Constant-speed automatic dripping device for chemical reaction

Abstract

The utility model discloses a uniform-speed automatic dripping device for chemical reaction, and relates to the technical field of dripping devices. The device comprises a base, a lifting assembly is arranged on the base, and a dropwise adding assembly is arranged on the lifting assembly; the dropwise adding assembly comprises a supporting plate, a folding dropwise adding barrel is fixedly arranged at the top end of the supporting plate, and a dropwise adding nozzle is fixedly arranged at the bottom end of the folding dropwise adding barrel; a first fan-shaped toothed plate drives a movable frame to move downwards through a first rack, the movable frame drives a connecting rod to move, the connecting rod drives a pressing disc to move, and the pressing disc extrudes a folding dripping barrel, so that liquid in the folding dripping barrel drips into a chemical vessel from a dripping nozzle, and the situation that errors exist in continuous operation can be avoided; therefore, the purpose of reducing errors is achieved; a square rod drives a threaded rod to rotate through a square groove, so that the threaded rod drives a movable rod to move on a fixed rod, the movable rod drives a dropwise adding assembly to move to a proper height, and the height of the dropwise adding assembly can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of dripping devices, in particular to a chemical reaction uniform speed automatic dripping device. Background Art

[0002] A chemical reaction is a process in which molecules break into atoms and atoms rearrange and recombine to form new molecules. The reaction is often accompanied by light emission, heat generation, color change, and precipitation. The basis for judging whether a reaction is a chemical reaction is whether the reaction generates new molecules. In chemical experiments, reagents are often added to check the chemical reaction.

[0003] Most existing dripping devices require manual cooperation for continuous quantitative dripping, but manual operation is prone to errors, which in turn affects the experimental results. Utility Model Content

[0004] In order to solve the problem that manual continuous quantitative dripping is prone to errors, the utility model aims to provide a chemical reaction uniform speed automatic dripping device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a chemical reaction uniform speed automatic dripping device, comprising a base, a lifting assembly is arranged on the base, and a dripping assembly is arranged on the lifting assembly; the dripping assembly comprises a support plate, a folding dripping bucket is fixedly arranged on the top end of the support plate, a dripping nozzle is fixedly arranged on the bottom end of the folding dripping bucket, one end of the dripping nozzle movably penetrates the support plate, a fixing plate is fixedly arranged on the top end of the support plate, a guide plate is fixedly arranged on one side of the fixing plate, and a connecting rod is movably penetrated in the middle of the guide plate The bottom end of the connecting rod is fixed with a pressure plate, the top end of the connecting rod is fixed with a movable frame, one side of the fixed plate is rotatably installed with a rotating shaft, the outer fixed sleeve of the rotating shaft is provided with a first sector-shaped toothed plate, the inner wall of the movable frame is fixed with a first rack, the first sector-shaped toothed plate is meshed with the first rack, the folding drip bucket has a certain elastic force when it is squeezed, the first sector-shaped toothed plate is driven to rotate by the rotating shaft, the first sector-shaped toothed plate drives the movable frame to move downward through the first rack, the movable frame drives the connecting rod to move, the connecting rod drives the pressure plate to move, and the pressure plate has an impact on the folding drip bucket The barrel is squeezed to make the liquid in the foldable dripping barrel drip from the dripping nozzle into the chemical container, and the foldable dripping barrel is restored by its own elastic force, so that the situation of continuous operation with errors can be avoided. The outer fixed sleeve of the rotating shaft is provided with a second sector tooth plate, and the interior of the movable frame is fixedly provided with a second rack, and the second sector tooth plate is used in conjunction with the second rack, and the second sector tooth plate is meshed with the second rack through the second sector tooth plate, and the second sector tooth plate drives the movable frame to move upward and reset through the second rack, and a first motor is rotatably installed on one side of the fixed plate, and the end of the output shaft of the first motor movably passes through the fixed plate and is fixedly connected to one end of the rotating shaft, and the first motor can provide power for the rotating shaft, and a notch is provided on the side of the movable frame away from the second rack, and the notch is used with the second sector tooth plate, and the second sector tooth plate can be conveniently rotated through the notch, and the second sector tooth plate is vertically distributed with the first sector tooth plate, so that the first sector tooth plate can be conveniently disengaged from the meshing while the second sector tooth plate is meshed, and the second rack is mirror-imaged with the first rack, so that it is convenient to cooperate with the first sector tooth plate and the second sector tooth plate for use.

[0006] Preferably, the lifting assembly includes a fixing rod, the bottom end of the fixing rod is fixedly mounted on the base, the top end of the fixing rod is movably inserted with a movable rod, the top end of the movable rod is fixedly connected to one end of the support plate, a threaded rod is rotatably mounted inside the fixing rod, the top end of the threaded rod is threadedly inserted in the bottom end of the movable rod, a square groove is opened on the top end of the threaded rod, a square rod is fixedly arranged inside the movable rod, one end of the square rod is movably inserted in the inside of the square groove, the square rod drives the threaded rod to rotate through the square groove, so that the threaded rod drives the movable rod to move on the fixed rod, and the movable rod drives the dripping assembly to move to a suitable height, so that the height of the dripping assembly can be conveniently adjusted, and a second motor is fixedly provided on the top end of the movable rod, the end of the output shaft of the second motor movably passes through the movable rod and is fixedly connected to the top end of the square rod, and the second motor can provide power for the rotation of the square rod.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The first sector tooth plate drives the movable frame to move downward through the first rack, the movable frame drives the connecting rod to move, the connecting rod drives the pressure plate to move, the pressure plate squeezes the foldable dripping barrel, so that the liquid in the foldable dripping barrel drips from the dripping nozzle into the chemical container, and the foldable dripping barrel recovers through its own elastic force, which can avoid the situation where there is an error in continuous operation, thereby achieving the purpose of reducing the error;

[0009] 2. The square rod drives the threaded rod to rotate through the square groove, so that the threaded rod drives the movable rod to move on the fixed rod, and the movable rod drives the dripping assembly to move to a suitable height, so that the height of the dripping assembly can be easily adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 It is a schematic cross-sectional view of the lifting component structure of the utility model.

[0013] Figure 3 It is a schematic diagram of the structure of the dripping component of the utility model.

[0014] In the figure: 1. base; 2. lifting assembly; 21. fixed rod; 22. movable rod; 23. threaded rod; 24. square rod; 25. square groove; 26. second motor; 3. dripping assembly; 31. support plate; 32. foldable dripping bucket; 33. dripping nozzle; 34. fixed plate; 35. guide plate; 36. connecting rod; 37. pressure plate; 38. movable frame; 39. rotating shaft; 310. first sector tooth plate; 311. first rack; 312. second sector tooth plate; 313. second rack; 314. first motor; 315. notch. DETAILED DESCRIPTION

[0015] 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.

[0016] Example: Figure 1-3As shown, the utility model provides a chemical reaction uniform speed automatic dripping device, including a base 1, a lifting assembly 2 is arranged on the base 1, and a dripping assembly 3 is arranged on the lifting assembly 2; the dripping assembly 3 includes a support plate 31, a foldable dripping bucket 32 ​​is fixedly arranged on the top of the support plate 31, a dripping nozzle 33 is fixedly arranged on the bottom of the foldable dripping bucket 32, one end of the dripping nozzle 33 movably penetrates the support plate 31, a fixing plate 34 is fixedly arranged on the top of the support plate 31, a guide plate 35 is fixedly arranged on one side of the fixing plate 34, a connecting rod 36 is movably penetrated in the middle of the guide plate 35, a pressure plate 37 is fixedly arranged on the bottom end of the connecting rod 36, and a pressure plate 37 is fixedly arranged on the top end of the connecting rod 36. A movable frame 38 is fixedly provided, a rotating shaft 39 is rotatably installed on one side of the fixed plate 34, a first sector tooth plate 310 is fixedly sleeved on the outer side of the rotating shaft 39, a first rack 311 is fixedly provided on the inner wall of the movable frame 38, the first sector tooth plate 310 is meshed with the first rack 311, the folding drip bucket 32 ​​has a certain elastic force when being squeezed, the first sector tooth plate 310 is driven to rotate by the rotating shaft 39, the first sector tooth plate 310 drives the movable frame 38 to move downward through the first rack 311, the movable frame 38 drives the connecting rod 36 to move, the connecting rod 36 drives the pressure plate 37 to move, the pressure plate 37 squeezes the folding drip bucket 32, so that the folding drip bucket 32 The inner liquid agent drips into the chemical container from the drip nozzle 33, and the foldable drip bucket 32 ​​recovers by its own elastic force, which can avoid the situation where there is an error in continuous operation. The outer fixed sleeve of the rotating shaft 39 is provided with a second sector tooth plate 312, and the interior of the movable frame 38 is fixedly provided with a second rack 313. The second sector tooth plate 312 is used in conjunction with the second rack 313. The second sector tooth plate 312 is engaged with the second rack 313, and the second sector tooth plate 312 drives the movable frame 38 to move upward and reset through the second rack 313. A first motor 314 is rotatably installed on one side of the fixed plate 34, and the end of the output shaft of the first motor 314 movably penetrates the fixed plate 3 4 and is fixedly connected to one end of the rotating shaft 39, the first motor 314 can provide power for the rotating shaft 39, a notch 315 is provided on one side of the movable frame 38 away from the second rack 313, the notch 315 is used with the second sector tooth plate 312, the notch 315 can facilitate the rotation of the second sector tooth plate 312, the second sector tooth plate 312 is vertically distributed with the first sector tooth plate 310, so that the first sector tooth plate 310 can be disengaged while the second sector tooth plate 312 is engaged, the second rack 313 is mirror-imaged with the first rack 311, so that the first sector tooth plate 310 and the second sector tooth plate 312 can be conveniently used in conjunction.

[0017] The lifting assembly 2 includes a fixed rod 21, the bottom end of the fixed rod 21 is fixedly mounted on the base 1, a movable rod 22 is movably inserted at the top of the fixed rod 21, and the top of the movable rod 22 is fixedly connected to one end of the support plate 31, a threaded rod 23 is rotatably installed inside the fixed rod 21, the top of the threaded rod 23 is threadedly inserted in the bottom end of the movable rod 22, a square groove 25 is provided at the top of the threaded rod 23, a square rod 24 is fixedly arranged inside the movable rod 22, one end of the square rod 24 is movably inserted in the inside of the square groove 25, the square rod 24 drives the threaded rod 23 to rotate through the square groove 25, so that the threaded rod 23 drives the movable rod 22 to move on the fixed rod 21, and the movable rod 22 drives the dripping assembly 3 to move to a suitable height, so that the height of the dripping assembly 3 can be conveniently adjusted, and a second motor 26 is fixedly arranged at the top of the movable rod 22, and the end of the output shaft of the second motor 26 movably passes through the movable rod 22 and is fixedly connected to the top of the square rod 24, and the second motor 26 can provide power for the rotation of the square rod 24.

[0018] Working principle: First, move the device to the use position, and start the second motor 26, so that the second motor 26 starts to work, the end of the output shaft of the second motor 26 drives the square rod 24 to rotate, and the square rod 24 drives the threaded rod 23 to rotate through the square groove 25, so that the threaded rod 23 drives the movable rod 22 to move on the fixed rod 21, and the movable rod 22 drives the dripping assembly 3 to move to a suitable height, so that the height of the dripping assembly 3 can be easily adjusted, then, align the dripping nozzle 33 with the chemical container, and start the first motor 314, so that the first motor 314 starts to work, the end of the output shaft of the first motor 314 drives the rotating shaft 39 to rotate, and the rotating shaft 39 drives the first sector tooth plate 310 to rotate, and the first sector tooth plate 310 rotates through The first rack 311 drives the movable frame 38 to move downward, the movable frame 38 drives the connecting rod 36 to move, the connecting rod 36 drives the pressure plate 37 to move, the pressure plate 37 squeezes the foldable dripping bucket 32, so that the liquid in the foldable dripping bucket 32 ​​drips into the chemical container from the dripping nozzle 33, the first sector tooth plate 310 is disengaged from the first rack 311, and the second sector tooth plate 312 is engaged with the second rack 313, the second sector tooth plate 312 drives the movable frame 38 to move upward and reset through the second rack 313, after the pressure plate 37 is disengaged from the foldable dripping bucket 32, the foldable dripping bucket 32 ​​is restored by its own elastic force, and the above operation is repeated, so that the situation where there is an error in continuous operation can be avoided, thereby achieving the purpose of reducing the error.

[0019] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A chemical reaction uniform speed automatic dripping device, comprising a base (1), characterized in that: The base (1) is provided with a lifting assembly (2), and the lifting assembly (2) is provided with a dripping assembly (3); the dripping assembly (3) comprises a support plate (31), a foldable dripping bucket (32) is fixedly provided at the top end of the support plate (31), a dripping nozzle (33) is fixedly provided at the bottom end of the foldable dripping bucket (32), one end of the dripping nozzle (33) movably penetrates the support plate (31), a fixing plate (34) is fixedly provided at the top end of the support plate (31), and a guide plate (34) is fixedly provided at one side of the fixing plate (34). 5), a connecting rod (36) is movably passed through the middle of the guide plate (35), a pressure plate (37) is fixedly provided at the bottom end of the connecting rod (36), a movable frame (38) is fixedly provided at the top end of the connecting rod (36), a rotating shaft (39) is rotatably installed on one side of the fixed plate (34), a first sector-shaped tooth plate (310) is fixedly provided on the outer fixed sleeve of the rotating shaft (39), a first rack (311) is fixedly provided on the inner wall of the movable frame (38), and the first sector-shaped tooth plate (310) is meshed with the first rack (311).

2. A chemical reaction uniform speed automatic dripping device as claimed in claim 1, characterized in that: The lifting assembly (2) comprises a fixed rod (21), the bottom end of the fixed rod (21) is fixedly mounted on the base (1), a movable rod (22) is movably inserted into the top end of the fixed rod (21), the top end of the movable rod (22) is fixedly connected to one end of the support plate (31), a threaded rod (23) is rotatably mounted inside the fixed rod (21), the top end of the threaded rod (23) is threadedly inserted into the bottom end of the movable rod (22), a square groove (25) is formed at the top end of the threaded rod (23), a square rod (24) is fixedly mounted inside the movable rod (22), and one end of the square rod (24) is movably inserted into the inside of the square groove (25).

3. A chemical reaction uniform speed automatic dripping device as claimed in claim 1, characterized in that: A second sector-shaped tooth plate (312) is fixedly sleeved on the outer side of the rotating shaft (39), a second rack (313) is fixedly disposed inside the movable frame (38), and the second sector-shaped tooth plate (312) is used in conjunction with the second rack (313).

4. A chemical reaction uniform speed automatic dripping device as claimed in claim 1, characterized in that: A first motor (314) is rotatably mounted on one side of the fixed plate (34), and an end portion of an output shaft of the first motor (314) movably passes through the fixed plate (34) and is fixedly connected to one end of the rotating shaft (39).

5. A chemical reaction uniform speed automatic dripping device as claimed in claim 2, characterized in that: A second motor (26) is fixedly provided at the top end of the movable rod (22), and the end of the output shaft of the second motor (26) movably passes through the movable rod (22) and is fixedly connected to the top end of the square rod (24).

6. A chemical reaction uniform speed automatic dripping device as claimed in claim 3, characterized in that: A notch (315) is provided on a side of the movable frame (38) away from the second rack (313), and the notch (315) is used together with the second sector-shaped tooth plate (312).

7. A chemical reaction uniform speed automatic dripping device as claimed in claim 3, characterized in that: The second sector-shaped tooth plate (312) and the first sector-shaped tooth plate (310) are arranged vertically.

8. A chemical reaction uniform speed automatic dripping device as claimed in claim 3, characterized in that: The second rack (313) and the first rack (311) are distributed in a mirror image.

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