CN208331270U - A kind of butterfly valve - Google Patents
A kind of butterfly valve Download PDFInfo
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- CN208331270U CN208331270U CN201820875582.1U CN201820875582U CN208331270U CN 208331270 U CN208331270 U CN 208331270U CN 201820875582 U CN201820875582 U CN 201820875582U CN 208331270 U CN208331270 U CN 208331270U
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- valve body
- butterfly
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Abstract
The utility model relates to valve technology field more particularly to a kind of butterfly valves.It includes valve body, valve rod, valve seat and valve plate, valve body is cyclic structure, through hole is symmetrically arranged on the valve body, through hole can be such that valve rod passes through, and valve plate is fixedly installed on valve rod outer circumference surface, the ceramic blanket contacted with valve body inner sidewall is provided on valve plate, the first gasket is provided on valve body inner sidewall, ceramic blanket lateral wall is provided with arc groove, and the second gasket is provided in arc groove, and the first gasket is abutted with the second gasket.First gasket and the second gasket contact with each other the leakproofness that can guarantee between valve plate and valve body, due to being additionally provided with ceramic blanket on the outside of valve plate, ceramic blanket hardness is higher, when can guarantee to be mingled with foreign matter between valve plate and valve seat, valve plate periphery will not be worn by foreign matter, effectively reduce the probability that valve plate is damaged and the leakproofness for guaranteeing the butterfly valve.
Description
Technical field
The utility model relates to valve technology field more particularly to a kind of butterfly valves.
Background technique
Butterfly valve generally comprises valve body in the prior art, which has inner cavity, interior intracavitary equipped with valve seat and rotatable
Dish plate, is fixed with valve deck on the dish plate, and valve deck extends upwardly to the outside of valve body, but existing valve seat using graphite as valve
The material of seat with dish plate cooperatively forms sealing, and the hardness of graphite is lower, when being mingled with foreign matter between dish plate and valve seat, valve seat
Sealing surface, which is easy to crush injury, causes butterfly valve to be revealed, and causes the sealing performance of butterfly valve unstable, easily fails.
It is, therefore, desirable to provide a kind of butterfly valve, is able to solve the problem of butterfly valve is easily revealed in the prior art.
Utility model content
The purpose of this utility model is that proposing a kind of butterfly valve, its sealing performance can be improved.
For this purpose, the utility model uses following technical scheme:
There is provided a kind of butterfly valve, including valve body, valve rod, valve seat and valve plate, the valve body is cyclic structure, symmetrical on the valve body
It is provided with through hole, the through hole can be such that the valve rod passes through, and be fixedly installed valve plate on the valve rod outer circumference surface, institute
It states valve seat to be located on the outside of the valve body, is provided with the ceramic blanket contacted with the valve body inner sidewall, the valve body on the valve plate
The first gasket is provided on inner sidewall, the ceramic blanket lateral wall is provided with arc groove, is provided in the arc groove
Second gasket, first gasket are abutted with second gasket.
Preferably, the valve seat includes the first valve seat and the second valve seat, first valve seat is located at the body top,
Second valve seat is located at the bottom of the valve body, and the valve rod is through first valve seat and protrudes into second valve seat,
Sealing ring is provided between first valve seat and second valve seat and the valve plate.
Preferably, being additionally provided with rotary components on the valve rod, the rotary components include being arranged on the valve rod
Rotating wheel and with the rotating wheel cooperation rack gear.
Preferably, the rotating wheel is partial gear.
Preferably, the rotating wheel is gear.
Preferably, being provided with handle box on the valve body, the rotary components are located in the handle box, the rack gear
One end is stretched out the handle box and is connect with handle.
Preferably, being provided with the position-limit mechanism that can limit valve plate rotational angle on the rack gear.
Preferably, the position-limit mechanism includes two limited posts, the limited post is separately positioned on the rack gear and position
In the two sides of the rotating wheel.
Preferably, being also symmetrically arranged with arc linking arm on the outside of first valve seat.
The utility model the utility model has the advantages that
Butterfly valve provided by the utility model, the first gasket and the second gasket contact with each other and can guarantee valve plate and valve body
Between leakproofness, due to being additionally provided with ceramic blanket on the outside of valve plate, ceramic blanket hardness is higher, can guarantee valve plate and valve seat it
Between when being mingled with foreign matter, valve plate periphery will not be worn by foreign matter, effectively reduce the probability that valve plate is damaged, the second gasket position
In in the groove of ceramic blanket, when contacting with foreign matter, ceramic blanket is first contacted with foreign matter, can be pulverized foreign matter or be excluded first
Sealing ring inner sidewall reduces the contact probability of the second sealing ring and foreign matter, further decreases the probability that valve plate is damaged, and guaranteeing should
The leakproofness of butterfly valve.
It is provided with sealing ring on first valve seat and the second valve seat, can guarantee the leakproofness between valve plate and valve seat, into
The sealing performance on the guarantee valve plate periphery of one step.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of butterfly valve provided by the utility model；
Fig. 2 is the cross-sectional view of butterfly valve removal valve body provided by the utility model；
Fig. 3 is the front view of ceramic blanket provided by the utility model；
Fig. 4 is the side view for the ceramic blanket that Fig. 3 is provided；
Fig. 5 is the structural schematic diagram of the rotary components provided by the utility model being arranged in handle box.
In figure:
1, valve body；2, valve rod；3, valve seat；4, valve plate；5, ceramic blanket；6, the first gasket；7, the second gasket；8, it seals
Circle；9, rotating wheel；10, rack gear；11, handle box；12, sleeve；13, sealing column；
31, the first valve seat；311, arc linking arm；32, the second valve seat.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
A kind of butterfly valve is provided in the present embodiment, as shown in Figs 1-4, including valve body 1, valve rod 2, valve seat 3 and valve plate 4,
In the valve body 1 be cyclic structure, be symmetrically arranged with through hole on the valve body 1, through hole can be such that valve rod 2 passes through, 2 outer circle of valve rod
Valve plate 4 is fixedly installed on circumferential surface, valve plate 4 can be rotated with valve rod 2, and valve plate 4 is located in the cavity of the formation of valve body 1, and valve plate 4
On be provided with the ceramic blanket 5 abutted with 1 inner sidewall of valve body, the ceramic blanket 5 along 4 lateral wall of valve plate be arranged and it is arc-shaped；Due to pottery
Porcelain pad 5 is made of ceramic, and hardness is higher, and there are ceramic blankets 5 when foreign matter to be worn between valve plate 4 and valve body 1；Simultaneously
The first gasket 6 is additionally provided on 1 inner sidewall of valve body, and 5 two sides of ceramic blanket are symmetrically arranged with the conical surface, which is conducive to ceramics
In the space that pad the first gasket 6 of insertion is formed；5 lateral wall of ceramic blanket is provided with arc groove, ceramic blanket 5 in the present embodiment
Lateral wall specifically refers to side wall of the ceramic blanket 5 far from valve plate 4, and the second gasket 7, the second gasket 7 are provided in arc groove
Leakproofness between the valve plate 4 of butterfly valve and valve body 1 can be guaranteed by abutting against with the first gasket 6.
Above-mentioned butterfly valve, the first gasket 6 and the second gasket 7 contact with each other can guarantee it is close between valve plate 4 and valve body 1
Feng Xing, since the outside of valve plate 4 is additionally provided with ceramic blanket 5, when can guarantee to be mingled with foreign matter between valve plate 4 and valve seat 3, valve plate
4 peripheries will not be worn by foreign matter, effectively reduce the probability that valve plate 4 is damaged；Second gasket 7 is located at the recessed of ceramic blanket 5
In slot, when contacting with foreign matter, ceramic blanket 5 is first contacted with foreign matter, and foreign matter can be pulverized to or be excluded 6 inside of the first sealing ring
Wall reduces the contact probability of the second sealing ring 7 and foreign matter, further decreases the probability that valve plate 4 is damaged, guarantee the close of the butterfly valve
Feng Xing
Above-mentioned valve seat 3 includes the first valve seat 31 and the second valve seat 32, wherein the first valve seat 31 is located at the top of valve body 1, second
Valve seat 32 is located at the bottom of valve body 1, and valve rod 2 is through the first valve seat 31 and protrudes into the second valve seat 32, the first valve seat 31, the second valve
Sealing ring 8 is provided between seat 32 and valve plate 4.Wherein, above-mentioned first gasket 6, the second gasket 7 and sealing ring 8 are
It is made of rubber.It is provided with sealing ring 8 between first valve seat 31 and the second valve seat 32 and valve plate, can guarantee valve plate 4 and valve
Leakproofness between seat 3, the further favorable sealing property for guaranteeing 4 periphery of valve plate.
It is also set up on the second valve seat 32 there are two sleeve 12, sleeve 12 is set on valve rod 2 and between two sleeves 12
It is provided with sealing column 13, sealing column 13 is set on valve rod 2.
As shown in figure 5, being additionally provided with rotary components on above-mentioned valve rod 2, which is used to the rotation of valve plate 4 making butterfly valve
Opening and closing.The operating condition as locating for butterfly valve there are problems that being inconvenient to screw, especially rotating handle installation after by pipe fitting or other
Object limit causes to be not easy to screw, and directly contributes the problem of can not opening and closing butterfly valve generation.To solve the above-mentioned problems, the present embodiment
In rotary components include the rotating wheel 9 being arranged on valve rod 2 and with rotating wheel 9 cooperate rack gear 10.Wherein rotating wheel 9 with
Valve rod 2 is fixedly connected, and when rotating wheel 9 rotates, is able to drive the rotation of valve rod 2.Specifically rotation is to pass through rack gear 10 to rotating wheel 9
Mobile realization, middle rack 10 can be pulled or push as needed the closing and unlatching for realizing valve plate 4.
Specifically, above-mentioned rotating wheel 9 is partial gear in the present embodiment.Set in the partial sidewall of the rotating wheel 9
Set the tooth being engaged with rack gear 10.It is understood that the rotating wheel 9 can also be that gear, gear are the prior art, herein no longer
It repeats.
Specifically, being provided with handle box 11 on the valve body 1, rotary components are located in handle box 11, and 10 one end of rack gear is stretched out
Handle box 11 is connect with handle (not shown).
Rack gear 10 is pulled transition and causes to have the gap between valve plate 4 and valve body 1 in order to prevent, is provided on above-mentioned rack gear 10
The position-limit mechanism of 4 rotational angle of valve plate can be limited.Specifically, the position-limit mechanism includes two limited posts, limited post is respectively set
On the rack gear 10 and positioned at the two sides of rotating wheel 9.The distance of two limited posts is set as needed, but the distance energy of two limited posts
It is onside enough to guarantee that valve plate 4 is opened and closed.
In the present embodiment, above-mentioned second valve seat, 32 outside is also symmetrically arranged with arc linking arm 321.Arc linking arm 321
Cooperate with rope for butterfly valve to be connect with other pipelines.
The butterfly valve provided in the present embodiment, the first gasket 6 and the second gasket 7 contact with each other can guarantee valve plate 4 with
It is provided with sealing ring 8 on leakproofness between valve body 1, the first valve seat 31 and the second valve seat 32, can guarantee valve plate 4 and valve seat
Leakproofness between 3, the first gasket 6, the second gasket 7 and sealing ring 8 can provide 4 peripheral sealing of valve plate to butterfly valve
Overall sealing performance.
And rotary components are then able to solve operating condition locating for butterfly valve is inconvenient to the problem of screwing, since the rotary components include rotation
Shaft and rack gear 10, rack gear 10 are linear motion rather than circular motion, therefore reduce butterfly valve integrally to space requirement, are convenient for
The valve plate 4 of butterfly valve is turned on or off in narrow space.
Note that have been shown and described above the utility model basic principles and main features and the utility model it is excellent
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, above embodiment and say
Only illustrate the principles of the present invention described in bright book, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention,
The claimed range of the utility model is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of butterfly valve, including valve body (1), valve rod (2), valve seat (3) and valve plate (4), the valve body (1) is cyclic structure, should
Through hole is radially symmetrically arranged on valve body (1), the through hole can be such that the valve rod (2) passes through, and the valve rod (2) is outside
It is fixedly installed on periphery valve plate (4), the valve seat (3) is located on the outside of the valve body (1), which is characterized in that the valve plate
(4) ceramic blanket (5) contacted with the valve body (1) inner sidewall is provided on, it is close to be provided with first on valve body (1) inner sidewall
Packing (6), ceramic blanket (5) lateral wall are provided with arc groove, the second gasket (7) are provided in the arc groove,
First gasket (6) abuts with second gasket (7).
2. butterfly valve according to claim 1, which is characterized in that the valve seat (3) includes the first valve seat (31) and the second valve
Seat (32), first valve seat (31) are located at the top of the valve body (1), and second valve seat (32) is located at the valve body (1)
Bottom, the valve rod (2) is through first valve seat (31) and protrudes into second valve seat (32), first valve seat (31)
Sealing ring (8) are provided between second valve seat (32) and the valve plate (4).
3. butterfly valve according to claim 2, which is characterized in that be additionally provided with rotary components, the rotation on the valve rod (2)
Turning component includes the rotating wheel (9) being arranged on the valve rod (2) and the rack gear (10) with the rotating wheel (9) cooperation.
4. butterfly valve according to claim 3, which is characterized in that the rotating wheel (9) is partial gear.
5. butterfly valve according to claim 3, which is characterized in that the rotating wheel (9) is gear.
6. butterfly valve according to claim 4 or 5, which is characterized in that be provided with handle box (11), institute on the valve body (1)
It states rotary components to be located in the handle box (11), described rack gear (10) one end is stretched out the handle box (11) and connect with handle.
7. butterfly valve according to claim 6, which is characterized in that valve plate (4) can be limited by being provided on the rack gear (10)
The position-limit mechanism of rotational angle.
8. butterfly valve according to claim 7, which is characterized in that the position-limit mechanism includes two limited posts, the limited post
It is separately positioned on the rack gear (10) and is located at the two sides of the rotating wheel (9).
9. butterfly valve according to claim 2, which is characterized in that be also symmetrically arranged with arc on the outside of first valve seat (31)
Linking arm (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875582.1U CN208331270U (en) | 2018-06-07 | 2018-06-07 | A kind of butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875582.1U CN208331270U (en) | 2018-06-07 | 2018-06-07 | A kind of butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331270U true CN208331270U (en) | 2019-01-04 |
Family
ID=64773107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820875582.1U Active CN208331270U (en) | 2018-06-07 | 2018-06-07 | A kind of butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206898A (en) * | 2019-07-04 | 2019-09-06 | 湖南联诚轨道装备有限公司 | A kind of rail locomotive butterfly valve |
| CN110425290A (en) * | 2019-08-02 | 2019-11-08 | 许津元 | A kind of against shock butterfly valve |
| CN112283362A (en) * | 2020-11-12 | 2021-01-29 | 铜陵市经纬流体科技有限公司 | High-sealing butterfly valve and machining method thereof |
-
2018
- 2018-06-07 CN CN201820875582.1U patent/CN208331270U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206898A (en) * | 2019-07-04 | 2019-09-06 | 湖南联诚轨道装备有限公司 | A kind of rail locomotive butterfly valve |
| CN110425290A (en) * | 2019-08-02 | 2019-11-08 | 许津元 | A kind of against shock butterfly valve |
| CN110425290B (en) * | 2019-08-02 | 2020-10-16 | 欧冠阀门科技有限公司 | Anti-vibration butterfly valve |
| CN112283362A (en) * | 2020-11-12 | 2021-01-29 | 铜陵市经纬流体科技有限公司 | High-sealing butterfly valve and machining method thereof |
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| GR01 | Patent grant |