CN108150512B

CN108150512B - Bolt with anti-loosening function

Info

Publication number: CN108150512B
Application number: CN201711142823.8A
Authority: CN
Inventors: 钱东升; 李翔; 杨鑫; 陶家康; 姚维康
Original assignee: Guangzhou Huasu Information Technology Co ltd
Current assignee: Handan Zhongtang Fastener Manufacturing Co.,Ltd.
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2024-04-26
Anticipated expiration: 2037-11-17
Also published as: CN108150512A

Abstract

The invention relates to the technical field of spare and accessory parts, and discloses a bolt with a locking function, which comprises a nut and a screw rod, wherein a first push rod is arranged at the center of the top of the nut, one end of the first push rod penetrates through the nut and extends into the screw rod, the bottom of the first push rod is fixedly connected with an extrusion ball, the front surface of the first push rod is provided with a sliding rail, the front surface of the sliding rail is slidingly connected with a sliding block, the top of the sliding block is fixedly connected with a second push rod, and two sides of the sliding block are movably connected with connecting arms. This bolt with locking function uses through the cooperation of first push rod, extrusion ball, bracing piece, elastic piece, second nail point, and second through-hole, and the extrusion ball that utilizes that can be very convenient extrudees the elastic piece, and the second nail point is extruded out from the second through-hole under the effort of elastic piece, has made things convenient for the second nail point to fix this bolt, has improved the locking performance of this bolt.

Description

Bolt with anti-loosening function

Technical Field

The invention relates to the technical field of spare and accessory parts, in particular to a bolt with a locking function.

Background

The bolt is a very common connecting piece in life, and the bolt is drilled into the workpiece by rotating the head of the bolt, so that the bolt is connected with the workpiece or a plurality of workpieces by the bolt, and the connecting or fastening effect is achieved. The existing metal piece mounting bolt adopts an external tool to insert the bolt into a hole formed in advance in the metal piece, and the bolt can be loosened gradually after being nailed due to vibration or stress, so that the nail and the metal piece are separated gradually, and finally the bolt is separated.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides the bolt with the anti-loosening function, has the advantages of loosening prevention and the like, and solves the problems that the bolt is gradually separated from a metal part and finally is separated due to gradual loosening caused by vibration or stress after the bolt is nailed.

(II) technical scheme

In order to achieve the purpose of preventing loosening, the invention provides the following technical scheme: the utility model provides a bolt with locking function, includes nut and screw rod, the center department at nut top is provided with first push rod, the one end of first push rod passes the nut and extends to the inside of screw rod, the bottom fixedly connected with extrusion ball of first push rod, the front of first push rod is provided with the slide rail, the front sliding connection of slide rail has the slider, the top fixedly connected with second push rod of slider, the equal swing joint in both sides of slider has the linking arm, the one end fixedly connected with first nail point of linking arm, first through-hole has been seted up to the surface of screw rod, and first nail point passes the screw rod and extends to its outside, the bottom fixedly connected with drift of screw rod, the inner wall fixedly connected with bracing piece of drift, the one end fixedly connected with elastic piece of bracing piece, one side fixedly connected with second nail point of elastic piece, the second through-hole has been seted up to the surface of drift, and the second nail point passes the drift and extends to its outside.

Preferably, the inner wall of the screw rod is sleeved with a protective sleeve, and the protective sleeve is sequentially provided with a first water absorption layer, a rubber layer and a second water absorption layer from inside to outside.

Preferably, the first magnet is fixedly connected to one end of the second push rod and the front face of the first push rod, and the second push rod is movably connected with the first push rod through the first magnet.

Preferably, the two sides of the first push rod and the two sides of the top of the screw cap are fixedly connected with second magnets, and the first push rod is movably connected with the screw cap through the second magnets.

Preferably, the number of the support rods is four, and two support rods are one group.

Preferably, the included angles between the connecting arm and the second spike and the horizontal position are 30 degrees.

(III) beneficial effects

Compared with the prior art, the invention provides the bolt with the anti-loosening function, which has the following beneficial effects:

1. This bolt with locking function uses through the cooperation of first push rod, extrusion ball, bracing piece, elastic piece, second nail point, and second through-hole, and the extrusion ball that utilizes that can be very convenient extrudees the elastic piece, and the second nail point is extruded out from the second through-hole under the effort of elastic piece, has made things convenient for the second nail point to fix this bolt, has improved the locking performance of this bolt.

2. This bolt with locking function uses through the cooperation of slide rail, slider, second push rod, linking arm, first nail point and first through-hole, can be very convenient with the linking arm remove in the first through-hole to extrude the linking arm to be parallel with first through-hole, thereby realized that first nail point is fixed the secondary of this bolt, improved the locking performance of this bolt again.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of the present invention at A;

FIG. 3 is a schematic view of the structure of the protective jacket of the present invention.

In the figure: 1 nut, 2 screw rods, 3 first push rods, 4 extrusion balls, 5 sliding rails, 6 sliding blocks, 7 second push rods, 8 connecting arms, 9 first nail points, 10 first through holes, 11 punches, 12 supporting rods, 13 elastic sheets, 14 second nail points, 15 second through holes, 16 protective sleeves, 17 first water-absorbing layers, 18 rubber layers, 19 second water-absorbing layers, 20 first magnets and 21 second magnets.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-3, a bolt with anti-loosening function comprises a screw cap 1 and a screw rod 2, wherein a protective sleeve 16 is sleeved on the inner wall of the screw rod 2, a first water-absorbing layer 17, a rubber layer 18 and a second water-absorbing layer 19 are sequentially arranged on the protective sleeve 16 from inside to outside, the first water-absorbing layer 17 and the second water-absorbing layer 19 are made of water-absorbing resin materials, the rubber layer 18 is made of rubber materials, the bolt can be well waterproof through the cooperation of the first water-absorbing layer 17, the rubber layer 18 and the second water-absorbing layer 19, the waterproof performance of the bolt is improved, a first push rod 3 is arranged in the center of the top of the screw cap 1, two sides of the first push rod 3 and two sides of the top of the screw cap 1 are fixedly connected with second magnets 21, the first push rod 3 is movably connected with the screw cap 1 through the second magnets 21, one end of the first push rod 3 penetrates through the screw cap 1 and extends to the inside of the screw rod 2, the bottom of the first push rod 3 is fixedly connected with the extrusion ball 4, the front of the first push rod 3 is provided with a slide rail 5, the front of the slide rail 5 is connected with a slide block 6 in a sliding way, the top of the slide block 6 is fixedly connected with a second push rod 7, one end of the second push rod 7 and the front of the first push rod 3 are fixedly connected with a first magnet 20, the second push rod 7 is movably connected with the first push rod 3 through the first magnet 20, two sides of the slide block 6 are movably connected with a connecting arm 8, one end of the connecting arm 8 is fixedly connected with a first nail point 9, a first through hole 10 is formed on the outer surface of the screw rod 2, the first nail point 9 penetrates the screw rod 2 and extends to the outer part of the screw rod, the connecting arm 8, the first nail point 9 and the first through hole 10 can be conveniently moved into the first through hole 10 through the matched use of the slide rail 5, the slide block 6, the second push rod 7, the connecting arm 8, the first nail point 9 and the first through hole 10, thereby realized that first nail point 9 is fixed to the secondary of this bolt, the locking performance of this bolt has been improved once more, the bottom fixedly connected with drift 11 of screw rod 2, the inner wall fixedly connected with bracing piece 12 of drift 11, the quantity of bracing piece 12 is four, and two bracing pieces 12 are a set of, the one end fixedly connected with elastic piece 13 of bracing piece 12, one side fixedly connected with second nail point 14 of elastic piece 13, the contained angle of linking arm 8 and second nail point 14 and horizontal position is 30 degrees, second through-hole 15 has been seted up to the surface of drift 11, and second nail point 14 passes drift 11 and extends to its outside, through the cooperation use of first push rod 3, extrusion ball 4, bracing piece 12, elastic piece 13, second nail point 14, and second through-hole 15, can be very convenient utilize extrusion ball 4 to extrude elastic piece 13, second nail point 14 is extruded out from second through-hole 15 under the effort of elastic piece 13, make things convenient for second nail point 14 to fix this bolt, the locking performance of this bolt has been improved.

When the bolt is used, the first push rod 3 is pushed downwards firstly, the first push rod 3 pushes the extrusion ball 4 to move downwards, then the extrusion ball 4 extrudes the elastic piece 13, the second nail tip 14 is extruded out to fix the bolt under the action of the elastic piece 13, then the second push rod 7 pushes the slide block 6 to move in the slide rail 5, the connecting arm 8 is pushed into the first through hole 10 under the action of the slide block 6, then the slide block 6 is pushed continuously, the connecting arm 8 starts to rotate, and when the connecting arm 8 rotates to a horizontal position, the slide block 6 is stopped from being pushed, and at the moment, the secondary fixing of the bolt can be completed.

In summary, this bolt with locking function, through the cooperation of first push rod 3, extrusion ball 4, bracing piece 12, elastic piece 13, second nail point 14, and second through-hole 15, can very convenient utilize extrusion ball 4 to extrude elastic piece 13, second nail point 14 is extruded out from second through-hole 15 under the effort of elastic piece 13, the second nail point 14 is fixed this bolt of having made things convenient for, the locking performance of this bolt has been improved, through slide rail 5, slider 6, second push rod 7, linking arm 8, the cooperation of first nail point 9 and first through-hole 10 is used, can be very convenient remove linking arm 8 to first through-hole 10, and extrude linking arm 8 to be parallel with first through-hole 10, thereby realized the secondary of first nail point 9 to this bolt is fixed, the locking performance of this bolt has been improved again.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a bolt with locking function, includes nut (1) and screw rod (2), its characterized in that: a first push rod (3) is arranged in the center of the top of the nut (1), one end of the first push rod (3) penetrates through the nut (1) and extends to the inside of the screw (2), the bottom of the first push rod (3) is fixedly connected with a squeeze ball (4), the front surface of the first push rod (3) is provided with a sliding rail (5), the front surface of the sliding rail (5) is slidingly connected with a sliding block (6), the top of the sliding block (6) is fixedly connected with a second push rod (7), two sides of the sliding block (6) are movably connected with connecting arms (8), one end of the connecting arm (8) is fixedly connected with a first nail point (9), a first through hole (10) is formed in the outer surface of the screw (2), the first nail point (9) penetrates through the screw (2) and extends to the outside of the screw, the bottom of the screw (2) is fixedly connected with a punch (11), the inner wall of the punch (11) is fixedly connected with a supporting rod (12), one end of the supporting rod (12) is fixedly connected with an elastic piece (13), one end of the elastic piece (13) is fixedly connected with a second nail point (14) and the second nail point (14) penetrates through the outer surface (11) of the second nail point (14); the inner wall of the screw (2) is sleeved with a protective sleeve (16), and the protective sleeve (16) is sequentially provided with a first water absorption layer (17), a rubber layer (18) and a second water absorption layer (19) from inside to outside; a first magnet (20) is fixedly connected to one end of the second push rod (7) and the front face of the first push rod (3), and the second push rod (7) is movably connected with the first push rod (3) through the first magnet (20); the two sides of the first push rod (3) and the two sides of the top of the screw cap (1) are fixedly connected with second magnets (21), and the first push rod (3) is movably connected with the screw cap (1) through the second magnets (21).

2. A bolt with anti-loosening function as claimed in claim 1, wherein: the number of the support rods (12) is four, and two support rods (12) are in a group.

3. A bolt with anti-loosening function as claimed in claim 1, wherein: the included angles between the connecting arm (8) and the second nail point (14) and the horizontal position are 30 degrees.