CN201386795Y - Piston type multi-spraying hole pressure-reducing valve - Google Patents
Piston type multi-spraying hole pressure-reducing valve Download PDFInfo
- Publication number
- CN201386795Y CN201386795Y CN200920142553U CN200920142553U CN201386795Y CN 201386795 Y CN201386795 Y CN 201386795Y CN 200920142553 U CN200920142553 U CN 200920142553U CN 200920142553 U CN200920142553 U CN 200920142553U CN 201386795 Y CN201386795 Y CN 201386795Y
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- valve
- piston
- pressure
- valve body
- conduit
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- Expired - Fee Related
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Abstract
The utility model discloses a piston type multi-spraying hole pressure-reducing valve, which comprises a valve body 1, a valve rod 6, a valve petal 4, a piston 9, a baffle plate 5 and a spray cap 8. The upper end of the valve body 1 is provided with a valve cover 2, a spring 10 is arranged between the valve cover 2 and the piston 9, a steel sheath 7 is arranged between the valve petal 4 and the piston 9, the valve rod 6 is arranged in the steel sheath 7, a duct 3 is arranged between one end of a water inlet port of the valve body 1 and one end of a water discharge port, the duct 3 is connected with a main valve control room, and a needle valve a, a ball valve b and a pilot-valve c are arranged on the duct 3. The pressure-reducing valve has the beneficial effects that the valve petal, the baffle plate and the spray cap employ the spraying hole structures to play a role in reducing pressure, and the damage of pressure water flow of the outlet port to the valve body is effectively weakened.
Description
Technical field
The utility model relates to a kind of valving, particularly relates to a kind of many spray orifices of piston type reduction valve.
Background technique
This valving is mainly used in domestic water, fire-fighting system and industrial water supply system.Traditional valving on the existing market be difficult to control the pressure of water outlet, and high-pressure water flow damages to equipment easily because the restriction of structure.Shortcomings such as also the existence stabilizability is relatively poor for traditional valve, is difficult for installing regulating, and working life is short.
Summary of the invention
At above shortcoming, the utility model provides a kind of novel reduction valve.
To achieve these goals, technical solution adopted in the utility model is:
A kind of many spray orifices of piston type reduction valve, comprise valve body 1, valve rod 6, flap 4, piston 9, plate washer 5 and shower nozzle 8, the upper end of described valve body 1 is provided with valve gap 2, is provided with spring 10 between described valve gap 2 and the piston 9, is provided with steel bushing 7 between described flap 4 and the piston 9, valve rod 6 is positioned at steel bushing 7, be provided with conduit 3 between one end of described valve body 1 water intake and the end of water outlet, this conduit 3 links to each other with the main valve control room, and described conduit 3 is provided with needle-valve a, ball valve b and pilot valve c, described flap 4, plate washer 5 and shower nozzle 8 are the orifice type structure;
Also be provided with ball valve pressure gauge d, e on the described conduit 3.
The beneficial effects of the utility model: flap, plate washer and shower nozzle adopt the orifice type structure, play decompression, have weakened the injury of outlet pressure current to valve body effectively; the protection water pipe can explosion, anti-water hammer, voiceless sound; stable performance, safe and reliable, install easy to adjust, long service life.Can be widely used in domestic water, fire-fighting system and industrial water supply system.
Description of drawings
Fig. 1, structural representation of the present utility model;
Embodiment
See also its implementation process of description of drawings:
A kind of many spray orifices of piston type reduction valve, comprise valve body 1, valve rod 6, flap 4, piston 9, plate washer 5 and shower nozzle 8, the upper end of described valve body 1 is provided with valve gap 2, is provided with spring 10 between described valve gap 2 and the piston 9, is provided with steel bushing 7 between described flap 4 and the piston 9, valve rod 6 is positioned at steel bushing 7, be provided with conduit 3 between one end of described valve body 1 water intake and the end of water outlet, this conduit 3 links to each other with the main valve control room, and described conduit 3 is provided with needle-valve a, ball valve b and pilot valve c, described flap 4, plate washer 5 and shower nozzle 8 are the orifice type structure; Also be provided with ball valve pressure gauge d, e on the described conduit 3.
Its working procedure is: when valve when entrance point feeds water, water flows through needle-valve a and enters the main valve control room, outlet pressure affacts on the pilot valve c by conduit 3.When outlet pressure was higher than pilot valve spring 10 setting values, pilot valve c closed.The control room stops draining, and this moment, main valve was closed in main valve control room internal pressure promotion, and outlet pressure no longer raises.When valve export pressure dropped to pilot valve spring 10 level pressure power, pilot valve c opened, the downward draining in control room.Because the loaded pilot system water displacement is greater than the inflow of needle-valve a, main valve control room pressure descends, and inlet pressure is opened main valve.Under steady state, the control room intakes, draining is identical, and the main valve aperture is constant, and effect of easing stress is obvious.
The beneficial effects of the utility model: flap, plate washer and shower nozzle adopt the orifice type structure, rise Depressurization has weakened the injury of outlet pressure current to valve body effectively, and the protection water pipe can not Explosion, water hammer-resistant, voiceless sound, stable performance, safe and reliable, install easy to adjustly, use Life-span is long. Can be widely used in domestic water, fire-fighting system and industrial water supply system.
Those skilled in the art's simple replacement and replacing all are the protections of this patent in this area Range.
Claims (2)
1, a kind of many spray orifices of piston type reduction valve, comprise valve body (1), valve rod (6), flap (4), piston (9), plate washer (5) and shower nozzle (8), the upper end of described valve body (1) is provided with valve gap (2), be provided with spring (10) between described valve gap (2) and the piston (9), be provided with steel bushing (7) between described flap (4) and the piston (9), valve rod (6) is positioned at steel bushing (7), is provided with conduit (3) between an end of described valve body (1) water intake and the end of water outlet, and this conduit (3) links to each other with the main valve control room, described conduit (3) is provided with needle-valve (a), ball valve (b) and pilot valve (c) is characterized in that, described flap (4), plate washer (5) and shower nozzle (8) are the orifice type structure.
2, a kind of many spray orifices of piston type reduction valve according to claim 1 is characterized in that, also is provided with ball valve pressure gauge (d, e) on the described conduit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142553U CN201386795Y (en) | 2009-04-24 | 2009-04-24 | Piston type multi-spraying hole pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142553U CN201386795Y (en) | 2009-04-24 | 2009-04-24 | Piston type multi-spraying hole pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201386795Y true CN201386795Y (en) | 2010-01-20 |
Family
ID=41579328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920142553U Expired - Fee Related CN201386795Y (en) | 2009-04-24 | 2009-04-24 | Piston type multi-spraying hole pressure-reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201386795Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832399A (en) * | 2010-06-09 | 2010-09-15 | 卓旦春 | Differential pressure valve |
| CN105020415A (en) * | 2014-04-19 | 2015-11-04 | 郑珊红 | Multi-functional regulable stop valve |
-
2009
- 2009-04-24 CN CN200920142553U patent/CN201386795Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832399A (en) * | 2010-06-09 | 2010-09-15 | 卓旦春 | Differential pressure valve |
| CN101832399B (en) * | 2010-06-09 | 2012-07-18 | 卓旦春 | Differential pressure valve |
| CN105020415A (en) * | 2014-04-19 | 2015-11-04 | 郑珊红 | Multi-functional regulable stop valve |
| CN105020415B (en) * | 2014-04-19 | 2018-09-07 | 良工阀门集团有限公司 | A kind of multi-functional adjustable cut-off 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: 20100120 Termination date: 20120424 |