Sliding door and window pulley structure

By designing a sliding door and window pulley structure including a U-shaped pulley base, connecting rod and pulley set, the problems of poor stability and side friction of existing pulley components are solved, and a more stable and smooth push and pull effect of door and window are achieved.

CN222667971UActive Publication Date: 2025-03-25FOSHAN SHULIULIU HARDWARE PRODUCTS CO LTD
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Patent Information

Application Number
CN202421695376.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-03-25
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

The existing pulley assembly has poor stability, is prone to derailment, and is insufficient load-bearing. The double pulleys will experience side friction when used, affecting the smoothness of doors and windows.

Method used

A sliding door and window pulley structure is designed, including a horizontal U-shaped pulley base, a base connecting rod, a pulley support, a support connecting rod and a pulley set. By setting up reinforcement plates, bolt press plates and adjusting waist holes, ensure a stable connection between pulley support and top press bolts, adjust the tilt of pulley support, and eliminate assembly errors.

Benefits of technology

It effectively improves the stability and load-bearing capacity of the pulley assembly, reduces side friction, and ensures smooth and stable push and pulling of doors and windows.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sliding door and window pulley structure, which relates to the technical field of door and window accessories, and comprises a pulley base, the pulley base is of a horizontal U-shaped structure, a plurality of pulley connecting rods are fixedly connected between two vertical plates of the pulley base, the pulley connecting rods are connected with a pulley support, and the pulley support is connected with the pulley base. A plurality of support connecting rods are fixedly connected to the pulley support, pulley blocks are connected to the support connecting rods, every two pulley blocks are arranged side by side in the width direction of the pulley base, and a plurality of pulley blocks are arranged in the length direction of the pulley base; a side top seat is fixedly arranged on one side of the pulley base, a jacking bolt is in threaded connection with the side top seat, and the jacking bolt is in threaded connection with the side wall of the pulley support; the width of the pulley bracket is less than half of the length of the support connecting rod, so that the pulley block can be adjusted in position along the direction of the support connecting rod, the assembly error of the door and window assembly structure can be effectively eliminated, and the sliding stability of the door and window is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of door and window accessories, in particular to a sliding door and window pulley structure. Background Art

[0002] The pulley is a commonly used hardware accessory, which is generally installed on the top or bottom of doors and windows. The pulley slides on the track to make the pushing and pulling process more labor-saving. Its application is very common, and is generally used in furniture such as doors and windows, wardrobes, and cabinets; but the existing pulley assemblies are all single-row structures, which have poor stability, are easy to derail, and have insufficient bearing capacity. If double-row pulleys are used, the side parts of the pulley assembly will often contact and rub against the inner wall of the slide groove, affecting the smoothness of the door and window pushing and pulling, and the application of double-row pulleys requires a higher precision in the straightness of the slide groove. Utility Model Content

[0003] The utility model aims to provide a sliding door and window pulley structure to solve the above technical problems.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A sliding door and window pulley structure comprises a pulley base, the pulley base is a horizontal U-shaped structure, a plurality of base connecting rods are fixedly connected between two vertical plates of the pulley base, a pulley support is connected to the base connecting rod, a plurality of support connecting rods are fixedly connected to the pulley support, a pulley block is connected to the support connecting rod, the pulley blocks are arranged in a group of two side by side along the width direction of the pulley base, and a plurality of groups are arranged along the length direction of the pulley base; a side top seat is fixedly provided on one side of the pulley base, a top pressure bolt is threadedly connected to the side top seat, and the top pressure bolt is threadedly connected to the side wall of the pulley support.

[0006] As a further solution of the utility model: the side wall of the pulley support is provided with a support inclined groove that matches the base connecting rod.

[0007] As a further solution of the utility model: a reinforcing plate is fixedly provided on the side wall of the pulley support connected to the top pressure bolt, and the top pressure bolt thread penetrates and is connected to the reinforcing plate.

[0008] As a further solution of the utility model: at least two bolt pressure plates are arranged on the inner side of the side top seat, and the top pressure bolts are threadedly connected to the bolt pressure plates.

