CN214210309U

CN214210309U - Magnetic stirrer with fixing function

Info

Publication number: CN214210309U
Application number: CN202120120756.5U
Authority: CN
Inventors: 刘丹; 王婧; 关爽
Original assignee: Qiqihar Medical University
Current assignee: Qiqihar Medical University
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-09-17
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a magnetic stirrer with fixing function, which comprises a body, wherein the top surface of the body is provided with a horizontal stirring platform, the side surface of the body is provided with a vertical auxiliary rod, and a fixing device is arranged on the auxiliary rod; the fixing device comprises a fixing plate which is horizontally arranged, the size of the fixing plate is smaller than or equal to that of the stirring table, and a plurality of fixing holes are formed in the fixing plate; a clamping assembly is arranged in the fixing hole and comprises an arc-shaped plate which is arranged in the fixing hole and matched with the inner wall of the fixing hole; a clamping rod is vertically arranged at the middle point of the outer arc of the arc-shaped plate, and the extension line of the clamping rod penetrates through the circle center of the arc-shaped plate; set up on the lateral wall of fixed orifices and supply supporting rod male centre gripping hole, be equipped with compression spring between the bottom in centre gripping hole and the end of supporting rod. The utility model discloses set up the fixed plate that is used for stabilizing the small container on its body, when stirring the small container, can reduce rocking of small container, and support once more small containers to stir simultaneously.

Description

Magnetic stirrer with fixing function

Technical Field

The utility model relates to an experimental facilities technical field, concretely relates to magnetic stirrers with fixed function.

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 magnetic stirrer inside container is driven by magnetic field to rotate circularly to stir liquid.

When the existing magnetic stirrer stirs liquid in a small container such as an ampoule bottle and the like, because the mass of the small container is limited, the motion of a stirring magnet is very easy to drive the small container to shake or even overturn, and moreover, the prior art lacks a clamp which can be used for clamping the small container; in addition, the existing magnetic stirrer cannot realize simultaneous stirring of a plurality of small containers.

SUMMERY OF THE UTILITY MODEL

In order to solve the shortcoming that exists among the above-mentioned prior art, the utility model provides a magnetic stirrers with fixed function, concrete scheme is as follows:

the stirring device comprises a body, wherein a horizontal stirring table is arranged on the top surface of the body, a vertical auxiliary rod is arranged on the side surface of the body, and a fixing device is arranged on the auxiliary rod; the fixing device comprises a fixing plate which is horizontally arranged, the size of the fixing plate is smaller than or equal to that of the stirring table, and a plurality of fixing holes are formed in the fixing plate;

a clamping assembly is arranged in the fixing hole and comprises an arc-shaped plate which is arranged in the fixing hole and matched with the inner wall of the fixing hole; a clamping rod is vertically arranged at the middle point of the outer arc of the arc-shaped plate, and the extension line of the clamping rod penetrates through the circle center of the arc-shaped plate;

the clamping rod is provided with a clamping hole, the clamping rod is inserted into the clamping hole, and a compression spring is arranged between the bottom of the clamping hole and the tail end of the clamping rod.

Furthermore, a cylindrical limiting block is arranged at the tail end of the clamping rod, the limiting block and the clamping rod are coaxially arranged, and the diameter of the limiting block is larger than the rod diameter of the clamping rod; the drill way department in centre gripping hole is equipped with the spacing ring, the diameter of spacing ring inner ring is greater than the rod footpath of supporting rod just is less than the diameter of stopper.

Furthermore, a first sleeve is sleeved on the auxiliary rod and can slide along the auxiliary rod, and the fixing plate is fixedly connected with the outer wall of the first sleeve;

a plurality of first limiting holes are formed in the auxiliary rod and are evenly spaced along the axial direction, and limiting bolts matched with the first limiting holes penetrate through the first sleeve.

Furthermore, the first sleeve can also rotate around the auxiliary rod, a plurality of second limiting holes matched with the limiting bolts are further formed in the auxiliary rod, and the second limiting holes and the first limiting holes are arranged in a one-hundred-eighty degree opposite mode.

Further, still the cover is equipped with on the auxiliary rod with the second sleeve that first sleeve corresponds, fixing device still including connect in second sleeve outer wall and horizontally arranged's anchor clamps.

Furthermore, the fixing plate, the clamp and related components are all made of non-metal materials.

The beneficial effects of the utility model reside in that:

the utility model provides a magnetic stirrers with fixed function has set up the fixed plate that is used for stabilizing the small container on its body, when stirring the small container, can reduce rocking of small container, and supports a plurality of small containers to stir simultaneously.

Drawings

Figure 1 is a schematic structural diagram of the present invention,

figure 2 is a schematic view I (top view) of the structure of the clamping assembly of the present invention,

figure 3 is a schematic view II (front view) of the structure of the clamping assembly of the present invention,

figure 4 is a schematic structural view of other embodiments of the present invention,

fig. 5 is a schematic structural diagram of further embodiments of the present invention.

Figure number and name: 1. the body, 2, the stirring platform, 3, the auxiliary rod, 31, first sleeve, 32, first spacing hole, 33, the spacing hole of second, 34, the second sleeve, 4, the fixed plate, 41, the fixed orifices, 42, the arc, 43, the supporting rod, 44, the centre gripping hole, 45, compression spring, 46, stopper, 47, spacing ring, 5, spacing bolt, 6, anchor clamps.

Detailed Description

In order to explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following embodiments are described in detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a magnetic stirrer with fixing function, which comprises a body 1, wherein the top surface of the body 1 is provided with a horizontal stirring platform 2, the side surface of the body 1 is provided with a vertical auxiliary rod 3, the auxiliary rod 3 is sleeved with a first sleeve 31, the first sleeve 31 can slide along the auxiliary rod 3, and the outer wall of the first sleeve 31 is connected with a fixing device; a plurality of first limiting holes 32 are formed in the auxiliary rod 3 at even intervals along the axial direction, and limiting bolts 5 matched with the first limiting holes 32 penetrate through the first sleeve 31; the fixing device comprises a fixing plate 4 which is horizontally arranged, the size of the fixing plate 4 is smaller than or equal to that of the stirring table 2, and a plurality of fixing holes 41 are formed in the fixing plate 4.

Wherein, the size of the fixing hole is slightly larger than that of the small container to be placed, so that the small container can be placed into the fixing hole. When the small container needs to be placed on the stirring table for stirring, in order to ensure the long-time placing stability of the small container, the first sleeve is utilized to adjust the fixing plate to a proper height right above the stirring table and fix the position by the limiting bolt (the distance between the fixing plate and the stirring table is smaller than the height of the small container), and then the small container filled with the liquid and the stirring magneton is placed in the fixing hole and placed on the stirring table for normal stirring work; in addition, when a plurality of small containers in the same batch need to be stirred simultaneously, the stirring can be realized through the fixing plate.

With reference to fig. 2 and 3, a clamping assembly is disposed in the fixing hole 41, and the clamping assembly includes an arc plate 42 disposed in the fixing hole 41 and engaged with an inner wall of the fixing hole 41; a clamping rod 43 is vertically arranged at the middle point of the outer arc of the arc-shaped plate 42, and the extension line of the clamping rod 43 passes through the circle center of the arc-shaped plate 42; a clamping hole 44 for inserting the clamping rod 43 is formed in the side wall of the fixing hole 41, and a compression spring 45 is arranged between the bottom of the clamping hole 44 and the tail end of the clamping rod 43.

Under the action of the compression spring, the arc-shaped plate is matched with the inner wall of the fixing hole, so that on one hand, the small container can be more stably limited in the fixing hole, and the shaking of the small container in the stirring process is eliminated; on the other hand, the fixing hole can be used for placing small containers with different sizes.

The tail end of the clamping rod 43 is provided with a cylindrical limiting block 46, the limiting block 46 and the clamping rod 43 are coaxially arranged, and the diameter of the limiting block 46 is larger than the rod diameter of the clamping rod 43; the orifice of the clamping hole 44 is provided with a limiting ring 47, and the diameter of the inner ring of the limiting ring 47 is larger than the rod diameter of the clamping rod 43 and smaller than the diameter of the limiting block 46. The limiting ring is arranged at the orifice of the clamping hole, so that the clamping rod is prevented from being separated from the clamping hole, and the stability of the fixing plate during working is ensured.

As shown in fig. 4, in other embodiments of the present invention, the first sleeve 31 can further rotate around the auxiliary rod 3, the auxiliary rod 3 is further provided with a plurality of second limiting holes 33 engaged with the limiting bolts 5, and the second limiting holes 33 and the first limiting holes 32 are arranged in a one-hundred-eighty degree opposite arrangement. Therefore, when the fixing plate is not needed (for example, the stirring container is a conical flask and has good stability), the fixing plate can be rotated to the outer side of the stirring table through the first sleeve, and normal operation is prevented from being influenced.

As shown in fig. 5, in still other embodiments of the present invention, the auxiliary rod 3 is further sleeved with a second sleeve 34 corresponding to the first sleeve 31, and the fixing device further includes a clamp 6 connected to an outer wall of the second sleeve 34 and horizontally disposed. When the stirring vessel is a round bottom which alone cannot be stably placed on the stirring table (e.g. a round bottom flask), the neck of the vessel can be gripped by a clamp of appropriate height to ensure its stability during stirring.

Finally, it should be noted that the fixing plate 4, the clamp 6 and related components are made of non-metal materials, so that the influence of the non-metal materials on the magnetic field in the body is avoided, and the normal movement of the stirring magnetons is further influenced.

In summary, the preferred embodiments of the present invention are only examples, and the scope of the present invention is not limited thereto, and all equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the specification are within the scope covered by the present invention.

Claims

1. Magnetic stirrers with fixed function, including body (1), the top surface of body (1) is equipped with horizontally stirring platform (2), its characterized in that: a vertical auxiliary rod (3) is arranged on the side surface of the body (1), and a fixing device is arranged on the auxiliary rod (3); the fixing device comprises a fixing plate (4) which is horizontally arranged, the size of the fixing plate (4) is smaller than or equal to that of the stirring table (2), and a plurality of fixing holes (41) are formed in the fixing plate (4);

a clamping assembly is arranged in the fixing hole (41), and comprises an arc-shaped plate (42) which is arranged in the fixing hole (41) and matched with the inner wall of the fixing hole (41); a clamping rod (43) is vertically arranged at the middle point of the outer arc of the arc-shaped plate (42), and the extension line of the clamping rod (43) penetrates through the circle center of the arc-shaped plate (42);

and a clamping hole (44) for inserting the clamping rod (43) is formed in the side wall of the fixing hole (41), and a compression spring (45) is arranged between the bottom of the clamping hole (44) and the tail end of the clamping rod (43).

2. The magnetic stirrer with fixed function according to claim 1, characterized in that: the tail end of the clamping rod (43) is provided with a cylindrical limiting block (46), the limiting block (46) and the clamping rod (43) are coaxially arranged, and the diameter of the limiting block (46) is larger than the rod diameter of the clamping rod (43); the drill way of centre gripping hole (44) department is equipped with spacing ring (47), the diameter of spacing ring (47) inner ring is greater than the rod footpath of clamping rod (43) and is less than the diameter of stopper (46).

3. The magnetic stirrer with fixed function according to claim 1, characterized in that: a first sleeve (31) is sleeved on the auxiliary rod (3), the first sleeve (31) can slide along the auxiliary rod (3), and the fixing plate (4) is fixedly connected with the outer wall of the first sleeve (31);

a plurality of first limiting holes (32) evenly spaced along the axial direction are formed in the auxiliary rod (3), and limiting bolts (5) matched with the first limiting holes (32) penetrate through the first sleeve (31).

4. The magnetic stirrer with fixed function according to claim 3, characterized in that: first sleeve (31) can also wind auxiliary rod (3) rotate, still seted up on auxiliary rod (3) a plurality of with spacing bolt (5) complex second spacing hole (33), spacing hole of second (33) with first spacing hole (32) are one hundred eighty degrees mutual disposition.

5. The magnetic stirrer with fixed function according to claim 4, characterized in that: still overlap on auxiliary rod (3) and be equipped with second sleeve (34) that first sleeve (31) correspond, fixing device still including connect in second sleeve (34) outer wall and horizontally arranged's anchor clamps (6).

6. The magnetic stirrer with fixed function according to claim 5, characterized in that: the fixing plate (4), the clamp (6) and related components are all made of non-metal materials.