Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of liquid crystal indicator, while the performance meeting liquid crystal indicator requirement surface structure part " dimensionally stable, not yielding, surface aesthetic ", the cost of liquid crystal indicator can be reduced.
In order to achieve the above object, this invention takes following technical scheme:
A kind of liquid crystal indicator, it comprises: fore shell, center, isolation fixed mechanism, glass back plate, horizontal fixed mechanism, back cover, wall hanging fixed leg and screw; Described fore shell, center, isolation fixed mechanism and glass back plate are stacked successively; Described center, isolation fixed mechanism and glass back plate are installed on described fore shell, and described wall hanging fixed leg passes described horizontal fixed mechanism and glass back plate and isolation fixed mechanism successively and fixes, and described back cover is fixed by screw and described horizontal fixed mechanism;
Wherein, described isolation fixed mechanism comprises two vertical beams and three division boards, and described two vertical beams are disposed between three division boards, and one end of described vertical beam is fixed on described center, described division board thickness is identical with the thickness of vertical beam, makes division board and vertical beam at grade.
In described liquid crystal indicator, described horizontal fixed mechanism comprises two crossbeams, and described wall hanging fixed leg passes described crossbeam and glass back plate and vertical beam successively and fixes.
In described liquid crystal indicator, described two crossbeams are entablature and sill, and the lower end of described sill has a kink, and described bent plate portion is against the base of described glass back plate.
In described liquid crystal indicator, also comprise heat radiator, the other end of described heat radiator and described vertical beam is fixed.
In described liquid crystal indicator, two sides of described fore shell are provided with the first draw-in groove, and one end of described first draw-in groove has breach; Described glass back plate is correspondingly provided with the first buckle.
In described liquid crystal indicator, the top margin of described fore shell is provided with the second draw-in groove, described glass back plate is correspondingly provided with the second buckle.
In described liquid crystal indicator, between fore shell and center, be provided with PCBI.
In described liquid crystal indicator, between center and isolation fixed mechanism, be stacked with blooming piece, light guide plate and reflector plate successively.
In described liquid crystal indicator, described glass back plate is black tempered glass.
Compared to prior art, liquid crystal indicator provided by the invention, iron backboard of the prior art and large plastics back cover is replaced by glass back plate and little plastics back cover, while the performance meeting liquid crystal indicator requirement surface structure part " dimensionally stable, not yielding, surface aesthetic ", the mould for the mould and stamped metal backboard opening large plastics back cover can also be removed from, both save huge die sinking expense, shorten product development cycle again.
Embodiment
What the present invention was mainly used in big screen LCD manufactures and designs industry, lower and the product that outward appearance is more beautiful of a series of cost of products relative to prior art is produced in design, it changes the structure and material of conventional liquid crystal completely, not only provide a brand-new better quality products at good values structural solutions, simultaneously also for this application provides a kind of application material newly for liquid crystal display manufactures and designs industry.
For making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Liquid crystal indicator provided by the invention is preferably large-screen liquid crystal display television machine, as more than 47 cun liquid crystal TV sets.Refer to Fig. 2, Fig. 3 and Fig. 4, wherein, Fig. 2 is the STRUCTURE DECOMPOSITION figure of liquid crystal indicator of the present invention.Fig. 3 is the schematic rear view of the non-mounting seat of liquid crystal indicator of the present invention.Fig. 4 is the schematic rear view after liquid crystal indicator mounting seat of the present invention.。
As shown in Figures 2 to 4, liquid crystal indicator provided by the invention comprises fore shell 10, center 20, isolation fixed mechanism 30, glass back plate 40, horizontal fixed mechanism 50, back cover 60, wall hanging fixed leg 70.Wherein, described fore shell 10, center 20, isolation fixed mechanism 30 and glass back plate 40 are stacked successively, and described center 20, isolation fixed mechanism 30 and glass back plate 40 are installed on described fore shell 10.
In the present embodiment, described fore shell 10 is betal can, described back cover 60 is installed on the back side of glass back plate 40, this back cover 60 can be set to undersized plastic housing, more than its size is more half as large than glass back plate 40, as shown in Figure 3, this back cover 60 is in " ┻ " shape, its width is identical with the width of glass back plate 40, highly be about 3/5ths of glass back plate 40, back cover 60 is arranged in glass back plate 40 by its first half, its the latter half is mainly used in the internal electronic element blocking liquid crystal indicator, and at back cover 60, there is an opening, for installing the base 90 of liquid crystal indicator, as shown in Figure 3 and Figure 4, most of glass back plate 40 is exposed after assembling completes.
Please continue to refer to Fig. 2 to Fig. 4, described wall hanging fixed leg 70 is thread connector, the specification of screw thread can be selected as required, during concrete enforcement, described wall hanging fixed leg 70 is fixed with isolation fixed mechanism 30 through described horizontal fixed mechanism 50 and glass back plate 40 successively, and described back cover 60 is fixed by screw 80 and described horizontal fixed mechanism 50.
Preferentially, described glass back plate 40 is black tempered glass, in specific implementation process, first by the inside surface silk-screen black of glass, and can shading line and appearance looks elegant; Carry out tempering process afterwards and form black tempered glass.The present invention carrys out metal backing and the plastics back cover of alternative large-screen lc device of the prior art by black tempered glass and undersized plastics back cover, make use of the characteristic of glass size stable (its coefficient of thermal expansion and contraction is little), not yielding (rigidity is high), surface smoothing light, possess liquid crystal indicator (as LCD TV all-in-one machine) to three of outward appearance structural member main technique requirements.And, the requirement of the present invention to back cover 60 significantly reduces, for liquid crystal display industry provides a kind of inexpensive new construction, not only can reduce cost of products (for 47 cun of LCD TV, cost can economize about 60 yuan), can also remove from prior art and open the large mould of plastics back cover and the mould of metal backing, both save huge die sinking expense, and shortened product development cycle again.Further, glass surface is smooth, appearance looks elegant.
But, glass can not be easy to processing and forming, surrounding and also should not play screw and fix as plastics and sheet metal, so need a brand new technical solution to realize the application of glass in field of liquid crystal, will specifically set forth the structure of liquid crystal indicator below.
Please refer to Fig. 2 and Fig. 5, wherein, Fig. 5 is the structural representation of isolating fixed mechanism in liquid crystal indicator of the present invention.Described isolation fixed mechanism 30 comprises two vertical beams 301 and three division boards 302, described two vertical beams 301 are disposed between three division boards 302, one end (being specially the upper end of vertical beam 301) of described vertical beam 301 is fixed by screws on described center 20, and insert in the draw-in groove (not marking in figure) of fore shell 10, as shown in Figure 6.
In the present embodiment; described vertical beam 301 is for having the metal vertical beam of higher stiffness; described division board 302 is preferably foam backing plate; and division board 302 thickness is identical with the thickness of vertical beam 301; make division board 302 and vertical beam 301 at grade; mainly for the protection of glass back plate 40, prevent glass back plate 40 from extruding is broken.
Further, liquid crystal indicator of the present invention also comprises heat radiator 100, and described heat radiator 100 is fixed by the other end (being specially the lower end of vertical beam 301) of screw and described vertical beam 301, makes heat radiator 100 be positioned at the bottom of fore shell 10.During concrete enforcement, described heat radiator 100 is positioned at the below of three division boards 302, and itself and division board 302 height sum are less than the height of fore shell 10, as shown in Figure 5.
Refer to Fig. 7 and Fig. 8, wherein, Fig. 7 is the schematic diagram of horizontal fixed mechanism in liquid crystal indicator of the present invention.Fig. 8 is the bottom training view of liquid crystal indicator of the present invention.Described horizontal fixed mechanism 50 comprises two crossbeams, is specially entablature 501 and sill 502, and described wall hanging fixed leg 70 is fixed with vertical beam 301 through described crossbeam and glass back plate 40 successively.
Specifically, described glass back plate 40 is provided with five through holes (as shown in FIG. 16 and 17), described entablature 501 and sill 502 are fixed through described glass back plate 40 and vertical beam 301 by screw, fix the position of crossbeam, then can fix back cover 60 on crossbeam with this.In order to prevent damaging glass, described wall hanging fixed leg 70 being arranged with plastic sheath (not marking in figure), by plastic sheath, wall hanging fixed leg 70 and glass back plate 40 being isolated, preventing wall hanging fixed leg 70 from damaging glass back plate 40.
In order to reduce the thickness of liquid crystal indicator, the height of described glass back plate 40 is identical with the height of division board 302, described heat radiator 100 is arranged on vertical beam 301 when mounted, and is positioned at the below of glass back plate 40, then can mounting circuit boards on described sill 502.
See also Fig. 8 and Fig. 9, Fig. 9 is the assembling schematic diagram of glass back plate 40 and sill 502 in liquid crystal indicator of the present invention.As shown in Figure 9, the lower end of described sill 502 has a kink 5021, and described bent plate portion is against the base of described glass back plate 40.Specifically, described kink 5021, in an angle of 90 degrees bending, makes sill 502 can hold the base of glass back plate 40, limits moving down of glass with this, thus can the position of fixing glass backboard 40.
Also should not play screw fix because glass can not be easy to processing and forming, surrounding as plastics and sheet metal, therefore the present invention's fixedly having done some and improve also to glass back plate 40, can be fixed with fore shell 10 by the mode of buckle.
Refer to Figure 10, Figure 11 and Figure 12, wherein, Figure 10 is the schematic diagram of the first draw-in groove in liquid crystal indicator of the present invention on fore shell.Figure 11 is the schematic diagram before the first buckle in liquid crystal indicator of the present invention in glass back plate engages with the first draw-in groove on fore shell.Figure 12 is the schematic diagram after the first buckle in liquid crystal indicator of the present invention in glass back plate engages with the first draw-in groove on fore shell.
In the embodiment of the present invention, two sides of described fore shell 10 are provided with the first draw-in groove 101, one end of described first draw-in groove 101 has breach 1011, and described glass back plate 40 is provided with the first buckle 401 to the corresponding position of the first draw-in groove 101.During concrete enforcement, described breach 1011 is positioned at the lower end of the first draw-in groove 101, its width is identical with the width of the first buckle 401, when assembling this part, first the first buckle 401 is placed on breach 1011 place, then pushes away glass back plate 40 by the direction of arrow in Figure 11, the first buckle 401 is engaged with the first draw-in groove 101, thus glass back plate 40 is fixed in fore shell 10, after having assembled, the position of the first buckle 401 is as shown in figure 12.
Refer to Figure 13, Figure 14 and Figure 15, wherein, Figure 13 is the structural representation of the second draw-in groove in liquid crystal indicator of the present invention on fore shell.Figure 14 is the schematic diagram before the second buckle in liquid crystal indicator of the present invention in glass back plate engages with the second draw-in groove on fore shell.Figure 15 is the schematic diagram after the second buckle in liquid crystal indicator of the present invention in glass back plate engages with the second draw-in groove on fore shell.
Further, the top margin of described fore shell 10 is provided with the second draw-in groove 103, position corresponding to the second draw-in groove 103 in described glass back plate 40 is provided with the second buckle 402.When assembling this part, first the second buckle 402 is aimed at the second draw-in groove 103 to block, then pushing away glass back plate 40 by the direction of arrow in Figure 14 makes the second buckle 402 snap in the second draw-in groove 103, makes it be fixed in fore shell 10, and after having assembled, the position of the second buckle 402 as shown in figure 15.
See also Figure 16 and Figure 17, wherein, Figure 16 be in liquid crystal indicator of the present invention glass back plate assembling before schematic diagram.Figure 17 is the schematic diagram in liquid crystal indicator of the present invention after glass back plate assembling.
Described first buckle 401 and the second buckle 402 are metal buckle, are bonded on the inside surface of glass back plate 40 by metal buckle by seccotine.And position and the quantity of the first draw-in groove 101 that the first buckle 401 is corresponding on fore shell 10 with quantity with the position of the second buckle 402 and the second draw-in groove 103 are corresponding.When mounting glass backboard 40, first buckle 401 is placed on breach 1011 place of the first draw-in groove 101, and now there is a determining deviation in the second buckle 402 and the second draw-in groove 103 to make the second buckle 402 aim at the second draw-in groove 103(), as shown in figure 16, then glass back plate 40 is upwards pushed away by the visual angle of Figure 16, first buckle 401 is engaged with the first draw-in groove 101, makes the second buckle 402 engage with the second draw-in groove 103 simultaneously, glass back plate 40 is fixed on fore shell 10.The present invention is after glass back plate 40 is installed, and the exposed face of monolithic glass backboard 40, can't see any screw and connect with fore shell 10, also cannot see metal buckle and other structural member, and smooth in appearance is clean and tidy, makes the appearance looks elegant of liquid crystal indicator.
Please continue to refer to Fig. 2, in liquid crystal indicator of the present invention, between fore shell 10 and center 20, be provided with PCBI 110, and PCBI 110 and center 20 are fixed on described fore shell 10.
Further, in liquid crystal indicator of the present invention, between center 20 and isolation fixed mechanism 30, be stacked with blooming piece 120, light guide plate 130 and reflector plate 140 successively, it is prior art, is not described further herein.
Below the assembling process of liquid crystal indicator of the present invention is described in detail:
As Fig. 2 and Fig. 7, successively by PCBI 110, center 20, blooming piece 120, light guide plate 130, reflector plate 140 installs on fore shell 10, again heat sink is arranged on the bottom of fore shell 10, then the lower end screw of vertical beam 301 is connected with heat sink, upper end also connects with center 20 with screw and inserts in the draw-in groove of fore shell 10 simultaneously, again three pieces of division boards 302 are placed on reflector plate 140, make two vertical beams 301 between three pieces of division boards 302, mounting glass backboard 40 more afterwards, the first buckle 401 in glass back plate 40 and the second buckle 402 is made to snap in corresponding first draw-in groove 101 and the second draw-in groove 103, wall hanging fixed leg 70 is utilized to install crossbeam 501 and sill 502 afterwards, again circuit board, loudspeaker, platen bracket (for mounting seat), power switch, function button etc. are arranged on relevant position, with screw 80, back cover 60 is installed again afterwards, after detecting, gets final product shipment.
In sum, the present invention replaces iron backboard of the prior art and large plastics back cover by glass back plate, while the performance realizing liquid crystal indicator surface structure part " dimensionally stable, not yielding, surface aesthetic ", reduce the cost of product, for 47 cun of LCD TV, its cost can economize about 60 yuan.
In addition, owing to adopting glass back plate, the mould for the mould and stamped metal backboard opening large plastics back cover can also be removed from, both saved huge die sinking expense, and shortened product development cycle again.Glass back plate smooth surface is smooth, all installs and adopts buckle to fix (without the need to screw), make product appearance more aobvious more high-grade, beautiful.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.