CN218992325U

CN218992325U - Composite sealing ring suitable for low-temperature environment

Info

Publication number: CN218992325U
Application number: CN202223345113.4U
Authority: CN
Inventors: 黄谷; 王哲
Original assignee: Suzhou Atmit Sealing Technology Co ltd
Current assignee: Suzhou Atmit Sealing Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-09
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a composite sealing ring suitable for a low-temperature environment, which belongs to the field of sealing rings, and comprises a sealing ring body, wherein an annular cavity is formed in the sealing ring body, a supporting mechanism is arranged in the annular cavity, a blocking part is arranged in the supporting mechanism, the sealing ring body comprises a rubber layer and a silica gel layer, the annular cavity in the sealing ring can be supported by the supporting mechanism and the blocking part, the cold shrinkage range of the sealing ring body can be reduced, the deformation of the sealing ring body is reduced, the deformation resistance and the stability of the sealing ring body are further improved, a plurality of supporting components are arranged in the sealing ring, and the supporting components have certain elasticity, so that the sealing ring can be prevented from being damaged due to gravity extrusion while the hardness is kept.

Description

Composite sealing ring suitable for low-temperature environment

Technical Field

The utility model relates to the field of sealing rings, in particular to a composite sealing ring suitable for a low-temperature environment.

Background

Chinese patent grant bulletin number: CN102767572B, which provides a low temperature resistant sealing ring, replaces the original polyurethane sealing ring with a sealing ring of a novel structure, and is formed by injection molding a silicone rubber sealing ring and a supporting framework, so that the low temperature resistant performance of the sealing ring can be met, and the sealing ring has double sealing performance; because the stainless steel supporting framework is additionally arranged, the integral strength of the sealing ring is improved.

When the low-temperature-resistant sealing ring is used, the stainless steel supporting framework is additionally arranged, so that the stainless steel supporting framework is high in hardness and not provided with elasticity, the sealing ring is easy to deform and cannot recover due to gravity extrusion, the sealing ring is easy to damage, and the quality of the sealing ring is reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a composite sealing ring suitable for a low-temperature environment, which can support an annular cavity inside the sealing ring by arranging a supporting mechanism and a blocking part, reduce the cold shrinkage range of the sealing ring body, reduce the deformation of the sealing ring body, further improve the deformation resistance and stability of the sealing ring body, and simultaneously, a plurality of supporting components are arranged inside the sealing ring, and the supporting components have certain elasticity, so that the inside of the sealing ring has certain elasticity while keeping certain hardness, the sealing ring is prevented from being damaged due to gravity extrusion, and the protection of the sealing ring is facilitated.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a compound sealing washer suitable for under low temperature environment, includes the sealing washer body, the inside annular cavity that is provided with of sealing washer body, the inside supporting mechanism that is provided with of annular cavity, the inside supporting mechanism that is provided with of supporting mechanism can realize through setting up supporting mechanism and blocking the part, support the inside annular cavity of sealing washer, can reduce the scope of sealing washer body shrinkage, reduce the sealing washer body and produce deformation, and then improve the anti-deformation performance and the stability of sealing washer body, simultaneously, sealing washer internally mounted has a plurality of supporting components, supporting component possesses certain elasticity, also has certain elasticity when keeping certain hardness in the sealing washer inside, avoid the sealing washer to lead to the damage at receiving the gravity extrusion, be favorable to the protection to the sealing washer.

Further, the sealing washer body includes rubber layer and silica gel layer, the silica gel layer sets up in outside position, the rubber layer sets up in inside position, during the use, because the sealing washer body is applicable to under the low temperature environment, is provided with the silica gel layer through its outside, and the silica gel material is low temperature resistant and the leakproofness is good, can effectively improve the quality and the life of sealing washer body.

Further, all be provided with a plurality of wear-resisting granule in the lower extreme about the sealing washer body, during the use, the sealing washer body can receive the extrusion of upper and lower end connector, through the setting of wear-resisting granule, can improve the wearability of sealing washer body.

Further, supporting mechanism includes the sheetmetal, the inside upper and lower end of annular cavity is all fixedly connected with sheetmetal, inboard fixedly connected with a plurality of supporting components of sheetmetal, during the use, vertically support the inside of sealing washer body through the sheetmetal to support two sheetmetals through a plurality of supporting components.

Further, a plurality of supporting component all includes telescopic link and spring, two the inboard a plurality of telescopic links of equal fixedly connected with of sheetmetal, the spring is installed to the telescopic link outer end, and during the use, through the outside tension of spring, supports two sheetmetals.

Further, the blocking component comprises a first corrugated pipe and a second corrugated pipe, the two inner ends of the inner sides of the metal sheets are fixedly connected with the first corrugated pipe, the outer ends of the inner sides of the metal sheets are fixedly connected with the second corrugated pipe, when the sealing ring is used, the first corrugated pipe and the second corrugated pipe are compressed by longitudinal extrusion force, the sealing ring body is in a low-temperature environment, the rubber layer of the sealing ring body is slightly contracted, and the sealing ring body can be prevented from being deformed greatly through the arrangement of the first corrugated pipe and the second corrugated pipe.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) This scheme can be realized through setting up supporting mechanism and blocking part, supports the inside annular cavity of sealing washer, can reduce the scope of sealing washer body shrinkage, reduces the sealing washer body and produces deformation, and then improves the anti-deformation performance and the stability of sealing washer body, simultaneously, sealing washer internally mounted has a plurality of supporting components, and supporting component possesses certain elasticity, makes the sealing washer inside also have certain elasticity when keeping certain hardness, avoids the sealing washer to lead to damaging at receiving the gravity extrusion, is favorable to the protection to the sealing washer.

(2) The sealing washer body includes rubber layer and silica gel layer, and the silica gel layer sets up in outside position, and the rubber layer sets up in inside position, during the use, because the sealing washer body is applicable to under the low temperature environment, is provided with the silica gel layer through its outside, and the silica gel material is low temperature resistant and the leakproofness is good.

(3) The supporting mechanism comprises metal sheets, the upper end and the lower end of the inside of the annular cavity are fixedly connected with the metal sheets, the inner sides of the metal sheets are fixedly connected with a plurality of supporting components, the supporting components comprise telescopic rods and springs, the inner sides of the two metal sheets are fixedly connected with a plurality of telescopic rods, the springs are installed at the outer ends of the telescopic rods, the inside of the sealing ring body is longitudinally supported through the metal sheets, and the two metal sheets are supported through the supporting components.

(4) The blocking component comprises a first corrugated pipe and a second corrugated pipe, the inner ends of the inner sides of the two metal sheets are fixedly connected with the first corrugated pipe, the outer ends of the inner sides of the metal sheets are fixedly connected with the second corrugated pipe, when the sealing ring is used, the first corrugated pipe and the second corrugated pipe are subjected to longitudinal extrusion force to be compressible, the sealing ring body is in a low-temperature environment, the rubber layer of the sealing ring body is slightly contracted with cold, and the sealing ring body can be prevented from being deformed greatly through the arrangement of the first corrugated pipe and the second corrugated pipe.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a seal ring body according to the present utility model;

FIG. 3 is a schematic view of a support assembly according to the present utility model;

fig. 4 is a schematic structural view of a first bellows and a second bellows according to the present utility model.

The reference numerals in the figures illustrate:

1. a seal ring body; 11. a rubber layer; 12. a silica gel layer; 2. wear-resistant particles; 3. an annular cavity; 4. a metal sheet; 5. a first bellows; 6. a second bellows; 7. a support assembly; 71. a telescopic rod; 72. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-4, a composite sealing ring suitable for use in low temperature environment includes a sealing ring body 1, an annular cavity 3 is provided inside the sealing ring body 1, a supporting mechanism is provided inside the annular cavity 3, a blocking part is provided inside the supporting mechanism, the annular cavity 3 inside the sealing ring body 1 is supported by the supporting mechanism and the blocking part, the shrinkage range of the sealing ring body 1 can be reduced, the deformation of the sealing ring body 1 is reduced, and the deformation resistance and stability of the sealing ring body 1 are improved.

Referring to fig. 2, the sealing ring body 1 includes a rubber layer 11 and a silica gel layer 12, the silica gel layer 12 is disposed at an outer side position, the rubber layer 11 is disposed at an inner side position, and when in use, since the sealing ring body 1 is suitable for a low temperature environment, the silica gel layer 12 is disposed at the outer side of the sealing ring body, the quality and the service life of the sealing ring body 1 can be effectively improved, and cracking and the like of the sealing ring body 1 are avoided.

Referring to fig. 1-2, the upper and lower ends of the sealing ring body 1 are provided with a plurality of wear-resistant particles 2, when in use, the sealing ring body 1 is extruded by the connectors at the upper and lower ends, and the wear resistance of the sealing ring body 1 can be improved through the arrangement of the wear-resistant particles 2.

Referring to fig. 2-3, the supporting mechanism includes a metal sheet 4, the upper end and the lower end of the inside of the annular cavity 3 are fixedly connected with the metal sheet 4, the inner side of the metal sheet 4 is fixedly connected with a plurality of supporting components 7, and when in use, the inside of the sealing ring body 1 is longitudinally supported by the metal sheet 4, and the two metal sheets 4 are supported by the plurality of supporting components 7, so that the inside of the sealing ring body 1 keeps a certain hardness, and the sealing ring body 1 is molded.

Referring to fig. 2-3, the supporting components 7 include a telescopic rod 71 and a spring 72, the inner sides of the two metal sheets 4 are fixedly connected with the telescopic rods 71, the spring 72 is installed at the outer ends of the telescopic rods 71, when in use, the two metal sheets 4 are supported by the outward tension of the spring 72, and when in use, the sealing ring body 1 is extruded by objects at the upper end and the lower end, and the sealing ring body 1 is internally supported by the spring 72 and the telescopic rods 71.

Referring to fig. 4, the blocking component includes a first bellows 5 and a second bellows 6, the inner ends of the inner sides of the two metal sheets 4 are fixedly connected with the first bellows 5, the outer ends of the inner sides of the metal sheets 4 are fixedly connected with the second bellows 6, when in use, the first bellows 5 and the second bellows 6 are compressed by longitudinal extrusion force, and the sealing ring body 1 is in a low temperature environment, the rubber layer 11 is in a slight cold shrinkage state, and the sealing ring body 1 can be prevented from being deformed greatly by the arrangement of the first bellows 5 and the second bellows 6.

The working principle of the utility model is as follows: because sealing washer body 1 is applicable to under the low temperature environment, through being provided with silica gel layer 12 in its outside, silica gel material low temperature resistant and leakproofness are good, can effectively improve the quality and the life of sealing washer body 1, through the inside vertical support of sheetmetal 4 to sealing washer body 1, and support two sheetmetals 4 through a plurality of supporting component 7, make sealing washer body 1 inside keep certain hardness, first bellows 5 and second bellows 6 are all installed in sheetmetal 4 inboard position, first bellows 5 and second bellows 6 receive vertical extrusion force compressible, and sealing washer body 1 is in the low temperature environment, its rubber layer 11 is to producing slight shrinkage state, through the setting of first bellows 5 and second bellows 6, can avoid sealing washer body 1 to produce great deformation.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a compound sealing washer suitable for under low temperature environment, includes sealing washer body (1), its characterized in that: the sealing ring is characterized in that an annular cavity (3) is formed in the sealing ring body (1), a supporting mechanism is arranged in the annular cavity (3), and a blocking part is arranged in the supporting mechanism.

2. The composite seal ring of claim 1 adapted for use in a low temperature environment, wherein: the sealing ring comprises a sealing ring body (1) and is characterized in that the sealing ring body comprises a rubber layer (11) and a silica gel layer (12), the silica gel layer (12) is arranged at the outer side, and the rubber layer (11) is arranged at the inner side.

3. The composite seal ring of claim 1 adapted for use in a low temperature environment, wherein: the upper end and the lower end of the sealing ring body (1) are respectively provided with a plurality of wear-resistant particles (2).

4. The composite seal ring of claim 1 adapted for use in a low temperature environment, wherein: the supporting mechanism comprises a metal sheet (4), and the upper end and the lower end inside the annular cavity (3) are fixedly connected with the metal sheet (4).

5. The composite seal ring of claim 4 adapted for use in a low temperature environment, wherein: a plurality of supporting components (7) are fixedly connected to the inner sides of the two metal sheets (4).

6. The composite seal ring of claim 5 adapted for use in a low temperature environment, wherein: the supporting components (7) comprise telescopic rods (71) and springs (72), the inner sides of the metal sheets (4) are fixedly connected with the telescopic rods (71), and the springs (72) are arranged at the outer ends of the telescopic rods (71).

7. The composite seal ring of claim 6 adapted for use in a low temperature environment, wherein: the blocking component comprises a first corrugated pipe (5) and a second corrugated pipe (6), wherein the first corrugated pipe (5) is fixedly connected to the inner ends of the inner sides of the metal sheets (4), and the second corrugated pipe (6) is fixedly connected to the outer ends of the inner sides of the metal sheets (4).