Pull rope connector

By designing a detachable pull cord connector, the problem of traditional pull cord connectors being difficult to disassemble is solved, enabling quick installation and removal of the pull cord, extending its service life and improving convenience.

CN224113243UActive Publication Date: 2026-04-14SHENZHEN SPEEDIANCE LIFE TECH LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN SPEEDIANCE LIFE TECH LTD
Filing Date
2025-04-10
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In existing technologies, pull ropes and pull rope connectors are often glued together, making them difficult to disassemble and maintain, which affects the service life and ease of replacement of the pull rope.

Method used

A detachable pull cord connector was designed, including a base and a bracket. The bracket is equipped with a fixing cylinder and a winding block. The detachable connection enables quick installation and removal of the pull cord, avoiding the need for glue bonding.

Benefits of technology

It enables quick installation and removal of the pull rope, extends the service life of the pull rope, improves maintenance convenience and user experience, and prevents the pull rope from detaching.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pull rope connector which comprises a base and a support, and a hanging mechanism used for fixing an external structural member is arranged on the base. The support is detachably connected with the base, the support comprises a fixing cylinder and a plurality of winding blocks arranged around the fixing cylinder, the fixing cylinder is provided with a vertically-through wire passing hole, and each winding block comprises a winding part connected with the fixing cylinder; a plurality of stopping parts are arranged on the winding parts in a protruding mode, at least two stopping parts are arranged to be far away from each other, a limiting gap is formed between at least one stopping part and the fixing cylinder, and a wire groove communicated with the limiting gap is formed between every two adjacent winding parts. The pull rope connector can be conveniently assembled and disassembled with the pull rope.
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Description

Technical Field

[0001] This utility model relates to the field of fitness equipment technology, and in particular to a pull rope connector. Background Technology

[0002] In fitness equipment, especially strength training devices, resistance bands (also known as training ropes) are used. One end of the resistance band is fixed to the motor, and the other end connects to a resistance band connector. In current technology, the resistance band and connector are often glued together. While this prevents separation, it makes disassembly and maintenance difficult. Resistance bands are consumable parts with a limited lifespan, requiring replacement after that period. The difficulty in separating the resistance band from the connector obviously causes maintenance inconvenience. Furthermore, the glue is corrosive to the resistance band, affecting its lifespan. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a pull rope connector that is easy to assemble and disassemble with a pull rope.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a pull cord connector, including...

[0005] A base, on which a mounting mechanism for fixing external structural components is provided;

[0006] A bracket is detachably connected to the base. The bracket includes a fixed cylinder and a plurality of winding blocks arranged around the fixed cylinder. The fixed cylinder has a through-hole. The winding blocks include winding portions connected to the fixed cylinder. The winding portions are provided with a plurality of stop portions, and at least two of the stop portions are arranged far apart from each other. At least one of the stop portions forms a limiting gap with the fixed cylinder. A wire groove is formed between two adjacent winding portions to communicate with the limiting gap.

[0007] Furthermore, two adjacent winding portions are connected by a connecting portion, which is connected to the fixed cylinder.

[0008] Furthermore, the vertical cross-section of the winding portion is a right-angled trapezoid.

[0009] Furthermore, the top and bottom of the winding portion each have the stop portion.

[0010] Furthermore, the stop portion located at the bottom of the winding portion is fan-shaped.

[0011] Furthermore, the bottom of the bracket has a wiring area for routing cables, the wiring area being connected to the cable groove, and the base has an abutment surface for abutting the pull cord area located in the wiring area.

[0012] Furthermore, the base has a convex ring, and the bottom of the bracket is threadedly connected to the convex ring.

[0013] Furthermore, it also includes a mounting cover that covers the bracket, the mounting cover having a cable inlet hole corresponding to the cable passage hole, the mounting cover being detachably connected to the base, or the mounting cover being detachably connected to the bracket.

[0014] Furthermore, the outer contour of the mounting cover is frustoconical.

[0015] Furthermore, the base is provided with an installation cavity and a slit. The installation cavity connects to the outer surface of the base to form a pressing port. The slit connects the outer surface of the base with the installation cavity. The mounting mechanism includes an elastic element, a limiting guide post, and a mounting block. The mounting block has a hook portion corresponding to the slit. The mounting block is slidably disposed in the installation cavity. The limiting guide post is disposed on the base. The mounting block is provided with a guide groove that cooperates with the limiting guide post. The elastic element is located in the installation cavity and contacts the mounting block and the base. One end of the mounting block is exposed through the pressing port.

[0016] The beneficial effects of this utility model are as follows: This pull rope connector, through its detachable connection design between the base and the bracket, combined with the structure of the fixing cylinder and winding block on the bracket, enables quick installation and removal of the pull rope. When the pull rope needs to be replaced, simply remove the bracket from the base and loosen the pull rope. The pull rope and the pull rope connector do not rely on glue for bonding, avoiding glue corrosion of the pull rope, extending its service life, and effectively solving the problem of inconvenient maintenance of traditional pull rope connectors. This improves the convenience of pull rope replacement in strength training devices and enhances the overall user experience. Moreover, when the pull rope tied to the bracket is pulled, it tightens on the bracket, providing an anti-slip effect during training. Attached Figure Description

[0017] Figure 1 Exploded view of the pull rope connector;

[0018] Figure 2 An exploded view of the pull rope connector from another perspective;

[0019] Figure 3 This is a cross-sectional view of the pull cord connector;

[0020] Figure 4 This is a cross-sectional view of the pull cord connector from another perspective.

[0021] Label Explanation:

[0022] 1. Base; 11. Raised ring; 12. Contact surface; 13. Mounting cavity; 14. Slit;

[0023] 2. Bracket; 21. Fixing cylinder; 211. Wire passage hole; 22. Winding block; 221. Winding part; 222. Stop part; 23. Limiting gap; 24. Wire groove; 25. Connecting part; 26. Wire routing area;

[0024] 3. Mounting cover; 31. Cable entry hole;

[0025] 41. Elastic component; 42. Limiting guide post; 43. Hanging block; 431. Hook; 432. Guide groove. Detailed Implementation

[0026] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0027] Please refer to Figures 1 to 4 Draw cord connector, including

[0028] Base 1, wherein the base 1 is provided with a mounting mechanism for fixing external structural components;

[0029] The bracket 2 is detachably connected to the base 1. The bracket 2 includes a fixed cylinder 21 and a plurality of winding blocks 22 arranged around the fixed cylinder 21. The fixed cylinder 21 has a through wire hole 211. The winding block 22 includes a winding portion 221 connected to the fixed cylinder 21. The winding portion 221 is provided with a plurality of stop portions 222, and at least two of the stop portions 222 are arranged far apart from each other. At least one of the stop portions 222 forms a limiting gap 23 with the fixed cylinder 21. A wire groove 24 is formed between two adjacent winding portions 221 to communicate with the limiting gap 23.

[0030] As described above, the beneficial effects of this utility model are as follows: The pull rope connector, through the detachable connection design of the base 1 and the bracket 2, combined with the structure of the fixing cylinder 21 and the winding block 22 on the bracket 2, enables quick installation and removal of the pull rope. When the pull rope needs to be replaced, simply remove the bracket 2 from the base 1 and loosen the pull rope. The pull rope and the pull rope connector do not rely on glue for bonding, avoiding the corrosion of the pull rope by glue, extending the service life of the pull rope, and effectively solving the problem of inconvenient maintenance of traditional pull rope connectors. This improves the convenience of pull rope replacement in strength training devices and enhances the overall user experience. Moreover, when the pull rope bound to the bracket 2 is pulled, the pull rope will tighten on the bracket 2, providing an anti-slip effect during training.

[0031] Furthermore, two adjacent winding portions 221 are connected by a connecting portion 25, which is connected to the fixed cylinder 21.

[0032] As can be seen from the above description, the presence of the connecting part 25 can improve the overall structural strength of the bracket 2, reduce the risk of damage to the bracket 2, and help extend the service life of the pull rope connector.

[0033] Furthermore, the vertical cross-section of the winding portion 221 is a right-angled trapezoid.

[0034] As can be seen from the above description, the winding part 221, with a right-angled trapezoidal vertical cross-section, facilitates the user's winding of the pull rope, which helps to improve the installation efficiency of the pull rope and the pull rope connector.

[0035] Furthermore, the top and bottom of the winding portion 221 each have the stop portion 222.

[0036] Furthermore, the stop portion 222 located at the bottom of the winding portion 221 is fan-shaped.

[0037] As can be seen from the above description, the fan-shaped stop 222 can withstand greater tensile force, thereby reducing the risk of damage to the stop 222, and at the same time, it can improve the structural strength of the bracket 2 to a greater extent.

[0038] Furthermore, the bottom of the bracket 2 has a wiring area 26 for wiring, the wiring area 26 is connected to the wire groove 24, and the base 1 has a contact surface 12 for contacting the pull rope area located in the wiring area 26.

[0039] As described above, the base 1 and the bracket 2 can clamp and fix the pull rope area located in the wiring area 26, which helps to improve the fixing effect of the pull rope and the pull rope connector.

[0040] Furthermore, the base 1 has a protruding ring 11, and the bottom of the bracket 2 is threadedly connected to the protruding ring 11.

[0041] As can be seen from the above description, the connection between the base 1 and the bracket 2 is simple and reliable.

[0042] Furthermore, it also includes a mounting cover 3 that covers the bracket 2, the mounting cover 3 having an inlet hole 31 corresponding to the wire through hole 211, the mounting cover 3 being detachably connected to the base 1, or the mounting cover 3 being detachably connected to the bracket 2.

[0043] As described above, the mounting cover 3 can protect the bracket 2 and the pull rope wrapped around the bracket 2.

[0044] Furthermore, the outer contour of the mounting cover 3 is frustoconical.

[0045] As can be seen from the above description, the frustum-shaped mounting cover 3 can be effectively adapted to the winding portion 221, which has a right-angled trapezoidal vertical cross-section.

[0046] Furthermore, the base 1 is provided with an installation cavity 13 and a slit 14. The installation cavity 13 is connected to the outer surface of the base 1 to form a pressing port. The slit 14 is connected to the outer surface of the base 1 and the installation cavity 13. The mounting mechanism includes an elastic element 41, a limiting guide post 42 and a mounting block 43. The mounting block 43 has a hook portion 431 corresponding to the slit 14. The mounting block 43 is slidably disposed in the installation cavity 13. The limiting guide post 42 is disposed on the base 1. The mounting block 43 is provided with a guide groove 432 that cooperates with the limiting guide post 42. The elastic element 41 is located in the installation cavity 13. The elastic element 41 contacts the mounting block 43 and the base 1. One end of the mounting block 43 is exposed through the pressing port.

[0047] As can be seen from the above description, the mounting mechanism has a simple structure, is easy to operate, and has a stable mounting effect.

[0048] Please refer to Figures 1 to 4 Embodiment 1 of this utility model is a pull cord connector, including a base 1, a bracket 2, and a mounting cover 3. The base 1 is provided with a mounting mechanism for fixing external structural components, including but not limited to a pull handle. The bracket 2 is detachably connected to the base 1. The bracket 2 includes a fixed cylinder 21 and a plurality of winding blocks 22 arranged around the fixed cylinder 21. The fixed cylinder 21 has a through-hole 211. The winding block 22 includes a winding portion 221 connecting to the fixed cylinder 21. The winding portion 221 is provided with a plurality of stop portions 222, and at least one of them is provided with a stop portion 222. The two stop portions 222 are disposed far apart from each other, and at least one of the stop portions 222 forms a limiting gap 23 with the fixed cylinder 21. A wire groove 24 is formed between two adjacent winding portions 221, which communicates with the limiting gap 23. When the pull rope is wound on the bracket 2, the limiting gap 23 and the wire groove 24 are the path of the pull rope. The mounting cover 3 covers the bracket 2. The mounting cover 3 has an inlet hole 31 corresponding to the wire hole 211. The mounting cover 3 is detachably connected to the base 1, or the mounting cover 3 is detachably connected to the bracket 2.

[0049] In one or more embodiments, the winding part 221, the stop part 222 and the fixing cylinder 21 are integrally formed into a single structure, which is beneficial to controlling the manufacturing cost of the pull rope connector.

[0050] There are various ways to achieve a detachable connection between the bracket 2 and the base 1, such as snap-fit ​​connection or connection by fastening screws. In this embodiment, the bracket 2 and the base 1 are threadedly connected. Specifically, the base 1 has a protruding ring 11, and the bottom of the bracket 2 is threadedly connected to the protruding ring 11, which makes it easier for users to assemble and disassemble the base 1 and the bracket 2. Similarly, there are various ways to achieve a detachable connection between the mounting cover 3 and the bracket 2. In this embodiment, the mounting cover 3 is threadedly connected to the protruding ring 11. In other embodiments, the top of the fixing cylinder 21 is threadedly connected to the mounting cover 3.

[0051] To improve the structural strength of the bracket 2, two adjacent winding portions 221 are connected by a connecting portion 25, which is connected to the fixed cylinder 21. The connecting portion 25 and the winding portion 221 are integrally formed into a single structure.

[0052] Optionally, the vertical cross-section of the winding portion 221 is a right trapezoid, wherein the length of the upper base of the vertical cross-section of the winding portion 221 is less than the length of the lower base.

[0053] Considering factors such as raw material consumption and the size of the pull cord connector, it is preferable that the outer contour of the mounting cover 3 is frustoconical. Of course, other shapes for the outer contour of the mounting cover 3 are also acceptable.

[0054] In this embodiment, the winding portion 221 has stop portions 222 at its top and bottom. Preferably, the stop portion 222 located at the bottom of the winding portion 221 is fan-shaped. In other embodiments, the stop portion 222 may also be located on the side of the winding portion 221.

[0055] The bottom of the bracket 2 has a wiring area 26 for routing cables, which connects to the cable groove 24. The base 1 has an abutment surface 12 for abutting the pull cord area located in the wiring area 26. Specifically, among the plurality of stops 222 located at the bottom of the bracket 2, the gap between two adjacent stops 222 constitutes a portion of the wiring area 26. Specifically, the depth of the wiring area 26 is less than the diameter of the pull cord; therefore, a portion of the pull cord protrudes from the bottom surface of the bracket 2, thus abutting the abutment surface 12.

[0056] The base 1 has a mounting cavity 13 and a slit 14. The mounting cavity 13 connects to the outer surface of the base 1 to form a pressing opening. The slit 14 connects the outer surface of the base 1 with the mounting cavity 13. The mounting mechanism includes an elastic element 41, a limiting guide post 42, and a mounting block 43. The mounting block 43 has a hook portion 431 corresponding to the slit 14. The mounting block 43 is slidably disposed within the mounting cavity 13. The limiting guide post 42 is disposed on the base 1. The mounting block 43 has a guide groove 432 that cooperates with the limiting guide post 42. The elastic element 41 is located within the mounting cavity 13 and contacts the mounting block 43 and the base 1. One end of the mounting block 43 is exposed through the pressing opening. The elastic element 41 may be a spring or the like.

[0057] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A pull cord connector, characterized in that, include A base, on which a mounting mechanism for fixing external structural components is provided; A bracket is detachably connected to the base. The bracket includes a fixed cylinder and a plurality of winding blocks arranged around the fixed cylinder. The fixed cylinder has a through-hole. The winding blocks include winding portions connected to the fixed cylinder. The winding portions are provided with a plurality of stop portions, and at least two of the stop portions are arranged far apart from each other. At least one of the stop portions forms a limiting gap with the fixed cylinder. A wire groove is formed between two adjacent winding portions to communicate with the limiting gap.

2. The drawstring connector according to claim 1, characterized in that, Two adjacent winding portions are connected by a connecting portion, which is connected to the fixed cylinder.

3. The drawstring connector according to claim 1, characterized in that, The vertical cross-section of the winding section is a right-angled trapezoid.

4. The drawstring connector according to claim 1, characterized in that, The top and bottom of the winding portion each have the stop portion.

5. The drawstring connector according to claim 4, characterized in that, The stop portion located at the bottom of the winding portion is fan-shaped.

6. The drawstring connector according to claim 1, characterized in that, The bottom of the bracket has a wiring area for routing cables, the wiring area is connected to the cable groove, and the base has an abutment surface for abutting the pull cord area located in the wiring area.

7. The drawstring connector according to claim 6, characterized in that, The base has a convex ring, and the bottom of the bracket is threadedly connected to the convex ring.

8. The drawstring connector according to claim 1, characterized in that, It also includes a mounting cover that covers the bracket, the mounting cover having an inlet hole corresponding to the cable passage hole, the mounting cover being detachably connected to the base, or the mounting cover being detachably connected to the bracket.

9. The drawstring connector according to claim 8, characterized in that, The outer contour of the mounting cover is frustoconical.

10. The drawstring connector according to claim 1, characterized in that, The base has an installation cavity and a slit. The installation cavity connects to the outer surface of the base to form a pressing port. The slit connects the outer surface of the base with the installation cavity. The mounting mechanism includes an elastic element, a limiting guide post, and a mounting block. The mounting block has a hook portion corresponding to the slit. The mounting block is slidably disposed in the installation cavity. The limiting guide post is disposed on the base. The mounting block has a guide groove that cooperates with the limiting guide post. The elastic element is located in the installation cavity and contacts the mounting block and the base. One end of the mounting block is exposed through the pressing port.