CN213268169U

CN213268169U - Drainage device of closestool

Info

Publication number: CN213268169U
Application number: CN202021024597.0U
Authority: CN
Inventors: 郑江辉; 张荣誉; 王兴东
Original assignee: Xiamen R&T Plumbing Technology Co Ltd
Current assignee: Xiamen R&T Plumbing Technology Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-05-25
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a drainage device of closestool, including apron subassembly, hydraulic assembly, drain valve and start-up unit, the apron subassembly can set up on the closestool body with overturning. Hydraulic assembly includes control valve and driver, and the control valve is used for controlling the break-make of the rivers that flow to the driver, and when the pressure release mouth that is equipped with on the control valve was opened, the control valve was opened and is made rivers flow into the driver with the drive driver, and the outlet is opened to the drainage starting member that the driver drove the drain valve, and the start-up unit cooperatees with the pressure release mouth, and the pressure release mouth is opened through the start-up unit to the apron subassembly. No matter the starting unit adopts mechanical transmission or electronic control, because the drive stroke of opening the pressure release mouth of control valve is little for the drive stroke of starting unit can be less, and then make the apron subassembly can effectively drive the starting unit, realize the purpose that little stroke drive drain valve opened, avoid the apron subassembly to design comparatively complicated or thick or because of the not hard up problem that leads to the starting unit to start not in place of apron subassembly.

Description

Drainage device of closestool

Technical Field

The utility model relates to a closestool field, in particular to drainage device of closestool.

Background

Both existing traditional toilets and intelligent toilets are constantly improving drainage. In the existing structure for controlling the drainage of the drainage valve through the cover plate of the toilet, the cover plate is mostly driven by a connecting rod or a gear to drive the drainage valve, and then the drainage valve is driven to drain. And adopt connecting rod or gear to drive the drain valve and need sufficient drive stroke, lead to on the apron like this to design the corresponding drive structure of sufficient spatial arrangement for whole structural design is comparatively complicated, and also can receive very big influence to the appearance design of apron, and in addition, the drive structure of connecting rod or gear, after using the certain time, takes place wearing and tearing easily, can influence the not enough of drive stroke even, directly leads to the apron to control the drain valve and opens the functional failure of drainage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drainage device of closestool, it is complicated that it is the structure of the apron control drain valve drainage of current closestool is solved, and start unit drive stroke needs great problem.

For realizing the purpose of the utility model, the utility model adopts the technical proposal that: a water discharge device of a closestool comprises a cover plate component which is arranged on a closestool body in a turnover way; the hydraulic assembly comprises a control valve and a driver, the control valve is used for controlling the on-off of water flow flowing to the driver, and when a pressure relief opening arranged on the control valve is opened, the control valve is opened to enable the water flow to flow into the driver to drive the driver; the starting unit is matched with the pressure relief opening, and the cover plate assembly is matched with the starting unit and opens the pressure relief opening through the starting unit; and the drainage valve is provided with a drainage starting piece linked with the driver, and the drainage starting piece is driven by the driver to open a drainage outlet of the drainage valve for drainage.

Preferably, the cover plate assembly comprises an upper cover and a seat ring, the upper cover and the seat ring are hinged through a central shaft, and the upper cover and/or the seat ring are/is arranged in linkage with the starting unit.

Preferably, the control valve is provided with a water inlet, a water outlet, a valve port located in a water channel between the water inlet and the water outlet, and an elastic diaphragm matched with the valve port in an opening and closing manner, a back pressure cavity is arranged between the elastic diaphragm and the pressure relief port in the control valve, the pressure relief port is communicated with the back pressure cavity and external air, and when the pressure relief port is opened, the elastic diaphragm opens the valve port to further communicate the water inlet with the water outlet; the driving end of the starting unit is located at the pressure relief opening and closes or opens the pressure relief opening, and the starting end of the starting unit is arranged on the cover plate assembly or the closestool body.

Preferably, the starting device further comprises a unhooking structure, wherein the unhooking structure is arranged on the cover plate assembly and/or the starting unit; when the unhooking structure is in a transmission state in transmission with the starting unit, the cover plate assembly controls the opening of the pressure relief opening through the starting unit; after the starting unit opens the pressure relief opening to drive the driver, the unhooking structure is in a state of being disengaged from the transmission state so as to cut off the control of the cover plate assembly on the pressure relief opening; the starting unit closes the pressure relief opening again after the unhooking structure is disengaged from the transmission state.

Preferably, the pressure relief device further comprises a time delay structure, and the starting unit delays to close the pressure relief opening under the action of the time delay structure.

Preferably, the unhooking structure is arranged on the starting unit, the starting unit comprises an eccentric sleeve shaft sleeved on a central shaft of the cover plate assembly, a swing rod matched and linked with the eccentric sleeve shaft, a pull rope with one end connected with the swing rod and a lifting rod matched with the pressure relief opening in an opening and closing mode, the other end of the pull rope is connected with the unhooking structure, and the unhooking structure is linked with the lifting rod.

Preferably, the unhooking structure comprises a transmission swing block which is in linkage fit with the other end of the pull rope; the unhooking structure is in when the transmission state, the transmission pendulum block with lift the linkage cooperation of pole, the unhooking structure is in the disconnection when the transmission state, the transmission pendulum block swing to with the position of the mutual separation of staggering of pole is lifted, it resets to closing to lift the pole under the effect of restoring force the position of pressure release mouth.

Preferably, the starting unit comprises a controller, a detector, a motor assembly and a lifting rod matched with the pressure relief opening in an opening and closing manner, and the detector is arranged on the cover plate assembly or the toilet body; the motor assembly comprises a motor and a cam linked with the motor, and the cam is linked with the lifting rod to open the pressure relief opening; the controller is used for receiving a feedback signal generated when the detector detects that the cover plate assembly is operated, and controlling the motor assembly to be linked with the lifting rod to open the pressure relief opening.

Preferably, the cover plate assembly comprises an upper cover and a seat ring, and the controller controls the motor assembly to link the lifting rod to open the pressure relief opening after the upper cover and the toilet body are completely closed.

Preferably, the drainage starting piece is a steel wire rope, a key, a toggle button, a pneumatic component or a chain; the water discharge valve comprises a buoyancy device, and after the water discharge starting piece opens the water discharge opening of the water discharge valve, the buoyancy device controls the water discharge starting piece to keep opening the water discharge opening until the buoyancy device falls along with the water level of the toilet water tank.

Preferably, the hydraulic assembly is an integral structure which can be independently installed, and is mounted on the drain valve or independently fixed in the toilet water tank; the control valve is also provided with an anti-siphon suction port communicated with the outside air on a water channel between the valve port and the water outlet, the anti-siphon suction port is provided with a one-way plug, and the one-way plug closes the anti-siphon suction port under the pressure of water flow in the water channel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. when the starting unit is in a pure mechanical structure, the driving stroke for opening the pressure relief port of the control valve is small, so that the driving stroke of the starting unit can be smaller, the cover plate assembly can effectively drive the starting unit, and the purpose of driving the drainage valve to open by the small stroke transmission of the starting unit is realized, on one hand, the problem that the starting unit cannot be started in place due to the fact that the cover plate assembly is designed to be complicated or thick or becomes loose after long-term use is solved, in addition, the design of the cover plate assembly can be more compact, the designability and the attractiveness of the cover plate are improved, and better experience is brought to people; on the other hand, the starting stroke is small, and the pressure relief opening of the control valve can be quickly opened, so that the hydraulic component quickly starts the drain valve, the quick start of the drain valve has better flushing effect on the closestool, and the amount of the drained water is more stable; the existing connecting rod or gear is adopted to drive the drain valve, the starting stroke is large, the starting is slow, the early-stage opening of the drain valve is slow, the drain speed ratio is small, and the flushing effect of the closestool can be influenced in the opening process of the drain valve.

2. When the starting unit selects to adopt and contains automatically controlled formula structure, because automatically controlled formula adopts signal control, avoided the requirement of pure mechanical transmission to transmission stroke to can avoid the apron subassembly to lead to apron subassembly structure comparatively complicated or thick because of the design of transmission structure or lead to the starting unit to start not in place because of the apron subassembly appears becoming flexible after using for a long time. And, the design of apron subassembly can be compacter, has improved the degree of can designing and the pleasing to the eye degree of apron, gives people better experience and feels.

3. The cover plate assembly is in linkage with the starting unit, the starting unit is in linkage when the cover plate assembly overturns, the control valve is opened through the starting unit, and then the water flow is guided to drive the driver, so that the driver drives the drainage starting piece, and then the drainage valve is opened to drain water, and therefore the purpose that the drainage valve is opened by the overturning cover plate to drain water is achieved.

4. Through setting up the unhook structure for the driver is driven the back, and the unhook structure is in the control (also, the apron subassembly can't continue to be in the open mode always through the starter unit control pressure release mouth) of cutting off the apron subassembly to the pressure release mouth that the drive structure is in, can close the pressure release mouth again after the starter unit does not receive the control of apron subassembly, avoids the driver to drive drainage starter spare always and leads to the problem that the drain valve can't close the drainage.

5. When the starting unit adopts a pure mechanical structure, the pure mechanical starting unit comprises an eccentric sleeve shaft sleeved on a central shaft of the cover plate assembly, a swing rod matched and linked with the eccentric sleeve shaft, a pull rope with one end connected with the swing rod and a lifting rod matched with the pressure relief opening in an opening and closing manner, and the pure mechanical starting unit is simple in structure, reliable in transmission and stable in structural operation.

6. When the starting unit comprises the electric control structure, the starting unit with the electric control structure comprises a controller, a detector and a motor assembly/electromagnet assembly, the signal of whether the cover plate assembly is operated or not is detected by the detector, the signal is used as a signal of whether the control valve is opened or not, the control is convenient and stable, the structure is simple, the time for opening the control valve can be more flexibly controlled by setting the internal program of the controller or the detector, and therefore the time for opening the drain valve can be flexibly controlled. Preferably, the controller is in after upper cover and closestool body are closed completely, the motor element/electromagnet assembly is controlled again and is opened the pressure release mouth and then open the drain valve and carry out the drainage, like this, can avoid the bacterium in the closestool pond to leap to the problem in the environment of bathroom on, improved the health of bathroom environment, give the better experience of user and feel.

7. The buoyancy device arranged on the drain valve controls the drain valve to start draining and then maintain draining for a period of time, instead of controlling the drain valve to maintain draining for a period of time by starting a unit, so that the drain valve is more convenient to control, more stable in drainage and better in effect.

Drawings

FIG. 1 is a schematic view of a toilet bowl according to an embodiment of the present invention (the actuating unit is mechanical, and the drainage actuator is a wire rope);

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a sectional view illustrating an initial state of a control valve and a unhooking structure of a drainage apparatus of a toilet according to an embodiment;

FIG. 4 is a sectional view illustrating a state where a control valve and a decoupling structure of a drainage apparatus of a toilet according to an embodiment are in a state where a driving swing block is coupled with a lifting lever;

FIG. 5 is a sectional view of a control valve and a release mechanism of a toilet drainage device according to an embodiment in a state where a transmission swing block and a lifting rod are separated from each other;

FIG. 6 is a sectional view of another embodiment of a toilet drain device according to the present invention, in which a control valve and a release structure are in an initial state;

FIG. 7 is a sectional view of another embodiment of a toilet drain apparatus according to the present invention, in which a control valve and a release mechanism are coupled to a lifting lever;

FIG. 8 is a sectional view of another embodiment of a toilet drainage apparatus according to an embodiment, in which a control valve and a release mechanism are in a state where a swing block and a lifting rod are separated from each other;

FIG. 9 is a sectional view of an anti-siphon assembly and an actuator of a drain device of a toilet according to an embodiment;

FIG. 10 is a schematic view of a toilet bowl according to an embodiment of the present invention (the actuating unit is electrically controlled, and the drainage actuating member is a wire rope);

FIG. 11 is a partial cross-sectional view of a toilet drain control valve and solenoid assembly in accordance with an exemplary embodiment;

FIG. 12 is a view showing a structure of a drainage device (an actuating unit is mechanical, and a drainage actuating member is a button) of a toilet bowl according to an embodiment;

FIG. 13 is a view showing a structure of a toilet drainage device (an actuating unit is electrically controlled, and a drainage actuating member is a button) according to an embodiment;

FIG. 14 is a view showing a structure of a toilet drain device according to an embodiment (an actuating unit is a mechanical type, and a drain actuating member is a pneumatic unit;

FIG. 15 is a view showing a structure of a toilet drainage device according to an embodiment (an actuating unit is electrically controlled, and a drainage actuating member is a pneumatic unit;

reference numerals:

10. a cover plate assembly; 101. an upper cover; 102. a seat ring; 103. a central shaft;

20. a hydraulic assembly; 201. a control valve; 202. a driver;

2011. a piston; 2012. a pull rod; 2021. a water drain valve core; 2022. a water discharge opening;

2031. a water inlet; 2032. a water outlet; 2033. a valve port; 2034. a pressure relief port;

2035. a back pressure chamber; 2036. an elastic diaphragm;

30. a drain valve; 301. a drain activation member;

3011. a wire rope; 3012. pressing a key; 3013. a pneumatic assembly;

40. a start unit; 401. an eccentric sleeve shaft; 402. a swing rod; 403. pulling a rope;

404. lifting the rod; 405. a controller; 406. a detector; 407. an electromagnet assembly;

408. a data line; 409. an elastic member;

4041. the lifting rod is hooked;

50. a unhooking structure; 501. a transmission swing block; 502. a slider; 503. a bevel;

5011. the inverted hook of the transmission swinging block;

70. an anti-siphon mouth; 701. a one-way plug.

Detailed Description

The structure of drainage device among the prior art is comparatively complicated, and its drive stroke is longer, consequently leads to the volume of apron great, the great problem of the appearance design limitation of its pattern. Therefore, the present invention provides a new solution, and for a clearer representation, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 9, the present embodiment provides a drainage device for a toilet, including a cover assembly 10, a hydraulic assembly 20, a drainage valve 30 and an actuating unit 40, wherein the cover assembly 10 is disposed on a toilet body in a reversible manner. The hydraulic assembly 20 includes a control valve 201 and an actuator 202, and a pressure relief port 2034 is provided on the control valve 201. The hydraulic unit 20 is detachably provided to the drain valve 30, and the drain valve 30 is provided with a drain actuating member 301 interlocked with the actuator 202. The hydraulic unit 20 may be separately fixedly attached to the toilet tank instead of being attached to the drain valve 30. Preferably, hydraulic assembly 20 is a separately mountable, unitary structure.

The activation unit 40 may be a purely mechanical structure that actuates the opening of the pressure relief 2034, or may include an electronically controlled structure that controls the opening of the pressure relief 2034.

The starting unit 40 of this embodiment adopts a pure mechanical structure, the cover plate assembly 10 is operated by turning over to start the unit 40 in a linkage manner, when the cover plate assembly 10 is turned over, the pressure relief opening 2034 on the control valve 201 is opened by the starting unit 40, after the pressure relief opening 2034 is opened, the control valve 201 is opened, water flow can flow into the driver 202 to drive the driver 202, and the driver 202 is linked with the drainage starting part 301, so that the drainage valve 30 is opened for drainage. After the driver 202 completes driving the drain actuator 301, the lift lever 404 of the actuator unit 40 and the driver 202 are reset to prepare for the next drain, and so on. Realized, the effect that the drive of little stroke through start unit 40 can trigger drain valve 30 and open reaches the purpose that can be compacter to the structural design of apron subassembly 10, and the complexity of very big reduction apron structure improves the degree of can designing of apron, makes its function reliable and stable, and it is convenient to start simultaneously, gives people better experience and feels.

As shown in fig. 1 and 2, the cover plate assembly 10 of the present embodiment includes an upper cover 101 and a seat 102, and the upper cover 101 and/or the seat 102 are/is linked with the actuating unit 40. Specifically, the upper cover 101 and the seat 102 may be hinged together through the same central shaft 103, and rotatably installed on the toilet body, and the central shaft 103 is in rotational linkage with the upper cover 101, or the central shaft 103 is in rotational linkage with the seat 102, so that the central shaft 103 may be driven to rotate by the upper cover 101 or the seat 102, or the central shaft 103 may be driven to rotate when the upper cover 101 and the seat 102 are turned over simultaneously, and the linkage start unit 40 is further linked, and how to achieve the linkage start unit 40 will be described in detail below. In this embodiment, the upper cover 101 drives the central shaft 103 to rotate so as to link the starting unit 40.

As shown in fig. 3 and 9, in the present embodiment, the control valve 201 includes a water inlet 2031, a water outlet 2032, a valve port 2033, and an elastic membrane 2036, the valve port 2033 is located in a water channel between the water inlet 2031 and the water outlet 2032, the elastic membrane 2036 is disposed at the valve port 2033 and opens or closes the valve port 2033 under the action of water pressure, a back pressure cavity 2035 is disposed between the elastic membrane 2036 and the pressure relief port 2034 in the control valve 201, the pressure relief port 2034 connects the back pressure cavity 2035 with the outside air, and the operation principle of the control valve 201 that the valve port 2033 is opened or closed by the difference of water pressure on both sides of the elastic membrane 2036 is well known in the art and will not be described herein. The inlet 2031 is located on the side of the control valve 201 and the outlet 2032 is in communication with the inlet of the actuator 202. The driving end of activation unit 40 is disposed at pressure relief 2034 and the activation end of activation unit 40 is disposed on cover assembly 10. In other embodiments, the activation end of the activation unit 40 may alternatively be disposed on the toilet body.

When the flip cover assembly 10 rotates, the start end through the start unit 40 drives the drive end of the start unit 40 located at the pressure relief opening 2034, so that the pressure relief opening 2034 is opened, the water flow pushes against the elastic membrane 2036 to open the valve port 2033, and then water flows into the control valve 201 through the water inlet 2031, and then flows into the inner cavity of the driver 202 through the water outlet 2032, the piston 2011 of the inner cavity of the driver 202 is pushed, the piston 2011 further drives the pull rod 2012 to move, the top is pushed against through the pull rod 2012, the push-pull or the pulling of the water drainage start piece 301 is reached, and then the purpose of draining water through the water drainage valve 30 is opened.

When the drain valve is triggered to drain, the starting unit 40 is no longer in linkage with the cover assembly 10 through a unhooking mechanism described below, the lifting rod 404 of the starting unit 40 resets and closes the pressure relief port 2034 of the control valve 201 under the action of the elastic member 409, water in the back pressure cavity 2035 cannot be drained, so that the elastic diaphragm 2036 of the control valve 201 recloses the valve port 2033 under the action of water pressure in the back pressure cavity 2035, meanwhile, a drain valve core 2021 in linkage with the elastic diaphragm 2036 opens the drain port 2022 of the driver 202, water in the driver 202 flows out from the drain port 2022, the driver 202 resets and no longer drives the drain starting member 301, and the drain starting member 301 can reset itself after being driven by the driver 202.

In this embodiment, the driver 202 includes a hydraulic cylinder and a piston 2011 disposed in an inner cavity of the hydraulic cylinder, the pull rod 2012 is in linkage fit with the piston 2011, when the drain valve 2021 opens the drain opening 2022, the drain opening 2022 is communicated with the inner cavity of the hydraulic cylinder, and the piston 2011 is reset under the action of the elastic member, so that water in the hydraulic cylinder flows out from the drain opening 2022 to prepare for the next driving.

As shown in fig. 3, 4 and 5, in order to avoid the problem that the opening control of the drain valve 30 is still maintained after the cover assembly 10 is operated and the drain valve 30 is opened to drain water, the present embodiment is further provided with the decoupling structure 50, by providing the decoupling structure 50, after the transmission force output by the cover assembly 10 is transmitted to the starting unit 40 to control the opening of the pressure relief opening 2034, the decoupling structure 50 cuts off the transmission force, so that the cover assembly 10 does not maintain the opening control of the pressure relief opening 2034 any more, and the lifting rod 404 of the starting unit 40 can be reset to close the pressure relief opening 2034 without being controlled by the cover assembly 10, so that the problem that the cover assembly 10 always controls the opening of the pressure relief opening 2034 is avoided, and the drain valve 30 is always in the open state.

The starting unit 40 comprises an eccentric sleeve shaft 401, a swing rod 402, a pulling rope 403, a lifting rod 404 and an elastic piece 409, wherein the eccentric sleeve shaft 401 is sleeved on the central shaft 103 of the cover plate assembly 10, the swing rod 402 is matched and linked with the eccentric sleeve shaft 401, one end of the pulling rope 403 is connected with the swing rod 402, the other end of the pulling rope 403 is connected with the unhooking structure 50, the unhooking structure 50 is linked with the lifting rod 404, and the lifting rod 404 is matched with the pressure relief opening 2034 in an opening and closing mode. Eccentric sleeve axle 401 has a hollow cylinder, a trip is designed at its hollow cylinder's side, set up one on one of pendulum rod 402 with eccentric sleeve axle 401's trip matched with trip, when eccentric sleeve axle 401 followed center pin 103 and rotated, the meshing through two trips drives pendulum rod 402 swing, and then stimulates stay cord 403, make stay cord 403 pulling unhook structure 50, because unhook structure 50 is transmission state under initial condition, at this moment, it lifts pole 404 and opens pressure release 2034 to drive under unhook structure 50's transmission effect, and then open control valve 201. The cover plate assembly 10 achieves the effect of compact structural design through the structural design of the eccentric sleeve shaft 401 and the swing rod 402.

The disengaging structure 50 can be optionally disposed on the cover assembly 10 and/or the actuating unit 40, and in this embodiment, the disengaging structure 50 is disposed on the actuating unit 40. When the unhooking structure 50 is in a transmission state of being in transmission with the starting unit 40, the cover plate assembly 10 controls the opening of the pressure relief opening 2034 through the starting unit 40; after the activation unit 40 opens the pressure relief 2034 to drive the driver 202, the decoupling structure 50 is in a decoupling state to cut off control of the pressure relief 2034 by the cover assembly 10; the actuating unit 40 re-closes the pressure relief opening 2034 after the decoupling structure 50 is disengaged from the transmission.

As shown in fig. 3, in the present embodiment, the unhooking structure 50 includes a transmission swing block 501 and a slider 502, the transmission swing block 501 is swingably disposed on the slider 502, the slider 502 is connected to one end of the pull rope 403, when the unhooking structure 50 is in the transmission state, the transmission swing block 501 is in linkage fit with the lifting rod 404, when the unhooking structure 50 is in the disconnection state, the transmission swing block 501 swings to a position staggered and separated from the lifting rod 404, and the lifting rod 404 is reset to a position closing the pressure relief opening 2034 under the action of a restoring force.

Specifically, a barb 5011 is designed on the transmission swing block 501 of the unhooking structure 50, the lifting rod 404 is rotatably disposed on the valve body of the control valve 201, one end of the lifting rod 404 is located at the pressure relief port 2034, the pressure relief port 2034 is sealed or opened by a sealing gasket on one end of the lifting rod 404, and the other end of the lifting rod 404 is provided with a barb 4041, when the barb 4041 on the lifting rod 404 abuts against and is matched with the barb 5011 on the transmission swing block 501, the unhooking structure 50 is in a transmission state (as shown in fig. 4), and when the barb 4041 on the lifting rod 404 is matched with the barb 5011 on the transmission swing block 501 separately, the unhooking structure 50 is in a disconnection transmission state (as shown in fig. 5). The sealing gasket on one end of the lifting rod 404 may be a silicone sheet or a rubber sheet, which abuts against the pressure relief opening 2034 to seal the pressure relief opening. In this embodiment, the unhooking structure 50 further includes an inclined surface 503 disposed on the valve body of the control valve 201, and the transmission swing block 501 swings from a position (shown in fig. 4) abutting against the lifting rod 404 to a position (shown in fig. 5) separated from the lifting rod 404 under the action of the inclined surface 503.

When people rotate the upper cover 101, the central shaft 103 drives the eccentric sleeve shaft 401 to rotate, so as to drive the swing rod 402 to swing, the swing rod 402 further pulls the pull rope 403, the pull rope 403 drives the slider 502 on the unhooking structure 50 to move, so that the transmission swing block 501 on the slider 502 drives the lifting rod 404 to rotate, one end of the lifting rod 404, which is provided with the sealing gasket, is rotated to leave the pressure relief opening 2034, and the pressure relief opening 2034 is opened. After the pressure relief opening 2034 is opened, the water flow pushes against the elastic membrane 2036 to open the valve port, so that the water flow sequentially flows through the water inlet 2031, the valve port 2033 and the water outlet 2032 to enter the driver 202, and then the piston 2011 in the driver 202 is pushed to move, and the pull rod 2012 on the piston 2011 in the driver 202 is linked with the drainage starting piece 301, and then the drainage valve 30 is opened to drain water, thereby realizing drainage.

After the release structure 50 drives the lifting rod 404 to open the pressure relief opening 2034, the slider 502 of the release structure 50 drives the transmission swing block 501 to move to the position where the transmission swing block 501 is matched with the inclined surface 503, the transmission swing block 501 swings under the action of the inclined surface 503, so that the barbs 5011 on the transmission swing block 501 and the barbs 4041 on the lifting rod 404 are staggered and separated from each other, the release is realized, the release structure 50 is in a release transmission state, then the lifting rod 404 is reset through an elastic part (a compression spring), the pressure relief opening 2034 is sealed and closed by a sealing gasket on the lifting rod 404 again, and the transmission swing block 501 resets in the process of opening the upper cover 101, and the specific process is as follows: when the upper cover 101 is turned upwards and opened, the swing rod 402 resets, the pull rope 403 no longer tensions the slider 502, the slider 502 resets under the action of the spring, the slider 502 drives the transmission swing block 501, the barbs 5011 of the transmission swing block 501 pass over the barbs 4041 of the lifting rod 404 under the action of the inclined plane of the barbs 5011, subsequently, the transmission swing block 501 resets under the action of the spring, and then the transmission swing block 501 and the lifting rod 404 can be abutted and matched again, so that the effect of repeated drainage is realized.

