Stem cell cryopreservation tube

Abstract

The utility model relates to the technical field of stem cell storage, in particular to a stem cell cryopreservation tube which comprises a tube body, a sealing cover, a liquid nitrogen mechanism and a sealing component, the sealing component comprises an air ring, a fixing base, a rotary knob, a transmission assembly, a rotating component, a driving structure and an extrusion arm, and the sealing cover and the liquid nitrogen mechanism are arranged at one end of the tube body respectively. The air ring, the knob, the transmission assembly, the rotating component and the driving structure are arranged on the sealing cover, the fixing base is fixedly connected with the air ring, the transmission assembly is fixedly connected with the knob, the rotating component is rotationally connected with the transmission assembly, and the driving structure is fixedly connected with the knob component. And the other end of the extrusion arm is fixedly connected with the sealing cover, so that the problem that part of air enters the pipe body of the cold storage pipe due to the fact that the pipe body of the cold storage pipe cannot be well sealed when the pipe body of the cold storage pipe is sealed only by the sealing cover is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stem cell storage technical field especially relates to a stem cell cryopreservation tube. BACKGROUND

[0002] The currently used cryopreservation tube is a hollow thin-walled tube body, and when frozen, the temperature penetrates from the outer wall to the inside of the cryopreservation tube. The stem cells in the cryopreservation tube are frozen from the outside to the inside, and the temperature changes unevenly. Moreover, the bottom end of the cryopreservation tube is relatively flat, and when the stem cells in the cryopreservation tube are extracted, some stem cells will be left in the cryopreservation tube. Therefore, it does not meet the current needs.

[0003] To solve the above problems, the prior art CN219612893U discloses a stem cell cryopreservation tube, which comprises a sealing cover, a cryopreservation tube body arranged below the sealing cover, a sealing ring arranged between the top end of the cryopreservation tube body and the bottom end of the sealing cover, and a conical groove recessed upward arranged at the bottom end of the cryopreservation tube body, so that a conical protrusion exists inside the bottom end of the cryopreservation tube body. The utility model discloses a conical groove recessed upward arranged at the bottom end of the cryopreservation tube body, so that the bottom end of the cryopreservation tube body is conical. At the same time, the hollow ring is connected to the inner wall of the upward protruding bottom end of the cryopreservation tube body through the connecting pipe. When the cryopreservation tube body is in a liquid nitrogen environment, the liquid nitrogen can enter the connecting hollow ring through the communication hole and the connecting pipe. The connecting hollow ring is arranged at the middle of the stem cells stored in the cryopreservation tube body, so that the stem cells can be frozen simultaneously from the outside and the inside, and the temperature change of the inside and the outside of the stem cells is uniform when frozen.

[0004] However, in the above-mentioned prior art, only the sealing cover is used to seal the cryopreservation tube body, which cannot seal the cryopreservation tube body well, resulting in some air entering the cryopreservation tube body. SUMMARY

[0005] The utility model discloses a stem cell cryopreservation tube, which solves the technical problem that only the sealing cover is used to seal the cryopreservation tube body in the prior art, which cannot seal the cryopreservation tube body well, resulting in some air entering the cryopreservation tube body.

[0006] In order to achieve the above object, the utility model discloses a kind of stem cell cryopreservation tubes, including pipe body, sealing cover, liquid nitrogen mechanism and sealing member, the sealing member includes gas ring, fixed seat, knob, transmission assembly, rotating part, drive structure and extrusion arm, the sealing cover and the liquid nitrogen mechanism are respectively arranged in one end of the pipe body, the gas ring the knob the transmission assembly the rotating part and the drive structure are respectively arranged on the sealing cover, the fixed seat is fixedly connected with the gas ring, and located in one end of the gas ring, the transmission assembly is fixedly connected with the knob, and located in one end of the knob, the rotating part is rotatably connected with the transmission assembly, and located in one end of the transmission assembly, the drive structure is fixedly connected with the knob part, and located in one end of the rotating part, one end of the extrusion arm is slidably connected with the drive structure, and located in one end of the drive structure, the other end of the extrusion arm is fixedly connected with the sealing cover, and located in the inside of the sealing cover.

[0007] Wherein, the transmission assembly includes transmission rod and worm, the worm is fixedly connected with the transmission rod, and located in one end of the transmission rod.

[0008] Wherein, the rotating part includes worm wheel and connecting rod, one end of the connecting rod is rotatably connected with the worm wheel, and located in one end of the worm wheel, the other end of the connecting rod is fixedly connected with the sealing cover, and located in one end of the sealing cover.

[0009] Wherein, the drive structure includes drive rod and screw rod, the drive rod is fixedly connected with the worm wheel, and located in one end of the worm wheel, the screw rod is fixedly connected with the drive rod, and located in one end of the drive rod.

[0010] Wherein, the extrusion arm includes arm body, sliding seat and pressing plate, one end of the sliding seat is slidably connected with the arm body, and located in one end of the arm body, the other end of the sliding seat is slidably connected with the screw rod, and located in one end of the screw rod, the pressing plate is fixedly connected with the sliding seat, and located in one end of the sliding seat.

[0011] The utility model discloses a stem cell cryopreservation tube, gas ring, knob, transmission assembly, rotating part and drive structure are arranged on the sealing cover respectively, the fixed seat is fixedly connected with gas ring, and is located one end of gas ring, transmission assembly is fixedly connected with knob, and is located one end of knob, rotating part is rotatably connected with transmission assembly, and is located one end of transmission assembly, drive structure is fixedly connected with knob part, and is located one end of rotating part, one end of extruding arm is slidably connected with drive structure, and is located one end of drive structure, the other end of extruding arm is fixedly connected with sealing cover, and is located inside sealing cover, when sealing cover covers on the pipe body, gas ring and the pipe orifice of pipe body contact then, rotate knob, and knob drives transmission assembly to rotate, and transmission assembly drives rotating part to rotate, and rotating part drives drive structure to rotate, and drive structure drives one end of extruding arm to move downwards, until one end of extruding arm extrudes gas ring, so that gas ring fills the gap of sealing cover completely, and this method can effectively solve the problem that when only relying on sealing cover to seal cryopreservation tube pipe body, can not well seal cryopreservation tube pipe body, leads to and has the problem that part of air enters cryopreservation tube pipe body. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0013] Figure 1 It is a stem cell cryopreservation tube structure schematic view of the utility model.

[0014] Figure 2 It is a stem cell cryopreservation tube side view of the utility model.

[0015] Figure 3 It is the structure section view of A-A line of the utility model's Figure 2 .

[0016] Figure 4 It is the structure enlarged view of B of the utility model's Figure 3 .

[0017] 101-tube body, 102-sealing cover, 103-liquid nitrogen mechanism, 104-gas ring, 105-fixing seat, 106-knob, 107-transmission rod, 108-worm, 109-worm gear, 110-connecting rod, 111-driving rod, 112-screw rod, 113-arm body, 114-sliding seat, 115-pressing plate. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] Please refer to Figures 1-4 , wherein Figure 1 is a structure schematic view of a stem cell cryopreservation tube of the present application, Figure 2 is a side view of a stem cell cryopreservation tube of the present application, Figure 3 is a structure sectional view of A-A line of Figure 2 of the present application, Figure 4 is a structure enlarged view of B of Figure 3 of the present application.

[0020] The present application provides a stem cell cryopreservation tube, comprising a tube body 101, a sealing cover 102, a liquid nitrogen mechanism 103, a gas ring 104, a fixing seat 105, a knob 106, a transmission rod 107, a worm 108, a worm gear 109, a connecting rod 110, a driving rod 111, a screw rod 112, an arm body 113, a sliding seat 114 and a pressing plate 115, the foregoing scheme solves the problem that when only relying on the sealing cover 102 to seal the cold storage tube body, the cold storage tube body cannot be well sealed, resulting in that part of the air enters the cold storage tube body.

[0021] For this specific embodiment, the sealing cover 102 and the liquid nitrogen mechanism 103 are arranged at one end of the pipe body 101, the air ring 104, the knob 106, the transmission assembly, the rotating part and the driving structure are arranged on the sealing cover 102, the fixed seat 105 is fixedly connected with the air ring 104 and located at one end of the air ring 104, the transmission assembly is fixedly connected with the knob 106 and located at one end of the knob 106, the rotating part is rotationally connected with the transmission assembly and located at one end of the transmission assembly, the driving structure is fixedly connected with the knob 106 part and located at one end of the rotating part, one end of the extrusion arm is slidingly connected with the driving structure and located at one end of the driving structure, the other end of the extrusion arm is fixedly connected with the sealing cover 102 and located inside the sealing cover 102, the liquid nitrogen mechanism 103 is provided by the prior art, when the sealing cover 102 covers the pipe body 101, at this time the air ring 104 contacts the pipe opening of the pipe body 101, then the knob 106 is rotated, the knob 106 drives the transmission assembly to rotate, the transmission assembly drives the rotating part to rotate, the rotating part drives the driving structure to rotate, the driving structure drives one end of the extrusion arm to move downward, until one end of the extrusion arm extrudes the air ring 104, so that the air ring 104 fills the gap of the sealing cover 102, thereby solving the problem that when only relying on the sealing cover 102 to seal the cold storage pipe body, the cold storage pipe body cannot be well sealed, resulting in that part of the air enters the cold storage pipe body.

[0022] The transmission assembly includes a transmission rod 107 and a worm 108, the worm 108 is fixedly connected with the transmission rod 107 and located at one end of the transmission rod 107, and the transmission rod 107 drives the worm 108 to rotate.

[0023] Secondly, the rotating part includes a worm wheel 109 and a connecting rod 110, one end of the connecting rod 110 is rotationally connected with the worm wheel 109 and located at one end of the worm wheel 109, the other end of the connecting rod 110 is fixedly connected with the sealing cover 102 and located at one end of the sealing cover 102, and the worm 108 drives the worm wheel 109 to rotate on the connecting rod 110.

[0024] Meanwhile, the driving structure includes a driving rod 111 and a lead screw 112, the driving rod 111 is fixedly connected with the worm wheel 109 and located at one end of the worm wheel 109, the lead screw 112 is fixedly connected with the driving rod 111 and located at one end of the driving rod 111, and the worm wheel 109 drives the lead screw 112 to rotate through the driving rod 111.

[0025] In addition, the pressing arm comprises an arm body 113, a sliding seat 114 and a pressing plate 115, one end of the sliding seat 114 is slidably connected with the arm body 113 and located at one end of the arm body 113, the other end of the sliding seat 114 is slidably connected with the lead screw 112 and located at one end of the lead screw 112, the pressing plate 115 is fixedly connected with the sliding seat 114 and located at one end of the sliding seat 114, the lead screw 112 drives the sliding seat 114 to move on the arm body 113, and the sliding seat 114 drives the pressing plate 115 to move.

[0026] By using the stem cell cryopreservation tube of the embodiment, when the sealing cover 102 covers the tube body 101, the air ring 104 is in contact with the tube opening of the tube body 101, and then the knob 106 is rotated, the knob 106 drives the worm 108 to rotate through the transmission rod 107, the worm 108 drives the worm wheel 109 to rotate on the connecting rod 110, the worm wheel 109 drives the lead screw 112 to rotate through the driving rod 111, the lead screw 112 drives the sliding seat 114 to move on the arm body 113, and the sliding seat 114 drives the pressing plate 115 to move, until the pressing plate 115 extrudes the air ring 104 and the tube body 101, so that the air ring 104 fills the gap between the sealing cover 102 and the tube body 101, thereby solving the problem that the cold storage tube body cannot be well sealed when only relying on the sealing cover 102 to seal the cold storage tube body, and air enters the cold storage tube body.

[0027] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope of the utility model.

Claims

1. A stem cell cryopreservation tube, comprising a tube body, a sealing cap, and a liquid nitrogen mechanism, wherein the sealing cap and the liquid nitrogen mechanism are respectively disposed at one end of the tube body, characterized in that, It also includes sealing components, The sealing component includes an air ring, a fixed base, a knob, a transmission assembly, a rotating component, a drive structure, and a pressing arm. The air ring, the knob, the transmission assembly, the rotating component, and the drive structure are respectively disposed on the sealing cover. The fixed base is fixedly connected to the air ring and located at one end of the air ring. The transmission assembly is fixedly connected to the knob and located at one end of the knob. The rotating component is rotatably connected to the transmission assembly and located at one end of the transmission assembly. The drive structure is fixedly connected to the knob component and located at one end of the rotating component. One end of the pressing arm is slidably connected to the drive structure and located at one end of the drive structure. The other end of the pressing arm is fixedly connected to the sealing cover and located inside the sealing cover.

2. The stem cell cryopreservation tube as described in claim 1, characterized in that, The transmission assembly includes a transmission rod and a worm gear, the worm gear being fixedly connected to the transmission rod and located at one end of the transmission rod.

3. The stem cell cryopreservation tube as described in claim 2, characterized in that, The rotating component includes a worm gear and a connecting rod. One end of the connecting rod is rotatably connected to the worm gear and is located at one end of the worm gear. The other end of the connecting rod is fixedly connected to the sealing cover and is located at one end of the sealing cover.

4. The stem cell cryopreservation tube as described in claim 3, characterized in that, The drive structure includes a drive rod and a lead screw. The drive rod is fixedly connected to the worm gear and is located at one end of the worm gear. The lead screw is fixedly connected to the drive rod and is located at one end of the drive rod.

5. The stem cell cryopreservation tube as described in claim 4, characterized in that, The extrusion arm includes an arm body, a slide block, and a pressure plate. One end of the slide block is slidably connected to the arm body and located at one end of the arm body. The other end of the slide block is slidably connected to the lead screw and located at one end of the lead screw. The pressure plate is fixedly connected to the slide block and located at one end of the slide block.

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