CN212360434U

CN212360434U - Bolt mounting sleeve and mounting device

Info

Publication number: CN212360434U
Application number: CN202020355635.4U
Authority: CN
Inventors: 张丽
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-15
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses an installation sleeve and installation device of bolt, the installation sleeve of bolt includes: a body defining a mounting hole; the protective layer with the self-lubricating function is arranged on at least part of the surface of the body, which is in contact with the bolt. From this, through setting up the inoxidizing coating, when using installation sleeve construction bolt, compare with prior art, can increase the degree of lubrication on the surface of body and bolt contact, can prevent that the surface coating of bolt from producing wearing and tearing, thereby can improve production efficiency, and then can reduce the disability rate of bolt, the problem of bolt surface coating by the fish tail easily has been solved, and, also can promote the corrosion resisting property of bolt, can prolong the life of bolt, simultaneously, also can guarantee that the inoxidizing coating of installation sleeve self can not worn and torn.

Description

Bolt mounting sleeve and mounting device

Technical Field

The utility model belongs to the technical field of the assembly and specifically relates to an installation sleeve of bolt and have this installation telescopic installation device is related to.

Background

In the correlation technique, the installation sleeve surface of bolt is carbon steel and electroplating treatment, and when using installation sleeve installation bolt, the sleeve leads to self surface easy damage with bolt and packing ring contact to, also can fish tail the coating on bolt surface, lead to bolt coating to destroy, the appearance damage before dispatching from the factory arouses the rework, leads to low in production efficiency, simultaneously, also can reduce the corrosion resisting property of bolt, influences the life of bolt.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a mounting sleeve of bolt, this mounting sleeve of bolt can prevent that the surface coating of bolt from producing wearing and tearing, has solved the problem that the bolt surface coating is easily by the fish tail, also can guarantee that the inoxidizing coating of mounting sleeve self can not worn and torn.

The utility model discloses a further provide an installation device.

According to the utility model discloses an installation sleeve of bolt includes: a body defining a mounting hole; the protective layer with the self-lubricating function is arranged on at least part of the surface of the body, which is in contact with the bolt.

According to the utility model discloses an installation sleeve of bolt, through setting up the inoxidizing coating, when using installation sleeve construction bolt, compared with the prior art, can increase the degree of lubrication on the surface of body and bolt contact, can prevent that the surface coating of bolt from producing wearing and tearing, thereby can improve production efficiency, and then can reduce the disability rate of bolt, the problem of bolt surface coating by the fish tail easily has been solved, and, also can promote the corrosion resisting property of bolt, can prolong the life of bolt, and simultaneously, the inoxidizing coating that also can guarantee installation sleeve self can not worn and torn.

In some examples of the invention, the protective layer is provided on an inner side wall of the mounting hole.

In some examples of the invention, the protective layer is provided on all inner side walls of the mounting hole.

In some examples of the invention, a surface of the body opposite the gasket is provided with the protective layer.

In some examples of the invention, the protective layer is provided on all surfaces of the body opposite to the gasket.

In some examples of the invention, the protective layer provided on the inner side wall of the mounting hole and the protective layer provided on the surface of the body opposite to the gasket are integrally formed.

In some examples of the invention, the protective layer is a teflon coating.

In some examples of the invention, the protective layer is provided on the entire outer surface of the body.

According to the utility model discloses an installation device, including the installation sleeve of foretell bolt.

In some examples of the present invention, the mounting device further comprises: the connecting rod and installation spanner, the one end of connecting rod with installation spanner is connected, the other end with installation muffjoint.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a cross-sectional view of a mounting sleeve, a connecting rod and a bolt of a mounting device according to an embodiment of the invention.

Reference numerals:

mounting the sleeve 10;

a body 1; a mounting hole 11; an inner side wall 12;

a protective layer 2;

a connecting rod 201;

a bolt 30; a spacer 40.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A mounting sleeve 10 for a bolt 30 according to an embodiment of the invention is described below with reference to fig. 1.

As shown in fig. 1, a mounting sleeve 10 according to an embodiment of the present invention includes: the self-lubricating protective layer comprises a body 1 and a protective layer 2 with a self-lubricating function. The body 1 defines a mounting hole 11, the protective layer 2 is arranged on at least part of the surface of the body 1 contacting with the bolt 30, it should be noted that when the bolt 30 is mounted and turned by using the mounting sleeve 10, the head of the bolt 30 is matched in the mounting hole 11, because the protective layer 2 has self-lubricating property, the lubricating degree of the surface of the body 1 contacting with the bolt 30 can be increased, the surface coating of the bolt 30 can be prevented from being worn by contacting with the bolt 30 through the protective layer 2, the production efficiency can be improved, the rejection rate of the bolt 30 can be reduced, the problem that the surface coating of the bolt 30 is easily scratched is solved, and because the surface coating of the bolt 30 is not easily scratched when the bolt 30 is mounted by using the mounting sleeve 10, the anti-corrosion property of the bolt 30 can be improved, the service life of the bolt 30 can be prolonged, meanwhile, by arranging the protective layer 2 on the surface of, it is also possible to prevent the protective layer 2 of the mounting sleeve 10 itself from being worn.

From this, through setting up inoxidizing coating 2, when using installation sleeve 10 construction bolt 30, compare with prior art, can increase the degree of lubrication on the surface of body 1 and bolt 30 contact, can prevent that the surface coating of bolt 30 from producing wearing and tearing, thereby can improve production efficiency, and then can reduce the disability rate of bolt 30, the problem of bolt 30 surface coating by the fish tail easily has been solved, and, also can promote bolt 30's corrosion resisting property, can prolong bolt 30's life, simultaneously, also can guarantee that the inoxidizing coating 2 of installation sleeve 10 self can not worn and torn.

In some embodiments of the present invention, as shown in fig. 1, the protection layer 2 may be disposed on the inner sidewall 12 of the mounting hole 11, wherein when the bolt 30 is rotatably mounted by using the mounting sleeve 10, the head of the bolt 30 fits in the mounting hole 11, the head of the bolt 30 contacts with the inner sidewall 12 of the mounting hole 11, and the head of the bolt 30 contacts with the protection layer 2 on the inner sidewall 12 of the mounting hole 11, so as to prevent the head of the bolt 30 from being damaged, thereby reducing the after-sale problem of the bolt 30.

Further, the protection layer 2 may be disposed on all the inner side walls 12 of the mounting hole 11, and it may also be understood that the protection layer 2 is disposed on all the inner side walls 12 of the mounting hole 11, so that the disposition area of the protection layer 2 can be increased, and after the head of the bolt 30 contacts the inner side walls 12 of the mounting hole 11, the head of the bolt 30 can be further ensured to contact with the protection layer 2 on the inner side walls 12 of the mounting hole 11, and the head of the bolt 30 can be further prevented from being damaged, so that the after-sale problem of the bolt 30 can be further reduced.

In some embodiments of the present invention, as shown in fig. 1, the surface of the body 1 opposite to the gasket 40 may be provided with an protective layer 2, it should be noted that, as shown in fig. 1, the lower end surface of the body 1 may be provided with the protective layer 2, wherein, when the bolt 30 is installed by using the installation sleeve 10, the lower end surface of the body 1 contacts with the gasket 40, since the lower end surface of the body 1 is provided with the protective layer 2, the gasket 40 can be contacted with the protective layer 2 by such a setting, the gasket 40 can be prevented from being scratched, thereby it can be ensured that the coating on the surface of the gasket 40 is intact, and further, the service life of the gasket 40 can be.

Further, the inoxidizing coating 2 can set up on the whole surface relative with gasket 40 of body 1, that is to say, the whole terminal surface all is provided with inoxidizing coating 2 down of body 1, so set up the area that can increase the lower terminal surface of body 1 and set up inoxidizing coating 2, can guarantee gasket 40 and inoxidizing coating 2 contact to can prevent gasket 40 by the fish tail better, thereby can guarantee better that the coating on gasket 40 surface is intact, and then can further prolong gasket 40's life.

The utility model discloses an in some embodiments, set up in the inoxidizing coating 2 of the inside wall 12 of mounting hole 11 and set up in the inoxidizing coating 2 integrated into one piece on the surface relative with gasket 40 of body 1, set up like this and can avoid setting up in inoxidizing coating 2 of the inside wall 12 of mounting hole 11 and set up in the inoxidizing coating 2 separation of the lower terminal surface of body 1, can guarantee that the surface with bolt 30, gasket 40 contact of body 1 all has inoxidizing coating 2 to can make the setting of inoxidizing coating 2 more reasonable.

The utility model discloses an in some embodiments, inoxidizing coating 2 can set up to the teflon coating, and the self-lubricating performance of teflon coating is good, and the teflon coating has keep apart foreign matter ability, coefficient of friction is little, do not have wearing and tearing, high temperature resistance to bolt 30 and gasket 40. Wherein, use installation sleeve 10 installation to twist reverse bolt 30 in-process, the head and the gasket 40 that the self-lubricating function of teflon coating can effectively protect bolt 30 are not by the fish tail, and the surface coating that can protect bolt 30 is intact to, because teflon coating self wearability is good, the loss is little, make teflon coating reuse rate high.

The utility model discloses an in some embodiments, inoxidizing coating 2 can set up on the whole surface of body 1, sets up like this and can further increase inoxidizing coating 2 and set up the area, can guarantee better that the surface coating of installation sleeve 10 can not receive the damage.

As shown in fig. 1, according to the utility model discloses a mounting device, including the mounting sleeve 10 of above-mentioned embodiment, mounting sleeve 10 sets up on mounting device, this mounting sleeve 10 can increase the degree of lubrication on the surface of body 1 and bolt 30 contact, can prevent that the surface coating of bolt 30 from producing wearing and tearing, thereby can improve production efficiency, and then can reduce bolt 30's disability rate, the problem of bolt 30 surface coating easily by the fish tail has been solved, and, also can promote bolt 30's corrosion resisting property, can prolong bolt 30's life, and simultaneously, also can guarantee that inoxidizing coating 2 of mounting sleeve 10 self can not worn and torn.

In some embodiments of the present invention, as shown in fig. 1, the mounting device may further include: connecting rod 201 and installation spanner, the one end and the installation spanner of connecting rod 201 are connected, and the other end and the installation sleeve 10 of connecting rod 201 are connected, and when using installation device construction bolt 30, through installation spanner control connecting rod 201 drive installation sleeve 10 and rotate and make bolt 30 install the completion.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A mounting sleeve for a bolt, comprising:

a body defining a mounting hole;

the protective layer with the self-lubricating function is arranged on at least part of the surface of the body, which is in contact with the bolt.

2. The bolt mounting sleeve of claim 1, wherein said shield is disposed on an inner sidewall of said mounting hole.

3. The bolt mounting sleeve of claim 2, wherein said shield is disposed on all inner sidewalls of said mounting hole.

4. A mounting sleeve for a bolt according to claim 2, wherein the surface of the body opposite the washer is provided with said protective coating.

5. The bolt mounting sleeve of claim 4 wherein said shield is provided on the entire surface of said body opposite said washer.

6. The bolt mounting sleeve of claim 4, wherein said shield provided to said inner sidewall of said mounting hole and said shield provided to a surface of said body opposite said washer are integrally formed.

7. A mounting sleeve for a bolt according to claim 4, in which the shield is a Teflon coating.

8. A bolt mounting sleeve according to claim 1, wherein the shield is provided over the entire outer surface of the body.

9. A mounting device comprising a mounting sleeve for a bolt according to any one of claims 1 to 8.

10. The mounting device of claim 9, further comprising: the connecting rod and installation spanner, the one end of connecting rod with installation spanner is connected, the other end with installation muffjoint.