CN101621898B

CN101621898B - Electronic device casing with positioning and fixing structure

Info

Publication number: CN101621898B
Application number: CN200810137860A
Authority: CN
Inventors: 陈群文; 高敏哲
Original assignee: Asustek Computer Inc
Current assignee: Asustek Computer Inc
Priority date: 2008-07-03
Filing date: 2008-07-03
Publication date: 2012-08-29
Anticipated expiration: 2028-07-03
Also published as: CN101621898A

Abstract

The invention relates to an electronic device casing with a positioning and fixing structure. A fixing part is extended to the upper part of the containing space of a front cover, so that the fixing part can be partially suspended on the containing space, and primary positioning can be carried out by clamping the edge of a plate like element, such as an LCD panel module, and the like; and a fixing piece of a back cover is combined with the fixing part, so that the LCD panel module can be fixed between the front cover and the back cover. Therefore, the fixing part with the functions of positioning and fixing replaces known design which needs positioning clamping hooks and screw holes, thereby minimizing the edge of the casing and achieving the effect of thin frames.

Description

The casing of electronic apparatus of tool positioning and fixing structure

Technical field

The present invention is a kind of casing of electronic apparatus of tool positioning and fixing structure; Be applied to have liquid crystal panel module, the electronic installation of fuel plate such as printed circuit board (PCB), be meant that especially a kind of instead known locations trip and screw reach the casing of electronic apparatus of the tool positioning and fixing structure that reduces the frame size.

Background technology

Along with the progress in epoch, portable electric device is more and more universal, no matter be the mobile phone of staff one machine almost; Or personal digital assistant (Personal Digital Assistant; PDA) etc., carry, all towards lightening trend development for the ease of the user; Except the alleviating of weight, dwindling of bulk shape (volume) also is a considerable ring.

For the weight saving aspect, because the internal electron part, such as circuit board, microprocessor, electric capacity, battery etc., generally all has been almost fixing standard components, be difficult to do further reduction; So generally all is shell to be adopted materials such as almag or plastic-steel shell replace, obtaining preferable specific strength, and can possess firm and characteristic light weight.

And with regard to the part of volume-diminished; Generally can be divided into slimming and miniaturization both direction, the part of slimming is same as described above, because inner member has been fixed size mostly; Unique ability adjustment; Only is the position of being correlated with mostly, but, approximately can have reached 8～12 millimeters (mm) or even approach the ultrathin below 6～7 millimeters with mobile phone on the market at present.The part of miniaturization is at present for fear of the restriction of display screen; Face certain bottleneck; Because the product of this type all is to operate to the user after all, display screen naturally can't be too little, so present overall trend; It is increasing that display screen accounts for the ratio of entire area, so the direction of main microminiaturization just drops on the slimming of frame.

See also Fig. 1; It is the sketch map of fixed form of commonly using the display screen of electronic installation; Utilize the location trip 14 on the front cover 11; Collude in the edge of LCD screen module 13 and do preliminary location, LCD screen module 13 is with after peripheral circuit, electronic correlation element (such as flexible circuit board, motherboard etc.) combine afterwards, the screw of offering in front cover 11 again 12 and utilize screw to lock and accomplish assembling.Another kind of common fixed form is LCD MODULE to be incorporated into to cover metal framework earlier, utilizes front cover to proofread and correct the location again, locks screw afterwards again and accomplishes assembling.

No matter be which kind of commonly uses fixed form; Finally all need utilize screw to lock; Fix because LCD MODULE is different from general circuit board, can't on LCD MODULE, offering perforation, to supply screw to pass fixing, therefore; The part of frame all must be reserved the thickness of screw, can say so to have faced the bottleneck that is difficult to further dwindle again the frame size.

Summary of the invention

The objective of the invention is to disclose a kind of casing of electronic apparatus of tool positioning and fixing structure, be applied to clamping, fixing, play the positioning and fixing effect, to reduce the frame size like fuel plates such as liquid crystal panel module, printed circuit board (PCB)s.

For realizing above-mentioned purpose, solution of the present invention is:

A kind of casing of electronic apparatus of tool positioning and fixing structure; Be used for fixing fuel plate; It includes: protecgulum, have the accommodation space of ccontaining above-mentioned fuel plate, and the accommodation space periphery has at least one fixed part; Fixed part partly extends to and is suspended from the accommodation space top, is used for the edge of the above-mentioned fuel plate of clamping between the below of said fixing portion ledge and the bottom surface of above-mentioned accommodation space; Back of the body lid has the fixture that can combine with said fixing portion.

Said fixing portion is a screw.

Above-mentioned fixing piece is the screw that cooperates with screw.

Said fixing portion is a fixing hole.

Above-mentioned fixing piece is the fixed leg that cooperates with fixing hole.

Above-mentioned fixing piece is the trip that cooperates with fixing hole.

Half of said fixing portion is suspended from the accommodation space.

