CN213451930U - Back flush valve - Google Patents
Back flush valve Download PDFInfo
- Publication number
- CN213451930U CN213451930U CN202021378917.2U CN202021378917U CN213451930U CN 213451930 U CN213451930 U CN 213451930U CN 202021378917 U CN202021378917 U CN 202021378917U CN 213451930 U CN213451930 U CN 213451930U
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- valve body
- valve
- filter screen
- water
- back flush
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Abstract
The utility model provides a back flush valve, includes the valve body, and the inside of valve body is equipped with the filter screen, and the left side of valve body is equipped with water supply connector, is equipped with a three-way valve on the water supply connector, and the right side of valve body is equipped with water outlet connector, is equipped with first valve on the water outlet connector, and the downside of valve body is equipped with the drainage and connects, is equipped with the second valve on the drainage connects, and the drainage connects and is located the left valve body of filter screen. The utility model provides a back flush valve with impurity filtering function and back flush function, be fit for installing those users who do not install purifier, filter screen in the valve body leads to water connector to go out when water is not smooth because filterable impurity is more to block up the filter screen mesh, several switches of accessible and back flush pipeline cooperation carry out the back flush to the filter screen in the valve body, impurity back flush clean back on the filter screen in the valve body, the back flush valve can continue to use and filter the impurity in the water pipeline, guarantee that the running water that the user used does not contain impurity.
Description
Technical Field
The utility model belongs to the technical field of valve equipment, concretely relates to back flush valve.
Background
Although the existing tap water is heavily purified and filtered, the tap water is more or less contaminated when being delivered to users, and most of the existing water purifying and filtering devices on the market are not installed for various reasons, so that the design of the valve with the functions of impurity filtering and backwashing becomes a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a back flush valve with impurity filtering function and back flush function, be fit for installing those users who do not install purifier, filter screen in the valve body leads to water connector to go out when water is not smooth because filterable impurity is more to block up the filter screen mesh, several switches of accessible and back flush pipeline cooperation carry out the back flush to the filter screen in the valve body, impurity back flush clean back on the filter screen in the valve body, the back flush valve can continue to use and filter the impurity in the water pipeline, guarantee that the running water that the user used does not contain impurity.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a backwashing valve comprises a valve body, wherein a filter screen is arranged inside the valve body, a water inlet joint is arranged on the left side of the valve body, a three-way valve is arranged on the water inlet joint, a water outlet joint is arranged on the right side of the valve body, a first valve is arranged on the water outlet joint, a water drainage joint is arranged on the lower side of the valve body, a second valve is arranged on the water drainage joint, the water drainage joint is located on the valve body on the left side of the filter screen, a backwashing pipeline is arranged on the third joint of the three-way valve, the other end of the backwashing pipeline is communicated with the valve body, and the.
The filter screen inside the valve body is provided with two layers, and an active carbon filter material is arranged between the two layers of filter screens.
And a cleaning agent box is arranged on the backwashing pipeline and is communicated with the backwashing pipeline, a filling opening is formed in the cleaning agent box, and a sealing cover is arranged on the filling opening.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
when in use, the back flush valve provided by the utility model is arranged on a tap water pipeline, tap water is conveyed backwards through the water inlet joint, the valve body and the water outlet joint, impurities in the tap water are under the filter screen basket when passing through the filter screen of the valve body, the tap water without impurities is conveyed backwards through the filter screen, when the filter screen in the valve body leads the water outlet of the water outlet joint to be unsmooth due to the fact that the filter screen meshes are blocked by more filtered impurities, the back flush operation of the filter screen is needed to be dredged, at the moment, the first valve on the water outlet joint is closed, the three-way valve on the water inlet joint is controlled to supply water to the back flush pipeline, at last the second valve on the water drainage joint is opened, the tap water enters the valve body through the back flush pipeline, the back flush is carried out on the filter screen in the valve body, the impurities on the filter screen, closing a second valve on the drainage joint, opening a first valve on the water outlet joint, and finally controlling a three-way valve on the water inlet joint to supply water to the valve body to complete the back washing operation of the filter screen in the valve body; the filter screens in the valve body are provided with two layers, and an activated carbon filter material is arranged between the two layers of filter screens, so that the filtering and purifying effects of the filter screens on tap water are further improved; the cleaning agent box is arranged on the backwashing pipeline and communicated with the backwashing pipeline, the filling opening is formed in the cleaning agent box, the sealing cover is arranged on the filling opening, when the filter screen in the valve body needs to be backwashed by using a cleaning agent, the cleaning agent is added into the cleaning agent box, the sealing cover is covered, and when running water passes through the backwashing pipeline, the cleaning agent in the cleaning agent box is brought into the valve body to flush the filter screen.
To sum up, the utility model provides a back flush valve with impurity filtering function and back flush function is fit for installing among those users who do not install purifier, and when the filter screen in the valve body leads to water connector to go out water unsmooth because filterable impurity is more blockked up the filter screen mesh, the filter screen in the valve body is carried out the back flush with the back flush pipeline cooperation to several switches of accessible, and after impurity back flush on the filter screen in the valve body is clean, back flush valve can continue to use and filter the impurity in the water pipeline, guarantees that the running water that the user used does not contain impurity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The device comprises a valve body 1, a filter screen 2, a water inlet joint 3, a three-way valve 4, a water outlet joint 5, a first valve 6, a water discharge joint 7, a second valve 8, a backwashing pipeline 9 and a cleaning agent box 10.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
as shown in fig. 1, a backwashing valve comprises a valve body 1, a filter screen 2 is arranged inside the valve body 1, a water inlet connector 3 is arranged on the left side of the valve body 1, a three-way valve 4 is arranged on the water inlet connector 3, a water outlet connector 5 is arranged on the right side of the valve body 1, a first valve 6 is arranged on the water outlet connector 5, a water discharge connector 7 is arranged on the lower side of the valve body 1, a second valve 8 is arranged on the water discharge connector 7, the water discharge connector 7 is positioned on the valve body 1 on the left side of the filter screen 2, a backwashing pipeline 9 is arranged on a third connector of the three-way valve 4, the other end of the backwashing pipeline 9 is communicated with the valve body 1, and the.
The filter screens 2 in the valve body 1 are provided with two layers, and an active carbon filter material is arranged between the two layers of filter screens 2.
A cleaning agent box 10 is arranged on the backwashing pipeline 9, the cleaning agent box 10 is communicated with the backwashing pipeline 9, a filling opening is arranged on the cleaning agent box 10, and a sealing cover is arranged on the filling opening.
Adopt above-mentioned technical scheme, the utility model discloses a working process does:
when in use, the back flush valve provided by the utility model is arranged on a tap water pipeline, tap water is conveyed backwards through the water inlet joint 3, the valve body 1 and the water outlet joint 5, impurities in the tap water are conveyed backwards through the filter screen 2 of the valve body 1 under the basket of the filter screen 2, and tap water without impurities is conveyed backwards through the filter screen 2, when the filter screen 2 in the valve body 1 blocks the meshes of the filter screen 2 due to more impurities to cause unsmooth water outlet of the water outlet joint 5, the back flush operation of the filter screen 2 is needed, at the moment, the first valve 6 on the water outlet joint 5 is closed, the three-way valve 4 on the water inlet joint 3 is controlled to supply water to the back flush pipeline 9, finally the second valve 8 on the water discharge joint 7 is opened, the tap water enters the valve body 1 through the back flush pipeline 9, the filter screen 2 in the valve body 1 is reversely flushed, and the impurities on the filter screen 2, after impurities on the filter screen 2 in the valve body 1 are flushed back completely, closing a second valve 8 on a drainage joint 7, opening a first valve 6 on a water outlet joint 5, and finally controlling a three-way valve 4 on a water inlet joint 3 to supply water to the valve body 1 to complete the back flushing operation of the filter screen 2 in the valve body 1; the filter screens 2 in the valve body 1 are provided with two layers, and an activated carbon filter material is arranged between the two layers of filter screens 2, so that the filtering and purifying effects of the filter screens 2 on tap water are further improved; the cleaning device is characterized in that a cleaning agent box 10 is arranged on the backwashing pipeline 9, the cleaning agent box 10 is communicated with the backwashing pipeline 9, a filling opening is formed in the cleaning agent box 10, a sealing cover is arranged on the filling opening, when the filter screen 2 in the valve body 1 needs to be backwashed by using a cleaning agent, the cleaning agent is added into the cleaning agent box 10, the sealing cover is covered, and when running water passes through the backwashing pipeline 9, the cleaning agent in the cleaning agent box 10 is brought into the valve body 1 to wash the filter screen 2.
To sum up, the utility model provides a back flush valve with impurity filtering function and back flush function is fit for installing among those users who do not install purifier, filter screen 2 in valve body 1 leads to water connectors 5 to go out when not smooth because filterable impurity is more to block up filter screen 2 mesh, filter screen 2 in valve body 1 is carried out the back flush to the cooperation of several switches of accessible and back flush pipeline 9, the clean back of impurity back flush on filter screen 2 in valve body 1, back flush valve can continue to use and filter the impurity in the water pipeline, guarantee that the water of user's use does not contain impurity.
The three-way valve 4 used in the present invention is the conventional art, and its specific structure is not described in detail.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (3)
1. A back flush valve which characterized in that: the water inlet joint is arranged on the left side of the valve body, the three-way valve is arranged on the water inlet joint, the water outlet joint is arranged on the right side of the valve body, the first valve is arranged on the water outlet joint, the water discharging joint is arranged on the lower side of the valve body, the second valve is arranged on the water discharging joint, the water discharging joint is located on the valve body on the left side of the filter screen, a back washing pipeline is arranged on the third joint of the three-way valve, the other end of the back washing pipeline is communicated with the valve body, and the other end of the back washing pipeline is communicated with the right.
2. The backwash valve as claimed in claim 1, wherein: the filter screen inside the valve body is provided with two layers, and an active carbon filter material is arranged between the two layers of filter screens.
3. The backwash valve as claimed in claim 2, wherein: and a cleaning agent box is arranged on the backwashing pipeline and is communicated with the backwashing pipeline, a filling opening is formed in the cleaning agent box, and a sealing cover is arranged on the filling opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378917.2U CN213451930U (en) | 2020-07-14 | 2020-07-14 | Back flush valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378917.2U CN213451930U (en) | 2020-07-14 | 2020-07-14 | Back flush valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451930U true CN213451930U (en) | 2021-06-15 |
Family
ID=76372229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021378917.2U Active CN213451930U (en) | 2020-07-14 | 2020-07-14 | Back flush valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443729A (en) * | 2021-07-07 | 2021-09-28 | 七道水(厦门)健康科技有限公司 | Water filtering structure and flow direction switching mechanism |
-
2020
- 2020-07-14 CN CN202021378917.2U patent/CN213451930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443729A (en) * | 2021-07-07 | 2021-09-28 | 七道水(厦门)健康科技有限公司 | Water filtering structure and flow direction switching mechanism |
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