CN107676488A - A kind of special-shaped seal ring - Google Patents
A kind of special-shaped seal ring Download PDFInfo
- Publication number
- CN107676488A CN107676488A CN201711033245.4A CN201711033245A CN107676488A CN 107676488 A CN107676488 A CN 107676488A CN 201711033245 A CN201711033245 A CN 201711033245A CN 107676488 A CN107676488 A CN 107676488A
- Authority
- CN
- China
- Prior art keywords
- main body
- sealing ring
- special
- shaped seal
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Abstract
The present invention relates to a kind of special-shaped seal ring, including sealing ring main body（1）, the main body is central portion, its internal hollow out；Sealing ring main body（1）Including upper plane（A）, lower plane（B）And multiple curved surfaces.The sealing property of the special-shaped seal ring of the present invention is more stable, and service life is longer, suitable for the assembling of all kinds of complicated assemblies.Sealing ring main body（1）Upper and lower side be also provided with annular groove（2）, so as to increase contact, improve sealing reliability；The sealing ring will not produce very big resistance after placing for a long time, reduce piston movement resistance.
Description
Technical field
It is close in particular to a kind of abnormity the present invention relates to the parts sealing ring technical field of compressed air circulation
Seal.
Background technology
, there is serious wear in assembling, unloading process in sealing ring generally use O-ring seal of the prior art, it makes
With the problem of life-span is partially short, sealing effectiveness is poor, narrow application range.
Such as the Chinese invention patent that publication No. is the A of CN 104279327, it discloses a kind of automobile special-shaped seal ring,
Include the circle body of annular, the circular in cross-section of the circle body, the circle body radially offers radial groove in one week, described
Radial groove at least two is simultaneously uniformly distributed along the circle body center, uniformly offers four or six on the circle body vertically
Bar axial notch, the circle body interior edge axial centre are provided with blind round hole, and the blind round hole has multiple and along the circle body
The heart is uniformly distributed.The present invention compared with prior art, can solve existing automobile special-shaped seal ring installation inconvenience, easily damaged,
The problem of service life is short.The sealing ring is only used for the hole interior sealing of parts, and the scope of application is narrower, and in the outside of circle body
Groove is provided with, there can be poorly sealed phenomenon in seal process.
The content of the invention
In order to solve above-mentioned technological deficiency existing for prior art, it is an object of the invention to provide a kind of profiled seal
Circle, solves the problems, such as that serious wear, stability are poor in the prior art, service life is short.
In order to realize above-mentioned purpose of design, the scheme that the present invention uses is as follows：
The special-shaped seal ring of the present invention, including sealing ring main body, the main body are central portion, its internal hollow out；Sealing ring main body
Including upper plane, lower plane and multiple curved surfaces.The sealing property of the special-shaped seal ring of the present invention is more stable, and service life is more
It is long, suitable for the assembling of all kinds of complicated assemblies.The upper and lower side of sealing ring main body is also provided with annular groove, so as to increase contact pressure
Power, improve sealing reliability；The sealing ring will not produce very big resistance after placing for a long time, reduce piston movement resistance.
Preferably, the sealing ring main body also includes the first seal, the second seal and the 3rd seal.
In any of the above-described scheme preferably, the sealing ring main body selects elastomeric material.
In any of the above-described scheme preferably, the circumference of the sealing ring main body is in arc-shaped.When compressed air is from close
The side of seal main body enters, and makes the side of sealing ring downward（On）Extruding, in the case of compressed air active force, sealing
The opposite side of circle and outside extruding inwall, play sealing function.
In any of the above-described scheme preferably, the sealing ring main body is from the polytetrafluoroethyl-ne after nitrile rubber and fluorination
Alkene film.The elasticity of rubber is ensure that from nitrile rubber, ensure that the sealing of rubber；Friction is reduced using poly tetrafluoroethylene
Power, wearability is improved, extend service life.
Special-shaped seal ring of the invention has advantages below in summary：It is recessed that the upper and lower side of sealing ring main body is also provided with annular
Groove, so as to increase contact, improve sealing reliability；The sealing ring will not produce very big resistance after placing for a long time
Power, reduce piston movement resistance；When wear occurs, under the influence of air pressure can auxiliary seal, increase reliability.
Brief description of the drawings
Fig. 1 is the structural representation according to a preferred embodiment of the special-shaped seal ring of the present invention.
Fig. 2 is the non-return state diagram according to preferred embodiment shown in Fig. 1 of the special-shaped seal ring of the present invention.
Fig. 3 is according to the matching chart of preferred embodiment and sealed product shown in Fig. 1 of the special-shaped seal ring of the present invention.
Fig. 4 is the use state figure according to preferred embodiment shown in Fig. 1 of the special-shaped seal ring of the present invention.
Embodiment
It is that the following description is substantially merely exemplary and be not intended to limit the disclosure, application or purposes.Below
The embodiment of the special-shaped seal ring of the present invention is further described with reference to Figure of description.
As shown in figure 1, the structural representation of the special-shaped seal ring according to the present invention.
The special-shaped seal ring of the present invention, including sealing ring main body 1, the main body are central portion, its internal hollow out；Sealing ring
Main body 1 includes upper plane A, lower plane B and multiple curved surfaces.The sealing property of the special-shaped seal ring of the present invention is more stable, makes
It is longer with the life-span, suitable for the assembling of all kinds of complicated assemblies.The upper and lower side of sealing ring main body 1 is also provided with annular groove 2, so as to increase
Big contact, improves sealing reliability；The sealing ring will not produce very big resistance after placing for a long time, reduce piston
The resistance of motion.
In the present embodiment, the sealing ring main body 1 also includes the first seal 3, the second seal 4 and the 3rd seal
5。
In the present embodiment, the sealing ring main body 1 selects elastomeric material.
In the present embodiment, the circumference of the sealing ring main body is in arc-shaped.When compressed air from sealing ring main body one
Side enters, and makes the side of sealing ring downward（On）Extruding, in the case of compressed air active force, the opposite side of sealing ring with
Outside extrudes inwall, plays sealing function.
In the present embodiment, the sealing ring main body 1 is from the poly tetrafluoroethylene after nitrile rubber and fluorination.From fourth
Nitrile rubber ensure that the elasticity of rubber, ensure that the sealing of rubber；Frictional force is reduced using poly tetrafluoroethylene, improved resistance to
Mill property, extends service life.
The special-shaped seal ring of the present invention is used for compressed air sealing part, and usable range is 0-10bar gauge pressure, and can use
In Various Complex general assembly.
As shown in Fig. 2 the non-return state diagram according to preferred embodiment shown in Fig. 1 of the special-shaped seal ring of the present invention（P is represented
Air circulation direction）.
Compressed air is entered the inside of sealing ring chamber by P directions, due to air pressure so that sealing ring is by introversion
Expand outside, abnormity circle, to product extruding is coordinated, is caused close at the first seal 3, the second seal 4, the 3rd seal 5
Fitting, so as to reach the state of sealing.
Referring next to shown in Fig. 3, Fig. 4, according to the sealing of preferred embodiment shown in Fig. 1 of the special-shaped seal ring of the present invention
State diagram（P1, P2 represent air circulation direction）.
Special-shaped seal ring is placed in sealed product 6 first, and the inwall of the sealing ring and sealed product 6 is bonded to each other, pressure
Contracting air is by P1（P2) direction enters the die cavity of sealing ring, due to compressed air pressure, now the first seal 3（The
Two seals 4）In the state not being bonded, compressed air is to the second seal 4（First seal 3）Extruding, is formd to two
Side and the offside air pressure to air intake vent, so as to obtain the second seal 4（First seal 3）With the 3rd seal 5
The effect being brought into close contact, the second seal 4 has been finally reached it（First seal 3）With the effect of the 3rd seal 5 sealing.
Non-return acts on：On the basis of above-mentioned steps, P1（P2）The compressed air in direction removes suddenly, the gas in die cavity
To the first sealing 3（Second seal 4）Wash away, due to compressed air active force, make abnormity circle interior expansion, abnormity is enclosed to first
The state that the extruding of the seal 4 of seal 3 and second is brought into close contact, causes the compressed air in die cavity can not flow back to P1
(P2) mouth, so as to obtain the effect of non-return.
Special-shaped seal ring of the invention has advantages below in summary：The upper and lower side of sealing ring main body 1 is also provided with annular
Groove 2, so as to increase contact, improve sealing reliability；The sealing ring will not produce very big after placing for a long time
Resistance, reduce piston movement resistance；When wear occurs, under the influence of air pressure can auxiliary seal, increase reliability.
It will be apparent to those skilled in the art that the special-shaped seal ring of the present invention includes any group of each several part in this specification
Close.As space is limited and in order that specification is concise, these combinations are not discussed in detail one by one herein, but seen this specification
Afterwards, the scope of the present invention that any combination for each several part being made up of this specification is formed is self-evident.
Claims (6)
1. a kind of special-shaped seal ring, including sealing ring main body（1）, it is characterised in that：Sealing ring main body（1）For central portion, its
Internal hollow out；Sealing ring main body（1）Including upper plane（A）, lower plane（B）And multiple curved surfaces.
2. special-shaped seal ring as claimed in claim 1, it is characterised in that：Sealing ring main body（1）Upper and lower side be also provided with annular
Groove（2）.
3. special-shaped seal ring as claimed in claim 1 or 2, it is characterised in that：Sealing ring main body（1）Also include the first seal
（3）, the second seal（4）With the 3rd seal（5）.
4. special-shaped seal ring as claimed in claim 1 or 2, it is characterised in that：Sealing ring main body（1）From elastomeric material.
5. special-shaped seal ring as claimed in claim 1 or 2, it is characterised in that：Sealing ring main body（1）Circumference be in arc-shaped.
6. special-shaped seal ring as claimed in claim 4, it is characterised in that：Sealing ring main body（1）From nitrile rubber and fluorination
Poly tetrafluoroethylene afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033245.4A CN107676488A (en) | 2017-10-30 | 2017-10-30 | A kind of special-shaped seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033245.4A CN107676488A (en) | 2017-10-30 | 2017-10-30 | A kind of special-shaped seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676488A true CN107676488A (en) | 2018-02-09 |
Family
ID=61143338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711033245.4A Pending CN107676488A (en) | 2017-10-30 | 2017-10-30 | A kind of special-shaped seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676488A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0635738U (en) * | 1992-10-19 | 1994-05-13 | エヌオーケー株式会社 | Oil seal |
| CN201651322U (en) * | 2009-11-11 | 2010-11-24 | 青岛开世密封工业有限公司 | Y-shaped sealing ring for reciprocating motion using |
| CN104154232A (en) * | 2014-07-31 | 2014-11-19 | 广东永泉阀门科技有限公司 | Y-shaped sealing ring |
| CN204805394U (en) * | 2015-06-02 | 2015-11-25 | 浙江东星科技有限公司 | Car brake chamber |
| CN205780837U (en) * | 2016-06-28 | 2016-12-07 | 安徽欧凯密封件有限公司 | A kind of Quincunx seal ring |
| CN206145132U (en) * | 2016-10-15 | 2017-05-03 | 广州本优橡胶制品有限公司 | Multiple sealed Y type sealing washer |
| CN207514239U (en) * | 2017-10-30 | 2018-06-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of special-shaped seal ring |
-
2017
- 2017-10-30 CN CN201711033245.4A patent/CN107676488A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0635738U (en) * | 1992-10-19 | 1994-05-13 | エヌオーケー株式会社 | Oil seal |
| CN201651322U (en) * | 2009-11-11 | 2010-11-24 | 青岛开世密封工业有限公司 | Y-shaped sealing ring for reciprocating motion using |
| CN104154232A (en) * | 2014-07-31 | 2014-11-19 | 广东永泉阀门科技有限公司 | Y-shaped sealing ring |
| CN204805394U (en) * | 2015-06-02 | 2015-11-25 | 浙江东星科技有限公司 | Car brake chamber |
| CN205780837U (en) * | 2016-06-28 | 2016-12-07 | 安徽欧凯密封件有限公司 | A kind of Quincunx seal ring |
| CN206145132U (en) * | 2016-10-15 | 2017-05-03 | 广州本优橡胶制品有限公司 | Multiple sealed Y type sealing washer |
| CN207514239U (en) * | 2017-10-30 | 2018-06-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of special-shaped seal ring |
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| PB01 | Publication | ||
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