CN201818893U - Stop valve for pipeline connection - Google Patents
Stop valve for pipeline connection Download PDFInfo
- Publication number
- CN201818893U CN201818893U CN2010202668823U CN201020266882U CN201818893U CN 201818893 U CN201818893 U CN 201818893U CN 2010202668823 U CN2010202668823 U CN 2010202668823U CN 201020266882 U CN201020266882 U CN 201020266882U CN 201818893 U CN201818893 U CN 201818893U
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- China
- Prior art keywords
- valve body
- bonnet
- sealing surface
- valve
- sealed department
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- 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 - Lifetime
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Abstract
The utility model relates to a stop valve for pipeline connection, which is used for guiding a cooling medium guided in by an outdoor system of an air conditioner into an indoor system of the air conditioner. The stop valve for pipeline connection comprises a valve body and a valve bonnet. A sealing surface of an upper port of a valve body in the prior art is conical, and a sealing part of a valve bonnet of the valve body in the prior art is right-angled. In the utility model, a sealing surface of the valve body is designed as a plane, the outer side of the sealing surface is provided with a bulge part, a sealing part of the valve bonnet is designed into an acuter-angled shape, so that the sealing part of the valve bonnet and the sealing plane of the valve body can seal in a matching way, thus the utility model solves the problem that the sealing surface of the valve body can be damaged easily and prevents the upper port of the valve body from radial deformation as a result of horizontal action of the tightening torque of the valve bonnet, the passing rate of the product is increased, the sealing performance is improved, and the service life of the product is prolonged.
Description
Technical field
The utility model is to be used to open and close the pipeline that connects air-conditioning or refrigerator room external system and indoor heating system refrigerant and to be connected and to use stop valve about a kind of.
Background technique
This pipeline connects uses stop valve, for example can be installed in the outdoor system of split type air conditioner, has the function that outdoor system and indoor heating system connecting pipeline are combined, and is provided with switching mechanism.Be that example elaborates structure and the working principle that pipeline connects with stop valve below particularly with the Twoway valves:
Twoway valves has the 1st channel part and the 2nd channel part, and with as outdoor pipeline side canal and interior conduit side canal, the inside of valve body is provided with the valve rod that valve head and operating end axial region are formed, and valve inner also is provided with valve seat.Utilize the operating end axial region to move and actuate valve stem in the inside of valve body, and by its driving being opened and closed the 1st passage and the 2nd passage.The switching of passage is to be meshed with the screw section of valve rod by the screw section that valve inner forms to carry out.
Particularly, before air conditioner is installed, in the valve seat that forms between the 1st passage that the valve head of valve rod is provided with on valve body and the 2nd passage, and the 1st passage of close chamber's external system side; After air conditioner was installed, valve rod moved to the stop position of stop ring along valve body, and the 1st passage of outdoor system side leads to the 2nd passage of indoor heating system side through valve seat, thereby is communicated with the 1st passage and the 2nd passage.Further, between valve body and valve rod, sealed member is set, is used for preventing the coolant leakage between valve body and the valve rod; Bonnet is installed in the upper end portion of valve body by thread engagement, plays seal action once more, further prevents coolant leakage.
The pipeline of said structure connects uses stop valve, the valve body as shown in Figure 1 and the sealing configuration of bonnet, the sealing surface of oral area is the conical surface on valve body, does not have other protection design on the conical surface, in the production flow process, damage easily, influence the sealability and the production up-to-standard rate of product; Sealed department in the bonnet is rectangular-shaped, sealing cone fitted seal with valve body, this sealing configuration requires to need bigger moment of torsion and bonnet could be tightened, after bonnet tightens, valve body will be subjected to the horizontal effect of torque force, make the upper end oral area of valve body produce radial deformation easily, thereby influence durability of products energy and working life.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is that the sealing surface that prevents valve body upper end oral area is easy to generate the phenomenon of damaging, solve because the lateral torsion power that bonnet tightens the back bonnet produces distortion to the effect of oral area on the valve body, influence the problem of product performance.
