Auxiliary opening and closing device for screw cap of cell cryopreservation tube and use method thereof

Abstract

The present invention discloses an auxiliary opening and closing device for a screw cap of a cell cryopreservation tube, comprising a fixed plate, a tube rack, an electric drill main unit, a gas spring and a rotating head. The tube rack is placed on the fixed plate, a vertical connecting column is arranged on the fixed plate, one end of a first connecting rod is rotatably connected to the connecting column, a rotating shaft is arranged on the top of the other end of the first connecting rod, a first connecting plate is fixedly connected to the rotating shaft, the electric drill main unit is fixedly connected to the second connecting plate, the bottom end of the second connecting plate is connected to the bottom end of the first connecting plate through the second connecting rod, one end of the gas spring is hinged to the first connecting plate, and the other end is hinged to the third connecting rod, and the rotating head is fixedly arranged on the output shaft of the electric drill main unit. Method of use: by adjusting the position of the electric drill main unit, the rotating head is covered on the screw cap to be screwed, and then the electric drill main unit is turned on, and the screw cap is driven to rotate by the rotating head. The present invention can replace the manual contact screwing operation, greatly reduces the risk of contamination by exogenous factors, and improves the opening and closing efficiency of the screw cap.

Description

Technical Field

[0001] The invention relates to the technical field of experimental equipment, and in particular to an auxiliary opening and closing device for a screw cover of a cell freezing tube and a use method thereof. Background Art

[0002] Stem cells are usually stored in cryopreservation tubes, which are currently sealed with inner and outer screw caps. Currently, the opening and closing of the caps of cryopreservation tubes is achieved by manual twisting, which has the risk of cross contamination and is inefficient, especially when batches of cryopreservation tubes need to be opened and closed. Summary of the invention

[0003] The purpose of the present invention is to provide an auxiliary opening and closing device for a screw cap of a cell cryopreservation tube and a method of using the same, so as to solve the problems existing in the above-mentioned prior art and improve the opening and closing efficiency of the screw cap of the cell cryopreservation tube.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides an auxiliary opening and closing device for a screw cap of a cell cryopreservation tube, comprising a fixed plate, a tube rack, an electric drill mainframe, a gas spring and a rotating head, wherein the tube rack is placed on the fixed plate, and a plurality of placement slots for inserting cell cryopreservation tubes are arranged on the tube rack, and a vertical connecting column is arranged on the fixed plate, and one end of a first connecting rod is rotatably connected to the connecting column, and the first connecting rod can rotate with the central axis of the connecting column as the axis, and a rotating shaft is arranged on the top of the other end of the first connecting rod, and a first connecting plate is fixedly connected to the rotating shaft, and the electric drill mainframe is fixedly connected to a second connecting plate, and the bottom end of the second connecting plate is connected to the first connecting plate through the second connecting rod. The bottom end of the connecting plate is connected, the top end of the second connecting plate is connected to the top end of the first connecting plate through the third connecting rod, the second connecting plate and the first connecting plate are respectively hinged to the second connecting rod, the second connecting plate and the first connecting plate are respectively hinged to the third connecting rod, one end of the gas spring is hinged to the first connecting plate, and the other end is hinged to the third connecting rod, and the hinge point of the gas spring and the first connecting plate is lower than the hinge point of the gas spring and the third connecting rod, the rotating head is fixed on the output shaft of the electric drill host, and the electric drill host can drive the screw cap of the cell freezing tube to rotate through the rotating head.

[0006] Preferably, the first connecting rod is rotatably engaged with the connecting column via a bearing.

[0007] Preferably, two clamping blocks are fixedly provided on the fixing plate, the pipe rack is arranged between the two clamping blocks, the two clamping blocks are respectively provided with clamping grooves corresponding to the pipe rack, and the side edges of the pipe rack are slidably matched with the clamping grooves.

[0008] Preferably, the placement slots on the pipe rack are distributed in a rectangular array.

[0009] Preferably, the first connecting plate and the second connecting plate are both vertical.

[0010] Preferably, a fixing ring is fixedly provided on the second connecting plate, the fixing ring is sleeved on the electric drill main body, and the fixing ring tightens the electric drill main body.

[0011] Preferably, one end of the gas spring connected to the third connecting rod is close to the second connecting plate.

[0012] The present invention also provides a method for using the auxiliary opening and closing device of the screw cap of the cell cryopreservation tube: by pulling the electric drill main body so that the rotating head on the output shaft of the electric drill main body is located directly above the screw cap to be screwed, then pressing the electric drill main body so that the rotating head is covered on the screw cap to be screwed, and then turning on the electric drill main body, and driving the screw cap to be screwed to rotate through the rotating head, thereby realizing the auxiliary opening and closing of the screw cap of the cell cryopreservation tube.

[0013] Preferably, in the process of driving the electric drill mainframe to rotate the screw cap to be screwed via the rotary head, the operator holds the body of the cell cryopreservation tube by hand to fix the body of the cell cryopreservation tube.

[0014] Compared with the prior art, the present invention has achieved the following technical effects:

[0015] The auxiliary opening and closing device of the screw cap of the cell cryopreservation tube of the present invention and the use method thereof can replace the manual contact and screwing operation, greatly reducing the risk of contamination by exogenous factors, is easy to use, improves the opening and closing efficiency of the screw cap of the cell cryopreservation tube, and avoids the risk of cross contamination caused by manual opening and closing of the cryopreservation tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the auxiliary opening and closing device of the screw cap of the cell cryopreservation tube of the present invention;

[0018] Figure 2 It is a partial structural schematic diagram of the auxiliary opening and closing device of the screw cap of the cell cryopreservation tube of the present invention;

[0019] Among them: 100, auxiliary opening and closing device of the screw cap of the cell freezing tube; 1, fixed plate; 2, block; 3, tube rack; 301, placement slot; 4, cell freezing tube; 5, screw cap; 6, connecting column; 7, first connecting rod; 8, rotating shaft; 9, first connecting plate; 10, second connecting plate; 11, second connecting rod; 12, third connecting rod; 13, gas spring; 14, electric drill host; 15, fixed ring; 16, output shaft; 17, rotating head. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The purpose of the present invention is to provide an auxiliary opening and closing device for a screw cap of a cell cryopreservation tube and a method of using the same, so as to solve the problems existing in the above-mentioned prior art and improve the opening and closing efficiency of the screw cap of the cell cryopreservation tube.

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1 to Figure 2 As shown: This embodiment provides an auxiliary opening and closing device 100 for the screw cap of a cell freezing tube, including a fixed plate 1, a tube rack 3, an electric drill host 14, a gas spring 13 and a rotating head 17. The tube rack 3 is placed on the fixed plate 1, and a plurality of placement slots 301 for inserting cell freezing tubes 4 are provided on the tube rack 3. A vertical connecting column 6 is provided on the fixed plate 1. The left end of the first connecting rod 7 is rotatably matched with the connecting column 6 through a bearing. The first connecting rod 7 can rotate around the central axis of the connecting column 6, and a rotating shaft 8 is provided on the top of the right end of the first connecting rod 7.

[0024] The rotating shaft 8 is fixedly connected with a first connecting plate 9 , and the electric drill main body 14 is fixedly connected with a second connecting plate 10 . Specifically, a fixing ring 15 is fixedly provided on the second connecting plate 10 , and the fixing ring 15 is sleeved on the electric drill main body 14 , and the fixing ring 15 tightens the electric drill main body 14 .

[0025] The first connecting plate 9 and the second connecting plate 10 are both vertical. The bottom end of the second connecting plate 10 is connected to the bottom end of the first connecting plate 9 through the second connecting rod 11, and the top end of the second connecting plate 10 is connected to the top end of the first connecting plate 9 through the third connecting rod 12. The second connecting plate 10 and the first connecting plate 9 are respectively hinged to the second connecting rod 11, and the second connecting plate 10 and the first connecting plate 9 are respectively hinged to the third connecting rod 12. The first connecting plate 9, the second connecting plate 10, the second connecting rod 11 and the third connecting rod 12 form a parallelogram movable frame, through which the height of the electric drill host 14 can be adjusted.

[0026] Specifically, one end of the gas spring 13 is hinged to the bottom of the first connecting plate 9, and the other end is hinged to the third connecting rod 12. The end of the gas spring 13 connected to the third connecting rod 12 is close to the second connecting plate 10; and the hinge point of the gas spring 13 and the first connecting plate 9 is lower than the hinge point of the gas spring 13 and the third connecting rod 12. When there is no external force, under the elastic force of the gas spring 13, the position of the second connecting plate 10 is significantly higher than that of the first connecting plate 9, and the electric drill mainframe 14 is also kept at a higher position with the second connecting plate 10. If you want to lower the height of the electric drill mainframe 14, you only need to press the electric drill mainframe 14 hard. When pressing the electric drill mainframe 14, the gas spring 13 is compressed, and the hinge points of the movable frame rotate at the same time.

[0027] The rotating head 17 is fixed on the output shaft 16 of the electric drill host 14. The electric drill host 14 can drive the screw cap 5 of the cell cryopreservation tube 4 to rotate through the rotating head 17. The electric drill host 14 is provided with a forward switch and a reverse switch. Since the spiral direction of the screw thread of the screw cap 5 is often fixed, the forward switch and the reverse switch on the electric drill host 14 are equivalent to the rising switch and the falling switch of the screw cap 5. By pressing the corresponding switch, the screw cap 5 can be driven to make corresponding movements relative to the body of the cell cryopreservation tube 4.

[0028] The placement slots 301 on the tube rack 3 are distributed in a rectangular array, and multiple cell cryopreservation tubes 4 can be placed in batches on one tube rack 3 at one time. Two clamping blocks 2 are also fixed on the fixed plate 1, and the tube rack 3 is arranged between the two clamping blocks 2. The two clamping blocks 2 are respectively provided with clamping slots corresponding to the tube rack 3, and the sides of the tube rack 3 slide with the clamping slots. By pulling out the tube clamp, the tube rack 3 can slide relative to the clamping block 2 and the fixed plate 1. The function of the clamping block 2 is, on the one hand, to serve as a sliding track for the tube rack 3, which is convenient for use, and on the other hand, it can also limit the tube rack 3 to prevent the tube rack 3 from violently moving relative to the fixed plate 1 due to accidental contact or other reasons.

[0029] The present embodiment also provides a method for using the auxiliary opening and closing device 100 of the screw cap of the cell cryopreservation tube: by pulling the electric drill main body 14, the rotating head 17 on the output shaft 16 of the electric drill main body 14 is located directly above the screw cap 5 to be screwed, and then the electric drill main body 14 is pressed so that the rotating head 17 is sleeved on the screw cap 5 to be screwed, and then the electric drill main body 14 is turned on, and the screw cap 5 to be screwed is driven to rotate by the rotating head 17, thereby realizing the auxiliary opening and closing of the screw cap 5 of the cell cryopreservation tube 4.

[0030] When the electric drill main unit 14 drives the screw cap 5 to be screwed to rotate through the rotating head 17, the operator holds the body of the cell freezing tube 4 by hand to fix the body of the cell freezing tube 4 to avoid the situation that the body of the cell freezing tube 4 rotates with the screw cap 5.

[0031] In the description of the present invention, it should be noted that the terms "top", "bottom", "left", "right", "vertical", "horizontal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc., are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] The present specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An auxiliary opening and closing device for a screw cap of a cell cryopreservation tube, characterized in that: It includes a fixed plate, a tube rack, an electric drill host, a gas spring and a rotating head, the tube rack is placed on the fixed plate, the tube rack is provided with a plurality of placement slots for inserting cell cryopreservation tubes, a vertical connecting column is provided on the fixed plate, one end of a first connecting rod is rotatably connected to the connecting column, the first connecting rod can rotate around the central axis of the connecting column, a rotating shaft is provided on the top of the other end of the first connecting rod, a first connecting plate is fixedly connected to the rotating shaft, the electric drill host is fixedly connected to the second connecting plate, the bottom end of the second connecting plate is connected to the bottom end of the first connecting plate through a second connecting rod, and the first connecting rod is connected to the bottom end of the first connecting plate. The top end of the second connecting plate is connected to the top end of the first connecting plate through the third connecting rod, the second connecting plate and the first connecting plate are respectively hinged to the second connecting rod, the second connecting plate and the first connecting plate are respectively hinged to the third connecting rod, one end of the gas spring is hinged to the first connecting plate, and the other end is hinged to the third connecting rod, and the hinge point of the gas spring and the first connecting plate is lower than the hinge point of the gas spring and the third connecting rod, the rotating head is fixed on the output shaft of the electric drill host, and the electric drill host can drive the screw cap of the cell freezing tube to rotate through the rotating head.

2. The auxiliary opening and closing device for the screw cap of a cell cryopreservation tube according to claim 1, characterized in that: The first connecting rod is rotatably matched with the connecting column through a bearing.

3. The auxiliary opening and closing device for the screw cap of a cell cryopreservation tube according to claim 1, characterized in that: The fixing plate is also fixed with two clamping blocks, the pipe rack is arranged between the two clamping blocks, the two clamping blocks are respectively provided with clamping grooves corresponding to the pipe rack, and the side edges of the pipe rack are slidably matched with the clamping grooves.

4. The auxiliary opening and closing device for the screw cap of a cell cryopreservation tube according to claim 1, characterized in that: The placement slots on the pipe rack are distributed in a rectangular array.

5. The auxiliary opening and closing device for the screw cap of a cell cryopreservation tube according to claim 1, characterized in that: The first connecting plate and the second connecting plate are both vertical.

6. The auxiliary opening and closing device for the screw cap of a cell cryopreservation tube according to claim 5, characterized in that: A fixing ring is fixedly arranged on the second connecting plate, and the fixing ring is sleeved on the electric drill main body, and the fixing ring tightens the electric drill main body.

7. The auxiliary opening and closing device for the screw cap of a cell cryopreservation tube according to claim 1, characterized in that: One end of the gas spring connected to the third connecting rod is close to the second connecting plate.

8. A method for using the auxiliary opening and closing device of the screw cap of a cell cryopreservation tube according to any one of claims 1 to 7, characterized in that: By pulling the electric drill main body, the rotating head on the output shaft of the electric drill main body is located directly above the screw cap to be screwed, and then pressing the electric drill main body so that the rotating head is covered on the screw cap to be screwed, and then turning on the electric drill main body, the screw cap to be screwed is driven to rotate by the rotating head, thereby realizing the auxiliary opening and closing of the screw cap of the cell cryopreservation tube.

9. The method for using the auxiliary opening and closing device of the screw cap of a cell cryopreservation tube according to claim 8, characterized in that: In the process of driving the electric drill mainframe to rotate the screw cap to be screwed through the rotating head, the operator holds the body of the cell cryopreservation tube by hand to keep the body of the cell cryopreservation tube stationary.

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