CN213929111U

CN213929111U - Nut with anti-loosening function

Info

Publication number: CN213929111U
Application number: CN202022838464.3U
Authority: CN
Inventors: 杨强霞
Original assignee: Taizhou Sande Auto Parts Co ltd
Current assignee: Taizhou Sande Auto Parts Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-10
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a nut with locking function, including the nut body, the both ends inner wall of nut body is symmetrical fixed and is provided with the mounting groove, the sliding is equipped with the movable plate in the mounting groove, the movable plate is located the one end fixed rubber layer that is equipped with of nut body screw hole, the movable plate is kept away from one side rotation of rubber layer and is inserted and be equipped with the screw rod, and the screw rod keeps away from one end screw thread rotation of movable plate and extends the nut body, the bottom of nut body is kept away from the both ends symmetry fixed moving groove of mounting groove, the movable insert is equipped with the sleeve in the moving groove, the sleeve is kept away from the one end fixed gasket that moves the groove and is equipped with the pressure spring, and the pressure spring keeps away from the one end activity extension sleeve activity laminating that the gasket was in the tip of moving groove; the utility model discloses an increase the horizontal frictional force that nut and double-screw bolt are connected and the resistance of vertical removal to improve the stability that nut and double-screw bolt are connected, avoid the nut not hard up to break away from.

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 nut, is screwed together with a bolt or a screw rod to play a role in fastening, is divided into carbon steel, stainless steel, nonferrous metal and other types according to different materials by an element which is necessary for manufacturing machinery, is a fixing tool, and is provided with a hole in the center and threads on the inner side of the hole. Nuts are often used in conjunction with appropriately sized screws to secure the respective engagement portions. However, the existing nut has poor anti-loosening performance, is easy to loosen under the influence of factors such as vibration and the like after being used for a long time, has low safety, and may cause various losses once the nut is loosened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nut with locking function to solve the problem of proposing among the above-mentioned background art.

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, wherein mounting grooves are symmetrically and fixedly formed in the inner walls of two ends of the nut body, a moving plate is arranged in the mounting grooves in a sliding mode, a rubber layer is fixedly arranged at one end, located in a threaded hole of the nut body, of the moving plate, a screw rod is inserted into one side, away from the rubber layer, of the moving plate in a rotating mode, and one end, away from the moving plate, of the screw rod is extended out of the nut body in a threaded mode;

the fixed shifting chute that is equipped with of both ends symmetry that the mounting groove was kept away from to the bottom of nut body, the shifting chute internalization is inserted and is equipped with the sleeve, the fixed gasket that is equipped with of one end that the shifting chute was kept away from to the sleeve, the sleeve internal fixation is equipped with the pressure spring, and the one end activity that the gasket was kept away from to the pressure spring extends the sleeve activity laminating at the tip of shifting chute.

As an optimal technical scheme of the utility model, the both ends symmetry of movable plate is fixed and is equipped with the slider, be equipped with the spout that uses with the slider cooperation in the mounting groove.

As an optimal technical scheme of the utility model, the screw rod is located the fixed rotatory piece that is equipped with of one end of movable plate, be equipped with the swivelling chute that uses with the cooperation of rotatory piece in the movable plate.

As an optimal technical scheme of the utility model, the fixed spacing ring that is equipped with of one end that the sleeve is located the shifting chute, be equipped with the spacing groove that uses with the spacing ring cooperation in the shifting chute.

As a preferred technical scheme of the utility model, the fixed through-hole that is equipped with on the gasket, and the diameter of through-hole is greater than the diameter of the screw hole of nut body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the moving plate is pushed by the screw rod, so that the rubber layer on the moving plate is extruded and attached to the surface of the stud connected with the nut body, and the friction force of the nut in transverse rotation is increased.

2. After the nut body is fixed, the nut body extrudes the gasket through the pressure spring, and the pressure spring generates resilience force between the nut body and the gasket, so that the threaded connection part of the nut body and the stud is tightly attached, and the resistance of the vertical movement of the nut is increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the sleeve and the nut body according to the present invention;

FIG. 4 is a schematic top cross-sectional view of the present invention;

fig. 5 is an enlarged structural diagram of a portion a in fig. 4 according to the present invention.

In the figure: 1. a nut body; 2. mounting grooves; 3. moving the plate; 31. a slider; 32. a chute; 4. a rubber layer; 5. a screw; 51. rotating the block; 52. a rotating tank; 6. a moving groove; 7. a sleeve; 71. a limiting ring; 72. a limiting groove; 8. a gasket; 81. a through hole; 9. and (5) pressing a 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, wherein mounting grooves 2 are symmetrically and fixedly formed in the inner walls of two ends of the nut body 1, a moving plate 3 is arranged in each mounting groove 2 in a sliding mode, a rubber layer 4 is fixedly arranged at one end, located in a threaded hole of the nut body 1, of the moving plate 3, a screw 5 is rotatably inserted into one side, away from the rubber layer 4, of the moving plate 3, one end, away from the moving plate 3, of the screw 5 is rotatably extended out of the nut body 1 through threads, moving grooves 6 are symmetrically and fixedly formed in two ends, away from the mounting grooves 2, of the bottom of the nut body 1, a sleeve 7 is movably inserted into each moving groove 6, a gasket 8 is fixedly arranged at one end, away from the moving grooves 6, of the sleeve 7, a pressure spring 9 is fixedly arranged in each sleeve 7, one end, away from the gasket 8, of the pressure spring 9 is movably extended out of the sleeve 7 and movably attached to the end of the moving groove 6, and the nut body 1 is sleeved on a stud to be fixed through threaded rotation, when the nut body 1 is rotated and the screw thread of the nut body 1 is rotated to the bottom end of the stud and can not rotate continuously, the bottom of the nut body 1 extrudes the gasket 8 through the pressure spring 9, so that the gasket 8 is tightly attached to the surface of an object connected with the stud, the gasket 8 which cannot move exerts upward extrusion force on the nut body 1 through the resilience force of the pressure spring 9, thereby the threaded connection part of the stud of the nut body 1 is tightly attached, the resistance of the nut body 1 moving vertically on the stud is increased, after the nut body 1 is fixed, the screw rod 5 is rotated, the screw rod 5 moves towards the stud direction through the moving plate 3, thereby the rubber layer 4 on the surface of the moving plate 3 is tightly attached to the surface of the stud, the rubber layer 4 increases the friction force between the moving plate 3 and the surface of the stud, thereby increasing the friction force of the nut body 1 rotating transversely on the stud and avoiding the transverse rotation of the nut body 1.

The two ends of the moving plate 3 are symmetrically and fixedly provided with sliding blocks 31, sliding grooves 32 matched with the sliding blocks 31 for use are arranged in the mounting groove 2, and the moving plate 3 is fixed in the mounting groove 2 in a sliding mode through the sliding blocks 31 and the sliding grooves 32.

The screw 5 is fixedly provided with a rotating block 51 at one end of the moving plate 3, a rotating groove 52 matched with the rotating block 51 is arranged in the moving plate 3, the end part of the screw 5 is fixed in the rotating groove 52 through the rotating block 51, and the screw 5 drives the moving plate 3 to move together through the rotating block 51.

The sleeve 7 is fixedly provided with a limiting ring 71 at one end in the moving groove 6, a limiting groove 72 matched with the limiting ring 71 for use is arranged in the moving groove 6, the end part of the sleeve 7 cannot be separated from the moving groove 6 through the limiting ring 71 and the limiting groove 72, and the sleeve 7 can move up and down in the moving groove 6 conveniently.

The gasket 8 is fixedly provided with a through hole 81, the diameter of the through hole 81 is larger than that of a threaded hole of the nut body 1, and the gasket 8 is conveniently sleeved on a stud to be fixed along with the nut body 1 through the through hole 81.

The working principle is as follows: when the utility model is used, the screw thread of the nut body 1 is sleeved on the stud which needs to be fixed in a rotating way, the nut body 1 is rotated, when the screw thread of the nut body 1 rotates to the bottom end of the stud and can not rotate continuously, the bottom of the nut body 1 extrudes the gasket 8 through the pressure spring 9, so that the gasket 8 is tightly attached to the surface of an object connected with the stud, the gasket 8 which can not move plays an upward extrusion force to the nut body 1 through the resilience force of the pressure spring 9, thereby the threaded connection part of the stud of the nut body 1 is tightly attached, the resistance of the nut body 1 to move vertically on the stud is increased, after the nut body 1 is fixed, the screw rod 5 is rotated, the screw rod 5 moves towards the direction of the stud through the movable plate 3, so that the rubber layer 4 on the surface of the movable plate 3 is tightly attached to the surface of the stud, the rubber layer 4 increases the friction force between the movable plate 3 and the surface of the stud, thereby increasing the friction force of the nut body 1 rotating transversely on the stud and avoiding the transverse rotation of the nut body 1.

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. The utility model provides a nut with locking function, includes nut body (1), its characterized in that: the nut comprises a nut body (1), wherein mounting grooves (2) are symmetrically and fixedly formed in the inner walls of two ends of the nut body (1), a moving plate (3) is arranged in the mounting grooves (2) in a sliding mode, a rubber layer (4) is fixedly arranged at one end, located in a threaded hole of the nut body (1), of the moving plate (3), a screw rod (5) is inserted into one side, away from the rubber layer (4), of the moving plate (3) in a rotating mode, and one end, away from the moving plate (3), of the screw rod (5) is extended out of the nut body (1) in a threaded rotating mode;

the fixed shifting chute (6) that is equipped with of both ends symmetry that mounting groove (2) were kept away from to the bottom of nut body (1), shifting chute (6) internalization is inserted and is equipped with sleeve (7), the one end that shifting chute (6) were kept away from in sleeve (7) is fixed and is equipped with gasket (8), sleeve (7) internal fixation is equipped with pressure spring (9), and the one end activity that gasket (8) were kept away from in pressure spring (9) extends the tip of sleeve (7) activity laminating at shifting chute (6).

2. The nut with the anti-loosening function according to claim 1, wherein: the two ends of the moving plate (3) are symmetrically and fixedly provided with sliding blocks (31), and sliding grooves (32) matched with the sliding blocks (31) for use are formed in the mounting groove (2).

3. The nut with the anti-loosening function according to claim 1, wherein: the screw rod (5) is located one end of the moving plate (3) and is fixedly provided with a rotating block (51), and a rotating groove (52) matched with the rotating block (51) is formed in the moving plate (3).

4. The nut with the anti-loosening function according to claim 1, wherein: the sleeve (7) is located one end of the moving groove (6) and is fixedly provided with a limiting ring (71), and a limiting groove (72) matched with the limiting ring (71) is arranged in the moving groove (6).

5. The nut with the anti-loosening function according to claim 1, wherein: a through hole (81) is fixedly arranged on the gasket (8), and the diameter of the through hole (81) is larger than that of a threaded hole of the nut body (1).