Laboratory electronic pipettor

Abstract

The utility model discloses a laboratory electronic pipettor which comprises a liquid storage tank, a liquid suction pipe is mounted in the middle of the bottom of the liquid storage tank, a fixing plate is mounted at the top of the liquid suction pipe, and a plurality of fingerstalls are fixedly connected to the right side of the liquid storage tank; the cleaning device comprises a fixing plate, an adjusting mechanism, a cleaning mechanism, a rotating column and a piston head, the adjusting mechanism is mounted in the middle of the upper surface of the fixing plate, the cleaning mechanism is mounted at the bottom of the adjusting mechanism, the rotating column is rotatably mounted at the bottom of the cleaning mechanism, and the piston head is fixedly connected to the bottom of the rotating column. And a sleeve rod synchronously drives a first bevel gear to rotate, so that a second bevel gear drives a cleaning plate on a connecting rod to rotate, the cleaning plate cleans the inner wall of the liquid storage tank, the cleaning plate does not need to be detached for cleaning, and the cleaning convenience of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of electronic pipette technology, and in particular to a laboratory electronic pipette. Background Technology

[0002] Electronic pipettes, also known as pipettes, are measuring tools used to transfer liquids from one container to another within a certain volume range. They are widely used in fields such as biology and chemistry.

[0003] A laboratory electronic pipette with announcement number CN218359316U includes an electronic pipette body. Rotary shafts are rotatably connected to both sides of the electronic pipette body, and a U-shaped bracket is fixed to the outer side of both shafts. A groove is provided on one side wall of the electronic pipette body to facilitate the concealment of the U-shaped bracket. This laboratory electronic pipette, unlike existing technologies, utilizes a locking block, a slider, a spring, and a push block to position the U-shaped bracket, which is rotated and stored in the groove. This effectively facilitates handheld use of the electronic pipette body. Furthermore, an automatic spring-loaded mechanism allows the locking block to be manually pushed down to remove obstruction at the groove. Subsequently, the U-shaped bracket automatically springs open under the reverse action of the spring, allowing the electronic pipette body to be inverted on a laboratory table when not in use.

[0004] However, after use, it is difficult to clean the inner wall of the liquid storage tank of the above-mentioned device. It is necessary to disassemble the internal components before the liquid storage tank can be cleaned. The convenience of cleaning during use is limited. Therefore, it is necessary to improve the laboratory electronic pipette to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to improve a laboratory electronic pipette to overcome the aforementioned shortcomings of the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a laboratory electronic pipette, comprising: a liquid storage tank, a suction tube installed in the middle of the bottom of the liquid storage tank, a fixing plate installed on the top of the suction tube, and several finger sleeves fixedly connected to the right side of the liquid storage tank;

[0007] An adjustment mechanism is installed in the middle of the upper surface of the fixed plate, and a cleaning mechanism is installed at the bottom of the adjustment mechanism. A rotating column is rotatably installed at the bottom of the cleaning mechanism, and a piston head is fixedly connected to the bottom of the rotating column.

[0008] As a further description of the above technical solution: the adjustment mechanism includes a motor mounted on a fixed plate, the power output end of the motor is connected to a fixed rod, the motor passes through the fixed plate, a sleeve rod is movably sleeved on the outer surface of the fixed rod, threaded rods are rotatably installed on the left and right sides of the fixed plate, threaded sleeves are sleeved on the outer surface of the threaded rods, and a synchronous belt is movably installed on the upper outer surface of the fixed rod and the threaded rod.

[0009] As a further description of the above technical solution: the threaded sleeve has a threaded hole that matches the threaded rod.

[0010] As a further description of the above technical solution: the cleaning mechanism includes a fixed plate fixedly connected to the bottom of the threaded sleeve, a protective sleeve installed at the bottom of the fixed plate, and a sleeve rod fixedly connected to the bottom of the inner cavity of the protective sleeve. The fixed plate has a through-hole adapted to the sleeve rod. A first bevel gear is fixedly connected to the bottom of the sleeve rod. Second bevel gears mesh with the left and right sides of the first bevel gear. A connecting rod is fixedly connected to the side of the second bevel gear that is far apart from each other. The protective sleeve has an installation groove adapted to the connecting rod. A cleaning plate is fixedly connected to the side of the connecting rod that is far apart from each other.

[0011] As a further description of the above technical solution: the upper end of the protective sleeve is fixedly connected to an annular slider, and the fixed plate has a sliding groove adapted to the annular slider. The protective sleeve and the fixed plate form a sliding connection mechanism.

[0012] As a further description of the above technical solution: the cleaning plate is set in an arc shape, and the cleaning plate and the piston head are in contact with the inner wall of the liquid storage tank.

[0013] This invention improves a laboratory electronic pipette. It has the following beneficial effects:

[0014] 1. Equipped with an adjustment mechanism and a cleaning mechanism, when cleaning is required, the motor drives the fixed rod to rotate, and the synchronous belt drives the threaded rod to rotate synchronously, causing the threaded sleeve and sleeve rod to move upward, and the piston head on the rotating column to move upward synchronously. The cleaning liquid is absorbed through the suction pipe to clean the inside of the storage tank. The sleeve rod synchronously drives the first bevel gear to rotate, which in turn drives the second bevel gear to drive the cleaning plate on the connecting rod to rotate, allowing the cleaning plate to clean the inner wall of the storage tank. This eliminates the need for disassembly for cleaning, improving the convenience of cleaning this device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a laboratory electronic pipette proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the disassembled components in this utility model. Figure 1 ;

[0017] Figure 3 This is a schematic diagram of the disassembled components in this utility model. Figure 2 ;

[0018] Figure 4 This is a schematic diagram of the cleaning mechanism in this utility model.

[0019] Legend:

[0020] 1. Liquid storage tank; 2. Suction tube; 3. Fixing plate; 4. Adjusting mechanism; 401. Motor; 402. Fixing rod; 403. Sleeve rod; 404. Threaded rod; 405. Threaded sleeve; 406. Synchronous belt; 5. Finger sleeve; 6. Cleaning mechanism; 601. Fixing disc; 602. Protective sleeve; 603. First bevel gear; 604. Second bevel gear; 605. Connecting rod; 606. Cleaning plate; 7. Rotating column; 8. Piston head. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Example 1, Reference Figure 1 and Figure 2 This utility model discloses a laboratory electronic pipette, which can solve the problem that existing devices are difficult to clean the inner wall of the liquid storage tank, and require disassembly of internal components before the liquid storage tank can be cleaned, resulting in limited cleaning convenience during use. It includes a liquid storage tank 1, a suction tube 2 installed in the middle of the bottom of the liquid storage tank 1, a fixing plate 3 installed on the top of the suction tube 2, and several finger sleeves 5 fixedly connected to the right side of the liquid storage tank 1.

[0023] Adjustment mechanism 4 is installed in the middle of the upper surface of fixed plate 3. Cleaning mechanism 6 is installed at the bottom of adjustment mechanism 4. Rotating column 7 is rotatably installed at the bottom of cleaning mechanism 6. Piston head 8 is fixedly connected to the bottom of rotating column 7.

[0024] Working principle: The liquid storage tank 1 facilitates the storage of liquid during transfer; the suction tube 2 facilitates the adsorption of liquid; the fixing plate 3 facilitates the installation of the adjustment mechanism 4; the adjustment mechanism 4 facilitates the adjustment and use of the cleaning mechanism 6; the finger sleeve 5 facilitates the gripping of this device; the cleaning mechanism 6 enables the cleaning plate 606 to clean the inner wall of the liquid storage tank 1 without disassembling it, improving the convenience of cleaning this device; the rotating column 7 and the piston head 8 facilitate the adsorption and use of liquid.

[0025] Example 2, refer to Figure 3 and Figure 4 This embodiment solves the problem that existing devices are difficult to clean the inner wall of the liquid storage tank, requiring disassembly of internal components before cleaning, resulting in limited cleaning convenience during use. This laboratory electronic pipette also includes an adjustment mechanism 4 comprising a motor 401 mounted on a fixed plate 3. The power output end of the motor 401 is connected to a fixed rod 402. The motor 401 passes through the fixed plate 3. A sleeve rod 403 is movably sleeved on the outer surface of the fixed rod 402. Threaded rods 404 are rotatably mounted on the left and right sides of the fixed plate 3. Threaded sleeves 405 are sleeved on the outer surface of the threaded rods 404. A synchronous belt 406 is movably mounted on the upper outer surfaces of the fixed rods 402 and the threaded rods 404. The threaded sleeves 405 have threaded holes adapted to the threaded rods 404. The cleaning mechanism 6 includes a fixed disc 60 fixedly connected to the bottom of the threaded sleeves 405. 1. A protective sleeve 602 is installed at the bottom of the fixed plate 601, and a sleeve rod 403 is fixedly connected to the bottom of the inner cavity of the protective sleeve 602. The fixed plate 601 has a through-hole that matches the sleeve rod 403. A first bevel gear 603 is fixedly connected to the bottom of the sleeve rod 403. A second bevel gear 604 meshes with the left and right sides of the first bevel gear 603. A connecting rod 605 is fixedly connected to the side of the second bevel gear 604 that is far apart from each other. The protective sleeve 602 has an installation groove that matches the connecting rod 605. A cleaning plate 606 is fixedly connected to the side of the connecting rod 605 that is far apart from each other. An annular slider is fixedly connected to the upper end of the protective sleeve 602. The fixed plate 601 has a sliding groove that matches the annular slider. The protective sleeve 602 and the fixed plate 601 form a sliding connection mechanism. The cleaning plate 606 is set in an arc shape. The cleaning plate 606 and the piston head 8 are in contact with the inner wall of the liquid storage tank 1.

[0026] Working Principle: In use, the adjusting mechanism 4 moves the rotating column 7 and piston head 8 on the cleaning mechanism 6 upwards, facilitating the suction of the liquid through the suction pipe 2. When cleaning is required, the motor 401 is turned on, causing the fixed rod 402 to rotate. The synchronous belt 406 then drives the threaded rod 404 to rotate synchronously, causing the threaded sleeve 405 and sleeve rod 403 to move upwards. This, in turn, moves the piston head 8 on the rotating column 7 upwards, allowing the cleaning liquid to be absorbed through the suction pipe 2. The device cleans the inside of the storage tank 1. The first bevel gear 603 is driven to rotate synchronously by the sleeve rod 403, which in turn drives the cleaning plate 606 on the connecting rod 605 to rotate. The cleaning plate 606 cleans the inner wall of the storage tank 1. The protective sleeve 602 and the fixed plate 601 form a sliding connection mechanism, which allows the connecting rod 605 to drive the protective sleeve 602 to rotate. This ensures that the device can clean the inner wall of the storage tank 1 evenly. The device does not require disassembly of the components for cleaning, which improves the convenience of cleaning.

[0027] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A laboratory electronic pipette, characterized in that, include: A liquid storage tank (1) has a suction pipe (2) installed in the middle of the bottom of the liquid storage tank (1), and a fixed plate (3) installed on the top of the suction pipe (2). Several finger sleeves (5) are fixedly connected to the right side of the liquid storage tank (1). An adjustment mechanism (4) is installed in the middle of the upper surface of the fixed plate (3). A cleaning mechanism (6) is installed at the bottom of the adjustment mechanism (4). A rotating column (7) is rotatably installed at the bottom of the cleaning mechanism (6). A piston head (8) is fixedly connected to the bottom of the rotating column (7). The adjustment mechanism (4) includes a motor (401) installed on the fixed plate (3). A fixed rod (402) is connected to the power output end of the motor (401). The motor (401) passes through the fixed plate (3). A sleeve rod (403) is movably sleeved on the outer surface of the fixed rod (402). Threaded rods (404) are rotatably installed on the left and right sides of the fixed plate (3). The outer surface of the threaded rod (404) is... A threaded sleeve (405) is fitted onto the upper outer surface of the fixed rod (402) and the threaded rod (404), and a synchronous belt (406) is movably mounted on the upper outer surface of the threaded rod (404). The cleaning mechanism (6) includes a fixed disc (601) fixedly connected to the bottom of the threaded sleeve (405). A protective sleeve (602) is installed on the bottom of the fixed disc (601), and a sleeve rod (403) is fixedly connected to the bottom of the inner cavity of the protective sleeve (602). The fixed disc (601) has an opening that connects to the sleeve rod (404). 3) A matching through-hole, the bottom of the sleeve (403) is fixedly connected to a first bevel gear (603), the left and right sides of the first bevel gear (603) are meshed with second bevel gears (604), the side of the second bevel gear (604) that is far apart from each other is fixedly connected to a connecting rod (605), and the protective sleeve (602) is provided with an installation groove that is compatible with the connecting rod (605), and the side of the connecting rod (605) that is far apart from each other is fixedly connected to a cleaning plate (606).

2. A laboratory electronic pipette according to claim 1, characterized in that, The threaded sleeve (405) has a threaded hole that matches the threaded rod (404).

3. A laboratory electronic pipette according to claim 1, characterized in that, The upper end of the protective sleeve (602) is fixedly connected to an annular slider, and the fixed plate (601) has a sliding groove adapted to the annular slider. The protective sleeve (602) and the fixed plate (601) form a sliding connection mechanism.

4. A laboratory electronic pipette according to claim 1, characterized in that, The cleaning plate (606) is set in an arc shape, and the cleaning plate (606) and the piston head (8) are attached to the inner wall of the liquid storage tank (1).

Images