The utility model adopts following technological scheme for this reason:
Pipeline of the present utility model connects uses stop valve, comprise valve body and bonnet, described bonnet is installed in the upper end portion of described valve body by thread engagement, described valve body upper end oral area is provided with sealing surface near the inner circumference edge of endoporus, the arranged outside of described sealing surface has lug boss, be provided with sealed department in the described bonnet, the sealing surface fitted seal of the sealed department of described bonnet and described valve body.
As the further of technique scheme improved and replenish, so that adopt multiple structural type in the specific implementation, the utility model also comprises following technical characteristics:
Particularly, the sealing surface on the described valve body is the plane.
Optionally, the height of the relative sealing surface of lug boss on the described valve body is between 0.4～0.8mm.
Particularly, being formed with annular groove between the madial wall of the outer side surface of sealed department and bonnet in the described bonnet matches with the lug boss of valve body.
Particularly, the section shape of described sealed department is roughly acute angle-shaped.
Optionally, the inner side surface of described sealed department and outer side surface constitute an angle α, and angle α is between 60～80 degree.
Optionally, the high 1.0～2.5mm of height of the relative sealing surface of lug boss of the aspect ratio valve body of the relative inner top surface of described sealed department.
Preferably, the high 1.2～1.8mm of height of the relative sealing surface of lug boss of the aspect ratio valve body of the relative inner top surface of described sealed department.
The beneficial effects of the utility model are: by the improvement to valve body and bonnet structure, compared with prior art, effectively prevent the phenomenon of damaging that valve body upper end oral area sealing surface causes in the production flow process, minimizing causes the bad loss cost that brings of scrapping of product hermeticity energy because of damaging, also can avoid simultaneously causing the radial deformation of valve body upper end oral area because of bonnet tightening torque horizontal force, and then the sealability and the working life of improving product.
Description of drawings:
Fig. 1: be pipeline the connection valve body of stop valve and the sealed structural representation of bonnet of prior art;
Fig. 2: be the structural representation of the utility model Twoway valves;
Fig. 3: be the sealed structural representation of Fig. 2 valve body and bonnet;
Fig. 4: be the cross-sectional view of Fig. 2 bonnet;
Fig. 5: be the structural representation of the utility model three-way valve.
Symbol description among the figure:
1-valve body, 2-bonnet, 3-sealing surface, 4-sealed department, 5-lug boss, 6-the 1st channel part, 7-the 2nd channel part, 8-inner side surface, 9-outer side surface.
Embodiment
In order to make those skilled in the art person understand this programme better, be described in further detail below in conjunction with drawings and embodiments.
Pipeline connects and mainly comprises valve body 1 and bonnet 2 with stop valve, valve body 1 comprises two channel parts: the 1st channel part 6 that is connected with the air conditioner outdoor system and the 2nd channel part 7 that is connected with the air conditioner indoor heating system, after air conditioner is installed valve is opened, refrigerant is flowed through the 2nd channel part 7 to indoor heating system from outdoor system by the 1st channel part 6.Valve body 1 also comprises the upper end oral area, and is provided with sealing surface 3 at the upper end oral area, is provided with sealed department 4 in the bonnet 2, and bonnet is installed in the upper end portion of valve body 1 by thread engagement, makes sealed department 4 fitted seal of sealing surface 3 with the bonnet of valve body, to prevent coolant leakage.Concrete working principle is existing in background technique to be introduced in detail, does not repeat them here.
Fig. 2 is the structural representation of Twoway valves of the present utility model, and Fig. 3 is the sealed structural representation of valve body and bonnet among Fig. 2, and Fig. 4 is the cross-sectional view of Fig. 2 bonnet; As shown in Figure 3, inner circumference edge at the close endoporus of the upper end of valve body 1 oral area is provided with sealing surface 3, particularly, described sealing surface 3 is the plane, and it is perpendicular with inner hole centreline, arranged outside at described sealing surface 3 has lug boss 5, the height of lug boss 5 relative sealing surfaces is between 0.4～0.8mm, lug boss 5 is enclosed in the periphery of sealing surface 3, effectively prevent sealing surface 3 in the production flow process because of contacting the phenomenon of damaging with the hard thing in the external world, if the height of lug boss 5 is then just not obvious to the protective action of sealing surface 3 less than 0.4mm; If the height of lug boss 5 is greater than 0.8mm, then the height of valve body and bonnet is all wanted corresponding increase, is inconvenient to process, and also increases cost of material simultaneously.Therefore, such port organization minimizing is damaged because of sealing plane and is caused the defective loss cost that is caused of scrapping of product hermeticity energy, effectively improves the up-to-standard rate and the sealability thereof of product.
As shown in Figure 4, be provided with sealed department 4 in the described bonnet 2, the sealed department 4 of described bonnet matches and reliable sealing with the sealing surface 3 of described valve body, to prevent coolant leakage.Particularly, forming section shape from the inner top surface 10 of bonnet to outer process is acute angle-shaped sealed department 4, that is to say that the outer side surface 9 of sealed department 4 is vertical substantially with the inner top surface 10 of bonnet, the inner side surface 8 of sealed department 4 constitutes an angle α with outer side surface 9, and angle α is between 60～80 degree.If it is not enough that angle α spends the fastness of sealed department then less than 60, tighten at bonnet and make the sealed department distortion in the process easily; Opposite moment of torsion required when bonnet is tightened is bigger if angle α spends greater than 80, makes the sealing plane 3 of valve body produce distortion easily, and the distortion of sealed department 4 or sealing surface 3 all has bigger influence to the sealability of product like this.Further, can more reliable fitted seal for making sealed department 4 and sealing surface 3, the high 1.0～2.5mm of height of the aspect ratio lug boss 5 relative sealing surfaces 3 of described sealed department 4 relative inner top surfaces; Preferentially, being formed with annular groove between the high 1.2～1.8mm of height of the aspect ratio lug boss 5 relative sealing surfaces 3 of described sealed department 4 relative inner top surfaces, the outer side surface 9 of sealed department 4 and the madial wall of bonnet 2 matches with lug boss 5 on the valve body 1.Be the plane rather than the conical surface because sealing surface adopts again, this sealing configuration makes valve body upper end oral area can not be subjected to the effect of the moment of torsion transverse force after bonnet tightens, the upper end oral area of valve body can not produce radial deformation, thereby improves the durability of products energy, prolongs the working life of product.
Fig. 5 is the structural representation of three-way valve of the present utility model, pipeline of the present utility model connects with stop valve embodiment as described above, not only be confined to Twoway valves, even in the three-way valve of prior art, can use its sealing configuration too, as shown in Figure 5, because those skilled in the art can be implemented on three-way valve with the technique scheme correspondence according to foregoing description, therefore, do not repeat them here.
The only open structural representation relevant of accompanying drawing in this patent file with the utility model.
In addition, the noun of locality of being mentioned in the utility model such as inside and outside, upper and lower and is not to restriction of the present utility model just for convenience of description.
Claims (10)
1. a pipeline connects and uses stop valve, comprise valve body (1) and bonnet (2), described bonnet (2) is installed in the upper end portion of described valve body (1) by thread engagement, it is characterized in that: described valve body (1) upper end oral area is provided with sealing surface (3) near the inner circumference edge of endoporus, the arranged outside of described sealing surface (3) has lug boss (5), be provided with sealed department (4) in the described bonnet (2), sealing surface (3) fitted seal of sealed department of described bonnet (4) and described valve body.
2. pipeline according to claim 1 connects uses stop valve, it is characterized in that the sealing surface (3) on the described valve body (1) is the plane.
3. pipeline according to claim 1 connects uses stop valve, it is characterized in that, the height of the relative sealing surface (3) of the lug boss (5) on the described valve body (1) is between 0.4～0.8mm.
4. pipeline according to claim 1 connects uses stop valve, it is characterized in that, is formed with annular groove between the outer side surface (9) of the interior sealed department of described bonnet (2) (4) and the madial wall of bonnet (2) and matches with the lug boss (5) of valve body (1).
5. pipeline according to claim 1 connects uses stop valve, it is characterized in that the section shape of described sealed department (4) is roughly acute angle-shaped.
6. use stop valve according to claim 4 or 5 described pipelines connections, it is characterized in that the inner side surface (8) of described sealed department (4) constitutes an angle α with outer side surface (9), angle α is between 60～80 degree.
7. connect according to the wherein arbitrary described pipeline of claim 1-5 and use stop valve, it is characterized in that described sealed department (4) is the high 1.0～2.5mm of height of the relative sealing surface (3) of lug boss (5) of the aspect ratio valve body (1) of inner top surface (10) relatively.
8. pipeline according to claim 6 connects uses stop valve, it is characterized in that, described sealed department (4) is the high 1.0～2.5mm of height of the relative sealing surface (3) of lug boss (5) of the aspect ratio valve body (1) of inner top surface (10) relatively.
9. connect according to the wherein arbitrary described pipeline of claim 1-5 and use stop valve, it is characterized in that described sealed department (4) is the high 1.2～1.8mm of height of the relative sealing surface (3) of lug boss (5) of the aspect ratio valve body (1) of inner top surface (10) relatively.
10. pipeline according to claim 6 connects uses stop valve, it is characterized in that, described sealed department (4) is the high 1.2～1.8mm of height of the relative sealing surface (3) of lug boss (5) of the aspect ratio valve body (1) of inner top surface (10) relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202668823U CN201818893U (en) | 2010-07-17 | 2010-07-17 | Stop valve for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202668823U CN201818893U (en) | 2010-07-17 | 2010-07-17 | Stop valve for pipeline connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818893U true CN201818893U (en) | 2011-05-04 |
Family
ID=43916845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202668823U Expired - Lifetime CN201818893U (en) | 2010-07-17 | 2010-07-17 | Stop valve for pipeline connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382373A (en) * | 2016-10-20 | 2017-02-08 | 广东美的暖通设备有限公司 | Cutoff valve and air conditioner |
| CN111379887A (en) * | 2018-12-27 | 2020-07-07 | 青岛经济技术开发区海尔热水器有限公司 | Multifunctional needle valve, heat pump water heater and refrigerant filling method thereof |
-
2010
- 2010-07-17 CN CN2010202668823U patent/CN201818893U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382373A (en) * | 2016-10-20 | 2017-02-08 | 广东美的暖通设备有限公司 | Cutoff valve and air conditioner |
| CN111379887A (en) * | 2018-12-27 | 2020-07-07 | 青岛经济技术开发区海尔热水器有限公司 | Multifunctional needle valve, heat pump water heater and refrigerant filling method thereof |
| CN111379887B (en) * | 2018-12-27 | 2024-02-09 | 青岛经济技术开发区海尔热水器有限公司 | Multifunctional needle valve, heat pump water heater and refrigerant filling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Mei Zhu Zhen three flower Mei Zhu Industrial Park Administration Building Patentee after: ZHEJIANG SANHUA INTELLIGENT CONTROLS Co.,Ltd. Address before: 312500 Liquan village of Zhejiang County in Xinchang Province town under Patentee before: ZHEJIANG SANHUA Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170419 Address after: 335400 Guixi Industrial Park, Jiangxi Province Hing Road, North Road, four Patentee after: SANHUA (JIANGXI) AUTOMATIC CONTROL COMPONENTS CO.,LTD. Address before: 312500 Zhejiang city of Shaoxing province Xinchang County Mei Zhu Zhen three flower Mei Zhu Industrial Park Administration Building Patentee before: ZHEJIANG SANHUA INTELLIGENT CONTROLS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |