CN102538558A - 冲压结合散热鳍片的散热器改良 - Google Patents

冲压结合散热鳍片的散热器改良 Download PDF

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CN102538558A
CN102538558A CN2012100298882A CN201210029888A CN102538558A CN 102538558 A CN102538558 A CN 102538558A CN 2012100298882 A CN2012100298882 A CN 2012100298882A CN 201210029888 A CN201210029888 A CN 201210029888A CN 102538558 A CN102538558 A CN 102538558A
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CN102538558B (zh
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黄崇贤
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Dongguan Hanxu Hardware Plastic Technology Co Ltd
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Priority to TW105127182A priority patent/TWI667444B/zh
Priority to TW101119702A priority patent/TWI571609B/zh
Priority to TW101210553U priority patent/TWM441112U/zh
Priority to JP2012003659U priority patent/JP3178082U/ja
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Abstract

一种冲压结合散热鳍片的散热器改良设计，其至少系包括一底座及复数个散热鳍片，底座表面系开设复数个相邻的沟槽，以供对应插植各散热鳍片，且散热鳍片的插植端系设有一反折部，或进一步可于反折部的选定间距分别冲设复数个呈外翻状的冲压凸片，于散热鳍片插入底座沟槽后，再利用一冲压冲头对准插植的反折部位进行冲压，以该冲压冲头具有一同时局部涵盖反折部及一沟槽侧壁的冲压斜面，于冲压后使反折部于沟槽内下压产生变形而迫紧结合于沟槽，且冲压斜面因同时冲压推挤沟槽侧壁而产生移动变形，使移动变形的沟槽侧壁可压住反折部，确保结合更为稳固。

Description

冲压结合散热鳍片的散热器改良
技术领域
本发明系关于一种散热器设计，尤指一种冲压结合散热鳍片的散热器改良设计。
背景技术
习知散热器的散热鳍片与底座的结合，除了传统的焊接结合技术外，亦有利用冲压方式，将散热鳍片先插植于底座的预设沟槽或夹持凸座，再以冲压冲头进行冲压，而使散热鳍片被夹持结合于底座的沟槽（或夹持凸座），例如美国发明专利第5014776号案，就是使两侧的沟槽侧壁产生冲压推挤变形，进而可夹持散热鳍片，以达到散热鳍片与底座的结合目的。
上述先前专利技术，只是利用沟槽两侧的挤压变形而达到夹持散热片根部的目的，但夹持作用力都集中在沟槽开口两侧的变形位置，仅具有两个点状的夹持力，因此，夹持效果不佳，不易确保其稳定结合，不仅各散热片可能发生参差不齐的不等高现象，而且散热片容易发生摇动或脱落情形。
发明内容
本发明之主要目的，乃在于提供一种冲压结合散热鳍片的散热器改良设计，其至少包括一底座及复数个散热鳍片，底座表面系开设复数个相邻的沟槽，以供对应插植各散热鳍片，且各散热鳍片的插植端均设有一反折部，于散热鳍片插入底座沟槽后，再利用一冲压冲头对准插植的反折部位进行冲压，因该冲压冲头具有一可同时局部涵盖反折部及一沟槽侧壁的冲压斜面，于冲压后可使该反折部于沟槽内下压产生变形增大而迫紧结合于沟槽，且以冲压斜面同时冲压推挤其中一沟槽的侧壁而产生移动变形，使该移动变形的沟槽侧壁可压住反折部，故散热鳍片与底座的结合会更为稳固，能确保各散热片不会发生摇动或脱落情形。
本发明之次要目的，乃在于提供一种冲压结合散热鳍片的散热器改良设计，其中，各散热鳍片系可于反折部的选定间距分别冲设复数个冲压凸片，各冲压凸片可呈朝上侧倾的外翻形状，并于通过冲压冲头的冲压后，使移动变形的沟槽侧壁可形成向外延伸而压住冲压凸片，并卡住沟槽内壁，以形成稳固卡住，且反折部的其余部份则受到挤压变形，并填满于底座的沟槽，因此使散热鳍片与底座的结合更为稳固。
本发明之又一目的，乃在于提供一种冲压结合散热鳍片的散热器改良设计，其中，该散热器的底座系可与一个以上的热导管形成紧配嵌合，为在底座的另一端面开设嵌槽，并适配嵌入热导管，使热导管可贴底外露于底座端面，或进一步使热导管适当弯折并贯穿复数散热片以完成紧配组成。
本发明之另一目的，乃在于提供一种冲压结合散热鳍片的散热器改良设计，其中，该散热器的底座系可实施为圆形座体，并于该圆形的底座的周壁面开设复数轴向相邻的沟槽，以供对应插植各散热鳍片，使各散热片可呈辐射方向的稳固插植结合。
附图说明
图1为本发明于冲压结合前的立体示意图。
图2为本发明散热鳍片的立体图。
图3为本发明散热鳍片的局部放大图。
图4为本发明散热鳍片的另一角度局部放大图。
图5为本发明进行冲压时的状态示意图。
图6为本发明完成冲压时的状态示意图。
图7为本发明冲压冲头退出后的完成状态示意图。
图8为本发明散热鳍片于插入底座前的示意图。
图9系本发明实施为一附有热导管散热器的组合正视图。
图10为图9实施例的组合立体图。
图11为本发明底座实施为圆形座体的组合上视图。
图12为图11实施例的组合立体图。
图13为本发明另一实施例于冲压结合前的立体示意图。
图14为图13实施例进行冲压时的状态示意图。
图15为图13实施例完成冲压时的状态示意图。
图16为图13实施例冲压冲头退出后的完成状态示意图。
标识说明：
底座1                  散热鳍片2
沟槽11                 反折部21
冲压凸片211            冲压冲头3
冲压斜面31             沟槽侧壁111
沟槽宽度A              反折部厚度B
冲压凸片外翻宽度C      热导管4
平整贴底面41           底座1a
嵌槽12a                圆形底座1b
沟槽11b                散热鳍片2b。
具体实施方式
下面结合附图与具体实施例来对本发明进行详细说明：
如图1所示，系本发明所为「冲压结合散热鳍片的散热器改良」的较佳实施例，其系至少包括一底座1及复数个散热鳍片2，而其中：
底座1，其系在表面开设复数个相邻的沟槽11，以供分别对应插植各散热鳍片2；
复数个散热鳍片2，如图2至图4所示，其形状或大小不拘，但于插植端系设有一反折部21，并可于该反折部21的选定间距分别冲设复数个呈外翻状的冲压凸片211，该反折部21系可匹配植入底座1的沟槽11；
利用上述的底座1及复数个散热鳍片2，于散热鳍片2将反折部21插入底座1的沟槽11后，系再利用一冲压冲头3对准插植的反折部位进行冲压（如图5），以该冲压冲头3具有一同时局部涵盖反折部21及一沟槽11侧壁的冲压斜面31，于冲压后（如图6）使该反折部21于沟槽11内下压产生变形增大而迫紧结合于沟槽11（如图7），且该冲压斜面31因同时冲压推挤沟槽11侧壁而产生移动变形，使移动变形后的沟槽侧壁111可压住反折部21的冲压凸片211，并卡住沟槽11的内壁，以确保散热鳍片2与底座1的结合更为稳固，达到散热片2不会发生摇动或脱落的目的。
如上述实施例图显示，该散热鳍片2的冲压凸片211，其系可呈朝上侧倾的外翻形状，于通过冲压冲头3的冲压后，系使移动变形的沟槽侧壁111形成向外延伸，并可压住反折部21冲压凸片211，反折部21的其余部份则发生挤压变形，并填满于底座1的沟槽11，故散热鳍片2与底座1的沟槽11结合将更为稳固。
如图8所示，所述底座1沟槽11的宽度A系略大于散热鳍片2反折部21的厚度B，但反折部21的厚度B再加上冲压凸片211C外翻边壁的宽度C，则相同于沟槽11的宽度A，亦即：A＝B+C。
如图9、10所示的另一种实施例，本发明系可与一个以上的热导管4形成紧配嵌合，以组成一附有热导管的散热器，其系可于本发明底座1a的另一端面开设一个以上的嵌槽12a，用以适配嵌入热导管4，使热导管4具有平整贴底面41，并外露结合于底座1a的底端面，或所述的热导管4亦可适当弯折，并贯穿复数散热片2，以完成一附有热导管的散热器紧配组合。
如图11、12所示的再一种实施例，本发明的底座1b，系亦可实施为圆形座体，并于该圆形底座1b的周壁面开设复数轴向相邻的沟槽11b，以供对应插植各散热鳍片2b，依同理实施，使各散热片2b可呈辐射方向而稳固插植结合于圆形底座1b的周壁面。
依本发明设计，所述的散热片2，关于其形状、大小或堆栈排列形态，系可视不同需要而做任意变化，且其中的冲压凸片211系可省略不设，如图13的另一实施例所示，各散热片2亦可直接利用反折部21对应插植于底座1的沟槽11，再以冲压冲头3对准插植的反折部位进行冲压（如图14至图16所示），该冲压冲头3的冲压斜面31亦同时局部涵盖反折部21及一沟槽侧壁111，故冲压后可使反折部21于沟槽11内下压产生变形增大而迫紧结合于沟槽11，且以移动变形的沟槽侧壁111亦压住反折部21，仍可完成散热鳍片2与底座1的稳固结合。是以，附图的实施例仅系揭露本发明的主要技术特征，但并非用以限定本案的技术范围，如有涉及等效应用或简易的增减变更，自仍应视为属于本案的技术范围。
综上所述，本发明所为冲压结合散热鳍片的散热器改良设计，关于散热片与底座的插入结合，其使用手段与习知散热器显有不同，特别是利用移动变形的沟槽侧壁可延伸压住反折部及冲压凸片的顶端，确保各散热片均能完全插入底座沟槽，获得更为稳固的结合。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的技术范围作任何限制，故凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (7)

1.一种冲压结合散热鳍片的散热器改良，其至少包括一底座及复数个散热鳍片，其特征在于：
该底座系在表面开设复数个相邻的沟槽，以供分别对应插植各散热鳍片;
该复数个散热鳍片系于插植端设有一反折部，该反折部系供匹配植入底座的沟槽；
利用上述的底座及复数个散热鳍片，于散热鳍片将反折部插入底座的沟槽后，再利用一冲压冲头对准的反折插植部位进行冲压，该冲压冲头并具有一同时局部涵盖反折部及一沟槽侧壁的冲压斜面，经冲压后使反折部于沟槽内下压产生变形增大而迫紧结合于沟槽内，且冲压斜面同时冲压推挤沟槽侧壁而产生移动变形，使移动变形后的沟槽侧壁系压住反折部，以完成散热鳍片与底座的结合。
2.如权利要求1所述之冲压结合散热鳍片的散热器改良，其特征在于：所述散热鳍片的反折部系于选定间距分别冲设复数个呈外翻状的冲压凸片，且移动变形后的沟槽侧壁系压住冲压凸片而卡住沟槽内壁。
3.如权利要求2所述之冲压结合散热鳍片的散热器改良，其特征在于：所述散热鳍片反折部的厚度再加上冲压凸片外翻边壁的宽度，系相同于底座沟槽的宽度。
4.如权利要求2所述之冲压结合散热鳍片的散热器改良，其特征在于：所述散热鳍片的冲压凸片系呈朝上侧倾的外翻形状。
5.如权利要求1所述之冲压结合散热鳍片的散热器改良，其特征在于：所述底座的另一端面系开设一个以上的嵌槽，以供适配嵌入热导管，并使热导管具有平整贴底面，且外露结合于底座的底端面。
6.如权利要求5所述之冲压结合散热鳍片的散热器改良，其特征在于：所述热导管系弯折贯穿复数散热片，形成紧配组合。
7.如权利要求1所述之冲压结合散热鳍片的散热器改良，其特征在于：所述底座系圆形座体，并于周壁面开设复数轴向相邻的沟槽，以供对应插植复数个散热鳍片。
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