Liquid storage device for liquid chromatograph

Abstract

The utility model relates to a liquid storage device for a liquid chromatograph, which belongs to the technical field of liquid storage bottle storage and comprises a chromatographic instrument body and a controller fixedly mounted outside the chromatographic instrument body, a containing groove is arranged in the chromatographic instrument body, a mounting plate is arranged in the containing groove, and a liquid storage bottle is arranged in the mounting plate. A liquid storage bottle fixing structure is arranged on the upper surface of the mounting plate, and a supporting structure is arranged in the chromatograph body; the liquid storage bottle fixing structure comprises a storage box fixedly mounted on the upper surface of the mounting plate, a bearing table arranged in the storage box, an elastic telescopic rod, a clamp, a toothed plate fixedly mounted on the lower surface of the bearing table, and a connecting plate fixedly mounted at the bottom end of the toothed plate and fixed to one end of the elastic telescopic rod. The liquid storage device for the liquid chromatograph is simple in structure and convenient to operate, liquid storage bottles of different sizes can be fixed, the practicability of the device is greatly improved, and therefore the advantages of being high in practicability, good in fixing effect and the like are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid storage bottle storage, in particular to a liquid storage device for a liquid chromatograph. Background Art

[0002] Liquid chromatograph is a commonly used analytical instrument with wide applications in biomedicine and chemistry. Liquid chromatograph requires mobile phase when in use. The mobile phase is usually placed in a mobile phase bottle and placed next to or on top of the liquid chromatograph, so it can easily tip over if accidentally touched.

[0003] After searching, Chinese patent CN220568731U discloses a liquid storage device for liquid chromatograph, including a chromatograph body, a liquid storage bottle is arranged at the top of the chromatograph body, support plates are fixedly connected to both sides of the top of the chromatograph body, a plurality of clamping mechanisms are installed between the two support plates, and the liquid storage bottle is arranged in the clamping mechanism. The utility model is provided with a clamping mechanism and a positioning mechanism for coordinated use, by pressing the pull plate, the fastening spring is contracted, the internal gear is disconnected from the external gear, and then by turning the hand wheel, the threaded rod is rotated, driving the first movable plate and the second movable plate to approach each other, so that the two clamping parts are close to each other, and the liquid storage bottle is clamped and fixed, and after the fixing is completed, the pull plate is released, and the internal gear is meshed with the external gear under the action of the fastening spring restoring the deformation, at this time, the hand wheel can no longer be turned, so as to prevent the threaded rod from rotating accidentally and ensure the fixation is stable.

[0004] However, the liquid storage device for liquid chromatograph of the utility model has certain limitations. For example, it cannot fix liquid storage bottles of different sizes, or once the liquid storage bottle is not placed between two clamps, the liquid storage bottle is prone to unstable clamping, which seriously affects the fixing efficiency of the liquid storage bottle and cannot meet the use requirements. Therefore, a liquid storage device for liquid chromatograph is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a liquid storage device for a liquid chromatograph, which has the advantages of strong practicability and good fixing effect, and solves the problem that the fixing method of the liquid storage bottle has certain limitations.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid storage device for a liquid chromatograph, comprising a chromatograph body and a controller fixedly mounted on the outside of the chromatograph body, a receiving groove is arranged inside the chromatograph body, a mounting plate is arranged inside the receiving groove, and a liquid storage bottle fixing structure is arranged on the upper surface of the mounting plate, and a supporting structure is arranged inside the chromatograph body;

[0007] The liquid storage bottle fixing structure comprises a storage box fixedly mounted on the upper surface of the mounting plate, a bearing platform arranged inside the storage box, an elastic telescopic rod and a clamp, a toothed plate fixedly mounted on the lower surface of the bearing platform, a connecting plate fixedly mounted on the bottom end of the toothed plate and fixed to one end of the elastic telescopic rod, a lead screw mounted inside the storage box through a bearing, a gear fixedly mounted outside the lead screw and meshing with the toothed plate, a slider threadedly connected to the outside of the lead screw, and a connecting rod fixedly mounted between the slider and the clamp;

[0008] The supporting structure comprises a telescopic electric cylinder installed inside the chromatograph body and a supporting block fixedly installed on the output end of the telescopic electric cylinder.

[0009] Furthermore, a fixing plate is welded between the inner walls on the left and right sides of the storage box, the tooth plate passes through the interior of the fixing plate, and one end of the elastic telescopic rod away from the connecting plate is fixed to the lower surface of the fixing plate.

[0010] Furthermore, the number of the sliders, connecting rods and clamps is two, and the two sliders and the two clamps are symmetrically arranged with the gear as the midpoint, while the screw has the gear as the midpoint and the threads thereon are arranged in opposite directions.

[0011] Furthermore, positioning holes are provided inside the storage box and the connecting plate, and positioning rods are inserted into the positioning holes.

[0012] Furthermore, an electric push rod is fixedly mounted on the inner bottom wall of the accommodating groove, and the output end of the electric push rod is fixed to the lower surface of the mounting plate by bolts, and the upper surface of the chromatograph body is open.

[0013] Furthermore, a cover plate for shielding the receiving slot is hinged on the left side of the chromatograph body, and moving wheels are installed at the four corners of the lower surface of the chromatograph body.

[0014] Furthermore, a mounting groove is provided inside the chromatograph body, the telescopic electric cylinder is fixedly installed in the mounting groove, and the output end of the telescopic electric cylinder extends to the outside of the chromatograph body.

[0015] Compared with the prior art, the utility model provides a liquid storage device for a liquid chromatograph, which has the following beneficial effects:

[0016] 1. The liquid storage device for liquid chromatograph has a simple structure and is easy to operate. It can fix liquid storage bottles of different sizes, greatly improving the practicability of the device, thereby achieving the advantages of strong practicability and good fixing effect, and solving the problem of certain limitations on the fixing method of the liquid storage bottle.

[0017] 2. The liquid storage device for the liquid chromatograph is convenient for moving the chromatograph body by installing the moving wheels. The chromatograph body can be supported by the telescopic electric cylinder and the supporting block to ensure the stable placement of the chromatograph body and facilitate the staff to take the liquid storage bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0019] Figure 2 This is a structural sectional view of the storage box of the utility model;

[0020] Figure 3 It is a structural stereogram of the storage box of the utility model.

[0021] In the figure: 1. Chromatograph body; 2. Controller; 3. Receiving slot; 4. Cover plate; 5. Mounting plate; 6. Storage box; 7. Fixing plate; 8. Carrying platform; 9. Tooth plate; 10. Connecting plate; 11. Elastic telescopic rod; 12. Lead screw; 13. Gear; 14. Slider; 15. Connecting rod; 16. Clamp; 17. Limit rod; 18. Positioning hole; 19. Positioning rod; 20. Electric push rod; 21. Mounting slot; 22. Telescopic electric cylinder; 23. Support block; 24. Moving wheel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 A liquid storage device for a liquid chromatograph includes a chromatograph body 1 and a controller 2 fixedly mounted on the outside of the chromatograph body 1. A receiving groove 3 is provided inside the chromatograph body 1. An electric push rod 20 is fixedly mounted on the inner bottom wall of the receiving groove 3. The output end of the electric push rod 20 is fixed to the lower surface of a mounting plate 5 by bolts. The upper surface of the chromatograph body 1 is open. A mounting plate 5 is provided inside the receiving groove 3, and a liquid storage bottle fixing structure is provided on the upper surface of the mounting plate 5.

[0024] The left side of the chromatograph body 1 is hinged with a cover plate 4 for shielding the receiving slot 3, and the four corners of the lower surface of the chromatograph body 1 are equipped with moving wheels 24. A handle is installed on the left side of the chromatograph body 1 to facilitate the movement of the chromatograph body 1 with the moving wheels 24.

[0025] In this embodiment, the liquid storage bottle fixing structure includes a storage box 6 fixedly mounted on the upper surface of the mounting plate 5, a bearing platform 8 arranged inside the storage box 6, an elastic telescopic rod 11 and a clamp 16, a toothed plate 9 fixedly mounted on the lower surface of the bearing platform 8, a connecting plate 10 fixedly mounted on the bottom end of the toothed plate 9 and fixed to one end of the elastic telescopic rod 11, a lead screw 12 mounted inside the storage box 6 through a bearing, a gear 13 fixedly mounted outside the lead screw 12 and meshing with the toothed plate 9, a slider 14 threadedly connected to the outside of the lead screw 12, and a connecting rod 15 fixedly mounted between the slider 14 and the clamp 16. Positioning holes 18 are provided inside the storage box 6 and the connecting plate 10, and a positioning rod 19 is inserted into the positioning hole 18.

[0026] A fixing plate 7 is welded between the inner walls of the left and right sides of the storage box 6, a tooth plate 9 penetrates the interior of the fixing plate 7, and one end of the elastic telescopic rod 11 away from the connecting plate 10 is fixed to the lower surface of the fixing plate 7. The storage box 6 has a plurality of positioning holes 18.

[0027] It should be noted that there are two sliders 14, connecting rods 15 and clamps 16, and the two sliders 14 and the two clamps 16 are symmetrically arranged with the gear 13 as the midpoint, and the screw 12 is arranged with the gear 13 as the midpoint, and the threads thereon are arranged oppositely, so that the two sliders 14 can move relative to or oppositely. The lower surfaces of the two sliders 14 are both installed with limit rods 17 slidably connected to the fixing plate 7, so that the two sliders 14 can move linearly left and right.

[0028] In this embodiment, a support structure is provided inside the chromatograph body 1 ; the support structure comprises a telescopic electric cylinder 22 installed inside the chromatograph body 1 and a support block 23 fixedly installed on the output end of the telescopic electric cylinder 22 .

[0029] The chromatograph body 1 has a mounting groove 21 formed inside, and a telescopic electric cylinder 22 is fixedly mounted in the mounting groove 21, and an output end of the telescopic electric cylinder 22 extends to the outside of the chromatograph body 1. The chromatograph body 1 is detachably mounted with an inspection plate for shielding the mounting groove 21. A battery module electrically connected to the telescopic electric cylinder 22 and the electric push rod 20 is installed inside the chromatograph body 1.

[0030] The working principle of the above embodiment is:

[0031] When in use, the liquid storage bottle is placed on the supporting platform 8, and the supporting platform 8 will drive the toothed plate 9 to move downward according to the weight of the liquid storage bottle. The downward movement of the toothed plate 9 will drive the elastic telescopic rod 11 to deform, and at the same time drive the screw 12 to rotate through the gear 13. Since the threads on the screw 12 are opposite, the rotation of the screw 12 drives the two sliders 14 to move relative to each other, so that the two clamps 16 clamp and fix the liquid storage bottle, so as to fix liquid storage bottles of different sizes. Finally, the positioning rod 19 is inserted into the positioning hole 18 to realize the positioning of the liquid storage bottle and prevent the liquid storage bottle from shaking during transportation.

[0032] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid storage device for a liquid chromatograph, comprising a chromatograph body (1) and a controller (2) fixedly mounted outside the chromatograph body (1), characterized in that: The chromatograph body (1) is provided with a receiving groove (3) inside, a mounting plate (5) is provided inside the receiving groove (3), and a liquid storage bottle fixing structure is provided on the upper surface of the mounting plate (5), and a supporting structure is provided inside the chromatograph body (1); The liquid storage bottle fixing structure comprises a storage box (6) fixedly mounted on the upper surface of the mounting plate (5), a bearing platform (8) arranged inside the storage box (6), an elastic telescopic rod (11) and a clamp (16), a toothed plate (9) fixedly mounted on the lower surface of the bearing platform (8), a connecting plate (10) fixedly mounted on the bottom end of the toothed plate (9) and fixed to one end of the elastic telescopic rod (11), a lead screw (12) mounted inside the storage box (6) via a bearing, a gear (13) fixedly mounted outside the lead screw (12) and meshing with the toothed plate (9), a slider (14) threadedly connected to the outside of the lead screw (12), and a connecting rod (15) fixedly mounted between the slider (14) and the clamp (16); The support structure comprises a telescopic electric cylinder (22) installed inside the chromatograph body (1) and a support block (23) fixedly installed on the output end of the telescopic electric cylinder (22).

2. A liquid storage device for a liquid chromatograph according to claim 1, characterized in that: A fixing plate (7) is welded between the inner walls on the left and right sides of the storage box (6), the tooth plate (9) penetrates the interior of the fixing plate (7), and one end of the elastic telescopic rod (11) away from the connecting plate (10) is fixed to the lower surface of the fixing plate (7).

3. The liquid storage device for liquid chromatograph according to claim 1, characterized in that: The number of the slider (14), the connecting rod (15) and the clamp (16) is two, and the two sliders (14) and the two clamps (16) are symmetrically arranged with the gear (13) as the midpoint, while the screw (12) takes the gear (13) as the midpoint and the threads thereon are arranged in opposite directions.

4. The liquid storage device for liquid chromatograph according to claim 1, characterized in that: The storage box (6) and the connecting plate (10) are both provided with positioning holes (18) inside, and positioning rods (19) are inserted into the positioning holes (18).

5. The liquid storage device for liquid chromatograph according to claim 1, characterized in that: An electric push rod (20) is fixedly mounted on the inner bottom wall of the accommodating groove (3), and the output end of the electric push rod (20) is fixed to the lower surface of the mounting plate (5) by means of bolts. The upper surface of the chromatograph body (1) is open.

6. The liquid storage device for liquid chromatograph according to claim 1, characterized in that: A cover plate (4) for shielding the containing groove (3) is hingedly connected to the left side of the chromatograph body (1), and moving wheels (24) are installed at the four corners of the lower surface of the chromatograph body (1).

7. The liquid storage device for liquid chromatograph according to claim 1, characterized in that: The chromatograph body (1) is provided with a mounting groove (21), the telescopic electric cylinder (22) is fixedly mounted in the mounting groove (21), and the output end of the telescopic electric cylinder (22) extends to the outside of the chromatograph body (1).

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