CN109183940B

CN109183940B - Water closet for waste water utilization

Info

Publication number: CN109183940B
Application number: CN201811307539.6A
Authority: CN
Inventors: 傅松
Original assignee: Taizhou Hemo Decoration Design Co Ltd
Current assignee: Taizhou hemo Decoration Design Co., Ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2020-12-08
Anticipated expiration: 2038-11-05
Also published as: CN109183940A

Abstract

The invention discloses a flush toilet for waste water utilization, which comprises a toilet body, a water tank arranged on the toilet body, a tank cover matched with the water tank and an additional toilet water tank arranged between the water tank and the tank cover, wherein the additional toilet water tank is arranged between the water tank and the tank cover; the water tank comprises a water inlet pipe, a water inlet valve for introducing water flow and a water outlet valve for discharging water flow; a button piece is arranged on the box cover; the closestool additional water tank comprises a tank body, a water replenishing pipe arranged on the tank body and a time delay device matched with the water outlet valve and the button piece; according to the invention, through the arrangement of the additional water tank, after sewage is discharged, the water tank can be used again by using clean water, and through the arrangement of the time delay device, the closestool can be flushed again by using the water which passes through the water tank again, so that dirt in the sewage can not remain on the water tank and the closestool, the cleanliness of the closestool is ensured, and the body health of a user is ensured.

Description

Water closet for waste water utilization

Technical Field

The invention belongs to the technical field of flush toilets, and particularly relates to a flush toilet for waste water utilization.

Background

The water crisis is a global fact, and countless learners are concerned about the palpitation; water conferences were held in united nations as early as 1977, giving a strict warning all over the world: water will soon become a profound social crisis, and the next crisis after the oil crisis is water; an era of using water as inexhaustible resources has passed, and an era of using water as a precious resource has come.

In order to better utilize water resources, a lot of domestic sewage can still be recycled, for example, a water-saving closestool disclosed in the Chinese patent CN207211280U, wherein a barrel comprises a washing basin, a connecting water pipe, a main water tank, an auxiliary water tank, a partition plate, a water valve switch, a water tank cover, a switch, an overflow pipe, a toilet bowl, a main water pipe, a drain valve, a ball float valve and a flushing hole; the main water tank and the auxiliary water tank are connected to the rear end of the toilet bowl and are separated by a partition plate, a water valve communicated with the main water tank and the auxiliary water tank is arranged at the bottom of the partition plate, and a water valve switch is arranged on the outer side of the auxiliary water tank and connected with the water valve at the bottom of the control partition plate; the washing basin is connected with the main water tank through a connecting water pipe, an overflow pipe is arranged on the connecting water pipe, and the position of the overflow pipe is flush with the position of an upper water level of the main water tank; the wall of the main water tank is provided with a switch which is connected with a drain valve through a control rope, and the main water tank is communicated with the toilet bowl through the drain valve and a flushing hole; the auxiliary water tank is connected with the main water pipe, and a ball float valve is arranged in the auxiliary water tank.

Although the closestool can be flushed by utilizing domestic sewage, the storage amount of the domestic wastewater is limited, and after the closestool is flushed by the sewage, the sewage in the sewage and the sewage is remained, so that bacteria breeding in the closestool is caused, and the body health of a user is influenced.

Disclosure of Invention

The invention provides a water closet for waste water utilization, which overcomes the defects of the prior art and can not cause residual sewage.

In order to achieve the purpose, the invention adopts the following technical scheme: a flush toilet for waste water utilization comprises a toilet body, a water tank arranged on the toilet body, a tank cover matched with the water tank, and an additional toilet water tank arranged between the water tank and the tank cover; the water tank comprises a water inlet pipe, a water inlet valve for introducing water flow and a water outlet valve for discharging water flow; a button piece is arranged on the box cover; the closestool additional water tank comprises a tank body, a water replenishing pipe arranged on the tank body and a time delay device matched with the water outlet valve and the button piece; the additional water tank of the closestool is arranged, so that the water tank can be directly used for loading sewage, and the additional water tank of the closestool is arranged above the water tank, so that after the sewage is flushed through the closestool, clear water can flush one side of the closestool, the residue of dirt is avoided, and the cleanliness of the closestool is kept; the time delay device is used for controlling the opening and closing of the water outlet valve in the water tank, so that the working of the water outlet valve is still not influenced after the additional water tank is installed, the clean water which is flushed through the water tank can flow out of the water tank within enough time, the toilet is flushed again, and the cleanliness of the toilet and the water tank is further ensured.

Furthermore, the time delay device comprises a telescopic rod capable of moving back and forth, an outer sleeve for the telescopic rod to move back and forth, a friction piece arranged on the telescopic rod and a driving assembly in transmission fit with the telescopic rod; through the setting of friction member for water in the toilet tank discharges the back, because the resistance of friction member, the outlet can not be closed at the very first time, thereby makes and can discharge from the outlet again after the inner wall that has washed away the toilet tank from the clear water of discharge in the additional water tank, washes the closestool, and then has guaranteed the cleanliness of toilet tank and closestool, guarantees that user's is healthy.

Furthermore, the driving assembly comprises a connecting piece connected with the telescopic rod, a second driving wheel in transmission fit with the connecting piece, a second transmission shaft in rotation stop fit with the second driving wheel, an elastic piece arranged on the second transmission shaft and a waterproof box in rotation fit with the second transmission shaft; through the arrangement of the structure, when the friction force of the friction piece is too large or too small, the water outlet valve cannot be normally opened and closed, the elastic piece still can play a role in slowly lifting the telescopic rod, and the clear water used for flushing the inner wall of the water tank can be discharged.

Furthermore, the outer sleeve is provided with a connecting groove matched with the connecting piece; a waterproof barrel for protecting the time delay device is arranged in the box body; through the arrangement of the structure, the transmission fit between the connecting piece and the telescopic rod is facilitated; and the waterproof cylinder plays a role in preventing the time delay device from being eroded by water, and the service life of the equipment is prolonged.

Further, the connecting piece comprises a connecting rod capable of moving back and forth along the connecting groove and a third transmission rod detachably connected with the connecting rod; through the arrangement of the structure, the transmission matching between the telescopic rod and the second transmission wheel is simply realized, the structure is simple, the transmission is stable, and the failure rate is low.

Further, the waterproof box comprises a through hole, a first fixing rod and a second fixing rod, wherein the first fixing rod is detachably connected with the outer sleeve, and the second fixing rod is detachably connected with the outer sleeve; through the arrangement of the structure, the waterproof box is convenient to be fixed on the outer sleeve when the waterproof box is matched with the connecting piece, the structure is simple, and the matching is stable.

Furthermore, the additional water tank of the closestool also comprises a first partition plate arranged in the box body, a second partition plate arranged in the box body, a clamping groove arranged on the box body, a water inlet device used for supplementing clear water for the box body and a water outlet device used for controlling water flow to be discharged; the additional water tank of the closestool can be directly arranged on the water tank of the existing closestool through the arrangement of the clamping groove, so that the additional water tank and the water tank of the closestool are matched with each other to form a double water tank, the additional water tank is used for loading clear water, and the water tank of the closestool is used for loading sewage, so that the aim of utilizing waste water is fulfilled; through the mutual cooperation between eduction gear, water installations and the delay device again to make the closestool discharge the sewage in the water tank and be used for washing the closestool after, the additional water tank can discharge a small amount of water and wash closestool water tank and closestool once more, avoid debris in the sewage to remain, thereby guaranteed the clean health of closestool, and then guaranteed that the user is healthy.

Furthermore, the drainage device comprises a water through hole arranged on the first partition plate, a drainage groove arranged on the second partition plate, a flow guide piece arranged on the second partition plate, a sealing piece capable of acting up and down, a floating ball assembly capable of acting up and down and a transmission assembly used for transmitting power on the floating ball assembly to the sealing piece; through the setting of above-mentioned structure for when not using the closestool, the water drainage tank is sealed by the sealing member, and water can not get rid of, and when needs use the closestool, the sealing member is removed under the cooperation of floater subassembly and transmission, thereby opens the water drainage tank and discharges water, and the inner wall of closestool water tank is washed under the effect of water conservancy diversion spare again to the discharged water, plays better washing effect, avoids impurity to remain on the inner wall of water tank.

