CN201944351U - Water path non-return device - Google Patents
Water path non-return device Download PDFInfo
- Publication number
- CN201944351U CN201944351U CN2011200645446U CN201120064544U CN201944351U CN 201944351 U CN201944351 U CN 201944351U CN 2011200645446 U CN2011200645446 U CN 2011200645446U CN 201120064544 U CN201120064544 U CN 201120064544U CN 201944351 U CN201944351 U CN 201944351U
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- Prior art keywords
- valve
- valve core
- core head
- backstop
- valve seat
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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 discloses a water path non-return device which comprises a valve body (100), a valve seat (200), a valve core (300), a spring (400) and a sealing ring (500), wherein the valve body (100) is provided with an inner hole, the inlet end of the inner hole is convexly provided with a sealing lip (110); the valve seat (200) is arranged at the outlet end of the inner hole of the valve body (100) and is concavely provided with a guide hole (210); the valve core (300) comprises a guide rod (310) and a valve core head (320) which are integrally formed, the guide rod (310) is adapted and connected with the guide hole (210) in a sliding way, and the valve core head (320) is movably arranged in the valve body (100) and positioned between the guide hole (210) and the sealing lip (110); the spring (400) is arranged between the valve seat (200) and the valve core head (320); and the sealing ring (500) is sleeved outside the valve core head (320) and adapted with the sealing lip (110). As the valve core head and the guide rod are integrally formed, the water path non-return device has the advantages of simple structure, high reliability and wider range of application; and as the guide hole of the valve seat is matched with the guide rod and the valve core, the water path non-return device to realize navigation, thereby increasing the sliding accuracy of the valve core head.
Description
Technical field
The utility model relates to a kind of water route backstop.
Background technique
Existing water route backstop comprises a valve body, a valve seat, a spool, a spring and a seal ring.Described valve body is established an endoporus, and described endoporus convexes with sealing lip.Described valve seat is located at valve body inner bore.Described spool activity is installed in the valve body and between valve seat and sealing lip.Described seal ring is enclosed within the outer and adaptive sealing lip of valve core head.Described spool valve body relatively slides between sealing station and open position, when being positioned at sealing station, and the described seal ring sealing lip that is tightly connected, make backstop be in closed state, when being positioned at open position, described seal ring and sealing lip stagger, and make backstop be in open mode.Described spring is located between valve seat and the valve core head, makes: when the big pressure of current forward circulated, water flow pressure is big to make spool move to the open position direction from sealing station to making length of spring compressed, makes backstop be in open mode; When the little pressure of flow reversal circulation or forward circulates, make spool be positioned at sealing station, make backstop be in sealing state.Though should have the non-return effect in water route by existing water route backstop, have following deficiency: structure is comparatively complicated, and performance reliability is poor, and spool glide direction accuracy can't guarantee.
The model utility content
The utility model provides a kind of water route backstop, and it has overcome the existing existing deficiency of water route backstop in the background technique.
The technological scheme that is adopted that the utility model solves its technical problem is:
A kind of water route backstop, it comprises:
One valve body (100), it establishes an endoporus that has the inlet side and go out to hold, and described endoporus inlet side convexes with sealing lip (110);
One valve seat (200), it is located at valve body (100) endoporus and goes out end, and is arranged with a guide hole (210);
One spool (300), it comprises integrated guide rod (310) and valve core head (320), the adaptive guide hole that is slidingly connected of described guide rod (310) (210), described valve core head (320) activity are installed in the valve body (100) and are positioned between guide hole (210) and the sealing lip (110);
One spring (400), it is located between valve seat (200) and the valve core head (320); And
One seal ring (500), it is enclosed within the outer and adaptive sealing lip (110) of valve core head (320).
Among one preferred embodiment: described valve seat (200) peripheral retaining ring (220) is fixed together by spoke (230) between described buckle cover (220) and the valve seat (200).
Among one preferred embodiment: described buckle cover (220) buckle is installed in the endoporus of valve body (100).
Among one preferred embodiment: described guide hole (210) is the penetration hole of axis.
Among one preferred embodiment: described valve core head (320) on the axial vane surface of guide rod (310), offer a circular groove (321), described spring (400) is socketed in guide rod (310) and an end is positioned in the circular groove (321).
Among one preferred embodiment: described spring (400) is socketed in valve seat (200) and is supported by on spoke (230).
The technical program is compared with background technique, and it has following advantage:
1, valve core head and guide rod are one-body molded, and be simple in structure, the reliability height, and Applicable scope is more extensive; The cooperation of the guide hole by valve seat and the guide rod of spool realizes navigation, can increase the accuracy that valve core head slides;
2, the fixedly connected realization that is clasped by buckle cover and valve body inner bore between spool and the valve seat is easy to assembly quick.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 has illustrated one of the schematic perspective view of the backstop of a preferred embodiment.
Fig. 2 illustrated a preferred embodiment backstop schematic perspective view two.
Fig. 3 has illustrated the perspective exploded view of the backstop of a preferred embodiment.
Fig. 4 has illustrated the three-dimensional partly cut-away schematic representation of the backstop of a preferred embodiment.
Fig. 5 has illustrated the schematic top plan view of the backstop of a preferred embodiment.
Fig. 6 has illustrated the A-A generalized section of Fig. 5, and this moment, the forward water flow pressure was lower than predetermined pressure.
Fig. 7 has illustrated the A-A generalized section of Fig. 5, and this moment, the forward water flow pressure was greater than predetermined pressure.
Fig. 8 has illustrated the A-A generalized section of Fig. 5, at this moment reverse flow pressure.
Embodiment
Please refer to Fig. 1 to Fig. 5, a kind of water route backstop, it comprises a valve body 100, a valve seat 200, a spool 300, a spring 400 and a seal ring 500.
Described valve body 100, it establishes an endoporus that has the inlet side and go out to hold, and described endoporus inlet side convexes with sealing lip 110.Described valve body 100 peripheral hardwares one fitting recess 120 is established a seal ring 130 in the described fitting recess 120.
Described valve seat 200, it is located at valve body 100 endoporus and goes out end, and the center is arranged with a guide hole 210, and described guide hole 210 is the penetration hole of axis.Described valve seat 200 peripheral retaining rings 220 are fixed together by spoke 230 between described buckle cover 220 and the valve seat 200.Described buckle overlaps in the endoporus that 200 buckles are installed in valve body 100, makes described valve seat 200 be positioned at valve body 100, makes the dead in line of axis and valve body 100 of described valve seat 200.
Described spool 300, it comprises integrated guide rod 310 and valve core head 320, the described guide rod 310 adaptive guide holes 210 that are slidingly connected make described valve core head 320 activities be installed in the valve body 100 and between guide hole 210 and sealing lip 110, can slide between sealing station and open position.Described valve core head 320 on the axial vane surface of guide rod 310, offer a circular groove 321 around guide rod 310.Best, described valve core head 320 outer turning surface are arranged with and form a containing groove 330.
Described spring 400, it is located between valve seat 200 and the valve core head 320, and described spring 400 is socketed in guide rod 310, one ends and is positioned in the circular groove 321, and the other end is socketed in valve seat 200 and is supported by on spoke 230.
Described seal ring 500, it is enclosed within the containing groove 330 interior and adaptive sealing lips 110 of valve core head 320.
Wherein:
When the big pressure of current forward circulated, water flow pressure to making spring 400 compressions, made valve core head 320 move to the open position direction from sealing station greatly, makes seal ring 500 leave sealing lip 110, makes backstop be in open mode, please refers to Fig. 7;
When the little pressure of current forward circulates, make valve core head 320 remain on sealing station, make seal ring 500, make backstop be in sealing state, please refer to Fig. 6 near sealing lip 110;
When the reverse little pressure of current circulates, make valve core head 320 remain on sealing station, make seal ring 500, make backstop be in sealing state, please refer to Fig. 8 near sealing lip 110.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (6)
1. water route backstop, it is characterized in that: it comprises:
One valve body (100), it establishes an endoporus that has the inlet side and go out to hold, and described endoporus inlet side convexes with sealing lip (110);
One valve seat (200), it is located at valve body (100) endoporus and goes out end, and is arranged with a guide hole (210);
One spool (300), it comprises integrated guide rod (310) and valve core head (320), the adaptive guide hole that is slidingly connected of described guide rod (310) (210), described valve core head (320) activity are installed in the valve body (100) and are positioned between guide hole (210) and the sealing lip (110);
One spring (400), it is located between valve seat (200) and the valve core head (320); And
One seal ring (500), it is enclosed within the outer and adaptive sealing lip (110) of valve core head (320).
2. a kind of water route according to claim 1 backstop is characterized in that: described valve seat (200) peripheral retaining ring (220) is fixed together by spoke (230) between described buckle cover (220) and the valve seat (200).
3. a kind of water route according to claim 2 backstop is characterized in that: described buckle cover (200) buckle is installed in the endoporus of valve body (100).
4. a kind of water route according to claim 2 backstop is characterized in that: described guide hole (210) is the penetration hole of axis.
5. according to claim 2 or 3 or 4 described a kind of water route backstops, it is characterized in that: described valve core head (320) on the axial vane surface of guide rod (310), offer a circular groove (321), described spring (400) is socketed in guide rod (310) and an end is positioned in the circular groove (321).
6. a kind of water route according to claim 5 backstop is characterized in that: described spring (400) is socketed in valve seat (200) and is supported by on spoke (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200645446U CN201944351U (en) | 2011-03-11 | 2011-03-11 | Water path non-return device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200645446U CN201944351U (en) | 2011-03-11 | 2011-03-11 | Water path non-return device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201944351U true CN201944351U (en) | 2011-08-24 |
Family
ID=44471695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200645446U Expired - Lifetime CN201944351U (en) | 2011-03-11 | 2011-03-11 | Water path non-return device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201944351U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707546A (en) * | 2018-12-29 | 2019-05-03 | 重庆红江机械有限责任公司 | A kind of oil control valve out of electric-controlled fuel injector |
| CN110529636A (en) * | 2019-09-17 | 2019-12-03 | 苏州沃达园林机械有限公司 | A kind of fast-connecting type check valve |
| CN110654163A (en) * | 2019-11-15 | 2020-01-07 | 无锡市凯圣机械制造有限公司 | Spoke cap and spoke wheel |
| CN113700907A (en) * | 2021-09-03 | 2021-11-26 | 北京汽车集团越野车有限公司 | Vacuum pump check valve and vehicle |
-
2011
- 2011-03-11 CN CN2011200645446U patent/CN201944351U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707546A (en) * | 2018-12-29 | 2019-05-03 | 重庆红江机械有限责任公司 | A kind of oil control valve out of electric-controlled fuel injector |
| CN110529636A (en) * | 2019-09-17 | 2019-12-03 | 苏州沃达园林机械有限公司 | A kind of fast-connecting type check valve |
| CN110654163A (en) * | 2019-11-15 | 2020-01-07 | 无锡市凯圣机械制造有限公司 | Spoke cap and spoke wheel |
| CN113700907A (en) * | 2021-09-03 | 2021-11-26 | 北京汽车集团越野车有限公司 | Vacuum pump check valve and vehicle |
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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 |
Address after: 361000, Fujian, Xiamen, China (Fujian) free trade test area, Xiamen area (bonded port), Seaview East Road, No. 4, building 18, A06 Co-patentee after: Zhou Huasong Patentee after: XIAMEN SOLEX HIGH-TECH INDUSTRIES Co.,Ltd. Address before: 361000 sunshine West Road, Xinyang Industrial Zone, Haicang District, Fujian, Xiamen 298 Co-patentee before: Zhou Huasong Patentee before: XIAMEN SOLEX HIGH-TECH INDUSTRIES Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170925 Address after: 361000, Fujian, Xiamen, China (Fujian) free trade test area, Xiamen area (bonded port), Seaview East Road, No. 4, building 18, A06 Patentee after: XIAMEN SOLEX HIGH-TECH INDUSTRIES Co.,Ltd. Address before: 361000, Fujian, Xiamen, China (Fujian) free trade test area, Xiamen area (bonded port), Seaview East Road, No. 4, building 18, A06 Co-patentee before: Zhou Huasong Patentee before: XIAMEN SOLEX HIGH-TECH INDUSTRIES Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
|
| CX01 | Expiry of patent term |