CN110056055B - Water inlet valve and toilet bowl flushing system with same - Google Patents
Water inlet valve and toilet bowl flushing system with same Download PDFInfo
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- CN110056055B CN110056055B CN201910425609.6A CN201910425609A CN110056055B CN 110056055 B CN110056055 B CN 110056055B CN 201910425609 A CN201910425609 A CN 201910425609A CN 110056055 B CN110056055 B CN 110056055B
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- valve
- cavity
- water inlet
- water
- lever
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/32—Arrangement of inlet valves
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/33—Adaptations or arrangements of floats
Abstract
The invention discloses a water inlet valve and a toilet flushing system with the water inlet valve, wherein the water inlet valve comprises a valve body, the valve body is provided with a water inlet cavity, a first water outlet cavity and a second water outlet cavity, the first water outlet cavity is communicated with the water inlet cavity through a first valve port part, and the second water outlet cavity is communicated with the water inlet cavity through a second valve port part; a first switch component and a second switch component are arranged in the valve body, and the first switch component is used for opening or closing the first valve opening part so as to conduct or cut off a flow path between the water inlet cavity and the first water outlet cavity; the second switch component is used for opening or closing the second valve port part so as to conduct or cut off a flow path between the water inlet cavity and the second water outlet cavity. The structure of the water inlet valve can ensure that the waterway switching of the closestool flushing system is smooth and consistent, and the difference of the water discharge of the closestool at each time is prevented from being larger.
Description
Technical Field
The invention relates to the technical field of toilets, in particular to a water inlet valve and a toilet flushing system with the water inlet valve.
Background
The water inlet valve for the existing closestool is provided with a water inlet and a water outlet, for the closestool with an injection system, the water inlet mode of the injection system and the water inlet mode of a water tank are solved, a waterway switching mechanism is usually added at the water outlet of the water inlet valve, but in actual application, the problems of unsmooth waterway switching, inconsistent switching points and the like often occur, and the difference of the water discharge quantity of the closestool at each time is large.
In view of this, how to smoothly switch the waterway from the outlet of the toilet inlet valve to the water tank and the waterway to the injection system is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a water inlet valve and a closestool flushing system with the water inlet valve.
In order to solve the technical problem, the invention provides a water inlet valve for a toilet bowl flushing system, which comprises a valve body, wherein the valve body is provided with a water inlet cavity, a first water outlet cavity and a second water outlet cavity, the first water outlet cavity is communicated with the water inlet cavity through a first valve port part, and the second water outlet cavity is communicated with the water inlet cavity through a second valve port part;
a first switch component and a second switch component are arranged in the valve body, and the first switch component is used for opening or closing the first valve opening part so as to conduct or cut off a flow path between the water inlet cavity and the first water outlet cavity; the second switch component is used for opening or closing the second valve port part so as to conduct or cut off a flow path between the water inlet cavity and the second water outlet cavity.
The water inlet valve provided by the invention is provided with the water inlet cavity and the two water outlet cavities, whether the flow path between the water inlet cavity and the two water outlet cavities is communicated or not is controlled by the two switch assemblies, the two switch assemblies are relatively independent, and the water inlet valve is applied to a toilet bowl flushing system, so that the smoothness of water path switching and the consistency of switching points in the toilet bowl flushing system can be ensured, and the large difference of water discharge of a toilet bowl at each time is effectively prevented.
The water inlet valve is characterized in that the first switch assembly and the second switch assembly are pilot switch membrane groups; the first control assembly is used for controlling the diaphragm of the first switch assembly to act so as to open or close the first valve port part, and the second control assembly is used for controlling the diaphragm of the second switch assembly to act so as to open or close the second valve port part.
The water inlet valve is characterized in that the second switch component is provided with a second back pressure cavity communicated with the water inlet cavity, the valve body is further provided with a second pressure relief opening communicated with the second back pressure cavity, and the second control component controls the action of the diaphragm of the second switch component by controlling the opening and closing of the second pressure relief opening.
The water inlet valve comprises a water inlet valve body, a water outlet valve body and a water outlet valve body, wherein the water inlet valve body is provided with a water inlet pipe and a water outlet pipe;
the pressing sleeve is inserted into the delay sleeve assembly in a sliding mode, a delay cavity is formed between the pressing sleeve and the delay sleeve assembly, a water outlet hole is formed in the bottom of the delay cavity, a delay hole is formed in the peripheral wall of the delay cavity, the delay floating barrel is arranged in the delay cavity in a sliding mode so as to open and close the water outlet hole, and a reset elastic piece is further arranged between the pressing sleeve and the delay sleeve assembly;
the second control assembly further comprises a second lever, the first end of the second lever is connected with the pressing sleeve, the second end of the second lever is hinged to the valve body, a second plugging portion used for plugging the second pressure relief opening is arranged at the second end of the second lever, and the second control assembly is configured into: the second lever is in a balanced state, and the second blocking part closes the second pressure relief opening.
According to the water inlet valve, the axial direction of the diaphragm of the second switch assembly is perpendicular to the axial direction of the diaphragm of the first switch assembly, and the axial direction of the diaphragm of the second switch assembly is parallel to the axial direction of the water inlet cavity.
The water inlet valve comprises a first control assembly and a second control assembly, wherein the first control assembly comprises a first lever, a first floating barrel and a guide rod, the first end of the first lever is connected with the upper end of the guide rod, the second end of the first lever is hinged with the valve body, and the second end of the first lever is provided with a first blocking part for blocking a first pressure relief opening;
the valve body fixedly connected with support, the second flotation tank with the support is articulated, the lower extreme of guide arm slides the cartridge in the support, just the guide arm with be equipped with the elastic component that resets between the support, the guide arm with be equipped with the block structure of mutually supporting between the second flotation tank to specifically configure into:
the guide rod is pressed downwards, and the guide rod and the second floating barrel can be clamped through the clamping structure, so that the second blocking part opens the second pressure relief opening;
the second floating barrel can also rotate relative to the bracket to release the clamping state of the second floating barrel and the guide rod;
the guide rod and the second floating barrel are in a non-clamping state, and the second pressure relief opening is closed by the second plugging portion.
According to the water inlet valve, the axial direction of the diaphragm of the second switch assembly is parallel to the axial direction of the diaphragm of the first switch assembly, and the axial direction of the diaphragm of the second switch assembly is perpendicular to the axial direction of the water inlet cavity.
According to the water inlet valve, the first switch component is provided with a first back pressure cavity communicated with the water inlet cavity, the valve body is further provided with a first pressure relief opening communicated with the first back pressure cavity, and the first control component controls the action of the diaphragm of the first switch component by controlling the opening and closing of the first pressure relief opening.
The water inlet valve comprises a floating barrel part and a first lever, wherein the first end of the first lever is connected with the floating barrel part, the second end of the first lever is hinged with the valve body, and the second end of the first lever is provided with a first blocking part for blocking the first pressure relief opening and is configured to: the first lever is in a balanced state, and the first blocking part closes the first pressure relief opening.
The invention also provides a toilet flushing system, which comprises a water tank, an injection system and a water inlet valve arranged in the water tank, wherein the water inlet valve is any one of the water inlet valves, the first valve port part of the water inlet valve is communicated with the water tank, and the second valve port part of the water inlet valve is communicated with an inlet of the injection system.
As the above-mentioned inlet valve has the technical effects, the toilet flushing system comprising the inlet valve also has corresponding technical effects, and the discussion is not repeated here.
Drawings
FIG. 1 is a schematic diagram of a toilet flushing system according to a first embodiment;
FIG. 2 is a schematic diagram of the structure of the inlet valve and the ejector system of FIG. 1;
FIG. 3 is a schematic view of a first embodiment of a fill valve according to the present invention;
FIG. 4 is a schematic view of the inlet valve of FIG. 3 at another angle;
FIG. 5 is an exploded schematic view of the fill valve of FIG. 3;
FIG. 6 is a schematic cross-sectional view of the fill valve of FIG. 3;
FIG. 7 is an enlarged, fragmentary schematic view of the second control assembly of FIG. 6;
FIG. 8 is a schematic cross-sectional view of the fill valve of FIG. 3 at an alternative angle;
FIG. 9 is a schematic cross-sectional view of yet another angle of the fill valve of FIG. 3;
FIG. 10 is a schematic view of a second embodiment of the inlet valve of the present invention;
FIG. 11 is an exploded view of the fill valve of FIG. 10;
FIG. 12 is a schematic cross-sectional view of the fill valve of FIG. 10;
FIG. 13 is a schematic cross-sectional view of the fill valve of FIG. 10 at an alternative angle;
FIG. 14 is a schematic cross-sectional view of yet another angle of the fill valve of FIG. 10.
Wherein, the one-to-one correspondence between component names and reference numbers in fig. 1 to 14 is as follows:
the toilet comprises a toilet water tank 110, a water tank 120, a water inlet valve 200 and an injection system 300;
the valve body 210, the water inlet cavity 211, the first water outlet cavity 212, the second water outlet cavity 213, the first valve port part 214, the second valve port part 215, the first pressure relief port 216, the second pressure relief port 217, the first plug 218 and the second plug 219;
a valve cover 220;
a first switch assembly 230, a first back pressure chamber 231, a first diaphragm 232;
a second switch assembly 240, a second back pressure chamber 241, a second diaphragm 242;
a first control assembly 250, a float member 251, a first lever 252, a first blocking portion 2521;
the second control assembly 260, the upper sleeve 261, the buckle 2611, the lower sleeve 262, the large-diameter peripheral wall 2621, the annular wall 2622, the small-diameter peripheral wall 2623, the protrusion 2624, the clamping hole 2625, the pressing sleeve 263, the delay float bowl 264, the claw-shaped structure 2641, the return spring 265, the delay cavity 266, the water outlet 2661, the delay hole 2662, the second lever 267 and the second blocking part 2671;
a return spring 265 ', a second lever 267 ', a second blocking portion 2671 ', a second floating barrel 268, a first clamping portion 2681, a guide rod 269, a second clamping portion 2691 and a bracket 2610;
an inlet tube 270, a first outlet conduit 280, and a second outlet conduit 290.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
For ease of understanding and clarity of description, the following description is made in conjunction with a fill valve and a toilet flushing system having the fill valve, and the advantageous portions will not be repeated.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a toilet flushing system according to a first embodiment; fig. 2 is a schematic structural view of the water inlet valve and the injection system in fig. 1.
The toilet flushing system comprises a water tank 120, a water inlet valve 200 and an injection system 300, wherein the water inlet valve 200 is arranged in the water tank 120 and used for supplementing water into the water tank 120 when the water level of the water tank 120 is lower than the working water level, and the injection system 300 is used for conveying water to a circulation port connected with the toilet water tank 110 so as to clean the toilet water tank 110. The incoming water to the eductor system 300 also comes from the inlet valve 200.
The water inlet valve 200 provided by the invention is provided with a water inlet waterway communicated with external incoming water and two water outlet waterways, wherein one water outlet waterway is communicated with the water tank 120, and the other water outlet waterway is communicated with the injection system 300, in practical application, water is supplemented into the water tank 120 or supplied into the injection system 300 by controlling the on-off condition between the water inlet waterway and the two water outlet waterways of the water inlet valve 200, specifically, the switching between the water inlet waterway and the two water outlet waterways is controlled by two mechanisms respectively, namely, the on-off switching between the water inlet waterway and the one water outlet waterway and the on-off switching between the water inlet waterway and the other water outlet waterway are controlled respectively and independently; thus, the smoothness of water channel switching and the consistency of switching points can be ensured, and the large difference of the water discharge of the toilet at each time can be prevented.
The specific structural arrangement of the inlet valve 200 provided by the present invention will be described with respect to specific embodiments.
Referring to FIGS. 3 to 9, FIG. 3 is a schematic view of a first embodiment of a fill valve according to the present invention; FIG. 4 is a schematic view of the inlet valve of FIG. 3 at another angle; FIG. 5 is an exploded schematic view of the fill valve of FIG. 3; FIG. 6 is a schematic cross-sectional view of the fill valve of FIG. 3; FIG. 7 is an enlarged, fragmentary schematic view of the second control assembly of FIG. 6; FIG. 8 is a schematic cross-sectional view of the fill valve of FIG. 3 at an alternative angle; FIG. 9 is a schematic cross-sectional view of yet another angle of the fill valve of FIG. 3.
In this embodiment, the inlet valve 200 comprises a valve body 210, the valve body 210 having an inlet chamber 211, a first outlet chamber 212 and a second outlet chamber 213, wherein the first outlet chamber 212 communicates with the inlet chamber 211 via a first valve port portion 214, and the second outlet chamber 213 communicates with the inlet chamber 211 via a second valve port portion 215.
In this embodiment, the valve body 210 is fixedly connected with an inlet pipe 270, the inlet pipe 270 is communicated with the inlet cavity 211, the inlet pipe 270 is used for communicating the inlet cavity 211 with external water, the first outlet cavity 212 is connected with a first outlet pipeline 280, the first outlet pipeline 280 is communicated with the water tank 120, the second outlet cavity 213 is connected with a second outlet pipeline 290, and the second outlet pipeline 290 is connected with the injection system 300.
A first switch assembly 230 and a second switch assembly 240 are disposed within the valve body 210.
The first switch element 230 is used for opening or closing the first valve opening portion 214 to open or close the flow path between the inlet chamber 211 and the first outlet chamber 212, that is, when the first switch element 230 closes the first valve opening portion 214, the flow path between the inlet chamber 211 and the first outlet chamber 212 is closed, water in the inlet chamber 211 cannot flow to the water tank 120 through the first outlet chamber 212 and the first outlet pipeline 280, and when the first switch element 230 opens the first valve opening portion 214, the flow path between the inlet chamber 211 and the first outlet chamber 212 is opened, water in the inlet chamber 211 can flow to the water tank 120 through the first outlet chamber 212 and the first outlet pipeline 280, so as to replenish water in the water tank 120.
The second switch assembly 240 is used to open or close the second valve opening portion 215 to open or close the flow path between the water inlet cavity 211 and the second water outlet cavity 213, that is, when the second switch assembly 240 closes the second valve opening portion 215, the flow path between the water inlet cavity 211 and the second water outlet cavity 213 is cut off, the water in the water inlet cavity 211 cannot flow to the injection system 300 through the second water outlet cavity 213 and the second water outlet pipe 290, when the second switch assembly 240 opens the second valve opening portion 215, the flow path between the water inlet cavity 211 and the second water outlet cavity 213 is opened, and the water in the water inlet cavity 211 can flow to the injection system 300 through the second water outlet cavity 213 and the second water outlet pipe 290, so as to flush the toilet tank 110.
In this embodiment, the first switch assembly 230 and the second switch assembly 240 are both pilot switch membrane assemblies, and the structure of the pilot switch membrane assemblies may be an existing structure, and the opening and closing of the corresponding valve ports are controlled by controlling the pressure change on the two sides of the membranes to deform the membranes; specifically, the diaphragm of the pilot switch membrane group is matched with the corresponding valve port, pressure on two sides of the diaphragm is balanced in a normal state, the diaphragm is attached to the corresponding valve port to close the valve port, and when the corresponding valve port needs to be opened, pressure difference exists on two sides of the diaphragm in a controllable mode, so that the diaphragm deforms towards the direction far away from the valve port to open the valve port.
The inlet valve 200 further comprises a first control assembly 250 and a second control assembly 260, wherein the first control assembly 250 is used for controlling the first diaphragm 232 of the first switch assembly 230 to act to open or close the first valve port portion 214, and the second control assembly 260 is used for controlling the second diaphragm 242 of the second switch assembly 240 to act to open or close the second valve port portion 215.
Referring to fig. 8, in this embodiment, a port portion of the first valve port portion 214 communicating with the first water outlet cavity 212 faces upward, a first plug 218 is disposed at the port portion of the first valve port portion 214 communicating with the first water outlet cavity 212, a port portion of the second valve port portion 215 communicating with the second water outlet cavity 213 also faces upward, a second plug 219 is disposed at the port portion of the second valve port portion 215 communicating with the second water outlet cavity 213, the water inlet valve 200 further includes a valve cover 220 for blocking an opening at an upper end of the valve body 210, and a through hole structure is disposed on the valve cover 220 at a position corresponding to the first plug 218 and the second plug 219.
When the first valve opening portion 214 is opened by the first switch assembly 230, the first plug 218 can be pushed up under the action of water pressure, the first plug 218 blocks the corresponding through hole structure of the valve cap 220, and water in the water inlet cavity 211 can only flow out of the first water outlet pipeline 280 through the first valve opening portion 214 and the first water outlet cavity 212; when the second valve port 215 is opened by the second switch assembly 240, the second plug 219 can be pushed up under the action of water pressure, the second plug 291 plugs the corresponding through hole structure of the valve cover 220, and water in the water inlet cavity 211 can only flow out of the second water outlet pipeline 290 through the second valve port 215 via the second water outlet cavity 213.
Specifically, the first switch assembly 230 has a first back pressure chamber 231 communicated with the water inlet chamber 211, the valve body 210 further has a first pressure relief opening 216 communicated with the first back pressure chamber 231, and the first control assembly 250 controls the first diaphragm 232 of the first switch assembly 230 to act by controlling the opening and closing of the first pressure relief opening 216.
In this embodiment, the first control assembly 250 may be a float bowl water level control assembly, which includes a float bowl part 251 and a first lever 252, wherein a first end of the first lever 252 is connected to the float bowl part 251, a second end of the first lever 252 is hinged to the valve body 210, and a second end of the first lever 252 is provided with a first blocking portion 2521 for blocking the first pressure relief port 216, and is configured to: under a normal state, where the water level of the water tank 120 is normal, the first blocking portion 2521 of the first lever 252 closes the first pressure relief opening 216, the float tub member 251 is subjected to buoyancy, so that the first lever 252 is in a balanced state, and the first blocking portion 2521 closes the first pressure relief opening 216.
The first control module 250 controls the opening and closing of the first pressure relief opening 216 according to the variation of the water storage amount in the water tank 120, so as to control the opening and closing of the first switch module 230.
Specifically, when the stored water in the water tank 120 is at the full water level, the float part 251 makes the first lever 252 in a balanced state under the action of the buoyancy of the water, the first blocking part 2521 closes the first pressure relief opening 216, the pressures on both sides of the first diaphragm 232 of the first switch assembly 230 are balanced, the first diaphragm 232 of the first switch assembly 230 closes the first valve opening part 214, and the flow path between the water inlet cavity 211 and the water tank 120 is cut off; when the toilet is flushed, the stored water in the water tank 120 is delivered to the toilet pool 110, the water level in the water tank 120 drops, when the water level drops to a preset depth, the float part 251 loses the effect of water buoyancy, the float part 251 drops under the action of gravity, and drives the first end of the first lever 252 to drop together, so that the second end of the first lever 252 rotates relative to the valve body 210, the first blocking part 2521 opens the first pressure relief port 216, the pressure in the first back pressure cavity 231 of the first switch assembly 230 decreases, the first diaphragm 232 moves in a direction away from the first valve port 214 under the action of pressure difference to open the first valve port 214, the water inlet cavity 211 and the first water outlet cavity 212 are communicated, and external water flows into the water tank 120 through the water inlet cavity 211, the first water outlet cavity 212 and the first water outlet pipeline 280, so as to replenish water to the water tank 120; after the water level of the water tank 120 rises, the floating barrel part 251 rises under the action of buoyancy to drive the first lever 252 to act together, and then the first pressure relief opening 216 is closed to cut off the flow path between the water inlet cavity 212 and the first water outlet cavity 212.
In a specific embodiment, the float member 251 may have a double-float structure.
Specifically, the second switch assembly 240 has a second back pressure chamber 241 communicated with the water inlet chamber 211, the valve body 210 further has a second pressure relief opening 217 communicated with the second back pressure chamber 241, and the second control assembly 260 controls the second diaphragm 242 of the second switch assembly 240 to act by controlling the opening and closing of the second pressure relief opening 217.
In this embodiment, the second control assembly 260 specifically adopts a delay return structure, which includes a delay sleeve assembly, a pressing sleeve 263, a delay float 264 and a return spring 265, wherein the delay sleeve assembly is fixed relative to the valve body 210.
In the scheme, the delay sleeve assembly specifically comprises an upper sleeve 261 and a lower sleeve 262 which are relatively fixed, a pressing sleeve 263 is specifically inserted into the upper sleeve 261 in a sliding manner, a delay cavity 266 is formed between the lower end of the pressing sleeve 263 and the delay sleeve assembly, and a return elastic part, specifically a return spring 265, is further arranged between the pressing sleeve 263 and the delay sleeve assembly; it will be appreciated that the push sleeve 263 can slide up and down within the upper sleeve 261, thereby changing the volume of the delay volume 266.
The bottom of the delay cavity 266 is provided with an outlet hole 2661, the peripheral wall of the delay cavity 266 is provided with a delay hole 2662, and the delay float 264 is slidably arranged at the bottom of the delay cavity 266 so as to open and close the outlet hole 2661. It should be noted that, in a normal state, the delay floating barrel 264 floats relative to the delay cavity 266 under the action of the buoyancy of water to close the water outlet 2661, and when the delay floating barrel 264 is forced to move downward relative to the delay cavity 266, the water outlet 2661 can be opened.
The second control assembly further includes a second lever 267, a first end of the second lever 267 is connected with the pressing sleeve 263, a second end of the second lever 267 is hinged with the valve body 210, and a second end of the second lever 267 is provided with a second blocking portion 2671 for blocking the second relief port 217, and is configured to: the second lever 267 is in a balanced state, and the second blocking portion 2671 closes the second relief port 217.
In practical application, in a normal state, the second lever 267 is in a balanced state, the second blocking portion 2671 closes the second pressure relief port 217, pressure on two sides of the second diaphragm 242 of the second switch assembly 240 is balanced, the second diaphragm 242 closes the second valve port portion 215, and a flow path between the water inlet cavity 211 and the injection system 300 is cut off.
When the toilet needs to be flushed, the pressing sleeve 263 is pressed downwards, the pressing sleeve 263 moves downwards, the first end of the second lever 267 descends along with the pressing sleeve 263, so that the second end of the second lever 267 rotates relative to the valve body 210, the second blocking portion 2671 opens the second pressure relief port 217, the pressure in the second back pressure cavity 241 of the second switch assembly 240 is reduced, the second diaphragm 240 of the second switch assembly 240 moves in a direction away from the second valve port 215 under the action of the pressure difference to open the second valve port 215, the water inlet cavity 211 and the second water outlet cavity 213 are communicated, water in the water inlet cavity 211 can flow to the injection system 300 through the second water outlet cavity 213 and the second water outlet pipe 290, and the toilet bowl 110 is flushed.
After the pressing sleeve 263 is pressed, the pressing sleeve 263 moves downward relative to the delay sleeve assembly, causing the volume of the delay cavity 266 to decrease, in the process, the return spring 265 is compressed, and under the action of water pressure, the delay float 264 moves downward to open the water outlet hole 2661, so that the water in the delay cavity 266 is discharged from the water outlet hole 2661 at the bottom, and then, the time-delay float 264 will float up to close the water outlet 2661 under the action of the buoyancy of water, at this time, negative pressure is generated in the delay cavity 266, and water in the water tank 120 can only flow into the delay cavity 266 from the delay hole 2662, so that the return spring 265 is returned, when the water level in the tank 120 is lower than the delay hole 2662, air will enter the delay cavity 266 from the delay hole 2662, the return spring 265 is quickly returned to drive the pressing sleeve 263 to return, so that the second blocking portion 2671 closes the second pressure relief port 217 to cut off the flow path between the water inlet cavity 211 and the second water outlet pipe 290.
In this embodiment, the axial direction of the delay sleeve assembly is substantially parallel to the axial direction of the inlet pipe 270, and in particular, the upper sleeve 261 of the delay sleeve assembly is fixedly connected to the inlet pipe 270, so that the relative position of the delay sleeve assembly and the valve body 210 is fixed.
In this embodiment, the upper sleeve 261 and the lower sleeve 262 are fixed relatively in a clamping manner, so that the installation is convenient.
Specifically, the lower sleeve 262 includes a large-diameter peripheral wall 2621, a small-diameter peripheral wall 2623, and an annular wall 2622 connecting the large-diameter peripheral wall 2621 and the small-diameter peripheral wall 2623, the large-diameter peripheral wall 2621 being formed to extend upward along an outer peripheral wall of the annular wall 2622, and the small-diameter peripheral wall 2623 being formed to extend downward along an inner peripheral wall of the annular wall 2622.
The upper end of the large-diameter peripheral wall 2621 of the lower sleeve 262 is circumferentially provided with a plurality of protrusions 2624 extending upwards, each protrusion 2624 is provided with a clamping hole 2625, the peripheral wall of the upper sleeve 261 is provided with a buckle 2611 matched with each clamping hole 2625, after the lower end of the upper sleeve 261 is inserted into the large-diameter peripheral wall 2621, each buckle 2611 can be clamped into the corresponding clamping hole 2625, and the clamping matching of the upper sleeve 261 and the lower sleeve 262 is realized.
Of course, when actually setting up, the setting position of buckle and card hole can be changed, corresponds the corresponding adjustment of structure, as long as can realize the joint cooperation of upper sleeve 261 and lower sleeve 262.
Specifically, a seal ring may be provided at the insertion fitting portion of the upper sleeve 261 and the large-diameter peripheral wall 2621.
The annular wall 2622 of the lower sleeve 262 is further provided with an annular protruding ridge 2626 protruding upward, the lower end of the return spring 265 is specifically abutted against the annular wall 2622, and the annular protruding ridge 2626 has a limiting effect on the lower end of the return spring 265. The small-diameter peripheral wall 2623 has a lower end opening forming an outlet hole 2661 in the bottom of the delay chamber 266.
In this embodiment, the delay hole 2662 is formed specifically at the upper end of the small-diameter peripheral wall 2623. It is understood that, in practice, the delay hole 2662 may be provided at other peripheral walls of the delay cavity 266 as desired.
In a specific scheme, the lower end of the small-diameter peripheral wall 2623 is bent inward in the radial direction to form a bent portion, the upper end of the delay float bowl 264 is a claw-shaped structure 2641, and the claw-shaped structure 2641 can be lapped on the bent portion so as to prevent the delay float bowl 264 from separating from the delay cavity 266; it can be understood that, in the normality, the time delay floating barrel 264 floats upwards under the action of water buoyancy, and the lower end opening of the small-diameter peripheral wall part 2623 is blocked by the main body of the time delay floating barrel 264 so as to close the water outlet 2661 of the time delay cavity 266, and when the time delay floating barrel 264 is stressed to overcome the water buoyancy and moves downwards, the claw-shaped structure 2641 is lapped on the bending part at the lower end of the small-diameter peripheral wall part 2623, so that the time delay floating barrel 264 is prevented from falling when the water outlet 2661 is opened.
In this embodiment, the second diaphragm 242 of the second switch assembly 240 has an axial direction perpendicular to the axial direction of the first diaphragm 232 of the first switch assembly 230, while the second diaphragm 242 has an axial direction parallel to the axial direction of the inlet chamber 211. So configured, the volume of the valve body 210 can be reduced to some extent.
The axial direction of the membrane is understood to be the direction which coincides with the direction of deformation of the membrane.
Specifically, the first outlet pipe 280 directly connected to the first outlet cavity 212 of the valve body 210, the second outlet pipe 290 directly connected to the second outlet cavity 213, and the inlet pipe 270 connected to the inlet cavity 211 are arranged in parallel by the structural design of each chamber of the valve body 210. Thus, the related structural arrangement is facilitated, and the overall volume of the inlet valve 200 can be reduced to some extent.
Referring to FIGS. 10-14, FIG. 10 is a schematic view of a second embodiment of a fill valve of the present invention; FIG. 11 is an exploded view of the fill valve of FIG. 10; FIG. 12 is a schematic cross-sectional view of the fill valve of FIG. 10; FIG. 13 is a schematic cross-sectional view of the fill valve of FIG. 10 at an alternative angle; FIG. 14 is a schematic cross-sectional view of yet another angle of the fill valve of FIG. 10.
The structure of the inlet valve 200 is similar to that of the first embodiment, and in this embodiment, the inlet valve 200 also includes a valve body 210, the valve body 210 also has an inlet cavity 211, a first outlet cavity 212 and a second outlet cavity 213, the inlet cavity 211 is communicated with the first outlet cavity 212 through a first valve port portion 214, and is communicated with the second outlet cavity 213 through a second valve port portion 215.
In this embodiment, the valve body 210 is designed as a split structure, and specifically includes a valve main body, a first valve cavity and a second valve cavity, wherein the water inlet cavity 211, the first valve opening 214 and the second valve opening 215 are formed in the valve main body, the water outlet ports of the first valve opening 214 and the second valve opening 215 are both disposed upward, the first water outlet cavity 212 is formed in the first valve cavity, the second water outlet cavity 213 is formed in the second valve cavity, and the first valve cavity and the second valve cavity are respectively matched with the water outlet ends of the first valve opening 214 and the second valve opening 215.
The first plug 218 is disposed at the water outlet of the first valve opening 214, a through hole is disposed at a position of the first valve cavity corresponding to the first plug 218, when the first valve opening 214 is opened by the first switch assembly 230, the first plug 218 can be pushed up under the action of water pressure, the first plug 218 blocks the through hole corresponding to the first valve cavity, and water in the water inlet cavity 211 can only flow out of the first water outlet pipeline 280 through the first valve opening 214 via the first water outlet cavity 212.
The water outlet port of the second valve opening portion 215 is provided with a second plug 219, the second valve cavity is provided with a through hole at a position corresponding to the second plug 219, after the second valve opening portion 215 is opened by the second switch assembly 240, the second plug 219 can be pushed up under the action of water pressure, the second plug 219 plugs the corresponding through hole of the second valve cavity, and water in the water inlet cavity 211 can only flow out of the second water outlet pipeline 290 through the second water outlet cavity 213 through the second valve opening portion 215.
A first switch assembly 230 and a second switch assembly 240 are arranged in the valve body 210, and are also set as a pilot switch membrane group, and the water inlet valve 200 further comprises a first control assembly 250 and a second control assembly 260; the first control assembly 250 controls the first diaphragm 232 of the first switch assembly 230 to move so as to open and close the first valve port portion 214, and the second control assembly 260 controls the second diaphragm 242 of the second switch assembly 240 to move so as to open and close the second valve port portion 215.
In this embodiment, the first switch assembly 230 also has a first back pressure chamber 231 communicated with the water inlet chamber 211, the valve body 210 has a first pressure relief opening 216 communicated with the first back pressure chamber 231, and the first control assembly 250 controls the first diaphragm 232 of the first switch assembly 230 to move by controlling the opening and closing of the first pressure relief opening 216.
The first control assembly 250 also adopts a float bowl water level control assembly, and the basic structure composition and the connection and matching relationship with the valve body 210 are similar to those of the first embodiment, and the details are not repeated herein.
In this embodiment, the second switch assembly 240 also has a second back pressure chamber 241 communicated with the water inlet chamber 211, the valve body 210 also has a second pressure relief opening 217 communicated with the second back pressure chamber 241, and the second control assembly 260 controls the second diaphragm 242 of the second switch assembly 240 to operate by controlling the opening and closing of the second pressure relief opening 217.
The structure of the second control assembly 260 is different from that of the first embodiment, in this embodiment, the second control assembly 260 specifically adopts a float barrel control structure, specifically, the second control assembly 260 includes a second lever 267 ', a second float barrel 268 and a guide rod 269, wherein a first end of the second lever 267 ' is connected to an upper end of the guide rod 269, a second end of the second lever 267 ' is hinged to the valve body 210, and a second end of the second lever 267 ' is provided with a second blocking portion 2671 ' for blocking the second pressure relief port 217.
the guide rod 269 is pressed downwards, and the guide rod 269 and the second floating barrel 268 can be clamped and connected through a clamping structure, so that the second blocking portion 2671' opens the second pressure relief port 217;
the second floating barrel 268 can also rotate relative to the bracket 2610 to release the clamping state with the guide rod 269;
guide rod 269 is in non-engagement with second float bucket 268, and second blocking portion 2671' closes second relief port 217.
In practical application, before flushing, the water level of the water tank 120 is at the working water level, the guide rod 269 and the second float bucket 268 are in a non-clamping state, the second blocking portion 2671' closes the second pressure relief port 217, the pressures on two sides of the second diaphragm 242 of the second switch assembly 240 are balanced, the second diaphragm 242 closes the second valve port 215, and the flow path between the water inlet cavity 211 and the injection system 300 is cut off.
When the toilet needs to be flushed, the guide rod 269 is pressed downwards, so that the guide rod 269 is clamped with the second floating barrel 268 through the clamping structure, the first end of the second lever 267 ' descends along with the guide rod 269, the second end of the second lever 267 ' rotates relative to the valve body 210, the second blocking portion 2671 ' opens the second pressure relief port 217, the pressure in the second backpressure cavity 241 of the second switch assembly 240 is reduced, the second diaphragm 242 of the second switch assembly 240 moves in the direction away from the second valve port 215 under the action of the pressure difference to open the second valve port 215, the water inlet cavity 211 and the second water outlet cavity 213 are conducted, the water in the water inlet cavity 211 can flow to the injection system 300 through the second water outlet cavity 213 and the second water outlet pipeline 290, and the toilet bowl 110 is flushed.
After the guide rod 269 is pressed downwards to clamp the guide rod 269 with the second floating barrel 268, the return spring 265 'between the guide rod 269 and the bracket 2610 is compressed, during a flushing process, when the water level of the water tank 120 drops below the second floating barrel 268, the second floating barrel 268 loses the action of water buoyancy, rotates relative to the bracket 2610 under the action of self gravity to unlock the clamping between the second floating barrel and the guide rod 269, and after the unlocking, the guide rod 269 rises to return under the action of the return spring 265' to drive the second end of the second lever 267 'to return, so that the second blocking portion 2671' closes the second pressure relief port 217, and cuts off a flow path between the water inlet cavity 211 and the second water outlet pipeline 290.
Obviously, the hinged design of second buoy 268 and bracket 2610 allows second buoy 268 to rotate in the direction of releasing the engagement with guide rod 269 after losing buoyancy.
Referring to fig. 10, 13 and 14, the bracket 2610 includes a bottom plate located below the second float bowl 268, the guide rod 269 is slidably inserted into the bottom plate, the guide rod 269 has a radial protrusion at a suitable position above the bottom plate, and the return spring 265' is abutted between the radial protrusion of the guide rod 269 and the bottom plate of the bracket 2610.
In the illustration, the second float 268 is located at the left side of the guide rod 269, two ear plates are disposed on the bottom plate of the support 2610, the second float 268 has a connection portion, the second float 268 is hinged to the support 2610 through a pin shaft penetrating through the two ear plates and the connection portion, in the illustration, one side of the second float 268 close to the guide rod 269 is hinged to the support 2610, and the rotation center line is perpendicular to the axial direction of the guide rod 269.
One side of second buoy 268 near guide rod 269 is provided with first clamping portion 2681, one side of guide rod 269 near second buoy 268 is provided with second clamping portion 2691, as shown in fig. 14, second buoy 268 and guide rod 269 are in a clamping state in fig. 14, it can be understood that when second buoy 268 is not affected by water buoyancy and is only affected by gravity, because one side of second buoy 268 near guide rod 269 is hinged to bracket 2610, under the action of gravity, the other side of second buoy 268 can rotate downward, thereby first clamping portion 2681 of second buoy 268 is separated from second clamping portion 2691 of guide rod 269, and further guide rod 269 can reset under the resetting action of reset spring 265'.
In this embodiment, the axial direction of the second diaphragm 242 of the second switching unit 240 is parallel to the axial direction of the first diaphragm 232 of the first switching unit 230, and the axial direction of the second diaphragm 242 of the second switching unit 240 is perpendicular to the axial direction of the inlet chamber 211, so that the inlet valve 200 is more compact.
The above detailed description of the inlet valve and the toilet flushing system having the inlet valve provided by the present invention are provided. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The water inlet valve for the toilet flushing system comprises a valve body and is characterized in that the valve body is provided with a water inlet cavity, a first water outlet cavity and a second water outlet cavity, the first water outlet cavity is communicated with the water inlet cavity through a first valve port part, and the second water outlet cavity is communicated with the water inlet cavity through a second valve port part;
a first switch component and a second switch component are arranged in the valve body, and the first switch component is used for opening or closing the first valve opening part so as to conduct or cut off a flow path between the water inlet cavity and the first water outlet cavity; the second switch component is used for opening or closing the second valve port part so as to conduct or cut off a flow path between the water inlet cavity and the second water outlet cavity;
the first switch assembly and the second switch assembly are relatively independent;
the second switch assembly is a pilot switch membrane assembly and further comprises a second control assembly, and the second control assembly is used for controlling the diaphragm of the second switch assembly to act so as to open or close the second valve port;
the second switch component is provided with a second back pressure cavity communicated with the water inlet cavity, the valve body is also provided with a second pressure relief opening communicated with the second back pressure cavity, and the second control component controls the action of a diaphragm of the second switch component by controlling the opening and closing of the second pressure relief opening;
the second control assembly comprises a second lever and a time delay reset structure or a floating barrel control structure, the first end of the second lever is connected with the time delay reset structure or the floating barrel control structure, the second end of the second lever is hinged to the valve body, and the second end of the second lever is provided with a second plugging part used for plugging the second pressure relief opening and configured into:
when the first end of the second lever descends, the second blocking part can open the second pressure relief opening;
the second lever is in a balanced state, and the second blocking part closes the second pressure relief opening.
2. The fill valve of claim 1, wherein the first switch assembly is a piloted switch membrane module; the first control assembly is used for controlling the diaphragm of the first switch assembly to act so as to open or close the first valve port part.
3. The fill valve of claim 1, wherein the time delay reset structure of the second control assembly comprises a time delay sleeve assembly, a time delay float and a push sleeve, the time delay sleeve assembly being fixed relative to the valve body;
the pressing sleeve is inserted into the delay sleeve assembly in a sliding mode, a delay cavity is formed between the pressing sleeve and the delay sleeve assembly, a water outlet hole is formed in the bottom of the delay cavity, a delay hole is formed in the peripheral wall of the delay cavity, the delay floating barrel is arranged in the delay cavity in a sliding mode so as to open and close the water outlet hole, and a reset elastic piece is further arranged between the pressing sleeve and the delay sleeve assembly;
the first end of the second lever is connected with the pressing sleeve.
4. The fill valve of claim 1, wherein the axial direction of the diaphragm of the second switch assembly is perpendicular to the axial direction of the diaphragm of the first switch assembly, and the axial direction of the diaphragm of the second switch assembly is parallel to the axial direction of the fill chamber.
5. The fill valve of claim 1, wherein the float control structure of the second control assembly comprises a second float and a guide rod, a first end of the second lever being connected to an upper end of the guide rod; the valve body fixedly connected with support, the second flotation tank with the support is articulated, the lower extreme of guide arm slides the cartridge in the support, just the guide arm with be equipped with the elastic component that resets between the support, the guide arm with be equipped with the block structure of mutually supporting between the second flotation tank to specifically configure into:
the guide rod is pressed downwards, and the guide rod and the second floating barrel can be clamped through the clamping structure, so that the second blocking part opens the second pressure relief opening;
the second floating barrel can also rotate relative to the bracket to release the clamping state of the second floating barrel and the guide rod;
the guide rod and the second floating barrel are in a non-clamping state, and the second pressure relief opening is closed by the second plugging portion.
6. The fill valve of claim 5, wherein the axial direction of the diaphragm of the second switch assembly is parallel to the axial direction of the diaphragm of the first switch assembly, and the axial direction of the diaphragm of the second switch assembly is perpendicular to the axial direction of the fill chamber.
7. The water inlet valve according to claim 2, wherein the first switch assembly has a first back pressure chamber communicated with the water inlet chamber, the valve body further has a first pressure relief opening communicated with the first back pressure chamber, and the first control assembly controls the action of the diaphragm of the first switch assembly by controlling the opening and closing of the first pressure relief opening.
8. The fill valve of claim 7, wherein the first control assembly comprises a float barrel part and a first lever, a first end of the first lever is connected with the float barrel part, a second end of the first lever is hinged with the valve body, and a second end of the first lever is provided with a first blocking part for blocking the first pressure relief opening and is configured to: the first lever is in a balanced state, and the first blocking part closes the first pressure relief opening.
9. The toilet flushing system comprises a water tank and an injection system and is characterized by further comprising a water inlet valve arranged in the water tank, wherein the water inlet valve is the water inlet valve according to any one of claims 1 to 8, the first valve port portion of the water inlet valve is communicated with the water tank, and the second valve port portion of the water inlet valve is communicated with an inlet of the injection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425609.6A CN110056055B (en) | 2019-05-21 | 2019-05-21 | Water inlet valve and toilet bowl flushing system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425609.6A CN110056055B (en) | 2019-05-21 | 2019-05-21 | Water inlet valve and toilet bowl flushing system with same |
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| Publication Number | Publication Date |
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| CN110056055A CN110056055A (en) | 2019-07-26 |
| CN110056055B true CN110056055B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910425609.6A Active CN110056055B (en) | 2019-05-21 | 2019-05-21 | Water inlet valve and toilet bowl flushing system with same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088833B (en) * | 2020-01-06 | 2023-03-24 | 喻建荣 | Toilet flushing accessory |
| CN111719651B (en) * | 2020-07-13 | 2023-09-19 | 厦门恩沐智能科技有限公司 | Water inlet device |
| CN111827423B (en) * | 2020-07-23 | 2023-03-31 | 厦门恩沐智能科技有限公司 | Toilet flushing device |
| WO2022016459A1 (en) * | 2020-07-23 | 2022-01-27 | 厦门恩沐智能科技有限公司 | Toilet flushing apparatus |
| CN115560097A (en) * | 2022-08-18 | 2023-01-03 | 厦门科牧智能技术有限公司 | Distribution valve with external pressure relief water path |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679439Y (en) * | 2004-02-18 | 2005-02-16 | 陈焕忠 | Inlet valve of water tank |
| CN201671163U (en) * | 2010-03-02 | 2010-12-15 | 中山市美图塑料工业有限公司 | Toilet bowl control valve |
| CN105888009B (en) * | 2016-06-17 | 2018-03-27 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of high performance toilet flushing machine and its time-delayed self-closing switch valve gear |
| GB2563721B (en) * | 2017-05-04 | 2019-07-17 | Wun Chou Li | Leak-proof toilet tank |
| CN208009576U (en) * | 2018-01-11 | 2018-10-26 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of water inlet switching device for cistern and the closestool with water inlet switching device for cistern |
| CN207919678U (en) * | 2018-01-15 | 2018-09-28 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of on-off valve device of changeable water outlet and the closestool with the device |
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2019
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