CN207278909U - A kind of wafer type sealed butterfly valve - Google Patents
A kind of wafer type sealed butterfly valve Download PDFInfo
- Publication number
- CN207278909U CN207278909U CN201720907889.0U CN201720907889U CN207278909U CN 207278909 U CN207278909 U CN 207278909U CN 201720907889 U CN201720907889 U CN 201720907889U CN 207278909 U CN207278909 U CN 207278909U
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- valve
- butterfly
- wafer type
- type sealed
- valve body
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Abstract
The utility model discloses a kind of wafer type sealed butterfly valve, including valve body, butterfly plate, valve shaft, valve seat and driving device, the driving device is arranged on valve shaft upper end, the valve body, butterfly plate and valve seat are arranged on valve shaft bottom, the butterfly plate is arranged in valve seat, the valve seat is arranged in valve body, and the valve body, butterfly plate and valve seat are diametrically equipped with two openings, and valve body, butterfly plate and valve seat are arranged on same axis by the valve shaft through the opening.Wafer type sealed butterfly valve described in the utility model is simple and reasonable for structure, it is easy to accomplish.Wherein, the valve shaft structure of the convex mirror structure of butterfly plate and double sections considerably increases the bearing capacity of butterfly valve, improves the service life of butterfly valve.
Description
Technical field
The utility model belongs to valve technology field, and in particular to a kind of wafer type sealed butterfly valve.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve simple in structure, what the switch available for low pressure pipeline medium controlled
Butterfly valve refers to that closure member is disk, reaches a kind of valve of open and close around valve shaft rotation, valve can be used for control air,
The flowing of all kinds fluids such as water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium.
During long-time service, valve shaft easily occurs bending and deformation, so as to further influence the air-tightness of butterfly valve entirety.
Butterfly valve is main on pipeline to play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
The interior axis around its own rotates, so as to achieve the purpose that keying or adjusting.It is existing, connect for a long time in butterfly plate long-time service process
The medium of various mobility is touched, is easy to deformation or by liquid corrosion, therefore greatly reduce the service life of butterfly valve.
Utility model content
Purpose of utility model：In order to overcome problem above, the purpose of this utility model is to provide a kind of wafer type sealing butterfly
Valve, the wafer type sealed butterfly valve are simple and reasonable for structure, it is easy to accomplish, it is easy to use, with solve existing butterfly valve because butterfly plate for a long time around
Valve shaft rotate, caused by valve shaft loosen or fracture, and in the long-term use butterfly plate be stressed impact and produce change
Shape, the problem of influencing the quality of overall butterfly valve.
Technical solution：A kind of wafer type sealed butterfly valve, including valve body, butterfly plate, valve shaft, valve seat and driving device, the drive
Dynamic device is arranged on valve shaft upper end, and the valve body, butterfly plate and valve seat are arranged on valve shaft bottom, and the butterfly plate is arranged in valve seat, institute
Valve seat is stated in valve body, the valve body, butterfly plate and valve seat are diametrically equipped with two openings, and the valve shaft passes through the opening
Valve body, butterfly plate and valve seat are arranged on same axis.This butterfly valve is designed without acceptance of persons using centerline construction, and there is significant operation to turn round
The low feature of square, molded rubber valve seat have splendid harmony and supportive, effectively avoid caused by unbalance stress to rubber
Destruction, at valve during closed positions, rubber is in optimal compressive state to keep zero leakage.
Further, above-mentioned wafer type sealed butterfly valve, the butterfly plate use convex mirror structure, thick middle, thin edge,
The first securing plate is internally provided with, the butterfly plate outer surface is equipped with the second securing plate.The valve body of this structure increases interior thickness, together
When add the first securing plate, increase the compressive resistance of valve body；Second securing plate can increase valve body compressive resistance, while second adds
Solid plate also has guide functions.
Further, above-mentioned wafer type sealed butterfly valve, the valve seat section are " u "-shaped.Using " u "-shaped valve seat, can make
Valve seat is tightly secured on valve body.
Further, above-mentioned wafer type sealed butterfly valve, the thickness of the valve seat are more than the thickness of valve body.The thickness of valve seat
More than valve body, without extra rubber sheet gasketing during pipe laying.
Further, above-mentioned wafer type sealed butterfly valve, the driving device are manual, including handle and pressure switch.
