CN214499726U

CN214499726U - Anti-loosening fastener

Info

Publication number: CN214499726U
Application number: CN202120057794.0U
Authority: CN
Inventors: 吴斌; 徐俊卿
Original assignee: Zhejiang Zhapu Technology Co ltd
Current assignee: Zhapu Technology Jiangsu Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-26
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a locking fastener, including bolt and nut, hexagonal hole in the left end has been seted up to the bolt, the surface cover of bolt is equipped with bullet pad and flat pad, the internal thread hole has been seted up to the left end face of bolt, the inside threaded connection in internal thread hole has adjusting bolt, adjusting bolt's surface cover is equipped with the adjustment disk, the perforation has been seted up on the surface of adjustment disk, it has the gag lever post to peg graft in fenestrate inside. This locking fastener, locate bolt surface's bullet pad and flat pad through setting up the cover, can increase the locking performance of moving of this fastener, through setting up reset spring, can insert the spacing hole on nut right side through the gag lever post, thereby prevent that the nut is not hard up, the spiral shell of the screw thread tooth on bolt surface is to opposite with the screw thread tooth spiral shell on adjusting bolt surface simultaneously, even the fastener that vibrations caused is not hard up, also can make adjusting bolt and bolt only one of them not hard up, and another is tightened, thereby control each other, improve the fastening effect.

Description

Anti-loosening fastener

Technical Field

The utility model relates to a fastener technical field specifically is a locking fastener.

Background

Fasteners, also known as standard parts in the market, are a general term for a type of mechanical parts used when two or more parts (or components) are fastened together as a single piece. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degree. The fastener is the most widely used mechanical basic member and has a large demand.

The screw is a fastener composed of a head part and a screw rod, is matched with a nut and is used for fastening and connecting two parts with through holes. The screw lies in the nut cooperation use in-process, if equipment itself just produces vibrations, will cause the nut phenomenon of becoming flexible very easily, consequently needs frequent maintenance, has wasted a large amount of manpowers and time.

Therefore, the utility model provides a locking fastener.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking fastener to solve the problem that proposes among 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 locking fastener, includes bolt and nut, hexagonal hole in the interior has been seted up to the left end of bolt, the surface cover of bolt is equipped with bullet pad and flat pad, the internal thread hole has been seted up to the left end face of bolt, the internal thread connection in internal thread hole has adjusting bolt, adjusting bolt's surface cover is equipped with the adjustment disk, the perforation has been seted up on the surface of adjustment disk, it has the gag lever post to peg graft in the inside of perforation, the surface threaded connection of gag lever post has adjusting nut, spacing hole has been seted up on the right side of nut, spacing hole and gag lever post adaptation, the cross section is interior hexagon, the surface cover of gag lever post is equipped with reset spring, reset spring is located between adjusting nut and the adjustment disk.

Preferably, the inside joint of interior hexagonal hole of bolt has the rubber buffer, the material of rubber buffer is butadiene acrylonitrile rubber.

Preferably, the surface of the adjusting disk is provided with a round hole for penetrating the adjusting bolt, and the inner diameter of the round hole is smaller than the diameter of a nut on the right side of the adjusting bolt.

Preferably, the number of the limiting holes is a plurality, and the limiting holes are arranged on the right side face of the nut in an annular array.

Preferably, the surface of the limiting rod is provided with a thread for installing an adjusting nut.

Preferably, the thread direction of the thread of the bolt surface is opposite to the thread direction of the thread of the adjusting bolt surface.

Advantageous effects

The utility model provides a locking fastener possesses following beneficial effect:

1. this locking fastener through setting up the cover and locating bolt surface's bullet pad and flat pad, can increase the locking performance of moving of this fastener, through setting up the rubber buffer, can prevent interior hexagonal hole and intake and rust to can avoid interior hexagonal hole to use the wearing and tearing back for a long time, the rainwater rusts the phenomenon that can not dismantle the bolt and takes place.

2. This locking fastener can support left and fix the adjusting disk through setting up adjusting bolt, through setting up reset spring, can insert the spacing hole on nut right side through the gag lever post to prevent that the nut is not hard up, the screw thread of the screw thread on bolt surface is to opposite with the screw thread on adjusting bolt surface simultaneously, even the fastener that vibrations caused is not hard up, also can make adjusting bolt and bolt only one of them not hard up, and another is tightened, thereby it is not hard up to lead to each other, prevent that the nut is not hard up.

Drawings

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

FIG. 2 is a schematic view of the front cross-section structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1 bolt, 2 nuts, 3 hexagon socket holes, 4 spring pads, 5 flat pads, 6 internal thread holes, 7 adjusting bolts, 8 adjusting discs, 9 through holes, 10 limiting rods, 11 limiting holes, 12 reset springs, 13 adjusting nuts and 14 rubber plugs.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a locking fastener, including bolt 1 and nut 2, hexagon hole 3 in the left end of bolt 1 has been seted up, the inside joint of hexagon hole 3 in the bolt 1 has rubber buffer 14, the material of rubber buffer 14 is butadiene acrylonitrile rubber, the surface cover of bolt 1 is equipped with bullet pad 4 and flat pad 5, this locking fastener, locate 1 surperficial bullet pad 4 and flat pad 5 of bolt through setting up the cover, can increase the locking performance of this fastener, through setting up rubber buffer 14, can prevent that interior hexagon hole 3 from intaking and rustting, thereby can avoid interior hexagon hole 3 long-time use wearing and tearing back, the rainwater rusts the phenomenon that can not dismantle bolt 1 and takes place.

Internal thread hole 6 has been seted up to bolt 1's left end face, and the inside threaded connection of internal thread hole 6 has adjusting bolt 7, and adjusting bolt 7's surface cover is equipped with adjusting disk 8, and adjusting disk 8's surface is seted up and is worn to establish adjusting bolt 7's round hole, and the internal diameter of round hole is less than the diameter of adjusting bolt 7 right side nut, and perforation 9 has been seted up on adjusting disk 8's surface, and the inside of perforation 9 is pegged graft and is had gag lever post 10.

The surperficial threaded connection of gag lever post 10 has adjusting nut 13, the surface of gag lever post 10 is provided with the screw thread tooth that is used for installing adjusting nut 13, spacing hole 11 has been seted up on the right side of nut 2, the quantity of spacing hole 11 is a plurality of, the spacing hole 11 of a plurality of is the right flank that the annular array set up at nut 2, spacing hole 11 and gag lever post 10 adaptation, the cross section is interior hexagon, the surface cover of gag lever post 10 is equipped with reset spring 12, reset spring 12 is located between adjusting nut 13 and the adjusting disk 8, the screw thread tooth spiral shell on 1 surface of bolt is to the screw thread tooth spiral shell opposite with adjusting bolt 7 surfaces.

This locking fastener, can support left and fix adjusting disk 8 through setting up adjusting bolt 7, through setting up reset spring 12, can insert the spacing hole 11 on nut 2 right side through gag lever post 10, thereby prevent that nut 2 is not hard up, the spiral shell of the screw thread on bolt 1 surface is opposite to the screw thread with adjusting bolt 7 surface simultaneously, even this fastener that vibrations caused is not hard up, also can make adjusting bolt 7 and bolt 1 only one of them not hard up, and another is tightened, thereby control each other, prevent that nut 2 is not hard up.

The working principle is as follows: when this locking fastener is installed, at first we will play and fill up 4 and the flat surface of filling up 5 cover and locate bolt 1, and insert bolt 1 and pass two parts that need the fastening, install nut 2 after that, screw up nut 2, install adjusting bolt 7 this moment, then adjust the position of two gag lever posts 10, make it insert inside the spacing hole 11 on 2 right sides of nut, next screw up adjusting bolt 7, then rotate adjusting nut 13, under reset spring 12's effect, make gag lever post 10 support the inside in spacing hole 11, can prevent that nut 2 is not hard up, the part of instant vibrations drives nut 2 and is not hard up, also can drive adjusting bolt 7 and tighten up, both hold down each other, avoid becoming flexible.

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. A check fastener, includes bolt (1) and nut (2), its characterized in that: the left end of the bolt (1) is provided with a hexagon socket (3), the surface of the bolt (1) is sleeved with an elastic pad (4) and a flat pad (5), an internal threaded hole (6) is formed in the left end face of the bolt (1), an adjusting bolt (7) is connected with the internal thread of the internal threaded hole (6) in a threaded manner, an adjusting disc (8) is sleeved on the surface of the adjusting bolt (7), a through hole (9) is formed in the surface of the adjusting disc (8), a limiting rod (10) is inserted into the through hole (9), the surface of the limiting rod (10) is connected with an adjusting nut (13) through threads, a limiting hole (11) is arranged on the right side of the nut (2), the limiting hole (11) is matched with the limiting rod (10), the cross section is an inner hexagon, the surface cover of gag lever post (10) is equipped with reset spring (12), reset spring (12) are located between adjusting nut (13) and adjusting disk (8).

2. A loose-proof fastener as claimed in claim 1, characterized in that: the bolt is characterized in that a rubber plug (14) is clamped inside the inner hexagonal hole (3) of the bolt (1), and the rubber plug (14) is made of nitrile rubber.

3. A loose-proof fastener as claimed in claim 1, characterized in that: the surface of the adjusting disk (8) is provided with a round hole penetrating through the adjusting bolt (7), and the inner diameter of the round hole is smaller than the diameter of a nut on the right side of the adjusting bolt (7).

4. A loose-proof fastener as claimed in claim 1, characterized in that: the number of the limiting holes (11) is a plurality of, and the limiting holes (11) are arranged on the right side face of the nut (2) in an annular array mode.

5. A loose-proof fastener as claimed in claim 1, characterized in that: the surface of the limiting rod (10) is provided with a thread for installing an adjusting nut (13).

6. A loose-proof fastener as claimed in claim 1, characterized in that: the thread direction of the thread on the surface of the bolt (1) is opposite to the thread direction of the thread on the surface of the adjusting bolt (7).