TW589266B - Collapsible bicycle - Google Patents

Abstract

Disclosed is a collapsible bicycle, including: a front wheel assembly, a rear wheel assembly, and a seat assembly. The rear wheel assembly includes a main frame extending from the rear axle and capable of being quickly and precisely fastened to or detached from the front wheel assembly. A link is pivoted between the front wheel assembly and the main frame to prevent the front wheel assembly from separating the rear wheel assembly. When the main frame is detached from the front wheel assembly, the rear wheel assembly may be directed forwards in a parallel manner to be fastened to the sides of the front wheel assembly, subjecting the front and rear wheel assemblies in a side-by-side manner. The seat assembly may be folded to approach a location between the front and rear wheel assemblies, such that the three assemblies would assume a vertical configuration after being affixed in place. The rear wheel assembly may further be provided with rollers to turn the bicycle body into a stroller after collapsing. The assembled stroller may further be provided with a seat for riding, or a baby seat to serve as a baby stroller, or other accessories to allow various applications.

Description

— 一 __ 丨 15. Description of the invention (1) [Technology to which the invention belongs The invention relates to a vehicle body that can be quickly folded into another body and can be turned into a stroller or a stroller. Function [Prior technology] The use of folding has become a fragmented car body, and human removal has become the 88th application for the benefit of our country. The two cases can be carried by the user after folding. After all, it still has functionality that lets you take risks. The inventors have done so far, and they can get better results. The average person is interested in volume reduction and easy assembly. After a long period of no function, the volume is light.] Bicycles that can be folded into seats or strollers. It is a rideable bicycle, and when it is needed, it is more compact and more compact; it does n’t take up space and can be used, = seat functions and shopping carts, trucks, and foldable bicycles that are not used for the purpose.俾 Folding bicycles suitable for most people are also provided. Although the volume of the vehicle is reduced after it is folded, it does not have any other functions after being folded, and it must be used for transportation. And if the inventor of the present application previously applied for No. 119 and No. 89106127, in addition to folding the bicycle to the minimum volume, it can move more easily. Unfolding the folded bicycle needs to be convenient for the old and the weak. Both can be used smoothly; and the addition of shopping carts and other functions will make folded bicycle users happy to carry, and at the same time reduce parking theft, there is still no slack, and continue to develop products for the bicycle research and development workers to benefit the people. The requirements of the bicycle, which were researched by the inventor, are nothing more than lightening weight and adding more functions. For this reason, the inventor has dedicated his thoughts to experiments and ideas, and has finally been able to complete this project, which has many convenient combinations that can be folded into a seat or a stroller.

Page 5 589266 V. Description of the invention (2) Driving. Compared with the conventional technology described above, the "Ming" is fast in the front section of the main frame, and the snap-in mechanism allows the bicycle to be folded into a lighter volume, and the overall assembly structure is simple & 'especially when the front and rear wheels are side by side when folded The buckling mechanism is simplified to use only-plug board and-socket, making it lighter. And the present invention can be easily adjusted after being folded. The stability of life is convenient for the user to force: Dew = Two: Lee: Use as a seat or stroller ... It can be folded into a baby when shopping. [Invention Purpose] The purpose of the present invention is the ancestral place ^ „single, and can be used for a variety of purposes: =: = stacking fast, multi-function folding by snapping parts and other vehicles, self-contained: into a chair straight baby stroller, or by cargo Folded into the same body, it can meet the needs of the user without having to worry about the parking of the bicycle === lose, let the use of excellent performance. 4 problems, but also can withstand the folded body ΪΠ of the car :::: =: Provide-can be folded into a seat or push: old and weak women and Confucianists are easy to use 心 = ΐ 之 ΐΠ 之;-a kind of foldable into a seat or push Taking the MRT to the home can also be used :::: 用 ：; Page 6 589266 V. Description of the invention (3) Metropolis replaces motorcycles and actually improves parking, noise and other problems, and can improve the appearance and Urban environment [Content] A bicycle that can be folded into a seat or stroller, including a front wheel set and a rear The rear wheel set includes a main frame extending from the center of the rear wheel. The main frame can be fastened and disengaged from the front wheel set quickly and surely, and is pivotally connected to the front wheel set and the main frame with a connecting rod. To prevent the front and rear wheels from detaching. When the main frame is separated from the front wheels, the rear wheels can be buckled forward parallel to the front wheels and the components are fixed to form a vehicle that can be moved. The stroller can be added with a seat for riding, or a baby seat can be added to form a baby stroller. Even more different variations can be used. [Embodiment] Please refer to FIG. 1, FIG. 1A, and FIG. A bicycle which can be folded into a seat or a stroller mainly includes a front wheel set 1, a rear wheel set 2 and a seat set 3, and a connection for connecting the front wheel set 丨 and the rear wheel set 2 Lever 30; 'wherein: the front wheel set 1 has a front wheel 11 and the front wheel 11 is arranged on a front wheel frame 122;' the front wheel frame 122 is connected upward with a middle tube 12, and the middle tube 12 is provided with a height adjuster fast Remove 1 2 5 and the height adjuster quick release 丨 2 5 is connected with a steering grip 1 3 to make The steering handle 1 3 can be quickly disassembled 1 2 5 through the height adjuster, and can be telescoped into the middle tube 12 to a proper height to match the user's convenient riding. A mud dredger 112 is provided above the front wheel 11. The middle tube 12 is fitted with a large sleeve 1 5 '. The large sleeve 15 is provided with ball bearings on the upper and lower sides.

II Page 7 589266 V. Description of the invention (4) To facilitate the flexible rotation of the middle tube 12 and use the steering handle 13 to operate the steering function, and at the place where the steering handle 13 and the middle tube 12 fit together, < height adjustment Quick release lj 5, as a steering grip 丨 3 sets in the middle tube 丨 2, which can be adjusted up and down, and then fixed to the foot; in addition, a fixed ring is provided at the upper end of the large tube 15 at the middle tube 12 There is a lower hanging slot 1211 outside the 121, so that the shopping basket hanging slot 172 and the lower slot 1211 can be used to hang different items as needed; and in conjunction with FIG. 3, the steering grip 13 has an accelerated rotation grip 1 31 to control the motor. The rotation speed and the left grip 132, and the steering grip 13 is provided with a sleeve 133 downward. The sleeve 133 is provided with a clamping hole 135, and the left grip 32 is fixed above the steering grip without a latch 1 3 5 1, so that the left grip 1 3 2 can be removed and buckled into the sleeve 1 3 3 'to reduce the volume after folding; as shown in Figure 5; the steering grip 丨 3 is provided with a set of hole holders 713 on the right hand side, which has one The slot 715 is used to fit into the insert plate 712 on the front end of the main frame 37 of the rear wheel set 2. The rear wheel set 2 has a rear wheel 21, and the rear wheel 21 extends forward from the center of the main frame 3 7 so that the front end of the main frame 3 7 can be hung on the front wheel set 1 to form a complete The main frame 37 has a front tube 371, and the front tube 3 71 can be bent by a combination of a bending Is 7 1; and as shown in FIG. 3, a fixed plug plate is provided on the front tube 371 372, and the middle tube 12 is provided with a positioning block 17, the positioning block 17 has a function of engaging with the fixed insertion plate 372 in the positioning groove 171, as shown in FIG. 3, when the vehicle body is folded, the front tube 3 7 1 Bend to the side by the bender 71, and place the fixing insert 372 into the positioning groove 171 to fix the 'other positioning block 1 7 There is also a shopping basket hanging groove 17 2 at the front end; please cooperate with FIG. 1B, the present invention The quick coupling device is fixedly provided with a collar 1 5 1 outside the large sleeve 15, the collar 1 5 1 is provided with a mandrel 1 5 11 and two front tubes 3 71 are provided at the lower ends.

Page 8 589266 V. Description of the invention (5) There is a buckle 3 7 1 1 so that the buckle 3 7 11 is fastened on the mandrel 1 5 11; and a ^ seat 1611 is provided above the ring sleeve 151 and the card seat 1611 has built-in-^ pin 1 613, neodymium bayonet 1613 is squeezed by the upper curved surface 3712 of the front tube 371 and pushed back. After the front tube 3 7 1 is positioned, the spring pin 1 6 丨3 Push back into the slot 3713 to fix the position of the front tube 371; and the latch 1613 is also provided with a pull hook 1 6 1 2 'to facilitate pulling the latch 丨 6〗 3 to exit the front tube 3 71 to achieve Quickly snap and detach. In addition, as shown in FIG. 2A, other design coupling devices can be adopted. The front tube 3 7 1 is coupled into the front wheel set 1 with a support surface 711 at its front end. A retaining ring 1512 is provided on the large sleeve 15, and the retaining ring 1512 is provided. A groove 1 5 1 3 is provided on the inner side, so that the lower end of the support surface 7 11 can be positioned in the groove 1 5 1 3; and a positioning ring 丨 6 is provided on the large sleeve 15, and the positioning ring 6 The shaft 1 6 1 can swing up and down, and a spring washer is also sleeved in the mandrel 丨 6 1. The purpose is to make the positioning ring 16 not move down and shift easily due to its weight. 7 1 1 snap-in positioning, and then press down the positioning ring] 6, and then tighten the Phillips bolt 162, the combination and fixing of the main frame 37 of the front wheel set 1 and the rear wheel set 2 is completed, this is another embodiment. As shown in FIG. 5A, the rear wheel 21 is provided with a brake 22 for braking i. The rear wheel 21 is provided with a rear wheel cover 373. Next to the rear wheel 21, there is: A roller rod 252 is restricted in the ditch frame 25. The roller ^ ΓΓΛ is a butterfly bolt 250 or other equivalent fixed mechanism such as a quick release '. ^ Inside the ditch frame 2 5 and the end of the roller rod 2 5 2 is provided There are two rollers: ^ 累: a rod 251 is provided on the rod 25 2, and the rod 251 is arranged on the main frame 3 by the shaft = ′ on the main frame 3. By the phase of the roller rod 252 and the groove frame 25 — 6 'Let the roller lever 2 52 be pivoted by the top rod 251 shaft screw 2 53,

Page 9 589266 V. Description of the invention (6) — '^ ---, adjust the distance between the roller 23 and the rear wheel 21 within the limit of the ditch 25, the purpose is to make the folded body used for the seat or push The stable distance of the car is suitable, and the adjustment of the roller lever 252 due to the inclination of the groove frame 25 can keep the supporting surface of the roller always horizontal to the ground, so as to facilitate the flexible movement of the folded vehicle body. Please refer to FIG. 1. A seat set 3 is provided at the rear end of the main frame 37. The base 755 has a lower shaft center 756, and a seat sleeve 75 is provided in the base. 756 can be bent; the top of the seat sleeve 75 is provided with a first height adjuster quick release 75m, the first height adjuster quick release 751 is provided with a middle sleeve 76, and the top of the middle sleeve 76 is provided with a first The second-degree adjuster quick release 752, the second height adjuster quick release 752 is provided with an upper tube 77, and the upper tube 77 is fixed with a seat 778, so that the upper tube 77 and the middle sleeve 76 can be adjusted. The height of the chair 77 8 protruding; and a seat fixing ring seat 8 is provided on the seat sleeve 75. The seat fixing ring seat 8 is fixed on the base 755 with a pull hook 811 to control the positioning pin 81. } When pulling up, the seat sleeve 75 can perform the folding and folding action of the seat because the positioning pin 81 is disengaged from the base 755. Please refer to FIG. 2 and FIG. 2A. A traction seat 152 is provided on the large sleeve 15. The traction seat 152 is fixed on the large sleeve 15 with a fixing screw 1 52 2, and the front end of the connecting rod 30 is locked with an inherent sleeve. The 153 series is connected to the front axle 1521 of the traction seat 152, and the rear end of the connecting rod 30 is connected with a universal joint 31, and the universal joint 31 is fixed on the main frame 37 so that the main frame 37 in the month of detachment】】 At the time of wheel set 1, the far rear wheel set 2 can be connected to the front wheel set 1 without being completely separated from the front wheel set 1; of course, the link 30 can also be replaced by a rope or the like.

Page 10 589266 V. Description of the invention (7) One by one ----- It can prevent the separation of front wheel group 1 and rear wheel group 2, but in order to make the front wheel group 1 and the support surface 711 of the main frame surely positioned It is better to use the connecting rod 30. The invention is mainly electric. The rear wheel set 2 is provided with a battery box 57. The battery box 57 provides the power of the motor 51 and drives the rear wheel 21 to rotate by a transmission belt 52. To prevent the problem of temporary power shortage, the present invention The invention is also provided with a pedal driving mechanism. For example, the main frame 37 is provided with a first large chainring 73. The first large chainring 7 3 is driven by a left pedal 7 31 and a right pedal 7 3 3 and is driven by a first chain. 732 is connected to the small sprocket 737 of the second large sprocket 735, so that the second large sprocket 735 drives the flywheel with the second chain 736 to rotate the rear wheel 21; the first large sprocket 73 and the second large sprocket The 735 speed change mechanism is designed to make the rear wheel 21 of the small wheel diameter feel the same speed as the bicycle of the large wheel diameter when the foot is stepped on. The front wheel set 1 and the rear wheel set 2 of the present invention may also be provided with shock absorbers, but the pedal or motor driving method or the shock absorbers are all existing mature technologies, and will not be described in detail here. The bending and fastening device of the seat group 3, the inventors previously applied for the Chinese Patent Nos. 88111739 and 810920627 used the buckle fastening device. , Its buckle-type device can also be applied in this case ', but there are other examples of buckle devices in this case. Please refer to FIG. 6 to FIG. 6B. The seat sleeve 7 5 is provided with a plug-in block 8 2, and is there a solid phase 8 3 ′ on the main frame 3 7. A tightening plate § 3 1 is provided in 3, and the rear top of the clamping plate 8 3 1 is inserted into the projection 8 3 1 6 of the fixing box 8 3, and the pressing plate 8 3 1 is released by one 2 control, and the release button 8 3 1 2 is supported by a spring post 8314, and the fixing box 83 has a bell mouth 832 for inserting the plate block μ into the clamping portion 83 1 and the clamping wall 8317. The distance is smaller than the plug plate 82,

Page 11 589266 V. Description of the invention (8) When the plug-in block 82 is inserted, the clamping plate 831 is shifted obliquely through the inclination of the front end of the plug-in block. When the plug-in block 82 does not move, the clamping plate 831 is moved by the spring 8314. The spring presses to make the inserting plate block 82 be clamped by the clamping portion 8311 and the clamping wall 8317; when the release plate 8 3 1 2 is released, the clamping portion 8 3 11 and the clamping wall 8 3 1 7 The opening is loosened to facilitate the extraction of the insert plate 82. When the release plate 8312 is released, the spring post 8314 returns to the original position to clamp the insert plate 82, thereby irrespective of the depth of the insert plate 82 inserted into the fixed box 83. Both can be steplessly clamped the insert plate block 82, so that the seat sleeve 75 can be fixed in the fixed box 83, so that the combination of the seat group 3 and the main frame 37 is firm. In the above-mentioned fastening embodiments, the present invention is not limited to the fastening device of the insert plate block 82 and the fixed box 83, and other buckle-type devices can also achieve the purpose of fastening. As shown in FIG. 2 and FIG. 2B, a plug-in board 113 is provided next to the front wheel 11 and a socket 781 is provided near the rear wheel 21. The socket 781 has a socket 78 Π 'to insert the plug-in board 11 3 into the socket 7811. Generate support to achieve the purpose of folding the front and rear wheels side by side. ^ The main frame 37 is provided with a seat socket 377 for inserting its dagger seat; please refer to FIG. 1, a support frame 79 is provided beside the main frame 37 to facilitate parking of the vehicle. Jing refers to Figures 3 to 4A. The accelerated rotation grip 丨 31 is provided next to = wood 713, a set of hole holders 713 is provided with a slot 715, and the front tube 371 is provided with a support surface 711 _ on the side. Plate 712, when the car body is folded seat, the upper insert plate 712 can be placed in the slot 715 in a simpler way to get 90 疋, and when the minimum volume of the car body is folded, the front tube 37 can be used. Bending folding method; the aforementioned front tube 371 is rotated by a bender 71,

589266 V. Description of the invention (9) The bender 7 1 has a bending axis 7 1 〇 and is controlled by a buckle plate 7; the buckle plate 7 is pivotally connected to the shaft center of the front tube 371 with a center axis 378. Frame 37 6, the buckle plate 7 Hancha has a buckle hole 7 2 5 and the other end is a long hole 7 2 6. A buckle block 3 7 9 is provided on the main frame 3 7 with respect to the buckle hole 7 2 5. With respect to the long hole 7 2 6, a top block 375 is provided on the front pipe 371, and a spring 72 is provided between the buckle plate 7 at the end of the long hole 726 and the front pipe 371. The safety push button 722 with multiple slides f, please refer to FIG. 3b. The safety push button 722 pushes a top piece 721 to move. With the design of the gusset 7, its top piece 721 usually abuts against the moon officer 3 7 1 on the top block 3 7 5 to prevent the user from accidentally lowering the buckle plate 7 and leading to separation ', while the other end of the buckle hole 7 2 5 is fastened to the buckle block 379, when the front tube 371 is to be bent, That is, the safety push button 72 2 is pushed backward to separate the top and top blocks 37 5 from each other, and at the same time, the buckle plate 7 is pushed down to release the buckle hole 725 from the buckle block 3 79, so that the front tube 371 is folded along the f-axis center 71 °.

The bender is a safer and simpler design device. For example, a bender is used to achieve the same purpose, but the bending action is more complicated and it is clearly equipped. Figure 1 and Figure 5. With the above structure, two folding actions are performed in the next step: You can use the simple folding method according to U (for seats or strollers, lecture trolleys, baby strollers, etc.) ㈣U factory / | No, its camp is private =, so that the pin ㈣ is separated from the front curved surface 3, 712 of the main frame 37 :: hook 3713, so that the front wheel set} is separated from the main frame 37 However, the restraint of the dagger 30 does not separate the front wheel set 丨 from the rear wheel set 2; while the ^ link 2, the main frame 37 turns to stand upright like the front wheel set i, and makes it:

589266 V. Description of the invention (ίο) Close, because the rear wheel set 2 is provided with roller 23 support, so that the rear wheel 21 and roller 23 can stand on the ground without being tilted; at this time, the front wheel丨 3 Insert it into the socket 781 1 of the socket 781 next to the rear wheel 21, so that the front wheel 11 and the rear wheel 21 are fastened side by side, and then release the height adjuster 1 2 5 of the steering wheel 1 3 of the front wheel group 1, Make the steering handle 丨 3 slide up and down, and then use the slot 715 in the sleeve hole holder 7 13 on the right side of the steering handle 丨 3 to align with the insert plate 712 above the upper end of the main frame 37 and snap it into place. Tighten the height adjuster quickly to release 125 to complete the combination of front wheel group 1 and rear wheel group 2. Finally, pull the hook 8n of seat group 3 again, so that seat group 3 can go to the front wheel group 丨 and the rear wheel group. 2 The middle is closed. At this time, the inserting plate 82 is also inserted into the fixed box 83 at the same time, so that the seat group 3 is integrated with the front wheel group 1 and the rear wheel group 2 in a concentrated manner, and the composition is small and vertical. body. The old sand flat is restored to a rideable vehicle body. First, press the release button 8312 to release the plug-in block 82 from the fixed box 83, and close the seat sleeve 75 of the seat 778 to the base 755. At this time, the positioning pin 81 and the base 7 5 5 can be automatically locked; then, the height adjuster of the steering grip 13 is quickly released 125, and then the steering grip 13 is pulled up to release the sleeve hole frame 713. Plug-in board 712, Quick release 125, and then hold the left steering handle M and left handle 132 with the left hand, and hold the middle tube 76 of the seat group 3 with the right hand, so that the main buckle 371 1 goes forward Wheel set} 151 Axis 151 丨 The seat 1611 that fits into the support surface 711 is closed, so that the seat ^ bayonet 1613 is snapped into the slot 3713 of the support surface 711, and the ride is completed. Minimal folding method (for storing or placing in the trunk of a car)

Page 14 589266 V. Description of the invention (11) · Pull the hook 1 6 1 2 to disengage the bayonet 1 6 1 3 from the curved surface 3 7 1 2 and make the front wheel group 1 and the main body and the frame 3 7 to be engaged. Open, but the front wheel set 1 and the rear wheel set 2 are not completely separated due to the relationship of the connecting rod 30, and then the rear wheel set 2 is turned upright so that the rear wheel 21 and the roller 23 stand on the ground; Then insert the plug plate 1 13 next to the front wheel 11 into the socket 781 丨 of the socket 781 next to the rear wheel 21, so that the front wheel 丨 丨 and the rear wheel 21 are fastened side by side, and then push the safety push button 722 to You can press the buckle plate 7 to separate the buckle block 3 7 9 from the buckle hole 725, then you can bend the front tube 371 by 90 °, and then insert the fixed insert plate 3 7 2 into the positioning groove 1 7 1 to fix; Open the hook 8 11 at the seat rod to separate the positioning pin 8 1 from the base 7 5 5, and the seat 778 can be fastened to the middle of the main frame 37 and the front wheel group 1 at this time. Also inserted into the fixed box 83 at the same time, clamped by the clamping plate 831; and then the seat 7 7 8 via the upper tube 77, the middle tube 76. Quick release with the first height adjuster 751 or Quick release with the second height adjuster 7 52 adjusted to the lowest point, And turn the handle 13 by a quick-release height adjuster 125 is adjusted to be the lowest at this time is the folded body of the present minimum volume. To return to a rideable body action, first press and release the button 8 3 丨 2 to withdraw the plug-in block 82 from the fixed box 83, and close the seat sleeve 75 of the seat 778 to the base 7 5 5. At this time, the positioning pin 8 丨 and the base 7 5 5 can be automatically fastened; then, the 11 g '3 7 1 fixed insert 3 7 2 can be removed from the positioning groove 1 7 1 and fastened to the main frame 3 7 'At this time, the buckle hole 72 5 of the gusset plate 7 and the buckle block 3 7 9 are automatically fastened; then the safety push button 7 2 2 is moved to move the top block 7 2 1 to another top block 3 7 5 and let two The top f supports each other so that the main frame 37 and the front tube 371 are securely engaged; then, the plug plate 1 13 of the front wheel set 1 is pulled out from the socket 781 beside the rear wheel set 2 so that the front wheel set 1 and the rear wheel Group 2 is semi-detached; then hold the middle tube of the seat with your right hand

Page 15 589266 V. Description of the invention (12) 76 Close the front support surface 711 of the main frame 37 toward the large bushing 15 of the front wheel set 1 and push the sleeve 3711 into the mandrel 1511 of the buckle 151. Then, when the front wheel group 1 and the support surface 7 丨} of the front tube 3 7 1 are brought together, the arc surface 3 71 2 can lift the bayonet 1 6 1 3, so that the bayonet 丨 6 丨 3 is formed by the spring i. 6} 5 Automatically snap the pin j 6 丨 3 into the slot 3 7 1 3 'to complete the automatic locking action of the front wheel set 1 and the rear wheel set 2, and then adjust the steering handle 1 3 and the seat 7 7 You can ride at a height of 8. With the aforementioned folding method, the following folding method can be completed: Folding method to fold into a seat: 凊 Refer to Figure 5A and Figure 7, first complete the folded car body with the simpler folding method described above, and then Loosen the roller 23 by the butterfly bolt 2 50 in the groove frame 25. Move the roller 23 to a proper distance from the rear wheel 21 as shown in Figure 7. Then lock the butterfly bolt 2 50 and then loosen the first height adjustment. Quick release 751, pull out the seat 77 8 together with the middle tube 76, and then insert the lower end of the middle tube 76 into the seat socket 377, and the latch 761 at the lower end of the middle pipe is inserted into the seat socket 3 77 card The hole 3 7 7 1 is used to fix it, and then the second height adjuster quick release 752 is adjusted, so that the seat 778 is fixed at an appropriate height, and then becomes a seat-like energy, which is convenient for users to rest. " To return to the action of the rideable vehicle body, first press the bayonet 7β1 so that it leaves the bayonet 3 77 1 and the middle tube 76 is pulled out of the seat socket 37 7 and put back into the seat sleeve 75. A height adjuster quick release 751 is fixed, and then restored to a riding body operation according to the above. How to fold the baby carriage: You can place the baby seat with the latch 9 3 1 See Figure 8B and Figure 8c. When you are carrying a baby, the 9 seatpost 93 is set on the socket seat 3 of the main frame 37 Within 7 {)

Page 16 589266 V. Description of the invention (13) The card hole 37〇1 fixed plate 91 and armrest 95 which are inserted into the socket 3 70 can be adjusted to a proper height through the child seat 9 To fold into a quick seat 9, and then follow the simpler steps described above, you can first pull out the baby body, and then move the roller 23 from the butterfly in the ditch frame 25 and stack it into a K-shaped wheel 23 to the rear. The appropriate distance of the wheel 21 is as shown in Figure 7. The bolt 250 is loosened, and it is rolled securely, and then the seatpost 93V of the baby seat 9 is locked, and the butterfly screw 250 is locked so that the elastic latch 931 and the hole 3701 are mutually f = f In the seat socket 377, the user can ride the bicycle with the third height adjuster "'the height of the baby seat, refer to the above °°. It can be restored. It can be folded into shopping by the operation method of the main load. How to use the car: Please refer to Figure 8 and Figure 8A. First assemble the body of the car, and then hang the fishing cart 181 and the bottom pea standing cart 172 and the bottom hanging slot 1211 above the shopping basket 18, then use it as a shopping cart. Hanging: 2. Users who need to adjust the distance ^ f 'between the roller 23 and the rear wheel 21 can enter the upper hanging slot according to the above recovery operation method. The distance can be °° The original method of folding into a carrier body: The folding process refers to the method of the stroller. 'It's just that the carrier chair 9 is different in style. Of course, the carrier is also provided with a child's seat and carrier, etc. Restrictions. ',,, and eight daggers: See the figure λ. The present invention can be detached with a pedal pedal transmission part and is purely an electric vehicle. The main frame 37 is provided with a shaft sleeve. 'It is fixed on the main frame with fixing screws 7385.

Page 17 589266 V. Description of the invention (14) The heart 7 3 8 1 is pivotally connected with the sexual bayonet 738 2 and the fast-moving, fixed-type pedal, such as [characteristics and effects of other conventional technologies of the present invention 1 · of the present invention The problem of "self-partitioning" after folding, and 2 · The self-weak women and children of the present invention are convenient 3 · The self-invention of the present invention is very suitable for riding a motorcycle and is indeed listed in detail, but the implementation of the patent from the technical solution of the present invention A range of foot pedals 7 386, the bayonet pin holes 7 38 3 allow the foot pedals to be welded directly to the shaft bracket 738 in consideration of the manufacturing cost. The spring foot pedals 7 386 are also provided when they are pulled up and down. Of course, it can also be fixed to the main frame simply. Comparisons Provided The driving can still be issued, and the driving system can be used to improve the parking. When it can be folded into a seat, it also has the function of swinging according to the needs of the user, making the folded car lightweight and group functions, which helps to use electric car tools, so the car, noise, etc. are used to limit the equivalent of the present invention. The following advantages of a chair or a stroller are as follows: If you want to fold it into different users, you don't have to worry about the excellent convenience of sex installation, and the way to really implement the product can be quite applicable to most problems. One of the possible embodiments is the scope of the invention, which should be invented or modified, and its function as a bicycle or bicycle. To suit the old and popular. It will be implemented, and specifically replaced in the meeting.

Page 18 589266

Ξ: Α is a view of an unfolded example bicycle of Λ invention; 0 -B; side view of a completed example of a self-driving bicycle folded by Shui Ming; Figure B is a fixing of a main frame of the invention; A view of an example of folding operation of a bicycle; FIG. 1A is a fixed view of a main frame of the present invention; FIG. 2B is an example of a fixed plate of the present invention = an example view, and an end view of an example of a folding action of the bicycle of the present invention; Action example view;

32B is a view of an example of a buckle plate fastening operation of the present invention; FIG. 4 is a perspective view of a tube structure before the present invention; FIG. 4A is a view of an example of a tube bending action before the present invention; End view; Figure 5A is a view of an example of a ditch rack operation of the present invention; Figure 6 is a perspective view of a seat tube bending example of the present invention; Figure 6A is a view of an example of a clamping plate operation of the present invention; Figure 6B is A perspective view of the clamping plate structure of the present invention;

^ Seven is a view of the example of the function of the invention with a seat; Figure 7A is a view of a structure example of a bicycle with a loading rack in the invention 丨 Figure 8 is a view of a development example of a bicycle with a shopping basket of the invention A side view of a bicycle folded into a shopping cart according to the present invention, side view | FIG. 8B is a view of an unfolded bicycle equipped with a stroller according to the present invention 丨 FIG. 8C is a side view of a bicycle folded into a stroller according to the present invention q FIG. This is an end view of a modification of the pedal structure of the present invention; and FIG. 9A is a perspective view of a modification of the pedal structure of the present invention.

Page 19 589266 Brief description of the drawings [representative symbols of the main parts] 1 Front wheel set 10 Carrier rack 11 Yu wheel 112 Fender 113 Plug board 12 Middle tube 121 Fixing ring 1211 Lower hanging groove 122 Front wheel frame 125 Quick release 1251 Shopping basket hanging slot 13 Steering grip 131 Accelerated rotation grip 132 Left grip 133 Sleeve 135 Mounting hole 1351 Pin 15 Large sleeve 151 Ring sleeve 1511 Mandrel 1512 Buckle 1513 Groove 152 Traction seat 1521 Front shaft 1522 Set screw 153 Set head 16 Locating ring 161 Mandrel 1611 Card holder 1612 Pull fishing 1613 Bayonet 1615 Spring 162 Torx bolt 17 Positioning block 171 Positioning slot 172 Upper hanging slot 18 Shopping basket 181 Upper hook 182 Lower hook 2 Rear wheel set 21 Rear wheel 22 Brake 23 Roller 25 Groove 250 Butterfly bolt 251 Jack

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589266

Brief description of drawings 252 Roller lever 253 Axial screw 3 Seat group 30 Connecting rod 31 Universal joint 37 Main frame 370 Sleeve seat 3 7 0 1 Card hole 371 Front tube 3711 Buckle 3712 Curved surface 3713 Slot hole 372 Fixing Insert plate 373 Rear wheel cover 375 Top block 376 Axle frame 377 Seat socket 37 7 1 Card hole 378 Center axis 379 Buckle block 51 Motor 52 Transmission belt 57 Battery box 7 Buckle plate 71 Bender 710 Bend shaft 711 Support surface 712 Upper insert plate 713 Sleeve holder 715 Slot hole 72 Spring 721 Top block 722 Safety push button 725 Buckle hole 726 Long hole 73 The first _ 丨 a large toothed disc 731 The left pedal 732 The — 丨 · Chain 733 The right pedal 735 Second largest chainring 736 Second chain 737 Small chainring 738 .Sleeve holder 73 8 1 Shaft center 7 38 2 Elastic bayonet 73 83 Elastic bayonet hole 7 38 5 Fixing screw 73 86 Foot pedal 589266 Simple illustration Description 75 seat tube 751 first height adjuster quick release 752 Two height adjuster quick release 755 base 756 lower axis 76 middle tube 761 bayonet 77 upper tube 778 seat 781 socket 7811 jack 79 support frame 8 seat fixing ring seat 81 positioning pin 811 pull fishing 82 plug block 83 fixing box 831 Clamping plate 8311 Clamping place 8312 Loosen pressing plate 8313 Back top 8314 Spring post 8316 Bump 8317 Clamping wall 832 〇Stab team mouth 9 Baby seat 91 Pedal 92 Third height adjuster 93 Seat bar 931 Elastic card Pin 95 armrest

Claims (1)

589266 VI. Scope of patent application 1 · A foldable bicycle including a front wheel set, a rear wheel set and a seat dimension. The offending wheel set has a front wheel, and the front wheel axle is arranged on a front wheel frame. The front wheel frame A middle tube is connected upward, the middle tube is provided with a large sleeve, and the middle tube is provided with a steering grip; the rear wheel set has a rear wheel; the rear wheel extends forward from a shaft center and has a main frame, so that The front end of the main frame is hung on the front wheel set, and a base is provided at the rear end of the main frame; and the seat set is provided on the base; It is characterized in that: the bottom end of the main frame has a support surface and is connected with The front wheel group is fastened to form a fast fastening device, so that the front and rear wheel groups can be fastened, and a plug plate is provided beside the front wheel, and a socket is provided beside the rear wheel, so that the front and rear wheel groups can be fastened side by side; A seat sleeve is provided at the bottom of the seat group, and a bendable device is provided between the seat sleeve and the base. Fastening devices such as an insert plate block and a fixed box are provided on the seat group and the main frame, respectively. 2 · The foldable bicycle according to item 1 of the scope of patent application, wherein the front support surface of the main frame of the rear wheel set is provided with an upper insert plate, and a socket frame and a slot are provided relative to the steering handle The slot can be fastened or separated from the upper board. 3 · The foldable bicycle according to item 1 of the scope of the patent application, wherein the main frame is provided with a bender, so that the fixed insert of the front tube can be fastened in the positioning groove of the positioning block of the front wheel set to produce a fixation. . 4. The foldable bicycle according to item 1 of the scope of the patent application, wherein a ring sleeve is provided outside the large sleeve, a core bicycle is provided, and the lower end of the front tube 589266 6. Scope of patent application Among them, there is a seat socket at the rear wheel set, which can be used to insert a cart with a shelf-shaped function. I 0 · A foldable bicycle as described in item 1 of the scope of patent application, a clamping plate is provided in the fixed box, and the rear of the clamping plate is provided with a protruding block and controlled by a release button. , And the release button is held by the spring post, and the fixing box has jp eight mouths for the insert plate to guide the clamping place opposite the clamping plate. When the release button is pulled, the clamping place The opening is enlarged to facilitate the insertion and removal of the inserting plate. When the pressing plate is released, the spring post is pushed back to the original position to clamp the inserting plate. II · The foldable bicycle as described in item 1 of the scope of the patent application, the main frame is provided with a bushing frame, which is fixed at the main frame of the main frame of the main frame by a fixed screw and pivoted with a foot pedal 'the shaft Sexual pins and pin holes are set in the frame, so that when the foot pedal is pulled up or down, the foot pedal can be set on the main frame quickly or in a fixed manner. 1 2 · The foldable bicycle described in item 1 of the scope of patent application, a battery box is provided on the rear wheel set, and the battery box provides motor power, and the belt is driven to rotate the rear wheel. 1 3 · According to the foldable bicycle described in item 1 of the scope of patent application, the seat sleeve is provided with a seat fixing ring seat, and the seat fixing ring hook controls the positioning pin to be fixed on the base when the hook is pulled up The seat can be bent because the positioning pin is separated from the base. 1 · 4. According to the foldable bicycle described in the first item of the scope of patent application, the steering handle is provided with a sleeve downward. The sleeve is provided with a left handle fixed on the steering handle and a latch is provided. The left grip is loaded with 1¾ wherein the fixed box is popped in, and the release of the rack is provided with a spring positioning, wherein the seat is seated with a hole in the seat by passing the seat, and Removable 589266 Six, patent application scope buckle into the sleeve. 1 5. The foldable bicycle according to item 1 of the scope of patent application, wherein the t end of the front tube is a support surface, a buckle is provided on the large sleeve, and a groove is provided on the inner side of the buckle, so that the The support surface can be snapped into the groove for positioning, and a large ring is provided with a positioning ring, which can be swung up and down by a mandrel, and then locked with a Phillips bolt. 16. The foldable bicycle according to item 1 of the scope of patent application, wherein a groove frame is provided beside the rear wheel, and a roller rod is restricted in the groove frame, and the roller rod is fixed to the roller with a butterfly bolt. Inside the rod, and the roller is arranged at the end of the roller rod, the roller rod is provided with a top rod, and the shaft screw of the top rod is locked on the main frame, and the roller rod is used as the shaft by the shaft screw of the top rod, The distance between the roller and the rear wheel is adjusted within the limits of the ditch. 1 7. The foldable bicycle according to item 1 of the scope of patent application, wherein a pedal is provided to be directly fixed on the main frame. Page 26