CN114876021A - Vacuum toilet - Google Patents
Vacuum toilet Download PDFInfo
- Publication number
- CN114876021A CN114876021A CN202210679819.XA CN202210679819A CN114876021A CN 114876021 A CN114876021 A CN 114876021A CN 202210679819 A CN202210679819 A CN 202210679819A CN 114876021 A CN114876021 A CN 114876021A
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- China
- Prior art keywords
- water
- urinal
- spraying unit
- nozzles
- groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/40—Devices for distribution of flush water inside the bowl
Abstract
The invention discloses a vacuum closestool, which comprises a closestool seat and a water spraying unit, wherein the top of a urinal of the closestool seat is provided with an annular or strip-shaped groove which extends along the circumferential direction of the urinal, and the notch of the groove faces downwards; the water spray unit is arranged in the groove and comprises a plurality of nozzles and a plurality of water pipes, the nozzles are distributed at intervals along the circumferential direction of the groove, the adjacent nozzles are communicated with one another through the water pipes, and at least one nozzle and/or at least one water pipe is/are provided with a water inlet. The water spraying unit can be shielded by the groove, so that the problem that the water spraying unit is splashed by dirt and floats water in the scouring process is solved. Meanwhile, the invention keeps the scouring function of the nozzle, can reduce the scouring blind area and improve the scouring effect.
Description
Technical Field
The invention relates to a closestool, in particular to a vacuum closestool.
Background
The vacuum toilet bowl utilizes the mode of evacuation to take the filth out the closestool seat through the blow off pipe, consequently, the water consumption of vacuum toilet bowl is generally in 0.5 ~ 1L's scope, for traditional toilet bowl, the water consumption significantly reduces. The urinal top of the toilet seat of the existing vacuum toilet is generally provided with a plurality of relatively independent flushing nozzles for flushing the cleaning surface of the urinal, and because the flushing nozzles are in a naked state, the sewage can be splashed onto the flushing nozzles in the normal toilet process, and if the water spraying pressure is large, the flushing water is easy to occur, if the water spraying pressure is reduced, the flushing water flow is weaker, the cleaning surface between two flushing nozzles is easy to have a flushing blind area, and the cleaning surface cannot be flushed in place. In addition, some vacuum toilets use an annular water outlet pipe instead of the above-mentioned several flushing nozzles, and use a plurality of water outlet holes distributed circumferentially on the bottom of the water outlet pipe to flush the cleaning surface of the toilet bowl, however, this method has the following disadvantages: the water outlet angle of the water outlet holes is limited and is usually smaller than that of the flushing nozzle, so that a flushing blind area exists between the adjacent water outlet holes, and the adjacent water outlet holes cannot be flushed in place.
Disclosure of Invention
The invention provides a vacuum closestool aiming at the technical problems in the prior art, which solves the technical problems by improving the arrangement mode and the structure of a water spraying unit.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vacuum closestool comprises a closestool seat and a water spraying unit, wherein the top of a urinal of the closestool seat is provided with an annular or strip-shaped groove which extends along the circumferential direction of the urinal, and the notch of the groove faces downwards; the water spray unit is arranged in the groove and comprises a plurality of nozzles and one or more water pipes, the nozzles are distributed at intervals along the circumferential direction of the groove, the adjacent nozzles are communicated with one another through the water pipes, and at least one nozzle and/or at least one water pipe is/are provided with a water inlet.
Furthermore, the nozzles comprise water inlet parts and water outlet parts, the water inlet parts and the water outlet parts are arranged together and are communicated with each other, and the water inlet parts of the adjacent nozzles are communicated with each other by adopting the water pipes; the water outlet part is provided with a water outlet gap which can downwards spray fan-shaped flaky water flowers, and two ends of the water outlet gap are positioned on the circumferential direction of the groove.
Furthermore, the water outlet part comprises two water outlet sheets which are arranged oppositely, and a gap between the two water outlet sheets forms the water outlet gap.
Furthermore, one of the nozzles is positioned at the rear part of the urinal, and the nozzle is provided with the water inlet which penetrates through the rear wall of the urinal backwards.
The water spraying unit is in a bilateral symmetry mode relative to the toilet seat, at least one nozzle is arranged on the left side and the right side of a urinal of the toilet seat respectively, and at least one nozzle is arranged on the rear portion of the urinal of the toilet seat.
Furthermore, the water spraying unit is U-shaped, two ends of the water spraying unit are respectively positioned at the front positions of the left side and the right side of the urinal, and two ends of the water spraying unit form a hedging mode; the two ends of the water spraying unit are respectively provided with a nozzle, and the front ends of the water outlet gaps of the nozzles at the two ends of the water spraying unit respectively face the front side of the urinal.
Further, the water spraying unit is annular.
Furthermore, the part of the water spraying unit positioned at the front end of the urinal is a water pipe, the bottom end of the water pipe is provided with a plurality of water outlet holes distributed at intervals along the circumferential direction of the water pipe, and the water outlet holes spray flushing water flow towards the front end of the urinal.
Furthermore, the water spraying unit is sleeved with a plurality of torsion springs, and two ends of each torsion spring are respectively abutted to the inner wall of the groove. To fix the water spray unit; the longitudinal section of the groove is in an inverted U shape.
Furthermore, the toilet seat is made of ceramic materials.
Further, a sewage draining outlet is arranged at the bottom of the urinal of the toilet seat, and the sewage draining outlet faces downwards or faces towards the rear side of the toilet seat; the sewage draining exit is butted with a pipeline of a vacuum system.
Compared with the prior art, the invention has the following beneficial effects:
1. the groove is formed in the top of the toilet bowl of the toilet seat, the water spraying unit is arranged in the groove and comprises a plurality of nozzles and a plurality of water pipes, the nozzles are distributed at intervals along the circumferential direction of the groove, the adjacent nozzles are communicated by the water pipes, and at least one nozzle and/or at least one water pipe is provided with a water inlet, so that the water spraying unit can be shielded by the groove, and the problem that the water is floated in the process that the water spraying unit is splashed by dirt and washed by the water is solved. Meanwhile, the invention keeps the scouring function of the nozzle, can reduce the scouring blind area and improve the scouring effect.
2. The water outlet part of the nozzle is provided with a water outlet gap which can spray fan-shaped sheet-shaped spray downwards, so that the nozzle can form shear type washing with the cleaning surface of the urinal, thereby washing the dirt attached to the surface of the cleaning surface strongly and further improving the washing effect.
3. The water spraying unit is U-shaped or annular, and when the water spraying unit is annular, the part of the water spraying unit positioned at the front end of the urinal is a water pipe with a plurality of water outlet holes, so that the invention can solve the problem that the front end of the closestool is arc or V-shaped in appearance, so that the space is small and the nozzle is inconvenient to install, and ensure the flushing effect of the front part of the urinal.
4. The water spraying unit is installed in the groove through a plurality of torsion springs, installation is convenient, and completeness of the inner wall surface of the groove cannot be damaged.
5. The toilet seat is made of ceramic materials, is easy to process, and solves the problems of high material cost and high overall price of most of the existing vacuum toilets adopting stainless steel toilet seats.
The invention is further explained in detail with the accompanying drawings and the embodiments; a vacuum toilet of the present invention is not limited to the embodiments.
Drawings
FIG. 1 is an exploded view of a toilet seat and a water spray unit according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view (bottom up) of a water spraying unit according to the present invention;
FIG. 3 is a schematic perspective view of a first nozzle according to the present invention;
FIG. 4 is a schematic perspective view of a second nozzle according to the present invention;
FIG. 5 is a schematic perspective view of a third nozzle according to the present invention;
FIG. 6 is a perspective view of the assembled toilet seat and water spraying unit according to the first embodiment of the present invention;
FIG. 7 is a schematic perspective view of an assembled toilet seat and water spraying unit according to a first embodiment of the present invention;
FIG. 8 is a sectional view of the toilet seat and the water spray unit according to the present invention after they are assembled;
FIG. 9 is an enlarged schematic view of portion A of FIG. 8 according to an embodiment;
FIG. 10 is a schematic sectional flush view of the present invention;
FIG. 11 is an enlarged schematic view of a portion B of FIG. 10 according to an embodiment;
FIG. 12 is a cross-sectional view C-C of the present invention according to an embodiment of the present invention;
FIG. 13 is a D-D cross-sectional view of an embodiment of the present invention;
FIG. 14 is an exploded view of a toilet seat and a water spray unit according to a second embodiment of the present invention;
FIG. 15 is a schematic perspective view (bottom up) of a water spray unit according to a second embodiment of the present invention;
FIG. 16 is a schematic sectional flush view of the present invention according to a second embodiment;
FIG. 17 is a partially enlarged view of FIG. 16 according to the second embodiment;
FIG. 18 is a cross-sectional view E-E of the second embodiment of the present invention;
FIG. 19 is a sectional view taken along line F-F of the second embodiment of the present invention;
wherein, 1, the toilet seat, 11, the urinal, 111, the drain outlet, 112, the groove, 2, the water spraying unit, 21/21 '/21 ' ″ the nozzle, 211, the water inlet part, 2111, the water inlet, 212, the water outlet sheet, 2121, the water outlet gap, 22/22 ', the water pipe, 221, the water outlet hole 3 and the torsion spring.
Detailed Description
Example one
Referring to fig. 1 to 13, the vacuum toilet of the present invention includes a toilet seat 1 and a water spraying unit 2, wherein the toilet seat 1 is made of ceramic, a drain outlet 111 is disposed at the bottom of a urinal 11 of the toilet seat 1, the drain outlet 111 faces downward or toward the rear side of the toilet seat 1, and the drain outlet 111 is in butt joint with a pipeline of a vacuum system. The top of the urinal 11 of the toilet seat 1 is provided with a groove 112 extending along the circumferential direction of the toilet seat, and the notch of the groove 112 faces downwards; the water spraying unit 2 is arranged in the groove 112, the water spraying unit 2 comprises a plurality of nozzles and a plurality of water pipes 22, the nozzles are distributed along the circumferential direction of the groove 112 at intervals, the adjacent nozzles are communicated with one another through the water pipes 22, and at least one nozzle and/or at least one water pipe 22 is/are provided with a water inlet. The plurality means two or more. The longitudinal section of the groove 112 is in an inverted U shape, but is not limited thereto. The groove 112 is annular, but is not limited thereto, and in other embodiments, the groove is strip-shaped.
In this embodiment, the nozzles include a water inlet portion 211 and a water outlet portion, the water inlet portion 211 and the water outlet portion are disposed together and communicated with each other, and the water inlet portions 211 of adjacent nozzles are communicated with each other by the water pipe 22; the water outlet part is provided with a water outlet gap 2121 which can spray fan-shaped flaky water flowers downwards, and two ends of the water outlet gap 2121 are positioned on the circumferential direction of the groove 112. The water outlet part specifically includes two water outlet sheets 212 arranged oppositely, and a gap between the two water outlet sheets 212 constitutes the water outlet gap 2121.
In this embodiment, one of the nozzles is located in the middle of the rear portion of the urinal 11, and the nozzle is provided with the water inlet 2111, and the water inlet 2111 passes through the rear wall of the urinal 11 in a rearward direction. The water spray unit 2 is symmetrical with respect to the toilet seat 1, and has at least one nozzle on each of the left and right sides of the bowl 11 of the toilet seat 1, and at least one nozzle on the rear of the bowl 11 of the toilet seat 1.
In this embodiment, the water spraying unit 2 is U-shaped, and two ends of the water spraying unit 2 are respectively located at the front positions of the left and right sides of the urinal 11, and two ends of the water spraying unit 2 form a hedging mode. Nozzles are respectively arranged at two ends of the water spraying unit 2, and one ends of the water outlet gaps 2121 of the nozzles at the two ends of the water spraying unit 2 respectively face the front side of the urinal 11.
In the present embodiment, the number of the nozzles is specifically five, but is not limited thereto. The five nozzles include nozzles 21 of three different shapes, the first nozzle 21 is shown in fig. 3, the water inlet portion 211 is substantially a three-way type having three ports, one of the ports constitutes the water inlet 2111, the other two ports are respectively connected to the water pipe 22, and the water outlet portion is located at the bottom end of the water inlet portion 211. The first type of nozzle 21 is one in number and is located at a middle position in the rear of the bowl 11. As shown in FIG. 4, the second nozzle 21' has a straight water inlet 211 with two ports, the two ports are respectively connected to the water pipes 22, and the water outlet is located at the bottom of the water inlet 211. The second type nozzles 21' are two in number and are respectively provided approximately at the middle positions of the left and right sides of the urinal 11. As shown in fig. 5, the third nozzle 21' has a straight water inlet 211, one end of which has a port for connecting with the water pipe 22, and a water outlet located at the bottom of the water inlet 211 and extending to the other end of the water inlet 211, so that the water inlet 211 is shaped like a sector, and the water outlet angle is greater than 90 °. The third type nozzles 21' are two in number and are respectively located at the front end positions of the left and right sides of the urinal 11. The water inlet part 211 of each nozzle is fixedly connected with the corresponding water pipe 22 in a sleeving manner. The water pipe 22 is a hose, but is not limited thereto.
In this embodiment, the water spraying unit 2 is sleeved with a plurality of torsion springs 3, and two ends of each torsion spring 3 respectively abut against the inner wall of the groove 112 to fix the water spraying unit 2. Specifically, each torsion spring 3 is respectively sleeved on the water pipe 22 of the water spraying unit 2 and can hoop the water pipe 22, so that the torsion springs 3 are prevented from moving on the water pipe 22. The number of the torsion springs 3 is four, the four torsion springs 3 are distributed in four corners, and the water spraying unit 2 is fixed at four points. The water spraying unit 2 is installed and fixed by adopting a plurality of torsion springs 3, so that the installation is convenient and fast, and the integrity of the inner wall surface of the groove 112 cannot be damaged.
When the vacuum toilet disclosed by the invention is flushed, water enters from the water inlet 2111 of the nozzle 21 positioned at the rear part of the toilet bowl 11 and is divided into three paths, one path of water flows to the water outlet part of the nozzle 21, and the other two paths of water respectively flow to the water pipes 22 at the left side and the right side of the nozzle 21 to supply water for other nozzles and the water pipes 22. The fan-shaped sheet-shaped spray from each nozzle is obliquely flushed along the cleaning surface of the urinal 11, as shown in fig. 10 and 13, the lines in the cleaning surface of the urinal in the figures indicate the flushing water shape, and the fan-shaped sheet-shaped spray from two nozzles 21' at the front end of the urinal 11 are in a counter-flushing mode, so that the dirt attached to the cleaning surface at the front end of the urinal 11 is flushed away, and a flushing blind area is avoided. In addition, as the water spraying unit 2 is arranged in the groove 112, the water spraying unit 2 can be shielded by the groove 112, and the problem that the water spraying unit 2 is splashed by dirt and generates floating water in the flushing process is avoided. Meanwhile, the invention keeps the washing function of the nozzle, can reduce washing dead zones and improve the washing effect, and particularly, the fan-shaped flaky spray sprayed by the nozzle can form shearing type washing with the cleaning surface of the urinal 11, so that the washing range is large, the washing dead zones are reduced, the washing of the nozzle is stronger and powerful, and the washing effect is further improved.
The water spraying unit 2 is U-shaped, and the opening of the U shape corresponds to the front part of the urinal 11, so that the invention can solve the problem that the front end of the closestool is arc or V-shaped in appearance, which causes small space and is inconvenient for installing a nozzle; the nozzles 21' at both ends of the sprinkler unit 2 are formed in a hedging mode, which can secure a flushing effect of the front portion of the bowl 11.
Example two
Referring to fig. 14 to 19, a vacuum toilet according to the first embodiment of the present invention is different from the first embodiment in that: the water spraying unit 2 is annular, the part of the water spraying unit 2 positioned at the front end of the urinal 11 is a water pipe 22 ', the bottom end of the water pipe 22' is provided with a plurality of water outlet holes 221 which are distributed at intervals along the circumferential direction of the water pipe, and the water outlet holes 221 spray flushing water flow towards the front end of the urinal 11. Thus, the present invention can solve the problem that the front end of the toilet bowl is arc or V-shaped in appearance, which causes a small space and inconvenience in installing a nozzle, and ensure the flushing effect of the front part of the toilet bowl 11.
In this embodiment, the number of the nozzles is three, but is not limited thereto. The three nozzles include two different shapes of nozzles, the first type of nozzle 21 having a configuration identical or substantially identical to that of the first type of nozzle 21 of the first embodiment described above, and the second type of nozzle 21 'having a configuration identical or substantially identical to that of the second type of nozzle 21' of the first embodiment described above. The first type nozzles 21 are one in number and are located at the middle of the rear portion of the urinal 11, and the second type nozzles 21' are two in number and are located at approximately the middle of the left and right sides of the urinal 11, respectively.
In this embodiment, the water spraying unit 2 also adopts a plurality of torsion springs 3 to be installed in the groove 112, and the number of the torsion springs 3 is specifically four, wherein four torsion springs are distributed at four corners, and the other torsion springs are located in the middle of the water pipe 22'.
When the vacuum toilet disclosed by the invention is flushed, fan-shaped sheet-shaped water sprays sprayed by the nozzles are obliquely flushed along the cleaning surface of the urinal 11, the cleaning surfaces at the rear part, the left side and the right side of the urinal 11 are flushed, the water outlet holes 221 of the water pipe 22' at the front end of the urinal 11 discharge water downwards, and the cleaning surface at the front part of the urinal 11 is flushed, so that the cleaning surface of the urinal 11 is flushed in an all-around and blind area-free manner, and as shown in fig. 16 and 19, the lines in the cleaning surface of the urinal in the drawing indicate the flushing water shape.
The parts of the vacuum closestool, which are not related, are the same as the prior art or can be realized by the prior art.
The above embodiments are only intended to further illustrate the vacuum toilet of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A vacuum toilet comprises a toilet seat and a water spraying unit, and is characterized in that: the top of the urinal of the toilet seat is provided with a ring-shaped or strip-shaped groove which extends along the circumferential direction of the urinal, and the notch of the groove faces downwards; the water spray unit is arranged in the groove and comprises a plurality of nozzles and one or more water pipes, the nozzles are distributed at intervals along the circumferential direction of the groove, the adjacent nozzles are communicated with one another through the water pipes, and at least one nozzle and/or at least one water pipe is/are provided with a water inlet.
2. The vacuum toilet of claim 1, wherein: the nozzles comprise water inlet parts and water outlet parts, the water inlet parts and the water outlet parts are arranged together and are communicated with each other, and the water inlet parts of the adjacent nozzles are communicated with each other by adopting the water pipes; the water outlet part is provided with a water outlet gap which can downwards spray fan-shaped flaky water flowers, and two ends of the water outlet gap are positioned on the circumferential direction of the groove.
3. The vacuum toilet of claim 2, wherein: the water outlet part comprises two water outlet sheets which are arranged oppositely, and a gap between the two water outlet sheets forms the water outlet gap.
4. The vacuum toilet of claim 1, wherein: one of the nozzles is positioned at the rear part of the urinal, and the nozzle is provided with the water inlet which passes through the rear wall of the urinal backwards.
