CN211725626U

CN211725626U - Small-size agitating unit

Info

Publication number: CN211725626U
Application number: CN201921812723.6U
Authority: CN
Inventors: 尚美洁; 张洁明; 喻敏; 刘陈瑶
Original assignee: Electric Power Research Institute of Guangxi Power Grid Co Ltd
Current assignee: Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority date: 2019-10-27
Filing date: 2019-10-27
Publication date: 2020-10-23
Anticipated expiration: 2029-10-27

Abstract

The utility model discloses a small-sized stirring device, which comprises a bracket and a stirring cup arranged on the bracket, wherein a rotating body is rotatably arranged at the bottom inside the stirring cup, the rotating body is transversely arranged, first magnets are respectively arranged at two ends of the rotating body, and stirring blades for stirring are also arranged on the rotating body; the motor is arranged below the stirring cup, the rotating disc is arranged on an output shaft of the motor and is positioned right below the rotating body and close to the rotating body, and the second magnet is arranged at the position of the rotating disc corresponding to the first magnet. The utility model discloses a motor drives the carousel, and second magnet on the carousel acts on with first magnet, and the rotor that drives in the stirring cup under magnetic force action rotates to drive the stirring leaf and rotate and realize the stirring, the position of motor is settled simply under this mode, getting of container is put easily, and in the output shaft of motor need not to stretch into the stirring cup, does not have the risk of revealing, and makes the stirring cup can remove, the transfer of the mixed liquid of being convenient for, gets and put.

Description

Small-size agitating unit

Technical Field

The utility model relates to a chemistry detection device technical field especially relates to a small-size agitating unit.

Background

After the transformer runs for a long time, substances such as furfural and metal passivators are generated in insulating oil, and other compounds in the oil need to be quantitatively detected regularly. The most common method is to extract a small amount of insulating oil, mix it with an extractant (such as methanol, etc.) under stirring, then centrifuge, extract the compounds in the oil into the extractant, and then analyze the extractant containing the compounds in liquid chromatography for quantitative detection. The key steps are stirring and mixing of transformer insulating oil and an extracting agent, taking a certain amount of oil sample and extraction liquid into a container (such as a beaker or a centrifuge tube), and then stirring and mixing. The existing stirring device, such as a stirring tank, is often large in size and suitable for stirring and mixing large-size substances, and the single stirring amount of transformer insulating oil is not large, so that the existing stirring device is not suitable for use. A driving device (motor) of a small stirring device is positioned above a container for containing transformer insulating oil, stirring blades are required to be placed in the container during stirring, and high requirements are required for placement of the driving device and taking and placing of the container, so that the whole device is complex in structure and high in operation difficulty; the other small stirring device is provided with a driving device which is arranged below a shared container for containing transformer insulating oil and an extracting agent, and then an output shaft penetrates through the bottom of the container to be connected with a stirring blade positioned in the container to realize stirring. Therefore, for small-sized stirring, a plurality of problems exist, and the use is limited, so that the stirring and mixing of the transformer insulating oil and the extracting agent are basically realized by manually shaking up and down at present, and for the detection of multiple samples, a lot of physical force and time are consumed, and the detection efficiency is greatly influenced.

SUMMERY OF THE UTILITY MODEL

To above not enough, the utility model provides a small-size agitating unit through the effect of magnetic force, drives the stirring leaf and rotates to realize portably, the efficient stirring.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a small-sized stirring device comprises a bracket and a stirring cup arranged on the bracket, wherein a rotating body is rotatably arranged at the bottom inside the stirring cup, the rotating body is transversely arranged, two ends of the rotating body are respectively provided with a first magnet, and the rotating body is also provided with a stirring blade for stirring; the below of stirring cup is provided with a motor, install the carousel on the output shaft of motor, the carousel is located under the rotor and be close to the rotor, the carousel is equipped with the second magnet in the position department corresponding to first magnet.

Further, the stirring cup is arranged on the bracket in a plugging or threaded connection mode.

Furthermore, the number of the second magnets is two, four or eight, the second magnets are uniformly distributed on the turntable and are all positioned on one circumference of the turntable.

Further, the support is in including bottom plate, setting the pole setting of bottom plate top surface and the arrangement frame that is used for settling the stirring cup, be equipped with the sleeve on the arrangement frame, the sleeve cover is established in order to make in the pole setting the arrangement frame can be followed vertically reciprocate of pole setting, set up threaded hole on the telescopic lateral wall, the threaded hole internal match is equipped with the housing bolt who is used for supporting the pole setting.

Furthermore, the vertical rod is a square rod, and the inner ring of the sleeve is a square hole with the same cross section as the vertical rod.

Further, the stirring blade is a bent blade type stirring blade or a paddle type stirring blade or a folding type stirring blade.

Further, the motor is a forward and reverse rotating motor.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a small-size agitating unit drives the carousel through the motor, and second magnet and first magnet effect on the carousel drive the rotor rotation in the stirring cup under magnetic force effect to drive the stirring leaf and rotate and realize the stirring, the position of motor is settled simply under this mode, getting of container is easy, and the output shaft of motor need not to stretch into in the stirring cup, does not have the risk of revealing, and makes the stirring cup can remove, the transfer of the mixed liquid of being convenient for, gets and put.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

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

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

fig. 4 is an exploded view of fig. 1.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, the preferred embodiment provides a small stirring device, which mainly includes a bracket 1, a stirring cup 3 disposed on the bracket 1, and a motor 2 disposed below the stirring cup 3.

The support 1 comprises a bottom plate 11, a vertical rod 12 arranged on the top surface of the bottom plate 11 and a placing frame 13 for placing the stirring cup 3. The base plate 11 is of a plate-like construction, in a transverse manner, to provide support. The upright 12 is vertically arranged and arranged at one side edge of the bottom plate 11. The installation frame 13 is annular, and a sleeve 14 is integrally arranged on the outer side of the installation frame 13, and the sleeve 14 is sleeved on the vertical rod 12 so that the installation frame 13 can move up and down along the longitudinal direction of the vertical rod 12, that is, the installation frame 13 can be adjusted in height. The lateral wall of the sleeve 14 is provided with a threaded hole, a compression bolt 15 used for abutting against the vertical rod 12 is matched in the threaded hole, when the compression bolt 15 is screwed to abut against the vertical rod 12, the sleeve 14 and the mounting frame 13 can be fixed at the corresponding position of the vertical rod 12, and after the compression bolt 15 is unscrewed, the sleeve 14 and the mounting frame 13 can move up and down on the vertical rod 12 to realize height adjustment.

In the preferred embodiment, the upright 12 is a square pole, i.e., the upright 12 has a square cross-section. The inner ring of the sleeve 14 is a square hole with the same section as the upright rod 12, and at the moment, the sleeve 14 is sleeved outside the upright rod 12 and can only move up and down but cannot rotate, so that the placing frame 13 for placing the stirring cup 3 cannot swing due to rotation.

Stirring cup 3 is settled on support 1, and its accessible is pegged graft or threaded connection mode is installed on support 1 to realize that stirring cup 3 can fix on support 1 so that realize the stirring, also can be convenient for stir cup 3 and take off from support 1, with the removal that realizes stirring cup 3, be convenient for mix the liquid transfer, get and put etc.. In this preferred embodiment, stirring cup 3 is settled on settling frame 13, specifically has seted up the internal thread for settling frame 13's inboard, and the corresponding external screw thread of having seted up in the outside of stirring cup 3, and stirring cup 3 is fixed on settling frame 13 through threaded connection mode installation during the installation, has both guaranteed the detachable mounting means, also can make stirring in-process stirring cup 3 can not rotate and influence the stirring effect. In other preferred modes, the stirring cup can also be arranged on the mounting frame 13 by means of plugging and the like, for example, the stirring cup 3 is inserted on the annular mounting frame 13 by means of interference fit to achieve installation and fixation.

A rotating body 4 is rotatably mounted at the bottom inside the stirring cup 3, and in the preferred embodiment, a raised circular shaft is arranged at the bottom inside the stirring cup 3, and the rotating body 4 is mounted on the circular shaft through a bearing so as to realize stable and smooth rotation. The rotor 4 is transversely arranged, and first magnets 7 are respectively arranged at two ends of the rotor. In order to facilitate the smooth rotation of the rotating body 4 in the mixed liquid, the rotating body 4 is a rod-shaped structure with an arc-shaped side surface or a flat rod-shaped structure, and in the preferred embodiment, the rotating body 4 is a rod-shaped structure with an arc-shaped side surface to reduce the resistance during rotation. The rotor 4 is provided with a stirring blade 5 for realizing stirring, the stirring blade 5 is fixedly mounted on the rotor 4, and a bent blade type stirring blade or a paddle type stirring blade or a hinge type stirring blade can be preferred, and in the preferred embodiment, the stirring blade 5 preferably uses a bent blade type stirring blade to realize rapid stirring.

A motor 2 is arranged below the stirring cup 3, the motor 2 is fixedly arranged on the bottom plate 11, and in the preferred embodiment, the motor 2 is a forward and reverse rotation motor, so that forward rotation can be realized, and reverse rotation can also be switched. The output shaft of the motor 2 is provided with a rotary disc 6, the rotary disc 6 is horizontally arranged, the rotary disc 6 is positioned under the rotating body 4 and close to the rotating body 4, namely the rotary disc 6 is positioned under the stirring cup 3. The turntable 6 is provided with a second magnet 8 at a position corresponding to the first magnet 7, i.e. when the turntable 6 or the rotor 4 is rotated to a certain angle, the projections of the first magnet 7 and the second magnet 8 overlap or substantially overlap. The first magnet 7 and the second magnet 8 may be attracted to each other or may be repelled from each other. When the second magnet 8 is mutually attracted, the first magnet 7 is attracted to rotate together due to the attraction force when the second magnet 8 rotates; when the magnets repel each other, the second magnet 8 rotates to drive the first magnet 7 to rotate together due to the repulsive force. However, in order to ensure smooth rotation, the first magnet 7 and the second magnet 8 can only be in a form of simultaneous attraction or simultaneous repulsion. In the preferred embodiment, the first magnet 7 and the second magnet 8 are attracted to each other. The second magnets 8, which are preferably two or four or eight, are evenly distributed over the turntable 6 and are all located on one circumference of the turntable 6. In the preferred embodiment, there are four second magnets 8.

When the stirring device is used, the mixed liquid to be stirred is poured into the stirring cup 3, then the stirring cup 3 is fixed on the mounting frame 13, the height of the stirring cup 3 can be adjusted by adjusting the height of the mounting frame 13, and the interaction force is stronger as the first magnet 7 and the second magnet 8 are closer, so that the intensity of the interaction force of the first magnet 7 and the second magnet 8 can be adjusted by adjusting the height of the mounting frame 13, so that the stirring speed and the stirring efficiency can be adjusted; after the stirring cup 3 is installed and the height is adjusted, the motor 2 is started, the motor 2 drives the rotary disc 6 to rotate, the second magnet 8 rotates together, the first magnet 7 and the rotor 4 are driven to rotate under the action of the first magnet 7 during rotation, and the rotor 4 rotates to drive the stirring blade 5 to rotate so as to realize stirring. The utility model provides a small-size agitating unit, drive carousel 6 through motor 2, second magnet 8 and first magnet 7 effect on the carousel 6, the rotor 4 that drives in stirring cup 3 under the magnetic force effect rotates, rotate to drive stirring leaf 5 and realize the stirring, the position of motor is settled simply under this mode, getting of container is easy, and in motor 2's output shaft need not to stretch into stirring cup 3, the risk of not revealing, and make stirring cup 3 can remove, be convenient for mix the transfer of liquid, get and put.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A small-size agitating unit which characterized in that: the stirring device comprises a support (1) and a stirring cup (3) arranged on the support (1), wherein a rotating body (4) is rotatably arranged at the bottom inside the stirring cup (3), the rotating body (4) is transversely arranged, two ends of the rotating body are respectively provided with a first magnet (7), and a stirring blade (5) for stirring is further arranged on the rotating body (4); the below of stirring cup (3) is provided with a motor (2), install carousel (6) on the output shaft of motor (2), carousel (6) are located under rotor (4) and near rotor (4), carousel (6) are equipped with second magnet (8) in the position department corresponding to first magnet (7).

2. A compact stirring device as defined in claim 1, wherein: the stirring cup (3) is arranged on the bracket (1) in a plugging or threaded connection mode.

3. A compact stirring device as defined in claim 1, wherein: the number of the second magnets (8) is two, four or eight, the second magnets are uniformly distributed on the rotary table (6) and are all positioned on one circumference of the rotary table (6).

4. A compact stirring device as defined in claim 1, wherein: support (1) is in including bottom plate (11), setting pole setting (12) of bottom plate (11) top surface and arrangement frame (13) that are used for settling stirring cup (3), be equipped with sleeve (14) on arranging frame (13), sleeve (14) cover is established in order to make on pole setting (12) it can follow to arrange frame (13) the vertical reciprocating of pole setting (12), set up threaded hole on the lateral wall of sleeve (14), threaded hole match is equipped with clamp bolt (15) that are used for supporting pole setting (12).

5. A compact stirring device as defined in claim 4, wherein: the upright rod (12) is a square rod, and the inner ring of the sleeve (14) is a square hole with the same cross section as the upright rod (12).

6. A compact stirring device as defined in claim 1, wherein: the stirring blade (5) is a bent blade type stirring blade or a paddle type stirring blade or a folding type stirring blade.

7. A compact stirring device as defined in claim 1, wherein: the motor (2) is a positive and negative rotation motor.