CN202867949U - One-way check valve - Google Patents
One-way check valve Download PDFInfo
- Publication number
- CN202867949U CN202867949U CN201220455854.5U CN201220455854U CN202867949U CN 202867949 U CN202867949 U CN 202867949U CN 201220455854 U CN201220455854 U CN 201220455854U CN 202867949 U CN202867949 U CN 202867949U
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- China
- Prior art keywords
- valve
- valve body
- spool
- way stop
- stop peturn
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- Expired - Lifetime
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Abstract
The utility model provides a one-way check valve, and belongs to the technical field of valve manufacturing. The problems that an existing check valve is complex in structure, and high in machining precision and the like are solved. The one-way check valve comprises a valve body, a valve core, a spring and a valve cover, wherein one end of the valve body is a water inlet, the other end of the valve body is a water outlet, the valve core is arranged in the valve body, the valve cover is fixed on the water outlet of the valve body, the spring is arranged between the valve core and the valve cover, the valve body is barrel-shaped, the valve core comprises a valve seat in a circular truncated cone shape and a vale rod in a straight rod shape, an annular groove is arranged on the circumferential outer side of the valve seat, an O-shaped rubber sealing ring is sleeved in the groove, and a guiding structure which can enable the valve core to move horizontally and linearly along the axial direction of the valve body is arranged between the valve core and the valve cover. The one-way check valve has the advantages of being simple in structure, good in sealing effect and the like.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, relates to a kind of one way stop peturn valve.
Background technique
Common valve only has unlatching, closes and controls the function of fluid flow, wants to make fluid not flow backwards, and a safety check must be set in valve.Traditional check valve structure general expression adopts a dish spring and flap, its working principle is to settle flap in the central to be expressed to realization non-return sealing on the valve seat, traditional safety check must carry out screw thread processing to pipeline when mounted, trouble is installed, inefficiency, conventional check valves is when opening, fluid can fluctuate, and then cause the vibrations of dish spring or flap, thereby cause noise, working life that simultaneously also can reduction dish spring.
For the problem of above existence, people have made improvement miscellaneous, and what have has also applied for patent, and for example the Chinese patent literature data discloses the multifunctional non-return valve core [patent No. 200510049784.8; Publication number: CN1699807A], it is by the helical pitch seat, the helical pitch support, spool and dish spring form, helical pitch seat and helical pitch support engagement connection, both joints arrange a seal washer, the dish spring is arranged between spool and the helical pitch support, helical pitch support afterbody arranges a boss, be connected by a plurality of stiffening ribs between boss and the rack body, the boss inner hollow, its bottom arranges a helical pitch track, and spool is beveled structure, its afterbody is built in the helical pitch track, its head holds on seal washer under the effect of compact disk spring, and helical pitch seat outer side wall arranges round section joint ring, and helical pitch support outer side wall is provided with a plurality of elastic card locking devices.
But this kind non-return valve core, the helical pitch seat, to lead into support all be to be made by plastic materials, and seal ring is the place that engages between helical pitch seat and helical pitch support, when engaging place is installed the zone of seal ring when larger, seal ring is loosening, sealing effect is poor, when zone that seal ring is installed in engaging place hour, seal ring since elasticity expand outwardly, easily make and engage loosening between helical pitch seat and the helical pitch support even come off, cause scrapping of non-return valve core, and helical pitch seat support complex structure, the production and processing trouble.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of one way stop peturn valve of simple in structure and good sealing effect is provided.
The purpose of this utility model can realize by following technical proposal: a kind of one way stop peturn valve, comprise valve body, spool, spring and valve gap, one end of described valve body is water intake, the other end is water outlet, described spool is positioned at valve body, described valve gap is fixed on the water outlet of valve body, described spring is located between spool and the valve gap, it is characterized in that, described valve body is tubular, described spool comprises the valve seat that is round table-like and is the valve rod of direct rod shape, the week of described valve seat has annular groove laterally, be arranged with " O " type rubber seal in the described groove, have between described spool and the valve gap and can make spool along the guide structure of the axial rectilinear translation of valve body.
This one way stop peturn valve makes spool be pressed on the valve body water outlet under the effect of spring force, " O " type rubber seal makes between valve body and the spool and is in sealing state, fluid can not pass through, good sealing effect, and " O " type rubber seal is set in the groove, " O " type rubber seal is installed firmly, and one way stop peturn valve is in normally off.When the pressure at the close valve inleting water mouth place of fluid surpassed spring force, along the translation of valve body axial direct alignment valve body water outlet, this moment, opened by one-way valve under the effect of guide structure for spool, and fluid passes through one-way valve.Pressure when the close valve inleting water mouth place of fluid is attenuated to the pressure increase that is lower than spring force or the close water outlet of fluid, spool under the effect of guide structure along the place's translation of valve body axial direct alignment valve inleting water mouth, slit between " O " type rubber seal shutoff valve body and the spool, one way stop peturn valve is in closed condition, and fluid can not pass through.
In above-mentioned a kind of one way stop peturn valve, described guide structure comprises the guide cylinder on valve rod and the valve gap, and described valve rod is located in the guide cylinder.Valve rod is the direct rod shape that is elongated, the center of guide cylinder has the hole of running through, and the diameter in hole is greater than the diameter of valve rod, and an end of valve rod is located in the hole of guide cylinder, when spool moved, valve rod can only be along the axial left and right sides of valve body rectilinear translation under the effect of guide cylinder guiding.
In above-mentioned a kind of one way stop peturn valve, described valve body, spool and valve gap all are to be made by plastic materials, the week of described valve gap has annular slot laterally, the port of described valve body water outlet has the annular gear edge towards the valve body inboard, when valve body during with the clamping of valve gap phase, described gear is along being arranged in draw-in groove.During installation, because valve body, valve gap are to be made by plastic materials, by the extruding valve gap, make the gear of valve body along snapping onto in the draw-in groove of valve gap, valve gap and valve body are connected mutually.
In above-mentioned a kind of one way stop peturn valve, described spring housing is located at outside the valve rod, and an end of spring is resisted against on the valve seat, and the other end is resisted against on the guide cylinder.Spring is between valve seat and the valve gap, is in all the time compressed state, makes spool have the trend that moves towards valve inleting water mouth place under the effect of spring force.
In above-mentioned a kind of one way stop peturn valve, described valve seat and valve rod are integral structures.The integral structure good stability, firmly degree is high.
In above-mentioned a kind of one way stop peturn valve, described guide cylinder is connected mutually by the sidewall of connecting rod with valve gap.This kind structure makes the area of valve gap end face perforation place large, makes things convenient for the outflow of fluid.
In above-mentioned a kind of one way stop peturn valve, the outside of described valve inleting water mouth has seal ring.The outside of seal ring sealed valve body and the slit between the valve pipe, good seal performance, the performance of the anti-backflow of one way stop peturn valve is good.
In above-mentioned a kind of one way stop peturn valve, have some on the madial wall of described valve body along the axial stiffening rib of valve body.Stiffening rib strengthens the intensity of valve body, makes the firm degree of valve body higher.
Compared with prior art, the one way stop peturn valve that provides of the utility model has the following advantages:
1, " O " type rubber seal of this one way stop peturn valve is fixed on the spool, and when one way stop peturn valve was in closed condition, under the effect of spring force, " O " type rubber seal is the slit between sealed valve body and the spool all the time, good sealing effect.
2, the valve body of this one way stop peturn valve is tubular, and spool, valve gap and spring etc. all are positioned at valve inner, and simple in structure, profile is succinct, attractive in appearance.
3, the valve body of this one way stop peturn valve and valve gap are to be made by plastic materials, and the mode by clamping connects, and is simple in structure, easy to connect.
Description of drawings
Fig. 1 is the overall structure sectional view of this one way stop peturn valve.
Fig. 2 is the plan view of the valve gap of this one way stop peturn valve.
Among the figure, 1, valve body; 1a, water intake; 1b, water outlet; 1c, gear edge; 1d, stiffening rib; 2, spool; 2a, valve seat; 2b, valve rod; 2c, groove; 3, spring; 4, valve gap; 4a, guide cylinder; 4b, connecting rod; 4c, draw-in groove; 5, " O " type rubber seal; 6, seal ring.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
This one way stop peturn valve is used for the valves such as water tap, gondola water faucet and water meter, prevents that fluid from refluxing.As shown in Figure 1, it comprises valve body 1, spool 2, spring 3 and valve gap 4, and valve body 1, spool 2 and valve gap 4 all are to be made by plastic materials.
Valve body 1 is tubular, and an end is water intake 1a, and the other end is water outlet 1b, and the outside of water intake 1a end has seal ring 6, the slit between the tube walls such as sealed valve body 1 outside and valve, and good sealing effect, the anti-backflow performance is good.Have 4 on the madial wall of valve body 1 along the axial arranged stiffening rib 1d of valve body 1, strengthen the firm degree of valve body 1.The port of valve body 1 water outlet 1b has towards the annular of valve body 1 inboard gear along 1c, is used for clamping valve gap 4.
This one way stop peturn valve in use because the effect of spring 3 elastic force, spring 3 promotes the water intake 1a of spools 2 sealed valve bodies 1, makes this one way stop peturn valve be in normally off.When the pressure near valve body 1 water intake 1a place increases to above spring 3 elastic force, fluid overcomes spring 3 elastic force, make spool 2 under the effect of guide cylinder 4a guiding along the axis of valve body 1 to valve body 1 water outlet 1b place rectilinear translation, at this moment, one way stop peturn valve is in opening state, and fluid passes through one way stop peturn valve.When the pressure at the close valve body 1 water intake 1a place of fluid is attenuated to the pressure increase that is lower than spring 3 elastic force or the close water outlet 1b place of fluid, spool 2 under the effect of guide cylinder 4a guiding along valve body 1 axially to valve body 1 water intake 1a place rectilinear translation, at this moment, one way stop peturn valve is in closed condition, and fluid can not pass through.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used valve body 1, water intake 1a, water outlet 1b, gear along terms such as 1c, stiffening rib 1d, spool 2, valve seat 2a, valve rod 2b, groove 2c, spring 3, valve gap 4, guide cylinder 4a, connecting rod 4b, draw-in groove 4c, " O " type rubber seal 5, seal rings 6, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (8)
1. one way stop peturn valve, comprise valve body (1), spool (2), spring (3) and valve gap (4), one end of described valve body (1) is water intake (1a), the other end is water outlet (1b), described spool (2) is positioned at valve body (1), described valve gap (4) is fixed on the water outlet (1b) of valve body (1) and locates, described spring (3) is located between spool (2) and the valve gap (4), it is characterized in that, described valve body (1) is tubular, described spool (2) comprises the valve seat (2a) that is round table-like and the valve rod (2b) that is direct rod shape, the week of described valve seat (2a) has annular groove (2c) laterally, be arranged with " O " type rubber seal (5) in the described groove (2c), have between described spool (2) and the valve gap (4) and can make spool (2) along the axial guide structure of rectilinear translation of valve body (1).
2. a kind of one way stop peturn valve according to claim 1 is characterized in that, described guide structure comprises the guide cylinder (4a) on valve rod (2b) and the valve gap (4), and described valve rod (2b) is located in the guide cylinder (4a).
3. a kind of one way stop peturn valve according to claim 1, it is characterized in that, described valve body (1), spool (2) and valve gap (4) all are to be made by plastic materials, the week of described valve gap (4) has annular slot (4c) laterally, the port of described valve body (1) water outlet (1b) has towards the inboard annular gear edge (1c) of valve body (1), when valve body (1) during with valve gap (4) phase clamping, described gear is arranged in draw-in groove (4c) along (1c).
4. a kind of one way stop peturn valve according to claim 2 is characterized in that, described spring (3) is set in outside the valve rod (2b), and an end of spring (3) is resisted against on the valve seat (2a), and the other end is resisted against on the guide cylinder (4a).
5. according to claim 1 and 2 or 3 or 4 described a kind of one way stop peturn valves, it is characterized in that, described valve seat (2a) is integral structure with valve rod (2b).
6. according to claim 2 or 4 described a kind of one way stop peturn valves, it is characterized in that, described guide cylinder (4a) is connected mutually by the sidewall of connecting rod (4b) with valve gap (4).
7. according to claim 1 and 2 or 3 or 4 described a kind of one way stop peturn valves, it is characterized in that, the outside of described valve body (1) water intake (1a) has seal ring (6).
8. according to claim 1 and 2 or 3 or 4 described a kind of one way stop peturn valves, it is characterized in that having some on the madial wall of described valve body (1) along the axial stiffening rib (1d) of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220455854.5U CN202867949U (en) | 2012-09-08 | 2012-09-08 | One-way check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220455854.5U CN202867949U (en) | 2012-09-08 | 2012-09-08 | One-way check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867949U true CN202867949U (en) | 2013-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220455854.5U Expired - Lifetime CN202867949U (en) | 2012-09-08 | 2012-09-08 | One-way check valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN202867949U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883767A (en) * | 2014-04-22 | 2014-06-25 | 张筱秋 | Flange joint two-plate flow guide zinc alloy perpendicular one-way valve |
| CN104686301A (en) * | 2015-03-28 | 2015-06-10 | 陇东学院 | Circular plant drip irrigator |
| CN104976391A (en) * | 2014-04-12 | 2015-10-14 | 徐营 | Check valve |
| CN103883768B (en) * | 2014-04-22 | 2016-03-16 | 张筱秋 | The vertical one-way valve of a kind of male connection three plate water conservancy diversion aluminum alloy |
| CN105442260A (en) * | 2014-06-11 | 2016-03-30 | 无锡小天鹅股份有限公司 | Washing machine abluent box outlet valve |
| CN108061185A (en) * | 2016-11-08 | 2018-05-22 | 青岛牧港畜牧机械有限公司 | The internal combination part manufacture mounting process of dripping-free valve |
| CN109404576A (en) * | 2018-12-21 | 2019-03-01 | 广州燃气集团有限公司 | Combustion gas is unidirectionally water blocking valve used |
| CN109837704A (en) * | 2017-11-24 | 2019-06-04 | 青岛海尔洗衣机有限公司 | A kind of tube head of Anti-drip and washing machine using the tube head |
| 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 |
| CN111306330A (en) * | 2020-04-14 | 2020-06-19 | 杭州优加自动化科技有限公司 | Vacuum check valve and valve core |
| CN111432907A (en) * | 2017-10-18 | 2020-07-17 | 费尔特兰有限责任公司 | Anti-drainback valve, flexible tube assembly including the same, and dual outlet fluid filter including the same |
| CN113840996A (en) * | 2019-05-17 | 2021-12-24 | 戴科知识产权控股有限责任公司 | Fuel tank protector valve and engine system having the same |
-
2012
- 2012-09-08 CN CN201220455854.5U patent/CN202867949U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976391A (en) * | 2014-04-12 | 2015-10-14 | 徐营 | Check valve |
| CN103883767A (en) * | 2014-04-22 | 2014-06-25 | 张筱秋 | Flange joint two-plate flow guide zinc alloy perpendicular one-way valve |
| CN103883768B (en) * | 2014-04-22 | 2016-03-16 | 张筱秋 | The vertical one-way valve of a kind of male connection three plate water conservancy diversion aluminum alloy |
| CN103883767B (en) * | 2014-04-22 | 2016-03-16 | 温州市张衡科技服务有限公司 | The vertical one-way valve of a kind of flanged joint two plate water conservancy diversion zinc alloy |
| CN105442260A (en) * | 2014-06-11 | 2016-03-30 | 无锡小天鹅股份有限公司 | Washing machine abluent box outlet valve |
| CN104686301A (en) * | 2015-03-28 | 2015-06-10 | 陇东学院 | Circular plant drip irrigator |
| CN108061185A (en) * | 2016-11-08 | 2018-05-22 | 青岛牧港畜牧机械有限公司 | The internal combination part manufacture mounting process of dripping-free valve |
| CN111432907A (en) * | 2017-10-18 | 2020-07-17 | 费尔特兰有限责任公司 | Anti-drainback valve, flexible tube assembly including the same, and dual outlet fluid filter including the same |
| CN109837704A (en) * | 2017-11-24 | 2019-06-04 | 青岛海尔洗衣机有限公司 | A kind of tube head of Anti-drip and washing machine using the tube head |
| CN109404576A (en) * | 2018-12-21 | 2019-03-01 | 广州燃气集团有限公司 | Combustion gas is unidirectionally water blocking valve used |
| CN113840996A (en) * | 2019-05-17 | 2021-12-24 | 戴科知识产权控股有限责任公司 | Fuel tank protector valve and engine system having the same |
| CN113840996B (en) * | 2019-05-17 | 2024-05-24 | 戴科知识产权控股有限责任公司 | Fuel tank protector valve and engine system having the same |
| 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 |
| CN111306330A (en) * | 2020-04-14 | 2020-06-19 | 杭州优加自动化科技有限公司 | Vacuum check valve and valve core |
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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: Taizhou City, Zhejiang province 317605 Yuhuan science and technology industrial zones Truman town Patentee after: YUHUAN KORIE PLASTIC FACTORY Address before: Wu Village Truman town of Yuhuan County Taizhou 317605 Zhejiang Province Patentee before: YUHUAN KORIE PLASTIC FACTORY |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317600 Yuhuan Kerui Plastic Industry Co., Ltd. in Chumen Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Yuhuan Kerui Plastic Industry Co.,Ltd. Address before: 317605 Science and Technology Industry Functional Zone of Chumen Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: YUHUAN KORIE PLASTIC FACTORY |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |