Safety hook for high-altitude operation
By setting arc-shaped rings and limit rings at both ends of the safety hook for high-altitude operations, and using a telescopic spring to achieve locking, the problem of traditional safety hooks being prone to falling off is solved, thus improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-03-10
AI Technical Summary
Traditional safety hooks used for high-altitude operations lack reliable locking mechanisms, which can cause the hook to detach and pose a serious risk of falling.
A safety hook was designed, which uses the elastic potential energy of a telescopic spring to achieve a locking function by setting arc-shaped rings and limit rings at both ends of the hook, thus preventing it from falling off.
It effectively prevents the safety hook from falling off, improves the safety of high-altitude operations, and reduces the risk of personal injury or death.
Smart Images
Figure CN223980017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to safety hook technical field, more specifically, the utility model relates to a kind of insurance safety hook for aerial work. BACKGROUND
[0002] Aerial work, usually referred to as high-altitude work, is work performed by a person at a height that is higher than a certain reference point. Safety hooks, also known as safety hooks or primary locks, are the most commonly used connection tools for connecting ropes, flat belts, anchor points, equipment, and other devices. They are primarily used in high-altitude work, outdoor activities, rescue operations, and other situations to ensure the safety of personnel and equipment.
[0003] Traditional safety hooks for aerial work have the following shortcomings: aerial work is a highly risky task, and securing a safety harness is an essential protective measure to ensure the safety of workers. The safety harness is connected to the hook via a safety rope, which is then secured to a pole-like object, providing necessary support and protection for the worker. However, traditional hook designs often lack reliable locking mechanisms, which poses a significant safety risk. In actual operation, if the hook is not securely attached to the fixed object or accidentally falls due to external forces, the worker will face a high risk of falling, which may result in serious personal injury or death. Therefore, improvements are needed. SUMMARY
[0004] To overcome the shortcomings of the prior art, the utility model provides a safety hook for aerial work, which has the advantage of being easy to use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a safety hook for aerial work, comprising a safety hook, an arc-shaped ring one is arranged at the right end of the safety hook, an arc-shaped ring two is arranged at the left end of the safety hook, a circular shaft is rotatably installed inside the arc-shaped ring one, a movable slot is formed in the interior of the arc-shaped ring two, the circular shaft extends into the interior of the movable slot, a movable block is fixedly installed at the front end of the circular shaft, a stretchable spring is elastically installed between the interior of the movable slot and the interior of the movable block, and the stretchable spring is movably sleeved on the exterior of the circular shaft.
[0006] As a preferred technical scheme of the utility model, horizontal grooves are formed on both sides of the circular shaft, a circular groove is formed in the interior of the circular shaft, sliding blocks are fixedly installed on both sides of the movable block inside the circular groove, and the circular groove corresponds to the horizontal grooves.
[0007] As a preferred technical scheme of the utility model, positioning blocks are fixedly installed on both sides of the circular shaft, and an indicator arrow is formed above the arc-shaped ring two.
[0008] As a preferred technical solution of this utility model, the right end of the safety hook is provided with an arc-shaped groove, which corresponds to the arc-shaped ring.
[0009] As a preferred embodiment of this utility model, the left end of the safety hook is provided with two limiting rings, which correspond to the two arc-shaped rings.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] This invention achieves a locking function by pulling arc-shaped ring one and arc-shaped ring two, inserting arc-shaped ring one into the arc groove, and then inserting arc-shaped ring two into the inner side of the limiting ring. At this time, the telescopic spring releases its elastic potential energy to push the round shaft back to its original position, thus achieving a locking function. Compared with traditional safety hooks for high-altitude operations, this safety hook for high-altitude operations achieves a locking function by installing arc-shaped ring one and arc-shaped ring two at both ends of the safety hook, thus preventing the hook from falling off. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the safety hook of this utility model;
[0014] Figure 3 This is a schematic diagram of the arc-shaped ring of this utility model;
[0015] Figure 4 This is a schematic diagram of the transverse cross-section of the arc-shaped ring of this utility model;
[0016] Figure 5 for Figure 4 A magnified schematic diagram of the local structure at point A;
[0017] Figure 6 This is a schematic diagram of the circular shaft of this utility model.
[0018] In the diagram: 1. Safety hook; 2. Arc groove; 3. Limiting ring; 4. Arc ring one; 5. Arc ring two; 6. Round shaft; 7. Indicator arrow; 8. Positioning block; 9. Movable groove; 10. Movable block; 11. Telescopic spring; 12. Horizontal groove; 13. Circular groove; 14. Slider. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] like Figures 1 to 6 As shown, this utility model provides a safety hook for high-altitude operations, including a safety hook 1. An arc-shaped ring 4 is provided at the right end of the safety hook 1, and an arc-shaped ring 5 is provided at the left end of the safety hook 1. A round shaft 6 is rotatably installed on the inner side of the arc-shaped ring 4. A movable groove 9 is opened inside the arc-shaped ring 5. The round shaft 6 extends into the interior of the movable groove 9. A movable block 10 is fixedly installed at the front end of the round shaft 6. A telescopic spring 11 is elastically installed between the inner side of the movable groove 9 and the inner side of the movable block 10. The telescopic spring 11 is movably sleeved on the outer side of the round shaft 6.
[0021] In use, the hook needs to be hung in a suitable position, and then the arc ring 4 and the arc ring 5 are pulled. The arc ring 4 drives the round shaft 6 to move outward inside the movable groove 9, and the movable block 10 drives the slider 14 to move outward inside the horizontal groove 12, thereby directly reducing the distance between the arc ring 4 and the arc ring 5. Then, the arc ring 4 is inserted into the inside of the arc groove 2, and the arc ring 5 is inserted into the inside of the limiting ring 3. At this time, the telescopic spring 11 releases its elastic potential energy to push the round shaft 6 back to its original position, thereby realizing the locking function.
[0022] By pulling the arc-shaped ring 4 and the arc-shaped ring 5, and then inserting the arc-shaped ring 4 into the inside of the arc groove 2, and then inserting the arc-shaped ring 5 into the inside of the limiting ring 3, the telescopic spring 11 releases its elastic potential energy to push the round shaft 6 back to its original position, thereby achieving the locking function. Compared with the traditional safety hook for high-altitude operations, this safety hook for high-altitude operations achieves the locking function by installing the arc-shaped ring 4 and the arc-shaped ring 5 at both ends of the safety hook 1, thus preventing the hook from falling off.
[0023] The circular shaft 6 has horizontal grooves 12 on both sides and a circular groove 13 on the inner side. The movable block 10 has sliders 14 fixedly installed on both sides inside the circular groove 13, and the circular groove 13 corresponds to the horizontal groove 12.
[0024] After the arc ring 4 and arc ring 5 are installed at both ends of the safety hook 1, rotate the round shaft 6 so that the round shaft 6 drives the movable block 10 to rotate inside the round groove 13, thereby disengaging the slider 14 from the transverse groove 12 and preventing loosening or separation.
[0025] The circular shaft 6 has positioning blocks 8 fixedly installed on both sides, and an indicator arrow 7 is provided above the arc-shaped ring 5.
[0026] By rotating the positioning block 8 to the direction corresponding to the indicator arrow 7, the length of the arc ring 4 and the arc ring 5 can be increased by pulling them.
[0027] The right end of the safety hook 1 is provided with an arc groove 2, which corresponds to the arc ring 4.
[0028] By placing the arc-shaped ring 4 inside the arc groove 2, the arc-shaped ring 4 is limited and prevented from moving up and down.
[0029] Among them, the left end of the safety hook 1 is provided with two limiting rings 3, which correspond to the arc-shaped ring 5.
[0030] By installing the arc-shaped ring 2 5 between the inner sides of the limiting ring 3, the limiting ring 3 limits the arc-shaped ring 2 5, preventing the arc-shaped ring 2 5 from moving up and down.
[0031] Working principle and usage process of this utility model:
[0032] In use, the hook needs to be hung in a suitable position, and then the arc ring 4 and the arc ring 5 are pulled. The arc ring 4 drives the round shaft 6 to move outward inside the movable groove 9, and the movable block 10 drives the slider 14 to move outward inside the horizontal groove 12, thereby directly reducing the distance between the arc ring 4 and the arc ring 5. Then, the arc ring 4 is inserted into the inside of the arc groove 2, and the arc ring 5 is inserted into the inside of the limiting ring 3. At this time, the telescopic spring 11 releases its elastic potential energy to push the round shaft 6 back to its original position, thereby realizing the locking function.
[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0034] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A safety hook for aerial work, comprising a safety hook (1), characterized in that: The right end of the safety hook (1) is provided with an arc-shaped ring one (4), the left end of the safety hook (1) is provided with an arc-shaped ring two (5), the inner side of the arc-shaped ring one (4) is rotatably installed with a round shaft (6), the inner side of the arc-shaped ring two (5) is provided with a movable slot (9), the round shaft (6) extends to the inner side of the movable slot (9), the front end of the round shaft (6) is fixedly installed with a movable block (10), the inner side of the movable slot (9) and the inner side of the movable block (10) are elastically installed with a telescopic spring (11), the telescopic spring (11) is movably sleeved on the outer side of the round shaft (6).
2. The safety hook according to claim 1, wherein: The two sides of the round shaft (6) are provided with transverse grooves (12), the inner side of the round shaft (6) is provided with a circular groove (13), the two sides of the movable block (10) are fixedly installed with sliding blocks (14) located in the circular groove (13), and the circular groove (13) corresponds to the transverse groove (12).
3. The safety hook according to claim 1, wherein: The two sides of the round shaft (6) are fixedly installed with positioning blocks (8), and the upper side of the arc-shaped ring two (5) is provided with an indicating arrow (7).
4. The safety hook according to claim 1, wherein: The right end of the safety hook (1) is provided with an arc groove (2), and the arc groove (2) corresponds to the arc-shaped ring one (4).
5. The safety hook according to claim 1, wherein: The left end of the safety hook (1) is provided with two limiting rings (3), and the limiting rings (3) correspond to the arc-shaped ring two (5).