CN217765326U - Water pressure detection device, closestool flushing control system and closestool - Google Patents

Abstract

The utility model discloses a water pressure detection device, a closestool flushing control system and a closestool, wherein the water pressure detection device comprises a shell, a switch, a piston and a reset component, the switch is arranged on the shell, the shell is provided with a water pressure detection port and a sliding cavity communicated with the water pressure detection port, and the piston is arranged in the sliding cavity in a sliding way and can slide along a first direction under the push of water pressure; the resetting component is arranged in the sliding cavity and is used for driving the piston to slide and reset along a second direction, and the first direction is opposite to the second direction; the piston triggers or releases the switch by sliding. The utility model discloses a water pressure detection device makes the controller that the cooperation was used can directly make corresponding response according to the break-make signal of switch, and need not to change the signal, enlargies etc. and handle to the circuit structure's of messenger's controller design is more simple.

Description

Water pressure detection device, closestool flushing control system and closestool

Technical Field

The utility model relates to a bathroom field especially relates to a water pressure detection device and closestool bath control system and closestool.

Background

The flushing control system of the closestool without the water tank in the prior art comprises a controller and an electric control type flushing unit, wherein the flushing unit is provided with a water inlet end, a first water outlet end used for supplying water for a washing ring water channel of the closestool and a second water outlet end used for supplying water for a spraying water channel of the closestool, the flushing unit is electrically connected with the controller, and the controller controls the water outlet sequence and time of the first water outlet end and the second water outlet end of the flushing unit. The sequence and time of the first and second water outlet ends of the flushing unit are generally fixed, which may cause the following problems: when the water pressure is low, the water outlet flow is small, the impulsive force is weak, and in order to make the toilet reach the standard by flushing, longer water outlet time needs to be set; and the water outlet flow is large when the water pressure is high, the water consumption can become large under the set long water outlet time, the scouring noise is large when the water pressure is high, the water outlet time is long, and troubles can be caused to users.

In order to solve the above problems, some toilet flushing control systems are provided with a water pressure detection device for detecting the water inlet pressure of the flushing unit, so that the controller flexibly controls the water outlet time of the first water outlet end and the second water outlet end of the flushing unit according to the water pressure, and the effects of saving water and reducing noise are achieved. However, the water pressure detection device is often realized by a water pressure sensor, and has the disadvantages of high cost, complicated circuit control and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that prior art exists, provide a water pressure detection device and closestool bath control system and closestool, its water pressure detection device adopts deposits mechanical type structure, and simple structure.

The utility model provides a technical scheme that its technical problem adopted is: a water pressure detection device comprises a shell, a switch, a piston and a reset component, wherein the switch is arranged on the shell, the shell is provided with a water pressure detection port and a sliding cavity communicated with the water pressure detection port, and the piston is arranged in the sliding cavity in a sliding manner and can be pushed by water pressure to slide along a first direction; the resetting component is arranged in the sliding cavity and is used for driving the piston to slide and reset along a second direction, and the first direction is opposite to the second direction; the piston triggers or releases the switch by sliding, the switch is triggered to conduct and the switch is released to open, or the switch is triggered to open and the switch is released to conduct.

Furthermore, the reset component comprises an elastic part and/or a magnetic repulsion component, a first limit part is arranged in the sliding cavity, a second limit part is arranged on the piston, the first limit part is far away from the water pressure detection port than the second limit part, and the elastic part is abutted between the first limit part and the second limit part; the magnetic repulsion component comprises a first magnet arranged on the first limiting part and a second magnet arranged on the second limiting part, and the like magnetic poles of the first magnet and the second magnet are opposite.

Furthermore, the first limiting part is an adjusting nut in threaded connection with the sliding cavity, and the piston penetrates through the adjusting nut.

Further, the second limiting part is a limiting step formed on the side surface of the piston; the elasticity is a spring, and the spring is sleeved outside the piston.

Furthermore, the first end of the piston is pushed by water pressure, and a sealing element is matched between the first end of the piston and the wall of the sliding cavity; the second end of the piston is used to trigger the switch.

Further, the sealing element is a sealing ring sleeved outside the first end of the piston, or the sealing element is a sealing membrane covering the first end of the piston, and the peripheral edge of the sealing membrane is fixed on the wall of the sliding cavity to separate the sliding cavity from the water pressure detection port.

Furthermore, the shell is also provided with an air port communicated with the sliding cavity.

Further, the switch is a microswitch, a button switch or a rocker switch which can be automatically reset; or, the switch comprises two wires, one end of each of the two wires is located in the sliding cavity and is provided with a first conductive part, the piston is provided with a second conductive part, and when the piston slides to the triggering position, the second conductive parts are contacted with the first conductive parts, so that the two wires are conducted.

The water pressure detection port of the shell is communicated with one port of the three-way pipe, and the other two ports of the three-way pipe are a water inlet and a water outlet respectively; or the shell is also provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the water pressure detection port; or the shell is a valve body of a control valve, and the water pressure detection port is communicated with a water inlet of the control valve.

The utility model provides a closestool bath control system in addition, including controller, automatically controlled formula bath unit, this bath unit has the end of intaking, the first water end that goes out that corresponds with the washing circle water route of closestool and the second that corresponds with the injection water route of closestool goes out the water end, the bath unit with the controller electricity is connected, still includes as above-mentioned water pressure detection device, water pressure detection device sets up the end of intaking of bath unit or on the water supply water route that the end of intaking of bath unit is connected, just water pressure detection mouth intercommunication the end of intaking, the switch with the controller electricity is connected, the controller foundation the break-make signal control of switch the play water order and the time of first water end, second play water end.

Furthermore, the flushing unit comprises a first control valve and a second control valve which are independent from each other, and the water inlet ends of the first control valve and the second control valve are respectively communicated with the water supply waterway, or the first control valve and the second control valve are integrated together and share the same water inlet end; the first control valve and the second control valve are respectively electromagnetic valves.

The utility model provides a closestool, including the closestool seat, still include as above-mentioned closestool bath control system, first water outlet end intercommunication the toilet seat wash the circle water route, the second water outlet end intercommunication the injection water route of closestool seat.

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

1. the utility model discloses a water pressure detection device includes shell, switch, piston and reset unit make the utility model discloses a water pressure detection device is pure mechanical structure, simple structure, compactness, and with the utility model discloses a water pressure detection device cooperation applied controller can directly make corresponding response according to the break-make signal of switch, and need not to change the signal, handle such as enlarge to the circuit structure's of messenger's controller design is more simple. Therefore, the utility model discloses a water pressure detection device compares with prior art's water pressure sensor, can greatly reduced cost.

2. The arrangement of the adjusting nut facilitates the adjustment of the pre-pressure of the resetting component on the piston.

3. The sealing diaphragm is preferred to the sealing member, can the greatly reduced sliding resistance of piston, thereby improves the utility model discloses carry out water pressure detection's sensitivity.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the water pressure detecting device, the toilet flushing control system and the toilet of the present invention are not limited to the embodiments.

Drawings

Fig. 1 is a cross-sectional view (including a controller) of a water pressure detecting device according to an embodiment of the present invention in a switch off state;

fig. 2 is a cross-sectional view (including a controller) of the water pressure detecting device according to the first embodiment of the present invention in a switch on state;

FIG. 3 is a cross-sectional view of a toilet flushing system/toilet of the present invention;

fig. 4 is a sectional view of the flushing unit and the water pressure detecting device according to the first embodiment of the present invention in a combined state;

fig. 5 is a sectional view (including a controller) of a water pressure detecting apparatus according to a second embodiment of the present invention in a switch off state;

fig. 6 is a cross-sectional view (including a controller) of the water pressure detecting device according to the second embodiment of the present invention in a switch on state;

fig. 7 is a sectional view of the flushing unit and the water pressure detecting device of the second embodiment of the present invention in a combined state;

the toilet comprises a shell 1, a shell 11, a main shell 12, a cover 111, a sliding cavity 112, a water pressure detection port 121, an atmosphere port 2, a piston 21, a limit step 3, a switch 4, a spring 5, an adjusting nut 6, a sealing ring 7, a three-way pipe 8, a controller 9, a flushing unit 91, a first control valve 92, a second control valve 10, a toilet seat 101, a washing ring water path 102, an injection water path 20 and a sealing diaphragm.

Detailed Description

In the present application, the terms "first", "second", and the like are used only for distinguishing similar objects, and are not necessarily used for describing a specific order or sequence, and are not understood to indicate or imply relative importance, and in the description of the present application, "and/or" describes an association relationship of associated objects, meaning that there may be three relationships, for example, a and/or B, may indicate: a exists alone, A and B exist simultaneously, and B exists alone.

Example one

Referring to fig. 1 and 2, a water pressure detecting device of the present invention includes a housing 1, a switch 3, a piston 2 and a reset component, wherein the switch 3 is disposed on the housing 1, the housing 1 is provided with a water pressure detecting port 112 and a sliding cavity 111 communicating with the water pressure detecting port 112, the piston 2 is slidably disposed in the sliding cavity 111 and can be pushed by water pressure to slide along a first direction, and a reset component for driving the piston 2 to slide and reset along a second direction is engaged between the piston 2 and the housing 1, the first direction is opposite to the second direction; the piston 2 triggers or releases the switch 3 by sliding, specifically, when the piston 2 slides to a triggering position along the first direction, the piston 2 triggers the switch 3, and when the piston 2 slides along the second direction or the distance of the sliding of the piston 2 along the first direction is not enough to trigger the switch 3, the switch 3 is released. The switch 3 is normally open, and is triggered to be turned on and released to be turned off, but not limited thereto, and in other embodiments, the switch 3 is normally closed, and is triggered to be turned off and released to be turned on.

In this embodiment, the reset component includes an elastic member, a first limiting portion is disposed in the sliding cavity 111, a second limiting portion is disposed on the piston 2, the first limiting portion is farther away from the water pressure detection port 112 than the second limiting portion, and the elastic member abuts between the first limiting portion and the second limiting portion. The elasticity is specifically a spring 4 which is sleeved outside the piston 2. In other embodiments, the restoring member includes a magnetic repulsion component, the magnetic repulsion component includes a first magnet disposed on the first position-limiting portion and a second magnet disposed on the second position-limiting portion, and the like poles of the first magnet and the second magnet are opposite. In other embodiments, the restoring member includes the resilient member and a magnetically repulsive assembly.

In this embodiment, the first limiting portion is an adjusting nut 5 screwed into the sliding cavity 111, and the piston 2 is disposed through the adjusting nut 5, so that the pre-pressure of the spring 4 on the piston 2 can be adjusted by changing the position of the adjusting nut 5. The second limiting part is a limiting step 21 formed on the side surface of the piston 2.

In this embodiment, the piston 2 is located between the switch 3 and the water pressure detection port 112, such that a first end of the piston 2 is used for receiving water pressure to push, and a second end of the piston 2 is used for triggering the switch 3. The first end and the second end of the piston 2 refer to both ends of the piston 2 in the length direction. A sealing element is matched between the first end of the piston 2 and the wall of the sliding cavity 111. The sealing element is specifically a sealing ring 6 sleeved outside the first end of the piston 2, and the radial cross section of the sealing ring 6 is Y-shaped, but not limited to this, and in other embodiments, the radial cross section of the sealing ring is V-shaped or O-shaped.

In this embodiment, the switch 3 is a push-button switch capable of resetting automatically, but not limited to this, in other embodiments, the switch is a micro-switch or a rocker switch capable of resetting automatically, or the switch includes two wires, one end of each of the two wires is located in the sliding cavity and is provided with a first conductive portion, and the piston is provided with a second conductive portion, and when the piston slides to the triggering position, the second conductive portion contacts with each of the first conductive portions to conduct the two wires.

In this embodiment, the utility model discloses still include three-way pipe 7, the water pressure detection mouth 112 of shell 1 with one of them port of three-way pipe 7 is put through mutually, all the other two ports of three-way pipe 7 are water inlet and delivery port respectively. In other embodiments, the housing is a valve body of a control valve, and the water pressure detection port is communicated with a water inlet of the control valve. In other embodiments, the housing is further provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with the water pressure detection port.

In this embodiment, the utility model discloses a shell 1 includes main casing body 11 and lid 12 that both ends link up, main casing body 11 forms sliding chamber 111, and main casing body 11's one end sets up water pressure detection mouth 112, the inside threaded connection of main casing body 11's the other end have adjusting nut 5, the outside threaded connection of main casing body 11's the other end have lid 12, switch 3 set up in lid 12.

The utility model discloses a water pressure detection device, it can be applied to among the closestool bath control system to a water pressure's that intakes size for detecting among the closestool bath control system, and its switch 3 is connected with the 8 electricity of the controller of the bath control system of this closestool. When the water pressure is lower than the preset value, the water pressure cannot push the piston 2 to slide along the first direction, or the sliding distance of the piston 2 is not enough to press a button of the switch 3, as shown in fig. 1, the switch 3 is turned off, and the controller 8 judges that the water pressure is in a low water pressure state; when the water pressure is higher than the preset value, the water pressure pushes the piston 2 to slide to the triggering position along the first direction, as shown in fig. 2, the piston 2 presses the button of the switch 3, so that the switch 3 is turned on, and the controller 8 judges that the water pressure is in a high water pressure state.

The utility model discloses a water pressure detection device, it is pure mechanical type structure, simple structure, compactness, and can directly make corresponding response according to switch 3's break-make signal rather than the controller 8 that the cooperation was used, and need not to change the signal, handle such as enlargies to the design that makes controller 8's circuit structure is more simple. Therefore, the utility model discloses a water pressure detection device compares with prior art's water pressure sensor, can greatly reduced cost.

Please refer to fig. 3 and 4, the utility model discloses a toilet flushing control system, including controller 8, the automatically controlled formula bath unit 9, this bath unit 9 has the end of intaking, the first water end that corresponds with the washing circle water route of closestool and the second water end that corresponds with the injection water route of closestool, bath unit 9 with the controller 8 electricity is connected, still include as above the utility model discloses a water pressure detection device, water pressure detection device sets up on the water supply water route that the end of intaking of bath unit 9 or the end of intaking of bath unit 9 is connected, and water pressure detection port 112 communicates the end of intaking, switch 3 with the controller 8 electricity is connected, controller 8 basis switch 3's on-off signal control the play water order and the time of first water end, second water end.

In this embodiment, the flushing unit 9 includes a first control valve 91 and a second control valve 92, and the first control valve 91 and the second control valve 92 are electromagnetic valves respectively, are integrated together, and share the same water inlet end. The water pressure detection device is specifically connected to the water inlet end of the flushing unit 9 through a tee pipe 7 of the water pressure detection device. In other embodiments, the first control valve and the second control valve are independent from each other, and the water inlet ends of the first control valve and the second control valve are respectively communicated with the water supply waterway.

The utility model discloses a closestool bath control system, its theory of operation as follows:

(1) Before flushing, the water pressure is lower than a preset value (the preset value is preferably 0.15 MPa), the piston 2 cannot be pushed to move or the moving distance of the piston 2 is not enough to press a button of the switch 3, the controller 8 detects that the switch 3 is switched off, judges that the water pressure is in a low water pressure state, and selects a flushing process with a long time, taking a single-flushing toilet as an example, the flushing process is as follows: the first control valve 91 is opened, the washing loop water channel discharges water, and the washing loop water channel is closed after 5 seconds; immediately after the second control valve 92 is opened, the spraying waterway discharges water, and the spraying waterway is closed after lasting for 5 s; immediately after the first control valve 91 is opened, the water outlet of the washing loop water path is closed after 5.5 seconds.

(2) Before scouring, water pressure is higher than the default, and water pressure promotes piston 2 and moves along first direction, makes piston 2 press switch 3's button, and controller 8 detects switch 3 and switches on, judges for the high water pressure state, selects the shorter scouring flow of time to the single towards formula closestool of high pressure current-limiting is the example, and the scouring flow is: the first control valve 91 is opened, the washing water channel discharges water, and the washing water channel is closed after the duration time is 4 s; immediately after the second control valve 92 is opened, the spraying waterway discharges water, and the spraying waterway is closed after 2 s; immediately after the first control valve 91 is opened, the water outlet of the washing loop water path is closed after the water outlet lasts for 4.5 seconds.

Referring to fig. 3 and 4, the toilet of the present invention includes a toilet seat 10 and a toilet flushing control system as described in the present invention, wherein the first water outlet end is connected to a toilet seat water path 101 of the toilet seat 10, and the second water outlet end is connected to a spraying water path 102 of the toilet seat 10.

In this embodiment, the end of the wash ring water path 101 is a wash ring nozzle, and the end of the injection water path 102 is an injection nozzle, but is not limited thereto. In other embodiments, the end of the wash ring waterway is provided with a plurality of water distribution holes arranged along the circumferential direction of the top of the urinal of the toilet seat, or the end of the wash ring waterway is provided with a flushing hole arranged on the top of the urinal. In other embodiments, the jet head may be replaced by a jet port provided at the bottom of the bowl.

The utility model discloses a closestool, its erodees the principle as above, and here is no longer repeated.

Example two

Referring to fig. 5 and 6, the difference between the water pressure detecting device, the toilet flushing control system and the toilet of the present invention and the first embodiment is: the sealing member is a sealing membrane covering the first end of the piston 2, and the peripheral edge of the sealing membrane is fixed to the wall of the sliding chamber 111 to separate the sliding chamber 111 from the water pressure detection port 112. Specifically, the peripheral edge of the sealing diaphragm is pressed by the peripheral edge of one of the ports of the three-way pipe 7 in the water pressure detection port 112. Sealed diaphragm's setting not only can effectively prevent water pressure detection mouth 112 and slip chamber 111, makes water can not get into in the slip chamber 111, still makes water pressure can promote piston 2 through the middle part that acts on sealed diaphragm and slides, and sealed diaphragm can not make piston 2 slide smoothly to piston 2's slip production frictional resistance, thereby can improve the utility model discloses the sensitivity that carries out the water pressure and detect.

In this embodiment, the housing 1 is further provided with an atmospheric port 121 communicating with the sliding cavity 111, so that when the piston 2 is pushed by water pressure, air in the sliding cavity 111 is not compressed to affect sliding of the piston 2. The atmospheric air port 121 is specifically provided in the lid body 12.

In this embodiment, when in use, the housing 1 is also connected to the water inlet end of the flushing unit 9 through a tee pipe 7, as shown in fig. 7.

The utility model discloses a water pressure detection device and closestool bath control system and closestool, its theory of operation as above, here is no longer repeated.

The utility model discloses a water pressure detection device and closestool bath control system and closestool does not relate to the part and all is the same with prior art or can adopt prior art to realize.

The above-mentioned embodiment only is used for further explaining the utility model discloses a water pressure detection device and closestool bath control system and closestool, nevertheless the utility model discloses do not confine the embodiment to, all be the basis the utility model discloses a technical essence is any simple modification, the equivalent change and the decoration of doing above embodiment, all falls into the technical scheme's of the utility model protection within range.

Claims (11)

1. A water pressure detection device is characterized in that: the water pressure detection device comprises a shell, a switch, a piston and a reset component, wherein the switch is arranged on the shell, the shell is provided with a water pressure detection port and a sliding cavity communicated with the water pressure detection port, and the piston is arranged in the sliding cavity in a sliding manner and can slide along a first direction under the pushing of water pressure; the resetting component is arranged in the sliding cavity and is used for driving the piston to slide and reset along a second direction, and the first direction is opposite to the second direction; the piston triggers or releases the switch by sliding, the switch is triggered to conduct and the switch is released to open, or the switch is triggered to open and the switch is released to conduct.

2. The water pressure detecting apparatus according to claim 1, wherein: the reset component comprises an elastic part and/or a magnetic repulsion component, a first limit part is arranged in the sliding cavity, a second limit part is arranged on the piston, the first limit part is far away from the water pressure detection port than the second limit part, and the elastic part is abutted between the first limit part and the second limit part; the magnetic repulsion component comprises a first magnet arranged on the first limiting part and a second magnet arranged on the second limiting part, and the like magnetic poles of the first magnet and the second magnet are opposite.

3. The water pressure detecting apparatus according to claim 2, wherein: the first limiting part is in threaded connection with an adjusting nut in the sliding cavity, and the piston penetrates through the adjusting nut.

4. The water pressure detecting apparatus according to claim 2, wherein: the second limiting part is a limiting step formed on the side surface of the piston; the elasticity is a spring, and the spring is sleeved outside the piston.

5. The water pressure detecting apparatus according to claim 1, wherein: the first end of the piston is pushed by water pressure, and a sealing element is matched between the first end of the piston and the wall of the sliding cavity; the sealing element is a sealing ring sleeved outside the first end of the piston, or the sealing element is a sealing membrane which covers the first end of the piston, and the peripheral edge of the sealing membrane is fixed on the wall of the sliding cavity so as to separate the sliding cavity from the water pressure detection port; the second end of the piston is used for triggering the switch.

6. The water pressure detecting apparatus according to claim 5, wherein: the shell is also provided with an air port communicated with the sliding cavity.

7. The water pressure detecting apparatus according to claim 1, wherein: the switch is a microswitch, a button switch or a rocker switch which can be automatically reset; or, the switch comprises two wires, one end of each of the two wires is located in the sliding cavity and is provided with a first conductive part, the piston is provided with a second conductive part, and when the piston slides to the triggering position, the second conductive parts are in contact with the first conductive parts, so that the two wires are conducted.

8. The water pressure detecting apparatus according to claim 1, wherein: the water pressure detection port of the shell is communicated with one port of the three-way pipe, and the other two ports of the three-way pipe are a water inlet and a water outlet respectively; or the shell is also provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the water pressure detection port; or the shell is a valve body of a control valve, and the water pressure detection port is communicated with a water inlet of the control valve.

9. The utility model provides a closestool bath control system, includes controller, the automatically controlled formula bath unit, and this bath unit has into water the end, with the first play water end that corresponds in the toilet seat water route and the second play water end that corresponds in the injection water route of closestool, the bath unit with the controller electricity is connected, its characterized in that: the water pressure detection device of any one of claims 1 to 8, wherein the water pressure detection device is arranged on the water inlet end of the flushing unit or a water supply waterway connected with the water inlet end of the flushing unit, the water pressure detection port is communicated with the water inlet end, the switch is electrically connected with the controller, and the controller controls the water outlet sequence and time of the first water outlet end and the second water outlet end according to the on-off signal of the switch.

10. The toilet flush control system according to claim 9, wherein: the flushing unit comprises a first control valve and a second control valve which are independent from each other, and the water inlet ends of the first control valve and the second control valve are respectively communicated with the water supply waterway, or the first control valve and the second control valve are integrated together and share the same water inlet end; the first control valve and the second control valve are electromagnetic valves respectively.

11. A toilet comprising a toilet seat, characterized in that: the toilet flushing control system as claimed in claim 9 or 10, wherein the first water outlet end is connected to the rim water path of the toilet seat, and the second water outlet end is connected to the spraying water path of the toilet seat.

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