CN204554040U - For the packing ring auxiliary fixing device of Pneumatic butterfly valve - Google Patents
For the packing ring auxiliary fixing device of Pneumatic butterfly valve Download PDFInfo
- Publication number
- CN204554040U CN204554040U CN201520187912.4U CN201520187912U CN204554040U CN 204554040 U CN204554040 U CN 204554040U CN 201520187912 U CN201520187912 U CN 201520187912U CN 204554040 U CN204554040 U CN 204554040U
- Authority
- CN
- China
- Prior art keywords
- packing ring
- hole
- butterfly valve
- fixing device
- diameter
- 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
- 238000012856 packing Methods 0.000 title claims abstract description 46
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of packing ring auxiliary fixing device for Pneumatic butterfly valve, with the end cap of packing ring and cylinder butterfly valve with the use of, packing ring auxiliary fixing device is arranged between the end cap of packing ring and cylinder butterfly valve, described packing ring is ring, described packing ring auxiliary fixing device comprises the circular plate body that 304 stainless steels are made, the diameter of described plate body equals the external diameter of the Pneumatic butterfly valve that it is applied, the first through hole is offered in the middle part of described plate body, the diameter of described first through hole equals the internal diameter of described packing ring, described plate body is also provided with at least four the first bolts hole, the inner wall smooth of described first bolt hole, all described first bolts hole to be centrally located at the center of described first through hole be the center of circle first circumferentially, distance often between adjacent two described first bolts hole is equal.Packing ring auxiliary fixing device described in the utility model and plain washer with the use of after can reach good sealing effect, improve maintenance efficiency, economize on resources.
Description
Technical field
The utility model relates to a kind of auxiliary fixing device, particularly relates to a kind of packing ring auxiliary fixing device for Pneumatic butterfly valve.
Background technique
In water treatment procedure, once, to the every 24 hours needs aerations in filter tank aerating step realized by Pneumatic butterfly valve.This Pneumatic butterfly valve uses for a long time, and the chlorine content of adding in pond is higher, the aluminium end cap seriously corroded before the cylinder of Pneumatic butterfly valve, the corrosion at cylinder seal circle place and seal ring is aging causes gas leak phenomenon.The cylinder supply gas pressure of this Pneumatic butterfly valve is at 6-10mpa, and gas leakage causes pressure drop, produces produce considerable influence to technique filter tank.
In order to ensure the quality of products, existing Pneumatic butterfly valve is generally imported product, and import Pneumatic butterfly valve uses for many years, and the aging and wearing and tearing of its O type circle cause cylinder piston to leak air, thus cause cylinder normally to work.Because the situation stopping production appearring in import O type circle sometimes, and the O type circle of domestic Multiple Type all cannot reach sealing effect before this, if customization processing cost is higher again, and lead time is long, cannot solve practical problems as early as possible.Because most of domestic production technology cannot reach external genuine man production standard and requirement, the O type circle of customization cannot reach original effect on sealing effect, and cylinder is underpressure when work, produces certain impact to subsequent production.If directly change whole import Pneumatic butterfly valve, need amendment to many places such as pipeline, space, mounting types, cost drops into excessive, and the Pneumatic butterfly valve simultaneously abandoning most of function intact causes the wasting of resources.
Therefore, be necessary to provide a kind of new device to solve the problems referred to above.
Model utility content
The purpose of this utility model be to provide a kind of can with plain washer with the use of the packing ring auxiliary fixing device for Pneumatic butterfly valve reaching better sealing effect.
To achieve these goals, the technological scheme that adopts of the utility model is as follows:
A kind of packing ring auxiliary fixing device for Pneumatic butterfly valve, with the end cap of packing ring and cylinder butterfly valve with the use of, described packing ring auxiliary fixing device is arranged between the end cap of described packing ring and described cylinder butterfly valve, described packing ring is ring, described packing ring auxiliary fixing device comprises the circular plate body that 304 stainless steels are made, the diameter of described plate body equals the external diameter of the Pneumatic butterfly valve that it is applied, the first through hole is offered in the middle part of described plate body, the diameter of described first through hole equals the internal diameter of described packing ring, described plate body is also provided with at least four the first bolts hole, the inner wall smooth of described first bolt hole, all described first bolts hole to be centrally located at the center of described first through hole be the center of circle first circumferentially, distance often between adjacent two described first bolts hole is equal.
Preferably, the thickness of described plate body is 1.5mm, and the external diameter of described plate body is 135mm, and the diameter of described first through hole is 35mm, and the internal diameter of described first bolt hole is 10mm, and the diameter of described first circumference is 103mm.
Preferably, described end cap comprises circular lid, the middle part of described circular lid is provided with the second through hole, described second through hole is equal with described first through-hole diameter and position is corresponding, described lid is also provided with second bolt hole corresponding with described first bolt hole, the inwall of described second bolt hole is provided with internal thread, the external diameter of described internal thread equals the diameter of described first bolt hole, the edge of described circular lid is provided with at least two fixed bases, distance often between adjacent two described fixed bases is equal, and described fixed base is provided with at least one the 3rd bolt hole.
Compared with prior art, the beneficial effect of packing ring auxiliary fixing device that the utility model is used for Pneumatic butterfly valve is: described packing ring auxiliary fixing device and plain washer with the use of after can reach good sealing effect, improve maintenance efficiency, economize on resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the packing ring auxiliary fixing device of Pneumatic butterfly valve;
Fig. 2 is the structural representation of packing ring described in the utility model;
Fig. 3 is the structural representation of end cap described in the utility model.
In figure, each mark is as follows: 1, packing ring auxiliary fixing device; 101, plate body; 102, the first through hole; 103, the first bolt hole; 2, packing ring; 3, end cap; 301, lid; 302, the second through hole; 303, the second bolt hole; 304, fixed base; 305, the 3rd bolt hole.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.
Refer to shown in Fig. 1 to Fig. 3, the end cap 3 of the packing ring auxiliary fixing device 1 that the utility model is used for Pneumatic butterfly valve and packing ring 2 and cylinder butterfly valve with the use of, described packing ring auxiliary fixing device 1 is arranged between the end cap 3 of described packing ring 2 and described cylinder butterfly valve, described packing ring 2 is the O type circle of ring, described packing ring auxiliary fixing device 1 comprises the circular plate body 101 that 304 stainless steels are made, the diameter of described plate body 101 equals the external diameter of the Pneumatic butterfly valve that it is applied, the first through hole 102 is offered in the middle part of described plate body 101, the diameter of described first through hole 102 equals the internal diameter of described packing ring 2, described plate body 101 is also provided with at least four the first bolts hole 103, the inner wall smooth of described first bolt hole 103, all described first bolts hole 103 to be centrally located at the center of described first through hole 102 be the center of circle first circumferentially, distance often between adjacent two described first bolts hole 103 is equal.
In the present embodiment, the thickness of described plate body 101 is 1.5mm, and the external diameter of described plate body 101 is 135mm, and the diameter of described first through hole 102 is 35mm, and the internal diameter of described first bolt hole 103 is 10mm, and the diameter of described first circumference is 103mm.
Described end cap 3 comprises circular lid 301, the middle part of described circular lid 301 is provided with the second through hole 302, described second through hole 302 is with described first through hole 102 equal diameters and position is corresponding, described lid 301 is also provided with second bolt hole 303 corresponding with described first bolt hole 103, the inwall of described second bolt hole 303 is provided with internal thread, the external diameter of described internal thread equals the diameter of described first bolt hole 103, the edge of described circular lid 301 is provided with at least two fixed bases 304, distance often between adjacent two described fixed bases 304 is equal, described fixed base 304 is provided with at least one the 3rd bolt hole 305.
In the present embodiment, the quantity of described first bolt hole 103 and the second bolt hole 303 is 4, fixed base 304 is provided with two, each fixed base 304 is provided with two the 3rd bolts hole 305, when embody rule, also according to the fixed effect of the size of end cap 3 and actual demand, the quantity of the first bolt hole 103 and the second bolt hole 303 can be increased to 5 or 6, the quantity of described fixed base 304 also can suitably increase, and the more fixed effects of quantity are better.
During use, first installed by packing ring 2, then install described packing ring auxiliary fixing device 1, then install described end cap 3, last construction bolt is fixed.
When embody rule, in order to strengthen sealing further, can also arrange a circle O-ring seal at the edge of packing ring auxiliary fixing device 1, on the medial axis being centrally located at described packing ring auxiliary fixing device 1 of this O-ring seal, the internal diameter of this O-ring seal equals the external diameter of described packing ring 2.
Schematically above be described the utility model and mode of execution thereof, this description does not have restricted, and also just one of the mode of execution of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the mode of structure similar to this technological scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (3)
1. the packing ring auxiliary fixing device for Pneumatic butterfly valve, with the end cap of packing ring and cylinder butterfly valve with the use of, described packing ring auxiliary fixing device is arranged between the end cap of described packing ring and described cylinder butterfly valve, described packing ring is ring, it is characterized in that: described packing ring auxiliary fixing device comprises the circular plate body that 304 stainless steels are made, the diameter of described plate body equals the external diameter of the Pneumatic butterfly valve that it is applied, the first through hole is offered in the middle part of described plate body, the diameter of described through hole first equals the internal diameter of described packing ring, described plate body is also provided with at least four the first bolts hole, the inner wall smooth of described first bolt hole, all described first bolts hole to be centrally located at the center of described first through hole be the center of circle first circumferentially, distance often between adjacent two described first bolts hole is equal.
2. as claimed in claim 1 for the packing ring auxiliary fixing device of Pneumatic butterfly valve, it is characterized in that: the thickness of described plate body is 1.5mm, the external diameter of described plate body is 135mm, the diameter of described first through hole is 35mm, the internal diameter of described first bolt hole is 10mm, and the diameter of described first circumference is 103mm.
3. as claimed in claim 1 for the packing ring auxiliary fixing device of Pneumatic butterfly valve, it is characterized in that: described end cap comprises circular lid, the middle part of described circular lid is provided with the second through hole, described second through hole is equal with described first through-hole diameter and position is corresponding, described lid is also provided with second bolt hole corresponding with described first bolt hole, the inwall of described second bolt hole is provided with internal thread, the external diameter of described internal thread equals the diameter of described first bolt hole, the edge of described circular lid is provided with at least two fixed bases, distance often between adjacent two described fixed bases is equal, described fixed base is provided with at least one the 3rd bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187912.4U CN204554040U (en) | 2015-03-31 | 2015-03-31 | For the packing ring auxiliary fixing device of Pneumatic butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187912.4U CN204554040U (en) | 2015-03-31 | 2015-03-31 | For the packing ring auxiliary fixing device of Pneumatic butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204554040U true CN204554040U (en) | 2015-08-12 |
Family
ID=53829151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520187912.4U Expired - Fee Related CN204554040U (en) | 2015-03-31 | 2015-03-31 | For the packing ring auxiliary fixing device of Pneumatic butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204554040U (en) |
-
2015
- 2015-03-31 CN CN201520187912.4U patent/CN204554040U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |