CN213092553U

CN213092553U - Teaching presentation device based on visual transmission design

Info

Publication number: CN213092553U
Application number: CN202022535099.9U
Authority: CN
Inventors: 赵雅萱
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-04-30
Anticipated expiration: 2030-11-05

Abstract

The utility model belongs to the technical field of teaching aids, in particular to a teaching demonstration device based on visual transmission design, which comprises a fixed base and a hollow steel pipe, a display base is movably arranged above the fixed base, a display platform is movably arranged above the display base, a rotating shaft is connected below the display platform, a driven gear is sleeved outside the rotating shaft, a camera is arranged above the outer side of the hollow steel tube and corresponds to the display stand, the lower end of the hollow steel tube penetrates through the display base and is connected with the fixed base, the bottom of the inner cavity of the display base is provided with a driving motor, the driving motor can drive the display stand to rotate, the periphery of the prop on the display stand can be conveniently observed through the rotation of the display stand, meanwhile, the rotary display base can drive the display stand to revolve, and students can observe props on different display stands conveniently through revolution of the display stand.

Description

Teaching presentation device based on visual transmission design

Technical Field

The utility model relates to a teaching aid technical field specifically is a teaching presentation device based on visual transmission design.

Background

The teaching demonstration device is a device convenient for teachers to demonstrate and demonstrate teaching methods, wherein the teaching methods are that teachers show some concrete cases in life to students through a simple and clear demonstration method by means of certain props or multimedia, so that abstract knowledge and principles are simplified and visualized, and students are helped to deepen understanding and comprehension of the knowledge and principles.

The existing teaching demonstration device can only demonstrate one prop in a single way, the single demonstration cannot carry out contrast demonstration, and when the demonstrated prop is small, a remote student cannot clearly observe the change on the prop.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching presentation device based on visual transmission design to the problem of the change on the stage property can not be observed to the distant student of the current teaching presentation device who proposes when the demonstration in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a teaching presentation device based on visual transmission design, includes unable adjustment base and hollow steel pipe, unable adjustment base's top movable mounting has the show base, the top movable mounting of show base has the show stand, the below of show stand is connected with the rotation axis, the outside cover of rotation axis is equipped with driven gear, the camera is installed to hollow steel pipe's outside top, the camera is corresponding with the show stand, hollow steel pipe's lower extreme runs through the show base and is connected with unable adjustment base, driving motor is installed to the inner chamber bottom of show base, driving motor's rotor upper end is connected with the driving gear, hollow steel pipe's outside movable cover is equipped with double-end gear, driving gear and double-end gear meshing, double-end gear and driven gear meshing.

Preferably, the outside cover of show stand has the protection casing, the screens groove has been seted up to the body upside of show base, the lower extreme of protection casing is placed in the screens groove.

Preferably, a positioning block is installed above the fixed base, a rotating handle is movably installed on the outer side of the display base, and the rotating handle is matched with the positioning block.

Preferably, roller grooves are formed in the upper portion of the body of the fixing base and the lower portion of the body of the display base, and balls are placed between the two roller grooves.

Preferably, a handle rod is movably arranged on the outer side of the fixed base.

Preferably, a rotating groove is formed in the upper portion of the body of the fixing base, the lower end of the display base is movably mounted in the rotating groove, and a limiting block is arranged at the lower end of the outer side of the display base and is located in the rotating groove.

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

1) the driving motor can drive the display stand to rotate, the periphery of the property on the display stand can be conveniently observed through the rotation of the display stand, meanwhile, the display stand can be driven to revolve by rotating the display base, and students can conveniently observe the property on different display stands through the revolution of the display stand;

2) the prop can be shot clearly through the camera, and then the shot image is projected through the external projector, so that students at a distance can observe the prop with a smaller volume conveniently;

3) the hollow steel pipe and the camera are fixed, the wire and the data line connected with the camera penetrate through the inner cavity of the hollow steel pipe, and when the display base rotates, the wire and the data line connected with the camera cannot be wound mutually.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic view of the display base of the present invention.

In the figure: the display device comprises a fixed base 1, a display base 2, a clamping groove 21, a protective cover 3, a hollow steel pipe 4, a camera 5, a handle rod 6, a display table 7, a positioning block 8, a rotary handle 9, balls 10, a limiting block 11, a driving motor 12, a driving gear 13, a driven gear 14, a rotating shaft 15 and a double-head gear 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a teaching demonstration device based on visual transmission design comprises a fixed base 1 and a hollow steel tube 4, a display base 2 is movably mounted above the fixed base 1, display platforms 7 are movably mounted above the display base 2, the number of the display platforms 7 is at least two, a plurality of display platforms 7 are annularly arranged, the display platforms 7 are uniformly distributed above the display base 2, a rotating shaft 15 is connected below the display platforms 7, a driven gear 14 is sleeved outside the rotating shaft 15, a camera 5 is mounted above the outer side of the hollow steel tube 4, a power interface, a data transmission interface and a motor switch are arranged on the front side of the display base 2, a fixed power supply is further arranged inside the display base 2 and connected with the motor switch through a lead, the motor switch is connected with a driving motor 12 through a lead, and the power interface is connected with the camera 5 through a lead, the data transmission interface is connected with the camera 5 through a data line, a lead and the data line which are connected with the camera 5 penetrate through the inner cavity of the hollow steel tube 4, external projection equipment can be connected with the data transmission interface through the data line, the camera 5 corresponds to the display platform 7, the camera 5 can shoot props on the display platform 7, the lower end of the hollow steel tube 4 penetrates through the display base 2 and is connected with the fixed base 1, the bottom of the inner cavity of the display base 2 is provided with a driving motor 12, the upper end of a rotor of the driving motor 12 is connected with a driving gear 13, the outer side of the hollow steel tube 4 is movably sleeved with a double-head gear 16, the double-head gear 16 consists of two transmission gears and a hollow round iron, the upper end and the lower end of the hollow round iron are both connected with the transmission gears, the inner side of the hollow round iron is connected with the hollow steel tube 4 through a bearing, the driving gear 13 meshes with a transmission gear on the lower side of the double-headed gear 16, and a transmission gear on the upper side of the double-headed gear 16 meshes with the driven gear 14.

The outside cover of show stand 7 has protection casing 3, has protection casing 3 to constitute by transparent plastic, and screens groove 21 has been seted up to the body upside of show base 2, and the lower extreme of protection casing 3 is placed in screens groove 21.

Locating piece 8 is installed to unable adjustment base 1's top, and the outside movable mounting of show base 2 has rotatory handle 9, and the one end of rotatory handle 9 is provided with the forked tail, and the dovetail has vertically been seted up in the body outside of show base 2, and the forked tail activity is pegged graft in the dovetail, and the constant head tank has been seted up to locating piece 8's body upper end, and during the location, the other end of rotatory handle 9 is placed in the constant head tank.

Roller grooves are formed in the upper portion of the body of the fixed base 1 and the lower portion of the body of the display base 2, and balls 10 are placed between the two roller grooves.

The outer side of the fixed base 1 is movably provided with a handle rod 6.

The swivelling chute has been seted up to unable adjustment base 1's body top, and the lower extreme movable mounting of show base 2 is in the swivelling chute, and the outside lower extreme of show base 2 is provided with stopper 11, and stopper 11 is in the swivelling chute.

The working principle is as follows: when the protective cover 3 is opened, the property to be demonstrated is placed on the display platform 7, the power supply of the driving motor 12 is switched on, the driving motor 12 drives the driving gear 13 to rotate, the driving gear 13 drives the double-end gear 16 to rotate, the double-end gear 16 drives the driven gear 14 to rotate, the driven gear 14 drives the driven shaft 15 to rotate, the rotating shaft 15 drives the display platform 7 to rotate, the property on the display platform 7 also rotates along with the rotation of the display platform 7, the rotating property can be conveniently observed by students, when different properties are required to be observed, the rotating handle 9 can be moved upwards, then the rotating handle 9 is pushed to rotate around the central axis of the display base 2, the rotating handle 9 drives the display base 2 to rotate, the display base 2 drives the display platform 7 to rotate around the central axis of the display base 2, thereby facilitating the students to observe the properties on different display platforms 7, after the display base, the rotating handle 9 is pushed to move downwards, the other end of the rotating handle 9 is clamped into the positioning groove on the positioning block 8 body, and the display base 2 is fixed by the rotating handle 9 and the positioning block 8 and is not rotated;

when the show stage property is less, can open camera 5, camera 5 can shoot the stage property, then comes out through the image projection of external projecting apparatus with shooting to the student of being convenient for observes, when the stage property is rotatory, and camera 5 does not rotate, consequently can make things convenient for camera 5 to shoot all around of stage property.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. The utility model provides a teaching presentation device based on visual transmission design, includes unable adjustment base (1) and hollow steel pipe (4), its characterized in that: the top movable mounting of unable adjustment base (1) has show base (2), the top movable mounting of show base (2) has show stand (7), the below of show stand (7) is connected with rotation axis (15), the outside cover of rotation axis (15) is equipped with driven gear (14), camera (5) are installed to the outside top of hollow steel pipe (4), camera (5) are corresponding with show stand (7), the lower extreme of hollow steel pipe (4) runs through show base (2) and is connected with unable adjustment base (1), driving motor (12) are installed to the inner chamber bottom of show base (2), the rotor upper end of driving motor (12) is connected with driving gear (13), the outside movable cover of hollow steel pipe (4) is equipped with double-end gear (16), driving gear (13) and double-end gear (16) meshing, the double-ended gear (16) is meshed with the driven gear (14).

2. A visual communication design-based instructional presentation device according to claim 1, wherein: the outside cover of show stand (7) has protection casing (3), screens groove (21) have been seted up to the body upside of show base (2), the lower extreme of protection casing (3) is placed in screens groove (21).

3. A visual communication design-based instructional presentation device according to claim 1, wherein: locating piece (8) are installed to the top of unable adjustment base (1), the outside movable mounting of show base (2) has rotatory handle (9), rotatory handle (9) and locating piece (8) looks adaptation.

4. A visual communication design-based instructional presentation device according to claim 1, wherein: roller grooves are formed in the upper portion of the body of the fixed base (1) and the lower portion of the body of the display base (2), and balls (10) are placed between the two roller grooves.

5. A visual communication design-based instructional presentation device according to claim 1, wherein: the outer side of the fixed base (1) is movably provided with a handle rod (6).

6. A visual communication design-based instructional presentation device according to claim 1, wherein: the rotary groove has been seted up to the body top of unable adjustment base (1), the lower extreme movable mounting of show base (2) is in the rotary groove, the outside lower extreme of show base (2) is provided with stopper (11), stopper (11) are in the rotary groove.