CN209292086U - Reverse osmosis water purifier - Google Patents
Reverse osmosis water purifier Download PDFInfo
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- CN209292086U CN209292086U CN201821259885.7U CN201821259885U CN209292086U CN 209292086 U CN209292086 U CN 209292086U CN 201821259885 U CN201821259885 U CN 201821259885U CN 209292086 U CN209292086 U CN 209292086U
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- water
- reverse osmosis
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- mounting head
- spool
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Abstract
The utility model discloses a kind of reverse osmosis water purifiers, front filter element component and reverse osmosis element kit including concatenation, reverse osmosis element kit includes shell and reverse osmosis filter core, mounting head on shell one end is equipped with raw water mouth, pure water mouth and concentrated water spout, further include: end seal, positioned at reverse osmosis filter core on the end of mounting head, and its both ends is kept apart；First runner in end seal and is connected to one of raw water mouth or concentrated water spout with reverse osmosis filter core close to the end of mounting head；First annular sealing portion, positioned at the outer wall of end seal, the inner wall of the first annular sealing portion and shell forms sealing cooperation, and the side of the first annular sealing portion is communicated with raw water mouth or the another of concentrated water spout, and the other side is communicated with reverse osmosis filter core far from the end of mounting head；Second flow channel is located in end seal and is connected to the first annular sealing portion two sides, and under water state not processed, second flow channel closes to form self-locking runner, after preventing element kit and filter cartridge seat from splitting, in the outflow of residual water.
Description
Technical field
The utility model relates to a kind of reverse osmosis water purifiers, belong to water-treatment technology field.
Background technique
With the raising that people require drinking water quality, pure water system is just progressing into the drinking-water system of every household
In.Existing reverse osmosis water purifier generally has multistage filtering, and core filter element therein is then reverse osmosis filter core, which can
To be filtered to impurity such as organic matter, colloid, bacterium, viruses in raw water, especially to impurity such as inorganic salts, heavy metal ion
There is high filter efficiency.The filter effect of water purifier is directly related with the filter effect of reverse osmosis filter core, also, reverse osmosis
The filter effect of filter core is gradually decayed with its passage using the time, thus, there are service life to ask for reverse osmosis filter core
Topic.
Element kit mounting means currently on the market is varied, there are commonly the upper plug type installed from bottom to top, certainly
Water purifier, for a user, is such as mounted in small space, for example, cupboard by inverted plug type and pressure-bearing type of upper and lower installation etc.
The element kit of cabinet, inverted plug type and pressure-bearing type compared to upper plug type in dismounting without downward extension space, and force direction
More smoothly, it is convenient for user's replacement operation, thus favors by user.However, in use due to water purifier, filter core group
Water can be full of in part, especially under the trend of the current reverse osmosis big flux of filter core, internal capacity is larger, corresponding quantity of residual
Also big.The element kit of inverted plug type and pressure-bearing type is after mounting head is separated with filter cartridge seat, and the residual water in element kit is by gravity
Effect can flow out, and pollution cabinet, machine even splash with user.And even for the element kit of upper plug type, it is replacing
In the process, the element kit changed such as place it is improper be also easy to topple so that internal residual water outflow, causes bad user
Experience.
Utility model content
The technical issues of for above description, the utility model provides a kind of reverse osmosis water purifier, before concatenation
Element kit and reverse osmosis element kit are set, the reverse osmosis element kit includes shell and the reverse osmosis diafiltration in shell
Core, one end of the shell form the mounting head with filter cartridge seat assembly, and the mounting head is equipped with raw water mouth, pure water mouth and concentrated water
Mouthful, the reverse osmosis filter core includes central tube and the reverse osmosis membrane that is wrapped on central tube characterized by comprising end seal, position
In reverse osmosis filter core on the end of mounting head, and the both ends of reverse osmosis filter core are kept apart；First runner is located in end seal
And one of raw water mouth or concentrated water spout are connected to reverse osmosis filter core close to the end of mounting head；First annular sealing portion is located at end
The inner wall of the outer wall of envelope, first annular sealing portion and shell forms sealing cooperation, the side of first annular sealing portion
It is communicated with raw water mouth or the another of concentrated water spout, the other side is communicated with reverse osmosis filter core far from the end of mounting head；Second flow channel,
In end seal and the first annular sealing portion two sides are connected to, under water state not processed, the second flow channel closes to form self-locking stream
Road；Third flow channel is located at end seal center, to be connected to pure water mouth and central tube.
Further, the second flow channel includes axially extending section and radially extends section, and the first of described axially extending section
End is located on the end wall within the first annular sealing portion, and axially extending section of the second end is connected with section is radially extended, described
The first end for radially extending section is located on the side wall of end seal, and the second end for radially extending section is connected with axially extending section.
Further, in described axially extending section setting opening and closing second flow channel threshold switch, have in described axially extending section
There is axially extending mounting wall, side wall and the mounting wall sealing of the threshold switch cooperate；Alternatively, described radially extend setting in section
Open and close the threshold switch of second flow channel, described radially extend has axially extending mounting wall in section, the side wall of the threshold switch with
Mounting wall sealing cooperation；Alternatively, threshold switch is arranged in the second flow channel, the threshold switch includes spool and spring, the axis
It include mounting wall to extended segment, the mounting wall is equipped with installation protrusion and spool butting section, one end of the spring and installation
Protrusion is against the other end and spool assemble, and the spool is under the action of raw water pressure and restoring force in spool butting section and peace
It moves back and forth between dress protrusion to be opened and closed second flow channel；Alternatively, threshold switch is arranged in the second flow channel, the threshold switch includes
Spool and spring, the section that radially extends includes mounting wall, and the mounting wall is equipped with installation protrusion and spool butting section, described
One end of spring and installation protrusion are against the other end and spool assemble, and the spool is under the action of raw water pressure and restoring force
It moves back and forth between spool butting section and installation protrusion to be opened and closed second flow channel.
Further, the side wall of the end seal from far from mounting head one end to close to mounting head one end include the first side wall and
Second sidewall, for the second sidewall with respect to the first side wall to contract, the first side wall is coated on the end of reverse osmosis filter core
Outside and sealing is formed, the first end for radially extending section and the first annular sealing portion are respectively positioned in second sidewall.
Further, between the inside of the end wall between the first side wall and second sidewall and the end of reverse osmosis filter core
There is water space.
Further, the second flow channel connection end of raw water mouth and reverse osmosis filter core far from mounting head, described first
Runner is connected to end and concentrated water spout of the reverse osmosis filter core close to mounting head, and check valve is equipped in the second flow channel, described unidirectional
Valve unidirectionally passes through for raw water；Alternatively, the first runner connection raw water mouth and reverse osmosis filter core are close to the end of mounting head, it is described
Second flow channel is connected to end and concentrated water spout of the reverse osmosis filter core far from mounting head, and pressure valve is equipped in the second flow channel, described
Pressure valve unlatching when concentrated water reaches certain pressure.
Further, the end seal includes the second annular sealing portion, and it is cyclic annular close that second annular sealing portion is located at first
Envelope portion forms sealing cooperation, the side of second annular sealing portion and raw water mouth close to mounting head side and with the inner wall of shell
Or one of concentrated water spout communicates, the other side is communicated with reverse osmosis filter core close to the end of mounting head, second annular sealing portion
Within end wall be equipped with water passage, a part that the water passage constitutes first runner is simultaneously connected to the second annular sealing portion
Two sides, under water state not processed, the first runner closes to form self-locking runner.
Further, the mounting head is equipped with through-hole, and the pure water communicated with third flow channel is equipped in the through-hole and is extended
Pipe, the outer end of the pure water extension form pure water mouth, have the first water check valve, first sealing in the pure water extension
Valve includes the first spool and the first spring, after the mounting head and filter cartridge seat are assembled, promotion of first spool by filter cartridge seat
And the first water check valve is opened, and after the mounting head and filter cartridge seat fractionation, effect of first spool by the first recoil of spring power
And close the first water check valve.
Further, the through-hole and pure water, which extend, is nested with the second water check valve, second water check valve between pipe outer wall
Including the second spool being sheathed on outside pure water extension and second spring, after the mounting head and filter cartridge seat assembly, described second
Spool by filter cartridge seat promotion and open the second water check valve, after the mounting head and filter cartridge seat are split, second spool is by the
The effect of two recoil of spring power and close the second water check valve.
Further, the outer end of the pure water extension is equipped with the first sealing ring and stretches out outside the second spool, and described the
The outer wall of two spools is equipped with the second sealing ring, and the inner wall sealing of second sealing ring and through-hole cooperates, second spool
There is excessively water space of connection one of the raw water mouth or waste water mouth with first runner, institute between inner wall and the outer wall of pure water extension
After stating mounting head and filter cartridge seat assembly, first sealing ring and filter cartridge seat sealing cooperate, and the mounting head and filter cartridge seat are split
Afterwards, the inner wall of second spool and the sealing of the first sealing ring cooperate, to close one of raw water mouth or waste water mouth.
In the utility model, under water state not processed, corresponding runner forms self-locking runner, prevents element kit and filter cartridge seat
After fractionation, the residual water in element kit in corresponding runner flows out, and pollution cabinet, machine even splash with user.In addition,
In the case that third flow channel is self-locking, when the mode of especially hydraulic drives opens and closes threshold switch, after stopping using a period of time again
After secondary enabling water purifier, since the water for the pure water being closed is less, with the water in water route after reverse osmosis filter core and newly production
It after raw pure water mixing, is diluted and TDS is greatly reduced, so that user fetches water, the problem of initial stage TDS high is addressed.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the cross-sectional view of one element kit of the utility model embodiment；
Fig. 2 is the enlarged drawing in the utility model embodiment one near element kit mounting head；
Fig. 3 is element kit mounting head and the state diagram after filter cartridge seat assembly in the utility model embodiment one；
Fig. 4 is element kit mounting head and the state diagram after filter cartridge seat fractionation in the utility model embodiment one；
Fig. 5 is the enlarged drawing in the utility model embodiment one near second flow channel；
Fig. 6 is the schematic diagram of threshold switch in the utility model embodiment one；
Fig. 7 is the schematic diagram 1 of end seal in the utility model embodiment one；
Fig. 8 is the schematic diagram 2 of end seal in the utility model embodiment one；
Fig. 9 is the schematic diagram of threshold switch another embodiment in the utility model embodiment one；
Figure 10 is the enlarged drawing in the utility model embodiment two near element kit mounting head；
Figure 11 is the schematic diagram 1 of end seal in the utility model embodiment two；
Figure 12 is the schematic diagram 2 of end seal in the utility model embodiment two.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
A kind of reverse osmosis water purifier, front filter element component and reverse osmosis element kit including concatenation, front filter element component
The colloidal impurity that diameter in tap water is greater than 5 microns, such as micro- mud, iron rust, worm's ovum, organic contamination minerals sundries are filtered out,
In addition, front filter element component can also remove the chlorine residue in tap water, chlorine residue is avoided to destroy the separating layer of reverse osmosis cartridge surface.When
So, in order to promote the mouthfeel that reverse osmosis water purifier is discharged, postposition element kit can also be concatenated in reverse osmosis element kit rear end,
Mainly use absorbent charcoal material.Wherein, reverse osmosis element kit is as Figure 1-Figure 8, including shell 1 and in shell 1
Reverse osmosis filter core 2, wherein reverse osmosis filter core 2 includes central tube 21 and the reverse osmosis membrane 22 being wrapped on central tube 21, reverse osmosis
The pure water water guide layer that raw water water guide layer is formed in film 22 and is communicated with central tube 21, during water processed, raw water is from raw water water guide
The influent side of layer enters raw water water guide layer, and along flow passage therein, in flow process, due to the work of forefront pressure
With gradually passing through reverse osmosis membrane 22 and form pure water in pure water water guide layer, pure water is along pure water water guide laminar flow and is collected
In in central tube 21, on the other hand, the water flowed out from the water outlet side of raw water water guide layer then forms concentrated water.
One end of shell 1 forms mounting head 10, and mounting head 10 is equipped with raw water mouth 11, pure water mouth 12 and concentrated water spout 13, only
Water dispenser main body is equipped with filter cartridge seat, and mounting head 10 is inserted into filter cartridge seat and is connected to the corresponding water route in water purifier main body.Reverse osmosis
Diafiltration core 2 is equipped with end seal 3 close to the end of mounting head 10, and one end of reverse osmosis filter core 2 is influent side, and the other end is water outlet
Side, end seal 3 keep apart the both ends of reverse osmosis filter core 2, avoid raw water and pure water that string water occurs.Wherein, end seal 3 is equipped with first-class
Road 31, second flow channel 32 and third flow channel 33, first runner 31 are connected to concentrated water spout 13 and reverse osmosis filter core 2 close to mounting head 10
End, second flow channel 32 are connected to the end of raw water mouth 11 and reverse osmosis filter core 2 far from mounting head 10, and third flow channel 33 is connected to pure water
Mouth 12 and central tube 21.
It will be understood by those skilled in the art that the raw water mouth 11 and concentrated water spout 13 in above-described embodiment can be exchanged, i.e., it is former
The reverse flow of water and concentrated water, correspondingly, first runner connection raw water mouth and reverse osmosis filter core be close to the end of mounting head, second
Runner is connected to the end of concentrated water spout and reverse osmosis filter core far from mounting head, and third flow channel is connected to pure water mouth and central tube.Raw water into
Enter and reverse osmosis filter core is flow to close to the end of mounting head by first runner after element kit, hence into raw water water guide layer,
Reverse osmosis filter core forms concentrated water far from the end of mounting head, and concentrated water flows out element kit after passing through second flow channel, pure water part
It flows to constant.
In the present embodiment, the outer wall of end seal 3 has the first annular sealing portion 341, the first annular sealing portion 341 and shell 1
Inner wall formed sealing cooperation.Wherein, the side of the first annular sealing portion 341 is communicated with raw water mouth 11, the other side with it is reverse osmosis
Filter core 2 is communicated far from the end of mounting head 10, and second flow channel 32 is connected to 341 two sides of the first annular sealing portion, in water state not processed
Under, the closing of second flow channel 32 forms self-locking runner.The corresponding water route of second flow channel 32 further includes the outer wall and shell of reverse osmosis filter core 2
The volume in the gap between 1 inner wall, the gap is larger, and corresponding quantity of residual is also more, thus, second flow channel 32 needs reliable
It is self-locking, it avoids largely remaining water outflow.
Preferably, second flow channel 32 includes axially extending section 321 and radially extends section 322, and the first of axially extending section 321
End 3211 is located on the end wall within the first annular sealing portion 341, axially extending section 321 of second end and radially extends section 322
It is connected, the first end 3221 for radially extending section 322 is located on the side wall of end seal 3, and the second end for radially extending section 322 is prolonged with axial
Section 321 is stretched to be connected.In general, in mounting head 10 often using cricoid ring structure and filter cartridge seat cooperatively form it is compact can
The sealing leaned on, and the intake-outlet in mounting head 10 is located in sealing ring.The radial dimension of cricoid ring structure is often small
In the radial dimension of shell 1 and reverse osmosis 2 corresponding part of filter core, on the one hand, the contraction of 10 position of mounting head inserts convenient for user,
On the other hand, smaller radial is conducive to improve sealing reliability to the sealing ring of size.That is, water flow passes through after intake-outlet
The process for needing a Radial Flow, just can enter the gap between the outer wall of reverse osmosis filter core 2 and the inner wall of shell 1, radial
Extended segment 322 is bootable water flow path to flowing.It is parallel in reverse osmosis filter core it should be noted that axial direction herein refers to
The direction of axis radially refers to the direction perpendicular to reverse osmosis filter core central axes.Certainly, second flow channel can also be prolonged using other
Stretched form, for example, being obliquely extended.
In the present embodiment, it is self-locking to realize that threshold switch 41 is set in second flow channel 32, wherein threshold switch 41 includes spool
411 and spring 412, under water state processed, spool 411 by water flow pressure effect and open threshold switch 41, in water state not processed
Under, spool 411 by recoil of spring power effect and close threshold switch 41.Specifically, second flow channel 32, including mounting wall 323, valve
Switch 41 is discrete item, and outer wall and mounting wall 323 sealing of threshold switch 41 cooperate, also, threshold switch 41 is check valve.Generally
, sealing between the side wall and mounting wall 323 of check valve 41 cooperation can be used sealing ring and squeeze sealing, and by clamping or
The modes such as welding are fixed.During water processed, raw water pressure is acted on the spool 411 of check valve 41, and pushes spool 411
Mobile, the sealing surface on spool 411 is separated with 413 phase of spool butting section, and then open check valve 41 passes through for raw water；Not
Under water state processed, including by after mounting head 10 and filter cartridge seat fractionation, the raw water pressure of check valve influent side is small or does not have pressure,
In spring 412 and spool 411 under the collective effect of side hydraulic pressure, the sealing surface of spool 411 and spool butting section 413 compress against
Sealing is formed, and then prevents the residual water within second flow channel 32 from flowing out.Wherein, check valve 41 is set to axially extending section 321
It is interior, it will be understood that check valve, which also can be set, to be radially extended in section, is matched correspondingly, radially extending and being equipped with sealing therewith in section
The mounting wall of conjunction.
As another set-up mode of threshold switch, as shown in figure 9, second flow channel 32a includes mounting wall 323a, mounting wall
323a is equipped with one end of installation protrusion 324a and spool butting section 325a, spring 412a and installs protrusion 324a against another
End is assembled with spool 411a, and spool 411a is under the action of raw water pressure and restoring force in spool butting section 325a and installation protrusion
It moves back and forth between 324a to be opened and closed self-locking runner.Certainly, this to can be set with the integrally formed threshold switch of end seal in axial direction
In extended segment, also it can be set in radially extending in section.
In the scheme of raw water and concentrated water reverse flow in opposite the present embodiment, first runner is connected to raw water mouth and reverse osmosis
Diafiltration core is connected to the end of concentrated water spout and reverse osmosis filter core far from mounting head, third stream close to the end of mounting head, second flow channel
Road is connected to pure water mouth and central tube.Correspondingly, settable pressure valve in second flow channel, pressure valve is when concentrated water reaches certain pressure
Open, during water processed, the pressure at reverse osmosis filter core concentrated water end is larger, can cracking pressure valve, on the other hand, pressure valve sets
It sets so that the pressure of reverse osmosis membrane raw water side is promoted, increases the pressure difference of film two sides, improve producing water ratio, in water not processed
Under state, the pressure of concentrated water be down to pressure valve open threshold value hereinafter, second flow channel formed it is self-locking.It is split in mounting head and filter cartridge seat
When, the concentrated water in second flow channel can also be remained water and be locked in element kit.
The side wall of end seal 3 includes certainly the first side wall 351 and second far from 10 one end of mounting head to close 10 one end of mounting head
Side wall 352, second sidewall 352 is with respect to the first side wall 351 to contract.The first side wall 351 is coated on the end of reverse osmosis filter core 2
Outside and sealing is formed, in general, sealing can be set between the inside of the first side wall 351 and the outer wall of reverse osmosis filter core 2,
It can be coated on by adhesive tape on the outside of the first side wall 351 and the outer wall of reverse osmosis filter core 2.Radially extend the first of section 322
End 3221 and the first annular sealing portion 341 are respectively positioned in second sidewall 352, and the radial dimension of the first annular sealing portion 341 is opposite
Contraction helps to improve sealing reliability.In the present embodiment, second sidewall 352 is equipped with seal groove, setting sealing in seal groove
Circle, after assembly in place, the inner wall of sealing ring and shell 1, which squeezes, to be sealed, and above-mentioned seal groove and sealing ring constitute the first annular seal
Portion 341.It should be noted that the first annular sealing portion can be annular in shape, it is also possible to rectangle, triangle or other closings
Shape.Certainly, the structures such as seal groove, sealing ring can also be embedded on the inner wall of shell, then, the first annular sealing portion is to hold
Seal up mating surface with matching.In addition, the first annular sealing portion can also be located on the end wall within second sidewall, in axis
Axial seal is formed after to assembly, meanwhile, axially extending section of first end is located within the first annular sealing portion.
In the embodiment of above-mentioned end seal, the first side wall and second sidewall that end seal has radial dimension different are integrally in
It is step-like.As the other embodiment of end seal, for example, being not provided with the structure of above-mentioned two layers of side wall, the side wall of corresponding end seal is in
Cylinder planar, and the side wall is coated on outside the end of reverse osmosis filter core far from the inner wall of mounting head one end and is formed sealing, the side
The first annular sealing portion that sealing cooperation is formed with the inner wall of shell is arranged in wall on the outer wall of mounting head one end；Alternatively, end
Sealing has from far from mounting head one end, to the side wall gradually tapered up close to mounting head one end, briefly, i.e., the side wall is inclined
Shape, whole tapered, which is arranged the first annular sealing portion close to mounting head one end, when end seal and shell are assembled, is convenient for
End seal is from separate mounting head one end to mounting head one end plugging in fitting.
There is the transition end wall 353 that radially extends between the first side wall 351 and second sidewall 352, transition end wall 353 it is interior
Side is equipped with the fuisw rib 354 that radially extends, water flow is radially collapsed to center or water flow radially diffuse to it is entire reverse osmosis
Filter core 2 has guiding function close to the end of mounting head 10, in addition, fuisw rib 354 and reverse osmosis filter core 2 are close to mounting head 10
End can also form water space between setting, adjacent guide muscle 354, convenient for end seal 3 installation positioning.In addition, mistake
Crossing has gap between end wall 353 and the inner wall of shell 1, for the raw water flowed out from the first end 3221 for radially extending section 322
Pass through.
In the present embodiment, inside is equipped with sealing side wall 36 at the center of end seal 3, and sealing side wall 36 is axially extended, sealed
The end part seal of side wall 36 and central tube 21 cooperates, and the end part seal of sealing side wall 36 and central tube 21 cooperates and makes third flow channel
33 connection pure water mouths 12 and central tube 21.The end of central tube 21 stretches out the end of reverse osmosis filter core and is inserted into sealing side wall 36
Interior and form sealing, alternatively, the end of central tube can also be flushed with the end of reverse osmosis filter core, sealing side wall is inserted into central tube
Interior and inner wall with central tube forms sealing.Wherein, third flow channel 33 is located at the center of end seal 3, under water state not processed, the
The closing of three runners 33 forms self-locking runner, wherein threshold switch 43 is arranged in third flow channel 33, the is opened and closed by threshold switch 43
Three runners 33.Mounting head 10 is equipped with through-hole, and the pure water extension 37 communicated with third flow channel 33 is equipped in through-hole, and pure water extends
The outer end of pipe 37 forms pure water mouth 12, has the first water check valve in pure water extension 37, first water check valve, that is, threshold switch 43, the
One water check valve 43 includes the first spool and the first spring.After mounting head 10 and filter cartridge seat assembly, the first spool is pushed away by filter cartridge seat
It moves and opens the first water check valve, specifically, as shown in figure 4, the first spool is equipped with bulge-structure, in mounting head 10 and filter cartridge seat
After assembly, above-mentioned bulge-structure and filter cartridge seat under the promotion of filter cartridge seat against and opening the first water check valve；Mounting head 10 and filter
Core print seat split after, the first spool by the first recoil of spring power effect and close the first water check valve 43, avoid element kit from dismantling
Residual water leakage in it afterwards.It is of course also possible to mandril is set in filter cartridge seat, and in mounting head and filter cartridge seat assembling process, top
Bar pushes the first spool to moving inside element kit, and then opens the first water check valve.
You need to add is that as another embodiment, which can also be opened and closed by the way of hydraulic drives.
For expansion, existing reverse osmosis water purifier enables again after stopping using a period of time, for example, user's use overnight, has
Water outlet initial stage water flow in the higher phenomenon of TDS, user in use, often the TDS higher of former glasss of water and need to fall
Fall, cause to waste, also the usage experience bad to user.It is this under water state not processed can with the structure of self-locking third flow channel,
So that the water of the pure water side of reverse osmosis membrane is less, it is pure due to what is be closed even if the TDS in the water of reverse osmosis membrane two sides is convergent
The water of water is less, with the water in water route after reverse osmosis filter core and after newly generated pure water mixes, is diluted and TDS is big
Width reduces, so that user fetches water, the problem of initial stage TDS high is addressed.
In the present embodiment, end seal 3 includes the second annular sealing portion 342, and it is cyclic annular close that the second annular sealing portion 342 is located at first
Envelope portion 341 forms sealing cooperation close to 10 side of mounting head and with the inner wall of shell 1, wherein the second annular sealing portion 342
Structure and sealing means can refer to the first annular sealing portion 341, and details are not described herein again.The side of second annular sealing portion 342 with
Concentrated water spout 12 communicates, and the other side is communicated with reverse osmosis filter core 2 close to the end of mounting head 10.Within second annular sealing portion 342
End wall be equipped with water passage 311, water passage 311 constitute first runner 31 a part simultaneously be connected to the second annular sealing portion
342 two sides.Wherein, the space that above-mentioned sealing side wall 36 and second sidewall 352 surround is a part of water passage 311.Not
Under water state processed, the closing of first runner 31 forms self-locking runner.It is appreciated that the raw water and concentrated water in opposite the present embodiment are anti-
Into the scheme of flowing, the side of the second annular sealing portion 342 is communicated with concentrated water spout 12, and the other side and reverse osmosis filter core 2 are close
The end of mounting head 10 communicates.
In addition, forming water space 14 between pure water extension 37 and the inner wall of through-hole, water space 14 is constituted first-class excessively
The a part in road 31.Wherein, the main part split settings of pure water extension 37 and end seal 3, correspondingly, pure water extension 37
Inner end be equipped with external screw thread, place, the main center of end seal 3 equipped with matched internal screw thread, matched by screw thread by pure water extension 37
Conjunction is fixed in the main body of end seal 3, and this embodiment is convenient for being manufactured, and certainly, pure water extension can also be with end seal
Main body is integrally formed.Through-hole periphery is equipped with water-carrying groove 101, and water-carrying groove 101 is communicated with second flow channel 32.
You need to add is that the side wall of the end seal 3 in the present embodiment further includes being located at second sidewall 352 close to mounting head 10
The third side wall 355 of side, the second annular sealing portion 342 are set on third side wall 355.Preferably, 352 He of second sidewall
The section of third side wall 355 is rounded, and the center of circle of the two is not overlapped, and water passage 311 is located at the center of circle of third side wall 355
The other side in the center of circle of second opposing lateral wall 352, on the one hand, be conducive to the reasonable distribution of water route installation space in end seal 3, it is another
The center of circle of aspect, second sidewall 352 and third side wall 355 is not overlapped, and can form the week of the two after end seal 3 and the assembly of mounting head 10
To positioning, reverse osmosis filter core 2 is avoided to rotate in shell 1.
It under this structure, is melted in assembling process in the rotation of shell, such as revolves molten position and be located near mounting head, then pacify
Dress head will drive reverse osmosis filter core in rotary course and rotate together, the reliable fit being unfavorable at each sealing, the present embodiment
In the bottom wall of shell 1 be split type bottom cover 5, bottom cover 5 revolve it is molten by way of fix with the main part of shell 1.It is more excellent
, the slot 51 of the end insertion for central tube 21 is equipped at the center of bottom cover 5, so that 2 both ends of reverse osmosis filter core are determined
Position.In addition, the rib radially extended can also be set on the inner wall of bottom cover 5, the side of rib and the end of reverse osmosis membrane 22
Guiding function is played to the water flow of the end of disengaging reverse osmosis membrane 22 against the positioning with formation to reverse osmosis filter core 2, while also.
In addition to this, positioning ring 6 can be also set between reverse osmosis filter core 2 and shell 1, avoid reverse osmosis 2 skew of filter core.
Wherein, the water lock of first runner 31 is realized by threshold switch 42, specifically, through-hole and 37 outer wall of pure water extension it
Between be nested with the second water check valve, which is threshold switch 42, and the second water check valve 42 includes being sheathed on pure water extension
After the second outer spool 421 and second spring 422, mounting head 10 and filter cartridge seat assembly, promotion of second spool 421 by filter cartridge seat
And open threshold switch 42, after mounting head 10 and filter cartridge seat are split, the second spool 421 by 422 screen resilience of second spring effect and
Close threshold switch 42.The outside of second spool 421 is sealed sides, and inside is opening and closing side, the inner wall of sealed sides and opposite through-hole
Sealing cooperation, opening and closing side and 37 outer wall of pure water extension cooperate to open and close first runner 31.It is of course also possible to be the inner wall of spool
To open and close side, the outer wall of spool is sealed sides.
In the present embodiment, the outer end of pure water extension 37 is multiplexing sealed end 15, and the outer end of pure water extension 37 is equipped with
First sealing ring simultaneously stretches out outside the second spool, and the outer wall of the second spool 421 is equipped with the second sealing ring, the second sealing ring and through-hole
Inner wall sealing cooperation, the inner wall of the second spool 421 and the outer wall of pure water extension 37 have connection raw water mouth 11 and first runner
31 cross water space, after mounting head 10 and filter cartridge seat assembly, annular seal wall in filter cartridge seat and the second spool 421 against and push away
Dynamic second spool 421 moves down, and then cooperates with the multiplexing sealing of sealed end 15, i.e. the first sealing ring is matched with filter cartridge seat sealing
It closes, as shown in Figure 3；After mounting head 10 and filter cartridge seat are split, the second spool 421 is by 422 rebound effect of second spring to outward transport
It moves and cooperates the inner wall of the second spool 421 and the multiplexing sealing of sealed end 15, and then make the formation water lock of first runner 31, i.e., second
The inner wall of spool 421 and the sealing of the first sealing ring cooperate, to close raw water mouth 11, as shown in Figure 4.Further, pure water extends
There is pipe 37 outer diameter for cooperating section for the cooperation section that the second spool 421 is nested and moves back and forth thereon to be less than multiplexing sealed end
The opening and closing side of 15 outer diameter, the second spool 421 is equipped with stage portion 423, and the inner end for being multiplexed sealed end 15 and stage portion 423 are against only
Position.
As the embodiments of the present invention two, as shown in Figure 10-Figure 12, unlike above-described embodiment one, this reality
Apply the threshold switch 42b for being equipped in the first runner in example and opening and closing first runner by water flow pressure, wherein threshold switch 42b setting
In in water passage 311b.Specifically, there is mounting wall 312b in the space that sealing side wall 36b and second sidewall 352b is surrounded,
Threshold switch 42b is discrete item, and outer wall and mounting wall the 312b sealing of threshold switch 42b cooperates, and certainly, threshold switch can also be with end seal
It is integrally formed, the threshold switch mounting means in above-described embodiment in second flow channel can be used for reference, it is not reinflated herein.Above-mentioned embodiment party
Mounting wall 312b in formula is that the end wall inside between second sidewall 352b and third side wall 355b extends out, as it
Its embodiment, threshold switch also can be set on the end wall within third side wall, i.e., are arranged on the end wall within third side wall
Mounting wall, threshold switch and mounting wall installation cooperate.
In the present embodiment, threshold switch 41b is set in second flow channel, second flow channel is made to form self-locking stream under water state not processed
Road.In addition, pure water extension 37b and the main part of end seal 3b are structure as a whole, and it may also set up valve in third flow channel and open
Close 43b.
During water processed, raw water enters from raw water mouth 11b and acts on threshold switch 41b, and threshold switch 41b is unidirectional
Valve, check valve 41b open second flow channel, raw water is along between reverse osmosis filter core and shell under the action of raw water pressure
Gap enters end of the reverse osmosis filter core far from mounting head, and in raw water water guide intrastratal flow, gradually in the pure water of reverse osmosis filter core
Pure water is formed in water guide layer, is then pooled in central tube 21b, and pure water mouth is flowed out by threshold switch 43b along third flow channel
12b.Wherein, threshold switch 43b can be pressure valve, i.e., when the hydraulic pressure in third flow channel reaches cracking pressure, the pressure valve
43b is opened, in addition, threshold switch 43b is also possible to be in normally opened under the pushing of filter cartridge seat with after filter cartridge seat assembly in mounting head
The mechanism of state.On the other hand, threshold switch 42b, valve are acted on close to the concentrated water that the end of mounting head is formed in reverse osmosis filter core
Switch 42b opens first runner, wherein threshold switch 42b is pressure valve, and concentrated water is finally flowed out from concentrated water spout 13b.It is watery not making
Under state or mounting head and filter cartridge seat disassembled form, raw water by check valve 41b effect and cannot by first runner, concentrated water by
The effect of pressure valve 42b and cannot be by second flow channel, under mounting head and filter cartridge seat disassembled form, threshold switch 43b is closed, pure
Water cannot pass through third flow channel.
It is appreciated that raw water mouth and concentrated water spout can be exchanged, i.e. the reverse flow of raw water and concentrated water, correspondingly, first-class
Road is connected to raw water mouth and reverse osmosis filter core close to the end of mounting head, and second flow channel is connected to concentrated water spout and reverse osmosis filter core far from peace
The end of head is filled, third flow channel is connected to pure water mouth and central tube.Raw water, which enters after element kit, flow to reverse osmosis by first runner
Diafiltration core is close to the end of mounting head, hence into raw water water guide layer, is formed in reverse osmosis filter core far from the end of mounting head dense
Water, concentrated water flow out element kit after passing through second flow channel, and flowing to for pure water part is constant.Under this embodiment, first runner
Check valve inside can be set, pressure valve is arranged in second flow channel domestic demand, i.e. raw water can unidirectionally pass through first runner, reversely then be locked
Extremely, concentrated water need to have in the case where certain pressure openable pressure valve and by second flow channel, in the case of no pressure, second flow channel quilt
It is locked.
Other structures in the present embodiment, for example, end seal, threshold switch, shell, reverse osmosis filter core, central tube and its corresponding
Cooperation, the relationship that is interconnected etc. can use for reference above-described embodiment, and details are not described herein again.
Certainly, those skilled in the art be appreciated that the above content be only the preferred embodiment of the utility model and
, be not used to limit the scope of the utility model, i.e., it is all according to equivalent changes and modifications made by the utility model, be all
The utility model claims range is covered, and is no longer illustrated one by one here.
Claims (10)
1. a kind of reverse osmosis water purifier, front filter element component and reverse osmosis element kit including concatenation, the reverse osmosis filter core
Component includes shell and the reverse osmosis filter core in shell, and one end of the shell forms the mounting head with filter cartridge seat assembly,
The mounting head is equipped with raw water mouth, pure water mouth and concentrated water spout, and the reverse osmosis filter core includes central tube and is wrapped in central tube
On reverse osmosis membrane characterized by comprising
End seal positioned at reverse osmosis filter core on the end of mounting head, and the both ends of reverse osmosis filter core is kept apart；
First runner in end seal and is connected to one of raw water mouth or concentrated water spout with reverse osmosis filter core close to the end of mounting head
Portion；
First annular sealing portion, positioned at the outer wall of end seal, the inner wall of first annular sealing portion and shell forms sealing cooperation,
The side of first annular sealing portion is communicated with raw water mouth or the another of concentrated water spout, and the other side and reverse osmosis filter core are far from peace
The end of dress head communicates；
Second flow channel is located in end seal and is connected to the first annular sealing portion two sides, and under water state not processed, the second flow channel is closed
It closes to form self-locking runner；
Third flow channel is located at end seal center, to be connected to pure water mouth and central tube.
2. reverse osmosis water purifier according to claim 1, which is characterized in that the second flow channel include axially extending section and
Section is radially extended, axially extending section of the first end is located on the end wall within the first annular sealing portion, described axially extending
The second end of section is connected with section is radially extended, and the first end for radially extending section is located on the side wall of end seal, and the radial direction is prolonged
The second end for stretching section is connected with axially extending section.
3. reverse osmosis water purifier according to claim 2, which is characterized in that setting opening and closing second in described axially extending section
The threshold switch of runner, has axially extending mounting wall in described axially extending section, and the side wall and mounting wall of the threshold switch are close
Envelope cooperation；
Alternatively, the threshold switch for radially extending setting opening and closing second flow channel in section, described radially extend in section have axial prolong
Side wall and the mounting wall sealing of the mounting wall stretched, the threshold switch cooperate；
Alternatively, threshold switch is arranged in the second flow channel, the threshold switch includes spool and spring, and described axially extending section includes
Mounting wall, the mounting wall are equipped with installation protrusion and spool butting section, and one end of the spring and installation protrusion are against another
End is assembled with spool, and the spool is reciprocal between spool butting section and installation protrusion under the action of raw water pressure and restoring force
Movement is to be opened and closed second flow channel；
Alternatively, threshold switch is arranged in the second flow channel, the threshold switch includes spool and spring, and the section that radially extends includes
Mounting wall, the mounting wall are equipped with installation protrusion and spool butting section, and one end of the spring and installation protrusion are against another
End is assembled with spool, and the spool is reciprocal between spool butting section and installation protrusion under the action of raw water pressure and restoring force
Movement is to be opened and closed second flow channel.
4. reverse osmosis water purifier according to claim 2, which is characterized in that the side wall of the end seal is from far from mounting head one
End is to including the first side wall and second sidewall close to mounting head one end, and the second sidewall is with respect to the first side wall to contract, institute
It states the first side wall and is coated on outside the end of reverse osmosis filter core and is formed sealing, the first end for radially extending section and the first ring-type
Sealing is respectively positioned in second sidewall.
5. reverse osmosis water purifier according to claim 4, which is characterized in that between the first side wall and second sidewall
There is water space between the inside of end wall and the end of reverse osmosis filter core.
6. reverse osmosis water purifier according to claim 1, which is characterized in that the second flow channel connection raw water mouth and reverse osmosis
End of the diafiltration core far from mounting head, the first runner are connected to end and concentrated water spout of the reverse osmosis filter core close to mounting head, institute
It states and is equipped with check valve in second flow channel, the check valve unidirectionally passes through for raw water；
Alternatively, the first runner connection raw water mouth and reverse osmosis filter core are close to the end of mounting head, the second flow channel connection
End and concentrated water spout of the reverse osmosis filter core far from mounting head, the second flow channel is interior to be equipped with pressure valve, and the pressure valve is in concentrated water
Unlatching when reaching certain pressure.
7. reverse osmosis water purifier according to claim 1, which is characterized in that the end seal includes the second annular sealing portion,
Second annular sealing portion is located at the first annular sealing portion close to mounting head side and forms sealing cooperation with the inner wall of shell,
One of the side of second annular sealing portion and raw water mouth or concentrated water spout communicate, and the other side and reverse osmosis filter core are close to installation
The end of head communicates, and the end wall within second annular sealing portion is equipped with water passage, and the water passage constitutes first
A part of runner is simultaneously connected to the second annular sealing portion two sides, under water state not processed, the first runner close to be formed it is self-locking
Runner.
8. reverse osmosis water purifier according to claim 1, which is characterized in that the mounting head is equipped with through-hole, described logical
The pure water extension communicated with third flow channel is equipped in hole, the outer end of the pure water extension forms pure water mouth, and the pure water prolongs
Stretching has the first water check valve in pipe, first water check valve includes the first spool and the first spring, the mounting head and filter cartridge seat
After assembly, first spool by filter cartridge seat promotion and open the first water check valve, after the mounting head and filter cartridge seat are split, institute
It states the first spool and is closed the first water check valve by the effect of the first recoil of spring power.
9. reverse osmosis water purifier according to claim 8, which is characterized in that the through-hole and pure water extend between pipe outer wall
It is nested with the second water check valve, second water check valve includes the second spool being sheathed on outside pure water extension and second spring, institute
State mounting head and filter cartridge seat assembly after, second spool by filter cartridge seat promotion and open the second water check valve, the mounting head
With filter cartridge seat split after, second spool by second spring screen resilience effect and close the second water check valve.
10. reverse osmosis water purifier according to claim 9, which is characterized in that the outer end of the pure water extension is equipped with
First sealing ring simultaneously stretches out outside the second spool, and the outer wall of second spool is equipped with the second sealing ring, second sealing ring with
The inner wall of through-hole seals cooperation, have between the inner wall of second spool and the outer wall of pure water extension connection raw water mouth or
After the water space of crossing of one of waste water mouth and first runner, the mounting head and filter cartridge seat assembly, first sealing ring and filter core
After seat sealing cooperation, the mounting head and filter cartridge seat are split, the inner wall of second spool and the sealing of the first sealing ring cooperate, with
Close one of raw water mouth or waste water mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821259885.7U CN209292086U (en) | 2018-08-06 | 2018-08-06 | Reverse osmosis water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821259885.7U CN209292086U (en) | 2018-08-06 | 2018-08-06 | Reverse osmosis water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292086U true CN209292086U (en) | 2019-08-23 |
Family
ID=67650991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821259885.7U Expired - Fee Related CN209292086U (en) | 2018-08-06 | 2018-08-06 | Reverse osmosis water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209292086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496535A (en) * | 2019-09-17 | 2019-11-26 | 广东韦博科技有限公司 | Filter material mounting base and the filter assemblies and filter cartridge construction for applying it |
| CN110496534A (en) * | 2019-09-17 | 2019-11-26 | 广东韦博科技有限公司 | Filter cartridge construction |
| CN111888938A (en) * | 2019-09-17 | 2020-11-06 | 广东韦博科技有限公司 | Simple filtering assembly and filter element structure applying same |
-
2018
- 2018-08-06 CN CN201821259885.7U patent/CN209292086U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496535A (en) * | 2019-09-17 | 2019-11-26 | 广东韦博科技有限公司 | Filter material mounting base and the filter assemblies and filter cartridge construction for applying it |
| CN110496534A (en) * | 2019-09-17 | 2019-11-26 | 广东韦博科技有限公司 | Filter cartridge construction |
| CN111888938A (en) * | 2019-09-17 | 2020-11-06 | 广东韦博科技有限公司 | Simple filtering assembly and filter element structure applying same |
| CN110496534B (en) * | 2019-09-17 | 2024-03-15 | 广东领尚净水科技有限公司 | Filter element structure |
| CN110496535B (en) * | 2019-09-17 | 2024-04-02 | 广东领尚净水科技有限公司 | Filter material mounting seat and filter assembly and filter element structure applying same |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190823 Termination date: 20210806 |