As shown in fig. 6 to 8, in other embodiments, the unhooking structure 50 may not be provided with the sliding block 502, the transmission swing block 501 is directly connected to the other end of the pulling rope 403, the lifting rod 404 is rotatably disposed on the valve body of the control valve 201, one end of the lifting rod 404 close to the transmission swing block 501 abuts against the pressure relief opening 2034 through a silicone pad or a rubber pad, and the other end of the lifting rod 404 is provided with a spring for resetting the lifting rod 404. A spring for resetting the transmission swing block 501 is arranged between the transmission swing block 501 and the control valve 201. When the pull rope 403 pulls the transmission swing block 501, the transmission swing block 501 swings, and the transmission swing block 501 further drives the lifting rod 404 to rotate, so that the silica gel pad or the rubber pad leaves the pressure relief opening 2034, and the purpose of opening the pressure relief opening 2034 is achieved. When the transmission swing block 501 is pulled continuously, the transmission swing block 501 is separated from the lifting rod 404, the lifting rod 404 is reset under the action of spring force, the silicone pad or the rubber pad seals the pressure relief opening 2034 again, and the transmission swing block 501 is reset through the spring after the pulling force of the pulling rope 403 disappears. In the embodiment, the transmission swing block 501 is abutted and matched with the lifting rod 404 through the inverted hook 5011 movably arranged at the tail end of the transmission swing block, the inverted hook 5011 can be arranged on the transmission swing block 501 in a swinging mode, in the resetting process of the transmission swing block 501, the inverted hook 5011 can swing and yield the lifting rod 404, after yielding, the inverted hook 5011 resets under the action of a spring to prepare for abutting and matching with the lifting rod 404 next time, and through the arrangement, unhooking and hooking can be effectively carried out between the transmission swing block 501 and the lifting rod 404, and the reliability of unhooking and hooking is improved.

As a further improvement, the drainage device of the toilet bowl may further include a time delay structure (not shown), and the activation unit 40 closes the pressure relief opening 2034 when the time delay structure is activated. The time delay structure can be a damper, and the damper is arranged on the hinge rod of the lifting rod 404, so that when the lifting rod 404 is rotated and reset, the time for opening the pressure relief port 2034 can be prolonged through the damper, the purpose of closing the pressure relief port 2034 in a time delay manner is achieved, the driver 202 can be effectively driven by water pressure, and the problem that the driver 202 is not driven in place due to insufficient water entering the driver 202 is avoided.

In other embodiments, the starter unit 40 may not be purely mechanically driven, as shown in fig. 10 and 11, and the starter unit 40 may instead include an electrically controlled structure. Specifically, the activation unit 40 includes a controller 405, a detector 406 and an electromagnet assembly 407, the detector 406 is disposed on the cover assembly 10 or the toilet body, the detector 406 detects that the cover assembly 10 is operated and sends a feedback signal, and the electromagnet assembly 407 cooperates with the pressure relief opening 2034 to open or close the pressure relief opening 2034. When or after the controller 40 receives the feedback signal sent by the detector 407, the controller 40 controls the electromagnet assembly 407 to open or close the pressure relief opening 2034, and after the controller 40 controls the electromagnet assembly 407 to open the pressure relief opening 2034 for a preset time, the controller 407 controls the electromagnet assembly 407 to close the pressure relief opening 2034. The detector 406 may be a sensor, a micro switch, or the like, and the sensor may be a gravity sensor, an infrared sensor, or the like. The controller 405 may include a single chip or the like.

In order to avoid the problem that bacteria in the toilet bowl are blown up to the environment of the toilet, the sanitation of the toilet environment is improved, and a better experience feeling is provided for a user, the controller controls the electromagnet assembly 407 to open the pressure relief opening 2034 after the upper cover 101 of the cover plate assembly 10 and the toilet bowl body are completely closed, and then the drain valve 30 is opened to drain water.

In this embodiment, the controller 405 and the detector 406 may be electrically connected or wirelessly connected. The electric connection can directly adopt data line or power cord to connect, and wireless communication connects can be bluetooth, WIFI or NFC and so on wireless communication transmission signal, realizes the signal transmission between controller 405 and the detector 406, improves drainage device's practicality. The present embodiment employs a data line 408 to electrically connect the controller 405 with the detector 406.

In other embodiments, the electromagnet assembly 407 in the embodiments of fig. 10 and 11 may be replaced by a motor assembly (not shown) and a lifting rod 404, the lifting rod 404 is in open-close fit with the pressure relief opening 2034, and the rest of the structure is the same. Similarly, the detector 406 may be a sensor, a micro switch, or the like, and the sensor may be a gravity sensor, an infrared sensor, or the like. The controller 405 may include a single chip or the like. The detector 406 is disposed on the lid assembly 10 or the toilet body and includes a motor and a cam (not shown) that is linked to the motor and that links the lever 404 to open the pressure relief opening 2034. The controller 405 is configured to receive a feedback signal when the detector 406 detects that the cover plate assembly 10 is operated, and control the motor assembly to open the pressure relief opening 2034 in linkage with the lifting rod 404.

In this embodiment, the signal generated when the detector 406 detects the cover plate assembly 10 is turned over may be set to be fed back to the controller 405 by the detector 406 when the upper cover 101 and/or the seat 102 rotate to close with the toilet body, the controller 405 controls the motor to be turned on, the motor drives the cam to open the pressure relief opening 2034 in linkage with the lifting rod, and then the control valve 201 is opened, so that the water flow pushes against the piston 2011 in the driver 202, the water drainage starting piece 301 is driven by the pull rod 2012 on the piston 2011 in the driver 202, and then the water drainage valve 30 is opened to drain water. After the water discharge is completed, the controller 405 controls the motor to rotate to disengage the cam from the lifting rod, so that the pressure relief port 2034 is sealed and closed again by the sealing gasket on the lifting rod 404, the elastic diaphragm 2036 is reset to close the valve port 2033 under the action of the water pressure difference, and the cam on the motor is reset to a position where the cam can abut against the lifting rod and then stops, so that the water discharge of the water discharge valve 30 is repeatedly realized. The cover plate assembly 10 is compact in structural design and small in occupied space, the appearance designability of the upper cover and/or the seat ring is improved, and the attractiveness of the whole structure is improved.

In this embodiment, after the upper cover 101 of the cover assembly 10 and the toilet body are completely closed, the controller controls the motor assembly to drive the lifting rod 404 to open the pressure relief opening 2034, and further open the drain valve 30 for draining. The problem that bacteria in the toilet bowl are blown up to the environment of the toilet is avoided, the sanitation of the toilet environment is improved, and better experience feeling is provided for a user.

In this embodiment, the controller 405 and the detector 406 may be electrically connected or wirelessly connected. The electric connection can directly adopt data line or power cord to connect, and wireless communication connects can be bluetooth, WIFI or NFC and so on wireless communication transmission signal, realizes the signal transmission between controller 405 and the detector 406, improves drainage device's practicality.

As shown in fig. 1, 10, 12 to 15, in this embodiment, the drainage activation member 301 may be a wire rope 3011 (shown in fig. 1 and 10), a button 3012 (shown in fig. 12 and 13), or a pneumatic assembly 3013 (shown in fig. 14 and 15), or may be a toggle or a chain, etc., without being limited thereto.

Actuator 202 is a hydraulic cylinder assembly that includes a hydraulic cylinder and a piston 2011 disposed within the hydraulic cylinder, such that the engagement of actuator 202 with drain actuator 301 may be as follows: the hydraulic cylinder assembly is matched with the steel wire rope 3011, and the steel wire rope 3011 is pulled through a pull rod 2012 on a piston 2011 of the hydraulic cylinder assembly to drive the drain valve 30; or, the hydraulic cylinder assembly is matched with the button 3012, and the piston 2011 of the hydraulic cylinder assembly abuts against the button 3012, so that the drain valve 30 is opened. And pneumatic subassembly 3013 can include the cylinder, and the drain valve that corresponds is pneumatic drain valve 30, and is specific, extrudees the cylinder inner chamber through hydraulic cylinder subassembly's piston 2011, makes the gas in the cylinder carry to pneumatic drain valve 30, and then opens drain valve 30 and carry out the drainage. Similarly, the toggle moves to open the drain valve 30, and the chain is usually engaged with the flap valve 30. The utility model has the advantages of realized diversified structure cooperation, improved drainage device's practicality.

In the present embodiment, as can be seen from the above description, the starting unit 40 is a mechanical structure having the unhooking structure 50 or an electrical control structure having a motor or an electromagnet assembly, and the following description is made in terms of mechanical and electrical control, and various hydraulic assemblies 20 can be obtained by the way that the starting unit 40 is matched with the drainage starting member 301, for example: as shown in fig. 1, the first scheme is: a combined structure of a mechanical type, a hydraulic cylinder and a steel wire rope 3011; as shown in fig. 14, the second scheme is: a combination structure of a mechanical type, a hydraulic cylinder and an air cylinder; as shown in fig. 12, the third scheme is: a combination of mechanical, hydraulic and keys 3012; as shown in fig. 10, the fourth scheme is: the electric control type, the hydraulic cylinder and the steel wire rope 3011 are combined; as shown in fig. 15, the fifth scheme is: the electric control type, the hydraulic cylinder and the air cylinder are of a combined structure; as shown in fig. 13, the sixth scheme is: the combined structure of the electric control type hydraulic cylinder and the buttons 3012 and the like can realize diversified structure realization schemes, improve the practicability of the structure of the drainage device and meet the requirements of different environments.

In this embodiment, the drain valve 30 includes a buoyancy means (not shown), and after the drain actuator 301 opens the drain opening of the drain valve 30, the buoyancy means controls the drain actuator 301 to keep opening the drain opening until the buoyancy means drops with the water level of the toilet tank. The buoyancy device is a known technical means of the conventional drain valve 30, that is, after the valve core of the drain valve 30 is opened by the drain actuating member 301 for draining, the valve core can be maintained by the buoyancy device to open the drain opening within a certain time, thereby ensuring the long time for draining the drain opening.

As shown in fig. 9, in the present embodiment, the control valve 201 is further provided with an anti-siphon port 70 on the waterway between the valve port and the water outlet, the anti-siphon port 70 is provided with a one-way plug 701, and the one-way plug 701 closes the anti-siphon port 70 under the pressure of the water flow in the waterway. By providing anti-siphon port 70, the control valve is prevented from siphoning back, while by one-way plug 701, water flow out through anti-siphon port 70 is prevented.

The above embodiments are only used for explaining the technical solution of the present invention and not for limiting the same, and although the above embodiments are specific to the present invention, it should be understood by those skilled in the art that the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the present invention, which should be covered by the claims of the present invention.

Claims

1. A toilet drain device, comprising:

the cover plate component is arranged on the closestool body in a turnover manner;

the hydraulic assembly comprises a control valve and a driver, the control valve is used for controlling the on-off of water flow flowing to the driver, and when a pressure relief opening arranged on the control valve is opened, the control valve is opened to enable the water flow to flow into the driver to drive the driver;

the starting unit is matched with the pressure relief opening, and the cover plate assembly is matched with the starting unit and opens the pressure relief opening through the starting unit; and

and the drainage valve is provided with a drainage starting piece which is linked with the driver, and the drainage starting piece is driven by the driver to open a drainage outlet of the drainage valve for drainage.

2. The drainage apparatus of toilet bowl according to claim 1, wherein the cover assembly comprises an upper cover and a seat, the upper cover and the seat are hinged by a central shaft, and the upper cover and/or the seat are linked with the actuating unit.

3. The water discharge device of a toilet according to claim 1, wherein the control valve is provided with a water inlet, a water outlet, a valve port in a water channel between the water inlet and the water outlet, and an elastic diaphragm which is in open-close fit with the valve port, a back pressure cavity is arranged in the control valve between the elastic diaphragm and the pressure relief port, the pressure relief port is communicated with the back pressure cavity and outside air, and when the pressure relief port is opened, the elastic diaphragm opens the valve port to communicate the water inlet with the water outlet;

the driving end of the starting unit is located at the pressure relief opening and closes or opens the pressure relief opening, and the starting end of the starting unit is arranged on the cover plate assembly or the closestool body.

4. The drain device of the toilet bowl according to claim 2, further comprising a decoupling structure provided on the cover assembly and/or the activation unit;

when the unhooking structure is in a transmission state in transmission with the starting unit, the cover plate assembly controls the opening of the pressure relief opening through the starting unit; after the starting unit opens the pressure relief opening to drive the driver, the unhooking structure is in a state of being disengaged from the transmission state so as to cut off the control of the cover plate assembly on the pressure relief opening; the starting unit closes the pressure relief opening again after the unhooking structure is disengaged from the transmission state.

5. The toilet bowl drainage device according to claim 4, further comprising a delay structure, wherein the activation unit delays to close the pressure relief opening under the action of the delay structure.

6. The toilet drainage device according to claim 4, wherein the unhooking structure is disposed on the start unit, the start unit comprises an eccentric sleeve shaft sleeved on a central shaft of the cover plate assembly, a swing rod matched and linked with the eccentric sleeve shaft, a pull rope with one end connected with the swing rod, and a lifting rod matched with the pressure relief opening in an opening and closing manner, the other end of the pull rope is connected with the unhooking structure, and the unhooking structure is linked with the lifting rod.

7. The toilet drain of claim 6, wherein the unhooking structure comprises a transmission swing block which is in linkage fit with the other end of the pull rope;

the unhooking structure is in when the transmission state, the transmission pendulum block with lift the linkage cooperation of pole, the unhooking structure is in the disconnection when the transmission state, the transmission pendulum block swing to with the position of the mutual separation of staggering of pole is lifted, it resets to closing to lift the pole under the effect of restoring force the position of pressure release mouth.

8. The toilet bowl water discharge device according to claim 1, wherein the activation unit comprises a controller, a detector, a motor assembly and a lifting rod which is matched with the pressure relief opening in an opening and closing manner, and the detector is arranged on the cover plate assembly or the toilet bowl body;

the motor assembly comprises a motor and a cam linked with the motor, and the cam is linked with the lifting rod to open the pressure relief opening;

the controller is used for receiving a feedback signal generated when the detector detects that the cover plate assembly is operated, and controlling the motor assembly to be linked with the lifting rod to open the pressure relief opening.

9. The toilet bowl water discharge device according to claim 8, wherein the cover plate assembly comprises an upper cover and a seat, and the controller controls the motor assembly to link the lifting rod to open the pressure relief opening after the upper cover and the toilet bowl body are completely closed.

10. The toilet drain of claim 1, wherein the drain actuator is a wire rope, a button, a toggle, a pneumatic assembly, or a chain;

the water discharge valve comprises a buoyancy device, and after the water discharge starting piece opens the water discharge opening of the water discharge valve, the buoyancy device controls the water discharge starting piece to keep opening the water discharge opening until the buoyancy device falls along with the water level of the toilet water tank.

11. The toilet drain of claim 3, wherein the hydraulic assembly is a separately installable one-piece structure, the hydraulic assembly being attached to the drain valve or separately fixed within a toilet tank;

the control valve is also provided with an anti-siphon suction port communicated with the outside air on a water channel between the valve port and the water outlet, the anti-siphon suction port is provided with a one-way plug, and the one-way plug closes the anti-siphon suction port under the pressure of water flow in the water channel.