JP3214590U - Folding electric bicycle - Google Patents

Abstract

The present invention provides a folding electric bicycle that is convenient to ride, drive and store, and whose auxiliary wheels further contribute to standing and walking. In a foldable electric bicycle that may be folded and stored, or may be formed with an electric scooter after being folded, a frame 150, a front tube 120 connected to the frame, and a front tube are perforated. The front fork 130 for attaching the front wheel, the head module 110 connected to the front fork, the rear wheel support frame 170 pivotally attached to the frame, and the rear wheel support frame pivotally attached to drive the rear wheel Pedal gear set 177, a seat module 220 attached to the frame, and a set of auxiliary wheels 190 pivotally attached to the rear wheel support frame. The rear wheel support frame rotates relative to the frame so as to form an electric scooter use mode. [Selection] Figure 1

Description

  The present invention relates to a folding bicycle, and more particularly, to a folding electric bicycle.

  Bicycles can meet energy-saving traffic transportation and exercise requirements, but need only be able to provide power in an appropriate time to save physical fitness in addition to exercise. For this reason, electric bicycles appeared accordingly.

  Electric bicycles provide long-distance travel but are not suitable for indoor use. In particular, when traveling to destinations such as train stations or airports by means of electric bicycles, bicycles cannot be ridden in these places, so the user must carry them by hand or transport bicycles, Conversely, it causes inconvenience in use.

  For this reason, if an electric bicycle that can be moved indoors even after entering the room can be provided, it is advantageous in the range of use of the electric bicycle.

  In view of this, the present invention discloses a folding electric bicycle.

  One embodiment of the present invention includes a frame, a front tube connected to the frame, a front fork drilled in the front tube for attaching a front wheel, a head module connected to the front fork, and a frame. Rear wheel support frame, a pedal gear set pivotally attached to the rear wheel support frame to drive the rear wheel of the folding electric bicycle in the rear wheel support frame, a seat module attached to the frame, and a rear wheel support A pair of auxiliary wheels pivotally attached to the frame, and the rear wheel support frame is rotated forward to the first position so as to fold the folding electric bicycle so as to contact the frame, or the folding electric bicycle Folding type that can be rotated back to the second position so as to unfold and abut against the frame or seat module Care about the bicycle.

  In some embodiments, the folding electric bicycle further includes an in-wheel motor provided at a position of a front wheel of the folding electric bicycle.

  In some embodiments, the frame further includes a stationary buckle for securing the rear wheel support frame to form a use mode for the bicycle.

  In some embodiments, the frame further includes a fixed buckle that fixes the rear wheel support frame in a mode of use of the electric scooter. The fixed buckle is used for fixing the pedal shaft housing of the rear wheel support frame.

  In some embodiments, the folding electric bicycle further comprises at least one foot rest device attached to the front tube.

  In some embodiments, the rear wheel support frame includes a support frame up tube, a support frame down tube and a support frame front tube so as to form a triangular rear wheel support frame. An auxiliary wheel adjustment module connected to the support frame up tube and the support frame down tube is further provided to adjust the distance between the wheel sets.

  In some embodiments, the seat module includes a seat body, a first seat telescopic tube, and a seat tube, the seat tube is fixed to the frame, and the first seat telescopic tube can be telescopic with respect to the seat tube. The frame includes a frame up tube and a frame tilt tube to be coupled to the seat tube.

  In some embodiments, further comprising at least one battery provided on the frame tilt tube.

  As described above, the folding electric bicycle according to the present invention is convenient to ride, drive and store, and the auxiliary wheel further contributes to standing and walking. In addition, the folding electric bicycle in the present invention is further driven by a built-in motor or an in-wheel motor, thereby saving the user's physical strength and providing a long-distance movement capability. Can be increased. In places where the bicycle cannot be used, the rear wheel support frame can be further folded to form a mode of use of the electric scooter, further increasing the function and range of use of the folding electric bicycle.

The following description of the drawings is intended to make the above-described other objects, features, advantages, and embodiments of the present invention more understandable.
1 is a perspective view of a folding electric bicycle according to an embodiment disclosed in the present invention; FIG. It is the perspective view of a mode that the electric scooter was formed by folding the folding electric bicycle of FIG. FIG. 2 is a perspective view of a state in which the folding electric bicycle of FIG. 1 is folded to form a storage state. FIG. 6 is a side view showing a folding electric bicycle according to another embodiment disclosed in the present invention; It is a side view of a mode that the electric scooter was formed by folding the folding electric bicycle of FIG. 1 is a schematic view of a carry bag of a folding electric bicycle according to an embodiment disclosed in the present invention. FIG. 6 is a perspective view of another folding electric bicycle according to an embodiment disclosed in the present invention; It is the perspective view of a mode that the electric scooter was formed by folding the folding electric bicycle of FIG. 7A. FIG. 7B is a perspective view of a state in which the folding electric bicycle of FIG. 7A is completely folded to form a storage state. It is a schematic diagram showing an auxiliary wheel adjustment module according to an embodiment of the present invention. It is a schematic diagram showing an auxiliary wheel adjustment module according to an embodiment of the present invention.

  Hereinafter, embodiments will be described in detail with reference to the accompanying drawings, but the provided embodiments are not intended to limit the scope of the present invention, and descriptions of structural operations are also intended to limit the execution order thereof. is not. Any structure that has been recombined from the elements and any device having the equivalent effect are included in the scope of the present invention. Also, the drawings are for illustration purposes only and are not drawn to scale. In order to facilitate understanding, the following description will be given by attaching the same symbols to the same elements.

  The folding electric bicycle 100 disclosed in the present invention has a frame 150, the front tube 120 is fixed to the frame 150, and the rear wheel support frame 170 is pivotally attached to the frame 150, thereby forming a use mode of the bicycle. See FIG. 1. See further FIG. After the folding electric bicycle 100 is folded, a usage mode of the electric scooter can be formed. See further FIG. The folding electric bicycle 100 can be further stored to form a storage mode.

  As shown in FIG. 1, the folding electric bicycle 100 includes a head module 110, a front tube 120, a front fork 130, a front wheel 140, a frame 150, a pedal gear set 177, a rear wheel support frame 170, a seat module 220, a rear wheel 180, The battery 200 and the auxiliary wheel 190 are combined.

  The head module 110 includes a grip 112, and a head vertical tube 118 is connected to the grip 112 and extends downward to be connected to one end of the front fork 130. A front wheel 140 is attached to the other end of the front fork 130. The front fork 130 passes through the front tube 120 and can rotate in the front tube 120. Between the grip 112 of the head module 110 and the head vertical tube 118, a grip telescopic rod 114, a sleeve 116, and a gooseneck portion 119 are further formed.

  The grip telescopic rod 114 can be moved relative to the sleeve 116 to modify the distance of the grip 112 relative to the seat module 220 so that the optimum distance of the grip 112 is adjusted to accommodate different users. . At the same time, the length of the head vertical tube 118 may be adjusted with respect to the front fork 130 so that the grip 112 is adjusted to the optimum vertical height of the grip 112 corresponding to the user. This grip adjustment structure is merely one embodiment of the present invention. Other types of bicycle grip adjustment structures can also be applied to the present invention.

  The battery 200 may be fixed to the left side, the right side, the front side, or the rear side of the front tube 120 so as to provide a standby power source for the folding electric bicycle 100, or may have a plurality of battery mounting positions. Do not leave the scope of protection. The control box 230 may be attached to the front tube 120 to provide the power control required for the folding electric bicycle 100.

  The seat module 220 includes a seat body 222, a first seat telescopic tube 224, a second seat telescopic tube 226, and a seat tube 228. The seat tube 228 is fixed to the frame 150, and the first seat telescopic tube 224 and the second seat telescopic tube are expanded. The tube 226 can be expanded and contracted with respect to the seat tube 228 such that the height of the seat body 222 is adjusted.

  The seat module 220 further includes an elastic device such as a torsion spring or a spiral spring and a positioning device such as a positioning block so as to provide an angle adjustment and positioning function of the seat body 222 in different use modes. Thus, the sheet main body 222 may be positioned at a predetermined position.

  The rear wheel support frame 170 is pivotally attached to the frame 150 so as to rotate with respect to the frame 150. In one embodiment, when the rear wheel support frame 170 rotates rearward and below the seat tube 228, the rear wheel support frame 170 automatically contacts the lower rear of the seat tube 228 due to the weight of the frame (or the user). The pedal shaft housing (for example, the shell of the shaft 178 of the pedal gear set 177) is fixed to the second position, and fixed to the first fixed buckle 229 below the seat tube 228, for example, so that the frame 150 and the rear wheel support frame 170 are deployed. And it becomes the use mode of the bicycle. Please refer to FIG.

  Please refer to FIG. When the rear wheel support frame 170 is rotated backward to the lower side of the frame 150, the rear wheel support frame 170 automatically contacts the lower side of the frame 150 forward due to the weight of the frame (or the user), thereby the shell of the shaft 178. Is fixed to the second fixed buckle 156 below the frame 150, and the frame 150 and the rear wheel support frame 170 are set in an electric scooter use mode.

  In one embodiment, the first fixed buckle 229 and the second fixed buckle 156 may be U-shaped buckle rings, and further, the U-shaped buckle to provide the vibration-proof function required for the folding electric bicycle 100. An anti-vibration pad attached to the ring may further be included.

」形状のロッド、「Ｉ」形状のロッド等の、十分な構造強度を与えるその他のロッドも、本考案に適用されることができる。シャフト１６０により後輪支持フレーム１７０がフレーム１５０に対して回転することができる。シャフト１６０は、フレーム１５０、又はフレーム１５０に接続されたシートチューブ２２８に取り付けられてもよいし、フレーム１５０のフレームアップチューブ延伸部１５３に接続されてもよい。後輪支持フレーム１７０には、ペダルギヤセット１７７を回転させるためのシャフト１７８を含む。一実施例において、このシャフト１７８は、後輪支持フレーム１７０の支持フレームフロントチューブ１７４と支持フレームダウンチューブ１７６との接続箇所に設けられる。 In one embodiment, the rear wheel support frame 170 includes a shaft 160, a support frame front tube 174, a support frame up tube 172 and a support frame down tube 176. The support frame front tube 174, the support frame up tube 172, and the support frame down tube 176 form a triangular rear wheel support frame 170 to provide the structural strength necessary for the folding electric bicycle 100. The auxiliary wheel 190 is connected to the support frame down tube 176, and the rear wheel 180 is connected to the connection point between the support frame down tube 176 and the support frame up tube 172. However, the present invention is not limited to this. On the premise that the support frame tube member provides a sufficient structure, the support frame up tube 172 may be omitted and the rear wheel 180 may be connected to the support frame down tube 176 instead. Although the rear wheel support frame 170 of the present embodiment is formed of a tube member, the present invention is not limited to using the tube member. For example, "

Other rods that provide sufficient structural strength, such as "" shaped rods, "I" shaped rods, can also be applied to the present invention. The rear wheel support frame 170 can be rotated with respect to the frame 150 by the shaft 160. The shaft 160 may be attached to the frame 150, the seat tube 228 connected to the frame 150, or may be connected to the frame up tube extending portion 153 of the frame 150. The rear wheel support frame 170 includes a shaft 178 for rotating the pedal gear set 177. In one embodiment, the shaft 178 is provided at a connection point between the support frame front tube 174 and the support frame down tube 176 of the rear wheel support frame 170.

  According to the folding electric bicycle 100 disclosed in the present invention, the user rotates the rear wheel 180 of the folding electric bicycle 100 by rotating the rear gear by interlocking the chain with the pedal gear set 177. The folding electric bicycle 100 can be moved forward. In the folding electric bicycle 100 disclosed in the present invention, the rear wheel 180 may be interlocked by a belt and a gear group instead of the chain. The foldable electric bicycle 100 disclosed in the present invention further moves the foldable electric bicycle 100 by supplying power to the in-wheel motor attached to the front wheel 140 by the control box 230 and the battery 200 to drive the front wheel 140. May be. As this in-wheel motor drive mechanism, a unidirectional or bi-directional design is adopted, that is, the folding electric bicycle 100 may be designed to move only forward, or the bicycle may be moved forward or backward. It may be designed to move.

  Please refer to FIG. It should be noted that the folding electric bicycle 100 disclosed in the present invention includes an auxiliary wheel 190 attached to the end of the rear wheel support frame 170. When the folding electric bicycle 100 is in the folded state, the electric scooter is in a use mode, the rear wheel 180 is lifted slightly and away from the ground, the auxiliary wheel 190 contacts the ground, and the user still has the seat module 220. The forward direction and speed of the folding electric bicycle 100 can be controlled by the head module 110. At this time, in order to make it easier for the user to control the folding electric bicycle 100, the position of the grip 112 may be appropriately adjusted (for example, moved backward or upward). Since the seat module 220 is in contact with the frame up tube 152 of the frame 150, the front end is slightly lifted and kept horizontal, making it easier for the user to ride. As described above, the rear wheel support frame 170 rotates forward to the first position and contacts the frame 150. At this time, the shell of the shaft 178 is fixed at the first position. For example, the frame is fixed to the second fixed buckle 156 below the 150. The second fixed buckle 156 is the frame down tube 154 of the frame 150 or the frame of the frame 150. Although they may be formed in the uptube 152, none will depart from the spirit and scope of the present invention.

  In the folding electric bicycle 100 disclosed in the present invention, a shelf module 240 including a shelf main body 242, a slide device 246, and a shelf support bar 244 may be further attached to the rear wheel support frame 170. One end of the shelf main body 242 and the shelf support bar 244 is pivotally attached to the rear wheel support frame 170, and the other end of the shelf support bar 244 is pivotally attached to the slide device 246. The slide device 246 can slide on the shelf body 242 so that the shelf body 242 is turned on or off. In FIG. 2, the shelf body 242 is turned off, and in FIG. 3, the shelf body 242 is turned on.

  Please refer to FIG. The folding electric bicycle 100 disclosed in the present invention further rotates the head module 110 rearward so that both the front fork 130 and the front wheel 140 rotate rearward at the same time to enter the storage mode. The storage size of the electric bicycle 100 is further reduced, so that it is convenient for the user to carry.

  Further, when the folding electric bicycle 100 disclosed in the present invention is in the electric scooter mode or the storage mode, the front wheel 140 and the auxiliary wheel 190 are in contact with the ground, and the folding electric bicycle 100 can easily be in a standing posture. It is convenient for the user to carry and enter public places or ride public transport. Although the folding electric bicycle 100 according to the present embodiment has three different usage modes, if only two types of usage modes (that is, electric scooter mode is not required) are required, a support member is used instead of the auxiliary wheel 190. May be used. At this time, when the folding electric bicycle 100 is in a folded state, the support frame comes into contact with the ground and lifts the rear wheel to be in a standing posture.

  Still referring to FIG. FIG. 4 is a perspective view of a folding electric bicycle according to another embodiment disclosed in the present invention. FIG. 5 is a perspective view of an electric scooter formed by folding the folding electric bicycle of FIG.

  As shown in the drawings, the folding electric bicycle 300 includes a head module 110, a front tube 120, a front fork 130, a front wheel 140, a frame 150, a pedal gear set 177, a rear wheel support frame 170, a seat module 220, a rear wheel 180, a battery. 200 and auxiliary wheel 190 are combined. In FIGS. 4-6, the same numbers are used for elements and similar or similar elements in FIGS. I will not repeat it.

  It should be noted that the length of the front tube 120 is further extended and the footrest device 210 is moved up from the front fork 130 to the position of the front tube 120 so that when the user steers, Since it is not affected, the ride comfort can be further improved.

  The frame inclination tube 155 connected to the frame up tube 152 and the seat tube 228 is further increased below the frame up tube 152 of the frame 150, thereby further improving the rigidity and safety of the frame 150. A frame inclined tube extending portion 157 and a post-frame support tube 158 are further formed behind the seat tube 228. To further increase the rigidity and safety of the frame 150, the post-frame support tube 158 is connected to the rear of the frame inclined tube extending portion 157 and the frame up tube extending portion 153.

  Further, the first fixed buckle 229 may be attached to the frame inclined tube extending portion 157 so as to fix the shell of the shaft 178 so that a desired bicycle use mode is obtained.

