Diluting device for laboratory reagent preparation

Abstract

The utility model relates to the technical field of laboratory reagent preparation, in particular to a diluting device for laboratory reagent preparation. According to the technical scheme, the device comprises a box body, a dilution barrel is installed at the top end of the box body, an end cover is installed at the top end of the dilution barrel, the bottom end of the interior of the box body is connected with a mounting plate through a buffering and damping mechanism, a gear motor is installed on the upper surface of the mounting plate, and an output shaft on the gear motor is connected with a rotating shaft through a coupler; and the other end of the rotating shaft sequentially penetrates through the sealing bearing in the center of the top end of the box body and the sealing bearing in the center of the bottom end of the diluting barrel and extends into the diluting barrel, a stirring rod and a spiral blade are installed on the outer wall of the rotating shaft, and the stirring rod is located above the spiral blade. The reagent diluting device is small in overall size, convenient for experimenters to carry and transfer, convenient for the experimenters to stably place the reagent diluting device, and high in stability and practicability in the reagent preparing and diluting process.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory reagent preparation, in particular to a diluting device for laboratory reagent preparation. Background Art

[0002] When testing chemical reagents, they need to be diluted to obtain reagents of different concentrations for testing. At this time, dilution equipment for reagent preparation is required.

[0003] After searching, the patent announcement number CN207307711U discloses a chemical reagent dilution device, a heating device is fixed inside the base, the heating device includes a shell, a heating tube, a temperature sensor and a control panel, the shell is fixed inside the base, the heating tube and the temperature sensor are fixed on the inner wall of the bottom of the shell, the control panel is fixed on one side of the base, the temperature sensor is electrically connected to the control panel, the control panel is electrically connected to the temperature sensor, the support platform is fixed on the side of the base away from the control panel, the height adjustment device is fixed on the support platform, and a support plate is fixed on one side of the height adjustment device. This chemical reagent dilution device sets the temperature and controls the operation of the heating tube through the control panel. The heat in the water body diffuses the heat to the reagent container through heat transfer, thereby realizing heating and heating of the reagent. By rotating the handle, the rotation of the stirring rod and the reagent in the container stir the reagent, so that the reagent is diluted more fully.

[0004] In actual use of the existing dilution device for laboratory reagent preparation, experimenters generally use a reagent dilution cylinder and a stirring rod to dilute and stir the reagent in the reagent cylinder, which is labor-intensive, and the reagent has poor stability during the dilution and stirring process. In addition, the reagent is likely to splash to the outside and pollute the experimental environment during the dilution and stirring process. Therefore, we propose a dilution device for laboratory reagent preparation to solve the existing problems. Utility Model Content

[0005] The purpose of the utility model is to provide a diluting device for laboratory reagent preparation to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dilution device for laboratory reagent preparation, comprising a box, a dilution cylinder is installed on the top of the box, an end cover is installed on the top of the dilution cylinder, the bottom end of the box is connected to the mounting plate through a buffer shock-absorbing mechanism, a reduction motor is installed on the upper surface of the mounting plate, the output shaft on the reduction motor is connected to the rotating shaft through a coupling, the other end of the rotating shaft sequentially penetrates the sealed bearing at the center position of the top of the box and the sealed bearing at the center position of the bottom end of the dilution cylinder and extends to the interior of the dilution cylinder, a stirring rod and a spiral blade are installed on the outer wall of the rotating shaft, the stirring rod is located above the spiral blade, and the stirring rod and the spiral blade are both located inside the dilution cylinder, and a suction cup is installed at the bottom end of the box.

[0007] Preferably, a first U-shaped handle is installed on the upper surface of the end cover, and a positioning column is installed on the lower surface of the end cover. There are four positioning columns, and the four positioning columns are distributed in a ring array. The other end of the positioning column is installed in the positioning hole, and the outer wall of the positioning column and the hole wall of the positioning hole are connected with a gap.

[0008] Preferably, the positioning holes are opened at the top of the dilution cylinder, there are four positioning holes, and the four positioning holes are distributed in a ring array, a magnet block is installed at the other end of the positioning column, an electromagnet is installed in the positioning hole, and the magnet block and the electromagnet are magnetically connected.

[0009] Preferably, a second U-shaped handle is provided on one side of the outer wall of the dilution cylinder, and a transparent observation window is provided on the front end wall of the dilution cylinder.

[0010] Preferably, a battery is installed on one side of the bottom end of the box body, a safety door is provided on the front end face of the box body, a safety lock is provided on the safety door, and heat dissipation slots are provided on both sides of the outer wall of the box body.

[0011] Preferably, the buffer shock absorbing mechanism includes a second fixed plate, a first connecting column, a second connecting column, a mounting slot, a limiting slot, a limiting block, a spring, a first fixed plate, a buffer plate and a damping cylinder. A mounting slot is opened at the top center position of the first connecting column, and the bottom end of the inner side of the mounting slot is connected to the buffer plate through the damping cylinder. There is a gap connection between the outer wall of the buffer plate and the hole wall of the mounting slot, and a spring is sleeved on the outer side of the outer wall of the damping cylinder. The other side surface of the buffer plate is connected to the second fixed plate through the second connecting column, and the first fixed plate is installed at the bottom end of the first connecting column.

[0012] Preferably, the first fixing plate is fixedly connected to the bottom end of the box body by fastening bolts, the second fixing plate is fixedly connected to the mounting plate by fastening bolts, limiting blocks are installed on both sides of the outer wall of the buffer plate, the other end of the limiting block is installed in the limiting slot, the outer wall of the limiting block and the hole wall of the limiting slot are connected with a gap, and the limiting slot is opened on both sides of the hole wall of the mounting slot.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a series of coordinated structures. When the experimenter dilutes the experimental reagent, the experimenter pours the reagent to be diluted into the dilution cylinder and adds the diluent in a quantitative manner. After the experimenter installs the end cover to the top of the dilution cylinder, the experimenter starts the reduction motor. The start of the reduction motor will drive the stirring rod and the spiral blades on the outer wall of the rotating shaft to rotate. The rotation of the stirring rod can stir the liquid in the dilution cylinder, and the rotation of the spiral blade can transport the liquid at the bottom of the dilution cylinder upward, thereby increasing the fluidity of the liquid, thereby effectively improving the effect of reagent dilution and mixing, and there is no need to manually dilute, stir and mix the reagent, thereby reducing labor intensity.

[0015] 2. The utility model sets a buffering and shock absorbing mechanism, and the reduction motor will generate certain vibrations when working. At this time, the damping cylinder, spring and other structures on the buffering and shock absorbing mechanism can play a role of buffering and shock absorption, reducing the vibration generated by the reduction motor when working, thereby improving the stability of the utility model during actual use, and avoiding the occurrence of large shaking of the utility model during actual use. Through the setting of the suction cup, when the experimenter places the utility model, the experimenter adsorbs the suction cup of the utility model to the table top of the laboratory bench, so that the experimenter can place the utility model stably, and also avoids the occurrence of sliding between the utility model and the laboratory bench, which has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A local enlarged structural diagram of the part;

[0019] Figure 4 It is a cross-sectional view of the buffer shock absorbing mechanism of the utility model.

[0020] In the figure: 1. first U-shaped handle; 2. end cover; 3. junction box; 4. control button; 5. transparent observation window; 6. dilution cylinder; 7. second U-shaped handle; 8. box; 9. heat dissipation slot; 10. suction cup; 11. safety door; 12. safety lock; 13. stirring rod; 14. rotating shaft; 15. spiral blade; 16. battery; 17. buffer shock absorption mechanism; 1701. second fixing plate; 1702. first connecting column; 1703. second connecting column; 1704. mounting slot; 1705. limiting slot; 1706. limiting block; 1707. spring; 1708. first fixing plate; 1709. buffer plate; 1710. damping cylinder; 18. reduction motor; 19. mounting plate; 20. positioning column; 21. positioning hole; 22. magnet block; 23. electromagnet. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1

[0023] like Figure 1-4 As shown, the utility model proposes a dilution device for laboratory reagent preparation, including a box body 8, a dilution cylinder 6 is installed on the top of the box body 8, an end cover 2 is installed on the top of the dilution cylinder 6, the bottom end of the inside of the box body 8 is connected to the mounting plate 19 through a buffer shock absorbing mechanism 17, a reduction motor 18 is installed on the upper surface of the mounting plate 19, the output shaft on the reduction motor 18 is connected to the rotating shaft 14 through a coupling, the other end of the rotating shaft 14 passes through the sealed bearing at the center position of the top of the box body 8 and the sealed bearing at the center position of the bottom end of the dilution cylinder 6 in sequence and extends to the inside of the dilution cylinder 6, a stirring rod 13 and a spiral blade 15 are installed on the outer wall of the rotating shaft 14, the stirring rod 13 is located above the spiral blade 15, and the stirring rod 13 and the spiral blade 15 are both located inside the dilution cylinder 6, and a suction cup 10 is installed at the bottom end of the box body 8.

[0024] The working principle of the dilution device for laboratory reagent preparation based on the first embodiment is: when the experimenter dilutes the experimental reagent, the experimenter pours the reagent to be diluted into the dilution cylinder 6 and adds the diluent in a quantitative manner. After the experimenter installs the end cover 2 to the top of the dilution cylinder 6, the experimenter starts the reduction motor 18. The reduction motor 18 starts and drives the stirring rod 13 and the spiral blade 15 on the outer wall of the rotating shaft 14 to rotate. The stirring rod 13 rotates to stir the liquid in the dilution cylinder 6, and the spiral blade 15 rotates to transport the liquid at the bottom of the dilution cylinder 6 upward, which increases the fluidity of the liquid, thereby effectively improving the effect of reagent dilution and mixing, and there is no need to manually dilute, stir and mix the reagent. , reducing labor intensity, the reduction motor 18 will generate certain vibrations when working, at this time, the damping cylinder 1710, spring 1707 and other structures on the buffer shock absorbing mechanism 17 can play a role of buffering and shock absorption, reducing the vibration generated by the reduction motor 18 when working, thereby improving the stability of the utility model during actual use, and avoiding the occurrence of large shaking of the utility model during actual use. Through the setting of the suction cup 10, when the experimenter places the utility model, the experimenter adsorbs the suction cup 10 of the utility model to the table top of the laboratory bench, so as to facilitate the experimenter to place the utility model firmly, and also avoid the occurrence of sliding between the utility model and the laboratory bench.

[0025] Embodiment 2

[0026] like Figure 1-4As shown, the utility model proposes a dilution device for laboratory reagent preparation. Compared with the first embodiment, the present embodiment further includes: a first U-shaped handle 1 is installed on the upper surface of the end cover 2, and a positioning column 20 is installed on the lower surface of the end cover 2. There are four positioning columns 20, and the four positioning columns 20 are distributed in a ring array. The other end of the positioning column 20 is installed in the positioning hole 21, and the outer wall of the positioning column 20 is connected with the hole wall of the positioning hole 21 by a gap. The positioning hole 21 is opened at the top of the dilution cylinder 6. There are four positioning holes 21, and the four positioning holes 21 are distributed in a ring array. The positioning column 20 A magnet block 22 is installed at the other end, an electromagnet 23 is installed in the positioning hole 21, and the magnet block 22 and the electromagnet 23 are magnetically connected. A second U-shaped handle 7 is provided on one side of the outer wall of the dilution cylinder 6, and a transparent observation window 5 is provided on the front end wall of the dilution cylinder 6. A battery 16 is installed on one side of the bottom end of the box body 8. A safety door 11 is provided on the front end surface of the box body 8, and a safety lock 12 is provided on the safety door 11. Heat dissipation slots 9 are provided on both sides of the outer wall of the box body 8. The buffer shock absorbing mechanism 17 includes a second fixing plate 1701, a first connecting column 1702, a second connecting column 1703, and an installation The slot hole 1704, the limiting slot hole 1705, the limiting block 1706, the spring 1707, the first fixing plate 1708, the buffer plate 1709 and the damping cylinder 1710 are provided. The center position of the top end of the first connecting column 1702 is provided with a mounting slot hole 1704. The bottom end of the inner side of the mounting slot hole 1704 is connected to the buffer plate 1709 through the damping cylinder 1710. The outer wall of the buffer plate 1709 is connected with the hole wall of the mounting slot hole 1704 through a gap. The outer side of the outer wall of the damping cylinder 1710 is sleeved with a spring 1707. The other side surface of the buffer plate 1709 is connected to the second connecting column 170 3 is connected to the second fixing plate 1701, the bottom end of the first connecting column 1702 is installed with a first fixing plate 1708, the first fixing plate 1708 is fixedly connected to the bottom end of the box body 8 by fastening bolts, the second fixing plate 1701 is fixedly connected to the mounting plate 19 by fastening bolts, both sides of the outer wall of the buffer plate 1709 are installed with limiting blocks 1706, the other end of the limiting block 1706 is installed in the limiting slot 1705, the outer wall of the limiting block 1706 and the hole wall of the limiting slot 1705 are connected with a gap, and the limiting slot 1705 is provided on both sides of the hole wall of the mounting slot 1704.

[0027] In the present embodiment, since there is a gap connection between the outer wall of the positioning column 20 and the hole wall of the positioning hole 21, and there is a magnetic connection between the magnet block 22 and the electromagnet 23, it is convenient for the experimenter to disassemble and assemble the end cover 2. The second U-shaped handle 7 is provided to facilitate the experimenter to carry and transport the utility model. The transparent observation window 5 is provided so that the experimenter can observe the dilution and mixing of the reagents through the transparent observation window 5. The battery 16 is provided so that the battery 16 can provide electric energy for the utility model when it is difficult to connect the utility model to an external power supply. The heat dissipation slots 9 are provided so that the heat dissipation slots 9 can provide natural ventilation and heat dissipation for the interior of the box body 8. Since there is a gap connection between the outer wall of the buffer plate 1709 and the hole wall of the installation slot 1704, there is a gap connection between the outer wall of the limit block 1706 and the hole wall of the limit slot 1705, which can play a role of limiting and guiding the movement of the buffer plate 1709.

[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A dilution device for laboratory reagent preparation, comprising a housing (8), characterized in that: A dilution cylinder (6) is installed at the top of the box (8), and an end cover (2) is installed at the top of the dilution cylinder (6). The bottom end of the box (8) is connected to a mounting plate (19) via a buffering and shock absorbing mechanism (17). A reduction motor (18) is installed on the upper surface of the mounting plate (19). The output shaft on the reduction motor (18) is connected to a rotating shaft (14) via a coupling. The other end of the rotating shaft (14) passes through a sealed bearing at the center position of the top of the box (8) and a sealed bearing at the center position of the bottom of the dilution cylinder (6) in sequence and extends into the interior of the dilution cylinder (6). A stirring rod (13) and a spiral blade (15) are installed on the outer wall of the rotating shaft (14). The stirring rod (13) is located above the spiral blade (15), and the stirring rod (13) and the spiral blade (15) are both located inside the dilution cylinder (6). A suction cup (10) is installed at the bottom end of the box (8).

2. A diluting device for laboratory reagent preparation according to claim 1, characterized in that: A first U-shaped handle (1) is mounted on the upper surface of the end cover (2), and a positioning column (20) is mounted on the lower surface of the end cover (2). There are four positioning columns (20), and the four positioning columns (20) are distributed in a ring array. The other end of the positioning column (20) is mounted in the positioning hole (21), and the outer wall of the positioning column (20) is connected to the hole wall of the positioning hole (21) with a gap.

3. A diluting device for laboratory reagent preparation according to claim 2, characterized in that: The positioning holes (21) are provided at the top end of the dilution cylinder (6), there are four positioning holes (21), and the four positioning holes (21) are distributed in a ring-shaped array, a magnet block (22) is installed at the other end of the positioning column (20), an electromagnet (23) is installed in the positioning hole (21), and the magnet block (22) and the electromagnet (23) are magnetically connected.

4. A diluting device for laboratory reagent preparation according to claim 1, characterized in that: A second U-shaped handle (7) is provided on one side of the outer wall of the dilution cylinder (6), and a transparent observation window (5) is provided on the front end wall of the dilution cylinder (6).

5. A diluting device for laboratory reagent preparation according to claim 1, characterized in that: A storage battery (16) is installed on one side of the bottom end of the box body (8), a safety door (11) is provided on the front end surface of the box body (8), a safety lock (12) is provided on the safety door (11), and heat dissipation slots (9) are provided on both sides of the outer wall of the box body (8).

6. A diluting device for laboratory reagent preparation according to claim 1, characterized in that: The buffer shock absorbing mechanism (17) comprises a second fixing plate (1701), a first connecting column (1702), a second connecting column (1703), a mounting slot (1704), a limiting slot (1705), a limiting block (1706), a spring (1707), a first fixing plate (1708), a buffer plate (1709) and a damping cylinder (1710), wherein a mounting slot (1704) is provided at the center of the top end of the first connecting column (1702), and the mounting slot (1704) is provided at the center of the top end of the first connecting column (1702). 4) The inner bottom end is connected to the buffer plate (1709) through the damping cylinder (1710), the outer wall of the buffer plate (1709) and the hole wall of the mounting slot hole (1704) are connected with a gap, and a spring (1707) is sleeved on the outer side of the outer wall of the damping cylinder (1710), and the other side surface of the buffer plate (1709) is connected to the second fixed plate (1701) through the second connecting column (1703), and the bottom end of the first connecting column (1702) is installed with the first fixed plate (1708).

7. A diluting device for laboratory reagent preparation according to claim 6, characterized in that: The first fixing plate (1708) is fixedly connected to the bottom end of the box body (8) by fastening bolts, and the second fixing plate (1701) is fixedly connected to the mounting plate (19) by fastening bolts. Limiting blocks (1706) are installed on both sides of the outer wall of the buffer plate (1709), and the other end of the limiting block (1706) is installed in the limiting slot hole (1705). There is a gap connection between the outer wall of the limiting block (1706) and the hole wall of the limiting slot hole (1705), and the limiting slot hole (1705) is opened on both sides of the hole wall of the mounting slot hole (1704).

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