Adjustable automatic titration device

Abstract

The utility model discloses an adjustable automatic titration device which comprises a working table, a supporting disc is rotationally connected to the outer wall of the top of the working table, a dropper is arranged at the top of the supporting disc, sliding grooves distributed in a central symmetry mode are formed in the outer wall of the top of the supporting disc, and screw rods are connected to the inner portions of the sliding grooves through bearings. A rotary knob is fixed to one end, extending out of the supporting disc, of the screw rod, a sliding block is slidably connected into the sliding groove and connected with the screw rod through threads, and a clamping block is fixed to the outer wall of the top of the sliding block. According to the utility model, the sliding blocks are driven to move through the screw rod, so that when the sliding blocks drive the clamping blocks to move, the conical flasks can be clamped and fixed by the four clamping blocks, and the positions of the four sliding blocks can be adjusted, so that the conical flasks with various specifications can be fixed on the supporting disc, and the titration device is better in use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of titration devices, in particular to an adjustable automatic titration device. Background Art

[0002] The titration device is a device that drops the test solution into the solution to be tested. It replaces manual titration of the test solution by automatic titration, so that the test solution inside the dropper drips out evenly.

[0003] Chinese patent application No. 201920291969.7 discloses an automatic titration device, comprising a horizontal base, on which a vertical column and a horizontal support plate are provided, and a vertical connecting shaft is provided at the bottom of the support plate, wherein the connecting shaft is rotatably mounted on the base, and the connecting shaft is connected to a first driving mechanism for driving the connecting shaft to rotate. When the automatic titration device in the above patent is in use, only one type of conical flask can be placed on its support plate, and it is impossible to fix conical flasks of various specifications by adjusting them, thereby making the titration device less effective. Therefore, it is urgent to design an adjustable automatic titration device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable automatic titration device to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] An adjustable automatic titration device includes a workbench, the top outer wall of the workbench is rotatably connected to a support plate, a dropper is provided on the top of the support plate, and a slide groove is opened on the top outer wall of the support plate in a centrally symmetrical distribution. The internal bearing of the slide groove is connected to a screw, one end of the screw extends to the outside of the support plate and is fixed with a knob, the inside of the slide groove is slidably connected to a slider, the slider is connected to the screw by a thread, and a clamping block is fixed to the top outer wall of the slider.

[0007] Furthermore, one end of the connecting shaft of the turntable passes through the workbench and is fixed with a connecting plate, a fixing frame is fixed to the bottom outer wall of the workbench, a motor is fixed to the bottom outer wall of the fixing frame, the output shaft of the motor passes through the fixing frame and is fixed to the turntable, a connecting column is fixed to the top outer wall of the turntable, a connecting groove is opened on the bottom outer wall of the connecting plate, and the connecting column extends to the inside of the connecting groove.

[0008] Furthermore, a scale is provided on the top outer wall of the support plate, and the scale is located on one side of the slide groove, and an indicator line is provided on the top outer wall of the slider.

[0009] Furthermore, one side of the dropper is connected to a drainage mechanism, a movable seat is fixed to the bottom of the drainage mechanism, a vertical pole is fixed to the top outer wall of the workbench, and the movable seat is movably sleeved on the outside of the vertical pole.

[0010] Furthermore, a locking bolt is threadedly connected to an outer wall of one side of the movable seat, and one end of the locking bolt is in conflict with the vertical rod.

[0011] Furthermore, an arc groove is formed on an outer wall of one side of the clamping block, and a protective layer is provided inside the arc groove.

[0012] In the above technical scheme, the utility model provides an adjustable automatic titration device with the following beneficial effects: the slider is driven to move by the screw, so that when the slider drives the clamping block to move, the four clamping blocks can clamp and fix the conical flask, and the positions of the four sliders can be adjusted, so that the support plate can fix conical flasks of various specifications, thereby making the titration device more effective when used; the turntable is driven to rotate by the set motor, so that the turntable drives the connecting plate to rock back and forth through the connecting column, thereby realizing that the support plate can drive the conical flask to rotate back and forth, compared with when the conical flask rotates in one direction, the detection solution and the solution to be tested can be efficiently mixed; the movable seat slides on the outside of the vertical rod, and the movable seat is locked and fixed to the vertical rod by the locking bolt, so that the dropper can be adjusted in height, and then can be adjusted to the bottle mouth of the conical flask, so that the detection solution is not easy to spill during titration. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 The present invention provides a schematic diagram of the main structure of an adjustable automatic titration device embodiment.

[0015] Figure 2 This is a schematic diagram of the support plate structure provided in an embodiment of an adjustable automatic titration device of the utility model.

[0016] Figure 3 The present invention provides a schematic diagram of the connecting groove structure of an adjustable automatic titration device embodiment.

[0017] Figure 4 This is a schematic diagram of the enlarged structure of point A provided in an embodiment of an adjustable automatic titration device of the present invention.

[0018] Figure 5 This is a schematic diagram of the enlarged structure of point B provided in an embodiment of an adjustable automatic titration device of the utility model.

[0019] Description of reference numerals:

[0020] 1 workbench, 2 support plate, 3 moving seat, 4 locking bolt, 5 drainage mechanism, 6 dropper, 7 slide, 8 screw, 9 scale, 10 knob, 11 slider, 12 clamping block, 13 arc groove, 14 protective layer, 15 indicator line, 16 connecting plate, 17 fixing frame, 18 motor, 19 turntable, 20 connecting column, 21 connecting groove, 22 vertical pole. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-5 As shown, an adjustable automatic titration device provided by an embodiment of the present invention includes a workbench 1, the top outer wall of the workbench 1 is rotatably connected to a support plate 2, a dropper 6 is provided on the top of the support plate 2, and a slide groove 7 is opened on the top outer wall of the support plate 2 in a centrally symmetrical distribution. The internal bearing of the slide groove 7 is connected to a screw rod 8, one end of the screw rod 8 extends to the outside of the support plate 2 and is fixed with a knob 10, the inside of the slide groove 7 is slidably connected to a slider 11, the slider 11 is threadedly connected to the screw 8, and a clamping block 12 is fixed to the top outer wall of the slider 11.

[0023] Specifically, in this embodiment, a workbench 1 is included, the top outer wall of the workbench 1 is rotatably connected to a support plate 2, a conical flask is placed on the support plate 2 during titration, a dropper 6 is provided on the top of the support plate 2, the inside of the dropper 6 is filled with a detection solution, the dropper 6 has a scale line for measuring the volume of the liquid, the dropper 6 is located on the rotation axis of the support plate 2, the top outer wall of the support plate 2 is provided with a chute 7 distributed symmetrically in the center, the number of the chute 7 is preferably 4, the internal bearing of the chute 7 is connected to a screw 8, one end of the screw 8 extends to the outside of the support plate 2 and is fixed with a knob 10, through The knob 10 facilitates the rotation of the screw 8. The slide block 11 is slidably connected to the inside of the slide groove 7. The slide block 11 is threadedly connected to the screw 8. When the screw 8 rotates, it can drive the slide block 11 to move. A clamping block 12 is fixed to the top outer wall of the slider 11. When the slider 11 moves, the clamping block 12 is driven to move, so that the four clamping blocks 12 can clamp and fix the conical flask. An arc groove 13 is provided on the outer wall of one side of the clamping block 12. The arc groove 13 is used to fix the conical flask more firmly. A protective layer 14 is provided inside the arc groove 13 to prevent the clamping block 12 from scratching the conical flask.

[0024] The utility model provides an adjustable automatic titration device. Because the amount of the test solution is different in different titration experiments, sometimes it is necessary to use conical flasks of different sizes to hold the test solution. The screw 8 drives the slider 11 to move, so that when the slider 11 drives the clamping block 12 to move, the four clamping blocks 12 can clamp and fix the conical flask, and the positions of the four sliders 11 can be adjusted, so that the support plate 2 can fix conical flasks of various sizes, thereby making the titration device more effective when used.

[0025] In another embodiment provided by the present invention, one end of the connecting shaft of the turntable 19 passes through the workbench 1 and is fixed with a connecting plate 16. The connecting plate 16 is parallel to the workbench 1, and a fixing frame 17 is fixed to the bottom outer wall of the workbench 1. A motor 18 is fixed to the bottom outer wall of the fixing frame 17. The output shaft of the motor 18 passes through the fixing frame 17 and is fixed with a turntable 19. The motor 18 drives the turntable 19 to rotate. A connecting column 20 is fixed to the top outer wall of the turntable 19. A connecting groove 21 is opened on the bottom outer wall of the connecting plate 16. The connecting column 20 extends to the inside of the connecting groove 21. The turntable 19 is rotated by the set motor 18, so that the turntable 19 drives the connecting plate 16 to rock back and forth through the connecting column 20, thereby realizing that the support plate 2 can drive the conical flask to rotate back and forth. Compared with when the conical flask rotates in one direction, the detection solution and the solution to be tested can be efficiently mixed.

[0026] In another embodiment provided by the present invention, a scale 9 is provided on the top outer wall of the support plate 2, and the scale 9 is located on one side of the slide groove 7. An indicator line 15 is provided on the top outer wall of the slider 11. The indicator line 15 and the scale 9 are used to adjust the four sliders 11 to a centrally symmetrical position, thereby facilitating fixing the conical flask in the center position of the support plate 2; a discharge mechanism 5 is connected to one side of the dropper 6, and the discharge mechanism 5 is sealed with the dropper 6. The discharge mechanism 5 is a prior art. The discharge mechanism 5 can slowly and steadily pressurize air into the interior of the dropper 6, so that the detection solution inside the dropper 6 slowly and steadily drips into the conical flask, and The dropper 6 can be easily disassembled from the drainage mechanism 5, so that the dropper 6 is easy to clean. A movable seat 3 is fixed to the bottom of the drainage mechanism 5, and a vertical rod 22 is fixed to the top outer wall of the workbench 1. The movable seat 3 is movably sleeved on the outside of the vertical rod 22; a locking bolt 4 is threadedly connected to the outer wall of one side of the movable seat 3, and one end of the locking bolt 4 is in conflict with the vertical rod 22. The movable seat 3 slides on the outside of the vertical rod 22, and the movable seat 3 is locked and fixed to the vertical rod 22 through the locking bolt 4, so that the dropper 6 can be adjusted in height, and then can be adjusted to the bottle mouth of the conical flask, so that the detection solution is not easy to spill or splash during titration.

[0027] Working principle: When in use, the conical flask containing the solution to be tested is placed in the center position of the support disk 2, and then the knob 10 is rotated, so that the knob 10 drives the screw 8 to rotate, and the rotation of the screw 8 drives the slider 11 to move, and then the slider 11 drives the clamping block 12 to approach the conical flask, so that the four clamping blocks 12 can clamp and fix the conical flask; after the dropper 6 is connected to the discharge mechanism 5 and the test solution is sucked in, the amount of the test solution in the conical flask and the test solution inside the dropper 6 is recorded respectively, and then the motor 18 drives the turntable 19 to rotate, so that the turntable 19 drives the connecting column 20 to move, and the movement of the connecting column 20 drives the connecting plate 16 to swing back and forth, so that the connecting plate 16 drives the support disk 2 and the conical flask to rotate back and forth, and then the test solution inside the dropper 6 is slowly and evenly dripped out through the discharge mechanism 5, so that after the test solution drips into the conical flask, it can be efficiently mixed with the test solution through reciprocating rotation.

[0028] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An adjustable automatic titration device, characterized in that: The invention comprises a workbench (1), wherein the top outer wall of the workbench (1) is rotatably connected to a support plate (2), a dropper (6) is provided on the top of the support plate (2), a sliding groove (7) distributed symmetrically with the center is opened on the top outer wall of the support plate (2), an internal bearing of the sliding groove (7) is connected to a screw rod (8), one end of the screw rod (8) extends to the outside of the support plate (2) and is fixed with a knob (10), the inside of the sliding groove (7) is slidably connected to a slider (11), the slider (11) is connected to the screw rod (8) by a thread, a clamping block (12) is fixed to the top outer wall of the slider (11), and the number of the clamping blocks (12) is four, a scale (9) is provided on the top outer wall of the support plate (2), and the scale (9) is located on one side of the sliding groove (7), and an indicator line (15) is provided on the top outer wall of the slider (11).

2. An adjustable automatic titration device according to claim 1, characterized in that: One end of the connecting shaft of the turntable (19) passes through the workbench (1) and is fixed with a connecting plate (16); a fixing frame (17) is fixed to the bottom outer wall of the workbench (1); a motor (18) is fixed to the bottom outer wall of the fixing frame (17); an output shaft of the motor (18) passes through the fixing frame (17) and is fixed with the turntable (19); a connecting column (20) is fixed to the top outer wall of the turntable (19); a connecting groove (21) is opened on the bottom outer wall of the connecting plate (16); and the connecting column (20) extends to the inside of the connecting groove (21).

3. An adjustable automatic titration device according to claim 1, characterized in that: One side of the dropper (6) is connected to a drainage mechanism (5), a movable seat (3) is fixed to the bottom of the drainage mechanism (5), a vertical rod (22) is fixed to the top outer wall of the workbench (1), and the movable seat (3) is movably sleeved on the outside of the vertical rod (22).

4. An adjustable automatic titration device according to claim 3, characterized in that: A locking bolt (4) is threadedly connected to an outer wall of one side of the movable seat (3), and one end of the locking bolt (4) is in contact with the vertical rod (22).

5. The adjustable automatic titration device according to claim 1, characterized in that: An arc groove (13) is formed on one outer wall of the clamping block (12), and a protective layer (14) is provided inside the arc groove (13).

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