CN221014785U - Self-cleaning pre-filter - Google Patents
Self-cleaning pre-filter Download PDFInfo
- Publication number
- CN221014785U CN221014785U CN202322542404.0U CN202322542404U CN221014785U CN 221014785 U CN221014785 U CN 221014785U CN 202322542404 U CN202322542404 U CN 202322542404U CN 221014785 U CN221014785 U CN 221014785U
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- Prior art keywords
- pipe
- water
- valve
- filter
- casing
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- 238000011045 prefiltration Methods 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000011010 flushing procedure Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract 4
- 239000008399 tap water Substances 0.000 claims description 32
- 235000020679 tap water Nutrition 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000007599 discharging Methods 0.000 description 12
- 239000011090 solid board Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model relates to the technical field of filters, in particular to a self-cleaning pre-filter which is used for back flushing impurities adhered to a filter cylinder; including lid, casing and cartridge filter, lid bottom and casing top threaded connection, lid bottom and cartridge filter top threaded connection, the cartridge filter is in the inside of casing, still including dividing liquid mechanism, water pipe, water valve, rotation sealing mechanism, top solid mechanism and discharge mechanism, the cartridge filter bottom is provided with rotation sealing mechanism, the inside bottom of casing is provided with top solid mechanism, cartridge filter and rotation sealing mechanism form the inner chamber, form the outer chamber between casing and the cartridge filter, divide a set of output intercommunication inner chamber of liquid mechanism, divide another set of output intercommunication outer chamber of liquid mechanism, water pipe installs on the lid top, water pipe input intercommunication inner chamber, be provided with water valve on the water pipe, discharge mechanism installs in the casing bottom.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a self-cleaning pre-filter.
Background
The pre-filter is generally arranged behind a domestic tap water meter, plays a role in prefiltering domestic tap water, and can play a role in protecting domestic pipelines, faucets and wading appliances.
In the prior art, chinese patent publication No. CN204275648U discloses a pre-filter, which comprises a filter valve, wherein the filter valve is provided with a water inlet port and a water outlet port which are opened in the horizontal direction, the upper end of the filter valve is sleeved with a drain knob, the lower end of the filter valve is connected with a filter bowl, and the lower end of the filter bowl is provided with a splash guard; a drain valve connecting rod is vertically arranged in the filter valve, and the upper end of the drain valve connecting rod is connected with a drain knob; a drain valve head and a drain nozzle are arranged in the filter bowl, the upper end of the drain valve head is connected with the lower end of a drain valve connecting rod, and the lower end of the drain valve head is connected with the upper end of the drain nozzle; the upper end of the splash guard is connected with a splash guard connecting piece, and the upper end of the splash guard connecting piece is connected with the lower end of the sewage draining nozzle.
In the use process, the filter assembly is blocked after long-time use due to the existence of granular impurities such as silt rust and the like in tap water, and the filter assembly is required to be disassembled and cleaned by staff, so that the workload of the staff is increased, and the self-cleaning pre-filter is very necessary.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a self-cleaning pre-filter which is convenient to clean.
The utility model discloses a self-cleaning pre-filter, which comprises a cover body, a shell and a filter cartridge, wherein the bottom end of the cover body is in threaded connection with the top end of the shell, the bottom end of the cover body is in threaded connection with the top end of the filter cartridge, the filter cartridge is arranged in the shell, the self-cleaning pre-filter further comprises a liquid separating mechanism, a water pipe, a water valve, a rotary sealing mechanism, a jacking mechanism and a discharging mechanism, the bottom end of the filter cartridge is provided with the rotary sealing mechanism, the jacking mechanism is arranged at the bottom end of the inside of the shell, the filter cartridge and the rotary sealing mechanism form an inner cavity, an outer cavity is formed between the shell and the filter cartridge, one group of output ends of the liquid separating mechanism are communicated with the inner cavity, the other group of output ends of the liquid separating mechanism are communicated with the outer cavity, the water pipe is arranged at the top end of the cover body, the input end of the water pipe is communicated with the inner cavity, the water pipe is provided with a water valve, and the discharging mechanism is arranged at the bottom end of the shell; when the filter cartridge is required to be cleaned and washed, the water valve is closed, the other group of output ends of the liquid separation mechanism is closed, tap water entering the inner cavity enters the outer cavity through the filter cartridge, the impurities adhered on the filter cartridge are backwashed when the tap water enters the outer cavity through the filter cartridge, and the liquid discharge mechanism is opened, so that the impurities in the outer cavity and the tap water in the outer cavity are discharged together.
Preferably, the liquid separating mechanism comprises a water inlet pipe, a water inlet valve, a three-way pipe, a water delivery valve, a flushing pipe and a flushing valve, wherein the input end of the water inlet pipe is communicated with a main tap water pipe, the water inlet valve is arranged on the water inlet pipe, the output end of the water inlet pipe is communicated with the input end of the three-way pipe, one group of output ends of the three-way pipe are communicated with one end of the water pipe, the output end of the water pipe is communicated with an outer cavity, the water delivery valve is arranged on the water pipe, the other group of output ends of the three-way pipe are communicated with the input end of the flushing pipe, the output end of the flushing pipe is communicated with an inner cavity, and the flushing valve is arranged on the flushing pipe; when the impurity on the outer side wall of the filter cartridge is required to be washed, the water valve and the water delivery valve are closed and the flushing valve is opened, so that the tap water enters the inner cavity through the water inlet pipe, the three-way pipe and the water delivery pipe, the tap water entering the outer cavity is filtered through the filter cartridge and is discharged through the water delivery pipe, when the impurity on the outer side wall of the filter cartridge is required to be washed, the tap water enters the inner cavity through the water inlet pipe, the three-way pipe and the flushing pipe, the impurity on the outer side wall of the filter cartridge is washed when the tap water entering the inner cavity enters the outer cavity through the filter cartridge, and the discharge mechanism is opened, so that the impurity in the outer cavity and the tap water are discharged.
Preferably, the discharging mechanism comprises a liquid discharging pipe and a liquid discharging valve, the bottom end of the shell is communicated with the top end of the liquid discharging pipe, and the liquid discharging valve is arranged on the liquid discharging pipe; when the filter cartridge is backwashed, the drain valve is opened, so that impurities and tap water in the outer cavity are discharged outside through the drain pipe, and convenience is improved.
Preferably, the rotary sealing mechanism comprises a clamping ring, a ring sleeve and a bottom plate, the clamping ring is arranged on the outer side wall of the bottom of the filter cartridge, the ring sleeve is rotationally sleeved on the outer side of the clamping ring, and the bottom plate is arranged at the bottom end of the ring sleeve; the clamping ring, the ring sleeve and the bottom plate are matched with each other to seal the bottom end of the filter cartridge, so that the filter cartridge, the clamping ring, the ring sleeve and the bottom plate are matched to form a sealed inner cavity.
Preferably, the jacking and fixing mechanism comprises springs, telescopic rods and a jacking and fixing plate, wherein two groups of springs and two groups of telescopic rods are arranged at the bottom end inside the shell, one group of springs is sleeved on the outer side of each group of telescopic rods respectively, and the top ends of the two groups of springs and the two groups of telescopic rods are connected with the bottom end of the jacking and fixing plate; during installation, first with cartridge filter and lid threaded connection, later the casing suit is in the outside and the lid threaded connection of cartridge filter, and when the casing rotated, two sets of springs, telescopic link and top solid board rotated together, and when top solid board contacted with the bottom plate bottom, the bottom plate was carried out adaptability under the cooperation of ring cover and was rotated, and after the casing spiral shell dress was accomplished, top solid board was carried out the top under the effect of spring elasticity to the cartridge filter and was fixed, improved the stability of cartridge filter.
Preferably, the spring is made of stainless steel; the spring is made of stainless steel, so that the service life of the spring is prolonged.
Preferably, the outer side wall of the shell is provided with an anti-slip coating; the outer side wall of the shell is provided with an anti-slip coating, so that the situation that a user takes off hands when screwing the shell is reduced.
Compared with the prior art, the utility model has the beneficial effects that: when the filter cartridge is required to be cleaned and washed, the water valve is closed, the other group of output ends of the liquid separation mechanism is closed, tap water entering the inner cavity enters the outer cavity through the filter cartridge, the impurities adhered on the filter cartridge are backwashed when the tap water enters the outer cavity through the filter cartridge, and the liquid discharge mechanism is opened, so that the impurities in the outer cavity and the tap water in the outer cavity are discharged together.
Drawings
FIG. 1 is a schematic view of a first axial structure of the present utility model;
FIG. 2 is a schematic view of a second axial structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is a partially enlarged schematic illustration of the structure of portion A in FIG. 3;
The reference numerals in the drawings: 1. a cover body; 2. a housing; 3. a filter cartridge; 4. a water pipe; 5. a water valve is used; 6. a water inlet pipe; 7. a water inlet valve; 8. a three-way pipe; 9. a water pipe; 10. a water delivery valve; 11. a flushing pipe; 12. a flush valve; 13. a liquid discharge pipe; 14. a liquid discharge valve; 15. a clasp; 16. a ring sleeve; 17. a bottom plate; 18. a spring; 19. a telescopic rod; 20. and (5) jacking and fixing the plate.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1, 2 and 3, the self-cleaning pre-filter comprises a cover body 1, a shell 2 and a filter cartridge 3, wherein the bottom end of the cover body 1 is in threaded connection with the top end of the shell 2, the bottom end of the cover body 1 is in threaded connection with the top end of the filter cartridge 3, the filter cartridge 3 is arranged in the shell 2, the self-cleaning pre-filter further comprises a liquid separating mechanism, a water pipe 4, a water valve 5, a rotary sealing mechanism, a jacking mechanism and a discharging mechanism, the bottom end of the filter cartridge 3 is provided with the rotary sealing mechanism, the bottom end of the shell 2 is provided with the jacking mechanism, the filter cartridge 3 and the rotary sealing mechanism form an inner cavity, an outer cavity is formed between the shell 2 and the filter cartridge 3, one group of output ends of the liquid separating mechanism are communicated with the inner cavity, the other group of output ends of the liquid separating mechanism are communicated with the outer cavity, the water pipe 4 is arranged at the top end of the cover body 1, the input end of the water pipe 4 is communicated with the inner cavity, the water pipe 4 is provided with the water valve 5, and the discharging mechanism is arranged at the bottom end of the shell 2;
as shown in fig. 1 and 3, the liquid separating mechanism comprises a water inlet pipe 6, a water inlet valve 7, a three-way pipe 8, a water delivery pipe 9, a water delivery valve 10, a flushing pipe 11 and a flushing valve 12, wherein the input end of the water inlet pipe 6 is communicated with a main tap water pipe, the water inlet valve 7 is arranged on the water inlet pipe 6, the output end of the water inlet pipe 6 is communicated with the input end of the three-way pipe 8, one group of output ends of the three-way pipe 8 are communicated with one end of the water delivery pipe 9, the output end of the water delivery pipe 9 is communicated with an outer cavity, the water delivery valve 10 is arranged on the water delivery pipe 9, the other group of output ends of the three-way pipe 8 are communicated with the input end of the flushing pipe 11, the output end of the flushing pipe 11 is communicated with an inner cavity, and the flushing valve 12 is arranged on the flushing pipe 11;
As shown in fig. 2 and 3, the drainage mechanism comprises a drainage pipe 13 and a drainage valve 14, the bottom end of the shell 2 is communicated with the top end of the drainage pipe 13, and the drainage valve 14 is arranged on the drainage pipe 13.
In this embodiment, when tap water is required to be filtered, the flushing valve 12 is closed, the water inlet valve 7, the water delivery valve 10 and the water valve 5 are opened, so that tap water enters the outer cavity through the water inlet pipe 6, the three-way pipe 8 and the water delivery pipe 9, the tap water entering the outer cavity is filtered through the filter cartridge 3 and is discharged through the water delivery pipe 4, when the impurities on the outer side wall of the filter cartridge 3 are required to be flushed, the water delivery valve 5 and the water delivery valve 10 are closed, the flushing valve 12 is opened, so that tap water enters the inner cavity through the water inlet pipe 6, the three-way pipe 8 and the flushing pipe 11, and when the tap water entering the inner cavity enters the outer cavity through the filter cartridge 3, the impurities on the outer side wall of the filter cartridge 3 are flushed, and the tap water is discharged through the drain pipe 13.
