Anti-loose fixing structure for air inlet of jackhammer

Abstract

The utility model relates to the technical field of jackhammer air inlet looseness prevention, and discloses a jackhammer air inlet looseness prevention fixing structure which comprises a jackhammer air inlet connector and a looseness prevention component arranged on one side of the jackhammer air inlet connector, a wear-resisting component is further arranged on the outer side of the looseness prevention component, a lantern ring is fixed to the outer side of the jackhammer air inlet connector, and a handheld U-shaped clamp is arranged on the outer side of the wear-resisting component. The air inlet connector of the pneumatic hammer can be installed in the installation groove, penetrates through the handle of the pneumatic hammer and can be fixed through cooperation of the threaded rod and the screw cap, meanwhile, when the screw cap rotates on the threaded rod in a threaded mode, the insertion ring can be inserted into the installation groove, the insertion ring is fixed through the anti-loosening bolt, the screw cap can be reinforced, and the anti-loosening purpose of the air inlet connector of the pneumatic hammer can be achieved. The service life of the pneumatic hammer is prolonged, the maintenance cost is reduced, the accident that the air pipe falls off to hurt people due to the fact that the connector slips is eradicated, lubricating oil is injected into the inner cavity from the oil inlet and can be discharged from the oil discharging hole, the lubricating oil can be distributed on the screw cap and the threaded rod, and the lubricating purpose can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-loosening of air cannon air inlets, in particular to an anti-loosening fixing structure of an air cannon air inlet. Background Art

[0002] An air cannon is a tool driven by compressed air. The air inlet of the air cannon is an important component of its design. It is mainly used to connect to the compressed air source. The air inlet is equipped with a filter to prevent dust and impurities from entering, thereby protecting internal components and extending the service life of the air cannon.

[0003] At present, during the use of air cannons, since the air cannons are prone to vibration during operation, the air inlet and the air cannon nut are worn and damaged over a long period of time, resulting in air leakage, which poses certain safety risks and affects the safety of use.

[0004] Therefore, we propose an anti-loosening and fixing structure for the air inlet of the wind gun in order to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-loosening fixing structure for the air inlet of an air gun, so as to solve the problem raised in the above background technology that the air gun is prone to vibration during operation, causing the air inlet and the air gun nut to wear and be damaged over a long period of time, resulting in air leakage, posing certain safety risks and affecting the safety of use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-loosening and fixing structure for an air cannon air inlet, comprising an air cannon air inlet joint and an anti-loosening component arranged on one side of the air cannon air inlet joint, a wear-resistant component is further provided on the outside of the anti-loosening component, the wear-resistant component is used to protect the anti-loosening component, the anti-loosening component comprises a collar mounted on the outside of the air cannon air inlet joint and hanging ears arranged on the left and right sides of the collar, the anti-loosening component also comprises a clamp, the clamp is placed on one side of the collar, a threaded rod is provided on one side of the clamp, a nut is provided on the outer thread sleeve of the threaded rod, the threaded rod passes through the hanging ear and is fixed by the nut, an anti-loosening part is further provided on the side wall of the hanging ear, the anti-loosening part is used to reinforce and prevent loosening, the clamp can pass through the air cannon handle, and then the provided nut is used to fasten the air cannon air inlet joint to prevent loosening.

[0007] Preferably, an insert ring is provided on one side of the screw nut close to the ear portion, an oil inlet is provided on one side of the screw nut, an inner cavity is provided inside the screw nut, the oil inlet and the inner cavity are communicated, and oil drain holes are evenly provided on the inner wall of the screw nut. Lubricating oil is injected into the inner cavity from the oil inlet and can be discharged from the oil drain holes.

[0008] Preferably, the anti-loosening member includes a mounting groove provided on the surface of the hanging ear portion and an anti-loosening bolt provided on the side wall of the hanging ear portion.

[0009] Preferably, the insertion ring and the installation groove are adapted to each other. When the screw cap is rotated threadedly on the threaded rod, the insertion ring can be inserted into the installation groove.

[0010] Preferably, an anti-rust layer for anti-rust protection is coated on the outer walls of both the clamping holder and the threaded rod.

[0011] Preferably, the wear-resistant member includes a wear-resistant cover and a sealing layer provided on the side wall of the wear-resistant cover. There are two groups of wear-resistant covers. Installation blocks are installed on the outer walls of the two groups of sealing layers. Installation bolts are provided on the surfaces of the installation blocks. The two groups of wear-resistant covers are sleeved outside the clamping holder, and the adjacent installation blocks are aligned and fixed by the installation bolts.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By providing the pneumatic tool air inlet joint and the anti-loosening member, the anti-loosening member can fix the pneumatic tool air inlet joint and reinforce it with the anti-loosening piece, achieving the purpose of preventing loosening of the pneumatic tool air inlet joint, extending the service life of the pneumatic tool, reducing maintenance costs, and eliminating the accident of the air duct falling off and injuring people caused by the joint slipping, and the use is relatively safe.

[0014] 2. By providing the wear-resistant member, fixing the two groups of wear-resistant covers on the outside of the clamping holder can protect the clamping holder, and the provided sealing layer can play a sealing role, which can prevent the clamping holder from contacting the pneumatic tool handle, thereby reducing wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;

[0016] Figure 2 is the three-dimensional structure schematic diagram of the anti-loosening member of the present utility model;

[0017] Figure 3 is the three-dimensional structure schematic diagram of the anti-loosening piece of the present utility model;

[0018] Figure 4 is the Figure 3 enlarged structure schematic diagram at A in the present utility model.

[0019] In the figure: 1. Pneumatic tool air inlet joint; 2. Anti-loosening member; 21. Sleeve ring; 22. Hanging ear part; 23. Clamping holder; 231. Anti-rust layer; 24. Threaded rod; 25. Screw cap; 251. Oil inlet; 252. Inner cavity; 253. Oil drain hole; 254. Insertion ring; 26. Anti-loosening piece; 261. Installation groove; 262. Anti-loosening bolt; 3. Wear-resistant member; 31. Wear-resistant cover; 32. Sealing layer; 33. Installation block; 34. Installation bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Embodiment 1: Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a loosening prevention and fixing structure for the air inlet of an air impact wrench, which includes an air impact wrench air inlet joint 1 and a loosening prevention member 2 arranged on one side of the air impact wrench air inlet joint 1. A wear-resistant member 3 is further arranged on the outer side of the loosening prevention member 2, and the wear-resistant member 3 is used to protect the loosening prevention member 2. The loosening prevention member 2 includes a collar 21 sleeved on the outer side of the air impact wrench air inlet joint 1 and hanging ears 22 arranged on the left and right sides of the collar 21. The loosening prevention member 2 further includes a clamp 23. The clamp 23 is placed on one side of the collar 21. A threaded rod 24 is arranged on one side of the clamp 23. A nut 25 is threadedly sleeved on the outer side of the threaded rod 24. The threaded rod 24 passes through the hanging ear 22 and is fixed by the nut 25. A loosening prevention part 26 is further arranged on the side wall of the hanging ear 22, and the loosening prevention part 26 is used for reinforcement and loosening prevention. The clamp 23 can pass through the handle of the air impact wrench, and then the air impact wrench air inlet joint 1 is fastened by the arranged nut 25 to prevent loosening, prolong the service life of the air impact wrench, reduce the maintenance cost, and prevent the accident of the air duct falling off and hurting people caused by the thread slipping of the joint.

[0022] An insertion ring 254 is arranged on the side of the nut 25 close to the hanging ear 22. An oil inlet 251 is arranged on one side of the nut 25. An inner cavity 252 is opened inside the nut 25. The oil inlet 251 is communicated with the inner cavity 252. Oil discharge holes 253 are evenly opened on the inner wall of the nut 25. By injecting lubricating oil into the inner cavity 252 from the oil inlet 251, it can be discharged from the oil discharge holes 253, so that the lubricating oil can be distributed on the nut 25 and the threaded rod 24, the purpose of lubrication can be achieved, the friction can be reduced, it is beneficial to disassemble and assemble the nut 25, and the smoothness during disassembly can be improved.

[0023] The loosening prevention part 26 includes an installation groove 261 opened on the surface of the hanging ear 22 and a loosening prevention bolt 262 arranged on the side wall of the hanging ear 22. The loosening prevention bolt 262 can be threadedly installed on the hanging ear 22.

[0024] The insertion ring 254 is adapted to the installation groove 261. When the nut 25 is rotated threadedly on the threaded rod 24, the insertion ring 254 can be inserted into the installation groove 261, and the insertion ring 254 is fixed by means of the loosening prevention bolt 262, so as to realize the reinforcement of the nut 25 and make the overall fixing effect better.

[0025] An anti-rust layer 231 for anti-rust protection is coated on the outer walls of the clamping collar 23 and the threaded rod 24. The cross-section of the clamping collar 23 is in a U-shaped structure and can pass through the handle of the pneumatic tool.

[0026] In this embodiment: The collar 21 is fixed on the outside of the air inlet joint 1 of the pneumatic tool. Then, hold the U-shaped clamping collar and pass it through the handle of the pneumatic tool. Then, through the cooperation of the threaded rod 24 and the nut 25, it can be fixed. At the same time, when the nut 25 is rotated threadedly on the threaded rod 24, the insertion ring 254 can be inserted into the installation groove 261, and the anti-loosening bolt 262 is used to fix the insertion ring 254, which can reinforce the nut 25, so as to achieve the purpose of preventing loosening of the air inlet joint 1 of the pneumatic tool, extend the service life of the pneumatic tool, reduce maintenance costs, prevent the accident of the air duct falling off and hurting people caused by the thread slipping of the joint, and is relatively safe to use. And lubricating oil is injected into the inner cavity 252 from the oil inlet 251 and can be discharged from the oil drain hole 253, so that the lubricating oil can be distributed on the nut 25 and the threaded rod 24, which can achieve the purpose of lubrication, reduce friction, facilitate the disassembly and assembly of the nut 25, improve the smoothness during disassembly, and can be reused.

[0027] Embodiment 2: This embodiment is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figure 2 , the wear-resistant member 3 includes a wear-resistant cover 31 and a sealing layer 32 provided on the side wall of the wear-resistant cover 31. There are two groups of wear-resistant covers 31. Installation blocks 33 are installed on the outer walls of the two groups of sealing layers 32. Installation bolts 34 are provided on the surfaces of the installation blocks 33. The two groups of wear-resistant covers 31 are sleeved outside the clamping collar 23, and the adjacent installation blocks 33 are aligned and fixed by using the installation bolts 34, so that the two groups of wear-resistant covers 31 can be fixed on the outside of the clamping collar 23, which can protect the clamping collar 23, and the provided sealing layer 32 can play a sealing role to prevent moisture from entering through the gap between the two groups of wear-resistant covers 31.

[0028] In this embodiment: Before using the clamping collar 23, the two groups of wear-resistant covers 31 are sleeved outside the clamping collar 23, and the adjacent installation blocks 33 are aligned and fixed by using the installation bolts 34, so that the two groups of wear-resistant covers 31 can be fixed on the outside of the clamping collar 23, which can protect the clamping collar 23, and the provided sealing layer 32 can play a sealing role and can block the contact between the clamping collar 23 and the handle of the pneumatic tool, thereby reducing wear.

[0029] Working principle: fix the collar 21 on the outside of the air cannon air inlet joint 1, then hold the U-shaped clamp and pass it through the air cannon handle, and then fix it through the cooperation of the threaded rod 24 and the nut 25. At the same time, when the nut 25 is threaded on the threaded rod 24, the insert ring 254 can be inserted into the installation groove 261, and the insert ring 254 can be fixed with the help of the anti-loosening bolt 262, which can reinforce the nut 25, thereby achieving the purpose of preventing the air cannon air inlet joint 1 from loosening, and the lubricating oil is injected into the inner cavity 252 from the oil inlet 251, and can be discharged from the oil drain hole 253. The lubricating oil is discharged so that it can be distributed on the nut 25 and the threaded rod 24, which can achieve the purpose of lubrication, reduce friction, facilitate the disassembly and assembly of the nut 25, and improve the smoothness of disassembly. Before using the clamp 23, put the two sets of wear-resistant covers 31 on the outside of the clamp 23, align the adjacent mounting blocks 33, and fix them with mounting bolts 34. The two sets of wear-resistant covers 31 can be fixed on the outside of the clamp 23, which can protect the clamp 23, and the provided sealing layer 32 can play a sealing role, which can prevent the clamp 23 from contacting the handle of the air cannon.

[0030] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] 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 scope of protection of the present invention.

Claims

1. An anti-loosening fixing structure for the air inlet of a pneumatic wrench, comprising a pneumatic wrench air inlet joint (1) and an anti-loosening member (2) arranged on one side of the pneumatic wrench air inlet joint (1), characterized in that: The outer side of the anti-loosening component (2) is further provided with a wear-resistant component (3), and the wear-resistant component (3) is used to protect the anti-loosening component (2). The anti-loosening component (2) includes a collar (21) sleeved on the outer side of the air cannon air inlet joint (1) and ear parts (22) arranged on the left and right sides of the collar (21). The anti-loosening component (22) also includes a clamp (23), and the clamp (23) is placed on one side of the collar (21). A threaded rod (24) is provided on one side of the clamp (23). The outer thread sleeve of the threaded rod (24) is provided with a screw cap (25). The threaded rod (24) passes through the ear part (22) and is fixed by the screw cap (25). An anti-loosening component (26) is further provided on the side wall of the ear part (22). The anti-loosening component (26) is used for reinforcement and anti-loosening.

2. The anti-loosening fixing structure for the air inlet of a pneumatic impact wrench according to claim 1, characterized in that: An insert ring (254) is provided on one side of the screw cap (25) close to the ear hanging portion (22), an oil inlet (251) is provided on one side of the screw cap (25), an inner cavity (252) is provided inside the screw cap (25), the oil inlet (251) and the inner cavity (252) are communicated, and oil drain holes (253) are evenly provided on the inner wall of the screw cap (25).

3. The anti-loosening fixing structure for the air inlet of a pneumatic impact wrench according to claim 2, characterized in that: The anti-loosening member (26) comprises a mounting groove (261) provided on the surface of the hanging ear portion (22) and an anti-loosening bolt (262) provided on the side wall of the hanging ear portion (22).

4. A loosening prevention and fixing structure for the air inlet of a pneumatic wrench according to claim 3, characterized in that: The insert ring (254) and the mounting groove (261) are adapted to each other.

5. The anti-loosening and fixing structure for the air inlet of a pneumatic wrench according to claim 4, characterized in that: The outer walls of the clamp (23) and the threaded rod (24) are both coated with an anti-rust layer (231) for rust protection.

6. The anti-loosening and fixing structure for the air inlet of a pneumatic wrench according to claim 5, wherein: The wear-resistant component (3) includes a wear-resistant cover (31) and a sealing layer (32) arranged on the side wall of the wear-resistant cover (31). The wear-resistant cover (31) is provided with two groups. The outer walls of the two groups of sealing layers (32) are both installed with mounting blocks (33). The surfaces of the mounting blocks (33) are provided with mounting bolts (34).

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