CN2613806Y - Extension card fixing device - Google Patents

Abstract

A fixing device for an extended card comprises a backboard, a pressing board and a screw, wherein the backboard is provided with a plurality of slots on the lower portion for holding the fixing piece of the extended card, a plurality of first grabs, second grabs, third grabs and fourth grabs are arranged on the area of the backboard adjacent to the slots. The pressing board comprises a soleplate and a lateral board, wherein the soleplate is provided with a plurality of slots, a screw seat is arranged on the side of the soleplate, a plurality of holding pieces are arranged on the jointing place of the soleplate of the pressing board and the lateral board. The pressing board is clipped between the first and the second grabs of the backboard, the third and the fourth grabs are adopted in the corresponding slots of the pressing board, the pressing board is driven to slide to the extended card to the holding pieces to hold the corresponding fixing piece, and the pressing board is locked on the screw seat via a screw. The utility model is more simple in structure comparing with the prior art, and reduces the cost of production.

Description

Expansion card fixer

[technical field]

The utility model is about a kind of expansion card fixer, refers to a kind of simple in structure and dismounting expansion card fixer fast and easily especially.

[background technology]

The function limitation of big Multi Computer for cooperating the more and more stronger functional requirement of computing machine now, often strengthens its extra function by some are installed as expansion boards such as sound card, graphics acceleration cards in the configuration of mainboard itself on the expansion slot of mainboard.After expansion board is loaded on the expansion slot of computer motherboard, in the mobile computer process or computing machine when being subjected to accidental shock, expansion board can produce and come off or expansion board is loosening rocks the hurtful phenomenon of the expansion slot of mainboard, for preventing that expansion board from coming off or becoming flexible, need expansion board is fixedly secured in the expansion slot of mainboard.Existing expansion board comprises a plate body that links to each other with the expansion slot of mainboard and a stator, this stator comprises a folded angular surface, offer breach on the folded angular surface, offer some expansion draw-in grooves behind the computing machine on the plate, these expansion draw-in groove one ends bend one folding piece and form a fluting outside casing, the breach of corresponding expansion board has some screws on this tabs.Folded angular surface with the expansion board stator during installation passes in the fluting of this back plate, and with the back plate tabs fit, the breach that afterwards screw is passed this folded angular surface locks together with the screw of corresponding tabs; When removing expansion board, must earlier screw be screwed out.Yet each expansion board all needs a screw and casing locking, and dismounting or installation expansion board must be by related tools such as bottle openers, and process is comparatively loaded down with trivial details, unfavorable assembly and disassembly quickly and easily in large quantity, and work efficiency is extremely low.

Shortcoming at above-mentioned expansion board locking mode, the fixedly stationary installation of expansion board has appearred being specifically designed in industry, Taiwan is announced No. 472906 patent and has been disclosed a kind of in order to expansion board is fixed in the stationary installation of computer housing rear window, it comprises a deck body and is installed in the intrinsic at least one piece that presses of deck, wherein this presses piece and convexes with a pressure section, this deck body is provided with loading plate, this loading plate is provided with track, press relative this track of piece and offer guide groove to be contained in slidably in this loading plate, press this contact level of deck that piece contacts with the deck body and offer first groove and second groove, press piece and then be provided with a card article at the wall that contacts with this this contact level of deck, and cooperating by card article and groove, make and press piece and be positioned on the appropriate location of loading plate, this press piece from the card article position also one be extended with an elasticity button, can make card article break away from the groove of this loading plate by pushing this elasticity button.This deck body periphery wall is provided with spiro-locking section, can pass computer housing and spiro-locking section firmly is combined in the deck body on the casing by screw, the loading plate of this deck body also is provided with some dowels, and the corresponding dowel in the location division of this casing rear window offers some pilot holes.During assembling, must be with the corresponding pilot hole that inserts casing of dowel, and deck body and casing are fixed by screw, when the locking expansion board, make to press piece and slide to this expansion board, compress the locking of finishing expansion board that cooperates of this expansion board and second groove by pressing piece card article and deck body to the pressure section that presses piece along the slideway of loading plate; During desire dismounting expansion board, push the button that presses piece earlier, its card article and second groove are separated, promote this then and press piece and discharge this expansion board.Yet, this stationary installation also must some screws and dowel just can be fixed on casing, the dismounting complexity of stationary installation is loaded down with trivial details; And this relative motion that presses between piece and body is reached by the guide groove track structure, and the manufacturing accuracy of guide groove track is direct motion-affecting effect, thereby manufacturing accuracy is had relatively high expectations, and then increases manufacturing cost; Moreover the stationkeeping that presses piece is reached by the card article groove structure, and whether also directly relevant with manufacturing accuracy the two engaging is firmly, and repeatedly uses the wearing and tearing meeting of card article groove afterwards should influence the engaging effect of the two, and then influences fixing of expansion board.So this fixture structure complexity, its by the guide groove track structure reach press piece and body between motion, reach by the card article groove structure and to press determining of piece position, reach the locking of body and casing by the some screws and a nail tip; Manufacturing accuracy is had relatively high expectations, and then promotes manufacturing cost.

So provide a kind of expansion card fixer simple in structure and assembly and disassembly expansion board quickly and easily to become industry problem anxious to be solved.

[summary of the invention]

One of technical problem to be solved in the utility model is to provide a kind of simple in structure and expansion card fixer of assembly and disassembly expansion board quickly and easily, control and reduce the manufacturing cost of stationary installation when two of technical matters to be solved is to reach rapid and convenient dismounting expansion board.

The utility model solves the problems of the technologies described above by the following technical programs: the utility model expansion card fixer is used for expansion board holding in casing, this expansion board comprises a stator, and this expansion card fixer comprises a back plate, a pressboard and a screw.This plate bottom, back offers some slots, and in order to accommodate the stator of expansion board, this back plate also is provided with some first grabs, second grab, the 3rd grab and the 4th grab in the zone of contiguous these slots.This pressboard comprises a base plate and along the vertical side plate that bends of base plate, this base plate offers some flutings that correspondence is accommodated the 3rd and the 4th grab, and a side of this base plate also is provided with a spiral shell seat, and the base plate of this pressboard and side plate junction are provided with some buttons and hold sheet.During assembling, this pressboard is clamped between first, second grab of this back plate, the the 3rd and the 4th grab of this back plate is housed in the corresponding fluting of this pressboard, the stator of expansion board fits with the slot of back plate, promote this pressboard and slide to these expansion boards, to the button of this pressboard hold sheet compress the button hold these stators, by this screw and cooperating of pressboard spiral shell seat pressboard is locked in this back plate at last.

By technique scheme, make the assembling or the dismounting expansion board become extremely convenient and simple, and the design of pressboard compared with prior art structure is more simple, reduced production cost.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model expansion card fixer and expansion board.

Fig. 2 is the stereo amplification figure of the pressboard of the utility model expansion card fixer.

Fig. 3 to Fig. 5 is the utility model expansion card fixer assembling process figure.

Fig. 6 is the view of Fig. 5 other direction.

[embodiment]

See also Fig. 1 and Fig. 2, the utility model expansion card fixer is used for expansion board 50 is fixed on (not icon) in the casing, and it comprises a pressboard 10, a screw 18 and a back plate 30.

This pressboard 10 roughly becomes L shaped, and it comprises a base plate 12 and a side plate 14 along base plate 12 vertical bendings.This spaced apart pair of L-shaped fluting 123 that is provided with in base plate 12 contiguous these side plate 14 places, and from offer pair of L-shaped fluting 125 at interval away from the side of this side plate 14, appropriate location vertical base plate 12 protrudes out a spiral shell seat 127 between the fluting 125, and wherein slotting 123,125 comprises a horizontal component and a vertical part respectively.The vertical outwards bending of the periphery of this side plate 14 one discontinuous flanging 141 outwards is bent with some shell fragments 143 on the plate body of this side plate 14.The junction of this base plate 12 and side plate 14 outwards bends the some buttons of extension and holds sheet 16.

This casing comprises a back plate 30, and these back plate 30 bottoms offer some slots 39.These slot 39 1 ends outwards bend one folding piece 34, and form an opening 36 on the plate 30 of back.Corresponding these slots 39 in these back plate 30 right sides are formed with some clasps 38 respectively.This back plate 30 offers some through holes (figure is mark not) in opening 36 left field, and with auxiliary heat dissipation, this zone is provided with a pair of salient point 32 at interval away from opening 36 appropriate locations.This zone bends one first grab 321 and one second grab 322 respectively in adjacent openings 36 places in two ends up and down, wherein this first grab 321 is to extend in casing (figure does not show) earlier from this lower end, zone, extend vertically upward then, the approaching face that extends internally again forms, this second grab 322 is that vertical earlier back plate 30 extends internally, and extends vertically downward then to form.One side of this opening 36 of this region adjacent is to fluting 123 that should pressboard 10 a pair of the 3rd grab 323 that bends inwards.A pair of the 4th grab 325 of the interior lateral buckling of salient point 32 is contained in correspondence in the fluting 125 of this pressboard 10.

This expansion board 50 comprises a plate body 52 and a stator 54, these stator 54 vertical bending one folded angular surfaces 56.These stator 54 correspondences fit in the slot 39 of back plate, and these folded angular surface 56 correspondences fit in the tabs 34 of back plate 30.

Consult Fig. 3 to Fig. 6 in the lump, during assembling, the side plate 14 of pressboard 10 passes the opening 36 of back plate 30, its base plate 12 upper ends are stuck in this second grab, 322 inboards, base plate 12 lower ends are slipped into from the approaching face (figure is mark not) of first grab 321, this moment, this base plate 12 placed between first grab 321 and second grab 322, the side of this base plate 12 covers these salient points 32, be somebody's turn to do the 3rd of back plate 30 simultaneously, the 4th grab 323,325 respectively from the fluting 123 of pressboard 10,125 vertical part stretches into, first grab 321 and second grab 322 are held on this base plate 12 therebetween slidably, and with the 3rd, the 4th grab 323,325 hang on pressboard 10 back plate 30 together.Then, to slot 39 directions this pressboard 10 that slides, its base plate 12 slips over these salient points 32, three, the 4th grab 323,325 skids off its position of 123,125 o'clock of beginning insertion fluting relatively, this moment, salient point 32 was used to limit pressboard 10 along the displacement away from slot 39 directions, thereby prevent that 12 times cunnings of base plate from causing that the 3rd, the 4th grab 323,325 breaks away from from 123,125 the vertical part of slotting, first grab 321, second grab 322 the 3rd grab 323 and the 4th grab 325 restriction pressboards 10 are along vertical back plate 30 directions and along the displacement of back plate 30 above-below directions.Afterwards the stator 54 of expansion board 50 is covered the slot 39 of back plate 30, the folded angular surface 56 of this expansion board 50 passes the opening 36 of this back plate 30 and fits with the tabs 34 of back plate 30, and its other end is housed in the clasp 38 of this back plate 30.Then pressboard 10 is promoted to expansion board 50, this pressboard 10 slides along the 3rd, the 4th grab 323,325, compress the folded angular surface 56 of this expansion board 50 to the shell fragment 143 of the side plate 14 of this pressboard 10, the flanging 141 of this pressboard 10 is fitted in the periphery of the tabs 34 of back plate 30, and the button of this pressboard 10 is held sheet 16 correspondences and compressed the displacement of the stator 54 of this expansion board 50 of fitting with restriction stator 54 direction in casing simultaneously; Pass the through hole of back plate 30 and screw in the spiral shell seat 127 of this pressboard 10 by screw 18 at last and be fixed.So far, expansion board 50 has been assembled and has been finished; When desire is dismantled this expansion board 50, only need take off screw 18, and pressboard 10 is pushed away expansion board 50, expansion board 50 can be taken out easily.

Claims (8)

1. expansion card fixer that is used for some expansion boards are fixed in casing, it comprises a back plate, this back plate offers some slots, in order to accommodate the stator of expansion board, slot one end outwards bends one folding piece, and on the plate of back, form an opening, it is characterized in that: the zone of this back plate adjacent openings one side is provided with some grabs, and this zone is provided with a through hole at least; This expansion card fixer also comprises a pressboard and a screw, and this pressboard comprises a base plate and side plate, and this base plate is provided with a spiral shell seat away from the side plate place, and the intersection of this base plate and side plate is bent with the buckling piece that some buttons are held the expansion board stator; These grabs are fixed in this back plate slidably with the base plate of pressboard, and the through hole that this screw passes this back plate matches with the spiral shell seat of pressboard pressboard is locked in this back plate.

2. expansion card fixer as claimed in claim 1, it is characterized in that: these grabs are one first grab and one second grab, this first grab is located at the lower end of plate open area, contiguous back, this second grab is located at the upper end of plate open area, contiguous back, and the base plate of this pressboard is held between this first and second grab slidably.

3. expansion card fixer as claimed in claim 2 is characterized in that: this first grab is provided with an approaching face.

4. expansion card fixer as claimed in claim 2 is characterized in that: this back plate also is provided with some the 3rd grabs in the adjacent openings place, offer some flutings of accommodating the 3rd grab on the base plate of this pressboard.

5. expansion card fixer as claimed in claim 4 is characterized in that: the some salient points that are provided with the displacement of restriction pressboard on this back plate away from this opening part.

6. expansion card fixer as claimed in claim 5 is characterized in that: this back plate is provided with some the 4th grabs in the salient point inboard, offer some flutings of accommodating the 4th grab on the base plate of this pressboard.

7. as claim 4 or 6 described expansion card fixers, it is characterized in that: these flutings are L shaped flutings.

8. expansion card fixer as claimed in claim 1 is characterized in that: the side plate of this pressboard is provided with some correspondences and compresses the shell fragment of expansion board folded angular surface in back plate tabs.

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