WO2017121363A1

WO2017121363A1 - Water-conserving toilet

Info

Publication number: WO2017121363A1
Application number: PCT/CN2017/071018
Authority: WO
Inventors: 吴爱民; 谢文清; 郭介山
Original assignee: 厦门优胜卫厨科技有限公司
Priority date: 2016-01-14
Filing date: 2017-01-13
Publication date: 2017-07-20
Also published as: CN105464184A; CN105464184B

Abstract

A water-conserving toilet comprises a toilet body (4) and a water tank (5) integrated therewith. A water inlet valve (1), a water outlet valve (2), and a directional control valve component (3) are disposed in the water tank (5). The water inlet valve (1) is connected to a water supply system. The toilet body (4) comprises a water ejection pipe (41) disposed therein and configured to wash the bottom of the toilet body (4), a washing pipe (42) disposed in the toilet body (4) and configured to wash the wall of the toilet body (4), and a separation wall (43) disposed between the water tank (5) and the water ejection pipe (41). The separation wall (43) comprises independently a water outlet valve installation opening (432) and a directional control valve component installation opening (433). The water outlet valve (2) and the directional control valve component (3) are tightly and sealedly installed respectively at the water outlet valve installation opening (432) and directional control valve component installation opening (433) on the separation wall (43).

Description

Water saving toilet

[0001] The present invention relates to a water saving toilet.

Background technique

[0002] Chinese Patent Database CN202831138U discloses a mounting structure for a one-way valve for a toilet, in which a one-way isolation valve is installed in a total water delivery pipe of a toilet, and the one-way isolation valve is in a drain state. In order to enable the water flow to pass through the injection pipe and the scrubbing pipe, the one-way isolation valve is closed in the non-drainage state to seal the injection pipe from the brushing pipe; since the air pressure in the injection pipe is smaller than the outside air pressure, the injection pipe is After the water is flushed, there will be water and it will not be used up every time. The next time the bottom of the toilet is flushed, the pre-stored water in the injection pipe can directly act on the siphon pipe, saving the stroke of the water. Greatly improve the flushing effect.

technical problem

[0003] However, since the one-way isolation valve is installed in the total water delivery pipe located under the water tank, and the portion of the total water delivery pipe that communicates the brushed pipe is narrow and relatively concealed, the installation of the one-way isolation valve often requires special The fixture has a long time, and the sealing after installation is difficult to guarantee. These problems are more prominent in the one-piece toilet.

Problem solution

Technical solution

[0004] In view of the deficiencies of the prior art, an object of the present invention is to provide a water-saving toilet that is quick and easy to install and has a good flushing effect.

[0005] The water-saving toilet of the present invention includes a toilet body and a water tank, and the toilet body is provided with a spray pipe for flushing the bottom of the toilet body, and a brushing pipe for flushing the peripheral wall of the toilet body. a drain valve is disposed in the water tank, wherein the drain valve outlet is connected to the injection pipeline, and the water tank is provided with a one-way valve assembly that communicates the injection pipeline and the brushing pipeline, and the one-way valve assembly is provided with one-way In the drain state, the water flows into the injection pipe, and the water flow causes the check valve to open, so that the water flows through the check valve assembly into the brushing pipe; the non-drainage state 吋, the check valve closes the brush pipe and the jet The pipes are isolated from each other.

[0006] Preferably, the toilet body is integrally formed with the water tank.

[0007] Preferably, a partition wall is disposed between the injection pipe and the water tank, and the check valve assembly and the drain valve are independently sealed and disposed on the partition wall.

[0008] Preferably, the one-way valve assembly comprises a one-way valve body, a seat joint, and a connecting pipe for sealingly connecting the one-way valve body and the seat joint, the seat ring joint is connected with the brush pipe inlet, The connecting tube is made of a flexible material.

[0009] Preferably, the one-way valve body comprises a cylinder, the lower end of the cylinder is a water inlet, the water inlet is connected with the injection pipeline, and the cylinder is further provided with a side edge, the side The side port valve is connected to the brush pipe through the connecting pipe and the seat ring joint; the one-way valve assembly is further provided with a one-way valve sealing port for closing the water inlet, the one-way valve sealing port is located directly above the water inlet; The one-way valve sealing port is provided with a horizontal rotating shaft away from the side edge of the side opening, and the horizontal rotating shaft is rotatably connected to a one-way valve piece which can seal the sealing port of the one-way valve, and the one-way valve piece comprises a circular blocking piece and a valve positioning sleeve integrally connected to the edge of the circular blocking piece, the valve piece positioning sleeve being sleeved on the horizontal rotating shaft.

[0010] Preferably, a blocking rod is integrally connected to the inner wall of the upper end of the cylinder, and the axial line of the blocking rod is parallel to the horizontal rotating shaft, and the angle of the one-way valve rotating along the horizontal rotating shaft is less than 90 degrees.

[0011] Preferably, the water tank is further provided with a connecting pipe integrally formed with the water tank, the connecting pipe is connected to the brushing pipe, and the check valve assembly is installed in the connecting pipe.

[0012] Preferably, the one-way valve assembly is provided with an overflow pipe, and the overflow pipe is in communication with the brushing pipe.

[0013] Preferably, the water tank is further provided with an overflow pipe integrally formed therewith, and the overflow pipe is in communication with the scrubbing pipe.

[0014] Preferably, the one-way valve assembly is provided with a one-way valve sealing port, the one-way valve sealing port being lower than the brushing pipe inlet.

Advantageous effects of the invention

Beneficial effect

[0015] 1. The water-saving toilet of the present invention, the drain valve outlet is connected to the injection pipe, and the water tank is provided with a one-way valve assembly connecting the injection pipe and the brushing pipe, and the one-way valve assembly is provided with one-way Valve; in the drain state, the water flows into the injection pipe, and the water flow causes the check valve to open, allowing the water to flow through the check valve assembly. Into the scrubbing pipe; non-drainage state 吋, the check valve is closed to isolate the scrubbing pipe from the jet pipe. Therefore, the installation process of the entire check valve assembly is quick and convenient in the large and obvious water tank, the installation precision is high, and the sealing performance after installation is ensured. At the same time, after each drainage flush, the injection pipe is isolated from the outside air. Under the action of atmospheric pressure, the injection pipe stores a potential energy water below the water cover above the water cover for the next drainage flushing, thereby reducing the water consumption. Improved the flushing effect of the toilet to achieve efficient water saving.

[0016] 2. For the one-piece toilet body integrally formed with the toilet body and the water tank, the present invention can also realize the quick installation of the one-way valve assembly, and the installation precision is high, and high-efficiency water saving is realized.

[0017] 3. The separation pipe is disposed between the injection pipe and the water tank, and the check valve assembly and the drain valve are independently sealed and disposed on the partition wall, and the water tank space is fully utilized, and the structure is simple, and is suitable for various specifications. Drain valve.

[0018] 4. The one-way valve assembly includes a one-way valve body, a seat joint, and a connecting tube for sealingly connecting the one-way valve body and the seat joint, the seat ring joint is connected to the brush pipe inlet, one-way The valve assembly is simple and easy to assemble, and the connecting tube is made of a flexible material to facilitate sealing connection and to facilitate proper adjustment during installation.

[0019] The one-way valve body comprises a cylinder, the lower end of the cylinder is a water inlet, the water inlet is connected with the injection pipeline, and the cylinder is further provided with a side edge, the side The mouthpiece is connected to the brushing pipe through the connecting pipe and the seat ring joint; the one-way valve assembly is further provided with a one-way valve sealing port for closing the water inlet, the one-way valve sealing port is located directly above the water inlet; The one-way valve sealing port is provided with a horizontal rotating shaft away from the side edge of the side opening, and the horizontal rotating shaft is rotatably connected to a one-way valve piece which can seal the sealing port of the one-way valve

The one-way valve piece includes a circular blocking piece and a valve positioning sleeve integrally connected to the edge of the circular blocking piece, and the valve piece positioning sleeve is sleeved on the horizontal rotating shaft. A blocking rod is integrally connected to the inner wall of the upper end of the cylinder, and the axial line of the blocking rod is parallel to the horizontal rotating shaft, and the angle of the one-way valve rotating along the horizontal rotating shaft is less than 90 degrees. The water pressure automatically drives the one-way valve to rotate to realize the closing of the one-way valve, and the structure is simple, and the same lever is provided to prevent the rotation angle from being too large and it is difficult to return.

[0020] 6. The water tank is further provided with a connecting pipe integrally formed with the water tank, the connecting pipe is connected to the brushing pipe, the one-way valve assembly is installed in the connecting pipe, and the connecting pipe can be used as an overflow pipe It is used, so there is no need to install an overflow pipe and the structure is simple.

[0021] 7. The one-way valve assembly is provided with an overflow pipe, and the overflow pipe is connected with the brushing pipe to make the structure inside the water tank The arrangement is simpler.

[0022] 8. The water tank is further provided with an overflow pipe integrally formed therewith, and the overflow pipe communicates with the brushing pipe to make full use of the water tank space, so that the structure arrangement in the water tank is simpler.

[0023] 9. The one-way valve assembly is provided with a one-way valve sealing port, the one-way valve sealing port is lower than the brushing pipe inlet, so after the drainage is completed, the one-way valve is closed, there is a part of the water flow Backflow back to the check valve to enhance the seal.

Brief description of the drawing

DRAWINGS

1 is a plan view of Embodiment 1 - E of the present invention;

2 is a schematic structural diagram of Embodiment 1 - E of the present invention;

3 is a cross-sectional view taken along line A-A of FIG. 1 according to Embodiment 1 - E of the present invention;

4 is a partial enlarged view of B in FIG. 3 according to Embodiment 1 - E of the present invention; [0027] FIG.

[0028] FIG. 5 is a schematic structural view of an embodiment of the present invention;

Figure 6 is a perspective cross-sectional view showing an embodiment of the present invention;

7 is a schematic structural diagram of Embodiment 3 of the present invention: E.

Embodiments of the invention

[0031] The technical solutions of the present invention are further illustrated and described below with reference to the accompanying drawings.

[0032] Embodiment 1

[0033] As shown in FIG. 1, the water-saving toilet of the present invention comprises a toilet body 4 and a water tank 5, and the water tank 5 and the toilet body 4 are integrally formed, and the water tank 5 is provided with an inlet valve 1 and a drain valve 2. The check valve assembly 3, the inlet valve 1 is connected to the water supply system. 2, Fig. 3, the toilet body 4 is provided with an injection duct 41 for washing the bottom of the toilet body 4, and a brushing duct 42 for flushing the peripheral wall of the toilet body 4. A partition wall 43 is disposed between the water tank 5 and the injection pipe 41. The partition wall 43 is separately provided with a drain valve mounting port 431 and a check valve assembly mounting port 432. The drain valve 2 and the check valve assembly 3 are respectively sealed and mounted on the partition wall 43. The upper drain valve mounting port 431 and the check valve assembly mounting port 432.

[0034] The outlet of the drain valve 2 communicates with the injection conduit 41, and the scrubbing conduit 42 communicates with the injection conduit 41 through the one-way valve assembly 3. . The one-way valve assembly 3 includes a one-way valve body 31, a one-way valve 32, a connecting pipe 33, a race joint 34 and a one-way valve sealing port 35 for sealingly connecting the one-way valve body 31 and the race joint 34 The seat ring 34 is connected to the inlet of the brushing duct 42. The connecting tube 33 is preferably a flexible material to facilitate sealing connection and to facilitate proper adjustment during installation.

[0035] In the same way, since the toilet generally needs to be replenished to the toilet water seal for odor-dissipating, in this embodiment, in order to further simplify the structure, an overflow pipe for overflowing and hydrating is not provided on the drain valve 2, and preferably, Rather, an overflow conduit 36 is provided in the one-way valve assembly 3 in communication with the scrubbing conduit 42. The top of the overflow conduit 36 is flushed above the working level of the water tank 5. Therefore, in the embodiment, the check valve assembly 3 has an "h" shape, the upper end is an overflow pipe 36, the lower end is connected to the injection pipe 41 via the partition wall 43, and the side is connected to the seat ring 34 through the connecting pipe 33 to wash the pipe. 42.

4, the check valve body 31 of the present embodiment includes a cylinder 311, the lower end of the cylinder 311 is a water inlet 312, and the water inlet 312 is sealingly disposed on the partition wall 43 and connected to the injection pipe 41. The upper end of the 311 is connected to the overflow pipe 36. The cylinder 311 is provided with a side port 313, and the side port 313 is connected to the seat ring 34 through the connecting pipe 33 to brush the pipe 42. A one-way valve sealing port 35 for closing the water inlet 312 is disposed directly above the water inlet port 31 2 , and a one-way valve sealing port 35 is disposed away from the side edge port 313 - a horizontal rotating shaft 314 is disposed on the horizontal rotating shaft 314 a one-way valve piece 321 which can seal against the one-way valve sealing port 35. The one-way valve piece 321 comprises a circular blocking piece and a valve positioning sleeve integrally connected to the edge of the circular blocking piece, and the valve positioning sleeve is set horizontally. On the rotating shaft 314, a blocking rod 315 is integrally connected to the inner wall of the upper end of the cylinder 311, and the axial line of the blocking rod 315 is coplanar with the horizontal rotating shaft 314. The baffle is preferably arranged such that the one-way flap 321 is rotated at an angle of less than 90 degrees along the horizontal axis 314.

[0037] Of course, the structure of the one-way valve 32 may also be other rotary type, flip type or translation type, which is not limited herein. The one-way valve 32 is movable along a trajectory on the one-way valve body 31 to open or close the one-way valve seal port 35, including but not limited to rotation and movement. Preferably, the one-way valve sealing port 35 is lower than the inlet of the brushing pipe 4 2, so that after the draining is completed and the one-way valve is closed, a part of the water flows back to the upper side of the one-way valve 32 to enhance the sealing function.

[0038] The following describes the toilet drainage work process of the present embodiment:

[0039] When the drain valve 2 is activated, the water stored in the water tank 5 is divided into two paths by the outlet of the drain valve 2 into the injection duct 41, and one path is ejected from the injection duct injection port 411 along the injection duct 41 to the bottom of the toilet body 4. rinse, The other water enters the check valve assembly 3, and the check valve 32 is activated by the water flow, and the water flows through the connecting pipe 33 into the brushing pipe 42 to flush the peripheral wall of the toilet body 4. During the rinsing, water fills the injection conduit 41 and the scrubbing conduit 42.

[0040] When the drainage is completed, the check valve 32 is no longer closed by the action of the water flow, so that the brushing pipe 42 and the injection pipe 41 are isolated from each other, thereby functioning to isolate the outside air from entering the injection pipe 41, and the helium injection pipe 41 is maintained. Filled with water or nearly full of water, thus storing a potable water for the next flush. When the drain valve 2 is drained next time, the water flow no longer needs to overcome the air resistance in the injection pipe 41 to refill the injection pipe 41. For the toilet using the siphon discharge, the stored water directly accelerates the formation of the siphon, and the same is obtained. In terms of flushing effect, the amount of water required is reduced to achieve water conservation.

[0041] Since the whole check valve assembly is disposed in a large and obvious water tank, the one-way valve assembly is quick and convenient to install, the installation precision is high, and the sealing performance after installation is ensured. At the same time, after each drainage flush, the injection pipe is isolated from the outside air. Under the action of atmospheric pressure, the injection pipe stores a potential energy water below the water cover above the water cover for the next drainage flushing, thereby reducing the water consumption. Improved the flushing effect of the toilet to achieve efficient water saving.

Embodiment 2

[0043] As shown in FIGS. 4 and 5, in addition to the inlet valve 1 and the drain valve 2, the water tank 5 of the water-saving toilet is further provided with a body formed of the water tank 5 as compared with the first embodiment. The connecting pipe 51 is connected to the brushing pipe 42, and the check valve assembly 3 is installed in the connecting pipe 51 for communicating the injection pipe 41 and the brushing pipe 42.

[0044] The working process of this embodiment is basically the same as that of the first embodiment. After the drain valve 2 is activated, the water stored in the water tank 5 is divided into two paths by the outlet of the drain valve 2 into the injection pipe 41, and the toilet is placed along the injection pipe 41. The bottom of the body 4 is flushed, the other water enters the check valve assembly 3, and the check valve 32 in the check valve assembly is pulled into the brushing duct 42 through the connecting pipe 51 to flush the peripheral wall of the toilet body 4. During the rinsing process, the water fills the injection conduit 41 and the scrubbing conduit 42.

[0045] When the drainage is completed, the check valve 32 is no longer closed by the water pressure, so that the brushing pipe 42 and the injection pipe 41 are isolated from each other, thereby functioning to isolate the outside air from entering the injection pipe 41, and the injection pipe 41 is kept filled with water. Or close to a state filled with water, thereby storing a potable water supply for the next flushing use. After the drain valve 2 is drained again, the water no longer needs to be refilled with the injection duct 41, for the use of siphon discharge When the toilet is used, the solution speeds up the siphoning and flushes more quickly.

[0046] The solution is directly connected to the connecting pipe 51 formed by the water tank 5 in the water tank 5, and the connecting pipe 51 can be used as an overflow pipe, so that no additional overflow pipe is needed, and the structure is simple.

[0047] Embodiment 3

[0048] In the first embodiment, the overflow and hydration of the toilet are disposed on the one-way valve assembly 3. The main difference between the embodiment and the embodiment is as shown in FIG. 6. The overflow pipe 36 is directly integrally formed in the water tank 5 and the brushing pipe 42. In connection, the water supply pipe of the inlet valve 1 is directly inserted into the overflow pipe 36.

The preferred embodiments of the present invention have been shown and described above, and it is understood that the invention is not limited to the forms disclosed herein, and should not be construed as being Modifications, modifications, and environments, and modifications can be made by the above teachings or related art or knowledge within the scope of the inventive concept described herein. All changes and modifications made by those skilled in the art are intended to be within the scope of the appended claims.

Industrial applicability

[0050] The installation process of the entire one-way valve assembly of the present invention is quick and convenient to install in a large and obvious water tank, and the installation precision is high, and the sealing performance after installation is ensured. At the same time, after each drainage flush, the injection pipe is isolated from the outside air. Under the action of atmospheric pressure, the injection pipe stores a potential energy water below the water cover above the water cover for the next drainage flushing, thereby reducing the water consumption. Improved the flushing effect of the toilet to achieve efficient water saving.

Claims

Claim

The water-saving toilet comprises a toilet body and a water tank, the toilet body is provided with a spray pipe for flushing the bottom of the toilet body, and a brushing pipe for flushing the peripheral wall of the toilet body, wherein the water tank is provided a drain valve, wherein the drain valve outlet communicates with the injection pipe, the water tank is provided with a one-way valve assembly that communicates the injection pipe and the brush pipe, and the one-way valve component is provided with a one-way valve; Entering the injection pipe, the same water flow causes the one-way valve to open, so that the water flows through the one-way valve assembly into the brushing pipe; in the non-drainage state, the one-way valve is closed to isolate the brushing pipe from the injection pipe.

A water-saving toilet according to claim 1, wherein the toilet body is integrally formed with the water tank.

The water-saving toilet according to claim 1, wherein a partition wall is provided between the injection duct and the water tank, and the check valve assembly and the drain valve are independently sealed from the partition wall.

The water-saving toilet according to claim 1, wherein the one-way valve assembly comprises a one-way valve body, a seat joint, and a connecting pipe for sealingly connecting the one-way valve body and the seat joint, The seat ring joint is connected to the brush pipe inlet, which is made of a flexible material.

The water-saving toilet according to claim 4, wherein the one-way valve body comprises a cylinder, the lower end of the cylinder is a water inlet, the water inlet is connected to the injection pipe, and the cylinder is further a side edge opening is provided, the side edge opening is connected to the brushing pipe through the connecting pipe and the seat ring joint; the one-way valve assembly is further provided with a one-way valve sealing port for closing the water inlet, the single The sealing valve sealing port is located directly above the water inlet; the one-way valve sealing opening is provided with a horizontal rotating shaft away from the side edge of the side opening, and the horizontal rotating shaft is rotatably connected to a one-way sealing sealing mouth of the one-way valve The valve piece, the one-way valve piece comprises a circular blocking piece and a valve piece positioning sleeve integrally connected to the edge of the circular blocking piece, and the valve piece positioning sleeve is sleeved on the horizontal rotating shaft.

The water-saving toilet according to claim 5, wherein a flange is integrally connected to an inner wall of the upper end of the cylinder, and a shaft line of the rod is parallel to a horizontal shaft, the single The angle of rotation of the valve piece along the horizontal axis is less than 90 degrees.

[Claim 7] The water-saving toilet according to claim 1, wherein the water tank is further provided with a connecting pipe integrally formed with the water tank, the connecting pipe is connected to the brushing pipe, and the one-way valve assembly Installed in the connecting pipe.

[Claim 8] The water-saving toilet according to any one of claims 1 to 6, wherein the check valve assembly is provided with an overflow pipe, and the overflow pipe is in communication with the brush pipe.

[Claim 9] The water-saving toilet according to any one of claims 1 to 6, wherein the water tank is further provided with an overflow pipe integrally formed therewith, and the overflow pipe is in communication with the brush pipe.

[Claim 10] The water-saving toilet according to any one of claims 1 to 7, wherein the one-way valve assembly is provided with a one-way valve sealing port, and the one-way valve sealing port is lower than Brushing pipe inlet

[Claim 11] The water-saving toilet according to claim 7, wherein the connecting pipe is an overflow pipe having a top opening and a mouth position higher than a working water level of the water tank.

[Claim 12] The water-saving toilet according to claim 8, wherein the one-way valve assembly has an "h" shape, the upper end is an overflow pipe, the lower end is connected to the injection pipe, and the side is connected to the brush. Pipe

[Claim 13] The water-saving toilet according to claim 1, wherein the one-way valve assembly is provided with a one-way valve sealing port, and the one-way valve is a rotary type, a flip type or a translation type, The one-way valve moves along a certain path on the one-way valve body to open or close the one-way valve sealing port.