CN214810416U - Magnetic stirrer - Google Patents

Abstract

The utility model relates to a food processing stirring technical field discloses a magnetic stirrers, include: the middle part of the machine frame is provided with a gap-shaped distribution which is communicated with the front and the back, and a ring platform which is vertically upward is fixed at the middle position of the upper part of the machine frame; a beaker lapped on the upper end part of the ring platform; the top cover covers the upper port of the beaker, and a positioning rod is fixed at the upper part of the top cover; the stirring mechanism is arranged on the top cover; and the stirring driving mechanism is arranged on the machine frame. The utility model discloses servo motor work drives the drive magnetic stripe rotatory, and the stirring magneton magnetism that can drive in the beaker when the drive magnetic stripe is rotatory to guarantee that stirring magneton and stainless steel cylinder are rotatory, can stir each position in the beaker, improve stirring efficiency and effect, it is comparatively practical, be fit for extensively promoting and using.

Description

Magnetic stirrer

Technical Field

The utility model relates to a food processing stirring technical field specifically is a magnetic stirrers.

Background

Magnetic stirrers are laboratory instruments for mixing liquids, primarily for stirring or simultaneously heating and stirring low-viscosity liquids or solid-liquid mixtures. The basic principle is that the magnetic stirrer drives the magnetic stirrer inside the container to rotate circularly by means of magnetic field, so as to stir liquid. Can also cooperate heating temperature control system in the use, heat and control sample temperature according to specific experimental requirement, maintain the required temperature condition of experimental condition, guarantee that liquid mixes and reaches the experiment demand, generally need magnetic stirrers to stir in the food course of working among the prior art and mix.

The utility model CN 212790782U discloses an improved magnetic stirrer, though in the technical scheme, a cover body is arranged at the top opening of a reaction cup, a stirring pipe is fixedly arranged in the middle of the cover body, the upper end of the stirring pipe is fixedly connected with a base through a telescopic rod, the lower end of the stirring pipe is movably connected with a magnet fixing frame, the magnet fixing frame can be detached from the stirring pipe, at least two installation parts for installing stirring magnets are arranged on the magnet fixing frame, the installation parts are vertically distributed on the magnet fixing frame, the stirring magnets are obliquely arranged on the magnet 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.

However, the inventor finds that the technical scheme still has at least the following defects:

firstly, the stirring mechanism arranged in the technical scheme can only stir the middle-lower part area of the beaker, so that the practicability is low;

second, top cap among this technical scheme is connected with the liter shrinkage pole, leads to the later stage to remove the clearance alone to in-service use in-process, the device can not carry out auxiliary heating, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic stirrers has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a magnetic stirrer, comprising:

the middle part of the machine frame is provided with a gap-shaped distribution which is communicated with the front and the back, and a ring platform which is vertically upward is fixed at the middle position of the upper part of the machine frame;

a beaker lapped on the upper end part of the ring platform;

the top cover covers the upper port of the beaker, and a positioning rod is fixed at the upper part of the top cover;

the stirring mechanism is arranged on the top cover;

the stirring driving mechanism is arranged on the machine frame;

wherein the stirring mechanism comprises a stainless steel cylinder and a stirring magnet; the stirring driving mechanism comprises a servo motor and a driving magnetic strip, and a resistance heating rod is arranged in the inner cavity of the stainless steel cylinder.

As a preferred embodiment of the utility model, servo motor is vertical upwards to be fixed frame inner chamber bottom intermediate position, drive magnetic stripe set up the loop platform inner chamber, servo motor's drive end is fixed the bottom intermediate position of drive magnetic stripe.

As a preferred embodiment of the present invention, the upper end of the stainless steel cylinder is movably mounted in the middle of the top cover, the left and right side walls of the stainless steel cylinder are fixed with three stainless steel stirring pipes distributed in equal distance, and the stirring magnetons are horizontally fixed at the lower end of the stainless steel cylinder.

As a preferred embodiment of the utility model, resistance heating rod's upper end is fixed with positioning bolt, and positioning bolt twists to close and pegs graft on the locating lever, the drive magnetic stripe aligns with the stirring magneton in vertical direction.

As a preferred embodiment of the utility model, the left and right parts of the upper surface of the machine frame are both fixed with bearings, the inner ring of the bearing is fixed with a vertically upward inverted L-shaped supporting rod, the upper end part of the inverted L-shaped supporting rod is screwed with a vertically downward clamping bolt, and the lower end of the clamping bolt is attached to the upper surface of the top cover; a rubber ring pad is lapped in the upper end part of the ring table.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a magnetic stirrers places the beaker that will hold liquid on the ring platform, then covers the top cap to with two type of falling L branches rotation in opposite directions, rotate clamping bolt and top cap driving fit again, thereby guarantee the stability of top cap, this kind of mode can not influence the flexibility in later stage and tear open the lid.

2. The utility model discloses servo motor work drives the drive magnetic stripe and rotates, can drive the stirring magneton magnetism in the beaker rotatory when driving the magnetic stripe to rotate to guarantee that stirring magneton and stainless steel cylinder rotate, can stir each position in the beaker, improve stirring efficiency and effect; and need heat when supplementary, peg graft the resistance heating rod in stainless steel cylinder to fix the resistance heating rod on the locating lever through positioning bolt, the heating rod among the prior art is direct to be avoided to this kind of mode and mixed the liquid contact, leads to the inconvenient problem of later stage clearance.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a magnetic stirrer according to the present invention;

FIG. 2 is a schematic view of the front sectional structure of the resistance heating rod of the magnetic stirrer according to the present invention at the distribution position in the stainless steel cylinder;

fig. 3 is a schematic view of the structure of the rubber ring pad of the magnetic stirrer according to the present invention, which is distributed on the ring platform.

In the figure: 1. a machine frame; 2. a bearing; 3. looping; 4. an inverted L-shaped strut; 5. clamping the bolt; 6. positioning a rod; 7. positioning the bolt; 8. a top cover; 9. a stainless steel cylinder; 10. a stainless steel stirring pipe; 11. stirring the magnetons; 12. a servo motor; 13. driving the magnetic strip; 14. a resistance heating rod; 15. a rubber ring pad; 16. and (4) a beaker.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a magnetic stirrer, comprising:

the middle part of the machine frame 1 is provided with a gap-shaped distribution which is communicated front and back, and the middle position of the upper part of the machine frame 1 is fixed with a vertically upward ring platform 3;

a beaker 16 lapped on the upper end part of the loop platform 3;

the top cover 8 is covered on the upper port of the beaker 16, and the positioning rod 6 is fixed at the upper part of the top cover 8;

the stirring mechanism is arranged on the top cover 8;

the stirring driving mechanism is arranged on the machine frame 1;

wherein, the stirring mechanism comprises a stainless steel cylinder 9 and a stirring magnet 11; the stirring driving mechanism comprises a servo motor 12 and a driving magnetic strip 13, and a resistance heating rod 14 is arranged in the inner cavity of the stainless steel cylinder 9.

In this embodiment, servo motor 12 is vertical upwards to be fixed in 1 inner chamber bottom intermediate position of frame, and drive magnetic stripe 13 sets up at 3 inner chambers of circle platform, and servo motor 12's drive end is fixed in the bottom intermediate position of drive magnetic stripe 13, will drive magnetic stripe 13 and set up at 3 inner chambers of circle platform, can improve the security.

In a specific embodiment, the upper end of the stainless steel cylinder 9 is movably mounted in the middle of the top cover 8, a large bearing can be flexibly matched with the stainless steel cylinder 9 to rotate at the middle position of the top cover 8, three stainless steel stirring pipes 10 which are distributed at equal intervals are fixed on the left side wall and the right side wall of the stainless steel cylinder 9, the stirring magnetons 11 are horizontally fixed at the lower end part of the stainless steel cylinder 9, the upper end part of the resistance heating rod 14 is fixed with a positioning bolt 7, the positioning bolt 7 is screwed and inserted on the positioning rod 6, and the driving magnetic stripe 13 is aligned with the stirring magnetons 11 in the vertical direction. In this arrangement, the plurality of stainless steel stirring pipes 10 can sufficiently provide efficient stirring measures for each portion in the beaker 16.

Furthermore, bearings 2 are fixed on the left and right parts of the upper surface of the machine frame 1, an inverted L-shaped support rod 4 which is vertically upward is fixed on an inner ring of the bearing 2, a clamping bolt 5 which is vertically downward penetrates through the upper end part of the inverted L-shaped support rod 4 in a screwed manner, the lower end of the clamping bolt 5 is attached to the upper surface of the top cover 8, and the clamping bolt 5 can be attached to the upper surface of the top cover 8 to form a clamping and positioning measure; a rubber ring pad 15 is lapped in the upper end part of the ring platform 3. In this setting, the rubber circle pad 15 can cushion the shock attenuation to placing beaker 16 on circle platform 3, improves stability.

It should be noted that the present invention relates to a magnetic stirrer, each of which is a general standard component or a component known to those skilled in the art, and the structure and principle of the magnetic stirrer can be known by the technical manual or by the conventional experimental method.

The working principle is as follows: the beaker 16 containing liquid is placed on the ring table 3, the top cover 8 is covered, the two inverted L-shaped supporting rods 4 are rotated oppositely, the rotary clamping bolt 5 is sealed with the top cover 8, the stability of the top cover 8 is ensured, the mode does not affect the flexible cover removal in the later period, then the servo motor 12 is started to be electrified and operated, the servo motor 12 drives the driving magnetic strip 13 to rotate, the driving magnetic strip 13 can drive the stirring magnetic strip 11 in the beaker 16 to rotate magnetically when rotating, so that the stirring magnetic strip 11 and the stainless steel cylinder 9 are ensured to rotate, each part in the beaker 16 can be stirred, and the stirring efficiency and the stirring effect are improved; and need heat when supplementary, peg graft resistance heating rod 14 in stainless steel cylinder 9 to fix resistance heating rod 14 on locating lever 6 through positioning bolt 7, the heating rod among the prior art is direct to be mixed the liquid contact with mixing to this kind of mode, leads to the inconvenient problem of later stage clearance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A magnetic stirrer, comprising:

the middle part of the machine frame (1) is provided with a gap-shaped distribution which is communicated with the front and the back, and a vertically upward ring platform (3) is fixed at the middle position of the upper part of the machine frame (1);

a beaker (16) lapped on the upper end part of the loop platform (3);

the top cover (8) is covered on the upper port of the beaker (16), and the positioning rod (6) is fixed at the upper part of the top cover (8);

the stirring mechanism is arranged on the top cover (8);

the stirring driving mechanism is arranged on the machine frame (1);

wherein the stirring mechanism comprises a stainless steel cylinder (9) and a stirring magneton (11); the stirring driving mechanism comprises a servo motor (12) and a driving magnetic strip (13), and a resistance heating rod (14) is arranged in the inner cavity of the stainless steel cylinder (9).

2. A magnetic stirrer according to claim 1, wherein: servo motor (12) are vertical upwards to be fixed frame (1) inner chamber bottom intermediate position, and drive magnetic stripe (13) set up circle platform (3) inner chamber, the drive end of servo motor (12) is fixed the bottom intermediate position of drive magnetic stripe (13).

3. A magnetic stirrer according to claim 1, wherein: stainless steel cylinder (9) upper end movable mounting be in the middle part of top cap (8), stainless steel stirring pipe (10) that the wall all is fixed with three equidistance distributions about stainless steel cylinder (9), stirring magneton (11) level is fixed the lower tip of stainless steel cylinder (9).

4. A magnetic stirrer according to claim 1, wherein: the upper end of the resistance heating rod (14) is fixed with a positioning bolt (7), the positioning bolt (7) is screwed and inserted on the positioning rod (6), and the driving magnetic strip (13) is aligned with the stirring magnet (11) in the vertical direction.

5. A magnetic stirrer according to claim 1, wherein: the left part and the right part of the upper surface of the machine frame (1) are both fixed with bearings (2), an inner ring of each bearing (2) is fixed with an inverted L-shaped support rod (4) which is vertically upward, a clamping bolt (5) which is vertically downward penetrates through the upper end part of each inverted L-shaped support rod (4) in a screwed manner, and the lower end of each clamping bolt (5) is attached to the upper surface of the top cover (8); a rubber ring pad (15) is lapped in the upper end part of the ring platform (3).

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