WO2024037108A1

WO2024037108A1 - Push-type driving device for toilet drain valve, and automatic flushing unit

Info

Publication number: WO2024037108A1
Application number: PCT/CN2023/097254
Authority: WO
Inventors: 欧育新; 陈文忠; 胡可焕; 李华平; 陈金水
Original assignee: 中山东菱威力洁净科技有限公司
Priority date: 2022-08-19
Filing date: 2023-05-30
Publication date: 2024-02-22
Also published as: CN217974637U

Abstract

Disclosed in the present utility model are a push-type driving device for a toilet drain valve, and an automatic flushing unit. The push-type driving device for the toilet drain valve drives a pushing member to move in a height direction by means of a driving component and links a drain plug to open a valve port. A fixed member is fixedly arranged at an end of the toilet drain valve, and the pushing member is arranged in a cavity of the fixed member, the drain plug is linked to open the valve port by means of the movement of the pushing member in the height direction for flushing. By using this structure, a user only needs to control the driving component for flushing, so that a user's use process is simplified, compared with the prior art in which a mechanical key is operated by a user for flushing. In comparison with a tedious driving device, this structure controls the drain valve by using fewer parts, so that a mounting space occupied by the driving device is reduced, thereby facilitating the mounting of such a push-type driving device in a smaller water tank.

Description

Toilet drain valve push drive device and automatic flushing unit

Technical field

The utility model relates to the technical field of toilets, and in particular to a push-type driving device and an automatic flushing unit for a toilet drain valve.

Background technique

The toilet is an indispensable common tool in the bathroom field. It can solve people's indoor convenience problems no matter in various places of home, work, and business activities. In the prior art, most toilets control the water in the toilet tank through a drain valve to utilize the water in the tank to complete flushing. The drain valve is controlled by a mechanical drain button on the top. After using the toilet, the user needs to turn around and manually press the manual drain valve button on the upper cover of the toilet tank to drive the drain valve to drain water. This brings trouble to the user's use. inconvenient.

There are also some driving structures for drain valves in the prior art, such as the Chinese patent document with publication number CN216379803U. This drain valve has a water bladder, which is connected to the valve core through a rope lever and uses the pressure of the water in the toilet tank. Flatten the water bag to drive the valve core of the drain valve to open. The drive structure of this drain valve is equipped with cables and lever components to control the drain valve. However, the drive structure has many intermediate transmission components, which occupies a large installation space, and the cumbersome intermediate transmission components are prone to damage after long-term use. malfunction, causing the drain valve to not work properly.

Therefore, the toilet drain valve in the prior art is controlled by a mechanical button, which makes it inconvenient for the user to operate. The drive structure that drives the drain valve to drain water has a technical problem of having many components and occupying a large installation space.

Utility model content

The purpose of this utility model is to solve the technical problem that the toilet drain valve in the prior art is controlled by mechanical buttons, which causes inconvenience to the user. The drive structure that drives the drain valve to drain water through the drive structure has many components and occupies a large installation space. .

In order to solve the above technical problems, an embodiment of the present utility model discloses a push-type driving device for a toilet drain valve, wherein the toilet drain valve is fixedly installed in the toilet water tank and includes a housing, a drain plug provided at the lower end of the housing, and a slider disposed on the upper end of the casing, wherein the drain plug is openably and sealingly abutted against the valve port at the lower end of the casing, the valve port is abutted against the drain port on the bottom wall of the toilet tank, and the slider is drivingly connected to the drain plug. This push-type driving device includes a pushing member, a fixed member, and a driving component.

Wherein, the fixing member is fixedly arranged on one end of the toilet drain valve, and the fixing member has a cavity extending along the height direction of the toilet drain valve.

The pushing member is movably disposed in the cavity of the fixed member in the height direction, and one end of the pushing member can extend out of the cavity and be drivingly connected to the drain plug.

The driving component is drivingly connected to the pushing member and drives the pushing member to move along the height direction relative to the fixed member. The driving component drives the pushing member to move along the height direction and drives the drain plug to open the valve port in parallel.

Adopting the above technical solution, the push-type drive device of this toilet drain valve drives the push member to move in the height direction through the driving component and links the drain plug to open the valve port. Compared with the prior art, the user operates a mechanical button to complete the operation. Flushing, using this structure, the user only needs to control the driving component to complete the flushing, without having to After going to the toilet, turn around and operate the mechanical buttons, which simplifies the user's use process.

Furthermore, the fixing member is fixedly arranged on one end of the toilet drain valve, and the pushing member is arranged in the cavity of the fixing member. Only by moving the pushing member in the height direction, the linked drain plug opens the valve port, and flushing can be realized. For water purposes, compared with the prior art in which the drain valve is controlled through a cable and a lever assembly, this structure uses fewer components to control the drain valve, thereby reducing the installation space occupied by the driving device. , which is conducive to installing this push-type drive device in smaller water tanks.

An embodiment of the present invention also discloses a push-type driving device for a toilet drain valve. A fixed member is provided at the upper end of the toilet drain valve and above the slider. One end of the push member is fixedly connected to the upper surface of the slider.

Among them, the driving component drives the pushing member to move along the height direction, and one end of the pushing member drives the slider to move downward along the height direction and links the drain plug to open the valve port.

Adopting the above technical solution, this push-type driving device arranges a fixed member at the upper end of the toilet drain valve, and the push member pushes the slider of the toilet drain valve itself, thereby linking the movement of the drain plug to achieve flushing. During use, the user controls the driving component, and the driving component drives the pushing member to push the slider downward in the height direction, causing the slider to link the drain plug to move upward in the height direction, releasing the seal between the drain plug and the valve port, and then the water tank The water inside flows out from the valve port to flush the toilet. When flushing is about to end, the driving component stops driving the pushing member. At this time, the drain plug moves downward in the height direction under the action of its own gravity until the drain plug reseals the valve port, and the drain plug drives the slider upward in the height direction. Move, and the linked push member moves upward along the height direction until it returns to the initial position.

When this push-type driving device is assembled, since the upper end of the drain valve is located above the water surface of the toilet tank, there is no need to take out the drain valve. Therefore, the assembly between the above structure and the drain valve is simple, and the steps of disassembling the drain valve are reduced.

An embodiment of the present invention also discloses a push-type driving device for a toilet drain valve. A fixed member is provided at the lower end of the toilet drain valve and below the drain plug; one end of the push member is fixedly connected to the lower surface of the drain plug.

The driving component drives the pushing member to move along the height direction, and one end of the pushing member drives the drain plug to move upward along the height direction to open the valve port.

Using the above technical solution, this push-type driving device arranges the fixed member at the lower end of the toilet drain valve, and the push member pushes the drain plug of the toilet drain valve to achieve flushing. During use, the user controls the driving component, and the driving component drives the pushing member to push the drain plug upward in the height direction, causing the drain plug to move upward in the height direction, releasing the seal between the drain plug and the valve port, and then the water in the water tank It flows out from the valve port to flush the toilet. When flushing is about to end, the driving component stops driving the pushing member. At this time, the drain plug moves downward in the height direction under the action of its own gravity until the drain valve reseals the valve port, and the drain plug drives the pushing member in the height direction. Move down until it returns to the original position.

This push-type driving device controls the drainage of the drain valve by directly pushing the drain plug, and the user can also manually drive the drain valve to drain water through the slider provided at the upper end of the drain plug, so that the user can drain water through two Different ways to control drainage from drain valves. With the above structure, when any one of the above driving modes fails, the drain valve can be controlled by another driving mode, which improves the reliability of the device.

An embodiment of the present invention also discloses a push-type driving device for a toilet drain valve. The driving component is configured as an electromagnetic structure, and the electromagnetic structure corresponds to the pushing member in the height direction. The fixed component is configured as a cylindrical structure, and the electromagnetic structure is fixedly connected to one end of the fixed component. The pushing member includes a guide part and a rod part. One end of the rod part is fixedly connected to the guide part, and the other end of the rod part is drivingly connected to the drain plug. The outer wall of the guide part matches the inner wall of the fixed member. Wherein, the part of the guide part facing the driving component is provided with a permanent magnet.

Adopting the above technical solution, this push-type driving device realizes the push of the pushing member through the magnetic repulsion between the electromagnetic structure and the permanent magnet. During use, the user controls the power supply to energize the electromagnetic structure, and the part of the pushing member facing the driving component is provided with a permanent magnet. The permanent magnet is relatively close to the electromagnetic structure and can generate greater magnetic repulsion with the electromagnetic structure. This drives the member to move. The outer side wall of the guide portion of the pushing member is adapted to the inner side wall of the fixing member, so that the pushing member can move along the extension direction (that is, the height direction) of the cavity of the fixing member without causing damage in the cavity of the fixing member. Movement in other directions except the height direction ensures that the pushing member accurately controls the drain plug of the drain valve.

An embodiment of the present invention also discloses a push-type driving device for a toilet drain valve. The driving component is a pump, and the pump is arranged on one side of the toilet drain valve.

The fixed component includes a sealed piston cylinder. An end surface of one end of the piston cylinder is provided with a through hole, and the inner cavity of the piston cylinder is connected to the pump pipeline through the through hole.

The pushing member includes a piston part and a rod part. One end of the rod part is fixedly connected to the piston part. The other end of the rod part extends out of the other end of the piston rod and is drivingly connected to the drain plug. The outer wall of the piston part is sealed with the inner wall of the piston cylinder. adaptation. Among them, the pump is an air pump or a hydraulic pump.

Using the above technical solution, this push-type driving device inflates the piston cylinder through an air pump, or supplies liquid to the piston cylinder through a hydraulic pump. The pressure in the hydraulic cylinder acts on the piston part of the pushing member, causing the pushing member to move. Since this structure is driven by a pump, the pump can be connected to the through hole at one end of the piston cylinder through a flexible pipeline of unlimited length. The position of the pump can be set in the water tank of the toilet and outside the drain valve. Or it can be installed outside the toilet water tank, and the pipeline can be bent at will and can be changed in any direction, so the layout of the pump is more flexible and the installation space is lower.

An embodiment of the utility model also discloses a push-type driving device for a toilet drain valve, in which a pressure relief component is provided on the piston cylinder.

Adopting the above technical solution, this push-type driving device is provided with a pressure relief component on the piston cylinder. When the toilet flushing is completed, the high pressure in the piston cylinder can discharge the high-pressure gas or high-pressure liquid in the piston cylinder through the pressure relief component, thereby achieving The pressure reduction in the piston cylinder ensures that the drain plug can move downward along the height direction, and the linked push member is reset.

An embodiment of the present invention also discloses a push-type driving device for a toilet drain valve. The pressure relief component includes a blocking member. A pressure relief port is provided on the side wall of the piston cylinder. The blocking member is openably and sealingly abutted against the pressure relief port.

The toilet water tank is also provided with a float, which floats on the water surface in the toilet water tank, and the blocking member is drivingly connected to the float. Wherein, a linkage piece is arranged outside the blocking member, one end of the linkage piece is hinged to the blocking piece, and the other end of the linkage piece is hinged to the float.

Adopting the above technical solution, this push-type driving device is provided with a pressure relief port on the side wall of the piston cylinder. When the water tank of the toilet is filled with water, at this time, it is at the highest water level, and the float at the highest water level is blocked by a linkage. parts, so that the blocking part is sealed against the pressure relief port, and the piston cylinder is in a sealed state. When the drain valve starts draining water, the water level in the toilet tank drops, and the float floating on the water surface drives the blocking part downward in the height direction through the linkage part. Move, at this time, the blocking member is still sealingly in contact with the pressure relief port, until the toilet flushing is completed, the water level in the toilet tank is at the lowest level, the blocking member opens the pressure relief port, and discharges the high-pressure gas or high-pressure liquid in the piston cylinder , thereby realizing the pressure reduction in the piston cylinder, ensuring that the drain plug can move downward along the height direction, and the linked push member is reset. This structure cleverly uses the rise and fall of the water level in the water tank when the toilet is flushed to relieve pressure in the piston cylinder. Compared with complicated pressure relief devices and complex control methods, the structure is simpler.

An embodiment of the present utility model also discloses a push-type driving device for a toilet drain valve. A sealing ring is provided on the outer peripheral side wall of the piston part.

Adopting the above technical solution, this push-type driving device is provided with a sealing ring on the outer peripheral side wall of the piston part of the pushing member, which improves the sealing performance between the piston part of the pushing member and the piston cylinder and ensures that the high pressure in the piston cylinder can drive and push. Components move.

An embodiment of the present invention also discloses a push-type driving device for a toilet drain valve. The driving component is a motor. The output shaft of the motor extends in a direction perpendicular to the height, and a gear is provided on the output shaft.

The pushing member is configured as a rack meshing with the gear of the output shaft. The rack extends along the height direction and one end of the rack is drivingly connected to the drain plug.

Adopting the above technical solution, this push-type driving device is driven by a motor, and the gear set by the output shaft of the motor meshes with the rack, converting the rotational motion of the motor into the linear motion of the rack along the height direction, thereby causing the rack to move. . The above structure uses the gear and rack transmission method to cleverly convert the rotational motion of the motor into the linear motion required to push the component. Therefore, this push-type drive device can use a technically mature motor to drive the push component, and the cost of the motor is relatively low. Low, reducing the production cost of this push-type drive device.

An embodiment of the present invention also discloses an automatic flushing unit for a toilet, which includes a push-type driving device for any one of the toilet drain valves mentioned above, and a sensing device arranged on the toilet. The sensing device and the driving component are electrically connected. connect. Among them, the sensing device is used to collect the user's human body information and convert it into electrical signals to transmit to the driving components.

Using the above technical solution, when the automatic flushing unit of this toilet is in use, the sensing device collects the user's human body information, and the microprocessor in the sensing device makes a judgment. If it is determined that the user has finished using the toilet, the sensing device The electrical signal is transmitted to the driving component, and the driving component drives the pushing member to move in the height direction and links the drain plug to open the valve port to achieve the purpose of flushing. After the flushing is completed after a predetermined time, the sensing device stops transmitting electrical signals to the driving component, and the driving component stops driving the pushing member. At this time, the drain plug moves downward in the height direction under the action of its own gravity until the drain plug re-seals the valve port. , and the linked push member moves upward along the height direction until it returns to the initial position. Utilizing the above-mentioned automatic flushing unit, the user does not need to specifically operate the toilet to complete flushing after using the toilet, which greatly simplifies the user's use process and reduces the user's labor intensity.

The beneficial effects of this utility model are:

The utility model discloses a push-type driving device of a toilet drain valve and an automatic flushing unit. The push-type driving device of the toilet drain valve drives a pushing member to move in the height direction through a driving component and links the drain plug to open the valve port. Compared with the existing technology, the user completes flushing by operating a mechanical button. With this structure, the user only needs to control the driving component to complete the flushing, and does not need to turn around to operate the mechanical button after going to the toilet. Buttons simplify the user's use process.

Further, the fixing member is fixedly arranged on the upper end of the toilet drain valve, the pushing member is arranged in the cavity of the fixing member, and the pushing member is fixedly connected to the upper surface of the slider. The fixing member can also be arranged on the lower end of the toilet drain valve, and the pushing member Fixedly connected to the lower surface of the drain plug, only by pushing the member to move along the height direction and linking the drain plug to open the valve port, the purpose of flushing can be achieved. Compared with the prior art, the drainage is achieved through a cable and a lever assembly. This structure uses fewer components to control the drain valve, thereby reducing the installation space occupied by the driving device and facilitating the installation of this push-type driving device in smaller water tanks.

Furthermore, this push-type driving device can utilize the magnetic repulsion between the electromagnetic structure and the permanent magnet to move the pushing member along the height direction, pump inflate or supply liquid to the piston cylinder, and use the pressure in the piston cylinder to move the pushing member along the height direction. Directional movement, the motor outputs rotational motion to drive the gear and converts it into linear motion through the rack meshing with the gear. A method is provided to realize the purpose of driving the pushing member to move along the height direction, thereby ensuring that the pushing member accurately pushes the drain plug of the drain valve.

Description of drawings

Figure 1 is a schematic structural diagram of a push-type driving device for a toilet drain valve disclosed in Embodiment 1 of the present invention when the drain valve is in a draining state;

Figure 2 is a schematic structural diagram of a push-type driving device for a toilet drain valve disclosed in Embodiment 1 of the present invention when the drain valve is in a closed state;

Figure 3 is a schematic structural diagram of another push-type driving device for a toilet drain valve disclosed in Embodiment 1 of the present invention when the drain valve is in a draining state;

Figure 4 is a schematic structural diagram of another push-type driving device for a toilet drain valve disclosed in Embodiment 1 of the present invention when the drain valve is in a closed state;

Figure 5 is a schematic structural diagram of yet another push-type driving device for a toilet drain valve disclosed in Embodiment 1 of the present invention when the drain valve is in a draining state;

Figure 6 is a schematic structural diagram of yet another push-type driving device for a toilet drain valve disclosed in Embodiment 1 of the present invention when the drain valve is in a closed state;

Figure 7 is a schematic structural diagram of a push-type driving device for a toilet drain valve disclosed in Embodiment 2 of the present invention when the drain valve is in a draining state;

Figure 8 is a schematic structural diagram of a push-type driving device for a toilet drain valve disclosed in Embodiment 2 of the present invention when the drain valve is in a closed state;

Figure 9 is a schematic structural diagram of another push-type driving device for a toilet drain valve disclosed in Embodiment 2 of the present invention when the drain valve is in a draining state;

Figure 10 is a schematic structural diagram of another push-type driving device for a toilet drain valve disclosed in Embodiment 2 of the present invention when the drain valve is in a closed state;

Figure 11 is a schematic structural diagram of yet another push-type driving device for a toilet drain valve disclosed in Embodiment 2 of the present invention when the drain valve is in a draining state;

Figure 12 is a schematic structural diagram of yet another push-type driving device for a toilet drain valve disclosed in Embodiment 2 of the present invention when the drain valve is in a closed state.

Explanation of reference symbols:
10. Push driving device;
110. Fixed components;
111. Cylindrical structure; 112. Piston cylinder;
120. Push component;
121. Guide part; 122. Rod part; 123. Piston part; 124. Rack;
130. Driving components;
131. Electromagnetic structure; 132. Pump; 133. Motor;
140. Power supply; 150. Gear;
20. Drainage valve;
210. Shell; 211. Slider; 212. Cover body;
220. Drain plug;
30. Overflow pipeline;
A. The height direction of the shell.

Detailed ways

The implementation of the present invention is described below with specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present utility model will be introduced in conjunction with the preferred embodiments, this does not mean that the features of the utility model are limited to this embodiment. On the contrary, the purpose of introducing the utility model in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the utility model. In order to provide a thorough understanding of the present invention, the following description contains many specific details. The invention may also be implemented without these details. Furthermore, some specific details will be omitted from the description in order to avoid confusing or obscuring the focus of the present invention. It should be noted that, as long as there is no conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

It should be noted that in this specification, similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be referenced in subsequent drawings. for further definition and explanation.

In the description of this embodiment, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or The orientation or positional relationship in which the utility model product is customarily placed during use is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and operation, therefore it cannot be construed as a limitation of the present invention.

In the description of this embodiment, it should also be noted that, unless otherwise clearly stated and limited, the terms "set", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection or a fixed connection. Detachable connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood in specific situations.

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

Example 1

This embodiment discloses a push-type driving device for a toilet drain valve. As shown in Figures 1 to 6, the toilet drain valve 20 is fixedly installed in the toilet water tank. The drain valve 20 includes a casing 210 and a The drain plug 220 at the lower end of the housing 210 and the slider 211 provided at the upper end of the housing 210. The drain plug 220 is openably sealed against the valve port at the lower end of the housing 210, and the valve port is contacted against the drainage valve at the bottom wall of the toilet tank. The slider 211 is drivingly connected with the drain plug 220.

Specifically, the drain valve 20 is also provided with an overflow pipe 30 on one side. The overflow pipe 30 extends along the height direction, and one end of the overflow pipe 30 is connected to the lower end of the housing 210 .

More specifically, this push driving device 10 includes a pushing member 120 , a fixing member 110 , and a driving component 130 .

The fixing member 110 is fixedly disposed on one end of the toilet drain valve 20 . The fixing member 110 has a cavity extending along the height direction of the toilet drain valve 20 . The height direction of the drain valve 20 is as shown in A in Figure 1 .

More specifically, the pushing member 120 is movably disposed in the cavity of the fixing member 110 along the height direction, and one end of the pushing member 120 can extend out of the cavity and be drivingly connected to the drain plug 220 .

More specifically, the driving component 130 is drivingly connected to the pushing member 120 and drives the pushing member 120 to move in the height direction relative to the fixed member 110. The driving component 130 drives the pushing member 120 to move in the height direction and in parallel drives the drain plug 220 to open the valve port.

More specifically, the push driving device 10 of this toilet drain valve 20 drives the pushing member 120 to move in the height direction through the driving component 130 and links the drain plug 220 to open the valve port. Compared with the prior art, the user passes The mechanical button is operated to complete flushing. With this structure, the user only needs to control the driving component 130 to complete flushing. There is no need to turn around and operate the mechanical button after going to the toilet, which simplifies the user's use process.

In addition, the fixing member 110 is fixedly disposed on one end of the toilet drain valve 20, and the pushing member 120 is disposed in the cavity of the fixing member 110. Only by moving the pushing member 120 in the height direction, the linked drain plug 220 opens the valve port. , the purpose of flushing can be achieved. Compared with the prior art in which the drain valve 20 is controlled through a cable and a lever assembly, this structure uses fewer parts to complete the control of the drain valve 20, thereby reducing the number of The installation space occupied by the driving device is conducive to installing the push-type driving device 10 in a smaller water tank.

Further, as shown in FIGS. 1 to 6 , in this embodiment, the fixing member 110 is disposed on the upper end of the toilet drain valve 20 and above the slider 211 , and one end of the pushing member 120 is fixedly connected to the slider 211 upper surface.

More specifically, one end of the pushing member 120 can also be connected to the upper surface of the slider 211 by abutting. This design makes the pushing member 120 and the slider 211 two separate components. When the user disassembles the In this push-type driving device 10, it is only necessary to take out the pushing member 120 from the fixing member 110.

More specifically, as shown in FIG. 1 , an opening communicating with the cavity is provided at one end of the fixing member 110 close to the slider 211 , and the opening faces the slider 211 , so that the pushing member 120 can extend from the opening to push the slider 211 Move Downward.

More specifically, the upper end of the housing 210 of the drain valve 20 is provided with a sleeve 212. This sleeve 212 is cylindrical. The lower end surface of the sleeve 212 is used to fix the slider 211, and is provided with a through hole to allow the pushing member to 120 can extend into the through hole and push the slider 211. This sleeve body 212 is used to firmly connect the fixing member 110 . The outer peripheral side wall of the fixing member 110 and the lower end surface of the sleeve body 212 can be detachably connected by snapping, gluing, screwing or other commonly used detachable connections in this technical field.

More specifically, the driving component 130 drives the pushing member 120 to move in the height direction, and one end of the pushing member 120 drives the slider 211 to move downward in the height direction, and also drives the drain plug 220 to open the valve port.

More specifically, as shown in Figures 1 to 6, this push type driving device 10 disposes the fixing member 110 on the upper end of the toilet drain valve 20, and the push member 120 pushes the slider 211 of the toilet drain valve 20 itself, Then, the linked drain plug 220 moves to realize flushing. During use, the user controls the driving component 130, and the driving component 130 drives the pushing member 120 to push the slider 211 downward in the height direction, so that the slider 211 links the drain plug 220 to move upward in the height direction, and releases the drain plug 220 from the valve port. The seal between the two valves allows the water in the water tank to flow out from the valve port to achieve flushing of the toilet. When flushing is about to end, the driving component 130 stops driving the pushing member 120. At this time, the drain plug 220 moves downward in the height direction under its own gravity until the drain plug 220 re-seals the valve port, and the drain plug 220 drives the sliding The block 211 moves upward along the height direction, and in conjunction with the pushing member 120, moves upward along the height direction until it returns to the initial position.

More specifically, when the push-type driving device 10 is assembled, since the upper end of the drain valve 20 is located above the water surface of the toilet tank, there is no need to take out the drain valve 20 . Therefore, the assembly between the above structure and the drain valve 20 is simple, and the steps of disassembling the drain valve 20 are reduced.

Further, as shown in Figures 1 and 2, in this embodiment, the driving component 130 is configured as an electromagnetic structure 131. The electromagnetic structure 131 corresponds to the pushing member 120 in the height direction. The fixing member 110 is configured as a cylindrical structure 111, and the electromagnetic structure 131 is fixedly connected to one end of the fixing member 110. The pushing member 120 includes a guide part 121 and a rod part 122. One end of the rod part 122 is fixedly connected to the guide part 121. The other end of the rod part 122 is drivingly connected to the drain plug 220. The outer wall of the guide part 121 and the inner wall of the fixing member 110 suitable. Among them, the part of the guide part 121 facing the driving component 130 is provided with a permanent magnet.

Specifically, this push driving device 10 realizes pushing the pushing member 120 through the magnetic repulsion between the electromagnetic structure 131 and the permanent magnet. During use, the user controls the power supply 140 to energize the electromagnetic structure 131 , and a permanent magnet is provided on the part of the pushing member 120 facing the driving component 130 . The permanent magnet and the electromagnetic structure 131 are relatively close to each other and can generate electricity with the electromagnetic structure 131 . The greater magnetic repulsion drives the pushing member 120 to move. The outer side wall of the guide portion 121 of the pushing member 120 is adapted to the inner side wall of the fixing member 110, so that the pushing member 120 can move along the cavity extension direction (ie, the height direction) of the fixing member 110 without moving in the fixing member 110. Movement in other directions except the height direction occurs in the cavity of 110 , thereby ensuring that the pushing member 120 accurately controls the drain plug 220 of the drain valve 20 .

More specifically, the electromagnetic structure 131 of the push-type driving device 10 is also connected to the power supply 140 through wires. The power supply 140 is arranged in the water tank and at the upper end of the drain valve 20 so that the power supply 140 is above the water surface. Among them, a sealing structure is provided on the outer periphery of the power supply 140 to prevent the water surface from ripples when water is stored in the water tank, and splashes of water falling on the power supply 140 causing a short circuit of the power supply 140 .

More specifically, the power supply 140 can be arranged outside the water tank of the toilet. When the power supply 140 has no power, the user can directly replace the power supply 140 without opening the water tank.

More specifically, the pushing member 120 can have the entire guide portion 121 configured as a permanent magnet, or the entire pushing member 120 can be configured as a permanent magnet to enhance the magnetic repulsion between the pushing member 120 and the electromagnetic structure 131 .

More specifically, the electromagnetic structure 131 can be configured as a disk-shaped structure and connected to one end of the fixing member 110 in an embedded or snap-fit manner.

Further, as shown in FIGS. 3 and 4 , in this embodiment, the driving component 130 can also be provided as a pump 132 , and the pump 132 is provided on one side of the toilet drain valve 20 .

Specifically, the fixed component 110 includes a sealed piston cylinder 112. An end surface of the piston cylinder 112 is provided with a through hole, and the inner cavity of the piston cylinder 112 is connected to the pump 132 through the through hole.

More specifically, the pushing member 120 includes a piston part 123 and a rod part 122. One end of the rod part 122 is fixedly connected to the piston part 123, and the other end of the rod part 122 extends out of the other end of the piston rod and is drivingly connected to the drain plug 220. The outer side wall of the piston portion 123 is sealingly fitted with the inner side wall of the piston cylinder 112 . Among them, the pump 132 is an air pump or a hydraulic pump.

More specifically, this push driving device 10 inflates the piston cylinder 112 through an air pump, or a hydraulic pump supplies liquid to the piston cylinder 112. The pressure in the hydraulic cylinder acts on the piston portion 123 of the pushing member 120, so that the pushing member 120 moves. This structure is driven by the pump 132. The pump 132 can be connected to the through hole at one end of the piston cylinder 112 through a flexible pipeline of unlimited length. The position of the pump 132 can be set in the water tank of the toilet and outside the drain valve 20. Or it can be installed outside the water tank of the toilet, and the pipeline can be bent arbitrarily and can be changed in any direction. Therefore, the arrangement of the pump 132 is more flexible and requires less installation space.

More specifically, the air pump can inflate air into the piston cylinder 112, and when the drainage is completed, the air in the piston cylinder 112 is discharged. The air pump can also fill the piston cylinder 112 with scented air freshener. When the drainage is completed, the air freshener in the piston cylinder 112 is discharged into the water tank and further diffused into the toilet to purify the air environment in the toilet.

More specifically, the hydraulic pump can supply water to the piston cylinder 112. After the drainage is completed, the water in the piston cylinder 112 is discharged and collected in the water tank. The hydraulic pump can also supply cleaning fluid to the piston cylinder 112 after the drainage is completed. The cleaning liquid in the piston cylinder 112 is merged into the water in the water tank, so that the toilet bowl can be better cleaned next time the water is flushed.

More specifically, the model and specifications of the air pump or hydraulic pump can be selected and designed by those skilled in the art according to the volume of the piston cylinder 112 and the driving force required for the pushing member 120, which is not specifically limited in this embodiment.

More specifically, in this embodiment, a pressure relief component is provided on the piston cylinder 112 .

More specifically, when the toilet flushing is completed, the high pressure in the piston cylinder 112 can discharge the high-pressure gas or high-pressure liquid in the piston cylinder 112 through the pressure relief component, thereby reducing the pressure in the piston cylinder 112 and ensuring that the drain plug 220 can Move downward along the height direction, and the linkage pushing member 120 is reset.

More specifically, the pressure relief component may include a one-way pressure relief valve. The one-way pressure relief valve can reduce the high pressure in the piston cylinder 112 by discharging high-pressure gas or high-pressure liquid from the piston cylinder 112, but external water or gas cannot pass through. The one-way pressure relief valve enters the piston cylinder 112. The specific model and specification of the one-way pressure relief valve can be selected and designed according to the volume of the piston cylinder 112 and the pressure in the piston cylinder 112, which is not specifically limited in this embodiment.

More specifically, in this embodiment, the pressure relief component may also include a blocking member. A pressure relief port is provided on the side wall surface of the piston cylinder 112, and the blocking member is openably and sealingly abutted against the pressure relief port.

More specifically, a float is also provided in the toilet water tank. The float floats on the water surface in the toilet water tank, and the blocking member is drivingly connected to the float. Wherein, a linkage piece is arranged outside the blocking member, one end of the linkage piece is hinged to the blocking piece, and the other end of the linkage piece is hinged to the float.

More specifically, when the water tank of the toilet is filled with water, at this time, it is at the highest water level, and the float at the highest water level is connected to the blocking member through the linkage, so that the blocking member is sealingly abutted against the pressure relief port, and the piston cylinder 112 is at In the sealed state, when the drain valve 20 starts draining water, the water level in the toilet tank drops, and the float floating on the water surface drives the blocking member to move downward in the height direction through the linkage. At this time, the blocking member is still sealingly abutting the pressure relief port. , until the toilet flushing is completed and the water level in the toilet water tank is at the lowest level, the blocking member opens the pressure relief port to discharge the high-pressure gas or high-pressure liquid in the piston cylinder 112, thereby realizing the pressure reduction in the piston cylinder 112 and ensuring that the drain plug 220 It can move downward along the height direction, and the linkage pushing member 120 is reset. This structure cleverly utilizes the rise and fall of the water level in the water tank when the toilet is flushed to relieve pressure in the piston cylinder 112. Compared with complicated pressure relief devices and complex control methods, the structure is simpler.

More specifically, in this embodiment, a sealing ring is provided on the outer peripheral side wall of the piston portion 123 of the pushing member 120 . This structure improves the sealing performance between the piston portion 123 of the pushing member 120 and the piston cylinder 112, ensuring that the high pressure in the piston cylinder 112 can drive the pushing member 120 to move.

Furthermore, as shown in Figures 5 and 6, in this embodiment, the driving component 130 can also be provided as a motor 133. The output shaft of the motor 133 extends perpendicular to the height direction, and a gear 150 is provided on the output shaft. .

Specifically, the pushing component is configured as a rack 124 that meshes with the gear 150 of the output shaft. The rack 124 extends along the height direction, and one end of the rack 124 is drivingly connected to the drain plug 220 .

More specifically, as shown in FIGS. 5 and 6 , a through hole is provided at one end of the fixing member 110 so that the rack 124 can move in the height direction, and the motor 133 can be disposed inside the fixing member 110 and fixed. connect.

More specifically, the motor 133 can also be disposed on the upper part of the fixing member 110, and the motor 133 is fixedly connected to the fixing member 110 through the motor base.

More specifically, the electromagnetic structure 131 of the push driving device 10 is also connected to the power supply 140 through wires. The installation of the power supply 140 may refer to the above description of the connection relationship between the electromagnetic structure 131 and the power supply 140 .

More specifically, this push type driving device 10 is driven by a motor 133, and is provided by the output shaft of the motor 133. The gear 150 meshes with the rack 124 to convert the rotational motion of the motor 133 into a linear motion of the rack 124 along the height direction, thereby causing the rack 124 to move. The above structure uses the transmission mode of the gear 150 and the rack 124 to cleverly convert the rotational motion of the motor 133 into the linear motion required for the pushing member 120. Therefore, this push-type driving device 10 can use the technically mature motor 133 to drive the pushing member. 120, and the cost of the motor 133 is low, which reduces the production cost of this push driving device 10.

More specifically, the model and specifications of the motor 133 can be selected according to the installation space in the cavity of the fixing member 110, which is not specifically limited in this embodiment.

Example 2

This embodiment discloses a push-type driving device for a toilet drain valve, as shown in Figures 7-12. The difference between this embodiment and Embodiment 1 is that the fixing member 110 is provided at the lower end of the toilet drain valve 20 , located below the drain plug 220; one end of the pushing member 120 is fixedly connected to the lower surface of the drain plug 220.

Specifically, the driving component 130 drives the pushing member 120 to move along the height direction, and one end of the pushing member 120 drives the drain plug 220 to move upward along the height direction to open the valve port.

More specifically, in this push-type driving device 10, the fixing member 110 is disposed at the lower end of the toilet drain valve 20, and the push member 120 pushes the drain plug 220 of the toilet drain valve 20 to achieve flushing. During use, the user controls the driving component 130, and the driving component 130 drives the pushing member 120 to push the drain plug 220 upward in the height direction, so that the drain plug 220 moves upward in the height direction, and the seal between the drain plug 220 and the valve port is released. , and then the water in the water tank flows out from the valve port to realize flushing of the toilet. When flushing is about to end, the driving component 130 stops driving the pushing member 120. At this time, the drain plug 220 moves downward in the height direction under the action of its own gravity until the drain valve 20 re-seals the valve port, and the drain plug 220 drives the push The member 120 moves downward along the height direction until it returns to the initial position.

More specifically, this push-type driving device 10 controls the drainage of the drain valve 20 by directly pushing the drain plug 220, and the user can also manually drive the drainage through the slider 211 provided at the upper end of the drain plug 220. The valve 20 drains water, so that the user can control the drainage of the drain valve 20 in two different ways. With the above structure, when any one of the above driving modes fails, the drain valve 20 can be controlled through another driving mode, which improves the reliability of this device.

More specifically, one end of the pushing member 120 may also be connected to the lower surface of the drain plug 220 in a contact manner.

More specifically, as shown in FIG. 7 , one end of the fixing member 110 close to the drain plug 220 is provided with an opening communicating with the cavity. The opening faces the drain plug 220 so that the pushing member 120 can extend from the opening to push the drain plug 220 . Move up.

More specifically, as shown in FIGS. 7 and 8 , the wires of the electromagnetic structure 131 extend from the lower end of the housing 210 to the overflow pipe 30 of the drain valve 20 and are connected to the power supply 140 .

More specifically, when the push driving device 10 is working, the power supply 140 energizes the electromagnetic structure 131, and electromagnetic repulsion is generated between the electromagnetic structure 131 and the permanent magnet of the guide portion 121 of the pushing member 120, and drives the pushing member 120 along the Move upward in the height direction, push the drain plug 220 to move upward, release the seal of the valve port, and the drain valve 20 starts draining water.

More specifically, as shown in FIGS. 9 and 10 , the pipeline of the piston cylinder 112 also extends from the lower end of the housing 210 to the overflow pipeline 30 of the drain valve 20 and extends to the connection pump 132 .

More specifically, when the push-type driving device 10 is working, an air pump or a hydraulic pump inflates or supplies liquid into the piston cylinder 112, so that the piston cylinder 112 is pressurized. Under the action of high pressure, the push member 120 is pushed along the height direction. move up, push The drain valve 20 moves upward to release the seal of the valve port, and the drain valve 20 starts draining water.

More specifically, as shown in FIGS. 11 and 12 , the wires of the motor 133 extend from the lower end of the housing 210 to the overflow pipe 30 of the drain valve 20 and are connected to the power supply 140 .

More specifically, when the push-type driving device 10 is working, the power supply 140 energizes the motor 133, the output shaft of the motor 133 rotates and drives the gear 150 to rotate, and the rack 124 meshed with the gear 150 is driven along the gear 150. Move upward in the height direction, push the drain valve 20 to move upward, release the seal of the valve port, and the drain valve 20 starts draining water.

Example 3

This embodiment discloses an automatic flushing unit for a toilet, which includes the push driving device 10 of the toilet drain valve disclosed in Embodiment 1 or Embodiment 2. This automatic flushing unit also includes a sensing device provided on the toilet, and the sensing device is electrically connected to the driving component 130 . Among them, the sensing device is used to collect the user's human body information and convert it into electrical signals for transmission to the driving component 130 .

More specifically, the sensing device has a built-in WeChat processor, which can determine the collected user's human body information and transmit electrical signals to the driving part.

More specifically, when the automatic flushing unit of this toilet is in use, the sensing device collects the user's human body information, and the microprocessor in the sensing device makes a judgment. If it is determined that the user has finished using the toilet, the sensing device The electrical signal is transmitted to the driving component 130, and the driving component 130 drives the pushing member 120 to move in the height direction and links the drain plug 220 to open the valve port to achieve the purpose of flushing. After flushing is completed after a predetermined time, the sensing device stops transmitting electrical signals to the driving component 130, and the driving component 130 stops driving the pushing member 120. At this time, the drain plug 220 moves downward along the height direction under the action of its own gravity, until the drain plug 220 reseals the valve port, and links the pushing member 120 to move upward along the height direction until it returns to the initial position. Utilizing the above-mentioned automatic flushing unit, the user does not need to specifically operate the toilet to complete flushing after using the toilet, which greatly simplifies the user's use process and reduces the user's labor intensity.

More specifically, the predetermined time for toilet drainage can be set to 1.5s, 2s, 2.5s or 3s. Those skilled in the art can design and select according to the size of the valve port (that is, the drainage rate). This embodiment does not Make specific limitations.

More specifically, the sensing device includes a plurality of capacitive sensors arranged at intervals on the toilet seat, and adjacent capacitive sensors among the plurality of capacitive sensors are connected in series.

Specifically, multiple capacitive sensors are arranged at intervals on the toilet seat, and multiple adjacent capacitive sensors are connected in series. The control component can determine the user's figure through the electrical signals obtained by different numbers of capacitive sensors. Different drainage volumes can be set, and this structure works together through multiple capacitive sensors to accurately detect human body information.

More specifically, the sensing device also includes an infrared sensor, which is arranged on the side wall of the toilet water tank facing the seat.

More specifically, an infrared sensor is installed on the side wall of the toilet water tank facing the seat. The infrared sensor can detect infrared rays with a specific wavelength of about 10UM emitted by the body temperature of the person using the toilet to determine whether someone is using the toilet.

Claims

A push-type driving device for a toilet drain valve, wherein the toilet drain valve is fixedly installed in the toilet water tank and includes a housing, a drain plug provided at the lower end of the housing, and a slider provided at the upper end of the housing. block, wherein the drain plug is openably sealed against the valve port at the lower end of the housing, the valve port is against the drain port on the bottom wall of the toilet tank, and the slider and the drain plug Transmission connection; characterized in that: the push-type driving device includes a pushing member, a fixed member, and a driving component; wherein

The fixing member is fixedly disposed on one end of the toilet drain valve, and the fixing member has a cavity extending along the height direction of the toilet drain valve;

The pushing member is movably disposed in the cavity of the fixed member along the height direction, and one end of the pushing member can extend out of the cavity and be drivingly connected to the drain plug;

The driving component is drivingly connected to the pushing member and drives the pushing member to move relative to the fixed member along the height direction; wherein

The driving component drives the pushing member to move along the height direction and links the drain plug to open the valve port.
The push type driving device of the toilet drain valve according to claim 1, characterized in that, wherein

The fixing member is provided at the upper end of the toilet drain valve and above the slider;

One end of the pushing member is fixedly connected to the upper surface of the slider; wherein

The driving component drives the pushing member to move along the height direction, and one end of the pushing member drives the slider to move downward along the height direction and links the drain plug to open the valve port.
The push type driving device of the toilet drain valve according to claim 1, characterized in that, wherein

The fixing member is provided at the lower end of the toilet drain valve and below the drain plug;

One end of the pushing member is fixedly connected to the lower surface of the drain plug; wherein

The driving component drives the pushing member to move along the height direction, and one end of the pushing member drives the drain plug to move upward along the height direction to open the valve port.
The push type driving device of a toilet drain valve according to any one of claims 1 to 3, characterized in that:

The driving component is configured as an electromagnetic structure, and the electromagnetic structure corresponds to the pushing member in the height direction;

The fixing member is configured as a cylindrical structure, and the electromagnetic structure is fixedly connected to one end of the fixing member;

The pushing member includes a guide part and a rod part. One end of the rod part is fixedly connected to the guide part, and the other end of the rod part is drivingly connected to the drain plug. The outer wall of the guide part is connected to the The inner side walls of the fixed member are adapted to each other, where

The portion of the guide portion facing the driving component is provided with a permanent magnet.
The push type driving device of a toilet drain valve according to any one of claims 1 to 3, characterized in that:

The driving component is configured as a pump, and the pump is configured on one side of the toilet drain valve;

The fixed component includes a sealed piston cylinder, an end surface of one end of the piston cylinder is provided with a through hole, and the inner cavity of the piston cylinder is connected to the pump pipeline through the through hole;

The pushing member includes a piston part and a rod part, one end of the rod part is fixedly connected to the piston part, and the other end of the rod part extends out of the other end of the piston part and is drivingly connected to the drain plug, The outer side wall of the piston part is sealingly adapted to the inner side wall of the piston cylinder; wherein

The pump is an air pump or a hydraulic pump.
The push-type driving device for a toilet drain valve according to claim 5, wherein a pressure relief component is provided on the piston cylinder.
The push type driving device of the toilet drain valve according to claim 6, characterized in that:

The pressure relief component includes a blocking member, a pressure relief port is provided on the side wall of the piston cylinder, and the blocking member is openably and sealingly abutted against the pressure relief port;

A float is also provided in the toilet water tank, the float floats on the water surface in the toilet water tank, and the blocking member is drivingly connected to the float; wherein

A linkage piece is provided on the outside of the blocking member, one end of the linkage piece is hinged to the blocking piece, and the other end of the linkage piece is hinged to the float.
The push type driving device for a toilet drain valve according to claim 5, wherein a sealing ring is provided on the outer peripheral side wall of the piston portion of the push member.
The push type driving device of a toilet drain valve according to any one of claims 1 to 3, characterized in that:

The driving component is configured as a motor, the output shaft of the motor extends perpendicular to the height direction, and a gear is provided on the output shaft;

The pushing member is configured as a rack meshing with the gear of the output shaft, the rack extends along the height direction, and one end of the rack is drivingly connected to the drain plug.
An automatic flushing unit for a toilet, characterized in that it includes a push-type driving device for a toilet drain valve according to any one of claims 1 to 9, and also includes a sensing device arranged on the toilet, the sensing device and The driving component is electrically connected; wherein

The sensing device is used to collect the user's human body information and convert it into electrical signals for transmission to the driving component.