WO2019184166A1

WO2019184166A1 - Flushing valve, flushing mechanism and toilet

Info

Publication number: WO2019184166A1
Application number: PCT/CN2018/097610
Authority: WO
Inventors: 苏中吾; 梁国健; 钟普华; 莫有安; 朱红
Original assignee: 日丰企业（佛山）有限公司; 日丰企业集团有限公司; 日丰科技有限公司
Priority date: 2018-03-28
Filing date: 2018-07-27
Publication date: 2019-10-03

Abstract

Disclosed is a flushing valve, comprising a valve body (202), a delay water cavity (203), a movable valve core (204), a flushing switch (201), a push rod assembly (205) and an elastic assembly (206). The delay water cavity (203), the movable valve core (204), the push rod assembly (205) and the elastic assembly (206) are all arranged in the valve body (202). The valve body (202) is provided with a water inlet (212) and a water outlet (214). One end of the flushing switch (201) is arranged inside the valve body (202), and the other end thereof extends out of the valve body (202). One end of the movable valve core (204) may slidably cooperate with the delay water cavity (203) to connect or disconnect the water inlet (212) and the water outlet (214), and the other end of the movable valve core (204) extends out of the delay water cavity (203) and is connected to the push rod assembly (205). The push rod assembly (205) is connected to or abuts against the flushing switch (201). A water inlet (2031) in communication with an inner cavity of the delay water cavity is provided in the delay water cavity (203), and a delay groove (2032) is provided in an inner wall of the delay water cavity (203). Further disclosed are a flushing mechanism and a toilet.

Description

Flush valve, flushing mechanism and toilet

Technical field

The invention relates to sanitary equipment, in particular to a flush valve, a flushing mechanism and a toilet.

Background technique

In the traditional toilet, the tap water is stored in the water tank through the water inlet valve, and then the water in the water tank is simultaneously distributed to the washing surface flushing passage and the sewage outlet flushing passage through the drain valve, and the washing surface and the sewage passage are flushed at the same time, thereby realizing The purpose of toilet cleaning. However, the conventional toilet has a problem that the flushing is not strong and the water consumption is large.

Summary of the invention

Based on this, the present invention overcomes the defects of the prior art, and provides a flush valve, a flushing mechanism and a toilet, which are more powerful in flushing and can effectively save flushing water.

Its technical solutions are as follows:

A flush valve includes a valve body, a time delay water chamber, a movable valve core, a flushing switch, a push rod assembly and an elastic component capable of driving the push rod assembly to rebound, the time delay water chamber and the movable valve core The push rod assembly and the elastic assembly are all disposed in the valve body, and the valve body is provided with a water inlet and a water outlet, and one end of the flush switch is disposed in the valve body, and the other end protrudes from the valve a body, one end of the movable spool can be slidably engaged with the inner wall of the time delay water chamber, the water inlet is connected or disconnected from the water outlet, and the other end of the movable valve core extends out of the delay water chamber and Connected to one end of the push rod assembly, the other end of the push rod assembly is connected or abutted with the flushing switch, and the water delay hole is connected with a water inlet hole communicating with the inner cavity thereof, and is extended A delay groove is formed on the inner wall of the water chamber.

When the water is not flushed, the movable valve core divides the inner cavity of the valve body into two chambers, the chamber communicating with the water outlet is a water passing chamber, and the chamber communicating with the water inlet is a water inlet chamber. In the flushing state, when the flushing switch is pressed, the push rod assembly moves in the direction in which the water chamber is delayed, and the delayed water chamber moves along the inner wall thereof, so that the water outlet communicates with the water inlet, and the water inlet is used for external tap water. Connected, at this moment, when the static pressure in the inlet chamber is released, the pressure in the valve body is equal to the atmospheric pressure, and the potential energy generated by the daily tap water is converted into flushing kinetic energy, which instantly forms a flushing water flow and generates supercharging. Impulse, achieve pressurized flushing, more powerful flushing, can effectively save flushing water; when the flushing switch is released, the elastic group rebounds to make the movable spool produce a tendency to move closer to the direction of the flushing switch, the active spool is The resilience of the elastic component moves toward the flush switch. At this time, the water pressure in the water chamber is delayed to drain into the delay water chamber through the delay groove, and the movable spool is prevented from approaching the flush switch. By controlling the elastic force of the elastic component and the opening degree of the delay groove, the time for the communication between the water inlet and the water inlet chamber can be controlled, that is, the communication time between the water inlet and the water outlet is controlled, in the range of 2 to 15 seconds. , automatic delay off, so as to achieve the purpose of controlling the amount of flushing water. Through the principle of time-delay closure, the on-demand distribution of flushing water volume is realized, the amount of flushing water is focused, and the flushing kinetic energy of the water volume is focused to further achieve the purpose of flushing and super-saving water.

Further, a valve sleeve is further disposed in the valve body, and a flange is disposed on an inner wall of the valve body, one end of the screw sleeve is connected to the valve body, and the other end is connected to the delay water chamber Pressing on the flange, the push rod assembly is connected to the movable valve core through the threaded sleeve, and a first sealing member is disposed between the threaded sleeve and the push rod assembly, the threaded sleeve and the extension A second sealing member is disposed between the water chambers, and a water chamber is formed between the first sealing member and the second sealing member, the water passing chamber is communicated with the water outlet, and the movable valve core is in a natural state and The second seal is sealingly engaged to disconnect the water passage from the water inlet.

Further, the movable valve core includes a third sealing member, a connecting screw and a pressing sleeve, one end of the connecting screw is connected with the push rod assembly, and the other end is connected with the pressing sleeve, and the third sealing member is sleeved on the The pressing sleeve is slidably engaged with the inner wall of the time delay water chamber, and the end surface of the pressing sleeve is in sealing engagement with the second sealing member in a natural state.

Further, the movable valve core further includes a fourth sealing member, the pressing sleeve is provided with a stepped hole, and an end of the connecting screw near the nut is provided with an annular groove, and the fourth sealing member is sleeved on the In the annular groove, an end of the connecting screw away from the nut is connected to the push rod assembly through the stepped hole.

Further, the elastic component includes an outer spring and an inner spring disposed in the outer spring, one end of the outer spring abuts or connects with the flush switch, and the other end abuts the screw sleeve, and one end of the inner spring Abutting or connecting with the push rod assembly, and the other end abutting the screw sleeve.

Further, the valve body includes a first cylinder body, a second cylinder body and a connecting cylinder body, the first cylinder body is screwed to the connecting cylinder body, and the connecting cylinder body is pressed on the screw sleeve by a circlip, The nut sleeve is threadedly coupled to the second barrel.

Further, the threaded sleeve includes a threaded outer sleeve and an inner sleeve, and a groove for receiving the first sealing member is formed between the outer sleeve and the inner sleeve, and the push rod assembly sequentially passes through the outer sleeve and the first The sealing member is connected to the movable valve core, and the outer side of the outer sleeve is screwed to the second cylindrical body, and one end of the inner sleeve away from the first sealing member is pressed against the delay water chamber, and the time delay water chamber and the inner portion A recess is formed between the sleeves for receiving the second seal.

