CN201155570Y - Water isolation pump guiding type high pressure fresh water valve - Google Patents
Water isolation pump guiding type high pressure fresh water valve Download PDFInfo
- Publication number
- CN201155570Y CN201155570Y CNU2007201852305U CN200720185230U CN201155570Y CN 201155570 Y CN201155570 Y CN 201155570Y CN U2007201852305 U CNU2007201852305 U CN U2007201852305U CN 200720185230 U CN200720185230 U CN 200720185230U CN 201155570 Y CN201155570 Y CN 201155570Y
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- main valve
- piston rod
- valve
- piston
- clack
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Abstract
The utility model relates to a pilot type high pressure clean water valve in a water isolation pump, comprising a drive mechanism, a main valve and a pilot valve; wherein the drive mechanism comprises a hydraulic cylinder block, a piston, a piston rod, a cylinder cover, a thread bushing and a split cutting sleeve; the main valve comprises an upper valve cap, a main valve body, a water inlet adaptor, a water inlet flange, a main valve seat, a lower valve cap and a main valve clack; the pilot valve comprises a pilot valve plug and a pilot valve seat; the utility model is technically characterized in that a pilot valve structure is arranged on a lower end of the piston rod; by means of the pilot valve structure, a pressure equalization can be made for an upper cavity and a lower cavity before the main valve clack is opened, thereby reducing greatly a hydraulic shock when the main valve clack is opened, and reducing a noise, improving a working performance and a service life of a device and reducing a size of the valve. In the drive mechanism, the piston rod is connected with the main valve clack by the cutting sleeve, thereby improving a force situation and reducing a breakage of the piston rod.
Description
Technical field
The utility model relates to a kind of mining machinery, particularly a kind of water isolation pump high-pressure water valve.
Background technique
High-pressure water valve is a kind of valve that is used on the water isolation pump of mine slurry transfer pump, it mainly acts on is that the clear water that control high pressure clean waterpump is got enters and the discharge water separate pump, thus realize water isolation pump to slurry from the suction of feeding bin with to the transmission of carrying ground.Existing water isolation pump high-pressure water valve is non-leading type, and this valve mainly is made up of flap, valve seat, valve body and drive unit, and its defective is: when 1, purge valve was opened, huge hydraulic shock was caused because pressure difference is too big in the upper and lower chamber of flap.Hydraulic shock not only produces serious noise, influences the service behaviour and the life-span of equipment, has also increased the size of valve; 2, adopt T-slot to be connected between drive unit piston rod and flap, stressing conditions is bad, piston rod easy-rupturing, influence production.
Summary of the invention
The purpose of this utility model provides a kind of water isolation pump guiding high pressure purge valve, and during the work of this water isolation pump guiding high pressure purge valve, hydraulic shock is little, and physical dimension is little, stable working, and the little and piston rod of noise is easy-rupturing not.
The technical solution of the utility model is: a kind of water isolation pump guiding high pressure purge valve, comprise driving mechanism, main valve and pilot valve, wherein driving mechanism comprises hydraulic cylinder body, piston, piston rod, cylinder cap, thread bush and split cutting ferrule, main valve comprises bonnet, main valve body, water intake adapter, water intake flange, main valve seat, bottom flange and main valve clack, and pilot valve comprises guide's spool, guide's valve seat.Hydraulic cylinder body in the driving mechanism is the hollow circular cylinder of upper end closed, and its lower end is connected with cylinder cap, bonnet, main valve body by bolt.Cylinder cap, bonnet are disc, and the middle part is provided with circular hole.Piston is housed in the hydraulic cylinder body, is provided with seal ring between piston and hydraulic cylinder body inwall, the piston middle part is provided with circular hole.Interior card key and the shoulder of also utilizing of circular hole that the piston rod upper end is installed in piston is attached thereto.Piston rod passes the inner chamber that cylinder cap, bonnet middle part circular hole extend into the main valve body.The main valve body is a hollow circular cylinder, and its side is equipped with water intake and takes over, and the outer end that water intake is taken over is provided with the water intake flange.Main valve body, main valve seat and bottom flange connect as one by bolt.Bottom flange is disc, and the centre is provided with osculum.Main valve clack adopts the conical surface and main valve seat to form sealing pair, and the main valve clack lower end is equipped with the several piece guide plate, and the main valve clack middle part is provided with cylindrical hole, and main valve clack top is connected with piston rod by the split cutting ferrule.The split cutting ferrule is divided into two-part, is connected as a single entity by bolt between two-part, and its underpart has a circular hole.Main valve clack links to each other by the bottom of shoulder with the split cutting ferrule, and the top of split cutting ferrule links to each other with the bottom of piston rod by shoulder.The lower end of piston rod links to each other with guide's spool by thread bush, and the bottom of thread bush has two circular holes, and guide's spool adopts the conical surface and guide's valve seat to form sealing pair, and guide's valve seat is installed in the upper end of main valve clack.
Compared with prior art, the utility model is by adopting pilot valve, can before main valve clack is opened, all press its upper and lower chamber, thus the hydraulic shock when having reduced the purge valve unlatching significantly, and then reduced noise, improved equipment service behaviour and life-span, reduced the size of valve.Adopt cutting ferrule to be connected between the piston rod in the drive unit and main valve clack, improved stressing conditions, reduced the fracture of piston rod.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of pilot valve among Fig. 1.
Parts label in the accompanying drawing is: 1 is hydraulic cylinder body; 2 is piston; 3 is piston rod; 4 is cylinder cap; 5 is bonnet; 6 is the main valve body; 7 are the split cutting ferrule; 8 is thread bush; 9 is guide's spool; 10 is guide's valve seat; 11 is main valve clack; 12 is main valve seat; 13 is bottom flange; 14 is circular hole; 15 is bolt; 16 are the water intake adapter; 17 is the water intake flange; 18 is bolt; 19 is bolt.
Embodiment
See Fig. 1 and Fig. 2, a kind of water isolation pump guiding high pressure purge valve comprises driving mechanism, main valve and pilot valve, and wherein driving mechanism comprises hydraulic cylinder body 1, piston 2, piston rod 3, cylinder cap 4, thread bush 8 and split cutting ferrule 7; Main valve comprises bonnet 5, main valve body 6, water intake adapter 16, water intake flange 17, main valve seat 12, bottom flange 13 and main valve clack 11; Pilot valve comprises guide's spool 9, guide's valve seat 10.Hydraulic cylinder body 1 in the driving mechanism is the hollow circular cylinder of upper end closed, and its lower end is connected with cylinder cap 4, bonnet 5, main valve body 6 by bolt 19.Cylinder cap 4, bonnet 5 are disc, and the middle part is provided with circular hole.Piston 2 is housed in the hydraulic cylinder body 1, is provided with seal ring between piston 2 and hydraulic cylinder body 1 inwall, piston 2 middle parts are provided with circular hole.Interior card key and the shoulder of also utilizing of circular hole that piston rod 3 upper ends are installed in piston 2 is attached thereto.Piston rod 3 passes the inner chamber that cylinder cap 4, bonnet 5 middle part circular holes extend into main valve body 6.Main valve body 6 is a hollow circular cylinder, and its side is equipped with water intake and takes over 16, and the outer end of water intake adapter 16 is provided with water intake flange 17.Main valve body 6, main valve seat 12 and bottom flange 13 connect as one by bolt 14.Bottom flange 13 is disc, and the centre is provided with osculum.Main valve clack 11 adopts the conical surface and main valve seat 12 to form sealing pair, and main valve clack 11 lower ends are equipped with the several piece guide plate, and main valve clack 11 middle parts are provided with cylindrical hole, and main valve clack 11 tops are connected with piston rod 3 by split cutting ferrule 7.Split cutting ferrule 7 is divided into two-part, is connected as a single entity by bolt 18 between two-part, and its underpart has a circular hole.Main valve clack 11 links to each other by the bottom of shoulder with split cutting ferrule 7, and the top of split cutting ferrule 7 links to each other by the bottom of shoulder with piston rod 3.The lower end of piston rod 3 links to each other with guide's spool 9 by thread bush 8, and the bottom of thread bush 8 has two circular holes 14, and guide's spool 9 adopts the conical surface and guide's valve seat 10 to form sealing pair, and guide's valve seat 10 is installed in the upper end of main valve clack 11.
Utilize this structure, purge valve is when opening, and pilot valve is opened earlier, and the upper and lower chamber of main valve clack is all pressed, and main valve is opened again then, has so just significantly reduced hydraulic shock.The employing of split cutting ferrule has improved the stressing conditions of piston rod, has reduced the fracture of piston rod.
Claims (1)
1, a kind of water isolation pump guiding high pressure purge valve, comprise driving mechanism, main valve and pilot valve, wherein driving mechanism comprises hydraulic cylinder body, piston, piston rod, cylinder cap, thread bush and split cutting ferrule, main valve comprises bonnet, main valve body, water intake adapter, water intake flange, main valve seat, bottom flange and main valve clack, and pilot valve comprises guide's spool, guide's valve seat; It is characterized in that: the hydraulic cylinder body in the driving mechanism is the hollow circular cylinder of upper end closed, and its lower end is connected with cylinder cap, bonnet, main valve body by bolt; Cylinder cap, bonnet are disc, and the middle part is provided with circular hole; Piston is housed in the hydraulic cylinder body, is provided with seal ring between piston and hydraulic cylinder body inwall, the piston middle part is provided with circular hole; Interior card key and the shoulder of also utilizing of circular hole that the piston rod upper end is installed in piston is attached thereto; Piston rod passes the inner chamber that cylinder cap, bonnet middle part circular hole extend into the main valve body; The main valve body is a hollow circular cylinder, and its side is equipped with water intake and takes over, and the outer end that water intake is taken over is provided with the water intake flange; Main valve body, main valve seat and bottom flange connect as one by bolt; Bottom flange is disc, and the centre is provided with osculum; Main valve clack adopts the conical surface and main valve seat to form sealing pair, and the main valve clack lower end is equipped with the several piece guide plate, and the main valve clack middle part is provided with cylindrical hole, and main valve clack top is connected with piston rod by the split cutting ferrule; The split cutting ferrule is divided into two-part, is connected as a single entity by bolt between two-part, and its underpart has a circular hole; Main valve clack links to each other by the bottom of shoulder with the split cutting ferrule, and the top of split cutting ferrule links to each other with the bottom of piston rod by shoulder; The lower end of piston rod links to each other with guide's spool by thread bush, and the bottom of thread bush has two circular holes, and guide's spool adopts the conical surface and guide's valve seat to form sealing pair, and guide's valve seat is installed in the upper end of main valve clack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201852305U CN201155570Y (en) | 2007-12-27 | 2007-12-27 | Water isolation pump guiding type high pressure fresh water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201852305U CN201155570Y (en) | 2007-12-27 | 2007-12-27 | Water isolation pump guiding type high pressure fresh water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155570Y true CN201155570Y (en) | 2008-11-26 |
Family
ID=40103353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201852305U Expired - Fee Related CN201155570Y (en) | 2007-12-27 | 2007-12-27 | Water isolation pump guiding type high pressure fresh water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155570Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846189A (en) * | 2010-06-01 | 2010-09-29 | 中南大学 | High-pressure large-flow-rate pilot-operated-type electric valve |
| CN105156696A (en) * | 2015-08-27 | 2015-12-16 | 济南大学 | Right-angle type pneumatic valve based on pilot structure |
| CN105179716A (en) * | 2015-08-27 | 2015-12-23 | 济南大学 | Right-angled electric valve based on pilot structure |
| CN105179711A (en) * | 2015-08-27 | 2015-12-23 | 济南大学 | Right-angled manual valve based on pilot structure |
| CN105298974A (en) * | 2014-07-01 | 2016-02-03 | 新东工业株式会社 | Front end structure of cylinder |
| CN106812952A (en) * | 2017-03-06 | 2017-06-09 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant flue gas plenum outlet piston support meanss |
-
2007
- 2007-12-27 CN CNU2007201852305U patent/CN201155570Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846189A (en) * | 2010-06-01 | 2010-09-29 | 中南大学 | High-pressure large-flow-rate pilot-operated-type electric valve |
| CN105298974A (en) * | 2014-07-01 | 2016-02-03 | 新东工业株式会社 | Front end structure of cylinder |
| CN105298974B (en) * | 2014-07-01 | 2019-10-22 | 新东工业株式会社 | The front end cage structure of cylinder body |
| CN105156696A (en) * | 2015-08-27 | 2015-12-16 | 济南大学 | Right-angle type pneumatic valve based on pilot structure |
| CN105179716A (en) * | 2015-08-27 | 2015-12-23 | 济南大学 | Right-angled electric valve based on pilot structure |
| CN105179711A (en) * | 2015-08-27 | 2015-12-23 | 济南大学 | Right-angled manual valve based on pilot structure |
| CN106812952A (en) * | 2017-03-06 | 2017-06-09 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant flue gas plenum outlet piston support meanss |
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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: 20081126 Termination date: 20100127 |