CN107083798B - Toilet bowl - Google Patents
Toilet bowl Download PDFInfo
- Publication number
- CN107083798B CN107083798B CN201710470005.4A CN201710470005A CN107083798B CN 107083798 B CN107083798 B CN 107083798B CN 201710470005 A CN201710470005 A CN 201710470005A CN 107083798 B CN107083798 B CN 107083798B
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- Prior art keywords
- urinal
- sewage
- arc
- sewage discharge
- water
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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
- E03D11/12—Swivel-mounted bowls, e.g. for use in restricted spaces slidably or movably mounted bowls; combinations with flushing and disinfecting devices actuated by the swiveling or sliding movement 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
- 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
- E03D11/135—Supports for bowls
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
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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
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Epidemiology (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a closestool, which comprises a closestool body; the front upper part of the closestool body is provided with a sewage receiving port, and the bottom of the closestool body is provided with a sewage outlet; the method is characterized in that: the closestool body comprises a urinal and a base which are formed independently; the urinal is provided with a sewage receiving port, the rear upper part of the urinal is provided with a sewage outlet, the sewage receiving port and the sewage outlet are communicated through a sewage discharge channel, and the whole trap of the sewage discharge channel is turned by about 90 degrees from back to front; a sewage discharge pipe which is vertically arranged as a whole is fixedly arranged on the base, the upper end of the sewage discharge pipe is a sewage inlet exposed outside the base, and the lower end of the sewage discharge pipe forms a sewage outlet; the rear part of the urinal is rotatably arranged on the base, so that the urinal can be turned upwards around the rear part to be vertical and positioned at a standby position and be horizontal and positioned at a use position; when in the standby position, the sewage outlet of the urinal is in butt joint communication with the sewage inlet of the sewage discharge pipe. The closestool has the advantages of good flushing effect, obvious water saving, good application prospect and popularization value.
Description
Technical Field
The invention belongs to the field of sanitary ware, and particularly relates to a closestool.
Background
A toilet (also called as a toilet bowl) is a common sanitary ware, and the toilet is an indispensable part in urban life due to the advantages of beautiful appearance, comfortable use and the like.
The current closestool mainly adopts hydrocone type soil pick-up principle, and hydrocone type soil pick-up principle is through the whole trap that is the type of falling U or S that sets up at the end of blow off pipe come with the pipeline intercommunication that links to each other with the septic tank in the building, and after flushing water and making the trap fill water, can make the both ends formation pressure differential of trap produce suction to sewage mixture in the blow off pipe is siphoned away.
However, the minimum water consumption for a single flush of a toilet with excellent water saving performance (for example, "water saving king 5061" manufactured by the Dongpo sanitary company) on the market at present is 3.5L-if the average daily single person is used for 6 times at minimum, the daily water consumption per person is 21L (which is 18.9L larger than the capacity of standard barreled water). Therefore, at present, when water resources are increasingly deficient, the high water consumption required by using the closestool causes great water resource waste and does not meet the requirements of energy conservation and emission reduction.
Based on this, the applicant considers to design a closestool with simple and reasonable structure and better water-saving effect.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a simple structure is reasonable, the better closestool of water conservation effect.
In order to solve the technical problems, the invention adopts the following technical scheme:
a toilet includes a toilet body; the lower part of the closestool body is a floor support part, the front upper part of the closestool body is provided with a sewage receiving port, the inner bottom of the closestool body is provided with a sewage discharge port, the sewage receiving port is communicated with the sewage discharge port through a sewage discharge channel, the front section of the sewage discharge channel is integrally in a bucket-shaped cavity structure, and the rear section of the sewage discharge channel is provided with a trap capable of forming a siphon effect; the method is characterized in that:
the closestool body comprises a urinal and a base which are formed independently;
the integral shape of the urinal is a long-strip shell type structure extending in the front and the back, the front upper part of the urinal is provided with the sewage receiving port, the rear part of the urinal is integrally closed, the rear upper part of the urinal is provided with the sewage outlet, the sewage receiving port and the sewage outlet are communicated through the sewage discharge channel, and the integral trap of the sewage discharge channel is turned by about 90 degrees from back to front;
the base forms the floor support part, a blow-off pipe which is vertically arranged integrally is fixedly arranged on the base, the upper end of the blow-off pipe is a sewage inlet exposed outside the base, and the lower end of the blow-off pipe forms the blow-off port;
the rear part of the urinal is rotatably arranged on the base, the urinal can be turned upwards around the rear part to be vertical, the urinal is positioned at a standby position at the moment, and the urinal can also be turned downwards around the rear part to be transverse, and the urinal is positioned at a use position at the moment; when the urinal is in a standby position, the sewage outlet of the urinal is in butt joint communication with the sewage inlet of the sewage discharge pipe; when the urinal is in the use position, the sewage outlet of the urinal is separated from the sewage inlet of the sewage discharge pipe;
the urinal turning limiting structure is used for limiting the urinal when the urinal is turned to a standby position or a use position.
The advantages are described below in connection with the use of the toilet of the invention:
firstly, before use, the urinal is in a standby position; when in use, the urinal is turned to the use position for the defecation of the human body;
then, after defecation is finished, the urinal is turned over to a standby position (the whole urinal is vertical) again, and then the following beneficial flushing effect can be obtained by flushing water into the sewage receiving port:
because, the appearance of urinal is whole to be the strip shell type structure that extends in front and back, and when upset urinal to standby position (the urinal is whole to be vertical), the position that connects dirty mouthful is higher than the position that goes out dirty mouthful greatly, can make the water that dashes into through the dirty mouthful of connecing of urinal have bigger gravitational potential energy promptly, so, utilize this water of bigger gravitational potential energy to obtain better washing clean effect.
In addition, the water with higher gravitational potential can obtain a faster downward flushing speed under the action of gravity and flush the water towards the inlet of the trap, so that the trap can be filled more quickly and sufficiently and a siphon action is formed, and a mixture of defecation and flushing in the urinal can be sucked away quickly. It will be appreciated that the toilet of the invention can be used with a smaller volume of water (but it will be appreciated by those skilled in the art that the flush volume is never below the minimum volume required to fill the trapway) to quickly and fully fill the trapway and create a siphoning effect, resulting in better water conservation and flushing cleaning than prior art toilets.
In addition, when the urinal is in the use position, the structure that the sewage outlet on the urinal is positioned at the rear upper part of the urinal can effectively prevent the leakage of the excrement in the urinal when the urinal is in the use position or in the process of turning the urinal to the standby position, thereby playing the role of maintaining the sanitation of the use of the toilet.
Furthermore, the whole appearance of the urinal is in a shape of a small front and a big back.
Therefore, the manufacturing materials of the urinal can be saved, and the weight of the urinal is reduced; the front end of the urinal is more convenient to hold during turning, and the turning operation of the urinal is easier and simpler.
Further, the closestool also comprises an arc-shaped slide rail and a slide block for installation, wherein the slide block for installation is slidably clamped on the arc-shaped slide rail; the arc opening of the arc slide rail is upward and is integrally and fixedly arranged on the base, and the rear part of the urinal is fixedly connected with the installation slide block and can be rotatably arranged on the base;
the overturning limiting structure comprises two limiting stop blocks fixedly arranged on the arc-shaped sliding rail at intervals.
The structure that the rear part of the urinal can be rotatably arranged on the base by adopting the structure of the arc-shaped sliding rail and the sliding block for installation has the advantages of simple structure and convenient assembly.
Further, a boss is convexly formed on the rear side of the upper surface of the base, the front side surface of the boss and the adjacent upper surface of the base form an arc-shaped surface for bonding together, and the axial direction of the arc-shaped surface for bonding is parallel to the ground;
the inner part of the base and the inner part of the boss are both hollow structures which are communicated with each other, and the radian of the arc-shaped sliding rail is consistent with that of the arc-shaped surface for attaching and is integrally arranged in the hollow structure behind the arc-shaped surface; a strip-shaped hole for abdicating the mounting sliding block is arranged on the arc-shaped surface for attaching in a penetrating way along the radian direction; a sewage discharge hole is formed in the lower part of the arc-shaped surface and is connected with a sewage inlet of the sewage discharge pipe in a sealing manner;
the rear part of the urinal is integrally of a transversely arranged cylindrical structure, and the arc outer side surface of the cylindrical structure is connected with the arc surface for fitting in a sliding fit manner.
By adopting the structure that the arc-shaped sliding rail is arranged in the base, the arc-shaped sliding rail can be better hidden, so that the closestool disclosed by the invention is more concise and attractive in appearance.
In addition, after the structure that the rear part of the urinal is connected with the fit arc-shaped surface in a sliding fit mode is adopted, the sealing of the sewage outlet at the rear part of the urinal before sewage discharge can be formed through surface-to-surface fit, and the odor is effectively prevented from overflowing through the sewage outlet.
Further, the arc-shaped slide rails are two arc-shaped surfaces which are arranged at intervals in the axial direction of the arc-shaped surface for fitting and are positioned on two sides of the sewage discharge hole.
Therefore, the urinal can be supported more stably, and the whole structure of the toilet is more reliable and durable.
Further, the closestool also comprises a flushing structure, wherein the flushing structure comprises a mounting seat, a water spraying hole and a flushing valve;
the upper part of the boss extends upwards to form the mounting seat, the mounting seat can be opposite to the sewage receiving port of the urinal in a standby position, and the surface of the mounting seat facing the sewage receiving port is provided with the water spraying hole;
the flushing valve is fixedly installed on the installation seat, a water inlet of the flushing valve is used for being connected with an output port of a tap water pipe, and a water outlet of the flushing valve is connected with the water spraying hole.
Adopt the bath structure of integrated installation on the boss of base, not only can improve the holistic integrated level of base to and the compactedness of base structure, do benefit to production and processing. And the flushing operation can be more convenient. And the structure that the water inlet of the flushing valve is directly connected with the output port of the tap water pipe is adopted, so that the whole flushing structure is simplified.
Further, the flushing valve is a time-delay flushing valve.
In this way, the delay time and flow rate of the flush valve can be adjusted as desired. The operation of the flushing valve is more convenient, the flushing effect is better, and meanwhile, water is better saved.
Further, a water spraying bulge is arranged on the surface of the mounting seat, which can be just opposite to the sewage receiving port of the urinal in the standby position, the water spraying bulge is provided with an upper inclined surface and a lower inclined surface, the upper inclined surface faces to the upper front part, and the lower inclined surface faces to the lower front part;
the hole for water spraying includes hole for water spraying for defecating and hole for water spraying for urine, just hole for water spraying for defecating set up in go up the inclined plane, hole for water spraying for urine set up in down the inclined plane.
Therefore, the double-control switch for the large and small water quantities and the two-way water distribution design can be realized through the structural design of the 'water spraying hole for excrement and the water spraying hole for urine', the flushing in all directions and different regions can be realized according to different flushing requirements of excrement and urine, the flushing is performed in a key mode in a serious pollution region, and the water utilization efficiency is higher.
Further, the surface of the mounting seat around the water spraying protrusion can be attached and connected with a sewage receiving opening of the urinal in a standby position.
Therefore, the dirt receiving opening of the urinal and the surface of the mounting seat around the water spraying bulge are attached and connected to form a closed space, so that the outward transmission of noise generated when the urinal is flushed can be effectively prevented, and the closestool is more quiet and comfortable to use.
Further, the closestool also comprises a negative pressure sewage suction structure, wherein the negative pressure sewage suction structure comprises a bypass pipe, an air suction mechanism and a one-way conduction clapboard;
one end of the bypass pipe is an air inlet end, and the other end of the bypass pipe is an air outlet end; the air inlet end is in sealed communication with a pipe section between the outlet of the trap and the sewage discharge outlet, and the air outlet end is in sealed communication with an air suction port of the air suction mechanism;
the baffle for unidirectional conduction is integrally and repositionably hinged to the inner wall at the sewage discharge port, and the baffle for unidirectional conduction can be in unidirectional conduction from top to bottom and can separate the pipeline at the sewage discharge port when in reposition.
After the negative pressure sewage suction structure is adopted, the sewage suction force of a siphon effect can be increased by the negative pressure sewage suction structure when water is flushed, a better water saving effect is achieved, and a better flushing sewage suction effect can be obtained. The water consumption is really reduced, the defect of high water consumption in the conventional toilet flushing is overcome, and the requirements of energy conservation and emission reduction are better met.
Compared with the prior art, the closestool provided by the invention has the following beneficial technical effects:
1. the traditional (siphon) toilet needs to put water in the urinal to a very high water level, and the siphon effect can be generated only by utilizing the pressure difference generated by the height difference, and then the sewage can be flushed away, so that a very large water volume is needed.
The closestool adopts a design combining folding and negative pressure sewage suction, can help the trap to quickly generate siphon effect by utilizing the negative pressure generated by air suction of the piston, and simultaneously has the advantages of large siphon suction force (strong sewage suction force), high flushing cleanliness, quick flushing and small water consumption.
2. The water tank structure of the traditional closestool is abandoned, the pressure of the tap water pipe network is fully utilized, and the suck-back phenomenon cannot be generated to pollute the tap water pipe network, so that the closestool structure is more simplified, and the indoor installation space is more saved.
3. The improved flushing mode of the closestool can obtain the advantages of high flushing flow rate and strong flushing force, and further improves the flushing cleaning effect and the water-saving effect.
4. The users are prevented from being troubled by odor through a plurality of isolation links, and the indoor sanitary environment is greatly improved. The closed flushing strategy also allows family members to avoid noise nuisance even when used at night. The optimized pipeline design ensures that the flushing resistance is smaller, the flushing is cleaner and the water is saved.
5. The closestool is a sanitary facility which is required to be used by people every day, and the closestool is ingenious in design and thought, novel and unique in appearance and full of interest in daily life.
6. The closestool is concise and fashionable in appearance and smooth and attractive in lines. The folding state is like a sculpture, the surface is smooth and glossy, the folding state is very coordinated with various indoor design styles, and the folding state can be appreciated as an artwork. The folding design effectively saves indoor space, is really a model for effectively utilizing space at present when the house is developed towards small house types, and accords with the development trend of society and fashion.
Drawings
Figure 1 is a side view of a toilet of the present invention (the bowl in the use position).
Fig. 2 is a front view of the toilet of the present invention (with the bowl in the use position).
Figure 3 is a side view of the toilet of the present invention (the bowl in a ready to use position).
Fig. 4 is a top view of the toilet of the present invention (the bowl in a ready-to-use position).
Fig. 5 is a side perspective view of a toilet of the present invention (the bowl in use position).
Fig. 6 is a front perspective view of the toilet of the present invention (the bowl in use position).
Fig. 7 is a side perspective view of the toilet of the present invention (the bowl in a ready-to-use position).
Fig. 8 is a top perspective view of the toilet of the present invention (the bowl in a ready-to-use position).
Labeled in the figure as:
1, urinal: a sewage receiving port 11, a sewage outlet port 12 and a water trap 13;
2, base: a sewage discharge outlet 21, a sewage discharge pipe 22, a sewage inlet 23, a boss 24, an arc-shaped surface for 25 attaching, an arc-shaped sliding rail 26 and a sliding block for 27 installing;
the flushing structure: 31 mounting seat, water spraying hole (32 for excrement and 33 for urine), 34 water spraying projection;
negative pressure soil pick-up structure: 41, 42, a one-way conduction clapboard and 43 a limiting block;
the air suction mechanism comprises: the flexible pipe 51, the piston 52, the lug 53, the fixing rod (the starting end and the terminating end) for the piston 54, the reset spring 55, the fixing rod for the push block 56, the push block 57 and the pull piece (the pull end) for the push block 58;
a locking device: the locking pin 61, the locking pin 62 (locking end and limiting end), the unlocking element 63 (unlocking end).
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Where descriptive terms such as upper, lower, left, right, etc., are used for descriptive purposes to aid the reader's understanding and are not intended to be limiting.
1. The following is one of the most preferred toilets of the present invention:
as shown in fig. 1 to 8, a toilet bowl includes a toilet bowl body; the lower part of the closestool body is a floor support part, the front upper part of the closestool body is provided with a sewage receiving port 11, the inner bottom of the closestool body is provided with a sewage outlet 21, the sewage receiving port 11 is communicated with the sewage outlet 21 through a sewage discharge channel, the whole front section of the sewage discharge channel is of a bucket cavity structure, and the rear section of the sewage discharge channel is provided with a trap 13 capable of forming a siphon effect;
the closestool body comprises a urinal 1 and a base 2 which are formed independently;
the whole appearance of the urinal 1 is in a long-strip shell type structure extending in the front and the back, the front upper part of the urinal 1 is provided with the sewage receiving port 11, the whole back part of the urinal 1 is in a closed shape, the rear upper part of the urinal is provided with the sewage outlet 12, the sewage receiving port 11 and the sewage outlet 12 are communicated through the sewage discharge channel, and the whole trap 13 of the sewage discharge channel is turned by about 90 degrees from back to front;
the base 2 forms the floor support part, a blow-off pipe 22 which is vertically arranged integrally is fixedly arranged on the base 2, the upper end of the blow-off pipe 22 is a blow-off inlet 23 exposed outside the base 2, and the lower end of the blow-off pipe forms the blow-off outlet 21;
the rear part of the urinal 1 is rotatably arranged on the base 2, so that the urinal 1 can be turned upwards around the rear part to be vertical, the urinal 1 is positioned at a standby position at the moment, and the urinal 1 can also be turned downwards around the rear part to be transverse, and the urinal 1 is positioned at a use position at the moment; when the urinal 1 is in a standby position, the sewage outlet 12 of the urinal 1 is in butt joint communication with the sewage inlet 23 of the sewage discharge pipe 22; when the urinal 1 is in a use position, the sewage outlet 12 of the urinal 1 is separated from the sewage inlet 23 of the sewage discharge pipe 22;
the urinal also comprises a turnover limiting structure used for limiting the position of the urinal 1 when the urinal is turned to a standby position or a use position.
In practice, the "the rear part of the urinal 1 is rotatably mounted on the base 2" can be realized by adopting the following structure:
two rotary supporting seats (not shown in the figure) which are mutually spaced are convexly formed on the upper surface of the base 2, and the left side and the right side of the rear part of the urinal 1 are respectively fixedly provided with a rotating shaft which can be rotatably inserted on the corresponding rotary supporting seats.
The advantages are described below in connection with the use of the toilet of the invention:
firstly, before use, the urinal 1 is in a standby position; when in use, the urinal 1 is turned to the use position for the defecation of the human body;
then, after defecation is finished, the urinal 1 is turned to a standby position (the urinal 1 is vertical as a whole) again, and then the following beneficial flushing effects can be obtained by flushing water into the sewage receiving port 11:
because the whole appearance of the urinal 1 is a strip-shaped shell-and-die structure extending in the front and back, and when the urinal 1 is turned over to a standby position (the whole urinal 1 is vertical), the position of the dirt receiving opening 11 is greatly higher than the position of the dirt outlet 12, that is, the water flushed through the dirt receiving opening 11 of the urinal 1 has higher gravitational potential energy, so that the better flushing and cleaning effects can be obtained by utilizing the water with the higher gravitational potential energy.
In addition, the water with higher gravitational potential can obtain a faster downward velocity under the action of gravity and can be flushed toward the inlet of the trapway 13, so that the trapway 13 can be filled more quickly and sufficiently and a siphon action can be formed, and a mixture of defecation and flushing water in the urinal 1 can be sucked away quickly. It will be appreciated that the toilet of the present invention can be used with a smaller volume of water (but it will be understood by those skilled in the art that the volume of flush water is never below the minimum volume required to fill the trapway 13) to quickly and fully fill the trapway 13 and create a siphoning action, resulting in better water conservation and flush cleaning than existing toilets.
In addition, when the urinal 1 is in the use position, the structure of the 'the sewage outlet 12 on the urinal 1 is positioned at the rear upper part of the urinal 1' can effectively prevent the leakage of the excrement in the urinal 1 when the urinal 1 is in the use position or in the process of turning the urinal 1 to the standby position, thereby playing the role of keeping the toilet sanitary in use.
Wherein the whole appearance of the urinal 1 is in a shape of a small front and a big back.
Thus, the manufacturing materials of the urinal 1 can be saved, and the weight of the urinal 1 can be reduced; the front end of the urinal 1 is more convenient to hold during turning, and the turning operation of the urinal 1 is easier and simpler.
The toilet further comprises an arc-shaped slide rail 26 and a slide block 27 for installation, wherein the slide block 27 for installation is slidably clamped on the arc-shaped slide rail 26; the arc opening of the arc slide rail 26 is upward and is integrally and fixedly installed on the base 2, and the rear part of the urinal 1 is fixedly connected with the installation slide block 27 and is rotatably installed on the base 2;
the overturning limiting structure comprises two limiting stop blocks fixedly arranged on the arc-shaped sliding rail 26 at intervals.
In practice, one of the following various existing structures can be adopted between the installation sliding block 27 and the arc-shaped sliding rail 26 to realize the "slidable clamping" structure:
a. the section of the arc-shaped slide rail 26 is in an inverted T shape, and the installation slide block 27 is slidably clamped on the arc-shaped slide rail 26 through two rows of rollers which are vertically arranged at intervals;
b. the section of the arc slide rail 26 is I-shaped, the end surface of the slide block 27 for installation is 20866B-shaped, and the inner side of the lower end of the slide block 27 for installation is provided with two clamping bulges which are clamped in the side surfaces of the arc slide rail 26 in a sliding way.
The structure that the rear part of the urinal 1 is rotatably arranged on the base 2 by adopting the structures of the arc-shaped sliding rails 26 and the sliding blocks 27 for installation has the advantages of simple structure and convenient assembly.
However, in practice, it is preferable that "the rear portion of the urinal 1 is rotatably mounted on the base 2" is realized by adopting the following structure:
a boss 24 is convexly formed on the rear side of the upper surface of the base 2, the front side surface of the boss 24 and the adjacent upper surface of the base 2 jointly form an arc-shaped surface 25 for fitting, and the axial direction of the arc-shaped surface 25 for fitting is parallel to the ground;
the inner part of the base 2 and the inner part of the boss 24 are both a hollow structure which is communicated with each other, and the radian of the arc-shaped slide rail 26 is consistent with that of the arc-shaped surface 25 for fitting and is integrally arranged in the hollow structure behind the arc-shaped surface; a strip-shaped hole for abdicating the mounting sliding block 27 is arranged on the arc-shaped surface 25 for bonding in a penetrating way along the radian direction; a sewage draining hole is arranged at the lower part of the arc-shaped surface and is hermetically connected with a sewage inlet 23 of the sewage draining pipe 22;
the whole rear portion of urinal 1 is horizontal cylindrical structure that sets up, and the arc lateral surface of this cylindrical structure with arc surface 25 sliding fit links to each other for the laminating.
By adopting the structure that the arc-shaped slide rail 26 is arranged in the base 2, the arc-shaped slide rail 26 can be better hidden, so that the closestool disclosed by the invention is simpler and more attractive in appearance.
In addition, after the structure that the rear part of the urinal 1 is connected with the arc-shaped surface 25 for jointing in a sliding fit mode is adopted, the sealing of the sewage outlet 12 at the rear part of the urinal 1 before sewage discharge can be formed through surface-to-surface jointing, and the odor is effectively prevented from overflowing through the sewage outlet 12.
The two arc-shaped sliding rails 26 are axially arranged on the arc-shaped surface 25 at intervals and are positioned on two sides of the sewage discharge hole.
Therefore, the urinal 1 can be supported more stably, and the whole structure of the toilet is more reliable and durable.
The closestool also comprises a flushing structure, wherein the flushing structure comprises a mounting seat 31, a water spraying hole and a flushing valve;
the mounting seat 31 is formed by extending upward the upper part of the boss 24, the mounting seat 31 can be opposite to the sewage collecting port 11 of the urinal 1 in the standby position, and the surface of the mounting seat 31 facing the sewage collecting port 11 is provided with the water spraying hole;
the flushing valve is fixedly installed on the installation seat 31, a water inlet of the flushing valve is used for being connected with a tap water pipe output port, and a water outlet of the flushing valve is connected with the water spraying hole.
Adopt the bath structure of integrated installation on the boss 24 of base 2, not only can improve the holistic integrated level of base 2 to and the compactness of base 2 structure, do benefit to production and processing. And the flushing operation can be more convenient. And the structure that the water inlet of the flushing valve is directly connected with the output port of the tap water pipe is adopted, so that the whole flushing structure is simplified.
Wherein, the flashing valve is the time delay flashing valve.
In this way, the delay time and flow rate of the flush valve can be adjusted as desired. The operation of the flushing valve is more convenient, the flushing effect is better, and meanwhile, water is better saved.
Wherein, a water spraying bulge 34 is arranged on the surface of the mounting seat 31 which can be just opposite to the sewage receiving opening 11 of the urinal 1 in the standby position, the water spraying bulge 34 is provided with an upper inclined surface and a lower inclined surface, the upper inclined surface faces to the upper front part obliquely, and the lower inclined surface faces to the lower front part obliquely;
the hole for water spraying includes a hole for water spraying 32 for stool and a hole for water spraying 33 for urine, and the hole for water spraying 32 for stool is provided in the upper inclined plane, and the hole for water spraying 33 for urine is provided in the lower inclined plane.
Therefore, the double-control switch for the large and small water quantities and the two-way water distribution design can be realized through the structural design of the excrement water spray hole 32 and the urine water spray hole 33, the flushing in all directions and different areas can be realized according to different flushing requirements of excrement and urine, the flushing is mainly performed on the seriously polluted area, and the water utilization efficiency is higher.
Wherein the surface of the mounting seat 31 around the water-spraying protrusion 34 can be in close contact with the waste collection port 11 of the toilet bowl 1 in the standby position.
Thus, the surface of the mounting seat 31 around the water-spraying protrusion 34 and the dirt receiving opening 11 of the toilet bowl 1 are attached to each other to form a relatively closed space, which effectively prevents the outward transmission of noise generated when the toilet bowl 1 is flushed, and makes the toilet of the present invention more quiet and comfortable to use.
The toilet further comprises a negative pressure sewage suction structure, wherein the negative pressure sewage suction structure comprises a bypass pipe 41, an air suction mechanism and a one-way conduction partition plate 42;
one end of the bypass pipe 41 is an air inlet end, and the other end is an air outlet end; the air inlet end is in sealed communication with a pipe section between the outlet of the trap 13 and the sewage discharge outlet 21, and the air outlet end is in sealed communication with an air suction port of the air suction mechanism;
the baffle for unidirectional conduction is integrally installed on the inner wall of the sewage draining exit 21 in a resettable and hinged mode, and the baffle for unidirectional conduction can be conducted from top to bottom in a unidirectional mode and can cut off the pipeline at the position when the baffle is reset.
When in implementation, the unidirectional guide general baffle is hinged with the hinge seat on the inner wall of the sewage draining exit 21 through the hinge shaft sleeved with the torsion spring, a limiting block 43 is fixedly arranged at the hinge seat and is used for blocking the unidirectional guide baffle and enabling the reset unidirectional guide baffle to separate the pipeline, and the inner wall of the sewage draining exit 21 is far away from the hinge seat. Thereby the negative pressure dirt absorbing function of the negative pressure dirt absorbing structure can be smoothly implemented.
After the negative pressure sewage suction structure is adopted, the negative pressure sewage suction structure can help to increase the sewage suction force of the siphon action when flushing, and a better water-saving effect is achieved, and meanwhile, a better sewage flushing and sucking effect can be obtained. The water consumption is really reduced, the defect of large water consumption in the conventional toilet flushing is overcome, and the requirements of energy conservation and emission reduction are better met.
In practice, the air suction mechanism may be an electrically driven suction fan (not shown), and the start button of the suction fan is linked with the button of the flush switch. However, it is preferable to use the following suction mechanism:
the air suction mechanism comprises a telescopic hose 51, a piston 52, a fixing rod 54 for the piston 52, a return spring 55, a locking device, a fixing rod 56 for a push block, a push block 57 and a push block pulling piece 58;
the whole telescopic hose 51 is of a telescopic strip-shaped structure, one end of the telescopic hose 51 is fixedly connected with the air outlet end of the bypass pipe 41 in a sealing manner, and the other end of the telescopic hose 51 is fixedly connected with the piston 52 in a sealing manner;
the piston 52 is integrally a straight strip-shaped structure by using a fixing rod 54; one end of the fixing rod 54 for the piston 52 is a starting end, and the other end is a terminating end, wherein the starting end is adjacent to the gas outlet end of the bypass pipe 41, and the terminating end extends in the direction far away from the gas outlet end of the bypass pipe 41 and is fixed; the edge of the piston 52 is convexly provided with an installation support lug 53 which is slidably sleeved on a fixed rod 54 for the piston 52, and the return spring 55 is connected between the installation support lug 53 and the fixed rod 54 for the piston 52;
the locking device comprises a fixed seat 61, a locking pin 62 and an unlocking piece 63; the locking pin 62 is slidably arranged on the fixing seat 61 back and forth, one end of the locking pin 62 is a locking end, and the other end is a limiting end; the locking end can be exposed outside the fixed seat 61 and points to the starting end of the fixing rod 54 for the piston 52, and the top of the locking end is a pushing and guiding surface gradually decreasing from the starting end to the terminating end of the fixing rod 54 for the piston 52; the limiting end is limited in the fixed seat 61, and a compression spring is arranged between the limiting end and the fixed seat 61 in an abutting mode; the outer side of the edge of the piston 52 is concavely provided with a locking groove matched with the locking end of the locking pin 62; the unlocking piece 63 is integrally of a strip-shaped structure, one end of the unlocking piece 63 penetrates through the side wall of the fixing seat 61 and is fixedly connected with the side wall of the locking pin 62, and the side wall of the fixing seat 61 is provided with a yielding hole for the unlocking piece 63 to slide back and forth along with the locking pin 62; the other end of the unlocking piece 63 is an unlocking end;
the fixed rod 56 for the push block is a straight strip-shaped structure which is parallel and parallel to the fixed rod 54 for the piston 52, and the push block is slidably sleeved on the fixed rod 56 for the push block and can be abutted against the end face of the piston 52;
the push block pulling piece is strip-shaped, one end of the push block pulling piece is connected with the push block, and the other end of the push block pulling piece forms a pulling end.
When the air suction mechanism is used, the pushing block pushes the piston 52 to move towards the starting end of the piston 52 fixing rod through the pulling end of the pushing block pulling piece, so that the piston 52 is finally locked by the locking end of the locking pin 62, and meanwhile, the return spring 55 is also in a tensioning energy storage state.
When negative pressure suction is required, the unlocking end of the unlocking piece 63 is operated to retract the locking pin 62, and the locking of the piston 52 by the locking pin 62 is released. Subsequently, the piston 52 is rapidly moved toward the end of the piston 52 fixed to the rod by the tension of the return spring 55 and the bellows 51 is sucked.
In conclusion, the air suction mechanism is of a mechanical structure, simple and reasonable in structure, and convenient and environment-friendly to use. In addition, the reciprocating motion of the piston 52 along the rod fixed to the piston 52 also easily removes a small amount of fecal sewage sucked by the telescopic hose 51, thereby performing a self-cleaning function.
Wherein, the unlocking piece 63 is a connecting rod structure, and the unlocking end is linked with a flushing button of the closestool body.
The unlocking member 63 has a simple structure, and is easily and rapidly manufactured in batch. And after the unlocking end is linked with the flushing button of the closestool body, the unlocking end can be operated along with the flushing button to flush water, so that the closestool is more convenient and quicker to use.
Wherein, the ejector pad pulling piece is one of pulling rope or pulling rod.
In practice, the pulling end of the pulling member of the pushing block is preferably connected with the mounting sliding block 27 which is connected with the arc-shaped guide rail in a sliding fit manner. Therefore, when the urinal 1 is turned over, the push block pulling piece can be pulled synchronously to pull the push block so that the piston 52 is locked by the locking end of the locking pin 62, and the operation is more intelligent, simple and convenient.
The push block pulling piece has the advantages of simple structure and convenience in processing and production.
Wherein, the telescopic hose 51 is provided with a plurality of steel rings in a nested manner, and the steel rings are arranged at intervals along the length direction of the telescopic hose 51.
The arrangement of the steel ring can not only prevent the flexible hose 51 from deforming, but also maintain the reliable air suction function of the flexible hose 51.
The floor support part of the toilet body is internally provided with an installation cavity, and the whole air suction mechanism is arranged in the installation cavity.
Therefore, the whole appearance of the closestool is more concise and beautiful.
The intake end of the bypass pipe 41 is inclined downward as a whole.
Therefore, a large amount of filth discharged from the pipe section between the outlet of the trap 13 and the sewage outlet 21 can fall to the one-way conduction partition plate 42 under the action of gravity, so that the filth is difficult to be sucked into the bypass pipe 41 under the action of negative pressure, the smoothness of the bypass pipe 41 can be maintained for a long time while the cleaning effect in the bypass pipe 41 is maintained better, and the negative pressure suction function can be ensured to be reliable and lasting.
The toilet workflow and advantages are described below in terms of a single toilet use.
The bowl 1 of the toilet is in a standby position prior to use (see figures 7 and 8), with the plunger 52 and slider at the far left end of the figure, the flexible hose 51 in an extended position, and the return spring 55 in a natural position.
When the urinal 1 is used, the urinal 1 is placed to a use position (see figures 4 and 5), the push block pulling piece hinged on the mounting slide block 27 pulls the slide block to move rightwards in the rotating process of the urinal 1, meanwhile, the piston 52 is pushed and locked by the locking device, the spring is in an extension state, and the telescopic hose 51 is in a compression state. After the user finishes using, the urinal 1 is turned upwards to the standby position, the slide block returns to the leftmost initial position, and the piston 52 cannot act due to being locked. Then, a user presses a flushing button to start flushing, water flow is respectively sprayed from the large water outlet and the small water outlet to flush the toilet, the damping type valve is gradually restored to the initial position until the valve is closed, when the damping type valve reaches a middle set position, the damping type valve is unlocked by the unlocking piece 63 (linkage lever) through the piston 52, the piston 52 rapidly moves leftwards under the action of the tension force of the return spring 55, the flexible hose 51 extends and sucks air simultaneously, a siphonage phenomenon is rapidly generated in the toilet 1, and sewage is rapidly discharged. The above is one working cycle of the toilet.
On the basis of the design of the traditional closestool, the closestool removes dregs and takes essence, saves the bathroom space while keeping the advantages of deodorization, low noise and the like of the traditional closestool, and provides a choice for optimizing more comfortable bathroom space for people; meanwhile, the principle that the siphon flushing process is realized by utilizing the pressure formed by the height difference of the liquid level of the traditional closestool is changed, the phenomenon of siphon generation caused by negative pressure due to the fact that the piston 52 sucks air is utilized, the water consumption is really reduced, the defect of high water consumption of the traditional closestool is overcome, the concept of green life is embodied, a large amount of water resources are saved unconsciously for people, and certain contribution is made to the sustainable development of the society.
The closestool adopts the design of turnover (folding) and mechanical vacuum in structure, the closestool urinal 1 can be folded, so that the flushing noise is low, the space is saved, the mechanical vacuum design (air suction mechanism) not only saves the water consumption, but also can obtain better flushing effect, and the closestool can take the advantages of direct flushing type toilets and siphon type toilets into consideration.
Meanwhile, the design of the closestool takes the traditional closestool as the basis of the design, the simplicity and the realizability of the design are considered on the premise of ensuring water conservation and saving space, the closestool is not selected to be intelligently designed, and elements which can cause pollution such as a sensor, a dry battery and the like are avoided, so that the product really achieves the green and energy conservation, the production cost is reduced, a new choice is provided for the decoration of common household bathrooms in future, the closestool is a real resource-saving product, and the closestool is suitable for large-scale production and popularization.
In conclusion, the closestool has good application prospect and popularization value.
2. The following is a verification of the toilet of the present invention including specific parameters and its water saving performance
2.1 piston Stroke and suction volume calculation
The stand-by position and the use position are shown in fig. 5 and 7, the rotation radius of the end point of the transmission connecting rod B is r =18cm, and the initial state of the connecting rod is an A-B working state and is A '-B'. The included angle between A '-B' and the vertical direction is theta =60 degrees. The distance between A and A', i.e. the piston stroke L = + (r-) (1)
Calculated L =30cm.
The piston diameter d =10cm,
suction volume V a ＝×L＝2.4L (2)
2.2 flushing process mathematic model
The toilet flush process can be divided into three phases:
(1) The toilet flushing faucet starts to spray water for flushing, so as to remove dirt adhered to the inner wall of the toilet and fully mix the dirt with the water. Water consumption V at this stage 1 Depending on the water flow impulse and whether the polluted surface is effectively washed or not;
(2) The two ends of the toilet drain pipe reach enough pressure difference to generate siphonage, and the sewage is drained quickly. Water consumption V at this stage 2 Depending on how fast the siphon phenomenon occurs and the cross-sectional area and length of the toilet bowl waste pipe
(3) After the sewage discharge process is finished, the water seal is formed again. Water consumption V at this stage 3 Depending on the design the water is held back.
2.2.1 effluent flow velocity and flow
Water outlet of flushing tapFlow rate of Q c Velocity v of flow c . According to the test, the average flushing water consumption is V 1 ＝1.2L。
2.2.2 siphon Process flow
The duration of the siphon process is designed to be t, and the designed suction volume of the piston is designed to be V a Designed inspiratory time t 0 . Then t 0 Volume of fluid flowing through section a-b in time is V t0 The flow rate is Q. It is assumed that the fluid flow starts at the same time as the piston suction and is a uniform varying process. Then there are:
V t0 ＝εV a (3)
Q＝ (4)
in the formula: and epsilon is a correction coefficient introduced by considering gas expansion and pipeline air leakage factors, and is 0.9.
The cross-sectional area of the pipeline with the section a-b is designed to be A ab Then:
a-b section fluid velocity v ab ＝Q/A ab
After the piston finishes air suction, a natural siphon phenomenon is generated. The following section energy equations 1-1, 2-2:
Z 1 +P 1 /ρg+α 1 v1 2 ＝Z 2 +P 2 /ρg+α 2 v2 2 +H l1-2 (5)
another H 0 ＝(Z 1 -Z 2 )+(P 1 -P 2 )/ρg+(α 1 v1 2 -α2v 2 2 ) (6)
Thus H 0 ＝H l1-2 ＝S H Q V 2 (7)
Q v ＝ (8)
The natural siphon duration is t-t 0 Then, there are:
natural siphon water yield V t-t0 ＝Q v ×(t-t 0 ) (9)
Water consumption V in siphoning process can be obtained 2 ＝V t-t0
2.2.3 Water seal reestablishment
Design water seal water storage quantity as V 3 =0.98L, water consumption for water seal reconstruction is equal toV 3 。
In summary, the theoretical water consumption V = V for single flushing of the closestool 1 +V 2 +V 3 。
2.3 flushing effect verification mathematical model
According to the method for testing the flushing performance of the ceramic pedestal pan specified by the American ceramic sanitary standard, the ceramic pedestal pan with the weight of 0.155g +/-0.005 g, the diameter of 6.35mm +/-0.25 mm and the density of 1170 +/-20 kg/m is selected 3 The nylon balls of (1) were tested.
The impact force of the small ball in the flushing process is F = CA d ×ρv 2 ， (10)
The buoyancy force borne by the small ball is f = rho gV d ， (11)
Wherein C is resistance coefficient, and 0.44 is taken;
rho-water density, 1000kg/m 3 ；
v-flow velocity of water flow, m/s
A d The maximum cross-sectional area of the pellet, ㎡ ；
V d volume of the pellet, m 3 。
If the ball can move upwards, F + (F-G) sin theta > 0 (12) is required
Substituting (10) and (11) into (12) to obtain:
v＞＝v min minimum flow rate required for upward movement of the pellets
V is solved min ＝0.16m/s
According to the change process of the fluid speed, two times t are necessarily existed 1 、t 2 Let v (t) 1 )＝v(t 2 )＝v min
As long as the pellet can cross the c-d section, it must be flushed away, knowing that:
only the integral multiple of t1 t2 v (t) dt > = s, the globules can be washed away, see fig. 6.
As mentioned above, the cross-sectional flow velocity of the siphoning process a-b is v ab The siphoning process can be approximated as a constant flow rate process with v ab X t > = s, namely, the small balls can be washed away, so that the washing effect can be achieved.
2.4 case calculation results
According to various design parameters, there is t 0 ＝0.5s，l＝5cm，h＝10cm，
Solving to obtain v ab ＝2.2m/s＞v min ＝0.16m/s,
And has v ab ×t0＝1.1m＞＝s＝0.11m，
So the water can be completely flushed, the flushing effect is very good, and the water consumption V in the siphoning process is reduced 2 ＝V t-t0 =0. As mentioned above, the average amount of flushing water V 1 =1.2L, design water seal water storage V 3 =0.98L. The available one-time flushing water consumption V = V 1 +V 2 +V 3 =2.18L. The theoretical water consumption of the toilet for single flushing is 2.18L, which is 4L compared with the water consumption of the best toilet product on the market, and compared with the water consumption of the toilet for single flushing, the water saving rate of the toilet is more than 45%.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several changes and modifications can be made without departing from the technical solution, and the technical solution of the changes and modifications should be considered as falling within the scope of the claims of the present application.
Claims (5)
1. A toilet includes a toilet body; the lower part of the closestool body is a floor support part, the front upper part of the closestool body is provided with a sewage receiving port, the inner bottom of the closestool body is provided with a sewage discharge port, the sewage receiving port is communicated with the sewage discharge port through a sewage discharge channel, the front section of the sewage discharge channel is integrally in a bucket cavity structure, and the rear section of the sewage discharge channel is provided with a trap capable of forming a siphon effect; the method is characterized in that:
the closestool body comprises a urinal and a base which are formed independently;
the integral shape of the urinal is a long-strip shell type structure extending in the front and the back, the front upper part of the urinal is provided with the sewage receiving port, the rear part of the urinal is integrally closed, the rear upper part of the urinal is provided with the sewage outlet, the sewage receiving port and the sewage outlet are communicated through the sewage discharge channel, and the integral trap of the sewage discharge channel is turned by about 90 degrees from back to front;
the base forms the floor support part, a blow-off pipe which is vertically arranged integrally is fixedly arranged on the base, the upper end of the blow-off pipe is a sewage inlet exposed outside the base, and the lower end of the blow-off pipe forms the blow-off port;
the rear part of the urinal is rotatably arranged on the base, the urinal can be turned upwards around the rear part to be vertical, the urinal is positioned at a standby position at the moment, and the urinal can also be turned downwards around the rear part to be transverse, and the urinal is positioned at a use position at the moment; when the urinal is in a standby position, the sewage outlet of the urinal is in butt joint communication with the sewage inlet of the sewage discharge pipe; when the urinal is in a use position, the urinal sewage outlet is separated from the sewage inlet of the sewage discharge pipe;
the urinal is used for placing the urinal in a standby position or a use position;
the mounting sliding block can be clamped on the arc-shaped sliding rail in a sliding manner; the arc opening of the arc-shaped sliding rail faces upwards and is integrally and fixedly arranged on the base, and the rear part of the urinal is fixedly connected with the installation sliding block and can be rotatably arranged on the base;
the overturning limiting structure comprises two limiting stop blocks fixedly arranged on the arc-shaped sliding rail at intervals;
a boss is convexly formed on the rear side of the upper surface of the base, the front side surface of the boss and the adjacent upper surface of the base form an arc-shaped surface for bonding together, and the axial direction of the arc-shaped surface for bonding is parallel to the ground;
the inner part of the base and the inner part of the boss are both hollow structures which are communicated with each other, and the radian of the arc-shaped sliding rail is consistent with that of the arc-shaped surface for attaching and is integrally arranged in the hollow structure behind the arc-shaped surface; a strip-shaped hole for abdicating the mounting sliding block is arranged on the arc-shaped surface for attaching in a penetrating way along the radian direction; a sewage discharge hole is formed in the lower part of the arc-shaped surface and is connected with a sewage inlet of the sewage discharge pipe in a sealing manner;
the rear part of the urinal is integrally of a transversely arranged cylindrical structure, and the arc outer side surface of the cylindrical structure is connected with the arc surface for fitting in a sliding fit manner;
the flushing structure comprises a mounting seat, a water spraying hole and a flushing valve;
the upper part of the boss extends upwards to form the mounting seat, the mounting seat can be opposite to the sewage receiving port of the urinal at a standby position, and the surface of the mounting seat facing the sewage receiving port is provided with the water spraying hole;
the flushing valve is fixedly arranged on the mounting seat, a water inlet of the flushing valve is connected with an output port of a tap water pipe, and a water outlet of the flushing valve is connected with the water spraying hole;
the flushing valve is a time-delay flushing valve;
a water spraying bulge is arranged on the surface of the mounting seat, which can be just opposite to the sewage receiving port of the urinal in a standby position, and is provided with an upper inclined surface and a lower inclined surface, the upper inclined surface faces to the upper front side, and the lower inclined surface faces to the lower front side;
the water spraying holes comprise a defecation water spraying hole and a urine water spraying hole, the defecation water spraying hole is formed in the upper inclined plane, and the urine water spraying hole is formed in the lower inclined plane.
2. The toilet of claim 1, wherein: the whole shape of the urinal is in a shape with a small front part and a big back part.
3. The toilet of claim 1, wherein: the arc-shaped slide rails are two arc-shaped surfaces which are arranged at intervals in the axial direction of the arc-shaped surface for bonding and are positioned on two sides of the sewage discharge hole.
4. The toilet of claim 1, wherein: the surface of the mounting seat around the water spraying protrusion can be attached and connected with a sewage receiving opening of the urinal in a standby position.
5. The toilet of claim 1, wherein: the negative pressure sewage suction structure comprises a bypass pipe, an air suction mechanism and a one-way conduction clapboard;
one end of the bypass pipe is an air inlet end, and the other end of the bypass pipe is an air outlet end; the air inlet end is in sealed communication with a pipe section between the outlet of the trap and the sewage discharge outlet, and the air outlet end is in sealed communication with an air suction port of the air suction mechanism;
the baffle for unidirectional conduction is integrally and repositionably hinged to the inner wall at the sewage discharge port, and the baffle for unidirectional conduction can be in unidirectional conduction from top to bottom and can separate the pipeline at the sewage discharge port when in reposition.
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| CN108118768A (en) * | 2017-11-23 | 2018-06-05 | 广州市首试科技有限公司 | A kind of closestool with spinfunction |
| CN111827434A (en) * | 2019-04-16 | 2020-10-27 | 王韵翔 | J-shaped bent splash-proof hidden toilet |
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