CN1504664A - Flush water tank inlet valve - Google Patents
Flush water tank inlet valve Download PDFInfo
- Publication number
- CN1504664A CN1504664A CNA02152663XA CN02152663A CN1504664A CN 1504664 A CN1504664 A CN 1504664A CN A02152663X A CNA02152663X A CN A02152663XA CN 02152663 A CN02152663 A CN 02152663A CN 1504664 A CN1504664 A CN 1504664A
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- diaphragm
- valve
- inlet valve
- water
- chamber
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Abstract
The invention discloses a flushing cistern intake valve which contains a valve chamber, the chamber has a vertical channel for drawing water from the water intake mounted on the cistern bottom to the float-controlled membrane valve, the membrane valve contains a channel on the diaphragm for keeping the pressure balance between the ante-chamber and the back-chamber.
Description
Technical field
The present invention relates to the annex of flushing device for toilet, more specifically refer to a kind of cistern inlet valve, this water valve comprises that specifically has a diaphragm valve that is connecting the vertical aqueduct that is fixed on the water tank bottom water intake and a floating drum control; This valve has a passage on diaphragm, be used for the pressure balance in chamber, diaphragm front and back; This assembly also comprises a control valve, is used for opening this diaphragm valve of control.
Background technique
US6 formerly in 155,288 the technology, has had a kind of inlet valve assembly of above-mentioned form, and this valve is fixed on water tank bottom, comprises the diaphragm valve of a float control.After starting bath, float descends, and by control valve, opens diaphragm valve.After diaphragm valve is opened, flow to the diaphragm valve valve seat on water is vertical.This valve seat is set on the horizontal plane.When current behind valve seat, water flow to water tank by guidance system, wherein a part of water flows to closet to replenish water seal through one section pipe after by valve seat.The moisturizing of this water seal is that so-called siphon trap requires.This technology is such as US5, describes in detail in 594,959.
At US5, in 623,961, the inlet valve assembly of above-mentioned form has also existed.This diaphragm valve is located at the top.When diaphragm valve is opened, flow to diaphragm on water is vertical.This diaphragm is set at horizontal plane, and current after to outside outflow, are issued to the purpose that enter water tank in the vertical passage guiding of setting through so far.Its moisturizing is to add a connecting piece on valve pocket to the water of water seal, guides a part of water to enter water seal.
Summary of the invention
The objective of the invention is to design a kind of cistern inlet valve, make it can quiet water filling and reduce its whole height.
Another object of the present invention is cistern inlet valve of design, makes it reduce whole height can the supplementing water water shutoff time.
Another purpose of the present invention is cistern inlet valve of design, can prevent backflow effectively when making it negative pressure occur on supply channel, and project organization is very simple.
To achieve these goals, the present invention adopts following technological scheme:
This cistern inlet valve has a valve pocket, and valve pocket is incorporated into from the vertical inlet pipe of the water intake diversion that is fixed on water tank bottom and float controlling diaphragm plate valve, and a duct that is used for the ante-chamber and the back cavity pressure of balance diaphragm is arranged on the diaphragm of this diaphragm valve; This inlet valve also has a control valve that is used for the controlling diaphragm plate valve, and this diaphragm valve is arranged on the side of valve pocket.
Described valve pocket is incorporated into the vertical inlet pipe from the water intake diversion that is fixed on water tank bottom to diaphragm valve, the back cavity after described diaphragm valve has to be located at the ante-chamber before the diaphragm and to be located at diaphragm; And ante-chamber is an annular chamber, and anchor ring is a vertical plane, is located at the side of valve pocket.
Described intake pipe communicates with the horizontal channel at top.
Described inlet valve has ante-chamber and extends upwardly to the passage that revolves water cavity.
The described water cavity that revolves has an annular groove at least, and annular groove top is open.
Described inlet valve also has the diaphragm that an anti-sealing refluxes.
The diaphragm that described anti-sealing refluxes has an elastic lip, and this elastic lip can seal up open ring chamber to external world when initial position.
The diaphragm that described anti-sealing refluxes contains flexible sheet, and this flexible sheet can be closed and be revolved water cavity.
The lip sheet of described anti-sealing backflow diaphragm can will revolve water cavity and close with the external world when diaphragm valve is opened.
Described anti-sealing backflow diaphragm is designed to annular and a central through bore is arranged.
Described anti-sealing backflow diaphragm is fixed in the valve pocket with a top cover.
When diaphragm valve is opened, revolve water cavity and link UNICOM.
Described annular exhalant canal is arranged on and revolves the water cavity bottom.
Described exhalant canal is coaxial with intake pipe.
Because the present invention adopts above-mentioned technological scheme, diaphragm valve is arranged on the side of valve pocket.After flowing to valve pocket on water is vertical, 90 ° of horizontal flows of deflection are to the diaphragm valve sealing seat.Put on the side of diaphragm valve, has reduced the whole height of valve assembly effectively.After water is through the valve seal seat, flow to the water cavity that revolves that extends to horizontal plane, can reach low especially noise like this.Main cause is that water is tangentially to flow to revolve water cavity.
Owing to adopted above-mentioned technological scheme, can prevent that sealing refluxes when revolving water cavity and negative pressure occurring.Its reason is the design of diaphragm, when diaphragm valve is opened, revolves water cavity and is opening for water inlet.Yet, when entering air, revolve water cavity and be in sealing state, therefore just there is not water to pass back into intake pipe from water tank.In the inlet valve of invention, the film lobe is to be fixed on the valve pocket with lid.So just guaranteed very simple the installation and verification.
Description of drawings
Fig. 1 is an inlet valve schematic cross-section of the present invention.
Fig. 2 is an inlet valve schematic perspective view of the present invention.
Fig. 3 is an inlet valve schematic top plan view of the present invention.
Fig. 4 is that the IV-IV of Fig. 3 is to schematic cross-section.
Fig. 5 is an inlet valve water-injecting cavity schematic cross-section of the present invention.
Fig. 6 is that the VI-VI of Fig. 5 is to schematic cross-section.
Fig. 7 is that the VII-VII of Fig. 5 is to schematic cross-section.
Fig. 8 is the anti-backflow diaphragm schematic representation of inlet valve of the present invention.
Fig. 9 is that the IX-IX of Fig. 8 is to schematic cross-section.
The schematic perspective view of Figure 10 inlet valve anti-backflow of the present invention diaphragm.
Figure 11～Figure 13 is used to describe the water valve waterproof backflow siphon principle of work and power for inlet valve of the present invention top schematic cross-section.
Embodiment
See also illustrated in figures 1 and 2, inlet valve 1 of the present invention its bottom be fixed on water tank bottom 2 with seal washer 16 and nut 18, the water intake 49 of inlet valve 1 stretches out water tank bottom 2 to connect the water supply line that this figure does not indicate.The water inlet direction is as shown in arrow 55.This is not described further.
Inlet valve 1 of the present invention contains a valve pocket that is made of plastics 8 and a vertical inlet pipe 24, and this is managed 24 inside and is inserted with an intake pipe 17.Be provided with a filter screen 15 in intake pipe 17 inside, to stop the solid particle in the water.Shown in the arrow among Fig. 1 25, the water that flows to intake channel 17 at inlet 49 places can flow vertically upward by filter 15, intake channel 17 is with sealing with seal ring 9 between the valve pocket 8, the passage 24 that intake channel 17 forms connects on top and horizontal channel 26, and passage 26 extends horizontally to link 56 places always.56 places are inserted with diaphragm valve 50 at link.
Be controlling diaphragm plate valve 50, be provided with control valve 58, control valve 58 is provided with the passage 45 and the Sealing 46 that is fixed on the rod member 6 of UNICOM's back cavity 52.As shown in Figure 1 and Figure 2, the rod member 6 that can rotate around horizontal axis 59 is connecting the floating drum 11 that is located at below the cover cap 10, when in the water tank during fills with water, the buoyancy that floating drum 11 is subjected to can be crossed rod member 19 in some way and affact on the rod member 6, thereby Sealing 46 is pressed on the passage 45, thus closing passage 45.Control float 12 also is subjected to floating function and withstands on the floating drum seat 60.When in the water tank during drawdown, control float 12 leaves floating drum seat 60, and the water in the floating drum seat 60 are drained.Meanwhile, floating drum 11 sinks to driving rod members 19 and rotates around horizontal axis 20, and rod member 6 also thereby rotate.Therefore Sealing 46 leaves passage 45 its aperture is opened.Make the pressure of back cavity 52 descend like this, cause pressure part 57 Figure 12 to lift off a seat 35, therefore diaphragm valve 50 is opened.
As shown in Figure 6 and Figure 7, ante-chamber 51 is formed by chamber 27, is shaped as annular, and direction is a vertical plane.In this chamber, valve seal seat 35 also is set at vertical plane, and is concentric approx with this chamber.As shown in Figure 6, when diaphragm valve 50 was opened, water flow to chamber 27 by direction shown in the arrow 30.This part water passes through sealing seat 35 then, according to the direction of arrow 34 indications, flows to by runner 53 and to revolve water cavity 54.This revolves water cavity two circular grooves 36, and the top of this groove is being opened.Runner 53 so water is flowed through, and tangentially enter on tiltedly and revolve water cavity 54 and groove 22.According to Fig. 6, the passage 36 that groove 22 has runner 53 to form.This tangential inlet causes the water rotation of revolving in the water cavity 54, is very favourable on fluidics, in particular for reducing noise.
As shown in Figure 5, a counterbore 21 is arranged at the top of valve pocket 8.Diaphragm 4 and top cover 5 are inserted in wherein, and can take out.Diaphragm 4 is to be pressed in the valve pocket 8 with top cover 3, and the material of diaphragm 4 is an elastic caoutchouc, and its design is extremely shown in Figure 10 as Fig. 8.As can be seen, diaphragm 4 is designed to circle.For fixing seal, also be provided with a straight flange 38 and a concentric hole 39.This hole 39 is formed by two lip sheets.Two lip sheets are separated by at a certain distance, and the end is connected as a single entity, and form independently seal membrane separately.Lip sheet 41 is by radially stiffening rib 40 reinforcements.When diaphragm valve 50 cut out, lip sheet 41 was closed annular chamber 60.This annular chamber is mainly formed by top cover 3 and valve pocket 8.As shown in figure 11.There is open bore 61 side in this chamber to communicate with ambient atmosphere, and in the initial position of lip sheet, lip sheet 41 is sealing annular chamber 60 in portion; The lip sheet 42 of bottom is covered with groove 22 to seal its top.When opening of valves, move and leave groove 22 Fig. 5 on the elastic caoutchouc lip sheet 42, as shown in figure 12, formed thereby revolve water cavity 54, water is pressed the direction inlet passage 28 shown in the arrow 48, and this passage is coaxial with intake pipe 17.All in 28, under the water vertical current.Shown in the arrow among Figure 12 29.In revolving water cavity 54, water at first rotates, and as shown in Figure 6, presses the hoop of arrow 37 indications, presses the direction inlet passage 31 of arrow 32 indications then, last inlet passage 28.Annular chamber 60 is still being sealed by lip sheet 41.If negative pressure appears in water supply line, as shown in figure 13, air just can pass through open bore 61, presses direction shown in the arrow 47, enters annular chamber 60.Inhaled air causes that lip sheet as shown in figure 13 stirs downwards, thereby annular chamber 60 is connected with runner 28.Will causing like this supplies water interrupts, thereby the water in the water tank just can not be siphoned in the intake pipe 17.Prevent that the backflow of washing by water is very important, it can prevent the pollution to supplying water.Diaphragm 4 satisfies the interchangeability requirement.Take off top cover 3, diaphragm 4 can easily be changed.Equally, take off top cover after, valve pocket 8 can obtain cleaning.
Valve pocket 8 has a structural connection 23, and when diaphragm valve 50 was opened, this link was connected and revolved water cavity 54.When diaphragm valve 50 was opened, a part of water that rotates in revolving water cavity entered a flexible pipe according to 62 directions of the arrow among Fig. 6 by link 23 and does not draw at this.By this pipe, water just enters in the water seal of toilet.Like this, water had just been filled with in anhydrous water seal place again after siphon finished.When opening of valves, except to the water tank water filling, also to the water filling of toilet side.Have only when toilet has the siphon water seal to bend and just need link 23 when existing.
Claims (14)
1, a kind of cistern inlet valve, it is characterized in that: this inlet valve has a valve pocket (8), valve pocket (8) is incorporated into from the vertical inlet pipe (24) and the float controlling diaphragm plate valve (50) of water intake (49) diversion that is fixed on water tank bottom (2), and a duct that is used for the ante-chamber (51) and back cavity (52) pressure of balance diaphragm (43) is arranged on the diaphragm (43) of this diaphragm valve (50); This inlet valve also has a control valve (58) that is used for controlling diaphragm plate valve (50), and this diaphragm valve (50) is arranged on the side of valve pocket (8).
2, tank intake valve of water according to claim 1, it is characterized in that: described valve pocket (8) is incorporated into the vertical inlet pipe (24) from water intake (49) diversion that is fixed on water tank bottom (2) to diaphragm valve (50), the back cavity (52) after described diaphragm valve (50) has to be located at the preceding ante-chamber (51) of diaphragm (43) and to be located at diaphragm (43); And ante-chamber (51) is an annular chamber, and anchor ring is a vertical plane, is located at the side of valve pocket (8).
3, inlet valve according to claim 1 is characterized in that: described intake pipe (24) communicates with the horizontal channel (26) at top.
4, inlet valve according to claim 2 is characterized in that: described inlet valve has ante-chamber (51) and extends upwardly to the passage (53) that revolves water cavity (54).
5, inlet valve according to claim 2 is characterized in that: the described water cavity (54) that revolves has an annular groove (22) at least, and annular groove (22) top is open.
6, inlet valve according to claim 2 is characterized in that: described inlet valve also has the diaphragm (4) that an anti-sealing refluxes.
7, inlet valve according to claim 6 is characterized in that: the diaphragm (4) that described anti-sealing refluxes has an elastic lip (41), and this elastic lip (41) can seal up open ring chamber (60) to external world when initial position.
8, inlet valve according to claim 6 is characterized in that: the diaphragm (4) that described anti-sealing refluxes contains flexible sheet (42), and this flexible sheet (42) can be closed and be revolved water cavity (54).
9, inlet valve according to claim 6 is characterized in that: the lip sheet (41) of described anti-sealing backflow diaphragm (4), can will revolve water cavity (54) and close with the external world when diaphragm valve (50) is opened.
10, inlet valve according to claim 6 is characterized in that: described anti-sealing backflow diaphragm (4) is designed to annular and a central through bore (39) is arranged.
11, inlet valve according to claim 6 is characterized in that: described anti-sealing backflow diaphragm (4) is to be fixed in the valve pocket (8) with a top cover (3).
12, according to each described inlet valve of claim 1 to 11, it is characterized in that: when diaphragm valve (50) is opened, revolve water cavity (54) and link (23) UNICOM.
13, according to each described inlet valve of claim 1 to 11, it is characterized in that: described annular exhalant canal (28) is arranged on and revolves water cavity (54) bottom.
14, inlet valve according to claim 13 is characterized in that: described exhalant canal (28) is coaxial with intake pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA02152663XA CN1504664A (en) | 2002-11-28 | 2002-11-28 | Flush water tank inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA02152663XA CN1504664A (en) | 2002-11-28 | 2002-11-28 | Flush water tank inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1504664A true CN1504664A (en) | 2004-06-16 |
Family
ID=34234837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA02152663XA Pending CN1504664A (en) | 2002-11-28 | 2002-11-28 | Flush water tank inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1504664A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720860A (en) * | 2012-03-06 | 2012-10-10 | 徐一鸣 | Water inlet valve, a double water inlet water pipe, and a double drainage water tank |
| CN105221820A (en) * | 2015-10-28 | 2016-01-06 | 厦门立业卫浴工业有限公司 | A kind of inlet valve back pressure hole closes opening device and inlet valve |
| CN105297855A (en) * | 2015-09-16 | 2016-02-03 | 上海科勒电子科技有限公司 | Anti-backflow water tank and anti-backflow system |
| CN108006305A (en) * | 2018-01-18 | 2018-05-08 | 宁波佳音机电科技股份有限公司 | Duplex solenoid valve |
-
2002
- 2002-11-28 CN CNA02152663XA patent/CN1504664A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720860A (en) * | 2012-03-06 | 2012-10-10 | 徐一鸣 | Water inlet valve, a double water inlet water pipe, and a double drainage water tank |
| CN105297855A (en) * | 2015-09-16 | 2016-02-03 | 上海科勒电子科技有限公司 | Anti-backflow water tank and anti-backflow system |
| CN105297855B (en) * | 2015-09-16 | 2017-02-01 | 上海科勒电子科技有限公司 | Anti-backflow water tank and anti-backflow system |
| US10125894B2 (en) | 2015-09-16 | 2018-11-13 | Shanghai Kohler Electronics, Ltd. | System for preventing reverse flow |
| CN105221820A (en) * | 2015-10-28 | 2016-01-06 | 厦门立业卫浴工业有限公司 | A kind of inlet valve back pressure hole closes opening device and inlet valve |
| CN105221820B (en) * | 2015-10-28 | 2017-12-05 | 厦门立业卫浴工业有限公司 | A kind of water intaking valve back pressure hole closing opening device and water intaking valve |
| CN108006305A (en) * | 2018-01-18 | 2018-05-08 | 宁波佳音机电科技股份有限公司 | Duplex solenoid valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |