CN214131484U

CN214131484U - Magnetic stirrer with temperature measuring device

Info

Publication number: CN214131484U
Application number: CN202022901328.4U
Authority: CN
Inventors: 陈天成
Original assignee: Beijing Robby Biotechnology Co ltd
Current assignee: Beijing Robby Biotechnology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-07
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a magnetic stirrers with temperature-measuring device, comprising a base plate, one side fixed mounting at bottom plate top has the sleeve pipe, sheathed tube inner chamber sliding connection has the carriage release lever, the upper end on carriage release lever surface is provided with the movable plate, the positive lower extreme fixed mounting of sleeve pipe has temperature measuring apparatu, the circular slot has been seted up at the top of movable plate and near one side of carriage release lever. The utility model discloses a servo motor's setting, servo motor begins work, servo motor's output shaft drives gear revolve, gear and rack toothing to make the sliding plate remove at the top of movable plate, the movable plate removes and drives the connecting rod and remove, and the connecting rod drives temperature sensor and removes, and the removal carriage release lever can drive the movable plate and remove, thereby drives the connecting rod and removes, has reached and has carried out real-time temperature measurement to the liquid of heating, ensures that heating temperature can not be too high, plays the effect of guard action to liquid.

Description

Magnetic stirrer with temperature measuring device

Technical Field

The utility model relates to a magnetic stirrers technical field specifically is a magnetic stirrers with temperature measuring device.

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 the basic principle that the magnetic stirrer placed in a container is pushed by a magnetic field to perform circumferential operation by utilizing the principle that like poles repel and opposite poles attract of the magnetic field, so that the aim of stirring the liquid is fulfilled.

When the magnetic stirrer heats liquid, the temperature of the liquid cannot be measured, which causes the temperature to be too high, and damages the liquid to be heated, so that the magnetic stirrer with the temperature measuring device is needed to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic stirrers with temperature measuring device can carry out real-time temperature measurement to the liquid of heating, ensures that heating temperature can not be too high, plays the guard action to liquid to solve the problem of proposing among the above-mentioned background art.

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

a magnetic stirrer with a temperature measuring device comprises a bottom plate, a sleeve is fixedly arranged on one side of the top of the bottom plate, the inner cavity of the sleeve is connected with a movable rod in a sliding way, the upper end of the surface of the movable rod is provided with a movable plate, the lower end of the front surface of the sleeve is fixedly provided with a temperature measuring instrument, one side of the top of the movable plate, which is close to the movable rod, is provided with a circular groove, the inner cavity of the circular groove is provided with a limiting mechanism, the top of the moving plate is provided with a channel, the inner cavity of the channel is connected with a connecting rod in a sliding way, the bottom of the connecting rod is fixedly provided with a temperature sensor, the top of the connecting rod is fixedly provided with a sliding plate, a servo motor is fixedly arranged at the top of the sliding plate, a gear is fixedly arranged on an output shaft of the servo motor, the gear is meshed with a rack, and a magnetic stirrer body is fixedly mounted at the top of the bottom plate.

Preferably, the bottom of the sliding plate is slidably connected with the top of the moving plate, and the rack is fixedly mounted on the top of the moving plate.

Preferably, the top of the magnetic stirrer body is fixedly provided with a storage cup, and the temperature sensor is positioned in an inner cavity of the storage cup.

Preferably, stop gear includes draw-in groove and notch, the surface of carriage release lever is seted up to the draw-in groove equidistance, the inside of movable plate is seted up to the notch, one side of notch and one side intercommunication of circular slot.

Preferably, a spring is fixedly mounted on one side of the inner cavity of the notch, a clamping block is fixedly mounted on one side of the spring, and one side of the clamping block is slidably inserted into the inner cavity of the clamping groove.

Preferably, the upper end on the surface of the movable rod is fixedly provided with a limiting plate at the bottom of the movable plate, and the bottom of the limiting plate is attached to the bottom of the movable plate.

Preferably, the upper end of one side of the surface of the sleeve is in threaded connection with a fixing bolt, and one side of the fixing bolt penetrates through the sleeve and extends to an inner cavity of the sleeve to be attached to one side of the surface of the movable rod.

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

1. the utility model discloses a servo motor's setting, servo motor begins work, and servo motor's output shaft drives gear revolve, gear and rack toothing to make the sliding plate move at the top of movable plate, the movable plate removes and drives the connecting rod removal, and the connecting rod drives temperature sensor and removes, and the removal carriage release lever can drive the movable plate removal, thereby drives the connecting rod removal, has reached and has carried out real-time temperature measurement to the liquid that heats, ensures that heating temperature can not be too high, plays the guard action's effect to liquid;

2. the utility model has the advantages that the limiting plate has the limiting and supporting functions, the sliding of the moving plate is prevented, the stability of the moving plate is increased, the fixing bolt can fix the moving rod, the notch is convenient for storing the spring, the moving plate is moved, the stress of the moving plate enables the fixture block to move in the inner cavity of the notch, the spring is stressed to shrink when the fixture block moves, the fixture block is separated from the clamping groove, the limitation to the moving plate is removed, when the spring is not stressed, the reaction force of the spring drives the fixture block to move, the fixture block is inserted into the inner cavity of the clamping groove to limit the moving plate again, the storage cup is convenient for storing liquid, the magnetic rotor is arranged at the bottom of the inner cavity of the storage cup, the magnetic rotor is matched with the magnetic stirrer body, the connecting rod can support and fix the temperature sensor, the sliding plate can support the servo motor, the servo motor can output power, the cooperation of the gear and the rack allows the sliding plate to move on top of the moving plate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a partial section of the moving plate of the present invention;

FIG. 3 is an enlarged schematic view of the area A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the local inside of the casing according to the present invention.

In the figure: 1. a base plate; 2. a sleeve; 3. fixing the bolt; 4. a travel bar; 5. a limiting plate; 6. a temperature sensor; 7. a connecting rod; 8. a gear; 9. a servo motor; 10. a rack; 11. moving the plate; 12. Storing the cup; 13. a magnetic stirrer body; 14. a circular groove; 15. a sliding plate; 16. a channel; 17. a limiting mechanism; 1701. a card slot; 1702. a clamping block; 1703. a notch; 1704. a spring; 18. and a temperature measuring instrument.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

a magnetic stirrer with a temperature measuring device comprises a bottom plate 1, wherein a sleeve 2 is fixedly installed on one side of the top of the bottom plate 1, an inner cavity of the sleeve 2 is connected with a moving rod 4 in a sliding mode, a limiting plate 5 is fixedly installed at the upper end of the surface of the moving rod 4 and positioned at the bottom of a moving plate 11, the bottom of the limiting plate 5 is attached to the bottom of the moving plate 11, a fixing bolt 3 is connected to the upper end of one side of the surface of the sleeve 2 in a threaded mode, and one side of the fixing bolt 3 penetrates through the sleeve 2 and extends into the inner cavity of the sleeve 2 to be attached to one side of the surface of the moving rod 4;

the limiting plate 5 has limiting and supporting functions, the moving plate 11 is prevented from sliding, the stability of the moving plate 11 is improved, and the fixing bolt 3 can fix the moving rod 4;

a moving plate 11 is arranged at the upper end of the surface of the moving rod 4, a temperature measuring instrument 18 is fixedly mounted at the lower end of the front surface of the sleeve 2, a circular groove 14 is formed in the top of the moving plate 11 and on one side, close to the moving rod 4, of the moving plate 4, a limiting mechanism 17 is arranged in the inner cavity of the circular groove 14, the limiting mechanism 17 comprises a clamping groove 1701 and a notch 1703, the clamping groove 1701 is equidistantly formed in the surface of the moving rod 4, the notch 1703 is formed in the moving plate 11, one side of the notch 1703 is communicated with one side of the circular groove 14, a spring 1704 is fixedly mounted on one side of the inner cavity of the notch 1703, a clamping block 1702 is fixedly mounted on one side of the spring 1704, and one side of the clamping block 1702 is slidably inserted into the inner cavity of the clamping groove 1701;

through the arrangement of the notch 1703, the notch 1703 is convenient for storing the spring 1704, the moving plate 11 is moved, the moving plate 11 is stressed to enable the fixture block 1702 to be stressed to move in the inner cavity of the notch 1703, the spring 1704 is stressed to contract when the fixture block 1702 moves, the fixture block 1702 is separated from the clamping groove 1701, the limitation on the moving plate 11 is removed, when the spring 1704 is not stressed, the counter-acting force of the spring 1704 drives the fixture block 1702 to move, the fixture block 1702 is inserted into the inner cavity of the clamping groove 1701, and the moving plate 11 is limited again;

the top of the moving plate 11 is provided with a channel 16, the inner cavity of the channel 16 is connected with a connecting rod 7 in a sliding manner, the bottom of the connecting rod 7 is fixedly provided with a temperature sensor 6, the top of the bottom plate 1 is fixedly provided with a magnetic stirrer body 13, the top of the magnetic stirrer body 13 is fixedly provided with a storage cup 12, and the temperature sensor 6 is positioned in the inner cavity of the storage cup 12;

through the arrangement of the storage cup 12, the storage cup 12 is convenient for storing liquid, a magnetic rotor is arranged at the bottom of an inner cavity of the storage cup 12 and is matched with the magnetic stirrer body 13, and the connecting rod 7 can support and fix the temperature sensor 6;

a sliding plate 15 is fixedly installed at the top of the connecting rod 7, a servo motor 9 is fixedly installed at the top of the sliding plate 15, a gear 8 is fixedly installed at an output shaft of the servo motor 9, the gear 8 is meshed with a rack 10, the bottom of the sliding plate 15 is slidably connected with the top of the moving plate 11, and the rack 10 is fixedly installed at the top of the moving plate 11;

through the arrangement of the sliding plate 15, the sliding plate 15 can support the servo motor 9, the servo motor 9 can output power, and the gear 8 and the rack 10 are matched with each other, so that the sliding plate 15 can move on the top of the moving plate 11.

