Blind window lifting brake seat

Abstract

The utility model relates to the technical field of shutters, in particular to a shutter lifting brake seat, which comprises a fixed seat, a lockset shell is arranged in the fixed seat, a lockset swing piece is arranged in the lockset shell, and the shutter lifting brake seat is characterized in that the lockset swing piece is connected with the lockset shell through rivets and comprises two supporting plates, and the two supporting plates are connected with the lockset shell through rivets. The outer sides of the supporting plates are tangent to the inner side of the lock shell, and a pulley and a plurality of guide shafts are arranged between the two supporting plates. The sliding wheel lock has the advantages that only one sliding wheel is needed, more cost is saved, meanwhile, friction between the sliding wheel and the lock swing piece and the lock shell is reduced when the sliding wheel rotates, loss of corresponding parts is reduced accordingly, and the failure rate is reduced; the single pulley design reduces the contact between the lifting rope and the pulley, reduces the loss caused by friction, and enables the product to be more durable.

Description

Technical Field

[0001] The utility model relates to the technical field of blinds, in particular to a lifting brake seat for blinds. Background Art

[0002] The blind is installed on the window and is generally used for sunshading and ventilation indoors and outdoors. Different from the soft texture of the curtain, the blind blades are generally made of materials such as wood, plastic, and aluminum alloy. Therefore, they can resist the erosion of sunlight, wind, rain, and dust, and are easy to clean. The main background is to prevent children or pets from being hanged by the external lifting rope. Therefore, the lifting rope is changed to be automatically retracted and released through a spring box, so that children or pets cannot touch the lifting rope, thus playing a role in protecting the safety of children. This brake seat is to cooperate with the spring box to better play the role of automatically retracting and releasing the lifting rope and being able to stay at any position, and not causing the blind to rebound or fall due to the self-weight of the blind.

[0003] In the prior art, the traction design of the lifting rope of the blind is between two and three pulleys. This increases the friction between the pulley rotation and the lock pendulum and the lock housing, increases the component loss, and the failure rate also increases accordingly, reducing the service life of the product. Therefore, it is necessary to provide a brake seat that can make the lifting operation of the blind blades more convenient. At the same time, in the prior art, the pulley position is fixed and cannot swing, and the lifting rope may be completely locked during braking, thus affecting the use experience of the blind. The prior art achieves the purpose of balancing the self-weight of the blind by increasing the spring tension, but this results in the need for several times the self-weight of the blind to close the blind, making the window closing operation not smooth. Moreover, it increases the risk of the blind installation code being pulled off. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing number of pulleys is relatively large, resulting in too high cost and increasing the friction between the pulley and various components, affecting the service life of the product.

[0005] To solve the above technical problem, the technical solution provided by the utility model is: a lifting brake seat for blinds, including a fixed seat. A lock housing is arranged inside the fixed seat, and a lock pendulum is arranged inside the lock housing. It is characterized in that the lock pendulum is connected to the lock housing by a rivet. The lock pendulum includes two support plates, the outer sides of the support plates are tangent to the inner side of the lock housing, and a pulley and a plurality of guide shafts are arranged between the two support plates.

[0006] As an improvement, a plurality of clamping blocks are arranged on the fixed seat, and clamping grooves matching the clamping blocks are arranged on the lock housing.

[0007] As an improvement, at least four rectangular blocks are further arranged inside the fixed seat, and rectangular grooves are arranged on the opposite inner sides of the rectangular blocks. A convex block matching the rectangular groove is arranged on the outer side of the lock housing, and the convex block is arranged in the rectangular groove.

[0008] As an improvement, a limiting groove is provided inside the support plate, the guide shaft is arranged in the limiting groove, and the pulley and the guide shaft are sequentially arranged in the lock fixture pendulum from high to low.

[0009] As an improvement, a second guide shaft is provided at one end of the lock fixture housing.

[0010] The advantages of the present utility model compared with the existing technology are as follows:

[0011] First, this application only requires one pulley, which saves more cost. At the same time, it reduces the friction brought by the rotation of the pulley with the lock fixture pendulum and the lock fixture housing, and the wear of the corresponding components is also reduced accordingly, reducing the failure rate.

[0012] Second, the single-pulley design reduces the contact between the lifting rope and the pulley, reduces the loss caused by friction, and makes the product more durable.

[0013] Third, due to the excellent single-pulley design, since unnecessary friction is reduced in the core components, when the product is in use, pulling the roller blind up and down has a lighter and smoother feel. Moreover, while reducing the friction force, the core components also reduce the noise caused by the friction force, making the product more advanced during practical use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural view of a roller blind lifting brake seat of the present utility model.

[0015] Figure 2 is an exploded schematic view of a roller blind lifting brake seat of the present utility model.

[0016] Figure 3 is a schematic structural view of the lock fixture housing of the present utility model.

[0017] Figure 4 is an internal schematic view of the lock fixture housing of the present utility model.

[0018] As shown in the figure: 1, fixed seat; 2, lock fixture pendulum; 3, pulley; 4, guide shaft; 5, rivet; 6, lock fixture housing; 101, clamping block; 102, rectangular block; 103, rectangular groove; 201, support plate; 202, limiting groove; groove; 401, second guide shaft; 601, clamping groove; 602, connection hole; 603, convex block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] The problems of the prior art are fully interpreted in the technical background of this application, and there are no problems of generalization or overarching nature. The problems to be solved by this application are specifically described in the following utility model content and specific implementation manners, clarifying the technical problems to be solved by the technical solution, and determining that the technical solution of this application has beneficial effects compared with the objective prior art.

[0021] Please refer to Figures 1 - 4 , an embodiment provided by the present utility model:

[0022] A shutter lifting brake seat, including a fixed seat 1, a lock housing 6 is provided inside the fixed seat 1, and a lock swing piece 2 is provided inside the lock housing 6. It is characterized in that the lock swing piece 2 is connected to the lock housing 6 by a rivet 5. The lock swing piece 2 includes two support plates 201, the outer sides of the support plates 201 are tangent to the inner side of the lock housing 6, a pulley 3 and a plurality of guide shafts 4 are provided between the two support plates 201, and a second guide shaft 401 is provided at one end of the lock housing 6.

[0023] Combined with the attached Figure 2 , a plurality of blocks 101 are provided on the fixed seat 1, and a card slot matching the block 101 is provided on the lock housing 6, which is convenient for the fixed seat 1 to fix the lock housing 6 and improves the installation portability;

[0024] Combined with the attached Figure 2 , at least four rectangular blocks 102 are further provided inside the fixed seat 1, and rectangular grooves 103 are provided on the opposite inner sides of the rectangular blocks 102. A convex block 603 matching the rectangular groove 103 is provided on the outer side of the lock housing 6, and the convex block 603 is arranged in the rectangular groove 103, further increasing the connection relationship between the lock housing 6 and the fixed seat 1;

[0025] Combined with the attached Figure 4 , a limit groove 202 is provided on the inner side of the support plate 201, the guide shaft 4 is arranged in the limit groove 202, and the pulley and the guide shaft 4 are arranged in the lock swing piece 2 from high to low in sequence, so that the position of the pulley 3 can be set at the highest point to achieve the force on the pulley 3;

[0026] In the actual use process of the above structure, first, the lifting line is successively wound around the lower end of the second guiding shaft 401, the top end of the pulley 3, and the upper ends of a plurality of guiding shafts 4. The pulley 3 is stressed. The design of the present application only requires one pulley, while the existing solutions are designed with two to three pulleys. In comparison, the structure of the present application is more cost-saving;

[0027] At the same time, the design of one pulley reduces the friction brought by the rotation of the pulley with the lock pendulum and the lock housing, reduces the contact between the pulling rope and the pulley, and reduces the loss caused by friction, making the product more durable; Since unnecessary friction is reduced in the core components, when the product is in use, pulling the venetian blind up and down has a lighter and smoother feel. Moreover, while reducing the friction force, the core components also reduce the noise caused by the friction force, making the product more high-class during practical use;

[0028] This brake seat changes the threading angle of the lifting rope through the swing of the swing part, reduces the friction force during the retraction process of the venetian blind, and makes it smoother and more labor-saving to open the curtain; increases the friction force during the falling process, avoids the curtain from rebounding during the closing process of the curtain, and achieves the effect of being able to stay at any position. At the same time, the ingenious design of the positioning point of this brake seat also makes the pulling force required to close the window appropriate and the operation smooth.

[0029] After considering the specification and the application disclosed herein in practice, those skilled in the art will easily think of other implementation schemes of the present application. The present application aims to cover any variations, uses, or adaptive changes of the present application, and these variations, uses, or adaptive changes follow the general principles of the present application and include the common general knowledge or conventional technical means in the technical field not disclosed in the present application. The specification and the embodiments are only regarded as exemplary, and the true scope of the present application is pointed out by the claims.

[0030] It should be understood that the present application is not limited to the precise structure already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the protection scope of the present application.

Claims

1. A louver lifting brake seat, comprising a fixed seat (1), a lock housing (6) is arranged inside the fixed seat (1), and a lock ornament (2) is arranged inside the lock housing (6), characterized in that, The lock ornament (2) is connected to the lock housing (6) by rivets (5). The lock ornament (2) includes two support plates (201), the outer sides of the support plates (201) are tangent to the inner side of the lock housing (6), and a pulley (3) and a plurality of guide shafts (4) are arranged between the two support plates (201).

2. The lifting brake seat of a louver according to claim 1, characterized in that: A plurality of clamping blocks (101) are arranged on the fixed seat (1), and clamping grooves matching the clamping blocks (101) are arranged on the lock housing (6).

3. The lifting brake seat of a louver according to claim 1, characterized in that: At least four rectangular blocks (102) are further arranged inside the fixed seat (1), and rectangular grooves (103) are arranged on the opposite inner sides of the rectangular blocks (102). A convex block matching the rectangular groove (103) is arranged on the outer side of the lock housing (6), and the convex block is arranged in the rectangular groove (103).

4. A louver lifting brake seat according to claim 1, characterized in that: A limiting groove (202) is arranged on the inner side of the support plate (201), the guide shaft (4) is arranged in the limiting groove (202), and the pulley (3) and the guide shaft (4) are arranged in the lock ornament (2) from high to low in sequence.

5. A louver lifting brake seat according to claim 1, characterized in that: A guide shaft two (401) is arranged at one end of the lock housing (6).

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