CN204852731U - Double check valve tee bend structure - Google Patents
Double check valve tee bend structure Download PDFInfo
- Publication number
- CN204852731U CN204852731U CN201520488264.6U CN201520488264U CN204852731U CN 204852731 U CN204852731 U CN 204852731U CN 201520488264 U CN201520488264 U CN 201520488264U CN 204852731 U CN204852731 U CN 204852731U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve rod
- spring
- bonnet
- 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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- Check Valves (AREA)
Abstract
The utility model relates to a fluid control technical field relates to a double check valve tee bend structure, which comprises a valve body, the valve body is an axle symmetrical structure, and valve body both ends mouth all is equipped with the valve cap, and the valve cap has cup jointed the connector, install the check valve between valve body and the valve cap valve rod, spring and seal gasket, be equipped with first fixed loop on the valve body, be equipped with the second fixed loop on the valve cap, the valve rod is through first, second fixed loop radical location and install in the valve body, be equipped with the bulge loop on the valve rod, the spring is located on the circumference outside of valve rod through the mode cover of connecting bulge loop and second fixed loop, on the bulge loop with the one end laminating that the spring is relative has seal gasket, assembly inside seal circle on the valve cap, valve cap port department sets up the external seal circle. The utility model discloses reduced the connecting line, simplified the pipeline layout degree of difficulty, improved assembly process nature, set up spacing boss and improved sealed effect and life in the valve.
Description
Technical field
The utility model relates to fluid control technology field, specifically relates to a kind of double check valve three-port structure.
Background technique
In daily life, when family expenses are with waterpipe stringing, threeway and safety check are all conventional fluid control devices, and threeway is mainly used in divided fluid stream, confluxes, control flow check to, and safety check Main Function prevents medium to flow backwards the generation of the situation such as instrument damage, leak of liquid that may cause.Current layout home pipeline, all needs when pipeline connecting element is installed to ensure good sealing, and installs loaded down with trivial details when multiple valve connects, tie point is various, need the seal operation repeated repeatedly, the maintenance process of later maintenance simultaneously also needs to check there is inconvenience to each valve more.
Model utility content
The utility model is solve the problems of the technologies described above to provide that a kind of assembly process process is high, the double check valve three-port structure of good seal performance.
For solving the problems of the technologies described above, a kind of double check valve three-port structure that the utility model provides, include valve body, described valve body is axially symmetric structure, valve body two-port is all equipped with bonnet, described bonnet is socketed with connecting head, between described valve body and bonnet, safety check is installed, block is provided with in described valve body, described safety check comprises valve rod, spring and gasket seal, described valve body is provided with the first retaining ring, described bonnet is provided with the second retaining ring, described valve rod is by first, second retaining ring radial location is also arranged in valve body, described valve rod is provided with bulge loop, described spring is sheathed in the periphery of valve rod by the mode connecting bulge loop and the second retaining ring, described valve rod offers locating slot, described spring one end to be placed in locating slot and to be fixed on valve rod, one end relative with described spring on described bulge loop is fitted with gasket seal, described gasket seal is provided with groove, match with the block in valve body.
Preferably, described bonnet offers seal groove, assembling inner seal ring in described seal groove, described bonnet port arranges exterior seal ring.
Preferably, described valve rod is provided with positive stop lug boss.
By adopting above-mentioned technological scheme, the beneficial effects of the utility model are: in threeway built with double check valve, decrease connecting pipeline, simplify line arrangement difficulty, for being used in for the diversion three-way before instrument, decrease the assembling of multiple valve, improve assembly process process, non-return valve core in valve is transformed simultaneously, spool not easily produces skew, the dog height of gasket seal and spool is agreed with, when both contact with each other, degree of adaptability is high, and positive stop lug boss limits the decrement of spring, make it can not produce because compressing excessive and phenomenon that is that lost efficacy or be compressed for a long time and surrender, improve sealing effect and the working life of threeway inside, and when being connected with pipe fitting, valve body attachment arranging inside and outside double-layer seal rings, ensureing the sealability of its connection part.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is A place partial enlarged drawing;
Fig. 3 is B place partial enlarged drawing.
Main Reference Numerals illustrates:
Valve body 10 block 11 first retaining ring 12
Bonnet 20 second retaining ring 21 seal groove 22 inner seal ring 23 exterior seal ring 24
Connecting head 30
Valve rod 41 bulge loop 411 locating slot 412 positive stop lug boss 413 spring 42
Gasket seal 43 groove 431.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
A kind of double check valve three-port structure as Figure 1-3, include valve body 10, described valve body 10 is axially symmetric structure, valve body 10 two-port is all equipped with bonnet 20, be threaded connection between described bonnet 20 and valve body 10, bonnet 20 the other end is socketed with connecting head 30, described connecting head 30 can coordinate with bonnet 20 axial stretching, in described valve body 10 and between bonnet 20, safety check is installed, block 11 is provided with in described valve body, described safety check comprises valve rod 41, spring 42 and gasket seal 43, described valve body 10 is provided with the first retaining ring 12, described bonnet 20 is provided with the second retaining ring 21, described valve rod 41 is by the first retaining ring 12 and the second retaining ring 21 radial location and be arranged in valve body 10, described valve rod 41 is provided with bulge loop 411, described spring 42 is sheathed in the periphery of valve rod 41 by the mode connecting bulge loop 411 and the second retaining ring 21, described valve rod 41 offers locating slot 412, described spring 42 one end to be placed in locating slot 412 and to be fixed on valve rod 41, described locating slot 412 ensures that spring 42 embeds wherein, and have enough restraints that spring 42 is fixed, one end relative with described spring 42 on described bulge loop 411 is fitted with gasket seal 43, and described gasket seal 43 is provided with groove 431, matches with the block 11 in valve body 10, described bonnet 20 offers seal groove 22, assembling inner seal ring 23 in described seal groove 22, described bonnet 20 port arranges exterior seal ring 24, described inner seal ring 23 can assemble one or more according to demand, and described exterior seal ring 24 its annular diameters when selecting should be less than the diameter of bonnet 20 cavity, described valve rod 41 is provided with positive stop lug boss 413, and when spring 42 is compressed, positive stop lug boss 413 moves to and props up bonnet 20, limits the decrement of spring 42, makes it can not produce because compressing excessive and phenomenon that is that lost efficacy or be compressed for a long time and surrender.
By specific embodiment, the utility model has been described in detail above, but these are not formed restriction of the present utility model.When not departing from the utility model principle, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection domain of the present utility model.
Claims (3)
1. a double check valve three-port structure, include valve body, described valve body is axially symmetric structure, valve body two-port is all equipped with bonnet, described bonnet is socketed with connecting head, between described valve body and bonnet, safety check is installed, described safety check comprises valve rod, spring and gasket seal, block is provided with in described valve body, it is characterized in that: described valve body is provided with the first retaining ring, described bonnet is provided with the second retaining ring, described valve rod is by first, second retaining ring radial location is also arranged in valve body, described valve rod is provided with bulge loop, described spring is sheathed in the periphery of valve rod by the mode connecting bulge loop and the second retaining ring, described valve rod offers locating slot, described spring one end to be placed in locating slot and to be fixed on valve rod, one end relative with described spring on described bulge loop is fitted with gasket seal, described gasket seal is provided with groove, match with the block in valve body.
2. a kind of double check valve three-port structure as claimed in claim 1, is characterized in that: described bonnet offers seal groove, and assembling inner seal ring in described seal groove, described bonnet port arranges exterior seal ring.
3. a kind of double check valve three-port structure as claimed in claim 1 or 2, is characterized in that: described valve rod is provided with positive stop lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488264.6U CN204852731U (en) | 2015-07-08 | 2015-07-08 | Double check valve tee bend structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488264.6U CN204852731U (en) | 2015-07-08 | 2015-07-08 | Double check valve tee bend structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852731U true CN204852731U (en) | 2015-12-09 |
Family
ID=54743276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520488264.6U Expired - Fee Related CN204852731U (en) | 2015-07-08 | 2015-07-08 | Double check valve tee bend structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852731U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662208A (en) * | 2018-05-30 | 2018-10-16 | 华东矿用设备有限公司 | A kind of pilot operated valve device of symmetrical structure |
| CN109397133A (en) * | 2018-10-15 | 2019-03-01 | 西北工业大学 | Collet mounting device |
| CN110671289A (en) * | 2019-11-26 | 2020-01-10 | 力源液压（苏州）有限公司 | Axial plunger bidirectional variable pump |
| CN111946868A (en) * | 2020-08-04 | 2020-11-17 | 安徽斯瑞尔阀门有限公司 | Oil delivery valve with oil distribution structure and machining process thereof |
| CN112113011A (en) * | 2020-10-20 | 2020-12-22 | 中国电子科技集团公司第三十八研究所 | Double-sealing vacuum one-way valve |
-
2015
- 2015-07-08 CN CN201520488264.6U patent/CN204852731U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662208A (en) * | 2018-05-30 | 2018-10-16 | 华东矿用设备有限公司 | A kind of pilot operated valve device of symmetrical structure |
| CN109397133A (en) * | 2018-10-15 | 2019-03-01 | 西北工业大学 | Collet mounting device |
| CN110671289A (en) * | 2019-11-26 | 2020-01-10 | 力源液压（苏州）有限公司 | Axial plunger bidirectional variable pump |
| CN111946868A (en) * | 2020-08-04 | 2020-11-17 | 安徽斯瑞尔阀门有限公司 | Oil delivery valve with oil distribution structure and machining process thereof |
| CN112113011A (en) * | 2020-10-20 | 2020-12-22 | 中国电子科技集团公司第三十八研究所 | Double-sealing vacuum one-way valve |
| CN112113011B (en) * | 2020-10-20 | 2024-06-07 | 中国电子科技集团公司第三十八研究所 | Double-sealing vacuum one-way valve |
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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: 20151209 Termination date: 20160708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |