CN215721005U - Back-cleaning filter for household faucet - Google Patents
Back-cleaning filter for household faucet Download PDFInfo
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- CN215721005U CN215721005U CN202121452736.4U CN202121452736U CN215721005U CN 215721005 U CN215721005 U CN 215721005U CN 202121452736 U CN202121452736 U CN 202121452736U CN 215721005 U CN215721005 U CN 215721005U
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- rotating shaft
- water inlet
- shell
- water outlet
- filter element
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Abstract
The invention discloses a household faucet backwashing filter, which comprises a water purification filter assembly and a switch control assembly, wherein the water purification filter assembly comprises a shell, a filter element cylinder and a base, a filter element fixing seat and a shell fixing seat are respectively arranged on the inner side and the outer side above the base, the shell is connected with the shell fixing seat, the filter element cylinder is connected with the filter element fixing seat, and the side surface of the base is connected with a connecting port. The invention provides a household faucet backwashing filter, which can complete four functions of opening, closing, filtering and backwashing of a faucet only by adjusting the angle of a rotating handle, and is simple and convenient to use.
Description
Technical Field
The invention relates to the technical field of water purification, and particularly belongs to a backwashing filter for a household faucet.
Background
The faucet is a popular name of a water valve and is a switch for controlling the water flow. The tap filter is a miniature water purifier directly installed and suspended on a household tap, and has a water quality improving effect. With the violent economic and industrial development, the process progress speed cannot keep up with the pollution and the urban population growth speed, most water plants still stay the flocculation-precipitation-filtration-chlorine disinfection process, the water quality cannot be guaranteed by the direct water outlet of the water faucet, so that a plurality of families can install a filter on the water faucet and filter the tap water through the filter before the tap water is discharged for use. However, the existing filter has the disadvantages of large volume, complex structure, single function and high cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the back-cleaning filter for the household faucet, which can complete four functions of opening, closing, filtering and back-cleaning of the faucet only by adjusting the angle of the rotating handle, and has a simple and convenient use method.
In order to achieve the purpose, the invention provides a household faucet backwashing filter, which comprises a water purification filter component and a switch control component, wherein the water purification filter component comprises a shell, a filter element cylinder and a base, a filter element fixing seat and a shell fixing seat are respectively arranged on the inner side and the outer side of the upper part of the base, the shell is connected with the shell fixing seat, the filter element cylinder is connected with the filter element fixing seat, the side surface of the base is connected with a connecting port, the connecting port is cylindrical, the connecting port penetrates through the shell fixing seat and is respectively and fixedly connected with the filter element fixing seat and the shell fixing seat, the connecting surface of the filter element fixing seat and the connecting port is a circular plane, a backwashing water inlet hole is arranged at the position of 0 degree of the connecting surface, a backwashing water outlet hole is arranged at the position of 180 degrees, and a side surface hole is arranged at the position of the side surface of the connecting port, which is close to the backwashing water outlet hole, the bottom surface of the filter element fixing seat is provided with a base water outlet hole, a back flushing pipe is arranged above the filter element fixing seat, the head end of the back flushing pipe is fixedly connected with a back flushing water inlet hole, the tail end of the back flushing pipe is communicated with the interior of the filter element cylinder body,
the switch control assembly comprises a control assembly shell and a switch rotating shaft, the control assembly shell comprises a shell water inlet arranged at the upper part and a shell water outlet arranged at the lower part, a rotating shaft cylinder for accommodating the switch rotating shaft to be transversely placed is arranged between the shell water inlet and the shell water outlet, the tail end of the rotating shaft cylinder is connected with the base through a connecting port, the head end of the switch rotating shaft is a rotating handle, a first water outlet hole is formed in the 0-degree position of the bottom surface of the tail end of the switch rotating shaft, a second water outlet hole is formed in the 90-degree position of the side surface of the tail end of the switch rotating shaft, a first water inlet hole is formed in the 0-degree position of the middle section of the switch rotating shaft in the same circumferential direction, a second water inlet hole is formed in the 270-degree position of the middle section of the switch rotating shaft, a fan-shaped groove is formed between 60 degrees and 120 degrees of the middle section of the switch rotating shaft, and the first water inlet hole, the second water inlet hole, the first water outlet hole, the second water inlet hole, the second water outlet, The second water outlet holes are communicated with each other, and a notch is further formed in the 180-degree position of the tail end of the switch rotating shaft.
Preferably, the switch rotating shaft is provided with an annular bulge at the middle section, the control component shell fixes the switch rotating shaft through the annular bulge, the switch rotating shaft is limited in the control component shell and only can do rotary motion, the tail end of the switch rotating shaft extends into the connecting port and abuts against the filter element fixing seat, when the switch rotating shaft rotates clockwise by 0 degree, the first water inlet is communicated with the shell water inlet, the first water outlet is communicated with the backwashing water inlet, the gap is positioned at the 180-degree position of the connecting surface to enable the side hole to be communicated with the backwashing water outlet, when the switch rotating shaft rotates clockwise by 90 degrees, the second water inlet is communicated with the shell water inlet, the second water outlet is communicated with the side hole, the bottom surface at the tail end of the switch rotating shaft blocks the backwashing water outlet, when the switch rotating shaft rotates clockwise by 180 degrees, the first water inlet and the second water inlet are disconnected with the shell water inlet to enable the device to be closed, when the switch rotating shaft rotates for 270 degrees clockwise, the flowing water at the water inlet of the shell flows to the water outlet of the shell through the fan-shaped annular groove.
Preferably, the control assembly shell is formed by fixedly connecting an upper shell and a lower shell or a left shell and a right shell.
Preferably, the shell water outlet is arranged at the position below 120-150 degrees of the switch rotating shaft, and the shell water inlet is arranged at the position above 0 degree of the switch rotating shaft.
Preferably, the filter element cylinder is in a hollow cylinder shape, and the lower bottom surface of the filter element cylinder is fixedly connected with the bottom surface of the filter element fixing seat.
The invention has the advantages that: the four functions of opening, closing, filtering and back cleaning of the faucet can be completed only by adjusting the angle of the rotating handle, and the use method is simple and convenient.
When the switch rotating shaft rotates clockwise by 0 degree, the first water inlet hole is communicated with the water inlet of the shell, the first water outlet hole is communicated with the back flush water inlet hole, the gap is positioned at the position of 180 degrees of the connecting surface, so that the side hole is communicated with the back flush water outlet hole, at the moment, water directly flows into the interior of the filter element cylinder, part of the water can be subjected to reverse osmosis to the exterior of the filter element cylinder, the water permeating through the lower bottom surface of the filter element cylinder directly flows out from the water outlet hole of the base below the base, the water permeating through the upper bottom surface and the side surface of the filter element cylinder flows into the water outlet hole of the base below the base through the back flush water outlet hole, the back flush work of the faucet is realized, and the cleaning of the filter element cylinder is carried out.
When the switch rotating shaft rotates clockwise 90 degrees, the second water inlet hole is communicated with the water inlet of the shell, the second water outlet hole is communicated with the side hole, the bottom surface of the tail end of the switch rotating shaft plugs the back washing water outlet hole, at the moment, water enters a space between the filter element cylinder and the shell, then permeates into the filter element cylinder and finally flows out of the water outlet hole of the base below the base, and the water filtering work of the faucet is realized.
When the switch rotating shaft rotates 180 degrees clockwise, the first water inlet hole and the second water inlet hole are disconnected with the water inlet of the shell, so that the device is closed, and the water tap is closed.
When the switch rotating shaft rotates for 270 degrees clockwise, flowing water at the water inlet of the shell flows to the water outlet of the shell through the fan-shaped annular groove, and the water tap is turned on.
Drawings
FIG. 1 is a schematic diagram of the backwash of the present invention;
FIG. 2 is a schematic front view of the switch rotating shaft of the present invention rotating 0 clockwise;
FIG. 3 is a bottom view of the base and the tail end of the switch rotating shaft when the switch rotating shaft rotates 0 degrees clockwise according to the present invention;
FIG. 4 is a schematic view of the connection between the first water inlet hole at the middle section and the water inlet of the housing when the switch rotating shaft rotates 0 degrees clockwise according to the invention;
FIG. 5 is a schematic diagram of filtration according to the present invention;
FIG. 6 is a schematic front view of the switch of the present invention with the rotating shaft rotated 90 clockwise;
FIG. 7 is a bottom view of the base and the tail end of the switch rotating shaft when the switch rotating shaft of the present invention rotates 90 degrees clockwise;
FIG. 8 is a schematic view of the connection between the second water inlet hole at the middle position and the water inlet of the housing when the switch rotating shaft rotates 90 degrees clockwise according to the present invention;
FIG. 9 is a schematic front view of the faucet of the present invention with the switch rotation shaft rotated 180 degrees clockwise when the faucet is off;
FIG. 10 is a schematic view showing the positions of the first water inlet, the second water inlet, the fan-shaped groove and the water inlet of the housing at the middle position when the switch rotating shaft rotates 180 degrees clockwise according to the invention;
FIG. 11 is a schematic view of the faucet of the present invention being opened;
FIG. 12 is a schematic front view of the switch of the present invention with the switch shaft rotated 270 clockwise;
FIG. 13 is a schematic view showing the connection between the fan-shaped groove at the middle section and the water inlet of the housing when the switch rotating shaft rotates 270 degrees clockwise according to the present invention;
FIG. 14 is a right side view of the base of the present invention;
description of reference numerals: 1. a housing; 2. a cartridge body; 3. a base; 31. a filter element fixing seat; 311. a water outlet of the base; 32. a housing fixing seat; 33. a connection port; 34. a connecting surface; 341. backwashing the water inlet; 342. backwashing the water outlet; 35. a side hole; 36. a backwash pipe; 4. a control assembly housing; 41. a housing water inlet; 42. a shell water outlet; 5. a switch rotating shaft; 51. a first water inlet hole; 52. a second water inlet hole; 53. rotating the handle; 54. a first water outlet; 55. a second water outlet; 56. a notch; 57. an annular projection; 58. a fan-shaped annular groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in the figure: the household faucet backwashing filter comprises a water purifying and filtering component and a switch control component, wherein the water purifying and filtering component comprises a shell 1, a filter element cylinder 2 and a base 3, a filter element fixing seat 31 and a shell fixing seat 32 are respectively arranged on the inner side and the outer side above the base 3, the shell 1 is connected with the shell fixing seat 32, the filter element cylinder 2 is connected with the filter element fixing seat 31, the side surface of the base 3 is connected with a connecting port 33, the connecting port 33 is cylindrical, the connecting port 33 penetrates through the shell fixing seat 32 and then is respectively fixedly connected with the filter element fixing seat 31 and the shell fixing seat 32, the connecting surface 34 of the filter element fixing seat 31 and the connecting port 33 is a circular plane, a backwashing water inlet 341 and a backwashing water outlet 342 are arranged at a 0-degree position of the connecting surface 34, a side surface hole 35 is arranged at a position close to the backwashing water outlet 342 on the side surface of the connecting port 33, the bottom surface of the filter element fixing seat 31 is provided with a base water outlet hole 311, a back flushing pipe 36 is arranged above the filter element fixing seat 31, the head end of the back flushing pipe 36 is fixedly connected with a back flushing water inlet hole 341, the tail end of the back flushing pipe 36 is communicated with the inside of the filter element cylinder body 2,
the switch control assembly comprises a control assembly shell 4 and a switch rotating shaft 5, the control assembly shell 4 comprises a shell water inlet 41 arranged at the upper part and a shell water outlet 42 arranged at the lower part, a rotating shaft barrel for accommodating the switch rotating shaft 5 in transverse arrangement is arranged between the shell water inlet 41 and the shell water outlet 42, the tail end of the rotating shaft barrel is connected with the base 3 through a connecting port 33, the head end of the switch rotating shaft 5 is a rotating handle 53, a first water outlet hole 54 is arranged at a position of 0 degree on the bottom surface of the tail end of the switch rotating shaft 5, and a second water outlet hole 55 is arranged at a position of 90 degrees on the side surface of the tail end of the switch rotating shaft 5; a first water inlet hole 51 is formed in the middle section of the switch rotating shaft 5 at a position of 0 degree in the same circumferential direction, a second water inlet hole 52 is formed in the position of 270 degrees, and a fan-shaped annular groove 58 is formed between 60 degrees and 120 degrees; the first water inlet hole 51, the second water inlet hole 52, the first water outlet hole 54 and the second water outlet hole 55 are communicated with each other, and a notch 56 is further formed in the position of 180 degrees at the tail end of the switch rotating shaft 5.
The switch rotating shaft 5 is provided with an annular bulge 57 at the middle section position, the control component shell 4 fixes the switch rotating shaft 5 through the annular bulge 57, the switch rotating shaft 5 is limited in the control component shell 4 and can only do rotary motion, the tail end of the switch rotating shaft 5 extends into the connecting port 33 and abuts against the filter element fixing seat 31, when the switch rotating shaft 5 rotates clockwise by 0 degree, the first water inlet 51 is communicated with the shell water inlet 41, the first water outlet 54 is communicated with the backwashing water inlet 341, the gap 56 is positioned at the position of 180 degrees of the connecting surface to enable the side hole 35 to be communicated with the backwashing water outlet 342, when the switch rotating shaft 5 rotates clockwise by 90 degrees, the second water inlet 52 is communicated with the shell water inlet 41, the second water outlet 55 is communicated with the side hole 35, the bottom surface of the tail end of the switch rotating shaft 5 blocks the backwashing water outlet, when the switch rotating shaft 5 rotates clockwise by 180 degrees, the first water inlet 51, 342, The second water inlet holes 52 are disconnected from the housing water inlet 41 to close the device, and when the switch rotating shaft 5 rotates 270 degrees clockwise, the flowing water at the housing water inlet 41 flows to the housing water outlet 42 through the fan-shaped annular groove 58.
The control component shell 4 is formed by fixedly connecting an upper part and a lower part or a left part and a right part; the shell water outlet 42 is arranged at the position below 120-150 degrees of the switch rotating shaft 5, and the shell water inlet 41 is arranged at the position above 0 degree of the switch rotating shaft 5.
The filter element barrel 2 is in a hollow cylinder shape, and the lower bottom surface of the filter element barrel 2 is fixedly connected with the bottom surface of the filter element fixing seat 31.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (5)
1. A household faucet backwashing filter is characterized by comprising a water purifying and filtering component and a switch control component, wherein the water purifying and filtering component comprises a shell, a filter element cylinder and a base, a filter element fixing seat and a shell fixing seat are respectively arranged on the inner side and the outer side above the base, the shell is connected with the shell fixing seat, the filter element cylinder is connected with the filter element fixing seat, the side surface of the base is connected with a connecting port, the connecting port is cylindrical, the connecting port penetrates through the shell fixing seat and is fixedly connected with the filter element fixing seat and the shell fixing seat respectively, the connecting surface of the filter element fixing seat and the connecting port is a circular plane, a backwashing water inlet hole is arranged at the 0-degree position of the connecting surface, a backwashing water outlet hole is arranged at the 180-degree position of the connecting surface, and a side surface hole is arranged at the position, close to the backwashing water outlet hole, of the side surface of the connecting port, the bottom surface of the filter element fixing seat is provided with a base water outlet hole, a back flushing pipe is arranged above the filter element fixing seat, the head end of the back flushing pipe is fixedly connected with a back flushing water inlet hole, the tail end of the back flushing pipe is communicated with the interior of the filter element cylinder body,
the switch control assembly comprises a control assembly shell and a switch rotating shaft, the control assembly shell comprises a shell water inlet arranged at the upper part and a shell water outlet arranged at the lower part, a rotating shaft cylinder for accommodating the switch rotating shaft to be transversely placed is arranged between the shell water inlet and the shell water outlet, the tail end of the rotating shaft cylinder is connected with the base through a connecting port, the head end of the switch rotating shaft is a rotating handle, a first water outlet hole is formed in the 0-degree position of the bottom surface of the tail end of the switch rotating shaft, a second water outlet hole is formed in the 90-degree position of the side surface of the tail end of the switch rotating shaft, a first water inlet hole is formed in the 0-degree position of the middle section of the switch rotating shaft in the same circumferential direction, a second water inlet hole is formed in the 270-degree position of the middle section of the switch rotating shaft, a fan-shaped groove is formed between 60 degrees and 120 degrees of the middle section of the switch rotating shaft, and the first water inlet hole, the second water inlet hole, the first water outlet hole, the second water inlet hole, the second water outlet, The second water outlet holes are communicated with each other, and a notch is further formed in the 180-degree position of the tail end of the switch rotating shaft.
2. The household faucet backwashing filter of claim 1, wherein the switch rotating shaft is provided with an annular protrusion at a middle position, the control unit housing fixes the switch rotating shaft through the annular protrusion, the switch rotating shaft is limited in the control unit housing and can only rotate, a tail end of the switch rotating shaft extends into the connecting port and abuts against the filter element fixing seat, when the switch rotating shaft rotates clockwise by 0 degree, the first water inlet is communicated with the housing water inlet, the first water outlet is communicated with the backwashing water inlet, the gap is located at a position of 180 degrees of the connecting surface so that the side hole is communicated with the backwashing water outlet, when the switch rotating shaft rotates clockwise by 90 degrees, the second water inlet is communicated with the housing water inlet, the second water outlet is communicated with the side hole, and the bottom surface at the tail end of the switch rotating shaft blocks the backwashing water outlet, when the switch rotating shaft rotates clockwise by 180 degrees, the first water inlet hole and the second water inlet hole are disconnected with the shell water inlet to close the device, and when the switch rotating shaft rotates clockwise by 270 degrees, the flowing water at the shell water inlet flows to the shell water outlet through the fan-shaped annular groove.
3. The back washing filter for household faucet of claim 1, wherein the control assembly housing is formed by fixedly connecting an upper housing and a lower housing or a left housing and a right housing.
4. The household faucet backwashing filter of claim 2, wherein the housing water outlet is disposed 120-150 degrees below the switch rotation axis, and the housing water inlet is disposed 0 degrees above the switch rotation axis.
5. The household faucet backwashing filter of claim 1, wherein the filter element cylinder is in a shape of a cylinder with a hollow interior, and a lower bottom surface of the filter element cylinder is fixedly connected with a bottom surface of the filter element fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121452736.4U CN215721005U (en) | 2021-06-28 | 2021-06-28 | Back-cleaning filter for household faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121452736.4U CN215721005U (en) | 2021-06-28 | 2021-06-28 | Back-cleaning filter for household faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721005U true CN215721005U (en) | 2022-02-01 |
Family
ID=80045709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121452736.4U Active CN215721005U (en) | 2021-06-28 | 2021-06-28 | Back-cleaning filter for household faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721005U (en) |
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2021
- 2021-06-28 CN CN202121452736.4U patent/CN215721005U/en active Active
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