Temperature probe support for magnetic stirrer

Abstract

The utility model relates to a temperature probe support for a magnetic stirrer, which comprises a hollow plate, a rectangular sliding block penetrating to the front of the hollow plate is slidably mounted in the hollow plate, a supporting plate is fixedly mounted at the top of the hollow plate, and a motor is fixedly mounted at the top of the supporting plate. And a threaded rod penetrating into the hollow plate and the rectangular sliding block is fixedly installed at the output end of the bottom of the motor, the threaded rod is rotationally installed in the hollow plate, the threaded rod is in threaded connection with the rectangular sliding block, and a supporting arm is fixedly installed in front of the rectangular sliding block. According to the temperature probe support for the magnetic stirrer, the motion trail, posture or position change of a palm is captured through the gesture recognition sensor, the information is converted into an electric signal and transmitted to the PLC, and the PLC can send a control instruction to the motor after receiving the signal; and then the motor drives the threaded rod to rotate forwards and backwards to drive the temperature probe to ascend and descend, so that the convenience of the device in use is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic stirrers, and specifically relates to a temperature probe bracket for a magnetic stirrer. Background Art

[0002] Magnetic stirrers are mainly used for stirring or simultaneously heating and stirring low-viscosity chemical liquids or solid-liquid mixtures. They drive a magnetic stir bar placed in a container to rotate in a circular motion through a magnetic field, thereby achieving the purpose of stirring the liquid. The temperature probe bracket is an important part of the magnetic stirrer system, and it is mainly used to fix the temperature probe to ensure that the temperature sensor can accurately measure and feedback the actual temperature of the solution.

[0003] Most of the existing temperature probe brackets adopt manual and mechanical adjustment methods, such as knobs, levers, etc., to control the lifting of the temperature probe. This operation method is not only cumbersome, but also significantly reduces the work efficiency and increases the burden on the operator when frequent adjustments are required during the experiment. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a temperature probe bracket for a magnetic stirrer to overcome the above deficiencies in the prior art.

[0005] The technical solution for the utility model to solve the above technical problems is as follows: A temperature probe bracket for a magnetic stirrer includes a hollow plate. A rectangular slider penetrating to the front of the hollow plate is slidably installed inside the hollow plate. A support plate is fixedly installed on the top of the hollow plate. A motor is fixedly installed on the top of the support plate. The bottom output end of the motor is fixedly installed with a threaded rod penetrating into the hollow plate and the rectangular slider. The threaded rod is rotatably installed inside the hollow plate. The threaded rod is in threaded connection with the rectangular slider. A support arm is fixedly installed in front of the rectangular slider. An installation cylinder is fixedly installed in front of the support arm. A rubber cylinder penetrating to the bottom of the installation cylinder is slidably installed on the top of the installation cylinder. A temperature probe is movably installed inside the rubber cylinder. A gesture recognition sensor is fixedly installed in front of the installation cylinder. A PLC controller electrically connected to the gesture recognition sensor is fixedly installed on the top of the support arm. The PLC controller is electrically connected to the motor.

[0006] The beneficial effect of the utility model is that the gesture recognition sensor captures the movement trajectory, posture or position change of the palm, and converts this information into an electrical signal and transmits it to the PLC controller. After receiving the signal, the PLC controller can send a control instruction to the motor, and then the motor drives the threaded rod to rotate forward and backward to drive the temperature probe to lift, thereby significantly improving the convenience of the device during use.

[0007] On the basis of the above technical solutions, the present utility model can also be improved as follows.

[0008] Further, two circular grooves are provided on the outer wall of the temperature probe near its bottom. A plugging cylinder is sleeved outside the temperature probe near its bottom. The outside of the plugging cylinder is a circular ring-shaped hollow structure. A round head column penetrating into the two circular grooves is slidably installed inside the plugging cylinder. An internal spring sleeved on the outside of the two round head columns is fixedly installed inside the plugging cylinder.

[0009] Further, a bottom spring is fixedly installed at the bottom of the plugging cylinder. The bottom of the bottom spring is fixedly installed with a firing pin penetrating into its inside. A pressure sensor is fixedly installed inside the plugging cylinder near its bottom. The pressure sensor is electrically connected to the support arm.

[0010] Further, a vertical rod in front of the hollow plate is fixedly installed at the bottom of the support plate. The support arm is slidably installed outside the vertical rod.

[0011] Further, an external connection plate is fixedly installed at the bottoms of the hollow plate and the vertical rod. Four fastening bolts penetrating to the bottom thereof are threadedly installed at the top of the external connection plate.

[0012] Further, the inner diameter of the top of the installation cylinder is larger than the inner diameter of its bottom. The rubber cylinder fits with the installation cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model Figure 1 ;

[0014] Figure 2 is a schematic diagram of the disassembled structure of the present utility model Figure 2 ;

[0015] Figure 3 is of the present utility model Figure 2 the enlarged structure schematic diagram at A in Figure 3 ;

[0016] Figure 4 is a schematic diagram of the structural connection between the temperature probe and the plugging cylinder of the present utility model Figure 4 ;

[0017] Figure 5 is of the present utility model Figure 4 the enlarged structure schematic diagram at B in Figure 5 ;

[0018] Figure 6 is a schematic diagram of the internal structure of the plugging cylinder of the present utility model Figure 6 .

[0019] In the drawings, the list of components represented by each reference numeral is as follows:

[0020] 1. Hollow plate; 2. Rectangular slider; 3. Support plate; 4. Motor; 5. Threaded rod; 6. Support arm; 7. Installation cylinder; 8. Rubber cylinder; 9. Temperature probe; 10. Gesture recognition sensor; 11. PLC controller; 12. Round groove; 13. Insertion cylinder; 14. Round head column; 15. Built-in spring; 16. Bottom spring; 17. Firing pin; 18. Pressure sensor; 19. Vertical bar; 20. External plate; 21. Tightening bolt. Specific implementation mode

[0021] The principles and features of the present utility model will be described below in conjunction with the accompanying drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0022] Embodiment 1, a temperature probe bracket for a magnetic stirrer, includes a hollow plate 1. A rectangular slider 2 that penetrates to its front is slidably installed inside the hollow plate 1. A support plate 3 is fixedly installed on the top of the hollow plate 1. A motor 4 is fixedly installed on the top of the support plate 3. A threaded rod 5 that penetrates into the hollow plate 1 and the rectangular slider 2 is fixedly installed at the bottom output end of the motor 4. The threaded rod 5 is rotatably installed inside the hollow plate 1. The threaded rod 5 is in threaded connection with the rectangular slider 2. A support arm 6 is fixedly installed in front of the rectangular slider 2. An installation cylinder 7 is fixedly installed in front of the support arm 6. A rubber cylinder 8 that penetrates to its bottom is slidably installed on the top of the installation cylinder 7. A temperature probe 9 is movably installed inside the rubber cylinder 8. A gesture recognition sensor 10 is fixedly installed in front of the installation cylinder 7. A PLC controller 11 that is electrically connected to the gesture recognition sensor 10 is fixedly installed on the top of the support arm 6. The PLC controller 11 is electrically connected to the motor 4.

[0023] During use, first insert the temperature probe 9 into the rubber cylinder 8 from top to bottom. Then insert the rubber cylinder 8 into the installation cylinder 7. As the rubber cylinder 8 descends, the temperature probe 9 can be squeezed and fixed. Then the motor 4 drives the threaded rod 5 to rotate forward and backward, which can force the rectangular slider 2 to drive the temperature probe 9 in front of the support arm 6 to rise and fall. When the temperature probe 9 descends into the solution in the bath pot at the top of the magnetic stirrer, the temperature of the solution can be measured. After the temperature measurement is completed, wave your palm in front of the gesture recognition sensor 10. The gesture recognition sensor 10 captures the movement trajectory, posture or position change of the palm and converts this information into an electrical signal and transmits it to the PLC controller 11. The PLC controller 11 receives the signal and after processing, it can send a control instruction to the motor 4, so that the device can control the rise and fall of the temperature probe 9 through gestures, thus significantly improving the convenience of the device during use.

[0024] Embodiment 2, this embodiment is a further improvement based on Embodiment 1, and the specific details are as follows:

[0025] On the outer wall of the temperature probe 9, two circular grooves 12 are provided near its bottom. An insertion cylinder 13 is sleeved outside the temperature probe 9 near its bottom. The outside of the insertion cylinder 13 is a circular cylinder-shaped hollow structure. Inside the insertion cylinder 13, a round head column 14 that penetrates into the two circular grooves 12 is slidably installed. Inside the insertion cylinder 13, an internal spring 15 sleeved outside the two round head columns 14 is fixedly installed.

[0026] When the two internal springs 15 expand, they can push the two round head columns 14 into the inside of the insertion cylinder 13. After the insertion cylinder 13 is sleeved outside the temperature probe 9, the two round head columns 14 will snap into the two circular grooves 12. At this time, the insertion cylinder 13 is restricted outside the temperature probe 9. When the insertion cylinder 13 is pulled downward, the two round head columns 14 will be forced to squeeze the two internal springs 15 outward, and then the insertion cylinder 13 can be removed.

[0027] Embodiment 3. This embodiment is a further improvement based on Embodiments 1-3, and the specific content is as follows:

[0028] At the bottom of the insertion cylinder 13, a bottom spring 16 is fixedly installed. At the bottom of the bottom spring 16, a striker 17 that penetrates into its inside is fixedly installed. Inside the insertion cylinder 13, a pressure sensor 18 is fixedly installed near its bottom. The pressure sensor 18 is electrically connected to the support arm 6.

[0029] When the temperature probe 9 descends, it will drive the insertion cylinder 13 and the bottom spring 16 to descend. When the bottom spring 16 descends and contacts the inner cavity bottom of the bath pot, it will push the striker 17 upward. When the striker 17 hits the bottom of the pressure sensor 18, the pressure sensor 18 will transmit a signal to the PLC controller 11. Subsequently, the PLC controller 11 will control the motor 4 to stop running, and at this time, the temperature probe 9 will no longer descend.

[0030] Embodiment 4. This embodiment is a further improvement based on Embodiment 1, and the specific content is as follows:

[0031] At the bottom of the support plate 3, a vertical bar 19 in front of the hollow plate 1 is fixedly installed. The support arm 6 is slidably installed outside the vertical bar 19.

[0032] By installing the vertical bar 19, the support arm 6 can be restricted to stably lift in front of the hollow plate 1.

[0033] Embodiment 5. This embodiment is a further improvement based on Embodiments 1-5, and the specific content is as follows:

[0034] At the bottom of the hollow plate 1 and the vertical bar 19, an external connection plate 20 is fixedly installed. At the top of the external connection plate 20, four fastening bolts 21 that penetrate to its bottom are threadedly installed.

[0035] The external plate 20 and the structure on its top can be fixed to the magnetic stirrer by four fastening bolts 21.

[0036] Embodiment 6 is a further improvement based on Embodiment 1, and the specific content is as follows:

[0037] The inner diameter of the top of the installation cylinder 7 is larger than that of its bottom, and the rubber cylinder 8 fits with the installation cylinder 7, which is convenient for the rubber cylinder 8 to be inserted into the interior of the installation cylinder 7.

[0038] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A temperature probe holder for a magnetic stirrer, comprising a hollow plate (1), characterized in that: A rectangular slider (2) is slidably mounted inside the hollow plate (1) and penetrates to the front thereof; a support plate (3) is fixedly mounted on the top of the hollow plate (1); a motor (4) is fixedly mounted on the top of the support plate (3); a threaded rod (5) is fixedly mounted at the bottom output end of the motor (4) and penetrates to the inside of the hollow plate (1) and the rectangular slider (2); the threaded rod (5) is rotatably mounted inside the hollow plate (1); the threaded rod (5) is threadedly connected to the rectangular slider (2); and a motor (4) is fixedly mounted in front of the rectangular slider (2). A support arm (6) is provided, a mounting tube (7) is fixedly installed in front of the support arm (6), a rubber tube (8) is slidably installed on the top of the mounting tube (7) and penetrates to the bottom thereof, a temperature probe (9) is movably installed inside the rubber tube (8), a gesture recognition sensor (10) is fixedly installed in front of the mounting tube (7), a PLC controller (11) electrically connected to the gesture recognition sensor (10) is fixedly installed on the top of the support arm (6), and the PLC controller (11) is electrically connected to the motor (4).

2. A temperature probe holder for a magnetic stirrer according to claim 1, characterized in that: The outer wall of the temperature probe (9) is provided with two circular grooves (12) located near the bottom thereof; the outside of the temperature probe (9) is covered with a plug-in tube (13) located near the bottom thereof; the outside of the plug-in tube (13) is a hollow ring-shaped cylindrical structure; the inside of the plug-in tube (13) is slidably mounted with a round head column (14) penetrating into the inside of the two circular grooves (12); the inside of the plug-in tube (13) is fixedly mounted with an internal spring (15) covered on the outside of the two round head columns (14).

3. A temperature probe holder for a magnetic stirrer according to claim 2, characterized in that: A bottom spring (16) is fixedly installed at the bottom of the plug-in tube (13), a striker (17) penetrating into the bottom of the bottom spring (16) is fixedly installed at the bottom, a pressure sensor (18) located near the bottom of the plug-in tube (13) is fixedly installed inside, and the pressure sensor (18) is electrically connected to the support arm (6).

4. The temperature probe holder for a magnetic stirrer according to claim 1, characterized in that: A vertical bar (19) located in front of the hollow plate (1) is fixedly mounted on the bottom of the support plate (3), and the support arm (6) is slidably mounted on the outside of the vertical bar (19).

5. A temperature probe holder for a magnetic stirrer according to claim 4, characterized in that: An external plate (20) is fixedly mounted on the bottom of the hollow plate (1) and the vertical bar (19), and four fastening bolts (21) are threadedly mounted on the top of the external plate (20) and penetrate through the bottom thereof.

6. The temperature probe holder for a magnetic stirrer according to claim 1, characterized in that: The inner diameter of the top of the installation tube (7) is greater than the inner diameter of the bottom thereof, and the rubber tube (8) fits with the installation tube (7).

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