Rotary claw cargo hook with anti-falling effect
By designing the U-shaped block and fixed rod structure of the rotating sheep horn cargo hook, and using the elastic connection between the spring and the slide, the existing cargo hook needs tool installation and easy to fall off, achieving convenient installation and enhanced lifting safety.
Patent Information
- Application Number
- CN202421386582.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing sheep horn cargo hooks require tool assistance during installation and use, and the wire ropes are likely to fall off when lifting heavy or large goods, which poses safety hazards.
A rotating sheep horn cargo hook is designed, adopting a U-shaped block, a fixed rod, a threaded rod, and a spring connection structure. By rotating the single rod and a threaded rod, the elastic action of the spring is used to make the slider and the ball clamp, thereby achieving the clamping between the U-shaped block and the fixed rod, and avoiding the steel wire rope falling off.
It enables easy installation and removal of the cargo hook without tools, enhances the safety and anti-falling effect of the hook, and is suitable for lifting large goods of various weights and volumes.
Smart Images
Figure CN222556349U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hooks, in particular to a rotary ram-horn cargo hook with an anti-falling effect. Background Art
[0002] Cargo hooks occupy an important position in the freight industry. Cargo hooks are used to move cargo, and cranes and other equipment are used to connect cargo hooks. Cargo hooks are connected to cargo to move or lift cargo. Generally, the ram's horn cargo hooks used in freight transportation are equipped with buckles to prevent cargo from falling off.
[0003] In the prior art, general ram's horn cargo hooks need to be installed by means of expansion nails or latches, and the expansion nails need to be fixed by hammering with auxiliary tools such as hammers, which may cause the expansion nails to be damaged. In addition, the required type of expansion nails are not easy to purchase, and the installation and removal are inconvenient. Although the existing ram's horn cargo hooks are provided with buckles, when moving some heavy and oversized goods, the wire rope may fall off due to insufficient clamping of the buckle, which poses certain safety hazards. Therefore, a rotating ram's horn cargo hook with an anti-falling effect is proposed to solve the above problems. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a rotating horn cargo hook with an anti-falling effect, aiming to improve the problems of "requiring tool-assisted installation and easy to fall off" in the prior art.
[0005] The cam is connected to the rear surface of the U-shaped block by a spring, and the other end of the spring is fixedly connected to the right side of the moving rod.
[0006] As a further description of the above technical solution:
[0007] The bottom end of the U-shaped block is fixedly connected to a hook body, the left side of the hook body is fixedly connected to a rack, the outer wall of the rack is clamped with a clamping block, the rear surface of the clamping block is fixedly connected to a telescopic rod, the left side of the telescopic rod is fixedly connected to a slider 1, the right side of the telescopic rod is fixedly connected to a limiting block, the right side of the limiting block is provided with a sliding groove 2, the inner wall of the sliding groove 2 is rollingly connected with a cylinder, the right side of the cylinder is hinged with a disc, the right side of the disc is fixedly connected to the limiting rod, the outer wall of the limiting rod is slidably connected with a fixed block, the fixed block is fixedly connected to the inner wall of the hook body, the disc and the fixed block are elastically connected by a spring 2, one end of the spring 2 is fixedly connected to the right side of the disc, and the other end of the spring 2 is fixedly connected to the left side of the fixed block, the telescopic rod slides on the inner wall of the hook body, and the limiting rod slides on the inner wall of the hook body.
[0008] As a further description of the above technical solution:
[0009] One end of the spring three is fixedly connected to the rear surface of the slider two, and the other end of the spring three is fixedly connected to the front surface of the sphere. The sphere slides on the inner wall of the U-shaped block, and the sphere is clamped on the inner wall of the groove.
[0010] As a further description of the above technical solution:
[0011] The depth of the groove is set to one third of the sphere, and the groove is adapted to the sphere.
[0012] As a further description of the above technical solution:
[0013] The shape of the slider 2 is set to be a triangle, the left side of the moving rod is set to be a trapezoidal frustum, and the slider 2 is adapted to the moving rod.
[0014] As a further description of the above technical solution:
[0015] The right side surface of the limit block is arranged as an inclined surface.
[0016] As a further description of the above technical solution:
[0017] The shape of the clamping block is set to be a parallelogram, and the clamping block is adapted to the rack.
[0018] As a further description of the above technical solution:
[0019] The spring four, the slider two, the spring three and the sphere are arranged in multiple groups, and the multiple groups of the spring four, the slider two, the spring three and the sphere are arranged symmetrically about the central line symmetry axis of the fixing rod.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, the threaded rod is driven forward by rotating the straight rod, and the moving rod is squeezed by the spring 1, and the slider 2 is squeezed outward, so that the sphere is clamped with the groove, and the U-shaped block is clamped with the fixed rod, avoiding the need for installation and fixing by tools such as hammers, thereby improving the convenience of installation and improving work efficiency.
[0022] 2. In the utility model, the sliding slider 1 cooperates with the rack and the card block to drive the telescopic rod and the limit block to slide up and down, so that the cylinder rolls and contacts in the slide groove 2, pushing the disc and the limit rod to move forward. With the cooperation of the spring 2 and the fixed block, the limit rod cannot shrink due to the force, and the wire rope will not fall off when moving heavier or larger goods, thereby enhancing the safety of the hook and the anti-falling effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a rotating clevis cargo hook with an anti-falling effect in the utility model;
[0024] Figure 2 It is a schematic diagram of the U-shaped block cross-section of a rotating clevis cargo hook with an anti-falling effect in the utility model;
[0025] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of a fixing rod of a rotating clevis cargo hook with an anti-falling effect in the utility model;
[0026] Figure 4 The utility model is a rotating claw hook with an anti-falling effect. Figure 1 The enlarged three-dimensional structure diagram of part A in the middle;
[0027] Figure 5 It is a schematic diagram of the split three-dimensional structure of a slider, a limit block and a limit rod of a rotating clevis cargo hook with an anti-falling effect in the utility model;
[0028] Figure 6 The utility model is a rotating claw hook with an anti-falling effect. Figure 3 Part B in the middle is an enlarged schematic diagram of the three-dimensional structure.
[0029] Legend:
[0030] 1. Hook body; 2. U-shaped block; 3. Fixed rod; 4. Limit rod; 5. Threaded rod; 6. One-shaped rod; 7. Groove; 8. Moving rod; 9. Spring 1; 10. Slider 1; 11. Rack; 12. Block; 13. Telescopic rod; 14. Limit block; 15. Cylinder; 16. Disc; 17. Spring 2; 18. Fixed block; 19. Sphere; 20. Spring 3; 21. Spring 4; 22. Slide 1; 23. Slider 2; 24. Slide 2. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] Reference Figure 1 , Figure 2 , Figure 3 The utility model provides an embodiment: a rotating ram horn cargo hook with an anti-falling effect, comprising a U-shaped block 2, a fixing rod 3 is inserted on the right side of the U-shaped block 2, a groove 7 is opened on the inner wall of the U-shaped block 2, a threaded rod 5 is threadedly connected to the inner wall of the fixing rod 3, and the threaded rod 5 is moved forward and backward by rotating it, a straight rod 6 is fixedly connected to the right side of the threaded rod 5, and the rotation of the straight rod 6 drives the threaded rod 5 to rotate, the threaded rod 5 is elastically connected to the moving rod 8 through a spring 9, one end of the spring 9 contacts the left side of the threaded rod 5, and the other end of the spring 9 is fixedly connected to the right side of the moving rod 8, and the left side of the moving rod 8 contacts a slider 23, and the threaded rod 5 rotates to squeeze the spring 9 and the moving rod 8.
[0033] Reference Figure 6 The left side of the slider 23 is slidably connected with a slide groove 1 22, and the slide groove 1 22 is opened on the left side of the inner wall of the U-shaped block 2. The slider 23 slides to both sides in the slide groove 1 22. The slider 23 and the U-shaped block 2 are elastically connected through a spring 4 21. One end of the spring 4 21 is fixedly connected to the rear surface of the slider 23, and the other end of the spring 4 21 is fixedly connected to the rear surface of the inner wall of the U-shaped block 2. When the slider 23 is squeezed, the spring 4 21 is compressed. When the slider 23 is released and squeezed, the spring 4 21 will The compression generates a reaction force to reset the slider 23. The slider 23 is elastically connected to the ball 19 through the spring 3 20. One end of the spring 3 20 is fixedly connected to the rear surface of the slider 23, and the other end of the spring 3 20 is fixedly connected to the front surface of the ball 19. The ball 19 slides on the inner wall of the U-shaped block 2, and the ball 19 is clamped on the inner wall of the groove 7. When the ball 19 is squeezed and clamped with the groove 7, the spring 3 20 will be compressed to generate a reaction force, so that the ball 19 is clamped in the groove 7 and is not easy to slip.
