TWI248405B - Self-expanding type folding bicycle structure - Google Patents

Abstract

The object of this invention is to provide a self-expanding type folding bicycle structure which is a bicycle capable of self-expanding the bicycle body and being folded into a luggage-like configuration. The solution of this invention is that the rotation of a rotary disk on a casing is utilized to wind a primary and a secondary drawing cables, and then each branch cable is driven by the primary and secondary drawing cables to pull each folding part and locking device so as to fold and close the bicycle body into the casing to form a luggage-like configuration. On the other hand, the primary and secondary drawing cables and each branch cable are loosened when the rotary disk is not rotated, and the restoring action of the restoring spring in each folding part is utilized, enabling the bicycle body to be automatically expanded and restored to al bicycle.

Description

1248405 V. Description of invention (1)

[Technical field of the invention belongs to J*Open ί" (2) Bicycle, which is a kind of bicycle that can be used as a paper box. [Prior Art] A folding bicycle is a & can be a bicycle riding, in-seat bicycle, in Unfolding u is very suitable for people who are close to the work space and easy to collect, and all types of bicycles have activities = use. After the general folding g bicycle is unfolded, the buckle f = f J, which makes the bicycle fold, and 2 ' The unfolding and folding of the car body is still loose. Only until now = open or close, that is, the car can be used; most of the folding method is to take two rounds to c open or close; There is still room for improvement in the body. It is difficult to make two rounds of interlacing and turning. Secondly, the L after being folded is placed indoors but it is very uncoordinated; empty = but the mechanical structure is further, the brakes of the bicycle are to be overcome. The handbrake type is currently used by: = or hand brake type, in which the brake lever with the brake wire is pulled by the handle and the lever in the direction of the control, and the operation is performed by the brake line i. , the palm pulls the brakes to remove the brake lever, the single-port guard wheel immediately Speed and stop; however, in addition to the function of the direction, it is necessary to::: need to make the grip have a single action, only such a new technology m $ 5 page line 1248405 丨 · - - 5, invention description (2 ____ is still a new test for the industry, and this technology is still unable to break through. 疋 Highly difficult technology, [Summary] 1. Technical problems to be solved · The main purpose of the present invention is to provide In order to make the folding bicycle expand, the bicycle can be used to fold the bicycle. The hand must be back: and then the chair can be folded. After the deployment, the bicycle can be folded and the turntable can be rotated to make the pedal heart. Bicycle, @ pedal under the pedal of the bicycle can not be collected and solve the I-type folding point. The job and the pants are easy to be contaminated by the drive chain m - the purpose is to self-expanding folding bicycle with external = handle 'when the institutions After the income is dissipated in the outer casing, it becomes; the 亍李箱<I! portable ϊ can be used by the user to hold the 'and the driven disk under the outer casing can be used as the 转 仃 相 , , , , foot A further object of the present invention is that the self-expanding folding bicycle has a hand brake grip, which uses the rotary feed of the grip to brake the front and rear wheels and the wheel body; The folding bicycle must be equipped with a grip = use. 『 soap hand + dry

Page 6 1248405 V. Description of the invention (3) Second, the technical means to solve the problem: In order to solve the above problems, the structure of the present invention is composed of a vehicle body, a driving device, a guiding device, a braking device, a traction device and various locking devices; Wherein: the vehicle body is composed of a frame supporting the overall structure, a casing covering the outside of the frame, a seat cushion disposed at the upper end of the casing, and a front cover plate disposed at the front edge of the casing; a positioner disposed between the frames, a driving plate on both sides of the positioner, a rear support frame disposed at the rear end of the clamper, a rear wheel disposed on the rear support rod, and a rear cover plate disposed above the rear wheel; The driving plate is located below the front outer casing; the guiding device is a front strut pivoted at the front end of the positioner, a longitudinal rotating shaft disposed at the front end portion of the front strut, a front wheel frame disposed at the lower end of the rotating shaft, and is disposed at the front wheel a front wheel in the frame, a rudder frame disposed at an upper end of the rotating shaft, and a grip provided on both sides of the rudder frame; wherein the rudder frame is erected in a hollow slot of the front cover plate after being deployed, and the front wheel frame is folded after being folded The front wheel will be introduced into the front pole Hollow frame 梓 PC! · * ^ Meal system = device, which is set on the left and right grips, the brakes fixed on the front wheel t, and the rear brakes fixed on the rear struts; The brake can be stopped for the front and rear two-wheel brakes; the plate and the bowing device are a base vehicle supported by a plurality of brackets and fixed on the side of the frame, and the two ends are fixed on the substrate and the other ends are passed through the skeleton and combined with the turntable. ΐ sub-shaft Γ f shuttle main spindle on the main shaft and the main gear, a sub-gear on the sub-shaft and a sub-winch

Page 7 j248405 V. Description of invention (4) The card 掣 掣 、 , 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前 前Bicycle rider. When the 'package rod card bow I device and the pedal card are used to drive the folding tray by the transfer line, the inside is folded into the grip, the main, and the rotating branch line of the phase plate mounted on the vehicle. The slack Zhang 篑 篑 篑 篑 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛 松弛Traction connection; turn the main and auxiliary traction lines, pull the folding parts and the clamping device, and the inside of the casing to form the trunk; vice versa, enter the main and auxiliary traction lines and branch lines, and use the return In order to automatically expand the car body into a three-control by means of the opening, and to make it easy to handle 2 · multi-purpose pedals with a hand-held aesthetic coordination 3 · directional operation using the prior art self-expanding folding of the present invention Easy to use, especially the self-expanding folding car, in the collection and lifting, can be easily self-expanding folding control and braking effect: The implementation can achieve the following advantages: When the stacking bicycle is deployed, it can automatically borrow the traction device Scrolling to make it collapse; chastity is unfolding Process. After the launch, the bicycle can not only become a cyclable but also become a suitcase. This suitcase not only has a runner for the trunk to move, but also does not affect the line of sight. The hand-turning brake grip of the stacker is a knot dual-purpose grip, which is not only flexible but also easy to operate. Page 8 1248405 V. Invention description (5) 4 · The pedal of the self-expanding folding bicycle is collectible And the drive belt is hidden inside the casing so that the pants are not soiled or involved. [Embodiment] The following is a detailed description of the following embodiments according to the drawings: As shown in the first figure, a perspective view of the bicycle of the present invention, which shows that the bicycle 10 is divided into a vehicle body 1, a driving device 2, and a guiding device. 3. Brake device 4, traction device 5 and each cassette device (grip chuck 6 1 , rudder chuck 6 2, front wheel frame 6 3, front pole card 6 4, rear support) Rod 掣榫 6 5, rear cover 掣 6 6) 魬. The body 1 is formed by a set of arched skeletons supporting the overall structure, a casing i 2 disposed on the outside of the frame 1 2, a seat cushion 13 disposed at the upper end of the casing 2, and a front cover 1 2 The front cover plate 14 is composed of a rim; wherein the skeleton 11 is used for stabilizing the outer casing 12 and supporting the weight of the human body, and the shape thereof has various changes, so the present invention does not need to set a limit for the shape, and the outer outer surface is an approximation. The trunk shape of the trunk has an inverted U-shaped cross section, and the interior is hollow and has an open opening at the front and the rear. The front opening can be matched with the front cover 14 , and the rear opening can be matched with the rear cover 25 and the front cover. A positioning switch (not disclosed as a conventional switch) is hinged between the board 14 and the case 1 2 so that the front cover 14 can be fixed by the positioning switch without being rotated upward. Further, the seat cushion 13 at the upper end of the outer casing 1 2 is for the user to ride, and the portable handle 15 at the rear end of the seat cushion 13 is for the user to grip. The driving device 2 is pivoted on the rear end of the positioner 21 by the positioner 2 disposed between the frame 1 and the driven plate 2 2 on both sides of the positioner 2 1 .

Page 9 1248405 is composed of the rear poles 25. A turntable having a stepping movement is provided by a front end portion 3 3 of the planting body 3, and a rudder frame 35 provided therein. The rudder frame 3 has a middle wheel 34 which is turned into a plate 14 and is guided by the fifth figure. The front part 3 is arranged on the left side 3; the brake 4 2 is used for the rear view, the second figure is the three figure, the foot flat turning is turned downwards 5 downwards to enter the rear wheel of the outer casing 3 2 4, disposed in the rear wheel 2 4 , wherein the driving disk 2 2 is located in the outer casing plate 26 for the foot to step on the disk body, also in the longitudinal axis 3 of the positioner 2 1 in the front wheel frame 3 3, and at the rudder The frame 5 and the front wheel frame 3 are used, when the rudder frame 3 is vented through the slot 1 4 1 into the front struts 3 1 , the right second grip 3 6 erector 4 2 , and the fixed brake device 4 is used for the front wheel 2 4 Brake of the invention bicycle bicycle 1 初步 The initial contraction of the treadmill and the rudder frame 3 5 and the front cover work 1 2; then the above-mentioned grip is used in the rear main 3 4 brake. The expansion of the full expansion and closing action; 4 of the fifth figure 5, the invention description (6) the rear pole 2 3, set the upper rear cover 2 1 2 below, it is a luggage guide 3 1 The front wheel frame provided at the lower end of the front strut 2 is composed of the upper end 36 of the rotating shaft 3 2 . The upper and lower ends of the 3 2 are vertical and pass through the front cover after being folded, and in the front 0, the rear brake 4 fixed on the front wheel frame 3 by the subsequent braking device 4 is braked, wherein the front and rear brakes 4 3 For example, the second to sixth schematic diagrams in which the pedaling is performed; the second grips 3 6 are passed through the rudder frame 341 as shown in the water diagram, and then the front struts 3 2 of the front end are provided on the front wheel 34 of the rotating shaft 3 The grips 3 on both sides of the 3 5 are respectively vertical after the rotation of the shaft 5; and the hollow frame slots 3 1 of the front wheel frame 3 1 and the support rods 2 3 are used for the vehicle, and the folding movement It is available for riding, first of all, it will be revealed as the fourth empty slot 1

Page 10 iHi 1248405 V. Description of the invention (7) Rudder 3 5 Rotating wheel 3 4 is introduced in 5 and the first one is received after 1 4 cover 2 is hidden behind by the moving disk 2, the rear wheel of the ten In order to cross into a map of the field, there is no need to restrain the structure, and the foot of the main frame of the foot is set to 5, and the main frame 1 of the wheel frame 3 is folded into the cover, and the outer cover 1 is used as the footrest. It becomes the cover 25, and the "hand bike" is the seventh position and position view of the bicycle. The front cover 3 of the structural package substrate 5 is folded together with the outer casing 1 shell 1 2 and the pedal 2 After the 3, the trunk car is in a fold--" outer edge is no longer required to lift the line 1 0 to the process'. This is the intention of the car folding will be eight figures (except in the picture: _ 8 _, can also The middle and the rear of the 3 1 can be 2; the most front open car 10 is the rear of the wheel of the outer handle of the casing 1 , and the 2 2 2 is not moved to drive the 2 box of the box. The operation is restored because the machines are folded and unfolded. This shows that the top view shows that the traction device is fixed by several branches. Frame 3 empty frame slot 3 After the front pole is like the sixth, the rear cover is folded 1 2, especially as 5 for use, it can make the appearance beautiful and the box." It can also be used as the wheel 3 inward 1 0 inside 3 1 , the picture shows 2 5 cover, then a baggage person can lift the suitcase without any need, the person holds the disk, so that the action is immediate, and the deployment is originally the subject of the traction device can be the following The seven figures are for observation), the fifth set is set on the frame 59 and the support substrate is 5 and the turn is 'for the front'. When the rudder frame 3 is the rear strut 2 3 ' in the front cover cover in the outer casing 1 the frame structure is formed, Jin, as well as moving in the belt, so the force of the carry-on luggage side of the suitcase, but this time the suitcase is full of the sixth figure back to the process of traction equipment is no longer involved, the eight figure of the bicycle is obtained as the skeleton 1 1 and fixed At the other end, the machine that passes through to the first move is known. Traction 褒 guide side, skeleton 1 skeleton 1

1248405 V. INSTRUCTIONS (8) The main shaft 5", - shuttle in the main shaft... wheel 53, - the counter shaft 5 provided on the base plate 58; and the main ^ = 舳 = the sub-gear 5 4 on the 5 〇 b And auxiliary winch 5

Field] Two axes 5 0 a, r η κ... A A turntable 51, substrate 58 are required to have a skeleton 11 to be matched, and the outer wall is provided - a frame groove 1 2 1 '5 1 1 The bottom creeping arm is provided with a plug 5 YJ; the groove 5 1 〇, the crank groove 5 1 〇 辟 A A 'the plug 5 1 2 can be inserted into the cavity and is attached with a spring 5 "; When the crank handle 5 1 is inserted into the outer μ expansion and closing action, the eccentric end can press the plug 5 1 2 can not be rotated: 2 1 preset positioning hole 1 2 2 β, so that the turntable 5 1 1 2 fi, π iWhen the handle 5 1 1 is lying down (ie, open action), the plug 5 is used and the end is not pressed, and the cymbal is subjected to the spring 5 "re-opening: 1 hole, so that the turntable 5 1 Rotate the handle 5 1 1 3=::?!. When the turntable! 1 When rotating, through the main gear 5 5, the main bite i 5 ?? linkage and t▼ moving the main winch 5 2 and the auxiliary winch 5 are provided with the auxiliary pull S3 winding: ΓΠΐ 56, the auxiliary winch 55 is wound around the set Folding part (such as the number = 6 series and bicycle 1 0

