CN210338643U

CN210338643U - Sample preservation device for laboratory

Info

Publication number: CN210338643U
Application number: CN201921226241.2U
Authority: CN
Inventors: 朱磊磊; 袁东婕; 刘舜舜; 杨志; 杨李毛
Original assignee: Anhui Public Inspection And Research Institute Co ltd
Current assignee: Anhui Public Inspection And Research Institute Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-17
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a laboratory is with sample collection device relates to the sample field of preserving, include, preserve the jar, it is equipped with the slot on the jar to preserve, the slot is pegged graft with the cabinet of preserving, it is equipped with first baffle to preserve the cabinet bottom, curb plate and second baffle fixed connection are passed through on first baffle upper portion, the second baffle is located the slot upside, be equipped with the pin between first baffle and the second baffle, it is equipped with solid fixed ring to preserve jar outside top, gu fixed ring outside cover has the change of being connected rather than rotating, the change inboard rotates with the second baffle top to be connected. In the utility model, the volatilization and consumption of liquid nitrogen during the sample extraction or preservation are avoided; the cross section of the preservation cabinet is designed to be fan-shaped and is annularly arrayed in the preservation tank, so that the space in the preservation tank can be fully utilized; set up on the jar of preserving and draw the mechanism, can take out the cabinet of preserving with less power, avoid keeping the cabinet or insert and preserve the cabinet comparatively hard owing to the too big cabinet of preserving internal and external differential pressure.

Description

Sample preservation device for laboratory

Technical Field

The utility model relates to a sample keeps the field, especially relates to a sample keeps device in laboratory.

Background

The long-term ultra-low temperature preservation cabinet for biological samples is a device for preserving biological samples by adopting an ultra-low temperature method, and the conventional ultra-low temperature biological sample preserving device adopts a liquid nitrogen tank or other open or semi-open equipment, so that the phenomenon of nitrogen leakage can be inevitably generated when the samples are stored and taken in particular, and thus, the unnecessary waste of nitrogen is caused, and the freezing injury of experimenters can be more likely to be caused by the leakage of the nitrogen, and certain difficulty is brought to the operation of operators. Therefore, there is a need to develop a novel biological sample storage device for storing biological samples using gasified liquid nitrogen, which can reduce and control the leakage of nitrogen gas when storing and accessing the samples.

The patent number is CN 207881305U discloses a novel biological sample that nitrogen gas is difficult for leaking keeps cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, be provided with a plurality of walk-in on the leading flank of the cabinet body, the walk-in includes the lateral wall, set up the inside wall within the lateral wall, set up the cabinet door that can open and shut on the lateral wall, be real empty room between lateral wall and the inside wall, the cabinet door, lateral wall and cabinet body surround and form the storage chamber, the internal nitrogen gas passageway that is provided with of cabinet, the nitrogen gas passageway passes through the pipeline and is connected with outside nitrogen gas source, the internal nitrogen gas transmission hole that still is equipped with intercommunication nitrogen gas passageway and storage chamber of cabinet, nitrogen gas transmission hole department is equipped with the solenoid valve, the input port and the nitrogen gas passageway intercommunication of solenoid valve, the delivery outlet and. The nitrogen of the biological sample preservation cabinet is not easy to leak.

However, since the biological sample is sometimes required to be stored at-196 ℃, the temperature of the gasified nitrogen gas is about-150 ℃, and after the gaseous liquid nitrogen storage device is opened, the liquid nitrogen is gasified by contacting with the outside, which causes the loss of the liquid nitrogen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sample keeps device in laboratory to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a sample keeps device in laboratory, is including keeping the jar, it is equipped with the slot on the jar to keep, the slot is pegged graft with keeping the cabinet, it is equipped with first baffle to keep the cabinet bottom, curb plate and second baffle fixed connection are passed through on first baffle upper portion, the second baffle is located the slot upside, be equipped with the pin between first baffle and the second baffle, it is equipped with solid fixed ring to keep jar outside top, gu fixed ring outside cover has the change rather than rotating the connection, the change inboard rotates with second baffle top to be connected, the change upside is equipped with logical groove, it draws the mechanism to keep being equipped with on the jar, draw mechanism and second baffle top fixed connection's handle hookup.

