Adjustable metering detection device

Abstract

The utility model is applicable to the technical field of measurement and detection, and provides an adjustable measurement and detection device, through the arrangement of a liquid outlet pipe, a first fixing plate, a first spring and a transmission assembly, when a user applies downward pressure to a pressing plate to enable the pressing plate to move downwards, under the linkage action of the transmission assembly, the liquid outlet pipe is driven to move downwards; the liquid outlet nozzle provided with the first fixing plate correspondingly moves upwards, in the dynamic process, the height of the liquid level in the measuring cup and the height of the liquid outlet nozzle can be synchronously increased, the synchronism effectively ensures that the liquid level in the measuring cup and the height of the liquid outlet nozzle are always kept at a proper distance, and therefore the phenomenon of solution splashing is completely eradicated, and the stability of the measuring cup is improved. Compared with a traditional mode of manually adjusting the height of the liquid outlet nozzle in the prior art, the liquid outlet nozzle is more convenient and efficient to operate in the actual use process, the workload and the operation difficulty of operators are greatly reduced, the liquid outlet process can be more stable and reliable, and the working efficiency is improved. And the accuracy and the safety of the metering detection work are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measurement and detection, and specifically relates to an adjustable measurement and detection device. BACKGROUND

[0002] Measurement and detection aims to obtain specific results by carrying out a series of repeated tests on corresponding parameters of measurement objects, and in the field of physics, measurement instruments are often used to implement corresponding processes on certain tools to obtain accurate results.

[0003] According to the patent search, CN 222013284 U discloses an adjustable measurement and detection device, which needs to adjust the distance between the liquid outlet nozzle and the measuring cup when the amount of the measuring solution in the measuring cup gradually increases in actual application, and the specific operation mode is that the user manually rotates the rotating drum, drives the connecting cylinder at the top end of the liquid outlet nozzle to slide along the inner wall of the liquid outlet by using the thread cooperation between the rotating drum and the connecting cylinder, so as to achieve the adjustment purpose of the distance between the liquid outlet nozzle and the measuring cup, thereby preventing the splashing of the measuring solution caused by the too large distance between the liquid outlet nozzle and the measuring cup.

[0004] However, the application has a significant defect. It mainly relies on the manual adjustment of the height of the liquid outlet nozzle, and in the actual operation scene, the operator needs to simultaneously perform the two operations of pushing the piston and adjusting the height of the liquid outlet nozzle. This operation mode of simultaneously performing different and interrelated tasks with both hands is extremely inconvenient. For example, in the experimental or production process that needs to accurately control the solution measurement and output, the operator is difficult to accurately rotate the rotating drum to adjust the height of the liquid outlet nozzle while ensuring the uniform and stable pushing of the piston, which easily leads to unstable solution output and inaccurate measurement, and greatly affects the convenience and efficiency of the device use. Therefore, it is urgent to carefully conceive and design an effective technical scheme to properly solve the current technical problem, so as to improve the practicality and ease of use of the measurement and detection device. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an adjustable measurement and detection device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An adjustable metering detection device, comprising a base, a support arm, a dosing cylinder, a scale and a measuring cup, the support arm is of telescopic structure, one end of the support arm is fixedly installed on the base, the other end is fixedly installed with a collar, the collar is fixedly installed with the dosing cylinder inside, the dosing cylinder is provided with a scale line, the base is provided with the scale at the bottom of the dosing cylinder, the scale is provided with the measuring cup, the dosing cylinder is sealingly and slidably provided with a piston inside, the piston is installed with a piston rod, the end of the piston rod is fixedly installed with a pressing plate, the side and bottom of the dosing cylinder are respectively installed with a liquid inlet pipe and a liquid outlet pipe through a one-way valve, the liquid outlet pipe is a corrugated expansion pipe, the end of the liquid outlet pipe is installed with a liquid outlet nozzle, the liquid outlet nozzle is fixedly installed with a first fixed plate, the first fixed plate is connected with the bottom of the dosing cylinder through a first spring, and the first fixed plate is connected with the pressing plate through a transmission assembly, wherein the transmission assembly is used for kinetic energy transmission for relative movement of the pressing plate and the first fixed plate.

[0008] As a further scheme of the utility model: the transmission assembly includes a second fixed plate, a fixed pulley, a movable rod and a pull rope, the second fixed plate is fixedly installed on the side wall of the dosing cylinder, and the movable rod is movably arranged on the second fixed plate, and the bottom surface of the second fixed plate is also fixedly installed with a fixed pulley, the top end of the movable rod is fixedly connected with the pressing plate, one end of the pull rope is connected with the first fixed plate, and the other end is wound around the fixed pulley and fixedly connected with the side surface of the movable rod.

[0009] As a further scheme of the utility model: the fixed pulley, the movable rod and the pull rope are all provided with two, and the two movable rods are symmetrically arranged on the diameter direction of the dosing cylinder.

[0010] As a further scheme of the utility model: the first fixed plate is also fixedly provided with a sleeve, the sleeve is sleeved on the piston rod, and the rod body between the second fixed plate and the pressing plate is also sleeved with a second spring.

[0011] As a further scheme of the utility model: the piston rod comprises a hollow pipe fixedly installed on the pressing plate, a screw rod rotatably installed in the hollow pipe and a threaded sleeve rod matched with the screw rod, the threaded sleeve rod is movably arranged at the bottom end of the hollow pipe, the threaded sleeve rod is fixedly connected with the piston, and the top end of the hollow pipe is also installed with a knob connected with the screw rod.

[0012] As a further scheme of the utility model: the side wall of the threaded sleeve rod is also arrayed with a plurality of convex strips, and the inner wall of the hollow pipe is provided with a groove slidingly matched with the convex strips.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a corrugated telescopic pipe formula's liquid outlet pipe, first fixed plate, first spring and transmission assembly are set up, when the user exerts downward pressure to the pressing plate and makes it produce downward movement, under the linkage of transmission assembly, the liquid outlet nozzle of installing first fixed plate will move correspondingly upward, in this dynamic process, the liquid level height of measuring cup inside and the height of liquid outlet nozzle can realize synchronous rising, and this synchronism effectively ensures that the suitable distance is maintained between both, thereby eliminating the solution splashing phenomenon's occurrence, compared with the traditional mode of adjusting the height of liquid outlet nozzle manually in prior art, its not only is more convenient and efficient in the actual use process operation, greatly reduces the work burden and operation difficulty of operating personnel, and can guarantee that the liquid outlet process is more stable and reliable, effectively improves the precision and security of measurement and detection work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of a kind of adjustable measurement and detection device;

[0016] Figure 2 It is side view of the quantitative cylinder in a kind of adjustable measurement and detection device;

[0017] Figure 3 It is Figure 2 perspective sectional view;

[0018] Figure 4 It is the enlarged view of piston rod in a kind of adjustable measurement and detection device;

[0019] In the drawing: 1, base;2, support arm;3, quantitative cylinder;4, weigher;5, measuring cup;6, collar;7, piston;8, piston rod;9, pressing plate;10, liquid inlet pipe;11, liquid outlet pipe;12, liquid outlet nozzle;13, first fixed plate;14, first spring;15, second fixed plate;16, fixed pulley;17, movable rod;18, pull rope;19, sleeve;20, second spring;21, hollow tube;22, threaded sleeve rod;23, knob;24, convex strip. DETAILED DESCRIPTION

[0020] The technical solutions of the patent are further described in detail in combination with specific implementation manners. EMBODIMENT

[0021] Please refer to Figures 1-4The utility model provides a kind of adjustable metering detection device, including base 1, support arm 2, dosing cylinder 3, weigher 4 and measuring cup 5, the support arm 2 is telescopic structure, the height of dosing cylinder 3 can be adjusted by adjusting the length of support arm 2, one end of support arm 2 is fixedly installed on base 1, the other end is fixedly installed with collar 6, collar 6 is fixedly installed with dosing cylinder 3 in it, dosing cylinder 3 is provided with scale line, weigher 4 is provided on the bottom of dosing cylinder 3 in base 1, measuring cup 5 is provided on weigher 4, the piston 7 is sealingly slidably arranged in dosing cylinder 3, piston rod 8 is installed on piston 7, the end of piston rod 8 is fixedly installed with pressing plate 9, the side and bottom of dosing cylinder 3 are respectively provided with liquid inlet pipe 10 and liquid outlet pipe 11 by one-way valve, the liquid outlet pipe 11 is corrugated expansion pipe, liquid outlet nozzle 12 is installed at the end of liquid outlet pipe 11, first fixed plate 13 is fixedly installed on liquid outlet nozzle 12, first fixed plate 13 is connected with the bottom of dosing cylinder 3 by first spring 14, and first fixed plate 13 is connected with pressing plate 9 by transmission assembly, wherein, transmission assembly is used for the kinetic energy transmission for the relative motion of pressing plate 9 and first fixed plate 13.By setting corrugated expansion pipe type liquid outlet pipe 11, first fixed plate 13, first spring 14 and transmission assembly, when user exerts downward pressure on pressing plate 9 to make it generate downward motion, under the linkage action of transmission assembly, the liquid outlet nozzle 12 installed with first fixed plate 13 will move upwards correspondingly, in this dynamic process, the liquid level height in measuring cup 5 and the height of liquid outlet nozzle 12 can realize synchronous rising, the synchronism effectively ensures that the suitable distance between the two is maintained, so as to eliminate the occurrence of solution splashing phenomenon, compared with the traditional way of adjusting the height of liquid outlet nozzle 12 manually in prior art, it is not only more convenient and efficient in actual use process, greatly reduces the work burden and operation difficulty of operator, but also can guarantee that the liquid outlet process is more stable and reliable, effectively improves the accuracy and safety of metering detection work.

[0022] Specifically, the transmission assembly includes a second fixed plate 15, a fixed pulley 16, a movable rod 17, and a pull rope 18. The second fixed plate 15 is fixedly installed on the side wall of the dosing cylinder 3, and the movable rod 17 is movably inserted into the second fixed plate 15. The bottom surface of the second fixed plate 15 is also fixedly installed with the fixed pulley 16. The top end of the movable rod 17 is fixedly connected with the pressing plate 9. One end of the pull rope 18 is connected with the first fixed plate 13, and the other end is wound around the fixed pulley 16 and fixedly connected with the side surface of the movable rod 17. Specifically, when the pressing plate 9 moves downward, the movable rod 17 installed below the pressing plate 9 moves downward together. Under the linkage action of the fixed pulley 16 and the pull rope 18, the liquid outlet nozzle 12 installed with the first fixed plate 13 can move upward. Conversely, when the pressing plate 9 resets, the liquid outlet nozzle 12 can reset under the action of the first spring 14.

[0023] Preferably, the fixed pulley 16, the movable rod 17 and the pull rope 18 are provided with two, two movable rods 17 are symmetrically arranged on the diameter direction of the fixed cartridge 3, by such arrangement, the stability of the up and down movement of the liquid outlet nozzle 12 is further improved.

[0024] In addition, the first fixed plate 13 is also fixedly provided with a sleeve 19, the sleeve 19 is sleeved on the piston rod 8, the piston rod 8 is sleeved with a second spring 20 outside the rod body between the second fixed plate 15 and the pressing plate 9, the sleeve 19 and the second spring 20 are arranged, which can help the piston rod 8 to reset after stopping pressing the pressing plate 9, further improving the convenience of the device in use. Embodiment

[0025] The embodiment is improved on the basis of the embodiment 1, in particular:

[0026] Please refer to Figure 3 and Figure 4 , the piston rod 8 includes a hollow pipe 21 fixedly installed on the pressing plate 9, a screw rod (not shown in the figure) rotatably installed in the hollow pipe 21 and a threaded sleeve rod 22 matched with the screw rod, the threaded sleeve rod 22 is movably inserted into the bottom end of the hollow pipe 21, and the threaded sleeve rod 22 is fixedly connected with the piston 7, and the top end of the hollow pipe 21 is also provided with a knob 23 connected with the screw rod, by such arrangement, the length of the piston rod 8 can be adjusted, and after the length adjustment of the piston rod 8, the length adjustment of the piston rod 8 is limited by the sleeve 19, so that the quantitative adjustment of the injection amount can be realized, and the precision of the quantitative injection of the device is improved.

[0027] In addition, when the rotation of the knob 23 adjusts the extension amount of the threaded sleeve rod 22, in order to avoid that the threaded sleeve rod 22 rotates with the screw rod, the side wall of the threaded sleeve rod 22 is also provided with a plurality of convex strips 24, and the inner wall of the hollow pipe 21 is provided with a groove matched with the convex strip 24.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0029] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. An adjustable metering detection device comprising a base (1), a support arm (2), a dosing cylinder (3), a scale (4) and a measuring cup (5), characterized in that, The support arm (2) is of telescopic structure, one end of the support arm (2) is fixedly installed on the base (1), the other end is fixedly installed with a sleeve ring (6), the sleeve ring (6) is fixedly installed with a quantitative cylinder (3) inside, the quantitative cylinder (3) is provided with a scale line, the base (1) is provided with a weighing device (4) at the bottom of the quantitative cylinder (3), the weighing device (4) is provided with a measuring cup (5), the quantitative cylinder (3) is sealingly and slidably provided with a piston (7) inside, the piston (7) is installed with a piston rod (8), the end of the piston rod (8) is fixedly installed with a pressing plate (9), the side and bottom of the quantitative cylinder (3) are respectively installed with a liquid inlet pipe (10) and a liquid outlet pipe (11) through a one-way valve, the liquid outlet pipe (11) is a corrugated expansion pipe, the end of the liquid outlet pipe (11) is installed with a liquid outlet nozzle (12), the liquid outlet nozzle (12) is fixedly installed with a first fixed plate (13), the first fixed plate (13) is connected with the bottom of the quantitative cylinder (3) through a first spring (14), and the first fixed plate (13) is connected with the pressing plate (9) through a transmission assembly, wherein the transmission assembly is used for kinetic energy transmission for relative movement of the pressing plate (9) and the first fixed plate (13).

2. The adjustable metrology detection device of claim 1, wherein, The transmission assembly comprises a second fixed plate (15), a fixed pulley (16), a movable rod (17) and a pulling rope (18), the second fixed plate (15) is fixedly installed on the side wall of the quantitative cylinder (3), the movable rod (17) is movably inserted on the second fixed plate (15), and the fixed pulley (16) is further fixedly installed on the bottom of the second fixed plate (15), the top end of the movable rod (17) is fixedly connected with the pressing plate (9), one end of the pulling rope (18) is connected with the first fixed plate (13), and the other end is wound around the fixed pulley (16) and fixedly connected with the side of the movable rod (17).

3. The adjustable metrology detection device of claim 2, wherein, The fixed pulley (16), the movable rod (17) and the pulling rope (18) are all provided with two, and the two movable rods (17) are symmetrically arranged on the diameter direction of the quantitative cylinder (3).

4. The adjustable metrology detection device of claim 2, wherein, The first fixed plate (13) is further fixedly provided with a sleeve pipe (19), the sleeve pipe (19) is sleeved on the outside of the piston rod (8), and the second spring (20) is further sleeved on the rod body between the second fixed plate (15) and the pressing plate (9).

5. The adjustable metrology inspection apparatus of claim 1, wherein, The piston rod (8) comprises a hollow pipe (21) fixedly installed on the pressing plate (9), a screw rod rotatably installed in the hollow pipe (21) and a threaded sleeve rod (22) matched with the screw rod, the threaded sleeve rod (22) is movably inserted at the bottom end of the hollow pipe (21), the threaded sleeve rod (22) is fixedly connected with the piston (7), and the top end of the hollow pipe (21) is further installed with a knob (23) connected with the screw rod.

6. The adjustable metrology detection device of claim 5, wherein, The side wall of the threaded sleeve rod (22) is further provided with a plurality of convex strips (24), and the inner wall of the hollow pipe (21) is provided with a groove slidingly matched with the convex strips (24).

Images