CN112546695A - Water filtering device - Google Patents
Water filtering device Download PDFInfo
- Publication number
- CN112546695A CN112546695A CN202011317983.3A CN202011317983A CN112546695A CN 112546695 A CN112546695 A CN 112546695A CN 202011317983 A CN202011317983 A CN 202011317983A CN 112546695 A CN112546695 A CN 112546695A
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- China
- Prior art keywords
- sealing
- water inlet
- filter
- water
- filter element
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 238000001914 filtration Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 111
- 238000005192 partition Methods 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000008399 tap water Substances 0.000 description 25
- 235000020679 tap water Nutrition 0.000 description 25
- 238000011001 backwashing Methods 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of water filtration, and discloses a water filtration device, which comprises a filter shell, wherein a water inlet joint is arranged on the side surface of the filter shell, and a faucet connecting assembly is connected to the water inlet joint; the bottom surface of the filter shell is provided with a positioning cylinder, the bottom of the filter shell is positioned in the positioning cylinder and provided with a water outlet, a filter element seat is arranged in the positioning cylinder, a filter element assembly is arranged in the filter element seat, the upper end side of the filter element seat is provided with a plurality of long slotted holes, and the upper end of the filter shell is provided with an end cover. Tap coupling assembling is connected with running water tap, and running water gets into in the filter casing, then discharges from the delivery port department after the filtration of filter element group spare, realizes the filtration of running water, gets rid of the impurity in the running water, and this kind of water filter equipment is small, convenient to use, filter effect are good.
Description
Technical Field
The invention relates to the technical field of water filtration, in particular to a water filtration device.
Background
Tap water is an important city water, and along with the popularization of tap water, tap water is widely used in many villages. Generally speaking, tap water refers to water which is purified and disinfected by a water treatment plant and is produced according with the national water-drinking standard and used for life and production of people. Tap water can flow out from a tap after being treated by purification, disinfection and the like through a long pipeline, so impurities such as corrosion, tiny particles, a small amount of bacteria and the like in a tap water pipeline system also remain in the tap water flowing out from the tap finally, the tap water of different water plants has different water sources and different treatment processes, the tap water of the tap water plant with the laggard treatment process is probably not up to the standard, and particularly, the tap water purification effect is not good in a small tap water plant in villages and towns. However, the large tap water filter is expensive and complicated to install, and cannot be widely used in households.
Disclosure of Invention
The invention aims to solve the problems of tap water filtration in the prior art, and provides a water filtration device which is small in size, convenient to use and good in filtration effect, and can be used by being directly connected to a water tap.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water filtering device comprises a filter shell, wherein a water inlet joint is arranged on the side surface of the filter shell, and a faucet connecting assembly is connected to the water inlet joint; the bottom surface of the filter shell is provided with a positioning cylinder, the bottom of the filter shell is positioned in the positioning cylinder and is provided with a water outlet, a filter element seat is arranged in the positioning cylinder, a filter element assembly is arranged in the filter element seat, the side surface of the upper end of the filter element seat is provided with a plurality of long slotted holes, and the upper end of the filter shell is provided with an end cover. Tap coupling assembling is connected with running water tap, and running water gets into in the filter casing, then discharges from the delivery port department after the filtration of filter element group spare, realizes the filtration of running water, gets rid of the impurity in the running water, and this kind of water filter equipment is small, convenient to use, filter effect are good.
Preferably, the inner wall of the filter shell is provided with an upper water inlet hole and a lower water inlet hole which are communicated with the water inlet joint, the lower end of the filter element seat is connected with the positioning cylinder in a sliding and sealing manner, the end cover is provided with a filter element seat lifting mechanism, the lower end of the filter element seat is provided with a lifting and sealing mechanism, the side wall of the lower end of the filter element seat is provided with a back flush water inlet hole, the outer side of the filter element seat is provided with a connecting ring at the upper end of the positioning cylinder, the connecting ring is connected with the inner wall of the filter shell in a sliding and sealing manner, the lower end of the filter shell is provided with an isolating ring at the outer side of the positioning cylinder, the cavity in the filter shell at the lower side of the isolating ring is a lower annular cavity, the cavity in the filter shell between the isolating ring and the connecting ring is a middle, and the isolating ring is provided with a flow guide pipe, and the upper end of the flow guide pipe penetrates through the connecting ring to form sliding sealing connection with the connecting ring. In a normal filtering state, the lower end of the connecting ring is abutted against the upper end of the positioning cylinder, the circumferential surface of the connecting ring seals the lower water inlet hole, the upper water inlet hole is communicated with the upper annular cavity, the backwashing water inlet hole is positioned in the positioning cylinder, the lifting sealing mechanism is in an open state, the lifting sealing mechanism seals the inner end of the water outlet hole, tap water sequentially passes through the upper water inlet hole, the upper annular cavity and the long slotted hole, then enters the filter element assembly, and then flows out of the lower end of the filter element assembly and is discharged from the water outlet; when the filter element assembly needs to be cleaned after long-term use, the filter element assembly needs to be detached and replaced or cleaned in the conventional faucet filter, in the structure, the filter element assembly is cleaned directly through backwashing, during backwashing, the filter element seat is lifted upwards by a filter element seat lifting mechanism to displace one end, the connecting ring moves upwards to the upper water inlet and seals the upper water inlet, the lower water inlet is communicated with the middle annular cavity, the backwashing water inlet moves upwards by a section of displacement and extends out of the positioning cylinder and is communicated with the middle annular cavity, the lifting sealing mechanism is in a closed state, the inner end of the drain hole is communicated with the water outlet, tap water enters the filter element assembly from the lower end of the filter element assembly after sequentially passing through the lower water inlet, the middle annular cavity and the backwashing water inlet, then the filter element assembly is backwashed by utilizing the self water pressure of the tap water, water flowing out of the side surface, The drainage pipe, the lower annular cavity, the drain hole and the drain hole are drained, so that the back washing of the filter element assembly is realized, and the service life of the filter element assembly is prolonged.
Preferably, the center of the upper end of the filter element seat is provided with a connecting seat, the center of the end cover is provided with a screw rod, the lower end of the screw rod is rotatably connected with the connecting seat, the screw rod is in threaded connection with the end cover, the upper end of the screw rod is fixedly provided with a knob, and the knob, the screw rod and the connecting seat form the filter element seat lifting mechanism. When the backwashing is needed, the knob is rotated and drives the screw rod to rotate, so that the filter element seat is lifted.
Preferably, a partition plate is arranged at the upper end of the filter element seat and is in sliding seal with the inner wall of the filter shell, a guide pillar is arranged on the end cover and penetrates through the partition plate to be in sliding connection with the partition plate, and a pre-tightening spring is sleeved on the outer side of the screw rod. The middle annular cavity is isolated from the filter element seat lifting mechanism by the clapboard.
Preferably, the lifting sealing mechanism comprises a clamping ring and a sealing check ring, the clamping ring is fixedly connected with the sealing check ring through a connecting column, the sealing check ring is connected with the inner wall of the positioning cylinder in a sliding and sealing mode, a sealing plate is fixed to the upper end of the sealing check ring, a sealing seat is arranged between the connecting columns, the circumferential surface of the sealing seat is fixedly connected with the inner wall of the positioning cylinder, the connecting column is connected with the sealing seat in a sliding mode, a sealing taper hole is formed in the center of the sealing seat, a conical sealing column is arranged at the upper end of the sealing plate, a plurality of flow guide holes are formed in the sealing plate, and the clamping ring is fixed with. When the filter element is in a normal filtering state, the sealing seat is separated from the sealing plate, the side wall of the sealing check ring seals the drain hole, and when the filter element is in a back flushing state, the filter element seat, the sealing check ring and the sealing plate are lifted upwards, and the conical sealing column on the sealing plate is matched and sealed with the sealing conical hole on the sealing seat.
Preferably, a mesh water outlet plate is arranged inside the lower end of the sealing retainer ring. The mesh water outlet plate enables water columns of tap water discharged after filtration to be dispersed into a plurality of small water columns, and dish washing, vegetable washing and hand washing are more convenient.
Preferably, the faucet connecting assembly comprises an assembly shell, an upper connecting sleeve is arranged at the upper end of the assembly shell, a side connecting sleeve connected with the water inlet connector is arranged on the side surface of the assembly shell, a water inlet channel communicated with the side connecting sleeve is further arranged in the assembly shell, and a main water inlet hole communicated with the water inlet channel is formed in the upper connecting sleeve; the corrugated sealing ring is arranged in the upper connecting sleeve, the locking sleeve is arranged on the outer side of the upper connecting sleeve, and the locking sleeve is in threaded connection with the upper connecting sleeve. The connecting sleeve is sleeved on the water faucet, the front end of the water faucet is inserted into the corrugated sealing ring, then the corrugated sealing ring is tightly locked and extruded through the locking sleeve, and the inner hole of the corrugated sealing ring tightly holds the water faucet to realize quick sealing connection.
Preferably, the lower end of the component shell is provided with a main drainage hole coaxial with the main water inlet hole, a reversing valve core is arranged in the water inlet channel, and the outer end of the reversing valve core is provided with a rotating handle; the reversing valve core is rotatably connected with the water inlet channel, a section of diversion trench used for communicating a main water inlet hole and a main drainage hole is arranged on the side wall of the reversing valve core, a central hole is arranged in the reversing valve core, the inner end of the central hole is communicated with the water inlet channel, and a connecting through hole communicated with the central hole is arranged at the opposite end of the side wall of the reversing valve core and the diversion trench; when the reversing valve core is at an angle, the connecting through hole is communicated with the main water inlet hole, water flow enters the filter shell at the moment, and when the diversion trench is communicated with the main water inlet hole and the main water outlet hole, the water flow is directly discharged from the main water outlet hole. Whether tap water enters the filter element assembly or not can be controlled through the reversing valve core, for example, when dishes are washed, vegetables are washed and hands are washed, the reversing valve core can be switched to a state that the main water inlet hole and the main water drainage hole are communicated, at the moment, dishes are washed, vegetables are washed and the like directly through the tap water, when dishes are fried, fruits are washed and boiled water is boiled, the reversing valve core is rotated by an angle, the main water inlet hole is communicated with the connecting through hole, and at the moment, the tap water is filtered through the filter element assembly and then is discharged; the filter element is quickly switched according to actual requirements, so that the service life of the filter element component is prolonged; the reversing valve core is very simple in structure and good in stability.
Preferably, the two sides of the diversion trench on the side wall of the reversing valve core are both provided with annular seal grooves, annular seal rings are arranged in the annular seal grooves, one end of the reversing valve core, which is close to the rotating handle, is provided with an annular limiting groove, a limiting hole is arranged in the annular limiting groove, and the assembly shell is provided with an elastic limiting terminal matched with the annular limiting groove.
Therefore, the invention has the following beneficial effects: (1) the whole volume is small, the structure is stable, and the use is convenient; (2) the quick-connection faucet can be quickly connected with a faucet, and the connection is very convenient; (3) the filter element assembly can utilize the water pressure of running water to carry out the back flush after using a period, need not to dismantle the filter element assembly and washs, and the filter element assembly clearance is very convenient.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a schematic structural diagram of fig. 1 from another view angle.
Fig. 3 is a top view of fig. 1.
Fig. 4 is an exploded view of the present invention.
Fig. 5 is a cross-sectional view taken at a-a in fig. 3.
Fig. 6 is a schematic view of a backwash state.
Fig. 7 is a cross-sectional view of the filter housing.
Fig. 8 is a schematic view of the connection of the cartridge holder and the lift seal mechanism.
Fig. 9 is an exploded view of fig. 7.
Fig. 10 is a cross-sectional view of the poppet sealing mechanism.
Fig. 11 is an exploded view of the assembly housing, diverter valve cartridge.
FIG. 12 is a top view of the faucet connection assembly.
Fig. 13 is a cross-sectional view taken at B-B of fig. 10.
Fig. 14 is a cross-sectional view taken at C-C of fig. 10.
In the figure: the filter comprises a filter shell 1, a water inlet joint 100, a positioning cylinder 101, a water outlet 102, an upper water inlet hole 103, a lower water inlet hole 104, a water discharge hole 105, a tap connecting assembly 2, an assembly shell 20, a reversing valve core 200, a rotating handle 201, a diversion trench 202, a central hole 203, a connecting through hole 204, an annular sealing groove 205, an annular sealing ring 206, an annular limiting groove 207, a limiting hole 208, an elastic limiting terminal 209, an upper connecting sleeve 21, a side connecting sleeve 22, a water inlet channel 23, a main water inlet hole 24, a corrugated sealing ring 25, a locking sleeve 26, a main water discharge hole 27, a filter element seat 3, a backwashing water inlet hole 300, a connecting ring 301, a connecting seat 302, a partition plate 303, a filter element assembly 4, an end cover 5, a screw 50, a knob 51, a guide pillar 52, a pre-tightening spring 53, a filter element seat lifting mechanism 6, a lifting sealing mechanism 7, a clamping ring 70, The device comprises a diversion hole 731, a sealing seat 74, a sealing taper hole 740, an isolating ring 8, a diversion pipe 80, a lower annular cavity 9, an intermediate annular cavity 10 and an upper annular cavity 11.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1, 2, 3, 4, 5 and 7, the water filtering apparatus includes a filter housing 1, a water inlet connector 100 is disposed on a side surface of the filter housing 1, and a faucet connecting assembly 2 is connected to the water inlet connector 100; the bottom surface of the filter shell 1 is provided with a positioning cylinder 101, the bottom of the filter shell 1 is positioned in the positioning cylinder and is provided with a water outlet 102, a filter element seat 3 is arranged in the positioning cylinder 101, a filter element assembly 4 is arranged in the filter element seat, the upper end side surface of the filter element seat 3 is provided with a plurality of long slotted holes 30, and the upper end of the filter shell 1 is provided with an end cover 5.
The inner wall of the filter shell 1 is provided with an upper water inlet hole 103 and a lower water inlet hole 104 which are communicated with a water inlet connector, the lower end of the filter element seat 3 is connected with the positioning cylinder in a sliding and sealing way, the end cover is provided with a filter element seat lifting mechanism 6, the lower end of the filter element seat 3 is provided with a lifting and sealing mechanism 7, the side wall of the lower end of the filter element seat 3 is provided with a back flush water inlet hole 300, the outer side of the filter element seat 3 is provided with a connecting ring 301 at the upper end of the positioning cylinder, the connecting ring 301 is connected with the inner wall of the filter shell 1 in a sliding and sealing way, the lower end of the filter shell 1 is provided with an isolating ring 8 at the outer side of the positioning cylinder, the cavity at the lower side of the isolating ring in the filter shell 1 is a lower annular cavity 9, the cavity between the isolating ring and the connecting ring in the filter, the isolating ring 8 is provided with a flow guide pipe 80, and the upper end of the flow guide pipe penetrates through the connecting ring to form sliding sealing connection with the connecting ring.
The center of the upper end of the filter element seat 3 is provided with a connecting seat 302, the center of the end cover 5 is provided with a screw rod 50, the lower end of the screw rod 50 is rotatably connected with the connecting seat, the screw rod 50 is in threaded connection with the end cover, the upper end of the screw rod 50 is fixed with a knob 51, and the knob, the screw rod and the connecting seat form a filter element seat lifting mechanism 6; the upper end of the filter element seat 3 is provided with a partition plate 303 which is in sliding seal with the inner wall of the filter shell, the end cover 5 is provided with a guide pillar 52 which penetrates through the partition plate to form sliding connection with the partition plate, and the outer side of the screw rod 50 is sleeved with a pre-tightening spring 53.
As shown in fig. 8, 9 and 10, the lifting sealing mechanism 7 includes a snap ring 70 and a sealing retainer ring 71, the snap ring 70 is fixedly connected with the sealing retainer ring 71 through a connecting column 72, the sealing retainer ring 71 is connected with the inner wall of the positioning cylinder 101 in a sliding and sealing manner, a sealing plate 73 is fixed at the upper end of the sealing retainer ring 71, a sealing seat 74 is arranged between the connecting columns, the circumferential surface of the sealing seat 74 is fixedly connected with the inner wall of the positioning cylinder 101, the connecting column is connected with the sealing seat in a sliding manner, a sealing taper hole 740 is arranged at the center of the sealing seat 74, a tapered sealing column 730 is arranged at the upper end of the sealing plate 73, a plurality of flow guide holes 731 are arranged on the sealing plate 73, the snap ring 70 is fixed with the lower end of the. In a normal filtering state, the sealing plate 73 is separated from the sealing seat 74, the side wall of the sealing retainer ring seals the drain hole, and water flowing out of the lower end of the filter element assembly can be drained downwards through the sealing taper hole and the diversion hole; when the filter element is in a backwashing state, the filter element seat, the sealing check ring and the sealing plate are lifted upwards, the conical sealing column on the sealing plate is matched and sealed with the sealing taper hole on the sealing seat, and the inner end of the drain hole 105 is communicated with the water outlet due to the lifting of the sealing check ring.
As shown in fig. 11, 12, 13 and 14, the faucet connecting assembly 2 includes an assembly housing 20, an upper connecting sleeve 21 is provided at the upper end of the assembly housing, a side connecting sleeve 22 connected to the water inlet connector is provided at the side of the assembly housing, a water inlet passage 23 communicated with the side connecting sleeve is further provided in the assembly housing, and a main water inlet hole 24 communicated with the water inlet passage is provided in the upper connecting sleeve; a corrugated sealing ring 25 is arranged in the upper connecting sleeve, a locking sleeve 26 is arranged on the outer side of the upper connecting sleeve, and the locking sleeve is in threaded connection with the upper connecting sleeve; the lower end of the component shell 20 is provided with a main drainage hole 27 which is coaxial with the main water inlet hole, a reversing valve core 200 is arranged in the water inlet channel 23, and the outer end of the reversing valve core is provided with a rotating handle 201; the reversing valve core 200 is rotatably connected with the water inlet channel, the side wall of the reversing valve core is provided with a section of diversion trench 202 used for communicating a main water inlet hole and a main water drainage hole, a central hole 203 is arranged in the reversing valve core, the inner end of the central hole is communicated with the water inlet channel, the opposite end of the side wall of the reversing valve core and the diversion trench is provided with a connecting through hole 204 communicated with the central hole, annular sealing grooves 205 are arranged on two sides of the diversion trench on the side wall of the reversing valve core 20, annular sealing rings 206 are arranged in the annular sealing grooves, an annular limiting groove 207 is arranged at one end of the reversing valve core close to the rotating handle, a limiting hole 208 is arranged in the annular limiting groove, and; when the reversing valve core is at an angle, the connecting through hole is communicated with the main water inlet hole, water flow enters the filter shell at the moment, and when the diversion trench is communicated with the main water inlet hole and the main water outlet hole, the water flow is directly discharged from the main water outlet hole.
The principle of the invention is as follows with reference to the attached drawings: when the quick connection type water tap is used, the upper connection sleeve 21 is sleeved on the water tap, the water outlet end of the water tap is located on the corrugated sealing ring 25, the locking sleeve 26 is screwed down, the locking sleeve extrudes the corrugated sealing ring 25 to enable the inner hole of the corrugated sealing ring to deform and tightly hold the water tap, and the quick connection with the water tap is achieved. In a normal filtering state, as shown in fig. 5, the connecting ring 301 seals the lower water inlet 104, the backwashing water inlet 300 is located in the positioning cylinder 101 and is sealed by the positioning cylinder, the sealing retainer ring 71 seals the inner end of the water outlet 105, a flow path of tap water is shown by a dotted line in fig. 5, the tap water sequentially passes through the main water inlet 24, the connecting through hole 204, the central hole 203, the water inlet channel 23 and the upper water inlet 103, enters the upper annular cavity 11, enters from the side surface of the filtering assembly and is discharged from the bottom surface, and water flowing out from the bottom surface of the filtering assembly passes through the retainer ring 70, the sealing taper hole 740, the flow guide hole 731 and the mesh water outlet plate 710, so that;
when the filter element assembly needs to be backwashed, the knob 51 is rotated and drives the filter element seat to be lifted upwards by a section of displacement through the screw, the lifted state is shown in figure 6, the connecting ring 301 moves upwards by a section of displacement and then seals the upper water inlet hole 103, the lower water inlet hole is communicated with the middle annular cavity 10,
the backwashing water inlet 300 moves upwards and then is communicated with the middle annular cavity 10, the sealing check ring 71 moves upwards to enable the water outlet 105 to be communicated with the water outlet, the sealing plate 73 in the lifting sealing assembly moves upwards and then seals the sealing taper hole 740 through the tapered sealing column 730, the flow path of tap water is shown by a dotted line in fig. 6, the tap water sequentially passes through the main water inlet 24, the connecting through hole 204, the central hole 203, the water inlet channel 23 and the lower water inlet 103 and then enters the lower end of the filter element seat through the backwashing water inlet 300, the water enters the upper annular cavity 11 of the side flow channel from the bottom of the filter element assembly (realizing backwashing), the water in the upper annular cavity sequentially passes through the guide pipe 80, the lower annular cavity 9 and the water outlet 105 and then is discharged from the water outlet 102, and the backwashing is realized, the whole backwashing process is very convenient to operate.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (9)
1. A water filtering device comprises a filter shell and is characterized in that a water inlet joint is arranged on the side surface of the filter shell, and a faucet connecting assembly is connected to the water inlet joint; the bottom surface of the filter shell is provided with a positioning cylinder, the bottom of the filter shell is positioned in the positioning cylinder and is provided with a water outlet, a filter element seat is arranged in the positioning cylinder, a filter element assembly is arranged in the filter element seat, the side surface of the upper end of the filter element seat is provided with a plurality of long slotted holes, and the upper end of the filter shell is provided with an end cover.
2. The water filtering device as claimed in claim 1, wherein the inner wall of the filter housing has an upper water inlet hole and a lower water inlet hole communicating with the water inlet joint, the lower end of the filter element seat is connected with the positioning cylinder in a sliding and sealing manner, the end cap is provided with a filter element seat lifting mechanism, the lower end of the filter element seat is provided with a lifting and sealing mechanism, the lower end side wall of the filter element seat is provided with a back flushing water inlet hole, the outer side of the filter element seat is provided with a connecting ring at the upper end of the positioning cylinder, the connecting ring is connected with the inner wall of the filter housing in a sliding and sealing manner, the lower end of the filter housing is provided with a separating ring at the outer side of the positioning cylinder, the cavity at the lower side of the separating ring in the filter housing is a lower annular cavity, the cavity between the separating ring and the connecting, the side wall of the lower end of the positioning cylinder is provided with a plurality of drain holes communicated with the lower annular cavity, the isolating ring is provided with a flow guide pipe, and the upper end of the flow guide pipe penetrates through the connecting ring to form sliding sealing connection with the connecting ring.
3. The water filter device as claimed in claim 2, wherein the filter element seat is centrally provided with a connecting seat at an upper end thereof, the end cap is centrally provided with a screw rod, a lower end of the screw rod is rotatably connected with the connecting seat, the screw rod is in threaded connection with the end cap, a knob is fixed at an upper end of the screw rod, and the knob, the screw rod and the connecting seat constitute the lifting mechanism of the filter element seat.
4. The water filtering device as claimed in claim 3, wherein a partition plate is provided at an upper end of the filter element seat, the partition plate is in sliding seal with an inner wall of the filter housing, a guide post is provided on the end cap, the guide post passes through the partition plate to form a sliding connection with the partition plate, and a pre-tightening spring is sleeved outside the screw rod.
5. The water filter device according to claim 2, wherein the lifting sealing mechanism comprises a snap ring and a sealing retainer ring, the snap ring is fixedly connected with the sealing retainer ring through a connecting column, the sealing retainer ring is slidably and hermetically connected with the inner wall of the positioning cylinder, a sealing plate is fixed at the upper end of the sealing retainer ring, a sealing seat is arranged between the connecting columns, the circumferential surface of the sealing seat is fixedly connected with the inner wall of the positioning cylinder, the connecting column is slidably connected with the sealing seat, a sealing taper hole is arranged at the center of the sealing seat, a conical sealing column is arranged at the upper end of the sealing plate, a plurality of flow guide holes are formed in the sealing plate, and the snap ring is coaxially clamped and fixed with the lower end of the filter.
6. A water filtration device as claimed in claim 5 wherein said sealing collar has a mesh outlet plate within the lower end thereof.
7. The water filtering device as claimed in claim 1, wherein the faucet connecting assembly comprises an assembly housing, an upper connecting sleeve is arranged at the upper end of the assembly housing, a side connecting sleeve connected with the water inlet connector is arranged on the side surface of the assembly housing, a water inlet passage communicated with the side connecting sleeve is further arranged in the assembly housing, and a main water inlet hole communicated with the water inlet passage is arranged in the upper connecting sleeve; the corrugated sealing ring is arranged in the upper connecting sleeve, the locking sleeve is arranged on the outer side of the upper connecting sleeve, and the locking sleeve is in threaded connection with the upper connecting sleeve.
8. The water filter device as claimed in claim 7, wherein the lower end of the module housing is provided with a main drainage hole coaxial with the main water inlet hole, the water inlet channel is internally provided with a reversing valve core, and the outer end of the reversing valve core is provided with a rotating handle; the reversing valve core is rotatably connected with the water inlet channel, a section of diversion trench used for communicating a main water inlet hole and a main drainage hole is arranged on the side wall of the reversing valve core, a central hole is arranged in the reversing valve core, the inner end of the central hole is communicated with the water inlet channel, and a connecting through hole communicated with the central hole is arranged at the opposite end of the side wall of the reversing valve core and the diversion trench; when the reversing valve core is at an angle, the connecting through hole is communicated with the main water inlet hole, water flow enters the filter shell at the moment, and when the diversion trench is communicated with the main water inlet hole and the main water outlet hole, the water flow is directly discharged from the main water outlet hole.
9. The water filtering device as claimed in claim 8, wherein the side wall of the reversing valve core is provided with annular sealing grooves at two sides of the diversion groove, an annular sealing ring is arranged in each annular sealing groove, one end of the reversing valve core close to the rotating handle is provided with an annular limiting groove, a limiting hole is arranged in each annular limiting groove, and the assembly housing is provided with an elastic limiting terminal matched with the annular limiting groove.
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| CN202011317983.3A CN112546695B (en) | 2020-11-23 | 2020-11-23 | Water filtering device |
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| CN202011317983.3A CN112546695B (en) | 2020-11-23 | 2020-11-23 | Water filtering device |
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| CN112546695B CN112546695B (en) | 2022-06-14 |
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| CN113662425A (en) * | 2021-08-11 | 2021-11-19 | 李磊 | Office intelligent instant heating water dispenser and working method thereof |
| CN113701342A (en) * | 2021-09-01 | 2021-11-26 | 苏州鱼得水电气科技有限公司 | Circulating filtering type household electric water heater capable of preventing scale and working method thereof |
| CN113713458A (en) * | 2021-09-01 | 2021-11-30 | 中国船舶重工集团公司第七0七研究所九江分部 | Thread anti-seize seawater filter |
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|---|---|
| CN112546695B (en) | 2022-06-14 |
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Effective date of registration: 20220525 Address after: 325102 Shangtang Binjiang Industrial Park (zhikou village, Dongcheng Street), Yongjia County, Wenzhou City, Zhejiang Province Applicant after: JUNPIN GROUP CO.,LTD. Address before: 310000 No.5 yujiadian, Ruhong village, Dashu Town, Chun'an County, Hangzhou City, Zhejiang Province Applicant before: Yu Zefei |
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Denomination of invention: A water filtration device Effective date of registration: 20230615 Granted publication date: 20220614 Pledgee: China Co. truction Bank Corp Yongjia branch Pledgor: JUNPIN GROUP CO.,LTD. Registration number: Y2023330001213 |