CN208057968U - A kind of butterfly valve of good seal performance - Google Patents
A kind of butterfly valve of good seal performance Download PDFInfo
- Publication number
- CN208057968U CN208057968U CN201820553145.8U CN201820553145U CN208057968U CN 208057968 U CN208057968 U CN 208057968U CN 201820553145 U CN201820553145 U CN 201820553145U CN 208057968 U CN208057968 U CN 208057968U
- Authority
- CN
- China
- Prior art keywords
- dish plate
- sealing ring
- card slot
- valve
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007759 kiss coating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a kind of butterfly valve of good seal performance, valve inner is rotatably equipped with dish plate, is fixedly connected with valve rod at the top of dish plate, and the other end and the control device of valve rod are rotatablely connected, and sealing device is set to the junction of valve body and dish plate；The inner surface of valve body is equipped with the first card slot, first sealing ring is set on the first card slot, the outer surface of dish plate is equipped with the second card slot, second sealing ring is set on the second card slot, the one side of dish plate is equipped with water inlet, the outer surface of dish plate is equipped with water outlet, and water inlet is connect with water outlet by adjusting channel；Liquid enters from water inlet pushes the second sealing ring to movement on the outside of dish plate, so that the second sealing ring and the first sealing ring is fitted closely, enhances the sealing performance of butterfly valve, play good sealing effect, the junction of dish plate and valve body is avoided to leak；The closure or openness of dish plate are easy to operate, easy to use.
Description
Technical field
The utility model is related to butterfly valve technical field, specially a kind of butterfly valve of good seal performance.
Background technology
Butterfly valve is to make opening and closing element using round butterfly valve and one kind of fluid passage is opened, closes and adjusted with valve shaft rotation
Valve.It is easy to operate and be widely used in oil, coal gas, chemical industry, Shui Chu because its is simple in structure, body is a small amount of light, driving moment is small
The fields such as reason.In butterfly valve body cylindrical channel, disc butterfly valve is rotated around axis, between rotation angle is 0 °~90 °,
When rotating to 90 °, valve then full-gear；When butterfly valve is in full open position, butterfly valve thickness be when medium flows through valve body only
One resistance, therefore by pressure drop very little caused by the valve, therefore there are preferable metering characteristics.Existing butterfly valve
Valve body generally uses the sealing means of valve body kiss-coating, metal butterfly valve to be squeezed the liner in valve body by rotation, realizes close
The position of envelope, butterfly valve and valve body contact is integrated annulus of the system on valve body, and butterfly valve is directly that linear sealing or face are close with valve body
Envelope；After being closed due to butterfly valve, liquid feeding end pressure is more than outlet end pressure, a small amount of liquid can by exterior seal ring and inner seal ring it
Between gap exudation, cause the sealing performance of butterfly valve to reduce, and the closure or openness of the setting influence butterfly plate of conventional butterfly valve, lead
When butterfly plate being caused to be closed, exterior seal ring and inner seal ring side are inconsistent, can not achieve and are fully sealed, inconvenient.
In view of the above problems, there is an urgent need for a kind of butterfly valve of good seal performance, imitated with solving sealing existing in the prior art
Fruit is poor, inconvenient problem.
Utility model content
The purpose of this utility model is to provide a kind of butterfly valves of good seal performance, to solve to propose in above-mentioned background technology
Poor, the inconvenient problem of sealing effect.
To achieve the above object, the utility model provides the following technical solutions：A kind of butterfly valve of good seal performance, valve body,
Valve rod, dish plate, control device and sealing device, valve inner are rotatably equipped with dish plate, are fixedly connected with valve rod at the top of dish plate,
The other end of valve rod is rotatablely connected with control device, and sealing device is set to the junction of valve body and dish plate；The sealing device packet
It includes：The inner surface of first sealing ring, the second sealing ring, the first card slot and the second card slot, valve body is equipped with the first card slot, the first sealing
Snare is located on the first card slot, and the outer surface of dish plate is equipped with the second card slot, and the second sealing ring is set on the second card slot, dish plate
One side is equipped with water inlet, and the outer surface of dish plate is equipped with water outlet, and water inlet is connect with water outlet by adjusting channel.
Further, the cross-sectional width of the first sealing ring opens and closes rotation direction along dish plate and continuously decreases, the second sealing ring
Cross-sectional width along dish plate open and close rotation direction gradually rise.
Further, the water inlet setting flows into end face in valve body liquid.
Further, the control device includes：Outer housing, switch indicator, controller and data transfer block, outer housing
Upper surface be equipped with switch indicator, the side wall of outer housing is equipped with data transfer block, and outer housing is internally provided with controller, switch
Indicator and data transfer block are electrically connected with the controller.
Further, the mating setting of the inlet and outlet, and it is one at least each.
Compared with prior art, the utility model has the beneficial effects that：The utility model is simple in structure, reasonable design, the
One sealing ring and the second sealing ring is stepped is equipped with, liquid enters from water inlet pushes the second sealing ring on the outside of dish plate
It is mobile, so that the second sealing ring and the first sealing ring is fitted closely, enhance the sealing performance of butterfly valve, plays sealing effect well
Fruit avoids the junction of dish plate and valve body from leaking；The closure or openness of dish plate are easy to operate, easy to use.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is that the utility model adjusts channel cross-section schematic diagram.
