CN204828765U - Cluster spring formula diaphragm valve - Google Patents
Cluster spring formula diaphragm valve Download PDFInfo
- Publication number
- CN204828765U CN204828765U CN201520500165.5U CN201520500165U CN204828765U CN 204828765 U CN204828765 U CN 204828765U CN 201520500165 U CN201520500165 U CN 201520500165U CN 204828765 U CN204828765 U CN 204828765U
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- China
- Prior art keywords
- spring
- valve
- valve body
- diaphragm
- cluster
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- Expired - Fee Related
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Abstract
The utility model relates to a cluster spring formula diaphragm valve with the system is thrown to the measuring pump, belongs to trade fields such as oil, chemical industry, electric power, food and beverage, papermaking and water treatment. The utility model discloses constitute by descending valve body, last valve body, diaphragm, supporting disk, big spring, little spring, regulation double -screw bolt, valve cap and screw and packing ring. It has mainly utilized technical measures such as combination spring assembly, valve body runner structure and pressure adjustment mechanism, is applied to this cluster spring formula diaphragm valve to cluster spring technique, diaphragm technique and sealed principle, realizes that the blowdown presssure of diaphragm valve is set for, overflows the isolation of medium and sealed.
Description
Technical field
The utility model relates to a kind of cluster spring formula membrane valve for metering pump dosing system, is installed on pipeline and is used as Decompression valves or back pressure valve, belong to the industry fields such as oil, chemical industry, electric power, food and drink, papermaking and water treatment.
Structurally Decompression valves is identical with back pressure valve, and difference is only that the installation direction of its manhole appendix is contrary.The effect of pipeline being installed Decompression valves is when system pressure is higher than pump rated pressure, and Decompression valves is opened to protect metering pump and delivery line; The effect of installing back pressure valve metering pump is exported produce certain back pressure, prevents siphonage.
Background technique
The type structure of current existing field correlation technique is that single spring action realizes sealing on barrier film and discharge pressure regulates.The shortcoming of this kind of structure is that speed of response is comparatively slow, and volume is larger.
Summary of the invention
The object of this invention is to provide a kind of novel cluster spring formula membrane valve for metering pump dosing system, improvement has been made to the structure of original common diaphragm valve, the needs (as Fig. 1) of, stable performance fast with adaptive response speed, compact structure.
The utility model solves the technological scheme that its technical problem adopts: this cluster spring formula membrane valve being used for metering pump dosing system comprises: lower valve body, upper valve body, barrier film, supporting disk, big spring, little spring, adjustment stud, bonnet and screw and packing ring.The built-in cluster spring of membrane valve upper valve body, i.e. suit one little spring in big spring, in parallel connection.Cluster spring two ends are respectively by adjustment stud and supporting disk location, and its lower end is pressed on barrier film by supporting disk, rotates the discharge pressure regulating the adjustable membrane valve of stud.Upper valve body is connected fastening with lower valve body by border screw, and compresses diaphragm edge realization sealing.The working principle of this membrane valve is: in the middle part of lower valve body, the passage of valve seat communicates with the manhole appendix of its bi-side, relies on the barrier film be pressed on valve seat end face to realize the opening and closing of membrane valve.When the pressure of pipe-line system exceedes setting discharge pressure, diaphragm is opened by medium top, and membrane valve is opened; When system pressure reduces to specified value, diaphragm is blinded off a line under the effect of cluster spring elastic force.
The cluster spring formula membrane valve for metering pump dosing system that the utility model provides, its beneficial effect is:
Compare with single spring diaphragm valve of pressure with identical latus rectum, there is compact structure, stable performance, respond fast advantage.
Accompanying drawing explanation
Fig. 1 is the section of structure of the utility model cluster spring formula membrane valve.
Concrete enforcement
In FIG, valve body under 1-, 2-upper valve body, 3-barrier film, 4-supporting disk, 5-big spring, 6-little spring, 7-regulates stud, 8-bonnet, 9-screw, 10-packing ring.
Be set with a little spring 6 in the center of big spring 5, form cluster spring, in parallel connection, they realize feeling relieved with regulating stud 7 by supporting disk 4.Regulate stud 7 to compress spring force that two springs produce is pressed in barrier film 3 on the valve seat end face of lower valve body 1 by supporting disk 4 and realizes sealing.Rotate adjusting bolt 7, spring force increases, and membrane valve cracking pressure strengthens; Otherwise membrane valve cracking pressure reduces.
Claims (2)
1. for a cluster spring formula membrane valve for metering pump dosing system, be made up of lower valve body, upper valve body, barrier film, supporting disk, cluster spring, adjustment stud, bonnet and screw and packing ring, it is characterized in that: the built-in combination Compress Spring of upper valve body.
2. cluster spring formula membrane valve according to claim 1, it is characterized in that the combination Compress Spring that big spring (5) and little spring (6) are formed is placed in cluster spring formula membrane valve, big spring (5) center is set with a little spring (6), in parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500165.5U CN204828765U (en) | 2015-07-06 | 2015-07-06 | Cluster spring formula diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500165.5U CN204828765U (en) | 2015-07-06 | 2015-07-06 | Cluster spring formula diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204828765U true CN204828765U (en) | 2015-12-02 |
Family
ID=54686368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520500165.5U Expired - Fee Related CN204828765U (en) | 2015-07-06 | 2015-07-06 | Cluster spring formula diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204828765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058535A (en) * | 2018-09-26 | 2018-12-21 | 百灵气动科技有限公司 | Pressure adjustable safety valve |
| CN113924435A (en) * | 2019-06-27 | 2022-01-11 | 株式会社富士金 | Diaphragm valve |
-
2015
- 2015-07-06 CN CN201520500165.5U patent/CN204828765U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058535A (en) * | 2018-09-26 | 2018-12-21 | 百灵气动科技有限公司 | Pressure adjustable safety valve |
| CN113924435A (en) * | 2019-06-27 | 2022-01-11 | 株式会社富士金 | Diaphragm valve |
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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: 20151202 Termination date: 20190706 |