1282319 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種收合式自行車，在此專指一種可快速的將 自行車前、後輪縮小距離之技術，以供使用者可省力的推動該收 合後之自行車行進’並能達到安全操作之要求。 【先前技術】 自行車可廣泛作為休閒運動或代步之工具，為使其具有容易 攜生’而能乘坐交通工具的供長途輸送至目的地，現已經開發 出具市場性之折疊自行車’例如我國公告第M270980號『折疊式 自行車㈡』、第脇6229號『折疊式自行車㈠』、第觀748 號『折疊式自行車架』、第M256333號『折疊式自行車』· ·等等 闕之，該等自行車大都強調不用拆、快折疊的功能，據以大幅 縮賴積的使自行車前、後輪能併排的對合在—起，俾供使用者 可以手來提動的乘坐交通工具。 而此類折$式自彳了車結構即便再輕，也要數公相上，盆在 攜行尚可行，可是在長時間以手部攜行;， 内H 例如：在人潮眾多之車站或大眾交通工具 内^化___細她 此 -來’便會造成使財體力之極大負擔 =女此 以屈就，如果是小孩或上年紀的人壯的人尚可 其不便之處。 了單尤、、就不心時的實際需求’而有 1282319 因此’如何提供—種可省力且能穩定的推動及支撐該折疊後 之自行車、、、口構，當為眾多使用者所殷切企盼，本發明人乃基於該 省力推動之訴求點，雜努力研究，經多次試驗與改良，終於發 展出確具實用功效之本發明。 【發明内容】 為使貝審查委員能進一步瞭解本發明之結構，特徵及其他 目的，兹附以較佳實_之圖式詳細說明如後： 明參閱第一及四圖，本發明係於車架分別按裝有前輪組 (^、後輪組（2 )、把手（3)、座塾（4)、傳動機構及煞車 系統以組成自行車之基本結構，其特徵在於鱗架之結構，該車 架包括有： 車頁g ( 1 0 ) ’其底端係供前輪組（1 )按裝、頂端則供 把手（3 )組裝’ t遍在車頭管（丄Q )頂緣向後方延設有一上 樞座（1 1 )，而車頭官（i Q )底緣亦向後方岐有—下極座（1 2)； 一上管（2 Q )，其—端設有樞耳（2 1 )，該樞耳（2 jl ) 係供車頭管（1 Q )上樞座（1 1 )對合_，並以-樞轉組（2 2)使樞耳（21)及上樞座（工工）相對樞接，令上管（2 〇) -端樞接於車頭管（1Q)上緣，而上管（2q)另端係以弧狀 的向後下方延設，並於其另端設有樞塊（2 3 )，而在上管（2 〇 ) 兩端之間則交錯的縱向設置有—座管（2 4 )，該座管（2 4 )頂 1282319 端係供-座塾（4)按裝，並使該座塾（4)可上、下的調整高 度’如第三圖所示’使其能順應不同身高之使用者利用，為了增 加該座管（2 4)之結構性，可於座管（2 4)頂緣及上管（2 0)間連設一補強管（2 5); 一後管（3 Q )，其1係财耳部（3 1 )，肋供上管（2 0) 樞塊（2 3)對合其中，再以一樞轉組（3 2)使耳部（3 1) 及樞塊（2 3)相對樞接，令後管（3 〇 H區接於上管（2 0)底端’並於後管（3 Q)彎弧出—曲折段（3 〇 i )，此曲折 段（3 01)係供後輪組（2)按褒，然後於曲折段（3 〇工） 朝前輪組（1)的方向接出一平直段（3 〇 2 )，此平直段（3 〇 2 )末端則橫設有五通管（3 3 )，此五通管（33)係供曲柄轴 (3 4)倾’用以按裝傳動結構，以利使用者可踩踏的藉由傳1282319 IX. Description of the Invention: [Technical Field] The present invention relates to a retractable bicycle, and specifically refers to a technique for quickly reducing the distance between the front and rear wheels of a bicycle, so that the user can push the After the folding of the bicycle travels 'can achieve the requirements of safe operation. [Prior Art] Bicycles can be widely used as a tool for leisure sports or transportation. In order to make them easy to carry and can be transported to a destination by long-distance transportation, a bicycle folding bicycle has been developed. M270980 "Folding bicycle (2)", No. 6229 "Folding bicycle (1)", No. 748 "Folding bicycle frame", No. M256333 "Folding bicycle" ·, etc., most of these bicycles Emphasis on the function of not disassembling and fast folding, so that the front and rear wheels of the bicycle can be aligned side by side, and the vehicle can be lifted by the user. And such a folding type is self-contained, even if it is lighter, it must be on the public phase. It is still feasible to carry the pot, but it is carried by hand for a long time; for example, in a crowded station or In the mass transit, the ___fine her--come--will cause a great burden on the financial strength = the woman will give in, if it is a child or a strong person, it is inconvenient. The actual demand of the singularity, and the unsatisfactory time, has 1,823,319, so how to provide a kind of energy-saving and stable promotion and support of the folded bicycle, and mouth structure, as many users are eagerly awaiting The present inventors have finally developed a practical invention based on the demand for the labor-saving promotion, the diligent research, and the many trials and improvements. [Brief Description of the Invention] In order to provide a further understanding of the structure, features and other objects of the present invention, the following is a detailed description of the preferred embodiment of the present invention as follows: Referring to the first and fourth figures, the present invention is attached to the vehicle. The frame is equipped with a front wheel set (^, a rear wheel set (2), a handle (3), a seat cymbal (4), a transmission mechanism and a brake system to form a basic structure of the bicycle, which is characterized by the structure of the scale frame, the vehicle The frame includes: car page g (1 0 ) 'The bottom end is for the front wheel set (1), the top end is for the handle (3) assembly' t the top edge of the front tube (丄Q) is extended to the rear The upper seat (1 1 ), and the bottom edge of the front head (i Q ) also has a lower pole (1 2); an upper tube (2 Q ) with a pivot (2 1 ) at its end The pivoting lug (2 jl ) is for the head tube (1 Q ) to pivot (1 1 ) to the _, and to pivot the group (2 2) to make the pivoting arm (21) and the upper pivoting seat (worker) Relatively pivoting, the upper tube (2 〇)-end is pivotally connected to the upper edge of the front tube (1Q), and the other end of the upper tube (2q) is extended in an arc-shaped rearward downward direction, and is provided at the other end thereof. Pivot block (2 3 ), while in the upper tube (2 The longitudinal direction between the two ends is provided with a seat tube (2 4 ), and the top end of the seat tube (2 4 ) is 1282319, and the seat (4) is mounted, and the seat (4) is mounted thereon. The lower adjustment height 'as shown in the third figure' enables it to be used by users of different heights. In order to increase the structurality of the seat tube (2 4), it can be used on the top and upper tubes of the seat tube (24). (2 0) is connected with a reinforcing pipe (2 5); a rear pipe (3 Q), 1 is the ear (3 1 ), and the rib is used for the upper pipe (2 0). Wherein, the ear portion (3 1) and the pivot block (23) are pivotally connected by a pivoting group (3 2), so that the rear tube (the 3 〇H region is connected to the bottom end of the upper tube (20) and In the rear tube (3 Q), the curved section (3 〇i) is bent, and the tortuous section (3 01) is used for the rear wheel set (2) to press the 褒, then the tortuous section (3 〇) to the front wheel set ( 1) A straight section (3 〇 2 ) is connected in the direction, and a five-way pipe (3 3 ) is provided at the end of the straight section (3 〇 2 ), and the five-way pipe (33) is provided for the crankshaft ( 3 4) Ding' is used to install the transmission structure, so that the user can step on the pass
動結構來帶動後輪組（2)之後輪轉動，而五通管（3 3)在與 前輪組（1 )同側的外周位置則設有卡槽（3 5 )，另於五通管U 3 )外周底端向下延設有一框形連接件（3 6 )，此連接件（3 6 ) 底緣則貫設有和曲柄軸（3 4)同向之組裝孔（3 7); 一下管（4 0 )，其一端設有樞耳（4丄），該樞耳（4工） 係供車頭管（1〇)下樞座q 2)對合於内，該下樞座（丄2) 設有貫穿孔，使下管（4 〇)—端以樞轉組樞接於車頭管（丄〇) 下緣，此柩轉組係以兩同軸並排之軸承（420)(421)按穿 於下樞座（1 2 )貫穿孔内，然後準備一具頭部之軸管（4 2 2 !282319 _管（4 2 2 )之軸身係穿樞樞耳（4 i )及下樞座（ 之兩軸承（4 2 0 ) ( 4 2 1 )，再以螺栓（4 9 q 於細其r/19〇、士 2 3)由另端螺合 B (4 2 2)中，使螺检（423)之頭部和軸管（ ^部分減餘樞耳（4 1 )_，據以提升該樞接之結構性 及轉動順，使下管（4 〇 )—端穩定的樞接於車頭管（丄〇 ) 下緣，而下管（40)另端則設有樞部（43)，此框部（ =對合於連接件（3 6)内’該樞部（4 3)設有貫穿孔，使下 官（4 0)另端以另-樞轉組樞接於車頭管（丄◦)下緣，此插 轉組係以兩同軸並排之軸承（4 3 ◦ ) ( 4 3丄）按裝於拖部（4 3 )貫穿孔内，然後準備一具頭部之轴管（4 3 2 )，該轴管“ 3 2)之軸錢穿樞連接件（3 6)及樞部（43)之兩轴承Q 3〇) ( 4 3 1 ) ’再以螺栓（4 3 3)由另端螺合於轴管（43 2)中’使螺栓（4 3 3 )之頭部和軸管（4 3 2)之頭部分別 夾制於連接件（3 6)兩側’據以提升該樞接之結構性及轉動順 暢性，使下官（4 〇)該端足以偏心的穩定樞接於後管（3 〇) 之五通管（3 3)下方，同理、該下管（4◦)兩端之樞轉組亦 可等效的運驗後管（3 Q )樞接於上管（2 q )底端之樞轉組 (3 2)上，及上管（2 〇)與車頭管（1〇)之枢轉組（2 2) 上’以強化該後管（3 〇)及上管（2 〇)樞接之結構性及順暢 性，另外，下管（4 〇)在近樞部（4 3)的端緣則設有一扣接 單元（5 0 ) ’用以扣接於五通管（3 3 )上的卡槽（3 5 )，以 1282319 便限位該後管（3 Q )和下管（4 Q )之織關係； 扣接早7L ( 5 Ο )，其係於下管（4 〇 )上設置一扣框座（5 1) ’扣框座（5 1 )頂面則對合_扣合件（5 2 )，此扣合件（5 2 )中段_向下延設有兩耳塊（5 2 i )、一酬向下彎曲有一 扣考王（5 2 2 ) ’此兩耳塊（5 2工）係對合於扣框座（5工）兩 侧’且供一軸件（5 3)穿樞，該轴件（5 3)在扣框座（51) 内則套叹有卡^( 5 4 )，使卡簧（5 4 )活動端得抵推扣合件（5 2 )’使扣栓（5 2 2 )得由上向下赌人卡槽（3 5 )中，使之 限位後管（30)和下管（4〇)之樞接關係，如第五、六、七 圖所示，當使用者向下按動扣合件（5 2)自由端後，即能使扣 栓（5 2 2 )脫出卡槽（3 5 )’如此，即能藉由向上扳動後管（3 〇)和下管（40)，使該後管（3 〇)和下管（4〇)向上折收， 如第八及九圖所示，其車頭管（1〇)及上管（2 Q)底端會同 步的内縮-段距離’令前、後輪組⑴⑵之間距被縮短，使 整個體積會_很小，輯成—可供使用者推移敝合自行車， 並月b達到間易與快速展開和收合之優點。 【實施方式】 由以上之主要内容得知，本發明在實施時，係使車頭管（工 0)高度和車架高度大約相當，且控制車頭管（丄〇)、上管（2 〇 )後官（3 0)和下管（4 0)構成-四連桿之拘束鏈結構， 並藉由連接件（36)而使後管（3〇)和下管（4〇)非同轴 1282319 設置，以利下管（4 〇 )之扣接單it ( 5 Ο )在扣合五通管（3 3)時，能有效的限制該後管（3 〇)和下f(4 〇)才區連關係， 且使用者在聽本發啊，其身體大部份的重量及施力會落於五 通官（3 3)上，但下管（4 〇)因偏心的樞連於五通管（3 3) 下方，會使該車頭管（1 〇 )、上管（2 0 )、後管（3 0 )和下 苢（4 0 )壬相對穩定的固定狀態，足以因應該重量及施力， 使其可有效的提供使用者騎乘； 而此一結構主要係使得在釋放該扣接單元（5 Q)後，藉由 車頭管（1〇)、上管（20)、後管（3 0)、下管（4 0)兩端 之樞轉組係同叫軸承、軸管及螺栓之結構而順暢且穩固的枢 連，候时只須施以適#的力量即能向上簡便且快速的向上收 合後官（3 0 )和下管（4 0 )，並令前、後輪組⑴（2 )之 間距被=短而使整個體積縮小，藉由該前、後輪組⑴⑵可 同步的前後接觸地面之折收狀態，以構成—可供推移的收合自行 車使其可省力且能穩定的供使用者推動及支撐之用，如此便能 不佔空败自如的在人郝多之車站推行本發明，或者在乘坐大 =工具時’該收合之自行車能有效且長時間的提供使用者省 2之用使—般小孩或上年紀的人也能夠糊的攜行。 綜上所述，本發明在現有之此類結構之中是前所未見，由於 本案具有悉心之勒’確可讓使时在勒日枝為得心料，而 為一相當傑出且優異之設計，盆在 ^ ，、在冋颂產口口中均未見有類似之發 1282319 明或公開之發表，故粹 又付合發明專利之申請要件， 請。惟以上所述者，僅 b 支依法提出申 之服 僅為本㈣之—錄實施_已，當不能以 定本發轉施之麵，即大凡依本發日騎請補範圍所作之 二荨變化與修飾，皆應仍屬本發明涵蓋之範固内。 1282319 Γ圖式簡單說明j 第一圖··係本發明下管及扣接單元之分解示意圖。 第二圖··係本發明之組合外觀示意圖。 第三圖··係本發明座墊可調整高低之動作示意圖。 第四圖：係本發明下管、錄及扣接單元之組合剖面示意圖 第五圖：係本發明鬆脫扣接單元之動作示意圖。 σ 第六圖：係本發_上_折收下管及後管之動作示意圖。 第七圖：係本發_續向上折收下f及後f之動作示賴。 第八圖：係本發赌蚊成之外觀示意圖。 第九圖：係本發明於折後可供推動攜行之示意圖。 【主要元件符號說明】 (1)前輪組 (2)後輪組 (3 )把手 (4)座墊 (1〇)車頭管 (12)下樞座 (11)上樞座 (2 0)上管 (21)樞耳 (2 2)樞轉 (2 3)樞塊 (2 4 )座管 (2 5)補強管 (3 0 )後管 (3 01)曲折段 (3 0 2)平直段 (31)耳部 (3 2 )樞轉 (3 3)五通管 (3 4)曲柄軸 (3 5)卡槽 12 1282319 (3 6 )連接件 （3 7)組裝孔 (40)下管 （41)樞耳 (4 2 0 ) ( 4 2 1 )軸承（4 2 2 )軸管 — (4 2 3 )螺栓 （4 3)樞部 ，. （4 3 0 ) ( 4 3 1 )軸承（4 3 2 )軸管 (4 3 3 )螺栓 (5 0)扣接單元 (51)扣框座 (5 2)扣合件 (5 21)耳塊 (5 2 2)扣栓 (54)卡簧 (5 3)軸件 13The moving structure drives the rear wheel set (2) to rotate after the wheel, and the five-way pipe (3 3) is provided with a card slot (3 5 ) at the outer peripheral position on the same side as the front wheel set (1), and the five-way pipe U 3) a frame-shaped connecting member (36) extending downward from the bottom end of the outer periphery, and the bottom edge of the connecting member (36) is provided with an assembly hole (3 7) in the same direction as the crank shaft (34); The tube (40) has a pivoting arm (4丄) at one end thereof, and the pivoting arm (4 working) is provided for the front tube (1〇) lower pivoting seat q 2) to be engaged, the lower pivoting seat (丄2) ) a through hole is provided, so that the lower tube (4 〇)-end is pivotally connected to the lower edge of the front tube (丄〇) by a pivoting group, and the rotating group is worn by two coaxially parallel bearings (420) (421) After the lower pivot seat (1 2 ) penetrates the hole, then prepare a shaft tube of the head (4 2 2 ! 282319 _ tube (4 2 2 ) shaft shaft through the pivot pin (4 i ) and the lower pivot seat (The two bearings (4 2 0 ) ( 4 2 1 ), and then bolted (4 9 q in fine r / 19 〇, ± 2 3) from the other end screw B (4 2 2), make the screw inspection (423) The head and the shaft tube (^ part of the reduced pivot (4 1 ) _, according to which the structural and rotational rotation of the pivotal joint is raised, so that the lower tube (4 〇) - Stabilized pivotal connection to the lower edge of the front tube (丄〇), and the other end of the lower tube (40) is provided with a pivot (43), the frame (=opposite the connector (36)) (4 3) A through hole is provided, so that the lower end of the lower officer (40) is pivotally connected to the lower edge of the front tube (丄◦) by the other-pivoting group, and the insertion group is a bearing coaxially arranged on both sides (4 3 ◦ ) ( 4 3丄) is installed in the through hole (4 3 ) through the hole, and then prepare a shaft tube (4 3 2 ), the shaft tube "3 2) shaft money pivot joint ( 3 6) and the two bearings of the pivot (43) Q 3〇) ( 4 3 1 ) 'Secondly screwed to the shaft tube (43 2) by the other end of the bolt (4 3 3) to make the bolt (4 3 3 The head of the head and the shaft tube (4 3 2) are respectively clamped on both sides of the connecting member (36) to improve the structural and rotational smoothness of the pivoting joint, so that the lower officer (4 〇) The end is sufficiently eccentric to be pivotally connected under the five-way pipe (3 3) of the rear pipe (3 〇). Similarly, the pivoting group at both ends of the lower pipe (4 ◦) can also be equivalent to the post-test pipe ( 3 Q ) pivotally connected to the pivoting group (32) at the bottom end of the upper tube (2 q ) and the pivoting group (2 2) of the upper tube (2 〇) and the front tube (1〇) In order to strengthen the structural and smoothness of the rear tube (3 〇) and the upper tube (2 〇), the lower tube (4 〇) is provided with a fastening unit at the end of the near arm (43). (5 0 ) ' used to fasten the card slot (3 5 ) on the five-way pipe (3 3 ), and to limit the weaving relationship between the rear pipe (3 Q ) and the lower pipe (4 Q ) by 1282319; 7L (5 Ο) early, it is set on the lower tube (4 〇) to set a button frame seat (5 1) 'The top frame of the buckle frame seat (5 1 ) is the opposite _ fastening piece (5 2 ), this The middle part of the fastening piece (5 2 ) _ is downwardly provided with two ear pieces (5 2 i ), and one piece of downward bending is one buckle (K 2 2 ) 'The two ear pieces (5 2 workers) are combined The two sides of the frame frame (5 workers) are pivoted, and the shaft member (5 3) is pivoted. The shaft member (5 3) is slid in the frame frame (51) with a card ^ ( 5 4 ) to make the card The spring (5 4 ) movable end is pressed against the push-fit component (5 2 ) to make the buckle bolt (5 2 2 ) from the upper and lower gambling card slot (3 5 ), so that the limit rear tube (30) The pivotal relationship with the lower tube (4〇), as shown in the fifth, sixth and seventh figures, when the user presses the free end of the fastening member (52) downwards, the buckle can be fastened (5 2 2 ) take out the card The groove (3 5 ) is such that the rear tube (3 〇) and the lower tube (4 〇) can be folded upward by pulling the rear tube (3 〇) and the lower tube (40) upward, such as the eighth As shown in Figure 9 and the bottom end of the front tube (1〇) and the upper tube (2 Q), the distance between the front and rear wheels (1) and (2) is shortened, so that the entire volume will be small. , the compilation - for users to shift the bike, and the monthly b to achieve the advantages of easy and rapid expansion and folding. [Embodiment] It is known from the above main contents that the present invention is implemented such that the height of the head pipe (work 0) is approximately equal to the height of the frame, and after the front pipe (丄〇) and the upper pipe (2 〇) are controlled. The official (30) and the lower tube (40) constitute a four-link restraint chain structure, and the rear tube (3〇) and the lower tube (4〇) are non-coaxial 1282319 by the connecting member (36) The deduction of the lower tube (4 〇), it (5 Ο ), can effectively limit the rear tube (3 〇) and the lower f (4 〇) area when the five-way tube (3 3) is fastened. Even if the user is listening to the hair, most of the weight and exertion of the body will fall on the Wutongguan (3 3), but the lower tube (4 〇) is connected to the five-way tube due to the eccentricity. (3 3) Below, the head tube (1 〇), upper tube (20), rear tube (30) and lower jaw (40) are relatively stable and fixed, which is sufficient for weight and force. , so that it can effectively provide the user to ride; and this structure is mainly caused by the front tube (1 〇), the upper tube (20), the rear tube (3) after releasing the fastening unit (5 Q) 0), the pivoting group at both ends of the lower tube (40) The smooth and stable pivot connection of the structure of the bearing, the shaft tube and the bolt can only be applied to the right (3 0 ) and the lower tube (4 0 ) by simply applying the force of the right hand. And the distance between the front and rear wheel sets (1) and (2) is shortened to make the whole volume smaller, and the front and rear wheel sets (1)(2) can be synchronized with the front and back contact with the ground to form a state of The combination of the bicycle makes it labor-saving and stable for the user to push and support, so that the invention can be carried out at the station of Hato, which is freely vacant, or when the ride is large = tool Bicycles can be used effectively and for a long time to provide users with a saving of 2 so that children or older people can also carry it. In summary, the present invention is unprecedented in the existing structure of the present invention, because the case has a careful Le 'can indeed make the time in Le Rizhi as a wish, but a rather outstanding and excellent design The pots are in the ^, and there is no similar publication of the 1282319 Ming or the public in the mouth of the sputum. Therefore, the application requirements for the invention patents are also required. However, the above mentioned, only the b branch is only required to apply for the law according to the law. And modifications should still be within the scope of the present invention. 1282319 Brief description of the drawing diagram The first figure is an exploded view of the lower tube and the fastening unit of the present invention. The second figure is a schematic view of the combined appearance of the present invention. The third figure is a schematic diagram of the action of adjusting the height of the seat cushion of the present invention. The fourth drawing is a schematic sectional view of the lower tube, the recording and the fastening unit of the present invention. The fifth drawing is a schematic view of the action of the loose fastening unit of the present invention. σ The sixth figure is a schematic diagram of the action of the lower tube and the rear tube. The seventh picture: This is the _ continuation of the upward movement of f and f after the action. The eighth picture: the appearance of the gambling mosquito. The ninth figure is a schematic diagram of the invention that can be promoted after being folded. [Main component symbol description] (1) Front wheel set (2) Rear wheel set (3) Handle (4) Seat cushion (1〇) Head tube (12) Lower pivot seat (11) Upper pivot seat (20) Upper tube (21) pivot (2 2) pivot (2 3) pivot (2 4) seat tube (2 5) reinforcement tube (3 0) rear tube (3 01) tortuous section (3 0 2) straight section ( 31) Ear (3 2 ) Pivot (3 3) Five-way pipe (3 4) Crankshaft (3 5) Card slot 12 1282319 (3 6 ) Connector (3 7) Assembly hole (40) Lower tube (41 ) pivot (4 2 0 ) ( 4 2 1 ) bearing (4 2 2 ) shaft tube — (4 2 3 ) bolt (4 3) pivot, . (4 3 0 ) ( 4 3 1 ) bearing (4 3 2) Shaft tube (4 3 3 ) bolt (50) fastening unit (51) buckle frame seat (5 2) fastening component (5 21) ear block (5 2 2) buckle bolt (54) circlip (5 3) Shaft 13