CN101466235A - Radiating device - Google Patents
Radiating device Download PDFInfo
- Publication number
- CN101466235A CN101466235A CNA2007101252989A CN200710125298A CN101466235A CN 101466235 A CN101466235 A CN 101466235A CN A2007101252989 A CNA2007101252989 A CN A2007101252989A CN 200710125298 A CN200710125298 A CN 200710125298A CN 101466235 A CN101466235 A CN 101466235A
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- CN
- China
- Prior art keywords
- screw rod
- heat abstractor
- circuit board
- radiator
- supporting pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a heat radiator used for heat dissipation of electronic components at one side of a circuit board, comprising a radiator block arranged on the electronic components, a back plate arranged at the other side of the circuit plate, and a fixing piece arranged on the radiator block, wherein, the fixing piece comprises a screw rod combined with the back plate; the fixing piece also comprises a supporting pad comprising a main part which leans against the radiator block and a supporting leg which leans against the circuit board. The screw rod is combined with the back plate by penetrating the main part of the supporting pad, so as to cause the radiator block to be fixed on the circuit board. As the supporting pad comprises the main part which leans against the radiator block and the supporting leg which leans against the circuit board, the raising of the radiator block is avoided during the installation process, and the safe and stable installation is ensured.
Description
Technical field
The present invention relates to a kind of heat abstractor, be meant a kind of heat abstractor that is used for electronic element radiating especially.
Background technology
Along with developing rapidly of electronic industry, increase substantially as the arithmetic speed of electronic component in the computer, the heat of its generation also increases severely thereupon, and how the heat with electronic component distributes, and to guarantee its normal operation, is the essential problem that solves of dealer always.As everyone knows, the central processing unit that is installed on the motherboard is the core of computer system, and when computer moved, central processing unit produced heat.Too much heat can cause central processing unit normally to move.For effectively distribute the heat that central processing unit produces in running.
Usually on central processing unit, install a heat abstractor additional in the prior art so that the heat of its generation is distributed.This heat abstractor is mainly by one being fixed in backboard that radiator, on the circuit board one side central processing unit places the circuit board opposite side, and connecting four screw rods in radiator four corners, these screw rods pass radiator, circuit board and backboard and screw togather, so that radiator is fixed on the central processing unit.Yet, radiator is being fixed in the installation process, tend to a fixing earlier wherein screw rod, fix other screw rod again.So, when the screw rod of installing earlier when effect firmly and the corner of this screw rod place radiator, radiator can tilt and other corner perks, causes installation not go up easily or potential safety hazard occurs.
Summary of the invention
In view of this, be necessary to provide a kind of energy steadily, be securely fixed in the heat abstractor on the circuit board.
One heat abstractor, be used for electronic element radiating to a side on the circuit board, it comprises that one places the radiator combination, on the electronic component to place the backboard of circuit board opposite side and a fixture to be installed in the radiator combination, this fixture comprises a screw rod that combines with backboard, this fixture also comprises a supporting pad, this supporting pad comprise one with radiator combination against main part and with circuit board against supporting leg, the main part that described screw rod passes supporting pad combines with backboard, so that the radiator combination is fixed on the circuit board.
Compared to prior art, the supporting pad of described heat abstractor comprise one with radiator combination against main part and with circuit board against supporting leg, avoided radiator to be combined in perk in the installation process of screw rod, what guaranteed to install is safe, stable.
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the heat abstractor of first embodiment of the invention.
Fig. 2 is the constitutional diagram of Fig. 1 heat abstractor.
Fig. 3 is a front view in Fig. 1 heat abstractor.
Fig. 4 is the schematic diagram of the supporting pad in Fig. 1 heat abstractor.
Fig. 5 is the schematic diagram of the supporting pad of second embodiment of the invention heat abstractor.
Embodiment
See also Fig. 1 to Fig. 2, be the heat abstractor (figure is mark not) of first embodiment of the invention.This heat abstractor is used for a heat-generating electronic elements 24 that is installed on the circuit board 20 is dispelled the heat, and this circuit board 20 is provided with all around the through hole 22 around this heat-generating electronic elements 24.This heat abstractor comprises radiator combination and four fixtures 60, and each fixture 60 combines with the radiator combination.In the present embodiment, each fixture 60 combines with the backboard 10 that is positioned at circuit board 20 another opposite sides and the radiator combination is fixed on the circuit board 20.
Radiator combination comprises that the radiator 30, of its bottom contact heating electronic component 24 is located at the fixed mount 40 on the radiator 30 and is fixed on a fan 50 on the fixed mount 40.Radiator 30 sides of being body setting, its four corner form four breach (figure is mark not).Fixed mount 40 comprises that one is located at the framework 44 of radiator 30 top and the cylindrical sleeve 42 that extends vertically downward from framework 44 4 corners, and each sleeve 42 correspondence is placed in four breach of radiator 30 and is provided with a centre bore that runs through 420.The diameter of the centre bore 420 on each sleeve 42 top is bigger than the diameter of the centre bore 420 of bottom, so the middle part of sleeve 42 formation one step surface (figure does not show) up.Fan 50 is fixed on the framework 44 of fixed mount 40 by four screws (figure is mark not).
Each fixture 60 is used to pass each sleeve 42 of fixed mount 40 and combines so that the radiator combination is fixing with barrel 16 that backboard 10 passes the through hole 22 of circuit board 20.Each fixture 60 comprises that a screw rod 62, is set in spring 64 on the screw rod 62 and a clip at the supporting pad 66 of screw rod 62 than lower curtate.
Described screw rod 62 comprises a rounded nose 620, a cylinder 622 and an engaging piece 624.This is provided with the cross recess that cooperates for operation tool above head 620, this cylinder 622 is arranged between head 620 and the engaging piece 624, and its girth diameter is little big than engaging piece 624 than head 620.This cylinder 622 is provided with an annular groove 6220 near the periphery, an end of engaging piece 624, with sheathed supporting pad 66.This annular groove 6220 radially has certain length along cylinder 622, moves radially certain distance for supporting pad 66 along cylinder 622.This cylinder 622 and rounded nose 620 opposite ends form an annular boss 6222, are installed in supporting pad 66 on the annular groove 6220 with clip.Engaging piece 624 peripheries are provided with screw thread, screw togather with the barrel 16 with backboard 10.
The slightly larger in diameter of above-mentioned spring 64 is in cylinder 622 diameters of screw rod 62 diameter less than screw rod 62 heads 620.This spring 64 is sheathed on the cylinder 622 near head 62 of screw rod 62.
See also Fig. 4, each supporting pad 66 comprises the main part 660 of a circle and three supporting legs 664 that extend vertically downward from these main part 660 outer rims, and these supporting legs 664 are evenly distributed on main part 660 outer rims.The external diameter of the sleeve 42 of the external diameter of this main part 660 and fixed mount 40 is roughly the same, thus sleeve 42 can with main part 660 mutually against.Main part 660 is provided with a centre bore 662, and the diameter of this centre bore 662 is identical with the diameter that the cylinder 622 of screw rod 62 is provided with annular groove 6220 parts.Also be provided with some slits 6620 on the main part 660, these slits 6620 are communicated with centre bore 662 and evenly are centered around around the centre bore 662, to increase the elasticity of main part 660, make main part 660 be provided with the part of annular groove 6220, and be fastened on this cylinder 622 and be not easy to get loose by the cylinder 622 that external force extruding is set in screw rod 62 down.Described supporting leg 664 has identical height, and has a smooth bottom surface 6640 so that supporting pad 66 can be reposefully with the end face of circuit board 20 against.
When needs are assembled in radiator on the circuit board 20, at first with each screw rod 62 sheathed upper spring 64, be arranged in the lump in the centre bore 420 of each sleeve 42 of fixed mount 40, wherein the engaging piece 624 of screw rod 62 and cylinder 622 stretch out near the part of engaging piece 624 and pass sleeve 42 bottoms, the rounded nose 620 of spring 64 1 ends and screw rod 62 is replaced, the step surface in the other end and the sleeve 42 against.Supporting pad 66 engages with the cylinder 622 that screw rod 62 stretches out sleeve 42 bottoms, and the cylinder 622 that makes supporting pad 66 be set in screw rod 62 is provided with the part of annular groove 6220.Because the bounce behind spring 64 pressurizeds impel screw rod 62 to move up, and the end face of the supporting pad 66 of clip on cylinder 622 and sleeve 42 bottoms is replaced, the annular boss 6222 of its bottom surface and screw rod 62 is replaced, thereby has retrained moving upward of screw rod 62.Therefore, comprise that the fixture 60 of screw rod 62, spring 64 and supporting pad 66 and radiator combination are closely linked.When four fixtures 60 all were installed on the sleeve 42, the entire radiator combination was placed on the circuit board 20 with fixture 60.At this moment, the supporting leg 664 of supporting pad 66 is resisted against around the through hole 22 of circuit board 20, and the engaging piece 624 of screw rod 62 contacts with the barrel 16 that backboard 10 passes circuit board through-hole 22.Turn each screw rod 62 respectively, the engaging piece 624 and the screwed hole 160 of barrel 16 are meshed, thereby the radiator combination is fixed on the circuit board 20.Because the time supporting pad 66 that screw rod 62 and backboard 10 screw togather is folded between radiator combination and the circuit board 20, and the main part 660 of supporting pad 66 and sleeve 42 against and the bottom surface 6640 of the supporting leg 664 of supporting pad 66 contact with the end face of circuit board 20, other corner of radiator combination can perk when making a fixing wherein screw rod 62, has guaranteed stability and the fail safe in the installation process.In addition, because the setting of the slit 6620 around the centre bore 662 of supporting pad 66 main parts 660, make supporting pad 66 can clip on screw rod 62, four fixtures 60 are fixed on earlier in the radiator combination, be fixed on together again on the circuit board 20, make convenient, safety is installed.
See also Fig. 5, be the supporting pad 66a of second embodiment of the invention heat abstractor.This supporting pad 66a comprises the supporting leg 664a that a main part 660a and an autonomous body 660a edge extend downwards.This main part 660a is identical with main part 660 structures of the supporting pad 66 of the first embodiment heat abstractor, and supporting leg 664 structures of the supporting pad 66 of this supporting leg 664a and the first embodiment heat abstractor are inequality.This supporting leg 664a roughly is the semicircle tubulose, and is connected with the edge of the main part 660a part greater than semicircle.This supporting leg 664a has a flat bottom surface 6640a to contact better with circuit board 20, increases the support of supporting pad 66a to the radiator combination.
Claims (10)
1. a heat abstractor, be used for electronic element radiating to a side on the circuit board, it comprises that one places the radiator combination, on the electronic component to place the backboard of circuit board opposite side and a fixture to be installed in the radiator combination, this fixture comprises a screw rod that combines with backboard, it is characterized in that: this fixture also comprises a supporting pad, this supporting pad comprise one with radiator combination against main part and with circuit board against supporting leg, the main part that described screw rod passes supporting pad combines with backboard, so that the radiator combination is fixed on the circuit board.
2. heat abstractor as claimed in claim 1 is characterized in that: the autonomous body of the supporting leg of described supporting pad edge extends greater than semi-circular portions, and this supporting leg is the semicircle tubulose.
3. heat abstractor as claimed in claim 1 is characterized in that: the quantity of the supporting leg of described supporting pad is three, and these supporting legs are evenly distributed on described main part edge.
4. heat abstractor as claimed in claim 1 is characterized in that: described main part is provided with a centre bore and wears for described screw rod, and some slits are communicated with centre bore and evenly are centered around around the centre bore.
5. heat abstractor as claimed in claim 4 is characterized in that: described screw rod comprises a head, a cylinder and one and the engaging piece that screws togather of described backboard, and this cylinder is provided with the main part of annular groove with sheathed described supporting pad.
6. heat abstractor as claimed in claim 5 is characterized in that: described radiator combination comprises that a radiator and is placed in the fixed mount on the radiator, and this fixed mount has the quadruplet tube, and each sleeve is provided with a centre bore and wears for screw rod.
7. heat abstractor as claimed in claim 6, it is characterized in that: the diameter of the centre bore of described upper cartridge is bigger than the center-hole diameter of bottom, middle part formation one step surface up of sleeve, a spring housing is located on the screw rod and is located between the head of this step surface and screw rod.
8. heat abstractor as claimed in claim 5 is characterized in that: described screw rod is provided with an annular boss in annular groove below, is installed in supporting pad on the described annular groove with clip.
9. heat abstractor as claimed in claim 1 is characterized in that: described backboard is provided with the column barrel to pass circuit board, is provided with internal thread in this barrel and described screw rod screws togather.
10. heat abstractor as claimed in claim 1 is characterized in that: the quantity of described fixture is four, wears four corners of radiator combination respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710125298A CN101466235B (en) | 2007-12-21 | 2007-12-21 | Radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710125298A CN101466235B (en) | 2007-12-21 | 2007-12-21 | Radiating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101466235A true CN101466235A (en) | 2009-06-24 |
| CN101466235B CN101466235B (en) | 2012-09-19 |
Family
ID=40806516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710125298A Expired - Fee Related CN101466235B (en) | 2007-12-21 | 2007-12-21 | Radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101466235B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333970A (en) * | 2013-07-22 | 2015-02-04 | 技嘉科技股份有限公司 | Sleeve and circuit board using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000323875A (en) * | 1999-05-14 | 2000-11-24 | Nec Corp | Equipment and method for cooling electronic component |
| CN1169212C (en) * | 2000-03-01 | 2004-09-29 | 孟祥庞 | Assembled frame for water cooling semi-condustor device |
-
2007
- 2007-12-21 CN CN200710125298A patent/CN101466235B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333970A (en) * | 2013-07-22 | 2015-02-04 | 技嘉科技股份有限公司 | Sleeve and circuit board using the same |
| CN104333970B (en) * | 2013-07-22 | 2018-01-16 | 技嘉科技股份有限公司 | Sleeve and the circuit board using the sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101466235B (en) | 2012-09-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20141221 |
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| EXPY | Termination of patent right or utility model |