  Please refer to FIG. The angle of the seat tube 228 is further tilted rearward, that is, the lower portion of the seat tube 228 is tilted further forward, and the upper portion is tilted rearward, so that it does not interfere with the rear wheel 180 in the folded state. it can. For this reason, a larger expansion / contraction space can be provided to the first sheet expansion tube 224, and the structure of the seat module 220 can be simplified. For example, it is not necessary to attach the second sheet expansion tube 226 further. Note that the position of the second fixed buckle 156 may be directly attached to the frame up tube 152 so as to provide a better folding angle. In order to make it easier for a user to operate the folding electric bicycle 100, the battery 200 may be fixed at a position above the front tube 120.

  FIG. 6 is a schematic diagram of a carry bag of a folding electric bicycle according to an embodiment disclosed in the present invention.

  As shown in the drawings, the carry bag 600 may be divided into two front and rear portions 610 and 620 that are partially connected to accommodate a folding electric bicycle for carrying therein, and thereby. Adherent contaminants after riding a foldable electric bicycle can prevent contamination of public transportation or automobile trunks.

  A connecting device 630 such as a zipper, a strap, or a fixed buckle is further provided between the front portion 610 and the rear portion 620 of the carry bag 600 to connect the two to form a complete bag body. Storing. The carry bag 600 may be formed with openings (not shown) at locations corresponding to the head module 110 and the seat module 220, and in this way, the head module 110 and the seat module 220 are lowered into the carry bag 600. Or may be exposed from the carry bag 600, none of which departs from the spirit and scope of the present invention. The carry bag 600 may be stored in the shelf module 240 when not in use so that the user can store and use it easily.

  When the folding electric bicycle is located in the carry bag 600 and is going to be converted into the electric scooter use mode, the coupling device 630 is opened and pasted to the pasting device 642 by the pasting device 640 and pasted. By attaching the device 650 to the attaching device 652, the lower half of the front portion 610 and the rear portion 620 of the carry bag 600 is folded and fixed, and the front wheel 140 and the auxiliary wheel 190 are exposed. The carry bag 600 can be operated using an electric scooter without removing it from the folding electric bicycle.

  FIG. 7A is a perspective view of another type of folding electric bicycle according to an embodiment disclosed in the present invention. FIG. 7B and FIG. 7C are perspective views of a state in which the electric scooter is formed by folding the folding electric bicycle of FIG. 7A and a state in which the electric scooter is completely folded in the storage state. As shown in the drawing, the folding electric bicycle 100 includes a head module 110 ′, a front tube 120, a front fork 130, a front wheel 140, a frame 250, a pedal gear set (not shown), a rear wheel support frame 170, a seat module 220 ( The sheet is omitted in the drawing), and the rear wheel 180, the battery 200 ′ and the auxiliary wheel 190 are combined.

  Unlike the embodiment of FIG. 1, the frame 250 of this embodiment includes a frame up tube 252 and a frame tilt tube 255. By combining the frame up tube 252, the frame inclined tube 255, and the seat tube 228 to form a triangular structure, the strength of the frame 250 is increased. The frame up tube 252 is connected to the front tube 120 forward.

  Further, unlike the embodiment of FIG. 1 in which the battery 200 and the control box 230 are fixed to the front tube 120, the battery 200 ′ of the present embodiment is provided in the frame inclined tube 255, and a control box (not shown). Are merged with the upper end or the lower end of the battery 200 ′.

  Also, unlike the embodiment of FIG. 1 which includes two fixed buckles 156 and 229 for securing the rear wheel support frame 170 to a bicycle mode position and an electric scooter mode position, respectively, A single fixed position pivotally attached to the tube 255 and corresponding to the shaft 178 position of the rear wheel support frame 170 in bicycle mode and electric scooter mode (ie, the modes of FIGS. 7A and 7B), respectively. Fasteners 256 are used. Thus, if the single fastener 256 is fixed, the fixing operation in the bicycle mode and the electric scooter mode can be completed. For the preferred embodiment, this fastener 256 is secured by elastic bumps provided on the frame up tube 252 as shown.

  Note that, unlike the embodiment of FIG. 1 in which the head module 110 is folded so as to expand and contract, the head module 110 ′ of this embodiment is folded in the form of a side fall.