The mode of manual actuation is simple in structure, and operation is flexible, and application cost is low, can be applicable to most of occasions.
Further, above-mentioned wafer type sealed butterfly valve, the driving device are electronic, are driven by motor.Motor
Drive it is adaptable, it is not influenced by ambient temperature, it is complicated, it is easy to control, and itself has self-locking structure.
Further, above-mentioned wafer type sealed butterfly valve, the driving device are pneumatic, are driven by cylinder.Pneumatically
Driving is without power supply, and suitable for the workplace of no power supply, its power source is the gas in pipeline.
Further, above-mentioned wafer type sealed butterfly valve, four corners that the valve body is connected with valve shaft are equipped with four
Through hole.Through hole is used to butterfly valve being fixed on pipeline.
Further, above-mentioned wafer type sealed butterfly valve, institute's valve shaft use two-part structure, and the upper end of valve shaft passes through
Valve body, butterfly plate and valve seat, the lower end of valve shaft are connected on valve body.The valve shaft of two-part is easily installed and dismantles, and reduces at the same time
Valve shaft length, is not susceptible to bending.
Further, above-mentioned wafer type sealed butterfly valve, valve body and the butterfly plate surface are additionally provided with wearing layer.Wearing layer can
To further improve butterfly valve wearability, in the long-term use, abrasion is small, service life length.
Above-mentioned technical proposal can be seen that the utility model and have the advantages that：It is described in the utility model to folder
Formula sealed butterfly valve, it is simple and reasonable for structure, it is easy to accomplish, using conveniently, by using the butterfly plate structure of convex lens, can increase
Add the bearing capacity of butterfly plate, extend its service life, the driving device of various ways, can be applied to different use occasions.
Brief description of the drawings
Fig. 1 is the structure diagram of wafer type sealed butterfly valve embodiment 1 described in the utility model；
Fig. 2 is the sectional view of wafer type sealed butterfly valve embodiment 1 described in the utility model；
Fig. 3 is the front view of wafer type sealed butterfly valve butterfly plate described in the utility model；
Fig. 4 is the sectional view of wafer type sealed butterfly valve butterfly plate described in the utility model；
Fig. 5 is the structure diagram of wafer type sealed butterfly valve embodiment 2 described in the utility model；
Fig. 6 is the structure diagram of wafer type sealed butterfly valve embodiment 3 described in the utility model.
In figure：1 valve body, 2 butterfly plates, 3 valve shafts, 4 valve seats, 5 driving devices, 6 second securing plates, 7 through holes, 8 first securing plates,
9 handles, 10 pressure switches.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, unless otherwise indicated, the implication of " multiple "
It is two or more, unless otherwise restricted clearly.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Embodiment 1
Wafer type sealed butterfly valve as shown in Figure 1 and Figure 2, including valve body 1, butterfly plate 2, valve shaft 3, valve seat 4 and driving device 5.
Wherein, the driving device 5 is arranged on 3 upper end of valve shaft, and is driven by motor.In addition, the valve body 1, butterfly plate 2 and valve seat
4 are arranged on 3 bottom of valve shaft, and the butterfly plate 2 is arranged in valve seat 4, and the butterfly plate 2 is using the structure of convex mirror, thick middle, edge
It is thin.Further, as shown in figure 3,2 outer surface of the butterfly plate is equipped with the second securing plate 6.Further, it is as shown in figure 4, described
Butterfly plate 2 is internally provided with the first securing plate 8.Secondly, the valve seat 4 is arranged in valve body 1, and 4 section of valve seat is " u "-shaped, and valve body 1 is caught in
In the "u"-shaped groove of valve seat 4, and the thickness of valve seat 4 is more than the thickness of valve body 1, and when connecting pipe, valve seat 4 can be tight with pipeline
Closely connected conjunction, prevents from revealing.Further, the valve body 1, butterfly plate 2 and valve seat 4 are diametrically equipped with two openings, the valve shaft 3
Valve body 1, butterfly plate 2 and valve seat 4 are arranged on same axis through the opening.Further, the valve body 1 and valve shaft 3 connect
Four corners be equipped with four through holes 7, butterfly valve is fixed in the middle part of pipeline by bolt by the ring flange through hole of through hole and pipeline.
In addition, the valve body 1 and 2 surface of butterfly plate are additionally provided with wearing layer.
Embodiment 2
As shown in figure 5, the basis based on 1 structure of embodiment, the valve shaft 3 is changed to two-part structure, and the upper end of valve shaft 3 is worn
Cross valve body 1, butterfly plate 2 and valve seat 4 and be connected to driving device 5, the lower end of valve shaft 3 is connected on valve body 1, the structure increase of two-part
Bearing capacity.
Embodiment 3
As shown in fig. 6, the basis based on 1 structure of embodiment, the driving device 5 is changed to manually, including handle 9 and pressure
Switch 10.When opening or closing butterfly valve, handle 9 and pressure switch 10 are held, the handle 9 drives the butterfly by valve shaft 3
Plate 2 rotates, position needed for arrival, and release handle 9 and pressure switch 10, the butterfly plate 2 can be fixed on required position.
Embodiment 4
Based on the basis of 1 structure of embodiment, the driving device 5 is changed to, to be pneumatic, be driven by cylinder.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvement can also be made, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (10)
- A kind of 1. wafer type sealed butterfly valve, it is characterised in that：Including valve body（1）, butterfly plate（2）, valve shaft（3）, valve seat（4）And driving Device（5）, the driving device（5）Arranged on valve shaft（3）Upper end, the valve body（1）, butterfly plate（2）And valve seat（4）Arranged on valve shaft （3）Bottom, the butterfly plate（2）Arranged on valve seat（4）It is interior, the valve seat（4）Arranged on valve body（1）It is interior, the valve body（1）, butterfly plate （2）And valve seat（4）Diametrically it is equipped with two openings, the valve shaft（3）It is open through described by valve body（1）, butterfly plate（2）And valve Seat（4）On same axis.
- 2. wafer type sealed butterfly valve according to claim 1, it is characterised in that：The butterfly plate（2）Using the knot of convex mirror Structure, thick middle, thin edge, is internally provided with the first securing plate（8）, the butterfly plate（2）Outer surface is equipped with the second securing plate（6）.
- 3. wafer type sealed butterfly valve according to claim 1, it is characterised in that：The valve seat（4）Section is " u "-shaped.
- 4. the wafer type sealed butterfly valve according to claim 1 or 3, it is characterised in that：The valve seat（4）Thickness be more than valve Body（1）Thickness.
- 5. wafer type sealed butterfly valve according to claim 1, it is characterised in that：The driving device（5）To be manual, including Handle（9）And pressure switch（10）.
- 6. wafer type sealed butterfly valve according to claim 1, it is characterised in that：The driving device（5）To be electronic, by electricity Machine is driven.
- 7. wafer type sealed butterfly valve according to claim 1, it is characterised in that：The driving device（5）To be pneumatic, by gas Cylinder is driven.
- 8. wafer type sealed butterfly valve according to claim 4, it is characterised in that：The valve body（1）And valve shaft（3）Connection Four corners are equipped with four through holes（7）.
- 9. wafer type sealed butterfly valve according to claim 8, it is characterised in that：The valve shaft（3）Using two-part structure, Valve shaft（3）Upper end pass through valve body（1）, butterfly plate（2）And valve seat（4）, valve shaft（3）Lower end be connected to valve body（1）On.
- 10. wafer type sealed butterfly valve according to claim 9, it is characterised in that：The valve body（1）And butterfly plate（2）Surface It is additionally provided with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720907889.0U CN207278909U (en) | 2017-07-25 | 2017-07-25 | A kind of wafer type sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720907889.0U CN207278909U (en) | 2017-07-25 | 2017-07-25 | A kind of wafer type sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278909U true CN207278909U (en) | 2018-04-27 |
Family
ID=61985521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720907889.0U Active CN207278909U (en) | 2017-07-25 | 2017-07-25 | A kind of wafer type sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278909U (en) |
-
2017
- 2017-07-25 CN CN201720907889.0U patent/CN207278909U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 3, no.508, Yangshu Road, Suzhou Development Zone, Jiangsu Province Patentee after: Kunshan hanyuanjing Water Technology Co.,Ltd. Address before: Room 3, no.508, Yangshu Road, Suzhou Development Zone, Jiangsu Province Patentee before: KUNSHAN HANYUAN JINGSHUI METERING INFORMATION TECHNOLOGY Co.,Ltd. |