CN201115149Y

CN201115149Y - Fixing device for circuit board

Info

Publication number: CN201115149Y
Application number: CNU2007201815081U
Authority: CN
Inventors: 陈亦宣
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2007-10-15
Filing date: 2007-10-15
Publication date: 2008-09-10
Anticipated expiration: 2017-10-15

Abstract

A fixed installation for a circuit board is used for fixing the circuit board which is provided with a locating hole and a button hole. The fixed installation for the circuit board comprises part of a soleplate constituting a computer shell and at least a fixed block. The soleplate is provided with a plurality of locating columns for passing through the circuit board, so as to locate the circuit board and support the circuit board on the soleplate. The fixed block can be arranged on the soleplate in a rotating way for being turned to the top surface of the circuit board, while a buckle part is buckled into a button hole of the circuit board for fixing the circuit board on the soleplate. And the buckle part can prevent the fixed block from falling off owing to the external force. The fixed block of the utility model can rapidly fix the circuit board only by dialing the fixed block to turn to the preset position, and requires no miscellaneous and redundant screw lock procedures. Meanwhile the circuit board can also be rapidly and correctly placed on the preset installation area by passing the locating column through the locating hole.

Description

Circuit board fixing device

Technical field

The utility model relates to a kind of fixed structure of circuit board, and particularly a kind of being used for is fixed in the circuit board fixing device of casing with circuit board fast, and can make the formality of dismounting circuit board more simple, convenient and rapid.

Background technology

Scientific and technological constantly flourish with information now, computer equipment has been the electronic installation of quite popularizing.Being seen on the market at present computer equipment, no matter be desktop computer, mobile computer or server, its inside must be equipped with a motherboard, with core component as computer system, make to be electrically connected at peripheral hardware such as central processing unit (CPU), memory modules, control adapter (PCI card) computer of etc.ing on the motherboard, be able to carry out smoothly the preset function of peripheral hardware.

The mode of general common fixed host computer plate is provided with several conduction copper columns (boss) as fixed component on the housing of computer installation, offer several open-works corresponding to the copper post on the motherboard.Motherboard is put on the copper post, and and housing between keep a suitable spacing, wore the open-work of motherboard more respectively by a plurality of bolts, and be locked on the copper post, make motherboard keep a spacing distance by the support of copper post and between the housing, the leg contact of avoiding the motherboard back side directly contacts with housing and causes short circuit.

In the mode of copper capital end, in the process of loading and unloading motherboard, the user must be one by one and repeatedly carried out the sealed action with removal of bolt, and is quite time-consuming complicated in start with screw fixed host computer plate, and actual the use gone up and not convenient.And present electronic installation requires compact, and too much copper post will occupy the too much area of motherboard, causes the wiring (layout) on the motherboard to be difficult for, and the overall volume of electronic installation also can't be microminiaturized.

Development in recent years goes out the THUMB SCREWS (thumb screw) that can directly rotate with finger, with the positioning component as the fixed host computer plate.As shown in Figure 1, for general application THUMB SCREWS 50 circuit board 60 is fixed in the schematic diagram of the base plate 70 of casing.Have several reference columns 71 and a screw 72 on the base plate 70, wherein the stage casing of each reference column 71 offers a necking section 711.Circuit board 60 offers several combined holes 61 corresponding to reference column 71.Each combined hole 61 is the cucurbit shape and has one wide section 611 and one narrow section 612, and reference column 71 front ends pass combined hole 61 by wide section 611.So, circuit board 60 just can be slided on base plate 70 by reference column 71, makes narrow section 612 necking section 611 that embeds reference column 61 of combined hole 61.Afterwards, as long as THUMB SCREWS 50 is passed circuit board 60 and screws in screw 72, just circuit board 60 can be fixed on the base plate 70.

Utilize the mode of THUMB SCREWS locking circuit board,, solved the problem that is produced with the sealed fixed host computer plate of copper post though make the usage quantity of copper post significantly reduce.Yet, with thumb screw fixed host computer plate, still belong to the locking mode that screws togather, complicated in the process of loading and unloading motherboard, and consumed time is long, and the cost of THUMB SCREWS also is higher than the price of conventional bolt, causes the increase of manufacturing cost.

How really implementing the installation position with non-bolt (screwless) mode fixed host computer plate, and make things convenient for the user to load and unload motherboard quickly and easily, is that present those skilled in the relevant art desire most ardently the problem that overcomes.

Summary of the invention

The circuit board of electronic installation is positioned on the casing by screw mostly in the prior art, and not only time and effort consuming also needs collocation tool to use.Though and THUMB SCREWS is without collocation tool, but time and effort consuming and cost are higher.

In view of this, the purpose of this utility model is to provide a kind of circuit board fixing device, does not need tool operation and installation or removal circuit board apace.

To achieve these goals, be to provide a kind of circuit board fixing device, in order to fix a circuit board with location hole and button hole.Circuit board fixing device comprises base plate and at least one fixture of the part of a formation computer housing.Base plate is provided with several reference columns, and in order to passing circuit board with locating circuit board, and the support circuit plate is on base plate.Fixture is arranged at base plate rotationally, in order to being turned to the end face of circuit board, and buckles into the button hole in circuit board with a holding part, and on base plate, and holding part can avoid fixture to break away from because of external force vibration with fixing circuit board.

Effect of the present utility model is, as long as fixture need be struck and turn to the precalculated position, just fixing circuit board effect does not apace need numerous and diverse screw lock formality, simultaneously with reference column pass location hole also can be fast and correctly with the circuit board ornaments in predetermined installation region.

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 a kind of fixed host computer plate positioning component of the prior art;

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

Fig. 3 is the stereogram of the utility model embodiment;

Fig. 4 and Fig. 5 are among the utility model embodiment, the stereogram of fixture;

Fig. 6 A and Fig. 6 B are the partial enlarged drawing of the utility model embodiment, disclose fixture and are not held in circuit board;

Fig. 7 A and Fig. 7 B are the partial enlarged drawing of the utility model embodiment, disclose fixture and rotate towards the circuit board top;

Fig. 8 A and Fig. 8 B are the partial enlarged drawing of the utility model embodiment, disclose fixture and are held in circuit board; And

Fig. 9 is the partial cutaway schematic of the utility model embodiment, discloses fixture and is held in circuit board.

Wherein, Reference numeral

10 base plates

11 reference columns

12 strutting pieces

13 fixed hubs

20 fixtures

21 axis holes

22 holding parts

23 stopper sections

24 plectrums

30 circuit boards

31 location holes

32 button holes

41 axostylus axostyles

50 THUMB SCREWSs

60 circuit boards

70 base plates

71 reference columns

72 screws

711 necking sections

61 combined holes

611 wide sections

612 narrow sections

Embodiment

For making the purpose of this utility model, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.

See also Fig. 2 and shown in Figure 3, be the disclosed a kind of circuit board fixing device of the utility model embodiment, in order to fix a circuit board 30 apace.Circuit board fixing device comprises a base plate 10 and several fixtures 20, wherein base plate 10 in order to support circuit plate 30 thereon, each fixture 20 is arranged on the base plate 10 rotationally, and fixture 20 position each side corresponding to circuit board 30 is set.After fixture 20 can be rotated, be held in the end face of circuit board 30, so that circuit board is fixed on the base plate 10.

Please consult Fig. 2 and shown in Figure 3 again, base plate 10 can be a stand-alone assembly that is fixed in computer housing inside, or the some of computer housing.Circuit board 30 has several location holes 31 and several button holes 32.Base plate 10 is provided with several reference columns 11, several strutting pieces 12 and several fixed hubs 13.Reference column 11 is arranged at base plate 10, in order to the location hole 31 that passes circuit board 30, with locating circuit board 30, circuit board 30 is placed and is fixed in position correct on the base plate 10.Generally speaking, fixing circuit board 30 comprises fixing circuit board 30 in the horizontal level of base plate 10 and circuit board 30 can not rotated along its normal on base plate 10, therefore, the quantity of reference column 11 is at least two, and corresponding to two location holes 31, but its quantity is not as limit.When circuit board 30 is positioned on the base plate 10, and after making each reference column 11 pass its pairing location hole 31, just can circuit board 30 can not moved horizontally on base plate 10 in horizontal direction fixing circuit board 30.

Consult Fig. 2 and shown in Figure 3 again, strutting piece 12 is arranged at base plate 10, and in order to the bottom surface of contact circuit plate 30, support circuit plate 30 and makes circuit board 30 base plate 10 1 spacings and can not contacting with each other at interval on base plate 10.Strutting piece 12 is in order to the solder joint of avoiding circuit board 30 bottom surfaces or metallic circuit contact base plate and be short-circuited, therefore the material of making strutting piece 12 is best with the insulating material, for example rubber or foam, but also can adopt metal to make, as long as selected strutting piece 12 and circuit board 30 position contacting are avoided strutting piece 12 contact solder joint or metallic circuits.

