CN220644489U - Toilet flushing device with independent pressure relief and pressure stabilization unit - Google Patents

Abstract

The utility model discloses a toilet flushing device with an independent pressure-relief pressure-stabilizing unit, which generally comprises a pressure-stabilizing valve, wherein a first cavity, a tubular valve core, a plugging part and other parts of the pressure-stabilizing valve are combined to form the independent pressure-stabilizing unit, and a second cavity, a closing cover, a leakage pipe and other parts are combined to form the independent pressure-relief unit, so that the pressure-stabilizing valve has small influence on pressure stabilization and pressure relief, the pressure-stabilizing and pressure-relief states are more stable, and water in the same place can act on the tubular valve core and the closing cover by utilizing a water through hole, so that two states of a pressure-stabilizing state and a pressure-relief state can be realized along with the change of water pressure in the place. That is, by modifying the internal structure of the pressure stabilizing valve in the flushing device, the flushing device not only can smoothly realize pressure stabilization and pressure relief, but also can stabilize each state when pressure stabilization and pressure relief are carried out, and the product quality is improved.

Description

Toilet flushing device with independent pressure relief and pressure stabilization unit

Technical Field

The utility model relates to the technical field of toilet water parts, in particular to a toilet flushing device with an independent pressure relief and stabilization unit.

Background

The basic part of the inner comparison core of the toilet is provided with a flushing device, the quality of the flushing device is related to the overall quality of the toilet, the flushing device of the toilet generally comprises a water inlet pipe, a water delivery pipe fitting, a drain valve and a spray head, in order to ensure that the water pressure of water flow in the water delivery pipe fitting is kept stable, and a pressure stabilizing valve can be timely released when the water pressure is too high to cause bursting, but a pressure releasing structure and a pressure stabilizing structure in the existing pressure stabilizing valve can be mutually influenced, when an opening and closing moving part of the pressure releasing structure moves, the opening and closing moving part of the pressure stabilizing structure also moves along with the pressure stabilizing structure, so that the pressure stabilizing state and the pressure releasing state of the pressure stabilizing valve are not stable enough, and the unstable pressure stabilizing valve and the unstable pressure releasing state of the pressure stabilizing valve can lead to unstable pressure stabilizing state and the pressure releasing state of water flow in the whole toilet flushing device, thereby influencing the stability of the toilet flushing device when the toilet is used, and reducing the quality of the toilet flushing device.

Therefore, by modifying the internal structure of the pressure stabilizing valve of the toilet flushing device, the flushing device can improve the stability of the pressure stabilizing and pressure releasing states on the premise of realizing the functions of pressure stabilizing and pressure releasing along with the change of water pressure, and the problem to be solved by people is urgent.

Disclosure of Invention

Aiming at the prior art, the utility model aims to provide a toilet flushing device with an independent pressure-relief and pressure-stabilizing unit, which improves the stability of pressure-stabilizing and pressure-relief states on the premise that the device can realize pressure-stabilizing and pressure-relief functions along with water pressure changes by modifying the internal structure of a basic part (a pressure-stabilizing valve) of the toilet flushing device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the toilet flushing device comprises a pressure stabilizing valve, wherein the pressure stabilizing valve comprises a first cavity, a water inlet pipe, a water outlet pipe and a drainage pipe are communicated with the first cavity, the drainage pipe is arranged between the water inlet pipe and the water outlet pipe, the water outlet pipe is connected with a water tank through a first pipe fitting, the water tank is connected with a first drainage valve, the first drainage valve is connected with a main flushing water spray head through a second pipe fitting, the water outlet pipe is connected with a second drainage valve through a third pipe fitting, the second drainage valve is connected with a brush ring flushing spray head through a fourth pipe fitting, the inner side wall of the first cavity is slidably provided with a tubular valve core used for enabling water to flow from the water inlet pipe to the water outlet pipe, the outer side surface of the tubular valve core is fixedly connected with a blocking piece used for blocking the water flow from the outer side of the tubular valve core to the water inlet pipe, the blocking piece is close to the water outlet pipe, a blocking part is fixedly connected in the first cavity, the outer side surface of the tubular valve core is fixedly connected with a second cavity, the tubular valve core is provided with a hole used for enabling water flow from the inner side of the tubular valve core to the second cavity, the second cavity is provided with a water flow opening and the second cavity is provided with a water flow opening, and the second cavity is provided with a sealing cover for sealing an opening; when the water pressure at one end of the tubular valve core, which is close to the water outlet pipe, exceeds F1, the tubular valve core slides towards the plugging part under the action of the water pressure until the water inlet end of the tubular valve core is abutted to the plugging part and is closed by the plugging part, so that the pressure stabilization is completed; when the water pressure at one end of the tubular valve core, which is close to the water outlet pipe, exceeds F2 and F2 is greater than F1, water in the tubular valve core enters the second cavity through the water passing hole and pushes the movable sealing cover to move towards the direction away from the opening, and the opening is opened to finish pressure relief.

Through adopting above-mentioned technical scheme, rivers are from beginning to flow to first cavity through the intake pipe, the water in the first cavity flows to the tubular case inside through the water inlet end of tubular case, then the inside water of tubular case rethread tubular case goes out the water end and flows to the outlet pipe in, if at this moment first drain valve is in the open state, then the water in the outlet pipe can pass through first pipe fitting, the water tank, first drain valve, the second pipe fitting in proper order, finally spout from main flushing water shower nozzle, be used for main flushing water, if the second drain valve is in the open state, then the water in the outlet pipe can pass through third pipe fitting in proper order, the second drain valve, fourth pipe fitting, finally spout from brush circle flushing water shower nozzle, be used for brush circle bath.

When the water pressure at one end of the tubular valve core, which is close to the water outlet pipe, exceeds F1, the tubular valve core slides towards the plugging part under the pushing action of the water pressure until the water inlet end of the tubular valve core is abutted to the plugging part, at the moment, the water inlet end of the tubular valve core is completely closed by the plugging part, and high-pressure water, which can enable the water pressure at one end of the tubular valve core, which is close to the water outlet pipe, to exceed F1, in the water inlet pipe cannot flow to the water outlet pipe continuously through the tubular valve core, so that the water pressure in the water outlet pipe is maintained stable, and the water pressure of water flowing to the main flushing water spray head and/or the brushing ring flushing water spray head is stable.

When the water pressure at one end of the tubular valve core, which is close to the water outlet pipe, exceeds F2, the tubular valve core can slide towards the plugging part under the pushing action of the water pressure until the water inlet end of the tubular valve core is completely closed by the plugging part and no water is fed in, water in the tubular valve core can flow into the second cavity through the water passing hole, the water pressure in the second cavity pushes the movable sealing cover to move towards the direction away from the opening, the opening is opened, the opening is communicated with the second cavity and the first cavity, so that water in the second cavity flows out from the opening to the first cavity and then flows out from the pressure relief pipe, pressure relief is completed, and the possibility of bursting of the flushing device is reduced.

In the prior art, in the pressure stabilizing valve, an opening and closing moving part of a pressure stabilizing structure and an opening and closing moving part of a pressure releasing structure are directly connected together, that is to say, when the opening and closing moving part of the pressure releasing structure is moved to open the pressure releasing structure, the opening and closing moving part of the pressure stabilizing structure can move along with the opening and closing moving part of the pressure stabilizing structure, in order to ensure that the opening and closing moving part of the pressure stabilizing structure is still in a closed pressure stabilizing state when moving, a sealing block for sealing the opening and closing moving part also needs to move simultaneously with the opening and closing moving part of the pressure stabilizing structure, in the process of simultaneously moving the opening and closing moving part of the pressure stabilizing structure and the sealing block, the pressure stabilizing state is easily unstable due to slight separation and collision between the opening and closing moving part of the pressure stabilizing structure and the sealing block, the pressure stabilizing valve is redesigned by the scheme, under the premise that the pressure stabilizing and pressure releasing function of the pressure stabilizing valve can normally operate, when the sealing cover moves towards the direction far away from an opening, the sealing part is abutted against the sealing part, and the sealing part is fixedly connected in a first cavity, so that the sealing cover moves towards the direction far away from the opening, the opening is not influenced by the sealing part, and the sealing valve core is not moved along with the opening. The pressure stabilizing state and the pressure release state of the pressure stabilizing valve are more stable, and the flushing device realizes the pressure stabilization and the pressure release of water flow through the pressure stabilizing valve, so the flushing device has better stability and better product quality during pressure stabilization and pressure release.

Further, a first spring is sleeved on the outer side face of the tubular valve core, one end of the first spring is fixedly connected with the blocking piece, and the other end of the first spring is fixedly connected with the first cavity close to the blocking portion.

Through adopting above-mentioned technical scheme, when the tubular valve core moved towards the shutoff portion, need overcome the elasticity of first spring, and when the tubular valve core is close to the rivers pressure of outlet pipe one end and reduces to certain degree, this tubular valve core resumes initial position under the elasticity effect of first spring, and the setting of first spring makes tubular valve core can resume normal position under certain condition, convenient reuse.

Further, the outer side face of the second cavity is fixedly connected with an L-shaped reset piece bearing part, the reset piece bearing part is formed by connecting a long plate and a short plate, one end, far away from the short plate, of the long plate is fixedly connected with the outer side face of the second cavity, the short plate is located in the direction, far away from the opening, of the closing cover, and the short plate is opposite to the opening.

Through adopting above-mentioned technical scheme, set up the piece that resets of L type and accept the portion in first cavity suitable position, make things convenient for the later stage to accept the portion and set up other reset pieces that are used for recovering and remove closing cap initial position at reset.

Further, a second spring is arranged between the movable closing cover and the short plate, one end of the second spring is abutted to the short plate, and the other end of the second spring is abutted to the movable closing cover.

Through adopting above-mentioned technical scheme, when the removal closing cap is moved towards the direction of keeping away from the opening, need overcome the elasticity of second spring, and when the water pressure of second cavity reduces to a certain extent, this removal closing cap resumes initial position under the elasticity effect of second spring, closes the opening promptly again, makes things convenient for reuse next time.

Further, a fifth pipe fitting for communicating the second pipe fitting and the fourth pipe fitting is arranged between the second pipe fitting and the fourth pipe fitting.

Through adopting above-mentioned technical scheme, utilized the fifth pipe fitting to have linked together second pipe fitting and fourth pipe fitting, just so when just so making the second pipe fitting lead to water, partial rivers in the second pipe fitting can flow to in the fourth pipe fitting through the fifth pipe fitting for flow through the fourth pipe fitting and follow brush circle bath shower nozzle department spun rivers, its washing strength reinforcing.

Compared with the prior art, the utility model has the beneficial effects that:

through redesigning the structure of steady voltage and pressure release effect among the flushing device, form independent pressure release and steady voltage unit, under the prerequisite that satisfies flushing device can realize steady voltage and pressure release function along with the water pressure change, promote steady voltage and pressure release state's stability to promote flushing device product quality.

Drawings

FIG. 1 is an overall schematic diagram of the present embodiment;

FIG. 2 is an exploded view of the pressure regulating valve of the present embodiment;

fig. 3 is a sectional view of the pressure stabilizing valve of the present embodiment in an initial state;

fig. 4 is a sectional view of the pressure stabilizing valve of the present embodiment in a pressure stabilizing state;

fig. 5 is a cross-sectional view of the tubular valve of the present embodiment in a depressurized state.

Reference numerals: 1. a pressure stabilizing valve; 2. a first cavity; 3. a water inlet pipe; 4. a water outlet pipe; 5. a bleeder tube; 6. a first pipe fitting; 7. a water tank; 8. a first drain valve; 9. a second pipe fitting; 10. a main flushing water spray head; 11. a third pipe fitting; 12. a second drain valve; 13. a fourth pipe fitting; 14. a fifth pipe fitting; 15. opening a valve; 16. a time delay valve; 17. an anti-siphon valve; 18. flushing spray heads with brush rings; 19. a tubular valve core; 20. a blocking member; 21. a blocking part; 22. a second cavity; 23. an opening; 24. a water passing hole; 25. moving the closure cap; 26. a first spring; 27. a reset piece receiving part; 28. a long plate; 29. a short plate; 30. and a second spring.

Description of the embodiments

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

The terms "first," "second," or "third," etc. are used herein to distinguish between different objects and not to describe a particular sequence.

The use of directional terms such as "upper", "lower", "left", "right", etc. in accordance with the present utility model are based on the directional and positional relationships shown in the drawings and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed to limit the specific scope of the present utility model.

The term "fixedly connected" as used herein is to be construed broadly, i.e., any manner of connection between the two that does not undergo displacement or relative rotation during use.

The term "threaded connection" as used herein is to be understood in a broad sense, that is, a connection manner in which two or more parts are connected together by means of mutual engagement forces between threads, and tools such as screws and bolts may be used as parts for screwing two parts together.

Referring to fig. 1 and 2, a toilet flushing device with an independent pressure relief and pressure stabilization unit comprises a pressure stabilization valve 1, wherein the pressure stabilization valve 1 comprises a first cavity 2, the first cavity 2 is communicated with a water inlet pipe 3, a water outlet pipe 4 and a drainage pipe 5, the drainage pipe 5 is arranged between the water inlet pipe 3 and the water outlet pipe 4, the water outlet pipe 4 is connected with a water tank 7 through a first pipe fitting 6, the water tank 7 is connected with a first drainage valve 8, the first drainage valve 8 is connected with a main flushing water spray head 10 through a second pipe fitting 9, before use, water pumped by any pumping device sequentially enters the water inlet pipe 3, the first cavity 2 and the water outlet pipe 4 and is injected into the water tank 7 through the first pipe fitting 6, after the first drainage valve 8 is opened, water in the water tank 7 flows out from the main flushing water spray head 10 through the first drainage valve 8 and the second pipe fitting 9, and main flushing water is finally carried out.

The water outlet pipe 4 can be connected with a second water discharge valve 12 through a third pipe fitting 11, and the second water discharge valve 12 is connected with a brush ring flushing nozzle 18 through a fourth pipe fitting 13. Before use, water pumped by any pumping device not only fills the water inlet pipe 3, the first cavity 2, the water outlet pipe 4, the first pipe fitting 6 and the water tank 7, but also fills the third pipe fitting 11, when the second drain valve 12 is opened, water in the third pipe fitting 11 can flow out from the brush ring flushing nozzle 18 through the second drain valve 12 and the fourth pipe fitting 13, and brush ring flushing is performed.

The first drain valve 8 and the second drain valve 12 are conventional mechanical drain valves in the toilet water piece field, and in order to open the second drain valve 12 more conveniently, a back pressure cavity of the second drain valve 12 is connected with an opening valve 15 through a pipeline, when the toilet water piece is used, a user manually opens the opening valve 15, water in the back pressure cavity of the second drain valve 12 flows out through the pipeline and the opening valve 15, water pressure in the back pressure cavity of the second drain valve 12 is reduced, and therefore a moving part in the second drain valve 12 moves under the action of water pressure difference, so that the second drain valve 12 is opened.

In order to enable the first drain valve 8 to be opened automatically after the second drain valve 12 has been opened for a period of time, a time delay valve 16 may also be provided between the first drain valve 8 and the second drain valve 12.

In order to reduce the backflow phenomenon of the water flow from the second pipe member 9 or the fourth pipe member 13 when the flushing is completed and the toilet is blocked, the anti-siphon valve 17 may be installed on both the second pipe member 9 and the fourth pipe member 13.

In order to enable part of the water in the second pipe fitting 9 to flow into the fourth pipe fitting 13 after the second drain valve 12 is opened and enhance the flushing force of the brush ring flushing, a fifth pipe fitting 14 for communicating the second pipe fitting 9 and the fourth pipe fitting 13 may be provided between the second pipe fitting 9 and the fourth pipe fitting 13.

Referring to fig. 3, 4 and 5, in order to improve stability of the pressure stabilizing valve 1 during pressure stabilizing and pressure releasing, the internal structure of the conventional pressure stabilizing valve 1 is redesigned, a tubular valve core 19 for water flowing from the water inlet pipe 3 to the water outlet pipe 4 is slidably arranged on the inner side wall of the first cavity 2, one end of the tubular valve core 19 close to the water inlet pipe 3 is used for water flowing into the tubular valve core 19, the end is called a water inlet end of the tubular valve core 19, one end of the tubular valve core 19 close to the water outlet pipe 4 is used for water flowing out of the tubular valve core 19, the outer side surface of the tubular valve core 19 is fixedly connected with a blocking piece 20 for blocking water flowing from the outer side of the tubular valve core 19 to the water inlet pipe 3, the blocking piece 20 is close to the water outlet pipe 4, the blocking piece 20 can be a ring, the inner side of the ring is fixedly connected with the outer side surface of the tubular valve core 19, the outer side surface of the ring is abutted against the inner side surface of the first cavity 2, so that water flowing from the water inlet pipe 3 to the water outlet pipe 4 can only reach the tubular valve core 19 directly, and can not act on the tubular valve core 19 directly from the water outlet pipe 4. The sealing part 21 is fixedly connected in the first cavity 2, the sealing part 21 is close to the water inlet pipe 3, when the sealing part 21 is fixedly connected with the first cavity 2, the sealing block is preferably not required to block the water inlet pipe 3, if the sealing part 21 is required to block the water inlet pipe 3 because of narrow space of the first cavity 2 and the like, a water flow channel is required to be formed, so that before the pressure stabilizing valve 1 does not stabilize, water can smoothly flow from the water inlet pipe 3 to the inside of the tubular valve core 19 by bypassing the sealing part 21, a first spring 26 is sleeved on the outer side surface of the tubular valve core 19, one end of the first spring 26 is fixedly connected with a blocking piece 20, the other end of the first spring 26 is fixedly connected with the position, close to the sealing part 21, of the first cavity 2, a second cavity 22 is fixedly connected with the outer side surface of the tubular valve core 19, a water flow hole 24 for the water flow to flow from the inside of the tubular valve core 19 to the second cavity 22 is formed in the tubular valve core 19, an opening 23 is formed in the second cavity 22, a movable sealing cover 25 for sealing the opening 23 is formed in the opening 23, a movable sealing plate 25 is arranged in the opening 23, the movable sealing plate is in the opening 23, a short plate is in the short plate 29, the short plate is in the short plate 29 and is in the short plate 29, the short plate 29 is in the short plate 29 and is in the short plate form, and is in the short plate 29 and is in the short plate 25 direction opposite to the short plate, and is in the short plate 29.

When flushing is carried out, water flow continuously flows into the first cavity 2 from the water inlet pipe 3, then flows into the tubular valve core 19 from the water inlet end of the tubular valve core 19, then water in the tubular valve core 19 flows out from the water outlet end of the tubular valve core 19, and finally flows into the water outlet pipe 4.

When the water pressure at one end of the tubular valve core 19 close to the water outlet pipe 4 exceeds F1, the tubular valve core 19 overcomes the elasticity of the first spring 26 under the action of the water pressure and slides towards the blocking part 21 until the water inlet end of the tubular valve core 19 is abutted to the blocking part 21, at the moment, the blocking part 21 closes the water inlet end of the tubular valve core 19, and the water in the first cavity 2 cannot flow into the water outlet pipe 4 from the first cavity 2 through the tubular valve core 19, so that the water pressure stability is maintained.

When the water pressure at one end of the tubular valve core 19 close to the water outlet pipe 4 exceeds F2, F2 is larger than F1, at this time, not only the water inlet end of the tubular valve core 19 is closed by the blocking block, but also water in the tubular valve core 19 enters the second cavity 22 through the water through hole 24 and pushes the movable blocking cover 25 to move towards a direction away from the opening 23, the opening 23 is opened, water in the second cavity 22 flows into the first cavity 2 from the opening 23, flows into the bleeder 5, and is discharged from the bleeder 5, and pressure relief is completed.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (5)

1. The utility model provides a toilet flushing device who contains independent pressure release steady voltage unit, includes steady voltage valve (1), steady voltage valve (1) include first cavity (2), first cavity (2) intercommunication have inlet tube (3), outlet pipe (4) and bleeder (5), bleeder (5) are in between inlet tube (3) with outlet pipe (4), outlet pipe (4) are connected with water tank (7) through first pipe fitting (6), water tank (7) are connected with first drain valve (8), first drain valve (8) are connected with main flushing shower nozzle (10) through second pipe fitting (9), outlet pipe (4) are connected with second drain valve (12) through third pipe fitting (11), second drain valve (12) are connected with brush circle shower nozzle (18) through fourth pipe fitting (13), its characterized in that, the inside wall of first cavity (2) is equipped with the tubular case (19) that are used for rivers to flow from inlet tube (3) inflow outlet pipe (4), the outside face of tubular case (19) is connected with main flushing shower nozzle (20) through second pipe fitting (11), the sealing device is characterized in that a sealing part (21) is fixedly connected in the first cavity (2), the sealing part (21) is close to the water inlet pipe (3), a second cavity (22) is fixedly connected to the outer side face of the tubular valve core (19), a water passing hole (24) for water to flow from the inside of the tubular valve core (19) to the second cavity (22) is formed in the tubular valve core (19), an opening (23) for communicating the second cavity (22) with the first cavity (2) is formed in the second cavity (22), and a movable sealing cover (25) for sealing the opening (23) is arranged at the opening (23); when the water pressure at one end of the tubular valve core (19) close to the water outlet pipe (4) exceeds F1, the tubular valve core (19) slides towards the blocking part (21) under the action of the water pressure until the water inlet end of the tubular valve core (19) is abutted to the blocking part (21) and is blocked by the blocking part (21), so that the pressure stabilization is completed; when the water pressure at one end of the tubular valve core (19) close to the water outlet pipe (4) exceeds F2 and F2 is greater than F1, water in the tubular valve core (19) enters the second cavity (22) through the water passing hole (24) and pushes the movable sealing cover (25) to move towards a direction away from the opening (23), and the opening (23) is opened to finish pressure relief.

2. The toilet flushing device with the independent pressure relief and stabilization unit according to claim 1, wherein a first spring (26) is sleeved on the outer side surface of the tubular valve core (19), one end of the first spring (26) is fixedly connected with the blocking piece (20), and the other end of the first spring is fixedly connected with the first cavity (2) close to the plugging portion (21).

3. The toilet flushing device with the independent pressure relief and stabilization unit according to claim 1, wherein an L-shaped reset piece bearing part (27) is fixedly connected to the outer side surface of the second cavity (22), the reset piece bearing part (27) is formed by connecting a long plate (28) and a short plate (29), one end, away from the short plate (29), of the long plate (28) is fixedly connected to the outer side surface of the second cavity (22), the short plate (29) is located in the direction, away from the opening (23), of the movable sealing cover (25), and the short plate (29) is opposite to the opening (23).

4. A toilet flushing device with an independent pressure relief and stabilization unit according to claim 3, characterized in that a second spring (30) is arranged between the movable closing cover (25) and the short plate (29), one end of the second spring (30) is abutted against the short plate (29), and the other end is abutted against the movable closing cover (25).

5. The toilet flushing device with the independent pressure relief and stabilization unit according to claim 1, characterized in that a fifth pipe (14) for communicating the second pipe (9) and the fourth pipe (13) is arranged between the second pipe (9) and the fourth pipe (13).