CN204503132U - A kind of filtering type centrifuge tube - Google Patents
A kind of filtering type centrifuge tube Download PDFInfo
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- CN204503132U CN204503132U CN201520090977.7U CN201520090977U CN204503132U CN 204503132 U CN204503132 U CN 204503132U CN 201520090977 U CN201520090977 U CN 201520090977U CN 204503132 U CN204503132 U CN 204503132U
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- annular projection
- filtering bodies
- centrifuge tube
- filtering
- type centrifuge
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Abstract
The utility model provides a kind of filtering type centrifuge tube, comprise body, be provided with removable filter body in body, the top of filtering bodies is provided with the lower hem structure of turning up that can be fastened on body top, and the top of body fastens the pipe lid matched with body and filtering bodies top structure.After filter centrifugation, solids are trapped in filtering bodies, and liquid flows to its bottom through filtering bodies, filtering bodies are taken apart the solid and fluid product that can obtain easily being separated.Top card due to filtering bodies is combined in body top, and pipe lid matches with body and filtering bodies top structure, therefore filtering bodies firmly can be fixed in body, and the excellent sealing realized between body, filtering bodies and pipe lid three, the sealing of centrifuge tube can be improved, and prevent from occurring coming off and the loosening phenomenon of pipe lid of filtering bodies in filter process, reduce the generation of accident in experimentation, improve the security of experiment, accuracy and success rate, guarantee that experiment is smooth and easy and carry out.
Description
Technical field
The utility model belongs to experimental article field, relates to a kind of centrifuge tube, particularly a kind of filtering type centrifuge tube for Separation of Solid and Liquid.
Background technology
Centrifugal filtration is using centrifugal force as motive force, suspension is added in the centrifuge tube with filter medium (as filter screen, filter cloth), solids are trapped on filter medium, and liquid flows at the bottom of pipe through cake layer, finally completes the filter operation of solid and fluid separation applications.And laboratory generally adopts conventional centrifugal pipe, built-in filter screen or the filter cloth of installing additional voluntarily when carrying out centrifugal filtration at present, then covered tightly fixing with pipe lid.When using this simple centrifugal device to carry out centrifugal filtration, it is under the effect of centrifuge High Rotation Speed, and filter screen or coming off of filter cloth and loosening of pipe lid easily occur, thus causes being separated and unsuccessfully even have an accident.
Utility model content
The purpose of this utility model is to provide a kind of filtering type centrifuge tube, can improve the sealing of centrifuge tube, avoids coming off of filter screen or filter cloth, reduces the generation of accident in experimentation, improves the security of experiment, guarantees that experiment is smooth and easy and carries out.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of filtering type centrifuge tube, comprise body, be provided with removable filter body in body, the top of filtering bodies is provided with the lower hem structure of turning up that can be fastened on body top, and the top of body fastens the pipe lid matched with body and filtering bodies top structure.
Described filtering bodies comprises tube wall, and the bottom of tube wall is provided with filter screen, and the top of lower hem vibrational power flow at tube wall of turning up, the external diameter of tube wall and the internal diameter of body match.
The top of described body is provided with for fixing filtering bodies and the fixing fastening structure closed with pipe cover buckle, wherein fix fastening structure and comprise the annular table be arranged on tube wall, the upper surface of annular table is provided with three layers of coaxial circular boss structure, is that inner annular is protruding from inside to outside respectively, middle side annular projection and outside annular projection.
The internal diameter of described inner annular projection is identical with the internal diameter at body top, and the external diameter of outside annular projection is identical with the external diameter of annular table.
Described lower hem structure of turning up is fastened on the groove that formed between protruding and the inner annular protruding and middle side annular projection of inner annular.
Described middle side annular projection is identical with the height of outside annular projection, and the height of inner annular projection is lower than the height of outside annular projection; Lower hem structure of turning up is fastened on after in inner annular projection, and the height of lower hem structure of turning up is identical with the height of outside annular projection.
The lower surface of described pipe lid is provided with two-layer circular boss structure coaxially, be internal projecting ring and for being fastened on the outer bulge loop in the groove that formed between middle side annular projection and outside annular projection from inside to outside respectively, the external diameter of internal projecting ring and the internal diameter of tube wall match.
Relative to prior art, the beneficial effects of the utility model are:
The filtering type centrifuge tube that the utility model provides, removable filter body is set in body, and the top of filtering bodies is provided with the lower hem structure of turning up that can be fastened on body top, and have at the top of body fastening the pipe lid matched with body and filtering bodies top structure.Owing to being provided with filtering bodies in centrifuge tube of the present utility model, after filter centrifugation, solids are trapped in filtering bodies, liquid flows to its bottom through filtering bodies, the isolated by filtration of solid-liquid can be realized easily, now filtering bodies is taken apart the solid and fluid product that can obtain easily being separated.And be combined in body top due to the top card of filtering bodies, and pipe lid matches with body top and filtering bodies top structure, therefore, it is possible to filtering bodies is firmly fixed in body, and the excellent sealing realized between body, filtering bodies and pipe lid three, the sealing of centrifuge tube can be improved, and prevent from occurring coming off and the loosening phenomenon of pipe lid of filtering bodies in filter process, reduce the generation of accident in experimentation, improve the security of experiment, accuracy and success rate, guarantee that experiment is smooth and easy and carry out.
Further, the filtering type centrifuge tube that the utility model provides, engaging on the groove formed between inner annular projection and inner annular protruding and middle side annular projection by the lower hem structure of turning up at filtering bodies top, and coordinate tube wall to close supporting of body top inner wall, coordinate internal projecting ring to close supporting of tube wall top inner wall more simultaneously, in the mode of these three kinds of active force collaborate above-mentioned, filtering bodies firmly can be fixed in body, prevent filtering bodies from coming off, and because outer bulge loop is fastened on the groove formed between outside annular projection and middle side annular projection, body can be realized simultaneously, excellent sealing between filtering bodies and pipe lid.
Accompanying drawing explanation
The overall structure schematic diagram of the filtering type centrifuge tube that Fig. 1 provides for the utility model.
The structural representation of the hermetic unit of the filtering type centrifuge tube that Fig. 2 provides for the utility model.
Wherein: 1 be body, 2 be pipe lid, 3 for filtering bodies, 4 be lower hem structure of turning up, 5 be tube wall, 6 be filter screen, 11 be outside annular projection, 12 be middle side annular projection, 13 for inner annular is protruding, 14 be annular table, 21 be outer bulge loop, 22 be internal projecting ring.
Detailed description of the invention
Particular content of the present utility model is described in detail below in conjunction with the drawings and specific embodiments.
See Fig. 1-2, the filtering type centrifuge tube that the utility model provides, comprises body 1, is provided with removable filter body 3 in body 1, and the top of body 1 fastens the pipe lid 2 matched with body 1 and filtering bodies 3 top structure.Filtering bodies 3 comprises tube wall 5, and the bottom of tube wall 5 is provided with filter screen 6, and the top of tube wall 5 is provided with the lower hem structure 4 of turning up that can be fastened on body 1 top, and the external diameter of tube wall 5 and the internal diameter of body 1 match.The top of body 1 is provided with for fixing filtering bodies 3 and the fixing fastening structure fastened with pipe lid 2, wherein fix fastening structure and comprise the annular table 14 be arranged on body 1 outer wall, the upper surface of annular table 14 is provided with three layers of coaxial circular boss structure, is inner annular projection 13, middle side annular projection 12 and outside annular projection 11 from inside to outside respectively.Lower hem structure 4 of turning up is fastened on inner annular protruding 13 and on the groove that formed between inner annular protruding 13 and middle side annular projection 12.The internal diameter of inner annular projection 13 is identical with the internal diameter at body 1 top, and the external diameter of outside annular projection 11 is identical with the external diameter of annular table 14.Middle side annular projection 12 is identical with the height of outside annular projection 11, and the height of inner annular projection 13 is lower than the height of outside annular projection 11; Lower hem structure 4 of turning up is fastened on after in inner annular projection 13, and the height of lower hem structure 4 of turning up is identical with the height of outside annular projection 11.The lower surface of pipe lid 2 is provided with two-layer circular boss structure coaxially, be internal projecting ring 22 and for being fastened on the outer bulge loop 21 in the groove that formed between middle side annular projection 12 and outside annular projection 11 from inside to outside respectively, the external diameter of internal projecting ring 22 and the internal diameter of tube wall 5 match.
Operation principle of the present utility model is: the filtering type centrifuge tube that the utility model provides, by the lower hem structure 4 of turning up at filtering bodies 3 top in inner annular protruding 13 and inner annular protruding 13 and the engaging on the groove formed between middle side annular projection 12, and coordinate supporting of tube wall 5 pairs of body 1 top inner wall to close, coordinate supporting of internal projecting ring 22 pairs of tube wall 5 top inner wall to close again simultaneously, in the mode of these three kinds of active force collaborate above-mentioned, filtering bodies 3 is firmly fixed in body 1, can prevent filtering bodies 3 from coming off, and because outer bulge loop 21 is fastened on the groove formed between outside annular projection 11 and middle side annular projection 12, body 1 can be realized simultaneously, excellent sealing between filtering bodies 3 and pipe lid 2.
Using method of the present utility model is: the filtering type centrifuge tube that the utility model provides in use, first open pipe lid 2, filtering bodies 3 is loaded in body 1, and lower hem structure 4 of turning up is fastened in inner annular projection 13, then sample to be filtered is poured in filtering bodies 3, lid upper tube cap 2, this centrifuge tube is put into centrifuge to carry out centrifugal, centrifugal complete after this centrifuge tube is taken out, open pipe lid 2, the solid matter after being now separated is positioned on filter screen 6, and liquid is positioned at bottom body 1, take out filtering bodies 3, namely obtain products of separated.
It is emphasized that: be only the better embodiment that the utility model is shown and introduced above; not any pro forma restriction is done to the utility model; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still in protection domain of the present utility model.
Claims (7)
1. a filtering type centrifuge tube, it is characterized in that: comprise body (1), removable filter body (3) is provided with in body (1), the top of filtering bodies (3) is provided with the lower hem structure (4) of turning up that can be fastened on body (1) top, and the top of body (1) fastens the pipe lid (2) matched with body (1) and filtering bodies (3) top structure.
2. filtering type centrifuge tube according to claim 1, it is characterized in that: described filtering bodies (3) comprises tube wall (5), the bottom of tube wall (5) is provided with filter screen (6), lower hem structure of turning up (4) is arranged on the top of tube wall (5), and the external diameter of tube wall (5) and the internal diameter of body (1) match.
3. filtering type centrifuge tube according to claim 1 and 2, it is characterized in that: the top of described body (1) is provided with for fixing filtering bodies (3) and the fixing fastening structure fastened with pipe lid (2), wherein fix fastening structure and comprise the annular table (14) be arranged on body (1) outer wall, the upper surface of annular table (14) is provided with three layers of coaxial circular boss structure, is inner annular projection (13), middle side annular projection (12) and outside annular projection (11) from inside to outside respectively.
4. filtering type centrifuge tube according to claim 3, it is characterized in that: the internal diameter of described inner annular projection (13) is identical with the internal diameter at body (1) top, the external diameter of outside annular projection (11) is identical with the external diameter of annular table (14).
5. filtering type centrifuge tube according to claim 3, is characterized in that: described lower hem structure (4) of turning up is fastened on inner annular projection (13) and on the groove that formed between inner annular projection (13) and middle side annular projection (12).
6. filtering type centrifuge tube according to claim 5, it is characterized in that: described middle side annular projection (12) is identical with the height of outside annular projection (11), the height of inner annular projection (13) is lower than the height of outside annular projection (11); Lower hem structure of turning up (4) is fastened on after in inner annular projection (13), and the height of lower hem structure of turning up (4) is identical with the height of outside annular projection (11).
7. filtering type centrifuge tube according to claim 5, it is characterized in that: the lower surface of described pipe lid (2) is provided with two-layer circular boss structure coaxially, be internal projecting ring (22) and for being fastened on the outer bulge loop (21) in the groove that formed between middle side annular projection (12) and outside annular projection (11) from inside to outside respectively, the external diameter of internal projecting ring (22) and the internal diameter of tube wall (5) match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090977.7U CN204503132U (en) | 2015-02-09 | 2015-02-09 | A kind of filtering type centrifuge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090977.7U CN204503132U (en) | 2015-02-09 | 2015-02-09 | A kind of filtering type centrifuge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204503132U true CN204503132U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520090977.7U Expired - Fee Related CN204503132U (en) | 2015-02-09 | 2015-02-09 | A kind of filtering type centrifuge tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN204503132U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842039A (en) * | 2016-05-12 | 2016-08-10 | 河海大学 | Centrifuge shield device for centrifugal extraction of soil solution |
| CN106799311A (en) * | 2017-02-28 | 2017-06-06 | 蚌埠市兴利离心机制造有限公司 | A kind of rotary drum filter cloth fixed structure of vertical centrifugal machine |
| CN107398312A (en) * | 2016-03-05 | 2017-11-28 | 劳伦迪勒（昆山）机械工程有限公司 | A kind of biologic medical analyzes detection centrifuge tube |
| CN108896364A (en) * | 2018-06-19 | 2018-11-27 | 河北医科大学 | For feed, livestock fecaluria, tissue sample pre-treatment centrifugal ultrafiltration unit |
-
2015
- 2015-02-09 CN CN201520090977.7U patent/CN204503132U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398312A (en) * | 2016-03-05 | 2017-11-28 | 劳伦迪勒（昆山）机械工程有限公司 | A kind of biologic medical analyzes detection centrifuge tube |
| CN107413408A (en) * | 2016-03-05 | 2017-12-01 | 劳伦迪勒（昆山）机械工程有限公司 | A kind of medical test centrifuge tube |
| CN105842039A (en) * | 2016-05-12 | 2016-08-10 | 河海大学 | Centrifuge shield device for centrifugal extraction of soil solution |
| CN105842039B (en) * | 2016-05-12 | 2018-12-18 | 河海大学 | A kind of centrifugal centrifuge shield device for extracting the soil liquid |
| CN106799311A (en) * | 2017-02-28 | 2017-06-06 | 蚌埠市兴利离心机制造有限公司 | A kind of rotary drum filter cloth fixed structure of vertical centrifugal machine |
| CN108896364A (en) * | 2018-06-19 | 2018-11-27 | 河北医科大学 | For feed, livestock fecaluria, tissue sample pre-treatment centrifugal ultrafiltration unit |
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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: 20150729 Termination date: 20160209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |