TW480230B - Foldable bicycle - Google Patents

Abstract

A foldable bicycle can be folded to form a shopping cart and can be further folded to a more compact size for carrying and storage. The bicycle can move freely on the ground after being folded, requiring no great effort in moving the folded bicycle. The foldable bicycle includes a front wheel assembly and a rear wheel assembly. The front and rear wheel assemblies are connected together by a connection rod so that the rear wheel can be positioned aside the front wheel and secured together to complete the folding operation. Seat cushion and foot pedals of the foldable bicycle can be folded to minimize the folded size of the bicycle.

Description

480230 V. Description of the invention (1) [Technical Field] The present invention relates to a foldable bicycle, and more particularly to a foldable bicycle that can be unfolded and driven by electricity to save manpower; or it can be folded to a minimum volume to facilitate carrying and storage; and A multi-function folding bicycle that can be pushed into a shopping cart to facilitate the delivery of supplies after folding. [Previous technology] The development of conventional folding bicycles has a long history so far, and it mainly provides the user's mobility function 'to allow users to save time and physical strength in short distance trips, so research and development can always last. Although the conventional folding bicycle structure has been improved for a long time, there are few breakthroughs so far in the improvement department, so that the functions of these conventional folding bicycle structures can not be refined, so it is still unfortunate to develop so far. The main drawbacks of the conventional folding type are as follows: 1. The conventional folding type bicycle has too many indispensable structures due to its structure. The indispensable device 'causes its folded volume and weight to be quite amazing. When the conventional folding type is used, After finishing the folding, the storage or second transportation becomes a difficult problem. 2. The conventional folding bicycle becomes a non-functional item after being folded. For a modern society that is worth the money, it is not profitable to place a useless item. 3. The conventional folding bicycle is easy to be stolen when parked outside, and it is carried with you. Therefore, the user must first confirm that the destination can be sold. People who find their favorite items on the way can sell them.

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V. Description of the invention (2) Unable to purchase immediately, causing users' regrets. 4. According to the foregoing fact, 'the use efficiency of conventional folding bicycles takes up space', it destroys the beauty of the environment and does not meet the needs of modern life. It can be seen that there is still much room for improvement in the above-mentioned conventional articles, and it is worth concentrating on developing and overcoming them. In view of the various shortcomings derived from the above-mentioned conventional vehicle, the inventor of this case believes that non-breaking progress cannot be achieved. It is the eagerness to improve and innovate, and after years of hard work and dedication, finally successfully completed the development of this piece. Folding bicycle. Nine [Objective of the Invention] The purpose of the present invention is to make the folding effortlessly carry in a lightweight car body. Therefore, the other purpose is to act as a vehicle for the user. Malfunctions also have great flexibility, and they must be prepared to purchase another purpose. It must be considered that parking problems can directly affect and help. Another purpose of the future is to provide the maximum travel of the vehicle body space. To provide a folding bicycle, the rear body can be dragged on the ground, so that even the weak people can easily operate it. In order to provide a folding bicycle, the folding bicycle is used so that a user can drag it to a shopping cart. The purpose is to provide a foldable bicycle, which can be used with ease, even if the vehicle body does not have to stop halfway. For the physical and mental relaxation of the user, the purpose is to provide a foldable bicycle with electric drive function, so it can be effectively used Electric without adding too much weight.

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V. Description of the invention (3) Another object of the present invention is to provide a folding bicycle, and the folding method can be applied to any motorcycle, bicycle, or even scooter, in order to exert the aforementioned advantages.口 口 [Preferred embodiment] Please refer to FIG. 1 'a folding bicycle provided by the present invention, which includes: a wheel set 1 having a front wheel 12 which is connected upward from a shaft 123 and has a front wheel 12; A front frame n, a steering shaft 16 is connected to the upper end of the front fork frame u, and a steering handle 17 is inserted above the steering shaft 16. The steering handle 17 is connected to the steering shaft 16 and the front frame π to control the front wheel. 12 steering action; a handle bolt lock ring 161 is provided at the joint end of the steering shaft 16 and the steering handle 17 'The handle bolt lock 16 is controlled by a handle bolt 162, so that the steering handle 17 can be inside the steering shaft 16 Adjust the height; and the steering shaft 16 is sleeved on the outside. A sleeve 15 is provided on the sleeve 15, and a fixing ring 151 is provided on the sleeve 15. The fixing ring 151 is fixed to the sleeve 15 through an axis 153 and can swing up and down. 'And its position is locked by a fixing bolt 152; a ring groove 131 is arranged below the sleeve 15 to accommodate a later-mentioned curved surface patch board 375. A rear wheel set 2 having a rear wheel 21, and a main frame 37 extending from the axis of the rear wheel 21. The front end of the main frame 37 has a curved surface plate 3 75, and the lone surface plate 375 can be dense. It is affixed to the sleeve 15 so that the lower end of the arc surface patch plate 375 is embedded in the ring groove 131, and is pressed down by the fixing ring 151 and then locked with a fixing bolt 152; a fixed latch is provided beside the arc surface patch plate 375 377 (please refer to FIG. 7 is provided with a position corresponding to the steering handle 17 of the fixed latch 3 77

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The fixed cover plate 175 can be adjusted when the main frame 37 is bent upward, and the 17 is moved downward to fix the fixed cover plate 175 on the fixed bolt 377. The lower end of the main frame 37 is provided with a pedal. Seat 31, the upper hub of the pedal seat 31, and a pedal 3, which is controlled by two pressure plates 32 to be bent and attached to the main frame 37 (see FIG. 8); and a tongue is provided beside the rear wheel 21. The plate 78 is provided with a buckle groove 18 beside the front wheel 12 relative to the tongue plate 78, so that the tongue plate 78 can be locked in the buckle groove 18; the rear wheel 2 is provided with a pair of rollers 23 above, when When the main frame 37 is bent upwards, the roller 23 can be used to assist in standing and cooperate with the front wheel 12 and the rear wheel 21 to form a trolley structure. A parking frame 79 is provided at the end of the main frame 37 for supporting when the bicycle is parked. A cushion 6 is connected with a cushion rod 61 below, the cushion rod 61 is inserted into a cushion rod sleeve 63, and there is no elasticity at the connection between the cushion rod 61 and the cushion rod sleeve Lever 62, so that the seat cushion 6 can be adjusted in height by the seat cushion rod 61 in the seat cushion sleeve 63, and then locked by the elastic rod 62; a fixed seat 65 is provided at the bottom of the seat sleeve rod 63 The fixing base 65 is fixed on a base 66, and the base 66 is fixed on the main frame 37, so that the seat cushion 6 is folded forward by the fixing base 65 and is closely attached to the main vehicle. The fixing secret has an elastic hook 67 at the end, which is opposite to the surface of the main frame 37 of the hook 67 and is further provided with a fixing point 378, so that the hook 6 can be locked into the fixing point 378 and locked. A ballast 136 has a connecting rod front joint 135 at the front end. The connecting rod front 135 is swingable by being inserted on a connecting rod front seat 13 with a shaft pin 133. The 3 connecting rod front seat 13 is sleeved and fixed on the sleeve. 15, the front link of the connecting rod ㈣ 仵 is rotated with the sleeve 15, the rear end of the connecting rod 136 is provided with a connecting rod rear joint

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137 'The connecting rod rear joint 137 is inserted in a universal joint 3 71 with an axis 372' The universal joint 3 71 is fixed on the main frame 37 so that the connecting rod 136 can also be opposite The main frame 37 rotates. A drive circuit includes a battery 57A, which is installed above the rear wheel 21 to supply power; a motor 5, which is installed at the lower end of the main frame M, to drive the rear wheel 21 to rotate; and the motor 5 can also be arranged on the front wheel set 1 'for driving the front wheel 12 to rotate to exert the bicycle driving function; a grip accelerator 1731 is attached to an accelerator fixing seat 173 at the grip of the steering grip 17 and An acceleration cable 176 is connected to a control box 165 described below to control the rotation speed of the motor 5. A control box 1 65 is fixed on the front frame 1 'to collectively control the functions of the battery 57A, the motor 5, and the grip accelerator 1731. 'The control box 16 is activated with a key 16 6 and its outer cover is covered with a cover 1 6 9. : Please refer to Figure 2. A mudguard cover 121 is set above the front wheel 12, the outer cover of wheel set 1 is provided with a decorative cover 11 7 and the rear wheel set 2 is also provided with a decorative cover 25 to beautify the appearance. At the same time, it has the function of protecting parts inside the bicycle. The rear wheel 21 is provided with an auxiliary grip 231 to assist the user in lifting the bicycle for transportation. Please refer to FIGS. 3 to 5. When the present invention is folded, the fixing bolt 152 is first loosened to swing the fixing ring 151 upward, and then the steering grip 17 and the seat cup sleeve 63 are held with both hands. Then, the main frame 3 can be lifted upwards and the connection between the front wheel set 1 and the rear wheel set 2 is maintained by the link 1 3 6; and then the main frame 37 and the rear wheel 21 are moved to the front wheel set 1 Side 'so that the front wheel 12 and the rear wheel 21 are side by side, and the tongue plate 78 is inserted into the buckle is

Fifth, the invention description (6) a "quot --- 2 疋" and then loosen the handle bolt 1 62 and turn the steering handle 1 7 times # ^ ^ ^ HAI fixed sleeve plate 175 on the fixed bolt 377 is strengthened and fixed, and the lock lever 162 is re-tightened and fixed; finally, press the lever 68 to fold up, together with the seat cushion rod 61 and the seat cushion sleeve 63, close to the main frame. The elastic hook 67 is fastened into the fixing point 378 to complete the fixing. Borrowing, paring = foldable structure, the user can hold the steering handle 丨 7, the Wenzhou wheel 1 2 ·, the rear wheel 21 contact the ground and rotate to form a traction mobile = foldable vehicle, more Enhance the stability of steering and movement by two auxiliary rollers 23

When the Tian user wants to unfold the bicycle to perform the line function, first press the handle 6 72 to disengage the elastic hook 67 from the fixed point 3 78, so that the seat cushion 6 and the seat post 63 can be separated from the main frame 37. Unfold it, then move the steering grip 7 upward to disengage the fixed sleeve 175 from the fixed latch 377, and then press the button 7 to be described below to disengage the tongue 78 from the buckle groove 18, let the rear wheel set 2 re-expand, and finally make the curved surface stick The plate 37 5 is attached to the sleeve 15, so that the lower end of the arc surface plate 375 is embedded in the ring groove 131, and then fixed by the fixing ring 151 outside the arc surface plate 375: 'and the fixing bolt 152 is completed. , #This will unfold the rear wheel set 2 to form a rideable bicycle.

Please refer to FIG. 5, FIG. 6 (A), and FIG. 6. The steering grip η of the present invention can be partially or completely bent to reduce the size to a small size in cooperation with the folding body. As shown in the figure, the grip is attached to the left-hand grip 71, and the left-hand grip 171 is pivotally connected to the steering grip 17 with a steel pipe 1711 structure; wherein the steel pipe 1711 has projections 1712 extending outside, A flammable piece 1716 is provided at the opposite end of the “steering grip”, so that the clip piece 1716 is clamped into the projection 1712.

480230 Description of the 5 'invention (7) and a shaft screw inspection 1 7 1 3 wear-in combination, and a locking lever 1 71 5 to control the locking; in this way, the left-hand grip 71 can be relative to the The steering grip i 7 is bent, and the joint is locked or loosened by the locking lever 1715. The other end of the shaft bolt 1 713 is provided with an adjusting nut 1717 to control the left-hand grip 1 and the steering grip 17 In addition, a spring 1719 ′ 511 is provided in the bent portion of the steel pipe 1711, and a spring pin 1718 is inserted and fixed in the steel officer 1711, so that the steering movement of the left-hand grip 171 is more reliable. Please refer to FIG. 7 'Matching with the left-hand grip 1 71 bending function setting' The fixed sleeve plate 175 is provided on the right-hand acceleration fixing seat 173 of the right-hand grip accelerator 1731, and the curved surface plate 375 is fitted with The setting of the fixing pin 3 7 7 enables the ai fixing plate 1 7 5 to be sleeved and fixed on the fixing pin 3 7 7. In addition, in accordance with the bending structure of the present invention, the power line 51 used in the driving circuit and the brake line 172 of the vehicle body are extended into the main frame 37 'so as to avoid the interference of each line body when the vehicle body is bent. The absence of the power line 51 and the brake line 172 are simple applications, which are not described in detail here. Please refer to FIG. 8 (A) and FIG. 8 (B). The aforementioned pedal 3 is pivotally mounted on the pedal base 31 with a shaft bolt 311, and the pedal base 31 is fixed on the main frame 37 with a screw 312. The pedal 3 is bent relative to the main frame 3 7; a pressure plate 32 is fixed on the pedal 3 by a pressure plate shaft 321, and the pressure plate 32 is connected by a spring pin 3 2 2 to push a fixed pin 3 2 7 A spring 325 is sleeved on the fixing pin 3 2 7, and a washer 323 · is provided at the connecting end of the fixing pin 327 and the pressure plate 32. The fixing pin 3 27 is usually inserted into the pedal seat 31 to fix the pedal 3. When the bicycle of the present invention is folded, the pressing plate 32 is pushed down to push the X squeeze fixing pin 327 away from the pedal seat 31, so that the pedal 3 can be folded and

480230 V. Description of the invention (8) Close to the main frame 37 to complete the folding bicycle with the smallest volume. Please refer to FIG. 9 (A). The fixing base 65 is fixed at the lower end of the seat post sleeve 63 and is in contact with the base 6 6. The base 6 6 is pivotally connected with a base axis 6 6 5. A pressing rod 6 8 is provided on the bottom and 6 6. The pressing rod β g is inserted on the base 66 with a pressing rod axis 681, and the end of the pressing rod 68 is inserted into the top pin 6 with an elastic pin 662. The lower end of 6 1 is provided with a spring 6 6 3 at the lowermost end of the ejector pin 6 6 1; the end of the ejector pin 6 61 is usually inserted into the fixing seat 65 'when the bicycle is folded down. 8. Drive the ejector pin 661 out of the fixed seat 65 with the connection, and then the seat post sleeve μ can be pressed down.

Close to the main frame 3 7 and let the hook 6 7 snap into the fixing point 3 7 8 to fix it. Please refer to FIG. 9 (B). The hook 67 is pivotally mounted on the fixing base 65. The pivot joint ^ is provided with a full spring 6 7 1 and the end has a pressure handle 6 7 2. When the user presses After pressing the handle 672, the card 67 can be released from the fixed point 378, and the bending action of the seatpost sleeve 63 is set. After the handle 6 72 is relaxed, the hook can be hooked by the spiral spring 67. 67 bounced back.

Please refer to FIG. 10 and FIG. 11. The buckle groove 8 has an arc-shaped opening, and a hook 72 is provided behind the arc-shaped opening 18. Above the hook 72: there are buttons 7, which are guided by two branches. The column 71 restricts the stroke and controls the reply with a spring yellow 76, and the bottom of the button 7 and the hook 72 are provided with an inclined surface ν, and the tongue plate 78 is provided with a fastening gap 781 relative to the hook 72; when the tongue plate γ Through the arc-shaped opening 丨 8】 When placed in the buckle groove 丨 8, the hook 7 2 ^ mouth can be made on the closing gap 781 to complete the knot a of the front wheel group 丨 and the rear wheel group 2 when the When the button 7 is depressed, the hook 72 is pushed out of the engaging gap by the inclined surface N

480230 V. Description of the invention (9) _ 181 Even if the tongue plate 78 leaves the buckle groove 18, the spring 76 will be used to return the stage 4 7 to its original position. Please refer to Fig. 12 (A) and Fig. 12 for the push button 7 of the ping pian. The present invention can also be provided with an upper hook 167 and a lower hook 68 on the 16th, 19th, luggage or canvas bag, etc. The invented bicycle is used as a shopping cart. And the action can be folded. Please refer to Figure XIII. For the weaker individuals such as the old, weak, women and children, hold the front and rear wheels with two hands! Therefore, the present invention can adopt another folding method, that is, the 21-roller roller 23 gu * 工 # The custom car can be rear wheel 1 ^ ^ ^ ^ to easily complete the operation of the present invention :. It can be folded, and any user can refer to Figure 1. The present invention can use another battery 57b 57B and the aforementioned battery 57a, which can be used in conjunction with self-powered broadcasting, or use the battery at the same time. 5? A, 57B, in order to provide more ^ ^ period of respect. The battery 5 ^ is installed on the main frame 37, the basin, and the electricity, also due to the U fixing rod 376, and the battery 57b is fixed or removed by operating the battery fixing bracket 37. [Features and effects] This is compared to a folding bicycle, which is the same as the conventional techniques ... u flat and 4, it has the following advantages: 1 · This invention can be a bicycle when it is unfolded, and the bicycle industry is closed when it is folded. Never; = car 'for pass

Page 12 V. Description of the invention (10) 2.::=Effortless handling 'and has good driving popularity. The user rides improvisedly, and travels freely in the sky, without having to do anything, even whim, and can be folded and walked on foot: Taste it! Drought = Freedom in the Steps. For modern people with heavy pressure, it is a joy Leisure. 4. The stacked structure can be applied to any motorcycle or bicycle, and it has excellent functions for riding when it is unfolded. . To: Ϊ: ΪΪί: will not be as small as bicycles, locomotives, etc., and can be implemented effortlessly. Use 7+ local cars or buses to add more ... For-can be implemented and has excellent performance ^ has :: a physical sample to prove it Please take appropriate consideration. The product is shown in the attached photos 1 ~ 4. The above list of δ Yang Xi 5 is for the private day y Ming, but this embodiment is not a specific example of a viable embodiment. It is not too specific. Μ L: The patents for making this invention are within the scope of the patents that have not yet been filed. The changes should be included in the above summary, this is fortunate; + u has not been found after folding can be made =; = = up: belongs to ㈣ 'since the market: =: work; should be fully consistent with the novelty and =: = Ming patent requirements, Ling applied in accordance with the law, and ask your office to check;

480230 V. Description of the invention (11) Patent application to encourage invention, to the utmost convenience.

Page 14 For a brief description of Type I, please refer to the following drawings of the present invention, which will further understand the present invention: = Implementation: The detailed description of the implementation and the drawings related to this embodiment are: intraoperative valley and its purpose Efficacy; Fig. 1 is a folding bicycle club of the present invention, Fig. 2 is a decorative drawing of the folding bicycle, and Fig. 4 is a fancy view of the folding bicycle. Figure 6 (B) of the bending action of the steering handle of the folding bicycle. Figure 6 (B) shows the folding bicycle ^; the sound of the bending structure of the early steering handle; 7 is the fixing of the main frame of the folding bicycle Structure sound diagram. ㈡ 八. Figure 8 is a schematic diagram of the pedal of the folding bicycle; Figure 8 (B) is a schematic diagram of the pedal structure of the folding bicycle; Figure 9 (A) is a schematic diagram of the folding and fixing of the seat of the folding bicycle; Figure 9 (B) is a schematic view of the structure of the hook after the view of Figure 9 (A); Figure 10 is a schematic diagram of the buckle structure of the front wheel set of the folding bicycle; Figure 11 is a buckle of the front wheel set and the rear wheel of the folding bicycle Schematic diagram of the combined action; Figure 12 (A) is an example of the shopping basket setting when the folding bicycle is unfolded; Figure 12 (B) is a schematic diagram of the folding bicycle folded into a shopping cart

Page 15 480230 Brief description of the drawing Figure 12 shows another folding action of the folding bicycle [representative symbols of the main parts] 1 1 front wheel set. 11 front fork frame 117 decorative cover 12 front wheel 121 mud cover 123 shaft center 13 Rod front seat 131 Ring groove 133 Shaft pin 135 Connecting rod front joint 136 Connecting rod 137 Connecting rod rear joint 15 Sleeve 151 Fixing ring 152 Fixing bolt 153 Shaft 16 Steering shaft 161 Handle lock ring 162 Handle lock lever 165 Control box 166 Recording key 167 Upper hook 168 Lower hook 169 Cover 17 · Steering grip 171 Left hand grip 1711 Steel tube 1712 Bump 1712 Axis bolt 1715 Locking lever 17H 丨 Clip 1717 Adjustment nut 171 i Spring top pin 1719 Spring 172 Teach * Car line 173 Accelerator mount 173] 'Grip accelerator 175 Fixing sleeve 176 Acceleration cable 18 Buckle groove 181 Arc opening π 19 Storage basket

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480230 Brief description of the diagram 2 Rear wheel set 21 Rear wheel 23 Roller 231 Auxiliary grip 25 Decorative cover 3 Pedal 31 Pedal seat 311 Shaft bolt 312 Screw 32 Pressure plate 321 Pressure plate shaft 322 Spring pin 323 Washer 325 Spring 327 Fixing pin 33 Pedal 34 Driving wheel 35 Chain 37 Main frame 371 Universal joint 372 Axle 373 Buckle 3 75 Curved face plate 376 Battery fixing rod 377 Fixing pin 378 Fixing point 5 Motor 51 Power cord 57B Battery 57A Battery 6 · Seat pad 61 Seat pad Rod 62 Elastic rod 63 Seat rod sleeve 65 Fixing seat 66 Base 661 Ejector pin 662 Spring pin 663 Spring 66 5 Base shaft center 67 Hook 671/1 1/2 shape spring 672 Press lever 68 Press lever 681 Press lever axis 7 Press 71 Guide post 72 hook

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Claims (1)

The scope of the patent application for a folding bicycle includes: ^ The wheel set 'it has a front wheel, the front wheel is connected to the rigid fork frame from the shaft center', the upper end of the front fork frame is connected with a steering shaft, and the steering shaft is inserted There is a steering grip, and a sleeve is sleeved on the outside of the steering shaft. A fixing ring is provided on the side sleeve. The fixing ring can swing up and down, and its position is locked by a fixing bolt. A ring is arranged below the fixing ring. Slot; a rear wheel set with a rear wheel, extending from the rear wheel axis to a main frame 'the front end of the main frame has a curved surface patch, which can be closely attached to the sleeve of the front wheel set The lower end of the arc surface plate is embedded in the ring groove, and the fixing ring sleeve is placed on the outer buckle of the arc surface plate to be fixed with a fixed bolt; and a tongue plate is provided beside the rear wheel, A buckle groove is provided beside the front wheel of the tongue plate, so that the tongue plate can be locked in the buckle groove and locked; in addition, a seat cushion is provided at the upper end of the main frame, and an I end of the main frame is provided with Support the foot pedal and set at the end of the main frame There is a parking rack to form a rideable bicycle structure; connected to 4 trunks, one end is pivotally provided with a link front seat, which is sleeved on the sleeve = rotatable, and the other end of the link is provided with a universal joint It is fixed on the main frame, so that the front wheel set and the rear wheel set are separated and separated from each other by folding; a driving circuit is placed on the steering grip, and the grip box is driven by the control box. The rear wheel of the motor rotates to produce a bicycle enemy. It includes a grip accelerator, which is connected to the accelerator and has a control. The motor can be used to drive the front wheel or action, and the horse is provided with a battery. Page 19 480230 Reach the power. 2 · If the slot is hooked in the setting slot, the rear wheel will be snapped back into the original slot. 3.If you apply for axial grip fastening, please patent the arc with a button at the top and a knot at the bottom. The patent and steering handle can be provided behind the arc-shaped opening of the folding bicycle-shaped opening described in item 1 of the fixed 0 'button. The button is-elastic: notch i; there is a bevel' and the tongue is opposite to the hook Two cards: = Two On the snap gap, when the front wheel set and the button are pressed down, # the hook is pushed out from the inclined surface by I7 to release the tongue plate from the buckle slot, and then the button is pushed by the spring. The folding bicycle according to item 1 of Kuiwei, wherein the joint end of the turning grip is provided with a handle lock ring ', so that the height of the steering shaft is adjusted, and finally the handle is locked with a lock 4. The folding bicycle according to item 丨 in the scope of the patent application, wherein a seatpost is connected to the seat = below, and the seatpost is inserted into a seatpost cover to adjust the height, and An elastic rod is arranged between the seat cushion rod and the seat cushion sleeve, so as to fix the height of the seat cushion; the seat cushion sleeve is tied on the fixed seat; the fixing seat is pivotally arranged on a base. Bottom ', it is fixed on the main frame, so that the seat cushion has to be closely attached to the main frame by bending the fixing seat forward, a pressing rod is arranged on one side of the base, and the pressing rod pushes a top Pin, the end of the top pin can go deep into the fixed seat, and a spring is provided at the end of the base to provide a return. When the pressure rod is stressed, the top pin can be moved out of the fixed seat, and the seat post sleeve can be folded down to complete. Of cushion Page 20 480230 6. Scope of patent application 6 · Collapse; and the front end of the fixed seat has a hook, and a fixing point is provided relative to the surface of the two frame of the card, so that the hook can be buckled into the ^-the owner of the fishing is as described in the first scope of the patent application A folding bicycle, in which a steering sleeve is provided on the steering grip of the upper wheelset, and a fixed bolt is provided next to the face plate, when the main frame is bent upward ^ The fox can be fixed on the fixing bolt to strengthen the fixing. 'As described in the patent application for the folding bicycle, item lc L /, T The pedal is pivotally mounted on a pedal seat fixed to the main frame, and the pedal can be bent and attached with a _ pressure plate To the main frame, the pressure plate i on the pedal controls a fixing pin, which can penetrate deep into the pedal seat and is placed on the fixing pin with a spring ^ to control the recovery. When the pressure plate is stressed, it can make the = Λ The pin leaves the pedal seat to complete the folding of the pedal. The folding bicycle according to item 1 of the scope of patent application, wherein the grip of the steering grip is provided with a shaft bolt, and one end of the shaft bolt is provided with a locking rod. When the shaft bolt is relaxed, The grip end f can be bent to reduce the volume. 8. The foldable bicycle according to item 1 of the scope of patent application, wherein an auxiliary grip is provided above the rear wheel to facilitate carrying by the user. 9. The foldable bicycle described in item 1 of the declared patent scope has a cover on the surface to protect the parts and increase aesthetics. 10 · As for the folding bicycle described in item 1 of the scope of patent application, the front wheel set can be hung with a shopping basket, a suitcase or a canvas bag. 11. The folding bicycle according to item 1 of the scope of patent application, wherein a roller is arranged above the rear wheel to assist the folded bicycle to stand or tow Page 21 480230 6. Scope of patent application OK. 1 2 · The foldable bicycle according to item 1 of the scope of patent application, wherein the battery is installed above the rear wheel. 1 3. The folding bicycle according to item 1 of the scope of patent application, wherein the battery is installed above the main frame. II ·! Page 22