CN219197874U

CN219197874U - Self-locking pull rod hook

Info

Publication number: CN219197874U
Application number: CN202320273395.7U
Authority: CN
Inventors: 葛志山; 宗桂波; 宗桂玉
Original assignee: Qingdao Baiyuan Tongda Tools Co ltd
Current assignee: Qingdao Baiyuan Tongda Tools Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-16
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to the technical field of hooks, and discloses a self-locking pull rod hook which comprises a pull rod and a hook, wherein an abdication groove is formed in the upper surface of the pull rod, a first oblique block is connected to the inner wall of the abdication groove in a sliding mode, a first spring is fixedly connected to the bottom of the first oblique block, and one end, away from the first oblique block, of the first spring is fixedly connected with the bottom of the abdication groove. According to the utility model, the first inclined block is matched with the first spring and the like for use, when the rope is hooked into the hook, the rope can directly press the first inclined block, so that the first inclined block moves downwards, the rope can directly enter the hook, the first inclined block can be opened without redundant operation, convenience and rapidness are realized, and after the rope enters the hook, the first spring can push the first inclined block to reset.

Description

Self-locking pull rod hook

Technical Field

The utility model relates to the technical field of hooks, in particular to a self-locking pull rod hook.

Background

At present, the traditional hook is unreasonable in design, small in strength, convenient to install, free of self-locking function, easy to loose and fall, has certain potential safety hazards, and is difficult to meet the requirements of users.

The utility model provides an in the public self-locking pull rod couple of authority bulletin number CN206738373U, includes couple, self-locking buckle and pull rod, the couple sets up in the upper end of couple base the inboard of couple is equipped with couple arc contact surface, the couple base passes through threaded connection head threaded connection at the both ends of pull rod, self-locking buckle and couple base pass through interior hexagonal pin swing joint, the elastomer of laying in the elastomer standing groove of seting up of self-locking buckle bottom is fixed in the inside of couple base, the both sides of self-locking buckle are equipped with first hasp angle and second hasp angle respectively, be provided with hasp arc contact surface between first hasp angle and the second hasp angle. The utility model has reasonable structural design, the hook is clamped in the locking position without being started in advance, the simple and quick fastening and loosening design is adopted, the disassembly and the assembly are convenient, the contact surface is large, the firm connection is ensured, the rhinoceros hook is very durable, and the utility model is suitable for being used in hard environment and condition and can effectively prevent loosening and falling down; when the novel lock catch is used, the second lock catch angle is manually pressed to be used, so that inconvenience is brought to the use of the novel lock catch.

Therefore, we propose a self-locking pull rod hook to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problem that the second locking angle is manually pressed to be used in the prior art, so that inconvenience is brought to the use of the second locking angle, and provides the self-locking pull rod hook.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a self-locking pull rod couple, includes pull rod and couple, the upper surface of pull rod has been seted up and has been stepped down the groove, and the inner wall sliding connection who steps down the groove has first oblique shape piece, the bottom fixedly connected with first spring of first oblique shape piece, and the one end and the tank bottom fixed connection that steps down of first oblique shape piece are kept away from to first spring, the bar groove with step down the groove intercommunication has been seted up to the outer wall of pull rod, and the inner wall sliding connection in bar groove has the depression bar, the one end and the first oblique shape piece fixed connection of depression bar, the recess that matches with first oblique shape piece one end has been seted up to the one end of couple, and set up the cavity in the couple, be provided with in the cavity and assist the latch fitting.

Preferably, the auxiliary lock piece comprises a piston, and the piston is connected with the inner wall of the cavity in a sliding manner, the lower surface of the piston is fixedly connected with a connecting rod, one end of the connecting rod penetrates through the cavity, a sliding groove is formed in the inner wall of the pull rod, the inner wall of the sliding groove is slidably connected with a second oblique block, a second spring and an inserting rod are fixedly connected to one side wall of the second oblique block respectively, one end of the second spring is fixedly connected with the bottom of the sliding groove, one end of the inserting rod penetrates through the sliding groove, a slot matched with one end of the inserting rod is formed in the outer wall of the first oblique block, a through hole for communicating the cavity with the sliding groove is formed in the hook, and a vertical rod is slidably connected to the inner wall of the through hole.

Preferably, a clamping groove is formed in the lower surface of the vertical rod, and balls are arranged in the clamping groove.

Preferably, the outer wall fixing sleeve of the vertical rod is provided with a soft sleeve, and the outer wall of the soft sleeve is in interference fit with the inner wall of the through hole.

Preferably, the lower surface of the connecting rod is fixedly connected with a pressing plate.

Preferably, one end of the compression bar is fixedly connected with a pressing block, and an anti-skid groove is formed in the upper surface of the pressing block.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the first oblique block is matched with the first spring and the like for use, when the rope is hooked into the hook, the rope can directly press the first oblique block, so that the first oblique block moves downwards, the rope can directly enter the hook, the first oblique block can be opened without redundant operation, convenience and rapidness are realized, and after the rope enters the hook, the first spring can push the first oblique block to reset; and through setting up the auxiliary locking piece, when the atress rope in the couple receives the pulling force, the rope can press the auxiliary locking piece, makes the auxiliary locking piece pin first oblique shape piece to avoid first oblique shape piece probably by unexpected opening, and then make the rope probably drop the problem of couple, improve the security of this couple; when the rope in the hook needs to be taken down, the pressing rod can be pressed, so that the pressing rod drives the first oblique block to move downwards, and then the first oblique block slides into the yielding groove, and the rope can be taken down.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a self-locking pull rod hook according to the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic view of a partial cross-sectional structure of a self-locking tie hook according to the present utility model;

fig. 4 is a schematic view of the structure of a vertical rod of the self-locking pull rod hook provided by the utility model.

In the figure: 1. a pull rod; 2. a hook; 3. a relief groove; 4. a first diagonal block; 5. a first spring; 6. a bar-shaped groove; 7. a compression bar; 8. a piston; 9. a connecting rod; 10. a chute; 11. a second diagonal block; 12. a second spring; 13. a rod; 14. a slot; 15. a through hole; 16. a vertical rod; 17. a ball; 18. briquetting; 19. a cavity; 20. and (5) pressing plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the self-locking pull rod hook comprises a pull rod 1 and a hook 2, wherein an abdication groove 3 is formed in the upper surface of the pull rod 1, a first oblique block 4 is slidably connected to the inner wall of the abdication groove 3, a first spring 5 is fixedly connected to the bottom of the first oblique block 4, one end, away from the first oblique block 4, of the first spring 5 is fixedly connected with the bottom of the abdication groove 3, a bar-shaped groove 6 communicated with the abdication groove 3 is formed in the outer wall of the pull rod 1, a pressure rod 7 is slidably connected to the inner wall of the bar-shaped groove 6, one end of the pressure rod 7 is fixedly connected with the first oblique block 4, a groove matched with one end of the first oblique block 4 is formed in one end of the hook 2, a cavity 19 is formed in the hook 2, and an auxiliary locking piece is arranged in the cavity 19.

The structure can be seen from the above: when the novel hook is used, when a rope is hooked into the hook 2, the rope can directly press the first inclined block 4, so that the first inclined block 4 moves downwards, the rope can directly enter the hook 2, the first inclined block 4 can be opened without redundant operation, convenience and rapidness are realized, and after the rope enters the hook 2, the first spring 5 can push the first inclined block 4 to reset; and through setting up the auxiliary locking piece, when the atress rope in couple 2 receives the pulling force, the rope can press the auxiliary locking piece, makes the auxiliary locking piece pin first oblique shape piece 4 to avoid first oblique shape piece 4 probably to be opened by accident, and then make the rope probably drop the problem of couple 2, improve the security of this couple 2; when the rope in the hook 2 needs to be taken down, the pressing rod 7 can be pressed, so that the pressing rod 7 drives the first oblique block 4 to move downwards, and then the first oblique block 4 slides into the yielding groove 3, and the rope can be taken down.

Further, the auxiliary locking piece comprises a piston 8, the piston 8 is in sliding connection with the inner wall of a cavity 19, the lower surface of the piston 8 is fixedly connected with a connecting rod 9, one end of the connecting rod 9 penetrates through the cavity 19, a sliding groove 10 is formed in the inner wall of the pull rod 1, a second inclined block 11 is in sliding connection with the inner wall of the sliding groove 10, a second spring 12 and an inserting rod 13 are fixedly connected to one side wall of the second inclined block 11 respectively, one end of the second spring 12 is fixedly connected with the bottom of the sliding groove 10, one end of the inserting rod 13 penetrates through the sliding groove 10, a slot 14 matched with one end of the inserting rod 13 is formed in the outer wall of the first inclined block 4, a through hole 15 for communicating the cavity 19 with the sliding groove 10 is formed in the hook 2, and a vertical rod 16 is connected to the inner wall of the through hole 15 in a sliding manner; through setting up piston 8, connecting rod 9, second diagonal piece 11 and inserted bar 13 etc. cooperation use, can be when the atress rope in couple 2 receives the pulling force, the rope can press connecting rod 9, the connecting rod 9 of removal drives piston 8 and removes, the air in the piston 8 compression cavity 19 of removal, and then make the atmospheric pressure in the cavity 19 rise, the montant 16 can be pressed to the atmospheric pressure that rises, the montant 16 of removal presses second diagonal piece 11 and inserted bar 13, and then make the one end of inserted bar 13 insert in the slot 14 of first diagonal piece 4 outer wall, pin first diagonal piece 4, in order to avoid first diagonal piece 4 to be opened by accident, and then make the problem that the rope can drop couple 2, improve the security of this couple 2.

Further, a clamping groove is formed in the lower surface of the vertical rod 16, and a ball 17 is arranged in the clamping groove; by arranging the balls 17, the friction force between one end of the vertical rod 16 and the outer wall of the second inclined block 11 can be reduced, and the vertical rod 16 can conveniently press the second inclined block 11.

Further, a soft sleeve is fixedly sleeved on the outer wall of the vertical rod 16, and the outer wall of the soft sleeve is in interference fit with the inner wall of the through hole 15; by providing a soft sleeve, the tightness of the vertical bar 16 can be increased.

Further, the lower surface of the connecting rod 9 is fixedly connected with a pressing plate 20; by providing the pressure plate 20, the area of one end of the connecting rod 9 can be increased, and the connecting rod 9 can be conveniently pressed by the rope.

Further, one end of the compression bar 7 is fixedly connected with a pressing block 18, and the upper surface of the pressing block 18 is provided with an anti-skid groove; by arranging the pressing block 18, the pressing rod 7 can be pressed by pressing the pressing block 18, and the friction force of the pressing block 18 can be increased by opening the anti-skid groove, so that the pressing block 18 can be pressed conveniently.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-locking pull rod hook, includes pull rod (1) and couple (2), a serial communication port, the upper surface of pull rod (1) has been seted up and has been stepped down groove (3), and the inner wall sliding connection who steps down groove (3) has first oblique shape piece (4), the bottom fixedly connected with first spring (5) of first oblique shape piece (4), and the one end that first spring (5) kept away from first oblique shape piece (4) and the fixed connection of step down groove (3) bottom, bar groove (6) with step down groove (3) intercommunication are seted up to the outer wall of pull rod (1), and the inner wall sliding connection of bar groove (6) has depression bar (7), the one end and the fixed connection of first oblique shape piece (4) of depression bar (7), the recess that matches with first oblique shape piece (4) one end has been seted up to the one end of couple (2), and cavity (19) have been seted up in couple (2), be provided with in cavity (19) and assist the latch fitting;

the auxiliary lock piece comprises a piston (8), and the piston (8) is connected with the inner wall of a cavity (19) in a sliding manner, a connecting rod (9) is fixedly connected to the lower surface of the piston (8), one end of the connecting rod (9) penetrates through the cavity (19), a sliding groove (10) is formed in the inner wall of the pull rod (1), a second inclined block (11) is connected with the inner wall of the sliding groove (10) in a sliding manner, a second spring (12) and an inserting rod (13) are fixedly connected to one side wall of the second inclined block (11) respectively, one end of the second spring (12) is fixedly connected with the bottom of the sliding groove (10), one end of the inserting rod (13) penetrates through the sliding groove (10) to be arranged, a slot (14) matched with one end of the inserting rod (13) is formed in the outer wall of the first inclined block (4), a through hole (15) communicated with the cavity (19) and the sliding groove (10) is formed in the inner wall of the hook (2), and a vertical rod (16) is connected to the inner wall of the through hole (15) in a sliding manner.

2. The self-locking pull rod hook according to claim 1, wherein the lower surface of the vertical rod (16) is provided with a clamping groove, and a ball (17) is arranged in the clamping groove.

3. The self-locking pull rod hook according to claim 1, wherein the outer wall fixing sleeve of the vertical rod (16) is provided with a soft sleeve, and the outer wall of the soft sleeve is in interference fit with the inner wall of the through hole (15).

4. The self-locking pull rod hook according to claim 1, wherein the lower surface of the connecting rod (9) is fixedly connected with a pressing plate (20).

5. The self-locking pull rod hook according to claim 1, wherein one end of the pressure rod (7) is fixedly connected with a pressing block (18), and an anti-slip groove is formed in the upper surface of the pressing block (18).