In conclusion, the additional water tank is arranged, so that after sewage is discharged, the water tank can be flushed again by using clean water, and the time delay device is arranged, so that the toilet can be flushed again by using the water re-flushed through the water tank, sewage in the sewage cannot remain on the water tank and the toilet, the cleanliness of the toilet is guaranteed, and the body health of a user is guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the present invention

FIG. 2 is a perspective sectional view of a toilet bowl in accordance with the present invention in combination with an additional tank.

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is a perspective sectional view of the float ball assembly of the present invention;

FIG. 6 is a perspective sectional view of the drive assembly of the present invention;

fig. 7 is a perspective sectional view of the outer sleeve of the present invention.

Detailed Description

As shown in fig. 1-7, a toilet for waste water utilization comprises a toilet body 1, a water tank 11, a tank cover 12, a water inlet valve 16, a water outlet valve 17, a water inlet pipe 18 and an additional water tank of the toilet; the water inlet valve and the water outlet valve are directly purchased in the market, which is the prior art, and therefore, the detailed description is omitted; a button piece 19 is arranged on the box cover and used for controlling the opening and closing of the water outlet valve; the cover is provided with a closestool body which comprises a urinal 13, a closestool ring 14 and a closestool cover 15; the water tank is arranged on the closestool body, and the tank cover is arranged on the upper surface of the water tank; the toilet seat and the toilet cover are both hinged with the urinal; the closestool additional water tank comprises a tank body 2, a first partition plate 21, a second partition plate 22, an expansion link 23, a clamping groove 26, a water replenishing pipe 27, a water inlet device, a drainage device and a time delay device; wherein the water inlet device is a water inlet valve 16 purchased in the market, which is the prior art and therefore is not described herein; the box body is divided into a clear water cavity 24 and a water storage cavity 25 by a first partition plate, and the volume of the clear water cavity is larger than that of the water storage cavity; the clean water cavity is positioned above the first clapboard, and the water storage cavity is positioned between the first clapboard and the second clapboard; the clamping groove is formed in the lower surface of the box body and is just matched with the upper surface of the water tank, so that the box body can be placed on the water tank, the upper edge of the side wall of the water tank is embedded into the clamping groove, the box body is fixed on the water tank, the installation is convenient, the existing closestool only needs to be installed, a brand new closestool does not need to be installed in addition to the existing closestool, the installation cost is greatly saved, and the additional water tank of the closestool is very convenient to popularize; thus, a water inlet pipe of a water tank of the closestool can be connected to the sewage bucket 6, domestic sewage is led into the water tank, and the closestool is flushed by the domestic sewage; the water replenishing pipe of the box body is connected to the water faucet, so that clean water is filled in the box body, after the toilet is flushed by sewage, the clean water can be used for flushing the water tank 11 and the urinal 13, the phenomenon that bacteria are bred due to residual impurities in the sewage is avoided, the cleanliness of the toilet is guaranteed, and the health of a user is further guaranteed.

Specifically, the drainage device comprises a water through hole 211, a drainage groove 221, a flow guide piece 31, a sealing piece 32, a floating ball assembly and a transmission assembly; the water through holes are formed in the first partition plate 21, and the drainage grooves are formed in the edge of the second partition plate 22; the flow guide piece is arranged on the lower surface of the second partition plate and is arranged along the circumferential direction of the drainage groove; the sealing element is positioned in the water storage cavity and can move up and down along the side wall of the water storage cavity; the floating ball component comprises an outer rod 33, a floating ball 34, an inner rod 35, a buoy 36 and a sliding rod 37; the outer rod is right opposite to the center of the water through hole and is arranged on the second clapboard, a through hole is formed in the second clapboard, and the outer rod can slide up and down along the through hole and simultaneously keeps dynamic sealing fit with the through hole; the floating ball is arranged at the bottom of the outer rod and can generate a large amount of buoyancy in water; the outer rod is provided with a rod groove 331, the inner rod is installed in the rod groove and can slide up and down along the rod groove, the outer wall of the outer rod is also sleeved with a buoy, the buoy can slide up and down along the outer rod, and the inner rod is connected with the buoy through a sliding rod, so that the buoy can drive the inner rod to slide up and down along the rod groove; in order to facilitate the sliding of the sliding rod, a sliding groove 332 is formed on the outer rod; a sealing plate 38 is arranged at the top end of the inner rod and used for opening and closing the water through hole; in order to make the sealing plate less resistant to water when the sealing plate is lifted to open the water through hole, an arc-shaped surface 381 is formed on the sealing plate.

Specifically, the transmission assembly includes a first transmission rod 41, a first transmission wheel 42, a second transmission rod 43, a first transmission shaft 44 and a support frame 45; the first transmission rod 41 is arranged on the sealing element 32 and is in screw connection with the sealing element 32; the support frame is arranged on the second partition plate 22 and is connected with the second partition plate through screws, and the first transmission shaft is arranged on the support frame and is connected with a support frame bearing; the first driving wheel is arranged on the first driving shaft and is in key connection with the first driving shaft, and the first driving wheel is a gear; the second transmission rod is arranged at the top of the outer rod 33 and is connected with the outer rod through a screw; protruding teeth meshed with teeth on the first transmission wheel are arranged on the first transmission rod and the second transmission rod, so that the first transmission rod and the second transmission rod can be matched with the first transmission wheel, and the purpose of transmission is achieved.

Specifically, when the toilet is used for flushing the urinal 13, the sewage level in the water tank 11 is lowered, and when the sewage level is lowered to a preset position, the buoy is lowered along with the water level along with the reduction of buoyancy, so that the inner rod is driven to be lowered, the sealing plate is driven to be lowered until the sealing plate blocks the water passing hole, clear water in the clear water cavity can not enter the water storage cavity any more, and the buoy is stopped to be lowered under the support of the sealing plate, the inner rod and the sliding rod; along with the continuous decline of the water level, after reaching the preset position, the floating ball also descends along with the reduction of the buoyancy to drive the outer rod to descend, and further drives the second transmission rod arranged on the outer rod to descend, the descent of the second transmission rod drives the first transmission wheel to rotate, and further drives the first transmission rod to ascend, and the ascent of the first transmission rod drives the sealing element to ascend, so that the drainage groove sealed by the sealing element is opened, the clean water in the water storage cavity is discharged into the water tank from the drainage groove, the inner wall of the water tank is washed, the water after washing the inner wall is discharged into the urinal, the urinal is washed clean, so that the impurities remained on the inner wall of the water tank and in the sewage in the urinal can be washed away by the clean water, the cleanliness of the water tank and the urinal is maintained, the bacterial breeding is avoided, the body health of a user is ensured, and the clean water is only used for washing the water tank and the, the domestic sewage is mainly used for scouring the excrement in the urinal, so that the utilization rate of water resources is greatly improved; in order to better wash the inner wall of the water tank by the clean water discharged from the drainage tank, a flow guide part 31 is connected to the lower surface of the second partition plate through a screw and comprises a first section body 311 and a second section body 312, the first section body is vertically arranged, and the second section body is obliquely arranged in the direction close to the inner wall of the water tank, so that the distance between the flow guide part and the inner wall of the water tank is reduced, the flow rate of the clean water discharged from the drainage tank is higher, the impact force is higher, meanwhile, the clean water can be washed onto the inner wall of the water tank under the action of the inclined surface, the washing effect of the clean water is better and more uniform, and impurities on the inner wall of the water tank can be washed off more easily; in order to ensure that the sealing element can be stably lifted, two groups of mutually symmetrical floating ball assemblies and transmission assemblies are arranged in the box body.

Specifically, after the urinal is flushed, sewage enters the water tank through the water inlet valve again, and along with the rise of the water level of the sewage in the water tank, after the sewage reaches a preset position, the floating ball floats upwards under the action of buoyancy, so that the outer rod is driven to rise, and at the moment, due to the sliding fit between the outer rod and the inner rod, the rising of the outer rod cannot drive the rising of the inner rod; the rising of the outer rod drives the second transmission rod to rise, the second transmission rod drives the first transmission wheel to rotate, the first transmission wheel drives the first transmission rod to fall, the first transmission rod drives the sealing element to fall again until the sealing element closes the drainage groove, and in order to prevent the outer rod from continuously rising under the action of floating ball buoyancy, two limiting rods 333 are arranged at the upper end of the outer rod, so that the outer rod cannot continuously rise after the sealing element closes the drainage groove, and the transmission assembly is prevented from being damaged under continuous pressure; along with the continuous rising of the water level, after the water level reaches a preset position, the buoy also starts to rise under the action of buoyancy, so that the inner rod is driven to rise, the sealing plate is driven to rise, the water passing hole is opened, the clean water can be replenished into the water storage cavity through the water passing hole, and the water inlet device in the clean water cavity can also replenish the clean water into the clean water cavity due to the falling of the water level; because the buoy is connected with the inner rod through the sliding rod, after the buoy rises to the preset position, the sliding rod is blocked by the sliding groove, and the inner rod is prevented from being separated from the rod groove due to continuous rising of the sliding rod.

After the water in the water tank is drained by the water outlet valve, the clean water in the water storage cavity needs to be drained after the inner wall of the water tank is cleaned, and the opening of the water outlet valve needs to be closed after a delay for a period of time, so that a delay device is installed; specifically, the time delay device comprises an outer sleeve 51, a telescopic rod 23 and a driving component; the outer sleeve is arranged on the second partition plate and is connected with the second partition plate through a screw, the telescopic rod 23 is arranged in the outer sleeve, the outer sleeve extends out of two ends of the telescopic rod, the lower end of the telescopic rod penetrates through the second water stop plate to be attached to the water outlet valve, the upper end of the telescopic rod is attached to the button piece 19, when the button piece is pressed down, the telescopic rod can descend, the switch on the water discharge valve is pressed down, and then the telescopic rod can ascend and reset under the action of the water discharge valve, so that the box body 2 can still be sealed by the box cover 12, meanwhile, the button piece on the box cover can still be used for controlling the work of the water discharge valve in the water tank, no additional control piece is needed to be arranged, the cost is saved, the use habit of a user can not be changed, the user can adapt to; in order to delay the closing of the outlet valve, a friction member 231 is mounted on the telescopic rod, and the friction member is a rubber sleeve, so that a certain friction force is generated between the telescopic rod and the inner wall of the outer sleeve, the telescopic rod is slowly lifted, and the outlet valve is closed later.

However, the friction force of the friction member changes, the telescopic rod cannot rise due to too large friction force, the water outlet valve cannot be closed in a delayed manner due to too small friction force, clean water for flushing the inner wall of the water tank cannot be discharged, and the flushing effect cannot be achieved, so that a driving assembly is arranged, and comprises a connecting member 52, a second driving wheel 53, a second driving shaft 54, an elastic member 55 and a waterproof tank 56; the link 52 includes a link 521 and a third transmission rod 522; the connecting rod is arranged on the telescopic rod and can move up and down along with the telescopic rod, and in order to facilitate the movement of the connecting rod, a connecting groove 511 for the connecting rod to move back and forth is formed in the outer sleeve; the waterproof box comprises a first fixed rod 561, a second fixed rod 561 and a through hole 563, one ends of the first fixed rod and the second fixed rod are connected to the side wall of the waterproof box through screws, the other ends of the first fixed rod and the second fixed rod are connected to the outer sleeve through screws to play a role in fixing, the third transmission rod penetrates through the through hole in the waterproof box and is exposed out of the through hole at least partially all the time, so that the third transmission rod can move up and down along the through hole, and dynamic sealing is kept between the third transmission rod and the through hole all the time; the second transmission shaft is arranged in the waterproof box, and a groove for mounting the second transmission shaft is formed in the waterproof box, so that the second transmission shaft can rotate in the groove; the second transmission wheel is arranged on the second transmission shaft, the second transmission wheel is a gear and is in key connection with the second transmission shaft, and the third transmission rod is provided with convex teeth meshed with the teeth on the second transmission wheel, so that the third transmission rod and the second transmission wheel are in transmission fit; the elastic piece is a spring, one end of the spring is fixed on the second transmission shaft, and the other end of the spring is fixed on the inner wall of the waterproof box, so that when the telescopic rod descends under the action of the button piece, the connecting piece can drive the gear to rotate, the gear drives the second transmission shaft to rotate, the spring is driven to tighten, after the telescopic rod loses the acting force of the button piece, the spring slowly ascends under the dual actions of the water outlet valve and the friction piece, at the moment, the spring recovers under the action of elasticity, drives the second transmission shaft to rotate, then drives the second transmission wheel to rotate, so that the connecting piece ascends, and further provides an upward force to the telescopic rod, so that the telescopic rod can stably and slowly ascend, the telescopic rod cannot ascend due to overlarge friction force, the water outlet valve can be always closed, and waste of water resources is prevented; and because the restoring speed of the clockwork spring is originally slower, the telescopic rod can still slowly rise even if the friction force of the friction piece is too small, and the clear water used for flushing the inner wall of the water tank can be discharged; in order to ensure that the telescopic rod and the time delay device are not corroded by water, a waterproof cylinder 57 is arranged outside the time delay device.

Claims

1. A flush toilet for waste water utilization comprises a toilet body (1), a water tank (11) arranged on the toilet body (1), a tank cover (12) matched with the water tank (11), and a toilet additional water tank arranged between the water tank (11) and the tank cover (12); the water tank (11) comprises a water inlet pipe (18), a water inlet valve (16) used for introducing water flow and a water outlet valve (17) used for discharging water flow; a button piece (19) is arranged on the box cover (12); the method is characterized in that: the additional water tank of the closestool comprises a tank body (2), a water replenishing pipe (27) arranged on the tank body (2) and a time delay device matched with the water outlet valve (17) and the button piece (19);

the time delay device comprises a telescopic rod (23) capable of moving back and forth, an outer sleeve (51) for the telescopic rod (23) to move back and forth, a friction piece (231) arranged on the telescopic rod (23) and a driving component in transmission fit with the telescopic rod (23); the driving assembly comprises a connecting piece (52) connected with the telescopic rod (23), a second driving wheel (53) in transmission fit with the connecting piece (52), a second transmission shaft (54) in rotation stop fit with the second driving wheel (52), an elastic piece (55) arranged on the second transmission shaft (54) and a waterproof box (56) in rotation fit with the second transmission shaft (54); the outer sleeve (51) is provided with a connecting groove (511) matched with the connecting piece (52); a waterproof barrel (57) for protecting the time delay device is arranged in the box body (2); the connecting piece (52) comprises a connecting rod (521) which can move back and forth along the connecting groove (511) and a third driving rod (522) which is detachably connected with the connecting rod (521); the waterproof box (56) comprises a through hole (563), a first fixing rod (561) detachably connected with the outer sleeve (51), and a second fixing rod (562) detachably connected with the outer sleeve (51); the outer sleeve is arranged on the second partition plate and is connected with the second partition plate through a screw, the telescopic rod (23) is arranged in the outer sleeve, two ends of the telescopic rod extend out of the outer sleeve, the lower end of the telescopic rod penetrates through the second partition plate to be attached to the water outlet valve, and the upper end of the telescopic rod is attached to the button piece (19); one ends of the first fixing rod and the second fixing rod are connected to the side wall of the waterproof box through screws, and the other ends of the first fixing rod and the second fixing rod are connected to the outer sleeve through screws; the third transmission rod penetrates through the through hole in the waterproof box, and at least part of the third transmission rod is exposed out of the through hole all the time, so that the third transmission rod can move up and down along the through hole, and dynamic sealing is kept between the third transmission rod and the through hole all the time; the second transmission shaft is arranged in the waterproof box, and a groove for mounting the second transmission shaft is formed in the waterproof box; the second transmission wheel is arranged on the second transmission shaft, the second transmission wheel is a gear and is in key connection with the second transmission shaft, and convex teeth meshed with the teeth on the second transmission wheel are arranged on the third transmission rod; the elastic piece is a spring, one end of the spring is fixed on the second transmission shaft, and the other end of the spring is fixed on the inner wall of the waterproof box;

the additional water tank of the closestool also comprises a first clapboard (21) arranged in the box body (2), a second clapboard (22) arranged in the box body (2), a clamping groove (26) arranged on the box body (2), a water inlet device used for supplementing clear water for the box body (2) and a water outlet device used for controlling water flow to be discharged; the drainage device comprises a water passing hole (211) arranged on the first partition plate (21), a drainage groove (221) arranged on the second partition plate (22), a flow guide piece (31) arranged on the second partition plate (22), a sealing piece (32) capable of moving up and down, a floating ball assembly capable of moving up and down and a transmission assembly for transmitting power on the floating ball assembly to the sealing piece (32);

the clean water cavity is positioned above the first clapboard, and the water storage cavity is positioned between the first clapboard and the second clapboard; the water passing holes are formed in the first partition plate (21), and the drainage grooves are formed in the edge of the second partition plate (22); the floating ball component comprises an outer rod (33), a floating ball (34), an inner rod (35), a buoy (36) and a sliding rod (37); the outer rod is right opposite to the center of the water through hole and is arranged on the second clapboard, and the second clapboard is provided with a through hole; the floating ball (34) is arranged at the bottom of the outer rod (33); the outer rod is provided with a rod groove (331), the inner rod is arranged in the rod groove and can slide up and down along the rod groove, the outer wall of the outer rod is also sleeved with a buoy, the buoy can slide up and down along the outer rod, and the inner rod is connected with the buoy through a sliding rod; the outer rod is provided with a sliding chute (332); a sealing plate (38) is mounted on the top end of the inner rod; an arc surface (381) is arranged on the sealing plate;

the transmission assembly comprises a first transmission rod (41), a first transmission wheel (42), a second transmission rod (43), a first transmission shaft (44) and a support frame (45); the first transmission rod (41) is arranged on the sealing element (32) and is in screw connection with the sealing element (32); the support frame is arranged on the second partition plate (22) and is connected with the second partition plate through screws, and the first transmission shaft is arranged on the support frame and is connected with a support frame bearing; the first driving wheel is arranged on the first driving shaft and is in key connection with the first driving shaft, and the first driving wheel is a gear; the second transmission rod is arranged at the top of the outer rod (33) and is connected with the outer rod through a screw; the first transmission rod and the second transmission rod are both provided with convex teeth meshed with the teeth on the first transmission wheel;

when the closestool is used for flushing a urinal (13), the sewage level in the water tank (11) is lowered, and when the sewage level is lowered to a preset position, the buoy is lowered along with the water surface along with the reduction of buoyancy, so that the inner rod is driven to be lowered, and the sealing plate is driven to be lowered until the water passing hole is blocked by the sealing plate; along with the continuous decline of the water level, after reaching the preset position, the floating ball also descends along with the reduction of the buoyancy, drives the outer rod to descend, further drives the decline of a second transmission rod arranged on the outer rod, the decline of the second transmission rod drives a first transmission wheel to rotate, further drives a first transmission rod to ascend, the ascending of the first transmission rod drives a sealing element to ascend, thereby opening a drainage groove sealed by the sealing element, discharging the clear water in the water storage cavity into the water tank from the drainage groove, washing the inner wall of the water tank, discharging the water after washing the inner wall into the urinal, and washing the urinal completely; the lower surface of the second partition plate is connected with a flow guide part (31) through a screw, the flow guide part comprises a first section body (311) and a second section body (312), the first section body is vertically arranged, and the second section body is obliquely arranged in the direction close to the inner wall of the water tank; two groups of mutually symmetrical floating ball assemblies and transmission assemblies are arranged in the box body.