CN105498544A - A filter equipment that is used for center tube of filter core and has it - Google Patents
A filter equipment that is used for center tube of filter core and has it Download PDFInfo
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- CN105498544A CN105498544A CN201610021036.7A CN201610021036A CN105498544A CN 105498544 A CN105498544 A CN 105498544A CN 201610021036 A CN201610021036 A CN 201610021036A CN 105498544 A CN105498544 A CN 105498544A
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- semicanal
- engagement
- filter core
- central tube
- flow
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- 239000012528 membrane Substances 0.000 claims abstract description 64
- 230000003014 reinforcing effect Effects 0.000 claims description 90
- 230000013011 mating Effects 0.000 claims description 45
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 7
- 239000000565 sealant Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000001728 nano-filtration Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/107—Specific properties of the central tube or the permeate channel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0415—Details of supporting structures
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a central tube for a filter element and a filter device with the central tube, wherein the central tube comprises: the first half pipe is provided with a first matching surface extending along the axial direction of the first half pipe, and a first flow passage extending along the axial direction is formed by slotting on the first matching surface; the second half pipe is provided with a second matching surface extending along the axial direction of the second half pipe, a groove is formed in the second matching surface to form a second flow channel extending along the axial direction, the first half pipe and the second half pipe are in butt joint, the first matching surface is opposite to the second matching surface, and the first half pipe and the second half pipe are matched to form a hollow straight pipe shape; the membrane element is disposed between the first half pipe and the second half pipe and closes the first flow passage and the second flow passage, respectively. According to the central tube for the filter element, the structure of the central tube can be simplified, the die sinking of the central tube is facilitated, and therefore the mass production of the central tube is realized.
Description
Technical field
The present invention relates to purifier technical field, especially relate to a kind of central tube for filter core and there is its filter.
Background technology
Filtering technique in household water filter generally can be divided into micro-filtration, ultrafiltration, ion-exchange, absorption and counter-infiltration (RO)/nanofiltration (NF) technology, and the most crucial parts of RO/NF are RO/NF membrane components.RO/NF membrane component in use can produce condensed water, and pure water only accounts for into water about 30%, can produce larger waste.
Traditional membrane component water intake mode enters former water from the direction being parallel to pure water collection pipe (central tube) and goes out dense water, and runner is shorter.Realize by changing the flow direction of former water in membrane component in correlation technique, the flow direction of former water part or all perpendicular to central tube direction.Such as in the related, former water water inlet flow velocity direction is vertical with central tube with condensed water water outlet direction, but its special center tube structure cannot die sinking on household water filter, can not realize producing in batches.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the invention reside in and propose a kind of central tube for filter core, described center tube structure is simple, and die sinking is convenient, is suitable for mass production.
The present invention also proposes a kind of filter with above-mentioned central tube.
The central tube for filter core according to a first aspect of the present invention, comprise: the first semicanal, described first semicanal has along its axially extended first mating surface, and fluting forms the first flow extended vertically on described first mating surface, the first end of described first semicanal is closed and the second end has the first through hole be communicated with described first flow, and the sidewall of described first semicanal has the first via hole be communicated with described first flow; Second semicanal, described second semicanal has along its axially extended second mating surface, and fluting forms the second runner extended vertically on described second mating surface, the first end of described second semicanal is closed and the second end has the second through hole with described second flow passage, the sidewall of described second semicanal has the second via hole with described second flow passage, described first semicanal is with described second semicanal docking and described first mating surface is relative with described second mating surface, and described first semicanal and described second semicanal coordinate the straight tube-like forming hollow; Membrane component, described membrane component is located between described first semicanal and described second semicanal and also closes described first flow and described second runner respectively.
According to the central tube for filter core of the present invention, central tube is formed by adopting the first semicanal and the second semicanal to coordinate, and on the mating surface of the first semicanal and the second semicanal respectively fluting form first flow and the second runner, thus, can the structure of center of reduction pipe, be convenient to central tube die sinking, thus realize the batch production of central tube.
In some embodiments of the invention, in described first flow and described second runner, the inner surface of at least one is provided with the reinforcement only supporting described membrane component.
Further, the inner surface of described first flow is equipped with multiple first cross reinforcing group along perpendicular on relative both sides, the direction of its axis, and multiple first cross reinforcing group interlaced arrangement of relative both sides on the inner surface of described first flow.
Alternatively, the axis that the inner surface of described first flow is provided with along described first semicanal extends shaft orientation reinforcing rib, and multiple described first cross reinforcing group is arranged in the both sides of described shaft orientation reinforcing rib.
Further, each described first cross reinforcing group includes two the first cross reinforcings, and the distance that two described first cross reinforcings go up interval is in the axial direction not less than 2 millimeters.
Preferably, described first cross reinforcing group flushes with described first mating surface, and the free end of described first cross reinforcing has rounding.
In some embodiments of the invention, described first via hole is equipped with between two often adjacent in the axial direction the first cross reinforcing groups.
In some embodiments of the invention, the inner surface of described second runner is equipped with multiple second cross reinforcing group along perpendicular on relative both sides, the direction of its axis, and the multiple second cross reinforcing interlaced arrangement on both sides relative on the inner surface of described second runner.
Further, each described second cross reinforcing group includes two the second cross reinforcings, and the distance that two described second cross reinforcings go up interval is in the axial direction not less than 2 millimeters.
Preferably, described second cross reinforcing group flushes with described second mating surface, and the free end of described second cross reinforcing has rounding.
In some embodiments of the invention, described second via hole is equipped with between two often adjacent in the axial direction the second cross reinforcing groups.
In one embodiment of the invention, the two ends of described first semicanal are equipped with the first locating groove extended along its circumference, described first flow is between two described first locating grooves, the two ends of described second semicanal are equipped with the second locating groove extended along its circumference, and described second runner is between two described second locating grooves.
In one embodiment of the invention, distance between the two ends of described first flow and corresponding described first locating groove is in the scope of 10 millimeters to 20 millimeters, and the distance between the two ends of described second runner and corresponding described second locating groove is in the scope of 10 millimeters to 20 millimeters.
In one embodiment of the invention, in described first semicanal and described second semicanal, any one cross section is at least partially formed as semicircle, described first via hole is located on the arcwall face of described first semicanal, and described second via hole is located on the arcwall face of described second semicanal.
In one embodiment of the invention, the two ends of described first semicanal are respectively equipped with points of engagement and first time points of engagement on first, the two ends of described second semicanal are respectively equipped with points of engagement and second time points of engagement on second, on described first, in points of engagement and described second, points of engagement fastens, and described first time points of engagement and described second time points of engagement correspondence fasten.
Further, on described first, points of engagement and described first time points of engagement include along spaced apart two card convexs in direction perpendicular to described first semicanal axis, and on described second, points of engagement and described second time points of engagement include two draw-in grooves be located at perpendicular to the both sides on the direction of its axis in described second pipe portion.
Preferably, points of engagement is not identical with described first time points of engagement size in the axial direction on described first.
In one embodiment of the invention, on described first semicanal, two ends are vertically equipped with the boss protruding described first mating surface, and on described first, points of engagement and described first time points of engagement are arranged on described boss.
In one embodiment of the invention, described first semicanal comprises main body and is located at the first cylinder and second cylinder at described main body two ends, form described first through hole in described first cylinder, described second semicanal coordinates with described main body and between described first cylinder and described second cylinder.
In one embodiment of the invention, the first end of described first semicanal is provided with and extends vertically and first locating hole isolated with described first flow, and the first end of described second semicanal is provided with and extends vertically and second locating hole isolated with described second runner.
Filter according to a second aspect of the present invention, comprising: central tube, and described central tube is the central tube for filter core according to a first aspect of the present invention; Upper end cover, described upper end cover is provided with the first mozzle and the second mozzle, described upper end cover is connected with the second end of described second semicanal with the second end of described first semicanal respectively, and described first mozzle is plugged in described first through hole, described second mozzle is plugged in described second through hole; Bottom end cover, described first semicanal is connected with described bottom end cover respectively with the first end of described second semicanal.
According to filter of the present invention, by arranging the central tube for filter core of above-mentioned first aspect, thus improve the overall performance of filter.
In one embodiment of the invention, the first end of described first semicanal is provided with and extends vertically and first locating hole isolated with described first flow, the first end of described second semicanal is provided with and extends vertically and second locating hole isolated with described second runner, described bottom end cover is provided with the first positioning pipe and the second positioning pipe, described first positioning pipe is plugged in described first locating hole, and described second positioning pipe is plugged in described second locating hole.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the central tube for filter core according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the first semicanal shown in Fig. 1;
Fig. 3 is the sectional view along A-A line in Fig. 2;
Fig. 4 is the top view of the first semicanal shown in Fig. 2;
Fig. 5 is the schematic diagram of the second semicanal shown in Fig. 1;
Fig. 6 is the sectional view along B-B line in Fig. 5;
Fig. 7 is the schematic diagram of another angle of the second semicanal shown in Fig. 5;
Fig. 8 is that the central tube shown in Fig. 1 is along the schematic diagram after the first locating groove and the cutting of the second locating groove;
Fig. 9 is the sectional view of the central tube shown in Fig. 8;
Figure 10 is the top view of the central tube shown in Fig. 8;
Figure 11 is the schematic diagram of the upper end cover of filter according to the embodiment of the present invention;
Figure 12 is the sectional view of the upper end cover shown in Figure 11;
Figure 13 is the upward view of the upper end cover shown in Figure 11;
Figure 14 is the schematic diagram of the bottom end cover of filter according to the embodiment of the present invention;
Figure 15 is the sectional view of the bottom end cover shown in Figure 14.
Reference numeral:
Central tube 100,
First semicanal 1,
Main body 11, first flow 111, the first via hole 112,
First cross reinforcing group 113, first cross reinforcing 1131, shaft orientation reinforcing rib 114, the first locating groove 115,
Card convex 116, boss 117, the first groove 118,
First cylinder 12, first through hole 121, locating slot 122,
Second cylinder 13, first locating hole 131, frock bayonet socket 132,
Second semicanal 2,
Second runner 21, second through hole 22, second via hole 23, second cross reinforcing group 24, second cross reinforcing 241,
Second locating groove 25, draw-in groove 26, the second locating hole 27, second groove 28,
Membrane component 3,
Upper end cover 200, the first mozzle 201, second mozzle 202, locating flange 203, the first limit rib 204, annular seal groove 205,
Bottom end cover 300, the first positioning pipe 301, second positioning pipe 302, second limit rib 303, flexible positioning piece 304.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
The central tube 100 for filter core of embodiment is according to a first aspect of the present invention described below with reference to Fig. 1-Figure 15.
As shown in Figure 1, the central tube 100 for filter core of embodiment according to a first aspect of the present invention, comprising: the first semicanal 1, second semicanal 2 and membrane component 3.
Particularly, as shown in Figures 2 and 3, the first semicanal 1 has along its axially extended first mating surface, and on the first mating surface, fluting forms the first flow 111 extended vertically, thus, and can so that the first semicanal 1 realizes die sinking production.The first end (lower end of the first semicanal 1 such as shown in Fig. 3) of the first semicanal 1 closes and the sidewall that the second end (upper end of the first semicanal 1 such as shown in Fig. 3) has the first through hole 121, first semicanal 1 be communicated with first flow 111 has the first via hole 112 be communicated with first flow 111.Like this, fluid can be collected through the first via hole 112 and flow in first flow 111, finally flows out in the first through hole 121; Certainly, fluid also can be collected through the first through hole 121 and flow in first flow 111, finally flows out in the first via hole 112.
As shown in Figure 5-Figure 7, the second semicanal 2 has along its axially extended second mating surface, and on the second mating surface, fluting forms the second runner 21 extended vertically, thus, and can so that the second semicanal 2 realizes die sinking production.The first end (lower end of the second semicanal 2 such as shown in Fig. 6) of the second semicanal 2 closes and the sidewall that the second end (upper end of the second semicanal 2 such as shown in Fig. 6) has the second through hole 22, second semicanal 2 be communicated with the second runner 21 has the second via hole 23 be communicated with the second runner 21.Like this, fluid can be collected in inflow second runner 21 through the second via hole 23, finally flows out in the second through hole 22; Certainly, fluid also can be collected in inflow second runner 21 through the second through hole 22, finally flows out in the second via hole 23.
As shown in Figure 1, the first semicanal 1 docks with the second semicanal 2 and the first mating surface is relative with the second mating surface, and the first semicanal 1 and the second semicanal 2 coordinate the straight tube-like forming hollow; Membrane component 3 is located between the first semicanal 1 and the second semicanal 2 and also closes first flow 111 and the second runner 21 respectively.
When central tube 100 works, one of them in first semicanal 1 and the second semicanal 2 is for collecting penetrant (pure water after such as filtering), and another is for collecting concentrate (impurity such as filtered out) or flowing into unfiltered fluid (such as former water).In central tube 100, former water and pure water all flow along the direction perpendicular to the first semicanal 1 and the second semicanal 2, to avoid occurring changing due to water (flow) direction the counter productive brought.
According to the central tube 100 for filter core of the embodiment of the present invention, central tube 100 is formed by adopting the first semicanal 1 and the second semicanal 2 to coordinate, and on the mating surface of the first semicanal 1 and the second semicanal 2 respectively fluting form first flow 111 and the second runner 21, thus, can the structure of center of reduction pipe 100, be convenient to central tube 100 die sinking, thus realize the batch production of central tube 100.
In one embodiment of the invention, with reference to Fig. 2 and Fig. 5, in first flow 111 and the second runner 21, at least one inner surface can be provided with the reinforcement only supporting membrane component 3, that is, the reinforcement only supporting membrane component 3 only can be provided with in first flow 111, also only can be provided with the reinforcement only supporting membrane component 3 in the second runner 21, the reinforcement only supporting membrane component 3 can also be equipped with in first flow 111 and the second runner 21.Thus, reinforcement not only can be played a supporting role to the membrane component 3 between the first semicanal 1 and the second semicanal 2 mating surface, and reinforcement can also improve the intensity of the first semicanal 1 and the second semicanal 2 simultaneously.
Such as in the example shown in Fig. 2 and Fig. 5, the reinforcement only supporting membrane component 3 is all set, with support membrane element 3 and the bulk strength improving the first semicanal 1 and the second semicanal 2 in the inner surface of first flow 111 and the second runner 21.
In one embodiment of the invention, as shown in Figure 2, the inner surface of first flow 111 is equipped with multiple first cross reinforcing group 113 along perpendicular on relative both sides, the direction of its axis, and on the inner surface of first flow 111, multiple first cross reinforcing groups 113 of relative both sides can interlaced arrangement.Thus, can ensure, under the prerequisite that first flow 111 is unimpeded, fully to support the membrane component 3 between the first mating surface and the second mating surface.
Further, as shown in Figure 2, the axis (above-below direction such as shown in Fig. 2) that the inner surface of first flow 111 can be provided with along the first semicanal 1 extends shaft orientation reinforcing rib 114, and multiple first cross reinforcing group 113 is arranged in the both sides of shaft orientation reinforcing rib 114.Thus, the support effect to membrane component 3 can be improved further, improve the intensity of the first semicanal 1.
Preferably, the free end (the inner of the shaft orientation reinforcing rib 114 such as shown in Fig. 2) of shaft orientation reinforcing rib 114 can have rounding, thus, shaft orientation reinforcing rib 114 can under the prerequisite of support membrane element 3, reduce the flow resistance of fluid in first flow 111, ensure that first flow 111 is unimpeded, can also avoid damaging membrane component 3 simultaneously.
Preferably, as shown in Figure 2, each first cross reinforcing group 113 all can comprise two the first cross reinforcings 1131, and the distance that two the first cross reinforcings 1131 go up interval is in the axial direction not less than 2 millimeters.Thus, under the prerequisite of guarantee first semicanal 1 intensity, can reduce the flow resistance of fluid in first flow 111, ensure that first flow 111 is unimpeded, all right even support membrane component 3, makes membrane component 3 stressed more even simultaneously.
Preferably, as shown in Figure 3, first cross reinforcing group 113 can flush with the first mating surface, and the free end of the first cross reinforcing 1131 (the inner of the first cross reinforcing 1131 such as shown in Fig. 2) can have rounding, thus, first cross reinforcing 1131 under the prerequisite of support membrane element 3, can be avoided damaging membrane component 3, makes the structure of the first semicanal 1 more reasonable.
Preferably, the thickness of shaft orientation reinforcing rib 114 and the first cross reinforcing 1131 can at 1 millimeter within the scope of 2 millimeters, under support membrane element 3 and the prerequisite improving the first semicanal 1 intensity, the flow resistance of fluid in first flow 111 can be reduced thus, ensure that first flow 111 is unimpeded.
In one embodiment of the invention, as shown in Figure 2, the first via hole 112 is equipped with between two the first cross reinforcing groups 113 often adjacent on axial (above-below direction such as shown in Fig. 2), can, under the prerequisite of raising first semicanal 1 intensity, the first via hole 112 be distributed more evenly rationally thus.
In one embodiment of the invention, as shown in Figure 5, the inner surface of the second runner 21 is equipped with multiple second cross reinforcing group 24 along perpendicular on relative both sides, the direction of its axis, and multiple second cross reinforcings 241 on both sides relative on the inner surface of the second runner 21 can interlaced arrangement.Thus, under the unimpeded prerequisite of guarantee second runner 21, the membrane component 3 between the first mating surface and the second mating surface can fully be supported.
Further, as shown in Figure 5, each second cross reinforcing group 24 all can comprise two the second cross reinforcings 241, and the distance that two the second cross reinforcings 241 go up interval is in the axial direction not less than 2 millimeters.Thus, under the prerequisite of guarantee second semicanal 2 intensity, can reduce the flow resistance of fluid in the second runner 21, ensure that the second runner 21 is unimpeded, all right even support membrane component 3, makes membrane component 3 stressed more even simultaneously.
Preferably, as shown in Figure 6, the second cross reinforcing group 24 can flush with the second mating surface, and the free end of the second cross reinforcing 241 (the inner of the second cross reinforcing 241 such as shown in Fig. 5) can have rounding.Thus, the second cross reinforcing 241 under the prerequisite of support membrane element 3, can be avoided damaging membrane component 3, makes the structure of the second semicanal 2 more reasonable.
Preferably, the thickness of the second cross reinforcing 241 at 1 millimeter within the scope of 2 millimeters, under support membrane element 3 and the prerequisite improving the second semicanal 2 intensity, can reduce the flow resistance of fluid in the second runner 21, ensures that the second runner 21 is unimpeded thus.
In one embodiment of the invention, as shown in Figure 5, the second via hole 23 is equipped with between two often adjacent on axial (above-below direction such as shown in Fig. 5) the second cross reinforcing groups 24.Can, under the prerequisite of raising second semicanal 2 intensity, the second via hole 23 be distributed more even, reasonable thus.
In one embodiment of the invention, as shown in Figure 1, the two ends of the first semicanal 1 can be equipped with the first locating groove 115 extended along its circumference, first flow 111 is between two the first locating grooves 115, the two ends of the second semicanal 2 are equipped with along its circumferential the second locating groove 25, second runner 21 extended between two the second locating grooves 25.After the first semicanal 1 and the second semicanal 2 have assembled, the first locating groove 115 is concordant with the second locating groove 25.Thus, by utilizing the first locating groove 115 and the second locating groove 25 to locate, can so that the rolling of membrane component 3, that improves membrane component 3 rolls efficiency, also limits the final size of membrane component 3 simultaneously.In addition, after membrane component 3 has rolled, the unnecessary part of central tube 100 can have been excised along the first locating groove 115 and the second locating groove 25, thus entered next step assembly process.
Further, as shown in Figure 2 and Figure 5, distance between the two ends of first flow 111 and the first corresponding locating groove 115 can in the scope of 10 millimeters to 20 millimeters, and the distance between the two ends of the second runner 21 and the second corresponding locating groove 25 can in the scope of 10 millimeters to 20 millimeters.The intensity of the first semicanal 1 and the second semicanal 2 can be improved thus, make the structure of the first semicanal 1 and the second semicanal 2 more reasonable.
Here, it should be noted that, due in the process of assembling, after rolling membrane component 3, first locating groove 115 and the second locating groove about 25 two ends are assembled after needing excision again, like this, by the first locating groove 115 and the second locating groove 25 and reserved certain clearance distance between first flow 111 and the second runner 21, the intensity of the end of the first semicanal 1 after cutting and the second semicanal 2 can be improved, improve the service life of central tube 100.
In one embodiment of the invention, with reference to Fig. 2 and Fig. 5, in the first semicanal 1 and the second semicanal 2, any one cross section at least partially can be formed as semicircle, that is, the cross section of the first semicanal 1 partly can be formed as semicircle, also all can be formed as semicircle; The cross section of the second semicanal 2 partly can be formed as semicircle, also all can be formed as semicircle.First via hole 112 can be located on the arcwall face of the first semicanal 1, and the second via hole 23 can be located on the arcwall face of the second semicanal 2.Thus, by the cooperation of the first semicanal 1 and the second semicanal 2, central tube 100 can be made to form the straight tube-like of hollow.
Such as in the example shown in Fig. 2 and Fig. 5, the cross section of the interlude of the first semicanal 1 is formed as semicircle, and the gross section of the second semicanal 2 is formed as semicircle.Be formed as after semicircular cross section coordinates when the first semicanal 1 and the second semicanal 2, circular configuration can be formed as, with cylindrical central pipe 100 similar of traditional structure, so that assembling, also can coordinate with the equipment of other traditional structures better thus.
In one embodiment of the invention, as shown in Figure 1, the two ends of the first semicanal 1 can be respectively equipped with points of engagement and first time points of engagement on first, the two ends of the second semicanal 2 can be respectively equipped with points of engagement and second time points of engagement on second, on first points of engagement can with second on points of engagement fasten, first time points of engagement can fasten with second time points of engagement correspondence, first semicanal 1 and the second semicanal 2 can be assembled together thus, improve efficiency of assembling and the assembly precision of the first semicanal 1 and the second semicanal 2.
Further, as shown in Figure 1, on first, points of engagement and first time points of engagement all can comprise along spaced apart two card convexs 116 in direction perpendicular to the first semicanal 1 axis, and on second, points of engagement and second time points of engagement all can comprise two draw-in grooves 26 be located at perpendicular to the both sides on the direction of its axis in the second pipe portion.Thus, by coordinating of card convex 116 and draw-in groove 26, not only can improve assembly precision and the efficiency of assembling of the first semicanal 1 and the second semicanal 2 further, the reliability that the first semicanal 1 is connected with the second semicanal 2 can also be improved.
Preferably, with reference to Fig. 1, on first, the size of points of engagement and first time points of engagement (above-below direction such as shown in Fig. 1) in the axial direction can not be identical, fool proof when the first semicanal 1 and the second semicanal 2 assemble can be realized thus, avoid points of engagement and first time points of engagement on first to fill by mistake.
Alternatively, as shown in Figure 2 and Figure 5, points of engagement can be formed with the first groove 118 on first, points of engagement can be formed with the second groove 28 on second, thus, can so that in the process of assembling, to identify fast on first points of engagement and second time points of engagement in points of engagement and first time points of engagement and second, prevent wrongly installed, improve efficiency of assembling.
In one embodiment of the invention, as shown in Figure 1, on the first semicanal 1, two ends vertically all can be provided with the boss 117 of protrusion first mating surface, and on first, points of engagement and first time points of engagement are arranged on boss 117.Thus can so that the first semicanal 1 can form gap after coordinating with the second semicanal 2, so that assembling membrane component 3.
Preferably, as shown in Figure 1, along the axis direction perpendicular to the first semicanal 1, card convex 116 protrudes the height of boss 117 can in the scope of 1 millimeter to 2 millimeters, thus can under the prerequisite forming membrane component 3 fit-up gap, avoid the spacing between the first mating surface and the second mating surface excessive, thus make the structure of central tube 100 more reasonable.
In one embodiment of the invention, as shown in Figure 1, first semicanal 1 can comprise main body 11 and be located at first cylinder 12 and second cylinder 13 at main body 11 two ends, the first through hole 121, second semicanal 2 can be formed in first cylinder 12 can to coordinate with main body 11 and between the first cylinder 12 and the second cylinder 13.Like this, when rolling membrane component 3, rolling in machinery by utilizing the first cylinder 12 and the second cylinder 13 central tube 100 can be arranged on reposefully, the mechanization production rolling membrane component 3 can be realized thus, enhance productivity.
Further, as shown in Figure 4, the internal perisporium of the first through hole 121 can be formed along the axially extended locating slot 122 of the first through hole 121, thus, in the process that the miscellaneous parts such as the first semicanal 1 and joint are installed, locating slot 122 so that location when connecting, simultaneously can also carry out Division identification with the second semicanal 2, prevent mispairing.
In one embodiment of the invention, as shown in Figure 3 and Figure 6, the first end (lower end of the first semicanal 1 such as shown in Fig. 3) of the first semicanal 1 can be provided with vertically (above-below direction such as shown in Fig. 3) and extend and first locating hole 131 isolated with first flow 111, the first end (lower end of the second semicanal 2 such as shown in Fig. 6) of the second semicanal 2 is provided with vertically (above-below direction such as shown in Fig. 6) and extends and second locating hole 27 isolated with the second runner 21, thus, coordinate with outer member by utilizing the first locating hole 131 and the second locating hole 27, can be fixed central tube 100, improve the reliability that central tube 100 is installed.
Alternatively, as shown in Figure 2, at the first end (lower end of the first semicanal 1 such as shown in Fig. 2) of the first semicanal 1, frock bayonet socket 132 can also be set, thus, when rolling membrane component 3, frock bayonet socket 132 may be used for central tube 100 and is mechanically connected with volume film, central tube 100 is fixed on volume film mechanically, and transmits the power of scrolling.
In some embodiments of the invention, after rolling membrane component 3, according to the central tube 100 of the embodiment of the present invention, can cut along the first locating groove 115 and the second locating groove 25.Such as, centered by Fig. 1 pipe 100 do not cut before schematic diagram, centered by Fig. 8-Figure 10, pipe 100 is after rolling membrane component 3, along the first locating groove 115 and the second locating groove 25 cutting after structural representation.
Particularly, with reference to Fig. 8-Figure 10, membrane component 3 is between the first mating surface and the second mating surface, and first flow 111 and the second runner 21 are separated, wherein first flow 111 is communicated with the first via hole 112 with the first through hole 121 respectively, and the second runner 21 is communicated with the second through hole 22 with the second via hole 23 respectively, thing is oozed in one of them collection in first flow 111 and the second runner 21, and another is collected concentrate or unfiltered fluid is flowed into membrane component 3.Locating slot 122 is had, so that distinguish the first semicanal 1 and the second semicanal 2 in the first through hole 121 after cutting; First through hole 121 of cutting mouth can be connected to extend runner with the second through hole 22 with external fluid element, also can be fixed central tube 100; The first locating hole 131 after cutting and the second locating hole 27 can coordinate with outer member, are fixed central tube 100.
The filter of embodiment according to a second aspect of the present invention, comprises upper end cover 200, bottom end cover 300 and the central tube 100 for filter core according to the above-mentioned first aspect embodiment of the present invention.
Particularly, as shown in figure 12, upper end cover 200 is provided with the first mozzle 201 and the second mozzle 202, upper end cover 200 is connected with second end (upper end of the second semicanal 2 such as shown in Fig. 9) of the second semicanal 2 with second end (upper end of the first semicanal 1 such as shown in Fig. 9) of the first semicanal 1 respectively, and the first mozzle 201 is plugged in the first through hole 121, the second mozzle 202 is plugged in the second through hole 22.Thus, by utilizing upper end cover 200 not only by the second runner 21 extension of the first flow 111 of the first semicanal 1 and the second semicanal 2, can also play fixing restriction to the first semicanal 1 and the second position of semicanal 2 in membrane component 3.Second end of the first semicanal 1 and the second semicanal 2 lower end of the second semicanal 2 (first semicanal 1 such as shown in Fig. 9 with) is connected with bottom end cover 300, respectively with fixed center pipe 100.
According to the filter of the embodiment of the present invention, by arranging the central tube 100 for filter core of above-mentioned first aspect embodiment, thus improve the overall performance of filter.
In one embodiment of the invention, as shown in figure 13, the periphery wall of the first mozzle 201 can be formed and coordinate the locating flange 203 of locating with the locating slot 122 in the first through hole 121, by closely cooperating of locating flange 203 and locating slot 122, error-proof structure can be formed, being convenient to identify the first through hole 121 and the second through hole 22 fast when operating, preventing mispairing, improving efficiency of assembling.
Alternatively, as shown in figure 13, the roof of upper end cover 200 can be formed with the first limit rib 204, first limit rib 204 to may be used for limiting fluid sealant, sealing after guarantee membrane component 3 coordinates with upper end cover 200, can also improve the efficiency of membrane component 3 sealing process simultaneously.
Alternatively, as shown in figure 11, the periphery wall on the top of upper end cover 200 can be formed and be convenient to assemble the annular seal groove 205 used.
In one embodiment of the invention, with reference to Fig. 9 and in conjunction with Figure 15, the first end (lower end of the first semicanal 1 such as shown in Fig. 9) of the first semicanal 1 can be provided with vertically (above-below direction such as shown in Fig. 9) and extend and first locating hole 131 isolated with first flow 111, the first end (lower end of the second semicanal 2 such as shown in Fig. 9) of the second semicanal 2 can be provided with vertically (above-below direction such as shown in Fig. 9) and extend and second locating hole 27 isolated with the second runner 21, bottom end cover 300 is provided with the first positioning pipe 301 and the second positioning pipe 302, first positioning pipe 301 is plugged in the first locating hole 131, second positioning pipe 302 is plugged in the second locating hole 27.Thus, bottom end cover 300 and the first semicanal 1 and the second semicanal 2 not only can be made to be formed and to closely cooperate, can also play central tube 100 and limit fixing effect.
Further, as shown in figure 14, first positioning pipe 301 and the second positioning pipe 302 can about the central point of bottom end cover 300, like this, when assembling bottom end cover 300, first positioning pipe 301 also can insert in the second locating hole 27, and the second positioning pipe 302 can insert in the first locating hole 131, can improve efficiency of assembling thus.
In one embodiment of the invention, as shown in figure 14, the diapire of bottom end cover 300 can be formed with multiple second limit rib 303, second limit rib 303 may be used for limiting fluid sealant, sealing after guarantee membrane component 3 coordinates with bottom end cover 300, can also improve the efficiency of membrane component 3 sealing process simultaneously.
In one embodiment of the invention, as shown in figure 14, the periphery wall of bottom end cover 300 is formed with multiple flexible positioning piece 304, multiple flexible positioning piece 304 is along the circumferential uniform intervals distribution of bottom end cover 300, flexible positioning piece 304 has certain elasticity transversal deformability, can ensure the assembling of bottom end cover 300 thus.
Below with reference to Fig. 1-Figure 15, the filter according to the present invention's specific embodiment is described.
Filter comprises central tube 100, upper end cover 200 and bottom end cover 300.
Particularly, as shown in Figure 1, central tube 100 is formed as the cylindrical structural of the first semicanal 1 and the second semicanal 2 composition, and membrane component 3 is located between the first semicanal 1 and the second semicanal 2.
As shown in Figure 2, first semicanal 1 comprises main body 11 and is located at first cylinder 12 and second cylinder 13 at main body 11 two ends, the cross section of main body 11 is formed as semicircle and has along its axially extended first mating surface, and on the first mating surface, fluting is formed with the first flow 111 extended vertically.The inner surface of first flow 111 is provided with shaft orientation reinforcing rib 114 and multiple first cross reinforcing group 113, the both sides interlaced arrangement of multiple first cross reinforcing group 113 reinforcement 114 vertically.The spacing that each first cross reinforcing group 113 includes two contiguous the first cross reinforcing 1131, two the first cross reinforcings 1131 arranged is not less than 2mm.The width of the first cross reinforcing 1131 and shaft orientation reinforcing rib 114 is all between 1mm ~ 2mm, and the free end of the first cross reinforcing 1131 and shaft orientation reinforcing rib 114 has rounding.
As shown in figs 2-4, on the sidewall of the first semicanal 1, be equipped with the first via hole 112, first via hole 112 between often adjacent two the first cross reinforcing groups 113 and be communicated with first flow 111.The upper end of the first semicanal 1 is formed runs through the first cylinder 12 and the first through hole 121 be communicated with first flow 111.The internal perisporium of the first through hole 121 is formed along its axially extended locating slot 122.The lower end that the lower end of the first semicanal 1 is formed with isolated first locating hole 131, first semicanal 1 with first flow 111 is formed central tube 100 to be mounted to further rolls up film frock bayonet socket 132 mechanically.
As shown in Figures 2 and 3, the two ends of the first semicanal 1 are all formed with the first locating groove 115 extended along its circumference, first flow 111 is between two the first locating grooves 115, and the distance between the two ends of first flow 111 and the first corresponding locating groove 115 is between 10mm ~ 20mm.The two ends of main body 11 are equipped with the boss 117 of protrusion first mating surface, and on first, points of engagement and first time points of engagement are respectively formed on the boss 117 at upper and lower two ends.On first, points of engagement and first time points of engagement are all formed with two spaced card convexs 116, card convex 116 is protruded boss 117 and is exceeded 1mm ~ 2mm, and on first, the card convex 116 of points of engagement is different with card convex 116 size of first time points of engagement.On first, points of engagement is formed with further the first groove 118 being convenient to identify assembling fast.
As shown in Figure 5-Figure 7, the cross section of the second semicanal 2 is formed as semicircle and has along its axially extended second mating surface, and on the second mating surface, fluting is formed with the second runner 21 extended vertically.The inner surface of the second runner 21 is provided with multiple second cross reinforcing group 24, the both sides interlaced arrangement that multiple second cross reinforcing group 24 is relative along the direction perpendicular to its axis.Each second cross reinforcing group 24 includes two contiguous the second cross reinforcings 241 arranged, the spacing of two the second cross reinforcings 241 is not less than 2mm, and the width of the second cross reinforcing 241 is all between 1mm ~ 2mm and its free end has rounding.
As shown in Figure 6, on the sidewall of the second semicanal 2, be equipped with the second via hole 23, second via hole 23 between often adjacent two the second cross reinforcing groups 24 and be communicated with the second runner 21.The upper end of the second semicanal 2 is formed with the second through hole 22 be communicated with the second runner 21.The lower end of the second semicanal 2 is formed with isolated second locating hole 27 with the second runner 21.
As shown in Figure 5, the two ends of the second semicanal 2 are all formed and extend and the second locating groove 25 relative with the first locating groove 115 along its circumference, second runner 21 is between two the second locating grooves 25, and the distance between the two ends of the second runner 21 and the second corresponding locating groove 25 is between 10mm ~ 20mm.The two ends of the second semicanal 2 are formed with points of engagement and second time points of engagement on second, on second, points of engagement and second time points of engagement are formed with the draw-in groove 26 engaged with card convex 116.As shown in Figure 7, points of engagement is formed with further on second the second groove 28 being convenient to identify assembling fast.
As shown in figures 11-13, the roof of upper end cover 200 is provided with the first mozzle 201 and the second mozzle 202 to downward-extension, the periphery wall of the first mozzle 201 is provided with locating flange 203, the roof of upper end cover 200 is provided with further the first limit rib 204 for limiting fluid sealant.The periphery wall of upper end cover 200 is formed and is convenient to assemble the annular seal groove 205 used.
As shown in Figure 14 and Figure 15, the diapire of bottom end cover 300 is provided with the first positioning pipe 301 and the second positioning pipe 302, first positioning pipe 301 and the second positioning pipe 302 that upwards extend about central point.The diapire of bottom end cover 300 is formed with multiple the second limit rib 303 for limiting fluid sealant.The periphery wall of bottom end cover 300 is formed with the flexible positioning piece 304 of multiple its assembling of guarantee.
In the process of assembling, first by points of engagement on points of engagement on first and second and first time points of engagement and second time points of engagement card and, now, the first locating groove 115 is concordant with the second locating groove 25.First semicanal 1 and the second semicanal 2 are arranged on volume film mechanically, membrane component 3 are rolled between the first mating surface and the second mating surface, and membrane component 3 is covered between the first locating groove 115 and the second locating groove 25 completely.After membrane component 3 has rolled, cut central tube 100 along the first locating groove 115 and the second locating groove 25.Fig. 8-Figure 10 is the structural representation that membrane component 3 has rolled the central tube 100 after rear cutting.
Filling with sealant on the roof of upper end cover 200 and the diapire of bottom end cover 300, first mozzle 201 of upper end cover 200 and the second mozzle 202 are inserted respectively in the first through hole 121 shown in Fig. 9 and the second through hole 22, now, locating flange 203 outside first mozzle 201 coordinates with the locating slot 122 in the first through hole 121, and utilize fluid sealant to be fixed on central tube 100 by upper end cover 200, complete the sealing process of the upper end to membrane component 3.First positioning pipe 301 of bottom end cover 300 and the second positioning pipe 302 are inserted respectively in the first locating hole 131 shown in Fig. 9 and the second locating hole 27, utilize fluid sealant to be fixed on central tube 100 by bottom end cover 300, thus complete the sealing process of the lower end of membrane component 3.
According to the filter of the embodiment of the present invention, by adopting the central tube 100 having the first semicanal 1 and the second semicanal 2 to combine, thus can the structure of center of reduction pipe 100, be convenient to the die sinking of central tube 100, realize the batch production of central tube 100, thus improve the production efficiency of central tube 100.In addition, central tube 100 according to the present invention is suitable for being arranged on and rolls mechanically, can realize the mechanization production that membrane component 3 rolls thus, and that improves membrane component 3 rolls efficiency.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection, can also be communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (22)
1. for a central tube for filter core, it is characterized in that, comprising:
First semicanal, described first semicanal has along its axially extended first mating surface, and fluting forms the first flow extended vertically on described first mating surface, the first end of described first semicanal is closed and the second end has the first through hole be communicated with described first flow, and the sidewall of described first semicanal has the first via hole be communicated with described first flow;
Second semicanal, described second semicanal has along its axially extended second mating surface, and fluting forms the second runner extended vertically on described second mating surface, the first end of described second semicanal is closed and the second end has the second through hole with described second flow passage, the sidewall of described second semicanal has the second via hole with described second flow passage, described first semicanal is with described second semicanal docking and described first mating surface is relative with described second mating surface, and described first semicanal and described second semicanal coordinate the straight tube-like forming hollow;
Membrane component, described membrane component is located between described first semicanal and described second semicanal and also closes described first flow and described second runner respectively.
2. the central tube for filter core according to claim 1, is characterized in that, in described first flow and described second runner, the inner surface of at least one is provided with the reinforcement only supporting described membrane component.
3. the central tube for filter core according to claim 2, it is characterized in that, the inner surface of described first flow is equipped with multiple first cross reinforcing group along perpendicular on relative both sides, the direction of its axis, and multiple first cross reinforcing group interlaced arrangement of relative both sides on the inner surface of described first flow.
4. the central tube for filter core according to claim 3, it is characterized in that, the axis that the inner surface of described first flow is provided with along described first semicanal extends shaft orientation reinforcing rib, and multiple described first cross reinforcing group is arranged in the both sides of described shaft orientation reinforcing rib.
5. the central tube for filter core according to claim 3, is characterized in that, each described first cross reinforcing group includes two the first cross reinforcings, and the distance that two described first cross reinforcings go up interval is in the axial direction not less than 2 millimeters.
6. the central tube for filter core according to claim 3, is characterized in that, described first cross reinforcing group flushes with described first mating surface, and the free end of described first cross reinforcing has rounding.
7. the central tube for filter core according to claim 3, is characterized in that, is equipped with described first via hole between two often adjacent in the axial direction the first cross reinforcing groups.
8. the central tube for filter core according to any one of claim 2-7, it is characterized in that, the inner surface of described second runner is equipped with multiple second cross reinforcing group along perpendicular on relative both sides, the direction of its axis, and the multiple second cross reinforcing interlaced arrangement on both sides relative on the inner surface of described second runner.
9. the central tube for filter core according to claim 8, is characterized in that, each described second cross reinforcing group includes two the second cross reinforcings, and the distance that two described second cross reinforcings go up interval is in the axial direction not less than 2 millimeters.
10. the central tube for filter core according to claim 8, is characterized in that, described second cross reinforcing group flushes with described second mating surface, and the free end of described second cross reinforcing has rounding.
11. central tubes for filter core according to claim 8, is characterized in that, are equipped with described second via hole between two often adjacent in the axial direction the second cross reinforcing groups.
12. central tubes for filter core according to claim 1, it is characterized in that, the two ends of described first semicanal are equipped with the first locating groove extended along its circumference, described first flow is between two described first locating grooves, the two ends of described second semicanal are equipped with the second locating groove extended along its circumference, and described second runner is between two described second locating grooves.
13. central tubes for filter core according to claim 12, it is characterized in that, distance between the two ends of described first flow and corresponding described first locating groove is in the scope of 10 millimeters to 20 millimeters, and the distance between the two ends of described second runner and corresponding described second locating groove is in the scope of 10 millimeters to 20 millimeters.
14. central tubes for filter core according to claim 1, it is characterized in that, in described first semicanal and described second semicanal, any one cross section is at least partially formed as semicircle, described first via hole is located on the arcwall face of described first semicanal, and described second via hole is located on the arcwall face of described second semicanal.
15. central tubes for filter core according to claim 1, it is characterized in that, the two ends of described first semicanal are respectively equipped with points of engagement and first time points of engagement on first, the two ends of described second semicanal are respectively equipped with points of engagement and second time points of engagement on second, on described first, in points of engagement and described second, points of engagement fastens, and described first time points of engagement and described second time points of engagement correspondence fasten.
16. central tubes for filter core according to claim 15, it is characterized in that, on described first, points of engagement and described first time points of engagement include along spaced apart two card convexs in direction perpendicular to described first semicanal axis, and on described second, points of engagement and described second time points of engagement include two draw-in grooves be located at perpendicular to the both sides on the direction of its axis in described second pipe portion.
17. central tubes for filter core according to claim 15 or 16, it is characterized in that, on described first, points of engagement is not identical with described first time points of engagement size in the axial direction.
18. central tubes for filter core according to claim 15 or 16, it is characterized in that, on described first semicanal, two ends are vertically equipped with the boss protruding described first mating surface, and on described first, points of engagement and described first time points of engagement are arranged on described boss.
19. central tubes for filter core according to claim 1, it is characterized in that, described first semicanal comprises main body and is located at the first cylinder and second cylinder at described main body two ends, form described first through hole in described first cylinder, described second semicanal coordinates with described main body and between described first cylinder and described second cylinder.
20. central tubes for filter core according to claim 1, it is characterized in that, the first end of described first semicanal is provided with and extends vertically and first locating hole isolated with described first flow, and the first end of described second semicanal is provided with and extends vertically and second locating hole isolated with described second runner.
21. 1 kinds of filters, is characterized in that, comprising:
Central tube, described central tube is the central tube for filter core according to any one of claim 1-20;
Upper end cover, described upper end cover is provided with the first mozzle and the second mozzle, described upper end cover is connected with the second end of described second semicanal with the second end of described first semicanal respectively, and described first mozzle is plugged in described first through hole, described second mozzle is plugged in described second through hole;
Bottom end cover, described first semicanal is connected with described bottom end cover respectively with the first end of described second semicanal.
22. filters according to claim 21, it is characterized in that, the first end of described first semicanal is provided with and extends vertically and first locating hole isolated with described first flow, the first end of described second semicanal is provided with and extends vertically and second locating hole isolated with described second runner, described bottom end cover is provided with the first positioning pipe and the second positioning pipe, described first positioning pipe is plugged in described first locating hole, and described second positioning pipe is plugged in described second locating hole.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021036.7A CN105498544B (en) | 2016-01-13 | 2016-01-13 | A filter equipment that is used for center tube of filter core and has it |
| PCT/CN2016/113783 WO2017121257A1 (en) | 2016-01-13 | 2016-12-30 | Central tube for filter cartridge and filter device having same |
| EP16884808.3A EP3403714B1 (en) | 2016-01-13 | 2016-12-30 | Central tube for filter cartridge and filter device having same |
| US16/034,144 US10807045B2 (en) | 2016-01-13 | 2018-07-12 | Central tube for filter cartridge and filtering device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021036.7A CN105498544B (en) | 2016-01-13 | 2016-01-13 | A filter equipment that is used for center tube of filter core and has it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105498544A true CN105498544A (en) | 2016-04-20 |
| CN105498544B CN105498544B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610021036.7A Active CN105498544B (en) | 2016-01-13 | 2016-01-13 | A filter equipment that is used for center tube of filter core and has it |
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| CN106139902A (en) * | 2016-08-29 | 2016-11-23 | 佛山市美的清湖净水设备有限公司 | A many membrane page filter cores that is used for center tube of filter core and has it |
| CN106219679A (en) * | 2016-09-12 | 2016-12-14 | 佛山市美的清湖净水设备有限公司 | Water outlet pipe and reverse osmosis membrane element |
| CN106237861A (en) * | 2016-09-20 | 2016-12-21 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis membrane element, preparation method of reverse osmosis membrane element and filter element |
| CN106268321A (en) * | 2016-08-30 | 2017-01-04 | 佛山市美的清湖净水设备有限公司 | A many membrane page filter cores that is used for center tube of filter core and has it |
| WO2017121257A1 (en) * | 2016-01-13 | 2017-07-20 | 佛山市美的清湖净水设备有限公司 | Central tube for filter cartridge and filter device having same |
| CN110115939A (en) * | 2018-02-06 | 2019-08-13 | 佛山市顺德区美的饮水机制造有限公司 | Center tube assembly, reverse-osmosis membrane element, filter core and water purifier |
| CN111249915A (en) * | 2020-04-01 | 2020-06-09 | 科诺思膜技术(厦门)有限公司 | Central tube of high-pressure STRO membrane module |
| CN112892215A (en) * | 2016-11-16 | 2021-06-04 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis membrane element, filter element and water purifier |
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