阅读说明：本技术 一种智动反压式节能冲水阀 (Intelligent back pressure type energy-saving flushing valve ) 是由 谭汉枝 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种智动反压式节能冲水阀,属于卫浴用品技术领域,所述冲水阀包括冲水阀主体、电机、电磁阀和恒压阀,所述恒压阀包括四通进水连接弯头、压盖和端盖,所述四通进水连接弯头的内部具有装配空间,装配空间内安装有阀杆,阀杆的首端通过压盖安装在四通进水连接弯头内,阀杆上依次设有下压片、膜片、上压片、螺母和弹簧,冲水阀主体与阀体定位封水盖之间形成容纳腔,在容纳腔的内部设有冲水阀组件。其减少阀体体积,方便安装,使冲水阀适用于不同的水质,保持冲水阀运行过程中的流量稳定,减少噪音污染,采用新型陶瓷片阀芯,提高阀芯片使用寿命,同时可以自动对滤网进行清洗,提高了冲水阀的使用便利性。(The invention discloses an intelligent counter-pressure type energy-saving flushing valve, which belongs to the technical field of bathroom accessories and comprises a flushing valve main body, a motor, an electromagnetic valve and a constant pressure valve, wherein the constant pressure valve comprises a four-way water inlet connecting elbow, a gland and an end cover, an assembly space is arranged inside the four-way water inlet connecting elbow, a valve rod is arranged in the assembly space, the head end of the valve rod is arranged in the four-way water inlet connecting elbow through the gland, a lower pressing sheet, a diaphragm, an upper pressing sheet, a nut and a spring are sequentially arranged on the valve rod, a containing cavity is formed between the flushing valve main body and a valve body positioning water sealing cover, and a flushing valve component is arranged inside the. The novel ceramic chip valve core is adopted, the service life of the valve core chip is prolonged, meanwhile, the filter screen can be automatically cleaned, and the use convenience of the flushing valve is improved.)

1. The utility model provides an energy-conserving flashing valve of intelligent backpressure formula, this flashing valve is installed in the inside of closestool which characterized in that: the flushing valve comprises a flushing valve main body, a motor, an electromagnetic valve and a constant pressure valve, wherein the constant pressure valve comprises a four-way water inlet connecting elbow, a gland and an end cover, an assembly space is arranged inside the four-way water inlet connecting elbow, a valve rod is arranged in the assembly space, the head end of the valve rod is arranged in the four-way water inlet connecting elbow through the gland, a lower pressing sheet, a diaphragm, an upper pressing sheet, a nut and a spring are sequentially arranged on the valve rod, the lower pressing sheet, the diaphragm and the upper pressing sheet are arranged on the valve rod in a penetrating manner and fixed by the nut, the spring is sleeved at the tail end of the valve rod, the upper pressing sheet is tightly attached to the front end of the spring and fixedly installed by the end cover, a water inlet is arranged at the bottom of the four-way water inlet connecting elbow, a water inlet filtering component is arranged at the water, the water flushing valve is characterized in that a water outlet A is formed in one side of the water flushing valve main body, a water outlet B is formed in the bottom of the water flushing valve main body, a valve body positioning water sealing cover is fixed to the other side of the water flushing valve main body in a sealing mode, a containing cavity is formed between the water flushing valve main body and the valve body positioning water sealing cover, a water flushing valve component is arranged in the containing cavity, the motor is installed on the valve body positioning water sealing cover, and the power output end of the motor is connected with the water flushing valve component.

2. The intelligent back pressure type energy-saving flushing valve according to claim 1, characterized in that: the flushing valve component comprises a valve driving shaft arranged in a flushing valve main body, the valve driving shaft is connected with the power output of a motor, a waterway switching piece is arranged in the middle of the valve driving shaft, a fixed ceramic valve chip and a rotary ceramic valve chip are sleeved at the tail end of the valve driving shaft, and a push rod seat, a push rod and a compression spring are arranged on the back of the rotary ceramic valve chip.

3. The intelligent back pressure type energy-saving flushing valve according to claim 2, characterized in that: the ejector rod is characterized in that a stand column is arranged in the middle of the surface of the ejector rod seat in a protruding mode, an assembly hole is formed in the inner portion of the ejector rod, the ejector rod is installed on the ejector rod seat through the assembly hole, a limiting ring is arranged at one end of the ejector rod, and after the ejector rod is installed in a compression spring sleeve mode, one end of a compression spring is tightly attached to the ejector rod seat, and the other end of the compression spring is tightly attached to the.

4. The intelligent back pressure type energy-saving flushing valve according to claim 1, characterized in that: and a water sealing rubber ring is arranged between the flushing valve main body and the valve body positioning water sealing cover.

5. The intelligent back pressure type energy-saving flushing valve according to claim 1, characterized in that: one side of the four-way water inlet connecting elbow extends outwards to form a water passing opening, and the electromagnetic valve is connected with the water passing opening through a connecting piece.

6. The intelligent back pressure type energy-saving flushing valve according to claim 1, characterized in that: the water inlet filtering component comprises a water inlet conversion head and a water purifying passage filter screen, wherein the water purifying passage filter screen is arranged in a water inlet of the four-way water inlet connecting elbow and is fixed by the water inlet conversion head.

7. The intelligent back pressure type energy-saving flushing valve according to claim 1, characterized in that: the outside of valve body location water-sealing cover is equipped with the motor mount, the motor is installed on the motor mount, and the output of motor passes valve body location water-sealing cover and is connected with the valve drive shaft.

Technical Field

The invention relates to the technical field of bathroom accessories, in particular to an intelligent back pressure type energy-saving flush valve.

Background

In life, the intelligent flush toilet becomes an essential product of society, but the utilization of resources is required by the society, so that the resources are gradually reduced along with the development of the society, various functional conditions of the intelligent flush toilet are very huge system components, and the flush valve is one of important components in the intelligent flush toilet.

The existing intelligent closestool flushing valve has the following defects that 1, the valve body is large in size, two valve bodies are required to be combined, and the structural utilization optimization rate is low; 2. the traditional intelligent closestool flushing valve has high requirement on water quality and narrow application range; 3. the existing intelligent closestool flushing valve has the problems of unstable flow and high noise in the operation process; 4. the valve core sheet of the flushing valve is made of traditional materials, has short service life and can not be normally used under the influence of high water pressure and low water pressure; 5. the filter screen in the flushing valve needs to be cleaned regularly, time and labor are wasted, and the use burden is increased.

Disclosure of Invention

The invention provides an intelligent back pressure type energy-saving flushing valve, which aims to reduce the volume of a valve body, is convenient to install, enables the flushing valve to be suitable for different water qualities, keeps the flow stable in the operation process of the flushing valve, reduces noise pollution, adopts a novel ceramic chip valve core, prolongs the service life of the valve core, can automatically clean a filter screen and improves the use convenience of the flushing valve.

The specific technical scheme provided by the invention is as follows:

an intelligent counter-pressure type energy-saving flushing valve is installed inside a toilet and comprises a flushing valve main body, a motor, a solenoid valve and a constant pressure valve, wherein the constant pressure valve comprises a four-way water inlet connecting elbow, a gland and an end cover, an assembly space is arranged inside the four-way water inlet connecting elbow, a valve rod is installed in the assembly space, the head end of the valve rod is installed in the four-way water inlet connecting elbow through the gland, a lower pressing sheet, a diaphragm, an upper pressing sheet, a nut and a spring are sequentially arranged on the valve rod, the lower pressing sheet, the diaphragm and the upper pressing sheet are arranged on the valve rod in a penetrating mode and fixed through the nut, a spring sleeve is arranged at the tail end of the valve rod, the upper pressing sheet is tightly attached to the front end of the spring and fixedly installed through the end cover, a water inlet is arranged at the bottom of the four-way water inlet connecting elbow, the one end of flashing valve main part and the installation of constant pressure valve delivery port pair, delivery port A has been seted up to one side of flashing valve main part, delivery port B has been seted up to flashing valve main part bottom, another sealed valve body location water-tight lid that is fixed with of flashing valve main part forms between flashing valve main part and the valve body location water-tight lid and holds the chamber, is equipped with the flashing valve subassembly in the inside that holds the chamber, the motor is installed and is covered at valve body location water-tight, and the power take off end and the flashing valve subassembly of motor are connected.

Furthermore, the flushing valve component comprises a valve driving shaft arranged in the flushing valve main body, the valve driving shaft is connected with the power output of the motor, a waterway switching piece is arranged in the middle of the valve driving shaft, a fixed ceramic valve chip and a rotary ceramic valve chip are sleeved at the tail end of the valve driving shaft, and a push rod seat, a push rod and a compression spring are arranged on the back of the rotary ceramic valve chip.

Furthermore, the middle of the surface of the ejector rod seat is provided with a stand column in a protruding mode, an assembly hole is formed in the inner portion of the ejector rod, the ejector rod is installed on the ejector rod seat through the assembly hole, a limiting ring is arranged at one end of the ejector rod, and after the ejector rod is installed in the compression spring sleeve, one end of the compression spring is tightly attached to the ejector rod seat, and the other end of the compression spring is tightly attached to the limiting ring.

Furthermore, a water sealing rubber ring is arranged between the flushing valve main body and the valve body positioning water sealing cover.

Furthermore, one side of the four-way water inlet connecting elbow extends outwards to form a water passing opening, and the electromagnetic valve is connected with the water passing opening through a connecting piece.

Furthermore, the water inlet filter assembly comprises a water inlet conversion head and a water purification passage filter screen, wherein the water purification passage filter screen is arranged in a water inlet of the four-way water inlet connecting elbow and is fixed by the water inlet conversion head.

Furthermore, the outside of valve body location water seal lid is equipped with the motor mount, the motor is installed on the motor mount, and the output of motor passes valve body location water seal lid and valve drive shaft is connected.

The invention has the following beneficial effects:

1. compared with the traditional combined valve body, the novel flushing valve has the advantages that the size is reduced, the installation is convenient, the four-in-one design of the flushing valve main body, the electromagnetic valve, the motor and the four-way water inlet connecting elbow is adopted, and the integral structure utilization optimization rate of the flushing valve is improved.

2. The flashing valve uses not restricted by water quality, and traditional pulse steady voltage solenoid valve will be equipped with accurate filtration system, and pressure-stabilizing solenoid valve just can normally be used, replaces traditional pulse steady voltage solenoid valve through the backpressure formula flashing valve, and the rivers are direct through the valve opening outflow of fixed ceramic valve core piece and rotatory ceramic valve core piece, and inferior water also can normally be washed, and it is inseparabler under the water pressure effect when ceramic valve core closes moreover, can avoid the emergence of leakage phenomenon.

3. The constant pressure assembly is arranged in the four-way water inlet connecting elbow, so that a constant pressure valve with four-way water inlet is formed, when tap water flows through the valve cavity and the valve rod, the diaphragm can move along with the change of the water pressure to drive the valve rod to move, and the gap between the conical surface of the valve rod and the water passing hole of the valve body changes along with the change of the water pressure, so that the flowing water is always kept in a certain pressure and flow range, the phenomena of overlarge flushing water quantity and overlarge flushing noise caused by overlarge water supply pressure are avoided, the purposes of saving energy and reducing noise are achieved, and meanwhile, the water saving effect is good.

4. The fixed ceramic valve core piece and the rotary ceramic valve core piece are made of aluminum oxide raw materials and are formed by firing at 1300 ℃ at high temperature, the valve core piece with the complete ceramic effect is achieved, the use times reach 50 ten thousand times, meanwhile, the fixed ceramic valve core piece is not influenced by high water pressure and low water pressure, and the fixed ceramic valve core piece and the rotary ceramic valve core piece can be normally used no matter high water pressure or low water pressure.

5. Inside the cross-joint water inlet connection elbow, set up the pipe wall filter screen ingeniously, provide clean running water specially and supply the buttock spray tube to use, when the flashing valve main part was opened, can wash away filter screen inner wall filth along the rivers, need not artifical the washing, improved the convenience in use of flashing valve.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a front cross-sectional view of an embodiment of the present invention;

FIG. 5 is a side cross-sectional view of an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the waterway switching piece and the valve driving shaft after being assembled in accordance with the embodiment of the present invention;

fig. 7 is a schematic view of a flush valve according to an embodiment of the present invention installed in a toilet.

In the figure: 1. a toilet bowl; 101. a toilet cover plate fixing seat; 2. a flush valve body; 201. a water outlet A; 202. a water outlet B; 203. the valve body positions the water sealing cover; 204. a valve drive shaft; 205. a waterway switching piece; 206. fixing the ceramic valve core sheet; 207. rotating the ceramic valve core sheet; 208. a jack rod seat; 209. a top rod; 210. a compression spring; 3. a constant pressure valve; 301. the four-way water inlet is connected with an elbow; 302. a gland; 303. an end cap; 304. a valve stem; 305. pressing the mixture downwards; 306. a membrane; 307. pressing the mixture into tablets; 308. a nut; 309. a spring; 310. a water inlet; 311. a water outlet of the constant pressure valve; 312. a water outlet; 313. a water inlet conversion head; 314. a water purification passage filter screen; 4. a motor; 401. a motor fixing frame; 5, an electromagnetic valve; 6. and a water sealing rubber ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In this embodiment, referring to fig. 1 to 6, an embodiment of the present invention is an intelligent back pressure type energy saving flush valve, which is installed inside a toilet 1, and includes a flush valve main body 2, a motor 4, an electromagnetic valve 5, and a constant pressure valve 3, where the constant pressure valve 3 includes a four-way water inlet connecting elbow 301, a gland 302, and an end cover 303, the four-way water inlet connecting elbow 301 has an assembly space inside, a valve rod 304 is installed in the assembly space, a head end of the valve rod 304 is installed inside the four-way water inlet connecting elbow 301 through the gland 302, the valve rod 304 is sequentially provided with a lower pressing piece 305, a diaphragm 306, an upper pressing piece 307, a nut 308, and a spring 309, the lower pressing piece 305, the diaphragm 306, and the upper pressing piece 307 are inserted into the valve rod 304 and fixed by the nut 308, the spring 309 is sleeved on a tail end of the valve rod 304, a front end of the spring 309, the bottom of four-way water inlet connection elbow 301 is equipped with water inlet 310, and water inlet 310 department installs the filtering component that intakes, four-way water inlet connection elbow 301's upper end one side is equipped with constant pressure valve delivery port 311, the one end of flushometer main part 2 pairs the installation with constant pressure valve delivery port 311, delivery port A201 has been seted up to one side of flushometer main part 2, delivery port B202 has been seted up to flushometer main part 2 bottom, another sealed valve body location water sealing lid 203 that is fixed with of flushometer main part 2, form between flushometer main part 2 and the valve body location water sealing lid 203 and hold the chamber, be equipped with the flushometer subassembly in the inside that holds the chamber, motor 4 installs on valve body location water sealing lid 203, and motor 4's power take.

The flush valve assembly of the present embodiment includes a valve driving shaft 204 disposed in the flush valve main body 2, the valve driving shaft 204 is connected to the power output of the motor 4, the middle of the valve driving shaft 204 is provided with a waterway switching piece 205, the end of the valve driving shaft 204 is sleeved with a fixed ceramic valve chip 206 and a rotary ceramic valve chip 207, and meanwhile, the back of the rotary ceramic valve chip 207 is provided with a push rod seat 208, a push rod 209 and a compression spring 210. The protruding stand that is equipped with in the middle of the surface of ejector pin seat 208, the inside of ejector pin 209 is equipped with the pilot hole, and ejector pin 209 passes through the pilot hole and installs at ejector pin seat 208, the one end of ejector pin 209 is equipped with the spacing ring, and after ejector pin 209 was established to pressure spring 210 cover, the one end that makes pressure spring 210 was hugged closely with ejector pin seat 208, and the other end is hugged closely with the spacing ring. The push rod 209 is pressed against the fixed ceramic valve chip 206 and the rotary ceramic valve chip 207 by the elastic force of the push rod spring 210 by the push rod spring 210 installed between the push rod seat 208 and the push rod 209.

The embodiment of the invention adopts the design of integrating the main body 2 of the flushing valve, the electromagnetic valve 5, the motor 4 and the constant pressure valve 3 into a whole, thereby improving the utilization optimization rate of the whole structure of the flushing valve, leading water flow to directly flow out through the valve holes of the fixed ceramic valve chip 206 and the rotary ceramic valve chip 207, leading inferior water to be flushed normally, leading the ceramic valve core to be more tightly attached under the action of water pressure when being closed, avoiding the leakage phenomenon, leading the diaphragm 306 to move along with the change of the water pressure to drive the valve rod 304 to move, leading the clearance between the conical surface of the valve rod 304 and the water passing hole of the valve body to change along with the change of the water pressure, leading the flowing water to be kept in a certain pressure and flow range all the time, avoiding the phenomena of overlarge flushing water quantity and overlarge flushing noise caused by overlarge water pressure, achieving the purposes of energy saving and noise.

And a water sealing rubber ring 6 is arranged between the flush valve main body 2 and the valve body positioning water sealing cover 203. The connection sealing performance between the flush valve main body 2 and the valve body positioning water sealing cover 203 can be improved through the water sealing rubber ring 6.

One side of four-way water inlet connecting elbow 301 is equipped with water passing opening 312 towards outer extension, solenoid valve 5 passes through the connecting piece and is connected with water passing opening 312.

The water inlet filter assembly comprises a water inlet conversion head 313 and a water purification passage filter screen 314, wherein the water purification passage filter screen 314 is arranged in the water inlet 310 of the four-way water inlet connecting elbow 301 and is fixed by the water inlet conversion head 313.

In addition, the outside of valve body location water seal lid 203 is equipped with motor mount 401, motor 4 installs on motor mount 401, and the output of motor 4 passes valve body location water seal lid 203 and is connected with valve drive shaft 204. The motor fixing frame 401 fixed on the valve body positioning water sealing cover 203 is convenient for later installation or disassembly maintenance.

As shown in fig. 7, the flush valve body 2 of the present embodiment is fixed to the inner side of the rear portion of the toilet 1 through the toilet cover fixing seat 101, then the water outlet a201 of the flush valve body 2 is connected to the flush pipe of the toilet 1, and the water outlet B202 is connected to the down flush pipe of the toilet 1, so that the entire installation and maintenance are convenient.

When the closestool works, the motor 4 drives the valve driving shaft 204 in the valve cavity to rotate, the valve driving shaft 204 simultaneously drives the rotary valve core and the waterway switching piece 205 to rotate, the water valve is opened at the moment, water enters the valve cavity at the moment, the waterway switching piece 205 blocks the water outlet B202 to enable the water to flow towards the water outlet A201 and enter the basin of the closestool 1 to wash and clean the wall of the basin of the closestool 1, the motor 4 continuously operates to drive the rotary valve core and the waterway switching piece 205 to continuously rotate at the moment, the valve is still in an open state at the moment, the waterway switching piece 205 blocks the water outlet A201 and simultaneously opens the water outlet B202 to enable the water to enter the pipeline of the closestool 1, sewage in the basin of the closestool 1 is flushed into the sewage pipeline to achieve a flushing effect, after the closestool 1 is flushed, the motor 4 starts to reversely rotate to drive the rotary ceramic valve core piece 207 and the waterway switching piece 205 to block the water outlet B202, and the waterway switching piece 205 blocks, make delivery port A201 go out water to the toilet bowl gets into the moisturizing state, makes the toilet bowl reach the water and seals off smelly effect, and the moisturizing is accomplished the back, and motor 4 continues to rotate, makes the valve close. Compared with the traditional combined valve body, the novel flushing valve has the advantages that the size is reduced, the installation is convenient, the design of four-in-one of the main body 2 of the flushing valve, the electromagnetic valve 5, the motor 4 and the constant pressure valve 3 is adopted, the integral structure utilization optimization rate of the flushing valve is improved, the use of the flushing valve is not limited by water quality, the traditional intelligent closestool pulse electromagnetic valve is provided with a precise filtering system, the electromagnetic valve can be normally used, the traditional pulse electromagnetic valve is replaced by a back pressure type flushing valve, water flows out directly through valve holes of the fixed ceramic valve chip 206 and the rotary ceramic valve chip 207, poor water can be normally flushed, the ceramic valve core is adhered under the action of water pressure when being closed, the leakage phenomenon can be avoided, the constant pressure valve 3 is composed of components arranged in the four-way water inlet connecting elbow 301 and the four-way water inlet connecting elbow 301, when tap water flows through the valve cavity, the diaphragm 306 can move along with the change of the water pressure, drives the valve rod 304 to move, and the clearance between the conical surface of the valve rod 304 and the water hole of the valve body changes along with the change of the water pressure, so that the flowing water is always kept in a certain pressure and flow range, the phenomenon that the flushing water quantity is too large and the flushing noise is too large due to the too large water supply pressure is avoided, the purposes of energy saving and noise reduction are achieved, and a good water saving effect is achieved. Fixed ceramic valve chip 206 and rotatory ceramic valve chip 207 use aluminium oxide raw and other materials, fire through 1300 degrees high temperature and form, reach the valve chip of complete vitrification effect, the number of times of use reaches 50 ten thousand, do not receive high water pressure simultaneously, low water pressure's influence, no matter high low water pressure, normal use can all be carried out, inside four-way water inlet connection elbow 301, the ingenious pipe wall filter screen that sets up, it supplies the buttock spray tube to use to provide clean running water specially, when flushometer main part 2 is opened, can wash away filter screen inner wall filth with the rivers, need not artifical the washing, the convenience in use of flushometer has been improved. The flushing valve main body 2 is conveniently installed inside the toilet bowl 1 through the toilet cover fixing seat 101 fixed inside the toilet bowl 1 and the toilet cover fixing seat 101. The motor 4 can be conveniently installed and fixed by the motor fixing frame 401 fixed on the surface of the valve body positioning water sealing cover 203. The push rod 209 is pressed against the fixed ceramic valve chip 206 and the rotary ceramic valve chip 207 by the elastic force of the push rod spring 210 by the push rod spring 210 installed between the push rod seat 208 and the push rod 209. The connection sealing performance between the flush valve main body 2 and the valve body positioning water sealing cover 203 can be improved through the water sealing rubber ring 6.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.