CN106673135B - Household water purifier - Google Patents
Household water purifier Download PDFInfo
- Publication number
- CN106673135B CN106673135B CN201611122548.9A CN201611122548A CN106673135B CN 106673135 B CN106673135 B CN 106673135B CN 201611122548 A CN201611122548 A CN 201611122548A CN 106673135 B CN106673135 B CN 106673135B
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- filter element
- water
- support
- seat
- shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 357
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 47
- 239000011148 porous material Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000000108 ultra-filtration Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a household water purifier, which comprises a filter element, a filter element seat and a support, wherein the filter element is placed in an initial position of a mounting opening of the filter element seat, the filter element and the filter element seat simultaneously rotate downwards to enable a guide sliding part of the filter element to enter a guide part of the support, the filter element and the filter element seat continue to rotate until the filter element is in a vertical state, and in the rotating stroke of the filter element and the filter element seat, the filter element is inserted into the filter element seat under the action of the guide part of the support and enables a water filtering flow channel of the water purifier to be opened. The invention adopts the guide rail type or track type filter element mounting or dismounting design, and can be communicated with a waterway, namely a water flow channel, only when the filter element is mounted in place, a Guan Jingshui main valve is not needed when the filter element is replaced and dismounted, and the invention has the advantages of convenient mounting and dismounting, compact structure, reliable water stop and the like.
Description
Technical Field
The invention discloses a household water purifier, which belongs to the technical field of household water purifier manufacturing according to International Patent Classification (IPC).
Background
At present, the household water purifier, the mounted position is generally under the kitchen mesa, water after the water purifier filters passes through water piping connection to kitchen mesa's play faucet, for the result of use of guarantee water purifier, the filter core must be changed regularly according to the in service behavior, current fixing base often is fixed knot position connection is detained to the dismouting of its and filter core horizontal rotation of department usually adopted at the mounting hole, it is screwed into and fixed again to put into the fixing base mounting hole with the filter core when the installation, adopt to unscrew earlier and then withdraw from the fixing base mounting hole under vertical during the dismantlement just can take out to change the filter core, because the water purifier settles the space narrow and small, it is complicated troublesome to change the filter core dismouting.
The water purifier is required to close the water flow channel before replacing the filter, otherwise, water overflows: the existing water purifier is generally provided with a water valve on an external water pipe which is communicated with the water purifier to control the water way to be opened and closed; the water purifier with water stopping function is designed at the joint surface of the filter element and the fixing seat, when the filter element is screwed in place with the fixing seat, the water gap of the filter element is butted with the water inlet of the fixing seat to form a filtered water channel, and when the filter element is rotated to be withdrawn, the water gap of the filter element is dislocated with the water inlet of the fixing seat to block the channel, but the scheme requires high processing precision of the water gap of the filter element and the water inlet of the fixing seat, otherwise, errors are generated in the screwing alignment.
Chinese literature CN 203750272U discloses a water purifier, including filter core and detachable fixing base of connecting on the filter core top, offered two water inlets and delivery port that are used for UNICOM filter core inner chamber on the top of filter core, the water guide mouth that corresponds water inlet and delivery port respectively is offered to the middle part of fixing base, the fixing base both sides are equipped with external water inlet and the filtration water outlet that are connected with two water guide mouths respectively correspondence, two water guide mouths and water inlet and delivery port between still be equipped with a rotatable disk case that is used for controlling waterway relation and opens and close, this scheme water purifier fixing base structure is complicated, and disk case easily leaks under the pressure-bearing state to overall structure cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a household water purifier which has the advantages of reasonable structure, reliable water stopping and the like.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the household water purifier comprises a filter element, a filter element seat and a support, wherein a water inlet and a water outlet are formed in the top of the filter element, a filter element installation opening is formed in the filter element seat, a water inlet and a water outlet matched with a water flow channel of the filter element are formed in the installation opening, a support is arranged on the outer side of the filter element seat, the support is provided with a left side surface and a right side surface, water inlet holes and water outlet holes are formed in the left side surface and the right side surface so as to be matched with the water flow channel in the filter element seat, the filter element seat rotates on the left side surface and the right side surface of the support, a rotating track surface of the filter element seat is parallel to the left side surface and the right side surface of the support, guide parts are arranged on the left side surface and the right side surface of the support, guide parts matched with the guide parts are arranged on the outer side of the filter element, guide parts and the guide parts form a guide rail matched filter element guide structure, and the water inlet and outlet holes of the support, the water flow channel of the filter element seat, the filter element and the water inlet and the water outlet holes are connected to form a water filtering flow channel of the water purifier;
the filter element is placed in the initial position of the mounting opening of the filter element seat, namely the mounting and taking-out position, the filter element and the filter element seat simultaneously rotate downwards to enable the guide sliding part of the filter element to enter the guide part of the support, the filter element and the filter element seat continue to rotate until the filter element is in a vertical state, and in the rotating stroke of the filter element and the filter element seat, the filter element is inserted into the mounting opening position with the filter element seat under the action of the guide part of the support, so that a water filtering flow passage of the water purifier is opened.
Further, the water flow channel of the filter core seat comprises a water inlet channel and a water outlet channel, and a water stopping piece is arranged in the water inlet channel and/or the water outlet channel and is matched with the water inlet end and/or the water outlet end of the filter core to realize waterway opening.
Further, the water inlet channel and the water outlet channel of the filter core seat comprise a transverse channel and a vertical channel, a water stopping piece is arranged in the vertical channel and is a sliding block, the sliding block is blocked at the position of a transverse channel opening, a protruding pipe orifice structure is arranged at the water inlet end or the water outlet end of the filter core, and when the water inlet end or the water outlet end of the filter core is inserted into the vertical channel and pushes the sliding block upwards, the transverse channel opening is bent to form an opened waterway.
Further, a reset spring is arranged at the top of the sliding block, the sliding block is provided with a water retaining part and a water passing part, water outlet of the water passing part is communicated with a water inlet or a water outlet of the filter element, and annular grooves are formed in the upper portion and the lower portion of the water retaining part and used for accommodating the sealing rings. The water retaining part is positioned above the water passing part, the axial center of the water retaining part is provided with a hole groove structure for placing the reset spring, the bottom of the water retaining part is provided with a partition structure for isolating the water passing part, water is prevented from flowing upwards, the axial through hole of the water passing part is formed in the circumferential side of the upper part of the through hole, more than one hole window is arranged on the circumferential side of the upper part of the through hole and is connected with the axial through hole, and when the sliding block is jacked, the hole window of the water passing part is communicated with the transverse channel to open the waterway.
Further, the sliding block is provided with a sealing structure as follows: the vertical channel of the filter core seat is provided with a shrinkage cavity part, the sliding block is provided with a shrinkage cavity part corresponding to the shrinkage cavity part, the shrinkage cavity part is provided with an annular groove matched with a sealing ring to seal with the shrinkage cavity part, the lower part of the annular groove of the sliding block is provided with a water passage part, and when the sliding block is jacked up, a water passage channel of the water passage part is communicated with the filter core seat and the filter core to open a waterway. The upper surface of the sliding block ring groove is provided with a water retaining part, the water retaining part is hollow to be placed with a reset spring, and the reset spring is matched with the filter element seat top cover.
Further, the filter core seat and the support adopt a shaft matching structure, the water filtering flow passage penetrates through the filter core seat and the shaft matching structure of the support, a shaft plug matched with the filter core seat is arranged in a pore passage of the support, the matching surface of the shaft plug and the filter core seat is of an inclined surface structure, and the filter core seat pushes the shaft plug to move outwards to plug a water inlet or a water outlet of the support when rotating.
Further, a shaft end is formed on the filter core seat, a pore canal is arranged in the shaft end to form a water flow channel, a shaft head matched with the shaft end is arranged on the support, a reciprocating shaft plug is arranged in the pore canal of the shaft head, one end of the shaft plug can be plugged at a water gap of the support, and the other end of the shaft plug and the shaft end of the filter core seat form an inclined plane matched structure.
Further, the shaft plug is matched with the spring to reset the shaft plug, the shaft plug is provided with a sealing end, the sealing end is provided with a conical sealing ring to plug the water inlet and the water outlet of the support, the shaft plug is provided with an action part, the shaft end of the filter element seat is provided with a pushing part or a pushing tooth structure matched with the action part of the shaft plug, the filter element seat rotates to push the shaft plug to slide axially, the side surface of the action part of the shaft plug is provided with a positioning surface, a limiting surface is arranged in a pore canal of a shaft head of the support and is used for being matched with the positioning surface to enable the shaft plug to move axially along the pore canal without circumferential rotation, the center of the shaft plug is provided with a water flow channel of which a pipe part is used for communicating the filter element seat, and the pipe cavity of the pipe part extends towards the sealing end and is connected with the water inlet or the water outlet of the support towards the pipe wall through hole.
Further, the left side face and the right side face of the support are respectively provided with an arc-shaped groove, buckling points are arranged in the arc-shaped grooves, limiting pieces are arranged on two sides of the filter element seat, the limiting pieces of the filter element seat are matched in the arc-shaped grooves of the support, clamping points corresponding to the buckling points are arranged on the limiting pieces, the filter element seat rotates relative to the support under the guiding matching of the limiting pieces and the arc-shaped grooves, the buckling points and the filter element seat are matched to realize the switching of the filter element in the vertical position and the taking-out position.
Further, the shaft plug is matched with the spring to reset, the shaft plug is provided with a sealing end, the sealing end is provided with a conical sealing ring to block the water inlet and the water outlet of the support, the upper sealing end of the shaft plug is provided with an axial positioning part, a positioning hole is arranged in a pore canal of the support shaft head and is used for being matched with the axial positioning part to enable the shaft plug to horizontally move along the pore canal without rotating, the shaft plug is provided with an inclined surface end, the inclined surface end of the shaft plug stretches into a step hole at the shaft end of the filter element seat and forms an inclined surface matched action surface, the inclined surface end is provided with a through hole for communicating a water flow channel of the filter element seat, and the through hole of the inclined surface end extends to the sealing end and is connected with the water inlet or the water outlet of the support.
Further, the filter core seat is connected with the supports on the two sides by adopting a shaft matching structure, the filter core seat rotates around the shaft matching part, when the filter core seat and the filter core are in a vertical state and are installed in place, the water flow channel of the filter core seat is in butt joint with the water hole on the support in a rotating way to be communicated with the waterway, and when the filter core seat is in a non-vertical state, the water flow channel of the filter core seat is dislocated with the water hole on the support to be cut off the waterway.
The invention realizes the vertical installation mode of the filter element through the relative rotation of the filter element seat and the support, and the filter element seat and the support are provided with the water sealing structure, so that the filter element can be replaced more conveniently and safely, and the invention has the following beneficial effects:
1. when the filter element is replaced, the filter element and the filter element seat rotate around the support, and the shaft plugs the water gaps at two ends or the water gap of the support filter element seat and the water gap of the support seat are dislocated so as to realize water sealing.
2. When the filter element is pulled out, the slide block descends to block the water gap, so that water sealing is realized.
Drawings
FIG. 1 is a schematic view of an RO machine according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the RO machine of the present invention.
FIG. 3 is a schematic diagram of the RO machine of the present invention.
FIG. 4 is a diagram showing the rotational slope engagement of the RO machine of the present invention.
Fig. 5 is a perspective view of the RO machine of the present invention.
FIG. 6 is a schematic view of a slider of the present invention.
Fig. 7 is a first schematic view of the shaft plug of the present invention, i.e., the shaft plug of fig. 2.
Fig. 8 is a schematic view of an ultrafilter of the present invention.
Fig. 9 is a schematic view of the ultrafilter waterway opening of the present invention.
Fig. 10 is a schematic view of the ultrafilter waterway disconnection.
FIG. 11 is a schematic view of an arc-shaped water stop according to another embodiment of the present invention.
Fig. 12 is a second schematic view of the shaft plug of the present invention, i.e., the shaft plug of fig. 11.
Fig. 13 is a cross-sectional view of fig. 11.
Fig. 14 is a schematic view of the cartridge holder of fig. 11.
Fig. 15 is a schematic view of the cooperation of the support arc-shaped groove and the filter element seat limiting block in fig. 11.
Fig. 16 is a cross-sectional view of a third embodiment of the present invention.
Fig. 17 is a schematic view of a water stop according to a third embodiment of the present invention.
Fig. 18 is a cross-sectional view of the water stop in fig. 17.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples: referring to fig. 1 to 8, a household water purifier includes a filter element 1, a filter element seat 2 and a support 3, wherein a water inlet and a water outlet are provided at the top of the filter element 1, a filter element mounting opening is provided on the filter element seat 2, water inlet and water outlet matching water flow channels with the filter element 1 are provided in the mounting opening, a support 3 is provided at the outer side of the filter element seat 2, the support 3 has left and right sides and is provided with water inlet and water outlet holes to match the water flow channels in the filter element seat 2, the filter element seat 2 can rotate between the left and right sides of the support 3, the rotation track surface of the filter element seat 2 is parallel to the left and right sides of the support, i.e. the rotation track surface of the filter element seat 2 is perpendicular to the transverse connection line of the left and right sides of the support 3, the left and right sides of the support 3 are provided with guide parts 301 and 302, the outer side of the filter element 1 is provided with guide sliding parts 101 and 102 matching with the guide parts, the guide parts of the support 3 can be guide grooves or hooks, the guide parts corresponding to the filter element can be guide columns or hooks, the water inlet and outlet holes of the support 3, the water flow channels of the filter element seat 2, the filter element 1 and the water inlet and the water outlet are connected to form a water filtering channel of the water purifier; the filter element 1 is placed in an initial position of a mounting opening of the filter element seat 2, namely, a mounting and taking-out position, the filter element 1 and the filter element seat 2 simultaneously rotate downwards to enable the guide sliding parts 101 and 102 of the filter element to enter the guide parts 301 and 302 of the support 3, the filter element 1 and the filter element seat 2 continue to rotate until the filter element is in a vertical state, and in the rotating stroke of the filter element 1 and the filter element seat 2, the filter element 1 is spliced in place with the filter element seat 2 under the action of the guide parts of the support 3 and enables a water filtering flow passage of the water purifier to be opened. The household water purifier in the embodiment of the invention is an RO membrane water purifier, namely, an RO membrane filter core is adopted as a filter core, and a water quality detection port 1001 (comprising raw water detection and filtered water detection) and a waste water outlet 1002 are arranged on a water flow passage of a filter core seat.
The support structure of the invention is designed as follows: the left and right sides of the stand 3 may be independent left and right seats 3001 and 3002, as shown in fig. 1 and 2; the support can also be integrally formed, the front and lower openings of the support are used for accommodating the filter core seat 2 and the filter core 1, and the other surfaces are closed, including left and right side surfaces, a top surface and a rear surface, as shown in fig. 11; in addition to the above design, other similar designs for accomplishing the objectives of the present application are also within the scope of the present application.
As shown in fig. 2 and fig. 4, the water flow channel of the filter core seat 2 of the present invention includes a water inlet channel and a water outlet channel, at least one of the water inlet channel and the water outlet channel of the filter core seat of the present invention is provided with a water stop member 4, i.e. the water inlet channel and/or the water outlet channel is provided with the water stop member 4, and the water stop member 4 cooperates with the water inlet end and/or the water outlet end of the filter core 1 to realize the water path opening. The water inlet channel and the water outlet channel of the filter element seat 2 comprise a transverse channel and a vertical channel, a water stopping piece is arranged in the vertical channel, the water stopping piece 4 is a sliding block, the sliding block 4 is blocked at the position of a transverse channel opening, the water inlet end or the water outlet end of the filter element 1 is provided with a protruding pipe orifice structure, and when the water inlet end or the water outlet end of the filter element is inserted into the vertical channel and pushes the sliding block 4 upwards, the transverse channel opening is allowed to form an opened waterway. The direction of the arrow in fig. 2 shows the direction of the waterway of the water purifier of the present invention, raw water sequentially passes through the water inlet of the support, the shaft plug, the water inlet channel of the filter element seat, the RO membrane of the filter element, the water outlet channel of the filter element seat, the shaft plug, and finally flows out through the water outlet of the support. As shown in fig. 3 and 4, after the filter element rotates, two inclined planes which are completely attached originally after the filter element rotates theta (theta is between 0 and 90 degrees) can be partially attached, shaft plugs at two ends can be moved by means of the inclined plane matching structure, water inlet and outlet ports are blocked, water sealing is achieved, and replacement of the filter element is facilitated.
As shown in fig. 5, the left and right side surfaces of the support 3 of the present invention are provided with guide parts 301 and 302, and guide sliding parts 101 and 102 which are matched with the outer side of the filter element 1, so that the filter element can be prevented from falling off and shaking after the installation is completed.
As shown in fig. 2 and 6, a sliding block 4 in a filter core seat 2 can be blocked at a transverse channel port of the filter core seat under the action of normal gravity, in order to further improve the sealing performance of a water stop piece, a reset spring 401 is arranged at the top of the sliding block 4 to reset under the action of elasticity, the sliding block 4 is provided with a water blocking part 41 and a water passing part 42, the water outlet of the water passing part 42 is communicated with a water inlet or a water outlet of the filter core 1, and annular grooves 411 and 412 are arranged on the upper side and the lower side of the water blocking part 42 for accommodating sealing rings so as to improve the water stop sealing performance. The water retaining part 41 is located above the water passing part 42, the axial center of the water retaining part 41 is provided with a hole groove structure 413 for placing the reset spring 401, the bottom of the water retaining part 41 is provided with a partition structure for isolating the water passing part, water is prevented from flowing upwards, the water passing part 42 is provided with an axial through hole, the periphery of the upper part of the through hole is provided with more than one hole window which is connected with the axial through hole, and when the sliding block 4 is jacked, the hole window of the water passing part is communicated with the transverse channel to open a waterway.
As shown in fig. 1 to 6 and 12, the filter core holder 2 and the support 3 of the present invention adopt a shaft structure, the water filtering flow passage passes through the shaft structure of the filter core holder 2 and the support 3, a shaft plug 5 matched with the filter core holder 2 is arranged in the pore passage of the support 3, the matching surface of the shaft plug 5 and the filter core holder 2 is in an inclined surface structure, and the filter core holder 2 pushes the shaft plug 5 to move outwards to block the water inlet or the water outlet of the support 2 when rotating.
As shown in fig. 2, fig. 4, fig. 13 and fig. 14, a shaft end 21 is formed on a filter core seat 2 of the present invention, a water inlet or a water outlet of a water flow channel is formed in the shaft end 21, a shaft head 31 matched with the shaft end is arranged on a support 3, a reciprocating shaft plug 5 is arranged in the shaft passage of the shaft head 31, a spring 501 is arranged between the shaft head and the shaft plug, one end of the shaft plug 5 can be plugged at a water inlet or a water outlet of the support, and the other end of the shaft plug 5 and the shaft end of the filter core seat 2 form an inclined plane matched structure. As shown in fig. 11 and 13, the shaft plug 5 is matched with the spring 501 to reset the shaft plug, the spring 501 is arranged on one side of the shaft plug, the shaft plug 5 is provided with a sealing end 51, the sealing end is provided with a ring groove 511 for accommodating a conical sealing ring to seal the water inlet and the water outlet of the support 3, the shaft plug 5 is provided with an action part 52, the shaft end of the filter element seat 2 is provided with a pushing part 210 or a pushing tooth structure matched with the action part of the shaft plug, the filter element seat 2 rotates to push the shaft plug 5 to slide axially, the side surface of the action part 52 of the shaft plug is provided with a positioning surface 512, the positioning surface on the other side of the shaft plug in fig. 12 is not shown, the two positioning surfaces are symmetrically arranged, a limiting surface is arranged in a pore channel of the support shaft head 31 and is used for being matched with the positioning surface to enable the shaft plug 5 to move axially along the pore channel without circumferential rotation, the center of the shaft plug 5 is provided with a pipe part 53 for communicating a water flow channel of the filter element seat 2, a pipe cavity 531 of the pipe part extends towards the sealing end 51 and is connected with the water inlet or the water outlet of the support 3 through a pipe wall hole 532.
As shown in fig. 11, 14 and 15, an arc groove 303 is respectively arranged on the left side surface and the right side surface of the support 3, buckling points 3030 are arranged in the arc grooves, limiting pieces 6 are arranged on two sides of the filter core seat 2, the limiting pieces 6 of the filter core seat 2 are matched in the arc grooves 303 of the support, the arc grooves 303 are of through hole groove structures, the limiting pieces 6 penetrate through the arc grooves and are connected with the filter core seat 2, clamping points corresponding to the buckling points, which can be clamping grooves, clamping holes or clamping parts, are arranged on the limiting pieces 6 of the support, the filter core seat 2 rotates relative to the support under the guiding and matching of the limiting pieces 6 and the arc grooves 303, and the matching of the arc grooves, the buckling points and the filter core seat realizes the switching of the filter core in a vertical position and a taking-out position, namely, the installation and taking-out position, as shown in fig. 15. The arc-shaped groove of the invention has the function 1: when the filter element drives the filter element seat to be outwards broken and rotated for an angle alpha, the filter element seat is blocked and limited by the arc-shaped groove, the angle alpha is 45 degrees <80 degrees, preferably 65 degrees, when the filter element is taken off, the filter element seat is blocked by the buckling point of the arc-shaped groove to prevent the filter element seat from sliding downwards due to gravity, and after the filter element is replaced, the filter element seat is pushed inwards to touch the bottom of the arc-shaped groove, and the filter element is limited and is ensured to be vertical. The function 2 of the arc-shaped groove of the invention is as follows: when the filter element rotates outwards for alpha degrees, the shaft plug can move towards two sides and is supported by the sealing ring to prop against the water inlet and the water outlet of the support (the shell part) to seal water, the support (the shell part) is possibly not strong enough to be deformed by the top of the sealing ring of the shaft plug to generate water leakage, and at the moment, the limiting piece (the limiting block) and the filter element seat (the filter element fixing seat) are connected into a whole to be sleeved on the surface of the arc-shaped groove to form a fixed distance B, so that the shell is prevented from being deformed to ensure the water sealing of the shaft plug.
As shown in fig. 2, fig. 4 and fig. 7, the shaft plug 5 of the present invention may be designed in such a way that the shaft plug 5 is matched with the spring 501 to enable the shaft plug to reset, i.e. the shaft plug always acts with the filter core seat under the action of the spring, the spring 501 is disposed at one side of the shaft plug 5 and is matched with the boss of the support hole, the shaft plug 5 has a sealing end 501, the sealing end is provided with a ring groove 500 for accommodating a cone-shaped sealing ring to seal the water inlet and the water outlet of the support 3, the sealing end of the shaft plug 5 is provided with an axial positioning portion 502, the hole in the hole of the support shaft head 31 is provided with a positioning hole for matching the axial positioning portion to enable the shaft plug 5 to move horizontally along the hole without rotation, the shaft plug 5 has a bevel end 503, the bevel end of the shaft plug 5 stretches into the step hole of the shaft end 21 of the filter core seat and forms a bevel matching surface, the bevel end 503 is provided with a through hole 5030 for communicating with the water flow channel of the filter core seat, and the through hole 5030 of the bevel end extends toward the sealing end and is connected with the water inlet or the water outlet of the support 2, as indicated by the arrow in fig. 7.
Fig. 8, 9 and 10 show another implementation structure of the household water purifier of the invention, which comprises a filter element 1, a filter element seat 2 and a support 3, wherein the left side surface and the right side surface of the support 3 can be independent left side seat and right side seat, the top of the filter element 1 is provided with a water inlet and a water outlet, the filter element seat 2 is provided with a filter element mounting opening, the mounting opening is internally provided with a water flow channel matched with the water inlet and the water outlet of the filter element 1, the outer side of the filter element seat 2 is provided with the support 3, the support 3 is provided with a left side surface and a right side surface, water inlet holes and water outlet holes are arranged on the left side surface and the right side surface to be matched with the water flow channel in the filter element seat 2, the filter core seat 2 can rotate between the left side surface and the right side surface of the support 3, the rotation track surface of the filter core seat 2 is parallel to the left side surface and the right side surface of the support, namely, the rotation track surface of the filter core seat 2 is perpendicular to the transverse connection line of the left side surface and the right side surface of the support 3, the left side surface and the right side surface of the support 3 are provided with guide parts 301 and 302, the outer side of the filter core 1 is provided with guide sliding parts 101 and 102 matched with the guide parts, the guide parts of the support 3 can be guide columns or hooks, the guide sliding parts corresponding to the filter core can be guide grooves or hooks, and the water inlet and outlet holes of the support 3, the water flow channel of the filter core seat 2, the filter core 1 and the water inlet and outlet are connected to form a water filtering flow channel of the water purifier; the filter element 1 is placed in an initial position of a mounting opening of the filter element seat 2, namely, a mounting and taking-out position, the filter element 1 and the filter element seat 2 simultaneously rotate downwards to enable the guide sliding parts 101 and 102 of the filter element to enter the guide parts 301 and 302 of the support 3, the filter element 1 and the filter element seat 2 continue to rotate until the filter element is in a vertical state, and in the rotating stroke of the filter element 1 and the filter element seat 2, the filter element 1 is spliced in place with the filter element seat 2 under the action of the guide parts of the support 3 and enables a water filtering flow passage of the water purifier to be opened. The domestic water purifier in this embodiment is an ultrafiltration membrane water purifier, that is, the filter core adopts ultrafiltration membrane filtration, and the water flow channel of the filter core seat is provided with a raw water detection port 1003 and a pure water detection port 1004. The water flow channel of the filter core seat 2 comprises a water inlet channel and a water outlet channel, at least one of the water inlet channel and the water outlet channel of the filter core seat is internally provided with a water stopping piece 4, namely the water inlet channel and/or the water outlet channel is internally provided with the water stopping piece 4, and the water stopping piece 4 is matched with the water inlet end and/or the water outlet end of the filter core 1 to realize waterway opening. The water inlet channel and the water outlet channel of the filter element seat 2 comprise a transverse channel and a vertical channel, a water stopping piece is arranged in the vertical channel, the water stopping piece 4 is a sliding block, the sliding block 4 is blocked at the position of a transverse channel opening, the water inlet end or the water outlet end of the filter element 1 is provided with a protruding pipe orifice structure, and when the water inlet end or the water outlet end of the filter element is inserted into the vertical channel and pushes the sliding block 4 upwards, the transverse channel opening is allowed to form an opened waterway. The direction of the water path of the water purifier of the invention shown by the arrow in fig. 9 is that raw water sequentially passes through the water inlet of the support, the water inlet channel of the filter element seat, the ultrafiltration membrane of the filter element and the water outlet channel of the filter element seat, and finally flows out through the water outlet of the support. The filter element is pulled out after the filter element is replaced by rotating the filter element by a certain angle theta (theta is between 0 and 90 degrees), the filter element is in an inclined state at the moment, and water paths at inlets and outlets on the left side surface and the right side surface of the support are cut off after the filter element rotates, so that the filter element is convenient to replace; when the filter element is installed, the inlet and the outlet are passages, and the filter element is in a vertical state. The guide part of the support and the guide sliding part matched with the filter element in the embodiment of the invention are the same as the RO machine structural embodiment, namely the implementation structure in figures 1 to 5, and the sliding block arranged in the filter element seat is the same as the RO machine structural embodiment, namely the implementation structure in figures 2 and 6. The left surface and the right surface of the filter core seat 2 are connected with the left surface and the right surface of the support by adopting a shaft matching structure, the filter core seat 2 rotates around the shaft matching part, when the filter core seat 2 and the filter core 1 are in a vertical state and are installed in place, the water flow channel of the filter core seat 2 is in butt joint with the water hole on the support 3 in a rotating way to be communicated with a waterway, and when the filter core seat 2 is in a non-vertical state, the water flow channel of the filter core seat is misplaced with the water hole on the support 3 to be cut off the waterway.
As shown in fig. 16 to 18, the water stop 4 in the present embodiment is changed with the water flow channel on the filter core seat 2, the slider in fig. 2 and 8 is matched with two sealing rings, in the present embodiment, the slider is matched with only 1 sealing ring, specifically, the vertical channel of the filter core seat 2 is provided with a shrinkage cavity 221, the water stop 4 is a slider, the slider is provided with a shrinkage cavity 400 corresponding to the shrinkage cavity, the shrinkage cavity is provided with a ring groove 402 matched with the sealing ring to seal with the shrinkage cavity, the water passing portion 42 is arranged below the ring groove of the slider, and when the slider is jacked, the water passing channel 403 of the water passing portion is communicated with the filter core seat and the filter core to open the waterway. The upper surface of the sliding block ring groove 402 is provided with a water retaining part 41, the water retaining part 41 is hollow to be provided with a return spring 401, the return spring 401 is matched with the filter element seat top cover 6, and the top cover is matched with a sealing ring of a filter element seat port. In the embodiment, only one sealing ring is arranged on the sliding block of the water stop piece 4, water sealing is realized by matching with the shrinkage cavity part in the filter element seat channel, and when the sliding block is jacked up, the filter element seat channel is communicated with the water passage on the sliding block to open a waterway. In the embodiment, the sliding block is provided with only one sealing ring, and water is sealed through the inclined plane, so that the effect is better. The filter element seat 2 and the filter element 1 related to the embodiment are matched, the filter element seat 2 and the support 3 are rotationally connected to form a machine head, the two sides of the filter element seat 2 and the support 3 form a limiting structure, the support 3 is of an integrated structure, and guide posts 101 and 102 of the filter element and guide grooves of the support form a guide rail matched filter element guide structure.
The invention adopts the guide rail type or track type filter element mounting or dismounting design, and can be communicated with a waterway, namely a water flow channel, only when the filter element is mounted in place, a Guan Jingshui main valve is not needed when the filter element is replaced and dismounted, and the invention has the advantages of convenient mounting and dismounting, compact structure, reliable water stop and the like.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (12)
1. A household water purifier, characterized in that: comprises a filter element, a filter element seat and a support, wherein the top of the filter element is provided with a water inlet and a water outlet, the filter element seat is provided with a filter element mounting opening, the mounting opening is internally provided with a water flow channel matched with the water inlet and the water outlet of the filter element, the outer side of the filter element seat is provided with the support, the support is provided with a left side surface and a right side surface, water inlet holes and water outlet holes are arranged on the left side surface and the right side surface so as to be matched with the water flow channel in the filter element seat, the filter element seat rotates on the left side surface and the right side surface of the support, the rotation track surface of the filter element seat is parallel to the left side surface and the right side surface of the support, the left side surface and the right side surface of the support are provided with guide parts, the filter element is characterized in that a guide sliding part is arranged on the outer side of the filter element, the guide part and the guide sliding part form a guide rail matched filter element guide structure, the water inlet and outlet holes of the support, the water flow channel of the filter element seat, the filter element and the water inlet and outlet are connected to form a water filtering flow channel of the water purifier, a water stopping piece is arranged in the water flow channel of the filter element seat, the water stopping piece is a sliding block, the filter element seat and the support adopt a shaft matched structure, the water filtering flow channel penetrates through the shaft matched structure of the filter element seat and the support, and a shaft plug matched with the filter element seat is arranged in a pore canal of the support;
the filter element is placed in the initial position of the mounting opening of the filter element seat, the filter element and the filter element seat simultaneously rotate downwards to enable the guide sliding part of the filter element to enter the guide part of the support, the filter element and the filter element seat continue to rotate until the filter element is in a vertical state, and in the rotating stroke of the filter element and the filter element seat, the filter element is inserted into the position with the filter element seat under the action of the guide part of the support and enables a water filtering flow passage of the water purifier to be opened.
2. A domestic water purifier as recited in claim 1, wherein: the water flow channel of the filter core seat comprises a water inlet channel and a water outlet channel, and a water stopping piece is arranged in the water inlet channel and/or the water outlet channel and is matched with the water inlet end and/or the water outlet end of the filter core to realize waterway opening.
3. A domestic water purifier as recited in claim 2, wherein: the water inlet channel and the water outlet channel of the filter core seat comprise a transverse channel and a vertical channel, a water stopping piece is arranged in the vertical channel, the water stopping piece is a sliding block, and the water inlet end or the water outlet end of the filter core is provided with a sliding block with a protruding pipe orifice structure to act to form an opened waterway.
4. A domestic water purifier as recited in claim 3, wherein: the vertical channel of the filter core seat is provided with a shrinkage cavity part, the sliding block is provided with a shrinkage cavity part corresponding to the shrinkage cavity part, the shrinkage cavity part is provided with an annular groove matched with a sealing ring to seal with the shrinkage cavity part, the lower part of the annular groove of the sliding block is provided with a water passage part, and when the sliding block is jacked up, a water passage channel of the water passage part is communicated with the filter core seat and the filter core to open a waterway.
5. A domestic water purifier as recited in claim 4, wherein: the upper surface of the sliding block ring groove is provided with a water retaining part, the water retaining part is hollow to be placed with a reset spring, and the reset spring is matched with the filter element seat top cover.
6. A domestic water purifier as recited in claim 3, wherein: the top of the sliding block is provided with a reset spring, the sliding block is provided with a water retaining part and a water passing part, and the water outlet of the water passing part is communicated with the water inlet or the water outlet of the filter element.
7. A domestic water purifier as recited in claim 1, wherein: the matching surface of the shaft plug and the filter core seat is of an inclined surface structure, and when the filter core seat rotates, the shaft plug is pushed to move outwards to block the water inlet or the water outlet of the support.
8. A domestic water purifier as recited in claim 7, wherein: the filter element seat is characterized in that a shaft end is formed on the filter element seat, a pore canal is arranged in the shaft end to form a water flow channel, a shaft head matched with the shaft end is arranged on the support, a reciprocating shaft plug is arranged in the pore canal of the shaft head, one end of the shaft plug can be plugged into a water gap of the support, and the other end of the shaft plug and the shaft end of the filter element seat form an inclined plane matched structure.
9. A domestic water purifier as recited in claim 7, wherein: the shaft plug is matched with the spring to reset the shaft plug, the sealing end of the shaft plug is provided with a conical sealing ring to seal the water inlet and the water outlet of the support, the shaft plug is provided with an action part, the shaft end of the filter element seat is provided with a pushing part matched with the action part of the shaft plug, the filter element seat rotates to push the shaft plug to axially slide, the side surface of the action part of the shaft plug is provided with a positioning surface, a limiting surface is arranged in a pore canal of a shaft head of the support and is used for being matched with the positioning surface to enable the shaft plug to axially move along the pore canal without circumferential rotation, the center of the shaft plug is provided with a pipe part for communicating a water flow channel of the filter element seat, and a pipe cavity of the pipe part extends to the sealing end and is connected with the water inlet or the water outlet of the support through a pipe wall.
10. A domestic water purifier according to any one of claims 1 to 9, wherein: the left side face and the right side face of the support are respectively provided with an arc-shaped groove, buckling points are arranged in the arc-shaped grooves, limiting pieces are arranged on two sides of the filter element seat, the limiting pieces of the filter element seat are matched in the arc-shaped grooves of the support, clamping points corresponding to the buckling points are arranged on the limiting pieces, the filter element seat rotates relative to the support under the guiding matching of the limiting pieces and the arc-shaped grooves, the buckling points and the filter element seat are matched to realize the switching of the filter element in a vertical position and an installation and extraction position.
11. A domestic water purifier according to claim 7 or 8, wherein: the shaft plug is matched with the spring to reset the shaft plug, the shaft plug is provided with a sealing end, the sealing end is provided with a conical sealing ring to plug the water inlet and the water outlet of the support, the upper sealing end of the shaft plug is provided with an axial positioning part, a positioning hole is arranged in a pore canal of the support shaft head and is used for being matched with the axial positioning part to enable the shaft plug to horizontally move along the pore canal without rotating, the shaft plug is provided with an inclined plane end, the inclined plane end of the shaft plug stretches into a step hole at the shaft end of the filter element seat and forms an inclined plane matching action surface, the inclined plane end is provided with a through hole for communicating a water flow channel of the filter element seat, and the through hole of the inclined plane end extends to the sealing end and is connected with the water inlet or the water outlet of the support.
12. A domestic water purifier according to any one of claims 1 to 6, wherein: the filter element seat is connected with the supports on the two sides by adopting a shaft matching structure, the filter element seat rotates around the shaft matching part, when the filter element seat and the filter element are in a vertical state and are installed in place, the water flow channel of the filter element seat is in butt joint with the water hole on the support in a rotating way to be communicated with the waterway, and when the filter element seat is in a non-vertical state, the water flow channel of the filter element seat is dislocated with the water hole on the support to be cut off the waterway.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122548.9A CN106673135B (en) | 2016-12-08 | 2016-12-08 | Household water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122548.9A CN106673135B (en) | 2016-12-08 | 2016-12-08 | Household water purifier |
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| CN106673135A CN106673135A (en) | 2017-05-17 |
| CN106673135B true CN106673135B (en) | 2023-05-02 |
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| CN201611122548.9A Active CN106673135B (en) | 2016-12-08 | 2016-12-08 | Household water purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107983005A (en) * | 2017-12-29 | 2018-05-04 | 天津亿泰基自动化技术有限公司 | A kind of external hanging type is used for the device for filtering refrigerator frozen water |
| CN108339315B (en) * | 2018-04-09 | 2023-08-04 | 东莞市倍益清环保科技有限公司 | Bath water purifier capable of switching water outlet modes |
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| CN106673135A (en) | 2017-05-17 |
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Effective date of registration: 20180425 Address after: 361000 unit 301, No. 26, Xiang Hong Road, Xiamen torch high tech Zone (Xiangan) Industrial Zone, Fujian Applicant after: XIAMEN WEIKE HEALTH INDUSTRY Co.,Ltd. Address before: 361000 705A room, block A, Jianye Building, Torch Industrial Park, Xiangan, Xiamen, Fujian Applicant before: SPEEDPURE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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