Safety rope self-locking hook

By introducing a detachable self-locking mechanism and a lubrication mechanism into the safety rope self-locking hook, the problems of spring performance degradation and cable wear are solved, thereby improving the safety and durability of the hook.

CN224220628UActive Publication Date: 2026-05-12YUNNAN XINGSHENG POWER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN XINGSHENG POWER TECH CO LTD
Filing Date
2025-05-16
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing safety rope self-locking hooks suffer from spring performance degradation and difficulty in replacement after prolonged use, and lack of lubrication leads to cable wear, affecting service life and safety.

Method used

A safety rope self-locking hook was designed, which includes a self-locking mechanism and a lubrication mechanism. The self-locking mechanism achieves automatic locking through a detachable spring and a limiting plate, while the lubrication mechanism stores lubricating oil through balls and a sponge to reduce friction and wear.

Benefits of technology

It improves the safety and lifespan of the hook, prevents spring performance degradation, reduces cable wear, and ensures worker safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety rope self-locking hook, which relates to the technical field of safety ropes, and comprises a hook body, a self-locking mechanism is mounted on the hook body, a lubricating mechanism is mounted on the inner wall of the hook body, a through hole is formed in the hook body, the self-locking mechanism comprises a locking plate, the locking plate is rotatably connected to the hook body, and the lubricating mechanism is mounted on the inner wall of the hook body. A limiting plate is fixedly installed on the inner wall of the locking plate, the lubricating mechanism comprises a rotating groove, the rotating groove is formed in the inner wall of the hook body, and balls are arranged on the inner wall of the rotating groove in a rolling mode. The safety rope hook has the advantages that the self-locking mechanism is arranged, the purpose of automatically locking the hook is achieved, the safety of the safety rope hook is improved, meanwhile, the spring can be detached and replaced, the situation that the spring is used for a long time, performance is reduced, and consequently dangerous situations occur is avoided, and the lubricating mechanism is arranged, so that the safety rope hook is convenient to use. The purpose of improving the lubricating performance of the hook is achieved, and abrasion to the cable is reduced when the hook is used.
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Description

TECHNICAL FIELD

[0001] The utility model relates to safety rope technical field, especially a safety rope self -locking hook. BACKGROUND

[0002] Safety rope is a kind of protective equipment used in high-altitude operation or extreme sports, usually made of high-strength fiber or steel wire, with wear resistance, impact resistance and corrosion resistance.

[0003] In the field of power maintenance, safety rope hook is the key equipment to protect the life safety of workers, its role is to reliably connect workers with safety rope, prevent workers from falling accident when working in high altitude, however, the existing safety rope self -locking hook has some security risks, on the one hand, the spring and other key components inside the self -locking hook will gradually decline in performance after long time use, such as reduced elasticity, deformation, etc., but since the spring is usually fixedly installed inside the hook, it is difficult to disassemble and replace, which further increases the risk of hook failure, on the other hand, the self -locking hook is in frequent contact and friction with cable and other objects during use, lacks good lubrication performance, easily causes cable wear, shortens the service life of cable, and also may affect the normal use of hook. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A safety rope self -locking hook, comprising a hook body, a self -locking mechanism is installed on the hook body, a lubricating mechanism is installed on the inner wall of the hook body, a perforation is opened on the hook body, the self -locking mechanism comprises a lock plate, the lock plate is rotatably connected to the hook body, and a limiting plate is fixedly installed on the inner wall of the lock plate.

[0007] The lubricating mechanism comprises a rotating groove, the rotating groove is opened on the inner wall of the hook body, the inner wall of the rotating groove is rotatably provided with a ball, a storage groove is opened in the hook body, the storage groove is communicated with the rotating groove, and a storage sponge is fixedly installed in the storage groove.

[0008] As a preferred scheme of the safety rope self -locking hook of the utility model, wherein: the inner wall of the hook body is fixedly installed with a box body, and the shape of the box body is cylindrical box.

[0009] As a preferred scheme of the safety rope self-locking hook, one end of the box body penetrates the surface of the hook body, and the one end of the box body is threadedly connected with a box cover.

[0010] As a preferred scheme of the safety rope self-locking hook, the inner wall of the box body is slidably provided with a limiting block, and the cross-sectional size of the limiting block is matched with the cross-sectional size of the inner wall of the box body.

[0011] As a preferred scheme of the safety rope self-locking hook, a spring is arranged in the box body, one end of the spring is in contact with the box cover, and the other end of the spring is in contact with the limiting block.

[0012] As a preferred scheme of the safety rope self-locking hook, the other end of the limiting block is fixedly provided with a connecting rod, the connecting rod is in the shape of a cylindrical rod, and one end of the connecting rod is fixedly provided with a mounting rack.

[0013] As a preferred scheme of the safety rope self-locking hook, the inner wall of the mounting rack is rotatably connected with a roller, and the roller is in the shape of a cylindrical rod.

[0014] As a preferred scheme of the safety rope self-locking hook, the limiting plate is in the shape of a rectangular plate, a sliding groove is formed in the surface of the limiting plate, the sliding groove is in the shape of a strip-shaped groove, and the roller slides in the sliding groove.

[0015] As a preferred scheme of the safety rope self-locking hook, the rotating groove is not less than five, and the ball is in the shape of a spherical ball.

[0016] As a preferred scheme of the safety rope self-locking hook, the side surface of the hook body is provided with an injection hole, the injection hole is in the shape of a cylindrical hole, one end of the injection hole is communicated with the storage groove, the inner wall of the injection hole is provided with a thread, and the inner wall of the injection hole is threadedly connected with a hole cover.

[0017] The safety rope self-locking hook has the advantages that the self-locking mechanism is arranged to automatically lock the hook, the safety of the safety rope hook is improved, the spring can be replaced, the performance of the spring is not reduced after long-time use, the lubricating mechanism is arranged to increase the lubricating performance of the hook, and the abrasion of the cable is reduced during use. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the present application.

[0020] Figure 2 It is a partial sectional view of the hook body of the present application.

[0021] Figure 3 It is a schematic diagram of the rotating groove of the present application.

[0022] Figure 4 It is an enlarged view of A of the present application.

[0023] Figure 5 It is a schematic diagram of the self-locking assembly of the present application.

[0024] Figure 6 It is a sectional view of the box body of the present application.

[0025] Figure 7 It is a schematic diagram of the sliding groove of the present application.

[0026] Reference numerals in the drawing: 100, hook body; 200, self-locking mechanism; 201, box cover; 202, lock plate; 203, box body; 204, connecting rod; 205, sliding groove; 206, limiting plate; 207, spring; 208, limiting block; 209, mounting frame; 210, roller; 300, lubricating mechanism; 301, storage sponge; 302, ball; 303, rotating groove; 304, storage groove; 305, injection hole; 306, hole cover; 400, perforation. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0029] Secondly, the "one embodiment" or "embodiment" referred to herein means that a specific feature, structure, or characteristic can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.

[0030] Embodiment one:

[0031] Referring to Figures 1-7 For the first embodiment of the present application, the embodiment provides a safety rope self-locking hook, which comprises a hook body 100, a self-locking mechanism 200 is installed on the hook body 100, by setting the self-locking mechanism 200, the purpose of automatically locking the hook is achieved, which is beneficial to improve the safety of the safety rope hook, and the spring 207 can be replaced, avoiding the performance degradation of the spring 207 after long-term use, thereby avoiding the occurrence of dangerous situations, the inner wall of the hook body 100 is provided with a lubricating mechanism 300, by setting the lubricating mechanism 300, the purpose of increasing the lubricating performance of the hook is achieved, and in use, the abrasion of the cable is reduced, the hook body 100 is provided with a perforation 400, the perforation 400 is provided for accommodating the insertion of the safety rope, the self-locking mechanism 200 comprises a lock plate 202, the lock plate 202 is rotatably connected to the hook body 100, the number of the lock plate 202 is two, the lock plate 202 is provided for closing the hook body 100, the inner wall of the lock plate 202 is fixedly provided with a limiting plate 206, the limiting plate 206 is provided for accommodating the opening of the sliding groove 205.

[0032] The lubricating mechanism 300 comprises a rotating groove 303, the rotating groove 303 is provided on the inner wall of the hook body 100, the rotating groove 303 is provided for accommodating the rolling of the ball 302, the inner wall of the rotating groove 303 is rotatably provided with the ball 302, the ball 302 is provided for reducing the abrasion of the cable caused by the hook body 100, a storage groove 304 is provided in the hook body 100, the storage groove 304 is provided for accommodating the installation of the storage sponge 301, the storage groove 304 is communicated with the rotating groove 303, the storage sponge 301 is fixedly installed in the storage groove 304, and the storage sponge 301 is provided for storing lubricating oil.

[0033] Embodiment two:

[0034] Referring to Figures 1-7 For the second embodiment of the present application, the embodiment is based on the previous embodiment.

[0035] Specifically, the inner wall of the hook body 100 is fixedly provided with a box body 203, and the box body 203 is in the shape of a cylindrical box.

[0036] The box body 203 is provided for accommodating the sliding of the limiting block 208.

[0037] Specifically, one end of the box body 203 penetrates the surface of the hook body 100, and one end of the box body 203 is threadedly connected with the box cover 201.

[0038] The box cover 201 is arranged to open the box body 203, thereby facilitating replacement of the spring 207 in the box body 203.

[0039] Specifically, the inner wall of the box body 203 is slidingly provided with a limiting block 208, and the cross-sectional size of the limiting block 208 is adapted to the cross-sectional size of the inner wall of the box body 203.

[0040] The limiting block 208 is in the shape of a round plate, and the limiting block 208 is arranged to receive the installation of the connecting rod 204.

[0041] Specifically, the box body 203 is provided with the spring 207, one end of the spring 207 is in contact with the box cover 201, and the other end of the spring 207 is in contact with the limiting block 208.

[0042] The spring 207 is arranged to apply a force to the limiting block 208.

[0043] Specifically, the other end of the limiting block 208 is fixed with the connecting rod 204, the connecting rod 204 is in the shape of a cylindrical rod, and one end of the connecting rod 204 is fixedly installed with a mounting bracket 209.

[0044] The connecting rod 204 is arranged to receive the installation of the mounting bracket 209.

[0045] Specifically, the inner wall of the mounting bracket 209 is rotatably connected with a roller 210, and the roller 210 is in the shape of a cylinder.

[0046] The roller 210 is arranged to roll in the sliding groove 205, thereby reducing the abrasion caused to the limiting plate 206 when the hook body 100 is opened.

[0047] Specifically, the limiting plate 206 is in the shape of a rectangular plate, and the surface of the limiting plate 206 is provided with the sliding groove 205, which is a strip-shaped groove, and the roller 210 slides in the sliding groove 205.

[0048] The sliding groove 205 is arranged to receive the rolling of the roller 210, thereby realizing the abrasion generated when the hook body 100 is opened.

[0049] Embodiment three:

[0050] Referring to Figures 1-7 This embodiment is based on the previous two embodiments.

[0051] Specifically, the rotating groove 303 is not less than five, and the shape of the ball 302 is spherical.

[0052] The arrangement of the rolling ball 302 reduces the abrasion of the cable and protects the cable when the hook is used.

[0053] Specifically, the side surface of the hook body 100 is provided with an injection hole 305, the injection hole 305 is a cylindrical hole, one end of the injection hole 305 is communicated with the storage groove 304, and the inner wall of the injection hole 305 is provided with a thread.

[0054] The injection hole 305 is arranged to inject lubricant into the storage sponge 301.

[0055] When the electrician needs to use the safety rope hook to maintain the cable at a high place, the safety rope is first threaded through the perforation 400, and then the safety rope is tied to the worker's body, then the lock plate 202 is pressed, the lock plate 202 rotates around the rotating point of the hook body 100 as the center, and when the lock plate 202 rotates, the limiting plate 206 is deflected, and when the limiting plate 206 is deflected, the spring 207 is pressed through the sliding groove 205, the rolling wheel 210, the connecting rod 204 and the limiting block 208, until the hook body 100 is opened, then the hook body 100 is sleeved on the cable, and the lock plate 202 is loosened, under the action of the spring 207, the limiting block 208 drives the limiting plate 206 to return to the original position through the connecting rod 204, the rolling wheel 210 and the sliding groove 205, so as to realize the self-locking of the hook.

[0056] The detachable box cover 201 is arranged, the spring 207 can be disassembled and replaced, and the performance of the spring 207 is prevented from being reduced due to long-term use, so that the dangerous situation is avoided.

[0057] When the electrician moves along the cable, the hook body 100 slides along the surface of the cable, the rolling ball 302 is arranged to reduce the abrasion of the cable by the hook body 100, and to avoid damaging the cable when the hook body 100 moves along the cable.

[0058] The injection hole 305 and the storage sponge 301 are arranged to store lubricant, and because the rotating groove 303 is communicated with the storage groove 304, the lubricating oil on the storage sponge 301 can be applied when the rolling ball 302 rotates, so as to lubricate the rolling ball 302.

[0059] It should be noted that the above embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and all of them should be covered in the claim range of the utility model.

Claims

1. A safety rope self-locking hook, comprising a hook body (100), characterized in that: A self-locking mechanism (200) is installed on the hook body (100), a lubrication mechanism (300) is installed on the inner wall of the hook body (100), a through hole (400) is opened on the hook body (100), the self-locking mechanism (200) includes a locking plate (202), the locking plate (202) is rotatably connected to the hook body (100), and a limit plate (206) is fixedly installed on the inner wall of the locking plate (202); The lubrication mechanism (300) includes a rotating groove (303) which is formed on the inner wall of the hook body (100). A ball bearing (302) is rolled on the inner wall of the rotating groove (303). A storage groove (304) is formed inside the hook body (100) and is connected to the rotating groove (303). A storage sponge (301) is fixedly installed inside the storage groove (304).

2. The safety rope self-locking hook as described in claim 1, characterized in that: A box (203) is fixedly installed on the inner wall of the hook body (100), and the box (203) is cylindrical in shape.

3. A safety rope self-locking hook as described in claim 2, characterized in that: One end of the box body (203) penetrates the surface of the hook body (100), and a box cover (201) is threadedly connected to one end of the box body (203).

4. A safety rope self-locking hook as described in claim 2, characterized in that: The inner wall of the box (203) is slidably provided with a limiting block (208), and the cross-sectional dimensions of the limiting block (208) are adapted to the cross-sectional dimensions of the inner wall of the box (203).

5. A safety rope self-locking hook as described in claim 4, characterized in that: A spring (207) is provided inside the box body (203). One end of the spring (207) is in contact with the box cover (201), and the other end of the spring (207) is in contact with the limiting block (208).

6. A safety rope self-locking hook as described in claim 4, characterized in that: The other end of the limiting block (208) is fixed with a connecting rod (204), which is cylindrical in shape, and a mounting bracket (209) is fixedly installed at one end of the connecting rod (204).

7. A safety rope self-locking hook as described in claim 6, characterized in that: The inner wall of the mounting bracket (209) is rotatably connected to a roller (210), and the roller (210) is cylindrical in shape.

8. A safety rope self-locking hook as described in claim 7, characterized in that: The limiting plate (206) is rectangular in shape, and a groove (205) is provided on the surface of the limiting plate (206). The groove (205) is a strip groove, and the roller (210) slides in the groove (205).

9. A safety rope self-locking hook as described in claim 1, characterized in that: There are no fewer than five rotating grooves (303), and the ball bearings (302) are spherical in shape.

10. A safety rope self-locking hook as described in claim 1, characterized in that: The hook body (100) has an injection hole (305) on its side. The injection hole (305) is cylindrical. One end of the injection hole (305) is connected to the storage groove (304). The inner wall of the injection hole (305) is threaded. The inner wall of the injection hole (305) is threaded with a hole cover (306).