CN215298510U

CN215298510U - Combined demonstration device

Info

Publication number: CN215298510U
Application number: CN202121641239.9U
Authority: CN
Inventors: 魏洪泉; 吕芸; 张旭; 李志成
Original assignee: Beijing Luode Times Cultural Industry Development Co ltd
Current assignee: Beijing Luode Times Cultural Industry Development Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-24
Anticipated expiration: 2031-07-19

Abstract

The utility model relates to the technical field of demonstration devices, and discloses a combined demonstration device, which comprises a combined demonstration device and a moving device, wherein the lower side of the combined demonstration device is connected with the upper side of the moving device, the combined demonstration device comprises a demonstration table, the rear side of the upper end of the demonstration table is connected with a demonstration board, the front side of the demonstration board is connected with an electronic demonstration device, the right side of the front end of the demonstration board is connected with a blackboard, the lower side of the blackboard is provided with a chalk collecting groove, the right side of the top end of the combined demonstration device is provided with a tool box, the front side of the top end of the combined demonstration device is provided with a microphone box, the top end of the combined demonstration device is connected with an auxiliary groove board, the moving device comprises two groups of first supporting plates, the novel scheme can move the device when needed and when not needed, the center of gravity is lowered to improve stability.

Description

Combined demonstration device

Technical Field

The utility model belongs to the technical field of presentation device, specifically be a modular presentation device.

Background

Through the retrieval, chinese patent with grant number cn201910344155.x discloses a combined type demonstration device, which comprises a base, the up end of the base is provided with a fixed cylinder, a piston rod is slidably connected in the fixed cylinder, the peripheral surface of the fixed cylinder is connected with an adjusting bolt through a screw thread, the top of the piston rod is provided with a mounting plate, the upper end of the mounting plate is provided with a containing groove near the left position, the combined type demonstration device is convenient for improving the teaching effect of a user through a touch screen and a writing board, and is convenient for folding the touch screen and the writing board, not only can protect the touch screen, but also is convenient for containing the touch screen and the writing board in the containing groove, saves the space area, is convenient to carry, is convenient for adjusting the height of the device through the adjusting bolt, the piston rod and the fixed cylinder, is suitable for different scenes to use, and is convenient to move the device through a universal wheel, the flexibility is higher, places the box through placing the drawer and categorised and is convenient for prevent teaching tool and teaching books, and the practicality is stronger, but the device inclines easily in the use, and the base is universal wheel and piston rod, bumps or when writing with the chalk because of the mistake when lecture very easily, takes place to collapse, for this reason, we provide a modular presentation device.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a modular presentation device, the effectual device that has solved inclines easily in the use, and the base is universal wheel and piston rod, bumps or when writing with the chalk because of the mistake when lecture very easily, takes place the problem of collapsing.

In order to achieve the above object, the utility model provides a following technical scheme: a combined demonstration device comprises a combined demonstration device and a moving device, wherein the lower side of the combined demonstration device is connected with the upper side of the moving device, the combined demonstration device comprises a demonstration table, the rear side of the upper end of the demonstration table is connected with a demonstration board, the front side of the demonstration board is connected with an electronic demonstration device, the right side of the front end of the demonstration board is connected with a blackboard, the lower side of the blackboard is provided with a chalk collecting groove, the right side of the top end of the combined demonstration device is provided with a tool box, the front side of the top end of the combined demonstration device is provided with a microphone box, the top end of the combined demonstration device is connected with an auxiliary groove board, the moving device comprises two groups of first supporting plates, the front side and the rear side of the viewing end of the two groups of first supporting plates are both connected with two-way screw rods, the left side and the right side of the two-way screw rods are both provided with threads, the spiral directions of the left side and the right side threads of the two-way screw rods are opposite, the left side the motor is installed through the mounting bracket to the left end of first backup pad, the transmission end of motor is connected with the left end of the two-way screw rod of front side, and two sets of the left and right sides of two-way screw rod all is connected with the movable block, the downside of movable block is connected with the connecting plate, and two sets of the downside of connecting plate is connected with the base, the four corners of base bottom all is connected with the universal wheel, and two sets of the right side of two-way screw rod is connected with the chain belt.

Preferably, the top of demonstration platform evenly is connected with four groups of auxiliary blocks, the upside of auxiliary block is connected with the protection piece, the material of protection piece is rubber.

Preferably, the right sides of the two groups of bidirectional screws are connected with chain blocks, and the chain belts are located inside the chain blocks.

Preferably, the rear side of demonstration board is connected with the dog, the rear end of demonstration board is connected with the second handle.

Preferably, the lower sides of the two groups of first supporting plates are connected with auxiliary supporting plates, and the width of each auxiliary supporting plate is 5-10 cm.

Preferably, a drawer is arranged on the front side of the demonstration table, and a first handle is connected to the front side of the drawer.

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

1. the device can be moved when needed by arranging the moving device, when the device is not used, the gravity center is lowered to improve the stability, the universal wheels are driven to move downwards by the base, the universal wheels are contacted with the ground downwards to support the device, a user drives the device to leave by the universal wheels, after the device is moved to a place to be used, the starting motor drives the bidirectional screw rod to rotate in the opposite direction, the base moves upwards to drive the universal wheels to move upwards, and meanwhile, the first supporting plate and the auxiliary supporting plate are contacted with the ground;

2. the electronic demonstration device can enable users to watch videos, write and draw demonstration information through blackboard users, place tools needed by the users through a tool box, place devices such as a microphone and an earphone through a microphone box, drive the electronic demonstration device to be pressed down through the demonstration board, and place the electronic demonstration device through the auxiliary groove plate;

3. the chain belt is prevented from shaking in the operation process by the chain blocks, the demonstration board is prevented from collapsing backwards by users in the use process by the stop blocks, the demonstration board is convenient for the users to use by the users by the second handles, and the first supporting board is prevented from inclining when supporting the seeds by the auxiliary supporting board.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

fig. 2 is a schematic structural view of the mobile device of the present invention;

fig. 3 is a rear view of the present invention.

In the figure: 100. a combined demonstration device; 110. a demonstration table; 111. a drawer; 112. a first handle; 120. a demonstration board; 121. an auxiliary block; 122. a protection block; 123. a stopper; 124. a second handle; 130. an electronic presentation device; 140. a blackboard; 150. a chalk collecting groove; 160. a tool box; 170. a microphone case; 180. an auxiliary groove plate; 200. a mobile device; 210. a first support plate; 211. an auxiliary support plate; 220. a bidirectional screw; 230. a motor; 240. a moving block; 250. a connecting plate; 260. a base; 270. a universal wheel; 280. a chain belt.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a combined demonstration apparatus comprises a combined demonstration apparatus 100 and a mobile apparatus 200, wherein the lower side of the combined demonstration apparatus 100 is connected with the upper side of the mobile apparatus 200, the combined demonstration apparatus 100 comprises a demonstration table 110, the rear side of the upper end of the demonstration table 110 is connected with a demonstration board 120, the front side of the demonstration board 120 is connected with an electronic demonstration apparatus 130, the right side of the front end of the demonstration board 120 is connected with a blackboard 140, the lower side of the blackboard 140 is provided with a chalk collecting groove 150, the front end of the demonstration board 120 is not limited to the electronic demonstration apparatus 130 and the blackboard 140, but also can prevent demonstration apparatuses such as a projector, the right side of the top end of the combined demonstration apparatus 100 is provided with a tool box 160, the front side of the top end of the combined demonstration apparatus 100 is provided with a microphone box 170, the top end of the combined demonstration apparatus 100 is connected with an auxiliary groove board 180, the upper side of the combined demonstration apparatus 100 is not limited to these apparatuses, or different devices can be replaced according to the needs, the mobile device 200 comprises two groups of first supporting plates 210, the front side and the rear side of the viewing end of the two groups of first supporting plates 210 are both connected with a bidirectional screw 220, the left side and the right side of the bidirectional screw 220 are both provided with threads, the spiral directions of the threads on the left side and the right side of the bidirectional screw 220 are opposite, the left end of the left first supporting plate 210 is provided with a motor 230 through a mounting rack, the transmission end of the motor 230 is connected with the left end of the front bidirectional screw 220, the left side and the right side of the two groups of bidirectional screws 220 are both connected with a moving block 240, the lower side of the moving block 240 is connected with a connecting plate 250, the lower sides of the two groups of connecting plates 250 are connected with a base 260, four corners at the bottom end of the base 260 are both connected with universal wheels 270, the right sides of the two groups of bidirectional screws 220 are connected with a chain belt 280, the whole mobile device 200 can be regarded as a device capable of driving the universal wheels 270 to move up and down to contact the ground when in use, the device integrally rises to leave the ground, the universal wheels 270 are retracted when the device is not used, the integral gravity center of the device descends, and the phenomenon that the device inclines is avoided.

Referring to fig. 1, 2 and 3, four sets of auxiliary blocks 121 are uniformly connected to the top end of the demonstration table 110, a protection block 122 is connected to the upper side of the auxiliary block 121, the protection block 122 is made of rubber, the demonstration table 110 can be conveniently put down by a user by setting the auxiliary block 121, the protection block 122 can prevent a device placed on the demonstration table 110 from being damaged when the demonstration table 110 is closed, the right sides of the two sets of bidirectional screws 220 are connected with chain blocks, a chain belt 280 is positioned inside the chain blocks, the chain belt 280 can be prevented from shaking during operation by setting the chain blocks, the chain belt 280 can be prevented from being separated from the bidirectional screws 220 during operation, the rear side of the demonstration plate 120 is connected with a stopper 123, the rear end of the demonstration plate 120 is connected with a second handle 124, the user can be prevented from falling backwards during use by setting the stopper 123, the user can conveniently use the demonstration plate 120 by setting the second handle 124, the lower sides of the two groups of first supporting plates 210 are connected with auxiliary supporting plates 211, the width of each auxiliary supporting plate 211 is 5-10cm, the auxiliary supporting plates 211 are arranged to prevent the first supporting plates 210 from inclining when supporting seeds, the drawer 111 is arranged on the front side of the demonstration table 110, the front side of the drawer 111 is connected with the first handle 112, and the drawer 111 is arranged to improve the practicability of the device and enable a user to place articles conveniently.

The working principle is as follows: when the novel scheme is implemented, if the device needs to be moved, the motor 230 is started, the motor 230 drives the front-side bidirectional screw 220 to rotate, the chain belt 280 is driven to rotate by the rotation of the front-side bidirectional screw 220, the rear-side bidirectional screw 220 is driven to rotate by the rotation of the chain belt 280, the two groups of moving blocks 240 are driven to mutually approach by the rotation of the two groups of bidirectional screws 220, the upper sides of the two groups of connecting plates 250 are driven to mutually approach by the mutual approach of the two groups of moving blocks 240, the lower sides of the two groups of connecting plates 250 support and press the base 260, the universal wheel 270 is driven to move downwards by the base 260, the device is supported by the universal wheel 270 contacting with the ground downwards, a user drives the device to leave by the universal wheel 270, after the device is moved to a place needing to be used, the motor 230 drives the bidirectional screw 220 to rotate in the opposite direction, so that the base 260 moves upwards to drive the universal wheel 270 to move upwards, meanwhile, the first supporting plate 210 is in contact with the ground through the auxiliary supporting plate 211, a user watches videos through the electronic demonstration device 130 in the using process, the user writes and draws demonstration information through the blackboard 140, tools needed by the user are placed through the tool box 160, a microphone, an earphone and the like are placed through the microphone box 170, the electronic demonstration device 130 is driven to be pressed down through the demonstration plate 120, and then the devices are placed through the auxiliary groove plate 180.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A combined demonstration device is characterized in that: including combination presentation device (100) and mobile device (200), the downside of combination presentation device (100) is connected with the upside of mobile device (200), combination presentation device (100) is including demonstration platform (110), the rear side of demonstration platform (110) upper end is connected with demonstration board (120), the front side of demonstration board (120) is connected with electronic presentation device (130), the right side of demonstration board (120) front end is connected with blackboard (140), the downside of blackboard (140) is provided with chalk collecting vat (150), the right side on combination presentation device (100) top is provided with toolbox (160), the front side on combination presentation device (100) top is provided with microphone case (170), the top of combination presentation device (100) is connected with supplementary frid (180), mobile device (200) includes two sets of first backup pads (210), two sets of first backup pad (210) looks both sides around the end and all is connected with two-way screw rod (220), the both sides of controlling of two-way screw rod (220) all are provided with the screw thread, the opposite direction of spiral of two-way screw rod (220) left and right sides screw thread, and the left side the left end of first backup pad (210) is installed motor (230) through the mounting bracket, the transmission end of motor (230) is connected with the left end of front side two-way screw rod (220), and two sets of the left and right sides of two-way screw rod (220) all is connected with movable block (240), the downside of movable block (240) is connected with connecting plate (250), and two sets of the downside of connecting plate (250) is connected with base (260), the four corners of base (260) bottom all is connected with universal wheel (270), and the right side of two sets of two-way screw rod (220) is connected with chain belt (280).

2. A combined presentation device as claimed in claim 1, wherein: the top of demonstration platform (110) evenly is connected with four groups of supplementary pieces (121), the upside of supplementary piece (121) is connected with protection piece (122), the material of protection piece (122) is rubber.

3. A combined presentation device as claimed in claim 1, wherein: the right sides of the two groups of bidirectional screws (220) are connected with chain blocks, and the chain belt (280) is positioned inside the chain blocks.

4. A combined presentation device as claimed in claim 1, wherein: the rear side of demonstration board (120) is connected with dog (123), the rear end of demonstration board (120) is connected with second handle (124).

5. A combined presentation device as claimed in claim 1, wherein: the lower sides of the two groups of first supporting plates (210) are connected with auxiliary supporting plates (211), and the width of each auxiliary supporting plate (211) is 5-10 cm.

6. A combined presentation device as claimed in claim 1, wherein: a drawer (111) is arranged on the front side of the demonstration table (110), and a first handle (112) is connected to the front side of the drawer (111).