Small low-temperature pipe picking equipment

Abstract

The utility model discloses small-sized low-temperature pipe picking equipment which comprises a storage operation cabin, a plurality of groups of sample plate frames can be stored in the storage operation cabin, a movable pipe picking mechanism is further arranged in the storage operation cabin, and the movable pipe picking mechanism can carry out pipe picking on samples in the sample plate frames in the storage operation cabin. The storage device has the advantages that freezing storage can be conducted on multiple sets of sample plate frames through the storage operation cabin, sample pipes in the sample plate frames can be picked through the movable pipe picking mechanism, the movable pipe picking mechanism can work through the operation control device, the positions and storage conditions of the sample pipes in the sample plates can be accurately displayed, and the storage device is convenient to use and high in practicability. The device can be suitable for small-scale tube picking, and can keep a sample tube in a low-temperature state all the time in the tube picking process, so that manual tube clamping and picking are avoided, the activity of a cryopreservation tube is ensured, and the tube picking efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of biological samples, in particular to a small-scale low-temperature pipette picking device. Background Art

[0002] In the prior art, in some places such as medical research institutes and laboratories that require small-scale pipette picking experiments, only manual pipette picking can be used. When the pipette picking experiment needs to be carried out for a slightly longer time, it is easy to make the cryotube in a non-cryopreservation state, damaging the biological sample; for example, a pipette picking device with the application number 201910890920.8 can carry out pipette picking work, but the device is large in volume, cannot be conveniently transported, and is not suitable for small-scale places.

[0003] Therefore, a small-scale pipette picking device that can be applied to a desktop is needed, which is suitable for small-scale pipette picking and can ensure a constant low temperature during the pipette picking process. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] In view of the problems existing in the above or prior art, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a small-scale low-temperature pipette picking device, which can be applied to small-scale pipette picking, can maintain a constant temperature during the pipette picking process, ensure that the activity of the sample is not damaged, and can be conveniently moved.

[0007] To solve the above technical problems, the utility model provides the following technical solution: a small-scale low-temperature pipette picking device, which includes a storage operation cabin. Multiple groups of sample plate racks can be stored in the storage operation cabin. A mobile pipette picking mechanism is also arranged in the storage operation cabin, and the mobile pipette picking mechanism can pick the samples in the sample plate racks in the storage operation cabin.

[0008] As a preferred scheme of the small-scale low-temperature pipette picking device of the utility model, wherein: an operation control device is also arranged on the storage operation cabin, and the operation control device can control the mobile pipette picking mechanism and display the position of the sample tube.

[0009] As a preferred scheme of the small-scale low-temperature pipette picking device of the utility model, wherein: the mobile pipette picking mechanism includes a sliding component and a lifting and sucking component. The lifting and sucking component is arranged on the sliding component. The sliding component can drive the lifting and sucking component to move, and the lifting and sucking component can suck and transfer the sample tube.

[0010] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the following components are included: a sliding assembly comprising a driving member, a driven member, and a sliding member; the driving member is connected to the driven member, the sliding member is disposed on the driven member, a lifting and sucking assembly is provided on the sliding member, the driving member can drive the driven member to rotate, and the driven member can drive the sliding member to move.

[0011] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the sliding member includes a sliding support plate, and the driven member is threadedly engaged with the sliding support plate.

[0012] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the driven member is a lead screw, a sliding support plate is provided on the lead screw, and the lead screw can drive the sliding support plate to translate.

[0013] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the lifting and sucking assembly includes a lifting member and a sucking member. The lifting member is disposed on the sliding support plate, the sucking member is provided on the lifting member, and the lifting member can drive the sucking member to lift.

[0014] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the lifting member includes a rotary driving member, a rotary rod, a rotary rod driven member, and a lifting telescopic member. The rotary rod is disposed in the storage operation chamber, the rotary driving member can drive the rotary rod, the rotary rod is connected to the rotary rod driven member, and the rotary rod driven member is disposed on the sliding support plate. The lifting telescopic member is provided on the rotary rod, and the lower end of the lifting telescopic member is connected to the sucking member.

[0015] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the lifting telescopic member includes a first connecting rod and a third connecting rod. One end of the first connecting rod is connected to the rotary rod, one end of the third connecting rod is connected to the other end of the first connecting rod, and the other end of the third connecting rod is connected to the sucking member.

[0016] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, a sliding limit groove is formed on the rotary rod, and the first connecting rod and the rotary rod driven member can slide horizontally along the sliding limit groove.

[0017] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the sucking member includes a sucking head, and the sucking head can suck the cryotubes in the sample plate rack.

[0018] As a preferred embodiment of the small-scale low-temperature pipette device of the present utility model, the storage operation chamber includes a covering cover and a liquid nitrogen tank. The covering cover is disposed on the upper end of the liquid nitrogen tank, an accommodation chamber is formed inside the covering cover and the liquid nitrogen tank, a moving pipetting mechanism is disposed in the accommodation chamber, and the liquid nitrogen tank can store frozen bodies and sample plate racks inside.

[0019] Advantages of the present utility model: The present utility model can perform cryogenic storage on multiple sets of sample plate racks through the storage operation chamber, pick sample tubes in the sample plate racks through the mobile tube picking mechanism, and move the tube picking mechanism to work through the operation control device. Moreover, it can accurately display the positions and storage conditions of the internal sample tubes. This device is applicable to small-scale tube picking, and during the tube picking process, the sample tubes can always be kept at a low temperature state, avoiding manual clamping and picking of tubes, ensuring the viability of the cryopreservation tubes, and improving the tube picking efficiency. Brief Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0021] Figure 1 It is a schematic diagram of the overall small-scale low-temperature tube picking device.

[0022] Figure 2 It is a right view of the small-scale low-temperature tube picking device.

[0023] Figure 3 It is Figure 2 A cross-sectional view taken along the A-A line of the medium and small-scale low-temperature tube picking device.

[0024] Figure 4 It is a schematic diagram of the mobile tube picking mechanism of the small-scale low-temperature tube picking device.

[0025] Figure 5 It is Figure 4 An enlarged view of the F3 position of the medium and small-scale low-temperature tube picking device.

[0026] Figure 6 It is Figure 3 An enlarged view of the F2 position of the medium and small-scale low-temperature tube picking device.

[0027] Figure 7 It is a front view of the small-scale low-temperature tube picking device.

[0028] Figure 8 It is Figure 7 A schematic view of the B-B line of the medium and small-scale low-temperature tube picking device.

[0029] Figure 9 It is Figure 8 An enlarged view of the F4 position of the medium and small-scale low-temperature tube picking device.

[0030] Reference numerals: storage operation cabin, 1; sample plate rack, 9; pipette picking mechanism, 6; operation control device, 3; sliding assembly, 61; lifting and sucking assembly, 63; driving member, 611; driven member, 612; sliding member, 613; sliding support plate, 6131; lead screw, 6121; lifting member, 631; sucking member, 632; rotary driving member, 6311; rotary rod, 6312; rotary rod driven member, 6313; lifting telescopic member, 6314; first connecting rod, 63141; third connecting rod, 63143; sliding limit groove, 6319; sucking head, 6321; covering hood, 11; liquid nitrogen tank, 12; Detailed implementation manners

[0031] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific implementation manners of the present utility model in conjunction with the drawings of the specification.

[0032] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0033] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present utility model. The "in one embodiment" that appears in different places in this specification does not all refer to the same embodiment, nor is it an embodiment that is separate or selectively mutually exclusive with other embodiments.

[0034] Embodiment 1

[0035] Referring to Figures 1 to 4 , this is the first embodiment of the present utility model. This embodiment provides a small-scale low-temperature pipette picking device, which includes a storage operation cabin 1. The storage operation cabin 1 includes a mobile pipette picking mechanism 6, and the internal sample plate rack 9 can be picked through the mobile pipette picking mechanism 6.

[0036] Specifically, the storage operation cabin 1 can store multiple groups of sample plate racks 9. The storage operation cabin 1 is also provided with a mobile pipette picking mechanism 6, and the mobile pipette picking mechanism 6 can pick the samples in the sample plate rack 9 in the storage operation cabin 1.

[0037] In summary, multiple groups of sample plate racks 9 can be stored at low temperature inside the storage operation chamber 1. The moving pipetting mechanism 6 inside the storage operation chamber 1 can pick up the cryotubes on the sample plate racks 9, thus avoiding manual clamping of samples, reducing the pipetting time, ensuring that the pipetting process is always in a low-temperature state, avoiding damage to sample activity, and at the same time facilitating the movement of this device, which can be applied to places for small-scale pipetting experiments.

[0038] Embodiment 2

[0039] Referring to Figures 1 to 9 , this is the second embodiment of the present utility model. In the previous embodiment, the small-scale low-temperature pipetting device includes a storage operation chamber 1, and the storage operation chamber 1 includes a moving pipetting mechanism 6. Through the moving pipetting mechanism 6, the sample plate racks 9 inside can be pipetted.

[0040] Specifically, the storage operation chamber 1 can store multiple groups of sample plate racks 9. A moving pipetting mechanism 6 is also provided inside the storage operation chamber 1, and the moving pipetting mechanism 6 can pipette the samples in the sample plate racks 9 inside the storage operation chamber 1.

[0041] Furthermore, an operation control device 3 is also provided on the storage operation chamber 1. The operation control device 3 can control the moving pipetting mechanism 6 and display the positions of the sample tubes.

[0042] Preferably, the operation control device 3 includes an operation control screen. The state of the sample plate racks 9 inside the operation control screen can be correspondingly displayed on the operation control screen, and the positions of the cryotubes can be displayed, facilitating the moving pipetting mechanism 6 to perform pipetting.

[0043] Preferably, the operation control device 3 can control the entire device, display the operating state of the entire device, and perform data control.

[0044] Furthermore, the moving pipetting mechanism 6 includes a sliding component 61 and a lifting and sucking component 63. The lifting and sucking component 63 is arranged on the sliding component 61. The sliding component 61 can drive the lifting and sucking component 63 to move, and the lifting and sucking component 63 can suck and transfer the sample tubes.

[0045] Preferably, the lifting and sucking component 63 can move horizontally on the sliding component 61 and can suck and pick up the biological samples on the sample plate racks 9.

[0046] Furthermore, the sliding component 61 includes a driving member 611, a driven member 612, and a sliding member 613; the driving member 611 is connected to the driven member 612, the sliding member 613 is arranged on the driven member 612, the lifting and sucking component 63 is arranged on the sliding member 613, the driving member 611 can drive the driven member 612 to rotate, and the driven member 612 can drive the sliding member 613 to move.

[0047] Preferably, the driving member 611 is a driving motor. Of course, it can also be an existing driving device. The driving member 611 is arranged on the storage operation cabin 1. The driving member 611 can drive the driven member 612, and the driving member 611 can drive the driven member 612 to rotate, thereby driving the sliding member 613 to move horizontally.

[0048] Furthermore, the sliding member 613 includes a sliding support plate 6131, and the driven member 612 is threadedly engaged with the sliding support plate 6131.

[0049] Furthermore, the driven member 612 is a lead screw 6121. The sliding support plate 6131 is arranged on the lead screw 6121, and the lead screw 6121 can drive the sliding support plate 6131 to translate.

[0050] Preferably, the driving member 611 can drive the lead screw 6121 to rotate. The driving lead screw 6121 is threadedly engaged with the sliding support plate 6131, whereby the sliding support plate 6131 can be driven to move horizontally.

[0051] Preferably, the rotating rod 6312 is arranged below the driving lead screw 6121. The rotating rod 6312 can horizontally guide the sliding support plate 6131 to prevent the driving lead screw 6121 from shaking during the process of driving the sliding support plate 6131 to move. The two groups of rotating rods 6312 can guide and limit the sliding support plate 6131 to facilitate horizontal movement.

[0052] Furthermore, the lifting and sucking assembly 63 includes a lifting member 631 and a sucking member 632. The lifting member 631 is arranged on the sliding support plate 6131, and the sucking member 632 is arranged on the lifting member 631. The lifting member 631 can drive the sucking member 632 to lift.

[0053] Preferably, when the sliding support plate 6131 moves, it can drive the lifting member 631 and the sucking member 632 to move, and the lifting member 631 can drive the sucking member 632 to move vertically.

[0054] Furthermore, the lifting member 631 includes a rotary driving member 6311, a rotating rod 6312, a rotating rod driven member 6313, and a lifting telescopic member 6314. The rotating rod 6312 is arranged in the storage operation cabin 1. The rotary driving member 6311 can drive the rotating rod 6312. The rotating rod 6312 is connected to the rotating rod driven member 6313, and the rotating rod driven member 6313 is arranged on the sliding support plate 6131. The lifting telescopic member 6314 is arranged on the rotating rod 6312, and the lower end of the lifting telescopic member 6314 is connected to the sucking member 632.

[0055] Preferably, the rotation driving member 6311 can be driven by a motor or other driving means. The rotation driving member 6311 can drive the rotation rod 6312 to rotate, and the rotation rod 6312 can drive the rotation rod follower 6313 to rotate through the sliding limit groove 6319.

[0056] Preferably, the rotation rod follower 6313 is a bearing, the bearing is embedded in the sliding support plate 6131, and the rotation rod 6312 passes through the bearing and can drive the bearing to rotate.

[0057] Further, the lifting and telescoping member 6314 includes a first connecting rod 63141 and a third connecting rod 63143. One end of the first connecting rod 63141 is connected to the rotation rod 6312, one end of the third connecting rod 63143 is connected to the other end of the first connecting rod 63141, and the other end of the third connecting rod 63143 is connected to the suction member 632.

[0058] Further, a sliding limit groove 6319 is formed on the rotation rod 6312, and the first connecting rod 63141 and the rotation rod follower 6313 can slide horizontally along the sliding limit groove 6319.

[0059] Preferably, the sliding limit groove 6319 is horizontally formed to ensure that the rotation rod 6312 can drive the first connecting rod 63141 and the rotation rod follower 6313 to rotate when rotating.

[0060] Preferably, when the rotation rod 6312 rotates, it can drive two groups of first connecting rods 63141 to rotate. The first connecting rod 63141 drives the third connecting rod 63143 to telescopically lift, thereby driving the suction head 6321 to lift.

[0061] Preferably, the lifting and telescoping member 6314 further includes an arc-shaped rod, a fifth connecting rod, and a sixth connecting rod. One end of the arc-shaped rod is connected to the rotation rod follower 6313, the other end of the arc-shaped rod is connected to the fifth connecting rod and the sixth connecting rod. The other end of the fifth connecting rod is connected to the middle joint of the third connecting rod 63143 and the first connecting rod 63141 through a first pin shaft. The sixth connecting rod is connected to the fifth connecting rod and the arc-shaped rod through a second pin shaft, and the other end of the sixth connecting rod is connected to the suction head 6321, which can ensure that the first connecting rod 63141 and the third connecting rod 63143 lift in a predetermined direction. The arc-shaped rod, the fifth connecting rod, and the sixth connecting rod can play a guiding and limiting role for the third connecting rod 63143 and the first connecting rod 63141.

[0062] Preferably, the joint of the third connecting rod 63143 and the first connecting rod 63141 is connected through a first pin shaft, and one end of the fifth connecting rod is also connected to the first pin shaft.

[0063] Further, the suction member 632 includes a suction head 6321, and the suction head 6321 can suck the cryotubes in the sample plate rack 9.

[0064] Further, the storage operation chamber 1 includes a covering cover 11 and a liquid nitrogen tank 12. The covering cover 11 is arranged at the upper end of the liquid nitrogen tank 12. An accommodation chamber is formed inside the covering cover 11 and the liquid nitrogen tank 12. A moving pick-up tube mechanism 6 is arranged in the accommodation chamber. The liquid nitrogen tank 12 can store cryogenic bodies and the sample plate rack 9 inside.

[0065] Preferably, cryogenic bodies can be placed in the liquid nitrogen tank 12. The cryogenic bodies can be liquid nitrogen, which can cryogenically freeze the sample tubes / cryotubes in the sample plate rack 9, thereby ensuring the activity of the samples.

[0066] In summary, the present utility model can freeze and store multiple groups of sample plate racks 9 through the storage operation chamber 1, can pick up the sample tubes in the sample plate rack 9 through the moving pick-up tube mechanism 6, can move the moving pick-up tube mechanism 6 to work through the operation control device 3, and can accurately display the positions and storage conditions of the internal sample tubes. This device can be applied to small-scale pick-up tube operations, and during the pick-up tube process, the sample tubes can always be kept in a low-temperature state, avoiding manual clamping and picking up of tubes, ensuring the activity of the cryotubes, improving the pick-up tube efficiency, and the device is small and convenient for moving and handling.

[0067] Importantly, it should be noted that the structures and arrangements of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible on the premise of substantially not deviating from the novel teachings and advantages of the subject matter described in this application (for example, the sizes, scales, structures, shapes, and proportions of various components, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as integrally formed can be composed of multiple parts or elements, the positions of the elements can be inverted or otherwise changed, and the nature, number, or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures that perform the recited function in this disclosure, and not only structurally equivalent but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangements of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0068] In addition, to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described (i.e., those features that are not relevant to the currently contemplated best mode of carrying out the present utility model or those features that are not relevant to implementing the present utility model).

[0069] It should be understood that, in the development of any actual implementation, in any engineering or design project, a large number of specific implementation decisions may be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without undue experimentation, such development efforts will be routine work of design, manufacture, and production.

[0070] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered by the scope of the claims of the present utility model.

Claims

1. A small low-temperature pipe picking device, characterized in that: The invention comprises a storage operation cabin (1), wherein a plurality of groups of sample plate racks (9) can be stored in the storage operation cabin (1), and a movable tube picking mechanism (6) is also arranged in the storage operation cabin (1), wherein the movable tube picking mechanism (6) can pick tubes of samples in the sample plate rack (9) in the storage operation cabin (1).

2. The small-sized low-temperature pipe picking device according to claim 1, characterized in that: The storage operation cabin (1) is also provided with an operation control device (3), and the operation control device (3) can control the moving tube picking mechanism (6) and display the position of the sample tube.

3. The small-sized low-temperature pipe picking device according to claim 1, characterized in that: The movable tube picking mechanism (6) comprises a sliding component (61) and a lifting and sucking component (63). The lifting and sucking component (63) is arranged on the sliding component (61). The sliding component (61) can drive the lifting and sucking component (63) to move, and the lifting and sucking component (63) can suck and transfer the sample tube.

4. The small low-temperature pipe picking device according to claim 3, characterized in that: The sliding component (61) comprises a driving member (611), a driven member (612), and a sliding member (613); the driving member (611) is connected to the driven member (612), the sliding member (613) is arranged on the driven member (612), a lifting and sucking component (63) is arranged on the sliding member (613), the driving member (611) can drive the driven member (612) to rotate, and the driven member (612) can drive the sliding member (613) to move.

5. The small-sized low-temperature pipe picking device according to claim 4, characterized in that: The sliding member (613) comprises a sliding support plate (6131), and the driven member (612) is threadedly engaged with the sliding support plate (6131).

6. The small-sized low-temperature pipe picking device according to claim 4, characterized in that: The driven member (612) is a lead screw (6121), a sliding support plate (6131) is arranged on the lead screw (6121), and the lead screw (6121) can drive the sliding support plate (6131) to translate.

7. The small low-temperature pipe picking device according to claim 3, characterized in that: The lifting and sucking assembly (63) comprises a lifting member (631) and a sucking member (632). The lifting member (631) is arranged on the sliding support plate (6131), and the sucking member (632) is arranged on the lifting member (631). The lifting member (631) can drive the sucking member (632) to lift and lower.

8. The small low-temperature pipe picking device according to claim 7, characterized in that: The lifting member (631) comprises a rotating driving member (6311), a rotating rod (6312), a rotating rod follower (6313), and a lifting telescopic member (6314); the rotating rod (6312) is arranged in the storage operation compartment (1); the rotating driving member (6311) can drive the rotating rod (6312); the rotating rod (6312) is connected to the rotating rod follower (6313), and the rotating rod follower (6313) is arranged on the sliding support plate (6131); the lifting telescopic member (6314) is arranged on the rotating rod (6312); and the lower end of the lifting telescopic member (6314) is connected to the suction member (632).

9. The small low-temperature pipe lifting device according to claim 8, characterized in that: The lifting and telescopic member (6314) includes a first connecting rod (63141) and a third connecting rod (63143), one end of the first connecting rod (63141) is connected to the rotating rod (6312), one end of the third connecting rod (63143) is connected to the other end of the first connecting rod (63141), and the other end of the third connecting rod (63143) is connected to the suction member (632).

10. The small-sized low-temperature pipe lifting device according to claim 9, characterized in that: The rotating rod (6312) is provided with a sliding limit groove (6319), and the first connecting rod (63141) and the rotating rod follower (6313) can slide horizontally along the sliding limit groove (6319).

11. The small low-temperature pipe picking device according to any one of claims 7 to 10, characterized in that: The suction member (632) includes a suction head (6321), and the suction head (6321) can suck the cryotubes in the sample plate rack (9).

12. The small-sized low-temperature pipe picking device according to claim 1, characterized in that: The storage operation cabin (1) comprises a covering cover (11) and a liquid nitrogen tank (12), wherein the covering cover (11) is arranged at the upper end of the liquid nitrogen tank (12), and a receiving chamber is formed inside the covering cover (11) and the liquid nitrogen tank (12), and a movable tube picking mechanism (6) is arranged inside the receiving chamber, and a frozen body and a sample plate rack (9) can be stored inside the liquid nitrogen tank (12).

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