CN1327500A - Front flushing toilet - Google Patents

Abstract

The present invention relates to a front-flushing toilet. Said frout flushing toilet comprises a bowl, a flow passage provided along the upper edge of the bowl, an outlet located in the lower part of the bowl s rear end, a pat board extends outward the upper edge of then bowl, at least one foot-control device mounting hole located on the plat board, a nozzle mounting hole located on the head of the bowl. Said flow passage is suction passage. there are some suction holes on the suction passage. Said suction passage is connected to a suction mouth. A nozzle is provided on the trap. A direct discharge construction is provided on the bowl outlet, so bowl outlet is connected directly to the inlet of the drain.

Description

Front flushing toilet

Forward-flushing water closet

Technical field

The present invention relates to a kind of water-saving forward-flushing water closet with flooding nozzle.

Background technology

Existing nose wheelie Asiatic water closet pan, because excrement directly falls into water out, is rinsed apart from short and obtain the extensive use in public lavatory.But there are some shortcomings in existing lavatory tool：Water tank is must be equipped with, flushing water flows out along some water holes that lavatory has pelvic cavity periphery to be rinsed, and lavatory tool pelvic cavity ground is shallower, thus water consumption is big, and is difficult to rinse well.

The content of the invention

It is an object of the invention to provide a kind of lavatory tool that can be rinsed well pelvic cavity with a small amount of water, especially it is to provide a kind of forward-flushing water closet pelvic cavity.

Another object of the present invention provides a kind of trap with auxiliary emptying device used cooperatively with above-mentioned lavatory tool pelvic cavity.

Another object of the present invention provide it is a kind of have that pelvic cavity uses cooperatively with above-mentioned lavatory when from lavatory tool pelvic cavity discharge dirt, the sealing device that Outlet of The Pelvic Cavity is directly connected with the inlet of sewer.

Forward-flushing water closet for realizing the object of the invention, with a pelvic cavity, one fluid passage set along pelvic cavity top edge, one outlet set in pelvic cavity back lower, lavatory tool includes a table top stretched out in pelvic cavity top edge, at least one pedal control mechanism mounting hole set on table top, one is used to set the mounting hole of nozzle on front side of pelvic cavity, fluid passage is air-suction channel, and some wind inlets are set on air channel, and suction channel is connected with an inlet scoop.

The further solution of the present invention includes：

Nozzle includes：One nozzle upper body, the upper body has a spherical top, the grid portion below spherical top；One nozzle lower body, the lower body upper end has a flange, and lower end has a water inlet；One connection upper body and the attachment means of lower body；One is used to seal the specific outside sealing gasket with flange in lavatory；One is arranged on the flushing water injection channel between the specific inner surface of spherical top lower surface and lavatory；The composition of nozzle can also be：One spherical top；The one tubular connecting portion being connected below with spherical top, the outer surface of the connecting portion is provided with external screw thread；One water inlet being arranged on the side wall of tubular connecting portion and a delivery port of the side wall close to spherical top for being arranged on tubular connecting portion；One is connected water inlet pipe with water inlet；The end cap of one closure tubular connecting portion lower end, on end cap It is provided with a through hole；One is fixed on the secondary jet pipe between spherical top and end cap, and the fluid inlet tubes of secondary jet pipe pass through the through hole being opened on end cap；One is threaded in the nut of connecting portion and for sealing the specific outside sealing gasket in lavatory；One is arranged on the rubber blanket between the specific inner surface of spherical top lower surface and lavatory；

Lavatory tool also includes a trap being arranged between Outlet of The Pelvic Cavity and the inlet of sewer, trap has an entrance and an outlet being engaged with the inlet of sewer being engaged with closestool Outlet of The Pelvic Cavity, provided with the nozzle for forming high speed jet douche current on the side wall of inlet of trap section, the direction for rinsing current is substantially parallel with overfall；

Lavatory tool also includes a straight-line lavatory and has sealing device, the sealing device has a water chamber, the water chamber is provided with an entrance and an outlet, the port of export is tightly connected with a seal case, in the port of export, one rotary shaft for passing through seal case is set, one hermatic door is installed, seal case has an outlet in the rotary shaft in seal case.

Because the water inlet that original lavatory has is changed to exhaust outlet by the present invention, using the aperture air draught deodorization for having pelvic cavity periphery draining along lavatory originally, deodorizing capability is added；By lavatory tool outlet reach, lavatory is had pelvic cavity bottom surface inclination angle and increase 20 degree, improve developing result；Portion sets a nozzle in face of the tool pelvic floor of lavatory, nozzle is sprayed the plane sector current of one patch lavatory tool pelvic cavity bottom surface, both improves developing result, water consumption is reduced again；Using direct-discharging sealing structure, when discharging dirt from lavatory tool pelvic cavity, Outlet of The Pelvic Cavity is directly connected with the inlet of sewer, the water discharged from sealing device is exactly the water rinsed required for pelvic cavity, the additional flushing water without the such water in replacement trap again of phase prior art, therefore with the effect economized on water very much.

Summary of drawings

Fig. 1 is the structural representation that lavatory of the present invention has pelvic cavity.

Fig. 2 is the sectional view of the A-A hatching lines along along Fig. 1.

Fig. 3 is Fig. 1 top view.

Fig. 4 is the structure chart of nozzle.

Fig. 5 is the sectional drawing of Fig. 4 I-I lines along along figure.

Fig. 6 is the structure chart of another nozzle.

Fig. 7 is the sectional view of the B-B hatching lines along along Fig. 6.

Fig. 8 is the sectional drawing of the line C-C along along Fig. 6. Fig. 9 is schematic diagram of trap of the present invention with nozzle in non-working condition.

Figure 10 is the fundamental diagram of trap.

Figure 11 is schematic diagram of the one embodiment for the sealing device that the present invention is used in sealing state.

Figure 12 is the schematic diagram that sealing device shown in Fig. 11 is opened when discharging dirt.

Figure 13 is schematic diagram of another embodiment in sealing state for the sealing device that the present invention is used.

Figure 14 is the schematic diagram that sealing device shown in Figure 13 is opened when discharging dirt.

Figure 15 is the sealing door switch transmission perspective view driven with motor.

Figure 16 is the side view of sealing door drive mechanism shown in Figure 15

Figure 17 is the sealing door switch transmission perspective view driven with electromagnet.

Figure 18 is the transmission principle schematic diagram using electromagnet as power.

Figure 19 is a kind of structural representation of combining form of water-saving toilet tool.

Figure 20 is the structural representation of another combining form of water-saving toilet tool.

The preferred forms of the present invention

Lavatory tool described by Fig. 1, Fig. 2 and Fig. 3 is made up of lavatory specific 1, urine gear 2 and nozzle 3 etc..Lavatory specific 1 has a pelvic cavity 11, one table top 12 stretched out in the top edge of pelvic cavity 11, the table top outer rim is rectangle, two in the symmetrically arranged pedal control mechanism mounting hole 13 in table top about centre position, be additionally provided with the front end of table top 12 two be used for urinate gear 2 fixing hole 14, urine gear 2 can be fixed in the hole 14 in lavatory specific 1 with fastener, and this detachable urine gear is highly beneficial to transport, transport space can be reduced, can prevent from damaging in transport again.The lavatory specific 1 also has a mounting hole 15 for being used to set nozzle 3 in the front side of pelvic cavity 11, one outlet 16 set in the back lower of pelvic cavity 11, one inlet scoop 17 set in the upper rear end of pelvic cavity 11, one annular passage 18 set along the top edge of pelvic cavity 11 connected with inlet scoop 17, and some wind inlets 19 set on air channel 18.It is of course also possible to only set a mounting hole 13 in the appropriate location of table top, air channel 18 can also be made up of two air channels for being arranged on the both sides of pelvic cavity 11.

From fig. 1, it can be seen that in the case where the height in lavatory specific 1 is constant, in order to substantially increase developing result, the position that lavatory has outlet 16 is moved forward, so as to increase the tilt angles theta of lavatory tool pelvic cavity bottom surface, the tilt angles theta is 15-20 degree.In addition, being mounted with the (spray of a nozzle 3 at pelvic cavity bottom front aperture 15 The detailed construction of mouth will be described below）, water inlet pipe is connected on the bottom of nozzle 3.The nozzle 3 goes out to flow principle by plane slit and the high velocity stream of one plane sector is sprayed along pelvic cavity bottom surface, so that excrement be rinsed well.So, with a nozzle come instead of using along the porous bath in pelvic cavity periphery, water consumption can just be greatly reduced.

It can be seen that from Fig. 2, Fig. 3, two pedal controller mounting holes 13 have been opened in the both sides in lavatory specific 1, pedal controller can be actuating type button switch, can be photoelectric control switch, or other controllable nozzles well known in the art or the control device of lavatory tool servicing unit work.Control device is used for solving the problems, such as auto-flushing, can prevent current public lavatory artificial flushing is frequent or has opened tap to be not related to, largely waste water source；Or tap is not simply opened, cause excrement to accumulate, stink to high heaven.

This lavatory tool is can be seen that along along the air channel 18 of the both sides of pelvic cavity 11 from Fig. 2, Fig. 3, if having opened thousand wind inlets 19.After wind inlet 17 connects blower fan, the foul smell in lavatory tool outlet 16 and pelvic cavity 11 can be discharged by inlet scoop 17, air channel 18, wind inlet 19 and blower fan, enhance the deodorizing capability of lavatory tool.Inlet scoop 17 can also be connected by pipeline with ventilation shaft or other negative-pressure air-suction facilities.

Fig. 4 is a kind of structure chart of nozzle used in the present invention.Nozzle 3 includes：One nozzle upper body

30, the upper body has a spherical top 31, and the grid portion 32 below spherical top 31, the grid portion 32 plays a part of bearing nozzles upper body 30 and flows through flushing water；One nozzle lower body 35, the upper end of lower body 35 has a flange 36, and lower end has a water inlet 37, and the water inlet 37 is connected with the inside in grid portion 32；The attachment means 38 of one connector and lower body, the attachment means 38 can be the screw connection structure between upper lower body, both upper body was provided with external screw thread, lower body Jian has internal thread, both are connected or screw connecting structure, and screw can be integrally formed with top, these structures are not shown in detail in common knowledge, figure；One is used to seal specific 1 outside in lavatory and the sealing gasket 39 of flange 36;- the rubber blanket 34 being arranged between specific 1 inner surface of the spherical lower surface of top 31 and lavatory, is provided with breach 40 on rubber blanket 34.A deodorant liquid or pure and fresh liquid import 33 are also provided with lower body, to improve the air regime between lavatory.

Rubber blanket 34 is used for adjusting direction, angle and the thickness of shower.So when nozzle is connected at water source, nozzle just in a predetermined direction, angle and thickness one plane slit of formation go out stream.There is very big liquid resistance because slit goes out stream, so the flow stream velocity sprayed is very big, adds current and be close to pelvic cavity bottom surface again, so developing result is good, and water consumption is again small. As a kind of replacement means, the breach 40 of rubber blanket 34 can not be provided with rubber blanket 34, and the injection channel of flushing water is formed by the mode that radial groove is opened up below spherical top 31.Between specific 1 inner surface of the spherical lower surface of top 31 and lavatory a complete rubber blanket can be set to be used as adjusting pad.

In use, flushing water enters the inside in grid portion 32 from import 37, then sprayed by breach 40 from the injection channel formed between specific 1 inner surface of the spherical lower surface of top 31 and lavatory.Or sprayed into from the flushing water injection channel of the groove formation opened up below spherical top 31 in pelvic cavity 11.When needing, deodorant liquid or pure and fresh liquid are added from import 33, it is accompanied in the flushing water penetrating pelvic cavity 11 that import 37 is flowed into.

Fig. 6-8 shows another structure of nozzle, and nozzle arrangements shown in the nozzle 50 and Fig. 5 and 6 are essentially identical, and simply the structure of auxiliary jet is different, and Fig. 5 and 6 is indicated by the same numeral with identical part in Fig. 6-8, and the nozzle 50 includes：One spherical top 31;- with the tubular connecting portion 41 that is connected below spherical top 31, the outer surface of the connecting portion 41 is provided with external screw thread；One water inlet 42 being arranged on the side wall of tubular connecting portion 41 and a delivery port 43 of the side wall close to spherical top 31 for being arranged on tubular connecting portion 41;- the water inlet pipe 44 being connected with water inlet 42;The end cap 45 of the lower end of one closure tubular connecting portion 41, is provided with a through hole and the internal thread being engaged with the external screw thread of the outer surface of connecting portion 41 on end cap 45；One is fixed on the secondary jet pipe 46 between spherical top 41 and end cap 45, and the fluid inlet tubes 47 of secondary jet pipe 46 pass through the through hole being opened on end cap 45, a cap jet 48 being engaged with delivery port 43 is provided with the sidepiece upper end of secondary jet pipe 46;- it is threaded in the nut 49 of connecting portion 41 and for sealing the sealing gasket 39 outside lavatory specific 1;- the rubber blanket 34 being arranged between specific 1 inner surface of the spherical lower surface of top 41 and lavatory.

Referring to Fig. 9 and 10, in order to which the lavatory tool pelvic cavity 11 small with the water consumption of the present invention is engaged, the invention provides a kind of trap 50 with nozzle 57.Trap 50 is arranged on the outlet 16 of closestool pelvic cavity 11 and sewer enters between 53, it has an entrance 54 and an outlet 55 being engaged with the inlet of sewer 53 being engaged with closestool Outlet of The Pelvic Cavity 16, trap is made up of on longitudinal section a bottom and a top 52, bottom has one be smoothly linked in sequence inclined side wall 56 inwardly downward, one in the upward outward-dipping overfall 51 of following changeover portion 60 and one, top 52 is parallel with overfall 51, provided with the nozzle 57 for forming high speed jet douche current on the side wall 56 of trap, the top of overfall 51 is higher than the lower end on top 52, the direction for rinsing current 58 is substantially flat with overfall 51 OK.Nozzle 57 is connected with pipeline 59.In inactive state, the water of trap makes lavatory tool be separated with sewer, reaches sealing every smelly effect.When trap is in running order（See Figure 10), the excrement in trap is poured the inlet of sewer 53 by nozzle 57, and in the case where rinsing the high speed injection of current 58, the negative pressure as caused by jet drives excrement to pour sewer rapidly in trap.Nozzle 57 on trap, is greatly promoted the discharge of excrement in trap, while water consumption is also greatly reduced.

The present invention in trap 50 due to installing a nozzle 57, negative pressure caused by the high-velocity flow 58 sprayed using nozzle, the excrement in trap is taken out of rapidly and enters sewer, so as to improve flushing effect, and water consumption is reduced, and sealing effectiveness is not influenceed.

Referring to Fig. 11 and 12, shown is one embodiment that straight-line lavatory of the present invention has sealing device 70, there is one to be arranged on the water chamber 71 being tightly connected below tool pelvic cavity 11 outlet of lavatory and therewith for it, the water chamber 71 is provided with an entrance 61 and an outlet 62, the outer end of outlet 62 is tightly connected with a seal case 72, in the port of export, one rotary shaft 74 for passing through seal case 72 is set, the rotary shaft can be driven by any suitable known device, structure as shown in figs, both structures will be described further below.One hermatic door 75 is installed, seal case 72 has an outlet 63 being arranged on chassis 76 in one section of rotary shaft 74 in seal case 72.Rotary shaft 74 is arranged on the lower end of outlet 62, a seal pipe 73 is set with outlet 62, the bottom of the other end of seal pipe 73 is connected with the swinging end of hermatic door 75.Seal pipe 73 is preferably rubber tube.

The sealing device is in sealing state（See Figure 11), movable sealing door 75 being lifted by rotary shaft 74, rubber tube 73 is lifted, by there is the formation water-stop of the water in chamber 71 and rubber tube 73, preventing sewer odor from overflowing.The schematic diagram of direct-type hermatic door when Figure 12 is emissions status, when being rinsed after an action of the bowels, the discharge of flushing water and the rotation of rotary shaft are linkages, the discharge of flushing water and the rotation of rotary shaft can both carried out simultaneously, the discharge of flushing water can also be made to lag behind the rotation of rotary shaft, that is, bath and draining can be carried out simultaneously, bath can also be made to lag behind draining.By the rotation of rotary shaft 74 by movable sealing 75 dozens of Jian of door, in the case where rinsing water slug, the excrement in lavatory tool 11 is directly discharged into sewer through water chamber 71 and rubber tube 73 from the outlet 63 of seal case 72.When wash by water a period of time after, first rotate rotary shaft 74, hermatic door 75 is returned to sealing station, both position shown in Fig. 11, then control bath continue a period of time so that water chamber store full water and form water-stop. Referring to Figure 13 and 14, shown is another embodiment of sealing device 70, the schematic diagram that the schematic diagram and sealing device represented in sealing state is opened when discharging dirt.The embodiment and the illustrated embodiments of Fig. 11 and 12 are essentially identical, and simply the position of rotary shaft is different with sealing means.Rotary shaft 74 is arranged on the upper end of outlet 62, magnetic seal is used between hermatic door 75 and outlet 62, seal form can be that hermatic door 75 is magnetic metal door, such as iron gate, a magnet ring 77 and sealing ring 78 are set with the edge of outlet 62, seal form can also be that hermatic door is magnetic metal door, and a magnetic rubber sealing ring 78 is set with the edge of outlet.

It is clear that the working method of Figure 13 and 14 illustrated embodiment is substantially the same with Figure 11 and 12 illustrated embodiments, it will not be repeated here.

Referring to Figure 15 and 16, solid line represents that sealing device is in open mode in figure, and dotted line represents closed mode.Shift fork 81 is provided with one end of rotary shaft 74, hermatic door counterweight 82 is provided with the other end of rotary shaft 74.Seal case 72 not shown in figure.The rotation drive machine of hermatic door 75 includes a motor 83, one crank 84 is installed on the axle of motor 83, a driving lever 85 is provided with crank 84, driving lever 85 is engaged with shift fork 81, driving lever 85 drives shift fork 81, and then drive rotary shaft 74 to rotate, it is consequently formed the switch of hermatic door 75.

Referring to Figure 17 and 18, solid line represents that sealing device is in open mode in figure, and dotted line represents closed mode.Same not shown seal case 72 in figure.Swing rod 91 is provided with one end of rotary shaft 74, hermatic door counterweight 82 is provided with the other end of rotary shaft 74.The rotation drive machine of hermatic door 75 includes：One electromagnet 92;- the drive link 93 being connected with electromagnet;- rotating fulcrum 94;One rotating bar 95 rotated around fulcrum 94;- the articulated joint 98 for being flexibly connected drive link 93 with rotating bar 95;One pull bar 97 being hinged with swing rod 91;And the articulated joint 96 for being flexibly connected pull bar 97 with rotating bar 95.

Referring to Figure 19, shown in figure is the structural representation that the Assembled water-saving toilet with trap 50 has.Lavatory specific 1 is placed on bearing support 4, there is Electromagnetic Control water valve 5 in bearing support 4, is connected through pipe 6 with nozzle 3.Lavatory tool outlet is connected with straight-line trap 50.Exhaust outlet discharges foul smell through exhaust duct 8, ventilating fan 9 after the tool of lavatory.Electric appliance control box 10 is used to control each several part action when 7 input signal of foot controller.

The structural representation that Figure 20 has for the Assembled water-saving toilet with straight-line sealing device 70.Lavatory specific 1 is arranged on a support 4, and a water tank 20 and 21 is at least respectively equipped with the both sides of support 4, Water pump 22 and filter 23 can certainly be provided with water tank 21, water pump is by pipeline 6 and nozzle 3 (not shown in figure only in side provided with a water tank）Connection.A magnetic valve 5 can also be connected on pipeline 6, for carrying out assembling in the case of different water sources

In the embodiment shown in Figure 19, water tank 20 and 21 can also be set in the both sides of support 4, water pump 22 and filter 23 are provided with water tank 20,21, water pump is connected by pipeline 6 with nozzle 3 and nozzle 57.

The present invention can there is various ways in which in form at the water source of flushing water, when having water source and hydraulic pressure is enough, running water pipe directly can be connected into Electromagnetic Control water valve 5, control to rinse by it.When with having water source but hydraulic pressure not enough, during even without water source, it can be connected between two casees by communicating pipe 24, water level can be controlled by float-ball type altitude valve 25 using two auxiliary water tank water storages.

So, different condition can be directed to, selects different parts to be combined into different lavatory tools, to meet requirement to greatest extent, and manufacture, construction period can be accelerated.

Claims (14)

1. Claims

   1st, a kind of forward-flushing water closet, with a pelvic cavity, one fluid passage set along pelvic cavity top edge, one outlet set in pelvic cavity back lower, it is characterized in that, described lavatory tool includes a table top stretched out in pelvic cavity top edge, at least one pedal control mechanism mounting hole set on table top, one is used to set the mounting hole of nozzle on front side of pelvic cavity, described fluid passage is air-suction channel, some wind inlets are set on described air channel, and described suction channel is connected with an inlet scoop.

   2nd, lavatory tool according to claim 1, it is characterised in that in the front end of table top provided with two fixing holes for being used to install urine gear, described urine gear is removably attached in described fixing hole with fastener.

   3rd, lavatory tool according to claim 1, it is characterised in that the inclination angle between pelvic cavity bottom surface and horizontal plane is 20 degree of 15-.

   4th, lavatory tool according to claim 1, it is characterised in that described nozzle includes：One nozzle upper body, the upper body has a spherical top, the grid portion below spherical top；One nozzle lower body, the lower body upper end has a flange, and lower end has a water inlet；The described upper body of one connection and the attachment means of lower body；One is used to seal the specific outside sealing gasket with flange in described lavatory；One is arranged on described flushing water injection channel between spherical top lower surface and the specific inner surface in lavatory.

   5th, lavatory tool according to claim 4, it is characterised in that a deodorant liquid import is additionally provided with described lower body.

   6th, lavatory tool according to claim 4, it is characterised in that described injection channel opens up breach on the rubber blanket described in being arranged on one between spherical top lower surface and the specific inner surface in lavatory and formed.

   7th, lavatory tool according to claim 4, it is characterised in that described injection channel is formed by the mode that radial groove is opened up below described spherical top.

   8th, lavatory tool according to claim 1, it is characterised in that described nozzle includes：One spherical top；The one tubular connecting portion being connected below with spherical top, the outer surface of the connecting portion is provided with external screw thread；One water inlet being arranged on the side wall of tubular connecting portion and one is arranged on the delivery port of the side wall of tubular connecting portion close to described spherical top；One is connected water inlet pipe with described water inlet；The end cap of one closure tubular connecting portion lower end, is provided with a through hole on end cap；One is fixed on the secondary jet pipe between spherical top and end cap, and the fluid inlet tubes of secondary jet pipe are opened in end cap through described On through hole；One is threaded in the nut of described connecting portion and for sealing the specific outside sealing gasket in described lavatory；One is arranged on described rubber blanket between spherical top lower surface and the specific inner surface in lavatory.

   9, lavatory tool according to claim 1-8 any one, it is characterized in that, described lavatory tool also include-is arranged on the tubulose trap between Outlet of The Pelvic Cavity and the inlet of sewer, described trap has an entrance and an outlet being engaged with the inlet of sewer being engaged with closestool Outlet of The Pelvic Cavity, described trap is made up of on longitudinal section a bottom and a top, described bottom has one be smoothly linked in sequence inclined side wall inwardly downward, one in following changeover portion and a upward outward-dipping overfall, described top is parallel with overfall, the top of overfall is higher than the lower end on described top, provided with the nozzle for forming high speed jet douche current on the side wall of described trap, the described direction for rinsing current is substantially parallel with overfall.

   10th, the lavatory tool according to claim 1-8 any one, it is characterized in that, described lavatory tool also includes a straight-line lavatory and has sealing device, the sealing device has a water chamber, the water chamber is tightly connected provided with an entrance and an outlet, the described port of export with a seal case, and a rotary shaft for passing through described seal case is set in the described port of export, one hermatic door is installed, described seal case has an outlet in the rotary shaft in described seal case.

   11st, lavatory tool according to claim 10, it is characterised in that described rotary shaft is arranged on explained lower end, is set with a seal pipe on being explained, and the bottom of the other end of described seal pipe and the swinging end of hermatic door are connected.

   12nd, lavatory according to claim 10 tool, it is characterised in that described rotary shaft is arranged on explained upper end, described hermatic door and magnetic seal between explaining.

   13rd, lavatory tool according to claim 9, it is characterised in that described lavatory is specifically located on a support, at least in the side of support provided with a water tank, and water pump and filter are provided with water tank, and described water pump is connected by pipeline with described nozzle.

   14th, lavatory tool according to claim 10, characterized in that, described lavatory is specifically located on a support, at least in the side of support provided with a water tank, water pump and filter are provided with water tank, described water pump is connected by pipeline with described nozzle.