CN2866989Y - Guide piston stop valve - Google Patents
Guide piston stop valve Download PDFInfo
- Publication number
- CN2866989Y CN2866989Y CN 200520140009 CN200520140009U CN2866989Y CN 2866989 Y CN2866989 Y CN 2866989Y CN 200520140009 CN200520140009 CN 200520140009 CN 200520140009 U CN200520140009 U CN 200520140009U CN 2866989 Y CN2866989 Y CN 2866989Y
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- piston
- pilot
- hole
- 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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- Mechanically-Actuated Valves (AREA)
Abstract
A pilot-operated piston cutoff valve comprises a valve body wherein a piston cavity arranged between the intake port and drain port is equipped with a piston body with spring inside and a bonnet on the top which is arranged with a weep slot communicating with the intake port and the drain port. In the middle of the weep slot a pilot valve handle is provided wherein the upper of the pilot valve handle is connected to the motor driven reducing gear and the bottom of the pilot valve handle is arranged with a vertical hole. The intermediate section of the pilot valve handle is arranged with a crosswise hole which is communicating with the flow hole outside and the vertical hole inside. The utility model is characterized in that opening and closing valve is realized by hydraulic pressure, the miniature pilot valve handle is driven by motor ,thereby a heavy caliber valve is controlled by the valve steadily controlled through tiny power of water pressure or electric and has the advantage that the switch is steady and quick and the pilot hole is not blocked easily.
Description
Technical field
The utility model relates to a kind of valve, the first guide piston stop valve of particularly a kind of heavy caliber low power consumption.
Background technique
Traditional valve all is made up of spool and valve rod, open or close water-flowing path by rotary manipulation, manual or electronic mode is adopted in the unlatching of spool, the deficiency of its existence is: for bigbore valve, manual inconvenient operation, it is too big to change electronic then power consumption into, does not reach requirements of saving energy.Present existing pilot valve has miniature guide's micropore on piston, this hole is easy to stop up, and stop up late gate with regard to cisco unity malfunction, and the speed of its switch valve is also slower.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, has proposed that a kind of power consumption is little, the reliable first guide piston stop valve of switch.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of first guide piston stop valve, it is provided with valve body, on the runner between valve inleting water mouth and the water outlet, be provided with piston chamber, the piston body of band spring is housed in the piston chamber, the lower end of piston body communicate with water intake and with valve body contact seal, the sidepiece of piston body communicates with water outlet, be characterized in: valve gap is housed on piston chamber top, be provided with one in the valve gap and cross the water slotted hole, the two ends of crossing the water slotted hole communicate with water intake and water outlet respectively, a pilot valve valve rod is equipped with at the middle part of crossing the water slotted hole, the reducing gear of pilot valve valve rod top and driven by motor joins, the bottom of pilot valve valve rod has a vertical hole that communicates with piston chamber, the middle part of pilot valve valve rod has a transverse holes, and the outer end of transverse holes communicates with water passage hole, UNICOM between transverse holes the inner and the described vertical hole.
The technical problems to be solved in the utility model can also come by the following technical programs further to realize that the reducing gear top of driven by motor adds cover cap.
The technical problems to be solved in the utility model can also come by the following technical programs further to realize that the feed-water end of crossing the water slotted hole in the valve gap adds filter screen.
Basic principle of the present utility model is to utilize the power of hydraulic pressure itself to come the opening and closing valve, the small pilot valves valve rod that covers by the motor rotating valve, piston top is communicated with water intake, because under identical water pressure, piston moves downward under the effect of spring force, self gravitation and pressure reduction and closes current, rotate the pilot valve valve rod, piston top is communicated with water outlet, the hydraulic pressure on piston top reduces suddenly, piston under the intake pressure effect, overcome self gravitation and spring force and on move current opened.Compared with prior art, the control of valve is controlled the switch of large bore valves with small power or electric power, and the switch of valve is reliable, and rapidly, pilot hole is difficult for stopping up, and stable working is energy-conservation.
Description of drawings
Accompanying drawing is a structure diagram of the present utility model.
Embodiment
A kind of first guide piston stop valve, it is provided with valve body 1, on the runner between valve body 1 water intake 2 and the water outlet 12, be provided with piston chamber 10, the piston body 13 of band spring 11 is housed in the piston chamber 10, the lower end of piston body 13 communicate with water intake 2 and with valve body 1 contact seal, the sidepiece of piston body 13 communicates with water outlet 12, it is characterized in that: valve gap 14 is housed on piston chamber 10 tops, be provided with one in the valve gap 14 and cross water slotted hole 4, the two ends of crossing water slotted hole 4 communicate with water intake 2 and water outlet 12 respectively, and the feed-water end of crossing water slotted hole 4 in the valve gap 14 adds filter screen 3.A pilot valve valve rod 8 is equipped with at the middle part of crossing water slotted hole 4, the reducing gear 7 of pilot valve valve rod 8 tops and driven by motor joins, the bottom of pilot valve valve rod 8 has a vertical hole 9 that communicates with piston chamber 10, the middle part of pilot valve valve rod 8 has a transverse holes 5, the outer end of transverse holes 5 communicates with water passage hole 4, UNICOM between transverse holes 5 the inners and the described vertical hole 9.Reducing gear 7 tops of driven by motor add cover cap 6.
Claims (3)
1. first guide piston stop valve, it is provided with valve body (1), on the runner between valve body (1) water intake (2) and the water outlet (12), be provided with piston chamber (10), the piston body (13) of band spring (11) is housed in the piston chamber (10), the lower end of piston body (13) communicate with water intake (2) and with valve body (1) contact seal, the sidepiece of piston body (13) communicates with water outlet (12), it is characterized in that: valve gap (14) is housed on piston chamber (10) top, be provided with one in the valve gap (14) and cross water slotted hole (4), the two ends of crossing water slotted hole (4) communicate with water intake (2) and water outlet (12) respectively, a pilot valve valve rod (8) is equipped with at the middle part of crossing water slotted hole (4), the reducing gear (7) of pilot valve valve rod (8) top and driven by motor joins, the bottom of pilot valve valve rod (8) has a vertical hole (9) that communicates with piston chamber (10), the middle part of pilot valve valve rod (8) has a transverse holes (5), the outer end of transverse holes (5) communicates with water passage hole (4), UNICOM between transverse holes (5) the inner and the described vertical hole (9).
2. first guide piston stop valve according to claim 1 is characterized in that: the reducing gear of driven by motor (7) top adds cover cap (6).
3. first guide piston stop valve according to claim 1 is characterized in that: the feed-water end of crossing water slotted hole (4) in the valve gap (14) adds filter screen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140009 CN2866989Y (en) | 2005-12-13 | 2005-12-13 | Guide piston stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140009 CN2866989Y (en) | 2005-12-13 | 2005-12-13 | Guide piston stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2866989Y true CN2866989Y (en) | 2007-02-07 |
Family
ID=37702694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520140009 Expired - Fee Related CN2866989Y (en) | 2005-12-13 | 2005-12-13 | Guide piston stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2866989Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128273A (en) * | 2010-01-18 | 2011-07-20 | 江苏龙力神精工科技有限公司 | Fire hydrant rapid valve |
| CN101737503B (en) * | 2009-12-14 | 2011-09-28 | 浙江大学 | Self-balancing stop valve with piston type valve core and hidden rod |
| CN105650065A (en) * | 2016-04-01 | 2016-06-08 | 江南大学 | Liquid logic control component |
-
2005
- 2005-12-13 CN CN 200520140009 patent/CN2866989Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737503B (en) * | 2009-12-14 | 2011-09-28 | 浙江大学 | Self-balancing stop valve with piston type valve core and hidden rod |
| CN102128273A (en) * | 2010-01-18 | 2011-07-20 | 江苏龙力神精工科技有限公司 | Fire hydrant rapid valve |
| CN105650065A (en) * | 2016-04-01 | 2016-06-08 | 江南大学 | Liquid logic control component |
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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: 20070207 Termination date: 20121213 |