Water tank drain valve electric control flushing mechanism and closestool flushing device

By suspending and installing an electrically controlled flushing mechanism on the drain button of the toilet tank, the problem of modifying the traditional toilet tank drain switch is solved, realizing the stability and convenience of electrically controlled flushing and improving the user experience of the toilet.

CN223907608UActive Publication Date: 2026-02-13RENQIU LEPU PLASTIC IND CO LTD
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Patent Information

Application Number
CN202520336373.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-13
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Traditional toilet tank flush switches cannot be converted to electronic ones, and the installation of electronically controlled flushing mechanisms is prone to deformation or damage.

Method used

Using the water tank drain button as the installation base, the electric flushing is achieved through the suspension installation method of the mounting base and the electric control pressing component, combined with the drive component. The existing structure of the water tank drain button is used for installation, and the stability is ensured by fixing structures such as locking nuts and limit grooves.

Benefits of technology

It enables convenient installation and stable use of the electrically controlled flushing mechanism, improves service life, supports multiple control methods, and enhances ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a water tank drain valve electric control flushing mechanism and a closestool flushing device. The water tank drain valve electric control flushing mechanism comprises an installation base and an electric control pressing assembly. The installation seat is provided with an installation opening and arranged on the periphery of the water tank drainage button in a sleeved mode through the installation opening, and a fixing structure is arranged between the installation seat and the water tank drainage button. The electric control pressing assembly is installed at the bottom of the installation base and provided with a pressing rod extending downwards. And the electric control pressing assembly is provided with a driving piece for driving the pressing rod to stretch up and down. According to the electric control flushing mechanism for the water tank drain valve, the mounting base is arranged on the periphery of the water tank drain button in the sleeving mode through the mounting opening, so that the water tank drain button can be mounted at the bottom of a water tank cover, the mounting mode is simple in structure and easy to form and assemble, and the water tank drain valve can be mounted through an existing water tank drain button; and the universality is wider.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of kitchen and bath, especially a water tank drainage valve electric control flushing mechanism and closestool flushing device. BACKGROUND

[0002] The conventional closestool water tank drainage mostly adopts mechanical button switch, and the existing electronic closestool mostly adopts electronic induction switch to give drainage signal through off seat, foot stepping or remote control mode, which improves the use convenience of closestool. In order to change the conventional closestool drainage into electronic mode, some manufacturers design electric control flushing mechanism which can be installed in the conventional closestool water tank, and the electric control flushing mechanism can also realize automatic electric control drainage after being combined with conventional mechanical button switch.

[0003] The above-mentioned electric control flushing mechanism is mostly installed on the drainage switch of the water tank, and the top of the drainage switch is originally reserved with screw hole or flat surface for adhesive, but the drainage switch of the conventional closestool is mostly not reserved with the above-mentioned installation structure in design, so it cannot or hardly be changed. In addition, when the electric control flushing mechanism presses the switch, the electric control flushing mechanism and the drainage switch will form mutual pushing force, which can easily cause the deformation or damage of the installation part of the electric control flushing mechanism. Therefore, the utility model provides a new electric control flushing mechanism installation structure, which can solve the above-mentioned technical problems. SUMMARY

[0004] The utility model discloses to solve the above-mentioned technical problem, and propose a kind of water tank drainage valve electric control flushing mechanism with wider adaptation range and convenient assembly.

[0005] Firstly, a kind of water tank drainage valve electric control flushing mechanism is provided, which is installed at the bottom of water tank cover by water tank drainage button, including mounting seat and electric control pressing assembly, wherein,

[0006] The mounting seat is provided with mounting port, the mounting seat is sleeved on the peripheral portion of water tank drainage button by mounting port, and fixed structure is arranged between the mounting seat and water tank drainage button, so that the water tank drainage valve electric control flushing mechanism can be suspended and installed in water tank.

[0007] The electric control pressing assembly is installed at the bottom of the mounting seat and is provided with downward extending pressing rod. The electric control pressing assembly is provided with driving piece that drives pressing rod to extend upward and downward, so that pressing and releasing actions can be formed on the drainage switch of closestool by the pressing rod.

[0008] The water tank drainage valve electric control flushing mechanism provided by the utility model is equipped with a mounting seat which is sleeved on the peripheral part of the water tank drainage button through a mounting port, so that the water tank drainage button can be installed at the bottom of the water tank cover, and a suspension installation mode is formed in the water tank, the installation mode is simple in structure, easy to form and assemble, and can be installed by using the existing water tank drainage button, and is more widely used.

[0009] Preferably, the outer periphery of the water tank drainage button is provided with external screw threads, and is equipped with a locking nut, the locking nut locks the water tank drainage button and the mounting seat together at the bottom of the water tank cover, the external screw threads of the water tank drainage button and the locking nut constitute the fixing structure, the structure is simple, and is originally provided in most existing water tank drainage buttons, and no additional processing is required.

[0010] Preferably, the bottom outer ring of the mounting port is provided with a limiting groove, and the locking nut is located in the limiting groove after locking the mounting seat.

[0011] Preferably, the fixing structure adopts a gluing, interference fit, pin locking or threaded locking mode, which can be selected according to actual requirements.

[0012] Preferably, the mounting port is a through hole provided on the mounting seat, or, in order to improve the applicability of the mounting port to water tank drainage buttons with different diameters, the mounting port is a C-shaped elastic clamping port provided on the side of the mounting seat.

[0013] Preferably, in order to reduce the weight of the mounting seat, the mounting seat is in a plate shape and is provided with staggered reinforcing ribs, so that the mounting seat is less likely to deform.

[0014] Preferably, the bottom of the mounting seat is provided with a slot, and the main part of the electric control pressing assembly is inserted into the slot, so as to provide a firm and reliable installation position for the electric control pressing assembly.

[0015] Preferably, the opening of the slot faces downward, the electric control pressing assembly is inserted in an upward manner, and the peripheral part is limited by the slot, so that the electric control pressing assembly is less likely to shake and sway in use. The electric control pressing assembly and the slot are assembled by using a reverse buckle, a screw, an interference fit, gluing or a thread.

[0016] Preferably, the slot of the slot is provided with a reverse buckle facing inward, the bottom of the slot is provided with a demolding port penetrating through the mounting seat, and the demolding port is opposite to the reverse buckle. The peripheral part of the electric control pressing assembly is provided with a limiting step, the top of the electric control pressing assembly is inserted into the slot, the reverse buckle buckles the limiting step, and a convenient assembly structure is formed.

[0017] Preferably, the driving member comprises a motor, which drives the pressing rod to move up and down through a gear rack, a screw nut or a worm gear driving structure.

[0018] Preferably, the water tank drainage valve electric control flushing mechanism further comprises a battery, which is installed in the electric control pressing assembly or arranged outside the electric control pressing assembly and supplies power to the driving member.

[0019] Preferably, the pressing rod is provided with a plurality of annular grooves arranged at intervals along the axial direction, and when the pressing rod is too long, the pressing rod can be broken at a certain position through the annular grooves, so that the pressing rod with the actual required length is obtained.

[0020] In the second aspect, a toilet flushing device is provided, which comprises a toilet, a control panel, a water tank and a drainage valve arranged in the water tank. The water tank comprises a water tank body and a water tank cover covering the top opening of the water tank body. A water tank drainage button is arranged on the water tank cover, which is used to drive the drainage valve to open drainage. In addition, the toilet flushing device further comprises the water tank drainage valve electric control flushing mechanism as described in the first aspect. When the control panel controls the driving member to drive the pressing rod to extend downward, the pressing rod can drive the drainage valve to open drainage, so that electric drainage is realized.

[0021] Preferably, in order to avoid complicated wiring, a wireless control mode can be adopted. The toilet flushing device further comprises a wireless signal sending module and a wireless signal receiving module arranged in the electric control pressing assembly. The control panel receives a flushing signal and sends an instruction through the wireless signal sending module. The wireless signal receiving module controls the opening and closing of the driving member after receiving the instruction.

[0022] Preferably, in order to provide more convenient drainage control, the toilet flushing device further comprises a seat leaving sensing device. When a human body leaves the seat ring of the toilet, the seat leaving sensing device provides the flushing signal to the control panel, so that the effect of automatic flushing when leaving the seat is realized, and the use experience is improved.

[0023] Preferably, the water tank drainage button is further provided with a capacitive sensing device or an infrared sensing device or a microwave sensing device. When a human hand touches the water tank drainage button, the capacitive sensing device or the infrared sensing device or the microwave sensing device provides the flushing signal to the control panel; or,

[0024] The toilet flushing device further comprises a wireless remote controller. When a human hand operates the wireless remote controller, the wireless remote controller provides the flushing signal to the control panel.

[0025] From the above description of the present application, it can be seen that the present application has the following beneficial effects:

[0026] The water tank drain valve electric flushing mechanism provided by this utility model is equipped with a mounting base that is fitted around the water tank drain button through the mounting port. This allows the water tank drain button to be installed at the bottom of the water tank cover, forming a suspended installation method inside the water tank. This installation method has a simple structure, is easy to form and assemble, and can be installed using existing water tank drain buttons, making it more versatile.

[0027] When the electric flushing mechanism for the water tank drain valve provided by this utility model is in use, the pushing force between the electric control pressing component and the toilet drain switch will make the electric flushing mechanism for the water tank drain valve fit more tightly against the top cover of the water tank, and there will be no deformation or damage in the installation position, resulting in a longer service life.

[0028] The external threads and locking nut of the water tank drain button can form a fixed structure for the fixed mounting base. The structure is simple and is the original structure of most existing water tank drain buttons, requiring no additional processing.

[0029] The mounting base is provided with a vertical slot, and the electronically controlled pressing component is inserted upwards. The periphery is restricted by the slot, so it is not easy to shake or wobble during use.

[0030] The slot and the electrically controlled pressing assembly are assembled using an inverted snap-fit ​​method for easy assembly;

[0031] The toilet flushing device provided by this utility model can be used by manual pressing or electric flushing, making it flexible in use.

[0032] By combining the electrically controlled flushing mechanism of the water tank drain valve provided by this utility model with various convenient control switches or inductive switches, a more convenient or highly automated flushing system can be formed, improving the convenience of use for consumers. Attached Figure Description

[0033] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0034] in:

[0035] Figure 1 An axonometric view of an electrically controlled flushing mechanism for a water tank drain valve Figure 1 ;

[0036] Figure 2 An axonometric view of an electrically controlled flushing mechanism for a water tank drain valve Figure 2 ;

[0037] Figure 3 An axonometric view of an electrically controlled flushing mechanism for a water tank drain valveFigure 3 ;

[0038] Figure 4 It is a shaft side view of a water tank drain valve electric control flushing mechanism Figure 4 ;

[0039] Figure 5 It is an explosion of a water tank drain valve electric control flushing mechanism Figure 1 ;

[0040] Figure 6 It is an explosion of a water tank drain valve electric control flushing mechanism Figure 2 ;

[0041] Figure 7 It is an elevation view of a water tank drain valve electric control flushing mechanism;

[0042] Figure 8 It is a sectional view of a water tank drain valve electric control flushing mechanism;

[0043] Figures 1 to 8 The marks in the figure are respectively: water tank drain button 1, locking nut 11, mounting seat 2, mounting port 21, reinforcing rib 22, limiting groove 23, insertion groove 24, reverse buckle 25, demolding port 26, electric control pressing assembly 3, pressing rod 31, annular groove 311, driving part 32, limiting step 33, gear rack 34. DETAILED DESCRIPTION

[0044] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0045] Please refer to Figures 1 to 8 A water tank drain valve electric control flushing mechanism is installed at the bottom of the water tank cover by means of a water tank drain button 1, comprising a mounting seat 2 and an electric control pressing assembly 3, wherein,

[0046] The mounting seat 2 is provided with a mounting port 21, and the mounting seat 2 is sleeved on the peripheral part of the water tank drain button 1 through the mounting port 21. In the embodiment, the mounting port is a through hole 21 provided on the mounting seat 2, or in other embodiments, in order to improve the applicability of the mounting port 21 to water tank drain buttons 1 of different diameters, the mounting port 21 is a C-shaped elastic clamping port provided on the side part of the mounting seat 2, which can be sleeved on the outer periphery of water tank drain buttons 1 of different sizes.

[0047] The fixing structure is arranged between the mounting seat 2 and the water tank drainage button 1, so that the electric control flushing mechanism of the water tank drainage valve can be suspended and mounted in the water tank. Preferably, in order to reduce the weight of the mounting seat 2, the mounting seat 2 is in a plate shape and is provided with staggered reinforcing ribs 22, so that the mounting seat 2 is not easily deformed.

[0048] In the embodiment, the water tank drainage button 1 is provided with external threads, and is provided with a locking nut 11, which locks the water tank drainage button 1 and the mounting seat 2 together at the bottom of the water tank cover. Preferably, the bottom of the mounting opening 21 is provided with a limiting groove 23, and the locking nut 11 is located in the limiting groove 23 after locking the mounting seat 2. Here, the external threads of the water tank drainage button 1 and the locking nut 11 constitute the fixing structure, which is simple in structure and is originally provided in most existing water tank drainage buttons 1, without additional processing.

[0049] In other embodiments, the fixing structure can be in the form of gluing, interference fit, pin locking or threaded locking, which can be selected according to actual needs.

[0050] The electric control pressing assembly 3 is mounted at the bottom of the mounting seat 2 and is provided with a pressing rod 31 extending downward. The electric control pressing assembly 3 is provided with a driving member 32 driving the pressing rod 31 to extend upward and downward, so that the pressing rod 31 can press and release the drainage switch of the closestool. Preferably, the pressing rod 31 is provided with a plurality of annular grooves 311 arranged along the axial direction, and when the pressing rod 31 is too long, the pressing rod 31 can be broken at a certain position through the annular groove 311, so as to obtain the pressing rod 31 with the actual length required.

[0051] In an embodiment, the bottom of the mounting seat 2 is provided with a slot 24, and the main body of the electric control pressing assembly 3 is inserted into the slot 24, so as to provide a firm and reliable mounting position for the electric control pressing assembly 3. Preferably, the opening of the slot 24 faces downward, the electric control pressing assembly 3 is inserted upward, and the peripheral part is limited by the slot 24, so that the electric control pressing assembly 3 is not easily shaken and deflected during use.

[0052] The electric control pressing assembly 3 and the slot 24 are assembled through a reverse buckle 25, a screw, an interference fit, gluing or a threaded assembly. For example, in the embodiment, the slot of the slot 24 is provided with the reverse buckle 25 facing inward, the bottom of the slot 24 is provided with a demolding opening 26 penetrating through the mounting seat 2, the demolding opening 26 is opposite to the reverse buckle 25, so as to facilitate the demolding of the mold core of the reverse buckle 25. The peripheral part of the electric control pressing assembly 3 is provided with a limiting step 33, the top of the electric control pressing assembly 3 is inserted into the slot 24, and the reverse buckle 25 buckles the limiting step 33, so as to form a convenient assembly structure.

[0053] On the basis of the above-mentioned embodiment, the driving member 32 comprises a motor, which drives the pressing rod 31 to move up and down through a gear rack 34, a screw nut or a worm gear driving structure, and the driving structure is simple. In addition, the water tank drain valve electric control flushing mechanism further comprises a battery, which is installed in the electric control pressing assembly 3 or arranged outside the electric control pressing assembly 3 and supplies power for the driving member 32.

[0054] In use, after receiving the drainage signal, the driving member 32 drives the pressing rod 31 to move downward, the pressing rod 31 presses the drainage switch in the water tank, and releases after forming the drainage action.

[0055] The utility model also provides a toilet flushing device, including toilet, control board, water tank and be located in the water tank's drain valve, the water tank includes water tank body and the water tank cover of cover water tank body's top end opening, be equipped with water tank drainage button 1 on the water tank cover, water tank drainage button 1 is used to drive the drain valve opens drainage, in addition, the toilet flushing device further includes the water tank drain valve electric control flushing mechanism of above-mentioned embodiment, when the control board controls the driving member 32 drives the pressing rod 31 to stretch out downward, the pressing rod 31 can link to the drain valve opens drainage, to realize electric drainage.

[0056] On the basis of the above-mentioned embodiment, to avoid the cumbersome line arrangement, in an embodiment, wireless control mode can be used, the toilet flushing device further includes a wireless signal sending module and a wireless signal receiving module arranged in the electric control pressing assembly 3, the control board receives the flushing signal and sends instructions through the wireless signal sending module, and the wireless signal receiving module controls the opening and closing of the driving member 32 after receiving the instructions.

[0057] And regarding the drainage operation, to provide more convenient drainage control, in an embodiment, the toilet flushing device further includes a seat leaving sensing device, when a human body leaves the seat ring of the toilet, the seat leaving sensing device provides the flushing signal to the control board, realizes the effect of automatic flushing when leaving the seat, and improves the use experience. Alternatively, the water tank drainage button 1 is further provided with a capacitive sensing device or an infrared sensing device or a microwave sensing device, when a human hand touches the water tank drainage button 1, the capacitive sensing device or the infrared sensing device or the microwave sensing device provides the flushing signal to the control board. Alternatively, a wireless remote controller is further included, when a human hand operates the wireless remote controller, the wireless remote controller provides the flushing signal to the control board.

[0058] The water tank drainage valve electric control flushing mechanism is provided with a mounting seat 2 which is sleeved on the peripheral part of the water tank drainage button 1 through a mounting opening 21, so that the water tank drainage button 1 can be installed at the bottom of the water tank cover, and a suspension installation mode formed in the water tank is simple in structure, easy to form and assemble, and can be installed by using the existing water tank drainage button 1, and is more universal. In addition, in use, the pushing force between the electric control pressing assembly 3 and the closestool drainage switch can make the water tank drainage valve electric control flushing mechanism more closely attached to the water tank top cover, and the installation position will not be deformed or damaged, and has a longer service life.

[0059] The utility model is described exemplarily above in combination with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, and all falls within the protection scope of the utility model.

Claims

1. An electrically controlled flush mechanism for a water tank drain valve, characterized by, The water tank drainage button is installed at the bottom of the water tank cover, comprising: a mounting seat provided with a mounting hole; the mounting seat is sleeved on the peripheral portion of the water tank drainage button through the mounting hole, and a fixing structure is arranged between the mounting seat and the water tank drainage button; an electric control pressing assembly installed on the mounting seat and provided with a downward extending pressing rod; the electric control pressing assembly is provided with a driving member driving the pressing rod to extend and retract upward and downward.

2. The electrically controlled flush mechanism for a water tank drain valve according to claim 1, characterized in that, The peripheral portion of the water tank drainage button is provided with external screw threads, and is equipped with a locking nut, which locks the water tank drainage button and the mounting seat together at the bottom of the water tank cover, and the external screw threads of the water tank drainage button and the locking nut constitute the fixing structure; alternatively, the fixing structure adopts the modes of gluing, interference fit, pin locking or threaded locking.

3. The electrically controlled flush mechanism for a water closet flush valve according to claim 1, wherein, The mounting hole is a through hole arranged on the mounting seat, or a C-shaped elastic clamping hole arranged on the side portion of the mounting seat.

4. The electrically controlled flush mechanism for a water closet flush valve according to claim 1, wherein, The bottom portion of the mounting seat is provided with a slot, and the main body portion of the electric control pressing assembly is inserted into the slot; The opening of the slot faces downward, and the electric control pressing assembly and the slot adopt the assembly modes of reverse buckle, screw, interference fit, gluing or thread; 5. An electrically controlled flush mechanism for a water closet flush valve as defined in claim 4 wherein, The slot opening is provided with a reverse buckle facing inward, the slot bottom is provided with a demolding opening penetrating through the mounting seat, and the demolding opening is opposite to the reverse buckle; the peripheral portion of the electric control pressing assembly is provided with a limiting step, the top portion of the electric control pressing assembly is inserted into the slot, and the reverse buckle buckles the limiting step.

6. The electrically controlled flush mechanism for a water closet flush valve according to claim 1, wherein, The driving member includes a motor, which drives the pressing rod to reciprocate upward and downward through a gear and rack, a screw nut or a worm and gear driving structure; the water tank drainage valve electric control flushing mechanism further includes a battery, which is installed in the electric control pressing assembly or arranged outside the electric control pressing assembly and supplies power to the driving member.

7. A toilet flushing apparatus comprising a toilet bowl, a control panel, a water tank and a drain valve provided in the water tank, the water tank comprising a water tank body and a water tank cover covering a top opening of the water tank body, a water tank drain button being provided on the water tank cover, the water tank drain button being used to drive the drain valve to open the drain, characterized in that, Further comprising the water tank drainage valve electric control flushing mechanism according to any one of claims 1-6, when the control panel controls the driving member to drive the pressing rod to extend downward, the pressing rod can drive the drainage valve to open and drain water.

8. A toilet washing device according to claim 7, characterized in that Further comprising a wireless signal sending module and a wireless signal receiving module arranged on the electric control pressing assembly, the control panel receives the flushing signal and sends an instruction through the wireless signal sending module, and the wireless signal receiving module controls the opening and closing of the driving member after receiving the instruction.

9. A toilet washing device according to claim 8, characterized in that Further comprising a seat leaving sensing device, when a human body leaves the seat ring of the closestool, the seat leaving sensing device provides the flushing signal to the control panel.

10. A toilet washing device according to claim 8, characterized in that Further comprising a capacitive sensing device, an infrared sensing device or a microwave sensing device arranged on the water tank drainage button, when a human hand touches the water tank drainage button, the capacitive sensing device, the infrared sensing device or the microwave sensing device provides the flushing signal to the control panel; or Further comprising a wireless remote controller, when a human hand operates the wireless remote controller, the wireless remote controller provides the flushing signal to the control panel.