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CN-224198273-U - A pipe device is chosen in location for freezing case

CN224198273UCN 224198273 UCN224198273 UCN 224198273UCN-224198273-U

Abstract

The utility model discloses a positioning tube picking device for a freezing box, which comprises a base, a placing platform and an extraction pin which is detachably fixed on a positioning hole of the base, wherein the placing platform is provided with a placing hole which is matched with the freezing box and a first mounting hole which is movably connected with the base, the placing platform is movably connected with the base through a resetting component, so that the placing platform can move up and down relative to the base, and the freezing tube is ejected out through the extraction pin. The device is simple in design, convenient to operate and low in cost, the freezing tube at any position of the freezing box can be flexibly extracted through the detachable extraction pin, the extraction efficiency and the accuracy of the target freezing tube can be effectively improved through the positioning chamfer and the positioning hole, in addition, the placement holes on the placement platform can be suitable for the freezing boxes with different designs, the placement and the taking of the freezing boxes are convenient, and the elastic reset design of the rectangular flange, the chamfer and the reset assembly is convenient for a single person to operate so as to rapidly extract the designated target freezing tube.

Inventors

  • TANG HAIBO
  • JING JIANZHONG

Assignees

  • 上海金卫细胞组织储存服务有限公司

Dates

Publication Date
20260505
Application Date
20250408

Claims (10)

  1. 1. The positioning tube picking device for the freezing storage box is characterized by comprising a placing platform (1), a base (2) and an extracting pin (6); The refrigerator comprises a placing platform (1), a placing hole (11) and a first mounting hole (12), wherein the placing hole (11) is matched with a freezing storage box (8) and the first mounting hole (12) is used for being movably connected with a base (2), the cross section size of the placing hole (11) is slightly larger than the outer contour of the freezing storage box (8), a flange (111) is arranged at the bottom of the placing hole (11), the flange (111) extends along the circumferential direction of the placing hole (11) at equal intervals, and the distance from the upper end face of the flange (111) to the upper end face of the placing platform (1) is not smaller than the height of a raised step (83) of the freezing storage box (8); The refrigerator comprises a base (2), wherein supporting feet (5) are arranged on the lower end face of the base (2), positioning holes (21) and guide holes (22) are formed in the base (2), the positioning holes (21) are uniformly formed in the center of the base (2) and correspond to the distribution positions of storage grids (81) of a freezing storage box (8) one by one, the guide holes (22) are formed in positions corresponding to the positions of first mounting holes (12) one by one, reset components are arranged between the first mounting holes (12) and the guide holes (22), and the placing platform (1) is movably connected with the base (2) through the reset components, so that the placing platform (1) can move up and down relative to the base (2); The pin extraction (6) comprises a step part (61) for ejecting the freezing storage tube (9) and a pin part (62) which is detachably fixed in the positioning hole (21), the diameter of the step part (61) is not larger than that of a storage grid (81) on the freezing storage box (8), and when the placement platform (1) moves to the lowest point, the upper end face of the step part (61) is higher than the upper end face of the placement platform (1).
  2. 2. The positioning tube picking device for the freezing storage box according to claim 1, wherein the reset assembly comprises a guide post (3) and a reset spring (4) sleeved outside the guide post (3), the guide post (3) comprises a guide post body (31) and a limiting protrusion (32) arranged at the lower end of the guide post body (31), the outer diameter of the limiting protrusion (32) is larger than the diameter of the guide hole (22), and the guide post (3) passes through the guide hole (22) from bottom to top and is fixed on the first mounting hole (12), so that the guide post (3) can move up and down along the radial direction of the guide hole (22) and can be reset through the reset spring (4).
  3. 3. A positioning tube picking device for a freezing box according to claim 2, characterized in that the inner diameter of the return spring (4) is slightly larger than the outer diameter of the guide post body (31), and the height of the return spring (4) is 1.2 times the height of the guide post (3).
  4. 4. A positioning tube picking device for a freezing box according to claim 2, characterized in that the height of the step (61) is 10-15mm higher than the compressed height of the return spring (4).
  5. 5. A positioning tube picking device for a freezing box according to claim 1, characterized in that the top edge of the placement hole (11) is provided with a circumferentially continuous chamfer (112).
  6. 6. The positioning tube picking device for the freezing storage box according to claim 1, wherein a positioning chamfer (113) is formed at one corner of the top of the placement hole (11), and the positioning chamfer (113) corresponds to a box body chamfer (82) on the freezing storage box (8).
  7. 7. A positioning tube picking device for a freezing storage box according to claim 1, characterized in that the diameter of the step part (61) is slightly smaller than the bottom diameter of the freezing storage tube (9).
  8. 8. A positioning tube picking device for a freezing box according to claim 1, characterized in that the extension length of the flange (111) is 2-3mm and the height of the flange (111) is 1-2mm.
  9. 9. The positioning tube picking device for the freezing box according to any one of claims 1 to 8, further comprising a gland (7), wherein the gland (7) is movably hinged to the top of the placement platform (1), so that the gland (7) can be turned over and opened and closed along the hinge, in a closed state, the lower end surface of the gland (7) is attached to the upper end surface of the placement platform (1), the center of a hole of the gland (7) coincides with the center of the placement hole (11), the gland (7) is provided with a gland hole (71), and the cross section size of the gland hole (71) is between the inner edge size and the outer edge size of a raised step (83) of the freezing box (8).
  10. 10. The positioning tube picking device for a freezing box according to claim 9, wherein all components of the positioning tube picking device are made of low-temperature resistant materials.

Description

A pipe device is chosen in location for freezing case Technical Field The utility model belongs to the field of sample storage and taking of biological sample libraries, and particularly relates to a positioning tube picking device for a freezing box. Background The freezing box is usually stored in a liquid nitrogen or liquid nitrogen-like environment, when one or a plurality of freezing pipes are required to be randomly taken out from the freezing box, the freezing box and the freezing box are required to be operated in the liquid nitrogen or liquid nitrogen-like environment, the freezing box and the freezing pipe are ensured to keep a frozen state, storage grids are arranged on the freezing box for improving the space utilization rate, the freezing pipes are tightly arranged in the storage grids, the side wall of the lower end of the freezing pipe is tightly attached to the inner wall of the storage grid in the frozen state, a box body cut angle is often arranged at one corner of the top of the freezing box for keeping the placing sequence of the freezing pipe, a row and column serial number is arranged on the freezing box, but the row and column serial number is sometimes difficult to accurately identify in the frozen state, ultralow temperature protective equipment is often required to be worn when the freezing pipe is taken out, so that the action of operators is limited, and although the bottom of the freezing box is provided with raised steps, the designated target freezing pipe is still inconvenient to select in the freezing box. These factors complicate the process of extracting the freezing tube and present difficulties in extracting the freezing tube. If the freezing storage tube is extracted by using a conventional knocking or clamping means, the freezing storage tube in a frozen state is easily damaged, and meanwhile, the non-target freezing storage tube is easily and erroneously taken out, so that the arrangement sequence of the freezing storage tubes is disturbed. According to the retrieval, the traditional Chinese invention application document with the publication number of CN118543567A discloses a tube picking device and a tube picking method of the tube picking device, wherein the tube picking device comprises a tube picking platform, a tube picking station and a tube placing station are arranged on the tube picking platform at intervals along a first horizontal direction, a source box fixing mechanism is arranged at the tube picking station and used for carrying a source sample box, a target box fixing mechanism is arranged at the tube placing station and used for carrying a target sample box, the tube picking manipulator is arranged to be capable of moving along the first horizontal direction and the vertical direction, the tube picking manipulator is also arranged to be capable of simultaneously clamping a plurality of frozen tubes distributed at intervals along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, and a tube pushing mechanism is arranged below the tube picking station and used for carrying the source sample box, one or more tubes in the same row of storage holes distributed along the second horizontal direction in the source box are arranged to be capable of being ejected out, the frozen tube picking mechanism can be arranged in the same row of storage holes or multiple rows of the same storage holes distributed along the second horizontal direction, the frozen tube picking station can be simultaneously clamped, the frozen tube picking device can not be manufactured by the same device or can not be matched with a conventional device, and the device can not be manufactured by the same device, and the device can not be manufactured by the device, and the device can be matched with the device. Disclosure of utility model In order to solve the problems in the prior art, the utility model aims to provide a positioning tube picking device for a freezing box, which has the characteristics of simple structure, portability in operation and very low manufacturing cost, can design a placement platform according to different freezing boxes, can flexibly and reliably extract the freezing tubes at any positions in the freezing box, can not damage the freezing tubes, and can not influence other freezing tubes in the extraction process. To achieve the above and other related objects, the present utility model adopts the following technical solutions: The utility model provides a positioning tube picking device for a freezing box, which comprises a placing platform, a base and an extracting pin; The placement platform is provided with a placement hole matched with the freezing box and a first mounting hole for being movably connected with the base, the cross section size of the placement hole is slightly larger than the outline of the freezing box, the bottom of the placement hole is provided with a flange which extends alo