After adopting such scheme; Fixed part is extended towards accommodation space by the protecgulum edge, and the fixed part of part is suspended from the accommodation space, and can be when fuel plate is installed in accommodation space; The edge of clamping and pressboard linear element, and can do preliminary location to fuel plate; Then cover the keeper that has corresponding to the location division, the bonnet protecgulum is fixed in fixed part by keeper, and makes bonnet be fixed in protecgulum when combining, and further makes the fuel plate positioning and fixing between protecgulum and bonnet.

Because of fixed part not only can be used for combining fixedly protecgulum and bonnet, when fuel plate is assembled, can be used as the usefulness of Primary Location simultaneously; And the design of instead known locations trip, simultaneously, because fixed part is suspended from the accommodation space; Equal inwardly to contract by the protecgulum edge; Therefore, can further make the frame slimming more of protecgulum, related feasible whole casing of electronic apparatus volume-diminished.

Relevant detailed content of the present invention and technology cooperate graphic explanation following now.

Description of drawings

Fig. 1 is the embodiment of fixed form of the display screen of known electronic.

Fig. 2 is the sketch map of the casing of electronic apparatus of tool positioning and fixing structure of the present invention.

Fig. 3 A～3E is the Assembly Action sketch map of the casing of electronic apparatus of tool positioning and fixing structure.

Fig. 4 A, 4B are the comparison sketch mapes of the casing of electronic apparatus of the present invention and known technology tool positioning and fixing structure.

Fig. 5 is the sketch map of another embodiment of the casing of electronic apparatus of tool positioning and fixing structure of the present invention.

Embodiment

Seeing also Fig. 2, is the sketch map of the casing of electronic apparatus of tool positioning and fixing structure of the present invention.

Casing of electronic apparatus includes protecgulum 20 and covers 30 with the back of the body; Cover 30 by protecgulum 20 with the back of the body and fix fuel plate; In general fuel plate can be various electronic installations such as liquid crystal panel module 40, printed circuit board (PCB) common electronic building brick; Being that example cooperates graphic the explanation with liquid crystal panel module 40 only below, is not only can be applied to liquid crystal panel module 40 in order to restriction.

See also Fig. 3 A～3E, it is the Assembly Action sketch map of the casing of electronic apparatus of tool positioning and fixing structure.

Protecgulum 20 includes accommodation space 21, and this accommodation space 21 designs for the liquid crystal panel module 40 that cooperates required installing, but so accommodation space 21 proper feed flow crystal panel modules 40 install; And on accommodation space 21 edges, having more than one fixed part 22, fixed part 22 is in order to cover 30 secure bond with the back of the body; See also Fig. 3 A, shown in figure, in the present embodiment; Fixed part 22 is the most frequently used screw kenels, yet is not only to be limited to the secure bond mode that can only adopt screw.And fixed part 22 be by the frame of protecgulum 20 upwards, extension towards accommodation space 21 in; And the fixed part 22 of part is suspended from the accommodation space 21; And make accommodation space 21 subregions receive covering of upper fixed portion 22, that is to say that outstanding fixed part 22 presents vacant state.

Therefore; In the assembling, see also Fig. 3 B, 3C, can liquid crystal panel module 40 side direction one angle be assembled in the accommodation space 21 of protecgulum 20; Get into the lower zone of fixed part 22 up to the edge of liquid crystal panel module 40; And receive the compacting of fixed part 22, in other words, the edge that equals liquid crystal panel module 40 is held between the bottom surface of below and accommodation space 21 of fixed part 22 ledges; And can be used as preliminary location, reach and commonly use the same effect of design of casing employing location trip by this fixed part 22.

Then, shown in Fig. 3 D, utilize the back of the body to cover 30 again and be incorporated into protecgulum 20, and utilize fixture 31 to come to combine to fix with fixed part 22; At this, because fixed part 22 is the screw kenel, therefore; Fixture 31 cooperates and is the screw thread bond, is screw, screw, bolt etc. for example, comes in addition secure bond.Because liquid crystal panel module 40 has received the compacting of fixed part 22, and has accomplished preliminary location, therefore; Cover in 30 cohesive process in this back of the body, liquid crystal panel module 40 is difficult for breaking away from the positions of accommodation spaces 21, and can accomplish easily the back of the body cover 30 with the combining of protecgulum 20; Utilize fixture 31 to pass the back of the body then and cover 30; Directly be attached in the fixed part 22, make the back of the body cover 30 and fix with 20 complete combinations of protecgulum, and the fixing of completion casing of electronic apparatus.

On the other hand, see also shown in Fig. 3 E, except the design of above-mentioned employing screw; Also can directly fixed part 22 be designed to the form of buried via hole; And cooperate the back of the body cover 30 fixture 31 form for trip, fixed leg, and combine to fix with friction tight mode, certain; Can also adopt the fixed form of other any kind ofs, the present invention only is limited to these two kinds to combine fixed form.

See also Fig. 4 A, 4B, it is the comparison sketch map of the casing of electronic apparatus of the present invention and known technology tool positioning and fixing structure.

See Fig. 4 A; Commonly use the liquid crystal panel module 13 of casing of electronic apparatus; Utilize the location trip to come in addition Primary Location (not shown); Utilize screw to cooperate screw 12 to be fixed in protecgulum 11 then, because can't on liquid crystal panel module 13, offer perforation or screw, so protecgulum 11 edges are bound to such an extent that reserve the space of screw 12 and the wall thickness of screw 12 and ccontaining liquid crystal panel module 13.And the present invention will fix, positioning integration is in single fixed part 22, except the design that replaces the known locations trip, because fixed part 22 integral body move inwardly into accommodation space 21 tops; Therefore, protecgulum 20 edges do not need to reserve any space again, therefore; Can be with liquid crystal panel module 40, just the edge compression of accommodation space 21 is to more near protecgulum 20 edges, and generally speaking because fixed part 22 will have fixing and positioning function concurrently; And fixed part 22 is outstanding many more; Then locating effect is good more, but because overhanging portion becomes many, its fixed effect also just descends; Identical, if ledge reduces, fixed effect improves naturally, but locating effect has also reduced relatively; Therefore the outstanding scope of fixed part 22 is that fixed part 22 is half the for good with the summary, and in other words, just center screw is half the.Therefore; What it reduced approximates apart from T, the shelves wall thickness degree (generally being about 0.8mm) of screw and half the screwhole diameter (the about 1.5mm of general distance), the distance that can reduce minimum 2.3mm altogether; Reach the effectiveness of saving the mechanism space, reach the appearance design of dwindling frame simultaneously.

See also Fig. 2, in general, the fixed part 22 on the protecgulum 20 only needs one can reach required function; Yet, cooperate the size of liquid crystal panel module 40, can also design in monolateral and have two fixed parts 22 and cooperate; All dispose fixed part 22 on the adjacent even both sides, and in principle, if on non-conterminous relative both sides, install; Then the installing meeting of liquid crystal panel module 40 is comparatively difficult, but still can reach identical effect.In case of necessity; Can also cooperate known location trip 14 to come assist location; Even increase screw and on protecgulum 20, come auxiliary fixing, similarly change being all the present invention and disclosing the scope of protecting, only need possess has at least one fixed part 22 to be suspended from promptly to belong to scope of the present invention on the accommodation space 21.

See also Fig. 5, it is the sketch map of another embodiment of the casing of electronic apparatus of tool positioning and fixing structure of the present invention.

Simply utilize protecgulum 20 to cover 30 to grip the way of liquid crystal panel module 40 except above-mentioned with the back of the body; Shown in figure; Design that can also extra increase center 50 comes auxiliary fixing circuit board 60, and is identical; Fix the liquid crystal panel module 40 except protecgulum 20 adopts aforesaid ways, the back of the body covers 30 also can be adopted and fix circuit board 60 in a like fashion.

Therefore, the casing of electronic apparatus of the tool positioning and fixing structure that the present invention discloses utilizes part to protrude in the fixed part 22 of the accommodation space 21 of protecgulum 20; Directly position to edge like fuel plates such as liquid crystal panel module, printed circuit board (PCB)s; And can cover 30 fixture 31 for the back of the body and combine to fix, and make fixed part 22 with function fixing, the location, save commonly use the design of locating trip 14, screw 12 is set on protecgulum 11; And can dwindle mechanism design need the space; Reach the effect of featheredge frame, and can utilize identical parts, reach the effect of dwindling mechanism size.

Though the present invention discloses as above with aforesaid preferred embodiment; So it is not in order to limit scope of the present invention; Allly do a little change and retouching in the spirit and scope of the present invention not breaking away from; Must belong in protection scope of the present invention, so protection scope of the present invention should be looked claim and defined and be as the criterion.

Claims

1. the casing of electronic apparatus of a tool positioning and fixing structure is used for fixing fuel plate, it is characterized in that including:

Protecgulum; Accommodation space with ccontaining above-mentioned fuel plate; The accommodation space periphery has at least one fixed part, and fixed part partly extends to and is suspended from the accommodation space top, is used for the edge of the above-mentioned fuel plate of clamping between the below of said fixing portion ledge and the bottom surface of above-mentioned accommodation space;

Back of the body lid has the fixture that can combine with said fixing portion.

2. the casing of electronic apparatus of tool positioning and fixing structure as claimed in claim 1 is characterized in that: said fixing portion is a screw.

3. the casing of electronic apparatus of tool positioning and fixing structure as claimed in claim 2 is characterized in that: the screw of above-mentioned fixing piece for cooperating with screw.

4. the casing of electronic apparatus of tool positioning and fixing structure as claimed in claim 1 is characterized in that: said fixing portion is a fixing hole.

5. the casing of electronic apparatus of tool positioning and fixing structure as claimed in claim 4 is characterized in that: above-mentioned fixing piece is the fixed leg that cooperates with fixing hole.

6. the casing of electronic apparatus of tool positioning and fixing structure as claimed in claim 4 is characterized in that: above-mentioned fixing piece is the trip that cooperates with fixing hole.

7. the casing of electronic apparatus of tool positioning and fixing structure as claimed in claim 1 is characterized in that: half of said fixing portion is suspended from the accommodation space.