CN2681211Y

CN2681211Y - Expansion card fixing device

Info

Publication number: CN2681211Y
Application number: CN 200420014785
Authority: CN
Inventors: 荆效忠; 杨庆志
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: 2004-01-08
Filing date: 2004-01-08
Publication date: 2005-02-23
Anticipated expiration: 2014-01-08

Abstract

The utility model provides an expansion card fixing device, comprising a base, a plurality of barrier sheets that are used for fixing extension cards, a fixing bracket and a fixing piece. The base comprises a back plate which is provided with a fixing seat; the fixing bracket is fixed to the upper side of the fixing seat, and comprises a pair of guiding portions which are respectively provided with a limiting slot. The fixing piece is arranged between the two guiding portions in a sliding mode, and comprises a sliding body and two operating bodies which are fixed to the sliding body which is provided with two fastening bores. One end of the two operating bodies is corresponding to the two fastening bores and is respectively provided convexly with a fastening block, and the other end of the two operating bodies forms a locking portion. When the barrier sheets are abutted and supported at the fixing seat, and the barrier sheets are supported by the fixing piece, the two operating bodies are triggered to make the locking portion on the two operating bodies insert the corresponding limiting slot and make the fastening block fasten the corresponding fastening bore; therefore, the extension cards are fixed.

Description

Expansion card fixer

[technical field]

The utility model is about a kind of expansion card fixer, particularly fixes and dismantle the expansion card fixer of expansion board about a kind of convenience.

[technical background]

Before, fixedly the mode of expansion board had been directly to adopt screw to be fixed in the computer housing, and this fixed form is very inconvenient for the assembly and disassembly of expansion board.

In recent years, the stationary installation of multiple expansion board appears in industry, as United States Patent (USP) the 5th, 317, the expansion card fixer that is disclosed for No. 483, it adopts a press strip that the cutting of plurality of fixed at expansion board is fixed on the window-frame of computer base, it is when fixing these expansion boards, earlier that this press strip one end is movable device is on this expansion board window-frame, the other end of this press strip is overturn downwards, when this press strip is replaced these cutting, be fixed on this window-frame by the other end of a screw, thereby fix these expansion boards this press strip.And for example United States Patent (USP) the 5th, 936, the expansion card fixer that is disclosed for No. 835, it comprises a fixture, this fixture comprise a body with one from the vertical some buckling pieces that bend extension of this body, this body is offered a through hole, fixedly during expansion board, these buckling pieces can penetrate in the perforate of plate behind the corresponding computer, and against the cutting that is fixed on the expansion board, and at this moment, the body of this fixture is in the outside of this back plate, pass the through hole of this body and the screw of the back plate of correspondence by a screw, this fixture can be locked on this back plate, thereby realize fixing of expansion board.Though above-mentioned two kinds of expansion board fixed forms have made things convenient for the dismounting of expansion board significantly,, it also need realize the final fixing of expansion board by screw, therefore, the still more loaded down with trivial details inconvenience of the dismounting of expansion board.

[summary of the invention]

The purpose of this utility model is to provide a kind of convenience to fix and dismantle the expansion card fixer of expansion board.

Technical problem to be solved in the utility model is achieved through the following technical solutions: the utility model expansion card fixer comprises a pedestal, some catch, a fixed mount and fixtures that is used for fixing expansion board.This pedestal comprises a back plate, and this back plate is established a holder.This fixed mount is fixed on this holder top, and it comprises a pair of guide part, and this two guide part is offered a position-arresting groove respectively.This fixture is slidingly installed with between this two guide part, it comprises that a sliding body and two pivots are fixed on the operating body of this sliding body, this sliding body is offered two fastening holes, and this two operating body at one end to being convexly equipped with a binding block respectively by two fastening holes, then forms a clamping part at the other end.When these catch are resisted against this holder, when this fixture is replaced these catch, pull this two operating body, the clamping part on it is inserted in the corresponding position-arresting groove, and the binding block on it is buckled in the corresponding fastening hole, thereby fix these expansion boards.

Advantage of the present utility model is to be slidingly installed with the catch that compresses the plurality of fixed expansion board at the fixture of a fixed mount by one, and the rotation of two operating bodies by this fixture simultaneously fastens and realizes fixing of expansion board.

[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 fixture of the utility model expansion card fixer and the stereographic map of fixed mount.

Fig. 3 is the three-dimensional exploded view of the fixture of the utility model expansion card fixer.

Fig. 4 is the three-dimensional assembly diagram of Fig. 1.

Fig. 5 is the dismounting synoptic diagram of Fig. 4.

[embodiment]

Please refer to Fig. 1, the utility model expansion card fixer is to be used for some expansion boards 30 are fixed in the computer housing, and it comprises a pedestal 10, some catch 34, a fixed mount 40 and fixtures 50 that is used for fixing these expansion boards 30.

This pedestal 10 comprises a base plate (figure does not show), this base plate bends a header board 12, a back plate 14 and a biside plate 18 of extension vertically upward certainly.This back plate 14 inwardly dashes on top and establishes two grabs 142 that bend in the same way, offers a through hole 144 below this two grab 142 respectively.This back plate 14 is also fixed a holder 145 below these grabs 142 and through hole 144, this holder 145 comprises a vertical wall 146 and the folded walls 147 that is bent to form of these vertical wall 146 upper ends certainly.This vertical wall 146 is offered some parallel elongated slots 148 at interval, and these elongated slots 148 also extend to this folded walls 147.This base plate is fixed a mainboard 20, which is provided with the some slots 22 that are parallel to this side plate 18.

The shape of these catch 34 is corresponding with the elongated slot 148 of this holder 145, it comprises a body 36 and a kink 38 of the vertical bending of these body 36 1 ends certainly, these expansion boards 30 are separately fixed on the body 36 of these catch 24, and it establishes a Plug Division 32 to slot 22 that should mainboard 20.

Please continue with reference to Fig. 2 and Fig. 3, this fixed mount 40 comprise a main part 42 and certainly two relative edge's edge of this main part 42 be bent to form a pair of being " Contraband " shape guide part 44.This main part 42 near these two guide parts, 44 places to should pedestal the grab 142 and the through hole 144 of 10 back plates 14 offer a pair of fixed orifice 422 and a pair of through hole 424 respectively, dash between this two fixed orifice 422 and the through hole 424 and establish a stopper section 426, this stopper section 426 and 422 of this two fixed orifices are offered a vertical chute 428 respectively, and this chute 428 is outwards vertical bending extension one " U " shape flanging 429 at its edge.This two

guide part

44 and 42 of this main parts establish respectively one with the highly consistent connecting portion 45 of flanging 429 of this chute 428, this two guide part 44 is being established a shell fragment 442 respectively in close upper edge, the end of this two shell fragment 442 is established a location division 444 respectively.This two guide part 44 is being offered a position-arresting groove 446 near lower edge.

This fixture 50 is a plastic, and it comprises that a sliding body 52 and two pivots are fixed on the operating body 59 of this sliding body 52.This sliding body 52 is a ducted body, and it comprises integrally formed two side 53,54, end walls 56 and a diapire 58.This sidewall 53 outwards protrudes a pulling part 532 in the edge away from this diapire 58, protrudes out some stop parts 534 downwards in the edge that is connected with this diapire 58.54 pairs of this sidewalls should fixed mount 40 chute 428 outwards be convexly equipped with a pair of sliding part 542, to establishing one " L " shape stop block 544 in stopper section 426, and establish a back-up block 545 respectively in these stop block 544 both sides, chute 428 flangings 429 of the height of this back-up block 545 and this fixed mount 40 and the height of connecting portion 45 are consistent.This sidewall 54 is offered two fastening holes 546 in the edge away from this diapire 58, and this two side 53,54 is being offered an axis hole 548 respectively near these end walls 56 places.This end walls 56 is offered a groove 562 and a pilot hole 564 respectively corresponding to the position-arresting groove 446 of the guide part 44 of this fixed mount 40 and the location division 444 of shell fragment 442.58 pairs of this diapires should sidewall 53 stop part 534 positions establish plurality of elastic pressure section 582 to outwash.This two operating body 59 includes an arm 592 and the operating portion 594 that extends of this arm 592 certainly, this arm 592 outwards is being convexly equipped with two binding blocks 596 near these operating portion 594 1 ends to fastening hole 546 that should sidewall 54, then axis hole 548 that should two side 53,54 being offered an axis hole 597, one stationary shaft 60 at the other end passes these axis holes 548,597 successively and this two operating body 59 is fixed on this sliding body 52.The end of this arm 592 also forms a clamping part 598.

Please continue with reference to Fig. 4, during assembling, snap in the fixed orifice 422 of this fixed mount 40 earlier by the grab 142 of these pedestal 10 back plates 14, the through hole 424 of this fixed mount 40 is aimed at the through hole 144 of this back plate 14, passed these through holes 144,424 successively and this fixed mount 40 is fixed on this back plate 14 by two blind rivets (figure do not show).Elastic deformation by this fixture 50 makes during its end walls 56 packs this fixed mount 40 into along the guide part 44 of this fixed mount 40 then, and the sliding part 542 on it is entered in the chute 428 of this fixed mount 40, at this moment, the sidewall 54 of this sliding body 52 is resisted against on the flanging 429 and connecting portion 45 of this chute 428, and 545 of the back-up blocks of this sidewall 54 are resisted against the main part 42 of this fixed mount 40.

When these expansion boards 30 are installed, make this fixture 50 be positioned at the top of this fixed mount 40 earlier, the binding block 596 of this two operating body 59 breaks away from corresponding fastening hole 546, the location division 444 of this fixed mount 40 snaps in the pilot hole 564 of corresponding fixture 50, at this moment, this two operating body 59 is positioned at a primary importance.Insert respectively in the slot 22 of corresponding mainboard 20 in the Plug Division 322 that makes these expansion boards 30, and the body 36 of these catch 34 is positioned on the two vertical walls 146 of these back plate 14 holders 145, and blocking corresponding

elongated slot

148,38 of its kinks place on the folded walls 147 of this holder 145.The pulling part 532 of this fixture 50 of start, make this fixture 50 to lower slider, the pressure section 582 of the diapire 58 of this fixture 50 is resisted against on the kink 38 of this catch 34,534 of this stop parts are resisted against on the body 36 of these catch 34, at this moment, the coboundary of these fixture 50 grooves 562 is a little more than the coboundary of the position-arresting groove 446 of this guide part 44.Then, the operating portion 594 of pulling this two operating body 59 is rotated down it relatively, the clamping part 598 of this two arm 592 passes this groove 562 respectively and is resisted against the coboundary of this position-arresting groove 446, continue to be rotated down this two operating body 59, it will be that fulcrum continues to lower slider this fixture 50 with the coboundary of this position-arresting groove 446, and the pressure section 582 of this fixture 50 further compresses the kink 38 of these catch 34 owing to stress deformation.When the binding block 596 of this two operating body 59 is buckled in the fastening hole 546 of this fixture 50 respectively, this clamping part 598 passes this groove 562 and snaps in this position-arresting groove 446, at this moment, this two operating body 59 is positioned at a second place, this stop block 544 is buckled on this stopper section 426, thereby fixes these expansion boards 30.

Please continue with reference to Fig. 5, when dismantling these expansion boards 30, only need pull this two operating body 59 and make buckle piece 596 and corresponding fastening hole 546 disengagings on it, and the clamping part 598 of this two operating body 59 is broken away from the position-arresting groove 446 of this fixed mount 40, the pulling part 532 of this fixture 50 of start upwards then, this fixture 50 is upwards slided, when the location division 444 of the shell fragment 442 of this fixed mount 40 snaps in the pilot hole 564 of end wall 56 of corresponding fixture 50, this fixture 50 just is positioned at the top of this fixed mount 40, at this moment, just can change these expansion boards 30.

In addition, this fixed mount 40 also can be formed directly on this back plate 14, and in this case, this two guide part 44 is directly inwardly to be convexly equipped with on this back plate 14, this two chute 428 is formed on 44 of the guide parts of this back plate 14, and 426 of this stopper sections are formed on 428 of this two chutes.

Claims

1. expansion card fixer, be used for some expansion boards that are provided with catch are fixed in the computer housing, it comprises a back plate, this back plate is established a holder, it is characterized in that: this expansion card fixer also comprises a fixed mount and a fixture, this fixed mount is fixed on this plate holder top, back, establish a pair of guide part on it, this two guide part is offered a position-arresting groove respectively, this fixture is slidingly installed with between the guide part of this fixed mount, it comprises a sliding body and two operating bodies, this sliding body comprises a two side and a diapire, and the one sidewall is offered two fastening holes, and this two operating body pivots and is fixed between the two side of this sliding body, it be to should establishing a binding block respectively by fastening hole, and endways position-arresting groove that should fixed mount is formed a clamping part respectively.

2. expansion card fixer as claimed in claim 1, it is characterized in that: this fixed mount comprises a main part, this two guide part is bent to form from two relative edge's edge places of this main part respectively, this two guide part is being established a shell fragment respectively near its upper edge, and the end of this two shell fragment forms a location division respectively.

3. expansion card fixer as claimed in claim 2 is characterized in that: the main part of this fixed mount is offered two vertical chutes, and this fixture sidewall is convexly equipped with two sliding parts to two chutes that should fixed mount.

4. expansion card fixer as claimed in claim 2 is characterized in that: this fixture also comprises end walls, and this end walls is being offered a groove respectively near its lower edge.

5. expansion card fixer as claimed in claim 4 is characterized in that: the end walls of this fixture also above this groove the location division to shell fragment that should fixed mount offer a pilot hole respectively.

6. expansion card fixer as claimed in claim 1 is characterized in that: another sidewall of this sliding body edge place is above that established a pulling part, and protrudes out some stop parts downwards in its lower edge.

7. expansion card fixer as claimed in claim 1 is characterized in that: the two side of this sliding body is offered an axis hole respectively at its place, two ends.

8. expansion card fixer as claimed in claim 7 is characterized in that: this two operating body comprises an arm and the pulling part that extends of an end of this arm certainly respectively, and the binding block of this operating body is located at the end of this arm near this pulling part.

9. expansion card fixer as claimed in claim 1 is characterized in that: the diapire of this sliding body is provided with some pressure sections.

10. expansion card fixer as claimed in claim 3 is characterized in that: this fixed mount is convexly equipped with a stopper section between this two chute, and the sidewall of this fixture be to should establishing a stop block in the stopper section, and is convexly equipped with a back-up block respectively in these stop block both sides.