CN211015001U

CN211015001U - Projection display stand

Info

Publication number: CN211015001U
Application number: CN201922167494.3U
Authority: CN
Inventors: 万喆
Original assignee: Feitouch Media Technology Shandong Co ltd
Current assignee: Feitouch Media Technology Shandong Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-14
Anticipated expiration: 2029-12-06

Abstract

The utility model belongs to the technical field of projection equipment, in particular to a projection display stand; the structure of the device comprises a bottom plate and a sliding plate which is arranged in a sliding way relative to the upper surface of the bottom plate; one side of the sliding plate is connected with the output end of a telescopic oil cylinder arranged on the bottom plate; the upper surface of the sliding plate is provided with two supporting frames with right-angle triangular prism structures; the first connecting lug is arranged on the support frame and is connected with the sliding plate through a bolt; the upper end of one of the supporting frames is provided with a motor; the output end of the motor is connected with a horizontal rotating shaft; the other end of the horizontal rotating shaft is connected with the other supporting frame in a relatively rotating manner; a projection curtain is wound on the horizontal rotating shaft; the other end of the projection curtain extends downwards; the utility model adopts the sliding arrangement of the bottom plate and the sliding plate, and realizes the rapid adjustment of the position of the projection curtain through the driving of the telescopic oil cylinder, and the whole structure is more convenient to assemble and disassemble; the application range is wider.

Description

Projection display stand

Technical Field

The utility model belongs to the technical field of projection equipment, concretely relates to projection show stand.

Background

With the development of electronic technology, projection and projection applications are becoming more and more widespread, and meanwhile, projector display equipment has been put into use by many enterprises and public institutions, especially modern education, and is equipped with multimedia supporting facilities for education. However, the projection display stand is usually fixed at a certain position, which is inconvenient to disassemble, assemble and carry, and the position between the projection screen and the projector is also inconvenient to adjust, so that it is necessary to design a projection display stand which is convenient to disassemble, assemble and flexibly adjust the projection screen.

SUMMERY OF THE UTILITY MODEL

The invention aims to overcome the defects in the prior art and provides a projection display stand.

The utility model relates to a projection display stand, the main structure of which comprises a bottom plate and a sliding plate which is arranged in a sliding way relative to the upper surface of the bottom plate; one side of the sliding plate is connected with the output end of a telescopic oil cylinder arranged on the bottom plate; the upper surface of the sliding plate is provided with two supporting frames with right-angle triangular prism structures; the first connecting lug is arranged on the support frame and is connected with the sliding plate through a bolt; the upper end of one of the supporting frames is provided with a motor; the output end of the motor is connected with a horizontal rotating shaft; the other end of the horizontal rotating shaft is connected with the other supporting frame in a relatively rotating manner; a projection curtain is wound on the horizontal rotating shaft; the other end of the projection curtain extends downwards.

Preferably, the upper surface of the bottom plate is provided with two inverted T-shaped grooves, and the lower surface of the sliding plate is provided with inverted T-shaped blocks matched with the grooves; the motor is fixedly arranged on the fixed plate, and the fixed plate is connected with the bottom plate through a bolt; is arranged between the two grooves.

Preferably, one side of the sliding plate is provided with a second connecting lug, and the second connecting lug is connected with the output end of the telescopic oil cylinder through a bolt.

Preferably, the end of the groove close to the motor is of an open structure, and the end far away from the motor is of a closed structure, so that the sliding plate can be conveniently detached and prevented from sliding down from the other side of the bottom plate.

Compared with the prior art, the utility model, have following advantage: the utility model adopts the sliding arrangement of the bottom plate and the sliding plate, and realizes the rapid adjustment of the position of the projection curtain through the driving of the telescopic oil cylinder, and the whole structure is more convenient to assemble and disassemble; the application range is wider.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the sliding block structure of the present invention;

FIG. 3 is a schematic view of the structural principle of the bottom plate of the present invention;

the device comprises a bottom plate 1, a sliding plate 2, a telescopic oil cylinder 3, a supporting frame 4, a first connecting lug 5, a motor 6, a horizontal rotating shaft 7, a projection curtain 8, a groove 9, a T-shaped block 10, a fixing plate 11 and a second connecting lug 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Example 1:

the projection display stand of the embodiment has a main structure comprising a bottom plate 1 and a sliding plate 2 which is arranged in a sliding manner relative to the upper surface of the bottom plate 1; one side of the sliding plate 2 is connected with the output end of a telescopic oil cylinder 3 arranged on the bottom plate 1; the upper surface of the sliding plate 2 is provided with two support frames 4 with right-angle triangular prism structures; the support frame 4 is provided with a first connecting lug 5, and the first connecting lug 5 is connected with the sliding plate 2 through a bolt; the upper end of one of the supporting frames 4 is provided with a motor 6; the output end of the motor 6 is connected with a horizontal rotating shaft 7; the other end of the horizontal rotating shaft 7 is connected with the other supporting frame 4 in a relatively rotating way; a projection curtain 8 is wound on the horizontal rotating shaft 7; the other end of the projection screen 8 extends downwards.

Preferably, the upper surface of the bottom plate 1 is provided with two inverted T-shaped grooves 9, and the lower surface of the sliding plate 2 is provided with inverted T-shaped blocks 10 matched with the grooves 9; the motor 6 is fixedly arranged on a fixed plate 11, and the fixed plate 11 is connected with the bottom plate 1 through bolts; is arranged between the two grooves 9.

Preferably, one side of the sliding plate 2 is provided with a second connecting lug 12, and the second connecting lug 12 is connected with the output end of the telescopic cylinder 3 through a bolt.

Preferably, one end of the groove 9 close to the motor 6 is an open structure, and the other end far away from the motor 6 is a closed structure, so that the sliding plate 2 can be conveniently detached, and meanwhile, the sliding plate is prevented from sliding off from the other side of the bottom plate 1.

When the telescopic oil cylinder is installed, the T-shaped block 10 of the sliding plate 2 is inserted from one end of the open structure of the groove 9, and then the telescopic oil cylinder 3 is installed on the bottom plate 1; a motor 6 is arranged on one of the support frames 4, a horizontal rotating shaft 7 is arranged between the two support frames 4, and a projection curtain 8 is wound on the horizontal rotating shaft 7; a projector (not shown in the figure) for projecting on the projection screen 8 is further arranged in front of the projection screen 8; realize the round trip movement of sliding plate 2 on bottom plate 1 under the drive through flexible hydro-cylinder 3 to adjust the position of projection curtain 8 on bottom plate 1, with the projection effect that improves the projecting apparatus, in addition, conveniently build and dismantle, not only be applicable to indoorly, it is also very convenient to outdoor use.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. A projection display stand is characterized in that: the main body structure comprises a bottom plate and a sliding plate which is arranged in a sliding manner relative to the upper surface of the bottom plate; one side of the sliding plate is connected with the output end of a telescopic oil cylinder arranged on the bottom plate; the upper surface of the sliding plate is provided with two supporting frames with right-angle triangular prism structures; the first connecting lug is arranged on the support frame and is connected with the sliding plate through a bolt; the upper end of one of the supporting frames is provided with a motor; the output end of the motor is connected with a horizontal rotating shaft; the other end of the horizontal rotating shaft is connected with the other supporting frame in a relatively rotating manner; a projection curtain is wound on the horizontal rotating shaft; the other end of the projection curtain extends downwards.

2. The projection display stand of claim 1, wherein: the upper surface of the bottom plate is provided with two inverted T-shaped grooves, and the lower surface of the sliding plate is provided with inverted T-shaped blocks matched with the grooves for use; the motor is fixedly arranged on the fixed plate, and the fixed plate is connected with the bottom plate through a bolt; is arranged between the two grooves.

3. The projection display stand of claim 1, wherein: and a second connecting lug is arranged on one side of the sliding plate and is connected with the output end of the telescopic oil cylinder through a bolt.

4. The projection display stand of claim 2 wherein: the one end that the recess is close to the motor is open structure, and the one end of keeping away from the motor is enclosed construction.