CN206845923U - A kind of leakproof butterfly valve - Google Patents
A kind of leakproof butterfly valve Download PDFInfo
- Publication number
- CN206845923U CN206845923U CN201720606050.3U CN201720606050U CN206845923U CN 206845923 U CN206845923 U CN 206845923U CN 201720606050 U CN201720606050 U CN 201720606050U CN 206845923 U CN206845923 U CN 206845923U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- annex
- leakproof
- dish plate
- 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
- 239000002775 capsule Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 230000003405 preventing effect Effects 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
A kind of leakproof butterfly valve, including valve body, the valve body upper end is provided with upper annex, the lower end of valve body is provided with lower annex, valve rod enters in lower annex after sequentially passing through annex and valve body, the part that the valve rod is located in valve body is provided with the dish plate for being opened and closed, and the inwall of the valve body is provided with pressure bladder, and the periphery of the dish plate is provided with some fins.The utility model provides a kind of butterfly valve with leak preventing effect, by pressure bladder and the flexible gluing, sealing of dish plate periphery, substantially increases sealing property, while simple in construction, and assembling is changed convenient.
Description
Technical field
The utility model belongs to industrial valve field, and in particular to a kind of leakproof butterfly valve.
Background technology
In industrial circle, especially in pipeline medium transportation art, the application of industrial valve is quite varied.Wherein, butterfly
Valve is widely used in gas-solid pipeline system.Butterfly valve is called flap valve, is one kind disc type opening and closing element reciprocating rotating 0
The valve of closing, unlatching and regulation flow is realized to 90 °, there is the advantages of simple in construction, small volume, easy to operate, in work
Using quite varied in industry field.Butterfly valve in use, relies primarily on the periphery of valve plate and being brought into close contact for valve interior wall
To realize sealing, but because contact area is small, and the problems such as constantly wear, easily there is sealed thin weakness on binding face, lead
Cause the situation of leakage to occur, influence using effect.
For problem above, applicant carried out research, there is provided a kind of butterfly valve of good leak-proof effect.
Utility model content
For above-mentioned deficiency of the prior art, the utility model provides a kind of leakproof butterfly valve, the sealing at valve port
Can good, effective leakproof
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals.
A kind of leakproof butterfly valve, including valve body, the valve body upper end are provided with upper annex, and the lower end of valve body is provided with lower annex, valve
Bar enters in lower annex after sequentially passing through annex and valve body, and the part that the valve rod is located in valve body is provided with the dish for being opened and closed
Plate, the inwall of the valve body are provided with pressure bladder, and the periphery of the dish plate is provided with some fins.
Butterfly valve of the prior art typically realizes sealing by the hard contact of dish plate and valve interior wall, and sealing effectiveness is not
It is good, easily there is situation about leaking.
In the application, when rotation valve rod close valve operation, the fin on dish plate periphery can extrude close with pressure bladder
The contact position of envelope, now air bag and dish plate, air bag can be embedded into the effect that good sealing and anti-leakage is realized in the groove between fin
Fruit.
Preferably, the periphery of the dish plate is provided with three fins, oblique fin and the centre in respectively two outsides
Center fin, and the height of center fin protrusion is less than the height of oblique fin protrusion.During dish plate rotates and closes valve,
Oblique fin on dish plate is first contacted with pressure bladder, and air sac pressing is entered in the groove between two oblique fins, then continues to squeeze
Pressure, surface and the center fin of pressure bladder are brought into close contact, now with good leak preventing effect.
Preferably, the pressure bladder is installed in the mounting groove on valve interior wall by arc mounting bar, installation side
Just, it is conveniently replaceable, pressure bladder part protrusion valve interior wall, for crush seal.
Preferably, the arc mounting bar is magnetic mounting bar, by magnetic-adsorption in mounting groove.
Compared with prior art, the utility model has the advantages that：Provide a kind of butterfly with leak preventing effect
Valve, by pressure bladder and the flexible gluing, sealing of dish plate periphery, sealing property is substantially increased, while simple in construction, assembling
It is convenient to change.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the schematic diagram for omitting dish plate.
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3.
Fig. 5 is the schematic diagram of valve rod and dish plate.
Fig. 6 is the schematic diagram in A-A directions in Fig. 5.
Fig. 7 is the enlarged drawing of B area in Fig. 6.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Reference picture 1 to Fig. 7, a kind of leakproof butterfly valve, including valve body 3, the upper end of valve body 3 is provided with upper annex 1, valve body 3
Lower end is provided with lower annex 5, and upper annex 1 and lower annex 5 are provided with mounting hole 11, after valve rod 2 sequentially passes through annex 1 and valve body 3
Into in lower annex 5, the part that the valve rod 2 is located in valve body 3 is provided with the dish plate 6 for being opened and closed, and the top of valve rod 2, which is provided with, to be connected
Fitting 21, for connecting driving structure；The inwall of the valve body 3 is provided with pressure bladder 4, and the periphery of the dish plate 6 is provided with
Three fins, the oblique fin 211 in respectively two outsides and middle center fin 212, and the height that center fin 212 protrudes
Less than the height of oblique fin 211 protrusion, meanwhile, in order to increase the wearability of fin, the fin in this technology is hard alloy material
Material is made, such as tungsten steel alloy material.
In present embodiment, the pressure bladder 4 is installed in the mounting groove on valve interior wall by arc mounting bar 41,
Valve interior wall is protruded in the part of pressure bladder 4, while to facilitate installation, the arc mounting bar 41 is magnetic mounting bar, passes through
Magnetic attraction can be adsorbed in mounting groove inwall 31, and the mounting groove inwall 31 can also be attracting magnetic patch.
In addition, in present embodiment, reinforcing ring 37 is also embedded with the both sides of valve interior wall, the reinforcing ring 37 closes for hard
Golden material is made, and such as tungsten steel alloy material, has good anti-wear performance, can be avoided in solid dielectric flows scour process
Scratch, increase the life-span.
Butterfly valve in the utility model is in use, by drive mechanism, such as wheel disc, rotating bar, rotation valve rod 2, can be with
The rotation of dish plate 6 is driven, realizes opening and closing, during closure, fin on the periphery of dish plate 6 can be with the crush seal of pressure bladder 4, now gas
The contact position of capsule and dish plate 6, pressure bladder 6 can be embedded into the effect that good sealing and anti-leakage is realized in the groove between fin.
Described above, the utility model provides a kind of butterfly valve with leak preventing effect, by outside pressure bladder and dish plate
The flexible gluing, sealing in week, substantially increases sealing property, while simple in construction, and assembling is changed convenient.
The scope of protection of the utility model includes but is not limited to embodiment of above, and the scope of protection of the utility model is to weigh
Sharp claim is defined, and any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement are each fallen within
The scope of protection of the utility model.
Claims (4)
1. a kind of leakproof butterfly valve, including valve body（3）, the valve body（3）Upper end is provided with upper annex（1）, valve body（3）Lower end be provided with
Lower annex（5）, valve rod（2）Sequentially pass through annex（1）And valve body（3）Enter lower annex afterwards（5）In, the valve rod（2）It is located at
Valve body（3）In part be provided with for be opened and closed dish plate（6）, it is characterised in that the valve body（3）Inwall be provided with blanket gas
Capsule（4）, the dish plate（6）Periphery be provided with some fins.
A kind of 2. leakproof butterfly valve according to claim 1, it is characterised in that the dish plate（6）Periphery be provided with three
Fin, the oblique fin in respectively two outsides（211）With the center fin of centre（212）, and center fin（212）The height of protrusion
Degree is less than oblique fin（211）The height of protrusion.
A kind of 3. leakproof butterfly valve according to claim 1, it is characterised in that the pressure bladder（4）Installed by arc
Bar（41）It is installed in the mounting groove on valve interior wall, pressure bladder（4）Part protrusion valve interior wall.
A kind of 4. leakproof butterfly valve according to claim 3, it is characterised in that the arc mounting bar（41）Installed for magnetic
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606050.3U CN206845923U (en) | 2017-05-27 | 2017-05-27 | A kind of leakproof butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606050.3U CN206845923U (en) | 2017-05-27 | 2017-05-27 | A kind of leakproof butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845923U true CN206845923U (en) | 2018-01-05 |
Family
ID=60797756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606050.3U Expired - Fee Related CN206845923U (en) | 2017-05-27 | 2017-05-27 | A kind of leakproof butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365475A (en) * | 2020-04-08 | 2020-07-03 | 扬州市欧维佳机械有限公司 | Reliably sealed butterfly valve |
-
2017
- 2017-05-27 CN CN201720606050.3U patent/CN206845923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365475A (en) * | 2020-04-08 | 2020-07-03 | 扬州市欧维佳机械有限公司 | Reliably sealed 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: 20180105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |