200823378 九、發明說明： 【發明所屬之技術領域】 本發明係關於-種伸縮裝置’尤關於一種具有可調整 長度的組合管伸縮裝置。 【先如技術】 #既有伸縮裝置具有可調整長度的組合管以及控制組合 官伸縮之控制元件，其多用於譜架、樂器架等支架上；由 藝於該等支架需配合使用者身材或使用習慣來調整長度，故 需要該伸縮裝置藉由調整其組合管來調整其長度。例如美 國發明專利us 6,698，_ βι號所揭露之伸縮裝置，其係 一具有可調整長度的組合管伸縮裝置。該組合管具有一組 可相對滑動的管體，以及一設置於該管體之間的伸縮控制 疋件，藉由開放該伸縮控制元件可讓該等管體相對滑動以 調整該组合管的長度，並可藉由閉鎖該伸縮裝置固定該等 官體的相對位置，以維持該組合管在調整後的長度。 • ㈣正如前揭專利文獻所記冑’該伸縮裝置雖可以達 到調整組合管長度的效果，但是其係由許多零件所構成且 構造複雜，不僅製造難度高，以致於降低產品良率並提高 成本，在使用上也必需-手握持管體，一手操作伸縮控制 元件，才能穩定的操作該伸縮控制元件，以致於在使用上 也有極不便利之處。 【發明内容】 4 200823378 窃有鑒於前述既有伸縮裝置的缺點，本發明之目的在於 長1供構^間單且便用使用的伸縮裝置。 —為達到則述目的，本發明所採取的技術手段係令該伸 縮裝置包括有一控制元件及一組合管體；其中： 該控制元件包括有： =動座，係呈盒狀，其内部形成有一空腔，且具有 連通則述空腔及外界的滑軌孔、一形成於前述滑執孔對 側的套？孔、一開口方向垂直於前述滑軌孔與套合孔開口 制動開口、以及一形成在該制動座内壁上相對於前 述制動開口處的固定元件； 、 制動塊，係自前述制動開口塞合於前述制動座之 中且具有一連通於連通該滑軌孔與套合孔的套設孔、一 匹配於=述制動座^元件的以穴、一裝設在該固定元 :與固疋八之間的彈性元件、以及至少—形成在套設孔内 土上且與前述固定穴位於同側的插銷； 該組合管包括有： 執&體其外徑係小於前述制動塊的套設孔；該 :㈣體外管壁上沿軸向凹設有一滑軌，該滑軌上形成有 、、❻該π軌排列的銷孔，各銷孔係匹配於前述制動塊的 插銷； 套〇 s體，係連通於前述制動座的套合孔，且其内 徑係匹配於前述滑軌管體的外徑。 ’ 前述伸縮裝置使用時，係將該制動塊塞合於制動座之 中，再將該滑軌管體依序穿過該制動座的滑軌孔、該制動 200823378BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telescopic device, and more particularly to a combined tube telescopic device having an adjustable length. [First as technology] #There are telescopic devices with adjustable lengths of combined tubes and control elements for controlling the combination of telescopic extensions, which are mostly used for racks such as music stands and musical instrument stands; The habit is used to adjust the length, so the telescopic device is required to adjust its length by adjusting its combination tube. For example, the telescopic device disclosed in U.S. Patent No. 6,698, _β., is a combination tube expansion device having an adjustable length. The combined tube has a set of relatively slidable tubular bodies, and a telescopic control element disposed between the tubular bodies. By opening the telescopic control element, the tubular bodies can be relatively slid to adjust the length of the combined tubular And fixing the relative positions of the bodies by locking the telescopic device to maintain the adjusted length of the combined tube. • (4) As noted in the previous patent documents, the telescopic device can achieve the effect of adjusting the length of the combined tube, but it is composed of many parts and has a complicated structure, which is not only difficult to manufacture, but also reduces product yield and increases cost. It is also necessary to use the hand to hold the pipe body and operate the telescopic control element with one hand in order to stably operate the telescopic control element, so that it is extremely inconvenient in use. SUMMARY OF THE INVENTION 4 200823378 In view of the above-mentioned shortcomings of the existing telescopic device, the object of the present invention is to provide a telescopic device that is long and easy to use. In order to achieve the above, the technical means adopted by the present invention is such that the telescopic device comprises a control element and a combined pipe body; wherein: the control element comprises: a movable seat, which is in the shape of a box, and has a built-in inside a cavity, and a sliding rail hole connecting the cavity and the outside, and a sleeve formed on the opposite side of the sliding hole? a hole, an opening direction perpendicular to the sliding hole of the sliding rail hole and the opening of the sleeve hole, and a fixing member formed on the inner wall of the brake seat relative to the brake opening; the brake block is coupled to the brake opening The brake base has a sleeve hole communicating with the slide rail hole and the sleeve hole, a hole matching the brake seat member, and a mounting hole on the fixed element: An elastic member, and at least a latch formed on the soil in the sleeve and located on the same side as the aforementioned fixing hole; the combined tube includes: a sleeve having a smaller outer diameter than the brake block; The (4) a slide rail is disposed on the outer wall of the outer tube, and a pin hole is formed on the slide rail, and the pin holes are arranged in the π rail, and the pin holes are matched with the latches of the brake block; The sleeve is connected to the sleeve of the brake base, and the inner diameter thereof is matched with the outer diameter of the rail body. When the telescopic device is used, the brake block is inserted into the brake seat, and the slide pipe body is sequentially passed through the slide hole of the brake seat, the brake 200823378
塊的套設孔、該制動座的套合孔 '以至於該套合管體，且 令該滑執管體滑動至一適當位置；由於該彈性元件裝設於 前述制動座的固定元件與制動塊的固定穴之間，該制動塊 受到該彈性元件的彈力所推動，於是該制動塊朝脫離制動 座之制動開口的方向移動，但由於該制動塊的套設孔係為 該滑執管體所套設，所以該制動塊無法脫離制動開口，而 形成稍微凸出制動開口的態樣；此時隨著該制動塊的移 動，該制動塊的插銷插入滑軌管體的銷孔，進而固定了該 滑執管體的位置，使之不能在滑執孔、套設孔、套合孔、 以及該套合管體之間來回滑動； 一當調整長度需要滑動該滑軌管體時’則施力抵抗彈姓 疋件的彈力，將制動塊凸出制動開口的部分壓回制動座之 中，使制動塊的插銷離開滑執管體的銷孔，讓該滑軌管韻 得以再度滑動以調整長度。俟長度調整畢後，停止施力， 使彈性元件的彈力讓該制動塊再度朝脫離制動座之制動辟 口的方向移動’再度形成稍微凸出制動開口的態樣，同㈣ 其插銷亦插人滑軌管體的銷孔而再度固定該體 置’以维持調整過後的長度。 由上所述可瞭解本發明具體的構造與划方法，由友 :僅零壓入或放開制動塊即可達到調整長度的目的，以写 的：ΓΓ更利且穩定的進行操作；且其結構係由容易㈣ 甩：用“牛所構成’因此本發明確可提供-構造簡單且脅 用使用的伸縮裝置。 200823378 【實施方式】 請參閱第-至三圖’分別揭露有本發明第一實施例之 立體圖及縱剖面圖。 合管體； 本發明第一實施例包括有一控制元件及— 其中： 該控制元件包括有： -制動座（ίο)，係呈一盒狀，其内部形成有一空 腔（未標號），該制動座（1 〇 )上形成有一連 以 及前述空腔的滑軌孔（1 2 )、一同樣連诵 與 * 』像連通外界以及前述 空腔且形成於前述滑軌孔（i 2 )對側的套合孔（丄3 )， 以及-制動開口（ 1 6 )，該制動開口（丄6 )的開口方 向垂直於前述滑軌孔（i 2 )與套合孔（1 3 )的開口方 向；在該制動座（1 0 )内壁上相對於前述制動開口（工 6 )處形成有一固定元件（丄4 )，該固定元件（丄4 ) 係一柱體； 又，該制動開口（ 1 6 )向下形成有一平面，於該平 面上形成有一補強元件（1 5 )，該補強元件（i 5 )係 一柱體； 一制動塊（2 0 )，其係自前述制動開口（】6 )塞 合於前述制動座（1.0)之中’且形成有—内徑大於前： 制動座（1 0 )的滑軌孔（i 2 )與套合孔（i 3 )且連 通該滑軌孔（1 2 )與套合孔（1 3 )的套設孔（2丄）， 其中該套設孔（2 1 )之内周壁上形成有一凸條（2 i i )， 以及-位於該套設孔（21 )外周壁的叫則，且匹配於前 200823378 述制動座（ίο)固定元件（14)的固定穴; 在該固定元件（1 4 )與固定穴（2 4 )之間則裝設有丄 彈性70件（2 4 1 )，在本實施例之中，該彈性元件（2 f 1 )係-彈簧；另在該套設孔（2工）内壁上與前述固 定穴（2 4 )同側處沿軸向形成有一凸條（2^ i )，在 該凸條（2 1 1 )上一適當位置形成有一朝套設孔（2工） 内突出的插銷（2 2 ); 此外，該制動塊（2 0 )的套設孔（2 1 )相對於該 . 插銷（2 2 )的側壁係沿該套設孔（2 1 )的軸向延伸， 並於該延伸之部位上形成有一匹配於前述制動座（i 〇 ) 補強元件（1 5 )的補強穴（2 5 )，且在該補強元件（1 5 )與補強穴（2 5 )之間則裝没有_補強彈性元件（2 5 1 )，在本實施例之中，該補強彈性元件（2 5 1 )係 一彈簧； 該組合管包括有： 一滑轨管體（3 0 )，其外徑係匹配於前述制動座（1 0 )的滑執孔（1 2 )與套合孔（1 3 )以及前述制動塊 (2 0 )的套設孔（2 1 );該滑軌管體（3 0 )外管壁 上沿該滑執管體（3 0 )轴向凹設有一滑軌（3 1 )，其 匹配於前述制動塊（2 0 )的套設孔（2 1 )的凸條（2 1 1 )，該滑軌（3 1 )上形成有一組沿該滑執（3 1 ) 排列的銷孔（3 2 )，各銷孔（3 2 )係匹配於前述制動 塊（2 0 )的插銷（2 2.); 一套合管體（4 0 )，係沿前述制動座（1 0 )的套 200823378 合孔（1 3 ) 緣向下延伸’且其内徑係匹配於前述滑軌 管體（30)的外徑。 °月參閲第四及五圖分別揭露有本發明第一實施例之 使用狀態的橫剖面圖。 使用本貝;^例時’係將該制動塊（2 〇 )塞合於制動 座（1 0)之中，再將該滑執管體㈡⑹依序穿過該制 動座（1 〇 )的滑軌孔（i 2 )、該制動塊（2 〇 )的套 設孔（2 1 )、該制動座（1〇)的套合孔（13)、以 至於該套合管體（4 〇 ) ’且令該滑軌管體（3 〇 )滑動 至一適當位置；由於該彈性尤件（2 4 i )裝設於前述制 動座（10)與制動塊（20)之間，該制動塊（2〇.) 又到該彈i·生7G件（2 4 1 )的彈力所推動，於是該制動塊 (2 0 )朝脫離制動座（丄〇 )之制動開〇 (丄6 )的方 向移動，但由於該制動塊（20)的套設孔（21)係為 該滑軌管體（30)所套設，所以該制動塊（2〇)&法 脫離制動開π (丄6 )，而形成稱微凸出制動開口（丄6 ) 的態樣；此時隨著該制動塊（2 〇 )的移動，該制動塊（2 〇)的插銷（2 2)插入滑執管體（3〇)的銷孔（3 2)， 進而固定了該滑軌管體（30)的位i，使之不能在滑軌 孔（上2)、套設孔（21)、套合孔（13)、以及該 套合管體（4 0 )之間來回滑動； 當調整長度需要滑動該滑軌管體（3〇)_，則施力 抵抗彈性元件（241)的彈力，將制動塊（2〇)凸出 制動開口 〇16)的部分壓回制動座（1〇)之中，使制 9 200823378 動塊（2 〇 )的插銷（ r Q 0 , ：2)離開滑軌管體（30)的銷 (3 2 )，讓該滑轨瞢辦< 0 旦择.E g體（3 〇 )得以再度滑動以調整 長又。俟長度調整完畢 τ X ^ ^ ^ 畢後停止施力，使彈性元件（2 4 1)的彈力讓該制動塊 之制動開q16^i 度朝脫離制動座（1〇) pa 〇 〇 的方向移動，再度形成稍微凸出制動 態樣’同時其插銷（2 2 )亦插入滑軌管 的 ㈣孔（32)而再度固定該滑軌管體（30) 、置，以維持調整過後的長度。 由上所述可瞭解本發明具體的構造與使用方法，由於 :僅需壓入或放開制動塊即可達到調整長度的目的，以單 ^讀利且穩定的進行操作；且其結構係由容易製造 田 ¥件所構成，因此本發明確可提供一構造簡單且便 用使用岣伸縮裝置。 ^據本發明可作之不同修正及變化對於熟悉該項技術 而5均顯然不會偏離本發明的範圍與精神。耗本發明 已敘述特定的較佳具體事實，必須瞭解的是本發明不應被 :當地限制於該等特定具體事實上。在實施本發明之已述 气方Φ對於所屬領域中具有通常知識者而言顯而易知 之不同修正亦被涵蓋於下列申請專利範圍之内。 【圖式簡單說明】 第一圖··係本發明第一實施例之立體圖。 第二圖：係本發明第一實施例之另一立體圖 第三圖：係本發明第一實施例之縱剖面圖。 10 200823378 第四圖：係本發明第一實施例之使用狀態的橫剖面 圖。 第五圖：係本發明第一實施例之使用狀態的另一橫剖 面圖。 【主要元件符號說明】 (1 〇)制動座 (1 3 )套合孔 (1 5 )補強元件 (2 0 )制動塊 (2 1 1 )凸條 (2 4 )固定穴 (2 5 )補強穴 (3 0 )滑執管體 (3 2 )銷孔 (1 2 )滑執孔 (1 4 )固定元件 (1 6 )制動開口 (2 1 )套設孔 (2 2 )插銷 (2 4 1 )彈性元件 (2 5 1 )彈性元件 (3 1 )滑執 (4 0 )套合管體 11The sleeve hole of the block, the sleeve hole of the brake seat is such that the sleeve body is slid and the sliding tube body is slid to a proper position; because the elastic element is mounted on the fixing element of the brake seat and the brake Between the fixed holes of the block, the brake block is pushed by the elastic force of the elastic member, so that the brake block moves in the direction away from the brake opening of the brake seat, but since the sleeve of the brake block is the sliding pipe body So that the brake block cannot be disengaged from the brake opening, and forms a slightly protruding brake opening; at this time, as the brake block moves, the latch of the brake block is inserted into the pin hole of the slide rail body, thereby fixing The position of the sliding pipe body is such that it cannot slide back and forth between the sliding hole, the sleeve hole, the sleeve hole, and the sleeve body; once the length of the slide rail needs to be slid, Applying force to resist the elastic force of the surname, pressing the part of the brake block protruding from the brake opening back into the brake seat, so that the latch of the brake block leaves the pin hole of the sliding pipe body, so that the slide pipe rhyme can be slid again. Adjust the length. After the length adjustment is completed, the force is stopped, and the elastic force of the elastic member causes the brake block to move again in the direction away from the brake opening of the brake seat to form a slightly protruding brake opening, and the plug is also inserted. The pin hole of the rail tube body is fixed to the body again to maintain the adjusted length. It can be understood from the above that the specific structure and the drawing method of the present invention can be achieved by the friend: only zero pressing or releasing the brake block can achieve the purpose of adjusting the length, and write: ΓΓ more profitable and stable operation; The structure is easy (4) 甩: It is made of "cow", so the present invention can provide - a telescopic device that is simple in construction and threatened to use. 200823378 [Embodiment] Please refer to the first to third figures, respectively, A perspective view and a longitudinal cross-sectional view of an embodiment. A tubular body; a first embodiment of the invention includes a control element and - wherein: the control element comprises: - a brake seat (ίο), in the form of a box, having a body formed therein a cavity (not labeled), the brake base (1 〇) is formed with a slide rail hole (1 2 ) connected to the cavity, an identical connection and an image of the external cavity and the cavity are formed on the slide a sleeve hole (丄3) on the opposite side of the rail hole (i 2 ), and a brake opening (16) whose opening direction is perpendicular to the aforementioned rail hole (i 2 ) and the sleeve hole (1 3 ) opening direction; in the brake seat (1 0) a fixing member (丄4) is formed on the inner wall relative to the aforementioned brake opening (the work 6), the fixing member (丄4) is a cylinder; and the brake opening (16) is formed with a plane downward. Forming a reinforcing member (15) on the plane, the reinforcing member (i5) is a cylinder; a brake block (20) is coupled to the brake seat from the brake opening (6) 1.0) is formed and has an inner diameter larger than the front: the rail hole (i 2 ) of the brake seat (10) and the sleeve hole (i 3 ) and communicates with the rail hole (1 2 ) and the sleeve hole a sleeve (2丄) of (1 3), wherein a rib (2 ii ) is formed on an inner peripheral wall of the sleeve hole (2 1 ), and a ridge is located on an outer peripheral wall of the sleeve hole (21) And matching the fixing hole of the brake seat ( ίο) fixing member (14) of the previous 200823378; between the fixing member (14) and the fixing hole (2 4 ), 70 pieces of elastic force are provided (2 4 1 In the embodiment, the elastic member (2 f 1 ) is a spring; and a convex portion is formed on the inner wall of the sleeve hole and the same side of the fixing hole (2 4 ). (2^ i ), a latch (2 2 ) protruding toward the sleeve hole (2) is formed at an appropriate position on the rib (2 1 1 ); further, the brake block (20) is sleeved The side wall of the hole (2 1 ) extends along the axial direction of the sleeve hole ( 2 1 ), and a reinforcing portion matching the brake seat (i 〇) is formed on the extending portion. a reinforcing hole (25) of the component (15), and between the reinforcing component (15) and the reinforcing cavity (25), there is no reinforcing elastic component (2 5 1 ), in the embodiment The reinforcing elastic element (2 5 1 ) is a spring; the combined tube comprises: a sliding rail body (30) whose outer diameter is matched with the sliding hole of the brake seat (10) (1 2 And a sleeve hole (1 3 ) and a sleeve hole (2 1 ) of the brake block (20); the slide tube body (30) is on the outer tube wall along the sliding tube body (30) axis A sliding rail (3 1 ) is matched to the concave portion, and is matched with the rib (2 1 1 ) of the sleeve hole (2 1 ) of the brake block (20), and a pair of edges are formed on the sliding rail (3 1 ) The pin hole (3 2 ) of the sliding (3 1 ) arrangement, each pin hole (3 2 ) a pin (2 2.) fitted to the aforementioned brake block (20); a set of pipe body (40) extending downwardly along the edge of the hole (1 3 ) of the cover 200823378 of the brake seat (10) And its inner diameter is matched to the outer diameter of the aforementioned rail tube body (30). Referring to Figures 4 and 5, respectively, a cross-sectional view showing the state of use of the first embodiment of the present invention is disclosed. When using this method, the brake block (2 〇) is inserted into the brake seat (10), and the sliding pipe body (2) (6) is sequentially passed through the brake seat (1 〇). Rail hole (i 2 ), sleeve hole (2 1 ) of the brake block (2 〇), sleeve hole (13) of the brake seat (1〇), so that the sleeve body (4 〇) ' And sliding the rail body (3 〇) to a proper position; since the elastic member (2 4 i ) is installed between the brake seat (10) and the brake block (20), the brake block (2) 〇.) When the elastic force of the 7G piece (2 4 1 ) of the bomb is pushed, the brake block (20) moves in the direction of the brake opening (丄6) of the brake seat (丄〇). However, since the sleeve hole (21) of the brake block (20) is sleeved by the rail tube body (30), the brake block (2〇) & method is released from the brake opening π (丄6), and Forming a micro-bumping brake opening (丄6); at this time, as the brake block (2 〇) moves, the latch (2 2) of the brake block (2 )) is inserted into the sliding pipe body (3〇) The pin hole (3 2), which in turn fixes the position i of the rail body (30), so that It is not possible to slide back and forth between the rail hole (top 2), the sleeve hole (21), the sleeve hole (13), and the sleeve body (40); when adjusting the length, it is necessary to slide the rail body ( 3〇)_, the force is applied against the elastic force of the elastic member (241), and the portion of the brake block (2〇) protruding from the brake opening 〇16) is pressed back into the brake seat (1〇) to make the 9 200823378 moving block. The (2 〇) latch ( r Q 0 , :2) leaves the pin (3 2 ) of the rail tube body (30), allowing the rail to slap < 0 to select the .E g body (3 〇) to be re-used Slide to adjust the length again. After the length adjustment is completed, τ X ^ ^ ^ stops the force application, so that the elastic force of the elastic member (2 4 1) causes the brake block to open in the direction of the brake seat (1〇) pa 〇〇 A slightly convex dynamic sample is formed again. At the same time, the latch (2 2 ) is also inserted into the (four) hole (32) of the slide rail tube to fix the slide rail body (30) and set again to maintain the adjusted length. The specific construction and use method of the present invention can be understood from the above, since the purpose of adjusting the length can be achieved only by pressing or releasing the brake block, and the operation is performed in a single and stable manner; It is easy to manufacture a field piece, and therefore the present invention can provide a structure which is simple in construction and easy to use. The various modifications and variations of the present invention are apparent to those skilled in the art without departing from the scope and spirit of the invention. DETAILED DESCRIPTION OF THE INVENTION The specific preferred specific facts have been described, and it should be understood that the present invention should not be limited to the specific specific facts. The various modifications of the present invention, which are well known to those of ordinary skill in the art, are also encompassed within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective view of a first embodiment of the present invention. Fig. 2 is another perspective view of a first embodiment of the present invention. Fig. 3 is a longitudinal sectional view showing a first embodiment of the present invention. 10 200823378 Fourth drawing: A cross-sectional view showing the state of use of the first embodiment of the present invention. Fig. 5 is another cross-sectional view showing the state of use of the first embodiment of the present invention. [Main component symbol description] (1 〇) Brake seat (1 3 ) Socket hole (1 5 ) Reinforcement component (2 0 ) Brake block (2 1 1 ) rib (2 4 ) Fixing hole (2 5 ) Reinforcement hole (3 0) Sliding pipe body (3 2 ) Pin hole (1 2 ) Sliding hole (1 4 ) Fixing element (1 6 ) Brake opening (2 1 ) Nesting hole (2 2 ) Pin (2 4 1 ) Elastic element (2 5 1 ) elastic element (3 1 ) slippery (40) sleeve body 11