A cell cryotube storage device

Abstract

The utility model provides a cell cryopreservation tube storage device, including storage frame and the multiple cryopreservation unit tubes of placing in storage frame, the cryopreservation unit tube includes cryopreservation tube body, cryopreservation tube cover, sealing rubber cover and memory alloy ring, the cryopreservation tube cover bottom is provided with the connecting protrusion, the connecting protrusion surface is provided with outer thread, the top opening of cryopreservation tube body is provided with the inner thread of adapting with outer thread, the first sealing of cryopreservation tube body is realized to the screwing of cryopreservation tube cover on cryopreservation tube body, after sealing rubber cover is covered on cryopreservation tube body, again, memory alloy ring is covered and is established on sealing rubber cover, after cryopreservation unit tube enters liquid nitrogen environment, the phase change contraction of memory alloy ring occurs, and the radial sealing force is provided to cooperation sealing rubber cover, realizes the second sealing to cryopreservation tube body, greatly reduced the possibility of liquid nitrogen penetration into cryopreservation tube body, is fit for large -scale popularization and use.

Claims

1. A cell cryotube storage device, characterized by, Includes storage racks and multiple cryogenic unit tubes placed within the storage racks; The cryopreservation unit tube includes a cryopreservation tube body, a cryopreservation tube cap, a sealing rubber sleeve, and a shape memory alloy ring; The bottom of the cryopreservation tube cap is provided with a connecting protrusion, and the surface of the connecting protrusion is provided with external threads; The top opening of the cryopreservation tube is provided with an internal thread that matches the external thread; The sealing rubber sleeve is fixedly installed at the bottom of the cryopreservation tube cap. When the cryopreservation tube cap is threaded onto the cryopreservation tube body, the sealing rubber sleeve is fitted onto the surface of the cryopreservation tube body. The shape memory alloy ring is fitted onto the sealing rubber sleeve.

2. A cell cryotube storage device according to claim 1, wherein, The gap between the shape memory alloy ring and the cryopreservation tube body is 0.3 mm, and the sealing rubber sleeve is disposed in the gap between the shape memory alloy ring and the cryopreservation tube body.

3. The cell cryotube storage device of claim 1, wherein, The shape memory alloy ring is made of NiTiNb alloy.

4. The cell cryotube storage device of claim 1, wherein, The sealing rubber sleeve is made of fluororubber.

5. The cell cryotube storage device of claim 1, wherein, The storage rack includes a base, a support rod, and a limiting plate; The base surface is provided with a storage slot adapted to the cryopreservation unit tube, and the support rod is provided at each of the four corners of the base surface. The support rod is provided with a limit protrusion; The limiting plate has a through hole corresponding to the support rod. The limiting plate passes through the support rod and is positioned directly above the base and above the limiting protrusion. The limiting plate also has a storage hole that matches the cryopreservation unit tube.

6. A cell cryotube storage device according to claim 5, wherein, The limiting plate has outwardly protruding handles on both sides.

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