CN214698727U

CN214698727U - Special bolt of bearing surface antiskid structure

Info

Publication number: CN214698727U
Application number: CN202022671811.8U
Authority: CN
Inventors: 江国祥; 陈文春; 唐朋
Original assignee: Zhejiang Huayuan Automobile Technology Co ltd
Current assignee: Zhejiang Huayuan Automobile Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-11-12
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a bearing surface anti-skidding structure's special bolt, its technical scheme main points are including screw and nut, can dismantle between screw and the nut and be connected, the terminal surface is provided with the connecting block under the nut, connecting block and nut fixed connection, the terminal surface is provided with the fixed block with connecting block looks adaptation on the screw, can mutual adaptation be fixed in order to prevent screw circumferential direction between fixed block and the connecting block, this bolt construction can effectually prevent not hard up to cause dropping of spare part.

Description

Special bolt of bearing surface antiskid structure

Technical Field

The utility model relates to a bearing surface antiskid structure's special bolt.

Background

At present, ordinary screws generally do not have the locking function, can satisfy the operation requirement basically in general occasion, but in some occasions that the vibration is great or the vibration is more frequent, because the reason of vibration, can cause not hard up of screw, finally lead to the screw to drop, so in some special occasions, must use the sub-assembly of shockproof rivet, the rivet kind on the market is many at present, the structure is also diverse, the result of use of some screws is unsatisfactory, and the preparation is troublesome, high in production cost, poor in strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a bearing surface anti-skidding structure's special bolt, this bolt structure can effectually prevent not hard up to cause dropping of spare part.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a special bolt of holding surface anti-skidding structure, includes screw and nut, can dismantle between screw and the nut and be connected, the terminal surface is provided with the connecting block under the nut, connecting block and nut fixed connection, the screw up end is provided with the fixed block with connecting block looks adaptation, can mutual adaptation fix between fixed block and the connecting block in order to prevent screw circumferential direction.

Further, the connecting block terminal surface is the inclined plane structure setting, and the connecting block lateral part is provided with the elastic cushion block, elastic cushion block and nut fixed connection, the fixed block is the inclined plane structure setting, the elastic cushion block sets up at the fixed block lateral part, fixed block and connecting block homoenergetic are contradicted with the elastic cushion block and are connected.

Furthermore, a first thread groove is formed in the nut, a second thread groove is formed in the screw, the first thread groove and the second thread groove can be communicated, a screw rod is arranged in the first thread groove and the second thread groove, one end of the screw rod is screwed into the first thread groove and the second thread groove and is abutted to the bottom of the second thread groove, the other end of the screw rod penetrates through the first thread groove and extends to the back of the screw, and a connecting portion is reserved after the screw rod penetrates through the nut.

Further, a connecting ring is arranged between the fixed block and the screw rod, the lower end face of the connecting ring is fixedly connected with the screw, and the upper end face of the connecting ring is fixedly connected with the fixed block and the elastic cushion block.

The utility model has the advantages that:

1. through the setting of elastic cushion block, can effectually cushion the external vibration power to screw and nut to prevent that screw and nut from breaking away from each other.

2. Through the setting of screw rod: the screw and the screw are not consistent in thread direction, when the screw rotates under the action of external vibration, the screw has a reaction force to the screw, and the screw can be prevented from rotating: and the following steps: the screw rod penetrates out of the upper end part of the nut and leaves a connecting part, and the connecting part can be connected with other external parts, so that the application range of the bolt is enlarged.

3. Through the setting of go-between, not only can be used for connecting fixed block and screw rod to can guarantee when fixed block and connecting block are connected that the elastic cushion can not take place the lateral buckling.

Drawings

FIG. 1 is a schematic view of a nut and screw arrangement;

FIG. 2 is a schematic view of a nut and screw connection;

FIG. 3 is a schematic view of another connection structure of the nut and the screw;

fig. 4 is a schematic cross-sectional view of a nut and a screw.

Reference numerals: 1. a screw; 2. a nut; 3. connecting blocks; 31. an elastic cushion block; 4. a fixed block; 5. a first thread groove; 6. a second thread groove; 7. a screw; 8. a connecting portion; 9. and (7) connecting rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 4, the special bolt of a bearing surface anti-skidding structure of this embodiment, including screw 1 and nut 2, can dismantle between screw 1 and the nut 2 and be connected, the terminal surface is provided with connecting block 3 under the nut 2, connecting block 3 and nut 2 fixed connection, 1 up end of screw is provided with fixed block 4 with connecting block 3 looks adaptation, can mutual adaptation fix in order to prevent 1 circumferential direction of screw between fixed block 4 and the connecting block 3.

On the basis of above-mentioned embodiment, 3 terminal surfaces of connecting block are the inclined plane structure setting, and 3 lateral parts of connecting block are provided with elastic cushion block 31, elastic cushion block 31 and nut 2 fixed connection, fixed block 4 is the inclined plane structure setting, elastic cushion block 31 sets up at 4 lateral parts of fixed block, fixed block 4 and connecting block 3 homoenergetic are contradicted with elastic cushion block 31 and are connected.

The improvement is as follows: as shown in fig. 1: the bolt comprises a bolt 1 and a nut 2, in order to prevent the bolt 1 from falling off due to frequent vibration between the bolt 1 and the nut 2, in order to effectively prevent the situation, a fixed block 4 is arranged on the bolt 1, a connecting block 3 is arranged on the nut 2, when the bolt 1 is screwed into the nut 2, the fixed block 4 and the connecting block 3 can be mutually embedded (as a preferred embodiment, the fixed block 4 and the connecting block 3 can be arranged to be in a semi-annular structure, and the fixed block 4 and the connecting block 3 can be matched to form a whole annular structure), an elastic cushion block 31 is arranged below the fixed block 4 and the connecting block 3, the elastic cushion block 31 has the function of effectively buffering the vibration force of the outside on the bolt 1 and the nut 2 when the bolt vibrates, thereby preventing the bolt 1 and the nut 2 from being separated from each other, and being superior to the prior art, even if the bolt is used in the occasion of frequent vibration, the bolt can be effectively prevented from being separated from the part.

On the basis of the above embodiment, the nut 2 is internally provided with the first thread groove 5, the screw 1 is internally provided with the second thread groove 6, the first thread groove 5 and the second thread groove 6 can be communicated, the first thread groove 5 and the second thread groove 6 are internally provided with the screw 7, one end of the screw 7 is screwed into the first thread groove 5 and the second thread groove 6 and is abutted against the bottom of the second thread groove 6, the other end of the screw passes through the first thread groove 5 and extends back to one end of the screw 1, and the screw 7 passes through the nut 2 and then leaves the connecting part 8.

The improvement is as follows: as shown in fig. 2, 3 and 4: the inside first thread groove 5 that is provided with of nut 2, the inside second thread groove 6 that is provided with of screw 1 communicate between first thread groove 5 and the second thread groove 6, and screw rod 7 can pass first thread groove 5 and second thread groove 6 and be connected with screw 1, through the setting of screw rod 7: the thread direction of the screw 7 is not consistent with that of the outside of the screw 1, when the screw 1 rotates under the external vibration, the screw 7 has a reaction force to the screw 1, and the screw 1 can be prevented from rotating: and the following steps: the screw 7 penetrates out of the upper end of the nut 2 and leaves a connecting part 8, and the connecting part 8 can be connected with other external parts, so that the application range of the bolt is increased (most of bolts in the prior art only have a fixing function and cannot be continuously connected with other external parts).

On the basis of the above embodiment, a connection ring 9 is arranged between the fixed block 4 and the screw 7, the lower end surface of the connection ring 9 is fixedly connected with the screw 1, and the upper end surface of the connection ring 9 is fixedly connected with the fixed block 4 and the elastic cushion block 31.

The improvement is as follows: set up go-between 9 between fixed block 4 and the screw rod 7, the effect of go-between 9 not only can be used for connecting fixed block 4 and screw rod 7 to can guarantee when fixed block 4 and connecting block 3 are connected that the cushion 31 can not take place the lateral buckling.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a bearing surface antiskid structure's special bolt, includes screw (1) and nut (2), can dismantle between screw (1) and the nut (2) and be connected its characterized in that: terminal surface is provided with connecting block (3) under nut (2), connecting block (3) and nut (2) fixed connection, screw (1) up end is provided with fixed block (4) with connecting block (3) looks adaptation, can mutual adaptation be fixed between fixed block (4) and connecting block (3) in order to prevent screw (1) circumferential direction.

2. Special bolt for skid-resistant constructions of bearing surfaces according to claim 1, characterized in that: connecting block (3) terminal surface is the inclined plane structure setting, and connecting block (3) lateral part is provided with elastic cushion (31), elastic cushion (31) and nut (2) fixed connection, fixed block (4) are the inclined plane structure setting, elastic cushion (31) set up at fixed block (4) lateral part, fixed block (4) and connecting block (3) homoenergetic are contradicted with elastic cushion (31) and are connected.

3. Special bolt for skid-resistant constructions of bearing surfaces, according to claim 2, characterized in that: nut (2) inside is provided with first thread groove (5), screw (1) inside is provided with second thread groove (6), can communicate between first thread groove (5) and second thread groove (6), be provided with screw rod (7) in first thread groove (5) and second thread groove (6), screw rod (7) one end is twisted in first thread groove (5) and second thread groove (6) and is inconsistent with second thread groove (6) tank bottom, and the other end is and passes first thread groove (5) and extend dorsad screw (1)'s one end, and screw rod (7) leave connecting portion (8) after passing nut (2).

4. Special bolt for skid-resistant constructions of bearing surfaces according to claim 3, characterized in that: be provided with between fixed block (4) and screw rod (7) go-between (9), terminal surface and screw (1) fixed connection under go-between (9), go-between (9) up end and fixed block (4) and elastic cushion block (31) fixed connection.