CN215577189U

CN215577189U - Teaching demonstration device

Info

Publication number: CN215577189U
Application number: CN202121890590.1U
Authority: CN
Inventors: 于明思
Original assignee: Anhui Beisite Information Engineering Co ltd
Current assignee: Anhui Beisite Information Engineering Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-18
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a teaching demonstration device, which comprises a telescopic column, wherein the top of the telescopic column is fixedly connected with a supporting plate, the top of the supporting plate is provided with a rotating groove, the inside of the rotating groove is rotatably connected with a rotating rod, the top of the rotating rod is fixedly connected with a fixing mechanism, the bottom of the fixing mechanism is fixedly connected with a first magnet ring, the top of the supporting plate is fixedly connected with a first spring, the top of the first spring is fixedly connected with a second magnet ring, the second magnet ring is magnetically connected with the first magnet ring, and the top of the fixing mechanism is provided with a demonstration mechanism, so that the teaching demonstration device has the advantages that: place demonstration mechanism in fixed establishment's inside fixed, when beginning the teaching, adjust the height of this device through flexible post, can stimulate second magnet ring and first magnet ring according to different scenes and break away from, rotate fixed establishment alright in order to rotate demonstration mechanism this moment, rotate to suitable position after, make things convenient for student on every side also can view the content on the demonstration mechanism.

Description

Teaching demonstration device

Technical Field

The utility model relates to the field of demonstration devices, in particular to a teaching demonstration device.

Background

Electronic information engineering is a subject of electronic information control and information processing by applying modern technologies such as computers, and mainly studies on acquisition and processing of information, design, development, application and integration of electronic equipment and information systems. Electronic information engineering has covered many aspects of society. The electronic information engineering specialty is a specialty integrating modern electronic technology, information technology and communication technology. The profession develops and masters the modern electronic technical theory, is familiar with the design principle and the design method of an electronic system, has stronger computer, foreign language and corresponding engineering technical application capability, and is a high-grade engineering technical talent with innovation capability for the comprehensive development of wide caliber, high quality and intelligence in the fields of electronics, information and communication, such as electronic technology, automatic control, intelligent control, computer and network technology and the like. The electronic information engineering industry is mainly studying basic circuit knowledge and mastering the way of processing information with computers and the like.

Present most presentation device can not dismantle the screen to can't overhaul, and lead to the practicality low, and because teaching place is changeable always, the student on every side can not be better see the presentation device, the flexibility is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a teaching demonstration device.

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

a teaching demonstration device comprises a telescopic column, wherein the top of the telescopic column is fixedly connected with a supporting plate, the top of the supporting plate is provided with a rotating groove, the inside of the rotating groove is rotatably connected with a rotating rod, the top of the rotating rod is fixedly connected with a fixing mechanism, the bottom of the fixing mechanism is fixedly connected with a first magnet ring, the top of the supporting plate is fixedly connected with a first spring, the top of the first spring is fixedly connected with a second magnet ring, the second magnet ring is magnetically connected with the first magnet ring, the top of the fixing mechanism is provided with a demonstration mechanism, the demonstration mechanism comprises a frame, the rear end of the inside of the frame is fixedly connected with a first demonstration plate, the left inner wall and the right inner wall of the frame are both provided with clamping grooves, the insides of the two groups of clamping grooves are both rotatably connected with first lead screws, and the outer surfaces of the two groups of first lead screws are both in threaded connection with first sliders, two sets of fixedly connected with second demonstration board between the first slider, the second demonstration board is located the front end of first demonstration board, the first motor of top fixedly connected with of frame, the inside and the first lead screw fixed connection of draw-in groove are stretched into to the output of first motor.

Preferably, the fixing mechanism comprises a base, an empty groove is formed in the top of the base, a first sliding groove is formed in the bottom side of the inside of the empty groove, a double-shaft motor is fixedly connected to the middle side of the inside of the first sliding groove, second lead screws are fixedly connected to the two ends of the double-shaft motor, the lines of the outer surfaces of the second lead screws are opposite, a second sliding block is connected to the outer surfaces of the second lead screws in a threaded mode, a connecting rod is fixedly connected to the top of the second sliding block, and a fixing plate fixedly connected with the first sliding groove is extended out of the top of the connecting rod.

Preferably, the front and the back of the fixing plate are both provided with a second spring, and the other end of the second spring is fixedly connected with an L plate.

Preferably, the bottom of the support is fixedly connected with a bottom plate, and four corners of the bottom plate are fixedly connected with universal wheels.

Preferably, the bottom of the second magnet ring is fixedly connected with a connecting rod, and the bottom of the connecting rod penetrates through the supporting plate and is fixedly connected with a pedal.

The utility model has the beneficial effects that: the utility model provides a teaching demonstration device, which is characterized in that a demonstration mechanism is placed in a hollow groove, an L plate is pulled by a second spring to limit the demonstration mechanism forwards and backwards, a double-shaft motor in a first sliding groove is started to rotate a second screw rod, two groups of second sliding blocks drive two groups of fixing plates to mutually approach to clamp and fix the demonstration mechanism, disassembly and maintenance of the demonstration mechanism are facilitated, when teaching is started, a pedal plate can be stepped by feet according to different scenes to separate a second magnet ring from a first magnet ring, the demonstration mechanism can be rotated by rotating a fixing mechanism, after the demonstration mechanism is rotated to a proper position, the first spring of the pedal plate is released to push the second magnet ring to be connected with the first magnet ring, so that the fixing mechanism is fixed, surrounding students can conveniently view the content on the demonstration mechanism, and when a user needs to write data on the first demonstration plate, at first write in the top of first demonstration board, write the back full, start first motor and rotate first lead screw and make first slider shift up, thereby it shifts up to drive the second demonstration board, the user alright write in the below to first demonstration board, can also write on the second demonstration board, thereby can present data effectively, the user utilizes the removal of second demonstration board simultaneously, be convenient for let the more audio-visual contrast condition of watching data of student, thereby the practicality of this device has been improved.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view of a fixing portion of the present invention;

fig. 3 is a schematic view of the structure of the demonstration section of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

As shown in fig. 1-3, the teaching demonstration device provided by the utility model comprises a telescopic column 1, a support plate 4 is fixedly connected to the top of the telescopic column 1, a rotating groove 5 is formed in the top of the support plate 4, a rotating rod 6 is rotatably connected to the inside of the rotating groove 5, a fixing mechanism 2 is fixedly connected to the top of the rotating rod 6, a first magnet ring 7 is fixedly connected to the bottom of the fixing mechanism 2, a first spring 8 is fixedly connected to the top of the support plate 4, a second magnet ring 9 is fixedly connected to the top of the first spring 8, the second magnet ring 9 is magnetically connected to the first magnet ring 7, a demonstration mechanism 3 is arranged on the top of the fixing mechanism 2, the demonstration mechanism 3 comprises a frame 301, a first demonstration plate 302 is fixedly connected to the rear end of the inside of the frame 301, clamping grooves 303 are formed in the left inner wall and the right inner wall of the frame 301, first lead screws 304 are rotatably connected to the inside of the two groups of clamping grooves 303, first slide blocks 305 are threadedly connected to the outer surfaces of the two groups of first lead screws 304, a second demonstration board 306 is fixedly connected between the two groups of first sliding blocks 305, the second demonstration board 306 is positioned at the front end of the first demonstration board 302, the top of the frame 301 is fixedly connected with a first motor 307, and the output end of the first motor 307 extends into the clamping groove 303 and is fixedly connected with a first screw rod 304; the demonstration mechanism 3 is placed and fixed in the fixing mechanism 2, when teaching is started, the height of the device is adjusted through the telescopic column 1, the second magnet ring 9 can be pulled to be separated from the first magnet ring 7 according to different scenes, the demonstration mechanism 3 can be rotated by rotating the fixing mechanism 2 at the moment, after the second magnet ring 9 is not pulled any more after the second magnet ring 9 is rotated to a proper position, the second magnet ring 9 is pushed by the first spring 8 to be connected with the first magnet ring 7, so that the fixing mechanism 2 is fixed, surrounding students can conveniently view the content on the demonstration mechanism 3, when a user needs to write data on the first demonstration plate 302, firstly, the user writes on the first demonstration plate 302, after the user is fully written, the first motor 307 is started to rotate the first lead screw 304 to move the first slide block 305 upwards, so as to drive the second demonstration plate 306 to move upwards, and the user can write on the lower part of the first demonstration plate 302, can also write on second demonstration board 306 to can present data effectively, the user utilizes the removal of second demonstration board 306 simultaneously, and the contrast condition of data is watched to be convenient for let the student more directly perceived, thereby has improved the practicality of this device.

The fixing mechanism 2 comprises a base 201, an empty groove 202 is formed in the top of the base 201, a first sliding groove 203 is formed in the bottom side of the inside of the empty groove 202, a double-shaft motor 204 is fixedly connected to the middle side of the inside of the first sliding groove 203, second lead screws 205 are fixedly connected to two ends of the double-shaft motor 204, the outer surface lines of the two groups of second lead screws 205 are opposite, second sliding blocks 206 are connected to the outer surfaces of the two groups of second lead screws 205 in a threaded mode, a connecting rod 207 is fixedly connected to the top of each second sliding block 206, and a fixing plate 208 is fixedly connected to the top of each connecting rod 207, extends out of the first sliding groove 203; place demonstration mechanism 3 in the inside of dead slot 202, start the biax motor 204 in the first spout 203 and rotate second lead screw 205, make two sets of second sliders 206 drive two sets of fixed plates 208 and be close to each other and carry out the centre gripping fixed to demonstration mechanism 3 can, dismantle and meet the same reason, convenient to use is to demonstration mechanism 3's loading and unloading and maintenance.

The front and the back of the fixing plate 208 are both provided with a second spring 209, and the other end of the second spring 209 is fixedly connected with an L-shaped plate 210; the demonstration mechanism 3 is placed in the empty groove 202, the L plate 210 is pulled through the second spring 209 to limit the demonstration mechanism 3 in the front and back directions, and the fixing effect can be further improved.

The bottom of the support is fixedly connected with a bottom plate 10, and four corners of the bottom plate 10 are fixedly connected with universal wheels 11; the base plate 10 is arranged to enable the device to be more stable, and the universal wheels 11 are arranged to facilitate the movement of the device.

The bottom of the second magnet ring 9 is fixedly connected with a connecting rod 12, and the bottom of the connecting rod 12 penetrates through the support plate 4 and is fixedly connected with a pedal 13; the user can step on the pedal 13 by foot to pull the second magnet ring 9 by the connecting rod 12, thereby saving time and labor.

The demonstration mechanism 3 is placed in the empty groove 202, the L plate 210 is pulled through the second spring 209 to limit the demonstration mechanism 3 front and back, the double-shaft motor 204 in the first sliding groove 203 is started to rotate the second screw rod 205, the two groups of second sliding blocks 206 drive the two groups of fixing plates 208 to approach each other to clamp and fix the demonstration mechanism 3, the disassembly is carried out in the same way, the demonstration mechanism 3 is convenient to use, assemble and overhaul, when teaching is started, the pedal plate 13 can be stepped by feet according to different scenes to separate the second magnet ring 9 from the first magnet ring 7, the demonstration mechanism 3 can be rotated by rotating the fixing mechanism 2, after the pedal plate 13 is rotated to a proper position, the first spring 8 of the pedal plate 13 is loosened to push the second magnet ring 9 to be connected with the first magnet ring 7, so that the fixing mechanism 2 is fixed, and surrounding students can conveniently watch the content on the demonstration mechanism 3, when the user need write data at first demonstration board 302, write in the top of first demonstration board 302 at first, after full, start first motor 307 and rotate first lead screw 304 and make first slider 305 move up, thereby drive second demonstration board 306 and shift up, the user alright write in the below to first demonstration board 302, can also write on second demonstration board 306, thereby can present data effectively, the user utilizes the removal of second demonstration board 306 simultaneously, be convenient for let the more audio-visual contrast condition who watches data of student, thereby the practicality of this device has been improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a teaching presentation device, includes flexible post (1), its characterized in that: the top of the telescopic column (1) is fixedly connected with a supporting plate (4), the top of the supporting plate (4) is provided with a rotating groove (5), the rotating groove (5) is rotatably connected with a rotating rod (6), the top of the rotating rod (6) is fixedly connected with a fixing mechanism (2), the bottom of the fixing mechanism (2) is fixedly connected with a first magnet ring (7), the top of the supporting plate (4) is fixedly connected with a first spring (8), the top of the first spring (8) is fixedly connected with a second magnet ring (9), the second magnet ring (9) is magnetically connected with the first magnet ring (7), the top of the fixing mechanism (2) is provided with a demonstration mechanism (3), the demonstration mechanism (3) comprises a frame (301), the inner rear end of the frame (301) is fixedly connected with a first demonstration plate (302), the left inner wall and the right inner wall of the frame (301) are both provided with a clamping groove (303), two sets of the inside of draw-in groove (303) is all rotated and is connected with first lead screw (304), and is two sets of the equal threaded connection in surface of first lead screw (304) has first slider (305), and is two sets of fixedly connected with second demonstration board (306) between first slider (305), second demonstration board (306) are located the front end of first demonstration board (302), the first motor (307) of top fixedly connected with of frame (301), the inside and first lead screw (304) fixed connection of draw-in groove (303) are stretched into to the output of first motor (307).

2. An instructional presentation device according to claim 1, wherein: fixed establishment (2) include base (201), dead slot (202) have been seted up at the top of base (201), first spout (203) have been seted up to the inside bottom side of dead slot (202), inboard fixedly connected with biax motor (204) in the inside of first spout (203), equal fixedly connected with second lead screw (205) in both ends of biax motor (204), two sets of the surface line of second lead screw (205) is opposite, two sets of the equal threaded connection of surface of second lead screw (205) has second slider (206), the top fixedly connected with connecting rod (207) of second slider (206), first spout (203) fixedly connected with fixed plate (208) are stretched out at the top of connecting rod (207).

3. An instructional presentation device according to claim 2, wherein: second spring (209) have all been seted up to the front and the back of fixed plate (208), the other end fixedly connected with L board (210) of second spring (209).

4. An instructional presentation device according to claim 1, wherein: the bottom fixedly connected with bottom plate (10) of support, equal fixedly connected with universal wheel (11) in four corners of bottom plate (10) bottom.

5. An instructional presentation device according to claim 1, wherein; the bottom of the second magnet ring (9) is fixedly connected with a connecting rod (12), and the bottom of the connecting rod (12) penetrates through the supporting plate (4) and is fixedly connected with a pedal (13).