CN2580500Y

CN2580500Y - Extending card fixing device

Info

Publication number: CN2580500Y
Application number: CN 02248847
Authority: CN
Inventors: 林国治; 杜全光; 童利
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2002-10-21
Filing date: 2002-10-21
Publication date: 2003-10-15
Anticipated expiration: 2012-10-21

Abstract

The utility model relates to an extending card fixing device comprising a back plate, a fixed frame and a locked firmware. The back plate is provided with a couple of buckle bores and a folding plate which is used to support a holding plate of an extending card. The folding plate is provided with a fixing hole and the fixed frame comprises an anti-pressing board and a folding edge. The anti-pressing plate is provided with a fixing hole, and the folding edge is provided with a gap, a plurality of card bores and a couple of hooks which are matched with the buckled bores of the back plate. The locked firmware is provided with a plurality of card hooks, a salient post and an elastic plate. The card hooks are matched with the card bores of the fixed frame, and the salient post penetrates the fixing holes of the anti-pressing plate and the folding plate. The elastic plate of the locked firmware passes through the gap of the fixed frame and is abutted against the back plate. The anti-pressing plate of the fixed frame and the folding plate of the back plate clamp and fix the holding plate of the extending card. The extending card fixing device of the utility model has simple structure and no need to be locked and fixed by screws and realizes the free disassembly and assembly of an extending card.

Description

Expansion card fixer

[technical field]

The utility model relates to a kind of expansion card fixer that is applied in the computing machine, refers to a kind of simple in structure, expansion card fixer that can reach fast assembling-disassembling especially.

[technical background]

The function limitation of big Multi Computer for cooperating the more and more stronger functional requirement of computing machine now, strengthens its extra function just some are installed as expansion boards such as sound card, graphics acceleration cards in the configuration of motherboard itself on the expansion slot of motherboard.After expansion board is installed in the slot of computer main frame panel, in the process of mobile computer or computing machine when being subjected to accidental shock, expansion board can produce and come off, or the loosening slot that rocks motherboard of expansion board causes damage, for preventing this come off or loosening, need expansion board is fixedly secured in the slot of motherboard.

In the prior art, this expansion board one lateral margin is equipped with a roughly L-shaped retaining sheet, after expansion board inserts the motherboard slot, uses a plurality of screws that this retaining sheet is locked on the plate of back, to reach the purpose of secure expansion board.

But computing machine is being made, in the process of assembling and maintenance, all will related to the installation or removal of expansion board, and the tightening and unclamp screw and certainly will waste the plenty of time of repetition is even screw is lost and brought inconvenience.Also there is the no screw structural of use to fix expansion board in the prior art, as No. 01227393.7 disclosed a kind of stationary installation of Chinese patent application, this stationary installation has a cover plate and and fastens the unit, this cover plate is hubbed on the back plate by a rotating shaft, and this fastening unit is fastened on this cover plate on this backboard and makes the retaining sheet of this cover plate pressing expansion board.Yet, this stationary installation by cover plate, the cover plate that is pivoted rotating shaft on the plate in the back, fasten a plurality of independent members such as unit and form, make the cost of whole stationary installation higher, and each member is used in the fastening process, it is inharmonious easily to produce start, makes reliability of fixation not high.

[summary of the invention]

The purpose of this utility model provides a kind of fast demountable, with low cost and expansion card fixer that reliability is high.

The purpose of this utility model realizes by technical scheme once: the utility model expansion card fixer, it comprises a back plate, a fixed mount and a locking part.This back plate is provided with the tabs that a pair of button hole and is used to support the retaining sheet of this expansion board, and this tabs is provided with a fixed orifice; This fixed mount comprises that one compresses a plate and a flanging, and this compresses plate and is provided with a fixed orifice, and this flanging is provided with the clasp that a breach, a pair of hole clipping and button hole a pair of and this back plate cooperate; This locking part is provided with a projection and the shell fragment that a pair of grab, that cooperates with the hole clipping of this fixed mount passes this fixed orifice that compresses plate and tabs; The shell fragment of this locking part passes the breach of this fixed mount and is connected to this back plate, and the retaining sheet that the tabs that compresses plate and this back plate of this fixed mount is used this expansion board grips.

The advantage of the utility model expansion card fixer is: the utility model expansion card fixer adopts the elasticity of material itself to fix mode, need not use the screw locking, and the reliability height can be realized the quick assembling of expansion board.

[description of drawings]

In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.

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

Fig. 2 is the other direction view of the three-dimensional exploded view of the utility model expansion card fixer.

Fig. 3 is the view of apparatus of the locking part of the utility model expansion card fixer.

Fig. 4 is the three-dimensional combination figure of the utility model expansion card fixer.

Fig. 5 is the other direction view of the three-dimensional combination figure of the utility model expansion card fixer.

[embodiment]

Please refer to Fig. 1 and Fig. 2, the utility model expansion card fixer is used for the expansion board 50 that a plurality of edges are provided with L type retaining sheet 52 is fixed on the motherboard expansion slot (figure does not show) of a computer housing inside, and it comprises a fixed mount 10, a back plate 20 and a locking part 30.

This fixed mount 10 is one-body molded, and it comprises that one compresses plate 12 and and compresses the flanging 16 that plate 12 edge-perpendicular are extended from this.This compresses plate 12 middle parts and is provided with a hole 120.A breach 162 is offered at these flanging 16 middle parts, both ends dash and are provided with a pair of long clasp 168, this breach 162 near compressing lateral edges two ends of plate 12, respectively offer a hole clipping 164, offer two slits 166 near the two ends, opposite side edge relative of this breach 162 with it.

This back plate 20 offers a window 21, one edge of this window 21 extends one folding piece 22 to the casing external vertical, 22 pairs of this tabs should fixed mount 10 the hole that compresses plate 12 120 be provided with a hole 220, this tabs 22 is used for compressing the retaining sheet 52 that plate 12 grips this expansion board 50 with this.Clasp 168 that should fixed mount 10 is offered two button holes 26 near another opposite edges both ends of this window 21.These back plate 20 bottoms are provided with a plurality of slotted eyes (scheming not label), and these slotted eyes are used to allow retaining sheet 52 1 ends of above-mentioned expansion board 50 pass and then this end of retaining sheet 52 is fixed.

Please together referring to figs. 1 through Fig. 3, plastic material is one-body molded preferably by elasticity for this locking part 30, four

sidewalls

32,33,34,35 that it has a diapire 31 and extends along these diapire 31 edge-perpendicular, wherein this sidewall 32 extends a projection 322 downward vertically, this projection 322 can cooperate with the fixed orifice 220 of the flanging 22 of the fixed orifice 120 of this fixed mount 10 and this back plate 20, the edge of this sidewall 34 extends in parallel a pair of projection 342, and this can be stuck in the slit 166 of this fixed mount 10 to projection 342.One arcuation shell fragment 36 extends along extending to bend along the direction with these diapire 31 almost parallels with the direction of these sidewall 32 almost parallels earlier from this diapire 31 again, and these shell fragment 36 free ends finally point to this sidewall 34, and these shell fragment 36 free ends are provided with a step 362.To hole clipping 164 that should fixed mount 10, this locking part 30 also extends a pair of grab 38 from its diapire 31 in these shell fragment 36 both sides.

Please refer to Fig. 4 and Fig. 5, during assembling, earlier the clasp 168 at flanging 16 two ends of this fixed mount 10 is fastened the button hole 26 of this back plate 20, because this clasp 168 is longer, guaranteeing that this clasp 168 does not break away under the condition of this button hole 26, this fixed mount 10 can move a segment distance along these clasp 168 bearing of trends; Again this fixed mount 10 is moved a segment distance, the tabs 22 that compresses plate 12 and this back plate 20 of this fixed mount 10 is spaced a distance, the retaining sheet 52 of the expansion board 50 that desire is fixing places this tabs 22 and compresses between the plate 12, and slotted eye and then this end that these retaining sheet 52 1 ends insert these back plate 20 bottoms are fixed; This fixed mount 10 moves to this retaining sheet 52 then, the plate 12 that compresses until this fixed mount 10 is against on this retaining sheet 52, at this moment, this compresses the hole 220 of the fixed orifice 120 of plate 12 over against this tabs 22, the window 21 that 162 pairs of the breach of the flanging 16 of this fixed mount 10 should back plate 20; At last, with the projection 322 of this locking part 30 insert these over against fixed orifice 120,220, and push this locking part 30 to these back plate 20 directions, these grabs 38 are snapped in respectively in the hole clipping 164 of this fixed mount 10, these arcuation shell fragment 36 parts are passed the breach 162 of this fixed mount 10, step 362 elasticity of this shell fragment 36 are pressed on window 21 edges of this back plate 20, and simultaneously, the projection 342 of the sidewall 34 of this locking part 30 snaps in the slit 166 of this flanging 16.Rely on the elasticity of this shell fragment 36 to compress the power that compresses of this back plate 20, what this locking part 30 provided that a reacting force pushes this fixed mount 10 downwards compresses plate 12, so just the retaining sheet 52 of this expansion board 50 is clamped to this tabs 22 and this compresses between the plate 12.

When dismantling this expansion board 50, only need the grab 38 that cooperates with this fixed mount 10 with this locking part 30 of hand propelled, make it to break away from this fixed mount 10, promote this shell fragment 36 again, make it to break away from, can take off this locking part 30 like this with this back plate 20, keeping this clasp 168 not break away under the condition of button hole 26 of this back plate 20 then, move this fixed mount 10, the tabs 22 that compresses plate 12 and this back plate 20 of this fixed mount 10 is spaced a distance, can dismantle this expansion board 50 smoothly like this.

Claims

1. expansion card fixer, this expansion board is provided with a retaining sheet, this stationary installation comprises a back plate and a fixing-holding rack, this back plate is provided with the tabs of this retaining sheet of support, it is characterized in that: this tabs is provided with a fixed orifice, this back plate is provided with at least one pair of button hole, this fixed mount comprise one cooperate with this tabs compress a plate and a flanging that cooperates with this back plate, this compresses plate and is provided with a fixed orifice, this flanging is provided with at least one pair of hole clipping and clasp that at least one pair of cooperates with this back plate button hole, this expansion card fixer also comprises a locking part, and this locking part comprises a shell fragment, at least one pair of passes the projection that this compresses the fixed orifice of plate and tabs with the grab and that this flanging hole clipping cooperates; Wherein, this shell fragment is connected to this back plate, and this compresses elastic force that plate relies on this shell fragment the retaining sheet of this expansion board is pressed on the tabs of this back plate.

2. expansion card fixer as claimed in claim 1 is characterized in that: this back plate is provided with a window, and this flanging stretches out from this window one edge.

3. expansion card fixer as claimed in claim 2, its feature: this locking part comprises a diapire and four sidewalls, and this shell fragment extends near side-walls bending from this diapire, and another opposing sidewalls is pointed in this shell fragment end.

4. expansion card fixer as claimed in claim 3, its feature: the shell fragment end of this locking part is provided with a step, and this step elasticity is connected to another opposite edges of this window.

5. expansion card fixer as claimed in claim 3, its feature: the flanging of this fixed mount is provided with a pair of slit, the sidewall that is pointed to by this shell fragment of this locking part be provided with a pair of with this to slit cooperate outstanding.