CN202936867U - Dual-range water-discharge switching mechanism for water tank - Google Patents

Abstract

The utility model discloses a double-water-discharge switching mechanism for a water tank. The double-water-discharge switching mechanism for the water tank includes a water container with an opening in the bottom part of an inner cavity. The enclosed top part of the water container is provided with an air hole communicated with the inner cavity. The double-water-discharge switching mechanism for the water tank also includes a valve device controlling the opening and the closing of the air hole and a water discharge valve control element including a half-row press button and a whole-row press button. The whole-row press button is in linked cooperation with the valve device for opening the air hole. The half-row press button is in linked cooperation with the valve device for closing the air hole. Water body in the inner cavity of the water container is stored in a sealed state. The air hole is opened through the valve device in linked cooperation with the whole-row press button for letting air in, so that the sealing of the water body in the water container is removed and water can flow out of the inner cavity of the water container. Therefore, a part of the water body stored in the inner cavity of the water container can be switched between two states of sealing and unsealing under at atmospheric pressure, so that a function of dual-range water discharge of the water tank is realized.

Description

Double water discharge switching mechanism for water tank

Technical field

The utility model relates to a kind of bathroom cistern water-discharging amount controlling organization, particularly a kind of Double water discharge switching mechanism for water tank.

Background technology

Bathroom water tank on existing domestic and international market is equipped with individual palpation draining valve or two by draining valve, and the individual palpation draining valve is controlled cistern water-discharging amount function singleness, and twoly can realize two kinds of different displacement of water tank by draining valve.For the water tank that uses the individual palpation draining valve, the individual palpation draining valve can't make water tank realize full row, the control function of partly arranging these two kinds of different displacement at all, causes the water waste of flushing the toilet.The control of existing cistern water-discharging amount is to determine by two kinds of different working water levels of draining valve, for example, clap the cistern water-discharging amount control of covering the formula draining valve for adopting, generally that draining valve adopts two sealings that height arranges to clap that of lid opens or two are opened simultaneously and control the cistern water-discharging water level, realize that water tank is at the displacement of two water levels, or control the counterweight of clapping lid, realize clapping the time quantum that covers sealed draw-off valve water outlet base different, solve the problem of the full row and semi-row control of cistern water-discharging amount; But these modes remain the control to water tank water body water level, and complex structure, and water yield switching controls is not accurate enough still can't take full advantage of the Water in Water Tanks source, causes water waste.

The utility model content

For addressing the above problem, the utility model is intended to propose a kind of simple in structure, two kinds of displacement switching controls Double water discharge switching mechanism for water tank accurately, by the container of filling a part of water body in water tank is under atmospheric pressure sealed and unsealed switching controls, make water tank have two kinds of different displacement.

For reaching above-mentioned purpose, the utility model proposes Double water discharge switching mechanism for water tank, it is characterized in that it comprises: the tank of an intracavity bottom opening, it seals the air vent that the top is provided with a communication with cavity, one controls the valving that air vent opens or closes, one includes the draining valve control of half row's button and full row's button, entirely arranges button and valving and is linked and opens air vent, partly arranges button and valving and is linked and closes air vent.

The pressure relief device of exhaust when also being provided with one on described tank section's pressure is greater than atmospheric pressure within it, when valving is normally off, air when filling water to tank in inner chamber is affected the rate of climb of water level by gradually reducing, increase this pressure relief device and make inner chamber air pressure and external pressure force retaining balance, thereby accelerate the water filling speed; When valving is normally open, because remaining with outside atmospheric pressure, the tank inner chamber is communicated with, do not need this pressure relief device.

Described pressure relief device is located on valving, and valving is controlled pressure relief device and coordinated the exhaust of controlling air vent and air-breathing with air vent; During valving sealing ventilation hole, tank, separates pressure relief device by valving when needing the air vent air inlet by the pressure relief device release with air vent.

Described valving comprises a holder that is fixed on the tank top, one and the fork of draining valve control interlock, swings by bearing pin in the middle of the fork bottom to be connected on holder, and fork one end is provided with the seal cover in sealing ventilation hole; Fork be equipped with seal cover press down air vent the time, seal cover and air vent are sealed and matched, fork is equipped with upwarping with air vent of seal cover to be separated, air vent is opened ventilation.

The fork of described valving OnSeal cover be that a thin type rubber parts forms described pressure relief device, when the tank inner chamber during greater than external pressure, rubber parts edge elasticity upwarps and air vent forms the gap, the exhaust release is carried out to the tank inner chamber in this gap; Tank inner chamber level rises, the pressure of tank inner chamber increases, inner chamber forms the air pressure of gap exhaust removal tank inner chamber by rubber parts elastic deformation and air vent, after the exhaust release is complete, the water body of tank inner chamber is sealed, and stores under atmosphere bears down on one the pressure effect, as long as tank intracavity bottom opening does not leave the water surface, the tank inner cavity top still seals, and the water body of inner chamber is not affected by the outer water body fluctuation in stage of tank.

When pressing fork, opens full row's button that the other end of the fork of described valving is provided with a water supply and draining valve control end face of pressing of valving; Pressing end face presses down, the end that fork is equipped with seal cover upwarps, and seal cover separates with air vent opens air vent, and the water body in inner chamber does not have sealed, make the water body of tank inner chamber be in outside atmosphere and depress, namely the water body of tank inner chamber is in and can flows out state.

The other end of the fork of described valving is provided with partly arranging of a water supply and draining valve control and draws and lifts resetting of fork positive closing valving when button resets and argue for the sake of arguing; Drawing and lifting resets argues for the sake of arguing the fork end that seal cover is installed is pressed down, and seal cover seals air vent, and the tank inner cavity top is sealed.

Be provided with a counterweight chamber and one and the buckle closure that fastens of counterweight chamber in the fork of described valving, be provided with a steel ball of can be within it returning to roll along fork two ends in the counterweight chamber; Steel ball in the counterweight chamber can increase sensitivity and the reliability that fork swings, and when partly arranging work, and steel ball is in the counterweight chamber near an end of seal cover, guarantees that seal cover on the fork of valving presses down to close air vent.

Described draining valve control comprises that also one has the button support that is fixed in the tank top, the cover respectively of partly arranging button and full row's button has spring fitting on the button support, button support below is hinged with the swing arm that an end is connected with the draining valve valve handle activity, partly arranges button and entirely arranges button and swing arm and press and be linked; When partly arranging button and pressing, full row's button is motionless, and when entirely arranging button and pressing, full row's button drives and partly arranges button and move together.

Described full row's button bottom is fixed one and can be pressed down the depression bar of pressing end face, and depression bar is positioned at presses the end face top on the fork of valving; Full row's button presses down by depression bar and presses end face fork is swung, thereby makes valving open air vent.

The button below of partly arranging of described draining valve control is provided with a pull bar, and pull bar is provided with the strip hanging hole, and the pull bar top is hinged on the other end of swing arm, and resetting on the fork of valving argued for the sake of arguing to peg graft with the strip hanging hole and coordinated.Partly arrange button and press and make swing arm that pull bar one end is installed to rotate, the strip hanging hole on pull bar is argued for the sake of arguing to resetting and is stepped down, and when partly arranging button and reset, swing arm upwarps and drives pull bar and rise, and the strip hanging hole draws and lifts that resetting argues for the sake of arguing makes valving close air vent.

Be provided with in the middle of described tank one with its inner chamber isolation, common pressure chamber that be used for installing draining valve, the tank top is located in the common pressure chamber open top; Described tank also is provided with the drain vessel of phase fit with it outward; The drain vessel bottom surface is provided with an installing hole that drainage valve base can be installed, and tank sidewall bottom is provided with a water inlet at least, and drain vessel is provided with a through-flow mouth that communicates and fit with water inlet on the side at least.By water inlet and through-flow mouth, the water water conservancy diversion in water tank is advanced in the inner chamber of tank, installing hole and uncovered the communicating in tank bottom, when communicating with atmospheric pressure by air vent in the inner chamber of tank, the water in the inner chamber of tank can be by the drainage valve base discharge water tank at installing hole place.

The two side of described drain vessel is provided with locating hole, and a press strip inserts two locating holes, and press strip one end hook blocks drain vessel, and the other end is connected and fixed by a buckle, and press strip top pressure tank and drain vessel fit are fixed.

The top of described tank also is provided with a steam vent that communicates with its inner chamber, and described pressure relief device is an exhaust check valve, and exhaust check valve is connected with steam vent.By increasing exhaust check valve to the exhaust of tank inner chamber, the rubber parts that seal cover adopts the edge to be out of shape can realize that valving only controls the air inlet of air vent, and air vent is not used as the exhaust release.

After adopting technique scheme, the utility model is installed in the bathroom water-closet tank, the water tank water intake water level rises, the tank inner chamber is by the pressure relief device exhaust release on air vent, after the release of tank inner chamber, pressure relief device still cuts out air vent sealing tank inner chamber under valving is controlled, the tank inner chamber is no matter be full of water or be not full of water, and atmospheric pressure still bears down on one the water body of tank and stores in inner chamber; Press half row's button and open draining valve, the Water in Water Tank outside the tank inner chamber is discharged by draining valve, and cistern water level descends, and the water body in the tank inner chamber can't flow out because being pressed in the tank inner chamber by atmospheric pressure, completes half drain function; When depressing full row's button and open draining valve, full row's button push valve door gear is opened air vent, the tank inner chamber is communicated with external pressure, making in the tank inner chamber all is under atmospheric pressure with the outer water of inner chamber, conduct oneself with dignity by water body and discharge water tank by drainage valve base, realize full drain function.Be that the utility model carries out sealed storage by a part of water body in the tank inner chamber or non-tight is controlled, realize that double-drainage switches, and utilizes the utility model to be transformed into the drainage control mechanism with double-drainage function to traditional individual palpation draining valve.

The beneficial effects of the utility model are: the water body of tank inner chamber is under sealing state and stores, open the air vent air inlet by the valving of pressing interlock with full row's button, remove the tank inner chamber to the sealing of the water body in it, the tank inner chamber can be flowed out, be water body that in water tank, a part is stored in the tank inner chamber under atmospheric pressure seal and the non-tight two states between switch, realize the folk art term drain function of water tank.

Description of drawings

Fig. 1 is the three-dimensional assembly structure decomposing schematic representation of embodiment one the utility model.

Fig. 2 is the stereochemical structure decomposing schematic representation that embodiment one the utility model is installed draining valve.

Fig. 3 is the stereochemical structure decomposing schematic representation of embodiment one the utility model tank top mounted valve device and draining valve control.

Fig. 4 is embodiment one STRUCTURE DECOMPOSITION schematic diagram of the present utility model.

Fig. 5 is the complete stereochemical structure sectional view of embodiment one the utility model and draining valve overall package.

Fig. 6 is the perspective view of embodiment one the utility model original state.

Fig. 7 is the perspective view that embodiment one the utility model is partly arranged duty.

Fig. 8 is the perspective view that embodiment one the utility model is arranged duty entirely.

Fig. 9 is that embodiment one the utility model is installed on the stereochemical structure sectional view in the bathroom water tank.

Figure 10 is that the tank top of the utility model embodiment two is provided with exhaust pore structure sectional view.

Figure 11 is the sectional structure chart of the valving normally open of the utility model embodiment three.

Figure 12 is the three-dimensional structure diagram of the valving normally open of the utility model embodiment three.

In figure, accompanying drawing is designated: 10. tank; 11. inner chamber; 12. bottom opening; 13. sealing top; 14. air vent; 15. water inlet; 16. common pressure chamber; 17. common pressure chamber open top; 18. steam vent; 20. valving; 21. holder; 22. fork; 23. bearing pin; 24. press end face; Argue for the sake of arguing 25. reset; 26. seal cover; 27. counterweight chamber; 28. steel ball; 29. buckle closure; 30. draining valve control; 31. button support; 32. partly arrange button; 321. partly arrange the button back-moving spring; 33. entirely arrange button; 331. entirely arrange the button back-moving spring; 34. swing arm; 35. pull bar; 351. strip hanging hole; 36. depression bar; 40. drain vessel; 41. installing hole; 42. through-flow mouthful; 43. locating hole; 50. press strip; 51. buckle; 60. draining valve; 61. draining valve valve body; 62. drainage valve base; 63. valve rod; 64. draining seal gasket; 70. water tank; 80. water intaking valve; 90. one way valve.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Embodiment one (tank top exhaust and an air-breathing air vent are set).

