CN209992794U

CN209992794U - Sealing device and projector

Info

Publication number: CN209992794U
Application number: CN201821869212.3U
Authority: CN
Inventors: 吴焕章; 许长征; 胡震宇
Original assignee: Shenzhen Huole Science and Technology Development Co Ltd
Current assignee: Shenzhen Huole Science and Technology Development Co Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2020-01-24
Anticipated expiration: 2028-11-13

Abstract

The utility model relates to a sealing device and projecting apparatus, this sealing device include first sealed arm and second sealed arm, the terminal surface of first sealed arm and second sealed arm is connected and is buckled each other, the projecting apparatus still includes ray apparatus camera lens, preceding shell and drive assembly, the tip of ray apparatus camera lens inserts sealed intracavity and with the laminating of the internal surface of second sealed arm, so that the ray apparatus camera lens is in when removing under drive assembly's the drive, the tip of ray apparatus camera lens all the time with second sealed arm in close contact with. The utility model discloses a sealing device and projecting apparatus, first seal arm and second seal arm and ray apparatus camera lens in this sealing device in close contact with can realize the effective sealing to the ray apparatus camera lens at the in-process that the ray apparatus camera lens removed and focuses, reach waterproof, dirt-proof purpose, and simple structure, the reliability is high, has improved the life of projecting apparatus.

Description

Sealing device and projector

Technical Field

The utility model relates to a sealed and projection field especially relates to a sealing device and projecting apparatus.

Background

With the development of projection technology, projectors are gradually and widely used in homes, schools, entertainment places and the like, and the control of projection images is mainly realized by the back and forth movement of the optical lens in the projection equipment, so that the optical lens as a main optical element affects the performances of the projectors, such as the service life, the brightness, the contrast and the like.

The existing dust-proof device of the optical machine lens has complex structure and high cost, is fixed on the shell of the projector and is difficult to clean, and dust in the air can enter the front of the lens through a gap between the dust-proof device and the optical machine lens, thereby reducing the definition of a projection picture and the service life of the optical machine lens.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a sealing device and a projector, and the projector using the sealing device can completely seal an optical machine lens, and has simple structure and high reliability.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a sealing device, includes first sealed arm and second sealed arm, the terminal surface of first sealed arm and the terminal surface of second sealed arm are connected and are buckled each other, so that form a sealed chamber between first sealed arm and the second sealed arm, first sealed arm and second sealed arm are the annular, one side opening in sealed chamber.

In a preferred embodiment, a gap is provided between the other end surfaces of the first and second seal arms, and the end surface of the first seal arm is higher than the end surface of the second seal arm, and a mounting surface is provided on the end surface of the second seal arm.

In a preferred embodiment, the material of the sealing device is rubber or silicone.

The utility model also provides a projector, including foretell sealing device, still include ray apparatus camera lens, preceding shell and drive assembly, drive assembly with ray apparatus camera lens is connected, first sealed arm with preceding shell is connected, ray apparatus camera lens's tip inserts sealed intracavity and with the laminating of the internal surface of the sealed arm of second, so that ray apparatus camera lens is in when moving under drive assembly's the drive, ray apparatus camera lens's tip all the time with the sealed arm in close contact with of second.

In a preferred embodiment, the end face of the optical mechanical lens abuts against the mounting surface, the outer surface of the end portion of the optical mechanical lens is attached to the inner surface of the first sealing arm, a mounting groove is formed in the front shell, and the end portion of the second sealing arm is inserted into the mounting groove.

In a preferred embodiment, the driving assembly includes a first gear and a second gear that are engaged with each other, the first gear is connected to a motor, the second gear is connected to the optical engine lens, the motor drives the first gear to drive the second gear to rotate, and the second gear drives the optical engine lens to move.

In a preferred embodiment, the optical engine further comprises a housing and a rear housing, two ends of the housing are respectively connected with the front housing and the rear housing, the front housing, the rear housing and the housing enclose an accommodating space, and the optical engine lens and the driving assembly are located in the accommodating space.

In a preferred embodiment, the optical engine further comprises a lighting device for providing light to the optical engine lens, the lighting device is located in the accommodating space, and an LED lamp is arranged in the lighting device.

In a preferred embodiment, the front shell is provided with an optical engine glass corresponding to the position of the optical engine lens, and a camera is further arranged below the optical engine glass.

In a preferred embodiment, heat dissipation windows for ventilation are provided on both sides of the outer case and the rear case.

The utility model has the advantages that: the utility model discloses a sealing device and projecting apparatus, first seal arm and second seal arm and ray apparatus camera lens in this sealing device in close contact with can realize the effective sealing to the ray apparatus camera lens at the in-process that the ray apparatus camera lens removed and focuses, reach waterproof, dirt-proof purpose, and simple structure, the reliability is high, has improved the life of projecting apparatus.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of an embodiment of the sealing device of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the projector of the present invention;

fig. 3 is an exploded view of an embodiment of the projector of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of the projection module of the present invention;

fig. 5 is a partial sectional view of an embodiment of the projector according to the present invention.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

Referring to fig. 1, a sealing device 100 in the present embodiment includes a first sealing arm 110 and a second sealing arm 120, one side of the first sealing arm 110 and one side of the second sealing arm 120 are integrally connected and bent to each other, a sealing cavity 130 is formed between the bent first sealing arm 110 and the second sealing arm 120, the other side of the first sealing arm 110 and the other side of the second sealing arm 120 are not connected, so that one side of the sealing cavity 130 is open, the first sealing arm 110 and the second sealing arm 120 are connected to a structure to be sealed, so as to implement a sealing function, and when the sealing structure moves, the sealing cavity 130 leaves a room for movement for the first sealing arm 110 and the second sealing arm 120, so that the first sealing arm 110 and the second sealing arm 120 can follow the structure to move like an elastic body, thereby constantly maintaining sealing and dust-proof performance at the sealing position.

The cross sections of the first seal arm 110 and the second seal arm 120 in this embodiment are both annular, the thicknesses of the first seal arm 110 and the second seal arm 120 can be determined according to actual conditions, and the cross sections of the first seal arm 110 and the second seal arm 120 can also be set to be rectangular, polygonal or other shapes.

Preferably, the end face of the second sealing arm 120 in this embodiment is further provided with a mounting surface 140, the mounting surface 140 is provided with a circle along the inner edge of the second sealing arm 120, the mounting surface 140 can be used for connecting a sealing structure for sealing, and the connection strength between the structure and the second sealing arm 120 is enhanced, so that the second sealing arm 120 can flexibly follow the sealing structure to move.

The sealing device 100 in this embodiment may be made of a silicone or rubber material, which has stable chemical properties, and is dustproof and waterproof, and has certain elasticity.

Referring to fig. 2-3, the utility model provides a projector 200 still, this projector 200 includes projection subassembly 210 and installation shell 220, installation shell 220 includes shell 223, epitheca 222 and preceding shell 221, the cross-section of this shell 223 is the rectangle, including four sides of interconnect, synthetic round is enclosed to this side, and be connected with the bottom terminal surface, form a box-shaped body, the upper portion opening of shell 223, projection subassembly 210 can be put into in shell 223 from this opening part, epitheca 222 is installed in the up end of this shell 223, make the opening part of shell 223 seal, all be equipped with heating panel 224 on the both sides of shell 223 and the rear end face, be equipped with louvre and/or bar heat dissipation muscle on this heating panel 224, the heat that projection subassembly 210 work of being convenient for produced distributes to the projector 200 outside fast, guarantee projector 200's normal work.

The front shell 221 is mounted on the front end face of the housing 223, a first through hole 2231 is formed in the front end face of the housing 223, a second through hole 2211 is formed in the front shell 221, the first through hole 2231 is communicated with the second through hole 2211, and a lens picture generated by the projection assembly 210 can be projected from the through hole to complete projection. The front shell 221 is further provided with a mounting groove 2212, the optical glass 225 can be embedded into the mounting groove 2212, the second through hole 2211 is located at the upper portion of the mounting groove 2212, and the lower portion of the mounting groove 2212 is further provided with a camera hole 2213.

The front case 221, the upper case 222, the housing 223 and the heat dissipation plate 224 in this embodiment may be connected by other means such as a snap fit or a screw fastening.

