CN205730529U - Preposition backwash filter - Google Patents
Preposition backwash filter Download PDFInfo
- Publication number
- CN205730529U CN205730529U CN201521132645.7U CN201521132645U CN205730529U CN 205730529 U CN205730529 U CN 205730529U CN 201521132645 U CN201521132645 U CN 201521132645U CN 205730529 U CN205730529 U CN 205730529U
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- China
- Prior art keywords
- outer cylinder
- cylinder body
- filtration core
- preposition
- blow
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Abstract
This utility model provides a kind of preposition backwash filter, belongs to filter apparatus technical field.It solve existing preposition backwash filter filter cylinder cleaning inconvenience etc. problem.This preposition backwash filter coiling automatic controls, including outer cylinder body be fixed in outer cylinder body and tubular filtration core, annular space is formed between outer cylinder body and filtration core, it is provided with end cap in the upper end of outer cylinder body, end cap is provided with water inlet and outlet, described water inlet connects with annular space, described outlet is internal with filtration core to be connected and the lower end closed of filtration core, it is provided with at least channel washer in described annular space, described channel washer has the cleaning section that can contact with filtration core outer surface.This utility model simple in construction, easy to clean, cleaning performance good.
Description
Technical field
This utility model relates to filter apparatus technical field, especially relates to a kind of preposition backwash filter.
Background technology
Fore filter is the first coarse filtration equipment to service water, and it can filter the silt in tap water, rust, large particulate matter.Existing fore filter includes filter cylinder and is installed on the filter element of cartridge interior, and filter cylinder top is provided with water inlet and outlet, and water inlet is connected with outlet by filter element.During work, water to be filtered enters in filter cylinder from water inlet, flows through filter element, obtains water purification, and water purification is discharged by outlet, after a protracted use, in order to ensure water quality, it is necessary to taken apart by the filter cylinder of filter, then filter screen removes cleaning, cumbersome.
In order to solve the problem that prior art exists, people have carried out long-term exploration, it is proposed that solution miscellaneous.Such as, Chinese patent literature discloses a kind of preposition water filter of back flush type [application number: 201210113272.3], including water inlet and outlet；Housing；Filter screen；With water (flow) direction conversion equipment；Housing defines filter cavity, and the water wherein flowed into from water inlet flows out from outlet after flowing through filter cavity；Filter screen is arranged in housing and filter cavity is separated into inner filtration cavity and outer filter cavity.
Such scheme to some extent solves the problem of existing fore filter cleaning inconvenience, but the changing the direction of a stream of water to realize automatically cleaning by self structure and there is cleaning thorough shortcoming of the program.
Summary of the invention
The purpose of this utility model is for the problems referred to above, it is provided that a kind of simple in construction, to the easy to clean of filter cylinder and the most preposition backwash filter of cleaning.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: includes outer cylinder body and is fixed on the interior and tubular filtration core of outer cylinder body, annular space is formed between outer cylinder body and filtration core, it is provided with end cap in the upper end of outer cylinder body, end cap is provided with water inlet and outlet, described water inlet connects with annular space, described outlet is internal with filtration core to be connected and the lower end closed of filtration core, it is characterized in that, at least channel washer it is provided with in described annular space, there is on described channel washer the cleaning section that can contact with filtration core outer surface, the lower end of described channel washer is provided with the disk body being positioned at filtration core lower end and being rotationally connected with filtration core, described disk body center has the blowdown assembly being arranged in outer cylinder body lower end and being rotationally connected with outer cylinder body, described blowdown assembly is coaxially disposed with filtration core and outer cylinder body.
In above-mentioned preposition backwash filter, described blowdown assembly includes the blow-off pipe being arranged in outer cylinder body lower end rotationally, and described blow-off pipe is circumferentially fixed with disk body to be connected, and is provided with blowoff valve on blow-off pipe.
In above-mentioned preposition backwash filter, described blow-off pipe is provided with the rotation set that be connected and can increase blow-off pipe torsional moment circumferentially fixed with blow-off pipe.
In above-mentioned preposition backwash filter, described rotation set is sheathed on outer cylinder body lower end rotationally.
In above-mentioned preposition backwash filter, the quantity of described channel washer is two and is symmetrical arranged.
In above-mentioned preposition backwash filter, described cleaning section is arc surfaced.
In above-mentioned preposition backwash filter, described channel washer is fixed on disk body by demountable structure or is connected as a single entity structure with disk body.
Compared with prior art, the advantage of this preposition backwash filter is: simple in construction, low cost, easy to clean, cleaning performance is good.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model provides.
Fig. 2 is the structural representation of the filtration core that this utility model provides.
Fig. 3 is the disk body of this utility model offer and the structural representation arranging a channel washer.
Fig. 4 is the disk body of this utility model offer and the structural representation arranging two channel washers.
In figure, outer cylinder body 1, filtration core 2, annular space 3, end cap 4, water inlet 41, outlet 42, channel washer 5, cleaning section 51, disk body 6, blowdown assembly 7, blow-off pipe 71, blowoff valve 72, rotation set 73.
