CN2416149Y - Equivalent water quantity controllable hydraulic key - Google Patents
Equivalent water quantity controllable hydraulic key Download PDFInfo
- Publication number
- CN2416149Y CN2416149Y CN 00205515 CN00205515U CN2416149Y CN 2416149 Y CN2416149 Y CN 2416149Y CN 00205515 CN00205515 CN 00205515 CN 00205515 U CN00205515 U CN 00205515U CN 2416149 Y CN2416149 Y CN 2416149Y
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- CN
- China
- Prior art keywords
- water
- valve
- key
- utility
- model
- 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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- Sanitary Device For Flush Toilet (AREA)
Abstract
The utility model relates to an equivalent water quantity controllable hydraulic key, which mainly comprises a hydraulic valve body, a valve seat, a valve rod, a valve core, a press key, a reset spring, a water inlet and a water outlet, wherein, the flow area of a middle ring waterway of the water inflow end of the periphery of the valve rod in the valve body is equal to the flow area of an outer ring waterway of the water outflow end of the valve core, and the screw pitch on the return spring begins to be changed from big to small from the press key end. The utility model has the advantages of small water resistance and high transmission efficiency, the quantity of flushing water discharged by a flush valve can be controlled according to the light and heavy press and time length of the hand feeling, the hand feeling is strong, operability is good, and washing water can be effectively and reliably saved.
Description
The utility model relates to a kind of lavatory pan cistern fittings.
Existing lavatory pan cistern fittings mainly comprises hydraulic valve, valve seat, valve rod, spool, button, back-moving spring, water inlet and delivery port.Discharge area, the outer shroud water route size of the middle ring water route of water inlet end and spool outer shroud water side is unequal around the valve body inner valve stem, and water resistance is bigger; Pitch structures such as back-moving spring is, feel is poor, and washing water quantity is difficult to control, causes water waste.
The purpose of this utility model provides a kind of homalographic water yield controlled hydraulic key, reduces water resistance, improves transmission efficiency, can control washing water quantity with feel, using water wisely.
The technical scheme of the utility model homalographic water yield controlled hydraulic key is: it mainly comprises hydraulic valve, valve seat, valve rod, spool, button, back-moving spring, water inlet and delivery port, it is characterized in that: the middle ring water route of water inlet end equates that with the discharge area, outer shroud water route of spool outer shroud water side the screw pitch on the back-moving spring begins from large to small from the button end around the valve body inner valve stem.
Operating principle of the present utility model: when lavatory pan need wash, with button under the have gentle hands flicking, spool is just lifted off a seat, water with pressure just enters the outer shroud water route by water inlet by middle ring water route, again by delivery port through the hydraulic pressure chamber of line transportation to flushing valve, drive flushing valve lavatory pan washed.
The utility model has the advantages that: the middle ring in the valve body equates with the outer shroud discharge area, replaces the product that existing area differs in size on the market, therefore, has the advantage that water resistance is little, transmission efficiency is high.Back-moving spring is a pitch structure such as non-, if button light, can discharge washing water quantity by the time weak point, the heavy slightly button time can be discharged whole washing water quantities than length.Rely on feel the weight of button to be pushed and the length of time, just can control the washing water quantity that flushing valve is discharged.This is than pitch back-moving spring structure such as existing on the market, and feel is strong, operability good, washing water quantity is controlled easily, can save wash water effectively, reliably.
Below in conjunction with drawings and Examples the utility model is described in detail:
Fig. 1 is a structural representation of the present utility model.
As shown in the figure, homalographic water yield controlled hydraulic key, mainly comprise hydraulic valve 1, valve seat 2, spool 3, valve rod 10, button 4, back-moving spring 5, water inlet 6 and delivery port 7, the middle ring water route 8 of water inlet end equates that with 9 discharge areas, outer shroud water route of spool 3 outer shroud water sides the screw pitch on the back-moving spring 5 begins from large to small from the button end around valve body 1 inner valve stem 10.
Claims (1)
1, a kind of homalographic water yield controlled hydraulic key, mainly comprise hydraulic valve, valve seat, valve rod, spool, button, back-moving spring, water inlet and delivery port, it is characterized in that: the middle ring water route of water inlet end equates that with the discharge area, outer shroud water route of spool outer shroud water side the screw pitch on the back-moving spring begins from large to small from the button end around the valve body inner valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00205515 CN2416149Y (en) | 2000-02-25 | 2000-02-25 | Equivalent water quantity controllable hydraulic key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00205515 CN2416149Y (en) | 2000-02-25 | 2000-02-25 | Equivalent water quantity controllable hydraulic key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2416149Y true CN2416149Y (en) | 2001-01-24 |
Family
ID=33573670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00205515 Expired - Fee Related CN2416149Y (en) | 2000-02-25 | 2000-02-25 | Equivalent water quantity controllable hydraulic key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2416149Y (en) |
-
2000
- 2000-02-25 CN CN 00205515 patent/CN2416149Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |