CN216748431U

CN216748431U - Digital audio and video playing device

Info

Publication number: CN216748431U
Application number: CN202123248392.8U
Authority: CN
Inventors: 邵敏
Original assignee: Hefei Huabei Information Technology Co ltd
Current assignee: Hefei Huabei Information Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-14
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a digital projection audio frequency and video device relates to projection equipment technical field, including projector body and fixed mounting at projector body front side's projection lamp, but projector body front side is equipped with horizontal migration's air pump, air pump output fixedly connected with gas blow pipe, the gas blow pipe is the L type, the gas blow pipe is corresponding with projection lamp. The utility model discloses in, adopt fixed cover, air pump, gas blow pipe and slider, this air pump of staff horizontal migration for the slider slides at the spacing inslot portion, finally gives vent to anger the end with the gas blow pipe and corresponds with the projection lamp, starts this air pump after that, and the high-pressure gas of production passes through the gas blow pipe blowout, cleans the impurity on projection lamp surface, and the picture is just more clear when the projection film like this, does not have the stain, thereby improves projection quality and spectator's viewing effect.

Description

Digital audio and video playing device

Technical Field

The utility model relates to a projection equipment technical field especially relates to a digital projection audio frequency and video device.

Background

The digital film is characterized in that in the links of shooting, post processing, issuing and showing and the like of the film, the traditional optical chemical or physical processing technology is partially or completely replaced by the digital processing technology, and the film of the film is replaced by the digital medium; the digital medium is stored, the quality is kept stable forever, the phenomena of abrasion, aging and the like can not occur, the shaking and the flickering can not occur, the film does not need to be developed for transmission and distribution, the distribution cost is greatly reduced, the quality loss can not occur in the transmission process, and the projector is mechanical equipment which restores the images and the sounds recorded on the film by matching with a screen, a loudspeaker and the like.

When the existing projector equipment is used, more dust can be gathered on the surface of a projection lamp, so that the projection effect and quality can be influenced, and the picture is not clear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a digital audio and video playing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a digit projection audio frequency and video device, includes projector body and the projection lamp of fixed mounting in projector body front side, but projector body front side is equipped with horizontal migration's air pump, air pump output fixedly connected with gas blow pipe, the gas blow pipe is the L type, the gas blow pipe is corresponding with the projection lamp.

Preferably, the front side wall of the projector body is fixedly connected with a fixing sleeve, the fixing sleeve is provided with a limiting groove, a sliding block is arranged in the limiting groove in a sliding manner, and the front end of the sliding block is fixedly installed with an air pump through a bolt.

Preferably, a heat dissipation opening is formed in the side wall of the projector body, two symmetrically-arranged limiting sleeves are fixedly connected to the side wall of the projector body, a first baffle is rotatably arranged between the limiting sleeves, the first baffle is rotatably connected with a second baffle through a hinge, and the other end of the second baffle is slidably arranged inside the limiting sleeves.

Preferably, a protrusion is fixed on the second baffle plate, and the protrusion is located in the middle of the second baffle plate.

Preferably, two handles are symmetrically arranged and fixedly connected to the top of the projector body.

Preferably, the four corners of the bottom of the projector body are fixedly connected with support legs.

Advantageous effects

1. The utility model discloses in, adopt fixed cover, air pump, gas blow pipe and slider, this air pump of staff horizontal migration for the slider slides at the spacing inslot portion, finally gives vent to anger the end with the gas blow pipe and corresponds with the projection lamp, starts this air pump after that, and the high-pressure gas of production passes through the gas blow pipe blowout, cleans the impurity on projection lamp surface, and the picture is just more clear when the projection film like this, does not have the stain, thereby improves projection quality and spectator's viewing effect.

2. The utility model discloses in, adopt first baffle, second baffle and hinge, when this projector body does not use, this second baffle of drop-down for first baffle and second baffle parallel arrangement, first baffle and second baffle cover on the thermovent like this, can realize dustproof protection's work to the thermovent like this, avoid outside dust to get into the inside radiating effect that influences of projector body.

Drawings

Fig. 1 is a front view three-dimensional structure diagram of a digital audio/video playing device provided by the utility model;

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

fig. 3 is a bottom perspective structure view of the digital audio/video playing device of the present invention.

Illustration of the drawings:

1. a projector body; 2. a handle; 3. a projection lamp; 4. fixing a sleeve; 5. an air pump; 6. an air blowing pipe; 7. A first baffle plate; 8. a limiting sleeve; 9. a heat dissipation port; 10. a protrusion; 11. a second baffle; 12. a hinge; 13. A limiting groove; 14. a slider; 15. and (4) bolts.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1-3, a digital projection audio and video device comprises a projector body 1 and a projection lamp 3 fixedly installed on the front side of the projector body 1, wherein a horizontally movable air pump 5 is arranged on the front side of the projector body 1, an output end of the air pump 5 is fixedly connected with an air blow pipe 6, the air blow pipe 6 is L-shaped, the air blow pipe 6 corresponds to the projection lamp 3, a fixed sleeve 4 is fixedly connected to the front side wall of the projector body 1, a limiting groove 13 is formed in the fixed sleeve 4, a sliding block 14 is arranged in the limiting groove 13 in a sliding manner, and the front end of the sliding block 14 is fixedly installed with the air pump 5 through a bolt 15.

The worker moves the air pump 5 horizontally to make the sliding block 14 slide in the limiting groove 13, finally the air outlet end of the air blowing pipe 6 corresponds to the projection lamp 3, then the air pump 5 is started, the generated high-pressure air is sprayed out through the air blowing pipe 6 to clean impurities on the surface of the projection lamp 3, so that the picture is clearer when a film is projected, no stain exists, and the projection quality and the watching effect of audiences are improved.

Thermovent 9 has been seted up to 1 lateral wall of projector body, and two symmetries of 1 lateral wall fixedly connected with of projector body set up stop collar 8, rotate between the stop collar 8 and be provided with first baffle 7, and first baffle 7 rotates through hinge 12 and is connected with second baffle 11, and the setting of sliding of the 11 other end of second baffle is inside stop collar 8.

When this projector body 1 does not use, pull down this second baffle 11 for first baffle 7 and second baffle 11 parallel arrangement, first baffle 7 and second baffle 11 cover on thermovent 9 like this, can realize dustproof work of protection to thermovent 9 like this, avoid outside dust to get into projector body 1 inside influence radiating effect, when needing the heat dissipation, shift up this second baffle 11, make second baffle 11 and first baffle 7 be certain angle slope setting, open thermovent 9 like this.

The second baffle 11 is fixed with a protrusion 10, and the protrusion 10 is located in the middle of the second baffle 11.

The second baffle 11 can be conveniently pulled by the protrusion 10.

The top of the projector body 1 is fixedly connected with two symmetrically arranged handles 2.

The projector body 1 can be conveniently carried by the handle 2.

The four corners of the bottom of the projector body 1 are fixedly connected with support legs.

The supporting legs are provided to support the projector body 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The digital audio and video playing device is characterized by comprising a projector body (1) and a playing lamp (3) fixedly installed on the front side of the projector body (1), wherein a horizontally movable air pump (5) is arranged on the front side of the projector body (1), an air blowing pipe (6) is fixedly connected with the output end of the air pump (5), the air blowing pipe (6) is L-shaped, and the air blowing pipe (6) corresponds to the playing lamp (3).

2. The digital projection audio/video device according to claim 1, wherein the front side wall of the projector body (1) is fixedly connected with a fixing sleeve (4), the fixing sleeve (4) is provided with a limiting groove (13), a sliding block (14) is slidably arranged in the limiting groove (13), and the front end of the sliding block (14) is fixedly mounted with the air pump (5) through a bolt (15).

3. The digital projection audio/video device according to claim 1, wherein the side wall of the projector body (1) is provided with a heat dissipation port (9), the side wall of the projector body (1) is fixedly connected with two symmetrically arranged position limiting sleeves (8), a first baffle (7) is rotatably arranged between the position limiting sleeves (8), the first baffle (7) is rotatably connected with a second baffle (11) through a hinge (12), and the other end of the second baffle (11) is slidably arranged inside the position limiting sleeve (8).

4. A digital video and audio projection device according to claim 3, wherein the second baffle (11) is fixed with a protrusion (10), and the protrusion (10) is located in the middle of the second baffle (11).

5. The digital projection audio-video device according to claim 1, characterized in that two symmetrically arranged handles (2) are fixedly connected to the top of the projector body (1).

6. The digital audio and video projection device according to claim 1, wherein the four corners of the bottom of the projector body (1) are fixedly connected with support legs.