Then, with: L; i; 31, rear strut 23), and sub-traction line 57 "" (as shown in the first figure, the symbol "I is rotated by d!", the sub-gear 54 is a semi-gear, so the turntable 5 Let the sub-bow 1 line 5 7 wound on the turntable 5 1 start to be pulled. Page 12 5. Inventive Note (9) Each of the cassette devices 61 to 66, ^ so that the joints can start to be released. In addition to the lock-up two-claw; the twist line "is not able to rotate 4:;. However, the main winch 52 and the main upper 5, the movement and then the take-up rotation to hold the main traction line 56: still It can be carried out with each of the folded parts of the solid state of the turntable 5 1 :: move: so that the above-mentioned released lock is clockwise == = and then the handle 5 ii is pulled into the concave ^=closing action' After completion, it is inserted into the positioning hole i 2 2 so as to rotate, and the plug 5 1 2 is inserted again, and the crank handle 5H is pulled out of the recess ^ and no longer rotates. The reverse is no longer inserted into the positioning hole i 2 2 After f 1 main 2, the plug spring 5 1 2 is also placed in the spring (as shown in Figure 30; c is folded to receive the pre-3 2 4, 325a; Figure: thirty-three symbol line ", 57 was Interpret = "in the main _ turn" until the overall door + 忐 4 s ° ( Counterclockwise) square inner solid two "after the formation of the handle 511 back to the groove 5! 0 basin main ΐ 揭 ^ expose the main traction line 5 6 and the auxiliary traction line 5 7 is the main line, / in,: A plurality of different spur lines are connected to the movable parts; the spurs of the 5 fi 9 ^ 6 ί 6 include: an overhead line 5 6 1 , a front wheel line 3 2, a rigid strut line 5 6 3 , a rear strut line 5 6 4 The branch line of the auxiliary traction line 7 includes: grip card line 5 7 丄, rudder card 5 line 5 7 5, invention description (10): 掣: 掣 line 573, front pole 掣 line 574, after The support rod 6 and the rear cover cassette line 5 7 6 . Further, the ... line 5 g 7 ^ traction line 5 7 and its respective branch lines 5 6 i~5 6 4, the order has a length of 7 6 Under the pre-set conditions, the twitching process is followed by the following: the difference between the length of the main line and the spur line is used to control the lead and then the time difference between the retracting actions of each part is achieved, in the order of k-portion. Because of the multiple spurs being pulled to the folds of each of the folds =, , ' 5 6 , 5 7 , the rear shovel can be used to avoid the branch line 3 i , , / / after the smashing Bundle and try to follow the front and back Linked into the outer shell 2, and then with the traction device 5 above reveals the treadmill and the grip diagram, figure * function, L = structure 'the grip 36 of the invention contains two kinds of energy. Because of riding The grip is provided; the second is to provide the brake stop work, the grip? β g 〃, horizontally unfolded, but before the folding process, the cover plate 14 can rotate the rudder frame 35 downward and wear the handle 36 Can be bent, and i rule ^i1 (can refer to the first picture), because the grip can not be like the bicycle H!: 141 two walls of the block, so the brakes are built in the grip Ί, R = pull structure Therefore, the present invention is to put a 36 symmetry machine inside the f6. In this example, there are a total of two left and right grips 3 5 on the second two: the end is provided with a steering gear 3 6 1 to mesh with the grip sleeve 4 1 , the grip sleeve 2 ^, and the outer end of the grip 36 is attached with a spin Gui 4 1 1 has a spiral groove and a spiral column 4 1 1. The screw is in the screw: the column 4 1 1 is inserted into the grip 3 6 1248405 r and is in the Tod ___, which can be placed on the inner wall of the grip 3 6 The protruding guide pin 3 6 2 guide screw column 4 1 1 string has a spring 4 1 2 , the magazine 4 1 2 is pi again = part:, pressed in the grip ... part; its J screw: that can drive the spiral column 4 1 1 rotates, and the specification of the screw 4 1 'out guide bolt 3 6 2 produces an axial displacement action, into the & ^ , brake line 4 1 3 a ( 4 1 3 b ). Then pull the bow 1 盥一:, the left and right brake lines 4 1 3 a, 4 1 3 b the other end is eight = rear = brake 4 2, 4 3 connection (as shown in Figure 11, the rear brake 4 3 is set on the rear strut 2 3, as shown in Fig. 1 [, =:= over ^, that is, the front brake 42 is taken as an example: when moving the left grip sleeve 4 1 , by the spiral column 4 1 1 Traction the second line 4 1 3 a and make the front brake 4 2 to the front wheel 3 = brake to make the front wheel reach the brake stop λ clamping action, by the screw column 4 ί ^: when moving the right grip 41, it is in use; = = To the brake stop function. Reverse 1 is subject to the internal 1 feed 'spiral column 4!' and then release the brake line 4"::=sheng is restored and 4!:;r after the second round 34, "] two = use In the figure, "out of the main: the cross-sectional view of the aforementioned grip 36, the shaft of the west wheel J 5 1 3 5 卜 s < 丄 53 for the front brake line 4 丄 another:: there is a pulley 3 to prevent it Produce the grinding directly to the shaft; nnn; _ Page 15 1248405 V. Invention description (12) With the main gear 3 5 掣 line 5 7 1 , the end of the bolt can be fixed, such as the thirteenth bearing 3 5 5 , because the surface of the 6 1 is 6 1 2; 5 1 a ( In addition, the main description of the bolt groove 6 1 1 surface 3 5 1 c, second, the elastic bolts shuttle in the shell of the top of the top of the plug bolts and then as shown in the tenth 51 is expanded according to the lock) The positioning bolt 3 is re-entered into the bolt groove 6 a at the same time, because the bolt hole 3 1 of the bolt groove 65 1 of the positioning bolt 9 6 1 is coaxially and simultaneously engaged, and the figure reveals that the card has a bolt groove. The main figure fourteen gears 3 phase corresponds to its combination 3 5 4 positioning spring 3 5 six to ten solid state (5 4b 1 1 (the bolt groove 6 3 5 4 1 1 inside 5 1 b and located in the elastic convex Related to the main tooth, the card tray 6 1 6 11 gear 3) can be inserted on the 5 1 mating, the rear vertical structure bolt 3 5 4 c group nine figure structure and the display grip (as shown in Figure 10 1 1 The inner b and the card, and the side end, the pin 3 5 wheel 3 5 decompose the knot plate 6 1 can be carried out, the plug 5 1 is additionally provided with a bolt hole 3 body structure is composed of a 4 b Illustrated, intent, 3 6 and 17) 8) The other end of the bolt 3 5 Positioning only the main gear card 6 6 1 4 is set on the hull 1 and the 掣 构 structure like the thirteenth and the shaft 3 5 rotation action; groove 6 1 1 — wheel With "said pin grooves 61 a pin hole 3 5 5 1 b side view of the hollow end of the fifteenth and the shell 3 about a pin provided on the card 35 and then the inner wall, ~ 61 'shown in FIG make. The two matching vehicles are provided by the other. The end of the cassette has a beveled projection. The card is picked up in the inner side of the card 1 to be covered by the 1 b and the front is also provided with a wedge. 5a, a casing and used for the chucking plate 61 and the main gear 3, when the grip 36 is in the vertical state, as shown in the twelfth figure, the frame is passed through the end of the bolt hole 3 5 1 b. And the card plug 351; at this time, as in the nineteenth figure, 1 b are simultaneously inserted into the cassette 354b through the main gear 3 3 5 1 to move, so that

1248405 V. Invention description (13) Unable to move rotation, dry ~ "

The wheel 3 6 1 is advantageous: the state of the steering tooth that meshes with the main gear 3 51 is described. ', actuation, and the grip 3 6 is a horizontally unfolded U, but as shown in the main iUrnf diagram, the card tray 6 1 has been unlocked and the rotation of the card will cause the card disk 61 to start rotating: Plug 3 5 4 b by 拴槿^ f ” using the chamfered surface 6 1 2 to push out the elastic positioning positioning bolt 3 5 4 (as shown in Fig. 22), at this time (as shown in Fig. 20), the bolt retracting into the main gear 3 5 1 The hole 3 5 1 b is internally rotated to make the groove 6. As shown in the twenty-third figure, when the end edge of the card f 6 1 and the card pin 3 1 τ is connected to the card pin 3 5 1 a, The gear 3 5 1 is ready to push the main gear 3 5 1 (the main 51 is positioned at this time); = card 'Because the positioning pin 354b still keeps the main gear 3 from the chamfered surface! Q 35 1 a is longer than the bolt groove 6 1 1 deep, two b 1 2 effects while slipping out).

^ ^ -14~-I 3 5 1 All unlocked: Shape:::, the card is 6 6 and the main gear 5 1 is opened to make the rotation ^ ^ two composition and schematic. When the main gear 3 b is pushed out of the bolt hole 3 5} 3' (the wedge surface 3 5 1 c will position the bolt 3 54 51 is no longer subject to the positioning bolt 35 as shown in Fig. 25), at this time the main gear 3 bolt 35 1 a is still in the card tray 6 limit 'and the main gear 35 1 card six), so the card tray 6 i spins the bolt groove 6 1 1 (as shown in Figure 20 complete rotation, this can be second 7 即 即 同时 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主 主, invention description (14) raw deflection, and secondly, the opposite side is additionally provided with the grip card line gear 3 6 restored to the horizontal as the second rear cover card handles the folding frame 2 3 1 as the main gear 2 3 The gear 2 3 5 is connected to the connecting rod 2 5 by the click line 5, the 6 6 2 2 2 5 5 2 2 5 is the 6th release of the pull wheel 2 3 5 and the reduction). The handlebar 2 is shown in Fig. 6 as being disengaged from the aforementioned twelfth reset gear 5 7 1 release 3 and the reset bomb is deployed. Nineteen and twenty-six 6 6 are the same in the same way, for the device card 掣 2, elastic convex, reset elastic 箦 1 fixed to the locking relationship when the 7 6 pull, the 6 6 6 drives the steering tooth folding action ( In addition, the rear cover 52 makes the baggage known. During the process, the grip diagram reveals the figure of 3 6 3 and the re-tensioning force and the spring 3 6 4 is shown, the figure is attached to the rear cover. The rear strut plate 6 6 is used by the bolts 2 3 3, 2 3 6 , etc., and the gears 2 3 can be elasticized and then released to move the main gears 2 3 4 as indicated by the dotted line. The plate 2 is provided with a phase-converting portion 36 to generate a coaxial steering position spring 3 6 in a relaxed state, so that the inner wall of the folding 2 3 after the bicycle is gripped, the chucking disk 6 is turned to the gear 2 and thereafter The side end of the cover 4; when the boss 2 3 3 main gear 2 3 wheel 2 3 2 rotates, thus. On the other hand, when the board 2 5 can be used, it can be re-rotated with the hand-held 2 type. Gear 3 6 1 4 'Currently unveiled' can be released by double-setting the cover plate 2 5 and the principle is connected to the front side of a fixed frame 6 side setting 3 4, resetting 2 5 below the card tray 6 6 2, the lock is turned off, and then the main cover can be used to retract the gear by the resetting gear (ie 5 2 , using 'this can also be

The following is a description of the folding structure A and the transport of the rudder carrier.

1248405 V. Invention description (15) ___ There is US: Fig.: Fold: Structure A is: rudder frame 3 5 bottom 柩 axis 320 pivot U and the upper end of the shaft 32 in the pivot 321 and the gantry drought 35 = set The card engine slot 357, 5 7 2 is wound around the engine 7, the card line is provided with a retreating slot 621, and 辕ρ, the two side walls 盘9 9 of the disc 62, and the inner wall of the pivot slot 321 on the rotating shaft 32 is provided with ' The push hole 3 2 2 is further provided with a push bolt 3 2 3 ; and the two side walls of the rudder mast ^ 5 6 are also provided with a bead groove 3 5 8 , and the bead groove 3 5 8 is provided with a positioning bead 35 Θ.曰 罝 罝 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , When the 'card swash plate 62 rotates, the angle is exactly such that the escaping groove "I deviates from the bead groove 358, so that the positioning is connected between the τ 曰◦ 丄 and the push hole 3 2 2, and the rudder is applied, and the stalk is fixed in the bead groove 3 5 8 . As shown in the thirty-second figure, the state is bent by the = method. The frame clamp 6 2 is rotated to the retreat;: "Up: 2 is pulled to make the rudder positioning bead 3 5 9 by the push pin 3, the bead groove When 3 5 8 is opposite, in the retreating groove 6 2 1 , part of it still acts to make the part enter 3 5 8 and retreat from the push hole 3 2 2, and the two r are added within 3Θ丨5 8 and the bead groove is carried out. In addition, the 'the pivot slot 3 2 1 and the pivot rod are also provided with the reset spring yellow i (as shown in Figure 33). The 5 can be dumped by the ship line 5 6 , 俾 于 收 收 收 收 Ί Ί Ί Ί Ί Ί 5 5 5 Ί Ί Ί Ί A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A

Page 19 1248405 V. Inventive Note (16) U reveals that the shaft 3 2 $ center solids before the head 丨 Μ Q Q Q Q Ο 1, state. In the twentieth > figure, the ~q ff glaze 3 2 strut 3 1 ' and the bottom end is the retracting structure 4 B of the rotating shaft 3 2 and the front wheel frame 3 3 , and the folded structure B is the same as the aforementioned structure A, As shown in the thirty-fifth figure, there is a pivot rod 3 2 5 under the sleeve 3 2 , which is provided with a latching groove 327 in the drag shaft 3 2 6 in the upper end slot 3 3 1 of the front wheel frame 3 The disk person ^ b is connected to the card (4) 63, and the card K card line 5" is wound around the slot 6 3 !, and the front wheel frame 3 3 is pivoted, and the two side walls are also provided with a retreat 2, and the push hole 3 3 2 is There is a check G; 1 inner wall is provided with a push hole 3 3 side wall is also provided with a bead groove 3 2 8, bead groove], and the pivot rod 3 2 5 2 2 9 ·, in addition, in the pivot slot 3 3 1 ^ = 8 content There is a positioning bead 3 pivot 3 2 6 is also provided with a return spring 3 ^ dry 3 2 5 gap, the aforementioned, the operation of the folding structure B. Mainly by the card line 5 7 3 and the front wheel The addition is the same as the folding structure A, which is controlled by the action process and the control mode and the front wood line 5 6 2; it is described in detail. It should be noted that the volume = the structure A is the same, and the next is not 3 4 will be introduced into the front pole 3 1 middle ^ front wheel frame 3 3 fold, its front wheel five Having been described, the front struts are in the 3 1 ,, which are introduced in the aforementioned accommodating front wheel 34. 1 There must be a hollow frame slot 310. Next, the front struts 31 are discussed and discussed. The thirtieth>, the rear strut 2 3, the cross-section of the rear strut 3 1 , 2 3 is shown in the cross-sectional view, and the locator 2 1 and the front are passed by a shaft 2 1 1 Lateral bone two, 1; the figure shows the positioner 2 1 by 1248405 V. Invention description (Π) The shaft is fixed, and the shaft 2 1 2 0 outputs the power to the rear. The front 3 end of the positioner 2 1 is inclined The cutting surface 21 has a frame rotating portion 3 1 on the rotating shaft 2 1 3 a. The chamfering surface 3 1 2 is extended to the end of the inclined 1 to be fixed. The rear 4 end of the positioner 2 1 is a chamfered surface 2 1 rotating shaft 2 1 4 a is also provided with a pivoting portion at the end 2 3 chamfered surface 2 3 8 to extend a certain upper end with the end of the oblique 7 such as the front and rear two cassettes of the thirty-sixth figure 13 and the rear strut 2 3榫6 4. When sitting in the car, it can be used to support the human body and the car body. As shown in Figure 37, there is a driving wheel 212 between the cassette and the positioning plate 1, and the pair of the leather wheel 24 is provided. The moving wheel 241 generates a moving end One turn 2 1 3 , the front lever 2 3c, and a shaft 213 extending from the shaft 213 has a spring 213b. In addition, the front strut 3丄1 is pivoted on the rotating shaft 2 1 3 a, and its cut surface 2 1 3 c phase Correspondingly, the S-position board 3 1 3 ' is placed on the front of the front card, and a rear lever 2 1 4 is set, and then the rear wheel 2 2 4c is extended, and a rotating shaft 214 is extended with a spring 2 1 4 b. In addition, the rear strut 2 ^ 7 is pivoted on the rotating shaft 2 1 4 a, and its cut surface 2 1 4 c corresponds to the pivoting plate 2 3 9 ', which is set in the rear card 掣 6 6 Revealing the positioning plate positioning plate 2 3 9 of the front strut 3 1 is erected on the positioner 2 ^ 6 5 to precisely assist such a erection relationship, so that the positioner 2 1 and the front and rear two poles 3 1 , 2 3 weight. Not a side view of the two poles 3 1 and ^ on the front and rear of the bicycle. The figure shows the 3 蟪 bar with I 4 in the front card

ΪΜ Page 21 1248405 V. INSTRUCTION DESCRIPTION (18) 6 4 is disposed in the groove 2 i 5 before the positioner 2 1 , and the bottom end is further provided with a tooth 6 4 1 to mesh with a gear 6 4 2 , The gear 6 4 2 is wound by the W-clamping wire 574 and can be rotated. Therefore, when the front latching wire 574 pulls the gear 6 4 2, the front latch 6 4 can be retracted. The positioner 21 is preceded by a recess 215. Further, the 'rear card smash 6 5 is disposed in the groove 2 1 6 after the positioner 2 1 , and the bottom end is also provided with a tooth 651 for meshing with a gear 652, and the gear 6 5 2 is subjected to the rear card line 5 The winding of 7 5 can be rotated, so that when the rear latching line 5 7 5 pulls the gear 6 5 2, the rear latch 6 5 can be retracted into the positioner 2 1 and then the groove 2 1 6 Inside. As shown in the twenty-eighth figure, after the front cassette 6 4 and the rear cassette 6 5 are completely retracted into the groove, the front strut 3 丄 and the rear strut line are pulled by the front strut line 5 6 3 5 6 4 Pulling the rear strut 2 3, you can perform the folding action of turning upwards; because the front strut 3 1 swings, it is subjected to the chamfered surface 2 1 3 c, 3 1 2 (as shown in Figure 35) The effect is that when the two chamfered surfaces are alternately rotated to generate the ascending action, the front strut 3 i will be deflected toward the upper side, and the offset distance Η 1 can be known from the thirty-ninth figure. . Similarly, the rear strut 23 is affected by the inclined planes 214c, 238 (shown in Figure 35). Under the effect of the alternating motion caused by the staggered rotation of the two chamfered surfaces, the rear strut 2 3 will be turned upwards. The action of shifting to the side is generated, and the offset distance Η 2 can be known from the thirty-eighth figure (the outward direction of Η 2 is exactly opposite to η 1). By the above, the front strut 3 1 and the rear strut 2 3 can be reversely displaced, which is better known from the disclosure of the fortieth figure.

Page 22 1248405 V. Description of the Invention (19) The two poles 31, 23 and the front wheel 34 3 at this time are not staggered after the folding, the body becomes the trunk, the bottom turntable, in order to Reduce the turning edge to add rubber rim 2 2 As shown in Figure 42, the auxiliary wheel 2 of the driving wheel axle on the shaft 2 1 1 is displaced by the rear wheel 24 in the dislocation of the temple, due to the shaft 2 1 2 1 5 'So the active roller skate 2 1 5 slides, and the long slide 2 1 5 can rotate. The non-position overlaps with the rear wheel 2 so that the friction of the driven disk under the vehicle body 2 is such that the rear wheel 2 wheel 2 1 2 1 , then, the auxiliary moving wheel 1 and the active 2 1 2 can, regardless of the shaft 2 One center 4 is side by side in front of each other (can be made into a plate 2 2 resistance, moving more 4 feet can drive the same with 2 4 1 wheel 2 1 with the leather driving wheel 1 1 on the same line, the pole 3 is the baggage as shown in Figure 4 It can be brought between the belt with the 20-axis and the belt 2 with the 2 0 2 12 steps, but the wrong value 1 and the rear rod 2 shown in the 11th). Secondly, when the trunk of the car moves, the outer power wheel of the movable plate 2 2 is driven, so that the rear wheel 2 4 wheel 2 4: rotates; 2 〇 will also cooperate with the displacement of the long sliding key to slide in the long, and actively The wheel 2 1 2 is shown in the fifteenth of the second, and a re-expansion spring 643 is provided at the rear end of the front cassette 6 4 in the recess 2 1 5 , and the current cassette line 574 (see the thirty-seventh figure) is released. In addition to the tension and the relaxed state, the re-expanding spring 6 4 3 can push out the cassette 6 4 by its own re-tensioning action; secondly, the rear end of the groove 6 in the groove 2 is also The re-tensioning spring 6 5 3 is provided, and when the rear clamping line 5 7 5 (refer to the thirty-seventh drawing) releases the pulling force to form a slack state, the re-expansion spring 6 5 3 can be post-tensioned by itself. The cassette 6 5 is pushed out. At this time, the front and rear poles 3 1 and 2 3 are at the front strut line 5 6 3 ,

Page 23 1248405 Description of the Invention (20) When the strut line 5 6 4 is loose, it will naturally fall, so that the positioning plate 3 1 3 239 is placed on the cassette 64 and 65, so that the user sits on the top. 'With the front and rear two positioning plates 313, 239, the front and rear two palms 66 4, 6 5 can support the entire weight of the car body and the user. Then, as shown in the thirty-eighth figure, after the last two card winding lines 574, 57 = ^ stop the front and rear two gears 642, 652, the two cards 64, 6 = ^ immersed in the groove; Before and after the two card line 5 7 4, 5 punch a, after him 'one card 掣榫 6 4, 6 5 will be returned from the groove. Gom, as shown in the forty-third figure, when the two cards 64, 65 come back out, if i want to make the front and rear two poles 3 1 , 2 3 change from upwards to downwards, then before and after 1 The strut lines 5 6 3, 5 6 4 must be slackened. At this time, one of the rods 3 1 and 2 3 will naturally fall. At this time, the inclined faces of the outer ends of the two latching plates 3 are 6 4 4, 6 5 4 It will be in contact with the front and rear two poles to the a13, 239 outer end slope, and the second card 64 will be pushed into the groove by the wedge surface of the plate 3 1 3, 239, and the straight plate 3 1 3, 239 after the wedge surface slides over the two card 64, 6 two slopes, the second card 64, 65 will come back again, forming a locking positioning state as shown in Figure 27. As shown in the forty-fourth and forty-fifth figures, the pedal 26 of the bicycle is fixed and side view, and the pedal 26 is disclosed in the dial 221 of the two sides of the bicycle: 22, the pedal 26 includes - The pivoting block 261 6 , the rotating pedal 2 6 2 ; wherein the pivoting block 2 6 1 is pivoted in the disk mouth 2 2 1 by the two side convex shafts 2 (as shown in FIG. 46 ) A 2 β 1 is also provided with a prominent positioning 榫 2 6 3 on both sides, this positioning 榫 2 6

Page 24 1248405 V. Description of the invention (21) 3 is set in the hole, 6 is folded out for the outer edge of the opening 2 2 1 , inside the mouth 2 2 1 , but when the 榫 2 6 3 is facing the hole In the mouth 221 and above, the detailed description is based on the line; however, various changes are made, so as long as they are not included, they belong to the present invention and a re-spring 2 6 5 is provided in the hole; when the pedal 2 is stepped The second positioning 榫 263 will protrude and be locked so that the pedal 26 will not be folded back during the pedaling. When the user no longer uses the pedal 26, the second pressing can be made to make it immersed, and the pedal 26 can be Pull back to achieve the folding function. The preferred embodiments shown in the drawings are intended to be within the scope of the embodiments of the present invention, and the scope of the present invention is not limited by the scope of the present invention. 1248405 Brief description of the drawing [Simple description of the drawing] First figure: A schematic view of the bicycle of the present invention. Second to sixth figures: Schematic diagram of the unfolding and folding action of the bicycle of the present invention. Figure 7 is a schematic view showing the position of the traction device of the bicycle of the present invention. Figure 8 is a full sectional view of the traction device of the bicycle of the present invention. Ninth view: A side view of the traction device of the bicycle of the present invention. Figure 10: Schematic diagram of the rudder and grip of the bicycle of the present invention. Eleventh drawing: Schematic diagram of the front brake of the bicycle of the present invention. Figure 12 is a cross-sectional view showing the structure of the grip of the present invention. Thirteenth Figure: An exploded perspective view of the gripper disc and the main gear of the present invention. Figure 14 is a perspective view of the main gear of the thirteenth figure. Fig. 15 is a perspective cross-sectional view showing the combination of the grip chuck of the present invention and the main gear. Figure 16 is a cross-sectional view showing the gripping disc of the present invention in a locked state. Figure 17: is a sectional view of I-I of the sixteenth figure. Figure 18: It is the cross-section of the sixteenth figure. Figure 19: Schematic diagram of the locking of the main plate and the main gear in the sixteenth figure. Fig. 20 is a cross-sectional view showing the state in which the gripper disc of the present invention is initially unlocked. 〇 The twenty-first figure is a cross-sectional view of the m_n of the twentieth diagram. Twenty-second picture: is a sectional view of IV-IV of the twentieth figure. Twenty-third picture: A schematic diagram of the initial unlocking state of the gripper disk of the twentieth figure. Figure 24 is a cross-sectional view showing the state in which the grip of the grip of the present invention is unlocked.

Page 26, thirty-fifth, thirty-sixth, thirty-seventh, thirty-eighth, forty-fourth, forty-third, forty-fourth, forty-fourth, forty-fifth, forty-sixth, fort, Brief description of the formula: 2: Five figures: a vv sectional view of the twenty-fourth figure. : is the "1-force section view of the twenty-fourth figure. A ...^^14® gripper disc unlocking state is shown = twenty-eighth view: the grip of the present invention is folded. Figure: Schematic diagram of the folding of the cover plate after the bicycle of the present invention. ::: Figure: A cross-sectional view of the cover plate of the bicycle after the present invention. No.: Fig. 2::,: Schematic diagram of the folding operation of the rudder frame of the present invention. The schematic diagram of the rudder frame folding and the front wheel frame folding of the present invention. A fourteenth aspect. A cross-sectional view of the folding mechanism of the front wheel frame and the rotating shaft of the present invention. The schematic diagram of the cooperation between the positioner of the invention and the front and rear poles. The schematic diagram of the positioning device and the front and rear poles of the present invention. A schematic diagram of the action of the front and rear poles of the bicycle of the present invention. The front and rear struts of the bicycle are folded. ^29: Figure 3: Schematic diagram of the folding of the front and rear poles of the bicycle of the present invention. ^ Forty-one figure · The schematic diagram of the front and rear poles of the bicycle of the present invention. Fig. 10 shows the intention of the front and rear wheels after the front and rear poles of the bicycle are folded. The front and rear struts of the bicycle of the present invention are driven to fold the position of the wheel. The schematic diagram of the unfolding process of the front and rear strut of the bicycle of the present invention. The stereoscopic schematic diagram of the pedal positioning of the bicycle of the present invention. A side view of the pedal positioning of the bicycle of the present invention. A sectional view of a pedal of the bicycle of the present invention.

Page 27 1248405 Brief description of the diagram [Description of component symbols] 1 〇: Bicycle 1 1 : Skeleton 1 2 1 : Frame slot 1 3 : Seat cushion 1 4 1 : Hollow slot 2 : Drive 21 : Positioner 2 1 2 ·Drive wheel 2 1 3 : Front lever 2 1 3 b : Magazine 2 1 4 : Rear lever 2 1 4 b : Spring 2 1 5 : Front groove 2 2 : Drive disc 2 2 2 : Rubber rim 2 3 1 : Fixed frame 2 3 3 : Bolt 2 3 5 · Reset gear 2 3 7 : Pivot part 2 3 9 : Positioning plate 2 4 1 : Vice moving wheel 2 5 1 : Connecting rod

1 • Body 1 2 ·· Enclosure 1 2 2 • Positioning 1 4 Front cover 1 5 Handlebar 2 0 Belt 2 1 1 : Shaft 2 1 2 a • Belt 2 1 3 a Rotary shaft 2 1 3 c Beveled surface 2 1 4 a Rotary shaft 2 1 4 c Oblique wedge surface 2 1 6 : Rear groove 2 2 1 • Disc V 2 3 ·· Rear strut 2 3 2 Main gear 2 3 4 Steering gear 2 3 6 Return spring 2 3 8 Oblique Section 2 4 • Rear wheel 2 5 • Rear cover 2 5 2 ;

Page 28 1248405 Brief description of the diagram 2 6 : Pedal 2 6 2 : Rotary pedal 2 6 4 : Projection shaft 3 : Guide 3 1 0 : Hollow frame groove 312 : Oblique cut surface 3 2 : Rotary shaft 3 2 1 : Pivot groove 3 2 3 : Push bolt 3 2 5 ··Pivot rod 3 2 6 ·Pole shaft 3 2 8 : Bead groove 3 3 : Front wheel frame 3 3 2 : Push hole 3 5 : Rudder frame 3 5 1 a : Card bolt 3 5 1 c : oblique wedge surface 3 5 3 : pulley 2 6 1 only block 2 2 3 positioning bolt 2 6 5 composite spring 3 1 : front strut 3 1 1 swivel part 3 1 3 positioning plate 3 2 0 Axis 3 2 2 Push hole 3 2 4 Return spring 3 2 5 Return spring 3 2 7 Cartridge slot 3 2 9 Positioning bead 3 3 1 Groove 3 4 : Front wheel 3 5 1 : Main gear 3 5 1 b : Bolt hole 3 5 2 : Shaft 3 5 4 : elastic bolt

3 5 4 a : Shell 3 5 4 c : Spring 3 5 6 : Pivot 3 5 8 : Bead groove 3 6 : Grip 3 6 2 : Guide bolt

3 5 4b: Positioning bolt 3 5 5 Bearing 3 5 7 Card 掣 Groove 3 5 9 Positioning bead 3 6 1 Rotating gear 3 6 3 Resetting gear

Page 29 1248405 5 7 2 : Rudder shackle 5 7 4 : Front struts 5 5 7 6 : Rear cover 掣 5 5 Bracket 6 1 1 • Detecting a simple diagram 3 6 4 : Return spring 4 1 : Grip sleeve 412 : Spring 4 1 3 b : Brake line 4 3 : Rear brake 5 0 a : Spindle 5 1 : Turntable 5 1 1 : Shake 513: Spring 5 3 : Main gear 5 5 : Sub winch 5 6 1 · Cabin line 5 6 3 : Front strut line 5 7 : Sub-traction line 6 2 : Rudder chuck plate 6 3 : Front wheel frame cassette 6 4 : Front cassette 6 6 : Rear cover card AB AB AB : Folding mechanism 4 : Brake device 4 1 1 : Screw column 4 1 3 a · Brake line 4 2 : Front brake 5 : Traction device 5 0b Countershaft 5 10 Groove 5 12 Plug 5 2 : Main winch 5 4 : Sub gear 5 6 : Main traction line 5 6 February 1j wheel line 5 6 4 Rear strut line 5 7 1 Grip card line 5 7 3 Front wheel frame cassette line 5 7 5 Rear pole card line 5 8 : Substrate 6 1 : cassette 6 1 2 : chamfered surface 6 2 1 : retreating groove 6 3 1 : retreating groove 6 5 : rear cassette 1 , Η 2 : offset distance

Page 30

Claims (1)

1248405 VI. Patent application scope 1 · A self-expanding folding bicycle structure is composed of a body, a driving device, a guiding device, a braking device, a traction device and various locking devices; wherein: the body is supported by a group of overall structures a skeleton, a casing covering the outer portion of the skeleton, a seat cushion disposed at an upper end of the casing, and a front cover plate disposed at a front edge of the casing; the driving device is composed of a positioner and a positioner disposed between the frame a driving disc on the side, a rear strut pivoted at a rear end of the positioner, a rear wheel disposed on the rear strut, and a rear cover disposed above the rear wheel; wherein the driving disc is located below the outer casing; The device is a front strut pivoted at a front end of the positioner, a longitudinal rotating shaft disposed at a front end portion of the front strut, a front wheel frame disposed at a lower end of the rotating shaft, a front wheel disposed in the front wheel frame, a rudder frame disposed at an upper end of the rotating shaft, and The gripper is arranged on both sides of the rudder frame; wherein, after the rudder frame is unfolded, it is erected in the hollow slot of the front cover plate, and after the front wheel frame is folded, the front wheel is introduced into the hollow frame slot of the front strut After the shelf The moving device is composed of a grip sleeve disposed on the left and right grips, a front brake fixed on the front side, and a rear brake fixed on the rear strut; a brake can be used for the front and rear two-wheel brake stop plates and the vehicle The secondary shaft 2 guiding device is a base supported by a plurality of brackets and fixed on the side of the skeleton: fixed to the substrate and the other end is coupled to the turntable after passing through the skeleton: ,:, the main winch and the main on the main shaft The gear, the sub-gear and the auxiliary winch which are arranged on the sub-shaft and arranged on the counter-shaft, the card-carrying device, comprises a grip plate, a snake frame, a front wheel frame Page 31 1248405 Sixth, the scope of application for the patent card, the support card, the rear support card, the 禅 盍 盍 ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; , the second two traction lines, the line is connected with the various card device; and the Tianzhu traction main and auxiliary?引引 :::: Rotating the turntable and rolling the main and auxiliary traction lines, and then pulling the folding parts and the card w I by the field vf to make the car body fold and fold in the outer same. In order to form the re-expansion of the re-opening of the second line in each of the folding parts, and use the bicycle. Zhang Bo 1r returns to 'to make the car body automatically expand to L such as! In the self-expanding folding bicycle structure described in the first paragraph of the patent scope, the rear end of the upper end of the outer casing is provided with a handlebar. 3. Please refer to the self-expanding folding bicycle structure described in the first or second patent scope of the patent. The outer edge of the rear wheel cover is provided with a handlebar. 4 · The self-expanding folding bicycle structure as described in the scope of the patent application, wherein the 'turntable is embedded in the frame groove of the outer casing, and the outer wall is provided with & a groove of the handle, the bottom end of the handle is pivoted with a plug, and the plug is inserted into the hole of the side wall of the groove and has a magazine attached thereto; and a frame symmetrically matched with the hole is preset on the wall surface of the frame groove of the outer casing The self-expanding folding bicycle structure according to claim 1, wherein each of the folding parts refers to a front wheel frame, a rudder frame and a rotating shaft. The folding mechanism of the end; the front strut, the rear strut and the folding mechanism of the front and rear ends of the positioner. 6 · Self-expanding folding bicycle knot as described in claim 1 of the patent scope. Page 32 I248405 The sub gear of the traction device is a half gear. 7 • The self-expanding folding bicycle as described in the scope of claim 1 “The main traction line includes: the cabin line, the front wheel line, the front strut line, and the rear strut line. 8 · If the scope of the patent application is ', the branch line of the auxiliary traction line, the front wheel frame cassette line, and the front pole board card line. The self-expanding folding bicycle knot of the first item includes: a gripping card line, a card holder card line, a rear rod card line, a rear cover structure, wherein the screw is inserted into the screw groove. In the other end of the gripping line 10 structure, the line; and then the cassette can simultaneously wear the 1 1 structure, which is provided with a bolt groove protruding card plug as the application, the grip put the outer end into the grip, and the screw; Separately with • such as Shenzhong, the main card line, and the main teeth • such as Shenzhong, the card 'this bolt can be inserted into the groove treadle main gear fixed to a spiral column, the guide end of the guide bolt to brake the patent The inner end of the range is provided with a grip sleeve inside, and the front and rear wheel frames of the spiral column are also provided with a spiral column. The shaft of the patent range gear and the main gear have a flexible cam and a cassette. The disc and the shaft end have one of the self-steering gears, and the inside of the grip sleeve is provided on the grip spring, and the other end of the bullet is connected to the brake. In the rudder frame, the elbow section is matched between the two items mentioned in the ninth item. In addition, the main gear-expanding legs and the protruding spring on the inner wall of the rudder are held by the brake wire. Self-expanding folding pulley for the side end, the inner wall of the cassette, which is convexly fixedly combined. Self-expanding folding bearing, chucking disc The main gear wheel is provided with a bolt hole for the bicycle moving wire around the bolt end of the bicycle surface of the bicycle is provided with the aforementioned bolt groove 1248405 Sixth, the patent application scope corresponding to the loose groove, the side end of the bolt hole is also provided with a wedge surface 1 2 · The self-expanding folding bicycle structure as described in the first paragraph of the patent application 'where the elastic bolt is composed of one The hollow shell, a clamp bolt that shuttles into the shell and a spring that is disposed in the shell and used to abut the plug. ^ 1 3 · The self-expanding folding bicycle according to the scope of claim 9 is provided with a reset gear and a pointing spring on the opposite side of the 'coaxial steering gear. Wenyu 4 structure, its use, the card gear, the gear side end 15 structure, it has a pivot rod, the groove, and the inner wall of the groove on the card tray is also provided with a bead hole, push bolt 16 car structure, there is a reset bomb • If the application is for special, the rear side of the rear pole is provided with a return spring, and the card is also required to apply for the special, the rudder and the rudder on the shaft, and the boring plate has a push hole and a push groove. In the bead groove, the bead groove, the fixed • If you apply for it, you are in the spring. The inner wall of the first inner wall of the profit range is provided with a main gear, and the disk in the folded end planting groove of the 1J wheel frame of the first cover of the first cover of the Karli range is disposed in the holes of the two side walls of the card and is further provided. A positioning bead corresponds to the elastic groove of the self-expanding fixed frame of the first groove and the pivotal point of the range, and the connecting line is arranged below. The self-expanding structure described in the item is: pivot pivoting; in the gutter, the card has a retreating slot, and the rudder bead; and the rudder bead; the above-mentioned gap in the same rotation 5 is folded into a device steering tooth. The rod fixed-type folding rudder frame bottom rod inner rod 掣 line and the rotating shaft frame pivot rod retreating groove turning radius is folded, and the pivoting bicycle treading wheel and the turning bicycle end are provided with a card winding. The two sides of the upper side of the raft are pushed up. Stacked foot shaft Self-expanding folding bicycle as described in claim 1 1248405 VI. The structure of the patented scope, wherein the bottom end of the rotating vehicle has a pivotal rod, and the upper end of the front wheel frame is configured as a pivoting device, and the locking groove is arranged at the bottom of the rotating shaft, and the clamping jaw and the pivot pivot Connected; the two side walls of the disc in the pivot bar are also provided with a retreating slot and the shell 2 is on the card slewing plate, and another push-pull hole is provided, and the pushing hole is further provided with a push bolt; and ^2, the inner wall of the pivoting groove of the operation is provided with a push The groove is provided with a positioning bead. The two side walls of the zone are also provided with bead grooves, and the bead positioning beads correspond to the phase: push hole, push check, bead groove, and the like. Slot] to ^; self-expanding folding foot to reset the impeachment. In the gap between the price and the Xiangxiang, the pivot also has a gentleman's spectrum 1 i by the syllabus: Ming Fli range, the self-expanding folding bicycle described in item 1 @ii η - the clamper passes a shaft through two The side frame and the two sides of the driving disc μ and the shaft are provided with a driving wheel, and by the belt and the rear wheel of the β^, the rear end of the rear side of the squatting person is respectively provided with a front lever dry ^ the end of the rotating rod is The chamfered surface, and all extend one turn: = the spring is also sighed on the shaft. 'The front and rear poles are provided with a pivoting portion at the end, and the 'zone 5 is on the rotating shaft, which has a chamfered surface to the front and rear. The chamfered surface of the rotating rod corresponds to each other, and the front and rear positioning portions of the front and rear turn portions respectively extend out of the front and rear positioning plates. 2 0 · The self-expanding folding bicycle f structure according to the scope of claim 19: wherein the front and rear two rods are respectively disposed in the rear groove of the positioner (1), and the bottom end thereof The tooth is arranged to align with the gear, and the gear can be rotated by the winding of the front and rear latching lines, and the rear end of the second latch has the double spring. Page 35 1248405 VI. Scope of Patent Application 2 1 · The self-expanding folding bicycle structure described in claim 19, wherein the outer edge of the driving disc is provided with a rubber rim. 2 2 · The self-expanding folding bicycle structure according to claim 19, wherein the long sliding key is matched between the shaft and the driving wheel, so that the driving wheel can be on the long sliding key along with the displacement of the belt. Slip. The self-expanding folding bicycle structure according to the first aspect of the invention, wherein the pedal system is disposed in the opening of the driving disc on both sides, and the pedal comprises a pivoting block and a rotating pedal. 2 4 · The self-expanding folding bicycle structure according to claim 23, wherein the pivoting block is pivotally disposed in the disk mouth by the two side convex axes, and the pivoting block is further provided with protruding positioning on both sides of the pivoting block. The positioning 榫 is located in the hole, and the hole is provided with a plurality of magazines. Page 36