CN211264493U

CN211264493U - Dustproof multimedia projector convenient to adjust

Info

Publication number: CN211264493U
Application number: CN201922323946.2U
Authority: CN
Inventors: 周春林; 严雪婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-14
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a multi-media technical field just discloses a can prevent dust multi-media projecting apparatus convenient to adjust, including box, projecting apparatus and base, box internally mounted has lifting telescopic link, and the roof is connected to lifting telescopic link one end, and surface mounting has a mounting panel under the roof, and the slope telescopic link is installed to the mounting panel bottom, and the louvre has been seted up to the both sides lateral wall, and the heat dissipation fan is installed at the back, has openly seted up U type groove, and the bottom surface center fixed mounting of box has the pivot, and the bearing has been cup jointed in the pivot outside, and. This but dustproof multimedia projector convenient to adjust has multiple regulation mode, can adjust projection direction, projection height and projection angle, and multiple regulation mode can be on a large scale adjust projected distance and height, uses more to come the convenience. This but multi-media projecting apparatus prevents dust convenient to adjust has dustproof function, prevents that the outside of projecting apparatus from piling up the dust, plugs up the thermovent, has strengthened the radiating effect, reduces the wearing and tearing of projecting apparatus.

Description

Dustproof multimedia projector convenient to adjust

Technical Field

The utility model relates to a multi-media technical field specifically is a can prevent dust multi-media projecting apparatus convenient to adjust.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design and organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect. With the advancement of multimedia technology, multimedia devices, such as projectors, are increasingly being used in modern classrooms or conferences.

The projector in current multimedia classroom and the multimedia conference room is fixed on the ceiling completely, the projected distance and the highly unable scope of adjusting or can be adjusted are very limited, certain inconvenience has been brought for the user, many dusts are piled up easily to the outside of projecting apparatus in addition, plug up the thermovent of projecting apparatus, influence the radiating effect of projecting apparatus, the wearing and tearing of increase projecting apparatus, shorten the life of projecting apparatus, be unfavorable for practicing thrift, so propose one kind have can remove, the wide and dustproof function's of control range multimedia projector solves above problem of proposing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a can prevent dust multimedia projector convenient to adjust possesses advantages such as accommodation is big and dustproof function, has solved the problem that accommodation is little and the dust is piled up.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a but dustproof multimedia projector convenient to adjust, includes box, projecting apparatus and base, its characterized in that: the bottom surface of the interior of the box body is fixedly provided with a lifting telescopic rod, one end of the lifting telescopic rod, far away from the bottom of the interior of the box body 1, is fixedly provided with a top plate, the lower surface of the top plate is fixedly provided with a mounting plate, the front end of the bottom of the mounting plate is fixedly provided with an inclined telescopic rod, the end of the inclined telescopic rod, far away from the mounting plate, is fixedly connected with a first slide block, the rear end of the bottom of the mounting plate is fixedly connected with a fixed rod, the end of the fixed rod, far away from the mounting plate, is fixedly connected with a projector, the upper surface of the projector is provided with a first slide groove, the two sides of the lower surface of the top plate are fixedly provided with clamping blocks, the tops of the side, the bottom surface center fixed mounting in the box outside has the pivot, the bearing has been cup jointed in the pivot outside, box outside bottom fixed mounting has the second slider, the bearing groove has been seted up at base upper surface center, the second spout has been seted up to the base upper surface, surface fixed mounting has the universal wheel under the base.

Furthermore, four lifting telescopic rods are provided, and the four lifting telescopic rods are fixedly connected to four corners of the bottom inside the box body in a rectangular shape.

Furthermore, the first sliding block is matched with the specification and the size of the first sliding groove, and the first sliding block is movably arranged in the first sliding groove.

Further, the second spout is the ring type, second slider and second spout specification and dimension adaptation, second slider movable mounting is in the inside of second spout.

Furthermore, the bearing is matched with the specification and the size of the bearing groove, the bearing is fixedly installed in the bearing groove, and the fixture block is the same as the bayonet in specification and size.

Furthermore, there are four universal wheels, four the universal wheel is rectangle fixed connection in the bottom surface of base, four the universal wheel is from taking brake fixing device.

The utility model has the advantages that:

1. this can prevent dust multimedia projector convenient to adjust, multiple regulation mode has, install bearing and pivot between box and the base, can make the box carry out circular motion on the base, every direction all can carry out the projection, there are four telescopic handle that goes up and down in the box, four lifters go up and down simultaneously and drive the roof and go up and down to drive the projecting apparatus lift, can adjust the height of projecting apparatus, there is the slope telescopic link in the projecting apparatus top in addition, the flexible projecting apparatus tilt up and down that can drive of slope telescopic link, adjust projecting apparatus projection angle, multiple regulation mode can be on a large scale adjust projected distance and height, it is more convenient to use.

2. This can prevent dust multimedia projector convenient to adjust, dustproof function has, inside putting into the box with the projecting apparatus, can prevent dust on every side, install the roof at the top, can prevent the top dust, the louvre has been seted up at the both sides wall of box in addition, help the heat dissipation, install the heat dissipation fan at the box back, the effectual heat dissipation to the projecting apparatus, this dustproof heat dissipation function, prevent that the outside of projecting apparatus from piling up the dust, prevent that the dust from plugging up the thermovent of projecting apparatus, the radiating effect of projecting apparatus has been strengthened, reduce the wearing and tearing of projecting apparatus, guarantee the life of projecting apparatus.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a front cross-sectional view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a top view of the internal structure of the case of the present invention;

FIG. 4 is a rear front view of the box body of the present invention;

fig. 5 is a top view of the base of the present invention.

Description of reference numerals: the device comprises a box body 1, a projector 2, a base 3, a lifting telescopic rod 4, a top plate 5, a mounting plate 6, an inclined telescopic rod 7, a first sliding block 8, a fixing rod 9, a first sliding groove 10, a clamping block 11, a clamping block 12, a heat dissipation hole 13, a heat dissipation fan 14, a wire guiding groove 15, a U-shaped groove 16, a rotating shaft 17, a bearing 18, a second sliding block 19, a bearing groove 20, a second sliding groove 21 and a universal wheel 22.

Detailed Description

The technical solution in 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.

Referring to fig. 1-5, a dustproof multimedia projector convenient to adjust comprises a box body 1, a projector 2 and a base 3, wherein a lifting telescopic rod 4 is fixedly installed on the bottom surface inside the box body 1, four lifting telescopic rods 4 are provided, four lifting telescopic rods 4 are in a rectangular shape and are fixedly connected with four corners of the bottom inside the box body 1, a top plate 5 is fixedly installed at one end, away from the bottom inside the box body 1, of each lifting telescopic rod 4, the four lifting rods 4 simultaneously lift to drive the top plate 5 to lift to drive the projector 2 to lift, the height of the projector 2 can be adjusted, a mounting plate 6 is fixedly installed on the lower surface of the top plate 5, an inclined telescopic rod 7 is fixedly installed at the front end of the bottom of the mounting plate 6, a first sliding block 8 is fixedly connected with one end, away from the mounting plate 6, of the inclined telescopic rod 7 is fixedly connected with, the upper surface of the projector 2 is provided with a first sliding groove 10, a first sliding block 8 is matched with the first sliding groove 10 in specification and size, the first sliding block 8 is movably installed inside the first sliding groove 10, the first sliding block 8 can be driven by the telescopic rod 7 to slide inside the first sliding groove 10 to drive the projector 2 to tilt up and down, the projection angle of the projector 2 is adjusted, two sides of the lower surface of the top plate 5 are fixedly provided with clamping blocks 11, the tops of the side walls of two sides of the box body 1 are provided with clamping openings 12, the clamping blocks 11 are the same in specification and size as the clamping openings 12, the clamping blocks 11 can be clamped into the clamping openings 12, when the projector 2 stops using, the top plate 5 and the box body 1 are combined to accommodate the projector 2, the side walls of two sides of the box body 1 are provided with radiating holes 13, the back of the box body 1 is fixedly connected with a radiating fan 14, the radiating holes 13 and the radiating, the back of the box body 1 is provided with a wire groove 15, which is convenient for the access and the exit of a power line and other wires, the front of the box body 1 is provided with a U-shaped groove 16, the opening of the U-shaped groove 16 and a projection lens of the projector 2 are on the same plane, the U-shaped groove 16 can not interfere the projection of the projector 2, the center of the bottom surface of the outer side of the box body 1 is fixedly provided with a rotating shaft 17, the outer side of the rotating shaft 17 is sleeved with a bearing 18, the bottom of the outer side of the box body 1 is fixedly provided with a second slide block 19, the center of the upper surface of the base 3 is provided with a bearing groove 20, the bearing 18 is matched with the specification and the size of the bearing groove 20, the bearing 18 and the rotating shaft 17 are arranged between the box body 1 and the base 3, so that the box body 1 can carry out circular motion on the upper surface of the base 3, each direction can carry out projection, the, second slider 19 movable mounting has universal wheel 22 in the inside of second spout 21, and fixed surface installs under base 3, and universal wheel 22 has four, and four universal wheels 22 are rectangle fixed connection in the bottom surface of base 3, and four universal wheels 22 are from taking brake fixing device.

When in use, the device is pushed to a proper position through the universal wheels 22 at the bottom of the base 3, after the power is switched on, the four lifting rods 4 simultaneously lift and drive the top plate 5 to lift and drive the projector 2 to lift, the height of the projector 2 is adjusted, the telescopic rod 7 extends and retracts to drive the projector 2 to tilt up and down, the projection angle of the projector 2 is adjusted, the box body 1 makes the box body 1 perform circular motion on the upper surface of the base 3 through a bearing 18 and a rotating shaft 17 which are arranged between the box body 1 and the base 3, thereby adjusting the projection direction, and after the projection height and the projection direction of the projector 2 are adjusted, namely, the projection is performed, the heat dissipation fan 14 at the back of the box body 1 starts to operate to dissipate heat to the projector, and after the projection of the projector 2 is completed, the lifting telescopic rod 4 and the inclined telescopic rod 7 are retracted to the original positions, and the clamping block 11 is clamped into the clamping opening 12, so that the top plate 5 and the box body 1 are combined to store the projector 2.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a but dustproof multimedia projector convenient to adjust, includes box (1), projecting apparatus (2) and base (3), its characterized in that: the bottom surface of the interior of the box body (1) is fixedly provided with a lifting telescopic rod (4), one end, away from the bottom of the interior of the box body (1), of the lifting telescopic rod (4) is fixedly provided with a top plate (5), the lower surface of the top plate (5) is fixedly provided with a mounting plate (6), the front end of the bottom of the mounting plate (6) is fixedly provided with an inclined telescopic rod (7), one end, away from the mounting plate (6), of the inclined telescopic rod (7) is fixedly connected with a first sliding block (8), the rear end of the bottom of the mounting plate (6) is fixedly connected with a fixed rod (9), one end, away from the mounting plate (6), of the fixed rod (9) is fixedly connected with a projector (2), the upper surface of the projector (2) is provided with a first sliding groove (10), two sides of the lower surface of the top, louvre (13) have all been seted up to box (1) both sides lateral wall, box (1) back fixed mounting has heat dissipation fan (14), wire casing (15) have been seted up at box (1) back, U type groove (16) have openly been seted up in box (1), the bottom surface center fixed mounting in the box (1) outside has pivot (17), bearing (18) have been cup jointed in the pivot (17) outside, box (1) outside bottom fixed mounting has second slider (19), bearing groove (20) have been seted up at base (3) upper surface center, second spout (21) have been seted up to base (3) upper surface, fixed surface installs universal wheel (22) under base (3).

2. The dustproof multimedia projector as claimed in claim 1, wherein: the lifting telescopic rods (4) are four, and the lifting telescopic rods (4) are fixedly connected to four corners of the bottom inside the box body (1) in a rectangular mode.

3. The dustproof multimedia projector as claimed in claim 1, wherein: the first sliding block (8) is matched with the first sliding groove (10) in specification and dimension, and the first sliding block (8) is movably arranged in the first sliding groove (10).

4. The dustproof multimedia projector as claimed in claim 1, wherein: the second sliding groove (21) is of a circular ring type, the second sliding block (19) is matched with the second sliding groove (21) in specification and dimension, and the second sliding block (19) is movably arranged inside the second sliding groove (21).

5. The dustproof multimedia projector as claimed in claim 1, wherein: the specification and size of the bearing (18) and the bearing groove (20) are matched, the bearing (18) is fixedly installed in the bearing groove (20), and the specification and size of the clamping block (11) and the specification and size of the bayonet (12) are the same.

6. The dustproof multimedia projector as claimed in claim 1, wherein: the universal wheels (22) are four, the four universal wheels (22) are fixedly connected to the bottom surface of the base (3) in a rectangular mode, and the four universal wheels (22) are provided with brake fixing devices.