CN210087811U

CN210087811U - Anti-loosening bolt assembly

Info

Publication number: CN210087811U
Application number: CN201920326253.6U
Authority: CN
Inventors: 张万里; 罗国栋
Original assignee: Suzhou Tenos Metal Technology Co Ltd
Current assignee: Suzhou Tenos Metal Technology Co Ltd
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-02-18
Anticipated expiration: 2029-03-14

Abstract

The utility model relates to a locking bolt assembly that takes off, include: a main bolt, the main bolt comprising: the connecting device comprises a screw head and a connecting sleeve fixed on the screw head, wherein the outer wall of the connecting sleeve is provided with an external thread, and the inner wall of the connecting sleeve is provided with an internal thread hole; the auxiliary bolt is used for being connected with the internal thread in the connecting sleeve; and, a compression assembly, the compression assembly comprising: the clamping block is in threaded connection with the screw head, one end of the elastic piece is fixed to the clamping block, and the extrusion block is fixed to the other end of the elastic piece and is abutted against the auxiliary bolt so that the elastic piece can form elastic pressing force. The utility model discloses when fastening the work piece, through making compress tightly in the subassembly the elastic component receives to support to press and fully takes place deformation, obtains the elastic packing force and makes vice bolt with the threaded connection of kingbolt is more firm, and difficult emergence is not hard up and drops.

Description

Anti-loosening bolt assembly

Technical Field

The utility model relates to a bolt assembly technical field, in particular to locking bolt assembly that takes off.

Background

The bolt is used as a fastener commonly used in daily life and industry, the existing bolt assembly generally comprises a bolt and a nut, and in the long-term use process, under the influence of various factors such as environment, temperature, vibration and the like, the locking force between the nut and the bolt can be reduced, so that the nut is loosened or falls off, and the expected fastening effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an anti-loosening bolt assembly has the effect that improves the fastening, reduces not hard up and the advantage of risk that drops.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an anti-loosening bolt assembly comprising: the main bolt, the main bolt includes compresses tightly subassembly and vice bolt, the main bolt includes: the connecting device comprises a screw head and a connecting sleeve fixed on the screw head, wherein the outer wall of the connecting sleeve is provided with an external thread, and the inner wall of the connecting sleeve is provided with an internal thread; the auxiliary bolt is in threaded connection with the inner wall of the connecting sleeve; and, a compression assembly, the compression assembly comprising: the clamping block is in threaded connection with the screw head, one end of the elastic piece is fixed to the clamping block, and the extrusion block is fixed to the other end of the elastic piece and is abutted against the auxiliary bolt so that the elastic piece can form elastic pressing force.

When a workpiece is fastened, the locking block and the screw head are connected and fixed, the elastic piece and the extrusion block are located in the connecting sleeve, the main bolt is screwed on the workpiece and is in threaded connection with the workpiece through the external threads on the connecting sleeve, the main bolt and the workpiece are relatively fixed, the auxiliary bolt is connected with the connecting sleeve and is screwed until the auxiliary bolt abuts against the surface of the workpiece, the workpiece is locked and fixed, the auxiliary bolt is extruded on the extrusion block at the moment and is compressed to elastically deform to form elastic pressing force, so that the friction force of the threaded connection of the auxiliary bolt and the main bolt is increased, the threaded fastening effect is improved, and the loosening and falling risks are reduced.

As an optimized scheme of the utility model, the through-hole has been seted up to the intermediate position department of extrusion piece, seted up in the latch segment and the one side of elastic component contact with the corresponding first rotatory recess of through-hole.

According to the technical scheme, the locking block can be screwed by the aid of the rotating tool penetrating through the through hole and being inserted into the first rotating groove, and installation of the locking block is facilitated.

As a preferred scheme of the utility model, the internal thread hole has been seted up to the spiral shell head, the latch segment with internal thread hole threaded connection, just the internal thread hole deviates from one side that compresses tightly the subassembly is equipped with the dog.

Realize above-mentioned technical scheme, separate the shelves through the dog to the latch segment, prevent that the latch segment from breaking away from the upper end in internal thread hole.

As a preferred scheme of the utility model, the extrusion piece holding is in the inside of adapter sleeve, just the diameter of extrusion piece is less than the internal diameter of adapter sleeve just is greater than the diameter in internal thread hole.

According to the technical scheme, the extrusion block can vertically move in the connecting sleeve conveniently, the contact area between the extrusion block and the auxiliary bolt is large, and the elastic pressing force can act on the auxiliary bolt conveniently.

As an optimized scheme of the utility model, the rotatory recess of second has been seted up to the latch segment with the relative one side of first rotatory recess.

According to the technical scheme, when the elastic pressing force is insufficient in the using process, a rotating tool can be used to penetrate through the stop block and be inserted into the second rotating groove, the locking block is rotated to enable the locking block to move downwards, the elastic piece is further elastically deformed, and the elastic pressing force is further increased.

As a preferred embodiment of the present invention, the first rotating groove and the second rotating groove are one of a straight groove, a cross groove or a hexagonal groove.

To sum up, the utility model discloses following beneficial effect has: when a workpiece is fastened, the pressing assembly is connected with the screw head bolt through the locking block and installed in the main bolt, then the auxiliary bolt is connected with the connecting sleeve, the auxiliary bolt is abutted against the extrusion block and the elastic piece is elastically deformed to form elastic pressing force, so that the friction force of threaded connection of the auxiliary bolt and the main bolt is increased, the effect of fastening connection is achieved, when the elastic pressing force is insufficient in the using process, the elastic piece is extruded through the rotating locking block to increase the elastic pressing force, and the connection stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a perspective view of the present invention.

Figure 3 is a schematic perspective view of the pressing assembly of the present invention

The corresponding part names indicated by the numbers and letters in the drawings:

100. a main bolt; 101. a screw head; 102. a stopper; 103. connecting sleeves;

104. an internally threaded bore; 105. an internal thread;

110. a compression assembly; 111. a first rotary groove; 112. an elastic member; 113. a locking block;

114. extruding the block; 115. a second rotary groove, 116, a through hole;

120. and a secondary bolt.

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 efforts belong to the protection scope of the present invention.

Examples

The utility model provides a locking bolt assembly that takes off, include: a main bolt 100, a hold-down assembly 110, and a sub-bolt 120.

As shown in fig. 1, the main bolt 100 includes: the screw head 101 and the connecting sleeve 103, the screw head 101 is provided with an internal thread hole 104, the connecting sleeve 103 is fixed under the screw head 101, the outer wall of the connecting sleeve 103 is provided with an external thread, the inner wall of the connecting sleeve 103 is provided with an internal thread 105, the internal thread hole 104 is used for spirally connecting the pressing component 110, and the internal thread 105 is used for spirally connecting the auxiliary bolt 120.

As shown in fig. 3, the pressing device 110 includes: elastic component 112, latch segment 113 and extrusion piece 114, be equipped with the external screw thread with internal thread hole 104 looks adaptation on the latch segment 113, thereby can form threaded connection with internal thread hole 105, the one end of elastic component 112 is fixed in latch segment 113, the other end is connected with extrusion piece 114, extrusion piece 114 holding is in the inside of adapter sleeve 103, and the diameter of extrusion piece 114 is less than the internal diameter of adapter sleeve 103 and is greater than the diameter of internal thread hole 104, thereby make things convenient for extrusion piece 114 vertical migration in adapter sleeve 103, and make the area of contact of extrusion piece 114 and auxiliary bolt 120 great, make things convenient for elasticity clamping force to act on auxiliary bolt 120 more.

A through hole 116 is formed in the middle of the extrusion block 114, a first rotating groove 111 corresponding to the through hole 116 is formed in one surface of the locking block 113, which is in contact with the elastic member 112, the first rotating groove 111 is one of a straight groove, a cross groove or a hexagonal groove, in the embodiment, the first rotating groove 111 is a hexagonal groove, so that a rotating tool can be inserted into the first rotating groove 111 through the through hole 116 to screw the locking block 113, and the locking block 113 can be conveniently mounted; the stopper 102 is arranged on the side of the internal threaded hole 104 departing from the pressing component 110, and the stopper 102 is used for blocking the locking block 113 to prevent the locking block 113 from being separated from the upper end of the internal threaded hole 104

Furthermore, a second rotating groove 115 is formed in one side of the locking block 113 opposite to the first rotating groove 111, and if the elastic pressing force is insufficient in the using process, a rotating tool can be used to penetrate through the stopper 102 and be inserted into the second rotating groove 115, and the locking block 113 is rotated to enable the locking block 113 to move downwards, so that the elastic member 112 is further elastically deformed, and the elastic pressing force is further increased.

The utility model relates to a locking bolt assembly that takes off is when fastening the work piece, will compress tightly subassembly 110 and screw head 101 earlier and be connected, be connected main bolt 100 with the work piece again, use rotary tool to pass through-hole 116 and insert first rotatory recess 111, make latch segment 113 be connected with the internal thread hole 104 of screw head 102, until latch segment 113 and dog 102 counterbalance contact, then be connected auxiliary bolt 120 and main bolt 100 until the counterbalance is tight on the work piece, auxiliary bolt 120 supports the extrusion piece 114 and makes elastic component 112 take place deformation this moment, elastic component 112 produces the elasticity pressure effect of elasticity and acts on auxiliary bolt 120, thereby the frictional force of auxiliary bolt 120 with main bolt 100 threaded connection has been improved, make both connected more firm, be difficult for causing not hard up and drop; when the pressing force is insufficient during the use process, a rotating tool is inserted into the second rotating groove 115 through the stopper 102 to screw the locking block 113, so that the locking block 113 moves downwards to press the elastic member, the elastic pressing force is further increased, and the fastening force is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-loosening bolt assembly, comprising:

a main bolt, the main bolt comprising: the connecting device comprises a screw head and a connecting sleeve fixed on the screw head, wherein the outer wall of the connecting sleeve is provided with an external thread, and the inner wall of the connecting sleeve is provided with an internal thread;

the auxiliary bolt is in threaded connection with the inner wall of the connecting sleeve; and the number of the first and second groups,

a compression assembly, the compression assembly comprising: the clamping block is in threaded connection with the screw head, one end of the elastic piece is fixed to the clamping block, and the extrusion block is fixed to the other end of the elastic piece and is abutted against the auxiliary bolt so that the elastic piece can form elastic pressing force.

2. The anti-loosening bolt assembly according to claim 1, wherein a through hole is formed in the middle of the pressing block, and a first rotating groove corresponding to the through hole is formed in a surface of the locking block, which is in contact with the elastic member.

3. The anti-loosening bolt assembly according to claim 1 or 2, wherein the head defines an internal threaded bore, the locking block is threadedly connected to the internal threaded bore, and a stop is disposed on a side of the internal threaded bore facing away from the hold-down assembly.

4. The anti-loosening bolt assembly according to claim 3, wherein the extrusion block is received inside the connection sleeve, and the diameter of the extrusion block is smaller than the inner diameter of the connection sleeve and larger than the diameter of the internally threaded hole.

5. The anti-loosening bolt assembly according to claim 2, wherein a second rotation groove is formed in a side of the locking block opposite to the first rotation groove.

6. The anti-loosening bolt assembly of claim 5, wherein the first and second rotational recesses are one of a straight recess, a cross recess, or a hex recess.