CN105972274A - Lift check valve - Google Patents
Lift check valve Download PDFInfo
- Publication number
- CN105972274A CN105972274A CN201610625624.1A CN201610625624A CN105972274A CN 105972274 A CN105972274 A CN 105972274A CN 201610625624 A CN201610625624 A CN 201610625624A CN 105972274 A CN105972274 A CN 105972274A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- lift check
- flap
- binary link
- 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.)
- Pending
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Classifications
-
- 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
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a lift check valve. According to the technical scheme, the lift check valve comprises a valve body and a valve deck, a valve rod sleeve is arranged on the inner side of the valve deck, a sliding chute is formed in the valve rod sleeve, the upper end of a valve rod is arranged in the sliding chute in a sliding mode, first magnets are arranged on a valve clack and located on the two sides of the valve rod respectively, and second magnets attracted to the first magnets are arranged on the lower portion of the valve rod sleeve; two auxiliary rods are arranged on the valve rod, the other ends, opposite to the valve rod, of the two auxiliary rods are attached to the inner wall of the valve body, accommodating grooves capable of accommodating the two auxiliary rods respectively are formed in the inner wall of the valve rod, and a rubber ball is arranged at the upper end of each accommodating groove. The lift check valve is sensitive in reaction, the valve clack can rise and fall quickly, shaking and rotation of the valve clack can be prevented during movement, and the service life of the lift check valve is prolonged.
Description
Technical field
The present invention relates to valve technology field, particularly to a kind of lift check valve.
Background technology
Check-valves refers to rely on medium itself to flow and automatic open and close flap, is used for the valve preventing medium from flowing backwards, also known as non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, and its Main Function is to prevent medium from flowing backwards, prevent pump and drive motor reversion, and the releasing of vessel media.Lift check valve refers to the check-valves that flap slides along valve body vertical center line, and lift check valve can be only installed on horizontal pipe, and on high-pressure small-bore check-valves, flap can use ball.The valve body shapes of lift check valve is (can be general with stop valve) as stop valve, and therefore its Flow Resistant Coefficient is bigger.Its structure is similar to stop valve, and valve body is identical with stop valve with flap.Flap top and bonnet lower are machined with fairlead letter, and flap guides letter and can be freely lifted in valve small cup guides letter, and when medium following current, flap is opened by medium thrust, and when medium arrheas, flap, by dropping on valve seat from hanging down, plays prevention medium counter flow effect.
The problem one that the lift check valve of prior art exists is check-valves delay of response, i.e. flap lifting is the rapidest, and flap is susceptible to fork clip, another is exactly that the flow media in valve body is in an unsure state, flap can be caused to occur the situation of double swerve and rotation to occur in lifting process, so will result in the Fast Wearing of valve rod and flap, reduce the service life of lift check valve.
Summary of the invention
The deficiency existed for prior art, present invention is primarily targeted at offer one and is quick on the draw, and flap lifting rapidly and is prevented from the lift check valve shaking and rotating during flap motion.
nullFor achieving the above object，The technical scheme is that a kind of lift check valve，Including valve body and valve gap，Connected by screw bolt and nut between described valve body and valve gap，Intake channel and exit passageway it is provided with in described valve body，Described valve body is provided with valve seat in the side of intake channel，The passage connected with described intake channel it is provided with in described valve seat，The flap cooperated with described valve seat it is provided with in described valve body，The upper end of described flap connects valve rod，It is provided with valve stem sleeve inside described valve gap，It is provided with chute on described valve stem sleeve，Slide and arrange in chute in the upper end of described valve rod，On described flap, the both sides at valve rod are respectively arranged with the first Magnet，The bottom of described valve stem sleeve is provided with the second Magnet attracted each other with described first Magnet，It is provided with binary link on described valve rod，Described binary link is fitted with valve interior wall respectively relative to the other end of valve rod，The holding tank that can accommodate binary link respectively is offered on described valve interior wall，The upper end of described two holding tanks is provided with ball.
Preferably, being provided with spring in described valve stem sleeve, one end of described spring is supported to set with valve rod and is connected, and the other end of described spring supports to set with the inwall of valve stem sleeve and is connected.
Preferably, described binary link is respectively provided with rubber sleeve relative to the other end of valve rod.
Preferably, described binary link is arranged with valve-stem integrated molding.
Preferably, the part described valve rod contacted with valve seat set is provided with sealing member.
Preferably, the angle between described binary link is 180 °.
The present invention has the advantage that relative to prior art, the first Magnet attracted each other by setting and the second Magnet make flap can quickly rise when being backed down by fluid, first Magnet and the second magnet captivation each other enable to flap and rise faster, can quickly open such that check-valves is swift in response；On the other hand, the quickening flap that is designed to of binary link and holding tank drops on valve seat, its work process is, binary link is rising along with valve rod, after the end of binary link and the top of two holding tanks are supported and are set, because the setting of ball, ball can be applied to one counteracting force of two valve rods, when being stopped by the fluid of intake channel, flap can decline, at this moment binary link will be ejected under the active force of ball, and binary link band ovable valve stem accelerates to decline so that the shut-in time of check-valves also can shorten；To sum up, the lift check valve of the present invention on the response time very fast fast.The setting of binary link simultaneously may also operate as the situation preventing valve rod or flap from rotating, and binary link enhances the support force of valve rod, decreases valve rod rocking during raising and lowering, reduces the abrasion of valve rod and flap, extends the service life of check-valves.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of lift check valve of the present invention；
Fig. 2 is A portion enlarged diagram in Fig. 1.
In figure: 1, valve body；2, valve gap；3, intake channel；4, exit passageway；5, passage；6, valve seat；7, flap；8, valve rod；9, valve stem sleeve；10, chute；11, the first Magnet；12, the second Magnet；13, secondary bar；14, holding tank；15, ball；16, spring；17, rubber sleeve；18, sealing member.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
nullAs shown in drawings，A kind of lift check valve，Including valve body 1 and valve gap 2，Connected by screw bolt and nut between valve body 1 and valve gap 2，Intake channel 3 and exit passageway it is provided with in valve body 1，Valve body 1 is provided with valve seat 6 in the side of intake channel 3，The passage 5 connected with described intake channel 3 it is provided with in valve seat 6，The flap 7 cooperated with valve seat 6 it is provided with in valve body 1，The upper end of flap 7 connects valve rod 8，Valve stem sleeve 9 it is provided with inside valve gap 2，Chute 10 it is provided with on valve stem sleeve 9，Slide and arrange in chute 10 in the upper end of valve rod 8，On flap 7, the both sides at valve rod 8 are respectively arranged with the first Magnet 11，The bottom of valve stem sleeve 9 is provided with the second Magnet 12 attracted each other with described first Magnet 11，Binary link 13 it is provided with on valve rod 8，The other end of the relative valve rod 8 of binary link 13 is fitted with valve body 1 inwall respectively，The holding tank 14 that can accommodate binary link 13 respectively is offered on valve body 1 inwall，The upper end of two holding tanks 14 is provided with ball 15.
The operation principle of the lift check valve of the present invention is, the first Magnet 11 and the second Magnet 12 that are attracted each other by setting make flap 7 can quickly rise when being backed down by fluid, first Magnet 11 and the second magnet captivation each other enable to flap 7 and rise faster, can quickly open such that check-valves is swift in response；On the other hand, the quickening flap 7 that is designed to of binary link 13 and holding tank 14 drops on valve seat 6, its work process is, binary link 13 is rising along with valve rod 8, after the end of binary link 13 and the top of two holding tanks 14 are supported and are set, because the setting of ball 15, ball 15 can be applied to 8 one counteracting forces of two valve rods, when being stopped by the fluid of intake channel 3, flap 7 can decline, at this moment binary link 13 will be ejected under the active force of ball 15, and binary link 13 band ovable valve stem 8 accelerates to decline so that the shut-in time of check-valves also can shorten；To sum up, the lift check valve of the present invention on the response time very fast fast.The setting of binary link 13 simultaneously may also operate as the situation preventing valve rod 8 or flap 7 from rotating, binary link 13 enhances the support force of valve rod 8, decrease valve rod 8 rocking during raising and lowering, reduce valve rod 8 and the abrasion of flap 7, extend the service life of check-valves.
Preferably, valve rod 8 is provided with spring 16 in overlapping, and one end of described spring 16 is supported to set with valve rod 8 and is connected, and the inwall that the other end of described spring 16 overlaps with valve rod 8 supports to set and is connected.The effect of spring 16 is also for increasing the flap 7 elastic force when replying, it is possible to flap 7 and valve rod 8 are hurtled down, accelerates the shut-in time of check-valves.
Further, binary link 13 is respectively provided with rubber sleeve 17 relative to the other end of valve rod 8.The effect of rubber sleeve 17 is the abrasion in order to reduce secondary bar 13, extends the service life of secondary bar 13, simultaneously by gum cover 17 and ball 15 be designed to increase the lower thrust to valve rod 8.
Preferably, described binary link 13 and the one-body molded setting of valve rod 8, the most not only can save manufacturing process, and the bonding strength between binary link 13 and valve rod 8 is also obtained guarantee.
It addition, the part contacted with valve seat 6 set on described valve rod 8 is provided with sealing member 18.So purpose of design is in order to avoid fluid enters in valve stem sleeve 9 so that the spring 16 in valve stem sleeve 9 is from the erosion of fluid, it is ensured that the performance of spring 16 so that the service life of spring 16 extends.Sealing member 18 is preferably as quality of rubber materials.
Preferably, the angle between described binary link 13 is 180 °.The purpose so arranged is so that the power that is subject to everywhere bottom it when raising and lowering of valve rod 8 evenly, reduces rocking of valve rod 8 and flap 7.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
- null1. a lift check valve，Including valve body and valve gap，Connected by screw bolt and nut between described valve body and valve gap，Intake channel and exit passageway it is provided with in described valve body，Described valve body is provided with valve seat in the side of intake channel，The passage connected with described intake channel it is provided with in described valve seat，The flap cooperated with described valve seat it is provided with in described valve body，The upper end of described flap connects valve rod，It is provided with valve stem sleeve inside described valve gap，It is provided with chute on described valve stem sleeve，Slide and arrange in chute in the upper end of described valve rod，It is characterized in that: on described flap, the both sides at valve rod are respectively arranged with the first Magnet，The bottom of described valve stem sleeve is provided with the second Magnet attracted each other with described first Magnet，It is provided with binary link on described valve rod，Described binary link is fitted with valve interior wall respectively relative to the other end of valve rod，The holding tank that can accommodate binary link respectively is offered on described valve interior wall，The upper end of described two holding tanks is provided with ball.
- A kind of lift check valve the most according to claim 1, it is characterised in that: being provided with spring in described valve stem sleeve, one end of described spring is supported to set with valve rod and is connected, and the other end of described spring supports to set with the inwall of valve stem sleeve and is connected.
- A kind of lift check valve the most according to claim 1, it is characterised in that: on described binary link, the other end relative to valve rod is respectively provided with rubber sleeve.
- A kind of lift check valve the most according to claim 1, it is characterised in that: described binary link is arranged with valve-stem integrated molding.
- A kind of lift check valve the most according to claim 2, it is characterised in that: the part contacted with valve seat set on described valve rod is provided with sealing member.
- A kind of lift check valve the most according to claim 1, it is characterised in that: the angle between described binary link is 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625624.1A CN105972274A (en) | 2016-08-03 | 2016-08-03 | Lift check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625624.1A CN105972274A (en) | 2016-08-03 | 2016-08-03 | Lift check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105972274A true CN105972274A (en) | 2016-09-28 |
Family
ID=56951274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610625624.1A Pending CN105972274A (en) | 2016-08-03 | 2016-08-03 | Lift check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105972274A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131330A (en) * | 2017-05-29 | 2017-09-05 | 罗显平 | A kind of gravity one-way cock and its application method |
| CN107514491A (en) * | 2017-10-11 | 2017-12-26 | 苏州科迪流体控制设备有限公司 | A kind of safe adverse current valve body for avoiding liquid liquid from flowing backwards |
| CN109667942A (en) * | 2018-12-24 | 2019-04-23 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of manually-operated gate being convenient for opening and closing |
| CN111486239A (en) * | 2020-04-22 | 2020-08-04 | 温州市百级机械制造有限公司 | Valve with two functions of stop valve and check valve |
| CN113932048A (en) * | 2021-12-14 | 2022-01-14 | 常州桃花电器有限公司 | One-way valve with liquid discharge port capable of being adjusted and controlled in multiple directions |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563137A (en) * | 2011-12-16 | 2012-07-11 | 杭州春江阀门有限公司 | Energy-saving check valve |
| CN203023725U (en) * | 2012-12-27 | 2013-06-26 | 芜湖东旭光电科技有限公司 | Horizontal pipeline backflow preventing device |
| US20140103234A1 (en) * | 2008-03-27 | 2014-04-17 | Fabian Mauricio Barreda | Airflow regulating valve assembly |
| CN203670919U (en) * | 2013-12-27 | 2014-06-25 | 西安航天远征流体控制股份有限公司 | Long-distance transmission one-way flow valve |
| CN103899800A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Lifting check valve |
| CN104500791A (en) * | 2014-12-17 | 2015-04-08 | 天津市滨海奥杰阀门有限公司 | Power-assistance lift check valve |
| CN205859263U (en) * | 2016-08-03 | 2017-01-04 | 氟络塞尔特种阀门(苏州)有限公司 | Lift check valve |
-
2016
- 2016-08-03 CN CN201610625624.1A patent/CN105972274A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140103234A1 (en) * | 2008-03-27 | 2014-04-17 | Fabian Mauricio Barreda | Airflow regulating valve assembly |
| CN102563137A (en) * | 2011-12-16 | 2012-07-11 | 杭州春江阀门有限公司 | Energy-saving check valve |
| CN203023725U (en) * | 2012-12-27 | 2013-06-26 | 芜湖东旭光电科技有限公司 | Horizontal pipeline backflow preventing device |
| CN203670919U (en) * | 2013-12-27 | 2014-06-25 | 西安航天远征流体控制股份有限公司 | Long-distance transmission one-way flow valve |
| CN103899800A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Lifting check valve |
| CN104500791A (en) * | 2014-12-17 | 2015-04-08 | 天津市滨海奥杰阀门有限公司 | Power-assistance lift check valve |
| CN205859263U (en) * | 2016-08-03 | 2017-01-04 | 氟络塞尔特种阀门(苏州)有限公司 | Lift check valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131330A (en) * | 2017-05-29 | 2017-09-05 | 罗显平 | A kind of gravity one-way cock and its application method |
| CN107514491A (en) * | 2017-10-11 | 2017-12-26 | 苏州科迪流体控制设备有限公司 | A kind of safe adverse current valve body for avoiding liquid liquid from flowing backwards |
| CN109667942A (en) * | 2018-12-24 | 2019-04-23 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of manually-operated gate being convenient for opening and closing |
| CN111486239A (en) * | 2020-04-22 | 2020-08-04 | 温州市百级机械制造有限公司 | Valve with two functions of stop valve and check valve |
| CN113932048A (en) * | 2021-12-14 | 2022-01-14 | 常州桃花电器有限公司 | One-way valve with liquid discharge port capable of being adjusted and controlled in multiple directions |
| CN113932048B (en) * | 2021-12-14 | 2022-02-25 | 常州桃花电器有限公司 | One-way valve with liquid discharge port capable of being adjusted and controlled in multiple directions |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160928 |
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| WD01 | Invention patent application deemed withdrawn after publication |