CN204175991U - A kind of sealing configuration of centre-pivoted butterfly valve - Google Patents
A kind of sealing configuration of centre-pivoted butterfly valve Download PDFInfo
- Publication number
- CN204175991U CN204175991U CN201420618988.3U CN201420618988U CN204175991U CN 204175991 U CN204175991 U CN 204175991U CN 201420618988 U CN201420618988 U CN 201420618988U CN 204175991 U CN204175991 U CN 204175991U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- end cap
- lubricant oil
- oil bearing
- valve
- 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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- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of sealing configuration of centre-pivoted butterfly valve, comprise valve body, butterfly plate, upper valve rod, lower valve rod, described upper valve rod and lower valve rod are all provided with non lubricant oil bearing, non lubricant oil bearing on described butterfly plate and upper valve rod, between non lubricant oil bearing on butterfly plate and lower valve rod, O RunddichtringO is all installed, between described upper valve rod and valve body, upper end cap is installed, between described lower valve rod and valve body, lower end cap is installed, non lubricant oil bearing on described upper valve rod and upper end cap, between non lubricant oil bearing on lower valve rod and lower end cap, filler is installed, described upper end cap and lower end cap are arranged on valve body by screw.The utility model utilizes O RunddichtringO to carry out linear sealing to reduce sealing contact surface and amass, be provided with non lubricant oil bearing, reduce butterfly switch frictional force, reduce switch moment; Adopt end bracket enclosed simultaneously, be convenient to dismounting, can add filler to compress the O RunddichtringO of wearing and tearing, also replaceable O RunddichtringO, prevents butterfly valve from revealing.
Description
Technical field
The utility model relates to a kind of sealing configuration of centre-pivoted butterfly valve.
Background technique
Centre-pivoted butterfly valve is as a kind of parts being used for realizing pipe-line system break-make and flow control, be applicable on the system pipelines such as oil, chemical industry, food, medicine, papermaking, water power, boats and ships, plumbing, smelting and the energy, can as regulating and throttle device use on multiple corrosivity, noncorrosive gas, liquid, semifluid and pressed powder pipeline and container.At present, the butterfly plate upper and lower two ends sealing surface of centre-pivoted butterfly valve is wider, and valve body and valve rod adopt gap-contact, and during switch, frictional force is comparatively large, and switch moment is larger; The seal ring of valve and valve seat aging after, cannot keep in repair, substantially reduce the working life of valve.
Summary of the invention
For above-mentioned the deficiencies in the prior art part, the utility model provides the sealing configuration of the easy-to-mount centre-pivoted butterfly valve that a kind of switch moment is little.
To achieve these goals, the technical solution adopted in the utility model is:
The sealing configuration of a kind of centre-pivoted butterfly valve described in the utility model, comprise valve body, butterfly plate, upper valve rod, lower valve rod, it is characterized in that: described upper valve rod and lower valve rod are all provided with non lubricant oil bearing, non lubricant oil bearing on described butterfly plate and upper valve rod, between non lubricant oil bearing on butterfly plate and lower valve rod, O RunddichtringO is all installed, between described upper valve rod and valve body, upper end cap is installed, between described lower valve rod and valve body, lower end cap is installed, non lubricant oil bearing on described upper valve rod and upper end cap, between non lubricant oil bearing on lower valve rod and lower end cap, filler is installed, described upper end cap and lower end cap are arranged on valve body by screw.
Further, described upper end cap and valve body, all gasket seal is installed between lower end cap and valve body.
Compared with prior art, the beneficial effects of the utility model:
The sealing configuration of a kind of centre-pivoted butterfly valve described in the utility model, utilizes O RunddichtringO to carry out linear sealing and reduces sealing contact surface and amass, be provided with non lubricant oil bearing, reduce butterfly switch frictional force, reduce switch moment; Adopt end bracket enclosed simultaneously, be convenient to dismounting, can add filler to compress the O RunddichtringO of wearing and tearing, also replaceable O RunddichtringO, prevents butterfly valve from revealing.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the sealing configuration of a kind of centre-pivoted butterfly valve described in the utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the sealing configuration of a kind of centre-pivoted butterfly valve described in the utility model, comprise valve body 2, butterfly plate 7, upper valve rod 6, lower valve rod 8, it is characterized in that: described upper valve rod 6 and lower valve rod 8 are all provided with non lubricant oil bearing 4, described butterfly plate 7 and the non lubricant oil bearing 4 on upper valve rod 6, between non lubricant oil bearing 4 on butterfly plate 7 and lower valve rod 8, O RunddichtringO 5 is all installed, between described upper valve rod 6 and valve body 2, upper end cap 1 is installed, between described lower valve rod 8 and valve body 2, lower end cap 9 is installed, non lubricant oil bearing 4 on described upper valve rod 6 and upper end cap 1, between non lubricant oil bearing 4 on lower valve rod 8 and lower end cap 9, filler 3 is installed, described upper end cap 1 and lower end cap 9 are arranged on valve body 2 by screw, described upper end cap 1 and valve body 2, all gasket seal is installed between lower end cap 9 and valve body 2.
The sealing configuration of a kind of centre-pivoted butterfly valve described in the utility model, utilizes O RunddichtringO 5 to carry out linear sealing and reduces sealing contact surface and amass, be provided with non lubricant oil bearing 4, reduce butterfly switch frictional force, reduce switch moment; Adopt end cap (1,9) to seal simultaneously, be convenient to dismounting, can add filler 4 to compress the O RunddichtringO 5 of wearing and tearing, also replaceable O RunddichtringO 5, prevents butterfly valve from revealing.
Claims (2)
1. the sealing configuration of a centre-pivoted butterfly valve, comprise valve body, butterfly plate, upper valve rod, lower valve rod, it is characterized in that: described upper valve rod and lower valve rod are all provided with non lubricant oil bearing, non lubricant oil bearing on described butterfly plate and upper valve rod, between non lubricant oil bearing on butterfly plate and lower valve rod, O RunddichtringO is all installed, between described upper valve rod and valve body, upper end cap is installed, between described lower valve rod and valve body, lower end cap is installed, non lubricant oil bearing on described upper valve rod and upper end cap, between non lubricant oil bearing on lower valve rod and lower end cap, filler is installed, described upper end cap and lower end cap are arranged on valve body by screw.
2. the sealing configuration of a kind of centre-pivoted butterfly valve according to claim 1, is characterized in that: described upper end cap and valve body, be all provided with gasket seal between lower end cap and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618988.3U CN204175991U (en) | 2014-10-24 | 2014-10-24 | A kind of sealing configuration of centre-pivoted butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618988.3U CN204175991U (en) | 2014-10-24 | 2014-10-24 | A kind of sealing configuration of centre-pivoted butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175991U true CN204175991U (en) | 2015-02-25 |
Family
ID=52564802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420618988.3U Expired - Fee Related CN204175991U (en) | 2014-10-24 | 2014-10-24 | A kind of sealing configuration of centre-pivoted butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175991U (en) |
-
2014
- 2014-10-24 CN CN201420618988.3U patent/CN204175991U/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 |
Granted publication date: 20150225 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |