WO2021026904A1

WO2021026904A1 - Drainage valve with two ways for starting drainage

Info

Publication number: WO2021026904A1
Application number: PCT/CN2019/100849
Authority: WO
Inventors: 张子鹏; 刘永茂
Original assignee: 厦门立业卫浴工业有限公司
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2021-02-18

Abstract

Disclosed is a drainage valve with two ways for starting drainage. The drainage valve comprises a key seat, a body, a key, a float barrel, an inner core pipe and a water sealing piece, wherein the float barrel and the inner core pipe form a drainage structure inside the body, and the water sealing piece is mounted at a lower end of the inner core pipe; the key seat is mounted on the body, and the key is mounted inside the key seat; the key comprises a manual key and an electrically driven key, and the manual key and the electrically driven key are respectively used for lifting the inner core pipe to achieve drainage; and the electrically driven key is electrically connected to a power source, and is controlled by an induced electric signal, the induced electric signal comes from an induction button, the induction button is slidably mounted inside a button seat, a top rod is connected to the bottom of the induction button, the button seat is mounted on an upper cover of a toilet water tank, and the top rod correspondingly abuts against the manual key. The present invention mainly replaces one of two manual keys on existing drainage valves with the electrically driven key, so that the drainage valve has manual and electrically driven functions for starting drainage.

Description

Drain valve with two ways to activate drain

Technical field

The invention belongs to a toilet tank drain valve, and particularly relates to a drain valve with two ways to start draining.

Background technique

Most of the existing toilet water tank drain valves touch the button on the drain valve body in the water tank by pressing the button on the upper cover of the toilet tank or turning the knob on the upper cover to activate the drain function of the drain valve to realize the toilet tank Flush.

As shown in Figure 1, the button structure on the upper cover of the toilet tank includes a button seat 100, a half-row drain button 10, and a full-row drain button 20. The half-row drain button 10 and the full-row drain button 20 are slidingly installed with the button seat 100 Inside, a spring 200 is installed between the half-row drain button 10 and the full-row drain button 20 and the button seat 100 to provide restoring force after the half-row drain button 10 and the full-row drain button 20 are pressed to initiate drainage.

As shown in Figure 2-13, CN203569659U patent document discloses a double drain valve, including a button seat 5, a body 1, a half row of buttons 61, a full row of buttons 62, a half row of floating bucket 2, a full row of floating bucket 3, Inner core tube 4, lever 8 and sealing sheet 7; half row of floating bucket 2, full row of floating bucket 3 and inner core tube 4 are assembled in the body 1 to form a half row structure and a full row structure; the button seat 5 is installed on the body On 1, the half row of buttons 61 and the full row of buttons 62 are assembled on the button holder 5; two sets of levers 8 are installed in the body 1, and arranged symmetrically, one end 81 abuts the half row of buttons 61 and the full row of buttons 62, and the other end The inner core tube 4 is connected with the inner core tube 4 by the tie rods. The water sealing sheet 7 is installed on the lower end of the inner core tube 4, and a half row of bumps 41 and a full row of bumps 42 are formed on the inner core tube 4, correspondingly with the half row of floating bucket 2. A half row of brackets 21 are interlocked with the full row of floating buckets 3, and a full row of brackets 31 are interlocked with the full row of floating buckets 3.

When the toilet tank is filled with water, the water sealing sheet 7 at the lower end of the inner core tube 4 blocks the drain on the body 1 (as shown in Figure 7). When half or full flushing is required, manually press the toilet tank The half-row drain button 10 or the full-row drain button 20 on the upper cover is pushed through the half-row ejector pin (not shown in the figure) or the full-row drain button 20 through the full row ejector pin (not shown in the figure) The half-row buttons 61 or the full row of buttons 62 move downwards, driving the lever 8 to rotate, and thereby driving the inner core tube 4 upward through the pull rod 9 (as shown in Figures 5 and 6), until the half row of the inner core tube 4 The bump 41 abuts on the half-row bracket 21 of the half row of floating buckets 2 (as shown in Figure 8) or the full row of bumps 42 abuts on the full row of brackets 31 of the full row of floating buckets 3 (as shown in Figure 9) ), at this time, the inner core tube 4 is restricted, and the water sealing sheet 7 is lifted to achieve half-row (as shown in Figure 8) or full-row flushing (as shown in Figure 9).

When the water level in the toilet tank drops to the half-row float 2 or the full-row float 3, the half-row float 2 or the full-row float 3 loses buoyancy and falls downward under the action of gravity (as shown in Figure 10) As shown), the half-row brackets 21 are driven to deflect (as shown in FIG. 11) or the full-row brackets 31 are deflected (as shown in FIG. 12), and the half-row bumps 41 on the inner core tube 4 lose the support or the full-row brackets 21. The row convex point 42 loses the support of the full row of brackets 31, the inner core tube 4 falls, and the water sealing sheet 7 re-blocks the water outlet of the body 1 (as shown in FIG. 13) to complete the flushing of the drain valve.

From the above, it is known that the ordinary drain valve needs to be manually pressed to achieve the flushing function, which will cause some stains on the button, especially installed in public health places. After different people have used the toilet, they need to press The button of the drain valve is more dirty. People who have used the toilet are reluctant and have to press the button. With the improvement of people's hygiene quality and convenience, the market urgently needs to develop a new drain valve to start draining. structure. For this reason, the inventor of the present invention has improved the drainage activation structure of the drainage valve in response to the above-mentioned requirements.

Summary of the invention

The purpose of the present invention is to provide a drain valve with two ways to start draining water, which can not only realize the function of electrically opening the drain, but also can apply the function of manually pressing the drain.

In order to achieve the above objective, the technical solution of the present invention is as follows:

There are two ways to start the drain valve, including the button seat, the body, the button, the floating bucket, the inner core tube and the water sealing sheet; the floating bucket and the inner core tube group form a drainage structure in the body, and the inner core tube is equipped with a seal at the lower end. The button seat is installed on the body, and the buttons are installed in the button seat; the buttons include a manual button, an electric drive button, the manual button and the electric drive button are respectively used to lift the inner core tube to achieve drainage; The electric drive button is electrically connected to the power supply and is controlled by the induction electric signal. The induction electric signal is derived from the induction button. The induction button is slidably installed in the button seat, and the bottom of the induction button is connected with a top rod. The button seat is installed On the upper cover of the toilet tank, the top rod correspondingly abuts on the manual button.

Further, the electric drive button can be detachably installed on the body, and is interchangeable with the manual button.

Further, the electric drive key includes a motor and a push rod, the motor and the push rod are provided with a worm gear transmission mechanism, and the worm gear transmission mechanism converts the rotation of the motor into the linear motion of the push rod.

Further, the power source is a dry battery, a storage battery or a rechargeable battery in a battery box of the sealing device, and the battery box is installed in the toilet tank.

Further, the floating bucket includes a half-row floating bucket, a full-row floating bucket, and a half-row floating bucket, a full-row floating bucket and an inner core tube are assembled in the body to form a half-row structure and a full-row structure.

Further, two sets of levers are installed in the body and arranged symmetrically. One end is in contact with the manual button and the electric drive key, and the other end is connected to the inner core tube by a tie rod, forming a half row of convex points and a full row on the inner core tube. Correspondingly, the convex points are provided with half-row brackets in conjunction with the half-row floating buckets, and full-row brackets are provided in conjunction with the full-row floating buckets, and the half-row brackets and the full-row brackets are respectively rotatably arranged on the body.

Further, the sensor button has an infrared sensor module, a chip, and a control circuit. The infrared sensor module is blocked to generate an induction signal and transmit it to the control circuit. The programmable chip on the control circuit controls to generate an induction signal, which can be wired or wireless. The method is transmitted to the electric drive button, and the electric drive button is turned on, thereby lifting the inner core tube for drainage.

Further, the induction button can be detachably installed in the button seat.

Further, a spring is provided between the sensor button and the button seat.

Further, a return spring is provided between the manual button and the button seat.

Compared with the existing drain valve, this patent mainly replaces one of the two manual buttons on the existing drain valve with an electric drive button, so that the drain valve has both manual and electric opening methods. When the power is turned on, people don’t need to touch or press the sensor button, they only need to wave their hands or other ways above the sensor button to make the sensor button generate an induction signal to turn on the electric drive button to push the inner core tube to lift and realize the drainage of the drain valve. Realize the induction drainage function. As for the drain valve, the full or half row function is controlled by the push stroke of the electric drive key, and the push stroke is realized by the chip program that generates the induced electric signal to control the motor in the electric drive key. When the power is insufficient or the electric drive button cannot work, at this time, manually press the sensor button to slide down on the button seat, and push the manual button through the ejector rod to lift the inner core tube to realize the manual drain function. The drain valve needs to be fully drained. Or the half-row function is controlled by the push stroke of the manual button, which is determined by the stroke size of the sensor button sliding down on the button seat.

Description of the drawings

Figure 1 is a perspective view of the existing double drain valve button structure;

Figure 2 is a perspective view of a conventional double drain valve;

Figure 3 is an exploded view of the button and body of the existing double drain valve;

Figure 4 is an exploded view of the button, button seat and body of the existing double drain valve;

Fig. 5 is a schematic diagram of the initial state of the existing double drain valve pushing the inner core pipe by the button;

Fig. 6 is a schematic diagram of the state of the process of pushing the inner core pipe to rise by the button of the existing double drain valve;

Fig. 7 is a schematic diagram of a water stop state of a conventional double drain valve;

Fig. 8 is a schematic diagram of a half-drainage state of a conventional double drain valve;

Figure 9 is a schematic diagram of a full-drainage state of a conventional double drain valve;

Figure 10 is a schematic diagram of the existing double drain valve floating bucket losing buoyancy and falling downward under the action of gravity;

Figure 11 is a schematic diagram of the existing double drain valve half-row floating bucket losing buoyancy and realizing water stop again;

Figure 12 is a schematic diagram of the existing double drain valve full row floating bucket losing buoyancy and re-realizing water stop;

Figure 13 is a schematic diagram of the existing double drain valve to stop water;

Figure 14 is a perspective view of the drain valve of the present invention;

Figure 15 is an exploded view of the electric drive key and the body of the drain valve of the present invention;

Figure 16 is a perspective sectional view of the drain valve of the present invention;

Figure 17 is a front sectional view of the drain valve of the present invention;

Figure 18 is a schematic diagram of the assembly of the drain valve of the present invention on the toilet tank.

detailed description

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will introduce the drawings that need to be used in the description of the embodiments or the prior art.

As shown in Figure 14-18, there are two ways to start the drain valve for draining water, including the button seat 5', the body 1', the button 2', the floating bucket 3', the inner core tube 4'and the water sealing sheet 7'; The floating bucket 2'and the inner core tube 4'are combined to form a drainage structure in the main body 1'. The lower end of the inner core tube 4'is equipped with a water sealing sheet 7'; the button seat 5'is installed on the main body 1', and the button 2'is installed In the button seat 5'; the button 2'includes a manual button 21', an electric drive button 22', the manual button 21' and the electric drive button 22' are used to lift the inner core tube 4'to achieve drainage; The electric drive key 22' is electrically connected to a power source and is controlled by an induction electric signal. The induction electric signal is derived from the induction button 10'. The induction button 10' is slidably installed in the button seat 100', and the induction A top rod 11' is connected to the bottom of the button 10', the button seat 100' is installed on the upper cover of the toilet tank, and the top rod 11' correspondingly abuts on the top of the manual button 21'.

The main improvement of the present invention is to replace one of the two manual buttons on the existing drain valve with an electric drive button, so that this case has both manual and electric opening modes. At the same time, the present invention can also design the electric drive button 22' into It can be installed on the main body 1'in a detachable and replaceable manner, which is interchangeable with the existing manual 21' key. When the market needs all the existing manual drain valves, the electric drive key 22' is removed from the main body 1' , And then install a manual button 21', remove the sensor button 10' from the button seat 100', install the existing half-row drain button and full-row drain button, so that this case does not need to To modify the main structure of the drain valve or design a new drain valve, it is only necessary to design a new electric drive button 22' and a new induction button 10' on the existing basis to save the production cost of the product.

As for the electric drive key 22', it is sufficient to adopt an electric drive mechanism that can drive the inner core tube to rise. For those skilled in the industry, it is not difficult to design this electric drive mechanism, such as designing the electric drive key 22' as a motor (Figure Not shown) a worm gear and worm transmission mechanism matched with the push rod 23', which converts the rotation of the motor into a linear motion of the push rod 23', and pushes the inner core tube 4'up to achieve drainage.

The power required by the motor (not shown in the figure) of the electric drive key 22' can be supplied by household electricity through a power cord after being transformed. Considering that some old houses or outdoor toilets do not have household electricity, The power supply can also use common dry batteries, accumulators or rechargeable batteries in daily life. The dry batteries, accumulators or rechargeable batteries are sealed in the battery box 6', and the battery box 6'is placed in the horse box water tank, so that the electric drive key 22' and the dry battery and accumulator Or the power cord connected to the rechargeable battery will not be exposed outside the toilet tank.

The present invention does not improve the drainage structure formed by the floating bucket 3'and the inner core pipe 4'of the drain valve. The present invention can be implemented for both single drain valves and double drain valves in the industry, such as the use of existing double drain valves. Drainage structure, including half-row floating buckets, full-row floating buckets, half-row floating buckets, full-row floating buckets and inner core pipe assembled in the body to form a half-row structure and a full-row structure. Two sets of levers 8 are installed in the body 1. ', and symmetrically arranged, one end 81' abuts against the manual button 21' and the electric drive key 22', and the other end 82' is connected to the inner core tube 4'through the tie rod 9', forming a half-row convex on the inner core tube 4' Correspondingly, the half-row brackets are connected with the half-row floating buckets, and the full-row brackets are connected with the full-row floating buckets. The half-row brackets and the full-row brackets are respectively rotatably arranged on the body 1'. As for the need to realize the full row or half row function, it is controlled by the pushing stroke of the electric drive key 22', and the pushing stroke is realized by controlling the motor in the electric drive key 22' by the chip program that generates the induced electric signal. When the power is insufficient or the electric drive button 22' cannot work, at this time, manually press the induction button 10' to slide down on the button seat 100', and push the manual button 21' through the ejector rod 11' to lift the inner core tube 4'to To achieve drainage, the same drain valve requires full or half row function to be controlled by the pushing stroke of the manual button 21', that is, the stroke size of the sensing button 10' sliding down on the button seat 100' is determined.

The induction button 10' of the present invention adopts a mature induction method on the market, such as an infrared induction module, a chip and a control circuit. The infrared induction module is blocked by a human hand and generates an induction signal which is transmitted to the control circuit and is controlled by a programmable chip on the control circuit. The induced electric signal is generated and transmitted to the electric driving key 22' in a wired or wireless manner, and the electric driving key 22' is turned on, thereby lifting the inner core tube 4'for drainage.

A spring is arranged between the induction button 10' and the button base 100' of the present invention to prevent the induction button 10' from being trapped in the housing of the button base 100' and also provide the induction button 10' with resilience.

In the same way, a return spring is also provided between the manual button 21' and the button base 5'of the present invention.

Claims

There are two ways to start the drain valve, including the button seat, the body, the button, the floating bucket, the inner core tube and the water sealing sheet; the floating bucket and the inner core tube group form a drainage structure in the body, and the inner core tube is equipped with a seal at the lower end. The button seat is installed on the body, and the buttons are installed in the button seat; it is characterized in that: the buttons include a manual button and an electric drive button, and the manual button and the electric drive button are respectively used to lift the inner core tube to achieve Drain; the electric drive button is electrically connected to the power supply, and is controlled by an induction electric signal, the induction electric signal is derived from an induction button, the induction button is slidably installed in the button seat, and the bottom of the induction button is connected to a top rod , The button seat is installed on the upper cover of the toilet tank, and the top rod correspondingly abuts on the manual button.
The drain valve with two ways to start draining according to claim 1, characterized in that: the electric drive button is detachably installed on the main body and is interchangeable with the manual button.
The drain valve with two ways to start draining according to claim 1, characterized in that: the electric drive key includes a motor and a push rod, and the motor and the push rod are provided with a worm gear and worm drive mechanism. The mechanism converts the rotation of the motor into the linear motion of the push rod.
The drain valve with two ways to start draining according to claim 1, wherein the power source is a dry battery, a storage battery or a rechargeable battery in a battery box of the sealing device, and the battery box is installed in the toilet tank.
The drainage valve with two ways to start drainage according to claim 1, characterized in that: the floating bucket includes a half-row floating bucket, a full-row floating bucket, a half-row floating bucket, a full-row floating bucket and an inner core tube Assembled in the body to form a half-row structure and a full-row structure.
The drainage valve with two ways to start drainage according to claim 5, characterized in that: two sets of levers are installed in the body, and they are arranged symmetrically, one end is in contact with the manual button and the electric drive button, and the other end is through the pull rod Connected with the inner core tube, a half row of bumps and a full row of bumps are formed on the inner core tube. Correspondingly, a half row of brackets are set in conjunction with the half row of floating buckets, and a full row of brackets are set in conjunction with the full row of floating buckets. The row of supports and the full row of supports are respectively rotatably arranged on the body.
The drain valve with two ways to start draining according to claim 1, characterized in that: the sensor button contains an infrared sensor module, a chip and a control circuit, and the infrared sensor module is blocked to generate a sensor signal and transmit it to the control circuit. The programmable chip on the control circuit generates an induced electrical signal, which is transmitted to the electric drive button in a wired or wireless manner, and the electric drive button is turned on, thereby lifting the inner core tube for drainage.
The drain valve with two ways to start draining according to claim 1, wherein the sensor button is detachably installed in the button seat.
The drain valve with two ways to start draining according to claim 1, characterized in that: a spring is provided between the sensing button and the button seat.
The drain valve with two ways to start draining according to claim 1, characterized in that: a return spring is provided between the manual button and the button seat.