Anti-falling safety hook for high-place operation

By designing the combination relationship between the hook, the small guard plate and the rivet in the safety hook, sharing the external force of the large guard plate, the problem that the existing safety hook is prone to damage when subjected to positive pressure is solved, and higher safety is achieved.

CN222585393UActive Publication Date: 2025-03-11KUNSHAN YOULIN SAFETY EQUIP CO LTD
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Patent Information

Application Number
CN202420821420.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-03-11
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

When the existing safety hooks withstand the positive pressure of the large protective plate, the openings of the hook and the large protective plate are easily destroyed, resulting in insufficient safety.

Method used

A high-altitude work anti-fall safety hook is designed to share the external force affected by the large protective plate through the combination of the hook, the small protective plate and the rivet. When the large guard plate undergoes positive pressure test, the large guard plate presses the rivets rivets rivets rivets on the small guard plate, and the rivets are close to the semicircular grooves on the hook body, dispersing the pressure during the positive pressure test of the large guard plate.

Benefits of technology

It effectively prevents damage to the hook and the large guard plate, improves the endurance of the safety hook when withstanding positive pressure, and enhances safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of safety hooks, and provides a high-place operation anti-falling safety hook which comprises a hook body and a rivet set, the rivet set comprises a first rivet, a second rivet and a third rivet, a connecting hole is formed in the end, away from a hook part, of the hook body, a semicircular groove is formed in the inner side of the end, close to a hook body hole, of the hook body, and a protection piece set is arranged at the top of the hook body. The protection piece set comprises a small protection piece and a large protection piece, the small protection piece is sleeved with the large protection piece, the small protection piece and the large protection piece are fixedly connected to the hook body through a plurality of rivet sets, the small protection piece is arranged on the periphery of the hook body, one side of the small protection piece is fixedly connected to the outer wall of the hook body through a first rivet, the other side of the small protection piece fixes the small protection piece and the large protection piece through a second rivet, and the second rivet penetrates through the semicircular groove. A locking part is arranged on the inner side of one end of the hook body away from the hook part. According to the anti-falling safety hook for high-place operation, external force borne by the large protection piece is shared through the combination relation of the hook body, the small protection piece and the rivet, and damage to the hook and the large protection piece is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of safety hooks, in particular to a high-altitude operation anti-falling safety hook. Background Art

[0002] With the continuous expansion of industrial development and construction and other fields, the demand for aerial work is also increasing. There is an extremely high risk of falling in aerial work. Once a fall accident occurs, it may cause serious injury or even life-threatening. The design and application of anti-fall safety hooks for aerial work are aimed at ensuring the safety of workers. By correctly wearing safety belts / safety ropes and fixing the safety hooks on reliable anchor points, it can effectively prevent workers from accidentally falling and minimize the risk of injury. At the same time, it can enhance the confidence and sense of security of workers and reduce their concerns about the risk of falling during work, which helps to improve work efficiency and enable workers to complete tasks more attentively, while reducing work errors caused by fear of falling.

[0003] However, the existing safety hooks share the positive pressure of the large guard plate with the small guard plate and the rivet, lack the sharing of the hook body, and the positive pressure of the large guard plate is small, resulting in the opening of the hook and the large guard plate being easily damaged. Utility Model Content

[0004] The utility model is achieved in this way: a safety hook for preventing falling from high places during operation, the safety hook for preventing falling from high places during operation comprises: a hook body and a rivet group, the rivet group comprises rivet one, rivet two and rivet three, the hook body is J-shaped, the inner wall of one end of the hook body close to the hook part is fixedly connected to a limited block, one end of the hook body away from the hook part is provided with a connecting hole, the inner side of one end of the hook body close to the hook body hole is provided with a semicircular groove, the top of the hook body is provided with a guard plate group, the guard plate group comprises a small guard plate and a large guard plate, the large guard plate is sleeved on the outside of the small guard plate, the small guard plate and the large guard plate are fixedly connected to the hook body through a plurality of rivet groups, the small guard plate is arranged on the outer periphery of the hook body, one side of the small guard plate is fixedly connected to the outer wall of the hook body through rivet one, and the other side fixes the small guard plate and the large guard plate through rivet two, the rivet two passes through the semicircular groove, and a locking portion is provided on the inner side of one end of the hook body away from the hook part.

[0005] Preferably, the limiting block is in the shape of a triangular prism.

[0006] Preferably, one end of the locking portion is rotatably connected to the hook body through rivet three, a sliding groove is provided on the side of the locking portion close to rivet three, rivet two passes through the sliding groove and slides in the sliding groove, and a limiting groove is provided on the end of the locking portion away from rivet two.

[0007] Preferably, the limiting groove is matched with the limiting block, and the limiting block is embedded in the limiting groove to lock the safety hook.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The anti-fall safety hook for high-altitude operations shares the external force exerted on the large guard plate through the combination of the hook body, the small guard plate and the rivet. When the large guard plate is subjected to a positive pressure test, the large guard plate presses the rivet riveted to the small guard plate. The rivet is close to the semicircular groove on the hook body, dispersing the pressure of the large guard plate during the positive pressure test and preventing damage to the hook and the large guard plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0012] Figure 2 This is a schematic diagram of the split structure of Example 1 of the utility model;

[0013] The numbers in the accompanying drawings are: 1, hook body; 2, small guard plate; 3, large guard plate; 4, locking portion; 5, slide groove; 6, rivet group; 601, rivet one; 602, rivet two; 603, rivet three. DETAILED DESCRIPTION

[0014] In order to more fully understand the technical content of the utility model, the technical solution of the utility model is further introduced and illustrated in conjunction with specific embodiments below, but it is not limited to this. The technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the utility model.

[0015] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0016] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] Example 1

[0018] refer to Figure 1 to Figure 2The anti-fall safety hook for high-altitude operations includes: a hook body 1, a small protective plate 2, a large protective plate 3, a locking portion 4, a slide groove 5 and a rivet group 6, the rivet group 6 includes a rivet 1 601, a rivet 2 602 and a rivet 3 603, the hook body 1 is J-shaped, and the inner wall of the end of the hook body 1 close to the hook portion is fixedly connected to a limiting block, the limiting block is in the shape of a triangular prism, a connecting hole is provided at the end of the hook body 1 away from the hook portion, a semicircular groove is provided on the inner side of the end of the hook body 1 close to the hole of the hook body 1, a protective plate group is provided on the top of the hook body 1, the protective plate group includes a small protective plate 2 and a large protective plate 3, the large protective plate 3 is sleeved on the outside of the small protective plate 2, the small protective plate 2 and the large protective plate 3 are fixedly connected to the hook body 1 through a plurality of rivet groups 6, the small protective plate 2 is arranged on the outer periphery of the hook body 1, and one side of the small protective plate 2 is fixedly connected to the outer wall of the hook body 1 through a rivet 1 601 , and the other side is fixed with the small guard plate 2 and the large guard plate 3 by the second rivet 602. The second rivet 602 passes through the semicircular groove. The rivet and the semicircular groove designed on the hook body 1 are subjected to force together. When the large guard plate 3 is subjected to positive pressure test, the large guard plate 3 presses the rivet riveted on the small guard plate 2. The rivet is close to the semicircular groove on the hook body to disperse the pressure of the large guard plate 3 during the positive pressure test. A locking portion 4 is provided on the inner side of the end of the hook body 1 away from the hook portion. One end of the locking portion 4 is rotatably connected to the hook body 1 through the third rivet 603. A sliding groove 5 is provided on the side of the locking portion 4 close to the third rivet 603. The second rivet 602 passes through the sliding groove 5 and slides in the sliding groove 5. A limiting groove is provided on the end of the locking portion 4 away from the second rivet 602. The limiting groove is adapted to the limiting block, and the limiting block is embedded in the limiting groove to lock the safety hook. When using the safety hook, push inward along the locking part 4 near the end of the limiting groove, and the locking part 4 rotates along the rivet three 603. At this time, the rivet two 602 slides along the slide groove 5, and the limiting groove of the locking part 4 is away from the limiting block at the end of the hook body 1. The safety hook opens, and the objects to be lifted are placed into the hook from the opening. Then, rotate the locking part 4 in the opposite direction, re-embed the limiting block into the limiting groove, and the safety hook is locked.

[0019] It should be noted that the standard parts used in this application document can be purchased from the market, and the specific connection methods of each part are all conventional means such as bolts, rivets, welding, etc.

[0020] The connection is carried out, and the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0021] The embodiments described above are only part of the embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any ordinary technician in the field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safety hook for preventing falling at height, characterized in that: The high-altitude operation anti-fall safety hook comprises: a hook body (1) and a rivet group (6), wherein the rivet group (6) comprises a rivet 1 (601), a rivet 2 (602) and a rivet 3 (603), the hook body (1) is J-shaped, the inner wall of one end of the hook body (1) close to the hook portion is fixedly connected to a limiting block, the end of the hook body (1) away from the hook portion is provided with a connecting hole, the inner side of one end of the hook body (1) close to the hook body (1) hole is provided with a semicircular groove, and the top of the hook body (1) is provided with a protective plate group, the protective plate group comprises a small protective plate 2 (2) and a large protective plate 3 (3), the large protective plate 3 (3) and the small protective plate 2 (2) are provided with a protective plate group, and the large protective plate 3 (3) is provided with a protective plate group. The plate 3 (3) is sleeved on the outside of the small protective plate 2 (2); the small protective plate 2 (2) and the large protective plate 3 (3) are fixedly connected to the hook body (1) through a plurality of rivet groups (6); the small protective plate 2 (2) is arranged on the outer periphery of the hook body (1); one side of the small protective plate 2 (2) is fixedly connected to the outer wall of the hook body (1) through rivet one (601); the other side of the small protective plate 2 (2) and the large protective plate 3 (3) are fixed through rivet two (602); the rivet two (602) passes through the semicircular groove; a locking portion (4) is arranged on the inner side of one end of the hook body (1) away from the hook portion.

2. The anti-fall safety hook for high-altitude operations as claimed in claim 1, characterized in that: The limiting block is in the shape of a triangular prism.

3. The anti-fall safety hook for high-altitude operations as claimed in claim 1, characterized in that: One end of the locking portion (4) is rotatably connected to the hook body (1) via rivet three (603); a sliding groove (5) is provided on a side of the locking portion (4) close to rivet three (603); rivet two (602) passes through the sliding groove (5) and slides in the sliding groove (5); and a limiting groove is provided on an end of the locking portion (4) away from rivet two (602).

4. The anti-fall safety hook for high-altitude operations as claimed in claim 3, characterized in that: The limiting groove is matched with the limiting block, and the limiting block is embedded in the limiting groove to lock the safety hook.