CN212959457U

CN212959457U - Wear-resisting type nut convenient to screw up

Info

Publication number: CN212959457U
Application number: CN202021343602.4U
Authority: CN
Inventors: 朱玉传
Original assignee: Shenyang Boyan Railway Vehicle Fittings Co ltd
Current assignee: Shenyang Boyan Railway Vehicle Fittings Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-13
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a wear-resisting type nut convenient to screw up, including interior nut, outer nut, installation piece and wearing layer, the storage tank has been seted up to interior nut's inner wall surface, and the internally mounted of storage tank has the spring, interior nut's the outside is connected with outer nut, and outer nut's lower terminal surface is fixed with the lug, the blind groove has all been seted up to outer nut's the left and right sides, one side of axis of rotation is connected with the installation piece, the edge of blind groove is provided with spacing limit, the wearing layer is all installed to interior nut and outer nut's surface. This wear-resisting type nut convenient to screw up, outer nut's surface symmetry is provided with the installation piece, rotates the installation piece through the inside at the camera obscura, is convenient for stretch out the installation piece on outer nut's surface, utilizes the installation piece can increase the stress point of contact between operating personnel's the hand and the outer nut, need not use dedicated instrument can screw up work to the inner nut, has increased holistic practicality.

Description

Wear-resisting type nut convenient to screw up

Technical Field

The utility model relates to a relevant technical field of nut specifically is a wear-resisting type nut convenient to screw up.

Background

The nut is also called as a nut, is a part capable of tightly connecting mechanical equipment, is connected with a screw or a bolt with the same specification and model through an inner thread and plays a role in fastening, generally comprises carbon steel, stainless steel, nonferrous metal and the like, and the fastener consisting of the nut and the bolt or the screw is widely applied to the mechanical equipment in various fields of production, processing, science and technology and the like, but the existing nut has certain defects.

The existing nut has a single structure and poor wear resistance, needs a special tool for installation and disassembly, cannot achieve the effect of convenient installation, has certain limitation, is easy to loose due to external vibration in the use process of the nut, greatly influences the normal work of the nut,

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting type nut convenient to screw up to it is relatively poor to propose current nut wearability among the above-mentioned background art to solve, need use dedicated instrument to install and dismantle, does not reach the effect of convenient installation, has certain limitation, does not reach the effect of convenient installation, receives outside vibrations easily and appears becoming flexible, influences the normal operating problem of nut.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting type nut convenient to screw up, includes interior nut, outer nut, installation piece and wearing layer, the storage tank has been seted up on interior nut's inner wall surface, and the internally mounted of storage tank has the spring, the outside of interior nut is connected with outer nut, and outer nut's lower terminal surface is fixed with the lug to the lower surface of lug and the upper surface interconnect of spring, the camera apron has all been seted up to the left and right sides of outer nut, and the internally mounted of camera apron has the axis of rotation, and the inside of camera apron is provided with the draw-in groove, one side of axis of rotation is connected with the installation piece, and the fixed surface of installation piece has the fixture block to the embedded inside of installing at the draw-in groove of fixture block, the edge of camera apron is provided with spacing limit, the wearing layer is all.

Preferably, the surfaces of the inner nuts are provided with containing grooves arranged at equal angles, and the containing grooves are connected with the projections in a clamping manner.

Preferably, the lug and the inner nut form a telescopic structure through a spring, and the inner nut and the outer nut are in rotary connection.

Preferably, the mounting block and the outer nut form a rotating structure through a rotating shaft, and the mounting block is symmetrically arranged about a center point of the outer nut by 2, and the height of the mounting block is smaller than that of the outer nut.

Preferably, the clamping block is connected with the clamping groove in a clamping mode, the clamping block mounting block is of an integrated structure, and the mounting block is connected with the limiting edge in a clamping mode.

Preferably, the wear-resistant layer is made of a molybdenum disulfide coating material, and the wear-resistant layer is fixedly connected with the inner nut and the outer nut.

Compared with the prior art, the beneficial effects of the utility model are that: the wear-resistant nut convenient to screw down,

1. the installation blocks are symmetrically arranged on the surface of the outer nut, the installation blocks can be rotated in the blind groove, so that the installation blocks can be conveniently stretched out of the surface of the outer nut, the stress points of contact between the hands of an operator and the outer nut can be increased by using the installation blocks, the inner nut can be screwed without using a special tool, and the overall practicability is improved;

2. the inner nut and the outer nut are combined, the outer nut slides on the surface of the inner nut and drives the lug to be clamped in the accommodating groove when being screwed, so that the screwed inner nut cannot be easily rotated, the spring arranged in the accommodating groove can prevent the vibration applied to the outer part of the outer nut from being transferred to the surface of the inner nut to cause the loosening of the inner nut, and the better effects of preventing disassembly and loosening are achieved;

3. the wear-resistant layers made of the molybdenum disulfide coating materials are fixed on the outer surfaces of the inner nut and the outer nut, so that the surface strength of the inner nut and the outer nut can be increased, better protection performance is achieved, friction damage between the inner nut and the outer nut can be avoided, surface abrasion is reduced, and the service life of the whole device is greatly prolonged.

Drawings

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

FIG. 2 is a schematic view of the installation structure of the installation block and the blind groove of the present invention;

FIG. 3 is a schematic view of the installation block of the present invention showing an expanded top view;

fig. 4 is a schematic view of the overlooking structure of the installation of the inner nut and the accommodating groove of the present invention;

fig. 5 is a schematic view of the front view structure of the outer nut and the wear-resistant layer of the present invention.

In the figure: 1. an inner nut; 2. a containing groove; 3. a spring; 4. an outer nut; 5. a bump; 6. a hidden groove; 7. a rotating shaft; 8. a card slot; 9. mounting blocks; 10. a clamping block; 11. a limiting edge; 12. and a wear-resistant layer.

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 wear-resistant nut convenient to screw comprises an inner nut 1, an accommodating groove 2, a spring 3, an outer nut 4, a convex block 5, a blind groove 6, a rotating shaft 7, a clamping groove 8, an installation block 9, a clamping block 10, a limiting edge 11 and a wear-resistant layer 12, wherein the accommodating groove 2 is formed in the surface of the inner wall of the inner nut 1, the spring 3 is installed inside the accommodating groove 2, the outer nut 4 is connected to the outer side of the inner nut 1, the convex block 5 is fixed to the lower end surface of the outer nut 4, the lower surface of the convex block 5 is connected with the upper surface of the spring 3, the blind grooves 6 are formed in the left side and the right side of the outer nut 4, the rotating shaft 7 is installed inside the blind groove 6, the clamping groove 8 is formed in the blind groove 6, the installation block 9 is connected to one side of the rotating shaft 7, the clamping block 10 is fixed to the surface of the installation block 9, the clamping block 10, the outer surfaces of the inner nut 1 and the outer nut 4 are both provided with a wear-resistant layer 12;

the containing grooves 2 are arranged on the surface of the inner nut 1 at equal angles, the containing grooves 2 are connected with the convex blocks 5 in a clamping manner, the outer nut 4 is conveniently used for driving the inner nut 1 to be screwed by clamping the convex blocks 5 into the corresponding containing grooves 2, and the containing grooves 2 arranged at equal angles can enable the outer nut 4 and the inner nut 1 to be stressed uniformly;

the lug 5 and the inner nut 1 form a telescopic structure through the spring 3, the inner nut 1 is rotatably connected with the outer nut 4, and the inner nut 1 and the outer nut 4 are rotatably connected, so that when the lug 5 is not clamped in the corresponding accommodating groove 2, the outer nut 4 cannot drive the inner nut 1 to rotate, a better effect of placing and disassembling is achieved, the arranged spring 3 can also reduce the force applied to the outer nut 4 and directly acts on the surface of the inner nut 1, and the inner nut 1 is prevented from loosening due to external force;

the mounting blocks 9 and the outer nut 4 form a rotating structure through the rotating shaft 7, 2 mounting blocks 9 are symmetrically arranged about the central point of the outer nut 4, the height of each mounting block 9 is smaller than that of the outer nut 4, the mounting blocks 9 are small in height, so that the mounting blocks 9 can be integrally rotated and stored in the outer nut 4, a good concealing effect is achieved, the rotating range of the mounting blocks 9 is A (A is more than 0 degree and less than or equal to 150 degrees), the symmetrically arranged mounting blocks 9 can simultaneously apply thrust from two sides of the outer nut 4, and convenience in the screwing process of the inner nut 1 is improved;

the fixture block 10 is connected with the clamping groove 8 in a clamping manner, the fixture block 10 and the mounting block 9 are of an integrated structure, the mounting block 9 is connected with the limiting edge 11 in a clamping manner, the fixture block 10 is clamped inside the clamping groove 8, the mounting stability of the mounting block 9 inside the blind groove 6 can be improved, the phenomenon that the mounting block 9 rotates out in the using process is avoided, and the normal work of the device is guaranteed;

the wear-resistant layer 12 is made of a molybdenum disulfide coating material, the wear-resistant layer 12 is fixedly connected with the inner nut 1 and the outer nut 4, and the molybdenum disulfide coating has excellent wear resistance and bearing property, so that friction damage between the inner nut 1 and the outer nut 4 can be avoided, the wear of the surfaces of the inner nut 1 and the outer nut 4 in the use process is reduced, and the service life of the whole device is prolonged;

the working principle is as follows: when the wear-resistant nut convenient for screwing is used, as shown in fig. 1-5, during screwing, the mounting block 9 is firstly rotated out of the inner part of the blind groove 6, the clamping block 10 is separated from the inner part of the clamping groove 8, the mounting block 9 is abutted against the surface of the limiting edge 11, then the outer nut 4 is pressed downwards, the outer nut 4 is used for driving the lug 5 to extrude the spring 3 to shrink and be clamped in the accommodating groove 2, at the moment, the mounting block 9 is pinched by hands to easily drive the inner nut 1 to rotate, the stress point of contact between the hand and the outer nut 4 can be increased by using the mounting block 9, the inner nut 1 can be screwed without using a special tool, after the inner nut 1 is screwed, the pressing on the outer nut 4 is loosened, the lug 5 is pushed by using the elastic force of the spring 3 to be separated from the inner part of the accommodating groove 2, then the mounting block 9 is rotated, so that the mounting block 9 is rotated through the rotating shaft 7 and is accommodated in the blind groove 6, the clamping block 10 on the surface of the mounting block 9 can be synchronously clamped into the clamping groove 8, the inner nut 1 can be driven to be screwed up through the outer nut 4 by clamping connection between the convex block 5 and the accommodating groove 2, the arranged spring 3 can also prevent the inner nut 1 from loosening caused by vibration on the surface of the outer nut 4, and good anti-disassembly and anti-loosening effects are achieved;

when the inner nut 1 needs to be disassembled, as described above, the mounting block 9 is rotated out from the inner part of the blind groove 6, the outer nut 4 is pressed, the outer nut 4 is driven to rotate reversely by the outer nut 4, the outer nut 4 can be disassembled from the surface of the bolt or the screw, the operation is very simple, the wear-resistant layers 12 are fixed on the surfaces of the inner nut 1 and the outer nut 4, the wear-resistant layers 12 are made of molybdenum disulfide coatings, the molybdenum disulfide coatings have excellent wear resistance and bearing property, the structural strength of the surfaces of the inner nut 1 and the outer nut 4 can be effectively improved, the friction damage between the inner nut 1 and the outer nut 4 can be avoided, the wear of the surfaces of the inner nut 1 and the outer nut 4 in the use process is reduced, meanwhile, the matching tolerance of the inner nut 1 and the outer nut 4 cannot be changed due to the small particle size of the molybdenum disulfide particles, the service life of the inner nut 1 and the outer nut 4 is prolonged, and the normal use of the inner nut 1 and the outer nut 4 is And the overall practicability is increased.

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 wear-resisting type nut convenient to screw up, includes internal nut (1), external nut (4), installation piece (9) and wearing layer (12), its characterized in that: the inner wall surface of the inner nut (1) is provided with a containing groove (2), a spring (3) is arranged in the containing groove (2), the outer side of the inner nut (1) is connected with an outer nut (4), the lower end surface of the outer nut (4) is fixed with a convex block (5), and the lower surface of the projection (5) and the upper surface of the spring (3) are connected with each other, the left side and the right side of the outer nut (4) are both provided with a hidden groove (6), a rotating shaft (7) is arranged in the hidden groove (6), a clamping groove (8) is arranged in the blind groove (6), one side of the rotating shaft (7) is connected with an installation block (9), a clamping block (10) is fixed on the surface of the installation block (9), the clamping block (10) is embedded in the clamping groove (8), a limiting edge (11) is arranged at the edge of the blind groove (6), wear-resisting layers (12) are arranged on the outer surfaces of the inner nut (1) and the outer nut (4).

2. A wear-resistant nut that facilitates tightening as defined in claim 1, wherein: the surface of the inner nut (1) is provided with containing grooves (2) at equal angles, and the containing grooves (2) are connected with the convex blocks (5) in a clamping manner.

3. A wear-resistant nut that facilitates tightening as defined in claim 1, wherein: the lug (5) and the inner nut (1) form a telescopic structure through the spring (3), and the inner nut (1) is rotatably connected with the outer nut (4).

4. A wear-resistant nut that facilitates tightening as defined in claim 1, wherein: the mounting blocks (9) and the outer nut (4) form a rotating structure through a rotating shaft (7), 2 mounting blocks (9) are symmetrically arranged around the center point of the outer nut (4), and the height of each mounting block (9) is smaller than that of the outer nut (4).

5. A wear-resistant nut that facilitates tightening as defined in claim 1, wherein: the clamping block (10) is connected with the clamping groove (8) in a clamping mode, the clamping block (10) and the mounting block (9) are of an integrated structure, and the mounting block (9) is connected with the limiting edge (11) in a clamping mode.

6. A wear-resistant nut that facilitates tightening as defined in claim 1, wherein: the wear-resistant layer (12) is made of a molybdenum disulfide coating material, and the wear-resistant layer (12) is fixedly connected with the inner nut (1) and the outer nut (4).