CN207091063U - Central tube, RO membrane cartridges and water purifier - Google Patents
Central tube, RO membrane cartridges and water purifier Download PDFInfo
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- CN207091063U CN207091063U CN201720853759.3U CN201720853759U CN207091063U CN 207091063 U CN207091063 U CN 207091063U CN 201720853759 U CN201720853759 U CN 201720853759U CN 207091063 U CN207091063 U CN 207091063U
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- central tube
- guiding gutter
- pure water
- water hole
- tube
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Abstract
The utility model discloses a kind of central tube, RO membrane cartridges and water purifier, wherein, the central tube is provided with：Pure water hole, the tube wall through central tube are set；And guiding gutter, the outer surface of the recessed tube wall in central tube, and connect setting with pure water hole.It is arranged such, increases the water inlet area in the pure water hole on central tube, ensure that the pure water amount by pure water hole, and then ensure that central tube goes out water speed.
Description
Technical field
Technical field of water purification is the utility model is related to, more particularly to a kind of central tube, RO membrane cartridges and water purifier.
Background technology
Drinking Water Problem is the problem of common people pay special attention to, and it has been thing out of question to have many materials for being unfavorable for health in water
Real, this is the main reason for common people's healthy water consciousness is strengthened, while is also the reason for purifier market is hot.
The core component of existing water purifier is RO membrane cartridges, and the RO membrane cartridges include central tube, diaphragm, water inlet grid, pure
The parts such as water selvage guide.Wherein, diaphragm doubling after its one end bypasses central tube, to form the DI connected with central tube, and
Diaphragm after doubling is rolled up to central tube along the circumferential of central tube, to form intake tunnel in the outside of central tube, lattice of intaking
Net is installed in intake tunnel, and pure water selvage guide is installed in pure water passage.
However, when on roll-film to central tube, because the outside wall surface of diaphragm and central tube is brought into close contact, this is just reduced
The water intake velocity that pure water in pure water passage is entered in central tube by the pure water hole on central tube, and then reduce center
Pipe goes out water speed.
Utility model content
Main purpose of the present utility model is to propose a kind of central tube, it is intended to which ensure central tube goes out water speed.
To achieve the above object, the utility model proposes a kind of central tube, it is used for RO membrane cartridges, and the central tube is set
Have：
Pure water hole, the tube wall through the central tube are set；And
Guiding gutter, the outer surface of the recessed tube wall in the central tube, and connect setting with the pure water hole.
Preferably, the pure water hole is set through the bottom land of the guiding gutter.
Preferably, axially extending setting of the guiding gutter along the central tube；
The quantity in the pure water hole is multiple, and axially spaced-apart of multiple pure water holes along the central tube is distributed
In the bottom land of the guiding gutter.
Preferably, the central tube is provided with multiple guiding gutters along its circumferentially-spaced distribution；
The outer surface of the tube wall of the central tube is also arranged with the link slot along its circumferentially extending, and the link slot is used for will
Multiple guiding gutter connections.
Preferably, the guiding gutter along the central tube it is axially extending while, also along the circumference of the central tube
Extend and set in the shape of a spiral；
The quantity in the pure water hole is multiple, and bearing of trend interval of multiple pure water holes along the guiding gutter is divided
Bottom land of the cloth in the guiding gutter.
Preferably, the width of the guiding gutter is 1/2~2 times of pure water hole aperture, and the depth of the guiding gutter is
0~1/3 times of the pipe thickness of the central tube.
Preferably, the bottom land of the guiding gutter is convexly equipped with reinforcement.
Preferably, the width of the reinforcement is set from the bottom land of the guiding gutter to the notch of the guiding gutter in tapered
Put.
The utility model also proposes a kind of RO membrane cartridges, and it includes central tube, and the central tube is provided with：
Pure water hole, the tube wall through the central tube are set；And
Guiding gutter, the outer surface of the recessed tube wall in the central tube, and connect setting with the pure water hole.
The utility model also proposes a kind of water purifier, and it includes RO membrane cartridges, and the RO membrane cartridges include central tube, described
Central tube is provided with：
Pure water hole, the tube wall through the central tube are set；And
Guiding gutter, the outer surface of the recessed tube wall in the central tube, and connect setting with the pure water hole.
The utility model by setting pure water hole on central tube, and the tube wall in central tube outer surface is recessed and pure water
The guiding gutter of hole connection, the guiding gutter has certain water-holding capacity, and the pure water in guiding gutter can be entered by pure water hole
Enter to central tube, so ensure that the pure water water entered in central tube, so as to which ensure that the central tube goes out water speed
Degree, while also ensure that the pure water of RO membrane cartridges goes out water speed.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model central tube one；
Fig. 2 is the structural representation of another embodiment of the utility model central tube.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Central tube | 30 | Link slot |
| 10 | Pure water hole | 40 | Reinforcement |
| 20 | Guiding gutter |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of central tube, refer to Fig. 1, and Fig. 1 shows that central tube one of the present utility model is implemented
The structural representation of example.
The central tube 100 is applied in RO membrane cartridges (not shown), and it serves as the effect of support, in RO membrane cartridges
Roll-film is around and the central tube 100 is installed in the pure water passage for being enclosed by the diaphragm in RO membrane cartridges and setting and being formed, the central tube
100 are provided with through the pure water hole 10 of its tube wall, so allow for central tube 100 and are connected with pure water passage, and then pure water is led to
Pure water in road can be entered in central tube 100 by pure water hole 10, and is discharged by central tube 100.
When rolling up in view of circumference of the diaphragm in RO membrane cartridges along central tube 100 to the outside of central tube 100, diaphragm twines
Around comparison it is tight, this allow for the water flowing speed in the pure water hole 10 on central tube 100 influenceed to a certain extent by diaphragm and
Reduce.In order to which ensure central tube 100 goes out water speed, the outer surface of the tube wall of the central tube 100 is arranged with guiding gutter 20, and
The guiding gutter 20 also connects with pure water hole 10.
It should be noted that guiding gutter 20 has certain water-holding capacity, and guiding gutter 20 is to connect with pure water hole 10
Set, this water allowed in guiding gutter 20 can flow to pure water hole 10；That is, the setting of guiding gutter 20 is equivalent to increasing
The big water inlet area in pure water hole 10, this assures the pure water water by pure water hole 10, and then can ensure central tube
100 go out water speed, that is, ensure that the pure water of RO membrane cartridges goes out water speed.
In addition, the setting of guiding gutter 20 can also reduce the consumption of the raw material for manufacturing center's pipe 100, so can also
Save the production cost of central tube 100.
The utility model on central tube 100 by setting pure water hole 10, and the outer surface of the tube wall in central tube 100 is recessed
If the guiding gutter 20 connected with pure water hole 10, the guiding gutter 20 has certain water-holding capacity, and the pure water in guiding gutter 20
It can be entered to by pure water hole 10 in central tube 100, so ensure that the pure water water entered in central tube 100, from
And the water speed that goes out of the central tube 100 is ensure that, while also ensure that the pure water of RO membrane cartridges goes out water speed.
In order to facilitate the manufacturing of central tube 100, in an embodiment of the present utility model, pure water hole 10 is arranged at
The bottom land of guiding gutter 20, that is to say, that pure water hole 10 is set through the bottom land of guiding gutter 20.Because central tube 100 is to pass through
Mold injection molding, DI is arranged to the bottom land of guiding gutter 20, this allows for being used to manufacture guiding gutter 20 and pure water hole
10 core rod can be integrated in one, and be arranged such the number of pumping mode core when can reduce mould die sinking, and then be advantageous in raising
The production efficiency of heart pipe 100.
Certainly, the pure water hole 10 can also be opened in the bottom land of guiding gutter 20 in other way, such as pass through drilling
Machine drill hole is formed, and because guiding gutter 20 has certain depth, this allows for tube wall of the bottom land with central tube 100 of guiding gutter 20
Inner surface between spacing be less than central tube 100 tube wall inner surface and its outer surface between spacing, by pure water hole
10 bottom lands for being opened in guiding gutter 20 can shorten the drilling depth of drilling machine, and this facilitates opening up for pure water hole 10, Jin Eryou
Beneficial to the production efficiency for improving central tube 100.
It should be noted that in order to ensure the water speed that goes out of central tube 100, would generally be set on central tube 100 multiple pure
Water hole 10, the quantity of guiding gutter 20 on central tube 100 can also be set according to actual conditions, such as a guiding gutter 20 corresponding one is pure
Water hole 10 is set or two or more corresponding pure water hole 10 of a guiding gutter 20 is set, and is not done herein specific
Restriction.
In order to facilitate the manufacturing, in an embodiment of the present utility model, by the corresponding multiple pure water holes of a guiding gutter 20
10 are set.Specifically, axially extending setting of the guiding gutter 20 along central tube 100；Multiple pure water holes 10 on central tube 100
The bottom land of guiding gutter 20 is then distributed in along the axially spaced-apart of central tube 100.It is arranged such, on the one hand reduces guiding gutter 20
Quantity, and then the structure of central tube 100 is simplified, there is the manufacturing for being easy to central tube 100；On the other hand, by multiple pure water
Hole 10 may be contained within the bottom land of guiding gutter 20, can so simplify the structure of the mould for production center pipe 100, and then reduce
The manufacture difficulty of mould, be advantageous to save the expense for being used for manufacturing mould.
Further, the central tube 100 is provided with multiple guiding gutters 20 along its circumferentially-spaced distribution, accordingly, each
The bottom land of individual guiding gutter 20, which runs through, is provided with multiple pure water holes 10, and bearing of trend of multiple pure water holes 10 along guiding gutter 20
It is spaced apart.It is arranged such so that the water of the surrounding of central tube 100 can be entered in the guiding gutter 20 of respective side, and is passed through
Pure water hole 10 on the bottom land of the guiding gutter 20 of respective side is entered in central tube 100, pure in pure water passage so as to improve
The speed that water is entered in central tube 100.
And the outer surface of central tube 100 is also arranged with the link slot 30 along its circumferentially extending, and the link slot 30 will be multiple
Guiding gutter 20 connects, to allow the pure water in any one guiding gutter 20 to flow to other guiding gutters 20 by link slot 30
In, so avoid the pure water water in a certain guiding gutter 20 in multiple guiding gutters 20 it is more and when can not discharge in time,
It can be flowed to by link slot 30 in other guiding gutters 20, excessively be led so as to avoid the pure water accumulated in the guiding gutter 20
Cause the hydraulic pressure in the guiding gutter 20 excessive, and cause the diaphragm of the neighbouring guiding gutter 20 by the extruding of water and with the diaphragm of outer layer it
Between spacing reduce, and then cause diaphragm can not occur the problem of normal work.
Further, the link slot 30 of multiple circumferentially extendings along central tube 100 is provided with the central tube 100, and
Multiple link slots 30 along central tube 100 axially spaced-apart arrangement, each link slot 30 with multiple water guides on central tube 100
Groove 20 connects.It is arranged such, on the one hand ensure that the pure water inflow of central tube 100 everywhere is suitable, namely ensure that central tube
100 pure water water intake velocity everywhere is suitable, and so allowing for the pure water of central tube 100 everywhere can discharge in time, in avoiding
The problem of pure water of certain side of heart pipe 100 is stranded in pure water passage for a long time occurs；On the other hand central tube 100 4 is also caused
The hydraulic pressure size in week is appropriate, so avoids because certain hydraulic pressure in the outside of central tube 100 is too high, and causes to be located at central tube
The diaphragm in 100 outsides can not occur the problem of normal filtration water.
Obviously, in other embodiment of the present utility model, the guiding gutter 20 can also be along the axially extending of central tube 100
While, set in the shape of a spiral also along the circumferentially extending of central tube 100；Multiple pure water holes 10 are distributed in guiding gutter 20
Bottom land.It is arranged such, equally facilitates the manufacturing of central tube 100.
It should be noted that guiding gutter 20 is set up on central tube 100 can reduce the intensity of central tube 100, in order to ensure
The intensity of central tube 100, in an embodiment of the present utility model, the width of guiding gutter 20 is arranged to the aperture of pure water hole 10
1/2~2 times, the depth of guiding gutter 20 is arranged to 0~1/3 times of the pipe thickness of central tube 100.
Specifically, when the width of guiding gutter 20 is the 1/2 of the aperture of pure water hole 10, now the depth of guiding gutter 20 is preferably
The 1/3 of the pipe thickness of central tube 100.When 2 times that the width of guiding gutter 20 is the aperture of pure water hole 10, as long as now ensureing water guide
The depth of groove 20 is more than the diaphragm thickness of RO membrane cartridges.Preferably, the width of guiding gutter 20 is the 2 of the aperture of pure water hole 10
Times, the depth of guiding gutter 20 is preferably 1/3 times of the pipe thickness of central tube 100.
It should be noted that the water-holding capacity of guiding gutter 20 has certain relation with its volume, i.e. volume is bigger, guiding gutter
20 water-holding capacity is stronger.This allows for setting guiding gutter 20 on central tube 100, it is necessary to consider the volume of guiding gutter 20, i.e.,
The depth of guiding gutter 20 can be set according to the width of guiding gutter 20；It is of course also possible to set according to the depth of guiding gutter 20
The width of guiding gutter 20 is put, as long as ensureing that the volume of guiding gutter 20 is appropriate.Thus advantageously ensure that the storage of guiding gutter 20
Outlet capacity, so as to ensure the pure water water entered by pure water hole 10 in central tube 100, and then central tube can be ensured
100 go out water speed.
Obviously, in order to ensure the intensity of central tube 100, Fig. 2 is refer to, reinforcement can also be set on central tube 100
40.Specifically, the reinforcement 40 is convexly equipped in the bottom land of guiding gutter 20, and it is extended along the bearing of trend of guiding gutter 20.Need
It is noted that for tube wall of the bottom land of guiding gutter 20 compared to central tube 100, its thinner thickness, this allows for guiding gutter
20 bottom land intensity is weaker, and the bottom land in guiding gutter 20 sets up reinforcement 40, because reinforcement 40 increases to a certain extent
The thickness of the bottom land of guiding gutter 20, the bottom land intensity for so allowing for guiding gutter 20 are improved, and then cause whole center
The intensity of pipe 100 is improved.
It should be noted that the reinforcement 40 passes through mold injection preferably using setting is integrally formed with central tube 100
Shaping, in order to facilitate the die sinking of mould, in an embodiment of the present utility model, the width of the reinforcement 40 is from guiding gutter 20
Bottom land to the notch of guiding gutter 20 be in tapered setting.Specifically, the cross section of the width of the reinforcement 40 along guiding gutter 20
Triangular in shape or roughly triangular setting, does not do specific restriction herein.It is arranged such, facilitates the die sinking of mould, and then
It has been easy to the manufacturing of central tube 100.
The utility model also proposes a kind of RO membrane cartridges, and the RO membrane cartridges include central tube, the concrete structure of the central tube
With reference to above-described embodiment, because RO membrane cartridges employ whole technical schemes of above-mentioned all embodiments, therefore at least have upper
All beneficial effects caused by the technical scheme of embodiment are stated, this is no longer going to repeat them.
In an embodiment of the present utility model, the RO membrane cartridges include diaphragm, water inlet grid and pure water selvage guide, its
In, front or the reverse side doubling after its one end bypasses central tube of diaphragm, and rolled up along the circumferential of central tube to central tube
Outside；The front of diaphragm after doubling or reverse side form the pure water passage connected with central tube, the reverse side between adjacent diaphragms
Or enclosed between front and set to form intake tunnel；Water inlet grid is installed in intake tunnel, and pure water selvage guide is installed on pure water passage
It is interior.
The utility model also proposes a kind of water purifier, and the water purifier includes RO membrane cartridges, the concrete structure of the RO membrane cartridges
With reference to above-described embodiment, because this water purifier employs whole technical schemes of above-mentioned all embodiments, therefore at least have upper
All beneficial effects caused by the technical scheme of embodiment are stated, this is no longer going to repeat them.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of central tube, for RO membrane cartridges, it is characterised in that the central tube is provided with：
Pure water hole, the tube wall through the central tube are set；And
Guiding gutter, the outer surface of the recessed tube wall in the central tube, and connect setting with the pure water hole.
2. central tube as claimed in claim 1, it is characterised in that the pure water hole is set through the bottom land of the guiding gutter.
3. central tube as claimed in claim 2, it is characterised in that the guiding gutter is set along the axially extending of the central tube
Put；
The quantity in the pure water hole is multiple, and axially spaced-apart of multiple pure water holes along the central tube is distributed in institute
State the bottom land of guiding gutter.
4. central tube as claimed in claim 3, it is characterised in that the central tube is provided with along the multiple of its circumferentially-spaced distribution
Guiding gutter；
The outer surface of the tube wall of the central tube is also arranged with the link slot along its circumferentially extending, and the link slot is used for will be multiple
The guiding gutter connection.
5. central tube as claimed in claim 2, it is characterised in that the guiding gutter is along the axially extending same of the central tube
When, set in the shape of a spiral also along the circumferentially extending of the central tube；
The quantity in the pure water hole is multiple, and bearing of trend of multiple pure water holes along the guiding gutter is distributed in
The bottom land of the guiding gutter.
6. the central tube as described in any one in claim 1 to 5, it is characterised in that the width of the guiding gutter is described
1/2~2 times of pure water hole aperture, the depth of the guiding gutter are 0~1/3 times of the pipe thickness of the central tube.
7. the central tube as described in any one in claim 1 to 5, it is characterised in that the bottom land of the guiding gutter is convexly equipped with
Reinforcement.
8. central tube as claimed in claim 7, it is characterised in that the width of the reinforcement from the bottom land of the guiding gutter to
The notch of the guiding gutter is in tapered setting.
9. a kind of RO membrane cartridges, it is characterised in that including the central tube as described in any one in claim 1-8.
10. a kind of water purifier, it is characterised in that including RO membrane cartridges as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853759.3U CN207091063U (en) | 2017-07-13 | 2017-07-13 | Central tube, RO membrane cartridges and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853759.3U CN207091063U (en) | 2017-07-13 | 2017-07-13 | Central tube, RO membrane cartridges and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207091063U true CN207091063U (en) | 2018-03-13 |
Family
ID=61544513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720853759.3U Active CN207091063U (en) | 2017-07-13 | 2017-07-13 | Central tube, RO membrane cartridges and water purifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN207091063U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996615A (en) * | 2018-09-13 | 2018-12-14 | 珠海格力电器股份有限公司 | A kind of reverse osmosis membrane filter element and water purifier |
| CN109647215A (en) * | 2019-01-22 | 2019-04-19 | 浙江沁园水处理科技有限公司 | A kind of diaphragm structure of RO membrane filter |
| CN111115871A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN111115757A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | RO filter element group spare and have its composite filter, water treatment facilities |
| CN111115882A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
-
2017
- 2017-07-13 CN CN201720853759.3U patent/CN207091063U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996615A (en) * | 2018-09-13 | 2018-12-14 | 珠海格力电器股份有限公司 | A kind of reverse osmosis membrane filter element and water purifier |
| CN111115871A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN111115757A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | RO filter element group spare and have its composite filter, water treatment facilities |
| CN111115882A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN109647215A (en) * | 2019-01-22 | 2019-04-19 | 浙江沁园水处理科技有限公司 | A kind of diaphragm structure of RO membrane filter |
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