CN217713291U

CN217713291U - Anti-loosening bolt

Info

Publication number: CN217713291U
Application number: CN202220784759.3U
Authority: CN
Inventors: 王鹏杰
Original assignee: Anhui Karry Auto Parts Manufacturing Co ltd
Current assignee: Anhui Karry Auto Parts Manufacturing Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-11-01
Anticipated expiration: 2032-04-06

Abstract

The utility model provides a locking bolt that moves, including bolt main part, nut, the locking subassembly that has screw rod and head, wherein: the vertical arrangement of bolt main part, set up the through-hole along its vertical direction on the screw rod of bolt main part, and set up two movable holes that the splayed was arranged that fall on the screw rod, two movable holes are arranged with the through-hole intercommunication the utility model relates to a novelty, easy operation, through the setting of locking subassembly etc., with first connecting piece at bolt main part and nut, the back is fixed to the second connecting piece, can utilize the driving piece among the locking subassembly to order about the removal play movable hole that two activity posts kept away from each other, and then the tip of activity post can be inserted and establish in the inboard recess of nut, also promptly carry out spacing fixed to the nut position, guaranteed under abominable vibrations environment, can not take place relative rotation between bolt main part and the nut, also can not take place the pine and take off the condition, the installation is more stable, high durability and convenient use.

Description

Anti-loosening bolt

Technical Field

The utility model relates to a bolt technical field especially relates to an anti-loosening bolt.

Background

A bolt is a mechanical part, and a fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a threaded nut on the inner side of a hole for use and is used for fastening and connecting two parts with through holes. The operating principle of the nut is that the self-locking is carried out by the friction force between the nut and the bolt, and the bolt can be loosened due to environmental problems such as vibration in the using process, so that the use is inconvenient and potential safety hazards are generated.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that exists among the background art, the utility model provides an anti-looseness bolt, including bolt main part, nut, the locking subassembly that has screw rod and head, wherein:

the bolt main body is vertically arranged, a through hole is formed in a screw rod of the bolt main body along the vertical direction of the bolt main body, two movable holes which are arranged in an inverted splayed shape are formed in the screw rod, and the two movable holes are communicated with the through hole;

the locking subassembly includes two activity posts, driving piece, and two activity posts are movable mounting respectively in two movable holes, and the driving piece is installed in the through-hole and is used for driving two activity posts and is close to each other or keep away from, and the movable activity hole that moves out of tip that two activity posts kept away from each other, but nut threaded mounting is on the bolt main part and its inboard is equipped with the recess that is used for holding activity post tip.

Preferably, the driving part comprises a rotating rod and a convex block, the rotating rod is vertically arranged and rotates in the through hole, and the convex block is installed at the top end of the rotating rod and is pressed against the end parts, close to each other, of the two movable columns; when the rotating rod rotates, the lug can drive the two movable columns to approach or separate from each other.

Preferably, the bump has two protruding portions, and the two protruding portions respectively abut against the two movable columns.

Preferably, a fixing block is arranged in the through hole, and the rotating rod is rotatably installed on the fixing block.

Preferably, the rotating rod has a threaded section, and the threaded section is threadedly mounted on the fixing block.

Compared with the prior art, the utility model provides an anti-loosening bolt adopts above-mentioned technical scheme, has reached following technological effect: through the setting of locking subassembly etc, at bolt main part and nut with first connecting piece, the back is fixed to the second connecting piece, can utilize the driving piece among the locking subassembly to order about the removal play movable hole that two activity posts kept away from each other, and then the tip of activity post can be inserted and is established in the inboard recess of nut, also carry out spacing fixed to the nut position, guaranteed under abominable vibrations environment, relative rotation can not take place between bolt main part and the nut, also can not take place the pine and take off the condition, the installation is more stable, high durability and convenient use.

Drawings

Fig. 1 is a schematic sectional view of a first state provided by the present invention;

fig. 2 is a schematic sectional structural view of a second state provided by the present invention;

fig. 3 is a schematic view of an enlarged structure at a position a provided by the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of the present invention;

fig. 5 is a schematic view of the overall structure of the nut according to the present invention;

fig. 6 is a schematic view of the overall structure of the rotating rod and the bump according to the present invention;

fig. 7 is a schematic view of the working state front view structure proposed by the present invention;

fig. 8 is a schematic view of a cross-sectional structure of the working state provided by the present invention.

In the figure: 1. the bolt comprises a bolt body, 2 parts of nuts, 3 parts of through holes, 4 parts of movable holes, 5 parts of movable columns, 6 parts of grooves, 7 parts of rotating rods, 8 parts of bumps, 9 parts of fixing blocks, 10 parts of first connecting pieces and 11 parts of second connecting pieces.

Detailed Description

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-8, the utility model provides a locking bolt that moves, including bolt main part 1, nut 2, the locking subassembly that has screw rod and head, wherein: the bolt main body 1 is vertically arranged, a through hole 3 is formed in a screw rod of the bolt main body 1 along the vertical direction of the bolt main body, two movable holes 4 which are arranged in an inverted splayed shape are formed in the screw rod, and the two movable holes 4 are communicated with the through hole 3;

locking subassembly includes two activity posts 5, driving piece, and two activity posts 5 movable mounting respectively are in two activity holes 4, and the driving piece is installed in through-hole 3 and is used for driving two activity posts 5 and is close to or keep away from each other, and the movable activity hole 4 that moves out of tip that two activity posts 5 kept away from each other, but nut 2 threaded mounting is equipped with the recess 6 that is used for holding activity post 5 tip on bolt main part 1 and its inboard. Referring to fig. 1-2, in particular use: when needing to fix first connecting piece 10 and second connecting piece 11, can run through first connecting piece 10 with the screw rod on the bolt main part 1, second connecting piece 10, then install nut 2 on the screw rod, the inboard recess 6 of nut 2 is in the first connecting piece 10 of the fixed different thickness of needs with activity hole 4 this moment, during second connecting piece 11, and when nut 2 is installed on the screw rod, need guarantee all the time to be in the connected state between recess 6 and the activity hole 4, can utilize driving piece drive two activity posts 5 to keep away from each other this moment, also in activity post 5 tip can be followed activity hole 4 and stretched out and inject the recess 6 on nut 2, keep this state, and then the position of nut 2 is spacing fixed, under abominable vibrations environment, can not take place to rotate between nut 2 and the bolt main part 1, also can not take place the pine condition of taking off, the stability that bolt main part 1 used has been improved. When nut 2 is dismantled to needs, can will utilize the driving piece to remove the drive to two activity posts 5, because two activity holes 4 are the splayed and arrange, and then 5 tip of two activity posts can be followed recess 6 internal slipping down, remove the restriction to nut 2, can rotate this moment and dismantle nut 2, it is convenient to dismantle, easy operation.

Further, the driving piece comprises a rotating rod 7 and a bump 8, the rotating rod 7 is vertically arranged and rotates in the through hole 3, a fixing block 9 is arranged in the through hole 3, and the rotating rod 7 is rotatably installed on the fixing block 9. Preferably, the swivelling levers 7 can be provided with a threaded section, by means of which a thread can be mounted on the fixing block 9. The convex block 8 is arranged at the top end of the rotating rod 7 and is pressed against the end parts, close to each other, of the two movable columns 5; when the nut 2 is installed on the screw, the rotating rod 7 can be driven to rotate, and the rotating rod 7 can drive the lug 8 thereon to rotate. Because the lug 8 has two protruding portions, two protruding portions support with two movable post 5 respectively and press, and the lug 8 rotates and can drive two protruding portions to support with the tip that two movable post 5 are close to each other respectively and press, and then can order about two movable post 5 tip and shift out movable hole 4, and this movable post 5 tip can insert and establish in the recess 6 of nut 2, also can carry out spacing fixed to nut 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A locking bolt, characterized in that, including bolt main part (1) that has screw rod and head, nut (2), locking subassembly, wherein:

the bolt main body (1) is vertically arranged, a through hole (3) is formed in a screw rod of the bolt main body (1) along the vertical direction of the bolt main body, two movable holes (4) which are arranged in an inverted splayed shape are formed in the screw rod, and the two movable holes (4) are communicated with the through hole (3);

locking subassembly includes two activity post (5), the driving piece, two activity post (5) difference movable mounting are in two activity holes (4), the driving piece is installed in through-hole (3) and is used for driving two activity post (5) and is close to or keep away from each other, the tip mobile play activity hole (4) that move away from each other of two activity post (5), but nut (2) threaded mounting is on bolt main part (1) and its inboard is equipped with recess (6) that are used for holding activity post (5) tip.

2. The anti-loosening bolt according to claim 1, wherein the driving part comprises a rotating rod (7) and a bump (8), the rotating rod (7) is vertically arranged and rotates in the through hole (3), and the bump (8) is arranged at the top end of the rotating rod (7) and is pressed against the end parts, close to each other, of the two movable columns (5); when the rotating rod (7) rotates, the lug (8) can drive the two movable columns (5) to approach or move away from each other.

3. Anti-loosening bolt according to claim 2, characterised in that the cam (8) has two projections which are pressed against the two movable columns (5), respectively.

4. The anti-loosening bolt as claimed in claim 2 or 3, wherein a fixing block (9) is provided in the through hole (3), and the rotating rod (7) is rotatably mounted on the fixing block (9).

5. Anti-loosening bolt according to claim 4, characterised in that the turning rod (7) has a threaded section which is threadedly mounted on a fixing block (9).