CN212080611U - Wisdom classroom projecting apparatus hoist device - Google Patents

Abstract

The utility model discloses a smart classroom projector hoisting device, which relates to the technical field of smart classrooms. The utility model comprises a mounting plate, a hoisting pipe, a hoisting rod and a hoisting frame; the lower bottom surface of the mounting plate is vertically fixed with the hoisting pipe; the bottom end of the hoisting pipe is rotatably connected to the hoisting rod; A T-shaped limit block is matched and installed in the limit hole; the transverse block is inserted between the two adjacent limit teeth after passing through the limit hole; a rotating connection structure is installed on the top of the hoisting rod; Connecting ring discs and sliding discs. The utility model connects the hoisting pipe and the hoisting rod in the rotating connection structure, and adjusts the position of the horizontal block of the T-shaped limit block between the adjacent two limit teeth; the convenient adjustment of the projection direction of the projector is realized, which is convenient and practical. .

Description

Smart classroom projector hoisting device

technical field

The utility model belongs to the technical field of smart classrooms, in particular to a hoisting device for a projector of a smart classroom.

Background technique

Smart classroom is the existing educational office environment, relying on the Internet of Things technology and electronic equipment, to realize the teaching environment with the help of intelligent teaching equipment. Common intelligent teaching equipment used in smart classrooms include smart lights, multimedia teaching equipment, projectors, and smart blackboards.

The projector equipment in the classroom is mostly hoisted on the ceiling at the top of the classroom, and then projected onto the projection screen hung on the wall, which is convenient for teaching display and communication. Since the position of the projection screen has been fixed in advance when the projection equipment is installed, if there is a positional difference between the projected image and the projection screen, you can only adjust the projection direction of the projector. Therefore, there is a need for a projector ceiling mount device that can easily adjust the projection direction.

In order to solve the above problems, the utility model provides a hoisting device for a projector in a smart classroom.

Utility model content

The purpose of the utility model is to provide a smart classroom projector hoisting device, which connects the hoisting pipe and the hoisting rod through the rotating connection structure, and solves the problem by adjusting the position of the horizontal block of the T-shaped limit block between the adjacent two limit teeth. The existing projector is difficult to adjust the projection direction.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a hoisting device for a smart classroom projector, comprising: a mounting plate, a hoisting pipe, a hoisting rod and a hoisting frame; a hoisting pipe is vertically fixed on the bottom surface of the mounting plate; the bottom end of the hoisting pipe is rotatably connected to a hoisting rod; The bottom end of the rod is fixedly connected to the hoisting frame; the bottom side of the hoisting pipe is provided with a limit hole; the bottom end of the hoisting pipe is fixed with a flange; the top of the hoisting rod is installed with a rotating connection structure;

The rotating connecting structure includes a connecting column, a connecting ring disk and a sliding disc; the connecting column is coaxially installed on the top of the hoisting rod; the connecting ring disk is slidably sleeved on the outer peripheral side of the connecting column; the top of the connecting column is the same as A sliding disc is installed on the axis; a plurality of limit teeth are evenly distributed on the edge of the upper surface of the sliding disc;

The sliding disk is slidably matched on the inner peripheral side of the bottom of the hoisting pipe; the sliding disk and the flange are connected by screws; a T-type limit block is matched and installed in the limit hole; the T-type limit block includes and An arc-shaped block matched with the outer peripheral side of the hoisting pipe and a transverse block with the limiting hole; the transverse block is inserted between two adjacent limiting teeth after passing through the limiting hole.

Preferably, the hoisting frame includes a top plate fixed on the bottom of the hoisting rod; two sides of the bottom of the top plate are vertically installed with L-shaped side plates; one end of the two L-shaped side plates is fixed with a fence door, and the other end of the two L-shaped side plates is fixed Hinged fence gate.

Preferably, both sides of the hoisting pipe are connected to the mounting plate through inclined plates; one end of the inclined plate is connected to the arc-shaped plate; the inner side wall of the arc-shaped plate matches the outer wall of the hoisting pipe; the two sides of the arc-shaped plate are provided with lugs The corresponding two lugs on the different arc-shaped plates are fixedly connected by screws.

One aspect of the present utility model has the following beneficial effects:

1. The utility model connects the hoisting pipe and the hoisting rod in the rotating connection structure, and adjusts the position of the horizontal block of the T-shaped limit block between the adjacent two limit teeth; realizes the convenient adjustment of the projection direction of the projector, Convenient and practical.

2. The two sides of the hoisting pipe of the utility model are connected with the installation plate through the inclined plate; one end of the inclined plate is connected with the arc-shaped plate; the inner side wall of the arc-shaped plate is matched with the outer wall of the hoisting pipe; the stable support for the hoisting pipe is realized, and the stability of the hoisting pipe is ensured .

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a smart classroom projector hoisting device of the present invention;

Fig. 2 is the enlarged view of A in Fig. 1;

3 is a schematic structural diagram of a mounting plate and a hoisting pipe in the smart classroom projector hoisting device of the present invention;

Fig. 4 is the enlarged view of B in Fig. 3;

5 is a schematic structural diagram of a hoisting rod and a hoisting frame in the smart classroom projector hoisting device of the present invention;

Fig. 6 is the enlarged view of C in Fig. 5;

In the accompanying drawings, the list of components represented by each number is as follows:

1-Installation plate, 2-Lifting pipe, 21-Limiting hole, 22-Flange, 23-T-type limit block, 231-Arc block, 232-Cross block, 3-Lifting rod, 31-Connecting column, 32-Connecting ring disc, 33-Sliding disc, 331-Limiting tooth, 4-Hanging frame, 41-L-shaped side plate, 42-Fence gate, 5-Inclining plate, 51-Arc plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside", etc. indicate orientation or positional relationship, and are only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the components or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

Please refer to FIGS. 1-6 , the utility model is a smart classroom projector hoisting device, comprising: a mounting plate 1, a hoisting pipe 2, a hoisting rod 3 and a hoisting frame 4; the lower bottom surface of the mounting plate 1 is vertically fixed with a hoisting pipe 2; The bottom end of the pipe 2 is rotated and connected to the hoisting rod 3; the bottom end of the hoisting rod 3 is fixedly connected to the hoisting frame 4;

A limit hole 21 is provided on the bottom side of the hoisting pipe 2; a fixed flange 22 at the bottom end of the hoisting pipe 2; a rotating connection structure is installed on the top of the hoisting rod 3; 31 is coaxially installed on the top of the hoisting rod 3; the connecting ring plate 32 is slidably sleeved on the outer peripheral side of the connecting column 31; the top of the connecting column 31 is coaxially installed with a sliding disc 33; Bit teeth 331;

The sliding disk 33 is slidably matched on the inner peripheral side of the bottom of the hoisting pipe 2; the sliding disk 33 is connected with the flange 22 by screws; the T-shaped limit block 23 is matched and installed in the limit hole 21; The arc-shaped block 231 matching the outer peripheral side of the tube 2 and the transverse block 232 with the limit hole 21; the transverse block 232 is inserted between the adjacent limit teeth 331 after passing through the limit hole 21; Pull out the T-shaped limit block 23, then rotate the lifting rod 3 to make the projection direction reach a suitable angle; then insert the transverse block 232 of the T-shaped limit block 23 through the limit hole 21 and insert it between the adjacent two limit teeth 331 During the time, the limit of the circumferential direction of the sliding disc 33 and the limit of the rotation of the hoisting rod 3 are realized, which is convenient and practical.

In addition, the hanging frame 4 includes a top plate fixed on the bottom of the hanging rod 3; L-shaped side plates 41 are vertically installed on both sides of the bottom of the top plate; one end of the two L-shaped side plates 41 is fixed with a fence door 42, and the other end of the two L-shaped side plates 41 is hinged to the fence door 42; In actual use, open the fence door 42 on one side, and install the projector between the two L-shaped side plates 41 to realize quick installation.

In actual use, both sides of the hoisting pipe 2 are connected to the mounting plate 1 through the inclined plate 5; one end of the inclined plate 5 is connected to the arc-shaped plate 51; The lugs; the corresponding two lugs on different arc-shaped plates 51 are fixedly connected by screws; the two inclined plates 5 are connected to the mounting plate 1 to ensure the stability of the hoisting pipe 2 and improve the safety.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. Wisdom classroom projecting apparatus hoist device, its characterized in that includes: the device comprises a mounting plate (1), a hoisting pipe (2), a hoisting rod (3) and a hoisting frame (4);

the lower bottom surface of the mounting plate (1) is vertically fixed with a hoisting pipe (2); the bottom end of the hoisting pipe (2) is rotatably connected with a hoisting rod (3); the bottom end of the hoisting rod (3) is fixedly connected with a hoisting frame (4);

a limiting hole (21) is formed in the side face of the bottom of the hoisting pipe (2); a flange (22) is fixed at the bottom end of the hoisting pipe (2); the top of the hoisting rod (3) is provided with a rotary connecting structure;

the rotary connecting structure comprises a connecting column (31), a connecting ring disc (32) and a sliding disc (33); the connecting column (31) is coaxially arranged at the top of the hoisting rod (3); the connecting ring disc (32) is sleeved on the outer peripheral side of the connecting column (31) in a sliding manner; the top of the connecting column (31) is coaxially provided with a sliding disc (33); a plurality of limit teeth (331) are annularly and uniformly distributed on the edge of the upper surface of the sliding disc (33);

the sliding disc (33) is matched with the inner peripheral side of the bottom of the hoisting pipe (2) in a sliding manner; the sliding disc (33) is connected with the flange (22) through screws; a T-shaped limiting block (23) is installed in the limiting hole (21) in a matching mode; the T-shaped limiting block (23) comprises an arc-shaped block (231) matched with the outer peripheral side of the hoisting pipe (2) and a transverse block (232) matched with the limiting hole (21); the transverse block (232) penetrates through the limiting hole (21) and then is inserted between two adjacent limiting teeth (331).

2. The intelligent classroom projector mount as claimed in claim 1, wherein the mount (4) includes a top plate secured to the bottom of the mounting rod (3); l-shaped side plates (41) are vertically arranged on two sides of the bottom of the top plate; one end of each L-shaped side plate (41) is fixed with the fence door (42), and the other end of each L-shaped side plate (41) is hinged with the fence door (42).

3. The hanging device for the intelligent classroom projector as claimed in claim 1 or 2, wherein two sides of the hanging tube (2) are connected with the mounting plate (1) through inclined plates (5); one end of the inclined plate (5) is connected with an arc-shaped plate (51); the inner side wall of the arc-shaped plate (51) is matched with the outer wall of the hoisting pipe (2); ear plates are arranged on two sides of the arc-shaped plate (51); the two corresponding ear plates on different arc-shaped plates (51) are fixedly connected through screws.

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