CN208244219U - The positive external-compression type fore filter rinsed with backwashing function of band - Google Patents
The positive external-compression type fore filter rinsed with backwashing function of band Download PDFInfo
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- CN208244219U CN208244219U CN201820079772.2U CN201820079772U CN208244219U CN 208244219 U CN208244219 U CN 208244219U CN 201820079772 U CN201820079772 U CN 201820079772U CN 208244219 U CN208244219 U CN 208244219U
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Abstract
The utility model relates to a kind of bands just to rinse the external-compression type fore filter with backwashing function, including fore filter ontology, fore filter ontology includes bringing into, the head of water outlet, the filter flask being connect with head, the skeleton being placed in filter flask, set on intraskeletal filter core and set on the drainage element of bottom, drainage channel is equipped in skeleton, skeleton bottom is additionally provided with the positive draining runner switching mechanism rinsed and backwash, it drains runner switching mechanism and is equipped with first passage mouth and second channel mouth, second channel mouth can open or close, when second channel mouth is closed, drain outlet, first row water flow passage is formed between first passage mouth and drainage element；When second channel mouth is opened, second row water flow passage is formed between second channel mouth, first passage mouth and drainage element；It is located at the direct or indirect rotary seal in second channel mouth lower part between the filter flask inner wall and draining runner switching mechanism.The structure design of the utility model is reasonable, easy to process, can easily switch draining runner.
Description
Technical field
The utility model relates to a kind of bands just to rinse the external-compression type fore filter with backwashing function, belong to filter plant
Technical field.
Background technique
Fore filter in the prior art include: head, upper end and head connection filter flask, connect with filter flask lower end
Draining sealing element and with the drainage element that connect of draining sealing element, be provided with filter mechanism in filter flask.During use, water from
The water inlet of head flows into the gap between filter flask and filter mechanism, and the center of filter mechanism is flowed into after filtering, then by
Filter mechanism center flow to the water outlet of head.
Using after a certain period of time, filter mechanism can be blocked fore filter by the impurity in water, be cleared up to protect
Filter effect is held, existing fore filter is due to structure constraint, and draining runner can not need to switch according to operating condition, cleaning way
It is single or intake direct washing and filtering mechanism surface by water inlet, it is as just rinsing or by backwash, it is positive to rinse
Free switching cannot be needed according to operating condition between backwash, with cleaning filter mechanism more thoroughly, the utility model is intended to
Solve this technical problem.
Utility model content
Utility model aims to solve the deficiencies in the prior art, a kind of band is provided and is just being rinsed and backwashing function
External-compression type fore filter, this is reasonable in design, easy to process, can easily switch draining runner, to realize positive rinse
With the efficient switching of backwash, and then realize filter mechanism efficient cleaning.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
The positive external-compression type fore filter rinsed with backwashing function of band, including fore filter ontology, the preposition mistake
Filter body include the head with entery and delivery port, the filter flask being connect with head, the skeleton being placed in filter flask, be set to it is intraskeletal
Filter core and drainage element set on bottom, are equipped with drainage channel in skeleton, and skeleton bottom is additionally provided with positive rinse and the draining of backwash
Runner switching mechanism, draining runner switching mechanism be equipped with first passage mouth and second channel mouth, second channel mouth can open or
It closes, when second channel mouth is closed, forms first row water flow passage between drain outlet, first passage mouth and drainage element；The
When two passways are opened, second row water flow passage is formed between second channel mouth, first passage mouth and drainage element；The filter flask inner wall
It is located at the direct or indirect rotary seal in second channel mouth lower part between draining runner switching mechanism.
Rotary seal: being rotatablely connected therebetween and seal simultaneously, and water will not be through rotation connection contact surface.
Preferably, at least part abuts between the filter flask inner wall and/or filter core outer wall and skeleton side wall, generates static friction
Power F1,
The draining runner switching mechanism includes the type chamber set on skeleton bottom and the bridgeware outside type chamber,
First passage mouth and second channel mouth are set on type chamber, and the bridgeware can rotate logical to open or close second relative to type chamber
Road junction, frictional force when rotating member rotates between type chamber are F2, the F1 > F2；
The bridgeware is located at second channel mouth or less part and the direct or indirect rotary seal of filter flask inner wall.
The structure design of the utility model is reasonable, easy to process, can easily switch draining runner, with realize it is positive rinse and
The efficient switching of backwash, and then realize the efficient cleaning of filter mechanism.Its specific working mode is as follows: when bridgeware closes the
It is backwash mode when two passways, water flow is discharged via the first passage mouth of drain outlet, type chamber by drainage element, water
The impurity for being embedded in cartridge surface is sucked out by the siphon power generated when draining runner for stream, and then exhausts；Rotating member rotating opening
When second channel mouth, water flow is expelled directly out via second channel mouth by drainage element, and be positive rinse mode, directly rinses out filter core table
The large granular impurity in face.F1 > F2 guarantees that skeleton will not rotate synchronously when rotating member opens or closes second channel mouth.
Preferably, the type chamber by outwardly protrude setting outer mold cavity component and skeleton clamping constitute or integrated injection molding at
Type.
Preferably, the type chamber by the interior mold cavity component for the setting that is recessed inwardly and skeleton clamping constitute or integrated injection molding at
Type, when interior mold cavity component and skeleton integrated injection molding, the demoulding mouth at the top of interior mold cavity component is sealed by a sealing element.
The utility model provides the constituted mode of four kinds of type chambers, can facilitate realization the purpose of this utility model.
Preferably, the outer mold cavity component and inner mold chamber part are all provided with finite place piece, for limiting the rotational angle of rotating member.
Locating part is set, guaranteeing that rotating member fully opens or under the premise of closing passage mouth, further rotate rotating member, overcome quiet rub
Power F1 is wiped, realizes the rotation of skeleton, realizes that skeleton synchronizes the effect for scraping filter flask.
Preferably, the outer mold cavity component or interior mold cavity component are equipped with limiting groove, are correspondingly provided with limit convex on rotating member
Item, by the cooperation of limiting groove and limit raised line, rotating member is rotated coaxially and is connect with outer mold cavity component or interior mold cavity component.Turn
It is circumferential between moving part and type chamber to rotate, but radial direction cannot generate displacement, improve the reliability and stabilization of the utility model
Property.
Preferably, the drainage channel is made of several siphon parts with siphon function, and the siphon part is axially clamped
In inboard wall of skeleton.
Preferably, it is directly abutted between the filter flask inner wall and skeleton side wall.When directly abutting, realized by skeleton to filter
The cleaning of bottle inner wall, easy to operate, processing cost is low.
Preferably, the skeleton side wall is axially arranged with several cleaning items, is abutted by cleaning item with skeleton on the inside of filter flask.It is logical
Increase cleaning item is crossed, cleaning effect is improved, a kind of more preferably implementation is provided.
Preferably, several locating slots are equipped at the top of the filter flask, filter core is equipped with several positioning pins, passes through locating slot and positioning
The cooperation of pin, relatively fixed between filter flask and filter core, the filter flask lower end is rotatably connected to operation knob, is embedded in operation knob
There is transition piece, bridgeware is fixedly connected by transition piece with operation knob, and drainage element is set to operation knob bottom, the bridgeware
Pass through transition piece and the indirect rotary seal in filter flask bottom.
The beneficial effects of the utility model are: the structure design of the utility model is reasonable, and it is easy to process, can easily it switch
Runner is drained, to realize the positive efficient switching rinsed and backwash, and then realizes the efficient cleaning of filter mechanism.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the cross-sectional view of embodiment 1；
Fig. 3 is the exploded view of Fig. 2 middle skeleton, type chamber and rotating member；
Fig. 4 is that second row water flow passage is opening schematic diagram when embodiment 1 is just rinsing working condition；
Fig. 5 is that first row water flow passage opens schematic diagram when embodiment 1 backwashes working condition；
Fig. 6 is the exploded view of the skeleton of the utility model embodiment 2, type chamber and rotating member；
Fig. 7 is the cross-sectional view of the skeleton of the utility model embodiment 2, type chamber and rotating member.
In figure: 1, filter flask, 2, operation knob, 3, drainage element, 4, skeleton, 5, cleaning item, 6, type chamber, 6a, outer mold cavity component,
6b, first passage mouth, 6c, second channel mouth, 6d, interior mold cavity component, 7, rotating member, 8, transition piece, 9, siphon part, 10, limit
Part, 11, drain outlet.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment 1:
The positive external-compression type fore filter rinsed with backwashing function of band as shown in Figs. 1-5, including fore filter sheet
Body, the fore filter ontology include the head with entery and delivery port, the filter flask connecting with head 1, the bone being placed in filter flask 1
Frame 4, the filter core in skeleton 4 and the drainage element 3 set on bottom, are equipped with drainage channel in skeleton 4,1 inner wall of filter flask with
It is sealed between 4 bottom sidewall of skeleton, 4 bottom of skeleton is additionally provided with the positive draining runner switching mechanism rinsed and backwash, blowdown stream
Road switching mechanism is equipped with first passage mouth 6b and second channel mouth 6c, and second channel mouth 6c can be opened or closed, second channel
When mouth 6c is closed, first row water flow passage is formed between drain outlet 11, first passage mouth 6b and drainage element 3；Second channel
When mouth is opened, second row water flow passage is formed between second channel mouth 6c, first passage mouth 6b and drainage element 3；
It is located at the lower part second channel mouth 6c between 1 inner wall of filter flask and draining runner switching mechanism directly or indirectly to rotate
Sealing.
Specific to the present embodiment, at least part is abutted between 1 inner wall of filter flask and/filter core outer wall and 4 side wall of skeleton, is produced
Raw stiction F1,
The draining runner switching mechanism includes the type chamber 6 set on 4 bottom of skeleton and the conversion outside type chamber 6
Part 7, first passage mouth 6b and second channel mouth 6c are set on type chamber 6, and when actual processing facilitates processing, and first passage mouth 6b is set to
6 bottom of type chamber, second channel mouth 6c are set to 6 side of type chamber, and the bridgeware 7 can be rotated relative to type chamber 6 to open or close
Second channel mouth 6c, frictional force when rotating member 7 rotates between type chamber 6 are F2, the F1 > F2；
The bridgeware 7 is located at the part second channel mouth 6c or less and the direct or indirect rotary seal of 1 inner wall of filter flask.
The structure design of the utility model is reasonable, easy to process, can easily switch draining runner, with realize it is positive rinse and
The efficient switching of backwash, and then realize the efficient cleaning of filter mechanism.Its specific working mode is as follows: when bridgeware 7 is closed
When second channel mouth 6c, be backwash mode, water flow via drain outlet 11,6 bottom of type chamber first passage mouth 6b by
Drainage element 3 is discharged, and water flow passes through the siphon power generated when drainage channel and the impurity for being embedded in cartridge surface is sucked out, and then exhausts；
When 7 rotating opening second channel mouth 6c of rotating member, water flow is expelled directly out via second channel mouth 6c by drainage element 3, and be positive flushing
Mode directly rinses out the large granular impurity of cartridge surface.F1 > F2 guarantees that rotating member 7 opens or closes second channel mouth 6c
When skeleton 4 will not rotate synchronously.
Specific to the present embodiment, the type chamber 6 is made of the outer mold cavity component 6a for outwardly protruding setting with the clamping of skeleton 4.
Specific to the present embodiment, the outer mold cavity component 6a is equipped with locating part 10, for limiting the angle of rotation of rotating member 7
Degree.Locating part 10 is set, under the premise of guaranteeing that rotating member 7 fully opens or close second channel mouth 6c, further rotates and turns
Moving part 7, including active rotation or passive rotation, overcome stiction F1, realize the rotation of skeleton 4, realize that skeleton 4 synchronizes and scrape
The effect of filter flask 1.
Specific to the present embodiment, the outer mold cavity component 6a is equipped with limiting groove, is correspondingly provided with limit convex on rotating member 7
Item, by the cooperation of limiting groove and limit raised line, rotating member 7 is rotated coaxially with outer mold cavity component 6a and is connect.Rotating member 7 and type
It is circumferential between chamber 6 to rotate, but displacement axially cannot be generated, improve the reliability and stability of the utility model.
Specific to the present embodiment, the drainage channel is made of several siphon parts 9 with siphon function, the siphon part
9 are axially connected in 4 inner wall of skeleton.It is directly abutted between 1 inner wall of filter flask and 4 side wall of skeleton；
In addition, 4 side wall of skeleton is axially also provided with several cleaning items 5, pass through cleaning item 5 and bone on the inside of filter flask 1
Frame 4 abuts.By increasing cleaning item 5, improves cleaning effect, a kind of more preferably implementation is provided.
Specific to the present embodiment, several locating slots are equipped at the top of the filter flask 1, filter core is equipped with several positioning pins, by fixed
The cooperation of position slot and positioning pin, relatively fixed between filter flask 1 and filter core, 1 lower end of filter flask is rotatably connected to operation knob 2,
Transition piece 8 is embedded in operation knob 2, bridgeware 7 is fixedly connected by transition piece 8 with operation knob 2, and drainage element 3 is set to behaviour
Make 2 bottom of knob, the bridgeware 7 passes through transition piece 8 and the indirect rotary seal in 1 bottom of filter flask.
Embodiment 2
The positive external-compression type fore filter rinsed with backwashing function of band as shown in Figures 6 and 7, the same embodiment of basic structure
1, the difference is that, the type chamber 6 is made of the interior mold cavity component 6d for the setting that is recessed inwardly and the clamping of skeleton 4.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims, originally
Type chamber described in utility model 6 by outwardly protrude setting outer mold cavity component 6b and 4 integrated injection molding of skeleton or the type
Chamber 6 by the setting that is recessed inwardly interior mold cavity component 6d and 4 integrated injection molding of skeleton, as interior mold cavity component 6d and the one of skeleton 4
When injection molding, because mold releasability can generate demoulding mouth, the demoulding mouth at the top of interior mold cavity component 6d is sealed by a sealing element.
Claims (10)
1. the positive external-compression type fore filter rinsed with backwashing function of band, including fore filter ontology, the prefilter
Device ontology includes the head with entery and delivery port, the filter flask connecting with head, the skeleton being placed in filter flask, is set to intraskeletal filter
Core and drainage element set on bottom are equipped with drainage channel in skeleton, it is characterised in that: skeleton bottom is additionally provided with positive rinse and recoil
The draining runner switching mechanism washed, draining runner switching mechanism are equipped with first passage mouth and second channel mouth, second channel mouth energy
It enough opens or closes, forms the first draining when second channel mouth is closed, between drain outlet, first passage mouth and drainage element
Runner；When second channel mouth is opened, second row water flow passage is formed between second channel mouth, first passage mouth and drainage element；
It is located at the direct or indirect rotary seal in second channel mouth lower part between the filter flask inner wall and draining runner switching mechanism.
2. band according to claim 1 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
It states and is at least locally abutted between filter flask inner wall and/or filter core outer wall and skeleton side wall, generate stiction F1,
A type chamber of the draining runner switching mechanism comprising being set to skeleton bottom and the bridgeware outside type chamber, first
Passway and second channel mouth are set on type chamber, and the bridgeware can be rotated relative to type chamber to open or close second channel
Mouthful, frictional force when rotating member rotates between type chamber is F2, the F1 > F2；
The bridgeware is located at second channel mouth or less part and the direct or indirect rotary seal of filter flask inner wall.
3. band according to claim 2 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
Type chamber is stated to be made of or integrated injection molding the outer mold cavity component and skeleton clamping for outwardly protruding setting.
4. band according to claim 2 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
Type chamber is stated by the interior mold cavity component for the setting that is recessed inwardly and skeleton clamping constitutes or integrated injection molding, when interior mold cavity component and bone
When frame integrated injection molding, the demoulding mouth at the top of interior mold cavity component is sealed by a sealing element.
5. band according to claim 3 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
Outer mold cavity component is stated equipped with locating part, for controlling the rotational angle of rotating member.
6. band according to claim 5 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
It states outer mold cavity component and is equipped with limiting groove, be correspondingly provided with limit raised line on rotating member, by limiting groove and limit matching for raised line
It closes, rotating member is rotated coaxially with outer mold cavity component and connect.
7. band according to claim 1 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
It states drainage channel to be made of several siphon parts with siphon function, the siphon part is axially connected in inboard wall of skeleton.
8. band according to claim 2 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
It states and is directly abutted between filter flask inner wall and skeleton side wall.
9. band according to claim 2 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that: institute
It states skeleton side wall and is axially arranged with several cleaning items, abutted indirectly by cleaning item with skeleton on the inside of filter flask.
10. band according to claim 2 is just rinsing the external-compression type fore filter with backwashing function, it is characterised in that:
Several locating slots are equipped at the top of the filter flask, filter core is equipped with several positioning pins, by the cooperation of locating slot and positioning pin, filter flask with
Relatively fixed between filter core, the filter flask lower end is rotatably connected to operation knob, and transition piece, bridgeware are embedded in operation knob
It is fixedly connected by transition piece with operation knob, drainage element is set to operation knob bottom, and the bridgeware passes through transition piece and filter
The indirect rotary seal in bottom of bottle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079772.2U CN208244219U (en) | 2018-01-18 | 2018-01-18 | The positive external-compression type fore filter rinsed with backwashing function of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079772.2U CN208244219U (en) | 2018-01-18 | 2018-01-18 | The positive external-compression type fore filter rinsed with backwashing function of band |
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| CN208244219U true CN208244219U (en) | 2018-12-18 |
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| CN201820079772.2U Active CN208244219U (en) | 2018-01-18 | 2018-01-18 | The positive external-compression type fore filter rinsed with backwashing function of band |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211472A (en) * | 2018-01-18 | 2018-06-29 | 海宁市倍世环保科技有限公司 | The positive external-compression type fore filter rinsed with backwashing function of band |
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2018
- 2018-01-18 CN CN201820079772.2U patent/CN208244219U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211472A (en) * | 2018-01-18 | 2018-06-29 | 海宁市倍世环保科技有限公司 | The positive external-compression type fore filter rinsed with backwashing function of band |
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