CN101150943B - Heat radiation device and its fan fixing part - Google Patents
Heat radiation device and its fan fixing part Download PDFInfo
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- CN101150943B CN101150943B CN2006100627244A CN200610062724A CN101150943B CN 101150943 B CN101150943 B CN 101150943B CN 2006100627244 A CN2006100627244 A CN 2006100627244A CN 200610062724 A CN200610062724 A CN 200610062724A CN 101150943 B CN101150943 B CN 101150943B
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- fan
- thread segment
- barrel
- screw rod
- screw
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Abstract
A radiating device comprises a radiator, a fan and a fixture, wherein the radiator is provided with a connecting part, a fan is provided with an upper and a lower flanges which are parallely spaced, the fixture comprises a screw cylinder arranged on the lower flange of the fan and a screw rod penetrating the upper flange, the screw cylinder, the lower flange and the supporting frame in order, the screw rod comprises a head arranged above the upper flange and convenient to operate, a first screw thread section and a second screw thread section for clamping the fan between the screw cylinder and the connecting part are screw connected with the screw thread section and the connecting part, and a connecting section is connected between the hear and the first screw thread section, an outside diameter of the connecting section is larger than that of the first screw thread section, and a hemline of the connecting section presses an upper margin of the screw cylinder. The fixture makes the lower flange of the fan clamp between the screw cylinder and the connecting part with the equilibrium condition of upper and lower forces, not only can fix the fan, but also ensure that the lower flange can not been deformed caused by forces, thereby preventing abnormal voice from generating during running of the fan.
Description
Technical field
The present invention is about a kind of heat abstractor and fan fixing member thereof.
Background technology
Along with fast development of information technology, the arithmetic speed of central processing unit (CPU) is more and more faster, and the heat of its generation is also more and more.If the heat of overheap can't in time be discharged on the central processing unit, its operation stability indubitablely can be affected.
For this reason, industry is installed a radiator at the central processing unit end face usually, and on the radiator top one fan is set, and utilizes fan and radiator to assist to discharge heat.Yet, with fan fast firm be installed in not a duck soup on the radiator.
Existing fan fixing means is a lot, and wherein commonly used has two kinds, and the long spiro nail that the last lower edge of fan frame is passed in first utilization cooperates with fan Fixture, thereby fan is directly locked on radiator, reaches combining of fan and radiator.Yet the head of this long spiro nail is pressed on fan frame upper limb, causes the unidirectional pressurized of upper limb of fan frame and owing to being subjected to force unbalance to be easy to generate deformation, and then causes that undesirable condition such as the different sound of fan takes place.Another kind is to utilize the Screw of the lower edge that passes the fan frame to cooperate with fan Fixture, and fan is fixed on the radiator.Though the lower edge of fan frame is subjected to the pressure of screw head and fan Fixture simultaneously, stress balance is difficult for taking place deformation, and the screw of this kind fixed structure need use actions such as special-purpose screwdriver head could be installed fan, dismounting, operation inconvenience.
Summary of the invention
The present invention aims to provide a kind of use and stablizes, installs heat abstractor and fan fixing member thereof easily.
A kind of heat abstractor, comprise radiator, fan and fixture, radiator is provided with carrier, fan be provided with parallel interval on, lower flange, described fixture comprises the barrel on the lower flange that is positioned at fan and passes the upper flange of fan successively, barrel, the lower flange of fan and the screw rod of bracing frame, screw rod comprises the upper flange top that the is positioned at fan head with handled easily, thereby respectively and barrel and carrier screw togather fan be interposed in first thread segment and second thread segment between barrel and the carrier, and be connected in a linkage section between this head and this first thread segment, the external diameter of this linkage section is greater than the external diameter of this first thread segment, the root edge of this linkage section compresses the upper limb of this barrel, and the head of described screw rod is positioned at the fan top and does not compress its upper flange.
A kind of fan fixing member, be used for a fan is fixed in a carrier, described fan is provided with a flange, this fan fixing member comprises a screw rod and a barrel, this barrel is positioned at the flange upside of described fan, this screw rod has first thread segment and second thread segment that is provided with at interval, and be connected in a junction of this first thread segment, one end, the external diameter of this connecting portion is greater than the external diameter of this first thread segment, this barrel and first thread segment screw togather, the root edge of this connecting portion compresses the upper limb of this barrel, and this second thread segment stretches out outside the barrel and is screwed with the carrier of the flange downside that is positioned at fan.
Above-mentioned fixing piece makes the lower flange of fan be clipped between barrel and the fixed mount carrier stress balance up and down, thereby firmly the fan lower flange that can guarantee fan again in use can be because of unbalance stress cause distortion, and then avoids fan to be in operation producing different sound.
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 combination figure of fan fixer of the present invention and associated component.
Fig. 2 is the three-dimensional exploded view of fan fixer of the present invention and associated component.
Fig. 3 is the exploded view of fan fixer of the present invention.
Fig. 4 is the cutaway view along V-V line among Fig. 1.
Embodiment
See also Fig. 1 to Fig. 4, the heat abstractor of one embodiment of the invention comprises a radiator 10, a fan 30, a fan Fixture 20 and two fan fixing members 40.This fixture 40 is used for fan 30 is fixed to this fixed mount 20.Fan 30 is fixed on the radiator 10 by this fixed mount 20 again, to strengthen the gaseous exchange in the radiator 10.This fixture 40 comprises a screw rod 42 and a barrel 44 that cooperates with screw rod 42.
As shown in Figure 2, this radiator 10 is made by heat conductivility good metal materials such as aluminium, copper, has a roughly rectangular base plate 12.Vertically be arranged with first fin 14 of some parallel interval on this base plate 12 and be positioned at first fin, 14 outsides and be parallel to second fin 16 of first fin 14.Second fin 16 is thick and offer most groovings than first fin 14, and its top opposite end is respectively offered an installing hole 160.Four angles of this base plate 12 are equiped with installed part 200, with convenient radiator 10 are fixed on the circuit board (figure does not show).
This fixed mount 20 is bent to form by a sheet metal, comprises a vertical joint portion 22 and a horizontal carrier 24.This place, 22 nearly two ends, joint portion offers fixing hole 220, the installing hole 160 on these fixing hole 220 corresponding radiator 10 outermost radiating fins 16.Fixing hole 220 on this joint portion 22 and the installing hole 160 on the radiating fin 16 are used for cooperating with screw 100, thereby fixed mount 20 is fixed on radiating fin 16 outsides.After these 22 upper ends, joint portion are slightly outward-dipping again horizontal-extending form this carrier 24, make this fixed mount 20 have certain buffer capacity.These carrier 24 1 ends projection one cylindric location division 240 that makes progress, this location division 240 offers the mating holes 242 that cooperates with screw rod 42, and this mating holes 242 is provided with internal thread.As shown in Figure 4, after fixed mount 20 was fixed on the radiator 10, described carrier 24 was positioned at the top of radiating fin 16.
This place, 30 1 groups of diagonal angles of fan is provided with the upper and lower holding flange 32,34 of being separated by respectively.Offer perforation 320,340 on the holding flange 32,34 respectively, pass for screw rod 42.
See also Fig. 3 and 4, this screw rod 42 comprises a head 422, a junction 424 and a body of rod 426 successively.This head 422 is rounded, and its end face offers the cross recess 4220 that cooperates with operation tool such as spiral shell cutter (figure does not show), to make things convenient for rotary screw 42.This connecting portion 424 is stretched along the axial edge of head 422, its diameter less than the diameter of head greater than the diameter of the body of rod 426.This body of rod 426 further extends from connecting portion 424 free ends, and it is provided with first thread segment 4262 at the end near connecting portion 424.The end of this body of rod 426 forms the chamfering of being convenient to wear (not label), and this body of rod 426 is close to this chamfering at the end away from connecting portion 424 and is provided with and first thread segment 4262, second thread segment 4264 at interval.Be provided with no thread segment 4266 (see figure 4)s between this first and second screw thread 4262,4264.
This barrel 44 is cylindrical barrel bodies of a hollow, and it is positioned on the holding flange 32 of fan 30.These barrel 44 upper ends are provided with the screw 440 that can screw in turn for the thread segment 4262,4264 of screw rod 42, these barrel 44 lower ends are provided with the through hole (not label) that is communicated with screw 440, the diameter of this through hole is big than the diameter of screw 440, and second thread segment 4264 that makes the body of rod 426 easy on and off therein moves.After in the screw 440 of first thread segment, 4262 whole screw-in barrels 44, connecting portion 424 root edges and barrel 44 upper limbs that diameter is bigger join.
Fixedly during radiator fan 30, earlier fan 30 is placed on above the carrier 24 of fixed mount 20, and location division 240 on the carrier 24 just in time is contained in respectively in the perforation 320 of holding flange 32 of fan 30 (as shown in Figure 4), so that fan 30 is carried out pre-determined bit.And then barrel 44 is placed on the holding flange 32 of fan 30, makes through hole in the barrel 44, screw rod 42 is inserted in the perforation 340 of holding flange 34 of fans 30 over against the mating holes 242 of fixed mount 20 location divisions 240.Rotating screw bolt 42 makes its second thread segment 4264 revolve screw 440 on the barrel 44, and makes its first thread segment 4262 screw in screw 440 on the barrel 44 gradually, all screws in the screws 440 of barrels 44 until first thread segment 4262 of screw rod 42.Screw in the process of screw 440 of barrels 44 at first thread segment 4262 of screw rod 42, second thread segment 426 of screw rod 42 screws in the mating holes 242 of fixed mount 20 gradually.Finally, connecting portion 424 root edges of screw rod 42 press on the upper limb of barrel 44, and barrel 44 bottoms are pressed on holding flange 32 upper surfaces of fan 30; Simultaneously, the bottom surface of fan 30 holding flanges 32 is closely against on the carrier 24 of fixed mount 20, thereby fan 30 is stabilized in above the radiator 10.
In the present embodiment, screw rod 42 passes fan 30 holding flanges 32, and its two thread segment 4262,4264 lays respectively at the both sides of fan 30 holding flanges 32, and screws togather with fixed mount 20 and barrel 44 respectively, thereby fan 30 is fixed.The holding flange 32 of fan 30 be clipped between barrel 44 and fixed mount 20 carriers 24 and on it lower stress reached balance, the head 422 that need not screw rod 42 imposes external force to fan 30 again, so the head 422 of screw rod 42 is positioned at fan 30 tops and does not compress its holding flange 34.Thereby, in use fan about in the of 30 holding flange 32,34 can not be out of shape because of unbalance stress, avoid fan 30 to be in operation and produce different sound.The head 422 of screw rod 42 is positioned at fan 30 tops and helps operation tools such as spiral shell cutter and insert its cross recess 420, rotates this screw rod 42.In addition, first thread segment 4262 of screw rod 42 screws in and can smear fastening glue before the screw 440 of barrels 44 thereon to strengthen the effect that screws togather of 44 of itself and barrels.
During from radiator 10 dismounting fans 30, only need rotating screw bolt 42, its second thread segment 4264 is screwed out from the mating holes 242 of fixed mount 20 get final product.At this moment, screw rod 42 and barrel 44 still are installed on the fan 30, can not come off and form hidden danger.
Be appreciated that ground, the fixed mount 20 of present embodiment also can be other forms, as: extend upward and bend by the fin 16/14 of radiator 10 and form.
Claims (13)
1. heat abstractor, comprise radiator, fan and fixture, radiator is provided with carrier, fan be provided with parallel interval on, lower flange, it is characterized in that: described fixture comprises the barrel on the lower flange that is positioned at fan and passes the upper flange of fan successively, barrel, the lower flange of fan and the screw rod of carrier, screw rod comprises the upper flange top that the is positioned at fan head with handled easily, thereby respectively and barrel and carrier screw togather the fan lower flange be interposed in first thread segment and second thread segment between barrel and the carrier, and be connected in a linkage section between this head and this first thread segment, the external diameter of this linkage section is greater than the external diameter of this first thread segment, the root edge of this linkage section compresses the upper limb of this barrel, and the head of described screw rod is positioned at the fan top and does not compress its upper flange.
2. heat abstractor as claimed in claim 1 is characterized in that: the lower flange of described fan is provided with perforation, and described carrier is provided with the column location division, and this location division is placed in the perforation of fan lower flange.
3. heat abstractor as claimed in claim 2 is characterized in that: described column location division is provided with the mating holes that second thread segment with screw rod screws togather.
4. heat abstractor as claimed in claim 1 is characterized in that: described barrel is provided with second thread segment of confession screw rod and the screw that first thread segment screws in turn away from an end of fan lower flange.
5. heat abstractor as claimed in claim 1 is characterized in that: described screw rod also comprises the no thread segment that connects first thread segment and second thread segment.
6. heat abstractor as claimed in claim 1 is characterized in that: this heat abstractor also comprises the joint portion that is connected with described carrier, and described carrier is fixed in the top of radiator by the joint portion.
7. heat abstractor as claimed in claim 6 is characterized in that: the both sides of radiator are fixed in described joint portion.
8. fan fixing member, be used for a fan is fixed in a carrier, described fan is provided with a flange, it is characterized in that: this fan fixing member comprises a screw rod and a barrel, this barrel is positioned at the flange upside of described fan, this screw rod has first thread segment and second thread segment that is provided with at interval, and be connected in a junction of this first thread segment, one end, the external diameter of this connecting portion is greater than the external diameter of this first thread segment, this barrel and first thread segment screw togather, the root edge of this connecting portion compresses the upper limb of this barrel, and this second thread segment stretches out outside the barrel and is screwed with the carrier of the flange downside that is positioned at fan.
9. fan fixing member as claimed in claim 8 is characterized in that: described second thread segment is formed at the end of screw rod.
10. fan fixing member as claimed in claim 8 is characterized in that: described screw rod also comprises a head that is positioned at an end, and connects a no thread segment of first thread segment and second thread segment, and described connecting portion is connected between this head and first thread segment.
11. fan fixing member as claimed in claim 8 is characterized in that: described barrel is provided with a screw near connecting portion, and barrel is provided with the through hole that communicates with screw away from connecting portion, and second thread segment of described screw rod can move freely in this through hole.
12. fan fixing member as claimed in claim 10 is characterized in that: described head top surface is provided with cross recess.
13. fan fixing member as claimed in claim 8 is characterized in that: described screw rod is provided with the chamfering of being convenient to wear near the end of second thread segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100627244A CN101150943B (en) | 2006-09-22 | 2006-09-22 | Heat radiation device and its fan fixing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100627244A CN101150943B (en) | 2006-09-22 | 2006-09-22 | Heat radiation device and its fan fixing part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101150943A CN101150943A (en) | 2008-03-26 |
| CN101150943B true CN101150943B (en) | 2011-06-29 |
Family
ID=39251190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100627244A Expired - Fee Related CN101150943B (en) | 2006-09-22 | 2006-09-22 | Heat radiation device and its fan fixing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101150943B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895883A (en) * | 2014-03-05 | 2015-09-09 | 生物纯净技术有限公司 | Screw nut and screw bolt combination mechanism |
| CN112509274A (en) * | 2020-10-19 | 2021-03-16 | 温州大学 | Method for establishing intelligent safety supervision based on big data sharing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519320Y (en) * | 2001-12-12 | 2002-10-30 | 富准精密工业(深圳)有限公司 | Combination of radiator device |
| US6678158B2 (en) * | 2002-03-06 | 2004-01-13 | Hon Hai Precision Ind. Co., Ltd. | Heat sink assembly with fixing device |
| CN2727956Y (en) * | 2004-07-06 | 2005-09-21 | 鸿富锦精密工业（深圳）有限公司 | Fastener for radiator |
-
2006
- 2006-09-22 CN CN2006100627244A patent/CN101150943B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519320Y (en) * | 2001-12-12 | 2002-10-30 | 富准精密工业(深圳)有限公司 | Combination of radiator device |
| US6678158B2 (en) * | 2002-03-06 | 2004-01-13 | Hon Hai Precision Ind. Co., Ltd. | Heat sink assembly with fixing device |
| CN2727956Y (en) * | 2004-07-06 | 2005-09-21 | 鸿富锦精密工业（深圳）有限公司 | Fastener for radiator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101150943A (en) | 2008-03-26 |
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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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20110922 |