(19)
(11) EP 4 397 904 A1

(12) EUROPEAN PATENT APPLICATION

(43) Date of publication:
10.07.2024 Bulletin 2024/28

(21) Application number: 23218491.1

(22) Date of filing: 20.12.2023
(51) International Patent Classification (IPC): 
F21V 21/02(2006.01)
F21S 8/04(2006.01)
F21Y 115/10(2016.01)
F21V 21/24(2006.01)
F21Y 105/10(2016.01)
(52) Cooperative Patent Classification (CPC):
F21V 21/02; F21V 21/24; F21Y 2115/10; F21Y 2105/10; F21S 8/043
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 03.01.2023 CN 202320009448 U

(71) Applicant: Leedarson Lighting Co., Ltd.
Zhangzhou, Fujian 363000 (CN)

(72) Inventors:
  • LIU, Youcai
    Zhangzhou City, Fujian Province, 363000 (CN)
  • ZHANG, Lei
    Zhangzhou City, Fujian Province, 363000 (CN)
  • WANG, Tingyan
    Zhangzhou City, Fujian Province, 363000 (CN)
  • LIN, Qingxin
    Zhangzhou City, Fujian Provincei, 363000 (CN)
  • WU, Siliang
    Zhangzhou City, Fujian Provincei, 363000 (CN)
  • SONG, Zhigang
    Zhangzhou City, Fujian Provincei, 363000 (CN)
  • DONG, Yongzhe
    Zhangzhou City, Fujian Provincei, 363000 (CN)

(74) Representative: Isarpatent 
Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31
80801 München
80801 München (DE)

   


(54) PANEL LAMP


(57) The disclosure provides a panel lamp, belonging to the technical field of lighting equipment. The panel lamp comprises a lamp body, a mounting bracket, a rotating connection unit and a clamping unit. When the panel lamp disclosed in the present application is installed, the mounting bracket is firstly fixed to a ceiling or a wall, then one end of the lamp body is rotatably connected to the mounting bracket by the rotating connection unit, and then the other end of the lamp body is clamped and fixed with the mounting bracket through the clamping unit by rotating the lamp body, thereby the installation of the entire panel lamp is completed. The lifting rope for installation is avoided in the present application, which makes the installation of the lamp quicker and more convenient, and greatly improves the installation efficiency.




Description

TECHNICAL FIELD



[0001] The disclosure belongs to the technical field of lighting equipment, and particularly relates to a panel lamp.

BACKGROUND



[0002] With the development of society, the problem of lighting energy consumption in daily life is becoming increasingly prominent. As one of the widely used indoor ceiling lamps, LED lamps have significant advantages of energy saving and long service life, and are more and more favored by people. LED panel lamps are one of the most commonly used indoor lamps in people's daily life. However, in the installation process of the panel lamp at present, it is usually necessary to install a lifting rope in advance, then the bottom end of the lifting rope is connected with the lamp body to realize the installation of the whole lamp. In related art, the installation operation of lamps is complex and the installation efficiency is low.

SUMMARY



[0003] The disclosure aims to provide a panel lamp and aims to solve the problem of complex installation operation and low installation efficiency caused by the use of a lifting rope for installation of panel lights in related art.

[0004] In order to achieve the object, the technical solution adopted by the disclosure is as follows. The disclosure provides a panel lamp, including:

a lamp body, where a top surface of the lamp body is provided with a mounting plane;

a mounting bracket, located on the lamp body and used for fixing the lamp body;

a rotating connection unit, arranged between a bottom surface of the mounting bracket and the top surface of the lamp body, and used for connecting rotatably the mounting bracket and the top surface of the lamp body; and

a clamping unit, arranged between the bottom surface of the mounting bracket and the top surface of the lamp body, and spaced apart from the rotating connection unit, and used for clamping and fixing the mounting bracket with the top surface of the lamp body.



[0005] In one embodiment of the disclosure, the rotating connection unit includes a first base arranged on the lamp body, a rotating hook body arranged on the first base, and a first connecting strip arranged at a first end of the mounting bracket; wherein the first connecting strip is provided with a first notch used for being hooked for connection with the rotating hook body.

