CN212441290U - Test-tube rack and nitrogen blowing instrument - Google Patents
Test-tube rack and nitrogen blowing instrument Download PDFInfo
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- CN212441290U CN212441290U CN202020538724.2U CN202020538724U CN212441290U CN 212441290 U CN212441290 U CN 212441290U CN 202020538724 U CN202020538724 U CN 202020538724U CN 212441290 U CN212441290 U CN 212441290U
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Abstract
The utility model discloses a test-tube rack and nitrogen-blowing instrument, the test-tube rack is applied to in the nitrogen-blowing instrument, and the nitrogen-blowing instrument sets up a plurality of holes of placing including carrying appearance frame on carrying appearance frame, carries appearance frame, and the test-tube rack includes tray and a plurality of body, is equipped with a plurality of first through-holes on the tray, and a plurality of first through-holes respectively with a plurality of hole one-to-ones of placing, a plurality of bodies are inserted respectively and are located in a plurality of first through-holes, the outer wall of a plurality of bodies is laminated with the inner wall of a plurality of first through-holes respectively mutually. Before the nitrogen blowing operation, a plurality of test tubes for storing samples can be respectively placed in a plurality of tube bodies on a test tube rack at positions which are convenient to operate, such as the position below a nitrogen blowing instrument, and the like, and then the test tube rack is integrally placed on a sample carrying rack, and the plurality of tube bodies of the test tube rack correspond to the plurality of placing holes of the sample carrying rack one by one, so that the plurality of test tubes can be placed on the sample carrying rack simultaneously; after the nitrogen blowing operation is completed, the test tube rack is taken down, so that the test tubes are synchronously taken down.
Description
Technical Field
The utility model relates to an analytical instrument technical field especially relates to a test-tube rack and nitrogen blowing appearance.
Background
The nitrogen blowing instrument is used for blowing nitrogen to the surface of a heating sample, so that moisture in the sample to be processed is rapidly evaporated and separated, the anaerobic concentration of the sample is realized, a concentrated result can be rapidly obtained, and the oxygen-free nitrogen-blowing instrument has the characteristics of time saving, convenience in operation and the like.
The heating sample is deposited in the test tube, places the test tube on the appearance is blown to nitrogen is used for depositing the year appearance frame of test tube, then blows in the test tube with nitrogen gas through the air blow needle, can realize the anaerobic concentration of sample. Carry appearance frame and generally be equipped with a plurality of holes of placing, can supply many test tubes to carry out the nitrogen simultaneously and blow the operation, before the nitrogen blows the operation, need put into a plurality of test tubes of depositing the sample one by one and place the hole, after the nitrogen blows the operation, the test tube that will deposit the sample again will take out one by one, nevertheless because the position of carrying the appearance on the nitrogen blowing appearance of appearance is set up than higher, and a plurality of test tubes are long, and is inefficient in the access operation on carrying the appearance frame.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a test-tube rack and nitrogen blows appearance for solve the problem that many test tubes are long consuming time and inefficiency in the access operation on carrying the appearance frame.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a test-tube rack, is applied to in the nitrogen blowing appearance, the nitrogen blowing appearance is including carrying the appearance frame, it places the hole to carry to be provided with a plurality of on the appearance frame, the test-tube rack includes:
the tray is provided with a plurality of first through holes, and the first through holes are in one-to-one correspondence with the placing holes respectively.
And the body is used for placing the test tube, and is a plurality of the body is inserted respectively and is located a plurality of in the first through-hole, it is a plurality of the outer wall of body is laminated with a plurality of the inner wall of first through-hole respectively mutually.
Further, this test-tube rack still includes a plurality of archs, and is a plurality of the body is removable insert respectively and is located a plurality of in the first through-hole, it is a plurality of the arch sets up respectively in a plurality of on the outer wall of body.
Further, the protrusion is an annular protrusion, and a central axis of the annular protrusion coincides with a central axis of the pipe body.
Further, the tray includes bottom plate and curb plate, first through-hole set up in on the bottom plate, the curb plate connect in the bottom plate and with the contained angle has between the bottom plate.
Furthermore, the number of the side plates is two, and the two side plates are arranged on two opposite sides of the bottom plate.
Furthermore, a second through hole or a groove is formed in the side plate.
Further, the inner diameter of the tube body is smaller than the inner diameter of the placement hole.
Further, the outer diameter of the pipe body is smaller than the inner diameter of the placement hole.
The utility model also provides a nitrogen blowing instrument, include:
the sample carrying frame is provided with a plurality of placing holes;
the blowing assembly comprises a plurality of blowing needles, the number of the blowing needles is multiple, the plurality of blowing needles are respectively arranged on the axes of the placing holes, and the plurality of blowing needles are respectively arranged outside the placing holes.
And the test tube rack is movably arranged on the sample carrying rack.
Furthermore, the air blowing assembly further comprises a supporting plate and a guide post, the air blowing needle is arranged on the supporting plate, the supporting plate is arranged on the guide post in a sliding mode, the guide post is arranged on the sample carrying frame, and the guide post is parallel to the axis of the placing hole.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
before the nitrogen blowing operation, a plurality of test tubes for storing samples can be respectively placed in a plurality of tube bodies on a test tube rack at positions which are convenient to operate, such as the position below a nitrogen blowing instrument, and the like, and then the test tube rack is integrally placed on a sample carrying rack, and the plurality of tube bodies of the test tube rack correspond to the plurality of placing holes of the sample carrying rack one by one, so that the plurality of test tubes can be placed on the sample carrying rack simultaneously; after the nitrogen blowing operation is completed, the test tube rack is taken down, so that the test tubes are synchronously taken down. The utility model discloses can reduce the degree of difficulty that operating personnel placed the test tube on the nitrogen blows the appearance for access operating efficiency is higher, and time consuming is shorter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a schematic structural diagram of a nitrogen blowing apparatus;
FIG. 2 is a schematic view of a part of the structure of the nitrogen blowing instrument after the test tube rack is taken away from the sample carrier;
fig. 3 is a schematic structural view of a test tube rack;
description of reference numerals:
10. a sample carrying frame; 11. placing holes;
20. a blowing assembly 21, a blowing needle; 22. a support plate; 23. a guide post; 24. a limiting member;
30. a test tube rack; 31. a tray; 311. a base plate; 312. a side plate; 313. a second through hole; 32. a pipe body; 33. and (4) protruding.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a nitrogen blowing apparatus for performing anaerobic concentration operation. The nitrogen blowing instrument comprises a sample carrying rack 10 and a blowing assembly 20, wherein the sample carrying rack 10 is used for storing test tubes, and the blowing assembly 20 is used for blowing nitrogen into the test tubes on the sample carrying rack 10.
Specifically, the rack 10 is provided with a plurality of placement holes 11. The air blowing unit 20 includes a plurality of air blowing needles 21, the plurality of air blowing needles 21 are respectively provided on the axes of the plurality of mounting holes 11, and the plurality of air blowing needles 21 are respectively provided outside the plurality of mounting holes 11.
In the nitrogen blowing operation, the test tube is placed in the placing hole 11, nitrogen gas is blown into the test tube by the gas blowing needle 21, and the gas blowing needle 21 is provided on the axis of the placing hole 11 corresponding thereto, and the gas blowing needle 21 can blow nitrogen gas into the test tube.
As shown in FIG. 2, the air blowing unit 20 further comprises a support plate 22 and a guide post 23, the air blowing needle 21 is disposed on the support plate 22, the support plate 22 is slidably disposed on the guide post 23, the guide post 23 is disposed on the sample rack 10, and the guide post 23 is parallel to the axis of the placing hole 11. With the arrangement, when a test tube needs to be placed, the supporting plate 22 can be moved towards the direction away from the placing hole 11, and the air blowing needle 21 is driven to be away from the placing hole 11, so that an operator can place the test tube conveniently; after the test tube is placed, the support plate 22 is moved toward the direction close to the placing hole 11, so that the air blowing needle 21 is close to the test tube to ensure the nitrogen blowing effect.
The blowing assembly 20 further includes a limiting member 24, a threaded hole is formed in the supporting plate 22, and the limiting member 24 is in threaded fit with the threaded hole and is used for abutting against the guide post 23. Specifically, the limiting member 24 is a screw or a bolt. After the supporting plate 22 is adjusted to a position suitable for nitrogen blowing operation, the limiting piece 24 is abutted against the guide post 23, so that the supporting plate 22 is better fixed on the guide post 23, and the stability of the whole nitrogen blowing instrument device is ensured; when it is necessary to move the supporting plate 22, the limiting member 24 can be rotated to be away from the guide post 23, so that the supporting plate 22 can be moved freely on the guide post 23.
It is worth mentioning that this nitrogen blowing appearance still includes test-tube rack 30, and on sample rack 10 was located in the activity of test-tube rack 30, test-tube rack 30 included tray 31 and a plurality of body 32, was equipped with a plurality of first through-holes on the tray 31, a plurality of first through-holes respectively with a plurality of hole 11 one-to-one of placing. A plurality of bodys 32 are used for depositing the test tube, and a plurality of bodys 32 are inserted respectively and are located in a plurality of first through-holes, and the outer wall of a plurality of bodys 32 is laminated with the inner wall of a plurality of first through-holes respectively mutually.
Before the nitrogen blowing operation, a plurality of test tubes for storing samples can be placed in a plurality of tube bodies 32 on a test tube rack 30 respectively at positions which are convenient to operate, such as the position below a nitrogen blowing instrument, and then the test tube rack 30 is integrally placed on a sample carrying rack 10, and the tube bodies 32 correspond to the placing holes 11 one by one, so that the test tubes can be placed on the sample carrying rack 10 simultaneously, and the difficulty of placing the test tubes on the nitrogen blowing instrument by an operator is reduced; then, nitrogen gas is blown into the test tubes through the blowing needles 21, and after the nitrogen blowing operation is completed, the test tube rack 30 is removed, thereby achieving the synchronous removal of the plurality of test tubes. The whole picking and placing process is high in operation efficiency and short in time consumption.
Further, body 32 is movably respectively inserted and is located in the first through-hole, and test-tube rack 30 still includes a plurality of archs 33, and a plurality of archs 33 are located respectively on a plurality of bodies 32's outer wall, and when body 32 inserted first through-hole along its axial direction, protruding 33 and tray 31 butt to body 32 can be hung on tray 31, makes body 32 can deposit the test tube better. And the tube 32 can be taken out in the direction opposite to the direction in which the tube 32 is inserted into the first through hole, so that the tube 32 can be taken off the tray 31, facilitating the replacement of the tube 32.
In particular, as shown in fig. 3, the projection 31 is an annular projection, the central axis of which coincides with the central axis of the tubular body 32, thereby increasing the stability of the tubular body 32 resting on the tray 31 in the direction of its gravity.
Specifically, the side plate 312 is vertically connected to the bottom plate 311. The side plate 312 is provided with a second through hole 313, so that an operator can stretch fingers into the second through hole 313, and the operator can better grab the test tube rack 30. The side plate 312 may also be recessed.
Further, the internal diameter of body 32 is less than the internal diameter of placing hole 11, and the diameter of present most of test tubes all is less than the aperture of placing hole 11, if directly put into the test tube that is less than the aperture of placing hole 11 aperture and place hole 11, the test tube can incline to place, and during the nitrogen blow operation, because the pressure that blows off of air blow needle 21 is great, thereby it is unsatisfactory to easily cause the test tube to rock and lead to the nitrogen to blow the effect, easily make the test tube damaged with the inner wall of placing hole 11 bumps moreover. Consequently, put into body 32 with the test tube that the aperture is less than placing 11 apertures in the hole, can reduce rocking of test tube in the nitrogen blows operation process, the limiting displacement of first through-hole makes body 32 can not rock easily moreover, reduces the collision between test tube and the body 32 when guaranteeing the nitrogen and blow the effect.
Further, the outer diameter of the tube body 32 is smaller than the inner diameter of the placing hole 11, so that when the test tube rack 30 is placed on the sample loading frame 10, the tube body 32 can be inserted into the placing hole 11, and the tray 31 can be placed on the sample loading frame 10, so that the stability of the whole nitrogen blowing instrument device is ensured.
The material of body 32 is plastics, and plastics hardness is lower, and at the in-process of putting into test tube rack 30 with the test tube, the damage of body to the test tube when can reducing test tube and body bump.
Particularly, because the activity of test-tube rack 30 is located on carrying appearance frame 10, the quantity of test-tube rack 30 can be a plurality ofly, carry out the nitrogen after last test-tube rack 30 places the test tube on carrying appearance frame 10 and blow the time of operation, can put into a plurality of bodys 32 of all the other test-tube racks 30 with all the other test tubes of pending, treat after the nitrogen of the sample in the test tube that last test-tube rack 30 placed blows the operation, can take off last test-tube rack 30 immediately, and will deposit another test-tube rack 30 of the test tube of pending and place and carry out the nitrogen and blow the operation on carrying appearance frame 10, a plurality of test-tube racks 30 used in turn, thereby the time that the nitrogen blows the appearance and wait for the material loading has been practiced thrift, also a large amount of supplementary man-hours.
To sum up, the utility model provides a pair of test-tube rack and nitrogen blows appearance for realize that many test tubes of depositing the sample are put in the synchronization of carrying the appearance frame and are got, avoid many test tubes of depositing the sample to put into one by one and carry the appearance frame and take out the access operation that the test tube of depositing the sample brought from carrying the appearance frame one by one and consume long and the inefficiency problem.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a test-tube rack, is applied to in the nitrogen blowing appearance, the nitrogen blowing appearance is including carrying the appearance frame, carry and be provided with a plurality of holes of placing on the appearance frame, its characterized in that, the test-tube rack includes:
the tray is provided with a plurality of first through holes, and the first through holes are respectively in one-to-one correspondence with the placing holes; and
the body is used for placing the test tube, and is a plurality of the body is inserted respectively and is located a plurality of in the first through-hole, it is a plurality of the outer wall of body is laminated with a plurality of the inner wall of first through-hole mutually respectively.
2. The test tube rack of claim 1, further comprising a plurality of protrusions, wherein the plurality of tube bodies are respectively movably inserted into the plurality of first through holes, and the plurality of protrusions are respectively disposed on outer walls of the plurality of tube bodies.
3. The test tube rack of claim 2, wherein the protrusion is an annular protrusion having a central axis coincident with a central axis of the tube body.
4. The test tube rack of claim 1, wherein the tray comprises a bottom plate and a side plate, the first through hole is formed in the bottom plate, and the side plate is connected to the bottom plate and forms an included angle with the bottom plate.
5. The test tube rack of claim 4, wherein the number of side plates is two, two side plates being provided on opposite sides of the base plate.
6. The test tube rack of claim 5, wherein the side plate is provided with a second through hole or a groove.
7. The test tube rack of claim 1, wherein the tube body has an inner diameter smaller than an inner diameter of the placement hole.
8. The test tube rack of claim 7, wherein the outer diameter of the tube body is smaller than the inner diameter of the placement hole.
9. A nitrogen blowing instrument is characterized by comprising:
the sample carrying frame is provided with a plurality of placing holes;
the air blowing assembly comprises a plurality of air blowing needles, the air blowing needles are respectively arranged on the axes of the placing holes, and the air blowing needles are respectively arranged outside the placing holes; and
a test tube rack according to any one of claims 1 to 8, movably mounted on the carrier.
10. The nitrogen blowing instrument as claimed in claim 9, wherein the blowing assembly further comprises a support plate and a guide post, the blowing needle is disposed on the support plate, the support plate is slidably disposed on the guide post, the guide post is disposed on the sample loading frame, and the guide post is parallel to the axis of the placing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538724.2U CN212441290U (en) | 2020-04-13 | 2020-04-13 | Test-tube rack and nitrogen blowing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538724.2U CN212441290U (en) | 2020-04-13 | 2020-04-13 | Test-tube rack and nitrogen blowing instrument |
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| Publication Number | Publication Date |
|---|---|
| CN212441290U true CN212441290U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020538724.2U Active CN212441290U (en) | 2020-04-13 | 2020-04-13 | Test-tube rack and nitrogen blowing instrument |
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| CN (1) | CN212441290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189075A (en) * | 2021-05-12 | 2021-07-30 | 浙江省疾病预防控制中心 | ATP-based cold chain food outer package cleanliness detection method |
-
2020
- 2020-04-13 CN CN202020538724.2U patent/CN212441290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189075A (en) * | 2021-05-12 | 2021-07-30 | 浙江省疾病预防控制中心 | ATP-based cold chain food outer package cleanliness detection method |
| CN113189075B (en) * | 2021-05-12 | 2023-12-15 | 浙江省疾病预防控制中心 | ATP-based cold chain food outer package cleanliness detection method |
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