CN220668108U - Self-locking anti-loosening device for lock nut - Google Patents
Self-locking anti-loosening device for lock nut Download PDFInfo
- Publication number
- CN220668108U CN220668108U CN202321835302.1U CN202321835302U CN220668108U CN 220668108 U CN220668108 U CN 220668108U CN 202321835302 U CN202321835302 U CN 202321835302U CN 220668108 U CN220668108 U CN 220668108U
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- China
- Prior art keywords
- sleeve
- ring gauge
- self
- toothed ring
- nut
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model is suitable for the technical field of nut fastening and self-locking tools, and provides a self-locking anti-loosening device for a lock nut, which comprises: a sleeve; the toothed ring gauge is inlaid at one side of the sleeve, and the inner wall of the toothed ring gauge is provided with a ring gauge tooth top for destroying the bolt teeth; the air-operated gun is fixedly arranged on the other side of the sleeve. The utility model is provided with the sleeve and the toothed ring gauge, the toothed ring gauge is inlaid on one side of the sleeve, the air wrench gun is arranged on the other side of the sleeve, the nut is placed in the sleeve, the air wrench gun is started, when the nut enters a certain depth, the ring gauge tooth tops on the toothed ring gauge are utilized to destroy the screw teeth, thereby achieving the purpose of preventing the nut from loosening and falling.
Description
Technical Field
The utility model belongs to the technical field of nut fastening and self-locking tools, and particularly relates to a self-locking anti-loosening device for a lock nut.
Background
The automobile leaf spring is a traditional elastic element in an automobile suspension system, and comprises the following steps in the assembly process of the leaf spring: the locking clamp nut is used for damaging the bolt teeth of the exposed teeth to achieve the purpose of preventing the nuts from loosening and falling, in the prior art, the nuts are generally fastened by using the pneumatic gun connecting sleeve, three points are uniformly distributed around the bolt teeth by using the hammer to strike the chisel to damage the nuts, so that the purpose of preventing the nuts from loosening is achieved, the process step is to arrange the fastening nuts and the bolts to punch and rivet at three points, 2 people in each process step, the efficiency is low, the labor intensity is high, in addition, the length of the exposed teeth of the fastening bolts is different by using the pneumatic gun, the sleeve is easy to loosen or deform, and the product quality is influenced.
In order to improve the assembly efficiency and the product quality, the prior art needs to be improved.
Disclosure of Invention
The embodiment of the utility model aims to provide a self-locking and anti-loosening device for a lock nut, which aims to solve the problems in the background technology.
The embodiment of the utility model is realized in such a way that the self-locking anti-loosening device for the lock nut comprises:
a sleeve;
the toothed ring gauge is inlaid at one side of the sleeve, and the inner wall of the toothed ring gauge is provided with a ring gauge tooth top for destroying the bolt teeth;
the air-operated gun is fixedly arranged on the other side of the sleeve.
Preferably, the toothed ring gauge is guided in a matched manner with a fixing groove formed in the sleeve.
Preferably, the toothed ring gauge is further provided with a casting glue layer, and the casting glue layer is adhered to one side of the sleeve.
Preferably, the ring gauge tooth tops are provided with three ring gauge tooth tops, and the diameters of the three ring gauge tooth tops are different.
Preferably, the air wrench gun is provided with a fixing lug, the fixing lug is matched with a fixing groove formed in the sleeve, and the air wrench gun is connected with the sleeve through the matching of the fixing lug and the fixing groove.
Aiming at the defects in the prior art, the self-locking and anti-loosening device for the lock nut is provided with the sleeve and the toothed ring gauge, the toothed ring gauge is inlaid on one side of the sleeve, the air wrench gun is arranged on the other side of the sleeve, the nut is placed in the sleeve, the air wrench gun is started, when the nut enters a certain depth, the tooth of the bolt is destroyed by the tooth top of the ring gauge on the toothed ring gauge, and the purposes of preventing the nut from loosening and falling are achieved.
Drawings
Fig. 1 is a split view of a self-locking and anti-loosening device for a lock nut according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a sleeve in a self-locking and anti-loosening device for a lock nut according to an embodiment of the present utility model;
FIG. 3 is a front view in the direction A of FIG. 2;
FIG. 4 is a front view in the B direction of FIG. 2;
fig. 5 is a schematic structural view of a workpiece to which the self-locking and anti-loosening device for lock nuts according to the embodiment of the utility model is applicable.
In the accompanying drawings: 1-a sleeve; 2-tooth ring gauge; 3-a casting glue layer; 4-a fixed groove; 5-ring gauge tooth tops; 6-fixing grooves; 7-an air-operated gun; 8-fixing the convex blocks; 9-clamping; 10-bolts; 11-a nut; 12-bolt head; 13-bolt teeth.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1, a block diagram of a self-locking and anti-loosening device for a lock nut according to an embodiment of the present utility model includes:
a sleeve 1;
the toothed ring gauge 2 is inlaid on one side of the sleeve 1, and a ring gauge tooth top 5 is arranged on the inner wall of the toothed ring gauge 2 and used for destroying the bolt teeth 13;
the air gun 7 is fixedly arranged on the other side of the sleeve 1.
In one embodiment of the utility model, the self-locking anti-loosening device for the lock nut is provided with the sleeve 1 and the toothed ring gauge 2 aiming at the defects in the prior art, the toothed ring gauge 2 is inlaid on one side of the sleeve 1, the air wrench gun 7 is arranged on the other side of the sleeve 1, the nut 11 is placed in the sleeve 1, the air wrench gun 7 is started, when the nut 11 enters a certain depth, the ring gauge tooth tops 5 on the toothed ring gauge 2 are utilized to destroy the bolt teeth 13, so that the purpose of preventing the nut 11 from loosening and falling is achieved.
As shown in fig. 2 to 3, as a preferred embodiment of the present utility model, the toothed ring gauge 2 is guided in cooperation with a fixing groove 4 formed in the sleeve 1.
The toothed ring gauge 2 is also provided with a casting glue layer 3 which is adhered to one side of the sleeve 1.
The sleeve 1 is connected with the nut 11 in the A direction, the shape of the A direction is hexagonal, the top of the hexagon is provided with the fixing groove 4, the guiding and fixing functions are achieved when the toothed ring gauge 2 is assembled, the casting glue layer 3 is arranged at the bottom of the toothed ring gauge 2 and is adhered to the sleeve 1, and the aim of inlaying is achieved.
As shown in fig. 3, as a preferred embodiment of the present utility model, the ring gage tip 5 is provided with three ring gage tips 5 having different diameters of circles.
The toothed ring gauge 2 is specifically provided with three teeth, the distances between the tooth tips 5 of the three ring gauges and the ring center are different, and when the exposed parts of the bolt teeth 13 contact the tooth tips 5 of the ring gauges, the tooth tips can form a series movement, so that the purpose of damaging the bolt teeth 13 is achieved.
As shown in fig. 4, as a preferred embodiment of the present utility model, the air gun 7 is provided with a fixing protrusion 8, the fixing protrusion 8 is matched with a fixing groove 6 formed in the sleeve 1, and the air gun 7 is connected with the sleeve 1 through the matching of the fixing protrusion 8 and the fixing groove 6.
The air-operated gun 7 is installed in the sleeve 1 through the cooperation of the fixing protruding block 8 and the fixing groove 6, when the sleeve 1 is matched with the nut 11, the air-operated gun 7 is started to automatically screw the nut 11, wherein the air-operated gun 7 is of a conventional structure in the field, and the specific structure and the working principle of the air-operated gun 7 are not repeated herein.
Fig. 5 shows a workpiece provided in this embodiment of the present utility model, when the clamp 9 is clamped and fixed, the bolt 10 passes through the clamp 9, the bolt 10 is locked by the nut 11, one end of the bolt 10 is the bolt head 12, and the other end is the bolt tooth 13, when the nut 11 is locked, the nut 11 is sleeved into the sleeve 1, the air wrench 7 is started, and in the process of screwing the nut 11, the bolt tooth 13 continuously extends outwards until contacting with the ring gauge tooth top 5, and the bolt tooth 13 is damaged by axial serial movement, so as to achieve the bolt tooth punching and riveting effect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. A self-locking and anti-loosening device for a lock nut, comprising:
a sleeve (1);
the toothed ring gauge (2) is inlaid on one side of the sleeve (1), and a ring gauge tooth top (5) is arranged on the inner wall of the toothed ring gauge (2) and used for damaging the bolt tooth (13);
the air-operated gun (7) is fixedly arranged on the other side of the sleeve (1).
2. The self-locking anti-loosening device for the lock nut according to claim 1, wherein the toothed ring gauge (2) is guided in a matched manner with a fixing groove (4) formed in the sleeve (1).
3. The self-locking anti-loosening device for the lock nut according to claim 2, wherein the toothed ring gauge (2) is further provided with a casting layer (3) which is adhered to one side of the sleeve (1).
4. The self-locking and anti-loosening device for lock nuts according to claim 1, wherein three ring-gauge tooth tips (5) are provided, and the diameters of circles of the three ring-gauge tooth tips (5) are different.
5. The self-locking anti-loosening device for the lock nut according to claim 1, wherein the air wrench gun (7) is provided with a fixing lug (8), the fixing lug (8) is matched with a fixing groove (6) formed in the sleeve (1), and the air wrench gun (7) is connected with the sleeve (1) through the matching of the fixing lug (8) and the fixing groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321835302.1U CN220668108U (en) | 2023-07-13 | 2023-07-13 | Self-locking anti-loosening device for lock nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321835302.1U CN220668108U (en) | 2023-07-13 | 2023-07-13 | Self-locking anti-loosening device for lock nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668108U true CN220668108U (en) | 2024-03-26 |
Family
ID=90329788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321835302.1U Active CN220668108U (en) | 2023-07-13 | 2023-07-13 | Self-locking anti-loosening device for lock nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668108U (en) |
-
2023
- 2023-07-13 CN CN202321835302.1U patent/CN220668108U/en active Active
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