HEAD-PIECE FOR SHUTTER HOUSING

Abstract

 The present invention relates to a head-piece for a shutter housing. The head-piece is incorporated in a shutter housing which is provided with a rolling shaft for rolling up the slats of the shutter and the accessories for operation thereof. The head-piece comprises a base plate which has a seat for inserting a rolling accessory for rolling up the shutter as well as means for entry of the shutter slats. The invention is characterized in that it achieves a more simplified design of the head-piece, reducing the number of parts incorporated therein, in this way ensuring easier assembly and maintenance of the shutter.

Description

Object of the Invention

[0001] The present invention relates to a head-piece for shutter housing. The head-piece is incorporated in a shutter housing which is provided with a rolling shaft for rolling up the shutter slats and the accessories for operation thereof.

[0002] The head-piece comprises a base plate which has a seat for inserting a rolling accessory for rolling up the shutter as well as means for entry of the shutter slats.

[0003] The invention is characterized in that it achieves a more simplified construction of the head-piece, reducing the number of parts incorporated therein, in this way ensuring easier assembly and maintenance of the shutter.

Background of the Invention

[0004] Head-pieces for a shutter consist of one part or a set of parts which are located in the lateral ends of the housing for rolling up the shutter in the upper portion thereof.

[0005] The head-piece usually comprises a base plate having a cavity in which a rolling accessory for rolling up the shutter is introduced. This accessory can be at one of the ends of the housing a wheel for rolling up the strap of the shutter, or a motor disc and a containment disc at the opposite end of the housing.

[0006] The head-pieces can have a prolongation corresponding with the exit point of the head-piece, which can be part of the same or can be an independent part, through which the slats enter and exit the head-piece during the shutter rolling and unrolling processes. This prolongation connects with the vertical side guides of the shutter.

[0007] In this rolling and unrolling operation, the slats of the shutters can become longitudinally misaligned. To avoid this, the head-pieces traditionally include a containment cover which is located between the rolling accessory for rolling up the shutter and the shutter, preventing the movement of the slats in the longitudinal direction.

[0008] However, these containment covers structurally complicate the head-piece, in addition to being an additional part which increases the cost of the product and the installation and maintenance thereof.

[0009] One way to solve this technical problem is shown in Utility Model application number U200700999, which discloses rolling shutter housing. The disclosed rolling shutter housing is characterized in that the wheel has an inner flange which is prolonged up to the maximum value allowed by the section of the housing such that said flange acts, in addition to as a means of retaining the strap, as a retaining stop against the tendency of the shutter slats to move longitudinally.

[0010] The present invention proposes an alternative solution in which the inner flange of the rolling accessory also acts as a means of containing the shutter slats against their longitudinal movement, preventing the use of the mentioned containment cover and further providing the head-piece with greater structural robustness.

Description of the Invention

[0011] The present invention relates to a head-piece for shutter housing of the type used as a lateral cover of the shutter housing.

[0012] The head-piece comprises a base plate which has a seat for inserting a rolling accessory for rolling up the shutter as well as means for entry of the shutter slats. The base plate usually comprises means which allow the attachment thereof to the longitudinal walls forming the shutter housing. The rolling accessory can in turn have coupled thereto a support for the rolling shaft for rolling up the shutter.

[0013] The invention is characterized in that the cavity of the base plate intended for the seat of the rolling accessory perimetrically comprises a ridge the inner wall of which contiguous to the rolling accessory forms an envelopment around the same. The ridge is furthermore hollow and open towards the portion of the housing in which the shutter slats are located and comprises ribs generally extending between the inner and outer walls thereof .

[0014] The fact that the ridge is hollow allows minimizing the structural problems that can be derived from a large weight. One option would be for the ridge to be hollow and open towards the rear portion of the head-piece. However, this solution has the drawback that it would then be necessary to use a decorative cover in the rear portion of the head-piece, whereby an additional part would again be added to it, which is what the present invention seeks to avoid.

Description of the Drawings

[0015] The present specification is complemented with several drawings which illustrate in a non-limiting manner the preferred embodiment of the invention.

Figure 1 is an exploded perspective view of an embodiment of the head-piece object of the invention for the case in which the rolling accessory corresponds with a wheel.

Figure 2 is a perspective view of the head-piece corresponding to Figure 1 with the wheel for rolling up the strap inserted in the cavity of the base plate.

Figure 3 is a plan view of the head-piece corresponding to Figure 2.

Figure 4 is an exploded perspective view of an embodiment of the head-piece object of the invention for the case in which the rolling accessory corresponds with a containment disc .

Figure 5 is an exploded perspective view of an embodiment of the head-piece object of the invention for the case in which the rolling accessory comprises a motor.

Figure 6 is a plan view of the embodiment corresponding to Figure 5, which shows a support plate of the motor.

Preferred Embodiment of the Invention

[0016] Figure 1 shows an embodiment of the head-piece object of the invention. Said head-piece comprises a base plate (1) having at least one cavity (1.1) for inserting a wheel (2) for rolling up the strap of the shutter. In Figure 4, the cavity (1.1) is intended for the insertion of the containment disc (4) of the opposite side of the housing and in Figure 5 it is intended for the insertion of the containment disc (6) of a motor for rolling it up.

[0017] The base plate (1) comprises a ridge (1.2) the inner wall of which (1.2.1) forms an envelopment around the wheel (2) or the containment disc (4, 6). As can be seen in the figures, the ridge (1.2) is hollow and open towards the side of the housing in which the shutter slats are located, i.e., towards the center of the housing. The ridge (1.2) comprises ribs (1.2.2) therein.

[0018] Both the wheel (2) and the containment disc (4, 6) also comprise an accessory (2.1, 4.1, 6.1) for receiving the rolling shaft for rolling up the shutter slats. The wheel (2) comprises respective flanges (2.2) between which the strap of the shutter is rolled and the containment disc (4, 6) a single inner flange (4.2, 6.2). The mentioned flanges (2.2, 4.2, 6.2) act as a containment for the shutter slats in their longitudinal movement.

[0019] The head-piece of the embodiment also comprises an additional guide part (3) for guiding the shutter slats both in the rolling and in the unrolling of the shutter, which is located in correspondence with the side sliding guides of the shutter. This additional guide part (3) could also be integrated in the base plate (1).

[0020] In order to achieve a smooth transition of the shutter slats towards the rolling shaft, both the guide (3) of the shutter slats and the inner flange (2.2) or the containment disc (4.2, 6.2) are located at a greater height than the ridge (1.2). There is also a distance between both elements (3, 2.2, 4.2, 6.2) that is smaller than the width of a slat.

[0021] The guide (3) additionally comprises a ridge (3.1) in the base of its opening for the proper alignment of the shutter slats before their entry into the base plate (1).

[0022] Additionally, the distance between contiguous ribs (1.2.2) of the ridge (1.2) is also less than the width of a slat to reinforce the fact that smooth transitions of the shutter slats are achieved in the event that the end of a shutter slat comes into contact with the ribs (1.2.2).

[0023] Figure 5 shows the fixing of a motor containment disc (6) to the base plate (1) by means of a support plate (5) comprising a hole (5.1) for insertion on a boss (1.3) of the base plate (1). Both the base plate (1) and the support plate (5) of the motor comprise means preventing the rotation of said support plate (5) with respect to the base plate (1). To that end, Figure 6 shows an embodiment in which the support plate (5) comprises respective end ridges (5.2) which can be inserted in respective recesses of the ridge (1.2) of the base plate (1).

Claims

1. A head-piece for shutter housing, comprising a base plate (1) and a rolling accessory (2, 4, 6) for rolling up the shutter, the base plate (1) having a cavity (1.1) for inserting the rolling accessory (2, 4, 6), characterized in that the base plate (1) perimetrically comprises a ridge (1.2) the inner wall (1.2.1) of which contiguous to the rolling accessory (2, 4, 6) forms an envelopment around the same, the ridge (1.2) being hollow and open towards the portion of the housing in which the shutter slats are located and comprising ribs (1.2.2) therein.

2. The head-piece for shutter housing according to claim 1, characterized in that the rolling accessory (2, 4, 6) comprises an inner flange (2.2) or a containment disc (4.2, 6.2) acting as a means of containing the shutter slats against their longitudinal movement.

3. The head-piece for shutter housing according to claim 2, characterized in that the distance between the ridge (1.2) and the inner flange (2.2) or the containment disc (4.2, 6.2) of the accessory (2, 4, 6) is less than the width of a slat.

4. The head-piece for shutter housing according to claim 2, characterized in that the base plate (1) comprises a guide (3) for the shutter slats for both rolling and unrolling.

5. The head-piece for shutter housing according to claim 4, characterized in that the inner flange (2.2) or the containment disc (4.2, 6.2) of the rolling accessory (2, 4, 6) and the guide (3) have a greater height in the assembly position than the ridge (1.2) of the base plate (1).

6. The head-piece for shutter housing according to claim 4, characterized in that the guide (3) comprises a ridge (3.1) in its opening for the proper alignment of the shutter slats.

7. The head-piece for shutter housing according to claim 1, characterized in that the distance between consecutive ribs (1.2.2) is less than the width of a slat.

8. The head-piece for shutter housing according to claim 1, characterized in that the ribs (1.2.2) extend between the inner and outer walls of the ridge (1.2).

9. The head-piece for shutter housing according to claim 1, characterized in that when the rolling accessory (6) comprises a motor, the fixing between the motor and the base plate (1) comprises a support plate (5) comprising a hole (5.1) for insertion on a boss (1.3) of the base plate (1) and means preventing the rotation of said support plate (5) with respect to the base plate (1).

10. The head-piece for shutter housing according to claim 9, characterized in that the means for preventing the rotation of the support plate (5) with respect to the base plate (1) comprise respective end ridges (5.2) which can be inserted in respective recesses of the ridge (1.2) of the base plate (1).

Drawing