Specimen tube transfer device

Abstract

The utility model relates to the technical field of low-temperature preservation, in particular to a specimen tube transfer device, and aims to solve the problems that specimen tubes and samples are easily interfered by external temperature fluctuation and the activity of the samples is influenced due to a fully-open storage and taking process when the specimens are put in and put out of a warehouse or arranged in the prior art. The transfer device comprises a storage cabinet, a taking and placing mechanism and a refrigerating element. A containing cavity in the storage cabinet is used for cold storage of the specimen tubes, the refrigeration element is used for refrigeration, and the taking and placing mechanism is used for clamping the specimen tubes into the containing cavity. According to the transfer device, by means of the taking and placing mechanism arranged in the closed transfer trolley, closed warehouse-in and warehouse-out taking and placing of the specimen tubes are achieved, the time that the specimen tubes are exposed in the external environment is shortened, and the risk that samples are inactivated due to external temperature fluctuation is reduced. The problem that sample activity is affected due to the fact that sample tubes and samples are easily interfered by external temperature fluctuation in the fully-open storing and taking process of an existing sample tube transfer trolley is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature preservation, in particular to a specimen tube transport device. Background Art

[0002] Cryopreservation technology slows down the biochemical reactions in organisms by lowering the temperature to a range of 77K to 193K (-196℃ to -80℃), allowing biological specimens to be preserved for a long time. Currently, the specimen transport vehicles used for storing and sorting cryopreservation specimen tubes are mostly open structures. The fully open storage and retrieval process causes the specimen tubes to be exposed to the external environment for a long time, which is easily affected by external temperature fluctuations and affects the activity of the samples.

[0003] The existing specimen tube transport vehicle has the problem that the specimen tube samples are easily disturbed by external temperature fluctuations due to the fully open storage and retrieval process, which affects the activity of the samples. Utility Model Content

[0004] The utility model aims to provide a specimen tube transport device to solve the problem in the related art that specimens in the specimen tubes are easily disturbed by external temperature fluctuations and thus affect the activity of the specimens due to the fully open access process when the specimens are put in and out of the warehouse or sorted.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] The specimen tube transport device provided by the utility model comprises:

[0007] Storage cabinet and pick-and-place mechanism. The storage cabinet is provided with a storage cavity and an opening. The storage cavity is a refrigeration environment for cold storage of specimen tubes. The opening is connected to the storage cavity. The pick-and-place mechanism includes a bracket and a connecting rod. The bracket is provided with a claw, and the claw is used to clamp the specimen tube. One end of the connecting rod is hinged to the storage cabinet, and the other end is hinged to the bracket. The two parallel connecting rods, the bracket and the storage cabinet form a parallel four-bar linkage mechanism. The connecting rod swings to drive the bracket to enter and exit the storage cavity through the opening.

[0008] Specifically, the storage cabinet comprises a cabinet body and rollers. One end of each connecting rod is hinged to the cabinet body, and the other end is hinged to the card frame. The rollers roll on the ground.

[0009] Preferably, the pick-and-place mechanism further comprises at least one auxiliary rod parallel to the connecting rod, and one end of the auxiliary rod is hinged to the cabinet body, and the other end is hinged to the bracket.

[0010] Specifically, the pick-and-place mechanism further includes a rotating shaft and a knob. The rotating shaft is rotatably mounted on the cabinet and connected to the connecting rod, and the axis of the rotating shaft coincides with the hinge axis of the connecting rod and the cabinet. The knob is connected to the rotating shaft and is used to drive the rotating shaft to rotate around its own axis to make the connecting rod swing.

[0011] Specifically, a plurality of the clamping claws are arranged along the length direction of the clamping frame, and the clamping claws are configured as elastic members.

[0012] Specifically, the transfer device further comprises a refrigeration element, which is installed on the cabinet. The storage cabinet further comprises a protective cover, which and the cabinet form the accommodating cavity.

[0013] Specifically, the protective cover comprises a shell and a sealing cover. The opening is arranged on the shell, and the sealing cover is used to open and close the opening.

[0014] Specifically, the shell is made of a transparent material, and an interface is provided on the shell. The protective cover also includes gloves, which are connected to the interface and are used to operate the specimen tube inside the cabinet.

[0015] Preferably, the shell is configured as a double-layer hollow structure, and the hollow structure is used for heat insulation.

[0016] Specifically, the transfer device is provided with a plurality of the pick-and-place mechanisms, and the lengths of the connecting rods of the pick-and-place mechanisms are not equal.

[0017] Based on the above technical solutions, the beneficial effects of the present invention are analyzed as follows:

[0018] The utility model provides a specimen tube transport device, comprising:

[0019] Storage cabinet and access mechanism. The storage cabinet is provided with a storage cavity and an opening, the storage cavity is used to cold store specimen tubes, and the opening is connected to the storage cavity. The access mechanism includes a bracket and a connecting rod, the bracket is provided with a claw, and the claw is used to clamp the specimen tube. One end of the connecting rod is hinged to the storage cabinet, and the other end is hinged to the bracket. The two parallel connecting rods, the bracket and the storage cabinet form a parallel four-bar linkage mechanism. The connecting rod swings to drive the bracket to enter and exit the storage cavity through the opening.

[0020] In specific application, at the starting low-temperature storage warehouse, the storage cabinet is moved so that the opening is facing the specimen tube, the connecting rod is swung to drive the card rack to extend out of the storage cabinet to clamp the specimen tube outside the opening, and the connecting rod is swung again to put the specimen tube into the storage cabinet for refrigerated storage. After the entire transfer device is transported to the target low-temperature storage warehouse, the opening is directed to the specimen storage position of the target low-temperature storage warehouse, and the connecting rod is swung to drive the specimen tube on the card rack to extend out of the storage cabinet and put into the target low-temperature storage warehouse to complete the transportation.

[0021] It can be seen that compared with the existing technology, the transfer device realizes the closed storage and placement of specimen tubes through the placement mechanism set in the closed transfer vehicle, reduces the time of specimen tubes being exposed to the external environment, and reduces the risk of samples being inactivated due to external temperature fluctuations. It overcomes the problem of existing specimen tube transfer vehicles that specimen tube samples are easily disturbed by external temperature fluctuations due to the fully open storage and retrieval process, affecting the activity of the samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 The overall structure of the specimen tube transport device provided by the embodiment of the utility model is schematically shown. Figure 1 ;

[0024] Figure 2 Schematic diagram of the overall structure of the specimen tube transport device after removing the sealing cover Figure 2 ;

[0025] Figure 3 It is a schematic diagram of the cutaway structure of the specimen tube transport device;

[0026] Figure 4 for Figure 3 Schematic diagram of the cross-section structure of the pick-and-place mechanism

[0027] Figure 5 for Figure 4 A partial enlarged view of the specimen.

[0028] icon:

[0029] 001, specimen tube;

[0030] 100, storage cabinet; 101, accommodating chamber; 110, cabinet body; 120, roller; 130, protective cover; 131, housing; 103, opening; 103, interface; 132, sealing cover; 133, gloves;

[0031] 200, pick-and-place mechanism; 210, bracket; 211, claw; 220, connecting rod; 230, rotating shaft; 240, knob;

[0032] 300. Refrigeration elements. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0035] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0036] The existing specimen tube transport vehicle has the problem that the specimen tube samples are easily disturbed by external temperature fluctuations due to the fully open storage and retrieval process, which affects the activity of the samples.

[0037] In view of this, the utility model provides a specimen tube transport device, comprising:

[0038] Storage cabinet 100 and pick-and-place mechanism 200. Storage cabinet 100 is provided with a storage chamber 101 and an opening 102. The storage chamber 101 is in a refrigeration environment for cold storage of specimen tubes 001. The opening 102 is connected to the storage chamber 101. The pick-and-place mechanism 200 includes a bracket 210 and a connecting rod 220. The bracket 210 is provided with a claw 211. The claw 211 is used to clamp the specimen tube 001. One end of the connecting rod 220 is hinged to the storage cabinet 100, and the other end is hinged to the bracket 210. Two parallel connecting rods 220, the bracket 210 and the storage cabinet 100 form a parallel four-bar linkage mechanism. The connecting rod 220 swings to drive the bracket 210 to enter and exit the storage chamber 101 through the opening 102.

[0039] Based on the above technical solutions, the specimen tube transport device provided by the utility model can achieve the following technical effects:

[0040] The transport device realizes closed storage and placement of specimen tubes through a pick-and-place mechanism set in a closed transport vehicle, reduces the time the specimen tubes are exposed to the external environment, and reduces the risk of sample inactivation due to external temperature fluctuations. It overcomes the problem of existing specimen tube transport vehicles that specimen tube samples are easily disturbed by external temperature fluctuations due to the fully open storage and retrieval process, affecting the activity of the samples.

[0041] The following combination Figures 1 to 5 The structure and shape of the specimen tube transport device provided in this embodiment are described in detail:

[0042] In the solution of this embodiment, Figure 3 As shown, the transfer device also includes a refrigeration element 300, and the storage cabinet 100 includes a cabinet 110, a roller 120 and a protective cover 130. The protective cover 130 is installed on the cabinet 110, and the cabinet 110 and the protective cover 130 form a receiving chamber 101 separated from the external environment. The refrigeration element 300 is installed on the cabinet 110 to provide a stable refrigeration environment for the specimen tube 001 in the receiving chamber 101, reducing the risk of the specimen tube 001 bursting due to temperature difference thermal stress, and avoiding the risk of personal injury and sample loss caused by the specimen tube 001 bursting. Among them, the roller 120 is configured as a universal wheel with a lock, which is easy to move and fix. The refrigeration element 300 can be configured to use liquid nitrogen refrigeration or reverse Stirling cycle refrigeration and other methods for refrigeration.

[0043] Regarding the structural composition of the protective cover 130, specifically:

[0044] like Figure 1 and Figure 2 As shown, the protective cover 130 includes a housing 131, a sealing cover 132 and a glove 133. The housing 131 is provided with an opening 102 and an interface 103. The sealing cover 132 is movably connected to the housing 131 for opening and closing the opening 102. The sealing cover 132 can be configured as a sliding cover or a flip cover, etc., and accordingly, the connection mode between the sealing cover 132 and the housing 131 is configured as a sliding connection or a hinge, etc.

[0045] The shell 131 is made of a transparent material, and the glove 133 is connected to the interface 103, so that the specimen tube 001 inside the cabinet 110 can be observed and operated from the outside. A sealing ring is also provided between the interface 103 and the glove 133 to maintain the sealing of the shell 131. Among them, the transparent material can be acrylic, polycarbonate, polyester, organic glass, etc.;

[0046] In the preferred embodiment of this embodiment, Figure 3As shown, the shell 131 is configured as a double-layer hollow structure, and the hollow structure is used for heat insulation and heat preservation, which makes it easier to control the internal refrigeration temperature and also prevents fogging or frost on the surface of the shell 131 to interfere with the internal visibility, ensuring that personnel can clearly identify the label on the specimen tube 001.

[0047] Regarding how the pick-up and placement mechanism 200 realizes the transportation of the specimen tube 001, specifically:

[0048] The pick-and-place mechanism 200 includes a card frame 210 and a connecting rod 220. Figure 5 As shown, multiple claws 211 are arranged along the length direction of the bracket 210. The claws 211 are configured as hollow elastic members to clamp the specimen tube 001 and prevent the specimen tube 001 from breaking due to excessive clamping force. The claws 211 are configured as hollow rings to further enhance the flexibility of the claws 211. The elastic material of the claws 211 can be selected from silicone rubber, polytetrafluoroethylene, etc. Figure 3 As shown, one end of the connecting rod 220 is hinged to the cabinet 110, and the other end is hinged to the card holder 210. The two sides of the card holder 210 are respectively hinged to a connecting rod 220, and the two connecting rods 220, the card holder 210 and the cabinet 110 form a parallel four-bar linkage, so that the card holder 210 is always parallel to the cabinet 110 to prevent the specimen tube 001 from flipping when the card holder 210 is moved. The connecting rod 220 swings to drive the card holder 210 to enter and exit the accommodating chamber 101 through the opening 102.

[0049] Furthermore, in the solution of this embodiment, the pick-and-place mechanism 200 further includes at least one auxiliary rod. The auxiliary rods are all identical and parallel to the connecting rod 220. One end of the auxiliary rod is hinged to the cabinet 110, and the other end is hinged to the bracket 210, and can swing with the swing of the connecting rod 220, so as to enhance the stability of the bracket 210.

[0050] Regarding how the pick-and-place mechanism 200 is controlled, specifically:

[0051] like Figure 4 As shown, the pick-and-place mechanism 200 further includes a rotating shaft 230 and a knob 240. The rotating shaft 230 is rotatably mounted on the cabinet 110 and connected to the connecting rod 220, and the axis of the rotating shaft 230 coincides with the hinge axis of the connecting rod 220 and the cabinet 110. The knob 240 is connected to the rotating shaft 230 and is used to drive the rotating shaft 230 to rotate around its own axis so that the connecting rod 220 swings.

[0052] In the solution of this embodiment, Figure 3 As shown, a plurality of pick-and-place mechanisms 200 are provided, and the lengths of the connecting rods 220 of the pick-and-place mechanisms 200 are not equal so that the swinging tracks of the card racks 210 of the pick-and-place mechanisms 200 converge at the pick-and-place position outside the opening 102 .

[0053] Each pick-and-place mechanism 200 is also provided with a limit position so that the swing angle of each connecting rod 220 is limited between the pick-and-place position outside the opening 102 and the accommodating cavity 101 .

[0054] In summary, the specific working process of the specimen tube transport device provided in this embodiment is as follows:

[0055] In the initial low-temperature storage, the roller 120 is moved to direct the opening 102 toward the specimen tube 001, the sealing cover 132 is slid to open the opening 102, the knob 240 is turned to drive the rotating shaft 230 to rotate so that the connecting rod 220 swings, thereby driving the bracket 210 to extend out of the receiving cavity 101 through the opening 102 so that the claw 211 clamps the specimen tube 001, the knob 240 is turned in the opposite direction to make the connecting rod 220 swing to put the specimen tube 001 into the receiving cavity 101 through the opening 102 for storage, the refrigeration element 300 refrigerates the specimen tube 001 in the receiving cavity 101, and the sealing cover 132 is slid to close the opening 102. The gloves 133 can be used to operate the specimen tube 001 in the storage cabinet 100 in a closed state.

[0056] After the entire transfer device is transported to the target low-temperature storage warehouse, the opening 102 is directed toward the specimen storage position of the target low-temperature storage warehouse by the roller 120, the sealing cover 132 is slid to open the opening 102, and the knob 240 is turned to drive the rotating shaft 230 to rotate so that the connecting rod 220 swings, thereby driving the specimen tube 001 on the card rack 210 to extend out of the accommodating cavity 101 through the opening 102 and put into the target low-temperature storage warehouse, the card rack 210 is retracted and the opening 102 is closed to complete the transportation of the specimen tube 001.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A specimen tube transport device, characterized in that: include: A storage cabinet (100) and a pick-and-place mechanism (200); The storage cabinet (100) is provided with a accommodating chamber (101) and an opening (102); the accommodating chamber (101) is a refrigeration environment for cold storage of specimen tubes (001); and the opening (102) is in communication with the accommodating chamber (101); The pick-and-place mechanism (200) comprises a card frame (210) and a connecting rod (220); The clamping frame (210) is provided with a clamping claw (211), and the clamping claw (211) is used to clamp the specimen tube (001); One end of the connecting rod (220) is hinged to the storage cabinet (100), and the other end is hinged to the card frame (210); The two parallel connecting rods (220), the card frame (210) and the storage cabinet (100) form a parallel four-bar linkage mechanism; The connecting rod (220) swings to drive the card holder (210) to enter and exit the accommodating chamber (101) through the opening (102).

2. The specimen tube transport device according to claim 1, characterized in that: The storage cabinet (100) comprises a cabinet body (110) and a roller (120); One end of each connecting rod (220) is hinged to the cabinet (110), and the other end is hinged to the bracket (210); The roller (120) rolls on the ground.

3. The specimen tube transport device according to claim 2, characterized in that: The pick-and-place mechanism (200) further comprises at least one auxiliary rod parallel to the connecting rod (220); One end of the auxiliary rod is hinged to the cabinet (110), and the other end is hinged to the bracket (210).

4. The specimen tube transport device according to claim 2, characterized in that: The pick-and-place mechanism (200) further comprises a rotating shaft (230) and a knob (240); The rotating shaft (230) is rotatably mounted on the cabinet (110) and connected to the connecting rod (220); The axis of the rotating shaft (230) coincides with the hinge axis of the connecting rod (220) and the cabinet (110); The knob (240) is connected to the rotating shaft (230) and is used to drive the rotating shaft (230) to rotate around its own axis so as to cause the connecting rod (220) to swing.

5. The specimen tube transport device according to claim 1, characterized in that: A plurality of the clamping claws (211) are arranged along the length direction of the clamping frame (210), and the clamping claws (211) are configured as elastic members.

6. The specimen tube transport device according to claim 2, characterized in that: It also includes a refrigeration element (300), wherein the refrigeration element (300) is installed on the cabinet (110); The storage cabinet (100) further comprises a protective cover (130), wherein the protective cover (130) and the cabinet body (110) enclose the accommodating cavity (101).

7. The specimen tube transport device according to claim 6, characterized in that: The protective cover (130) comprises a shell (131) and a sealing cover (132); The opening (102) is provided on the housing (131), and the sealing cover (132) is used to open and close the opening (102).

8. The specimen tube transport device according to claim 7, characterized in that: The housing (131) is made of a transparent material and is provided with an interface (103); The protective cover (130) further includes gloves (133); The glove (133) is connected to the interface (103) and is used to operate the specimen tube (001) inside the cabinet (110).

9. The specimen tube transport device according to claim 8, characterized in that: The shell (131) is configured as a double-layer hollow structure, and the hollow structure is used for heat insulation.

10. The specimen tube transport device according to claim 1, characterized in that: A plurality of the pick-and-place mechanisms (200) are provided, and the lengths of the connecting rods (220) of the pick-and-place mechanisms (200) are all unequal.

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