CN208670073U - A kind of high-leak tightness valve - Google Patents
A kind of high-leak tightness valve Download PDFInfo
- Publication number
- CN208670073U CN208670073U CN201821529336.7U CN201821529336U CN208670073U CN 208670073 U CN208670073 U CN 208670073U CN 201821529336 U CN201821529336 U CN 201821529336U CN 208670073 U CN208670073 U CN 208670073U
- Authority
- CN
- China
- Prior art keywords
- pad
- gasket
- seal ring
- exterior seal
- valve
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of high-leak tightness valves, it is simple to be intended to provide a kind of structure, the good and practical valve of sealing effect, its key points of the technical solution are that spool includes the body of rod and the gasket that connect with the body of rod, the body of rod is connected with gasket by being equipped with nut, the gasket includes the first pad, second pad, the exterior seal ring being arranged along the second pad side and the spring being set between the first pad and the second pad, second pad is equipped with the placement annular groove for placing spring, second gasket concave inward structure, flow channels are equipped in the valve body, flow channels are equipped with the retaining ring contradicted with the second gasket, intrusion slot is formed between retaining ring and valve body, exterior seal ring is placed in intrusion slot, the slot bottom of the intrusion slot is equipped with annular lug, exterior seal ring is equipped with and convex block phase with the resistance surface that intrusion slot slot bottom contradicts The inner groove of adaptation, the utility model are suitable for valve technology field.
Description
Technical field
The utility model relates to a kind of valve technology fields, more specifically, it relates to a kind of high-leak tightness valve.
Background technique
Currently, valve in the market, it includes valve body and is placed in the intracorporal spool of valve.Traditional valve, with handle
Rotation so that spool and valve body are sealed cooperation, but traditional structure, sealing effect between spool and valve body compared with
Difference be easy to cause leak, thus how to improve the sealing effect between spool and valve body be presently, there are the problem of.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of structure is simple, sealing effect
Good and practical valve.
To achieve the above object, the utility model provides following technical solution: a kind of high-leak tightness valve, including valve body
And it is placed in the intracorporal spool of valve, the spool includes the body of rod and the gasket that connect with the body of rod, and the body of rod and gasket pass through
Equipped with nut connect, the gasket include the first pad, the second pad, along the second pad side setting exterior seal ring and
The spring being set between the first pad and the second pad, the second pad are equipped with placement annular groove for placing spring, and second
Gasket concave inward structure, is equipped with flow channels in the valve body, and flow channels are equipped with the retaining ring contradicted with the second gasket, retaining ring with
Intrusion slot is formed between valve body, exterior seal ring is placed in intrusion slot, and the slot bottom of the intrusion slot is equipped with annular lug, outer close
Seal is equipped with inner groove compatible with convex block with the resistance surface that intrusion slot slot bottom contradicts.
By using above-mentioned technical proposal, spool includes the body of rod and the gasket that connect with the body of rod, the body of rod and gasket
It is connected by being equipped with nut, in order to improve the sealing effect between spool and valve body, by the way that gasket to be set as including first
Pad, the second pad, along the second pad side setting exterior seal ring and be set between the first pad and the second pad
Spring, by the first gasket, the second gasket and cooperation spring, so that spring provides reversed work in the second pad stress
Firmly and the second gasket concave inward structure, then the effect that is bonded between retaining ring is improved, improves leakproofness, and by setting
The exterior seal ring set, is formed with intrusion slot between retaining ring and valve body, exterior seal ring is placed in intrusion slot, then forms to retaining ring
Covered effect, and then ensure good sealing effect, the second pad is equipped with the placement annular groove for placing spring, passes through
The placement annular groove of setting then improves the good stability of spring, and annular lug, external seal are equipped on the slot bottom of intrusion slot
It encloses and is equipped with inner groove compatible with convex block with the resistance surface that intrusion slot slot bottom contradicts, pass through matching between inner groove and convex block
It closes, then improves the sealing effect of exterior seal ring and intrusion slot, and exterior seal ring is flexible material, then makes exterior seal ring pair
Convex block forms covered effect, and then ensures good sealing effect.
The utility model is further arranged to: the side side that the exterior seal ring and retaining ring contradict is equipped with several absorption
The section in hole, each adsorption hole is in a circular table shape, and the hole inner wall of adsorption hole is in arc-shaped, and each adsorption hole circular array is arranged in outer
In the resistance surface of sealing ring and retaining ring.
By using above-mentioned technical proposal, the side side that exterior seal ring and retaining ring contradict is equipped with several adsorption holes, is
Good sealing effect between raising exterior seal ring and retaining ring, by the adsorption hole of setting, and by the section of each adsorption hole
In a circular table shape, the hole inner wall of adsorption hole is in arc-shaped, then to be formed with good covered effect between adsorption hole and retaining ring,
Good leakproofness is then improved, each adsorption hole circular array is further arranged in the resistance surface of exterior seal ring and retaining ring
On, so that uniform force between exterior seal ring and retaining ring, practical.
The utility model is further arranged to: the hole depth of each adsorption hole is between 0.3mm-0.5mm.
By using above-mentioned technical proposal, the hole depth of each adsorption hole is set using the above structure between 0.3mm-0.5mm
It sets, by controlling the hole depth of adsorption hole, so that forming good adsorption effect between adsorption hole and retaining ring, and then ensures good
Sealing effect.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of high-leak tightness valve embodiment of the utility model.
Fig. 2 is structure enlargement diagram at A in a kind of high-leak tightness valve implementation example figure 1 of the utility model.
Specific embodiment
A kind of high-leak tightness valve embodiment of the utility model is described further referring to figs. 1 to Fig. 2.
A kind of high-leak tightness valve, including valve body 1 and the spool being placed in valve body 12, spool 2 include the body of rod 20 and
The gasket 21 connecting with the body of rod 20, the body of rod 20 and gasket 21 are connected by being equipped with nut, in order to improve spool 2 and valve body 1
Between sealing effect, by by gasket 21, to be set as include the first pad 210, the second pad 211, along the second pad 211
The exterior seal ring 212 of side setting and the spring 213 being set between the first pad 210 and the second pad 211, pass through first
Gasket 210, the second gasket 211 and cooperation spring 213, so that spring 213 provides reversed in the second 211 stress of pad
211 concave inward structure of active force and the second gasket then improves the effect that is bonded between retaining ring 10, improves leakproofness, and
By the exterior seal ring 212 of setting, it is formed with intrusion slot 11 between retaining ring 10 and valve body 1, exterior seal ring 212 is placed in intrusion slot
In 11, then the covered effect to retaining ring 10 is formd, and then ensure good sealing effect, the second pad 211, which is equipped with, to be used
The good stability of spring is then improved by the placement annular groove 214 of setting in the placement annular groove 214 for placing spring 213, and
Annular lug 110 is equipped on the slot bottom of intrusion slot 11, the resistance surface that exterior seal ring 212 is contradicted with 110 slot bottom of intrusion slot is equipped with
Inner groove 215 compatible with convex block 110 then improves exterior seal ring by the cooperation between inner groove 215 and convex block 110
212 with the sealing effect of intrusion slot 110, and exterior seal ring 212 is flexible material, then makes exterior seal ring 212 to convex block 110
Covered effect is formed, and then ensures good sealing effect.
The utility model is further arranged to, and the side side that exterior seal ring 212 and retaining ring 10 contradict is equipped with several suctions
Attached hole 3, in order to improve good sealing effect between exterior seal ring 212 and retaining ring 10, by the adsorption hole 3 of setting, and will
The section of each adsorption hole 3 is in a circular table shape, and the hole inner wall of adsorption hole 3 is in arc-shaped, then makes shape between adsorption hole 3 and retaining ring 10
At there is good covered effect, then good leakproofness is improved, is further arranged in each 3 circular array of adsorption hole outer
In the resistance surface of sealing ring 212 and retaining ring 10, so that uniform force between exterior seal ring 212 and retaining ring 10, practical.
The utility model is further arranged to, and the hole depth of each adsorption hole 3 is between 0.3mm-0.5mm, using the above structure
Setting so that forming good adsorption effect between adsorption hole 3 and retaining ring 10, and then is ensured by controlling the hole depth of adsorption hole 3
Good sealing effect.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field
Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model
It protects in range.
Claims (3)
1. a kind of high-leak tightness valve, including valve body and it is placed in the intracorporal spool of valve, it is characterized in that: the spool includes the body of rod
And the gasket connecting with the body of rod, the body of rod and gasket connects by being equipped with nut, the gasket includes the first pad, the
Two pads, the exterior seal ring along the setting of the second pad side and the spring that is set between the first pad and the second pad, the
Two pads are equipped with the placement annular groove for placing spring, and the second gasket concave inward structure, the valve body is interior to be equipped with flow channels, mistake
Circulation road is equipped with the retaining ring contradicted with the second gasket, intrusion slot is formed between retaining ring and valve body, exterior seal ring is placed in embedded
In slot, the slot bottom of the intrusion slot is equipped with annular lug, the resistance surface that exterior seal ring and intrusion slot slot bottom contradict equipped with it is convex
The compatible inner groove of block.
2. a kind of high-leak tightness valve according to claim 1, it is characterized in that: the exterior seal ring and the one of retaining ring conflict
Side side is equipped with several adsorption holes, and the section of each adsorption hole is in a circular table shape, and the hole inner wall of adsorption hole is in arc-shaped, each to adsorb
Hole circular array is arranged in the resistance surface of exterior seal ring and retaining ring.
3. a kind of high-leak tightness valve according to claim 1, it is characterized in that: the hole depth of each adsorption hole is in 0.3mm-
Between 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529336.7U CN208670073U (en) | 2018-09-18 | 2018-09-18 | A kind of high-leak tightness valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529336.7U CN208670073U (en) | 2018-09-18 | 2018-09-18 | A kind of high-leak tightness valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670073U true CN208670073U (en) | 2019-03-29 |
Family
ID=65842404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821529336.7U Expired - Fee Related CN208670073U (en) | 2018-09-18 | 2018-09-18 | A kind of high-leak tightness valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208670073U (en) |
-
2018
- 2018-09-18 CN CN201821529336.7U patent/CN208670073U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20190918 |