[0009] As a further solution of the utility model: the screw head of the pressing bolt is located inside the pulley base.

[0010] As a further solution of the utility model: the pulley block includes a pulley bracket, a positioning hole connected to the support connecting rod is arranged in the middle of the pulley bracket, two groups of pulley shafts are fixedly arranged on the pulley bracket, and a V-groove pulley is rotatably mounted on the pulley shaft.

[0011] As a further solution of the utility model: both sides of the pulley bracket are provided with adjustment waist holes connected to the support connecting rod, and the two groups of adjustment waist holes are symmetrically distributed with the positioning hole as the center.

[0012] As a further solution of the utility model: the width of the pulley bracket is less than half the length of the support connecting rod.

[0013] Beneficial effects of the utility model:

[0014] (1) The reinforcement plate can effectively ensure the stability of the connection between the top pressure bolt and the pulley support, thereby preventing the pulley support from loosening due to thread slippage between the side wall of the pulley support and the top pressure bolt.

[0015] (2) The bolt pressure plate is provided to restrict the installation of the top pressure bolt, thereby effectively improving the stability of the connection between the top pressure bolt and the side top seat.

[0016] (3) Adjust the setting of the waist hole so that the pulley bracket can tilt to the left and right sides along the center hole, ensuring that obstacles can slide normally during the pushing and pulling process, ensuring the stability of the door and window pushing and sliding. The width of the pulley bracket is less than half the length of the support rod, so that the pulley group can adjust its position along the direction of the support rod, which can effectively eliminate the assembly error of the door and window assembly structure and ensure the stability of the door and window pushing and pulling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the axonometric structure of the utility model as a whole;

[0020] Figure 3 It is a structural schematic diagram of the pulley support of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the pulley block of the utility model.

[0022] In the figure: 1. pulley base; 2. base connecting rod; 3. pulley support; 31. support inclined groove; 4. pulley block; 41. pulley bracket; 42. pulley shaft; 43. V-groove pulley; 44. positioning hole; 45. adjustment waist hole; 5. support connecting rod; 6. side top seat; 7. reinforcement plate; 8. top pressure bolt; 9. bolt pressure plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 As shown, the utility model is a sliding door and window pulley structure, including a pulley base 1, the pulley base 1 is a horizontal U-shaped structure, a plurality of base connecting rods 2 are fixedly connected between two vertical plates of the pulley base 1, a pulley support 3 is connected to the base connecting rod 2, a plurality of support connecting rods 5 are fixedly connected to the pulley support 3, a pulley block 4 is connected to the support connecting rod 5, the pulley blocks 4 are arranged in a group of two side by side along the width direction of the pulley base 1, and multiple groups are arranged along the length direction of the pulley base 1; a side top seat 6 is fixedly provided on one side of the pulley base 1, a top pressure bolt 8 is threadedly connected to the side top seat 6, and the top pressure bolt 8 is threadedly connected to the side wall of the pulley support 3.

[0025] The side wall of the pulley support 3 is provided with a support inclined groove 31 which cooperates with the base connecting rod 2. The support inclined groove 31 allows the installation position of the pulley support 3 to be adjusted to adapt to the installation of the door and window profile push-pull structure.

[0026] The side wall of the pulley support 3 connected to the top pressure bolt 8 is fixedly provided with a reinforcing plate 7, and the top pressure bolt 8 is threadedly connected to the reinforcing plate 7. By providing the reinforcing plate 7, the stability of the connection between the top pressure bolt 8 and the pulley support 3 can be effectively ensured, and the pulley support 3 can be prevented from becoming loose due to slippage of the connection between the side wall of the pulley support 3 and the top pressure bolt 8.

[0027] At least two bolt pressure plates 9 are arranged on the inner side of the side top seat 6, and the top pressure bolt 8 is threadedly connected to the bolt pressure plate 9. The bolt pressure plate 9 is provided to limit the installation of the top pressure bolt 8, thereby effectively improving the stability of the connection between the top pressure bolt 8 and the side top seat 6.

[0028] The screw head of the pressing bolt 8 is located inside the pulley base 1, thereby effectively preventing interference between the screw head and the sliding door and window.

[0029] The pulley block 4 comprises a pulley bracket 41 , a positioning hole 44 connected to the support connecting rod 5 is arranged in the middle of the pulley bracket 41 , two groups of pulley shafts 42 are fixedly arranged on the pulley bracket 41 , and a V-groove pulley 43 is rotatably mounted on the pulley shaft 42 .

[0030] Adjustment holes 45 connected to the support connecting rod 5 are arranged on both sides of the pulley bracket 41. The two groups of adjustment holes 45 are symmetrically distributed with the positioning hole 44 as the center. The setting of the adjustment holes 45 enables the pulley bracket 41 to tilt to the left and right sides along the center hole 44, ensuring that obstacles can be encountered during the pushing and pulling process and ensuring the stability of the pushing and pulling of doors and windows.

[0031] The width of the pulley bracket 41 is less than half the length of the support connecting rod 5, so that the pulley group 4 can be adjusted along the direction of the support connecting rod 5, which can effectively eliminate the assembly error of the door and window assembly structure and ensure the stability of the door and window pushing and pulling.

[0032] The working principle of the utility model is as follows: the pulley blocks 4 are arranged in groups of two along the width direction of the pulley base 1, and multiple groups are arranged along the length direction of the pulley base 1 and installed on the pulley support 3, and then the pulley support 3 is installed on the pulley base 1 through the base connecting rod 2, the top pressure bolt 8 is threadedly connected to the side top seat 6, and is threadedly connected to the bolt pressure plate 9 and the reinforcement plate 7, the pulley support 3 is fixed, and finally the pulley base 1 is fixed to the profile of the sliding door and window.

[0033] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A sliding door and window pulley structure, characterized in that: The invention comprises a pulley base (1), wherein the pulley base (1) is a horizontal U-shaped structure, wherein a plurality of base connecting rods (2) are fixedly connected between two vertical plates of the pulley base (1), wherein the base connecting rod (2) is connected to a pulley support (3), wherein the pulley support (3) is fixedly connected to a plurality of support connecting rods (5), wherein the support connecting rod (5) is connected to a pulley block (4), wherein two pulley blocks (4) are arranged side by side as a group along the width direction of the pulley base (1), and a plurality of groups are arranged along the length direction of the pulley base (1); a side top seat (6) is fixedly provided on one side of the pulley base (1), wherein a top pressure bolt (8) is threadedly connected to the side top seat (6), and the top pressure bolt (8) is threadedly connected to the side wall of the pulley support (3).

2. A sliding door and window pulley structure according to claim 1, characterized in that: The side wall of the pulley support (3) is provided with a support inclined groove (31) that matches the base connecting rod (2).

3. The sliding door and window pulley structure according to claim 1, characterized in that: A reinforcing plate (7) is fixedly provided on the side wall of the pulley support (3) connected to the top pressure bolt (8), and the top pressure bolt (8) is threadedly connected to the reinforcing plate (7).

4. The sliding door and window pulley structure according to claim 1, characterized in that: At least two bolt pressure plates (9) are arranged on the inner side of the side top seat (6), and the top pressure bolts (8) are threadedly connected to the bolt pressure plates (9).

5. The sliding door and window pulley structure according to claim 1, characterized in that: The screw head of the pressure bolt (8) is located inside the pulley base (1).

6. The sliding door and window pulley structure according to claim 1, characterized in that: The pulley block (4) comprises a pulley bracket (41), a positioning hole (44) connected to the support connecting rod (5) is arranged in the middle of the pulley bracket (41), two groups of pulley shafts (42) are fixedly arranged on the pulley bracket (41), and a V-groove pulley (43) is rotatably mounted on the pulley shaft (42).

7. A sliding door and window pulley structure according to claim 6, characterized in that: Adjustment waist holes (45) connected to the support connecting rod (5) are arranged on both sides of the pulley bracket (41), and the two groups of adjustment waist holes (45) are symmetrically distributed with the positioning hole (44) as the center.

8. The sliding door and window pulley structure according to claim 7, characterized in that: The width of the pulley bracket (41) is less than half the length of the support connecting rod (5).