CN211787695U

CN211787695U - Historical teaching is with audio-visual teaching aid display device

Info

Publication number: CN211787695U
Application number: CN202020245144.4U
Authority: CN
Inventors: 周海莲
Original assignee: Weifang Engineering Vocational College
Current assignee: Weifang Engineering Vocational College
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-10-27
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a history teaching is with audio-visual teaching aid display device, including first fixed frame, all be provided with first bearing about the first fixed frame inside wall upper end, it is two sets of the equal fixedly connected with connecting rod of axis of first bearing, it is two sets of the fixed frame of the inboard equal fixedly connected with second of connecting rod. The utility model discloses a first bearing and connecting rod swing joint at both ends have the fixed frame of second about first fixed frame inboard, and second bearing and connecting rod swing joint have the blank about the fixed frame inboard of second, thereby can make the free support of blank and accomodate, because all be provided with fixed establishment in first bearing and second bearing department, through deciding the post respectively with the second locating hole on the connecting rod right side wall correspond each other, the angle of the fixed frame of regulation second and blank that can be arbitrary, it is comparatively convenient to use, be favorable to more practical use history teaching with audio-visual teaching aid display device, it is practical, and the device is suitable for extensive popularization and use.

Description

Historical teaching is with audio-visual teaching aid display device

Technical Field

The utility model relates to a display device technical field specifically is a history teaching is with audio-visual teaching aid display device.

Background

At present, a history course is a very special subject, all historical characters and historical events taught by the history course occur in a certain time and space in the past, and the real scenes cannot be reproduced. In history teaching, explanation of a memorial hall, a historical museum, historical historic sites, precious cultural relics and famous scenic spots is often involved. In the prior teaching of historical subjects, a teacher generally only adopts a piece of chalk and a textbook, so that the enthusiasm of students for learning is difficult to arouse sometimes in the teaching, the students cannot obtain rich and detailed historical information by only relying on the traditional teaching tools, and the optimal teaching effect is difficult to achieve.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: however, the display device in the existing market is large in size, inconvenient to display and move and large in occupied area.

Therefore, we provide a history teaching is with directly perceived teaching aid display device, there is the fixed frame of second through the first bearing and the connecting rod swing joint at both ends about first fixed frame inboard, and the fixed frame inboard of second both ends second bearing and connecting rod swing joint have the blank about, thereby can make the support of blank freedom with accomodate, because all be provided with fixed establishment in first bearing and second bearing department, through deciding the post respectively with the connecting rod right side wall on the second locating hole mutual correspondence, the angle of the fixed frame of regulation second and blank that can be arbitrary, it is comparatively convenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching aid display device directly perceived for history teaching has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a visual teaching aid display device for history teaching comprises a first fixed frame;

the left and right sides of the upper end of the inner side wall of the first fixing frame are both provided with a first bearing, the middle shafts of two groups of the first bearings are both fixedly connected with connecting rods, the inner sides of the two groups of the connecting rods are both fixedly connected with a second fixing frame, the lower sides of the left and right ends of the inner side wall of the second fixing frame are both provided with a second bearing, the middle shafts of the two groups of the second bearings are fixedly connected with a white board through the connecting rods, and the two groups of the first bearings and the second bearings;

the fixing mechanism comprises a first positioning hole and a second positioning hole, the first positioning hole is formed in the outer side wall of the first fixing frame and the outer side wall of the second fixing frame respectively, the first positioning hole is in four groups and is communicated with the middle shaft of the first bearing and the middle shaft of the second bearing respectively, the outer side of the first positioning hole is movably connected with the fixed column, the second positioning hole is formed in the right side wall of the four groups of connecting rods respectively, and the second positioning holes correspond to the fixed column.

As a preferred embodiment of the present invention, the first fixed frame is a concave plate, and the second fixed frame is a rectangular plate.

As an optimized embodiment of the utility model, the upper end of the front side wall of the whiteboard is provided with a magnetic buckle.

As a preferred embodiment of the utility model, the first fixed frame lower extreme left and right sides all is provided with the slipmat, the slipmat is the rubber material.

As a preferred embodiment of the utility model, four groups the stilt lateral wall all is provided with the spring, both ends respectively with the fixed frame lateral wall of first fixed frame and second and stilt lateral wall fixed connection about the spring.

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

1. the utility model discloses a first bearing and connecting rod swing joint at both ends have the fixed frame of second about first fixed frame inboard, and second bearing and connecting rod swing joint have the blank about the fixed frame inboard of second, thereby can make the free support of blank and accomodate, because all be provided with fixed establishment in first bearing and second bearing department, through deciding the post respectively with the second locating hole on the connecting rod right side wall correspond each other, the angle of the fixed frame of regulation second and blank that can be arbitrary, it is comparatively convenient to use, be favorable to more practical use history teaching with audio-visual teaching aid display device.

2. The utility model discloses a be equipped with magnetism and detain and the slipmat, lateral wall upper end is provided with a plurality of groups magnetism and detains before the blank, detains through magnetism and can help the fixed some learning materials of mr, and is provided with the slipmat at first fixed frame lower extreme, the effectual device stability that has improved is favorable to more practical use history teaching with audio-visual teaching aid display device.

3. The utility model discloses a be equipped with the spring, all be provided with the spring at four fixed post lateral walls of group, and about the spring both ends respectively with the fixed frame lateral wall of first fixed frame and second and fixed post lateral wall fixed connection, can be when fixed frame and blank of second, it is more convenient through the elasticity of spring, be favorable to more practical use history teaching with audio-visual teaching aid display device.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the visual teaching aid display device for history teaching according to the present invention;

FIG. 2 is a schematic view of the fixing mechanism of the visual teaching aid display device for history teaching according to the present invention;

FIG. 3 is the utility model discloses history teaching is with audio-visual teaching aid display device's second locating hole schematic diagram.

In the figure: 1, first fixed frame 2, first bearing 3, connecting rod 4, the fixed frame of second 5, blank 6, second bearing 7, fixed establishment 8, first locating hole 9, second locating hole 10, fixed post 11, magnetism is detained 12, slipmat 13, spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a history teaching is with audio-visual teaching aid display device which characterized in that: comprising a first fixed frame 1;

the left and right sides of the upper end of the inner side wall of the first fixing frame 1 are both provided with a first bearing 2, the middle shafts of two groups of the first bearings 2 are both fixedly connected with a connecting rod 3, the inner sides of two groups of the connecting rods 3 are both fixedly connected with a second fixing frame 4, the lower sides of the left and right ends of the inner side wall of the second fixing frame 4 are both provided with a second bearing 6, the middle shafts of two groups of the second bearings 6 are fixedly connected with a white board 5 through the connecting rods 3, and the two groups of the first bearings 2 and the second bearings 6 are;

fixing mechanism 7 includes first locating hole 8 and second locating hole 9, first locating hole 8 is seted up respectively at the lateral wall of the fixed frame of first 1 and second 4, and four groups first locating hole 8 communicates each other with the axis of first bearing 2 and second bearing 6 respectively, first locating hole 8 outside swing joint has stilt 10, the second locating hole is seted up respectively at the 3 right side walls of four groups connecting rod, and a plurality of groups second locating hole 9 all corresponds with stilt 10 each other.

Please refer to fig. 1 in this embodiment, fig. 2 and fig. 3 have the fixed frame 4 of second through the first bearing 2 and the fixed frame 4 of connecting rod 3 swing joint at both ends about first fixed frame 1 inboard, and the fixed frame 4 inboard both ends second bearing 6 and connecting rod swing joint have blank 5 about, thereby can make the support of blank 5 freedom with accomodate, because all be provided with fixed establishment 7 in first bearing 2 and second bearing 6 department, correspond each other with second locating hole 9 on the wall of connecting rod 3 right side respectively through stationary mast 10, the angle of the fixed frame 4 of second and blank 5 can be adjusted wantonly, and it is comparatively convenient to use, be favorable to more practical use history teaching with audio-visual teaching aid display device.

Wherein, the first fixed frame 1 is a concave plate, and the second fixed frame 4 is a rectangular plate

Wherein, the upper end of the front side wall of the white board 5 is provided with a magnetic buckle 11.

In this embodiment, please refer to fig. 1 and detain 11 and slipmat 12 through being equipped with magnetism, be provided with a plurality of groups magnetism on the lateral wall upper end before blank 5 and detain 11, can help the mr to fix some learning materials through magnetism detains 11, and is provided with slipmat 12 at first fixed frame 1 lower extreme, the effectual device stability that has improved is favorable to more practical use history teaching with directly perceived teaching aid display device.

The left side and the right side of the lower end of the first fixing frame 1 are both provided with anti-slip pads 12, and the anti-slip pads 12 are made of rubber.

Wherein, four groups the outer wall of fixed post 10 all is provided with spring 13, both ends respectively with the fixed frame 4 lateral wall of first fixed frame 1 and second and fixed post 10 lateral wall fixed connection about spring 13.

In this embodiment, please refer to fig. 1 and 2, the springs 13 are disposed on the outer side walls of the four fixed posts 10, and the left and right ends of the springs 13 are respectively fixedly connected to the outer side walls of the first fixed frame 1 and the second fixed frame 4 and the outer side walls of the fixed posts 10, so that the spring 13 can be more convenient to apply when the second fixed frame 4 and the whiteboard 5 are fixed, and the visual teaching aid display device for history use teaching is more practical.

When a history teaching uses audio-visual teaching aid display device, earlier remove the device expert to the appointed place, and laminate each other slipmat 12 and the desktop of first fixed frame 1 lower extreme earlier, then adjust the horizontal direction with the fixed frame 4 of second through first bearing 2 and connecting rod 3, and agree with each other through stilt 10 and second locating hole 9 simultaneously, fix the fixed frame 4 of second at horizontal position, so on, adjust suitable position with blank 5 through second bearing 6 and connecting rod 3, then it can fixed with it through stilt 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a history teaching is with audio-visual teaching aid display device which characterized in that: comprising a first fixed frame (1);

the left and right sides of the upper end of the inner side wall of the first fixing frame (1) are provided with first bearings (2), the middle shafts of the two groups of first bearings (2) are fixedly connected with connecting rods (3), the inner sides of the two groups of connecting rods (3) are fixedly connected with second fixing frames (4), the lower sides of the left and right ends of the inner side wall of the second fixing frame (4) are provided with second bearings (6), the middle shafts of the two groups of second bearings (6) are fixedly connected with a white board (5) through the connecting rods (3), and the two groups of first bearings (2) and the second bearings (6) are provided with fixing mechanisms (7);

fixed establishment (7) include first locating hole (8) and second locating hole (9), set up respectively at the lateral wall of the fixed frame of first (1) and second (4), four groups in first locating hole (8) communicate with the axis of first bearing (2) and second bearing (6) respectively each other, first locating hole (8) outside swing joint has stationary columns (10), set up respectively at four groups connecting rod (3) right side walls, a plurality of groups second locating hole (9) all correspond each other with stationary columns (10).

2. The visual teaching aid display device for history teaching according to claim 1, characterized in that: the first fixing frame (1) is a concave plate, and the second fixing frame (4) is a rectangular plate.

3. The visual teaching aid display device for history teaching according to claim 1, characterized in that: the upper ends of the front side walls of the white board (5) are provided with magnetic buckles (11).

4. The visual teaching aid display device for history teaching according to claim 1, characterized in that: the left side and the right side of the lower end of the first fixing frame (1) are provided with anti-slip pads (12), and the anti-slip pads (12) are made of rubber.

5. The visual teaching aid display device for history teaching according to claim 1, characterized in that: the outer side walls of the four fixed columns (10) are provided with springs (13), and the left end and the right end of each spring (13) are fixedly connected with the outer side wall of the first fixed frame (1) and the outer side wall of the second fixed frame (4) and the outer side wall of the fixed column (10) respectively.