CN204459181U - A kind of small-bore single-seat adjusting valve - Google Patents
A kind of small-bore single-seat adjusting valve Download PDFInfo
- Publication number
- CN204459181U CN204459181U CN201520017303.4U CN201520017303U CN204459181U CN 204459181 U CN204459181 U CN 204459181U CN 201520017303 U CN201520017303 U CN 201520017303U CN 204459181 U CN204459181 U CN 204459181U
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- CN
- China
- Prior art keywords
- valve
- seat
- spool
- small
- fluid
- 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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Abstract
The utility model discloses a kind of small-bore single-seat adjusting valve, comprise valve body, valve gap, valve seat, spool, valve rod, it is characterized in that, described valve body is provided with fluid inlet, fluid output, described fluid inlet and fluid output are all curved channel, the inner connectivity part of described fluid inlet and fluid output is provided with valve seat, described valve body upper end is fixedly connected with valve gap, valve rod is provided with in described valve body and valve gap, described valve rod lower end is connected with the spool that can block valve seat, and described spool is fixedly connected on the lower end of valve rod.Small-bore single-seat adjusting valve of the present utility model can be used for the fluid controlling various different pressures and temperature, fluid passage is that S is streamlined, have that droop loss is little, flow is large, adjustable extent is wide, Flow characteristics precision advantages of higher, and many springs diaphragm actuator of modulating valve adapted, there is structure little, the features such as High power output.
Description
Technical field
The utility model relates to a kind of modulating valve, specifically a kind of small-bore single-seat adjusting valve.
Background technique
In automation control system, modulating valve, as the terminal actuating device in automatic regulating system, according to the command signal of control system, is regulated spool stroke by the actuator supporting with it, thus reaches the object of adjust flux.Conventional single-seat adjusting valve structure is made up of valve body, valve seat, spool, valve gap, valve rod, filling body, fastening piece and Sealing.When supporting actuator accept control signal carry out upper and lower straight-line displacement action time, spool be positioned at below, modulating valve is closed condition; Spool is positioned at top, and modulating valve is opening state.
Model utility content
The purpose of this utility model there is provided a kind of small-bore single-seat adjusting valve.
The technical solution of the utility model is:
A kind of small-bore single-seat adjusting valve, comprise valve body, valve gap, valve seat, spool, valve rod, it is characterized in that, described valve body is provided with fluid inlet, fluid output, and described fluid inlet and fluid output are all curved channel, and the inner connectivity part of described fluid inlet and fluid output is provided with valve seat, described valve body upper end is fixedly connected with valve gap, be provided with valve rod in described valve body and valve gap, described valve rod lower end is connected with the spool that can block valve seat, and described spool is fixedly connected on the lower end of valve rod.
Described valve rod and valve gap upper wall joint are provided with balance spring, and described balance spring is provided with filler, and described filler is pressed with Gland.
The outer surface of described spool lower end is arc surface.
Described valve gap upper end is connected with support, and described pedestal upper end is provided with actuator, and described valve rod upper end is stretched out valve gap and is connected with the output shaft of actuator.
Described actuator is many springs diaphragm actuator.
The beneficial effects of the utility model are:
Small-bore single-seat adjusting valve of the present utility model can be used for the fluid controlling various different pressures and temperature, fluid passage is that S is streamlined, have that droop loss is little, flow is large, adjustable extent is wide, Flow characteristics precision advantages of higher, and many springs diaphragm actuator of modulating valve adapted, there is structure little, the features such as High power output.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the small-bore single-seat adjusting valve of one of the present utility model, comprise valve body 1, valve gap 5, valve seat 3, spool 4, valve rod 6, it is characterized in that, described valve body 1 is provided with fluid inlet 2, fluid output 12, described fluid inlet 2 is all curved channel with fluid output 12, described fluid inlet 2 is provided with valve seat 3 with the inner connectivity part of fluid output 12, described valve body 1 upper end is fixedly connected with valve gap 5, valve rod 6 is provided with in described valve body 1 and valve gap 5, described valve rod 6 lower end is connected with the spool 4 that can block valve seat 3, described spool 4 is fixedly connected on the lower end of valve rod 6.
Described valve rod 6 is provided with balance spring 7 with valve gap 5 upper wall joint, and described balance spring 7 is provided with filler 10, and described filler 11 is pressed with Gland 10.
The outer surface of described spool 4 lower end is arc surface.
Described valve gap 5 upper end is connected with support 9, and described pedestal upper end is provided with actuator 8, and described valve rod 6 upper end is stretched out valve gap 5 and is connected with the output shaft of actuator 8.
Described actuator 8 is many springs diaphragm actuators.
Claims (5)
1. a small-bore single-seat adjusting valve, comprise valve body, valve gap, valve seat, spool, valve rod, it is characterized in that, described valve body is provided with fluid inlet, fluid output, and described fluid inlet and fluid output are all curved channel, and the inner connectivity part of described fluid inlet and fluid output is provided with valve seat, described valve body upper end is fixedly connected with valve gap, be provided with valve rod in described valve body and valve gap, described valve rod lower end is connected with the spool that can block valve seat, and described spool is fixedly connected on the lower end of valve rod.
2. the small-bore single-seat adjusting valve of one according to claim 1, is characterized in that, described valve rod and valve gap upper wall joint are provided with balance spring, and described balance spring is provided with filler, and described filler is pressed with Gland.
3. the small-bore single-seat adjusting valve of one according to claim 1, is characterized in that, the outer surface of described spool lower end is arc surface.
4. the small-bore single-seat adjusting valve of one according to claim 1, is characterized in that, described valve gap upper end is connected with support, and described pedestal upper end is provided with actuator, and described valve rod upper end is stretched out valve gap and is connected with the output shaft of actuator.
5. the small-bore single-seat adjusting valve of one according to claim 4, is characterized in that, described actuator is many springs diaphragm actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017303.4U CN204459181U (en) | 2015-01-09 | 2015-01-09 | A kind of small-bore single-seat adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017303.4U CN204459181U (en) | 2015-01-09 | 2015-01-09 | A kind of small-bore single-seat adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459181U true CN204459181U (en) | 2015-07-08 |
Family
ID=53666067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520017303.4U Expired - Fee Related CN204459181U (en) | 2015-01-09 | 2015-01-09 | A kind of small-bore single-seat adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023687A (en) * | 2017-04-13 | 2017-08-08 | 浙江永联阀门有限公司 | Small-bore regulating valve |
-
2015
- 2015-01-09 CN CN201520017303.4U patent/CN204459181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023687A (en) * | 2017-04-13 | 2017-08-08 | 浙江永联阀门有限公司 | Small-bore regulating 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 |
Granted publication date: 20150708 Termination date: 20160109 |