Sanitary appliance flushing device

Abstract

A sanitary appliance flushing device comprises a water part, a driving motor, a transmission mechanism, an acting part, a control module and a trigger module which are arranged on a toilet stool, the driving motor is in driving connection with the transmission mechanism, the acting part is arranged on the transmission mechanism, the acting part is arranged above the water part in an up-down moving mode, and the control module is in communication connection with the trigger module and the driving motor. Through the arrangement of the driving motor, the transmission mechanism, the acting piece, the control module and the trigger module, non-contact control can be achieved through the parts, that is, hand contact control is not needed, germ contact spreading can be avoided, and the device is more sanitary and quite suitable for public places; the trigger modules are a kicking switch, a seating sensor, a distance sensor or an action sensor and the like, the trigger modules can be arranged in the toilet together, rapid flushing in multiple modes is achieved, the control modes are diversified, flushing of the toilet is more intelligent, and meanwhile operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of toilets, in particular to a flushing device for sanitary ware. Background Art

[0002] Chinese patent document No. CN207545013U disclosed a toilet handrail on June 29, 2018, including a handrail, a connecting rod, a cover plate and a toilet body; the handrail is connected to the cover plate through a connecting rod, is arranged on the side of the toilet body, and the cover plate is installed on the toilet body; the handrail includes a connecting section, a grip section, a left side A, a right side B and a front side C; a connecting circular hole is opened at the lower end of the connecting section, the connecting circular hole is connected to the connecting rod, and the lower end of the connecting section is U-shaped; the upper end of the connecting section is connected to the grip section; the connecting section and the grip section form an angle greater than 90° and less than 145°; the grip section includes a trapezoidal concave surface, a first button, a second button and a flush button. This toilet can only be flushed by a flush button or a flush button. If the toilet is used in a public place, the flush button will be touched by countless people, which can easily spread germs. Some existing toilets can achieve contactless control. By putting your hand close to the sensing module, contactless flushing can be achieved, but it is still not smart enough and the operation is not convenient enough.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a sanitary ware flushing device with simple and reasonable structure, convenient operation, environmental protection and hygiene, good user experience and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A sanitary ware flushing device designed for this purpose includes a water piece arranged on a toilet, and is characterized in that it also includes a driving motor, a transmission mechanism, an action piece, a control module and a trigger module, the driving motor drives and connects to the transmission mechanism, the action piece is arranged on the transmission mechanism, and the action piece is movably arranged above the water piece, and the control module is respectively communicated with the trigger module and the driving motor; when the trigger module is triggered, the control module controls the driving motor to drive the action piece to move downward through the transmission mechanism, so that the action piece pushes the water piece downward.

[0006] The trigger module is a foot switch, which is arranged at the bottom of the toilet. The control module is connected to the foot switch in communication, and a switch signal generated when the foot switch is touched is transmitted to the control module.

[0007] A seat cover assembly is arranged on the toilet, the trigger module is a sitting sensor arranged on the seat cover assembly, the control module is communicatively connected to the sitting sensor, and the action signal detected by the sitting sensor is transmitted to the control module.

[0008] The trigger module is a distance sensor arranged on the toilet, the control module is communicatively connected to the distance sensor, and the distance signal detected by the distance sensor is transmitted to the control module.

[0009] The trigger module is a motion sensor disposed on the toilet, and the control module is communicatively connected to the motion sensor. The motion signal detected by the motion sensor is transmitted to the control module.

[0010] It also includes a power module, which is electrically connected to the control module;

[0011] A battery module is provided on the toilet, and the power module is electrically connected to the battery module;

[0012] Alternatively, the power module is connected to an external power source.

[0013] The trigger module is electrically connected to the control module via wires; or, a wireless module is provided on the trigger module, and the wireless module is wirelessly connected to the control module.

[0014] The transmission mechanism comprises a gear and a rack. The driving motor drives the connecting gear. The gear and the rack are meshed for transmission. The action member is arranged on the rack.

[0015] It also includes a mounting shell and a connecting piece. The driving motor and the transmission mechanism are mounted on the mounting shell. The mounting shell is fixed on the connecting piece, and the connecting piece is fixed on the water piece.

[0016] A buckle is provided on the installation shell, and a buckle hole is provided on the connecting piece, and the buckle and the buckle hole are buckled with each other;

[0017] The connecting piece is provided with a sleeve hole, through which the connecting piece is sleeved on the water piece, and a plurality of latch teeth cooperating with the outer wall of the water piece are provided on the hole wall of the sleeve hole;

[0018] A notch is provided on one side of the sleeve hole, a first fixing hole is provided on one side of the notch, and a second fixing hole is provided on the other side. A fastening component passes through the first fixing hole and the second fixing hole in sequence, and the fastening component is fastened to the second fixing hole to fix the connecting piece on the water piece.

[0019] The utility model provides a driving motor, a transmission mechanism, an action member, a control module and a trigger module. Through the above components, contactless control can be achieved, that is, there is no need to touch the control with hands, which can avoid the contact and transmission of germs, is more hygienic, and is very suitable for public places. The trigger module is a foot switch, a sitting sensor, a distance sensor or a motion sensor, etc. The above trigger modules can be arranged in the toilet together to achieve rapid flushing in multiple ways and diversified control methods, so that the flushing of the toilet is more intelligent and more convenient to operate. The flushing device is suitable for most squat toilets and toilet water tanks on the market, and can be matched with various intelligent toilet seats. The scope of application is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a side view of a toilet in one embodiment of the utility model.

[0021] Figure 2 It is a cross-sectional view of a toilet in one embodiment of the utility model.

[0022] Figure 3 It is a schematic diagram of the exploded structure of a toilet in one embodiment of the utility model.

[0023] Figure 4 The figure is a schematic diagram of the overall structure of a foot switch in one embodiment of the utility model.

[0024] Figure 5 It is a schematic diagram of the overall structure of a controller in one embodiment of the utility model.

[0025] Figure 6 Schematic diagram of the overall structure of a distance sensor or a motion sensor in one embodiment of the present invention.

[0026] Figure 7 It is a schematic diagram of the overall structure of a control box in one embodiment of the utility model.

[0027] Figure 8 It is a schematic diagram of the overall structure of the flushing device in one embodiment of the utility model.

[0028] Fig. 9 It is a partial structural exploded view of the flushing device in one embodiment of the utility model.

[0029] Fig.10 It is a partial structural exploded view of the flushing device in one embodiment of the utility model.

[0030] Fig.11 This is a connection principle diagram of a flushing device in one embodiment of the utility model.

[0031] Fig.12 This is a circuit structure diagram of a main control chip in one embodiment of the utility model.

[0032] Fig.13 1 is a circuit structure diagram of a power module in one embodiment of the utility model.

[0033] Fig.14 1 is a circuit structure diagram of a motor drive module in one embodiment of the utility model. DETAILED DESCRIPTION

[0034] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0035] See also Figure 1-Figure 14The flushing device of the sanitary ware comprises a water piece 2 arranged on the toilet 1, and also comprises a driving motor 3, a transmission mechanism 4, an action piece 5, a control module 6 and a trigger module. The driving motor 3 is driven and connected to the transmission mechanism 4. The action piece 5 is arranged on the transmission mechanism 4, and the action piece 5 is movably arranged above the water piece 2. The control module 6 is respectively communicated with the trigger module and the driving motor 3; when the trigger module is triggered, the control module 6 controls the driving motor 3 to drive the action piece 5 to move downward through the transmission mechanism 4, so that the action piece 5 pushes the water piece 2 downward to realize the flushing action.

[0036] The trigger module is a foot switch 7, which is arranged at the bottom of the toilet 1. The control module 6 is connected to the foot switch 7 (via wires), and the switch signal formed when the foot switch 7 is touched is transmitted to the control module 6; after using the toilet, the user touches the foot switch with his foot, and the control module 6 detects the high and low switch signals, and then the control module 6 outputs a drive signal to start the drive motor 3 to rotate forward. According to the motor rotation time set by the structure of the flushing device, the drive motor 3 stops rotating when it reaches the downward position of the water component 2. After staying for a certain flushing delay time, the control module 6 outputs a reverse drive signal, and the drive motor 3 starts to reverse to make the water component 2 return to the initial position, and the entire flushing control process ends; the foot switch 7 is a mechanical switch control quantity, forming a high and low level signal, and the controller detects the signal change and starts flushing.

[0037] A seat cover assembly 8 is provided on the toilet 1, and the trigger module is a sitting sensor 9 provided on the seat cover assembly 8. The control module 6 is connected to the sitting sensor 9 in communication, and the action signal detected by the sitting sensor 9 is transmitted to the control module 6; after the user sits on the toilet 1, the sitting sensor 9 on the seat cover assembly 8 detects the human body sitting action. After the person leaves the toilet 1, the sitting sensor 9 detects that the person leaves after using the toilet 1. After a certain delay time, the sitting sensor 9 transmits the action signal to the control module 6, and the control module 6 executes the flushing signal action. The control module 6 outputs a driving signal to let the driving motor 3 start to rotate forward. According to the motor rotation time set by the structure of the flushing device, the water part 2 reaches the designated downward pressure position and the driving motor 3 stops rotating. After staying for a certain flushing delay time, the control module 6 outputs a reverse driving signal, and the driving motor 3 starts to reverse to make the water part 2 return to the initial position, and the entire flushing control process ends.

[0038] The trigger module is a distance sensor 10 arranged on the toilet 1, and the control module 6 is communicatively connected to the distance sensor 10, and the distance signal detected by the distance sensor 10 is transmitted to the control module 6; when the human palm is about 3 cm away from the distance sensor, the distance sensor 10 sends a signal to the control module 6, and the control module 6 outputs a driving signal to let the driving motor 3 start to rotate forward. According to the motor rotation time set by the structure of the flushing device, when the water piece 2 reaches the designated downward pressure position, the driving motor 3 stops rotating. The stop time of the driving motor 3 is set according to the size of the water tank of the toilet 1. After staying for a certain flushing lag time, the control module 6 outputs a reverse driving signal, and the driving motor 3 starts to reverse to make the water piece 2 return to the initial position, and the entire flushing control process ends.

[0039] The trigger module is a motion sensor 11 arranged on the toilet 1, and the control module 6 is connected to the motion sensor 11 in communication, and the motion signal detected by the motion sensor 11 is transmitted to the control module 6; the user waves his hand about 3 cm in front of the motion sensor 11 to trigger it, and the motion sensor 11 detects the waving action of the human body, and the motion sensor 11 sends the motion signal to the control module 6, and the control module 6 outputs a driving signal to start the driving motor 3 to rotate forward. According to the rotation time of the driving motor 3 set in the structure of the flushing device, when the water component 2 reaches the designated downward pressure position, the driving motor 3 stops rotating. After staying for a certain flushing delay time, the control module 6 outputs a reverse driving signal, and the driving motor 3 starts to reverse to make the water component 2 return to the initial position, and the entire flushing control process ends.

[0040] The control module 6 is arranged on the toilet 1, and the control module 6 is a controller ( Figure 5 ) or control box ( Figure 8 ), a control chip 27 is provided in the control module 6, and the control chip 27 adopts the CMS79F111 chip.

[0041] It also includes a power module 12, which is electrically connected to the control module 6; a battery module 13 is arranged on the toilet 1, and the power module 12 is electrically connected to the battery module 13; or, the power module 12 is connected to an external power supply 26; the power module 12 is a DC-DC power module, and the flushing device is powered by a DC12V direct current power supply. The power module 12 converts the DC12V voltage into a DC5V voltage through the DC-DC power module, and the drive motor 3 adopts a DC5V direct current brushed motor; the battery module uses a 3.7V / 2200mA 18650 rechargeable lithium battery, which has a longer service life and is more environmentally friendly. Through a battery management module or a power supply step-down management device, the lithium battery can be charged and managed, the power level can be displayed, and the voltage can be boosted; in addition, the battery module 13 can be arranged in the control box.

[0042] The trigger module is electrically connected to the control module 6 via wires; alternatively, a wireless module is provided on the trigger module, and the wireless module is wirelessly connected to the control module 6; in the present embodiment, the foot switch 7 is connected to the control module 6 via wires, the location sensor 9, the distance sensor 10 and the motion sensor 11 can be connected to the control module 6 via wires or wirelessly, the distance sensor 10 and the motion sensor 11 use non-contact capacitive touch technology, and when a human body approaches, the capacitance changes, thereby forming a start signal; the wireless module is an RF radio module, and the RF radio module sends the action signal to the control module 6, and the control module 6 then performs the flushing action.

[0043] It also includes a motor drive module 28. The control module 6 is electrically connected to the motor drive module 28. The motor drive module 28 is electrically connected to the drive motor 3. The motor drive module 28 is an H-bridge drive module, which uses an integrated 4-way MOS field effect transistor device to distribute power in different conduction modes, allowing the drive motor 3 to be in four states: forward conduction, reverse conduction, braking and complete release, so that the drive motor 3 can perform different actions.

[0044] The drive motor 3 is assembled by glue filling + ultrasonic welding to achieve double waterproofing to IPX6 level waterproofing. The drive motor 3 adopts a 4.3 Newton torque DC5V power supply reduction motor, and the operation is stable and reliable.

[0045] The flushing device can be combined with any other control system. As long as the other system provides DC12V power supply and controls the on / off of the power supply, the flushing of the toilet 1 can be perfectly controlled by combining with the control system.

[0046] The transmission mechanism 4 includes a gear 14 and a rack 15. The driving motor 3 drives the connecting gear 14. The gear 14 and the rack 15 are meshed for transmission. The action member 5 is arranged on the rack 15, and the action member 5 is an action rod. When the driving motor 3 rotates forward, the rack 15 is driven downward by the gear 14 to make the action member 5 push the water member 2. When the driving motor 3 rotates reversely, the rack 15 is driven upward by the gear 14 to make the action member 5 reset upward, thereby making the water member 2 return to the initial position. The gear rack has high operation accuracy and can respond quickly, and an execution action can be completed within 30mS.

[0047] It also includes a mounting shell 16 and a connecting piece 17 . The driving motor 3 and the transmission mechanism 4 are mounted on the mounting shell 16 . The mounting shell 16 is fixed on the connecting piece 17 . The connecting piece 17 is fixed on the water piece 2 .

[0048] The mounting shell 16 is provided with a buckle 18, and the connecting member 17 is provided with a buckle hole 19. The buckle 18 and the buckle hole 19 are buckled with each other to fix the mounting shell 16 on the connecting member 17; the mounting shell 16 is provided with a motor shell 29, and the driving motor 3 is fixed on the motor shell 29.

[0049] A sleeve hole 20 is provided on the connecting piece 17, and the connecting piece 17 is sleeved on the water piece 2 through the sleeve hole 20. A plurality of teeth 21 cooperating with the outer wall of the water piece 2 are provided on the hole wall of the sleeve hole 20; the connecting piece 17 is a clamp, and the clamp is made of hard plastic with teeth 21, which is not easy to fall off after installation and is convenient and quick to disassemble.

[0050] A notch 22 is provided on one side of the sleeve hole 20, a first fixing hole 23 is provided on one side of the notch 22, and a second fixing hole 24 is provided on the other side. A fastening component 25 passes through the first fixing hole 23 and the second fixing hole 24 in sequence, and the fastening component 25 is fastened to the second fixing hole 24 so that the connecting member 17 is fixed on the water component 2; the first fixing hole 23 is a screw fixing hole, and the second fixing hole 24 is a nut fixing hole. The fastening component 25 includes a hand screw 30 and a nut 31. The hand screw 30 is passed through the screw fixing hole and the nut fixing hole in sequence, and then the nut 31 is installed on the nut fixing hole, and the hand screw 30 is locked so that the connecting member 17 is clamped on the top of the water component 2.

[0051] The utility model also includes a key flushing assembly, which includes a key 32 and a movable rod assembly 33. The key 32 is installed on the movable rod assembly 33. The movable rod assembly 33 is movably arranged above the water component 2. A reset spring is arranged between the movable rod assembly 33 and the key 32. When the key 32 is pressed, the movable rod assembly 33 pushes the water component 2 to realize the flushing action. When the key 32 is released, the reset spring realizes the reset of the key 32 and the movable rod assembly 33. When the power is off, the user can realize manual flushing through the key flushing assembly.

[0052] For other structures of the flushing device, reference may be made to patent CN112746655A.

[0053] The flushing device has a simple structure and is easy to install. There is no need to change the original flushing method and flushing device. It can be directly installed on the original device without affecting the original use. It has a wide range of applications and can be used for most squat toilets and toilet flushing devices on the market. In addition, the structure is waterproof, the flushing device is driven by a reduction DC motor, and the assembly structure can reach IPx 6 waterproof level.

[0054] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A flushing device for a sanitary ware, comprising a water piece (2) arranged on a toilet (1), characterized in that: The device further comprises a driving motor (3), a transmission mechanism (4), an action member (5), a control module (6) and a trigger module, wherein the driving motor (3) is connected to the transmission mechanism (4), the action member (5) is arranged on the transmission mechanism (4), and the action member (5) is arranged above the water member (2) so as to be movable up and down, and the control module (6) is respectively connected to the trigger module and the driving motor (3) in communication; when the trigger module is triggered, the control module (6) controls the driving motor (3) to drive the action member (5) to move downwards through the transmission mechanism (4), so that the action member (5) pushes the water member (2) downwards.

2. The sanitary ware flushing device according to claim 1, characterized in that: The trigger module is a foot switch (7), which is arranged at the bottom of the toilet (1). The control module (6) is communicatively connected to the foot switch (7), and a switch signal generated when the foot switch (7) is triggered is transmitted to the control module (6).

3. The sanitary ware flushing device according to claim 1, characterized in that: The toilet (1) is provided with a seat cover assembly (8); the trigger module is a sitting sensor (9) provided on the seat cover assembly (8); the control module (6) is communicatively connected to the sitting sensor (9); and an action signal detected by the sitting sensor (9) is transmitted to the control module (6).

4. The sanitary ware flushing device according to claim 1, characterized in that: The trigger module is a distance sensor (10) arranged on the toilet (1), the control module (6) is communicatively connected to the distance sensor (10), and the distance signal detected by the distance sensor (10) is transmitted to the control module (6).

5. The sanitary ware flushing device according to claim 1, characterized in that: The trigger module is a motion sensor (11) arranged on the toilet (1), and the control module (6) is communicatively connected to the motion sensor (11), and the motion signal detected by the motion sensor (11) is transmitted to the control module (6).

6. The sanitary ware flushing device according to claim 1, characterized in that: It also includes a power module (12), the power module (12) being electrically connected to the control module (6); A battery module (13) is provided on the toilet (1), and the power module (12) is electrically connected to the battery module (13); Alternatively, the power module (12) is connected to an external power source (26).

7. The sanitary ware flushing device according to claim 1, characterized in that: The trigger module is electrically connected to the control module (6) via an electric wire; or, a wireless module is provided on the trigger module, and the wireless module is wirelessly connected to the control module (6).

8. The sanitary ware flushing device according to claim 1, characterized in that: The transmission mechanism (4) comprises a gear (14) and a rack (15); the driving motor (3) drives the connecting gear (14); the gear (14) and the rack (15) are meshed for transmission; and the action member (5) is arranged on the rack (15).

9. The sanitary ware flushing device according to claim 1, characterized in that: It also includes a mounting shell (16) and a connecting piece (17), wherein the drive motor (3) and the transmission mechanism (4) are mounted on the mounting shell (16), the mounting shell (16) is fixed on the connecting piece (17), and the connecting piece (17) is fixed on the water piece (2).

10. The sanitary ware flushing device according to claim 9, characterized in that: A buckle (18) is provided on the mounting shell (16), a buckle hole (19) is provided on the connecting piece (17), and the buckle (18) and the buckle hole (19) are buckled with each other; The connecting piece (17) is provided with a sleeve hole (20), and the connecting piece (17) is sleeved on the water piece (2) through the sleeve hole (20); and a plurality of latch teeth (21) are provided on the hole wall of the sleeve hole (20) and cooperate with the outer wall of the water piece (2); A notch (22) is provided on one side of the sleeve hole (20); a first fixing hole (23) is provided on one side of the notch (22) and a second fixing hole (24) is provided on the other side; a fastening component (25) passes through the first fixing hole (23) and the second fixing hole (24) in sequence, and the fastening component (25) is fastened to the second fixing hole (24), so that the connecting piece (17) is fixed to the water piece (2).

Images