Detailed description of the invention
The utility model is described in more detail with detailed description of the invention below in conjunction with the accompanying drawings.
nullAs Figure 1-4，This preposition backwash filter，Including outer cylinder body 1 with in being fixed on outer cylinder body 1 and tubular filtration core 2，Annular space 3 is formed between outer cylinder body 1 and filtration core 2，It is provided with end cap 4 in the upper end of outer cylinder body 1，End cap 4 is provided with water inlet 41 and outlet 42，And water inlet 41 connects with annular space 3，This outlet 42 is internal with filtration core 2 to be connected and the lower end closed of filtration core 2，Wherein，At least channel washer 5 it is provided with in annular space 3，There is on channel washer 5 cleaning section 51 that can contact with filtration core 2 outer surface，The lower end of channel washer 5 is provided with the disk body 6 being positioned at filtration core 2 lower end and being rotationally connected with filtration core 2，Channel washer 5 fits in the outside of filtration core 2，Rotate in a circumferential direction filtration core 2 can be accomplished omnibearing cleaning around filtration core 2，And just can complete work in outer cylinder body 1 inside，Need not remove，The most convenient，Its disk body 6 center has the blowdown assembly 7 being arranged in outer cylinder body 1 lower end and being rotationally connected with outer cylinder body 1，Described blowdown assembly 7 is coaxially disposed with filtration core 2 and outer cylinder body 1.
Specifically, the blowdown assembly 7 of this preposition backwash filter includes the blow-off pipe 71 being arranged in outer cylinder body 1 lower end rotationally, blow-off pipe 71 is circumferentially fixed with disk body 6 to be connected, blow-off pipe 71 is provided with blowoff valve 72, blow-off pipe 71 is provided with the rotation set 73 that be connected and can increase blow-off pipe 71 torsional moment circumferentially fixed with blow-off pipe 71, rotation set 73 is sheathed on outer cylinder body 1 lower end rotationally, rotates rotation set 73 and i.e. can rotate in a circumferential direction channel washer 5 and be cleaned work in portion outside.
Further, when the quantity of channel washer 5 is two and when being symmetrical arranged, cleaning efficiency can be improved, and cleaning is more thorough, its cleaning section 51 is in arc surfaced, and channel washer 5 is fixed on disk body 6 by demountable structure or is connected as a single entity structure with disk body 6, and integral structure makes channel washer 5 structural strength more preferable, being more convenient for changing according to demountable structure, use cost is lower.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although the most more employing the terms such as outer cylinder body 1, filtration core 2, annular space 3, end cap 4, water inlet 41, outlet 42, channel washer 5, cleaning section 51, disk body 6, blowdown assembly 7, blow-off pipe 71, blowoff valve 72, rotation set 73, but it is not precluded from using the probability of other term.Use these terms to be only used to more easily and describe and explain essence of the present utility model；It is all contrary with this utility model spirit for being construed as any additional restriction.
Claims (6)
- null1. a preposition backwash filter，Including outer cylinder body (1) be fixed in outer cylinder body (1) and tubular filtration core (2)，Annular space (3) is formed between outer cylinder body (1) and filtration core (2)，It is provided with end cap (4) in the upper end of outer cylinder body (1)，End cap (4) is provided with water inlet (41) and outlet (42)，Described water inlet (41) connects with annular space (3)，Described outlet (42) is internal with filtration core (2) to be connected and the lower end closed of filtration core (2)，It is characterized in that，It is provided with at least channel washer (5) in described annular space (3)，There is on described channel washer (5) cleaning section (51) that can contact with filtration core (2) outer surface，The lower end of described channel washer (5) is provided with the disk body (6) being positioned at filtration core (2) lower end and being rotationally connected with filtration core (2)，Described disk body (6) center has the blowdown assembly (7) being arranged in outer cylinder body (1) lower end and being rotationally connected with outer cylinder body (1)，Described blowdown assembly (7) is coaxially disposed with filtration core (2) and outer cylinder body (1),Described blowdown assembly (7) includes the blow-off pipe (71) being arranged in outer cylinder body (1) lower end rotationally，Described blow-off pipe (71) is circumferentially fixed with disk body (6) to be connected，Blow-off pipe (71) is provided with blowoff valve (72).
- Preposition backwash filter the most according to claim 1, it is characterized in that, described blow-off pipe (71) is provided with the rotation set (73) that be connected and can increase blow-off pipe (71) torsional moment circumferentially fixed with blow-off pipe (71), and rotation set can increase torsional moment consequently facilitating drive blow-off pipe to rotate.
- Preposition backwash filter the most according to claim 2, it is characterised in that described rotation set (73) is sheathed on outer cylinder body (1) lower end rotationally.
- 4. according to the preposition backwash filter described in claim 1 or 2 or 3, it is characterised in that the quantity of described channel washer (5) is two and is symmetrical arranged.
- 5. according to the preposition backwash filter described in claim 1 or 2 or 3, it is characterised in that described cleaning section (51) is in arc surfaced.
- 6. according to the preposition backwash filter described in claim 1 or 2 or 3, it is characterised in that described channel washer (5) is fixed on disk body (6) by demountable structure and above or is connected as a single entity structure with disk body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132645.7U CN205730529U (en) | 2015-12-31 | 2015-12-31 | Preposition backwash filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132645.7U CN205730529U (en) | 2015-12-31 | 2015-12-31 | Preposition backwash filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205730529U true CN205730529U (en) | 2016-11-30 |
Family
ID=57388116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521132645.7U Expired - Fee Related CN205730529U (en) | 2015-12-31 | 2015-12-31 | Preposition backwash filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205730529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211461A (en) * | 2018-03-20 | 2018-06-29 | 倪秀秀 | Switching valve and the backwash fore filter with switching valve |
| CN108939654A (en) * | 2018-09-25 | 2018-12-07 | 白红创 | A kind of self-cleaning fore filter |
-
2015
- 2015-12-31 CN CN201521132645.7U patent/CN205730529U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211461A (en) * | 2018-03-20 | 2018-06-29 | 倪秀秀 | Switching valve and the backwash fore filter with switching valve |
| CN108211461B (en) * | 2018-03-20 | 2023-09-19 | 倪秀秀 | Switching valve and back flush prefilter with switching valve |
| CN108939654A (en) * | 2018-09-25 | 2018-12-07 | 白红创 | A kind of self-cleaning fore filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |