CN216666465U

CN216666465U - Special-shaped outer sealing ring

Info

Publication number: CN216666465U
Application number: CN202123091955.7U
Authority: CN
Inventors: 徐永辉; 粟由军; 谭兆征
Original assignee: Guangdong Alite Seal Manufacturing Co ltd
Current assignee: Guangdong Alite Seal Manufacturing Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-03
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a special-shaped outer sealing ring, which comprises a sealing cylinder body, wherein an upper layer body is arranged on the upper side of the sealing cylinder body, a latticed oil storage area is arranged at the outer edge part of the upper layer body, a lower layer body is arranged on the lower side of the sealing cylinder body, a mounting hole is formed in the lower layer body, a first connecting pipe is arranged on the left side of the sealing cylinder body, the special-shaped outer sealing ring is provided with the sealing cylinder body, the upper layer body is arranged on the upper side of the sealing cylinder body, the latticed oil storage area is arranged at the outer edge part of the upper layer body, sealing oil can be smeared in the latticed oil storage area to play a role in strengthening and sealing, the lower ends of the first connecting pipe and the second connecting pipe are respectively communicated with the mounting hole to play a role in exhausting and preventing explosion, a first annular composite layer and a second annular composite layer are arranged on the outer side of the sealing cylinder body, a nylon skeleton layer is arranged inside the first annular composite layer, and a rubber layer is arranged on the outer side of the nylon skeleton layer, can play the effect of strengthening overall structure intensity.

Description

Special-shaped outer sealing ring

Technical Field

The utility model relates to the technical field of sealing rings, in particular to a special-shaped outer sealing ring.

Background

A sealing ring in the prior art, such as chinese utility model publication No. CN213929417U, provides an elastic sealing ring and a sealing ring mounting structure. The seal ring has a seal ring main body portion that is tightly fitted in a mounting groove of a target component, and at least one convex portion that is integrally formed on the seal ring main body portion and protrudes outward in the axial direction with respect to one surface of the seal ring main body portion in the axial direction, so that the convex portion is inserted and fixed into a concave portion of the target component in a state where the seal ring main body portion is fitted in the mounting groove, but the above-described seal ring does not have a skeleton layer, is not high in overall strength, and cannot be exhausted, and for this reason, we have proposed a shaped outer seal ring.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special-shaped outer sealing ring to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dysmorphism external seal circle, includes sealed barrel, the upside of sealed barrel is equipped with the upper portion layer body, the outer fringe part of the upper portion layer body is equipped with latticed oil storage area, the downside of sealed barrel is equipped with the lower part layer body, be equipped with the mounting hole on the layer body of lower part, the left side of sealed barrel is equipped with first connecting pipe, the right side of sealed barrel is equipped with the second connecting pipe, the lower extreme of first connecting pipe and second connecting pipe communicates with the mounting hole respectively, the upper portion of the layer body of upper portion is equipped with two air vents, the outside of sealed barrel is equipped with first annular composite bed and second annular composite bed, the upper portion of sealed barrel is equipped with annular limiting plate.

As a further optimization of the technical scheme, a nylon skeleton layer is arranged inside the first annular composite layer, and a rubber layer is arranged outside the nylon skeleton layer.

By adopting the technical scheme, the overall strength of the nylon framework layer is higher, and the rubber layer can closely adhere to a workpiece needing to be sealed.

As a further optimization of the present technical solution, the first annular composite layer and the second annular composite layer have the same structure.

By adopting the technical scheme, the first annular composite layer and the second annular composite layer are both provided with the nylon framework layer and the rubber layer.

As further optimization of the technical scheme, the sealing cylinder comprises a polyethylene inner layer and a silicon rubber outer layer.

Through adopting above-mentioned technical scheme, sealed barrel adopts multilayer structure can be when guaranteeing sealing performance, increase intensity.

As a further optimization of the technical solution, the upper ends of the first connecting pipe and the second connecting pipe are respectively communicated with the two vent holes.

Through adopting above-mentioned technical scheme, can prevent that internal pressure is too big, the air vent is used for communicating with the mounting hole.

As a further optimization of the technical scheme, the upper layer body comprises an outer rubber layer and an inner rubber layer, and a nylon filtering screen is fixedly connected inside the outer inner rubber layer.

Through adopting above-mentioned technical scheme, the inside nylon filter wire net of outer inside rubber layer can play the purpose of filtering impurity.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with a sealing cylinder, an upper layer body is arranged on the upper side of the sealing cylinder, a latticed oil storage area is arranged at the outer edge part of the upper layer body, sealing oil can be smeared on the latticed oil storage area to play a role in strengthening sealing, the lower ends of a first connecting pipe and a second connecting pipe are respectively communicated with an installation hole to play a role in exhausting and preventing explosion, a first annular composite layer and a second annular composite layer are arranged on the outer side of the sealing cylinder, a nylon skeleton layer is arranged inside the first annular composite layer, and a rubber layer is arranged on the outer side of the nylon skeleton layer to play a role in strengthening the overall structural strength.

Drawings

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

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

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

fig. 4 is a schematic structural diagram of the sealing cylinder of the present invention.

In the figure: 1. an annular limiting plate; 2. a first annular composite layer; 21. a nylon skeleton layer; 22. a rubber layer; 3. a second annular composite layer; 4. sealing the cylinder body; 41. an outer layer of silicone rubber; 42. an inner polyethylene layer; 5. a first connecting pipe; 6. a second connecting pipe; 7. a lower layer body; 8. mounting holes; 9. an upper layer body; 91. a vent hole; 92. an outer rubber layer; 93. an inner rubber layer; 94. a nylon filter screen.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a dysmorphism external seal circle, includes sealed barrel 4, the upside of sealed barrel 4 is equipped with upper portion layer body 9, the outer fringe part of upper portion layer body 9 is equipped with latticed oil storage area 10, the downside of sealed barrel 4 is equipped with lower part layer body 7, be equipped with mounting hole 8 on the lower part layer body 7, the left side of sealed barrel 4 is equipped with first connecting pipe 5, the right side of sealed barrel 4 is equipped with second connecting pipe 6, the lower extreme of first connecting pipe 5 and second connecting pipe 6 communicates with mounting hole 8 respectively, the upper portion of upper portion layer body 9 is equipped with two air vents 91, the outside of sealed barrel 4 is equipped with first annular composite bed 2 and second annular composite bed 3, the upper portion of sealed barrel 4 is equipped with annular limiting plate 1.

The first annular composite layer 2 is internally provided with a nylon framework layer 21, the outer side of the nylon framework layer 21 is provided with a rubber layer 22, the overall strength of the nylon framework layer 21 is higher, and the rubber layer 22 can closely adhere to a workpiece to be sealed.

The first annular composite layer 2 and the second annular composite layer 3 have the same structure and are both provided with a nylon skeleton layer 21 and a rubber layer 22.

The sealing cylinder 4 comprises a polyethylene inner layer 42 and a silicon rubber outer layer 41, and the sealing cylinder 4 adopts a multilayer structure, so that the sealing performance can be guaranteed, and the strength can be increased.

The upper ends of the first and

second connection pipes

5 and 6 are respectively communicated with two air vents 91, and air vents 91 are provided to communicate with the mounting holes 8 in order to prevent an excessive internal pressure.

The upper layer body 9 comprises an outer rubber layer 92 and an inner rubber layer 93, a nylon filtering wire mesh 94 is fixedly connected inside the outer rubber layer 93, and the nylon filtering wire mesh 94 can filter impurities.

Specifically, during the use, this dysmorphism external seal circle has sealed barrel 4, the upside of sealed barrel 4 is equipped with upper portion layer body 9, the outer fringe part of upper portion layer body 9 is equipped with latticed oil storage district 10, can paint the sealing oil in latticed oil storage district 10, plays the enhancement sealing effect, and the lower extreme of first connecting pipe 5 and second connecting pipe 6 communicates with mounting hole 8 respectively, plays the explosion-proof effect of exhaust, and the outside of sealed barrel 4 is equipped with first annular composite bed 2 and second annular composite bed 3, and the inside of first annular composite bed 2 is equipped with nylon skeleton layer 21, the outside of nylon skeleton layer 21 is equipped with rubber layer 22, can play the effect of strengthening overall structure intensity.

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 an outer seal ring of dysmorphism, includes sealed barrel (4), its characterized in that: the upside of sealed barrel (4) is equipped with upper portion layer body (9), the outer fringe part that the body (9) was layered on upper portion is equipped with latticed oil storage district (10), the downside of sealed barrel (4) is equipped with lower part layer body (7), be equipped with mounting hole (8) on the lower part layer body (7), the left side of sealed barrel (4) is equipped with first connecting pipe (5), the right side of sealed barrel (4) is equipped with second connecting pipe (6), the lower extreme of first connecting pipe (5) and second connecting pipe (6) communicates with mounting hole (8) respectively, the upper portion of the body (9) is layered on upper portion is equipped with two air vents (91), the outside of sealed barrel (4) is equipped with first annular composite bed (2) and second annular composite bed (3), the upper portion of sealed barrel (4) is equipped with annular limiting plate (1).

2. The profiled outer sealing ring according to claim 1, wherein: the first annular composite layer (2) is internally provided with a nylon framework layer (21), and the outer side of the nylon framework layer (21) is provided with a rubber layer (22).

3. The profiled outer sealing ring according to claim 2, wherein: the first annular composite layer (2) and the second annular composite layer (3) are identical in structure.

4. The profiled outer sealing ring according to claim 1, wherein: the sealing cylinder body (4) comprises a polyethylene inner layer (42) and a silicon rubber outer layer (41).

5. The profiled outer sealing ring according to claim 1, wherein: the upper ends of the first connecting pipe (5) and the second connecting pipe (6) are respectively communicated with the two vent holes (91).

6. The profiled outer sealing ring according to claim 1, wherein: the upper layer body (9) comprises an outer rubber layer (92) and an inner rubber layer (93), and a nylon filtering screen (94) is fixedly connected inside the outer inner rubber layer (93).