CN203309194U - Single-piston reverse flow control valve - Google Patents
Single-piston reverse flow control valve Download PDFInfo
- Publication number
- CN203309194U CN203309194U CN2013203369856U CN201320336985U CN203309194U CN 203309194 U CN203309194 U CN 203309194U CN 2013203369856 U CN2013203369856 U CN 2013203369856U CN 201320336985 U CN201320336985 U CN 201320336985U CN 203309194 U CN203309194 U CN 203309194U
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- runner
- piston
- sealing gasket
- valve body
- sidewall
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- Expired - Fee Related
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Abstract
The utility model discloses a single-piston reverse flow control valve. The single-piston reverse flow control valve comprises a valve body, wherein a cover plate is arranged on one port of the valve body and a water inlet channel is arranged on another port of the valve body; a cylindrical inner cavity is formed by the cover plate and the valve body; the inner cavity is internally provided with a piston; the piston is in a pipe-shaped structure; an annular groove is formed in the center of the side wall of the piston; a sealing gasket is further arranged between the piston and the side wall of the valve body; the piston is matched with the sealing gasket; the side wall of the valve body is further provided with a central flow channel, a side flow channel, a water outlet channel and a dirt discharging channel; the central flow channel and the side flow channel are communicated with an external processing groove. According to the single-piston reverse flow control valve disclosed by the utility model, in the regeneration and replacement process, a reverse-flow channel is formed between the valve body and the sealing gasket through the piston and the annular groove in the piston, so that the consumption amount of salt is reduced and the cost is saved.
Description
Technical field
The utility model relates to a kind of adverse current valve body, is specifically related to a kind of single piston countercurrent control valve.
Background technique
At present in industry and family's softened water processing system, generally be divided into work and regeneration, working state is that water is produced to softened water after by treatment media, regeneration is to lack active treatment media filling salt solution, make treatment media again reply activity, for can switch operating and reproduced state, just need a control valve.
The general employing of control valve regeneration following current on market now, following current is exactly that displacement liquid starts displacement downwards from the treatment media top, namely from the side runner of valve body, enters, and discharges from center flow channels, and following current is larger to the consumption of salt, and operating cost is higher.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of single piston countercurrent control valve, to the consumption of salt, provides cost savings while having reduced regeneration.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of single piston countercurrent control valve, comprise valve body, a port of described valve body is provided with cover plate, another port is water inlet flow channel, described cover plate and valve body form a cylindrical cavity, in described inner chamber, be provided with piston, described piston is tubular structure, described piston side wall center is provided with annular groove, between described piston and body wall, also be provided with sealing gasket, described piston and sealing gasket coupling, also be provided with center flow channels, side runner, outlet passage and blowdown runner on described body wall, described center flow channels and side runner all are communicated with external treatment trough.
The flow path wall of described center flow channels is provided with inhales the salt runner, and the flow path wall of described outlet passage is provided with and filters runner, described suction salt runner and filter runner and be communicated with by external pipe, described suction salt runner and filter in runner and be equipped with the gate valve of controlling circulation.
The to-and-fro motion in inner chamber of described piston, when normal product water, described suction salt runner and the gate valve filtered in runner are closed, described piston, body wall and sealing gasket coordinate the port of blocking the blowdown runner, described annular groove coordinates runner of formation with body wall, described runner is communicated with center flow channels and outlet passage.
When the regeneration displacement, described outlet passage is closed, described suction salt runner and the gate valve filtered in runner are open-minded, described piston, body wall and sealing gasket coordinate the port of blocking center flow channels, described annular groove coordinates runner of formation with body wall, described runner is communicated with side runner and blowdown runner.
Described sealing gasket comprises the first sealing gasket, the second sealing gasket, the 3rd sealing gasket, the 4th sealing gasket, the 5th sealing gasket, the 6th sealing gasket, the 7th sealing gasket and the 8th sealing gasket.
Described cover plate is provided with through hole, the piston rod coupling of described through hole and piston.
Above-described a kind of single piston countercurrent control valve moves back and forth in body cavity by piston, makes between annular groove, body wall and the sealing gasket in piston, piston to form different runners.
Beneficial effect: the utility model, when the regeneration displacement, by between the annular groove in piston, piston, body wall and sealing gasket, forming the adverse current runner, has reduced the consumption to salt, provides cost savings.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model when normal product water.
Fig. 2 is the structural representation of the utility model when the regeneration displacement.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1: a kind of single piston countercurrent control valve, comprise valve body 1, a port of described valve body 1 is provided with cover plate, another port is water inlet flow channel 2, described cover plate and valve body 1 form a cylindrical cavity, in described inner chamber, be provided with piston, described piston is tubular structure, described piston side wall center is provided with annular groove 9, between described piston and valve body 1 sidewall, also be provided with sealing gasket, described piston and sealing gasket coupling, described sealing gasket comprises the first sealing gasket 101, the second sealing gasket 102, the 3rd sealing gasket 103, the 4th sealing gasket 104, the 5th sealing gasket 105, the 6th sealing gasket 106, the 7th sealing gasket 107 and the 8th sealing gasket 108, on described valve body 1 sidewall, also be provided with center flow channels 3, side runner 4, outlet passage 6 and blowdown runner 8, described center flow channels 3 and side runner 4 all are communicated with external treatment trough.Described cover plate is provided with through hole, the piston rod coupling of described through hole and piston.
The flow path wall of described center flow channels 3 is provided with inhales salt runner 5, the flow path wall of described outlet passage 6 is provided with filtration runner 7, described suction salt runner 5 and filtration runner 7 are communicated with by external pipe, are equipped with the gate valve of controlling circulation in described suction salt runner 5 and filtration runner 7.
The to-and-fro motion in inner chamber of described piston, when normal product water, described suction salt runner 5 and the gate valve filtered in runner 7 are closed, described piston, valve body 1 sidewall, the 4th sealing gasket 104 and the 5th sealing gasket 105 coordinate the port of blocking blowdown runner 8, described annular groove 9 coordinates runner of formation with valve body 1 sidewall, described runner is communicated with center flow channels (3) and outlet passage (6).Water enters from water inlet flow channel 2, and inflow side runner 4 enters treatment trough, and softened water after treatment from center flow channels 3 upwards, is discharged from outlet passage 6.
As shown in Figure 2: be the structural representation of the utility model when regeneration is replaced.Described outlet passage 6 is closed, described suction salt runner 5 and the gate valve filtered in runner 7 are open-minded, described piston, valve body 1 sidewall, the 3rd sealing gasket 103 and the 4th sealing gasket 104 coordinate the port of blocking center flow channels 3, described annular groove 9 coordinates runner of formation with valve body 1 sidewall, described runner is communicated with side runner 4 and blowdown runner 8.Water enters from water inlet flow channel 2, pass through tubular piston, flow into and filter runner 7, described filtration runner 7 is communicated with external displacement runner, after salt solution in water and displacement runner mixes, enter and inhale salt runner 5, then by center flow channels 3, enter treatment trough, and from side runner 4, discharge through blowdown runner 8 after the treatment media displacement.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. single piston countercurrent control valve, it is characterized in that: comprise valve body (1), a port of described valve body (1) is provided with cover plate, another port is water inlet flow channel (2), described cover plate and valve body (1) form a cylindrical cavity, in described inner chamber, be provided with piston, described piston is tubular structure, described piston side wall center is provided with annular groove (9), between described piston and valve body (1) sidewall, also be provided with sealing gasket, described piston and sealing gasket coupling, on described valve body (1) sidewall, also be provided with center flow channels (3), side runner (4), outlet passage (6) and blowdown runner (8), described center flow channels (3) and side runner (4) all are communicated with external treatment trough,
The flow path wall of described center flow channels (3) is provided with inhales salt runner (5), the flow path wall of described outlet passage (6) is provided with filtration runner (7), described suction salt runner (5) and filtration runner (7) are communicated with by external pipe, are equipped with the gate valve of controlling circulation in described suction salt runner (5) and filtration runner (7);
The to-and-fro motion in inner chamber of described piston, when normal product water, described suction salt runner (5) and the gate valve filtered in runner (7) are closed, described piston, valve body (1) sidewall and sealing gasket coordinate the port of blocking blowdown runner (8), described annular groove (9) coordinates runner of formation with valve body (1) sidewall, described runner is communicated with center flow channels (3) and outlet passage (6);
When the regeneration displacement, described outlet passage (6) is closed, described suction salt runner (5) and the gate valve filtered in runner (7) are open-minded, described piston, valve body (1) sidewall and sealing gasket coordinate the port of blocking center flow channels (3), described annular groove (9) coordinates runner of formation with valve body (1) sidewall, described runner is communicated with side runner (4) and blowdown runner (8).
2. a kind of single piston countercurrent control valve according to claim 1, it is characterized in that: described sealing gasket comprises the first sealing gasket (101), the second sealing gasket (102), the 3rd sealing gasket (103), the 4th sealing gasket (104), the 5th sealing gasket (105), the 6th sealing gasket (106), the 7th sealing gasket (107) and the 8th sealing gasket (108).
3. a kind of single piston countercurrent control valve according to claim 1, it is characterized in that: described cover plate is provided with through hole, the piston rod coupling of described through hole and piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203369856U CN203309194U (en) | 2013-06-13 | 2013-06-13 | Single-piston reverse flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203369856U CN203309194U (en) | 2013-06-13 | 2013-06-13 | Single-piston reverse flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203309194U true CN203309194U (en) | 2013-11-27 |
Family
ID=49615407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203369856U Expired - Fee Related CN203309194U (en) | 2013-06-13 | 2013-06-13 | Single-piston reverse flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203309194U (en) |
-
2013
- 2013-06-13 CN CN2013203369856U patent/CN203309194U/en not_active Expired - Fee Related
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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: 20131127 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |