CN206309966U - A kind of butterfly valve seal circle and butterfly valve - Google Patents
A kind of butterfly valve seal circle and butterfly valve Download PDFInfo
- Publication number
- CN206309966U CN206309966U CN201621405800.2U CN201621405800U CN206309966U CN 206309966 U CN206309966 U CN 206309966U CN 201621405800 U CN201621405800 U CN 201621405800U CN 206309966 U CN206309966 U CN 206309966U
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- CN
- China
- Prior art keywords
- access division
- butterfly valve
- sealing
- seal circle
- lateral surface
- 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.)
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Abstract
The utility model provides a kind of butterfly valve seal circle and butterfly valve, is related to seal field, and butterfly valve seal circle includes sealing in a ring and is connected to first Access Division and the second Access Division of sealing；Sealing inner side has working face, is provided with least two seal convexities on working face, seal convexity along working face circumferentially extending and form annular；First Access Division and the second Access Division in a ring and are arranged at intervals at the outside of sealing respectively, and at least one of the first Access Division and the second clamping are provided with step-like projection.Butterfly valve seal circle of the present utility model has better seal effect.
Description
Technical field
The utility model is related to seal field, in particular to a kind of butterfly valve seal circle and butterfly valve.
Background technology
Butterfly valve is a kind of regulating valve of simple structure, and the butterfly valve that can be used for the switch control of low pressure pipeline medium refers to close
Part (flap or butterfly plate) is disk, reaches a kind of valve of open and close around valve shaft rotation, valve can be used to controlling air,
The flowing of all kinds fluids such as water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium.
It is main on pipeline to play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, around the axle of its own in valve body
Line rotates, so as to reach the purpose for opening and closing or adjusting.
Butterfly valve seal circle easily causes abrasion, so as to cause butterfly valve seal bad as the critical component of sealing.Traditional
The face that butterfly valve seal circle is contacted with butterfly plate is smooth inclined-plane or cambered surface, and sealing effectiveness is not good.Conventional seals circle insertion valve body is used
It is generally smooth in the surface at fixed position, it is unfavorable for sealing, less stable of the sealing ring in valve body, and assemble not
Just.
Utility model content
The purpose of this utility model is to provide a kind of butterfly valve seal circle, and it has better seal performance.
Another object of the present utility model is to provide a kind of butterfly valve, and it has better seal performance.
What embodiment of the present utility model was realized in：
A kind of butterfly valve seal circle, it include sealing in a ring and be connected to sealing the first Access Division and
Second Access Division；Sealing inner side has working face, and at least two seal convexities are provided with working face, and seal convexity is along work
The circumferentially extending in face and form annular；First Access Division and the second Access Division in a ring and are arranged at intervals at sealing respectively
Outside, at least one of the first Access Division and the second clamping are provided with step-like projection.
In preferred embodiment of the present utility model, the section of seal convexity is the isosceles trapezoid of rounding, seal convexity
Between form seal groove, the section for sealing trench bottom is circular arc.
In preferred embodiment of the present utility model, seal convexity array is arranged at working face, and sealing is relative to butterfly valve
Central plane where sealing ring is symmetrical.
In preferred embodiment of the present utility model, the first Access Division is provided with the first outside away from the side of the second Access Division
Face, step-like projection is arranged at the first lateral surface, and the second Access Division is provided with the second lateral surface, platform away from the side of the first Access Division
Scalariform projection is arranged at the second lateral surface.
In preferred embodiment of the present utility model, the section of working face is camber line, the first lateral surface and the one of working face
Side is connected；Second lateral surface is connected with the opposite side of working face, and the section of butterfly valve seal circle is V-type.
In preferred embodiment of the present utility model, step-like raised including first raised and the second projection, first is raised
Be arranged at the first lateral surface along the direction of extension array of the first Access Division, the second projection along the second Access Division direction of extension array
It is arranged at the second lateral surface.
In preferred embodiment of the present utility model, the first Access Division is with the second Access Division relative to where butterfly valve seal circle
Central plane set in mirror image, the lateral surface of the first Access Division, the second Access Division and sealing is collectively forming mounting groove.
A kind of butterfly valve, it includes valve body and butterfly plate, and valve body is provided with above-mentioned butterfly valve seal circle.
In preferred embodiment of the present utility model, valve body has through hole, and the inner side of through hole is circumferentially arranged the first peace
Dress portion and the second installation portion, the portion of medial side of the first installation portion, the second installation portion and through hole are collectively forming fitting recess, the first card
Socket part is arranged in fitting recess with the second Access Division, and the first installation portion has the first mating surface coordinated with the first Access Division, the
Two installation portions have the second mating surface coordinated with the second Access Division.
In preferred embodiment of the present utility model, butterfly plate is circle, and sealing surface, sealing surface are provided with the edge of butterfly plate
Coordinate with seal convexity.
The beneficial effect of the utility model embodiment is：The inner side of butterfly valve seal circle of the present utility model has sealing convex
Rise, make that there is better seal effect between butterfly valve seal circle and butterfly plate；And have on the first Access Division and the second Access Division
Step-like projection, makes have better seal effect between sealing ring and valve body.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to be used needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Other related accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the sectional view of butterfly valve seal circle in the utility model embodiment；
Fig. 2 is the sectional view of butterfly valve seal circle in the utility model embodiment；
Fig. 3 is the cross-sectional view of butterfly valve in the utility model embodiment；
Fig. 4 is the enlarged diagram of local I V in Fig. 3.
Icon：100- butterfly valve seal circles；110- sealings；The Access Divisions of 120- first；The Access Divisions of 130- second；112- works
Face；114- mounting surfaces；The step-like projections of 116-；113- seal convexities；115- seal grooves；117- mounting grooves；122- first is raised；
The lateral surfaces of 121- first；The lateral surfaces of 131- second；132- second is raised；The grooves of 123- first；The grooves of 133- second；124- first
Side face；The side faces of 134- second；The medial surfaces of 125- first；The medial surfaces of 135- second；The flanges of 126- first；The flanges of 136- second；
The grooves of 127- the 3rd；The cambered surfaces of 128- first；The cambered surfaces of 138- second；The grooves of 137- the 4th；200- butterfly valves；210- valve bodies；211-
One installation portion；The mating surfaces of 212- first；The installation portions of 213- second；The mating surfaces of 214- second；215- fitting recess；220- butterfly plates；
222- sealing surfaces.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The component of the utility model embodiment for showing can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, term " " center ", " on ", " level ", " interior ", " outward " etc. in description of the present utility model
The orientation or position relationship of instruction are that, based on orientation shown in the drawings or position relationship, or the utility model product is when using
The orientation or position relationship usually put, are for only for ease of description the utility model and simplify description, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the present utility model.Additionally, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and can not
It is interpreted as indicating or implying relative importance.
Additionally, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, and can be slightly
Low dip.It is not that the expression structure must be complete if " level " refers to only its direction with respect to more level for " vertical "
Full level, and can be to be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected,
Or be integrally connected；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to by intermediary
It is indirectly connected to, can is two connections of element internal.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Embodiment
Fig. 1 is refer to, the present embodiment provides a kind of butterfly valve seal circle 100, and it includes sealing 110, is connected to sealing
110 the first Access Division 120 and the second Access Division 130.Sealing 110, the first Access Division 120 and the second Access Division 130
Elastomeric material is to be made, and sealing 110, the first Access Division 120 and the second Access Division 130 are integrally formed.
It should be understood that in other embodiments of the present utility model, butterfly valve seal circle 100 can be by other in addition to rubber
Resilient material, in other embodiments, sealing 110, the first Access Division 120 and the three of the second Access Division 130 can be with
It is connected with other fit systems.
Sealing 110 is cyclic structure, and relative butterfly valve seal 100 place central planes of circle are symmetrical.Fig. 2 is refer to, it is close
The inner side in envelope portion 110 is provided with working face 112, and outside is provided with mounting surface 114.The section of working face 112 is integrally curved.Working face
112 middle parts are provided with multiple seal convexities 113, and seal convexity 113 is extended circumferentially and form along the place annulus of sealing 110
Annular.The both sides of working face 112 are evenly arranged with step-like raised 116, and the relative place central plane of butterfly valve seal circle 100 is in
Mirror image is set.It should be understood that in other embodiments, sealing 110 can be unsymmetric structure, the step of the both sides of working face 112
Shape projection 116 can also be that non-mirror image is set.
The cross sectional shape of seal convexity 113 is the isosceles trapezoid of rounding, and seal groove 115 is formed between seal convexity 113,
The cross sectional shape of the bottom of seal groove 115 is circular arc.Step-like raised 116 section is the isosceles triangle that array is set, and
And each raised summit rounding.It should be understood that in other embodiments, the cross sectional shape of seal convexity 113 can also be half
The other shapes such as circle, half elliptic, trapezoidal, triangle, the triangle of rounding, step-like raised 116 cross sectional shape
Can be semicircle, half elliptic, trapezoidal or rounding the other shapes such as trapezoidal.
First Access Division 120 and the second Access Division 130 are circumferentially arranged on the mounting surface 114 of sealing 110 respectively, and
Form annular.First Access Division 120 and the second Access Division 130 are stretched out to the outside of butterfly valve seal circle 100 respectively.First Access Division
120 and the interval setting of the second Access Division 130, and it is collectively forming mounting groove 117 with mounting surface 114.First Access Division 120 and second
Access Division 130 inclines to the both sides of butterfly valve seal circle 100 respectively, and in 60 degree of angles, the section of butterfly valve seal circle 100 forms V
Shape.It should be understood that in other embodiments of the present utility model, the angle between the first Access Division 120 and the second Access Division 130 can
Being unspecified angle between 0 degree to 90 degree.
Fig. 1 and Fig. 2 is refer to, the first Access Division 120 is the first lateral surface 121 away from the side of the second Access Division 130, the
One lateral surface 121 is connected with working face 112.Second Access Division 130 is the second lateral surface away from the side of the first Access Division 120
131, the second lateral surface 131 is connected with working face 112.First lateral surface 121 and the second lateral surface 131 are equipped with step-like projection
116.First Access Division 120 is set with the place central plane of the second 130 relative butterfly valve seal circle of Access Division 100 in mirror image.Ying Li
Solution, in other embodiments, the first Access Division 120 and the second Access Division 130 can be set for non-mirror picture.
Step-like raised 116 include being arranged at the first raised 122 of the first lateral surface 121 and are arranged at the second lateral surface
131 the second projection 132.First projection 122 circumferentially extends around the first lateral surface 121, and multiple first projections 122 are first
Array is set in direction of extension laterally for Access Division 120, so as to form step-like.Second projection 132 was around the second lateral surface 131 weeks
Set to extension, and multiple second projections 132 array on the second Access Division 130 laterally direction of extension, so as to form platform
Scalariform.The section of the first raised 122 and second projection 132 is the isosceles triangle of summit rounding.Between first projection 122
Interval position form the first groove 123, interval position between the second projection 132 forms the second groove 133, the first groove
123 and the bottom of the second groove 133 section be circular arc.
It should be understood that in other embodiments of the present utility model, the cross sectional shape of the first raised 122 and second projection 132
Can be semicircle, half elliptic, trapezoidal, rounding the other shapes such as trapezoidal, the first groove 123 and the second groove 133
Bottom section can also be straight line or V-arrangement.
The free end of the first Access Division 120 has the first side face 124, and the free end of the second Access Division 130 has second week
Face 134, the first side face 124 and the second side face 134 collectively form the outer peripheral face of butterfly valve seal circle 100.First side face 124 and second
Side face 134 is coplanar, and the first side face 124 is parallel with mounting surface 114 respectively with the second side face 134.First side face 124 and first
Lateral surface 121 is connected by the first cambered surface 128, and the second side face 134 is connected with the second lateral surface 131 by the second cambered surface 138.Should
Understand, in other embodiments of the present utility model, the first side face 124 can be directly connected to the first lateral surface 121, second week
Face 134 can be directly connected to the second lateral surface 131.
First Access Division 120 is provided with the first medial surface 125 near the side of mounting groove 117, and the second Access Division 130 is near installation
The side of groove 117 is provided with the second medial surface 135.First medial surface 125 is provided with the first flange 126, and the first flange 126 is circumferentially
Extend and form annular.Second medial surface 135 is provided with the second flange 136, and the second flange 136 circumferentially forms annular.The
The section of one flange 126 is the isosceles triangle of top rounding, and the 3rd groove 127 is formed between the first flange 126, and the 3rd is recessed
The bottom section of groove 127 is circular arc.The several times of the second flange 136 be top rounding isosceles triangle, the second flange 136 it
Between form the 4th groove 137, the bottom section of the 4th groove 137 is circular arc.Preferably, the direction of extension of the first flange 126 is hung down
It is straight in the direction of extension of the first Access Division 120, the stretching, extension side of the direction of extension of the second flange 136 perpendicular to the second Access Division 130
To.
It should be understood that in other embodiments of the present utility model, the first flange 126 and the second flange 136 can be circumferentially
Array and the section of non-formation annular, the first flange 126 and the second flange 136 can be semicircle, half elliptic, isosceles trapezoid
Etc. other shapes.The section of the bottom of the 3rd groove 127 and the 4th groove 137 can be straight line, or V-arrangement.
The beneficial effects of the utility model are：
The utility model proposes butterfly valve seal circle on the inside of working face on be provided with seal convexity, butterfly valve can be strengthened close
Sealing property between seal and butterfly plate, while step-like projection is provided with the outside of the first Access Division and the second Access Division,
Strengthen the sealing property between butterfly valve seal circle and valve body.And butterfly valve seal ring cross-section is integrally V-shaped, the first Access Division and
Mounting groove is formed between two Access Divisions, the handling of butterfly valve seal circle can be facilitated.
Fig. 3 is refer to, the present embodiment provides a kind of butterfly valve 200, and it includes the butterfly valve seal circle that first embodiment is proposed
100, butterfly valve 200 also includes valve body 210 and butterfly plate 220.Butterfly valve seal circle 100 is removably installed in valve body 210, butterfly plate 220
It is rotatably installed on valve body 210.
Fig. 4 is refer to, valve body 210 has through-hole structure, its inner side is provided with the first installation portion 211 and the second installation portion 213,
First installation portion 211 and the second installation portion 213 are in a ring and interval setting.First installation portion 211, the second installation portion 213 and
Valve body 210 is collectively forming the fitting recess 215 of annular.The section of fitting recess 215 be with the trapezoidal of opening, and opening be less than bottom
Side.Realize butterfly valve seal circle 100 the first Access Division 120 and the second Access Division 130 be installed into it is difficult for drop-off in fitting recess 215.
First installation portion 211 has the first mating surface 212, and the first mating surface 212 coordinates with the first lateral surface 121.Second
Installation portion 213 has the second mating surface 214, and the second mating surface 214 coordinates with the second lateral surface 131.First mating surface 212 and
Two mating surfaces 214 are the conical surface of ring-type.Preferably, the angle of the first mating surface 212 and the second mating surface 214 is 60 degree.Should
Understand, in other embodiments of the present utility model, the first mating surface 212 and the second mating surface 214 can be and the first outside
It is step-like that the medial surface 125 of face 121 and first is engaged.
Butterfly plate 220 is circular plate type, and its outer has sealing surface 222, and sealing surface 222 is the conical surface annular in shape, sealing surface 222
Working face 112 with butterfly valve seal circle 100 coordinates.It should be understood that in other embodiments, can be set and work on sealing surface 222
Make the groove of the cooperation of face 112.
In sum, the utility model proposes a kind of butterfly valve seal circle and butterfly valve, butterfly valve seal circle includes the sealing of ring-type
Portion, the first Access Division and the second Access Division, the medial surface of sealing have working face, at least two are provided with working face close
Envelope is raised, seal convexity along working face the annular that extends circumferentially and form, the first Access Division and the second Access Division are arranged at intervals at
Sealing outside, one of the first Access Division and the second Access Division are provided with step-like projection.Butterfly valve includes the utility model
The butterfly valve seal circle of proposition, butterfly plate and valve body.The seal convexity set on sealing is caused between butterfly valve seal circle and butterfly plate
Sealing property it is more preferable；And set on the first Access Division and/or the second Access Division it is step-like raised cause butterfly valve seal circle with
Sealing property between valve body is more preferable.So that whole butterfly valve possesses better seal performance.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of butterfly valve seal circle, it is characterised in that it includes sealing in a ring and is connected to the sealing
The first Access Division and the second Access Division；The sealing inner side has working face, and at least two are provided with the working face
Seal convexity, the seal convexity along the working face circumferentially extending and form annular；First Access Division and described
Second Access Division in a ring and is arranged at intervals at the outside of the sealing, first Access Division and second card respectively
At least one of connect and to be provided with step-like projection.
2. butterfly valve seal circle according to claim 1, it is characterised in that the section of the seal convexity for rounding etc.
Waist is trapezoidal, and seal groove is formed between the seal convexity, and the section of the sealing trench bottom is circular arc.
3. butterfly valve seal circle according to claim 1, it is characterised in that the seal convexity array is arranged at the work
Face, the sealing is symmetrical relative to the central plane where the butterfly valve seal circle.
4. butterfly valve seal circle according to claim 1, it is characterised in that first Access Division is away from second clamping
The side in portion is provided with the first lateral surface, and the step-like projection is arranged at first lateral surface, second Access Division away from
The side of first Access Division is provided with the second lateral surface, and the step-like projection is arranged at second lateral surface.
5. butterfly valve seal circle according to claim 4, it is characterised in that the section of the working face is camber line, described the
One lateral surface is connected with the side of the working face；Second lateral surface is connected with the opposite side of the working face, the butterfly
The section of valve seals is V-type.
6. butterfly valve seal circle according to claim 4, it is characterised in that described step-like raised to include that first is raised and the
Two is raised, and first projection is arranged at first lateral surface along the direction of extension array of first Access Division, and described the
Two projections are arranged at second lateral surface along the direction of extension array of second Access Division.
7. butterfly valve seal circle according to claim 1, it is characterised in that first Access Division and second Access Division
Relative to the central plane where the butterfly valve seal circle in mirror image set, first Access Division, second Access Division with
And the lateral surface of the sealing is collectively forming mounting groove.
8. a kind of butterfly valve, it is characterised in that the butterfly valve includes valve body and butterfly plate, the valve body is provided with claim 1 to 7 times
Butterfly valve seal circle described in one.
9. butterfly valve according to claim 8, it is characterised in that the valve body has through hole, and the inner side of the through hole is along week
To being provided with the first installation portion and the second installation portion, the part of first installation portion, second installation portion and the through hole
Medial surface is collectively forming fitting recess, and first Access Division is arranged in the fitting recess with second Access Division, and described
One installation portion has the first mating surface coordinated with first Access Division, and second installation portion has and second clamping
The second mating surface that portion coordinates.
10. butterfly valve according to claim 8, it is characterised in that the butterfly plate is circle, is set on the edge of the butterfly plate
There is sealing surface, the sealing surface coordinates with the seal convexity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405800.2U CN206309966U (en) | 2016-12-21 | 2016-12-21 | A kind of butterfly valve seal circle and butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405800.2U CN206309966U (en) | 2016-12-21 | 2016-12-21 | A kind of butterfly valve seal circle and butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309966U true CN206309966U (en) | 2017-07-07 |
Family
ID=59252882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621405800.2U Expired - Fee Related CN206309966U (en) | 2016-12-21 | 2016-12-21 | A kind of butterfly valve seal circle and butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684884A (en) * | 2021-10-08 | 2021-11-23 | 英轩重工有限公司 | Dustproof part for hinged part |
-
2016
- 2016-12-21 CN CN201621405800.2U patent/CN206309966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684884A (en) * | 2021-10-08 | 2021-11-23 | 英轩重工有限公司 | Dustproof part for hinged part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20191221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |