CN102566698B - Expansion card fixer - Google Patents

Abstract

A kind of expansion card fixer, for the expansion slot that an expansion board is fixed on a circuit board, this expansion card fixer includes that a support column being fixedly arranged on this expansion board and is articulated in the revolving part of this support column, this revolving part includes a cam and the operating portion laying respectively at these support column both sides, when dismantling expansion board, pull the operating portion of revolving part, revolving part is made to rotate around support column, cam rotation is resisted against the upper surface of expansion slot and makes support column move up, and then drive expansion board to move up and depart from this expansion slot, remove operator from and pull out with a hand this expansion board, laborsaving and convenient.

Description

Expansion card fixer

Technical field

The present invention relates to a kind of expansion card fixer.

Background technology

Being typically provided with some expansion boards in the circuit board of the electronic equipment such as computer or server, the most general plug is expanded The method of card is for be used hands directly to plug expansion board by operator, and the method is relatively elaborate, and in the cabinet of limited space, also Be inconvenient to operate.

Summary of the invention

In view of the foregoing, it is necessary to a kind of convenient expansion card fixer plugging expansion board is provided.

A kind of expansion card fixer, for an expansion board is fixed on the expansion slot on a circuit board, this expansion fixes Determining device and include that a support column being fixedly arranged on this expansion board and is articulated in the revolving part of this support column, this revolving part includes respectively It is positioned at a cam and an operating portion of these support column both sides, when dismantling expansion board, pulls the operating portion of revolving part, make revolving part Around support column rotate, cam rotation is resisted against the upper surface of expansion slot and makes support column move up, so drive expansion board to Upper movement and depart from this expansion slot.

Expansion card fixer of the present invention, when dismantling expansion board, makes the rotation cam of revolving part support by pulling operating portion Pressure expansion slot, so that revolving part drives support column to be displaced outwardly, and drives expansion board to be displaced outwardly and departs from expansion slot, exempt from Operator is gone to pull out with a hand this expansion board, laborsaving and convenient.

Accompanying drawing explanation

The present invention will be further described to combine detailed description of the invention with reference to the accompanying drawings.

Fig. 1 is the circuit that better embodiment and an expansion board and of expansion card fixer of the present invention is provided with expansion slot The three-dimensional exploded view of plate.

Fig. 2 is the other direction view of Fig. 1.

Fig. 3 is the three-dimensional assembly diagram of the expansion card fixer in Fig. 1.

Fig. 4 is the installment state figure of Fig. 1.

Fig. 5 is the disassembly status figure of Fig. 4.

Main element symbol description

Support column 100

Draw-in groove 112

Guidance part 114

Expansion board 200

Plug Division 220

Clamping hole 240,382

Circuit board 400

Expansion slot 600

Containing cavity 620

Fixture block 640

Revolving part 300

Substrate 320

Inner surface 322

Outer surface 324

Pivoted hole 326

Groove 327

Tongue 3272

Cam 370

Connecting plate 380

Operating portion 360

Holding division 340

Extension board 342

Grab 344

Elastic component 500

First fixing end 520

Second fixing end 540

Detailed description of the invention

Refer to Fig. 1 and Fig. 2, the better embodiment of expansion card fixer of the present invention, for by solid for an expansion board 200 Due to a circuit board 400.A fixed expansion slot 600 on this circuit board 400, this expansion slot 600 offers the appearance always putting on surface Put chamber 620, and set some wedge shape fixture blocks 640 in a sidewall convex.This expansion board 200 includes that a Plug Division 220 and is offered On expansion board 200 and be positioned at the clamping hole 240 above Plug Division 220.This expansion card fixer include a support column 100, One revolving part 300 and an elastic component 500.In present embodiment, this circuit board 400 is the circuit board of a server, only shows in figure Go out a part for this circuit board 400.

This support column 100 is perpendicularly fixed at expansion board 200 at clamping hole 240, and this support column 100 is away from expansion board End tapered formation one guidance part 114 of 200, support column 100 is also in offering a draw-in groove 112 at guidance part 114.This enforcement In mode, this support column 100 is general in cylinder, and it passes through SMT (Surface Mounted Technology, surface mount skill Art) processing procedure is fixed on expansion board 200.

This revolving part 300 includes a substantially square substrate 320, and a pivoted hole 326 is offered at the middle part of this substrate 320, The internal diameter of this pivoted hole 326 is slightly larger than the external diameter of support column 100.The outer surface 324 of this substrate 320 is in pivoted hole 326 around Uniformly offering three grooves 327, each groove 327 is all connected with pivoted hole 326, and the bottom surface of each groove 327 is adjacent to pivot joint The elastic tongue 3272 of outside projection one L-shaped at hole 326.Adjacent inner surface 322 projection one at two adjacent faces of this substrate 320 Cam 370.This substrate 320 in the outer surface 324 of the another both ends of the surface intersection adjacent substrates 320 relative with cam 370 towards convex The opposite direction of wheel 370 extends a plate 380, and this connecting plate 380 is provided with an operating portion 360, a bullet away from one end of substrate 320 Property holding division 340 extends from this connecting plate 380.A clamping hole 382 is offered at this connecting plate 380 adjacent substrates 320.This holding division 340 is almost parallel with substrate 320 and be positioned at the homonymy of connecting plate 380.This holding division 340 includes one by the side of connecting plate 380 The extension board 342 extended and the grab 344 being outwards bent to form by the free end of this extension board 342, outside this grab 344 Surface is provided with the guide surface of an arc.

In present embodiment, this elastic component 500 is a torsion spring, has the first fixing end 520 and the second fixing end 540, should The internal diameter of torsion spring is slightly larger than the diameter of support column 100.

Please with reference to Fig. 3, during assembling, this elastic component 500 is sheathed on support column 100, makes the of this elastic component 500 One fixing end 520 inserts in the clamping hole 240 of expansion board 200.By the inner surface 322 of the substrate 320 of revolving part 300 towards expansion Card 200, inserts support column 100 in pivoted hole 326, and the guidance part 114 of this support column 100 pushes the substrate 320 of revolving part 300 Each groove 327 in tongue 3272, make each tongue 3272 to the direction elastic deformation away from pivoted hole 326, support column 100 continue to push ahead, when the draw-in groove 112 of support column 100 aligns the end of tongue 3272, and three tongue 3272 elastic resets And be fastened in this draw-in groove 112, thus this revolving part 300 is articulated in support column 100, by the second fixing end 540 of elastic component 500 It is fastened in the clamping hole 382 of revolving part 300, completes the assembling of expansion card fixer.Now, elastic component 500 is by revolving part 300 to support into vertical state, i.e. connecting plate 380 above, and cam 370 is positioned at lower section.

Please with reference to Fig. 4, when installation expansion board 200 is on circuit board 400, with the operating portion of hands pressing revolving part 300 360, make the revolving part 300 first direction A as shown in arrow rotate to an angle, by the Plug Division 220 of expansion board 200 accordingly Insert expansion slot 600 containing cavity 620 in, now, the cam 370 of this revolving part 300 be positioned at expansion slot 600 top and with behaviour Making portion 360 and lay respectively at the left and right sides of support column 100, there is elastic deformation in elastic component 500.Continue A pressing in the first direction Operating portion 360, the grab 344 of holding division 340 slips over the outer surface of the fixture block 640 of expansion slot 600, until holding division 340 is crossed Fixture block 640, holding division 340 elastic reset of revolving part 300, make grab 344 be fastened in bottom the fixture block 640 of expansion slot 600, expand Fill card 200 installation.Now, elastic component 500 occurs elastic deformation to produce the power of upwards compressing revolving part 300, makes rotation The grab 344 of the holding division 340 of part 300 fixes more firm with the fixture block 640 of expansion slot 600.

Please with reference to Fig. 5, during dismounting expansion board 200, outwards pull out the holding division 340 of revolving part 300, make this holding division 340 along the following table of fixture block 640 away from the direction elastic deformation of expansion slot 600, the grab 344 to holding division 340 depart from The engaging of this fixture block 640, then pull the operating portion 360 of revolving part 300, make the revolving part 300 second direction B rotation as shown in arrow Turn, the cam 370 of this revolving part 300 is resisted against the upper surface of expansion slot 600 so that substrate 320 drive support column 100 to Upper movement, and drive expansion board 200 to move up, so that the Plug Division 220 of expansion board 200 is from the containing cavity of expansion slot 600 Depart from 620, complete the dismounting of this expansion board 200.Now, elastic component 500 resets and revolving part 300 is supported into vertical state.

Claims (3)

1. an expansion card fixer, for an expansion board is fixed on the expansion slot on a circuit board, this expansion board is fixed Device includes that a support column being fixedly arranged on this expansion board and is articulated in the revolving part of this support column, it is characterised in that: this rotation Part includes a cam and the operating portion laying respectively at these support column both sides, when dismantling expansion board, pulls the operation of revolving part Portion, makes revolving part rotate around support column, and cam rotation is resisted against the upper surface of expansion slot and makes support column move up, and then band Dynamic expansion board moves up and departs from this expansion slot.

2. expansion card fixer as claimed in claim 1, it is characterised in that: a sidewall convex of this expansion slot sets a card Block, this revolving part also includes a grab, and when this expansion board is plugged in this expansion slot, this grab hook is in this fixture block.

3. expansion card fixer as claimed in claim 2, it is characterised in that: this revolving part also includes a substrate, a fixing Portion and a plate, this substrate pivot sleeve sets on the support columns, and this cam is positioned at the side of this substrate, and this connecting plate is positioned at substrate The upper opposite side the most relative with this cam, this holding division from a side extension of this connecting plate and with this cam homonymy, this operating portion Being positioned at this connecting plate side away from cam, this grab is arranged at this holding division.