200940404 九、發明說明： 【發明所屬之技術領域】 本發明主要係關於一種前叉迫腎 、％态，尤指—種運用於 自订車上，且可適用於不同尺寸車 J早木的珂叉迫緊器者。 【先前技術】 如第四、五圖所示者，—般 _ 兄有自仃車之刖又管（7〇) 與把手立管⑽間會設置有—前又迫緊器(4〇)，以結合前) ❹200940404 IX. Description of the invention: [Technical field to which the invention pertains] The present invention mainly relates to a front fork forced kidney, a % state, especially a type used in a custom car, and can be applied to different sizes of cars J. Fork tightener. [Prior Art] As shown in the fourth and fifth figures, the general _ brother has a self-trailer and a tube (7 〇) and the handle riser (10) will be provided with a front and a tensioner (4 〇), To combine before)
與把手立管⑻），使前又管⑽得與把手立管⑽ 緊达、結合而隨把手立管（8〇)之輟叙 轉動而轉動’以依自行車騎 士的控制而改變行進方向。 、而現有的前又迫緊器⑽主要係包含有一截面呈Μ :迫緊套筒(42) ’於迫緊套筒(42)兩端分別設置有一上壓 蓋(44)及一下壓蓋(46) ’於上、下壓蓋(44)(46)上分別形 成有-與迫緊套筒（42)内緣面相抵靠的錐狀抵壓面 (442)(462)，於下壓蓋(46)上設置有-螺孔(464)，另設 置有一穿過上壓蓋（44)及迫緊套筒（42)而螺入下壓蓋（46) 之螺孔（464)的迫緊螺栓（48),使迫緊套筒（42)及上、下 壓蓋（44)(46)藉由迫緊螺栓（48)而相互結合，另於迫緊螺 才王（48)上設置有一結合螺孔（4g2)。 、 藉此，將迫緊器（4〇)置入於前叉管（7〇)頂端開口後並 轉動迫緊螺栓（48)時，可令上、下壓蓋（44)(46)因迫緊螺 栓（48)與下壓蓋（46)上螺孔（464)的配合而相互移動靠' 近，並透過上、下壓蓋（44)(46)上的抵壓面（442)(462)推 抵遠緊套筒（42)，使迫緊套筒（42)向外張開而緊密抵靠於 5 200940404 前叉管（70)的内壁上’接著再將一結合螺栓（5〇)穿過一頂 壓蓋（52)後’螺入迫緊螺栓（48)之結合螺孔（482)中，並 令頂塵蓋（52)抵麼於把手立管（80)頂端，如此便可使前叉 管（70)與把手立管（80)緊密結合而隨把手立管（8〇)轉動。 然而’現有前叉追緊器（40)的迫緊套筒（42)係由金屬 材貝所製成’因此迫緊套4 (42)為上、下壓蓋（44)(46)推 抵張開的幅度相當有限’因此現有的前叉迫緊器（4〇)實無 法配合不同尺寸的前叉管（70)使用’故在製造時需配合不 β 同尺寸的車架而製造不同尺寸的迫緊器（40)，如此便會提 高整體的製造成本》 另現有迫緊器（40)之上、下壓蓋（44)(46)的推抵面 (442)(462)斜度係為相同，如此，迫緊套筒（42)張開的程 度越大，上、下壓蓋（44)(46)相互靠近的行程則需越大， 故迫緊套筒（42)需具一定長度以配合兩壓蓋（44)(46)的行 程而無法適當的縮小’使現有前又迫緊器（4〇)大都具有相 當大的體積。 © 【發明内容】 因此’本發明人有鑑於現有前叉迫緊器結構及使用上 不的不足與缺失，特經過不斷的試驗與研究，終於發展出 一種可改進現有缺失之本發明。 本發明之主要目的’在於提供一種前叉迫緊器，其可 適用於不同尺寸的車架上，並能有效地地縮小迫緊器的長 度及體積’以藉此達到提高前又迫緊器的使用彈性及實用 性者。 6 200940404 器有上述目的，本發明主要係提供-種前又迫緊 並且.二：f筒’迫緊套筒之截面係呈C形而具有-開口， ’筒係由具彈性及塑性的材料所製成； 一設置於迫緊套筒-端之上塵座，於上屋座上形成有 套筒内端面的錐㈣面，於上麼座上設置 可〃結合螺栓相螺合的結合螺孔；以及 ❹ -又置於迫緊套筒異於設置上壓座另端，且與上壓座 間以螺紋結合的下壓蓋’於下壓蓋周緣形成有一抵靠於迫 緊套筒内端面的錐狀抵壓面。 所述之别又迫緊器，其中於上麼座上凸設形成有一延 伸至迫緊套筒另端的結合管，於結合管外周緣設置有一外 螺紋’而於下壓蓋上設置有一與上麼座結合管之外螺紋相 螺合的螺孔。 所述之前又迫緊器’其中下屡蓋抵壓面與上壓座抵麼 面的斜度並不相同。 所述之前又迫緊器，其令迫緊套筒之開口兩側面係為 相互平行。 所述之前叉迫緊器，其中迫於上壓座頂面設有—呈非 圓形且與結合螺孔相連通的工具孔。 所述之前叉迫緊器，其中迫緊套筒之開口兩側面係呈 一傾斜角度。 藉由上述技術手段，本發明可達到下.列功效增進： 1 .因本發明之迫緊套筒係以具較佳彈性的塑性或複 7 200940404 合材料所製成，故可增加迫緊套筒所能張開的幅度，可藉 此讓前又迫緊·器適用於不同尺寸的前叉管，來提昇前又迫 緊器的使用彈性與實用性》 2 ·因本發明之上壓座與下壓蓋上的抵壓面具不同的 斜度，可藉此縮短推抵迫緊套筒張開所需的行程，而能適 當地縮小迫緊套筒的長度’並縮小前又迫緊器整體的體 積。 3 ·本發明之迫緊器構件數量減少，且可適用於不同 © 尺寸的車架，故可適當地降低製造迫緊器整體之製造成 〇 【實施方式】 本發明主要係提供一種前叉迫緊器（10)，請配合參看 第一、二圖所示者’本發明之前又迫緊器（1〇)主要係包含 有一迫緊套筒（12)、一上壓座（14)及一下壓蓋（16)，其中 迫緊套筒（12)之截面係呈c形而具有一開口（122)，而開 口（12)之兩側面可為相互平行或呈一傾斜角度，並且迫緊 套筒（12)係由塑膠、碳纖維等具彈性及塑性的材料所製 成。 上壓座（14)係設置於迫緊套筒（12)之一端，於上壓座 (14)上形成有一抵靠於迫緊套筒（12)内端面的錐狀抵壓面 (142)，並凸設形成有一延伸至迫緊套筒（12)另端的結合 管（144)，於結合管（144)外周緣設置有外螺紋（145)，另 於上壓座（14)頂面設有一呈非圓形的工具孔（146)，以配 合螺絲起子或六角扳手等手工具以轉動上壓座（14)，又於 8 200940404 上壓座（14)上設置有一與工具孔（146)連通並可與一結合 螺栓（2 0 )相螺合的結合螺孔（丨4 8 )。 下壓蓋（16)係設置於迫緊套筒（12)異於設置上壓座 (14)之另端，且與上壓座（14)間以螺紋相結合，於下壓蓋 (16)周緣形成有一抵靠於迫緊套筒（12)内端面的錐狀抵壓 面（162)，並設置有一與上壓座（14)結合管（144)之外螺紋 (145)相螺合的螺孔（164)，其中下壓蓋（16)抵壓面（162) 與上塵座（14)抵壓面（142)的斜度並不相同。 Ο 藉此，請配合參看第二、三圖，當將迫緊器（10)置入 於前叉管（70)中後，可直接或以工具配合工具孔〇46)轉 動上壓座（14)，而透過上壓座（14)外螺紋（145)與下壓蓋 (16)螺孔（164)間的螺紋配合，可讓上壓座（14)與下壓蓋 (16)相互移動靠近，並利用上壓座（14)及下壓蓋（16)的錐 狀抵壓面（142)(162)推抵並張開迫緊套筒（12)，使迫緊套 筒（12)内壁緊密抵靠於前叉管（7〇)的内壁上，最後再讓一 結合螺栓（20)穿過一頂壓蓋（22)後螺入上壓座（14)的結合 ®螺孔（148)中，並使頂壓蓋（22)抵靠於把手立管（80)端部， 便可藉此讓前叉管（7〇)與把手立管（8〇)緊密結合，並使前 叉管（70)隨把手立管（80)轉動，以改變自行車的行進方 向。 因迫緊套筒（12)係以具較佳彈性的塑性或複合材料所 製成’故迫緊套筒（12)被推壓而能張開的幅度可因此而增 加，如此便可讓前又迫緊器（1〇)適用於不同尺寸的前又管 (70) ’可藉此提昇前又迫緊器（1〇)的使用彈性與實用性。 200940404 另，因上壓座（14)與下壓蓋（16)上的抵壓面（142)(162) 具不同的斜度，如此推抵迫緊套筒（12)張開所需的行程， 可因一側抵壓面（142)(162)具較大的斜度而能有效地縮 短，藉此便可適當地縮小迫緊套筒（12)的長度，而進一步 縮小前叉迫緊器（10)整體的體積。 【圖式簡單說明】 第一圖係本發明之立體分解圖。 第二圖係本發明與前又管及把手立管鎖緊前之局部剖 ❹ 面圖。 第三圖係本發明與前叉管及把手立管鎖緊後之局部巧 第四圖係現有前又迫緊器與前又管及把手立管結合之 局部剖面圖。 第五圖係現有前又迫緊器之立體分解圖。 【主要元件符號說明】 (10)迫緊器 © (14)上壓座 (144)結合管 (146)工具孔 (16)下壓蓋 (164)螺孔 (22)頂壓蓋 (42)迫緊套筒 (442)抵壓面 (12)迫緊套筒 (142)抵壓面 (145)外螺紋 (148)結合螺孔 (162)抵壓面 (20)結合螺栓 (40)迫緊器 (44)上壓蓋 (46)下壓蓋 200940404 (4 6 2 )抵壓面 (50)結合螺栓 (70)前叉管 (464)螺孔 (52)頂壓蓋 (80)把手立管With the handle riser (8), the front tube (10) is tightened and combined with the handle riser (10) and rotated with the handle riser (8〇) to change the direction of travel according to the control of the bicycle rider. The existing front tensioner (10) mainly comprises a cross section of the pressing sleeve: the pressing sleeve (42) is provided with an upper pressing cover (44) and a lower pressing cover respectively at the two ends of the pressing sleeve (42). 46) 'The upper and lower gland (44) (46) are respectively formed with a tapered pressing surface (442) (462) abutting against the inner peripheral surface of the pressing sleeve (42), and the lower gland is pressed (46) is provided with a screw hole (464), and a pressing hole (464) through the upper pressing cover (44) and the pressing sleeve (42) and screwed into the lower pressing cover (46) is provided. The bolt (48) is such that the pressing sleeve (42) and the upper and lower pressing covers (44) (46) are coupled to each other by the tightening bolts (48), and the pressing screw (48) is provided with a Combined with screw holes (4g2). Therefore, when the tensioner (4〇) is placed in the top opening of the front fork tube (7〇) and the bolt (48) is rotated, the upper and lower gland (44) (46) can be forced. The tightening bolts (48) cooperate with the screw holes (464) of the lower gland (46) to move closer to each other and pass through the pressing faces (442) on the upper and lower glands (44) (46) (462) Pushing against the distal sleeve (42), causing the pressing sleeve (42) to open outwardly and closely abut against the inner wall of the front fork tube (70) of the 200940404 'and then a coupling bolt (5〇) After passing through a top cover (52), it is screwed into the coupling screw hole (482) of the tightening bolt (48), and the top dust cover (52) is placed against the top end of the handle riser (80). The front fork tube (70) is tightly coupled to the handle riser (80) to rotate with the handle riser (8 turns). However, the pressing sleeve (42) of the existing front fork catcher (40) is made of metal shells. Therefore, the pressing sleeve 4 (42) is pushed up by the upper and lower pressing covers (44) (46). The range of opening is quite limited' so the existing front fork tensioner (4〇) can't be used with different sizes of front fork tubes (70). Therefore, it is necessary to manufacture different sizes when manufacturing. The tensioner (40), which will increase the overall manufacturing cost. The tilting system of the pushing surface (442) (462) above the existing tensioner (40) and the lower pressing cover (44) (46) To be the same, the greater the degree of opening of the pressing sleeve (42), the greater the stroke of the upper and lower glands (44) (46) are close to each other, so the tightening sleeve (42) must have a certain degree. The length can not be properly reduced by the stroke of the two pressure caps (44) (46), so that the existing front tensioner (4 inches) has a considerable volume. © [Invention] Therefore, the present inventors have finally developed a present invention which can improve the existing defects in view of the existing structure and research of the structure and the use of the front fork tensioner. The main object of the present invention is to provide a front fork tensioner which can be applied to frames of different sizes and can effectively reduce the length and volume of the tensioner to thereby increase the front tensioner. The use of flexibility and practicality. 6 200940404 has the above object, the present invention mainly provides - the front and the tight and the second: the f-cylinder 'the tensioning sleeve has a C-shaped cross section with an opening, 'the cylinder is made of elastic and plastic material The utility model is provided with: a dust seat disposed on the end of the pressing sleeve-end, a cone (four) surface formed on the inner end surface of the sleeve on the upper housing, and a coupling screw which can be screwed and bolted on the upper seat a hole and a ❹ - a lower pressing sleeve which is disposed adjacent to the other end of the upper pressure seat and threadedly coupled with the upper pressure seat, and a lower end of the lower pressure cover is formed to abut against the inner end surface of the pressing sleeve Conical pressure surface. The second embodiment is further provided with a coupling tube extending to the other end of the pressing sleeve, and an external thread is disposed on the outer circumference of the coupling tube, and one and the upper pressing cover are disposed on the lower pressing cover. The socket is a screw hole that is screwed to the outside of the pipe. The slope of the previous pressing device' in which the lower cover pressing surface and the upper pressing seat abut are not the same. The previously tightening device causes the sides of the opening of the pressing sleeve to be parallel to each other. The front fork tensioner, wherein the top surface of the upper pressure seat is provided with a tool hole that is non-circular and communicates with the coupling screw hole. The front fork tensioner, wherein the sides of the opening of the pressing sleeve are inclined at an angle. By the above technical means, the present invention can achieve the following enhancements: 1. Since the pressing sleeve of the present invention is made of a plastic having a better elasticity or a composite material of 200940404, the pressing sleeve can be added. The extent to which the cylinder can be opened can be used to apply the front and the tensioner to different sizes of the front fork tube to enhance the flexibility and practicability of the front tensioner. The inclination of the pressing mask on the lower gland can shorten the stroke required to push the tensioning sleeve apart, and can appropriately reduce the length of the pressing sleeve and reduce the front tensioner. The overall volume. 3 · The number of the tensioner members of the present invention is reduced, and can be applied to frames of different sizes, so that the manufacturing of the whole of the tensioner can be appropriately reduced. [Embodiment] The present invention mainly provides a front fork forced For the tensioner (10), please refer to the figures shown in Figures 1 and 2. 'Before the invention, the tensioner (1〇) mainly includes a pressing sleeve (12), an upper pressing seat (14) and a lower part. a gland (16), wherein the pressing sleeve (12) has a c-shaped cross section and has an opening (122), and the two sides of the opening (12) may be parallel or at an oblique angle to each other, and the pressing sleeve is The cylinder (12) is made of elastic and plastic materials such as plastic and carbon fiber. The upper pressing seat (14) is disposed at one end of the pressing sleeve (12), and a tapered pressing surface (142) abutting against the inner end surface of the pressing sleeve (12) is formed on the upper pressing seat (14). And protrudingly forming a joint pipe (144) extending to the other end of the pressing sleeve (12), the outer circumference of the joint pipe (144) is provided with an external thread (145), and the top surface of the upper press seat (14) is provided There is a non-circular tool hole (146) for rotating the upper pressure seat (14) with a hand tool such as a screwdriver or a hex wrench, and a tool hole (146) is provided on the pressure seat (14) of the 8200940404. A coupling screw hole (丨4 8 ) that is connected and can be screwed with a coupling bolt (20). The lower pressing cover (16) is disposed on the other end of the pressing sleeve (12) different from the upper pressing seat (14), and is combined with the upper pressing seat (14) by a thread, and the lower pressing cover (16) The peripheral edge is formed with a tapered pressing surface (162) abutting against the inner end surface of the pressing sleeve (12), and is provided with a screw threaded to the outer thread (145) of the upper pressing seat (14). The screw hole (164), wherein the pressing surface of the lower pressing cover (16) and the pressing surface (142) of the upper dust seat (14) are not the same.借此 In this way, please refer to the second and third figures. When the tensioner (10) is placed in the front fork tube (70), the upper pressure seat can be rotated directly or with the tool matching tool hole 46). ), the threaded engagement between the external thread (145) of the upper pressure seat (14) and the screw hole (164) of the lower pressure cover (16) allows the upper pressure seat (14) and the lower pressure cover (16) to move closer to each other. And pressing and pressing the pressing sleeve (12) by the tapered pressing surface (142) (162) of the upper pressing seat (14) and the lower pressing cover (16) to make the inner wall of the pressing sleeve (12) Closely against the inner wall of the front fork tube (7〇), and finally a coupling bolt (20) is passed through a top cover (22) and screwed into the joint of the upper pressure seat (14). And the top pressing cover (22) is abutted against the end of the handle riser (80), thereby allowing the front fork tube (7〇) to be tightly coupled with the handle riser (8〇), and the front fork tube (70) Rotate with the handle riser (80) to change the direction of travel of the bicycle. Since the pressing sleeve (12) is made of a plastic or composite material having a better elasticity, the magnitude of the tensioning sleeve (12) being pushed can be increased, so that the front can be increased. The tensioner (1〇) is suitable for different sizes of the front tube (70)' to enhance the flexibility and practicability of the front tensioner (1〇). 200940404 In addition, since the upper pressing seat (14) and the pressing surface (142) (162) on the lower pressing cover (16) have different inclinations, the stroke required for the tensioning sleeve (12) to open is thus pushed. , can be effectively shortened because the one side pressing surface (142) (162) has a large inclination, thereby appropriately reducing the length of the pressing sleeve (12), and further narrowing the front fork tightly The overall volume of the device (10). BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective exploded view of the present invention. The second figure is a partial cross-sectional view of the present invention before the front tube and the handle riser are locked. The third figure is a partial cross-sectional view of the present invention combined with the front fork tube and the handle riser. The fourth figure is a partial cross-sectional view of the prior front tensioner combined with the front tube and the handle riser. The fifth figure is an exploded view of the existing front tensioner. [Main component symbol description] (10) Tensioner © (14) Upper pressure seat (144) Combined tube (146) Tool hole (16) Lower pressure cover (164) Screw hole (22) Top pressure cover (42) forced Tight sleeve (442) pressing surface (12) pressing sleeve (142) pressing surface (145) external thread (148) combined with screw hole (162) pressing surface (20) combined with bolt (40) tensioner (44) Upper gland (46) Lower gland 200940404 (4 6 2) Abutment surface (50) Bonding bolt (70) Front fork pipe (464) Screw hole (52) Top gland (80) Handle riser