CN217150512U - Flushing switching device for closestool and closestool - Google Patents

Abstract

The utility model discloses a flushing switching device for a closestool and the closestool, wherein the flushing switching device comprises a shell assembly, a switching piece and a motor, the shell assembly is provided with a water passing cavity, a water inlet channel and at least two water outlet channels, the water inlet channel is communicated with the water passing cavity, and the switching piece comprises a rotating shaft and a plugging part arranged on the rotating shaft; the switching piece is arranged in the water passing cavity of the shell assembly, and one end of a rotating shaft of the switching piece penetrates through a shaft hole correspondingly arranged in the shell assembly and is in transmission connection with an output shaft of the motor; first sealing washer and second sealing washer are equipped with to pivot one end cover, the second sealing washer is the self-adaptation sealing washer, and its external diameter is from pivot one end to the direction of the other end gradually littleer, and the lateral surface of the big one end of second sealing washer external diameter touches the medial surface that leans on in the shaft hole, the lateral surface of the little other end of second sealing washer external diameter with the medial surface in shaft hole does not contact. The utility model discloses can reduce the requirement to countershaft and shaft hole axiality to reduce the frictional resistance of pivot.

Description

Flushing switching device for closestool and closestool

Technical Field

The utility model relates to a bathroom field especially relates to a bath auto-change over device and closestool for closestool.

Background

At present, a toilet without a water tank or a small water tank in the prior art usually adopts a flushing switching device to control the water outlet sequence of a flushing nozzle at the top and a jet nozzle at the bottom of a toilet bowl, so that water is discharged from the flushing nozzle firstly and then is discharged from the jet nozzle. The flushing switching device generally comprises a shell assembly, a switching piece and a motor, wherein the shell assembly is provided with a water passing cavity, a water inlet channel communicated with the water passing cavity and at least two water outlet channels, the switching piece comprises a rotating shaft and a plugging part arranged on the rotating shaft, one end of the rotating shaft of the switching piece penetrates through a shaft hole correspondingly arranged in the shell assembly and is in transmission connection with an output shaft of the motor, and the rotating shaft is driven by the motor to drive the plugging part to switch and plug any one water outlet channel or open each water outlet channel. In order to ensure sealing, one end of the rotating shaft of the switching piece adopts at least two O-shaped rings to be in sealing fit with the shaft hole. However, if the coaxiality of the rotating shaft and the shaft hole is deviated, the frictional resistance of the rotating shaft is large, and the requirement for torque is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a towards technical problem to prior art exists, provide a bath auto-change over device and closestool for closestool.

The utility model provides a technical scheme that its technical problem adopted is: a water flushing switching device for a closestool comprises a shell assembly, a switching piece and a motor, wherein the shell assembly is provided with a water passing cavity, a water inlet channel and at least two water outlet channels, the water inlet channel is communicated with the water passing cavity, and the switching piece comprises a rotating shaft and a plugging part arranged on the rotating shaft; the switching piece is arranged in the water passing cavity of the shell assembly, one end of a rotating shaft of the switching piece penetrates through a shaft hole correspondingly arranged in the shell assembly and is in transmission connection with an output shaft of the motor, so that the rotating shaft is driven by the motor to drive the plugging part to plug any water outlet channel or open each water outlet channel; the utility model discloses a shaft hole, including pivot one end cover, second sealing washer, pivot one end cover be used for with shaft hole seal complex first sealing washer and second sealing washer, the second sealing washer is the self-adaptation sealing washer, and its external diameter is followed pivot one end is gradually little to the direction of the other end, just the lateral surface of the big one end of second sealing washer external diameter touches and leans on in the medial surface in shaft hole, the lateral surface of the little other end of second sealing washer external diameter with the medial surface in shaft hole does not contact.

Further, the first sealing ring is an O-shaped ring.

Furthermore, the second sealing ring and the first sealing ring are sequentially distributed along the direction from one end of the rotating shaft to the other end of the rotating shaft.

Furthermore, the output shaft of the motor is inserted and fixed in the other end of the rotating shaft along the axial direction of the rotating shaft, and the inner side surface of one end with the large outer diameter of the second sealing ring is in contact with the shell of the motor.

Furthermore, the shell assembly comprises a main shell, an end cover and a fixed cover, wherein an opening is formed in one axial end of the main shell, the water inlet channel and the water outlet channel are arranged in the main shell, the end cover is connected to one axial end of the main shell, and the water inlet channel and the water outlet channel are enclosed into the water passing cavity; the fixed cover is connected to the other axial end of the main shell, the fixed cover and the main shell are matched to form the shaft hole, the first sealing ring is in sealing fit with the part, located on the main shell, of the shaft hole, and the second sealing ring is in sealing fit with the part, located on the fixed cover, of the shaft hole; the motor is fixed on one surface of the fixed cover back to the main shell.

Further, a drain groove is formed between the fixing cover and the main casing.

Further, still include the buckler, this buckler connect in fixed lid to cover the motor, the buckler with the cooperation has sealed the pad between the fixed lid.

Furthermore, at least one water outlet channel is provided with an air hole for communicating the interior of the water outlet channel with the outside atmosphere.

The utility model also provides a toilet, which comprises a toilet main body, wherein the top of the urinal of the toilet main body is provided with at least one scouring nozzle or a plurality of water distribution holes for scrubbing the cleaning surface of the urinal, the bottom of the urinal of the toilet main body is provided with a jet orifice, and the jet orifice is opposite to the drain outlet at the bottom of the urinal; the closestool also comprises a flushing switching device for the closestool, which is disclosed by the utility model; the number of the water outlet channels is two, one water outlet channel is communicated with the jet orifice, and the other water outlet channel is communicated with the flushing jet orifice or the water distribution hole; the water pump is characterized by further comprising a water pump, wherein the water outlet end of the water pump is communicated with the water inlet channel, or the water pump further comprises an electromagnetic valve, and the water outlet end of the electromagnetic valve is communicated with the water inlet channel.

Further, the water pump is supplied with water from a water tank provided on the toilet body.

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

because the second sealing washer adopts the self-adaptation sealing washer, when guaranteeing effective sealed, can also adjust by oneself according to the part, reduce the requirement to pivot and shaft hole axiality to reduce the frictional resistance of pivot.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the flush switching device for a toilet and the toilet of the present invention are not limited to the embodiments.

Drawings

Fig. 1 is an exploded schematic view of a flush water switch device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a flush water switching device according to an embodiment of the present invention;

fig. 3 is a sectional view of a flush water switching device according to the first embodiment of the present invention;

FIG. 4 is a partially enlarged view of FIG. 3 according to an embodiment;

fig. 5 is a first schematic view (cross-sectional view) illustrating an operating state of the flush water switching device according to the first embodiment of the present invention;

fig. 6 is a schematic view (cross-sectional view) illustrating a second working state of the flush water switching device according to the first embodiment of the present invention;

fig. 7 is a sectional view of a flush water switching device according to the second embodiment of the present invention;

FIG. 8 is a sectional view of a toilet bowl according to the third embodiment of the present invention;

FIG. 9 is a sectional view of a toilet according to the fourth embodiment of the present invention;

FIG. 10 is a sectional view of a toilet bowl according to the fifth embodiment of the present invention;

FIG. 11 is a sectional view of a toilet according to the sixth embodiment of the present invention;

the toilet comprises a switching piece 1, a switching piece 11, a rotating shaft 12, a plugging part 121, a plugging sheet 122, a sealing rubber gasket, a motor 2, a motor 3, a first sealing ring 4, a second sealing ring 5, a main shell 51, a shell seat 52/53, a joint 54, a shaft hole 55, a water inlet channel 56, one water outlet channel 57, the other water outlet channel 58, a water passing cavity 6, an end cover 7, a fixing cover 8, a waterproof cover 9, a sealing gasket 10, a toilet main body 101, a flushing nozzle 102, a jet nozzle 103, a sewage draining outlet 20, a water pump 30, a water tank 40, a water inlet valve 50/60 and an electromagnetic valve.

Detailed Description

Example one

Referring to fig. 1-5, a flush water switching device for a toilet according to the present invention includes a housing assembly, a switching member 1 and a motor 2, the housing assembly includes a water passing cavity 58, a water inlet channel 55 and at least two water outlet channels 56 and 57, the water passing cavity 58 is communicated with the housing assembly, the switching member 1 includes a rotating shaft 11 and a plugging portion 12 disposed on the rotating shaft 11; the switching piece 1 is arranged in a water passing cavity 58 of the shell assembly, and one end of a rotating shaft 11 of the switching piece 1 penetrates through a shaft hole 54 correspondingly arranged in the shell assembly and is in transmission connection with an output shaft of the motor 2, so that the rotating shaft 11 is driven by the motor 2 to drive the blocking part 12 to block any water outlet channel or open each water outlet channel in a switching manner; 11 one end cover of pivot is equipped with be used for with shaft hole 54 seals complex first sealing washer 3 and second sealing washer 4, first sealing washer 3 is O type circle, second sealing washer 4 is the self-adaptation sealing washer, and its external diameter is followed 11 one end of pivot is gradually littleer to the direction of the other end, just the lateral surface of the big one end of second sealing washer 4 external diameter touch lean on in the medial surface of shaft hole 54, the lateral surface of the little other end of second sealing washer 4 external diameter with the medial surface of shaft hole 54 does not contact. The second sealing ring 4 and the first sealing ring 3 are sequentially distributed along the direction from one end of the rotating shaft 11 to the other end.

In this embodiment, the output shaft of the motor 2 is inserted and fixed into the other end of the rotating shaft 11 along the axial direction of the rotating shaft 11, and the inner side surface of the end with the larger outer diameter of the second seal ring 4 contacts and abuts against the housing of the motor 2.

In this embodiment, the housing assembly includes a main housing 5 having an opening at one axial end, an end cover 6 and a fixing cover 7, the water inlet channel 55 and the water outlet channel are disposed on the main housing 5, the end cover 6 is connected to one axial end of the main housing 5, and the two enclose the water passing cavity 58; the fixed cover 7 is connected to the other axial end of the main shell 5, and the fixed cover and the main shell are matched to form the shaft hole 54, the first sealing ring 3 is in sealing fit with the part of the shaft hole 54 located on the main shell 5, and the second sealing ring 4 is in sealing fit with the part of the shaft hole 54 located on the fixed cover 7; the motor 2 is fixed on one surface of the fixed cover 7 back to the main shell 5. A drain groove (not shown) is formed between the fixing cover 7 and the main casing 5.

In this embodiment, the utility model discloses still include the buckler 8, this buckler 8 connect in fixed lid 7, and cover the motor 2, the buckler 8 with the cooperation has sealed the pad 9 between the fixed lid 7.

In this embodiment, the main housing 5 specifically includes a housing base 51 and two connectors 52 and 53, and each connector is fixed to the housing base 51 by a way of screwing. The number of the water outlet channels is two, wherein the position of one water outlet channel 56 is integrally formed with the shell base 51, the other water outlet channel 57 is formed by one connector 53, and the water inlet channel 55 is formed by the other connector 52.

In this embodiment, the blocking portion 12 includes a blocking sheet 121 and a sealing rubber pad 122 disposed on a blocking surface of the blocking sheet 121, and the blocking sheet 121 is integrally formed with the rotating shaft 11 and located in a radial direction of the rotating shaft 11.

The utility model discloses a wash away auto-change over device for closestool, the first sealing washer 3 that its pivot 11 of switching 1 suit is sealed as the main seal, and second sealing washer 4 is sealed as supplementary, because second sealing washer 4 is the self-adaptation sealing washer, can seal according to part automatic adjustment, consequently can reduce the requirement to pivot 11 and shaft hole 54 axiality to reduce the frictional resistance of pivot 11. When water flows to the second seal ring 4, the water presses the seal ring to make the outer side surface of the other end of the second seal ring 4 having a smaller outer diameter closely contact with the rotating shaft 11, and as shown in fig. 4, the direction of the force of the water flow on the seal ring is indicated by the arrow in fig. 4, so that the second seal ring 4 can ensure effective sealing.

The utility model discloses a wash auto-change over device for closestool, its initial condition is as shown in fig. 5, at this moment, one of them outlet channel 56 of casing assembly is the open mode, and another outlet channel 57 is then stopped up by the shutoff portion 12 of switching piece 1, therefore, works as when inlet channel 55 is intake, rivers flow into in the water cavity 58, and follow one of them outlet channel 56 outputs, as shown in fig. 5, the arrow in the figure indicates the rivers direction. When the motor 2 is started to drive the blocking part 12 of the switching piece 1 to swing towards the direction of the other water outlet channel 57, the other water outlet channel 57 is opened, so that water can be output from the other water outlet channel 57, as shown in fig. 6, and the arrow indicates the water flow direction. When the blocking part 12 of the switch 1 reaches the other water outlet channel 57, the other water outlet channel 57 is blocked, as shown in fig. 6.

The utility model discloses a wash auto-change over device for closestool when carrying out concrete application, any of its two exhalant canals is used for putting through the jet 102 that the urinal bottom of closestool main part 10 set up, and all the other exhalant canals are used for putting through the washing spout 101 (or the water distribution hole) that the urinal top of closestool main part 10 set up, intake channel 55 then puts through the water outlet end of water pump 20 or the water outlet end of solenoid valve 60, as shown in fig. 7-11.

Example two

Referring to fig. 7, the difference between the first embodiment and the second embodiment of the flush switching device of the present invention is: at least one water outlet channel is provided with an air hole 561 which is communicated with the inside of the water outlet channel and the outside atmosphere, specifically, the air hole 561 is arranged on one water outlet channel 56, and when the one water outlet channel 56 is used for providing cleaning surface brushing water for a urinal of a closestool with a water tank, the water in the water tank of the closestool cannot flow into the urinal through a flushing nozzle or a water distribution hole arranged on the top of the urinal, so that when the flushing nozzle or the water distribution hole arranged on the top of the urinal is high-pressure on the water surface of the water tank, the water in the water tank can easily flow into the urinal through the flushing nozzle or the water distribution hole arranged on the top of the urinal due to negative pressure, and the negative pressure can be broken after the air hole 561 is arranged.

EXAMPLE III

Referring to fig. 8, the toilet of the present invention includes a toilet main body 10, at least one swirling flushing type flushing nozzle 101 (the flushing nozzle 101 may be replaced by a plurality of water distribution holes) for brushing the cleaning surface of the toilet bowl is disposed at the top of the toilet bowl of the toilet main body 10, a jet orifice 102 is disposed at the bottom of the toilet bowl of the toilet main body 10, and the jet orifice 102 is opposite to a drain outlet 103 at the bottom of the toilet bowl; the toilet further comprises a flushing switching device for the toilet as described in the first embodiment or the second embodiment, wherein one water outlet channel 56 is communicated with the flushing nozzle 101, and the other water outlet channel 57 is communicated with the jet opening 102. The utility model discloses still include water pump 20, this water pump 20's play water end switch-on the inlet channel 55, water pump 20 supplies water by the water tank 30 that sets up on the closestool main part 10. The water tank 30 is a small water tank integrally formed on the toilet body 10, and a water inlet valve 40 is provided in the water tank 30, and whether the water tank 30 is supplied with water or not is controlled by the water inlet valve 40.

The utility model discloses a toilet bowl, when erodeing, water pump 20 starts, one of them water outlet 56 goes out water earlier, erodees the clean face of the urinal of toilet bowl main part 10, then, and motor 2 starts, makes switching piece 1's shutoff portion 12 is opened another water outlet 57, and the shutoff gradually one of them water outlet 56, water get into the urinal bottom of toilet bowl main part 10, with the filth towards drain 103 to export through the siphon. After the flushing is finished, the water pump 20 stops working, the motor 2 rotates reversely, and the blocking part 12 of the switching piece 1 is driven to reset to a state of blocking the other water outlet channel 57.

Example four

Referring to fig. 9, the difference between the toilet of the present invention and the third embodiment is: the water tank 30 is controlled to supply water or not by an electromagnetic valve 50 connected to a tap water pipe.

The utility model discloses a closestool, its scouring process is as above, and this is no longer repeated.

EXAMPLE five

Referring to fig. 10, the toilet of the present invention is different from the third or fourth embodiment in that: the water tank 30 is made of plastic and is disposed at the rear of the toilet body 10. The water tank 30 is also controlled to supply water using the water inlet valve 40, but is not limited thereto. Because the water tank 30 is at a lower position and the flush switching device is at a higher position, the two water outlets 56 and 57 of the flush switching device do not need to be provided with the air holes, and the two water outlets 56 and 57 can be installed in an arbitrary replaceable manner, so that the water outlet for controlling flushing of the cleaning surface of the toilet bowl is in an open state in the initial state.

The utility model discloses a closestool, its scouring process is as above, and this is no longer repeated here.

EXAMPLE six

Referring to fig. 11, the toilet of the present invention is different from the toilet described in the above embodiments in that: the water inlet channel 55 is directly supplied with water through a tap water pipeline, an electromagnetic valve 60 is arranged between the water inlet channel 55 and the tap water pipeline, the electromagnetic valve 60 controls whether the water inlet channel 55 is supplied with water or not, and specifically, the water outlet end of the electromagnetic valve 60 is communicated with the water inlet channel 55. The other water outlet channel 57 is connected to the flushing nozzle 101, and the one water outlet channel 56 is connected to the jet port 102, but not limited thereto, and in other embodiments, the one water outlet channel is connected to the flushing nozzle, and the other water outlet channel is connected to the jet port. Because the water tank is not arranged in the embodiment, the air holes do not need to be arranged on the two water outlet channels 56 and 57, and the two water outlet channels 56 and 57 can be installed in an arbitrary replaceable way, so that the water outlet channel for controlling the washing surface of the toilet bowl to be flushed is ensured to be in an open state in the initial state.

The utility model discloses a toilet bowl, when erodeing, solenoid valve 60 is opened, another water outlet channel 57 goes out water earlier, erodees the clean face of the urinal of toilet bowl main part 10, then, and motor 2 starts, makes switching piece 1's shutoff portion 12 is opened one of them water outlet channel 56, and closes gradually another water outlet channel 57, water get into the urinal bottom of toilet bowl main part 10, with the filth towards the drain to through siphon output. After the flushing is finished, the electromagnetic valve 60 is closed, the motor 2 rotates reversely, and the blocking part 12 of the switching piece 1 is driven to reset to the state of blocking one of the water outlet channels 56.

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 of 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 (10)

1. A water flushing switching device for a closestool comprises a shell assembly, a switching piece and a motor, wherein the shell assembly is provided with a water passing cavity, a water inlet channel and at least two water outlet channels, the water inlet channel is communicated with the water passing cavity, and the switching piece comprises a rotating shaft and a plugging part arranged on the rotating shaft; the switching piece is arranged in the water passing cavity of the shell assembly, one end of a rotating shaft of the switching piece penetrates through a shaft hole correspondingly arranged in the shell assembly and is in transmission connection with an output shaft of the motor, so that the rotating shaft is driven by the motor to drive the plugging part to plug any water outlet channel or open each water outlet channel; the method is characterized in that: the utility model discloses a shaft hole, including pivot one end cover, second sealing washer, pivot one end cover be used for with shaft hole seal complex first sealing washer and second sealing washer, the second sealing washer is the self-adaptation sealing washer, and its external diameter is followed pivot one end is gradually little to the direction of the other end, just the lateral surface of the big one end of second sealing washer external diameter touches and leans on in the medial surface in shaft hole, the lateral surface of the little other end of second sealing washer external diameter with the medial surface in shaft hole does not contact.

2. The flush switching device for a toilet according to claim 1, wherein: the first sealing ring is an O-shaped ring.

3. The flush switching device for a toilet according to claim 1, wherein: the second sealing ring and the first sealing ring are sequentially distributed along the direction from one end of the rotating shaft to the other end of the rotating shaft.

4. The flush switching device for a toilet according to claim 1, wherein: the output shaft of the motor is inserted and fixed in the other end of the rotating shaft along the axial direction of the rotating shaft, and the inner side surface of one end with the large outer diameter of the second sealing ring is in contact with the shell of the motor.

5. The flush water switching device for a toilet according to any one of claims 1 to 4, wherein: the shell assembly comprises a main shell, an end cover and a fixed cover, wherein an opening is formed in one axial end of the main shell; the fixed cover is connected to the other axial end of the main shell, the fixed cover and the main shell are matched to form the shaft hole, the first sealing ring is in sealing fit with the part, located on the main shell, of the shaft hole, and the second sealing ring is in sealing fit with the part, located on the fixed cover, of the shaft hole; the motor is fixed on one surface of the fixed cover back to the main shell.

6. The flush switching device for a toilet according to claim 5, wherein: a drain groove is formed between the fixing cover and the main casing.

7. The flush switching device for a toilet according to claim 5, wherein: still include the buckler, this buckler connect in fixed lid to cover the motor, the buckler with the cooperation has sealed the pad between the fixed lid.

8. The flush switching device for a toilet according to claim 1, wherein: at least one water outlet channel is provided with an air hole which communicates the inside of the water outlet channel with the outside atmosphere.

9. A closestool comprises a closestool body, wherein the top of a urinal of the closestool body is provided with at least one flushing nozzle or a plurality of water distribution holes for brushing and washing the washing surface of the urinal, the bottom of the urinal of the closestool body is provided with a jet orifice, and the jet orifice is opposite to a sewage discharge outlet at the bottom of the urinal; the method is characterized in that: further comprising a flush switch apparatus for a toilet as claimed in any one of claims 1 to 8; the number of the water outlet channels is two, one water outlet channel is communicated with the jet orifice, and the other water outlet channel is communicated with the flushing jet orifice or the water distribution hole; the water pump is characterized by further comprising a water pump, wherein the water outlet end of the water pump is communicated with the water inlet channel, or the water pump further comprises an electromagnetic valve, and the water outlet end of the electromagnetic valve is communicated with the water inlet channel.

10. The toilet of claim 9, wherein: the water pump is supplied with water by a water tank arranged on the closestool main body.

Images