CN214405285U

CN214405285U - Multimedia auxiliary supporting device for classroom

Info

Publication number: CN214405285U
Application number: CN202120193068.1U
Authority: CN
Inventors: 涂房东
Original assignee: Guangzhou Zhengyi Information Technology Co ltd
Current assignee: Guangzhou Zhengyi Information Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-15
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a multimedia auxiliary supporting device for classroom, including protective housing, motor and chamber door, the first installing frame of Contraband type structure of one side inner wall fixedly connected with of protective housing, the inside of first installing frame is equipped with the motor, the drive end level of motor sets up and the reciprocal screw rod of fixedly connected with, the tip that the motor was kept away from to reciprocal screw rod rotates the fixed plate that is connected with vertical setting through the bearing, the top fixed connection of fixed plate is in the top inner wall of protective housing, the thread bush is equipped with the movable block on the reciprocal screw rod, is located the top of reciprocal screw rod is equipped with horizontally keeps the pole, keep the pole to slide and pass the through-hole of seting up on the movable block, keep the pole one end fixed connection in the inner wall of protective housing that is close to the motor, keep the pole to keep keeping the one end fixed connection in the fixed plate that the motor. The utility model improves the adjusting effect of the supporting column; the projector can be stored.

Description

Multimedia auxiliary supporting device for classroom

Technical Field

The utility model relates to a strutting arrangement specifically is a classroom multimedia assists strutting arrangement, belongs to multi-media technical field.

Background

The projecting apparatus, in the multimedia teaching activity, the most often need use the projecting apparatus to assist the teaching, can be with video or image projection equipment on the curtain, can be connected with the computer through different interfaces and broadcast corresponding video signal.

When the picture put on the screen by the projector is incomplete, the height of the support frame needs to be adjusted, and the support frame is too large, so that the adjustment effect is poor, and the picture cannot be completely put; and the existing projector support frame can not store the projector after being used, so that dust can be generated on the surface of the projector.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a classroom multimedia auxiliary supporting device, which improves the adjusting effect of the projector; can deposit the projecting apparatus, prevent that the surface of projecting apparatus from producing the dust.

The utility model realizes the above purpose by the following technical proposal, a classroom multimedia auxiliary supporting device comprises a protective box, a motor and a box door, wherein the inner wall of one side of the protective box is fixedly connected with a first mounting frame with Contraband type structure, the inside of the first mounting frame is provided with the motor, the driving end of the motor is horizontally arranged and fixedly connected with a reciprocating screw rod, the end part of the reciprocating screw rod far away from the motor is rotatably connected with a vertically arranged fixed plate through a bearing, the top end of the fixed plate is fixedly connected with the inner wall of the top end of the protective box, a movable block is sleeved on the reciprocating screw rod by a thread, a horizontal retaining rod is arranged above the reciprocating screw rod, the retaining rod slides and passes through a through hole arranged on the movable block, one end of the retaining rod near the motor is fixedly connected with the inner wall of the protective box, and the other end of the retaining rod far away from the motor is fixedly connected with the fixed plate, the bottom fixedly connected with connecting plate of movable block, one side fixedly connected with of first installing frame is kept away from to the connecting plate has the second installing frame that the level set up, the second installing frame is Contraband type structure, one side breach fixedly connected with riser of second installing frame, the inside of second installing frame is equipped with the horizontally platform of placing, second installing frame bottom center department set up threaded hole, the internal thread of screw hole is connected with the threaded rod, the threaded rod passes the screw hole and rotates through the bearing and connect in the bottom of placing the platform, the equal fixedly connected with telescopic link in bottom four corners of placing the platform, the bottom fixed connection of telescopic link is in the bottom inner wall of second installing frame.

Preferably, one side of the protective box, which is far away from the motor, is provided with an opening and is hinged with a box door through a hinge, and the end part of the box door, which is far away from the hinge, is connected with the protective box through a hasp.

Preferably, in order to support the protective box, the bottom end of the protective box is fixedly connected with a supporting column, and the bottom end of the supporting column is fixedly connected with a base.

Preferably, in order to prevent the projector from moving out of the second mounting frame, a non-slip pad is bonded to the top end of the placing table.

Preferably, in order to dissipate heat inside the protection box, a plurality of heat dissipation holes arranged in a matrix are formed in the box wall of the protection box below the first installation frame, and a filter screen covering the plurality of heat dissipation holes is fixedly connected to the outer wall of the box body on one side of the protection box, which is provided with the plurality of heat dissipation holes.

The utility model has the advantages that: through the design of the threaded rod, the threaded hole, the placing table, the second mounting frame and the telescopic rod, the threaded rod moves upwards by rotating the threaded rod, the placing table moves upwards along with the threaded rod, and the height of the projector is convenient to adjust as the placing table is used for supporting the projector, so that the adjusting effect of the projector is improved, and the using effect is better;

through the design of protective housing, motor, reciprocal screw rod, movable block and second installing frame, it is rotatory through the reciprocal screw rod of motor drive for movable block on the reciprocal screw rod is close to the motor gradually, thereby with inside the second installing frame immigration protective housing, and then can deposit the projecting apparatus, prevent that the surface of projecting apparatus from producing the dust, structural design is more ingenious.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

fig. 4 is a front view of the protective case of fig. 1 according to the present invention.

In the figure: 1. protective housing, 2, motor, 3, movable block, 4, keep pole, 5, reciprocal screw rod, 6, first installing frame, 7, fixed plate, 8, connecting plate, 9, second installing frame, 10, place the platform, 11, riser, 12, chamber door, 13, threaded rod, 14, screw hole, 15, support column, 16, base, 17, telescopic link, 18, louvre.

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. 1-4, a classroom multimedia auxiliary supporting device comprises a protective box 1, a motor 2 and a box door 12, wherein a first mounting frame 6 with Contraband type structure is fixedly connected to the inner wall of one side of the protective box 1, the motor 2 is arranged inside the first mounting frame 6, a reciprocating screw 5 is horizontally arranged and fixedly connected to the driving end of the motor 2, a vertically arranged fixing plate 7 is rotatably connected to the end of the reciprocating screw 5 far away from the motor 2 through a bearing, the top end of the fixing plate 7 is fixedly connected to the inner wall of the top end of the protective box 1, a movable block 3 is sleeved on the reciprocating screw 5 in a threaded manner, a horizontal retaining rod 4 is arranged above the reciprocating screw 5, the retaining rod 4 slides through a through hole formed in the movable block 3, one end of the retaining rod 4 close to the motor 2 is fixedly connected to the inner wall of the protective box 1, one end of the retaining rod 4 far away from the motor 2 is fixedly connected to the fixing plate 7, bottom fixedly connected with connecting plate 8 of movable block 3, one side fixedly connected with level that first installing frame 6 was kept away from to connecting plate 8 sets up second installing frame 9, second installing frame 9 is Contraband type structure, one side breach fixedly connected with riser 11 of second installing frame 9, the inside of second installing frame 9 is equipped with the horizontally platform 10 of placing, second installing frame 9 bottom center department sets up threaded hole 14, threaded hole 14's internal thread connection has threaded rod 13, threaded rod 13 passes threaded hole 14 and rotates through the bearing and connect in the bottom of placing platform 10, the equal fixedly connected with telescopic link 17 in bottom four corners of placing platform 10, the bottom fixed connection of telescopic link 17 is in the bottom inner wall of second installing frame 9.

As a technical optimization scheme of the utility model, guard box 1 keeps away from one side of motor 2 and has seted up the opening and articulated through the hinge have chamber door 12, and chamber door 12 keeps away from the tip of hinge and passes through the hasp to be connected with guard box 1.

As a technical optimization scheme of the utility model, the bottom fixedly connected with support column 15 of protective housing 1, the bottom fixedly connected with base 16 of support column 15 can support protective housing 1.

As a technical optimization scheme of the utility model, the top of placing platform 10 bonds and has the slipmat, prevents that the projecting apparatus from shifting out second installing frame 9.

As a technical optimization scheme, a plurality of louvres 18 that are the matrix arrangement are seted up to the tank wall that protective housing 1 is located 6 below the first installing frame, and protective housing 1 is equipped with the filter screen that one side box outer wall fixedly connected with of a plurality of louvres 18 covers a plurality of louvres 18, is convenient for to the 1 inside heat dissipation of protective housing.

When the utility model is used, the projector is placed on the placing table 10, the threaded rod 13 moves upwards by rotating the threaded rod 13, and the placing table 10 moves upwards along with the threaded rod 13, so that the height of the projector can be conveniently adjusted, the adjusting effect of the projector is further improved, and the using effect is better;

the starter motor 2, the reciprocal screw rod 5 of motor 2 drive is rotatory for movable block 3 on the reciprocal screw rod 5 is close to motor 2 gradually, thereby moves into protective housing 1 with 9 frames of second installation inside, and then can deposit the projecting apparatus, prevents that the surface of projecting apparatus from producing the dust, and reciprocal screw rod 5 is rotatory in the opposite direction, can shift out protective housing 1 with second installing frame 9, thereby can the normal use projecting apparatus, and structural design is ingenious more has the practicality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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 classroom multimedia assists strutting arrangement, includes guard box (1), motor (2) and chamber door (12), its characterized in that: the inner wall of one side of the protection box (1) is fixedly connected with a first installation frame (6) of an Contraband type structure, a motor (2) is arranged inside the first installation frame (6), the driving end of the motor (2) is horizontally arranged and fixedly connected with a reciprocating screw (5), the end part, far away from the motor (2), of the reciprocating screw (5) is rotatably connected with a vertically arranged fixing plate (7) through a bearing, the top end of the fixing plate (7) is fixedly connected with the inner wall of the top end of the protection box (1), a movable block (3) is sleeved on the reciprocating screw (5) in a threaded manner, a horizontal retaining rod (4) is arranged above the reciprocating screw (5), the retaining rod (4) slides through a through hole formed in the movable block (3), one end, close to the motor (2), of the retaining rod (4) is fixedly connected to the inner wall of the protection box (1), one end, far away from the motor (2), of the retaining rod (4) is fixedly connected to the fixing plate (7), the bottom end of the movable block (3) is fixedly connected with a connecting plate (8), one side of the connecting plate (8) far away from the first mounting frame (6) is fixedly connected with a second mounting frame (9) which is horizontally arranged, the second mounting frame (9) is of an Contraband-shaped structure, a vertical plate (11) is fixedly connected with a notch on one side of the second mounting frame (9), a horizontal placing table (10) is arranged inside the second mounting frame (9), a threaded hole (14) is formed in the center of the bottom end of the second mounting frame (9), the inner thread of the threaded hole (14) is connected with a threaded rod (13), the threaded rod (13) passes through the threaded hole (14) and is rotatably connected with the bottom end of the placing table (10) through a bearing, the bottom four corners of the placing table (10) are fixedly connected with telescopic rods (17), and the bottom end of each telescopic rod (17) is fixedly connected to the inner wall of the bottom end of the second mounting frame (9).

2. The classroom multimedia auxiliary support device as described in claim 1, wherein: the protective box is characterized in that one side, far away from the motor (2), of the protective box (1) is provided with an opening and is hinged to a box door (12) through a hinge, and the end, far away from the hinge, of the box door (12) is connected with the protective box (1) through a hasp.

3. The classroom multimedia auxiliary support device as described in claim 1, wherein: the bottom fixedly connected with support column (15) of guard box (1), the bottom fixedly connected with base (16) of support column (15).

4. The classroom multimedia auxiliary support device as described in claim 1, wherein: the top end of the placing table (10) is bonded with a non-slip mat.

5. The classroom multimedia auxiliary support device as described in claim 1, wherein: the protective box is characterized in that a plurality of heat dissipation holes (18) which are arranged in a matrix mode are formed in the box wall of the protective box (1) below the first mounting frame (6), and a filter screen covering the plurality of heat dissipation holes (18) is fixedly connected to the outer wall of the box body on one side of the protective box (1) where the plurality of heat dissipation holes (18) are formed.