CN216348928U

CN216348928U - Metering device for liquid taking metering

Info

Publication number: CN216348928U
Application number: CN202122818391.6U
Authority: CN
Inventors: 张强; 冯丹; 李贤�; 夏元波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-19
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the technical field of metering and detecting devices, and discloses a metering device for liquid taking and metering, which comprises a coarse metering barrel and a fine metering barrel arranged on the left side of the coarse metering barrel, wherein the coarse metering barrel and the fine metering barrel are fixedly connected through four groups of connecting columns, racks are slidably inserted into the upper surfaces of the coarse metering barrel and the fine metering barrel, and a first liquid pressing plate is fixedly connected to the lower surface of the rack on the right side. This metering device for getting liquid measurement, through thick metering barrel, thin metering barrel, right communicating pipe and left communicating pipe cooperation use for the user can extrude the inside liquid of thick metering barrel through first pressure liquid board, and then realizes a large amount of solution and draw, and can extrude the inside liquid of thin metering barrel through second pressure liquid board, and then realize a small amount of solution and draw, thereby further made things convenient for the user to the work of drawing of a large amount of solution and a small amount of solution, improved the device's suitability.

Description

Metering device for liquid taking metering

Technical Field

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

Background

In some experimental research processes, a predetermined reaction solution or a catalyst needs to be obtained, at this time, a sampling, metering and detecting device needs to be used for obtaining a predetermined liquid capacity, in order to ensure the accuracy of the research, a fixed amount of liquid needs to be taken out, generally, when the liquids are metered, graduated containers are needed through test tubes and beakers, but if the amount of the taken liquid is large, the metering is carried out through the containers, so that the liquid taking efficiency is low, and the problem is solved.

For example, chinese patent application nos.: 201921973181.0, a metering and detecting device for taking liquid, substantially as follows: the liquid level meter comprises a measuring cylinder, wherein a liquid inlet pipe is communicated and arranged on one side of the top of the measuring cylinder, scale marks are arranged on the body of the measuring cylinder, slide rods are arranged on the top of the measuring cylinder in a sliding manner, the slide rods are symmetrically arranged on two sides of the measuring cylinder, a cross rod is welded between the tops of the slide rods on the two sides, a screw rod is in threaded connection with the middle of the cross rod, the screw rod is in sliding connection with the top of the measuring cylinder, a metering plate is welded at the bottom of the slide rods, the metering plate is arranged in the measuring cylinder, a first rubber sealing ring is arranged between the outer side of the metering plate and the inner wall of the measuring cylinder, the first rubber sealing ring is fixedly bonded on the metering plate, and a through hole is formed in the middle of the metering plate. However, the valve is opened after the through hole is blocked by the sealing plate of the device, no air enters the outside due to the sealing between the sealing plate and the measuring barrel, liquid below the sealing plate is difficult to push by the atmospheric pressure to be reserved from the liquid outlet pipe, and liquid drainage is not smooth.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a metering device for metering a liquid sample, which solves the problems set forth in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a metering device for liquid taking and metering comprises a coarse metering barrel and a fine metering barrel arranged on the left side of the coarse metering barrel, wherein the coarse metering barrel is fixedly connected with the fine metering barrel through four groups of connecting columns, racks are inserted into the upper surfaces of the coarse metering barrel and the fine metering barrel in a sliding manner, a first liquid pressing plate is fixedly connected to the lower surface of the rack on the right side, a second liquid pressing plate is fixedly connected to the lower surface of the rack on the left side, a first gas electromagnetic valve is arranged on the left side of the upper surface of the first liquid pressing plate, a second gas electromagnetic valve is arranged on the left side of the upper surface of the second liquid pressing plate, vent holes are formed in the left sides of the upper surfaces of the coarse metering barrel and the fine metering barrel, the top on the right side of the outer surface of the coarse metering barrel is communicated with a feed inlet, adjusting devices are arranged in the middles of the upper surfaces of the coarse metering barrel and the fine metering barrel, each adjusting device comprises two groups of first supporting plates, the inner side surface of the first supporting plate is horizontally and rotatably connected with a gear and a worm wheel through an inserted rotating shaft, the adjusting device also comprises two groups of second supporting plates, the inner side surface of each second supporting plate is horizontally and rotatably connected with a worm and a rocking wheel through an inserted rotating rod, the gear is meshed with a rack, the worm is meshed with the worm wheel, the first supporting plate and the second supporting plate which are positioned on the right side are fixedly connected with the upper surface of the thick metering barrel, a right communicating pipe is communicated between the thick metering barrel and the thin metering barrel, the left side of the lower surface of the thin metering barrel is communicated with a left communicating pipe, the outer surface tops of the right communicating pipe and the left communicating pipe are fixedly connected with positioning scale rings, the lower surface of the thin metering barrel is communicated with a water outlet pipe with a valve, the left side of the outer surface of the thin metering barrel is fixedly connected with a placing table, the upper surface of the placing table is provided with a measuring cup, and the front sides of the outer surfaces of the thick metering barrel and the thin metering barrel are respectively provided with a first scale line and a second scale line, the equal fixedly connected with supporting leg in four corners of thick metering tank lower surface, the stable lantern ring has been cup jointed to rack surface slidable, is located the stable lantern ring on right side and is connected with thick metering tank upper surface fixed.

Preferably, the outer surface of the first supporting plate is provided with a ball bearing, and the first supporting plate is rotatably connected with the rotating shaft through the ball bearing.

Preferably, the inner side surface of the stabilizing lantern ring is fixedly connected with two groups of rectangular sliding strips, and the outer surface of the rack is provided with a rectangular sliding groove matched with the rectangular sliding strips.

Preferably, the outer surfaces of the first hydraulic plate and the second hydraulic plate are fixedly connected with sealing rings, and the sealing rings are made of rubber.

Preferably, place platform lower surface fixed connection has two sets of strengthening ribs, and the right flank of strengthening rib is connected with the external surface fixed of thin metering tank.

Preferably, the right communicating pipe and the left communicating pipe are both made of transparent acrylic, two groups of supporting blocks are fixedly connected to the outer surface of the left communicating pipe, and the supporting blocks are fixedly connected with the fine metering barrel.

(III) advantageous effects

Compared with the prior art, the utility model provides a metering device for liquid taking and metering, which has the following beneficial effects:

1. this metering device for getting liquid measurement, through thick metering barrel, thin metering barrel, right communicating pipe and left communicating pipe cooperation use for the user can extrude the inside liquid of thick metering barrel through first pressure liquid board, and then realizes a large amount of solution and draw, and can extrude the inside liquid of thin metering barrel through second pressure liquid board, and then realize a small amount of solution and draw, thereby further made things convenient for the user to the work of drawing of a large amount of solution and a small amount of solution, improved the device's suitability.

2. This metering device for getting liquid measurement uses through gear, rack, worm wheel and worm cooperation for rocking the wheel and driving the worm through the dwang and rotate, and the worm passes through worm wheel and axis of rotation and drives gear revolve, and the gear drives the rack and goes up and down, and the rack drives first pressure liquid board or second pressure liquid board and goes up and down, thereby has further improved the accuracy that first pressure liquid board and second pressure liquid board go up and down, has guaranteed the accuracy that solution extracted.

3. This metering device for metering to getting liquid, through setting up thick metering barrel and thin metering barrel, make under the condition of the same height of first pressure liquid board and second pressure liquid board decline, the right side is different with left communicating pipe exhaust liquid volume communicating pipe, thereby make the user select outlet pipe flowing back or left communicating pipe flowing back according to actual conditions, the efficiency that the solution drawed has been promoted, through setting up first scale mark and second scale mark, make the user can observe the volume of drawing of solution according to first scale mark and second scale mark, further made things convenient for the staff operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an expanded view of the present invention.

In the figure: 1. a coarse metering barrel; 101. a first scale mark; 2. a fine metering barrel; 201. a second scale mark; 3. connecting columns; 4. a rack; 5. a first hydraulic plate; 6. a second hydraulic plate; 7. a first gas solenoid valve; 8. a second gas solenoid valve; 9. a vent hole; 10. a feed inlet; 11. an adjustment device; 1101. a first support plate; 1102. a rotating shaft; 1103. a gear; 1104. a worm gear; 1105. a second support plate; 1106. rotating the rod; 1107. a worm; 1108. shaking the wheel; 12. a right communicating pipe; 13. a left communicating pipe; 14. positioning a scale ring; 15. a valve; 16. a water outlet pipe; 17. a placing table; 18. a measuring cup; 19. supporting legs; 20. and stabilizing the collar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a metering device for liquid taking and metering comprises a coarse metering barrel 1 and a fine metering barrel 2 arranged on the left side of the coarse metering barrel 1, wherein the coarse metering barrel 1 and the fine metering barrel 2 are fixedly connected through four groups of connecting columns 3, racks 4 are inserted into the upper surfaces of the coarse metering barrel 1 and the fine metering barrel 2 in a sliding manner, a first liquid pressing plate 5 is fixedly connected to the lower surface of the rack 4 on the right side, a second liquid pressing plate 6 is fixedly connected to the lower surface of the rack 4 on the left side, a first gas solenoid valve 7 is arranged on the left side of the upper surface of the first liquid pressing plate 5, a second gas solenoid valve 8 is arranged on the left side of the upper surface of the second liquid pressing plate 6, vent holes 9 are formed in the left sides of the upper surfaces of the coarse metering barrel 1 and the fine metering barrel 2, the top on the right side of the outer surface of the coarse metering barrel 1 is communicated with a feed inlet 10, adjusting devices 11 are arranged in the middles of the upper surfaces of the coarse metering barrel 1 and the fine metering barrel 2, each adjusting device 11 comprises two groups of first supporting plates 1101, the inner side surface of the first supporting plate 1101 is horizontally and rotatably connected with a gear 1103 and a worm wheel 1104 through an inserted rotating shaft 1102, the adjusting device 11 further comprises two groups of second supporting plates 1105, the inner side surface of the second supporting plate 1105 is horizontally and rotatably connected with a worm 1107 and a rocking wheel 1108 through an inserted rotating rod 1106, the gear 1103 is meshed with a rack 4, the worm 1107 is meshed with the worm wheel 1104, the first supporting plate 1101 and the second supporting plate 1105 positioned on the right side are both fixedly connected with the upper surface of the thick measuring tank 1, a right communicating pipe 12 is communicated between the thick measuring tank 1 and the thin measuring tank 2, the left side of the lower surface of the thin measuring tank 2 is communicated with a left communicating pipe 13, the tops of the outer surfaces of the right communicating pipe 12 and the left communicating pipe 13 are both fixedly connected with a positioning scale ring 14, the lower surface of the thin measuring tank 2 is communicated with a water outlet pipe 16 with a valve 15, the left side of the outer surface of the thin measuring tank 2 is fixedly connected with a placing platform 17, and the upper surface of the placing platform 17 is provided with a measuring cup 18, the front sides of the outer surfaces of the coarse metering barrel 1 and the fine metering barrel 2 are respectively provided with a first scale mark 101 and a second scale mark 201, four corners of the lower surface of the coarse metering barrel 1 are fixedly connected with supporting legs 19, the outer surface of the rack 4 is slidably sleeved with a stabilizing lantern ring 20, the stabilizing lantern ring 20 positioned on the right side is fixedly connected with the upper surface of the coarse metering barrel 1, the coarse metering barrel 2, the right communicating pipe 12 and the left communicating pipe 13 are matched for use, so that a user can extrude liquid in the coarse metering barrel 1 through the first liquid pressing plate 5 to further realize large-amount solution extraction, and can extrude liquid in the fine metering barrel 2 through the second liquid pressing plate 6 to further realize small-amount solution extraction, thereby further facilitating the extraction work of the user on a large amount of solution and a small amount of solution, improving the applicability of the device, and through the gear 1103, the rack 4, the worm gear 1104 and the worm are matched for use, the rocking wheel 1108 drives the worm 1107 to rotate through the rotating rod 1106, the worm 1107 drives the gear 1103 to rotate through the worm 1104 and the rotating shaft 1102, the gear 1103 drives the rack 4 to lift, the rack 4 drives the first liquid pressing plate 5 or the second liquid pressing plate 6 to lift, so that the lifting accuracy of the first liquid pressing plate 5 and the second liquid pressing plate 6 is further improved, the accuracy of solution extraction is ensured, by arranging the coarse measuring barrel 1 and the fine measuring barrel 2, under the condition that the first liquid pressing plate 5 and the second liquid pressing plate 6 descend to the same height, the volumes of liquid discharged by the right communicating pipe 12 and the left communicating pipe 13 are different, so that a user can select liquid discharge of the water outlet pipe 16 or the left communicating pipe 13 according to actual conditions, the efficiency of solution extraction is improved, by arranging the first scale mark 101 and the second scale mark 201, the user can observe the extraction amount of the solution according to the first scale mark 101 and the second scale mark 201, further facilitating the operation of workers.

In the present invention, in order to further enhance the stability of the rotation shaft 1102, the ball bearing is disposed on the outer surface of the first support plate 1101, the first support plate 1101 is rotatably connected to the rotation shaft 1102 through the ball bearing, and the ball bearing is disposed, thereby further enhancing the stability of the rotation shaft 1102.

In the utility model, in order to further enhance the motion stability of the rack 4, two groups of rectangular sliding strips are fixedly connected to the inner side surface of the stabilizing sleeve ring 20, rectangular sliding grooves matched with the rectangular sliding strips are formed in the outer surface of the rack 4, and the rectangular sliding strips are matched with the rectangular sliding grooves, so that the motion stability of the rack 4 is further enhanced.

In the utility model, in order to further enhance the sealing performance of the first hydraulic plate 5 and the second hydraulic plate 6, the outer surfaces of the first hydraulic plate 5 and the second hydraulic plate 6 are fixedly connected with sealing rings made of rubber, and the sealing performance of the first hydraulic plate 5 and the second hydraulic plate 6 is further enhanced by arranging the sealing rings.

In the utility model, in order to further enhance the supporting stability of the placing table 17, two groups of reinforcing ribs are fixedly connected to the lower surface of the placing table 17, and the right side surfaces of the reinforcing ribs are fixedly connected with the outer surface of the fine metering barrel 2, so that the reinforcing ribs play a role of stably supporting the placing table 17, and the supporting stability of the placing table 17 is further enhanced.

In the utility model, in order to further facilitate the observation of the liquid discharge condition by a user, the right communicating pipe 12 and the left communicating pipe 13 are both made of transparent acrylic, the outer surface of the left communicating pipe 13 is fixedly connected with two groups of supporting blocks, the supporting blocks are fixedly connected with the fine metering barrel 2, and the material arrangement of the right communicating pipe 12 and the left communicating pipe 13 is adopted, so that the observation of the liquid discharge condition by the user is further facilitated.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the rocking wheel 1108 is rotated, the rocking wheel 1108 drives the worm 1107 to rotate through the rotating rod 1106, the worm 1107 drives the gear 1103 to rotate through the worm wheel 1104 and the rotating shaft 1102, the gear 1103 drives the rack 4 to lift, the rack 4 drives the first liquid pressing plate 5 or the second liquid pressing plate 6 to lift, the first liquid pressing plate 5 and the second liquid pressing plate 6 are lifted to the highest positions, the first gas electromagnetic valve 7 and the second gas electromagnetic valve 8 are opened, the solution is injected into the coarse metering barrel 1 through the feed inlet 10, the solution flows into the right communicating pipe 12, the liquid level is flush with the positioning scale ring 14 on the right side, when a large amount of solution needs to be extracted, the first gas electromagnetic valve 7 is closed, the first liquid pressing plate 5 moves downwards, the solution starts to be extruded when the first liquid pressing plate 5 moves to the bottom of the feed inlet 10, the liquid pressing amount is controlled according to the liquid level and the first scale line 101, the solution enters the fine metering barrel 2 through the right communicating pipe 12, the valve 15 is opened, the solution is discharged from the water outlet pipe 16, when a small amount of solution is required to be extracted, the valve 15 is closed, the solution is continuously injected into the thin metering barrel 2, the solution liquid level in the thin metering barrel 2 is flush with the positioning scale ring 14 on the left side, the hydraulic pressure of the first hydraulic plate 5 is stopped, the second gas electromagnetic valve 8 is closed, the second hydraulic plate 6 is made to move downwards, the hydraulic pressure is controlled according to the liquid level and the second scale mark 201, the solution is discharged into the measuring cup from the left communicating pipe 13, and the extraction of the small amount of solution is completed.

To sum up, this metering device for getting liquid measurement, through thick metering tank 1, thin metering tank 2, right communicating pipe 12 and left communicating pipe 13 cooperation use for the user can extrude the inside liquid of thick metering tank 1 through first pressure liquid board 5, and then realize a large amount of solution and draw, and can extrude the inside liquid of thin metering tank 2 through second pressure liquid board 6, and then realize a small amount of solution and draw, thereby further made things convenient for the user to the work of drawing of a large amount of solution and a small amount of solution, improved the device's suitability.

This metering device for liquid measurement is got to, through gear 1103, rack 4, worm wheel 1104 and worm 1107 cooperation are used, make to shake wheel 1108 and drive worm 1107 through dwang 1106 and rotate, worm 1107 drives gear 1103 through worm wheel 1104 and axis of rotation 1102 and rotates, gear 1103 drives rack 4 and goes up and down, rack 4 drives first pressure liquid board 5 or the lift of second pressure liquid board 6, thereby further improved the accuracy nature of first pressure liquid board 5 and the lift of second pressure liquid board 6, the accuracy of solution extraction has been guaranteed.

This metering device for getting liquid measurement, through setting up thick metering bucket 1 and thin metering bucket 2, make under the circumstances of the same height of first pressure liquid board 5 and second pressure liquid board 6 decline, right communicating pipe 12 is different with left communicating pipe 13 exhaust liquid volume, thereby make the user select outlet pipe 16 flowing back or left communicating pipe 13 flowing back according to actual conditions, the efficiency that the solution drawed has been promoted, through setting up first scale mark 101 and second scale mark 201, make the user can observe the extraction volume of solution according to first scale mark 101 and second scale mark 201, further made things convenient for the staff operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a to get liquid for measurement metering device, includes thick metering tank (1) and sets up at left thin metering tank (2) of thick metering tank (1), its characterized in that: the coarse metering barrel (1) and the fine metering barrel (2) are fixedly connected through four groups of connecting columns (3), racks (4) are inserted on the upper surfaces of the coarse metering barrel (1) and the fine metering barrel (2) in a sliding manner, a first liquid pressing plate (5) is fixedly connected to the lower surface of the rack (4) on the right side, a second liquid pressing plate (6) is fixedly connected to the lower surface of the rack (4) on the left side, a first gas electromagnetic valve (7) is arranged on the left side of the upper surface of the first liquid pressing plate (5), a second gas electromagnetic valve (8) is arranged on the left side of the upper surface of the second liquid pressing plate (6), vent holes (9) are formed in the left sides of the upper surfaces of the coarse metering barrel (1) and the fine metering barrel (2), a feed inlet (10) is communicated with the top on the right side of the outer surface of the coarse metering barrel (1), and an adjusting device (11) is arranged in the middle of the upper surfaces of the coarse metering barrel (1) and the fine metering barrel (2), the adjusting device (11) comprises two groups of first supporting plates (1101), the inner side surfaces of the first supporting plates (1101) are connected with a gear (1103) and a worm wheel (1104) in a horizontal rotating mode through an insertion rotating shaft (1102), the adjusting device (11) further comprises two groups of second supporting plates (1105), the inner side surfaces of the second supporting plates (1105) are connected with a worm (1107) and a rocking wheel (1108) in a horizontal rotating mode through a rotating rod (1106) in an insertion mode, the gear (1103) is meshed with a rack (4), the worm (1107) is meshed with the worm wheel (1104), the first supporting plates (1101) and the second supporting plates (1105) on the right side are fixedly connected with the upper surface of the coarse metering barrel (1), a right communicating pipe (12) is communicated between the coarse metering barrel (1) and the fine metering barrel (2), and a left communicating pipe (13) is communicated with the lower surface of the fine metering barrel (2), the utility model discloses a measuring device, including the equal fixedly connected with in right side communicating pipe (12) and left communicating pipe (13) surface top location scale ring (14), thin metering tank (2) lower surface intercommunication has outlet pipe (16) that have valve (15), platform (17) are placed to thin metering tank (2) surface left side fixedly connected with, it is provided with graduated flask (18) to place platform (17) upper surface, thick metering tank (1) and thin metering tank (2) surface front side are provided with first scale mark (101) and second scale mark (201) respectively, the equal fixedly connected with supporting leg (19) in four corners of thick metering tank (1) lower surface, rack (4) surface slidable has cup jointed the stable lantern ring (20), is located the stable lantern ring (20) and the fixed surface is connected on thick metering tank (1) on right side.

2. A metering device for metering a withdrawn liquid according to claim 1, characterized in that: the outer surface of the first supporting plate (1101) is provided with a ball bearing, and the first supporting plate (1101) is rotatably connected with the rotating shaft (1102) through the ball bearing.

3. A metering device for metering a withdrawn liquid according to claim 1, characterized in that: the inner side face of the stabilizing sleeve ring (20) is fixedly connected with two groups of rectangular sliding strips, and the outer surface of the rack (4) is provided with a rectangular sliding groove matched with the rectangular sliding strips.

4. A metering device for metering a withdrawn liquid according to claim 1, characterized in that: the outer surfaces of the first hydraulic plate (5) and the second hydraulic plate (6) are fixedly connected with sealing rings, and the sealing rings are made of rubber.

5. A metering device for metering a withdrawn liquid according to claim 1, characterized in that: the lower surface of the placing table (17) is fixedly connected with two groups of reinforcing ribs, and the right side surfaces of the reinforcing ribs are fixedly connected with the outer surface of the fine metering barrel (2).

6. A metering device for metering a withdrawn liquid according to claim 1, characterized in that: the right communicating pipe (12) and the left communicating pipe (13) are both made of transparent acrylic, two groups of supporting blocks are fixedly connected to the outer surface of the left communicating pipe (13), and the supporting blocks are fixedly connected with the fine metering barrel (2).