CN210853520U

CN210853520U - Detection sample storage device

Info

Publication number: CN210853520U
Application number: CN201921898135.9U
Authority: CN
Inventors: 李丽
Original assignee: Xinjiang Uygur Autonomous Region Reproductive Health Hospital
Current assignee: Xinjiang Uygur Autonomous Region Reproductive Health Hospital
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-26
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a detect sample save set, including the urceolus, there is the top cap at the urceolus top through axle swing joint, the free end of top cap passes through buckle and urceolus edge joint, the urceolus has the intermediate layer with the inner wall of top cap through first spring and second spring coupling respectively, be fixed with the apotheca on the intermediate layer that is located the urceolus, the intermediate layer is including being located the first locular layer in the outside, first inner tube is installed in the first locular layer, install the second inner tube in the first inner tube, form second locular layer between first inner tube and the second inner tube, install the third inner tube in the second inner tube, form third locular layer between second inner tube and the third inner tube, install the fourth inner tube in the third inner tube, form fourth locular layer between third inner tube and the fourth inner tube, the fourth inner tube internal fixation has the apotheca, install the liquid nitrogen filling opening on the top cap, the liquid nitrogen filling opening inserts in the fourth. The utility model discloses can improve prior art's not enough, improve the suitability of detecting sample save set.

Description

Detection sample storage device

Technical Field

The utility model relates to a save set, especially a detect sample save set.

Background

The sample storage device is used for storing a sampled detection sample at low temperature in biological and medical experiments and detection processes and keeping the sampling state and activity of the sample. Chinese utility model patent CN 204548896U discloses a medical sample preservation box. The sample storage device with the structure has a simple structure, can not realize effective low-temperature active storage of the sample, and limits the application range of the sample storage device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a detect sample save set, can solve prior art's not enough, improved detect sample save set's suitability.

In order to solve the technical problem, the utility model adopts the following technical proposal.

A detection sample storage device comprises an outer barrel, wherein the top of the outer barrel is movably connected with a top cover through a shaft, the free end of the top cover is clamped with the edge of the outer barrel through a buckle, the inner walls of the outer barrel and the top cover are respectively connected with an interlayer through a first spring and a second spring, a storage chamber is fixed on the interlayer positioned in the outer barrel, the interlayer comprises a first chamber layer positioned at the outermost side, a first inner barrel is arranged in the first chamber layer, a second inner barrel is arranged in the first inner barrel, a second chamber layer is formed between the first inner barrel and the second inner barrel, a third inner barrel is arranged in the second inner barrel, a third chamber layer is formed between the second inner barrel and the third inner barrel, a fourth inner barrel is arranged in the third inner barrel, a fourth chamber layer is formed between the third inner barrel and the fourth inner barrel, the storage chamber is fixed in the fourth inner barrel, a liquid nitrogen injection port is arranged on the top cover, and, the top cover is provided with an exhaust pipe, the exhaust pipe is communicated with the fourth cavity layer, and a one-way valve is arranged between the fourth cavity layer and the exhaust pipe.

Preferably, an observation window is installed on one side of the outer cylinder, and a graduated scale is installed on the first inner cylinder.

Preferably, a vacuum port is installed at one side of the lower portion of the outer cylinder.

Preferably, the bottom of the outer cylinder is provided with supporting legs, and the bottoms of the supporting legs are provided with damping rubber pads.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the utility model is provided with an outer cylinder and a top cover with a lock catch, a spring-supported suspension sandwich structure is arranged in the outer cylinder, the interior of the sandwich layer is divided into a plurality of inner cylinders, chamber layers of different filling materials are formed between the inner cylinders, a first chamber layer formed between the outer cylinder and the first inner cylinder is a vacuum layer to isolate the transmission of the internal temperature and the external temperature, a second chamber layer is formed between the first inner cylinder and the second inner cylinder to fill a honeycomb thermal insulation board, a third chamber layer is formed between the second inner cylinder and the third inner cylinder to fill thermal insulation cotton, a fourth chamber layer is formed between the third inner cylinder and the fourth inner cylinder to fill liquid nitrogen, the suspension structure reduces the vibration, the sample test tube is prevented from being broken under the condition of internal low temperature, the liquid nitrogen is conveniently supplemented through a liquid nitrogen filling opening, the continuous cooling effect of an internal storage chamber is realized, the transmission of the temperature is reduced through the multilayer structure, the, the sampling state of the detection sample is guaranteed by the extremely low temperature of the liquid nitrogen, the exhaust pipe and the check valve reduce gas exchange and guarantee that the pressure is balanced after evaporation of the internal liquid nitrogen, the observation window and the graduated scale are convenient for observing the consumption condition of the liquid nitrogen so as to supplement in time, the first chamber layer is pumped into a vacuum state by the vacuum pumping port, the transmission of the internal temperature and the external temperature is further reduced, the supporting leg with the shock-absorbing rubber pad is installed at the bottom of the outer barrel, the placing stability of the device is guaranteed, the internal sample is guaranteed to keep a better sampling state under the low-temperature condition, and the applicability of the detection sample storage device is improved.

Drawings

Fig. 1 is a structural view of an embodiment of the present invention.

Fig. 2 is a top view of a sandwich structure according to an embodiment of the present invention.

In the figure: 1. an outer cylinder; 2. supporting legs; 3. a first spring; 4. a first inner cylinder; 5. a first chamber layer; 6. a second inner barrel; 7. a second chamber layer; 8. a third inner cylinder; 9. a third chamber layer; 10. a fourth inner barrel; 11. a fourth chamber layer; 12. a first heat exchange fin; 13. a heat exchange tube; 14. a second heat exchange fin; 15. a storage chamber; 16. a heat-conducting silica gel sleeve; 17. a one-way valve; 18. a second spring; 19. an observation window; 20. a graduated scale; 21. a vacuum pumping port; 22. an exhaust pipe; 23. a liquid nitrogen injection port; 24. a shaft; 25. buckling; 26. a vibration damping rubber pad; 27. and a top cover.

Detailed Description

The utility model discloses the standard part that well used all can be purchased from the market, and dysmorphism piece all can be customized according to the description with the record of attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding, pasting among the prior art, no longer detailed description here.

Referring to fig. 1-2, a specific embodiment of the present invention includes an outer barrel 1, a top cap 27 is movably connected to the top of the outer barrel 1 through a shaft 24, a free end of the top cap 27 is engaged with the edge of the outer barrel 1 through a buckle 25 to prevent the storage device from being opened accidentally, the inner walls of the outer barrel 1 and the top cap 27 are respectively connected to an interlayer through a first spring 3 and a second spring 18, a storage chamber 15 is fixed on the interlayer located in the outer barrel 1, the interlayer includes a first chamber layer 5 located at the outermost side, a first inner barrel 4 is installed in the first chamber layer 5, a second inner barrel 6 is installed in the first inner barrel 4, a second chamber layer 7 is formed between the first inner barrel 4 and the second inner barrel 6, a third inner barrel 8 is installed in the second inner barrel 6, a third chamber layer 9 is formed between the second inner barrel 6 and the third inner barrel 8, a fourth inner barrel 10 is installed in the third inner barrel 8, a fourth chamber layer 11 is formed between the third inner barrel 8 and, a storage chamber 15 is fixed in the fourth inner cylinder 10, a liquid nitrogen injection port 23 is installed on the top cover 27, the liquid nitrogen injection port 23 is inserted into the fourth chamber layer 11, an exhaust pipe 22 is installed on the top cover 27, the exhaust pipe 22 is communicated with the fourth chamber layer 11, and a check valve 17 is installed between the fourth chamber layer 11 and the exhaust pipe 22. The outer cylinder 1 is internally provided with a spring-supported suspension interlayer structure, the interlayer is internally divided into a plurality of inner cylinders, chamber layers of different filling materials are formed between the inner cylinders, a first chamber layer 5 formed between the outer cylinder 1 and the first inner cylinder 4 is a vacuum layer to isolate internal and external temperature transfer, a second chamber layer 7 is formed between the first inner cylinder 4 and the second inner cylinder 6 and is filled with a honeycomb thermal insulation board, a third chamber layer 9 is formed between the second inner cylinder 6 and the third inner cylinder 8 and is filled with thermal insulation cotton, a fourth chamber layer 11 is formed between the third inner cylinder 8 and the fourth inner cylinder 10 and is filled with liquid nitrogen, the suspension structure reduces vibration and prevents a sample test tube from being broken under an internal low-temperature condition, liquid nitrogen is conveniently supplemented through a liquid nitrogen injection port 23 to play a role in continuously cooling and cooling an internal storage chamber, the multilayer structure reduces temperature transfer and ensures the cooling effect of the liquid nitrogen, and the sampling state of a detection sample is ensured by the extreme low temperature of the liquid nitrogen, the exhaust pipe 22 and the one-way valve 17 reduce gas exchange and ensure that the pressure balance is maintained after the evaporation of the liquid nitrogen inside, the observation window 19 is installed on one side of the outer cylinder 1, and the graduated scale 20 is installed on the first inner cylinder 4. A vacuum-pumping port 21 is installed at one side of the lower part of the outer cylinder 1. Supporting legs 2 are distributed and mounted at the bottom of the outer barrel 1, and damping rubber pads 26 are mounted at the bottoms of the supporting legs 2. Observation window 19 and scale 20 are convenient for observe the liquid nitrogen consumption condition so that in time supply, and evacuation mouth 21 is with first chamber layer 5 evacuation state, has further reduced the transmission of inside and outside temperature, and supporting leg 2 of taking rubber cushion 26 is installed to urceolus 1 bottom, has guaranteed the stability that the device was placed, has guaranteed that inside sample keeps better sampling state under the low temperature condition, has improved the suitability that detects sample save set.

In addition, since this example uses liquid nitrogen cooling, liquid nitrogen is consumed by evaporation of the liquid nitrogen, and the liquid level is lowered, thereby reducing the cooling effect. The inventor designs a special heat transfer structure aiming at the structure of the embodiment, and the special heat transfer structure comprises a first heat exchange sheet 12 arranged in a fourth cavity layer 11, heat exchange tubes 13 leading into a fourth inner cylinder 10 are uniformly distributed and arranged in the first heat exchange sheet 12, a second heat exchange sheet 14 is arranged in the fourth inner cylinder 10, the heat exchange tubes 13 are inserted in the second heat exchange sheet 14, heat conduction grease is filled in gaps of the second heat exchange sheet 14, storage chambers 15 are uniformly distributed and arranged in the second heat exchange sheet 14, heat conduction silica gel sleeves 16 are wrapped outside the storage chambers 15 and are in contact with the second heat exchange sheets 14, when the liquid level of liquid nitrogen in the fourth cavity layer 11 is reduced, the first heat exchange sheet 12, the heat exchange tubes 13 and the second heat exchange sheets 14 transfer heat, the storage chambers are continuously cooled through the heat conduction sleeves 16 outside the storage chambers 15 and the filled heat conduction silica gel, so that the storage chambers 15 can be continuously cooled when the liquid level of the liquid nitrogen is low, the applicability of the detection sample storage device is improved.

Wherein, the utility model discloses in devices such as heat conduction silica gel cover, heat exchange piece and hot exchange pipe that use belong to ripe prior art, do not detail its concrete structure here again.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a test sample save set, includes urceolus (1), its characterized in that: the top of the outer barrel (1) is movably connected with a top cover (27) through a shaft (24), the free end of the top cover (27) is clamped with the edge of the outer barrel (1) through a buckle (25), the inner walls of the outer barrel (1) and the top cover (27) are respectively connected with an interlayer through a first spring (3) and a second spring (18), a storage chamber (15) is fixed on the interlayer in the outer barrel (1), the interlayer comprises a first chamber layer (5) located on the outermost side, a first inner barrel (4) is installed in the first chamber layer (5), a second inner barrel (6) is installed in the first inner barrel (4), a second chamber layer (7) is formed between the first inner barrel (4) and the second inner barrel (6), a third inner barrel (8) is installed in the second inner barrel (6), a third chamber layer (9) is formed between the second inner barrel (6) and the third inner barrel (8), a fourth inner barrel (10) is installed in the third inner barrel (8), form fourth cavity layer (11) between third inner tube (8) and fourth inner tube (10), fourth inner tube (10) internal fixation has reservoir (15), install liquid nitrogen injection mouth (23) on top cap (27), liquid nitrogen injection mouth (23) insert in fourth cavity layer (11), install blast pipe (22) on top cap (27), blast pipe (22) and fourth cavity layer (11) intercommunication, install check valve (17) between fourth cavity layer (11) and blast pipe (22).

2. The assay sample retention device of claim 1, wherein: an observation window (19) is installed on one side of the outer cylinder (1), and a graduated scale (20) is installed on the first inner cylinder (4).

3. The assay sample retention device of claim 1, wherein: one side of the lower part of the outer cylinder (1) is provided with a vacuumizing port (21).

4. The assay sample retention device of claim 1, wherein: supporting legs (2) are distributed and installed at the bottom of the outer barrel (1), and damping rubber pads (26) are installed at the bottoms of the supporting legs (2).