CN216642759U

CN216642759U - Nut with self-locking function

Info

Publication number: CN216642759U
Application number: CN202221050210.8U
Authority: CN
Inventors: 季通
Original assignee: Ningde Jiulian Metal Products Co ltd
Current assignee: Ningde Jiulian Metal Products Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-05-31
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to the field of nut parts, and discloses a nut with a self-locking function, which effectively solves the problem that the existing nut is easy to loosen after being vibrated for a long time after being screwed down, and comprises a nut, wherein a self-locking assembly is arranged at the bottom end of the nut, the self-locking assembly comprises a screw barrel arranged at the bottom end of the nut, ratchets are arranged on the outer side of the screw barrel at equal angles, the direction of the ratchets is opposite to the screwing down direction of the nut, clamping units are arranged on the outer sides of the ratchets at equal angles, a dismounting assembly is arranged on the outer side of the screw barrel, the clamping units comprise rotary seats arranged on the outer sides of the ratchets at equal angles, a rotary block is rotatably connected inside the rotary seats, a pawl is arranged on one side of the rotary block, and the pawl is clamped with the ratchets, the utility model has the direction opposite to the screwing down direction of the nut through the ratchets, an installation ring is fixed through a fixing screw, when the nut is subjected to reverse force, the pawl is clamped with the ratchets, so that the nut can not rotate reversely, and the nut is self-locked, thereby avoiding the nut from loosening.

Description

Nut with self-locking function

Technical Field

The utility model belongs to the field of nut parts, and particularly relates to a nut with a self-locking function.

Background

The nut is a nut, is a part screwed together with a bolt or a screw rod to play a role in fastening, is an element which is necessary for all production and manufacturing machines, is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, and is connected with the bolt with the same specification through the inner thread.

After the nut is screwed down, the nut is easy to loosen after long-time vibration, so that the connection strength is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the nut with the self-locking function, and the problem that the existing nut is easy to loosen after being screwed down and vibrated for a long time is effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a nut with self-locking function, includes the nut, the self-locking subassembly is installed to the bottom of nut, and the ratchet is installed including installing in the spiral shell section of thick bamboo of nut bottom to the self-locking subassembly angle such as the outside of spiral shell section of thick bamboo, and the orientation of ratchet is screwed up opposite direction with the nut, and the joint unit is installed to angle such as the outside of ratchet, and the dismantlement subassembly is installed in the outside of spiral shell section of thick bamboo.

Preferably, the clamping unit comprises a rotary seat arranged on the outer side of the ratchet at an equal angle, a rotary block is rotatably connected inside the rotary seat, a pawl is arranged on one side of the rotary block, and the pawl is clamped with the ratchet.

Preferably, the outer side of the swivel base is provided with a mounting ring, and the mounting ring is sleeved on the outer side of the screw barrel.

Preferably, a side plate is installed on the outer side of the rotating block, a spring is installed on one side of the side plate, and one end of the spring is fixedly connected with the inner portion of the installing ring.

Preferably, the mounting ring is internally provided with screw holes at equal angles, and the screw holes are internally provided with fixing screws.

Preferably, the disassembling component comprises a ring groove arranged on the outer side of the screw barrel, and the ring groove is arranged above the ratchet.

Preferably, the go-between has been cup jointed to the inside of annular, and the connecting rod is installed to the angle such as the outside of go-between, and the connecting rod setting is the L type, the bottom of connecting rod and the roof fixed connection of collar.

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

(1) according to the utility model, the direction of the ratchet is opposite to the screwing direction of the nut, the mounting ring is fixed by the fixing screw, and when the nut is subjected to reverse force, the pawl is clamped with the ratchet, so that the nut cannot rotate reversely, the nut is self-locked, and the nut is prevented from loosening;

(2) this is novel through unscrewing set screw for the collar can move about, with go-between along annular rebound, drives the collar and removes to the top of ratchet, thereby makes pawl and ratchet no longer the joint, makes things convenient for the nut to dismantle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of the structure of the screw barrel according to the present invention;

FIG. 3 is a schematic view of a mounting ring structure of the present invention;

FIG. 4 is a schematic diagram of a clamping unit according to the present invention;

in the figure: 1. a nut; 2. a self-locking assembly; 201. a screw cylinder; 202. a ratchet; 203. a mounting ring; 204. a screw hole; 205. a set screw; 206. a clamping unit; 2061. rotating; 2062. rotating the block; 2063. a pawl; 2064. a side plate; 2065. a spring; 3. disassembling the assembly; 301. a connecting ring; 302. a ring groove; 303. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

First embodiment, as shown in fig. 1 to 4, the nut with the self-locking function of the present invention includes a nut 1, and a self-locking assembly 2 is installed at a bottom end of the nut 1.

In the second embodiment, on the basis of the first embodiment, the self-locking assembly 2 includes a screw cylinder 201 installed at the bottom end of the nut 1, a ratchet 202 is installed on the outer side of the screw cylinder 201 at an equal angle, the direction of the ratchet 202 is opposite to the screwing direction of the nut 1, a clamping unit 206 is installed on the outer side of the ratchet 202 at an equal angle, a disassembling assembly 3 is installed on the outer side of the screw cylinder 201, the clamping unit 206 includes a swivel base 2061 which is installed on the outer side of the ratchet 202 at an equal angle, a swivel block 2062 is rotatably connected to the inner side of the swivel base 2061, a pawl 2063 is installed on one side of the swivel block 2062, the pawl 2063 is clamped with the ratchet 202, an installation ring 203 is installed on the outer side of the swivel base 2061, the installation ring 203 is sleeved on the outer side of the screw cylinder 201, a side plate 2064 is installed on the outer side of the swivel block 2062, a spring 2065 is fixedly connected to the inner side of the installation ring 203, a screw hole 204 is formed in an equal angle inside of the installation ring 203, and a fixing screw 205 is installed inside of the screw hole 204;

because the orientation of the ratchet 202 is opposite to the screwing direction of the nut 1, and the mounting ring 203 is fixed by the fixing screw 205, when the nut 1 is subjected to reverse force, the pawl 2063 is clamped with the ratchet 202, so that the nut 1 cannot rotate reversely, the nut 1 is self-locked, and the nut 1 is prevented from being loosened.

In the third embodiment, on the basis of the first embodiment, the dismounting assembly 3 includes a ring groove 302 formed in the outer side of the barrel 201, the ring groove 302 is formed above the ratchet 202, a connecting ring 301 is sleeved inside the ring groove 302, connecting rods 303 are mounted on the outer side of the connecting ring 301 at equal angles, the connecting rods 303 are arranged in an L shape, and the bottom ends of the connecting rods 303 are fixedly connected with the top wall of the mounting ring 203;

when the mounting ring 203 can move, the connecting ring 301 moves upwards along the ring groove 302 to drive the mounting ring 203 to move above the ratchet 202, so that the pawl 2063 is not clamped with the ratchet 202 any more, and the nut 1 is convenient to disassemble.

The working principle is as follows: when the self-locking nut is used, the nut 1 is in threaded connection with the bolt, the nut 1 is screwed down, the bottom wall of the screw cylinder 201 is close to a plate body, the connecting ring 301 is pushed to move towards the bottom wall of the ratchet 202, the pawl 2063 on the inner side of the mounting ring 203 is clamped with the ratchet 202, the fixing screw 205 is in threaded connection with the plate body at the moment, the mounting ring 203 is fixed, the direction of the ratchet 202 is opposite to the screwing direction of the nut 1, the ratchet 202 is not blocked by the pawl 2063 in the process of continuously screwing the nut 1, and when the plate body is vibrated, the nut 1 is subjected to reverse ratchet force, the pawl 2063 is clamped with the ratchet 202, so that the nut 1 cannot rotate reversely, the nut 1 is self-locked, and the nut 1 is prevented from being loosened;

when the nut 1 is disassembled, the fixing screw 205 is unscrewed, the mounting ring 203 can move, and then the connecting ring 301 moves upwards along the annular groove 302, so that the mounting ring 203 moves upwards, and then the pawl 2063 is driven to move to the upper side of the ratchet 202, so that the pawl 2063 is not clamped with the ratchet 202, and the nut 1 is convenient to unscrew.

Claims

1. The utility model provides a nut with self-locking function, includes nut (1), its characterized in that: self-locking assembly (2) are installed to the bottom of nut (1), and self-locking assembly (2) is including installing in spiral shell (201) of nut (1) bottom, and ratchet (202) are installed to the angle such as the outside of spiral shell (201), and the orientation of ratchet (202) is opposite with nut (1) tightening direction, and joint unit (206) are installed to the angle such as the outside of ratchet (202), and dismantlement subassembly (3) are installed in the outside of spiral shell (201).

2. The nut with the self-locking function according to claim 1, wherein: the clamping unit (206) comprises a rotating seat (2061) which is arranged on the outer side of the ratchet (202) at an equal angle, a rotating block (2062) is rotatably connected inside the rotating seat (2061), a pawl (2063) is installed on one side of the rotating block (2062), and the pawl (2063) is clamped with the ratchet (202).

3. The nut with the self-locking function according to claim 2, wherein: and a mounting ring (203) is mounted on the outer side of the rotating seat (2061), and the mounting ring (203) is sleeved on the outer side of the screw cylinder (201).

4. The nut with the self-locking function according to claim 2, wherein: a side plate (2064) is installed on the outer side of the rotating block (2062), a spring (2065) is installed on one side of the side plate (2064), and one end of the spring (2065) is fixedly connected with the inner portion of the mounting ring (203).

5. The nut with the self-locking function according to claim 3, wherein: screw holes (204) are formed in the mounting ring (203) at equal angles, and fixing screws (205) are mounted in the screw holes (204).

6. The nut with the self-locking function according to claim 1, wherein: the disassembling component (3) comprises a ring groove (302) arranged on the outer side of the screw cylinder (201), and the ring groove (302) is arranged above the ratchet (202).

7. The nut with the self-locking function according to claim 6, wherein: connecting ring (301) has been cup jointed to the inside of annular (302), and connecting rod (303) are installed to the angle such as the outside of connecting ring (301), and connecting rod (303) set up to be the L type, the top wall fixed connection of the bottom of connecting rod (303) and collar (203).