1293859 九、發明說明： 【發明所屬之技術領域】 本發明涉及-種固定裝置，尤指—種散熱器固定裝置。 【先前技術】 隨著電腦産業之快速發展，諸如中央處理器等電子元 件之運行能力不斷提高，其發熱量亦越來越大，散数成爲 如電子元件應用時必需要解決之問題。目前，業界-般在 I好元件上安裝散熱器進行散熱，其中安裝散熱器時需要 一扣合裝置，將散熱器固定於電子元件上。 美國專利第US5,901，039號中公開一種螺合式扣合裝 置’其具有一外螺紋之桿件，由上而下穿過散熱器，其透 過散熱器下表面後與散熱器下表面緊靠之位置上卡合 :二桿件和彈簧預組裝在散熱器上，此時彈簧被：縮產 疋預緊力該扣合裝置還具有向上透過電路板設有内 螺紋之被螺合機構。安裝散熱器時須將該套設有彈菁之桿 ^對準下讀螺合機構，錢對桿件向下施壓且同時進行 旋擰。惟，該桿件外露之螺紋沒有導向作用，不方便 =合機構’從而造成安褒不便。同時在安裝時，該桿件 外路之螺紋有到壞電路板上電子元件之危險。 【發明内容】 固定ίί於此’有必要提供一種安裝便捷、安全之散熱器 一種散熱器固定裝置’用以將散熱器固定於電路板上 6 1293859 對安裝於電路板上之電子元件散熱，該散熱器固定裴置勺 '括數個套設有彈性元件並可穿過散熱器之固定件、供固= ‘件穿設之套筒及相對於電路板固定並與固定件螺合之^ 筒，該固定件上設有卡環，並^套筒上設有與卡環配人之 倒扣。 ·。心 該實施方式與習知技術相比具有如下優點：該散熱器 固疋裝置採用套筒上開設與固定件卡環對應之倒扣結構， 鲁使套筒連接在固定件上，不僅避免固定件上之螺紋外露刮 壞相關電子s件’亦在固定件對準螺筒時套筒起到 作用^外安裝散熱器時，只需將該固定件套上彈菁:使 2卡環穿過套Μ之倒扣，再旋人即可完成散熱器之安 .裝，可見該散熱器固定裝置安裝便捷、安全。 【實施方式】1293859 IX. Description of the Invention: [Technical Field] The present invention relates to a type of fixing device, and more particularly to a heat sink fixing device. [Prior Art] With the rapid development of the computer industry, the operating capacity of electronic components such as central processing units has been continuously improved, and the amount of heat generated has become larger and larger, and the number of scattered numbers has become a problem that must be solved when applied to electronic components. At present, the industry generally installs a heat sink on a good component for heat dissipation, and a heat sink is required to mount the heat sink to fix the heat sink to the electronic component. US Patent No. 5,901,039 discloses a screw-type fastening device that has an externally threaded rod that passes from top to bottom through a heat sink that passes through the lower surface of the heat sink and abuts the lower surface of the heat sink. The position is engaged: the two rods and the spring are pre-assembled on the heat sink, and the spring is: the contraction and the pre-tightening force. The fastening device also has a screwing mechanism which is internally threaded through the circuit board. When installing the radiator, the sleeve must be equipped with the rod of the telescope, and the rod should be pressed downwards and screwed at the same time. However, the exposed thread of the rod has no guiding action, which is inconvenient to cause the inconvenience. At the same time, the thread of the outer part of the rod has the danger of damaging the electronic components on the circuit board. SUMMARY OF THE INVENTION It is necessary to provide a heat sink fixing device that is convenient and safe to install. The heat sink fixing device for fixing the heat sink to the circuit board 6 1293859 dissipates heat to the electronic components mounted on the circuit board. The heat sink fixed 勺 scoop 'includes a plurality of sets of elastic elements and can pass through the fixing parts of the heat sink, the fixing body = the sleeve which is worn by the piece, and the tube which is fixed relative to the circuit board and screwed with the fixing piece The fixing member is provided with a snap ring, and the sleeve is provided with an inverted buckle matched with the snap ring. ·. Compared with the prior art, the embodiment has the following advantages: the heat sink fixing device adopts an inverted structure corresponding to the fixing member snap ring on the sleeve, and the sleeve is connected to the fixing member, thereby avoiding not only the fixing member The thread on the exposed scraping of the related electronic s piece ' also plays a role when the fixing member is aligned with the screw barrel. When installing the heat sink outside, it is only necessary to put the fixing member on the elastic piece: make the 2 card ring pass through the sleeve The buckle can be turned down, and then the radiator can be installed to complete the installation. It can be seen that the radiator fixing device is convenient and safe to install. [Embodiment]
明參閱圖1至圖3’本發明一個實施例中之散熱器固戈 裝置是用以將散熱器如时於電路板3G上’使散熱器2 〃中央處理器32等電子元件緊密接觸。 該電路板30上安裝有中央處理器32,於中央處理繁 32周圍間隔分佈有供散熱器固定裝置穿設之通孔34。 Λ该散熱器20包括一基座22、設於該基座以上之複數 "、、鰭片24該基座22分別向外延伸四固定腳222 來 閱圖1) ’該固定腳222上對應電路板3〇之通孔％開設有 „器固定裝置之固定孔224,該固定孔224之上部 刀疋圍U乂大之六邊形階梯孔2241，下半部圍徑相對較小 7 1293859 之圓形穿孔2242。 \ 該散熱器固定裝置包括位於電路板30下方之背板 12、向下依次穿過基座22及電路板34之固定件16、套設 於固定件16上之彈性元件如彈簧15及套設於固定件16上 之套筒18。 該背板12具有矩形主體，該主體四角向外延伸設有與 基座22固定腳222對應之耳部122，該耳部122上還設有 •穿孔124，該穿孔124内向上穿設固定有柱狀螺筒14，該 螺筒14内攻設内螺紋142。 如圖3所示該固定件16包括一圓形頭部162、一柱體 164及一桿體166。該頭部162上面設有供操作工具配合之 十字槽，該柱體164設置於頭部162與桿體166之間，其 圍徑較頭部162小較桿體166大，該柱體164底部形成與 桿體166連接之一錐形台167 (請參閱圖4)，桿體166自 由端之週邊開設一段與該螺筒14内螺紋142相螺合之螺紋 # 169，並在桿體166鄰接螺紋169處，從桿體166上向外一 體凸伸一圓形卡環168,該卡環168之底部形成一自上往下 - 圍徑漸小、便於固定件16穿設之圓台。 該彈簧15之内徑略大於固定件16之柱體164直徑小 於固定件16頭部162之直徑。該彈簧15套設於固定件16 之緊靠頭部162之柱體164及與柱體164連接、上半段無 螺紋之桿體166上。 該套筒18具有較長之筒體182，該筒體182沿其中心 軸線設有上下貫通之筒孔184,該筒孔184直徑略大於固定 8 1293859 件16卡環外徑，而小於固定件16之頭部162外緣直徑。 該筒體182頂端周向向外凸伸有與基座22<六邊形階梯孔 2"241配合之六邊形凸環186，該凸環186週邊徑略大於彈 簧15之内徑，從而彈簧15可抵壓於凸環186上。該套筒 18之筒體182外徑較散熱器2〇基座22之穿孔224略小。 該筒體182上部内側鄰近凸環186相對兩.處分別向内形成 與筒體182㈣成-定角度之一兩相對之彈性倒扣皿。在 鲁固定件16穿設於套Μ 18中時，該倒扣188在固定件“之 卡環168抵壓下向外伸張使卡環168得以穿過，1後倒扣 ⑽回復自然狀態，抵頂在卡環168上面，從而將套筒18 活接在固定件16上。 —如圖4所示’女裝散熱器2〇時，首先將固定件16、彈 =15、套筒18預組裝於散熱器2〇之固定腳上，再將 安裝好散熱器20之基座22置於電路板3〇上，並使直固定 腳從之岐孔224與電路板3Q之通孔％對應，接著將 螺筒14穿過通孔34穿設在該固定腳222之固定孔上， 並與固定件16上的螺紋169螺合，從而將散熱器2〇穩固在 電路板30上。該安裝過程在套設好彈簧15之固定件μ穿 過該套筒18之卡環168時，套筒18之倒扣時，彈簧15已 被壓縮-定程度，産生一定之預緊力，向下抵壓套筒，使 =扣⑽與切168相卡掣，故固定件16只能向下克服彈 貫15彈力移動，而不能向上移動脫離套筒18，從而固定件 16、套筒18及彈簧15組合在一起。 接著將背板12之螺筒14向上對準套筒18及固定件“ 9 1293859 底知，然後利用合適工具下壓 1Λ〇 卜壓並擰動固定件16，使其設有 累、，文169之一段旋入螺筒μ内 ^ ^ ^ 门w円，隧者固定件16之下旋移 動彈貫15被壓縮而增大下懕其 哭川替曰穴下壓基座22之彈力從而將散熱 口口 30緊达、固貼在中央處理器32上。 ⑵该散熱器固定裝置採用套筒18上開設與固定件丄 % 168對應之倒扣188之結構 套疴18連接在固定件16 ==避免岐件16上之螺紋169外“__ ^亦在固定件16對準背板12上之螺筒m時套筒起到 V向之作用，此外安裝散熱器 σ 套上彈著15，使其卡環16δ穿過套時8、而=該固疋件以 χ 贫同18之倒扣188，冉斿 入螺缚14即可完成散熱器2〇 裝置安裝便捷。 了見該散熱器固定 综上所述，本發明符合發明專利要件，爰依法 =請。# ’以上所述者僅為本發明之較佳實施例，舉 υ案技藝之人士’在爰依本發明精神所作 : 或變化，皆應涵蓋於以下之中請專利範圍内。/多飾 【圖式簡單說明】 圖^本發明散熱器固定裝置和散熱器等 立體組合圖。 ϋ仟之 圖2是本發明散熱器固定裝置和散熱器 立體分解圖。 f相關π件之 圖3是圖1中散熱器固定裝置之放大分解圖。 圖4是圖1中散熱器固定裝置未安裝時之剖视圖。 1293859 【主要元件符號說明 背板 穿孔 内螺紋 固定件 柱體 錐形台 螺紋 筒體 凸環 散熱器 固定腳 穿孔 中央處理器 耳部 122 螺筒 14 彈簧 15 頭部 162 桿體 166 卡環 168 套筒 18 筒孔 184 倒扣 188 基座 22 階梯孔 2241 電路板 30 通孔 34 11Referring to Figures 1 through 3', the heat sink assembly in one embodiment of the present invention is used to bring the heat sink into close contact with the electronic components such as the heat sink 2 and the central processing unit 32 on the circuit board 3G. A central processing unit 32 is mounted on the circuit board 30, and through holes 34 through which the heat sink fixing means are disposed are disposed around the central processing unit 32. The heat sink 20 includes a pedestal 22, a plurality of ridges disposed above the pedestal, and fins 24 extending outwardly from the pedestal 22 to each of the four fixed legs 222. FIG. 1) The through hole of the circuit board 3 is provided with a fixing hole 224 of the device fixing device, the upper portion of the fixing hole 224 is a hexagonal stepped hole 2241, and the lower half has a relatively small diameter of 7 1293859. The circular fixing hole 2242. The heat sink fixing device comprises a backing plate 12 under the circuit board 30, a fixing member 16 passing through the base 22 and the circuit board 34 in sequence, and an elastic member sleeved on the fixing member 16, such as The spring 15 and the sleeve 18 sleeved on the fixing member 16. The back plate 12 has a rectangular body, and the four corners of the main body extend outwardly from the ear portion 122 corresponding to the fixing leg 222 of the base 22, and the ear portion 122 is further A perforation 124 is disposed. The perforation 124 is bored upwardly and fixed with a columnar screw 14 , and the internal thread 142 is tapped in the barrel 14 . The fixing member 16 includes a circular head 162 , as shown in FIG. 3 . a column 164 and a rod 166. The head 162 is provided with a cross groove for the operation tool to fit, and the column 164 is disposed on the head. Between the portion 162 and the rod 166, the circumference is smaller than the head 162 than the rod 166. The bottom of the column 164 forms a conical table 167 connected to the rod 166 (see FIG. 4). The rod body 166 A portion of the free end is threaded with a thread # 169 that is screwed into the thread 142 of the barrel 14. The rod 166 is adjacent to the thread 169, and a circular snap ring 168 is integrally protruded from the rod body 166. The bottom of the ring 168 forms a round table which is tapered from the top to the circumference of the fixing member 16. The inner diameter of the spring 15 is slightly larger than the diameter of the cylinder 164 of the fixing member 16 is smaller than the head 162 of the fixing member 16. The spring 15 is sleeved on the cylinder 164 of the fixing member 16 which abuts the head 162 and the rod 166 which is connected to the cylinder 164 and has no thread in the upper half. The sleeve 18 has a long cylinder 182. The cylinder 182 is provided with a vertically extending cylindrical hole 184 along its central axis. The diameter of the cylindrical hole 184 is slightly larger than the outer diameter of the fixed ring of the 1 1293859 piece 16 and smaller than the outer diameter of the head 162 of the fixing member 16. A hexagonal convex ring 186 is formed on the top end of the body 182 and protrudes outwardly from the pedestal 22<hexagonal stepped hole 2" 241. The inner diameter of the spring 15 is such that the spring 15 can be pressed against the convex ring 186. The outer diameter of the cylinder 182 of the sleeve 18 is slightly smaller than the outer diameter 224 of the base plate 22 of the radiator 2 182. The convex ring 186 is formed inwardly opposite to each other at an angle of one of the two angles of the cylinder 182 (four). When the lug 16 is inserted into the ferrule 18, the undercut 188 is fixed. "The snap ring 168 is extended outwardly under the pressure to allow the snap ring 168 to pass through. After the 1st buckle (10) returns to the natural state, it abuts against the snap ring 168, thereby activating the sleeve 18 on the fixing member 16. - As shown in Figure 4, when the 'women's radiator is 2", the fixing member 16, the spring=15, and the sleeve 18 are first pre-assembled on the fixed legs of the radiator 2, and the base of the radiator 20 is installed. 22 is placed on the circuit board 3, and the straight fixing leg is corresponding to the through hole 224 of the circuit board 3Q from the boring hole 224, and then the screw tube 14 is inserted through the through hole 34 to the fixing hole of the fixing leg 222. And screwing with the thread 169 on the fixing member 16 to secure the heat sink 2 to the circuit board 30. During the installation process, when the fixing member μ of the spring 15 is inserted through the snap ring 168 of the sleeve 18, when the sleeve 18 is reversed, the spring 15 has been compressed to a certain extent, and a certain pre-tightening force is generated. Pressing the sleeve down, so that the buckle (10) and the slit 168 are engaged, so that the fixing member 16 can only move downward against the elastic force of the elastic 15 and can not move upward and away from the sleeve 18, thereby fixing the member 16, the sleeve 18 and The springs 15 are combined. Then, the screw barrel 14 of the back plate 12 is aligned upwardly to the sleeve 18 and the fixing member, and then the bottom piece is pressed by a suitable tool, and the fixing member 16 is screwed to make it tidy. One section is screwed into the barrel μ ^ ^ ^ door w円, the lower part of the tunnel fixing member 16 is rotated and the upper portion 15 is compressed to increase the elastic force of the lower base of the crying tube The mouth 30 is tightly attached to the central processing unit 32. (2) The heat sink fixing device is connected to the fixing member 16 by the structural sleeve 18 of the sleeve 18 which is provided with the inverted buckle 188 corresponding to the fixing member % 168. Avoiding the thread 169 on the cymbal 16 "__ ^ also acts as a V-direction when the fixing member 16 is aligned with the screw m on the back plate 12, and the mounting heat sink σ is placed on the casing 15 to make it When the snap ring 16δ passes through the sleeve 8, and the fixed member is 188, the inverted buckle 188 of the same 18, the shackle 14 can be inserted to complete the installation of the heat sink 2 〇 device. See the heat sink fixing In summary, the present invention meets the requirements of the invention patent, 爰 legal = please. The above is only the preferred embodiment of the present invention, and those skilled in the art of the present invention are to be construed as being within the scope of the following claims. / Multi-decoration [Simple description of the drawing] Figure 2 is a three-dimensional combination of the heat sink fixing device and the heat sink of the present invention. Figure 2 is an exploded perspective view of the heat sink fixture and heat sink of the present invention. f related π parts Fig. 3 is an enlarged exploded view of the heat sink fixing device of Fig. 1. Figure 4 is a cross-sectional view of the heat sink fixture of Figure 1 when not installed. 1293859 [Main component symbol description Back plate perforated internal thread fixing member cylinder conical table screw barrel convex ring radiator fixing foot perforation central processor ear 122 screw 14 spring 15 head 162 rod 166 snap ring 168 sleeve 18 Borehole 184 Inverted 188 Base 22 Stepped Hole 2241 Circuit Board 30 Through Hole 34 11