CN211315701U

CN211315701U - Digital media projector convenient to installation

Info

Publication number: CN211315701U
Application number: CN201922289279.0U
Authority: CN
Inventors: 狄丞
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-21
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a digital media projector convenient to installation, the sound insulation protective wall comprises a wall body, the below of wall body is equipped with the fixed plate, the below of fixed plate is equipped with symmetrical inflation screw, the bottom surface fixedly connected with electric putter of fixed plate, the symmetrical telescopic link of bottom surface fixedly connected with of fixed plate, two the equal fixedly connected with fixed plate in a side that the telescopic link is close to each other, two the one end that the fixed plate is close to each other all is connected with electric putter's external surface fixed. This digital media projector convenient to installation through being provided with fixed plate cooperation expansion screw, can fix electric putter and telescopic link, fixes the connecting plate through electric putter and telescopic link, has solved and has need fix the problem of difficult installation with the bolt, can make fixed frame remove, has played the effect of adjusting the projector size, has solved the problem that different model size projectors need different fixed frames.

Description

Digital media projector convenient to installation

Technical Field

The utility model relates to a teaching equipment technical field specifically is a digital media projector convenient to installation.

Background

The teaching instrument refers to an instrument for teaching or scientific research in teaching and scientific research units. Teaching instruments can be divided into two main categories of experiments and practical training and are mainly applied to various industries such as physics and engineering, along with the development of electronic technology, the application of multimedia teaching is more and more extensive, and the application of the teaching instruments in classroom is gradually developed, however, special equipment needs to be configured in the classroom for creating the application of multimedia teaching at present.

In the rural school of china, the current classroom teaching mode is mostly still that the teacher stands on the podium and carries out blackboard-writing formula teaching with the chalk, this kind of method can cause a large amount of chalk dust, can arouse environmental pollution, influence the health, environmental protection inadequately, and the teacher stands on the blackboard and writes not only very tired, and inefficiency, but current projector, need fix difficult installation with the bolt, the big or small fixing base that needs different model projectors in addition, for this reason, we provide the digital media projector of being convenient for to install and solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a digital media projector convenient to install to solve the problem proposed in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a digital media projector convenient to install comprises a wall body, wherein a first fixing plate is arranged below the wall body, symmetrical expansion screws are arranged below the first fixing plate, an electric push rod is fixedly connected to the bottom surface of the first fixing plate, symmetrical telescopic rods are fixedly connected to the bottom surface of the first fixing plate, a second fixing plate is fixedly connected to one side surface, close to each other, of each telescopic rod, one end, close to each other, of each second fixing plate is fixedly connected with the outer surface of the electric push rod, a connecting plate is fixedly connected to the output end of the electric push rod, symmetrical fixing frames are arranged below the connecting plate, a projector is arranged between the two fixing frames, a pressure resisting plate is arranged inside each fixing frame, symmetrical sliding grooves are fixedly connected to the bottom surface of the connecting plate, and a sliding block is arranged inside each sliding groove, every the bottom surface of slider all is connected with the last fixed surface of fixed block, two a side that fixed frame kept away from each other all sets up threaded hole, two one side that fixed frame kept away from each other all is equipped with the staple, two a side fixed connection that the one end that is close to each other of staple all runs through the threaded hole and keeps away from each other with the resistance to compression board.

Preferably, one side surfaces, close to each other, of the two pressure-resistant plates are fixedly connected with pressure-resistant pads, and one side surfaces, far away from each other, of the two pressure-resistant pads are in contact with the left side surface and the right side surface of the projector.

Preferably, every the equal fixedly connected with slide bar of inside wall of spout, every the left surface of slide bar all runs through the slider and with the inside wall fixed connection of spout.

Preferably, a rubber pad is fixedly connected to the inner bottom wall of each fixing groove, and the upper surface of each rubber pad is fixedly connected to the bottom surface of the projector.

Preferably, symmetrical mounting holes are formed in the bottom surface of the first fixing plate, and the top end of each expansion screw penetrates through the mounting hole and extends into the wall.

Preferably, the outer surface of the electric push rod is fixedly connected with symmetrical triangular plates, and the upper surface of each triangular plate is fixedly connected with the bottom surface of the first fixing plate.

Advantageous effects

The utility model discloses possess following beneficial effect:

1. the connecting plate can be moved up and down by arranging the electric push rod, so that the effect of moving the connecting plate up and down is achieved, the effect that the connecting plate is more stable when moving up and down is achieved by the telescopic rod, the telescopic rod can be driven to move up and down by arranging the second fixing plate, the problem of inclination in the process of ascending or descending is avoided, the electric push rod and the telescopic rod can be fixed by arranging the first fixing plate and matching with the expansion screw, the connecting plate is fixed by the electric push rod and the telescopic rod, and the problem that the connecting plate is fixed by bolts and is difficult to install is solved;

2. through the cooperation that sets up staple and screw hole, can remove the dynamic resistance board, through the removal of resistance board, can fix the projector, improved the stability of projector, through the cooperation of spout and slider, can make fixed frame remove, through the removal of fixed frame, played the effect of adjusting the projector size, solved the problem that different model size projectors need different fixed frames.

Drawings

Fig. 1 is a sectional view of a front view of a fixing frame of the present invention;

FIG. 2 is a cross-sectional view of a front view of the connection plate of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: the device comprises a wall body 1, a first fixing plate 2, a mounting hole 3, an expansion screw 4, an electric push rod 5, a telescopic rod 6, a second fixing plate 7, a connecting plate 8, a fixing frame 9, a projector 10, a sliding chute 11, a sliding block 12, a sliding rod 13, a threaded hole 14, a fixing nail 15, a pressure-resistant plate 16, a pressure-resistant pad 17, a rubber pad 18 and a triangular plate 19.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a digital media projector convenient to install comprises a wall body 1, a first fixing plate 2 is arranged below the wall body 1, symmetrical mounting holes 3 are formed in the bottom surface of the first fixing plate 2, the top end of each expansion screw 4 penetrates through the mounting holes 3 and extends into the wall body 1, installation of the first fixing plate 2 is achieved, the fixing effect of the first fixing plate 2 is improved, symmetrical expansion screws 4 are arranged below the first fixing plate 2, an electric push rod 5 is fixedly connected to the bottom surface of the first fixing plate 2, symmetrical triangular plates 19 are fixedly connected to the outer surface of the electric push rod 5, the upper surface of each triangular plate 19 is fixedly connected with the bottom surface of the first fixing plate 2, the stability of the electric push rod 5 is improved, the phenomenon that the electric push rod 5 falls off is avoided, symmetrical telescopic rods 6 are fixedly connected to the bottom surface of the first fixing plate 2, a second fixing plate 7 is fixedly connected to one side surface, close to each other, of the two telescopic rods 6, the one end that two second fixed plates 7 are close to each other all is connected with electric putter 5's surface fixed connection, electric putter 5's output fixedly connected with connecting plate 8, the below of connecting plate 8 is equipped with symmetrical fixed frame 9, the equal fixedly connected with rubber pad 18 of the inner diapire of every fixed slot 9, the upper surface of every rubber pad 18 all with the bottom surface fixed connection of projector 10, the placing to projector 10 has been reached, projector 10 stability has been improved, be equipped with projector 10 between two fixed frames 9, the inside of every fixed frame 9 all is equipped with the anti-pressure plate 16, the equal fixedly connected with anti-pressure pad 17 of the side that is close to each other of two anti-pressure plates 16, the side that two anti-pressure pads 17 kept away from each other all contacts with the left and right sides face of projector 10, the protection to projector 10 has been reached, the problem that projector 10 takes place the removal has been avoided.

The symmetrical spout 11 of bottom surface fixedly connected with of connecting plate 8, the equal fixedly connected with slide bar 13 of inside wall of every spout 11, the left surface of every slide bar 13 all run through slider 12 and with the inside wall fixed connection of spout 11, reached the slip to spout 11, the problem that spout 11 takes place to block is avoided, the inside of every spout 11 all is equipped with slider 12, the bottom surface of every slider 12 all is connected with the last fixed surface of fixed block 9, threaded hole 14 has all been seted up to a side that two fixed frames 9 kept away from each other, one side that two fixed frames 9 kept away from each other all is equipped with staple 15, a side fixed connection that threaded

hole

14 and 16 each other kept away from with the resistance to compression plate are all run through to the one end that is close to each other of two staple.

The working principle is as follows: first, electric putter 5 is linked together with the power, then install first fixed plate 2 on wall body 1, fix first fixed plate 2 through expansion screw 4, power through electric putter 5 provides, can reciprocate connecting plate 8, through telescopic link 6, can guarantee that connecting plate 8 is more stable when reciprocating, through second fixed plate 7, can drive telescopic link 6 and reciprocate, through the cooperation of spout 11 and slider 12, can make fixed frame 9 remove, through the removal of fixed frame 9, can adjust the size of projector 10, through the cooperation of staple 15 and screw hole 14, can drive resist board 16 and remove, through the removal of resist board 16, can fix projector 10, the stability of projector 10 has been improved.

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 digital media projector for easy installation, comprising a wall (1), characterized in that: the wall body is characterized in that a first fixing plate (2) is arranged below the wall body (1), symmetrical expansion screws (4) are arranged below the first fixing plate (2), an electric push rod (5) is fixedly connected to the bottom surface of the first fixing plate (2), symmetrical telescopic rods (6) are fixedly connected to the bottom surface of the first fixing plate (2), two telescopic rods (6) are fixedly connected to a side surface, close to each other, of the two telescopic rods (7) respectively, a connecting plate second fixing plate (7) is fixedly connected to the outer surface of the electric push rod (5), one end, close to each other, of each second fixing plate (7) is fixedly connected to the outer surface of the corresponding electric push rod (5), a connecting plate (8) is fixedly connected to the output end of each electric push rod (5), symmetrical fixing frames (9) are arranged below the connecting plate (8), two projectors (10) are arranged between the fixing frames (9, the symmetrical spout (11) of bottom surface fixedly connected with of connecting plate (8), every the inside of spout (11) all is equipped with slider (12), every the bottom surface of slider (12) all with the last fixed surface of fixed frame (9) be connected, two a side that fixed frame (9) kept away from each other all sets up threaded hole (14), two one side that fixed frame (9) kept away from each other all is equipped with staple (15), two a side fixed connection that threaded hole (14) and anti clamp plate (16) kept away from each other all runs through to the one end that is close to each other of staple (15).

2. An easily installable digital media projector as in claim 1 wherein: one side surfaces, close to each other, of the two pressure resistant plates (16) are fixedly connected with pressure resistant pads (17), and one side surfaces, far away from each other, of the two pressure resistant pads (17) are in contact with the left side surface and the right side surface of the projector (10).

3. An easily installable digital media projector as in claim 1 wherein: every the equal fixedly connected with slide bar (13) of inside wall of spout (11), every the left surface of slide bar (13) all runs through slider (12) and with the inside wall fixed connection of spout (11).

4. An easily installable digital media projector as in claim 1 wherein: the inner bottom wall of each fixed frame (9) is fixedly connected with a rubber pad (18), and the upper surface of each rubber pad (18) is fixedly connected with the bottom surface of the projector (10).

5. An easily installable digital media projector as in claim 1 wherein: symmetrical mounting holes (3) are formed in the bottom face of the first fixing plate (2), and the top end of each expansion screw (4) penetrates through the mounting holes (3) and extends into the wall body (1).

6. An easily installable digital media projector as in claim 1 wherein: the outer surface of the electric push rod (5) is fixedly connected with symmetrical triangular plates (19), and the upper surface of each triangular plate (19) is fixedly connected with the bottom surface of the first fixing plate (2).