A kind of dust cover and multimedia all-in-one machine being applicable to multimedia all-in-one machine
Technical field
The present invention relates to a kind of multimedia all-in-one machine technical field, particularly relate to a kind of dust cover and multimedia all-in-one machine of applicable multimedia all-in-one machine.
Background technology
Along with the development of science and technology, multimedia all-in-one machine is more and more applied in teaching, usually the side being placed in classroom blackboard is used for aided education, but, in traditional classroom, dust is as very large in chalk dust, when multimedia all-in-one machine in working order under, can because of the rotation of motor, bring a large amount of dust into in multimedia all-in-one machine main frame, direct result of use and the life-span affecting multimedia all-in-one machine, under the idle state of multimedia all-in-one machine, a large amount of dust also can cause covering to screen, as do not cleared up in time, also the result of use of screen will be affected.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of this invention is to provide a kind of dust cover and the multimedia all-in-one machine that are applicable to multimedia all-in-one machine, solving the demand that multimedia all-in-one machine is dust-proof.
The invention provides a kind of dust cover being applicable to multimedia all-in-one machine, comprise: main supporting rod (1), keel (2), one rear cover body (3), cover body (4) before two, two telescopic shafts (5), two heat emission fan (6) form, main supporting rod (1) is fixed on multimedia all-in-one machine by buckle (11), keel (2) are connected with main supporting rod (1) one, rear cover body (3) is fixed on main supporting rod (1) by keel (2), two sides keel (2) are fixed with respectively a telescopic shaft (5), before two, cover body (4) distribution is accommodated in left and right telescopic shaft (5), rear cover body (3) interarea has two circular holes (31) along main supporting rod (1) symmetry, two heat emission fan (6) distribution is embedded in circular hole (31), be fixed on main supporting rod (1) by tripod (61).
Before described two, the front end of cover body (4) is provided with magnetic stripe (41), and described magnetic stripe (41) is attractive is fixed on screen front by two by front cover body (4).
Rear cover body (3) is frivolous Dustproof non-woven fabric.
Circular hole (31) diameter of described rear cover body (3) is greater than heat emission fan (6) diameter.
Described heat emission fan (6) is low-power heat emission fan, by same power line (62) by externally fed.
Accordingly, present invention also offers a kind of multimedia all-in-one machine, comprise the dust cover being suitable for multimedia all-in-one machine as above, the described dust cover being suitable for multimedia all-in-one machine is fixed on the shell at the multimedia all-in-one machine body equipment back side by the buckle on main supporting rod (1), rear cover body (3) is fixed on support bar (1) by keel (2), is suitable in the dust cover of multimedia all-in-one machine body equipment described in being covered on by multimedia all-in-one machine body.
Compared with prior art, dust cover in the present invention, the main body of multimedia all-in-one machine is covered by rear cover body (3), prevent entering of dust, by heat emission fan (6), ensure multimedia all-in-one machine operationally, apparatus overheat can not be caused because of dust cover body, front cover body (4) is when multimedia all-in-one machine work, be accommodated in telescopic shaft (5), when multimedia all-in-one machine does not work, when needing to make protection to screen, cover body (4) before pulling out respectively from left and right sides telescopic shaft (5), move screen dead ahead to, attracted each other by magnetic stripe (41), cover body before both sides (4) is fixed before screen, now front cover body (4) and rear cover body (3) form closed cover body, effectively prevent entering of dust.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the multimedia all-in-one machine dust cover in the embodiment of the present invention;
Fig. 2 is the Facad structure schematic diagram of the multimedia all-in-one machine dust cover of the embodiment of the present invention;
Fig. 3 is the structure schematic diagram of the multimedia all-in-one machine dust cover of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Accordingly, Fig. 1 shows the structural representation of the multimedia all-in-one machine dust cover in the embodiment of the present invention, and Fig. 2 shows the Facad structure schematic diagram of the multimedia all-in-one machine dust cover in this practical embodiment, this multimedia all-in-one machine dust cover is primarily of a main supporting rod 1, keel 2, one rear cover body 3, cover body 4 before two, two telescopic shafts 5, two heat emission fan 6 form, main supporting rod 1 is fixed on multimedia all-in-one machine by buckle 11, keel 2 are connected with main supporting rod 1 one, rear cover body 3 is fixed on main supporting rod 1 by keel 2, two sides keel 2 are fixed with respectively a telescopic shaft 5, before left and right, cover body 4 distribution is accommodated in left and right telescopic shaft 5, before needs use during cover body 4, pull the magnetic stripe 41 of front cover body 4 front end, left and right, by magnetic stripe 41 mutual attraction, cover body before left and right 4 is fixed on screen front.
Further, Fig. 3 shows the structure schematic diagram of the multimedia all-in-one machine dust cover of the embodiment of the present invention, rear cover body) interarea has two circular holes 31 along main supporting rod 1 symmetry, two heat emission fan 6 distributions are embedded in circular hole 31, be fixed on main supporting rod 1 by tripod 61, wherein rear cover body 3 is frivolous Dustproof non-woven fabric, and described in rear cover body 3, circular hole 31 diameter is slightly larger than heat emission fan 6 diameter, described heat emission fan 6 is low-power heat emission fan, by same power line 62 externally fed.
In specific implementation process, multimedia all-in-one machine dust cover, be fixed on the shell at the multimedia all-in-one machine back side by the buckle on main supporting rod 1, rear cover body 3 is fixed on support bar 1 by keel 2, multimedia all-in-one machine is covered in dust cover, effectively prevent entering of dust, when multimedia all-in-one machine works, for ensureing that dust cover does not affect the heat radiation of multimedia all-in-one machine, heat emission fan 6 is allowed to rotate by power line 62, for the heat radiation of multimedia all-in-one machine backboard, blow off near the dust of multimedia all-in-one machine simultaneously, when multimedia all-in-one machine does not work, when needing to make protection to multimedia all-in-one machine screen, before only need pulling out left and right from both sides telescopic shaft 5, cover body 4 is to screen front, by the gravitation that magnetic stripe 41 is mutual, cover body before left and right 4 is fixed before screen, a cover body closely closed is formed with rear cover body 3, entering of effective placement dust, when again needing to use multimedia, only need by magnetic stripe 41 separately, before the left and right sides, cover body 4 automatically can shrink and get back in telescopic shaft 5.
To sum up, multimedia all-in-one machine dust cover in the present invention, an effective dust guard is constituted by adopting fixing rear cover body and flexible front cover body, by the heat emission fan on rear cover body, ensure that multimedia all-in-one machine can not because of the existence impact heat radiation of cover body, at any time front cover body can be accepted by telescopic shaft, expose screen, do not affect the normal display of multimedia all-in-one machine, pass through magnetic stripe, cover body before both sides can be fixed together, form the nearly cover body closed with rear cover body, for multimedia all-in-one machine intercepts dust.
The dust cover being applicable to multimedia all-in-one machine provided the embodiment of the present invention above and multimedia all-in-one machine are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.