Example 2
As shown in fig. 1, 2 and 3, the self-cleaning pre-filter comprises a cover body 1, a shell 2 and a filter cartridge 3, wherein the bottom end of the cover body 1 is in threaded connection with the top end of the shell 2, the bottom end of the cover body 1 is in threaded connection with the top end of the filter cartridge 3, the filter cartridge 3 is arranged in the shell 2, the self-cleaning pre-filter further comprises a liquid separating mechanism, a water pipe 4, a water valve 5, a rotary sealing mechanism, a jacking mechanism and a discharging mechanism, the bottom end of the filter cartridge 3 is provided with the rotary sealing mechanism, the bottom end of the shell 2 is provided with the jacking mechanism, the filter cartridge 3 and the rotary sealing mechanism form an inner cavity, an outer cavity is formed between the shell 2 and the filter cartridge 3, one group of output ends of the liquid separating mechanism are communicated with the inner cavity, the other group of output ends of the liquid separating mechanism are communicated with the outer cavity, the water pipe 4 is arranged at the top end of the cover body 1, the input end of the water pipe 4 is communicated with the inner cavity, the water pipe 4 is provided with the water valve 5, and the discharging mechanism is arranged at the bottom end of the shell 2;
as shown in fig. 1 and 3, the liquid separating mechanism comprises a water inlet pipe 6, a water inlet valve 7, a three-way pipe 8, a water delivery pipe 9, a water delivery valve 10, a flushing pipe 11 and a flushing valve 12, wherein the input end of the water inlet pipe 6 is communicated with a main tap water pipe, the water inlet valve 7 is arranged on the water inlet pipe 6, the output end of the water inlet pipe 6 is communicated with the input end of the three-way pipe 8, one group of output ends of the three-way pipe 8 are communicated with one end of the water delivery pipe 9, the output end of the water delivery pipe 9 is communicated with an outer cavity, the water delivery valve 10 is arranged on the water delivery pipe 9, the other group of output ends of the three-way pipe 8 are communicated with the input end of the flushing pipe 11, the output end of the flushing pipe 11 is communicated with an inner cavity, and the flushing valve 12 is arranged on the flushing pipe 11;
As shown in fig. 2 and 3, the drainage mechanism comprises a drainage pipe 13 and a drainage valve 14, the bottom end of the shell 2 is communicated with the top end of the drainage pipe 13, and the drainage valve 14 is arranged on the drainage pipe 13;
As shown in fig. 3 and 4, the rotary sealing mechanism comprises a clamping ring 15, a ring sleeve 16 and a bottom plate 17, wherein the clamping ring 15 is arranged on the outer side wall of the bottom of the filter cartridge 3, the ring sleeve 16 is rotationally sleeved on the outer side of the clamping ring 15, and the bottom end of the ring sleeve 16 is provided with the bottom plate 17;
as shown in fig. 3 and 4, the jacking mechanism comprises springs 18, telescopic rods 19 and a jacking plate 20, two groups of springs 18 and two groups of telescopic rods 19 are arranged at the bottom end inside the shell 2, one group of springs 18 is sleeved on the outer side of each group of telescopic rods 19, and the top ends of the two groups of springs 18 and the two groups of telescopic rods 19 are connected with the bottom end of the jacking plate 20.
In this embodiment, the snap ring 15, the ring sleeve 16 and the bottom plate 17 are mutually matched to seal the bottom end of the filter cartridge 3, so that the filter cartridge 3, the snap ring 15, the ring sleeve 16 and the bottom plate 17 are matched to form a sealed inner cavity, the filter cartridge 3 is firstly in threaded connection with the cover 1, then the shell 2 is sleeved on the outer side of the filter cartridge 3 and in threaded connection with the cover 1, when the shell 2 rotates, the two groups of springs 18, the telescopic rods 19 and the top fixing plate 20 rotate together, when the top fixing plate 20 contacts with the bottom end of the bottom plate 17, the bottom plate 17 adaptively rotates under the matching of the ring sleeve 16, after the shell 2 is screwed, the top fixing plate 20 jacks the filter cartridge 3 under the action of the elastic force of the springs 18, when tap water is needed to be filtered, the flushing valve 12 is closed, the water inlet valve 7, the water delivery valve 10 and the water delivery valve 5 are opened, so that tap water enters the outer cavity through the inlet pipe 6, the three-way pipe 8 and the water delivery pipe 9, after the tap water enters the outer cavity is filtered by the filter cartridge 3, and the tap water delivery pipe 4 is discharged, when the impurities on the outer side wall of the filter cartridge 3 need to be washed, the top fixing plate 20 is closed, and the water delivery valve 12 is opened, the tap valve is opened, and the tap water is enabled to enter the outer cavity through the water delivery pipe 3, and the outer cavity through the water delivery valve 13 when the tap water delivery valve is opened, and the tap water is discharged through the water delivery valve and the water pipe 3.
The self-cleaning prefilter of the present utility model has a stainless steel filter cartridge 3, and the cover 1, the housing 2, the filter cartridge 3, the water valve 5, the tee 8, the snap ring 15, the collar 16 and the bottom plate 17 are commercially available, and can be installed and operated by those skilled in the art according to the attached instructions without the creative effort of those skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a self-cleaning's leading filter, including lid (1), casing (2) and cartridge filter (3), lid (1) bottom and casing (2) top threaded connection, lid (1) bottom and cartridge filter (3) top threaded connection, cartridge filter (3) are in the inside of casing (2), a serial communication port, still include liquid separation mechanism, water pipe (4), water valve (5), rotary seal mechanism, top solid mechanism and discharge mechanism, cartridge filter (3) bottom is provided with rotary seal mechanism, casing (2) inside bottom is provided with top solid mechanism, cartridge filter (3) and rotary seal mechanism form the inner chamber, form the outer chamber between casing (2) and the cartridge filter (3), a set of output intercommunication inner chamber of liquid separation mechanism, another set of output intercommunication outer chamber of liquid separation mechanism, install in lid (1) top with water pipe (4) input intercommunication inner chamber, be provided with water valve (5) on water pipe (4), discharge mechanism installs in casing (2) bottom.
2. The self-cleaning prefilter of claim 1, wherein the liquid separation mechanism comprises a water inlet pipe (6), a water inlet valve (7), a three-way pipe (8), a water pipe (9), a water conveying valve (10), a flushing pipe (11) and a flushing valve (12), wherein the input end of the water inlet pipe (6) is communicated with a main tap water pipe, the water inlet valve (7) is arranged on the water inlet pipe (6), the output end of the water inlet pipe (6) is communicated with the input end of the three-way pipe (8), one group of output ends of the three-way pipe (8) is communicated with one end of the water pipe (9), the output end of the water pipe (9) is communicated with an outer cavity, the other group of output ends of the three-way pipe (8) is communicated with the input end of the flushing pipe (11), the output end of the flushing pipe (11) is communicated with the inner cavity, and the flushing valve (12) is arranged on the flushing pipe (11).
3. A self-cleaning prefilter according to claim 1, wherein the drain mechanism comprises a drain pipe (13) and a drain valve (14), the bottom end of the housing (2) is connected to the top end of the drain pipe (13), and the drain valve (14) is provided on the drain pipe (13).
4. A self-cleaning prefilter as defined in claim 1, wherein the rotary sealing mechanism comprises a snap ring (15), a collar (16) and a bottom plate (17), the bottom outer side wall of the filter cartridge (3) is provided with the snap ring (15), the collar (16) is rotatably sleeved on the outer side of the snap ring (15), and the bottom end of the collar (16) is provided with the bottom plate (17).
5. The self-cleaning pre-filter according to claim 1, wherein the jacking mechanism comprises springs (18), telescopic rods (19) and jacking plates (20), two groups of springs (18) and two groups of telescopic rods (19) are arranged at the bottom end inside the shell (2), one group of springs (18) is sleeved outside each group of telescopic rods (19), and the top ends of the two groups of springs (18) and the two groups of telescopic rods (19) are connected with the bottom ends of the jacking plates (20).
6. A self-cleaning prefilter according to claim 5, wherein said spring (18) is made of stainless steel.
7. A self-cleaning pre-filter according to claim 1, characterized in that the outer side wall of the housing (2) is provided with an anti-slip coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322542404.0U CN221014785U (en) | 2023-09-19 | 2023-09-19 | Self-cleaning pre-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322542404.0U CN221014785U (en) | 2023-09-19 | 2023-09-19 | Self-cleaning pre-filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221014785U true CN221014785U (en) | 2024-05-28 |
Family
ID=91175039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322542404.0U Active CN221014785U (en) | 2023-09-19 | 2023-09-19 | Self-cleaning pre-filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221014785U (en) |
-
2023
- 2023-09-19 CN CN202322542404.0U patent/CN221014785U/en active Active
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