CN214884141U

CN214884141U - Low cistern closet

Info

Publication number: CN214884141U
Application number: CN202023025765.0U
Authority: CN
Inventors: 谢华山
Original assignee: Xiamen Secyijing Sanitary Ware Technology Co ltd
Current assignee: Zhongshan Zhitao Sanitary Ware Technology Co.,Ltd.
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-26
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a low water tank toilet, which comprises a toilet body and a flushing system arranged on the toilet body, wherein the flushing system comprises a brush ring flushing device, a jet flushing device and a controller, and the brush ring flushing device is used for conveying water in an external water pipe through a brush ring pipe to wash the peripheral wall of a urinal; the jet flushing device comprises a water tank drain valve arranged in the water tank, the water tank drain valve is used for controlling water in the water tank to flow out from a jet orifice of a toilet bowl through a jet water channel, the brush ring water inlet valve and the water tank drain valve are both air control water valves, and the controller is simultaneously connected with the brush ring water inlet valve and the water tank drain valve through an air inlet pipe, so that the problem that the flushing force of the brush ring water is limited by the water level of the water tank is solved while a mechanical flushing system is provided.

Description

Low cistern closet

Technical Field

The utility model relates to a bathroom field specifically is a short water tank squatting pan that relates to.

Background

At present, short ceramic water tanks or water tank-free toilets have gradually become a trend due to the prevalence of intelligent toilets. The water storage tank needs to supply water to the brush ring water delivery pipeline, and the height of the water storage tank needs to be designed to be higher than the surface of the toilet seat ring, so that the working water level of the water storage tank is ensured to be higher than the surface of the toilet seat ring, so that enough potential energy is provided for enabling water to flow to the brush ring water delivery pipeline to clean and fall a toilet, and siphonage can be generated. At present, the flushing of a short water tank (no water tank) in the market mostly adopts a solenoid valve direct flushing scheme, namely, the water in a pipeline is used for directly flushing the peripheral wall and the bottom of a urinal so as to discharge sewage. However, the scheme needs power supply to flush, and has the defect that the toilet cannot be flushed by using a machine or a hand, but the toilet cannot be flushed when the power is not supplied. In addition, although there are some other low tank solutions in the market, such as the patent with publication number CN105735439A, which discloses a flushing scheme for a low level toilet, the flushing force of the toilet flushing ring water in the scheme is limited by the tank level, so that the flushing is often not clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a short water tank squatting pan of mechanical type bath system, and solve the problem that the scouring force of brushing circle water is limited by the water tank water level simultaneously.

The specific scheme is as follows:

a low water tank toilet bowl comprises a toilet bowl body and a flushing system arranged on the toilet bowl body, wherein the toilet bowl body is provided with a water tank, a jet orifice positioned in a toilet bowl and a jet water channel communicated with the water tank and the jet orifice; the water inlet end of the mixing pipe is provided with a drainage port which is over against the nozzle, and the water outlet end of the mixing pipe is connected with the water inlet end of the brush ring pipe; the aperture of the drainage port is larger than that of the spray hole of the nozzle, and a gap communicated with the water tank is formed between the drainage port and the nozzle; the jet flushing device comprises a water tank drain valve arranged in the water tank, the water tank drain valve is used for controlling water in the water tank to flow out from a jet orifice of the toilet bowl through a jet water channel, the brush ring water inlet valve and the water tank drain valve are both air control water valves, and the controller is simultaneously connected with the brush ring water inlet valve and the water tank drain valve through an air inlet pipe, so that the controller simultaneously acts on the brush ring water inlet valve and the water tank drain valve and controls the brush ring water inlet valve and the water tank drain valve to be opened.

Furthermore, the brush ring water inlet valve comprises a first valve body, a first water stopping assembly and a first pneumatic control assembly, wherein the first water stopping assembly and the first pneumatic control assembly are arranged in the first valve body, and the first pneumatic control assembly and the first water stopping assembly are arranged in a linkage mode to open the brush ring water inlet valve.

Further, first water inlet, first delivery port and a back pressure chamber have in the first valve body, the back pressure chamber is the open one end confined cavity in one end, just be provided with the pressure release hole on the closed end in back pressure chamber, first stagnant water subassembly is installed on the open end in back pressure chamber, first air control unit mount is on the closed end in back pressure chamber, just it can be with the shutoff of pressure release hole and the pressure release piece of opening to have on the first air control unit, works as when first air control unit blocks up the pressure release hole, first stagnant water subassembly will first delivery port blocking up, works as when first air control unit opens the pressure release hole, first stagnant water subassembly will be under hydraulic effect with first delivery port is opened.

Furthermore, the first water stopping assembly comprises a first valve core capable of moving in the first valve body, a first return spring for applying return elasticity to the first valve core and a first sealing element capable of plugging the first water outlet, a piston part capable of being in movable sealing contact with the back pressure cavity is arranged at the bottom of the first valve core, and a water passing hole communicated with the back pressure cavity and the first water inlet is formed in the first valve core.

Further, first pneumatic control assembly includes a first gasbag that can stretch out and draw back, the pressure release head that sets up with first gasbag cooperation and the second reset spring to the pressure release head applied elasticity that resets, the pressure release head has the shutoff section that extends to the backpressure intracavity from the pressure release hole, just set firmly the second sealing member that sets up with the pressure release hole matching on the shutoff section.

Furthermore, the water outlet pipe is connected with the flushing assisting pipe, the water outlet pipe extends into the first valve body from the first water inlet, a gap is formed between the outer wall of the water outlet pipe and the inner wall of the first valve body, and the inlet of the water outlet pipe is the first water outlet, so that water flow can flow through the gap between the water outlet pipe and the first valve body and flow out of the water outlet pipe.

Furthermore, the first water stopping assembly is provided with a guide part extending into the water outlet pipe.

Furthermore, the water tank drain valve comprises a second valve body, a second water stopping assembly and a second air control assembly, wherein the second water stopping assembly and the second air control assembly are installed in the second valve body, and the second air control assembly and the second water stopping assembly are arranged in a linkage mode to open the water tank drain valve.

Further, the second water stopping assembly comprises a valve seat and a second valve core, and a third sealing element capable of plugging a water passing hole in the valve seat is arranged on the second valve core; the second air control assembly comprises a second air bag which can stretch out and draw back, and the second air bag is in linkage with the second valve core.

The utility model provides a short water tank squatting pan compares with prior art and has following advantage: the utility model provides a flushing system of short water tank squatting pan is when flushing water, and brush circle bath device is direct with the water drainage in the outside water pipe to brush the perisporium that is used for rinsing the urinal in the circle pipe, and water in the water tank is discharged via the water tank drain valve, gets into the jet that the squatting pan fell the urinal, because brush circle bath device's the outside water pipe of lug connection, therefore the washing force can not reduce because of the reduction of water level in the water tank, can wash the squatting pan cleaner.

Drawings

FIG. 1 shows a schematic view of a low tank toilet.

FIG. 2 shows a schematic cross-sectional view of a low tank toilet in one direction.

FIG. 3 shows a schematic cross-sectional view of a low tank toilet in another orientation.

FIG. 4 shows a schematic view of the brush ring water inlet valve in an open state.

FIG. 5 shows a schematic view of the brush ring water inlet valve in a closed state.

Fig. 6 shows a schematic view of a cistern discharge valve in a closed state.

Fig. 7 shows a schematic view of a cistern discharge valve in an open state.

Figure 8 shows a schematic of a brush ring water inlet valve fitted with an eductor.

FIG. 9 shows a schematic cross-sectional view of an eductor

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 3, the embodiment provides a low tank toilet bowl, which comprises a toilet bowl body and a flushing system mounted on the toilet bowl body.

Wherein, the closestool body is provided with a water tank 11, a jet orifice 12 positioned in the urinal and a jet water channel 13 communicating the water tank 11 and the jet orifice 12. A tank inlet valve 14 is installed in the tank 11, and the tank inlet valve 14 is connected to an external water supply pipe (not shown) and takes charge of water supply to the tank 11, wherein the height of the tank 11 is equal to the seat surface of the toilet body.

The flushing system comprises a brush ring flushing device for flushing the peripheral wall of the toilet bowl, a jet flushing device for flushing the bottom of the toilet bowl, and a controller for controlling the actions of the brush ring flushing device and the jet flushing device. The brush ring flushing device comprises a brush ring pipe 20 and a brush ring water inlet valve 21 arranged in the water tank 11, wherein the water inlet end of the brush ring water inlet valve 21 is connected with an external water pipe, the water outlet end of the brush ring water inlet valve 21 is connected with the brush ring pipe 20, and water in the external water pipe is conveyed through the brush ring pipe 20 to wash the peripheral wall of a urinal.

The jet flush apparatus includes a tank drain valve 22 installed in the tank 11, the tank drain valve 22 controlling water in the tank to finally flow out of the jet port 12 of the drop bowl through the jet water passage 13.

The controller simultaneously acts on the brush ring inlet valve 21 and the tank drain valve 22 to control the opening of the brush ring inlet valve 21 and the tank drain valve 22.

When the flushing system of the short water tank toilet is used for flushing, the brush ring flushing device directly guides water in the external water pipe to the brush ring pipe to be used for washing the peripheral wall of a toilet bowl, the water in the water tank is discharged through the water tank drain valve and enters the jet orifice of the toilet bowl, and due to the fact that the brush ring flushing device is directly connected with the external water pipe, the flushing force cannot be reduced due to reduction of the water level in the water tank, and the toilet bowl can be flushed more cleanly.

In this embodiment, the brush ring water inlet valve 21 and the water tank drain valve 22 are both air-controlled water valves, the controller is connected with the brush ring water inlet valve 21 and the water tank drain valve 22 through an air inlet pipe 231, and the air inlet pipe 231 can be connected with a manual or automatic controller or a manual and automatic controller at the same time to realize the air transmission operation of the air inlet pipe 231, so as to realize the control of the brush ring water inlet valve 21 and the water tank drain valve 22.

Referring to fig. 4 and 5, the brush ring water inlet valve 21 includes a first valve body 210, a first water stop assembly 211 installed in the first valve body 210, and a first pneumatic control assembly 212, and the first pneumatic control assembly 212 and the first water stop assembly 211 are linked to open the brush ring water inlet valve 21.

Specifically, have first water inlet 2101, first delivery port 2102 and a back pressure chamber 2103 in the first valve body 210, back pressure chamber 2103 is the one end open one end confined cavity, and first stagnant water subassembly 211 is installed on the open end of this back pressure chamber 2103, and first pneumatic control subassembly 212 is installed on the closed end of this back pressure chamber 2103.

In this embodiment, an outlet pipe 2104 connected to the brush ring pipe 20 extends from the first water inlet 2101 of the first valve body 210 into the first valve body 210, and a gap is formed between the outer wall of the outlet pipe 2104 and the inner wall of the first valve body 210, so that water can flow through the gap and flow out of the outlet pipe 2104. The design is not only beneficial to the realization of the opening and closing of the brush ring water inlet valve 21 by the following first water stopping assembly 211, but also shortens the water passing stroke between the first water inlet 2101 and the first water outlet 2102 in the brush ring water inlet valve 21, and can reduce the response time during flushing.

The first water stopping assembly 211 comprises a first valve core 2111 capable of moving in the first valve body 210, a first return spring 2112 for applying return elastic force to the first valve core 2111 and a first sealing member 2113 capable of blocking the water inlet of the water outlet pipe 2104, wherein the head of the first valve core 2111 is provided with a guide portion 2114 extending into the water outlet pipe 2104, and the guide portion and the water outlet pipe 2104 are matched with each other to guide the movement of the first valve core 2111; the first valve element 2111 has a piston portion 2115 at the bottom thereof, which is in movable sealing contact with the back pressure chamber 2103, so that the first valve element 2111 can close one end of the back pressure chamber 2103, and the first valve element 2111 has a water through hole 2116 communicating the back pressure chamber 2103 with the first water inlet 2101. A first seal 2113 is fixedly mounted on the first valve element 2111 and has a sealing portion in sealing contact with the end surface of the outlet pipe 2104.

The first pneumatic control assembly 212 includes a first air bag 2121 capable of being extended and contracted, a pressure-releasing head 2122 disposed in cooperation with the first air bag 2121, and a second return spring 2123 for applying a return elastic force to the pressure-releasing head 2122. The closed end of the back pressure chamber 2103 is provided with a pressure relief hole 2105, the pressure relief head 2122 is provided with a blocking section extending from the pressure relief hole 2105 to the back pressure chamber 2103, and a second sealing element 2124 matched with the pressure relief hole 2105 is fixedly arranged on the blocking section.

When the air inlet pipe 231 is not used for air transmission, the second sealing member 2124 on the pressure release head 2122 seals the pressure release hole 2105 under the action of the elastic force of the second return spring 2123, and the external water flows into the back pressure cavity 2103 from the water through hole 2116, so that the back pressure cavity 2103 maintains a high water pressure, and at the same time, the first valve element 2111 seals the water outlet pipe 2104 under the action of the first return spring 2112, that is, the brush ring water inlet valve 21 is in a closed state.

When the air inlet pipe 231 starts to deliver air, the air extends the first air bag 2121, so that the second sealing member 2124 on the pressure relief head 2122 is separated from the pressure relief hole 2105 and is opened, the water pressure in the back pressure chamber 2103 rapidly drops, and at the moment, the first valve core 2111 is pushed away by larger water pressure, so that the first sealing member 2113 on the first valve core 2111 is not in sealing contact with the water outlet pipe 2104, water rapidly flows from the first water inlet 2101 to the first water outlet 2102, and is finally discharged from the brush ring pipe 20 for washing the peripheral wall of the toilet bowl.

Referring to fig. 6 and 7, the water tank drain valve 22 includes a second valve body 220, a second water stopping assembly 221 and a second pneumatic control assembly 222 installed in the second valve body 220, and the second pneumatic control assembly 222 and the second water stopping assembly 221 are arranged in a linkage manner to open the water tank drain valve 22.

Specifically, the second water stop assembly 221 in this embodiment includes a valve seat 2211 and a second valve core 2212, and the second valve core 2212 has a third sealing member 2213 capable of blocking the water through hole in the valve seat 2211. The second pneumatic control assembly 222 includes a second air bag 2221 connected to the air inlet pipe 231 and capable of extending and contracting, and the second air bag 2221 is linked with the second valve spool 2212. When the air intake pipe 231 starts to deliver air, the second bladder 2221 is expanded to raise the second valve 2212, so that the third sealing member 2213 is separated from the valve seat 2211, the water in the water tank 11 finally flows out of the jet opening 12 of the drop bowl through the jet water passage 13. When the air inlet pipe 231 is no longer supplied with air, the second valve element 2212 falls to block the water through hole in the valve seat 2211, and the water inlet valve 14 of the water tank 11 will continue to supply water to the water tank due to the water level in the water tank falling, so as to maintain the water level in the water tank within the set range.

In this embodiment, referring to fig. 8 and 9, the water outlet end of the brush ring water inlet valve 21 is further connected to an ejector 24, and the ejector 24 is located between the water outlet end of the brush ring water inlet valve 21 and the water inlet end of the brush ring pipe 20, so as to multiply and amplify the amount of water sprayed into the brush ring pipe 20, thereby improving the scouring force of the brush ring pipe 20 and achieving a better scouring effect.

Specifically, the ejector 24 includes an injection pipe 241 and a mixing pipe 242, the water inlet end of the injection pipe 241 is used for connecting with the water outlet end of the brush ring water inlet valve 21, and the water outlet end of the injection pipe 241 is provided with a nozzle 2410; the water inlet end of the mixing tube 242 is provided with a drainage port 2420 facing the nozzle 2410, and the water outlet end of the mixing tube 242 is connected with the water inlet end of the brush ring tube 20; the aperture of the drainage port 2420 is larger than the aperture of the spray hole 2411 of the nozzle 2410, and a gap 243 communicated with the water tank 11 is arranged between the drainage port 2420 and the nozzle 2410.

When water flows out from the nozzle 2410 of the injection pipe 241, because the aperture of the injection hole 2411 is small, the flow rate is increased sharply, negative pressure is formed around the nozzle 2410, and the water around is sucked into the mixing pipe 242 of the ejector together, so that the water injection amount entering the brushing ring pipe 20 is increased, and the flushing effect on the peripheral wall of the toilet bowl is improved.

In the embodiment, the drainage port 2420 of the mixing tube 242 is a bell mouth structure gradually decreasing from the water inlet end to the water outlet end, so that the drainage port 2420 can drain more surrounding water into the mixing tube 242, thereby improving the flushing effect on the peripheral wall of the toilet bowl.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a short water tank squatting pan, includes the squatting pan body and installs the flushing system on the squatting pan body, have a water tank on the squatting pan body, be located the jet of the urinal and the injection water course of intercommunication water tank and jet, just the height of water tank is equivalent with the seat ring face of squatting pan body, its characterized in that: the flushing system comprises a brush ring flushing device, a spraying flushing device and a controller, wherein the brush ring flushing device comprises a brush ring pipe and a brush ring water inlet valve arranged in a water tank, the water inlet end of the brush ring water inlet valve is connected with an external water pipe, the water outlet end of the brush ring water inlet valve is also connected with an ejector, the ejector comprises an injection pipe and a mixing pipe, the water inlet end of the injection pipe is connected with the water outlet end of the brush ring water inlet valve, and the water outlet end of the injection pipe is provided with a nozzle; the water inlet end of the mixing pipe is provided with a drainage port which is over against the nozzle, and the water outlet end of the mixing pipe is connected with the water inlet end of the brush ring pipe; the aperture of the drainage port is larger than that of the spray hole of the nozzle, and a gap communicated with the water tank is formed between the drainage port and the nozzle; the jet flushing device comprises a water tank drain valve arranged in the water tank, the water tank drain valve is used for controlling water in the water tank to flow out from a jet orifice of the toilet bowl through a jet water channel, the brush ring water inlet valve and the water tank drain valve are both air control water valves, and the controller is simultaneously connected with the brush ring water inlet valve and the water tank drain valve through an air inlet pipe, so that the controller simultaneously acts on the brush ring water inlet valve and the water tank drain valve and controls the brush ring water inlet valve and the water tank drain valve to be opened.

2. The low tank toilet of claim 1, wherein: the brush ring water inlet valve comprises a first valve body, a first water stopping assembly and a first pneumatic control assembly, wherein the first water stopping assembly and the first pneumatic control assembly are arranged in the first valve body, and the first pneumatic control assembly and the first water stopping assembly are arranged in a linkage mode to open the brush ring water inlet valve.

3. The low tank toilet of claim 2, wherein: the first valve body is internally provided with a first water inlet, a first water outlet and a back pressure cavity, the back pressure cavity is a cavity with one end open and one end closed, a pressure relief hole is formed in the closed end of the back pressure cavity, a first water stopping assembly is installed on the open end of the back pressure cavity, a first pneumatic control assembly is installed on the closed end of the back pressure cavity, a pressure relief piece capable of plugging and opening the pressure relief hole is arranged on the first pneumatic control assembly, when the pressure relief hole is plugged by the first pneumatic control assembly, the first water stopping assembly is used for plugging the first water outlet, and when the pressure relief hole is opened by the first pneumatic control assembly, the first water stopping assembly is used for opening the first water outlet under the action of water pressure.

4. A short tank toilet according to claim 3, wherein: the first water stopping assembly comprises a first valve core capable of moving in the first valve body, a first return spring for applying return elasticity to the first valve core and a first sealing piece capable of plugging the first water outlet, a piston part capable of being in movable sealing contact with the backpressure cavity is arranged at the bottom of the first valve core, and a water passing hole communicated with the backpressure cavity and the first water inlet is formed in the first valve core.

5. The low tank toilet of claim 2, wherein: first air-operated components include a first gasbag that can stretch out and draw back, cooperate the pressure release head that sets up with first gasbag and exert the second reset spring that resets elasticity to the pressure release head, the pressure release head has the shutoff section that extends to the backpressure intracavity from the pressure release hole, just set firmly on the shutoff section with the second sealing member that the pressure release hole matches the setting.

6. A short tank toilet according to claim 3, wherein: the water outlet pipe is connected with the flushing assisting pipe, extends into the first valve body from the first water inlet, a gap is formed between the outer wall of the water outlet pipe and the inner wall of the first valve body, and the inlet of the water outlet pipe is the first water outlet, so that water flow can flow through the gap between the water outlet pipe and the first valve body and flow out of the water outlet pipe.

7. The short tank toilet of claim 6, wherein: the first water stopping assembly is provided with a guide part extending into the water outlet pipe.

8. The low tank toilet of claim 1, wherein: the water tank drain valve comprises a second valve body, a second water stopping assembly and a second air control assembly, wherein the second water stopping assembly and the second air control assembly are installed in the second valve body, and the second air control assembly and the second water stopping assembly are arranged in a linkage mode to open the water tank drain valve.

9. The short tank toilet of claim 8, wherein: the second water stopping assembly comprises a valve seat and a second valve core, and a third sealing element capable of plugging a water passing hole in the valve seat is arranged on the second valve core; the second air control assembly comprises a second air bag which can stretch out and draw back, and the second air bag is in linkage with the second valve core.