CN101715282B

CN101715282B - Fixing member

Info

Publication number: CN101715282B
Application number: CN2008102115945A
Authority: CN
Inventors: 林彦成
Original assignee: Inventec Corp
Current assignee: XUZHOU LIFANG ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO., LTD.
Priority date: 2008-10-08
Filing date: 2008-10-08
Publication date: 2012-05-23
Anticipated expiration: 2028-10-08
Also published as: CN101715282A

Abstract

The invention relates to a fixing member used for enabling a heat radiator to be fixedly arranged on a circuit board in a casing and enabling the heat radiator to mate to a heating component of the circuit board. The fixing member comprises a fixed seatand a holding piece, wherein the fixes seat is arranged on the circuit board; the holding piece is pivoted on a lateral plate of the casing; and when the holding member rotates towards the fixes seat, the assembling bucking part of the holding member is buckled on a buckling piece of the fixes seat so that the heat radiator mates with a heating assembly and is fixedly arranged on the circuit board.

Description

Fixed component

Technical field

The present invention relates to a kind of fixed component, particularly a kind of in order to the fixed component of installing radiator on circuit board.

Background technology

Along with the processing speed of Computing system now progresses greatly day by day, the electronic building brick in the computer installation improves constantly like the serviceability of central processing unit (Central Processing Unit, CPU)).When computer installation is under the full load state, the thermal source that electronic building brick produced also increases thereupon, if this thermal source fails in time to loose to remove, then may cause the paralysis crisis of computer installation, and therefore, how solving this heat dissipation problem just becomes an important topic.

Solve the mode of electronic building brick heat dissipation problem at present; As being example with the central processing unit; One radiator is installed usually to dispel the heat on central processing unit; Its utilize a fixture with radiator closely pressure holding in central processing unit and fix, to avoid on the spontaneous thermal source of radiator slippage or to get loose, so that dispel the heat effectively.The mode that general fixture commonly used is used fastener or screw closure is to be fixedly arranged on radiator on the central processing unit.Like mode with fastener; It is in the peripheral sheathed holder of central processing unit; Again radiator is attached on the heating face of central processing unit; Utilize the snapping of fastener and holder that radiator is applied contention effect again, make the radiator pressurized and closely fit in the heating face of central processing unit, so that stable being fixedly arranged on the holder of radiator to reach preferable radiating effect.

Yet, because in the fastening process of fastener and holder, the application of force that is pressed on radiator because of fastener is unequal, and can't closely contact with central processing unit really, and then influences radiating effect.What is more, because of user's the application of force improper, the as easy as rolling off a log damage that causes radiator, circuit board or central processing unit.

And the mode of employing screw closure; Then be on radiator, to offer a plurality of perforates; And on the circuit board that is provided with central processing unit, offer screw corresponding to this perforate; When radiator fits in central processing unit,, fit in central processing unit closely to make radiator by the screw of the screw closure that is arranged with spring in circuit board.Though this mode can effectively make radiator be fixed on the central processing unit, precisely because also exist the uneven problem of the application of force, simultaneously, if the situation of circuit board fracture excessively then takes place in screw closure easily.

Therefore, prior art is improper because of application of force inequality or the application of force easily, and makes radiator can't effectively fit in central processing unit, or causes the damage of radiator, central processing unit and circuit board.In addition; Because assemblies such as fastener and screws, be the tiny assembly that is separated with radiator and circuit board etc., in installing or dismantle in the process of radiator; As easy as rolling off a logly lose because of careless manipulation (as the ground of dropping), and then let the user when assembling, produce meaningless puzzlement.

Summary of the invention

In view of above problem; The present invention provides a kind of fixed component; Be fixedly arranged in the operating process of circuit board with the improvement radiator; Because of application of force inequality or the improper problem that causes central processing unit or circuit board damage of the application of force, and the composition assembly of fixed structure is too numerous and diverse, and forms the problem that assembly is lost because of careless manipulation easily.

The present invention discloses a kind of fixed component, with so that radiator is installed on the circuit board in the casing, fits each other with the heat generating component on seasonal radiator and the circuit board.Except being installed with circuit board, have more side plate in the casing.

Fixed component of the present invention includes a holder and a retaining piece.Holder is arranged at circuit board and is installed with heat generating component, and another side of the relative housing side wall of holder has a fastener.Retaining piece has corresponding to one group of button portion of fastener and is adjacent to group button portion both sides and two symmetrical elastic arms, and these elastic arms are hubbed on the side of side plate with respect to holder.When radiator fits in heat generating component; Elastic arm pivots towards the direction of holder; And be fastened on the fastener of holder with group button portion, and elastic arm compresses radiator and radiator is fixed on the circuit board, so that radiator closely and stably fits in heat generating component.

The fixed component that the present invention disclosed; When using, the direction of retaining piece towards holder pivoted; And the group button section of utilizing retaining piece is fastened on the fastener of holder,, and is fixed on the circuit board and fits tightly with heat generating component in holder by elastic arm compacting that radiator is firm.The fixed form of this kind radiator, it is average that the strength that puts on the radiator is obtained, and reaches simultaneously and avoid because of the improper damage that causes relevant spare parts such as circuit board of the application of force.And need not use extra fixed fastener, also need not use the mode of screw closure to fix, therefore, fixed component of the present invention has been simplified the fixed form of complicacy in the prior art, and makes the user more convenient in operation.

Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.

Description of drawings

Shown in Figure 1 is the perspective exploded view of first embodiment of the invention;

Shown in Figure 2 is the partial schematic diagram of the holder of first embodiment of the invention;

Shown in Figure 3 is the solid combination sketch map of first embodiment of the invention;

Shown in Figure 4 is the partial schematic diagram of the holder of first embodiment of the invention;

Shown in Figure 5 is the perspective exploded view of second embodiment of the invention;

Shown in Figure 6 is the partial schematic diagram of the holder of second embodiment of the invention;

Shown in Figure 7 is the solid combination sketch map of second embodiment of the invention; And

Shown in Figure 8 is the partial schematic diagram of the holder of second embodiment of the invention.

Wherein, Reference numeral

10 radiators

20 circuit boards

30 heat generating components

40 casings

41 side plates

411 axis holes

50 holders

501 open-works

51 fasteners

510 grabs

511 vertical sections

512 arc sections

513 guiding faces

514 buckling partss

520 baffle plates

521 limiting sections

60 retaining pieces

61 groups of button portions

611 snapping sections

612 releasing sections

613 against section

62 elastic arms

621 articulate section

622 stretch sections

623 sections of compressing

Embodiment

Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:

Fixed component of the present invention is in electronic installations such as computer and holder for TV playing; In order to radiator is fixedly arranged on the circuit board in the casing of electronic apparatus; So that fitting closely, radiator is located at the heat generating component on the circuit board; The heat of high temperature that makes heat generating component when computer operating, produced can be discharged by radiator fast, takes place because of the overheated situation of damaging to avoid heat generating component.This heat generating component refers to that central processing unit (CPU) or chip (chip) can distribute the electronics spare part of heat of high temperature when equaling computer operating, more than is merely to illustrate, not as limit.

Fig. 1 and shown in Figure 2 be the schematic perspective view of first embodiment of the invention.The fixed component that first embodiment of the invention disclosed is used for radiator 10 is fixedly arranged on the circuit board 20 in the casing of electronic apparatus 40, simultaneously the casing 40 of this electronic installation have one offer a plurality of axis holes 411 side plate 41.

Fixed component of the present invention comprises a holder 50 and a retaining piece 60.Holder 50 is the pedestal that central authorities offer open-work 501, and is fixedly arranged on the periphery of the heat generating component 30 of circuit board 20, makes heat generating component 30 be located in the holder 50 and is exposed to outside the open-work 501.Holder 50 has a fastener 51 with respect to another side of the side plate 41 of casing 40; This fastener 51 comprises two grabs 510 and a baffle plate 520; Two grabs 510 are located at the two opposite sides of baffle plate 520 respectively, and grab 510 also has vertical section 511 and one arc section 512, and vertically an end of section 511 is connected in holder 50; The other end extends to form arc section 512, and the outer surface of arc section 512 and inner surface form a guiding face 513 and a buckling parts 514 respectively.

Please continue to consult Fig. 1 and Fig. 2; The material of retaining piece 60 is selected from the flexible metal material of tool; For example ferrous metal or copper metal; Retaining piece 60 has the group button portion 61 corresponding to fastener 51, and two elastic arms 62 that are adjacent to these group button portion 61 both sides, and elastic arm 62 is symmetrical form and is connected in group button portion 61 two ends.Wherein, group button portion 61 also has two snapping sections 611 and a releasing section 612, and releasing section 612 two ends connect two snapping sections 611 respectively, and elastic arm 62 has pivot joint section 621, one stretch section 622 and the section of compressing 623 in regular turn.Pivot joint section 621 1 ends are hubbed at the axis hole 411 of casing 40 side plates 41; The other end is connected with stretch section 622; Stretch section 622 is not connected in the section of compressing 623 with the other end that pivot joint section 621 is connected; And the end that the section of compressing 623 does not connect stretch section 622 is connected in the snapping section 611 of organizing button portion 61, makes retaining piece 60 form a U type structure.Therefore, when pivot joint section 621 pivots with respect to side plate 41, can in the lump drive stretch section 622, section of compressing 623 and group button portion 61 relative circuit board 20 in casing 40 swing back and forth.

See also Fig. 1, Fig. 3 and shown in Figure 4; According to the fixed component of first embodiment of the invention, during operation radiator 10 is placed on the heat generating component 30 of circuit board 20, and heat generating component 30 is fitted each other therewith; Retaining piece 60 pivots with respect to side plate 41; Making elastic arm 62 and group button portion 61 move towards the direction of holder 50, when the stretch section 622 of elastic arm 62 is resisted against side plate 41, and the section of compressing 623 is when being contacted with radiator 10; Releasing section 612 to group button portion 61 applies a downforce towards holder 50; Form the elastic force that material itself is had to overcome elastic arm 62, and make the section of compressing 623 of elastic arm 62 that radiator 10 is suppressed on heat generating component 30, and fit in heat generating component 30 closely.Because two elastic arms 62 of retaining piece 60 are symmetrical setting, therefore the section of compressing 623 compacting simultaneously of two elastic arms 62 makes the press power that acts on the radiator 10 reach the average effect of the application of force on radiator 10.

When the section of compressing 623 of elastic arm 62 is suppressed in radiator 10; The group button portion 61 of retaining piece 60 is resisted against the fastener 51 of holder 50; And group button portion 61 is slipped in the buckling parts 514 of arc section 512 by the guiding of the guiding face 513 of grab 510, makes group button portion 61 receive the section of compressing 623 and is the formed reaction force of opposing press power, and be held in buckling parts 514; For this reason; Radiator 10 is suppressed in holder 50 by the elastic arm 62 of retaining piece 60, and is held in buckling parts 514 and firm being fixed on the circuit board 20 of holder 50 through group button portion 61, and fits in heat generating component 30 closely.

According to the fixed component that the present invention disclosed; The elastic arm quantity that wherein holding parts had is decided by the pattern of the radiator of institute desire assembling, and for example the pattern of radiator is that radiating fin is positioned at the radiator both sides; And has a pattern of a groove in central authorities; Can adopt the unitary elasticity arm to be hubbed at side plate, and fit in the groove, and make radiator be pressed in holder with the section of compressing of elastic arm.

See also the schematic perspective view of Fig. 5 and second embodiment of the invention shown in Figure 6.The second embodiment of the invention and first embodiment are structurally roughly the same, therefore, below only just between the two different place explain.The fixed component of second embodiment of the invention comprises a holder 50 and a retaining piece 60; The fastener 51 that is arranged on the holder 50 has two grabs 510 and a baffle plate 520; Two grabs 510 are arranged at the two opposite sides of baffle plate 520 respectively; And have a limiting section 521 on the baffle plate 520, as shown in Figure 7, limiting section 521 is convexly set in the end that baffle plate 520 does not connect holder 50.Retaining piece 60 has the group button portion 61 corresponding to fastener 51, and two elastic arms 62 that are adjacent to group button portion 61 both sides, and elastic arm 62 is symmetrical form and is connected in group button portion 61 two ends.Wherein, group button portion 61 also has two snapping sections 611 and against section 613, is connected to two snapping sections 611 against the two ends of section 613, and is connected with elastic arm 62 with snapping section 611, and make retaining piece 60 formation one U type structure.

Like Fig. 6 and shown in Figure 8; When operation; Radiator 10 is placed and is fitted in the heat generating component 30 on the circuit board 20, is arranged at the retaining piece 60 on casing 40 side plates 41 by rotation, and group button portion 61 is moved towards the direction of holder 50; And be resisted against the grab 510 of fastener 51 with snapping section 611; Apply this moment one towards the downforce of holder 50 in the section of compressing 623 of elastic arm 62, make the snapping section 611 of group button portion 61 receive the influence of the guiding face 513 of grab 510, and be directed slipping into buckling parts 514 in arc section 512; With season group button portion 61 be held in the limiting section 521 of baffle plate 520 against section 613, make the group button portion 61 of retaining piece 60 be limited to the fastener 51 of holder 50.Simultaneously; The section of compressing 623 of elastic arm 62 is suppressed radiator 10 on heat generating component 30; And elastic arm 62 forms a reaction force for the downforce that opposing is applied towards holder 50; Make the snapping section 611 of group button portion 61 and, be held in the buckling parts 514 of fastener 51 respectively against section 613, and the limiting section 521 of baffle plate 520.

Therefore, radiator 10 receives the compacting of elastic arm 62 and fits in heat generating component 30 closely, and is limited to the fastener 51 of holder 50 by the group button portion 61 of retaining piece 60, and makes radiator 10 be fixedly arranged on circuit board 20.And because two elastic arms 62 that retaining piece 60 is provided with are symmetrical setting; Therefore the section of compressing 623 compacting simultaneously of two elastic arms 62 is in radiator 10; And the press power that puts on the radiator 10 is distributed on the radiator 10 uniformly, the improper or unequal damage that causes circuit board 20 of the application of force when avoiding operating because of the application of force.

The fixed component that the present invention disclosed; When operation, only need rotate the retaining piece that is hubbed at housing side wall; And radiator is suppressed on heat generating component with the elastic arm of retaining piece; Be interlocked by the group button portion of retaining piece and the fastener of holder, to make radiator be fixed on the circuit board and to fit in heat generating component closely.Therefore, fixed component of the present invention need not use extra fastener (like spare parts such as screw, gim pegs) can the radiator installing be fixed on the circuit board, in the process of operation, can not produce the component part of fastener, because of the easy problem of losing of careless manipulation.Simultaneously, owing to use two symmetrical elastic arms to suppress radiator, therefore make radiator in fixedly the time, the application of force on radiator obtains average, can effectively reduce the risk that causes circuit board and heat generating component to damage because of the application of force is improper.

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

Claims

1. fixed component; With so that a radiator is installed on the circuit board, and make the heat generating component on this radiator and this circuit board fit each other, this circuit board is arranged in the casing; And has side plate in this casing; This side plate has an axis hole, it is characterized in that, this fixed component includes:

One holder is arranged at this circuit board and is installed with this heat generating component, and this holder another side of this side plate relatively has a fastener; And

One retaining piece; Have one group of button portion and at least one elastic arm that should fastener; This elastic arm one end connects should organize button portion, and the other end is hubbed in this axis hole of this side plate, and when this group button portion is fastened on this fastener; This elastic arm is pressed against this radiator, makes this radiator be fixedly arranged on this circuit board and this heat generating component of fitting.

2. fixed component according to claim 1 is characterized in that, this elastic arm has one in regular turn and articulates section, a stretch section and the section of compressing; And this side plate has an axis hole; This pivot joint section is hubbed at this axis hole, and connects this section of compressing by this stretch section, and this section of compressing is in order to compress this radiator.

3. fixed component according to claim 1 is characterized in that, this fastener has an at least one grab and a baffle plate, and this grab is arranged at a side of this baffle plate, and this group button portion has at least one snapping section, and this snapping section is in order to fasten this grab.

4. fixed component according to claim 3; It is characterized in that; This grab also has one vertical section and an arc section, and end of this vertical section is connected in this holder, and this arc section extends to form from the other end that is somebody's turn to do vertical section; And the outer surface of this arc section forms a guiding face, and the inner surface of this arc section forms a buckling parts.

5. fixed component according to claim 3 is characterized in that this baffle plate has a limiting section, and this group button section also has one against section, should fasten this grab in this snapping section against section, is held in this limiting section.

6. fixed component according to claim 1 is characterized in that, this retaining piece has two these elastic arms, the both sides that are arranged at this group button portion that this two elastic arm is symmetrical, and respectively the end connection of this elastic arm should be organized button portion, and the other end is hubbed at this side plate.