CN2271728Y

CN2271728Y - CPU cooling fin fixing device

Info

Publication number: CN2271728Y
Application number: CN 96240340
Authority: CN
Inventors: 李联荣
Original assignee: Huangpin Industry Co ltd
Current assignee: Huangpin Industry Co ltd
Priority date: 1996-09-13
Filing date: 1996-09-13
Publication date: 1997-12-31
Anticipated expiration: 2006-09-13

Abstract

A fixing device for the heat radiating fins of CPU is composed of a group of female and male fasteners matched with the fastening structure on ZIF connector for fixing the heat radiating fins to the surface of CPU, and a group of female and male fasteners with an inverted L-shaped vertical wall for fastening the vertical wall of one end to the fastening block at another end of connector and a straight slot at another end of said female fastener.

Description

The central processing unit radiating fin fixing device

The utility model relates to the stationary installation of central processing unit heat radiator, relates in particular to two-piece type central processing unit radiating fin fixing device.

Large-scale integrated circuit such as central processing unit generally all need be provided with independently heat radiator, though in order to the device that heat radiator is fixed on the central processing unit surface different structure kenels is arranged on the market at present, purpose all is that heat radiator can be fixed on the central processing unit surface really effectively, and then whether good show is decided on its structure design as for the effect of reaching.Aftermentioned is shown in Figure 5, " the simple and easy buckling device (3) of computer cpu heat radiator " for No. the 270561st, the novel patent in Taiwan, it promptly is a kind of existing central processing unit heat radiator fixed sturcture, this structure principal feature is to fix heat radiator with two fasteners, mainly fall the pressboard 80 of L shaped shape relatively and formed with buckling plate 85 by being respectively, end at pressboard 80 forms the side plate 81 that extends to vertical direction, on side plate 81, form opening 82, for fastening, form two groove 83 and locating slots 84 that are right-angled intersection respectively in its other end again, locating slot 84 is to wear button for buckling plate 85.

Buckling plate 85 has horizontal plane 86, reaches vertical side plate 87, the dual-side of side plate 87 is down inclination, form groove 88 respectively in the both sides, stage casing again, and lower end forms opening 89, mainly be to pass and insert downwards from the locating slot 84 of pressboard 80 other ends to fall skewed side plate 87, the side plate 87 for the treatment of buckling plate 85 is inserted into the middle section, and promptly groove 88 correspondences with these both sides, place embed on the both sides cell wall of locating slots 84, to finish the combination of the two.

Can find out how to utilize above-mentioned fastener to fix heat radiator by aftermentioned Fig. 6, mainly be across on heat radiator 96 with pressboard 80, and be fastened on the button piece 980 of connector 98 1 ends with side plate 81 upper sheds 82, utilize the plane 86 of Pressing fastener plywood 85, side plate 87 is pressed down, the opening 89 of side plate 87 lower ends is fastened on the button piece 980 of connector 98 other ends.

Though above-mentioned fastening structure can be fixed on heat radiator on the central processing unit surface, but still there is following shortcoming:

(1) fastening stability is undesirable, be that said structure is the buckling device of two-piece type, pressboard 80 wherein is the locating slots 84 with the one end, wear button for buckling plate 85, but pressboard 80 forms groove 83 at same end to be communicated with locating slot 84, purpose is to give locating slot 84 with to a certain degree telescopic resilience, be convenient to the smooth insertion of buckling plate 85, but this kind is created in the telescopic resilience of binding site, will make the marriage relation of pressboard 80 and buckling plate 85 present non-steady state, as when carrying out landing test, if buckling plate 85 touches ground, just may break away from connector 98 and pressboard 80 respectively, so the stability of its combination is obviously undesirable.

(2) clinching of buckling plate action is not convenient, be exactly buckling plate 85 be to be buckled in the locating slot 84 of pressboard 80 other ends with its side plate 87, should in cover mode because the side plate 87 that makes buckling plate 85 in locating slot 84 time, because of its plane 86 long to the arm of force of 88 of grooves, to cause inside and outside beat (shown in the dot-and-dash line of Fig. 6) arbitrarily, when its side plate 87 lower ends are outwards inclined to one side, promptly can't detain upper lump 980 smoothly, and cause operational inconvenience.

From the above, above-mentioned being used for is fixed on the lip-deep two-piece type buckling device of central processing unit with heat radiator, no matter all be further improved on fastening stability and mode of operation.

Therefore, the utility model purpose mainly is to provide a kind of making in conjunction with stable radiating fin fixing device.

According to central processing unit radiating fin fixing device of the present utility model, comprise a mother buckle and a sub-fastener, described mother buckle roughly is down L shaped shape, its horizontal ends central part forms a compression part, be connected formation one vertical component effect at mother buckle compression part one end again, be formed with a catching groove in the vertical component effect lower end

Described sub-fastener roughly is down L shaped shape, comprises the button portion and a vertical component effect of a horizontal direction, and this vertical component effect lower end forms catching groove, and its characteristics are:

This mother buckle forms a slot in compression part the other end, for the sub-fastener of eye-splice,

Vertical component effect both sides at this sub-fastener are recessed into a suitable distance respectively respectively relatively from suitable height to the bottom, and make the width of vertical component effect equal the flute length of slot on the mother buckle, and form level retaining edge simultaneously respectively in upper end, vertical component effect both sides.

Go out in the place, below of vertical component effect lateral surface central authorities and corresponding level retaining edge again and form a bead,

The stationary installation of described central processing unit heat radiator, its characteristics also are: make the bead on this sub-fastener protrude in the vertical component effect lateral surface, and bead is the upper end form of falling the slope thick and that successively decrease to the lower end for its thickness.

The stationary installation of above-mentioned central processing unit heat radiator, its characteristics are again: be formed with an aperture on the press section of this sub-fastener.

Buckling structure of the present utility model is to be combined with the slot 14 of mother buckle 10 1 ends to compel the mode of inserting by the vertical component effect 22 of sub-fastener 20, so can obtain reliable marriage relation, even when landing test, meet with any crash behavior, mother also can not taken place,

sub-fastener

10,20 breaks away from easily mutually or leave connector 40, so have the effect of strong bonded.

Formation level respectively retaining edge 220 and bead 25 on the vertical component effect 22 of factor fastener 20 again, thus after it inserts the slot 14 of mother buckle 10, the advantages of good positioning effect that can have by said two devices, and can be in operating process any beat.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

To brief description of drawings:

Fig. 1 is the exploded perspective view of the utility model structure,

Fig. 2 is expression the utility model, the mother buckle synoptic diagram in conjunction with the part,

Fig. 3 is an expression assembled sectional view of the present utility model,

Fig. 4 is the stereographic map after the combination of expression the utility model,

Fig. 5 is the exploded perspective view of the traditional central processing unit heat radiator fixed sturcture of expression.

Fig. 6 is the combination vertical view of the traditional central processing unit heat radiator fixed sturcture of expression.

The utility model example structure includes a mother buckle 10 and a sub-fastener 20 as shown in Figure 1, utilizes mother,

sub-fastener

10,20 heat radiator 30 can be fixed on central processing unit 50 surfaces that are plugged on the ZIF connector 40; Wherein: on heat radiator 30 surfaces, form many rows fins 31 arranged side by side, and form smooth passage 32 with proper width in central authorities or two side positions, can be for mother buckle 10 across on it, in the present embodiment, form smooth passage 32 in the centre of heat radiator 30.

Connector 40 is the zero insertion force formula of generally using at present (ZIF), central authorities relatively and side edge at its front and back ends

form button piece

41,42 respectively, hold on it for aforesaid mother,

sub-fastener

10,20 buttons, in the present embodiment, only utilize the button piece 41 of the relative centre of connector 40 front and back ends, hold for female,

sub-fastener

10,20 buttons respectively.

Because of above-mentioned heat radiator 30 is prior art with connector 40, be not described in detail at this.

Above-mentioned mother buckle 10 roughly is down L shaped shape, its central part has one section suitable length and is the compression part 11 of level, in order to press smooth passage 32 surfaces on heat radiator 30, make but compression part 11 two ends respectively obliquely upward to extension, be connected formation vertical component effect 12 at the one end, form catching groove 13 in vertical component effect 12 lower ends, can be on the button piece 41 that is held on connector 40 corresponding end.

Be formed with the slot 14 of a word shape on the other end end of extending obliquely upward of compression part 11, this slot 14 has suitable groove width, and is mutual vertical slot 14 for the sub-fastener 20 of eye-splice with compression part 11.

Sub-fastener 20 also is down L shaped shape, comprise press section 21 that is positioned at horizontal direction, confession pressing operation and the vertical component effect 22 that is positioned at vertical direction, on press section 21, form aperture 23, can place for small-sized pointed instrument, carry out push action to assist, make a recessed relatively suitable distance in vertical component effect 22 both sides respectively to the bottom from suitable height, and the width that makes vertical component effect 22 just equals the flute length of slot 14 on the mother buckle 10, make the vertical component effect 22 of sub-fastener 20 be passed the slot 14 of mother buckle 10, and keep off edge 220 in upper end, vertical component effect 22 both sides formation level respectively simultaneously.

Vertical component effect 22 lower ends at sub-fastener 20 form catching groove 24, on the button piece 41 of detaining another corresponding end that is held in connector 40.

Below place's punching press in vertical component effect 22 lateral surfaces central authorities and corresponding level retaining edge 220 forms bead 25, as shown in Figure 2, make this bead 25 protrude in vertical component effect 22 lateral surfaces, and becoming thickness is the upper end form of falling the slope thick and that successively decrease to the lower end, this vertical component effect 22 the thickness of bead 25 upper ends always greater than mother buckle 10 on the groove width of slot 14, therefore, when inserting on the mother buckles 10 slot 14 with the vertical component effect 22 of sub-fastener 20, only the application of force makes bead 25 pass through slot 14 along its slope slightly, with rear flange 25 upper end sidewalls with backstop in slot 14 inner side slot edge, 220 blocks of level retaining edge of vertical component effect 22 upper ends are in slot 14 outer side slot edge, sub-fastener 10 is combined as a whole with mother buckle 20 reliably, and can break away from once again after the combination.

By Fig. 3,4 can find out and utilize above-mentioned mother,

sub-fastener

10,20 make heat radiator 30 be incorporated into the enforcement state on central processing unit 50 surfaces, mainly be earlier central processing unit 50 to be inserted on the connector 40, and heat radiator 30 placed on central processing unit 50 surfaces, the compression part 11 that makes mother buckle 10 is across 32 in the smooth passage that places heat radiator 30, and the button piece 41 of catching groove 13 and connector 40 1 ends on mother buckle 10 vertical component effects 12 is fastened, the press section 21 of pushing sub-fastener 20 with thumb or instrument makes its vertical component effect 22 glide along the inclined-plane, the outside of the set button piece 41 in connector 40 corresponding positions subsequently, and then make catching groove 24 hooks on button piece 41, finish the fixed installation of heat radiator 30 whereby.

This moment mother buckle 10 central authorities compression part 11 with downward fastening heat radiator 30, heat radiator 30 bottom surfaces and central processing unit 50 are surperficial closely to be contacted and make, to obtain desirable thermal energy conduction passage.

Above-mentioned fastening structure is that the vertical component effect 22 of sub-fastener 20 is combined with the slot 14 of mother buckle 10 1 ends to compel the mode of inserting, so can obtain reliable marriage relation, even when landing test, meet with any crash behavior, mother also can not taken place,

sub-fastener

10,20 breaks away from easily mutually or leave connector 40, so have the effect that makes in conjunction with firm.

Again because of formation level respectively on the vertical component effect 22 of sub-fastener 20 retaining edge 220 and bead 25, thus behind the slot 14 that is inserted into mother buckle 10, make the two have advantages of good positioning effect by above-mentioned, and can be in operating process any beat.

Claims

1 one kinds of central processing unit radiating fin fixing devices comprise a mother buckle and a sub-fastener, and described mother buckle is down L shaped shape, form a compression part at its horizontal ends central part, end in this mother buckle compression part is connected formation one vertical component effect, forms a catching groove in this vertical component effect lower end

Described sub-fastener is down L shaped shape, and it contains the button portion and a vertical component effect of a horizontal direction, forms catching groove in this vertical component effect lower end, it is characterized in that:

Form a slot in the other end of described mother buckle compression part, for the sub-fastener of eye-splice,

The recessed relatively respectively suitable distance from suitable height to the bottom respectively in the vertical component effect both sides of described sub-fastener makes the width of vertical component effect equal the flute length of slot on the mother buckle just, and form a level respectively in upper end, vertical component effect both sides simultaneously and keep off edge,

Go out in the place, below of these vertical component effect lateral surface central authorities and corresponding level retaining edge again and form a bead.

2 central processing unit radiating fin fixing devices according to claim 1 is characterized in that: make the bead on the described sub-fastener protrude in the vertical component effect lateral surface, and bead is that its thickness is the upper end form of falling the slope thick and that successively decrease to the lower end.

3 central processing unit radiating fin fixing devices according to claim 1 is characterized in that: form an aperture on the press section of described sub-fastener.