As Fig. 1～a kind of Double water discharge switching mechanism for water tank shown in Figure 5, mainly assemblied by a tank 10, a valving 20 and a draining valve control 30.

As shown in Figure 1, the inner chamber 11 of tank 10 is provided with bottom opening 12 and seals top 13, sealing top 13 is provided with an air vent 14 that is communicated with inner chamber 11, be provided with a water inlet 15 bottom tank 10 sidewalls, also be provided with in inner chamber 11 one with its isolation, common pressure chamber 16 that draining valve be used for to be installed, common pressure chamber 16 open tops 17 are located on the sealing top 13 of tank 10.

as Fig. 1～shown in Figure 4, control the sealing top 13 that valving 20 that air vent 14 opens or closes is fixed in tank 10, valving 20 comprises that one is fixed on the holder 21 that tank 10 seals on top 13, one with the fork 22 of draining valve control 30 interlock, that opens valving 20 when full row's button 33 that fork 22 1 ends are provided with a water supply and draining valve control 30 is pressed fork 22 presses end face 24, this end also is provided with partly arranging of a water supply and draining valve control 30 and draws and lifts fork 22 resetting of positive closing valving 20 when button 32 resets and argue for the sake of arguing 25, swing by bearing pin 23 in the middle of fork 22 bottoms and be connected on holder 21, be provided with a counterweight chamber 27 and one and the buckle closure 29 that fastens of counterweight chamber 27 in fork 22, be provided with a steel ball 28 of can be within it returning to roll along fork 22 two ends in counterweight chamber 27, fork 22 other ends are provided with the seal cover 26 in sealing ventilation hole 14, seal cover 26 on fork 22 is that a thin type rubber parts forms described pressure relief device, when tank 10 inner chambers 11 during greater than external pressure, rubber parts edge elasticity upwarps with air vent 14 and forms the gap, and the exhaust release is carried out to tank 10 inner chambers 11 in this gap.

[0038] as Fig. 1～shown in Figure 4, the draining valve control 30 that is linked with valving 20 comprises that also one has the button support 31 that is fixed in tank 10 inner chambers 11 sealing tops 13, the cover respectively of partly arrange button 32, entirely arranging button 33 has half row's button back-moving spring 321, entirely arrange button back-moving spring 331 is installed on button support 31, button support 31 belows are hinged with the swing arm 34 that an end can be connected with the draining valve valve handle activity, partly arrange button 32 and full row's button 33 and press with swing arm 34 and be linked; When partly arranging button 32 and pressing, full row's button 33 is motionless, full row's button 33 when pressing full row's button 33 drive and partly arrange button 32 and move together, full row's button 33 bottoms are fixed one and can be pressed down the depression bar 36 of pressing end face 24, depression bar 36 is positioned at presses end face 24 tops on the fork 22 of valving 20, partly arrange button 32 belows and be provided with a pull bar 35, pull bar 35 is provided with strip hanging hole 351, pull bar 35 tops are hinged on swing arm 34 and 25 ends that coordinate of arguing for the sake of arguing that reset, and resetting on the fork 22 of valving 20 argued for the sake of arguing and 25 pegged graft with strip hanging hole 351 and coordinate.

[0039] as depicted in figs. 1 and 2, the outer phase fit drain vessel 40 with it that also is provided with of tank 10; Drain vessel 40 bottom surfaces are provided with an installing hole 41 that drainage valve base can be installed, on drain vessel 40 sides, at least one and tank 40 sidewalls bottoms water inlets 15 communicate and fit through-flow mouthful 42; The two side of drain vessel 40 is provided with locating hole 43, one press strips 50 and inserts two locating holes 43, and press strip 50 1 end hooks block drain vessel 40, and the other end is connected and fixed by a buckle 51, and press strip 50 is used for the top and presses tank 10 and drain vessel 40 fits to fix.

[0040] as Fig. 1, Fig. 2 and shown in Figure 5, first valving 20 and draining valve control 30 are installed on the sealing top 13 of tank 10, drainage valve base 62 is fixed in the installing hole 41 of drain vessel 40 bottom surfaces fixing, make by draining valve valve body 61, drainage valve base 62, valve rod 63 and be connected to the draining valve 60 that the draining seal gasket 64 of valve rod 63 bottoms consists of and be fixed in drain vessel 40, then tank 10 is inserted in drain vessel 40 from the top down, the valve body 61 of draining valve 60 is inserted in the common pressure chamber 16 of being located on tank 10, the valve rod 63 of draining valve 60 is in common pressure chamber open top 17, tank 10 inner chamber 11 bottom openings 12 are positioned at drain vessel 20 bottom surfaces, fit with the water inlet 15 of tank 10 for through-flow mouthful 42 of drain vessel 40 sides and communicate, valve rod 63 tops of one end of the swing arm 34 of draining valve control 30 and draining valve 60 are movably hinged by connector, in the locating hole 43 of the two side of press strip 50 insertion drain vessels 40, press strip 50 1 end hooks block drain vessel 40, the other end is connected and fixed by a buckle 51, and press strip 50 top pressure tanks 10 are fixed with drain vessel 40 fits, complete assembling of the present utility model.

[0041] describe specific works principle of the present utility model below in detail and implement action.

[0042] as Fig. 5 and shown in Figure 9, the utility model is arranged in bathroom water tank 70, a water intaking valve 80 also is installed in bathroom water tank 70.

[0043] as Fig. 9, Fig. 4～shown in Figure 6, the utility model original state, the valve rod 63 drop-down swing arms 34 of gravity at draining valve 60, the draining seal gasket 64 of valve rod 63 bottoms seals drainage valve base 62, swing arm 34 other ends upwarp pull bar 35, make strip hanging hole 351 on pull bar 35 draw and lift resetting on fork 22 and argue for the sake of arguing 25, fork 22 ends that seal cover 26 is installed are pressed down, the steel ball 28 in fork 22 counterweight chambeies is positioned at the end near seal cover 26, seal cover 26 seals the air vent 14 of tank 10, be under the utility model original state, valving 40 cuts out air vent 14.water intaking valve 80 is opened water tank 70 water fillings, the water of water tank 70 enters in drain vessel 40 and tank 10 by through-flow mouth 42 and water inlet 15, the water level of water tank 70 rises, the water level of tank 10 inner chambers 11 and common pressure chamber 16 rises, the air pressure that overstocks in tank 10 inner chambers 11 increases, when the air pressure of tank 10 inner chambers 11 during greater than external pressure, the seal cover edge elasticity of rubber parts upwarps with air vent 14 and forms the gap, the exhaust release is carried out to tank 10 inner chambers 11 in this gap, water intaking valve 80 stops into water, water tank 70, tank 10 inner chambers 11 are consistent with the water level of common pressure chamber 16, at this moment, the water body within tank 10 inner chambers 11 is in by the atmospheric pressure sealed storage can't flow out state, and the water tank 70 outside tank 10 inner chambers 11 and the water of common pressure chamber 16 are under normal atmosphere.

When [0044] needing half displacement, as Fig. 9, Fig. 5 and shown in Figure 7, that presses draining valve control 30 partly arranges button 32, partly arrange 321 compressions of button back-moving spring, full row's button 33 is motionless, swing arm 34 1 ends drive pull bar 35 and descend, resetting on 351 pairs of forks 22 of the strip hanging hole on pull bar 35 argued for the sake of arguing and 25 stepped down, steel ball 28 in valving 20 forks 22 is in the end that seal cover 26 is installed, make seal cover 26 and air vent 14 positiver sealings, make water body in tank 10 inner chambers 11 by the atmospheric pressure sealed storage; Draw the valve rod 63 of draining valve 60 on swing arm 34 other ends on draining valve control 30, valve rod 63 is the delivery port pull-up of draining seal gasket 64 from drainage valve base 62, the delivery port from drainage valve base 62 under normal atmosphere environment and water body self gravitation of the water outside tank 10 inner chambers 11 is discharged, water body in tank 10 inner chambers 11 can't be discharged by the atmospheric pressure sealed storage, realizes half drain function of water tank 70.After half drainage works is completed, partly arrange button 32 and reset under the effect of partly arranging button back-moving spring 321, draining valve control 30 resets, and valving 20 resets, and makes the utility model return to original state.

when [0045] needing full displacement, as Fig. 9, Fig. 5 and shown in Figure 8, press full row's button 33 of draining valve control 30, make full row's button 33 and partly arrange button 32 and move together, full row's button back-moving spring 331, partly arrange button back-moving spring 321 compressed, partly arranging button 32 presses and makes the valve rod 63 that draws draining valve 60 in swing arm 34, valve rod 63 is the delivery port pull-up of draining seal gasket 64 from drainage valve base 62, simultaneously the depression bar 36 of full row's button 33 bottoms press down valving 20 fork 22 press end face 24, an end that makes fork 22 that seal cover 26 is installed upwarps, fork 22 counterweight chamber 27 interior steel balls 28 roll to an end of pressing end face 24, seal cover 26 separates with air vent 14, valving 20 is opened air vent 14 makes tank 10 inner chambers 11 communicate with the ambient atmosphere normal pressure, remove the sealing of tank 10 inner chambers 11, make and press tank inner chamber 11 inside and outside water tank 70 water bodys all to be under atmospheric pressure environment, under the effect of water body deadweight, the inside and outside water of tank 10 inner chambers 11 is discharged by the delivery port of drainage valve base 62 simultaneously, realize the full drain function of water tank 70, after full drainage works is completed, unclamp full row's button 33, exert oneself to reset in the effect of full row's button back-moving spring 331, drain shut valve, drive swing arm 34 and reset, swing arm 34 resets to drive to draw on pull bar 35 and resets, and pull bar 35 draws and lifts resetting of fork positive closing valving and argues for the sake of arguing, drawing and lifting resets argues for the sake of arguing the fork end that seal cover is installed is pressed down, and seal cover seals air vent, and with the sealing of tank inner cavity top, draining valve control 30 and valving 20 reset, and make the utility model return to original state.

[0046] embodiment two (tank top set up a steam vent).

[0047] as shown in figure 10 Double water discharge switching mechanism for water tank, its difference with embodiment one is: tank 10 sealing top 13 is provided with a steam vent 18 and is communicated with its inner chamber 11, connect an exhaust check valve 90 on steam vent 18, the rubber parts that seal cover 46 on the fork 42 of valving 40 can not upwarp for edge not, air vent 14 is only as the use of the air inlet of inner chamber 11, when tank 10 inner chamber 11 air pressure during greater than the outside atmosphere normal pressure, by exhaust check valve 90 tank 10 inner chambers 11 are carried out the exhaust release, other structure of the present embodiment, operating principle and enforcement action are with embodiment one.

[0048] embodiment three (valving is made as normally open).　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

[0049] as Figure 11～Double water discharge switching mechanism for water tank shown in Figure 12, the difference of itself and embodiment one is: valving 20 in original state for often opening, press the end that seal cover is installed that end face 24 is located at fork 22, partly arranging button 32 bottoms fixes one and can press down the depression bar 36 of pressing end face 24, depression bar 36 is positioned at presses end face 24 tops on the fork 22 of valving 20, full row's button 33 belows are provided with a pull bar 35, pull bar 35 is provided with the strip hanging hole, pull bar 35 tops are hinged on swing arm 34 and 25 ends that coordinate of arguing for the sake of arguing that reset, resetting on the fork 22 of valving 20 argued for the sake of arguing and 25 pegged graft with the strip hanging hole and coordinate.

[0050] as Figure 11～shown in Figure 12, the utility model original state, in the drop-down swing arm 34 of the valve rod gravity of draining valve, the draining seal gasket of valve rod bottom seals drainage valve base, swing arm 34 other ends upwarp pull bar 35, make strip hanging hole on pull bar 35 draw and lift resetting on fork 22 and argue for the sake of arguing 25, make on fork 22 ends that seal cover 26 is installed and lift, the steel ball 28 in fork 22 counterweight chambeies is positioned at the end away from seal cover 26, and the air vent 14 of tank 10 is opened; Be under the utility model original state, air vent 14 is opened, and tank 10 inner chambers 11 communicate with atmosphere, are in atmospheric pressure state.Water intaking valve is opened the water tank water filling, the water of water tank enters in drain vessel 40 and tank 10 by through-flow mouth and water inlet, and the water level of water tank rises, and the inside and outside water level of tank 10 synchronously rises, water intaking valve stops into water, and inside and outside water tank, tank, water level is consistent.

When [0051] needing full displacement, press full row's button 33 of draining valve control 30, partly arrange button 32 motionless, swing arm 34 1 ends drive pull bar 35 and descend, strip hanging hole on pull bar 35 is argued for the sake of arguing to resetting on fork 22 and 25 is stepped down, steel ball 28 in valving 20 forks 22 is in the end away from seal cover 26, keeps air vent 14 to open, and tank 10 inner chambers 11 are communicated with atmosphere; Draw the valve rod of draining valve on swing arm 34 other ends on draining valve control 30, valve rod is the delivery port pull-up of draining seal gasket from drainage valve base, the inside and outside water delivery port from drainage valve base under normal atmosphere environment and water body self gravitation of tank 10 is discharged, and realizes the full drain function of water tank.

When [0052] needing half displacement, that presses draining valve control 30 partly arranges button 32, and half row's button 32 and full row's button 33 are moved together; Partly arranging the first half section stroke of button pressed, draining valve keeps cutting out, the depression bar 36 of partly arranging button 32 bottoms press down valving 20 fork 22 press end face 24, an end that makes fork 22 that seal cover 26 is installed presses down, fork 22 counterweight chamber 27 interior steel balls 28 roll to the end that seal cover 26 is housed, seal cover 26 is closed air vent 14, makes tank 10 inner chambers 11 and the isolation of ambient atmosphere normal pressure, makes tank 10 inner chambers 11 keep sealing; Partly arranging the second half section stroke of button pressed, after air vent 14 is closed, entirely arrange button 33 and press and make the valve rod that draws draining valve in swing arm 34, the opening water discharge valve, water body in tank 10 inner chambers 11 can't be discharged by the atmospheric pressure sealed storage, realizes half drain function of water tank 70.After half drainage works is completed, unclamp half row's button 32, reset under the effect of partly arranging the button back-moving spring, draining valve 60 cuts out, drive swing arm 34 and reset, swing arm 34 resets to drive to draw on pull bar 35 and resets, and pull bar 35 draws and lifts resetting of fork enforced opening valving and argues for the sake of arguing; Drawing and lifting resets argues for the sake of arguing the fork end that seal cover is installed is lifted, and air vent is opened, and the tank inner cavity top is communicated with atmosphere, and draining valve control 30 and valving 20 reset, and make the utility model return to original state.

[0053] above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, those skilled in the art, in the situation that do not break away from spirit and scope of the present utility model, can also make various conversion or variation, for example, the draining valve control can also adopt only establishes a button on the button support, entirely arranges button and partly arrange button to be located on tank lid and with valving and to link; Perhaps only establish one and half row's buttons on button support and water tank, valve control mechanism is controlled as full row's button by an independent switch; Etc..Therefore, all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.

Claims (14)

1. Double water discharge switching mechanism for water tank is characterized in that it comprises:

The tank of one intracavity bottom opening, it seals the air vent that the top is provided with a communication with cavity,

One controls the valving that air vent opens or closes,

One includes the draining valve control of half row's button and full row's button,

Full row's button and valving are linked and open air vent, partly arrange button and valving and are linked and close air vent.

2. Double water discharge switching mechanism for water tank as claimed in claim 1 is characterized in that: the pressure relief device of exhaust when also being provided with on described tank section's pressure is greater than atmospheric pressure within it.

3. Double water discharge switching mechanism for water tank as claimed in claim 2, it is characterized in that: described pressure relief device is located on valving, and valving is controlled pressure relief device and is coordinated the exhaust of controlling air vent and air-breathing with air vent.

4. Double water discharge switching mechanism for water tank as claimed in claim 1, it is characterized in that: described valving comprises a holder that is fixed on the tank top, one and the fork of draining valve control interlock, the middle swing by bearing pin in fork bottom is connected on holder, and fork one end is provided with the seal cover in sealing ventilation hole.

5. Double water discharge switching mechanism for water tank as described in claim 2 or 4, is characterized in that: the fork of described valving OnSeal cover be that a thin type rubber parts forms described pressure relief device, when the tank inner chamber during greater than external pressure, rubber parts edge elasticity upwarps and air vent forms the gap, the exhaust release is carried out to the tank inner chamber in this gap.

6. Double water discharge switching mechanism for water tank as claimed in claim 4 is characterized in that: the end face of pressing of opening valving when full row's button that the other end of the fork of described valving is provided with a water supply and draining valve control is pressed fork.

7. Double water discharge switching mechanism for water tank as claimed in claim 4 is characterized in that: the other end of the fork of described valving is provided with partly arranging of a water supply and draining valve control and draws and lifts resetting of fork positive closing valving when button resets and argue for the sake of arguing.

8. Double water discharge switching mechanism for water tank as claimed in claim 4 is characterized in that: be provided with a counterweight chamber and one and the buckle closure that fastens of counterweight chamber in the fork of described valving, be provided with a steel ball of can be within it returning to roll along fork two ends in the counterweight chamber.

9. Double water discharge switching mechanism for water tank as claimed in claim 7, it is characterized in that: described draining valve control comprises that also one has the button support that is fixed in the tank top, the cover respectively of partly arranging button and full row's button has spring fitting on the button support, button support below is hinged with the swing arm that an end is connected with the draining valve valve handle activity, partly arranges button and entirely arranges button and swing arm and press and be linked; When partly arranging button and pressing, full row's button is motionless, and when entirely arranging button and pressing, full row's button drives and partly arranges button and move together.

10. Double water discharge switching mechanism for water tank as described in claim 1 or 6 is characterized in that: described full row's button bottom is fixed one and can be pressed down the depression bar of pressing end face, and depression bar is positioned at presses the end face top on the fork of valving.

11. Double water discharge switching mechanism for water tank as claimed in claim 9, it is characterized in that: the button below of partly arranging of described draining valve control is provided with a pull bar, pull bar is provided with the strip hanging hole, the pull bar top is hinged on the other end of swing arm, and resetting on the fork of valving argued for the sake of arguing to peg graft with the strip hanging hole and coordinated.

12. as claim 1,2 or 3 described Double water discharge switching mechanism for water tanks, it is characterized in that: be provided with in the middle of described tank one with its inner chamber isolation, common pressure chamber that be used for installing draining valve, the tank top is located in the common pressure chamber open top; Described tank also is provided with outward and one phase fit drain vessel; The drain vessel bottom surface is provided with an installing hole that drainage valve base can be installed, and tank sidewall bottom is provided with a water inlet at least, and drain vessel is provided with a through-flow mouth that communicates and fit with water inlet on the side at least.

13. Double water discharge switching mechanism for water tank as claimed in claim 12, it is characterized in that: the two side of described drain vessel is provided with locating hole, one press strip inserts two locating holes, press strip one end hook blocks drain vessel, the other end is connected and fixed by a buckle, and press strip top pressure tank and drain vessel fit are fixed.

14. Double water discharge switching mechanism for water tank as claimed in claim 2 is characterized in that: the top of described tank also is provided with a steam vent that communicates with its inner chamber, and described pressure relief device is an exhaust check valve, and exhaust check valve is connected with steam vent.

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