CN109876515A - Fore filter - Google Patents
Fore filter Download PDFInfo
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- CN109876515A CN109876515A CN201910340853.2A CN201910340853A CN109876515A CN 109876515 A CN109876515 A CN 109876515A CN 201910340853 A CN201910340853 A CN 201910340853A CN 109876515 A CN109876515 A CN 109876515A
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Abstract
前置过滤器，包括滤瓶，固接于所述滤瓶的阀体，设于所述滤瓶内的滤芯，设于所述阀体上的进出水阀体，可转动地连接于所述阀体的阀芯，及排污组件；所述阀芯上开设有第一通道和第二通道；所述进出水阀体具有进水接头和出水接头，所述进水接头能够择一选择与所述阀芯的第一通道和第二通道连通，其中所述进水接头通过所述阀芯的第一通道能够与所述滤芯连通，通过所述阀芯的第二通道能够与所述阀体连通；所述出水接头与所述阀体连通；所述滤瓶的瓶底上开设有通孔，所述排污组件连接于所述滤瓶，用于对所述通孔进行选择性封堵。本发明可将有进出水阀体导入的两路水流汇合成一路水流，并实现对滤芯的反向冲洗，能够实现对所述滤芯的有效清洗。
The pre-filter includes a filter bottle, a valve body fixed to the filter bottle, a filter element arranged in the filter bottle, and a water inlet and outlet valve body arranged on the valve body, which are rotatably connected to the filter bottle. The valve core of the valve body, and the sewage discharge assembly; the valve core is provided with a first channel and a second channel; the water inlet and outlet valve body has a water inlet joint and a water outlet joint, and the water inlet joint can be selected and selected. The first channel of the valve core communicates with the second channel, wherein the water inlet joint can communicate with the filter core through the first channel of the valve core, and can communicate with the valve body through the second channel of the valve core The water outlet connector is communicated with the valve body; the bottom of the filter bottle is provided with a through hole, and the sewage discharge assembly is connected to the filter bottle for selectively blocking the through hole. The present invention can combine the two water flows introduced by the inlet and outlet valve bodies into one water flow, and realize the reverse flushing of the filter element, thereby realizing the effective cleaning of the filter element.
Description
Technical field
The invention belongs to the relevant technical fields of cleaning equipment, more particularly to a kind of fore filter.
Background technique
Aqueduct and the tap corrosion of long range will bring iron rust, and fore filter is first to full room water
Coarse filtration equipment filters out the graininess impurity in water, such as: iron rust, silt, particulate matter, suspended matter, asbestos fibre substance, solution
The problems such as secondary pollution caused by certainly tap water is during urban pipe network transmission & distribution water and muddy rural groundwater, be " red water ",
The jinx of the problems such as " Heisui River ", " yellow water ", " scale "；The secondary water-supply of roof water tank leads to microbial growth, fore filter
The visible microorganism of the naked eyes such as " red worm " can effectively be intercepted；It is the jinx of running water secondary pollution, fore filter is typically mounted on
After water inlet line water meter, applied to the centralized processing of indoor water pipe, it is complete that kitchen water supply, electric appliance water supply, bathroom water supply etc. can be met
The water purification demand of room water system.
Currently, existing fore filter does not have the function of back flush substantially, part has back flush
The fore filter of function does not have multi-filtering function, since filter effect is determined by strainer, but aperture of filter screen precision
Difference, so poor filtration effect.Has the fore filter of multi-filtering function, any one does not have backwash function in the market
Can, there is no the changes for realizing water inlet flow direction.Its pre-washing function relies primarily on the aqueous reflux that has filtered to realize, is entirely just
It rinses, and is not belonging to backwash, corresponding reverse impact power is small, actual effect is not achieved, so that existing prefilter
Device when in use, when impurity is in the sieve meshes of filter core, is difficult to realize thorough cleaning to filter core, to clean up,
Still it needs to cut off pipeline and unpicks and washes filter element of filter screen component, it is time-consuming and laborious.
Summary of the invention
Based on this, it is necessary to for the technical problems in the prior art, provide a kind of fore filter.
Specifically, a kind of fore filter, including filter flask are fixed in the valve body of the filter flask, in the filter flask
Filter core, the Inlet and outlet water valve body on the valve body are rotatably connected at the spool and blowdown component of the valve body；It is described
First passage and second channel are offered on spool；The Inlet and outlet water valve body has water supply connector and water outlet connector, the water inlet
Connector can select a selection and be connected to the first passage of the spool and second channel, wherein the water supply connector passes through the valve
The first passage of core can be connected to the filter core, can be connected to the valve body by the second channel of the spool；It is described
Water outlet connector is connected to the valve body；Through-hole is offered in the bottom of bottle of the filter flask, the blowdown component is connected to the filter flask,
For carrying out selective shut-off to the through-hole.
As a preferred solution of the present invention, the spool includes spool main body, is arranged on the central axes of the spool main body
There is shaft, the shaft is protruding relative to the body portion, wherein the shaft is stretched out on the part of the valve body admittedly
It is connected to knob.
As a preferred solution of the present invention, it is provided with rotary stopper portion on the knob, limit is provided on the valve body
Auxiliary section can pass through the rotary stopper portion and the spacing auxiliary section when knob drives spool main body rotation
Between cooperation switch first passage or second channel in the spool main body and be connected to the water supply connector of the Inlet and outlet water valve body.
As a preferred solution of the present invention, first interface and second is symmetrically offered on the spool main body periphery wall to connect
Mouthful, wherein the first interface is connected to the first passage, the second interface is connected to the second channel.
As a preferred solution of the present invention, the fore filter further comprises spool retaining ring, and the spool retaining ring is set
It sets between the spool and the filter core, the spool main body for spool described in ejection is resisted against the valve body.
As a preferred solution of the present invention, the spool main body is resisted against between the side of the valve body and the valve body and sets
It is equipped with spool gasket.
As a preferred solution of the present invention, the spool main body is enclosed with rubber layer, the rubber layer and the valve body with
The mode of enjoyable cooperation is assembled.
As a preferred solution of the present invention, the filter flask bottom of bottle is provided with described logical for wrapping up in the periphery of the through-hole
The retaining ring in hole, the filter core are arranged on the retaining ring and cooperate with the retaining ring sealing；It is wherein offered on the retaining ring logical
Slot, the through slot are connected to the through-hole.
As a preferred solution of the present invention, the blowdown component includes the filter flask connector that part is set in the retaining ring, Gu
It is connected to the bottom of chamber knob of the filter flask connector, and is connected to the blowdown valve of the filter flask connector；The filter core, the retaining ring and institute
It states filter flask connector to be sequentially communicated, and control is opened and closed with the blowdown valve；The bottom of chamber knob can drive the filter flask to connect
Head rotation, carries out selective shut-off to the through slot with the part stretched in the retaining ring with the filter flask connector.
As a preferred solution of the present invention, the filter flask connector includes adapter body, and in the adapter body
Seal header joints, open up in the seal header joints jagged, and the notch is arranged in a one-to-one correspondence with the through slot, and the filter flask connects
Head can be connected to between the filter flask by the cooperation between the notch and the through slot.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
Fore filter provided by the present invention, so that the fore filter is at work, can be incited somebody to action by reasonable structure
The two-way water flow for having Inlet and outlet water valve body to import merges into water flow all the way, and realizes the back flush to filter core, can filter insertion
Impurity on core is gone out, and is discharged in company with water flow, realizes effective cleaning to the filter core with this；The prefilter simultaneously
Device structure is simple, and manipulation is convenient, and production cost is low, the use demand of further satisfaction people.
Detailed description of the invention
Fig. 1 is structural representation when fore filter provided by an embodiment of the present invention is in normal filtration state
Figure.
Fig. 2 is structural representation when fore filter provided by an embodiment of the present invention is in positive flushing state
Figure.
Fig. 3 is structural representation when fore filter provided by an embodiment of the present invention is in back flush state
Figure.
Fig. 4 is the cross-sectional view of fore filter provided by an embodiment of the present invention.
Fig. 5 is the structural schematic diagram at another visual angle of filter flask in the fore filter of Fig. 1.
Fig. 6 is the structural schematic diagram at another visual angle of valve body in the fore filter of Fig. 1.
Fig. 7 is the cross-sectional view at another visual angle of valve body in the fore filter of Fig. 1.
Fig. 8 is the structural schematic diagram at another visual angle of filter core in the fore filter of Fig. 1.
Fig. 9 is the structural schematic diagram at a spool wherein visual angle in the fore filter of Fig. 1.
Figure 10 is the structural schematic diagram at another visual angle of spool in the fore filter of Fig. 1.
Figure 11 is the cross-sectional view at another visual angle of spool in the fore filter of Fig. 1.
Figure 12 is the structural schematic diagram at another visual angle of knob in the fore filter of Fig. 1.
Figure 13 is the cross-sectional view at another visual angle of Inlet and outlet water valve body in the fore filter of Fig. 1.
Figure 14 is the structural schematic diagram at another visual angle of filter flask connector in the fore filter of Fig. 1.
Figure 15 is the structural schematic diagram at fore filter lumen bottom another visual angle of knob of Fig. 1.
Wherein, 10, filter flask；11, through-hole；12, retaining ring；121, through slot；13, flange collar；14, step auxiliary section；20, valve body；
21, valve chamber；22, flow orifice；30, filter core；31, drainage channel；40, spool；41, spool main body；42, shaft；43, knob；
401, first passage；402, second channel；403, first interface；404, second interface；410, spool retaining ring；420, spool pad
Piece；431, rotary stopper portion；432, spacing auxiliary section；50, Inlet and outlet water valve body；51, water supply connector；52, water outlet connector；53, even
Connector；54, thread bush；60, blowdown component；61, filter flask connector；62, bottom of chamber knob；63, blowdown valve；611, adapter body；
612, seal header joints；613, notch；614, step；621, it identifies；101, the first valve chamber；102, the second valve chamber；201, first is close
Seal；202, the second sealing ring；203, sealing ring；204, gasket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to Fig. 4, fore filter provided by an embodiment of the present invention, including filter flask 10, it is connected to the filter
The valve body 20 of bottle 10, the filter core 30 in the filter flask 10, the Inlet and outlet water valve body 50 on the valve body 20, spool 40,
And blowdown component 60.
In the present embodiment, it is threadably connected between the filter flask 10 and the valve body 20, and in the filter flask
Contact site between 10 and the valve body 20 is provided with the first sealing ring 201, for the filter flask 10 and the valve body 20
Carry out assembly sealing.Wherein, the filter flask 10 of present embodiment is prepared by transparent material, can pass through the filter flask 10 to filter core
30 are directly observed, to be cleaned in time to filter core 30.Wherein, it is formed between the filter flask 10 and the filter core 30
Second valve chamber 102.
In the present embodiment, the bottom of bottle of the filter flask 10 offers through-hole 11, and the blowdown component 60 is used for described
Through-hole 11 carries out selective shut-off, so that the fore filter of present embodiment is in use, can be by the filter flask 10
The outside blowdown of through-hole 11.
Please refer to fig. 5, being provided with retaining ring 12 in 10 bottom of bottle of filter flask, the retaining ring 12 wraps up the through-hole 11 and sets
It sets, wherein the filter core 30 is resisted against the retaining ring 12, and seals and cooperate with the retaining ring 12.Preferably, the retaining ring 12 with
It is provided with gasket 204 between the filter core 30, ensures that the assembly between the retaining ring 12 and the filter core 30 seals with this.Make
It obtains the water energy in the filter core 30 and enough flows to the through-hole 11 by way of the retaining ring 12.Wherein, it is offered on the retaining ring 12 logical
Slot 121, the through slot 121 are connected to the through-hole 11, so that the water energy in the filter core 30 is enough when the through-hole 11 blocks
10 second spool 102 of filter flask is first flowed to by way of the filter screen of the filter core 30, institute is then flowed to by the through slot 121 again
Through-hole 11 is stated, the filtration of the filter core 30 is realized with this.
Through slot 121 in present embodiment is arranged at the position that the retaining ring 12 is connected with 10 bottom of bottle of filter flask,
That is, the water energy in 10 second valve chamber 102 of filter flask enough flows to the through-hole by the through slot 121 without being blocked
11.The stagnant water for being deposited on 10 bottom of bottle of filter flask is swimmingly flowed to from the through slot 121 under the flushing of water flow
The through-hole 11, and discharge, so that the fore filter has removal stagnant water, what filter flask 10 was effectively rinsed in realization
Purpose, and the water rinsed to filter flask 10 is real by being directed into the filter flask 10 via the water obtained after fore filter filtering
It is existing, further ensure that cleannes when cleaning to the filter flask 10.
Referring to Figure 6 together, Fig. 7, the valve body 20 have been inwardly formed the first valve chamber 101, first valve chamber 101 and institute
State the connection of the second valve chamber 102.
In the present embodiment, chamber shell 21 is provided on the valve body 20, the chamber shell 21 is used for and the inlet/outlet valve
The water supply connector 51 of body 50 is connected to, wherein the chamber shell 21 offers on the neighbouring portion being connected with the valve body 20
Runner hole 22, and the spool 40 is arranged in the chamber shell 21, and fits in the chamber shell 21 and be arranged.So that by the disengaging
The water energy to be filtered that the water supply connector 51 of water valve body 50 imports enough is introduced directly into the spool 40, then passes through the spool
40 selections are directly directed to the spool 30, or the first valve chamber of the valve body 20 is oriented to by the 21 upper runner hole 22 of chamber shell
102。
Also referring to Fig. 8, the filter core 30 of present embodiment is set as collapsible filter structure, and the filter core 30 is with more
Layer filter screen (not shown).In the present embodiment, the middle part of the filter core 30 offers the drainage channel 31 for water flow flowing,
Wherein the drainage channel 31 of the filter core 30 with the filter flask connector 61 for being connected to.
In the present embodiment, first passage 401 and second channel 402 are offered on the spool 40, wherein described
One channel 401 is used to be connected to the drainage channel 31 of water supply connector 51 and the filter core 30 on the Inlet and outlet water valve body 50, and described the
Two channels 401 are used to be connected to the first valve chamber 101 of water supply connector 51 and the valve body 20 on the Inlet and outlet water valve body 50, and described
First passage 401 and second channel 402 on spool 40 can select the water supply connector on a selection and the Inlet and outlet water valve body 50
51 connections.That is, the fore filter upper valve core 40 of present embodiment is rotatably connected at the valve body 20, and described
When spool 40 rotates in the valve body 20, the first passage 401 or second channel 402 on the selection spool 40 can be selected
With the conducting of the water supply connector 51 on the Inlet and outlet water valve body 50.
Also referring to Fig. 9-Figure 11, the spool 40 of present embodiment includes spool main body 41, the spool main body 41
Shaft 42 is provided on central axes, the shaft 42 is protruding relative to 20 part of valve body, wherein the shaft 42 is stretched
Knob 43 is connected on the part of the valve body 20 out；In the present embodiment, the first passage 401 on the spool 40 and
Two channels 402 are arranged in the spool main body 41.So that the fore filter of present embodiment can screw knob 43 with manpower,
Drive the spool main body 41 to rotate in the valve body 20, with select in the spool main body 41 first passage 401 or
Water supply connector 51 is connected on second channel 402 and the Inlet and outlet water valve body 50.
In the present embodiment, first interface 403 and second is symmetrically offered on 41 periphery wall of spool main body to connect
Mouth 404, wherein the first interface 403 is connected to the first passage 401, the second interface 404 and the second channel
402 connections.That is, first passage 401 and second channel 402 and the Inlet and outlet water in the spool main body 41 of present embodiment
The switching that water supply connector 51 is connected on valve body 50 can be realized by driving the spool main body 41 to rotate 180 °.It can manage
Solution, the positional relationship of the first interface 41 and the second interface 42 on 41 periphery wall of spool main body are not limited to figure
Shown in showing, those skilled in the art can be opened up the first interface 41 and the second interface 42 according to the demand used
In any position of 41 periphery wall of spool main body.
Referring to Figure 7 together, Figure 12 is provided with rotary stopper portion 431, institute on knob 43 in the spool 40 of present embodiment
It states and is provided with spacing auxiliary section 432 on valve body 20, the knob 43 can be matched by the rotary stopper portion 431 and the limit
Cooperation between conjunction portion 432 drives the spool main body 41 to rotate, to switch first passage 401 or the in the spool main body 41
Conducting between two channels 402 and the water supply connector 51 of the Inlet and outlet water valve body 50 ensures the knob 43 to the valve with this
The accuracy of 41 position of core main body adjustment, and then have convenient for first passage 401 and second channel in the spool main body 41
402 switching adjustment.
Specifically, the rotary stopper portion 431 is set as semicircle shape baffle, and the spacing auxiliary section 432 is set as boss,
When the semicircle shape baffle is rotated with the knob 43, it can be touched, be realized by supporting between the semicircle shape baffle and boss
The limit of the rotational angle on the valve body 20 of rotation 43.It is appreciated that the rotary stopper portion 431 and the limit are matched
Conjunction portion 432 is not limited to be set as diagrammatically shown, and those skilled in the art can be according to the demand used, by the rotary stopper
Portion 431 is set as boss, and the spacing auxiliary section 432 is arranged in correspondence with as semicircle shape baffle.
In the present embodiment, the fore filter of present embodiment further includes spool retaining ring 410, the spool retaining ring
410 are arranged between the spool 40 and the filter core 30, and respectively with the first passage 401 of the spool 40 and filter core 30
Filtration channel 31 is connected to, so that the water energy to be filtered imported by 40 first passage 401 of spool is enough by way of the spool retaining ring
410 enter to the drainage channel 31 of the filter core 30.Wherein, the spool retaining ring 410 spool main body 41 can support described in ejection
It leans against on the valve body 20, to improve the pressure when spool main body 41 is contacted with the valve body 20, and then improves the valve
The static friction that core main body 41 and the valve body 20 are formed when contacting with each other, so that the spool main body 41 is by the valve body 20 first
Displacement will not be caused in valve chamber 101 under the impact of water flow, have the function of improving the fore filter job stability；In this
Meanwhile spool main body 41 described in 410 ejection of spool retaining ring presses against on the valve body 20, additionally it is possible to play and improve the valve
The effect of leakproofness when core main body 41 and the valve body 20 mutually assemble.
Further, the spool main body 41 is resisted against between the side and the valve body 20 of the valve body 20 and is provided with valve
Core gasket 420, and can be used the spool gasket 420 to carry out assembly sealing to the spool main body 41 and the valve body 20, and logical
The structure setting of the spool gasket 420 is crossed, while can play and improve spool main body 41 described in 410 ejection of spool retaining ring
When, the spool main body 41 is formed by the effect of stiction when contacting with the spool gasket 420, ensure the valve with this
The effect of 41 anti-current-rush power of core main body.Wherein, at least one second sealing ring 202 is socketed in the shaft 42, it is described
Second sealing ring 202 is contacted with the valve body 20, ensures that the assembly between the spool 40 and the valve body 20 is close with this
Envelope, and then ensure the leakproofness of fore filter entirety.
In the present embodiment, on the semi-finished product that the spool 40 is molded by plastic material, and obtained after injection molding
It is enclosed with rubber layer (not shown), and obtains spool 40 to the end, the rubber layer of the spool 40 and the valve body 20 used
The mode of cooperation of being full of is assembled, and so as to improve the self-locking ability of the spool 40, while passing through 410 appropriateness of spool retaining ring
It the spool 40 is compressed, finally realizes the suitable self-lock force of the spool 40, so that the water flow in pipeline of the spool 40 is rushed
It hits down and does not shift, while 43 toggle feel of knob is suitable.It is understood that, it should be noted that the spool 40 and the valve body
Cooperation between 20 be not limited to it is above-mentioned shown in, those skilled in the art can according to the demand used, by the spool 40 with
The valve body 20 is set as clearance fit, wherein the gap value between the spool 40 and the valve body 20 is preposition less than or equal to this
In filter on filter core 30 filter screen mesh bore, with this ensure the fore filter work when to by the Inlet and outlet water valve body
The water that 50 water supply connector 51 imports is filtered.
The Inlet and outlet water valve body 50 with external pipeline for connecting, also referring to Figure 13, wherein the inlet/outlet valve body
50 have water supply connector 51 and water outlet connector 52, and the water supply connector 51 can be with institute by the valve body 20 and the spool 40
The connection of filter core 30 is stated, the water outlet connector 52 is connected to the valve body 20.That is, the fore filter work of present embodiment
When making, water to be filtered drawing in 40 first passage 401 of spool for being imported by the water supply connector 51 of the Inlet and outlet water valve body 50
Lead down the drainage channel 31 being able to enter to the filter core 30, and the water energy to be filtered being placed in the 30 drainage channel 31 of filter core
Enough filter screens by way of the filter core 30 simultaneously enter in second valve chamber 102, then by first valve chamber 101 by described
Water outlet connector 52 discharges, and realizes the fore filter to the filtration operation of water to be filtered with this.
In the present embodiment, the Inlet and outlet water valve body 50 is set as Universal connector hair style structure, so that the inlet/outlet valve
When body 50 is assemblied on the valve body 20, the Inlet and outlet water valve body 50 can be done in the valve body 20 to be rotated at any angle, with
This is convenient for assembly of the fore filter on pipeline.Wherein, the water supply connector 51 of the Inlet and outlet water valve body 50 and water outlet connector
52 are arranged in the two opposite sides of the Inlet and outlet water valve body 50, and the central axes of the water supply connector 51 and the water outlet connector 52
Central axes of the central axes respectively with the valve body 20 are vertically arranged.
Specifically, on the Inlet and outlet water valve body 50 for the jointing 53 that is connect with valve body 20 threadably with it is described
Jointing 53 on the Inlet and outlet water valve body 50 is locked at the valve body 20 with thread bush 54 again later by 20 assembly connection of valve body
On, the assembly connection between the Inlet and outlet water valve body 50 and the valve body 20 is realized with this.
In the present embodiment, the blowdown component 60 is connected to the filter flask 10, and the blowdown component 60 can be right
The through-hole 11 and the through slot 121 carry out selective shut-off respectively.
Specifically, the blowdown component 60 of present embodiment includes the filter flask connector 61 that part is set in the retaining ring 12, even
It is connected to the bottom of chamber knob 62 of the filter flask connector 61, and is connected to the blowdown valve 63 of the filter flask connector 61；The filter core 30, institute
It states retaining ring 12 and the filter flask connector 61 is sequentially communicated, and control is opened and closed with the blowdown valve 63, that is to say, that this implementation
Control is opened and closed in mode through-hole 11 of the blowdown valve 63 to the filter flask 10, and the filter flask connector 61 is used for the gear
Control is opened and closed in the through slot 121 of circle 12.
Wherein, the part that the filter flask connector 61 stretches in the retaining ring 12 fits in the inner wall of the retaining ring 12, and
Can be fitted in the filter flask connector 61 part of 12 inner wall of retaining ring the through slot 121 on the retaining ring 12 block or
Person, which releases, to be blocked.
In the present embodiment, the flange collar for wrapping up the through-hole 11 is provided on the outer end face of 10 bottom of bottle of filter flask
13, the filter flask connector 61 fits in the flange collar 13, wherein being provided between the filter flask connector 61 and the flange collar 13 close
Seal 203 realizes that the assembly between the filter flask connector 61 and the filter flask 10 seals with this.
Further, the filter flask 10, the retaining ring 12 and the flange collar 13 can be integrated formula structure.
Figure 14 is please participated in together, and the filter flask connector 61 of present embodiment includes adapter body 611, and is set to the connector master
Seal header joints 612 on body 611, wherein jagged 613 are opened up in the seal header joints 612, the notch 613 and the through slot
121 are arranged in a one-to-one correspondence, and pass through the through slot 121 and the notch 613 between the filter flask connector 61 and the filter flask 10
Between cooperation be connected to.That is, the inner wall that seal header joints 612 are bonded the retaining ring 12 on the filter flask connector 61 is set
It sets, and when the seal header joints 612 are bonded the inner wall rotation of the retaining ring 12, when notch 613 is corresponding in the seal header joints 612
When the through slot 121 of the retaining ring 12 is arranged, the notch 613 is connected to the through slot 121, realizes the filter flask connector 61 with this
The closure of the through slot 121 is released, so that the water energy on the filter flask 10 in second valve chamber 102 enough passes through the through slot 121
The filter flask connector 61 is flowed to, is finally discharged again by the blowdown valve 63；Otherwise when its in the seal header joints 612
Its position correspond to the retaining ring 12 through slot 121 be arranged, with this realize the seal header joints 612 can to the through slot 121 into
Row blocks, so that the water on the filter flask 10 in second valve chamber 102 can not be discharged by the filter flask connector 61.
Wherein, the position that the adapter body 611 is connected with the seal header joints 612 is formed with a step 614, described
Step auxiliary section 14 is provided on filter flask 10, and between the filter flask connector 61 and the filter flask 10 by the step 614 with
Cooperation between the step auxiliary section 14 carries out assembly connection.
In the present embodiment, the quantity of the through slot 121 and the notch 613 is disposed as two, and two described logical
Slot 121 and two notches 613 are respectively symmetrical arranged in 180 °, have the function of providing 10 blowdown flow of filter flask.It can
To understand, the quantity of the through slot 121 and the notch 613 is not limited to diagrammatically shown, and those skilled in the art can foundation
The quantity of the through slot 121 and the notch 613 is disposed as 1, three by the demand used, even more, or
It sets the quantity of the quantity of the through slot 121 and the notch 613 to.
The bottom of chamber knob 62 can drive the filter flask connector 61 to rotate, described to be stretched to the filter flask connector 61
Part in retaining ring 12 carries out selective shut-off to the through slot 121.The fore filter of present embodiment is passed through
Rotating drum bottom knob 62, come to the through slot 121 closure or release block control.
In the present embodiment, the bottom of chamber knob 62 is socketed in the flange collar 13, wherein the bottom of chamber knob 62 is set
It is connected and fixed in the part of the 61 top connection main body 611 of filter flask connector with the adapter body 611, so that described in manpower rotation
When the knob 62 of bottom of chamber, the bottom of chamber knob 62 is able to drive the filter flask connector 61 and rotates, and then realizes the filter flask connector 61
Selective shut-off to the through slot 121.
Also referring to Figure 15, it is provided with mark 621 on the periphery wall of the bottom of chamber knob 62, is arranged on the filter flask 10
There is mark auxiliary section (not shown), the bottom of chamber knob 62 can be according between the mark 621 and the mark auxiliary section
Cooperate to drive the filter flask connector 61 to rotate, to drive the filter flask connector 61 to block or solve the through slot 121
Except closure.That is, people can adjust the chamber according to the cooperation between the mark 621 and the mark auxiliary section
When the knob 62 of bottom, the accuracy that the bottom of chamber knob 62 adjusts 61 position of filter flask connector is ensured with this, and then have just
In the effect for carrying out selective shut-off control to the through slot 121.
Specifically, the mark 621 is set as the convex ribs being fixed on the bottom of chamber knob 62, and the convex ribs are according to width
The size of degree is specifically configured to two kinds of different structures, and the mark auxiliary section is set as the mark being fixed on the filter flask 10
Arrow, wherein corresponding to the filter flask connector 61 to the through slot when indicia arrow indicates the convex ribs of one of structure
121 closure or conducting.
The blowdown valve 63 is connect with the filter flask connector 61, for controlling the opening and closing of the filter flask connector 61, with this reality
The now blowdown control of the fore filter.In the present embodiment, the blowdown valve 63 is set as ball valve, the import of the ball valve
Adapter body 611 of the adapter tube portion in a manner of being threadedly engaged with the filter flask connector 61 is connected and fixed.
From the foregoing, it will be observed that the fore filter of present embodiment is other than having the function of normal filtration water, additionally it is possible to filter
The disengaging of core 30 is rinsed, and to remove the impurity on the filter core 30, and then realizes the disassembly and wash free function of the fore filter upper filter 30
Can, and the water being able to drive in filter flask 10 when fore filter flushing removes filter flask as blowdown valve 63 is discharged with this
10 bottom of bottle stagnant water realize the purpose effectively rinsed to filter flask 10, have the function of the good water of reduction health.
Also referring to Fig. 1, when the first passage 401 of spool 40 in the fore filter of present embodiment and the disengaging
The water supply connector 51 of water valve body 50 is connected, and the filter flask connector 61 blocks the through slot 121, when the blowdown valve 63 is closed.By
The water supply connector 51 of the Inlet and outlet water valve body 50 imports the enough first passages 401 by way of the spool 40 of water energy to be filtered and enters
To the drainage channel 31 of the filter core 40, water is because the channel discharged is by the blowdown valve in the 30 drainage channel 31 of filter core
63 close, then 10 second valve chamber 102 of filter flask can only be flowed to by way of the filter screen of the filter core 30, in the process, to mistake
The impurity contained in the water of filter can be precipitated and be trapped on the filter screen of the filter core 30, and 10 second valve chamber of the filter flask
The filtered water obtained in 102 can then flow to the first valve chamber 101 of valve body 20, finally by going out for the Inlet and outlet water valve body 50
Water swivel 52 discharges, and realizes filtration of the fore filter to water with this.
Referring to Figure 2 together, when the first passage 401 of spool 40 in the fore filter of present embodiment and the disengaging
The water supply connector 51 of water valve body 50 is connected, and the filter flask connector 61 releases the closure to the through slot 121, and the blowdown valve 63 is opened
Qi Shi.Water to be filtered is imported by way of the first passage 401 of the spool 40 by the water supply connector 51 of the Inlet and outlet water valve body 50
The drainage channel 31 of the filter core 30 is entered to, and by way of the filter flask connector 61, finally by the blowdown valve 63 to outlet
Out, simultaneously the water outlet connector 52 of the Inlet and outlet water valve body 50 can also import filtered water, successively by way of first valve
Chamber 101, second valve chamber 102 enter to the filter flask connector 61 after the through slot 121, finally also by the blowdown valve
63 discharge, and in the process, are flowed through inside and outside the filter core 30 by water flow, are realized with this on the filter core 30
The impurity of deposition carries out positive flushing, can be to effective flushing of impurity on filter core 30, so that the filter core 30 is with disassembly and wash free
Function；And the stagnant water of 10 bottom of bottle of filter flask can also follow filtered water to discharge by way of the through slot 121, so that before this
Filter is set in use, the 10 bottom of bottle stagnant water of filter flask can be removed, realizes and filter flask 10 is effectively rinsed, the good water of reduction health
Function.Simultaneously the water in filter flask 10 can also be made to move up entirely, and as blowdown valve 63 discharges, that is, this embodiment party
The fore filter of formula realizes that the water in the filter flask 10 is running water, the effect of the good water of reduction health.It is appreciated that need to illustrate
It is that people are when using the fore filter, with the water supply connector of the first passage 401 and the Inlet and outlet water valve body 50 of spool 40
51 conductings, can first open blowdown valve 63, realize effective flushing to filter core 30, are then selected to filter according to the demand used
The releasing that bottle connector 61 blocks the through slot 121, to depositing contaminants on filter core 30 when realizing fore filter work with this
Effective flushing, and stagnant water in the filter flask 10 is effectively removed.
Also referring to Fig. 3, when the second channel 402 of spool 40 in the fore filter of present embodiment and the disengaging
The water supply connector 51 of water valve body 50 is connected, and the filter flask connector 61 releases the closure to the through slot 121, and the blowdown valve 63 is opened
Qi Shi.Water to be filtered is imported by way of the second channel 402 of the spool 40 by the water supply connector 51 of the Inlet and outlet water valve body 50
20 first valve chamber 101 of valve body is entered to, simultaneously the water outlet connector 52 of the Inlet and outlet water valve body 50 can also import filtering
Water afterwards enters to first valve chamber 101, and two-way water flow merges into water flow all the way, and by way of second valve chamber 102, described
The filter flask connector 61 is entered to after through slot 121, is discharged finally by the blowdown valve 63, is realized with this to filter core 30
Back flush, wherein the water flow all the way merged into can be by the outside of filter screen on the filter core 30 inwardly into the extremely filter core
30 drainage channels 31 can wash away the water flow that the impurity of filter screen is reversed operation on the filter core 30, and then before ensuring this
Effective flushing to impurity on the filter core 30 when setting filter work so that the filter core 30 have the function of it is disassembly and wash free；And institute
The stagnant water for stating 10 bottom of bottle of filter flask also can follow filtered water to discharge, so that the fore filter is in use, can remove
The function of the 10 bottom of bottle stagnant water of filter flask.
Further, when the second channel 402 of spool 40 in the fore filter of present embodiment and the inlet/outlet valve
The water supply connector 51 of body 50 is connected, and the filter flask connector 61 blocks the through slot 121, when the blowdown valve 63 is opened.By institute
The water energy that the water supply connector 51 and water outlet connector 52 for stating Inlet and outlet water valve body 50 import enough converges water flow all the way, then reversed approach again
The filter screen of the filter core 30 enters again the filtration channel of the filter property 30, is finally discharged again by filter flask connector 61, with
This realizes that the impurity being embedded in filter screen on filter core 30 is effectively rinsed.
To sum up, fore filter provided by the present invention enables the fore filter by reasonable structure setting
It realizes that the water in filter flask moves up entirely, and discharges, can not only realize the cleaning to impurity on filter core, and filter flask bottle
Stagnant water on bottom can be discharged in company with the water in filter flask, had the function of removing filter flask bottom of bottle stagnant water, be avoided with this secondary
Pollution；The fore filter is rinsed with stagnant water of the filtered water to filter flask bottom of bottle simultaneously, further ensures that the preposition mistake
The cleaning of filter filter flask can effectively prevent filter flask bottom of bottle to breed the effect of bacterium.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
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| CN108273317A (en) * | 2018-03-16 | 2018-07-13 | 浙江艾默樱网络科技有限公司 | A kind of recoil fore filter with multi-filtering function |
| CN108939674A (en) * | 2018-08-21 | 2018-12-07 | 厦门百霖净水科技有限公司 | A kind of auto-flushing pre-filtering device |
| CN109011807A (en) * | 2018-10-20 | 2018-12-18 | 蒋琪峰 | A kind of fore filter backwashing and detect percolating water |
| CN210097111U (en) * | 2019-04-25 | 2020-02-21 | 宁波佳音机电科技股份有限公司 | Front filter |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347211A (en) * | 2003-05-21 | 2004-12-09 | Tiger Vacuum Bottle Co Ltd | Humidifier |
| CN203829773U (en) * | 2014-05-05 | 2014-09-17 | 慈溪市润鑫电器有限公司 | Faucet water purifier |
| WO2018011013A1 (en) * | 2016-07-11 | 2018-01-18 | Unilever Plc | Upstream filter |
| 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 |
| CN108273317A (en) * | 2018-03-16 | 2018-07-13 | 浙江艾默樱网络科技有限公司 | A kind of recoil fore filter with multi-filtering function |
| CN108939674A (en) * | 2018-08-21 | 2018-12-07 | 厦门百霖净水科技有限公司 | A kind of auto-flushing pre-filtering device |
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