CN102467177A - Electronic device - Google Patents

Abstract

An electronic device, comprising a casing, a fan bracket fixed inside the casing, and a plurality of PCI cards, one end of the PCI card is fixed on the casing, and the electronic device also includes a fixing frame, One end of the fixing frame is pivotally connected to the fan bracket, and the other end presses against the top of the other end of the PCI card. The other end of the fixing frame forms a fastening part, and the fastening part is fastened to the Thereby restricting the upward rotation of the fixed frame on the casing. Compared with the prior art, the present invention pivotally connects a fixing bracket on the fan support to cover the other end of the PCI card, so that the PCI card assembly can be more stably fixed to the inside of the casing, preventing the In the event of vibration, one end of the PCI card component is detached, resulting in poor signal contact and other problems. The invention also relates to an electronic device using the fixing frame.

Description

electronic device

technical field

The invention relates to an electronic device.

Background technique

At present, in electronic devices, such as computer products, PCI (Peripheral Component Interconnect) cards connect the interface devices in a system to each other in a structured and controllable manner. Using PCI cards to expand computer interface devices has become an indispensable The way.

At present, a computer generally needs to install multiple PCI cards to expand the functions of the computer. The traditional fixing method of the PCI card is to fix one end of the PCI card on the chassis, and insert the golden finger at the bottom of the PCI card into the slot of the circuit board to form an electrical connection between the PCI card and the circuit board. However, PCI cards are divided into half-length cards and full-length cards. For full-length cards, only one end of the card is fixed on the chassis. In the case of sudden vibration, the other end is easy to loose and cause a gap between the PCI card and the circuit board. The electrical connection of the computer is poor, which will cause signal interruption and affect the normal operation of the computer.

Contents of the invention

In view of this, it is necessary to provide an electronic device in which a PCI card is stably fixed and a PCI card fixing frame used therein.

An electronic device, comprising a casing, a fan bracket fixed inside the casing, and a plurality of PCI cards, one end of the PCI card is fixed on the casing, and the electronic device also includes a fixing frame, One end of the fixing frame is pivotally connected to the fan bracket, and the other end presses against the top of the other end of the PCI card. The other end of the fixing frame forms a fastening part, and the fastening part is fastened to the Thereby restricting the upward rotation of the fixed frame on the casing.

Compared with the prior art, the present invention pivotally connects a fixing bracket on the fan support to cover the other end of the PCI card, so that the PCI card assembly can be more stably fixed to the inside of the casing, preventing the In the event of vibration, one end of the PCI card component is detached, resulting in poor signal contact and other problems. In addition, the fixed frame has a simple structure, can be installed without tools, and is easy to operate.

Description of drawings

FIG. 1 is an exploded perspective view of an embodiment of the electronic device of the present invention.

FIG. 2 is a perspective view from another angle of the fixing frame of the electronic device shown in FIG. 1 .

FIG. 3 is a three-dimensional assembled view of the electronic device shown in FIG. 1 .

FIG. 4 is a perspective view of the fixing frame in the electronic device shown in FIG. 3 in a buckled state.

Description of main component symbols

Electronic Devices 100

Chassis 10

Bottom plate 11

Circuit board 111

Slot 112

First side panel 12

Folding plate 121

Second side panel 13

The first slot 131

The second slot 132

Ribs 133

Chipboard 134

Connecting hole 135

Fan Bracket 20

Connecting plate 21

Fixing parts 211

Connectors 212

Fixing hole 213

Steps 214

Positioning hole 215

Vent 22

PCI card assembly 30

PCI card 31

Combined part 311

Bracket 32

Board body 321

Hem 322

Notch 323

Fixed frame 40

Main body 41

Top plate 411

side wall 412

Support block 413

Storage Tank 414

Support plate 415

The first connecting arm 42

Connection section 421

middle section 422

Fixed segment 423

Card feet 424, 425

Convex Post 426

Second connecting arm 43

Stop block 431

Fastening part 44

Buckle 441

Detailed ways

FIG. 1 shows an electronic device 100 according to an embodiment of the present invention. The electronic device 100 includes a casing 10, a fan bracket 20 fixed inside the casing 10, and several PCI card assemblies fixed in the casing 10. 30 and a fixing frame 40 pivotally connected to the fan bracket 20 at one end.

The casing 10 includes a bottom plate 11 , a first side plate 12 and a second side plate 13 vertically extending upwards along two adjacent sides of the bottom plate 11 .

The bottom plate 11 has a rectangular shape, and a circuit board 111 is arranged on its top surface, and a plurality of slots 112 are arranged on the end of the circuit board 111 close to the second side plate 13 for inserting the PCI card assembly 30 . The slots 112 are parallel to each other and arranged at equal intervals, and the extending direction of the slots 112 is parallel to the first side plate 12 .

The first side panel 12 is approximately in an inverted L shape, and a top end of the first side panel 12 protrudes toward the inside of the casing to form a flap 121 with a smaller width. The upper surface of the flap 121 is a smooth curved surface extending inward and downward.

The second side plate 13 is vertically provided with a plurality of first through slots 131 and a second through slot 132 extending horizontally right above the first through slots 131 . The first through-slots 131 are parallel to each other and equidistant from each other, and their tops communicate with the second through-slots 132 . A rib 133 is formed between two adjacent first through grooves 131 . Top ends of the ribs 133 are turned outwards and extend horizontally. The ends of the ribs 133 are connected to each other by a plate 134 . A connecting hole 135 is formed at the top of each rib 133 . The connecting hole 135 can be screwed with a screw.

The fan bracket 20 is disposed at an end of the casing 10 away from the second side plate 13 . The fan bracket 20 is a hollow square frame for installing a fan (not shown). The fan bracket 20 has a connecting plate 21 disposed vertically and facing the second side plate 13 , a square vent 22 is formed in the center of the connecting plate 21 .

The top of the connecting plate 21 protrudes from the left side of the vent 22 to form two fixing pieces 211, and the top of the connecting plate 21 protrudes from the right side of the ventilation opening 22 to form a fixing piece 211 and a connecting piece 212. . Each fixing member 211 is roughly plate-shaped and defines a fixing hole 213 thereon. The fixing holes 213 of the three fixing parts 211 are located on the same horizontal straight line. The connecting piece 212 is also roughly plate-shaped, and the height of the inner end of the connecting piece 212 (ie, the end close to the connecting plate 21) is higher than the height of its outer end (ie, the end away from the connecting plate 21), so that the connecting piece 212 A step 214 is formed at the top of the connecting member 212 . A positioning hole 215 is defined at an inner end of the connecting member 212 . The positioning hole 215 is located on the same horizontal line as the fixing hole 213 of the fixing member 211 , and the positioning hole 215 is equal to the inner diameter of the fixing hole 213 .

The PCI card assembly 30 includes a PCI card 31 and a bracket 32 for fixing the PCI card 31 . The PCI card 31 is roughly rectangular, and its bottom has a joint 311 (commonly known as "golden finger" in the industry) near one end thereof. The joint 311 is used to be inserted into the slot 112 on the casing 10, so The PCI card 31 is electrically connected to the circuit board 111 . The bracket 32 is connected to the right end of the PCI card 31 , and the bracket 32 includes a vertically elongated board 321 and a folded edge 322 extending outward from the top of the board 321 . The size of the plate body 321 is equivalent to the size of the first through slot 131 of the second side plate 13 , so that it can be buckled in the first through slot 131 of the second side plate 13 . The folded edge 322 is provided with a notch 323 for screw fastening. In the present embodiment, the quantity of the PCI card 31 is equal to the quantity of the slot 112 on the circuit board 111, but in actual application, the quantity of the PCI card assembly 30 is not limited, and can be adjusted according to the actual needs of the user. The number of PCI cards 31 is selected.

The fixing frame 40 is integrally formed by injection molding, and includes a substantially rectangular parallelepiped main body 41 and first connecting arms 42 respectively extending from opposite ends of the main body 41 toward one side of the main body 41 . and the second connecting arm 43 , and a buckling portion 44 extending from the other side of the main body portion 41 .

Please refer to FIG. 1 and FIG. 2 at the same time, the main body 41 includes a rectangular top plate 411 and two side walls 412 vertically extending downward from shorter two sides of the top plate 411 . A lower surface of the top board 411 protrudes downwards to form a plurality of supporting blocks 413 . The plurality of supporting blocks 413 are arranged in a matrix, and these supporting blocks 413 are spaced from the side walls 412, thereby forming a plurality of receiving grooves 414 in the main body 41, the receiving grooves 414 extend along the width direction of the main body 41, and The receiving slots 414 are arranged at intervals along the length direction of the main body 41 . The number of the receiving slots 414 is equivalent to the number of the slots 112 of the circuit board 111 , and the receiving slots 414 are used for receiving the top of the left end of the PCI card 31 . In this embodiment, the supporting blocks 413 are arranged in three rows and five columns, and six receiving grooves 414 are formed at intervals between the supporting blocks 413 and the two side walls 412 . Two adjacent supporting blocks 413 in the same row are connected by a supporting plate 415, and the supporting plate 415 can strengthen the strength of the main body portion 41 and make its structure more firm.

The first connecting arm 42 and the second connecting arm 43 extend toward one side of the main body 41 in the same direction. The first connecting arm 42 includes a connecting section 421 extending from the top plate 411, a fixing section 423 parallel to the connecting section 421 and lower in height than the connecting section 421, and a connecting section 421 connected to the fixing section 423. The middle section 422 between. The middle section 422 extends obliquely downward from the connecting section 421 toward the fixing section 423 . The end of the fixing section 423 is provided with two clips 424, 425, and the outer sides of the two clips 424, 425 are respectively provided with a boss 426, and the distance between the two bosses 426 is connected with the fan bracket 20. The distance between the two fixing parts 211 on the left upper end of the board 21 is equal, and the two protrusions 426 are used to be engaged in the two fixing holes 213 of the two fixing parts 211 . The shape and structure of the second connecting arm 43 are similar to the first connecting arm 42, and the difference between the second connecting arm 43 and the first connecting arm 42 is that the second connecting arm 43 is located near its end. A rectangular block-shaped stopper 431 protrudes outward from the outer side.

Please refer to FIG. 1 , the engaging portion 44 is disposed on the side wall 412 on the side where the second connecting arm 43 is located. The engaging portion 44 is bent upwards from the bottom end of the side wall 412 to form an L shape, and forms a U-shaped structure together with the side wall 412 . The bottom of the fastening portion 44 is curved and connected to the bottom of the side wall 412 , and the top is spaced apart from the side wall 412 . A buckle piece 441 protrudes outward from the top of the buckle portion 44 , and the buckle piece 441 is used to buckle with the flap 121 of the first side panel 12 of the casing 10 .

Please refer to FIG. 1 , FIG. 3 and FIG. 4 at the same time. When assembling the electronic device 100 , firstly, the PCI card assembly 30 is fixed in the casing 10 . First insert the joint 311 of the PCI card 31 into the slot 112 of the circuit board 111, so that the PCI card 31 and the circuit board 111 are electrically connected, and at the same time, the board body of the support 32 of the PCI card assembly 30 321 is clamped in the first through groove 131 of the second side plate 13 of the casing 10, and the flange 322 of the bracket 32 is attached to the top of the rib 133 of the second side plate 13. At this time, the bracket 32 The gap 323 on the flange 322 is aligned with the connection hole 135 of the rib 133, and then a screw is used to pass through the gap 323 of the flange 322 and screwed with the connection hole 135 of the rib 133, so that the bracket 32 It is fixed on the second side board 13 , and then the right end of the PCI card 31 is fixed on the second side board 13 of the casing 10 .

Secondly, fix the fixing bracket 40 to the fan support 20 . When installing the fixed frame 40, first pinch the two clip feet 424, 425 of the fixed section 423 of the first connecting arm 42 of the fixed frame 40, so that the two clip feet 424, 425 of the fixed section 423 are elastically deformed and displaced relative to each other. , so that the two protrusions 426 on the two clamping feet 424, 425 are respectively clamped in the fixing holes 213 on the two fixing pieces 211 on the left upper end of the fan bracket 20, thereby fixing the first connecting arm 42 to the fan on the bracket 20; and then use the same method to fix the second connecting arm 43 to the fixing part 211 and the connecting part 212 on the upper right end of the fan bracket 20. In this way, the fixing frame 40 is pivotally connected to the fan bracket 20 , and the fixing frame 40 can rotate around the straight line where the fixing hole 213 and the positioning hole 215 are located.

Please refer to Fig. 3 and Fig. 4 at the same time, when this PCI card assembly 30 is locked, this fixed mount 40 is rotated downwards, and the main body portion 41 of this fixed mount 40 is covered on the left side of the top of this PCI card assembly 30. side, and the tops of the PCI cards 31 are accommodated in the corresponding receiving slots 414 of the fixing bracket 40; On the upper surface of the folded plate 121 of 12, a downward force is applied to the fixed frame 40, so that the fastening portion 44 of the fixed frame 40 is compressed and elastically deformed, and the buckle 441 is along the folded plate 121. The upper surface slides downward, and when the buckle 441 slides over the upper surface of the folded plate 121, the buckling portion 44 restores its deformation and snaps to the bottom end of the folded plate 121, thereby limiting the upward rotation of the fixing frame 40 At this time, the stop block 431 abuts against the step 214 of the connecting piece 212 of the fan bracket 20, limiting the tendency of the fixing frame 40 to rotate downward, and at the same time, the top plate 411 of the fixing frame 40 presses against On the top of the PCI card 31, the upward displacement tendency of the left side of the PCI card 31 is limited. Since the right end of the PCI card assembly 30 is fixed to the second side plate 13 of the casing 10, the left end restricts its upward displacement through the fixing bracket 40, so that the PCI card assembly 30 can be more stably fixed to the machine. The inside of the shell 10 prevents problems such as poor signal contact caused by the left end of the PCI card assembly 30 detaching from sudden vibrations. In addition, the fixing frame 40 has a simple structure, can be installed without tools, and is easy to operate.

When the PCI card assembly 30 needs to be disassembled, it is only necessary to exert force to elastically deform the buckling portion 44 of the fixing frame 40, so that the top of the buckling portion 44 moves toward the side wall 412, so that the buckling portion 44 The buckle 441 of the first side panel 12 and the flap 121 of the first side panel 12 are disengaged from the buckle, and then the fixing frame 40 is rotated upwards, so that the PCI card can be easily disassembled.

It can be understood that the structure of the fixing frame 40 is not limited to the form mentioned in this embodiment, and it can also be slightly changed on the basis of this embodiment, for example: the fixing frame 40 can also only form a connecting arm, correspondingly Specifically, only a fixing piece 211 and a connecting piece 212 are formed on the fan bracket 20, and the two protrusions 426 of the connecting arm are respectively clamped in the fixing hole 213 of the fixing piece 211 and the positioning hole 215 of the connecting piece 212. For another example, only one boss 426 is formed on the outer ends of the first connecting arm 42 and the second connecting arm 43 of the fixing frame 40, and correspondingly, only one fixing part 211 and one connecting part 212 are formed on the fan bracket, The distance between the fixing part 211 and the connecting part 212 is equivalent to the distance between the protrusion 426 of the first connecting arm 42 and the second connecting arm 43 , and the protrusion 426 of the first connecting arm 42 and the second connecting arm 43 426 are engaged in the fixing hole 213 of the fixing member 211 and the positioning hole 215 of the connecting member 212 respectively, so that the fixing frame 40 is pivotally connected to the fan bracket 20 .

Claims (12)

1. electronic installation comprises a casing, is fixed in a blower tray and some pci cards of said interior, and an end of said pci card is fixed on the said casing; It is characterized in that; Said electronic installation also comprises a fixed mount, and an end of said fixed mount is articulated on the said blower tray, and the other end compresses the top of the other end of this pci card; The said other end of said fixed mount forms a buckling parts, thereby this buckling parts is snapped in and limits this fixed mount on this casing and upwards rotate.

2. electronic installation as claimed in claim 1 is characterized in that, this fixed mount comprises a main part and at least one linking arm that is connected with this main part, and the end of said linking arm is articulated on the said blower tray, and said main part presses on the top of this pci card.

3. electronic installation as claimed in claim 2 is characterized in that, is formed with two fixtures on the said blower tray, and each fixture is provided with a fixed orifice, and the end of the linking arm of this fixed mount forms two projections, and this two projection is arranged in respectively in this two fixed orifice.

4. electronic installation as claimed in claim 3 is characterized in that, the linking arm end of said fixed mount is formed with two card bases, and this two card base is provided with at interval, and said two projections are formed at the outside of this two card base respectively.

5. electronic installation as claimed in claim 3; It is characterized in that; Said two fixtures are formed at a side of said blower tray; The opposite side of said blower tray is provided with a fixture and a connection piece, respectively is provided with a fixed orifice on this fixture and the web member, and the quantity of the linking arm of said fixed mount is two; Wherein a linking arm is arranged in the fixed orifice of two fixtures of the said side of this blower tray, and another linking arm is arranged in the fixed orifice of fixture and web member of said opposite side of said blower tray.

6. electronic installation as claimed in claim 5; It is characterized in that; Convex with a stop part on the linking arm of said fixed mount; The height of this web member is lower than the inner in its outer end, and when the main part of this fixed mount pressed on the top of this pci card, the stop block of said linking arm was resisted against the outer end of this web member and limits downward the moving of this fixed mount.

7. electronic installation as claimed in claim 2 is characterized in that, is formed with some accepting grooves on the said body, and the top of said pci card is contained in the said accepting groove.

8. electronic installation as claimed in claim 7 is characterized in that, said body comprises a top board and the some back-up blocks that extend to form from said top board, and this some back-up blocks space forms said accepting groove.

9. electronic installation as claimed in claim 8; It is characterized in that: said some back-up blocks are the array setting; Adjacent two are disbursed from the cost and expenses forms said accepting groove between the bracer at interval, and a back up pad connects between adjacent two back-up blocks of same row, the intensity of this this body of back up pad increase.

10. electronic installation as claimed in claim 2 is characterized in that the top outer of said buckling parts outwards is convexly equipped with a cramp, forms a flap on the said casing, and the cramp of said buckling parts is snapped in the bottom of this flap.

11. electronic installation as claimed in claim 10; It is characterized in that: this buckling parts extends upward to L shaped from the bottom bending of a side of this body; The bottom of this buckling parts is connected with this body; The top of this buckling parts and the side of this body separately, said cramp is formed at the outside at the top of said buckling parts.

12. electronic installation as claimed in claim 10 is characterized in that: the top surface of said flap is the curved surface of a downward-sloping extension.

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