CN215877527U

CN215877527U - Rapid mixing magnetic stirrer for laboratory

Info

Publication number: CN215877527U
Application number: CN202121885082.4U
Authority: CN
Inventors: 李爽; 张昕; 吴莘昊
Original assignee: Shaanxi China Inspection And Evaluation Technology Co ltd
Current assignee: Shaanxi China Inspection And Evaluation Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-22
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a rapid mixing magnetic stirrer for laboratories, which comprises a bottom column, wherein the top of the bottom column is fixedly connected with a base, the top of the base is fixedly connected with a stand column, a hydraulic cylinder is arranged inside the stand column, the output end of the hydraulic cylinder is fixedly connected with a lifting column, two sides of the lifting column are fixedly connected with convex blocks, the inner side of the stand column is provided with a sliding groove, the top of the lifting column is rotatably connected with a knob, the bottom of the knob is fixedly connected with a lead screw extending to the bottom of an inner cavity of the lifting column, the lead screw is rotatably connected with the lifting column, the outer side of the lead screw is in threaded connection with a sliding block, and a magnetic inductor is arranged inside the sliding block. According to the utility model, the screw rod at the end part drives the sliding block to slide by rotating the rotating button, when the sliding block moves downwards, the speed of the transmission disc is increased, and when the sliding block moves upwards, the speed of the transmission disc is reduced, so that the stirring speed can be adjusted according to the stirring condition.

Description

Rapid mixing magnetic stirrer for laboratory

Technical Field

The utility model relates to the field of stirrers, in particular to a rapid mixing magnetic stirrer for a laboratory.

Background

The magnetic stirrer is a laboratory instrument for liquid mixing, is mainly used for stirring or simultaneously heating and stirring liquid or solid-liquid mixture with low viscosity, and has continuously improved requirements on stirring quality and precision along with the development of modern machinery industry.

Most of the existing rapid mixing magnetic stirrers for laboratories cannot change speed, and the stirring speed is not convenient to adjust according to the stirring condition.

Therefore, it is necessary to develop a rapid mixing magnetic stirrer for laboratory use to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rapid mixing magnetic stirrer for laboratories, which drives a lead screw at the end part to drive a sliding block to slide by rotating a rotating button, when the sliding block moves downwards, the speed of a transmission disc is increased, and when the sliding block moves upwards, the speed of the transmission disc is reduced, so that the stirring speed can be adjusted according to the stirring condition, and the problems that in the prior art, the speed cannot be changed and the stirring speed cannot be adjusted conveniently according to the stirring condition are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: a rapid mixing magnetic stirrer for a laboratory comprises a bottom column, wherein the top of the bottom column is fixedly connected with a base, the top of the base is fixedly connected with a stand column, a hydraulic cylinder is arranged inside the stand column, the output end of the hydraulic cylinder is fixedly connected with a lifting column, two sides of the lifting column are fixedly connected with convex blocks, a sliding groove is formed in the inner side of the stand column, the top of the lifting column is rotatably connected with a knob, the bottom of the knob is fixedly connected with a lead screw extending to the bottom of an inner cavity of the lifting column, the lead screw is rotatably connected with the lifting column, a sliding block is in threaded connection with the outer side of the lead screw, and a magnetic sensor is arranged inside the sliding block;

the utility model discloses a magnetic force sensor's sliding block, including magnetic force sensor's output fixedly connected with extends to the connecting rod in the sliding block outside, the tip fixedly connected with toper gear shift block of connecting rod, the internally mounted of lift post has the bearing, the dwang is connected in the inside rotation of bearing, the top fixedly connected with driving disc of dwang, the bottom fixedly connected with stirring leaf of dwang.

Preferably, the top fixedly connected with spacing groove of base, the axis of spacing groove, stirring leaf and dwang all coincides each other.

Preferably, the upright post is connected with the lifting post in a sliding manner, and the convex block is matched with the sliding groove.

Preferably, the shape of the conical speed change block is set to be conical, the conical speed change block is arranged obliquely, and the conical speed change block is in transmission connection with the rotating rod.

Preferably, the rotating rod is rotatably connected with the lifting column, and the transmission disc is tightly attached to the conical speed change block.

Preferably, the number of the stirring blades is set to be a plurality, and the stirring blades are distributed in an annular array relative to the central axis of the rotating rod.

In the technical scheme, the utility model provides the following technical effects and advantages:

the stirred vessel is placed at the top of the limiting groove, the limiting groove can fix the vessel, the stirring blades at the bottom of the lifting column extend into the stirring vessel by starting the hydraulic cylinder, the magnetic sensor starts to start after sensing an article, and then the conical speed change block at the end part is driven to rotate, the conical speed change block drives the stirring blades to rotate through the transmission disc, so that the raw materials are stirred and mixed, the stirring blades are multiple in number, the stirring efficiency is greatly improved, and the stirring is more thorough;

when needs change slew velocity, through can be through rotating the turn-button, the lead screw that makes the tip drives the sliding block and slides, and when the sliding block lapse, the speed of driving dish improves, and when the sliding block rebound, the speed that drives the driving dish slows down to be favorable to adjusting the stirring speed according to the condition of stirring.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the lifting column of the present invention;

FIG. 4 is a schematic cross-sectional view of the slider of the present invention.

Description of reference numerals:

1. a bottom pillar; 2. a base; 3. a limiting groove; 4. a column; 5. a hydraulic cylinder; 6. a lifting column; 7. a bump; 8. a chute; 9. turning a button; 10. a screw rod; 11. a slider; 12. a magnetic force sensor; 13. a connecting rod; 14. a conical shift block; 15. a drive plate; 16. rotating the rod; 17. a bearing; 18. stirring the leaves.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a rapid mixing magnetic stirrer for a laboratory, which is shown in figures 1-4 and comprises a bottom column 1, wherein the top of the bottom column 1 is fixedly connected with a base 2, the top of the base 2 is fixedly connected with a stand column 4, a hydraulic cylinder 5 is arranged inside the stand column 4, the output end of the hydraulic cylinder 5 is fixedly connected with a lifting column 6, two sides of the lifting column 6 are fixedly connected with convex blocks 7, the inner side of the stand column 4 is provided with a sliding groove 8, the top of the lifting column 6 is rotatably connected with a rotating button 9, the bottom of the rotating button 9 is fixedly connected with a screw rod 10 extending to the bottom of the inner cavity of the lifting column 6, the screw rod 10 is rotatably connected with the lifting column 6, the outer side of the sliding block 10 is in threaded connection with a sliding block 11, and a magnetic inductor 12 is arranged inside the sliding block 11;

magnetic force inductor 12's output fixedly connected with extends to the connecting rod 13 in the sliding block 11 outside, the tip fixedly connected with toper gear shift block 14 of connecting rod 13, the internally mounted of lift post 6 has bearing 17, dwang 16 is connected in the inside rotation of bearing 17, the top fixedly connected with driving disc 15 of dwang 16, the bottom fixedly connected with stirring leaf 18 of dwang 16.

In the above technical scheme, the top fixedly connected with spacing groove 3 of base 2, the axis of spacing groove 3, stirring leaf 18 and dwang 16 all coincides each other, can fix the household utensils that are stirred, and the accurate location of being convenient for.

In the above technical solution, the upright column 4 is slidably connected to the lifting column 6, and the protrusion 7 is matched with the sliding groove 8, so as to drive the rotating rod 16 to move up and down.

As shown in fig. 1-4: the shape of toper gear shift piece 14 sets up to the toper, and toper gear shift piece 14 slope sets up, toper gear shift piece 14 is connected with the dwang 16 transmission, is convenient for adjust the slew velocity of dwang 16.

In the above technical scheme, dwang 16 rotates with lift post 6 to be connected, driving disc 15 closely laminates with toper gear shift block 14, can drive dwang 16 and stirring leaf 18 and rotate to stir the mixture to the raw materials.

In the above technical scheme, the quantity of stirring leaf 18 sets up to a plurality ofly, and is a plurality of stirring leaf 18 distributes about the axis annular array of dwang 16, has improved the efficiency of stirring greatly, makes the stirring more thorough.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, firstly, a user can place a stirred vessel on the top of a limiting groove 3, the limiting groove 3 can fix the vessel, then the user can start a hydraulic cylinder 5 to drive a lifting column 6 to descend, so that a stirring blade 18 at the bottom of the lifting column 6 extends into the stirring vessel, when the stirring blade 18 at the bottom of the lifting column 6 descends to a proper position, the hydraulic cylinder 5 is closed, a magnetic sensor 12 starts to start, and then a conical speed change block 14 at the end part is driven to rotate, the conical speed change block 14 drives a driving disc 15 at the side to rotate, the driving disc 15 drives the stirring blade 18 at the end part of a rotating rod 16 to rotate, and thus stirring and mixing of raw materials are completed;

referring to the attached

drawings

1, 3 and 4 of the specification, when the rotation speed needs to be changed, the screw rod 10 at the end part can be rotated by rotating the rotating knob 9, the screw rod 10 drives the sliding block 11 to slide, when the sliding block 11 moves downwards, the contact point of the transmission disc 15 and the conical speed change block 14 gradually moves upwards, the movement perimeter is gradually increased from bottom to top due to the conical arrangement of the conical speed change block 14, so that the speed of the transmission disc 15 is increased, and when the sliding block 11 moves upwards, the speed of the transmission disc 15 is reduced, so that the stirring speed can be adjusted according to the stirring condition.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. a laboratory rapid mixing magnetic stirrer, comprising a base column (1), characterized in that: the top of the base column (1) is fixedly connected with a base (2), and the top of the base (2) A vertical column (4) is fixedly connected, a hydraulic cylinder (5) is installed inside the vertical column (4), an output end of the hydraulic cylinder (5) is fixedly connected with a lifting column (6), and the lifting column (6) The two sides of the lift column (6) are fixedly connected with bumps (7), the inner side of the column (4) is provided with a chute (8), and the top of the lifting column (6) is rotatably connected with a knob (9). The bottom of (9) is fixedly connected with a lead screw (10) extending to the bottom of the inner cavity of the lifting column (6). A sliding block (11) is threadedly connected, and a magnetic sensor (12) is installed inside the sliding block (11);

The output end of the magnetic sensor (12) is fixedly connected with a connecting rod (13) extending to the outside of the sliding block (11), and the end of the connecting rod (13) is fixedly connected with a conical shifting block (14), A bearing (17) is installed inside the lifting column (6), the inside of the bearing (17) is rotatably connected to a rotating rod (16), and a transmission disc (15) is fixedly connected to the top of the rotating rod (16), A stirring blade (18) is fixedly connected to the bottom of the rotating rod (16).

2. A kind of laboratory rapid mixing magnetic stirrer according to claim 1, characterized in that: the top of the base (2) is fixedly connected to a limit groove (3), and the limit groove (3) , The central axes of the stirring blade (18) and the rotating rod (16) coincide with each other.

3. A kind of laboratory rapid mixing magnetic stirrer according to claim 1, is characterized in that: described upright column (4) is slidably connected with lift column (6), and bump (7) and chute ( 8) Match.

4. The rapid mixing magnetic stirrer for laboratory use according to claim 1, characterized in that: the shape of the conical shifting block (14) is set to be conical, and the conical shifting block (14) is inclined It is provided that the conical shifting block (14) is in a transmission connection with the rotating rod (16).

5. A kind of laboratory rapid mixing magnetic stirrer according to claim 1, characterized in that: the rotating rod (16) is rotatably connected with the lifting column (6), and the transmission disc (15) is connected with the cone The shape shifting block (14) fits tightly.

6. The rapid mixing magnetic stirrer for laboratory use according to claim 1, characterized in that: the number of the stirring blades (18) is set to a plurality, and the plurality of the stirring blades (18) are about rotating The central axes of the rods (16) are distributed in an annular array.