CN113552758B - Portable projector applied to home theater - Google Patents

Portable projector applied to home theater Download PDF

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Publication number
CN113552758B
CN113552758B CN202110858065.XA CN202110858065A CN113552758B CN 113552758 B CN113552758 B CN 113552758B CN 202110858065 A CN202110858065 A CN 202110858065A CN 113552758 B CN113552758 B CN 113552758B
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China
Prior art keywords
fixedly connected
box body
curtain
projection
home theater
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CN202110858065.XA
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CN113552758A (en
Inventor
高红兵
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Shenzhen Aokang Technology Co Ltd
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Shenzhen Aokang Technology Co Ltd
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Publication of CN113552758A publication Critical patent/CN113552758A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/142Adjusting of projection optics
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/145Housing details, e.g. position adjustments thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/58Projection screens collapsible, e.g. foldable; of variable area

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

The invention discloses a portable projector applied to a home theater, which comprises a box body, a hinge and a top cover, wherein the left side of the top of the box body is movably connected with the top cover through the hinge, the middle part of the front surface of the left side of an image imager is fixedly connected with a first projection cylinder, one end of a second projection cylinder penetrates through the box body and extends to the outside of the box body, the middle parts of the two side surfaces of the second projection cylinder are fixedly connected with fixing pieces, and the surfaces of the fixing pieces and the surface of the box body are fixedly connected through bolts. This be applied to portable projecting apparatus of home theater can let this portable projecting apparatus when strong light field uses, the improvement that its lumen degree can be showing lets the image that its throws out more clear, avoids causing the vision fuzzy, and so, this portable projecting apparatus's suitable place will be more extensive, and it is more convenient to use, and this people of being convenient for use.

Description

Portable projector applied to home theater
Technical Field
The invention relates to the technical field of projectors, in particular to a portable projector applied to a home theater.
Background
A projector, also called a projector, which 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, etc. through different interfaces to play corresponding video signals, the projector is widely used in homes, offices, schools and entertainment places, there are different types of CRTs, LCDs, DLPs, etc. according to different working modes, the light source used by the projector includes a traditional high-intensity gas discharge light source (such as an ultra-high pressure mercury lamp, a short arc xenon lamp, a metal halogen lamp) and a new type light source represented by an LED light source and a laser light source, and a traditional light source projector usually turns yellow (such as brightness attenuation, color saturation contrast reduction, etc.) along with the attenuation of the emergent light of the light source after being used for a period of time, even if the bulb still emits light in a use occasion with a high requirement for image quality, the light attenuation becomes a major obstacle that a projector using a conventional light source cannot overcome because the bulb has to be replaced.
When the portable projector applied to the existing home theater is used in a strong light field, the lumen degree of the portable projector is not visible enough, so that the projected image is not clear enough, the condition of visual blurring is caused, and when the portable projector is carried, the curtain is stored more inconveniently, so that the portable projector violates the function of portability, and the portable projector is not beneficial to people to use.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a portable projector for home theater applications, which solves the above-mentioned problems of the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a portable projector applied to a home theater comprises a box body, a hinge and a top cover, wherein the left side of the top of the box body is movably connected with the top cover through the hinge, the middle part of the back of an inner cavity of the box body is fixedly connected with an image imager, the right side of the front surface of the box body is provided with a sliding groove, the right side of the front surface of the box body is slidably connected with an adjusting plate through the sliding groove, and the surface of the adjusting plate is provided with a mounting groove;
the middle part of the front surface on the left side of the image imager is fixedly connected with a first projection cylinder, one end of the first projection cylinder penetrates through the box body and extends to the outside of the box body, the right side of the front surface of the image imager is fixedly connected with an image output port, the surface of the image output port is clamped with a second projection cylinder, one end of the second projection cylinder penetrates through the adjusting plate and extends to the outside of the adjusting plate, the front surface of the second projection cylinder is mutually matched with the mounting groove, the middle parts of the surfaces on the two sides of the second projection cylinder are fixedly connected with fixing pieces, the surfaces of the fixing pieces and the surfaces of the adjusting plate are fixedly connected through bolts, and one part of the surface of the outer shell of the second projection cylinder is provided with a soft protective shell;
iron blocks are fixedly connected to the front surface and the back of the adjusting plate, magnet plates are fixedly connected to the front surface and the back of the inner cavity of the sliding groove formed in the surface of the box body, and the iron blocks are attached to the magnet plates;
both sides of the bottom of the box body are fixedly connected with curtain boxes, the middle part of one side between the two curtain boxes is provided with a connecting groove, and a curtain fixing frame is clamped in the inner cavity of the connecting groove; different magnetic positioning blocks are also arranged at the upper end and the lower end of the curtain fixing frame and are used for fixing the curtain in a matching manner.
The right side of the bottom of the top cover is fixedly connected with a limiting shell, the top and the bottom of one side of an inner cavity of the limiting shell are fixedly connected with a return spring, the surface of the return spring is fixedly connected with a movable plate, the top and the bottom of the movable plate are both in sliding connection with the inner cavity of the limiting shell, the middle of the left side of the movable plate is fixedly connected with a pushing block, and one side of the pushing block penetrates through the limiting shell and extends to the outside of the limiting shell;
the front and the back of the right side of the inner cavity of the box body are fixedly connected with fixing sleeves matched with the limiting shells, and the surfaces of the fixing sleeves are provided with grooves matched with the pushing blocks;
the utility model discloses a projection camera, including a first projection section of thick bamboo, a second projection section of thick bamboo, the middle part fixedly connected with video output interface on the positive surface of a second projection section of thick bamboo to the positive fixed surface of video output interface is connected with projection lens, the equal fixedly connected with magnetism sleeve in both sides between projection lens and the second projection section of thick bamboo, equal joint has the metal pole between two magnetism sleeves around both sides, the metal pole both ends are spherical, and imbed the telescopic inner chamber of magnetism, the both sides of magnetism sleeve inner chamber all are provided with the fixed block that is used for restricting the metal pole.
Preferably, the bottom of one side of the inner cavity of the curtain box is fixedly connected with a wire coil rack, the front surface of the wire coil rack is fixedly connected with a limiting frame, and the front surface of the wire coil rack is wound on the surface of the disposable curtain.
Preferably, the positive magnetic block and the negative magnetic block are fixedly connected to the right side of the top of the disposable curtains and the left side of the bottom of the disposable curtains respectively, and the positive magnetic block and the negative magnetic block are in adsorption contact between every two disposable curtains.
Preferably, the middle part of spacing frame inner chamber top and bottom is fixedly connected with positive magnet and negative magnet respectively, the fluting with disposable curtain adaptation is seted up to the bottom of curtain box one side.
Preferably, image formation appearance back electric connection has the input wire, the one end of input wire runs through the box body and extends to the outside of box body to the spacing groove has been seted up at the middle part at top cap top, the inner chamber of spacing groove rotates and is connected with the handle.
Preferably, the front surface on the right side of the top cover top is fixedly connected with a control switch, and heat dissipation holes are formed in the surfaces of the two sides of the box body.
(III) advantageous effects
The invention provides a portable projector applied to a home theater. The method has the following beneficial effects:
(1) this be applied to home theater's portable projecting apparatus can let this portable projecting apparatus when strong light field uses, and the improvement that its lumen degree can be showing lets the image that its throws out more clear, avoids causing the vision fuzzy, and so, this portable projecting apparatus's suitable place will be more extensive, and it is more convenient to use, and this people of being convenient for use.
(2) This be applied to home theater's portable projecting apparatus, it is more convenient to let the receiver of curtain carry, lets the curtain can follow the projecting apparatus body and deposit moreover, and can not influence the normal use of projecting apparatus, this use this projecting apparatus that lets people can be more convenient when carrying the projection in the play, thereby and the problem that can't continue projection work can't be carried out to the curtain damage when not worrying the outdoor use, this does benefit to people and uses.
(3) This application uses through the cooperation of simple magnetism sleeve and metal pole, can realize the regulation of projection lens position and angle to realize that the field conveniently flows the reinforcing of lightness, it is further, the tip of metal pole has spherical structure, can realize angular adjustment, the magnetism sleeve is owing to have magnetism, can be real-time location metal pole position in the sleeve, simple structure can satisfy the function of regulation, the use of especially adapted portable projecting apparatus.
(4) Disposable curtain both ends set up positive negative pole and do benefit to the rolling on the one hand, and on the other hand can be convenient for part and take out when through positive negative magnet, is provided with magnetism at the curtain end in addition, can arrange curtain mount end and also set up corresponding positive negative pole magnetism, and the curtain is settled on the curtain mount to the general that can be very convenient, and does not need other extra settings.
(5) The utility model provides a curtain and curtain mount have been arranged to portable projecting apparatus, avoid appearing the curtain and have the fixed problem of department, arrange magnet through having done benefit to the quick layout curtain at curtain and curtain mount end in this application moreover, have increased portable projecting apparatus's practicality and reliability.
(6) Two projection section of thick bamboo parallel arrangement have increased the area of projecting apparatus shell on the horizontal plane, do benefit to and provide position arrangement curtain and curtain mount, in addition, only adjust the second projection section of thick bamboo when adjustment projection flow brightness, rather than adjusting two projection sections of thick bamboos simultaneously, have improved the maneuverability of this application.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is an expanded view of the cassette structure of the present invention;
FIG. 3 is a schematic view of the structure of the retaining sleeve of the present invention;
FIG. 4 is an expanded view of the retaining sleeve structure of the present invention;
FIG. 5 is a cross-sectional view of a side structure of a curtain cassette of the present invention;
fig. 6 is a side view of the bobbin holder structure of the present invention;
FIG. 7 is an enlarged view of a portion of the structure of FIG. 6 in accordance with the present invention;
FIG. 8 is a cross-sectional view of a spacing shell structure of the present invention;
FIG. 9 is a top view of the adjustment plate structure of the present invention;
FIG. 10 is a top view of a projection lens structure according to the present invention;
fig. 11 is a sectional view of the magnetic sleeve structure of the present invention.
In the figure, 1-box body, 2-hinge, 3-top cover, 4-image imager, 5-first projection cylinder, 6-image output port, 7-second projection cylinder, 8-fixing piece, 9-curtain box, 10-limit shell, 11-reset spring, 12-movable plate, 13-pushing block, 14-fixing sleeve, 15-bobbin bracket, 16-limit frame, 17-positive magnet, 18-negative magnet, 19-disposable curtain, 20-positive magnet, 21-negative magnet, 22-input lead, 23-handle, 24-control switch, 25-heat dissipation hole, 26-adjusting plate, 27-iron block, 28-magnet plate, 29-video output interface, 30-projection lens, 31-magnetic sleeve, 32-metal rod.
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.
Referring to fig. 1-9, an embodiment of the present invention provides a technical solution: a portable projector applied to a home theater comprises a box body 1, a hinge 2 and a top cover 3, wherein the left side of the top of the box body 1 is movably connected with the top cover 3 through the hinge, the middle part of the back of an inner cavity of the box body 1 is fixedly connected with an image imager 4, the right side of the front surface of the box body 1 is provided with a chute, the right side of the front surface of the box body 1 is slidably connected with an adjusting plate 26 through the chute, and the surface of the adjusting plate 26 is provided with a mounting groove;
the middle part of the front surface on the left side of the image imager 4 is fixedly connected with a first projection cylinder 5, one end of the first projection cylinder 5 penetrates through the box body 1 and extends to the outside of the box body 1, the right side of the front surface of the image imager 4 is fixedly connected with an image output port 6, the surface of the image output port 6 is clamped with a second projection cylinder 7, one end of the second projection cylinder 7 penetrates through the adjusting plate 26 and extends to the outside of the adjusting plate 26, the front surface of the second projection cylinder 7 is mutually matched with the installation groove, the middle parts of the two side surfaces of the second projection cylinder 7 are fixedly connected with fixing pieces 8, the surfaces of the fixing pieces 8 and the surfaces of the adjusting plate 26 are fixedly connected through bolts, and one part of the outer shell surface of the second projection cylinder 7 is set to be soft;
the front surface and the back of the adjusting plate 26 are both fixedly connected with iron blocks 27, the front surface and the back of a chute inner cavity formed in the surface of the box body 1 are both fixedly connected with magnet plates 28, and the iron blocks 27 and the magnet plates 28 are mutually attached;
the curtain fixing frame is characterized in that curtain boxes 9 are fixedly connected to two sides of the bottom of the box body 1, connecting grooves are formed in the middle of one side between the two curtain boxes 9, a curtain fixing frame is clamped in an inner cavity of each connecting groove, and magnets with different magnetism are arranged at the upper end and the lower end of the curtain fixing frame and used for installing and fixing curtains;
the right side of the bottom of the top cover 3 is fixedly connected with a limiting shell 10, the top and the bottom of one side of an inner cavity of the limiting shell 10 are fixedly connected with a return spring 11, the surface of the return spring 11 is fixedly connected with a movable plate 12, the top and the bottom of the movable plate 12 are both in sliding connection with the inner cavity of the limiting shell 10, the middle of the left side of the movable plate 12 is fixedly connected with a pushing block 13, and one side of the pushing block 13 penetrates through the limiting shell 10 and extends to the outside of the limiting shell 10;
the front and the back of the right side of the inner cavity of the box body 1 are fixedly connected with a fixed sleeve 14 matched with the limiting shell 10, and the surface of the fixed sleeve 14 is provided with a slot matched with the pushing block 13;
the middle part fixedly connected with video output interface 29 on the positive surface of a second projection section of thick bamboo 7, and the positive fixed surface of video output interface 29 is connected with projection lens 30, both sides and top and the equal fixedly connected with magnetism sleeve 31 in bottom between projection lens 30 and the second projection section of thick bamboo 7, around and between two upper and lower magnetism sleeves of both sides all the joint have metal pole 32, metal pole 32 both ends are spherical, and imbed the inner chamber of magnetism sleeve 31, the both sides of magnetism sleeve 31 inner chamber all are provided with the fixed block that is used for restricting metal pole 32.
In the invention, the bottom of one side of the inner cavity of the curtain box 9 is fixedly connected with a wire coil rack 15, the top of the front surface of the wire coil rack 15 and the front surface between the top and the bottom of the inner cavity of the curtain box 9 are fixedly connected with a limiting frame 16, and the surface of the wire coil rack 15 is wound with a disposable curtain 19.
In the invention, the right side of the top part of the disposable curtains 19 and the left side of the bottom part of the disposable curtains are respectively and fixedly connected with a positive magnetic block 17 and a negative magnetic block 18, and the positive magnetic block 17 and the negative magnetic block 18 are in adsorption contact between every two disposable curtains 19.
In the invention, the middle parts of the top and the bottom of the inner cavity of the limit frame 16 are respectively and fixedly connected with a positive magnet 20 and a negative magnet 21, and the bottom of one side of the curtain box 9 is provided with a slot matched with the disposable curtain 19.
In the invention, the back of the image imager 4 is electrically connected with an input lead 22, one end of the input lead 22 penetrates through the box body 1 and extends to the outside of the box body 1, the middle part of the top cover 3 is provided with a limit groove, and the inner cavity of the limit groove is rotatably connected with a handle 23.
In the invention, the right surface of the top right side of the top cover 3 is fixedly connected with a control switch 24, and the surfaces of two sides of the box body 1 are both provided with heat dissipation holes 25.
Principle of operation
When the stream brightness is insufficient; firstly, data information to be projected is input into the image imager 4 through the input lead 22, then the control switch 24 controls the start of the image output port 6, the data is output to the second projection cylinder 7, and then the angle of the second projection cylinder is adjusted to carry out calibration, so that the second projection cylinder 7 accurately projects the image data on the curtain.
When cleaning dust; twist and move mounting 8, then treat that second projection section of thick bamboo 7 is not hard up the back, take out second projection section of thick bamboo 7, then the hand stretches into the right side of 1 inner chambers of box body, press and promote piece 13, let promote piece 13 and retract to spacing shell 10 in, then alright with upwards lifting top cap 3, just expand completely like this the inside of projecting apparatus, can maintain and clear up the dust, treat that its work is over, upset top cap 3, press promotion piece 13 equally, with its with fixed cover 14 joint can.
The use of a disposable curtain; hold between the fingers and be in outside disposable curtain 19, then stimulate it, let two disposable curtain 19 surface's that link up positive pole magnetic path 17 and negative pole magnetic path 18 advance to between positive magnet 20 and the negative magnet 21, then under the effect of keeping away from of like polarity repulsion opposite poles of the earth attraction, the link of two disposable curtains 19 that load different magnetic paths can be automatic parts, let people can take out a disposable curtain 19 smoothly, and a disposable curtain 19 that is fallen down will be adsorbed and fix on the magnet surface that matches between positive magnet 20 and the negative magnet 21 between the two, take out at the curtain mount of establishing the card between two curtain boxes 9, then place in appropriate position, hang on its surface again and establish the curtain and use, make things convenient for follow-up continuation to take out the curtain.
Adjusting the angle of the second projection cylinder 7; the second projection cylinder 7 is held, the top cover 3 is opened at the same time, then the second projection cylinder 7 moves left and right, the second projection cylinder 7 drives the adjusting plate 26 to move to adjust left, right, up and down, meanwhile, the magnet plate 28 adsorbs the iron block 27 to fix and provide supporting force, and the top cover 3 is covered after the angle is adjusted.
Adjusting the angle of the projection plane; after the device is fixed, the projection lens 30 is pressed to the left side or the right side, so that the two magnetic sleeves 31 on the back of the device can work, when the device is pressed to the right side, the distance between the two magnetic sleeves 31 on the left side extends, the metal rod 32 which is more than the distance is drawn out, only the distance between the two magnetic sleeves 31 which are pressed on the right side is shortened, the metal rod 32 is contained in the magnetic sleeve 31, the magnetic sleeve 31 has magnetic force, the metal rod 32 has adsorption force, the device is used for fixing after angle adjustment, when the vertical angle is adjusted in the same way, the upper part and the lower part of the front surface of the projection lens 30 are pressed, when the angle is not required to be adjusted, the projection lens 30 can be pressed in all directions, and the projection lens 30 can be completely retracted to complete attaching type fixing.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a be applied to portable projecting apparatus of home theater, includes box body (1), hinge (2), and top cap (3), there is top cap (3), its characterized in that in the left side at box body (1) top through hinge swing joint: the middle part of the back part of the inner cavity of the box body (1) is fixedly connected with an image imager (4), the right side of the front surface of the box body (1) is provided with a sliding groove, the right side of the front surface of the box body (1) is slidably connected with an adjusting plate (26) through the sliding groove, and the surface of the adjusting plate (26) is provided with a mounting groove;
the middle part of the front surface of the left side of the image imager (4) is fixedly connected with a first projection cylinder (5), one end of the first projection cylinder (5) penetrates through the box body (1) and extends to the outside of the box body (1), the right side of the front surface of the image imager (4) is fixedly connected with an image output port (6), a second projection cylinder (7) is clamped on the surface of the image output port (6), one end of the second projection cylinder (7) penetrates through the adjusting plate (26) and extends to the outside of the adjusting plate (26), the front surface of the second projection cylinder (7) is matched with the mounting groove, the middle parts of the two side surfaces of the second projection cylinder (7) are fixedly connected with fixing pieces (8), the surface of the fixing piece (8) is fixedly connected with the surface of the adjusting plate (26) through a bolt, and a soft protective shell is arranged at one position of the surface of the shell of the second projection cylinder (7);
iron blocks (27) are fixedly connected to the front surface and the two sides of the back of the adjusting plate (26), magnet plates (28) are fixedly connected to the front surface and the back of a chute inner cavity formed in the surface of the box body (1), and the iron blocks (27) and the magnet plates (28) are attached to each other;
both sides of the bottom of the box body (1) are fixedly connected with curtain boxes (9);
the utility model discloses a video projection device, including a first projection section of thick bamboo, the middle part fixedly connected with video output interface (29) on the positive surface of a second projection section of thick bamboo (7) to the positive fixed surface of video output interface (29) is connected with projection lens (30), the equal fixedly connected with magnetism sleeve (31) in both sides between projection lens (30) and the second projection section of thick bamboo (7), equal joint has metal pole (32) between two magnetism sleeves around both sides, metal pole (32) both ends are spherical, and imbed the inner chamber of magnetism sleeve (31), the both sides of magnetism sleeve (31) inner chamber all are provided with the fixed block that is used for restricting metal pole (32).
2. A portable projector for home theater as set forth in claim 1, wherein: the utility model discloses a spacing shell of top cap (3) right side fixedly connected with (10) bottom to the equal fixedly connected with reset spring (11) in top and the bottom of spacing shell (10) inner chamber one side, and the fixed surface of reset spring (11) is connected with fly leaf (12), the top and the bottom of fly leaf (12) all with the inner chamber sliding connection of spacing shell (10), the left middle part fixedly connected with of fly leaf (12) promotes piece (13), it runs through spacing shell (10) and extends to the outside of spacing shell (10) to promote one side of piece (13).
3. A portable projector for home theater as set forth in claim 2, wherein: two the spread groove has all been seted up at the middle part of one side between curtain box (9) to the inner chamber card of spread groove is equipped with the curtain mount.
4. A portable projector for home theater as set forth in claim 3, wherein: different magnetic positioning blocks are also arranged at the upper end and the lower end of the curtain fixing frame.
5. A portable projector for home theater as set forth in claim 4, wherein: the front and the back on the right side of the inner cavity of the box body (1) are fixedly connected with a fixing sleeve (14) matched with the limiting shell (10), and the surface of the fixing sleeve (14) is provided with a groove matched with the pushing block (13).
6. A portable projector for home theater as set forth in claim 5, wherein: curtain box (9) inner chamber one side's bottom fixedly connected with bobbin loader (15) to the positive fixed surface between the positive surface top of bobbin loader (15), curtain box (9) inner chamber top and the bottom is connected with spacing frame (16), and the surface winding of bobbin loader (15) is provided with disposable curtain (19).
7. A portable projector for home theater as set forth in claim 6, wherein: the right side of the top of the disposable curtains (19) and the left side of the bottom of the disposable curtains (19) are fixedly connected with a positive magnetic block (17) and a negative magnetic block (18) respectively, and the positive magnetic block (17) and the negative magnetic block (18) are in adsorption contact between every two disposable curtains (19).
8. A portable projector for home theater as set forth in claim 7, wherein: spacing frame (16) inner chamber top and the middle part of bottom be fixedly connected with positive magnet (20) and negative magnet (21) respectively, the fluting with disposable curtain (19) adaptation is seted up to the bottom of curtain box (9) one side.
9. A portable projector for home theater as set forth in claim 8, wherein: image formation appearance (4) back electric connection has input wire (22), the one end of input wire (22) runs through box body (1) and extends to the outside of box body (1) to the spacing groove has been seted up at the middle part at top cap (3) top, the inner chamber of spacing groove rotates and is connected with handle (23).
10. A portable projector for use in a home theater as set forth in claim 9, wherein: the right surface of the top right side of the top cover (3) is fixedly connected with a control switch (24), and heat dissipation holes (25) are formed in the surfaces of the two sides of the box body (1).
CN202110858065.XA 2021-07-28 2021-07-28 Portable projector applied to home theater Active CN113552758B (en)

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CN202110858065.XA CN113552758B (en) 2021-07-28 2021-07-28 Portable projector applied to home theater

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CN113552758B true CN113552758B (en) 2022-07-01

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