Hook with anti-falling structure
By combining the lifting adjustment rod and the anti-detachment stop bar, the problem of easy damage to traditional hooks is solved, and stable fixation under extreme conditions is achieved, thus improving safety.
Patent Information
- Application Number
- CN202520207312.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Traditional hooks' anti-slip structures are susceptible to external impacts or wear, leading to spring failure and baffle deformation, thus affecting safety.
It adopts a combination structure of lifting adjustment rod and anti-disengagement stop rod, and achieves double locking through the cooperation of adjustment sleeve and locking hole, replacing the traditional spring baffle structure.
The safety performance of the hooks has been improved, preventing goods from falling off due to vibration or external force during hoisting and ensuring that they can be firmly fixed even under extreme conditions.
Smart Images

Figure CN223704944U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of hooks, especially a hook with an anti-falling structure. BACKGROUND
[0002] There are various types of hooks, which can be classified as S-shaped hooks, J-shaped hooks, ring-shaped hooks, foldable hooks, etc. according to their uses and shapes. These hooks are usually made of metal or plastic materials. Metal hooks are widely used in industrial environments due to their high strength and corrosion resistance.
[0003] Currently, traditional hooks usually adopt a spring baffle anti-falling structure. Such a structure of the hook is prone to impact or wear during use, which may cause the spring to fail and break, and the baffle to be deformed and damaged by collision, thus greatly reducing the anti-falling function of the hook or even completely disabling it, which may cause hidden dangers in production safety.
[0004] Therefore, in view of the above problem that the anti-falling structure of the hook is prone to impact or wear during use, a hook with an anti-falling structure can be designed. The spring compression opening and closing mode of the traditional hook anti-falling structure is abandoned, and the opening and closing of the hook anti-falling mechanism is driven by adjusting the screw rod and the sleeve pipe, thus solving the above problem. SUMMARY
[0005] In order to overcome the problem that the traditional hook usually adopts a spring baffle anti-falling structure, which is prone to impact or wear during use, thus causing the spring to fail and break, and the baffle to be deformed and damaged by collision, thus greatly reducing the anti-falling function of the hook or even completely disabling it, which may cause hidden dangers in production safety.
[0006] The technical solution of the utility model is a hook with an anti-falling structure, which comprises a hook body, a lifting ring, and an anti-falling mechanism. The upper part of the hook body is matched with the anti-falling mechanism for preventing the falling of articles. The anti-falling mechanism comprises an anti-falling baffle. One end of the hook body is provided with a hook seat. The upper end of the hook seat is installed with a lifting adjusting rod for driving the anti-falling mechanism to rise and fall. The upper part of the lifting anti-falling rod is provided with a lifting ring for connecting a lifting device.
[0007] Preferably, the hook body, the lifting ring, and the anti-falling mechanism are combined. When working, the lifting device is connected through the lifting ring. The worker first hangs the cargo rope of the goods on the hook groove of the hook body, then adjusts the anti-falling mechanism downward through the lifting adjusting rod until the anti-falling baffle is buckled with the hook groove of the hook body, and then the lifting device drives the lifting ring to lift the goods.
[0008] As preferred, the hook body is provided with a butt joint groove at the end away from the hook base, a first lock hole is formed through the side wall of the butt joint groove, one end of the anti-falling stop rod extends into the interior of the butt joint groove, and the one end of the anti-falling stop rod is provided with a second lock hole corresponding to the first lock hole.
[0009] As preferred, the outer end of the lifting adjusting rod is provided with an adjusting sleeve for matching the anti-falling stop rod, the inner wall of the adjusting sleeve is provided with a second threaded sleeve, and the outer end of the lifting adjusting rod is provided with a first threaded groove corresponding to the second threaded sleeve.
[0010] As preferred, the outer end of the adjusting sleeve is provided with an outer embedded ring groove, the outer embedded ring groove is provided with a connecting ring sleeve, the outer end of the connecting ring sleeve is provided with a movable sleeve, and the side end center of the movable sleeve is provided with a movable hole.
