CN210034515U

CN210034515U - Diaphragm valve for switching on/off waste water pipeline according to pipeline pressure change and water purification system

Info

Publication number: CN210034515U
Application number: CN201920743787.9U
Authority: CN
Inventors: 杨迎龙
Original assignee: ZHEJIANG KEBO ELECTRICAL APPLIANCES Co Ltd
Current assignee: ZHEJIANG KEBO ELECTRICAL APPLIANCES Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-07
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to a diaphragm valve of opening and close waste water mouth according to pipeline pressure change, which comprises a valve body, diaphragm and diaphragm drive arrangement, the valve body is installed in water purification system's waste water pipeline, be provided with the runner that has import and export in the valve body, the runner is provided with the cut-off relative with the diaphragm, diaphragm drive arrangement drive diaphragm laminating or keep away from the cut-off and constitute cutting off or the circulation of runner, diaphragm drive arrangement is including setting up the drive chamber in the valve body, the drive chamber is located the opposite side of the relative diaphragm of runner, the drive chamber is provided with the antithetical couplet mouth of the part of connecting before water purification system main line water pump and the diaphragm elastic component that resets the diaphragm. With the adoption of the scheme, the utility model provides a diaphragm valve according to pipeline pressure change break-make waste water pipeline that reduces processing and use cost is improved.

Description

Diaphragm valve for switching on/off waste water pipeline according to pipeline pressure change and water purification system

Technical Field

The utility model relates to a pipeline control field, concretely relates to diaphragm valve of opening and close waste gate according to pipeline pressure change still relates to a water purification system.

Background

The water purifier is also called water purifier and water quality purifier, and is water treatment equipment for deeply filtering and purifying water according to the use requirement of water. The water purifier is generally used as a small purifier for household use.

A water purifying system in a water purifier usually comprises a main pipeline, a water supply pipeline and a waste water pipeline, wherein water from a water source is conveyed to be filtered through a water pump by the main pipeline, the water is supplied to a user through the water supply pipeline after being filtered by a filter element, and meanwhile, waste water formed by washing the filter element is discharged to the outside through the waste water pipeline, so a water inlet valve and a waste water valve are usually arranged in the waste water pipeline to control the circulation and the flow of the waste water pipeline, the water inlet valve and the waste water valve are respectively provided with an electromagnetic valve controlled by a circuit, and the structure has the certain defects that the manufacturing cost of the whole water purifier is increased due to the ① electromagnetic valves, the load of a control circuit is increased due to the use of.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a reduce processing and use cost's diaphragm valve according to pipeline pressure change break-make waste water pipeline.

In order to achieve the above purpose, the utility model provides a following technical scheme: including valve body, diaphragm and diaphragm drive arrangement, the valve body install in water purification system's waste pipe way, the valve body in be provided with the runner that has import and export, the runner be provided with the cut-off mouth relative with the diaphragm, diaphragm drive arrangement drive diaphragm laminating or keep away from the cut-off mouth and constitute cutting off or the circulation of runner, its characterized in that: the diaphragm driving device comprises a driving cavity arranged in the valve body, the driving cavity is located on the other side of the runner relative to the diaphragm, the driving cavity is provided with a communicating port connected to the part in front of the main pipeline water pump of the water purification system and a diaphragm elastic piece for resetting the diaphragm to the cut-off port, the diaphragm is far away from the cut-off port when the water pressure of the main pipeline is smaller than the water pressure of the waste water pipeline after the water pump is started to form the circulation of the runner, and the diaphragm elastic piece pushes the diaphragm to move to the cut-off port until the diaphragm is sealed after the water pump is stopped and the water pressure of the waste water pipeline is equal to each other, so that the cut-off of.

Through adopting above-mentioned technical scheme, utilize the water of main line and the water of waste water pipeline at the pressure differential of water pump front and back that starts, form the drive power that the drive diaphragm removed to reduce because of adopting many solenoid valves increased manufacturing cost and power consumption use cost, in addition, cooperation diaphragm elastic component forms the drive power that is greater than waste water pipeline water pressure when main line water pressure is equal with waste water pipeline water pressure, and the diaphragm removes until the laminating to the cut-off mouth with higher speed, improves and closes efficiency and practicality.

The utility model discloses further set up to: the diaphragm elastic part is a cylindrical compression spring which is coaxial with the diaphragm, one end of the cylindrical compression spring is compressed on the cavity wall of the driving cavity, the other end of the cylindrical compression spring is compressed on the diaphragm, and a limiting groove matched with the shape of the cylindrical compression spring is arranged at the position, corresponding to the cylindrical compression spring, of the cavity wall of the driving cavity.

Through adopting above-mentioned technical scheme, adopt and the coaxial cylinder compression spring of diaphragm as diaphragm elastic component, the elastic force that makes cylinder compression spring form can the homogeneous action in diaphragm, and is more stable when making the diaphragm remove, and the spacing recess of cooperation avoids cylinder compression spring offset.

The utility model discloses further set up to: the valve body is positioned in the flow channel and is internally provided with an outer ring wall and an inner ring wall which are coaxial with the diaphragm, the space between the inner periphery of the outer ring wall and the outer periphery of the inner ring wall is used as an inlet flow channel communicated with the inlet, the inner space of the inner ring wall is used as an outlet flow channel communicated with the outlet, and the upper end opening of the inner ring wall is communicated with the inlet flow channel and is used as a cutting opening opposite to the diaphragm.

Through adopting above-mentioned technical scheme, interior rampart cooperation diaphragm elastic component makes the diaphragm can stably keep and cut off the encapsulated situation of fracture when cutting off the runner, guarantees job stabilization nature.

The utility model discloses further set up to: the inner ring wall is provided with an installation step along the circumferential direction, the installation step is provided with a throttle plate, and the throttle plate is provided with a throttle opening.

By adopting the technical scheme, the throttle plate with the throttle orifice is additionally arranged, and the internal space of the inner ring wall is reasonably utilized, so that the diaphragm valve has the function of throttling at the same time.

The utility model also provides an adopt foretell water purification system who opens and close the diaphragm valve at waste gate according to pipeline pressure change to disclose following technical scheme: still include main line, supply channel and waste water pipeline, the main line head end be connected with the water source, the end is provided with the reverse osmosis membrane filter core, the main line be provided with water from head end to terminal towed water pump, supply channel and waste water pipeline connect respectively in the exit end of reverse osmosis membrane filter core, the other end of the relative reverse osmosis membrane filter core of supply channel supply the user's pure water mouth a little, the supply channel be provided with check valve and high pressure switch, high pressure switch electricity connect in the control circuit of water pump, the waste water pipeline the other end of the relative reverse osmosis membrane filter core of waste water pipeline be with the waste water mouth of external UNICOM, the valve body install in the waste water pipeline, valve body UNICOM mouth be provided with the drive line of connecting between main line head end and water pump.

Through adopting above-mentioned technical scheme, when the pure water mouth was opened, high-pressure switch closed water pump an electric signal of giving, the pressure of reverse osmosis membrane filter core rear end was greater than the pressure of former water end after the water pump started, and the diaphragm valve is opened and is washed reverse osmosis membrane filter core, and when the pure water mouth was closed, high-pressure switch was in the off-state, and the pressure of reverse osmosis membrane filter core rear end equals the pressure of former water end after the water pump stopped, and the diaphragm valve is closed.

The utility model discloses further set up to: the main pipeline is provided with a pressure reducing valve and a front filter element in sequence at the head end and the water pump.

Through adopting above-mentioned technical scheme, add relief pressure valve and leading filter core, improve pipeline pressure stability and filter effect.

Drawings

FIG. 1 is a schematic view of a diaphragm valve in a shut-off state;

FIG. 2 is a schematic view of a communication state of a diaphragm valve;

fig. 3 is a schematic diagram of a piping structure of the purification system.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, the utility model discloses a diaphragm valve for switching on/off waste water pipeline according to pipeline pressure change, comprising a valve body 1, a diaphragm 2 and a diaphragm driving device, the valve body 1 is installed on the waste water pipeline of a water purification system, a flow channel 13 with an inlet 11 and an outlet 12 is arranged in the valve body 1, the flow channel 13 is provided with a cut-off port 14 opposite to the diaphragm 2, the diaphragm driving device drives the diaphragm 2 to be attached or far away from the cut-off port 14 to form the cut-off or circulation of the flow channel 13, the diaphragm driving device comprises a driving cavity 3 arranged in the valve body 1, the driving cavity 3 is arranged at the other side of the flow channel 13 opposite to the diaphragm 2, the driving cavity 3 is provided with a communication port 31 connected to the front part of a main pipeline water pump of the water purification system and a diaphragm elastic member 32 for resetting the diaphragm 2 to the cut-off port 14, the diaphragm 2, the circulation of the flow channel 13 is formed, when the water pressure of the main pipeline is equal to the water pressure of the waste water pipeline after the water pump stops, the diaphragm elastic piece 32 pushes the diaphragm 2 to move towards the cut-off port 14 until the diaphragm is sealed, the cut-off of the flow channel 13 is formed, and the driving force for driving the diaphragm 2 to move is formed by utilizing the pressure difference between the water of the main pipeline and the water of the waste water pipeline before and after the water pump is started, so that the manufacturing cost and the electricity use cost increased by adopting a multi-electromagnetic valve are reduced, in addition, the driving force larger than the water pressure of the waste water pipeline is formed when the water pressure of the main pipeline is equal to the water pressure of the waste water pipeline by matching with the diaphragm elastic piece 32, the diaphragm 2 is accelerated to.

Diaphragm elastic component 32 is the cylinder compression spring with the coaxial setting of diaphragm 2, cylinder compression spring one end compression is in the chamber wall of drive chamber 3, the other end compression is in diaphragm 2, the chamber wall of drive chamber 3 is provided with the spacing recess 33 rather than shape looks adaptation with the position that cylinder compression spring corresponds, adopt the cylinder compression spring coaxial with diaphragm 2 as diaphragm elastic component 32, the elastic force that makes cylinder compression spring form can evenly act on diaphragm 2, it is more stable when making diaphragm 2 remove, cooperate spacing recess 33, avoid the skew of cylinder compression spring position.

The valve body 1 is positioned in the flow passage 13 and is internally provided with an outer ring wall 15 and an inner ring wall 16 which are coaxial with the diaphragm 2, a space between the inner periphery of the outer ring wall 15 and the outer periphery of the inner ring wall 16 is used as an inlet flow passage 17 communicated with the inlet 11, an inner space of the inner ring wall 16 is used as an outlet flow passage 18 communicated with the outlet 12, an upper end opening of the inner ring wall 16 is communicated with the inlet flow passage 17 and is used as a cutting opening 14 opposite to the diaphragm 2, and the inner ring wall 16 is matched with a diaphragm elastic part 32, so that the diaphragm 2 can stably keep a sealing state with the cutting opening 14 when the flow passage 13.

The inner periphery of the inner ring wall 16 is circumferentially provided with an installation step 19, the installation step 19 is provided with a throttle plate 10, the throttle plate 10 is provided with a throttle orifice 101, the throttle plate 10 with the throttle orifice 101 is additionally arranged, and the inner space of the inner ring wall 16 is reasonably utilized, so that the diaphragm 2 valve has the function of throttling at the same time.

As shown in fig. 3, the utility model also provides an adopt foretell water purification system who opens and close the diaphragm valve at waste water mouth according to the pipeline pressure change to disclose following technical scheme: the water supply system also comprises a main pipeline a, a water supply pipeline b and a waste water pipeline c, wherein the head end of the main pipeline a is connected with a water source, the tail end of the main pipeline is provided with a reverse osmosis membrane filter element 5, the main pipeline a is provided with a water pump 6 for drawing water from the head end to the tail end, the water supply pipeline b and the waste water pipeline c are respectively connected with the outlet end of the reverse osmosis membrane filter element 5, the water supply pipeline b supplies pure water ports b1 of users to the other end of the reverse osmosis membrane filter element 5 in a micro mode, the water supply pipeline b is provided with a check valve 7 and a high-pressure switch 8, the high-pressure switch 8 is electrically connected with a control circuit of the water pump 6, the waste water pipeline c is a waste water port c1 communicated with the outside relative to the other end of the reverse osmosis membrane filter element 5, the valve body 1 is arranged on the waste water pipeline c, the pressure of the reverse osmosis membrane filter core 5 rear end is greater than the pressure of former water end after water pump 6 starts, and the diaphragm 2 valve is opened and is washed reverse osmosis membrane filter core 5, and when pure water mouth b1 closed, high-pressure switch 8 was in the off-state, and the pressure of water pump 6 back end of stopping reverse osmosis membrane filter core 5 equals the pressure of former water end, and diaphragm 2 valve is closed.

The pressure reducing valve 4 and the front filter element 9 are sequentially arranged at the head end of the main pipeline a and the water pump 6, the pressure reducing valve 4 and the front filter element 9 are additionally arranged, and the pressure stability and the filtering effect of the pipeline are improved.

Claims

1. The utility model provides a diaphragm valve of break-make waste water pipeline according to pipeline pressure change, includes valve body, diaphragm and diaphragm drive arrangement, the valve body install in water purification system's waste water pipeline, the valve body in be provided with the runner that has import and export, the runner be provided with the relative cut-off mouth of diaphragm, diaphragm drive arrangement drive diaphragm laminating or keep away from the cut-off mouth and constitute the cutting off or the circulation of runner, its characterized in that: the diaphragm driving device comprises a driving cavity arranged in the valve body, the driving cavity is located on the other side of the runner relative to the diaphragm, the driving cavity is provided with a communicating port connected to the part in front of the main pipeline water pump of the water purification system and a diaphragm elastic piece for resetting the diaphragm to the cut-off port, the diaphragm is far away from the cut-off port when the water pressure of the main pipeline is smaller than the water pressure of the waste water pipeline after the water pump is started to form the circulation of the runner, and the diaphragm elastic piece pushes the diaphragm to move to the cut-off port until the diaphragm is sealed after the water pump is stopped and the water pressure of the waste water pipeline is equal to each other, so that the cut-off of.

2. The diaphragm valve for switching a waste line in accordance with line pressure changes of claim 1, wherein: the diaphragm elastic part is a cylindrical compression spring which is coaxial with the diaphragm, one end of the cylindrical compression spring is compressed on the cavity wall of the driving cavity, the other end of the cylindrical compression spring is compressed on the diaphragm, and a limiting groove matched with the shape of the cylindrical compression spring is arranged at the position, corresponding to the cylindrical compression spring, of the cavity wall of the driving cavity.

3. The diaphragm valve for switching a waste line in accordance with line pressure changes of claim 1, wherein: the valve body is positioned in the flow channel and is internally provided with an outer ring wall and an inner ring wall which are coaxial with the diaphragm, the space between the inner periphery of the outer ring wall and the outer periphery of the inner ring wall is used as an inlet flow channel communicated with the inlet, the inner space of the inner ring wall is used as an outlet flow channel communicated with the outlet, and the upper end opening of the inner ring wall is communicated with the inlet flow channel and is used as a cutting opening opposite to the diaphragm.

4. A diaphragm valve for switching a waste line in accordance with line pressure variations according to claim 3, wherein: the inner ring wall is provided with an installation step along the circumferential direction, the installation step is provided with a throttle plate, and the throttle plate is provided with a throttle opening.

5. A water purification system using a diaphragm valve for opening and closing a waste water line according to a line pressure variation as claimed in claim 1, 2, 3 or 4, wherein: still include main line, supply channel and waste water pipeline, the main line head end be connected with the water source, the end is provided with the reverse osmosis membrane filter core, the main line be provided with water from head end to terminal towed water pump, supply channel and waste water pipeline connect respectively in the exit end of reverse osmosis membrane filter core, the other end of the relative reverse osmosis membrane filter core of supply channel supply the user's pure water mouth a little, the supply channel be provided with check valve and high pressure switch, high pressure switch electricity connect in the control circuit of water pump, the waste water pipeline the other end of the relative reverse osmosis membrane filter core of waste water pipeline be with the waste water mouth of external UNICOM, the valve body install in the waste water pipeline, valve body UNICOM mouth be provided with the drive line of connecting between main line head end and water pump.

6. The water purification system of claim 5, wherein: the main pipeline is provided with a pressure reducing valve and a front filter element in sequence at the head end and the water pump.