CN219540347U - Cover-connected centrifuge tube - Google Patents
Cover-connected centrifuge tube Download PDFInfo
- Publication number
- CN219540347U CN219540347U CN202320577469.6U CN202320577469U CN219540347U CN 219540347 U CN219540347 U CN 219540347U CN 202320577469 U CN202320577469 U CN 202320577469U CN 219540347 U CN219540347 U CN 219540347U
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- China
- Prior art keywords
- cover plate
- cover
- fixing part
- annular inner
- cavity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Centrifugal Separators (AREA)
Abstract
The utility model relates to the technical field of experimental equipment, in particular to a cover-connected centrifuge tube, which comprises a tube body and a cover body, wherein the cover body comprises a cover plate and a fixing part, the cover plate is rotationally connected to the tube body, the fixing part is of a cylinder structure with a big upper part and a small lower part, and the upper end of the fixing part is fixed on the lower surface of the cover plate facing the tube body; the included angle between the outer wall surface of the fixing part and the lower surface of the cover plate is 91-95 degrees; the cover body is internally provided with a containing cavity, and the containing space is filled with liquid; an annular inner cavity is formed in the lower end of the fixed part, and the accommodating space is communicated with the annular inner cavity; the fixing part corresponding to the annular inner cavity is made of elastic materials; according to the utility model, through the inclined outer wall of the fixing part, the fixing part is not completely attached to the inner wall of the pipe body, so that the contact area of the fixing part and the inner wall of the pipe body is reduced, and the pipe is convenient to open and close; through holding cavity, annular inner chamber and the liquid of packing, can be when centrifuging tube centrifugation work, can be when centrifuging work liquid entering annular inner chamber produces pressure and expands all around.
Description
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to a cover-connected centrifuge tube.
Background
In biological and medical research experiments, centrifuge tubes are commonly used experimental consumables, and commonly used centrifuge tube specifications are 1.5mL, 2mL, 5mL, 10mL, 15mL, 50mL and the like, and more centrifuge tubes are used, namely 10mL and 50 mL. The end part of the cover of the existing cover-connected centrifuge tube (or flip centrifuge tube, hereinafter collectively referred to as cover-connected centrifuge tube) is of a protruding structure, when in use, the protruding position is required to be broken by hands to be lifted upwards, the tube cover is buckled after liquid is injected, and after centrifugation is finished, the cover is opened by the same method to extract supernatant and the like.
At present, the opening of the cover-connected centrifuge tube is basically finished manually. During the course of the experiment, centrifuge tubes used were of different specifications and sometimes of large numbers, up to tens to hundreds. Under the condition of large quantity, when the centrifuge tube is manually repeatedly opened for a plurality of times, the finger can be red and painful, and the finger skin is damaged when serious; the reason for this is that when the centrifuge tube is opened, the cover end needs to be opened, and due to the structural problem of the cover end, namely, the bottom of the tube cover is provided with a fixing part which stretches into the tube body to be attached to the inner wall of the tube body to form a closed fixation; however, such a structure makes it difficult to open and close the lid, especially when the lid is opened, the fixing portion is generally in a flexible circular tube shape, and the contact surface between the fixing portion and the inner wall of the tube body is always large due to the flip structure, which causes trouble in opening, but the actual sealing is required mainly in the centrifugal process, and is not required in the initial opening and final opening processes.
Therefore, there is a need for a coverable centrifuge tube that can promote the sealing effect during the separation process while only ensuring a partial sealing effect at ordinary times, so as to avoid damage to the operator's finger portion.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the cover-connected centrifuge tube which can improve the sealing effect in the separation process and only needs to ensure partial sealing effect at ordinary times.
In order to solve the technical problems, the utility model adopts the following technical scheme: the cover body comprises a cover plate and a fixing part, the cover plate is rotationally connected to the pipe body, the fixing part is of a cylinder structure with a big top and a small bottom, and the upper end of the fixing part is fixed on the lower surface of the cover plate facing the pipe body; the included angle between the outer wall surface of the fixing part and the lower surface of the cover plate is 91-95 degrees;
a containing cavity is formed in the cover body, and liquid is filled in the containing cavity;
an annular inner cavity is formed in the lower end of the fixed part, and the accommodating cavity is communicated with the annular inner cavity; the fixed part corresponding to the annular inner cavity is made of elastic materials.
Preferably, the cover plate and the fixing part are made of transparent materials, and the liquid is colored liquid.
Preferably, the elasticity of the outer wall of the fixing part corresponding to the annular inner cavity is larger than that of the inner wall.
Preferably, a connecting part is further arranged between the fixing part and the cover plate, the connecting part is a cylinder, and the outer wall of the connecting part is perpendicular to the lower surface of the cover plate; the connecting part is internally provided with a channel for communicating the accommodating cavity with the annular inner cavity.
Preferably, a hard bulge is arranged on the outer edge of the lower surface of the cover plate, and a fixing groove is formed between the hard bulge and the cover plate between the fixing part brackets;
the top edge of the pipe body is provided with a fixed outer edge matched with the fixed groove.
Preferably, a plurality of notches are uniformly distributed on the top and the bottom of the fixed outer edge.
Preferably, the elastic material is silica gel or latex.
The utility model has the beneficial effects that: the cover body can be conveniently opened by the included angle between the outer wall surface of the fixing part and the lower surface of the cover plate of 91-95 degrees, and the fixing part is not completely attached to the inner wall of the pipe body due to the inclined outer wall of the fixing part, so that the contact area of the fixing part and the inner wall of the pipe body is reduced, the friction force caused by Van der Waals force is reduced, and the cover body is convenient to open and close; through holding cavity, annular inner chamber and the liquid of packing, can be at centrifuging tube centrifugal operation, through the elasticity material that corresponds, can be at centrifugal operation during liquid entering annular inner chamber production pressure to expansion all around, like the balloon that aerifys generally forms sealedly, guarantees that centrifugal operation during avoids leaking, can reduce frictional force at the unoperated time simultaneously, and the convenience is opened, promotes efficiency.
Drawings
FIG. 1 is a schematic view of a coverable centrifuge tube in accordance with one embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a cap of a coverable centrifuge tube in accordance with an embodiment of the present utility model;
description of the reference numerals: 1. a tube body; 11. fixing the outer edge; 12. a notch; 2. a cover body; 21. a cover plate; 22. a fixing part; 23. a receiving cavity; 24. an annular inner cavity; 25. a connection part; 26. a channel; 27. a hard protrusion; 28. a fixing groove.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 2, the cover-connected centrifuge tube of the present utility model comprises a tube body 1 and a cover body 2, wherein the cover body 2 comprises a cover plate 21 and a fixing portion 22, the cover plate 21 is rotatably connected to the tube body 1, the fixing portion 22 has a cylindrical structure with a large top and a small bottom, and the upper end of the fixing portion 22 is fixed on the lower surface of the cover plate 21 facing the tube body 1; the included angle between the outer wall surface of the fixing part 22 and the lower surface of the cover plate 21 is 91-95 degrees;
a containing cavity 23 is arranged in the cover body 2, and the containing cavity is filled with liquid;
an annular inner cavity 24 is arranged in the lower end of the fixed part 22, and the accommodating cavity is communicated with the annular inner cavity 24; the fixing portion 22 corresponding to the annular cavity 24 is made of elastic material.
As can be seen from the above description, the cover 2 can be conveniently opened by forming an included angle between the outer wall surface of the fixing portion 22 and the lower surface of the cover 21 of 91 ° -95 °, and the inclined outer wall of the fixing portion 22 prevents the fixing portion 22 from being completely attached to the inner wall of the tube 1, so that the contact area between the fixing portion and the inner wall is reduced, the friction caused by van der waals force is reduced, and the opening and the closing are facilitated; through holding cavity 23, annular inner chamber 24 and the liquid of packing, can be at centrifuging tube centrifugal operation, through the elasticity material that corresponds, can be at centrifugal operation time liquid entering annular inner chamber 24 produces pressure and to expansion all around, like the balloon that aerifys generally forms sealedly, guarantees that centrifugal operation time avoids leaking, can reduce frictional force at the unoperated time simultaneously, and convenient opening promotes efficiency.
Further, the cover 21 and the fixing portion 22 are made of transparent materials, and the liquid is a colored liquid.
From the above description, the cover plate 21 and the fixing portion 22 made of transparent materials can better observe the state of the liquid, and meanwhile, when the accommodating cavity 23 and the annular inner cavity 24 generate cracks or breaks, the chromatic aberration of the two parts can be directly observed, so that the damaged cover-connected centrifuge tube is prevented from influencing the test structure.
