CN212338769U

CN212338769U - Multimedia projection support device

Info

Publication number: CN212338769U
Application number: CN202020630663.2U
Authority: CN
Inventors: 曾砚芳; 严雪婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-12
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a multimedia projection support device, include to rotate the frame of placing of connection on the carriage through the bull stick, carriage lower extreme fixed mounting has three evenly distributed's support column, one end threaded connection that the bull stick extends to the carriage outside has stop nut, place hinge connection on the frame has the upper cover plate, place and placed the projecting apparatus in the frame, all install on the both sides inner wall of placing the frame and the upper cover plate and compress tightly the structure. Has the advantages that: the utility model discloses fixed and dismantlement between projecting apparatus and the support are easy and simple to handle, when needs maintain the projecting apparatus, only need with it take off can, reduced operating time, improved work efficiency, and can carry out regulation on a large scale to the projection angle of projecting apparatus, improved its application scope.

Description

Multimedia projection support device

Technical Field

The utility model relates to a projection support technical field especially relates to a multimedia projection support device.

Background

The projection apparatus is a device that can magnify and project an image onto a screen, and is convenient for people to study and work.

But mostly be a body coupling between current projecting apparatus and the support, when the projecting apparatus breaks down, need dismantle the support from it earlier, increased operating time, reduced work efficiency, and the instrument angle control range on the support is limited, and application scope is less.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a multimedia projection support device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multimedia projection support device, includes to rotate the frame of placing of connection on the carriage through the bull stick, carriage lower extreme fixed mounting has three evenly distributed's support column, the bull stick extends to the outer one end threaded connection of carriage has stop nut, place hinge connection on the frame and have the upper cover plate, place and placed the projecting apparatus in the frame, all install on the both sides inner wall of placing the frame and the upper cover plate and compress tightly the structure.

In foretell multimedia projection support device, compact structure comprises L shape clamp plate, a plurality of installation piece, a plurality of flexible groove, a plurality of connecting rod and a plurality of spring, and is a plurality of the even fixed mounting of installation piece is on placing the inner wall of frame, and is a plurality of flexible groove is seted up respectively at the installation piece that corresponds and is placed between the frame, and is a plurality of sliding connection is in the flexible inslot that corresponds respectively to the connecting rod, and is a plurality of the spring is installed respectively between the connecting rod that corresponds and flexible groove, L shape clamp plate cooperation is installed between a plurality of connecting rods.

In the multimedia projection support device, the L-shaped pressing plate is uniformly provided with a plurality of through holes, and the placing frame and the upper cover plate are respectively provided with a plurality of air holes.

In the above multimedia projection support device, the side wall of the connecting rod is fixedly provided with a plurality of lugs, and the side wall of the telescopic groove is provided with a plurality of limiting grooves matched with the corresponding lugs.

In foretell multimedia projection support device, be equipped with the spout on the support column, and sliding connection has the pole setting in the spout, support column lower extreme fixed mounting has solid fixed ring, threaded connection has the adjustable ring in the pole setting, and the adjustable ring is connected for rotating with solid fixed ring, pole setting lower extreme fixed mounting has the callus on the sole.

In the above multimedia projection support apparatus, a special-shaped groove is provided on the lower sidewall of the fixing ring, and a plurality of special-shaped blocks matched with the special-shaped groove are fixedly installed on the adjusting ring.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of upper cover plate and a plurality of compact structure, can effectively fix placing the projecting apparatus of placing different sizes in the frame, when needs overhaul the projecting apparatus, only need with it can, easy operation has reduced operating time, can improve work efficiency to a certain extent.

2: through the cooperation of bull stick and stop nut, can carry out regulation and fixed by a relatively great margin to the angle of placing the relative carriage of frame to the change is located the projection angle of placing the interior projecting apparatus of frame, has improved the angle control scope, has increased the suitability.

3: through the cooperation of adjusting the pole and the pole setting, can adjust the height on the relative ground of support column to control the mounting height of projecting apparatus, further improved the application scope of this support.

To sum up, the utility model discloses fixed and dismantlement between projecting apparatus and the support are easy and simple to handle, when needs maintain the projecting apparatus, only need with it take off can, reduced operating time, improved work efficiency, and can carry out regulation on a large scale to the projection angle of projecting apparatus, improved its application scope.

Drawings

Fig. 1 is a schematic structural view of a multimedia projection stand apparatus according to the present invention;

FIG. 2 is an enlarged view of the structure of part A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure of part B in fig. 1.

In the figure: the special-shaped foot rest comprises a supporting frame 1, a rotating rod 2, a placing frame 3, a supporting column 4, an upper cover plate 5, a projector 6, an installation block 7, a telescopic groove 8, a connecting rod 9, a 10L-shaped pressing plate, a spring 11, a convex block 12, a through hole 13, air holes 14, a vertical rod 15, a fixing ring 16, an adjusting ring 17, a special-shaped groove 18, a special-shaped block 19 and a foot pad 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a multimedia projection support device, include through bull stick 2 rotate connect on carriage 1 place frame 3, can adjust the angle of placing frame 3 relative carriage 1 to adjust the projection angle of projecting apparatus 6 in it, bull stick 2 extends to the one end threaded connection outside carriage 1 has stop nut, screws up stop nut and can fix the angle of placing frame 3 relative carriage 1, avoids it to take place to rock.

Supporting frame 1 lower extreme fixed mounting has three evenly distributed's support column 4, and a plurality of support columns 4 are triangle-shaped and set up, can improve the stability to supporting frame 1 support.

Place on the frame 3 hinge connection have an upper cover plate 5, can shelter from 6 upper ends of projecting apparatus, avoid when placing 3 turned angle of frame too big, projecting apparatus 6 drops impaired problem from it.

Place and place projecting apparatus 6 in the frame 3, all install on placing the both sides inner wall of frame 3 and the upper cover plate 5 and compress tightly the structure, compress tightly the structure and comprise L shape clamp plate 10, a plurality of installation piece 7, a plurality of flexible groove 8, a plurality of connecting rod 9 and a plurality of spring 11, can compress tightly fixedly from the left and right sides and upper end to 6 lateral walls of projecting apparatus.

Even fixed mounting of a plurality of installation pieces 7 is on placing the inner wall of frame 3, a plurality of flexible groove 8 are seted up respectively at the installation piece 7 that corresponds and are placed between the frame 3, a plurality of connecting rods 9 are sliding connection respectively in the flexible groove 8 that corresponds, a plurality of springs 11 are installed respectively between the connecting rod 9 that corresponds and flexible groove 8, L shape clamp plate 10 cooperation is installed between a plurality of connecting rods 9, the power that is close to projecting apparatus 6 is applyed to connecting rod 9 to spring 11's elasticity, thereby cooperation through a plurality of connecting rods 9 makes L shape clamp plate 10 carry out the centre gripping to the lateral wall of projecting apparatus 6, accomplish its fixing in placing frame 3, and the shape design of L shape clamp plate 10, can carry out limited spacing to the front end of projecting apparatus 6.

Evenly be equipped with a plurality of through-holes 13 on the L shape clamp plate 10, all be equipped with a plurality of bleeder vents 14 on placing frame 3 and upper cover plate 5, be convenient for fix the better heat dissipation of projecting apparatus 6 in placing frame 3, avoid leading to projecting apparatus 6 to move unusual problem because of placing the temperature is too high in the frame 3.

A plurality of lugs 12 are fixedly mounted on the side wall of the connecting rod 9, a plurality of limiting grooves matched with the corresponding lugs 12 are formed in the side wall of the telescopic groove 8, and the problem that the connecting rod 9 is separated from the telescopic groove 8 can be avoided.

Be equipped with the spout on support column 4, and sliding connection has pole setting 15 in the spout, and 4 lower extreme fixed mounting of support column have solid fixed ring 16, and threaded connection has adjustable ring 17 on the pole setting 15, and adjustable ring 17 is connected for rotating with solid fixed

ring

16, and 15 lower extreme fixed mounting of pole setting have callus on the sole 20, when clockwise rotation adjustable ring 17, can make pole setting 15 move down to make the relative ground of support column 4 highly shift up, highly adjust projecting apparatus 6.

The lower side wall of the fixed ring 16 is provided with a special-shaped groove 18, and the adjusting ring 17 is fixedly provided with a plurality of special-shaped blocks 19 matched with the special-shaped groove 18, so that the stability of connection between the adjusting ring 17 and the fixed ring 16 can be ensured, and the adjusting ring is prevented from inclining or falling off.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multimedia projection support device, includes through bull stick (2) rotation connection place frame (3) on carriage (1), its characterized in that, carriage (1) lower extreme fixed mounting has three evenly distributed's support column (4), one end threaded connection that bull stick (2) extend to outside carriage (1) has stop nut, it has upper cover plate (5) to place hinge connection on frame (3), place and place projecting apparatus (6) in frame (3), all install on the both sides inner wall of placing frame (3) and upper cover plate (5) and press the compact structure.

2. The multimedia projection support device according to claim 1, wherein the compression structure is composed of an L-shaped pressing plate (10), a plurality of mounting blocks (7), a plurality of telescopic grooves (8), a plurality of connecting rods (9) and a plurality of springs (11), the mounting blocks (7) are uniformly and fixedly mounted on the inner wall of the placement frame (3), the telescopic grooves (8) are respectively formed between the corresponding mounting blocks (7) and the placement frame (3), the connecting rods (9) are respectively connected in the corresponding telescopic grooves (8) in a sliding manner, the springs (11) are respectively mounted between the corresponding connecting rods (9) and the telescopic grooves (8), and the L-shaped pressing plate (10) is mounted between the connecting rods (9) in a matching manner.

3. The multimedia projection support device of claim 2, wherein the L-shaped pressing plate (10) is uniformly provided with a plurality of through holes (13), and the placing frame (3) and the upper cover plate (5) are respectively provided with a plurality of air holes (14).

4. A multimedia projection stand device according to claim 2, wherein a plurality of protrusions (12) are fixedly mounted on the side wall of the connecting rod (9), and a plurality of limiting grooves matched with the corresponding protrusions (12) are provided on the side wall of the telescopic groove (8).

5. The multimedia projection bracket device according to claim 1, wherein a sliding groove is formed in the supporting column (4), a vertical rod (15) is slidably connected in the sliding groove, a fixed ring (16) is fixedly installed at the lower end of the supporting column (4), an adjusting ring (17) is connected to the vertical rod (15) in a threaded manner, the adjusting ring (17) is rotatably connected with the fixed ring (16), and a foot pad (20) is fixedly installed at the lower end of the vertical rod (15).

6. A multimedia projection stand device according to claim 5, wherein the lower side wall of the fixing ring (16) is provided with a shaped groove (18), and the adjusting ring (17) is fixedly provided with a plurality of shaped blocks (19) which are matched with the shaped groove (18).