CN207661153U - A kind of butterfly valve with filtering function of usage time length - Google Patents
A kind of butterfly valve with filtering function of usage time length Download PDFInfo
- Publication number
- CN207661153U CN207661153U CN201721828239.3U CN201721828239U CN207661153U CN 207661153 U CN207661153 U CN 207661153U CN 201721828239 U CN201721828239 U CN 201721828239U CN 207661153 U CN207661153 U CN 207661153U
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- CN
- China
- Prior art keywords
- valve
- filter screen
- sealing ring
- valve plate
- main 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
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Abstract
The utility model discloses a kind of butterfly valves with filtering function of usage time length, including valve body, the valve body is internally provided with a cylindrical channel, valve plate mechanism is equipped in the channel, valve plate mechanism includes valve plate main body, and the periphery of valve plate main body is equipped with sealing ring, the outside of sealing ring is spherical surface, intermediate position is protruded outward, and the edge of sealing ring extends to center constitutes fixed ring, and fixed ring is screwed on valve plate main body；The periphery of sealing ring is set there are two symmetrically arranged sealing ring；The rear side of valve plate main body is equipped with Z-type filter screen；The utility model designs sealing ring and replaces valve plate and channel contact, and it is embedded with sealing ring on sealing ring, further reduces the abrasion of sealing ring, greatly extends the usage time of butterfly valve, and Z-type filter screen is designed in channel, plays the role of filtering.
Description
Technical field
The utility model is related to valve technology field, especially a kind of butterfly valve with filtering function of usage time length.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve simple in structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.Valve can
For controlling the various types such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium
The flowing of fluid.Cut-out and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
It is rotated around the axis of its own, to achieve the purpose that keying or adjusting.
The valve plate of butterfly valve in the prior art is directly contacted with vias inner walls, open and close when for valve plate edge abrasion compared with
Greatly, cause the butterfly valve service life shorter.
Utility model content
The utility model is intended to provide a kind of butterfly valve with filtering function of the usage time length of long lifespan.
To achieve the above object, the utility model provides the following technical solutions：A kind of usage time length has filtering work(
The butterfly valve of energy, including valve body, the valve body are internally provided with a cylindrical channel, valve plate mechanism, valve are equipped in the channel
Trigger structure includes valve plate main body, and the periphery of valve plate main body is equipped with sealing ring, and the outside of sealing ring is spherical surface, intermediate position to
Outside is protruded, and the edge of sealing ring extends to center constitutes fixed ring, and fixed ring is screwed on valve plate main body；It is close
The periphery of big envelope circle is set there are two symmetrically arranged sealing ring, and sealing ring is embedded in the outside of sealing ring, the cross of the sealing ring
Section is dovetail-shape；The top of valve plate main body connects valve rod；The rear side of valve plate main body is equipped with Z-type filter screen, and Z-type filter screen is by the
One filter screen, the second filter screen and third filter screen composition, wherein the first filter screen and third filter screen are arranged in parallel, and
It is vertically arranged with the second filter screen, the first filter screen and third filter screen are separately connected the both ends of the second filter screen, the first filtering
Net and third filter screen are in sector, and the area of the first filter screen is less than the area of third filter screen.
Further scheme as the utility model：The one side that the valve plate main body is bonded with sealing ring is spherical surface, in
Between position outwardly protrude.
Further scheme as the utility model：Vias inner walls at left and right sides of the valve plate main body are equipped with arc platform
Rank, the arc-shaped step in vias inner walls at left and right sides of the valve body central symmetry centered on the axis of rotation of valve body are set
It sets.
Further scheme as the utility model：The third filter screen is located at the second filter screen close to valve plate mechanism
Side.
Further scheme as the utility model：The bottom of the valve plate main body by valve shaft connect valve body, valve shaft and
Valve rod is directly connected to valve plate main body.
Compared with prior art, the utility model has the beneficial effects that：The butterfly with filtering function of usage time length
Valve designs sealing ring and replaces valve plate and channel contact, and sealing ring is embedded on sealing ring, further reduces sealing
The abrasion of lasso greatly extends the usage time of butterfly valve, and designs Z-type filter screen in channel, plays the role of filtering.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the valve plate mechanism of the utility model；
Fig. 3 is direction view in the partial cross section in the channel of the utility model；
Fig. 4 is the vertical view of the Z-type filter screen of the utility model；
Fig. 5 is the front view of the Z-type filter screen of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-5, in the utility model embodiment, a kind of butterfly valve with filtering function of usage time length wraps
Valve body 1 is included, the valve body 1 is internally provided with a cylindrical channel 2, valve plate mechanism 3, valve plate mechanism 3 are equipped in the channel 2
Including valve plate main body 4, the periphery of valve plate main body 4 is equipped with sealing ring 5, and the outside of sealing ring 5 is spherical surface, and intermediate position is outside
Side is protruded, and the edge of sealing ring 5 extends to center constitutes fixed ring 6, and fixed ring 6 is screwed on valve plate main body 4；
The periphery of sealing ring 5 is set there are two symmetrically arranged sealing ring 7, and sealing ring 7 is embedded in the outer of sealing ring 5
The cross section in face, the sealing ring 7 is dovetail-shape；Sealing ring 5 is contacted with 2 inner wall of channel instead of valve plate main body 4 and is sealed, close
The structure that 5 middle part of big envelope circle is protruded can increase sealing area, improve leakproofness, sealing ring 7 is embedded on 5 surface of sealing ring,
It is that sealing ring 7 is contacted with 2 inner wall of channel first when butterfly valve is closed, is contacted with 2 inner wall of channel followed by sealing ring 5, pole
Big reduces abrasion of the switch for sealing ring 5, extends the usage time of butterfly valve, and sealing ring 5 is detachable more
It changes, reduces maintenance cost.
The top of valve plate main body 4 connects valve rod 8；
The rear side of valve plate main body 4 is equipped with Z-type filter screen, and Z-type filter screen is by the first filter screen 9, the second filter screen 10 and the
Three filter screens 11 form, wherein the first filter screen 9 and third filter screen 11 are arranged in parallel, and it is vertical with the second filter screen 10
Setting, the first filter screen 9 and third filter screen 11 are separately connected the both ends of the second filter screen 10, the first filter screen 9 and third mistake
Strainer 11 is in sector, and the area of the first filter screen 9 is less than the area of third filter screen 11.
Further, the one side that valve plate main body 4 is bonded with sealing ring 5 is spherical surface, and intermediate position outwardly protrudes.Matching sealing
The outside shape of lasso 5 can form a degree in homogeneous thickness to 5 each position of sealing ring, give sealing ring 5
The close support force in each position.Further, 2 inner wall of channel of 4 left and right sides of valve plate main body is equipped with arc-shaped step 21, valve
The arc-shaped step 21 on 2 inner wall of channel at left and right sides of 1 main body of the body central symmetry centered on the axis of rotation of 1 main body of valve body is set
It sets.
Further, the surface of 7 slightly protruding sealing ring 5 of sealing ring.
Further, the material of sealing ring 7 can be rubber etc., and sealing ring 5 then uses metal or ceramic material.
Further, the first filter screen 9, circle of one centre of the composition of third filter screen 11 with strip opening, second
Filter screen 10 connects and being filled with this opening makes three filter screens just block entire channel 2, and does not interfere with valve plate
The rotation of main body 4.
Further, third filter screen 11 is located at the second filter screen 10 close to the side of valve plate mechanism 3.
Further, the bottom of valve plate main body 4 connects valve body 1 by valve shaft, and valve shaft and valve rod 8 are directly connected to valve plate main body
4, the sealing ring 5 in junction can design the hole position with valve shaft and the cooperation of valve rod 8.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of butterfly valve with filtering function of usage time length, including valve body, which is characterized in that the inside of the valve body is set
There are one cylindrical channel, it is equipped with valve plate mechanism in the channel, valve plate mechanism includes valve plate main body, and the periphery of valve plate main body is set
There is sealing ring, the outside of sealing ring is spherical surface, and intermediate position is protruded outward, and the edge of sealing ring extends structure to center
At fixed ring, fixed ring is screwed on valve plate main body；The periphery of sealing ring is set there are two symmetrically arranged sealing
Ring, sealing ring are embedded in the outside of sealing ring, and the cross section of the sealing ring is dovetail-shape；The top connection valve of valve plate main body
Bar；The rear side of valve plate main body is equipped with Z-type filter screen, and Z-type filter screen is by the first filter screen, the second filter screen and third filter screen group
At, wherein the first filter screen and third filter screen are arranged in parallel, and are vertically arranged with the second filter screen, the first filter screen and
Third filter screen is separately connected the both ends of the second filter screen, and the first filter screen and third filter screen are in sector, the first filter screen
Area be less than third filter screen area.
2. a kind of butterfly valve with filtering function of usage time length according to claim 1, which is characterized in that the valve
The one side that plate body is bonded with sealing ring is spherical surface, and intermediate position outwardly protrudes.
3. a kind of butterfly valve with filtering function of usage time length according to claim 1, which is characterized in that the valve
Vias inner walls at left and right sides of plate body are equipped with arc-shaped step, the arc-shaped step in vias inner walls at left and right sides of valve body
The center symmetric setting centered on the axis of rotation of valve body.
4. a kind of butterfly valve with filtering function of usage time length according to claim 1, which is characterized in that described the
Three filter screens are located at the second filter screen close to the side of valve plate mechanism.
5. a kind of butterfly valve with filtering function of usage time length according to claim 1, which is characterized in that the valve
The bottom of plate body connects valve body by valve shaft, and valve shaft and valve rod are directly connected to valve plate main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828239.3U CN207661153U (en) | 2017-12-22 | 2017-12-22 | A kind of butterfly valve with filtering function of usage time length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828239.3U CN207661153U (en) | 2017-12-22 | 2017-12-22 | A kind of butterfly valve with filtering function of usage time length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661153U true CN207661153U (en) | 2018-07-27 |
Family
ID=62942299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721828239.3U Expired - Fee Related CN207661153U (en) | 2017-12-22 | 2017-12-22 | A kind of butterfly valve with filtering function of usage time length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089178A (en) * | 2019-12-31 | 2020-05-01 | 江苏高中压阀门有限公司 | Inlet electric butterfly valve |
-
2017
- 2017-12-22 CN CN201721828239.3U patent/CN207661153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089178A (en) * | 2019-12-31 | 2020-05-01 | 江苏高中压阀门有限公司 | Inlet electric butterfly valve |
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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: 20180727 Termination date: 20211222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |