CN2420674Y

CN2420674Y - Fixer for CPU radiator

Info

Publication number: CN2420674Y
Application number: CN 00231377
Authority: CN
Inventors: 陈仰霄
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-31
Filing date: 2000-03-31
Publication date: 2001-02-21
Anticipated expiration: 2010-03-31

Abstract

The utility model relates to a fixer for a CPU radiator, which is made of metal wires. A structure body of the fixer for a CPU radiator extends downwards from a movable rod and is bended into an inserting end, wherein the upper part of the inserting end is wide, and the lower part of the inserting end is narrow. Then the structure body extends upwards and linearly, and an operating rod is formed. Then the structure body is rewound downwards and helically from the top end of the operating rod, and a spring section is formed. The movable rod and the operating rod are positioned on the inner edge of the spring portion, and the inserting end is positioned at the bottom end of the spring portion. A spacing portion is formed on top of the inserting end at the wider position, the width of the spacing portion is larger than the inner diameter of a buckling hole of a PC board, and the inserting end is fastened under the buckling hole of the PC board. The spring portion is positioned above a fixing hole of a radiator, and the radiator is fastened on the PC board. The effects the cost is low, and the assembly and the disassembly are convenient when the utility model is used can be achieved.

Description

The cpu heat fixture

The utility model relates to a kind of computer CPU radiator fixture.

As shown in Figure 1, the CPU1 of desktop computer is convenient for plug, be to be intercalated in a connector 2 (PGA runners) earlier mostly, and then mat connector 2 is fixedly connected on PC plate 3; And CPU1 can produce high temperature when running, the heat that produces when operating for the CPU1 that leaves, and this CPU1 top is provided with heating radiator 4 again, is dispelled the heat behind the heat that enables to produce by heating radiator 4 absorption CPU1.

Above-mentioned heating radiator 4 is stacked in the CPU1 top, and CPU1 is because of being intercalated on the connector 2, and between the PC plate 3 height fall is arranged, when therefore heating radiator 4 being fixed on the CPU1 top, but mat fastener 5 as shown in the figure, extend the edge of button hook downwards by heating radiator 4 edges, or button hook is on connector 2, to finish the fixing of heating radiator 4 in CPU1.

Fastener 5 structures shown in Figure 1 are very simple, can utilize plastic cement one ejection formation and a large amount of the manufacturing, do not need to process in addition, so have advantage with low cost again.Only this fastener 5 be only applicable to that CPU1 is intercalated on the connector 2 and and the place of height fall is arranged between the PC plate 3, when being directly connected in PC plate 3, just can't be suitable for for CPU1.

As shown in Figure 2, primarily considering in the notebook computer design is to save the space, enable to reach target light, that approach, be easy to carry about with one, therefore its element is to use surface adhesive type element (SMD) mostly, just directly utilize surface adhering technology (SMT) that CPU1 is fixed on the PC plate 3, to save the space.

This structure that directly CPU1 is fixed on the PC plate 3, fold on PC plate 3 because CPU1 is flat, the aforesaid fastener of confession very close to each other fastens, therefore when heating radiator 4 combines with CPU1, just must on heating radiator 4 and PC plate 3, dig and establish corresponding fixed orifice 61, button hole 62, and fastened by fastening post 7, it is superimposed in the CPU1 end face that heating radiator 4 is able to, and give and be fixed in PC plate 3.

This structure that fastens post 7 is shown in Fig. 2,3, the top is provided with a cap head 71, shaft is arranged with a spring 72, the bottom is then for being flechette-type and the top external diameter buckling end 73 greater than fixed orifice 61, button hole 62 without exception, and this buckling end 73 has opening, makes the buckling end 73 outer elasticity of opening that contracts in having.During use, pressure cap head 71 and make buckling end 73 to bottom offset when buckling end 73 is displaced to the fixed orifice 61 that is resisted against heating radiator 4, is able to reduced outside diameter owing to buckling end 73 has opening, so can pass this fixed orifice 61; After buckling end 73 passed fixed orifice 61 on heating radiator 4 and the PC plate 3, button hole 62 in regular turn, buckling end 73 elasticity was again opened outward and is fastened in button hole 62 belows of PC plate 3, so can superimposed heating radiator 4 at the CPU1 end face be fixed on the PC plate 3 by fastening post 7.In addition, the effect of spring 72 is after fastening post 7 is fastened on heating radiator 4 and PC plate 3, provides elastic acting force to make heating radiator 4 energy closely superimposed at the CPU1 end face.

Above-mentioned fastening post 7 only needs an action of pushing when being fixed in heating radiator 4, really can reach effect easy to use, but still have following shortcoming:

When 1, desire is dismantled heating radiator, must utilize pliers will fasten the buckling end clamping of post by PC plate below, can take out after making the buckling end reduced diameter, and PC plate bottom is the orlop that is positioned at notebook computer casing, so just must earlier the PC plate be pulled down during desire dismounting heating radiator, the ability convenient construction, the shortcoming that has dismounting to bother.

After need offering mould earlier when 2, this fastening post is made, utilize mould with plastic rubber ejaculate molding again, and then the spring housing that will make in addition fastening on the post, it is offered mould and incurs a considerable or great expense, and adds required man-hour of sheathed spring and expense, and its cost is heightened.

This creator is because the shortcoming of above-mentioned known fastening post on use and cost, be to be engaged in the practical experience that Related product manufactures and designs for many years according to it, through after constantly studying and improveing, can develop the utility model cpu heat fixture eventually, the shortcoming of the known technology of forgoing.

Be that fundamental purpose of the present utility model provides a kind of cpu heat fixture that forms with the metal wire coiling, heating radiator must be used hold to be fixed in the PC plate, and can reach effect with low cost, easy accessibility when using.

In specific words, the utility model cpu heat fixture is to turn to one by metal wire, be fixed on the PC plate that is provided with button hole in order to the heating radiator that will have fixed orifice, its structure is extended downwards by motion bar, and be bent into insertion end wide at the top and narrow at the bottom, upwards straight line extends to form operating bar again, and in the operating bar top downwards spiral unroll and form spring portion, make motion bar and operating bar be positioned at spring portion inner edge, insertion end then is positioned at spring portion bottom; Broad place, above-mentioned insertion end top forms limiting section, its width is greater than the button hole internal diameter of PC plate, make insertion end be fastened in the button hole below of PC plate, spring portion then is positioned at the fixed orifice top of heating radiator, is fixed in the PC plate but heating radiator mat the utility model fixture is held.

Advantage of the present utility model is as follows:

1, fixture is to turn to one by metal wire, need not open expensive mould when making, and does not also need other job sequence, therefore has cost-effective effect.

2, the utility model fixture is when dismounting, only need to touch by the side of fixture, can make the limiting section condensation at insertion end top by the continuous action relation of operating bar, motion bar and PC plate button hole, and then make insertion end break away from the button hole of PC plate, very convenient when dismounting, and when touching,, therefore also do not have misoperation and the problem that comes off accidentally if poor direction really promptly can't dismantle by the side of fixture.

Below further combined with accompanying drawing and preferred embodiment the utility model is done one and describes and enable more to understand in depth structure of the present utility model and effect in detail;

The accompanying drawing simple declaration:

Fig. 1 is known heating radiator is incorporated into CPU by fastener a three-dimensional exploded view;

Fig. 2 is known heating radiator is fixed in the PC plate by the fastening post a three-dimensional exploded view;

Fig. 3 is known heating radiator is fixed in the PC plate by the fastening post a side sectional view;

Fig. 4 is the three-dimensional exploded view of the utility model fixture and CPU, heating radiator;

Fig. 5 is the utility model fixture view of apparatus;

Fig. 6 is the side sectional view that the utility model fixture and heating radiator, PC plate do not make up as yet;

Fig. 7 is the side sectional view of the utility model fixture and heating radiator, PC plate anabolic process;

Fig. 8 is the side sectional view that the utility model fixture and heating radiator, the combination of PC plate are finished;

Fig. 9 is the action synoptic diagram () of the utility model dismounting fixture;

Figure 10 is the action synoptic diagram (two) of the utility model dismounting fixture;

Figure 11 is the side sectional view that the utility model fixture breaks away from the PC plate;

Figure 12 adds the synoptic diagram of a cap when being the enforcement of the utility model fixture;

Figure 13 adds the synoptic diagram of a sleeve when being the enforcement of the utility model fixture.

As Fig. 4, shown in Figure 5, the utility model cpu heat fixture 10 is to turn to one by metal wire, its structure is extended downwards by motion bar 11, and after being bent into insertion end wide at the top and narrow at the bottom 12, upwards straight line extends to form operating bar 13 again, and in operating bar 13 tops downwards spiral unroll to form spring portion 14, make motion bar 11 and operating bar 12 be positioned at spring portion 14 inner edges, 12 of insertion ends are positioned at spring portion 14 bottoms; Broad place, above-mentioned insertion end 12 top forms limiting section 15, and the width of limiting section 15 is greater than fixed orifice 61, button hole 62 internal diameters of heating radiator 4 and PC plate 3, make insertion end 12 be fastened in button hole 62 belows of PC plate 3, and spring portion 14 external diameters are greater than fixed orifice 61 internal diameters of heating radiator 4, be positioned at fixed orifice 61 tops of heating radiator 4, be fixed in PC plate 3 but superimposed heating radiator 4 mat the utility model fixtures 10 in the CPU1 top end face are held.

As shown in Figure 6, the utility model cpu heat fixture 10 is to be arranged on earlier on the fixed orifice 61 of heating radiator 4; Because limiting section 15 width of insertion end 12 are greater than fixed orifice 61 internal diameters of heating radiator 4, thus fixed orifice 61 belows that limiting section 15 is positioned at heating radiator 4 worked as, and spring portion 14 is when being positioned at fixed orifice 61 tops of heating radiator 4, and fixture 10 does not have the problem that comes off; At this moment, heating radiator 4 is superimposed in the CPU1 top end face, and make button hole 62 contrapositions of fixed orifice 61 with the PC plate 3 of heating radiator 4, push by fixture 10 tops and can make insertion end 12 be fastened on the button hole 62 of PC plate 3, and finish the fixing of heating radiator 4.

As shown in Figure 7, because the aforementioned metal line makes progress the straight line extension with after forming operating bar 13 in insertion end 12, spiral unrolls to form spring portion 14 downwards again, when therefore pushing fixture 10 tops, can directly force in operating bar 13 tops, and make insertion end 12 to bottom offset, simultaneously compression spring portion 14; When being inserted into end 12 and being displaced to limiting section 15 sides downwards and being resisted against the button hole 62 of PC plate 3, because insertion end 12 top opposite sides are motion bar 11, so can make the direction skew of motion bar 11 to operating bar 13, make the limiting section 15 of insertion end 12 form condensed state simultaneously, then limiting section 15 can pass the button hole 62 of PC plate 3.

As shown in Figure 8, because being metal wire bending extensions, insertion end 12 forms, has elasticity, therefore after limiting section 15 passes the button hole 62 of PC plate 3, insertion end 12 is an elastic reset, make limiting section 15 revert to the state of width, cause insertion end 12 to be held in the below of the button hole 62 of PC plate 3 greater than button hole 62; In addition, spring portion 14 external diameters are positioned at this fixed orifice 61 tops greater than the fixed orifice 61 of heating radiator 4, and pushed and had elastic restoring force, therefore when insertion end 12 is held in the below of button hole 62 of PC plate 3, spring portion 14 keeps an acting force that heating radiator 4 is pressed down, it is closely superimposed above CPU1 that heating radiator 4 is able to, and makes the snap action of finishing fixture 10.In other words, by the utility model fixture 10 that heating radiator 4 is superimposed when the CPU1, only need a push action to finish; Certainly, also the same push action when as shown in Figure 6 fixture 10 being set in advance on the fixed orifice 61 of heating radiator 4, do not give unnecessary details in addition at this.

As shown in Figure 9, the utility model is when dismounting fixture 10, be to touch by the side application of force, the direction of the application of force is to be pushed away towards motion bar 11 by operating bar 13 outsides, at this moment, because motion bar 11 lateral borders are resisted against button hole 62 inner edges, so operating bar 13 is when motion bar 11 is drawn close, can make the limiting section 15 of insertion end 12 be compressed and condensation, insertion end 12 also can slightly inclined simultaneously.

In this mandatory declaration be, if the direction of the application of force is not in a manner mentioned above, for example push away by the direction of motion bar 11 outside application of forces toward operating bar 13, then directly be not connected with spring portion 14 because of motion bar 11, so thrust can't make the direction displacement of motion bar 11 to operating bar 13, the limiting section 15 of insertion end 12 also can't be compressed and condensation, therefore just can't form state as shown in Figure 9.

As shown in figure 10, aforementioned operating bar 13 is drawn close to motion bar 11, make the limiting section 15 of insertion end 12 be compressed and condensation, simultaneously insertion end 12 also can slightly inclined, when treating that limiting section 15 is pushed through width less than button hole 62 internal diameters, owing to remaining on compressed state always, aforesaid spring portion 14 has acting force upwards, so its acting force will be with insertion end 12 upwards drawings at this moment, make insertion end 12 break away from the button hole 62 of PC plates 3 automatically and to top offset, be returned to the state (Figure 11) that insertion end 12 is fastened in fixed orifice 61 belows of heating radiator 4, thus, just removed the connection status of heating radiator 4, heating radiator 4 can be dismantled very easily with PC plate 3.

As shown in figure 12, the utility model also can add a cap 17 on the top of fixture 10 when implementing, or as shown in figure 13 at spring portion 14 peripheral sheathed sleeves 18; Make more attractive in appearancely in appearance, only this kind embodiment belongs to add ons, and all according to the utility model characteristic principle and slightly equivalences of element are replaced or be additional, must be within the technical solutions of the utility model scope.

Claims

1, a kind of cpu heat fixture, be fixed on the PC plate that is provided with button hole in order to the heating radiator that will have fixed orifice, it is characterized in that: this fixture is to turn to one by metal wire, its structure is extended downwards by motion bar, and be bent into insertion end wide at the top and narrow at the bottom, upwards straight line extends to form operating bar again, and in the operating bar top downwards spiral unroll and form spring portion, motion bar and operating bar are positioned at spring portion inner edge, and insertion end then is positioned at spring portion bottom; Broad place, insertion end top forms limiting section, its width is greater than the fixed orifice of heating radiator and the button hole internal diameter of PC plate, insertion end is fastened in the button hole below of PC plate, and spring portion external diameter is greater than the fixed orifice internal diameter of heating radiator, be positioned at the fixed orifice top of heating radiator, superimposed heating radiator in the CPU top end face used held and be fixed in the PC plate.

2, cpu heat fixture as claimed in claim 1, it is characterized in that: the top of fixture is provided with a cap.

3, cpu heat fixture as claimed in claim 1 is characterized in that: fixture is provided with a sleeve in the outer race of spring portion.