CN218934988U

CN218934988U - Lock nut

Info

Publication number: CN218934988U
Application number: CN202223177465.3U
Authority: CN
Inventors: 王厚羽; 陶耀平; 廖文峰
Original assignee: Zhejiang Ansheng Auto Parts Co ltd
Current assignee: Zhejiang Ansheng Auto Parts Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-28
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a lock nut, which comprises a lower nut and an upper nut, wherein threaded holes are formed in the centers of the upper nut and the lower nut, a mounting ring is arranged on the lower nut, a lock washer is arranged on the mounting ring, the upper side surface and the lower side surface of the lock washer are provided with locking surfaces, the lock washer is positioned between the upper nut and the lower nut, a plurality of inserted posts are arranged at the bottom of the lock washer, a pointed end is arranged at the bottom of each inserted post, a jack matched with each inserted post is formed in the lower nut, a mounting hole is formed in the mounting surface of the nut, a mounting groove is formed in the outer side of the mounting hole, and a caulking ring with a matched shape is embedded in the mounting groove. According to the utility model, the inserted post is arranged on the locking washer, passes through the insertion hole on the lower nut, is nailed into the embedded ring through the pointed head, and the embedded ring is fixed on the mounting surface, so that the lower nut and the mounting surface are locked and fixed, and a good anti-loosening effect is achieved.

Description

Lock nut

[ field of technology ]

The utility model relates to the technical field of nuts, in particular to the technical field of locking nuts.

[ background Art ]

The existing automobile nuts are mostly common standard component nuts, the anti-loosening performance of the existing automobile nuts is poor, automobile body vibration is easy to generate in the running process of an automobile, the nuts are unnecessarily loosened, and then the stability and reliability of bolt connection are affected.

At present, the anti-loosening effect is generally improved through the double-nut structure, but the double nuts can simultaneously rotate upwards together when being vibrated, so that the bolts are loosened.

[ utility model ]

The utility model aims to solve the problems in the prior art and provides a locking nut which can prevent the nut from loosening.

In order to achieve the above purpose, the utility model provides a lock nut, which comprises a lower nut and an upper nut, wherein threaded holes are formed in the centers of the upper nut and the lower nut, a mounting ring is arranged on the lower nut, a lock washer is arranged on the mounting ring, the upper side surface and the lower side surface of the lock washer are provided with locking surfaces, the lock washer is positioned between the upper nut and the lower nut, a plurality of inserting posts are arranged at the bottom of the lock washer, a pointed end is arranged at the bottom of each inserting post, an inserting hole matched with each inserting post is formed in the lower nut, a mounting hole is formed in a mounting surface of the nut, a mounting groove is formed in the outer side of each mounting hole, and a caulking ring with a matched shape is embedded in each mounting groove.

Preferably, the lock washer comprises a lower washer and an upper washer, and the opposite surfaces of the lower washer and the lower washer are provided with matched annular tooth surfaces.

Preferably, the top of the mounting ring is provided with a conical convex ring, and the upper nut is provided with a conical groove matched with the conical convex ring.

Preferably, the locking surface is formed by a ring of closely spaced anti-slip teeth which are embedded in the contact surface with the upper and lower nuts.

Preferably, a plurality of clamping blocks are arranged on the outer edge ring of the embedded ring.

Preferably, the insert ring is made of plastic or wood.

Preferably, the insert posts are made of metal, and the insert posts are welded at the bottom of the lower gasket.

The utility model has the beneficial effects that: according to the utility model, the inserted post is arranged on the locking washer, passes through the jack on the lower nut, is nailed into the embedded ring through the pointed head, and the embedded ring is fixed on the mounting surface, so that the lower nut and the mounting surface are locked and fixed, and a good anti-loosening effect is achieved; the lower nut is locked with the upper nut through the locking washer and the conical convex ring, so that the two nuts are not easy to rotate relatively, and the locking effect is good.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of embodiment 1;

FIG. 2 is a cross-sectional view of example 1;

FIG. 3 is a schematic view of the structure of the lower nut of embodiment 1;

fig. 4 is a schematic structural view of embodiment 2;

fig. 5 is a schematic view of the mounting surface of the present utility model.

In the figure: 1-lower nut, 2-upper nut, 3-lock washer, 4-locking face, 5-plug, 6-mounting hole, 7-cog ring, 11-mounting ring, 12-jack, 31-lower washer, 32-upper washer.

[ detailed description ] of the utility model

Example 1:

referring to fig. 1, fig. 2 and fig. 3, the lock nut comprises a lower nut 1 and an upper nut 2, screw holes are formed in the centers of the upper nut 2 and the lower nut 1, a mounting ring 11 is arranged on the lower nut 1, a lock washer 3 is mounted on the mounting ring 11, locking faces 4 are arranged on the upper side and the lower side of the lock washer 3, the lock washer 3 is located between the upper nut 2 and the lower nut 1, two inserted posts 5 made of metal materials are welded at the bottom of the lock washer 3, pointed ends are arranged at the bottom of the inserted posts 5, insertion holes 12 matched with the inserted posts 5 are formed in the lower nut 1, mounting holes 6 are formed in mounting faces of the nuts, mounting grooves are formed in the outer sides of the mounting holes 6, embedded rings 7 matched with each other in shape are embedded in the mounting grooves, the embedded rings 7 are made of plastic materials, the lock washer 3 comprises a lower washer 31 and an upper washer 32, the opposite faces of the lower washer 31 are provided with matched annular tooth faces, the two annular tooth faces are mounted in a meshed mode, conical convex rings are arranged at the top of the mounting ring 11, conical concave grooves matched with the conical convex rings are formed in the upper nut 2, the locking faces 4 are distributed by one ring, and a plurality of anti-slip rings are embedded in the anti-slip rings are formed by the outer edges of the anti-slip rings.

Example 2:

referring to fig. 4, the lock nut comprises a lower nut 1 and an upper nut 2, screw holes are formed in the centers of the upper nut 2 and the lower nut 1, a mounting ring 11 is arranged on the lower nut 1, a lock washer 3 is mounted on the mounting ring 11, locking faces 4 are arranged on the upper side and the lower side of the lock washer 3, the lock washer 3 is located between the upper nut 2 and the lower nut 1, a plurality of inserting posts 5 are arranged at the bottom of the lock washer 3, pointed ends are arranged at the bottom of the inserting posts 5, insertion holes 12 matched with the inserting posts 5 are formed in the lower nut 1, mounting holes 6 are formed in the mounting face of the nut, mounting grooves are formed in the outer sides of the mounting holes 6, embedded with embedded rings 7 matched in shape, a plurality of clamping blocks are arranged on the outer edges of the embedded rings 7, the lock washer 3 comprises a lower washer 31 and an upper washer 32, the opposite faces of the lower washer 31 are provided with matched annular tooth faces, the locking faces 4 are formed by a circle of densely distributed anti-slip teeth, the anti-slip teeth are embedded in the contact faces of the upper nut and the lower nut, the inserting posts 5 are made of metal materials, the inserting posts 5 are welded at the bottom of the lower washer 31, and the embedded rings are made of wood materials.

The working process of the utility model comprises the following steps:

in the working process of the utility model, firstly, the screw rod of the bolt passes through the mounting hole 6, then the lower nut 1 is arranged on the screw rod in a threaded manner, then the annular tooth surfaces of the upper washer and the lower washer are arranged in a meshed manner to form the locking washer 3, the locking washer 3 is sleeved from the screw rod, the inserting column 5 at the bottom is inserted into the inserting hole 12, then the upper nut 2 is arranged on the screw rod in a threaded manner, after the installation is finished, the inserting column 5 is inserted into the inserting ring 7, and the anti-skid teeth at two sides of the locking washer 3 are embedded into the contact surfaces of the two nuts, thereby having good anti-loosening locking effect and being not easy to fall off in a long-term vibration environment.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. A lock nut, characterized in that: including lower nut (1) and last nut (2), the center department of going up nut (2) and lower nut (1) all is equipped with the screw hole, be equipped with collar (11) on lower nut (1), install lock washer (3) on collar (11), the upper and lower both sides face of lock washer (3) are equipped with locking face (4), lock washer (3) are located between upper nut (2) and lower nut (1), the bottom of lock washer (3) is equipped with a plurality of inserted posts (5), the bottom of inserted post (5) is equipped with the tip, be equipped with on lower nut (1) with inserted post (5) assorted jack (12), be equipped with mounting hole (6) on the installation face of nut, the outside of mounting hole (6) is equipped with the mounting groove, shape-matched inserted thimble (7) have been inlayed in the mounting groove.

2. The lock nut as claimed in claim 1, wherein: the locking washer (3) comprises a lower washer (31) and an upper washer (32), and matched annular tooth surfaces are arranged on the opposite surfaces of the lower washer (31) and the lower washer (31).

3. The lock nut as claimed in claim 1, wherein: the top of the mounting ring (11) is provided with a conical convex ring, and the upper nut (2) is provided with a conical groove matched with the conical convex ring.

4. The lock nut as claimed in claim 1, wherein: the locking surface (4) is formed by a circle of anti-slip teeth which are densely distributed, and the anti-slip teeth are embedded into the contact surfaces of the upper nut and the lower nut.

5. The lock nut as claimed in claim 1, wherein: the outer edge of the embedded ring (7) is provided with a plurality of clamping blocks.

6. The lock nut as claimed in claim 1, wherein: the embedded ring (7) is made of plastic or wood.

7. The lock nut as claimed in claim 1, wherein: the inserted column (5) is made of metal, and the inserted column (5) is welded at the bottom of the lower gasket (31).