CN210097557U

CN210097557U - Heat collection type constant temperature magnetic stirrer

Info

Publication number: CN210097557U
Application number: CN201920611602.9U
Authority: CN
Inventors: 聂伟文; 税新凤
Original assignee: Anhui Xiu Lang New Mstar Technology Ltd
Current assignee: Anhui Xiu Lang New Mstar Technology Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-02-21
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a thermal-arrest formula constant temperature magnetic stirrers, the power distribution box comprises a box body, the top outer wall of box is provided with the insulating layer, the top outer wall of insulating layer is provided with the heating cup, the inside of heating cup is provided with stirred vessel, one side outer wall fixed mounting at box top has the dead lever, be provided with sliding connection piece on the outer wall of dead lever, one side of sliding connection piece is provided with the horizontal pole, the one end fixed mounting that the horizontal pole is close to the heating cup has the joint board, open one side outer wall of joint board has the arc wall. The utility model discloses the heating temperature of the stirring liquid of the fine control stirred vessel of staff of being convenient for can make the stirring liquid heating even moreover, has improved the stability of stirring liquid in the constant temperature magnetic stirrers, and the people's of being convenient for adjust stirred vessel's stirring liquid temperature, and the people of being convenient for control driving motor's rotational speed prevents that people from missing and touch the heating cup outer wall and receive the scald, is convenient for adapt to not equidimension stirred vessel.

Description

Heat collection type constant temperature magnetic stirrer

Technical Field

The utility model relates to a magnetic stirrers technical field especially relates to a heat-collecting type constant temperature magnetic stirrers.

Background

The magnetic stirrer is an instrument which utilizes the characteristic that like poles of magnetic substances repel each other, pushes a magnetic stirrer to rotate by constantly changing the polarities at two ends of a base, and drives a sample to rotate by means of the rotation of the magnetic stirrer so as to uniformly mix the sample. Magnetic stirrers are modern terms, and are a proper term for liquids with a low viscosity.

Constant temperature magnetic stirrers among the prior art, the staff of not being convenient for is the heating temperature of the stirring liquid of fine control stirred vessel, can not make the stirring liquid heating even moreover, and the staff of inconvenience adjusts the heating temperature in the heating cup, and agitating unit temperature adjustability is relatively poor, and people's mistake is touched the heating cup outer wall easily and is received the scald, can not adapt to the stirred vessel of equidimension not.

Therefore, it is desirable to design a heat-collecting type thermostatic magnetic stirrer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat collection type constant temperature magnetic stirrer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat collection type constant temperature magnetic stirrer comprises a box body, wherein a heat insulation layer is arranged on the outer wall of the top of the box body, a heating cup is arranged on the outer wall of the top of the heat insulation layer, a stirring container is arranged inside the heating cup, a fixing rod is fixedly arranged on the outer wall of one side of the top of the box body, a sliding connecting block is arranged on the outer wall of the fixing rod, a cross rod is arranged on one side of the sliding connecting block, a clamping plate is fixedly arranged at one end, close to the heating cup, of the cross rod, an arc-shaped groove is formed in the outer wall of one side of the clamping plate, a connecting rod is inserted into the arc-shaped groove, a rod sleeve is sleeved on the outer wall of the top end of the connecting rod, a thermistor is arranged on the outer wall of the bottom of the connecting rod, a nixie tube is, the stirring device is characterized in that a driving motor is installed at the bottom of the box body through a bolt, a rotary table is installed on an output shaft of the driving motor, two magnetic steel sheets are fixedly installed on the outer wall of the top of the rotary table and are symmetrically distributed with the circle center of the rotary table, the stirring container is located right above the two magnetic steel sheets, a magnetic stirrer is arranged inside the stirring container, and a controller is arranged inside the box body.

Furthermore, a heating sheet is installed on the inner wall of the heating cup, and a cavity is arranged inside the heating cup.

Furthermore, the outer wall of the top of the sliding connection block and the outer wall of one side of the sliding connection block are both provided with guide holes, the fixing rod is inserted into the guide holes formed in the outer wall of the top of the sliding connection block in an interference mode, and the cross rod is inserted into the guide holes formed in the outer wall of one side of the sliding connection block in an interference mode.

Further, the inside bottom fixed mounting of heating cup has three support column, and is three the top outer wall of support column all is provided with the fixed plate, and stirred vessel places on the fixed plate.

Furthermore, the equal fixed mounting of the front outer wall and the back outer wall of box has two stationary blades, one side two rotate through the removable pin between the stationary blade and be connected with the handle.

Furthermore, the output ends of the thermistor, the temperature adjusting switch and the rotating speed adjusting switch are respectively connected with the receiving end of the controller through signal wires, and the three output ends of the controller are respectively connected with the input ends of the nixie tube, the heating sheet and the cavity through electric wires.

The utility model has the advantages that:

1. through the heating cup that sets up, can heat its solution that heats in the heating cup through the heating plate of inside, later the transmission heat heats the stirring liquid for stirred vessel, and the heating temperature of the stirring liquid of the fine control stirred vessel of staff of not only being convenient for can make the stirring liquid heating even moreover, has improved the stability of stirring liquid in the constant temperature magnetic stirrers.

2. Through the temperature regulation switch and the nixie tube that set up, can make things convenient for the staff to adjust the heating temperature in the heating cup, can set up different temperatures according to the stirring leaf of difference, the nixie tube can the direct observation to the temperature in stirred vessel's the stirring liquid, and the people of being convenient for adjust stirred vessel's stirring liquid temperature has improved whole agitating unit temperature controllability.

3. Through the rotating speed regulating switch who sets up, people's control driving motor's the rotational speed of being convenient for can adjust the rotational speed according to the required rotational speed of stirring liquid of difference, has improved whole agitating unit driving motor controllability.

4. Through the cavity that sets up, the inside heat transfer of isolation heating cup that can be fine adds the heating cup outer wall, has prevented that people's mistake from touching the heating cup outer wall and receiving the scald when the heating, has improved the rationality of whole heat-collecting type constant temperature magnetic stirrers' structural design.

5. Through the sliding connection piece that sets up, through the height of the regulation horizontal pole that vertical guiding hole of cooperation and dead lever can be fine, the position of thermistor in the stirring liquid is further adjusted, can adjust the position about thermistor in the stirring liquid through horizontal guiding hole of cooperation and horizontal pole to in adapt to the not stirred vessel of equidimension.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat-collecting type constant-temperature magnetic stirrer according to the present invention;

FIG. 2 is a schematic view of a magnetic steel sheet structure of a heat-collecting type constant temperature magnetic stirrer according to the present invention;

FIG. 3 is a schematic diagram of a thermistor structure of a heat-collecting type constant temperature magnetic stirrer according to the present invention;

fig. 4 is a schematic control diagram of a controller of a heat-collecting type constant-temperature magnetic stirrer according to the present invention.

In the figure: the device comprises a box body 1, a heat insulation layer 2, a heating cup 3, a stirring container 4, a fixing rod 5, a sliding connecting block 6, a guide hole 7, a cross rod 8, a clamping plate 9, an arc groove 10, a connecting rod 11, a rod sleeve 12, a thermistor 13, a nixie tube 14, a temperature adjusting switch 15, a rotating speed adjusting switch 16, a fixing plate 17, a handle 18, a driving motor 19, a rotating disc 20, a magnetic steel sheet 21, a supporting column 22, a fixing plate 23, a magnetic stirrer 24, a heating sheet 25 and a cavity 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a heat collection type constant temperature magnetic stirrer includes a box body 1, a heat insulation layer 2 is disposed on an outer wall of a top portion of the box body 1, the heating cup 3 is prevented from being scalded to damage the top portion of the box body 1 when being heated, a heating cup 3 is disposed on an outer wall of the top portion of the heat insulation layer 2, a stirring container 4 is disposed inside the heating cup 3, a fixing rod 5 is fixedly mounted on an outer wall of one side of the top portion of the box body 1, a sliding connection block 6 is disposed on an outer wall of the fixing rod 5, a cross rod 8 is disposed on one side of the sliding connection block 6, a clamping plate 9 is fixedly mounted on one end of the cross rod 8 close to the heating cup 3, an arc-shaped groove 10 is opened on an outer wall of one side of the clamping plate 9, a connecting rod 11 is inserted into the arc-shaped groove 10, a temperature regulating switch 15 and a rotating speed regulating switch 16 are installed on the outer wall of the top of the box body 1, the temperature regulating switch 15 can facilitate workers to regulate the heating temperature in the heating cup 3, the rotating speed regulating switch 16 facilitates people to control the rotating speed of the driving motor 19, the temperature regulating switch 15 is located above the level of the rotating speed regulating switch 16, the driving motor 19 is installed at the bottom of the box body 1 through bolts, a turntable 20 is installed on an output shaft of the driving motor 19, two magnetic steel sheets 21 are fixedly installed on the outer wall of the top of the turntable 20, a magnetic field can be formed under the rotation of the driving motor 19, then the magnetic stirrers 24 in the stirring container 4 are driven to rotate, the stirring of the stirring liquid is realized, the two magnetic steel sheets 21 are symmetrically distributed around the center of the turntable 20, the stirring container 4 is located right above the two magnetic steel sheets 21, the magnetic stirrers 24 are arranged in the stirring container 4, the outer-coated polytetrafluoroethylene of the magnetic stirrers Or colloid, and a controller is arranged in the box body 1.

