Metering and detecting device for liquid taking and metering

Abstract

The utility model relates to the technical field of liquid taking metering devices, and discloses a metering detection device for liquid taking metering, which comprises a base, a liquid taking box is fixedly mounted on the upper surface of the base, a worm is rotatably connected in the base, the outer surface of the worm is meshed and connected with a worm gear, the worm gear is rotatably connected with the base, and the worm gear is rotatably connected with the base. According to the metering detection device for liquid taking metering, liquid is injected into a liquid taking box at the height parallel to a liquid outlet pipe, a liquid taking worker shakes a control valve, a worm drives the worm to rotate, a threaded rod fixedly installed on the outer surface of a worm gear rotates, and a connecting piece spirally ascends along the operation track of the threaded rod under the limitation of a groove; the liquid in the liquid taking box is driven to lift, and the liquid is discharged according to the lifting amount, so that the effect of reducing sampling errors caused by a certain distance between the liquid outlet and the interior of the liquid metering device during liquid taking is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid taking metering devices, in particular to a metering and detecting device for liquid taking metering. Background Art

[0002] In some experimental research processes, it is necessary to obtain a predetermined reaction liquid or catalyst. At this time, a sampling and metering detection device is needed to obtain the predetermined liquid volume. The accuracy and reliability of the metering device directly determine the accuracy of the test results and the reliability of the instrument.

[0003] The current metering and detection device for liquid measurement has a certain distance between the liquid outlet and the inside of the liquid metering device when taking liquid, resulting in sampling errors. At the same time, when a small amount of liquid needs to be taken, it is often difficult to take liquid more accurately. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a metering and detecting device for liquid measurement to solve the problem mentioned in the above background technology that the currently used metering and detecting device for liquid measurement has a certain distance from the liquid outlet to the inside of the liquid metering device when taking liquid, resulting in sampling errors. At the same time, when a small amount of liquid needs to be taken, it is often difficult to take the liquid more accurately.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metering and detecting device for liquid metering, comprising a base, characterized in that: a liquid taking box is fixedly installed on the upper surface of the base, a worm is rotatably connected to the inside of the base, a worm wheel is meshedly connected to the outer surface of the worm, and the worm wheel is rotatably connected to the base, a control valve is fixedly installed on the outer surface of the worm, a threaded rod is rotatably connected to the outer surface of the base, the outer surface of the threaded rod is fixedly connected to the outer surface of the worm wheel, the outer surface of the threaded rod is fixedly connected to the inside of the liquid taking box, a groove is provided on the inner wall of the liquid taking box, a connecting piece is movably connected to the inside of the liquid taking box, the outer surface of the connecting piece is movably connected to the outer surface of the groove, the connecting piece is threadedly connected to the threaded rod, the outer surface of the liquid taking box away from the base is fixedly connected to a liquid outlet pipe, and the outer surface of the liquid outlet pipe is provided with a switch valve.

[0006] Preferably, a scale is fixedly mounted on the outer surface of the groove, a digital display is slidably connected to the outer surface of the scale, the outer surface of the digital display is fixedly connected to the outer surface of the connecting piece through the groove, an observation and recording window is provided on the outer surface of the liquid collection box close to the groove, a visual window is provided on the outer surface of the liquid collection box, and a scale plate is fixedly mounted on the outer surface of the visual window.

[0007] Preferably, the liquid collection box is cylindrical, and the outer surface of the liquid collection box close to the liquid outlet pipe is threadedly connected to a box cover, the outer surface of the box cover is fixedly connected to a liquid injection pipe, the outer surface of the liquid outlet pipe away from the liquid collection box is threadedly connected to a liquid outlet connector, and the liquid outlet pipe is arranged at an inclination of 60 degrees.

[0008] Preferably, tempered glass is fixedly installed inside the visual window, the scale plate is accurate to millimeters, and the digital display is accurate to decimeters.

[0009] Preferably, the housing of the digital display is made of waterproof material, and the initial value of the digital display is parallel to the height of the connecting piece.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The metering and detecting device for liquid metering injects liquid into the liquid taking box at a height parallel to the liquid outlet pipe. The liquid taking personnel shakes the control valve, and the worm drives the worm to rotate, so that the threaded rod fixedly installed on the outer surface of the worm wheel rotates, so that the connecting piece spirally rises along the operating trajectory of the threaded rod under the limitation of the groove, driving the liquid in the liquid taking box to rise, and the amount of liquid discharged is the same as the amount of lifting, thereby achieving the effect of reducing the distance between the liquid outlet and the inside of the liquid metering device when taking liquid, which leads to sampling errors.

[0012] 2. The metering and detection device for liquid metering has a scale fixedly installed on the outer surface of the groove, and a digital display is slidably connected to the outer surface of the scale. At the same time, the outer surface of the digital display is fixedly connected to the outer surface of the connecting piece through the groove. When the connecting piece is lifted, the digital display moves on the scale and records. In addition, an observation and recording window is provided on the outer surface of the liquid taking box close to the groove, which is convenient for the liquid taking personnel to accurately take the liquid, thereby achieving the effect of facilitating more accurate liquid taking when a small amount of liquid needs to be taken. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model;

[0015] Figure 3 This is a front cross-sectional schematic diagram of the structure of the utility model;

[0016] Figure 4 It is a top view and cross-sectional schematic diagram of the structure of the utility model;

[0017] Figure 5 The utility model structure Figure 4 Schematic diagram at A in the middle;

[0018] Figure 6 It is a schematic cross-sectional view of the worm gear structure of the utility model.

[0019] In the figure: 1. base; 2. worm; 3. control valve; 4. worm wheel; 5. threaded rod; 6. liquid collection box; 7. groove; 8. scale; 9. digital display; 10. connecting piece; 11. viewing window; 12. scale plate; 13. box cover; 14. liquid filling pipe; 15. liquid outlet pipe; 16. liquid outlet connector; 17. switch valve. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1:

[0022] Please refer to Figure 1-6 ,

[0023] A metering and detecting device for liquid metering includes a base 1, characterized in that: a liquid taking box 6 is fixedly installed on the upper surface of the base 1, a worm 2 is rotatably connected inside the base 1, a worm wheel 4 is meshedly connected to the outer surface of the worm 2, and the worm wheel 4 is rotatably connected to the base 1, a control valve 3 is fixedly installed on the outer surface of the worm 2, a threaded rod 5 is rotatably connected to the outer surface of the base 1, the outer surface of the threaded rod 5 is fixedly connected to the outer surface of the worm wheel 4, the outer surface of the threaded rod 5 is fixedly connected to the inside of the liquid taking box 6, a groove 7 is provided on the inner wall of the liquid taking box 6, a connecting piece 10 is movably connected to the inside of the liquid taking box 6, the outer surface of the connecting piece 10 is movably connected to the outer surface of the groove 7, the connecting piece 10 is threadedly connected to the threaded rod 5, an outer surface of the liquid taking box 6 away from the base 1 is fixedly connected to a liquid outlet pipe 15, and a switch valve 17 is provided on the outer surface of the liquid outlet pipe 15.

[0024] Specifically, by injecting liquid into the liquid collection box 6 at a height parallel to the liquid outlet pipe 15, the liquid collection personnel shakes the control valve 3, and the worm 2 drives the worm 2 to rotate, so that the threaded rod 5 fixedly installed on the outer surface of the worm wheel 4 rotates, so that the connecting piece 10 spirally rises along the operating trajectory of the threaded rod 5 under the restriction of the groove 7, driving the liquid in the liquid collection box 6 to rise, and the amount of liquid discharged is equal to the amount of lifting, thereby achieving the effect of reducing the distance between the liquid outlet and the inside of the liquid metering device when taking liquid, which leads to sampling errors.

[0025] In the embodiment: the liquid collection box 6 is cylindrical, and the outer surface of the liquid collection box 6 close to the liquid outlet pipe 15 is threadedly connected to the box cover 13, the outer surface of the box cover 13 is fixedly connected to the liquid injection pipe 14, the outer surface of the liquid outlet pipe 15 away from the liquid collection box 6 is threadedly connected to the liquid outlet connector 16, and the liquid outlet pipe 15 is set at an inclination of 60 degrees.

[0026] Specifically, since the liquid collection box 6 is cylindrical, the outer surface of the liquid collection box 6 close to the liquid outlet pipe 15 is threadedly connected to the box cover 13, and the outer surface of the box cover 13 is fixedly connected to the liquid injection pipe 14 for adding liquid. When the connecting piece 10 moves upward, the liquid is driven to move upward to discharge the air in the liquid collection box 6 from the liquid injection pipe 14, and the outer surface of the liquid outlet pipe 15 away from the liquid collection box 6 is threadedly connected to the liquid outlet connector 16 to prevent the liquid from spilling due to the excessive size of the pipe mouth of the liquid outlet pipe 15, and the liquid outlet pipe 15 is inclined at 60 degrees, and the overflowed liquid will slide down along the inclination to reduce the liquid remaining in the liquid outlet pipe 15.

[0027] Working principle: a worm 2 is connected to the internal rotation of the base 1, and a worm wheel 4 is meshed and connected to the outer surface of the worm 2, and the worm wheel 4 is rotatably connected to the base 1, and a control valve 3 is fixedly installed on the outer surface of the worm 2, and a threaded rod 5 is rotatably connected to the outer surface of the base 1, and the outer surface of the threaded rod 5 is fixedly connected to the outer surface of the worm wheel 4, and the outer surface of the threaded rod 5 is fixedly connected to the inside of the liquid taking box 6. Liquid is injected into the liquid taking box 6 at a height parallel to the liquid outlet pipe 15. The liquid taking personnel shakes the control valve 3, and the worm 2 drives the worm 2 to rotate, so that the threaded rod 5 fixedly installed on the outer surface of the worm wheel 4 rotates, so that the connecting piece 10 spirally rises along the operating trajectory of the threaded rod 5 under the restriction of the groove 7, driving the liquid in the liquid taking box 6 to be lifted, and the amount of liquid lifted is equal to the amount of liquid discharged. Compared with the related art, the metering and detection device for liquid taking metering provided by the utility model has the following beneficial effects: thereby achieving the effect of reducing the sampling error caused by a certain distance from the liquid outlet to the inside of the liquid metering device when taking liquid.

[0028] Embodiment 2:

[0029] Please refer to Figure 1-6 ,

[0030] A scale 8 is fixedly mounted on the outer surface of the groove 7, a digital display 9 is slidably connected to the outer surface of the scale 8, the outer surface of the digital display 9 is fixedly connected to the outer surface of the connecting piece 10 through the groove 7, an observation and recording window is provided on the outer surface of the liquid collection box 6 close to the groove 7, a visual window 11 is provided on the outer surface of the liquid collection box 6, and a scale plate 12 is fixedly mounted on the outer surface of the visual window 11.

[0031] Specifically, a scale 8 is fixedly installed on the outer surface of the groove 7, and a digital display 9 is slidably connected to the outer surface of the scale 8. At the same time, the outer surface of the digital display 9 is fixedly connected to the outer surface of the connecting piece 10 through the groove 7. When the connecting piece 10 is lifted, the digital display 9 moves on the scale 8 and records. In addition, an observation and recording window is provided on the outer surface of the liquid collection box 6 near the groove 7, which is convenient for the liquid collection personnel to accurately collect liquid, thereby achieving the effect of facilitating more accurate liquid collection when a smaller amount of liquid is needed.

[0032] In the embodiment: tempered glass is fixedly installed inside the viewing window 11, the scale plate 12 is accurate to millimeters, and the digital display 9 is accurate to decimeters.

[0033] Specifically, tempered glass is fixedly installed inside the viewing window 11, the scale plate 12 is accurate to millimeters, the digital display 9 is accurate to decimeters, and manual control sampling is more accurate.

[0034] In the embodiment, the housing of the digital display 9 is made of waterproof material, and the initial value of the digital display 9 is parallel to the height of the connecting piece 10 .

[0035] Specifically, the ruler body 8 is equipped with a high-precision rack, and the operation of the rack drives the circular grid piece to rotate. The displacement of the measuring claw of the ruler 8 is converted into a pulse signal by using a photoelectric pulse, and the measured size is displayed on the display screen of the digital display 9 through a counter and a display. In addition, the housing of the digital display 9 is made of waterproof material and can be used in liquid. At the same time, the initial value of the digital display 9 is parallel to the height of the connecting piece 10. When the connecting piece 10 is lifted, the digital display 9 synchronously records the sampling data.

[0036] Working principle: a scale 8 is fixedly installed on the outer surface of the groove 7, and a digital display 9 is slidably connected to the outer surface of the scale 8. At the same time, the outer surface of the digital display 9 is fixedly connected to the outer surface of the connecting piece 10 through the groove 7. When the connecting piece 10 is lifted, the digital display 9 moves on the scale 8, and the digital display 9 records. In addition, an observation and recording window is provided on the outer surface of the liquid taking box 6 close to the groove 7, which is convenient for the liquid taking personnel to accurately take the liquid. A visual window 11 is provided on the outer surface of the visual window 11, and a scale plate 12 is fixedly installed on the outer surface of the visual window 11, and liquid can also be taken visually. Compared with the related art, the metering and detection device for liquid measurement provided by the utility model has the following beneficial effects: thereby achieving the effect of facilitating more accurate liquid taking when a smaller amount of liquid is required.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A measuring and detecting device for measuring liquid, comprising a base (1), characterized in that: A liquid collection box (6) is fixedly mounted on the upper surface of the base (1); a worm (2) is rotatably connected to the interior of the base (1); a worm wheel (4) is meshingly connected to the outer surface of the worm (2); and the worm wheel (4) is rotatably connected to the base (1); a control valve (3) is fixedly mounted on the outer surface of the worm (2); a threaded rod (5) is rotatably connected to the outer surface of the base (1); and the outer surface of the threaded rod (5) is fixedly connected to the outer surface of the worm wheel (4); and the outer surface of the threaded rod (5) is The surface is fixedly connected to the interior of a liquid collection box (6); a groove (7) is provided on the inner wall of the liquid collection box (6); a connecting piece (10) is movably connected to the interior of the liquid collection box (6); the outer surface of the connecting piece (10) is movably connected to the outer surface of the groove (7); the connecting piece (10) is threadedly connected to the threaded rod (5); the outer surface of the liquid collection box (6) away from the base (1) is fixedly connected to a liquid outlet pipe (15); and the outer surface of the liquid outlet pipe (15) is provided with a switch valve (17).

2. A measuring and detecting device for measuring liquid according to claim 1, characterized in that: A scale (8) is fixedly mounted on the outer surface of the groove (7), a digital display (9) is slidably connected to the outer surface of the scale (8), the outer surface of the digital display (9) is fixedly connected to the outer surface of the connecting piece (10) via the groove (7), an observation and recording window is arranged on the outer surface of the liquid collection box (6) close to the groove (7), a visual window (11) is provided on the outer surface of the liquid collection box (6), and a scale plate (12) is fixedly mounted on the outer surface of the visual window (11).

3. A measuring and detecting device for measuring liquid according to claim 1, characterized in that: The liquid collection box (6) is cylindrical, and the outer surface of the liquid collection box (6) close to the liquid outlet pipe (15) is threadedly connected to a box cover (13), the outer surface of the box cover (13) is fixedly connected to a liquid injection pipe (14), and the outer surface of the liquid outlet pipe (15) away from the liquid collection box (6) is threadedly connected to a liquid outlet connector (16), and the liquid outlet pipe (15) is arranged to be inclined at 60 degrees.

4. A measuring and detecting device for measuring liquid according to claim 2, characterized in that: Tempered glass is fixedly installed inside the visual window (11), the scale plate (12) is accurate to millimeters, and the digital display (9) is accurate to decimeters.

5. A measuring and detecting device for measuring liquid according to claim 2, characterized in that: The housing of the digital display (9) is made of waterproof material, and the initial value of the digital display (9) is parallel to the height of the connecting piece (10).

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