In figure：1, valve body；2, valve rod；3, dish plate；4, control device；41, outer housing；42, switch indicator；43, data
Transfer block；51, the first sealing ring；52, the second sealing ring；53, the first card slot；54, the second card slot；55, water inlet；56, it is discharged
Mouthful；57, channel is adjusted.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing to this reality
It is further elaborated with novel.It should be appreciated that the specific embodiments described herein are only used to explain this practicality
It is novel, it is not used to limit the utility model.
Attached drawing is please referred to, the utility model provides a kind of technical solution：A kind of butterfly valve of good seal performance, valve body 1, valve rod
2, dish plate 3, control device 4 and sealing device, 1 inside of valve body are rotatably equipped with dish plate 3, and 3 top of dish plate is fixed with valve rod 2 to be connected
It connects, the other end and the control device 4 of valve rod 2 are rotatablely connected, and sealing device is set to the junction of valve body 1 and dish plate 3；The sealing
Device includes：First sealing ring 51, the second sealing ring 52, the first card slot 53 and the second card slot 54, the inner surface of valve body 1 are equipped with the
One card slot 53, the first sealing ring 51 are set on the first card slot 53, and the outer surface of dish plate 3 is equipped with the second card slot 54, the second sealing
Circle 52 is set in 54 on the second card slot, and the cross-sectional width of the first sealing ring 51 opens and closes rotation direction 66 along dish plate 3 and continuously decreases,
The cross-sectional width of second sealing ring 52 opens and closes rotation direction 66 along dish plate 3 and gradually rises；The one side of dish plate 3 is equipped with water inlet
55, the outer surface of dish plate 3 is equipped with water outlet 56, and water inlet 55 is connect with water outlet 56 by adjusting channel 57, water inlet 55
Setting flows into end face, 56 mating setting of water inlet 55 and water outlet, and one at least each in 1 liquid of valve body.
Control device includes：Outer housing 41, switch indicator 42, controller and data transfer block 43, outer housing 41 it is upper
Surface is equipped with switch indicator 42, and the side wall of outer housing 41 is equipped with data transfer block 43, and outer housing 41 is internally provided with controller,
Switch indicator 42 and data transfer block 43 are electrically connected with the controller.
The use principle of the utility model：When butterfly valve is closed, liquid is flowed into from water inlet 55, is passed through and is adjusted channel 57, from
The outflow of water outlet 56 pushes the second sealing ring 52 to be moved to the outside of dish plate 3, and then makes the second sealing ring 52 and the first sealing ring
51 fit closely；It can intuitively differentiate whether butterfly valve is opened by switch indicator 42, controller leads to corresponding signal
It crosses data transfer block 43 and is transferred to corresponding Background control room.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (5)
1. a kind of butterfly valve of good seal performance, it is characterised in that：Valve body, valve rod, dish plate, control device and sealing device, valve body
It is internal to be rotatably equipped with dish plate, it is fixedly connected with valve rod at the top of dish plate, the other end and the control device of valve rod are rotatablely connected, close
Seal apparatus is set to the junction of valve body and dish plate；The sealing device includes：First sealing ring, the second sealing ring, the first card slot
It is equipped with the first card slot with the inner surface of the second card slot, valve body, the first sealing ring is set on the first card slot, and the outer surface of dish plate is set
There are the second card slot, the second sealing ring to be set on the second card slot, the one side of dish plate is equipped with water inlet, and the outer surface of dish plate is set
There are water outlet, water inlet to be connect with water outlet by adjusting channel.
2. a kind of butterfly valve of good seal performance according to claim 1, which is characterized in that the cross-sectional width of the first sealing ring
Rotation direction is opened and closed along dish plate to continuously decrease, the cross-sectional width of the second sealing ring opens and closes rotation direction along dish plate and gradually rises
It is high.
3. a kind of butterfly valve of good seal performance according to claim 1, which is characterized in that the water inlet is arranged in valve body
Liquid flows into end face.
4. a kind of butterfly valve of good seal performance according to claim 1, which is characterized in that the control device includes：Outside
The upper surface of shell, switch indicator, controller and data transfer block, outer housing is equipped with switch indicator, the side wall of outer housing
Equipped with data transfer block, outer housing is internally provided with controller, and switch indicator and data transfer block are electrically connected with the controller.
5. a kind of butterfly valve of good seal performance according to claim 1, which is characterized in that the inlet and outlet are matched
Set setting, and it is one at least each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553145.8U CN208057968U (en) | 2018-04-18 | 2018-04-18 | A kind of butterfly valve of good seal performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553145.8U CN208057968U (en) | 2018-04-18 | 2018-04-18 | A kind of butterfly valve of good seal performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057968U true CN208057968U (en) | 2018-11-06 |
Family
ID=63982960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820553145.8U Expired - Fee Related CN208057968U (en) | 2018-04-18 | 2018-04-18 | A kind of butterfly valve of good seal performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057968U (en) |
-
2018
- 2018-04-18 CN CN201820553145.8U patent/CN208057968U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |