1305811 t ' 九、發明說明: 【發明所屬之技術領域】 本發明係涉及一種散熱裝置組合,尤係涉及一種用於 對發熱電子元件散熱之散熱裝置組合及其所使用之扣具。 【先前技術】 隨著電腦產業之迅速發展’微處理晶片等發熱電子元 件產生之熱量愈來愈多,為將所産生之熱量有效散發,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 扣具將散熱器固定至設有發熱電子元件之電路板上,使散 熱裔與發熱電子元件接觸,骑發熱電子元件所產生之熱 置強制散去。例如,美國專利公告第5,384,94〇號公開一BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat sink assembly, and more particularly to a heat sink assembly for dissipating heat from a heat-generating electronic component and a clip used therefor. [Prior Art] With the rapid development of the computer industry, the heat generated by the heat-generating electronic components such as micro-processing wafers is increasing. In order to effectively dissipate the generated heat, the conventional method is to apply a heat dissipation on the surface of the heat-generating electronic components. And use the clip to fix the heat sink to the circuit board with the heat-generating electronic components, so that the heat sink contacts the heat-generating electronic components, and the heat generated by the heat-generating electronic components is forcibly dispersed. For example, U.S. Patent Publication No. 5,384,94 公开 discloses one
種扣具,該扣具包括一鎖釘及一彈簧,該鎖釘具有可與該 彈簧抵靠之i部及與電路板抵#之—扣合部,該鎖釘之 扣〇。卩依次穿過散熱器及電路板上開設之通孔並與電路板 相抵靠’並將彈簧夾設於散熱器與鎖釘之頭部之間,從而 將該散熱器固定至電路板上。 實際使用時’-般先將扣具與散熱器預組裝在一起, 1 匕時若該扣具之_未發铸性賴,職職散熱器組 、到電路板之4,該扣具難以與該散熱器保持穩固狀態, ^將扣具扣合到電路板上時受施力方向之影響易發生偏 广使扣具之鎖針難以與電路板上之通孔對準,從而增加 該扣具與電路板組裝之難度。 【發明内容】 有繁於此,有必要提供_料於組裝之散熱裝置組合 6 1305811 「~ ' 及其所使用之扣具。 - 该扣具包括一扣件及一彈性體,該扣件包括一主體及 設於該主體一端之一扣固部’該彈性體設於該扣件之主體 上,其中,該主體中心設有一貫通之插孔,該主體在設置 扣固部之一端設有一缺口,該扣具還包括一卡榫,該卡榫 包括一本體及設於該本體一端之一擋止部,該本體插設於 該扣件之插孔内,該擋止部收容於上述缺口内。 Φ 該散熱裝置組合包括一散熱器及至少一扣具,該散熱 器上设有穿孔,該扣具包括一扣件及一彈性體,該扣件包 括上端、下端及連接上、下端之一主體,該下端上設有一 扣固部,該彈性體設於該扣件之主體上,其中,該主體中 心設有一貫通之插孔,該扣具還包括插設於該扣件之插孔 内之+榫’該卡榫包括頂端、底端及連接頂端、底端之 -本體,該底端上赠一播止部,該卡棒之頂端與該扣件 之上端結合而形成一按塵部,該扣件之主體在設置扣固部 • 之下端設有供收容該卡榫之擋止部之一缺口,該卡榫之擋 止部穿過該賴n之減蚊位賊散熱器之底面,該彈 性體產生賴且纽__部與該散熱器之間。 與習知技術相比,藉由該卡榫之擋止部之設置,使該 扣具在與㈣路板扣合前可預先_地組裝至該散熱器 上’不易發生偏擺而便於該扣具與該電路板對準,從而在 將散熱器絲至祕板之過射具料於崎之優點。 【實施方式】 下面參照附圖,結合實施例作進一步說明。 圖1所示為本發明散熱裝置組合100其中一較佳實施 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。 該政熱10包括一基座12及自該基座12向上垂直延 伸之複數散熱片14,該基座12為一長方體結構,其四角 處分別設有一穿孔122 ’以供該等扣具20穿設。 °亥發熱電子元件30设置於該電路板40上,該電路板 40對應該散熱器1〇之每一穿孔122之位置分別設有一通 孔42,以供該等扣具20穿設。 凊參照圖2及圖3 ’該扣具20包括一*^榫22,一扣件 24及一彈性體26。該卡榫22由塑膠製成,其包括一本體 222、一頭部224及可沿該卡榫22之徑向彈性變形之一擋 止部226。該本體222為三段呈階梯分佈之實心柱體,所 述柱體之直徑由上向下逐級遞減。該頭部224設於該本體 222之頂端,其上端呈倒圓台狀,下端呈圓柱狀,該倒圓 台部分之外徑大於該圓柱部分之外徑,該圓柱部分之直徑 大於該本體222上端柱體之直徑。該擋止部226設於該本 體222之底端,該擋止部226包括自本體222之底端週邊向 二相對方向斜向上一體延伸之兩倒勾2262。可以理解地, 該擋止邛226可包括三個、甚至更多個均勻分佈於本體222 底端週邊之倒勾2262。該擋止部226所在位置之本體222 下奴之外徑小於本體222上段之外徑,該擋止部226所在 位置較小之外徑可提供倒勾2262足夠之彈性形變空間,利 於該卡榫22之插入與拆卸。 1305811 該扣件24也由塑谬製成,該扣件% ^括二主ϋ、 柱頭244及可沿該扣件24之徑向彈性變形之一扣固部 施。該主體242之直徑與散熱器1〇之上穿孔122及電路 板4〇上之通孔42相當。該主體242呈中空筒狀,其中心 設有-貫通之插孔期,以供該卡榫Μ穿設。該柱頭Μ4 設於該主體242之上端’該柱頭244呈圓台狀,其與主體 242相鄰部分之外徑大於主體2似之外徑。該柱頭244之 上部設有一容置部2442以收容該卡榫22之頭部224之圓 柱部分。該扣固部246設於該主體242之下端,其為沿徑 向凸伸出該主體24週邊之兩相對之扣塊2462,該扣固部 246之上鈿與主體242相鄰部分之外徑大於該主體242之 外徑,在該扣固部246上端形成有一定位面2464,並在各 扣塊2462之侧面形成一傾斜之導引面2466,該兩導引面 2466之間距由下向上逐漸增加。該扣固部246之兩扣塊 2462之間開設有一缺口 248,該缺口 248自主體242之下 端向上延伸且與主體242之插孔2422相連通,可提供該扣 固部246向内之彈性形變空間,該缺口 248向上延伸有適 當之長度,以收容該卡榫22之擋止部226,並提供該擋止 部226上倒勾2262之自然展開空間。 該彈性體26為一彈簧,該彈性體26套設於該扣件24 之主體242上。該彈性體26位於該扣件24之桎頭244與 卡榫22之擋止部226之間,其一端可抵接在該扣件%之 柱頭244之下端,可以理解地,該彈性體26也可為其他可 發生彈性形變之物體,如倒V形之金屬彈片等。 1305811 w ; v . / 請參照^至圖4,預組裝時,該卡棒22穿設於該扣 件24之插孔助中,該卡棒22之頭部⑼收容於該扣件 24之柱頭施之容置部2442内,形成扣具20之按壓部28 (參照圖4)。該卡榫22之擔止部细受擠壓穿過扣件% 之插孔2422後收容於該扣件24之缺口 248處,且該播止 部226上之倒勾2262經扣件24之缺口施向外穿出,田如 圖3所示。該彈性體26套設於該扣件%之主體旭上, 並位於扣具2〇之按壓部π與卡榫η之擔止部Μ6之間。 將該等扣具20之扣固部246分別對準該散熱器1()之穿孔 122,向下按壓該等扣具2〇之按壓部28,使扣件%之扣 固邛246及卡榫22之擒止部226受擠壓而依次穿過該散熱 器10之穿孔122。如圖4所示,當該卡榫22之擋止部226 牙過該散熱H 10之穿孔122後,轉性體26夾設於該扣 具20之按壓部28與該散熱器1〇之間,該彈性體%被壓 縮而產生適當之彈性形變,使該彈性體26之上、下兩端分 別壓緊該按壓部28與散熱器10,同時,該卡棒22之擋止 β 226向外回彈並抵接在該散熱器1〇之底面,從而將該等 扣具20穩固地預組裝至該散熱器1〇上。 如圖5所示,組裝時,將散熱器10放置於發熱電子元 件30之上方’扣件24之扣固部246與該電路板40之通孔 42對齊。請參照圖6至圖8,向下按壓該等扣具20之按壓 部28,使彈性體2ό進一步受壓發生彈性形變,並使扣件 24之扣固部246受壓内縮而發生彈性形變以穿過該電路板 40之通孔42,而後發生彈性回彈以使該扣固部246之定位 1305811The buckle includes a lock pin and a spring having a hook portion that can abut against the spring and a snap portion that abuts the circuit board, and the buckle of the lock pin. The 散热器 is sequentially passed through the heat sink and the through hole formed in the circuit board and abuts against the circuit board, and the spring is sandwiched between the heat sink and the head of the lock pin to fix the heat sink to the circuit board. In actual use, the fasteners and the heat sinks are pre-assembled together. If the fasteners are not cast, the thermal radiators and the circuit boards are 4, which is difficult to The heat sink is kept in a stable state, and when the buckle is fastened to the circuit board, the influence of the direction of the force is easily widened, so that the lock pin of the buckle is difficult to be aligned with the through hole on the circuit board, thereby increasing the buckle. Difficulty in assembling with a circuit board. SUMMARY OF THE INVENTION In view of this, it is necessary to provide a heat sink assembly 6 1305811 "~ ' and the fastener used therein. - The buckle includes a fastener and an elastic body, the fastener includes a main body and a fastening portion disposed at one end of the main body. The elastic body is disposed on the main body of the fastener. The center of the main body is provided with a through hole. The main body is provided with a notch at one end of the fastening portion. The buckle further includes a latch, and the latch includes a body and a stop portion disposed at one end of the body, the body being inserted into the receptacle of the fastener, the retaining portion being received in the notch Φ The heat sink assembly comprises a heat sink and at least one buckle, the heat sink is provided with a perforation, the buckle comprises a fastener and an elastic body, the fastener comprises an upper end, a lower end and one of the upper and lower ends The main body has a fastening portion on the lower end, and the elastic body is disposed on the main body of the fastener. The center of the main body is provided with a through hole. The buckle further includes a socket inserted in the fastening member. +榫' The card includes the top, bottom and connection a bottom end and a bottom end, the bottom end is provided with a play end, and the top end of the stick is combined with the upper end of the buckle to form a dust pressing portion, and the main body of the fastener is disposed at the lower end of the fastening portion Having a notch for receiving the latching portion, the latching portion of the latching portion passes through the bottom surface of the mosquito-repellent thief radiator of the rying, and the elastic body generates a heat-dissipating portion and the heat-dissipating portion Compared with the prior art, the buckle can be pre-assembled onto the heat sink before being fastened to the (four) road board by the setting of the stop portion of the clicker. Moreover, it is convenient for the buckle to be aligned with the circuit board, so that the radiation of the heat sink wire to the secret plate is advantageous. [Embodiment] Hereinafter, the embodiment will be further described with reference to the accompanying drawings. The heat dissipating device assembly 100 includes a heat sink 10, a plurality of clips 20, a heat generating electronic component 30, and a circuit board 40. The political heat 10 is shown as a preferred embodiment of the heat sink assembly 100 of the present invention. A susceptor 12 and a plurality of fins 14 extending vertically upward from the susceptor 12, the pedestal 12 A rectangular parallelepiped structure is provided with a through hole 122' at each of the four corners for the fasteners 20 to be disposed. The heat-emitting electronic component 30 is disposed on the circuit board 40, and the circuit board 40 corresponds to each of the heat sinks 1 The through holes 122 are respectively provided with a through hole 42 for the fasteners 20 to pass through. Referring to Figures 2 and 3, the fastener 20 includes a fastener 22, a fastener 24 and an elastic body 26. The cassette 22 is made of plastic and includes a body 222, a head 224 and a stop portion 226 elastically deformable along the radial direction of the cassette 22. The body 222 is a solid column with three steps in a stepped manner. The diameter of the cylinder is gradually decreased from top to bottom. The head 224 is disposed at the top end of the body 222, and has an upper end having a rounded shape and a lower end having a cylindrical shape, and the outer diameter of the rounded portion is larger than The outer diameter of the cylindrical portion has a diameter larger than the diameter of the upper end of the body 222. The stopping portion 226 is disposed at a bottom end of the body 222. The stopping portion 226 includes two barbs 2262 extending integrally from the bottom end of the body 222 to the opposite directions. It can be understood that the stop 226 can include three or even more barbs 2262 uniformly distributed around the bottom end of the body 222. The outer diameter of the body 222 at the position of the stopping portion 226 is smaller than the outer diameter of the upper portion of the body 222, and the outer diameter of the blocking portion 226 is small enough to provide a sufficient elastic deformation space of the barb 2262, which is favorable for the card. 22 insertion and removal. 1305811 The fastener 24 is also made of plastic, which comprises two main jaws, a stud 244 and a fastening portion that is elastically deformable along the radial direction of the fastener 24. The body 242 has a diameter corresponding to the through hole 122 above the heat sink 1 and the through hole 42 on the circuit board 4. The main body 242 has a hollow cylindrical shape, and a center thereof is provided with a through-hole period for the card to pass through. The stud head 4 is disposed at the upper end of the main body 242. The stud head 244 has a truncated cone shape, and an outer diameter of a portion adjacent to the main body 242 is larger than an outer diameter of the main body 2. An upper portion of the stud head 244 is provided with a receiving portion 2442 for receiving the cylindrical portion of the head portion 224 of the cassette 22. The fastening portion 246 is disposed at a lower end of the main body 242, and is a pair of opposite buckles 2462 protruding radially from the periphery of the main body 24. The outer diameter of the portion of the fastening portion 246 adjacent to the main body 242 A locating surface 2464 is formed at an upper end of the fastening portion 246, and an inclined guiding surface 2466 is formed on a side of each of the fastening blocks 2462. The distance between the two guiding surfaces 2466 is gradually increased from bottom to top. increase. A notch 248 is defined between the two fastening blocks 2462 of the fastening portion 246. The notch 248 extends upward from the lower end of the main body 242 and communicates with the insertion hole 2422 of the main body 242 to provide an elastic deformation of the fastening portion 246 inwardly. The recess 248 extends upwardly to a suitable length to receive the stop portion 226 of the latch 22 and provide a natural deployment space for the barb 2262 on the stop portion 226. The elastic body 26 is a spring, and the elastic body 26 is sleeved on the main body 242 of the fastener 24 . The elastic body 26 is located between the ram 244 of the fastener 24 and the stop portion 226 of the latch 22, and one end thereof can abut the lower end of the stud 244 of the fastener. It is understood that the elastic body 26 is also It can be other objects that can be elastically deformed, such as inverted V-shaped metal shrapnel. 1305811 w ; v . / Please refer to FIG. 4 , in the pre-assembly, the rod 22 is inserted into the jack of the fastener 24 , and the head ( 9 ) of the rod 22 is received in the stud of the fastener 24 . Inside the holding portion 2442, a pressing portion 28 of the clip 20 is formed (see Fig. 4). The supporting portion of the latch 22 is tightly received by the insertion hole 2422 of the fastener member, and is received at the notch 248 of the fastener 24, and the barb 2262 of the locking portion 226 is notched by the fastener 24. The outside is worn out, as shown in Figure 3. The elastic body 26 is sleeved on the main body of the fastener, and is located between the pressing portion π of the buckle 2〇 and the supporting portion 6 of the cassette 。. The fastening portions 246 of the fasteners 20 are respectively aligned with the through holes 122 of the heat sink 1 (), and the pressing portions 28 of the fasteners 2 are pressed downward to make the fasteners 邛 246 and the buckles The stop portion 226 of 22 is squeezed to pass through the perforations 122 of the heat sink 10 in sequence. As shown in FIG. 4, after the blocking portion 226 of the latch 22 passes through the through hole 122 of the heat dissipating H 10 , the rotating body 26 is interposed between the pressing portion 28 of the clip 20 and the heat sink 1 . The elastic body % is compressed to generate a suitable elastic deformation, so that the upper and lower ends of the elastic body 26 respectively press the pressing portion 28 and the heat sink 10, and at the same time, the blocking rods 226 are outwardly blocked. Rebound and abut against the bottom surface of the heat sink 1 to securely pre-assemble the fasteners 20 onto the heat sink 1 . As shown in Fig. 5, the heat sink 10 is placed over the heat generating electronic component 30 during assembly. The fastening portion 246 of the fastener 24 is aligned with the through hole 42 of the circuit board 40. Referring to FIG. 6 to FIG. 8 , the pressing portion 28 of the fastener 20 is pressed downward to elastically deform the elastic body 2 further, and the fastening portion 246 of the fastener 24 is compressed and contracted to be elastically deformed. Passing through the through hole 42 of the circuit board 40, and then elastic rebound occurs to position the fastening portion 246 1305811
面2464抵接在該電路板40之底面,並將該散熱器〜」 固定於該發熱電子元件30上。 該散熱裝置組合100中,所用之扣具20藉由設置具有 擋止部226之卡榫22,使得該等扣具20可以預先組袭至 該散熱器10上,藉由彈性體26之彈性形變作用,使該等 扣具20與該散熱器10保持垂直且穩固之狀態,不易發生 偏擺而利於後續與電路板4〇之組裝。 綜上所述,本發明符合發明專利要件,爰依法提出專 利申請。惟,以上所述者僅為本發明之較佳實施例,舉凡 熟悉本紐藝之人士,在絲本發鴨神所作之等效修 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係本發絲置組合財-實施例之立體分解The surface 2464 abuts against the bottom surface of the circuit board 40 and fixes the heat sink 〜 to the heat-generating electronic component 30. In the heat sink assembly 100, the clips 20 used are provided with the latches 22 having the blocking portions 226, so that the clips 20 can be pre-assembled onto the heat sink 10, and the elastic deformation of the elastic body 26 is obtained. The function of the fasteners 20 and the heat sink 10 is maintained in a vertical and stable state, and the deflection is less likely to occur, which facilitates subsequent assembly with the circuit board 4 . In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and those who are familiar with the present art, equivalent modifications or changes made by the silk god duck should be included in the following patent application. [Simple description of the diagram]. Figure 1 is a three-dimensional decomposition of the hairline combination of the present invention
圖2係圖i所示散紐倾合巾扣具之城分解圖。 圖3係圖2所示扣具之組裝侧視圖。 後之=圖1所示散熱裝置組合中扣具與散熱器_ ==示散熱裝置组合之_侧面示意圖。 =系圖1所示散熱裝置組合組裝完成後之示意圖。 圖7係圖6所示散熱褒置組合之局部剖視圖。 圖8係圖i所示散絲置組合之立體組裝圖。 【主要元件符號說明】 散熱器 1〇 穿孔 122 散熱裝置組合100 基座 12 11 1305811 月7^修(更 |ΐ · ), 散熱片 14 扣具 20 卡榫 22 本體 222 頭部 224 擔止部 226 倒勾 2262 扣件 24 主體 242 插孔 2422 柱頭 244 容置部 2442 扣固部 246 扣塊 2462 定位面 2464 導引面 2466 缺口 248 彈性體 26 按壓部 28 電子元件 30 電路板 40 通孔 42 參 12Figure 2 is an exploded view of the car of the dip-shaped towel buckle shown in Figure i. Figure 3 is an assembled side view of the clip of Figure 2. After the = heat sink device shown in Figure 1 in the combination of the buckle and the heat sink _ = = shows the heat sink combination _ side view. = Schematic diagram of the assembly of the heat sink shown in Figure 1. Figure 7 is a partial cross-sectional view showing the heat sink assembly shown in Figure 6. Figure 8 is a perspective assembled view of the combination of the filaments shown in Figure i. [Main component symbol description] Heatsink 1 〇Perforation 122 Heat sink combination 100 Base 12 11 1305811 Month 7^Repair (more |ΐ · ), Heat sink 14 Buckle 20 Card 22 Body 222 Head 224 Support 226 Barb 2262 Fastener 24 Main body 242 Jack 2422 Stud 244 Retaining part 2442 Fastening part 246 Buckle 2462 Positioning surface 2464 Guide surface 2466 Notch 248 Elastomer 26 Pressing part 28 Electronic component 30 Circuit board 40 Through hole 42 Reference 12