Bottle mouth liquid dispenser capable of accurately adjusting liquid outlet amount

Abstract

The utility model discloses a bottleneck liquid distributor capable of accurately adjusting liquid outlet quantity, which comprises a quantity control assembly, a PLC (programmable logic controller) processor, a base body assembly, a water absorption assembly, a laser distance measuring sensor and a positioning rod, the quantity control assembly comprises a mounting seat, a threaded sleeve, a threaded rod, a motor, a first sliding groove, a first sliding block and a limiting sliding rod; the base body assembly comprises a rotary valve module, a liquid inlet valve, a liquid suction pipe, a backflow pipe, a drainage valve and a filtering connector, the water suction assembly comprises a mounting shell, a second sliding block, a second sliding groove, a moving rod, a containing box, a piston, a clamping groove and a sealing ring, and the water suction assembly is arranged at the top of the base body assembly. The bottle mouth liquid dispenser capable of accurately adjusting the liquid outlet amount has the advantage of accurately adjusting the liquid outlet amount, and solves the problem that experimental data is inaccurate due to the fact that an experimenter generally controls the liquid outlet amount in a manual mode when using the bottle mouth liquid dispenser, but errors are easily caused by manual control.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle mouth liquid dispensers, in particular to a bottle mouth liquid dispenser capable of accurately adjusting the liquid output. Background Art

[0002] A bottle-mouth dispenser, also known as a bottle-mouth burette or dropper, is an instrument used for routine chemical analysis operations in laboratories. It is mainly used for quantitative droplet metering and can drop liquid into a container for experimental operations such as volume analysis, titration, and dilution. The bottle-mouth dispenser has an adjustable dripping speed and capacity, so it is very convenient and flexible.

[0003] In many experiments, it is necessary to accurately add a specific volume of liquid, which requires the use of a bottle-mouth dispenser. However, when using a bottle-mouth dispenser, experimenters generally control the liquid volume manually. However, manual control is prone to errors, resulting in inaccurate experimental data. Therefore, there is an urgent need for a bottle-mouth dispenser that can accurately adjust the liquid output to overcome the above defects. Utility Model Content

[0004] The utility model aims to provide a bottle mouth liquid dispenser capable of accurately adjusting the liquid output, which has the advantage of accurately adjusting the liquid output to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bottle mouth dispenser capable of accurately adjusting the amount of liquid discharged, comprising a quantity control component, a PLC processor, a base component, a water absorption component, a laser distance measuring sensor and a positioning rod, the quantity control component comprising a mounting seat, a threaded sleeve, a threaded rod, a motor, a first slide groove, a first slider and a limit slide rod, the base component comprising a rotary valve module, a liquid inlet valve, a liquid suction pipe, a reflux pipe, a drain valve and a filter joint, the water absorption component comprising a mounting shell, a second slider, a second slide groove, a moving rod, a containing box, a piston, a slot and a sealing ring, the water absorption component is arranged at the top of the base component, the positioning rod is arranged on the right side of the water absorption component, the quantity control component is arranged on the right side of the positioning rod, the PLC processor is arranged at the top of the quantity control component, the laser distance measuring sensor is arranged on the right side of the top of the base component, the liquid inlet valve is fixedly mounted at the bottom of the rotary valve module, the liquid suction pipe is connected to the bottom of the rotary valve module, and the reflux pipe is connected to the left side of the bottom of the rotary valve module.

[0006] Furthermore, the drain valve is connected to the left side of the rotary valve module, the filter joint is fixedly installed at the bottom of the suction tube, the PLC processor is fixedly installed on the top of the mounting seat, and the mounting seat is fixedly installed on the right side of the rotary valve module.

[0007] Furthermore, the bottom of the laser ranging sensor is fixedly connected to the top of the rotary valve module, the containing box is connected to the top of the rotary valve module, the piston is arranged in the inner cavity of the containing box, and the mounting shell is arranged on the surface of the containing box.

[0008] Furthermore, the card slot is opened at the top of the containing box, the sealing ring is fixedly installed in the inner cavity of the card slot, and the moving rod is arranged inside the sealing ring.

[0009] Furthermore, the bottom of the moving rod is fixedly connected to the top of the piston, the top of the moving rod is fixedly connected to the top of the inner cavity of the mounting shell, and the second sliding grooves are both opened on both sides of the inner cavity of the mounting shell.

[0010] Furthermore, the second sliding block slides in the inner cavity of the second sliding groove, and a relatively close side of the second sliding block is fixedly connected to two sides of the containing box.

[0011] Furthermore, the motor is fixedly mounted at the bottom of the inner cavity of the mounting seat, the threaded sleeve is arranged in the inner cavity of the mounting seat, and the inner thread of the threaded sleeve is connected with a threaded rod.

[0012] Furthermore, the top of the motor is fixedly connected to the bottom of the threaded rod, the top of the threaded rod is rotatably connected to the top of the inner cavity of the mounting seat through a bearing, the positioning rod is fixedly installed on the left side of the threaded sleeve, and the left side of the positioning rod is fixedly connected to the right side of the mounting shell.

[0013] Furthermore, the first slide groove is opened on the right side of the inner cavity of the mounting seat, the first slider slides in the inner cavity of the first slide groove, the left side of the first slider is fixedly connected to the right side of the threaded sleeve, the limiting slide rod slides in the inner cavity of the first slider, and the two sides of the limiting slide rod are fixedly connected to the inner cavity of the first slide groove.

[0014] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0015] The utility model drains the liquid by setting a base component, mainly controls the accuracy of the liquid output by setting a volume control component, mainly controls and coordinates the live equipment by setting a PLC processor, facilitates the transfer of the liquid by setting a water absorption component, and measures the moving distance by setting a laser distance measuring sensor. When in use, the drain valve is closed and the rotary valve module is opened. Under the action of the PLC processor, the motor rotates, and the motor drives the threaded rod to rotate, so that the threaded sleeve drives the positioning rod and the installation shell to move upward. Under the action of the installation shell, the moving rod drives the piston to move upward, and the solution passes through the filter joint in sequence. , the pipette and the rotary valve module enter the inner cavity of the containing box; when discharging, the rotary valve module is closed and the drain valve is opened; according to the required amount, the motor drives the threaded rod to rotate in the opposite direction; at the same time, the threaded sleeve drives the positioning rod and the mounting shell to move downward, so that the moving rod drives the piston to move downward, and the solution is discharged through the drain valve; at the same time, in order to accurately measure it, it is further measured with the cooperation of the laser ranging sensor, so as to improve its accuracy; it has the advantage of accurately adjusting the liquid output, which solves the problem that the experimenters generally control the liquid volume manually when using the bottle mouth dispenser, but the manual control is prone to errors, resulting in inaccurate experimental data. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the quantity control component of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the water absorbing component of the utility model.

[0021] In the figure: 1. quantity control component; 11. mounting seat; 12. threaded sleeve; 13. threaded rod; 14. motor; 15. first slide groove; 16. first slider; 17. limit slide rod; 2. PLC processor; 3. base component; 31. rotary valve module; 32. liquid inlet valve; 33. liquid suction pipe; 34. return pipe; 35. drain valve; 36. filter joint; 4. water absorption component; 41. mounting shell; 42. second slider; 43. second slide groove; 44. moving rod; 45. accommodating box; 46. piston; 47. slot; 48. sealing ring; 5. laser ranging sensor; 6. positioning rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] The utility model provides Figure 1-5 As shown, a bottle mouth dispenser capable of accurately adjusting the amount of liquid discharged comprises a quantity control component 1, a PLC processor 2, a base component 3, a water absorption component 4, a laser distance measuring sensor 5 and a positioning rod 6, wherein the quantity control component 1 comprises a mounting seat 11, a threaded sleeve 12, a threaded rod 13, a motor 14, a first slide groove 15, a first slider 16 and a limit slide rod 17, the base component 3 comprises a rotary valve module 31, a liquid inlet valve 32, a liquid suction pipe 33, a reflux pipe 34, a drain valve 35 and a filter joint 36, the water absorption component 4 comprises a mounting shell 41, a second slider 42, a second slide groove 43, a shift The movable rod 44, the containing box 45, the piston 46, the slot 47 and the sealing ring 48, the water absorption component 4 is arranged at the top of the base component 3, the positioning rod 6 is arranged on the right side of the water absorption component 4, the quantity control component 1 is arranged on the right side of the positioning rod 6, the PLC processor 2 is arranged on the top of the quantity control component 1, the laser ranging sensor 5 is arranged on the right side of the top of the base component 3, the liquid inlet valve 32 is fixedly installed at the bottom of the rotary valve module 31, the liquid suction pipe 33 is connected to the bottom of the rotary valve module 31, and the reflux pipe 34 is connected to the left side of the bottom of the rotary valve module 31.

[0024] In some embodiments, the drain valve 35 is connected to the left side of the rotary valve module 31, the filter joint 36 is fixedly installed at the bottom of the suction tube 33, the PLC processor 2 is fixedly installed on the top of the mounting seat 11, and the mounting seat 11 is fixedly installed on the right side of the rotary valve module 31. More specifically, the drain valve 35 is provided to facilitate the discharge of liquid, the liquid inlet valve 32 is provided to make the suction tube 33 more tightly installed, and the reflux pipe 34 is provided to discharge the refluxed water.

[0025] In some embodiments, the bottom of the laser ranging sensor 5 is fixedly connected to the top of the rotary valve module 31, the containing box 45 is connected to the top of the rotary valve module 31, the piston 46 is arranged in the inner cavity of the containing box 45, and the mounting shell 41 is arranged on the surface of the containing box 45. More specifically, the laser ranging sensor 5 is arranged to accurately measure the distance moved by the positioning rod 6, the containing box 45 is arranged to store the solution, and the piston 46 is arranged to suck the solution.

[0026] In some embodiments, the card slot 47 is opened at the top of the receiving box 45, the sealing ring 48 is fixedly installed in the inner cavity of the card slot 47, and the movable rod 44 is arranged inside the sealing ring 48. More specifically, the sealing ring 48 is installed by setting the card slot 47, and the gap between the movable rod 44 and the card slot 47 is sealed by setting the sealing ring 48.

[0027] In some embodiments, the bottom of the moving rod 44 is fixedly connected to the top of the piston 46, and the top of the moving rod 44 is fixedly connected to the top of the inner cavity of the mounting shell 41. The second slide grooves 43 are both opened on both sides of the inner cavity of the mounting shell 41. More specifically, the piston 46 is limited by setting the moving rod 44 to prevent the piston 46 from shaking during the movement.

[0028] In some embodiments, the second slider 42 slides in the inner cavity of the second slide groove 43, and the relatively close side of the second slider 42 is fixedly connected to the two sides of the accommodating box 45. More specifically, the second slider 42 is limited by setting the second slide groove 43 to prevent the second slider 42 from shaking during the movement, and the installation shell 41 is limited by setting the second slider 42 to prevent the installation shell 41 from shaking during the movement.

[0029] In some embodiments, the motor 14 is fixedly mounted at the bottom of the inner cavity of the mounting base 11, the threaded sleeve 12 is arranged in the inner cavity of the mounting base 11, and the internal thread of the threaded sleeve 12 is connected with a threaded rod 13. More specifically, the position of the threaded sleeve 12 is indirectly adjusted by setting the motor 14 to drive the threaded rod 13.

[0030] In some embodiments, the top of the motor 14 is fixedly connected to the bottom of the threaded rod 13, the top of the threaded rod 13 is rotatably connected to the top of the inner cavity of the mounting seat 11 through a bearing, the positioning rod 6 is fixedly installed on the left side of the threaded sleeve 12, and the left side of the positioning rod 6 is fixedly connected to the right side of the mounting shell 41. More specifically, the positioning rod 6 is provided to mainly connect the threaded sleeve 12 and the mounting shell 41.

[0031] In some embodiments, the first slide groove 15 is opened on the right side of the inner cavity of the mounting seat 11, the first slider 16 slides in the inner cavity of the first slide groove 15, the left side of the first slider 16 is fixedly connected to the right side of the threaded sleeve 12, the limiting slide rod 17 slides in the inner cavity of the first slider 16, and the two sides of the limiting slide rod 17 are fixedly connected to the inner cavity of the first slide groove 15. More specifically, the first slide groove 15 is provided to limit the first slider 16 to prevent the first slider 16 from shaking during the movement, and the first slider 16 is provided to limit the threaded sleeve 12 to prevent the threaded sleeve 12 from shaking during the movement.

[0032] Working principle:

[0033] Step 1: When in use, close the drain valve 35 and open the rotary valve module 31. Under the action of the PLC processor 2, the motor 14 rotates, and the motor 14 drives the threaded rod 13 to rotate, so that the threaded sleeve 12 drives the positioning rod 6 and the mounting shell 41 to move upward. Under the action of the mounting shell 41, the moving rod 44 drives the piston 46 to move upward, and the solution enters the inner cavity of the containing box 45 through the filter joint 36, the pipette 33 and the rotary valve module 31 in sequence;

[0034] Step 2: When discharging, close the rotary valve module 31 and open the drain valve 35. According to the required amount, the motor 14 drives the threaded rod 13 to rotate in the opposite direction. At the same time, the threaded sleeve 12 drives the positioning rod 6 and the mounting shell 41 to move downward, so that the moving rod 44 drives the piston 46 to move downward, and the solution is discharged through the drain valve 35. At the same time, for the sake of accuracy, it is further measured with the cooperation of the laser ranging sensor 5 to improve its accuracy.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0036] 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.

Claims

1. A bottle mouth dispenser capable of accurately adjusting the amount of liquid discharged, characterized in that: The invention comprises a quantity control component (1), a PLC processor (2), a base component (3), a water absorption component (4), a laser distance measuring sensor (5) and a positioning rod (6); the quantity control component (1) comprises a mounting seat (11), a threaded sleeve (12), a threaded rod (13), a motor (14), a first slide groove (15), a first slider (16) and a limit slide rod (17); the base component (3) comprises a rotary valve module (31), a liquid inlet valve (32), a liquid absorption pipe (33), a return pipe (34), a drain valve (35) and a filter joint (36); the water absorption component (4) comprises a mounting shell (41), a second slider (42), a second slide groove (43), a moving rod (44), The invention relates to a housing box (45), a piston (46), a slot (47) and a sealing ring (48); the water absorption component (4) is arranged on the top of the base component (3); the positioning rod (6) is arranged on the right side of the water absorption component (4); the volume control component (1) is arranged on the right side of the positioning rod (6); the PLC processor (2) is arranged on the top of the volume control component (1); the laser distance sensor (5) is arranged on the right side of the top of the base component (3); the liquid inlet valve (32) is fixedly mounted on the bottom of the rotary valve module (31); the liquid absorption pipe (33) is connected to the bottom of the rotary valve module (31); and the return pipe (34) is connected to the left side of the bottom of the rotary valve module (31).

2. The bottle mouth liquid dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The drain valve (35) is connected to the left side of the rotary valve module (31), the filter joint (36) is fixedly mounted on the bottom of the suction tube (33), the PLC processor (2) is fixedly mounted on the top of the mounting seat (11), and the mounting seat (11) is fixedly mounted on the right side of the rotary valve module (31).

3. The bottle mouth dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The bottom of the laser distance sensor (5) is fixedly connected to the top of the rotary valve module (31), the containing box (45) is connected to the top of the rotary valve module (31), the piston (46) is arranged in the inner cavity of the containing box (45), and the mounting shell (41) is arranged on the surface of the containing box (45).

4. The bottle mouth liquid dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The card slot (47) is opened at the top of the containing box (45), the sealing ring (48) is fixedly installed in the inner cavity of the card slot (47), and the moving rod (44) is arranged inside the sealing ring (48).

5. The bottle mouth dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The bottom of the moving rod (44) is fixedly connected to the top of the piston (46), the top of the moving rod (44) is fixedly connected to the top of the inner cavity of the mounting shell (41), and the second sliding grooves (43) are both provided on both sides of the inner cavity of the mounting shell (41).

6. The bottle mouth dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The second sliding block (42) slides in the inner cavity of the second sliding groove (43), and the relatively close side of the second sliding block (42) is fixedly connected to two sides of the containing box (45).

7. The bottle mouth liquid dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The motor (14) is fixedly mounted at the bottom of the inner cavity of the mounting seat (11); the threaded sleeve (12) is arranged in the inner cavity of the mounting seat (11); the inner thread of the threaded sleeve (12) is connected to a threaded rod (13).

8. The bottle mouth dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The top of the motor (14) is fixedly connected to the bottom of the threaded rod (13), the top of the threaded rod (13) is rotatably connected to the top of the inner cavity of the mounting seat (11) via a bearing, the positioning rod (6) is fixedly mounted on the left side of the threaded sleeve (12), and the left side of the positioning rod (6) is fixedly connected to the right side of the mounting housing (41).

9. The bottle mouth liquid dispenser capable of accurately adjusting the liquid output according to claim 1, characterized in that: The first slide groove (15) is opened on the right side of the inner cavity of the mounting seat (11); the first slider (16) slides in the inner cavity of the first slide groove (15); the left side of the first slider (16) is fixedly connected to the right side of the threaded sleeve (12); the limiting slide rod (17) slides in the inner cavity of the first slider (16); the two sides of the limiting slide rod (17) are fixedly connected to the inner cavity of the first slide groove (15).

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