[0034] Reference Figure 1 , Figure 4 , Figure 5A hook body 1 is fixedly connected to the bottom end of the U-shaped block 2, a rack 11 is fixedly connected to the left side of the hook body 1, a block 12 is clamped on the outer wall of the rack 11, the shape of the block 12 is set to be a parallelogram, the block 12 is adapted to the rack 11, and can only move in one direction, a telescopic rod 13 is fixedly connected to the rear surface of the block 12, a slider 10 is fixedly connected to the left side of the telescopic rod 13, a limit block 14 is fixedly connected to the right side of the telescopic rod 13, the slider 10 slides up and down to drive the limit block 14 to move up and down, a slide groove 24 is provided on the right side of the limit block 14, and a cylinder 15 is rollingly connected to the inner wall of the slide groove 24, the limit block 14 moves up and down to make the cylinder 15 roll in the slide groove 24, and the right side of the cylinder 15 is hinged A disc 16 is connected, and the right side of the disc 16 is fixedly connected to the limit rod 4. The outer wall of the limit rod 4 is slidably connected to the fixed block 18. When the cylinder 15 rolls in the second slide groove 24, the disc 16 is pushed to move, thereby pushing the limit rod 4 to slide back and forth on the inner wall of the fixed block 18. The fixed block 18 is fixedly connected to the inner wall of the hook body 1. The disc 16 and the fixed block 18 are elastically connected by the second spring 17. One end of the second spring 17 is fixedly connected to the right side of the disc 16, and the other end of the second spring 17 is fixedly connected to the left side of the fixed block 18. When the disc 16 is squeezed, the second spring 17 will be compressed to produce a reaction, making it difficult for the limit rod 4 to shrink. The telescopic rod 13 slides on the inner wall of the hook body 1, and the limit rod 4 slides on the inner wall of the hook body 1.
[0035] Reference Figure 2 , Figure 3 , Figure 4 The depth of the groove 7 is set to one third of the sphere 19. If it exceeds one third, the sphere 19 will be stuck. The groove 7 is adapted to the sphere 19. The shape of the slider 23 is set to a triangle. The left side of the moving rod 8 is set to a trapezoidal cone. The slider 23 is adapted to the moving rod 8. The moving rod 8 squeezes the slider 23. The right surface of the limit block 14 is set to an inclined surface. When the cylinder 15 rolls and contacts different inclined surfaces, the disc 16 is squeezed and relaxed.
[0036] Reference Figure 3 There are multiple groups of spring four 21, slider two 23, spring three 20, and ball 19, and the multiple groups of spring four 21, slider two 23, spring three 20, and ball 19 are symmetrically arranged about the center line symmetry axis of the fixed rod 3.
[0037] Working principle: When in use, bring the device to the place where work is required, insert the fixed rod 3 into the U-shaped block 2, and rotate the straight rod 6. Since the straight rod 6 and the threaded rod 5 are fixedly connected, and the threaded rod 5 and the fixed rod 3 are threadedly connected, rotating the straight rod 6 will cause the threaded rod 5 to enter the fixed rod 3, and the fixed rod 3 and the moving rod 8 are connected by a spring 9, one end of the spring 9 is connected to the left side of the threaded rod 5, and the other end of the spring 9 is connected to the right side of the moving rod 8. When the threaded rod 5 enters the fixed rod 3, the spring 9 will be compressed, thereby squeezing the moving rod 8 to move forward, squeezing the slider 23, so that the slider 23 slides to both sides in the slide groove 1 22, squeezing the spring 3 20 and the ball 19, so that the ball 19 is stuck in the groove 7, so that the fixed rod 3 and the U-shaped block 2 are stuck and will not fall off, and then the iron chain is passed through the gap between the fixed rod 3 and the U-shaped block 2 to connect the iron chain to the hook.
[0038] Hang the iron chain on the hook body 1, push the slider 10 to slide on the left side of the hook body 1, the right side of the slider 10 is fixedly connected with a telescopic rod 13, the outer wall of the telescopic rod 13 is fixedly connected with a clamping block 12, the right side of the telescopic rod 13 is fixedly connected with a limit block 14, and the left side of the hook body 1 is fixedly connected with a rack 11. When the slider 10 is pushed to slide upward, the clamping block 12 is clamped with the rack 11 to prevent the slider 10 from falling downward. A slide groove 24 is provided on the right side of the limit block 14. 15 rolls in contact with the inner wall of the second slide groove 24, the cylinder 15 and the disc 16 are hinged, the right side of the disc 16 is fixedly connected with the limit rod 4, the limit rod 4 is slidably connected to the inner wall of the fixed block 18, the disc 16 and the fixed block 18 are elastically connected by the second spring 17, when the slider 10 is pushed to slide upward, the limit block 14 is driven to move upward, the disc 16 is squeezed, and at the same time the second spring 17 is squeezed, so that the limit rod 4 moves forward and contacts with the hook body 1, so that the chain will not fall off.
[0039] When the chain needs to be removed, the slider 10 is pulled outward to release the engagement between the clamping block 12 and the rack 11, and the slider 10 is slid downward to drive the limit block 14 to slide downward. The spring 2 17 is squeezed and contracted to generate a reaction force, which will reset the disc 16 and the limit rod 4, and then the chain can be removed.
[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A rotating clevis cargo hook with an anti-falling effect, comprising a U-shaped block (2), characterized in that: A fixing rod (3) is inserted into the right side of the U-shaped block (2); a groove (7) is provided on the inner wall of the U-shaped block (2); a threaded rod (5) is threadedly connected to the inner wall of the fixing rod (3); a straight rod (6) is fixedly connected to the right side of the threaded rod (5); the threaded rod (5) is elastically connected to a moving rod (8) via a spring (9); one end of the spring (9) contacts the left side of the threaded rod (5); the other end of the spring (9) is fixedly connected to the right side of the moving rod (8); the left side of the moving rod (8) contacts the There is a slider 2 (23), the left side of the slider 2 (23) is slidably connected to a slide groove 1 (22), the slide groove 1 (22) is arranged on the left side of the inner wall of the U-shaped block (2), the slider 2 (23) and the U-shaped block (2) are elastically connected through a spring 4 (21), one end of the spring 4 (21) is fixedly connected to the rear surface of the slider 2 (23), and the other end of the spring 4 (21) is fixedly connected to the rear surface of the inner wall of the U-shaped block (2), and the slider 2 (23) is elastically connected to a ball (19) through a spring 3 (20).
2. The rotating clevis cargo hook with anti-falling effect according to claim 1, characterized in that: The bottom end of the U-shaped block (2) is fixedly connected to a hook body (1), the left side of the hook body (1) is fixedly connected to a rack (11), the outer wall of the rack (11) is clamped with a clamping block (12), the rear surface of the clamping block (12) is fixedly connected to a telescopic rod (13), the left side of the telescopic rod (13) is fixedly connected to a slider (10), the right side of the telescopic rod (13) is fixedly connected to a limit block (14), the right side of the limit block (14) is provided with a slide groove (24), the inner wall of the slide groove (24) is rollingly connected to a cylinder (15), and the right side of the cylinder (15) is hinged with a disc (16), the right side of the disk (16) is fixedly connected to a limiting rod (4), the outer wall of the limiting rod (4) is slidably connected to a fixing block (18), the fixing block (18) is fixedly connected to the inner wall of the hook body (1), the disk (16) and the fixing block (18) are elastically connected via a second spring (17), one end of the second spring (17) is fixedly connected to the right side of the disk (16), and the other end of the second spring (17) is fixedly connected to the left side of the fixing block (18), the telescopic rod (13) slides on the inner wall of the hook body (1), and the limiting rod (4) slides on the inner wall of the hook body (1).
3. The rotating clevis cargo hook with anti-falling effect according to claim 1, characterized in that: One end of the spring three (20) is fixedly connected to the rear surface of the slider two (23), and the other end of the spring three (20) is fixedly connected to the front surface of the ball (19). The ball (19) slides on the inner wall of the U-shaped block (2), and the ball (19) is clamped on the inner wall of the groove (7).
4. The rotating clevis cargo hook with anti-falling effect according to claim 1, characterized in that: The depth of the groove (7) is set to one third of the depth of the sphere (19), and the groove (7) is adapted to the sphere (19).
5. The rotating clevis cargo hook with anti-falling effect according to claim 1, characterized in that: The shape of the second slider (23) is set to be a triangle, the left side of the moving rod (8) is set to be a trapezoidal frustum, and the second slider (23) is adapted to the moving rod (8).
6. The rotating clevis cargo hook with anti-falling effect according to claim 2, characterized in that: The right side surface of the limiting block (14) is arranged as an inclined surface.
7. The rotating clevis cargo hook with anti-falling effect according to claim 2, characterized in that: The shape of the clamping block (12) is set to be a parallelogram, and the clamping block (12) is adapted to the rack (11).
8. The rotating clevis cargo hook with anti-falling effect according to claim 1, characterized in that: The spring four (21), the slider two (23), the spring three (20), and the ball (19) are arranged in multiple groups, and the multiple groups of the spring four (21), the slider two (23), the spring three (20), and the ball (19) are symmetrically arranged about the central line symmetry axis of the fixing rod (3).