CN218260737U - Sample box access mechanism and low temperature storage device - Google Patents

Abstract

The utility model relates to a sample box access mechanism and low temperature storage device, including sample box tongs subassembly, mount pad subassembly, first drive mechanism and a actuating mechanism, wherein: the first driving mechanism is connected with the first transmission mechanism and is arranged on the mounting frame component; the mounting frame assembly comprises a vertical plate and a sliding rail arranged on the vertical plate along the vertical direction, and the vertical plate is integrally formed; the sample box gripper assembly is connected with the first transmission mechanism and is connected with the sliding rail in a matched mode. The utility model discloses a riser that integrated into one piece made can reduce the degree of difficulty of processing and assembly to can be so that the surface that the riser is used for installing the slide rail is more level and more smooth, be convenient for assemble with the slide rail, avoid the phenomenon of slide rail bending under the low temperature condition to a certain extent to take place.

Description

Sample box access mechanism and low temperature storage device

Technical Field

The application relates to the field of low-temperature storage, in particular to a sample box access mechanism and low-temperature storage equipment.

Background

The cryogenic storage device may use a sample cartridge access mechanism to retrieve a sample cartridge from the interior of the cryogenic storage device or to store a sample cartridge into the interior of the cryogenic storage device. The sample cartridge access mechanism is typically mounted to the body structure of the cryogenic storage device via a mounting assembly, and a slide rail is provided on the mounting assembly for the sample cartridge gripper assembly to slide up and down. In the prior art, the mounting assembly of the sample box storing and taking mechanism is a frame structure formed by splicing a plurality of cross beams and vertical beams, the slide rails are mounted on the frame structure, and the cross beams and the vertical beams have high requirements on line tolerance during assembly, so that the technical problems of high processing and assembling difficulty and high manufacturing cost exist. And because the slide rail and the frame structure are usually made of different materials, the shrinkage degree of the vertical beam and the slide rail is different under the low-temperature condition, so that the problem that the slide rail is bent easily occurs in the use process of the sample box access mechanism.

SUMMERY OF THE UTILITY MODEL

In view of this, one of the technical problems solved by the embodiments of the present invention is to provide a sample box storing and taking mechanism, which is used to overcome the technical problems that the sample box storing and taking mechanism in the prior art is difficult to process and assemble, and the slide rail is easy to bend during use.

The embodiment of the utility model provides a first aspect discloses a sample box access mechanism, including sample box tongs subassembly, mount pad subassembly, a drive mechanism and a actuating mechanism, wherein: the first driving mechanism is connected with the first transmission mechanism and is arranged on the mounting frame component; the mounting rack assembly comprises a vertical plate and a sliding rail, wherein the vertical plate is vertically arranged, the sliding rail is arranged on the vertical plate along the vertical direction, and the vertical plate is integrally formed; the sample box gripper assembly is connected with the first transmission mechanism and is connected with the sliding rail in a matching way; when the first driving mechanism works, the sample box gripper assembly can be driven by the first transmission mechanism to slide along the slide rail in the vertical direction, so that the sample box can be accessed when the sample box gripper assembly slides to the access position.

In an optional embodiment of the present invention, the mounting bracket assembly further includes a first transverse plate, the vertical plate is installed below the first transverse plate, and the vertical plate can slide in a first horizontal direction relative to the first transverse plate; wherein the first horizontal direction is perpendicular to the vertical direction.

In an optional embodiment of the present invention, the mounting bracket assembly further comprises a second transverse plate and a third transverse plate; the two ends of the first transverse plate are respectively connected with the second transverse plate and the third transverse plate, and the first transverse plate can slide in a second horizontal direction relative to the second transverse plate and the third transverse plate; the second horizontal direction is perpendicular to both the first horizontal direction and the vertical direction.

In an optional embodiment of the present invention, the mounting frame assembly further comprises a transverse plate mounting member, and the vertical plate is mounted below the first transverse plate through the transverse plate mounting member; the diaphragm installed part and first diaphragm sliding connection can drive the riser and slide in first horizontal direction for first diaphragm.

The utility model discloses an optional embodiment, the mounting bracket subassembly still includes the strengthening rib, and the strengthening rib is connected with riser and diaphragm installed part respectively for guarantee the straightness that hangs down of riser.

In an optional embodiment of the present invention, the vertical plate includes a mounting groove, the first transmission mechanism includes a sprocket and a chain, the chain is mounted in the mounting groove and connected to the sample box gripper; when first actuating mechanism during operation, accessible chain drives sample box tongs subassembly and slides along the slide rail in vertical direction.

In an optional embodiment of the present invention, the vertical plate and the slide rail are made of the same material.

In an optional embodiment of the present invention, the material of the vertical plate and the slide rail is stainless steel.

The utility model discloses an optional embodiment, the mounting bracket subassembly still includes the track installed part with riser integrated into one piece, and the track installed part sets up on the riser along vertical direction, and the slide rail is installed on the track installed part.

A second aspect of the present invention discloses a cryogenic storage device, comprising a sample box gripper assembly, a sample rack, and a cryogenic container as described in the first aspect above; the sample rack is used for storing the sample box and is positioned inside the low-temperature container; the first drive mechanism may drive the sample cartridge gripper assembly to move within the cryogenic container to remove a sample cartridge from the sample rack or place a sample cartridge on the sample rack.

The utility model discloses a sample box access mechanism includes sample box tongs subassembly, mount pad subassembly, a drive mechanism and a actuating mechanism, wherein: the first driving mechanism is connected with the first transmission mechanism and is arranged on the mounting frame component; the mounting rack assembly comprises a vertical plate and a sliding rail, wherein the vertical plate is arranged in the vertical direction, and the sliding rail is mounted on the vertical plate along the vertical direction, and the vertical plate is integrally formed; the sample box gripper assembly is connected with the first transmission mechanism and is connected with the sliding rail in a matching way; when the first driving mechanism works, the sample box gripper assembly can be driven by the first transmission mechanism to slide along the slide rail in the vertical direction, so that the sample box can be accessed when the sample box gripper assembly slides to the access position. The utility model discloses a riser that integrated into one piece made and the riser that the concatenation formed can reduce the degree of difficulty of processing and assembly to can be so that the surface that the riser is used for installing the slide rail is more level and more level, be convenient for assemble with the slide rail, avoid the phenomenon of slide rail bending under the low temperature condition to a certain extent to take place.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a sample cassette accessing mechanism disclosed in an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 3 is a schematic diagram illustrating a first view angle of a vertical plate of a sample storage and retrieval mechanism according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a vertical plate of a sample box access mechanism at a second viewing angle according to an embodiment of the present disclosure.

Reference numerals are as follows: 1-a sample cartridge access mechanism; 11-a mounting bracket assembly; 111-risers; 111 a-mounting groove; 112-a slide rail; 113-a first transverse plate; 114-a second cross plate; 115-a third transverse plate; 116-a cross plate mount; 117-reinforcing ribs; 118-a track mount; 12-a first drive mechanism; 13-sample cartridge gripper assembly.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the present invention, the orientation or positional relationship belonging to the knowledge of "up", "down", "outside", etc. is based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; either directly or indirectly through intervening media, or may be in communication internally between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the terms "first," "second," and the like are used primarily to distinguish one device, element, or component from another (the specific type and configuration of the device may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

Example one

As shown in fig. 1 to 4, a structure of a sample cartridge access mechanism 1 disclosed in an embodiment of the present application includes: a sample cartridge gripper assembly 13, a mounting frame assembly 11, a first drive mechanism (not shown), and a first drive mechanism 12, wherein: the first driving mechanism 12 is connected with the first transmission mechanism and is arranged on the mounting frame assembly 11; the mounting bracket assembly 11 comprises a vertical plate 111 and a sliding rail 112 mounted on the vertical plate 111 along the vertical direction, wherein the vertical plate 111 is integrally formed; the sample box gripper assembly 13 is connected with the first transmission mechanism, and the sample box gripper assembly 13 is connected with the sliding rail 112 in a matching manner; when the first driving mechanism 12 works, the sample box gripper assembly 13 may be driven by the first transmission mechanism to slide along the slide rail 112 in the vertical direction, so that the sample box may be accessed when the sample box gripper assembly 13 slides to the access position.