Referring to fig. 4, the projection assembly 210 in this embodiment includes an optical engine lens 211 and a lens housing 212, the optical engine lens 211 is inserted into the lens housing 212, and one end of the optical engine lens 211 extends out of the lens housing 212, the optical engine lens 211 can move relative to the lens housing 212 under the driving of a driving assembly, the driving assembly is mounted on the outer surface of the lens housing 212, the driving assembly includes a motor 215, a first gear 213 and a second gear 214 that are engaged with each other, the motor 215 is connected to the first gear 213, so that the first gear 213 is driven by the motor 215 to rotate, the first gear 213 drives the second gear 214 to rotate, preferably, the second gear 214 is a helical gear, a mounting hole is formed on the lens housing 212, the second gear 214 is connected to the optical engine lens 211 through the mounting hole, so that the second gear 214 drives the optical engine lens 211 to move during the rotation, thereby facilitating the front and back focusing of the optical engine lens 211, and an illumination device 216 is further disposed at the other end of the lens housing 212, an LED lamp is provided in the lighting device 216, and the LED lamp shines after being powered on, so as to provide light for imaging of the optical-mechanical lens 211.

Referring to fig. 5, the end of the optical lens 211 is embedded into the inner surface of the second sealing arm 120 of the sealing device 100, the end surface of the optical lens 211 abuts against the mounting surface 140, and the end of the first sealing arm 110 is inserted into the limiting groove of the front shell 221, so that the sealing device 100 is mounted in the projector 200, because the first sealing arm 110 and the front shell 221 are relatively fixed, when the optical lens 211 is driven by the driving component to move, the end of the optical lens 211 extrudes or changes the sealing cavity 130, so that the end of the optical lens 211 is always in contact with the inner side surface of the second sealing arm 120 and the mounting surface 140, thereby achieving the effects of dust prevention, water prevention and sealing, and effectively ensuring the service life of the projector 200.

Preferably, after the optical mechanical lens 211 is installed, when the optical mechanical lens 211 is in a retracted state, the installation surface 140 is just in an initial state (perpendicular to the second seal arm 120), and since the end surface of the installation surface 140 is lower than the end surface of the first seal arm 110, when the optical mechanical lens 211 is driven by the driving component to move forward, the connection between the installation surface 140 and the side surface of the second seal arm 120 and the optical mechanical lens 211 is tighter, so that the sealing effect of the sealing device 100 on the optical mechanical lens 211 is improved, and the reliability is high.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The sealing device is characterized by comprising a first sealing arm and a second sealing arm, wherein the end face of the first sealing arm and the end face of the second sealing arm are connected and bent mutually, so that a sealing cavity is formed between the first sealing arm and the second sealing arm, the first sealing arm and the second sealing arm are annular, and one side of the sealing cavity is opened.

2. The sealing device according to claim 1, wherein a gap is provided between the other end faces of the first and second seal arms, and the end face of the first seal arm is higher than the end face of the second seal arm, and a mounting face is provided on the end face of the second seal arm.

3. The sealing device of claim 1, wherein the sealing device is made of rubber or silicone.

4. A projector, comprising the sealing device of claim 2, further comprising an optical mechanical lens, a front housing and a driving assembly, wherein the driving assembly is connected to the optical mechanical lens, the first sealing arm is connected to the front housing, and an end of the optical mechanical lens is inserted into the sealing cavity and attached to an inner surface of the second sealing arm, so that when the optical mechanical lens is driven by the driving assembly to move, the end of the optical mechanical lens is always in close contact with the second sealing arm.

5. The projector according to claim 4, wherein the end face of the optical mechanical lens abuts against the mounting surface, the outer surface of the end portion of the optical mechanical lens abuts against the inner surface of the first sealing arm, the front housing is provided with a mounting groove, and the end portion of the second sealing arm is inserted into the mounting groove.

6. The projector as claimed in claim 4, wherein the driving assembly includes a first gear and a second gear engaged with each other, the first gear is connected to a motor, the second gear is connected to the optical mechanical lens, the motor drives the first gear to rotate the second gear, and the second gear drives the optical mechanical lens to move.

7. The projector as claimed in claim 4, further comprising a housing and a rear housing, wherein two ends of the housing are respectively connected to the front housing and the rear housing, the front housing, the rear housing and the housing enclose an accommodation space, and the optical mechanical lens and the driving assembly are located in the accommodation space.

8. The projector as claimed in claim 7, further comprising an illumination device for providing light to the optical engine lens, wherein the illumination device is located in the accommodating space, and an LED lamp is disposed in the illumination device.

9. The projector according to claim 4, wherein an optical engine glass corresponding to the position of the optical engine lens is disposed on the front housing, and a camera is disposed below the optical engine glass.

10. The projector as claimed in claim 7, wherein heat radiation windows for ventilation are provided on both sides of the outer case and the rear case.