CN216562122U

CN216562122U - Audio-visual device is used in teaching of easy to assemble

Info

Publication number: CN216562122U
Application number: CN202123310766.4U
Authority: CN
Inventors: 于敏中
Original assignee: Tangshan Normal University
Current assignee: Tangshan Normal University
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-17
Anticipated expiration: 2031-12-27

Abstract

This device relates to the teaching equipment field, concretely relates to audio-visual device is used in teaching of easy to assemble. Including the blank, install the audio amplifier on the blank, still include the supporting leg that a plurality of blackboards and blackboard downside that are connected through slider and blank are equipped with, when need not using projection arrangement, push away the blackboard to the joint state, the blank is hidden at the blackboard rear side, when needs use projection equipment teaching, the blackboard that can push-and-pull correspond through slider pushes away to both sides, through middle part blank show projection effect, can rotate the blackboard after the blackboard is pulled out and be used for sheltering from light, improve the picture effect of projection equipment projection on the blank.

Description

Audio-visual device is used in teaching of easy to assemble

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to a teaching audio-video device convenient to install.

Background

With the continuous progress of modern teaching technology, multimedia classrooms are widely applied, projection equipment becomes standard equipment in classrooms of various schools and education institutions, and in practice, the projection equipment is widely applied, teachers show contents to be presented by integrating sound, images, videos, characters and the like on a white curtain through the projection equipment, so that students can conveniently understand the contents, the interest of the students is improved, and the writing time of teachers is saved, therefore, a multimedia sound and image device is widely applied, but the existing multimedia teaching equipment has obvious problems in practical application, the teaching time of schools is mostly in the daytime, strong external light has strong influence on the projected effect, and the stronger light has poorer image effect projected on a white board, often can meet the image that light too strong leads to on the blank and can't see clearly, be not convenient for operate also can't reach the result of use when teaching simultaneously, because see clearly lead to the student to reduce study content interest, influenced the teaching progress, lead to the teaching inefficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides the teaching audio-video device which is convenient to install, and solves the problem that the existing projection device for teaching has poor projection effect due to too strong external light when in use.

The technical scheme of the utility model is as follows:

the utility model provides an audio-visual device is used in teaching easy to assemble which characterized in that: including the blank, be connected with a plurality of blackboards through slider on the blank, still install the audio amplifier on the blank, the blackboard downside is equipped with the supporting leg, can show the image that projection equipment throws through the blank, and the blackboard that slider can push-and-pull correspond makes adjacent blackboard joint or part, and the blackboard is drawn to the contained angle that can adjust after the slider edge after part and the blank reaches the effect of sheltering from light.

According to the teaching audio-visual device convenient to mount, the lower sides of the supporting legs are provided with the plurality of rollers, the rollers can facilitate the movement of the device, and meanwhile, the push-and-pull of a blackboard can be assisted.

According to the teaching sound image device convenient to mount, the protection block is arranged at the corner edge of the non-joint side corresponding to the blackboard, the protection block is L-shaped, and the corner of the protection block is subjected to rounding treatment.

The teaching audio-visual device convenient to install comprises a sliding block fixedly installed on the upper side and the lower side of a blackboard and two sliding rails fixedly installed on the upper side and the lower side of a whiteboard, the length of each sliding rail is larger than the side length of the upper side and the lower side of the whiteboard, and the sliding block is connected with the sliding rails in a sliding mode.

As the audio-visual device for teaching easy to assemble, slide rail both sides edge be equipped with the dog, dog and slide rail fixed connection set up the dog and can avoid the slider to pull out the slide rail outside.

When the blackboard is pulled to the two sides of the white board towards the corresponding primary side, the sliding block rotates in the sliding rail to enable the blackboard to rotate around the sliding block, so that an angle is formed between the blackboard and the white board.

According to the teaching audio-video device convenient to mount, the slide rail is provided with the sound box, and the sound box can be connected with the projection device.

The utility model achieves the following beneficial effects:

use this device to teach when, when need not use projection apparatus, push away the blackboard to the joint state, the blank is hidden at the blackboard rear side, when needs use projection apparatus teaching, push away two blackboards of this device to both sides, show the projection effect through the blank, when external light influences the projection effect too strongly, can be to the angle of illumination of sunshine, with the rotatory certain angle of blackboard, be used for sheltering from light, improve the picture effect of projection apparatus projection to the blank, when accomodating, can also pull out the blackboard, wind the slider clockwise respectively with two blackboards, anticlockwise rotation one hundred eighty degrees, make this device fold each other and place, save and take up an area of the space, and be convenient for carry.

Drawings

FIG. 1 is a schematic view showing a two-piece blackboard of the present invention in an unfolded configuration; FIG. 2 is a schematic view showing a joint structure of two blackboards according to the present invention; FIG. 3 is a schematic view of the folded configuration of the present invention; FIG. 4 is an enlarged view of section I of FIG. 1; fig. 5 is a schematic top view of the connection between the blackboard and the slide rail according to the present invention.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 5, the present invention provides an embodiment of an audio-visual apparatus for teaching which is easy to install. Including supporting leg 1, 1 vertical installation of supporting leg, supporting leg 1 can be two along the whole vertical center line of symmetry installation of this device, also can be many even installations, this embodiment adopts two to follow the mode setting of 1 along the whole vertical center line symmetry installation of this device of supporting leg, 1 primary function of supporting leg is for supporting this device wholly makes this device wholly reach the take the altitude, the student observes when being convenient for to teach, supporting leg 1 can be the montant, also can be for the telescopic link of vertical installation, this embodiment is preferred to be the telescopic link, the benefit of using the telescopic link can adjust the holistic height of this device, can adjust the telescopic link height of this device to using crowd's demand during use this device, make this device reach the best use height, avoid this device too high or short influence to use, it is more convenient to make this device wholly use.

Gyro wheel 2 is installed to the bottom of supporting leg 1, gyro wheel 2 of 1 bottom of every supporting leg can be one also can be a plurality ofly, gyro wheel 2 can be the universal wheel, also can be other kinds of wheel, this embodiment adopts three universal wheel to be annular evenly distributed in supporting leg 1 bottom, and be connected with supporting leg 1 bottom through connecting rod 3, the purpose is for making this device stand and possess better stability subaerial, overturn when avoiding using, make this device possess the function of turning to simultaneously at the in-process that removes, the bottom is equipped with gyro wheel 2 and can promotes this device and remove, need the push-and-pull when using this device simultaneously, installation gyro wheel 2 can reduce the frictional force of supporting leg 1 bottom and ground production when push-and-pull, it is more convenient to make this device use.

The upper ends of the supporting legs 1 are respectively connected with the bottoms of the corresponding blackboards 4 in a welding mode, and can also be in a threaded detachable connection mode or other connection modes.

The edge that is close to the outside of blackboard 4 is equipped with the protection piece 7 of L shape, the material of protection piece 7 can be metal, plastics, wood etc., the effect is the corner in order to protect blackboard 4, avoid in the transportation or at ordinary times the use in the collision leads to blackboard 4 to damage, the influence is used, install the protection piece 7 of L shape simultaneously, protection piece 7 through L shape is connected with supporting leg 1, can make the installation more convenient, in this embodiment, the corner at the protection piece 7 of L shape has still carried out the radius angle and has handled, the purpose of design like this is in order to make this device wholly seem more pleasing to the eye, avoid this device to collide when ordinary use simultaneously, cause the damage to peripheral crowd.

The upper end and the lower end of the white board 4 are both fixedly provided with a slide rail 5, the slide rail 5 is horizontally arranged, the corners of two ends close to the two black boards 4 are fixedly provided with a slide block 8, the two black boards 4 are matched and connected with the slide block 8 through the two horizontally arranged slide rails 5 arranged at the upper end and the lower end, the slide block 8 is in sliding connection with the slide rails 5, the slide block 8 can rotate in the slide rails 5, as shown in figure 1, a fixedly arranged white board 6 is also arranged between the two slide rails 5, the length of the slide rail 5 is larger than the length of the edge of the white board 6 connected with the slide rails 5, the vertical central line of the white board 6 is aligned with the vertical central line corresponding to the slide rails 5, the white board 6 is fixedly connected with the two slide rails 5, the horizontal central line of the white board 6 is aligned with the horizontal central line of the black board 4, when the two black boards 4 are pulled from both sides, the white board 6 is positioned in the middle square frame formed between the two black boards 4 and the two horizontally arranged slide rails 5, as shown in fig. 2, when the two blackboards 4 are folded, the white board 6 is hidden behind the blackboards 4.

The upper and lower both sides that the slide rail 5 at blank 6 upper and lower both ends corresponds are equipped with audio amplifier 10, as shown in fig. 1~3, and the audio amplifier is preferred for the wireless audio amplifier through the bluetooth connection, can be detachable between audio amplifier 10 and the slide rail 5 and be connected, also can be fixed connection, and the audio amplifier can be connected the audio frequency that projection equipment broadcast corresponds.

As shown in fig. 1, when the blackboard is pulled to both sides of the whiteboard, the image picture can be projected onto the whiteboard 6 through the projection device, and when the sound matching is required, the students can learn through the projection picture on the whiteboard and the audio emitted by the sound box by connecting the sound box with the projection device.

As shown in the figure, the parts, close to the edges, of the two slide rails 5 are provided with stop blocks 9, and the stop blocks 9 are fixedly connected with the slide rails, so that the damage caused by the fact that the slide rails 5 are pulled out of the blackboard is avoided.

When blackboard 4 pulls out 6 both sides of blank, blackboard 4 can be rotatory around the vertical line that forms between two sliders that correspond, the benefit of design like this is that the projection effect on the blank 6 can be influenced by outside light when the projection, light is stronger the more poor image effect that projects on blank 6, light can lead to the influence on blank 6 to see clearly when too strong, the operation of being not convenient for also can't reach the result of use when teaching, influence the teaching progress, the too poor user's influence of projection effect is watched the learning effect, when using this device, when light is too strong, can't see the content on the blank clearly, can shelter from outside light with the rotatory certain angle of blackboard to the angle of illumination of light, improve projection equipment to the blank's projection effect simultaneously, it can make projected definition obtain improving to shelter from outside light.

When the area of the blackboard required to be used is small or the blackboard is required to be stored, the blackboard can be pulled out and rotated for a circle, as shown in fig. 4, the blackboard is mutually folded, and the storage is convenient.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an audio-visual device is used in teaching easy to assemble which characterized in that: including blank (6), install audio amplifier (10) on blank (6), still include a plurality of blackboards (4) of being connected with the blank through slider, blackboard (4) downside is equipped with supporting leg (1), can show the image that projection equipment throws through blank (6), blackboard (4) that slider can push-and-pull correspond make adjacent blackboard (4) joint or part, blackboard (4) are drawn after separately to slider edge can be adjusted and the contained angle between blank (6) reaches the effect of sheltering from light.

2. An easy-to-install audio-visual teaching apparatus according to claim 1, further comprising: the blackboard eraser is characterized in that a plurality of rollers (2) are arranged on the lower sides of the supporting legs (1), the rollers (2) can facilitate the movement of the blackboard eraser, and meanwhile, the blackboard eraser can assist the push-and-pull of a blackboard (4).

3. An easy-to-install audio-visual teaching apparatus according to claim 1 or 2, wherein: the corner edge of the non-joint side corresponding to the blackboard (4) is provided with a protection block (7), and the corner of the protection block (7) which is L-shaped is chamfered.

4. An easy-to-install audio-visual teaching apparatus according to claim 3, further comprising: the sliding device comprises a sliding block (8) fixedly installed on the upper side and the lower side of the blackboard (4) and two sliding rails (5) fixedly installed on the upper side and the lower side of the whiteboard (6), the length of each sliding rail (5) is larger than the length of the two upper edges and the lower edges of the whiteboard (6), and the sliding block (8) is in sliding connection with the sliding rails (5).

5. An easy-to-install audio-visual teaching apparatus according to claim 4, further comprising: slide rail (5) both sides edge be equipped with dog (9), dog (9) and slide rail (5) fixed connection set up dog (9) and can avoid slider (8) to pull out the slide rail (5) outside.

6. An easy-to-install audio-visual teaching apparatus according to claim 5, further comprising: the sliding block (8) can rotate in the sliding rail (5), when the blackboard (4) is pulled to the two sides of the whiteboard (6) towards the corresponding primary side, the sliding block (8) rotates in the sliding rail (5) to enable the blackboard (4) to rotate around the sliding block (8), and an angle is formed between the blackboard (4) and the whiteboard (6).

7. An easy-to-install audio-visual teaching apparatus according to claim 6, further comprising: the slide rail (5) is provided with a sound box, and the sound box (10) can be connected with the projection device.