1274007 九、發明說明： 【發明所屬之技術領域】 尤指一種折疊式自行車的結 本發明係有關於自行車 構改良。 【先前技術】 #目月〕白知的折髮式自行車，例如本發明人先前申請公 :第443247號「折疊式自行車」專利案（如附件），其係 揭不了 -種具有可折4ι纽的自行車 ，其中，該自行車包 t ”〜一 t體Μ ’ 一後上叉160，該後上叉160設有第-u一^ ’其中第—端係、設有—避震器⑻，又該端係 _於車體10之座管122後方，又後上又⑽之第二端係 與後輪20相翻之；一連捍裝置180，該連桿裝置180具 有與2體10產生—相馳轉之功能，_連桿裝置⑽ 設：第：端與第二端，其中第一端係與座管動樞固， 而第-立而係與後輪2〇相樞固；一傳動機構·19〇，該傳動機 構190除具有傳動動力之功能，亦具有與連桿裝置180 -^轉之魏；藉由折疊上狀連桿裝置，使其產生 弓折’亚㈣㈣’該連桿裝置⑽亦會帶動傳動機構⑽ ”後上叉160 _、折，此時持續折疊連桿裝置⑽，使 車，10之主要邛份達到一折疊狀態，使車體之體積縮到最 小，以供使用者可牽動或提攜。 然則，實際使用該習知折疊式自行車一段時間後，係 毛m知折奸自行車結構較為複雜，在生產製造上必 1274007 須投入車又多的成本，再者，該習知折疊式自行車之避震器 161主要係設置在後上叉160上，如此_來，其雖有達到 避震的功效，惟必須具有較長的行程始能提高避震效果， 且卢避晨态161除了吸收震動的衝擊外，更吸收了 一部份 %士的踩踏力量，而此缺失，係將影響競賽選手的成績， 故有改良之必要。 【發明内容】 本發明『折疊式自行車之結構改良』所欲解決之技術 問題係在於本發明人先前設計之習知折疊式自行車在生產 Ik上仍有成本車父南的缺點存在’且避震器的設計亦非良 好，故另作改良開發之設計。 本發明係提供一種折疊式自行車之結構改良，其包括 有 車體，具有一第一端及一第二端，該第〆端設有 把手及前輪，且該車體於二端之間設有一結合部、一第 一樞部及一第二樞部；一連桿裝置，係具有一第一端及 一第二端，該第一端係樞接至車體之第一樞部；〆避震 斋’係具一端係樞接至車體之第二樞部，而另/端枢接 至連桿裝置；一後下叉，係一端係樞接至連桿裝置第二 端’而另一端結合後輪；當連桿裝置朝車體第一端方向 柩擺時，係可連動該後下叉將後輪帶往車體第/端方向 移喬’且樞擺至連桿裝置結合至結合部時，即墓折疊狀 態。 1274007 【實施方式】 以下茲舉一較佳實施例並配合圖式詳述如後，僅供說 明之用，在專利申請上並不受此種結構之限制。 i…、弟一圖至第三圖，本發明之折疊式自行車主要包 括有： 車體ίο，係具有一第一端及一第二端，且第一端與 第一端之間具有一橫桿11，並該橫桿11上依序設有一結合 部12及一第一樞部13，而該結合部12係設有一結合孔121 ; 該車體10第一端係設有一第一豎管14，該第一豎管14 其中一端係設有一快拆裝置141，且快拆裝置141可供一把 手15結合，而該第—豎管14另一端則結合有一前叉16，該 铀叉16另結合有前輪1 ; 該車體10第二端係設有一第二豎管17，該第二豎管17 其中一端係可供椅座18之座管181插入結合。，且該處亦設有 一快拆裝置182,而第二豎管17之第二端則形成為一第二樞 部19 ; 該第二豎管17與橫桿n之間，係更另外設置有一提把 20 ’該提把20之二端係固設於第二豎管17及橫桿11 ; 一連桿裝置30，係包含有一連桿31、一第一檔板32及 一第二擋板33，該連桿31具有一第一端及一第二端，該第 令而係框接至車體1〇之第一枢部13，而該二擋板32、33係 相對地失設樞接至連桿31上； 该二檔板32、33皆具有一第一端及一第二端，且其第 一端皆樞接至連桿31，而第一擋板32第二端設有一插孔 1274007 321 ’弟·一擋板33弟一端形成有一擋壁331，而該二擋板32、 33第二端皆延伸有一耳部322、332 ; 控制件40，係设於連桿31第二端之位置，且該控制 件;40包含有一梢件41、一彈簧42、一^^掣件43、一壓板44 及一帽套45 ; 該梢件41係穿伸在連桿31第二端，其具有一第一端及 弟^一立而，5玄弟一立而设有一C形扣411，而第二端可供彈菁 42、卡掣件43、壓板44套入，並再螺合於該帽套45，且其 中該彈簧42係一端抵於C形扣411，而另一端抵於卡掣件43; 一避震器50，係具有一第一端及一第二端，該第一端 係樞接至第二樞部19，而第二端則柩接至該二擋板32、33 之二耳部322、332間； 一後下叉60，係具有一第一端及一第二端，該第一端 係結合至踏板轴70，且該踏板軸7〇延伸有二耳部？！以供連 桿31第二端樞設，而該後下叉之第二端則結合有後輪2 ·， 該後輪2更結合有一後上又8〇,該後上又8〇亦具有一第 一端及一弟一端，該第一端係樞接至第二樞部19，第二端 則結合至後輪2 ; 該後輪2其中一側係更設置有一停車裝置9〇，且該停 車裝置90包含有一座體91及一停車桿92，該停車桿92係可 相對該座體91作三段式的切換調整。 參照第四圖，本發明之折疊式自行車在展開狀態下， 該控制件40的梢件41，其第一端係穿伸於第一擋板32的插 孔321内，且卡掣件43係抵於第二擋板33的擋壁331，又該 1274007 壓板44係壓掣於第二擋板33，故於此狀態下，該連桿y受 限於該二擋板32、33的牽制，故無法作任何的樞擺動作。 #茶知第五圖’當拉動該帽套45時，係將連重力該梢件〇 第一端脫離插孔321，而解除卡掣。 /芩恥第六圖，當卡掣解除時，該連桿31即可脫離該二 擔^2、33而朝車體1〇第一端方向樞擺，且此時亦將連動 避晨裔50、後下叉6〇及後上叉別同步樞擺。 參照第七圖，當連桿31樞擺至梢件41卡入至結合部12 的結合孔121時，該自行車即完成初步的折疊狀態，且同時 ^第六圖所示，本發明自展開狀態框擺至初步的折疊狀 態時，該停車桿92亦可同時作段位調整，如此一來，初步 折疊狀態下的自行車亦可穩固的停車；· 此處另外需要說明的是，該自行車於展開狀態下時， 該停車桿92亦可切換至與後下謂略呈平行，惟此為騎乘 時之必需’故不另作圖式上的揭示； &再者，此處更需要說明的是，因為本發明初步折叠狀 態下的前輪1與後輪2皆於同一直線上，故使用者仍可=牽 動的方式使自行車前行，以改善搬運時費力的情形。 參照第八圖，當把手15折下且椅座18下移時，即為 發明最終折疊狀態，於此狀態下，所佔體積最小，三 更為方便； 紙上 而此處需說明的是，本發明於車體10上因設置有浐才 20，故亦可改以提拿方式運輸該自行車。 义巴 就以上所述可以歸納出本發明具有以下之優點· 1274007 、表戶『折疊式自行車之結構改良』，其藉由將 干月體第-端方向樞擺結合，即可連動該避震器、後 下又及後上又同步樞擺，並因此使得後輪朝車體第一端位 k而使自订車收縮折疊、縮小體積，進一步可方便騎乘 者折疊攜帶。 2.本發明之『折疊式自行車之結構改良』，其避震哭 係設置在車體第二端與連桿之間，因此行料f太長，I f為避震器不會有拉長的效果，所以騎士用力踩踏時的力 量並不會如同習知自行車般被避震賴吸收，故本發明之 折疊式自行車更適合競技之用。 3· j發明之『折疊式自行車之結構改良』，其折疊之 後’該錢與後輪仍舊保持在同—直線上，且車體亦保有 適田冋度林發明之折疊式自行車亦可供使用者方便 牽動’當然，因為本發明亦設置有提把，亦保有了原本可 提拿之功效，故本發明實為—極具進步性之設計。 〃 4.本發明之『折疊式自行車之結構改良』，其停車桿 係可依自彳了車展開或折疊之不同位 整’進一步可使自行車在不同狀態下，皆能保;;車支: 之功能。 5 T平又寸牙 唯^所述者，僅為本發明之較佳實施例而已，當不能 以之限=翻實敲_，故軌數值Π 元 件之=，或依本發明申請專利範圍所作之均二== 飾，^應仍屬本發明專利涵蓋之範疇。 、 … 1274007 【圖式簡單說明】 第一圖為本發明之立體外觀圖。 第二圖為本發明之結構分解圖。 第三圖為本發明之侧視圖。 第四圖為第三圖之4 - 4剖視圖，表自行車展開狀態時之控制 件位置。 第五圖為第四圖的延續，表自行車控制件被拉動時之狀態。 第六圖為本發明折疊中之狀態示意圖。 第七圖為本發明完成初步折疊狀態之示意圖。 _ 第八圖為本發明最終折疊狀態之示意圖。. 【主要元件符號說明】 1 前輪 2 後輪 10車體 11 橫桿 12 結合部 121結合孔 13 第一柩部 14 第一豎管 141快拆裝置 15 把手 16 前叉 17第二豎管 18 椅座 181 座管 182快拆裝置 19 第二樞部 20 提把 30連桿裝置 31 連桿 32 第一擋板 321插孔 322耳部 33 第二擋板 331擋壁 332耳部 40 控制件 41 /梢件 411 C形扣 42 彈簧 43卡掣件 44 壓板 45 帽套 50避震器 60 後下叉 70 踏板軸 11 1274007 71耳部 80後上叉 90停車裝置 91座體 92停車桿1274007 IX. Description of the invention: [Technical field to which the invention pertains] In particular, the invention relates to a bicycle bicycle structure improvement. [Prior Art] #目月] Baizhi's Folding Bicycle, for example, the inventor's previous application: No. 443,247 "Folding Bicycle" patent case (such as an attachment), which can not be uncovered - has a foldable 4 The bicycle, wherein the bicycle bag t ”~1 t body Μ” a rear upper fork 160, the rear upper fork 160 is provided with a first-u-^ 'the first end of the system, provided with a shock absorber (8), and The end system is behind the seat tube 122 of the vehicle body 10, and the second end of the rear upper portion (10) is turned over with the rear wheel 20; a linkage device 180 having a phase with the body 10 The function of the slewing, the _ linkage device (10) is provided with: a first end and a second end, wherein the first end is pivoted to the seat tube, and the first and the rear axles are pivoted to each other; ·19〇, the transmission mechanism 190 has the function of transmitting power, and also has the function of connecting with the connecting rod device 180; by folding the upper connecting rod device to make a bowing 'Asia (four) (four)' the connecting rod device (10) will also drive the transmission mechanism (10) ” rear fork 160 _, fold, at this time continue to fold the linkage device (10), so that the main part of the car, 10 reaches one The folded state minimizes the size of the body for the user to move or carry. However, after actually using the conventional folding bicycle for a period of time, the structure of the bicycle is complicated, and the production cost is 12740007, and the cost of the bicycle is required. Furthermore, the conventional folding bicycle is avoided. The shock absorber 161 is mainly disposed on the rear upper fork 160, so that although it has the effect of achieving shock absorption, it is necessary to have a longer stroke to improve the shock absorption effect, and the refusal of the morning state 161 in addition to absorbing vibration. In addition to the impact, it absorbs a part of the pedaling power of the %, and this lack will affect the performance of the contestants, so it is necessary to improve. SUMMARY OF THE INVENTION The technical problem to be solved by the "structural improvement of the folding bicycle" of the present invention is that the conventional folding bicycle designed by the inventors of the present invention still has the disadvantage of the cost of the vehicle father in the production of Ik and the suspension The design of the device is also not good, so another design for improved development. The present invention provides a structural improvement of a folding bicycle, comprising a vehicle body having a first end and a second end, the second end being provided with a handle and a front wheel, and the vehicle body is provided between the two ends a connecting portion, a first pivot portion and a second pivot portion; a connecting rod device having a first end and a second end, the first end being pivotally connected to the first pivot portion of the vehicle body; The Zhenzhai's one end is pivotally connected to the second pivot of the vehicle body, and the other end is pivotally connected to the connecting rod device; one rear lower fork is one end pivotally connected to the second end of the connecting rod device and the other end The rear wheel is combined; when the connecting rod device swings toward the first end of the vehicle body, the rear lower fork can be linked to bring the rear wheel to the front/end direction of the vehicle body and pivoted to the connecting rod device to combine At the time of the ministry, the tomb is folded. 1274007 [Embodiment] The following is a detailed description of the preferred embodiment and the following detailed description is for illustrative purposes only, and is not limited by the structure. i..., from the first to the third, the folding bicycle of the present invention mainly includes: a vehicle body ίο having a first end and a second end, and a cross between the first end and the first end a joint 11 and a first pivot portion 13 are disposed on the crossbar 11, and the joint portion 12 is provided with a coupling hole 121; the first end of the vehicle body 10 is provided with a first vertical tube 14. The first standpipe 14 has a quick release device 141 at one end, and the quick release device 141 can be coupled by a handle 15, and the other end of the first riser 14 is coupled with a front fork 16, which is further The front wheel 1 is combined; the second end of the body 10 is provided with a second riser 17 , one end of which is adapted to be inserted into the seat tube 181 of the seat 18 . And a quick release device 182 is also provided there, and the second end of the second standpipe 17 is formed as a second pivot portion 19; the second standpipe 17 and the cross bar n are further provided with a The handle 20' is fixed to the second standpipe 17 and the crossbar 11; a link device 30 includes a link 31, a first baffle 32 and a second baffle 33. The connecting rod 31 has a first end and a second end. The third frame is connected to the first pivot portion 13 of the vehicle body 1 and the two baffles 32 and 33 are oppositely pivoted. The second baffle 32, 33 has a first end and a second end, and the first end is pivotally connected to the connecting rod 31, and the second end of the first baffle 32 is provided with a first end The first end of the two baffles 32, 33 extends with an ear portion 322, 332; the control member 40 is attached to the connecting rod 31 The position of the two ends, and the control member 40 includes a tip member 41, a spring 42, a spring member 43, a pressing plate 44 and a cap 45; the tip member 41 is extended through the connecting rod 31 End, which has a first end and a younger one, and 5 A C-shaped buckle 411 is provided for standing, and the second end is sleeved by the elastic cyanine 42, the clamping member 43, and the pressing plate 44, and is screwed to the cap 45, and wherein the spring 42 is at one end of the C. a buckle 411 and the other end abuts the latching member 43; a shock absorber 50 has a first end and a second end, the first end is pivotally connected to the second pivot portion 19, and the second end And then connected to the two ears 322, 332 of the two baffles 32, 33; a rear lower fork 60 has a first end and a second end, the first end is coupled to the pedal shaft 70, and Does the pedal shaft 7〇 have two ears? ! The second end of the connecting rod 31 is pivoted, and the second end of the rear lower fork is combined with the rear wheel 2 ·, the rear wheel 2 is further combined with a rear upper and another 8 〇, and the rear upper 8 〇 also has a a first end and a young one end, the first end is pivotally connected to the second pivot portion 19, and the second end is coupled to the rear wheel 2; the rear wheel 2 is further provided with a parking device 9〇 on one side thereof, and the rear end The parking device 90 includes a body 91 and a parking rod 92. The parking rod 92 is three-stage switching adjustment relative to the base 91. Referring to the fourth figure, in the unfolded state of the folding bicycle of the present invention, the tip end 41 of the control member 40 has a first end extending through the insertion hole 321 of the first baffle 32, and the latching member 43 is attached. Abutting against the retaining wall 331 of the second baffle 33, the 1274007 pressure plate 44 is pressed against the second baffle 33. Therefore, the link y is restricted by the pinching of the two baffles 32, 33 in this state. Therefore, it is impossible to make any pivoting action. #茶知五图' When the cap 45 is pulled, the first end of the tip piece 连 is released from the insertion hole 321 by gravity, and the cassette is released. / shame the sixth figure, when the cassette is released, the link 31 can be pivoted away from the first end of the body 1 33 2, 33, and will also be linked to avoid the morning 50 , the rear fork 6 〇 and the rear upper fork do not synchronize pivoting. Referring to the seventh figure, when the link 31 is pivoted until the tip member 41 is snapped into the coupling hole 121 of the joint portion 12, the bicycle completes the preliminary folding state, and at the same time, as shown in the sixth figure, the self-expanding state of the present invention When the frame is placed in the initial folded state, the parking rod 92 can also be adjusted at the same time, so that the bicycle in the initial folded state can also be stably parked; · It should be additionally noted that the bicycle is in the unfolded state. When it is down, the parking rod 92 can also be switched to be slightly parallel with the lower back, but this is necessary for riding, so it is not revealed in the drawings; & Again, what needs to be explained here is Because the front wheel 1 and the rear wheel 2 in the initial folded state of the present invention are all on the same straight line, the user can still move the bicycle in a manner of pulling to improve the laborious situation during transportation. Referring to the eighth figure, when the handle 15 is folded down and the seat 18 is moved down, it is the final folded state of the invention. In this state, the volume is the smallest, and the third is more convenient; on the paper, it should be explained here that The invention is invented on the vehicle body 10 by the provision of the cymbal 20, so that the bicycle can also be transported by lifting. According to the above, Yiba can sum up the advantages of the present invention. 1274007, "Structural improvement of the folding bicycle", which can be linked by pivoting the first-end direction of the dry moon body. The device, the lower rear and the rear upper and lower swing pivots, and thus the rear wheel is folded toward the first end position k of the vehicle body to shrink and fold the customized bicycle, which is further convenient for the rider to fold and carry. 2. The structure improvement of the folding bicycle of the present invention is that the shock absorber is disposed between the second end of the vehicle body and the connecting rod, so the material f is too long, and the I f is not long in the shock absorber. The effect, so the strength of the knight when pedaling hard is not absorbed by the shock like a bicycle, so the folding bicycle of the present invention is more suitable for competition. 3· j Invented the "Structural Improvement of Folding Bicycle", after folding, the money and the rear wheel are still kept in the same line, and the body is also preserved. It is convenient to move 'of course, because the present invention is also provided with a handle, and also has the effect of being able to extract, so the present invention is a very progressive design. 〃 4. According to the invention, the structure improvement of the folding bicycle, the parking rod can be adjusted according to the different positions of the vehicle unfolding or folding, so that the bicycle can be kept in different states; The function. 5 T flat and flat teeth are only the preferred embodiment of the present invention, and when it is not possible to limit the number of the rails, the rail value Π the component = or according to the scope of the patent application of the present invention The uniformity == decoration, ^ should still be covered by the patent of the present invention. , 1274007 [Simple description of the drawings] The first figure is a three-dimensional appearance of the present invention. The second figure is an exploded view of the structure of the present invention. The third figure is a side view of the invention. The fourth picture is a sectional view of 4 - 4 of the third figure, showing the position of the control piece when the bicycle is in the unfolded state. The fifth figure is a continuation of the fourth figure, showing the state when the bicycle control member is pulled. The sixth figure is a schematic view of the state in the folding of the present invention. The seventh figure is a schematic view of the preliminary folding state of the present invention. _ The eighth figure is a schematic view of the final folded state of the present invention. [Main component symbol description] 1 Front wheel 2 Rear wheel 10 Body 11 Crossbar 12 Joint portion 121 Joint hole 13 First turn 14 First standpipe 141 Quick release device 15 Handle 16 Front fork 17 Second standpipe 18 Chair Seat 181 seat tube 182 quick release device 19 second pivot portion 20 handle 30 link device 31 link 32 first baffle 321 jack 322 ear 33 second baffle 331 block wall 332 ear 40 control member 41 / Tip 411 C-shaped buckle 42 Spring 43 clamping member 44 Pressure plate 45 Cap sleeve 50 Shock absorber 60 Rear lower fork 70 Pedal shaft 11 1274007 71 Ear 80 Rear fork 90 Parking device 91 Seat 92 Parking rod
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