Portable high-flux pipetting device

Abstract

The utility model discloses a portable high-flux pipetting device, which comprises a sampling tube, a mounting block and a mounting shell, a suction head is sleeved on the side wall of the sampling tube, a piston is arranged in the sampling tube, a driving mechanism for driving the piston to lift is arranged in the mounting shell, the driving mechanism comprises a motor fixedly connected on the mounting shell, and the motor is connected with the mounting block. A threaded rod is fixedly connected to an output shaft of the motor, a moving part is fixedly connected to an output shaft of the threaded rod, and a connecting rod is fixedly connected to the top in the moving part. The driving mechanism is arranged, the sampling pipe is large in capacity, one-time liquid taking and multi-time liquid discharging can be achieved, the sampling process is greatly facilitated through high-flux liquid transferring, the movement speed and stroke of the adopted piston can be accurately controlled, and therefore it is guaranteed that the volume of discharged liquid is accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to portable pipette device technical field especially relates to a portable high throughput pipette device. BACKGROUND

[0002] In the hospital clinical examination, scientific research unit, the experiment sampling of relevant chemical industry, food, mine and so on enterprise and public institution, often need to use pipette or straw to carry out pipetting, it is an indispensable experimental apparatus.

[0003] The pipette device in prior art has many, and the portable pipette device mostly carries out pipetting to the detection solution through the pipette (pipette gun), and the pipette realizes suction through the internal spring, and the suction amount is very limited, if a large amount of sampling of target liquid is needed, then the repeated sampling action needs to be carried out many times, and it is very troublesome, in order to solve the above problems, the portable high throughput pipette device is provided. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a portable high throughput pipette device, which can effectively solve the problems in the background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A portable high throughput pipette device, including sampling pipe, installation block and installation shell, the sampling pipe side wall is provided with a suction head, the sampling pipe is equipped with a piston, the installation shell is equipped with a driving mechanism for driving the piston to lift, the driving mechanism includes a motor fixedly connected on the installation shell, the motor output shaft is fixedly connected with a threaded rod, the threaded rod output shaft is fixedly connected with a moving piece, the moving piece is fixedly connected with a connecting rod at the top, the connecting rod lower end is connected with the lower end of the piston, the installation shell side wall is equipped with a control panel, the sampling pipe side wall is equipped with a dustproof mechanism for preventing dust from entering the sampling pipe.

[0007] Preferably, the dustproof mechanism includes two slide rails fixedly connected on the sampling pipe side wall, and the slide rails are equipped with dustproof plates.

[0008] Preferably, the installation block lower end is equipped with a connecting rope, and the connecting rope away from the installation block one end is equipped with a dustproof sleeve.

[0009] Preferably, the installation shell upper end is equipped with a dustproof mesh cover, the installation shell lower end is fixedly connected with a magnet, and the installation block side wall is equipped with a placing block.

[0010] Preferably, the installation shell side wall is equipped with a handle, and the handle side wall is equipped with an antiskid sleeve.

[0011] Preferably, the slide rail section is inverted T-shaped, and the dustproof plate is made of a magnetic material.

[0012] Compared with the prior art, the portable high-throughput pipetting device has the following beneficial effects:

[0013] 1、 The device is provided with a driving mechanism, and the sampling tube has large capacity, so that liquid can be taken once and discharged multiple times, high-throughput pipetting greatly facilitates the sampling process, and the movement speed and stroke of the piston can be accurately controlled, so that the volume of the discharged liquid is accurate.

[0014] 2、 The device is provided with a dustproof mechanism, which can seal the sampling tube by pushing two dustproof plates into the slide rail when the equipment is idle, and the two dustproof plates move towards each other to close, so as to prevent dust from entering and polluting the piston, thereby improving the rationality of the device design.

[0015] 3、 The device is provided with a connecting rope and a dustproof sleeve, which can seal and protect the lower end of the sampling tube, prevent dust from entering the sampling tube, and prevent pollution of the subsequent sampling sample. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure diagram of a portable high-throughput pipetting device is provided for the utility model;

[0017] Figure 2 A structure diagram of a portable high-throughput pipetting device is provided for the utility model; Figure 1 A structure diagram of a portable high-throughput pipetting device is provided for the utility model;

[0018] Figure 3 A structure diagram of a portable high-throughput pipetting device is provided for the utility model;

[0019] Figure 4 A structure diagram of a portable high-throughput pipetting device is provided for the utility model.

[0020] In the drawing: 1 sampling tube, 2 connecting rod, 3 piston, 4 suction head, 5 mounting block, 6 mounting shell, 7 moving piece, 8 threaded rod, 9 motor, 10 control panel, 11 dustproof screen cover, 12 dustproof plate, 13 slide rail, 14 placing block, 15 handle, 16 anti-skid sleeve, 17 connecting rope, 18 magnet, 19 dustproof sleeve. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] For example, Figures 1-4As shown, a portable high-throughput pipetting device includes a sampling tube 1, a mounting block 5 and a mounting shell 6, a suction head 4 is sleeved on the side wall of the sampling tube 1, the suction head 4 is sleeved on the sampling tube 1, a piston 3 is arranged in the sampling tube 1, a driving mechanism for driving the piston 3 to ascend and descend is arranged in the mounting shell 6, the driving mechanism includes a motor 9 fixedly connected on the mounting shell 6, a threaded rod 8 fixedly connected with the output shaft of the motor 9, a moving piece 7 (Z-shaped structure) fixedly connected with the output shaft of the threaded rod 8, a connecting rod 2 fixedly connected with the inner top of the moving piece 7, the lower end of the connecting rod 2 is connected with the lower end of the piston 3, a control panel 10 is arranged on the side wall of the mounting shell 6, the motor 9 is a servo motor, the output shaft of which can be reversed, and the control mode is one of the following: pulse control mode, analog control mode, communication control mode, the model can be PD4-E or other, the control panel 10 can control the opening and closing of the motor 9, and the liquid extraction amount and the liquid discharge amount.

[0023] The side wall of the sampling tube 1 is provided with a dustproof mechanism for preventing dust from entering the sampling tube 1, and the dustproof mechanism includes two slide rails 13 fixedly connected with the side wall of the sampling tube 1, and a dustproof plate 12 arranged in the slide rail 13.

[0024] In the utility model, the lower end of the mounting block 5 is provided with a connecting rope 17, one end of the connecting rope 17 away from the mounting block 5 is provided with a dustproof sleeve 19, the dustproof sleeve 19 can prevent dust from entering the lower end of the sampling tube 1, and the device can be prevented from being polluted by dust entering the device when the device is idle for a long time.

[0025] In the utility model, the upper end of the mounting shell 6 is provided with a dustproof screen cover 11, the lower end of the mounting shell 6 is fixedly connected with a magnet 18, and the side wall of the dustproof sleeve 19 is provided with an iron ring, so that the dustproof sleeve 19 can be adsorbed, the dustproof sleeve 19 can be prevented from shaking at will, the side wall of the mounting block 5 is provided with a placing block 14, and the placing block 14 can place the suction head 4, so that the device is more portable.

[0026] In the utility model, the side wall of the mounting shell 6 is provided with a handle 15, and the side wall of the handle 15 is provided with an anti-skid sleeve 16, so that the device is convenient to use.

[0027] In the utility model, the cross section of the slide rail 13 is inverted T-shaped, the dustproof plate 12 can be prevented from being pulled out from the slide rail 13 at will, the dustproof plate 12 is made of a magnetic material, and the two dustproof plates 12 can attract each other.

[0028] In the initial state, the suction head 4 is separated from the sampling tube 1.

[0029] It needs to be explained that the utility model is a kind of portable high-throughput pipetting device, user sets sample amount through control panel 10, puts suction head 4 on the lower end lateral wall of sampling tube 1, inserts the lower end of suction head 4 into sampling liquid, starts motor 9, and motor 9 output shaft drives screw rod 8 to rotate, moving piece 7 moves up under the limit of the inner wall of mounting shell 6, connecting rod 2 drives piston 3 to move in sampling tube 1, forms negative pressure in suction head 4, liquid is pressed into suction head 4 under the action of external atmospheric pressure, to complete liquid suction operation, piston 3 stops after reaching the set sample amount;

[0030] When liquid needs to be discharged, suction head 4 is inserted into test tube, discharge amount is set on control panel 10, motor 9 is started, motor 9 output shaft reverses, piston 3 moves downward, pressure is applied to the liquid in suction head 4, liquid is discharged from the outlet of suction head 4 and enters test tube, after one-time liquid discharge, suction head 4 is inserted into next test tube again, quantitative discharge is carried out again, liquid taking and liquid discharging multiple times can be realized in the process, and high-throughput pipetting greatly facilitates sampling process.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A portable high-throughput pipetting device comprising a sampling tube (1), a mounting block (5) and a mounting housing (6), characterized in that, The sampling tube (1) is sleeved with a suction head (4), the sampling tube (1) is provided with a piston (3), the mounting shell (6) is provided with a driving mechanism for driving the piston (3) to lift, the driving mechanism comprises a motor (9) fixedly connected to the mounting shell (6), the output shaft of the motor (9) is fixedly connected with a threaded rod (8), the output shaft of the threaded rod (8) is fixedly connected with a moving piece (7), the moving piece (7) is fixedly connected with a connecting rod (2) at the top, the lower end of the connecting rod (2) is connected with the lower end of the piston (3), the side wall of the mounting shell (6) is provided with a control panel (10), and the side wall of the sampling tube (1) is provided with a dust prevention mechanism for preventing dust from entering the sampling tube (1).

2. A portable high throughput pipetting device according to claim 1, wherein, The dust prevention mechanism comprises two slide rails (13) fixedly connected to the side wall of the sampling tube (1), and the slide rails (13) are provided with dustproof plates (12).

3. A portable high throughput pipetting device according to claim 2, wherein, The lower end of the mounting block (5) is provided with a connecting rope (17), and the end of the connecting rope (17) away from the mounting block (5) is provided with a dustproof sleeve (19).

4. A portable high throughput pipetting device according to claim 3, wherein, The upper end of the mounting shell (6) is provided with a dustproof mesh cover (11), the lower end of the mounting shell (6) is fixedly connected with a magnet (18), and the side wall of the mounting block (5) is provided with a placing block (14).

5. A portable high throughput pipetting device according to claim 4, wherein, The side wall of the mounting shell (6) is provided with a handle (15), and the side wall of the handle (15) is provided with an anti-skid sleeve (16).

6. The portable high throughput pipetting device of claim 2, wherein, The slide rail (13) is inverted T-shaped in cross section, and the dustproof plate (12) is made of a magnetic material.

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