Multifunctional motor teaching demonstration device

Abstract

The utility model aims to provide a multifunctional motor teaching demonstration device which comprises a substrate, a switching assembly, and a driver, a teaching motor, a 24V power supply, a 5V power supply and a hand-cranking pulser which are all arranged on the substrate, the driver is electrically connected with the teaching motor, the 24V power supply is electrically connected with the driver, the 5V power supply is electrically connected with the hand-cranking pulser, and the switching assembly is electrically connected with the hand-cranking pulser. The hand-cranking pulser is electrically connected with the driver, the switching assembly comprises a hand-cranking wheel, a switching clamping ring, a motor linkage piece and a pulse linkage piece, the motor linkage piece is arranged on the base plate and connected with an output shaft of the motor, the pulse linkage piece is arranged on the base plate and connected with an input shaft of the hand-cranking pulser, and the hand-cranking pulser is electrically connected with the switching clamping ring. The hand-cranking wheel is rotationally arranged on the base plate, an output shaft of the hand-cranking wheel is located between the pulse linkage piece and the motor linkage piece, the switching clamping ring is arranged on the motor linkage piece in a sliding mode, and the switching clamping ring is used for connecting the output shaft of the hand-cranking wheel and the motor linkage piece or connecting the output shaft of the hand-cranking wheel and the hand-cranking pulser.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching equipment, in particular to a multifunctional motor teaching demonstration device. Background Art

[0002] Stepper motors are widely used in the field of precise position control, such as tool position control of CNC machine tools, paper feeding of printers, posture control of robots, etc. As an important component of servo motors, they are examined in the electrical professional skills certification of secondary vocational schools, so the teaching of stepper motors is very important.

[0003] In the past, students mainly relied on information such as pictures and text to understand the working process of stepper motors, and the teaching effect was poor. It was difficult for beginners to understand its working principle. Therefore, a motor teaching device appeared. For example, the Chinese patent document with publication number CN214312310U discloses a stepper motor control system teaching device, which includes an operating platform, on which a switching power supply, a wire trough, a grounding copper bar, a stepper motor driver, a stepper motor fastener and a hand-cranked pulse generator base are respectively connected; the switching power supply and the grounding copper bar are arranged in the operating platform area surrounded by the wire trough; the stepper motor driver, the stepper motor fastener and the hand-cranked pulse generator base are arranged on the operating platform outside the area surrounded by the wire trough; the stepper motor fastener is connected to the stepper motor, and the output end of the stepper motor is connected to a coupling, which is convenient for connecting with the corresponding driving experimental object; the hand-cranked pulse generator base is connected to the hand-cranked pulse generator; the stepper motor driver and the hand-cranked pulse generator are respectively arranged on both sides of the stepper motor. In this way, manual pulses are input into the stepper motor driver through the hand-cranked pulse generator, thereby driving the stepper motor to rotate. This can intuitively demonstrate the working principle of the stepper motor and facilitate teaching.

[0004] However, the existing stepper motor control system teaching device has the following deficiencies in actual use: the existing teaching device can only enable students to learn the control principle of the stepper motor, but cannot learn to understand the working principle of the generator, while the electric motor and the engine are two specific structures with opposite directions of conversion between mechanical energy and electrical energy. The electric motor can be used to learn and understand the working principle of converting electrical energy into mechanical energy through a magnetic field, while the generator can be used to learn and understand the working principle of converting mechanical energy into electrical energy through a magnetic field. Therefore, in order to better teach and demonstrate electric motors and generators, a multifunctional motor teaching demonstration device of the present application is proposed. Utility Model Content

[0005] The utility model aims to overcome the deficiencies in the prior art and to provide a multifunctional motor teaching demonstration device which can teach and demonstrate the working principle of a motor or a generator according to needs.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] A multifunctional motor teaching demonstration device, comprising a substrate and a driver, a teaching motor, a 24V power supply, a 5V power supply and a hand-cranked pulser all arranged on the substrate, wherein the driver is electrically connected to the teaching motor, the 24V power supply is electrically connected to the driver, the 5V power supply is electrically connected to the hand-cranked pulser, and the hand-cranked pulser is electrically connected to the driver, and further comprising:

[0008] A switching component, the switching component includes a hand-cranked wheel, a switching clasp, a motor linkage and a pulse linkage, the motor linkage is arranged on the substrate, and the motor linkage is connected to the output shaft of the motor, the pulse linkage is arranged on the substrate, and the pulse linkage is connected to the input shaft of the hand-cranked pulser, the hand-cranked wheel is rotatably arranged on the substrate, and the output shaft of the hand-cranked wheel is located between the pulse linkage and the motor linkage, the switching clasp is slidably arranged on the motor linkage, the switching clasp is used to be respectively connected to the output shaft of the hand-cranked wheel and the motor linkage, so that the hand-cranked wheel drives the output shaft of the motor to rotate, and the switching clasp is used to be respectively connected to the output shaft of the hand-cranked wheel and the hand-cranked pulser, so that the hand-cranked wheel drives the input shaft of the hand-cranked pulser to rotate.

[0009] Optionally, the motor linkage includes a linkage shaft and two commutation heads, the two commutation heads are arranged at intervals on the substrate, the linkage shaft is connected to the two commutation heads respectively, one of the commutation heads is arranged adjacent to the output shaft of the hand-cranked wheel, and the other commutation head is connected to the output shaft of the teaching motor.

[0010] Optionally, the reversing head includes a reversing shell, two rotating shafts and two bevel gears, the reversing shell is arranged on the base plate, the two rotating shafts are respectively rotatably arranged in the reversing shell, and the axes of the two rotating shafts are perpendicular to each other, one of the rotating shafts is connected to the linkage shaft, and the other rotating shaft is used to connect to the output shaft of the hand wheel / the output shaft of the teaching motor, the two bevel gears are respectively sleeved on the two rotating shafts, and the two bevel gears are meshed with each other.

[0011] Optionally, the reversing head also includes a switching card block, which is arranged on the rotating shaft away from the linkage shaft, and a switching card slot is provided on the switching card block. The switching card ring is used to slide into the switching card slot so that the switching card ring is engaged with the switching card block.

[0012] Optionally, two switching snap rings are provided, the two switching snap rings are respectively sleeved on two reversing shells, and the two switching snap rings are respectively located below the two switching blocks.

[0013] Optionally, a power block is provided on the bottom end of the output shaft of the hand-cranked wheel, and a power slot is provided on the power block. When the switching clamp ring slides into the switching slot and the power slot, the switching clamp ring respectively clamps the power block and the switching block.

[0014] Optionally, the pulse linkage includes a reversing seat, a transfer seat and a belt, the reversing seat is rotatably set on the base plate, and the output shaft of the hand-cranked wheel passes through the reversing seat, and the bottom end of the reversing seat is located above the power block, the transfer seat is rotatably set on the base plate, and the transfer seat is connected to the input shaft of the hand-cranked pulser, and the belt is respectively sleeved on the reversing seat and the transfer seat.

[0015] Optionally, a reversing slot is provided on the outer side wall of the reversing seat, and when the switching clamp ring slides into the power clamp slot and the reversing slot, the switching clamp ring is respectively clamped to the power clamp block and the reversing seat.

[0016] Optionally, the switching clamp includes a ring body, a clamping column, a telescopic rod and a buffer spring, the ring body is sleeved on the reversing shell, the clamping column is arranged on one side of the ring body, the telescopic rod is slidably arranged in the clamping column, the buffer spring is respectively abutted against the telescopic rod and the clamping column, and the buffer spring is used to push the telescopic rod so that the telescopic rod protrudes from a side surface of the clamping column.

[0017] Optionally, a groove is provided on the inner side wall of the power slot, and when the clamping column slides into the power slot, one end of the telescopic rod is accommodated in the groove.

[0018] Compared with the prior art, the utility model has at least the following advantages:

[0019] The utility model discloses a multifunctional motor teaching demonstration device, comprising a substrate, a switching component, a driver, a teaching motor, a 24V power supply, a 5V power supply and a hand-cranked pulser, all of which are arranged on the substrate. The driver is electrically connected to the teaching motor, the 24V power supply is electrically connected to the driver, the 5V power supply is electrically connected to the hand-cranked pulser, and the hand-cranked pulser is electrically connected to the driver. The switching component comprises a hand-cranked wheel, a switching clamp, a motor linkage and a pulse linkage. The motor linkage is arranged on the substrate, and the motor linkage is connected to the output shaft of the motor. The pulse linkage is arranged on the substrate, and the pulse linkage is connected to the input shaft of the hand-cranked pulser. The hand-cranked wheel is rotatably arranged on the substrate, and the output shaft of the hand-cranked wheel is located between the pulse linkage and the motor linkage. The switching clamp is slidably arranged on the motor linkage. The switching clamp is used to be respectively connected to the output shaft of the hand-cranked wheel and the motor linkage so that the hand-cranked wheel drives the output shaft of the motor to rotate. The switching clamp is used to be respectively connected to the output shaft of the hand-cranked wheel and the hand-cranked pulser so that the hand-cranked wheel drives the input shaft of the hand-cranked pulser to rotate. In this way, according to the switching component, the teaching motor can be selected as a generator for teaching demonstration, or selected as a motor for teaching demonstration as needed, which has more functions than the existing teaching devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of a multifunctional motor teaching demonstration device according to one embodiment of the utility model;

[0022] Figure 2 for Figure 1 A cross-sectional structural diagram of a multifunctional motor teaching demonstration device shown;

[0023] Figure 3 It is a partial structural schematic diagram of a switching component according to an embodiment of the utility model;

[0024] Figure 4 It is a partial schematic diagram of a part of the structure of a switching assembly according to an embodiment of the present utility model;

[0025] Figure 5 for Figure 3 A partial cross-sectional structural schematic diagram of the switching assembly shown;

[0026] Figure 6 It is a structural schematic diagram of a switching clamp ring according to one embodiment of the utility model;

[0027] Figure 7 for Figure 6 The cross-sectional structure diagram of the switching clamp ring is shown.

[0028] Description of reference numerals:

[0029] 10. Multifunctional motor teaching demonstration device; 100. Base plate; 200. Switching assembly; 310. Driver; 320. Teaching motor; 330. 24V power supply; 340. 5V power supply; 350. Hand-cranked pulser; 210. Hand-cranked wheel; 220. Switching clamp; 230. Motor linkage; 240. Pulse linkage; 110. Support frame; 360. Ammeter; 120. Positioning plate; 231. Linkage shaft; 232. Commutation head; 2321 , reversing shell; 2322, rotating shaft; 2323, bevel gear; 2324, switching block; 23241, switching slot; 250, power block; 251, power slot; 241, reversing seat; 242, intermediate seat; 243, belt; 130, support plate; 140, support seat; 244, linear bearing; 2411, reversing slot; 221, ring body; 222, column; 223, telescopic rod; 224, buffer spring; 2511, groove. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings show preferred embodiments of the present invention.

[0031] like Figures 1 to 3As shown, a multifunctional motor teaching demonstration device 10 includes a substrate 100, a switching component 200, and a driver 310, a teaching motor 320, a 24V power supply 330, a 5V power supply 340 and a hand-cranked pulser 350 all arranged on the substrate 100, the driver 310 is electrically connected to the teaching motor 320, the 24V power supply 330 is electrically connected to the driver 310, the 5V power supply 340 is electrically connected to the hand-cranked pulser 350, and the hand-cranked pulser 350 is electrically connected to the driver 310, the switching component 200 includes a hand-cranked wheel 210, a switching clamp 220, a motor linkage 230 and a pulse linkage 240, the motor linkage 230 is arranged on the substrate 100, and the motor linkage 230 is electrically connected to the teaching motor 320. The output shaft is connected, the pulse linkage 240 is arranged on the substrate 100, and the pulse linkage 240 is connected to the input shaft of the hand-cranked pulser 350, the hand-cranked wheel 210 is rotatably arranged on the substrate 100, and the output shaft of the hand-cranked wheel 210 is located between the pulse linkage 240 and the motor linkage 230, the switching snap ring 220 is slidably arranged on the motor linkage 230, and the switching snap ring 220 is used to be connected to the output shaft of the hand-cranked wheel 210 and the motor linkage 230 respectively, so that the hand-cranked wheel 210 drives the output shaft of the teaching motor 320 to rotate, and the switching snap ring 220 is used to be connected to the output shaft of the hand-cranked wheel 210 and the hand-cranked pulser 350 respectively, so that the hand-cranked wheel 210 drives the input shaft of the hand-cranked pulser 350 to rotate.

[0032] It should be noted that, in one embodiment, the teaching motor 320 is a stepper motor. Further, the hand wheel 210 is rotatably mounted on the substrate 100, for example, a support frame 110 is mounted on the substrate 100, for example, the support frame 110 is in a "female" shape, and the hand wheel 210 is fixedly mounted on the support frame 110 through a bearing. One end of the motor linkage 230 is used to connect with the output shaft of the teaching motor 320, and the other end of the motor linkage 230 is used to extend into the support frame 110 and is located below the hand wheel 210. One end of the pulse linkage 240 is used to connect with the output shaft of the hand pulser 350, and the other end of the pulse linkage 240 also extends into the support frame 110 and is arranged adjacent to the output shaft of the hand wheel 210. The switching clasp 220 is sleeved on the motor linkage 230, and the switching clasp 220 can slide relative to the input end of the motor linkage 230, the output shaft of the hand wheel 210, and the input end of the pulse linkage 240. In this way, when the switching clamp ring 220 slides to engage with the input end of the motor linkage 230 and the output shaft of the hand-cranked wheel 210 respectively, the hand-cranked wheel 210 is directly connected to the output shaft of the teaching motor 320 through the motor linkage 230. At this time, the teaching motor 320 can be used as a generator. In this way, the output shaft of the teaching motor 320 can be driven to rotate by the hand-cranked wheel 210, so that the terminal of the teaching motor 320 can generate current. In one embodiment, an ammeter 360 is provided on the substrate 100. When the teaching motor 320 is used as a generator, the terminal of the teaching motor 320 is electrically connected to the ammeter 360, so that the pointer change can be observed intuitively. When the switching clamp ring 220 slides to connect with the output shaft of the hand-cranked wheel 210 and the input end of the pulse linkage 240 respectively, the hand-cranked wheel 210 is connected to the input shaft of the hand-cranked pulser 350 through the pulse linkage 240, and the teaching motor 320 is used as a motor. At this time, the 24V power supply 330 supplies power to the driver 310, and the 5V power supply 340 supplies power to the hand-cranked pulser 350, and the hand-cranked pulser 350 is also electrically connected to the driver 310. In this way, the hand-cranked wheel 210 can drive the hand-cranked pulser 350 to rotate, so that the hand-cranked pulser 350 can send a pulse signal to the driver 310, so that the driver 310 drives the teaching motor 320 to rotate. In this way, according to the switching component 200, the teaching motor 320 can be selected as a generator for teaching demonstration, or selected as a motor for teaching demonstration, which has more functions than the existing teaching device.

[0033] like Figure 2As shown, in one embodiment, a positioning plate 120 is provided in the support frame 110, and the output shaft of the hand-cranked wheel 210 is passed through the positioning plate 120. It should be noted that, since the output shaft of the hand-cranked wheel 210 has a certain length, in order to improve the stability of the rotation of the output shaft of the hand-cranked wheel 210, a bearing is installed on the positioning plate 120, so that the output shaft of the hand-cranked wheel 210 passes through the bearing of the positioning plate 120.

[0034] like Figure 1 and Figure 2 As shown, in one embodiment, the motor linkage 230 includes a linkage shaft 231 and two commutation heads 232. The two commutation heads 232 are arranged at intervals on the substrate 100. The linkage shaft 231 is connected to the two commutation heads 232 respectively. One of the commutation heads 232 is arranged adjacent to the output shaft of the hand-cranked wheel 210, and the other commutation head 232 is connected to the output shaft of the teaching motor 320.

[0035] Specifically, one of the two reversing heads 232 is located below the teaching motor 320, and the other is located below the hand-cranked wheel 210. The linkage shaft 231 is respectively connected to the two reversing heads 232. In this way, when the switching clamp 220 slides to connect with one of the reversing heads 232 and the output shaft of the hand-cranked wheel 210, the hand-cranked wheel 210 can be switched to directly drive the output shaft of the teaching motor 320 to rotate.

[0036] like Figure 2 and Figure 3 As shown, in one embodiment, the reversing head 232 includes a reversing shell 2321, two rotating shafts 2322 and two bevel gears 2323. The reversing shell 2321 is arranged on the substrate 100, and the two rotating shafts 2322 are respectively rotatably arranged in the reversing shell 2321, and the axes of the two rotating shafts 2322 are perpendicular to each other. One of the rotating shafts 2322 is connected to the linkage shaft 231, and the other rotating shaft 2322 is used to connect with the output shaft of the hand wheel 210 / the output shaft of the teaching motor 320. The two bevel gears 2323 are respectively sleeved on the two rotating shafts 2322, and the two bevel gears 2323 are meshed with each other.

[0037] It should be noted that, because there is a certain spacing between the teaching motor 320 and the hand wheel 210, and the two are non-coaxial arrangements, in order to enable the hand wheel 210 to smoothly drive the output shaft of the teaching motor 320 to rotate, a commutation head 232 is provided to commutate. Specifically, two rotating shafts 2322 are installed in the commutation shell 2321 by bearings, and the axes of the two rotating shafts 2322 are perpendicular to each other. Two bevel gears 2323 are respectively installed on the two rotating shafts 2322, and the two bevel gears 2323 are meshed with each other. One of the rotating shafts 2322 is fixedly connected with the linkage shaft 231, and the other rotating shaft 2322 is installed adjacent to the output shaft of the hand wheel 210 or the output shaft of the teaching motor 320.

[0038] Furthermore, if Figures 2 to 5 As shown, in one embodiment, the reversing head 232 also includes a switching block 2324, which is arranged on a rotating shaft 2322 away from the linkage shaft 231, and a switching slot 23241 is provided on the switching block 2324. The switching clamp ring 220 is used to slide into the switching slot 23241 so that the switching clamp ring 220 is engaged with the switching block 2324.

[0039] Specifically, the switching block 2324 is arranged adjacent to the output shaft of the hand-cranked wheel 210, and a switching slot 23241 is provided on the switching block 2324, so that the switching ring 220 can slide into the switching slot 23241 in an adaptive manner, thereby making the switching ring 220 and the switching block 2324 clamped and fixed together. At this time, the switching ring 220 and the switching block 2324 can rotate together.

[0040] like Figures 2 to 5 As shown, in one embodiment, a power block 250 is provided on the bottom end of the output shaft of the hand-cranked wheel 210, and a power slot 251 is opened on the power block 250. When the switching clamp ring 220 slides into the switching slot 23241 and the power slot 251, the switching clamp ring 220 respectively clamps the power block 250 and the switching block 2324.

[0041] It should be noted that the output shaft of the hand-cranked wheel 210 and the switching block 2324 are mutually separated structures. In order to make the output shaft of the hand-cranked wheel 210 be smoothly connected to the switching block 2324 through the switching snap ring 220, a power snap block 250 is fixedly arranged on one end of the hand-cranked wheel 210 near the switching block 2324. For example, the power snap block 250 and the output shaft of the hand-cranked wheel 210 are an integrally formed structure, or are locked and fixed with screws. A power card slot 251 is provided on the power card block 250, so that the switching snap ring 220 can slide into the power card slot 251 adaptively. In this way, when the switching snap ring 220 slides into the power card slot 251 and the switching card slot 23241 respectively, the switching snap ring 220 can fix the hand-cranked wheel 210 with the reversing head 232.

[0042] In one embodiment, there are two switch slots 23241, and the two switch slots 23241 are located on opposite sides of the switch block 2324. Further, in one embodiment, there are two power slots 251, and the two power slots 251 are located on opposite sides of the power block 250. Further, in one embodiment, the power block 250 and the switch block 2324 are both cylindrical structures, and the diameter of the power block 250 is consistent with the diameter of the switch block 2324.

[0043] Further, in one embodiment, two switching snap rings 220 are provided, and the two switching snap rings 220 are respectively sleeved on the two reversing shells 2321, and the two switching snap rings 220 are respectively located below the two switching blocks 2324. Further, in one embodiment, a clamping block is also provided on the output shaft of the teaching motor 320, wherein the structure of the clamping block is equivalent to the structure of the power block 250, so that the two switching snap rings 220 are used to clamp the two ends of the motor linkage 230 on the output shaft of the hand-cranked wheel 210 and the output shaft of the teaching motor 320, respectively. When the teaching motor 320 is used as an electric motor, the output shaft of the teaching motor 320 can be disconnected from the motor linkage 230 to prevent the output shaft of the teaching motor 320 from being connected to an excessive load.

[0044] like Figure 1 and Figure 2 As shown, in one embodiment, the pulse linkage 240 includes a reversing seat 241, a transfer seat 242 and a belt 243. The reversing seat 241 is rotatably set on the substrate 100, and the output shaft of the hand-cranked wheel 210 passes through the reversing seat 241, and the bottom end of the reversing seat 241 is located above the power block 250. The transfer seat 242 is rotatably set on the substrate 100, and the transfer seat 242 is connected to the input shaft of the hand-cranked pulser 350, and the belt 243 is respectively sleeved on the reversing seat 241 and the transfer seat 242.

[0045] Specifically, in one embodiment, a support plate 130 is also provided in the support frame 110, wherein the support plate 130 is located below the positioning plate 120, and the output shaft of the hand-cranked wheel 210 also passes through the support plate 130. In this way, the reversing seat 241 is rotatably mounted on the support plate 130 through a bearing, so that the reversing seat 241 can rotate relative to the substrate 100. Further, the output shaft of the hand-cranked wheel 210 passes through the axis of the reversing seat 241, wherein the output shaft of the hand-cranked wheel 210 and the reversing seat 241 are non-contact structures, so that the bottom end of the reversing seat 241 is located above the power block 250. In one embodiment, the diameter of the bottom end of the reversing seat 241 is consistent with the diameter of the power block 250. In this way, the switching clamp ring 220 can slide to clamp and fix the power block 250 and the reversing seat 241 respectively, so that when the hand-cranked wheel 210 rotates, the reversing seat 241 can be driven to rotate. Further, the transfer seat 242 is rotatably mounted on the base plate 100. For example, a support seat 140 is also mounted on the base plate 100, and the support seat 140 is installed adjacent to the support frame 110, so that the transfer seat 242 is mounted on the support seat 140 through a bearing. The belt 243 is respectively mounted on the transfer seat 242 and the reversing seat 241, so that the reversing seat 241 can drive the transfer seat 242 to rotate synchronously. Further, the hand-cranked pulser 350 is installed below the transfer seat 242, and the input shaft of the hand-cranked pulser 350 is fixedly connected to the transfer seat 242, so that the hand-cranked wheel 210 can drive the hand-cranked pulser 350 to rotate.

[0046] Furthermore, if Figure 2 As shown, in one embodiment, the pulse linkage 240 further includes a linear bearing 244, which is disposed in the reversing seat 241, and the output shaft of the hand-cranked wheel 210 is passed through the linear bearing 244. In this way, the stability of the output shaft of the hand-cranked wheel 210 can be further improved.

[0047] like Figures 2 to 5 As shown, in one embodiment, a reversing slot 2411 is opened on the outer wall of the reversing seat 241. When the switching clamp ring 220 slides into the power clamp slot 251 and the reversing slot 2411, the switching clamp ring 220 clamps the power clamp block 250 and the reversing seat 241 respectively.

[0048] Specifically, the size of the reversing slot 2411 is consistent with that of the power slot 251. When the switching ring 220 slides into the reversing slot 2411 and the power slot 251, the power block 250 is clamped and fixed to the reversing seat 241, so that the hand wheel 210 drives the reversing seat 241 to rotate together.

[0049] like Figure 3 , Figure 6 and Figure 7As shown, in one embodiment, the switching clamping ring 220 includes a ring body 221, a clamping column 222, a telescopic rod 223 and a buffer spring 224. The ring body 221 is sleeved on the reversing shell 2321, the clamping column 222 is arranged on one side of the ring body 221, the telescopic rod 223 is slidably arranged in the clamping column 222, and the buffer spring 224 is respectively in contact with the telescopic rod 223 and the clamping column 222. The buffer spring 224 is used to push the telescopic rod 223 so that the telescopic rod 223 protrudes from a side surface of the clamping column 222.

[0050] Specifically, in order to allow the switching clamp ring 220 to be stably retained in the power clamping slot 251 / the switching clamping slot 23241 / the reversing clamping slot 2411, the switching clamp ring 220 is set to the above structure. Among them, the ring body 221 is a circular ring structure. The clamping column 222 is fixed on one side of the ring body 221, and the telescopic rod 223 is slidably installed in the clamping column 222. The buffer spring 224 pushes one end of the telescopic rod 223 so that the other end of the telescopic rod 223 can protrude from a side surface of the clamping column 222. In this way, one end of the telescopic rod 223 clamps the inner side wall of the power clamping slot 251 / the inner side wall of the switching clamping slot 23241 / the inner side wall of the reversing clamping slot 2411.

[0051] like Figures 3 to 5 As shown, in one embodiment, a groove 2511 is provided on the inner side wall of the power slot 251, and when the clamping column 222 slides into the power slot 251, one end of the telescopic rod 223 is accommodated in the groove 2511. In this way, the switching clamp ring 220 can be stably clamped in the power slot 251 / switching slot 23241 / reversing slot 2411. When the switching clamp ring 220 needs to be withdrawn from the power slot 251 / switching slot 23241 / reversing slot 2411, it is only necessary to apply an axial thrust to the switching clamp ring 220 so that the telescopic rod 223 is retracted into the clamping column 222.

[0052] Furthermore, in one embodiment, two clamping columns 222 are provided, and the two clamping columns 222 are located on opposite sides of the ring body 221. Further, in one embodiment, the inner side wall of the switching slot 23241 and the inner side wall of the reversing slot 2411 are both provided with a structure equivalent to the groove 2511. In one embodiment, the clamping column 222 has two side surfaces, and two telescopic rods 223 are provided on either side surface thereof, so that when the switching clamping ring 220 slides into the power slot 251 and the switching slot 23241, the two telescopic rods 223 can fall into the groove 2511 of the power slot 251 and the slot of the switching slot 23241 respectively. In this way, the firmness of the switching clamping ring 220 and the power block 250 / the switching block 2324 / the reversing seat 241 is ensured.

[0053] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A multifunctional motor teaching demonstration device, comprising a substrate and a driver, a teaching motor, a 24V power supply, a 5V power supply and a hand-cranked pulser all arranged on the substrate, wherein the driver is electrically connected to the teaching motor, the 24V power supply is electrically connected to the driver, the 5V power supply is electrically connected to the hand-cranked pulser, and the hand-cranked pulser is electrically connected to the driver, characterized in that: Also includes: A switching component, the switching component includes a hand-cranked wheel, a switching clasp, a motor linkage and a pulse linkage, the motor linkage is arranged on the substrate, and the motor linkage is connected to the output shaft of the motor, the pulse linkage is arranged on the substrate, and the pulse linkage is connected to the input shaft of the hand-cranked pulser, the hand-cranked wheel is rotatably arranged on the substrate, and the output shaft of the hand-cranked wheel is located between the pulse linkage and the motor linkage, the switching clasp is slidably arranged on the motor linkage, the switching clasp is used to be respectively connected to the output shaft of the hand-cranked wheel and the motor linkage, so that the hand-cranked wheel drives the output shaft of the motor to rotate, and the switching clasp is used to be respectively connected to the output shaft of the hand-cranked wheel and the hand-cranked pulser, so that the hand-cranked wheel drives the input shaft of the hand-cranked pulser to rotate.

2. The multifunctional motor teaching demonstration device according to claim 1, characterized in that: The motor linkage comprises a linkage shaft and two commutation heads, the two commutation heads are arranged at intervals on the substrate, the linkage shaft is connected to the two commutation heads respectively, one of the commutation heads is arranged adjacent to the output shaft of the hand-cranked wheel, and the other commutation head is connected to the output shaft of the teaching motor.

3. The multifunctional motor teaching demonstration device according to claim 2 is characterized in that: The reversing head includes a reversing shell, two rotating shafts and two bevel gears. The reversing shell is arranged on the base plate. The two rotating shafts are respectively rotatably arranged in the reversing shell, and the axes of the two rotating shafts are perpendicular to each other. One of the rotating shafts is connected to the linkage shaft, and the other rotating shaft is used to be connected to the output shaft of the hand-cranked wheel / the output shaft of the teaching motor. The two bevel gears are respectively sleeved on the two rotating shafts, and the two bevel gears are meshed with each other.

4. The multifunctional motor teaching demonstration device according to claim 3 is characterized in that: The reversing head also includes a switching card block, which is arranged on the rotating shaft away from the linkage shaft. A switching card slot is provided on the switching card block, and the switching clamp ring is used to slide into the switching card slot so that the switching clamp ring is clamped with the switching card block.

5. The multifunctional motor teaching demonstration device according to claim 4 is characterized in that: The two switching snap rings are provided with two, the two switching snap rings are respectively sleeved on the two reversing shells, and the two switching snap rings are respectively located below the two switching blocks.

6. The multifunctional motor teaching demonstration device according to claim 5, characterized in that: A power block is arranged on the bottom end of the output shaft of the hand-cranked wheel, and a power slot is provided on the power block. When the switching clamp ring slides into the switching slot and the power slot, the switching clamp ring clamps the power block and the switching block respectively.

7. The multifunctional motor teaching demonstration device according to claim 6, characterized in that: The pulse linkage includes a reversing seat, a transfer seat and a belt. The reversing seat is rotatably set on the base plate, and the output shaft of the hand-cranked wheel passes through the reversing seat, and the bottom end of the reversing seat is located above the power block. The transfer seat is rotatably set on the base plate, and the transfer seat is connected to the input shaft of the hand-cranked pulser, and the belt is respectively sleeved on the reversing seat and the transfer seat.

8. The multifunctional motor teaching demonstration device according to claim 7, characterized in that: A reversing slot is provided on the outer side wall of the reversing seat. When the switching clamp ring slides into the power clamp slot and the reversing slot, the switching clamp ring is respectively clamped with the power clamp block and the reversing seat.

9. The multifunctional motor teaching demonstration device according to claim 8, characterized in that: The switching clamping ring includes a ring body, a clamping column, a telescopic rod and a buffer spring. The ring body is sleeved on the reversing shell, the clamping column is arranged on one side of the ring body, the telescopic rod is slidably arranged in the clamping column, and the buffer spring is respectively in contact with the telescopic rod and the clamping column. The buffer spring is used to push the telescopic rod so that the telescopic rod protrudes from a side surface of the clamping column.

10. The multifunctional motor teaching demonstration device according to claim 9, characterized in that: A groove is provided on the inner side wall of the power slot, and when the clamping column slides into the power slot, one end of the telescopic rod is accommodated in the groove.

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