Expansion card baffle fixing and have the computer housing of this device
Technical field
The invention relates to a kind of expansion card baffle fixing and a kind of computer housing with this expansion card baffle fixing.
Background technology
Existing computer often need to carry out exchanges data with external unit, and it is connected with external unit by the expansion board that is connected on the computer main board usually.Expansion board is installed on the slot of computer main board, in the process of removable computer or computer when being subject to accidental shock, expansion board can become flexible and rock even come off, and easily expansion board and host slot is caused damage, for preventing this from occurring, need expansion board is firmly secured to computer housing.
In the prior art, expansion board comprises a plate body that links to each other with mainboard and a baffle plate with interfaces for external devices, and this baffle plate is roughly L-shaped, after expansion board inserts host slot, use some screws that this Fender lock is fixed in plate behind the computer housing, thereby realize fixedly securing the purpose of expansion board.Yet this expansion card baffle fixed form must be used the lock members such as screw, mounts and dismounts loaded down with trivial detailsly, wastes time and energy.
Summary of the invention
In view of more than, be necessary to provide expansion card baffle fixing a kind of simple in structure, convenient to operation and have the computer housing of this device.
A kind of expansion card baffle fixing, comprise that one can be installed in the holder of a case backboard, one pivots and is installed in the fastener of this holder along the pivot operating parts and be installed in this holder of a pivot axial line, this operating parts comprises the piece of supporting at a pulling part and at least one and this pulling part interval, but this fastener comprises buckle and at least one groove of a holding one expansion card baffle, this is supported piece and partly is contained in rotationally this groove, rotate the pulling part of this operating parts, this supports the sidewall that piece can be supported this groove, and then promote this fastener and rotate, when this fastener turned to this this expansion card baffle of buckle holding, this supported the contact site of piece and this sidewall to vertical this sidewall of vertical join line of this pivot axial line.
A kind of computer housing, comprise that a rear plate and is installed in the expansion card baffle fixing of this rear plate, this expansion card baffle fixing is used for an expansion card baffle is locked in this rear plate, it comprises that one is installed in the holder of this rear plate, one pivots and is installed in the fastener of this holder along the pivot operating parts and be installed in this holder of a pivot axial line, this operating parts comprise a pulling part and one and this pulling part interval support piece, but this fastener comprises buckle and a protuberance of this expansion card baffle of holding, this protuberance is provided with a groove, this is supported piece and partly is contained in rotationally this groove, rotate the pulling part of this operating parts, this supports the turning that piece can be supported contiguous this buckle of opening of the sidewall of this groove and this groove, and then promote this fastener and rotate, when this fastener turns to this this expansion card baffle of buckle holding, this is supported piece and is resisted against the interior sidewall away from this buckle of this groove, and this supports piece and this contact site away from the sidewall of buckle arrives the vertical join line of this pivot axial line perpendicular to this sidewall away from buckle.
Compare prior art, above-mentioned expansion card baffle fixing and computer housing, by rotating operation spare fastener is rotated, when fastener turns to the holding expansion card baffle, the contact site of a sidewall of supporting piece and this groove of operating parts arrives the vertical join line of this pivot axial line perpendicular to this sidewall, thereby make this sidewall act on the pivot axial line that this direction of supporting the power of piece is pointed to this this operating parts, this is supported piece and can not rotate, thereby realize the self-locking of this fastener and this operating parts, it is simple in structure, and is easy to operate.
Description of drawings
Fig. 1 is the three-dimensional exploded view of expansion card baffle fixing preferred embodiments of the present invention and case backboard and expansion card baffle.
Fig. 2 is the three-dimensional assembly diagram of Fig. 1, and wherein this expansion card baffle fixing is with the expansion card baffle release.
Fig. 3 is the cut-open view of expansion card baffle fixing preferred embodiments of the present invention under the released state of Fig. 2.
Fig. 4 is the three-dimensional assembly diagram of Fig. 1, and wherein this expansion card baffle fixing locks expansion card baffle.
Fig. 5 is the cut-open view of expansion card baffle fixing preferred embodiments of the present invention under the locking condition of Fig. 4.
Embodiment
Please refer to Fig. 1, be the preferred embodiments of expansion card baffle fixing of the present invention, be fixed in the rear plate 20 of a computer housing for the baffle plate 10 that will be connected in an expansion board (not shown) one end.This expansion card baffle fixing comprises a holder 30, an operating parts 40 and a fastener 50.
The baffle plate 10 of this expansion board is roughly L-shaped, and it comprises the kink 14 that a connecting portion 12 and that is connected in expansion board is bent to form by the top of this connecting portion 12.
Should be provided with some fluting (not shown) by rear plate 20.Should be provided with a supporting part 21 in the top of these flutings outward by rear plate 20, plate 20 forms an installment area 23 after this in the top of this supporting part 21.
This holder 30 comprises a fixed head 31 and the fixed arm that is oppositely arranged 33 at two intervals that vertically extended by a side of this fixed head 31.Each fixed arm 33 is provided with one first pivoting hole 331 and one second pivoting hole 334 separately.Each fixed arm 33 is provided with two gathering sills 336 towards a side of the arm 33 that is relatively fixed, and described two gathering sills 336 are extended to respectively the first pivoting hole 331 and second pivoting hole 334 of this fixed arm 33 by the edge of this fixed arm 33.
This operating parts 40 comprises a pulling part 41.The middle part of one end of this pulling part 41 tilts to extend a junction 43.What the limit, two opposite sides away from an end of this pulling part 41 of this connecting portion 43 extended outward respectively a wedge shape supports piece 45, wherein each wedge shape supports the most advanced and sophisticated curved of piece 45 and towards this pulling part 41, and forms a gap 46 between the tip of supporting piece 45 of each wedge shape and this pulling part 41.Each sidewall away from this connecting portion 43 of supporting piece 45 extends outward one first pivotal axis 47 in the end away from this pulling part 41, and the line in the axle center of described two first pivotal axis 47 is the pivot axial line of this operating parts 40.
Please in the lump with reference to Fig. 3 and Fig. 5, this fastener 50 comprise the pivot part that is oppositely arranged 51, at two intervals be connected in the connecting portion 53 of one first relative side 531 of having of described two pivot parts, 51 same ends and one second side 533, respectively by two protuberances 513 of extended the first side 531 that protrudes from this connecting portion 53 of described two pivot parts 51 and by the buckle 55 of this connecting portion 53 away from one " L " shape of extended the second side 533 that protrudes from this connecting portion 53 of an end of pivot part 51.Each pivot part 51 a dorsad side direction of the pivot part 51 relative with it is convexly equipped with one second pivotal axis 512 outward.Each protuberance 513 is provided with an inclined-plane 511 that favours the first side 531 of this connecting portion 53, this inclined-plane 511 is provided with a groove 514, one sidewall of this buckle 55 of vicinity in this groove 514 forms an arc turning 515 in opening part and this inclined-plane 511 of this groove 514, and the sidewall away from this buckle 55 in this groove 514 forms one and supports wall 516.This buckle 55 comprise a pressure section 551 and that the second side 533 by this connecting portion 53 vertically extends perpendicular to this pressure section 551 to the clamping part 554 that extends away from the direction of this connecting portion 53.
Please refer to Fig. 1 to Fig. 3, during assembling, with the fixed head 31 of holder 30 by pasting or the fixed form commonly used such as lock screw is installed in the installment area 23 of the rear plate 20 of this computer housing, make this holder 30 be positioned at a fluting directly over.Outwards pull two fixed arms 33 of this holder 30, two first pivotal axis 47 that make this operating parts 40 insert described two first pivoting holes 331 respectively after two gathering sills 336 of the first pivoting hole 331 correspondences of described two fixed arms 33 slide.Two pivot parts 51 of this fastener 50 and teat 513 are inserted respectively rotationally the gap 46 between jacking block 45 and this pulling part 41 of balancing or cancel each other of this operating parts 40, outwards pull two fixed arms 33 of this holder 30, two second pivotal axis 512 that make this fastener 50 insert described two second pivoting holes 334 respectively after two gathering sills 336 of the second pivoting hole 334 correspondences of described two fixed arms 33 slide, the tip of the jacking block 45 that balances or cancel each other of this operating parts 40 is contained in respectively the groove 514 of two pivot parts 51 of this fastener 50.Thereby this operating parts 40 is connected in this holder 30 rotationally with this fastener 50, and this expansion card baffle fixing assembling is finished.
Please continue with reference to Fig. 4 to Fig. 5, in the time of fixing the baffle plate 10 of this expansion board, this expansion board is installed in (not shown) in this computer housing.The baffle plate 10 of this expansion board is installed in the rear plate 20 of this computer housing, makes the connecting portion 12 of this baffle plate 10 block fluting under this expansion card baffle fixing, and the kink 14 of this baffle plate 10 is placed in the supporting part 21 of plate 20 after this.Rotate the pulling part 41 of this operating parts 40 to these rear plate 20 directions, the tip of the jacking block 45 that balances or cancel each other of this operating parts 40 is respectively in the groove 514 interior rotations of two pivot parts 51 of this fastener 50 and support the corresponding wall 516 of supporting, rotate around the second pivotal axis 512 thereby promote this fastener 50, the connecting portion 53 of this fastener 50 and buckle 55 turn to this rear plate 20 away from this operating parts 40.When this operating parts 40 turns to pulling part 41 and supports the fixed head 31 of this holder 30, what the described jacking block 45 that balances or cancel each other was vertically supported respectively described two pivot parts 51 supports wall 516, the pressure section 551 of the buckle 55 of this fastener 50 presses on the kink 14 of this baffle plate 10, clamping part 554 is placed in the connecting portion 12 of this baffle plate 10, thereby this baffle plate 10 is locked.At this moment, decontrol this pulling part 41, because what the described jacking block 45 that balances or cancel each other was vertically supported respectively described two pivot parts 51 supports wall 516, wall 516 is supported perpendicular to described two pivot parts 51 respectively to the vertical join line of the pivot axial line of this operating parts 40 in the tip that correspondence supports wall 516 of being resisted against that is the described jacking block 45 that balances or cancel each other, the direction that the described roof 516 that balances or cancel each other acts on respectively the power of the described jacking block 45 that balances or cancel each other is pointed to the pivot axial line of this this operating parts 40, the described jacking block 45 that balances or cancel each other can not rotate, thereby this fastener 50 is in self-locking state with this operating parts 40.
Please referring again to Fig. 2 and Fig. 3, when wanting the baffle plate 10 of this expansion board of release, to the pulling part 41 that rotates this operating parts 40 away from the direction of plate 20 after this, the arc turning 515 that the jacking block 45 that balances or cancel each other of this operating parts 40 rotates and promotes respectively two pivot parts 51 of this fastener 50, the connecting portion 53 of this fastener 50 and buckle 55 rotate towards this operating parts 40 away from this baffle plate 10, and this baffle plate 10 is unlocked.Be rotated further this pulling part 41, the tip of the jacking block 45 that balances or cancel each other of this operating parts 40 be contained in respectively this fastener 50 two pivot parts 51 groove 514 and support the sidewall at the corresponding arc of the adjacency turning 515 of described two grooves 514, make this fastener 50 continue to rotate to the direction away from this baffle plate 10, thereby make things convenient for this baffle plate 10 to take out.