CN211648751U

CN211648751U - Anti-slip fastener

Info

Publication number: CN211648751U
Application number: CN202020109206.9U
Authority: CN
Inventors: 孙贤基
Original assignee: Jinjiang Hanwei Fastener Manufacturing Co ltd
Current assignee: Jinjiang Hanwei Fastener Manufacturing Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-10-09
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a fastener is taken off in antiskid, including bolt and nut, the up end of bolt is provided with integrated into one piece's card post, the annular groove has been seted up to the outward appearance wall of card post, the outside of bolt and card post is provided with the cutting ferrule, the interior table wall of cutting ferrule just is located annular groove department and has seted up the mounting groove, the interior cell wall of mounting groove has the fixed pin through spring elastic connection. The utility model discloses in, through the setting of card post, cutting ferrule, fixed pin, annular groove, nut slippage process can drive the cutting ferrule rebound, and the fixed pin of cutting ferrule inside is connected with annular groove's joint and has been prevented the cutting ferrule rebound to make the nut can not follow the bolt slippage.

Description

Anti-slip fastener

Technical Field

The utility model relates to a fastener technical field especially relates to a fastener is taken off in antiskid.

Background

The fastener is a mechanical part which is used for fastening and connecting and has wide application, the fastener has wide application industries, including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and the fastener is a mechanical basic part which has the most wide application. The phenomenon of loosening and slipping easily occurs in the use process of the existing fastener, the loss of different degrees can also occur in different application fields, and major accidents can be caused under severe conditions.

Therefore, the utility model provides an antiskid fastener.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the fastener is easy to slip, the anti-slip fastener is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anti-slipping fastener, includes bolt and nut, the up end of bolt is provided with integrated into one piece's card post, the annular groove has been seted up to the outward appearance wall of card post, the outside of bolt and card post is provided with the cutting ferrule, the interior table wall of cutting ferrule just is located annular groove department and has seted up the mounting groove, the interior cell wall of mounting groove has the fixed pin through spring elastic connection.

As a further description of the above technical solution:

the outside of fixed pin is provided with the uide bushing, the tip of fixed pin extends to annular groove department and is connected rather than the joint.

As a further description of the above technical solution:

the fixing pin is connected with the guide sleeve in a sliding mode.

As a further description of the above technical solution:

the section of card post is the square, the section of cutting ferrule is the square, the top of card post runs through the interior table wall in the top of cutting ferrule and extends to the outside, cutting ferrule and card post sliding fit.

As a further description of the above technical solution:

and a rubber backing ring is arranged outside the bolt and between the nut and the clamping sleeve.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the setting of card post, cutting ferrule, fixed pin, annular groove, nut slippage process can drive the cutting ferrule rebound, and the fixed pin of cutting ferrule inside is connected with annular groove's joint and has been prevented the cutting ferrule rebound to make the nut can not follow the bolt slippage.

2. The utility model discloses in, through the setting of rubber backing ring, cutting ferrule and the fixed back of card post, the bottom tip of cutting ferrule forms positive extrusion force to rubber backing ring, and the extrusion force passes through the nut for rubber backing ring direct action, and circumferential direction can take place for the nut pine takes off the process, and the extrusion force of rubber backing ring has increased the circumferential direction resistance of nut, and then prevents the pine of nut and take off.

Drawings

Fig. 1 is a front view schematically illustrating an anti-slip fastener according to an embodiment of the present invention;

FIG. 2 is a front view of an anti-slip fastener according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an anti-slip fastener A-A according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion B of an anti-slip fastener according to an embodiment of the present invention;

illustration of the drawings:

1. a bolt; 2. a nut; 3. clamping the column; 31. an annular groove; 4. a card sleeve; 41. mounting grooves; 42. a spring; 43. a fixing pin; 44. a guide sleeve; 5. a rubber grommet.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a fastener is taken off in antiskid, including bolt 1 and nut 2, the up end of bolt 1 is provided with integrated into one piece's card post 3, the length of side of card post 3 is less than bolt 1's diameter long, the outer wall that is less than card post 3 has seted up annular groove 31, the outside of bolt 1 and card post 3 is provided with cutting ferrule 4, the interior table wall of cutting ferrule 4 just is located annular groove 31 and has seted up mounting groove 41, there is fixed pin 43 in the interior cell wall of mounting groove 41 through spring 42 elastic connection, spring 42's elastic form drives fixed pin 43 and takes place to remove.

Specifically, as shown in fig. 4, a guide sleeve 44 is disposed outside the fixing pin 43, an end of the fixing pin 43 extends to the annular groove 31 and is connected with the annular groove in a clamping manner, and the guide sleeve 44 is fixedly welded to the inner surface wall of the ferrule 4 and can prevent the fixing pin 43 from being angularly displaced.

Specifically, as shown in fig. 4, the fixing pin 43 is slidably connected to the guide sleeve 44 such that the fixing pin 43 can move in the horizontal direction.

Specifically, as shown in fig. 3, the section of the clamping column 3 is square, the section of the clamping sleeve 4 is square, the top end of the clamping column 3 penetrates through the top inner surface wall of the clamping sleeve 4 and extends to the outside, and the clamping sleeve 4 is in sliding fit with the clamping column 3 to prevent the clamping sleeve 4 and the clamping column 3 from rotating relatively.

Specifically, as shown in fig. 1, the rubber backing ring 5 is arranged outside the bolt 1 and between the nut 2 and the ferrule 4, the ferrule 4 extrudes the rubber backing ring 5, and the rubber backing ring 5 transmits the extrusion force to the nut 2, so that the resistance of circumferential rotation of the nut 2 is greatly increased.

The working principle is as follows: during the use, run through bolt 1 and treat that the mounting hole of connecting piece closes nut 2 and bolt 1 soon to be connected, sheathe in rubber backing ring 5 and cutting ferrule 4 in proper order again, cutting ferrule 4 inside fixed pin 43 is connected with annular groove 31 joint under spring 42's elastic force effect, make cutting ferrule 4's bottom tip and the positive extrusion of rubber backing ring 5, if nut 2 wants the slippage to take place circumferential direction and axial rebound certainly, the extrusion of rubber backing ring 5 has increased nut 2's circumferential direction resistance, can drive cutting ferrule 4 rebound when nut 2 axial shifts up, and fixed pin 43 is connected with annular groove 31's joint and has prevented cutting ferrule 4 rebound, thereby make nut 2 can not follow the slippage on bolt 1.

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. The utility model provides a fastener is taken off in antiskid, includes bolt (1) and nut (2), its characterized in that, the up end of bolt (1) is provided with integrated into one piece's card post (3), annular groove (31) have been seted up to the outward appearance wall of card post (3), the outside of bolt (1) and card post (3) is provided with cutting ferrule (4), the interior table wall of cutting ferrule (4) just is located annular groove (31) and has seted up mounting groove (41), the interior cell wall of mounting groove (41) has fixed pin (43) through spring (42) elastic connection.

2. An anti-slip fastener according to claim 1, characterized in that the fixing pin (43) is externally provided with a guide sleeve (44), and the end of the fixing pin (43) extends to the annular groove (31) and is in snap connection therewith.

3. An anti-slip fastener according to claim 2, wherein the fixing pin (43) is slidably connected to the guide sleeve (44).

4. An anti-slip fastener according to claim 1, characterized in that the cross section of the clamping column (3) is square, the cross section of the clamping sleeve (4) is square, the top end of the clamping column (3) extends to the outside through the top inner surface wall of the clamping sleeve (4), and the clamping sleeve (4) is in sliding fit with the clamping column (3).

5. An anti-slip fastener according to claim 4, characterized in that a rubber grommet (5) is provided outside the bolt (1) and between the nut (2) and the ferrule (4).