Electrochemical detection device

Abstract

The utility model discloses an electrochemical detection device, which relates to the technical field of electrochemical detection.The electrochemical detection device comprises a workbench, a second motor is arranged on the lower surface of the workbench, the output end of the second motor penetrates through the outer wall of the workbench and is fixedly connected with a rotating seat, and containing grooves are evenly formed in the outer wall of the rotating seat; through cooperation of the second motor, the rotating seat and the fixing mechanism, the effects of fixing a plurality of containing cups to be detected at the same time and rapidly detecting liquid in the containing cups are achieved, the containing cups are fixed through the fixing mechanism to be more stable, then the second motor drives the rotating seat and the containing cups to rotate, and the detection efficiency is improved. The containing cups sequentially enter the positions below the detection electrode rods, the detection electrode rods conduct RNA detection on liquid in the containing cups, and in the detection process, the containing cups on the rotating base can be continuously taken and placed, so that the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrochemistry detection technical field, concretely is a kind of electrochemistry detection device. BACKGROUND

[0002] When carrying out nucleic acid detection, electrochemistry detection device can be used, and the electrochemistry detection device for nucleic acid detection includes electrochemistry sensor and electrochemistry detector, but based on the emergence of CRISPR electrochemical biosensor, it provides new strategy for the rapid and sensitive detection of nucleic acid biomarker, so that detection is more rapid, but its in the detection process, workbench can usually only place one to be detected holding cup, when the next detection is carried out, different holding cup needs to be replaced, reduce the efficiency of detection, while the electrochemistry detection device of prior art is inconvenient to disassemble and replace the detection electrode rod used for detection, so that it is difficult to maintain or replace when it is damaged.

[0003] Based on this, an electrochemistry detection device is now provided, which can eliminate the drawbacks of existing devices. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an electrochemistry detection device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An electrochemistry detection device includes a workbench, a motor two is arranged on the lower surface of the workbench, the output end of the motor two is fixedly connected with a rotating seat penetrating through the outer wall of the workbench, the outer wall of the rotating seat is uniformly provided with a holding groove, the inner cavity of the rotating seat is provided with a fixing mechanism, the outer wall of the workbench is fixedly connected with a fixing rod, the upper surface of the fixing rod is fixedly connected with a motor one, the output end of the motor one is fixedly connected with a threaded rod penetrating through the outer wall of the fixing rod, the bottom end of the threaded rod is rotatably connected with the inner cavity of the fixing rod, the outer wall of the threaded rod is threadedly connected with a sliding block, the outer wall of the sliding block is slidably connected with the inner cavity of the fixing rod, the outer wall of the sliding block is fixedly connected with a support arm, the inner wall of the support arm away from the fixing rod is fixedly connected with a terminal post, the lower surface of the support arm close to the terminal post is provided with a clamping assembly.

[0007] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0008] Preferably, the fixing mechanism comprises a protective box, the bottom end of the protective box is fixedly connected with the outer wall of the rotating base, the inner cavity of the protective box is fixedly connected with a motor three, the output end of the motor three is fixedly connected with a hexagonal disc penetrating through the outer wall of the rotating base, the outer wall of the hexagonal disc is slidably connected with the inner cavity of the rotating base, the outer wall of the hexagonal disc is overlapped with a pushing rod, the outer wall of the pushing rod close to the outer wall of the containing groove is fixedly connected with an abutting plate, and the outer wall of the abutting plate is slidably connected with the inner wall of the rotating base.

[0009] Preferably, the outer wall of the overlapping part of the pushing rod and the hexagonal disc is uniformly provided with balls, and the balls are slidably connected with the sliding grooves of the hexagonal disc.

[0010] Preferably, the protruding parts of the hexagonal disc are all inverted with the same fillets.

[0011] Preferably, the lower surface of the pushing rod is fixedly connected with a guide block, the outer wall of the guide block is slidably connected with the inner cavity of the rotating base, the inner wall of the guide block is slidably connected with a guide rod, the end of the guide rod is fixedly connected with the inner cavity of the rotating base, the outer wall of the guide rod is sleeved with a spring one, one end of the spring one is fixedly connected with the outer wall of the guide block, and the other end is fixedly connected with the inner cavity of the rotating base.

[0012] Preferably, the clamping assembly comprises a mounting plate, the upper surface of the mounting plate is fixedly connected with the outer wall of the supporting arm and the wire column, the upper surface of the mounting plate is uniformly provided with fixed frames, the inner cavities of the fixed frames are inserted with detection electrode rods, the outer wall of the detection electrode rod is overlapped with elastic cards, the outer wall of the elastic card is fixedly connected with the inner cavity of the fixed frame, the inner wall of the detection electrode rod is inserted with limiting rods, the outer wall of the limiting rod is slidably connected with the inner wall of the fixed frame, the outer wall of the limiting rod is sleeved with a spring two, one end of the spring two is fixedly connected with the outer wall of the fixed frame, and the other end is fixedly connected with the outer wall of the limiting rod.

[0013] Preferably, the top end of the detection electrode rod is provided with an elastic guide piece two, and the outer wall of the elastic guide piece two is overlapped with an elastic guide piece one, and the outer wall of the elastic guide piece one is fixedly connected with the lower surface of the mounting plate.

[0014] Preferably, the wires in the wire column are electrically connected between the elastic guide piece one, the elastic guide piece two and the detection electrode rod.

[0015] Compared with the prior art, the utility model has the advantages of the following:

[0016] 1. The utility model discloses a card joint subassembly, reached the effect that convenient dismounting replacement, through the limit rod of pulling, make the outer wall of limit rod no longer with the inner wall of detection electrode pole and insert, after can take out detection electrode pole, can then replace or maintain it, and in the installation process, under the effect of elastic guide piece no. 1, elastic card and elastic guide piece no. 2, limit detection electrode pole again through limit rod, make detection electrode pole can be closely inserted in the inner chamber of fixed frame, and will not easily fall off.

[0017] 2. The utility model discloses through motor no. 2, rotating seat and fixed mechanism cooperation, reached the effect that can fix multiple cups to be detected simultaneously, and can detect the liquid in the cup quickly, through fixed mechanism to multiple cups, make it more stable, after through motor no. 2 drive rotating seat and cup and rotate, make the cup enter the below of detection electrode pole in turn, and by detection electrode pole to the liquid in the cup and carry out RNA detection, and in the detection process, can take and put the cup on rotating seat constantly, to this accelerate detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model.

[0019] Figure 2 It is the cut structure schematic diagram of the utility model.

[0020] Figure 3 It is the structure schematic diagram of fixed mechanism of the utility model.

[0021] Figure 4 It is the structure schematic diagram of card joint subassembly of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, workstation;11, fixed rod;12, motor no. 1;13, threaded rod;14, sliding block;15, support arm;16, wiring post;17, motor no. 2;18, rotating seat;2, fixed mechanism;21, protection box;22, motor no. 3;23, hexagonal disc;24, push rod;25, abutting plate;26, guide block;27, guide rod;28, spring no. 1;3, card joint subassembly;31, mounting plate;32, fixed frame;33, elastic guide piece no. 1;34, elastic card;35, detection electrode pole;36, limit rod;37, spring no. 2. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following combines the drawings and example, and further detailedly explains the utility model.

[0024] In one embodiment, as Figures 1-4As shown, an electrochemical detection device, including a workbench 1, the lower surface of the workbench 1 is provided with a motor two 17, the output end of the motor two 17 is fixedly connected with a rotating seat 18 penetrating through the outer wall of the workbench 1, the outer wall of the rotating seat 18 is uniformly provided with a containing groove, the inner cavity of the rotating seat 18 is provided with a fixing mechanism 2, the outer wall of the workbench 1 is fixedly connected with a fixed rod 11, the upper surface of the fixed rod 11 is fixedly connected with a motor one 12, the output end of the motor one 12 is fixedly connected with a threaded rod 13 penetrating through the outer wall of the fixed rod 11, the bottom end of the threaded rod 13 is rotatably connected with the inner cavity of the fixed rod 11, the outer wall of the threaded rod 13 is threadedly connected with a sliding block 14, the outer wall of the sliding block 14 is slidably connected with the inner cavity of the fixed rod 11, the outer wall of the sliding block 14 is fixedly connected with a supporting arm 15, the inner wall of the supporting arm 15 away from the fixed rod 11 is fixedly connected with a terminal post 16, the lower surface of the supporting arm 15 close to the terminal post 16 is provided with a clamping assembly 3.

[0025] In this embodiment, the containing cup containing the liquid to be detected can be fixed by the fixing mechanism 2, then the detection electrode rod 35 in the clamping assembly 3 can be deeply inserted into the containing cup by the cooperation of the motor one 12, the threaded rod 13, the sliding block 14, the supporting arm 15, the motor two 17 and the rotating seat 18, so as to complete the RNA detection, and then the clamping assembly 3 can be used to quickly disassemble and replace the detection electrode rod 35.

[0026] In an optional embodiment, as shown in Figure 2 and Figure 3 , the fixing mechanism 2 includes a protection box 21, the bottom end of the protection box 21 is fixedly connected with the outer wall of the rotating seat 18, the inner cavity of the protection box 21 is fixedly connected with a motor three 22, the output end of the motor three 22 is fixedly connected with a hexagonal disc 23 penetrating through the outer wall of the rotating seat 18, the outer wall of the hexagonal disc 23 is slidably connected with the inner cavity of the rotating seat 18, the outer wall of the hexagonal disc 23 is overlapped with a pushing rod 24, the outer wall of the pushing rod 24 close to the containing groove is fixedly connected with an abutting plate 25, the outer wall of the abutting plate 25 is slidably connected with the inner wall of the rotating seat 18, by starting the motor three 22, the hexagonal disc 23 is driven to rotate, the protrusions of the hexagonal disc 23 gradually approach the outer wall of the pushing rod 24, so as to push the pushing rod 24 to move, the pushing rod 24 drives the abutting plate 25 to move synchronously, so that the abutting plate 25 tightly contains the containing cup, thereby fixing the containing cup.

[0027] In an optional embodiment, as shown in Figure 2 and Figure 3 , the outer wall of the overlapping part of the pushing rod 24 and the hexagonal disc 23 is uniformly distributed with balls, and the balls are slidably connected with the sliding grooves of the hexagonal disc 23, by the balls, the hexagonal disc 23 will not generate excessive resistance when pushing the pushing rod 24.

[0028] In an optional embodiment, as shown in Figure 2 andFigure 3 As shown, the protrusions of the hexagonal disc 23 are all chamfered with the same size, and the chamfer design of the protrusions of the hexagonal disc 23 makes it easier to slide when contacting with the outer wall of the push rod 24, and no movement interference is generated.

[0029] In an alternative embodiment, as shown in Figure 2 and Figure 3 The lower surface of the push rod 24 is fixedly connected with a guide block 26, the outer wall of the guide block 26 is in sliding connection with the inner cavity of the rotating seat 18, the inner wall of the guide block 26 is in sliding connection with a guide rod 27, the end of the guide rod 27 is fixedly connected with the inner cavity of the rotating seat 18, and the outer wall of the guide rod 27 is sleeved with a spring 28, one end of the spring 28 is fixedly connected with the outer wall of the guide block 26, and the other end is fixedly connected with the inner cavity of the rotating seat 18. When the clamping and fixing of the containing cup are cancelled, the guide block 26 is driven to slide on the outer wall of the guide rod 27 under the elastic force of the spring 28, the guide block 26 drives the push rod 24 and the clamping plate 25 to move synchronously, so that the push rod 24 is restored to the original position.

[0030] In an alternative embodiment, as shown in Figure 2 and Figure 4 The clamping assembly 3 includes a mounting plate 31, the upper surface of the mounting plate 31 is fixedly connected with the outer wall of the support arm 15 and the terminal post 16, the upper surface of the mounting plate 31 is uniformly distributed with a fixed frame 32, the inner cavity of the fixed frame 32 is inserted with a detection electrode rod 35, the outer wall of the detection electrode rod 35 is overlapped with an elastic card 34, the outer wall of the elastic card 34 is fixedly connected with the inner cavity of the fixed frame 32, the inner wall of the detection electrode rod 35 is inserted with a limiting rod 36, the outer wall of the limiting rod 36 is in sliding connection with the inner wall of the fixed frame 32, the outer wall of the limiting rod 36 is sleeved with a spring 37, one end of the spring 37 is fixedly connected with the outer wall of the fixed frame 32, and the other end is fixedly connected with the outer wall of the limiting rod 36. By pulling the limiting rod 36, the spring 37 is stretched, so that the outer wall of the limiting rod 36 is no longer inserted with the inner wall of the detection electrode rod 35, and then the detection electrode rod 35 can be taken out, and then it can be replaced or maintained. In the installation process, under the action of the elastic guide piece 33, the elastic card 34 and the elastic guide piece 2, the detection electrode rod 35 can be tightly inserted into the inner cavity of the fixed frame 32, and then the detection electrode rod 35 is limited by the limiting rod 36, so that it can be firmly connected in the inner cavity of the fixed frame 32.

[0031] In an alternative embodiment, as shown in Figure 2 and Figure 4As shown, the top end of the detection electrode rod 35 is provided with a second elastic guide sheet, and the outer wall of the second elastic guide sheet is overlapped with the first elastic guide sheet 33, the outer wall of the first elastic guide sheet 33 is fixedly connected with the lower surface of the mounting plate 31, and through the cooperation between the first elastic guide sheet 33 and the second elastic guide sheet, the detection electrode rod 35 can be electrically connected with the wire in the terminal post 16.

[0032] In an optional embodiment, as shown in Figure 2 and Figure 4 the wire in the terminal post 16 is electrically connected with the first elastic guide sheet 33, the second elastic guide sheet and the detection electrode rod 35, so that when electrochemical detection is performed, the terminal post 16 is electrified, and the detection work can be started.

[0033] The above embodiment discloses an electrochemical detection device, wherein when RNA detection is performed, the holding cup containing the liquid to be detected is placed in the holding groove, then the motor three 22 is started to drive the hexagonal disc 23 to rotate, so that the protrusions of the hexagonal disc 23 gradually approach the outer wall of the push rod 24, thereby moving the push rod 24, the push rod 24 drives the abutting plate 25 to move synchronously, so that the abutting plate 25 abuts against the holding cup, thereby fixing the holding cup, and during the movement of the push rod 24, the push rod 24 drives the guide block 26 to slide on the outer wall of the guide rod 27, so that the spring one 28 is contracted, so that when the fixation of the holding cup is cancelled subsequently, the push rod 24 can return to the original position, after the holding cup is placed, the motor two 17 is started to drive the rotating seat 18 to rotate, so that the rotating seat 18 drives the holding cup containing the liquid to be detected to rotate synchronously, when it rotates below the detection electrode rod 35, the motor two 17 can be turned off, then the motor one 12 is started to drive the threaded rod 13 to rotate, so that the sliding block 14 slides on the outer wall of the threaded rod 13, thereby driving the support arm 15 and the terminal post 16 to move synchronously, so that the detection electrode rod 35 enters the holding cup, thereby the liquid in the holding cup is detected by the detection electrode rod 35, and subsequently, when the detection electrode rod 35 needs to be replaced, the limiting rod 36 is pulled to stretch the spring two 37, so that the outer wall of the limiting rod 36 is no longer inserted with the inner wall of the detection electrode rod 35, then the detection electrode rod 35 can be taken out, and then it can be replaced or maintained, in summary, through the fixing mechanism 2, the holding cup containing the liquid to be detected can be fixed, then through the cooperation of the motor one 12, the threaded rod 13, the sliding block 14, the support arm 15, the motor two 17 and the rotating seat 18, the detection electrode rod 35 in the clamping assembly 3 can be deeply inserted into the holding cup, thereby completing the RNA detection, and subsequently through the clamping assembly 3, the detection electrode rod 35 can be quickly disassembled, so as to facilitate the replacement.

[0034] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An electrochemical detection device, comprising a workbench (1), the lower surface of the workbench (1) is provided with a motor two (17), the output end of the motor two (17) is fixedly connected with a rotating seat (18) penetrating through the outer wall of the workbench (1), the outer wall of the rotating seat (18) is uniformly provided with a containing groove, characterized in that, The inner cavity of the rotating seat (18) is provided with a fixing mechanism (2), the outer wall of the workbench (1) is fixedly connected with a fixing rod (11), the upper surface of the fixing rod (11) is fixedly connected with a motor one (12), the output end of the motor one (12) is fixedly connected with a threaded rod (13) penetrating through the outer wall of the fixing rod (11), the bottom end of the threaded rod (13) is rotatably connected with the inner cavity of the fixing rod (11), the outer wall of the threaded rod (13) is threadedly connected with a sliding block (14), the outer wall of the sliding block (14) is slidably connected with the inner cavity of the fixing rod (11), the outer wall of the sliding block (14) is fixedly connected with a supporting arm (15), the inner wall of the supporting arm (15) away from the fixing rod (11) is fixedly connected with a terminal post (16), and the lower surface of the supporting arm (15) close to the terminal post (16) is provided with a clamping assembly (3).

2. The electrochemical detection device of claim 1, wherein, The fixing mechanism (2) comprises a protection box (21), the bottom end of the protection box (21) is fixedly connected with the outer wall of the rotating seat (18), the inner cavity of the protection box (21) is fixedly connected with a motor three (22), the output end of the motor three (22) is fixedly connected with a hexagonal disc (23) penetrating through the outer wall of the rotating seat (18), the outer wall of the hexagonal disc (23) is slidably connected with the inner cavity of the rotating seat (18), and the outer wall of the hexagonal disc (23) is overlapped with a pushing rod (24). The outer wall of the pushing rod (24) close to the outer wall of the containing groove is fixedly connected with an abutting plate (25), and the outer wall of the abutting plate (25) is slidably connected with the inner wall of the rotating seat (18).

3. An electrochemical detection device according to claim 2, wherein, The outer wall of the overlapping place of the pushing rod (24) and the hexagonal disc (23) is uniformly distributed with balls, and the balls are slidably connected with the sliding grooves of the hexagonal disc (23).

4. The electrochemical detection device of claim 2, wherein, The protruding parts of the hexagonal disc (23) are all inverted with the same size of fillets.

5. The electrochemical detection device of claim 2, wherein the at least one electrode is a working electrode. The lower surface of the pushing rod (24) is fixedly connected with a guide block (26), the outer wall of the guide block (26) is slidably connected with the inner cavity of the rotating seat (18), the inner wall of the guide block (26) is slidably connected with a guide rod (27), the end of the guide rod (27) is fixedly connected with the inner cavity of the rotating seat (18), the outer wall of the guide rod (27) is sleeved with a spring one (28), one end of the spring one (28) is fixedly connected with the outer wall of the guide block (26), and the other end is fixedly connected with the inner cavity of the rotating seat (18).

6. The electrochemical detection device of claim 1, wherein, The card joint assembly (3) comprises a mounting plate (31), the upper surface of the mounting plate (31) is fixedly connected with the outer wall of the supporting arm (15) and the terminal post (16), the upper surface of the mounting plate (31) is uniformly distributed with a fixed frame (32), the inner cavity of the fixed frame (32) is inserted with a detection electrode rod (35), the outer wall of the detection electrode rod (35) is overlapped with an elastic card (34), the outer wall of the elastic card (34) is fixedly connected with the inner cavity of the fixed frame (32), the inner wall of the detection electrode rod (35) is inserted with a limiting rod (36), the outer wall of the limiting rod (36) is slidingly connected with the inner wall of the fixed frame (32), the outer wall of the limiting rod (36) is sleeved with a spring two (37), one end of the spring two (37) is fixedly connected with the outer wall of the fixed frame (32), and the other end is fixedly connected with the outer wall of the limiting rod (36).

7. An electrochemical detection device according to claim 6, wherein, The top end of the detection electrode rod (35) is provided with an elastic guide piece two, and the outer wall of the elastic guide piece two is overlapped with an elastic guide piece one (33), and the outer wall of the elastic guide piece one (33) is fixedly connected with the lower surface of the mounting plate (31).

8. The electrochemical detection device of claim 6, wherein, The electric wire in the terminal post (16) is electrically connected between the elastic guide piece one (33), the elastic guide piece two and the detection electrode rod (35).

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