1301046 九、發明說明： . 【發明所屬之技術領域】 : 本發明涉及一種散熱裝置組合及其所使用之扣具，特 ♦ 別係一種適用於發熱電子元件之散熱裝置k合及其所使用 之扣具。 【先前技術】 當前，隨著電腦産業之迅速發展，微處理晶片等發熱 .電子元件産生之熱量愈來愈多，爲將該多餘之熱量有效散 發’習知之方法係在發熱電子元件之表面貼設一散熱器， 並利用扣具對該散熱器進行固定，將發熱電子元件産生之 熱量强制散去。例如，美國專利第5,384,94〇號公開一種扣 具，該扣具包括一鎖釘及一彈簧，藉由複數所述扣具將散 熱器固定至電路板上。 然而，在每一扣具與電路板扣合前，該扣具之彈簧未 > 發輯性賴，該扣具軸與該散熱魏雜固，使得扣 合時易偏擺而使該扣具之鎖釘難以與該電路板對準，從而 增加該扣具與該電路板組裝之難度。 【發明内容】 有鑒於此’有必要提供—種易於組裝樣絲置組合 及其所使用之扣具。 該扣具包括-桿體及-彈性體，該彈性體設於該桿體 上，該桿體-端設有-按壓部，另一端設有一釣部，其中， 該桿體於該按壓部及該鈎部之間設有一擔止部，該擔止部 6 1301046 為環片狀結構，該彈性體位於該按壓部及該擋止部之間。 該散熱裝置組合包括一散熱器及至少一扣具，該散熱 ,* ‘ 器上設有穿孔，該扣具包括一桿體及一彈性體，該桿體一 ^ 端設有一按壓部，另一端設有一鈎部，該彈性體設置在該 • 彳干體上’其中，該桿體上設有一擋止部，該彈性體位於該 ‘ 按壓部及該擋止部之間，該擋止部可穿過散熱器之穿孔而 定位於散熱器之底面，並使彈性體變形並夾設於該按壓部 • 與該散熱器之間，而實現該扣具與該散熱器之預組裝。 與習知技術相比，藉由該擋止部之設置，使該扣具在 與該電路板扣合前可預先穩固地組裝至該散熱器上，不易 偏擺而便於該扣具與該電路板對準，從而在將散熱器組裝 至電路板之過程中具有易於組裝之優點。 【實施方式】 圖1所示爲本發明散熱裝置組合第一實施例之立體分 解圖，該散熱裝置組合100包括一散熱器10、複數扣具20、 _ 一發熱電子元件30及一電路板40。 該散熱器10包括一基座12及複數散熱片14，該基座 12為一長方體結構且該基座12之四角處分別設有一穿孔 122，供該等扣具20穿設。 該發熱電子元件30置於該電路板40上，該電路板40 對應該散熱器10之每一穿孔122分別設有一穿孔42，供 該等扣具20穿設。 請參照圖2及圖3，該扣具20包括一桿體22及一彈 性體24，該桿體22由塑料製成。該桿體22為一圓柱體， 7 1301046 其具有兩段式結構。該桿體22之上段22a具有比下段22b 更大之直徑。該彈性體24為一彈簧，該彈性體24套設於 ’ · 該柃體22之上段22a。該上段22a之頂端設有一按壓部 -: 222 ’該按壓部222之外徑大於該上段22a之直徑，以便該 . 彈性體24之一端抵壓在該按壓部222上。該下段22b之底 、 端設有一鈎部224，該鈎部224自底端沿該桿體22之兩相 對侧斜向上延伸呈倒三角形結構(如圖3所示），該鈎部224 φ 包括位於該桿體22相對側之兩倒刺224a，每一倒刺224a 與該桿體22之間形成一溝槽26，該鈎部224之最大外徑 大於該電路板40之穿孔42之直徑，以便與該電路板4〇扣 合。每一倒刺224a之自由端形成一定位面224b，每一定位 面224b上於靠近桿體22處設有一舌片224c。該桿體22 於其下段22b之適當位置設有一擋止部226，該擋止部226 為自該下段22b斜向上一體延伸形成之連續環片狀結構， 該擋止部226具有一定彈性形變能力，該擋止部226自底 鲁 端向上外徑逐漸變大且其頂端之外徑大於該桿體22之上 段22a之直徑。由於該擋止部226係從直徑比該桿體22之 上段22a小之下段22b上延伸形成，可有效增加該擋止部 226之彈性形變效果。 請參照圖1至圖4，預組裝時，該彈性體24套設於該 才干體22之上段22a上，並位於該按壓部222與擋止部226 之間’將該等扣具20分別對準該散熱器1〇之穿孔122， 向下按壓該扣具20之按壓部222，使該扣具20之鈎部224 及擋止部226受擠壓而依次穿過該散熱器1〇之穿孔122， 1301046 當該扣具20之擋止部226穿過該散熱器1〇之穿孔122後， 夾设於該按壓部222及該散熱器；[〇之間之彈性體％被壓 • · 縮而產生彈性形變，同時，該擋止部220向外回彈並抵接 : 在該散熱器10之底面，從而將該扣具20預組裝至該散熱 . 器10上，如圖4所示。之後，將預組裝有扣具20之散熱 器10貼設於該發熱電子元件3〇上，使該扣具2〇與該電路 w 板40對齊，如圖5所示；此時，藉由該擋止部226之設置， φ 該扣具20之鈎部224底端部分收容在該電路板40之穿孔 42内。請參照圖5至圖8，向下按壓該扣具2〇之按壓部 222，使該扣具20之鈎部224受壓發生彈性形變以穿過該 電路板40之穿孔42而與該電路板4〇相互扣接，即該鈎部 224之兩倒刺224a向内被壓縮而穿過該穿孔42後發生回 彈，在該彈性體24之形變力作用下，藉由該鈎部224之定 位面224b抵頂在該電路板4〇之底面而實現該扣具2〇與該 電路板40之扣合，從而將該散熱器1〇壓制固定於該發熱 φ 電子元件30上，如圖ό及圖8所示。其中，該鈎部224之 舌片224c與該電路板40之穿孔42配合，增強該鈎部224 與該電路板40之扣合牢固性，如圖7所示。 由以上敘述可知，藉由該檔止部226之設置，使得該 扣具20可以預先組裝至該散熱器1〇上，使該扣具2〇與該 散熱器10保持垂直且穩固之狀態，不易偏擺而利於組裝。 同時，藉由將該擋止部226設置於該下段22b之適當位置， 可使得將預組裝有扣具2〇之散熱器1〇置於該發熱電子元 件30上時’該扣具20之鈎部224之底端部分收容在該電 9 1301046 路板40之穿孔42内，定位方便且準確，有效縮短該扣具 20與該電路板40之間之距離，便於該扣具2〇之鈎部22斗 與該電路板40之扣合，從而具有易於組裝之優點。 請參照圖9,其所示為本發明扣具第二實施例之立體 圖，其與第一實施例之不同之處在於，該擋止部227上沿 外緣均勻設有複數缺口 227a，每一缺口 227a由該擋止^ 227之外緣向該桿體22開設，形成直條狀。藉由該等缺口 227a之设置，使該擋止部227更容易受壓產生彈性形變， 從而便於該扣具與該散熱器之預組裝。 請參照圖10，其所示為本發明扣具第三實施例之立體 圖，其與第一實施例之不同之處在於，該擋止部228之兩 相對側分別形成一缺口 228a，每一缺口 228a由該擋止部 228之外緣切除後形成。藉由該擋止部228之設置，該扣 具具有易於與該散熱器進行預組裝之優點。 综上所述，本發明符合發明專利要件，爰依法提出專 利申晴。惟，以上所述者僅為本發明之較佳實施例，舉凡 热悉本案技藝之人士，在爰依本發鴨神所作之等效修飾 或變化，皆應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 圖1為本發明散熱裝置組合第一實施例之立體分解 圖。 圖2為圖1所示散熱裝置組合中扣具之立體分解圖。 圖3為圖2所示扣具之組裝侧視圖。 圖4為圖i所示散熱裝置組合中扣具與散熱器之預組 1301046 裝示意圖。 圖5為圖1所示散熱裝置組合之組裝過程示意圖。 圖6為圖1所示散熱裝置組合組裝完成後之示意圖。 圖7為圖6所示散熱裝置組合之局部剖視圖。 圖8為圖1所示散熱裝置組合之立體圖。 圖9為本發明扣具之桿體之第二實施例之立體圖。 圖10為本發明扣具之桿體之第三實施例之立體圖。 【主要元件符號說明】 散熱裝置組合 100 散熱器 10 基座 12 穿孔 122 散熱片 14 扣具 20 桿體 22 上段 22a 下段 22b 按壓部 222 鈎部 224 倒刺 224a 定位面 224b 舌片 224c 擋止部 226. 227、 228 缺口 227a 、 228a 彈性體 24 溝槽 26 發熱電子元件 30 電路板 40 穿孔 42 111301046 IX. Description of the invention: [Technical field of the invention]: The present invention relates to a heat sink assembly and a buckle therefor, and a heat sink suitable for heat-generating electronic components and used Buckle. [Prior Art] At present, with the rapid development of the computer industry, micro-processing wafers and other heat. Electronic components generate more and more heat, in order to effectively dissipate the excess heat. The conventional method is attached to the surface of the heat-generating electronic components. A heat sink is provided, and the heat sink is fixed by the buckle to forcibly dissipate heat generated by the heat-generating electronic components. For example, U.S. Patent No. 5,384,94, the entire disclosure of which is incorporated herein incorporated by reference in its entire entire entire entire entire entire entire entire entire entire entire portion However, before the buckle is fastened to the circuit board, the spring of the buckle is not released, and the buckle shaft and the heat dissipation are entangled, so that the buckle is easy to yaw and the buckle is The locking pin is difficult to align with the circuit board, thereby increasing the difficulty of assembling the buckle with the circuit board. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a combination of easy-to-assemble sample sets and fasteners therefor. The buckle includes a rod body and an elastic body, the elastic body is disposed on the rod body, the rod body end is provided with a pressing portion, and the other end is provided with a fishing portion, wherein the rod body is at the pressing portion and A supporting portion is disposed between the hook portions, and the supporting portion 6 1301046 is a ring-like structure, and the elastic body is located between the pressing portion and the stopping portion. The heat sink assembly includes a heat sink and at least one fastener. The heat sink has a through hole. The buckle includes a rod body and an elastic body. The rod body has a pressing portion at one end and the other end. a hook portion is disposed on the body of the body, wherein the rod body is provided with a stopping portion, and the elastic body is located between the pressing portion and the stopping portion, and the stopping portion can be The pre-assembly of the buckle and the heat sink is achieved by positioning through the perforation of the heat sink to the bottom surface of the heat sink and deforming the elastic body and interposing between the pressing portion and the heat sink. Compared with the prior art, the buckle can be stably assembled to the heat sink before being fastened to the circuit board by the arrangement of the stopping portion, which is not easy to yaw and facilitates the buckle and the circuit. The boards are aligned to provide the advantage of ease of assembly during assembly of the heat sink to the board. 1 is an exploded perspective view of a first embodiment of a heat sink assembly according to the present invention. The heat sink assembly 100 includes a heat sink 10, a plurality of clips 20, a heat-generating electronic component 30, and a circuit board 40. . The heat sink 10 includes a base 12 and a plurality of fins 14. The base 12 has a rectangular parallelepiped structure and a through hole 122 is defined at each of the four corners of the base 12 for the fasteners 20 to pass through. The heat-generating electronic component 30 is disposed on the circuit board 40. The circuit board 40 is provided with a through hole 42 corresponding to each of the through holes 122 of the heat sink 10 for the fasteners 20 to pass through. Referring to Figures 2 and 3, the clip 20 includes a rod 22 and an elastic body 24, the rod 22 being made of plastic. The rod body 22 is a cylinder, and 7 1301046 has a two-stage structure. The upper portion 22a of the rod 22 has a larger diameter than the lower portion 22b. The elastic body 24 is a spring, and the elastic body 24 is sleeved on the upper portion 22a of the body 22. The top end of the upper portion 22a is provided with a pressing portion - 222'. The outer diameter of the pressing portion 222 is larger than the diameter of the upper portion 22a, so that one end of the elastic body 24 is pressed against the pressing portion 222. The bottom portion of the lower portion 22b is provided with a hook portion 224 extending obliquely upward from the bottom end along opposite sides of the rod body 22 in an inverted triangular configuration (as shown in FIG. 3). The hook portion 224 φ includes Two barbs 224a are disposed on opposite sides of the rod body 22, and a groove 26 is formed between each barb 224a and the rod body 22. The maximum outer diameter of the hook portion 224 is larger than the diameter of the through hole 42 of the circuit board 40. In order to be engaged with the circuit board 4 。. The free ends of each of the barbs 224a form a positioning surface 224b, and each of the positioning surfaces 224b is provided with a tongue 224c adjacent to the rod 22. The rod body 22 is provided with a stopping portion 226 at a suitable position of the lower portion 22b. The stopping portion 226 is a continuous ring-like structure integrally formed obliquely upward from the lower portion 22b. The blocking portion 226 has a certain elastic deformation capability. The stop portion 226 gradually increases in outer diameter from the bottom end and the outer diameter of the top end is larger than the diameter of the upper portion 22a of the rod body 22. Since the stopper portion 226 is formed to extend from the lower portion 22b which is smaller in diameter than the upper portion 22a of the rod body 22, the elastic deformation effect of the stopper portion 226 can be effectively increased. Referring to FIG. 1 to FIG. 4, in the pre-assembly, the elastic body 24 is sleeved on the upper portion 22a of the body 22 and located between the pressing portion 222 and the stopping portion 226. The through hole 122 of the heat sink 1 is pressed, and the pressing portion 222 of the buckle 20 is pressed downward, so that the hook portion 224 and the stopping portion 226 of the buckle 20 are pressed and sequentially pass through the through hole of the heat sink 1 122, 1301046, when the blocking portion 226 of the buckle 20 passes through the through hole 122 of the heat sink 1 , is sandwiched between the pressing portion 222 and the heat sink; [the elastic body between the turns is pressed The elastic deformation is generated, and at the same time, the blocking portion 220 rebounds outwardly and abuts against: the bottom surface of the heat sink 10, thereby pre-assembling the buckle 20 onto the heat dissipating device 10, as shown in FIG. Then, the heat sink 10 pre-assembled with the clip 20 is attached to the heat-generating electronic component 3, so that the clip 2 is aligned with the circuit w-plate 40, as shown in FIG. 5; The stop portion 226 is disposed, φ the bottom end portion of the hook portion 224 of the clip 20 is received in the through hole 42 of the circuit board 40. Referring to FIG. 5 to FIG. 8 , the pressing portion 222 of the buckle 2 is pressed downward, so that the hook portion 224 of the buckle 20 is elastically deformed to pass through the through hole 42 of the circuit board 40 and the circuit board. 4〇 are mutually fastened, that is, the two barbs 224a of the hook portion 224 are compressed inwardly and rebound after passing through the through hole 42. Under the deformation force of the elastic body 24, the positioning of the hook portion 224 is performed. The surface 224b is abutted on the bottom surface of the circuit board 4 to realize the fastening of the buckle 2 to the circuit board 40, so that the heat sink 1 is pressed and fixed on the heat-generating electronic component 30, as shown in the figure. Figure 8 shows. The tab 224c of the hook portion 224 cooperates with the through hole 42 of the circuit board 40 to enhance the fastening strength of the hook portion 224 and the circuit board 40, as shown in FIG. It can be seen from the above that, by the setting of the stop portion 226, the buckle 20 can be pre-assembled onto the heat sink 1 ,, so that the buckle 2 〇 is perpendicular and stable to the heat sink 10 , which is difficult to be The yaw is good for assembly. At the same time, by placing the blocking portion 226 at an appropriate position of the lower portion 22b, the hook of the buckle 20 can be made when the heat sink 1A pre-assembled with the clip 2 is placed on the heat-generating electronic component 30. The bottom end portion of the portion 224 is received in the through hole 42 of the electric plate 9 1301046, and the positioning is convenient and accurate, and the distance between the buckle 20 and the circuit board 40 is effectively shortened, and the hook portion of the buckle 2 is facilitated. The 22 buckets are engaged with the circuit board 40, thereby having the advantage of being easy to assemble. Referring to FIG. 9, there is shown a perspective view of a second embodiment of the present invention, which is different from the first embodiment in that the blocking portion 227 is uniformly provided with a plurality of notches 227a along the outer edge. The notch 227a is opened to the rod body 22 by the outer edge of the stopper 227, and is formed in a straight strip shape. By the arrangement of the notches 227a, the blocking portion 227 is more easily compressed and elastically deformed, thereby facilitating pre-assembly of the buckle with the heat sink. Referring to FIG. 10, there is shown a perspective view of a third embodiment of the present invention, which is different from the first embodiment in that a recess 228a is formed on each of the opposite sides of the blocking portion 228. The 228a is formed by cutting off the outer edge of the stopper portion 228. By virtue of the provision of the stop portion 228, the buckle has the advantage of being easily pre-assembled with the heat sink. In summary, the present invention complies with the requirements of the invention patent, and proposes a patent Shen Qing according to law. However, the above description is only the preferred embodiment of the present invention, and those skilled in the art will be able to cover the equivalent modifications or variations of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective exploded view of a first embodiment of a heat sink assembly of the present invention. 2 is an exploded perspective view of the buckle of the heat sink assembly shown in FIG. 1. Figure 3 is an assembled side view of the clip of Figure 2. 4 is a schematic view showing the pre-assembly 1301046 of the clip and the heat sink in the heat sink assembly shown in FIG. FIG. 5 is a schematic view showing the assembly process of the heat sink assembly shown in FIG. 1. FIG. FIG. 6 is a schematic view of the heat sink assembly shown in FIG. 1 assembled. Figure 7 is a partial cross-sectional view showing the heat sink assembly of Figure 6. Figure 8 is a perspective view of the heat sink assembly of Figure 1. Figure 9 is a perspective view of a second embodiment of the body of the buckle of the present invention. Figure 10 is a perspective view of a third embodiment of the body of the buckle of the present invention. [Main component symbol description] Heat sink combination 100 Heat sink 10 Base 12 Perforation 122 Heat sink 14 Buckle 20 Rod 22 Upper section 22a Lower section 22b Pressing section 222 Hook 224 Barb 224a Positioning surface 224b Tab 224c Stopping section 226 227, 228 notch 227a, 228a elastomer 24 groove 26 heat-generating electronic component 30 circuit board 40 perforation 42 11