TW201127686A

TW201127686A - Bicycle frame structure capable of assembly and diassembly

Info

Publication number: TW201127686A
Application number: TW099103503A
Authority: TW
Inventors: Chun-Ti Chang; Yung-Tai Chang; Wen-Tai Zhang
Original assignee: Chun-Ti Chang; Yung-Tai Chang; Wen-Tai Zhang
Priority date: 2010-02-05
Filing date: 2010-02-05
Publication date: 2011-08-16

Abstract

The bicycle frame structure capable of assembly and disassembly of this invention comprises a central frame, a front frame, and a rear frame. The central frame is equipped with a seat tube and a connection tube, respectively, and a central screw fitting screwed to between the seat tube and the connection tube. The front frame contains a front tube, and a double-headed screw or a threaded tube assembly is used for screw connections to between the front tube and the connection tube and to between the front tube and the seat tube, respectively, to interconnect the front frame to settle on the central frame. The rear frame contains a hook seat, and a double-headed screw or a threaded tube assembly is used for screw connections to between the hook seat and the connection tube and to between the hook seat and the seat tube, respectively, to interconnect the rear frame to settle on the central frame. Accordingly, it achieves purposes of easy-to-carry, easy assembly and disassembly, and structural stability.

Description

201127686 六、發明說明：【發明所屬之技術領域】本發明係關於-種自行車組件，尤其係一種可方便拆裝與攜帶之可組拆之自行車車架結構。【先前技術】 -般的自行車車架多是利用金屬管件以焊接方式結合，以形成結構穩固的-體式自行車車架，而隨著近年來社會掀起了一股自行車環島風潮後，有越來越多人開始從事自行車運動’並且為了方偉p_ 々便隨處騎乘，目前發展出一種可方便攜帶的摺疊式自行車，直八疋矛j用在車条上設置樞接結構’而使車架可藉由折疊的外且的方式方便收納，不論搭乘汽車、火車或捷運都可以方便攜帶。然而’現有的折疊式自行車之車架於指疊後，減少的乂體積相田限’仍無法有效地大幅縮減所佔的空間並且將收折用之樞接結構設置於 # — a 、單系上很谷易導致車架結構強度不足的危險’尚有待改進之處。【發明内容】有鑒於現有之摺疊式自行車曰仃早單系未此大幅縮減收折後積，並且以枢接結構設置完Iτ σ X罝谷易有強度不足的疑慮，因此’本發明人係提供一種車車架^ . ㈣螺接手段組裝之可組拆之自行旱皁％結構，以達到方蚀目的，為達m I、方便攜帶以及結構穩固之 ’L目的’本發明之技術手段如下述。本發明係關於一種可細叔夕！^ ± * 但J組拆之自仃車車架結構，有一中央支架、一前支稱八包3 ⑴夂罙與一後支架，其中： 201127686 中央支架係—體之架體’並於上下兩端分別包含有一連接管與-座管，“ ’連接管於前側凸出形成一下前插管；座管於前側凸出形成一上前插管；前支架係螺合設置於中央支架的前側，並包含有一前管、-雙頭螺桿與一螺接管組件，其中，於前管後側分別朝連接f與座管方向凸設—上分接管與—下分接管；雙頭螺桿係可選擇地螺接於τ前插管與τ分接f以及上前插管201127686 VI. Description of the Invention: [Technical Field] The present invention relates to a bicycle assembly, and more particularly to a bicycle frame structure that can be easily disassembled and carried. [Prior Art] Most of the bicycle frames are made of metal pipe fittings by welding to form a structurally stable-body bicycle frame, and as the society has set off a bicycle around the island in recent years, there is more and more Many people started to engage in cycling and 'fed for Fang Wei p_ 々 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , It is easy to carry by folding and external, and it can be easily carried by car, train or MRT. However, 'the existing folding bicycle frame after the folding, the reduced volume and the same field limit' can not effectively reduce the occupied space and set the pivoting structure for the folding on ## a, single line There is a danger that the strength of the frame structure will be insufficient, and there is still room for improvement. SUMMARY OF THE INVENTION In view of the fact that the existing folding bicycles are not reduced in size, and the Iτ σ X 罝易易易易易易 , , , , , , , , I I I I I I Providing a vehicle frame ^. (4) The structure of the self-drying soap which can be assembled by the screwing means to achieve the purpose of the square erosion, the technical means of the invention is as follows: Said. The present invention relates to a fine uncle! ^ ± * However, the J-series self-demolition frame structure has a central bracket, a front bracket called the eight-pack 3 (1) 夂罙 and a rear bracket, of which: 201127686 The central bracket is the body of the body. The ends respectively comprise a connecting tube and a seat tube, "the connecting tube protrudes on the front side to form a front cannula; the seat tube protrudes on the front side to form an upper front cannula; the front bracket is screwed on the front side of the central bracket, The utility model comprises a front pipe, a double-headed screw and a screw pipe assembly, wherein the rear side of the front pipe protrudes toward the connection f and the seat pipe respectively, the upper tapping pipe and the lower tapping pipe; the double-head screw system is optionally Screwed to the τ front cannula and τ tap f and the upper front cannula

=上分接管之其中—處；螺接管組件則可選擇地螺接於下前插管與下分接管以及上前插管與上分接管之未設有雙頭螺桿之另一處；以及後支架係一體固設於中央支架之後侧。所述之可組拆之自行車車架結構，其中，所述之雙頭螺桿兩端分別螺接之其中一管體之内螺紋行程係大於另一管體之内螺紋行程。所述之可組拆之自行車車架結構，其中，所述之雙頭螺桿兩端分別螺設有一迫緊套管，迫緊套管分別套設於雙頭螺桿與所對應之管體上。所述之可組拆之自行車車架結構，其中，所述之螺接官組件係包含有一第一組裝管與一第二組裝桿，第一組裝管内部係貫設有一活動通孔，並於一自由端形成有内螺紋；第二組裝桿係穿入第一組裝桿内，並螺設於該自由端上’並且外徑小於活動通孔内徑。所述之可組拆之自行車車架結構，其中，所述之螺接管組件進一步包含有一第一螺帽與兩第二螺帽，其中，該第一螺帽係螺設於第一組裝管之一固定端上，龙套蓋於所 201127686 對應之管體上；該兩第二螺帽則分別螺設於第二組裝桿之兩端’並分別套蓋於第-組裝管之自由端與所對應之^體本發明係關於一種可組拆之自行車車架結構，其包含有一中央支架、一前支架與一後支架，其中：中央支架係一體之架體，並於上下兩端分別包含有- 連接管與-座管，#中，連接管於後側凸出形成一下後插管；座管於後側凸出形成一上後插管；= where the upper tapping pipe is; the screwing pipe assembly is optionally screwed to the lower front and lower tapping pipes and the other of the upper front and upper tapping pipes without the double-headed screw; The bracket is integrally fixed to the rear side of the center bracket. The detachable bicycle frame structure, wherein the inner thread stroke of one of the two ends of the double-ended screw is larger than the inner thread stroke of the other tube. The detachable bicycle frame structure, wherein the two ends of the double-headed screw are respectively screwed with a pressing sleeve, and the pressing sleeve is respectively sleeved on the double-headed screw and the corresponding pipe body. The detachable bicycle frame structure, wherein the screw assembly comprises a first assembly tube and a second assembly rod, and the first assembly tube is internally provided with a movable through hole, and A free end is formed with an internal thread; the second assembled rod penetrates into the first assembly rod and is screwed on the free end' and has an outer diameter smaller than the inner diameter of the movable through hole. The detachable bicycle frame structure, wherein the screw assembly further includes a first nut and two second nuts, wherein the first nut is screwed to the first assembly tube On a fixed end, the dragon cover is placed on the corresponding body of the 201127686; the two second nuts are respectively screwed on the two ends of the second assembly rod and respectively respectively capped on the free end of the first assembly tube and corresponding thereto The invention relates to a detachable bicycle frame structure, which comprises a central bracket, a front bracket and a rear bracket, wherein: the central bracket is an integrated frame body and includes at the upper and lower ends respectively - The connecting tube and the seat tube, #, the connecting tube protrudes on the rear side to form a rear cannula; the seat tube protrudes on the rear side to form an upper rear cannula;

前支架係一體固設於中央支架之前側；後支架係螺合設置於中央支架的後側，並包含有一勾爪座、-雙頭螺桿與一螺接管組件，纟中，勾爪座於前側分別朝連接管與座管方向凸設一上組裝管與一下組裝管；雙頭螺桿係可選擇地螺接於下後插與下組裝管以及上後插 S /、上組裝官之其中一處；螺接管組件則可選擇地螺接於下後插與T組裝f以及i後插管與上組裝管之未設有雙頭螺桿之另一處。所述之可組拆之自行車車架結構，其中，所述之雙頭扣兩端刀別螺接之其中一管體之内螺紋行程係大於另一管體之内螺紋行程。所述之可組拆之自行車車架結構，其中，所述之雙頭累扣兩端分別螺設有一迫緊套管，迫緊套管分別杳設於雙頭螺桿與所對應之管體上。总所述之可組拆之自行車車架結構，其中，所述之螺接二組件係包含有一第一組裝管與一第二組裝桿，第一組裝 &内部係貫設有-活動通孔，並於-自由端形成有内螺 201127686 紋；第二组裝桿係穿人哲 ,^ 干于芽入第一組裝桿内，並螺設於該自由端上’並且外徑小於活動通孔内徑。所述之可組拆之自行車車架結構，其中，所述之螺接 &、’且件進步包含有—第一螺帽與兩第二螺帽，其中，該第一螺帽係、螺設於第—組裝管之-固线上，並套蓋於所對叙管體上；該兩第二螺帽則分別螺設於第二組裝桿之兩端並刀別套蓋於第—組裝管之自由端與所對應之管體上0 本發明係關於-種可組拆之自行車車架結構，其包含有中央支杀、-刖支架與-後支架，其中：中央支架係於包含有上下兩端分別才目向對應地設有一連接管、-座管與一中央螺接件，其中，連接管於前侧凸出形成-下前插管’於中間朝上凸出形成一下插管，於後 :凸出形成一下後插管；座管於前側凸出形成一上前插於中間朝下凸出形成—上插管，於後側凸出形成一上後插S ’中央螺接件係螺合連接連接管之下插管與座管之上插管； A引支架係螺合設置於中央支架的前侧’並包含有一前 :冑頭螺桿與一螺接管組件’其中’於前管後側分別、θ接管與座管方向凸設-上分接管與-下分接管；雙頭 ^干係可選擇地螺接於下前插管與下分接管以及上其與上分接管之其中一 Β 1 處，螺接管組件則可選擇地螺接於飞刖插管與下分垃总 Γ 接皆以及上前插管與上分接管之未設有雙踢知之另一處；以及後支架係螺合設置於中央支架的後側，並包含有—g 201127686 爪座、一雙碩螺桿與—螺 x A 楼官組件，其中，勾爪座於前側分別朝連接管與座管方向凸μ , , ^ ^ 门凸，又一上組裝管與一下組裝管；雙頭螺桿係可選擇地蟫桩认~ , 〃逻擇也螺接於下後插與下組裝管以及上後插官與上組裝管之其中—慮.g 處’螺接g組件則可選擇地螺接於下後插與下組裝管以及上接择、螺桿之另一處。芰頌所述之可組拆之自行車車早早朱、、、吉構，其中，所述之中央螺接件係一雙頭螺桿。、所述之可組拆之自行車車平早未、，、吉構，其中，所述之中央螺接件係一螺接管組件。、所述之可組拆之自行車 J平早朱結構，其中，所述之各雙頭螺桿兩端分別螺接之盆φ 按炙具中一管體之内螺紋行程係大於另 —管體之内螺紋行程。所述之可組拆之自行車車架結構，其中，所述之各雙頭螺桿兩端分別螺％右__& _ _ ’、°有、緊套管，迫緊套管分別套設於雙頭螺桿與所對應之管體上。 μ斤v之可，’且拆之自行車車架結構，其中，所述之螺接 S乡且件係包令·右_ AAr A 04- 匕各有第一組裝管與一第二組裝桿，第一組裝管内部係貫設有_、壬私.s π '舌動通孔，並於一自由端形成有内螺、，第一組裝桿係穿入第一組裝桿内，並螺設於該自由端並且外徑小於活動通孔内徑。氣所述之可組拆之自行車車架結構，其中，所述之螺接 :i件進#包含有一第一螺帽與兩第二螺帽，其中，該第一螺帽係螺設於笙 .^ 又於第一組裝官之一固定端上，旅套蓋於所對應之管體Η .好 π & „ ’〜兩第二螺帽則分別螺設於第二組裝桿之 201127686 體兩端’並分別套蓋於第一組裝管之自由端與所對應之管藉由上述之技術手段，本發明之可組拆之自結構僅以單支雙頭螺桿即可螺接中央車架、前車架鱼架’因此，可因應實際的需求分別將前車架、中央車二後車架進行拆解，並拆散成桿體與㈣，以達到方便帶3 方便拆卸以及結構穩固之目的。 μ 、【實施方式】本發明之可組拆之自行車車架結構之第一例，續I昭楚平乂住貫施卜參照第一、二、四、五與九圖，其包含有—中央支架（1〇)、一前支架（20)與一後支架（30)，其中：、中央支架（10)係包含有下上兩端分別相向對應地設有 -，接管（11)與—座管（12)，以及連接設置於連接管⑴ 座管（12)之間的一中央螺合件，其中，連接管⑴）係呈^ 叉之管體’並包含有一下前插管⑴〇)、一下插管⑴”：一了後插管（112)，其中，下前插管⑴Q)係凸出形成於連接管⑴）前側，並具有内螺紋；下插管（111)係朝上凸出形成於連接管⑴）中間’並具有内螺蚊；下後插管⑴2)係凸出形成於連接管（11)後側’並具有内螺紋；座管（12)係呈三叉之管體’並包含有一上前插管 (120)、一上插管（121)與一上後插管（122)，其中上前插管（120)係凸出形成於座管（12)前側，並具有内螺紋；上插官（121)係朝下凸出形成於座管（12)中間，並具以及對應於連接管⑴）之下插管（川）；上後插管（122)係凸出形成於座管（12)後侧，並具有内螺紋； 201127686 中央螺合件係連接間，並可為—雙㈣桿⑽如第接_(1=座管⑽之件㈣如第四圖所示)，其中,圖所不)或-螺接管組田中央螺合件為雙頭螺桿（13)時，雙頭螺桿⑽係連接設置於連接管° ^一圖，該於卜下+ _、疋按s (11)與座管（12)之間，並之下插〜㈣成有外螺紋段’並分別螺合於連接管⑴）下插心11 )與座管(12)之上插管(121)上，較佳的是，另-管（121)上之其令一内螺紋行程係大於 …、仃程，藉此，以利於雙頭螺桿入内螺紋行程較長之管體中，而另端則可退出内二：較紐之管體’以達成可順利組裝與拆卸之目的；二步，於雙頭螺桿⑴)兩端之外螺紋段上分別設有 =套官⑽），各迫緊套管⑽）之—端内面係形成有一可移動地螺設於雙頭螺桿(13)之螺紋段上，另端内面則分別形成擴孔，以备甚盍；對應之下插管（111)或上插管 W，以達到強化雙頭螺桿（13)螺合於下插管⑴1}與上插仲21)之結構穩固性，較佳的是，如第二圖所示，各造緊套管陶於管壁上沿軸向剖設有—彈性裂口(13”，於彈性裂口（131)兩側則延伸出—對平行相對應之迫緊耳片 (132)’於該—對迫緊耳片（132)之兩端分別穿設有-快拆拉把（133)，制快拆拉把（133)拉㈣放或扳扣迫緊，可達到鬆脫快拆或緊迫固定之效果；當令央螺合件為螺接管組件(14)時，請參照第四圖，該螺接管組件（14)係連接設置於連接管⑴）與座管（12)之間’並包含有-第一組裝管（14〇)、一第二組裝桿㈠川、 201127686 —第一螺帽（142)與兩第二螺帽（143)，其中，第一組裝管 (140)係呈中空之管體，並於兩端分別形成一固定端（14〇A) 與一自由端（140B)，並於内部形成一活動通孔（14〇c)，該固定端（140A)係形成有外螺紋，並螺合設置於連接管〇之下插管（111)内，該自由端（14〇B)則形成有内螺紋；活動通孔（140C)係由固定端（140A)之外端延伸至自由端（140B) 之内端貫設於第一組裝管（14〇)内，且内徑略大於自由端 (140B)之内徑； # 第二組裝桿（141)係呈圓柱狀桿體，以可穿入移動方式設置於第一組裝管（140)上，並於兩端分別形成具有外螺紋之一穿入端（141A)與一結合端（141B)，以及於中間段形成無螺紋且外徑略小於穿入端（彳41A)與結合端（141 B)外徑之結構’而穿入端（141A)係螺合設置於第一組裝管（14〇)之自由端（140B)内’結合端（141B)係螺合設置於座管（12)的上插管（121)内；第螺巾自（1 4 2)於一端内面形成有内螺紋，並以可螺旋 φ 移動方式螺合設置於第一組裝管（140)之固定端（140A)上，第一螺帽（142)於另端之内面則形成擴孔，以套蓋於連接管 (11)之下插管（111)上；該兩第二螺帽（143)分別於一端内面形成有内螺紋，並分別以可螺旋移動方式螺合設置於第二組裝桿（1 41)之穿入端（141A)與結合端（141B)上’該兩第二螺帽（143)分別於另端内面形成擴孔，並分別套蓋第一組裝管（14〇)之自由端 (140B)與座管（12)之上插管（12彳）上，用以穩固地套合第— 組裝管（140)與連接管（11)以及第二組裝桿（141)與座管 201127686 (12) ’達到強化螺合結構穩固性之目的；义别支架（20)係設置於中央支架（1〇)的前侧，並包含有 -前管與兩前螺合件’其中，前管（21)係連接於自行車之丑管，以提供自行車手把設置，於前管（21)後側則分別=連，管⑴）與座管（12)方向凸上分接管（210)與一下分接管（211)，並且上分接管（21〇)與下分接管（21彳）分別形成有内螺紋；該兩刖螺合件分別連接螺設於座管（12)與前管（21)之間’以及連接管(11)與前管(21)之間，並且分別可為兩雙頭螺桿（13A)之組合、兩螺接管組件（14A)之組合或一雙頭螺桿（13A)搭配一螺接管組件（14A)之組合（如第一與二圖所示）’其設置方式如下述：當該兩前螺合件為一雙頭螺桿（1 3A)搭配一螺接管組件 (WA)之組合時，雙頭螺桿（13A)與螺接管組件（14A)之結構與中央支架（10)之雙頭螺桿（13)與螺接管組件（14)大致相同，唯雙頭螺桿（13A)與螺接管組件（14A)之長度係配合自仃車車體之需求而有所不同，其中，雙頭螺桿（1 3A)係螺合連接於連接官（11)之下前插管（11〇)與前管（21)之下分接管 (211)於雙頭螺桿（1 3 A)兩端之螺紋段上則分別螺設有一迫緊套管（130A)，各迫緊套管（13〇A)分別迫緊地套設於對應之下前插管（110)與下分接管（211)上，較佳的是，下前插管（1 1 Q)與下分接管（21 ”之其中一内螺紋行程係大於另一内螺紋行程，藉此，以利於雙頭螺桿（13Α)之一端可旋入内螺紋長度較長之管體中，而另端則可退出内螺紋較短之管體，以達成可順利組裝與拆卸之目的；螺接管組件（14Α) 11 201127686 係螺合連接座管（12)之上前插管⑽)與前管（21)之管（210); 後支架（30)係包含有—勾爪座（31)與兩後螺合件，其中，勾爪座（31)係設置於自行車之後輪轴上，並於勾爪座⑶) 前侧分別朝連接管⑴)與座管(12)方向凸設一上组裝管 (31〇)與-下組裝管(311)，並且上組裝管(31〇)與下組裝管 (311)分別形成有内螺紋；該兩後螺合件分別連接螺設於座管（12)與勾爪座（之間，以及連接管⑴）與勾爪座（31)之間，並且分別可為兩雙頭螺桿（13B)之組合、兩螺接管組件（14B)之組合或或一雙《桿（13B)搭配-螺接管組件（14B)之組合（如第一與二圖所示），其設置分別方式如下述：、當該兩後螺合件為-雙頭螺桿（13B)搭配—螺接管组件 (㈣)之組合時’雙頭螺桿（13日）與螺接管組件（14B)之結構與中央支架（1〇)之雙頭螺桿（13)與螺接管組件（14)大致相 ==雙頭螺桿⑽）與螺接管組件（14B)之長度係配合自行車車體之需求而有所，連接』其中，雙頭螺桿（13B)係螺合 =()之下後㈣⑴2)與勾爪座㈣之下組裝管於雙頭螺桿（13B)兩端之螺紋段上則分別螺設有-:緊套官叫各追緊套管⑽B)分別追緊地套應：下後插管⑴2)與下組裝管(3”)上，較佳的是，下後内官ΓΓ)與下組裝管（311)之其中—内螺紋行程係大於另一内螺紋行程，藉此，以利於雙内螺紋長度較長之管體中，而：之-端可旋八管體，以、幸^ 端則可退出内螺紋較短之達成可順利組裝與拆卸之目的，·螺接管組件(14B) 12 201127686 係螺口連接座管〇2)之上後插管（122)與勾爪座⑺）之上组裝管（310)。 ' 本發明之可組拆之自行車車架結構，於拆卸時，請參 - …、第 —、四與六圖’先將前支架（20)的雙頭螺桿（13A) ^兩迫緊套官（130A)的快拆拉把（133)分別拉起釋放迫緊套 g (130A)，並螺旋迫緊套管〇3〇A)使其朝向雙頭螺桿（i3A) =中間段方向移動’再旋轉雙頭螺桿（13A)使其朝向下前插管（_方向螺人’以使雙頭螺桿（13A)之另端退出下分接 φ 管（211); 清再參照第六圖，同時將前支架（2〇)的螺接管組件〇4a) 上兩第二螺帽（彳43)分別螺旋朝向第二組裝桿（141)的中間段移動，由於第二組裝桿（141)的中間段外徑略小於穿入端 (141A)與結合端（141B)之外徑，因此，第二螺帽螺出螺紋段後可自由移動地套設於第二組裝桿（141)的中間段上，接著再旋轉螺接管組件（14A)之第二組裝桿（141)，使其朝向第一組裝管（140)内部移動，當第二組裝桿（141)移 •動至穿入端（141A)進入第一組裝管（140)的活動通孔（14〇c) t時，第二組裴桿（141)的結合端（141B)亦同時螺旋退出前管（21)的上分接管（210)，即可順利地拆卸前管（21); 接著，再將雙頭螺桿（13A)旋轉退出下前插管（11〇)，以及將第一組裝管（140)的固定端（14〇A)旋轉退出座管（12) 的上刖插管（1 2 0)’則可完成前支架（2 〇)的拆知；後支架（30)的拆卸方式大致與前支架（2〇)相同，先將雙頭螺扣（13B)上迫緊套管（130B)之快拆拉把（133B)拉起釋放，以使雙頭螺桿（13B)可朝向下後插管（112)方向螺入， 13 201127686 令雙頭螺桿（13B)之另端退出勾爪座（31)的下組裝管 (311)’同時將螺接管組件（ι4Β)的兩第二螺帽釋放，以使第二組裝桿（141)螺旋進人第一組裝管（14G)内並令結合端（141B)退出勾爪座（31)的上組裝管（31〇)，再旋轉第一組裝管（彳4〇)，使其退出座管（彳2)的上後插管（122)，即可順利地將後車架（30)拆卸完成；最後中央支架（10)的拆卸方式大致與前支架（20)以及後支架（3〇)相同’當中央螺合件為雙頭螺桿（13)時，則The front bracket is integrally fixed to the front side of the center bracket; the rear bracket is screwed on the rear side of the center bracket, and includes a hook seat, a double-headed screw and a screw joint assembly, and the hook base is on the front side An upper assembly tube and a lower assembly tube are respectively protruded toward the connecting tube and the seat tube; the double-headed screw system is selectively screwed to the lower rear insertion and the lower assembly tube, and one of the upper rear insertion S/, the upper assembly officer The screw adapter assembly is optionally screwed to the lower rear insert and the T assembly f and i the other end of the cannula and the upper assembly tube without the double-ended screw. The detachable bicycle frame structure, wherein the internal thread stroke of one of the two ends of the double-ended buckle is larger than the internal thread stroke of the other tubular body. The detachable bicycle frame structure, wherein the two ends of the double-headed buckle are respectively provided with a pressing sleeve, and the pressing sleeve is respectively disposed on the double-headed screw and the corresponding pipe body . The detachable bicycle frame structure, wherein the screw assembly comprises a first assembly tube and a second assembly rod, and the first assembly & internal connection is provided with a movable through hole And the inner end is formed with a snail 201127686 pattern; the second assembly rod is worn by the philosopher, ^ is dried into the first assembly rod, and is screwed on the free end' and the outer diameter is smaller than the movable through hole the inside diameter of. The detachable bicycle frame structure, wherein the screwing &, and the advancement includes a first nut and two second nuts, wherein the first nut and the snail It is disposed on the solid line of the first assembly tube and is sleeved on the opposite tube body; the two second nuts are respectively screwed on the two ends of the second assembly rod and the sleeve is sleeved on the first assembly The free end of the tube and the corresponding tube body. The invention relates to a detachable bicycle frame structure, which comprises a central branching, a 刖 bracket and a rear bracket, wherein: the central bracket is included The upper and lower ends are respectively provided with a connecting tube, a seat tube and a central screw member, wherein the connecting tube protrudes from the front side and the lower front tube protrudes upward in the middle to form a cannula. , after: protruding to form a rear cannula; the seat tube protrudes from the front side to form an upper front and is inserted into the middle to protrude downward to form an upper cannula, and protrudes on the rear side to form an upper rear insert S 'central screw joint The screw is connected to the cannula under the connecting tube and the cannula above the seat tube; the A-lead bracket is screwed on the front side of the central bracket' And including a front: a screw head and a screw pipe assembly 'where' on the rear side of the front pipe respectively, the θ pipe and the seat pipe direction convex-upper taper pipe and the lower taper pipe; the double-headed stem system can be selectively screwed At the lower and lower tapers and one of the upper and upper taps, the screw assembly is selectively screwed to the fly lance and the lower hopper and the upper anterior cannula The other side of the upper tap is not provided with a double kick; and the rear bracket is screwed to the rear side of the center bracket and includes a -g 201127686 claw seat, a double shaft screw and a screw x A building component Wherein, the claw seat is convexly convex toward the connecting tube and the seat tube on the front side, respectively, ^ ^ the door is convex, and the upper assembled tube and the lower assembled tube; the double-headed screw system can selectively pick up the pile, and the 逻Also screwed into the lower rear insert and the lower assembly tube and the upper rear insert and the upper assembly tube - the .g position 'screw g assembly is optionally screwed to the lower rear insert and the lower assembly tube and the upper selection , another place in the screw.可 The detachable bicycle cart described above is an early Zhu, Yi, Jiji structure, wherein the central screw joint is a double-head screw. The detachable bicycle bicycle is not yet assembled, and the central screw joint is a screw joint assembly. The bicycle J can be assembled and assembled, wherein the two ends of the double-headed screw are respectively screwed to the bowl φ according to the inner thread of the tube in the cooker. Internal thread stroke. The detachable bicycle frame structure, wherein each of the two ends of the double-headed screw is respectively screwed to the right __& _ _ ', °, tight sleeve, and the tight sleeve is respectively set on the double The head screw and the corresponding tube body.斤 v 之 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The first assembly tube is internally provided with a _, a private s π 'tongue through hole, and a snail is formed at a free end, and the first assembly rod penetrates into the first assembly rod and is screwed to The free end and outer diameter are smaller than the inner diameter of the movable through hole. The detachable bicycle frame structure, wherein the screwing member: the first member has a first nut and two second nuts, wherein the first nut is screwed to the cymbal .^ Also on one of the fixed ends of the first assembly officer, the brigade cover is placed on the corresponding tube body. Good π & „ 'Two second nuts are screwed to the second assembly rod of 201127686 The end of the first assembly tube and the corresponding tube are respectively covered by the above technical means, the detachable self-structure of the invention can be screwed to the central frame by a single double-ended screw, The front frame fish frame 'Therefore, the front frame and the central car two rear frame can be disassembled and disassembled into the rod body and (4) according to the actual demand, so as to facilitate the convenient removal of the belt 3 and the structural stability. μ, [Embodiment] The first example of the structure of the detachable bicycle frame of the present invention, continued from the first, second, fourth, fifth and ninth drawings, including the central Bracket (1〇), a front bracket (20) and a rear bracket (30), wherein: , the central bracket (10) The upper and lower ends are respectively provided with - a connecting tube (11) and a seat tube (12), and a central screwing member connected between the connecting tube (1) and the seat tube (12), wherein the connecting The tube (1)) is a tube body of the fork and includes a front cannula (1) 〇), a lower cannula (1)": a posterior cannula (112), wherein the lower anterior cannula (1) Q) is convexly formed The connecting tube (1)) has a front side and has an internal thread; the lower cannula (111) is formed to protrude upwardly in the middle of the connecting tube (1)) and has an internal mosquito; the lower rear cannula (1) 2) is convexly formed on the connecting tube ( 11) the rear side 'and has an internal thread; the seat tube (12) is a three-pronged tube body' and includes an upper front cannula (120), an upper cannula (121) and an upper rear cannula (122), The upper front cannula (120) is formed on the front side of the seat tube (12) and has an internal thread; the upper insert (121) is formed downwardly and formed in the middle of the seat tube (12), and corresponds to The connecting tube (1)) is under the cannula (chuan); the upper rear cannula (122) is convexly formed on the rear side of the seat tube (12) and has an internal thread; 201127686 Central screw-in connection It can be - double (four) rod (10) such as the first connection _ (1 = seat tube (10) piece (four) as shown in the fourth figure), wherein the figure does not) or - screw tube group field center screw is a double-head screw ( 13), the double-headed screw (10) is connected to the connecting pipe ° ^ a picture, the lower + _, 疋 between s (11) and the seat tube (12), and inserted below ~ (four) into the outside The thread segments ' are respectively screwed into the connecting tube (1)) under the insert 11) and the seat tube (12) above the cannula (121), preferably, the other tube (121) is an internal thread The stroke system is greater than..., the stroke, so as to facilitate the double-headed screw into the pipe body with a longer internal thread stroke, and the other end can be withdrawn from the inner two: the tube of the newer one for the purpose of smooth assembly and disassembly. In the second step, the sleeve portion (10) is respectively provided on the threaded sections of the double-ended screw (1), and the inner surface of each of the tensioning sleeves (10) is movably screwed to the double-headed screw ( 13) On the threaded section, the inner surface of the other end is respectively formed with a reaming hole for preparation; correspondingly, the cannula (111) or the upper cannula W is used to achieve the reinforced double-headed screw (13) screwed to the lower cannula (1)1} and the top 21) Structural stability, preferably, as shown in the second figure, each of the tightening sleeves is axially disposed on the wall of the tube - an elastic slit (13" extending from both sides of the elastic slit (131) - the parallel corresponding tabs (132) are respectively provided on the two ends of the pressing tabs (132) - quick release handles (133), and the quick release handles (133) are pulled (4) If the release or the buckle is tight, the effect of releasing the quick release or pressing and fixing can be achieved; when the central screw assembly is the screw connection assembly (14), please refer to the fourth figure, the screw connection assembly (14) is connected and set. Between the connecting pipe (1)) and the seat pipe (12) 'and includes - a first assembled pipe (14 〇), a second assembled rod (I) Chuan, 201127686 - a first nut (142) and two second nuts (143), wherein the first assembly tube (140) is a hollow tube body, and forms a fixed end (14〇A) and a free end (140B) at both ends, and forms a movable through hole therein. (14〇c), the fixed end (140A) is formed with an external thread and is screwed into the cannula (111) under the connecting tube, and the free end (14〇B) is formed with an internal thread; through The hole (140C) extends from the outer end of the fixed end (140A) to the inner end of the free end (140B) and is disposed in the first assembled tube (14〇), and has an inner diameter slightly larger than the inner diameter of the free end (140B). The second assembly rod (141) is a cylindrical rod body that is movably disposed on the first assembly tube (140) and has a threaded end (141A) at both ends. And a joint end (141B), and the intermediate section is formed with a threadless and outer diameter slightly smaller than the structure of the piercing end (彳41A) and the outer end of the joint end (141 B) and the piercing end (141A) is screwed The 'binding end (141B) is screwed into the upper cannula (121) of the seat tube (12) in the free end (140B) of the first assembled tube (14B); the first spiral from (1 4 2) An internal thread is formed on the inner surface of one end, and is screwed to the fixed end (140A) of the first assembly tube (140) in a spiral φ movement manner, and the first nut (142) is reamed on the inner surface of the other end. Covering the cannula (111) under the connecting tube (11); the two second nuts (143) are respectively formed with internal threads on the inner surface of one end, and are respectively spirally movable The second end of the second assembly rod (141) and the second end of the second end of the second assembly rod (141) are respectively formed with reaming holes on the inner surface of the other end, respectively The free end (140B) of the assembled tube (14〇) and the cannula (12彳) above the seat tube (12) are used to firmly fit the first assembly tube (140) and the connection tube (11) and the second The assembly rod (141) and the seat tube 201127686 (12) 'to achieve the purpose of strengthening the stability of the screw structure; the bracket (20) is disposed on the front side of the center bracket (1〇) and includes a - front tube and two Front screwing member', wherein the front tube (21) is connected to the bicycle's ugly tube to provide the bicycle handlebars, and the rear side of the front tube (21) is respectively connected to the tube (1) and the seat tube (12). a tapping pipe (210) and a lower tapping pipe (211), and an upper tapping pipe (21〇) and a lower tapping pipe (21彳) respectively form an internal thread; the two screwing components are respectively screwed to the seat pipe (12) between the front pipe (21) and the connecting pipe (11) and the front pipe (21), and respectively can be a combination of two double-head screws (13A), two screw pipe assemblies (14A) A combination or a combination of a double-headed screw (13A) and a screw-on tube assembly (14A) (as shown in Figures 1 and 2) is arranged as follows: When the two front screws are a double-headed screw (1) 3A) When combined with a screw-on pipe assembly (WA), the structure of the double-headed screw (13A) and the screw-on pipe assembly (14A) is substantially the same as that of the center-mounted (10) double-head screw (13) and the screw-on pipe assembly (14). In the same way, the length of the double-headed screw (13A) and the screw-on pipe assembly (14A) are different from those of the brake body. Among them, the double-headed screw (1 3A) is screwed to the connection officer (11 Under the front cannula (11〇) and the taper (211) under the front tube (21), a tension sleeve (130A) is screwed on the threaded sections at both ends of the double-headed screw (1 3 A). Each of the pressing sleeves (13〇A) is respectively tightly sleeved on the corresponding front cannula (110) and the lower tapping tube (211), preferably, the lower front cannula (1 1 Q) One of the internal thread strokes of the lower tapping pipe (21" is larger than the other internal thread stroke, thereby facilitating one end of the double-headed screw (13Α) to be screwed into the pipe body having a longer internal thread length On the other end, the tube with a shorter internal thread can be withdrawn for the purpose of smooth assembly and disassembly; the screw assembly (14Α) 11 201127686 is the front insertion tube (10) above the screw connection seat tube (12) and The tube (210) of the front tube (21); the rear bracket (30) includes a hook base (31) and two rear screw members, wherein the claw seat (31) is disposed on the rear axle of the bicycle. And an upper assembly tube (31〇) and a lower assembly tube (311) are protruded toward the connecting tube (1) and the seat tube (12) on the front side of the claw base (3), respectively, and the upper assembly tube (31〇) is assembled. Forming an internal thread with the lower assembly tube (311); the two rear screw members are respectively screwed to the seat tube (12) and the claw base (between the connection tube (1)) and the claw base (31) And respectively, and can be a combination of two double-head screws (13B), a combination of two screw pipe assemblies (14B) or a combination of a pair of "rod (13B) matching-screw pipe assemblies (14B) (such as first and second) The figure is set as follows: When the two rear screw parts are a combination of a double-head screw (13B) and a screw-on pipe assembly ((4)), the double-head screw (13 days) and The structure of the take-up assembly (14B) is matched with the double-headed screw (13) of the center bracket (1) and the screw-on tube assembly (14) substantially == double-headed screw (10)) and the length of the screw-on tube assembly (14B) is matched with the bicycle The body needs to be connected, in which the double-headed screw (13B) is screwed down = () and the rear (four) (1) 2) and the claw seat (four) is assembled under the threaded section of the double-ended screw (13B) Then the snails are respectively set up: the tight sleeves are called the respective tightening sleeves (10) B) respectively, and the lower sleeves are to be placed: the lower rear cannula (1) 2) and the lower assembled tube (3"), preferably, the lower rear inner officer ΓΓ) and the lower assembly tube (311), wherein the internal thread stroke is greater than the other internal thread stroke, thereby facilitating the length of the double internal thread of the tube body, and: the end can be rotated eight tubes, Fortunately, the end can be removed from the shorter internal thread for smooth assembly and disassembly. · Screw connector assembly (14B) 12 201127686 System screw connection seat tube 〇 2) Rear rear tube (122) and hook A tube (310) is assembled over the pawl (7). The structure of the bicycle frame that can be assembled in the present invention, when disassembling, please refer to - ..., the first, the fourth and the sixth figure 'the double-headed screw (13A) of the front bracket (20) (130A) The quick release puller (133) pulls up the release tension sleeve g (130A) and tightens the sleeve 〇3〇A) so that it moves toward the double-headed screw (i3A) = the middle section. Rotate the double-headed screw (13A) so that it faces the lower front cannula (_direction screw mantle) so that the other end of the double-headed screw (13A) exits the lower tapping φ pipe (211); The second bracket nut (彳43) of the front bracket (2〇) is respectively spiraled toward the middle section of the second assembly rod (141), due to the middle section of the second assembly rod (141) The diameter is slightly smaller than the outer diameter of the insertion end (141A) and the joint end (141B). Therefore, the second nut is screwed out of the threaded section and is movably sleeved on the middle section of the second assembly rod (141), and then Re-rotating the second assembly rod (141) of the screw assembly (14A) to move toward the inside of the first assembly tube (140), when the second assembly rod (141) moves to the penetration end (14) 1A) When entering the movable through hole (14〇c) t of the first assembled pipe (140), the combined end (141B) of the second set of masts (141) also spirally exits the upper tapping pipe of the front pipe (21) ( 210), the front tube (21) can be smoothly removed; then, the double-head screw (13A) is rotated out of the lower front cannula (11〇), and the fixed end of the first assembled tube (140) (14〇) A) Rotate the upper cannula (1 2 0) of the seat tube (12) to complete the disassembly of the front bracket (2 〇); the rear bracket (30) is disassembled in the same way as the front bracket (2 〇) First, pull the quick release puller (133B) of the tightening sleeve (130B) on the double-headed screw (13B) to release the double-head screw (13B) so as to be screwed toward the lower rear cannula (112). , 13 201127686 Let the other end of the double-ended screw (13B) exit the lower assembly tube (311) of the claw base (31) while releasing the two second nuts of the screw assembly (ι4Β) to make the second assembly rod (141) screwing into the first assembled tube (14G) and causing the joint end (141B) to exit the upper assembly tube (31〇) of the claw base (31), and then rotating the first assembly tube (彳4〇), so that It exits the seat tube (彳2) The cannula (122) can smoothly disassemble the rear frame (30); finally, the central bracket (10) is disassembled in the same way as the front bracket (20) and the rear bracket (3〇). When it is a double-headed screw (13), then

先釋放雙頭螺桿（13)上迫緊套管⑽）之快拆拉把（133)， ^旋轉雙頭螺桿（13)朝向下插管⑴彳）方向螺人，使雙頭螺桿（13)之另端it出上插管（121)，即可快速地拆卸下座管 (12)，接著旋轉雙頭螺桿（13)退出連接管⑴），即可快速地拆卸下連接管⑴）；當巾央螺合件為螺接#組件（14)時，先釋放兩第二螺帽（143) ’以使第二組裝桿（141)螺旋進入第-組裝管(，内’並令結合端(141B)退出上插管。2”，再方疋轉第-組裝管（14Q)，使其退出連接管⑴），即可快速拆知下連接g⑴）’藉此，可順利地將自行車車架拆卸成分散的管狀與桿狀’以大幅地減少體積，同時達到方便拆卸與方便攜帶之目的。請參照第七圖’本發明之第二較佳實施例與第一㈣實施例大致相同，唯其後支架（3Q)與中央支架⑽）的 (12)與連接管⑴）係形成—體式的固設結構，於拆卸時，僅而刀解刚支架（20)與中央支架（1Q)的螺接管組件（以雙頭螺桿（13A) ’即可快速地拆卸自行車車架。 ’ 請參照第八圖，本發明之第三較佳實施例與第—較士 201127686 實施例大致相同，唯甘乂 + 4 , A、 %其别支架（20)與尹央支架（10)係形成 -體式的固設結構’於拆卸時，僅需拆卸後支架(3〇)與中央支架(10)上的螺接管組件(14B)或雙頭螺桿。3B)，即可快速地拆卸自行車車架。此外以上所述者，描*丄&。僅為本發明之較佳實施例而已，本發月之可組拆之自订車車架結構，不限於前支架（2〇)與中央支架（10)形成-體式的固設結構，亦或是後支架⑽)與中央支架(10)形成—體式的固設結構，大凡依本發明申;: 專利範圍及說明書内交〇 0月斤作之間早的等效變化與修飾，皆應仍屬本發明專利涵蓋之範圍内。白【圖式簡單說明】第-圖係本發明第一實施例之局部剖面圖。第二圖係本發明第一實施例 ^ ^ ^ ^ 又朱局刀解立體圖。 ^:本發明第-實施例之分解方式動作示意圖。 =糸：發明第一實施例另一型態之局部剖面圖。立體圖。“第實施例另-型態中央支架局部分辩一實施例另一第六圖係本發明第示意圖。型態之分解方式動作面圖第七圖係本發明第二實施例之局部剖面圖第八圖係本發明第三實施例之局部剖面圖第九圖係本發明設置於自行車上之外觀平 15 201127686First release the quick-release lever (133) of the tightening sleeve (10) on the double-headed screw (13), ^ rotate the double-headed screw (13) toward the lower cannula (1) 彳) to make the double-headed screw (13) At the other end, the upper cannula (121) can quickly disassemble the lower seat tube (12), and then rotate the double-head screw (13) to exit the connecting tube (1)), and the lower connecting tube (1) can be quickly removed; When the towel center screw is screwed to the #component (14), the two second nuts (143)' are first released to cause the second assembly rod (141) to spiral into the first assembly tube (inside 'and the joint end ( 141B) Exit the upper cannula. 2", then turn the first-assembly tube (14Q) to exit the connecting tube (1)), then quickly disconnect the g(1)). Disassembled into a dispersed tubular and rod-shaped shape to greatly reduce the volume while achieving convenient disassembly and convenient carrying. Please refer to the seventh figure, 'the second preferred embodiment of the present invention is substantially the same as the first (four) embodiment, only The rear bracket (3Q) and the central bracket (10)) (12) and the connecting tube (1) are formed into a body-type fixing structure, and when disassembled, only the knife Solving the screw assembly of the rigid bracket (20) and the center bracket (1Q) (the bicycle frame can be quickly disassembled by the double-head screw (13A)'. Referring to the eighth figure, the third preferred embodiment of the present invention It is roughly the same as the first-best 201127686 embodiment. Only the Ganzi+4, A, and % brackets (20) and Yinyang brackets (10) form a body-shaped fixed structure. The bracket (3〇) and the screw joint assembly (14B) or the double-head screw (3B) on the center bracket (10) can quickly disassemble the bicycle frame. In addition, the above description, only *丄& According to a preferred embodiment of the present invention, the self-preferred vehicle frame structure of the present month is not limited to the front frame (2 inch) and the center frame (10) forming a body-type fixing structure, or The bracket (10)) and the central bracket (10) form a fixed structure of the body, and the general application according to the invention;: the patent scope and the early equivalent change and modification between the months of the month of the month, should still belong to the present Within the scope of the invention patent. White [Simple description of the drawings] The first diagram is a partial section of the first embodiment of the present invention. The second figure is a perspective view of the first embodiment of the present invention, which is an exploded view of the first embodiment of the present invention. A partial cross-sectional view of a three-dimensional view of the first embodiment of the present invention. 7 is a partial cross-sectional view of a second embodiment of the present invention. The eighth embodiment is a partial cross-sectional view of a third embodiment of the present invention. The ninth diagram of the present invention is provided on a bicycle. 201127686

(130130A130B)迫緊套管 (132)迫緊耳片 (1414A14B)螺接管組件 (140A)固定端 (140C)活動通孔(130130A130B) Tightening Bushing (132) Tightening Tab (1414A14B) Screw Tubing Assembly (140A) Fixed End (140C) Active Through Hole

【主要元件符號說明】 (1 〇)中央支架 (110)下前插管 (112)下後插管 (120)上前插管 (122)上後插管 (141 A)穿入端 (14 2)第一螺帽 (20)前支架 (210)上分接管 (30)後支架 (310)上組裝管 (11) 連接管 (111)下插管 (12) 座管 (121)上插管 (1313A13B)雙頭螺桿 (131)彈性裂口 (1 3 3)快拆拉把 (140)第—組裝管 (140B)自由端 (141)第二組裝桿 (141B)結合端 (143)第二螺帽 (21)前管 (21 1)下分接管 (31)勾爪座 (31 1)下組裝督 16[Main component symbol description] (1 〇) Central bracket (110) Lower front cannula (112) Lower rear cannula (120) Upper front cannula (122) Upper rear cannula (141 A) Piercing end (14 2 The first nut (20) front bracket (210) on the tapping tube (30), the rear bracket (310), the upper tube (11), the connecting tube (111), the lower tube (12), the seat tube (121), the upper tube (121) 1313A13B) double-headed screw (131) elastic split (1 3 3) quick release handle (140) first assembly tube (140B) free end (141) second assembly rod (141B) joint end (143) second nut (21) Front pipe (21 1) Lower tapping pipe (31) Lower claw seat (31 1) Lower assembly supervisor 16

Claims

201127686 VII. Patent application scope: A detachable bicycle frame structure, which comprises a central bracket, a front bracket and a rear bracket, and the connecting body: the body of the integrated body, and respectively included at the upper and lower ends The - ^" connecting tube protrudes from the front side to form a front insert S, and the seat tube protrudes on the other side to form an upper front cannula; the front bracket is screwed to the front side of the central bracket, a double-headed screw and a screw a take-up assembly, wherein the convexity of the connecting tube and the seat tube is selectively screwed to the screw; and the lower tapping tube; one of the double and upper tapping tubes and the lower tapping tube and the upper The front cannula and the lower taper are: the second tube assembly is selectively screwed to the other side of the lower screw; the & μ insert and the upper tap tube are not provided with a double-headed rear bracket system-body It is fixed on the rear side of the central bracket. The detachable bicycle frame and the threaded stroke of one of the two ends of the double-headed screw which are respectively described in the first item are larger than the other inside the tube body. Thread stroke. The structure patent can be grouped as described in item 2. The bicycle frame, the mouth, and the two ends of the double-headed screw are respectively provided with a pressing sleeve, and the pressing sleeve is respectively sleeved on the double-headed screw and the corresponding pipe body. The detachable self-preferred vehicle frame structure according to claim 3 or 3, wherein the screw pipe assembly comprises a first assembled pipe and a second assembled rod, and the first assembled pipe internal system A movable through hole ' is formed and an internal thread is formed at a free end; the second assembled rod penetrates into the first assembly rod' and is screwed on the free end, and the outer pinch is smaller than the movable passage 17 201127686 hole inner diameter 5. The detachable bicycle frame structure according to claim 4, wherein the screw pipe assembly further comprises a first nut and two second nuts, wherein the first The nut is screwed on the fixed end of the first assembly tube and is sleeved on the corresponding tube body; the two second screws 2 are respectively screwed on the two ends of the second assembly rod, and respectively sleeved on The first - the free end of the assembled tube and the corresponding tube body. 6_ - a group of bicycles that can be assembled The frame structure comprises: a central bracket, a front bracket and a rear bracket, wherein: the central bracket is a body frame, and is respectively wrapped at the upper and lower ends - a connecting tube and a seat tube, wherein the connecting tube is The rear side protrusion forms a lower part; the seat tube protrudes on the rear side to form an upper rear cannula; the front bracket is integrally fixed on the front side of the center bracket; the rear bracket is screwed on the rear side of the center bracket, and includes There is a double-head screw and screw assembly, in which the 'claws:: do not protrude from the connecting pipe and the seat tube. The upper assembly pipe and the lower assembly pipe are screwed to the lower rear and the lower screw. Assembling the tube and one of the upper rear inserting and the upper assembling tube; the screwing tube assembly is selectively screwed to the lower rear cannula and the lower assembled tube, and the upper rear cannula and the upper assembled tube are not = the head screw is another one place. There are double 7 _ such as the patent application scope 6 @ γ > structure, its *, the double-headed bicycle frame double master screw cups are respectively screwed to the 1st one of the internal combustion thread stroke system is greater than Another - the internal thread stroke of the pipe body. 8. The structure of the invention as claimed in claim 7, wherein the cake juice + the start-r~曰仃 bicycle frame, the two ends of the double-headed screw are respectively screwed--tightening the casing, 18 201127686 The pressing sleeves are respectively sleeved on the double-headed screw and the corresponding pipe body. The detachable bicycle frame structure according to the seventh or eighth aspect of the invention, wherein the screw assembly comprises a first assembled tube and a second assembled rod, the first The movable pipe is internally provided with a movable through hole 'and an internal thread is formed at the free end; the second assembled rod penetrates into the first mounting bar and is screwed on the free end, and the outer diameter small hole is inboard . 1 〇如申请申请申请申请如如如如可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可Spiral:: The first assembly = the solid end, and the cover is attached to the corresponding tube eight as the version A s 15, the two second nuts are the knives 3 and the ends of the second assembly rod ^ And respectively cover the free end of the first group of rafts and the corresponding tube body. ,········································································································· There is a formation of the former formation of the former rape # ^., the middle of the official in the front side of the convex, then the officer, in the middle of the convex side of the convex side to form a traitor g. / into the intubation, after the ^ ^ Intubation; the seat tube is in the front gamma mountain r tube, protruding downward in the middle to form a U-bump to form an upper front and rear insertion cannula. φ Α insert, on the back side convex to form an upper, central snail The connector is screwed into the upper cannula; the lower cannula and the seat tube are screwed to the central tube, the double-headed screw and the screw-on tube set, and the side is included There is a front protruding pipe and a seat pipe protruding direction - the upper side of the upper tapping pipe is separately / the lower knife is connected; the double head 19 201127686 screw # is optionally screwed to the lower front cannula and the lower tapping and upper tapping pipe a 士叹刖刖刖刖 ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;; And the other part of the upper intubation tube and the upper tapping tube are not provided with the double-headed screw cup; and the rear bracket is screwed into the human body w + IA know-how. 6 is placed on the rear side of the central bracket, and includes -: Seat, double-headed screw and a screw-on pipe assembly, in the middle of the stern, the claw seat is protruded in the direction of the front side of the moon connecting pipe and the seat pipe - the upper assembled pipe and the lower assembled pipe; the double-headed screw is selectively screwed to the lower The rear cannula and the lower assembled tube and the upper rear & :, upper and the middle of the tube; the screw joint assembly is selectively screwed to the lower rear insert and the lower assembly tube and the upper rear cannula and the upper assembly tube There is no other head screw. ^12. The detachable bicycle frame structure as described in the patent application 帛n, wherein the central screw member is a double-headed screw. 13. The central threaded member of the detachable bicycle frame structure as described in the scope of the patent application is a screw-on pipe assembly. The detachable bicycle frame structure according to the above-mentioned patent application, wherein the two ends of the double-headed screws are respectively screwed to each other, and the internal thread stroke of the pipe body is greater than another one. The inner thread of the pipe body. J 15·The two sets of the double-headed screw described in the detachable bicycle frame structure described in the patent application 帛14 item are respectively provided with a pressing sleeve f ' The tightening sleeves are respectively sleeved on the double-headed screw and the corresponding pipe body. 16. The screw-on pipe assembly of the detachable bicycle frame structure 1 according to claim -15 has one The first group of tubes and the second assembly #, the first assembly tube is internally provided with a movable through hole, 20 201127686 and has an internal thread formed at a free end; 坌_^, , the first group of masts penetrates The first assembled cymbal is screwed on the free end _ and the outer cymbal is smaller than the inner diameter of the movable through hole. 17. In the detachable bicycle frame, 4, #, The screw connector assembly further has a cap and two second nuts, and the bean is in the middle of the bean. The first screw cap of the middle 3H is arranged on the fixed end of the first group, and is sleeved on the corresponding pipe body; the two second nuts are screwed on the two ends of the second assembly rod, and respectively Covered on the free end of the Lv and the corresponding pipe body. 18. As in the patent application scope, the white "a" can be assembled as shown in paragraph 12 or 13 of the frame, wherein The screw pipe assembly includes a pipe and a second assembly rod, the first assembly pipe is internally provided with a movable through hole, and a free end is formed with an inner X^^L spear. An assembly rod penetrates into the first assembly rod and is screwed to the inner diameter of the free movement through hole. 4, and the outer diameter is less than the live 19. In the detachable bicycle H # described in claim 18, the screw assembly further includes - the first screw: and the second The first nut is screwed on the first assembly pipe end and is sleeved on the pipe body; the two second nut J are screwed on the second assembly rod Both ends, and its +A, this set is placed on the free end of the first assembly Luyu and the corresponding tube. Eight, the pattern: (such as the next page) 21