CN219497304U

CN219497304U - Multidirectional demonstration device

Info

Publication number: CN219497304U
Application number: CN202320567892.8U
Authority: CN
Inventors: 王玉红
Original assignee: Xi'an Innovation College Of Yan'an University
Current assignee: Xi'an Innovation College Of Yan'an University
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-08
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a multidirectional demonstration device, which relates to the technical field of demonstration devices and comprises a base, wherein a turntable is rotatably arranged on the base, a plurality of supporting frames are fixedly arranged on the turntable, demonstration boards are rotatably arranged in a plurality of supporting frames, a central shaft which is rotatably connected with the supporting frames is fixedly arranged on the demonstration boards, and gears are fixedly arranged on the central shaft; the rotary table is rotatably provided with a disc, a plurality of fixed frames are fixedly arranged on the rotary table, a plurality of sliding frames are slidably arranged on the fixed frames, one end, close to the disc, of each sliding frame is fixedly provided with a round bar, a notch matched with the round bar is formed in the disc, and tooth grooves meshed with gears are formed in the sliding frames. When the demonstration boards are required to be turned over, the disc is rotated, and the plurality of demonstration boards are turned over simultaneously through the cooperation of the disc, the round bar, the sliding frame, the gears and the center shaft, so that demonstration work is more convenient.

Description

Multidirectional demonstration device

Technical Field

The utility model relates to the technical field of presentation devices, in particular to a multidirectional presentation device.

Background

Visual communication is an active action in a visual form for transmitting specific things, the visual communication mostly or partially depends on vision, and is represented by images in two-degree spaces such as identification, typesetting, drawing, plane design, picture insertion, colors, electronic equipment and the like, and in the visual communication design or teaching process, a demonstration device is usually required to demonstrate works or works design skills to other people for watching;

the utility model patent of publication number CN213716261U, the name is "special teaching device of visual transmission design drawing", including demonstration board and support, the demonstration board is fixed in the support top, the demonstration board includes demonstration panel and backlight box, the demonstration panel is fixed in the backlight box front, the upper and lower both sides of demonstration panel back respectively are provided with a magnetism and inhale the strip, the demonstration panel front is equipped with two rectangle magnetism and inhale the piece, the inside back light plate that is equipped with of backlight box, be equipped with the light source on the back light plate. According to the utility model, the LED lamp beads which are energy-saving and can emit strong light are used as the light source, so that a stronger illumination effect can be provided, and the teaching demonstration effect is improved; the magnetic strip and the magnetic block can be used for conveniently placing and taking down the demonstration drawing paper teaching material, so that the practicability and convenience are improved, and the convenient storage and carrying of the teaching device are realized through the detachable and optionally rotatable support structure;

when the vision conveys and shows the teaching, the user can show some pictorial representations first, then introduce the drawing process key parts such as work, then can demonstrate some key points by hand after the introduction is accomplished and supply the student to consult, and current part presentation device has and rotates thereby carries out the omnidirectional show with the support as above-mentioned patent shows, but comparatively troublesome when a plurality of works show, and simultaneously if set up a plurality of demonstration boards, because the back space of demonstration board still can carry out function utilization such as work show, a plurality of demonstration boards set up simultaneously and make and rotate the in-process that turns over to the demonstration board and overturn one by one thereby also comparatively troublesome this moment.

Disclosure of Invention

The utility model aims to provide a multi-azimuth demonstration device so as to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the multidirectional demonstration device comprises a base, wherein a turntable is rotatably arranged on the base, a plurality of supporting frames are fixedly arranged on the turntable, demonstration boards are rotatably arranged in a plurality of supporting frames, a central shaft which is rotatably connected with the supporting frames is fixedly arranged on the demonstration boards, and gears are fixedly arranged on the central shaft; the rotary table is rotatably provided with a disc, a plurality of fixed frames are fixedly arranged on the rotary table, a plurality of sliding frames are slidably arranged on the fixed frames, one end, close to the disc, of each sliding frame is fixedly provided with a round bar, a notch matched with the round bar is formed in the disc, and tooth grooves meshed with gears are formed in the sliding frames.

Preferably, a connecting rod is fixedly installed at one end, close to the disc, of the sliding frame, the connecting rod penetrates through the fixed frame in a sliding mode, and the round bar is fixedly installed on the connecting rod.

Preferably, the turntable is fixedly provided with a jacking column, and the disc is rotatably arranged on the jacking column.

Preferably, the notch is an arc-shaped groove.

Preferably, the bottom end of the turntable is fixedly provided with a bottom frame, the disc is fixedly provided with a rotating shaft, the bottom frame is rotatably provided with a round wheel, and the bottom ends of the round wheel and the rotating shaft are provided with a transmission belt in a transmission way.

Preferably, the round wheel is inserted with a screw which is abutted with the underframe.

Preferably, the cross section of the underframe is L-shaped, and the round wheel is rotatably arranged at the short arm end of the underframe.

In the above technical scheme, the utility model provides a multidirectional demonstration device, which has the following beneficial effects: through setting up a plurality of demonstration boards on the carousel to conveniently carry out a plurality of works demonstration, and rotate the carousel and can carry out diversified demonstration, when need turn over the demonstration board, rotate the disc, make simultaneously turn over a plurality of demonstration boards through the cooperation of disc, round bar, sliding frame, gear and centraxonial, thereby make demonstration work more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the bottom structure of FIG. 2 according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram at a in fig. 1 according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of the structure at B in FIG. 2 according to an embodiment of the present utility model;

fig. 6 is a schematic view of a part of a disc according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a base; 21. a turntable; 211. a chassis; 212. a top column; 213. a fixed frame; 22. a disc; 221. a rotating shaft; 222. a notch; 23. a sliding frame; 231. a connecting rod; 2311. round strips; 24. a support frame; 25. a demonstration board; 251. a center shaft; 26. a transmission belt; 27. a round wheel; 28. and (5) a screw.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-6, a multi-azimuth demonstration device according to the present utility model includes a base 1, a turntable 21 rotatably mounted on the base 1, a plurality of support frames 24 fixedly mounted on the turntable 21, a demonstration board 25 rotatably mounted in each of the plurality of support frames 24, a center shaft 251 rotatably connected with the support frames 24 fixedly mounted on the demonstration board 25, and gears fixedly mounted on the center shaft 251; the rotary table 21 is rotatably provided with a disc 22, the rotary table 21 is fixedly provided with a plurality of fixed frames 213, the fixed frames 213 are respectively and slidably provided with a sliding frame 23, one end of the sliding frame 23, which is close to the disc 22, is fixedly provided with a round bar 2311, the disc 22 is provided with a notch 222 matched with the round bar 2311, and the sliding frame 23 is provided with a tooth slot meshed with a gear; the plurality of demonstration boards 25 are arranged along the circumferential array of the turntable 21, the positions of the demonstration boards 25 can be adjusted by rotating the turntable 21 so as to carry out multidirectional demonstration, the notch 222 on the turntable 22 can drive the round bar 2311 in the notch 22 to slide by rotating the turntable 22, at this time, the round bar 2311 drives the sliding frame 23 to move along the radial direction of the turntable 21, at this time, the sliding frame 23 drives the gear on the center shaft 251 to rotate by the tooth grooves on the sliding frame 23, at this time, the gear drives the demonstration boards 25 to rotate by the center shaft 251, so that the demonstration boards 25 are turned over to display back content.

Specifically, a connecting rod 231 is fixedly installed at one end of the sliding frame 23, which is close to the disc 22, the connecting rod 231 penetrates through the fixed frame 213 in a sliding manner, and the round bar 2311 is fixedly installed on the connecting rod 231; the moving direction of the slide frame 23 is restricted by the engagement of the fixing frame 213 and the connection rod 231.

Specifically, a top column 212 is fixedly installed on the turntable 21, and the disc 22 is rotatably installed on the top column 212; the disc 22 is rotatably connected to the turntable 21 by a post 212.

Specifically, the notch 222 is an arc-shaped slot; the end of the arc-shaped groove away from the corresponding demonstration board 25 is inclined towards the center of the disc 22, so that when the disc 22 rotates, the arc-shaped groove can drive the round bar 2311 in the arc-shaped groove to drive the sliding frame 23 to move towards the direction of approaching the disc 22 or away from the disc 22.

Specifically, the bottom end of the turntable 21 is fixedly provided with a bottom frame 211, the disc 22 is fixedly provided with a rotating shaft 221, the bottom frame 211 is rotatably provided with a round wheel 27, and the bottom ends of the round wheel 27 and the rotating shaft 221 are in transmission and are provided with a transmission belt 26; the rotating round wheel 27 drives the rotating shaft 221 to rotate through the driving belt 26, and at this time, the rotating shaft 221 drives the disc 22 to rotate, so that the disc 22 drives the sliding frames 23 to synchronously move through the notches 222.

Specifically, a screw 28 abutting against the chassis 211 is inserted on the round wheel 27 in a threaded manner; after the round wheel 27 is turned to the proper position, the screw 28 is tightened to abut against the chassis 211 to limit the rotation of the round wheel 27.

Specifically, the cross section of the chassis 211 is L-shaped, and the round wheel 27 is rotatably installed at the short arm end of the chassis 211; wherein base 1 comprises base, vertical board and support plectane from bottom to top in proper order, and wherein carousel 21 rotates and installs on the support plectane, and wherein the short arm end length dimension of chassis 211 is less than the size of vertical board to the base centre of a circle to make chassis 211 can not with vertical board butt when following carousel 21 and rotate.

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

Claims

1. The multi-azimuth demonstration device comprises a base (1), and is characterized in that a turntable (21) is rotatably arranged on the base (1), a plurality of supporting frames (24) are fixedly arranged on the turntable (21), demonstration boards (25) are rotatably arranged in the supporting frames (24), a center shaft (251) which is rotatably connected with the supporting frames (24) is fixedly arranged on the demonstration boards (25), and gears are fixedly arranged on the center shaft (251);

the rotary table is characterized in that the rotary table (21) is rotatably provided with a disc (22), the rotary table (21) is fixedly provided with a plurality of fixed frames (213), a plurality of fixed frames (213) are respectively provided with a sliding frame (23) in a sliding mode, one end, close to the disc (22), of the sliding frame (23) is fixedly provided with a round bar (2311), the disc (22) is provided with a notch (222) matched with the round bar (2311), and the sliding frame (23) is provided with a tooth slot meshed with a gear.

2. The multi-azimuth demonstration device according to claim 1, wherein a connecting rod (231) is fixedly installed at one end of the sliding frame (23) close to the disc (22), the connecting rod (231) penetrates through the fixed frame (213) in a sliding mode, and the round bar (2311) is fixedly installed on the connecting rod (231).

3. The multi-azimuth demonstration device according to claim 1, wherein the turntable (21) is fixedly provided with a jack-post (212), and the disc (22) is rotatably mounted on the jack-post (212).

4. The multi-azimuth demonstration device of claim 1, wherein the slot (222) is an arcuate slot.

5. The multi-azimuth demonstration device according to claim 1, wherein a bottom end of the turntable (21) is fixedly provided with a bottom frame (211), a rotating shaft (221) is fixedly arranged on the disc (22), a round wheel (27) is rotatably arranged on the bottom frame (211), and a transmission belt (26) is arranged at bottom ends of the round wheel (27) and the rotating shaft (221).

6. The multi-azimuth demonstration device according to claim 5, wherein the round wheel (27) is inserted with a screw (28) which is abutted to the bottom frame (211).

7. The multi-azimuth demonstration device according to claim 6, wherein the cross section of the chassis (211) is L-shaped, and the round wheel (27) is rotatably mounted at the short arm end of the chassis (211).