CN1983577A - Fastener of radiator - Google Patents

Fastener of radiator Download PDF

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Publication number
CN1983577A
CN1983577A CN 200510137036 CN200510137036A CN1983577A CN 1983577 A CN1983577 A CN 1983577A CN 200510137036 CN200510137036 CN 200510137036 CN 200510137036 A CN200510137036 A CN 200510137036A CN 1983577 A CN1983577 A CN 1983577A
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CN
China
Prior art keywords
fastener
extension
heat abstractor
direction groove
radiating fin
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Granted
Application number
CN 200510137036
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Chinese (zh)
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CN100444366C (en
Inventor
何清
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HUAXIN PRECISION CO Ltd
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HUAXIN PRECISION CO Ltd
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Application filed by HUAXIN PRECISION CO Ltd filed Critical HUAXIN PRECISION CO Ltd
Priority to CNB2005101370365A priority Critical patent/CN100444366C/en
Publication of CN1983577A publication Critical patent/CN1983577A/en
Application granted granted Critical
Publication of CN100444366C publication Critical patent/CN100444366C/en
Expired - Fee Related legal-status Critical Current
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The invention is concerned with the buckle of the radiating equipment, it is: the radiating equipment is with several radiating fins and a motherboard, the radiating fins is with at least one first direction groove and at least one second direction groove; the buckle includes the first extending part located at the first direction groove is with the clamping part clamp with the motherboard; the second extending part located at the second direction groove connects with the first extending part; the third extending part connects with the second extending part and makes a angle with the plane that forms by the first extending part and the second extending part, the third extending part is also with buckle hook to connect the fixture in order to fix the radiating equipment.

Description

Be suitable for the fastener of heat abstractor
Technical field
The present invention is relevant for a kind of fastener, is meant especially a kind ofly to apply in the heat abstractor fastener that can be assembled easily.
Background technology
Flourish along with electronic technology, various chip is used in the electronic equipment widely, in order to carry out various operations.And in the operation of chip, chip itself tends to produce high heat, influences its stability.Can maintain normal working temperature in order to ensure chip, all must on chip, install a heat abstractor additional, be dissipated in the external environment with heat with chip.
See also Fig. 1, it comprises a known heat abstractor 10, mostly heat abstractor 10 generally is to adopt the higher metal material of the coefficient of heat conduction, utilize the method for extrusion molding made, and can divide into a base plate (Base) 101 and extend a plurality of radiating fins (Fin) 102 that form from base plate 101 vertically upward.Base plate 101 lower surfaces can fit tightly with a chip (this figure does not show) surface, in order to conduction heat that chip sent, and by radiating fin 102 heat are distributed in the external environment.
And for aforesaid heat abstractor 10 can be fitted with chip surface closely, can the installing fastener in heat abstractor 10.As shown in this figure, there are two fasteners 11 to be installed in the heat abstractor 10.
Fastener 11 is made of a wire rod, and has the middle line segment 111 of a bending.Be embedded in the bottom of radiating fin 102 with this middle line segment 111 that bends, fastener 11 engaged with heat abstractor 10, and be fixed in the heat abstractor 10.And can utilize the clasp that end had of two fasteners 11, and fasten the chip carrier at chip place or a fixture of circuit board (as fixing clasp), heat abstractor 10 can be fitted with chip surface closely, conduct heat.
For understanding the manner of aforesaid fastener 11 and radiating fin 102 more, please continue to consult Fig. 2, it is the end view of aforementioned heat abstractor.
In a plurality of radiating fins 102, the part radiating fin can be divided into a radiating fin 102a with projection, radiating fin 102a has the projection 103 of horizontal protrusion in the position near the bottom.Between projection 103 and base plate 101 surfaces, form accommodation space, can embed for fastener 11.
In fastener 11 was combined in heat abstractor 10, its mid line section 111 just in time embedded the accommodation space of projection 103 belows, and by the alignment restrictions of projection 103, whole fastener 11 was closely buckled in the heat abstractor 10.Because the two ends of fastener 11 form an angle with the fastener portion that embeds projection 103,11 of fasteners can be pulled, and it is fastened on the chip pad, thus, can heat abstractor 10 be fixed on the chip by fastener 11.
Yet, since the setting of projection 103, necessary spacing distance (S1 as shown in the figure and the S2 that increases radiating fin 102 and radiating fin 102a; S1 is the spacing distance between the general radiating fin, and S2 is provided with the spacing distance between the radiating fin that the radiating fin of projection is adjacent for this reason a bit).This reason is that its bottom is provided with projection 103 on the one hand, and needs to increase the spacing distance between the radiating fin 102; Then be on the other hand when follow-up assembling, need avoid projection 103 and be reserved with enough spaces and pass through, just can make fastener 11 put into and be embedded in projection 103 belows from radiating fin 102 tops smoothly for fastener 11.
But well known, the surface area that radiating fin contacts with air is big more, and its radiating effect is good more.The result that aforementioned spacing distance increases but can cause and can reduce for the space of setting up radiating fin, causes the radiating fin that only can install negligible amounts, and then has reduced the radiating effect of heat abstractor.
Especially flourish along with the electronic packaging technology, various now chip all is the target development with microminiaturization, precise treatment, multifunction, the heat that is given out is more surprising, it is more harsh to make that heat dissipation problem becomes, how in limited space, further promote radiating efficiency, become and be familiar with the direction that this operator endeavours.
Summary of the invention
For this reason, the present invention proposes a kind of fastener, does not need additionally to set up in heat abstractor special construction, can firmly this fastener be fixed in the heat abstractor.
Heat abstractor comprises base plate and the radiating fin above base plate, the base plate lower surface can with a heater element fluid-tight engagement, conduction heat that heater element sent is to radiating fin, so that heat is dissipated in the external environment.Radiating fin has at interval each other, and makes heat abstractor have at least one first direction groove and at least one second direction groove.
Then in order to aforesaid heat abstractor is held in the surface of a heater element, its material can adopt the wire rod of metal material made to fastener, makes it have pliability and recovery elasticity.Fastener is positioned at first direction groove and second direction groove, and its two ends respectively have a clasp in order to snapping one fixture with fixing heat abstractor, and fastener comprises a holding section, is to expose to outside the radiating fin, and is sticked in the base plate outer rim of heat abstractor.
If the structure of fastener is further distinguished, it can be divided into first extension, second extension and the 3rd extension again.First extension when implementing, places the first direction groove of heat abstractor, and an end of first extension comprises the base plate of aforesaid holding section in order to the engaging heat abstractor, then is connected to second extension in the other end.Second extension when implementing, place the second direction groove of heat abstractor, and the other end is connected to the 3rd extension.The 3rd extension links second extension, and it also accompanies an angle with plane that first extension and second extension are constituted, the end of the 3rd extension have aforesaid clasp in order to snapping one fixture to fix this heat abstractor.
In the present invention, because fastener can directly be fastened on the base plate outer rim of heat abstractor with its holding section, prevent to come off on its self-heat irradiation device.It needn't see through extra structure or special shape fixes fastener.Therefore can not influence in the heat abstractor, the spacing distance between each radiating fin, and set up more radiating fin, increase radiating efficiency.
For making advantage of the present invention and the spirit can be further revealed, now conjunction with figs. do one describe in detail as after.
Description of drawings
Fig. 1 is the schematic perspective view of a known heat abstractor and fastener.
Fig. 2 is the end view of that shown in Figure 1.
Fig. 3 A and Fig. 3 B are exploded perspective view and the upright schematic diagram of group of fastener first embodiment of the present invention.
Fig. 4 A is the end view shown in Fig. 3 B.
Fig. 4 B is the vertical view shown in Fig. 3 B.
Fig. 5 is the exploded perspective view of fastener second embodiment of the present invention.
Fig. 6 A is an end view shown in Figure 3.
Fig. 6 B is a vertical view shown in Figure 3.
Fig. 7 and Figure 8 shows that fastener of the present invention, the different execution modes of holding section wherein.
Embodiment
Fig. 3 A and Fig. 3 B show exploded perspective view of the present invention and the upright schematic diagram of group respectively, and it illustrates a heat abstractor 20 and two applicable to the fastener in this heat abstractor 21.
Mostly heat abstractor 20 generally is to adopt the higher metal material of the coefficient of heat conduction, as materials such as aluminium, copper, in one embodiment, can be the made radiator of method that utilizes extrusion molding, heat abstractor 20 comprises base plate (base) 201 and radiating fin above it (fin) 202, wherein base plate 201 and radiating fin 202 element that can be formed in one or separate.The lower surface of base plate 201 can and conduct the heat that heater element sends with a heater element fluid-tight engagement, in an embodiment, heater element can be an electronic chip, and electronic chip and base plate 201 also can see through the heat that thermal grease is combined closely and sent with the conduction electron chip.Base plate 201 also is dissipated into heat in the external environment by radiating fin 202, in one embodiment, radiating fin 202 extends the laminated structure that forms for a slice vertically upward from base plate 201, wherein, radiating fin 202 has at interval each other, and make heat abstractor 20 have a plurality of grooves, in one embodiment, radiating fin 202 is to be the matrix-style ranks to arrange, that is be, in each row, a plurality of radiating fins 202 are arranged, identical in each row, a plurality of radiating fins 202 are also arranged, so heat abstractor 20 has at least one first direction groove 203 (or being called lateral trench) of interleaved forward each other, at least one second direction groove 204 (or claiming directly to groove).
Fastener 21 is in order to be held in aforesaid heat abstractor 20 on the surface of a heater element, and its material can adopt the wire rod of metal material made, and for example: multiple alloy, stainless steel makes it have pliability and recovery elasticity.Fastener 21 has first extension 211, when implementing, place an end of first direction groove 204, the first extensions 211 of heat abstractor 20 also to comprise the base plate 201 of holding section 2111, then be connected to second extension 212 at the other end in order to engaging heat abstractor 20.Second extension 212 when implementing, place the second direction groove 204 of heat abstractor 20, and the other end is connected to the 3rd extension 213.The 3rd extension 213, the plane that is constituted with first extension 211 and second extension 212 at angle, this angle is less than 180 degree, during default this angle, adjusts according to the pliability of 21 materials useds of fastener.And, the 3rd extension 213 have a clasp 2131 in order to snapping one fixture to fix this heat abstractor, clasp 2131 can be one " C " type structure in one embodiment, so also can be among other embodiment one the sealing annulus.
Shown in Fig. 3 B, when fastener 21 is inserted heat abstractor 20, and holding section 2111 exposes to outside the radiating fin 20, and is interlocked with the outer rim of heat abstractor 20.And under preferable situation, the outer rim of heat abstractor 20 in the position that is engaged corresponding to holding section 2111, also has a projection 205, and holding section 2111 can be sticked on the projection 205, makes fastener 21 and heat abstractor 20 be the tight fit state.
See also Fig. 4 A and Fig. 4 B.Fig. 4 A is the schematic side view of first embodiment of aforesaid heat abstractor.Fig. 4 B is the schematic top plan view of first embodiment of aforesaid heat abstractor.First extension 211 of fastener 21 is positioned at first direction groove 203.Second extension 212 is positioned at second direction groove 204.Make holding section 2111 outer being exposed at outside the radiating fin 20, and be fastened on the outer rim of heat abstractor 20.
Furtherly, because first extension 211 is to be connected with an angle of 90 degrees bending with second extension 212 between the two, second extension 212 also is to be connected with an angle of 90 degrees bending with the 3rd extension 213 between the two.That is be, fastener 21 is to form with reciprocal multistage bending, when it inserts heat abstractor 20, first extension can be subjected to the restriction of the radiating fin of first direction groove 203 both sides, rock and be difficult for skew, and second extension 212 also can be subjected to the restriction of the radiating fin of second direction groove 204 both sides, rocks and be difficult for skew.By this, increase the steadiness of fastener 21 in heat abstractor 20.And, prevent to break away from the fastener self-heat irradiation device and drop by the engaging of holding section 2111 and heat abstractor 20.It does not need the advantage that tool is auxiliary and can assemble easily except having, and also needn't install extra parts additional in heat abstractor 20, comes secondary fasteners 21 fixing, and can reduce the cost of making assembling.
The more important thing is, in the present invention, needn't set up extra structure or special shape in heat abstractor 20 inside, can not influence the spacing distance between the radiating fin 202, and be set up more radiating fin 202, increase radiating efficiency.
Heat abstractor of the present invention not only can the above embodiments be implemented, and cooperates the change of shape of radiating fin, and other execution mode also can be arranged certainly.See also Fig. 5, it is fastener second embodiment of the present invention.Its those shown comprises that a heat abstractor 30 and two are applicable to the fastener in this heat abstractor 31.
Radiating fin 30, comprise base plate (base) 301 and radiating fin above it (fin) 302, base plate 301 also is dissipated into heat in the external environment by radiating fin 302, different persons with last embodiment are, in each row of present embodiment, two radiating fins 302 are arranged, and in each row, a plurality of radiating fins 302 are arranged then.That is be that in the present embodiment, radiating fin has first direction groove 303 and many second direction grooves 304.
Fastener 31 has first extension 311 equally, when implementing, place an end of first direction groove 303, the first extensions 311 of heat abstractor 30 also to comprise the base plate 301 of holding section 3111, then be connected to second extension 312 at the other end in order to engaging heat abstractor 30.Second extension 312 when implementing, place the second direction groove 304 of heat abstractor 30, and the other end is connected to the 3rd extension 313.The 3rd extension 313 connects second extension 312, and the plane that is constituted with first extension 311 and second extension 32 at angle, and this angle is less than 180 degree, during default this angle, adjusts according to the pliability of fastener institute materials used.And, the 3rd extension 313 have a clasp 3131 in order to snapping one fixture to fix this heat abstractor.
See also Fig. 6 A and Fig. 6 B.Fig. 6 A is the schematic side view of first embodiment of aforesaid heat abstractor.Fig. 6 B is the schematic top plan view of first embodiment of aforesaid heat abstractor.First extension 311 of fastener 31 is positioned at first direction groove 303.Second extension 312 is positioned at this second direction groove 304, and holding section 3111 is exposed at outside the radiating fin 302 outward, and is fastened on the outer rim of heat abstractor 30.Same, first extension 311 is to be connected with an angle of 90 degrees bending with second extension 312 between the two, second extension 312 also is to be connected with an angle of 90 degrees bending with the 3rd extension 313 between the two.By the alignment restrictions of the both sides radiating fin of first direction groove 303 and second direction groove 304, can avoid first extension 311 and second extension 312 at heat abstractor 30 bias internals.
Aforesaid two embodiment have illustrated fastener of the present invention, in the heat abstractor that it was suitable for, and the change of shape of radiating fin, and different execution modes are arranged.That is, under different design requirements, can be according to the form difference of the groove that heat abstractor had, and the shape of change fastener, it can be placed between the radiating fin, and expose its fastening end and engage, be not limited in aforesaid execution mode with the heat abstractor outer rim.
In addition, holding section of the present invention, not only embodiment those shown as described above can also various mode implement, and is interlocked with the heat abstractor outer rim.As shown in Figures 7 and 8, illustrate other execution mode of holding section.
As shown in Figure 7, holding section 4 can be down " T " font.Or as shown in Figure 8, holding section 5 can be " J " font.Certainly, this only for illustrating, other various structures that holding section and heat abstractor outer rim are fastened all can apply among the present invention.
The above is to utilize different embodiment describing the present invention in detail, and it is not in order to limiting practical range of the present invention, and is familiar with present technique field person and all can understands, suitably make slightly modification still without departing from the spirit or scope of the invention.

Claims (10)

1. a fastener is applicable to a heat abstractor, and this heat abstractor has a plurality of radiating fins and a base plate, wherein has at least one first direction groove and at least one second direction groove between these a plurality of radiating fins, and this fastener comprises:
One first extension, part is positioned at this first direction groove, and this first extension also has a holding section and is sticked in this base plate;
One second extension is positioned at this second direction groove and is connected with this first extension; And
One the 3rd extension is connected in this second extension, and the plane that the 3rd extension and this first extension and this second extension are constituted at angle, and the 3rd extension also has a clasp, in order to fix this heat abstractor.
2. fastener as claimed in claim 1 is characterized in that, this first extension is to be connected with an angle of 90 degrees bending with this second extension between the two, and this second extension also is to be connected with an angle of 90 degrees bending with the 3rd extension between the two.
3. fastener as claimed in claim 1 is characterized in that this fastener is wire, is bent by a metal material wire rod to form.
4. fastener as claimed in claim 1 is characterized in that, this clasp is one " C " type structure.
5. fastener as claimed in claim 1 is characterized in that, is exposed at outside the holding section of this fastener outside this radiating fin, and is fastened on the outer rim of this heat abstractor.
6. fastener, be applicable to a heat abstractor, this heat abstractor has a plurality of radiating fins and a base plate, wherein have at least one first direction groove and at least one second direction groove between these a plurality of radiating fins, this fastener is positioned at this first direction and this second direction groove of groove, and its two ends respectively have a clasp in order to fixing this heat abstractor, and this fastener comprises:
One holding section exposes to outside these radiating fins, and is sticked in the base plate outer rim of this heat abstractor.
7. fastener as claimed in claim 6 is characterized in that this fastener is wire, is bent by a metal material wire rod to form.
8. fastener as claimed in claim 6 is characterized in that, is exposed at outside the holding section of this fastener outside this radiating fin, and is fastened on the outer rim of this heat abstractor.
9. fastener as claimed in claim 6 is characterized in that, this heat abstractor outer rim corresponding to the position that this holding section engaged, has more a projection, and this holding section can be sticked on this projection, makes this fastener and this heat abstractor be the tight fit state.
10. fastener as claimed in claim 6 is characterized in that, this first direction groove and this second direction groove, both interleaved forwards.
CNB2005101370365A 2005-12-12 2005-12-12 Fastener of radiator Expired - Fee Related CN100444366C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005101370365A CN100444366C (en) 2005-12-12 2005-12-12 Fastener of radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005101370365A CN100444366C (en) 2005-12-12 2005-12-12 Fastener of radiator

Publications (2)

Publication Number Publication Date
CN1983577A true CN1983577A (en) 2007-06-20
CN100444366C CN100444366C (en) 2008-12-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678812A (en) * 2012-05-07 2012-09-19 加弘科技咨询(上海)有限公司 Anti-vibration fixing structure and anti-vibration fan
CN101730447B (en) * 2008-10-21 2013-06-05 富准精密工业(深圳)有限公司 Heat dissipation device combination

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436798A (en) * 1994-01-21 1995-07-25 Wakefield Engineering, Inc. Spring clip and heat sink assembly for electronic components
CN2509641Y (en) * 2001-11-08 2002-09-04 友巨企业有限公司 Radiating device for chip
CN2534678Y (en) * 2002-02-07 2003-02-05 邓淑贞 Fixing device for radiating fins
CN2562230Y (en) * 2002-07-09 2003-07-23 鸿富锦精密工业(深圳)有限公司 Radiators
CN2599749Y (en) * 2002-11-14 2004-01-14 曜越科技股份有限公司 Radiator assembly
CN2634656Y (en) * 2003-07-04 2004-08-18 珍通科技股份有限公司 Improved heat radiator and fastener structure
CN2664345Y (en) * 2003-11-01 2004-12-15 鸿富锦精密工业(深圳)有限公司 Heat sink assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101730447B (en) * 2008-10-21 2013-06-05 富准精密工业(深圳)有限公司 Heat dissipation device combination
CN102678812A (en) * 2012-05-07 2012-09-19 加弘科技咨询(上海)有限公司 Anti-vibration fixing structure and anti-vibration fan
CN102678812B (en) * 2012-05-07 2015-03-04 加弘科技咨询(上海)有限公司 Anti-vibration fixing structure and anti-vibration fan

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