[0011] As preferred, the one end of the anti-falling stop rod away from the second lock hole is provided with a movable groove accommodating the movable sleeve, the interior of the movable groove is provided with a movable shaft, and the movable shaft is located in the interior of the movable hole.
[0012] As preferred, the upper end of the lifting adjusting rod is provided with a connecting screw rod, the lifting adjusting rod and the connecting screw rod are provided with a limiting block, the lifting adjusting rod and the connecting screw rod are separated by the limiting block, and the outer end of the connecting screw rod is provided with a second threaded groove.
[0013] As preferred, the lifting ring is provided with a connecting seat below, the center of the connecting seat is provided with a connecting sleeve, the center of the connecting sleeve is provided with a connecting hole, the inner wall of the connecting hole is provided with a first threaded sleeve corresponding to the second threaded groove, and the two ends of the lifting ring extend to the two end surfaces of the connecting seat.
[0014] The hook with the anti-falling structure is designed, especially the combination of the lifting adjusting rod and the anti-falling stop rod is adopted, the traditional spring stop plate is replaced, the new structure not only avoids the problems of easy failure and broken spring of the spring, but also solves the hidden danger of deformation failure of the stop plate caused by collision, the anti-falling stop rod is double-locked through the cooperation of the first lock hole and the second lock hole, the goods will not fall off in the hoisting process due to vibration or external force, and the safety performance is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 The overall structure schematic diagram of the hook is shown;
[0016] Fig. 2 The hook body structure schematic diagram of the hook is shown;
[0017] Fig. 3 The lifting ring structure schematic diagram of the hook is shown;
[0018] Fig. 4 The anti-falling mechanism structure schematic diagram of the hook is shown.
[0019] Explanation of reference signs: 1, hook body; 2, hook base; 3, lifting adjusting rod; 4, anti-falling mechanism; 5, lifting ring; 6, connecting screw; 7, first threaded groove; 8, second threaded groove; 9, butt joint groove; 10, first lock hole; 11, connecting seat; 12, connecting sleeve; 13, connecting hole; 14, first threaded sleeve; 401, adjusting sleeve; 402, second threaded sleeve; 403, outer embedded ring groove; 404, connecting ring sleeve; 405, movable sleeve; 406, movable shaft; 407, anti-falling stop lever; 408, second lock hole. DETAILED DESCRIPTION
[0020] The utility model will be further explained in connection with the drawings and examples.
[0021] Please refer to Figs. 1-4 The utility model provides an embodiment: the hook with anti-falling structure, including hook body 1, lifting ring 5 and anti-falling mechanism 4, the top of hook body 1 is matched with the anti-falling mechanism 4 for preventing the article from unhooking, and the anti-falling mechanism 4 includes the anti-falling stop lever 407, one end of hook body 1 is equipped with the hook base 2, the upper end of hook base 2 is installed with the lifting adjusting rod 3 that drives the lifting adjustment of anti-falling mechanism 4, and the top of lifting anti-falling rod is equipped with the lifting ring 5 for connecting the hanging device.
[0022] Please refer to Figs. 1-2 In the embodiment, the end of hook body 1 away from hook base 2 is provided with butt joint groove 9, the sidewall of butt joint groove 9 is provided with first lock hole 10, one end of anti-falling stop lever extends to the inside of butt joint groove 9, one end of anti-falling stop lever is provided with second lock hole 408 corresponding to first lock hole 10, the outer end of lifting adjusting rod 3 is provided with adjusting sleeve 401 for matching anti-falling stop lever, the inner wall of adjusting sleeve 401 is provided with second threaded sleeve 402, and the outer end of lifting adjusting rod 3 is provided with first threaded groove 7 corresponding to second threaded sleeve 402, by the combination of hook body 1 and anti-falling stop lever, when working, staff can turn adjusting sleeve 401, and anti-falling stop lever 407 is adjusted downward by the cooperation of first threaded groove 7 and second threaded sleeve 402, along with one end of anti-falling stop lever 407 gradually extending to the inside of butt joint groove 9 and being buckled with hook groove, goods are firmly fixed, after anti-falling stop lever 407 is completely buckled into hook groove, can be further locked through first lock hole 10 and second lock hole 408, ensure that even under extreme conditions, accidental falling does not occur.
[0023] Please refer to Figs. 2-3In the embodiment, the upper end of the lifting adjusting rod 3 is provided with a connecting screw rod 6, a limiting block is arranged between the lifting adjusting rod 3 and the connecting screw rod 6, the lifting adjusting rod 3 and the connecting screw rod 6 are separated by the limiting block, the outer end of the connecting screw rod 6 is provided with a second screw groove 8, the lower end of the lifting ring 5 is provided with a connecting seat 11, the center of the connecting seat 11 is provided with a connecting sleeve 12, the center of the connecting sleeve 12 is provided with a connecting hole 13, the inner wall of the connecting hole 13 is provided with a first screw sleeve 14 corresponding to the second screw groove 8, the two ends of the lifting ring 5 extend to the two end surfaces of the connecting seat 11, and the second screw groove 8 is combined with the first screw sleeve 14, so that when working, the worker can align the connecting hole 13 of the connecting sleeve 12 with the connecting screw rod 6, and then twist the lifting ring 5, so that the lifting ring 5 is installed by the screwing cooperation of the first screw sleeve 14 and the second screw groove 8.
[0024] Please refer to Figs. 3-4 In the embodiment, the outer end of the adjusting sleeve 401 is provided with an outer embedded ring groove 403, the inner part of the outer embedded ring groove 403 is provided with a connecting ring sleeve 404, the outer end of the connecting ring sleeve 404 is provided with a movable sleeve 405, the side end center of the movable sleeve 405 is provided with a movable hole, the outer embedded ring groove 403 is combined with the connecting sleeve 12, so that the adjusting sleeve 401 does not drive the anti-escape stop rod to rotate when rotating and adjusting, the end of the anti-escape stop rod 407 away from the second lock hole 408 is provided with a movable groove accommodating the movable sleeve 405, the inner part of the movable groove is provided with a movable shaft 406, the movable shaft 406 is located in the inner part of the movable hole, and the movable groove is combined with the movable shaft 406, so that when not locked, the anti-escape stop rod can rotate and adjust the angle along the movable hole through the movable shaft 406, thereby avoiding that the anti-escape stop rod 407 is hooked by the goods.
[0025] When working, the worker first firmly connects the hook body 1 to the hoisting equipment through the lifting ring 5, and then hangs the goods rope on the hook groove of the hook body 1, at this time, the anti-escape stop rod 407 is in the raised state and is not buckled with the hook groove, which is convenient for loading the goods.
[0026] Then the worker can twist the adjusting sleeve 401, the anti-escape stop rod 407 is adjusted downward by the cooperation of the first screw groove 7 and the second screw sleeve 402, along with the end of the anti-escape stop rod 407 gradually extending into the inner part of the butt joint groove 9 and buckling with the hook groove, the goods are firmly fixed, and after the anti-escape stop rod 407 is completely buckled into the hook groove, it can be further locked through the first lock hole 10 and the second lock hole 408, so as to ensure that the goods will not accidentally fall off even in extreme conditions.
[0027] Then the hoisting equipment starts, and the whole hook and the goods are lifted by the lifting ring 5, and the anti-escape stop rod 407 always maintains close contact with the hook groove during the whole hoisting process, so as to ensure that the goods will not fall off due to vibration or external force.
[0028] After arriving at the designated location, the staff releases the fixing of the goods by rotating the adjusting sleeve 401 in the opposite direction along the lifting adjusting rod 3, and lifting the anti-falling stop rod 407. At this time, the anti-falling stop rod 407 is withdrawn from the hook groove and returns to the initial state.
[0029] Through the above steps, the present application is combined by the hook body 1, the lifting ring 5 and the anti-falling mechanism 4. When working, the lifting equipment is connected through the lifting ring 5. The staff first hangs the rope of the goods on the hook groove of the hook body 1, and then adjusts the anti-falling mechanism 4 downward through the lifting adjusting rod 3 until the anti-falling stop rod is buckled with the hook groove of the hook body 1. Then the lifting equipment drives the lifting ring 5 to lift the goods. The present application replaces the traditional spring stop plate by designing a hook with an anti-falling structure, especially by combining the lifting adjusting rod 3 and the anti-falling stop rod 407. This new structure not only avoids the problems of spring failure and broken spring, but also solves the hidden danger of deformation failure of the stop plate due to collision. The anti-falling stop rod 407 is double-locked through the cooperation of the first lock hole 10 and the second lock hole 408, ensuring that the goods will not fall off due to vibration or external force during lifting, greatly improving the safety performance.
Claims
1. A hook with an anti-detachment structure, comprising a hook body (1); characterized in that: It also includes a hook seat (2), an anti-detachment mechanism (4) and a hanging ring (5); the hook body (1) is matched with an anti-detachment mechanism (4) for preventing items from detaching. The anti-detachment mechanism (4) includes an anti-detachment stop bar (407). One end of the hook body (1) is provided with a hook seat (2). The upper end of the hook seat (2) is equipped with a lifting adjustment bar (3) for driving the anti-detachment mechanism (4) to move up and down. The upper part of the lifting anti-detachment bar is provided with a hanging ring (5) for connecting the hanging device.
2. The hook with an anti-detachment structure according to claim 1, characterized in that: The hook body (1) has a docking groove (9) at one end away from the hook seat (2). A first locking hole (10) is provided through the side wall of the docking groove (9). One end of the anti-disengagement rod extends into the interior of the docking groove (9). A second locking hole (408) corresponding to the first locking hole (10) is provided at one end of the anti-disengagement rod.
3. The hook with an anti-detachment structure according to claim 2, characterized in that: The outer end of the lifting adjustment rod (3) is provided with an adjustment sleeve (401) for matching the anti-disengagement rod. The inner wall of the adjustment sleeve (401) is provided with a second threaded sleeve (402). The outer end of the lifting adjustment rod (3) is provided with a first threaded groove (7) corresponding to the second threaded sleeve (402).
4. The hook with an anti-detachment structure according to claim 1, characterized in that: The outer end of the adjusting sleeve (401) is provided with an externally embedded annular groove (403), and a connecting ring sleeve (404) is fitted inside the externally embedded annular groove (403). A movable sleeve (405) is installed on the outer end of the connecting ring sleeve (404), and a movable hole is provided through the center of the side end of the movable sleeve (405).
5. The hook with an anti-detachment structure according to claim 4, characterized in that: The anti-detachment stop bar (407) has a movable groove for accommodating the movable sleeve (405) at the end away from the second lock hole (408). The movable groove is equipped with a movable shaft (406), which is located inside the movable hole.
6. The hook with an anti-detachment structure according to claim 1, characterized in that: The upper end of the lifting adjustment rod (3) is provided with a connecting screw (6), and a limiting block is provided between the lifting adjustment rod (3) and the connecting screw (6). The lifting adjustment rod (3) and the connecting screw (6) are separated by the limiting block, and a second threaded groove (8) is opened at the outer end of the connecting screw (6).
7. The hook with an anti-detachment structure according to claim 6, characterized in that: A connecting seat (11) is provided below the lifting ring (5). A connecting sleeve (12) is provided at the center of the connecting seat (11). A connecting hole (13) is provided at the center of the connecting sleeve (12). A first threaded sleeve (14) corresponding to the second threaded groove (8) is fitted on the inner wall of the connecting hole (13). The two ends of the lifting ring (5) extend to the two end surfaces of the connecting seat (11).