Order selector for a double wing door

Abstract

 An order selector for a double wing door is disclosed. The order selector comprises: an elongated housing; a first ordering assembly disposed in the housing; a second ordering assembly disposed in the housing; a transmission mechanism connected between the first ordering assembly and the second ordering assembly; wherein the first ordering assembly comprises: a slider; a push piece; a sprocket wheel seat fixed in the housing; a sprocket wheel mounted on the sprocket wheel seat; a sprocket chain engaged on the sprocket wheel, with one end of the sprocket chain connected to the push piece and the other end connected to the transmission mechanism; the housing is provided with a slide rail, the slider is mounted and adapted to be slid on the slide rain.

Description

TECHNICAL FIELD

[0001] The present invention relates to fittings of a door, and in particular to an order selector for a double wing door.

BACKGROUND OF THE INVENTION

[0002] An order selector is a door fitting which enables the two door wings to be opened or closed in order. The transmission property will affect the smoothness of opening and closing door. In addition, it also belongs to a part that is frequently used, and the lifetime is an index of the quality of the order selector.

SUMMARY OF THE INVENTION

[0003] Having outlined the state of the prior art and its attendant shortages, it is an object of the present invention to provide an order selector for a double wing door which is labor-saving in transmission, and long in lifetime.

[0004] To achieve the above object, the present invention provides an order selector for a double wing door, comprising: an elongated housing; a first ordering assembly disposed in the housing; a second ordering assembly disposed in the housing; a transmission mechanism connected between the first ordering assembly and the second ordering assembly; wherein the first ordering assembly comprises: a slider; a push piece; a sprocket wheel seat fixed in the housing; a sprocket wheel mounted on the sprocket wheel seat; and a sprocket chain engaged on the sprocket wheel, with one end of the sprocket chain connected to the push piece and the other end connected to the transmission mechanism; wherein the housing is provided with a slide rail, the slider is mounted and adapted to be slid on the slide rain.

[0005] For the transmission mechanism of the sprocket chain and sprocket wheel structure is labor-saving and long in lifetime, the use of the sprocket chain and sprocket wheel structure in the order selector for a double wing door enables the door to be opened and closed more smoothly and durable in use.

[0006] Preferably, the second ordering assembly comprises: a reversing level having a reversing portion and a supporting portion that are formed into one piece; a reversing inserter and a reversing slider both provided at the joint between the reversing portion and the supporting portion of the reversing level; a supporting block for the reversing level provided at an end of the reversing level where the reversing portion is located;
a gasket set at the middle of the reversing portion of the reversing level; a reversing spring set between the gasket and the reversing inserter; a stop slider connected to an end of the reversing level where the supporting portion is located, and adapted to be slid on the slide rail; and a reverse pulling piece, with one end thereof connected to the transmission mechanism, and the other end thereof connected to the reversing slider.

[0007] Preferably, the sprocket wheel seat is a U-shaped structure, and provided with a sprocket wheel shaft on which the sprocket wheel is mounted.

[0008] Preferably, the second ordering assembly further comprises a damper spring between the gasket and the supporting block for the reversing level.

[0009] Preferably, the reversing portion has a section area larger than that of the supporting portion, and the connection between the reversing portion and the supporting portion is gradually tapered.

[0010] Preferably, the transmission mechanism is a connecting rod or a rope.

BRIEF DESCRIPTION OF THE DRAWINGS

[0011] 

Fig. 1 is a schematic view of the order selector for a double wing door of the present invention;

Fig. 2 (a) is a detailed view of the first ordering assembly;

Fig. 2 (b) is a side view of the first ordering assembly shown in Fig. 2 (a);

Fig. 3 (a) is a detailed view of the second ordering assembly;

Fig. 3 (b) is a side view of the second ordering assembly shown in Fig. 3 (a).

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0012] Many aspects of the invention can be better understood in the following embodiments with reference to the accompanying drawings.

[0013] The use of sprocket chain and sprocket wheel structure in the order selector for a double wing door enable the door to be opened and closed more smoothly and durable in use.

[0014] Referring to Fig. 1, an order selector for a double wing door is shown. The order selector comprises a housing 100, a first ordering assembly 200, a second ordering assembly 300 and a transmission mechanism 400 connected between the first ordering assembly 200 and the second ordering assembly 300. The housing 100 is an elongated housing having an elongated cavity 110 and has a slide rail 120 at both ends thereof. The first ordering assembly 200, the second ordering assembly 300 and the transmission mechanism 400 connected between the first ordering assembly 200 and the second ordering assembly 300 are disposed in the cavity 110.

[0015] Referring to Fig. 2 (a), a detailed view of the first ordering assembly illustrated in Fig. 1 is shown. Fig. 2 (b) is the side view of Fig. 2 (b). The first ordering assembly 200 comprises a slider 210, a push piece 220, a sprocket wheel seat 230, a sprocket wheel 240 and a sprocket chain 250. The sprocket wheel seat 230 is fixed to the housing 100 by a fastening screw 231, as shown in Fig. 2 (b), the sprocket wheel seat 230 is a U-shaped component and with a sprocket wheel shaft 260 mounted therein, the sprocket wheel 240 is rotatably mounted on the shaft 260. The sprocket chain 250 is engaged on the sprocket wheel 240, one end of the sprocket chain 250 is connected to the slider 210 via the push piece 220, the other end is connected to the transmission mechanism 400, and the joints thereof are both fixed by pins 221. The slider 210 is mounted and adapted to be slid on the slide rail 120 via a slide inserter 211.

[0016] Referring to Fig. 3 (a), a detailed view of a second ordering assembly illustrated in Fig. 1 is shown. The second ordering assembly 300 comprises a reverse pulling piece 310, a supporting block for the reversing level 320, a reversing level 330, a reversing inserter 340, a reversing slider 350, a stop slider 360 and a reversing spring 370. The reversing level 330 comprises a reversing portion and a supporting portion that are formed into one piece, a reversing inserter 340 and a reversing slider 350 are both provided at the joint between the reversing portion and the supporting portion of the reversing level. A supporting block 320 for the reversing level is provided at each of an end of the reversing level where the reversing portion is located and the supporting portion of the reversing level 330. A gasket 380 is set at the middle of the reversing portion of the reversing level, and a reversing spring 370 is set between the gasket 380 and the reversing inserter 340. A stop slider 360 is connected to an end of the reversing level 330 where the supporting portion is located and adapted to be slid on the slide rail 120; a reverse pulling piece 310 has one end thereof connected to the transmission mechanism 400, and the other end thereof connected to the reversing slider 350.

[0017] The supporting blocks 320 for the reversing level 330 are respectively fixed in the housing 100 at the positions of the reversing portion and the supporting portion of the reversing level 330, and used for supporting and guiding the reversing level 330.

[0018] The reversing slider 350 is sleeved near the joint between the reversing portion and supporting portion of the reversing level 330, and can be slid in the housing 100. The reversing inserter 340 is inserted in the reversing slider 350 and used for assisting in the reversing of the reversing level 330.

[0019] A damper spring 390 is further provided between the gasket 380 and the supporting block 320 at the reversing portion of the reversing level 330, so that a great impact to the door during opening and closing will not result in the failure of reversing function.

[0020] The stop slider 360 is provided with a through hole in the middle thereof. The section of the supporting portion of the reversing level 330 is specifically shaped such that its width on the A-A section is larger than the through hole of the stop slider 360 before rotating around the longitudinal axis, and smaller than the through hole after rotating around the longitudinal axis. Normally, the rotation angle does not exceed 90°, and preferably 45°.

[0021] The transmission mechanism is a connecting rod or a rope, or any other possible structure that can transfer a pulling force.

[0022] The working process of the order selector for a double wing door is as follows:

[0023] A first door wing and a second door wing are respectively controlled to open and close by connecting the door closer with the slider 210 and the stop slider 360 in the first ordering assembly 200 and the second ordering assembly 300. When the two door wings are both in close state, the width of the supporting portion on the A-A section of the reversing level 330 is smaller than the through hole of the stop slider 360 and located in the through hole, the reversing spring 370 is in compressed state, and for the supporting portion is in the through hole, it can not rotated around the axis. When the second door wing is opened, the door closer enables the stop slider 360 to be slid out of the supporting portion of the reversing level 330, the reversing spring 370 moves the reversing slider 350 and the reversing inserter 340 to enable the reversing level 330 to rotate around its central axis for a certain degree, such that its width on the A-A section is larger than the through hole of the stop slider 360, thus it can support the stop slider 360 to stop it from sliding towards the door closing direction and to allow the second door wing to be in the opening state.

[0024] The reversing spring 370 also forces the reverse pulling piece 310 to move towards the stop slider 360, which drives the transmission mechanism 400 and further the sprocket chain 250, and the sprocket wheel 240 pulls the other end of the sprocket chain 250 to allow the first door wing to be opened via the push piece 220. In this way, the first door wing can be easily opened by pushing, and the opening of the first door wing can further release the pressure of the reversing spring 370.

[0025] If the first door wing is always in the opening state, the supporting portion of the reversing level 300 will always support the stop slider 360 to realize that the second door wing can not be closed prior to the first door wing.

[0026] At this moment, if the first door wing is closed, then the first door wing will slide the slider 210 via the door closer and enable the push piece 220 to drive the sprocket chain 250, and after the transmission by the sprocket wheel 240, the sprocket chain 250 pulls the transmission mechanism 400 to move the reverse pulling piece 310 and further the reversing block 350 to compress the reversing spring 370, and by cooperating with the reversing inserter 340, to allow the reversing level to rotate around its central axis, the width of the supporting portion of the reversing level 330 on the A-A section is smaller than the through hoe of the stop slider 360, the supporting portion of the reversing level 330 is inserted into the through hole of the stop slider 360, then the stop slider 360 can be slid towards the reverse pulling piece 310, and thus the second door wing can be closed.

[0027] For the sprocket chain and sprocket wheel are labor-saving in transmission, and have longer lifetime comparing with other transmission structure, the use of the sprocket chain and the sprocket wheel in the order selector improves the use property and lifetime of the order selector.

[0028] It should be emphasized that the above-described embodiments of the present invention, particularly, any preferred embodiments, are merely possible examples of implementations, merely set forth for a clear understanding of the principles of the invention. Many variations and modifications may be made to the above-described embodiment(s) of the invention without departing substantially from the spirit and principles of the invention. All such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. An order selector for a double wing door, comprising:

an elongated housing;

a first ordering assembly disposed in the housing;

a second ordering assembly disposed in the housing; and

a transmission mechanism connected between the first ordering assembly and the second ordering assembly;

wherein the first ordering assembly comprises:

a slider;

a push piece;

a sprocket wheel seat fixed in the housing;

a sprocket wheel mounted on the sprocket wheel seat; and

a sprocket chain engaged on the sprocket wheel, with one end of the sprocket chain connected to the push piece and the other end connected to the transmission mechanism;

wherein the housing is provided with a slide rail, the slider is mounted and adapted to be slid on the slide rain.

2. The order selector for a double wing door of claim 1, wherein the second ordering assembly comprises:

a reversing level having a reversing portion and a supporting portion that are formed into one piece;

a reversing inserter and a reversing slider both provided at the joint between the reversing portion and the supporting portion of the reversing level;

a supporting block for the reversing level provided at an end of the reversing level where the reversing portion is located;

a gasket set at the middle of the reversing portion of the reversing level;

a reversing spring set between the gasket and the reversing inserter;

a stop slider connected to an end of the reversing level where the supporting portion is located, and adapted to be slid on the slide rail; and

a reverse pulling piece, with one end thereof connected to the transmission mechanism, and the other end thereof connected to the reversing slider.

3. The order selector for a double wing door of claim 1, wherein the sprocket wheel seat is a U-shaped structure, and provided with a sprocket wheel shaft on which the sprocket wheel is mounted.

4. The order selector for a double wing door of claim 2, wherein the second ordering assembly further comprises a damper spring between the gasket and the supporting block for the reversing level.

5. The order selector for a double wing door of claim 2, wherein the reversing portion has a section area larger than that of the supporting portion, and the connection between the reversing portion and the supporting portion is gradually tapered.

6. The order selector for a double wing door of claim 1 or 2, wherein the transmission mechanism is a connecting rod or a rope.

Drawing