CN218030566U

CN218030566U - Pump pipe device with stirring paddle

Info

Publication number: CN218030566U
Application number: CN202221600543.3U
Authority: CN
Inventors: 章瑨; 李雪
Original assignee: Hangzhou Ace Medical Technology Co ltd
Current assignee: Hangzhou Ace Medical Technology Co ltd
Priority date: 2022-06-25
Filing date: 2022-06-25
Publication date: 2022-12-13
Anticipated expiration: 2032-06-25

Abstract

The utility model relates to a biomedical experimental apparatus, concretely relates to pump line device of subsidiary stirring rake. Including fixing device, rotating tube and sampling tube, the rotating tube hollow tube that link up from top to bottom, the sampling tube set up the hollow tube in, the rotating tube with fixing device rotate and connect, the rotating tube outer wall on be provided with stirring paddle leaf, fixing device on still be provided with and be used for driving rotating tube pivoted drive arrangement. The utility model discloses a rotatable rotating tube and stirring paddle leaf on its outer wall realize carrying out the effect of taking a sample when carrying out even stirring to the sample, and the sampling tube can not collided by stirring paddle leaf when both go on in step. When the sample sampling device is used for sampling samples such as magnetic particle turbid liquid, the better uniformity of the samples after subpackage is ensured.

Description

Pump pipe device with stirring paddle

Technical Field

The utility model relates to a biomedical experimental apparatus, concretely relates to pump line device of subsidiary stirring rake.

Background

The current liquid sampling mode mainly has two kinds of thief rod sample and thief hatch sample, and wherein, the thief rod sample is stretched into the inside sample that takes place of container with the thief rod from the container mouth, then packs into in the special sampling bottle. The sampling port is used for sampling by opening a sampling port at the bottom of the tank or on a material conveying pipeline.

As in chinese patent application No.: the CN202122440365.4 describes a liquid sampling system, including a liquid tank, a stirring apparatus, a peristaltic pump, and a sampling hose matched with the peristaltic pump, where the liquid tank is provided with a first sampling preformed hole, one end of the sampling hose extends into the liquid tank from the first sampling preformed hole, a liquid suction port of the sampling hose is disposed below a liquid level, and the other end of the sampling hose passes through a space between a roller and an upper pressing block in the peristaltic pump and extends out of a pipe clamp of the peristaltic pump; the stirring device comprises a stirring motor arranged at the top of the liquid tank and a stirring paddle arranged in the liquid tank, and the stirring paddle extends below the liquid level; still be provided with second sample connection, third sampling tube and third sample valve on the liquid tank, the second sample connection sets up in the liquid tank top, and the third sample connection sets up in liquid tank lateral wall bottom, and an n end and the third sample connection intercommunication of third sampling tube, the other end of third sampling tube set up W and have the third sample valve.

However, when a sample such as a suspension of magnetic particles is sampled, the magnetic particles settle at a high speed, and thus the uniformity of the sample cannot be ensured by the two sampling methods.

When the magnetic particle suspension and the like are sampled, the magnetic particle suspension and the like are generally mixed uniformly and then sampled by using a liquid-transferring gun or a peristaltic pump, the mixing operation is frequently carried out, and the uniformity of sampling cannot be well ensured;

the other operation mode is to use a stirring paddle to mix evenly and use a peristaltic pump to sample, but the operation is inconvenient due to the limitation of the opening of a container, and meanwhile, a peristaltic pump pipe is also at the risk of collision of the stirring paddle.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a pump line device of subsidiary stirring rake in order to solve foretell problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a pump line device of subsidiary stirring rake, includes fixing device, rotating tube and sampling tube, the hollow tube that the rotating tube link up from top to bottom, the sampling tube set up the hollow tube in, the rotating tube with fixing device rotate and connect, the rotating tube outer wall on be provided with stirring paddle leaf, fixing device on still be provided with and be used for driving rotating tube pivoted drive arrangement. The upper end of the sampling tube is connected with a peristaltic pump. Through the stirring paddle leaf on rotatable rotating tube and its outer wall, stir columniform sample container, especially stir the faster sample of inside particle settling velocity such as magnetic particle turbid liquid, sample through the sampling tube at rotating tube center when stirring, the effect of taking a sample when realizing carrying out the even stirring to the sample, and the sampling tube can not collided by stirring paddle leaf when both go on in step. When the sample sampling device is used for sampling samples such as magnetic particle turbid liquid, the better uniformity of the samples after subpackage is ensured.

Optionally, the fixing device includes a lower fixing ring plate and an upper fixing ring plate, the rotating pipe is rotatably connected to the lower fixing ring plate, a bearing is further disposed between the rotating pipe and the lower fixing ring plate, the upper fixing ring plate is in threaded connection with the lower fixing ring plate, an upper through hole for the sampling pipe to pass through is formed in the upper fixing ring plate, and the driving device is disposed on the upper fixing ring plate. Through upper and lower fixed ring board, provide a support part for the sample, can be handled by the staff during operation and take off the surface of upper and lower fixed ring board and operate, also can pretend the lower fixed ring board in the bottleneck department of sample container, adopt the mode of atmospheric pressure absorption or dog, make lower fixed ring board and sample container can not take place relative rotation.

Optionally, the driving device includes shell, motor, pinion and power, the motor with the power all set up in the shell, rotating tube upper end fixedly connected with the pinion complex gear wheel, the power with the motor electricity be connected, the motor output with the pinion connect. The rotation of the rotating tube is controlled by the connection of the operating power supply and the motor. Furthermore, a control circuit can be adopted, and the output rotating speed of the rotating pipe is controlled by controlling the output rotating speed of the motor so as to adapt to sampling requirements of different requirements. The pinion is installed from last solid fixed ring inboard direction, is provided with the recess of U type on its axle end, the motor output on have the arch that corresponds with the recess of U type, only need during the use aim at the motor output pinion axle end on the solid fixed ring board outer wall and insert, can drive the pinion and rotate. The small gear and the big gear are both helical gears, and the upper end of the big gear is provided with a baffle ring for blocking the small gear.

Optionally, the surface of the rotating tube is attached with a polystyrene coating. The polystyrene coating can ensure that the rotating tube has lower adsorption rate to the solution.

Optionally, the stirring paddle is provided with a plurality of stirring paddles, and the stirring paddle is annularly arranged on the outer wall of the rotating pipe.

Optionally, the stirring paddle is made of a flexible material. The stirring paddle blade made of flexible materials can be automatically unfolded under the action of centrifugal force when rotating, so that the stirring radius of the stirring paddle blade is enlarged, and a better stirring effect is achieved.

Optionally, the tail ends of the stirring blades are arranged in the direction of the fixing device in an oblique manner. The stirring blades arranged in the direction of the oblique fixing device are easy to put into the small-caliber container.

Optionally, the rotating pipe is further provided with a liquid flowing through hole, and the liquid flowing through hole is arranged above the stirring paddle. Through liquid flow through-hole, can design stirring paddle leaf and have unanimous direction, liquid when making the stirring can form the circulation through liquid flow through-hole, strengthens stirring effect.

The utility model discloses the beneficial technological effect who possesses is: through the stirring paddle leaf on rotatable rotating tube and its outer wall, stir columniform sample container, especially stir the faster sample of inside particle settling velocity such as magnetic particle turbid liquid, sample through the sampling tube at rotating tube center when stirring, the effect of taking a sample when realizing carrying out even stirring to the sample, and the sampling tube can not collided by stirring paddle leaf when both go on in step. When the sample sampling device is used for sampling samples such as magnetic particle turbid liquid, the better uniformity of the samples after subpackage is ensured.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an enlarged schematic view of the fixing device of the present invention.

Reference numerals: 1-rotating tube, 2-sampling tube, 3-stirring blade, 4-liquid flowing through hole, 5-upper fixed ring plate, 6-lower fixed ring plate, 7-bearing, 8-upper through hole, 9-shell, 10-motor, 11-pinion, 12-power supply, 13-bull gear and 14-baffle ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, a pump tube device with a stirring paddle comprises a fixing device, a rotating tube 1 and a sampling tube 2, wherein the rotating tube 1 is a hollow tube which is through from top to bottom, the sampling tube 2 is arranged in the hollow tube, the rotating tube 1 is rotatably connected with the fixing device, the outer wall of the rotating tube 1 is provided with a stirring paddle blade 3, and the fixing device is also provided with a driving device for driving the rotating tube 1 to rotate. The upper end of the sampling tube 2 is connected with a peristaltic pump. The surface of the rotating tube 1 is attached with a polystyrene coating. The polystyrene coating can ensure that the rotating tube 1 has lower adsorption rate to the solution. The stirring paddle 3 has a plurality of, and stirring paddle 3 cyclic annular sets up on rotating tube 1 outer wall. The stirring paddle 3 is made of flexible material. The stirring paddle 3 made of flexible material can be unfolded automatically under the action of centrifugal force when rotating, so that the stirring radius of the stirring paddle is enlarged, and the stirring effect is better. The tail ends of the stirring blades 3 are obliquely arranged in the direction of the fixing device. The stirring paddle 3 arranged in the direction of the oblique fixing device is easy to be put into a small-caliber container. The rotating pipe 1 is also provided with a liquid flowing through hole 4, and the liquid flowing through hole 4 is arranged above the stirring paddle blade 3. Through liquid flow through hole 4, can design stirring paddle 3 to have unanimous direction, make the liquid when stirring can form the circulation through liquid flow through hole 4, strengthen the stirring effect.

The fixing device comprises a lower fixing ring plate and an upper fixing ring plate 5, the rotating tube 1 is rotatably connected to the lower fixing ring plate, a bearing 7 is further arranged between the rotating tube 1 and the lower fixing ring plate, the upper fixing ring plate 5 is in threaded connection with the lower fixing ring plate, an upper through hole 8 for the sampling tube 2 to pass through is formed in the upper fixing ring plate 5, and the driving device is arranged on the upper fixing ring plate 5. Through upper and lower fixed ring board, provide a support part for the sample, can be handled by the staff during operation and take off the surface of upper and lower fixed ring board and operate, also can pretend the lower fixed ring board in the bottleneck department of sample container, adopt the mode of atmospheric pressure absorption or dog, make lower fixed ring board and sample container can not take place relative rotation.

The driving device comprises a shell 9, a motor 10, a pinion 11 and a power supply 12, wherein the motor 10 and the power supply 12 are both arranged in the shell 9, the upper end of the rotating tube 1 is fixedly connected with a large gear 13 matched with the pinion 11, the power supply 12 is electrically connected with the motor 10, and the output end of the motor 10 is connected with the pinion 11. Whether the rotating tube 1 is rotated or not is controlled by operating the power source 12 to be connected to the motor 10 or not. Further, a control circuit can be adopted to control the output rotation speed of the rotating tube 1 by controlling the output rotation speed of the motor 10 so as to adapt to sampling requirements of different requirements. Pinion 11 installs from last fixed crown plate 5 inboard direction, is provided with the recess of U type on its axle end, has the arch that corresponds with the recess of U type on the motor 10 output, only needs during the use to aim at the pinion 11 axle end on the outer wall of last fixed crown plate 5 with motor 10 output and inserts, can drive pinion 11 and rotate. The small gear 11 and the large gear 13 are both helical gears, and the upper end of the large gear 13 is provided with a retaining ring 14 for retaining the small gear 11.

The utility model discloses a stirring paddle leaf 3 on rotatable rotating tube 1 and its outer wall stirs columniform sample container, especially stirs the faster sample of inside particle settling velocity such as magnetic particle turbid liquid, samples through sampling tube 2 at rotating tube 1 center in the time of the stirring, carries out the effect of taking a sample when realizing carrying out even stirring to the sample, and sampling tube 2 can not collided by stirring paddle leaf 3 when both go on in step. When the sample sampling device is used for sampling samples such as magnetic particle turbid liquid, the better uniformity of the samples after subpackage is ensured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a pump line device of subsidiary stirring rake which characterized in that: including fixing device, rotating tube and sampling tube, the rotating tube hollow tube that link up from top to bottom, the sampling tube set up the hollow tube in, the rotating tube with fixing device rotate and connect, the rotating tube outer wall on be provided with stirring paddle leaf, fixing device on still be provided with and be used for driving rotating tube pivoted drive arrangement.

2. The pump tube device with the stirring blade as set forth in claim 1, wherein: the fixing device comprises a lower fixing ring plate and an upper fixing ring plate, the rotating pipe is rotatably connected to the lower fixing ring plate, a bearing is further arranged between the rotating pipe and the lower fixing ring plate, the upper fixing ring plate is in threaded connection with the lower fixing ring plate, an upper through hole for the sampling pipe to pass through is formed in the upper fixing ring plate, and the driving device is arranged on the upper fixing ring plate.

3. The pump tube device with the stirring blade as set forth in claim 2, wherein: the driving device comprises a shell, a motor, a pinion and a power supply, wherein the motor and the power supply are arranged in the shell, the upper end of the rotating tube is fixedly connected with a gearwheel matched with the pinion, the power supply is electrically connected with the motor, and the output end of the motor is connected with the pinion.

4. The pump tube device with a stirring paddle according to any one of claims 1 to 3, wherein: the surface of the rotating pipe is attached with a polystyrene coating.

5. The pump tube device with the stirring blade as set forth in any one of claims 1 to 3, wherein: the stirring paddle is annularly arranged on the outer wall of the rotating pipe.

6. The pump tube device with a stirring paddle according to any one of claims 1 to 3, wherein: the stirring paddle is made of flexible materials.

7. The pump tube device with the stirring blade as set forth in claim 6, wherein: the tail ends of the stirring blades are obliquely arranged in the direction of the fixing device.

8. The pump tube device with the stirring blade as set forth in any one of claims 1 to 3, wherein: the rotating pipe is also provided with a liquid flowing through hole, and the liquid flowing through hole is arranged above the stirring paddle blade.