TWI391078B - Mounting apparatus for board card - Google Patents

Description

Board fixture

The invention relates to a card fixing device.

Whether it is a personal computer or a server, there are boards that can be adjusted or expanded by the user to expand the computer function. Nowadays, the screws are used to fix the board in the chassis, which is time-consuming and labor-intensive, and requires auxiliary tools. For the workers on the production line, the fixing method is low, and the production space is limited. Not easy for the operator to operate.

In view of the above, it is necessary to provide a device that is simple in structure and that facilitates quick fixing of the board.

A card fixing device for fixing a card in a chassis, comprising a movable member fixed with a card, the movable member comprising a plate body, at least one protruding column protruding from the plate body, the card fixing device further The control device includes a fixing frame fixed in the casing and a buckle body elastically slidingly mounted on the fixing frame, and the fixing frame is provided with at least one protrusion corresponding to at least one of the protrusions a hole, the buckle body is provided with at least one limiting hole corresponding to the at least one engaging hole, and one side of the limiting hole protrudes into the limiting hole, and the buckle body is opposite to the fixing body The sliding of the frame can align or align the engaging hole with the resisting block. When the card is installed, the protruding post of the movable member pushes against the resisting block of the limiting hole, so that the engaging hole is staggered from the resisting block. The protruding rod slides into the engaging hole and the limiting hole, and then the buckle body elastically recovers, and the protruding post is restrained in the engaging hole by the resisting block to fix the card.

Compared with the prior art, the card fixing device fixes the card to the movable member, and the protruding post of the movable member is engaged or disengaged from the engaging hole of the fixing frame, thereby quickly fixing the card. In the chassis.

Referring to FIG. 1, a preferred embodiment of the card securing device of the present invention can quickly mount the card 10 within the chassis 60 (see FIG. 6) and can be quickly removed from the chassis 60. The preferred embodiment of the card securing device includes a movable member 30 and a control member 50.

A through hole 12 is defined in each of the opposite side ends of the card 10 adjacent to the end edge, and a connector (not labeled) is provided at the end of the card 10.

Referring to FIG. 2, the movable member 30 includes a plate body 32. The two sides of the plate body 32 are respectively provided with a fixing hole 320 corresponding to the through hole 12 of the card card 10. The bottom surface of the plate body 32 is provided with two spaced protrusions 322 side by side.

The control member 50 includes a fixing frame 52 fixed to the chassis 60, a spring 55 and a latching body 56. The holder 52 includes a strip-shaped body 53 having a substantially "ㄇ" shape in cross section and two fixing pieces 54. The main body 53 includes two opposite side plates 530 and a top plate 531 connecting the top end edges of the two side plates 530. The two fixing pieces 54 respectively extend perpendicularly outward from the side edges of the corresponding side plates 530 away from the top plate 531. The fixing frame 52 includes a first end and a second end opposite to the first end. Each of the fixing pieces 54 is respectively provided with a square through hole 540 extending to the corresponding side plate 530 adjacent to the first end and the intermediate portion of the fixing frame 52. Each of the fixing pieces 54 is provided with a boss having a through hole 542 in the middle near the second end of the fixing frame 52. Each of the side plates 530 is respectively provided with a stepped sliding hole 532 extending toward the second end adjacent to the first end and the intermediate portion, wherein a resisting portion 538 is formed in a middle portion of the two sliding holes 532 adjacent to the second end of the fixing frame 52. Each of the sliding holes 532 communicates with the corresponding through hole 540, and a support piece 533 extends perpendicularly to the outside of the main body 53 at a portion away from the parallel top plate 531. The side plate 530 is respectively provided with a guiding opening 534 extending through the top end of the sliding hole 532. An engaging hole 535 is defined in each of the guiding holes 534 of the top plate 531. The engaging hole 535 gradually contracts from the one end of the guiding opening 534 toward the opposite side plate 530 to form an arc-shaped engaging portion 537. The top plate 531 is disposed between the two engaging holes 535 and adjacent to the first end of the fixing frame 52. The square hole 356 is bent in the main body 53 at an edge away from the first end of the fixing frame 52. A flap 357 of the side panel 530. The buckle body 56 is substantially a square elongated body, and an operation portion 561 is provided at one end thereof. The catch member 56 includes a top surface 560 and two opposite side surfaces 562 that are adjacent to the top surface 560. The top surface 560 is provided with two engaging holes 535 corresponding to the fixing frame 52 respectively corresponding to the substantially R-shaped limiting holes 564. Each of the limiting holes 564 includes a guiding portion 563 extending through one of the side surfaces 562. And a "C" shaped limiting portion 567 which is gradually contracted from the guiding portion 563, so that a bent resisting block 568 is formed between the limiting portion 567 and the guiding portion 563. The top surface 560 defines a "convex" shaped through groove 565 between the two limiting holes 564, wherein the slightly larger portion of the through groove 565 is away from the operating portion 561. The latch body 56 defines a through hole 566 at a portion opposite to the top surface 560 and adjacent to the through groove 565. Two sliding blocks 569 are vertically protruded from the lower end edges of each side surface 562, respectively. Each of the side surfaces 562 is respectively provided with a "U"-shaped hole adjacent to the end portion away from the operating portion 561, so that a spring piece 57 is formed in the "U"-shaped hole, and the free end of each elastic piece 57 faces away from the end of the operating portion 561. A hook 570 protrudes perpendicularly from each free end.

Referring to FIG. 6, the chassis 60 includes a bottom plate 68, a rear plate 62 having one end mounted to the bottom plate 68, and a circuit board 64 mounted to the bottom plate 68. A portion of the bottom plate 68 adjacent to the rear end is provided with four snaps 680 corresponding to the square through holes 540 of the fixing piece 54 of the fixing frame 52. Each of the buckles 680 extends upward from the bottom plate 68, and then extends from the bottom portion. A flap is formed by bending. The bottom plate 68 is provided with two protrusions 682 corresponding to the through holes 542 of the two bosses of the fixing piece 54 at a position adjacent to the buckle 680. The lower portion of the rear plate 62 is provided with an opening 620. The four edges of the opening 620 are outwardly protruded from a folded edge, and an elastic card 621 is formed on each of the vertically opposite two folded edges. A connector 66 is provided on the lower portion of the circuit board 64 near one side.

Referring to FIG. 3 to FIG. 7 , the snap body 56 is slid from the bottom end of the fixing frame 52 into the main body 53 of the fixing frame 52 during assembly, so that the sliding block 569 of each side 562 of the locking body 56 passes through the fixing. The through hole 540 of the fixing piece 54 of the frame 52. The latching body 56 is pushed to move the sliding block 569 against the corresponding supporting piece 533 of the main body 53 to the second end of the fixing frame 52. The two elastic pieces 57 of the locking body 56 are respectively pressed by the two side plates 530 of the fixing frame 52. Deformed inward. The latching body 56 is further pushed, and the elastic piece 57 is elastically restored after the elastic piece 57 slides into the sliding hole 532. The hook 570 of the elastic piece 57 is fastened to the resisting portion 538 of the sliding hole 532 of the fixing frame 52 adjacent to the second end thereof to prevent the locking body 56 from being self-retained. The holder 52 is withdrawn and falls off. At this time, the top surface 560 of the latching body 56 is in contact with the top plate 531 of the fixing frame 52. The engaging portion 537 of each engaging hole 535 of the fixing frame 52 and the corresponding limiting hole 564 of the latching body 56 are The limit portion 567 is aligned. The flap 357 of the fixing frame 52 is inserted into one end of the through groove 565 of the buckle body 56 adjacent to the operating portion 561. The spring 55 is disposed in the through groove 565 from the opposite side of the latching body 56 and the top surface 560. One end of the spring 55 is hooked on the flap 357 of the fixing frame 52, and the other end is hooked on the through hole 566 of the latching body 56. Thereby, the buckle body 56 and the fixing frame 52 are integrally connected.

The control member 50, which is integrally formed by the fixing frame 52 and the buckle body 56, slides into the bottom plate 68 from the direction of the flap of the buckle 680 facing the bottom plate 68 of the chassis 60 until the extension of each buckle 680 is respectively fixed against the fixed portion. The edge of the square through hole 540 of the fixing piece 54 of the frame 52. The second end of the fixing frame 52 is slightly raised, so that the through holes 542 of the bosses of each fixing piece 54 are respectively sleeved on the two protrusions 682 of the bottom plate 68, and each of the buckles 680 is engaged with the corresponding through hole 540. The control member 50 is thus mounted to a portion of the bottom plate 68 of the chassis 60 adjacent to the rear plate 62.

Referring to FIG. 5 to FIG. 7 together, in use, the two locking screws 20 respectively pass through the through holes 12 of the card 10, and then the top surfaces of the plate 32 of the movable member 30 are respectively locked into the fixing holes of the plate 32. 320, thereby fixing the card 10 to the board 32. The movable member 30 is pushed along the opening 620 of the rear plate 62 of the chassis 60, and the two protrusions 322 of the movable member 30 are respectively slid into the engaging holes 535 along the two guiding openings 534 of the fixing frame 52, and the two protrusions 322 The abutting block 568 of the corresponding limiting hole 564 is respectively pressed and moved toward the second end of the fixing frame 52, so that the locking body 56 is moved in the main body 53 of the fixing frame 52 toward the second end of the fixing frame 52, and the buckle is buckled. The two limiting holes 564 of the body 56 are also moved toward the second end of the fixing frame 52. Each of the engaging holes 535 of the fixing frame 52 is aligned with the guiding portion 563 of the corresponding limiting hole 564, and each limiting hole 564 is defined. The resisting block 568 is offset from the corresponding engaging hole 535. At this time, the spring 55 is in a stretched state. The movable member 30 is continuously pushed until the stud 322 abuts against the edge of the engaging portion 537 of the engaging hole 535. At this time, the connector at the end of the card 10 is connected to the connector 66 of the circuit board 64 in the chassis 60. After the protruding post 322 passes over the resisting block 568, the elastic restoring force of the spring 55 pushes the latching body 56 to move toward the first end of the fixing frame 52, and each limiting hole 564 also moves along with the latching body 56, each limiting hole The limiting portions 567 of the 564 are respectively aligned with the engaging portions 537 of each of the engaging holes 535 , and the protruding posts 322 are respectively engaged with the limiting portions 567 of each of the limiting holes 564 . The abutting blocks 568 at the edges of the limiting portions 567 of each of the limiting holes 564 are respectively hooked on the studs 322 to prevent the studs 322 from slipping out of the engaging holes 535. The elastic cards 621 of the opening 620 of the rear panel 62 of the chassis are respectively clamped to the two ends of the movable member 30, so that the movable member 30 is fixed in the chassis 60, so that the card 10 is quickly installed in the chassis 60.

Referring to FIG. 5 again, when disassembling, the operating portion 561 of the latching body 56 of the pusher 50 pushes the latching body 56 to move toward the second end of the mounting bracket 52 in the main body 53 of the mounting bracket 52, and the latching body 56 The two limiting holes 564 are also moved toward the second end of the fixing frame 52. Each of the engaging holes 535 of the fixing frame 52 is aligned with the guiding portion 563 of the corresponding limiting hole 564, and each limiting hole 564 is limited to the limiting portion. The abutment block 568 of the 567 is disengaged from the corresponding post 322 of the movable member 30. The movable member 30 is extracted outwardly, and the protruding post 322 of the movable member 30 is moved outwardly to slide out from the engaging hole 535 and the limiting hole 564. The movable member 30 can be removed to quickly remove the card 10 from the chassis 60. Removed inside.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations in the spirit of the present invention will be apparent to those skilled in the art. All should be covered by the following patent application.

Board. . . 10

Through hole. . . 12

Locking screw. . . 20

Live parts. . . 30

Board body. . . 32

Fixed hole. . . 320

Stud. . . 322

Square hole. . . 356

Folds. . . 357

Controls. . . 50

Fixing frame. . . 52

main body. . . 53

Side panel. . . 530

roof. . . 531

Sliding hole. . . 532

Support piece. . . 533

Guide port. . . 534

Engagement hole. . . 535

Engagement department. . . 537

Resist part. . . 538

Fixed piece. . . 54

Through hole. . . 540

Through hole. . . 542

spring. . . 55

Buckle body. . . 56

Top surface. . . 560

Operation department. . . 561

side. . . 562

Guidance section. . . 563

Limit hole. . . 564

Through slot. . . 565

Through hole. . . 566

Limiting department. . . 567

Resist the block. . . 568

Sliding block. . . 569

shrapnel. . . 57

Hook. . . 570

Chassis. . . 60

Back plate. . . 62

Opening. . . 620

Elastic card. . . 621

Circuit board. . . 64

Connector. . . 66

Base plate. . . 68

Buckle. . . 680

Stud. . . 682

1 is an exploded perspective view of a preferred embodiment of a card securing device of the present invention and a card.

Figure 2 is a perspective view of the other direction of Figure 1.

Figure 3 is a perspective assembled view of the control member of Figure 1.

Figure 4 is a plan view of Figure 3.

Figure 5 is a top plan view of Figure 3 during use.

6 is a perspective view of a preferred embodiment of the card securing device of the present invention and a board and a chassis.

Figure 7 is a perspective assembled view of Figure 6.

Board. . . 10

Through hole. . . 12

Locking screw. . . 20

Live parts. . . 30

Board body. . . 32

Fixed hole. . . 320

Square hole. . . 356

Folds. . . 357

Controls. . . 50

Fixing frame. . . 52

main body. . . 53

Side panel. . . 530

roof. . . 531

Sliding hole. . . 532

Support piece. . . 533

Guide port. . . 534

Engagement hole. . . 535

Engagement department. . . 537

Resist part. . . 538

Fixed piece. . . 54

Through hole. . . 540

Through hole. . . 542

spring. . . 55

Buckle body. . . 56

Top surface. . . 560

Operation department. . . 561

side. . . 562

Guidance section. . . 563

Limit hole. . . 564

Through slot. . . 565

Limiting department. . . 567

Resist the block. . . 568

Sliding block. . . 569

shrapnel. . . 57

Hook. . . 570

Claims (10)

A card fixing device for fixing a card in a chassis, comprising a movable member fixed with a card, the movable member comprising a plate body, wherein the plate body has at least one protruding column protruding from the plate body, the plate The card fixing device further includes a control member, the control member includes a fixing frame fixed in the chassis, and a locking body elastically slidably mounted on the fixing frame, the fixing frame is provided with at least one protruding post At least one engaging hole, the buckle body is provided with at least one limiting hole corresponding to the at least one engaging hole, and one side of the limiting hole protrudes into the limiting hole, and the buckle is protruded The sliding of the body relative to the fixing frame can align or offset the engaging hole with the resisting block. When the card is installed, the protruding post of the movable member pushes against the resisting block of the limiting hole, so that the engaging hole and the engaging hole The resisting block is staggered, and the protruding post slides into the engaging hole and the limiting hole. Thereafter, the latching body is elastically restored, and the protruding post is restrained in the engaging hole by the resisting block to fix the card. The card fixing device of claim 1, wherein the buckle body comprises a top surface, the top surface is provided with a through groove, the buckle body is adjacent to a surface opposite to the top surface thereof and adjacent to the through groove a portion of the spring is provided with a through hole, and the top plate extends a flap extending into the through slot. The through slot receives a spring for resetting the latch body. The through hole has the other end hooked on the flap. The card fastening device of claim 1, wherein the buckle body comprises two opposite sides, each of which is provided with a resilient piece adjacent to one end, and a free end of each elastic piece protrudes from a hook, the fixing frame comprises Two opposite side plates, each side plate is provided with a stepped sliding hole, and a middle portion of the sliding hole forms a resisting portion, and the hook can be buckled to the resisting portion of the corresponding sliding hole to prevent the buckle body from the fixing frame Slide out inside. The card fixing device of claim 3, wherein each side of the buckle body vertically protrudes from two spaced sliding blocks, and the lower edge of the sliding hole of each side plate of the fixing frame is vertically outward. A support piece is protruded, and the sliding block is respectively slid to the corresponding support piece. The card fixing device of claim 1, wherein the fixing frame comprises a top plate and two opposite side plates adjacent to the top plate, wherein the one side plate is correspondingly provided with at least one guiding port, the guiding port The engaging hole is located on the top edge of the side plate, and the engaging hole is formed on the top plate and extends from the guiding opening to the opposite side plate. The engaging hole gradually contracts from the guiding opening to the opposite side plate to form an arc shape. The engaging portion slides into the engaging hole from the guiding opening and is engaged with the engaging portion, and the resisting block resists the protruding post in the engaging portion. The board fixing device of claim 1, wherein the limiting hole comprises a guiding portion penetrating a side surface of the buckle body and a limiting portion formed by gradually shrinking from the guiding portion, The abutting block is located between the limiting portion and the guiding portion, and the protruding post is engaged with the limiting portion and resists the abutting block. The card fixing device according to claim 6, wherein the limiting portion of the limiting hole has a "C" shape. The card fixing device according to claim 1, wherein the limiting hole has an "R" shape. The card fixing device according to claim 1, wherein one end of the buckle body is provided with an operating portion for pushing the buckle body to slide relative to the fixing frame. The board fixing device of claim 1, wherein the chassis comprises a bottom plate, and the bottom plate is punched with four spaced buckles at an adjacent end, each buckle is bent upward from the bottom plate and bent to form a bottom plate. a plurality of protrusions are further disposed on the bottom plate adjacent to the buckle, the fixing frame further includes two fixing pieces, each of the fixing pieces is provided with two through holes at intervals, and each of the fixing pieces is further provided with an intermediate portion The through hole of the buckle is correspondingly engaged with the through hole of the fixing piece, and the protruding post of the bottom plate is correspondingly engaged with the through hole of the protruding piece, and the fixing frame is fixed to the bottom plate.