CN213886287U - Biological safety is test-tube rack for cabinet - Google Patents
Biological safety is test-tube rack for cabinet Download PDFInfo
- Publication number
- CN213886287U CN213886287U CN202021849089.6U CN202021849089U CN213886287U CN 213886287 U CN213886287 U CN 213886287U CN 202021849089 U CN202021849089 U CN 202021849089U CN 213886287 U CN213886287 U CN 213886287U
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- Prior art keywords
- test tube
- hole
- tube rack
- blind hole
- threaded rod
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- Expired - Fee Related
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- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000004113 cell culture Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a biological safety technical field specifically is a biological safety is test-tube rack for cabinet, include: the base, four telescopic links of perpendicular fixedly connected with in base top four corners department, telescopic link top fixedly connected with roof, the outside cover of telescopic link is equipped with the spring, the threaded rod is worn to be equipped with along its length direction in the telescopic link is inside, threaded connection has butterfly nut on the threaded rod, a plurality of blind hole has been seted up to the base, the fixed elastic component that installs in the blind hole, set up the through-hole of a plurality of and blind hole looks adaptation on the roof, the through-hole is provided with the stopper, the fixed shielding piece that is provided with in through-hole top, the fixed test tube body that is provided with between through-hole bottom and the blind hole, the utility model discloses can carry out corresponding regulation according to the difference of test tube body length to satisfy placing of different length test tube bodies, increase the wide applicability of device.
Description
Technical Field
The utility model relates to a biological safety technical field specifically is a biological test-tube rack for safety cabinet.
Background
In the process of culturing and researching biological cells, test tubes filled with cell culture solution and reagents need to be placed in a biological safety cabinet for cell culture, and in order to improve the placing capacity and the safety performance, a test tube rack is usually arranged in the biological safety cabinet for placing the test tubes.
The existing test tube rack is composed of a bottom plate with a plurality of blind holes on the surface, and a top plate which is connected right above the bottom plate through a support column and is provided with through holes which are in one-to-one correspondence with the blind holes on the bottom plate. In order to prevent the cells from being polluted, the internal environment of the biological safety cabinet is required to be in an aseptic state, so that an air pipe is arranged in the conventional biological safety cabinet and is ventilated to prevent the outside air carrying bacteria and viruses from entering the air pipe. Because the test tube is vertically arranged in the test tube rack, when gas is introduced, the gas has great impact force on the culture solution in the test tube, and is extremely unfavorable for the culture of cells. In addition, current test-tube rack is for placing perpendicularly in the test-tube rack, and its palm easily touches the test tube mouth when placing and taking out, causes the pollution to the test tube easily, for this reason, we have proposed a biological safety is test-tube rack for cabinet with the above-mentioned drawback of good solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a biological safety is test-tube rack for cabinet to solve the problem that proposes among the above-mentioned background art.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a test tube rack for a biosafety cabinet, comprising: the base, four perpendicular fixedly connected with telescopic links in base top four corners department, telescopic link top fixedly connected with roof, the outside cover of telescopic link is equipped with the spring, the inside threaded rod that wears to be equipped with along its length direction of telescopic link, threaded connection has butterfly nut on the threaded rod, a plurality of blind hole has been seted up to the base, the fixed elastic component that installs in the blind hole, set up on the roof a plurality of with the through-hole of blind hole looks adaptation, the through-hole is provided with the stopper, the fixed shielding piece that is provided with in through-hole top, the fixed test tube body that is provided with between through-hole bottom and the blind hole.
Furthermore, the threaded rod penetrates through the upper surface of the top plate, the bottom of the threaded rod is fixedly connected with the base, and the bottom of the butterfly nut is extruded on the upper surface of the top plate.
Furthermore, four insertion holes matched with the threaded rods are formed in the base, and one test tube rack is connected through the insertion hole formed in the top of the threaded rod and inserted into the other test tube rack.
Further, the elastic component is a spring, the smooth end at the bottom of the test tube body is embedded in the top opening of the elastic component, and the bottom of the elastic component is fixedly connected with the bottom of the inner wall of the blind hole through a bolt.
Further, the stopper is cyclic annular, and the stopper is fixed to be set up in the middle part of through-hole, the bottom of stopper is lived at the end of the mouth of pipe end of test tube body.
Furthermore, the shielding piece is in threaded connection with the upper portion of the through hole, the bottom of the shielding piece is in an open state, air holes are uniformly formed in the upper portion of the side wall of the shielding piece in a surrounding mode, and the height of the upper surface of the shielding piece is lower than that of the top end of the butterfly nut.
Compared with the prior art, the utility model provides a biological safety is test-tube rack for cabinet possesses following beneficial effect:
1. the utility model discloses, anticlockwise rotation butterfly nut under the elasticity of spring, can increase the distance between roof and the base to can place longer test tube body, otherwise, clockwise rotation butterfly nut can shorten the distance between roof and the base, thereby can place shorter test tube body, and the device can carry out corresponding regulation according to the difference of test tube body length when using, in order to satisfy the placing of different length test tube bodies, increases the extensive suitability of device;
2. the utility model discloses, through setting up the cooperation use of blind hole, elastic component, through-hole and stopper, all need not hold between the fingers the test tube body open end with the hand when getting and putting the test tube body, only need hold between the fingers the outer wall middle part of test tube body, then insert the test tube body bottom in the blind hole and compress the elastic component, aim at the test tube body mouth of pipe bottom of through-hole, after loose hand, the test tube body is fixed in between through-hole and blind hole under the elastic force of elastic component;
3. the utility model discloses, through setting up the shielding piece, at the cell culture in-process, avoided the air current to strike this internal culture solution of test tube, seted up the bleeder vent at the shielding piece lateral wall simultaneously, the inside accessible bleeder vent of test tube body exchanges with the air in the biological safety cabinet to this satisfies the requirement to oxygen of biological cultivation.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is an enlarged schematic structural view of fig. 1 a according to the present invention;
fig. 3 is an enlarged schematic structural diagram of the utility model at B in fig. 1.
In the figure: 1-a base; 2, a telescopic rod; 3-a top plate; 4-a spring; 5-a threaded rod; 6-butterfly nut; 7-blind holes; 8-an elastic member; 9-a through hole; 10-a limiting block; 11-a shield; 12-a cuvette body; 13-a plug hole; 14-air holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a test tube rack for a biosafety cabinet, comprising: base 1, four telescopic links 2 of the perpendicular fixedly connected with in base 1 top four corners department, 2 top fixedly connected with roofs 3 of telescopic link, 2 outside covers of telescopic link are equipped with spring 4, 2 inside threaded rod 5 of wearing to be equipped with along its length direction of telescopic link, threaded rod 5 goes up threaded connection has butterfly nut 6, base 1 has seted up a plurality of blind hole 7, blind hole 7 internal fixation has elastic component 8, set up the through-hole 9 of a plurality of and 7 looks adaptations of blind hole on the roof 3, through-hole 9 is provided with stopper 10, the fixed shielding component 11 that is provided with in through-hole 9 top, the fixed test tube body 12 that is provided with between through-hole 9 bottom and the blind hole 7.
Wherein the threaded rod 5 penetrates through the upper surface of the top plate 3, the bottom of the threaded rod 5 is fixedly connected with the base 1, the bottom of the butterfly nut 6 is extruded on the upper surface of the top plate 3, the base 1 is provided with four insertion holes 13 matched with the threaded rod 5, one test tube rack is inserted into the insertion hole 13 of the other test tube rack through the top of the threaded rod 5 for connection, the butterfly nut 6 is rotated anticlockwise, under the elastic force of the spring 4, the distance between the top plate 3 and the base 0 can be increased, so that a longer test tube body 12 can be placed, on the contrary, the butterfly nut 6 is rotated clockwise, the distance between the top plate 3 and the base 1 can be shortened, so that a shorter test tube body 12 can be placed, the device can carry out corresponding regulation according to the difference of test tube body 12 length when using to satisfy placing of different length test tube body 12, increase the extensive suitability of device.
Wherein, elastic component 8 is the spring, the rounding off end in test tube body 12 bottom inlays the open-top of locating elastic component 8, bolt fixed connection is passed through to elastic component 8 bottom and 7 inner wall bottoms of blind hole, stopper 10 is cyclic annularly, and stopper 10 is fixed to be set up in the middle part of through-hole 9, the bottom of stopper 10 is lived at the end of the mouth of pipe end of test tube body 12, through setting up blind hole 7, elastic component 8, through-hole 9 and stopper 10's cooperation is used, all need not hold between the hands test tube body 12 open end when getting and putting test tube body 12, only need hold between the outer wall middle part of test tube body 12, then insert blind hole 7 internal compression elastic component 8 bottom test tube body 12, aim at through-hole 9 bottom with test tube body 12 mouth of pipe after loosening, test tube body 12 is fixed in between through-hole 9 and blind hole 7 under elastic component 8's elastic force.
Wherein, 11 threaded connection of shielding piece in through-hole 9 upper portions, 11 bottom outer opening state of shielding piece, the upper portion of 11 lateral walls of shielding piece encircles evenly has seted up bleeder vent 14, the height on the bottom of the height on 6 tops of butterfly nut of shielding piece 11 upper surface, through setting up shielding piece 11, in the cell culture process, avoided the air current to strike the culture solution in test tube body 12, bleeder vent 14 has been seted up at 11 lateral walls of shielding piece simultaneously, the inside accessible bleeder vent 14 of test tube body 12 exchanges with the air in the biological safety cabinet, with this requirement to oxygen that satisfies biological cultivation.
The working principle is as follows: in the use process of the utility model, the butterfly nut 6 is rotated anticlockwise, under the elasticity of the spring 4, the distance between the top plate 3 and the base 0 can be increased, so that a longer test tube body 12 can be placed, otherwise, the butterfly nut 6 is rotated clockwise, the distance between the top plate 3 and the base 1 can be shortened, so that a shorter test tube body 12 can be placed, when the device is used, corresponding adjustment can be carried out according to the length difference of the test tube body 12, so as to meet the placing of the test tube bodies 12 with different lengths, the wide applicability of the device is increased, through the matching use of the blind hole 7, the elastic piece 8, the through hole 9 and the limiting block 10, the open end of the test tube body 12 is not required to be held by hand when the test tube body 12 is taken and placed, only the middle part of the outer wall of the test tube body 12 is held, then the bottom of the test tube body 12 is inserted into the blind hole 7 to compress the elastic piece 8, then the orifice of the test tube body 12 is aligned to the bottom of the through hole 9, after loose hand, test tube body 12 is fixed in between through-hole 9 and blind hole 7 under the elastic force of elastic component 8, through setting up shielding piece 11, at the cell culture in-process, has avoided the air current to strike the culture solution in test tube body 12, has seted up bleeder vent 14 at shielding piece 11 lateral wall simultaneously, and the inside accessible bleeder vent 14 of test tube body 12 exchanges with the air in the biological safety cabinet to this satisfies biological cultivation's requirement to oxygen.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A test tube rack for a biosafety cabinet, comprising: base (1), its characterized in that: base (1) top four corners department four perpendicular fixedly connected with telescopic link (2), telescopic link (2) top fixedly connected with roof (3), telescopic link (2) outside cover is equipped with spring (4), threaded rod (5) are worn to be equipped with along its length direction in telescopic link (2) inside, threaded rod (5) are gone up threaded connection and are had butterfly nut (6), a plurality of blind hole (7) have been seted up in base (1), blind hole (7) internal fixation has elastic component (8), set up on roof (3) a plurality of with through-hole (9) of blind hole (7) looks adaptation, through-hole (9) are provided with stopper (10), through-hole (9) top is fixed and is provided with shielding piece (11), fixed test tube body (12) that are provided with between through-hole (9) bottom and blind hole (7).
2. The test tube rack for the biosafety cabinet according to claim 1, characterized in that: the threaded rod (5) penetrates through the upper surface of the top plate (3), the bottom of the threaded rod (5) is fixedly connected with the base (1), and the bottom of the butterfly nut (6) is extruded on the upper surface of the top plate (3).
3. The test tube rack for the biosafety cabinet according to claim 2, characterized in that: four inserting holes (13) matched with the threaded rod (5) are formed in the base (1), and one test tube rack is connected through the inserting hole (13) formed in the top of the threaded rod (5) and inserted into the other test tube rack.
4. The test tube rack for the biosafety cabinet according to claim 1, characterized in that: elastic component (8) are the spring, test tube body (12) bottom rounding off end inlays and locates the open-top of elastic component (8), bolt fixed connection is passed through with blind hole (7) inner wall bottom in elastic component (8) bottom.
5. The test tube rack for the biosafety cabinet according to claim 1, characterized in that: stopper (10) are cyclic annular, and stopper (10) are fixed to be set up in the middle part of through-hole (9), the bottom of stopper (10) is lived at the mouth of pipe end of test tube body (12).
6. The test tube rack for the biosafety cabinet according to claim 1, characterized in that: the novel butterfly nut is characterized in that the shielding piece (11) is in threaded connection with the upper portion of the through hole (9), the bottom of the shielding piece (11) is in an open state, air holes (14) are uniformly formed in the upper portion of the side wall of the shielding piece (11) in a surrounding mode, and the height of the upper surface of the shielding piece (11) is lower than that of the top end of the butterfly nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849089.6U CN213886287U (en) | 2020-08-30 | 2020-08-30 | Biological safety is test-tube rack for cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849089.6U CN213886287U (en) | 2020-08-30 | 2020-08-30 | Biological safety is test-tube rack for cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213886287U true CN213886287U (en) | 2021-08-06 |
Family
ID=77110238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021849089.6U Expired - Fee Related CN213886287U (en) | 2020-08-30 | 2020-08-30 | Biological safety is test-tube rack for cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213886287U (en) |
-
2020
- 2020-08-30 CN CN202021849089.6U patent/CN213886287U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210806 |