CN209292027U - A kind of reverse osmosis element kit of self-locking - Google Patents
A kind of reverse osmosis element kit of self-locking Download PDFInfo
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- CN209292027U CN209292027U CN201821261077.4U CN201821261077U CN209292027U CN 209292027 U CN209292027 U CN 209292027U CN 201821261077 U CN201821261077 U CN 201821261077U CN 209292027 U CN209292027 U CN 209292027U
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Abstract
The utility model discloses a kind of reverse osmosis element kits of self-locking.The element kit includes shell, reverse osmosis filter core and water-way conversion device, shell has the first mounting head and the second mounting head, first mounting head crosses the mouth of a river and second equipped with first and crosses the mouth of a river, second mounting head is equipped with third and crosses the mouth of a river, reverse osmosis filter core has first to cross water end (W.E.), second water end (W.E.) and third excessively crosses water end (W.E.), it is provided with the mouth of a river excessively of connection first and first on water-way conversion device and crosses the first runner of water end (W.E.), connection second crosses the mouth of a river and second and crosses the second flow channel of water end (W.E.), connection third crosses the mouth of a river and third crosses the third flow channel of water end (W.E.), first runner, the threshold switch for being opened and closed corresponding runner is provided at least one of second flow channel and third flow channel, so that corresponding runner is self-locking under water state not processed.After element kit is removed from filter cartridge seat, threshold switch is self-locking to close corresponding runner, avoids remaining water outflow in runner.
Description
Technical field
The utility model relates to drinking water treatment equipment fields, and in particular to a kind of reverse osmosis element kit of self-locking.
Background technique
With the raising that people require drinking water quality, water purifier is just stepping into the drinking-water system of every household
In.The principle that water purifier generates pure water is that raw water passes through the filtering of element kit and generates the pure water that can be drunk.It is existing
Reverse osmosis water purifier generally has multistage filtering, and core filter element therein is reverse osmosis filter core, which can be to raw water
In the impurity such as organic matter, colloid, bacterium, virus be filtered, especially have to impurity such as inorganic salts, heavy metal ion high
Filter efficiency.The filter effect of water purifier is directly related with the filter effect of reverse osmosis filter core, also, the mistake of reverse osmosis filter core
Filter effect gradually decays with its passage using the time, thus, there is service life in reverse osmosis filter core.
Currently, the mounting means of the element kit on water purifier is varied, common mounting means has from bottom to top
Upper plug type, top-down inverted plug type and pressure-bearing type etc..For a user, when water purifier is mounted in small space, example
In cabinet, compared to upper plug type element kit, the element kit of inverted plug type and pressure-bearing type does not need downwards in disassembly process
Extension space, and force direction is more appropriate, easily facilitate user and replace element kit, therefore, inverted plug type and pressure-bearing type
Element kit is favored by user.However, water purifier is in use, water can be full of in element kit, it is especially big at present
Under the driving of flux filter core, filter core internal capacity is larger, and corresponding quantity of residual is also larger.Inverted plug type and pressure-bearing type element kit
After mounting head is separated with filter cartridge seat, the residual water in element kit can be flowed out by gravity, and pollution cabinet, machine are even
It splashes with user.Even for upper plug type element kit, in replacement process, the element kit changed, which is such as placed, improper also to be held
It easily topples, causes internal residual water to flow out, reduce user experience.
In addition to this, reverse osmosis water purifier enables again after stopping using a period of time, for example, user puts in water purifier
It is again turned on use after setting a night, will appear the higher phenomenon of TDS in the water flow at water outlet initial stage, this is because reverse osmosis membrane two
The substances such as hydrone, inorganic salts, the heavy metal ion of side realize mass exchange, macro manifestations under the action of diffusion phenomena
It reaches unanimity for the TDS concentration of reverse osmosis membrane two sides.User in use, often due to the TDS higher of former glasss of water and
It is outwelled, causes the waste of water resource, while also bringing bad usage experience to user.
Utility model content
The purpose of the utility model embodiment is to provide a kind of reverse osmosis element kit of self-locking, to solve element kit
After being separated with mounting base, in element kit the technical issues of the outflow of residual water.
In order to solve the above-mentioned technical problem, the utility model provides a kind of reverse osmosis element kit of self-locking, including outer
Shell and the reverse osmosis filter core in shell, one end of the shell forms the first mounting head with filter cartridge seat assembly, described outer
The other end of shell is provided with the second mounting head, and the reverse osmosis filter core includes central tube and the reverse osmosis that is wrapped on the central tube
There is the first water end (W.E.), second water end (W.E.) and third excessively excessively to cross water end (W.E.), be arranged in first mounting head for permeable membrane, the reverse osmosis filter core
There is first to cross the mouth of a river and second and cross the mouth of a river, is provided with third in second mounting head and crosses the mouth of a river, set on the reverse osmosis filter core
It is equipped with and the described first water end (W.E.), second water end (W.E.) and third excessively excessively is crossed into the water-way conversion device that water end (W.E.) is isolated from each other, the water route
Be provided with first runner, second flow channel and third flow channel on conversion equipment, described first cross the mouth of a river by the first runner with
Described first crosses water end (W.E.) connection, and described second, which crosses the mouth of a river, is connected to by the second flow channel with the second mistake water end (W.E.), and described the
The three mistake mouths of a river are crossed water end (W.E.) with the third by the third flow channel and are connected to, the first runner, second flow channel and third flow channel
At least one of in be provided with threshold switch for being opened and closed corresponding runner so that corresponding runner under water state not processed from
Lock.
The reverse osmosis element kit of self-locking that the present embodiment proposes, during replacing element kit, when by filter core group
After part is removed from filter cartridge seat, threshold switch is self-locking to close corresponding runner, and remaining water in runner is avoided to flow out under the effect of gravity,
And then can even be splashed with user to avoid water pollution cabinet, machine is remained in runner, improve user experience.In addition, this
The reverse osmosis element kit of the self-locking of embodiment, under the idle i.e. water state not processed of water purifier, threshold switch can be self-locking by respective streams
Road is closed, and the water prevented from respective line in this way is connected to the water in element kit, avoids the high TDS in element kit
Low TDS water in water pollution pipeline, reduces contaminated water, therefore, when being again started up water purifier, so that it may the row of avoiding
Excessive contaminated water out, has on the one hand achieved the purpose that water-saving, on the one hand can be convenient user and is quickly obtained good pure water,
Improve user satisfaction.
Optionally, the water-way conversion device include be arranged in the reverse osmosis filter core towards second mounting head
The second end seal on end, the second end package includes end wall and encloses muscle along peripheral first be arranged of the end wall, described
Second end seals up the third water passage for being provided with and forming described third flow channel a part.
Third can be crossed water end (W.E.) closing by the second end seal of this structure, so that crossing the water of water end (W.E.) outflow only by third
It can be flowed out out of third water passage, thus, facilitate the setting of threshold switch.
Optionally, the threshold switch includes the third threshold switch being arranged in the third water passage.
The setting of third threshold switch can flow out optional to avoid the water when element kit separates filter cartridge seat in third flow channel
Ground, the fixed part protruded towards second mounting head direction is provided on the end wall, and the third water passage passes through institute
Fixed part is stated, is provided in second mounting head and crosses the fixing groove that the mouth of a river is connected to the third, the fixed part is hermetically
It is embedded in the fixing groove.
Such structure is defined the position of the second end seal well, ensure that by the cooperation of fixing groove and fixed part
The Assembly stability of second end seal;Fixed part is hermetically embedded in fixing groove, can be to avoid water from fixed part and fixing groove
Clearance leakage, so that the water in third flow channel can only be circulated by third threshold switch, to ensure that third threshold switch can be complete
The opening and closing of full control third flow channel.
Optionally, the end wall and the third are crossed between water end (W.E.), and there is third to cross water space.
Third crosses the setting of water space, and third can be made to cross, and water end (W.E.) crosses water space by third and third water passage connects
It is logical.Meanwhile third cross water space can also for from third cross water end (W.E.) flow out water buffer function be provided, avoid third cross water end (W.E.) row
Water yield excessively causes hydraulic pressure is excessive to cause to leak between the second end seal and reverse osmosis filter core.
Optionally, through-hole is provided in first mounting head, the water-way conversion device further includes and the central tube
It is connected to and protrudes into the water guide sector in the through-hole, described first, which crosses water end (W.E.) and described second, crosses water end (W.E.) in the effect of the water guide sector
Under be isolated from each other.
First water end (W.E.) and the second water end (W.E.) excessively excessively is kept apart by water guide sector, avoids first and cross water end (W.E.) by such structure
The string water between water end (W.E.) is crossed with second.Such water guide sector structure is simple, is easy to realize assembly connection with reverse osmosis filter core.
Optionally, the first water passage to form described first runner a part, the valve are provided in the water guide sector
Switch includes the first threshold switch being arranged in first water passage.
By the way that the first threshold switch is arranged in the first water passage, after element kit is separated from filter cartridge seat, the first valve is opened
It closes self-locking, can be flowed out from element kit to avoid the water in first runner.
Optionally, water is crossed with form described second flow channel a part second between the water guide sector and the through-hole to lead to
Road, the threshold switch include the 4th threshold switch being arranged in second water passage.
By the way that the 4th threshold switch is arranged in the second water passage, after element kit is separated from filter cartridge seat, the 4th valve is opened
It closes self-locking, can be flowed out from element kit to avoid the water in second flow channel.
Optionally, the water-way conversion device further includes the retaining section being arranged in the second flow channel, the retaining section
Lateral wall and the shell inner sidewall between seal and cooperate, be provided with to form the second flow channel one on the retaining section
The water hole divided, the threshold switch includes the second threshold switch being arranged in the water hole.
Such structure seals cooperation, avoids the two of retaining section between the lateral wall of retaining section and the inner sidewall of shell
Side passes through gap between retaining section lateral wall and housing interior side-wall and generates leakage connection, so that the two sides of retaining section can only pass through
Water hole connection, thus, the second threshold switch is arranged in water hole can realize opening and closing second flow channel.When element kit and filter core
After seat separation, the second threshold switch is closed, and can be flowed out to avoid the water in second flow channel.
Optionally, the retaining section includes water retaining wall and is arranged in the second of water retaining wall periphery and encloses muscle, and described the
Two enclose sealing cooperation between the lateral wall of muscle and the inner sidewall of the shell, and described second encloses muscle towards the reverse osmosis filter core side
To extending and being enclosed on the lateral wall of the reverse osmosis filter core, the water hole is formed on the water retaining wall.
The retaining section of this structure encloses muscle by first and realizes second and cross water end (W.E.) and with third spend being isolated for water end (W.E.), avoids
Second crosses water end (W.E.) and third crosses the string water between water end (W.E.).
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solutions of the utility model, and constitutes part of specification,
It is used to explain the technical solution of the utility model together with embodiments herein, not constitute to technical solutions of the utility model
Limitation.
Fig. 1 is the structural schematic diagram of the reverse osmosis element kit of the utility model first embodiment self-locking;
Fig. 2 a is the enlarged diagram of part A in Fig. 1;
Fig. 2 b is the enlarged diagram of part B in Fig. 1;
Fig. 3 is the structural schematic diagram on the reverse osmosis element kit top of the utility model second embodiment self-locking;
Fig. 4 is the enlarged diagram of C portion in Fig. 3;
Fig. 5 is the structural schematic diagram of the reverse osmosis element kit lower part of the utility model 3rd embodiment self-locking;
Fig. 6 is the structural schematic diagram of the reverse osmosis element kit of the utility model fourth embodiment self-locking;
Fig. 7 is the structural schematic diagram of the reverse osmosis element kit lower part of the 5th embodiment self-locking of the utility model.
Description of symbols:
10-shells; | 11-mounting heads; | 12-the second mounting head; |
20-filter cores; | 21-the first crosses water end (W.E.); | 22-the second crosses water end (W.E.); |
23-thirds cross water end (W.E.); | 26-central tubes; | 27-reverse osmosis membranes; |
31-fit-up gaps; | 33-thirds cross water space; | 42-water guide sectors; |
61-the first threshold switch; | 62-the second threshold switch; | 63-third threshold switch; |
64-the four threshold switch; | 70-positioning ring sets; | 101-the first crosses the mouth of a river; |
102-the second crosses the mouth of a river; | 103-thirds cross the mouth of a river; | 261-extended segments; |
262-barriers; | 411-water retaining walls; | 412-the first encloses muscle; |
421-lower sections; | 422-upper sections; | 431-end walls; |
432-the first encloses muscle; | 433-fixed parts; | 511-the first water passage; |
521-the second water passage; | 522-water holes; | 531-third water passages; |
611-first bases; | 612-the first spool; | 613-the first elastic component; |
621-sealing side walls; | 622-the second spool; | 623-third elastic components; |
642-the four spool; | 643-the four elastic component; | 4121-vertical sections; |
4122-bending segments. |
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing to this
The embodiment of utility model is described in detail.It should be noted that in the absence of conflict, embodiment in the application and
Feature in embodiment can mutual any combination.
The content of the utility model will be discussed in detail by specific embodiment below.
In the examples below, " axial direction " refers to the axial direction of filter core, and " radial direction " refers to the radial direction of filter core.
First embodiment:
Fig. 1 is the structural schematic diagram of the reverse osmosis element kit of the utility model first embodiment self-locking.It can be with from Fig. 1
Find out, which includes shell 10 and the reverse osmosis filter core in shell 10.One end of shell 10 is (in Fig. 1 being
End) the first mounting head 11 is formed, the first mounting head 11 and the filter cartridge seat of water purifier are assembled, and the other end of shell 10 is (in Fig. 1
For lower end) it is provided with the second mounting head 12, for the ease of the assembly of element kit, the second mounting head 12 and shell 10 are two zero
Part, the second mounting head 12 can form a fixed connection with shell 10 by welding.
As shown in Figure 1, reverse osmosis filter core 20 includes central tube 26 and reverse osmosis membrane 27, reverse osmosis membrane 27 is wrapped in central tube
On 26.Reverse osmosis filter core 20 has first to cross water end (W.E.) 21, second and cross water end (W.E.) 22 and third to cross water end (W.E.) 23, and in Fig. 1, first crosses water
End 21 is located at the upper end of central tube 26, and second crosses the upper surface that water end (W.E.) 22 is located at reverse osmosis membrane 27, and third is crossed water end (W.E.) 23 and is located at
The lower end surface of reverse osmosis membrane 27.It is provided with first mouth of a river 101 and second excessively in first mounting head 11 and crosses the mouth of a river 102, the second installation
It is provided with third on first 12 and crosses the mouth of a river 103.
From figure 1 it appears that be provided with water-way conversion device on reverse osmosis filter core 20, water-way conversion device is by the first mistake
Water end (W.E.) 21, second crosses water end (W.E.) 22 and third crosses water end (W.E.) 23 and is isolated from each other.First runner, second are provided on water-way conversion device
Runner and third flow channel.Specifically, in the present embodiment, water-way conversion device includes first be arranged on reverse osmosis filter core 20
End seal, first end, which is sealed up, is provided with first runner and second flow channel, meanwhile, in the case where first end seals buffer action, in element kit
Portion is isolated out third flow channel.First mouth of a river 101 excessively is connected to by first runner with the first water end (W.E.) 21 excessively, and second crosses the mouth of a river 102
Water end (W.E.) 22 is crossed with second by second flow channel to be connected to.Third flow channel, which passes through the second mounting head 12 and is connected to third, crosses 103 He of the mouth of a river
Third crosses water end (W.E.) 23.Threshold switch is provided at least one of first runner, second flow channel and third flow channel, threshold switch is used for
Corresponding runner is opened and closed so that corresponding runner is self-locking under water state not processed.
The reverse osmosis element kit of self-locking that the present embodiment proposes, in first runner, second flow channel and third flow channel extremely
The threshold switch for being opened and closed corresponding runner is provided in one few, so that corresponding runner is self-locking under water state not processed, thus,
During replacing element kit, after removing element kit from filter cartridge seat, threshold switch is self-locking to close corresponding runner, keeps away
Exempt from remaining water in runner to flow out under the effect of gravity, and then can even be splashed to avoid water pollution cabinet, machine is remained in runner
To with user, user experience is improved.
In addition, so it is easy to understand that the concentrated water side of element kit, the TDS of raw water side are above the TDS of pure water side, not
Under water state processed, that is, element kit idle state, the TDS meeting phase counterdiffusion of concentrated water side, raw water side and pure water side, so that concentrated water side,
The TDS of raw water side and pure water side tends to be identical.When there is no threshold switch in first runner, second flow channel and third flow channel, by
It is connected to element kit in concentrated water pipeline, raw water pipeline and pure water pipeline, therefore, the TDS and element kit of the water in pipeline
In TDS tend to be identical, cause in entire pipeline TDS value to increase.When being again started up water purifier, discharge line and filter core are needed
All water in component could normally take drinking water, and water resource is caused largely to waste.The self-locking reverse osmosis diafiltration of the present embodiment
Core assembly, the valve being provided with for being opened and closed corresponding runner at least one of first runner, second flow channel and third flow channel are opened
It closes, so that corresponding runner is self-locking under water state not processed, thus, under the idle i.e. water state not processed of water purifier, threshold switch meeting
Self-locking to close corresponding runner, the water prevented from respective line in this way is connected to the water in element kit, avoids filter core
The low TDS water in high TDS water pollution pipeline in component, reduces contaminated water, therefore, when being again started up water purifier
When, so that it may on the one hand the contaminated water for avoiding discharge excessive has achieved the purpose that water-saving, it is quick on the one hand to can be convenient user
Good pure water is obtained, user satisfaction is improved.
As shown in Figure 1, first end package includes the retaining section being arranged in second flow channel, second flow channel is divided by retaining section
Outer segment runner and inner segment runner, outer segment runner are crossed the mouth of a river 102 with second and are connected to, and the inner segment runner and second crosses the company of water end (W.E.) 22
It is logical.Cooperation is sealed between the lateral wall of retaining section and the inner sidewall of shell 10, is provided with water hole 522, water hole on retaining section
522 form a part of second flow channel, outer segment runner and inner segment runner is connected to by water hole 522.Threshold switch includes the second valve
Switch 62, the second threshold switch 62 are arranged in water hole 522.
It can further be seen from figure 1 that cooperation is sealed between the lateral wall of retaining section and the inner sidewall of shell 10, in this implementation
In example, it is provided with circumferential recess on the lateral wall of retaining section, is provided with sealing element in groove, under the action of sealing element, water blocking
Sealing cooperation is realized between the lateral wall in portion and the inner sidewall of shell.It is easily understood that can also be by groove along shell
Side wall setting, and sealing element is set in groove, it equally may be implemented between the lateral wall of retaining section and the inner sidewall of shell
Sealing cooperation.
Such retaining section avoids gear due to sealing cooperation between the lateral wall of retaining section and the inner sidewall of shell 10
The two sides in water portion pass through gap between retaining section lateral wall and housing interior side-wall and generate leakage connection, so that the two sides of retaining section are only
It can be connected to by water hole, thus, the second threshold switch 62 is arranged in water hole can realize opening and closing second flow channel.
In the present embodiment, after the second threshold switch 62 are arranged in water hole 522, the second threshold switch 62 can be opened and closed
Two runners, i.e., under water state processed, the second threshold switch 62 is opened, and second flow channel is unimpeded, under water state not processed, the second threshold switch
62 close, and second flow channel is closed.After element kit is separated with filter cartridge seat, the second threshold switch 62 is closed, can be to avoid the
Water outflow in two runners.
Fig. 2 a is the enlarged diagram of part A in Fig. 1.As can be seen that the second threshold switch 62 includes sealed sides from Fig. 2 a
Wall 621, the second spool 622 being arranged in sealing side wall 621 and the second elastic component that 622 lower end of the second spool is set
623, under the action of the second elastic component 623, the second spool 623 cooperates with the sealing sealing of side wall 621.
The water (flow) direction schematic diagram of element kit is shown in FIG. 1.In the present embodiment, first mouth of a river 101 excessively is pure
The mouth of a river, second crosses the mouth of a river 102 as raw water mouth, and it is concentrated water spout that third, which crosses the mouth of a river 103,.The mouth of a river 102 is crossed by second when raw water to flow to
When the second threshold switch 62, raw water, which acts on the second spool 622, compresses the second elastic component 623, the second spool 622 with
Water space was formed between sealing side wall 621, raw water crosses water space inflow second by this and crosses water end (W.E.) 22, i.e. the second threshold switch 62
It is opened under the action of raw water pressure, so that raw water, which flows into second, crosses water end (W.E.) 22, under water state not processed, the second threshold switch 62 is closed
It closes so that second flow channel is self-locking.From figure 1 it appears that raw water flow to the second water end (W.E.) 22 excessively into instead from second mouth of a river 102 excessively
It permeates in filter core, after reverse osmosis filter element filtering, pure water crosses the discharge of water end (W.E.) 21 from first and crosses the mouth of a river 101 from filter core through first
Component outflow, concentrated water crosses the discharge of water end (W.E.) 23 and cross the mouth of a river 103 through third from third to flow out from element kit.
It is easily understood that in other embodiments, the state that the second threshold switch can also be opposite with Fig. 1 is arranged in mistake
In water hole 522, at this point, first cross the mouth of a river be pure water mouth, second cross the mouth of a river be concentrated water spout, third cross the mouth of a river be raw water mouth, second
Threshold switch is opened under the action of the concentrated water pressure that second crosses water end (W.E.) output, so that concentrated water crosses mouth of a river outflow by second, not
Under water state processed, the second threshold switch closes the effect that opening and closing second flow channel equally may be implemented so that second flow channel is self-locking, prevents
Water outflow when element kit is separated with filter cartridge seat in second flow channel.
It can further be seen from figure 1 that retaining section includes water retaining wall 411 and encloses muscle 412, encloses muscle 412 and be arranged in water retaining wall
411 periphery, enclosing muscle 412 includes vertical section 4121 and bending segment 4122, end court of the bending segment 4122 from vertical section 4121
Extend to the direction of reverse osmosis filter core 27 and is enclosed on the lateral wall of reverse osmosis filter core 27, bending segment 4122 and reverse osmosis filter core
27 lateral wall is tightly connected.Cooperation is sealed between the lateral wall of vertical section 4121 and the inner sidewall of shell 10, thus, retaining section
Water end (W.E.) 22 is crossed by second and third is crossed water end (W.E.) 23 and kept apart.Water hole 522 is formed on water retaining wall 411, specifically, water retaining wall
It is provided on 411 towards second and crosses the protrusion that water end (W.E.) 22 protrudes, water hole 522 runs through along the axial direction of reverse osmosis filter core should
Protrusion, so that water hole 522 forms a part of second flow channel.It can further be seen from figure 1 that bending segment 4122 and the second mistake
There is water space between water end (W.E.) 22, thus, second crosses the entire end face of water end (W.E.) 22 can be connected to second flow channel, so that second
The effective cross sectional area for crossing water end (W.E.) 22 maximizes, and improves the filter efficiency of reverse osmosis filter core.
As shown in Figure 1, being provided with through-hole in the first mounting head 11, first end package includes water guide sector 42, and water guide sector 42 is in
Heart pipe 26 is tightly connected, and water guide sector 42 is protruded into through-hole, and first, which crosses the mouth of a river 101, is formed in water guide sector 42, water guide sector 42
There is the second water passage 521 between through-hole, second crosses the outer end that the mouth of a river 102 is formed in the second water passage 521, the second mistake
A part of the formation second flow channel of Aquaporin-5 21.Such structure, first, which crosses the mouth of a river 101 and second, crosses the difference position of the mouth of a river 102
In the inside and outside of water guide sector 42, thus, first mouth of a river and second mouth of a river excessively excessively is kept apart by water guide sector, avoids the two
Between occur string water phenomenon.
The first water passage 511 is provided in water guide sector 42, the first water passage 511 forms a part of first runner,
Threshold switch further includes the first threshold switch 61, and the first threshold switch 61 is arranged in the first water passage 511.Water flow passage is crossed first
First threshold switch 61 is set in 511, so that the first threshold switch 61 is self-locking, avoids first after element kit is separated from filter cartridge seat
Water in runner is flowed out from element kit.
From figure 1 it appears that the first water passage 511 is the cavity through water guide sector 42, the cavity is along filter core 20
Axial direction extends.The lower end of first water passage 511 is enclosed on central tube 26, and is formed with the outer surface of central tube 26
Sealing cooperation, realizes the sealed connection of water guide sector 42 Yu central tube 26.
In the present embodiment, as shown in Figure 1, the periphery wall of water retaining wall 411 from water guide sector 42 extends outward to form, so that gear
Water portion and water guide sector become an entirety, not only realize effect retaining section divided second flow channel well, but also conveniently
The molding of producing once of retaining section and water guide sector, reduces end seal cost of manufacture.
Fig. 2 b is the enlarged diagram of part B in Fig. 1.As shown in Figure 2 b, the first threshold switch 61 can open or close
One runner.First threshold switch 61 is including first base 611, the first spool 612 and is connected to the first spool 612 and first base
The first elastic component 613 between 611, screw thread connects between the periphery wall of first base 611 and the internal perisporium of the first water passage 511
It connects, under the action of the first elastic component 613, the first spool 612 is crossed the mouth of a river 101 with first and sealed against, and first runner is closed.
When element kit to be assembled in filter cartridge seat, under the action of filter cartridge seat, the first spool 612 is towards the first elastic component 613
Direction is moved, so that water space was formed between the first spool 612 and the first mistake mouth of a river 111, to open first runner.It is easy
Understand, the first threshold switch can also be set to threshold switch identical with 62 structure of the second threshold switch, equally can achieve
It is opened and closed the effect of first runner.
It can further be seen from figure 1 that the second mounting head 12 and third are crossed between water end (W.E.) 23 there is third to cross water space 33, the
Third water passage 531 is provided in two mounting heads 12, third water passage 531 forms a part of third flow channel, third mistake
Aquaporin-5 31, which by third crosses water space 33 and crosses water end (W.E.) 23 with third, to be connected to, and threshold switch further includes being arranged in third water passage
Third threshold switch 63 in 531.
Third threshold switch 63 is set in third water passage 531, to work as the second mounting head 12 from corresponding mounting base
After separation, third threshold switch 63 is self-locking, and the water in third flow channel is avoided to flow out from element kit.
In the present embodiment, third threshold switch 63 is identical as the structure of the first threshold switch 61.When the second mounting head is installed to
After corresponding mounting base, under mounting base effect, third threshold switch 63 opens third flow channel, when the second mounting head is from corresponding peace
After filling seat separation, third threshold switch is self-locking to close third flow channel.It is easily understood that third threshold switch can also be set to
Threshold switch identical with 62 structure of the second threshold switch equally can achieve opening and closing third stream by the way that suitable installation direction is arranged
The effect in road.
As shown in Figure 1, the lower end of central tube 26, which has, protrudes the extended segment 261 that third crosses water end (W.E.) 23, set in central tube 26
It is equipped with barrier 262, under the action of barrier 262, extended segment 261 is crossed water end (W.E.) 21 with first and kept apart.Extended segment 261
Through-hole is provided on side wall, thus, third, which is crossed water end (W.E.) 23 and crossed inside water space 33 and through-hole and extended segment 261 by third, to be connected
It is logical.One end for crossing water end (W.E.) 23 towards third of third water passage 531 is provided with fixing groove, and extended segment 261 is embedded in fixing groove
It is interior, so that the second mounting head 12 and third cross formation third between water end (W.E.) 23 and cross water space 33.
Such structure takes full advantage of the central tube of reverse osmosis filter core, passes through cooperatively forming for fixing groove and central tube
Third crosses water space, and defines the axial position of reverse osmosis filter core well, moreover, such structure simplifies second
The structure of mounting base 12, so that the second mounting base is easier to assemble.
In general, when assembling element kit, the assembly of reverse osmosis filter core and shell for convenience, the outside of reverse osmosis filter core
There is fit-up gap 31, as shown in Figure 1 between wall and shell.After reverse osmosis filter core is assembled in shell 10, fill in order to prevent
Cause reverse osmosis filter core unstable with gap 31, in the present embodiment, the inner sidewall of the lateral wall of reverse osmosis filter core and shell it
Between be provided with positioning ring set 70, thus, the radial position of reverse osmosis filter core is better defined, improves reverse osmosis filter core outside
Stability in shell.
Second embodiment:
Fig. 3 is the structural schematic diagram on the reverse osmosis element kit top of the utility model second embodiment self-locking.With first
Unlike embodiment, in the present embodiment, as shown in figure 3, having the between water guide sector 42 and the through-hole of the first mounting head 11
Two water passages 521, the second water passage 521 form a part of second flow channel, and the outer end of the second water passage 521 forms the
Two cross the mouth of a river, and threshold switch includes the 4th threshold switch 64 that 521 outer end of the second water passage is arranged in.
The element kit of the present embodiment equally may be used by the way that the 4th threshold switch 64 is arranged in 521 outer end of the second water passage
To realize the effect of opening and closing second flow channel.When the first mounting head 11 is installed in filter cartridge seat, under the action of filter cartridge seat, the 4th
Threshold switch 64 is opened to open second flow channel, and when the first mounting head 11 is removed from filter cartridge seat, the 4th threshold switch 64 resets certainly
Lock prevents the water in second flow channel from flowing out to close second flow channel.Such element kit, the 4th threshold switch and the first threshold switch
It opens and closes simultaneously, opening and closing while realizing second flow channel and first runner.
Fig. 4 is the enlarged diagram of C portion in Fig. 3.Figure 4, it is seen that the 4th threshold switch 64 includes the 4th spool
642 and the 4th elastic component 643.4th spool 642 is annular in shape and is set in the outside of water guide sector 42, the inside of the 4th spool 642
Or at least one of outside is opening and closing side, opening and closing side is matched with the outer wall of opposite water guide sector 42 or the inner wall of water hole 522
It closes to open and close second flow channel.
In the present embodiment, the internal ring wall of the 4th spool 642 constitutes opening and closing side.It is provided on internal ring wall and axially prolongs along spool
The water-carrying groove stretched.When element kit separates filter cartridge seat, under the action of the 4th elastic component 643, the end of side and opposite is opened and closed
Water guide sector 42 outer wall sealing cooperation and close second flow channel;When element kit is installed in filter cartridge seat, in filter cartridge seat
Under effect, the 4th spool 642 compresses the 4th elastic component 643, and the outer wall of the end and opposite water guide sector 42 that open and close side was formed
Water space crosses water space by water-carrying groove connection and opens second flow channel, the 4th threshold switch 64 is shown in Fig. 4 and opens second
The status diagram in road.
In specific implementation, the assembly of the 4th threshold switch 64 for convenience, as shown in figure 3, water guide sector 42 can be made
At inner segment 421 interconnected and outer segment 422, inner segment 421 is connected to central tube, and outer end 422 and inner segment 421 are connected by screw thread
It connects, the 4th threshold switch 64 is set in the outside of outer segment 422.Such structure can be first by 64 sets of the 4th threshold switch in assembly
Mounted in the outside of outer segment 422, outer segment 422 is threadedly coupled again with inner segment 421 then, ensure that the smooth dress of the 4th threshold switch
Match.
It can also be seen that the first end seal further includes second enclosing muscle 412 from Fig. 3, second, which encloses muscle 412, is disposed around water guide sector
42 outside, second encloses sealing cooperation between the lateral wall of muscle 412 and the inner sidewall of shell 10, and second encloses muscle 412 towards reverse osmosis
Diafiltration core direction extends and is enclosed on the lateral wall of reverse osmosis filter core 27, and second encloses and form between muscle 412 and water guide sector 42
The second of two runners a part crosses water space 523.
In the present embodiment, muscle 412 is enclosed by second, second water end (W.E.) and third excessively is crossed water end (W.E.) and kept apart, avoid second
It crosses water end (W.E.) and third crosses string water between water end (W.E.).
It is further seen that, second, which encloses muscle 412, includes vertical section 4121 and bending segment 4122, bending segment 4122 from Fig. 3
Direction from the end of vertical section 4121 towards reverse osmosis filter core 27 extends and is enclosed on the lateral wall of reverse osmosis filter core 27, curved
The lateral wall of trisection 4122 and reverse osmosis filter core 27 is tightly connected.Between the lateral wall of vertical section 4121 and the inner sidewall of shell 10
Sealing cooperation, thus, first encloses muscle crosses the second water end (W.E.) and third excessively water end (W.E.) and keeps apart.
In the present embodiment, second encloses muscle 412 and water guide sector 42 is two parts being separated from each other, so it is easy to understand that
First, which encloses muscle, can also be connected as one part by the muscle radially extended and water guide sector, in specific implementation, can be according to reality
Border needs to be arranged the first connection relationship for enclosing muscle and water guide sector.
Other structures in the present embodiment are identical with the first embodiment, and this is no longer going to repeat them.
3rd embodiment:
Fig. 5 is the structural schematic diagram of the reverse osmosis element kit lower part of the utility model 3rd embodiment self-locking.With first
Unlike embodiment, in the present embodiment, as shown in figure 5, central tube crosses the closed at one end of water end (W.E.) 23 towards third, second
Fuisw rib 13 is arranged at intervals on the end face for crossing water end (W.E.) 23 towards third of mounting head 12, fuisw rib 13 is crossed water end (W.E.) 23 with third and supported
It connects so that the second mounting head 12 and third cross formation third between water end (W.E.) 23 and cross water space 33.To which third is crossed water end (W.E.) 23 and passed through
Gap, that is, third between conducting element 71 is crossed water space 33 and is connected to third water passage 531.
Fuisw rib 13 crosses third to form third between water end (W.E.) and the second mounting head and cross water space, moreover, leading
The water flow that stream muscle can also cross in water space third plays guide functions.Water end (W.E.) is directly crossed with third due to fuisw rib and abuts dress
Match, avoid and need the process of extended segment and fixing groove contraposition assembly further simplifying assembly technology in first embodiment,
Improve assembly efficiency.
It is easily understood that features described above described in this embodiment may also serve as the element kit of second embodiment
Substructure.
Fourth embodiment:
Fig. 6 is the structural schematic diagram of the reverse osmosis element kit of the utility model fourth embodiment self-locking.Implement with first
Unlike example, in the present embodiment, as shown in fig. 6, water-way conversion device is provided on reverse osmosis filter core 20, water route converting means
It sets to cross water end (W.E.) 21, second for first and cross water end (W.E.) 22 and third and crosses water end (W.E.) 23 and be isolated from each other, the is provided on water-way conversion device
One runner, second flow channel and third flow channel.Specifically, water-way conversion device not only includes first end as in the first embodiment
Envelope, but also including the second end seal 43, one end of the second mounting head 12 of direction of reverse osmosis filter core 20 is arranged in the second end seal 43.
First runner and second flow channel are arranged at first end and seal up, and third flow channel passes through the second end seal 43.First, which crosses the mouth of a river 101, passes through
First runner is connected to the first water end (W.E.) 21 excessively, and second, which crosses the mouth of a river 102, is connected to by second flow channel with the second water end (W.E.) 22 excessively, third mistake
The mouth of a river 103 is crossed water end (W.E.) 23 with third by third flow channel and is connected to.At least one of first runner, second flow channel and third flow channel
It is inside provided with threshold switch, threshold switch is for being opened and closed corresponding runner so that corresponding runner is self-locking under water state not processed.
In the present embodiment, the structure of the part close to the first mounting head 11 of element kit is identical with the first embodiment,
Details are not described herein, and the structure of the part close to the second mounting head 12 of the element kit of the present embodiment is described in detail below.
As shown in fig. 6, water-way conversion device includes the second end seal 43, the court of reverse osmosis filter core 20 is arranged in the second end seal 43
To on the end of the second mounting head 12.Second end seal 43 includes that end wall 431 and first enclose muscle 432, and first encloses muscle 432 along end
The periphery of wall 431 is arranged and is enclosed on the lateral wall of reverse osmosis filter core 20, and in the present embodiment, third water passage 531 is set
It sets in the second end seal 43, third water passage 531 forms a part of third flow channel.
Third can be crossed water end (W.E.) 23 and closed by the second end seal 43 of this structure, be flowed out so that crossing water end (W.E.) 23 by third
Water can only be flowed out out of third water passage 531, thus, facilitate the setting of threshold switch.
In order to avoid the water that third is crossed between water end (W.E.) and the second end seal encloses muscle 432 and reverse osmosis 20 lateral wall of filter core from first
Between leak, in the present embodiment, first, which encloses the sealing of muscle 432 and reverse osmosis 20 lateral wall of filter core, is combined, and is ensured that in this way
The water that third crosses the outflow of water end (W.E.) 23 can only be flowed out out of third water passage 531.
In order to avoid the water outflow when element kit separates filter cartridge seat in third flow channel, in the present embodiment, threshold switch
Including the third threshold switch 63 being arranged in third water passage 531, as shown in Figure 6.In the present embodiment, third threshold switch
63 is identical as the structure of the second threshold switch 62, and third threshold switch 63 is identical as the installation direction of the second threshold switch 62.Third
The setting of threshold switch 63, when element kit is in water state processed, in third flow channel under the pressure effect of water, third threshold switch
63 open to open third water passage 531, so that third flow channel water flow is unimpeded;When element kit is in non-water state processed,
Third threshold switch 63 is self-locking to close third water passage 531, and the water in third flow channel is avoided to flow out.
In the present embodiment, first the mouth of a river 101 is crossed as pure water mouth, second crosses the mouth of a river 102 as raw water mouth, and third crosses the mouth of a river
103 be concentrated water spout.When raw water, which crosses the mouth of a river 102 by second, flow to the second threshold switch 62, raw water acts on the second spool 622
Above so that the second elastic component 623 is compressed, water space was formed between the second spool 622 and sealing side wall 621, raw water is by being somebody's turn to do
It crosses water space and flows into second and cross water end (W.E.) 22, is i.e. the second threshold switch 62 opens under the action of raw water pressure, so that raw water flows into the
Two cross water end (W.E.) 22.It crosses the concentrated water that water end (W.E.) 23 flows out from third to act on third threshold switch 63, so that third threshold switch 63 is opened
It opens, concentrated water is crossed the mouth of a river 103 from third by third threshold switch 63 and flowed out.It is easily understood that can be by the second threshold switch and
Three threshold switch are installed as the direction opposite with Fig. 6 respectively, and just realizing first and crossing the mouth of a river 101 is pure water mouth, and second crosses the mouth of a river
102 be concentrated water spout, and it is raw water mouth that third, which crosses the mouth of a river 103,.
From it can also be seen that be provided with fixed part 433 on end wall 431, fixed part 433 is towards the second mounting head 12 in Fig. 6
Direction protrusion, third water passage 531 pass through the fixed part 433.It is provided in second mounting head 12 and crosses the mouth of a river 103 with third
The fixing groove of connection, fixed part 433 are hermetically embedded in fixing groove 433.Such structure passes through fixing groove and fixed part
Cooperation, defines the position of the second end seal well, ensure that the Assembly stability of the second end seal;Fixed part is hermetically embedded
It, can be to avoid water from the clearance leakage of fixed part and fixing groove, so that the water in third flow channel can only pass through third in fixing groove
Threshold switch 63 circulates, to ensure that third threshold switch can fully control the opening and closing of third flow channel.
It is easily understood that third crosses the end face that water end (W.E.) 23 is reverse osmosis membrane 27, in order to guarantee that water flow can be from third mistake
Water end (W.E.) 23 flows out, and in the present embodiment, end wall 431 and third are crossed between water end (W.E.) 23 and cross water space 33 with third, thus, third mistake
Water end (W.E.) 23 can cross water space 33 by third and be connected to third water passage 531.Meanwhile third cross water space 33 can be with
Buffer function is provided to cross the water that water end (W.E.) 23 flows out from third, avoiding third from crossing 23 water discharge quantity of water end (W.E.) excessively causes hydraulic pressure excessive
Cause to leak between the second end seal and reverse osmosis filter core.
It is further seen that, water space 33 is crossed in order to form third, the lower end of central tube 26 has protrusion third mistake from Fig. 6
The extended segment 261 of water end (W.E.) 23 is provided with barrier 262 in central tube 26, under the action of barrier 262, extended segment 261 with
First, which crosses water end (W.E.) 21, keeps apart.Extended segment 261, which is resisted against on end wall 431, to be crossed end wall 431 and third between water end (W.E.) 23 to be formed
Third crosses water space 33.It is provided with through-hole on the side wall of extended segment 261, thus, third crosses water end (W.E.) 23 and crosses water space by third
33 and through-hole and extended segment 261 inside be connected to, and then be connected to third water passage 531.
It is easily understood that crossing water space 33 to form third, it can also be spaced setting on the inner surface of end wall and lead
Muscle is flowed, fuisw rib is crossed water end (W.E.) with third and abutted so that end wall and third cross formation third between water end (W.E.) and cross water space.
5th embodiment:
Fig. 7 is the structural schematic diagram of the reverse osmosis element kit lower part of the 5th embodiment self-locking of the utility model.With the 4th
Unlike embodiment, in the present embodiment, as shown in fig. 7, central tube crosses the closed at one end of water end (W.E.) 23 towards third, first
It encloses and is provided with stage portion on muscle 432, stage portion is supported on the fringe region that third crosses water end (W.E.) 23, so that end wall 431 and third mistake
Third is formed between water end (W.E.) 23 crosses water space 33.
This setup further simplifies the structure of reverse osmosis filter core and the second end seal, improves assembly efficiency.
Other structures in the present embodiment are identical as fourth embodiment, and this is no longer going to repeat them.
It is easily understood that the fit structure of the second end seal and reverse osmosis filter core that the present embodiment proposes is equally applicable to the
The reverse osmosis element kit of two embodiments.
In the description of the utility model embodiment, it is to be understood that term " on ", "lower", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In the description of the utility model embodiment, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Although embodiment disclosed by the utility model is as above, the content only the utility model for ease of understanding
And the embodiment used, it is not intended to limit the utility model.Technical staff in any the utility model fields,
Under the premise of not departing from spirit and scope disclosed by the utility model, it can be carried out in the form and details of implementation any
Modification and variation, under the premise of not influencing concrete application, the feature that can be disclosed the utility model be combined with each other, but this reality
With novel scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of reverse osmosis element kit of self-locking, the reverse osmosis filter core including shell and in shell, the one of the shell
End forms the first mounting head with filter cartridge seat assembly, and the other end of the shell is provided with the second mounting head, the reverse osmosis diafiltration
Core includes central tube and the reverse osmosis membrane that is wrapped on the central tube, and the reverse osmosis filter core has first to cross water end (W.E.), second
It crosses water end (W.E.) and third crosses water end (W.E.), first mouth of a river and second excessively is provided in first mounting head and crosses the mouth of a river, second installation
Third is provided on head and crosses the mouth of a river, which is characterized in that is provided on the reverse osmosis filter core and is crossed water end (W.E.), the second mistake for described first
Water end (W.E.) and third cross the water-way conversion device that water end (W.E.) is isolated from each other, and first runner, are provided on the water-way conversion device
Two runners and third flow channel, described first mouth of a river excessively are connected to by the first runner with the described first water end (W.E.) excessively, and described second
It crosses the mouth of a river and is connected to by the second flow channel with the described second water end (W.E.) excessively, the third crosses the mouth of a river and passes through the third flow channel and institute
It states third and crosses water end (W.E.) connection, be provided at least one of the first runner, second flow channel and third flow channel for being opened and closed
The threshold switch of corresponding runner, so that corresponding runner is self-locking under water state not processed.
2. element kit according to claim 1, which is characterized in that the water-way conversion device includes setting described anti-
Permeate filter core towards the second end seal on the end of second mounting head, the second end package includes end wall and along described
Peripheral first for being arranged and being enclosed on the reverse osmosis filter core lateral wall of end wall encloses muscle, and it is tangible that the second end seals up setting
At the third water passage of described third flow channel a part.
3. element kit according to claim 2, which is characterized in that the threshold switch includes being arranged to cross water in the third
Third threshold switch in channel.
4. element kit according to claim 2, which is characterized in that be provided on the end wall towards second installation
The fixed part of head direction protrusion, the third water passage is provided on the fixed part, second mounting head and institute
The fixing groove that third crosses mouth of a river connection is stated, the fixed part is hermetically embedded in the fixing groove.
5. element kit according to claim 2, which is characterized in that the end wall and the third, which are crossed between water end (W.E.), to be had
Third crosses water space.
6. element kit described according to claim 1 ~ any one of 5, which is characterized in that be arranged in first mounting head
There is through-hole, the water-way conversion device further includes that the water guide sector in the through-hole is connected to and protruded into the central tube, and described
One water end (W.E.) and the described second water end (W.E.) excessively excessively is isolated from each other under the action of the water guide sector.
7. element kit according to claim 6, which is characterized in that be provided in the water guide sector to be formed it is described first-class
First water passage of road a part, the threshold switch include the first threshold switch being arranged in first water passage.
8. element kit according to claim 6, which is characterized in that have between the water guide sector and the through-hole and formed
Second water passage of described second flow channel a part, the threshold switch include the 4th be arranged in second water passage
Threshold switch.
9. element kit described according to claim 1 ~ any one of 5, which is characterized in that the water-way conversion device also wraps
The retaining section being arranged in the second flow channel is included, sealing is matched between the lateral wall of the retaining section and the inner sidewall of the shell
It closes, the water hole to form described second flow channel a part is provided on the retaining section, the threshold switch includes being arranged described
The second threshold switch in water hole.
10. element kit according to claim 9, which is characterized in that the retaining section includes that water retaining wall and setting exist
The second of the water retaining wall periphery encloses muscle, and described second encloses sealing cooperation between the lateral wall of muscle and the inner sidewall of the shell,
Described second, which encloses muscle, extends and is enclosed on the lateral wall of the reverse osmosis filter core, the mistake towards the reverse osmosis filter core direction
Water hole is formed on the water retaining wall.
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CN201821261077.4U CN209292027U (en) | 2018-08-06 | 2018-08-06 | A kind of reverse osmosis element kit of self-locking |
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CN201821261077.4U CN209292027U (en) | 2018-08-06 | 2018-08-06 | A kind of reverse osmosis element kit of self-locking |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111450704A (en) * | 2019-09-17 | 2020-07-28 | 广东韦博科技有限公司 | Filter assembly and filter element structure applying same |
CN114405133A (en) * | 2022-01-07 | 2022-04-29 | 佛山市美的清湖净水设备有限公司 | Filter element assembly and water purifying device |
-
2018
- 2018-08-06 CN CN201821261077.4U patent/CN209292027U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111450704A (en) * | 2019-09-17 | 2020-07-28 | 广东韦博科技有限公司 | Filter assembly and filter element structure applying same |
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 |
CN111888937A (en) * | 2019-09-17 | 2020-11-06 | 广东韦博科技有限公司 | Novel filtering component and filter element structure applying same |
CN114405133A (en) * | 2022-01-07 | 2022-04-29 | 佛山市美的清湖净水设备有限公司 | Filter element assembly and water purifying device |
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Effective date of registration: 20230506 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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