CN2755374Y - Control valve of automatic water intake device - Google Patents
Control valve of automatic water intake device Download PDFInfo
- Publication number
- CN2755374Y CN2755374Y CN 200420096990 CN200420096990U CN2755374Y CN 2755374 Y CN2755374 Y CN 2755374Y CN 200420096990 CN200420096990 CN 200420096990 CN 200420096990 U CN200420096990 U CN 200420096990U CN 2755374 Y CN2755374 Y CN 2755374Y
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- CN
- China
- Prior art keywords
- water
- valve body
- control
- spool
- rubber cushion
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- Expired - Fee Related
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Abstract
The utility model discloses a control valve for automatic water intake devices, which comprises an upper valve body and a lower valve body which are arranged in a valve seat, wherein a water-stopping rubber pad is arranged between the upper valve body and the lower valve body and is provided with a water inflow controlling channel communicating a main water flow channel and a control water cavity; a valve core capable of axially moving and being sealed with liquid is arranged in the water inflow controlling channel, threads out of the upper valve body from a water flow controlling outlet and is hinged with a lever controlled by a float. The utility model solves the problems that when the control water cavity is partitioned from atmosphere, the float can obtain buoyancy which is greater than the gravity thereof so that the control valve bears torque and has easy damage due to long-time use. The utility model has the advantages of high water intake speed and difficult damage when used for a long time, and is widely applied to the water intake control of automatic water intake devices, such as water closets.
Description
Technical field
The utility model relates to the control valve technical field, relates in particular to a kind of control valve that is used for automatic water inflow device.
Background technique
The known control valve that is used for automatic water inflow device, comprise the upper valve body and the following valve body that are installed in the valve seat, be provided with the sealing rubber cushion between upper valve body and the following valve body, form the control water cavity of sealing between upper valve body and the sealing rubber cushion, the control water cavity is provided with the controlled water flow outlet; Form main flow channel between sealing rubber cushion and the following valve body, main flow channel communicates with intake pipe and water storage box respectively, and the sealing rubber cushion is provided with the controlled water flow that can be communicated with main flow channel and control water cavity and goes into passage.When water level is raised to certain altitude, cursory drive lever rotates, make the projection envelope pressure-controlled water export end of being fixed in the lever the other end, partition control water cavity is communicated with atmosphere, and this moment, main current continued to flow into water storage box by main flow channel, and while sub-fraction water enters the control water cavity by the water-flowing trough of sealing rubber cushion, rising along with hydraulic pressure in the control water cavity, force the sealing rubber cushion to produce distortion, main flow channel is cut off, thereby stop into water.Its shortcoming is: when projection envelope pressure-controlled water export end, it moves and is restricted, cursory also no longer the come-up, but the water level of water storage box continues to raise, consequently, force the cursory buoyancy that is subjected to greater than its gravity, this buoyancy can make control valve bear torque, the long-time use, control valve damages easily.
The model utility content
Technical problem to be solved in the utility model is: a kind of control valve that is used for automatic water inflow device is provided, to solve when cutting off being communicated with of control water cavity and atmosphere, cursory meeting is subjected to the buoyancy greater than its gravity, causes control valve to bear torque, the long-time use, the problem of damaging easily.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of control valve that is used for automatic water inflow device, comprise the upper valve body and the following valve body that are installed in the valve seat, be provided with the sealing rubber cushion between upper valve body and the following valve body, form the control water cavity of sealing between upper valve body and the sealing rubber cushion, upper valve body is provided with the controlled water flow outlet; Form main flow channel between sealing rubber cushion and the following valve body, main flow channel communicates with intake pipe and water storage box respectively, and the sealing rubber cushion is provided with and main flow channel can be gone into passage with the controlled water flow that the control water cavity is communicated with; Be subjected to the lever of cursory control to be articulated in upper valve body, the controlled water flow of described sealing rubber cushion go into be provided with in the passage can move axially and can with the spool of its liquid sealing, spool passes upper valve body and hinged with lever from the controlled water flow outlet, when spool moves axially in controlled water flow is gone into passage, the water of main flow channel can be introduced the control water cavity, and selectively make the control water cavity be communicated with or cut off with atmosphere.
When spool moves axially in controlled water flow is gone into passage, the water of main flow channel is introduced the control water cavity, and selectively make the control water cavity be communicated with or cut off with atmosphere, can adopt following structure to realize: controlled water flow is gone into the radial direction through hole that passage comprises the axial hole of mutual perforation, and spool is arranged in the axial hole; This sealing rubber cushion also is provided with the first hole groove of annular coaxial with axial hole and that be communicated with radial direction through hole; The spool outer peripheral surface is provided with the axle groove of annular, and axle groove both sides form the shaft shoulder, and the outer circumferential face that is positioned at the spool shaft shoulder of intake tunnel side is provided with some axial water-flowing troughs, and spool and controlled water flow outlet have the water flowing gap.
Owing to adopted technique scheme, when water level is lower than predetermined water level in the water storage box, spool is under the effect of cursory gravity, move to the upper of regulation, the spool of axle groove and axial water-flowing trough part is positioned at the axial hole of sealing rubber cushion, the axle groove is corresponding with the first hole groove location, the control water cavity is by the radial direction through hole of sealing rubber cushion, gap between axle groove and the first hole groove and spool communicate with atmosphere with water flowing gap between controlled water flow exports, controlling the interior hydraulic pressure of water cavity this moment is zero, main current enter down the main flow channel of valve body from intake pipe, upwards roof pressure sealing rubber cushion enters water storage box fast; Rising along with liquid level, cursoryly move down by the axial hole of lever pushing spool along the sealing rubber cushion, enter the axial hole of sealing rubber cushion with the spool of lever hinge portion this moment and will control the passage partition of water cavity and atmosphere, this moment, the part current entered the control water cavity from the axial water-flowing trough of spool through the first hole groove, radial direction through hole, increase along with the control water cavity water yield, to make the sealing rubber cushion produce resiliently deformable, until main flow channel is sealed, water supply stops, cursory no longer come-up, spool also no longer moves down.When drawdown, move on the spool, when the spool with the lever hinge portion shifts out the axial hole of sealing rubber cushion, the control water cavity is communicated with atmosphere, and its interior water yield tails off, and the pressure of sealing rubber cushion is reduced, main current back down the sealing rubber cushion once more, enter water storage box through main flow channel.Therefore as can be seen, the partition of control water cavity and atmosphere is to realize by the inner peripheral surface liquid sealing of the axial hole of the outer circumferential face of spool and sealing rubber cushion, the axial hole of sealing rubber cushion can not limit moving axially of spool, thereby the cursory buoyancy that can not be subjected to greater than its gravity, so control valve also can not be subjected to the effect of torque, the long-time use is not easy to damage.
As a kind of improvement, described water-flowing trough comprises the first axial water-flowing trough and the second axial water-flowing trough of the certain axial distance in space; The sealing rubber cushion is provided with the second hole groove coaxial with axial hole, and the second hole groove is positioned at the main flow channel side of the first hole groove and has axial distance with the first hole groove.When beginning to intake, spool part between the first axial water-flowing trough and the second axial water-flowing trough and, the first hole groove and the partition wall position between the second hole groove of sealing rubber cushion be corresponding, control water cavity and main flow channel partition this moment, increase its water yield thereby avoid the axial water-flowing trough of part current by spool to enter the control water cavity, roof pressure sealing rubber cushion and reduce the water intake velocity of main current.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is the utility model embodiment's a structure sectional view.
Embodiment
As shown in drawings, a kind of control valve that is used for automatic water inflow device, comprise the upper valve body 5 and the following valve body 2 that are installed in the valve seat 1, valve seat 1 upper end clamping valve gap 4, be provided with sealing rubber cushion 3 between upper valve body 5 and the following valve body 2, form the control water cavity B of sealing between upper valve body 5 and the sealing rubber cushion 3, upper valve body 5 is provided with controlled water flow outlet 6; Form main flow channel A between sealing rubber cushion 3 and the following valve body 2, main flow channel A communicates with intake pipe 9 and water storage box (not shown) respectively.Following valve body 2 can be made as one with intake pipe 9, makes automatic water inflow device simple in structure.Sealing rubber cushion 3 is provided with the axial hole and the radial direction through hole 13 of mutual perforation, forms controlled water flow jointly and goes into passage; This sealing rubber cushion 3 also is provided with the coaxial first hole groove 14 and the second hole groove, 15, the second hole grooves 14 of axial hole and is positioned at main flow channel A side and has axial distance with the first hole groove 14, and the first hole groove 14 connects with radial direction through hole 13.Be provided with in the axial hole can with its liquid sealing and can axially movable spool 7, spool 7 passes upper valve body 5 and hinged with lever 8 from controlled water flow outlet 6, is subjected to the lever 8 of cursory control to be articulated in upper valve body 5, spool 7 has the water flowing gap with controlled water flow outlet 6.The spool outer peripheral surface is provided with the axle groove 12 of annular, and axle groove 12 both sides form the shaft shoulder, and the outer circumferential face that is positioned at the valve core shoulder of intake tunnel A side is provided with the first axial water-flowing trough 10 and the second axial water-flowing trough 11 of the certain axial distance in space.
Its working procedure is as follows: when water level is lower than predetermined water level in the water storage box, spool 7 is under the effect of cursory gravity, move to the upper of regulation, the axle groove of spool 7 and axial water-flowing trough partly are positioned at the axial hole of sealing rubber cushion 3, axle groove 12 is corresponding with the first hole groove, 14 positions, control water cavity B is by the radial direction through hole 13 of sealing rubber cushion 7, gap between axle groove 12 and the first hole groove 14 and spool 7 communicate with atmosphere with the water flowing gap that controlled water flow exports between 6, controlling the interior hydraulic pressure of water cavity B this moment is zero, main current enter main flow channel A from intake pipe 9, upwards roof pressure sealing rubber cushion 3 enters water storage box fast; Rising along with liquid level, cursoryly promote spools 7 by lever 8 and move down along the axial hole of sealing rubber cushion 3, enter the axial hole of sealing rubber cushion 3 with the spool 7 of lever 8 hinge portions this moment and will control the passage partition of water cavity B and atmosphere, this moment, the part current entered control water cavity B from the axial water-flowing trough of spool 7 through the first hole groove 14, radial direction through hole 13, increase along with the control water cavity B water yield, to make sealing rubber cushion 3 produce resiliently deformable, until main flow channel is sealed, water supply stops, cursory no longer come-up, spool 7 also no longer moves down.When drawdown, move on the spool 7, when the spool 7 with lever 8 hinge portions shifts out the axial hole of sealing rubber cushion 3, control water cavity B is communicated with atmosphere, the water yield in it tails off, pressure to sealing rubber cushion 3 reduces, and main current back down sealing rubber cushion 3 once more, enters water storage box through main flow channel.As can be seen, the partition of control water cavity B and atmosphere is to realize by the inner peripheral surface liquid sealing of the outer circumferential face of spool 7 and axial hole, the axial hole of sealing rubber cushion 3 can not limit moving axially of spool 7, thereby the cursory buoyancy that can not be subjected to greater than its gravity, so control valve also can not be subjected to the effect of torque, the long-time use is not easy to damage.
When beginning to intake, spool part between the first axial water-flowing trough 10 and the second axial water-flowing trough 11 and, the first hole groove 14 and the partition wall position between the second hole groove 15 of sealing rubber cushion be corresponding, control water cavity B and main flow channel A partition this moment, increase its water yield thereby avoid the axial water-flowing trough of part current by spool 7 to enter control water cavity B, roof pressure sealing rubber cushion 3 and reduce the water intake velocity of main current.
Claims (4)
1, a kind of control valve that is used for automatic water inflow device, comprise the upper valve body (5) and the following valve body (2) that are installed in the valve seat (1), be provided with sealing rubber cushion (3) between upper valve body (5) and the following valve body (2), form the control water cavity (B) of sealing between upper valve body (5) and the sealing rubber cushion (3), upper valve body (5) is provided with controlled water flow outlet (6); Form main flow channel (A) between sealing rubber cushion (3) and the following valve body (2), main flow channel (A) communicates with intake pipe (9) and water storage box respectively, and sealing rubber cushion (3) is provided with and main flow channel (A) can be gone into passage with the controlled water flow that control water cavity (B) is communicated with; Be subjected to the lever (8) of cursory control to be articulated in upper valve body (5), it is characterized in that: the controlled water flow of described sealing rubber cushion (3) go into be provided with in the passage can move axially and can with the spool (7) of its liquid sealing, spool (7) passes upper valve body (5) and hinged with lever (8) from controlled water flow outlet (6), when spool (7) moves axially in controlled water flow is gone into passage, the water of main flow channel (A) can be introduced control water cavity (B), and selectively make control water cavity (B) be communicated with or cut off with atmosphere.
2, a kind of control valve that is used for automatic water inflow device as claimed in claim 1 is characterized in that: described controlled water flow is gone into axial hole and the radial direction through hole (13) that passage comprises mutual perforation, and spool (7) is arranged in the axial hole; This sealing rubber cushion (3) also is provided with the first hole groove (14) of annular coaxial with axial hole and that be communicated with radial direction through hole (13); The spool outer peripheral surface is provided with the axle groove (12) of annular, and axle groove (12) both sides form the shaft shoulder, and the outer circumferential face that is positioned at the spool shaft shoulder of intake tunnel (A) side is provided with some axial water-flowing troughs; Spool (7) has the water flowing gap with controlled water flow outlet (6).
3, a kind of control valve that is used for automatic water inflow device as claimed in claim 2 is characterized in that: described water-flowing trough comprises first, second axial water-flowing trough (10,11) of the certain axial distance in space; Sealing rubber cushion (2) is provided with the second hole groove (15) coaxial with axial hole, and the second hole groove (15) is positioned at main flow channel (A) side of the first hole groove (14) and has axial distance with the first hole groove (14).
4, a kind of control valve that is used for automatic water inflow device as claimed in claim 1 is characterized in that: described valve body (2) down is made as one with intake pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096990 CN2755374Y (en) | 2004-10-07 | 2004-10-07 | Control valve of automatic water intake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096990 CN2755374Y (en) | 2004-10-07 | 2004-10-07 | Control valve of automatic water intake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755374Y true CN2755374Y (en) | 2006-02-01 |
Family
ID=35929002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096990 Expired - Fee Related CN2755374Y (en) | 2004-10-07 | 2004-10-07 | Control valve of automatic water intake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755374Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062189A1 (en) * | 2010-11-11 | 2012-05-18 | Li Feiyu | Water inlet valve for toilet and control method thereof |
-
2004
- 2004-10-07 CN CN 200420096990 patent/CN2755374Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062189A1 (en) * | 2010-11-11 | 2012-05-18 | Li Feiyu | Water inlet valve for toilet and control method thereof |
| US9422699B2 (en) | 2010-11-11 | 2016-08-23 | Wdi (Xiamen) Technology Inc. | Toilet inlet valve and control method thereof |
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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 |