CN107269838A - A kind of sealing ring with end face seal and self-sealing function - Google Patents
A kind of sealing ring with end face seal and self-sealing function Download PDFInfo
- Publication number
- CN107269838A CN107269838A CN201710624299.1A CN201710624299A CN107269838A CN 107269838 A CN107269838 A CN 107269838A CN 201710624299 A CN201710624299 A CN 201710624299A CN 107269838 A CN107269838 A CN 107269838A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- sealing
- face
- block
- outer shroud
- 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.)
- Granted
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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
- F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
- F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
- F16J15/025—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with at least one flexible lip
-
- 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
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Gasket Seals (AREA)
- Check Valves (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of sealing ring with end face seal and self-sealing function, the sealing ring is used to be coordinated with block, sealed to being provided with body at the valve port of pressure air through hole, outer shroud lug boss and inner ring lip are provided with the sealing ring, the outer shroud lug boss of the sealing ring and the end face compression fit formation end face seal structure of block, the inner ring lip of the sealing ring is pressed on block lower surface in the case where entering the effect of the pressure air in pressure air through hole and forms self sealing structure, the outer shroud lug boss and inner ring lip of the sealing ring are sealed to the end face of block.Compression of the present invention by block and the effect of pressure air, end face formation end face seal that can be in block and the double sealing structure of self sealss, so as to effectively improve the sealing reliability in valve body, it is to avoid valve body produces the phenomenon sewed.
Description
Technical field
It is more particularly to a kind of for having end face close in safety valve the invention belongs to valve body inner seal structure technical field
The sealing ring of envelope and self-sealing function.
Background technology
Safety valve is mainly used in limiting the size of air pressure, and the pressure more than setting value is arranged to air, makes pressure drop
It is low in range of set value, and setting value is adjustable.
The rubber parts that existing safety valve is used is that annular groove is driven on metalwork, and kiss-coating is formed in annular groove, rubber and gold
Belong to valve port formation band, be individual pen annular sealing strip, thrust is not enough or valve port has foreign matter to produce when paving to sew.
The content of the invention
It is an object of the invention to：Have end face seal and self sealss dual there is provided one kind for above-mentioned problem
Sealing effectiveness, sealing property better seal circle.
The technical proposal of the invention is realized in this way：A kind of sealing ring with end face seal and self-sealing function, institute
Stating sealing ring is used to be coordinated with block, is sealed to being provided with body at the valve port of pressure air through hole, it is characterised in that：
Outer shroud lug boss and inner ring lip, the outer shroud lug boss of the sealing ring and the end face pressure of block are provided with the sealing ring
Tight fit formation end face seal structure, the inner ring lip of the sealing ring is entering the effect of the pressure air in pressure air through hole
Under be pressed on block lower surface formed self sealing structure, the outer shroud lug boss and inner ring lip of the sealing ring enter to the end face of block
Row sealing.
Sealing ring of the present invention with end face seal and self-sealing function, it is provided with top loop on the body
Shape groove and lower annular recess, the superstructure of the sealing ring are placed in the upper, annular groove of body, the bottom of the sealing ring
Annulus stop ledge is placed in the lower annular recess of body.
Sealing ring of the present invention with end face seal and self-sealing function, its described sealing ring is in nature
Under, its outer shroud boss is in outside the upper, annular groove of body, and the raised height of outer shroud lug boss is higher than the end face of body, when block will
When the outer shroud lug boss of sealing ring is compressed, the outer shroud lug boss of the sealing ring produces certain deformation and overlayed on the top of body
In annular groove.
Sealing ring of the present invention with end face seal and self-sealing function, the outer shroud lug boss of its sealing ring
In arc-shaped structure, the outer shroud lug boss is clamped to form end face seal structure by the step of block and body, the inner ring lip quilt
Pressure air is pressed on block end face formation self sealing structure, the separate mutual not shadow of the end face seal structure and self sealing structure
Ring, and be the double sealing structure to the formation of same seal face.
Compression of the present invention by block and the effect of pressure air, can be in the end face formation end face seal of block and from close
The double sealing structure of envelope, so as to effectively improve the sealing reliability in valve body, it is to avoid valve body produces the phenomenon sewed.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Marked in figure：1 is sealing ring, and 1a is outer shroud lug boss, and 1b is inner ring lip, and 2 be block, and 3 be body, and 3a is top loop
Shape groove, 3b is lower annular recess, and 4 be pressure air through hole.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, a kind of sealing ring with end face seal and self-sealing function, the sealing ring 1 is used to enter with block 2
Row coordinates, and is sealed to being provided with body 3 at the valve port of pressure air through hole 4, outer ring convex are provided with the sealing ring 1
Play portion 1a and inner ring lip 1b, the outer shroud lug boss 1a of the sealing ring 1 and the end face compression fit formation end face seal of block 2
Structure, the inner ring lip 1b of the sealing ring 1 is pressed under block 2 in the case where entering the effect of the pressure air in pressure air through hole 4
End face formation self sealing structure, the outer shroud lug boss 1a and inner ring lip 1b of the sealing ring 1 carry out close to the end face of block 2
Envelope.
Wherein, upper, annular groove 3a and lower annular recess 3b, the top of the sealing ring 1 are provided with the body 3
Structure is placed in the upper, annular groove 3a of body 3, and the bottom annulus stop ledge of the sealing ring 1 is placed in the lower annular recess of body 3
In 3b, in its natural state, its outer shroud lug boss 1a is located at outside the upper, annular groove 3a of body 3 sealing ring 1, and outer shroud is raised
Height raised portion 1a is higher than the end face of body 3, when block 2 compresses the outer shroud lug boss 1a of sealing ring 1, the sealing ring 1
Outer shroud lug boss 1a produces certain deformation and overlayed in the upper, annular groove 3a of body 3.
In the present embodiment, the outer shroud lug boss 1a of the sealing ring 1 is in arc-shaped structure, the outer shroud lug boss 1a quilts
The step of block 2 and body 3 clamps to form end face seal structure, and the inner ring lip 1b is pressed on the end face of block 2 by pressure air and formed
Self sealing structure, the end face seal structure and self sealing structure are separate to be independent of each other, and is to same seal face shape
Into double sealing structure.The sealing ring of the present invention can form end face seal and self sealss dual-seal band with flat end face, when
When thrust is not enough or arc-shaped convex portion is paved by foreign matter, inner ring lip under pressure air effect with the formation of block end face from
Band can ensure sealing property, i.e., when end face seal structure fails, inner ring lip is acted on by the pressure air of entrance
On, inner ring lip is pressed on valve block end face formation sealing structure, be prevented effectively from the situation that pressure air is sewed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of sealing ring with end face seal and self-sealing function, the sealing ring（1）For with block（2）Coordinated,
To body（3）On be provided with pressure air through hole（4）Valve port at sealed, it is characterised in that：In the sealing ring（1）On set
It is equipped with outer shroud lug boss（1a）And inner ring lip（1b）, the sealing ring（1）Outer shroud lug boss（1a）With block（2）End face
Compression fit formation end face seal structure, the sealing ring（1）Inner ring lip（1b）Entering pressure air through hole（4）Interior
Block is pressed under pressure air effect（2）Lower surface forms self sealing structure, the sealing ring（1）Outer shroud lug boss（1a）With
Inner ring lip（1b）To block（2）End face sealed.
2. the sealing ring according to claim 1 with end face seal and self-sealing function, it is characterised in that：In the body
（3）On be provided with upper, annular groove（3a）And lower annular recess（3b）, the sealing ring（1）Superstructure be placed in body（3）
Upper, annular groove（3a）It is interior, the sealing ring（1）Bottom annulus stop ledge be placed in body（3）Lower annular recess（3b）
It is interior.
3. the sealing ring according to claim 2 with end face seal and self-sealing function, it is characterised in that：The sealing
Circle（1）In its natural state, its outer shroud lug boss（1a）Positioned at body（3）Upper, annular groove（3a）Outside, and outer shroud lug boss
（1a）Raised height is higher than body（3）End face, work as block（2）By sealing ring（1）Outer shroud lug boss（1a）It is described close during compression
Seal（1）Outer shroud lug boss（1a）Produce certain deformation and overlayed in body（3）Upper, annular groove（3a）It is interior.
4. the sealing ring with end face seal and self-sealing function according to claim 1,2 or 3, it is characterised in that：Institute
State sealing ring（1）Outer shroud lug boss（1a）In arc-shaped structure, the outer shroud lug boss（1a）By block（2）And body（3）Platform
Rank clamps to form end face seal structure, the inner ring lip（1b）Block is pressed on by pressure air（2）End face formation self sealss knot
Structure, the end face seal structure and self sealing structure are separate to be independent of each other, and is to the dual of same seal face formation
Sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624299.1A CN107269838B (en) | 2017-07-27 | 2017-07-27 | A kind of sealing ring with end face seal and self-sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624299.1A CN107269838B (en) | 2017-07-27 | 2017-07-27 | A kind of sealing ring with end face seal and self-sealing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107269838A true CN107269838A (en) | 2017-10-20 |
| CN107269838B CN107269838B (en) | 2018-11-27 |
Family
ID=60079208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624299.1A Active CN107269838B (en) | 2017-07-27 | 2017-07-27 | A kind of sealing ring with end face seal and self-sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269838B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19644356A1 (en) * | 1996-10-25 | 1998-04-30 | Baelz Gmbh Helmut | Hot water and steam valve seat pre=positioned in valve housing |
| CN2418322Y (en) * | 2000-03-21 | 2001-02-07 | 西安力利科技产业总公司 | Combined sealing device for plane rotary valve |
| JP2006292152A (en) * | 2005-04-14 | 2006-10-26 | Toyota Motor Corp | Opening/closing valve device for fluid |
| CN202250293U (en) * | 2011-07-29 | 2012-05-30 | 重庆长安汽车股份有限公司 | Plane sealing ring |
| CN202493731U (en) * | 2010-11-01 | 2012-10-17 | 艾默生过程管理调节技术公司 | Fluid regulator |
| CN203857065U (en) * | 2013-03-14 | 2014-10-01 | 费希尔控制国际公司 | Sliding stem control valve and sealing component used for high-temperature control valve |
| CN105736774A (en) * | 2014-12-25 | 2016-07-06 | 爱三工业株式会社 | Flow control valve and fuel vapor processing apparatus |
| CN206943414U (en) * | 2017-07-27 | 2018-01-30 | 眉山中车制动科技股份有限公司 | A kind of sealing ring with end face seal and self-sealing function |
-
2017
- 2017-07-27 CN CN201710624299.1A patent/CN107269838B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19644356A1 (en) * | 1996-10-25 | 1998-04-30 | Baelz Gmbh Helmut | Hot water and steam valve seat pre=positioned in valve housing |
| CN2418322Y (en) * | 2000-03-21 | 2001-02-07 | 西安力利科技产业总公司 | Combined sealing device for plane rotary valve |
| JP2006292152A (en) * | 2005-04-14 | 2006-10-26 | Toyota Motor Corp | Opening/closing valve device for fluid |
| CN202493731U (en) * | 2010-11-01 | 2012-10-17 | 艾默生过程管理调节技术公司 | Fluid regulator |
| CN202250293U (en) * | 2011-07-29 | 2012-05-30 | 重庆长安汽车股份有限公司 | Plane sealing ring |
| CN203857065U (en) * | 2013-03-14 | 2014-10-01 | 费希尔控制国际公司 | Sliding stem control valve and sealing component used for high-temperature control valve |
| CN105736774A (en) * | 2014-12-25 | 2016-07-06 | 爱三工业株式会社 | Flow control valve and fuel vapor processing apparatus |
| CN206943414U (en) * | 2017-07-27 | 2018-01-30 | 眉山中车制动科技股份有限公司 | A kind of sealing ring with end face seal and self-sealing function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107269838B (en) | 2018-11-27 |
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