CN209992803U

CN209992803U - Portable magic light projector

Info

Publication number: CN209992803U
Application number: CN201920252789.8U
Authority: CN
Inventors: 陈爱军
Original assignee: Guangdong Qiyu Education Technology Co Ltd
Current assignee: Guangdong Qiyu Education Technology Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-01-24
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a portable slide projector, it includes camera lens, projection portion and handle portion, handle portion and camera lens set up respectively at projection portion both ends, projection portion carries dish, is used for retrieving the second slide of slide and carries dish and casing including the first slide that is used for releasing the slide, the casing inner bottom is equipped with first gear, second gear and anti-light cup, first fixed column and second fixed column carry dish and second slide respectively and carry the dish and can dismantle the connection, anti-light cup bottom is equipped with the LED lamp of two at least different colour light sources, the LED lamp sends out light and outwards jets out through slide and camera lens. The utility model discloses can change the light source of different colours, simultaneously, can conveniently change the slide.

Description

Portable magic light projector

Technical Field

The present invention relates to a projector, and more particularly, to a portable projector.

Background

The magic light projector is a tool for playing slides, but in the market, the volume of the magic light projector is large, so that the magic light projector is inconvenient to carry and convenient to use by people, meanwhile, a light source is used as an indispensable element of the magic light projector, an image on the slide can be displayed through the light source, the color of the light source is the background color of the projected image, but the magic light projector in the market basically only adopts a white light source for projection, but the requirements on the background color are not nearly the same along with different requirements of different people, and in addition, the magic light projector is complex and is not easy to replace the slide when the slide is replaced.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a portable slide projector, can change the light source of different colours, simultaneously, can conveniently change the slide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable slide projector comprises a lens, a projection part and a handle part, wherein the handle part and the lens are respectively arranged at two ends of the projection part, the projection part comprises a first slide carrying disc for releasing slides, a second slide carrying disc for recovering slides and a shell, a first gear, a second gear and a reflecting cup are arranged at the inner bottom of the shell, a synchronous gear for the synchronous rotation of the first gear and the second gear is arranged between the first gear and the second gear, the first gear and the second gear are respectively meshed with the synchronous gear, a first fixing column and a second fixing column are respectively arranged on the upper end surfaces of the first gear and the second gear, slides are wound on the first slide carrying disc, the first fixing column and the second fixing column are respectively detachably connected with the first slide carrying disc and the second slide carrying disc, and the slides are released by the first slide carrying disc, through anti-light cup top back, accomodate in second slide year dish, anti-light cup bottom is equipped with the LED lamp of two at least different colour light sources, the LED lamp sends light and outwards jets out through slide and camera lens, handle portion is equipped with the battery jar that is used for placing the battery, is used for different colour light source LED lamp to open the regulating switch who stops, the battery is connected with the regulating switch electricity, regulating switch and LED lamp electricity are connected.

Preferably, the camera lens include collector lens, first focus pipe and second focus pipe, collector lens establishes the tip that is close to the casing at first focus pipe, first focus pipe upper portion is equipped with the helical part that has the external screw thread, second focus pipe is equipped with the internal thread portion with helical part threaded connection, first focus pipe middle part is equipped with first focus lens, second focus pipe middle part is equipped with second focus lens, second focus pipe end portion is equipped with convex lens, the light that the LED lamp sent loop through collector lens, first focus lens, second focus lens and convex lens and outwards jets out.

Preferably, the lens is provided with a lens cover, and the lens cover is detachably connected with the second focal length tube.

Preferably, the bottom of the reflecting cup is provided with at least three LED lamps with different color light sources.

Preferably, a slide column is respectively arranged on two sides above the light reflecting cup, and the slides are released through the first slide carrying disc, bypass the slide column and are stored in the second slide carrying disc.

Preferably, the upper portion of the shell is provided with a cover body, the cover body is detachably connected with the shell through a buckle, the cover body is provided with a through hole, the first fixing column is connected with a rocker, and the rocker is arranged outside the cover body through the through hole.

Preferably, the lateral parts of the first fixing column and the second fixing column are provided with elastic pieces protruding outwards, the middle parts of the first slide carrying disc and the second slide carrying disc are provided with through pipes, and the inner walls of the through pipes are provided with grooves used for being connected with the elastic pieces in a clamping mode.

Preferably, the elastic sheet is an iron sheet and is arranged along the axial direction of the first fixing column and the second fixing column.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has simple and compact structure, and the volume of the projector is reduced through the combination of the lens, the projection part and the handle part, and the projector can be held by hand and is convenient to use and carry; the first fixing column and the second fixing column are detachably connected with the first slide carrying disc and the second slide carrying disc respectively, so that slides can be conveniently replaced; through the LED lamp that is equipped with two at least different colour light sources at anti-light cup bottom, can realize different light source and shine, this slide background colour that just can vary different can satisfy different users' demand.

Drawings

FIG. 1 is a schematic view of a front view structure of a portable magic light projector according to the present invention;

FIG. 2 is a schematic side view of the portable slide projector according to the present invention;

FIG. 3 is a schematic view of the bottom structure of a reflection cup of a portable projector according to the present invention;

FIG. 4 is a schematic structural diagram of a first fixing column of the portable slide projector according to the present invention;

fig. 5 is a schematic view of a first slide tray structure of a portable slide projector according to the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description below:

referring to fig. 1 to 3, a portable slide projector includes a lens 1, a projection part 2, and a handle part 3, the handle part 3 and the lens 1 are respectively disposed at both ends of the projection part 2, the projection part 2 includes a first slide tray 28 for releasing a slide 22, a second slide tray 24 for retrieving the slide 22, and a housing 7, a first gear 26, a second gear 21, and a reflector cup 20 are disposed at an inner bottom of the housing 7, the reflector cup 20 has a cone structure for better condensing light, a synchronizing gear 29 for synchronizing rotation of the first gear 26 and the second gear 21 is disposed between the first gear 26 and the second gear 21, the first gear 26 and the second gear 21 are respectively engaged with the synchronizing gear 29, the first gear 26 and the second gear 21 are capable of rotating in the same direction, a first fixing pillar 27 and a second fixing pillar 25 are respectively disposed at upper end surfaces of the first gear 26 and the second gear 21, the first slide tray 28 is wound with the slides 22, the first fixing posts 27 and the second fixing posts 25 are detachably connected with the first slide tray 28 and the second slide tray 24 respectively, since the slides 22 are wound on the first slide tray 28 and the second slide tray 24, the slide trays with different contents can be replaced through the detachable connection, the slides 22 are released from the first slide tray 28, pass through the upper part of the reflector cup 20 and are accommodated in the second slide tray 24, in this embodiment, the two sides above the reflector cup 20 are respectively provided with a slide post 23, the slides 22 are released through the first slide tray 28, bypass the slide post 23 and are accommodated in the second slide tray 24, so that the slides 22 can be better projected, the bottom of the reflector cup 20 is provided with at least two LED lamps 5 with different color light sources, the light emitted by the LED lamps 5 is emitted outwards through the slides 22 and the lens 1, handle portion 3 is equipped with battery jar 31 that is used for placing battery 32, is used for the regulating switch 30 that different colour light source LED lamps 5 opened and stop, and battery 32 is connected with regulating switch 30 electricity, and regulating switch 30 is connected with LED lamps 5 electricity, when the LED lamps 5 of the different colours of transform, can alternate through regulating switch 30.

In practical application, a user can hold handle portion 3 by hand, can release slide 22 by moving first slide tray 28, uses LED lamp 5 as a light source, projects through slide 22 to lens 1, projects outward from lens 1, and forms a compact projector by projection portion 2, handle portion 3 and lens 1, thereby making a projector with light weight.

In this embodiment, preferably, the lens 1 includes a condenser lens 17, a first focal length tube 10 and a second focal length tube 13, the condenser lens 17 is disposed at an end portion of the first focal length tube 10 close to the housing 7, a spiral portion 11 having an external thread is disposed at an upper portion of the first focal length tube 10, the second focal length tube 13 is disposed with an internal thread portion in threaded connection with the spiral portion 11, a length between the first focal length tube 10 and the second focal length tube 13 can be extended and contracted by threaded connection between the spiral portion 11 and the internal thread portion, a first focusing lens 12 is disposed at a middle portion of the first focal length tube 10, a second focusing lens 14 is disposed at a middle portion of the second focal length tube 13, a convex lens 15 is disposed at an end portion of the second focal length tube 13, so that a focal length can be changed by changing a length between the first focal length tube 10 and the second focal length tube 13, a definition of a projected image can be adjusted, light emitted from the LED lamp, The first focusing lens 12, the second focusing lens 14 and the convex lens 15 are projected to the outside.

In the present embodiment, the lens 1 is preferably provided with a lens cover 16, the lens cover 16 is detachably connected to the second focus tube 13, and the lens cover 16 can protect the convex lens 15 from damage when the projector is not in use.

In the present embodiment, preferably, the bottom of the reflector is provided with the LED lamps 5 with up to three different color light sources, and in addition, in order to reduce the damage to the eyes of the user, the LED lamps 5 can be eye protection lamps.

In this embodiment, preferably, the upper portion of the housing 7 is provided with a cover 8, the cover 8 is provided with a detachable fastening connection with the housing 7, the cover 8 is provided with a through hole 41, the first fixing post 27 is connected with a rocker 4, the rocker 4 is disposed outside the cover 7 through the through hole 41, the first fixing post 27 can be rotated by the rocker 4, and the first gear 26 and the second gear 21 are respectively engaged with the synchronizing gear 29, so that the second fixing post 25 can be rotated in the same direction, so as to show the slide 22, and the rocker 4 can also be connected with the second fixing post 25.

In the present embodiment, preferably, referring to fig. 4 and 5, the first fixing post 27 and the second fixing post 25 are provided with an outwardly protruding elastic sheet 6 at the side, gaps are respectively arranged between the middle part of the elastic sheet 6 and the first fixing column 27 or the second fixing column 25, the elastic sheet 6 has certain elasticity, when the spring 6 is deformed by pressure, the middle parts of the first slide carrying disc 28 and the second slide carrying disc 24 are provided with a through pipe 281, the inner wall of the through pipe 281 is provided with a groove 282 for clamping with the spring 6, the structure of the groove 282 is adapted to the spring 6, because the elastic sheet has elasticity, the groove 282 can be clamped with the elastic sheet 6 by the groove 282 through sliding, in this embodiment, the elastic sheet 6 is an iron sheet, the elastic sheet 6 is disposed along the axial direction of the first fixing post 27 and the second fixing post 25, the elastic sheet 6 and the groove 282 are conveniently clamped, and in addition, the number of the elastic sheets and the number of the grooves are two.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A portable slide projector comprises a lens, a projection part and a handle part, wherein the handle part and the lens are respectively arranged at two ends of the projection part, the portable slide projector is characterized in that the projection part comprises a first slide carrying disc for releasing slides, a second slide carrying disc for recovering slides and a shell, a first gear, a second gear and a reflecting cup are arranged at the inner bottom of the shell, a synchronous gear for the synchronous rotation of the first gear and the second gear is arranged between the first gear and the second gear, the first gear and the second gear are respectively meshed with the synchronous gear, a first fixing column and a second fixing column are respectively arranged on the upper end surfaces of the first gear and the second gear, the first slide carrying disc is wound with the first slide carrying disc, and the first fixing column and the second fixing column are respectively detachably connected with the first slide carrying disc and the second slide carrying disc, the lantern slide is released by first lantern slide year dish, through anti-light cup top back, accomodates in second lantern slide year dish, anti-light cup bottom is equipped with the LED lamp of two at least different colour light sources, the LED lamp sends out light and outwards jets out through lantern slide and camera lens, handle portion is equipped with the battery jar that is used for placing the battery, is used for the regulating switch that different colour light source LED lamps started and stopped, the battery is connected with the regulating switch electricity, regulating switch and LED lamp electricity are connected.

2. The portable magic light projector as defined in claim 1, wherein said lens includes a condenser lens, a first focal length tube and a second focal length tube, said condenser lens is disposed at an end portion of the first focal length tube near the housing, a spiral portion with external threads is disposed at an upper portion of the first focal length tube, said second focal length tube has an internal thread portion in threaded connection with the spiral portion, a first focusing lens is disposed at a middle portion of the first focal length tube, a second focusing lens is disposed at a middle portion of the second focal length tube, a convex lens is disposed at an end portion of the second focal length tube, and light emitted from the LED lamp is emitted to the outside through the condenser lens, the first focusing lens, the second focusing lens and the convex lens in sequence.

3. A portable slide projector according to claim 2, wherein said lens is provided with a lens cover, said lens cover being detachably connected to said second focus tube.

4. A portable slide projector according to claim 1, wherein the bottom of said reflector cup is provided with LED lamps of up to three different color light sources.

5. A portable slide projector according to claim 1, wherein a slide post is provided on each of both sides above said reflector cup, and said slide is released through said first slide tray, is received in said second slide tray while bypassing said slide post.

6. A portable magic light projector as claimed in claim 1, wherein said casing has a cover on its top, said cover is detachably connected to said casing by a snap, said cover has a through hole, said first fixing post is connected to a rocker, said rocker is disposed outside said cover through said through hole.

7. The portable slide projector according to claim 1, wherein the first and second fixing posts each have an outwardly protruding spring at a side thereof, and the first and second slide trays each have a through-tube at a middle thereof, the through-tube having a groove at an inner wall thereof for engaging with the spring.

8. A portable slide projector according to claim 7, wherein said resilient plate is an iron plate, and said resilient plate is disposed along the axial direction of the first and second fixing posts.