CN205036882U - Two way seal piece and be equipped with ball valve of this two way seal piece - Google Patents
Two way seal piece and be equipped with ball valve of this two way seal piece Download PDFInfo
- Publication number
- CN205036882U CN205036882U CN201520691133.8U CN201520691133U CN205036882U CN 205036882 U CN205036882 U CN 205036882U CN 201520691133 U CN201520691133 U CN 201520691133U CN 205036882 U CN205036882 U CN 205036882U
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- ring
- seal
- way seal
- way
- valve body
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Abstract
The utility model provides a two way seal piece and be equipped with ball valve of this two way seal piece. A two way seal piece, includes a backpressure ring that has outer anchor ring and an interior anchor ring, and the sealing ring of laminating respectively and set up in backpressure ring both sides, its characterized in that, at least one is the cambered surface in outer anchor ring and the interior anchor ring. Be the cambered surface through at least one face design in outer anchor ring with the backpressure ring and the interior anchor ring, the two way seal piece the in -process that assembles the ball valve with assemble the ball valve after the working process in, its friction with valve body and/or disk seat reduces, avoids because of acute angle scratch valve body and/or disk seat, has prolonged the life of ball valve.
Description
Technical field
The utility model relates to a kind of two-way seal and the ball valve of this two-way seal is housed.
Background technique
Ball-valve structure is compact, and switch is convenient, is widely used in the regulating and control of flowing medium.In some cases, such as raise the adverse current needing to prevent downstream fluid medium from producing because pressure raises in downstream temperature, ball valve needs the effect playing two way sealed.General ball valve adopts piston seal to realize this function.This just causes piston seal in the process of installing and use, and slides, cause Sealing and valve body, the friction between valve seat in the chamber that can form at valve body and valve seat.Particularly when flowing medium has corrosive, Sealing adopts the corrosion resistant materials such as such as stainless steel as the supporting part of Sealing usually, and the materials such as the stainless steel of high hardness accelerate the wearing and tearing to valve body and valve seat in sliding process, and then affect Sealing to ball valve sealing effect, need to change frequently ball valve.
Summary of the invention
The utility model, so the technical problem solved is for two way sealed valve in prior art in installation and using process, to the valve body of ball valve and the defect of valve seat generation heavy wear, provides a kind of two-way seal and the ball valve of this two-way seal is housed.
The utility model solves the technological scheme that its technical problem adopts: a kind of two-way seal, comprise the back pressure ring that has outer ring surface and inner ring surface, and the seal ring arranged of fitting respectively in described back pressure ring both sides, it is characterized in that, in described outer ring surface and inner ring surface, at least one is cambered surface.
Further, the R angle of described cambered surface is 18-25mm.
Preferably, the R angle of described cambered surface is 22-23mm.
Further, at least one in described seal ring is the U-shaped seal ring with opening and inner chamber; Described opening towards parallel with the axial direction of described seal ring, and back pressure ring dorsad; Support ring is provided with, described cavity shape and support ring mating shapes in described inner chamber.
Preferably, described support ring comprises body and the afterbody of one, and this body forms described afterbody outward by extending out to inner chamber in inner chamber.The elasticity of described afterbody is higher than described body.
Preferably, be provided with groove between U-shaped seal ring and support ring, described groove is embedded in flexible ring.
Described elastic ring is spring shackle.
Preferably, described support ring is T-shaped ring, and the body of described T-shaped ring comprises the head that the axial direction perpendicular to described seal ring is arranged, and the main body arranged along the direction parallel with the axial direction of described seal ring.
The utility model also provides a kind of ball valve, comprise valve body, spheroid and valve seat, spheroid is installed in valve body, valve seat is provided with between described spheroid and valve body, described valve seat comprises interior edge face and exterior edge face, forms a chamber, be provided with described two-way seal in described chamber between described outer end end face and valve body.
Positive progressive effect of the present utility model is: by least one face in the outer ring surface of back pressure ring and inner ring surface is designed to cambered surface, reduce two-way seal install and in using process with the friction of valve body and/or valve seat, and then decrease the loss to valve body and/or valve seat of two-way seal in friction process, extend the working life of ball valve.
Accompanying drawing explanation
Fig. 1 is two-way seal of the present utility model sectional drawing in one embodiment;
Fig. 2 is two-way seal of the present utility model sectional drawing in another example;
Fig. 3 is ball valve of the present utility model part sectioned view in one embodiment.
Embodiment
Below in conjunction with accompanying drawing, structure of the present utility model is described further.
In one embodiment, as shown in Figure 1, a kind of two-way seal 1, comprise the back pressure ring 3 that has outer ring surface 31 and inner ring surface 32, and the seal ring 4 arranged of fitting respectively in described back pressure ring 3 both sides, the outer ring surface 31 of described back pressure ring is cambered surface, and inner ring surface 32 is plane.Back pressure ring is when being installed to ball valve or working in ball valve, and outer ring surface 31 and valve body contact, outer ring surface 31 can reduce friction to valve body when two-way seal is slided for cambered surface.
Preferably, the cambered surface R angle of described outer ring surface 31 is 18-25mm.
Preferably, the cambered surface R angle of described outer ring surface 31 is 22-23mm.When in this arc range, two-way seal is slided and the friction of valve body and valve seat less.
In one embodiment, as shown in Figure 2, a kind of two-way seal 2, comprises the back pressure ring 5 that has outer ring surface 51 and inner ring surface 52, and the seal ring arranged of fitting respectively in described back pressure ring 5 both sides, outer ring surface 51 and the inner ring surface 52 of described back pressure ring are cambered surface.Back pressure ring 5 is when being installed to ball valve or working in ball valve, and outer ring surface 51 and valve body contact, inner ring surface 52 contacts with valve seat, and outer ring surface 51 and inner ring surface 52 are cambered surface can reduce friction to valve body and valve seat when two-way seal is slided simultaneously.
Preferably, the cambered surface R angle of described outer ring surface 51 and/or inner ring surface 52 is 18-25mm.The cambered surface R angle of outer ring surface 51 can be identical or different from the cambered surface R angle of inner ring surface.
Preferably, the cambered surface R angle of described outer ring surface 51 and/or inner ring surface 52 is 22-23mm.The cambered surface R angle of outer ring surface 51 can be identical or different from the cambered surface R angle of inner ring surface.
Preferably, described seal ring is the U-shaped seal ring 6 with opening and inner chamber; Described opening towards parallel with the axial direction of described seal ring, and back pressure ring dorsad; Support ring is provided with, described cavity shape and support ring mating shapes in described inner chamber.
The shape of support ring can for meeting the arbitrary shape providing the enough supporting effects of U-shaped seal ring 6.
Preferably, described support ring is T-shaped ring 7, described T-shaped ring 7 comprises body and the afterbody 71 of one, and wherein this body comprises the axial direction head 73 arranged and the main body 72 arranged along the direction parallel with the axial direction of described seal ring perpendicular to described seal ring.This body extends to outside inner chamber by inner chamber, and forms afterbody 71 outward at inner chamber.
Preferably, the elasticity of described afterbody 71 is higher than the body of described T-shaped ring 7.Afterbody 71 elasticity can absorb more greatly two-way seal collision to valve body or valve seat wall in the process of installing and use.
Preferably, groove is provided with between U-shaped seal ring 6 and T-shaped ring 7.The quantity of described groove is at least one, is preferably two, is arranged in the both sides up and down of the body of T-shaped ring 7 as shown in Figure 2.Described groove is embedded in flexible ring 8.Described elastic ring 8 is spring shackle.Elastic ring 8 can be used for fixing T-shaped ring 7.
In one embodiment, as shown in Figure 3, a kind of ball valve, comprise valve body 9, spheroid and valve seat 10, spheroid is installed in valve body 9, valve seat 10 is provided with between described spheroid and valve body 9, described valve seat 10 comprises interior edge face and exterior edge face 11, forms a chamber 12 between described outer end end face 11 and valve body 9, arranges described two-way seal 2 in described chamber 12.
Above content has made specific descriptions to a kind of two-way seal described in the utility model and ball valve that this two-way seal is housed; but the utility model is not by the limitation of embodiment content described above; so all any improvement carried out according to technological points of the present utility model; equivalent modifications and replacement etc., all belong to protection domain of the present utility model.
Claims (10)
1. a two-way seal, comprises the back pressure ring that has outer ring surface and inner ring surface, and the seal ring arranged of fitting respectively in described back pressure ring both sides, and it is characterized in that, in described outer ring surface and inner ring surface, at least one is cambered surface.
2. two-way seal as described in claim 1, it is characterized in that, the R angle of described cambered surface is 18-25mm.
3. the two-way seal as described in claim 2 kind, it is characterized in that, the R angle of described cambered surface is 22-23mm.
4. two-way seal as described in claim 1, is characterized in that,
At least one in described seal ring is the U-shaped seal ring with opening and inner chamber;
Described opening towards parallel with the axial direction of described seal ring, and back pressure ring dorsad;
Support ring is provided with, described cavity shape and described support ring mating shapes in described inner chamber.
5. two-way seal as described in claim 4, is characterized in that, described support ring comprises body and the afterbody of one, and this body forms described afterbody outward by extending out to inner chamber in inner chamber.
6. as described in claim 5 two-way seal, is characterized in that, the elasticity of described afterbody is higher than the body of described support ring.
7. two-way seal as described in claim 4, it is characterized in that, be provided with groove between described U-shaped seal ring and support ring, described groove is embedded in flexible ring.
8. two-way seal as described in claim 7, it is characterized in that, described elastic ring is spring shackle.
9. two-way seal as described in claim 5, it is characterized in that, described support ring is T-shaped ring, and described body comprises the head that the axial direction perpendicular to described seal ring is arranged, and the main body arranged along the direction parallel with the axial direction of described seal ring.
10. a ball valve, comprise valve body, spheroid and valve seat, described spheroid is installed in described valve body, described valve seat is located between described spheroid and described valve body, and described valve seat comprises interior edge face and exterior edge face, forms chamber between described outer end end face and described valve body, it is characterized in that, in described chamber, be provided with the two-way seal as described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691133.8U CN205036882U (en) | 2015-09-01 | 2015-09-01 | Two way seal piece and be equipped with ball valve of this two way seal piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691133.8U CN205036882U (en) | 2015-09-01 | 2015-09-01 | Two way seal piece and be equipped with ball valve of this two way seal piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036882U true CN205036882U (en) | 2016-02-17 |
Family
ID=55295786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520691133.8U Expired - Fee Related CN205036882U (en) | 2015-09-01 | 2015-09-01 | Two way seal piece and be equipped with ball valve of this two way seal piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730554A (en) * | 2017-04-21 | 2018-11-02 | 凯氟隆（厦门）密封件有限公司 | A kind of high pressure double-piston combined type room temperature ball seat sealing ring |
| CN112534165A (en) * | 2018-08-03 | 2021-03-19 | 美国圣戈班性能塑料公司 | Ball valve seal |
-
2015
- 2015-09-01 CN CN201520691133.8U patent/CN205036882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730554A (en) * | 2017-04-21 | 2018-11-02 | 凯氟隆（厦门）密封件有限公司 | A kind of high pressure double-piston combined type room temperature ball seat sealing ring |
| CN112534165A (en) * | 2018-08-03 | 2021-03-19 | 美国圣戈班性能塑料公司 | Ball valve seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20180901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |