CN220514063U

CN220514063U - Multi-head magnetic stirrer

Info

Publication number: CN220514063U
Application number: CN202322064296.0U
Authority: CN
Inventors: 王蕊; 李青
Original assignee: Hefei Fanhua Pharmaceutical Development Co ltd
Current assignee: Hefei Fanhua Pharmaceutical Development Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-23
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses a multi-head magnetic stirrer, which relates to the technical field of stirrers and comprises a base, wherein a driving mechanism is arranged in the base, the top of the base is fixedly connected with a cover plate, the top of the cover plate is provided with at least two bearing pieces, and a container can be arranged on the bearing pieces; the top of the base is also provided with an inverted L-shaped supporting plate, the transverse supporting plate of the supporting plate is provided with a transparent cover body which corresponds to the bearing piece and can move up and down and a stirring unit which is positioned in the transparent cover body, and meanwhile, the cover body can cover a container port; the tail end of the cover body extends inwards and then vertically upwards to form a reserved groove. The utility model can limit the container up and down, prevent the container from slipping or moving to cause liquid splashing during the stirring process, and simultaneously prevent liquid splashing during the stirring process and prevent test samples from being polluted due to sundries falling into the container under the cooperation of the cover body.

Description

Multi-head magnetic stirrer

Technical Field

The utility model relates to the technical field of stirrers, in particular to a multi-head magnetic stirrer.

Background

The multi-head magnetic stirrer is a necessary ideal tool for modern petroleum, chemical industry, medicine and health, environmental protection, biochemistry, experimental analysis and education and scientific research, is simple and convenient to operate, can carry out stepless speed regulation, can carry out precise and stable stirring on liquid solution in a wider speed range, is particularly suitable for the test of small-volume samples, and can be divided into three types of non-heating type, heating type and constant temperature type.

For example, a multi-head magnetic heating stirrer is proposed by publication number CN217725378U, which relates to the technical field of stirrers and comprises a power box, a stirring unit and a driving heating unit; a front supporting plate is arranged at the rear side of the upper end of the power box, and a diaphragm plate is arranged in the power box; the stirring unit comprises a stirring rotating column, a lifting column handle, a double-end stud, magnetic force shifting plates, a connecting column screw barrel and a temperature sensor, wherein the left side and the right side of the upper end of the front supporting plate are respectively and slidably connected with the stirring rotating column, the lifting column handle is arranged at the upper end of the stirring rotating column, the double-end stud is vertically arranged at the lower end of the stirring rotating column, one ends, close to the two magnetic force shifting plates, of the stirring rotating column are respectively connected with the front end and the rear end of the double-end stud through two connecting column screw barrels in a threaded manner, and the two magnetic force shifting plates are respectively provided with magnetic strips.

According to the scheme, the multi-head magnetic heating and stirring can be carried out on two groups of solutions synchronously, and the double heads rotate during stirring, so that the stirring is more stable, the stability of the solution temperature is facilitated, and the heating effect is improved; however, the applicant finds that when the stirring is performed, the surface temperature of the container filled with the liquid can reach hundreds of degrees centigrade, the operator or other personnel can be scalded by mistake, and the risk that foreign matters fall into the container exists, so that a test sample is polluted, the use safety is affected, and in the stirring process, the container is easy to slip or shift, so that the liquid splashes outside, and the personal safety of the operator is threatened.

Disclosure of Invention

In view of the above, the present application provides a multi-head magnetic stirrer.

In order to achieve the above purpose, the present application provides the following technical solutions: the multi-head magnetic stirrer comprises a base, wherein a driving mechanism is arranged in the base, the top of the base is fixedly connected with a cover plate, the top of the cover plate is provided with at least two bearing pieces, and a container can be placed on the bearing pieces;

the top of the base is also provided with an inverted L-shaped supporting plate, the transverse supporting plate of the supporting plate is provided with a transparent cover body which corresponds to the bearing piece and can move up and down and a stirring unit which is positioned in the transparent cover body, and meanwhile, the cover body can cover a container port;

the tail end of the cover body extends inwards and then vertically upwards to form a reserved groove.

Preferably, the driving mechanism comprises a driving motor and a rotating shaft which is rotatably connected to the inner wall of the bottom of the base and corresponds to the bearing piece, wherein the bottom end of one rotating shaft is fixedly connected with the output end of the driving motor, the outer ring of the rotating shaft is fixedly sleeved with belt pulleys, and the same belt is tensioned between the adjacent belt pulleys;

the outer lane of pivot is fixed to be cup jointed down the cover board, the lateral wall fixedly connected with of cover board down a plurality of cooperation poles, the top fixedly connected with of cooperation pole is magnetic sheet down.

Preferably, the bearing piece comprises a bottom plate fixedly connected to the cover plate, and a ring plate is fixedly connected to the top of the bottom plate and can limit the outer side of the container;

and the cover plate is provided with a through hole corresponding to the bottom plate, and the diameter of the through hole is smaller than that of the bottom plate.

Preferably, the support plate is provided with a plurality of groups of guide rods in a sliding sleeve manner, each group is at least one, the tail ends of the guide rods are fixedly connected with the top of the cover body, and a reset spring sleeved on the outer ring of the guide rods is fixedly connected between the top of the cover body and the bottom of the support plate.

Preferably, the stirring unit comprises a rotating column, an upper sleeve plate is sleeved at the bottom end of an outer ring of the rotating column, a plurality of stirring rods which are corresponding to the matching rods and are inclined are fixedly connected to the side wall of the upper sleeve plate, and an upper magnetic sheet which can be attached to the bottom end of the container is fixedly connected to the bottom of the stirring rod.

Preferably, the cover body is fixedly connected with at least two symmetrically distributed overlapping pieces, the stirring rod can be arranged on the overlapping pieces, and the cover body is provided with at least one ventilation hole.

In summary, the utility model has the technical effects and advantages that:

the utility model can limit the container up and down, prevent the container from slipping or moving to cause liquid splashing during the stirring process, and simultaneously prevent liquid splashing during the stirring process and prevent test samples from being polluted due to sundries falling into the container under the cooperation of the cover body.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a multi-head magnetic stirrer.

Fig. 2 is an exploded view of a part of the structure.

Fig. 3 is a schematic partial structure.

Fig. 4 is a schematic cross-sectional view of the cover.

In the figure: 1. a base; 2. a support plate; 3. a cover body; 301. ventilation holes; 302. a reserved groove; 4. a container; 5. a top sleeve plate; 501. a stirring rod; 502. a magnetic sheet is arranged on the upper part; 6. a return spring; 7. a guide rod; 8. a rotating column; 9. a bottom plate; 901. a ring plate; 10. a cover plate; 1001. a through hole; 11. a driving motor; 12. a rotating shaft; 13. a belt pulley; 14. a lower sleeve plate; 1401. a mating lever; 1402. a lower magnetic sheet; 15. and (5) lapping.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, a multi-head magnetic stirrer comprises a base 1, wherein a driving mechanism is arranged in the base 1, a cover plate 10 is fixedly connected to the top of the base 1, at least two bearing pieces are arranged on the top of the cover plate 10, and a container 4 can be placed on the bearing pieces.

As shown in fig. 1 and 3, the top of the base 1 is also provided with an inverted L-shaped supporting plate 2, the transverse supporting plate of the supporting plate 2 is provided with a transparent cover body 3 which corresponds to the bearing piece and can move up and down and a stirring unit which is positioned in the transparent cover body 3, and meanwhile, the cover body 3 can cover the port of the container 4;

the container 4 filled with the solution is arranged on the bearing piece, and the stirring unit is used for stirring the solution in the container 4 through the driving mechanism, so that splashing of the liquid in the stirring process can be avoided under the action of the cover body 3.

And meanwhile, the cover body 3 can also prevent foreign objects from falling into the cover body.

As shown in fig. 3 and 4, the end of the cover 3 extends vertically inward and then upward to form a pre-groove 302 for collecting splashed liquid.

