CN205859263U - Lift check valve - Google Patents
Lift check valve Download PDFInfo
- Publication number
- CN205859263U CN205859263U CN201620829322.1U CN201620829322U CN205859263U CN 205859263 U CN205859263 U CN 205859263U CN 201620829322 U CN201620829322 U CN 201620829322U CN 205859263 U CN205859263 U CN 205859263U
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- China
- Prior art keywords
- valve
- flap
- binary link
- lift check
- valve rod
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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.)
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Abstract
The utility model discloses a kind of lift check valve.The technical solution of the utility model is: include valve body and valve gap, 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.The lift check valve that this utility model provides is quick on the draw, and flap lifting rapidly and is prevented from during flap motion shaking and rotating, and extends the service life of lift check valve.
Description
Technical field
This utility model 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 falling
Stream, prevent pump and drive motor reversion, and the releasing of vessel media.Lift check valve refers to that flap is vertical along valve body
The check-valves that centrage slides, lift check valve can be only installed on horizontal pipe, flap on high-pressure small-bore check-valves
Ball can be used.The valve body shapes of lift check valve is (can be general with stop valve) as stop valve, therefore its fluid resistance
Force 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, 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,
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 most fast
Speed, and flap is susceptible to fork clip, another is exactly that the flow media in valve body is in an unsure state, and can cause flap
The situation that double swerve and rotation occur in lifting process occurs, so will result in the Fast Wearing of valve rod and flap,
Reduce the service life of lift check valve.
Utility model content
The deficiency existed for prior art, main purpose of the present utility model is to provide one to be quick on the draw, flap
Lifting rapidly and is prevented from the lift check valve shaking and rotating during flap motion.
For achieving the above object, this utility model provides following technical scheme: 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, be provided with intake channel in described valve body and outlet is logical
Road, described valve body is provided with valve seat in the side of intake channel, is provided with connect with described intake channel logical in described valve seat
Road, is provided with the flap cooperated with described valve seat in described valve body, the upper end of described flap connects valve rod, described valve gap
Inner side is provided with valve stem sleeve, and described valve stem sleeve is provided with chute, and slide and arrange in chute in the upper end of described valve rod, described flap
On be respectively arranged with the first Magnet in the both sides of valve rod, the bottom of described valve stem sleeve is provided with and attracts each other with described first Magnet
The second Magnet, described valve rod is provided with binary link, described binary link relative to valve rod the other end respectively with valve interior wall paste
Closing, described valve interior wall offers the holding tank that can accommodate binary link respectively, the upper end of described two holding tanks is provided with rubber
Glueballs.
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, described spring
The other end 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 °.
This utility model has the advantage that relative to prior art, the first Magnet and second attracted each other by setting
Magnet makes flap can quickly rise when being backed down by fluid, the first Magnet and the attraction each other of the second magnet
Power enables to flap and rises faster, can quickly open such that check-valves is swift in response；On the other hand, binary link
Dropping on valve seat with the quickening flap that is designed to of holding tank, its work process is, binary link is rising, when two along with valve rod
The end of secondary bar and the top of two holding tanks are supported after setting, because the setting of ball, it is anti-that ball can be applied to two valve rod one
Active force, when being stopped by the fluid of intake channel, flap can decline, and at this moment binary link will be under the active force of ball
Being ejected, binary link band ovable valve stem accelerates to decline so that the shut-in time of check-valves also can shorten；To sum up, of the present utility model
Lift check valve on the response time very fast fast.The setting of binary link simultaneously may also operate as preventing valve rod or valve
The situation that lobe rotates, 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 utility model；
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 utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in drawings, a kind of lift check valve, including valve body 1 and valve gap 2, passes through bolt between valve body 1 and valve gap 2
Connecting with nut, be provided with intake channel 3 and exit passageway in valve body 1, valve body 1 is provided with valve seat in the side of intake channel 3
6, it is provided with the passage 5 connected with described intake channel 3 in valve seat 6, in valve body 1, is provided with the flap cooperated with valve seat 6
7, the upper end of flap 7 connects valve rod 8, is provided with valve stem sleeve 9, valve stem sleeve 9 is provided with chute 10 inside valve gap 2, valve rod 8
Sliding and arrange in chute 10 in upper end, on flap 7, the both sides at valve rod 8 are respectively arranged with the first Magnet 11, and the bottom of valve stem sleeve 9 sets
It is equipped with the second Magnet 12 attracted each other with described first Magnet 11, valve rod 8 is provided with binary link 13, the relative valve of binary link 13
The other end of bar 8 is fitted with valve body 1 inwall respectively, and valve body 1 inwall offers the holding tank that can accommodate binary link 13 respectively
14, the upper end of two holding tanks 14 is provided with ball 15.
The operation principle of lift check valve of the present utility model is, the first Magnet 11 attracted each other by setting and
Two Magnet 12 make flap 7 can quickly rise when being backed down by fluid, the first Magnet 11 and the second magnet mutually it
Between captivation enable to flap 7 and rise faster, can quickly open such that check-valves is swift in response；The opposing party
The quickening flap 7 that is designed to of face, binary link 13 and holding tank 14 drops on valve seat 6, and its work process is, binary link 13 exists
Along with valve rod 8 rises, 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, rubber
Glueballs 15 can be applied to 8 one counteracting forces of two valve rods, and when being stopped by the fluid of intake channel 3, flap 7 can decline, this
Time binary link 13 will be ejected under the active force of ball 15, binary link 13 band ovable valve stem 8 accelerate decline so that check-valves
Shut-in time also can shorten；To sum up, lift check valve of the present utility model on the response time very fast fast.Simultaneously
The setting of binary link 13 may also operate as the situation preventing valve rod 8 or flap 7 from rotating, and binary link 13 enhances propping up of valve rod 8
Support force, decreases valve rod 8 rocking during raising and lowering, reduces valve rod 8 and the abrasion of flap 7, extends non-return
The service life of valve.
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, described spring
The inwall that the other end of 16 overlaps with valve rod 8 supports to set and is connected.The effect of spring 16 is also for increasing the flap 7 bullet when replying
Power, 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
It is the abrasion in order to reduce secondary bar 13, extends the service life of secondary bar 13, simultaneously being designed to gum cover 17 and ball 15
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
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 be in order to
Fluid is avoided to enter 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,
The service life making 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 valve rod 8 is upper
When rising and decline, the power that is subject to everywhere evenly, reduces rocking of valve rod 8 and flap 7 bottom it.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, without departing from the some improvement under this utility model principle premise and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a lift check valve, including valve body and valve gap, is connected by screw bolt and nut between described valve body and valve gap, institute
Being provided with intake channel and exit passageway in stating valve body, described valve body is provided with valve seat, described valve seat in the side of intake channel
Inside it is provided with the passage connected with described intake channel, in described valve body, is provided with the flap cooperated with described valve seat, institute
The upper end connection stating flap has valve rod, is provided with valve stem sleeve, described valve stem sleeve is provided with chute, described valve inside described valve gap
Slide and arrange in chute in the upper end of bar, it is characterised in that: on described flap, the both sides at valve rod are respectively arranged with the first Magnet, institute
The bottom stating valve stem sleeve is provided with the second Magnet attracted each other with described first Magnet, and described valve rod is provided with binary link,
Described binary link is fitted with valve interior wall respectively relative to the other end of valve rod, described valve interior wall offers and can accommodate respectively
The holding tank of binary link, 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: it is 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: another relative to valve rod on described binary link
One end 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 and valve-stem integrated molding
Arrange.
A kind of lift check valve the most according to claim 2, it is characterised in that: contact with valve seat set on described valve rod
Part 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 |
|---|---|---|---|
| CN201620829322.1U CN205859263U (en) | 2016-08-03 | 2016-08-03 | Lift check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829322.1U CN205859263U (en) | 2016-08-03 | 2016-08-03 | Lift check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859263U true CN205859263U (en) | 2017-01-04 |
Family
ID=57653499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620829322.1U Active CN205859263U (en) | 2016-08-03 | 2016-08-03 | Lift check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972274A (en) * | 2016-08-03 | 2016-09-28 | 氟络塞尔特种阀门(苏州)有限公司 | Lift check valve |
| CN108916431A (en) * | 2018-09-19 | 2018-11-30 | 中国石油化工股份有限公司胜利油田分公司清河采油厂 | Lift check valve for oil field fuel transfer system |
-
2016
- 2016-08-03 CN CN201620829322.1U patent/CN205859263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972274A (en) * | 2016-08-03 | 2016-09-28 | 氟络塞尔特种阀门(苏州)有限公司 | Lift check valve |
| CN108916431A (en) * | 2018-09-19 | 2018-11-30 | 中国石油化工股份有限公司胜利油田分公司清河采油厂 | Lift check valve for oil field fuel transfer system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |