CN218718086U

CN218718086U - Nut with anti-loosening function

Info

Publication number: CN218718086U
Application number: CN202221879074.3U
Authority: CN
Inventors: 邹先平
Original assignee: Dongguan Xiechen Precision Hardware Co ltd
Current assignee: Dongguan Xiechen Precision Hardware Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-03-24
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a nut with anti-loosening function, which comprises a nut body, a limiting block and a sliding block, wherein the surface of the nut body is provided with through holes, the through holes are distributed on the surface of the nut body at equal angles, and the interior of the nut body is slidably connected with friction rods which are in one-to-one correspondence with the through holes; further comprising: the limiting block is arranged inside the friction rod in a sliding mode, penetrates through the inside of the friction rod, and is provided with a deep groove in the surface; the sliding blocks are fixedly arranged on the surface of the friction rod and are symmetrically distributed about the center of the friction rod. This nut with locking function when using, direct with external bolt, handle cooperation use can, operation process is simple and convenient, need not use special instrument that opens and shuts, application range is wide, the availability factor is high, the rate of recovery is also higher, has saved economic cost.

Description

Nut with anti-loosening function

Technical Field

The utility model relates to a nut technical field specifically is a nut with locking function.

Background

The nut is a common fastener, is usually matched with a bolt or a screw rod for use, is widely used in various industries, for example, a replaceable anti-theft nut with the publication number of CN101984265A, has a simple structure, can prevent theft, can be detachably replaced, saves the construction cost, and can be widely applied to easily-stolen facilities such as electric power, traffic, environmental protection, communication and the like which are arranged outdoors;

however, when the anti-loosening nut is used, the handle which is matched with the anti-loosening nut and is consistent in height with the anti-loosening nut is required to be used, the disassembly and the assembly can be completed, the operation process is complex when the anti-loosening nut is used, meanwhile, the anti-loosening structure is only additionally provided with the reverse ratchet tooth surface, the anti-loosening effect is poor, the daily use of the nut is influenced, and unnecessary troubles are brought to work.

In order to solve the problems, innovative design is urgently needed on the basis of the original nut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nut with locking function to the operation process is complicated and locking effect is poor when solving the use that proposes in the above-mentioned background art, can influence the daily use of nut, has brought the trouble problem of unnecessary for work.

In order to achieve the above object, the utility model provides a following technical scheme: a nut with an anti-loosening function comprises a nut body, a limiting block and a sliding block, wherein through holes are formed in the surface of the nut body, the through holes are distributed on the surface of the nut body at equal angles, friction rods are connected inside the nut body in a sliding mode, and the friction rods correspond to the through holes one to one;

a nut with anti-loosening function, further comprising:

the limiting block is arranged inside the friction rod in a sliding mode, penetrates through the inside of the friction rod, and is provided with a deep groove in the surface;

the sliding blocks are fixedly arranged on the surface of the friction rod and are symmetrically distributed about the center of the friction rod.

Preferably, the fixed surface of the limiting block is provided with a convex block, the convex block is symmetrically distributed about the center of the limiting block, and the convex block is connected to the inside of the friction rod in a sliding manner.

Preferably, the friction rod is provided with a groove inside, the groove corresponds to the lug in a one-to-one mode, the friction rod is made of rubber, the inner wall of the friction rod is attached to the surface of the limiting block, the limiting block is driven to slide in the groove when moving, the surface of the limiting block is attached to the inner wall of the friction rod, the limiting block only moves in the horizontal direction, and meanwhile the lug and the groove enable the tail end of the limiting block not to move out of the deep groove, so that stability is improved.

Preferably, the side surface of the limiting block is fixedly provided with a first spring which plays a role in elastic reset, the other side of the first spring is fixedly connected with the inner wall of the friction rod, and the limiting block can extrude the first spring when moving.

Preferably, the sliding block is arranged inside the nut body in a sliding mode, the sliding grooves are formed in the nut body and correspond to the sliding blocks one to one, the sliding blocks and the sliding grooves limit the moving distance of the friction rod, the tail end of the friction rod cannot move out of the nut body, and stability is improved.

Preferably, the upper surface fixed mounting of slider has the second spring that plays the elasticity effect of resetting, and the other one side of second spring with the inner wall fixed connection of nut body to the initial state that is the compressed of second spring, after the stopper entered into deep troughed inside, the elasticity of second spring drove slider and friction lever and moves down.

Preferably, the distance from the sliding block to the inner wall of the sliding groove is larger than the distance from the friction rod to the lower surface of the through hole, and when the friction rod is contacted with an external object, the sliding block still has a downward moving trend under the elastic force action of the second spring, namely, the friction rod is always attached to the external object, so that the force required by the nut body to rotate and loosen is increased, and the purpose of preventing loosening is finally achieved.

Compared with the prior art, the beneficial effects of the utility model are that: this nut with locking function adopts neotype structural design, and its concrete content is as follows:

(1) When the nut with the anti-loosening function is used, the nut can be directly matched with an external bolt and a handle for use, the operation process is simple and convenient, a special opening and closing tool is not needed, the use range is wide, the use efficiency is high, the recovery rate is high, and the economic cost is saved;

(2) This nut with locking moving function is when using, press the stopper to the deep trouth in, the friction lever moved down the below of through-hole under the effect of second spring and slider this moment, and the slider is greater than the interval of friction lever to the through-hole lower surface to the interval of spout inner wall, and then when the friction lever contacted with external object, the slider still had the trend of moving down under the elastic force effect of second spring, the friction lever laminates with external object all the time promptly, finally make the nut body need rotate, not hard up power increase, finally reached locking not hard up purpose.

Drawings

Fig. 1 is a schematic top view of the nut body of the present invention;

fig. 2 is a schematic cross-sectional structural view of the nut body of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional structural view of the bump in the working state of the present invention;

fig. 5 is a schematic view of the connection structure of the friction rod and the sliding block of the present invention.

In the figure: 1. a nut body; 2. a through hole; 3. a friction lever; 4. a limiting block; 5. deep grooves; 6. a bump; 7. a groove; 8. a first spring; 9. a slider; 10. a chute; 11. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a nut with an anti-loosening function comprises a nut body 1, a limiting block 4 and a sliding block 9, wherein through holes 2 are formed in the surface of the nut body 1, the through holes 2 are distributed on the surface of the nut body 1 at equal angles, friction rods 3 are connected inside the nut body 1 in a sliding mode, and the friction rods 3 correspond to the through holes 2 one to one;

a nut with anti-loosening function, further comprising:

the limiting block 4 is arranged inside the friction rod 3 in a sliding mode, the limiting block 4 penetrates through the friction rod 3, and a deep groove 5 is formed in the surface of the friction rod 3;

the sliding blocks 9 are fixedly arranged on the surface of the friction rod 3, and the sliding blocks 9 are symmetrically distributed about the center of the friction rod 3.

The surface of the limiting block 4 is fixedly provided with a lug 6, the lugs 6 are symmetrically distributed about the center of the limiting block 4, and the lugs 6 are connected inside the friction rod 3 in a sliding manner.

The friction rod 3 is provided with a groove 7 inside, the groove 7 corresponds to the bump 6 one by one, the friction rod 3 is made of rubber, and the inner wall of the friction rod 3 is attached to the surface of the limiting block 4.

The side surface of the limiting block 4 is fixedly provided with a first spring 8 which plays a role of elastic reset, and the other side of the first spring 8 is fixedly connected with the inner wall of the friction rod 3.

The slider 9 slides and sets up in the inside of nut body 1, and the spout 10 has been seted up to the inside of nut body 1 to spout 10 and slider 9 one-to-one.

When installing nut body 1, it can directly through normal means installation, and after finishing the installation of nut body 1, the staff can press stopper 4 toward the inside of deep groove 5, stopper 4 can drive lug 6 and slide in the inside of recess 7 this moment, first spring 8 can be extruded simultaneously, after stopper 4 enters into deep groove 5 inside, second spring 11 that is in the compressed state drives friction lever 3 through slider 9 and down moves in the inside of through-hole 2, and the interval of slider 9 to 10 inner walls of spout is greater than the interval of friction lever 3 to 2 lower surfaces of through-hole, and then when friction lever 3 contacted with external object, slider 9 still had the trend of moving down under the elastic force effect of second spring 11, namely friction lever 3 laminated with external object all the time, finally make nut body 1 need rotate, not hard up power increase, finally reached the mesh of locking up.

The upper surface fixed mounting of slider 9 has the second spring 11 that plays the elasticity effect of resetting, and the inner wall fixed connection of the other side and the nut body 1 of second spring 11 to second spring 11 is the state of compressed when initial, and the interval of slider 9 to spout 10 inner wall is greater than the interval of friction lever 3 to through-hole 2 lower surface.

And when the nut body 1 is not needed to be used, the nut body 1 is detached from an external object, the friction rod 3 is pushed upwards, after the limiting block 4 is moved out of the through hole 2, the limiting block 4 is moved out of the deep groove 5 under the action of the first spring 8, and the friction rod 3 stably stays in the nut body 1 under the action of the limiting block 4 and the second spring 11, so that the next use is facilitated.

The working principle is as follows: when the nut with the anti-loosening function is used, firstly, the device is placed at a position needing to work, according to the graph 1-5, after the nut body 1 is installed, a worker can press the limiting block 4, after the limiting block 4 enters the deep groove 5, the second spring 11 drives the friction rod 3 to move downwards through the sliding block 9, the distance from the sliding block 9 to the inner wall of the sliding groove 10 is larger than the distance from the friction rod 3 to the lower surface of the through hole 2, and further, when the friction rod 3 is contacted with an external object, the sliding block 9 still has a trend of moving downwards under the action of the elastic force of the second spring 11, namely, the friction rod 3 is always attached to the external object, so that the force required by rotation and loosening of the nut body 1 is increased, and the purpose of preventing loosening is finally achieved;

when the nut body 1 is not needed to be used, the nut body 1 is detached from an external object, the friction rod 3 is pushed upwards, after the limiting block 4 is moved out of the through hole 2, the limiting block 4 is moved out of the deep groove 5 under the action of the first spring 8, and at the moment, the friction rod 3 stably stays in the nut body 1 under the action of the limiting block 4 and the second spring 11, so that the next use is facilitated.

The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A nut with an anti-loosening function comprises a nut body (1), a limiting block (4) and a sliding block (9), wherein through holes (2) are formed in the surface of the nut body (1), the through holes (2) are distributed on the surface of the nut body (1) at equal angles, friction rods (3) are connected inside the nut body (1) in a sliding mode, and the friction rods (3) correspond to the through holes (2) one to one;

it is characterized by also comprising:

the limiting block (4) is arranged inside the friction rod (3) in a sliding mode, the limiting block (4) penetrates through the inside of the friction rod (3), and a deep groove (5) is formed in the surface of the friction rod (3);

the sliding blocks (9) are fixedly arranged on the surface of the friction rod (3), and the sliding blocks (9) are symmetrically distributed around the center of the friction rod (3).

2. The nut with the anti-loosening function according to claim 1, wherein: the surface of the limiting block (4) is fixedly provided with a convex block (6), the convex blocks (6) are symmetrically distributed about the center of the limiting block (4), and the convex blocks (6) are connected inside the friction rod (3) in a sliding mode.

3. The nut with the anti-loosening function according to claim 2, wherein: the friction rod (3) is internally provided with a groove (7), the groove (7) corresponds to the bump (6) one by one, the friction rod (3) is made of rubber, and the inner wall of the friction rod (3) is attached to the surface of the limiting block (4).

4. The nut with the anti-loosening function according to claim 1, wherein: the side face of the limiting block (4) is fixedly provided with a first spring (8) with an elastic reset effect, and the other side of the first spring (8) is fixedly connected with the inner wall of the friction rod (3).

5. The nut with the anti-loosening function according to claim 1, wherein: the sliding block (9) is arranged inside the nut body (1) in a sliding mode, a sliding groove (10) is formed in the nut body (1), and the sliding groove (10) corresponds to the sliding block (9) in a one-to-one mode.

6. The nut with the anti-loosening function according to claim 1, wherein: the upper surface fixed mounting of slider (9) has second spring (11) that play the elasticity effect of reseing, and the other side of second spring (11) with the inner wall fixed connection of nut body (1) to second spring (11) are the state of compressed when initial.

7. The nut with the anti-loosening function according to claim 1, wherein: the distance from the sliding block (9) to the inner wall of the sliding groove (10) is larger than the distance from the friction rod (3) to the lower surface of the through hole (2).