CN217782267U

CN217782267U - Toilet flushing valve

Info

Publication number: CN217782267U
Application number: CN202221697916.3U
Authority: CN
Inventors: 林宗清; 阮少群
Original assignee: BST (ZHONGSHAN) PLUMBING Inc
Current assignee: BST (ZHONGSHAN) PLUMBING Inc
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-11
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a closestool flushing valve, including drive arrangement, the shell body, install the washing valve cavity body shell in the shell body, install in washing valve cavity body shell and connect drive arrangement's rotation valve body, and install the fixed valve block of washing valve cavity body shell lower part, in using, rivers get into in the cavity through the water inlet that washes valve cavity body shell from the inlet tube of shell body, the rotary valve block under the control of step motor, the last outlet pipe of punching the upper water pipe of flow direction in proper order with down the outlet pipe of punching, this process mainly realizes through the relative rotation of rotary valve block with fixed valve block, under step motor drives, quicker response, it is more smooth when making rivers get into the outlet pipe, the loss is less energy, the flushing effect is better, only remain main water route control water route, do not have the problem that the valve did not intake or stagnant water became invalid.

Description

Toilet flushing valve

Technical Field

The utility model relates to a closestool technical field especially relates to a closestool flushometer.

Background

At present, toilets in the market are mainly classified into toilets with water tanks and toilets without water tanks. The water tank of the closestool with the water tank needs to store enough water before use, the flushing water quantity used each time is fixed, and the water stored in the water tank needs to be waited between flushing water each time, so that the closestool with the water tank is inconvenient to use; in addition, the water tank additionally occupies the space around the closestool, and after the water tank is used for a long time, bacteria are easy to breed or peculiar smell is easy to emit to pollute the toilet.

The opening and closing mode of water inlet of the toilet without the water tank is mainly controlled by a valve, wherein the control of the valve is mechanical and electronic. Electronic valves of the existing intelligent closestool are generally electromagnetic valves, water inlet pipes of the electronic valves are directly connected with a tap water pipe, an electromagnetic flushing valve is required to control two water outlet paths, a piston in a cavity is controlled by an electromagnet to realize the closing and opening of different water paths, the control water paths in the cavity are fine, the directions of main water paths are variable, and more energy is lost when water flows pass through the cavity and the valve, so that the valve is easy to accumulate scale and silt, the flushing force of the closestool is insufficient, and the better flushing effect can be achieved only by needing higher water pressure of tap water; in addition, the control water path is easy to accumulate scale and block, the working process of the piston is influenced by electromagnetic force, reset spring force and water pressure, and water cannot enter or water stop failure is easy to cause after long-term use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a closestool flushometer that rivers energy loss is less, the washing power is great, and valve department is difficult for gathering incrustation scale and silt.

The utility model discloses a solve its technical problem and the technical scheme who adopts is:

the utility model provides a closestool flushometer, its characterized in that, includes drive arrangement, shell body, connects drive arrangement's the rotation valve body, with rotation valve body complex fixed valve block, the rotation valve body includes rotatory valve block, be provided with the breach that enables rivers and pass through on the rotatory valve block, be provided with first circulation mouth and the second circulation mouth and the sealing of lining up on the fixed valve block, the shell body includes inlet tube, first outlet pipe and the second outlet pipe with water piping connection, first outlet pipe switches on with first circulation mouth, second outlet pipe and second circulation mouth switch on.

The support shell is installed in the shell body, the support shell includes upper bracket shell and connects the support base in upper bracket shell lower part.

The upper bracket shell has a cavity, a water inlet and a clamping interface, wherein the water inlet is arranged on the outer wall of the upper bracket shell and is communicated with the water inlet pipe, the clamping interface is arranged at the lower end of the upper bracket shell, the bracket base is provided with a clamping piece matched with the clamping interface in a clamping way, and the outer shell is connected with the upper bracket shell by adopting a threaded structure.

The fixed valve block is a flat cylinder, the fixed valve block comprises a first semicircular plate and a second semicircular plate, the first circulation port and the second circulation port are symmetrically arranged on the first semicircular plate, the first circulation port and the second circulation port are fan-shaped holes with the same size, and the sealing part is arranged on the second semicircular plate.

The fixed valve block is installed on the support base, a positioning block is arranged on the support base, and a positioning groove which is used for being matched with the positioning block and limiting the rotation of the fixed valve block is formed in the edge of the fixed valve block.

The rotary valve body is installed in the support shell and comprises a rotary shaft, a connecting sleeve used for synchronously driving the rotary valve plates to rotate is sleeved outside the rotary shaft, a convex block is arranged on the lower portion of the connecting sleeve, a boss is arranged on the upper portion of each rotary valve plate, and a groove which is matched with the convex block and can transmit torque of the rotary shaft and drive the rotary valve plates to rotate is formed in the edge of the boss.

The rotary valve plate is a flat cylinder, the notch is fan-shaped and penetrates through the boss on the rotary valve plate, and the fan-shaped notch can be aligned with the first circulation port and the second circulation port to form a water flow passage.

The first water outlet pipe is connected with an upper flushing water outlet pipe of the closestool, and the second water outlet pipe is connected with a lower flushing water outlet pipe of the closestool.

Preferably, the upper flushing water outlet pipe and the lower flushing water outlet pipe can be freely paired with the first circulation port and the second circulation port respectively, and the function of the upper flushing water outlet pipe and the lower flushing water outlet pipe is realized mainly according to the sequence of the communication under the control of the set stepping motor.

The driving device is a stepping motor, and controls the rotation of the rotary valve plate to be located at three different positions through programming of the stepping motor, so that the rotary valve plate and the fixed valve plate form a valve with three states, namely the opening of the first circulation port, the opening of the second circulation port and the closing of all the passages.

The utility model has the advantages that:

when the closestool flushing valve is used, water flow enters the cavity from the water inlet pipe of the outer shell, and under the drive of the programmable stepping motor, firstly, the notch of the rotary valve plate rotates from the closed part facing the fixed valve plate to the first circulation port, and at the moment, the water flow enters the upper flushing water outlet pipe of the closestool from the notch through the first circulation port, so that the flushing of the peripheral flushing ring of the closestool is realized; after the flushing of the flushing ring is finished, the notch of the rotary valve plate moves to face the second circulation port, and at the moment, water flows into the lower flushing water outlet pipe of the closestool from the notch through the second circulation port, so that the flushing and the draining of dirt in the closestool are realized; thirdly, the reversing valve plate returns to the first circulation port, and water continues to flow out of the upper flushing water pipe to meet the requirement of water replenishing and sealing of the closestool so as to isolate odor; and finally, reversing the closed part of the fixed valve plate to close the valve. The process is mainly realized by the relative rotation of the rotary valve plate and the fixed valve plate, and the water flow flushing device can respond quickly under the driving of the stepping motor, so that the water flow enters the water outlet pipe smoothly, the energy is lost less, and the flushing effect is better.

Compare traditional solenoid valve, this structure does not need the control water route, only remains main water route, and main water route simple structure is direct, the resistance is littleer, also can accomplish the closestool and wash under the lower condition of water pressure ratio, and on the other hand, removal in control water route makes spare part reduce, and overall structure obtains simplifying, compares traditional solenoid valve. The problem that the valve cannot enter water or the water stop fails due to the fact that the control waterway is blocked and fails does not exist.

The rotary valve plate and the fixed valve plate are made of ceramic plates, so that the rotary valve plate and the fixed valve plate have good wear-resisting and stain-resisting effects, and when the valve is in a closed state, the water pressure in the cavity acts on the upper surface of the rotary valve plate, the circumferential wall of the boss and the inner wall of the bracket shell.

Drawings

FIG. 1 is a schematic diagram of a toilet flush valve;

FIG. 2 is a schematic structural view of the outer housing and the bracket housing after disassembly;

FIG. 3 is a schematic structural view of a stent shell;

FIG. 4 is a schematic structural view of the bracket base and the upper bracket shell after disassembly;

FIG. 5 is a schematic view of the structure of the rotary valve body;

FIG. 6 is an exploded view of the rotary valve body, the stationary valve plate, and the bracket base;

FIG. 7 is a schematic structural view of a rotary valve plate;

FIG. 8 is a schematic view of the structure of the fixed valve plate.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 2, fig. 4, fig. 5, fig. 7 and fig. 8, the utility model provides a toilet flushing valve, including drive arrangement 2, shell body 1, the rotation valve body 5 of connecting drive arrangement 2, with rotation valve body 5 complex fixed valve plate 4, rotation valve body 5 includes rotary valve plate 50, be provided with the breach 500 that enables rivers to pass through on the rotary valve plate 50, be provided with the first circulation mouth 40 and the second circulation mouth 41 and the seal 42 that link up on the fixed valve plate 4, shell body 1 includes inlet tube 10, first outlet pipe 12 and the second outlet pipe 11 with water piping connection, first outlet pipe 12 switches on with first circulation mouth 40, second outlet pipe 11 and second circulation mouth 41 switch on.

Referring to fig. 4, a rack housing 3 is installed in the outer housing 1, and the rack housing 3 includes an upper rack housing 31 and a rack base 30 connected to a lower portion of the upper rack housing 31.

Referring to fig. 3, upper bracket shell 31 has cavity 7, sets up at the outer wall of upper bracket shell 31 and the water inlet 311 that switches on with inlet tube (10) and sets up at the joint interface 312 of upper bracket shell 31 lower extreme, support base 30 is provided with and connects complex joint spare 300 with joint interface 312 joint, shell body 1 adopts helicitic texture 13 to be connected with upper bracket shell 31.

Referring to fig. 8, the fixed valve plate 4 is a flat cylinder, the fixed valve plate 4 includes a first semicircular plate and a second semicircular plate, the first circulation port 40 and the second circulation port 41 are symmetrically disposed on the first semicircular plate and both are fan-shaped holes with the same size, and the sealing portion 42 is disposed on the second semicircular plate.

Referring to fig. 6, the fixed valve plate 4 is installed on the bracket base 30, a positioning block 301 is disposed on the bracket base 30, and a positioning groove 43 for matching with the positioning block 301 and limiting the rotation of the fixed valve plate 4 is disposed at the edge of the fixed valve plate 4.

Referring to fig. 5 and 6, the rotary valve body 5 includes a rotary shaft 52, the rotary valve body 5 is installed in the bracket shell 3, a connecting sleeve 51 for synchronously driving the rotary valve plate 50 to rotate is sleeved outside the rotary shaft 52, a protrusion 510 is arranged on the lower portion of the connecting sleeve 51, a boss 502 is arranged on the upper portion of the rotary valve plate 50, and a groove 501 which is matched with the protrusion 510 and can transmit the torque of the rotary shaft 52 and drive the rotary valve plate 50 to rotate is arranged on the edge of the boss 502.

Referring to fig. 7, the rotating valve plate 50 is a flat cylinder, the notch 500 is fan-shaped and penetrates through the boss 502 of the rotating valve plate 50, and the fan-shaped notch 500 can form a water flow passage with the first circulation port 40 and the second circulation port 41.

The first water outlet pipe 12 is connected with an upper flushing water outlet pipe of the closestool, and the second water outlet pipe 11 is connected with a lower flushing water outlet pipe of the closestool.

Further, in the actual use process, the conduction relations of the upper flushing water pipe 12, the lower flushing water pipe 11, the first circulation port 40 and the second circulation port 41 can be freely matched, and the realization of the function is mainly determined according to the conduction sequence under the control of the set stepping motor.

Preferably, the driving device 2 is a stepping motor, and the rotation of the rotary valve plate 50 is controlled by programming of the stepping motor to be located at three different positions, so as to form a valve with three states with the fixed valve plate 4, namely, the opening of the first circulation port 40, the opening of the second circulation port 41, and the closing of all the passages.

Further, in the use process of the toilet flushing valve, water flows into the cavity 7 from the water inlet pipe 10 of the outer shell 1, and under the driving of the programmable stepping motor, firstly, the notch 500 of the rotary valve plate 50 rotates from the closed part 42 facing the fixed valve plate 4 to the first circulation port 40, and at the moment, the water flows into the upper flushing pipe of the toilet through the first circulation port 40 from the notch, so that the flushing of the peripheral flushing ring of the toilet is realized; after the flushing of the brush ring is finished, the notch of the rotary valve plate 50 moves to face the second circulation port 41, and at the moment, water flow enters the lower flushing water outlet pipe of the closestool from the notch through the second circulation port 41, so that flushing and discharging of dirt in the closestool are realized; thirdly, the reversing valve plate returns to the first circulation port 40, and water continues to flow out of the upper flushing water pipe to meet the requirement of water replenishing and sealing of the closestool so as to isolate odor; finally the closure 42, which is reversed back to the fixed valve plate 4, closes the valve. The process is mainly realized by the relative rotation of the rotary valve plate 50 and the fixed valve plate 4, and under the driving of the stepping motor, the valve plate responds quickly, so that the water flow is smoother when entering the water outlet pipe, the energy is less lost, and the flushing effect is better.

Further, compare traditional solenoid valve, this structure does not need the control water route, only remains main water route, and main water route simple structure is direct, the resistance is littleer, also can accomplish the closestool and wash under the lower condition of water pressure ratio, and on the other hand, removal in control water route makes spare part reduce, and overall structure obtains simplifying, compares traditional solenoid valve. The problem that the valve cannot enter water or the water stop fails due to the fact that the control waterway is blocked and fails does not exist.

Furthermore, the rotary valve plate 50 and the fixed valve plate 4 are made of ceramic plates, so that the rotary valve plate has good wear-resisting and stain-resisting effects, and when the valve is in a closed state, the water pressure in the cavity 7 acts on the upper surface of the rotary valve plate 50, the circumferential wall of the boss 502 and the inner wall of the bracket shell 2.

Claims

1. The utility model provides a closestool flushometer, its characterized in that, including drive arrangement (2), shell body (1), the rotation valve body (5) of connecting drive arrangement (2), with rotation valve body (5) complex fixed valve block (4), rotation valve body (5) are including rotary valve block (50), be provided with on rotary valve block (50) and enable breach (500) that rivers passed through, be provided with first circulation opening (40) and second circulation opening (41) and sealing (42) that link up on fixed valve block (4), shell body (1) includes inlet tube (10), first outlet pipe (12) and second outlet pipe (11) with water piping connection, first outlet pipe (12) switch on with first circulation opening (40), second outlet pipe (11) and second circulation opening (41) switch on.

2. A toilet flushing valve according to claim 1, characterized in that a bracket shell (3) is mounted in the outer housing (1), the bracket shell (3) comprising an upper bracket shell (31) and a bracket base (30) connected to the lower part of the upper bracket shell (31).

3. A toilet bowl flushing valve according to claim 2, characterized in that the upper bracket shell (31) is provided with a cavity (7), a water inlet (311) which is arranged on the outer wall of the upper bracket shell (31) and communicated with the water inlet pipe (10), and a clamping interface (312) which is arranged at the lower end of the upper bracket shell (31), the bracket base (30) is provided with a clamping piece (300) which is in clamping fit with the clamping interface (312), and the outer shell (1) and the upper bracket shell (31) are connected by a thread structure (13).

4. A toilet flushing valve according to claim 1, characterized in that the fixed valve plate (4) is a flat cylinder, the fixed valve plate (4) comprises a first semicircular plate and a second semicircular plate, the first circulation port (40) and the second circulation port (41) are symmetrically arranged on the first semicircular plate and are both fan-shaped holes with the same size, and the closing part (42) is arranged on the second semicircular plate.

5. A toilet flushing valve according to claim 2, characterized in that the fixed valve plate (4) is mounted on a bracket base (30), a positioning block (301) is arranged on the bracket base (30), and a positioning groove (43) which is used for matching with the positioning block (301) and can limit the rotation of the fixed valve plate (4) is arranged at the edge of the fixed valve plate (4).

6. The toilet flushing valve according to claim 1, wherein the rotary valve body (5) is installed in the bracket shell (3), the rotary valve body (5) comprises a rotary shaft (52), a connecting sleeve (51) for synchronously driving the rotary valve plate (50) to rotate is sleeved outside the rotary shaft (52), a convex block (510) is arranged on the lower portion of the connecting sleeve (51), a boss (502) is arranged on the upper portion of the rotary valve plate (50), and a groove (501) which is matched with the convex block (510) and can transmit the torque of the rotary shaft (52) and drive the rotary valve plate (50) to rotate is arranged on the edge of the boss (502).

7. A toilet flushing valve according to claim 6, characterized in that the rotary valve plate (50) is a flat cylinder, and the notch (500) is fan-shaped and extends through a boss (502) on the rotary valve plate (50).

8. A toilet flushing valve according to claim 1, characterised in that the first outlet pipe (12) is connected to an upper flushing outlet pipe of the toilet and the second outlet pipe (11) is connected to a lower flushing outlet pipe of the toilet.

9. A toilet flushing valve according to claim 1, characterised in that the drive means (2) is a stepper motor.