201126380 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種觸控筆，尤其涉及一種應用於可攜式電 子裝置上之觸控筆。 [先前技術] [0002] 目前，越來越多之可攜式電子裝置如行動電話、個人數 位助理（personal digital assistant, PDA)及掌 上電腦都採用觸摸屏，故需設置一觸控筆以控制觸摸屏 。習知之觸控筆一般都設置於可攜式電子裝置内，當需 要使用觸控筆時，只需將觸控筆從上述殼體内拔出，如 此便能方便地控制觸摸屏。然而，由於可攜式電子裝置 殼體之長度一般較短，如要將觸控筆裝入其殼體内則觸 控筆也須設計之短一些，如此便限制了觸控筆之長度， 從而給操作者帶來諸多不便。為避免上述問題，市場上 也出現了一些可拉長之觸控筆，然而習知之可伸縮觸控 筆結構複雜，不易於製造。 【發明内容】 [0003] ' 1 鑒於上述内容，有必要提供一種結構簡單，易於製造之 可伸縮觸控筆。 [0004] 一種觸控筆，包括一中空之導向桿及一筆芯，該筆芯可 滑動地設於該導向桿内，該導向桿之二相對周壁上分別 開設有一滑槽，該筆芯上設有一滑銷，所述滑槽兩端還 分別延伸有一鎖止部，該鎖止部包括一與滑槽連通之鎖 止孔，該滑銷可滑動地容置於所述滑槽内，且該滑銷可 解除地鎖止於該鎖止孔内。 099101419 表單編號A0101 第4頁/共16頁 0992002766-0 201126380 [0005] [0006] 〇 [0007] [0008] Ο [0009] 本發明之觸控筆包含零部件較少，且所述部件之結構都 較簡單，故觸控筆方便於生產。觸控筆之導向桿上開設 一滑槽，筆芯沿該滑槽可滑動地設於導向桿上，使得該 筆芯可相對導向桿被拉長。拉長觸控筆時，只需相對筆 桿拉動筆芯即可，故觸控筆方便於操作。 實施方式】 本發明之觸控筆適用於可攜式電子裝置，如行動電話、 個人數位助理（personal digital assistant, PDA )及掌上電腦等。 請參閱圖1，該觸控筆100包括一筆筒10、一導向桿20、 一筆芯30及一筆帽40。該導向桿20藉由一定位銷50固接 於該筆筒10内，該筆芯30藉由一滑銷60可滑動地設置於 該導向桿20内，該筆帽40蓋合於該筆芯30上以保護該筆 芯3 0 〇 該筆筒10大致呈一管狀，其軸向地開設有一將其貫穿之 容置孔12。該容置孔12由四筒壁14圍成。筆筒10之二相 對筒壁14上分別開設有一固定孔142。所述固定孔142同 軸設置，且鄰近筆筒10之一端部設置，所述固定孔142用 以將定位銷50固定於該筆筒10上。 導向桿20大致呈一管狀，其軸向地開設有一將其貫穿之 容置腔22。該容置腔22由四周壁24圍成。導向桿20之二 相對周壁24上分別開設有一固接孔242。所述固接孔242 同軸設置，且鄰近導向桿20之一端部設置，所述固接孔 242用以使定位銷50穿過該導向桿20。 099101419 表單編號A0101 第5頁/共16頁 0992002766-0 201126380 [咖]導向桿20之二相對周壁24上分別開設有—將其貫通之滑 槽244，滑槽244兩端各延伸有一鎖土部246。每—鎖止 °P246包括一與滑槽244連通之U形槽2462、一位於滑檜 244正前方之導入槽2464、二位於導入槽2464兩侧之狹 持臂2466及設於所述挾持臂2466之間之 鎖止孔2468。％ 槽244為一長條形通槽，用以使滑銷6〇於其内滑動。_止 孔2468之橫截面大致與滑銷6〇之橫截面相當，如此，當 滑銷60容置於鎖止孔2468内時，可使滑銷6〇穩固地停留 於鎖止孔2468内，獲得停頓之手感。該導入槽2464之寬 度小於鎖止孔2 4 6 8冬直徑，該導入槽2 4 6 4用於將所述滑 銷60導入所述鎖止孔2468内並將所述滑銷6〇定位於鎖止 孔2468内。當所述滑銷60由該導入槽2464導入所述鎖止 孔2468内時，所述挾持臂2466向U形槽2462方向擴張以 方便滑銷60滑入鎖止孔2468。因此’ u形槽2462起一讓 位槽之作用，以使滑銷60順利滑入鎖土孔2468。換句話 說，藉由開設該U形槽2462，相當於每’挾持臂2466之 外側開設一讓位槽’以使滑銷60順利;骨入鎖止孔2468。 該導向桿20由耐磨性彈性材料製成’優選為聚氧化聚甲 醛（簡稱POM)。 [0011] 筆芯30包括一主體部32及一由主體部32~端延伸之筆頭 34。主體部32與筆頭34相連之部位開設有一卡槽36。該 主體部32大致呈一枉狀’其橫向開設有—通孔322，該通 孔322將滑銷60固定於該主體部32上。該筆頭34大致呈 一圓錐狀，用以觸發可攜式電子裝置之觸镇屏（圖未示 099101419 表單編號A0101 第6頁/共16頁 0992002766-0 201126380 [0012] 筆帽40内凸設有一卡環（圖未示），該卡環用以與筆芯 30之卡槽36卡持而使筆帽40穩固地蓋合於筆頭34上。為 使觸控筆100方便於攜帶，可於筆帽40上安裝一吊帶42。 [0013] 觸控筆100還包括一蓋體70。該蓋體70呈一平板狀，用以 蓋合於筆筒10之端部。蓋體70之一面上設有一套筒72， 該套筒72上開設有一定位孔722，該定位孔722用以使定 位銷50穿過以使蓋體70固接於筆筒10上。 [0014] Ο [0015] 請一併參閱圖1及圖2，組裝觸控筆100時可按如下步驟進 行： 首先，將筆芯30之通孔322與導向桿20之滑槽244對準， 然後向滑槽244内插入滑銷60，使滑銷60藉由緊配合固接 於通孔322内。此時，滑銷60之兩端分別容置於導向桿20 之二相對滑槽244内。 [0016] 然後，將上述導向桿20置於筆筒10内，再將蓋體70之套 筒72置於導向桿20内。之後，調整導向桿20、筆筒10及 蓋體70，以使導向桿20之固接孔242、筆筒10之固定孔 142及蓋體70之定位孔722對準。接著，將定位銷50插入 固定孔142、固接孔242及套筒72内，而使導向桿20、筆 筒10及蓋體70組裝為一體。最後，將筆帽40蓋合於筆芯 30之筆頭34上，使筆帽40之凸環（圖未示）卡合於筆芯 30之卡槽36内，觸控筆100即組裝完畢。 [0017] 請一併參閱圖3及圖4，使用觸控筆100時，先拉動筆帽40 遠離筆筒10，一併帶動筆芯30遠離導向桿20，使筆芯30 上之滑銷60於導向桿20之滑槽244内滑動，直至滑銷60 099101419 表單編號A0101 第7頁/共16頁 0992002766-0 201126380 鎖止於導向桿20之鎖止孔2468内。繼續拉筆帽40，使筆 帽40之卡環便脫離筆芯3〇之卡槽36而取下筆帽4〇，觸控 筆10 0即處於備用狀態。 [0018] 可以理解，U形槽2462主要係起一讓位槽之作用，以使滑 銷60順利滑入鎖止孔2468。故U形槽2462也可設置成一L 形槽’即僅保留U型槽之一側。同理，若將u形槽2462更 換成L形槽’則挾持臂2466也只需設置—個，且該挾持臂 2466設於該L形周圍。 [0019] 本發明之觸控筆1 00僅包含肇筒1 〇、.導向.桿2〇、筆怎30 和筆帽40等部#，且所述部件之結構都較簡單，故觸控 筆100方便於生產。觸控筆1〇〇之導向桿2〇固接於筆筒1〇 上，且導向桿20上開設一滑槽244，筆芯3〇沿該滑槽244 可滑動地設於導向桿20上，使得該筆芯3〇可相對筆筒1〇 被拉長。拉長觸控筆1〇〇時，只需相對辇筒1〇拉動筆帽4〇 即可，故觸控筆1〇〇方便於操作。 ... ： ： ：： .： . * .. 【圖式簡單說明】 [0020] 圖1係本發明較佳實施例觸控筆之分解圖； [〇〇21] 圖2係圖1所示之觸控筆之組裝圖； [0022] 圖3係圖2中觸控筆取下筆帽時之示意圖； [0023] 圖4係圖2中觸控筆去除筆帽和筆筒後之示意圖。 【主要元件符號說明】 [0024] 觸控筆：1〇〇 [0025] 筆筒：1〇 0992002766-0 099101419 表單編號A0101 第8頁/共16頁 201126380201126380 VI. Description of the Invention: [Technical Field] The present invention relates to a stylus, and more particularly to a stylus for use in a portable electronic device. [Prior Art] [0002] At present, more and more portable electronic devices such as mobile phones, personal digital assistants (PDAs) and PDAs use touch screens, so a stylus is needed to control the touch screen. . The conventional stylus is generally disposed in the portable electronic device. When the stylus is needed, the stylus is simply pulled out from the housing, so that the touch screen can be conveniently controlled. However, since the length of the portable electronic device housing is generally short, the stylus must be designed to be shorter when the stylus is to be inserted into the housing, thereby limiting the length of the stylus. It brings a lot of inconvenience to the operator. In order to avoid the above problems, some elongated stylus pens have appeared on the market. However, the conventional retractable stylus pen has a complicated structure and is not easy to manufacture. SUMMARY OF THE INVENTION [0003] In view of the above, it is necessary to provide a retractable stylus that is simple in structure and easy to manufacture. [0004] A stylus pen includes a hollow guide bar and a core, the pen core is slidably disposed in the guide bar, and two sliding slots are respectively defined on the opposite side walls of the guiding bar, and the pen core is provided There is a sliding pin, and a locking portion is further disposed at each end of the sliding slot, the locking portion includes a locking hole communicating with the sliding slot, the sliding pin is slidably received in the sliding slot, and the sliding pin The sliding pin is releasably locked in the locking hole. 099101419 Form No. A0101 Page 4 / Total 16 Pages 0992002766-0 201126380 [0005] [0006] [0009] [0009] The stylus of the present invention includes fewer components and the structure of the components It is simpler, so the stylus is convenient for production. A sliding slot is formed on the guiding rod of the stylus, and the refill is slidably disposed on the guiding rod along the sliding slot, so that the refill can be elongated relative to the guiding rod. When the stylus is stretched, it is only necessary to pull the refill relative to the pen, so the stylus is convenient to operate. Embodiments The stylus of the present invention is suitable for portable electronic devices such as mobile phones, personal digital assistants (PDAs), and palmtop computers. Referring to FIG. 1, the stylus 100 includes a barrel 10, a guide rod 20, a core 30, and a cap 40. The guide rod 20 is fixed in the pen holder 10 by a positioning pin 50. The refill 30 is slidably disposed in the guide rod 20 by a sliding pin 60. The cap 40 is attached to the refill 30. In order to protect the refill 30, the pen holder 10 has a substantially tubular shape, and an axially opening a receiving hole 12 therethrough. The receiving hole 12 is surrounded by a four-tube wall 14. A fixing hole 142 is defined in each of the two opposite barrel walls 14 of the pen holder 10. The fixing holes 142 are disposed coaxially and disposed adjacent one end of the pen holder 10, and the fixing holes 142 are used to fix the positioning pin 50 to the pen barrel 10. The guide rod 20 is substantially tubular and axially defines a receiving cavity 22 therethrough. The accommodating chamber 22 is surrounded by a peripheral wall 24. A fixing hole 242 is defined in each of the two guiding rods 20 on the peripheral wall 24. The fixing holes 242 are coaxially disposed and disposed adjacent to one end of the guide rod 20, and the fixing holes 242 are used to pass the positioning pin 50 through the guide rod 20. 099101419 Form No. A0101 Page 5 / Total 16 Pages 0992002766-0 201126380 [Coffee] The guide bar 20 is respectively provided with a sliding groove 244 extending through the peripheral wall 24, and a lock portion is extended at each end of the sliding groove 244. 246. Each lock-locking P246 includes a U-shaped slot 2462 communicating with the sliding slot 244, an introduction slot 2464 located directly in front of the slider 244, two narrowing arms 2466 on both sides of the introduction slot 2464, and a holding arm disposed on the holding arm Locking hole 2468 between 2466. The % groove 244 is an elongated groove for sliding the slide pin 6 therein. The cross section of the stop hole 2468 is substantially equivalent to the cross section of the slide pin 6〇. Thus, when the slide pin 60 is received in the locking hole 2468, the sliding pin 6〇 can be stably stayed in the locking hole 2468. Get a feel of pause. The width of the introduction groove 2464 is smaller than the diameter of the locking hole 2 4 6 8 , and the introduction groove 2 4 6 4 is for guiding the sliding pin 60 into the locking hole 2468 and positioning the sliding pin 6〇 Inside the locking hole 2468. When the sliding pin 60 is introduced into the locking hole 2468 by the introduction groove 2464, the holding arm 2466 expands toward the U-shaped groove 2462 to facilitate the sliding of the sliding pin 60 into the locking hole 2468. Therefore, the u-shaped groove 2462 functions as a retaining groove to allow the slide pin 60 to smoothly slide into the lock hole 2468. In other words, by opening the U-shaped groove 2462, a retaining groove ' is provided on the outer side of each of the holding arms 2466 to make the sliding pin 60 smooth; the bone is inserted into the locking hole 2468. The guide bar 20 is made of a wear resistant elastic material 'preferably polyoxypolyformaldehyde (POM for short). [0011] The refill 30 includes a main body portion 32 and a pen head 34 extending from the main body portion 32 to the end. A card slot 36 is defined in a portion of the main body portion 32 that is connected to the pen tip 34. The main body portion 32 is substantially in the shape of a weir, which is laterally opened, and has a through hole 322 which fixes the slide pin 60 to the main body portion 32. The pen head 34 is substantially in the shape of a cone for triggering the touch screen of the portable electronic device (not shown in the figure 099101419, form number A0101, page 6 / page 16 0992002766-0 201126380 [0012] a cap is provided in the cap 40 a ring (not shown) for engaging with the slot 36 of the refill 30 to firmly cover the cap 40 to the pen head 34. To facilitate the stylus 100 to be carried, the cap stylus 40 can be attached to the cap 40. A sling 42 is mounted. [0013] The stylus 100 further includes a cover 70. The cover 70 has a flat shape for covering the end of the pen holder 10. A sleeve 72 is provided on one surface of the cover 70. The sleeve 72 defines a positioning hole 722 for passing the positioning pin 50 to fix the cover 70 to the pen holder 10. [0014] Please refer to FIG. 1 together. 2, when assembling the stylus pen 100, the following steps can be performed: First, the through hole 322 of the refill 30 is aligned with the sliding groove 244 of the guide rod 20, and then the sliding pin 60 is inserted into the sliding groove 244 to make the sliding pin. The fixing member 60 is fixed in the through hole 322 by a tight fit. At this time, the two ends of the sliding pin 60 are respectively received in the two opposite sliding grooves 244 of the guiding rod 20. [0016] Then, The guide rod 20 is placed in the pen holder 10, and the sleeve 72 of the cover 70 is placed in the guide rod 20. Thereafter, the guide rod 20, the pen holder 10 and the cover 70 are adjusted so that the guide rod 20 is fixed. 242, the fixing hole 142 of the pen holder 10 and the positioning hole 722 of the cover body 70 are aligned. Then, the positioning pin 50 is inserted into the fixing hole 142, the fixing hole 242 and the sleeve 72, so that the guide rod 20, the pen holder 10 and the cover are made. The body 70 is assembled into one body. Finally, the cap 40 is capped on the pen head 34 of the refill 30, and the convex ring (not shown) of the cap 40 is engaged in the card slot 36 of the refill 30, and the stylus pen 100 is [0017] Please refer to FIG. 3 and FIG. 4 together. When the stylus pen 100 is used, the cap 40 is pulled away from the pen holder 10, and the refill 30 is driven away from the guide bar 20 to make the reel on the refill 30. 60 slides in the sliding slot 244 of the guide bar 20 until the sliding pin 60 099101419 Form No. A0101 Page 7 / Total 16 pages 0992002766-0 201126380 Locked in the locking hole 2468 of the guiding rod 20. Continue to pull the cap 40 so that The snap ring of the cap 40 is removed from the cartridge slot 36 of the refill 3, and the cap 4 is removed, and the stylus 10 is in a standby state. [0018] It is understandable The U-shaped groove 2462 mainly functions as a retaining groove to smoothly slide the sliding pin 60 into the locking hole 2468. Therefore, the U-shaped groove 2462 can also be disposed as an L-shaped groove, that is, only one side of the U-shaped groove is retained. Similarly, if the U-shaped groove 2462 is replaced with an L-shaped groove, then only one of the holding arms 2466 is provided, and the holding arm 2466 is disposed around the L-shaped. [0019] The stylus pen 100 of the present invention only includes the cymbal 1 〇, the guide bar 2 〇, the pen 30 and the cap 40, and the components are simple, so the stylus 100 Convenient for production. The guide bar 2 of the stylus 1 is fixedly connected to the pen holder 1 , and a sliding slot 244 is defined in the guiding rod 20 , and the refill 3 可 is slidably disposed on the guiding rod 20 along the sliding slot 244 , so that The refill 3〇 can be elongated relative to the pen holder 1〇. When the stylus is stretched 1 ,, it is only necessary to pull the cap 4 辇 relative to the cymbal 1 ,, so the stylus 1 〇〇 is convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS [0020] FIG. 1 is an exploded view of a stylus according to a preferred embodiment of the present invention; [〇〇21] FIG. 2 is a diagram of FIG. [0022] FIG. 3 is a schematic view of the stylus of FIG. 2 when the cap is removed; [0023] FIG. 4 is a schematic view of the stylus after the pen cap and the pen holder are removed. [Main component symbol description] [0024] Stylus: 1〇〇 [0025] Pen holder: 1〇 0992002766-0 099101419 Form number A0101 Page 8 of 16 201126380
[0026] 導向桿 ：20 [0027] 筆芯： 30 [0028] 筆帽： 40 [0029] 定位銷 ：50 [0030] 滑銷： 60 [0031] 蓋體： 70 [0032] 容置孔 ：12 [0033] 岗璧· 14 [0034] 固定孔 ：142 [0035] 容置腔 ：22 [0036] 周壁： 24 [0037] 固接孔 ：242 [0038] 滑槽： 244 [0039] 鎖止部 ：246 [0040] U形槽： ：2462 [0041] 導入槽 :2464 [0042] 挾持臂 ：2466 [0043] 鎖止孔 ：2468 [0044] 主體部 ：32 099101419 表單編號A0101 第9頁/共16頁 0992002766-0 201126380 [0045] 筆頭：34 [0046] 卡槽：36 [0047] 通孔：322 [0048] 吊帶：42 [0049] 套筒：72 [0050] 定位孔：722 099101419 表單編號A0101 第10頁/共16頁 0992002766-0[0026] Guide rod: 20 [0027] Refill: 30 [0028] Cap: 40 [0029] Locating pin: 50 [0030] Sliding pin: 60 [0031] Cover: 70 [0032] Housing hole: 12 [ 0033] 璧 璧 · 14 [0034] fixing hole: 142 [0035] accommodating cavity: 22 [0036] peripheral wall: 24 [0037] fixing hole: 242 [0038] chute: 244 [0039] locking part: 246 [0040] U-shaped groove: : 2462 [0041] Introduction groove: 2464 [0042] Holding arm: 2466 [0043] Locking hole: 2468 [0044] Main body: 32 099101419 Form number A0101 Page 9 / Total 16 page 0992002766 -0 201126380 [0045] Note: 34 [0046] Card slot: 36 [0047] Through hole: 322 [0048] Strap: 42 [0049] Sleeve: 72 [0050] Positioning hole: 722 099101419 Form number A0101 Page 10 / Total 16 pages 0992002766-0