CN218866292U

CN218866292U - Dustproof projector

Info

Publication number: CN218866292U
Application number: CN202222711020.2U
Authority: CN
Inventors: 刘增玮; 张萍萍
Original assignee: Jinan Minglu Electronic Technology Co ltd
Current assignee: Luoyang Bailey Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-14
Anticipated expiration: 2032-10-14

Abstract

The utility model provides a dustproof projecting apparatus, including the projecting apparatus casing, the camera lens is installed to projecting apparatus casing side, the air outlet has been seted up to projecting apparatus casing and the adjacent side of camera lens, the air outlet inboard is equipped with the radiator fan with projecting apparatus casing fixed connection, a side that the air outlet was kept away from to the projecting apparatus casing is equipped with the air intake, the air outlet outside is equipped with the air-collecting cover, the air-collecting cover passes through screw and projecting apparatus casing fixed connection, the defeated tuber pipe is installed to the one side that the air-collecting cover deviates from the projecting apparatus casing, the defeated tuber pipe other end links to each other with annular cover and communicates with each other, annular cover sets up at the camera lens front side and arranges with the camera lens is concentric, the one side that annular cover deviates from the projecting apparatus casing is annular equidistance and has seted up a plurality of exhaust vents, one side that annular cover deviates from the camera lens is equipped with the shielding piece that is used for the shutoff to hide the camera lens, the utility model discloses following beneficial effect has: dust floating in the air is prevented from adhering to the surface of the lens when the projector is in operation.

Description

Dustproof projector

Technical Field

The utility model relates to a dustproof projecting apparatus belongs to the projecting apparatus field.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain. At present, in order to prevent dust from adhering to a lens in a projector under the condition of nonuse, a lens cover is often used for blocking the lens, the lens cover is opened when the projector works, the lens is in an exposed state, namely, the projector lacks a dustproof measure when the lens works, and dust floating in the air is easily adhered to the surface of the lens to influence the projection quality of the lens.

Disclosure of Invention

The utility model aims at providing a dustproof projecting apparatus to solve the problem that proposes in the above-mentioned background art, the utility model discloses levitate dust is attached to the camera lens surface at the projecting apparatus during operation in the prevention air.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a dustproof projecting apparatus, includes the projecting apparatus casing, the camera lens is installed to projecting apparatus casing side, the air outlet has been seted up to projecting apparatus casing and the adjacent side of camera lens, the air outlet inboard is equipped with radiator fan with projecting apparatus casing fixed connection, a side that the air outlet was kept away from to the projecting apparatus casing is equipped with the air intake, the air outlet outside is equipped with the air-collecting cover, the air-collecting cover passes through screw and projecting apparatus casing fixed connection, the air duct is installed to the one side that the air duct deviates from the projecting apparatus casing, the air duct other end links to each other with annular cover and communicates with each other, annular cover sets up at the camera lens front side and arranges with the camera lens is concentric, the one side that the annular cover deviates from the projecting apparatus casing is annular equidistance and has seted up a plurality of exhaust vents, one side that the annular cover deviates from the camera lens is equipped with the shielding piece that is used for the shutoff to hide the camera lens.

Furthermore, the shielding piece comprises a round cover used for covering the annular cover, the round cover is fixedly connected with the movable end of the electric push rod, the electric push rod is installed in the cover, and the cover is fixedly connected with the projector shell.

Further, the one side edge fixedly connected with of dome towards the projecting apparatus casing links the board, electric putter expansion end extends to the shroud outside and with link board fixed connection.

Furthermore, one end of the connecting plate, which is far away from the round cover, is fixedly connected with a sliding block, and the sliding block is in sliding contact with the surface of the projector shell.

Furthermore, the two parallel sides of the wind collecting cover are fixedly connected with connecting strips with holes, and the connecting strips are fixedly connected with the projector shell through two screws.

Further, the air inlet outside is equipped with the rectangle frame, the rectangle frame passes through screw and projecting apparatus casing fixed connection, install the filter screen that is used for filtering the dust in the rectangle frame.

Further, four support legs are fixedly connected to the bottom of the projector shell, and the support legs are arranged at corners of the bottom of the projector shell.

The utility model has the advantages that:

1. the projecting apparatus is at the during operation, radiator fan in the projecting apparatus casing works, outside air passes through the air intake and gets into in the projecting apparatus casing, the air passes through air outlet discharge projecting apparatus casing afterwards, realize the heat dissipation of projecting apparatus, air from air outlet exhaust flows into annular cover through the defeated tuber pipe under the collection of air-collecting cover in, the air that gets into in the annular cover flows out through a plurality of exhaust vents afterwards, realize forming the air curtain of circle around the camera lens, make the dust that floats around the camera lens blown to the region of keeping away from the camera lens, the floated dust attached to on the camera lens surface at the projecting apparatus during operation in the prevention air, the dustproof effect to the camera lens is improved.

2. The air curtain is formed around the lens by utilizing the air flow generated by the cooling fan, and no additional air supply equipment is needed, so that the cooling and dust prevention are integrated, and the energy consumption is reduced.

3. When the projector works, the electric push rod is contracted to separate the round cover from the annular cover, and when the projector stops working, the electric push rod is extended until the round cover and the annular cover coincide to play a role in hiding the lens.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a dustproof projector according to the present invention;

fig. 2 is a schematic view illustrating an assembly of a heat dissipation fan and a projector housing in the dustproof projector according to the present invention;

fig. 3 is a cross-sectional view of an annular cover in a dustproof projector according to the present invention;

fig. 4 is an assembly diagram of the electric push rod, the cover cap and the round cap in the dustproof projector according to the present invention;

in the figure: the projector comprises a projector shell, a fan collecting cover 2, an air conveying pipe 3, a support leg 4, a connecting bar 5, an annular cover 6, a lens 7, a round cover 8, a cover cap 9, a cooling fan 10, an air outlet 11, an air inlet 12, a rectangular frame 13, a filter screen 14, an air outlet 15, an electric push rod 16, a sliding block 17 and a connecting plate 18.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a dustproof projecting apparatus, including projecting apparatus casing 1, through all fixed stabilizer blade 4 in four corners in projecting apparatus casing 1 bottom, realize the balanced support to projecting apparatus casing 1, projecting apparatus casing 1 provides installation space for parts such as circuit board, light path, wherein parts such as circuit board, light path have fully disclosed in prior art, therefore do not describe herein, camera lens 7 is installed to a projecting apparatus casing 1 side, make air outlet 11 set up in a projecting apparatus casing 1 and the adjacent side of camera lens 7, and set up radiator fan 10 in air outlet 11 inboard, utilize the screw to make radiator fan 10 and projecting apparatus casing 1 fixed connection, radiator fan 10 during operation, outside air passes through projecting apparatus casing 1 and keeps away from the air inlet 12 on the air outlet 11 side and gets into projecting apparatus casing 1, air passes through air outlet 11 and discharges projecting apparatus casing 1 afterwards, realize radiating purpose, when air passes through air inlet 12 and gets into projecting apparatus casing 1, at first air flows through filter screen 14 in the rectangle frame 13, filter screen 14 filters the dust in the air current, prevent that dust in the air from getting into projecting apparatus casing 1 at will get into at will, be convenient for dismantle and handle dust on the screw on the filter screen 14 on the rectangle frame 1, it clears up the filter screen 14 to be convenient for the dust.

Referring to fig. 1, 2 and 3, a wind-collecting cover 2 is disposed outside an air outlet 11, then a screw is used to fix a connecting strip 5 on two parallel sides of the wind-collecting cover 2 on a projector housing 1, so as to complete the fixed connection between the wind-collecting cover 2 and the projector housing 1, at this time, an annular cover 6 is disposed in front of a lens 7 and is arranged concentrically with the lens 7, a wind-conveying pipe 3 connected between the annular cover 6 and the wind-collecting cover 2 plays a role of conveying wind on one hand, and on the other hand, the annular cover 6 is supported, air discharged from the air outlet 11 flows into the annular cover 6 through the wind-conveying pipe 3 under the collection of the wind-collecting cover 2, and then the air entering the annular cover 6 flows out through a plurality of air outlets 15 formed in an annular equidistant manner on one side of the annular cover 6 departing from the projector housing 1, so as to form a ring-shaped air curtain around the lens 7, so that dust floating around the lens 7 is blown to an area far from the lens 7, thereby preventing the dust from attaching to the surface of the lens 7 when the projector is in operation, improving the dust-proof effect on the lens 7, additionally generating air, additionally generated by using a heat-dissipating fan 10, and increasing the air flow around the dust-supplying flow around the lens 7, thereby reducing the dust-proof device and reducing the dust-dissipating device.

Referring to fig. 1 and 4, the electric push rod 16 is installed in the cover cap 9, the cover cap 9 is fixed on one surface of the projector housing 1 where the lens 7 is installed, hiding of the electric push rod 16 is completed, and the appearance is attractive, the connecting plate 18 is used for connecting the round cover 8 and the movable end of the electric push rod 16, the end, far away from the round cover 8, of the connecting plate 18 is fixed with the sliding block 17 in sliding contact with the projector housing 1, the sliding block 17 plays a role in preventing the round cover 8 from rotating, so that the round cover 8 smoothly covers the annular cover 6, when the projector works, the electric push rod 16 is contracted, the electric push rod 16 drives the round cover 8 to move through the connecting plate 18, at this time, the sliding block 17 slides along the surface of the projector housing 1, when the electric push rod 16 is completely contracted, the round cover 8 is separated from the annular cover 6, so that the lens 7 is in an exposed state, when the projector stops working, the electric push rod 16 extends and drives the round cover 8 to move reversely until the round cover 8 coincides with the annular cover 6, and the function of hiding the lens 7 is achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. A dustproof projector, includes projector housing (1), its characterized in that: camera lens (7) are installed to projector shell (1) a side, air outlet (11) have been seted up to a side that projector shell (1) is adjacent with camera lens (7), air outlet (11) inboard is equipped with radiator fan (10) with projector shell (1) fixed connection, a side that air outlet (11) were kept away from in projector shell (1) is equipped with air intake (12), air outlet (11) outside is equipped with air-collecting cover (2), air-collecting cover (2) are through screw and projector shell (1) fixed connection, air-collecting cover (2) deviate from the one side of projector shell (1) and install defeated tuber pipe (3), defeated tuber pipe (3) other end links to each other with annular cover (6) and communicates with each other, annular cover (6) set up at camera lens (7) front side and arrange with one heart with camera lens (7), the one side that annular cover (6) deviate from projector shell (1) is the annular equidistance and has seted up a plurality of exhaust vents (15), one side that annular cover (6) deviate from camera lens (7) is equipped with the sheltering from and is used for shutoff camera lens (7) shelters from the piece.

2. A dust-proof projector according to claim 1, wherein: the shielding part comprises a round cover (8) used for covering the annular cover (6), the round cover (8) is fixedly connected with the movable end of an electric push rod (16), the electric push rod (16) is installed in a cover cap (9), and the cover cap (9) is fixedly connected with the projector shell (1).

3. A dust-proof projector according to claim 2, characterized in that: one side edge fixedly connected with even board (18) of dome (8) towards projecting apparatus casing (1), electric putter (16) expansion end extends to the shroud (9) outside and with even board (18) fixed connection.

4. A dust-proof projector according to claim 3, wherein: one end of the connecting plate (18) far away from the round cover (8) is fixedly connected with a sliding block (17), and the sliding block (17) is in sliding contact with the surface of the projector shell (1).

5. A dust-proof projector according to claim 1, characterized in that: the fan cover is characterized in that two parallel side faces of the fan cover (2) are fixedly connected with connecting strips (5) with holes, and the connecting strips (5) are fixedly connected with the projector shell (1) through two screws.

6. A dust-proof projector according to claim 1, characterized in that: air intake (12) outside is equipped with rectangle frame (13), rectangle frame (13) pass through screw and projecting apparatus casing (1) fixed connection, install filter screen (14) that are used for filtering the dust in rectangle frame (13).

7. A dust-proof projector according to claim 1, characterized in that: four stabilizer blades (4) are fixedly connected to the bottom of the projector shell (1), and the stabilizer blades (4) are arranged at the corners of the bottom of the projector shell (1).