CN210715908U

CN210715908U - Low temperature resistant sealing member

Info

Publication number: CN210715908U
Application number: CN201921670364.5U
Authority: CN
Inventors: 李锋
Original assignee: Qingdao Xuanhai Medical Technology Co Ltd
Current assignee: Qingdao Xuanhai Medical Technology Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-09
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a low temperature resistant sealing element, which comprises an upper layer body, wherein the lower side of the upper layer body is fixedly connected with a cylindrical main body, the lower side of the cylindrical main body is fixedly connected with a lower layer body, the cylindrical main body comprises an outer layer body and an inner layer body, the framework layer body is fixedly connected between the outer side layer body and the inner side layer body, the utility model has a multilayer structure, the lower side of the cylindrical main body is fixedly connected with a lower layer body, the cylindrical main body comprises an outer layer body and an inner layer body, fixedly connected with skeleton layer body between the outside layer body and the inboard layer body, the skeleton layer body adopts metal material to make, can play the effect of strengthening the rigidity, has increased bulk strength, has increased low temperature performance reliability, and the outside of cylinder main part is equipped with annular composite bed, plays low temperature resistant effect for outside silicon rubber material.

Description

Low temperature resistant sealing member

Technical Field

The utility model relates to a sealed technical field specifically is a low temperature resistant sealing member.

Background

The sealing element mainly plays a role in sealing, the traditional sealing element is of a simple circular ring structure, the sealing effect is poor, internal parts are not lubricated in place, abrasion is generated, and unnecessary loss is caused; the existing sealing element has poor low-temperature resistance, the sealing performance of the sealing element can be influenced in a low-temperature environment, and a lot of troubles are brought to the low-temperature working environment; and the existing sealing element has poor lubricating effect and can also influence the use effect of the sealing element. To this end, we propose a low temperature resistant seal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature resistant sealing member to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature resistant sealing member, includes that the upper portion layer body, the downside fixedly connected with cylinder main part of the upper portion layer body, the downside fixedly connected with lower part layer body of cylinder main part, the cylinder main part includes that the outside layer body and the inboard layer body, fixedly connected with skeleton layer body between the outside layer body and the inboard layer body, the lower part layer body is run through to the lower part of the skeleton layer body, the lower part and the lower part layer body fixed connection of the skeleton layer body, the outside of cylinder main part is equipped with the annular composite bed, the quantity of annular composite bed is two.

The purpose of this setting is to have multilayer structure, the downside fixedly connected with lower part layer body of cylinder main part, the cylinder main part includes outside layer body and inboard layer body, fixedly connected with skeleton layer body between the outside layer body and the inboard layer body, the skeleton layer body adopts metal material to make, can play the effect of strengthening the rigidity, has increased the bulk strength, has increased low temperature performance reliability, and the outside of cylinder main part is equipped with annular composite bed, plays low temperature resistant effect for outside silicon rubber material.

Preferably, a grid-shaped oil storage area is arranged on the outer side of the upper layer body.

Preferably, the upper layer body comprises an outer rubber layer and an inner rubber layer, an annular groove is formed between the outer rubber layer and the inner rubber layer, and a first through hole is formed in the upper layer body.

Preferably, the lower side of the framework layer body is provided with a second through hole, and the lower side of the lower layer body is provided with a third through hole.

Preferably, the framework layer body is provided with a groove for clamping the annular composite layer.

Preferably, the annular composite layer comprises a silicone rubber layer and a plastic layer, and the silicone rubber layer is bonded with the plastic layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have multilayer structure, the downside fixedly connected with lower part layer body of cylinder main part, the cylinder main part includes outside layer body and inboard layer body, fixedly connected with skeleton layer body between the outside layer body and the inboard layer body, the skeleton layer body adopts metal material to make, can play the effect of strengthening the rigidity, has increased the bulk strength, has increased low temperature performance reliability, and the outside of cylinder main part is equipped with the annular composite bed, plays low temperature resistant effect for outside silicon rubber material.

Drawings

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

FIG. 2 is a schematic view of the upper layer structure of the present invention;

FIG. 3 is a schematic view of the external structure of the present invention;

fig. 4 is a schematic view of the groove structure of the present invention.

In the figure: 1. an upper layer body; 2. a lower layer body; 3. a cylindrical body; 4. a groove; 5. a skeleton layer body; 6. an annular composite layer; 61. a plastic layer; 62. a silicone rubber layer; 7. an outer layer body; 8. an inner layer body; 9. a grid-shaped oil storage area; 10. a third through hole; 11. an outer rubber layer; 12. an inner rubber layer; 13. an annular groove; 14. a first through hole; 15. a second via.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a low temperature resistant sealing member, includes that the body of upper portion layer 1, the downside fixedly connected with cylinder main part 3 of the body of upper portion layer 1, the body 2 of the downside fixedly connected with lower part layer of cylinder main part 3, cylinder main part 3 includes that the body 7 of the outside layer and the body 8 of the inboard layer, fixedly connected with skeleton layer 5 between the body 8 of the body 7 of the outside layer and the inboard layer, the lower part of the body 5 of the skeleton layer runs through the body 2 of the lower part layer, the lower part and the body 2 fixed connection of the body of the lower part layer of the body 5 of the skeleton layer, the outside of cylinder main part 3 is equipped with annular composite bed 6, the quantity of annular composite.

Specifically, a grid-shaped oil storage area 9 is arranged on the outer side of the upper layer body 1.

Specifically, the upper layer body 1 includes an outer rubber layer 11 and an inner rubber layer 12, an annular groove 13 is provided between the outer rubber layer 11 and the inner rubber layer 12, and a first through hole 14 is provided inside the upper layer body 1.

Specifically, the lower side of the skeleton layer body 5 is provided with a second through hole 15, and the lower side of the lower layer body 2 is provided with a third through hole 10.

Specifically, the framework layer body 5 is provided with a groove 4 for clamping the annular composite layer 6.

Specifically, the annular composite layer 6 comprises a silicone rubber layer 62 and a plastic layer 61, and the silicone rubber layer 62 is bonded with the plastic layer 61.

Specifically, during the use, this low temperature resistant sealing member has multilayer structure, the lower part fixedly connected with lower part layer body 2 of cylinder main part 3, cylinder main part 3 includes the outside layer body 7 and the inboard layer body 8, fixedly connected with skeleton layer body 5 between the outside layer body 7 and the inboard layer body 8, skeleton layer body 5 adopt metal material to make, can play the effect of strengthening the rigidity, have increased the bulk strength, have increased low temperature performance reliability, and the outside of cylinder main part 3 is equipped with annular composite bed 6, plays low temperature resistant effect for outside silicon rubber material.

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. A low temperature resistant seal comprising an upper layer (1), characterized in that: the utility model provides a medical instrument, including cylinder main part (3), the downside fixedly connected with cylinder main part (3) of upper portion layer body (1), the downside fixedly connected with lower part layer body (2) of cylinder main part (3), cylinder main part (3) include that the outside layer body (7) and the inboard layer body (8) of inclining, fixedly connected with skeleton layer body (5) between the outside layer body (7) and the inboard layer body (8), the lower part of the skeleton layer body (5) runs through the lower part layer body (2), the lower part and the lower part layer body (2) fixed connection of the skeleton layer body (5), the outside of cylinder main part (3) is equipped with annular composite bed (6), the quantity of annular composite bed (6) is two.

2. A low temperature resistant seal according to claim 1, wherein: and a latticed oil storage area (9) is arranged on the outer side of the upper layer body (1).

3. A low temperature resistant seal according to claim 1, wherein: the upper layer body (1) comprises an outer rubber layer (11) and an inner rubber layer (12), an annular groove (13) is formed between the outer rubber layer (11) and the inner rubber layer (12), and a first through hole (14) is formed in the upper layer body (1).

4. A low temperature resistant seal according to claim 1, wherein: the downside of skeleton layer body (5) is equipped with second through-hole (15), the downside of lower part layer body (2) is equipped with third through-hole (10).

5. A low temperature resistant seal according to claim 1, wherein: and the framework layer body (5) is provided with a groove (4) for clamping the annular composite layer (6).

6. A low temperature resistant seal according to claim 1, wherein: the annular composite layer (6) comprises a silicone rubber layer (62) and a plastic layer (61), and the silicone rubber layer (62) is bonded with the plastic layer (61).