The working principle is as follows: when the temperature sensor is used, the moving plate 11 is moved, the moving plate 11 is stressed to enable the fixture block 1702 to move in the inner cavity of the notch 1703, the spring 1704 is stressed to contract when the fixture block 1702 moves, the fixture block 1702 is separated from the clamping groove 1701 at the moment, when the moving plate 11 moves to the position above the storage cup 12, the moving plate 11 stops moving, the reaction force of the spring 1704 drives the fixture block 1702 to move, the fixture block 1702 is inserted into the inner cavity of the clamping groove 1701, the fixing bolt 3 is screwed, the fixing bolt 3 rotates to be separated from the surface of the moving rod 4, the fixing of the moving rod 4 is released, the length of the moving rod 4 in the inner cavity of the sleeve 2 is adjusted according to needs, the fixing bolt 3 is screwed after the adjustment is completed, the moving rod 4 is fixed again through the fixing bolt 3, the temperature sensor 6 is located in the inner cavity of the storage cup 12, the servo motor 9 works, the output shaft of the servo motor 9 drives the gear 8 to rotate, and the gear 8 is meshed with the rack 10, therefore, the sliding plate 15 moves on the top of the moving plate 11, the sliding plate 15 moves to drive the connecting rod 7 to move, the connecting rod 7 drives the temperature sensor 6 to move, the temperature sensor 6 measures the temperature in the storage cup 12, the temperature is transmitted to the temperature measuring instrument 18 through a lead, and the temperature measuring instrument 18 displays the temperature.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A magnetic stirrer with temperature measuring device, comprising a base plate (1), characterized in that: a sleeve (2) is fixedly mounted on one side of the top of the bottom plate (1), a moving rod (4) is connected to an inner cavity of the sleeve (2) in a sliding mode, a moving plate (11) is arranged at the upper end of the surface of the moving rod (4), a temperature measuring instrument (18) is fixedly mounted at the lower end of the front face of the sleeve (2), a circular groove (14) is formed in the top of the moving plate (11) and one side, close to the moving rod (4), of the moving plate (11), a limiting mechanism (17) is arranged in the inner cavity of the circular groove (14), a channel (16) is formed in the top of the moving plate (11), a connecting rod (7) is connected to the inner cavity of the channel (16) in a sliding mode, a temperature sensor (6) is fixedly mounted at the bottom of the connecting rod (7), a sliding plate (15) is fixedly mounted at the top of the connecting rod (7), and a servo motor (9) is fixedly mounted at the top of the sliding plate (15), an output shaft of the servo motor (9) is fixedly provided with a gear (8), the gear (8) is meshed with a rack (10), and the top of the bottom plate (1) is fixedly provided with a magnetic stirrer body (13).

2. A magnetic stirrer having a temperature measuring device according to claim 1, wherein: the bottom of the sliding plate (15) is connected with the top of the moving plate (11) in a sliding mode, and the rack (10) is fixedly installed at the top of the moving plate (11).

3. A magnetic stirrer having a temperature measuring device according to claim 1, wherein: the magnetic stirrer is characterized in that a storage cup (12) is fixedly mounted at the top of the magnetic stirrer body (13), and the temperature sensor (6) is located in an inner cavity of the storage cup (12).

4. A magnetic stirrer having a temperature measuring device according to claim 1, wherein: stop gear (17) include draw-in groove (1701) and notch (1703), draw-in groove (1701) equidistance is seted up on the surface of carriage release lever (4), the inside of movable plate (11) is seted up in notch (1703), one side and one side intercommunication in circular slot (14) of notch (1703).

5. A magnetic stirrer with a temperature measuring device according to claim 4, characterized in that: a spring (1704) is fixedly installed on one side of the inner cavity of the notch (1703), a clamping block (1702) is fixedly installed on one side of the spring (1704), and one side of the clamping block (1702) is slidably inserted into the inner cavity of the clamping groove (1701).

6. A magnetic stirrer having a temperature measuring device according to claim 1, wherein: the upper end on carriage release lever (4) surface just is located the bottom fixed mounting of movable plate (11) and has limiting plate (5), the bottom of limiting plate (5) and the bottom laminating of movable plate (11).

7. A magnetic stirrer having a temperature measuring device according to claim 1, wherein: the upper end threaded connection on one side of the surface of the sleeve (2) is provided with a fixing bolt (3), one side of the fixing bolt (3) penetrates through the sleeve (2) and extends to the inner cavity of the sleeve (2) to be attached to one side of the surface of the movable rod (4).