CN215709099U - Sample access structure for biological sample storage device - Google Patents

Abstract

The utility model belongs to the technical field of biological sample low-temperature storage equipment, and discloses a sample access structure for a biological sample storage device, which comprises: the refrigerator comprises a box body with openings at two ends, two door assemblies for opening and closing the openings at the two ends respectively, and a rotating frame and a heating component which are arranged in the box body; the rotating frame is connected with a driving device for driving the rotating frame to rotate around a vertical axis, and a plurality of rows of sample frames for placing sample boxes are arranged along the rotating direction of the rotating frame; each column of the sample racks comprises a plurality of sample box placing plates arranged in a column; the upper surface of the sample box placing plate is provided with a sample box placing groove; the bottom of the sample box placing groove is provided with a plurality of convex bosses; the apexes of the plurality of bosses form a support surface that supports the sample cartridge.

Description

Sample access structure for biological sample storage device

Technical Field

The utility model belongs to the technical field of biological sample low-temperature storage equipment, and particularly relates to a sample access structure for a biological sample storage device.

Background

Long-term storage of biological samples generally uses as low a temperature as possible to reduce biochemical reactions within the sample, improve the stability of various components within the sample, the lower the temperature, the longer the retention time of the sample. When the biological sample box is placed in a biological sample storage device such as a biological sample warehouse or a refrigerator, water vapor in the air is rapidly condensed into frost due to rapid temperature drop, so that storage is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems of the prior art, the present invention is directed to a sample inlet and outlet structure for a biological sample storage device.

The technical scheme adopted by the utility model is as follows:

a sample access structure for a biological sample storage device, comprising: the refrigerator comprises a box body with openings at two ends, two door assemblies for opening and closing the openings at the two ends respectively, and a rotating frame and a heating component which are arranged in the box body; the rotating frame is connected with a driving device for driving the rotating frame to rotate around a vertical axis, and a plurality of rows of sample frames for placing the sample boxes are arranged on the rotating frame along the rotating direction of the rotating frame.

As a further alternative to the sample access structure for a biological sample storage device, each column of the sample racks includes a plurality of sample cartridge placement plates arranged in a column; the upper surface of the sample box placing plate is provided with a sample box placing groove; the bottom of the sample box placing groove is provided with a plurality of convex bosses; the apexes of the plurality of bosses form a support surface that supports the sample cartridge.

As a further alternative of the sample inlet and outlet structure for a biological sample storage device, the bosses are provided with four, and the four bosses respectively correspond to four top corners of the sample cartridge.

As a further alternative to the sample inlet and outlet structure for a biological sample storage device, the heating member may be located at the center of the inside of the region surrounded by the plurality of rows of sample racks.

As a further alternative to the sample inlet and outlet structure for a biological sample storage device, the heating member includes a fan and a heating element secured to an outlet of the fan; the fan is fixed in the box.

As a further alternative to the sample access arrangement for a biological sample storage device, the drive arrangement comprises a motor; the motor is located the box outside, and the output shaft of motor extends in the box and is connected with the swivel mount.

As a further alternative to the sample access structure for a biological sample storage device, the carousel comprises an upper connection plate, a lower connection plate, and a plurality of connection rods disposed between the upper connection plate and the lower connection plate; the connecting rods are uniformly distributed along the rotating direction of the rotating frame, and two ends of each connecting rod are fixedly connected with the upper connecting plate and the lower connecting plate respectively; the multiple rows of sample racks are respectively and fixedly connected with the connecting rods in a one-to-one correspondence manner.

As a further alternative to the sample access structure for a biological sample storage device, each of the door assemblies includes: the door body corresponding to the opening of the box body and the driving unit for driving the door body to translate along the L-shaped track; the short side of the L-shaped track is arranged towards the interior of the box body.

As a further alternative to the sample access arrangement for a biological sample storage device, the drive unit comprises: the driving part and the two track assemblies are arranged on two opposite sides of the door body in a mirror symmetry manner; the track assemblies each include: the first track plate is fixed on the box body, and the second track plate is arranged along the long edge of the L-shaped track in a sliding manner; the first track plate is provided with two L-shaped track grooves parallel to the L-shaped tracks; the two L-shaped track grooves are arranged along the long edge of the L-shaped track; the second track plate is provided with two lifting track grooves which are parallel to each other corresponding to the two L-shaped track grooves; the two lifting track grooves are distributed along the long edge of the L-shaped track; the lifting track groove comprises an inclined line segment with an included angle omega with the long edge of the L-shaped track, the angle omega is more than or equal to 15 degrees and less than or equal to 60 degrees, and movable blocks are arranged in the lifting track groove; the movable block is fixed to the door body and extends into the corresponding L-shaped track groove; the driving component is used for driving the two second track plates to synchronously slide in a reciprocating mode.

As a further alternative to the sample access structure for a biological sample storage device, the drive member comprises: a driving member and a transmission structure; the input end of the transmission structure is connected with the driving piece, and the output end of the transmission structure is respectively connected with the two second track boards.

The utility model has the beneficial effects that: placing the sample box on a sample rack on a rotating frame, closing openings at two ends of a box body, starting a heating part, and gradually heating air in the box body so as to achieve the aim of defrosting; secondly, a plurality of rows of sample racks are arranged, and the driving device drives the plurality of rows of sample racks to rotate so as to open the transfer case body, so that more sample boxes can be stored, and the waste of space is reduced; and, through setting up a plurality of bosss, reduce the area of contact that sample box and sample box placed the board, effectively avoid the sample box to glue on sample box places the board.

Drawings

Fig. 1 is a schematic structural view of a sample inlet and outlet structure for a biological sample storage device according to the present invention.

Fig. 2 is a schematic view of the assembled case and sample rack in the sample inlet and outlet structure for a biological sample storage device shown in fig. 1.

Fig. 3 is a schematic structural view of another perspective after the case and the sample rack are assembled in the sample access structure for a biological sample storage device shown in fig. 1.

Fig. 4 is a schematic structural view of an assembled sample rack, a rotating rack, a heating member and a driving device in a sample inlet and outlet structure for a biological sample storage device.

Fig. 5 is a schematic view illustrating an exploded structure of a heating member in the sample inlet and outlet structure for a biological sample storage device shown in fig. 1.

Fig. 6 is a schematic view of the assembled rotary rack, heating member and driving device in the sample inlet and outlet structure for a biological sample storage device shown in fig. 1.

Fig. 7 is a schematic view showing the structure of a sample placement plate in the sample inlet and outlet structure for a biological sample storage device shown in fig. 1.

Fig. 8 is a schematic structural view of the assembled door and movable block in the sample inlet and outlet structure for a biological sample storage device shown in fig. 1.

Fig. 9 is a schematic structural view of a second track pad in the sample access structure for a biological sample storage device shown in fig. 1.

Fig. 10 is a schematic structural view of the first track pad in the sample access structure for a biological sample storage device shown in fig. 1.

In the figure: 10-a box body; 11-opening; 12-a sealing strip; 20-a rotating frame; 21-an upper connecting plate; 22-a lower connecting plate; 23-a connecting rod; 30-a heating means; 31-a fan; 32-a heating element; 33-a housing; 40-a drive device; 41-a motor; 42-a slewing bearing; 50-a sample rack; 51-sample box placing plate; 511-sample box placing groove; 512-boss; 513-a support surface; 60-a door body; 70-a drive member; 71-a driver; 72-a drive shaft; 73-gear; 74-a rack; 80-a track assembly; 81-a first track pad; 811-L-shaped track slots; 82-a second track pad; 821-lifting track groove; 8211-oblique line segment; 8212-an extension section; 83-a movable block; 84-connecting pull rod; 85-bearing.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the embodiments or the description in the prior art, it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.

Furthermore, the technical features described herein, in addition to mutually exclusive features and/or steps, may be combined in any suitable manner in one or more embodiments.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.

As shown in fig. 1 to 4, the sample inlet and outlet structure for a biological sample storage device of the present embodiment may include: the refrigerator comprises a box body 10 with two openings 11 at two ends, two door assemblies for opening and closing the openings 11 at two ends respectively, a rotating frame 20 and a heating component 30 which are arranged in the box body 10; the rotating frame 20 is connected with a driving device 40 for driving the rotating frame to rotate around a vertical axis, and a plurality of rows of sample frames 50 for placing sample boxes are arranged on the rotating frame 20 along the rotating direction.

As shown in fig. 2 and 3, the case 10 has a rectangular parallelepiped shape and is hollow inside; the housing 10 may be designed in other shapes according to actual needs, but is hollow inside to accommodate the rotating frame 20 and the heating member 30.

The sample rack 50 can be a sample rack 50 in this embodiment, which is disclosed in the prior art, for example, the chinese utility model with the publication number CN209757793U entitled sample cryopreservation rack. A plurality of rows of sample racks 50 are arranged around the rotating axis of the rotating frame 20, each row of sample racks 50 can be used for placing a plurality of sample boxes, the storage capacity of the sample boxes is increased, and the waste of space is reduced. The sample rack 50 where the sample box to be taken and placed is located is rotated to the opening 11 corresponding to the box body 10, so that the sample box to be taken and placed can be operated, and great convenience is brought.

The driving device 40 may be implemented by using an existing driving component such as a hydraulic motor or a pneumatic motor.

The heating member 30 can be realized by adopting the prior art such as a heating rod, a heating wire and the like, and the heating rod and the heating wire can be arranged at appropriate positions in the box body 10 according to actual conditions, so that the interior of the box body 10 can be heated, frost is removed, and the purpose of defrosting is achieved.

In one embodiment, as shown in fig. 4, each column of sample racks 50 may include a plurality of sample box placing plates 51 arranged in a column; a sample box placing groove 511 is formed in the upper surface of the sample box placing plate 51; the bottom of the sample box placing groove 511 is provided with a plurality of convex bosses 512 which are convex upwards; the apexes of the plurality of bosses 512 form a support surface 513 that supports the sample cartridge. A large supporting surface is changed into a plurality of scattered bosses 512, the contact area between the bottom of the sample box placing groove 511 and the bottom of the sample box is reduced, the frosting probability is reduced, and the bottom of the sample box is prevented from being adhered to the bottom of the sample box placing groove 511. On this basis, as shown in fig. 7, four bosses 512 are provided, and the four bosses 512 correspond to four corners of the sample cartridge, respectively. The sample box is supported at four top corners of the sample box, the gravity center of the sample box is always positioned in the middle of the four bosses 512, the support is more stable, and the fewer the bosses 512 are, the lower the frosting probability is.

In one embodiment, as shown in fig. 4, the heating member 30 is located in the center of the area surrounded by the plurality of rows of sample racks 50, so that the distances from the heating member 30 to the sample racks 50 are equal, the heating is more uniform, and the problem that the sample is deteriorated due to over-high temperature of a part of the sample racks 50 or the defrosting cannot be achieved due to over-low temperature of a part of the sample racks 50 is avoided.

In one embodiment, as shown in fig. 5, the heating part 30 may include a fan 31 and a heating element 32 fixed to an outlet of the fan 31; the fan 31 is fixed to the case 10. The heating element 32 may be an existing heat patch. The air heated by the heating element 32 is continuously blown into each sample rack 50 by the fan 31, thereby increasing the temperature of the sample rack 50. It will be appreciated that the power of the heating element 32 can be adjusted to adjust the temperature inside the enclosure 10 as needed to avoid sample deterioration due to excessive temperatures. In the present embodiment, the fan 31 is fixed in a square tube-shaped housing 33, and the heating element 32 may be fixed at an opening at one end of the housing 33.

In one embodiment, as shown in fig. 4 and 6, the drive device 40 may include a motor 41; the motor 41 is located outside the casing 10, and an output shaft of the motor 41 extends to a hollow portion of the casing 10 and is connected to the rotary frame 20. The motor 41 is arranged outside the box body 10, and the low temperature is isolated from the motor 41 by using the wall of the box body 10, on one hand, the motor 41 is arranged outside the box body 10, so that the maintenance and the assembly are more convenient; on the other hand, the use of low-temperature motor 41 with higher cost such as low-temperature motor 41 is avoided. In the present embodiment, a rotary support 42 is connected to the inner wall of the box 10, the outer ring of the rotary support 42 is fixed to the box 10, the output shaft of the motor 41 and the rotating frame 20 are both fixedly connected to the inner ring of the rotary support 42, and the output shaft of the motor 41 can also be in transmission connection with the inner ring of the rotary support 42 through a gear 73 transmission or the like; the inner ring of the rotary support 42 may be fixed to the housing 10, the outer ring of the rotary support 42 may be fixedly connected to the rotary frame 20, and the output shaft of the motor 41 may be drivingly connected to the outer ring of the rotary support 42 through a gear 73.

In one embodiment, as shown in fig. 6, the rotating frame 20 may include an upper connection plate 21, a lower connection plate 22, and a plurality of connection rods 23 provided between the upper connection plate 21 and the lower connection plate 22; the connecting rods 23 are uniformly distributed along the rotating direction of the rotating frame 20, and two ends of each connecting rod 23 are fixedly connected with the upper connecting plate 21 and the lower connecting plate 22 respectively; the plurality of rows of sample racks 50 are fixedly connected with the plurality of connecting rods 23 in a one-to-one correspondence manner. In the embodiment, the upper connecting plate 21 is annular, the lower connecting plate 22 is cylindrical, and one cylindrical surface is divided into a plurality of uniformly distributed rod pieces, so that the weight of the whole rotating frame 20 can be reduced, the load of the motor 41 can be reduced, the motor 41 with smaller power can be selected, and energy is saved; and the connecting rod 23 may also serve as a bridge connecting the sample rack 50 with the rotating rack 20.

In one embodiment, as shown in fig. 1, each of the door assemblies may include: the door body 60 corresponding to the opening 11 of the box body 10 and a driving unit for driving the door body 60 to translate along an L-shaped track; the short side of the L-shaped track is arranged towards the inside of the box 10. The driving unit can adopt orthogonal driving, and two directions of the orthogonal driving are respectively parallel to the long side of the L-shaped track and the short side of the L-shaped track.

Fig. 1 shows a case where the opening 11 of one end of the cabinet 10 is provided with a door assembly, and it is understood that the door assembly is mirrored to the opening 11 of the other end of the cabinet 10.

In one embodiment, as shown in fig. 1, 8, 9 and 10, the driving unit may include: the driving part 70 and two track assemblies 80 which are arranged on two opposite sides of the door body 60 in a mirror symmetry manner; the track assemblies 80 may each include: a first track plate 81 fixed on the box body 10 and a second track plate 82 arranged along the long edge of the L-shaped track in a sliding way; the first track board 81 is provided with two L-shaped track grooves 811 parallel to the L-shaped track; two L-shaped track grooves 811 are arranged along the long side of the L-shaped track; the second track plate 82 is provided with two mutually parallel lifting track grooves 821 corresponding to the two L-shaped track grooves 811; the two lifting track grooves 821 are arranged along the long edge of the L-shaped track; the lifting track groove 821 comprises an oblique line section 8211 with an included angle omega with the long edge of the L-shaped track, wherein the included angle omega is more than or equal to 15 degrees and less than or equal to 60 degrees, and movable blocks 83 are arranged in the lifting track groove 821; the movable block 83 is fixed to the door body 60 and extends into the corresponding L-shaped track groove 811; the driving member 70 is used for driving the two second track plates 82 to synchronously slide back and forth. Preferably, 30 DEG-omega-45 DEG

The driving component 70 drives the two second track plates 82 to slide, and the oblique line section 8211 of the lifting track groove 821 pushes the movable block 83 and the door body 60 to move to the position opposite to the door opening along the long edge of the L-shaped track groove 811; the second track plate 82 continues to slide, the movable block 83 gradually slides into the short side of the L-shaped track groove 811 along the oblique line section 8211, the door body 60 moves towards the door opening and seals the door opening, and the door body 60 is tightly pressed through the lifting track groove 821, so that the sealing is tight, and the heat preservation performance is good.

The sealing strip 12 is disposed between the door 60 and the opening 11 of the box 10, and the sealing strip 12 can be fixed to the opening 11 of the box 10 or the door 60 in the prior art, which is not described herein again.

The movable block 83 may be a circular shaft, one end of the circular shaft is fixed to the door body 60, the other end of the circular shaft is respectively sleeved with two bearings 85, and the two bearings 85 are respectively located in the corresponding L-shaped track groove 811 and the lifting track groove 821.

In one embodiment, as shown in fig. 9, the lifting track 821 further includes two parallel extension sections 8212, the two extension sections 8212 are respectively connected to two ends of the oblique section 8211, and an included angle between the extension section 8212 and a long side of the L-shaped track is δ, wherein δ is greater than or equal to 0 ° and less than or equal to 5 °. So that the lifting track groove 821 and the movable block 83 form self-locking to ensure that the door body 60 is not loosened.

In one embodiment, as shown in fig. 1, two connecting rods 84 are provided between the two first track plates 81; two first orbit boards 81 and two connection pull rods 84 enclose into a rectangle to even be a whole with the first orbit board 81 of both sides, structural strength is better, provides the location benchmark for other parts of orbit subassembly 80 simultaneously, and the precision is changeed and is guaranteed, and can effectively avoid both sides orbit subassembly 80 to misplace each other.

In one embodiment, as shown in fig. 1, the driving part 70 may include: a driving member 71 and a transmission structure; the input end of the transmission structure is connected with the driving member 71, and the output end of the transmission structure is respectively connected with the two second track boards 82. The transmission structure can adopt the existing transmission connection structure such as flexible transmission, and in the embodiment, the transmission structure can include: a transmission shaft 72, two gears 73 fixed to the transmission shaft 72, and two racks 74 respectively engaged with the two gears 73; both racks 74 are parallel to the long side of the L-shaped track; the transmission shaft 72 is the input end of the transmission structure; two racks 74 or two gears 73 are the output of the transmission. The driving member 71 may be a servo motor, and the servo motor may be fixed, specifically, as shown in fig. 1, the servo motor and the box 10, the transmission shaft 72 is rotatably supported on the box 10, and the two racks 74 are respectively and fixedly connected to the two second track plates 82; the servo motor may also be set to be movable, specifically, two racks 74 are respectively fixed on two sides of the box 10, two ends of the transmission shaft 72 are respectively rotatably connected with two second track plates 82, and the servo motor is fixed on any one of the second track plates 82 and is fixedly or drivingly connected with one end of the transmission shaft 72.

The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (10)

1. A sample access structure for a biological sample storage device, comprising: the refrigerator comprises a box body with openings at two ends, two door assemblies for opening and closing the openings at the two ends respectively, and a rotating frame and a heating component which are arranged in the box body; the rotating frame is connected with a driving device for driving the rotating frame to rotate around a vertical axis, and a plurality of rows of sample frames for placing the sample boxes are arranged on the rotating frame along the rotating direction of the rotating frame.

2. The sample access structure for a biological sample storage device according to claim 1, wherein each column of said sample racks comprises a plurality of sample cartridge placement plates arranged in a column; the upper surface of the sample box placing plate is provided with a sample box placing groove; the bottom of the sample box placing groove is provided with a plurality of convex bosses; the apexes of the plurality of bosses form a support surface that supports the sample cartridge.

3. The sample access structure for a biological sample storage device according to claim 2, wherein the bosses are provided in four numbers, and the four bosses correspond to four corners of the sample cartridge, respectively.

4. The sample access structure for a biological sample storage device of claim 1, wherein the heating member is located at the center of the inside of the region surrounded by the plurality of rows of sample racks.

5. The sample access structure for a biological sample storage device of claim 1 or 4, wherein said heating means comprises a fan and a heating element secured to an outlet of the fan; the fan is fixed in the box.

6. The sample access structure for a biological sample storage device of claim 1, wherein said drive means comprises a motor; the motor is located the box outside, and the output shaft of motor extends in the box and is connected with the swivel mount.

7. The sample access structure for a biological sample storage device of claim 1, wherein the carousel comprises an upper connection plate, a lower connection plate, and a plurality of connection rods disposed between the upper connection plate and the lower connection plate; the connecting rods are uniformly distributed along the rotating direction of the rotating frame, and two ends of each connecting rod are fixedly connected with the upper connecting plate and the lower connecting plate respectively; the multiple rows of sample racks are respectively and fixedly connected with the connecting rods in a one-to-one correspondence manner.

8. The sample access structure for a biological sample storage device of claim 1, wherein each of said door assemblies comprises: the door body corresponding to the opening of the box body and the driving unit for driving the door body to translate along the L-shaped track; the short side of the L-shaped track is arranged towards the interior of the box body.

9. The sample access structure for a biological sample storage device of claim 8, wherein said drive unit comprises: the driving part and the two track assemblies are arranged on two opposite sides of the door body in a mirror symmetry manner; the track assemblies each include: the first track plate is fixed on the box body, and the second track plate is arranged along the long edge of the L-shaped track in a sliding manner; the first track plate is provided with two L-shaped track grooves parallel to the L-shaped tracks; the two L-shaped track grooves are arranged along the long edge of the L-shaped track; the second track plate is provided with two lifting track grooves which are parallel to each other corresponding to the two L-shaped track grooves; the two lifting track grooves are distributed along the long edge of the L-shaped track; the lifting track groove comprises an inclined line segment with an included angle omega with the long edge of the L-shaped track, the angle omega is more than or equal to 15 degrees and less than or equal to 60 degrees, and movable blocks are arranged in the lifting track groove; the movable block is fixed to the door body and extends into the corresponding L-shaped track groove; the driving component is used for driving the two second track plates to synchronously slide in a reciprocating mode.

10. The sample access structure for a biological sample storage device of claim 9, wherein said drive member comprises: a driving member and a transmission structure; the input end of the transmission structure is connected with the driving piece, and the output end of the transmission structure is respectively connected with the two second track boards.

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