CN211289479U

CN211289479U - Multimedia teaching auxiliary device

Info

Publication number: CN211289479U
Application number: CN201922117869.5U
Authority: CN
Inventors: 栗浩洋
Original assignee: Shanghai Yixue Education Technology Co Ltd
Current assignee: Shanghai Squirrel Classroom Artificial Intelligence Technology Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-18
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a multimedia teaching auxiliary device, which comprises a projector and a bracket, wherein the bracket comprises a supporting plate, two hanging rods and two telescopic rods; the two telescopic rods are arranged in parallel relatively and are horizontally arranged on the same plane; the upper ends of the two hanging rods are respectively connected with the two telescopic rods; the supporting plate is arranged between the lower ends of the two hanging rods, and the projector is arranged on the supporting plate. The utility model discloses it is convenient for install the projecting apparatus in the classroom, and can not occupy the ground space.

Description

Multimedia teaching auxiliary device

Technical Field

The utility model belongs to the teaching device especially relates to a multimedia teaching auxiliary device.

Background

In the multimedia teaching, the projecting apparatus is the equipment that the teaching process often used, and current projecting apparatus adopts eyebolt directly to hang on the ceiling in classroom mostly, perhaps places a support at the classroom and supplies the projecting apparatus installation.

Adopt eye bolt to install the projecting apparatus on the ceiling, need punch, can destroy the ceiling to the construction can take more time.

The support is placed in a classroom for the projector to be installed, and more floor space can be occupied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, provide a multimedia teaching auxiliary device, it is convenient for install the projecting apparatus in the classroom, and can not occupy the ground space.

In order to solve the technical problem, the utility model discloses a technical scheme is: the multimedia teaching auxiliary device comprises a projector and a bracket, wherein the bracket comprises a supporting plate, two hanging rods and two telescopic rods; the two telescopic rods are arranged in parallel relatively and are horizontally arranged on the same plane; the upper ends of the two hanging rods are respectively connected with the two telescopic rods; the supporting plate is arranged between the lower ends of the two hanging rods, and the projector is arranged on the supporting plate.

In the multimedia teaching auxiliary device, the telescopic rod comprises a main rod, two sleeves and two top contact ring pieces; the main rod comprises a front section, a middle section and a rear section; the front section and the rear section are both provided with external thread structures; the two top contact ring pieces are respectively provided with an internal thread structure matched with the external thread, the first top contact ring piece is installed on the front section of the main rod in a threaded manner, and the second top contact ring piece is installed on the rear section of the main rod in a threaded manner; the first sleeve is sleeved on the front section of the main rod, and the rear end of the sleeve is in top contact with the first top contact ring piece; the second sleeve is sleeved on the rear section of the main rod, and the front end of the sleeve is in top contact with the second top contact ring piece; the suspender is connected with the middle section of the main rod.

Above-mentioned multimedia teaching auxiliary device, the cover is equipped with the linear bearing that can follow the middle section and remove on the middle section of mobile jib, the jib is connected with linear bearing.

Above-mentioned multimedia teaching auxiliary device, the last jackscrew that installs of linear bearing, the tip of jackscrew stretches into to the inside top of linear bearing and touches on the middle section of mobile jib.

In the multimedia teaching auxiliary device, the front end of the first sleeve and the rear end of the second sleeve are both provided with the suckers.

In the multimedia teaching auxiliary device, the supporting plate is provided with a sliding groove, one end of the sliding groove faces to the first suspender, and the other end of the sliding groove faces to the second suspender; two clamping blocks which can move along the sliding groove are oppositely arranged on the sliding groove, and the projector is clamped between the two clamping blocks; and a row of mounting holes are respectively distributed on two sides of the sliding groove along the length direction of the sliding groove, and the clamping block is fixed with the mounting holes through bolts.

According to the multimedia teaching auxiliary device, the plurality of mounting holes of each row of mounting holes are uniformly distributed along the length direction of the sliding groove.

Compared with the prior art, the utility model has the following advantage: the utility model discloses an utilize two telescopic links to support between two relative walls in the classroom, utilize frictional force between telescopic link and the wall to make the telescopic link fix between two walls, further messenger's layer board passes through the jib to be fixed on the telescopic link, installs the projecting apparatus on the layer board at last. Support between two walls through the telescopic link to avoid occupying the ground space, and need not punch the installation, install convenient quick.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of fig. 1 with the projector removed.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded structure diagram of the telescopic rod.

Description of reference numerals:

1-a projector; 2-a supporting plate; 3, a suspender;

4, a telescopic rod; 5-linear bearing; 6-top thread;

7, a sucker; 8, a chute; 9-a clamping block;

10-mounting holes;

4-1-main rod; 4-2-casing; 4-3-top contact ring piece.

Detailed Description

As shown in fig. 1 and 2, the present invention includes a projector 1, and further includes a bracket, where the bracket includes a supporting plate 2, two hanging rods 3 and two telescopic rods 4; the two telescopic rods 4 are arranged in parallel relatively and are horizontally arranged on the same plane; the upper ends of the two hanging rods 3 are respectively connected with the two telescopic rods 4; the supporting plate 2 is arranged between the lower ends of the two hanging rods 3, and the projector 1 is arranged on the supporting plate 2.

During the in-service use, extend through two telescopic links 4, support between two walls in the classroom to realize the fixed of layer board 2, further realization projecting apparatus 1's installation, simple to operate is swift, need not punch, and can not occupy the ground space.

As shown in fig. 4, in the present embodiment, the telescopic rod 4 comprises a main rod 4-1, two sleeves 4-2 and two top contact ring members 4-3; the main rod 4-1 comprises a front section, a middle section and a rear section; the front section and the rear section are both provided with external thread structures; the two top contact ring pieces 4-3 are respectively provided with an internal thread structure matched with the external thread, the first top contact ring piece 4-3 is installed on the front section of the main rod 4-1 in a threaded manner, and the second top contact ring piece 4-3 is installed on the rear section of the main rod 4-1 in a threaded manner; the first sleeve 4-2 is sleeved on the front section of the main rod 4-1, and the rear end of the sleeve 4-2 is in contact with the first top contact ring piece 4-3; the second sleeve 4-2 is sleeved on the rear section of the main rod 4-1, and the front end of the sleeve 4-2 is in top contact with the second top contact ring piece 4-3; the suspender 3 is connected with the middle section of the main rod 4-1.

It should be noted that the telescopic function of the telescopic rod 4 is to realize the telescopic action by the rotating movement of the top contact ring 4-3 along the main rod 4-1 and the movement of the top contact ring 4-3 against the sleeve 4-2. In practical use, the sleeve 4-2 is firstly propped against the wall, and then the propping ring piece 4-3 is rotated to prop against the sleeve 4-2, so that the telescopic rod 4 is supported between the walls. Compared with a telescopic rod consisting of a traditional threaded sleeve and a traditional screw rod, the telescopic rod 4 structure only needs to rotate the top contact ring piece 4-3 when in use, the top contact ring piece 4-3 is shorter and convenient to rotate, and when the telescopic rod is actually supported on a wall, a user can apply a certain anti-rotation force to the sleeve 4-2, so that the sleeve 4-2 is not driven to rotate by the rotation of the top contact ring piece 4-3, and the end part of the sleeve 4-2 is prevented from rotating and drilling the surface of the wall.

As shown in fig. 2, in the present embodiment, a linear bearing 5 capable of moving along the middle section is sleeved on the middle section of the main rod 4-1, and the suspension rod 3 is connected with the linear bearing 5.

By arranging the linear bearing 5, the suspension rod 3 can move back and forth smoothly along the middle section of the main rod 4-1 so as to adjust the distance between the projector 1 and the projection wall cloth.

In this embodiment, the linear bearing 5 is provided with a jackscrew 6, and an end of the jackscrew 6 extends into the linear bearing 5 and is pressed against the middle section of the main rod 4-1.

By arranging the jackscrew 6, after the linear bearing 5 moves to the target position along the middle section of the main rod 4-1, the jackscrew 6 is rotated to fix the linear bearing 5 and the main rod 4-1, so that the linear bearing is difficult to move, further, the position of the supporting plate 2 is fixed, and finally, the position of the projector 1 is fixed.

In this embodiment, the front end of the first sleeve 4-2 and the rear end of the second sleeve 4-2 are both provided with suction cups 7. The purpose of the arrangement of the suction cups 7 is to prevent the ends of the sleeves 4-2 from crushing the surface of the wall.

As shown in fig. 2 and 3, in this embodiment, a sliding groove 8 is formed on the supporting plate 2, one end of the sliding groove 8 faces the first suspension rod 3, and the other end of the sliding groove 8 faces the second suspension rod 3; two clamping blocks 9 which can move along the sliding groove 8 are oppositely arranged on the sliding groove 8, and the projector 1 is clamped between the two clamping blocks 9; a row of mounting holes 10 are respectively distributed on two sides of the sliding groove 8 along the length direction of the sliding groove 8, and the clamping block 9 is fixed with the mounting holes 10 through bolts.

In this embodiment, the plurality of mounting holes 10 in each row of the mounting holes 10 are uniformly distributed along the length direction of the sliding chute 8.

The utility model discloses during the use, with two telescopic links 4 at suitable high tensile, make telescopic link 4 support between two walls, when telescopic link 4 supported, rotatory top touches ring spare 4-3 top tight sleeve pipe 4-2, the support that makes telescopic link 4 can stabilize is between two walls. Clamping the projector 1 between two clamping blocks 9, and moving the projector 1 along the slide groove 8 at the time of clamping, so that the projector 1 is finely adjusted in the left-right direction as shown in fig. 1; and finally, moving the linear bearing 5 along the middle section of the main rod 4-1, adjusting the position of the supporting plate 2, further moving the position of the projector 1 back and forth, and after the linear bearing 5 is adjusted to a proper position, rotating the jackscrew 6 to fix the linear bearing 5 and the main rod 4-1 so as to fix the final position of the projector 1.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims

1. The multimedia teaching auxiliary device comprises a projector and is characterized by also comprising a bracket, wherein the bracket comprises a supporting plate, two hanging rods and two telescopic rods; the two telescopic rods are arranged in parallel relatively and are horizontally arranged on the same plane; the upper ends of the two hanging rods are respectively connected with the two telescopic rods; the supporting plate is arranged between the lower ends of the two hanging rods, and the projector is arranged on the supporting plate.

2. The multimedia teaching aid according to claim 1, wherein the telescoping rod comprises a main rod, two sleeves and two top contact ring members; the main rod comprises a front section, a middle section and a rear section; the front section and the rear section are both provided with external thread structures; the two top contact ring pieces are respectively provided with an internal thread structure matched with the external thread, the first top contact ring piece is installed on the front section of the main rod in a threaded manner, and the second top contact ring piece is installed on the rear section of the main rod in a threaded manner; the first sleeve is sleeved on the front section of the main rod, and the rear end of the sleeve is in top contact with the first top contact ring piece; the second sleeve is sleeved on the rear section of the main rod, and the front end of the sleeve is in top contact with the second top contact ring piece; the suspender is connected with the middle section of the main rod.

3. The multimedia teaching aid according to claim 2, wherein the main rod is provided at a middle section thereof with a linear bearing movably provided along the middle section, and the suspension rod is connected to the linear bearing.

4. The multimedia teaching aid according to claim 3, wherein a jack screw is installed on the linear bearing, and an end of the jack screw extends into the linear bearing and abuts against the middle section of the main rod.

5. A multimedia teaching aid according to claim 2 wherein the front end of a first said sleeve and the rear end of a second said sleeve are each provided with suction cups.

6. The multimedia teaching aid according to claim 1, wherein the support plate is provided with a sliding groove, one end of the sliding groove faces the first hanging rod, and the other end of the sliding groove faces the second hanging rod; two clamping blocks which can move along the sliding groove are oppositely arranged on the sliding groove, and the projector is clamped between the two clamping blocks; and a row of mounting holes are respectively distributed on two sides of the sliding groove along the length direction of the sliding groove, and the clamping block is fixed with the mounting holes through bolts.

7. The multimedia teaching aid according to claim 6, wherein the plurality of mounting holes of each row of the mounting holes are uniformly arranged in a length direction of the slide groove.