CN203724865U - Microbial filter cup adopting high polymer material - Google Patents
Microbial filter cup adopting high polymer material Download PDFInfo
- Publication number
- CN203724865U CN203724865U CN201420084758.3U CN201420084758U CN203724865U CN 203724865 U CN203724865 U CN 203724865U CN 201420084758 U CN201420084758 U CN 201420084758U CN 203724865 U CN203724865 U CN 203724865U
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- China
- Prior art keywords
- filter
- cup
- filter cup
- press mold
- membrane
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- Expired - Fee Related
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Abstract
The utility model discloses a microbial filter cup adopting a high polymer material. The microbial filter cup comprises a filter cup body matched with a filter head, wherein volume scale marks are formed on the surface of the filter cup body; the aperture of the filter cup body is gradually shrunk in the direction from a cup rabbet to a flow guide port; a membrane pressing ring is arranged at the flow guide port of the filter cup body; a filter cup positioning body for limiting the filter cup body is arranged in the circumferential direction of the lower part of the membrane pressing ring; and an inner membrane pressing ring which is matched with a filter membrane support ring of the filter head and a filter membrane to form a sealing structure is arranged on the lower edge of the membrane pressing ring. The microbial filter cup is reasonable in structural modeling, and during operating and using, filtration progress of a solution sample in the filter cup can be conveniently observed through mounting in different directions and angles; the filter membrane is effectively protected by means of the conical cup modeling, and residues are effectively reduced by means of a large fillet flow guide design; and moreover, sample leakage is avoided by means of a small-area lifted membrane pressing ring, accordingly, the operation is more convenient, and a test result is more accurate.
Description
Technical field
The utility model relates to filter cup, especially relates to the microbe filter cup that adopts macromolecule material.
Background technology
The microbe filter cup of existing plastic material has many unreasonable parts in structural design, such as there being following comparatively distinct issues:
1. on cup, containing mark line mark is unreasonable, only in the time that filter bowl is installed, containing mark line alignment function personnel could be observed to scale.
2. filter and finish easily residual sample of rear filter bowl bottom, affect the accuracy of experimental result.
3. extruding when filter bowl and filter are installed, press mold ring slight deformation, causes press mold ring cannot effectively push down filter membrane, causes the seepage of fluid sample.
If 4. there is the sample of bacteriostatic agent, along with the seepage of fluid sample, bacteriostatic agent can remain between press mold ring and filter membrane, cannot rinse out, and affects the normal growth of microorganism, affects the shortcomings such as experimental result.
The problems that more than exist, for user, can affect the reliability of experimental result, and this is unacceptable.
Utility model content
The purpose of this utility model is exactly in order to address the above problem, and provides one conveniently to observe, reduce residual, effectively avoids the microbe filter cup of the employing macromolecule material of seepage.
To achieve these goals, the utility model adopts following technical scheme:
Adopt the microbe filter cup of macromolecule material, it has and coordinates with filtering head (2) and for holding the filtration cup (1) of sample solution, described filter cup surface is provided with containing mark line (4), it is characterized in that, the bore of described filtration cup is contraction-like gradually by rim of a cup towards flow-guiding mouth direction, the flow-guiding mouth place of described filtration cup is provided with press mold ring (3), this press mold ring (3) bottom is circumferentially provided with for carrying out spacing filter bowl positioning body (5) to filtering cup, the lower edge place of described press mold ring is provided with and cooperatively interacts with the filter membrane support ring of filtering head and filter membrane and form ring (6) in the press mold ring of hermetically-sealed construction.
As further improvement of the utility model is, described containing mark line is that solid line and dotted line are arranged alternately.
As further improvement of the utility model is, described filter bowl positioning body (5) is cylindrical tube shape structure.
As further improvement of the utility model is, the inwall of described filter bowl positioning body is circumferentially provided with bulge loop (7).
As further improvement of the utility model is, it between filtration cup (1) inwall that described press mold ring (3) upper surface is adjacent, is arc-shaped transition structure.
Compared with prior art, the utlity model has following beneficial effect:
(1) this microbe filter cup is carved with dotted line containing mark line and solid line containing mark line checker on its cup, avoids upper and lower two graduation marks to misread, and graduation mark, around cup, meets the capacity reading that can observe solution in filter bowl from surrounding.
(2) filter bowl mouth becomes the horn mouth moulding of undergauge to filter bowl bottom design, and inner side is designed to large inner circle, forms certain gradient, while avoiding in sample is poured filter bowl into, directly rushes at filter membrane, and causes the damage of filter membrane.In the large filleted corner diversion Design of filter bowl bottom inside, greatly reduce the residual of sample solution again.
(3) effective press mold sealing area of filter membrane is dwindled, and improves sealing effectiveness, in the past cant of endoporus (flow-guiding mouth) of press mold ring, forms undersized higher pressure zona, will effectively seal the side being controlled at solution example.To reach better effective sealing, prevent the seepage of solution example.
In sum, the high molecular microbe filter cup of one that the utility model obtains, Mechanical Builds is reasonable, and in the time that operation is used, different directions angle is installed the progress of the solution example filtration that can observe easily filter bowl.Conical cup moulding, is effective protection to filter membrane, and large filleted corner diversion Design effectively reduces residual.The padded press mold ring of small size, avoids the seepage of sample.Make more convenient to operately, experimental result is more accurate.
Brief description of the drawings
Fig. 1 is the microbe filter cup front view that adopts macromolecule material.
Fig. 2 is the microbe filter cup cutaway view that adopts macromolecule material.
Fig. 3 is the use state diagram that adopts the microbe filter cup of macromolecule material.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Figure 1-3, adopt the microbe filter cup of macromolecule material, it has and coordinates with filtering head 2 and for holding the filtration cup 1 of sample solution, this filtration cup is made up of the macromolecular material of transparent material, described filter cup surface is provided with containing mark line 4, the bore of described filtration cup is contraction-like gradually by rim of a cup towards flow-guiding mouth direction, this undergauge structure contributes to play when sample solution is poured into cup the cushioning effect to filter membrane, the flow-guiding mouth place of described filtration cup is provided with press mold ring 3, these press mold ring 3 bottoms are circumferentially provided with for carrying out spacing filter bowl positioning body 5 to filtering cup, the lower edge place of described press mold ring is provided with to cooperatively interact with the filter membrane support ring of filtering head and filter membrane and form in the press mold ring of hermetically-sealed construction and encircles 6, in this press mold ring, ring is for extending downward.
Because traditional containing mark line design exists many drawbacks, so containing mark line is arranged to solid line and the alternately structure of layout of dotted line by this case, capacity number includes but not limited to 50,100,150,200 this classification situations, can be also the scale of other capacity number.
Referring to Fig. 2, described filter bowl positioning body 5 is cylindrical tube shape structure, it is integral type structure with filtering cup, and vertically extends out and form to the end (the filtration cup lower end of Fig. 2) that filters cup undergauge, and the structure of concrete development length and filtering head is closely related.
The inwall of described filter bowl positioning body is circumferentially provided with bulge loop 7, its cross section is preferably semicircle, after filtering head installation in position, effectively fix by this bulge loop, the material of this bulge loop can be that rigid material can be also flexible material, is to be also preferably if selected flexible materials such as rubber at fixed effect.If this bulge loop selects to be also fine with whole microbe filter cup is one-body molded (material of bulge loop is identical with cup material).
Referring to Fig. 2, it between filtration cup 1 inwall that described press mold ring 3 upper surfaces are adjacent, is arc-shaped transition structure, this arc-shaped transition structure can be considered directly to carry out rounding design between press mold ring upper surface and filtration cup inwall, and this structure can effectively reduce the residual of sample.And, in the time that sample solution is poured filtration cup into, avoid sample solution directly to impact filter membrane, prevent that filter membrane from suffering damage.
The using method of this microbe filter cup is as follows: filter membrane is positioned on the filter membrane support chip of filtering head, filtering cup and filtering head fixes by bulge loop, by filter membrane clip also sealing between press mold ring and filtering head, when filtration cup and filtering head are fixing, filter membrane support ring withstands press mold ring and causes week distortion in press mold ring to upwarp, cause sample solution seepage, in press mold ring, increase design along bottom, reduce the contact-making surface of effective sealing, while avoiding filter cup fixing, in press mold ring, annular strain upwarps, and reaches the effective sealing of filter cup and filtering head.
The foregoing is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not depart from principle of the present utility model, these improve and also should be considered as protection domain of the present utility model.
Claims (5)
1. adopt the microbe filter cup of macromolecule material, it has and coordinates with filtering head (2) and for holding the filtration cup (1) of sample solution, described filter cup surface is provided with containing mark line (4), it is characterized in that, the bore of described filtration cup is contraction-like gradually by rim of a cup towards flow-guiding mouth direction, the flow-guiding mouth place of described filtration cup is provided with press mold ring (3), this press mold ring (3) bottom is circumferentially provided with for carrying out spacing filter bowl positioning body (5) to filtering cup, the lower edge place of described press mold ring is provided with and cooperatively interacts with the filter membrane support ring of filtering head and filter membrane and form ring (6) in the press mold ring of hermetically-sealed construction.
2. the microbe filter cup of employing macromolecule material according to claim 1, is characterized in that, described containing mark line is that solid line and dotted line are arranged alternately.
3. the microbe filter cup of employing macromolecule material according to claim 1, is characterized in that, described filter bowl positioning body (5) is cylindrical tube shape structure.
4. according to the microbe filter cup of the employing macromolecule material described in claim 1 or 3, it is characterized in that, the inwall of described filter bowl positioning body is circumferentially provided with bulge loop (7).
5. the microbe filter cup of employing macromolecule material according to claim 1, is characterized in that, is arc-shaped transition structure between filtration cup (1) inwall that described press mold ring (3) upper surface is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084758.3U CN203724865U (en) | 2014-02-27 | 2014-02-27 | Microbial filter cup adopting high polymer material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084758.3U CN203724865U (en) | 2014-02-27 | 2014-02-27 | Microbial filter cup adopting high polymer material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203724865U true CN203724865U (en) | 2014-07-23 |
Family
ID=51194967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084758.3U Expired - Fee Related CN203724865U (en) | 2014-02-27 | 2014-02-27 | Microbial filter cup adopting high polymer material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203724865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289906A (en) * | 2016-08-08 | 2017-01-04 | 湖南省天骑医学新技术股份有限公司 | A kind of microporous filter membrane pelletizer and the assembly method when film-making and microscope are observed thereof |
-
2014
- 2014-02-27 CN CN201420084758.3U patent/CN203724865U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289906A (en) * | 2016-08-08 | 2017-01-04 | 湖南省天骑医学新技术股份有限公司 | A kind of microporous filter membrane pelletizer and the assembly method when film-making and microscope are observed thereof |
| CN106289906B (en) * | 2016-08-08 | 2024-02-23 | 湖南省天骑医学新技术股份有限公司 | Microporous filter membrane tabletting device and assembling method thereof during tabletting and microscopic observation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20210227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |