CN115789450A

CN115789450A - Multimedia projection device

Info

Publication number: CN115789450A
Application number: CN202211672418.8A
Authority: CN
Inventors: 韦曾艳; 陆俊生; 罗玲
Original assignee: Wuhan Theo Rongfeng Technology Co ltd
Current assignee: Shanghai Xinlong Photoelectric Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-03-14
Anticipated expiration: 2042-12-26
Also published as: CN115789450B

Abstract

The invention provides a multimedia projection device, which comprises a projection device body, wherein the projection device body comprises a base, a screen, a storage mechanism and a support, a storage bin is arranged at the front end of the base, the storage mechanism is arranged in the storage bin, a projector is arranged in the storage mechanism, an angle adjusting mechanism is arranged at the bottom end of the inner side of the storage mechanism and is movably connected with the front end of the bottom of the projector, a hidden groove is formed in the surface of the base, and the screen and the projector are partially supported by the base.

Description

Multimedia projection device

Technical Field

The invention relates to the technical field of projectors, in particular to a multimedia projection device.

Background

The projector is an optical instrument which can enlarge a picture by using an optical element and project the picture onto a curtain, and the projector is used as a carrier, so that various media can be mapped and the picture can be displayed on the curtain.

Among the prior art, curtain and projecting apparatus generally are the isolating construction, directly install the curtain on the wall during use, then place the front end at the curtain with the projecting apparatus, put in the position on the curtain through artifical manual correction projecting apparatus after, can begin to carry out the multimedia and put in, but this scheme need lean on the curtain on the wall, if directly carry out unsettled installation with the curtain through the support, then can be because the rear end of curtain lacks the influence that supports and receive the air current easily, thereby take place the shake, stability is relatively poor, and projection equipment places the back, the picture position calibration process of projection on the curtain also is comparatively time-consuming and energy-consuming, very easily because angle skew appears and cause the blurred condition of picture edge.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a multimedia projection device to solve the problems in the background technology, and the multimedia projection device has smaller volume occupation when being stored, improves the stability of a curtain, enhances the wind resistance, has more accurate projection pictures and reduces the fuzzy problem.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a multimedia projection device, includes the projection arrangement body, the projection arrangement body includes base, curtain, storage mechanism and support, the collecting storage is installed to the front end of base, the internally mounted of collecting storage has storage mechanism, storage mechanism's internally mounted has the projecting apparatus, angle adjustment mechanism is installed to storage mechanism's inboard bottom, and angle adjustment mechanism and the bottom front end position swing joint of projecting apparatus, the surface of base is provided with hides the groove, the internally mounted who hides the groove has the support, the curtain is installed to the inboard of support, the support comprises two stands, the inboard of stand is provided with presss from both sides the groove, the curtain carries out elevating movement along pressing from both sides the groove, the internally mounted who presss from both sides the groove has the backplate, the backplate sets up the rear end at the curtain.

Further, the storage mechanism comprises a storage bin and a drawer, the drawer is installed inside the storage bin, the projector is installed on the inner side of the drawer, and the angle adjusting mechanism penetrates through the middle of the drawer.

Furthermore, a first rotating shaft is installed at the rear end of the side edge of the projector, and the projector is movably connected with the inner wall part of the drawer through the first rotating shaft.

Further, angle adjustment mechanism includes threaded rod and hand wheel, the one end of threaded rod is worn out from the surface of drawer, the front end at the threaded rod is installed to the hand wheel, the surface cover of threaded rod is equipped with the screw sleeve, the bottom base is installed at the telescopic top of screw.

Further, a top rod is installed above the bottom base, a top base is arranged at the top of the top rod, and the top base is fixedly installed at the bottom of the shell of the projector.

Furthermore, the two ends of the ejector rod are respectively and movably connected with the top base and the bottom base through butt joint sleeves, and the tail end of the threaded rod is embedded into the inner wall of the drawer through a bearing.

Furthermore, the support includes two stands and two backplate, every the second pivot is all installed to the bottom of stand, and the surface swing joint of second pivot and base, the surface of stand inlays and is equipped with the bayonet lock, the backplate is laminated with the rear end of curtain.

Furthermore, the one end of backplate is provided with the third pivot, and the backplate inserts the inboard of pressing from both sides the groove through the third pivot, the other end of backplate is provided with the butt joint hole, the backplate will butt joint the hole part through using the bayonet lock to fix the inboard at another stand.

Furthermore, the pull rod is installed at the top of curtain, fixed end rod is all installed at the both ends of pull rod, the inside of spool is rolled up to the bottom of curtain, the spool is whole all to inlay the dress to the bottommost of hiding the groove.

Furthermore, the inside of curtain inlays and is equipped with the second magnetite, the surface of backplate is inlayed and is equipped with first magnetite, first magnetite and second magnetite adsorb mutually, the pull rod inserts the double-layered inslot of every stand through the fixed end pole at both ends.

The invention has the beneficial effects that: the invention discloses a multimedia projection device which comprises a projection device body, wherein the projection device body comprises a base, a storage mechanism, a projector, a support, a curtain, a hidden groove, a storage bin, a drawer, a first rotating shaft, an angle adjusting mechanism, a threaded rod, a hand wheel, a threaded sleeve, a bottom base, an ejector rod, a butt joint sleeve, a top base, an upright post, a clamping groove, a second rotating shaft, a clamping pin, a rear baffle, a pull rod, a fixed end rod, a scroll, a handle, a third rotating shaft, a butt joint hole, a first magnet and a second magnet.

1. This multimedia projection device supports curtain and projecting apparatus part through the base, and during consequently follow-up use, directly expand the back with the support, can strut the use with the curtain, no longer receive ground environment's restriction, enlarged application scope, and improved waterproof dirt-proof effect.

2. According to the multimedia projection device, the projector is arranged on the inner side of the storage mechanism, and the angle adjusting mechanism is arranged at the bottom end of the projector, so that only the tilting angle needs to be adjusted during subsequent use, the correction step of a projection picture is simplified, and the projection picture is improved.

3. This multimedia projection device all installs the backplate in every stand inboard of support, can provide extra supporting effect to the curtain different positions after the expansion through this backplate, even consequently this projection device has certain anti-wind ability, has improved the stability of projection show in-process.

Drawings

FIG. 1 is a schematic view of an external shape of a multimedia projector according to the present invention;

FIG. 2 is a schematic diagram of a storage mechanism of a multimedia projection apparatus according to the present invention;

FIG. 3 is a schematic view of an angle adjustment mechanism of a multimedia projector according to the present invention;

FIG. 4 is a schematic view of a support and a curtain portion of a multimedia projector according to the present invention;

FIG. 5 is a schematic view of a rear baffle portion of a multimedia projection apparatus according to the present invention;

in the figure: 1. a base; 2. a storage mechanism; 3. a projector; 4. a support; 5. a curtain; 6. hiding the groove; 7. a storage bin; 8. a drawer; 9. a first rotating shaft; 10. an angle adjusting mechanism; 11. a threaded rod; 12. a hand wheel; 13. a threaded sleeve; 14. a bottom base; 15. a top rod; 16. butting the sleeves; 17. a top base; 18. a column; 19. a clamping groove; 20. a second rotating shaft; 21. a bayonet lock; 22. a tailgate; 23. a pull rod; 24. fixing the end rod; 25. a reel; 26. a handle; 27. a third rotating shaft; 28. a butt joint hole; 29. a first magnet; 30. a second magnet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a multimedia projection device, includes the projection arrangement body, the projection arrangement body includes base 1, curtain 5, storage mechanism 2 and support 4, collecting storage 7 is installed to the front end of base 1, collecting storage 7's internally mounted has storage mechanism 2, storage mechanism 2's internally mounted has projecting apparatus 3, angle adjustment mechanism 10 is installed to storage mechanism 2's inboard bottom, and angle adjustment mechanism 10 and the bottom front end swing joint of projecting apparatus 3, the surface of base 1 is provided with hides groove 6, hide the internally mounted of groove 6 and have support 4, curtain 5 is installed to the inboard of support 4, support 4 comprises two stands 18, the inboard of stand 18 is provided with clamp groove 19, curtain 5 carries out the elevating movement along clamp groove 19, the internally mounted of clamp groove 19 has backplate 22, backplate 22 sets up the rear end at curtain 5, this multimedia projection arrangement is through installing projecting apparatus 3 in storage mechanism 2's inside, installs curtain 5 in base 1's inboard, installs support 4 part in the top of curtain 5 with the form of folding simultaneously, because of this show curtain 5 with the top, because of this the inside with the showing that this curtain 3 will carry out the rear end of the projection mechanism 3 and carry out the rear projection mechanism 3 and carry out the pulling the rear projection mechanism on the support 3, and carry out the rear projection mechanism 3 and carry out the rear projection mechanism on the rear of the multimedia projection mechanism, and carry out the drawing the range of the multimedia projection mechanism, and be convenient for the multimedia projection mechanism, and carry out the multimedia projection mechanism, and follow-on the multimedia projection mechanism, and carry out the subsequent projection mechanism, and carry out the rear projection mechanism 2, and carry out the rear of the multimedia projection mechanism, and carry out the multimedia projection mechanism, and follow-up the rear of the multimedia projection mechanism 2, and the rear of the multimedia projection mechanism is convenient for the multimedia projection mechanism, and the multimedia projection mechanism 2, and the multimedia projection mechanism is convenient for the multimedia projection mechanism 2.

This embodiment, storage mechanism 2 includes collecting storage 7 and drawer 8, drawer 8 is installed in collecting storage 7's inside, projector 3 installs the inboard at drawer 8, angle adjustment mechanism 10 passes from drawer 8's intermediate position, first pivot 9 is installed to projector 3's side rear end, and projector 3 is through this first pivot 9 and drawer 8's inner wall part swing joint, and is concrete, and collecting storage 7 sets up on base 1's front end intermediate position, through installing projector 3 in collecting storage 7's inside, and follow-up when carrying out multimedia projection work, can work through directly taking projector 3 out, and when accomodating, then can utilize collecting storage 7 to improve the waterproof dustproof function to projector 3.

In this embodiment, the angle adjusting mechanism 10 includes a threaded rod 11 and a hand wheel 12, one end of the threaded rod 11 penetrates out of the surface of the drawer 8, the hand wheel 12 is installed at the front end of the threaded rod 11, a threaded sleeve 13 is sleeved on the surface of the threaded rod 11, a bottom base 14 is installed at the top of the threaded sleeve 13, a top rod 15 is installed above the bottom base 14, a top base 17 is arranged at the top of the top rod 15, the top base 17 is fixedly installed at the bottom of the shell of the projector 3, two ends of the top rod 15 are respectively movably connected with the top base 17 and the bottom base 14 through a butt joint sleeve 16, the tail end of the threaded rod 11 is embedded into the inner wall of the drawer 8 through a bearing, the projector 3 is installed on the inner side of the storage mechanism 2, and the angle adjusting mechanism 10 is arranged at the bottom end of the projector 3, therefore, when the screen is used subsequently, the projector 3 is always aligned with the central axis part of the screen 5, only the tilting angle needs to be adjusted, the correction step of a projection picture is simplified, the accuracy of a projection range is improved, and further the projection picture is improved, specifically, when the screen is used, after the drawer 8 is pulled away, the projector 3 is in a horizontal state, the hand wheel 12 is rotated under the state, the threaded sleeve 13 can be driven along the threaded rod 11, the position of the ejector rod 15 can be changed through the movement of the threaded rod 11, the front end position of the projector 3 is tilted upwards by means of the change of the angular relationship between the ejector rod 15 and the top base 17, so that the projection picture is covered on the screen 5, the whole adjusting process only needs to rotate the hand wheel 12, the transverse angle of the projector 3 does not need to be adjusted, and the adjusting process is simplified.

In this embodiment, the bracket 4 includes two columns 18 and two back boards 22, a second rotating shaft 20 is installed at the bottom of each column 18, the second rotating shaft 20 is movably connected to the surface of the base 1, a bayonet 21 is embedded in the surface of the column 18, the back board 22 is attached to the rear end of the curtain 5, a third rotating shaft 27 is installed at one end of the back board 22, the back board 22 is embedded into the inner side of the clamping groove 19 through the third rotating shaft 27, a butt hole 28 is installed at the other end of the back board 22, the back board 22 partially fixes the butt hole 28 inside another column 18 by using the bayonet 21, the back board 22 is installed inside each column 18 of the bracket 4, and the back board 22 can provide additional supporting effects to different positions of the unfolded curtain 5 through the back board 22, so that even if the projection apparatus is used in an environment with certain air flow disturbance outdoors, the projection apparatus has certain wind resistance, stability in the projection display process is improved, specifically, each column 18 passes through the second rotating shaft 20 at the bottom, then pulls the curtain 5 to move upwards along the column 18, and further fix the bayonet 21 and the back board 22 to the back board 22, and the magnet can be attached to the back board 22, and the back board 22 can be attached to the post board 22, and the magnet after-folding process, and the magnet can be performed by using the bayonet 21.

This embodiment, pull rod 23 is installed at the top of curtain 5, fixed end rod 24 is all installed at the both ends of pull rod 23, the inside of spool 25 is received to the bottom book of curtain 5, the whole bottommost that inlays to hidden groove 6 of spool 25, the inside of curtain 5 is inlayed and is equipped with second magnetite 30, backplate 22's surface is inlayed and is equipped with first magnetite 29, first magnetite 29 and second magnetite 30 adsorb mutually, pull rod 23 inserts in the double-layered groove 19 of every stand 18 through the fixed end rod 24 at both ends, supports curtain 5 and 3 parts of projecting apparatus through base 1, and consequently during subsequent use, directly expand back with support 4, can strut curtain 5 and use, no longer receive the restriction of ground environment, has enlarged application scope, and to curtain 5 and projecting apparatus 3 take in the protection effect better, has improved waterproof dustproof effect, and curtain 5 carries out the roll-up through the spool 25 of bottom, and the inside of spool 25 provides the moment of torsion through current torsional spring structure and withdraws the automation when retrieving the moment of torsion, and through pulling curtain 23, fixed end rod 23 can insert fixed end rod 21 through fixed end rod in the fixed end rod 23, can carry out the fixed end rod 21.

While there have been shown and described what are at present considered to be the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multimedia projection device comprises a projection device body, and is characterized in that: the utility model discloses a screen (2) and a screen (4), including base (1), curtain (5), storage mechanism (2) and support (4), storage facility (7) are installed to the front end of base (1), the internally mounted of storage facility (7) has storage mechanism (2), the internally mounted of storage mechanism (2) has projecting apparatus (3), angle adjusting mechanism (10) are installed to the inboard bottom of storage mechanism (2), and angle adjusting mechanism (10) and the bottom front end position swing joint of projecting apparatus (3), the surface of base (1) is provided with hidden groove (6), the internally mounted of hidden groove (6) has support (4), curtain (5) are installed to the inboard of support (4), support (4) comprise two stands (18), the inboard of stand (18) is provided with presss from both sides groove (19), curtain (5) carry out elevating movement along pressing from both sides groove (19), the internally mounted of pressing from both sides groove (19) has backplate (22), backplate (22) set up the rear end at curtain (5).

2. A multimedia projection apparatus according to claim 1, wherein: storage mechanism (2) include collecting storage (7) and drawer (8), drawer (8) are installed in collecting storage (7) inside, install the inboard at drawer (8) projecting apparatus (3), angle adjustment mechanism (10) pass from the intermediate position of drawer (8).

3. A multimedia projection apparatus according to claim 2, wherein: a first rotating shaft (9) is installed at the rear end of the side edge of the projector (3), and the projector (3) is movably connected with the inner wall part of the drawer (8) through the first rotating shaft (9).

4. A multimedia projection apparatus according to claim 2, wherein: angle adjustment mechanism (10) are including threaded rod (11) and hand wheel (12), the surface of drawer (8) is worn out from the one end of threaded rod (11), the front end in threaded rod (11) is installed in hand wheel (12), the surface cover of threaded rod (11) is equipped with threaded sleeve (13), bottom base (14) are installed at the top of threaded sleeve (13).

5. The multimedia projection device of claim 4, wherein: ejector pin (15) are installed to the top of bottom base (14), the top of ejector pin (15) is provided with top base (17), top base (17) fixed mounting is in the shell bottom of projecting apparatus (3).

6. The multimedia projection apparatus of claim 5, wherein: the two ends of the ejector rod (15) are respectively movably connected with the top base (17) and the bottom base (14) through butt joint sleeves (16), and the tail end of the threaded rod (11) is embedded into the inner wall of the drawer (8) through a bearing.

7. A multimedia projection apparatus according to claim 1, wherein: support (4) include two stands (18) and two backplate (22), every second pivot (20) are all installed to the bottom of stand (18), and the surface swing joint of second pivot (20) and base (1), the surface of stand (18) is inlayed and is equipped with bayonet lock (21), the rear end laminating of backplate (22) and curtain (5).

8. The multimedia projection device of claim 7, wherein: one end of the rear baffle plate (22) is provided with a third rotating shaft (27), the rear baffle plate (22) is embedded into the inner side of the clamping groove (19) through the third rotating shaft (27), the other end of the rear baffle plate (22) is provided with a butt joint hole (28), and the rear baffle plate (22) is partially fixed on the inner side of another upright post (18) through the use of a clamping pin (21) to form the butt joint hole (28).

9. The multimedia projection apparatus of claim 7, wherein: pull rod (23) are installed at the top of curtain (5), fixed end pole (24) are all installed at the both ends of pull rod (23), the inside of spool (25) is received to the bottom book of curtain (5), spool (25) are whole all to inlay the bottommost of adorning hidden groove (6), handle (26) are installed to the top intermediate position of pull rod (23).

10. The multimedia projection device of claim 9, wherein: the curtain (5) is embedded with a second magnet (30), a first magnet (29) is embedded on the surface of the rear baffle (22), the first magnet (29) and the second magnet (30) are adsorbed, and the pull rod (23) is inserted into a clamping groove (19) of each stand column (18) through fixing end rods (24) at two ends.