CN2630916Y

CN2630916Y - Expanding card fixing device

Info

Publication number: CN2630916Y
Application number: CN 03225794
Authority: CN
Inventors: 陈允隆; 孙大龙
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: 2003-04-30
Filing date: 2003-04-30
Publication date: 2004-08-04
Anticipated expiration: 2013-04-30

Abstract

A device used to fix and hold an extension card includes a backboard, a press strip in pivoted connection with the backboard, a left fixation component and a right fixation component. The backboard includes an extension card seat with a right and a left opening arranged above the two sides thereof. The two end margins of the press strip separately extends a fixation tablet in the same vertical direction. The left and right fixation components are provided respectively punch-through the left and right openings of the backboard. The fixation components all include a pushing part with an anterior wall on one side thereof. The anterior wall extends an arc elastic tablet slantingly upwards to the pushing part. A step-shaped card button block is arranged on the end of the elastic tablet. A fixation wall with a host slot is provided between the left side of the left fixation component anterior wall and the pushing part. A fixation wall with a host slot is provided between the right side of the right fixation component anterior wall and the pushing part. The two fixation tablets are provided in intercalation in the left and right host slots of the fixation components correspondingly to connect the left and right components with the press strip. After assembly the two step-shaped card button blocks are fixed on the upper edges of the backboard left and right openings so that the extension card is pressingly fixed by the press strip.

Description

Holding device for expansion card

[technical field]

The utility model relates to a kind of holding device for expansion card, refers to that especially a kind of stable fixing expands the holding unit that snaps on the expansion board seat.

[technical background]

The function limitation of most of personal computers, is installed some and is strengthened its extra function as expansion boards such as sound card, graphics acceleration cards for cooperating the more and more stronger functional requirement of present computing machine 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 mobile computer process or computing machine when being subjected to accidental shock, expansion board can produce and come off, perhaps the loosening slot that rocks motherboard of expansion board causes damage, for preventing this coming off or loosening rocking, need expansion board is fixedly secured in the slot of motherboard.

Announce the 5th, 317 as United States Patent (USP), the expansion board holding structure shown in No. 483 adopts a press strip, a screw fit that some expansion boards are fixed on the computer base.The movable device of this press strip one end is on this expansion board window-frame, and the other end is installed a screw, and this expansion board window-frame is provided with a screw to screw place that should press strip, is compressed on these by this press strip and transplants a cutting and go up the fixing expansion board.Yet this holding structure need be twisted solid with screw, and freedom one end that need control this press strip when the mounting or dismounting expansion board simultaneously is in above this expansion board window-frame it at an angle, and the loaded down with trivial details inconvenience of mounting or dismounting expansion board has reduced work efficiency.

United States Patent (USP) announces the 5th, 936 for another example, and the expansion board holding structure shown in No. 835 adopts a pressing structure and some cutting to cooperate some expansion boards are fixed on the computer base.This pressing structure one end extends some clamping structures cutting is compressed on the expansion board holder, the other end is extended with a locking plate, this computer base is provided with a screw, and clamping structure is compressed in the cutting, and locking plate is promptly realized fixing on computer base by screw locking.Yet this holding structure still needs to twist with screw solid, and pressing structure integral body must be moved out from this computer base during the mounting or dismounting expansion board, installs and removes loaded down with trivial details inconvenience, has reduced work efficiency.

[summary of the invention]

Technical problem to be solved in the utility model is to overcome existing expansion board holding structure to install and remove the problem of loaded down with trivial details inconvenience, and then a kind of convenience and the fixing holding device for expansion card of expansion board on the expansion board socket stably are provided.

Technical problem to be solved in the utility model solves by the following technical programs: a kind of holding device for expansion card, being used for fixing expands on the expansion deck snap into the back plate, and it comprises that a back plate, is articulated in press strip, a left retaining piece and a right retaining piece of this back plate.This back plate comprises that one is connected the expansion deck of one end, and this back plate is offered a left opening and a right opening above these expansion deck two ends.This press strip is articulated in this expansion deck top, and this press strip two ends edge vertically extends a retaining sheet respectively in the same way.This left side retaining piece is located in the left opening of this back plate, this right side retaining piece is located in the right opening of this back plate, this left side retaining piece and right retaining piece include a pushing portion, this pushing portion one side has an antetheca that is parallel to pushing portion, this antetheca extends the flexure strip of an arc obliquely to this pushing portion, and this flexure strip end is provided with a step buckle piece.Establish a fixing wall between the antetheca left end of this left side retaining piece and the pushing portion, establish the connecting wall that a lower limb is arch between its antetheca right-hand member and pushing portion, contiguous this antetheca place of this fixing wall is provided with an accepting groove to a retaining sheet that should press strip.Establish the connecting wall that a lower limb is arch between the antetheca left end of this right side retaining piece and the pushing portion, establish a fixing wall between its antetheca right-hand member and pushing portion, contiguous this antetheca place of this fixing wall is provided with an accepting groove to another retaining sheet that should press strip.This two retaining sheets corresponding inserted makes left and right retaining piece be connected with press strip in the accepting groove of this left side retaining piece and right retaining piece, and this two steps buckle piece fixes coboundary at the left and right opening of this back plate and this press strip withheld fix this expansion board after the assembling.

The utility model holding device for expansion card has following beneficial effect: utilize the retaining piece on the retaining sheet that is plugged on this press strip, fixedly the expansion board press section that only need push this left and right retaining piece coboundary that this step buckle piece is fixed at the left and right opening of this back plate gets final product, the flexure strip that the removal expansion board only need be pushed this left and right retaining piece gets final product, mounting or dismounting must not lock and pine is unloaded screw, and are simple to operation; This flexure strip can increase the press force of press strip to expansion board simultaneously, and the fixing expansion board is more solid and reliable.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model holding device for expansion card.

Fig. 2 is the stereographic map of the press strip of the utility model holding device for expansion card.

Fig. 3 is the stereographic map of the right retaining piece of the utility model holding device for expansion card.

Fig. 4 is the stereographic map of the right retaining piece other direction of the utility model holding device for expansion card.

Fig. 5 is the utility model holding device for expansion card assembling process figure.

Fig. 6 is the utility model holding device for expansion card three-dimensional combination figure.

[embodiment]

See also Fig. 1 to Fig. 4, a kind of holding device for expansion card comprises a back plate 10, a stator 30, a press strip 50, one left retaining piece 70 and a right retaining piece 90, can fix some expansion boards 100 on this back plate 10.

One end of this back plate 10 vertically dashes to a side and sets out an expansion deck 12.The panel equalization of this expansion deck 12 is offered some expansion card slots 14, and these expansion card slots 14 form a grizzly bar 16 between any two, and corresponding respectively dashing established a jack 18 and plugged expansion board 100 to accommodate under these expansion card slots 14.The panel of this expansion deck 12 is convexly equipped with the projection 20 of vertical distribution about in the of two away from outward flange one end, and is corresponding with it, and contiguous these two projections, 20 places are towards being provided with two finger-like clasps 22 on this back plate 10.This back plate 10 is offered a L shaped left opening 24 and a L shaped right opening 25 respectively axisymmetrically and is used for respectively accommodating and wears left retaining piece 70 and right retaining piece 90 above these expansion deck 12 two ends.Corresponding these expansion card slots 14 of the end face of this expansion deck 12 dash and are provided with some lugs 21 and some projections 23, and this lug 21 and projection 23 are in vertical distribution.On the pressure holding sheet 102 of the cutting of this expansion board 100 respectively to should lug 21 and projection 23 offer breach 104 and 106, when loading onto expansion board 100 breach 104,106 be stuck on this lug 21 and the projection 23 and make this expansion board in front and back and left and right directions can not produce mobile.This back plate 10 vertically bends to these expansion deck 12 the same sides at its outward flange and extends a flanging 26, these expansion deck 12 end faces extend to this flanging 26 and are close to this flanging 26 and bend vertically upward and extend a fixed edge 27, and first pivoted hole 28 that runs through this flanging 26 and fixed edge 27 is offered in these fixed edge 27 bottoms in abutting connection with these expansion deck 12 end face places.

This stator 30 is fixed on these fixed edge 27 relative ends on this back plate 10, and it has a substrate 32.These substrate 32 tops offer second pivoted hole 34 of corresponding first pivoted hole 28, and these substrate 32 1 lateral margins vertically bend and extend a buckling piece 36, offer the perforate 38 that two correspondences are accommodated 12 liang of projections 20 of this expansion deck on this buckling piece 36.These substrate 32 another lateral margins are oppositely held sheet 40 at these buckling piece 36 vertical buttons that extend, and this button is held and offered two breach 42 that two correspondences are buckled in 10 liang of finger-like clasps 22 of this back plate on the sheet 40.

This press strip 50 is articulated in this back plate 10 and expands decks 12 tops, and two ends respectively are provided with a pivotal axis 52, and corresponding inserted is in second pivoted hole 34 of first pivoted hole 28 of these back plate 10 flangings 26 and this stator 30 substrates 32 respectively.These press strip 50 two ends edge vertically extend a retaining sheet 54 respectively in the same way, and each retaining sheet 54 middle part is provided with a hook 55.On this press strip 50 between two retaining sheets 54 to some expansion card slots 14 that should expansion board seat 12 all apart from being provided with some pressure holding sheets 56.These two pivotal axis, 52 relative ends vertically bend to extend after a bit of distance to these pivotal axis 52 directions are vertical again and extend and form on this press strip 50, and it offers the intensity that a breach 57 is used for strengthening this press strip 50 to some expansion card slots 14 that should expansion board seat 12.The lower edge at each breach 57 place is respectively to should all extending some pieces 58 of withholding by some expansion card slots 14 under oblique.

This right side retaining piece 90 is located in the right opening 25 of this back plate 10, it comprises that one is flat pushing portion 91, these pushing portion 91 1 sidewalls have a concave surface portion 92 that is beneficial to finger presses, and its opposite side has an antetheca 95 that is parallel to this pushing portion 91 and keeps at a certain distance away.This antetheca 95 extends the flexure strip 96 of an arc obliquely to this pushing portion 91, and these flexure strip 96 ends are provided with a step buckle piece 97., be provided with a lower limb between these antetheca 95 left ends and the pushing portion 91 and be the connecting wall 93 of arch and be connected to these pushing portion 91 directions from this antetheca 95, these antetheca 95 right-hand members are established a fixing wall 99 with 91 in pushing portion and are connected.This fixing wall 99 contiguous these antetheca 95 places are provided with an accepting groove 98 to retaining sheet 54 that should press strip 50.Also leave fixed edge 94 around this two side 93,99.These retaining sheet 54 corresponding inserted make retaining sheet 54 be connected with press strip 50 in this accepting groove 98, and it is tightr that these hook 55 its frictions with this accepting groove 98 of increase are connected both.

This left side retaining piece 70 is located in the left opening 24 of this back plate 10, itself and right retaining piece 90 be structure axisymmetricly, and promptly it also comprises a pushing portion 72, a concave surface portion (figure does not show), an antetheca 80, a flexure strip 82, a step buckle piece 84, a fixing wall (figure does not show), a connecting wall 99, fixed edge 78 and an accepting groove (figure does not show).Left side retaining piece 70 and right retaining piece 90 differences are: to these pushing portion 72 directions, this connecting wall 99 is arch from this antetheca 80.This accepting groove is opened in contiguous these antetheca 80 places of this fixing wall.

During assembling, see also Fig. 5 to Fig. 6, two breach 42 that the button of this stator 30 is held sheet 40 are snapped into two finger-like clasps 22 of this back plate 10, to the buckling piece 36 that these back plate 10 directions push this stator 30 two projections, 38 correspondences of this expansion deck 12 are protruded in two perforates 38 of this expansion deck 12, thereby this stator 30 is stably fixed on this back plate 10.The pivotal axis 52 of these press strip 50 1 ends is plugged in this first pivoted hole 28, rotate the other end of this press strip 50, after these press strip 50 elastic deformation total lengths shorten another pivotal axis 52 is plugged in second pivoted hole 34 of this stator 30, this press strip 50 recovers firmly to be articulated in 28,34 of this two pivoted holes after the length.With plate 10 upsets backward of this press strip 50, make this two retaining sheet 54 pass and extend the outside of back plate 10, the accepting groove 98 of the accepting groove of left retaining piece 70 and right retaining piece 90 is aligned this two retaining sheet 54 respectively and push and stable left and right retaining

piece

70,90 and the press strip 50 of connecting from the left opening 24 of this back plate 10 and right opening 25.Expansion board 100 is plugged on the jack 18 that expands deck 12 and this two breach 104,106 is buckled in respectively on the lug 21, projection 23 of this expansion deck 12.This two pushings portion 72 is pushed in plate 10 inboards backward then, 91 make this press strip 50 and a left side, right retaining

piece

70,90 rotations together, until this two flexure strip 82,96

step buckle piece

84,97 fix the coboundary at this left side opening 24 and right opening 25, thereby avoid left retaining piece 70 and right retaining piece 90 to be hit and unclamp, this moment, the pressure holding sheet 56 of this press strip 50 was withheld the press strip on these expansion board 100 tops, this is withheld piece 58 and withholds in 100 cutting of this expansion board, fixed edge 78 that simultaneously should left side retaining piece 70 fixes at the edge of this left side opening 24 and fixed edge 94 that should right side retaining piece 90 also fixes at the edge of this right side opening 25 and makes this two pushings portion 72 and 91 be fixed on this back plate 10 outsides, thereby avoids left retaining piece 70 and right retaining piece 90 plate 10 inboard upsets backward.If will dismantle this expansion board 100, can push this flexure strip 82 and 96 downwards this

step buckle piece

84 and 97 is deviate from from the coboundary of this left side opening 24 and right opening 25, overturn and can take out expansion board 100 behind this press strip 50 in plate 10 outsides backward then.

In the above-mentioned embodiment, also can be directly one fixed head with pivoted hole upwards vertically be set respectively from this expansion deck both end sides, this pivotal axis is installed in this two pivoted hole, thereby can correspondingly save stator 30 in the above-mentioned embodiment, flanging 26, fixed edge 27, projection 20, finger-like clasp 22 etc.Assembling process is identical with above-mentioned embodiment generally.

In the above-mentioned embodiment, this left side retaining piece 70 and right retaining piece 90 can be made same shape structure.Fixing wall that for example will this left and right retaining piece is located at the middle part of this right side retaining piece, wears for this two retaining piece and gets final product and make left and right opening into T shape opening.Assembling process is identical with above-mentioned embodiment generally.

Claims

1. holding device for expansion card, comprise that one connects the back plate that expands deck, one is articulated in the press strip of this expansion deck top, it is characterized in that: this press strip two ends edge vertically extends a retaining sheet respectively in the same way, this holding device for expansion card also comprises a right retaining piece and a left retaining piece, this back plate is offered a left opening and a right opening above these expansion deck two ends, this left side, right retaining piece is located in this left side respectively, right opening and all have a pushing portion, this left side, pushing portion one side of right retaining sheet has an antetheca that is parallel to this pushing portion and keeps at a certain distance away, this antetheca extends a flexure strip obliquely to this pushing portion, this flexure strip end is provided with a step buckle piece that fixes at this right side opening coboundary, establish a fixing wall between this antetheca and the pushing portion, which is provided with one and supply the accepting groove of the retaining sheet insertion of this press strip, this left side, right retaining sheet is plugged on respectively on this two retaining sheet.

2. holding device for expansion card as claimed in claim 1, it is characterized in that: this left side retaining piece and this right side retaining piece be structure axisymmetricly, from this antetheca to this pushing portion direction, the fixing wall of this left side retaining piece is located between this antetheca left end and the pushing portion, the fixing wall of this right side retaining piece is located between this antetheca right-hand member and the pushing portion, all L-shaped and distribution axisymmetricly of this left side opening and right opening.

3. holding device for expansion card as claimed in claim 1 is characterized in that: this left side retaining piece is identical with this right side retaining piece, and the fixing wall is located at the middle part of retaining piece, the T shape opening of this left and right opening for supplying this two retaining piece to wear.

4. as claim 2 or 3 described holding device for expansion card, it is characterized in that: these press strip two ends respectively are provided with a pivotal axis.

5. holding device for expansion card as claimed in claim 4 is characterized in that: each retaining sheet middle part is equipped with a hook, and this hook increases to rub between the two when retaining sheet inserts the accepting groove of this left and right retaining piece makes both connections tightr.

6. holding device for expansion card as claimed in claim 5, it is characterized in that: this press strip forms to vertical extension of this pivotal axis direction after the relative end of this two pivotal axis vertically bends a bit of distance of extension again, it offers the breach of this press strip intensity of some enhancings, this expansion deck is all apart from offering some expansion card slots, this press strip between two retaining sheets to should some expansion card slots all apart from being provided with some pressure holding sheets, the corresponding expansion card slot of these breach is offered, and this press strip all extends some pieces of withholding in the lower edge of these breach under oblique.

7. holding device for expansion card as claimed in claim 6 is characterized in that: the pushing portion of this left and right retaining piece leaves the fixed edge of fixing at the edge of this left and right opening around this sidewall.

8. holding device for expansion card as claimed in claim 7, it is characterized in that: this back plate outward flange extends a flanging to this expansion deck the same side, be close to this flanging after the end face of this expansion deck forward extends and bend extension one fixed edge vertically upward, this fixed edge bottom runs through this flanging and fixed edge is offered one first pivoted hole, this holding device for expansion card comprises that further one is fixed on the stator of the relative end of this fixed edge on this back plate, offer second pivoted hole of relative this first pivoted hole on this stator, two pivotal axis of this press strip are articulated in this first pivoted hole and second pivoted hole respectively.

9. holding device for expansion card as claimed in claim 8, it is characterized in that: this expansion board seat surface plate is convexly equipped with some projections at the relative end of this fixed edge, contiguous this some projections place is provided with some finger-like clasps on this back plate, this stator comprises a substrate, this second pivoted hole is fastened on this substrate top, a lateral margin vertically bends and extends a buckling piece on this substrate, offer correspondence on this buckling piece and accommodate the plurality of opening of the some projections of this expansion deck, another lateral margin reverse vertical of this substrate is extended a button and is held sheet, and this button is held and offered some breach that correspondence is buckled in the some finger-like clasps of this back plate on the sheet.

10. holding device for expansion card as claimed in claim 7 is characterized in that: this expansion deck both end sides upwards vertically is provided with a fixed head respectively, and this fixed head has a pivoted hole that can articulate this pivotal axis.