CN216691818U

CN216691818U - Improved locking nut

Info

Publication number: CN216691818U
Application number: CN202122725958.5U
Authority: CN
Inventors: 盛系精
Original assignee: Changzhou Ganuosheng Mechanical Equipment Co ltd
Current assignee: Changzhou Ganuosheng Mechanical Equipment Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-07
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to an improved locking nut which comprises a nut body, wherein a screw is arranged in the nut body, an end cap is arranged at the top end of the screw, a first limiting block is arranged on the lower end face of the end cap, a plurality of first limiting blocks are arranged in the circumferential direction of the first limiting blocks, a limiting ring is arranged at the upper end of the nut body, a second limiting block is arranged at the upper end face of the limiting ring corresponding to the first limiting blocks, fixing rods are arranged on the lower end face of the limiting ring, a plurality of fixing rods are arranged in the circumferential direction of the fixing rods, through holes are formed in the upper end face of the nut body corresponding to the fixing rods, a bottom cover is arranged at the bottom end of the nut body, a connecting ring is arranged at the upper end of the bottom cover, an annular groove is formed in the lower end face of the nut body corresponding to the connecting ring, and the connecting ring is in threaded connection with the annular groove; the first limiting block and the second limiting block are designed and locked in a matched mode; and the design of the bottom cover is used for fixing and limiting.

Description

Improved locking nut

Technical Field

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

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, an element which is necessary for producing and manufacturing machinery is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, and the nut and the bolt are mechanical fixing pieces with wide application. When a common nut is matched with a bolt to fix a mechanical part, the time is long due to mechanical movement or vibration, and the nut is easy to loosen and fall off, so that a fixed part is displaced or loosened. Damage to mechanical parts may occur on a light basis and failure or accident may occur on a heavy basis. In order to solve the problem of loosening of nuts, people design a plurality of loosening prevention nuts or devices according to different application conditions and environments, and although the existing patent such as patent No. 201210462188.2 comprises a metal nut, a threaded rod, a metal ring and the like, the device has good yield stress when in use, the locking effect of the device is not strong when in use, and the device is troublesome to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides an improved lock nut.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an improved locking nut, includes the nut body, this internal screw rod that is equipped with of nut, the screw rod top is equipped with the end cap, the terminal surface is equipped with first stopper under the end cap, be provided with a plurality ofly on the first stopper circumferencial direction, nut body upper end is equipped with the spacing ring, the spacing ring up end corresponds a plurality ofly first stopper all is equipped with the second stopper, the terminal surface is equipped with the dead lever under the spacing ring, be provided with a plurality ofly on the dead lever circumferencial direction, nut body up end corresponds a plurality ofly the through-hole has been seted up to the dead lever, nut body bottom is equipped with the bottom, the bottom upper end is equipped with the go-between, nut body down end-surface corresponds the go-between has seted up the annular groove, go-between and annular groove threaded connection.

In a further preferred mode, the first limiting blocks and the second limiting blocks are arranged in a reverse mode, and locking is facilitated.

Preferably, the inner wall of the nut body is provided with a plurality of bumps, and the bumps are circumferentially arranged to ensure internal locking.

Preferably in further, the outer end of the nut body is provided with a plurality of fixing blocks, and the fixing blocks are arranged in the circumferential direction, so that the rotation operation is facilitated.

In further preferred, it is a plurality of the dead lever bottom is connected and is equipped with solid fixed ring, the terminal surface corresponds under the nut body gu fixed ring has seted up the mounting groove, guarantees that a plurality of dead levers cooperate stably.

In a further preferred mode, the outer end of the bottom cover is provided with an anti-slip rubber sleeve, so that the bottom cover can rotate conveniently.

(III) advantageous effects

Compared with the prior art, the utility model provides an improved locking nut, which has the following beneficial effects:

according to the utility model, due to the design of the first limiting block and the second limiting block, when the screw and the nut body are installed in a matched manner, the end cap with the first limiting block is matched with the limiting ring with the second limiting block, a plurality of first limiting blocks and second limiting blocks are preferably made of elastic metal, and the first limiting blocks and the second limiting blocks are matched and locked; the fixing rod and the fixing ring are designed, the fixing ring is pushed to enter the mounting groove, the fixing ring drives the fixing rod to slide along the through hole, the limiting ring is further driven to move upwards, and the fixing rod is guaranteed to be stably matched; the design of bottom, solid fixed ring back in getting into the mounting groove, the gripping has the bottom of antiskid rubber sleeve, and go-between and ring channel screw-thread fit on the bottom realize the screwing up of bottom fixed, realize spacingly to the dead lever.

Drawings

FIG. 1 is a schematic view of a preferred overall construction of an improved lock nut of the present invention;

FIG. 2 is a schematic cross-sectional view of a preferred nut body, projection and retaining block mating arrangement for an improved locking nut of the present invention;

FIG. 3 is a schematic diagram of a preferred matching structure of a limiting ring, a second limiting block, a fixing rod and a fixing ring of the improved lock nut of the utility model;

fig. 4 is a schematic view of the preferred bottom cover, connecting ring and anti-slip rubber sleeve matching structure of the improved lock nut of the present invention.

In the figure: 1. a nut body; 2. a screw; 3. an end cap; 4. a first stopper; 5. a limiting ring; 6. a second limiting block; 7. fixing the rod; 8. a through hole; 9. a bottom cover; 10. a connecting ring; 11. an annular groove; 12. a bump; 13. a fixed block; 14. a fixing ring; 15. mounting grooves; 16. an antiskid rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

The first embodiment is as follows:

please refer to fig. 1-4, an improved locking nut includes a nut body 1, a screw rod 2 is arranged in the nut body 1, an end cap 3 is arranged at the top end of the screw rod 2, a first limiting block 4 is arranged on the lower end face of the end cap 3, a plurality of limiting rings are arranged on the first limiting block 4 in the circumferential direction, a limiting ring 5 is arranged on the upper end of the nut body 1, the upper end face of the limiting ring 5 corresponds to the plurality of first limiting blocks 4 and is provided with a second limiting block 6, a fixing rod 7 is arranged on the lower end face of the limiting ring 5, a plurality of fixing rods 7 are arranged on the circumferential direction, through holes 8 are arranged on the upper end face of the nut body 1 corresponding to the plurality of fixing rods 7, a bottom cover 9 is arranged at the bottom end of the nut body 1, a connecting ring 10 is arranged on the upper end face of the bottom cover 9, an annular groove 11 is arranged on the lower end face of the nut body 1 corresponding to the connecting ring 10, and the connecting ring 10 is in threaded connection with the annular groove 11.

Referring to fig. 1 and 3, in this embodiment, the first stoppers 4 and the second stoppers 6 are both disposed in opposite directions, the end caps 3 having the first stoppers 4 are matched with the stopper rings 5 having the second stoppers 6, and the first stoppers 4 and the second stoppers 6 are preferably made of elastic metal.

Referring to fig. 2 and 3, in this embodiment, a plurality of bumps 12 are disposed on an inner wall of the nut body 1, a plurality of bumps 12 are disposed in a circumferential direction, a fixing block 13 is disposed at an outer end of the nut body 1, a plurality of fixing blocks 13 are disposed in the circumferential direction, a fixing ring 14 is connected to bottom ends of the fixing rods 7, a mounting groove 15 is formed in a lower end face of the nut body 1 corresponding to the fixing ring 14, the fixing ring 14 is pushed into the mounting groove 15, during mounting, the fixing block 13 is grasped to rotate the nut body 1, and the bumps 12 on the inner wall enable the nut body 1 and the screw rod 2 to be better engaged.

Referring to fig. 4, in the present embodiment, the outer end of the bottom cover 9 is provided with an anti-slip rubber sleeve 16, the bottom cover 9 with the anti-slip rubber sleeve 16 is grasped, and the bottom cover 9 is rotated.

The second embodiment:

in conclusion, when the device is used, the whole device is firstly installed, the fixing ring 14 is pushed into the installation groove 15, the fixing ring 14 drives the fixing rod 7 to slide along the through hole 8, further driving the limiting ring 5 to move upwards, after the fixing ring 14 enters the mounting groove 15, gripping the bottom cover 9 with the anti-skid rubber sleeve 16, matching the connecting ring 10 on the bottom cover 9 with the annular groove 11 through threads to realize the screwing and fixing of the bottom cover 9, after the bottom cover 9 is mounted, the fixed limit of the fixed rod 7 and the fixed ring 14 is realized, so as to ensure the stability of the limit ring 5 with the second limit block 6, when the screw rod 2 with the end cap 3 is installed and the screw rod 2 is in thread fit with the nut body 1, the screw rod 2 is downwards opposite to the nut body 1, and the screw rod 2 is in fit installation with the nut body 1, end cap 3 with first stopper 4 and the spacing ring 5 cooperation that has second stopper 6, a plurality of first stoppers 4 and second stopper 6 prefer to use elastic metal.

Example three:

in conclusion, when the nut is used, the external threads on the screw rod 2 are matched with the internal threads in the nut body 1, the nut body 1 and the screw rod 2 are better meshed through the convex blocks 12 on the inner wall, elastic metal is preferably selected for the convex blocks 12, the connected object can be better locked when the connected object generates vibration, when the nut body 1 needs to be disassembled, the bottom cover 9 with the anti-skidding rubber sleeve 16 is grasped, the bottom cover 9 with the connecting ring 10 is taken down, the fixing rod 7 is not extruded by the bottom cover 9, the fixing rod 7 slides downwards relative to the through hole 8, the limiting ring 5 is driven to move downwards relatively, the first limiting block 4 and the second limiting block 6 are not limited mutually, the screw rod 2 is convenient to rotate and is not locked, the grasping fixing block 13 rotates the nut body 1, and disassembly is achieved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An improved locking nut comprises a nut body (1), wherein a screw rod (2) is arranged in the nut body (1), an end cap (3) is arranged at the top end of the screw rod (2), and is characterized in that a first limiting block (4) is arranged on the lower end face of the end cap (3), a plurality of first limiting blocks (4) are arranged in the circumferential direction, a limiting ring (5) is arranged at the upper end of the nut body (1), a plurality of second limiting blocks (6) are arranged on the upper end face of the limiting ring (5) corresponding to the first limiting blocks (4), a plurality of fixing rods (7) are arranged on the lower end face of the limiting ring (5), a plurality of fixing rods (7) are arranged in the circumferential direction, through holes (8) are formed in the upper end face of the nut body (1) corresponding to the plurality of fixing rods (7), a bottom cover (9) is arranged at the bottom end of the nut body (1), and a connecting ring (10) is arranged at the upper end of the bottom cover (9), the lower end face of the nut body (1) is provided with an annular groove (11) corresponding to the connecting ring (10), and the connecting ring (10) is in threaded connection with the annular groove (11).

2. An improved lock nut as defined in claim 1, wherein: the first limiting blocks (4) and the second limiting blocks (6) are arranged in opposite directions.

3. An improved lock nut as defined in claim 1, wherein: the nut is characterized in that a plurality of convex blocks (12) are arranged on the inner wall of the nut body (1), and the plurality of convex blocks (12) are arranged in the circumferential direction.

4. An improved lock nut as defined in claim 3, wherein: the nut body (1) outer end is equipped with fixed block (13), be provided with a plurality ofly on the fixed block (13) circumferencial direction.

5. An improved lock nut as defined in claim 4, wherein: a plurality of dead lever (7) bottom is connected and is equipped with solid fixed ring (14), nut body (1) lower terminal surface corresponds gu fixed ring (14) has seted up mounting groove (15).

6. An improved lock nut as defined in claim 1, wherein: and an anti-slip rubber sleeve (16) is arranged at the outer end of the bottom cover (9).