[0006] In one embodiment of the disclosure, the rotating hook body and the first base are of a one-piece; the rotating hook body includes a plate body and a bending hook arranged at a top end of the plate body, and the bending hook is hooked for connection to the first notch.

[0007] In one embodiment of the disclosure, the clamping unit includes a second base arranged on the top surface of the lamp body, a clamping boss arranged on the second base, and two elastic clamping sheets arranged at a second end of the mounting bracket, wherein the two elastic clamping sheets are spaced apart from each other, and a clamping space is formed between the two elastic clamping sheets for accommodating and clamping the clamping boss.

[0008] In one embodiment of the disclosure, a shape of a cross-section of the clamping boss is circular, and an arc-shaped groove matching a shape of the clamping boss is formed between the two elastic clamping sheets.

[0009] In one embodiment of the disclosure, one end of each elastic clamping sheet is provided with a guide inclined plate, and an area having a large entrance portion and a small inside portion is formed between two guide inclined plates; inner walls of the two elastic clamping sheets and an outer side wall of the clamping boss are respectively provided with anti-slip textures that match each other.

[0010] In one embodiment of the disclosure, the first end of the mounting bracket is further provided with a transverse bracket, and a length direction of the transverse bracket is perpendicular to the mounting bracket; a number of the rotating connection units is plurality, and the plurality of the rotating connection units are all located between the transverse bracket and the top surface of the lamp body, and the plurality of the rotating connection units are arranged at intervals along the length direction of the transverse bracket.

[0011] In one embodiment of the disclosure, the rotating connection unit comprises two hinged bars arranged parallel to each other, wherein a first end of each hinged bar is hinged to the mounting bracket, a second end of each hinged bar is hinged to the lamp body; one hinged bar is located at a first end of the mounting bracket, and the other hinged bar is located at a second end of the mounting bracket.

[0012] In one embodiment of the disclosure, a number of the clamping units is two, and one clamping unit is located at the first end of the mounting bracket, and the other clamping unit is located at the second end of the mounting bracket.

[0013] In one embodiment of the disclosure, each clamping unit includes a third base arranged on the top surface of the lamp body, a second connecting strip arranged on the third base, and a clamping hook body arranged at one end of the mounting bracket; the second connecting strip is provided with a second notch used for being hooked for connection with the clamping hook body.

[0014] In one embodiment of the disclosure, two clamping hook bodies are respectively located at the two ends of the mounting bracket; two second connecting strips are arranged parallel to each other and are both located between the two clamping hook bodies, and each second connecting strip abuts against an inner side surface of a corresponding clamping hook body.

[0015] In one embodiment of the disclosure, the second end of each hinged bar is hinged on a corresponding third base, and a hinged point of each hinged bar is spaced apart from a corresponding second connecting strip.

[0016] In one embodiment of the disclosure, the mounting bracket is provided with at least one mounting through holes used for at least one fifth fasteners to pass through, and the at least one mounting through holes are arranged along a length direction of the mounting bracket.

[0017] In one embodiment of the disclosure, the top surface of the lamp body is provided with a baffle plate arranged around a periphery of the lamp body, and a top of the baffle plate is higher than the top surface of the lamp body.

[0018] The panel lamp provided by the disclosure has the beneficial effects that, compared with related art, a mounting bracket is provided above the lamp body, a rotating connection unit is provided between a bottom surface of the mounting bracket and the lamp body, a clamping unit is further provided between the bottom surface of the mounting bracket and the lamp body, and the clamping unit and the rotating connection unit are spaced apart from each other. When the panel lamp disclosed in the present application is installed, the mounting bracket is firstly fixed to a ceiling or a wall, then one end of the lamp body is rotatably connected to the mounting bracket by the rotating connection unit, then the other end of the lamp body is clamped and fixed with the mounting bracket through the clamping unit by rotating the lamp body, thereby the installation of the entire panel lamp is completed. The lifting rope for installation is avoided in the present application, which makes the installation of the lamp quicker and more convenient, and greatly improves the installation efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS



[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, a brief introduction will be made to the accompanying drawings used in the description of the embodiments or prior art. It is obvious that the drawings in the following description are only some embodiments of the disclosure, and that those skilled in the art can obtain other drawings from these drawings without involving any inventive effort.

Figure 1 is a schematic structural diagram of a panel lamp according to a first embodiment of the disclosure;

Figure 2 is a schematic structural diagram of a clamping unit according to a first embodiment of the disclosure;

Figure 3 is a schematic diagram of an enlarged structure at B in Figure 1;

Figure 4 is a schematic structural diagram of a panel lamp according to a second embodiment of the disclosure;

Figure 5 is a schematic structural diagram of a clamping unit according to a second embodiment of the disclosure; and

Figure 6 is a schematic diagram of an enlarged structure at A in Figure 4.



[0020] In the drawings: 1, lamp body; 2, mounting bracket; 3, transverse bracket; 4, rotating connection unit; 41, first base; 42, rotating hook body; 43, first connecting strip; 44, hinged bar; 5, clamping unit; 51, second base; 52, clamping boss; 53, elastic clamping sheet; 54, arc-shaped groove; 55, third base; 56, second connecting strip; 57, clamping hook body; 58, guide inclined plate; 6, mounting through hole; 7, baffle plate.

DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS



[0021] In order that the technical problems to be solved by the disclosure, technical solutions and beneficial effects can be more clearly understood, the disclosure will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to be limiting thereof.

[0022] The use of terms "first", "second", or "third", etc. in the present application is merely for distinguishing different objects or facilitating description, rather than for describing a specific sequence. For example, "a first fastener", "a second fastener", "a third fastener", "a fourth fastener", "a fifth fastener" are independently selected from any one or more of bolts, screws, rivets, etc. The number of the first fasteners may be one, two, or more and may be adjusted according to actual needs. The same is true for the second fastener, third fastener, fourth fastener and fifth fastener.

[0023] With reference to Figures 1 and 4 together, a panel lamp according to the disclosure will now be described. The panel lamp comprises a lamp body 1, a mounting bracket 2, a rotating connection unit 4 and a clamping unit 5. A top surface of the lamp body 1 is provided with a mounting plane. The mounting bracket 2 is located on the lamp body 1 and used for fixing the lamp body 1. The rotating connection unit 4 is arranged between a bottom surface of the mounting bracket 2 and the top surface of the lamp body 1, and used for connecting rotatably the mounting bracket 2 and the top surface of the lamp body 1. The clamping unit 5 is arranged between the bottom surface of the mounting bracket 2 and the top surface of the lamp body 1 and spaced apart from the rotating connection unit 4, and used for clamping and fixing the mounting bracket 2 with the top surface of the lamp body 1.

[0024] Compared with the related art, the panel lamp of the present embodiment has the advantages that a mounting bracket 2 is provided above the lamp body 1, a rotating connection unit 4 is provided between a bottom surface of the mounting bracket 2 and the lamp body 1, a clamping unit 5 is further provided between the bottom surface of the mounting bracket 2 and the lamp body 1, and the clamping unit 5 and the rotating connection unit 4 are spaced apart from each other. When the panel lamp disclosed in the present application is installed, the mounting bracket 2 is firstly fixed to a ceiling or a wall, then one end of the lamp body 1 is rotatably connected to the mounting bracket 2 by the rotating connection unit 4, then the other end of the lamp body 1 is clamped and fixed with the mounting bracket 2 through the clamping unit 5 by rotating the lamp body 1, thereby the installation of the entire panel lamp is completed. The lifting rope for installation is avoided in the present application, which makes the installation of the lamp quicker and more convenient, and greatly improves the installation efficiency.

[0025] It should be noted that the mounting bracket 2 is generally a strip-shaped plate made by stamping a metal plate. In order to keep the installation of the panel lamp balanced, the mounting bracket 2 is generally arranged at the middle part of the lamp body 1.

[0026] In some possible implementations, as shown in Figures 1 and 3, the rotating connection unit 4 comprises a first base 41 arranged on the lamp body 1, a rotating hook body 42 arranged on the first base 41, and a first connecting strip 43 arranged at a first end of the mounting bracket 2. The first connecting strip 43 is provided with a first notch used for being hooked for connection with the rotating hook body 42. The rotating hook body 42 extends in a direction away from the first base 41 as a whole, and may be perpendicular to the first base 41. When the lamp body 1 is connected to the mounting bracket 2 via the rotating connection unit 4, the rotating hook body 42 can be hooked to the first notch located at the first connecting strip 43, so that the lamp body 1 can be fixed to the mounting bracket 2, and the lamp body 1 can be ensured to rotate within a certain angle range. The installation of the lamp body 1 with the mounting bracket 2 is easier and more convenient.

[0027] In one embodiment, the rotating hook body 42 and the first base 41 are an integrally formed structure that is made by bending a metal plate. The rotating hook body 42 mainly includes a plate body and a bending hook arranged at a top end of the plate body, and the bending hook is hooked for connection to the first notch. Where, the first base 41 may be pre-mounted on the top surface of the lamp body 1 through a third fastener or by welding.

[0028] In order to make the installation of the lamp body 1 more stable and secure, as shown in Figures 1 and 3, the top surface of the lamp body 1 is provided with a baffle plate 7 arranged around a periphery of the lamp body 1, and a top of the baffle plate 7 is higher than the top surface of the lamp body 1. The baffle plate 7 may cover the gap between the lamp body 1 and the wall surface after the lamp body 1 is installed. In addition, after the first base 41 and the rotating hook body 42 are installed, the main body of the rotating hook body 42 can be closely attached to the baffle plate 7. The bottom end of the first connecting strip 43 is further provided with a bending portion that bends in the direction toward the outside of the lamp body 1. After the rotating hook body 42 is hooked to the first notch of the first connecting strip 43, the angle between the first connecting strip 43 and the baffle plate 7 may be changed by rotating the lamp body 1, and finally the end of the bending portion can abut against the inner side wall of the baffle plate 7. This can prevent the panel lamp as a whole from shaking after the other end of the mounting bracket 2 is fixed by the clamping unit 5.

[0029] In an embodiment of the panel lamp provided by the disclosure, the first connecting strip 43 and the mounting bracket 2 are an integrally formed structure made by punching and bending a metal plate, so that the installation of a whole lamp is more solid and reliable.

[0030] As shown in Figures 1 and 2, on the basis of above-mentioned features of the rotating connection unit 4, the clamping unit 5 comprises a second base 51 arranged on the top surface of the lamp body 1, a clamping boss 52 arranged on the second base 51, and two elastic clamping sheets 53 arranged at a second end of the mounting bracket 2. The two elastic clamping sheets 53 are spaced apart from each other, and a clamping space is formed between the two elastic clamping sheets 53 for accommodating and clamping the clamping boss 52. After the rotating hook body 42 is hooked to the first connecting strip 43, the clamping boss 52 can be inserted into the clamping space between the two elastic clamping sheets 53 by rotating the lamp body 1. The clamping boss 52 is clamped by the elasticity of the two elastic clamping sheets 53, so as to achieve the connection and fixation between the lamp body 1 and the other end of the mounting bracket 2, thereby enabling the lamp body 1 to be clamped more conveniently and securely.

[0031] As shown in Figure 2, in order to make the use of the clamping unit 5 more convenient, one end of each elastic clamping sheet 53 is provided with a guide inclined plate 58 that is formed by bending one end of each elastic clamping sheet 53 outward. An area having a large entrance portion and a small inside portion is formed between two guide inclined plates 58, facilitating the insertion of the clamping boss 52 between the two elastic clamping sheets 53. Inner walls of the two elastic clamping sheets 53 and an outer side wall of the clamping boss 52 are respectively provided with anti-slip textures that match each other or the corresponding clamping protrusion and clamping groove, so that the clamping between the clamping boss 52 and the two elastic clamping sheets 53 is more firm.

[0032] Each elastic clamping sheet 53 and the mounting bracket 2 are an integrally formed structure. In the manufacturing process of the mounting bracket 2, two fin plates are reserved at the second end of the mounting bracket 2, then the fin plates are stamped and bent to prepare the integrally formed structure, so that the strength of the integrally formed structure is higher.

[0033] As shown in Figure 2, in one embodiment, a shape of a cross-section of the clamping boss 52 is circular, and an arc-shaped groove 54 matching a shape of the clamping boss 52 is formed between the two elastic clamping sheets 53. Specifically, the shape of the clamping boss 52 is cylindrical, so that the elastic clamping sheets 53 can slide along the circumference direction of the clamping boss 52 more conveniently. Meanwhile, an arc-shaped groove 54 matching the shape of the clamping boss 52 is formed between the two elastic clamping sheets 53, so that after the clamping boss 52 enters between the two elastic clamping sheets 53, a side of the clamping boss 52 can slide into the arc-shaped groove 54, making the fixing of the clamping boss 52 more firm.

[0034] As shown in Figure 1, the first end of the mounting bracket 2 is further provided with a transverse bracket 3, and a length direction of the transverse bracket 3 is perpendicular to the mounting bracket 2; a number of the rotating connection units 4 is plurality, and the plurality of the rotating connection units 4 are all located between the transverse bracket 3 and the top surface of the lamp body 1, and the plurality of the rotating connection units 4 are arranged at intervals along the length direction of the transverse bracket 3. The first end of the mounting bracket 2 is perpendicular and connected to the middle part in the length direction of the transverse bracket 3. The arrangement of the transverse bracket 3 increases the width size of the first end of the mounting bracket 2, ensures the lightness of the mounting bracket 2, provides more mounting spaces and positions for the mounting of a plurality of rotating connection units 4, and enhances the stability of the mounting bracket 2, so that the connection between the first end of the mounting bracket 2 and the lamp body 1 is more firm.

[0035] In another embodiment of rotating connection unit 4, as shown in Figures 4 and 6, the rotating connection unit 4 comprises two hinged bars 44 arranged parallel to each other, wherein a first end of each hinged bar 44 is hinged to the mounting bracket 2, and a second end of each hinged bar 44 is hinged to the lamp body 1. The two hinged bars 44 are respectively located at two ends of the mounting bracket 2, that is, one hinged bar 44 is located at a first end of the mounting bracket 2, and the other hinged bar 44 is located at a second end of the mounting bracket 2. When the lamp body 1 is mounted, the second ends of the two hinged bars 44 may first be hinged to the top surface of the lamp body 1, then the first ends of the two hinged bars 44 are hinged to the mounting bracket 2, so that a pre-connection is formed between the mounting bracket 2 and the lamp body 1. Then the lamp body 1 is lifted upwards, and the lamp body 1 and the mounting bracket 2 are fixed by the clamping unit 5. In order to ensure the balance of the lamp body 1 after installation, the clamping unit 5 should be located at the centerline of the lamp body 1. After the lamp body 1 is mounted, the two hinged bars 44 are folded and accommodated in the gap between the mounting bracket 2 and the top surface of the lamp body 1. The use of the hinged bars 44 makes the assembly of the lamp more convenient and more efficient.

[0036] In one embodiment, the two hinged bars 44 have the same connection relationship and are symmetrical in position. Now, one of the two hinged bars 44 is taken as an example for description below. The first end of the hinged bar 44 is hinged with the mounting bracket 2 through a first fastener, and the second end is hinged with the top surface of the lamp body 1 through a second fastener. The mounting bracket 2 is provided with a first hinged support plate, and the top surface of the lamp body 1 is provided with a second hinged support plate. The first fastener penetrates the first end of the hinged bar 44 and the first hinged support plate to realize the hinging of the first end of the hinged bar 44 to the mounting bracket 2, and the second fastener penetrates the second end of the hinged bar 44 and the second hinged support plate to realize the hinging of the second end of the hinged bar 44 to the top surface of the lamp body 1. The hinged shafts at the two ends of the hinged bar 44 are parallel to the length direction of the mounting bracket 2.

[0037] As shown in Figure 4, a number of the clamping units 5 is two. The two clamping units 5 are respectively positioned at the two ends of the mounting bracket 2, that is, one clamping unit 5 is located at the first end of the mounting bracket 2, and the other clamping unit 5 is located at the second end of the mounting bracket 2. The position of one clamping unit 5 corresponds to and the position of one hinged bar 44. One clamping unit 5 matches with one hinged bar 44, and the other clamping unit 5 matches with the other hinged bar 44. The two clamping units 5 are both located on a central line of the lamp body 1, so that the lamp body 1 can be more stable during mounting. The number of the clamping units 5 is two, so that the lamp body 1 is fixed more securely.

[0038] On the basis of the above-mentioned features of rotating connection unit 4, as shown in Figures 4 to 6, each clamping unit 5 comprises a third base 55 arranged on the top surface of the lamp body 1, a second connecting strip 56 arranged on the third base 55, and a clamping hook body 57 arranged at one end of the mounting bracket 2. The second connecting strip 56 is provided with a second notch used for being hooked for connection with the clamping hook body 57. Specifically, the second connecting strip 56 and the clamping hook body 57 are arranged parallel to each other, and an end portion of the clamping hook body 57 is bent in a direction close to the second connecting strip 56. When the second connecting strip 56 and the clamping hook body 57 are close to each other, the end portion of the clamping hook body 57 extends into the second notch, thereby realizing the clamping fixation of the clamping hook body 57 and the second connecting strip 56. The use of the clamping unit 5 is more convenient.

[0039] In one embodiment, as shown in Figure 4, two clamping hook bodies 57 are respectively located at the two ends of the mounting bracket 2; two second connecting strips 56 are arranged parallel to each other and are both located between the two clamping hook bodies 57, and each second connecting strip 56 abuts against an inner side surface of a corresponding clamping hook body 57. The second connecting strip 56 and the third base 55 are integrally formed by bending. The third base 55 is fixed on the top surface of the lamp body 1 by a fourth fastener, so that the fixing strength of the second connecting strip 56 is better. Furthermore, a top end of the second connecting strip 56 is provided with a bent guiding portion that extends towards the clamping hook body 57 (extending towards the mounting bracket 2, which can facilitate the interleaving of the clamping hook body 57 and the second connecting strip 56, making it more convenient for the end portion of the clamping hook body 57 to slide into the second notch along the second connecting strip 56.

[0040] As shown in Figure 5, to facilitate the installation of the hinged bars 44, the second end of each hinged bar 44 is hinged on a corresponding third base 55. The hinged part of the second end of t each hinged bar 44 and the third base 55 is a hinged point, and the hinged point of each hinged bar 44 is spaced apart from a corresponding second connecting strip 56. Specifically, the third base 55 is provided with a second hinged support plate, and a second fastener passes through the second hinged support plate and the second end of the hinged bar 44. The connection of the hinged bar 44 can be achieved after the third base 55 is mounted and fixed, thereby improving the mounting efficiency.

[0041] As shown in Figures 4 and 6, in order to make the installation of the lamp body 1 more stable and firm, the top surface of the lamp body 1 is provided with a baffle plate 7 arranged around a periphery of the lamp body 1, and a top of the baffle plate 7 is higher than the top surface of the lamp body 1. The baffle plate 7 may cover the gap between the lamp body 1 and the wall surface after the lamp body 1 is installed. Furthermore, a top end of the second connecting strip 56 is provided with a bent guiding portion that extends towards the clamping hook body 57, and the bottom end of the clamping hook body 57 is bent in a direction towards the second connecting strip 56. After the bottom end of the clamping hook body 57 slides into the second notch along the second connecting strip 56, the outer side surface of the clamping hook body 57 can finally abut against the inner side wall of the baffle plate 7, so that shaking is avoided, and the stability of overall lamp is enhanced.

[0042] In some possible implementations, as shown in Figures 1 and 4, the mounting bracket 2 is provided with at least one mounting through holes 6 used for at least one fifth fasteners to pass through, and the at least one mounting through holes 6 are arranged along a length direction of the mounting bracket 2. Specifically, when the mounting bracket 2 is mounted on a ceiling or a wall, a fifth fastener may be used to penetrate the mounting through hole 6, so that the mounting bracket 2 is fixed more firmly. The number of the fifth fasteners coincides with the mounting through holes 6.

[0043] The foregoing is only preferred embodiments of the disclosure and is not intended to limit the disclosure.


Claims

1. A panel lamp, characterized by comprising:

a lamp body (1), wherein a top surface of the lamp body (1) is provided with a mounting plane;

a mounting bracket (2), located on the lamp body (1) and used for fixing the lamp body (1);

a rotating connection unit (4), arranged between a bottom surface of the mounting bracket (2) and the top surface of the lamp body (1), and used for connecting rotatably the mounting bracket (2) and the top surface of the lamp body (1); and

a clamping unit (5), arranged between the bottom surface of the mounting bracket (2) and the top surface of the lamp body (1), and spaced apart from the rotating connection unit (4), and used for clamping and fixing the mounting bracket (2) with the top surface of the lamp body (1).


 
2. The panel lamp of claim 1, wherein the rotating connection unit (4) comprises a first base (41) arranged on the lamp body (1), a rotating hook body (42) arranged on the first base (41), and a first connecting strip (43) arranged at a first end of the mounting bracket (2); wherein the first connecting strip (43) is provided with a first notch used for being hooked for connection with the rotating hook body (42).
 
3. The panel lamp of claim 2, wherein the rotating hook body (42) and the first base (41) are of a one-piece; the rotating hook body (42) comprises a plate body and a bending hook arranged at a top end of the plate body, and the bending hook is hooked for connection to the first notch.
 
4. The panel lamp of claim 2, wherein the clamping unit (5) comprises a second base (51) arranged on the top surface of the lamp body (1), a clamping boss (52) arranged on the second base (51), and two elastic clamping sheets (53) arranged at a second end of the mounting bracket (2), wherein the two elastic clamping sheets (53) are spaced apart from each other, and a clamping space is formed between the two elastic clamping sheets (53) for accommodating and clamping the clamping boss (52).
 
5. The panel lamp of claim 4, wherein a shape of a cross-section of the clamping boss (52) is circular, and an arc-shaped groove (54) matching a shape of the clamping boss (52) is formed between the two elastic clamping sheets (53).
 
6. The panel lamp of claim 4, wherein one end of each elastic clamping sheet (53) is provided with a guide inclined plate (58), and an area having a large entrance portion and a small inside portion is formed between two guide inclined plates (58); inner walls of the two elastic clamping sheets (53) and an outer side wall of the clamping boss (52) are respectively provided with anti-slip textures that match each other.
 
7. The panel lamp of claim 2 or 3, wherein the first end of the mounting bracket (2) is further provided with a transverse bracket (3), and a length direction of the transverse bracket (3) is perpendicular to the mounting bracket (2); a number of the rotating connection units (4) is plurality, and the plurality of the rotating connection units (4) are all located between the transverse bracket (3) and the top surface of the lamp body (1), and the plurality of the rotating connection units (4) are arranged at intervals along the length direction of the transverse bracket (3).
 
8. The panel lamp of claim 1, wherein the rotating connection unit (4) comprises two hinged bars (44) arranged parallel to each other, wherein a first end of each hinged bar (44) is hinged to the mounting bracket (2), and a second end of each hinged bar (44) is hinged to the lamp body (1); one hinged bar (44) is located at a first end of the mounting bracket (2), and the other hinged bar (44) is located at a second end of the mounting bracket (2).
 
9. The panel lamp of claim 8, wherein a number of the clamping units (5) is two, and one clamping unit (5) is located at the first end of the mounting bracket (2), and the other clamping unit (5) is located at the second end of the mounting bracket (2).
 
10. The panel lamp of claim 9, wherein each clamping unit (5) comprises a third base (55) arranged on the top surface of the lamp body (1), a second connecting strip (56) arranged on the third base (55), and a clamping hook body (57) arranged at one end of the mounting bracket (2), wherein the second connecting strip (56) is provided with a second notch used for being hooked for connection with the clamping hook body (57).
 
11. The panel lamp of claim 10, wherein two clamping hook bodies (57) are respectively located at the two ends of the mounting bracket (2); two second connecting strips (56) are arranged parallel to each other and are both located between the two clamping hook bodies (57), and each second connecting strip (56) abuts against an inner side surface of a corresponding clamping hook body (57).
 
12. The panel lamp of claim 10, wherein the second end of each hinged bar (44) is hinged on a corresponding third base (55), and a hinged point of each hinged bar (44) is spaced apart from a corresponding second connecting strip (56).
 
13. The panel lamp of claim 1, wherein the mounting bracket (2) is provided with at least one mounting through holes (6) used for at least one fifth fasteners to pass through, and the at least one mounting through holes (6) are arranged along a length direction of the mounting bracket (2).
 
14. The panel lamp of claim 1, wherein the top surface of the lamp body (1) is provided with a baffle plate (7) arranged around a periphery of the lamp body (1), and a top of the baffle plate (7) is higher than the top surface of the lamp body (1).
 




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