CN216951221U

CN216951221U - Self-locking bolt based on engine

Info

Publication number: CN216951221U
Application number: CN202220515121.XU
Authority: CN
Inventors: 方啟光
Original assignee: Zhejiang Qiannengsheng Power Co ltd
Current assignee: Zhejiang Qiannengsheng Power Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-12
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to the technical field of self-locking bolts, in particular to a self-locking bolt based on an engine, which comprises a bolt head, a screw rod, a lower shell and an upper shell, the inner side of the bolt head is provided with a groove, a gasket is clamped between the bolt head and the upper shell, the inner side of the gasket is provided with a through hole, the inner side of the upper shell is provided with a limiting groove, the inner side of the limiting groove is contacted with one end of a compression spring, the other end of the compression spring is fixedly connected with a clamping block which is simultaneously connected with the groove, the through hole and the limiting groove in a sliding way, the screw rod is spirally connected with the lower shell and the upper shell, so that when the lower shell and the upper shell are fixedly connected, the self-locking between the bolt head and the screw rod and between the lower shell and the upper shell can be realized through the clamping of the clamping block and the groove, the integral device is prevented from loosening, and the integral stability of the engine is improved.

Description

Self-locking bolt based on engine

Technical Field

The utility model relates to the technical field of self-locking bolts, in particular to a self-locking bolt based on an engine.

Background

With the development of society, the application of self-locking bolts is increasingly wide, and the engine is a machine capable of converting other forms of energy into mechanical energy, and comprises an internal combustion engine (a reciprocating piston engine), an external combustion engine (a stirling engine, a steam engine and the like), a jet engine, an electric motor and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is suitable for a power generation device and can also refer to a whole machine (such as a gasoline engine and an aircraft engine) comprising the power device, the engine is originally produced in the United kingdom, so the concept of the engine is also derived from English, the engine is originally meant to be a 'power generation mechanical device', the assembly of the engine is generally connected and fastened by bolts, but the engine is in a vibration state all the time in the use process, so that loosening can occur in some connecting bolts, and therefore, the self-locking bolt based on the engine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-locking bolt based on an engine, which aims to solve the problem that in the prior art, the self-locking bolt is always in a vibration state during the use process of the engine, and the looseness of certain connecting bolts is possible.

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

the utility model provides a self-locking bolt based on engine, includes bolt head, screw rod, lower casing and last casing, the inboard of bolt head is seted up flutedly, it has the gasket to press from both sides tightly between bolt head and the last casing, the through-hole has been seted up to the inboard of gasket, the spacing groove has been seted up to the inboard of going up the casing, the inboard one end that has compression spring of contact of spacing groove, compression spring's other end fixedly connected with fixture block, the fixture block simultaneously with recess, through-hole and spacing groove sliding connection, screw rod and lower casing and last casing threaded connection.

Preferably: the shape of the groove is rectangular, and the groove is circularly arranged around the screw rod.

Preferably: compression spring and fixture block all have two, the setting of compression spring and fixture block symmetries is in the both sides of screw rod, the recess is the even number for quantity.

Preferably: the top surface of the clamping block is provided with an inclined surface, and the inclination angle of the inclined surface is forty-five degrees.

Preferably: the outer side of the groove is provided with a transparent observation block, the outer side of the transparent observation block is fixedly connected with the bolt head, and the diameter of the transparent observation block is equal to that of the fixture block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the groove, the fixture block, the compression spring and the limiting groove, when the lower shell and the upper shell are fastened and connected, the self-locking between the bolt head and the screw rod as well as between the lower shell and the upper shell can be realized through the clamping of the fixture block and the groove, so that the whole device is prevented from loosening, and the whole stability of the engine is improved.

2. In the utility model, the transparent observation block is arranged to observe the clamping state between the clamping block and the groove in the fastening process, so that the whole device is more reasonable.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the groove of the present invention;

fig. 3 is a schematic perspective view of a fixture block according to the present invention.

In the figure: 1-bolt head, 2-screw rod, 3-lower shell, 4-upper shell, 5-groove, 6-gasket, 7-through hole, 8-limiting groove, 9-compression spring, 10-clamping block, 11-inclined plane, 12-transparent observation block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Referring to fig. 1-3, the present invention provides a technical solution:

a self-locking bolt based on an engine comprises a bolt head 1, a screw rod 2, a lower shell 3 and an upper shell 4, wherein a groove 5 is formed in the inner side of the bolt head 1, a gasket 6 is clamped between the bolt head 1 and the upper shell 4, a through hole 7 is formed in the inner side of the gasket 6, a limiting groove 8 is formed in the inner side of the upper shell 4, one end of a compression spring 9 is contacted with the inner side of the limiting groove 8, a fixture block 10 is fixedly connected to the other end of the compression spring 9, the fixture block 10 is simultaneously in sliding connection with the groove 5, the through hole 7 and the limiting groove 8, the screw rod 2 is in spiral connection with the lower shell 3 and the upper shell 4, so that when the lower shell 3 and the upper shell 4 are fastened and connected, self-locking between the bolt head 1 and the screw rod 2 and the lower shell 3 and the upper shell 4 can be realized through clamping of the fixture block 10 and the groove 5, the whole device is prevented from loosening, and the whole stability of the engine is improved, the grooves 5 are rectangular, the grooves 5 are circularly arranged around the screw rod 2, so that the grooves 5 can be reasonably matched with the clamping blocks 10, two compression springs 9 and two clamping blocks 10 are arranged, the compression springs 9 and the clamping blocks 10 are symmetrically arranged at two sides of the screw rod 2, the number of the grooves 5 is even, therefore, the whole device is more stable, the inclined plane 11 is arranged on the top surface of the fixture block 10, the inclination angle of the inclined plane 11 is forty-five degrees, therefore, the fixture block 10 can slide downwards more conveniently in the fastening process, the outer side of the groove 5 is provided with the transparent observation block 12, the outer side of the transparent observation block 12 is fixedly connected with the bolt head 1, the diameter of the transparent observation block 12 is equal to that of the fixture block 10, in the fastening process, the clamping state between the clamping block 10 and the groove 5 is observed through the transparent observation block 12, so that the whole device is more reasonable.

The working process is as follows: when the lower shell 3 and the upper shell 4 need to be fastened and connected, firstly, a limiting groove 8 is formed in the upper shell 4, a compression spring 9 and a clamping block 10 are placed in the limiting groove 8, then, a through hole 7 of a gasket 6 is aligned with the clamping block 10 to be placed, then, a bolt head 1 is rotated, external threads of a screw rod 2 are in spiral connection with internal threads of the lower shell 3 and the upper shell 4, after the bolt head 1 rotates to a certain degree, an inclined surface 11 of the clamping block 10 can be in sliding connection with the bottom of the bolt head 1, then, the clamping block is clamped with a groove 5 under the elastic potential energy of the compression spring 9, and finally, after the fastening to a certain degree, the clamping block 10 and the groove 5 are kept clamped through a transparent observation block 12.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-locking bolt based on engine which characterized in that: including bolt head (1), screw rod (2), casing (3) and last casing (4) down, recess (5) have been seted up to the inboard of bolt head (1), it has gasket (6) to press from both sides tightly between bolt head (1) and last casing (4), through-hole (7) have been seted up to the inboard of gasket (6), spacing groove (8) have been seted up to the inboard of going up casing (4), the inboard one end that has compression spring (9) of contacting of spacing groove (8), the other end fixedly connected with fixture block (10) of compression spring (9), fixture block (10) simultaneously with recess (5), through-hole (7) and spacing groove (8) sliding connection, screw rod (2) and lower casing (3) and last casing (4) threaded connection.

2. An engine-based self-locking bolt as defined in claim 1 wherein: the shape of the groove (5) is rectangular, and the groove (5) is circularly arranged around the screw rod (2).

3. An engine-based self-locking bolt as defined in claim 1 wherein: the screw rod is characterized in that the number of the compression springs (9) and the number of the clamping blocks (10) are two, the compression springs (9) and the clamping blocks (10) are symmetrically arranged on two sides of the screw rod (2), and the number of the grooves (5) is even.

4. An engine-based self-locking bolt as defined in claim 1 wherein: the top surface of the clamping block (10) is provided with an inclined surface (11), and the inclination angle of the inclined surface (11) is forty-five degrees.

5. An engine-based self-locking bolt as defined in claim 1 wherein: the outer side of the groove (5) is provided with a transparent observation block (12), the outer side of the transparent observation block (12) is fixedly connected with the bolt head (1), and the diameter of the transparent observation block (12) is equal to that of the fixture block (10).