A flush valve includes: a valve body, a valve chamber is formed inside the valve body, the valve body has a water inlet and a water outlet; and a water passage chamber is formed in the valve chamber and is connected to the water outlet Connected to a delay water chamber in the valve chamber, the inner cavity of the time delay water chamber is adjacent to the water passage chamber and a valve port is formed therebetween; the delay water chamber The wall body is provided with a water inlet hole and a time delay groove, and the water inlet port communicates with the inner cavity of the time delay water chamber through the water inlet hole and the delay groove; the movable valve core and the chamber a sliding fit of the inner cavity wall of the time delay water chamber; the movable spool having a closed position for blocking the valve port to disconnect the water inlet and the water outlet, and opening the valve port An open position for communicating the water inlet and the water outlet passage; a push rod assembly, one end of the push rod assembly passing through the wall of the water passage chamber and the valve port and the movable valve a core connection, and dividing the inner cavity of the time delay water chamber into a rod cavity and a rodless cavity; the other end of the push rod assembly is located in the water passage cavity Outside the body, and the other end of the push rod assembly is adapted to drive the movable spool to move to switch the movable spool from the closed position to the open position, during the switching process, The water in the rodless chamber is adapted to be discharged outward through the time delay groove; the first elastic returning member is adapted to drive the push rod assembly to move when the other end of the push rod assembly is unstressed, To move the movable spool from the open position to the closed position, during which the water entering by the water inlet is adapted to enter the rodless cavity through the delay groove.

A flushing mechanism includes a three-way valve and two of the flushing valves, wherein the two flushing valves are a first valve body and a second valve body, respectively, and the water inlet of the three-way valve is used for The water pipe is connected, one water outlet of the three-way valve is connected with the water inlet of the first valve body, and the other water outlet of the three-way valve is connected with the water inlet of the second valve body, and the water outlet of the first valve body is used for connection The first flushing pipe, the water outlet of the second valve body is used for connecting the second flushing pipe, and the flushing switch of the first valve body is connected with the flushing switch of the second valve body to form a main switch.

After pressing the main switch, the tap water in the inlet pipe is directly distributed to the first flushing pipe and the second flushing pipe respectively through the first valve body and the second valve body, and the washing surface and the sewage channel of the toilet can be separately flushed to avoid The flushing pressure and the loss of flushing kinetic energy, and the flushing mechanism pressurizes the flushing pressure, distributes the appropriate amount of water to the washing surface of the toilet, distributes a large amount of flushing water and the amount of concentrated water that the pressurized flushing water performs on the sewage channel and Powerful rinsing, more powerful rinsing, and the ability to achieve a powerful flush with less water usage.

Further, the opening degree of the delay groove of the first valve body is smaller than the opening degree of the delay groove of the second valve body, so that the flushing amount of the first flush pipe and the second punch are The ratio of water flushing is 8:2 to 9:1.

A toilet comprising the flush valve; or a flushing mechanism.

A water-saving toilet includes a toilet seat, a flushing mechanism, a first flushing pipe and a second flushing pipe, wherein the toilet body is provided with a flushing tank and an injection port, and the flushing mechanism comprises a first valve body and a second valve body, the first valve body is provided with a first water inlet and a first water outlet, and the second valve body is provided with a second water inlet and a second water outlet, the first water inlet and The second water inlet is configured to communicate with the water inlet pipe, one end of the first flush water pipe is in communication with the first water outlet, and the other end is in communication with the injection port, and one end of the second flush water pipe is connected to the second water outlet. The other end is in communication with the flushing water tank, and a flushing switch is disposed on both the first valve body and the second valve body.

The above-mentioned toilet has the above-mentioned flush valve or flushing mechanism, and the flushing is more powerful, and can achieve a strong flushing effect with a small water consumption.

DRAWINGS

1 is a schematic structural view of a flush valve according to an embodiment of the present invention;

2 is a schematic cross-sectional view showing a state in which a flush valve is closed according to an embodiment of the present invention;

3 is a cross-sectional view showing the opening state of the flush valve according to an embodiment of the present invention;

4 is a schematic structural view of a flushing mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of the toilet after being cut away according to an embodiment of the present invention; FIG.

6 is a schematic cross-sectional view of a toilet according to an embodiment of the present invention;

Fig. 7 is a schematic cross-sectional view showing the state in which any of the flush valves is opened in the toilet according to an embodiment of the present invention, wherein arrows indicate the flow direction of water from the water inlet to the water outlet of any of the flush valves.

Description of the reference signs:

10, sitting body; 110, sewage channel; 120, flushing tank; 122, flushing port; 130, injection port; 140, washing surface; 20, flushing mechanism; 201, flushing switch; 202, valve body; 2021 , flange; 2022, first cylinder; 2023, second cylinder; 2024, connecting cylinder; 203, time delay water chamber; 2031, water inlet hole; 2032, delay groove; 204, movable valve core 2041, third seal; 2042, connecting screw; 2043, compression sleeve; 2044, fourth seal; 205, push rod assembly; 206, elastic assembly; 2061, outer spring; 2062, inner spring; 2071, outer casing; 2072, inner sleeve; 208, water chamber; 209, water inlet chamber; 212, water inlet; 212a, first water inlet; 212b, second water inlet; 214, water outlet; 214a, a water outlet; 214b, a second water outlet; 210, a first valve body; 220, a second valve body; 230, a main switch; 240, a first seal; 250, a second seal; 260, a fifth seal ; 270, circlip; 30, the first flush pipe; 40, the second flush pipe; 50, the inlet pipe; 60, three-way valve; 70, the box; 80, the fixed seat.

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be more fully understood.

It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right", and the like, as used herein, are for the purpose of illustration and are not intended to be the only embodiment.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

As shown in Figures 1, 2, and 3, a flush valve is shown, including a valve body 202, a time delay water chamber 203, a water passage chamber 208, a spring mounting chamber, a movable valve core 204, a flush switch 201, The push rod assembly 205 and the elastic assembly 206 that can drive the push rod assembly 205 to rebound. A valve chamber is formed inside the valve body 202, and the delay water chamber 203, the movable valve core 204, the push rod assembly 205, the water passing chamber 208, the spring mounting chamber and the elastic assembly 206 may be disposed on the valve body 202. In the inner valve cavity, the valve body 202 is provided with a water inlet 212 and a water outlet 214. One end of the flush switch 201 is disposed in a spring mounting cavity of the valve body of the valve body 202, and the other end extends out of the spring mounting cavity (located outside the valve body 202) for use as a pressing member.

The delay water chamber 203 cannot move relative to the valve body 202. The wall of the time delay water chamber 203 is provided with a water inlet hole 2031, and the wall of the time delay water chamber 203 is provided with a delay concave. Slot 2032. The water inlet 212 can communicate with the inner cavity of the time delay water chamber 203 through the water inlet hole 2031 and the delay groove 2032. The time delay water chamber 203 is located, for example, in the inlet chamber 209 of the valve chamber that communicates with the water inlet 212.

A water passage 208 is formed in the valve cavity, such as between the push rod assembly 205 and the valve body 202. When the movable spool 204 is in the closed state, the movable valve body 204, the push rod assembly 205 and the valve body 202 define a water passing chamber 208 that is isolated from the time delay water chamber 203. The water passing chamber 208 is in communication with the water outlet 214, and the inner cavity of the time delay water chamber 203 is adjacent to the water passing chamber 208 with a valve port formed therebetween.

The movable spool 204 is slidably engaged with the inner wall (cavity wall) of the time delay water chamber 203, and has a closed position (closed state) for closing the valve port and an open position (open state) for opening the valve port. As shown in Figure 2, when the movable spool 204 is in the closed position, the passage between the water inlet 212 and the water outlet 214 is broken. 3, when the movable spool 204 is in the open position, the passage between the water inlet 212 and the water outlet 214 is communicated (in conjunction with FIG. 7, the straight line or broken line arrow in FIG. 7 shows the water when the valve opening is open, An exemplary flow path from the water inlet 212 into the valve chamber from the water outlet 214).

One end of the push rod assembly 205 passes through the wall and the valve port of the water passing chamber 208, and is connected to the movable valve core 204. The push rod assembly and the movable valve core 204 cooperate to delay the inner cavity of the water chamber 203. Divided into rod cavity and rodless cavity. Specifically, the delay water chamber 203 is located on a side of the movable spool 204 adjacent to the push rod assembly 205, and has a rod cavity. The time delay water chamber 203 is located on a side of the movable spool 204 facing away from the push rod assembly 205. The inner cavity is a rodless cavity. As shown in FIGS. 2 and 3, when the water is not flushed, the movable valve body 204 separates the inner cavity of the valve body 202 from the chamber communicating with the water outlet 214, that is, the water passing chamber 208, and communicates with the water inlet 212. The chamber is the inlet chamber 209 and the time delay chamber 203 is located within the inlet chamber 209.

The other end of the pusher assembly 205 is located outside of the wall of the water passage 208, preferably within the spring mounting cavity. The other end of the push rod assembly 205 is adapted to abut against the flush switch 201 in the embodiment. When the flush switch is pressed, the other end of the push rod assembly 205 is driven to move the movable spool 204 to make the movable spool 204 is switched from the closed position to the open position during which the water in the delayed water chamber 203 is adapted to be expelled outwardly through the time delay groove 2032 so as not to obstruct the movement of the movable spool 204.

The resilient assembly 206 includes an outer spring 2061 and an inner spring 2062 mounted within a spring mounting cavity, the inner spring 2062 being disposed within the outer spring 2061 in this embodiment. The inner spring 2062 may also be referred to as a first elastic returning member. The first elastic returning member is adapted to drive the push rod assembly to move when the other end of the push rod assembly 205 is not pressed by the flushing switch 201 to drive the movable spool. 204 switches from the open position to the closed position. The first resilient return member is preferably sleeved over the pusher assembly 205 and is compressed when the pusher assembly is subjected to a pressing force. Thus, when the pressing force is canceled, the first elastic return member automatically drives the push rod assembly 205 to move, moving the movable spool 204 from the open position to the closed position, during the switching of the movable spool 204, by the water inlet 212 The water entering the inlet chamber 209 is adapted to enter the rodless chamber through the time delay groove 2032, assisting the first resilient return member to urge the movable spool 204 to move to the closed position. By properly designing the opening degree of the delay groove 2032, the movable spool 204 can be controlled to return to the closed position at a preset time. Preferably, one end of the inner spring 2062 abuts or connects with the push rod assembly 205, and the other end abuts with a corresponding limiting member in the valve chamber.

As shown in FIGS. 2 and 3, preferably, one end of the outer spring 2061 is abutted or connected to the flush switch 201, and the other end abuts against a corresponding limiting member in the valve chamber. By pressing the outer spring 2061 against the flush switch 201, the flush switch 201 can automatically return to the position without receiving a pressing force. As can be seen from the above, the push rod assembly 205 is delayed in returning due to the action of the inner spring 2062 and the water pressure. According to actual needs, the elastic component 206 can be appropriately deformed, and only needs to satisfy the above functions.

In the flushing state, when the flushing switch is pressed, the push rod assembly 205 moves in the direction in which the water chamber 203 is delayed, and the movable valve core 204 is moved along the inner wall of the time delay water chamber 203 to connect the water outlet 214 with the water inlet 212. And the water inlet 212 is used to communicate with external tap water. At this time, when the static pressure in the water inlet chamber 209 is released, the pressure in the valve body 202 is equal to the atmospheric pressure, and the water pressure potential energy generated by the daily tap water is converted into flushing kinetic energy, which instantaneously forms a flushing water flow and generates supercharging. Impulse, to achieve pressurized flushing, more powerful flushing, can effectively save flushing water. When the flush switch 201 is released, the inner spring 2062 rebounds to cause the movable spool 204 to move toward the direction in which the flush switch 201 is located, and the movable spool 204 moves toward the flush switch 201 under the resilience of the inner spring 2062. At this time, the water pressure in the delay water chamber 203 is small, and the water in the water inlet chamber 209 enters the rodless cavity of the delay water chamber 203 through the delay groove 2032, and helps the movable spool 204 to the flush switch. 201 is close. By controlling the elastic force of the elastic component 206 and the opening degree of the delay groove 2032, the time during which the water passing chamber 208 communicates with the water inlet chamber 209 can be controlled, that is, the communication time between the water inlet 212 and the water outlet 214 is controlled, for example, In the range of 2 to 15 seconds, the automatic delay is turned off, so as to control the amount of flushing water. Through the principle of time-delay closure, the on-demand distribution of flushing water volume is realized, the amount of flushing water is focused, and the flushing kinetic energy of the water volume is focused to further achieve the purpose of flushing and super-saving water.

In the non-flushing state, after the active spool 204 is returned to the closed position, the water passage 208 is disconnected from the inlet chamber 209, and the water passage is blocked, that is, the outlet 214 is no longer discharged to achieve a sealing effect.

It should be noted that although the valve cavity in this embodiment includes a spring mounting cavity, an outer spring 2061, and a flush switch 201. It will be appreciated that in other embodiments, the spring mounting cavity, outer spring 2061 and flush switch 201 may be omitted and the objects of the invention may be achieved.

Preferably, the time delay water chamber 203 has a cylindrical shape with one end closed and the other end forming the valve port. The water inlet hole 2031 includes at least one arcuate hole disposed near the valve port. The time delay groove 2032 includes at least one through hole extending from the water inlet hole 2031 to the closed end of the time delay water chamber 203. Of course, in other embodiments, the water inlet aperture 2031 and the time delay recess 2032 can have other configurations. For example, the time delay groove 2032 can be a discretely arranged through hole.

Preferably, the second sealing member 250 is disposed at the valve port, and the movable valve core 204 abuts against the second sealing member 250 when the movable valve core 204 is in the closed position, so that the sealing is closed, and the water inlet chamber 209 and the water passing chamber 208 are reliably disconnected. Without seeping water.

A preferred embodiment of the valve body 202 is shown in Figures 2 and 3. As shown in the figure, the valve body 202 is further provided with a threaded sleeve 207, and the inner wall of the valve body 202 is provided with a flange 2021. One end of the threaded sleeve 207 is connected with the valve body 202, and the other end is connected. The time delay water chamber 203 is pressed against the flange 2021. The push rod assembly 205 is coupled to the movable valve core 204 through the threaded sleeve 207 , and a first seal 240 is disposed between the threaded sleeve 207 and the push rod assembly 205 . The pusher assembly 205 is slidably engaged with the threaded sleeve 207, and the first seal 240 is slidably engaged with the pusher assembly 205. The second sealing member 250 is disposed between the threaded sleeve 207 and the time delay water chamber 203. The first sealing member 240 and the second sealing member 250 correspond to the water passing chamber 208, and the water passing chamber 208 is The water outlet 214 is connected.

By connecting the screw sleeve 207 to the valve body 202, the time delay water chamber 203 is pressed against the flange 2021 of the valve body 202, which is not only cleverly designed, but also provides the first sealing member 240 and the second sealing member 250 to push A sealing connection is formed between the rod assembly 205 and the threaded sleeve 207, between the time delay water chamber 203 and the nut sleeve 207 and the movable valve core 204 to avoid water leakage. The water passing chamber 208 between the first sealing member 240 and the second sealing member 250 communicates with the water outlet 214. When flushing, the movable valve core 204 moves and disengages from the second sealing member 250, so that the water passing chamber 208 and the inlet The water chamber 209 is connected to realize a flushing operation; when not flushing, the movable spool 204 abuts against the second sealing member 250 to disconnect the water passing chamber 208 from the water inlet chamber 209.

Preferably, a connecting screw 2042 is disposed at one end of the push rod assembly, and the movable valve core 204 includes a third sealing member 2041 and a pressing sleeve 2043. The connecting screw 2042 and the pressing sleeve 2043 are, for example, screwed, and the pressing sleeve 2043 is adapted to abut against the second sealing member 250. The maximum outer diameter of the pressing sleeve 2043 is preferably smaller than the inner diameter of the time delay water chamber 203 and Greater than the diameter of the valve port. The third sealing member 2041 is sleeved in the positioning groove on the outer circumference of the pressing sleeve 2043, and the third sealing member 2041 can be slidably engaged with the inner cavity wall of the time delay water chamber 203. The end face of the compression sleeve 2043 is in sealing engagement with the second seal 250 when the movable spool 204 is in the closed position. The third sealing member 2041 can move up or down along the inner cavity wall of the time delay water chamber 203 under the action of the elastic assembly 206, the water pressure and the flush switch 201, and guides the movement of the movable valve body 204. The pressure sleeve 2043 and the second seal 250 are reliably pressed or disengaged to realize the function of opening or closing the valve port. Further, under the action of the third sealing member 2041, the inner cavity of the time delay water chamber 203 is divided into a rodless cavity and a rod cavity. The water can enter the delay water chamber 203 at the lower end of the third sealing member 2041 from the delay groove 2032. The opening degree of the delay groove 2032 affects the speed of water entering and exiting, thereby affecting the water received by the movable valve body 204. The magnitude of the pressure affects the length of time that the movable spool 204 closes the passage, thereby affecting the flushing time and controlling the flushing amount. Preferably, the outer peripheral contour of the third seal 2041 is frustoconical in close contact with the inner cavity wall of the time delay water chamber 203. Thus, the third seal member 2041 can maintain close contact with the inner wall of the delay water chamber 203 even if a slight loss occurs over a long period of use. It should be noted that in some embodiments, the connecting screw 2042 can be considered a part of the movable spool 204, and the connecting screw 2042 is screwed together with the push rod assembly 205.

As shown in FIG. 3 and FIG. 4, in the embodiment, the movable valve core 204 further includes a fourth sealing member 2044 in addition to the third sealing member 2041 and the pressing sleeve 2043, and the pressing sleeve 2043. An intermediate position is provided with a stepped hole, and an end of the connecting screw 2042 near the nut is provided with an annular groove, and the fourth sealing member 2044 is sleeved in the annular groove, and the connecting screw 2042 is away from the nut. One end is connected to the other components of the push rod assembly 205 through the stepped bore. The connecting screw 2042 is clamped in the stepped hole by the fourth sealing member 2044. At this time, the connecting screw 2042 does not need to be screwed to the pressing sleeve 2043, and the connecting screw 2042 can be realized by the fourth sealing member 2044 which is tightly matched with the two. Synchronous movement with the axial direction of the compression sleeve 2043. In more detail, when the push rod assembly 205 drives the connecting screw 2042 to move axially, the radial gap between the connecting screw 2042 and the pressing sleeve 2043 is eliminated by the fourth sealing member 2044, while the third sealing member 2041 and the pressing sleeve 2043 The tight fit ensures the reliability of the axial linkage of the components of the movable spool 204 with the push rod assembly 205, and the sealing performance is good and the installation is convenient and quick.

Further, a fifth sealing member 260 is disposed between the time delay water chamber 203 and the flange 2021 of the valve body 202 to prevent water leakage at the joint to ensure a sealing effect. The valve body 202 achieves a sealing effect by the respective seals, the water pressure in the inlet chamber 209, and the gravity of the movable spool 204.

In the present embodiment, a preferred embodiment of the valve body is shown. The valve body includes a first cylinder 2022, a second cylinder 2023, a connecting cylinder 2024, and the above-described screw sleeve 207. The first cylinder 2022 is screwed to the connecting cylinder 2024. The connecting cylinder 2024 is mounted with a threaded sleeve 207. For example, the connecting cylinder 2024 has a flange extending into the valve chamber. The flange is formed by a step on the threaded sleeve 207 and a retaining spring 270 mounted on the threaded sleeve 207. The retaining ring (not labeled in the figure) is pressed against the screw sleeve 207. The nut sleeve 207 is screwed to the second cylinder 2023. In this embodiment, the first cylinder 2022 is screwed to the connecting cylinder 2024, and the connecting cylinder 2024 is pressed against the screw sleeve 207 by the retaining spring 270 and the retaining ring, and the screw sleeve 207 is connected with the second cylinder 2023 to facilitate the installation of the valve. The components in the body 202 ensure that the assembly is in place and the manufacturing is easier.

Preferably, the spring mounting cavity is defined primarily by the space enclosed by the first barrel 2022, the pusher assembly 205, the nut 207, and the connecting barrel 2024. In this embodiment, the other end of the outer spring 2061 abuts on the connecting cylinder 2024, and the other end of the inner spring 2062 abuts on the retaining spring 270. The water inlet 212 and the water outlet 214 are formed on the second cylinder 2023. The inner wall of the second cylinder 2023 has the above-described inwardly projecting flange 2021. The position of the time-delay water chamber 203 corresponding to the valve port is provided with an outwardly turned flange (not labeled), and the flange is clamped between the flange 2021 and the end of the nut 207, thereby delaying water The cavity 203 is fixed inside the valve chamber. The water passing chamber 208 mainly includes a first space defined between the push rod assembly 205 and the threaded sleeve 207 and a second space defined between the threaded sleeve 207 and the second cylindrical body 2023. The threaded sleeve 207 is provided with a first space. A water outlet hole (not labeled in the figure) in which the space communicates with the second space. Of course, according to actual needs, other methods may be used. For example, the first cylinder 2022 and the second cylinder 2023 are directly screwed with the screw sleeve 207, respectively, without providing the connecting cylinder 2024.

As shown in FIGS. 2 and 3, in one embodiment, the threaded sleeve 207 includes a sleeve 2071 and an inner sleeve 2072 that are threaded. The outer side of the outer casing 2071 is screwed to the second cylinder, and a sixth seal for preventing leakage is installed between the outer casing 2071 and the second cylinder 2023. The flange of the connecting cylinder 2024 is specifically limited by a step on the outer casing 2071 and a retaining spring 270 mounted on the outer casing 2071. The fifth seal 260 is clamped between the flange and the flange 2021. A recess for receiving the first seal 240 is formed between the outer sleeve 2071 and the inner sleeve 2072 such that the first seal 240 is held by the outer sleeve 2071 and the inner sleeve 2072. The pusher assembly 205 is coupled to the movable spool 204 after passing through the outer casing 2071, the first seal 240, and the valve port in sequence. One end of the inner sleeve 2072 away from the first sealing member 240 is pressed against the flange of the time delay water chamber 203, and the delay water chamber 203 and the inner sleeve 2072 are formed to receive the second sealing member. The recess of 250 causes the second seal 250 to be clamped between the end of the inner sleeve 2072 and the flange of the time delay water chamber 203. The water outlet hole is formed in the side wall of the inner sleeve 2072. The water can enter the inner cavity of the inner sleeve 2072 through the central hole of the second sealing member 250, and then enter the inner sleeve 2072 through the water outlet hole on the side wall of the inner sleeve 2072. Between the second cylinder 2023 and the second cylinder 2023, the water outlet 214 flows out. The split sleeve 207 is more convenient to machine and simpler to assemble with other parts. Of course, the screw sleeve 207 can be appropriately deformed according to actual needs, as long as the above functions can be satisfied.

Referring to Figures 4-6, a flushing mechanism 20 is illustrated that includes a three-way valve 60 and two of the aforementioned flush valves. The two flush valves are respectively a first valve body 210 and a second valve body 220. The two flush valves may share a flush switch, or may have separate flush switches. In addition, the water inlet of the first valve body 210 may also be referred to as a first water inlet 212a, and the water outlet of the first valve body 210 may also be referred to as a first water outlet 214a, and the water inlet of the second valve body 220 may also be referred to as a water inlet. The second water inlet 212b and the water outlet of the second valve body 220 may also be referred to as a second water outlet 214b. The water inlet of the three-way valve 60 is used to communicate with the water inlet pipe 50. One water outlet of the three-way valve 60 communicates with the water inlet 212a of the first valve body 210, and the other water outlet of the three-way valve 60 The water inlet 212b of the second valve body 220 is in communication, the water outlet 214a of the first valve body 210 is used to connect the first flush water pipe 30, and the water outlet 214b of the second valve body 220 is used to connect the second flush water pipe 40. In this embodiment, the flush switch 201 of the first valve body 210 and the flush switch 201 of the second valve body 220 are integrally connected to form a main switch 230. Of course, in other embodiments, the flushing switches of the first valve body 210 and the second valve body 220 can be two separate switches. The first valve body 210 and the second valve body 220 are communicated with the water inlet pipe 50 through the three-way valve 60. On the one hand, the first valve body 210 and the second valve body 220 share a water inlet pipe 50 into the water, and on the other hand, The first valve body 210 and the second valve body 220 are connected together to form a whole body, and the flushing switch 201 of the first valve body 210 is connected with the flushing switch 201 of the second valve body 220 to form a main switch 230. The switch 230 controls the water inlet and outlet of the first valve body 210 and the second valve body 220 at the same time.

After the main switch 230 is pressed, the tap water in the inlet pipe 50 is directly distributed to the first flush pipe 30 and the second flush pipe 40 via the first valve body 210 and the second valve body 220, respectively, and the washing surface of the toilet can be respectively The sewage channel 110 is flushed to avoid the flushing pressure and the loss of the flushing kinetic energy, and the flushing mechanism 20 is advantageous for pressurizing the flushing water pressure, and distributing a proper amount of water to the washing surface of the toilet, by distributing a large amount of flushing water and increasing The flushing water focuses the amount of water and the powerful flushing of the sewage channel, which makes the flushing channel more powerful and can achieve a strong flushing effect with a smaller water consumption.

The three-way valve 60 and the two flush valves of the flushing mechanism 20 can be disposed in the tank 70 of the toilet, instead of the flushing function of the water of the conventional toilet, the flushing mechanism 20 washes the toilet through the second flushing pipe 40. The clean surface 140 is flushed, and the sewage drain passage of the toilet is flushed through the first flush water pipe 30 and the spray port 130 of the toilet. The two flushing pipes are independent of each other, and the flushing water amount is quantitatively distributed through the first valve body 210 and the second valve body 220, and the washing surface 140 and the sewage channel 110 are pressurized according to the required water volume and flushing water to realize flushing and discharging of the toilet. Because there is a pressurized flushing water pressure, there is also a difference in the amount of water supplied by the washing surface 140 and the sewage channel 110, so that the toilet sewage pipe and the washing surface 140 can be flushed as needed, which not only saves water, but also achieves a good flushing and discharging effect.

Further, the opening degree of the delay groove 2032 of the first valve body 210 is smaller than the opening degree of the delay groove 2032 of the second valve body 220, so that the flushing amount of the first flushing pipe 30 is greater than the second The flushing amount of the flushing pipe 4 is, for example, a ratio of the flushing amount of the first flushing pipe 30 to the flushing amount of the second flushing pipe of 8:2 to 9:1. The opening degree of the delay groove is related to the water passing area of the delay groove, and can affect the closing speed of the movable valve body of the first valve body 210 and the second valve body 220, and the large opening water area is large, and the activity is large. The closing speed of the spool is fast, and the corresponding flushing amount is small. In this way, the flushing amount distribution of the washing surface 140 and the sewage passage is more reasonable, and the industrial problem that the flushing water surface is improperly distributed, the washing surface 140 is not clean, and the clogging and discharging are difficult is effectively solved. At the same time, the sum of the flushing water discharged by the first valve body 210 and the second valve body 220 (ie, the total amount of flushing water) can fully meet the water standard of the water-saving toilet.

The traditional toilet spray main flushing channel and the washing surface 140 share a water channel, and the water discharged from the water drain valve simultaneously flushes the "washing surface 140" and the "pipe" of the toilet by the water member, and the following restrictions exist: 1. When the amount of water and water is flushed on the washing surface 140 and the flushing pipe, the flushing water volume cannot be reasonably distributed, which makes the toilet flushing difficult; 2. The amount of water discharged through the water drain valve simultaneously faces the toilet "washing surface 140" and "pipe" The flushing is performed, and the flushing pressure is shunted, causing the flushing kinetic energy to be weakened or weakened. In addition, due to the unreasonable structure of the traditional toilet, when the user flushes the toilet, the dirty water in the cavity easily flows back or overflows to the water dividing hole, and is not easy to discharge. In the flushing mechanism 20 of the embodiment, the cleaning surface 140 and the sewage passage are not only flushed by two independent water pipes, the flushing pressure is concentrated, and the opening of the delay groove 2032 of the first valve body 210 is smaller than the second. The opening degree of the delay groove 2032 of the valve body 220, the flushing amount is reasonably quantified, and the problem that the dirty water in the cavity can be reversed to the water dividing hole can be solved, and the dirty water and the feces can be effectively discharged directly to the sewage outlet; During the flushing period, the dirt is discharged to the sewage channel 110, the cleaning surface 140 is easily cleaned, the solid or liquid waste deposited or adhered to the cleaning surface is removed, and the water is replaced by water to replace the water, so that the toilet can be kept relatively Clean.

Referring to Figures 5 and 6, an embodiment further provides a toilet, including the flush valve, or a flushing mechanism 20 as described. The toilet has the above flush valve or flushing mechanism 20, which is more powerful and can achieve a strong flushing effect with a smaller amount of water.

In one embodiment, a toilet includes a toilet bowl 10, two aforementioned flush valves, a first flush pipe 30, and a second flush pipe 40. The toilet bowl 10 is provided with a sewage passage 110, a flushing tank 120 and an injection port 130. The two flushing valves are respectively a first valve body 210 and a second valve body 220, and the first valve body 210 and the second valve body 220 are respectively provided with a water inlet (the first water inlet 212a of the first valve body 210) And the second water inlet 212b) of the second valve body 220 and the water outlet (the first water outlet 214a of the first valve body 210 and the second water outlet 214b of the second valve body 220), the first water inlet 212a and The second water inlet 212b is for communicating with the water inlet pipe 50; one end of the first flush water pipe 30 is in communication with the first water outlet 214a of the first valve body 210, and the other end is in communication with the injection port 130; One end of the flushing pipe 40 communicates with the second water outlet 214b of the second valve body 220, and the other end communicates with the flush water tank 120. A flush switch 201 is disposed on the first valve body 210 and the second valve body 220.

As shown in FIGS. 4 to 6, the flushing water tank 120 is disposed at the upper end of the inner wall of the toilet bowl 10, and the water in the second flushing pipe 40 is flushed out by the flushing port 122 of the flushing tank 120, and the injection port 130 faces the draining passage. At the inlet of 110, the water in the first flush water pipe 30 is flushed by the injection port 130 to flush the sewage passage, and the water flushing with the washing tank flushing surface 140 flows into the sewage passage 110. In one embodiment, the sewage channel 110, the flushing tank 120, the ejection opening 130, and the cleaning surface 140 on the toilet bowl 10 can be disposed at the same position as the conventional toilet. For example, the washing surface 140 is a toilet bowl. The inner wall of the 130, the flushing water tank 120 is disposed at the upper end of the washing surface 140, and the sewage passage 110 and the injection port 130 are disposed at the lower end of the washing surface 140.

The toilet adopts a double valve body independent flushing mechanism 20, so that the first flushing pipe 30 for flushing the sewage channel 110 and the second flushing pipe 40 for flushing the washing surface 140 are separated, and two independent flushing pipes are respectively The flushing water tank 120 is connected to the injection port 130. After the flushing switch 201 is pressed, the tap water in the water inlet pipe 50 is directly distributed to the first flushing pipe 30 and the second flushing pipe 40 via the first valve body 210 and the second valve body 220, respectively. It is sprayed from the flushing port 122 and the injection port 130, and flushes the washing surface 140 and the sewage channel to avoid the loss of the flushing pressure and the flushing kinetic energy, and the flushing is stronger, and the powerful water can be used with a small amount of water. Flushing effect.

As shown in FIGS. 4-6, further, the water-saving toilet further includes a three-way valve 60, and a water inlet of the three-way valve 60 is in communication with the water inlet pipe 50, and two of the three-way valve 60 The water outlets are respectively connected to the first water inlet 212a and the second water inlet 212b. The flushing switch 201 of the first valve body 210 and the flushing switch 201 of the second valve body 220 are integrally connected to form a main switch 230. The first valve body 210 and the second valve body 220 are communicated with the water inlet pipe 50 through the three-way valve 60. On the one hand, the first valve body 210 and the second valve body 220 share a water inlet pipe 50 into the water, and on the other hand, The first valve body 210 and the second valve body 220 are coupled together to form a unitary body. Moreover, the flushing switch 201 of the first valve body 210 is connected with the flushing switch 201 of the second valve body 220 to form a main switch 230. Through the main switch 230, the first valve body 210 and the second valve body 220 are simultaneously inserted. Water is controlled by on and off.

As shown in FIGS. 5 and 6, the toilet further includes a case 70, the case 70 and the toilet body 10 are of an integral structure, and the three-way valve 60 and two flush valves are disposed at In the box body 70, the box body 70 is provided with a first through hole through which the first flushing pipe 30 passes, a second through hole through which the second flushing pipe 40 passes, and a passage for the inlet pipe 50 to pass through. Third through hole. The tank 70 is not used for storing water, but is used for installing the flushing mechanism 20 (including the three-way valve 60 and the two flush valves) to form the flushing mechanism 20, the casing 70 and the toilet bowl 10. A whole, to ensure that the entire toilet structure is coherent and complete in shape. Optionally, the flushing mechanism 20 is fixed in the housing 70 by a fixing base 80. The first flushing pipe 30 of the toilet is connected to the injection port 130, and the second flushing pipe 40 is connected to the flushing port, and the ceramic jet flushing pipe is no longer arranged in the toilet, completely solving the leaking water leakage in the inner cavity triangle position, and also solving the temperature difference Large ceramic pipes are difficult to solve due to freezing and freezing of water. According to actual needs, the tank 70 may not be provided, and the flushing mechanism 20 and the water pipe connected thereto may be directly exposed to the wall of the toilet body 10, and the main switch 230 may be exposed only on the wall.

Referring to FIGS. 1-7, in the flushing state, when the flushing switch is pressed, each push rod assembly 205 moves in the direction in which the water chamber 203 is delayed, and the movable spools are moved along the inner wall of the time delay water chamber 203. The first water outlet 214a is communicated with the first water inlet 212a and the second water outlet 214b and the second water inlet 212b, and the first water inlet 212a and the second water inlet 212b are in communication with the water inlet pipe 50. At this time, at the moment when the static pressure in the inlet chamber 209 is released, the pressure in the valve body 202 of the first valve body 210 and the valve body 202 of the second valve body 220 is equal to the atmospheric pressure, and the water pressure potential generated by the daily tap water It is converted into flushing kinetic energy, which instantly forms a flushing water flow, generates supercharged impulse, and realizes the pressurized flushing of the toilet; at the same time, according to the delay principle, the two valve bodies respectively discharge the set on-demand water volume. When the flush switch is released, the elastic assembly 206 rebounds, and the flush switch 201 rebounds rapidly, so that the movable spool 204 of each flush valve (including the first valve body 210 and the second valve body 220) is generated toward the flush switch. In the direction in which the 201 is moved, the movable spool 204 moves toward the flush switch 201 under the resilience of the elastic member 206. At this time, the water pressure in the water chamber 203 is delayed, and the water in each inlet chamber 209 is water. Each of the movable valve cores 204 is assisted to approach the flush switch 201 by the delay groove 2032 entering the corresponding time delay water chamber 203. By controlling the elastic force of the elastic component 206 and the opening degree of the delay groove 2032, the time during which the water passing chamber 208 communicates with the water inlet chamber 209 can be controlled, preferably within a range of 2 to 15 seconds, automatically delaying the closing. . The delay closing time of the movable spool 204 of each flush valve is controlled by the design of the delay groove 2032, thereby achieving the purpose of controlling the amount of flush water. Through the principle of time-delay closure, the on-demand distribution of flushing water volume is realized, the flushing water volume is focused, and the flushing kinetic energy of the water volume is focused to achieve strong flushing, which achieves super-saving water, further solving the pain point of the toilet water incapability and drainage.

In the non-flushing state, the movable spool 204 is returned to the closed position, the water passage 208 is disconnected from the water inlet chamber 209, and the water passage is blocked, so that the first water outlet 214a or the second water outlet 214b is no longer discharged, and the sealing is achieved. effect.

The flushing new structure of the toilet is provided with a flushing mechanism 20 (including a three-way valve and two flushing valves) in the tank 70 of the toilet, instead of the flushing function of the water of the conventional toilet, the flushing mechanism 20 passes the second The flushing pipe 40 flushes the washing surface 140 of the toilet, and flushes the drain passage 110 of the toilet through the first flushing pipe 30 and the jetting port 130 of the toilet. The two flushing pipes are independent of each other, and the flushing water amount is quantitatively distributed through the first valve body 210 and the second valve body 220, and the washing surface 140 and the sewage channel 110 are pressurized according to the required water volume and flushing water to realize flushing and discharging of the toilet. There is a pressurized flushing water pressure, and there is also a difference in the amount of water supplied by the washing surface 140 and the sewage passage 110, and flushing the toilet sewage pipe and the washing surface 140 as needed to save water and achieve a good flushing and discharging effect.

Compared with the conventional toilet, the toilet does not need to store water through the water tank, and there is no need to install a flushing water channel in the toilet ceramic body, but the flushing mechanism 20 is used to make the first flushing pipe 30 and the second flushing pipe 40 the smoothest and shortest. The flushing distance is connected to the flushing tank 120 and the jetting port 130, and flushes and drains the toilet. The concentration of the water, the pressure of the flushing pressure of the flushing mechanism 20, and the water pipe connection distance are the shortest, and the washing surface 140 of the toilet is directly distributed. Appropriate amount of water flushing, a large amount of flushing water and a concentrated flushing water to the sewage channel 110 and a powerful flushing pipe, so that the siphon of the toilet occurs earlier than the ordinary toilet, effectively solving the water amount of the washing surface 140 and the sewage channel 110 and The industry's problems of inadequate flushing, poor flushing, clogging and drainage are not enough to ensure that the entire toilet can achieve a strong flushing effect with a small amount of water.

Optionally, the diameters of the first flush pipe 30 and the second flush pipe 40 are four-pipe, six-pipe or six-pipe to four-pipe. In this embodiment, a six-pipe is used, which can further increase the water pressure to ensure the flushing effect. After research and repeated test verification, the diameters of the first flushing pipe 30 and the second flushing pipe 40 are set within the range, which can generate greater flushing kinetic energy, and ensure that the washing surface 140 of the toilet is quickly washed and flushed more vigorously. Strong.

In one embodiment, as shown in FIG. 5, the flushing tank 120 is an annular open slot, and one end of the flushing tank 120 communicating with the second flushing pipe 40 is a high end, and the height of the flushing tank is from the high end along the second. The flushing direction of the flushing pipe 40 is gradually lowered to form a swirling water flow; when the water of the second flushing pipe 40 enters the flushing tank 120 of the structure by the second flushing pipe 40, a swirling water flow can be formed, and the toilet is directly washed. The net surface 140 is subjected to a swirling brush, which is more powerful and has a better effect.

In another embodiment, the flushing tank 120 is an annular passage, and a plurality of water passing holes are formed in the wall near the inner side of the toilet body 10. That is, when the water of the second flushing pipe 40 enters the flushing tank 120 of the structure from the flushing port, water flows out from the respective water passing holes to clean the washing surface, and the flushing tank 120 of the structure can prevent the dirt from entering the flushing tank 120. .

As shown in FIGS. 5 and 6, further, the sewage channel 110 is a siphon structure. That is, the structure of the toilet can be applied to a siphon type toilet, which has the advantages of good water saving effect, good flushing effect, small energy consumption, low noise and the like.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A flush valve, comprising: a valve body, a time delay water chamber, a movable valve core, a flushing switch, a push rod assembly and an elastic component capable of driving the push rod assembly to rebound, the time delay water chamber The movable valve core, the push rod assembly and the elastic component are all disposed in the valve body, and the valve body is provided with a water inlet and a water outlet, and one end of the flush switch is disposed in the valve body, and the other end is extended. Out of the valve body, one end of the movable valve core can be slidably engaged with the inner wall of the time delay water chamber, so that the water inlet and the water outlet are connected or disconnected, and the other end of the movable valve core is extended. a water chamber connected to one end of the push rod assembly, the other end of the push rod assembly being connected or abutting with the flushing switch, wherein the delayed water chamber is provided with an inlet water communicating with the inner chamber The hole has a delay groove formed on the inner wall of the delay water chamber.
The flush valve according to claim 1, wherein a valve sleeve is further disposed in the valve body, and a flange is disposed on an inner wall of the valve body, and one end of the screw sleeve and the valve body Connected, the other end presses the time delay water chamber on the flange, the push rod assembly is connected to the movable valve core through the screw sleeve, and the screw sleeve is arranged between the screw sleeve and the push rod assembly There is a first sealing member, a second sealing member is disposed between the threaded sleeve and the time delay water chamber body, and a water chamber is formed between the first sealing member and the second sealing member, and the water passing chamber is connected with the water outlet The movable valve core is in a sealing state with the second sealing member in a natural state, so that the water passing chamber is disconnected from the water inlet.
The flush valve according to claim 2, wherein the movable valve core comprises a third sealing member, a connecting screw and a pressing sleeve, one end of the connecting screw is connected to the push rod assembly, and the other end is pressed The third sealing member is sleeved on the pressing sleeve and can be slidably engaged with the inner wall of the time delay water chamber. In an natural state, the end surface of the pressing sleeve is sealingly matched with the second sealing member. .
The flush valve according to claim 3, wherein the movable valve core further comprises a fourth sealing member, the pressing sleeve is provided with a stepped hole, and the connecting screw is provided with a ring near one end of the nut a groove, the fourth sealing member is sleeved in the annular groove, and an end of the connecting screw away from the nut is connected to the push rod assembly through the stepped hole.
The flush valve according to claim 2, wherein the elastic component comprises an outer spring and an inner spring disposed in the outer spring, and one end of the outer spring abuts or connects with the flush switch, and the other end is The nut sleeve abuts, and one end of the inner spring abuts or connects with the push rod assembly, and the other end abuts the screw sleeve.
The flush valve according to any one of claims 2 to 5, wherein the valve body comprises a first cylinder, a second cylinder and a connecting cylinder, and the first cylinder and the connecting cylinder thread The connecting cylinder is pressed against the threaded sleeve by a snap spring, and the threaded sleeve is screwed to the second cylinder.
A flush valve according to claim 6 wherein said threaded sleeve includes a threaded outer casing and an inner sleeve, and said outer casing and said inner casing form a recess for receiving said first sealing member, said The push rod assembly is sequentially connected to the movable valve core through the outer sleeve and the first sealing member, and the outer side of the outer sleeve is screwed to the second cylindrical body, and the inner sleeve is pressed away from the first sealing member to the time delay water chamber. And a groove for accommodating the second sealing member is formed between the time delay water chamber and the inner sleeve.
A flush valve is characterized by comprising:

a valve body, a valve chamber is formed inside the valve body, and the valve body has a water inlet and a water outlet;

a water passage chamber formed in the valve chamber and communicating with the water outlet;

a time delay water chamber located in the valve cavity, the inner cavity of the time delay water chamber is adjacent to the water passage chamber and a valve port is formed therebetween; the wall of the time delay water chamber The body is provided with a water inlet hole and a delay groove, and the water inlet communicates with the inner cavity of the time delay water chamber through the water inlet hole and the delay groove;

a movable spool that is slidably engaged with a lumen wall of the time delay water chamber; the movable spool has a closed position that blocks the valve port to disconnect the water inlet and the water outlet And an open position in which the valve port is opened to communicate the inlet of the water inlet and the water outlet;

a push rod assembly, one end of the push rod assembly is connected to the movable valve core through a wall body of the water passage chamber and the valve port, and the inner cavity of the time delay water chamber is divided into a rod cavity and a rodless cavity; the other end of the push rod assembly is located outside the wall of the water passage chamber, and the other end of the push rod assembly is adapted to drive the movable spool to move, so that The movable spool is switched from the closed position to the open position, during which the water in the rodless chamber is adapted to be discharged outward through the delay groove;

a first elastic returning member adapted to drive movement of the push rod assembly when the other end of the push rod assembly is unstressed to drive the movable spool to switch from the open position to the closed position, where During the switching, water entering by the water inlet is adapted to enter the rodless cavity through the time delay groove.
The flush valve according to claim 8, wherein the time delay water chamber has a cylindrical shape with one end closed and the other end forms the valve port; the water inlet hole includes at least one valve port adjacent to the valve port An arcuate hole is provided, the retarding groove including at least one through hole extending axially from the water inlet hole to the closed end of the time delay water cavity.
The flush valve of claim 8 wherein said valve port is provided with a second seal, said movable spool being abutted against said second seal when in said closed position.
The flush valve according to claim 10, wherein one end of the push rod assembly is provided with a connecting screw; the movable valve core comprises: a pressing sleeve connected to the connecting screw, and the pressing The sleeve is adapted to abut against the second sealing member; the third sealing member is sleeved in the positioning groove on the outer circumference of the pressing sleeve, and the third sealing member and the inner cavity of the time delay water chamber The wall is slidingly fitted; the outer peripheral contour of the third seal is frustoconical.
A flush valve according to claim 10, wherein

The valve chamber is further formed with a spring mounting cavity, the other end of the push rod assembly is located in the spring mounting cavity, and the first elastic returning member is located in the spring mounting cavity and is fitted on the push rod assembly ;

The flush valve further includes a flush switch, one end of the flush switch being located in the spring mounting cavity and adapted to press the other end of the push rod assembly, the other end of the flush switch extending The spring mounting cavity is adapted to be pressurized; a second resilient return member for resetting the flush switch is also mounted within the spring mounting cavity.
A flush valve according to claim 12, wherein

The valve body includes: a first cylinder body, a second cylinder body, a connecting cylinder body and a screw sleeve; the first cylinder body is screwed with the connecting cylinder body, and the screw sleeve is screwed with the second cylinder body, The connecting cylinder is mounted with the screw sleeve;

The push rod assembly is axially movably threaded through the threaded sleeve, and the threaded sleeve is further mounted with a first sealing member that is movably engaged with the push rod assembly;

The spring mounting cavity is defined by the first cylinder, the push rod assembly, the screw sleeve and the connecting cylinder;

The water inlet and the water outlet are formed on the second cylinder, the inner wall of the second cylinder has an inwardly extending flange; the time delay water chamber corresponds to the position of the valve port Provided with a flange, the flange being clamped between the flange and the end of the nut;

The water passing chamber includes a first space defined between the push rod assembly and the screw sleeve, and a second space defined between the screw sleeve and the second barrel, the screw sleeve A water outlet hole is provided to communicate the first space with the second space.
A flush valve according to claim 13 wherein:

The threaded sleeve includes a threaded outer sleeve and an inner sleeve; the outer sleeve is screwed to the second cylindrical body, and a sixth sealing member is mounted between the outer sleeve and the second cylindrical body;

The connecting cylinder has a flange extending into the valve cavity, the flange being limited by a step on the outer casing and a retaining spring mounted on the outer casing;

The first sealing member is clamped and fixed by the outer sleeve and the inner sleeve;

The end of the inner sleeve is pressed against the flange, and the second seal is clamped between the end of the inner sleeve and the flange;

A fifth seal is sandwiched between the flange and the flange.
A toilet comprising the flush valve of any one of claims 1 to 7, or the flush valve of any one of claims 8 to 14.
The toilet according to claim 15, comprising a toilet bowl, two flushing valves, a first flushing pipe and a second flushing pipe; the flushing body is provided with a flushing tank and an injection port; The two flushing valves are respectively a first valve body and a second valve body, and the water inlet on the first valve body and the water inlet of the second valve body are used to communicate with the water inlet pipe; One end of the flushing pipe communicates with the water outlet of the first valve body, and the other end communicates with the injection port, one end of the second flush pipe communicates with the water outlet of the second valve body, and the other end is The flushing tank is connected; the opening of the delay groove of the first valve body is smaller than the opening of the delay groove of the second valve body.
The toilet according to claim 16, further comprising a three-way valve, wherein a water inlet of the three-way valve is in communication with the water inlet pipe, and two water outlets of the three-way valve are respectively associated with the first The water inlet of the valve body and the water inlet of the second valve body are connected; the flushing switch of the first valve body and the flushing switch of the second valve body are integrally connected to form a main switch.
The toilet according to claim 17, further comprising a case, said case being integral with said toilet body; said three-way valve and said two flush valves being disposed in said case In the body, the box body is provided with a first through hole through which the first flushing pipe passes, a second through hole through which the second flushing pipe passes, and a third through hole through which the inlet pipe passes.
A flushing mechanism comprising a three-way valve, and two flushing valves according to any one of claims 1 to 7 or any one of claims 8 to 14, two The flush valve is respectively a first valve body and a second valve body, and the water inlet of the three-way valve is used for communicating with the water inlet pipe, and one water outlet of the three-way valve and the water inlet of the first valve body Connected, another water outlet of the three-way valve communicates with the water inlet of the second valve body, the water outlet of the first valve body is used for connecting the first flush water pipe, and the water outlet of the second valve body is used for Connect the second flushing pipe.
The flushing mechanism according to claim 19, wherein the opening of the delay groove of the first valve body is smaller than the opening of the delay groove of the second valve body, so that the first The flushing amount of the flushing pipe is greater than the flushing amount of the second flushing pipe.
A water-saving toilet, comprising: a toilet bowl, a flushing mechanism, a first flushing pipe and a second flushing pipe, wherein the toilet body is provided with a flushing tank and an injection port, and the flushing mechanism comprises a valve body and a second valve body, the first valve body is provided with a first water inlet and a first water outlet, and the second valve body is provided with a second water inlet and a second water outlet, a water inlet and a second water inlet for communicating with the water inlet pipe, one end of the first flush water pipe is connected to the first water outlet, the other end is connected to the injection port, and one end of the second flush pipe is connected with the second water pipe The water outlet is connected, the other end is in communication with the flushing water tank, and a flushing switch is arranged on the first valve body and the second valve body.
The water-saving toilet according to claim 21, further comprising a three-way valve, wherein the water inlet of the three-way valve is in communication with the water inlet pipe, and the two water outlets of the three-way valve are respectively the first The water inlet and the second water inlet are connected, and the flushing switch of the first valve body and the flushing switch of the second valve body are integrally connected to form a main switch.
The water-saving toilet according to claim 21, further comprising a box body, the box body and the toilet bowl body being integrally formed, the flushing mechanism being disposed in the box body, the box body There is a first through hole through which the first flush pipe passes, a second through hole through which the second flush pipe passes, and a third through hole through which the inlet pipe passes.
The water-saving toilet according to claim 21, wherein the diameters of the first flush pipe and the second flush pipe are four-pipe, six-pipe or six-pipe to four-pipe.
The water-saving toilet according to any one of claims 21 to 24, wherein the first valve body and the second valve body both include a valve body, a time delay water chamber, a movable valve core, a push rod assembly, and An elastic component capable of driving the push rod assembly to rebound, wherein the time delay water chamber, the movable valve core, the push rod assembly and the elastic assembly are disposed in the valve body, the first water inlet and the first water outlet or The second water inlet and the second water outlet are disposed on the valve body, and one end of the flush switch is disposed in the valve body, and the other end protrudes from the valve body, the time delay water chamber The water inlet hole communicating with the inner cavity is provided on the body, and the inner wall of the delay water cavity body is provided with a delay groove, and one end of the movable valve core can slide and cooperate with the inner wall of the time delay water cavity body, so that The first water inlet is connected to or disconnected from the first water outlet or the second water inlet and the second water outlet, and the other end of the movable valve core protrudes from the delay water chamber and the push rod assembly One end of the push rod assembly is connected or abutted to the flush switch.
The water-saving toilet according to claim 25, wherein an opening degree of the delay groove of the first valve body is smaller than an opening degree of the delay groove of the second valve body, so that the first The ratio of the flushing amount of the flushing pipe to the flushing amount of the second flushing water is 8:2 to 9:1.
The water-saving toilet according to claim 25, wherein a valve sleeve is further disposed in the valve body, and a flange is disposed on an inner wall of the valve body, and one end of the nut sleeve and the valve body are Connected, the other end presses the time delay water chamber on the flange of the valve body, the push rod assembly is connected to the movable valve core through the screw sleeve, and between the screw sleeve and the push rod assembly a first sealing member is disposed, and a second sealing member is disposed between the threaded sleeve and the time delay water chamber body, and a water chamber is formed between the first sealing member and the second sealing member, the water passing chamber and the first sealing member The water outlet or the second water outlet is in communication, and the movable valve core is in a sealing state with the second sealing member in a natural state, so that the water passing chamber is disconnected from the first water inlet or the second water inlet.
The water-saving toilet according to claim 25, wherein the movable valve core comprises a third sealing member, a connecting screw and a pressing sleeve, and the third sealing member is sleeved on the pressing sleeve and can Slidingly engaging with the inner wall of the time delay water chamber, the connecting screw is provided with a fourth sealing member near one end of the nut, and the other end is connected to the push rod assembly through the pressing sleeve, and the end surface of the pressing sleeve can be combined with The second seal is sealingly fitted.
The water-saving toilet according to claim 27, wherein the elastic component comprises an outer spring and an inner spring disposed in the outer spring, one end of the outer spring abuts on the flush switch, and the other end abuts One end of the inner spring abuts or connects with the push rod assembly, and the other end abuts on the screw sleeve.
The water-saving toilet according to any one of claims 21 to 25, wherein the flushing tank is an annular open groove, and one end of the flushing water tank communicating with the second flushing water pipe is a high end, and the flushing tank is The height is gradually lowered by the high end along the flushing direction of the second flush pipe to form a swirling water flow; or the flushing water tank is an annular passage, and the passage is provided with a plurality of water passing through the wall surface inside the toilet bowl hole.