CN211779864U

CN211779864U - Mounting structure of multimedia teaching projecting apparatus

Info

Publication number: CN211779864U
Application number: CN202020389205.4U
Authority: CN
Inventors: 曹建磊; 吕部
Original assignee: Bengbu College
Current assignee: Bengbu College
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-27
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an installation structure of a multimedia teaching projector, which comprises a wall body, an installation frame and an installation plate, wherein two ends of the installation frame are respectively and fixedly installed on the surface of the wall body and the installation plate, a ball head connecting rod is arranged in the middle of the installation plate, a ball head end ball pair of the ball head connecting rod is connected with a ball pair base, the other end of the ball pair base is fixedly provided with a movable plate, the tail part of the installation plate is sequentially provided with a first fixed seat, a first air cylinder and a second fixed seat, the upper part of the first fixed seat is provided with a second air cylinder, the upper part of the second fixed seat is provided with a third air cylinder, output ends of the second air cylinder and the third air cylinder are respectively and movably provided with a clamping plate, and a first spring is respectively; the utility model provides a current projecting apparatus's angle transform inflexible, can not adapt to the problem of multi-angle transform.

Description

Mounting structure of multimedia teaching projecting apparatus

Technical Field

The utility model belongs to the technical field of the projecting apparatus, concretely relates to mounting structure of multimedia teaching projecting apparatus.

Background

The multimedia classroom is composed of a multimedia computer, a projector, a digital video display platform, a central control system, a projection screen, sound equipment and other modern teaching equipment, is the most important and expensive equipment in the whole multimedia demonstration classroom, is connected with the computer system, all video output systems and the digital video display platform, and displays video and digital signal output on a large screen.

In the prior art, a lifting multimedia device, such as that provided by chinese patent publication No. CN208779082U, includes a projector, a curtain, a bracket, and a reel, where the bracket includes a main support and an adjusting structure, and two ends of the reel are both provided with retractable rods; above-mentioned technical scheme can carry out angle modulation but the angle on the intelligent regulation horizontal direction only, can't carry out multi-angle modulation, uses and receives the restriction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting structure of multimedia teaching projecting apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mounting structure of a multimedia teaching projector, comprising:

the mounting structure comprises a wall body, a mounting rack and a mounting plate, wherein two ends of the mounting rack are fixedly mounted on the surface of the wall body and the surface of the mounting plate respectively.

The middle part of the mounting plate is provided with a ball head connecting rod, a ball head end ball pair of the ball head connecting rod is connected with a ball pair base, the other end of the ball pair base is fixedly provided with a movable plate, the tail part of the mounting plate is sequentially provided with a first fixed seat, a first air cylinder and a second fixed seat, the upper part of the first fixed seat is provided with a second air cylinder, the upper part of the second fixed seat is provided with a third air cylinder, the output ends of the second air cylinder and the third air cylinder are respectively and movably provided with a clamping plate, and a first spring is arranged between the clamping plate and the tail part of the output end of the;

the utility model discloses a safety valve, including fly leaf, dead lever, second spring, mounting panel, baffle, board, dead lever, support plate, second cylinder, third cylinder, support plate, second spring, mounting panel, baffle, support plate, second cylinder, third cylinder, the preceding tip upside of fly leaf is equipped with the baffle, and both sides are equipped with places the board, and the downside is equipped with the spring beam, the cover is equipped with the second spring on the spring beam, and the second spring other end fixes on the mounting panel surface, the middle part of baffle is equipped with the projection mouth, the afterbody both ends of fly leaf are equipped with the dead lever, and the dead lever is located.

Preferably, one end of the first spring is fixedly arranged at the tail parts of the second cylinder and the third cylinder, and the other end of the first spring is fixedly connected with the clamping plate.

Preferably, the clamping plate is slidably mounted at the tail parts of the output ends of the second cylinder and the third cylinder.

Preferably, the first fixing seat, the first air cylinder and the second fixing seat are located on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that: adopt first cylinder, second cylinder and third cylinder cooperation ball pair connecting rod and ball pair base, realize the multi-angle movement of fly leaf, and then realize the multi-angle transformation of projecting apparatus, the angle transformation who has solved current projecting apparatus is inflexible, can not adapt to the problem of multi-angle transformation to whole device simple structure, it is all very convenient to maintain and change parts, has reduced personnel's the work degree of difficulty.

Drawings

Fig. 1 is a rear view schematically illustrating an embodiment of the present invention;

FIG. 2 is a schematic side view of an embodiment of the present invention;

fig. 3 is a schematic front view of an embodiment of the present invention.

In the figure: the device comprises a mounting frame 1, a mounting plate 2, a ball pair connecting rod 21, a ball pair base 22, a first fixed seat 23, a second cylinder 231, a first cylinder 24, a second fixed seat 25, a third cylinder 251, a clamping plate 26, a first spring 27, a movable plate 3, a baffle 31, a spring rod 32, a second spring 33, a projection port 34, a fixed rod 35, a supporting plate 36 and a chute 37.

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:

the mounting structure of the multimedia teaching projector comprises a wall body, a mounting frame 1 and a mounting plate 2, wherein two ends of the mounting frame 1 are fixedly mounted on the surfaces of the wall body and the mounting plate 2 respectively, a ball head connecting rod 21 is arranged in the middle of the mounting plate 2, a ball head end ball pair of the ball head connecting rod 21 is connected with a ball pair base 22, the other end of the ball pair base 22 is fixedly provided with a movable plate 3, the tail of the mounting plate 2 is sequentially provided with a first fixing seat 23, a first air cylinder 24 and a second fixing seat 25, the upper part of the first fixing seat 23 is provided with a second air cylinder 231, the upper part of the second fixing seat 25 is provided with a third air cylinder 251, output ends of the second air cylinder 231 and the third air cylinder 251 are respectively and movably mounted with a clamping plate 26, and first springs 27 are arranged between the clamping plate 26 and the; a baffle 31 is arranged on the upper side of the front end part of the movable plate 3, placing plates are arranged on two sides of the front end part of the movable plate 3, a spring rod 32 is arranged on the lower side of the front end part of the movable plate 3, a second spring 33 is sleeved on the spring rod 32, the other end of the second spring 33 is fixed on the surface of the mounting plate 2, a projection port 34 is arranged in the middle of the baffle 31, fixing rods 35 are arranged at two ends of the tail part of the movable plate 3, the fixing rods 35 are respectively positioned on one side of the output end of the second cylinder 231 and one side of the output end of the third cylinder 251, a resisting plate 36 is arranged in the middle of the tail part of the movable plate 3, the resisting plate 36 is positioned right;

one end of the first spring 27 is fixedly mounted at the tail of the second cylinder 231 and the third cylinder 251, and the other end is fixedly connected with the snap plate 26. The clamping plate 26 is slidably mounted at the tail of the output ends of the second cylinder 231 and the third cylinder 251. The first fixed seat 23, the first cylinder 24 and the second fixed seat 25 are located on the same horizontal line.

As shown in fig. 1, 2 and 3, the projector is used for observing the projection angle of the projector, and if the angle is not adjusted, the device is adjusted by the control cylinder;

when the angle is higher and needs to be adjusted downwards, the first air cylinder 24 is opened directly, the output end of the first air cylinder 24 abuts against the abutting plate 36, so that the end part is lifted, meanwhile, the spring rod 32 at the other end descends, the movable plate 3 slightly compresses the spring, and the angle of the projector is aligned gradually, and if the angle is lower, the steps are opposite;

when the angle is deviated to the left and needs to be adjusted to the right, the second cylinder 231 is directly opened, the output end of the second cylinder 231 penetrates through the chute 37, meanwhile, the fixing rod 35 extrudes the first spring 27 through the clamping plate, when the spring of the side extrudes to be close to the limit, the fixing rod 35 of the other side starts to move, so that the chute 37 in the fixing rod is penetrated through by the output end of the third cylinder 251 on the same side, meanwhile, the fixing rod 35 extrudes the clamping plate 36 on the same side, the two cylinders can be closed after the angle adjustment is finished, and the two cylinders can be always kept stable under the action of the two springs 27, and similarly, if the angle is deviated to the right, the steps are;

when the upper left and lower left and right clipping angles need to be adjusted, the upper and lower angles of the projector are adjusted through the first air cylinder 24, after the adjustment is completed, the projector is adjusted leftwards through the third air cylinder 251 (the specific steps are described in the angle left adjustment explanation), the clipping angle adjustment of the projector can be completed, and if the upper right and lower right angles need to be adjusted, the projector can be adjusted to be like the right angle through the second air cylinder after the upper and lower angles are adjusted through the first air cylinder 24.

The utility model discloses angle of adjustment is free convenient, and adjustable multiple cun drilling angle, has improved user experience.

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 mounting structure of multimedia teaching projecting apparatus, includes wall body, mounting bracket (1), mounting panel (2), the both ends of mounting bracket (1) are fixed mounting respectively on the surface of wall body, mounting panel (2), its characterized in that:

a ball head connecting rod (21) is arranged in the middle of the mounting plate (2), a ball pair base (22) is connected to a ball head end ball pair of the ball head connecting rod (21), a movable plate (3) is fixedly arranged at the other end of the ball pair base (22), a first fixed seat (23), a first air cylinder (24) and a second fixed seat (25) are sequentially arranged at the tail of the mounting plate (2), a second air cylinder (231) is arranged at the upper part of the first fixed seat (23), a third air cylinder (251) is arranged at the upper part of the second fixed seat (25), clamping plates (26) are respectively and movably mounted at the output ends of the second air cylinder (231) and the third air cylinder (251), and first springs (27) are respectively arranged between the clamping plates (26) and the tail of the output ends of the second air cylinder (231);

the utility model discloses a portable air conditioner, including fly leaf (3), preceding tip upside of fly leaf (3) is equipped with baffle (31), and both sides are equipped with places the board, and the downside is equipped with spring beam (32), the cover is equipped with second spring (33) on spring beam (32), and second spring (33) other end is fixed on mounting panel (2) surface, the middle part of baffle (31) is equipped with projection mouth (34), the afterbody both ends of fly leaf (3) are equipped with dead lever (35), and dead lever (35) are located the output one side of second cylinder (231), third cylinder (251) respectively, are equipped with in the middle of the afterbody of fly leaf (3) and support board (36), support board (36) and are located directly over first cylinder (24) output, two dead lever (35) middle part is equipped with spout (37) that match with the output of second cylinder (231), third cylinder (251.

2. The mounting structure of a multimedia teaching projector according to claim 1, wherein: one end of the first spring (27) is fixedly arranged at the tail parts of the second cylinder (231) and the third cylinder (251), and the other end of the first spring is fixedly connected with the clamping plate (26).

3. The mounting structure of a multimedia teaching projector according to claim 1, wherein: the clamping plate (26) is slidably mounted at the tail parts of the output ends of the second cylinder (231) and the third cylinder (251).

4. The mounting structure of a multimedia teaching projector according to claim 1, wherein: the first fixing seat (23), the first air cylinder (24) and the second fixing seat (25) are located on the same horizontal line.