CN206473897U - Pin hole filter core - Google Patents

Pin hole filter core Download PDF

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Publication number
CN206473897U
CN206473897U CN201720070446.0U CN201720070446U CN206473897U CN 206473897 U CN206473897 U CN 206473897U CN 201720070446 U CN201720070446 U CN 201720070446U CN 206473897 U CN206473897 U CN 206473897U
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China
Prior art keywords
filter
element body
bores
filter element
wall portion
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CN201720070446.0U
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Chinese (zh)
Inventor
肖伟丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Wuyang Fine Filtration Technology Co., Ltd.
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DONGGUAN JINGLV ELECTRONICS & SCIENCE TECHNOLOGIES Co Ltd
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Abstract

The utility model is related to pin hole filter core, including:Filter element body, filter element body has columnar structured, hollow-core construction is set in the middle part of filter element body, filter element body includes wall portion, wall portion has inner surface and outer surface, inner surface has smooth surface structure, outer surface offers some filter bores, inner surface depression of the filter bores from outer surface to filter element body is set, and the depth of filter bores is less than the distance between inner surface and outer surface, the width of filter bores is gradually reduced from one end close to outer surface to one end close to inner surface.Filter bores are set by the outer surface in filter element body, increase the area on the outside of filter element body, so that adsorption capacity increase of the filter element body to solid particle, and add and liquid contact surface product, allow fluid to quickly and efficiently infiltrate through the wall portion of filter element body, and oozed out from the inner surface of wall portion, so as to complete filtering, the filter efficiency of filter core is effectively improved, and causes filter effect more preferably.

Description

Pin hole filter core
Technical field
The utility model is related to filtration art, more particularly to pin hole filter core.
Background technology
Filter core is used to separate solid particle in liquid or gas so that liquid or gas are filtered, and become pure.Pass The filter element filtering effect of system is not good, when fluid flow is larger, often can not efficiently, rapidly filtered fluid, filtering effect Rate is low, and filter effect is not good.
Utility model content
Based on this, it is necessary to which low for traditional filter element filtering efficiency, there is provided a kind of pin hole for the not good defect of filter effect Filter core.
A kind of pin hole filter core, including:Filter element body, the filter element body have it is columnar structured, in the filter element body Portion is set to hollow-core construction, and the filter element body includes wall portion, and the wall portion has inner surface and outer surface, the inner side Surface has a smooth surface structure, and the outer surface offers some filter bores, the filter bores from the outer surface to The inner surface depression of the filter element body is set, and the depth of the filter bores is less than the inner surface and the outside table The distance between face, the width of the filter bores is from one end close to the outer surface to one end close to the inner surface It is gradually reduced.
In one embodiment, section of the filter bores in the axial direction of the filter element body is triangle.
In one embodiment, the filter bores are being along the section on the direction parallel to the plane of the outer surface It is square.
In one embodiment, circumferencial direction of some filter bores along the outer surface is placed equidistant.
In one embodiment, axial direction of some filter bores along the filter element body is placed equidistant.
In one embodiment, the width of each filter bores is identical.
In one embodiment, the ratio between minimum thickness of the depth of the filter bores and the wall portion is 1:(4.5~ 7.5)。
In one embodiment, the ratio between minimum thickness of the depth of the filter bores and the wall portion is 1:(5.5~ 6.5)。
In one embodiment, the ratio between minimum thickness of the depth of the filter bores and the wall portion is 1:6.
In one embodiment, the ratio between the internal diameter of the filter element body and external diameter are 1:(2~2.5).
Above-mentioned pin hole filter core, by setting the face on the outside of filter bores, increase filter element body in the outer surface of filter element body Product so that adsorption capacity increase of the filter element body to solid particle, and add and liquid contact surface product so that liquid can be fast Speed efficiently infiltrates through the wall portion of filter element body, and is oozed out from the inner surface of wall portion, so that filtering is completed, so as to effectively improve The filter efficiency of filter core, and cause filter effect more preferably.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the pin hole filter core of an embodiment;
Fig. 2 is the close-up schematic view at A in Fig. 1;
Fig. 3 is the pin hole filter core cross-sectional view of an embodiment;
Fig. 4 is the close-up schematic view at B in Fig. 3.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag Include the arbitrary and all combination of one or more related Listed Items.
For example, a kind of pin hole filter core, including:Filter element body, the filter element body has columnar structured, the filter core sheet Hollow-core construction is set in the middle part of body, the filter element body includes wall portion, and the wall portion has inner surface and outer surface, described Inner surface has smooth surface structure, and the outer surface offers some filter bores, and the filter bores are by the outside table Inner surface depression towards the filter element body is set, and the depth of the filter bores is less than the inner surface and described outer The distance between side surface, the width of the filter bores is from one end close to the outer surface to close to the inner surface One end is gradually reduced.
For example, a kind of pin hole filter core, including filter element body, filter element body has columnar structured, and cylindrical shape has wall portion With two bottoms, cylindrical shape is further opened with hollow-core construction, for example, the hollow-core construction penetrates two bottoms;And for example, cylindrical shape has Axis, hollow-core construction is the cylindrical structure with axis, and columnar axis is overlapped with the axis of hollow-core construction Set;For example, the cross section of the wall portion is annular, i.e., the section perpendicular to axis of described wall portion is annular;Example Such as, the cross section of the inner surface of the wall portion is same circle;And for example, the cross section of the outer surface of the wall portion is straight Footpath change circle, for example, diameter change be in certain number range even variation, and for example, diameter change be one just Change in the range of chord curve;For example, as shown in Figure 1, Figure 2 and Figure 3, it is the pin hole filter core 10 of an embodiment, including:Filter core sheet Body 100, the filter element body 100 is set to hollow-core construction, for example, institute with columnar structured in the middle part of the filter element body 100 Stating filter element body 100 includes wall portion 110, for example, the wall portion 110 has inner surface 111 and outer surface 112, for example, institute Inner surface 111 is stated with smooth surface structure, the outer surface 112 offers some filter bores 113, the filter bores The 113 direction depression from the outer surface 112 to the inner surface 111 of the filter element body 100 is set, and the filter bores 113 depth is less than the distance between the inner surface 111 and described outer surface 112, for example, the inner surface 111 With the thickness that the distance between the outer surface 112 is wall portion 110, because the depth of the filter bores 113 is less than wall portion 110 Thickness, then the filter bores 113 do not penetrate the wall portion 110, i.e., the filter bores 113 are opened in wall portion 110 close to outer surface 112 position, for example, the width of the filter bores 113 is from one end close to the outer surface 112 to close to the inner side table The one end in face 111 is gradually reduced.For example, the smooth surface structure is the side of cylinder or the side of round estrade.And for example, The wave stripe is sinusoidal waveform.
For example, as shown in figure 1, the radial section of the inner surface 111 is circle, for example, the inner side table of the wall portion 110 The radial section in face 111 is circle, for example, the smooth surface structure is smooth circular structure, for example, the filter element body 100 Radial section be annular.
Specifically, by being set in the outer surface 112 of filter element body 100 outside filter bores 113, increase filter element body 100 The area of side so that adsorption capacity increase of the filter element body 100 to solid particle, and add and liquid contact surface product so that Liquid can quickly and efficiently infiltrate through the wall portion 110 of filter element body 100, in addition, the filter bores 113 that outer surface 112 is opened up So that liquid is penetrated into wall portion 110 from multiple angles, the infiltration of liquid is effectively disperseed, and then solid particle is divided Dissipate, be effectively isolated solid particle, the liquid for penetrating into wall portion 110 then oozes out from inner surface 111, and the inner side table of wall portion 110 Face 111 is set to smooth surface structure, i.e. the inner surface 111 and aporate or concave/convex-shaped structure, and it is set in smooth shape, this Sample, enables to the liquid in wall portion 110 to be oozed out from inner surface 111 towards unified direction so that the leaching rate of liquid Faster, ooze out it is more efficient, and then cause filter element body 100 filter efficiency it is higher, liquid was carried out by said structure Filter, so as to effectively improve the filter efficiency of filter core, and causes filter effect more preferably.
Further, since outer surface 112 has opened up filter bores 113 so that the area increase of outer surface 112, add With the contact area of liquid, and then allow fluid to efficiently penetrate into wall portion 110, filter efficiency is improved, in order to further carry Filtration efficiency, in one embodiment, incorporated by reference to Fig. 3 and Fig. 4, the filter bores 113 are in the axial direction of the filter element body 100 On section be triangle, it should be understood that the depth direction of the filter bores 113 be the filter bores 113 longitudinal direction, for example, The axial direction of the filter element body 100 is the longitudinal direction of the filter bores 113, for example, the longitudinal cross-section of the filter bores 113 is triangle Shape, i.e., after filter element body 100 is splitted along the axial direction of filter element body 100, the section of the filter bores 113 on corresponding hatching For triangle, because the section of filter bores 113 is triangle so that the width of the hole wall of filter bores 113 gradually subtracts from outside to inside Small, on the one hand, to enable to the area of outer surface 112 to increase, increase and the contact area of liquid improve and penetrate into efficiency, separately On the one hand, with filter bores 113 depth increase, the width of filter bores 113 reduces, and hole wall is obliquely installed, and is conducive to barrier Solid particle, and then cause filter effect more preferably.
For the surface area of the hole wall that further increases filter bores 113, increase filter area, in one embodiment, such as Shown in Fig. 2, the filter bores 113 are being square, example along the section on the direction parallel to the plane of the outer surface 112 Such as, the lateral cross section of the filter bores 113 is square, and so the edge of the filter bores 113 is the hole wall of four equal areas, and Each hole wall is triangle, can be effectively increased the surface area of the hole wall of filter bores 113, and then increase the mistake of outer surface 112 Filtering surface is accumulated, and improves filter efficiency, and because the direction of four side walls is different so that liquid penetrates into wall portion 110 from different directions, point The infiltration direction of dispersion liquid body, and then cause filter effect more preferably.
In a further embodiment, the lateral cross section of the filter bores 113 is that circle, the i.e. filter bores 113 have taper Structure, the filter bores 113 of pyramidal structure enable to liquid more can dispersedly penetrate into wall portion 110 so that filter effect More preferably.
In order that filter element body filter effect more preferably, for example, the material of the filter element body be PP cottons, for example, institute The material for stating filter element body is polyester fiber, and PP cottons have good permeance property, and can effectively obstruct solid particle, and then So that the filter effect of filter element body is more preferably, and make it that the filter efficiency of filter element body is higher.
In order to further improve filter efficiency, and cause filter effect more preferably, for example, the density of the wall portion is gradually changed Set, be gradually reduced for example, the density of wall portion has close to the position of the outer surface to the position close to the inner surface, That is, density of the wall portion in the position close to outer surface is larger, and the density close to the position of inner surface is smaller, by The middle part of filter element body is penetrated into by the outside of filter element body in liquid, therefore, the pressure of the liquid on the outside of filter element body is more Greatly, so, even if wall portion is bigger close to the density of outer surface, liquid also can efficiently penetrate into wall portion, and wall portion is close to outside The density on surface is larger, is conducive to further obstructing the solid particle of solid particle, especially small volume, and then cause filtering It is better, and the density of inner surface is smaller, be conducive to liquid quickly through and oozing out, enter from the inner surface of wall portion Enter the middle part of filter element body, in such manner, it is possible to further improve filter efficiency, and cause filter effect more preferably.
For example, the wall portion includes the first filter layer and the second filter layer, for example, first filter layer be arranged at it is described The outside of second filter layer, and first filter layer and second filter layer connection, first filter layer and described the The material of two filter layers is identical to be set, and the different setting of density of first filter layer and second filter layer, for example, institute State the first filter layer density be more than second filter layer density, so, due to outside the first filter layer density compared with Greatly, the less solid particle of volume can be obstructed so that more preferably, and the density of the second filter layer is smaller, can make for filter effect Liquid can be quickly through, and then filter efficiency is improved, so as to improve filter efficiency, causes filter effect more again It is good.For example, the filter bores are opened in side of first filter layer away from second filter layer, for example, described first Filter layer is identical with the thickness of second filter layer, and for example, the thickness phase of first filter layer and second filter layer It is different, for example, the thickness of first filter layer is more than the thickness of second filter layer, for example, the thickness of first filter layer The ratio between thickness of degree and second filter layer is 1.5:1.
In order to improve the hardness of filter element body, in one embodiment, supporting network is provided with the wall portion, for example, institute State supporting network to be arranged between first filter layer and second filter layer, for example, the supporting network has mesh, example Such as, the supporting network is stainless steel supporting network, and so, the supporting network can effectively strengthen the intensity of wall portion so that filter element body is not Easy deformation, extends the service life of filter element body, and the supporting network will not be that infiltration is impacted to wall portion, therefore, support Net will not be impacted to the filter efficiency of wall portion.
In order to allow fluid to equably penetrate into filter element body 100 and filter out so that the filter effect of filter element body 100 More preferably, in one embodiment, incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, circle of some filter bores 113 along the outer surface 112 Circumferential direction is placed equidistant, for example, axial direction of some filter bores 113 along the filter element body 100 is placed equidistant, for example, respectively Distance between filter bores 113 in the distance and circumferencial direction of axial direction is equal, i.e., each filter bores 113 are set in isometric matrix distribution The outer surface 112 of filter element body 100 is placed in, in such manner, it is possible to so that each filter bores 113 are evenly distributed in filter element body 100, And then filter element body 100 is reduced in the filter efficiency difference of each position, and then allow fluid to equably penetrate into filter core Body 100 is simultaneously filtered out so that the filter effect of filter element body 100 is more preferably.
In order to further such that liquid can equably penetrate into filter element body 100 and filter out so that the mistake of filter element body 100 Filter is better, for example, the width of each filter bores 113 is identical, for example, the shape of each filter bores 113 is identical, for example, mistake The lateral cross section of filter opening 113 is square, and the width of filter bores 113 is the length of the length of side of the lateral cross section of filter bores 113, example Such as, the length of the length of side in lateral cross section of each filter bores 113 in same depth is identical, for example, the lateral cross section of filter bores 113 For circle, the width of filter bores 113 is the aperture of the lateral cross section of filter bores 113, for example, each filter bores 113 are in same depth The aperture of lateral cross section on degree is identical, so, and because the volume of each filter bores 113 is identical, surface area is identical so that each filtering The filter efficiency in hole 113 is identical, and then allows fluid to equably penetrate into filter element body 100 and filter out so that filter element body 100 filter effect is more preferably.
For example, the ratio between the distance between the Breadth Maximum of each filter bores 113 and filter bores 113 are 1:(1~1.5), for example, The ratio between the distance between Breadth Maximum and filter bores 113 of each filter bores 113 are 1:1, specifically, the maximum of each filter bores 113 Width is the width of the length of side in section of the filter bores 113 on outer surface 112, and the Breadth Maximum of filter bores 113 is too big, and mistake The distance between filter opening 113 is too small, then easily cause the structural instability of outer surface 112, and the Breadth Maximum of filter bores 113 compared with Small, the distance between filter bores 113 are too big, then make it that the filter core of filter element body 100 is inefficient, and effect is not good, therefore, this In embodiment, the ratio between the distance between Breadth Maximum and filter bores 113 of each filter bores 113 are 1:1, i.e., each filter bores 113 Breadth Maximum is equal with the distance between filter bores 113, so that filter bores 113 can be evenly distributed in filter element body On 100, and effectively improve the area of the outer surface 112 of filter element body 100 so that filter effect is more preferably, and more efficient, this Outside, additionally it is possible to which, so that hardness of the filter element body 100 close to the position of outer surface 112 is bigger, structure is more stable.
It should be understood that the depth of filter bores 113 is bigger, then the area of the outer surface 112 of filter element body 100 is got over Greatly, then filter efficiency is higher, but the depth of filter bores 113 is too big, then causes the average thickness of wall portion 110 to reduce, be unfavorable for wall portion 110 depth-type filtration, causes filter effect not good, therefore, in order to improve filter efficiency, and avoids causing shadow to filter effect Ring, in one embodiment, the ratio between minimum thickness of the depth of the filter bores 113 and the wall portion 110 is 1:(4.5~ 7.5), it is worth mentioning at this point that, the minimum thickness of wall portion 110 for wall portion 110 inner surface 111 to the bosom of filter bores 113 Distance, that is, outer surface 112 and inner surface 111 distance and filter bores 113 depth difference, for example, the mistake The ratio between minimum thickness of the depth of filter opening 113 and the wall portion 110 is 1:(5.5~6.5), for example, the depth of the filter bores 113 The ratio between degree and the minimum thickness of the wall portion 110 are 1:6.In the present embodiment, the depth of filter bores 113 be only wall portion 110 most / 6th of small thickness, the depth enables to filter bores 113 that there is larger volume and hole wall surface to accumulate, it is possible to increase outer The area of side surface 112, improves filter efficiency, and because the minimum thickness of wall portion 110 is larger, enable to wall portion 110 to liquid Body carries out depth-type filtration, is adequately isolated solid particle, and then cause filter effect more preferably.
It is noted that the thickness of wall portion 110 is bigger, then the filter effect of filter element body 100 is better, but filter efficiency Then reduce, the thickness of wall portion 110 is smaller, then liquid penetrates into that the speed that filters out is faster, and filter effect is higher, but filter effect then compared with Difference, in order that filter element body 100 filter effect more preferably, and filter efficiency improve, in one embodiment, the filter core sheet The ratio between internal diameter and external diameter of body 100 are 1:(2~2.5).Specifically, the external diameter of filter element body 100 and the difference of internal diameter are wall portion 110 Maximum gauge, that is, the distance between outer surface 112 and inner surface 111, in the present embodiment, filter element body 100 The ratio between internal diameter and external diameter are 1:(2~2.5) enable to the maximum gauge of wall portion 110 moderate, can effective filtering solid particles, So that the filter effect of filter element body 100 is preferably, and filter efficiency is higher, for example, the internal diameter and external diameter of the filter element body 100 The ratio between be 1:(2~2.2), for example, the ratio between the internal diameter of the filter element body 100 and external diameter are 1:2, in the present embodiment, wall portion 110 Maximum gauge be external diameter half, being capable of further effective filtering solid particles so that the filter effect of filter element body 100 is more Good, filter efficiency is higher.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of pin hole filter core, it is characterised in that including:Filter element body, the filter element body has columnar structured, the filter Hollow-core construction is set in the middle part of core body, the filter element body includes wall portion, and the wall portion has inner surface and outer surface, The inner surface has smooth surface structure, and the outer surface offers some filter bores, and the filter bores are by described outer Side surface is recessed to the inner surface of the filter element body to be set, and the depth of the filter bores is less than the inner surface and institute The distance between outer surface is stated, the width of the filter bores is from one end close to the outer surface to close to the inner side table The one end in face is gradually reduced.
2. pin hole filter core according to claim 1, it is characterised in that the filter bores are in the axial direction of the filter element body Section be triangle.
3. pin hole filter core according to claim 1, it is characterised in that the filter bores are along parallel to the outer surface Plane direction on section to be square.
4. pin hole filter core according to claim 1, it is characterised in that circle of some filter bores along the outer surface Circumferential direction is placed equidistant.
5. pin hole filter core according to claim 1, it is characterised in that axle of some filter bores along the filter element body To being placed equidistant.
6. pin hole filter core according to claim 1, it is characterised in that the width of each filter bores is identical.
7. pin hole filter core according to claim 1, it is characterised in that the minimum of the depth of the filter bores and the wall portion The ratio between thickness is 1:(4.5~7.5).
8. pin hole filter core according to claim 7, it is characterised in that the minimum of the depth of the filter bores and the wall portion The ratio between thickness is 1:(5.5~6.5).
9. pin hole filter core according to claim 8, it is characterised in that the minimum of the depth of the filter bores and the wall portion The ratio between thickness is 1:6.
10. pin hole filter core according to claim 1, it is characterised in that the ratio between the internal diameter of the filter element body and external diameter are 1:(2~2.5).
CN201720070446.0U 2017-01-18 2017-01-18 Pin hole filter core Active CN206473897U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978880A (en) * 2021-04-02 2021-06-18 宁波磁性材料应用技术创新中心有限公司 Filter element for removing heavy metals in water and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978880A (en) * 2021-04-02 2021-06-18 宁波磁性材料应用技术创新中心有限公司 Filter element for removing heavy metals in water and use method thereof

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Address after: 523000 No. 11, Dalingya Village West Main Road, Daojiao Town, Dongguan City, Guangdong Province

Patentee after: Guangdong Wuyang Fine Filtration Technology Co., Ltd.

Address before: 523000 First and Second Floor Workshop for Leasing Items in Dalingyaxian Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province

Patentee before: DONGGUAN JINGLV ELECTRONICS & SCIENCE TECHNOLOGIES CO., LTD.

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Address after: No. 305, Yuehui Road, Daojiao Town, Dongguan City, Guangdong Province

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Patentee before: Guangdong Wuyang Fine Filtration Technology Co., Ltd.

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