1272079 九、發明說明： 【發明所屬之技術領域】 本發明係提供一種防鬆脫及迫緊裝置，尤指一種管類 伸縮具有防鬆脫並兼具迫緊之功效的設計。 【先前技術】 按，由於台灣目前兒童近視的比例逐年增加，所以， 家長對於孩童所使用的桌椅高度是否可隨著孩子的成長而 升高，如此，以隨時保持最符合孩子使用的高度，因此， 如何提供一種可隨孩子之身高成長的桌椅，已成為目前高 度固定式之桌椅的急待改善的問題。 而就桌子或椅子而言，其高度調整結構均大致相同， 因此，在此係以椅子為例說明，請參閱第七圖所示，其座 椅6 0係具有一桿體6 1，而該桿體6 1係連結一底座6 2，該桿體6 1係可供一椅背連結套6 3及一椅座連結套 6 4分別穿套，而該椅座及椅背連結套6 4及6 3係分別 穿設有一固定件6 5，且該桿體61相對於固定件6 5侧 係設有複數個等間隔排列的容置孔6 6，各容置孔6 6係 可分別供一固定件6 5穿置，而分別固定該椅背連結套6 3及椅座連結套6 4，且待需調整椅背連結套6 3及椅座 連結套6 4之高度時，只需抽出該固定件6 5再將椅座連 結套6 4或椅背連結套6 3沿著桿體6 1移動，再將該固 定件6 5對準一容置孔6 6穿置定位，即完成調整椅背連 結套6 4或椅座連結套之高度的目的。 惟，上述之椅座連結套6 4及椅背連結套6 3之高度 1272079 桿體6 1之容置孔6 6相間的距離，因此，使 而W…;： 1之容置孔6 6的限制， u依貝際狀況任意調整或微調其高度。 因此然L為解決其高度受到容置孔66所拘限的問題， 針對此部份做進一步之改良，請參閱第八圖及 ==其係於該椅座連結套“及椅背連結套6 3 j，61相接處分別設有—夾片組6 7,該夾片組67 了動片671，而藉由各別穿伸椅座連結套“ 可月連結套63的固定件65推抵該活動片671，使 、蛊且6 7 77別迫緊該桿體61 ’如此，以岐該椅座 tr4及射連結套6 3於該桿體61，且如此之設 °田知座連結套6 4及射連結套6 3沿著桿體6 1上、 動τ並不會文到容置孔66(請參閱第七圖所示） 、限制’而可依實際狀況任意調整或作微調。 ▲再者，光憑夹片組6 7迫緊於桿體6 i，以達到定位 2果’其迫緊之力量仍略嫌不足，所以，當乘坐於此椅 」、，套6 4時，乘坐者之重量對於桿體6 i ^言會產生 力#作用，而此力臂作用所產生的力量會座落於該央片 、、且6 7的上端及對角的下端，因此’當長期乘坐後其夾片 、、且6 7會有擴孔的現象產生，而為了避免其擴孔現象產生 而造成遠椅座連結套64無法牢固的固定於桿體6工， ，必需再次迫緊該夾片組6 7，但是，在該夾片組6 7與 =體6 1間因@己合誤差增加的情況下，再迫緊該炎片組6 會導致該椅座連結套6 4產生一向下傾斜角度，而此向 6 1272079 下傾斜角度會讓乘坐者乘坐時，身體會產生前傾的現象， 甚至會有滑落該座椅6 〇的疑慮。 故，本發明人有鑑於習知座椅調整裳置，仍有不盡完 :之處’因此’經由多年之努力研究並屢為試作終於創 作出本t:之「管類伸縮之防鬆脫兼具迫緊裝置」者。 【發明内容】1272079 IX. Description of the invention: [Technical field to which the invention pertains] The present invention provides a device for preventing loosening and tightening, and more particularly to a design in which the tube type is stretched and has a function of preventing looseness and having a tightness. [Previous technique] According to the fact that the proportion of children's myopia in Taiwan is increasing year by year, whether the height of the table and chair used by the parents can be increased with the growth of the child, so that the height of the child can be kept at all times. Therefore, how to provide a table and chair that can grow with the child's height has become an urgent problem for the current highly fixed table and chair. In the case of a table or a chair, the height adjustment structure is substantially the same. Therefore, the chair is taken as an example. Referring to the seventh figure, the seat 60 has a rod body 6 1 and the The shank 6 1 is coupled to a base 6 2 , and the shank 6 1 is provided for a back cover sleeve 6 3 and a seat joint sleeve 64 , respectively, and the seat and the back joint sleeve 64 and 6 3 is respectively provided with a fixing member 65, and the rod body 61 is provided with a plurality of arranging holes 6 6 arranged at equal intervals with respect to the side of the fixing member 65. Each of the accommodating holes 6 6 can be respectively provided for one The fixing member 65 is worn, and the back joint sleeve 6 3 and the seat joint sleeve 64 are respectively fixed, and when the height of the back joint sleeve 63 and the seat joint sleeve 64 is adjusted, it is only necessary to extract the height. The fixing member 6 5 then moves the seat connecting sleeve 64 or the seat back connecting sleeve 6 3 along the rod body 6 1 , and then positions the fixing member 6 5 to a receiving hole 6 6 to be positioned, that is, the adjusting chair is completed. The purpose of the back joint sleeve 64 or the height of the seat joint sleeve. However, the height of the above-mentioned seat connecting sleeve 64 and the back joint connecting sleeve 63 is 1272079, and the distance between the receiving holes 66 of the rod body 6 1 is such that the receiving hole 6 6 of Limit, u arbitrarily adjust or fine tune its height according to the condition of the bar. Therefore, L is to solve the problem that its height is limited by the receiving hole 66. For further improvement of this part, please refer to the eighth figure and == it is attached to the seat connecting sleeve "and the back joint sleeve 6" 3 j, 61 junctions are respectively provided - a clip group 6 7 , the clip group 67 has a movable piece 671, and the respective extension seat 65 is fixed by the fixing member 65 of the monthly connection sleeve 63. The movable piece 671, so that the shank 61' is not pressed, so that the seat tr4 and the ejector sleeve 63 are attached to the shank 61, and the tiantianzhi joint sleeve is set. 6 4 and the shot joint sleeve 6 3 along the rod body 6 1 , the movement τ does not go to the accommodating hole 66 (see the seventh figure), limit ' and can be arbitrarily adjusted or fine-tuned according to the actual situation. ▲ Moreover, the clip group 6 7 is forced to the pole body 6 i to achieve the positioning 2 fruit 'the strength of its pressing is still slightly insufficient, so when riding this chair,, set 64 4, The weight of the occupant will exert a force# effect on the rod body, and the force generated by the force arm will be located at the upper end of the central sheet, and the lower end of the diagonal, and therefore the lower end. After the ride, the clips are formed, and there is a phenomenon that the hole is reamed. In order to avoid the occurrence of the hole expansion phenomenon, the seat base connecting sleeve 64 cannot be firmly fixed to the rod body, and it is necessary to tighten the shaft again. The clip group 6 7 , however, in the case where the error between the clip group 6 7 and the body 6 1 is increased due to the increase in the @合合合, the pressing of the sheet group 6 causes the seat joint sleeve 6 4 to be generated. The angle of inclination is lower, and the angle of inclination to 6 1272079 will cause the occupant to lean forward when riding, and there may even be a fear of slipping off the seat. Therefore, the inventor of the present invention has been incomplete in view of the conventional seat adjustment: "Therefore, through years of hard work and repeated trials, I finally created the t: "tube expansion and anti-loose Those who have a tight device. [Summary of the Invention]
^發明之主要目的’在於解決上述的問題而提供一種 s類伸縮之_脫兼具迫緊裝置 於該管體的套件及f置套件而、體刀難置 體站〜纟i 件迫緊於管體的鎖固件，而管 對應形態的圓弧端：因此牛鎖2之溝底相接處，並成相 緊於管體之卡、、盖$ 殃固件穿伸套件時會緊密的抵 件受外力下壓時:會::::漸縮的設計’則可提供鎖固 於該卡溝，如舲、少、、的作用，而更加緊密的迫緊 的設計者。 伸縮切鬆脫兼具迫緊 本發明之次一目的， 具迫緊裝置，复雜仏—種管類伸縮之防鬆脫兼 端來迫緊該卡溝，且與管體之溝底成相對的圓弧 套件受力而壓迫鎖固‘時，的設計形態’以供當 該卡溝漸_，如此 4件得更加迫抵於 此，可提供使用者得依:二;，^ 高低者。 度’奴意的調整或微調其 本發明之又一目的 在提供—種管類伸縮之防鬆脫兼 1272079 具迫緊裝置，其裝置係可應用於椅子之相關結構者。 本务明之再一目的，在提供一種管類伸縮之防鬆脫兼 具迫緊裝置，其裝置係可應用於桌子之相_構者。 有關本發明所採用之技術、手段及其功效，茲舉一較 佳實施例並配合圖式詳細說明於后，相信本發明上述之目 的、構造及特徵，當可由之得—深人而具體的瞭解。 【實施方式】 本發明係提供一種管類伸縮之防鬆脫兼具迫緊裝置設 計者。 絲為使其能進一步瞭解本發明之結構設計及技術，謹 配合圖第一圖至第六圖再予說明於后： 、參閱第-圖至第三圖所示，—種管類伸縮之防鬆脫兼 具，緊衣置’主要係可應用於椅子1 Q或桌子2 0 (請參 閱第五圖所示）特構，而於本實_巾仙椅子丄〇為 列說明，而其相關結構係包括有： g體3 0 ’其頂^朝底端之方向設有—橫斷面概成 V字型形態錐度或斜度的卡溝3 1，且其卡溝3 i係朝管 體3 0之底端漸縮的形態，而該卡溝3 i之溝底3 2並成 -圓孤段3 2 1，該管體3 Q之底端係連結於椅子丄〇的 =套件4 0，係可分別穿套於該管體3〇，且一套件 =夏連、纟，有-椅背！ 2，而另—套件4 ◦則連結有一椅 座1 3。 二鎖固件5 0 ’其係分別具有一旋動部5 1及一螺紋 1272079 段5 2 ’該螺紋段5 2相異於旋動部5丄端則成對應卡溝 3 1之溝底3 2形態的圓狐端5 2丄，而該螺紋段5 2係 可穿置一套件40,以迫緊於管體3〇之卡溝3工。 «此組成，使得本發_管_縮之防鬆脫兼具迫緊 裝置可應用於椅子1〇之相關結構。 ❿本發明之4點係在於，該管體3 0轴向設有-斷面 概成V字型的卡溝3 1，且該卡溝3丄係由管體3 〇之頂 春端朝底端漸縮的設計，該鎖固件5 〇相異於旋動部5工端 係為與該卡溝3 1之溝底3 2成相對應的圓弧端3 2丄， 因此，鎖固件5 〇穿伸套件4 〇時會緊密的抵緊於管體3 0之卡溝3 1，再加上卡溝3 1漸縮的設計，則可提供鎖 固件5 0受外力下壓時，會產生自鎖的作用，而更加緊密 的迫緊於該卡溝3 1，如此，以形成一種管類伸縮之防鬆 脫兼具迫緊的設計。 使用時，由於該管體3 〇係連結於椅子^ 〇的底盤工 _ 1’而一套件40則分別連結於椅子1 〇之椅座1 3及椅 背1 2，再將二套件4 〇分別穿置於該管體3 〇，並利用 二鎖固件5 0分別穿置二套件4 〇，而迫緊該管體3 〇漸 縮形態的卡溝3 1，且該卡溝3 1之溝底3 2係與鎖固件 5 0之圓弧端5 2 1相對應，所以，再加上椅座^ 3及椅 月1 2本身之重量對於各鎖固件5 〇下壓，而使各鎖固件 5 0了更緊固的卡置於卡溝3 1漸縮端，進而使該椅座1 3及椅背1 2牢固的固定於管體3 〇，而不致使椅座工3 及椅背1 2於長時間的乘坐後，因不當的設計使其零件有 9 1272079 文力不良，而有擴孔的現象產生，進而造成各零件的因配 合誤差過大，而發生椅座1 3及椅背1 2產生向下傾斜或 搖晃的現象。 另外’請參閱第四圖所示，各鎖固件5 〇之圓弧端5 2 1係可分別套置一圓弧套5 3，而該圓弧套5 3得選擇 以塑膠耐磨材質所製成，進以增加鎖固件5 〇對於管體3 0之卡溝31的迫緊力量。The main purpose of the invention is to solve the above problems and to provide an s-type expansion and contraction detachment device with a tightening device for the pipe body and a set of components, and the body knives are difficult to stand. The locking body of the pipe body, and the arc end of the pipe corresponding to the shape: therefore, the bottom of the groove of the cow lock 2 meets, and the card is tightly attached to the card of the pipe body, and the cover is tightly attached to the package. When pressed by external force: will::::the tapered design' can provide a closer to the card groove, such as 舲, 少, ,, and a tighter and tighter designer. The telescopic cutting and loosening has the second purpose of pressing the invention, and has the pressing device, the anti-looseness of the complex 仏-type tube type telescopic to force the card groove, and is opposite to the groove bottom of the pipe body. The arc kit is forced to press and lock the 'design pattern' for the time when the card is gradually _, so that the four pieces are more forced to do so, and the user can be provided according to: two;, ^ high and low. Another purpose of the present invention is to provide a type of tube-type telescopic anti-loose and 1272079 with a tensioning device, the device of which can be applied to the relevant structure of the chair. A further object of the present invention is to provide a tube-type telescopic anti-loose and tensioning device, the device of which can be applied to the phase of the table. The above-mentioned objects, structures and features of the present invention will be described in detail with reference to the preferred embodiments of the invention. To understanding. [Embodiment] The present invention provides a design for preventing and releasing a tube type telescopic device. In order to make it possible to further understand the structural design and technology of the present invention, it will be further described with reference to the first to sixth figures of the drawing: Referring to the first to third figures, the prevention and treatment of the tube type expansion and contraction Both loose and tight, the tight-fitting 'mainly can be applied to the chair 1 Q or the table 2 0 (see the fifth figure) special structure, and in the actual _ towel fairy chair 丄〇 for the column description, and its related The structure includes: g body 3 0 'the top ^ is provided in the direction toward the bottom end - the cross section is formed into a V-shaped form taper or slope of the card groove 3 1, and the card groove 3 i is directed to the pipe body The bottom end of the 30 0 is tapered, and the bottom 3 2 of the groove 3 i is formed into a round segment 3 2 1, and the bottom end of the tube 3 Q is coupled to the chair = = kit 4 0 , can be worn on the tube body 3 〇, and a kit = Xia Lian, 纟, with - chair back! 2, and the other - kit 4 连结 is connected to a seat 1 3 . The two locking fasteners 5 0 ' respectively have a rotating portion 5 1 and a thread 1272079 segment 5 2 'the thread segment 5 2 is different from the end of the rotating portion 5 to form a groove bottom 3 2 corresponding to the groove 3 1 The circular fox end of the shape is 5 2 丄, and the threaded section 52 can be placed through a sleeve 40 to be forced to work on the groove of the tubular body 3 . «This composition makes the hair _ tube _ shrink-proof and the tension device can be applied to the relevant structure of the chair. The fourth aspect of the present invention is that the pipe body 30 is axially provided with a card groove 3 1 having a V-shaped cross section, and the card groove 3 is formed by the spring end of the pipe body 3 In the tapered design, the locking member 5 is different from the end of the rotating portion 5 by a circular arc end 32 2 corresponding to the groove bottom 3 2 of the card groove 31, and therefore, the locking member 5 〇 When the extension kit 4 〇 is tightly pressed against the groove 3 1 of the pipe body 30, and the design of the groove 3 1 is tapered, the lock 50 can be provided when the external force is pressed down. The function of the lock, and more tightly tightened to the card groove 3 1, thus, to form a tube type telescopic anti-loose and tight design. In use, since the tubular body 3 is attached to the chassis _ 1 ′ of the chair 而 , and a kit 40 is respectively connected to the chair 1 及 seat 1 3 and the seat back 1 2 , and then the second set 4 〇 respectively After being placed in the tube body 3, and using the two locks 50, respectively, the two sets of 4 〇 are placed, and the tube body 3 〇 the tapered groove 3 1 is pressed, and the groove of the card groove 3 1 is bottomed. 3 2 series corresponds to the arc end 5 2 1 of the lock fastener 50, so, plus the weight of the seat ^ 3 and the chair month 1 2, the weight of each lock 5 〇 is pressed, so that each lock 5 0 The more rigid card is placed at the tapered end of the card groove 3 1 , so that the seat 13 and the seat back 1 2 are firmly fixed to the pipe body 3 〇 without causing the seat 3 and the seat back 1 2 After a long ride, due to improper design, the parts have 9 1272079 poor manpower, and there is a phenomenon of reaming, which causes the fitting error of each part to be too large, and the seat 13 and the seat back 1 2 Produces a downward sloping or shaking phenomenon. In addition, please refer to the fourth figure, the arc end 5 2 1 of each lock 5 可 can be respectively sleeved with a circular sleeve 5 3 , and the arc sleeve 5 3 is selected to be made of plastic wear-resistant material. Into, to increase the tightening force of the lock 5 〇 for the groove 31 of the pipe body 30.
當然，本發明仍存在許多例子，其間僅細節上之變化 。請參閱第五圖及第六圖所示，其係本發明之第二實施例 ，而於本實施例中係以桌子2〇之形態為說明例，而其相 關結構係包括有·· 二管體3 0 ’其頂端朝底端之方向設有—橫斷面概成 V字型形態錐度或斜度的卡溝3 1，且其卡溝3 χ係朝管 體3 0之底端漸縮的形態，並且各卡溝3 i之溝底3 2係 為一圓弧段3 2 1 ’而二管體3 Q之底端則分別連結於桌 子2 0的一基座2 1。 ，套件4◦，係可分別穿套於—管體3〇，且二 40係共同連結於一桌面22。 二鎖固件5〇 ’其分別具有—旋動部51及—螺紋段 2 /敎段52相異機動和i端職對應卡溝3 1之溝底3 2形態的圓弧端5 2 1，而, 穿置-套件m替c 螺紋段5 2並可 牙置套件4 〇，以迫緊於管體3 〇之卡溝3工。 據此組成，使得本發明之管類伸縮之防普 裝置，可應用於桌子2〇相闕之結構。 A最緊 1272079 使用^ ’由於二套件4◦係共同連結-桌面22，再 將二套件4 0分別套置於二管體3 0，並以二鎖固件5 〇 分別穿置各套件4 〇，使各鎖固件5 〇之圓弧端5 2工抵 緊於漸縮形態設計的卡溝3 1，且該卡溝3工之溝底3 2 係與鎖固件5 0之圓弧端5 2 i相對應，所以，利用桌面 2 2本身之重量對於各鎖固件5 〇下壓，而使各鎖固件^ 0可更加穩固的卡置於卡溝3丄漸縮端，會產生自鎖的作 用’進而使该桌面2 2更加穩固的固定於二管體3 〇上緣 ，而不致使桌面2 2因^當的設計使其料有受力不良， 而有擴孔的現象產生，進而造成各零件因配合誤差過大， 而使其發生向下傾斜、搖晃或滑落的現象。 另外，請參閱第四圖所示，各鎖固件5 〇之圓弧端巧 2 1係可分別套置―圓弧套5 3，而該圓弧套5 3得選擇 以塑膠<磨材質所製成，進以增加鎖固件5〇對於管體3 〇之卡溝31的迫緊力。 歸納上述，本發明之管類伸縮之防鬆脫兼具迫緊裴置 可獲得下列之功效及目的： 一、該官體3 0軸向設有一斷面概成从字型形熊 或斜度的卡溝31，且該卡溝31係由管體3()之；;端ς 底端漸縮的設計，該鎖固件5 〇相異於旋動部5 i端係為 與該卡溝3 1之溝底3 2成相對應的圓弧端3 2 1，因此 ，當鎖固件5 0穿伸套件時會緊密的抵緊於管體3 〇之卡 溝3 1，再加上其卡溝3 i漸縮的設計，則可提供鎖固件 5 0受外力下壓時，會產生自鎖的作用，而可更加緊密的 11 1272079 迫緊於該卡溝31 ’如此，以形成一種管類伸縮之防鬆脫 兼具迫緊的設計。 ^、各鎖固件5 0係利用與管體3 0之溝底3 2成相 對的圓孤端5 2 1來迫緊該卡溝3丄，且該卡溝3工並成 漸縮的形態設計，以供當套件4 〇受力而壓迫鎖固件5 〇 時’該鎖固件5 〇得更加緊固的迫抵於該卡溝3丄的漸縮 端，如此，以形成一種無段式的迫緊方式，因此，可提供 # 使用者得依所需之高度，隨意的調整其高低。 、 綜上所述，本發明在同類產品中實有其極佳之進步實 用性，同時遍查國内外關於此類結構之技術資料、文獻中 亦未發現有相同的構造存在在先，是以，本發明實已具備 發明專利要件，爰依法提出申請。 上述貝施例，僅用以舉例說明本發明，據以在不離本 發明精神之範圍，熟習此項技藝者憑之而作之各種變形、 修飾與應用，均應包括於本發明之範疇者。 # 【圖式簡單說明】 第一圖··係本發明管類伸縮之防鬆脫兼具迫緊裝置之 椅子形態立體圖。 第一圖·係本發明管類伸縮之防鬆脫兼具迫緊裝置之 椅子形態側視圖。 第三圖：係本發明管類伸縮之防鬆脫兼具迫緊裝置之 椅子形態剖視圖。 第四圖·係本發明管類伸縮之防鬆脫兼具迫緊裝置鎖 固件之另一實施態樣圖。 12 1272079 第五圖：係本發明管類伸縮之防鬆脫兼具迫緊裝置之 桌子形態立體圖。 第六圖：係本發明管類伸縮之防鬆脫兼具迫緊裝置之 桌子形態剖視圖。 第七圖係習用座椅之第一實施例側視圖。 第八圖係習用座椅之第二實施例立體圖。 第九圖係習用座椅之第二實施例剖視圖。 【主要元件符號說明】 (本發明部分） 1 0椅子 1 1底盤 1 2椅背 1 3椅座 2 0桌子 2 1基座 2 2桌面 3 0管體 3 1卡溝 3 2溝底 3 2 1圓弧段 4 0套件 5 0鎖固件 5 1旋動部 5 2螺紋段 5 2 1圓弧段 5 3圓弧套 (習用部分） 6 0椅座 6 1桿體 6 2底座 6 3椅背連結套 6 4椅座連結套 6 5固定件 6 6容置孔 6 7夾片組 6 7 1活動片 13Of course, there are still many examples of the present invention with only minor changes in detail. Please refer to the fifth embodiment and the sixth figure, which is a second embodiment of the present invention. In the present embodiment, the form of the table 2 is taken as an illustrative example, and the related structure includes two tubes. The body 3 0 ' has a top end facing the bottom end - a cross-section of the V-shaped form taper or slope of the card groove 3 1, and the card groove 3 is tapered toward the bottom end of the pipe body 30 The form of the groove 3 2 of each of the card grooves 3 is a circular arc segment 3 2 1 ', and the bottom ends of the two tubular bodies 3 Q are respectively coupled to a base 2 1 of the table 20 . The kits 4 can be respectively sleeved on the tube body 3, and the 420 series are commonly connected to a table top 22. The two locking fasteners 5'' respectively have a - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - , wear - kit m for the c thread segment 5 2 and can be placed on the sleeve 4 迫 to force the 3 groove of the pipe body 3 。. According to this configuration, the anti-protrusion device of the tube type of the present invention can be applied to the structure of the table. A is the most tightly 1272079. Use ^ 'Because the two sets of 4 ◦ series are connected to the desktop 22, then the second set of 40 is placed in the second tube 30, and the two sets of fasteners are placed in the second lock. The arc end 5 of each of the lock fasteners 5 is pressed against the groove 3 1 of the tapered design, and the bottom 3 2 of the groove 3 is connected with the arc end 5 2 of the lock 50 Correspondingly, therefore, the weight of the desktop 2 2 itself is pressed for each lock 5 ,, so that each lock ^ 0 can be more stable and the card is placed at the tapered end of the card groove, which will produce a self-locking effect. Further, the table top 2 2 is more firmly fixed to the upper edge of the second tube body 3 without causing the table top 2 2 to be subjected to poor force due to the design of the tube, and the phenomenon of reaming is generated, thereby causing various parts. The fitting error is too large, causing it to tilt down, shake, or slip. In addition, please refer to the fourth figure, the arc end of each lock 5 2 2 1 series can be placed separately - the arc sleeve 5 3, and the arc sleeve 5 3 has to be selected as a plastic <grinding material It is made to increase the tightening force of the locking groove 5 for the groove 31 of the pipe body 3. In summary, the anti-loose and anti-loosening of the tube of the present invention can achieve the following effects and purposes: 1. The official body 30 axially has a section to form a shape-shaped bear or slope. The card groove 31, and the card groove 31 is formed by the tube body 3; the bottom end of the end yoke is tapered, and the locking member 5 〇 is different from the rotating portion 5 i end is the same as the card groove 3 1 groove bottom 3 2 into the corresponding arc end 3 2 1, therefore, when the lock 50 extends the kit, it will tightly abut the pipe 3 3 of the pipe body 3, plus its card groove 3 i tapered design, can provide the lock 50 will be self-locking when pressed by external force, and the tighter 11 1272079 will be forced to the groove d' so as to form a tube expansion The anti-loose and tight design. ^, each of the lock fasteners 50 is used to press the card groove 3丄 with the rounded end 5 2 1 opposite to the groove bottom 3 2 of the pipe body 30, and the card groove 3 is formed into a tapered shape. In order to force the lock 5 when the kit 4 〇 is stressed, the lock 5 is more tightly pressed against the tapered end of the 3 groove of the card groove, thus forming a stepless force Tight mode, therefore, can provide # users to adjust the height according to the required height. In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, it has not been found in the technical materials of such structures at home and abroad, and the same structure is not found in the literature. The invention has the invention patent requirements and submits an application according to law. The above-described embodiments are intended to be illustrative only, and various modifications, adaptations and applications may be made by those skilled in the art without departing from the scope of the invention. # [Simple description of the drawing] The first figure is a perspective view of the chair shape of the tube type telescopic anti-loose device and the pressing device. The first figure is a side view of a chair form of the tube type telescopic anti-loose and tension device of the present invention. Fig. 3 is a cross-sectional view showing the shape of a chair which is anti-loose and has a pressing device of the tubular type of the present invention. Fig. 4 is a view showing another embodiment of the locking device of the tubular type of the present invention. 12 1272079 Fig. 5 is a perspective view of a table form of the anti-loose and tensioning device of the tube type of the present invention. Fig. 6 is a cross-sectional view showing the table shape of the tube type telescopic anti-loose and tensioning device of the present invention. The seventh figure is a side view of a first embodiment of a conventional seat. The eighth figure is a perspective view of a second embodiment of a conventional seat. Figure 9 is a cross-sectional view of a second embodiment of a conventional seat. [Main component symbol description] (part of the invention) 1 0 chair 1 1 chassis 1 2 chair back 1 3 seat 2 0 table 2 1 base 2 2 table top 3 0 pipe body 3 1 card groove 3 2 groove bottom 3 2 1 Arc segment 4 0 Kit 50 Locking nut 5 1 Rotating part 5 2 Threaded section 5 2 1 Arc section 5 3 Arc sleeve (used part) 6 0 Seat 6 1 Rod body 6 2 Base 6 3 Back seat connection Set of 6 4 seat joint sleeves 6 5 fixing parts 6 6 accommodating holes 6 7 clip sets 6 7 1 movable piece 13