Further, install heating plate 25 on the inner wall of heating cup 3, can heat its solution that heats in heating cup 3 through inside heating plate 25, later the stirring liquid of heat transfer heating for stirred vessel 4, the heating temperature of the stirring liquid of the fine control stirred vessel 4 of staff of not only being convenient for, can make the stirring liquid heating even moreover, the inside of heating cup 3 is provided with cavity 26, prevent that people from touching heating cup 3 outer wall and receiving the scald by mistake when heating.

Further, the top outer wall and the one side outer wall of sliding connection piece 6 have all been opened guiding

hole

7, 5 interference of dead lever are pegged graft inside 7 guiding holes that the outer wall of sliding connection piece 6 top was opened, height through the vertical guiding hole 7 of cooperation and the 8 of regulation horizontal pole that dead lever 5 can be fine, further adjust the position of thermistor 13 in the stirring liquid, 8 interference of horizontal pole are pegged graft inside 7 guiding holes that the outer wall of sliding connection piece 6 one side was opened, can adjust thermistor 13 position about in the stirring liquid through cooperation horizontal guiding hole 7 and horizontal pole 8.

Further, the inside bottom fixed mounting who heats cup 3 has three support column 22, and the top outer wall of three support column 22 all is provided with fixed plate 23, and stirred vessel 4 places on fixed plate 23, can not only prevent that stirred vessel 4 from contacting heating cup 3, can make stirred vessel 4 more even when heating moreover.

Further, the front outer wall and the back outer wall of the box body 1 are fixedly provided with two fixing pieces 17, and a handle 18 is rotatably connected between the two fixing pieces 17 on one side through a movable pin, so that people can carry the integral heat collection type constant-temperature magnetic stirrer conveniently.

Further, the output ends of the thermistor 13, the temperature adjusting switch 15 and the rotating speed adjusting switch 16 are respectively connected with the receiving end of the controller through signal lines, the three output ends of the controller are respectively connected with the input ends of the nixie tube 14, the heating sheet 25 and the cavity 26 through electric lines, the resistance of the thermistor 13 changes along with the increase of the temperature of the stirring liquid, and then the temperature of the stirring liquid is displayed on the nixie tube 14 through the processing of the controller.

The working principle is as follows: when in use, the integral heat collection type constant-temperature magnetic stirrer is fixedly placed at a designated position through the handle 18, the stirring container 4 is prevented from being placed on the fixing plate 23 in the heating cup 3, a proper amount of heating liquid is injected into the heating cup 3, the magnetic stirrer 24 is placed in the stirring container 4, then the liquid to be stirred is poured into the stirring container 4, the rod sleeve 12 is taken, one end of the connecting rod 11 with the thermistor 13 is placed in the stirring liquid, then the connecting rod 11 is clamped in the arc-shaped groove 10, the central position of the thermistor 13 in the stirring container 4 can be adjusted by adjusting the cross rod 8 on the sliding connecting block 6, then the sliding connecting block 6 can be adjusted to move up and down on the fixing rod 5, the depth of the thermistor 13 in the stirring liquid is adjusted, so as to better measure the temperature of the stirring liquid, the clockwise temperature adjusting switch 15 is rotated to turn on the heating sheet 25, the temperature of the heating plate 25 is controlled by the controller, the temperature scale value is arranged on the temperature adjusting switch 15, people can be helped to better heat the heating liquid to a specified temperature, then the rotating speed adjusting switch 16 is slowly and clockwise rotated, the driving motor 19 is controlled by the controller to slowly rotate, the wheel disc 20 and the magnetic steel sheet 21 on the wheel disc are driven to rotate under the rotation of the output shaft of the driving motor 19, the principle of a magnetic field and a vortex is utilized, after the magnetic steel sheet 21 rotates to generate the magnetic field, the magnetic stirrer 24 is driven to circularly move, so that the aim of stirring the liquid is achieved, then the rotating speed adjusting switch 16 is slowly and clockwise rotated to further accelerate the rotating speed of the driving motor 19, the magnetic stirrer 24 is enabled to rotate at a constant speed in the stirring liquid, after the stirring is completed, the temperature adjusting switch 15 and the rotating speed adjusting switch 16 are anticlockwise rotated, the heating plate 25 and the driving, the thermistor 13 is taken out, and the stirred liquid is poured into a predetermined container.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heat collection type constant-temperature magnetic stirrer comprises a box body (1) and is characterized in that a heat insulation layer (2) is arranged on the outer wall of the top of the box body (1), a heating cup (3) is arranged on the outer wall of the top of the heat insulation layer (2), a stirring container (4) is arranged inside the heating cup (3), a fixing rod (5) is fixedly installed on the outer wall of one side of the top of the box body (1), a sliding connecting block (6) is arranged on the outer wall of the fixing rod (5), a cross rod (8) is arranged on one side of the sliding connecting block (6), a clamping plate (9) is fixedly installed at one end, close to the heating cup (3), of the cross rod (8), an arc-shaped groove (10) is formed in the outer wall of one side of the clamping plate (9), a connecting rod (11) is inserted into the arc-shaped groove (10), a, the bottom outer wall of the connecting rod (11) is provided with a thermistor (13), the top outer wall of the box body (1) is provided with a nixie tube (14), a temperature adjusting switch (15) and a rotating speed adjusting switch (16) are arranged on the outer wall of the top of the box body (1), the temperature adjusting switch (15) is positioned above the rotating speed adjusting switch (16), the bottom of the box body (1) is provided with a driving motor (19) through a bolt, an output shaft of the driving motor (19) is provided with a turntable (20), the outer wall of the top of the turntable (20) is fixedly provided with two magnetic steel sheets (21), the two magnetic steel sheets (21) are symmetrically distributed around the center of the rotary table (20), the stirring container (4) is positioned right above the two magnetic steel sheets (21), the stirring device is characterized in that a magnetic stirrer (24) is arranged in the stirring container (4), and a controller is arranged in the box body (1).

2. A heat collecting thermostatic magnetic stirrer according to claim 1, characterized in that the heating plate (25) is installed on the inner wall of the heating cup (3), and the heating cup (3) is provided with a cavity (26) inside.

3. The heat-collecting type constant-temperature magnetic stirrer according to claim 1, wherein the outer wall of the top and one side of the sliding connection block (6) are provided with guide holes (7), the fixing rod (5) is inserted into the guide hole (7) formed in the outer wall of the top of the sliding connection block (6) in an interference manner, and the cross rod (8) is inserted into the guide hole (7) formed in the outer wall of one side of the sliding connection block (6) in an interference manner.

4. The heat-collecting type constant-temperature magnetic stirrer according to claim 1, characterized in that three supporting columns (22) are fixedly installed at the bottom inside the heating cup (3), a fixing plate (23) is arranged on the outer wall of the top of each of the three supporting columns (22), and the stirring container (4) is placed on the fixing plate (23).

5. The heat-collecting type constant-temperature magnetic stirrer according to claim 1, characterized in that two fixing pieces (17) are fixedly arranged on the outer wall of the front surface and the outer wall of the back surface of the box body (1), and a handle (18) is rotatably connected between the two fixing pieces (17) on one side through a movable pin.

6. The heat-collecting type constant-temperature magnetic stirrer according to claim 1, characterized in that the output ends of the thermistor (13), the temperature adjusting switch (15) and the rotating speed adjusting switch (16) are respectively connected with the receiving end of the controller through signal lines, and the three output ends of the controller are respectively connected with the input ends of the nixie tube (14), the heating plate (25) and the cavity (26) through electric lines.