In this embodiment, the inner side of the cover body 3 extending vertically upwards can be attached to the outer side of the container 4, so as to limit the container 4, and avoid the displacement of the container 4 during stirring.

As shown in fig. 2, the driving mechanism comprises a driving motor 11 and a rotating shaft 12 which is rotatably connected to the inner wall of the bottom of the base 1 and corresponds to the bearing piece, wherein the bottom end of one rotating shaft 12 is fixedly connected with the output end of the driving motor 11, the outer ring of the rotating shaft 12 is fixedly sleeved with a belt pulley 13, and the same belt is tensioned between the adjacent belt pulleys 13;

the outer ring of the rotating shaft 12 is fixedly sleeved with a lower sleeve plate 14, the side wall of the lower sleeve plate 14 is fixedly connected with a plurality of matching rods 1401, and the top of each matching rod 1401 is fixedly connected with a lower magnetic sheet 1402.

The container 4 filled with the solution is placed on the bearing part, the cover body 3 moves downwards to cover the port of the container 4, then the driving motor 11 is started to enable the rotating shaft 12 to rotate, other rotating shafts 12 rotate along with the rotating shaft under the action of the belt pulley 13, the lower sleeve plate 14 is further enabled to rotate, the matching rod 1401 is driven to rotate, the lower magnetic sheet 1402 is further enabled to rotate, the stirring unit is driven to stir the solution in the container 4, and liquid splashing in the stirring process can be avoided under the action of the cover body 3.

As shown in fig. 2, the carrier comprises a bottom plate 9 fixedly connected to a cover plate 10, and a ring plate 901 is fixedly connected to the top of the bottom plate 9 to limit the outer side of the container 4;

when the liquid in the container 4 needs to be heated, a heating device can be arranged on the bottom plate 9, and the heating device is in the prior art and will not be described herein.

Under the cooperation of the cover 3, the top and bottom of the container 4 are limited at the same time, ensuring that the container 4 does not shift during stirring.

In order to avoid shielding the magnetism of the lower magnetic sheet 1402, as shown in fig. 2, through holes 1001 corresponding to the bottom plate 9 are formed in the cover plate 10, and the diameter of the through holes 1001 is smaller than that of the bottom plate 9.

As shown in fig. 1 and 3, a plurality of groups of guide rods 7 are sleeved on the transverse support plate of the support plate 2 in a sliding manner, each group has at least one number, the tail ends of the guide rods 7 are fixedly connected with the top of the cover body 3, and a reset spring 6 sleeved on the outer ring of the guide rods 7 is fixedly connected between the top of the cover body 3 and the bottom of the transverse support plate of the support plate 2.

The guiding rod 7 is pulled to drive the cover body 3 to move upwards and compress the return spring 6;

under the action of the return spring 6, the cover 3 can be tightly attached to the container 4.

As shown in fig. 3, the stirring unit includes a rotary column 8, an upper sleeve plate 5 is fixedly sleeved at the bottom end of an outer ring of the rotary column 8, a plurality of stirring rods 501 which are inclined and can correspond to the matching rods 1401 are fixedly connected to the side wall of the upper sleeve plate 5, and an upper magnetic sheet 502 which can be attached to the bottom end of the container 4 is fixedly connected to the bottom of the stirring rods 501.

In the present embodiment, the lower magnetic sheet 1402 and the upper magnetic sheet 502

The container 4 with the solution is placed on the bearing part, the cover body 3 moves downwards to cover the port of the container 4, then the driving motor 11 is started to enable the rotating shaft 12 to rotate, under the action of the belt pulley 13, other rotating shafts 12 rotate along with the rotating shafts, further the lower sleeve plate 14 is enabled to rotate, the matching rod 1401 is driven to rotate, further the lower magnetic sheet 1402 is enabled to rotate, the upper magnetic sheet 502 is driven to rotate, the stirring rod 501 is driven to rotate, the solution in the container 4 is stirred, and liquid splashing in the stirring process can be avoided under the action of the cover body 3.

As shown in fig. 3 and 4, at least two symmetrically distributed tabs 15 are fixedly connected in the cover 3, the stirring rod 501 can be erected on the tabs 15, and at least one ventilation hole 301 is formed in the cover 3.

When the container 4 needs to be taken down from the bottom plate 9, the rotary column 8 is pulled to move upwards, the stirring rod 501 can be further erected on the lapping piece 15, the obliquely arranged stirring rod 501 is convenient for the attached solution to flow into the reserved groove 302, and then the guiding rod 7 is pulled or the cover body 3 is directly pushed, so that the reset spring 6 is in a compressed state, the cover body 3 is separated from the container 4, and the container 4 is taken down.

When the solution is required to be heated, the generated steam is discharged through the air holes 301, so that the cover body 3 can prevent personnel from mistakenly touching and scalding and foreign objects from falling into the cover body to a certain extent.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a bull magnetic stirrer, includes base (1), its characterized in that: a driving mechanism is arranged in the base (1), a cover plate (10) is fixedly connected to the top of the base (1), at least two bearing pieces are arranged on the top of the cover plate (10), and a container (4) can be placed on the bearing pieces;

the top of the base (1) is also provided with an inverted L-shaped supporting plate (2), the transverse supporting plate (2) is provided with a transparent cover body (3) which corresponds to the bearing piece and can move up and down and a stirring unit which is positioned in the transparent cover body (3), and meanwhile, the cover body (3) can cover the port of the container (4);

the tail end of the cover body (3) extends inwards and then vertically upwards to form a reserved groove (302).

2. The multi-head magnetic stirrer of claim 1 wherein: the driving mechanism comprises a driving motor (11) and rotating shafts (12) which are rotatably connected to the inner wall of the bottom of the base (1) and correspond to the bearing parts, wherein the bottom end of one rotating shaft (12) is fixedly connected with the output end of the driving motor (11), belt pulleys (13) are fixedly sleeved on the outer ring of each rotating shaft (12), and the same belt is tensioned between the adjacent belt pulleys (13);

the outer ring of the rotating shaft (12) is fixedly sleeved with a lower sleeve plate (14), the side wall of the lower sleeve plate (14) is fixedly connected with a plurality of matching rods (1401), and the top of each matching rod (1401) is fixedly connected with a lower magnetic sheet (1402).

3. The multi-head magnetic stirrer of claim 1 wherein: the bearing piece comprises a bottom plate (9) fixedly connected to the cover plate (10), and a ring plate (901) is fixedly connected to the top of the bottom plate (9) and can limit the outer side of the container (4);

the cover plate (10) is provided with a through hole (1001) corresponding to the bottom plate (9), and the diameter of the through hole (1001) is smaller than that of the bottom plate (9).

4. The multi-head magnetic stirrer of claim 1 wherein: the support plate (2) is sleeved with a plurality of groups of guide rods (7) in a sliding manner, the number of each group is at least one, the tail end of each guide rod (7) is fixedly connected with the top of the cover body (3), and a reset spring (6) sleeved with the outer ring of each guide rod (7) is fixedly connected between the top of the cover body (3) and the bottom of the support plate (2).

5. The multi-head magnetic stirrer of claim 2, wherein: the stirring unit comprises a rotating column (8), an upper sleeve plate (5) is fixedly sleeved at the bottom end of an outer ring of the rotating column (8), a plurality of stirring rods (501) which are corresponding to the matching rods (1401) and are inclined are fixedly connected to the side walls of the upper sleeve plate (5), an upper magnetic sheet (502) which can be attached to the bottom end of the container (4) is fixedly connected to the bottom of the stirring rods (501), and the upper magnetic sheet (502) can rotate under the action of magnetic force when the lower magnetic sheet (1402) rotates.

6. The multi-head magnetic stirrer according to claim 5, wherein: at least two symmetrically distributed overlapping pieces (15) are fixedly connected in the cover body (3), the stirring rod (501) can be arranged on the overlapping pieces (15), and at least one ventilation hole (301) is formed in the cover body (3).