CN202809810U - Toilet stool gas pumping system - Google Patents

Abstract

A toilet stool gas pumping system comprises a water tank (23), a bed pan, and a blow-off pipeline (27). The blow-off pipeline (27) is provided with an upper trap (28), a lower trap (29) and a gas-storage drain outlet (30) between the upper trap (28) and the lower trap (29). A water discharging valve (32) is arranged in the water tank (23), an overflow pipe (33) is arranged on the water discharging valve (32), a water inlet valve with a gas pumping function, a gas guide pipe (22), and a water supplement flexible pipe (15) are mounted in the water tank (23), and the water inlet valve with the gas pumping function comprises a water inlet main body (13), a gas pumping tank (1), a gas pumping tank cover (9), a float bowl (16), a one-way gas discharging valve cover (19), a one-way gas discharging valve plate (20), a water sealing lever, a water sealing piece, a water inlet and a water outlet.

Description

The closet extract system

Technical field

The utility model relates to a kind of closet extract system, relates in particular to a kind of up and down closet extract system of trap that has.

Background technology

Water intaking valve in the existing common tank for excrement pan, all only has a function of intaking in the water tank, existing common closet all only has water seal of a trap, surpasses in the situation of 5cm at the bulb diameter of crossing of blow-off line, is difficult to make closet still can rinse well when water supply volume is 3 liters.

Surpass the large problem of water supply volume in the situation of 5cm in order to solve the above-mentioned this bulb diameter of crossing at blow-off line, proposed in Chinese patent 200620147411.4 claims 1, between the trap " pressurized air pipeline " being arranged up and down, has a kind of water closet of " compression system " in the water tank;

Proposed in Chinese patent 200880020357.9 claims 1, " pressurized air source (42); it is bonded to described blowdown channel to form the positive air pressure that is higher than atmospheric pressure in described blowdown path before each flushing " arranged, with " described container upper chamber partly be bonded to described blowdown path with to described blowdown path pressurised air ", and a kind of toilet of " wherein said container chamber has the upper end (100) that is in the same with the full up water level of described water tank (52) at least high the second water level place ";

Claims, manual and accompanying drawing in conjunction with above-mentioned two parts of patents, its described " pressurized air pipeline " and " blowdown path " is the same position in the blowdown channel in fact, be the title difference, " pressurized air pipeline " before each flushing in above-mentioned two parts of patents has the positive air pressure that is higher than atmospheric pressure with " blowdown path ";

" compression system " in its described water tank also is much the same similar device for pressurization with " pressurized air source (42) " in fact, is mainly used in to " pressurized air pipeline " and " blowdown path " pressurization;

It is described " wherein said container chamber has the upper end (100) that is in the same with the full up water level of described water tank (52) at least high the second water level place ", and the upper end that container chamber is described is not the protection domain of Chinese patent 200880020357.9 when being lower than the full up water level of water tank.

From current water closet water-saving technology, above-mentioned binomial utility model is the most advanced practical, domestic have many large-scale specialized factories that this is studied, also again applied for patent, it is 201120004086.7 and 201120131690.6 patent such as the patent No., 201120004086.7 is all the same with 200620147411.4 and 200880020357.9 patents with the essence of 201120131690.6 patents in fact, only changed a kind of written form, do not have new utility model point at all.

Although 200620147411.4 and 200880020357.9 patents are current the most advanced practical from water saving and the developing result of water closet, but also there is the slight defective of part, install cumbersome such as accessory, volume is excessive, cause the water tank volume also excessive, affect attractive in appearance, in addition, although having solved a small amount of water such as urine by the container volume that strengthens pressurized air source (42) in 200880020357.9 patents adds when making cistern water-discharging in the bedpan and don't by the draining button, the problem that water in upper trap and the water tank is siphoned off, but when the water of volume is slightly directly poured in the bedpan and don't is made cistern water-discharging by the draining button, water in upper trap and the water tank also can be siphoned off gradually, cause water intaking valve to be opened, water tank is unawares always water inlet on the one hand, water in the water tank is another is on the other hand directly siphoned off, and this state is difficult to find as layman's domestic consumer, thereby wastes a large amount of water.

The utility model content

The purpose of this utility model is to provide a kind of closet extract system, the bulb diameter of crossing at blow-off line surpasses in the situation of 5cm, need not still can economize on water to depositing gas blowdown channel (" pressurized air pipeline " or " blowdown path ") pressurization, and the peak level in the water tank is higher than the upper surface of pumping chamber (" container chamber " of " pressurized air source "), when a large amount of water was directly poured in the bedpan and don't made cistern water-discharging by the draining button, the water in upper trap and the water tank can not siphoned off.

To achieve these goals, the closet extract system that the utility model provides, water tank (23) is arranged, bedpan, blow-off line (27), upper trap (28) is arranged on the described blow-off line (27), lower trap (29) and deposit gas blowdown channel (30) between trap (28) and the described lower trap (29) on described, draining valve (32) is housed in the water tank (23), overflow pipe (33) is arranged on the described draining valve (32), it is characterized in that: in water tank (23), the water intaking valve with air extracting function is installed, wireway (22), refill hose (15), described water intaking valve with air extracting function comprises, water inlet main body (13), the tank (1) of bleeding, the cover (9) of bleeding, floating drum (16), one-way exhaust valve gap (19), one-way exhaust valve block (20), the water shutoff lever, water sealing slice, water inlet, delivery port;

Filling pipe (14) is arranged on the described water inlet main body (13), pumping chamber (8) is arranged on the described tank of bleeding (1), exhaust tube (2), floating drum chamber (5), described pumping chamber (8) lower openings, one-way exhaust valve pocket (3) is arranged on the described exhaust tube (2), steam vent (4) is arranged in the described one-way exhaust valve pocket (3), described steam vent (4) is communicated with the internal upper part of described one-way exhaust valve pocket (3) and described exhaust tube (2), outfall (10) is arranged on the described cover of bleeding (9), and described depositing has extract opening (31) on the gas blowdown channel (30);

Described floating drum (16) is installed in the described floating drum chamber (5), the described tank of bleeding (1) is installed on the described water inlet main body (13), and the lower openings of described pumping chamber (8) down, the described cover of bleeding (9) covers the opening part in described pumping chamber (8) bottom, described one-way exhaust valve block (20) is installed on the described steam vent (4), and described one-way exhaust valve gap (19) covers on described one-way exhaust valve pocket (3);

One end of described refill hose (15) is enclosed within on the described filling pipe (14), the other end stretches in the described overflow pipe (33), the upper end (c) of described wireway (22) is in described exhaust tube (2), and be higher than the peak level (b) in the described water tank (23), the lower end is in described extract opening (31), and described wireway (22) is communicated with described exhaust tube (2) and described extract opening (31);

Peak level (b) in the described water tank (23) is higher than the upper surface (a) of described pumping chamber (8), and the inner upper surface (d) of described exhaust tube (2) is higher than the peak level (b) in the described water tank (23);

When water tank (23) is intake, air in the described pumping chamber (8) is urged out by described wireway (22), when water tank (23) draining, the described air of depositing in the gas blowdown channel (30) is pumped in the described pumping chamber (8) by described wireway (22).

As the improvement of closet extract system of the present utility model, its further feature is: the volume of described pumping chamber (8) is no less than the described volume of depositing gas blowdown channel (30).

The beneficial effects of the utility model are: simple in structure, and manufacturing, easy for installation, volume is little, be applicable to big or small water tank, water saving is that the bulb diameter of crossing of 3 liters of blow-off lines surpasses in the situation of 5cm in water supply volume, still can rinse well, and the water in the water tank can not siphoned off.

Description of drawings

Fig. 1 (a) is the tank front left view of bleeding of closet extract system of the present utility model.

Fig. 1 (b) is the tank front right view of bleeding of closet extract system of the present utility model.

Fig. 1 (c) is the tank reverse side left view of bleeding of closet extract system of the present utility model.

Fig. 1 (d) is the tank reverse side right view of bleeding of closet extract system of the present utility model.

Fig. 2 (a) is the cover reverse side front view of bleeding of closet extract system of the present utility model.

Fig. 2 (b) is the cover lateral view of bleeding of closet extract system of the present utility model.

Fig. 3 is the water inlet main body schematic diagram of closet extract system of the present utility model.

Fig. 4 is the refill hose schematic diagram of closet extract system of the present utility model.

Fig. 5 (a) is the floating drum lateral view of closet extract system of the present utility model.

Fig. 5 (b) is the floating drum front view of closet extract system of the present utility model.

Fig. 6 is the water inlet main gasket body schematic diagram of closet extract system of the present utility model.

Fig. 7 is the single slope drainage valve schematic diagram of closet extract system of the present utility model.

Fig. 8 (a) is the one-way exhaust valve gap front view of closet extract system of the present utility model.

Fig. 8 (b) is the one-way exhaust valve gap lateral view of closet extract system of the present utility model.

Fig. 9 is the one-way exhaust valve block schematic diagram of closet extract system of the present utility model.

Figure 10 is the wireway schematic diagram of closet extract system of the present utility model.

Figure 11 is the water tank schematic diagram of closet extract system of the present utility model.

Figure 12 (a) is the front schematic view of the water intaking valve with air extracting function of closet extract system of the present utility model.

Figure 12 (b) is the schematic rear view of the water intaking valve with air extracting function of closet extract system of the present utility model.

Figure 13 (a) is the front schematic view of relative position of the water intaking valve with air extracting function, draining valve, the wireway of closet extract system of the present utility model.

Figure 13 (b) is the schematic rear view of relative position of the water intaking valve with air extracting function, draining valve, the wireway of closet extract system of the present utility model.

Figure 14 is the top view of closet extract system of the present utility model.

Figure 15 (a) is the A--A generalized section among Figure 14 when the water tank full water of closet extract system of the present utility model.

Figure 15 (b) is the B--B generalized section among Figure 14 when the water tank full water of closet extract system of the present utility model.

Figure 16 (a) is the A--A generalized section among Figure 14 when cistern water-discharging of closet extract system of the present utility model.

Figure 16 (b) is the B--B generalized section among Figure 14 when cistern water-discharging of closet extract system of the present utility model.

Figure 17 is the A--A generalized section among Figure 14 when cistern water-discharging finishes of closet extract system of the present utility model.

Figure 18 (a) is the A--A generalized section among Figure 14 when water tank water intake of closet extract system of the present utility model.

Figure 18 (b) is the B--B generalized section among Figure 14 when water tank water intake of closet extract system of the present utility model.

Figure 19 is the C--C generalized section among Figure 14 when the water tank full water of closet extract system of the present utility model.

Figure 20 is the C--C generalized section in cistern water-discharging initial stage Figure 14 of closet extract system of the present utility model.

Figure 21 is the C--C generalized section in cistern water-discharging Figure 14 in mid-term of closet extract system of the present utility model.

Figure 22 is the C--C generalized section in cistern water-discharging later stage Figure 14 of closet extract system of the present utility model.

Figure 23 is the C--C generalized section among initial stage Figure 14 after cistern water-discharging finishes of closet extract system of the present utility model.

Figure 24 is the C--C generalized section of the mid-term after cistern water-discharging finishes among Figure 14 of closet extract system of the present utility model.

Figure 25 is the C--C generalized section among later stage Figure 14 after cistern water-discharging finishes of closet extract system of the present utility model.

Figure 26 is the C--C generalized section in water tank water intake initial stage Figure 14 of closet extract system of the present utility model.

Figure 27 is the C--C generalized section in water tank water intake later stage Figure 14 of closet extract system of the present utility model.

The specific embodiment

Consult Fig. 1 (a), Fig. 1 (b), Fig. 1 (c), Fig. 1 (d), at the tank 1 of bleeding pumping chamber 8, exhaust tube 2, floating drum chamber 5, water inlet main hole 7 are arranged;

One-way exhaust valve pocket 3 is arranged on the exhaust tube 2, steam vent 4 is arranged in the one-way exhaust valve pocket 3, single slope drainage valve opening 6 is arranged at 5 bottoms, floating drum chamber;

Wherein, pumping chamber 8 lower openings, steam vent 4 is communicated with the internal upper part of one-way exhaust valve pocket 3 and exhaust tube 2;

Consult Fig. 2 (a), Fig. 2 (b), at the cover 9 of bleeding outfall 10, water inlet main hole 11, single slope drainage valve opening 12 are arranged;

Consult Fig. 3, on the water inlet main body 13 filling pipe 14 is arranged, wherein, when 13 water inlet of water inlet main body, there are flowing out in the filling pipe 14;

Consult Fig. 4, refill hose 15 borings;

Consult Fig. 9, one-way exhaust spool 21 is arranged on the one-way exhaust valve block 20, wherein, one-way exhaust spool 21 is soft colloid;

Consult Figure 10, wireway 22 borings;

Consult Figure 11, at water tank 23 air guide pore 24, draining valve opening 25, inlet opening 26 are arranged;

Consult Figure 19, trap 28, lower trap 29 and deposit gas blowdown channel 30 between upper trap 28 and lower trap 28 on blow-off line 27 has has extract opening 31 depositing gas blowdown channel 30;

Wherein, the volume of pumping chamber 8 is no less than the volume of depositing gas blowdown channel 30.

Consult above-mentioned each figure and Fig. 5 (a), Fig. 5 (b), Fig. 6, Fig. 7, Fig. 8 (a), Fig. 8 (b), Figure 12 (a), Figure 12 (b), at first one-way exhaust valve block 20 is installed on the steam vent 4 in the one-way exhaust valve pocket 3, again one-way exhaust valve gap 19 is covered on one-way exhaust valve pocket 3, again floating drum 16 is installed in the floating drum chamber 5, single slope drainage valve 18 is installed in the outer bottom in floating drum chamber 5, water inlet main hole 7 on the tank 1 of bleeding is enclosed within on the water main body 13 and fixing, the lower openings that makes pumping chamber 8 down exhaust tube 2 and is connected floating drum 16 up with the water shutoff lever;

Wherein, the one-way exhaust spool 21 that is installed on the one-way exhaust valve block 20 in the one-way exhaust valve pocket 3 can upwards be out of shape, large quantity of air can flow to extraneous from pumping chamber 8, but when upwards being out of shape, one-way exhaust spool 21 can not seal steam vent 4 fully, namely can not close one-way exhaust valve fully yet, a small amount of gas leakage is arranged, and a small amount of air can flow to from the external world pumping chamber 8;

Again the cover 9 of bleeding is covered opening part in pumping chamber 8 bottoms, make into water main hole 11 and be enclosed within on the water main body 13 and fixing, and make single slope drainage valve opening 12 overlap single slope drainage valve 18, again water inlet main gasket body 19 is enclosed within into the bottom of water main body 13 and also fixes, so just be assembled into the water intaking valve with air extracting function;

Consult above-mentioned each figure and Figure 11, Figure 12 (a), Figure 12 (b), Figure 13 (a), Figure 13 (b), Figure 14, Figure 19,

The water intaking valve with air extracting function in the utility model is installed on the inlet opening 26 in the water tank 23, draining valve 32 is installed on the draining valve opening 25 in the water tank 23, one end of refill hose 15 is enclosed within on the filling pipe 14, the other end stretches in the overflow pipe 33 on the draining valve 32, one end of wireway 22 is stretched into after outfall 10 stretches into pumping chamber 8 exhaust tube 2 always, and the other end tightly inserts in the extract opening 31 of depositing on the gas blowdown channel 30 after tightly passing air guide pore 24 on the water tank 23.

The water intaking valve with air extracting function in the utility model is to reequip on the basis of existing common water intaking valve, so existing common water intaking valve is that water shutoff lever, water sealing slice, water inlet, delivery port all also exist to water tank water intake and automatic closing function, this is existing known technology, no longer goes to live in the household of one's in-laws on getting married in the utility model and chats.

Lower mask body is introduced the course of work of closet extract system of the present utility model

All anhydrous in water tank and closet at first, it is all anhydrous with lower trap 29 namely to go up trap 28, when external water source flows to water inlet main body 13, water tank 23 interior beginnings are intake, when water inlet to certain the time, floating drum 16 come-ups, water inlet main body 13 stops into water, start draining valve 32 and make water tank 23 drainings, upper trap 28 all begins water with lower trap 29;

Consult Figure 15 (a), Figure 15 (b), Figure 19, water inlet main body 13 is restarted into water, again filled water in the water tank 23, peak level b in the water tank 23 was higher than the upper surface a of pumping chamber 8 at that time, the upper surface d of exhaust tube 2 inside is higher than the peak level b in the water tank 23, the upper end c of wireway 22 is higher than the peak level b in the water tank 23, there is not air in the pumping chamber 8, be full of air in exhaust tube 2 and the wireway 22, upper trap 28 has water with lower trap 29, and the air of depositing in the gas blowdown channel 30 firmly is hedged off from the outer world by the water seal in upper trap 28 and the lower trap 29;

Consult Figure 16 (a), Figure 16 (b), Figure 20, Figure 21, Figure 22, when opening water discharge valve 32, water tank 23 interior water level fast-descendings, the buoyancy that acts on the floating drum 16 loses, floating drum 16 moves down immediately, water inlet main body 13 begins water inlet immediately, there are flowing out in the filling pipe 14, current flow to overflow pipe 33 rear inflow closets by refill hose 15, simultaneously, the air of depositing in the gas blowdown channel 30 passes through wireway 22, exhaust tube 2 is pumped in the pumping chamber 8 (although one-way exhaust spool 21 did not seal steam vent 4 fully at that time, a small amount of gas leakage is arranged, and a small amount of air can flow to pumping chamber 8 from the external world by steam vent 4, but since air leakage seldom, so can not affect the effect of bleeding), shown in Figure 16 (b); Water in upper trap 28 and the lower trap 29 is at first also pumped to be deposited gas blowdown channel 30 and flows, as shown in figure 20; After air in depositing gas blowdown channel 30 is exhausted, the water and the water junction posterior restoration blow-off line 27 the lower trap 29 that get off from upper trap 28 almost all are filled full, thereby go into siphon fast, and finally the whole siphons of dirt are gone out closet, as shown in figure 21; After water major part in the upper trap 28 is gone out by siphon, have air to enter blow-off line 27 from upper trap 28, fall after rise trap 28 bottoms thereby the water that small part is not gone out by siphon makes progress, shown in arrow among Figure 22 35;

Consult Figure 17, Figure 23, Figure 24, Figure 25, when draining valve 32 and close water tank 23 drainings when finishing, be full of air in the pumping chamber 8, as shown in figure 17, water and the dirt deposited in gas blowdown channel 30 and the lower trap 29 continue by siphon, such as Figure 23, shown in Figure 24, and are finally gone out blow-off line 27 by siphon, there is at last part water to fall after rise to trap 29 bottoms, shown in arrow among Figure 25 36;

Consult Figure 26, time trap 29 has been lived in the water seal of falling;

Consult Figure 18 (a), Figure 18 (b), Figure 26, Figure 27, again again water inlet in the water tank 23, current flow to overflow pipe 33 rear inflow closets from filling pipe 14 by refill hose 15, trap 28 is sealed, so far, the air of depositing in the gas blowdown channel 30 firmly is hedged off from the outer world by the water seal in upper trap 28 and the lower trap 29, as shown in figure 26; Along with the water level in water tank 23 and the pumping chamber 8 rises gradually, thereby upwards being out of shape one-way exhaust spool 21 by exhaust tube 2, steam vent 4, the air in the pumping chamber 8 make air flow extraneous, shown in arrow 34 among Figure 18 (b); Along with current flow to overflow pipe 33 rear continuous inflow closets from filling pipe 14 by refill hose 15, water level in the upper trap 28 also rises gradually, thereby rely in the upper trap 28 air of depositing 30 ones of gas blowdown channels by deposit gas blowdown channel 30, wireway 22, steam vent 4 also make one-way exhaust spool 21 upwards distortion make air flow extraneous, shown in arrow 34 among Figure 27, Figure 18 (b);

Again consult Figure 15 (a), Figure 15 (b), Figure 19, again after a period of time, floating drum 16 come-ups, water inlet main body 13 is closed, water level in the water tank 23 arrives peak level b, upper trap 28 also arrives peak level, peak level b in the water tank 23 is higher than the upper surface a of pumping chamber 8, the upper surface d of exhaust tube 2 inside is higher than the peak level b in the water tank 23, the upper end c of wireway 22 is higher than the peak level b in the water tank 23, there is not air in the pumping chamber 8, be full of air in exhaust tube 2 and the wireway 22, the air of depositing in the gas blowdown channel 30 firmly is hedged off from the outer world by the water seal in upper trap 28 and the lower trap 29, has entered the circulation of next round, can carry out flushing next time.

The structure of tank 1, pumping chamber 8, bleed cover 9 and one-way exhaust valve, the position of placement of in fact bleeding can be carried out various distortion, as long as the principle of utility model does not change, all various distortion all belong to protection domain of the present utility model.

The utility model cardinal principle is, in the cistern water-discharging process, utilize the decline of pumping chamber 8 interior water levels that the air of depositing in the gas blowdown channel 30 is extracted out, make the water and the full whole piece blow-off line 27 of the rear Fast Filling of the junction of the water the lower trap 29 that get off from upper trap 28, thereby go into fast siphon, and finally the whole siphons of dirt are gone out closet, rather than the rising that resembles in 200620147411.4 and 200880020357.9 patents water level in " the container upper chamber " of utilizing " compression system " or " pressurized air source (42) " in the water tank water intake process makes generation in " pressurized air pipeline " or " blowdown path " be higher than the positive air pressure of atmospheric pressure;

In the utility model, deposit the positive air pressure that is not higher than all the time atmospheric pressure in gas blowdown channel 30 and the pumping chamber 8, the every flushing of air of depositing in gas blowdown channel 30 and the pumping chamber 8 is once all replaced once with outside air, and in 200620147411.4 and 200880020357.9 patents, " pressurized air pipeline " or " blowdown path " reaches " container upper chamber " the interior air of " compression system " or " pressurized air source (42) " and do not replace with outside air, shifts between " pressurized air pipeline " and " compression system " or " blowdown path " and " pressurized air source (42) " " container upper chamber ";

In 200620147411.4 and 200880020357.9 patents, because " compression system ", " the container upper chamber " of " pressurized air pipeline " or " pressurized air source (42) ", " blowdown path " and outside air sealing, and the positive air pressure that is higher than atmospheric pressure is arranged, so when the water of volume is slightly directly poured in the bedpan and don't is made cistern water-discharging by the draining button, because air is squeezed out " pressurized air pipeline " or " blowdown path ", pressure in " the container upper chamber " of " compression system " or " pressurized air source (42) " can reduce, water level is raise, when water level surpasses " conduit " upper end, water in the water tank is siphoned off by " conduit " gradually, water intaking valve is opened, water tank is unawares always water inlet on the one hand, water in the water tank is another is on the other hand directly siphoned off, and this state is difficult to find as layman's domestic consumer, thereby wastes a large amount of water;

In the utility model, be provided with the one-way exhaust valve that is communicated with pumping chamber 8 upper surfaces, because one-way exhaust valve is closed fully closing Shi Buhui, a small amount of gas leakage is arranged, thereby when a large amount of water is directly poured in the bedpan and don't is made cistern water-discharging by the draining button, although also can being squeezed out, air deposits gas blowdown channel 30, but outside air can add to by the one-way exhaust valve of gas leakage and deposit in the gas blowdown channel 30, pressure decreased in the pumping chamber 8 is temporary transient, though can slightly having, water level raises but at once recovery, water level in the pumping chamber 8 can not surpass the upper end of wireway 22, just can not cause the water in the water tank to be siphoned off yet.

In 200880020357.9 claims 1, proposed, " wherein said container chamber has the upper end (100) that is in the same with the full up water level of described water tank (52) at least high the second water level place " arranged, and in the utility model, the peak level b in the water tank 23 is higher than the upper surface a of described pumping chamber 8;

Above-mentioned these all are the differences of the utility model and 200620147411.4 and 200880020357.9 patents.

Claims (2)

1. closet extract system, water tank (23) is arranged, bedpan, blow-off line (27), upper trap (28) is arranged on the described blow-off line (27), lower trap (29) and deposit gas blowdown channel (30) between trap (28) and the described lower trap (29) on described, draining valve (32) is housed in the water tank (23), overflow pipe (33) is arranged on the described draining valve (32), it is characterized in that: in water tank (23), the water intaking valve with air extracting function is installed, wireway (22), refill hose (15), described water intaking valve with air extracting function comprises, water inlet main body (13), the tank (1) of bleeding, the cover (9) of bleeding, floating drum (16), one-way exhaust valve gap (19), one-way exhaust valve block (20), the water shutoff lever, water sealing slice, water inlet, delivery port;

Filling pipe (14) is arranged on the described water inlet main body (13), pumping chamber (8) is arranged on the described tank of bleeding (1), exhaust tube (2), floating drum chamber (5), described pumping chamber (8) lower openings, one-way exhaust valve pocket (3) is arranged on the described exhaust tube (2), steam vent (4) is arranged in the described one-way exhaust valve pocket (3), described steam vent (4) is communicated with the internal upper part of described one-way exhaust valve pocket (3) and described exhaust tube (2), outfall (10) is arranged on the described cover of bleeding (9), and described depositing has extract opening (31) on the gas blowdown channel (30);

Described floating drum (16) is installed in the described floating drum chamber (5), the described tank of bleeding (1) is installed on the described water inlet main body (13), and the lower openings of described pumping chamber (8) down, the described cover of bleeding (9) covers the opening part in described pumping chamber (8) bottom, described one-way exhaust valve block (20) is installed on the described steam vent (4), and described one-way exhaust valve gap (19) covers on described one-way exhaust valve pocket (3);

One end of described refill hose (15) is enclosed within on the described filling pipe (14), the other end stretches in the described overflow pipe (33), the upper end (c) of described wireway (22) is in described exhaust tube (2), and be higher than the peak level (b) in the described water tank (23), the lower end is in described extract opening (31), and described wireway (22) is communicated with described exhaust tube (2) and described extract opening (31);

Peak level (b) in the described water tank (23) is higher than the upper surface (a) of described pumping chamber (8), and the inner upper surface (d) of described exhaust tube (2) is higher than the peak level (b) in the described water tank (23);

When water tank (23) is intake, air in the described pumping chamber (8) is urged out by described wireway (22), when water tank (23) draining, the described air of depositing in the gas blowdown channel (30) is pumped in the described pumping chamber (8) by described wireway (22).

2. closet extract system as claimed in claim 1, it is characterized in that: the volume of described pumping chamber (8) is no less than the described volume of depositing gas blowdown channel (30).

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