5. The vacuum toilet of claim 1, wherein: the water spraying unit is in bilateral symmetry relative to the toilet seat, at least one nozzle is respectively arranged on the left side and the right side of the urinal of the toilet seat, and at least one nozzle is arranged at the rear part of the urinal of the toilet seat.
6. The vacuum toilet according to any one of claims 2-4, wherein: the water spraying unit is U-shaped, two ends of the water spraying unit are respectively positioned at the front ends of the left side and the right side of the urinal, and two ends of the water spraying unit form a hedging mode; and nozzles are respectively arranged at two ends of the water spraying unit, and one ends of water outlet gaps of the nozzles at the two ends of the water spraying unit respectively face the front side of the urinal.
7. The vacuum toilet according to any one of claims 1-4, wherein: the water spraying unit is annular.
8. The vacuum toilet of claim 7, wherein: the part of the water spraying unit, which is positioned at the front end of the urinal, is a water pipe, the bottom end of the water pipe is provided with a plurality of water outlet holes which are distributed at intervals along the circumferential direction of the water pipe, and the water outlet holes spray flushing water flow towards the front end of the urinal.
9. The vacuum toilet of claim 1, wherein: the water spraying unit is sleeved with a plurality of torsion springs, and two ends of each torsion spring are respectively abutted against the inner wall of the groove so as to fix the water spraying unit; the longitudinal section of the groove is in an inverted U shape.
10. The vacuum toilet of claim 1, wherein: the toilet seat is made of ceramic materials; the bottom of the urinal of the toilet seat is provided with a sewage draining exit facing downwards or towards the rear side of the toilet seat; the sewage draining port is in butt joint with a pipeline of the vacuum system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679819.XA CN114876021A (en) | 2022-06-16 | 2022-06-16 | Vacuum toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679819.XA CN114876021A (en) | 2022-06-16 | 2022-06-16 | Vacuum toilet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876021A true CN114876021A (en) | 2022-08-09 |
Family
ID=82681434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210679819.XA Pending CN114876021A (en) | 2022-06-16 | 2022-06-16 | Vacuum toilet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114876021A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006002485A (en) * | 2004-06-18 | 2006-01-05 | Matsushita Electric Works Ltd | Stool type toilet bowl |
| CN2844245Y (en) * | 2005-08-04 | 2006-12-06 | 曹保琪 | Vacuum toilet |
| CN103930628A (en) * | 2011-10-07 | 2014-07-16 | 韩承埈 | Vacuum suction-type toilet, and method for controlling operation of vacuum suction-type toilet |
| CN206376340U (en) * | 2016-12-26 | 2017-08-04 | 湖南真创环保科技有限公司 | A kind of water-saving vacuum toilet |
| US10030377B1 (en) * | 2017-08-25 | 2018-07-24 | Acorn Engineering Company | Refill and wash down assembly, and toilet |
| CN214061861U (en) * | 2020-12-16 | 2021-08-27 | 陈苗 | Toilet bowl |
-
2022
- 2022-06-16 CN CN202210679819.XA patent/CN114876021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006002485A (en) * | 2004-06-18 | 2006-01-05 | Matsushita Electric Works Ltd | Stool type toilet bowl |
| CN2844245Y (en) * | 2005-08-04 | 2006-12-06 | 曹保琪 | Vacuum toilet |
| CN103930628A (en) * | 2011-10-07 | 2014-07-16 | 韩承埈 | Vacuum suction-type toilet, and method for controlling operation of vacuum suction-type toilet |
| CN206376340U (en) * | 2016-12-26 | 2017-08-04 | 湖南真创环保科技有限公司 | A kind of water-saving vacuum toilet |
| US10030377B1 (en) * | 2017-08-25 | 2018-07-24 | Acorn Engineering Company | Refill and wash down assembly, and toilet |
| CN214061861U (en) * | 2020-12-16 | 2021-08-27 | 陈苗 | Toilet bowl |
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