Preferably, the preservation tank is cylindrical, a plurality of fan-shaped slots in an annular array are formed in the preservation tank, and a preservation cabinet is arranged in each slot in an inserted mode.

Preferably, the first baffle is fan-shaped, the fan angle of the first baffle is larger than that of the slot, and the outer diameter of the second baffle is the same as that of the cylinder.

Preferably, the swivel includes a first ring slidably connected to the second baffle at a bottom side, the first ring is provided with a through groove, a cross section of the through groove is fan-shaped, a fan-shaped outer diameter of the through groove is equal to an outer diameter of the second baffle, the first ring is fixedly connected to a second ring through a connecting ring, and the second ring is located at a lower side of the fixing ring.

Preferably, draw the mechanism include with preserve a jar fixed connection's support, be equipped with on the support rather than rotate the pivot of being connected, the coaxial fixedly connected with in pivot middle part and the meshing of pinion rack gear, pinion rack bottom and handle hook joint, pinion rack middle part and support sliding connection, the perpendicular fixedly connected with bull stick of pivot tip.

Preferably, the toothed plate comprises a meshing plate meshed with the gear, the bottom end of the meshing plate is fixedly connected with the sliding plate, the sliding half is slidably connected with the support, and the bottom end of the sliding plate is fixedly connected with a transverse plate vertically and fixedly connected with the sliding plate.

The utility model has the advantages that:

in the utility model, firstly, a slot is arranged on the preservation tank, the preservation cabinet is arranged in the slot, the bottom end of the preservation cabinet is provided with a first baffle plate, when the preservation cabinet is drawn out, the first baffle plate is clamped at the lower side in the preservation tank, so that the preservation tank is still in a sealed state, and a swivel ring is arranged at the edge to be abutted against the first baffle plate at the top of the preservation cabinet, so that the preservation cabinet is tightly combined with the preservation cabinet in an inserted state, and the volatilization and consumption of liquid nitrogen are avoided; the cross section of the preservation cabinet is designed to be fan-shaped and is annularly arrayed in the preservation tank, so that the space in the preservation tank can be fully utilized; set up on the jar of preserving and draw the mechanism, can take out the cabinet of preserving with less power, avoid keeping the cabinet or insert and preserve the cabinet comparatively hard owing to the too big cabinet of preserving internal and external differential pressure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic perspective view of the extraction mechanism of the present invention;

reference numerals: 1. a preservation tank; 2. a preservation cabinet; 21. a first baffle plate; 22. a side plate; 23. a second baffle; 24. a stop lever; 3. rotating the ring; 31. a through groove; 32. a first circular ring; 33. a connecting ring; 34. a second circular ring; 4. a handle; 5. an extraction mechanism; 51. a support; 52. a rotating shaft; 53. a gear; 54. a rotating rod; 55. a toothed plate; 551. an engaging plate; 552. a slide plate; 553. a transverse plate; 6. and (4) fixing the ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a sample storage device for laboratory use comprises a storage tank 1, wherein slots are arranged on the storage tank 1, the slots are inserted into the storage cabinet 2, a first baffle 21 is arranged at the bottom end of the storage cabinet 2, the upper part of the first baffle 21 is fixedly connected with a second baffle 23 through a side plate 22, the second baffle 23 is arranged at the upper side of the slots, a stop lever 24 is arranged between the first baffle 21 and the second baffle 23, a fixing ring 6 is arranged at the top of the outer side of the storage tank 1, a rotating ring 3 which is rotatably connected with the fixing ring 6 is sleeved outside the fixing ring 6, the inner side of the rotating ring 3 is rotatably connected with the top of the second baffle 23, a through slot 31 is arranged at the upper side of the rotating ring 3, an extraction mechanism 5 is arranged on the storage tank 1, a handle 4 which is fixedly connected with the top of the second baffle 23 is hooked on the extraction mechanism 5, the storage tank 1 is cylindrical, a plurality, first baffle 21 is fan-shaped, and the fan angle of first baffle 21 is greater than the fan angle of slot, and second baffle 23 external diameter is the same with the drum diameter, and swivel 3 includes first ring 32 of bottom side and second baffle 23 sliding connection, is equipped with logical groove 31 on the first ring 32, and logical groove 31 cross section is fan-shaped, and the fan-shaped external diameter that leads to groove 31 equals the external diameter of second baffle 23, and first ring 32 passes through go-between 33 and second ring 34 fixed connection, and second ring 34 is located solid fixed ring 6 downside.

When a sample is stored, the sealed sample is placed in a storage cabinet, the storage cabinet 2 is controlled by an extraction device to be inserted into the storage tank 1 through a through groove 31 on a rotary ring 3 and a slot on the storage tank 1, at the moment, a second baffle plate 23 is positioned at the top of the storage tank 1 and is attached to the storage tank 1, then the rotary ring 3 is rotated to ensure that the through groove 31 on the rotary ring 3 is staggered with the second baffle plate 23 at the top of the storage cabinet 2, the second baffle plate 23 is tightly clamped at one side of the rotary ring 3 close to the second baffle plate 23, the storage tank 2 and the storage tank 1 are relatively sealed, when the sample is taken out, the rotary ring 3 is rotated to ensure that the sample storage cabinet 2 to be extracted is vertically aligned with the through groove 31 on a first circular ring 32, the extraction device is hooked with a handle 4, the storage cabinet 2 can be extracted from the storage tank 1 through controlling the extraction device to ensure that the upper side of the first baffle plate 21 is attached to the inner wall of the storage tank 1, and the communication, thereby reduce the volume of volatilizing of liquid nitrogen, keep 2 sides of cabinet and set up pin 24 and prevent that article sample from dropping in the liquid nitrogen, fan-shaped 2 annular arrays of keeping cabinet are in keeping jar 1, but make full use of keeps the space in jar 1.

Example 2

As shown in figures 1-3, a sample storage device for laboratory use comprises a storage tank 1, wherein the storage tank 1 is provided with a slot, the slot is inserted into the storage cabinet 2, the bottom end of the storage cabinet 2 is provided with a first baffle 21, the upper part of the first baffle 21 is fixedly connected with a second baffle 23 through a side plate 22, the second baffle 23 is positioned at the upper side of the slot, a stop lever 24 is arranged between the first baffle 21 and the second baffle 23, the top of the outer side of the storage tank 1 is provided with a fixed ring 6, the outer side of the fixed ring 6 is sleeved with a rotating ring 3 which is rotatably connected with the fixed ring 6, the inner side of the rotating ring 3 is rotatably connected with the top of the second baffle 23, the upper side of the rotating ring 3 is provided with a through groove 31, the storage tank 1 is provided with an extraction mechanism 5, the extraction mechanism 5 is hooked with a handle 4 which is fixedly connected with the top of the second baffle 23, the coaxial fixedly connected with in pivot 52 middle part and pinion rack 55 engaged gear 53, pinion rack 55 bottom and handle 4 hook joint, pinion rack 55 middle part and support 51 sliding connection, the perpendicular fixedly connected with bull stick 54 of pivot 52 tip, pinion rack 55 include with the meshing board 551 of gear 53 meshing, meshing board 551 bottom and slide 552 fixed connection, slide half and support 51 sliding connection, slide 552 bottom fixedly connected with and the perpendicular fixedly connected with diaphragm 553 of slide 552.

After the horizontal pole is pegged graft with the hand of inserting, the bull stick 54 rotates, make gear 53 in the pivot 52 drive the meshing board 551 and remove, slide 552 slides for support 51, simultaneously pinion rack 55 bottom fixed connection's diaphragm 553 moves and can mention handle 4, make and keep cabinet 2 and take out in by keeping jar 1, because keep jar 1 inside temperature lower, outside temperature is higher, lead to inside and outside pressure differential great, it is not only hard to directly take out when drawing and keeping jar 1, and comparatively dangerous, keep cabinet 2 and take out through bull stick 54 control, can make people relative distance draw and keep cabinet 2 far away, accessible extension bull stick 54's mode is more laborsaving will keep cabinet 2 and draw or insert, it is safer laborsaving.

The working principle is as follows: the utility model discloses when preserving the sample, take out and preserve cabinet 2 and make first baffle 21 and preserve 1 inner wall laminating of jar, make and preserve cabinet 2 and preserve jar 1 and be in above-mentioned position state equally at the extraction sample in-process, reducible liquid nitrogen that preserves in jar 1 is of a specified duration with outside intercommunication time, thereby can reduce the loss of nitrogen gas, preserve the back, it makes first ring 32 bottom side and the laminating of second baffle 23 upside to rotate change 3, the reinforcing leakproofness, when extracting the sample, make diaphragm 553 be located handle 4 side through rotating change 3, it makes diaphragm 553 shift back down to rotate change 54, it makes diaphragm 553 insert in handle 4 to rotate change 3, it makes handle 4 rise can mention preservation cabinet 2 to rotate change 54 once more, and is more laborsaving and safe, fan-shaped preservation cabinet 2 has great inner space, can deposit more samples.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sample collection device for laboratory use, comprising a collection tank (1), characterized in that: the preservation tank (1) is provided with a slot which is inserted with the preservation cabinet (2), the bottom end of the preservation cabinet (2) is provided with a first baffle (21), the upper part of the first baffle (21) is fixedly connected with a second baffle (23) through a side plate (22), the second baffle plate (23) is positioned at the upper side of the slot, a stop lever (24) is arranged between the first baffle plate (21) and the second baffle plate (23), the top of the outer side of the preservation tank (1) is provided with a fixed ring (6), the outer side of the fixed ring (6) is sleeved with a rotating ring (3) which is rotationally connected with the fixed ring, the inner side of the rotary ring (3) is rotationally connected with the top of the second baffle (23), a through groove (31) is arranged on the upper side of the rotary ring (3), the preservation tank (1) is provided with an extraction mechanism (5), and the extraction mechanism (5) is hooked with a handle (4) fixedly connected with the top of the second baffle (23).

2. A laboratory sample collection device according to claim 1, wherein: the preservation tank (1) is cylindrical, a plurality of fan-shaped slots in an annular array are formed in the preservation tank (1), and a preservation cabinet (2) is arranged in each slot in an inserted mode.

3. A laboratory sample collection device according to claim 1 or 2, wherein: the first baffle (21) is fan-shaped, the fan angle of the first baffle (21) is larger than that of the slot, and the outer diameter of the second baffle (23) is the same as the diameter of the cylinder.

4. A laboratory sample collection device according to claim 1, wherein: the rotating ring (3) comprises a first circular ring (32) which is connected with the second baffle (23) in a sliding mode at the bottom side, a through groove (31) is formed in the first circular ring (32), the cross section of the through groove (31) is fan-shaped, the fan-shaped outer diameter of the through groove (31) is equal to the outer diameter of the second baffle (23), the first circular ring (32) is fixedly connected with a second circular ring (34) through a connecting ring (33), and the second circular ring (34) is located on the lower side of the fixing ring (6).

5. A laboratory sample collection device according to claim 1, wherein: draw mechanism (5) including with preserve jar (1) fixed connection's support (51), be equipped with on support (51) rather than rotate pivot (52) of being connected, the coaxial fixedly connected with in pivot (52) middle part and pinion rack (55) meshed gear (53), pinion rack (55) bottom and handle (4) hook joint, pinion rack (55) middle part and support (51) sliding connection, the perpendicular fixedly connected with bull stick (54) of pivot (52) tip.

6. A laboratory sample collection device according to claim 5, wherein: the toothed plate (55) comprises a meshing plate (551) meshed with the gear (53), the bottom end of the meshing plate (551) is fixedly connected with a sliding plate (552), the sliding half is slidably connected with the support (51), and the bottom end of the sliding plate (552) is fixedly connected with a transverse plate (553) vertically and fixedly connected with the sliding plate (552).