CN212790782U

CN212790782U - Improved magnetic stirrer

Info

Publication number: CN212790782U
Application number: CN202021231656.1U
Authority: CN
Inventors: 戴星红
Original assignee: Chongqing Jiusheng Detection Technology Co ltd
Current assignee: Chongqing Jiusheng Detection Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-26
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an improved magnetic stirrer, which comprises a base, a permanent magnet arranged in the base, a workbench arranged at the top of the base, a reaction cup arranged on the workbench and a stirring magneton arranged in the reaction cup, wherein a cover body is arranged at the opening part at the top of the reaction cup, a stirring pipe is fixedly arranged at the middle part of the cover body, the upper end of the stirring pipe is fixedly connected with the base through a telescopic rod, the lower end of the stirring pipe is movably connected with a magneton fixing frame, the magneton fixing frame can be detached from the stirring pipe, the magneton fixing frame is provided with at least two mounting parts for mounting the stirring magneton, the mounting parts are vertically distributed on the magneton fixing frame, the stirring magneton is obliquely arranged on the magneton fixing frame, so that the stirring at each position in the reaction cup from top to bottom is more uniform and the stirring efficiency is higher, in addition, the plurality of circular clamping grooves arranged at the bottom of the, the feed inlet that sets up on the lid can set up according to the actual feeding condition.

Description

Improved magnetic stirrer

Technical Field

The utility model relates to a magnetic stirrers field, concretely relates to modified magnetic stirrers.

Background

Magnetic stirrers are used in laboratories mostly for stirring or simultaneously heating and stirring low viscosity liquids or solid-liquid mixtures. The principle of the magnetic stirrer is that the magnetic field is used to drive the magnetic stirring magnetons placed in the container to make circular motion by using the raw materials with like poles repelling each other and opposite poles attracting each other in the magnetic field, so as to stir the liquid. The inside magnetic stripe that is equipped with by the rotatory motor drive of magnetic stirrers' S base, the magnetic stripe both ends are S level and N level respectively, and the stirring magneton embeds ferromagnetic material to drive the stirring magneton by the magnetic stripe is rotatory and move.

The most commonly used magnetic stirrer is that a stirring magneton is placed at the bottom of a reaction cup, and then a device is started to stir liquid in a circular motion under the driving of a magnetic stripe, but the stirring magneton of the magnetic stirrer is directly contacted with solid particles when stirring a solid-liquid mixture, and the stirring magneton is easily scraped with the bottom of the reactor in a rotating process. Aiming at the problems, the stirring magnetons are designed to be suspended, namely the stirring magnetons are meshed with the bottom of the stirring pipe, and the stirring pipe is suspended in the middle of a cover body on the reactor. The stirrer is sealed, other liquid or solid cannot be added randomly during stirring, stirring is limited to local stirring for a large-volume reaction cup and then the reaction cup is stirred uniformly by flowing water, and the magnetic stirrer cannot adapt to reaction cups with different volume sizes, namely the specification of the reaction cup is determined.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a magnetic stirrer with improved stirring uniformity, which can add liquid or solid in the stirring process and is adaptable to different sizes of reaction cups.

In order to achieve the above purpose, the utility model provides a technical scheme is:

the utility model provides a modified magnetic stirrers, includes the base, locate permanent magnet in the base, locate the workstation at base top, locate the reaction cup on the workstation and arrange the stirring magneton in the reaction cup in, the open-top department of reaction cup is equipped with the lid, the middle part fixed mounting of lid has the agitator tube, the agitator tube upper end pass through the telescopic link with base fixed connection, lower extreme mobilizable be connected with the magneton mount, the magneton mount can be followed and dismantled from the agitator tube, have two installation departments that are used for installing the stirring magneton on the magneton mount at least, the vertical distribution of installation department is in on the magneton mount, the slope of stirring magneton is installed on the magneton mount.

Preferably, the included angle between the stirring magnetons and the bottom of the reaction cup is 0-45 degrees.

Preferably, the bottom of the cover body is provided with a plurality of circular clamping grooves.

Preferably, a plurality of feed inlets are formed in the cover body between the stirring pipe and the innermost clamping groove, a clamping block is arranged at the feed inlet, and the clamping block is used for opening or closing the feed inlet.

Preferably, a heating device is further arranged in the base.

The utility model has the advantages that:

1. the utility model discloses an have two installation departments that are used for installing the stirring magneton at least on the magneton mount, the slope of stirring magneton is installed on the magneton mount, distribute a plurality of stirring magnetons in the vertical direction of magneton mount to from the top down each position homoenergetic stirring in messenger's reaction cup.

2. The utility model discloses because the magnetism sub-mount can be followed the agitator tube and dismantled to can change the magnetism sub-mount, the lid bottom is equipped with a plurality of circular draw-in grooves, thereby makes the reaction cup of the adaptable not co-altitude of the device and different diameters, can change the reaction cup of different specifications according to the demand.

3. The utility model discloses because seted up a plurality of feed inlets on the lid, the size of feed inlet can set up according to the feeding demand, and feed inlet department is equipped with the fixture block that is used for opening or closing the feed inlet to can be the feeding in the stirring.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall structure of the present invention;

fig. 2 is a bottom structural view of the cover in fig. 1.

The reference numerals in the drawings are explained below.

The device comprises a base-1, a permanent magnet-2, a workbench-3, a reaction cup-4, a cover body-41, a circular clamping groove-411, a feeding hole-412, a clamping block-413, a stirring magneton-5, a stirring pipe-6, a telescopic rod-7 and a magneton fixing frame-8.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, an improved magnetic stirrer includes a base 1, a permanent magnet 2 disposed in the base 1, a worktable 3 disposed at the top of the base 1, a reaction cup 4 disposed on the worktable 3, and a stirring magnet 5 disposed in the reaction cup 4, wherein a cover 41 is disposed at an opening at the top of the reaction cup 4, a stirring tube 6 is fixedly mounted at the middle of the cover 41, the upper end of the stirring tube 6 is fixedly connected to the base 1 through a telescopic rod 7, the lower end of the stirring tube is movably connected to a magnet fixing frame 8, the vertical distance between the magnet fixing frame 8 and the bottom of the reaction cup 4 can be adjusted through the telescopic rod 7, the cover 41 can be lifted upwards through the telescopic rod 7 to replace the reaction cup 4, the magnet fixing frame 8 can be detached from the stirring tube 6, the magnet fixing frame 8 has at least two mounting portions for mounting the stirring magnet 5, the mounting parts are vertically distributed on the magnetic element fixing frame 8, and the stirring magnetic elements 5 are obliquely mounted on the magnetic element fixing frame 8, so that the reaction cup can be stirred from top to bottom, the stirring is more uniform, and the stirring efficiency is higher.

In this embodiment, the included angle between the stirring magneton 5 and the bottom of the reaction cup 4 is 0-45 degrees, so that the stirring range of the stirring magneton 5 is larger, and the solution can be stirred uniformly.

Referring to fig. 2, in particular, the bottom of the cover 41 is provided with a plurality of circular slots 411 to accommodate reaction cups with different diameters, that is, the reaction cups with different specifications can be sealed by the cover 41 to form a sealed stirring space.

In this embodiment, a plurality of feed openings 412 are formed in the cover 41 between the stirring tube 6 and the innermost clamping groove 411, the size of each feed opening 412 can be set according to the actual feeding condition, a clamping block 413 is arranged at each feed opening 412, and each clamping block 413 is used for opening or closing each feed opening 412.

Further, a heating device is arranged in the base 1, so that the solution is heated while being stirred, and stirring under a constant temperature condition can be realized.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention being defined by the following claims and their equivalents.

Claims

1. The utility model provides a modified magnetic stirrers, includes base (1), locates permanent magnet (2) in base (1), locates workstation (3) at base (1) top, arranges reaction cup (4) on workstation (3) in and arranges stirring magneton (5) in reaction cup (4) in, the open-top department of reaction cup (4) is equipped with lid (41), the middle part fixed mounting of lid (41) has stirring pipe (6), its characterized in that: stirring pipe (6) upper end through telescopic link (7) with base (1) fixed connection, lower extreme mobilizable be connected with magnetism sub-mount (8), magnetism sub-mount (8) can be followed and dismantled from stirring pipe (6), have at least two installation departments that are used for installing stirring magnetism sub (5) on magnetism sub-mount (8), the vertical distribution of installation department is in on magnetism sub-mount (8), stirring magnetism sub (5) slope is installed on magnetism sub-mount (8).

2. An improved magnetic stirrer according to claim 1, wherein: the included angle between the stirring magneton (5) and the bottom of the reaction cup (4) is 0-45 degrees.

3. An improved magnetic stirrer according to claim 1, wherein: the bottom of the cover body (41) is provided with a plurality of circular clamping grooves (411).

4. An improved magnetic stirrer according to any one of claims 1 to 3, wherein: a plurality of feed inlets (412) are arranged on the cover body (41) between the stirring pipe (6) and the innermost clamping groove (411), a clamping block (413) is arranged at the feed inlet (412), and the clamping block (413) is used for opening or closing the feed inlet (412).

5. An improved magnetic stirrer according to any one of claims 1 to 3, wherein: and a heating device is also arranged in the base (1).