CN201115152Y

CN201115152Y - Stop component for circuit board

Info

Publication number: CN201115152Y
Application number: CNU2007201834218U
Authority: CN
Inventors: 陈文华
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2007-10-22
Filing date: 2007-10-22
Publication date: 2008-09-10
Anticipated expiration: 2017-10-22

Abstract

A flapper component for a circuit board is used for locating a shell on the circuit board, wherein, the circuit board moves along a combined direction or a released direction correspondingly to the shell so as to latch or disassemble with the shell mutually. The flapper component consists of a base which is arranged in the shell and a locating part ; the locating part is provided with a flapper part and an elastic stator. The flapper part is pivoted on the base and selectively stops the circuit board on one lateral edge of the released direction, thus preventing the circuit board from moving along the released direction. The elastic stator is extended on the flapper part and presses a supporting seat with one side surface so as to be interfered with the movement of the flapper part correspondingly to the base, thus leading the flapper part to be in a state of maintaining the flapper in the circuit board.

Description

The circuit board barrier module

Technical field

The utility model is relevant with the circuit board fixation kit of electronic installation, particularly fast circuit board is positioned the circuit board barrier module of casing about a kind of being used for, and can makes the formality of dismounting circuit board easier and rapid.

Background technology

Circuit board in the electronic installation, the motherboard of computer for example, great majority are that the means with the screw locking are fixed on the casing of electronic installation.With the means of screw fixing circuit board, when user's dismounting circuit board, must utilize instrument, for example screwdriver screws or screws out screw, can fix or dismantle circuit board.If just there is not corresponding instrument on hand, just can't the dismounting circuit board, very inconvenience in the use.On the other hand, because screw One's name is legion that must locking causes the formality redundant and complicated and the time and effort consuming of dismounting circuit board.

For with the screw fixing circuit board time, must screw or unscrew screw by tool using, and the sharp problem that brings inconvenience has occurred on the market with the screw improvement for can not needing instrument just can operate directly with the THUMB SCREWS (thumbscrew) of finger rotation.Simultaneously, also the fixed structure with other replaces screw partly, to reduce the demand of screw.As shown in Figure 1, be a kind of circuit board fixation structure that reduces the screw use amount of the prior art, as long as it uses one piece of screw or THUMB SCREWS 60, just can fixing circuit board 20 in casing 10.In this fixed structure, be that a plurality of reference columns 11 and a screw 61 are set on casing 10.The stage casing of each reference column 11 is provided with a groove 111, and circuit board 20 is provided with a plurality of location holes 21 corresponding to reference column 11.Each location hole 21 is the cucurbit shape and has one wide section 211 and one narrow section 212, and reference column 11 front ends are to pass location hole 21 by wide section 211.After a bonding position displacement, the groove 111 of reference column 11 is to slip in narrow section 212 of location hole 21 to circuit board 20 with respect to casing 10, makes the circuit board 20 can't be towards the direction displacement away from casing.Circuit board 20 still can be with respect to motherboard along a release direction displacement, and reference column 10 is got back in wide section 211 of location hole 21 once again.Then, screw or THUMB SCREWS 60 are passed circuit board 20 and are screwed in screw 61, and circuit board 20 is fixed on the casing 10, can not move towards release direction.But the user still needs to rotate THUMB SCREWS 60 and locks, and still has the problem of time and effort consuming to exist.In addition, the also general screw of the cost of THUMB SCREWS and cost is high.

Summary of the invention

In above problem prior art, the fixed structure that is used for circuit board still has expend time in operation and the high problem of cost, and the utility model purpose is to provide a kind of circuit board barrier module, is to operate fast, and reduces production costs.

In order to reach above-mentioned purpose, the utility model provides a kind of circuit board barrier module, in order to locate a circuit board on a casing, wherein circuit board be with respect to housing along a bonding position or a release direction displacement, with mutual clip of housing or dismounting.

Barrier module includes a pedestal and positioning piece, and wherein pedestal is arranged at casing, uses for keeper to be hubbed on the casing.Keeper has a stop section and a flexible fastening sheet, and the stop section is hubbed at pedestal and can rotates with respect to casing, thus the stop section optionally be moved and block in the lateral edges of circuit board towards release direction, circuit board can not moved along release direction.The flexible fastening sheet extends the stop section and to suppress in supporting seat a side, interferes the rotation of stop section with respect to pedestal, uses making the stop section keep the state of block in circuit board.

Effect of the present utility model is, keeper is to interfere the mode of pedestal to be fixed in the precalculated position with the flexible fastening sheet, therefore keeper is when being used for block or discharging circuit board, only need directly to stir the stop section with hand, the position that changes the stop section can be reached, do not need numerous and diverse operating procedure, saved the time of dismounting circuit board.Simultaneously, do not need extra fixture yet, simplify the structure and reduce manufacturing cost so that keeper is fixed in the precalculated position.

Above about the utility model content explanation and the explanation of following execution mode be in order to demonstration with explain principle of the present utility model, and provide patent claim of the present utility model further to explain.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the exploded perspective view of circuit board fixation structure in the prior art;

Fig. 2 is the exploded perspective view of the utility model embodiment;

Fig. 3 is another visual angle exploded perspective view of the utility model embodiment;

Fig. 4 A, 4B and 4C are the end view of the utility model embodiment.

Wherein, Reference numeral

10 casings

11 reference columns

111 grooves

20 circuit boards

21 location holes

211 wide sections

212 narrow sections

30 pedestals

31 bottoms

32 lugs

321 axis holes

322 top sides

323 rear sides

40 keepers

41 stop sections

411 connecting rods

412 blocks

413 hand-held levers

414 axostylus axostyles

42 flexible fastening sheets

60 THUMB SCREWSs

61 screws

Embodiment

Seeing also shown in Figure 2ly, be a kind of circuit board barrier module that the utility model embodiment is provided, is to be applied to an electronic installation, for example personal computer, server or the like, and wherein electronic installation has a casing 10 and a circuit board 20.This kind circuit board barrier module can to see through the combination of other fixed structure, not be fixed in circuit board 20 on the casing 10 circuit board 20 in casing 10 slide relative, or promptly dismantles down on casing 10 in order to block circuit board 20.

Consult Fig. 2 again, casing 10 is provided with a plurality of reference columns 11, and the quantity of reference column 11 can increase and decrease according to actual state, be embodiment with four reference columns 11 in the present embodiment, but the quantity of reference column 11 is not as limit, and in addition, the stage casing of each reference column 11 offers a groove 111.Circuit board 20 can be the motherboard of aforementioned electronic, and circuit board 20 has a plurality of location holes 21, location hole 21 the position is set and quantity is corresponding to reference column 11.Each location hole 21 has one wide section 211 and one narrow section 212 respectively, and wide section 211 aperture is the external diameter greater than reference column 11 front ends, makes each reference column 11 can pass wide section 211 of each location hole 21.Narrow section 212 aperture of location hole 21 is the external diameters less than reference column 11 front ends, but is slightly larger than the external diameter of groove 111, makes narrow section 212 edge of location hole 21 can embed the groove 111 of reference column 11.Therefore, circuit board 20 can slide at casing 10 upper edges one bonding position by reference column 11, makes the groove 111 of location hole 21 embedding reference columns 11, to fix by location hole 21 and casing 10 clips.On the contrary, circuit board 20 also can slide in casing 10 upper edges one release direction by reference column 11, makes location hole 21 withdraw from the groove 111 of reference column 11, so that circuit board 20 can be from casing 10 dismountings down.

Consult Fig. 2 and shown in Figure 3, the circuit board barrier module is to be arranged on the casing 10, and it is provided with the position is corresponding to the side of circuit board 20 towards release direction.The circuit board barrier module is when being used to circuit board 20 and being incorporated into reference column 11, and block can not use circuit board 20 is fixed on the casing 10 circuit board 20 with respect to casing 10 towards the release direction displacement in the side of circuit board 20.

Hold, the circuit board barrier module comprises a pedestal 30 and positioning piece 40, and pedestal 30 comprises a bottom 31 and is set in parallel in two lugs 32 of bottom on 31, and lug 32 has an axis hole 321 respectively.Wherein, bottom 31 is to be fixed on the casing 10, uses pedestal 30 is fixed in casing 10.The top side of each lug 32 is surperficial parallel with casing 10 roughly, and the rear side of lug 32 roughly with the Surface Vertical of casing 10.

Consult shown in Fig. 3, Fig. 4 A, Fig. 4 B and Fig. 4 C, keeper 40 has a stop section 41 and a flexible fastening sheet 42.Stop section 41 has a connecting rod 411 and a block 412, and an end of connecting rod 411 has two outwards outstanding axostylus axostyles 414.This end of connecting rod 411 is between two lugs 32 of pedestal 30, and two shaft lever 414 is the axis holes 321 that insert two lugs 32 respectively, and an end of using connecting rod 411 is articulated between two lugs 32 of pedestal 30.Block 412 is the other ends that are arranged at connecting rod 411, use and see through keeper 40 with respect to pedestal 30 swings, block 412 is displaced between a block position and the off-position, and when block 412 is positioned at the block position, but block can not move circuit board 20 towards release direction in the lateral edges of circuit board 20 towards release direction.In addition, stop section 41 has more on the other hand holds handle 413, extends block 412, uses for the user and grasps, with mobile stop section 41.

Consult again shown in Fig. 3, Fig. 4 A, Fig. 4 B and Fig. 4 C, flexible fastening sheet 42 extends the block 412 of stop section 41, and be top side 321 or the rear side 322 that optionally is resisted against the lug 32 of pedestal 30 with a side elastic, interfere the rotation of stop section 41 with respect to pedestal 30.

Consult shown in Fig. 4 A, when the block 412 of stop section 41 moved to the block position, block 412 was lateral edges of block circuit board 20.At this moment, flexible fastening sheet 42 is the top sides that are resisted against lug 32, and interferes stop section 41 towards the moving of off-position, and fixedly stop section 41 is in the block position.

Consult shown in Fig. 4 B, when stop section 41 is subjected to external force, or the stirring when move the off-position of user, flexible fastening this moment sheet 42 must be by the top sides 321 and rear side 322 intersections of lug 31.Because top side 321 is actually on the mobile route that is positioned at flexible fastening sheet 42, so flexible fastening sheet 42 will be forced to the distortion bending, produces one simultaneously stop section 41 pushed away elastic force toward the block position.If act on the external force of stop section 41 is because the vibration of casing 10 produces, and therefore this external force can keep stop section 41 in the block position much smaller than the elastic force of flexible fastening sheet 42 usually.If this active force is applied by the user, and be stop section 41 will be moved to the off-position really, this active force maximum flexibility power that just must be produced greater than flexible fastening sheet 42 then, so just can make flexible fastening sheet 42 produce enough distortion, by the top side 321 and rear side 322 intersections of lug 32.

Consult shown in Fig. 4 C, after the top side 321 and rear side 322 intersections of flexible fastening sheet 42 by lug 32, stop section 41 can successfully arrive the off-position, and the sheet of flexible fastening simultaneously 42 also can be against the rear side 322 of lug 32.At this moment, circuit board 20 can be moved towards release direction, and the rear side 322 that flexible fastening sheet 42 also can be subjected to lug 32 once again interferes, and temporarily the off-position is fixed in stop section 41.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims

1. circuit board barrier module, in order to block one circuit board on a casing, wherein this circuit board be with respect to this housing along a bonding position or a release direction displacement, with mutual clip of this housing or dismounting, it is characterized in that this barrier module includes:

One pedestal is arranged at this casing;

Positioning piece, have a stop section and a flexible fastening sheet, this stop section be hubbed at this pedestal and optionally block in the lateral edges of this circuit board towards this release direction, this flexible fastening sheet extends this stop section and is resisted against this pedestal with a side, interferes the rotation of this stop section with respect to this pedestal.

2. circuit board barrier module as claimed in claim 1 is characterized in that, wherein this pedestal has a top side and a rear side, and this flexible fastening sheet is optionally to be resisted against this top side or this rear side with this side.

3. circuit board barrier module as claimed in claim 1, it is characterized in that, wherein this stop section comprises a connecting rod and a block, and an end of this connecting rod is to be articulated in this pedestal, this block be arranged at this connecting rod the other end with block in the lateral edges of this circuit board towards this release direction.

4. as the circuit board barrier module of claim 3, it is characterized in that, wherein comprise on the other hand and hold handle, extend this block.

5. circuit board barrier module as claimed in claim 3 is characterized in that, wherein this pedestal comprises a bottom and is set in parallel in two lugs on this bottom, and this bottom is to be fixed in this casing, and an end of this connecting rod is to be hubbed between two lugs.

6. circuit board barrier module as claimed in claim 5 is characterized in that, wherein this two lug has an axis hole respectively, and an end of this connecting rod has two outwards outstanding axostylus axostyles, inserts the axis hole of this two lug respectively.