CN216160969U

CN216160969U - Noise reduction type projector

Info

Publication number: CN216160969U
Application number: CN202122073827.3U
Authority: CN
Inventors: 张锡侠; 张鑫; 曹和国
Original assignee: Shenzhen Shengchuang Enguang Technology Co ltd
Current assignee: Shenzhen Shengchuang Enguang Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-04-01
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a noise reduction type projector, which relates to the technical field of projectors and comprises a projector body and a noise reduction device, wherein the noise reduction device comprises a noise reduction plate, the noise reduction plate is connected with a noise reduction box in an internal sliding mode, a handle is fixedly arranged on the side surface of the noise reduction plate, a clamping block is fixedly arranged on the surface of the noise reduction plate, two insertion holes are formed in the side wall of the clamping block, a sliding groove is formed in the side surface of the noise reduction box, a spring is fixedly arranged in the sliding groove, a sliding block is fixedly arranged at one end, far away from the sliding groove, of the spring, two insertion rods are fixedly arranged on the surface of the sliding block, a groove is formed in the side surface of the noise reduction box, a sliding plate is connected in the groove in a sliding mode, and a notch is formed in the side surface of the noise reduction box. The projector solves the problems that the working noise is generated when the cooling fan in the existing projector runs at a high speed, and great inconvenience and bad experience are brought to people who watch the film.

Description

Noise reduction type projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a noise reduction type projector.

Background

The projector is also called a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer through different interfaces, is usually placed in a classroom or a conference room and connected with the computer, and puts the content of the computer on the curtain through the projector to play a role in explaining and displaying.

The inside components and parts of projecting apparatus can produce a large amount of heats at the course of the work, adopt the fan to cool off inside the projecting apparatus usually, but can produce noise at radiator fan high-speed when moving, the sound is cut to the wind that operation sound and fan blade produced that the motor sent inside the fan, and the projecting apparatus is when using, and is nearer apart from people usually, if its self operation noise is too big, then can bring very big inconvenience and bad experience for the people who see the shadow.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a type of making an uproar projecting apparatus falls, includes audio amplifier body and installation device, includes the projecting apparatus body and falls the device of making an uproar, the fixed surface of projecting apparatus body installs the amortization box, the inside of amortization box is equipped with the device of making an uproar, it includes the amortization board to fall the device of making an uproar, the inside sliding connection of amortization board and amortization box, the side fixed mounting of amortization board has the handle, the fixed surface of amortization board installs the fixture block, two jacks have been seted up to the lateral wall of fixture block, the spout has been seted up to the side of amortization box, the inside fixed mounting of spout has the spring, the one end fixed mounting that the spout was kept away from to the spring has the slider, and the fixed surface of slider installs two inserted bars, the side of amortization box is seted up flutedly, the inside sliding connection of recess has the slide plate, the side of amortization box is seted up jaggedly.

Preferably, the size of the notch is matched with the size of the clamping block, and the size of the inserted bar is matched with the size of the insertion hole.

Preferably, one end, far away from the groove, of the sliding plate is fixedly connected with the sliding block, and the sliding block is in sliding connection with the sliding groove through the sliding plate.

Preferably, the surface of the projector body is provided with a lens, and the silencing box is internally provided with a heat dissipation fan.

Preferably, the upper and lower both sides surface of projecting apparatus body all is equipped with protector, protector includes the bar shaped plate, two bar shaped plate symmetric distribution is in the upper and lower both sides of projecting apparatus body, the bar shaped groove has been seted up on the surface of bar shaped plate, spacing hole has been seted up to the side of bar shaped plate, the inside sliding connection in bar shaped groove has the connecting plate, two fixed mounting has the baffle between the connecting plate, the surface of connecting plate is rotated and is connected with the threaded rod, the one end port fixed mounting of threaded rod has the runner, the surperficial threaded connection of threaded rod has the slide, perpendicular groove has all been seted up to the both sides inner wall of connecting plate, the surface of slide articulates there is the rubber traction lever, the rubber traction lever is kept away from the one end of slide and is articulated to have the gag lever post.

Preferably, the threaded rod is rotatably connected with the connecting plate through a rotating wheel, and the limiting rod is slidably connected with the connecting plate through a rubber traction rod.

Preferably, the sliding plate is in sliding connection with the vertical groove through a threaded rod, and the limiting rod is inserted into the limiting hole through a rubber traction rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the noise reduction device, when the heat dissipation fan works, the sliding plate in the groove slides, the sliding plate moves in the groove to drive the sliding block to move in the sliding groove, the sliding block moves in the sliding groove to extrude the spring, so that the spring is stressed and compressed, meanwhile, the sliding block slides in the sliding groove and drives the inserted bar to move, the inserted bar moves to enable the inserted bar to move from the inside of the notch to the inside of the sliding groove, the handle is pushed at the moment, the handle drives the silencing plate to move, when the clamping block on the surface of the silencing plate enters the notch, the sliding plate is loosened, the inserted rod is inserted into the jack by the resilience force of the spring, the inserted rod is inserted into the jack, the silencing plate is firmly fixed in the silencing box, through the cooperation of above-mentioned structure, utilize the acoustical panel to carry out noise cancelling treatment to the air-out of heat dissipation fan, reduce its air current noise at work, and then reduce the noise of projecting apparatus in the course of the work.

2. In the utility model, through arranging the protective device, when the projector body is used, the connecting plate is slid, the connecting plate moves in the strip-shaped groove to drive the limiting rod to move, meanwhile, the connecting plate moves in the strip-shaped groove to drive the baffle plate to move, when the limiting rod moves to be at the same level with the limiting hole, the rotating wheel is rotated to drive the threaded rod to rotate, the threaded rod rotates to drive the sliding plate to move upwards in the vertical groove, the sliding plate moves upwards in the vertical groove to drive the rubber traction rod to rotate, the rubber traction rod rotates to push the limiting rod to be inserted into the limiting hole, the limiting rod is inserted into the limiting hole, the position of the baffle plate at the moment is fixed, and through the matching of the structures, the baffle plate can block the lens, thereby preventing a large amount of external dust from covering the surface of the lens, reducing the possibility that the lens is full of dust, and avoiding the next use, affecting the projection effect of the projector.

Drawings

Fig. 1 is a schematic perspective view of a noise reduction type projector according to the present invention;

FIG. 2 is a schematic view of another angle structure of a noise reduction type projector according to the present invention;

FIG. 3 is a schematic view of another angle structure of FIG. 2 in a noise reduction type projector according to the present invention;

FIG. 4 is a schematic diagram of a noise reduction type projector shown in FIG. 1 at A;

FIG. 5 is a schematic diagram of a noise reduction type projector shown at B in FIG. 3 according to the present invention;

illustration of the drawings: 1. a projector body; 2. a lens; 3. a silencing box; 4. a heat dissipation fan; 5. a noise reduction device; 501. a sound-absorbing panel; 502. a handle; 503. a clamping block; 504. a jack; 505. a chute; 506. a spring; 507. a slider; 508. inserting a rod; 509. a groove; 510. a slide plate; 511. a notch; 6. a guard; 601. a strip plate; 602. a strip-shaped groove; 603. a limiting hole; 604. a connecting plate; 605. a baffle plate; 606. a threaded rod; 607. a rotating wheel; 608. a slide plate; 609. a vertical slot; 610. a rubber traction rod; 611. a limiting rod.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, the present invention provides a noise reduction type projector, including a projector body 1 and a noise reduction device 5, wherein a noise reduction box 3 is fixedly installed on a surface of the projector body 1, the noise reduction device 5 is installed inside the noise reduction box 3, a lens 2 is installed on the surface of the projector body 1, and a heat dissipation fan 4 is installed inside the noise reduction box 3.

The specific arrangement and function of the noise reducer 5 and the guard 6 will be described in detail below.

As shown in fig. 3 and 5, the noise reduction device 5 includes a noise reduction plate 501, the noise reduction plate 501 is slidably connected with the inside of the noise reduction box 3, a handle 502 is fixedly mounted on the side surface of the noise reduction plate 501, a block 503 is fixedly mounted on the surface of the noise reduction plate 501, two insertion holes 504 are formed in the side wall of the block 503, a sliding slot 505 is formed in the side surface of the noise reduction box 3, a spring 506 is fixedly mounted in the sliding slot 505, a slider 507 is fixedly mounted at one end of the spring 506 away from the sliding slot 505, two insertion rods 508 are fixedly mounted on the surface of the slider 507, a groove 509 is formed in the side surface of the noise reduction box 3, a sliding plate 510 is slidably connected in the groove 509, the sliding plate 510 moves in the groove 509 to drive the slider 507 to move in the sliding slot 505, the slider 507 moves in the sliding slot 505 to press the spring 506 in the sliding slot 505, the slider 507 is forced to compress the spring 506, and simultaneously, the sliding of the slider 507 also drives the insertion rods 508 to move in the sliding slot 505, the inserted link 508 moves to make itself move from the inside of the notch 511 to the inside of the sliding slot 505, at this time, the handle 502 is pushed, the handle 502 drives the sound-absorbing board 501 to move, when the block 503 on the surface of the sound-absorbing board 501 enters the inside of the notch 511, the sliding board 510 is loosened, the inserted link 508 is inserted into the inside of the insertion hole 504 by the resilience force of the spring 506, the inserted link 508 is inserted into the insertion hole 504, the sound-absorbing board 501 is firmly fixed inside the sound-absorbing box 3, through the cooperation of the above structure, the sound-absorbing board 501 is used to perform sound-absorbing treatment to the outlet air of the heat-radiating fan 4, the air flow noise during the work is reduced, and further the noise of the projector during the work is reduced, one end of the sliding board 510 far from the groove 509 is fixedly connected with the sliding block 507, the sliding block 507 is connected with the sliding slot 505 by the sliding board 510, the side of the sound-absorbing box 3 is provided with the notch 511, the size of the notch 511 is matched with the block 503, the size of the plunger 508 is adapted to the size of the receptacle 504.

The whole noise reduction device 5 achieves the effect that by arranging the noise reduction device 5, when the heat radiation fan 4 works, the sliding plate 510 in the sliding groove 509 moves in the groove 509 to drive the sliding block 507 to move in the sliding groove 505, the sliding block 507 moves in the sliding groove 505 to press the spring 506, so that the spring 506 is stressed and compressed, meanwhile, the sliding block 507 slides in the sliding groove 505 to drive the inserting rod 508 to move, the inserting rod 508 moves to move from the inside of the notch 511 to the inside of the sliding groove 505, at the moment, the handle 502 is pushed, the handle 502 drives the noise reduction plate 501 to move, when the clamping block 503 on the surface of the noise reduction plate 501 enters the inside of the notch 511, the sliding plate 510 is loosened, the inserting rod 508 is inserted into the inside of the inserting hole 504 by utilizing the resilience force of the spring 506, the inserting rod 508 is inserted into the inserting hole 504, so that the noise reduction plate 501 is firmly fixed in the noise reduction box 3, and through the matching of the structures, the muffling plate 501 is used for muffling the air discharged from the heat dissipation fan 4, so that the noise of the air flow during operation is reduced, and the noise of the projector during operation is reduced.

As shown in fig. 1 and 4, the upper and lower surfaces of the projector body 1 are provided with the protection devices 6, each protection device 6 includes a strip-shaped plate 601, two strip-shaped plates 601 are symmetrically distributed on the upper and lower sides of the projector body 1, a strip-shaped groove 602 is formed on the surface of each strip-shaped plate 601, a limit hole 603 is formed on the side surface of each strip-shaped plate 601, a connecting plate 604 is slidably connected inside the strip-shaped groove 602, the connecting plate 604 moves inside the strip-shaped groove 602 to drive a limit rod 611 to move, meanwhile, the connecting plate 604 moves inside the strip-shaped groove 602 to drive a baffle 605 to move, when the limit rod 611 moves to be at the same level with the limit hole 603, the rotating wheel 607 rotates to drive the rotating rod 606 to rotate, the rotating rod 606 rotates to drive the sliding plate 608 to move upwards inside the vertical groove 609, the sliding plate 608 moves upwards inside the vertical groove 609 to drive the rubber traction rod 610 to rotate, the rubber traction rod 610 rotates to push the limiting rod 611 to be inserted into the limiting hole 603, the limiting rod 611 is inserted into the limiting hole 603, the position of the baffle 605 at the moment is fixed, the baffle 605 can block the lens 2 through the matching of the structures, further, a large amount of dust outside can be prevented from covering the surface of the lens 2, the lens 2 is reduced from being stained with dust, and the projection effect of the projector is prevented from being influenced when the lens is used next time, the baffle 605 is fixedly arranged between the two connecting plates 604, the surface of the connecting plate 604 is rotatably connected with the threaded rod 606, the threaded rod 606 is rotatably connected with the connecting plate 604 through the rotating wheel 607, the limiting rod 611 is slidably connected with the connecting plates 604 through the rubber traction rod 610, the rotating wheel 607 is fixedly arranged at one end port of the threaded rod 606, the sliding plate 608 is connected with the surface of the threaded rod 606 through the sliding rod 609, and the limiting rod 611 is inserted into the limiting hole 603 through the rubber traction rod 610, vertical grooves 609 are formed in the inner walls of two sides of the connecting plate 604, a rubber traction rod 610 is hinged to the surface of the sliding plate 608, and a limiting rod 611 is hinged to one end, far away from the sliding plate 608, of the rubber traction rod 610.

The whole protection device 6 has the effects that by arranging the protection device 6, when the projector body 1 is used, the connecting plate 604 slides, the connecting plate 604 moves in the strip-shaped groove 602 to drive the limiting rod 611 to move, meanwhile, the connecting plate 604 moves in the strip-shaped groove 602 to drive the baffle 605 to move, when the limiting rod 611 moves to be in the same horizontal plane with the limiting hole 603, the rotating wheel 607 rotates to drive the rotating wheel 607 to rotate to drive the threaded rod 606 to rotate, the threaded rod 606 rotates to drive the sliding plate 608 to move upwards in the vertical groove 609, the sliding plate 608 moves upwards in the vertical groove 609 to drive the rubber traction rod 610 to rotate, the rubber traction rod 610 rotates to push the limiting rod 611 to be inserted into the limiting hole 603, the limiting rod 611 and the limiting hole 603 are inserted to fix the position of the baffle 605 at the moment, the baffle 605 can block the lens 2 through the matching of the structures, so that a large amount of external dust can be prevented from covering the surface of the lens 2, and the dust fully attached to the lens 2 is reduced, and the influence on the projection effect of the projector in the next use is avoided.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A noise reduction type projector includes a projector body (1) and a noise reduction device (5), and is characterized in that: the projector comprises a projector body (1), wherein a silencing box (3) is fixedly mounted on the surface of the projector body (1), a noise reduction device (5) is arranged in the silencing box (3), the noise reduction device (5) comprises a silencing plate (501), the silencing plate (501) is in sliding connection with the silencing box (3), a handle (502) is fixedly mounted on the side surface of the silencing plate (501), a clamping block (503) is fixedly mounted on the surface of the silencing plate (501), two insertion holes (504) are formed in the side wall of the clamping block (503), a sliding groove (505) is formed in the side surface of the silencing box (3), a spring (506) is fixedly mounted in the sliding groove (505), a sliding block (507) is fixedly mounted at one end, far away from the sliding groove (505), of the spring (506), two insertion rods (508) are fixedly mounted on the surface of the sliding block (507), and a groove (509) is formed in the side surface of the silencing box (3), the inside sliding connection of recess (509) has slide plate (510), the side of amortization box (3) is seted up jaggedly (511).

2. A noise reduction type projector according to claim 1, wherein: the size of the notch (511) is matched with that of the clamping block (503), and the size of the inserted rod (508) is matched with that of the insertion hole (504).

3. A noise reduction type projector according to claim 1, wherein: one end, far away from the groove (509), of the sliding plate (510) is fixedly connected with the sliding block (507), and the sliding block (507) is in sliding connection with the sliding groove (505) through the sliding plate (510).

4. A noise reduction type projector according to claim 1, wherein: the surface of the projector body (1) is provided with a lens (2), and the interior of the silencing box (3) is provided with a heat dissipation fan (4).

5. A noise reduction type projector according to claim 1, wherein: the projector comprises a projector body (1), wherein protective devices (6) are arranged on the surfaces of the upper side and the lower side of the projector body (1), each protective device (6) comprises a strip-shaped plate (601), the two strip-shaped plates (601) are symmetrically distributed on the upper side and the lower side of the projector body (1), a strip-shaped groove (602) is formed in the surface of each strip-shaped plate (601), a limiting hole (603) is formed in the side surface of each strip-shaped plate (601), a connecting plate (604) is slidably connected inside each strip-shaped groove (602), a baffle (605) is fixedly installed between the two connecting plates (604), a threaded rod (606) is rotatably connected to the surface of each connecting plate (604), a rotating wheel (607) is fixedly installed at one end port of each threaded rod (606), a sliding plate (608) is connected to the surface of each threaded rod (606), vertical grooves (609) are formed in the inner walls of the two sides of each connecting plate (604), and rubber traction rods (610) are hinged to the surfaces of the sliding plates (608), one end of the rubber traction rod (610) far away from the sliding plate (608) is hinged with a limiting rod (611).

6. A noise reduction type projector according to claim 5, wherein: the threaded rod (606) is rotatably connected with the connecting plate (604) through a rotating wheel (607), and the limiting rod (611) is slidably connected with the connecting plate (604) through a rubber traction rod (610).

7. A noise reduction type projector according to claim 5, wherein: the sliding plate (608) is connected with the vertical groove (609) in a sliding mode through a threaded rod (606), and the limiting rod (611) is connected with the limiting hole (603) in an inserting mode through a rubber traction rod (610).