CN202646719U - Stop valve for refrigeration - Google Patents
Stop valve for refrigeration Download PDFInfo
- Publication number
- CN202646719U CN202646719U CN 201220241448 CN201220241448U CN202646719U CN 202646719 U CN202646719 U CN 202646719U CN 201220241448 CN201220241448 CN 201220241448 CN 201220241448 U CN201220241448 U CN 201220241448U CN 202646719 U CN202646719 U CN 202646719U
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- China
- Prior art keywords
- seal ring
- groove
- projection
- valve
- valve rod
- 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
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Abstract
The utility model discloses a stop valve for refrigeration. The stop valve comprises a valve rod or valve core arranged in a valve body, wherein a sealing ring is respectively sleeved on the valve rod or valve plug, the valve body is provided with a first pipe port and a second pipe port, the axial line of the valve rod or the axial line of the valve core is crossed with the axial line of the second pipe port in an included manner, and the axial line of the first pipe port and the axial line of the second pipe port are homonymously arranged. The included angle is 30-70 DEG. The sealing ring sleeved on the valve rod comprises a first sealing ring and a second sealing ring which are overlapped. A groove is arranged on the first sealing ring, a bulge is arranged on the second sealing ring, the bulge is inserted in the groove; or a bulge is arranged on the first sealing ring, a groove is arranged on the second sealing ring, and the bulge is inserted in the groove. The sections of the groove and the bulge are respectively trapezoidal; or the sections of the groove and the bulge are respectively tapered. A valve sleeve is sleeved on the valve rod. The stop valve has the characteristics of simple and reasonable structure, good stop effect and better sealing property.
Description
Technical field
The utility model relates to a kind of stop valve, particularly a kind of cooling stop valve.
Background technique
Chinese patent literature CN 2658494Y discloses a kind of stop valve for air conditioner on November 24th, 2004, comprise adapter, valve body, valve rod, the fluorinfused nozzle nut, upper cap nut, Female connector fittings, the non-return valve inside, right-hand member at valve rod has outside thread, it is conical that the right-hand member head is, the left end head of valve rod has an interior anistree hole, left end has a groove, seal ring is arranged in the groove, valve rod installation cavity chamber internal surface and valve rod fitted seal, at the valve rod installation cavity one threaded annular projection is arranged, seal ring and valve rod installation cavity chamber internal surface fitted seal in the valve rod upper groove, screw-thread fit transmission on outside thread and the annular projection on the valve rod, the right-hand member head of valve rod is frustoconic shape; There is a tool withdrawal groove end with valve rod is installed the relative refrigerant passage of chamber, and the valve rod right-hand member stretches in the tool withdrawal groove, and valve rod right-hand member head conical surface contacts fitted seal with the step that is positioned at valve body.The sealability of the stop valve of this structure is not ideal enough.
The model utility content
The purpose of this utility model aims to provide a kind of simple and reasonable, cooling stop valve effective, good seal performance that dams, to overcome deficiency of the prior art.
A kind of cooling stop valve by this purpose design, comprise the valve rod or the spool that are arranged in the valve body, seal ring is set in respectively on valve rod or the spool, be provided with first on the valve body and take over mouth and the second adapter mouth, its structure characteristic is that axis that the axis and second of the axis of valve rod or spool is taken over mouthful is angle and intersects, and the first axis of taking over mouthful arranges in the same way with the second axis of taking over mouth.
Described angle is 30～70 °.
The described seal ring that is set on the valve rod comprises the first seal ring and the second seal ring that stacks together.
Be provided with groove on described the first seal ring, be provided with projection on the second seal ring, this projection is inserted in the groove;
Perhaps, be provided with projection on the first seal ring, be provided with groove on the second seal ring, projection is inserted in the groove.
It is trapezoidal that the cross section of described groove and projection is respectively; Perhaps, the cross section of groove and projection is tapered respectively.
Also be arranged with valve pocket on the described valve rod, be provided with the step for assembling the first seal ring and the second seal ring in the valve body, valve pocket is crimped on the first seal ring and the second seal ring.
Be provided with step or groove for the fitting tight circle in the described valve body.
Described seal ring comprises the first seal ring and the second seal ring that stacks together,
Wherein, be provided with groove on the first seal ring, be provided with projection on the second seal ring, this projection is inserted in the groove;
Perhaps, be provided with projection on the first seal ring, be provided with groove on the second seal ring, projection is inserted in the groove.
It is trapezoidal that the cross section of described groove and projection is respectively; Perhaps, the cross section of groove and projection is tapered respectively.
Described seal ring comprises between the upper and lower every the first seal ring and the second seal ring that arrange.
The axis of the valve rod in the utility model or the axis of spool and the second axis of taking over mouth are angle and intersect, angle is 30～70 °, seal ring comprises the first seal ring and the second seal ring, not only can play preferably seal action: when the first seal ring that stacks together and the second seal ring pressurized, the integral body of the first seal ring and the second seal ring comprises groove and projection, the capital is out of shape slightly outwardly, the first seal ring and the second seal ring both can have been improved respectively and the compactness between the valve interior wall, the first seal ring and the second seal ring can also be improved respectively and the compactness between the valve rod, and the effect of damming can also be improved.
The utility model both can be used for air conditioner, also can be used for heat pump water-heating machine, had simple and reasonable, the characteristics effective, good seal performance of damming.
Description of drawings
Fig. 1 is the utility model the first embodiment's broken section structural representation.
Fig. 2 is the utility model the second embodiment's broken section structural representation.
Fig. 3 is the elevational schematic view of Fig. 2.
Fig. 4 is that schematic representation is looked on the left side of Fig. 3.
Among the figure: 1 is valve gap, and 2 is valve pocket, and 3 is the first seal ring, and 4 is the second seal ring, and 5 is valve rod, and 6 is valve body, and 7 is the first adapter mouth, and 8 is the second adapter mouth, and 9 is spool.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
The first embodiment
Referring to Fig. 1, this cooling stop valve, comprise the valve rod 5 that is arranged in the valve body 6, seal ring is set on the valve rod 5, be provided with first on the valve body 6 and take over mouthful 7 and second an adapter mouth 8, the axis of valve rod 5 and the second axis of taking over mouth 8 are angle and intersect, and the first axis and the second axis of taking over mouth 8 of taking over mouth 7 arranges in the same way.Angle is 30～70 °.The seal ring that is set on the valve rod 5 comprises the first seal ring 3 and the second seal ring 4 that stacks together.
Be provided with groove on the first seal ring 3, be provided with projection on the second seal ring 4, this projection is inserted in the groove; Perhaps, be provided with projection on the first seal ring 3, be provided with groove on the second seal ring 4, projection is inserted in the groove.
It is trapezoidal that the cross section of groove and projection is respectively; Perhaps, the cross section of groove and projection is tapered respectively.
Also be arranged with valve pocket 2 on the valve rod 5, be provided with the step for assembling the first seal ring 3 and the second seal ring 4 in the valve body 6, valve pocket 2 is crimped on the first seal ring 3 and the second seal ring 4.
The second embodiment
Referring to Fig. 2, in the present embodiment, cooling stop valve, comprise the spool 9 that is arranged in the valve body 6, seal ring is set on the spool 9, be provided with the first adapter mouthful the 7 and second adapter mouth 8 on the valve body 6, the axis of spool 9 and the second axis of taking over mouth 8 are angle and intersect, and the axis of the first adapter mouth 7 and the second axis of taking over mouth 8 arrange in the same way.Be provided with step or groove for the fitting tight circle in the valve body 6.
In the present embodiment, seal ring both can comprise the first seal ring 3 and the second seal ring 4 that stacks together, and also can comprise between the upper and lower every the first seal ring 3 and the second seal ring 4 that arrange.
For the first seal ring 3 that stacks together and the second seal ring 4, wherein, be provided with groove on the first seal ring 3, be provided with projection on the second seal ring 4, this projection is inserted in the groove; Perhaps, be provided with projection on the first seal ring 3, be provided with groove on the second seal ring 4, projection is inserted in the groove.It is trapezoidal that the cross section of groove and projection is respectively; Perhaps, the cross section of groove and projection is tapered respectively.
All the other are not stated part and see the first embodiment, repeat no more.
Claims (10)
1. cooling stop valve, comprise the valve rod (5) or the spool (9) that are arranged in the valve body (6), seal ring is set in respectively on valve rod (5) or the spool (9), be provided with first on the valve body (6) and take over mouthful (7) and the second adapter mouthful (8), it is characterized in that the axis of the axis of valve rod (5) or spool (9) and the second axis of taking over mouthful (8) are angle and intersect, the first axis of taking over mouthful (7) arranges in the same way with the second axis of taking over mouth (8).
2. cooling stop valve according to claim 1 is characterized in that described angle is 30～70 °.
3. cooling stop valve according to claim 1 and 2 is characterized in that the described seal ring that is set on the valve rod (5) comprises the first seal ring (3) and the second seal ring (4) that stacks together.
4. cooling stop valve according to claim 3 is characterized in that being provided with groove on described the first seal ring (3), and the second seal ring is provided with projection on (4), and this projection is inserted in the groove;
Perhaps, the first seal ring is provided with projection on (3), and the second seal ring is provided with groove on (4), and projection is inserted in the groove.
5. cooling stop valve according to claim 4 is characterized in that the cross section of described groove and projection is respectively trapezoidal; Perhaps, the cross section of groove and projection is tapered respectively.
6. cooling stop valve according to claim 5, it is characterized in that also being arranged with on the described valve rod (5) valve pocket (2), be provided with the step for assembling the first seal ring (3) and the second seal ring (4) in the valve body (6), valve pocket (2) is crimped on the first seal ring (3) and the second seal ring (4).
7. cooling stop valve according to claim 1 and 2 is characterized in that being provided with in the described valve body (6) step or groove for the fitting tight circle.
8. cooling stop valve according to claim 7 is characterized in that described seal ring comprises the first seal ring (3) and the second seal ring (4) that stacks together,
Wherein, the first seal ring is provided with groove on (3), and the second seal ring is provided with projection on (4), and this projection is inserted in the groove;
Perhaps, the first seal ring is provided with projection on (3), and the second seal ring is provided with groove on (4), and projection is inserted in the groove.
9. cooling stop valve according to claim 8 is characterized in that the cross section of described groove and projection is respectively trapezoidal; Perhaps, the cross section of groove and projection is tapered respectively.
10. cooling stop valve according to claim 7 is characterized in that described seal ring comprises between the upper and lower every the first seal ring (3) and the second seal ring (4) that arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241448 CN202646719U (en) | 2012-05-25 | 2012-05-25 | Stop valve for refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241448 CN202646719U (en) | 2012-05-25 | 2012-05-25 | Stop valve for refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646719U true CN202646719U (en) | 2013-01-02 |
Family
ID=47415828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220241448 Expired - Fee Related CN202646719U (en) | 2012-05-25 | 2012-05-25 | Stop valve for refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832657A (en) * | 2015-04-14 | 2015-08-12 | 冈山精工(中山)有限公司 | Improved-sealing-ring-setting-based stop valve for air conditioner |
| CN105465386B (en) * | 2014-09-05 | 2018-11-09 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110094518A (en) * | 2018-01-29 | 2019-08-06 | 浙江三花智能控制股份有限公司 | Shut-off valve |
| WO2022127400A1 (en) * | 2020-12-15 | 2022-06-23 | 浙江盾安人工环境股份有限公司 | Stop valve, and air conditioning system having same |
-
2012
- 2012-05-25 CN CN 201220241448 patent/CN202646719U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465386B (en) * | 2014-09-05 | 2018-11-09 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN104832657A (en) * | 2015-04-14 | 2015-08-12 | 冈山精工(中山)有限公司 | Improved-sealing-ring-setting-based stop valve for air conditioner |
| CN110094518A (en) * | 2018-01-29 | 2019-08-06 | 浙江三花智能控制股份有限公司 | Shut-off valve |
| WO2022127400A1 (en) * | 2020-12-15 | 2022-06-23 | 浙江盾安人工环境股份有限公司 | Stop valve, and air conditioning system having same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180525 |