CN211648740U

CN211648740U - Anti-vibration bolt

Info

Publication number: CN211648740U
Application number: CN201922336260.7U
Authority: CN
Inventors: 张强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-09
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a vibration-proof bolt, including the connecting piece body, the bolt body is installed to the inner chamber of the connecting piece body, the bottom threaded connection on bolt body surface has the nut, the top of nut and the bottom contact of the connecting piece body, the top cover on bolt body surface is equipped with the fixed plate. The utility model discloses an inside the jack was inserted to the split pin, move to the left side of dog until the split pin, when the right side of split pin and spacing clamp plate contact, spacing clamp plate rotates around the fixed column, spacing clamp plate's rotation makes extrusion spring take place deformation, release elasticity extrudees spacingly to the split pin after the extrusion spring energy storage, it is connected to be the joint with the dog with the split pin is crooked afterwards, the advantage of putting the function of shaking has been reached, it does not possess the antivibration function to have solved current bolt when using, often the bolt is used for a long time and appears not hard up phenomenon easily, so as to the connecting piece collapses or unstable, take place dangerous problem easily.

Description

Anti-vibration bolt

Technical Field

The utility model relates to a bolt technical field specifically is a antivibration bolt.

Background

The bolt is a tool for fastening objects step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of an object, a fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection, the existing bolt does not have the vibration-proof function when in use, the bolt is easy to loosen after long-term use, so that the connection part collapses or is unstable, and danger is easy to occur.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a antivibration bolt possesses the advantage of putting the function of shaking, has solved current bolt and does not possess the antivibration function when using, and not hard up phenomenon appears easily in often the bolt long-term use to as for the connecting piece collapses or unstable, the problem of danger takes place easily.

(II) technical scheme

For the purpose of realizing above-mentioned antivibration function, the utility model provides a following technical scheme: the utility model provides an antivibration bolt, includes the connecting piece body, the bolt body is installed to the inner chamber of connecting piece body, the bottom threaded connection on bolt body surface has the nut, the top of nut and the bottom contact of connecting piece body, the top cover on bolt body surface is equipped with the fixed plate, the jack has been seted up at the top of bolt body inner chamber, the inner chamber of jack is pegged graft and is had the split pin, the equal fixedly connected with fixed column in top and the bottom on fixed plate surface right side, the surface cover of fixed column is equipped with limit clamp, limit clamp's the outside is provided with the extrusion spring, the outside fixedly connected with connecting plate of extrusion spring, the dorsal part of connecting plate and the front side fixed connection of fixed plate.

Preferably, the inner side of the extrusion spring is fixedly connected with a connecting ring, and one side of the connecting ring, which is far away from the extrusion spring, is fixedly connected with the outer side of the limiting pressure plate.

Preferably, the top and the bottom of fixed plate surface left side all fixedly connected with dog, the left side of split pin is bending state and is the joint with the dog and be connected.

Preferably, the top of the inner cavity of the limiting pressure plate is provided with a rotating hole, and the inner wall of the rotating hole is in sliding connection with the surface of the fixing column.

Preferably, the bottom of the fixing plate is provided with a gasket, an inner cavity of the gasket is movably connected with the bolt body, and the bottom of the gasket is contacted with the top of the connecting piece body.

(III) advantageous effects

Compared with the prior art, the utility model provides a antivibration bolt possesses following beneficial effect:

1. the utility model discloses an inside the jack was inserted to the split pin, move to the left side of dog until the split pin, when the right side of split pin and spacing clamp plate contact, spacing clamp plate rotates around the fixed column, spacing clamp plate's rotation makes extrusion spring take place deformation, release elasticity extrudees spacingly to the split pin after the extrusion spring energy storage, it is connected to be the joint with the dog with the split pin is crooked afterwards, the advantage of putting the function of shaking has been reached, it does not possess the antivibration function to have solved current bolt when using, often the bolt is used for a long time and appears not hard up phenomenon easily, so as to the connecting piece collapses or unstable, take place dangerous problem easily.

2. The utility model discloses an extrusion spring carries on spacingly to the position of split pin, prevents that the split pin can take place the phenomenon of skew at the removal in-process.

3. The utility model discloses a dog, dog and split pin cooperation are used to avoid the bolt body to produce the vibration in the course of the work.

Drawings

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

FIG. 2 is a schematic structural view of the split pin of the present invention before installation;

FIG. 3 is a schematic structural view of the split pin of the present invention after installation;

fig. 4 is a schematic connection diagram of the structure of the extrusion spring of the present invention.

In the figure: 1. a connector body; 2. a gasket; 3. a stopper; 4. a jack; 5. a fixing plate; 6. a nut; 7. a bolt body; 8. a cotter pin; 9. a limiting pressure plate; 10. fixing a column; 11. a connecting plate; 12. a compression spring; 13. and (7) connecting rings.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a connecting piece body 1, packing ring 2, dog 3, jack 4, fixed plate 5, nut 6, bolt body 7, split pin 8, spacing clamp plate 9, fixed column 10, connecting plate 11, extrusion spring 12 and go-between 13 parts are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a vibration-proof bolt comprises a connector body 1, a bolt body 7 is installed in an inner cavity of the connector body 1, a nut 6 is connected to the bottom of the surface of the bolt body 7 through a thread, the top of the nut 6 is in contact with the bottom of the connector body 1, a fixing plate 5 is sleeved on the top of the surface of the bolt body 7, a gasket 2 is installed at the bottom of the fixing plate 5, an inner cavity of the gasket 2 is movably connected with the bolt body 7, the bottom of the gasket 2 is in contact with the top of the connector body 1, a jack 4 is formed in the top of the inner cavity of the bolt body 7, a cotter pin 8 is inserted into the inner cavity of the jack 4, a stop block 3 is fixedly connected to the top and the bottom of the left side of the surface of the fixing plate 5, the left side of the cotter pin 8 is in a bending state and is in clamping connection with the, fixed plate 5 top and the equal fixedly connected with fixed column 10 in bottom on surface right side, the surface cover of fixed column 10 is equipped with limit clamp 9, the hole has been seted up at the top of limit clamp 9 inner chamber, and the inner wall in hole is sliding connection with fixed column 10's surface, limit clamp 9's the outside is provided with extrusion spring 12, the inboard fixedly connected with go-between 13 of extrusion spring 12, go-between 13 keeps away from one side of extrusion spring 12 and limit clamp 9's outside fixed connection, through extrusion spring 12, it is spacing to carry out the position of split pin 8, prevent that split pin 8 can take place the phenomenon of skew at the removal in-process, extrusion spring 12's outside fixedly connected with connecting plate 11, the dorsal part of connecting plate 11 and the front side fixed connection of fixed plate 5.

When the connecting piece is used, firstly, the gasket 2 and the fixing plate 5 are placed at the top of the connecting piece body 1, then the bolt body 7 is sequentially inserted into the fixing plate 5, the gasket 2 and the connecting piece body 1 from top to bottom, then the split pin 8 is inserted into the jack 4 until the split pin 8 moves to the left side of the stop block 3, as shown in the attached drawing 2, when the right side of the split pin 8 is in contact with the limiting pressure plate 9, the limiting pressure plate 9 rotates around the fixing column 10, the extrusion spring 12 is deformed by the rotation of the limiting pressure plate 9, the elastic force is released to extrude and limit the split pin 8 after the extrusion spring 12 stores energy, then the split pin 8 is bent to be in clamping connection with the stop block 3, as shown in the attached drawing 3, finally, the nut 6 is in threaded connection with the bolt body 7, and the nut 6.

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. The utility model provides a antivibration bolt, includes connecting piece body (1), its characterized in that: a bolt body (7) is arranged in the inner cavity of the connecting piece body (1), a nut (6) is connected with the bottom of the surface of the bolt body (7) in a threaded manner, the top of the nut (6) is contacted with the bottom of the connecting piece body (1), the top of the surface of the bolt body (7) is sleeved with a fixing plate (5), the top of the inner cavity of the bolt body (7) is provided with an insertion hole (4), the inner cavity of the insertion hole (4) is inserted with a cotter pin (8), the top and the bottom of the right side of the surface of the fixed plate (5) are both fixedly connected with fixed columns (10), the surface of the fixed column (10) is sleeved with a limit pressure plate (9), the outer side of the limit pressure plate (9) is provided with an extrusion spring (12), the outer side of the extrusion spring (12) is fixedly connected with a connecting plate (11), and the back side of the connecting plate (11) is fixedly connected with the front side of the fixing plate (5).

2. A vibration-proof bolt as defined in claim 1, wherein: the inner side of the extrusion spring (12) is fixedly connected with a connecting ring (13), and one side, far away from the extrusion spring (12), of the connecting ring (13) is fixedly connected with the outer side of the limiting pressing plate (9).

3. A vibration-proof bolt as defined in claim 1, wherein: the top and the bottom of fixed plate (5) surface left side are all fixedly connected with dog (3), the left side of split pin (8) is bending state and is the joint with dog (3) and is connected.

4. A vibration-proof bolt as defined in claim 1, wherein: the top of the inner cavity of the limiting pressing plate (9) is provided with a rotating hole, and the inner wall of the rotating hole is in sliding connection with the surface of the fixing column (10).

5. A vibration-proof bolt as defined in claim 1, wherein: the bottom of fixed plate (5) is installed packing ring (2), the inner chamber and bolt body (7) swing joint of packing ring (2), the bottom of packing ring (2) and the top contact of connecting piece body (1).