CN218060594U - Adjustable toilet flushing device - Google Patents

Abstract

The utility model discloses an adjustable closestool flushing device, include: the base body is provided with a bedpan, the upper part of the bedpan is provided with a washing and brushing opening, and the lower part of the bedpan is provided with a jet orifice; a water tank for supplying washing water to the washing opening and the jet opening, wherein the water tank is provided with a water outlet which is communicated with the jet opening through a water drainage channel; a hydraulic drain valve provided at a drain port of the water tank to control opening and closing of the drain port; the jet pump is provided with a water spraying channel, the water in the water tank can be brought into the water spraying channel through the Venturi effect when the jet pump is started and is conveyed to the washing port, the jet pump comprises a buoyancy mechanism with a floating barrel, the floating barrel controls the on-off of the water spraying channel according to the water level in the water tank, and the height of the floating barrel in a floating position can be adjusted; and the water pump is used for providing pressure water to the hydraulic drain valve and the jet pump so as to respectively open the hydraulic drain valve and the jet pump. The utility model discloses not only can ensure effectively to erode the closestool, can effectively reduce cost moreover to control reliably and supply to the water yield of washhing the mouth.

Description

Adjustable toilet flushing device

Technical Field

The utility model relates to the technical field of sanitary ware, in particular to an adjustable toilet flushing device.

Background

Along with the increasing popularization of low toilets, the flushing effect of the toilet also faces more tests, and the arrangement position of the water tank is required to be not higher than the upper surface of the toilet seat body as much as possible, so that the potential energy of water in the low-level water tank is not enough to effectively flush the toilet, and some toilets directly adopt a water tank-free design and utilize the water pressure of tap water to flush the toilet. However, when the toilet is flushed by the water pressure of the tap water, the flushing effect is affected by the water pressure of the tap water, thereby affecting the user experience. In order to avoid the problem of influence on the flushing effect caused by unstable water pressure of tap water, some toilets adopt a water pump to pump water in a low-level water tank to flush the toilet, but only the water pump is used for flushing the toilet, so that the requirement on the power of the water pump is high, and the reduction of the cost of the water pump is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model provides an adjustable toilet flushing device for solving the above technical problems, which not only can ensure effective flushing of the toilet, but also can effectively reduce the cost.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an adjustable toilet flushing device comprising:

the pedestal is provided with a bedpan, the upper part of the bedpan is provided with a washing and brushing port, and the lower part of the bedpan is provided with a jet orifice;

the water tank is used for providing flushing water for the washing opening and the jet opening, and is provided with a water outlet which is communicated with the jet opening through a water drainage channel;

a hydraulic drain valve provided at a drain port of the water tank to control opening and closing of the drain port;

the jet pump is arranged in the water tank and provided with a water spraying channel, the jet pump can bring water in the water tank into the water spraying channel through the Venturi effect when being started and convey the water to the washing port, the jet pump comprises a buoyancy mechanism with a floating barrel, the floating barrel controls the on-off of the water spraying channel according to the water level in the water tank, and the height of the floating barrel in a floating position can be adjusted;

and the water pump is used for providing pressure water to the hydraulic drain valve and the injection pump so as to respectively open the hydraulic drain valve and the injection pump.

In a preferred embodiment, the water distribution device further comprises a water distribution pipe, wherein the water distribution pipe is provided with a water inlet, a first water outlet and a second water outlet, the water inlet of the water distribution pipe is communicated with the water outlet of the water pump, the first water outlet is used for supplying water to the hydraulic drain valve, and the second water outlet is used for supplying water to the jet pump.

In a preferred embodiment, the water pump is provided with two water outlets, one of the water outlets of the water pump is used for supplying water to the hydraulic drain valve, and the other water outlet of the water pump is used for supplying water to the jet pump.

In a preferred embodiment, the water inlet of the water pump is communicated with the water tank to pump water in the water tank, or the water inlet of the water pump is communicated with a water source outside the water tank to pump water from the water source outside the water tank.

In a preferred embodiment, the jet pump comprises a nozzle and a spray pipe, the spray pipe is provided with an inlet end, an outlet end and a water spray channel communicated with the inlet end and the outlet end, the water inlet end of the nozzle is communicated with the water outlet of the water pump, a through-flow gap which is opened towards the inner cavity of the water tank is arranged between the water outlet end of the nozzle and the inlet end of the spray pipe, the through-flow cross-sectional area of the water outlet end of the nozzle is smaller than that of the inlet end of the spray pipe, and when the water outlet end of the nozzle sprays water flow towards the inlet end of the spray pipe, the water in the water tank is brought into the spray pipe through the through-flow gap under the action of a venturi and is sprayed out of the outlet end of the spray pipe together with the water from the nozzle;

the jet pump also comprises a baffle plate which is rotatably arranged in the jet pipe to open or close the water spraying channel;

the buoyancy mechanism further comprises an adjusting piece, the position of the floating barrel is adjustably mounted on the adjusting piece, so that the height of the floating barrel in the floating position can be adjusted, and the floating barrel controls the baffle to open or close the water spraying channel according to the water level change of the water tank.

In a preferred embodiment, the floating bucket drives the baffle to open the water spraying channel through the adjusting piece when floating; when the floating barrel falls, the baffle is driven by the adjusting part to close the water spraying channel, or when the floating barrel falls, the baffle closes the water spraying channel under the action of elastic force of the elastic part or gravity of the balancing weight or magnetic force of the magnetic attraction part.

In a preferred embodiment, the injection pump further includes a swing rod, a first end of the swing rod is connected to one end of the adjusting member, a second end of the swing rod is pivotally connected to the spray pipe, a rotating end of the baffle is connected to a second end of the swing rod, and when the swing rod is driven by the adjusting member to rotate around the second end of the swing rod, the swing rod drives the baffle to rotate around the rotating end of the baffle.

In a preferred embodiment, the inner wall of spray tube is equipped with spacing step face, the baffle activity to with close when the step face looks butt the water spray passageway, thereby one side of spray tube is radially outwards protrusion form the chamber of stepping down in the inner chamber of spray tube, the chamber of stepping down is located the entry end of spray tube with between the spacing step face, the entry end of spray tube with spacing step face is in the axial upper position of spray tube is corresponding, the chamber of stepping down is in the axial upper position of spray tube with the entry end of spray tube, the position of spacing step face misplace mutually, the baffle is opening the water spray passageway is located the intracavity of stepping down.

In a preferred embodiment, the adjusting member is a screw or a chain.

In a preferred embodiment, the spray pipe is an elbow pipe, the elbow pipe comprises a transverse pipe section and a vertical pipe section, and the transverse pipe section of the elbow pipe is fixedly installed at the washing opening.

In a preferred embodiment, the washing device further comprises a spray head penetrating through the washing port and a connecting pipe used for fixedly communicating the spray head with the water outlet end of the transverse pipe section, the water inlet end of the spray head extends outwards out of the washing port and is sleeved with the water outlet end of the transverse pipe section in the connecting pipe, and the connecting pipe is respectively abutted against the outer side surface and the inner side surface of the washing port to be clamped and fixed on the two side surfaces of the washing port when being fixedly connected with the spray head.

In a preferred embodiment, the spray pump further comprises a base having a water supply channel, the nozzle is fixed on the base and is communicated with the water supply channel, the inlet end of the spray pipe is connected with the base, and a water pump mounting seat for mounting the water pump is arranged on the spray pipe or on the base.

In a preferred embodiment, the hydraulic drain valve comprises a valve body, a valve core movably arranged on the valve body to control the opening and closing of the drain outlet, a hydraulic assembly with a hydraulic cavity, a clutch transmission assembly and a buoyancy assembly, wherein the hydraulic cavity is communicated with the water outlet of the water pump, the clutch transmission assembly comprises a first part and a second part which are in clutch fit, after the hydraulic assembly drives the valve core to move upwards through the clutch transmission assembly to open the drain outlet, the first part and the second part of the clutch transmission assembly are separated, so that the transmission of the hydraulic assembly to the valve core is disconnected, the valve core is supported by the buoyancy assembly and is kept at a position for opening the drain outlet, the buoyancy assembly lags behind the water level of the water tank, the valve core resets and closes the drain outlet, and the first part and the second part of the clutch transmission assembly are in transmission connection again.

In a preferred embodiment, the water tank is integrally formed at the rear of the bedpan of the seat body, and the water level in the water tank is lower than the upper surface of the bedpan.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up the water tank, a water pump, hydraulic pressure drain valve and jet pump, thereby utilize hydraulic pressure drain valve control outlet to open and carry the water of water tank to the jet with the jet that realizes to the bedpan bottom and spray away, thereby utilize the jet pump to carry the water of water tank to washing the mouth and realize effectively washing away to the bedpan inner wall, and utilize water pump output pressure moisture to open hydraulic pressure drain valve and jet pump respectively, so one side alright in order to effectively avoid prior art to adopt the running water to wash away the unstable problem of water pressure when the closestool, on the other hand because the water pump only needs the drive to open hydraulic pressure drain valve and jet pump can, need not the water flushing bedpan of direct utilization water pump output, consequently, the power of required water pump is less, water pump cost is lower.

2. The utility model discloses an injection pump has the buoyancy mechanism of keg float through the setting, and the keg float can be according to the break-make of the water level control water spray channel of water tank to the keg float is the height-adjustable when floating the position, like this, as long as through the position of adjusting the keg float, can adjust the whereabouts opportunity of keg float, thereby can control water spray channel's the opportunity of closing, reaches the purpose of the water jet of adjusting the injection pump, and simple structure, water regulation are convenient, the function is reliable.

3. And a water diversion pipe is adopted, so that two water pumps do not need to be arranged, one water pump is simultaneously used for controlling the opening of a hydraulic drain valve and an injection pump, and the cost of the water pumps is saved.

4. The water pump with the two water outlets is adopted, so that the two water pumps do not need to be arranged, one water pump is used for controlling the opening of the hydraulic drain valve and the injection pump, and the cost of the water pump is saved.

5. The hydraulic drain valve comprises a clutch transmission assembly, so that after the valve core is driven by the hydraulic assembly to open the water outlet, the hydraulic assembly is disconnected from driving the valve core, the valve core is not controlled by the hydraulic assembly any more but is supported by the buoyancy assembly and is kept at the position for opening the water outlet, and after the buoyancy assembly falls down along with the water level of the water tank, the valve core resets and closes the water outlet, so that the water discharge amount of the hydraulic drain valve is more stable and reliable.

Drawings

FIG. 1 is an assembled view of a toilet flushing device according to an embodiment of the present invention;

FIG. 2 is an exploded view of a toilet flushing device according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a toilet flushing device according to an embodiment of the present invention;

FIG. 4 is a top view of a toilet flushing device according to an embodiment of the present invention;

fig. 5 is a shunt tube according to an embodiment of the present invention;

fig. 6 is a perspective assembly view of an injection pump according to an embodiment of the present invention;

fig. 7 is an exploded perspective view of an injection pump according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of an injection pump according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of an injection pump according to an embodiment of the present invention with the flapper in an open position for water injection;

fig. 10 is a cross-sectional view of an injection pump according to an embodiment of the present invention with the flapper in a position closing the water spray passage;

fig. 11 is a cross-sectional view of the float of the jet pump of an embodiment of the present invention in a lower float position on the screw;

fig. 12 is a cross-sectional view of the float of the jet pump of an embodiment of the present invention in a higher float position on the screw;

fig. 13 is a cross-sectional view of the float bowl of an injection pump of another embodiment of the present invention in a lower float position on the chain;

fig. 14 is a cross-sectional view of the float bowl of an injection pump of another embodiment of the present invention in a higher float position on the chain;

the reference numerals are explained below:

10-a base; 11-bedpan; 12-a washing and brushing port; 13-an ejection port;

20-a water tank;

30-a hydraulic drain valve; 31-a valve body; 32-a valve core; 33-a communication hose;

40-jet pump: 410-a nozzle; 420-a nozzle; 421-an inlet end; 422-an outlet end; 423-water spraying channel; 424-through-flow clearance; 425-limiting step surfaces; 426-abdication chamber; 430-a baffle; 431-a rotating shaft; 432-a gasket; 440-a buoyancy mechanism; 441-a floating barrel; 442-an adjustment member; 4421-screw rod; 4422-a pivoting lever; 4423-chain; 450-swing link; 451-a first end of a pendulum bar; 452-a second end of the swing link; 453-first rod; 454-a second rod; 4541 — second end of second rod; 45411-axial bore; 455-a connecting rod; 460-a base; 461-water supply channel; 462-a snap ring;

50-a water pump;

60-a water distribution pipe; 61-water inlet of water dividing pipe; 62-a first water outlet; 63-a second water outlet;

70-connecting pipe;

80-a water pump mounting seat;

90-spray head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 14, an adjustable toilet flushing device according to an embodiment of the present invention includes:

a base body 10 having a bedpan 11, wherein the upper part of the bedpan 11 is provided with a washing mouth 12, and the lower part is provided with a jet orifice 13;

a water tank 20 for supplying washing water to the washing and brushing openings 12 and the injection openings 13, the water tank 20 being provided with a water discharge opening (not shown) communicating with the injection openings 13 through a water discharge passage (not shown);

a hydraulic drain valve 30 provided at a drain port of the tank 20 to control opening and closing of the drain port;

the jet pump 40 is arranged in the water tank 20, the jet pump 40 is provided with a water spraying channel 423, when the jet pump 40 is started, water in the water tank 20 can be taken into the water spraying channel 423 through the Venturi effect and conveyed to the washing and brushing port 12, the jet pump 40 comprises a floating mechanism 440 with a floating barrel 441, the floating barrel 441 controls the on-off of the water spraying channel 423 according to the water level in the water tank 20, and the height of the floating barrel 441 in a floating position can be adjusted;

and a water pump 50 supplying pressurized water to the hydraulic drain valve 30 and the jet pump 40 to open the hydraulic drain valve 30 and the jet pump 40, respectively.

In this embodiment, the water distribution pipe 60 is further included, the water distribution pipe 60 has a water inlet 61, a first water outlet 62 and a second water outlet 63, the water inlet 61 of the water distribution pipe 60 is communicated with the water outlet of the water pump 50, the first water outlet 62 is used for supplying water to the hydraulic drain valve 30, and the second water outlet 63 is used for supplying water to the jet pump 40. Alternatively, in other embodiments, the knock out pipe 60 may not be provided, but instead: the water pump 50 is provided with two water outlets, one of the water outlets of the water pump 50 is used for supplying water to the hydraulic drain valve 30, and the other water outlet of the water pump 50 is used for supplying water to the jet pump 40. The first water outlet 62 communicates with a hydraulic chamber (not shown) of the hydraulic drain valve 30 through the communication hose 33.

In this embodiment, the water inlet of the water pump 50 is communicated with the water tank 20 to pump the water in the water tank 20, and the water pump 50 is installed in the water tank 20 in this embodiment, but may be installed outside the water tank 20; alternatively, in other embodiments, the water inlet of the water pump 50 may be in communication with a water source external to the water tank 20 to draw water from the water source external to the water tank 20.

The following is a description of the specific structure of the jet pump 40:

referring to fig. 6 to 14, the jet pump 40 includes a nozzle 410, a nozzle pipe 420, a baffle 430, and a buoyancy mechanism 440.

The nozzle 420 has an inlet end 421, an outlet end 422, and a water spraying passage 423 for communicating the inlet end 421 and the outlet end 422, and the water inlet end of the nozzle 410 is communicated with the water outlet of the water pump 50. Between the water outlet end of the nozzle 410 and the inlet end 421 of the nozzle 420 there is a flow gap 424 which is open to the inner cavity of the water reservoir 20, the flow cross-sectional area of the water outlet end of the nozzle 410 being smaller than the flow cross-sectional area of the inlet end 421 of the nozzle 420. When the water outlet end of the nozzle 410 sprays a water stream against the inlet end 421 of the spout 420, water within the tank 20 is drawn into the spout 420 via the through-flow gap 424 under venturi action and ejected from the outlet end 422 of the spout 420 along with water from the nozzle 410.

The damper 430 is rotatably provided in the nozzle 420 to open or close the water spray passage 423.

The buoyancy mechanism 440 includes a float bucket 441 and an adjusting member 442, the float bucket 441 is position-adjustably mounted on the adjusting member 442 such that the height of the float bucket 441 in a floating position is adjustable, and the float bucket 441 controls the flapper 430 to open or close the water spray passage 423 according to a change in the water level of the water tank 20.

In this embodiment, the adjusting member 442 is a rigid screw structure. As shown in fig. 9, when the float 441 is floating, the regulating member 442 drives the baffle 430 to open the water spraying channel 423, and when the nozzle 410 sprays pressurized water toward the inlet end 421 of the spray pipe 420, the water flow in the inner cavity of the water tank 20 enters the water spraying channel 423 through the through-flow gap 424 under the action of the venturi and is sprayed out of the outlet end 422 of the water spraying channel 423 together with the water entering the water spraying channel 423 from the nozzle 410. As shown in fig. 10, when the float 441 falls, the regulating member 442 moves the baffle 430 to close the water spray channel 423, and at this time, the water flow sprayed from the nozzle 410 toward the spray pipe 420 is blocked by the baffle 430 and flows into the inner cavity of the water tank 20 through the through-flow gap 424. Of course, in other embodiments, for example, when the adjusting member 442 adopts a flexible chain structure, or when the floating barrel 441 falls, the baffle 430 may close the water spraying channel 423 under the elastic force of the elastic member, the gravity of the weight block, or the magnetic force of the magnetic member.

In this embodiment, the injection pump 40 further includes a swing rod 450, a first end 451 of the swing rod is connected to one end of the adjusting element 442, a second end 452 of the swing rod is pivotally connected to the nozzle 420, a rotating end of the baffle 430 is connected to the second end 452 of the swing rod, and when the swing rod 450 is driven by the adjusting element 442 to rotate around the second end 452 of the swing rod, the swing rod 450 drives the baffle 430 to rotate around the rotating end of the baffle 430.

Specifically, the swing link 450 includes a first rod 453 and a second rod 454 which are arranged in parallel, and further includes a connecting rod 455 for connecting the first rod 453 and the second rod 454, first ends of the first rod 453 and the second rod 454 are both connected with one end of the adjusting member 442, a second end of the first rod 453 is pivotally connected with the spraying pipe 420, and a second end of the second rod 454 is rotatably coupled with a rotating end of the baffle 430.

In this embodiment, a rotating shaft 431 is disposed at a rotating end of the baffle 430, the rotating shaft 431 extends out of the nozzle 420, a non-circular shaft hole 45411 is disposed at a second end 4541 of the second rod 454, the rotating shaft 431 is inserted into the shaft hole 45411, and the swing rod 450 is rotatably coupled with the rotating end of the baffle 430 through the cooperation of the rotating shaft 431 and the shaft hole 45411, so as to drive the baffle 430 to rotate.

In this embodiment, the adjusting element 442 is a screw 4421, the bottom end of the screw 4421 is connected to a pivot rod 4422, and two ends of the pivot rod 4422 are respectively pivoted to the first ends of the first rod 453 and the second rod 454. The floating barrel 441 is screwed on the screw 4421 to adjust its position on the screw 4421. Referring to fig. 11, the floating barrel 441 is at a lower floating position on the screw 4421, in which the floating barrel 441 falls later as the water level of the water tank 20 falls, so that the blocking plate 430 closes the water spraying passage 423 later, and the water spraying amount is larger, that is, the water spraying amount of the washing port 12 is larger. Fig. 12 is a schematic view of the floating barrel 441 at a high floating position on the screw 4421, in which the floating barrel 441 falls earlier as the water level of the water tank 20 is lowered, so that the baffle 430 closes the water spraying passage 423 earlier, and the amount of water sprayed is small, that is, the amount of water sprayed from the washing port 12 is small.

In this embodiment, the inner wall of the nozzle 420 is provided with a limiting step surface 425, and the baffle 430 closes the water spraying passage 423 when moving to abut against the step surface. Preferably, a sealing member is provided between the blocking plate 430 and the limiting step surface 425, and the sealing member of this embodiment is a sealing gasket 432 provided on the blocking plate 430.

In this embodiment, one side of the nozzle 420 protrudes outward in a radial direction to form a receding cavity 426 in the inner cavity of the nozzle 420, the receding cavity 426 is located between the inlet end 421 and the limiting step surface 425 of the nozzle 420, the inlet end 421 and the limiting step surface 425 of the nozzle 420 correspond to each other in the axial direction of the nozzle 420, the receding cavity 426 is offset from the inlet end 421 and the limiting step surface 425 of the nozzle 420 in the axial direction of the nozzle 420, and the baffle 430 is located in the receding cavity 426 when the water spraying passage 423 is opened, so that the baffle 430 does not block water flow when the water spraying passage 423 sprays water, and the water spraying effect is better.

In this embodiment, the injection pump 40 further includes a base 460 having a water supply passage 461, the nozzle 410 is fixed to the base 460 and is communicated with the water supply passage 461, and the inlet end 421 of the nozzle 420 is connected to the base 460, so that the entire injection pump 40 is an integrated structure and the installation of the injection pump 40 is more convenient. Specifically, a snap ring 462 surrounding the nozzle 410 is provided on the base 460, a plurality of elastic buckles are provided on the snap ring 462 at intervals along the circumferential direction, and the inlet end 421 of the nozzle 420 is inserted into the snap ring 462 and then is clamped by the buckles, so that the nozzle 420 and the base 460 are connected. The water supply passage 461 is connected to the water outlet of the water pump 50.

In order to make the overall structure more compact, a water pump mounting seat 80 for mounting the water pump 50 may be optionally provided on the spray pipe 420 or the base 460, and in this embodiment, the water pump mounting seat 80 is specifically provided on the base 460. The water pump mounting seat 80 may be separately manufactured and then fixedly connected with the base 460, or the two may be directly and integrally formed, and the latter connection mode is adopted in this embodiment.

Referring to fig. 13 and 14, in another embodiment of the present invention, the adjusting member 442 is a chain 4423, and the float tub 441 can be installed at different links of the chain 4423, thereby adjusting different positions of the float tub 441 on the chain 4423. Fig. 13 is a schematic view of the floating bucket 441 at a lower floating position on the chain 4423, in which the floating bucket 441 falls later as the water level of the water tank 20 drops, so that the water spray passage 423 is closed later by the shutter 430, and the water spray amount is larger. Fig. 14 is a schematic view of the floating barrel 441 at a high floating position on the chain 4423, in which the floating barrel 441 falls earlier as the water level of the water tank 20 is lowered, so that the water spray passage 423 is closed earlier by the shutter 430 and the amount of water sprayed is small. Since the chain is a flexible structure, when the floating barrel 441 falls, the baffle 430 needs to close the water spraying channel 423 under the elastic force of the elastic member, the gravity of the weight block, or the magnetic force of the magnetic member.

In this embodiment, the nozzle 42 is an elbow including a horizontal pipe section and a vertical pipe section, and the horizontal pipe section of the elbow is fixedly installed at the washing opening 12.

In this embodiment, the device further includes a nozzle 90 penetrating the brushing port 12 and a connection pipe 70 for fixedly connecting the nozzle 90 and the water outlet end of the transverse pipe section, the water inlet end of the nozzle 90 extends outward from the brushing port 12 and is sleeved with the water outlet end of the transverse pipe section in the connection pipe 70, and the connection pipe 70 is respectively abutted against the outer side surface and the inner side surface of the brushing port 12 to clamp and fix the two side surfaces of the brushing port 12 when the nozzle is fixedly connected with the nozzle, so that the transverse pipe section of the nozzle 42 and the nozzle 90 are fixed at the brushing port 12.

In this embodiment, the hydraulic drain valve 30 adopts the existing structure having the clutch function, and the structure is roughly: the hydraulic drain valve 30 includes a valve body 31, a valve core 32 movably disposed on the valve body 31 to control opening and closing of the drain port, a hydraulic assembly (not shown) having a hydraulic chamber, a clutch transmission assembly (not shown) and a buoyancy assembly (not shown), wherein the hydraulic chamber is communicated with the water outlet of the water pump 50, the clutch transmission assembly includes a first portion (not shown) and a second portion (not shown) which are in clutch fit with each other, after the hydraulic assembly drives the valve core 32 to move upward through the clutch transmission assembly to open the drain port, the first portion and the second portion of the clutch transmission assembly are disengaged to disconnect transmission of the hydraulic assembly to the valve core 32, the valve core 32 is supported by the buoyancy assembly and is kept at a position for opening the drain port, after the buoyancy assembly falls with the water level of the water tank 20, the valve core 32 resets and closes the drain port, and the first portion and the second portion of the clutch transmission assembly are in transmission connection with each other.

In this embodiment, the water tank 20 is integrally formed behind the toilet bowl 11 of the seat body 10, and the water level in the water tank 20 is lower than the upper surface of the toilet bowl 11. The water discharged from the washing port 12 is used to wash the inner peripheral wall of the toilet bowl 11, and the injection port 13 is used to spray water toward the inlet of a sewage pipe (not shown) of the base body 10.

By the aforesaid right the utility model discloses a description can be known, compare in prior art, the utility model discloses a set up the water tank, a water pump, hydraulic pressure drain valve and jet pump, thereby utilize hydraulic pressure drain valve control outlet to open and carry the water of water tank to the jet to realize the jet-cleaning to the bedpan bottom, thereby utilize the jet pump to carry the water of water tank to washing the mouth and realize effectively washing away to the bedpan inner wall, and utilize water pump output pressure water to open hydraulic pressure drain valve and jet pump respectively, so one side in order to effectively avoid prior art to adopt the running water to wash away the unstable problem of water pressure when the closestool, on the other hand because the water pump only need the drive open hydraulic pressure drain valve and jet pump can, need not the water washing bedpan of direct utilization water pump output, consequently, the power of required water pump is less, water pump cost is lower. Additionally, the utility model discloses an injection pump has the buoyancy mechanism of keg float through the setting, and the keg float can be according to the break-make of the water level control water spray channel of water tank to the keg float is in the height-adjustable when floating the position, like this, as long as through the position of adjusting the keg float, can adjust the whereabouts opportunity of keg float, thereby can control water spray channel's the opportunity of closing, reach the purpose of the water spray volume of adjusting the injection pump, simple structure, water yield regulation convenience, function are reliable.

The above embodiments are only used to further illustrate the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the technical solution of the present invention.

Claims (13)

1. An adjustable toilet flushing device, comprising:

the pedestal is provided with a bedpan, the upper part of the bedpan is provided with a washing and brushing port, and the lower part of the bedpan is provided with a jet orifice;

the water tank is used for providing flushing water for the washing opening and the jet opening, and is provided with a water outlet which is communicated with the jet opening through a water drainage channel;

a hydraulic drain valve provided at a drain port of the water tank to control opening and closing of the drain port;

the jet pump is arranged in the water tank and provided with a water spraying channel, the jet pump can bring water in the water tank into the water spraying channel through the Venturi effect when being started and convey the water to the washing port, the jet pump comprises a buoyancy mechanism with a floating barrel, the floating barrel controls the on-off of the water spraying channel according to the water level in the water tank, and the height of the floating barrel in a floating position can be adjusted;

and a water pump which supplies pressure water to the hydraulic drain valve and the jet pump to open the hydraulic drain valve and the jet pump, respectively.

2. The adjustable toilet flushing device according to claim 1, further comprising a water diversion pipe having a water inlet, a first water outlet and a second water outlet, the water inlet of the water diversion pipe being in communication with the water outlet of the water pump, the first water outlet being for supplying water to the hydraulic drain valve, the second water outlet being for supplying water to the jet pump.

3. The adjustable toilet flushing device according to claim 1, wherein the water pump is provided with two water outlets, one of the water outlets of the water pump being used for supplying water to the hydraulic drain valve and the other water outlet of the water pump being used for supplying water to the jet pump.

4. The adjustable toilet flush device according to claim 1, wherein the water inlet of the water pump is in communication with the water tank to draw water from within the water tank or the water inlet of the water pump is in communication with a water source external to the water tank to draw water from a water source external to the water tank.

5. The adjustable toilet flushing device according to claim 1, wherein the jet pump comprises a nozzle and a nozzle tube, the nozzle tube has an inlet end, an outlet end and the water spraying passage connecting the inlet end and the outlet end, the water inlet end of the nozzle is connected to the water outlet of the water pump, a through-flow gap opening to the inner cavity of the water tank is provided between the water outlet end of the nozzle and the inlet end of the nozzle tube, the through-flow cross-sectional area of the water outlet end of the nozzle is smaller than that of the inlet end of the nozzle tube, and when the water outlet end of the nozzle sprays water flow towards the inlet end of the nozzle tube, the water in the water tank is entrained into the nozzle tube through the through-flow gap under venturi action and is sprayed out of the outlet end of the nozzle tube together with the water from the nozzle;

the jet pump also comprises a baffle plate which is rotatably arranged in the jet pipe to open or close the water spraying channel;

the buoyancy mechanism further comprises an adjusting piece, the position of the floating barrel is adjustably mounted on the adjusting piece, so that the height of the floating barrel in the floating position can be adjusted, and the floating barrel controls the baffle to open or close the water spraying channel according to the water level change of the water tank.

6. The adjustable toilet flushing device according to claim 5, wherein the baffle is driven by the adjusting member to open the water spraying passage when the float is floating; when the floating barrel falls, the baffle is driven by the adjusting part to close the water spraying channel, or when the floating barrel falls, the baffle closes the water spraying channel under the action of elastic force of the elastic part or gravity of the balancing weight or magnetic force of the magnetic attraction part.

7. The adjustable toilet flushing device according to claim 5, wherein the jet pump further comprises a swing link, a first end of the swing link is connected to one end of the adjusting member, a second end of the swing link is pivotally connected to the spray pipe, a rotating end of the baffle is connected to a second end of the swing link, and when the swing link is driven by the adjusting member to rotate around the second end of the swing link, the swing link drives the baffle to rotate around the rotating end of the baffle.

8. The adjustable toilet flushing device according to claim 5, wherein the inner wall of the nozzle is provided with a limiting step surface, the baffle is movable to close the water spraying passage when the step surface abuts against the inner wall of the nozzle, one side of the nozzle protrudes radially outward to form a step cavity in the inner cavity of the nozzle, the step cavity is located between the inlet end of the nozzle and the limiting step surface, the inlet end of the nozzle corresponds to the limiting step surface in the axial direction of the nozzle, the step cavity is located in the axial direction of the nozzle, the inlet end of the nozzle and the limiting step surface are staggered, and the baffle is located in the step cavity when the water spraying passage is opened.

9. An adjustable toilet flushing device as claimed in claim 5, wherein the adjustment member is a screw or a chain.

10. The adjustable toilet flushing device according to claim 5, wherein the spray pipe is an elbow pipe, the elbow pipe comprises a transverse pipe section and a vertical pipe section, and the transverse pipe section of the elbow pipe is fixedly arranged at the flushing port; the water outlet end of the transverse pipe section is sleeved in the connecting pipe, and the connecting pipe is respectively abutted against the outer side surface and the inner side surface of the washing port to be clamped and fixed on the two side surfaces of the washing port when being fixedly connected with the spray head.

11. The adjustable toilet flushing device of claim 5, wherein the jet pump further comprises a base having a water supply passage, the nozzle is fixed to the base and is in communication with the water supply passage, the inlet end of the jet tube is connected to the base, and a water pump mounting seat for mounting the water pump is provided on the jet tube or on the base.

12. The adjustable toilet flushing device according to claim 1, wherein the hydraulic drain valve comprises a valve body, a valve core movably disposed on the valve body to control the opening and closing of the drain opening, a hydraulic assembly having a hydraulic chamber, a clutch transmission assembly and a buoyancy assembly, wherein the hydraulic chamber is communicated with the water outlet of the water pump, the clutch transmission assembly comprises a first part and a second part which are in clutch fit with each other, after the hydraulic assembly drives the valve core to move upwards through the clutch transmission assembly to open the drain opening, the first part and the second part of the clutch transmission assembly are disengaged to disconnect the transmission of the hydraulic assembly to the valve core, the valve core is supported by the buoyancy assembly and is kept at a position for opening the drain opening, after the buoyancy assembly falls with the water level of the water tank, the valve core resets and closes the drain opening, and the first part and the second part of the clutch transmission assembly are in transmission connection again.

13. An adjustable toilet flushing device as claimed in any one of claims 1 to 12 wherein the water tank is integrally formed in the housing behind the bowl, the level of water in the tank being below the upper surface of the bowl.

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