CN206458835U - A kind of full butterfly valve - Google Patents
A kind of full butterfly valve Download PDFInfo
- Publication number
- CN206458835U CN206458835U CN201621487789.9U CN201621487789U CN206458835U CN 206458835 U CN206458835 U CN 206458835U CN 201621487789 U CN201621487789 U CN 201621487789U CN 206458835 U CN206458835 U CN 206458835U
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- Prior art keywords
- valve
- shaft
- valve body
- encapsulant
- full butterfly
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Abstract
The utility model discloses a kind of full butterfly valve.The full butterfly valve includes valve body, valve plate and valve shaft, and the valve plate is contained in the receiving space of the valve body, and the valve shaft is stretched into the receiving space of the valve body, and is set through the valve plate；The part that the valve body and the valve plate are contacted with medium is coated with line with rubber layer；The valve shaft coats stainless steel resistant material with the medium contact site, and the remainder of the valve shaft is isolated using multiple-sealed material to be set.The utility model has the advantages that：In the full butterfly valve, the group welding piece or casting using the valve body and the valve plate are coated with line with rubber layer as matrix, and in the part that the valve body and the valve plate are contacted with medium, so as to strengthen the corrosion resistance of the full butterfly valve.
Description
Technical field
The utility model is related to valve, is specifically related to a kind of full butterfly valve.
Background technology
At present, the butterfly valve that the Korrosionsmedium such as domestic and international seawater is used, material selection is as follows：
1st, valve body, valve plate material are using resistant materials such as Minvar, two phase stainless steels；
2nd, valve shaft, valve seat are using super-low carbon stainless steel such as two phase stainless steel, 316L；
3rd, internal other nonmetallic parts are using super-low carbon stainless steel such as two phase stainless steel, 316L.
But, the deployment cost of above-mentioned material is high, particularly two-phase stainless Steel material, casting this body weight weight, there is casting
Make the nickel in the hidden danger of defect, particularly nickel chromium triangle casting, there is non-uniform phenomenon in chromium casting process, cause nickel content collection
In position it is soft, the position that chromium content is concentrated is hard, increases difficulty of processing, influences corrosion resistance.
Utility model content
The problem of the purpose of this utility model is to solve existing middle be able to can aid in solid there is provided one kind in draw-bore
The full butterfly valve of the fixed keyway.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：A kind of full butterfly valve includes valve body, valve plate
And valve shaft, the valve plate is contained in the receiving space of the valve body, and the valve shaft is stretched into the receiving space of the valve body, and
Set through the valve plate；The part that the valve body and the valve plate are contacted with medium is coated with line with rubber layer；The valve shaft with
The medium contact site coats stainless steel resistant material, and the remainder of the valve shaft is set using the isolation of multiple-sealed material
Put.
Preferably, the connection pin connection prepared between the valve shaft and the valve plate using carbon steel material.
Preferably, in addition to the Upper shaft sleeve that is set on the outside of the upper shaft end of the valve shaft, relative the two of the Upper shaft sleeve
End is equipped with the encapsulant, and the encapsulant is sheathed on the outside of the upper shaft end, and with the valve body
Wall is in sealing contact.
Preferably, in addition to the Lower shaft sleeve that is set on the outside of the lower shaft end of the valve shaft, set in one end of the Lower shaft sleeve
There is the encapsulant being sheathed on the outside of the upper shaft end, the encapsulant is contacted with the inner wall sealing of the valve body.
Preferably, the Upper shaft sleeve and the Lower shaft sleeve use two-phase stainless Steel material for skeleton, and liner is based on PTFE
Self-lubricating composite.
Preferably, the material of main part of the valve body and the valve plate is from cast member or the group welding piece of steel plate assembly welding shaping.
Preferably, the valve shaft is prepared from using 40Cr materials, and coats resistant material in the outside of the valve shaft.
Preferably, the encapsulant is rubber packing material or metallic sealing material.
Compared to prior art, the technical scheme that the utility model is provided has the advantages that：
1st, in the full butterfly valve, the group welding piece or casting using the valve body and the valve plate is matrixes, and in institute
State the part that valve body and the valve plate contact with medium and be coated with line with rubber layer, so as to strengthen the anti-of the full butterfly valve
Corrosive nature；
2nd, in the full butterfly valve, the valve shaft coats stainless steel resistant material with the medium contact site,
The remainder of the valve shaft is isolated using multiple-sealed material to be set, and so as to reduce cost, improves the anticorrosive of product
Performance；
3rd, be equipped with the encapsulant in the opposite end of the Upper shaft sleeve, and the encapsulant be sheathed on it is described
The outside of upper shaft end, and contacted with the valve seal；It is provided with and is sheathed on the outside of the lower shaft end in one end of the Lower shaft sleeve
The encapsulant, the encapsulant contacts with the inner wall sealing of the valve body, thus can improve the valve shaft with it is described
The sealing property of valve body.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model
It is improper to limit.In the accompanying drawings：
The cross-sectional view for the full butterfly valve that Fig. 1 provides for the utility model embodiment；
Fig. 2 is the upper axial end portion cross-section structure enlarged diagram of valve shaft in full butterfly valve shown in Fig. 1；
Fig. 3 is the lower shaft end cut-away section structure enlarged diagram of valve shaft in full butterfly valve shown in Fig. 1.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are clearer, clear, with
Under in conjunction with the accompanying drawings and embodiments, the utility model is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Please refer to Fig. 1, Fig. 2 and Fig. 3, full butterfly valve 100 described in the utility model includes valve body 10, valve plate 20
With valve shaft 30, the valve plate 20 is contained in the receiving space of the valve body 10, and the valve shaft 30 stretches into the receipts of the valve body 10
Hold in space, and set through the valve plate 20.Moreover, using carbon steel material system between the valve shaft 30 and the valve plate 20
Standby connecting pin 101 is connected.
Wherein, the material of main part of the valve body 10 and the valve plate 20 selects steel plate assembly welding shaping, and uses corrosion-resistant rubber
Glue vulcanization cladding, because the consistency of steel plate is high so that casting flaw is not present in the valve body 10 and the valve plate 20.
Moreover, the part that the valve body 10 and the valve plate 20 are contacted with medium is coated with line with rubber layer 102, so that by corruption
Corrosion medium and carbon steel material are completely isolated.Selectively, the line with rubber layer 102 has rubber processing to form, and the rubber
Hardness is Shao Er D >=75, it is possible to carry out secondary operation.
Certainly, the present embodiment is not limited to, in other alternate embodiments, the valve body 10 and the valve plate 20 can also
Matrix is done using cast member, and the part contacted in the cast member with medium is protected using full lining adhesive process.
The valve shaft 30 and the medium contact site coat stainless steel resistant material, and the valve shaft 30 remaining
Part is isolated using multiple-sealed material 301 to be set.In the present embodiment, the valve shaft 30 is prepared from using 40Cr materials,
And coat resistant material in the outside of the valve shaft 30.Selectively, the encapsulant 301 can be rubber packing material
Or metallic sealing material.
Further, the full butterfly valve 100 also includes being located at the Upper shaft sleeve 40 on the outside of the upper shaft end of the valve shaft 30
With the Lower shaft sleeve 50 being set on the outside of the lower shaft end of the valve shaft 30.
Specifically, the opposite end in the Upper shaft sleeve 40 is equipped with the encapsulant 301, and the encapsulant
301 are sheathed on the outside of the upper shaft end, and are contacted with the inner wall sealing of the valve body 10；Set in one end of the Lower shaft sleeve 50
There are the encapsulant 301 being sheathed on the outside of the lower shaft end, the inner wall sealing of the encapsulant 301 and the valve body 10
Contact, therefore the sealing property of the valve shaft 30 and the valve body 10 can be improved.
In the present embodiment, the Upper shaft sleeve 40 and the Lower shaft sleeve 50 use two-phase stainless Steel material for skeleton, interior
Serve as a contrast the self-lubricating composite based on PTFE.
Compared to prior art, the technical scheme that the utility model is provided has the advantages that：
1st, in the full butterfly valve, the group welding piece or casting using the valve body and the valve plate is matrixes, and in institute
State the part that valve body and the valve plate contact with medium and be coated with line with rubber layer, so as to strengthen the anti-of the full butterfly valve
Corrosive nature；
2nd, in the full butterfly valve, the valve shaft coats stainless steel resistant material with the medium contact site,
The remainder of the valve shaft is isolated using multiple-sealed material to be set, and so as to reduce cost, improves the anticorrosive of product
Performance；
3rd, be equipped with the encapsulant in the opposite end of the Upper shaft sleeve, and the encapsulant be sheathed on it is described
The outside of upper shaft end, and contacted with the valve seal；It is provided with and is sheathed on the outside of the lower shaft end in one end of the Lower shaft sleeve
The encapsulant, the encapsulant contacts with the inner wall sealing of the valve body, thus can improve the valve shaft with it is described
The sealing property of valve body.
Preferred embodiment of the present utility model has shown and described in described above, as previously described, it should be understood that this practicality is new
Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various other groups
Close, change and environment, and above-mentioned teaching or the technology of association area can be passed through in utility model contemplated scope described herein
Or knowledge is modified.And the change and change that those skilled in the art are carried out do not depart from spirit and scope of the present utility model, then
All should be in the protection domain of the utility model appended claims.
Claims (8)
1. a kind of full butterfly valve, it is characterised in that including valve body, valve plate and valve shaft, the valve plate is contained in the valve body
In receiving space, the valve shaft is stretched into the receiving space of the valve body, and is set through the valve plate；
The part that the valve body and the valve plate are contacted with medium is coated with line with rubber layer；
The valve shaft coats stainless steel resistant material with the medium contact site, and the remainder of the valve shaft uses multiple tracks
Encapsulant isolation is set.
2. a kind of full butterfly valve as claimed in claim 1, it is characterised in that：Carbon is used between the valve shaft and the valve plate
Connection pin connection prepared by Steel material.
3. a kind of full butterfly valve as claimed in claim 1, it is characterised in that：Also include the upper shaft end for being set in the valve shaft
The Upper shaft sleeve in outside, the encapsulant is equipped with the opposite end of the Upper shaft sleeve, and the encapsulant is sheathed on
The outside of the upper shaft end, and contacted with the inner wall sealing of the valve body.
4. a kind of full butterfly valve as claimed in claim 3, it is characterised in that：Also include the lower shaft end for being set in the valve shaft
The Lower shaft sleeve in outside, the encapsulant being sheathed on described on the outside of shaft end is provided with one end of the Lower shaft sleeve, described close
Closure material is contacted with the inner wall sealing of the valve body.
5. a kind of full butterfly valve as claimed in claim 4, it is characterised in that：The Upper shaft sleeve and the Lower shaft sleeve are used
Two-phase stainless Steel material is skeleton, self-lubricating composite of the liner based on PTFE.
6. a kind of full butterfly valve as claimed in claim 1, it is characterised in that：The material of main part of the valve body and the valve plate
From cast member or the group welding piece of steel plate assembly welding shaping.
7. a kind of full butterfly valve as claimed in claim 1, it is characterised in that：The valve shaft is using the preparation of 40Cr materials
Into.
8. a kind of full butterfly valve as claimed in claim 1, it is characterised in that：The encapsulant be rubber packing material or
Metallic sealing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487789.9U CN206458835U (en) | 2016-12-30 | 2016-12-30 | A kind of full butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487789.9U CN206458835U (en) | 2016-12-30 | 2016-12-30 | A kind of full butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458835U true CN206458835U (en) | 2017-09-01 |
Family
ID=59697639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621487789.9U Active CN206458835U (en) | 2016-12-30 | 2016-12-30 | A kind of full butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442098A (en) * | 2020-05-08 | 2020-07-24 | 安徽沃泰控制阀门有限公司 | Butterfly valve for explosion-proof pipe of heating system |
-
2016
- 2016-12-30 CN CN201621487789.9U patent/CN206458835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442098A (en) * | 2020-05-08 | 2020-07-24 | 安徽沃泰控制阀门有限公司 | Butterfly valve for explosion-proof pipe of heating system |
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