CN214465479U

CN214465479U - Fastening assembly

Info

Publication number: CN214465479U
Application number: CN202021204681.0U
Authority: CN
Inventors: 朱之兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-10-22
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a fastening component, which relates to the technical field of mechanical assembly and comprises a bolt, a nut, a gasket and a bolt; clamping grooves are axially formed in the inner side wall of the nut and the outer side wall of the rod part of the bolt; the inner side of the gasket is provided with a convex part; when the gasket and the nut are assembled on the bolt and used for fastening parts, the clamping grooves of the nut and the clamping grooves of the bolt can be arranged oppositely to form a limiting groove group, and the convex part of the gasket is clamped in the clamping groove of the bolt; the bolt can simultaneously clamp the two clamping grooves of the limiting groove group to prevent the nut and the bolt from rotating relatively. Compared with the prior art, the assembly has the advantages that the assembly can improve the anti-loosening performance of the assembly on the original basis of the screw fastening assembly through the matching of the protruding portions of the gaskets, the bolts and the clamping grooves of the bolts and the nuts, the fastening assembly is very convenient to disassemble, the procedure of detaching the bolts only needs to be added, and electric welding cutting is not needed.

Description

Fastening assembly

Technical Field

The utility model relates to a mechanical assembly technical field particularly, relates to a fastening assembly.

Background

The bolt fastening assembly is a mechanical fastening assembly used for assembling two or more members into a whole and comprises a bolt, a nut and a gasket, wherein the rod part of the bolt is provided with an external thread, and the nut is provided with an internal thread. When utilizing this fastening components assembly two parts, the connecting hole of these two parts is run through simultaneously to the pole portion of bolt, and the head card of bolt is outside the connecting hole of first part, and bolt pole portion end is worn out from the connecting hole of second part, later embolias the gasket, and with nut threaded connection in the pole portion of screw rod, the gasket extrudees between nut and second part, so plays the antiskid effect, and whole fastening structure has good mechanical locking performance. To the lower environment of locking performance requirement, this type of fastening components can satisfy the requirement, but many times, often to locking performance is higher, this type of fastening components then can not satisfy the requirement.

In order to improve the anti-loosening performance, one measure which is often adopted at present is to increase the number of gaskets, but the anti-loosening performance is limited; the other anti-loosening treatment method is to directly weld the bolt and the part, and although the anti-loosening effect is obvious, the bolt needs to be electrically welded and cut during disassembly, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fastening assembly, it can alleviate above-mentioned problem.

In order to alleviate the above-mentioned problem, the utility model discloses the technical scheme who takes as follows:

a fastening assembly comprises a bolt, a nut, a gasket and a bolt;

a first clamping groove and a second clamping groove are axially formed in the inner side wall of the nut and the outer side wall of the rod part of the bolt respectively;

the inner side of the gasket is provided with a convex part;

when the gasket and the nut are assembled on the bolt and used for fastening parts, the first clamping groove and the second clamping groove can be arranged oppositely to form a limiting groove group, and the convex part of the gasket is clamped in the second clamping groove;

optionally, the gasket has an elastic deformation capability.

Optionally, the first card slot is a through slot.

Optionally, the length of the plug pin is greater than the length of the first card slot.

Optionally, the clamping groove is a rectangular groove, and the plug pin is of a cuboid structure matched with the clamping groove.

Optionally, the slot is a circular slot, and the plug is a cylindrical structure matched with the slot.

Optionally, the number of the first slots of the nut, the number of the second slots of the bolt, and the number of the gasket bosses are all N; if N is greater than 1, the raised portions are arranged circumferentially around the center of the gasket; when the gasket and the nut are assembled on the bolt and used for fastening parts, the first clamping grooves and the second clamping grooves are oppositely arranged in a one-to-one correspondence manner and form N limiting groove groups, and the protruding parts of the gasket are clamped into the second clamping grooves in a one-to-one correspondence manner; the number of the bolts is N, the bolts correspond to the limiting groove groups one by one, and for each limiting groove group, the corresponding bolt can simultaneously clamp two clamping grooves of the bolt so as to prevent the nut and the bolt from rotating relatively.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation of the protruding portion of gasket, bolt and the draw-in groove of bolt and nut, can improve the locking performance of subassembly on the original basis of screw fastening subassembly, fastening assembly's dismantlement is very convenient moreover, for current operating procedure, only need increase demolish the procedure of bolt can, need not to weld the cutting, the operation is very simple.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an embodiment of the application of the fastening assembly;

FIG. 2 is a schematic structural view of the gasket according to the embodiment;

FIG. 3 is a schematic structural view of the nut in the embodiment;

FIG. 4 is a schematic structural view of the bolt according to the embodiment;

FIG. 5 is a schematic view of an assembly structure of the bolt and the nut in the embodiment;

in the figure: 1-bolt, 2-nut, 3-gasket, 4-bolt, 5-boss, 6-part I, 7-part II, 8-second slot and 9-first slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Referring to fig. 1 to 5, the present embodiment provides a fastening assembly, which includes a bolt 1, a nut 2, a washer 3 and a bolt 4;

wherein the gasket 3 has elastic deformation capability.

A first clamping groove 9 and a second clamping groove 8 are axially formed in the inner side wall of the nut 2 and the outer side wall of the rod part of the bolt 1 respectively;

the inner side of the gasket 3 is provided with a convex part 5;

when the gasket 3 and the nut 2 are assembled on the bolt 1 and used for fastening parts, the first clamping groove 9 of the nut 2 and the second clamping groove 8 of the bolt can be arranged in opposite directions to form a limiting groove group, and the protruding part 5 of the gasket 3 is clamped into the second clamping groove 8 of the bolt 9;

the bolt 4 can simultaneously clamp the two

clamping grooves

8 and 9 of the limiting groove group to prevent the nut 2 and the bolt 1 from rotating relatively.

In this embodiment, the slot of the nut 2 is a through slot, and the length of the bolt 4 is greater than that of the slot of the nut 2, so that the bolt 4 can be conveniently taken out and disassembled.

The shape of the card slot is not limited in the patent, and for example, the card slot can be in the following two forms:

1) the clamping groove is a rectangular groove, and the bolt 4 is of a cuboid structure matched with the clamping groove;

2) the clamping groove is a circular groove, and the bolt 4 is of a cylindrical structure matched with the clamping groove.

The number of the bolts 4, the clamping grooves of the nuts 2, the clamping grooves of the bolts 1 and the protruding parts of the gaskets 3 can be set to be multiple, and the bolts, the clamping grooves of the nuts 2, the clamping grooves of the bolts 1 and the protruding parts of the gaskets 3 can be in one-to-one correspondence or not, so long as the requirement that at least one limiting groove group is formed when parts are fastened is met, at least one protruding part can be clamped into a second clamping groove 8 of the bolts 1, and at least one clamping pin 4 can be correspondingly clamped into one limiting groove group; if there are a plurality of bosses 5, they are arranged circumferentially around the center of the gasket 3, wherein the bosses may be arranged circumferentially uniformly or circumferentially non-uniformly.

For convenience of description, in the present embodiment, the number of the plug 4, the first engaging groove 9 of the nut 2, the second engaging groove 8 of the bolt 1, and the protruding portion 5 of the gasket 3 is one, and the number of the limiting groove group is only one.

As shown in fig. 1, there is shown a diagram of an application of the fastening assembly according to the present embodiment.

The connecting holes of the part I6 and the part II 7 are aligned and overlapped, the rod part of the bolt 1 penetrates through the hole exposed out of the part II 7 and penetrates out of the hole exposed out of the part I6, and the head part of the bolt 1 is clamped at the hole exposed out of the part II 7;

sleeving the gasket 3 on the rod part of the bolt 1, so that the boss part 5 of the gasket 3 is clamped in the second clamping groove 8 of the bolt 1;

then the nut 2 is connected to the rod part of the bolt 1 in a threaded mode, the gasket 3 is pressed on the part I6, the periphery of the gasket 3 is folded upwards towards the nut 2, and the nut 2 and the bolt 1 are locked;

for the size of the gasket 3, the gasket 3 can be processed to a proper thickness according to the thickness of the part, or the gaskets 3 can be added to a proper number for overlapping use, so that under the condition of locking the part, the first clamping groove 9 of the nut 2 and the second clamping groove 8 of the bolt 1 are correspondingly arranged oppositely, and a limit groove group is formed, as shown in fig. 1 and 5;

after the part is locked, the bolt 4 is inserted into the limit groove group, so that the bolt 4 simultaneously clamps the first clamping groove 9 of the nut 2 and the second clamping groove 8 of the bolt 1, and finally the purpose that the nut 2, the bolt 1, the gasket 3 and the part are not loosened relatively is achieved.

When the part I6 and the part II 7 need to be disassembled, the operation method is only required to be reversely operated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fastening assembly comprises a bolt, a nut and a gasket, and is characterized by further comprising a bolt;

the inner side of the gasket is provided with a convex part;

the bolt can simultaneously clamp the two clamping grooves of the limiting groove group to prevent the nut and the bolt from rotating relatively.

2. The fastening assembly of claim 1, wherein the shim has an elastic deformation capability.

3. The fastening assembly of claim 1, wherein the first card slot is a through slot.

4. The fastening assembly of claim 3, wherein the length of the plug pin is greater than the length of the first card slot.

5. The fastening assembly of claim 1, wherein the slot is a rectangular slot and the plug is a rectangular parallelepiped configured to mate with the slot.

6. The fastener assembly of claim 1, wherein said catch is a circular slot and said plug is a cylindrical structure that mates with said catch.

7. The fastening assembly according to claim 1, wherein the number of first detents of the nut, the number of second detents of the bolt, and the number of washer projections are each N; if N is greater than 1, the raised portions are arranged circumferentially around the center of the gasket; when the gasket and the nut are assembled on the bolt and used for fastening parts, the first clamping grooves and the second clamping grooves are oppositely arranged in a one-to-one correspondence manner and form N limiting groove groups, and the protruding parts of the gasket are clamped into the second clamping grooves in a one-to-one correspondence manner; the number of the bolts is N, the bolts correspond to the limiting groove groups one by one, and for each limiting groove group, the corresponding bolt can simultaneously clamp two clamping grooves of the bolt so as to prevent the nut and the bolt from rotating relatively.