CN217887783U - Constant temperature magnetic stirrers - Google Patents

Abstract

The utility model discloses a constant temperature magnetic stirrer, which comprises a casing, a fixing groove is arranged above the casing, a heating tray is fixedly installed in the fixing groove, a container is placed above the heating tray, and a container is placed in the casing. A motor is provided, a first bevel gear is provided on the rotating shaft of the motor, a second bevel gear meshing with the first bevel gear is provided at the upper end of the shaft, and the top of the shaft is fixedly connected with the magnet mounting seat, and the A magnet is fixedly installed on the magnet mounting base, a water tank is provided on the upper side of the housing, a pump body is fixedly installed above the water tank, the input end of the pump body extends to the bottom of the water tank through a water pipe, and the pump body The output end is communicated with the upper end of the container through a water pipe. The stirrer has the advantages of simple structure, convenient operation and good stirring effect, which effectively ensures the water level inside the container and ensures the use safety of the stirrer.

Description

A constant temperature magnetic stirrer

technical field

The utility model relates to the technical field of a magnetic stirrer, in particular to a constant temperature magnetic stirrer.

Background technique

Compared with ordinary magnetic stirrers, constant temperature magnetic stirrers have the characteristics of high sensitivity, strong controllability and wide temperature control range. It is widely used in advanced organic chemistry synthesis experiments. It is also an ideal tool for supporting various analyzer stirrer solutions. The heat-collecting constant-temperature magnetic stirrer is a relatively common constant-temperature magnetic stirrer. Most of the existing heat-collecting constant-temperature magnetic stirrers are manually added to water. The reaction time of many chemical experiments is long. It needs to add water frequently, which greatly increases the workload of the operator on the one hand, and on the other hand, it is also prone to dry burning, resulting in energy waste and even damage to the instrument, which is very inconvenient to use. For this purpose, we propose a constant temperature magnetic stirrer.

Utility model content

The purpose of this utility model is to provide a constant temperature magnetic stirrer to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a constant temperature magnetic stirrer, including a housing, a fixing groove is arranged above the housing, a heating tray is fixedly installed in the fixing groove, and a heating tray is installed above the heating tray. A container is placed, a motor is provided in the housing, a first bevel gear is provided on the rotating shaft of the motor, a shaft is provided in the housing near the first bevel gear, and the shaft is movable below the housing. connected, the upper end of the shaft is provided with a second bevel gear meshing with the first bevel gear, the top of the shaft is fixedly connected with the magnet mount, the magnet mount is fixed with a magnet, and the middle of the container is set There is a stirrer, and a water tank is provided on the upper side of the housing, and a pump body is fixedly installed above the water tank. The input end of the pump body extends to the bottom of the water tank through a water pipe, and the output end of the pump body connects to The upper ends of the containers are connected, and a first liquid level sensor is arranged at the inner upper end of the container, and a second liquid level sensor is arranged below the first liquid level sensor.

Preferably, a support rod is provided on one side of the container above the housing, a sleeve is sleeved on the upper end of the support rod, the sleeve is movably connected to the support rod, and one side of the sleeve is fixedly connected to the connecting rod. The end of the connecting rod far away from the sleeve is fixedly connected with the temperature sensing rod, and the sleeve is provided with fastening bolts.

Preferably, a water inlet pipe is provided on one side of the water tank.

Preferably, a display screen is provided on the side wall of the housing away from the water tank, a control button is provided below the display screen, and a temperature control knob is provided on one side of the display screen.

Preferably, one side wall of the housing is provided with a heat dissipation window.

Compared with the prior art, the beneficial effect of the utility model is: for this constant temperature magnetic stirrer, the first bevel gear on the rotating shaft of the motor starts to rotate, and the second bevel gear meshing with the first bevel gear also rotates accordingly , so that the second bevel gear drives the shaft and the magnet mounting seat to rotate accordingly. Under the action of the magnetic force, the magnet drives the stirrer to rotate, and then the stirrer performs stirring work inside the container. Through the transmission of the pump body, it can The water inside the water tank is transferred to the inside of the container. The first liquid level sensor and the second liquid level sensor can detect the liquid level inside the container. The height of the water level inside the container ensures the safety of the mixer.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model;

In the figure: 1 shell, 2 fixed slot, 3 heating tray, 4 container, 5 stirrer, 6 motor, 7 first bevel gear, 8 shaft rod, 9 second bevel gear, 10 magnet mount, 11 magnet, 12 Water tank, 13 pump body, 14 water pipe, 15 support rod, 16 bushing, 17 connecting rod, 18 temperature sensing rod, 19 fastening bolt, 20 first liquid level sensor, 21 second liquid level sensor, 22 water inlet pipe, 23 Heat dissipation windows, 24 display screens, 25 control buttons, 26 temperature control knobs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a constant temperature magnetic stirrer, including a housing 1, a fixing groove 2 is arranged above the housing 1, and a heating device is fixedly installed in the fixing groove 2 Tray 3, a container 4 is placed above the heating tray 3, and the fixing groove 2 can position the heating tray 3 and the container 4 to prevent the container 4 from sliding on the tray. The housing 1 is provided with a motor 6, and the A first bevel gear 7 is arranged on the rotating shaft of the motor 6, and a shaft 8 is arranged on a side close to the first bevel gear 7 in the housing 1, and the bottom of the shaft 8 is movably connected with the housing 1, and the shaft The upper end of 8 is provided with a second bevel gear 9 meshing with the first bevel gear 7, and the top of the shaft 8 is fixedly connected with the magnet mounting base 10, and a magnet 11 is fixedly installed on the magnet mounting base 10, and the inside of the container 4 The middle part is provided with a stirrer 5, and when the motor 6 is working, the first bevel gear 7 on the rotating shaft of the motor 6 starts to rotate, so that the second bevel gear 9 meshing with the first bevel gear 7 also rotates thereupon, thereby making the first bevel gear 7 rotate accordingly. The second bevel gear 9 drives the shaft rod 8 and the magnet mount 10 to rotate accordingly. Under the action of the magnetic force, the magnet 11 drives the stirrer 5 to rotate, and then the stirrer 5 is stirred inside the container 4. The housing 1 is provided with a water tank 12 on one side above the water tank 12, and a pump body 13 is fixedly installed above the water tank 12. The input end of the pump body 13 extends to the bottom of the water tank 12 through the water pipe 14, and the output end of the pump body 13 passes through the water pipe 14. It communicates with the upper end of the container 4, the upper end of the container 4 is provided with a first liquid level sensor 20, and the second liquid level sensor 21 is provided below the first liquid level sensor 20, and the water tank 12 can be used to store the aqueous solution, through the pump body 13, the water inside the water tank 12 can be transferred to the inside of the container 4, the first liquid level sensor 20 and the second liquid level sensor 21 can detect the liquid level inside the container 4, when the liquid level inside the container 4 is too low Water can be injected into the container 4 through the pump body 13, and when the liquid level reaches the position of the second liquid level sensor 21, the water injection into the container 4 can be stopped.

Further, a support rod 15 is provided above the housing 1 on one side of the container 4, the upper end of the support rod 15 is sleeved with a sleeve 16, and the sleeve 16 is movably connected with the support rod 15, and the sleeve 16 one side is fixedly connected with the connecting rod 17, the end of the connecting rod 17 away from the sleeve 16 is fixedly connected with the temperature sensing rod 18, the sleeve 16 is provided with fastening bolts 19, the sleeve 16 can be mounted on the support rod 15 Sliding, so that the height of the temperature sensing rod 18 can be adjusted through the sleeve 16, and the setting of the fastening bolt 19 is convenient for positioning the sleeve 16, so that the position of the temperature sensing rod 18 can be positioned.

Furthermore, a water inlet pipe 22 is provided on one side of the water tank 12 through which water can be injected into the water tank 12 .

Further, a display screen 24 is provided on the side wall of the housing 1 away from the water tank 12, a control button 25 is provided below the display screen 24, a temperature control knob 26 is provided on the side of the display screen 24, and the display screen 24 24 can display the working state of the agitator, so that it is convenient for the staff to observe, and the working process of the agitator can be controlled by the notification control button 25 .

Furthermore, a heat dissipation window 23 is provided on one side wall of the casing 1 , and the heat dissipation window 23 is convenient for dissipating the heat inside the casing 1 to prevent the motor 6 from being damaged due to excessive temperature.

Concretely, in the present utility model, at first, the liquid to be stirred is put into container 4 interior, start motor 6, and motor 6 passes the transmission between the first bevel gear 7 and the second bevel gear 9, makes shaft rod 8 drive magnet Install seat 10, and then make magnet 11 drive stirrer 5 to carry out agitation work inside container 4, when the liquid level inside container 4 drops to second liquid level sensor 21, display screen 24 shows relevant information, through operator's timely report to Water is added inside the container, and then the pump body 13 is started, and the pump body 13 transfers the water in the water tank 12 to the inside of the container 4, so that the container 4 can store sufficient water.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a constant temperature magnetic stirrer, comprising housing (1), is characterized in that: described housing (1) top is provided with fixing groove (2), and in described fixing groove (2) is fixedly installed with heating tray ( 3), the container (4) is placed above the heating tray (3), the housing (1) is provided with a motor (6), and the rotation shaft of the motor (6) is provided with a first bevel gear (7 ), the housing (1) is provided with a shaft (8) near the side of the first bevel gear (7), the bottom of the shaft (8) is movably connected with the housing (1), and the shaft ( 8) The upper end is provided with a second bevel gear (9) meshing with the first bevel gear (7), and the upper part of the shaft (8) is fixedly connected with the magnet mount (10), and A magnet (11) is fixedly installed, a stirrer (5) is provided in the middle of the container (4), a water tank (12) is provided on the upper side of the housing (1), and the upper side of the water tank (12) is fixedly installed There is a pump body (13), the input end of the pump body (13) is extended to the bottom of the water tank (12) through the water pipe (14), and the output end of the pump body (13) is connected to the upper end of the container (4) through the water pipe (14) In communication with each other, a first liquid level sensor (20) is provided at the inner upper end of the container (4), and a second liquid level sensor (21) is provided below the first liquid level sensor (20). 2. A constant temperature magnetic stirrer according to claim 1, characterized in that: a support rod (15) is provided on the side of the container (4) above the housing (1), and the support rod (15) The upper end is sleeved with a sleeve (16), the sleeve (16) is movably connected with the support rod (15), one side of the sleeve (16) is fixedly connected with the connecting rod (17), and the connecting rod (17) ) is fixedly connected to the temperature sensing rod (18) at one end away from the casing (16), and the casing (16) is provided with fastening bolts (19). 3. A constant temperature magnetic stirrer according to claim 1, characterized in that: a water inlet pipe (22) is provided on one side of the water tank (12). 4. A constant temperature magnetic stirrer according to claim 1, characterized in that: the housing (1) is provided with a display screen (24) on the side wall away from the water tank (12), and the display screen (24) ) below is provided with a control button (25), and one side of the display screen (24) is provided with a temperature control knob (26). 5. A constant temperature magnetic stirrer according to claim 1, characterized in that: a side wall of the casing (1) is provided with a heat dissipation window (23).

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