CN216145073U

CN216145073U - Screen projection device

Info

Publication number: CN216145073U
Application number: CN202121948516.0U
Authority: CN
Inventors: 沈俊彦; 吴志强; 杜浩; 水玉香
Original assignee: Shanghai Leadpideas System Co ltd
Current assignee: Shanghai Leadpideas System Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-29
Anticipated expiration: 2031-08-18

Abstract

The utility model belongs to the field of projection, and particularly relates to a screen projecting device which comprises a main body, wherein a screen projecting lens is arranged on the inner side of the main body, a protective cleaning mechanism is arranged on one side of the main body, the protective cleaning mechanism comprises a hinge, and a protective glass cover is fixedly connected to the other side of the hinge; through throwing the screen camera lens, protection clearance mechanism, the hinge, the cover of cover glass, the connecting block, a slide rail, a pulley, the driving frame, the clearance pole, the cleaning brush, the structural design of electric telescopic push rod and flexible seat, realized going on the function with the protection clearance to throwing screen camera lens, it can lead to the camera lens to fall into the dust to have solved long-term work, unable effectual clearance can lead to the not good condition of projection effect, and the clearance makes needs the manual clearance of staff, it is loaded down with trivial details to clear up, and staff's the amount of labour has been increaseed, thereby the practicality problem of this screen device of throwing has been reduced, thereby provide better guarantee for this screen device's clearance of throwing, the intensity of labour has been alleviateed.

Description

Screen projection device

Technical Field

The utility model relates to the field of projection, in particular to a screen projection device.

Background

Projection refers to projecting the shape of an object onto a plane with a set of light rays, called projection, and obtaining an image on the plane, also called projection, which can be divided into orthographic projection and oblique projection, wherein orthographic projection refers to the projection with the center line of the projection line perpendicular to the plane of the projection, and the projection center line of the projection line not perpendicular to the projection plane, called oblique projection, and there are many devices that can project images, such as a projection screen.

The screen projection device is also called a projector, and is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals.

But the screen device of throwing that uses at present is most not good to the effect of protection clearance, can lead to the camera lens to fall into the dust in long-term work, and unable effectual clearance can lead to the not good condition of projection effect, and the clearance makes and needs the manual clearance of staff, and the clearance is loaded down with trivial details, and has increaseed staff's the amount of labour to reduced this screen device of throwing practicality problem, so, propose one kind to above-mentioned problem and throw the screen device.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem of poor protection and cleaning effects, the utility model provides a screen projection device.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the screen projecting device comprises a main body, wherein a screen projecting lens is arranged on the inner side of the main body, a protective cleaning mechanism is arranged on one side of the main body and comprises a hinge, a protective glass cover is fixedly connected to the other side of the hinge, a connecting block is fixedly connected to the outer side of the protective glass cover, slide rails are arranged on the upper side and the lower side of the connecting block respectively, a pulley is arranged on the inner side of each slide rail, a transmission frame is fixedly connected to one side of the pulley, a cleaning rod is fixedly connected to the other end of the transmission frame, a cleaning brush is fixedly connected to the inner side of the cleaning rod, an electric telescopic push rod is fixedly connected to one side of the transmission frame, and a telescopic seat is fixedly connected to the other end of the electric telescopic push rod.

The top of main part is provided with adjustment mechanism, adjustment mechanism includes the connecting plate, the inboard fixedly connected with pivot of connecting plate, one side fixedly connected with electric lift push rod of pivot, electric lift push rod's other end fixedly connected with lift seat.

Preferably, the sealing strip is arranged on the inner side of the main body, the sealing strip is tightly attached to the main body, and the size of the sealing strip is matched with that of the protective glass cover.

Preferably, the upper portion of main part is provided with installation mechanism, and installation mechanism includes the base, and the equal fixedly connected with installation piece in base both sides, and the inboard of installation piece has seted up the mounting hole.

Preferably, the main body is movably connected with the electric lifting push rod through a rotating shaft, and the connecting plate is arranged in a symmetrical axis mode with the vertical middle axis of the rotating shaft.

Preferably, the main body, the electric lifting push rod and the lifting seat form a lifting structure, and the electric lifting push rod and the lifting seat are vertically distributed.

Preferably, the cover glass is movably connected with the main body through a hinge, and the hinge is arranged on a vertical middle axis symmetry axis of the cover glass.

Preferably, the cleaning brushes, the pulleys and the sliding rail form a sliding structure, and the number of the cleaning brushes is three.

Preferably, the cleaning brush, the electric telescopic push rod and the telescopic seat form a telescopic structure, and the electric telescopic push rod and the telescopic seat are vertically distributed.

The utility model has the advantages that:

1. the utility model realizes the function of protecting and cleaning the screen projecting lens through the structural design of the screen projecting lens, the protective cleaning mechanism, the hinge, the protective glass cover, the connecting block, the slide rail, the pulley, the transmission frame, the cleaning rod, the cleaning brush, the electric telescopic push rod and the telescopic seat, solves the problem that the lens falls into dust and the projection effect is poor due to ineffective cleaning after long-term work, and the cleaning requires manual cleaning by workers, so that the cleaning is complicated, and the labor capacity of the workers is increased, thereby reducing the practicability of the screen projecting device, and when the screen projecting lens works, the protective glass cover is rotated and closed through the hinge, thereby providing better guarantee for the protection of the screen projecting lens, when the protective glass cover works in a fuzzy state, the electric telescopic push rod is started to drive the cleaning rod to stretch, so that the cleaning rod drives the pulley to slide on the slide rail through the transmission frame, the cleaning brush can automatically clean the surface of the protective glass cover, so that better guarantee is provided for cleaning the screen throwing device, and labor intensity is reduced;

2. according to the utility model, through the structural design of the adjusting mechanism, the connecting plate, the rotating shaft, the electric lifting push rod and the lifting seat, the function of adjusting the screen projecting device is realized, the problem that the screen projecting efficiency is poor due to the fact that the screen projecting position cannot be adjusted after installation is solved, and the problem that the application range of the screen projecting device is influenced is solved.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of an embodiment in a front view;

FIG. 2 is a schematic structural view of a protective cleaning mechanism according to an embodiment;

FIG. 3 is a schematic structural view of an adjustment mechanism of the embodiment;

FIG. 4 is a schematic structural view of a mounting mechanism according to an embodiment;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a main body; 2. a screen projection lens; 3. a sealing strip; 4. a protective cleaning mechanism; 401. a hinge; 402. a cover glass; 403. connecting blocks; 404. a slide rail; 405. a pulley; 406. a transmission frame; 407. cleaning the rod; 408. cleaning a brush; 409. an electric telescopic push rod; 410. a telescopic base; 5. an adjustment mechanism; 501. a connecting plate; 502. a rotating shaft; 503. an electric lifting push rod; 504. a lifting seat; 6. an installation mechanism; 601. a base; 602. mounting a sheet; 603. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-5, a screen projecting device, which comprises a main body 1, a screen projecting lens 2 is arranged on the inner side of the main body 1, a protective cleaning mechanism 4 is arranged on one side of the main body 1, the protective cleaning mechanism 4 comprises a hinge 401, a protective glass cover 402 is fixedly connected to the other side of the hinge 401, a connecting block 403 is fixedly connected to the outer side of the protective glass cover 402, slide rails 404 are respectively arranged on the upper side and the lower side of the connecting block 403, a pulley 405 is arranged on the inner side of the slide rails 404, a transmission frame 406 is fixedly connected to one side of the pulley 405, a cleaning rod 407 is fixedly connected to the other end of the transmission frame 406, a cleaning brush 408 is fixedly connected to the inner side of the cleaning rod 407, an electric telescopic push rod 409 is fixedly connected to one side of the transmission frame 406, and a telescopic base 410 is fixedly connected to the other end of the electric telescopic push rod 409.

An adjusting mechanism 5 is arranged above the main body 1, the adjusting mechanism 5 comprises a connecting plate 501, a rotating shaft 502 is fixedly connected to the inner side of the connecting plate 501, an electric lifting push rod 503 is fixedly connected to one side of the rotating shaft 502, and a lifting seat 504 is fixedly connected to the other end of the electric lifting push rod 503.

In this embodiment, the inboard of main part 1 is provided with sealing strip 3, and sealing strip 3 with main part 1 be closely laminated, and the size of sealing strip 3 is identical with cover glass 402's size, through the setting of sealing strip 3, can be after cover glass 402 is rotatory to be closed for inside sealed effect that provides.

In this embodiment, the top of main part 1 is provided with installation mechanism 6, and installation mechanism 6 includes base 601, and the equal fixedly connected with installation piece 602 in base 601 both sides, and the inboard of installation piece 602 has seted up mounting hole 603, and the during operation, should throw the screen device and place suitable position, make the mounting run through installation piece 602 and twist the inboard fixed mounting that carries out to it to the installation that should throw the screen device provides better guarantee.

In this embodiment, the main body 1 is movably connected to the electric lifting push rod 503 through the rotating shaft 502, and the connecting plate 501 is disposed with the vertical middle axis of the rotating shaft 502, so that the screen projecting device can be adjusted by an angle through the rotating shaft 502, and the adjustability is improved.

In this embodiment, the main body 1, the electric lifting rod 503 and the lifting base 504 form a lifting structure, and the electric lifting rod 503 and the lifting base 504 are vertically distributed, so that the screen projection device can be adjusted in a lifting manner by the arrangement of the electric lifting rod 503.

In this embodiment, cover glass 402 passes through

hinge

401 and 1 swing joint of main part, and hinge 401 sets up with cover glass 402's perpendicular middle axis symmetry axis, and through cover glass 402 and hinge 401's setting, the during operation can pass through hinge 401 rotary switch with cover glass 402, provides better guarantee for the inside protection of throwing screen lens 2.

In this embodiment, cleaning brush 408, pulley 405 and slide rail 404 constitute sliding construction, and cleaning brush 408's quantity is three, through the setting of driving frame 406, pulley 405 and slide rail 404, can carry out a horizontal slip's effect to clearance pole 407 to effectual effect of carrying out a protection to cover glass 402 surface.

In this embodiment, cleaning brush 408, electronic flexible push rod 409 and flexible seat 410 constitute extending structure, and electronic flexible push rod 409 and flexible seat 410 be the vertical distribution, through the setting of electronic flexible push rod 409, can carry out the purpose that an automatic slip was cleared up to cleaning rod 407, have promoted automatic setting.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When in work, the screen projecting device is firstly placed at a proper position, then is connected with an external power supply, the fixing piece is screwed into the inner side of the mounting hole 603 through the mounting piece 602 to fixedly mount the screen projecting device, after the mounting is finished, the screen projecting angle of the screen projecting lens 2 can be adjusted through the rotating shaft 502, meanwhile, an electric lifting push rod 503 can be started to adjust the height of the main body 1, and then the protective glass cover 402 is rotated and closed through the hinge 401, when the protective glass cover 402 is in a fuzzy operation, the electric telescopic push rod 409 is started to drive the cleaning rod 407 to stretch, so that the cleaning rod 407 drives the pulley 405 to slide back and forth on the slide rail 404 through the transmission frame 406, the cleaning brush 408 automatically cleans the surface of the protective glass cover 402, the model of the electric telescopic push rod 409 is YS-NZ100-12A, and the model of the electric lifting push rod 503 is XYDHA24-800, which is the working principle of the screen projecting device.

In conclusion, the screen projecting device realizes the function of protecting and cleaning the lens of the screen projecting lens 2 through the structural design of the screen projecting lens 2, the protective cleaning mechanism 4, the hinge 401, the protective glass cover 402, the connecting block 403, the sliding rail 404, the pulley 405, the transmission frame 406, the cleaning rod 407, the cleaning brush 408, the electric telescopic push rod 409 and the telescopic seat 410, solves the problem that the lens falls into dust due to long-term work and the projection effect is poor due to ineffective cleaning, the cleaning is complicated due to the fact that workers need to manually clean the lens, the labor capacity of the workers is increased, the practicability problem of the screen projecting device is reduced, when the screen projecting device works, the protective glass cover 402 is rotated and closed through the hinge 401, better guarantee is provided for protecting the screen projecting lens 2, when the protective glass cover 402 works in a fuzzy state, the electric telescopic push rod 409 is started to drive the cleaning rod 407 to stretch and retract, make clearance pole 407 pass through driving frame 406 and drive pulley 405 and make a round trip to slide on slide rail 404, thereby let clearance brush 408 carry out the automation and clear up to the surface of cover glass 402, thereby for this clearance of throwing the screen device provides better guarantee, the labor intensity has been alleviateed, through adjustment mechanism 5, connecting plate 501, pivot 502, the structural design of electric lift push rod 503 and lift seat 504, realized providing the function of regulation to this screen device of throwing, solved the unable right screen position of throwing of installation and adjusted and lead to throwing the not good condition of screen efficiency, thereby the problem of this application scope of throwing the screen device has been influenced, in operation, can adjust the screen angle of throwing screen camera lens 2 through pivot 502, can launch electric lift push rod 503 simultaneously and adjust the height of main part 1, thereby for this regulation of throwing the screen device provides better guarantee.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A screen projection device is characterized in that: the screen-throwing type screen-throwing device comprises a main body (1), a screen-throwing lens (2) is arranged on the inner side of the main body (1), a protective cleaning mechanism (4) is arranged on one side of the main body (1), the protective cleaning mechanism (4) comprises a hinge (401), a protective glass cover (402) is fixedly connected to the other side of the hinge (401), a connecting block (403) is fixedly connected to the outer side of the protective glass cover (402), slide rails (404) are respectively arranged on the upper side and the lower side of the connecting block (403), a pulley (405) is arranged on the inner side of each slide rail (404), a transmission frame (406) is fixedly connected to one side of each pulley (405), a cleaning rod (407) is fixedly connected to the other end of each transmission frame (406), a cleaning brush (408) is fixedly connected to the inner side of each cleaning rod (407), and an electric telescopic push rod (409) is fixedly connected to one side of each transmission frame (406), the other end of the electric telescopic push rod (409) is fixedly connected with a telescopic seat (410);

the top of main part (1) is provided with adjustment mechanism (5), adjustment mechanism (5) are including connecting plate (501), inboard fixedly connected with pivot (502) of connecting plate (501), one side fixedly connected with electric lift push rod (503) of pivot (502), the other end fixedly connected with lift seat (504) of electric lift push rod (503).

2. A screen projection apparatus according to claim 1, wherein: the inboard of main part (1) is provided with sealing strip (3), and sealing strip (3) be close laminating with main part (1), and the size of sealing strip (3) is identical with the size of cover glass (402).

3. A screen projection apparatus according to claim 1, wherein: the installation mechanism (6) is arranged above the main body (1), the installation mechanism (6) comprises a base (601), installation pieces (602) are fixedly connected to two sides of the base (601), and installation holes (603) are formed in the inner side of each installation piece (602).

4. A screen projection apparatus according to claim 1, wherein: the main body (1) is movably connected with an electric lifting push rod (503) through a rotating shaft (502), and the connecting plate (501) is arranged in a symmetrical axis mode with the vertical middle axis of the rotating shaft (502).

5. A screen projection apparatus according to claim 1, wherein: the main body (1), the electric lifting push rod (503) and the lifting seat (504) form a lifting structure, and the electric lifting push rod (503) and the lifting seat (504) are vertically distributed.

6. A screen projection apparatus according to claim 1, wherein: the protective glass cover (402) is movably connected with the main body (1) through a hinge (401), and the hinge (401) is arranged on a vertical middle axis symmetry axis of the protective glass cover (402).

7. A screen projection apparatus according to claim 1, wherein: the cleaning brushes (408), the pulleys (405) and the sliding rails (404) form a sliding structure, and the number of the cleaning brushes (408) is three.

8. A screen projection apparatus according to claim 1, wherein: the cleaning brush (408), the electric telescopic push rod (409) and the telescopic seat (410) form a telescopic structure, and the electric telescopic push rod (409) and the telescopic seat (410) are vertically distributed.