Further, the elasticity of the outer wall of the fixing portion 22 corresponding to the annular inner cavity 24 is greater than that of the inner wall.
From the above description, it is understood that the annular inner chamber 24 can be expanded toward the outside in the direction of expansion by the inner wall being less elastic than the outer wall.
Further, a connecting portion 25 is further provided between the fixing portion 22 and the cover 21, the connecting portion 25 is a cylinder, and an outer wall of the connecting portion 25 is perpendicular to a lower surface of the cover 21; the connecting portion 25 is internally provided with a passage 26 for the housing cavity 23 to communicate with the annular inner cavity 24.
As can be seen from the above description, the rice flour effect in the non-working state is ensured by the additional connection portion 25.
Further, a hard protrusion 27 is provided on the outer edge of the lower surface of the cover plate 21, and a fixing groove 28 is formed between the hard protrusion 27 and the cover plate 21 between the brackets of the fixing part 22;
the top edge of the pipe body 1 is provided with a fixed outer edge 11 matched with the fixed groove 28.
As is apparent from the above description, the cover 2 can be stably fixed to the tube body 1 by the engagement of the fixing rim 11 with the fixing groove 28.
Further, a plurality of notches 12 are uniformly distributed on the top and the bottom of the fixed outer edge.
From the above description, the provision of a plurality of notches 12 facilitates subsequent pipetting of the capped centrifuge tube.
Further, the elastic material is silica gel or latex.
Example 1
The cover-connected centrifuge tube comprises a tube body 1 and a cover body 2, wherein the cover body 2 comprises a cover plate 21 and a fixing part 22, the cover plate 21 is rotatably connected to the tube body 1, the fixing part 22 is of a cylinder structure with a big top and a small bottom, and the upper end of the fixing part 22 is fixed on the lower surface of the cover plate 21 facing the tube body 1; the included angle between the outer wall surface of the fixing part 22 and the lower surface of the cover plate 21 is 93 degrees;
a containing cavity 23 is arranged in the cover body 2, and the containing cavity is filled with liquid;
an annular inner cavity 24 is arranged in the lower end of the fixed part 22, and the accommodating cavity is communicated with the annular inner cavity 24; the fixing portion 22 corresponding to the annular cavity 24 is made of elastic material.
The cover plate 21 and the fixing portion 22 are made of transparent materials, and the liquid is colored liquid.
A connecting part 25 is further arranged between the fixing part 22 and the cover plate 21, the connecting part 25 is a cylinder, and the outer wall of the connecting part 25 is perpendicular to the lower surface of the cover plate 21; the connecting portion 25 is internally provided with a passage 26 for the housing cavity 23 to communicate with the annular inner cavity 24.
A hard bulge 27 is arranged on the outer edge of the lower surface of the cover plate 21, and a fixing groove 28 is formed between the hard bulge 27 and the cover plate 21 between the brackets of the fixing part 22;
the top edge of the pipe body 1 is provided with a fixed outer edge 11 matched with the fixed groove 28.
A plurality of notches 12 are uniformly distributed at the top and the bottom of the fixed outer edge.
The elastic material is latex.
Example two
The cover-connected centrifuge tube comprises a tube body 1 and a cover body 2, wherein the cover body 2 comprises a cover plate 21 and a fixing part 22, the cover plate 21 is rotatably connected to the tube body 1, the fixing part 22 is of a cylinder structure with a big top and a small bottom, and the upper end of the fixing part 22 is fixed on the lower surface of the cover plate 21 facing the tube body 1; the included angle between the outer wall surface of the fixing part 22 and the lower surface of the cover plate 21 is 91 degrees;
a containing cavity 23 is arranged in the cover body 2, and the containing cavity is filled with liquid;
an annular inner cavity 24 is arranged in the lower end of the fixed part 22, and the accommodating cavity is communicated with the annular inner cavity 24; the fixing portion 22 corresponding to the annular cavity 24 is made of elastic material.
The cover plate 21 and the fixing portion 22 are made of transparent materials, and the liquid is colored liquid.
A connecting part 25 is further arranged between the fixing part 22 and the cover plate 21, the connecting part 25 is a cylinder, and the outer wall of the connecting part 25 is perpendicular to the lower surface of the cover plate 21; the connecting portion 25 is internally provided with a passage 26 for the housing cavity 23 to communicate with the annular inner cavity 24.
The elastic material is silica gel.
Example III
The cover-connected centrifuge tube comprises a tube body 1 and a cover body 2, wherein the cover body 2 comprises a cover plate 21 and a fixing part 22, the cover plate 21 is rotatably connected to the tube body 1, the fixing part 22 is of a cylinder structure with a big top and a small bottom, and the upper end of the fixing part 22 is fixed on the lower surface of the cover plate 21 facing the tube body 1; the included angle between the outer wall surface of the fixing part 22 and the lower surface of the cover plate 21 is 95 degrees;
a containing cavity 23 is arranged in the cover body 2, and the containing cavity is filled with liquid;
an annular inner cavity 24 is arranged in the lower end of the fixed part 22, and the accommodating cavity is communicated with the annular inner cavity 24; the fixing portion 22 corresponding to the annular cavity 24 is made of elastic material.
The cover plate 21 and the fixing portion 22 are made of transparent materials, and the liquid is colored liquid.
The elasticity of the outer wall of the fixing part 22 corresponding to the annular inner cavity 24 is greater than that of the inner wall.
A connecting part 25 is further arranged between the fixing part 22 and the cover plate 21, the connecting part 25 is a cylinder, and the outer wall of the connecting part 25 is perpendicular to the lower surface of the cover plate 21; the connecting portion 25 is internally provided with a passage 26 for the housing cavity 23 to communicate with the annular inner cavity 24.
A hard bulge 27 is arranged on the outer edge of the lower surface of the cover plate 21, and a fixing groove 28 is formed between the hard bulge 27 and the cover plate 21 between the brackets of the fixing part 22;
the top edge of the pipe body 1 is provided with a fixed outer edge 11 matched with the fixed groove 28.
A plurality of notches 12 are uniformly distributed at the top and the bottom of the fixed outer edge.
The elastic material is latex.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (7)
1. The cover-connected centrifuge tube is characterized by comprising a tube body and a cover body, wherein the cover body comprises a cover plate and a fixing part, the cover plate is rotatably connected to the tube body, the fixing part is of a cylindrical structure with a large upper part and a small lower part, and the upper end of the fixing part is fixed on the lower surface of the cover plate facing the tube body; the included angle between the outer wall surface of the fixing part and the lower surface of the cover plate is 91-95 degrees;
a containing cavity is formed in the cover body, and liquid is filled in the containing cavity;
an annular inner cavity is formed in the lower end of the fixed part, and the accommodating cavity is communicated with the annular inner cavity; the fixed part corresponding to the annular inner cavity is made of elastic materials.
2. The covered centrifuge tube of claim 1, wherein the cover plate and the securing portion are transparent and the liquid is a colored liquid.
3. The covered centrifuge tube of claim 1, wherein the outer wall of the securing portion corresponding to the annular cavity is more elastic than the inner wall.
4. The cover-connected centrifuge tube of claim 1, wherein a connecting part is further arranged between the fixing part and the cover plate, the connecting part is a cylinder, and the outer wall of the connecting part is perpendicular to the lower surface of the cover plate; the connecting part is internally provided with a channel for communicating the accommodating cavity with the annular inner cavity.
5. The cover-connected centrifuge tube of claim 1, wherein a hard protrusion is arranged on the outer edge of the lower surface of the cover plate, and a fixing groove is formed between the hard protrusion and the cover plate of the fixing part bracket;
the top edge of the pipe body is provided with a fixed outer edge matched with the fixed groove.
6. The covered centrifuge tube of claim 5, wherein the stationary outer rim has a plurality of notches evenly distributed at the top and bottom.
7. The covered centrifuge tube of claim 5, wherein the elastic material is silicone or latex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577469.6U CN219540347U (en) | 2023-03-22 | 2023-03-22 | Cover-connected centrifuge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577469.6U CN219540347U (en) | 2023-03-22 | 2023-03-22 | Cover-connected centrifuge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219540347U true CN219540347U (en) | 2023-08-18 |
Family
ID=87706944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320577469.6U Active CN219540347U (en) | 2023-03-22 | 2023-03-22 | Cover-connected centrifuge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219540347U (en) |
-
2023
- 2023-03-22 CN CN202320577469.6U patent/CN219540347U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |