Height lowering device of connecting rod for pulley

Abstract

The utility model provides a height lowering device of a connecting rod for a pulley, which comprises the pulley and the connecting rod, the height lowering device is arranged between the pulley and the connecting rod, and the height lowering device lowers the height of the connecting rod. By means of the height lowering device, the connecting rod can be effectively prevented from interfering with door and window profiles, the door and window manufacturing difficulty is greatly lowered, and a door and window body is smoothly pushed and pulled.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window accessories, in particular to a height lowering device of a connecting rod for a pulley. Background Art

[0002] The existing pulley connecting rod is easy to interfere with the profile, which makes the doors and windows more difficult to manufacture and takes time and effort to push and pull the doors and windows. How to solve the above problems is the subject faced by the present invention. Utility Model Content

[0003] The utility model provides a height lowering device for a connecting rod for a pulley. The height lowering device of the utility model can avoid the connecting rod from interfering with the profile, greatly reducing the manufacturing difficulty, and smoothly pushing and pulling the door and window main body.

[0004] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] A height lowering device for a connecting rod for a pulley comprises a pulley and a connecting rod. A height lowering device is arranged between the pulley and the connecting rod, and the height lowering device lowers the height of the connecting rod.

[0006] Furthermore, the height lowering device adopts a split structure, including a conversion part body, a connecting rod, a fixing part, and a fastening screw. The conversion part body is provided with a first connecting hole, a second connecting hole, and a screw hole. The first connecting hole is located on the side of the conversion part body, the connecting rod cooperates with the first connecting hole, the fixing part is connected to the end of the pulley, and a third connecting hole is provided on the fixing part. The connecting rod cooperates with the second connecting hole and the third connecting hole respectively, and is used to connect the fixing part and the conversion part body, and the fastening screw cooperates with the screw hole to fasten the connecting rod.

[0007] Furthermore, the fixing member is provided with screw holes and fastening screws for fixing the connecting rod.

[0008] Furthermore, the height lowering device adopts an integral structure, on which a first connecting hole, a connecting portion, a screw hole, and a fastening screw are configured. The first connecting hole is located on the side of the integral structure, the connecting portion is connected to the end of the pulley, the connecting rod cooperates with the first connecting hole, and the fastening screw cooperates with the screw hole to fasten the connecting rod. Beneficial effects

[0009] The height lowering device of the utility model can avoid the interference of the connecting rod with the profile, greatly reducing the manufacturing difficulty, and smoothly pushing and pulling the door and window main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the overall assembly structure of a specific embodiment 1 of the height lowering device for the pulley connecting rod of the present utility model;

[0011] Figure 2 This is a schematic diagram of the overall exploded structure of the height lowering device of Example 1;

[0012] Figure 3 This is a schematic diagram of the overall assembly structure of a specific embodiment 2 of the height lowering device for the pulley connecting rod of the present utility model;

[0013] Figure 4 This is a schematic diagram of the overall structure of the height lowering device of Example 2;

[0014] Figure 5 This is a schematic diagram of the exploded structure of the height lowering device of Example 2;

[0015] Figure 6 This is a schematic diagram of the overall assembly structure of a specific embodiment 3 of the height lowering device for the pulley connecting rod of the present utility model;

[0016] Figure 7 This is a schematic diagram of the overall structure of the height lowering device of Example 3;

[0017] Figure 8 This is a schematic diagram of the exploded structure of the height lowering device of Example 3;

[0018] Among them, 10, pulley; 11, pulley end; 20, connecting rod;

[0019] 30. Height lowering device; 31. Converter body; 311. First connecting hole; 312. Second connecting hole; 313. Screw hole; 32. Connecting rod; 33. Fixing member; 331. Third connecting hole; 332. Screw hole; 34. Fastening screw; 35. Fastening screw;

[0020] 40. Height lowering device; 41. First connecting hole; 42. Connecting portion; 43. Screw hole; 44. Fastening screw;

[0021] 50. Height lowering device; 51. First connecting hole; 52. Connecting portion; 53. Screw hole; 54. Fastening screw. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0023] refer to Figure 1-2 As shown, a specific embodiment of a pulley connecting rod height lowering device of the present invention includes a pulley 10, a connecting rod 20, and a height lowering device 30 is arranged between the pulley 10 and the connecting rod 20. The height lowering device 30 lowers the height of the connecting rod 20.

[0024] The height lowering device 30 adopts a split structure, including a converter body 31, a connecting rod 32, a fixing member 33, and a fastening screw 34. The converter body 31 is configured with a first connecting hole 311, a second connecting hole 312, and a screw hole 313. The first connecting hole 311 is located on the side of the converter body 31. The connecting rod 20 cooperates with the first connecting hole 311. The fixing member 33 is connected to the pulley end 11. The fixing member 33 is configured with a third connecting hole 331. The connecting rod 32 cooperates with the second connecting hole 312 and the third connecting hole 331 respectively to connect the fixing member 33 and the converter body 31. The fastening screw 34 cooperates with the screw hole 313 to fasten the connecting rod 33. The fixing member 33 is configured with a screw hole 332 and a fastening screw 35 to fix the connecting rod 32. Example 2

[0025] refer to Figure 3-5 As shown, another embodiment of a height lowering device for a pulley connecting rod of the utility model includes a pulley 10, a connecting rod 20, and a height lowering device 40 is arranged between the pulley 10 and the connecting rod 20. The height lowering device 40 adopts an integral structure, and is provided with a first connecting hole 41, a connecting portion 42, a screw hole 43, and a fastening screw 44. The first connecting hole 41 is located on the side of the integral structure, the connecting portion 42 is connected to the pulley end 11, the connecting rod 20 cooperates with the first connecting hole 41, and the fastening screw 44 cooperates with the screw hole 43 to fasten the connecting rod 20. Example 3

[0026] refer to Figure 6-8 As shown, another embodiment of the height lowering device of a pulley connecting rod of the utility model includes a pulley 10, a connecting rod 20, and a height lowering device 50 is arranged between the pulley 10 and the connecting rod 20. The height lowering device 50 adopts an integral structure, on which a first connecting hole 51, a connecting part 52, a screw hole 53 are arranged, and also includes a fastening screw 54. The first connecting hole 51 is located on the side of the integral structure, the connecting part 52 is connected to the pulley end 11, the connecting rod 20 is matched with the first connecting hole 51, and the fastening screw 54 is matched with the screw hole 53 to fasten the connecting rod 20. The difference from the above-mentioned embodiment 2 is that the length of the connecting part 52 is shorter, which saves more materials.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulley connecting rod height lowering device, comprising a pulley and a connecting rod, characterized in that: A height lowering device is arranged between the pulley and the connecting rod, and the height lowering device lowers the height of the connecting rod; The height lowering device adopts a split structure, including a conversion member body, a connecting rod, a fixing member, and a fastening screw. The conversion member body is provided with a first connecting hole, a second connecting hole, and a screw hole. The first connecting hole is located on the side of the conversion member body. The connecting rod cooperates with the first connecting hole. The fixing member is connected to the end of the pulley. The fixing member is provided with a third connecting hole. The connecting rod cooperates with the second connecting hole and the third connecting hole respectively to connect the fixing member and the conversion member body. The fastening screw cooperates with the screw hole to fasten the connecting rod. Alternatively, the height lowering device adopts an integral structure, on which a first connecting hole, a connecting portion, a screw hole, and a fastening screw are configured. The first connecting hole is located on the side of the integral structure, the connecting portion is connected to the end of the pulley, the connecting rod cooperates with the first connecting hole, and the fastening screw cooperates with the screw hole to fasten the connecting rod.

2. The height lowering device for the pulley connecting rod according to claim 1, characterized in that: The fixing piece is provided with screw holes and fastening screws for fixing the connecting rod.

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