CN110296238B - One-way valve structure - Google Patents
One-way valve structure Download PDFInfo
- Publication number
- CN110296238B CN110296238B CN201910472379.9A CN201910472379A CN110296238B CN 110296238 B CN110296238 B CN 110296238B CN 201910472379 A CN201910472379 A CN 201910472379A CN 110296238 B CN110296238 B CN 110296238B
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- China
- Prior art keywords
- valve
- sealing
- valve body
- adjusting
- fluid channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a one-way valve structure, which comprises a valve body, a valve cover and a valve core, wherein one side of the valve body is provided with a liquid inlet, the other side of the valve body is provided with a liquid outlet, the middle part of the valve body is provided with an adjusting port, a communicated fluid channel is arranged between the liquid inlet and the liquid outlet, the adjusting port is communicated with the fluid channel, the middle part of the fluid channel is provided with a base station, and the valve core comprises a sealing block which is used for being in sealing butt joint; the valve core also comprises a valve rod sleeved in the piston sleeve and used for making piston motion, the top of the valve rod is abutted with a spring, a pressing sheet used for being pressed and connected to the top end of the spring is further arranged in the piston sleeve, a middle shaft hole is formed in the middle of the pressing sheet, an adjusting rod penetrates through the middle shaft hole, two pressing blocks which are respectively pressed and connected to the top and the bottom of the pressing sheet are fixed on the adjusting rod, the adjusting rod extends out of the valve cover and is connected with a nut fixed to the top of the valve cover through threads.
Description
Technical Field
The invention relates to a valve structure, in particular to a one-way valve structure.
Background
The check valve is a valve body structure that fluid can only flow along the water inlet, but the delivery port medium can't flow back, but traditional check valve just opens required fluid ejection pressure preset with the check valve when leaving the factory, and can't change at will in the course of the work, but because the change of the occasion that different check valves used, consequently often need adjust required ejection pressure, and during the adjustment, often need wholly dismantle the check valve, the reorganization, comparatively waste time and energy.
Therefore, a check valve structure which has a simple structure, is convenient to adjust the pressure to be jacked and has a good sealing effect is urgently needed.
Disclosure of Invention
The invention aims to provide a one-way valve structure which is simple in structure, enables the pressure to be jacked to be adjusted conveniently, and is good in sealing effect.
The invention provides the following technical scheme:
a check valve structure comprises a valve body, a valve cover and a valve core, wherein a liquid inlet is formed in one side of the valve body, a liquid outlet is formed in the other side of the valve body, an adjusting port is formed in the middle of the valve body, a communicated fluid channel is formed between the liquid inlet and the liquid outlet, the adjusting port is communicated with the fluid channel, a base station is arranged in the middle of the fluid channel, a through hole for fluid to pass through is formed in the middle of the base station, and the valve core comprises a sealing block which is used for being in sealing and abutting connection with the through hole; valve gap sealing connection be in adjust the mouth, still be equipped with a piston cover on the valve cover, the case still includes one set and establishes be piston motion's valve rod in the piston cover, the top butt of valve rod has a spring, still be equipped with one in the piston cover and be used for the crimping to be in the preforming on spring top, the middle part of preforming is equipped with a well shaft hole, wear to be equipped with an regulation pole in the shaft hole, be fixed with two on the regulation pole respectively the crimping is in the briquetting of preforming top and bottom, it stretches out to adjust the pole the valve cover, and with fix the nut at valve cover top passes through threaded connection.
Preferably, the valve cover is further provided with a sealing sleeve surrounding the outer side of the piston sleeve, an annular slot is formed in the bottom side of the sealing sleeve, and the sealing block is provided with a sealing ring capable of being inserted into the annular slot.
Preferably, the end part of the annular slot is provided with a sealing ring which can be abutted against the sealing ring in a fitting manner.
Preferably, an annular sealing groove is formed in the bottom side of the sealing block, and an annular sealing strip matched with the sealing groove is fixedly arranged on the base platform.
Preferably, the cross section of the sealing groove is arc-shaped, a plurality of annular first bulges are further arranged on the sealing groove along the arc-shaped cross section of the sealing groove, and a plurality of second bulges which are abutted and pressed against the first bulges are further arranged on the arc-shaped cross section of the sealing strip.
The invention has the beneficial effects that: the liquid flowing in from the liquid inlet impacts the valve core, because the valve core can overcome the acting force of the spring under the action of the water pressure, the valve core is separated from the base station, so that the liquid flows out from the liquid outlet, when the liquid is not introduced into the liquid inlet, the valve core can be pressed on the base station under the action of the spring, at the moment, the liquid flowing back from the liquid outlet can be realized due to the butting of the valve core and the base station, and because the spring is arranged between the valve core and the pressing sheet, the position of the pressing sheet connected with the adjusting rod is adjusted by rotating the adjusting rod, so that the preset ejection pressure of the spring can be adjusted, the valve is simple and convenient, and because a matched sealing sleeve and a sealing ring are also arranged between the valve seat and the valve core, a layer of sealing is added on the basis of the piston sealing of the piston sleeve and the valve core, so, the sealing effect is better, and the corrosion of liquid to the spring, the valve core and the piston sleeve is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
notation in the figure: the valve comprises a valve body 1, a valve cover 2, a valve core 3, a liquid outlet 4, a liquid inlet 5, an adjusting port 6, a fluid channel 7, a base station 8, a piston sleeve 9, a spring 10, a pressing sheet 11, an adjusting rod 12, a pressing block 13, a sealing sleeve 14, an annular slot 15, a sealing ring 16, a sealing groove 17, a second protrusion 18, a first protrusion 19 and a sealing strip 20.
Detailed Description
With reference to fig. 1 to 2, in this embodiment, the check valve structure includes a valve body 1, a valve cover 2, and a valve core 3, wherein one side of the valve body 1 is provided with a liquid inlet 5, the other side of the valve body is provided with a liquid outlet 4, and a middle portion of the valve body is provided with an adjusting port 6, a fluid passage 7 is provided between the liquid inlet 5 and the liquid outlet 4, the adjusting port 6 is communicated with the fluid passage 7, a base station 8 is provided at a middle portion of the fluid passage 7, a through hole for passing a fluid is provided at a middle portion of the base station 8, and the valve core 3 includes a sealing block for sealing and; valve gap 2 sealing connection is at adjusting mouthful 6, still be equipped with a piston cover 9 on valve gap 2, case 3 still includes one set of valve rod of doing the piston motion of establishing in piston cover 9, the top butt of valve rod has a spring 10, still be equipped with one in the piston cover 9 and be used for the crimping at the preforming 11 on spring 10 top, the middle part of preforming 11 is equipped with a well shaft hole, wear to be equipped with one in the shaft hole and adjust pole 12, be fixed with two briquetting 13 of crimping respectively at preforming 11 top and bottom on adjusting pole 12, it stretches out valve gap 2 to adjust pole 12, and pass through threaded connection with the nut of fixing at valve gap 2 top.
The valve cover 2 is also provided with a sealing sleeve 14 surrounding the outer side of the piston sleeve 9, the bottom side of the sealing sleeve 14 is provided with an annular slot 15, and the sealing block is provided with a sealing ring 16 which can be inserted into the annular slot 15.
The end of the annular slot 15 is provided with a sealing ring which can be abutted against the sealing ring 16.
The bottom side of the sealing block is provided with an annular sealing groove 17, and the base station 8 is fixedly provided with an annular sealing strip 20 matched in the sealing groove 17, so that the sealing effect between the sealing block and the base station can be enhanced.
The section of the sealing groove 17 is arc-shaped, a plurality of annular first bulges 19 are further arranged on the sealing groove 17 along the arc-shaped section of the sealing groove, a plurality of second bulges 18 which are abutted and pressed against the first bulges 19 are further arranged on the arc-shaped section of the sealing strip, the first bulges and the second bulges are made of elastic sealing rubber materials, and therefore the sealing effect can be enhanced through extrusion sealing between the second bulges 18 of each first bulge 19.
The working principle of the invention is as follows: the liquid flowing in from the liquid inlet 5 impacts the valve core, because the action of the water pressure can make the valve core overcome the acting force of the spring, make the valve core break away from the base station 8, thus the liquid flows out from the liquid outlet 4, and when no more liquid is introduced into the liquid inlet 5, the valve core 3 can be pressed on the base station under the action of the spring 10, at this moment, the liquid flowing back from the liquid outlet 4, because the butt joint of the valve core 3 and the base station 8, the unidirectional flow of the liquid can be realized, and because the spring 10 is set between the valve core 3 and the pressure plate 11, through rotating the adjusting rod 12, adjust the position of the pressure plate connected with the adjusting rod, thus can adjust the ejecting pressure preset by the spring 10, it is simpler and more convenient, and because a matched sealing sleeve 14 and a sealing ring 16 are also set between the valve seat and the valve core, thus on the basis of piston sealing of the piston sleeve and the valve core, a, the sealing effect is better, and the corrosion of liquid to the spring, the valve core and the piston sleeve is avoided.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A one-way valve structure is characterized by comprising a valve body, a valve cover and a valve core, wherein one side of the valve body is provided with a liquid inlet, the other side of the valve body is provided with a liquid outlet, the middle part of the valve body is provided with an adjusting port, a communicated fluid channel is arranged between the liquid inlet and the liquid outlet, the adjusting port is communicated with the fluid channel, the middle part of the fluid channel is provided with a base station, the middle part of the base station is provided with a through hole for fluid to pass through, and the valve core comprises a sealing block which is used for being in sealing and abutting joint with;
the valve cover is connected with the adjusting opening in a sealing manner, the valve cover is also provided with a piston sleeve, the valve core also comprises a valve rod which is arranged in the piston sleeve and moves as a piston, the top of the valve rod is abutted with a spring, the piston sleeve is also internally provided with a pressing sheet which is pressed on the top end of the spring, the middle part of the pressing sheet is provided with a middle shaft hole, an adjusting rod is arranged in the middle shaft hole in a penetrating manner, the adjusting rod is fixedly provided with two pressing blocks which are respectively pressed on the top and the bottom of the pressing sheet, the adjusting rod extends out of the valve cover and is connected with a nut fixed on the top of the valve cover through threads, the bottom side of the sealing block is provided with an annular sealing groove, the base station is fixedly provided with an annular sealing strip which is matched in the sealing groove, the cross section of the sealing groove is arc-shaped, and the sealing groove is also provided with, and the circular arc-shaped cross section of the sealing strip is also provided with a plurality of second bulges which are abutted and pressed with the first bulges.
2. The check valve structure of claim 1, wherein the valve cover further comprises a sealing sleeve surrounding the piston sleeve, the sealing sleeve is provided with an annular slot at a bottom side thereof, and the sealing block is provided with a sealing ring insertable into the annular slot.
3. A check valve arrangement as claimed in claim 2, wherein the annular slot is provided at its end with a sealing ring adapted to engage against the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472379.9A CN110296238B (en) | 2019-05-31 | 2019-05-31 | One-way valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472379.9A CN110296238B (en) | 2019-05-31 | 2019-05-31 | One-way valve structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110296238A CN110296238A (en) | 2019-10-01 |
| CN110296238B true CN110296238B (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472379.9A Active CN110296238B (en) | 2019-05-31 | 2019-05-31 | One-way valve structure |
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| Country | Link |
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| CN (1) | CN110296238B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059318A (en) * | 2020-08-04 | 2022-02-18 | 青岛海尔滚筒洗衣机有限公司 | Case structure, centrifugal valve and washing machine |
| CN114517754B (en) * | 2022-02-16 | 2023-04-07 | 一汽解放汽车有限公司 | Switch valve |
| CN114673812A (en) * | 2022-03-10 | 2022-06-28 | 上海迹冷制冷设备有限公司 | Condensing pressure regulating valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203718052U (en) * | 2013-12-17 | 2014-07-16 | 铜陵新创流体科技有限公司 | Inner drum check valve structure |
| CN205896298U (en) * | 2016-07-15 | 2017-01-18 | 张�杰 | Novel sewage lift check valve |
| CN107387820A (en) * | 2017-09-12 | 2017-11-24 | 惠州市欧野科技有限公司 | A kind of leakproof check valve apparatus |
| CN208397317U (en) * | 2018-07-06 | 2019-01-18 | 杭州富阳良工仪表有限公司 | A kind of self-operated type micropressure valve |
| CN109340416A (en) * | 2018-12-13 | 2019-02-15 | 阜宁县元丰泵业有限公司 | A kind of pump outlet check-valves being easily installed |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050166971A1 (en) * | 2004-01-31 | 2005-08-04 | Gennady Arov | Y-pattern piston check valve, piston valve assembly for a Y-pattern piston check valve, and method |
| CN203335949U (en) * | 2013-07-02 | 2013-12-11 | 温州蓝天管件阀门有限公司 | Lifting type check valve |
| JP6015957B2 (en) * | 2013-10-30 | 2016-10-26 | Ｊｆｅスチール株式会社 | Check valve |
| CN204372240U (en) * | 2014-11-28 | 2015-06-03 | 大丰市南亚阀门有限公司 | Multifunctional non-return valve |
-
2019
- 2019-05-31 CN CN201910472379.9A patent/CN110296238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203718052U (en) * | 2013-12-17 | 2014-07-16 | 铜陵新创流体科技有限公司 | Inner drum check valve structure |
| CN205896298U (en) * | 2016-07-15 | 2017-01-18 | 张�杰 | Novel sewage lift check valve |
| CN107387820A (en) * | 2017-09-12 | 2017-11-24 | 惠州市欧野科技有限公司 | A kind of leakproof check valve apparatus |
| CN208397317U (en) * | 2018-07-06 | 2019-01-18 | 杭州富阳良工仪表有限公司 | A kind of self-operated type micropressure valve |
| CN109340416A (en) * | 2018-12-13 | 2019-02-15 | 阜宁县元丰泵业有限公司 | A kind of pump outlet check-valves being easily installed |
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| Publication number | Publication date |
|---|---|
| CN110296238A (en) | 2019-10-01 |
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