Consult figure, Fig. 3, Fig. 4 and shown in Figure 5, fixture 20 is long flat, and has an axis hole 21, uses for an axostylus axostyle 41 and passes, and insert the fixed hub 13 of base plate 10, fixture 20 to be set rotationally on base plate 10.Fixture 20 has more a holding part 22, a stopper section 23, reaches a plectrum 24.Holding part 22 is a projection, protrudes in the bottom surface of fixture 20, near the front end of fixture 20.The button hole 32 of holding part 22 in order to buckle into circuit board 30 so that fixture 20 is held in circuit board 30, and makes circuit board 30 can not move towards the direction away from base plate 10.Stopper section 23 is a flexure strip, protrude in the bottom surface of fixture 20, in order to when holding part 22 is held in button hole 32, the lateral edges of backstop circuit board 30 flexibly, make circuit board 30 position that is fixed securely, can not rock in horizontal direction because of the tolerance between location hole 31 and the reference column 11.Plectrum 24 protrudes in the end face of fixture 20, stirs for user's finger, with rotational fixture 20.In present embodiment, each side of circuit board 30 all have several fixtures 20 with corresponding so that circuit board is fixed on the base plate 10 securely.So, in fact, because the reference column 11 of base plate 10 has passed the location hole 31 of circuit board 30, the fixed effect of the direction of having exhibited standard, so as long as the quantity of fixture 20 is one, restricting circuits plate 30 gets final product away from the displacement of base plate 10.

Shown in Fig. 6 A and Fig. 6 B, if be an installation region with the zone definitions of the projection of circuit board 30 on base plate 10, then reference column 11 is arranged in the installation region, but its position do not limit, and only need get final product in correspondence with each other with the location hole 31 of circuit board 30.Strutting piece 12 also is to be distributed in the installation region.Location axle sleeve 13 then is positioned at the outside, edge of installation region, so that fixture 20 is arranged at the outside of installation region rotationally, and can be rotated the top of leaving installation region (or circuit board 30), present and the parallel state in circuit board 30 edges, for installing or dismounting circuit board 30.

Shown in Fig. 7 A and Fig. 7 B, when circuit board 30 is placed on the base plate 10, and after making the reference column 11 of base plate 10 pass the location hole 31 of circuit board 30, circuit board 30 is set at the installation region.Then with plectrum 24 rotational fixture 20, the free end that makes fixture 20 is towards circuit board 30 tops, to allow holding part 22 move towards the button hole 32 of circuit board 30, also allow simultaneously stopper section 23 towards the edge of circuit board 30 against.

With reference to Fig. 8 A, Fig. 8 B and shown in Figure 9, after fixture 20 was turned to circuit board 30 tops, fixture 20 was suppressed in the end face of circuit board 30, makes circuit board 30 can not break away from base plate 10 with fixing circuit board 30.The holding part 22 of fixture 20 also can buckle into the button hole 32 of circuit board 30, fixture 20 is fixed in the end face of circuit board 30.Stopper section 23 is the lateral edges of backstop circuit board 30 flexibly, makes circuit board 30 position that is fixed securely, can not rock in horizontal direction because of the tolerance between location hole 31 and the reference column 11.

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, a kind of circuit board fixing device in order to fix a circuit board, is characterized in that, this circuit board fixing device comprises:

One base plate supports this circuit board thereon, and this base plate is provided with several reference columns, passes this circuit board to locate this circuit board; And

At least one fixture is arranged at this base plate rotationally, and is held in an end face of this circuit board.

2, circuit board fixing device according to claim 1 is characterized in that, this fixture the side of position corresponding to this circuit board be set.

3, circuit board fixing device according to claim 1 is characterized in that, this base plate has several strutting pieces, contact the bottom surface of this circuit board, and the support circuit plate is on this base plate.

4, circuit board fixing device according to claim 1 is characterized in that, this fixture has an axis hole, uses for an axostylus axostyle and passes and insert this base plate.

5, circuit board fixing device according to claim 4 is characterized in that, this base plate has a fixed hub, is located on this base plate, and this axostylus axostyle passes the axis hole of this fixture and inserts this fixed hub.

6, circuit board fixing device according to claim 1 is characterized in that, this fixture has a holding part, protrudes in a bottom surface of this fixture, in order to buckle into a button hole of this circuit board.

7, circuit board fixing device according to claim 1 is characterized in that, this fixture has a stopper section, protrudes in the bottom surface of this fixture, in order to a side of this circuit board of backstop flexibly.

8, circuit board fixing device according to claim 1 is characterized in that, this fixture has a plectrum, protrudes in an end face of this fixture, stirs for user's finger, to rotate this fixture.