In this embodiment, the sample cartridge access mechanism 1 can be integrally mounted on the cryogenic storage device through the mounting assembly 11, and a plurality of parts of the sample cartridge access mechanism 1 can be mounted on the mounting assembly. The mounting frame assembly 11 at least comprises a vertical plate 111 which is vertically placed, and a slide rail 112 which is mounted on the vertical plate 111 along the vertical direction, wherein the slide rail 112 is connected with the sample box gripper assembly 13 in a matching way, so that the sample box gripper assembly 13 can slide along the slide rail 112 to realize vertical upward or downward movement. The vertical direction in this embodiment is a direction perpendicular to the horizontal plane, such as the direction of the Z axis in the coordinate system of fig. 1. The material of the slide rail 112 and the vertical plate 111 is not limited, and may be the same or different, and is preferably a material that is not easily deformed in a low-temperature environment.

In this embodiment, the shape and size of the cross section of the riser 111 are not limited, and can be designed reasonably according to the actual application requirements. For example, the risers 111 may include a number of cross beams and vertical beams thereon.

In this embodiment, a first drive mechanism 12 is mounted on the mounting bracket assembly 11 and is coupled to the first transmission mechanism for generating mechanical energy and driving the first transmission mechanism to move. The specific structural composition of the first driving mechanism 12 and the installation position on the mounting bracket assembly 11 are not limited, for example, the first driving mechanism 12 may be a manually driven assembly, and may also be an electrically or magnetically driven assembly; the first drive mechanism 12 may be mounted to the riser 111 or to another component of the mounting assembly.

In this embodiment, the first transmission mechanism is used to transmit the mechanical energy generated by the first driving mechanism 12 to the sample box gripper assembly 13, so as to drive the sample box gripper assembly 13 to move up or down along the slide rail 112. The specific structural composition of the first transmission mechanism and the installation position on the mounting bracket assembly 11 are not limited. For example, the first transmission mechanism may be one or more cooperating gear assemblies, a drive wheel and belt assembly, or a gear and rack assembly.

In this embodiment, the access operation includes a storage operation and a retrieval operation, and the access position is not a fixed position, but a position where a sample cartridge needs to be placed or a position where a sample cartridge needs to be retrieved. In other words, the cartridge gripper assembly 13 is used to grip a cartridge from one access position and move the cartridge to another access position to achieve positional adjustment of the cartridge. The sample box gripper assembly 13 is mounted on the vertical plate 111 and is connected with the slide rail 112 in a matching manner, and can move at least upwards or downwards along the slide rail 112 under the driving of the first transmission mechanism, that is, the sample box gripper assembly 13 can at least grip a sample box located at one height position and move the gripped sample box to another height position.

In this embodiment, when the first driving mechanism 12 works, the first transmission mechanism can drive the sample box gripper to slide along the slide rail 112 in the vertical direction, so that the sample box gripper assembly 13 can access the sample box when sliding to the access position, thereby implementing the automatic access function of the sample box. In addition, the riser 111 that adopts integrated into one piece to make rather than the riser 111 that the concatenation formed, can reduce the degree of difficulty of processing and assembly to can make the riser 111 be used for installing the surface of slide rail 112 more level and more smooth, be convenient for assemble with slide rail 112, avoid the phenomenon of slide rail 112 crooked emergence under the low temperature condition to a certain extent.

Optionally, the mount assembly 11 further includes a first transverse plate 113, the riser 111 is mounted below the first transverse plate 113, and the riser 111 is slidable in a first horizontal direction (e.g., x-axis direction in fig. 1) relative to the first transverse plate 113; wherein the first horizontal direction is perpendicular to the vertical direction.

Wherein, a plurality of sample racks are arranged in the low-temperature container, and the first driving mechanism 12 can drive the sample box gripper assembly 13 to move in the space around the sample racks and can take out or store the sample box when the sample box gripper assembly reaches the access position. Since the sample box gripper 13 is mounted on the vertical plate 111, in order to allow the sample box gripper 13 to move not only in the vertical direction but also in the horizontal direction to move to more access positions for access operation, the first horizontal plate 113 may be disposed above the vertical plate 111, and the vertical plate 111 may slide in the first horizontal direction with respect to the first horizontal plate 113.

The manner of connection between the riser 111 and the first transverse plate 113 is not limited, nor is the manner in which the riser 111 slides relative to the first transverse plate 113 in the first horizontal direction. For example, the first lateral plate 113 and the vertical plate 111 can be slidably connected by a combination of a groove and a protrusion, one of the groove and the protrusion being directly or indirectly disposed on the first lateral plate 113 and the other being directly or indirectly disposed on the vertical plate 111. For another example, the sample storage and retrieval mechanism 1 may further include a second driving mechanism and a second transmission mechanism, wherein the second driving mechanism drives the vertical plate 111 to slide in the first horizontal direction, and when the second driving mechanism works, the vertical plate 111 may slide along the first horizontal plate 113 under the driving of the second transmission mechanism.

Optionally, to further expand the range of motion of the sample cartridge gripper assembly 13 in the horizontal direction, the mount assembly 11 further comprises a second cross plate 114 and a third cross plate 115; both ends of the first horizontal plate 113 are connected to the second horizontal plate 114 and the third horizontal plate 115, respectively, and the first horizontal plate 113 can slide in a second horizontal direction (e.g., the y-axis direction in fig. 1) relative to the second horizontal plate 114 and the third horizontal plate 115; the second horizontal direction is perpendicular to both the first horizontal direction and the vertical direction.

The connection manner and the installation position between the first horizontal plate 113 and the second horizontal plate 114 and the third horizontal plate 115 are not limited, and the manner of sliding the first horizontal plate 113 in the second horizontal direction relative to the second horizontal plate 114 and the third horizontal plate 115 is also not limited. For example, the first horizontal plate 113, the second horizontal plate 114 and the third horizontal plate 115 may slide by means of a groove and protrusion. For another example, the cartridge accessing mechanism 1 further includes a third driving mechanism and a third transmission mechanism for sliding the vertical plate 111 in the second horizontal direction; when the third driving mechanism is operated, the first cross plate 113 can move along the second cross plate 114 and the third cross plate 115 under the driving of the third driving mechanism. Referring to fig. 1, it may be preferred that the second and third cross plates 114 and 115 are disposed in parallel.

Optionally, to ensure that the riser 111 can slide more smoothly relative to the first cross plate 113, the mount assembly 11 further includes a cross plate mount 116, the riser 111 being mounted below the first cross plate 113 by the cross plate mount 116; the cross plate mounting member 116 is slidably connected to the first cross plate 113, and can drive the vertical plate 111 to slide in a first horizontal direction relative to the first cross plate 113.

Wherein, horizontal plate installed part 116 sets up between first horizontal plate 113 and riser 111, its one side and riser 111 fixed connection, opposite side and first horizontal plate 113 sliding connection, and horizontal plate installed part 116 receives can drive riser 111 after driving force and slide in first horizontal direction for first horizontal plate 113 to drive sample box tongs subassembly 13 and slide in first horizontal direction. The material of the cross plate attachment 116 and the specific connection to the riser 111 and the first cross plate 113 are not limited. For example, the cross plate mount 116 may be integrally formed with the riser 111, or may be fixedly connected to the riser 111 by screws or snap-fit structures; the first cross plate 113 and the cross plate mounting member 116 may be slidably coupled by a groove and projection arrangement, with one of the groove or projection being disposed directly or indirectly on the first cross plate 113 and the other being disposed on the cross plate mounting member 116.

Optionally, referring to fig. 2, the mounting bracket assembly 11 further includes reinforcing ribs 117, and the reinforcing ribs 117 are respectively connected to the riser 111 and the cross plate mounts 116 for ensuring the verticality of the riser 111.

Wherein, because the dodge space around the sample frame is limited, in order to guarantee that the vertical upwards or the upward skew of horizontal direction can not take place in the downward movement in-process of sample box tongs subassembly 13, lead to appearing bumping the phenomenon of other spare parts in sample frame or the low temperature storage equipment, can set up the strengthening rib 117 that is used for guaranteeing riser 111 straightness that hangs down. The two end faces of the reinforcing ribs 117 can be connected to the riser 111 and the cross plate attachment 116, respectively, and the shape, number, and molding manner of the reinforcing ribs 117 are not limited. For example, the shape of the reinforcing rib 117 may be a rectangular parallelepiped column or an irregularly shaped column. For another example, the ribs 117 may be integrally formed with the riser 111 and the cross plate attachment 116, or may be connected by welding or bonding.

Alternatively, referring to fig. 3, the riser 111 includes a mounting groove 111a, and the first transmission mechanism includes a sprocket and a chain, the chain being mounted in the mounting groove 111a and connected to the sample box gripper; when the first driving mechanism 12 is operated, the sample box gripper assembly 13 may be driven by the chain to slide along the slide rail 112 in the vertical direction.

Wherein, adopt sprocket and chain structure not only can be better conduct the mechanical energy that first actuating mechanism 12 produced to sample box tongs subassembly 13, moreover because the chain can be crooked or folding, easily assemble to mounting groove 111a in, still be difficult for bumping with other spare parts when the rational utilization space. Referring to fig. 3, the mounting groove 111a structure on the vertical plate 111 can also be arranged along the vertical direction, which is parallel to the sliding rail 112. The first drive mechanism 12 may preferably be mounted to the cross plate mount 116.

Alternatively, in order to avoid the phenomenon that the sliding rail 112 is bent under a low temperature environment, it is preferable that the riser 111 and the sliding rail 112 are made of the same material.

Wherein, because the slide rail 112 is installed on the vertical plate 111, if the slide rail 112 and the vertical plate 111 are made of different materials, the shrinkage degree of the slide rail 112 and the vertical plate 111 is different in a low temperature environment, which may cause the slide rail 112 to be bent in the using process. Therefore, the riser 111 and the sliding rail 112 can be made of the same material.

Further, in order to ensure that the specimen cassette access mechanism 1 can work normally in a low-temperature environment and at the same time is not prone to rusting, the vertical plate 111 and the slide rail 112 are preferably made of stainless steel.

Optionally, to facilitate mounting of the slide rail 112 and to ensure flatness of the mounting surface of the slide rail 112, the mount assembly 11 further includes a rail mount 118, the rail mount 118 being disposed on the riser 111 in the vertical direction, the slide rail 112 being mounted on the rail mount 118.

Wherein the rail mount 118 is disposed between the riser 111 and the rail, the rail mount 118 being sized to fit the skid rail 112 and the riser 111.

Further, referring to fig. 3 and 4, to reduce the difficulty of machining and assembly, the riser 111 and the rail mount 118 may also be integrally formed, wherein the rail mount 118 preferably has a width less than the width of the riser 111.

Example two

A cryogenic storage device comprising a sample cartridge access mechanism 1 of the first embodiment, and a sample rack (not shown) and a cryogenic container (not shown); the sample rack is used for storing the sample box and is positioned inside the low-temperature container; the first drive mechanism 12 may drive the sample cartridge gripper assembly 13 to move within the cryogenic container to remove a sample cartridge from a sample rack or place a sample cartridge on a sample rack.

In this embodiment, the sample cassette access mechanism 1 is located inside the low temperature container, and can slide to the target sample rack as required, and take out the sample cassette from the sample rack through the sample cassette gripper assembly 13, or place the sample cassette on the sample rack.

Optionally, the sample cartridge accessing mechanism 1 comprises a sample cartridge gripper assembly 13, a mounting frame assembly 11, a first transmission mechanism and a first driving mechanism 12, wherein: the first driving mechanism 12 is connected with the first transmission mechanism and is arranged on the mounting frame assembly 11; the mounting bracket assembly 11 comprises a vertical plate 111 and a sliding rail 112 mounted on the vertical plate 111 along the vertical direction, wherein the vertical plate 111 is integrally formed; the sample box gripper assembly 13 is connected with the first transmission mechanism, and the sample box gripper assembly 13 is connected with the slide rail 112 in a matching way; when the first driving mechanism 12 works, the sample box gripper assembly 13 can be driven by the first transmission mechanism to slide along the slide rail 112 in the vertical direction, so that the sample box can be accessed when the sample box gripper assembly 13 slides to the access position.

Optionally, the mounting bracket assembly 11 further includes a first cross plate 113, the riser 111 is mounted below the first cross plate 113, and the riser 111 is slidable in a first horizontal direction relative to the first cross plate 113; wherein the first horizontal direction is perpendicular to the vertical direction.

Optionally, the mount assembly 11 further comprises a second cross plate 114 and a third cross plate 115; both ends of the first horizontal plate 113 are connected to the second horizontal plate 114 and the third horizontal plate 115, respectively, and the first horizontal plate 113 can slide in the second horizontal direction relative to the second horizontal plate 114 and the third horizontal plate 115; the second horizontal direction is perpendicular to the first horizontal direction and the vertical direction.

Optionally, the mount assembly 11 further comprises a cross plate mount 116, the riser 111 being mounted below the first cross plate 113 by the cross plate mount 116; the cross plate mounting member 116 is slidably connected to the first cross plate 113, and can drive the vertical plate 111 to slide in a first horizontal direction relative to the first cross plate 113.

Optionally, the mounting bracket assembly 11 further includes a reinforcement rib 117, the reinforcement rib 117 being connected to the riser 111 and the cross plate mount 116, respectively, for ensuring the verticality of the riser 111.

Optionally, the riser 111 comprises a mounting groove 111a, the first transmission mechanism comprises a sprocket and a chain, and the chain is mounted in the mounting groove 111a and connected with the sample box gripper; when the first driving mechanism 12 is operated, the sample box gripper assembly 13 may be driven by the chain to slide along the slide rail 112 in the vertical direction.

Optionally, the riser 111 and the sliding rail 112 are made of the same material.

Optionally, the riser 111 and the sliding rail 112 are both made of stainless steel.

Optionally, the mount assembly 11 further includes a rail mount 118 integrally formed with the riser 111, the rail mount 118 being disposed on the riser 111 in the vertical direction, the slide rail 112 being mounted on the rail mount 118.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a sample box access mechanism which characterized in that, includes sample box tongs subassembly, mount pad subassembly, a drive mechanism and a drive mechanism, wherein:

the first driving mechanism is connected with the first transmission mechanism and is arranged on the mounting frame component;

the mounting rack assembly comprises a vertical plate and a sliding rail, wherein the vertical plate is vertically arranged, the sliding rail is arranged on the vertical plate along the vertical direction, and the vertical plate is integrally formed;

the sample box gripper assembly is connected with the first transmission mechanism and is in fit connection with the sliding rail;

when the first driving mechanism works, the sample box gripper assembly can be driven by the first driving mechanism to slide along the slide rail in the vertical direction, so that the sample box can be accessed when the sample box gripper assembly slides to the access position.

2. The sample cartridge access mechanism of claim 1, wherein the mounting assembly further comprises a first transverse plate, the riser is mounted below the first transverse plate, and the riser is slidable relative to the first transverse plate in a first horizontal direction; wherein the first horizontal direction is perpendicular to the vertical direction.

3. The sample cartridge access mechanism of claim 2, wherein the mounting rack assembly further comprises a second transverse plate and a third transverse plate; two ends of the first transverse plate are respectively connected with the second transverse plate and the third transverse plate, and the first transverse plate can slide in a second horizontal direction relative to the second transverse plate and the third transverse plate; wherein the second horizontal direction is perpendicular to both the first horizontal direction and the vertical direction.

4. The sample cartridge access mechanism of claim 2, wherein the mounting bracket assembly further comprises a cross plate mount, the riser mounted below the first cross plate by the cross plate mount; the transverse plate mounting piece is connected with the first transverse plate in a sliding mode and can drive the vertical plate to slide in a first horizontal direction relative to the first transverse plate.

5. The sample cassette access mechanism of claim 4, wherein the mounting bracket assembly further comprises reinforcing ribs connected to the vertical plate and the transverse plate mount, respectively, for ensuring perpendicularity of the vertical plate.

6. The sample cassette access mechanism of claim 1, wherein the riser comprises a mounting slot, and the first drive mechanism comprises a sprocket and a chain mounted in the mounting slot and connected to the sample cassette hand grip; when the first driving mechanism works, the sample box gripper assembly can be driven by the chain to slide along the sliding rail in the vertical direction.

7. The cartridge access mechanism of claim 1, wherein the riser and the slide are the same material.

8. The sample cartridge access mechanism of claim 7, wherein the riser and the slide are both stainless steel.

9. The specimen cassette access mechanism of claim 1, wherein the mounting assembly further includes a rail mount integrally formed with the riser, the rail mount disposed on the riser in a vertical direction, the slide mounted on the rail mount.

10. A cryogenic storage device comprising the sample cartridge access mechanism of any of claims 1 to 9, a sample rack and a cryogenic container; the sample rack is used for storing sample boxes and is positioned inside the low-temperature container; the first drive mechanism may drive the sample cartridge gripper assembly to move within the cryogenic container to remove a sample cartridge from the sample rack or place a sample cartridge on the sample rack.

Images