CN219540134U

CN219540134U - Magnetic stirrer

Info

Publication number: CN219540134U
Application number: CN202320897599.8U
Authority: CN
Inventors: 赵付荣; 张艳阁; 郑秦; 王蔚; 韩艺娟; 陈建明
Original assignee: Minjiang University
Current assignee: Minjiang University
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-08-18
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of liquid stirring, in particular to a magnetic stirrer. The stirrer comprises a stirrer body, wherein a vertical rod is arranged on the stirrer body, a sliding sleeve is arranged on the vertical rod in a sliding manner, one side of the sliding sleeve is connected with a connecting rod, the connecting rod is connected with a connecting shaft, the bottom of the connecting shaft is provided with a sleeve in a rotating manner through a bearing, a magnetic rotor is arranged in the sleeve, a barrel cover is hinged on the sleeve, a clamping assembly is arranged between the sleeve and the barrel cover, a magnetic base is also arranged on the stirrer body, and the magnetic base is positioned on one side of the vertical rod; the clamping assembly comprises a moving block, a tension spring, an L-shaped plate and a clamping block. According to the utility model, the sleeve is arranged at the bottom of the connecting shaft, the barrel cover is hinged on the sleeve, the magnetic rotor is placed in the sleeve, the magnetic rotor is limited by utilizing the cooperation of the clamping assembly and the barrel cover, the magnetic rotor can be taken out from the sleeve to be maintained, the overall convenience for dismounting the magnetic rotor is high, and the maintainability is good.

Description

Magnetic stirrer

Technical Field

The utility model relates to the technical field of liquid stirring, in particular to a magnetic stirrer.

Background

Magnetic stirrers are laboratory instruments for liquid mixing, mainly for stirring or simultaneous heating of low viscosity liquids or solid-liquid mixtures. The basic principle is that the principle that like poles repel and opposite poles attract in a magnetic field is utilized, and the magnetic field is used for pushing a stirrer with magnetism placed in a container to perform circumferential operation, so that the purpose of stirring liquid is achieved.

The Chinese patent with the publication number of CN218077598U discloses a magnetic stirrer, through the dead lever, the altitude mixture control pole, the installation pole and the installation component of setting, can unsettled installation to the magnetic stirrer, put in and stir the in-process, the magnetic stirrer need not to contact with the beaker, has played the effect to beaker safety protection.

But magnetic stirring in above-mentioned device is installed between last stop collar and lower stop collar through fastening screw, when needs maintain it and change, need professional instrument to unscrew the screw, inconvenient operation, and whole dismouting convenience is lower.

Disclosure of Invention

Aiming at the problems in the background technology, a magnetic stirrer is provided. Through being provided with the sleeve in the connecting axle bottom, articulated on the sleeve have the bung, place magnetic force rotor in the sleeve, utilize block subassembly and bung cooperation to carry out spacingly to magnetic force rotor, can take out magnetic force rotor from the sleeve and maintain it, whole dismouting convenience to magnetic force rotor is higher, maintainability is better.

The utility model provides a magnetic stirrer, which comprises a stirrer body, wherein a vertical rod is arranged on the stirrer body, a sliding sleeve is arranged on the vertical rod in a sliding manner, one side of the sliding sleeve is connected with a connecting rod, the connecting rod is connected with a connecting shaft, the bottom of the connecting shaft is rotatably provided with a sleeve through a bearing, a magnetic rotor is arranged in the sleeve, a barrel cover is hinged on the sleeve, a clamping assembly is arranged between the sleeve and the barrel cover, a magnetic base is also arranged on the stirrer body, and the magnetic base is positioned on one side of the vertical rod;

the clamping assembly comprises a moving block, a tension spring, an L-shaped plate and a clamping block, wherein a groove is formed in the side face of the sleeve, the moving block is connected in the groove in a sliding mode, the tension spring is connected between the moving block and the inner wall of the groove, the L-shaped plate is rotatably arranged on the moving block, the clamping block is connected to one end of the inner side of the L-shaped plate, a clamping groove is formed in the barrel cover, and the clamping groove is connected with the clamping block in a clamping mode.

Preferably, one side of the sliding sleeve, which is away from the connecting rod, is screwed with a fastening bolt, and the fastening bolt is connected with a handle.

Preferably, the sleeve and the barrel cover are made of hard light plastic, and the sleeve and the barrel cover are provided with through holes for the two ends of the magnetic rotor to pass through.

Preferably, the middle parts of the two sides of the connecting rod are respectively provided with a fixing frame, a sliding block is arranged in the fixing frames in a sliding manner, and the side surfaces of the sliding blocks are connected with fixing rings.

Preferably, a limiting rod is arranged in the fixing frame and penetrates through the sliding block, and a tension spring positioned on one side of the sliding block is sleeved on the limiting rod.

Preferably, a rubber pad is arranged on the inner side of the fixing ring.

Preferably, the four corners of agitator body bottom all are provided with the landing leg, and the bottom of four landing legs all is provided with the ground mat.

Compared with the prior art, the utility model has the following beneficial technical effects: through being provided with the sleeve in the connecting axle bottom, articulated on the sleeve have the bung, place magnetic force rotor in the sleeve, utilize block subassembly and bung cooperation to carry out spacingly to magnetic force rotor, be provided with L shaped plate through tension spring elasticity in the block subassembly, the draw-in groove cooperation of seting up on fixture block on the L shaped plate and the bung is driven through tension spring's pulling force, thereby with the bung closure, when need with magnetic force rotor tear down the maintenance, through pulling L shaped plate outside, make the fixture block break away from the draw-in groove, the rethread L shaped plate can be opened the bung, can take out magnetic force rotor from the sleeve and maintain it, whole easy to assemble and disassemble to magnetic force rotor is higher, maintainability is better.

Drawings

FIG. 1 is a schematic diagram of a magnetic stirrer according to the present utility model;

FIG. 2 is a schematic diagram of the magnetic rotor of FIG. 1;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

fig. 4 is a schematic view of a partial enlarged structure at B of fig. 1.

Reference numerals: 1. a stirrer body; 2. a vertical rod; 3. a sliding sleeve; 4. a connecting rod; 5. a connecting shaft; 6. a sleeve; 7. a magnetic rotor; 8. a barrel cover; 9. a magnetic base; 10. a moving block; 11. a tension spring; 12. an L-shaped plate; 13. a clamping block; 14. a groove; 15. a clamping groove; 16. a fastening bolt; 17. a handle; 18. a through port; 19. a fixing frame; 20. a slide block; 21. a fixing ring; 22. a limit rod; 23. a tension spring; 24. a rubber pad; 25. and (5) supporting legs.

Detailed Description

Example 1

As shown in fig. 1-3, the magnetic stirrer provided by the utility model comprises a stirrer body 1, wherein a vertical rod 2 is arranged on the stirrer body 1, a sliding sleeve 3 is arranged on the vertical rod 2 in a sliding manner, one side of the sliding sleeve 3 is connected with a connecting rod 4, the connecting rod 4 is connected with a connecting shaft 5, the bottom of the connecting shaft 5 is rotatably provided with a sleeve 6 through a bearing, a magnetic rotor 7 is arranged in the sleeve 6, a bucket cover 8 is hinged on the sleeve 6, a clamping assembly is arranged between the sleeve 6 and the bucket cover 8, a magnetic base 9 is also arranged on the stirrer body 1, and the magnetic base 9 is positioned on one side of the vertical rod 2; the clamping assembly comprises a moving block 10, a tension spring 11, an L-shaped plate 12 and a clamping block 13, a groove 14 is formed in the side face of the sleeve 6, the moving block 10 is connected in the groove 14 in a sliding mode, the tension spring 11 is connected between the moving block 10 and the inner wall of the groove 14, the L-shaped plate 12 is rotatably arranged on the moving block 10, the clamping block 13 is connected to one end of the inner side of the L-shaped plate 12, a clamping groove 15 is formed in the barrel cover 8, and the clamping groove 15 is connected with the clamping block 13 in a clamping mode.

Further, the side of sliding sleeve 3 deviating from connecting rod 4 connects soon and has connects fastening bolt 16, is connected with handle 17 on the fastening bolt 16, and during the use, it is rotatory to drive fastening bolt 16 through handle 17 to can drive sliding sleeve 3 and remove on pole setting 2, and then adjust the height of connecting axle 5 and magnetic force rotor 7.

Further, the sleeve 6 and the barrel cover 8 are made of hard light plastics, and the sleeve 6 and the barrel cover 8 are provided with through holes 18 for the two ends of the magnetic rotor 7 to pass through, so that the light plastics can lighten the associated mass of the magnetic rotor 7 to avoid influencing the rotation efficiency of the magnetic rotor 7.

Further, four corners of agitator body 1 bottom all are provided with landing leg 25, and the bottom of four landing legs 25 all is provided with the ground mat, supports through landing leg 25 to whole agitator body 1, avoids its and places platform direct contact and causes the accumulational condition of bottom heat to take place.

The working principle of the utility model is as follows: placing the liquid to be stirred in the container, placing the container on the magnetic base 9, unscrewing the fastening bolt 16 by screwing the handle 17, moving the sliding sleeve 3 downwards, enabling the sliding sleeve 3 to drive the magnetic rotor 7 to penetrate into the container through the connecting rod 4, starting the stirrer body 1, generating a magnetic field by electrifying the inside of the stirrer body 1, stirring the liquid by matching with the magnetic rotor 7, moving the sliding sleeve 3 upwards again after stirring is completed, driving the sleeve 6 and the magnetic rotor 7 to move to the upper part of the container, when the magnetic rotor 7 needs to be maintained, pulling the L-shaped plate 12 outwards, driving the moving block 10 to stretch the spring by the L-shaped plate 12, enabling the clamping block 13 to be separated from the clamping groove 15, rotating the L-shaped plate 12 again, removing the limit on the barrel cover 8, opening the barrel cover 8, then taking the magnetic rotor 7 out of the sleeve 6 for maintenance, placing the magnetic rotor 7 in the barrel cover 8, driving the clamping block 13 on the L-shaped plate 12 and the clamping groove 15 of the barrel cover 8 through the elastic tension of the tension spring 11 to limit, and completing the installation of the magnetic rotor 7.

Example two

As shown in fig. 1 and fig. 4, the magnetic stirrer according to the present utility model further includes, based on the above embodiment, a fixing frame 19 disposed in the middle of two sides of the connecting rod 4, a sliding block 20 disposed in the fixing frame 19, a fixing ring 21 connected to a side surface of the sliding block 20, a limiting rod 22 disposed in the fixing frame 19 and penetrating the sliding block 20, a tension spring 23 disposed on one side of the sliding block 20 and sleeved on the limiting rod 22, and a rubber pad 24 disposed inside the fixing ring 21.

In this embodiment, be provided with solid fixed ring 21 through slider 20, gag lever post 22 and tension spring 23's cooperation elasticity, through pulling solid fixed ring 21, utilize tension spring 23's elasticity restoring force to drive solid fixed ring 21 and fix it from the both sides of container, avoid in the magnetic stirring process, the container is because the unstable condition of placing takes place that the flow of liquid causes, has improved stirring stability, and convenient operation.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a magnetic stirrer, a serial communication port, including agitator body (1), be provided with pole setting (2) on agitator body (1), slide on pole setting (2) and be provided with sliding sleeve (3), one side of sliding sleeve (3) is connected with connecting rod (4), connecting rod (4) are connected with connecting axle (5), connecting axle (5) bottom is provided with sleeve (6) through the bearing rotation, be provided with magnetic rotor (7) in sleeve (6), it has bung (8) to articulate on sleeve (6), be provided with the block subassembly between sleeve (6) and bung (8), still be provided with magnetic base (9) on agitator body (1), magnetic base (9) are located one side of pole setting (2);

the clamping assembly comprises a moving block (10), a tension spring (11), an L-shaped plate (12) and a clamping block (13), wherein a groove (14) is formed in the side face of the sleeve (6), the moving block (10) is connected in the groove (14) in a sliding mode, the tension spring (11) is connected between the moving block (10) and the inner wall of the groove (14), the L-shaped plate (12) is rotatably arranged on the moving block (10), the clamping block (13) is connected to one end of the inner side of the L-shaped plate (12), a clamping groove (15) is formed in the barrel cover (8), and the clamping groove (15) is connected with the clamping block (13) in a clamping mode.

2. A magnetic stirrer according to claim 1, characterized in that the side of the sliding sleeve (3) facing away from the connecting rod (4) is screwed with a fastening bolt (16), and the fastening bolt (16) is connected with a handle (17).

3. The magnetic stirrer according to claim 1, wherein the sleeve (6) and the barrel cover (8) are made of hard light plastic, and the sleeve (6) and the barrel cover (8) are provided with through holes (18) for the two ends of the magnetic rotor (7) to pass through.

4. A magnetic stirrer according to claim 1, characterized in that the middle parts of the two sides of the connecting rod (4) are provided with a fixing frame (19), a sliding block (20) is arranged in the fixing frame (19), and the side surface of the sliding block (20) is connected with a fixing ring (21).

5. A magnetic stirrer according to claim 4, characterized in that a limit rod (22) is arranged in the fixing frame (19), the limit rod (22) is arranged through the sliding block (20), and a tension spring (23) arranged on one side of the sliding block (20) is sleeved on the limit rod (22).

6. A magnetic stirrer according to claim 4, characterized in that the inner side of the stationary ring (21) is provided with a rubber pad (24).

7. A magnetic stirrer according to claim 1, characterized in that the four corners of the bottom of the stirrer body (1) are provided with legs (25), and the bottoms of the four legs (25) are provided with a floor mat.