CN217130059U

CN217130059U - Anti-vibration check bolt nut fastener for railway engineering

Info

Publication number: CN217130059U
Application number: CN202220404064.8U
Authority: CN
Inventors: 俞国钧; 高秋香; 吉加龙; 蒋晶; 曹义
Original assignee: Taizhou Liujie Metal Technology Co ltd
Current assignee: Taizhou Liujie Metal Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-05
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a railway engineering uses anti vibration check bolt nut fastener, including the bolt, the bolt with fasten thing threaded connection, the bolt bottom surface is installed the spring holder, the spring holder is inside to inlay and be connected with the pressure spring, the sleeve is installed to the pressure spring below, install the stopping gasket between sleeve and the upper surface of the thing of being fastened; the gasket, the locking nut and the locknut are utilized, the gasket and the locking nut are both in threaded connection with the first threaded column so as to fix a fastened object, a slot is formed in the inner lower portion of the gasket, the upper surface of the locking nut is provided with a plug-in block, corresponding threads are formed in the slot and the plug-in block, and the plug-in block is inserted into the slot so that the gasket and the locking nut are connected more tightly; simultaneously first screw thread post is opposite with second screw thread post screw thread spiral direction, and lock nut threaded connection further carries out spacing fixed to fastening nut on the second screw thread post, plays fine locking effect.

Description

Anti-vibration check bolt nut fastener for railway engineering

Technical Field

The utility model relates to a fastener technical field for the railway specifically is a railway engineering is with anti vibration check bolt nut fastener.

Background

Along with the continuous development of science and technology, high-speed railway develops gradually, rail vehicle need have the energy to provide power when the operation, high-speed railway contact net is the equipment that provides the energy for rail vehicle, high-speed railway contact net need use the fastener when putting up, generally bolt and nut directly fix, nevertheless single bolt and nut are fixed and are used easily and take place not hard up for a long time, the operating condition of railway is abominable in addition, the natural environment influence is big, the reliability and the stability requirement to the fastener is very high, for this we provide a railway engineering with anti vibration check bolt nut fastener.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway engineering is with anti vibration check bolt nut fastener to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a railway engineering is with anti vibration check bolt nut fastener, includes the bolt, the bolt with fasten thing threaded connection, the spring holder is installed to the bolt bottom surface, the inside pressure spring that is connected with of inlaying of spring holder, the sleeve is installed to the pressure spring below, the sleeve with fasten and install the stopping gasket between the thing upper surface, it has the gasket to fasten thing bottom surface and bolted connection department threaded connection, the gasket below is fixed through lock nut, and lock nut below detachable is connected with lock nut.

Preferably, the bolt further comprises a bolt body, a stud, an expansion ring, a first threaded column and a second threaded column, the bottom surface of the bolt body is detachably connected with the spring seat, and the locknut is in threaded connection with the second threaded column.

Preferably, the first threaded column and the second threaded column have opposite thread directions, and the diameter of the first threaded column is larger than that of the second threaded column.

Preferably, the sleeve is mounted above the expansion ring, and the diameter of the sleeve is smaller than that of the expansion ring.

Preferably, the gasket and the lock nut are both installed on the first threaded column, and the centers of the gasket and the lock nut are both provided with internal threads corresponding to the first threaded column.

Preferably, the retaining gasket is a six-claw retaining gasket, and the retaining gasket is made of stainless steel.

Preferably, a slot is arranged below the inner part of the gasket, an insertion block is arranged on the upper surface of the locking nut, and corresponding threads are arranged on the slot and the insertion block.

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

1. utilize pressure spring, sleeve and stopping gasket, stopping gasket top and sleeve looks butt, when the emergence vibration, the stopping gasket makes sleeve rebound compression pressure spring, plays fine anti vibration effect.

2. The gasket, the locking nut and the locknut are utilized, the gasket and the locking nut are both in threaded connection with the first threaded column so as to fix a fastened object, a slot is formed in the inner lower portion of the gasket, an inserting block is arranged on the upper surface of the locking nut, corresponding threads are formed in the slot and the inserting block, and the inserting block is inserted into the slot so that the gasket and the locking nut are connected more tightly; simultaneously first screw thread post is opposite with second screw thread post screw thread spiral direction, and lock nut threaded connection further carries out spacing fixed to lock nut on the second screw thread post, plays fine locking effect.

Drawings

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

FIG. 2 is an internal cross-sectional view of the present application;

fig. 3 is a schematic structural view of the bolt of the present invention;

fig. 4 is a schematic structural diagram of the lock nut of the present invention.

In the figure: the bolt comprises a bolt 1, a bolt body 11, a stud 12, an expansion ring 13, a first threaded column 14, a second threaded column 15, a spring seat 2, a pressure spring 3, a sleeve 4, a retaining gasket 5, a gasket 6, a locking nut 7, a locknut 8, a fastened object 9, an internal thread 10, a slot 61 and an insertion block 71.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a railway engineering uses anti vibration check bolt nut fastener, including bolt 1, bolt 1 and the 9 threaded connection of fastened thing, spring holder 2 is installed to bolt 1 bottom surface, 2 inside inlays of spring holder and is connected with pressure spring 3, sleeve 4 is installed to pressure spring 3 below, install stopping gasket 5 between sleeve 4 and the 9 upper surfaces of fastened thing, utilize the pressure spring 3, sleeve 4 and stopping gasket 5, 5 tops of stopping gasket and sleeve 4 looks butt, when the emergence vibration, stopping gasket 5 makes sleeve 4 rebound compression pressure spring 3, play fine anti vibration effect, there is gasket 6 fastened thing 9 bottom surface and bolt 1 junction threaded connection, gasket 6 below is fixed through lock nut 7, and lock nut 7 below detachable is connected with lock nut 8.

Further, bolt 1 still includes bolt body 11, double-screw bolt 12, expansion ring 13, first screw post 14 and

second screw post

15, and 11 bottom surfaces of bolt body can be dismantled with spring holder 2 and be connected, and locknut 8 threaded connection is on second screw post 15, and further carries out spacing fixed to fastening nut 7, plays fine locking effect.

Further, the first threaded post 14 is threaded in the opposite direction to the second threaded post 15, and the first threaded post 14 has a diameter greater than the diameter of the second threaded post 15.

Further, the sleeve 4 is mounted above the expansion ring 13, and the inner diameter of the sleeve 4 is smaller than the diameter of the expansion ring 13.

Further, the gasket 6 and the lock nut 7 are both mounted on the first threaded column 14, and the centers of the gasket 6 and the lock nut 7 are both provided with internal threads 10 corresponding to the first threaded column 14, so as to fix the fastened object 9.

Further, the retaining gasket 5 is a six-claw retaining gasket, and the material of the retaining gasket 5 is stainless steel.

Further, a slot 61 is arranged below the inner portion of the gasket 6, an insertion block 71 is arranged on the upper surface of the lock nut 7, corresponding threads are arranged on the slot 61 and the insertion block 71, and the gasket 6 and the lock nut 7 are connected more tightly by inserting the insertion block 71 into the slot 61.

The working principle is as follows: when the device is used, the bolt 1 is inserted into an object to be fastened 9, the joint of the bottom surface of the object to be fastened 9 and the bolt 1 is fixed by the gasket 6 and the locking nut 7, the inserting groove 61 is formed in the lower portion of the inner portion of the gasket 6, the inserting block 71 is arranged on the upper surface of the locking nut 7, corresponding threads are formed in the inserting groove 61 and the inserting block 71, and the gasket 6 is connected with the locking nut 7 more tightly by inserting the inserting block 71 into the inserting groove 61; the locknut 8 is in threaded connection with the second threaded column 15, and the locknut 7 is further limited and fixed, so that a good locking effect is achieved; when vibration occurs, the retaining gasket 5 enables the sleeve 4 to move upwards to compress the pressure spring 3, and a good vibration resisting effect 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a railway engineering is with anti vibration check bolt nut fastener, includes bolt (1), its characterized in that, bolt (1) and fastened thing (9) threaded connection, spring holder (2) are installed to bolt (1) bottom surface, spring holder (2) inside is inlayed and is connected with pressure spring (3), sleeve (4) are installed to pressure spring (3) below, sleeve (4) and by installing stopping gasket (5) between fastened thing (9) upper surface, by fastened thing (9) bottom surface and bolt (1) junction threaded connection have gasket (6), gasket (6) below is fixed through lock nut (7), and lock nut (7) below detachable is connected with lock nut (8).

2. The anti-vibration lock bolt nut fastener for railway engineering according to claim 1, characterized in that: the bolt (1) further comprises a bolt body (11), a stud (12), an expansion ring (13), a first threaded column (14) and a second threaded column (15), the bottom surface of the bolt body (11) is detachably connected with the spring seat (2), and the locknut (8) is in threaded connection with the second threaded column (15).

3. The anti-vibration lock bolt nut fastener for railway engineering according to claim 2, characterized in that: the thread turning directions of the first threaded column (14) and the second threaded column (15) are opposite, and the diameter of the first threaded column (14) is larger than that of the second threaded column (15).

4. The anti-vibration lock bolt nut fastener for railway engineering according to claim 3, characterized in that: the sleeve (4) is arranged above the expansion ring (13), and the diameter of the sleeve (4) is smaller than that of the expansion ring (13).

5. The anti-vibration lock bolt nut fastener for railway engineering according to claim 2, characterized in that: the gasket (6) and the locking nut (7) are both installed on the first threaded column (14), and the centers of the gasket (6) and the locking nut (7) are both provided with internal threads (10) corresponding to the first threaded column (14).

6. The anti-vibration lock bolt nut fastener for railway engineering as claimed in claim 1, characterized in that: the retaining gasket (5) is a six-claw retaining gasket, and the retaining gasket (5) is made of stainless steel.

7. The anti-vibration lock bolt nut fastener for railway engineering according to claim 1, characterized in that: the novel locking nut is characterized in that a slot (61) is formed in the lower portion of the inner portion of the gasket (6), an inserting block (71) is arranged on the upper surface of the locking nut (7), and corresponding threads are formed in the slot (61) and the inserting block (71).