M311549 八、新型說明： -【新型所屬之技術領域】 、 本創作係與一種手工具有關，更詳而言之，特別是指 一種藉由控制一桿體上之卡摯開關鈕卡抵塊壓抵一鋼珠卡 甘入於本冑延伸桿上之卡嵌珠&中，4吏該本體可於該桿體 上伸縮或限位固定之手工具之伸縮桿構造。 【先前技術】 按，請參閱第一圖所示，習知手工具之伸縮桿構造， •該手工具10主要係包含有一本體11、一桿體12及一 控制套1 3、一彈簧1 4及-C型扣i 5所構成，該本體 1 1上係沿轴向等間距凹設有數個卡掣珠孔i i i，該等 卡掣珠孔1 1 1間並以一淺凹槽i i 2連接，該桿體工2 一侧開没一定位孔；[2 1，供一定位珠1 2 2置設於其 上，並於該桿體1 2上環凹設一環溝χ 2 3，供該c型扣 1 5套设於其上，而該控制套1 3兩侧内係分別成型設有 一控制槽131及一置放槽132，且設有一端部成型為 控制斜面1 3 3 1之擋凸緣1 3 3相區隔，而該彈簧工4 係套置於該桿體1 2上，使該彈簧1 4 一侧與該擋凸緣1 3 3相接觸，另一側則與套設於該環溝丄2 3上之c型扣 1 5相靠抵，因此，當欲調整伸縮時，先將該控制套工3 往該C型扣1 5方向滑移，使該控制套i 3之控制斜面工 3 3 1與定位珠1 22分離，而位於控制槽1 3 1内，且 不會與該本體1 1之卡掣珠孔1 i i及淺凹槽i i 2相嵌 設，而可伸縮調整該本體1 1於預定段落之長度，當該控 5 M311549 • 制套1 3回至原位時，該定位珠1 2 2卡嵌於該等卡掣珠 孔1 1 1上，以達到限位固定之功效者。 【新型内容】 惟’習知手工具之伸縮桿構造，當欲調整該本體1 1 之長度時，需持續於該控制套i 3上施予軸向力，使其調 整時需額外施加作用力，操作時相當不便，另，該控制套 1 3及桿體1 2間係需置設彈簧i 4，相對增加了該控制 套1 3與柃體1 2間之間隙，當使用該控制套丄3時，該 鲁控制套1 3易左右偏擺，使該控制套工3與桿體工2間之 歪斜f月形產生，易造成使用上之不便。 本創作提供一種手工具之伸縮桿構造，該手工具包含 -本體、-桿體及-切定位裝s，該桿體一侧轴向貫設 一供該本體延伸桿相對套接於其中之軸孔，該桿體外環凹 設-貫設有珠孔之滑槽，而該卡擎定位裝置係由一卡擎開 關紐、-彈性疋件及一限位板組成，該卡擎開關紐係以卡 •抵塊滑設於滑槽上，供該本體可於桿體上軸向伸縮，且該 卡摯開關紐可受彈性元件之彈力回復至原本位置，使該卡 抵塊可壓抵-鋼珠卡叙於該本體之卡擎珠孔中，以限固該 本體於桿體上。 本創作所提供之手工具之伸縮桿構造，該本體係利用 該卡摯開關紐之卡抵塊壓抵鋼珠卡嵌限位於該卡掣珠孔中 該桿體上，其定位方式準確，不易使鋼珠脫離於 〇卡㈣孔，且❹者只需料操作，即可使 桿體伸縮其長度’以具有操作簡易之功效，另，該卡擎開 6 M311549 '關紐係以左右偏轉方式旋控，其旋控方式適合人體手指撥 動之動作，使其達到符合人性化之需求者。 【實施方式】 睛參閲第二及三圖所示，本創作提供一種手工具之伸 縮桿構造之較佳實施例，該手工具主要係包含有一本體2 〇、一桿體3 0及一卡摯定位裝置4〇所構成；其中： 該本體2 0，前端係設有一工作頭部2 ;[，該工作頭 部2 1上樞設有一棘輪組2 1 1，可供樞接工具，且該工 •作頭部2 1後端係一體延伸成型一延伸桿2 2，該延伸桿 2 2係為一圓柱體，且其上並沿軸向等間距凹設有數個卡 掣珠孔2 2 1，該等卡掣珠孔2 2 1間並以一淺凹槽2 2 2連接，且該等卡掣珠孔2 2 1之深度係大於該淺凹槽2 2 2深度； 該桿體3 0，係為一圓柱體，其一侧係沿其軸向貫設 有一軸孔3 1 ’供該本體2 0之延伸桿2 2相對套接於其 Φ中’该桿體3 0係於靠近軸孔3 1之環緣處凹設一呈二階 梯狀之滑槽3 2，該滑槽3 2内係穿設有一珠孔3 3，供 鋼珠3 4置$又於其上，且该珠孔3 3孔控係略大於該鋼 珠3 4直徑，使該鋼珠3 4可卡嵌於該本體2 〇之卡掣珠 孔2 2 1中，且該桿體3 0係於滑槽3 2縱向兩侧各凸設 二凸柱3 5，另，該桿體3 0相對軸孔3 1之另一侧係設 有一套設握把之握柄部3 6，供使用者方便握取； 該卡摯定位裝置4 0，請配合參閱第四及六圖所示， 其係固設於該桿體3 0之滑槽3 2上，其係為一卡摯開關 7 M311549 -鈕4 1、一彈性元件4 2及一限位板4 3所組成，該卡摯 開關鈕4 1下侧係凸設有一相對滑槽3 2之卡抵塊4工 1使孩卡手開關紐4 1可藉由卡抵塊4 1 1滑設於該滑 槽3 2上，且該卡摯開關鈕4 1上侧係設有一成型為三角 幵y之扳動邛4 1 2，供使用者方便抵住該扳動部4 1 2， 使該卡摯開關鈕4 1滑設於該滑槽3 2上，該卡摯開關鈕 4 1係於相對該滑槽3 2橫向兩側上方各成型有一翼片4 1 3，另，該彈性元件4 2係置設於該卡摯開關鈕4 i滑 藝動時其卡抵塊4 1 1與相對之滑槽3 2間，使該彈性元件 4 2—侧與該滑槽3 2内面相接觸，另一侧則與該卡抵塊 4 1 1相罪抵，供該卡摯開關紐4 1滑動時，可藉由該彈 性元件4 2之彈性回復力回復至原始位置，同時，該限位 板4 3係成型為相對該桿體3 〇環緣之圓弧狀板片，其中 央相對該滑槽3 2位置處開設有一長條狀之穿透部4 3 1，使該限位板4 3可藉由穿透部4 3 1穿過該卡摯開關 •鈕41，固設於該本體20之滑槽32兩側環緣上，而該 卡摯開關鈕4 1可外露出其扳動部4 1 2者，該限位板4 3係於相對穿透部4 3 1橫向兩侧各設有一限位部4 3 2，且該桿體3 0之滑槽3 2係凹設為二階梯狀，該卡摯 開關紐4 1之翼片4 1 3係抵靠於其上，供該限位部4 3 2可壓抵住該翼片4 1 3，以限固該卡摯開關鈕4 1於該 滑槽3 2中滑設’另’該限位板4 3兩側係於相對凸柱3 5位置處穿設有一限位孔4 3 3，使該限位板4 3可利用 限位孔4 3 3卡合於該凸柱3 5上，而蓋設限固於該桿體 M311549 ’ 3 0之,:槽3 2 ί衣緣上，另外，該卡摯開關鈕4丄及限位 4 3係為金屬材貝所製成，其亦可相對為—塑膠材質所 、構成，以增加該手工具樣式之變化。 為供進一步瞭解本創作構造特徵、運用技術手段及所 預期達成之功效，兹將本創作使用方式加以敘述，相信當 可由=而對本創作有更深入且具體之瞭解，如下所述·· 明參閱第二至四圖所示，當欲組裝該手工具時，須先 將該鋼珠3 4置設於該桿體3 0滑槽3 2之珠孔3 3上， 鲁再將該卡摯開關紐41之卡抵塊411卡合於該滑槽32 上，使該卡摯開關鈕4 i可滑設於該滑槽3 2上，當該本 ^2 0伸縮至預定段落之長度時，該鋼珠3 4係下沉至該 等卡擎珠孔2 2 1 +，使該卡摯開關叙4 1可滑設至該鋼 珠3 4上方，且可藉由該卡抵塊4 i ^壓抵住鋼珠3斗卡 欲於該等卡掣珠孔2 2 1中，俾使該本體2 〇限固於該桿 體3 〇上，同時，將該彈性元件4 2置設於該滑槽3 2與 籲該卡抵塊411間，供該卡摯開關鈕41滑動時，可藉由 該彈性元件4 2之彈性回復力回復至原始位置，此外，再 將該限位板4 3藉由限位孔4 3 3卡合於該凸柱3 5上， 以蓋設限固於該桿體3 〇之滑槽3 2環緣上，另，該限位 板4 3之限位部4 3 2係可壓抵住該卡摯開關鈕4 1之翼 片4 1 3，使該卡摯開關鈕4 1可限固滑設於該滑槽3 2 中者。 接著，請配合參閱第五至七圖所示，當該卡摯開關鈕 4 1於該滑槽3 2中滑動時，該鋼珠3 4係因該卡抵塊4 M311549 .i1無法對其產纟一壓抵作帛’而可浮凸於該等卡擎珠孔 2 2 1上，且可於該淺凹槽2 2 2中滑動，供該本體2 〇 '可於該桿體3 0上軸向往復移動，調整伸縮其長度，而當 該本體2 0伸縮至預定段落之長度時，該鋼珠3 4係再次 下此至该等卡掣珠孔2 2工中，此時，請配合參閱第四及 八圖所不，s亥卡摯開關鈕4 1因受該彈性元件4 2之彈性 回復力，而回復至原本限固壓抵該鋼珠3 4之位置，且該 鋼珠3 4會再次受到該卡抵塊41工壓抵限位，而相對^ Φ嵌於該等卡擎珠孔221中，以限位固定該本體20於該 桿體3 0上者。 請參閱第八圖所示，本創作提供一種手工具之伸縮桿 構造之另一實施例，其主要功能係與前一實施例同，故不 再士贅述，其中，該桿體3 〇係於相對滑槽3 2縱向兩側各 凹叹一螺孔3 7，且s亥限位板4 3縱向兩側係於相對螺孔 3 7位置處各穿設—透孔4 3 4，供相對之螺絲3 8穿過 φ该透孔4 3 4，螺固於該等螺孔3 7中，使該限位板 可固設於該桿體3Q之滑槽32兩侧環緣上，丨，該限位 板4 3之外環面可相對於該卡摯開關紐4工滑動方向標設 有記號4 3 5，供使用者可易於辨識該卡擎開關紐丁: 操作方向者。 之 兹，再將本創作之特徵及其可達成之預期功效 下· 1、本創作之手工具之伸縮桿構造，該本體係利” 卡手開關紐之卡抵塊壓抵鋼珠卡嵌限位於該等卡擎珠孔^ M311549 ，以限固該本體於該桿體上，其心方 -珠脫離於該等卡掣珠孔中。 +易使鋼 2本創作之手工具之伸縮桿構造，該 該滑槽中滑設時，係利用該彈性元件之 易功效。 _位方切、可增加使用時之簡 3、本創作之手卫具之伸縮桿構造使用者只需單手 ㈣，即可使該本體於該桿體上調整 操作簡易之功效者。 便具具有 以左具之伸縮桿構造’該卡擎開關#係 以左右偏轉方式細作，其旋控方式適合人體 作，使其達到符合人性化之需求。 曰 動 綜上所述，本創作在同類產品中 用性，同時遍查國内外關於 八°之步實 亦未發現有相同的構造存在在先，是以 文獻中 新型專利要件，爰依法提出申請。 、已具備 惟，以上所述者，僅係本創作之一較佳 已’故舉凡應用柄作朗書及” 結構變化，理應包含在本創作之專利範圍内。斤為之專效 11 M311549 【圖式簡單說明】 第一圖係習知手工具伸縮結構之剖面示意圖。 弟一圖係本創作較佳實施例之立體外觀圖。 第三圖係本創作較佳實施例之立體外觀分解圖。 第四圖係本創作較佳實施例之限位動作組合剖視圖 第五圖係本創作較佳實施例之伸縮動作組合剖視圖 第六圖係本創作較佳實施例之限位動作剖面示意圖 第七圖係本創作較佳實施例之伸縮動作剖面示意圖 ^八圖係本創作另—實施例之局部立體 【主要元件符號說明】 肝口 【習知】 10 手工具 11 本體 111 卡掣珠孔 12 桿體 12 1 定位孔 1 2 3 環溝 1 3 控制套 13 1 控制槽 13 3 播凸緣 14 彈簧 15 C型扣 【新型】 2 0 本體 112 淺凹槽 122定位珠 132 置放槽 1 3 3 1控制斜面 12 M311549 . 2 1 2 2 2 2 1 3 0 3 1 3 3 3 5 3 7 • 4 0 4 1 4 11 4 13 4 2 4 3 4 3 1 4 3 3 * 4 3 4 工作頭部 延伸桿 卡掣珠孔 桿體 軸孔 珠孑L 凸柱 螺孔 卡摯定位裝置 卡摯開關鈕 卡抵塊 翼片 彈性元件 限位板 穿透部 限位孔 透孔 2 11 棘輪組 2 2 2 淺凹槽 3 2 滑槽 3 4 鋼珠 3 6 握柄部 3 8 螺絲 412 扳動部 432 限位部 4 3 5 記號 13M311549 Eight, new description: - [New technical field], this creative department is related to a hand tool, in more detail, especially by controlling the click of a card switch button on a rod In the card bead & which is placed on the extension rod of the Bengbu, the body can be telescopic or fixed to the telescopic rod structure of the hand tool. [Prior Art] According to the first figure, the telescopic rod structure of the conventional hand tool, the hand tool 10 mainly includes a body 11, a rod body 12, a control sleeve 13 and a spring 14 And a -C type buckle i 5, the body 1 1 is recessed in the axial direction with a plurality of latching bead holes iii, and the latching bead holes 1 1 1 are connected by a shallow groove ii 2 The rod body 2 has one positioning hole on one side; [2 1, a positioning bead 1 2 2 is disposed thereon, and a ring groove 2 3 is recessed on the rod body 1 2 for the c A sleeve 15 is disposed on the sleeve, and a control groove 131 and a placement groove 132 are respectively formed on both sides of the control sleeve 13. The one end portion is formed to control the inclined surface of the inclined surface 1 3 3 1 The edge 1 3 3 phase is separated, and the springwork 4 sleeve is placed on the rod body 1 2 such that the spring 14 side is in contact with the flange flange 13 3 and the other side is sleeved with The c-shaped buckle 15 on the ring groove 2 3 abuts against each other. Therefore, when the expansion and contraction is to be adjusted, the control sleeve 3 is first slid toward the C-shaped buckle 15 to make the control sleeve i 3 Control the beveling work 3 3 1 and the positioning bead 1 22 separate, while the bit In the control slot 133, and not embedded in the card boring hole 1 ii and the shallow groove ii 2 of the body 1 1 , and telescopically adjusting the length of the body 1 1 in a predetermined paragraph, when the control 5 M311549 • When the sleeve 1 is returned to the original position, the positioning bead 1 2 2 is stuck in the latching hole 1 1 1 to achieve the effect of limiting the fixing. [New content] Only the telescopic rod structure of the conventional hand tool, when the length of the body 1 1 is to be adjusted, the axial force must be applied to the control sleeve i 3 to apply additional force when adjusting. The operation is quite inconvenient. In addition, the spring i 4 is required between the control sleeve 13 and the rod body 12, and the gap between the control sleeve 13 and the body 12 is relatively increased. When the control sleeve is used, At 3 o'clock, the control sleeve 1 of the Lu is easy to yaw, so that the control sleeve 3 and the rod body 2 are skewed, which is easy to cause inconvenience in use. The present invention provides a telescopic rod structure of a hand tool, the hand tool comprising a body, a rod body and a cutting positioning device, wherein one side of the rod body is axially disposed with an axis for the body extension rod to be relatively sleeved therein a hole, the outer ring of the rod is concavely disposed - a chute having a bead hole, and the card locating device is composed of a card engine switch button, an elastic member and a limit plate, and the card switch switch is a card • The block slide is arranged on the chute, the body can be axially extended and contracted on the rod body, and the snap switch button can be restored to the original position by the elastic force of the elastic member, so that the card resisting block can be pressed against the steel ball card It is described in the hole of the card cylinder of the body to limit the body to the rod body. The telescopic rod structure of the hand tool provided by the creation, the system uses the card clamp button to press the block to press the steel ball card to be embedded in the rod body of the card hole, and the positioning method is accurate and difficult to make The steel ball is separated from the Leica (four) hole, and the latter can only make the length of the rod telescopic by the operation of the material. The utility model has the function of simple operation. In addition, the card is opened 6 M311549 'the button is rotated by the left and right deflection mode. The method of the rotation control is suitable for the movement of the human finger to make it meet the needs of humanization. [Embodiment] As shown in the second and third figures, the present invention provides a preferred embodiment of a telescopic rod structure of a hand tool. The hand tool mainly comprises a body 2 〇, a rod body 30 and a card. The locating device 4 is configured; wherein: the body 20 has a working head 2 at the front end; [the working head 2 1 is pivotally provided with a ratchet set 21 1 for pivoting tools, and the The front end of the head portion 2 is integrally formed with an extension rod 2 2 , and the extension rod 2 2 is a cylinder, and a plurality of latching holes 2 2 1 are recessed thereon at equal intervals in the axial direction. The card holes are 2 2 1 and connected by a shallow groove 2 2 2 , and the depth of the card hole 2 2 1 is greater than the shallow groove 2 2 2 depth; the rod body 3 0 , is a cylinder, one side of which has a shaft hole 3 1 ' along its axial direction for the extension rod 2 2 of the body 20 is relatively sleeved in its Φ 'the rod body 30 is close to the shaft A chute 3 2 is formed in the annular edge of the hole 3 1 , and a bead hole 3 3 is disposed in the chute 3 2 for the steel ball 34 to be placed thereon, and the bead hole is 3 3 hole control system is slightly larger than the steel 3 4 diameter, so that the steel ball 3 4 can be stuck in the card hole 2 2 1 of the body 2, and the rod body 30 is attached to the two sides of the sliding groove 3 2 with two protrusions 3 5 In addition, the other side of the shaft 30 opposite the shaft hole 3 1 is provided with a grip portion 3 6 for gripping the grip; the latch positioning device 40, please refer to As shown in FIG. 4 and FIG. 6 , it is fixed on the sliding groove 3 2 of the rod body 30 , which is a card switch 7 M311549 - button 4 1 , an elastic element 4 2 and a limiting plate 4 3 The bottom of the card switch button 4 1 is convexly provided with a latching block 3 of the opposite chute 3 2 so that the child hand switch button 4 1 can be slid on the slip by the card resisting block 4 1 1 On the slot 3 2 , the upper side of the latch switch 4 1 is provided with a triggering 邛 4 1 2 shaped as a triangular 幵 y for the user to conveniently resist the triggering portion 4 1 2, so that the latching switch The button 4 1 is slidably disposed on the sliding slot 3 2 , and the latching switch button 4 1 is formed with a flap 4 1 3 formed on opposite sides of the lateral direction of the sliding slot 3 2 , and the elastic member 4 2 is coupled When the card switch button 4 i is sliding, the card is abutted against the block 4 1 1 and the opposite chute 3 2 The inner side of the elastic member 4 2 is in contact with the inner surface of the sliding groove 3 2 , and the other side is in conflict with the inner side of the sliding block 4 1 1 , when the card switch button 4 1 is slid The elastic restoring force of the elastic member 42 returns to the original position. At the same time, the limiting plate 43 is formed into an arc-shaped plate with respect to the ring edge of the rod body 3, and the center thereof is opposite to the position of the chute 32. A strip-shaped penetrating portion 4 3 1 is formed, so that the limiting plate 43 can pass through the latching switch button 41 through the penetrating portion 4 31 and be fixed to the sliding slot 32 of the body 20 On the side of the side ring, the latching switch 4 1 can expose the triggering portion 4 1 2 , and the limiting plate 4 3 is respectively disposed on the lateral sides of the opposite penetrating portion 43 1 . 3 2, and the sliding groove 3 2 of the rod body 30 is concavely arranged in a two-step shape, and the flap 4 1 3 of the cassette switch button 4 1 is abutted thereon for the limiting portion 4 3 2 The flap 4 1 3 can be pressed against the slider switch 4 1 to be slidably disposed in the chute 32. The other end of the limiting plate 43 is attached to the opposite post 35. Wearing a limiting hole 4 3 3, the limiting plate 43 can be engaged with the limiting hole 4 3 3 The post is 35, and the cover is fixed to the rod M311549 '30, the groove 3 2 ί, and the card switch button 4 and the limit 4 3 are metal shells. It can also be made of a plastic material to increase the change of the style of the hand tool. In order to further understand the characteristics of this creation, the use of technical means and the expected effect, we will describe the use of this creation. I believe that we can have a deeper and more specific understanding of this creation by =, as described below. As shown in the second to fourth figures, when the hand tool is to be assembled, the steel ball 34 must be placed on the bead hole 3 3 of the rod 30 chute 3 2 , and the card switch button The latching block 411 of the 41 is engaged with the sliding slot 32, so that the latching switch 4i can be slidably disposed on the sliding slot 3 2, and the steel ball is stretched to the length of the predetermined paragraph The 3 4 series sinks to the card cylinder hole 2 2 1 +, so that the card switch switch 4 1 can be slidably disposed above the steel ball 3 4 , and can be pressed against the steel ball by the card resisting block 4 i ^ 3, the bucket card is intended to be in the card hole 2 2 1 , so that the body 2 is fixed to the rod body 3 ,, and the elastic member 4 2 is placed in the chute 3 2 When the card is turned to the block 411, when the card switch button 41 is slid, the elastic restoring force of the elastic member 42 can be restored to the original position, and the limit plate 4 3 is further limited. The hole 4 3 3 is engaged with the protrusion 3 5 , and is fixed to the ring edge of the sliding groove 3 2 of the rod body 3 , and the limiting portion 4 3 2 of the limiting plate 43 The flap 4 1 3 of the latch switch 4 1 can be pressed against the tab switch 4 1 so that the latch switch 4 1 can be restrained from sliding in the chute 3 2 . Then, as shown in the fifth to seventh figures, when the card switch button 4 1 slides in the chute 32, the ball 3 4 cannot be produced due to the card block 4 M311549.i1. a pressing force can be embossed on the card hole 2 2 1 and can slide in the shallow groove 2 2 2 for the body 2 〇 'on the axis of the rod 3 0 The reciprocating movement is performed to adjust the length of the telescopic tube. When the main body 20 is stretched to the length of the predetermined paragraph, the steel ball 34 is again lowered to the card hole 2 2, and the reference is made. In the fourth and eighth figures, the s-Hecker switch button 4 1 is restored to the position of the original steel ball 3 4 by the elastic restoring force of the elastic member 42, and the ball 3 4 is again subjected to The card resisting block 41 is pressed against the limit position, and the opposite side is embedded in the card blank hole 221 to fix the body 20 on the rod body 30 in a limit position. Referring to FIG. 8 , the present invention provides another embodiment of a telescopic rod structure of a hand tool. The main function of the present invention is the same as that of the previous embodiment, and therefore, the shaft body 3 is tied to The two sides of the sliding slot 3 2 are respectively slanted by a screw hole 3 7 , and the longitudinal sides of the sigma limiting plate 4 3 are respectively disposed at positions corresponding to the screw holes 37 - through holes 4 3 4 for relative The screw 3 8 passes through the through hole 4 3 4 and is screwed into the screw hole 3 7 so that the limiting plate can be fixed on the ring edges of the sliding groove 32 of the rod body 3Q, The outer ring surface of the limiting plate 43 can be marked with a mark 4 3 5 relative to the sliding direction of the card switch button 4, so that the user can easily recognize the card engine switch button: the direction of operation. Therefore, the characteristics of this creation and its expected performance can be achieved. 1. The telescopic rod structure of the hand tool of this creation, the system of the "handle switch" button is pressed against the steel ball card The card cylinder hole ^ M311549 is used to limit the body to the rod body, and the core-bead is separated from the hole of the card hole. When the sliding groove is slid, the elastic element is used for the efficacies. _ position cutting, which can increase the use of the simple 3, the user of the creation of the hand of the telescopic rod structure only needs one hand (four), ie The body can be adjusted on the rod body for easy operation. The utility model has the left-hand telescopic rod structure. The card truck switch # is made in a left-right deflection manner, and the rotation control method is suitable for the human body to make it reach In line with the needs of humanity. In summary, this creation is used in similar products. At the same time, it has not found the same structure in the first step at home and abroad. It is a new patent in the literature. Essentials, 提出 apply in accordance with the law. The above are only the preferred authoring system of the present one has' so that whenever the application for stem and Long book "structural changes, should be included within the scope of the present Creation. Special effects for the pound 11 M311549 [Simple description of the diagram] The first diagram is a schematic cross-sectional view of the telescopic structure of the conventional hand tool. Figure 1 is a perspective view of a preferred embodiment of the present invention. The third drawing is a three-dimensional exploded view of the preferred embodiment of the present invention. The fourth embodiment is a sectional view of the preferred embodiment of the present invention. The fifth embodiment is a sectional view of the telescopic action of the preferred embodiment of the present invention. The schematic diagram of the telescopic action of the preferred embodiment of the present invention is shown in the figure. The eighth part of the present invention is a partial stereoscopic image of the embodiment. [The main component symbol description] The liver mouth [known] 10 hand tool 11 body 111 card ball hole 12 rod body 12 1 Positioning hole 1 2 3 Ring groove 1 3 Control sleeve 13 1 Control groove 13 3 Broadcast flange 14 Spring 15 C-type buckle [New type] 2 0 Body 112 Shallow groove 122 Positioning bead 132 Positioning groove 1 3 3 1 Control Bevel 12 M311549 . 2 1 2 2 2 2 1 3 0 3 1 3 3 3 5 3 7 • 4 0 4 1 4 11 4 13 4 2 4 3 4 3 1 4 3 3 * 4 3 4 Working head extension bar掣 孔 孔 孔 孔 孔 孔 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 3 2 Chute 3 4 Steel ball 3 6 Grip part 3 8 Screw 412 Pulling part 432 Limiting part 4 3 5 Marking 13