CN201651367U - Small-flow precise control valve - Google Patents
Small-flow precise control valve Download PDFInfo
- Publication number
- CN201651367U CN201651367U CN2010201944667U CN201020194466U CN201651367U CN 201651367 U CN201651367 U CN 201651367U CN 2010201944667 U CN2010201944667 U CN 2010201944667U CN 201020194466 U CN201020194466 U CN 201020194466U CN 201651367 U CN201651367 U CN 201651367U
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- China
- Prior art keywords
- valve
- still
- manhole
- valve body
- small flow
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a small-flow precise control valve, which comprises a valve body (1), a valve cavity (2) and a movable valve stem (3) arranged in the valve cavity (2), wherein the valve body (1) is provided with a water inlet cavity (4), a water outlet cavity (5) and a water flow passage (6), and the movable valve stem (3) is connected into the valve cavity (2) via a hollow bolt (7). The small-flow precise control valve is characterized in that the movable valve stem (3) is connected to a spool arranged in the valve cavity (2), the spool comprises a circular static plate (9) with circular through holes (8) and a movable plate (10) connected with the movable valve stem (3), the movable plate (10) matches with the circular through holes (8) on the static plate (9), and the two circular through holes (8) are obliquely symmetrically arranged and communicated and have V-shaped sections. The small-flow precise control valve not only can increase precision of small-flow control but is simple in structure and convenient for operation.
Description
Technical field
The utility model relates to a kind of control valve, the smart control of particularly a kind of small flow valve.
Background technique
Control valve is to be used to regulate flowing of fluid by valve body.Traditional control valve is when the fluid of control small flow, and because of the cross section of the passage of spool is the bigger circle of radius, the spool conducting area change amount of control flow rate is bigger, and makes the control accuracy of small flow not high.
The model utility content
The purpose of this utility model is, the smart control of a kind of small flow valve is provided.The utility model not only can improve the validity to Small Flow Control, and simple in structure, easy to operate.
The technical solution of the utility model: the smart control of small flow valve, comprise valve body, valve body chamber and be located at the endoceliac removable valve rod of valve, valve body has water-inlet cavity, water chamber and flow channel, removable valve rod is connected in the valve body chamber by hollow bolt, characteristics are: described removable valve rod is connected with and is located at the endoceliac spool of valve, spool comprises circular still with manhole and the moving plate that is connected removable valve rod, and the manhole relative engagement on moving plate and the still is provided with; Described manhole has 2, and inclination is symmetrical arranged and is communicated with, and the cross section is V-shaped.
In the smart control of the aforesaid small flow valve, described " V " clevis angle is 15 °～50 °.
In the smart control of the aforesaid small flow valve, the manhole of described still is provided with the wedge angle groove.
In the smart control of the aforesaid small flow valve, the manhole of described still is provided with the wedge angle groove, is that the valve side of opening of the manhole of still is provided with the wedge angle groove.
In the smart control of the aforesaid small flow valve, described wedge angle groove, be 2 with respect to the symmetrically arranged wedge angle groove in still center.
Compared with prior art, the utility model is formed spool by a pair of still that cooperatively interacts and moving plate, can carry out the Small Flow Control of fluid; The manhole of still leaves has increased a wedge angle groove structure on the valve side, the curved-surface structure of this wedge angle groove is by the fluid mechanics design of Simulation, controlling small flow during the stage, because of the spool conducting section area variation delta S of control flow rate and the ratio of spool angle of swing variation delta δ (being Δ S/ Δ δ) reduce, effectively improved validity to Small Flow Control.The utility model not only can improve the validity to Small Flow Control, and simple in structure, easy to operate.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of still.
Being labeled as in the accompanying drawing: 1-valve body, 2-valve body chamber, the removable valve rod of 3-, 4-water-inlet cavity, 5-water chamber, 6-flow channel, 7-hollow bolt, 8-manhole, 9-still, 10-moving plate, 11-wedge angle groove.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but not as the foundation to the utility model restriction.
Embodiment.The smart control of small flow valve, constitute as illustrated in fig. 1 and 2, comprise valve body 1, valve body chamber 2 and be located at removable valve rod 3 in the valve body chamber 2, valve body 1 has water-inlet cavity 4, water chamber 5 and flow channel 6, removable valve rod 3 is connected in the valve body chamber 2 by hollow bolt 7, it is characterized in that: described removable valve rod 3 is connected with the spool that is located in the valve body chamber 2, spool comprises circular still 9 with manhole 8 and the moving plate 10 that is connected removable valve rod 3, the manhole 8 relative engagement settings on moving plate 10 and the still 9; Described manhole 8 has 2, and inclination is symmetrical arranged and is communicated with, and the cross section is V-shaped; Described " V " clevis angle is 15 °～50 °; The valve side of opening of the manhole 8 of described still 9 is provided with wedge angle groove 11; Described wedge angle groove 11, be 2 with respect to the symmetrically arranged wedge angle groove 11 in still 9 centers.
The utility model is when the control small flow, the water-inlet cavity water inlet, rotate removable valve rod and drive the moving plate rotation, still and moving plate relative movement, the valve side of opening of spool is opened, because of exploitation valve side is provided with the wedge angle groove, fluid passes through from the wedge angle groove, make that the ratio (being Δ S/ Δ δ) of conducting section area variation delta S and spool angle of swing variation delta δ is less, therefore, improved validity Small Flow Control.After flow channel to water chamber goes out fluid.
Claims (5)
1. the small flow essence is controlled valve, comprise valve body (1), valve body chamber (2) and be located at removable valve rod (3) in the valve body chamber (2), valve body (1) has water-inlet cavity (4), water chamber (5) and flow channel (6), removable valve rod (3) is connected in the valve body chamber (2) by hollow bolt (7), it is characterized in that: described removable valve rod (3) is connected with the spool that is located in the valve body chamber (2), spool comprises the have manhole circular still (9) and the moving plate that is connected removable valve rod (3) (10) of (8), manhole (8) the relative engagement setting on moving plate (10) and the still (9); Described manhole (8) has 2, and inclination is symmetrical arranged and is communicated with, and the cross section is V-shaped.
2. the smart control of small flow according to claim 1 valve, it is characterized in that: described " V " clevis angle is 15 °～50 °.
3. the smart control of small flow according to claim 1 and 2 valve, it is characterized in that: the manhole (8) of described still (9) is provided with wedge angle groove (11).
4. the smart control of small flow according to claim 3 valve, it is characterized in that: the manhole (8) of described still (9) is provided with wedge angle groove (11), is that the valve side of opening of the manhole (8) of still (9) is provided with wedge angle groove (11).
5. the smart control of small flow according to claim 4 valve is characterized in that: described wedge angle groove (11), be 2 with respect to still (9) the symmetrically arranged wedge angle groove in center (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201944667U CN201651367U (en) | 2010-05-18 | 2010-05-18 | Small-flow precise control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201944667U CN201651367U (en) | 2010-05-18 | 2010-05-18 | Small-flow precise control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651367U true CN201651367U (en) | 2010-11-24 |
Family
ID=43116603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201944667U Expired - Fee Related CN201651367U (en) | 2010-05-18 | 2010-05-18 | Small-flow precise control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154254A (en) * | 2014-07-21 | 2014-11-19 | 浙江美德机械有限公司 | Adjusting-type plug valve |
-
2010
- 2010-05-18 CN CN2010201944667U patent/CN201651367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154254A (en) * | 2014-07-21 | 2014-11-19 | 浙江美德机械有限公司 | Adjusting-type plug valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130518 |