M268476 八、新型說明： 【新型所屬之技術領域】 本創作係與伸縮管有關，特別是指一種截面呈非圓形 之伸縮管。 5【先前技術】 一般截面呈非圓形的伸縮管結構(90)，請參閱第九及第 十圖所示，係於内管(91)一端固設有一内管固定座(92)，固 定座(92)樞設一連動座(93)，連動座(93)設有一偏心輪(94)， 外管(95)之頂端係套設於内管(92)設有連動座(93)之一端， ίο外官(95)之底端樞設一底座(96)，底座(96)中心設有一穿通 連動座(93)之多邊形柱(97)，當使用者旋轉底座(96)即可藉 由多邊形柱(97)帶動連動座(93)旋轉，使偏心輪(94)之外^ 面抵接或分離於外管(95)之内壁，進而可控制外管(95)相對 固定於内管(91)或是相對於内管(91)移動。 15 然而，在上述之伸縮管結構(9〇)中’由於偏心輪(94)之 外周係呈橢圓形’當偏心輪(94)被帶動偏轉而抵接於外管 (95)時’偏心輪(94)之外周相對二側與外管(95)之内辟僅呈 線接觸狀態，外管(95)與偏心輪(94)之間的摩捧力較;I；，容 易==5)在受到較大之軸向外力時滑動，伸縮管就無法 穩疋地維持内、外管(91)(95)之間的相對長度。 【新型内容】 /因此，本創作之主要目的乃在於提供—種截面為非圓 形之伸縮管，其内、外管之間的固定強度較佳，較不易被 -4- M268476 15 20 外力改變内、外管之_相對長度。 為達成前揭目的，本創作之伸縮管包含有一内 一 =ίΓ旋轉件、一外管，以及一旋紐;其中該内管之 於該內其形’該定位環係以具彈性之材質製成，且設 闲=s —端’該定位環之外周面概略齊平於該内管之外 ;二=件中心具有一貫孔’且周面具有至少一距離 車 =之長徑部；該旋轉件係設於該定位環内，可於一 二二及—鬆釋角度間旋轉；該外管之截面配合該内 i外管\=頂端係套設於該内管設有該定位環一端，使 連才曰…㈠土對應於該定位環之外周面，而該旋紐具有一 轉二外管底端’該連桿則穿設於該旋 角度及卿釋ff2係藉由該連桿控制該旋轉件於該固定 轉至該固ΐ角‘間藉此’當該旋鈕帶動該旋轉件 壁，使^^ 環之外周關抵於該外管之内 件轉至;1::^ 辟相石八祕 又守，4疋位環之外周面則與該外營 :管之；的，使該外管可相對於該内管移動，用以達到内内 之固定強度較佳’較不易被外力改變内、二 之相對長度的目的。 外官間 【實施方式】 姓構’兹配合圖㈣舉—較佳實關，以對本創竹 1特點料細說明，料錢示之簡錢^作之 第 圖 係本創作一較佳實施例之正視 圖 •5- M268476 ^圖係本創作-較佳實施例之分解圖； 第二圖係本創作一較佳實施例之剖視 係轉至固定角度； 具中旋轉件 至固ί=係第一圖中4_4剖線之剖視圖’其中旋轉件係轉 ί== 第三圖，其中旋轉件係轉至鬆釋角度; 弟Α圖係_於相圖，其中旋轉件係轉至 弟七圖係本創作-較佳實施例之局部剖視圖顯干又外 管係移動至内管底端；以及 兄口顯不外 第八圖係本創作-較佳實_之應用示意圖。 外請參閱第—至第四圖’係為本創作-較佳實施例之伸 縮針H))’包含有-内管(2〇)、一定位環⑽、—旋轉件(4〇)、 一外管(50)，以及一旋紐(6〇);其中·· 15 該内管（20)之截面係呈橢圓形，底端塞入一嵌接件 ;嵌接件(21)為截面呈橢圓形之柱體，且截面略大於内 管(20)之㈣截面，嵌接件(21)中^具有—連勒管⑽之 通道(22) ’外周設有二導溝(23)，底端具有—凸垣㈤；嵌 接件(21)係塞入内管(20)之底端内部，使凸垣(24)之外周面 齊平於内官(20)之外壁’而各導溝(23)則可用以使嵌接件⑼ 順利地導入内管(2〇)。 該定位環(30)係以熱塑性塑膠材料經過射出加工所製 成，使定位環(30)具有呈彈性之結構；定位環(3〇)之截面積 亦為橢圓形，頂面二端具有二固定柱(32)，且外周貼合一橡 膠圈(34);定位環(3〇)之二固定柱(32)係嵌入嵌接件(21)之二 -6- 20 M268476 凹孔（圖中未不）内，使定位環(30)係設於内管(2⑴之底端， 且外周面概略齊平於内管(2〇)之外周面。 _而 該旋轉件(40)之中心具有一貫孔(41)，丁頁面具有_幸由部 (42)，貫孔(41)之截面係呈四角形，並且貫穿於軸部(42); 5旋轉件(4〇)之周面具有二距離中心較遠之長徑部(43)，長徑 部(43)之周面具有預定曲率；旋轉件(4〇)係設於定位環(％) 内，使軸部(42)穿入嵌接件(21)之通道，進而可於一固 定角度(如第四圖所示），以及一鬆釋角度(如第六圖所示）間 旋轉，當轉至固定角度時，二長徑部(43)係分別推抵定位環 H) (30)之内壁，使定位環(3〇)之外周壁呈凸起狀，當轉至鬆釋 角度時，二長徑部(43)係分離於定位環(3〇)之内壁，使定位 環(30)之外周回復至齊平於内管(2〇)外周之狀態。 忒外管（50)之截面係配合内管(2〇)，底端設有一握套 (51)，頂端設有一端蓋(53);握套(51)之底部具有一同軸連 is通外官（5〇)之通孔(55);外管(5〇)之頂端係套設於内管(2〇) 設有定位環(30)一端，使内管(20)及定位環(30)穿設過端蓋 (53)進入外管(50)内部，外管(5〇)即可沿内管(2〇)移動，而定 位環(30)之橡膠圈(34)外周面對應於外管(5〇)之内壁。 該旋鈕(60)之頂面具有一^^鉤部(62)，中心具有一連桿 2〇 (64) ’連桿(64)之截面配合於旋轉件(夠之貫孔(41)截面，底 端藉由螺接之方式固定於旋鈕(6〇)，頂端則穿經旋鈕(6〇)及 卡鉤部(62)中央朝上方延伸；旋鈕(60)之卡鉤部(62)係嵌設 於握套(51)之通孔(55)，使旋鈕(60)樞設於外管(50)之底端， 連桿(64)則位於内、外管(2〇)(5〇)之内部中央，並且穿經定 M268476 位％(30)、旋轉件(40)之貫孔(41)，以及嵌接件(21)之通道 (22) 連桿(64)之頂端另設有一卡止片⑽，如第七圖所示， 當外管(5〇)伸長時，可利用卡止片⑽抵觸於嵌接件⑼之 頂面，用以防止内、外管(20)(50)相互分離。 5 經由上述結構’如第五及第六圖所示’當使用者要調 整伸縮管(10)長度時，可先藉由旋轉旋紐(6〇)帶動連桿⑽) 控制旋轉件(4G)轉至鬆釋角度，使定位環(3())之橡膠圈㈤ 與外管(50^之内壁相互分離，外管⑼)即可被移動至需要的 位置’接著’如第二及第四圖所示，使用者再藉由旋轉旋 10鈕(60)帶動連桿(64)控制旋轉件(40)轉至固定角度，使旋轉 件(40)之二長徑部(43)推抵定位環(3〇)，而定位環(3〇)呈凸起 =區域抵接於外管(50)之内壁，外管(5〇)之内壁即可藉由與 定位環(30)之橡膠圈(34)之間的摩擦力而固定，使外管(5〇) 與内管(20)維持於預定之長度；由於旋轉件⑽之長徑部⑽ 15 ^面具有預定曲率，可藉由具有較小曲率的區域推抵定位 裒(30)，使疋位環(3〇)抵接於外管（5〇)之部位呈面接觸狀 怨，再利用表面摩擦力較大之橡膠圈(34)增加定位環⑽與 外管(50)之間的固定強度。 〃 請再參閱第八圖所示，當伸縮管（1〇)應用於一樹枝剪 20 (70)之握柄牯，使用者即可依欲修剪之植物高度，簡便地將 樹枝剪(70)之握柄（即本創作之伸縮管（1〇))調整成適當長 度’而且在施力剪去樹枝的過程中，不會因力量過大而造 成内、外管(20)(50)相對移動的情形。 藉此，本創作即可達到内、外管之間的固定強度較佳， 各 M268476 較不易被外力改變内、外管間之相對長度的目的。 -9- M268476 【圖式簡單說明】 ，一圖係本創作一較佳實施例之正視圖； 第=圖係本創作一較佳實施例之分解圖； 第三圖係本創作-較佳實施例之剖視 係轉至固定角度； ，、甲杈轉件 至固ΪΠ係第一圖中Μ剖線之剖視圖，其中旋轉件係轉 10 15 第五圖係類同於第三圖，其中旋轉件係轉至鬆釋角产. ^六圖係_於第四圖，其中旋轉件係轉至鬆釋角 —較佳實施例之局部剖視圖，顯“ 官係移動至内管底端； ，八圖係本創作—較佳實施例之應用示意圖； 第九圖為習用伸縮管之立體分解圖；以及 第十圖為習用伸縮管之剖視圖。 【主要元件符號說明】 伸縮管 20内管 21嵌接件 22通道 23導溝 24凸垣 30定位環 32固定柱 34橡膠圈 40旋轉件 41貫孔 42軸部 43長徑部 50外管 51握套 53端蓋 55通孔 60旋鈕 62卡鉤部 70樹枝剪 64連桿 66卡止片 20M268476 VIII. New type description: [Technical field to which the new type belongs] This creation is related to the telescopic tube, especially a telescopic tube with a non-circular cross section. 5 [Prior art] A generally non-circular telescopic tube structure (90) in cross section, as shown in the ninth and tenth drawings. An inner tube fixing seat (92) is fixed to one end of the inner tube (91) to fix it. The seat (92) is pivotally provided with a linkage seat (93), the linkage seat (93) is provided with an eccentric wheel (94), and the top end of the outer pipe (95) is sleeved on the inner pipe (92) provided with the linkage seat (93). At one end, a base (96) is pivotally mounted at the bottom end of the foreign officer (95), and a polygonal column (97) is provided at the center of the base (96) to pass through the linkage seat (93). When the user rotates the base (96), he can borrow The polygonal column (97) drives the linkage seat (93) to rotate, so that the outer surface of the eccentric wheel (94) abuts or separates from the inner wall of the outer tube (95), so that the outer tube (95) can be controlled to be relatively fixed to the inner tube. (91) or move relative to the inner tube (91). 15 However, in the above-mentioned telescopic tube structure (90), 'because the outer circumference of the eccentric wheel (94) is oval', when the eccentric wheel (94) is deflected and abuts against the outer tube (95), 'the eccentric wheel (94) The opposite sides of the outer periphery are in linear contact with the inner opening of the outer tube (95). The friction between the outer tube (95) and the eccentric wheel (94) is relatively low; I ;, easy == 5) When sliding under a large axial external force, the telescopic tube cannot stably maintain the relative length between the inner and outer tubes (91) (95). [New content] / Therefore, the main purpose of this creation is to provide a telescopic tube with a non-circular cross-section. The fixed strength between the inner tube and the outer tube is better, and it is not easily changed by -4- M268476 15 20 Relative length of inner and outer tubes. In order to achieve the purpose of the previous disclosure, the telescopic tube of this creation includes an inner one = a rotating part, an outer tube, and a knob; wherein the inner tube is shaped within the inner tube, and the positioning ring is made of elastic material. And set the idle = s-end 'the outer peripheral surface of the positioning ring is roughly flush with the inner tube; two = a through hole in the center of the piece' and the peripheral surface has at least one long diameter portion from the car =; the rotation The parts are located in the positioning ring and can be rotated between one and two and the release angle; the cross section of the outer tube is matched with the inner and outer tube \ = the top end is sleeved on one end of the inner tube with the positioning ring, The Liancai said ... The soil corresponds to the outer peripheral surface of the positioning ring, and the knob has one turn and two bottom ends of the outer tube. The link is inserted through the rotation angle and the clear ff2 is controlled by the link. The rotating part rotates between the fixed corner and the fixed corner, and when the knob drives the rotating part wall, the outer periphery of the ^^ ring closes to the inner part of the outer tube to turn; 1 :: ^ Shi Babi keeps it, and the outer perimeter of the 4 ring is connected with the outer camp: manage it; the outer tube can move relative to the inner tube to achieve the inner and inner solidification. If the strength is better, it is less likely to be changed by the external force. [Executive] [Executive] The name structure is recommended in conjunction with the drawing—preferably, a detailed explanation of the characteristics of the original bamboo 1 is shown, and the simple money shown by the material is shown in Figure 1. This is a preferred embodiment of this creation. Front view • 5-M268476 ^ The figure is an exploded view of the present invention-the preferred embodiment; the second picture is a cross-sectional view of a preferred embodiment of this creation, which is turned to a fixed angle; The cross-sectional view of the 4_4 line in the first figure 'where the rotating part is turned ί == the third figure, where the rotating part is turned to the release angle; younger A figure is _ in the phase chart, where the rotating part is turned to the seventh figure This is a partial cross-sectional view of the preferred embodiment of the present invention showing that the outer tube system is dry and the outer tube system is moved to the bottom end of the inner tube; Please refer to the fourth to fourth drawings, 'the telescopic needle H)) of the present invention-the preferred embodiment' includes-an inner tube (20), a positioning ring ⑽,-a rotating member (4〇), a The outer tube (50), and a knob (60); of which ... the inner tube (20) has an elliptical cross-section, and an insert is inserted into the bottom end; the insert (21) has a cross-section An elliptical cylinder with a cross section slightly larger than the cross section of the inner tube (20). The insert (21) has a passage (22) of Lian Le tube. The outer periphery is provided with a second guide groove (23). The end has a convex ridge; the insert (21) is plugged into the bottom end of the inner tube (20), so that the outer peripheral surface of the convex ridge (24) is flush with the outer wall of the internal officer (20) and each guide groove ( 23) can be used to smoothly insert the insert ⑼ into the inner tube (20). The positioning ring (30) is made of thermoplastic plastic material through injection processing, so that the positioning ring (30) has an elastic structure; the cross-sectional area of the positioning ring (30) is also oval, and the two ends of the top surface have two The fixing post (32), and a rubber ring (34) is attached to the outer periphery; the second fixing post (32) of the positioning ring (30) is the second of the embedded insert (21) -6- 20 M268476 recessed hole (in the figure (Not yet), the positioning ring (30) is set at the bottom end of the inner tube (2⑴), and the outer peripheral surface is roughly flush with the outer peripheral surface of the inner tube (20). _ And the center of the rotating member (40) has A through-hole (41), Ding page has _ fortunately (42), the cross-section of the through-hole (41) is quadrangular, and runs through the shaft (42); 5 The peripheral surface of the rotating member (4〇) has two distances The long diameter part (43) farther from the center has a predetermined curvature on the peripheral surface; the rotating part (40) is set in the positioning ring (%), so that the shaft part (42) is inserted into the engagement The passage of piece (21) can be rotated between a fixed angle (as shown in the fourth figure) and a release angle (as shown in the sixth figure). When turning to a fixed angle, the two long diameter parts ( 43) is pushed against the inner wall of the positioning ring H) (30), so that The outer peripheral wall of the retaining ring (30) is convex. When turning to the release angle, the second long diameter part (43) is separated from the inner wall of the retaining ring (30), so that the outer periphery of the retaining ring (30) is restored. To the state of being flush with the outer periphery of the inner tube (20).截面 The cross section of the outer tube (50) is matched with the inner tube (20). The bottom end is provided with a grip (51), and the top end is provided with an end cover (53). The through hole (55) of the official (50); the top end of the outer tube (50) is sleeved on the inner tube (20). One end of the positioning ring (30) is provided so that the inner tube (20) and the positioning ring (30) ) Pass the end cap (53) into the outer tube (50), the outer tube (50) can move along the inner tube (20), and the outer peripheral surface of the rubber ring (34) of the positioning ring (30) corresponds The inner wall of the outer tube (50). The top face of the knob (60) has a ^^ hook portion (62), and a link has a link 20 (64) in the center. The cross section of the link (64) is fitted to the rotating member (the cross section of the through hole (41), The bottom end is fixed to the knob (60) by screwing, and the top end extends upward through the center of the knob (60) and the hook portion (62); the hook portion (62) of the knob (60) is embedded The through hole (55) is set in the grip sleeve (51), so that the knob (60) is pivoted on the bottom end of the outer tube (50), and the connecting rod (64) is located on the inner and outer tube (20) (50). There is another card at the top of the inner center, which passes through M268476% (30), the through hole (41) of the rotating part (40), and the channel (22) of the insert (21). As shown in the seventh figure, when the outer tube (50) is extended, the stopper ⑽ can be used to abut the top surface of the insert ⑼ to prevent the inner and outer tubes (20) (50). Separate from each other. 5 Through the above structure, as shown in the fifth and sixth figures, when the user wants to adjust the length of the telescopic tube (10), the rotary member (60) can be used to drive the connecting rod ⑽) to control the rotating part. (4G) Turn to the release angle so that the rubber ring ㈤ of the positioning ring (3 ()) is separated from the outer tube (the inner wall of 50 ^ is separated from the outer tube ⑼) It can be moved to the required position 'next' as shown in the second and fourth figures, the user then rotates the link (64) to control the rotating member (40) to a fixed angle by turning the rotary knob 10 (60) The two long diameter portions (43) of the rotating member (40) are pushed against the positioning ring (30), and the positioning ring (30) is convex = the area abuts against the inner wall of the outer tube (50), and the outer tube (5 〇) the inner wall can be fixed by the friction with the rubber ring (34) of the positioning ring (30), so that the outer tube (50) and the inner tube (20) can be maintained at a predetermined length; The long diameter part ⑽15 of the 具有 has a predetermined curvature, and can be pushed against the positioning 推 (30) by the area with a small curvature, so that the position of the 疋 ring (3〇) abutting the outer tube (50) is Face contact resentment, and then the rubber ring (34) with larger surface friction is used to increase the fixing strength between the positioning ring ⑽ and the outer tube (50). 〃 Please refer to Figure 8 again. When the telescopic tube (10) is applied to the handle of a branch shear 20 (70) 使用者, the user can easily cut the branch (70) according to the height of the plant to be trimmed The grip (that is, the telescopic tube (10) of this creation) is adjusted to an appropriate length 'and the process of cutting the branches by force will not cause the inner and outer tubes (20) (50) to move relative to each other due to excessive force Situation. With this, the creation can achieve the better fixing strength between the inner and outer pipes, and each M268476 is less likely to be changed by the external force to the relative length between the inner and outer pipes. -9- M268476 [Simplified illustration of the drawing], a drawing is a front view of a preferred embodiment of the present creation; the third drawing is an exploded view of a preferred embodiment of the present creation; the third drawing is the present creation-the preferred implementation The cross-sectional view of the example is turned to a fixed angle; the cross-sectional view of the arm-turning part to the solid line II is the cross-sectional view of the line M in the first figure, where the rotating part is turned 10 15 The fifth figure is similar to the third figure, where the rotation The pieces are transferred to the loose release horn production. ^ Six pictures are shown in the fourth picture, in which the rotating parts are rotated to the loose release angle—a partial cross-sectional view of the preferred embodiment, which shows that “the official system moves to the bottom end of the inner tube; The drawing is a schematic diagram of the application of the present invention—the preferred embodiment; the ninth figure is a perspective exploded view of a conventional telescopic tube; and the tenth figure is a cross-sectional view of a conventional telescopic tube. Pieces 22 channels 23 guide grooves 24 bulges 30 positioning rings 32 fixing posts 34 rubber rings 40 rotating parts 41 through holes 42 shaft portions 43 long diameter portions 50 outer tubes 51 grip sleeves 53 end caps 55 through holes 60 knobs 62 hook portions 70 Branch shears 64 connecting rods 66 locking pieces 20