CN223881803U - Automatic water supply and drainage valve - Google Patents

Abstract

The utility model discloses an automatic water feeding and discharging valve which comprises a valve body, an electromagnetic valve and a movable plug, wherein the valve body is provided with a water flow channel, a water inlet, a water outlet and a dosing channel which are communicated with the water flow channel, the electromagnetic valve is connected to the valve body and is provided with a valve core for opening or closing the water flow channel between the water inlet and the dosing channel, the movable plug is arranged in the dosing channel and is used for opening or closing the dosing channel, and when the movable plug opens the dosing channel, a medicament is added into the water flow channel through the dosing channel. The automatic water supply and drainage valve is suitable for adding various medicaments, simple in structure, convenient to popularize and high in automation degree.

Description

Automatic water supply and drainage valve

Technical Field

The application relates to the technical field of valves, in particular to an automatic water supply and drainage valve.

Background

In order to avoid corrosion and scaling and bacteria growth in pipelines, medicaments such as polyaluminium chloride, lime, active carbon, calcium carbonate, sodium sulfide and the like are generally added into the pipelines at regular intervals in order to adjust the pH value and water quality sterilization and the like in the pipelines, thereby ensuring the service life and smooth operation of the pipelines.

In the related art, the pipeline is closed or disconnected in the process of adding the medicine into the water pipeline, then a certain amount of the medicine is added into the pipeline, and finally the pipeline is connected, so that the operation is troublesome, and the normal operation of the pipeline can be influenced. For this reason, some chinese patent applications have been developed that use a pipeline control valve to dose a pipeline, such as CN202343112U, entitled a liquid medicine concentration regulating valve, in which a dosing port with a plug is provided at the top of a valve body, and a dosing tank containing a medicament can be connected to the bottom. After entering the valve body from the water inlet, one path of water enters the dosing tank, then the liquid medicine is mixed, then enters the valve core from the central pipe, and then flows out from the water outlet, and the dosing port is used for dosing the dosing tank to supplement the liquid medicine.

The control valve or the drain valve capable of adding medicines into the pipeline in the related art has the following defects that the control valve or the drain valve is only suitable for adding liquid medicines and is not suitable for powdery or granular medicines in the actual use process, and in addition, the control valve or the automatic supply and drain valve has a complex structure, high production cost and low automation degree, and is not convenient to popularize and use.

Disclosure of Invention

The application aims to overcome the defects of the related technology and provide the automatic water supply and drainage valve which is suitable for adding various medicaments, has a simple structure, is convenient to popularize and has high automation degree.

The technical proposal of the application is to provide an automatic water supply and drainage valve with the following structure, which comprises

The valve body is provided with a valve body, it is provided with a water flow channel and a water inlet communicated with the water flow channel a water outlet and a dosing channel;

The electromagnetic valve is connected to the valve body and provided with a valve core for opening or closing a water flow channel between the water inlet and the dosing channel;

The movable plug is arranged in the dosing channel and used for opening or closing the dosing channel, and when the movable plug opens the dosing channel, the medicine is added into the water flow channel through the dosing channel.

In some embodiments, a dosing port is provided in the dosing channel, the movable plug includes an elastic member and a plug body for opening or closing the dosing port, and the elastic member is connected with the plug body, so that the plug body always has a movement trend toward a direction close to the dosing port to close the dosing port.

In some embodiments, the medicine adding port is provided with an annular boss extending towards the direction of the water flow channel along the axial direction, and an annular sealing body which is abutted against the annular boss for sealing is connected to the end face of one end of the plug body, which is close to the annular boss.

In some embodiments, the automatic water supply and drainage valve further comprises a thimble assembly, wherein the thimble assembly comprises a hollow base and a thimble body connected to the base and extending along the axial direction, and the base is connected in the dosing channel and can move along the axial direction of the dosing channel so that the thimble body can push the plug body to open the dosing port.

In some embodiments, the base is threadably coupled within the dosing channel and is movable in an axial direction of the dosing channel upon rotation of the base.

In some embodiments, the base is slidably connected in the dosing channel along an axial direction, and the spike assembly further includes a return spring connected to the base for enabling the base to always have a movement tendency to move away from the plug body.

In some embodiments, the valve body is provided with a hollow connecting part communicated with the water flow channel, the connecting part is sequentially connected with a hollow first connecting seat and a hollow second connecting seat along the axial direction, central holes of the connecting part, the first connecting seat and the second connecting seat jointly form the dosing channel, the dosing port is arranged in the second connecting seat, and the thimble assembly is arranged in the second connecting seat.

In some embodiments, a filter is connected within the water flow channel.

In some embodiments, the first connecting seat is in threaded connection with the connecting portion, the filtering body extends axially along the dosing channel, and the lower end of the filtering body is connected with the first connecting seat, and when the first connecting seat is rotated, the filtering body can be driven to rotate.

In some embodiments, the filter body is a filter body wound with a filter mesh into a cylindrical shape.

In some embodiments, the valve body is provided with at least one sensor interface for connecting with a water quality detection sensor.

In some embodiments, the included angle between the center line of the dosing channel and the center line of the water flow channel is 45-90 degrees.

In summary, compared with the related art, the automatic water feeding and discharging valve has the advantages that the valve body of the automatic water feeding and discharging valve is provided with the dosing channel and the electromagnetic valve, the electromagnetic valve drives the valve core to move so as to control the flow and the on-off of the water flow channel, the dosing channel is internally connected with the movable plug capable of opening or closing the dosing channel, and when the movable plug opens the dosing channel, the medicine can be added into the water flow channel through the dosing channel. Therefore, when purifying water quality or adjusting the pH value of water in the pipeline, the movable plug can be opened, and the medicine is added into the water flow channel through the medicine adding channel of the valve body, so that the automatic medicine adding channel of the water discharging valve is arranged, the automatic water discharging valve is not only suitable for adding various medicines, but also is simple in structure and convenient to popularize and use.

Drawings

Fig. 1 is a schematic view illustrating a structure of an automatic water supply and drainage valve according to some embodiments of the present application.

Fig. 2 is a side view of an automatic water supply and drain valve according to some embodiments of the present application.

Fig. 3 is a schematic cross-sectional view of an automatic water supply and drainage valve according to some embodiments of the present application.

Fig. 4 is a partial cross-sectional view of an automatic water supply and drain valve according to some embodiments of the present application.

Fig. 5 is a schematic view illustrating an installation structure of an automatic water supply and drainage valve according to some embodiments of the present application.

Fig. 6 is a schematic view of an automatic water supply and drainage valve according to still other embodiments of the present application.

Reference numerals illustrate:

1. Valve body, 100, water flow channel, 101, water inlet, 102, water outlet, 103, dosing channel, 104, sensor interface, 105, connecting portion, 106, first connecting seat, 107, second connecting seat, 108, step, 109, dosing port, 110, annular boss, 111, jump ring, 2, solenoid valve, 200, valve core, 3, movable plug, 300, plug body, 301, elastic element, 302, annular sealing body, 4, thimble assembly, 400, base, 401, thimble body, 5, filter body.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adapt it as desired to suit a particular application.

In describing embodiments of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intermediate medium. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.

In embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The application will be described in further detail with reference to the drawings and the specific examples.

The embodiment of the application discloses an automatic water supply and drainage valve which can be connected to pipelines of water supply and drainage, boiler water, circulating water, a wastewater treatment system, petroleum, chemical industry, environmental protection, a water supply system and the like, and structurally comprises a valve body 1, a solenoid valve 2 arranged on the valve body 1, wherein the valve body 1 is internally provided with a water flow channel 100, a water inlet 101 and a water outlet 102 which are communicated with the water flow channel 100, water in the pipeline enters the water flow channel 100 of the valve body 1 from the water inlet 101 and is discharged from the water outlet 102, the solenoid valve 2 is connected to the valve body 1 through a fastening piece, the solenoid valve 2 is provided with a valve core 200 for opening or closing the water flow channel 100, the solenoid valve 2 is a solenoid valve 2 of a relatively mature technology in the prior art, and generally comprises a solenoid coil, a valve rod, a static iron core, a movable iron core 200, a control circuit and the like, and the solenoid coil can electrically drive the movable iron core to drive the valve core 200 to move so as to open or close the water flow channel 100 in the valve body 1 and can adjust the flow of water in the water flow channel 100.

It is to be understood that the water flow pipeline will be corroded and scaled and bacteria will grow, so that it is necessary to add chemicals such as polyaluminium chloride, lime, activated carbon, calcium carbonate, sodium sulfide and the like into the water flow pipeline to adjust the pH value in the pipeline and sterilize water quality. In this embodiment, the valve body 1 further includes a dosing channel 103 in communication with the water flow channel 100, the dosing channel 103 is disposed in the valve body 1 between the water inlet 101 and the water outlet 102, and a junction between the dosing channel 103 and the water flow channel 100 is disposed between the valve core 200 and the water outlet 102, so that the valve core 200 of the electromagnetic valve 2 controls on/off of the water flow channel 100 between the water inlet 101 and the dosing channel 103. In order to facilitate the user to add the medicine, a movable stopper 3 is provided in the medicine-feeding passage 103, the movable stopper 3 being for opening or closing the medicine-feeding passage 103, and the medicine is added into the water flow passage 100 through the medicine-feeding passage 103 when the movable stopper 3 opens the medicine-feeding passage 103. That is, in a normal state, the movable plug 3 is in a state of closing the dosing channel 103, and when dosing is required, the movable plug 3 can be opened to enable the medicament to flow into or be added into the water flow channel 100 of the valve body 1 through the dosing channel 103.

In this embodiment, the automatic water supply and drain valve is provided with a dosing channel 103 and a solenoid valve 2 on the valve body 1, the solenoid valve 2 drives the valve core 200 to move to control the flow rate and on-off of the water flow channel 100, a movable plug 3 capable of opening or closing the dosing channel 103 is connected in the dosing channel 103, and when the movable plug 3 opens the dosing channel 103, a medicament can be added into the water flow channel 100 through the dosing channel 103. Therefore, when purifying water quality or adjusting the pH value of water in a pipeline, the movable plug 3 can be opened, the medicine is added into the water flow channel 100 through the medicine adding channel 103 of the valve body 1, the automatic water feeding and discharging valve medicine adding channel 103 is arranged, the automatic water feeding and discharging valve is not only suitable for adding various medicines, but also has a simple structure, and is convenient to popularize and use.

Further in this embodiment, the dosing channel 103 is provided with a dosing opening 109, and the movable plug 3 includes an elastic member 301 and a plug body 300 for opening or closing the dosing opening 109, where the elastic member 301 is connected to the plug body 300, so that the plug body 300 always has a movement tendency toward the direction approaching the dosing opening 109 to close the dosing opening 109. The plug body 300 closes the dosing port 109 of the dosing channel 103 under the elastic force of the elastic member 301, and when dosing is required, the plug body 300 is pushed to compress the elastic member 301, so that the plug body 300 is separated from the dosing port 109 to open the dosing port 109. The water feeding device is simple in structure and convenient to feed, and can ensure that water in the water flow channel 100 in the valve body 1 does not leak from the feeding channel 103 when no medicine is fed.

As shown in fig. 2, 3, 4 and 5, for example, a hollow connecting portion 105 communicating with the water flow channel 100 is provided on the valve body 1, the connecting portion 105 is sequentially connected with the hollow first connecting portion 106 and the hollow second connecting portion 107 along the axial direction, the connecting portion 105, the central holes of the first connecting portion 106 and the second connecting portion 107 together form the dosing channel 103, the dosing port 109 is provided in the second connecting portion 107 and is located at one end of the second connecting portion 107 close to the first connecting portion 106, that is, a dosing port 109 is formed at one end of the second connecting portion 107 close to the first connecting portion 106, the plug 300 and the elastic member 301 are provided in the first connecting portion 106, an annular step 108 is provided on the first connecting portion 106, the plug 300 is in abutting sealing with the dosing port 109, one end of the elastic member 301 abuts against the step 108 on the first connecting portion 106, at the other end of the elastic member 301 abuts against the plug 300, at this time, the elastic member 301 closes and seals the dosing port 109, and when pushing the plug 300 compresses the elastic member 301 to disengage the elastic member 301 from the dosing port 103, the dosing port 109 can open the dosing channel 100. When the external force pushing the plug body 300 disappears, the plug body 300 is reset under the elasticity of the elastic piece 301, and the medicine feeding port 109 is closed again.

In the foregoing embodiments, the first connecting seat 106 and the connecting portion 105, and the first connecting seat 106 and the second connecting seat 107 can be connected by threads, so as to facilitate assembly or disassembly.

Further in this embodiment, as shown in fig. 3 and 4, the drug adding port 109 is provided with an annular boss 110 extending toward the water flow channel 100 along the axial direction, and an end face of the plug 300, which is close to the annular boss 110, is connected with an annular sealing body 302 that seals against the annular boss 110. When the annular sealing body 302 of the plug body 300 abuts against the annular boss 110 of the medicine adding port 109 to seal, the sealing performance of the annular sealing body 302 is better under the cooperation of the annular boss 110.

In order to facilitate the opening of the movable plug 3 during the dosing, in this embodiment, the automatic water feeding and discharging valve further comprises a thimble assembly 4, wherein the thimble assembly 4 comprises a hollow base 400 and a thimble body 401 connected to the base 400 and extending along the axial direction, and the base 400 is connected in the dosing channel 103 and can move along the axial direction of the dosing channel 103 so that the thimble body 401 pushes the plug body 300 to open the dosing port 109. The hollow base 400 has a central hole, and after the ejector pin body 401 on the base 400 pushes the plug body 300 to open the drug adding port 109, the drug can enter the drug adding channel 103 through the central hole of the base 400, so that the tail end of the base 400 can be connected with a drug adding tube, and when the ejector pin body 401 on the base 400 pushes the plug body 300, the drug can be added into the drug adding channel 103, so that the operation is very simple and convenient.

As shown in fig. 4 and 5, the thimble assembly 4 is an integral part, and is disposed in an inner hole of the second connecting seat 107, and a clamp spring 111 is connected to an outer end of the second connecting seat 107 to limit the thimble assembly 4 from separating from the inner hole of the second connecting seat 107, and a sealing ring is disposed between an outer circumferential wall of the base 400 of the thimble assembly 4 and an inner wall of the inner hole of the second connecting seat 107 to seal the two, so as to prevent medicament from leaking and realize leak-free medicament filling. When the base 400 moves in a direction approaching the plug body 300, the ejector pin body 401 on the base 400 can push the plug body 300 open, so that the medicine feeding port 109 is opened.

The base 400 of the ejector pin set moves axially in the inner hole of the second connecting seat 107, and in this embodiment, as shown in fig. 3, 4 and 5, an internal thread is provided on the inner wall of the inner hole of the second connecting seat 107, and an external thread is provided on the outer circumferential wall of the base 400, so that the base 400 is screwed in the inner hole of the second connecting seat 107, and the base 400 can move axially along the dosing channel 103 or the inner hole of the second connecting seat 107 when the base 400 rotates.

In other embodiments, and as shown in FIG. 6, with base 400 slidably coupled axially within drug delivery channel 103, spike assembly 4 further includes a return spring coupled to base 400 for maintaining base 400 in a motion away from plug body 300. That is, the base 400 is slidably connected in the inner hole of the second connecting seat 107 along the axial direction, one end of the return spring abuts against the inner wall of the second connecting seat 107, and the other end abuts against the base 400, so that the base 400 is located at a position far away from the plug body 300, during dosing, the base 400 is moved towards the direction close to the plug body 300 against the elastic force of the return spring to push the plug body 300, so that the dosing opening 109 is opened for dosing operation, after dosing is finished, the thimble assembly 4 is loosened, the thimble body 401 of the base 400 is far away from the plug body 300 and is reset under the elastic force of the return spring, and meanwhile, the plug body 300 closes the dosing opening 109 again.

In this embodiment, the filter 5 is connected to the water flow passage 100 of the automatic water supply/drain valve. As shown in fig. 3, 4 and 5, the filter body 5 serves to filter foreign particles in the water flow channel 100, so that the medicine can be more rapidly diffused in the pipe by the water flow. Further in this embodiment, in order to facilitate the installation and replacement of the filter body 5, the filter body 5 is disposed to extend axially along the dosing channel 103 and at least partially within the dosing channel 103.

As an example, referring to fig. 4 and 5, the filter body 5 is a filter net wound in a cylindrical shape, one end of which is disposed in the inner hole of the connection part 105 and abuts against or is connected with the end surface of the first connection seat 106, and the other end extends up into the water flow channel 100, and filters the water flow in the water flow channel 100. When the filter body 5 is installed or replaced, the filter body 5 can be taken out only by taking down the first connecting seat 106, and the operation is very convenient.

It can be understood that after the filter body 5 is used for a period of time, the filter body 5 will adhere to the impurity particles, if not cleaned in time, the flow speed of the water flow in the water flow channel 100 will be affected, even the diffusion speed of the medicament in the pipeline will be affected, for this purpose, in this embodiment, the first connecting seat 106 is screwed with the connecting portion 105, the filter body 5 extends axially along the dosing channel 103, and the lower end of the filter body 5 is connected with the first connecting seat 106, and when the first connecting seat 106 is rotated, the filter body 5 can be driven to rotate. When the filter body 5 needs to be cleaned, the first connecting seat 106 is rotated clockwise to drive the filter body 5 to rotate, so that the surface of the filter body facing the water inlet is rotated to face the water outlet, even if the filter body 5 is rotated 180 degrees, the filter body 5 can be backwashed under the action of water flow to automatically clean the adhered impurity particles on the filter body 5, and the operation is convenient, and the filter body 5 does not need to be taken out.

In this embodiment, the included angle between the dosing channel 103 and the water flow channel 100 may be an acute angle or a right angle, i.e. the included angle between the center line of the dosing channel 103 and the center line of the water flow channel 100 is 45-90 degrees. The filter body 5 is thus disposed in an inclined state or the filter body 5 may be disposed in a vertical state perpendicular to the water flow path 100, which facilitates the dosing operation.

Further in this embodiment, referring to fig. 1 and 4, the valve body 1 is provided with at least one sensor interface 104 for connecting with a sensor for detecting water quality. Therefore, the user may install a sensor for detecting water quality, such as a ph sensor for detecting ph of water quality, a turbidity sensor for water flow, a ‌ dissolved oxygen sensor, etc., in the sensor interface 104. If the sensor detects that the pH value of the water flow in the pipeline is abnormal, the electromagnetic valve 2 is started to close the water flow channel 100, or the dosing operation is carried out, so that automatic dosing is realized, the water quality is automatically adjusted, and the automatic dosing and discharging valve is unattended, so that the intelligent control dosing possibility and the popularization convenience can be realized. Further, the sensor interface 104 may also be connected to a pressure sensor to monitor the water pressure in the pipeline in real time, and when the water pressure is insufficient, the flow in the water flow channel can be adjusted by the electromagnetic valve to automatically adjust the water pressure.

In the description of the embodiments of the present application, it should be noted that, in the description of the present application, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or components must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present application.

In the description of the present application, the descriptions of the terms "one embodiment," "some embodiments," "in this embodiment," "specific examples," or "some examples," etc., mean that a particular feature, mechanism, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, mechanisms, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (12)

1. An automatic water supply and drainage valve is characterized by comprising

The valve body is provided with a valve body, it is provided with a water flow channel and a water inlet communicated with the water flow channel a water outlet and a dosing channel;

The electromagnetic valve is connected to the valve body and provided with a valve core for opening or closing a water flow channel between the water inlet and the dosing channel;

The movable plug is arranged in the dosing channel and used for opening or closing the dosing channel, and when the movable plug opens the dosing channel, the medicine is added into the water flow channel through the dosing channel.

2. The automatic water supply and drainage valve according to claim 1, wherein the dosing channel is internally provided with a dosing port, the movable plug comprises an elastic piece and a plug body for opening or closing the dosing port, and the elastic piece is connected with the plug body and is used for enabling the plug body to always have a movement trend towards the direction close to the dosing port so as to close the dosing port.

3. The automatic water supply and drainage valve according to claim 2, wherein the dosing port is provided with an annular boss extending towards the water flow channel along the axial direction, and an end face of the plug body, which is close to the annular boss, is connected with an annular sealing body which is abutted against the annular boss for sealing.

4. The automatic water supply and drainage valve of claim 2, further comprising a thimble assembly, wherein the thimble assembly comprises a hollow base and a thimble body connected to the base and extending in the axial direction, and the base is connected in the dosing channel and can move in the axial direction of the dosing channel so that the thimble body pushes the cock body to open the dosing port.

5. The automatic water supply and drain valve according to claim 4, wherein the base is threadedly coupled within the dosing channel and is movable in an axial direction of the dosing channel upon rotation of the base.

6. The automatic water supply and drain valve according to claim 4, wherein the base is slidably coupled axially within the dosing channel, and the spike assembly further comprises a return spring coupled to the base for maintaining the base in a movement away from the plug body.

7. The automatic water supply and drainage valve according to claim 4, wherein the valve body is provided with a hollow connecting part communicated with the water flow channel, the connecting part is sequentially connected with a hollow first connecting seat and a hollow second connecting seat along the axial direction, central holes of the connecting part, the first connecting seat and the second connecting seat jointly form the dosing channel, the dosing opening is arranged in the second connecting seat, and the thimble assembly is arranged in the second connecting seat.

8. The automatic water supply and drain valve according to claim 7, wherein a filter body is connected in the water flow passage.

9. The automatic water supply and drainage valve of claim 8, wherein the first connecting seat is in threaded connection with the connecting portion, the filter body extends axially along the dosing channel, the lower end of the filter body is connected with the first connecting seat, and the filter body can be driven to rotate when the first connecting seat is rotated.

10. The automatic water supply and drain valve according to claim 9, wherein the filter body is a cylindrical filter body wound with a filter mesh.

11. The automatic water supply and drainage valve according to claim 1, wherein the valve body is provided with at least one sensor interface for connecting with a water quality detection sensor.

12. The automatic water supply and drainage valve of claim 1, wherein an included angle between the center line of the dosing channel and the center line of the water flow channel is 45-90 degrees.