CN2368068Y - Buckling device for radiating-fin of central processing unit - Google Patents

Abstract

The utility model relates to a fastening device for radiating fins of a central processing unit. Two containing passages are formed among a plurality of fins of the radiating fins, two push-and-pull pieces slide into guide rail grooves arranged on both sides of the two containing passages to be positioned, and the two push-and-pull pieces can be pushed and pulled by a prearranged distance; when the upper surface of the central processing unit is abutted with a leaning surface, four convex columns of a fixing seat can penetrate through orderly four corresponding penetrating holes which are arranged on a circuit board and four through holes which are contained in the containing passages, ring grooves which are arranged on the convex columns are arranged in circular holes of the push-and-pull pieces, and a holding section is pushed forward to make the ring grooves of the ring grooves move to the free end along with the bending ends of the guide rail grooves of inclined elastic pieces to form the shape of downward elastic buckling so that the push-and-pull pieces and the fixing seat can hold with elasticity the circuit board and the radiating fins which are arranged between the push-and-pull pieces and the fixing seat. Therefore, the utility model has the effects of easy operation, low cost and stable holding.

Description

The buckling device of central processing unit heat radiator

The utility model relates to a kind of device on the heat radiator, especially relates to a kind of buckling device of central processing unit heat radiator, makes between central processing unit and the heat radiator mutually closely near being beneficial to central processing unit heat energy is in time distributed.

The central processing unit manufacturer of computer is a main flow with Intel (InteL) now, now main force's commodity of Sheng Chanzhizaoing are the PENTIUMII central processing unit, but this kind processor is compared with previous generation central processing unit PENTIUM, its calculation function is more powerful, and speed is also fast, and its global shape, structure reaches with the motherboard connected mode and has all given prominence to traditional form, it is the major reform of computer industry, the calculation function of hypervelocity because central processing unit PENTIUMII of new generation carries under one's arms, the temperature that also makes central processing unit be produced when handling operational order is higher, so how to utilize good cooling system to make central processing unit operate as normal under its allowable temperature, be the very important problem of this area, how removing to meet central processing unit structure of new generation just becomes all heating radiator fabricators institute at the direction of studying.

Referring to shown in Figure 6, be the three-dimensional exploded view of the heat radiator of usefulness, the novel patent application case of the heat radiator buckling device of this heating radiator central processing unit of No. 87204064 that to be the applicant propose to Taiwan Patent Office on March 19th, 98.It mainly protrudes out at an end of heat radiator and forms several and have the projection of larger-diameter cephalic par, can be on each projection for wearing circuit board with central processing unit, at circuit board one end one worker's shape sheet can be set, on worker's shape sheet, the both sides, lower end are formed with oblique plate respectively, be formed with horizontal raindrop shape hole and slotted hole on each oblique plate respectively, form L-shaped fin respectively outwardly in the slotted hole both sides, between last, can be provided with one between the corresponding fin of next group is seen by side-looking and to present L shaped push-pull piece, on push-pull piece inside, following place also is formed with one group of raindrop shape hole that presents vertical arrangement, when the aperture place that each projection is formed by raindrop respectively limits, can borrow worker's shape sheet that central processing unit and heat radiator are fastened mutually and be one, reaching certain radiating effect, and have to use and fasten advantage easily.But the comparatively complicated and installing of its structure of its is difficulty in when assembling, in addition, after its overall package is finished, its bottom worker's shape sheet is metal elastic strip body, as the circuit board bottom side with central processing unit is when having other circuit board or other electronic equipment to exist in addition, just very easily when moving main frame, when producing skew slightly, just can form and touch and produce short-circuit conditions, if can make buckling device when not occupying the bottom space of too many central processing unit, can allow this kind buckling device convenient more, by on know, it is big that this buckling device accounts for central processing unit bottom side area, and dress easy to break etc. is not the shortcoming that this spline structure has.

The purpose of this utility model is: utilize to be formed with two holding channels between the plural fin on the heat radiator, and two push-pull pieces are contained in the guide-track groove of both sides locate, so be located in circuit board and the perforation heat radiator holding channel of central processing unit when the projection on the holder after, can be simultaneously to just in each circular port positions of two push-pull pieces, see through push-pull piece displacement forward again, and can directly the annular groove on the projection be pushed the rail groove terminal position of broad by circular port, and to make the inclination shell fragment simultaneously be point of fixity and be a downward elastic deformation towards free end with the bending end, hold power to have a processing ease with low cost and clamping is firm to reach integral body and had an elasticity button, advantage such as do not take up space substantially.

The utility model is achieved in that the buckling device of this central processing unit heat radiator comprises, heat radiator, push-pull piece, holder and circuit board are arranged, wherein two push-pull pieces are ccontaining being positioned on the heat radiator in two holding channels between plural fin, four projections on the seat board of holder pass in four perforation of the saturating emptying aperture of circuit board and holding channel from bottom to top in regular turn, and the central processing unit upper surface of circuit board is adjacent on the joint surface below the heat radiator.This is positioned at the two interior push-pull pieces of two holding channels of heat radiator top, can be in the guide-track groove of the both sides of holding channel push-and-pull displacement one give and establish distance, when not promoting, annular groove on each projection on the seat board of holder is to the circular port position on each push-pull piece just, so after directly promoting the grip part, annular groove on the projection is moved towards free end by the tilt bending end of rail groove of shell fragment of push-pull piece, and make this inclination shell fragment be the buckling state of a downward elastic deformation, reach loading and unloading easily with this, do not take up space and have the effect of firm clamping.The rail groove end of on the inclination shell fragment, offering, detent with a depression, this detent is slightly larger than the diameter on the annular groove top of each projection, the circular port in the outside of inclination shell fragment is for vertically running through and being formed with a profile groove, and protrude out a slightly wide arc holding portion outside the two lamellar body laterals by this profile groove, after inserting the both sides guide-track groove of holding channel on the heat radiator, can catch on its guide-track groove outside end face upper-part in order to each push-pull piece.The grip part of two push-pull pieces, it can be linked is one, can make a fastening simultaneously or unclamp action in order to two push-pull pieces.

The contrast of the utility model and prior art get good effect be: because the central processing unit heat radiator buckling device of existing design is to form two holding channels between the plural fin of heat radiator, and slip in its both sides guide-track groove with push-pull piece and to locate, and energy push-and-pull displacement one is given and is established distance, after the upper surface of central processing unit supports the subsides joint surface, four projections that just can a holder pass in four perforation of the four saturating emptying apertures of circuit board of corresponding setting and holding channel in regular turn, and make annular groove on each projection be positioned at the circular port place of each push-pull piece, the annular groove that promotes the grip part forward again and make projection moves and presents downward elasticity towards free end along the bending end of rail groove on the inclination shell fragment and fastens shape, but and make the two circuit board and heat radiator of push-pull piece and holder resilient clamp, reach processing ease with this, with low cost, and the effect that clamping is firm, and do not account for the central processing unit bottom space substantially.

Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is described:

Fig. 1 is a three-dimensional exploded view of the present utility model

Fig. 2 is the action cut-open view before fastening of the present utility model

Fig. 3 is the action cut-open view behind fastening of the present utility model

Fig. 4 is the front sectional elevation behind fastening of the present utility model

Fig. 5 is the side cutaway view behind fastening of the present utility model

Fig. 6 is the three-dimensional exploded view of the heat radiator of usefulness

Be depicted as three-dimensional exploded view of the present utility model as Fig. 1-2, can be by being clear that among the figure that it includes heat radiator 1, push-pull piece 2, holder 3, circuit board 4 is formed, the appropriate location that each fin of heat radiator 1 is 11 is provided with the holding channel 13 of two broads, and the down either side of each holding channel 13 all has a guide-track groove 131 that outwards caves in, and the width that makes both sides guide-track groove 131 is slightly larger than the width of push-pull piece 2, can move freely within it in order to push-pull piece 2, and holding channel 13 is provided with four saturating empty perforation 14 (see figure 2)s, and four perforation 14 be to just in four projections, 32 positions of holder 3, convex with a smooth joint surface 12 again in heat radiator 1 bottom, and this joint surface 12 can be fitted with the surfacing of central processing unit 41.

Push-pull piece 2 is strip lamellar bodies, the top has the two inclination shell fragments of tiltedly stretching 24, its surface, top is offered the rail groove 23 of a hollow towards bending end 24a than inner side by free end 24b, and has a detent that caves inward 241 endways, and by bending end 24a in addition side extended a circular port 22, a profile groove 21 runs through in circular port 22 places that will be positioned at push-pull piece 2 the place aheads again, and the outside, the both sides of this profile groove 21 lamellar body outwards protrudes out a slightly wide arc holding portion 26, fold a grip part 25 at push-pull piece 2 other lateral bendings, and the entire length of this push-pull piece 2 should surpass the length of the holding channel 13 of heat radiator 1.

Holder 3, its below is the seat board 31 of a hollow elliptical, and convexes with four projections 32 above it, make the distance of each projection 32 corresponding with four open-works 42 of circuit board 4, and each projection 32 top is the annular groove 321 that is provided with an indent.

Circuit board 4, its upper surface has a central processing unit 41 at least, and four saturating emptying apertures 42, as with PENTIUMII, its circuit board 4 bottoms and a side are the L shaped plastic casing that is fixed with an insulation usefulness, understand because of in the utility model, only doing a narration, so unlikely so limit usable range of the present utility model for other member of collocation.

As Figure 1-3, when the utility model is assembled, earlier the holding portion 26 of two push-pull pieces 2 is pushed at both sides guide-track groove 131 places of holding channel 13 on the heat radiator 1, at this moment, be slightly larger than the width of both sides guide-track groove 131 because of the distance of two holding portions 26, so just being a crimp to the profile groove 21 of centre, two holding portions 26 push easily in order to push-pull piece, and after two holding portions 26 pass holding channel 13, just can make the 26 outside reinstatements of two holding portions, and two outboard ends that catch on guide-track groove 131 are done a location, so four projections 32 on holder 3 are from bottom to top in regular turn towards each the saturating emptying aperture 42 that is oppositely arranged, after perforation 14 penetrates, just make the annular groove 321 of each projection 32 be arranged in the circular port 22 of push-pull piece 2, be pushed forward into grip part 25 again, even smaller rail groove 23 is a guiding displacement along annular groove 321, make annular groove 321 holdings in rail groove 23 ends and detent 241, this moment, its inclination shell fragment 24 was fastened on rail groove 23 ends of smaller external diameter because of annular groove 321, and the bending end 24a by inclination bullet 24 moves to the free end 24b that tiltedly stretches, and make inclination shell fragment 24 be an elastic deformation downwards, can make holder 3 and push-pull piece 2 tightly clamp circuit board 4 and do fixing a use with heat radiator 1, and form heat energy that upper surface (shown in Fig. 4-5) that heat radiator 1 below joint surface 12 is close to central processing unit 41 produces when the action in order to conduction central processing unit 41 to heat radiator 1, so far, whole utility model has been assembled.

In addition, projection 32 because of holder 3, perforation 14 threes' of the saturating emptying aperture 41 of circuit board 4 and heat radiator 1 position is corresponding offering, so can be aligned with each circular port 22 position on the push-pull piece 2 in the guide-track groove 131 after 14 easily when the projection 32 of holder 3 penetrates emptying aperture 41 and bores a hole, just can make the annular groove 321 on projection 32 tops of holder 3 present fastening or releasing orientation easily so assembler only need see through the push-and-pull of grip part 25.

Push-pull piece of the present utility model 2 is for directly to be positioned in the both sides guide-track groove 131 of holding channel 13 on the heat radiator 1, and the holding portion 26 of push-pull piece 2 is when pushing against the outside of guide-track groove 131, the circular port 22 of its push-pull piece 2 is just 14 relative with respectively boring a hole of holding channel 13 bottoms, and four projections 32 that make holder 3 promptly directly make the annular groove 321 of four projections 32 highly be aligned with circular port 22 positions of push-pull piece 2 after the perforation 14 of saturating emptying aperture 42 that passes circuit board 4 and heat radiator 1, by on know, it need not align each component hole position, so assembling fast, and can regard heat radiator 1 and push-pull piece 2 as an assembly, the seat board 31 of its circuit board 4 bottom holders 3 only occupies as thin as a wafer the thickness of (because of being fit-state) relatively, so the utility model can reach loading and unloading easily, do not take up space and have the effect of firm resilient clamp strength.

Claims (4)

1, a kind of buckling device of central processing unit heat radiator, by heat radiator, push-pull piece, holder and circuit board are formed, wherein two push-pull pieces are ccontaining being positioned on the heat radiator in two holding channels between plural fin, four projections on the seat board of holder are served as reasons down and are upwards passed in regular turn in four perforation of saturating emptying aperture of circuit board and holding channel, the central processing unit upper surface of circuit board is adjacent on the joint surface below the heat radiator, it is characterized in that: the push-pull piece energy push-and-pull displacement one in the both sides guide-track groove above heat radiator in the holding channel is given and is established distance, on each projection annular groove is arranged on the seat board of holder, align the circular port position on each push-pull piece, on push-pull piece, also have grip part and inclination shell fragment, rail groove on the inclination shell fragment.

2, buckling device according to claim 1 is characterized in that: described inclination shell fragment, the rail groove end on it are the detents with a depression, and this groove is slightly larger than the diameter on the annular groove top of each projection.

3, buckling device according to claim 1 is characterized in that: the circular port in its outside of described inclination shell fragment is for vertically running through and be formed with a profile groove, and protrudes out a slightly wide arc holding portion outside the two lamellar body laterals by this profile groove.

4, buckling device according to claim 1 is characterized in that: the grip part of described push-pull piece can link together two push-pull pieces.

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