CN2103057U - Roll-over plate valve - Google Patents
Roll-over plate valve Download PDFInfo
- Publication number
- CN2103057U CN2103057U CN 91223431 CN91223431U CN2103057U CN 2103057 U CN2103057 U CN 2103057U CN 91223431 CN91223431 CN 91223431 CN 91223431 U CN91223431 U CN 91223431U CN 2103057 U CN2103057 U CN 2103057U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- slippage
- seal
- valve body
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a flap valve, sealing rings are arranged on both sides of the through hole of a butterfly valve plate and a blind hole, the butterfly valve plate is supported on the axis of the valve plate by a sliding sleeve, and the valve plate can axially slide. A one-sided compaction mechanism make a sliding sealed body constrict or loose to the valve plate, the sealed body is connected with the valve body by the sealed elastic element of a bellow, and the axially sliding when the valve plate is switched is controlled by a control mechanism. The utility model is suitable for the valve of low-pressure gas pipes.
Description
The utility model relates to a kind of Flap valve, specifically a kind of having sealing surface separately or the Flap valve of coarctate special device.
Flap valve is a kind of industrial gate valve commonly used, and along sealing plane motion, this motion is generally driven by the motor-driven or man-operated mechanism that is located at the valve body outside its valve plate in closing the process of opening, and also has one sealing surface separately or coarctate device.The applicant is disclosed a kind of motor-driven Flap valve in the patent of CN90222034.9, respectively establishes a slip ring on the valve seat of the both sides of Flap valve, and slip ring is provided with seal ring, and slip ring mobile makes sealing surface separately or force together.A major defect of this valve is the replacing that this structural design is unfavorable for seal ring.
The purpose of this utility model is that to disclose a kind of usability good and seal ring is changed Flap valve easily.
The utility model adopts following structural design scheme:
1, seal ring is located on the sealing station of butterfly valve plate through hole and blind hole both sides;
2, a valve plate and a sliding sleeve are connected, and this sliding sleeve frame is held on the valve shaft, and leave and move axially the gap;
3, an one-sided hold-down mechanism is located on the valve of valve plate one side, it comprises the oil cylinder that a valve body axially is provided with, this oil cylinder pressurized operation direction is the direction of unclamping of hold-down mechanism, cylinder body and valve body are connected, cylinder rod is connected with the slippage seal, is provided with spring between the outer end of oil cylinder plunger rod and cylinder body, also comprises a sylphon seal elastic element, this bellows one end and the sealing of valve center tube are connected, and the other end and the sealing of slippage seal are connected.
Described compressed oil cylinder is uniform to be arranged on the valve body.
Seal ring and valve body are thrown off when rotating for the assurance valve plate, do not rub, also be provided with a valve plate slippage control mechanism in this Flap valve, the concavo-convex engaging mechanism that comprises a band gap, be located between the slippage seal of valve plate sliding sleeve and valve body, when hold-down mechanism was in impaction state, a side of described engaging mechanism was in engagement, opposite side leaves the gap, and gap value is 1/2 of a described slippage seal translational movement.
When need closing, opens when rotating valve plate, the oil cylinder oil-feed of hold-down mechanism, the slippage seal overcomes the elastic force slippage of oil cylinder spring and bellows, sealing surface is unclamped, when the slippage of slippage seal reaches capacity rating 1/2, concavo-convex engaging mechanism in the valve plate slippage control mechanism begins to move with drive valve plate in the opposite side engagement, makes valve plate both sides and valve body all keep the gap at last, and valve plate rotates then.Hold-down mechanism oil cylinder release after rotateing in place, the slippage seal compresses to valve plate, with the seal ring sealing on blind hole or the through hole.
The utility model adopts the hold-down mechanism of one-sided setting, and structure is simpler, and the set-up mode of seal ring makes its replacing operation become very convenient, and good airproof performance is easy to realize mobile operation, is suitable as various low-pressure gas pipeline valves.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the plan view of Flap valve.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the B-B view of Fig. 1.
Valve plate 1 is butterfly among the figure, be provided with through hole 2 and blind hole 3 above, seal ring 4 is located in the seal groove of two sides, two holes, the commentaries on classics hole of valve plate 1 cooperates with sliding sleeve 5 and is connected, sliding sleeve 5 is held on the valve shaft 7 through 6 of copper sheathings, valve plate driving arm 8 cooperates with sliding sleeve 5 and is connected, and drives through driving oil cylinder 9 push-and-pulls, also can adopt manually or alternate manner drives.Sliding sleeve 5 leaves the axial motion gap.Have 10, one projections of groove 11 and the engagement of one side on the sliding sleeve 5, opposite side leaves the gap, and the slippage seal 13 on this projection 11 and the valve body 12 is connected.The also commutative setting in the concavo-convex position of this mechanism.Bellow type spring 14, one end and 13 sealings of slippage seal are connected, and center tube 15 sealings on the other end and the valve body 12 are connected, and make slippage seal 13 bear uniformly axially elastic force and form and seal.The cylinder body 16 and the valve body 12 of compressed oil cylinder 20 are connected, and the outer end of plunger rod 17 and slippage seal 13 are affixed, are provided with spring 18 in the middle of the plunger rod.Adopt six uniform compressed oil cylinders 20 to form a hold-down mechanism in the present embodiment.
Described seal ring 4 can use nonmetal seal ring or elastic metallic seal ring, can use nitrile butadiene rubber under the normal temperature, can use fluorine rubber, asbestos or elastic metallic seal ring under the hot environment.
Plunger rod 17 drive slippage seals 13 overcome the elastic force of spring 18 and bellows springs 14 to unclamping the direction motion during oil circuit pressurization.Projection 11 moves in groove 10, moves past behind the gap and the engagement of groove 10 opposite sides, drives valve plate 1 and moves, and valve plate 1 always has a hole (through hole or blind hole) to be in outside the valve body, makes the replacing of seal ring 4 very convenient.
Claims (4)
1, a kind of Flap valve is made up of valve plate, valve body, valve plate rotating mechanism, has the slippage seal on the valve body, it is characterized in that:
(1), on the sealing station of the through hole of valve plate and blind hole both sides, seal ring is set;
(2), valve plate and a sliding sleeve be connected, this sliding sleeve frame is held on the valve shaft, and leaves axial sliding clearance;
(3), an one-sided slippage seal is connected with valve body through a hold-down mechanism, described hold-down mechanism comprises a compressed oil cylinder, the cylinder body of this oil cylinder is connected with valve body, oil cylinder plunger rod outer end is connected with the slippage seal, be provided with spring between plunger rod outer end and cylinder body, also comprise a sylphon seal elastic element, this bellows one end and the sealing of valve body center tube are connected, and the other end and the sealing of slippage seal are connected.
2,, it is characterized in that described hold-down mechanism is made up of one group of compressed oil cylinder uniform on valve body by the described Flap valve of claim 1.
3, by claim 1 or 2 described Flap valves, it is characterized in that described Flap valve is provided with the concavo-convex engagement slippage control mechanism of a band gap between its valve plate sliding sleeve and slippage seal, when hold-down mechanism was in impaction state, a side clearance amount of described engaging mechanism was 1/2 of the specified slippage of slippage seal.
4, by claim 1 or 2 or 3 described Flap valves, it is characterized in that described valve plate rotating mechanism is a push-and-pull rod-type automotive vehicles structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91223431 CN2103057U (en) | 1991-08-22 | 1991-08-22 | Roll-over plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91223431 CN2103057U (en) | 1991-08-22 | 1991-08-22 | Roll-over plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2103057U true CN2103057U (en) | 1992-04-29 |
Family
ID=4930112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91223431 Expired - Lifetime CN2103057U (en) | 1991-08-22 | 1991-08-22 | Roll-over plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2103057U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013697A (en) * | 2017-05-17 | 2017-08-04 | 无锡爱信机械科技有限公司 | A kind of precise metering valve |
| 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 |
| CN110657253A (en) * | 2019-11-01 | 2020-01-07 | 淮阴工学院 | Eye valve with long service life |
-
1991
- 1991-08-22 CN CN 91223431 patent/CN2103057U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013697A (en) * | 2017-05-17 | 2017-08-04 | 无锡爱信机械科技有限公司 | A kind of precise metering valve |
| CN107013697B (en) * | 2017-05-17 | 2022-12-09 | 无锡爱信机械科技有限公司 | Precise metering valve |
| 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 |
| CN109667942B (en) * | 2018-12-24 | 2020-08-25 | 氟络塞尔特种阀门(苏州)有限公司 | Manual valve convenient to open and close |
| CN110657253A (en) * | 2019-11-01 | 2020-01-07 | 淮阴工学院 | Eye valve with long service life |
| CN110657253B (en) * | 2019-11-01 | 2021-02-19 | 淮阴工学院 | Eye valve with long service life |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |