CN103432798A - Syringe filter - Google Patents
Syringe filter Download PDFInfo
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- CN103432798A CN103432798A CN2013103504091A CN201310350409A CN103432798A CN 103432798 A CN103432798 A CN 103432798A CN 2013103504091 A CN2013103504091 A CN 2013103504091A CN 201310350409 A CN201310350409 A CN 201310350409A CN 103432798 A CN103432798 A CN 103432798A
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- cover disk
- upper cover
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Abstract
The invention discloses a syringe filter which comprises an upper cover, a lower cover, a filtering membrane and coating rings, wherein the upper cover comprises an upper cover plate body and an input tube part; the lower cover comprises a lower cover plate body and an output tube part; the upper cover plate body is connected and matched up and down with the lower cover plate body; the edges of the filtering membrane are clamped and fixed through the upper cover plate body and the lower cover plate body, so that a cavity is divided into an upper part and a lower part; peripheries of the upper cover plate body and the lower cover plate body are coated with the coating rings; a plurality of supporting rods A are arranged at the communication part of the tube hole of the input tube part and the cavity; the upper cover plate body is provided with a plurality of arc-shaped bulges A, circular arc-shaped grooves A and radial grooves A, which are formed in the inner wall of the cavity; a plurality of supporting rods B are arranged at the communication part of the tube hole of the output tube part and the cavity; the lower cover plate body is provided with a plurality of arc-shaped bulges B, circular arc-shaped grooves B and radial grooves B, which are formed in the inner wall of the cavity; a plurality of reinforcing ribs are arranged at the bottom of the lower cover plate body. By adopting technical scheme of the invention, the filtering membrane is less susceptible to damage, the filter is less susceptible to blockage, and the filtering speed is stable and high.
Description
Technical field
The present invention relates to a kind of syringe filters.
Background technology
Membrane separation technique is described as " one of new and high technology that mid-term 21st century is the most rising ", it is the most noticeable that wherein microporous barrier is separated in biology, chemical analysis and pharmaceutical field application, do not need to change film and filter rinsed, saved complicated, time-consuming preparation, be widely used in laboratory.The structure of pinhead type filter advantages of simple, with low cost, and good filtration effect, general applicability is strong, can as be laboratory conventional use fast, convenient, the filtration treatment device of small samples reliably, during the aseptic filtration that is widely used in the pre-flock of sample and laboratory biofluid, culture medium and medium additive operates.The patent documentation that for example publication number is CN201988247U discloses a kind of syringe-driven filter, comprise upper body, the lower body connected with described upper body and the filter membrane between described upper body and lower body, described upper body connects mutually and forms the cavity with entrance and exit with lower body, described filter membrane is separated into upper and lower two parts by this cavity, and the circumferential perimeter of upper body and lower body closed position is coated with and coats circle.
But there are the problems such as easily breakage of filter membrane, the easy local accumulation of impurity foreign matter leached, lower cover insufficient strength cracky in existing structure of pinhead type filter.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this invention is to provide a kind of syringe filters, entrance and exit place at the cavity of accommodating filter membrane all arranges the shunting supporting construction, thereby avoid the damaged easily of this place's filter membrane, flow-guiding structure is set simultaneously in cavity, disperse to leach the impurity foreign matter, stablize the rate of filtration, and reinforcement is set to improve the intensity of lower cover in the lower cover outside.
To achieve the above object, the present invention has adopted following technical scheme:
A kind of syringe filters, comprise upper cover, lower cover, filter membrane and coating circle, upper cover comprises the upper cover disk body and is arranged on the input pipe section of upper cover disk body central authorities, lower cover comprises the lower cover disk body and is arranged on the efferent duct section of lower cover disk body central authorities, thereby upper cover disk body and lower cover disk body are connected up and down, between forms the cavity of accommodating filter membrane, thereby the filter membrane edge is fixedly clamped described cavity is separated into to upper and lower two parts by upper cover disk body and lower cover disk body, the circumferential perimeter of upper cover disk body and lower cover disk body is coated with and coats circle, the pore of described input pipe section is communicated to the upper part of described cavity, the pore of described efferent duct section is communicated to the lower part of described cavity, the pore of described input pipe section and the connectivity part of described cavity are provided with a plurality of pole A, described a plurality of pole A converges connection along the radially extension Bing center of input pipe section pore, described upper cover disk body is formed with a plurality of arc convex A on described cavity inner wall, arc groove A and radial groove A, described a plurality of arc convex A is concentric circles and distributes centered by the pore of input pipe section, between inside and outside two adjacent arc convex A, be arc groove A, between a plurality of arc groove A, by radial groove A, be communicated with, a plurality of radial groove A are communicated to the pore of described input pipe section and are emitting shape and distribute, the pore of described efferent duct section and the connectivity part of described cavity are provided with a plurality of pole B, described a plurality of pole B converges connection along the radially extension Bing center of efferent duct section pore, described lower cover disk body is formed with a plurality of arc convex B on described cavity inner wall, arc groove B and radial groove B, described a plurality of arc convex B is concentric circles and distributes centered by the pore of efferent duct section, between inside and outside two adjacent arc convex B, be arc groove B, between a plurality of arc groove B, by radial groove B, be communicated with, a plurality of radial groove B are communicated to the pore of described efferent duct section and are emitting shape and distribute.Described lower cover disk body bottom is provided with a plurality of reinforcements, and described a plurality of reinforcements radially extend to surrounding from efferent duct section.
As preferably, described reinforcement is triangular in shape.
As preferably, described input pipe section top is provided with the spiral bead for connecting.
As preferably, described pole A and radial groove A shift to install.
As preferably, described pole B and radial groove B shift to install.
As preferably, the pore of described input pipe section and the connectivity part of described cavity are uniformly distributed four pole A, and described upper cover disk body is uniformly distributed eight radial groove A on described cavity inner wall.
As preferably, the pore of described efferent duct section and the connectivity part of described cavity are uniformly distributed four pole B, and described lower cover disk body is uniformly distributed eight radial groove B on described cavity inner wall.
As preferably, the pore of described efferent duct section is the bellmouth that up big and down small tapering is 1 °～5 °.
As preferably, the pore of described input pipe section is greater than the pore of described efferent duct section.
The present invention is owing to having adopted above technical scheme, a plurality of poles all are set at the entrance and exit place of the cavity of accommodating filter membrane and form the shunting supporting constructions, while avoiding like this fluid pressure excessive, filter membrane is herein impacted to breakage, distribute the flow-guiding structure consisted of a plurality of arc convex, arc groove and radial groove is set at cavity inner wall simultaneously, disperse to leach the impurity foreign matter, avoid the impurity foreign matters from being blocked, guarantee the stable rate of filtration fast, and reinforcement is set to improve the intensity of lower cover at the lower cover outer bottom.
The accompanying drawing explanation
Fig. 1 is the structural representation of syringe filters of the present invention;
Fig. 2 is the structural representation of upper cover;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation of lower cover;
Fig. 5 is the B-B cutaway view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
A kind of syringe filters as shown in Figure 1, comprise upper cover 1, lower cover 2, filter membrane 3 and coating circle 4, upper cover 1 comprises upper cover disk body 16 and is arranged on the input pipe section 17 of upper cover disk body 16 central authorities, lower cover 2 comprises lower cover disk body 26 and is arranged on the efferent duct section 27 of lower cover disk body 26 central authorities, thereby upper cover disk body 16 and lower cover disk body 26 are connected up and down, between forms the cavity of accommodating filter membrane 3, thereby filter membrane 3 edges are fixedly clamped described cavity are separated into to upper and lower two parts by upper cover disk body 16 and lower cover disk body 26, the circumferential perimeter of upper cover disk body 16 and lower cover disk body 26 is coated with and coats circle 4, the pore 11 of described input pipe section 17 is communicated to the upper part of described cavity, the pore 21 of described efferent duct section 27 is communicated to the lower part of described cavity.
As Fig. 2, shown in Fig. 3, the pore 11 of described input pipe section 17 is provided with a plurality of pole A14 with the connectivity part of described cavity, described a plurality of pole A14 converges connection along the radially extension Bing center of input pipe section 17 pores 11, described upper cover disk body 16 is formed with a plurality of arc convex A12 on described cavity inner wall, arc groove A13 and radial groove A15, described a plurality of arc convex A12 is concentric circles and distributes centered by the pore 11 of input pipe section 17, between inside and outside two adjacent arc convex A12, be arc groove A13, between a plurality of arc groove A13, by radial groove A15, be communicated with, a plurality of radial groove A15 are communicated to the pore 11 of described input pipe section 17 and are emitting shape and distribute.
As Fig. 4, shown in Fig. 5, the pore 21 of described efferent duct section 27 is provided with a plurality of pole B24 with the connectivity part of described cavity, described a plurality of pole B24 converges connection along the radially extension Bing center of efferent duct section 27 pores 21, described lower cover disk body 26 is formed with a plurality of arc convex B22 on described cavity inner wall, arc groove B23 and radial groove B25, described a plurality of arc convex B22 is concentric circles and distributes centered by the pore 21 of efferent duct section 27, between inside and outside two adjacent arc convex B22, be arc groove B23, between a plurality of arc groove B23, by radial groove B25, be communicated with, a plurality of radial groove B25 are communicated to the pore 21 of described efferent duct section 27 and are emitting shape and distribute, described lower cover disk body 26 bottoms are provided with a plurality of reinforcements 28, described a plurality of reinforcement 28 radially extends to surrounding from efferent duct section 27.Described reinforcement 28 is triangular in shape.
In the present embodiment, described input pipe section 17 tops are provided with the spiral bead 18 for connecting, and connect.Described pole A14 and radial groove A15 shift to install.Described pole B24 and radial groove B25 shift to install.The pore 11 of described input pipe section 17 is uniformly distributed four pole A14 with the connectivity part of described cavity, and described upper cover disk body 16 is uniformly distributed eight radial groove A15 on described cavity inner wall.The pore 21 of described efferent duct section 27 is uniformly distributed four pole B24 with the connectivity part of described cavity, and described lower cover disk body 26 is uniformly distributed eight radial groove B25 on described cavity inner wall.The bellmouth that the pore 21 of described efferent duct section 27 is 1 °～5 ° for up big and down small tapering.The pore 11 of described input pipe section 17 is greater than the pore 21 of described efferent duct section 27.
It is emphasized that: above is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a syringe filters, comprise upper cover (1), lower cover (2), filter membrane (3) and coating circle (4), upper cover (1) comprises upper cover disk body (16) and is arranged on the input pipe section (17) of upper cover disk body (16) central authorities, lower cover (2) comprises lower cover disk body (26) and is arranged on the efferent duct section (27) of lower cover disk body (26) central authorities, upper cover disk body (16) and lower cover disk body (26) thus the between that is connected up and down forms the cavity of accommodating filter membrane (3), filter membrane (3) edge by upper cover disk body (16) and lower cover disk body (26) thus be fixedly clamped described cavity be separated into to upper and lower two parts, the circumferential perimeter of upper cover disk body (16) and lower cover disk body (26) is coated with and coats circle (4), the pore (11) of described input pipe section (17) is communicated to the upper part of described cavity, the pore (21) of described efferent duct section (27) is communicated to the lower part of described cavity, it is characterized in that, the pore (11) of described input pipe section (17) is provided with a plurality of pole A(14 with the connectivity part of described cavity), described a plurality of pole A(14) converge connection along the radially extension Bing center of input pipe section (17) pore (11), described upper cover disk body (16) is formed with a plurality of arc convex A(12 on described cavity inner wall), arc groove A(13) and radial groove A(15), described a plurality of arc convex A(12) being concentric circles centered by the pore (11) of input pipe section (17) distributes, inside and outside two adjacent arc convex A(12) between, be arc groove A(13), a plurality of arc groove A(13) pass through radial groove A(15 between) be communicated with, a plurality of radial groove A(15) be communicated to the pore (11) of described input pipe section (17) and be the emitting shape distribution, the pore (21) of described efferent duct section (27) is provided with a plurality of pole B(24 with the connectivity part of described cavity), described a plurality of pole B(24) converge connection along the radially extension Bing center of efferent duct section (27) pore (21), described lower cover disk body (26) is formed with a plurality of arc convex B(22 on described cavity inner wall), arc groove B(23) and radial groove B(25), described a plurality of arc convex B(22) being concentric circles centered by the pore (21) of efferent duct section (27) distributes, inside and outside two adjacent arc convex B(22) between, be arc groove B(23), a plurality of arc groove B(23) pass through radial groove B(25 between) be communicated with, a plurality of radial groove B(25) be communicated to the pore (21) of described efferent duct section (27) and be the emitting shape distribution, described lower cover disk body (26) bottom is provided with a plurality of reinforcements (28), described a plurality of reinforcement (28) radially extends to surrounding from efferent duct section (27).
2. a kind of syringe filters according to claim 1, is characterized in that, described reinforcement (28) is triangular in shape.
3. a kind of syringe filters according to claim 1, is characterized in that, described input pipe section (17) top is provided with the spiral bead (18) for connecting.
4. a kind of syringe filters according to claim 1, is characterized in that, described pole A(14) and radial groove A(15) shift to install.
5. a kind of syringe filters according to claim 1, is characterized in that, described pole B(24) and radial groove B(25) shift to install.
6. a kind of syringe filters according to claim 1, it is characterized in that, the pore (11) of described input pipe section (17) is uniformly distributed four pole A(14 with the connectivity part of described cavity), described upper cover disk body (16) is uniformly distributed eight radial groove A(15 on described cavity inner wall).
7. a kind of syringe filters according to claim 1, it is characterized in that, the pore (21) of described efferent duct section (27) is uniformly distributed four pole B(24 with the connectivity part of described cavity), described lower cover disk body (26) is uniformly distributed eight radial groove B(25 on described cavity inner wall).
8. a kind of syringe filters according to claim 1, is characterized in that, the bellmouth that the pore (21) of described efferent duct section (27) is 1 °～5 ° for up big and down small tapering.
9. a kind of syringe filters according to claim 1, is characterized in that, the pore (11) of described input pipe section (17) is greater than the pore (21) of described efferent duct section (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350409.1A CN103432798B (en) | 2013-08-12 | 2013-08-12 | Syringe filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350409.1A CN103432798B (en) | 2013-08-12 | 2013-08-12 | Syringe filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103432798A true CN103432798A (en) | 2013-12-11 |
| CN103432798B CN103432798B (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310350409.1A Active CN103432798B (en) | 2013-08-12 | 2013-08-12 | Syringe filter |
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| Country | Link |
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| CN (1) | CN103432798B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213718A (en) * | 2017-06-14 | 2017-09-29 | 世源科技(嘉兴)医疗电子有限公司 | Veress needle filter |
| CN113677434A (en) * | 2019-04-09 | 2021-11-19 | 生物梅里埃公司 | Device for determining the presence of bacterial contamination in a fluid |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220170069A1 (en) * | 2019-04-09 | 2022-06-02 | bioMérieux | Device for determining the presence of a bacteriological contamination in a fluid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035907A (en) * | 1998-08-17 | 2000-03-14 | Dart Industries Inc. | Combined measuring cup, funnel and strainer utensil |
| CN1778450A (en) * | 2004-11-26 | 2006-05-31 | 鸿富锦精密工业（深圳）有限公司 | Filter and method for filtering nanometer materials |
| CN103212227A (en) * | 2013-04-24 | 2013-07-24 | 浙江硕华医用塑料有限公司 | Disposable vacuum filter |
| CN203417509U (en) * | 2013-08-12 | 2014-02-05 | 浙江硕华医用塑料有限公司 | Syringe needle filter |
-
2013
- 2013-08-12 CN CN201310350409.1A patent/CN103432798B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035907A (en) * | 1998-08-17 | 2000-03-14 | Dart Industries Inc. | Combined measuring cup, funnel and strainer utensil |
| CN1778450A (en) * | 2004-11-26 | 2006-05-31 | 鸿富锦精密工业（深圳）有限公司 | Filter and method for filtering nanometer materials |
| CN103212227A (en) * | 2013-04-24 | 2013-07-24 | 浙江硕华医用塑料有限公司 | Disposable vacuum filter |
| CN203417509U (en) * | 2013-08-12 | 2014-02-05 | 浙江硕华医用塑料有限公司 | Syringe needle filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213718A (en) * | 2017-06-14 | 2017-09-29 | 世源科技(嘉兴)医疗电子有限公司 | Veress needle filter |
| CN113677434A (en) * | 2019-04-09 | 2021-11-19 | 生物梅里埃公司 | Device for determining the presence of bacterial contamination in a fluid |
| CN113677434B (en) * | 2019-04-09 | 2023-04-11 | 生物梅里埃公司 | Device for determining the presence of bacterial contamination in a fluid |
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| Publication number | Publication date |
|---|---|
| CN103432798B (en) | 2014-10-29 |
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Address after: 313220 Deqing County Province, Huzhou City, the town of bell hill road, No., No. 148 Patentee after: Zhejiang Sorfa Life Science Research Co., Ltd. Address before: 313220 Deqing County Province, Huzhou City, the town of bell hill road, No., No. 148 Patentee before: Zhejiang Sorfa Medical Plastic Co.,Ltd. |