Large-volume sample loading device capable of ensuring continuous sequence liquid absorption

Abstract

The utility model relates to the technical field of laboratory equipment, in particular to a large-volume sample loading device capable of ensuring continuous sequence liquid absorption. Comprising a bottom plate, a plurality of bases are arranged on the bottom plate, sample bottles are installed in the bases, side box bodies are arranged above the two ends of the bottom plate, the side box bodies are fixedly connected with the bottom plate through two supporting stand columns, a box body is arranged between the two side box bodies, an upper transverse plate is fixedly connected into the box body, and the two side box bodies are fixedly connected to the bottom in the box body; a first motor is fixedly connected to the top of the upper transverse plate, a lead screw is arranged at the output end of the first motor and is in threaded connection with a threaded seat, a movable plate is fixedly connected to one side of the threaded seat, a sample loading box is fixedly connected to one side of the movable plate, and a plurality of sample loading needles are arranged at the bottom of the sample loading box. The utility model provides the large-volume sample loading device capable of ensuring continuous sequence liquid absorption, and the sample loading efficiency can be greatly improved while the sample loading precision is ensured through accurate mechanical design and automatic control.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory equipment technical field especially relates to a can ensure large volume sample loading device of continuous sequence liquid suction. BACKGROUND

[0002] With the continuous development of modern laboratory technology, the demand for automation and high-throughput sample processing is increasing. In many biological, chemical and environmental analysis experiments, large volume samples need to be quickly and accurately loaded. Traditional sample loading devices often have problems such as slow loading speed, low precision and complex operation, which are difficult to meet the requirements of high-throughput analysis. In addition, when processing continuous sequence liquid suction operation, the traditional device is prone to sample cross contamination and uneven loading. SUMMARY

[0003] The utility model provides a kind of large volume sample loading device that can ensure continuous sequence liquid suction, by accurate mechanical design and automation control, can greatly improve the efficiency of sample loading while ensuring the accuracy of sample loading.

[0004] The technical scheme adopted by the utility model is as follows: a large volume sample loading device that can ensure continuous sequence liquid suction, comprising a bottom plate, a plurality of bases are provided on the bottom plate, and sample bottles are installed in the bases, side box bodies are provided on the top of both ends of the bottom plate, the side box bodies are fixedly connected with the bottom plate through two supporting columns, a box body is provided between the two side box bodies, an upper horizontal plate is fixedly connected in the box body, a fixed horizontal plate extending into the interiors of the two side box bodies is fixedly connected to the bottom of the box body, and the fixed horizontal plate is slidingly connected with the side box bodies, a first motor is fixedly connected to the top of the upper horizontal plate, a lead screw is provided on the output end of the first motor, a threaded seat is threadedly connected to the lead screw, a movable plate slidingly connected with the box body is fixedly connected to one side of the threaded seat, a sample loading box is fixedly connected to one side of the movable plate, and a plurality of sample loading needles extending below the box body are provided on the bottom of the sample loading box.

[0005] As a further improvement of the utility model, the number of bases is 32, and they are arranged in an 8x4 rectangular array, and the inner bottom wall of each base is inclined.

[0006] As a further improvement of the utility model, a guide sliding groove is provided on the side wall of each side box body for the fixed horizontal plate to pass through and slide.

[0007] As a further improvement of the utility model, a first sliding block is fixedly connected to the bottom of each end of the fixed horizontal plate, and a first sliding rail for the first sliding block to slide is fixedly installed in each side box body.

[0008] As a further improvement of the utility model, one side of the side box body is fixedly connected with an outer frame body, a rack is fixedly installed in the outer frame body, a second motor is fixedly connected to the rear side of the box body, and the output end of the second motor is provided with a gear wheel engaged with the rack.

[0009] As a further improvement of the utility model, the upper horizontal plate and the fixed horizontal plate are fixedly connected through two guide rods, and the outer side of the guide rod is provided with a sliding seat fixedly connected with the movable plate.

[0010] As a further improvement of the utility model, the movable plate is fixedly connected with a second sliding block at both ends, and the two side walls in the box body are fixedly installed with second sliding rails for the sliding of the second sliding block.

[0011] As a further improvement of the utility model, the number of the sample loading needles is 8, and they are uniformly distributed above the sample bottles.

[0012] The utility model discloses the beneficial effects: the utility model realizes the vertical movement of sample loading box and sample loading needle through the movement of the first motor drive screw rod and screw seat, realizes the horizontal movement of sample loading box and sample loading needle in combination with the engagement of the second motor drive gear wheel and rack, the accurate control of this multidirectional movement ensures that sample loading needle can be accurately positioned to the specified position of sample bottle, thereby improve the precision of sample loading, and simultaneously, the design of multiple sample loading needles makes the device can handle multiple sample bottles simultaneously, greatly improves the speed and efficiency of sample loading. ACCURACY

[0013] Figure 1 It is the overall structure schematic view of the large-volume sample loading device of the utility model that can ensure continuous sequence liquid suction;

[0014] Figure 2 It is the overall structure schematic view of the large-volume sample loading device of the utility model that can ensure continuous sequence liquid suction; Figure 1 Another perspective view schematic diagram;

[0015] Figure 3 It is the side box body opening state view of the large-volume sample loading device of the utility model that can ensure continuous sequence liquid suction;

[0016] Figure 4 It is the box opening state view of the large-volume sample loading device of the utility model that can ensure continuous sequence liquid suction;

[0017] Figure 5 It is the local structure schematic view of the large-volume sample loading device of the utility model that can ensure continuous sequence liquid suction Figure 1 ;

[0018] Figure 6 It is the local structure schematic view of the large-volume sample loading device of the utility model that can ensure continuous sequence liquid suction Figure 2;

[0019] Figure 7 The utility model relates a large volume sample loading device which can ensure continuous sequence liquid suction Figure 6 Another state diagram

[0020] Figure 8 The utility model relates a large volume sample loading device which can ensure continuous sequence liquid suction Figure 7 Another perspective view schematic diagram

[0021] As shown in the figure: 1, base plate, 2, base, 3, sample bottle, 4, side box body, 5, support column, 6, box, 7, upper horizontal plate, 8, fixed horizontal plate, 9, first motor, 10, screw rod, 11, threaded seat, 12, movable plate, 13, sample loading box, 14, sample loading needle, 15, guide chute, 16, first sliding block, 17, first slide rail, 18, outer frame, 19, rack, 20, second motor, 21, gear, 22, guide rod, 23, sliding seat, 24, second sliding block, 25, second slide rail. DETAILED DESCRIPTION

[0022] In the present specification, the orientation terms such as up, down, left, right, front, back, front face, back face, top, bottom, etc. mentioned or possibly mentioned are defined relative to its structure, and they are relative concepts. Therefore, it is possible to change accordingly according to its different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0023] The singular forms "a", "said" and "the" used in the present specification are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0024] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and do not limit the present application.

[0025] The utility model provides a kind of as attached Figures 1-8The illustrated one can ensure continuous sequence of large volume sample loading device, including the base plate 1, the base plate 1 is provided with a plurality of pedestals 2 and the pedestal 2 is installed with sample bottle 3, the upper portion of both ends of the base plate 1 is provided with side box body 4, the side box body 4 is fixedly connected with the base plate 1 through two support columns 5, the box body 6 is arranged between the two side box body 4, the box body 6 is fixedly connected with the upper horizontal plate 7, the box body 6 is fixedly connected with the fixed horizontal plate 8 which extends to the inside of the two side box body 4 respectively and the fixed horizontal plate 8 is slidingly connected with the side box body 4, the top of the upper horizontal plate 7 is fixedly connected with the first motor 9, the output end of the first motor 9 is provided with the lead screw 10, the lead screw 10 is threadedly connected with the threaded seat 11, one side of the threaded seat 11 is fixedly connected with the movable plate 12 which is slidingly connected with the box body 6, one side of the movable plate 12 is fixedly connected with the sample loading box 13, the bottom of the sample loading box 13 is provided with a plurality of sample loading needles 14 which extend to the lower side of the box body 6.

[0026] As Figures 1-4 shown in the utility model, the number of the pedestal 2 is 32 and arranged in 8x4 rectangular, the inner bottom wall of the pedestal 2 is arranged obliquely, the number of the sample loading needle 14 is 8 and evenly distributed above the sample bottle 3, so that the sample loading needle 14 is more smooth when sucking the sample, avoids the sample accumulation or residue in the sample bottle 3, and also can improve the accuracy and efficiency of the sample loading needle 14 sucking the sample, in addition, the obliquely arranged bottom wall of the pedestal 2 can also reduce the friction of the sample bottle 3 when placing or taking out to some extent, so that the operation is more convenient.

[0027] As Figure 3 and Figure 4 shown in the utility model, the side wall of the side box body 4 is provided with the guide sliding groove 15 for the fixed horizontal plate 8 to pass through and slide, the bottom of both ends of the fixed horizontal plate 8 is fixedly connected with the first sliding block 16, the first sliding rail 17 for the first sliding block 16 to slide is fixedly installed in the two side box body 4, which can ensure the stable sliding of the fixed horizontal plate 8 in the side box body 4, at the same time, the cooperation of the guide sliding groove 15 and the first sliding block 16, the first sliding rail 17 can also guide and limit the fixed horizontal plate 8, avoid its deviation or shaking in the sliding process, so as to further improve the stability and reliability of the horizontal movement of the sample loading box 13 and the sample loading needle 14

[0028] As Figure 3 and Figure 5 shown in the utility model, one side of one of the side box body 4 is fixedly connected with the outer frame body 18 and the rack 19 is fixedly installed in the outer frame body 18, the rear side of the box body 6 is fixedly connected with the second motor 20 and the output end of the second motor 20 is provided with the gear 21 which is engaged with the rack 19, through the engagement movement of the gear 21 and the rack 19 driven by the second motor 20, the box body 6 and its internal components can be driven to move along the horizontal direction, so as to realize the horizontal displacement of the sample loading box 13 and the sample loading needle 14.

[0029] AsFigure 4 Figure 8 As shown, the upper horizontal plate 7 and the fixed horizontal plate 8 are fixedly connected through two guide rods 22, and the outer side of the guide rod 22 is sleeved with a sliding seat 23 fixedly connected with the movable plate 12, both ends of the movable plate 12 are fixedly connected with a second sliding block 24, and the second sliding block 24 is slidably arranged on the second sliding rail 25 fixedly installed on the two side walls in the box body 6, so that the movable plate 12 can stably slide in the box body 6, and the cooperation of the guide rod 22 and the sliding seat 23 can also guide and limit the movable plate 12, so as to avoid deviation or shaking of the movable plate 12 during sliding, thereby further improving the stability and reliability of the vertical movement of the sample box 13 and the sample needle 14.

[0030] Working principle: in the specific implementation of the utility model, first, the sample bottle 3 is placed in the base 2, the second motor 20 is started, the output end of the second motor 20 drives the gear 21 to rotate, the gear 21 and the rack 19 are engaged to move, thereby driving the box body 6 and the internal components to move horizontally, realizing the horizontal displacement of the sample box 13 and the sample needle 14, moving the sample needle 14 to the upper side of the sample bottle 3, then starting the first motor 9, the output end of the first motor 9 drives the screw rod 10 to rotate, the threaded seat 11 on the screw rod 10 moves up and down, the threaded seat 11 drives the movable plate 12 to move vertically, the movable plate 12 drives the sample box 13 and the sample needle 14 to move vertically synchronously, moving the sample needle 14 to the inside of the sample bottle 3, and sucking the sample. The utility model can realize accurate control of the sample needle 14 through the cooperation of the first motor 9 and the second motor 20, so that it can be accurately positioned to the specified position of the sample bottle 3, realizing the sucking of the sample.

[0031] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model embodiments.

Claims

1. A large-volume sample loading device that ensures continuous sequential liquid aspiration, comprising a base plate (1), characterized in that: The base plate (1) is provided with multiple bases (2) and sample bottles (3) are installed in the bases (2). Side boxes (4) are provided above both ends of the base plate (1). The side boxes (4) are fixedly connected to the base plate (1) by two supporting columns (5). A box (6) is provided between the two side boxes (4). An upper horizontal plate (7) is fixedly connected inside the box (6). A fixed horizontal plate (8) is fixedly connected to the bottom of the box (6) with both ends extending into the two side boxes (4). The upper horizontal plate (7) is slidably connected to the side box (4). The top of the upper horizontal plate (7) is fixedly connected to the first motor (9). The output end of the first motor (9) is provided with a lead screw (10). The lead screw (10) is threadedly connected to a threaded seat (11). The threaded seat (11) is fixedly connected to a movable plate (12) that is slidably connected to the box (6). The movable plate (12) is fixedly connected to a sample box (13) on one side. The sample box (13) is provided with multiple sample needles (14) extending to the bottom of the box (6).

2. The large-volume sample loading device according to claim 1, which ensures continuous sequential liquid aspiration, is characterized in that: The number of bases (2) is 32 and they are arranged in an 8×4 rectangle. The inner bottom wall of the base (2) is inclined.

3. The large-volume sample loading device according to claim 1, which ensures continuous sequential liquid aspiration, is characterized in that: The side wall of the side box (4) is provided with a guide groove (15) for the fixed horizontal plate (8) to pass through and slide.

4. The large-volume sample loading device according to claim 1, which ensures continuous sequential liquid aspiration, is characterized in that: The bottom of both ends of the fixed horizontal plate (8) is fixedly connected with a first slider (16), and the two side boxes (4) are fixedly installed with a first slide rail (17) for the first slider (16) to slide.

5. The large-volume sample loading device according to claim 1, which ensures continuous sequential liquid aspiration, is characterized in that: One of the side boxes (4) is fixedly connected to an outer frame (18) and a rack (19) is fixedly installed inside the outer frame (18). The rear side of the box (6) is fixedly connected to a second motor (20) and the output end of the second motor (20) is provided with a gear (21) that meshes with the rack (19).

6. The large-volume sample loading device according to claim 1, which ensures continuous sequential liquid aspiration, is characterized in that: The upper horizontal plate (7) and the fixed horizontal plate (8) are fixedly connected by two guide rods (22), and a sliding seat (23) fixedly connected to the movable plate (12) is sleeved on the outside of the guide rods (22).

7. The large-volume sample loading device according to claim 1, which ensures continuous sequential liquid aspiration, is characterized in that: The movable plate (12) is fixedly connected to two ends of a second slider (24), and the inner side walls of the box (6) are fixedly installed with second slide rails (25) for the second slider (24) to slide.

8. A large-volume sample loading device that ensures continuous sequential liquid aspiration according to claim 1, characterized in that: The number of sample needles (14) is 8 and they are evenly distributed above the sample vial (3).

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