  8A and 8B are schematic views of an auxiliary wheel adjustment module according to an embodiment of the present invention. The auxiliary wheel adjustment module 280 is connected to the support frame down tube 176. This auxiliary wheel adjustment module 280 has two link structures 282, 284 connected to a pedal 286 that moves up and down to push the two auxiliary wheels 190 symmetrically outward. The lower edge of the pedal 286 has a fastener 286a. As shown in FIG. 8b, when the user steps on the pedal 286 and pushes the auxiliary wheel 190 outward by the link structures 282, 284, the fastener 286a located at the lower edge of the pedal engages the shell of the auxiliary wheel shaft. The auxiliary wheel 190 can be fixed.

  As described above, the folding electric bicycle according to the present invention is convenient to ride, drive and store, and the auxiliary wheel further contributes to the standing. The folding electric bicycle according to the present invention is further driven by a built-in motor or an in-wheel motor to save the user's physical strength and provide long-distance movement capability, and at the same time the battery is exhausted or riding. On suitable roads, the user can further drive and advance the bicycle using the pedal gear set, and simultaneously charge the battery using the charger to increase the endurance and range of use of the bicycle. can do. One battery or multiple batteries can be installed for standby or long distance rides.

  Although the embodiments of the present invention have been disclosed as described above, this is not intended to limit the present invention, and various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is based on the contents specified in the subsequent claims for utility model registration.

100, 300 Foldable electric bicycle 110, 110 'Head module 112 Grip 114 Grip telescopic rod 116 Sleeve 118 Head vertical tube 119 Gooseneck part 120 Front tube 130 Front fork 140 Front wheel 150, 250 Frame 152, 252 Frame up tube 153 Frame up tube Extension part 154 Frame down tube 155 Frame inclined tube 156 Second fixed buckle 157 Frame inclined tube extension part 158 Frame rear support tube 160 Shaft 170 Rear wheel support frame 172 Support frame up tube 174 Support frame front tube 176 Support frame down tube 177 Pedal Gear set 178 Shaft 282, 284 Ri Neck structure 286a, 256 Fastener 180 Rear wheel 190 Auxiliary wheel 200, 200 'Battery 210 Foot receiving device 220 Seat module 222 Seat body 224 First seat telescopic tube 226 Second seat telescopic tube 228 Seat tube 229 First fixed buckle 230 Control Box 240 Shelf module 242 Shelf body 244 Shelf support bar 246 Slide device 600 Carry bag 610 Front portion 620 Rear portion 630 Coupling device 640, 642, 650, 652 Pasting device 280 Auxiliary wheel adjustment module 286 Pedal 255 Frame tilt tube

Claims (9)

Frame,
A front tube connected to the frame;
A front fork that is drilled in the front tube and for attaching a front wheel;
A head module connected to the front fork;
A rear wheel support frame pivotally attached to the frame;
A pedal gear set pivotally attached to the rear wheel support frame for driving a rear wheel of the folding electric bicycle in the rear wheel support frame;
A seat module attached to the frame;
A set of auxiliary wheels pivotally attached to the rear wheel support frame;
With
The rear wheel support frame rotates forward to the first position so as to fold the folding electric bicycle and contacts the frame, or rotates rearward to the second position so as to deploy the folding electric bicycle. A folding electric bicycle that can abut against the frame or the seat module.   The foldable electric bicycle according to claim 1, further comprising an in-wheel motor provided at the position of the front wheel of the foldable electric bicycle.   The folding electric bicycle according to claim 1, wherein the frame further includes a fixed buckle that fixes the rear wheel support frame to form a use mode of the bicycle.   The folding electric bicycle according to claim 1, wherein the frame further includes a fixed buckle for fixing the rear wheel support frame in an electric scooter use mode.   The folding electric bicycle according to claim 4, wherein the fixed buckle is used for fixing a pedal shaft housing of the rear wheel support frame.   The foldable electric bicycle according to claim 1, further comprising at least one foot support device attached to the front tube.   The rear wheel support frame includes a support frame up tube, a support frame down tube, and a support frame front tube so as to form a triangular rear wheel support frame, and the folding electric bicycle has a distance between the auxiliary wheel sets. The folding electric bicycle according to claim 1, further comprising an auxiliary wheel adjustment module connected to the support frame up tube and the support frame down tube so as to adjust the angle.   The seat module includes a seat body, a first seat telescopic tube, and a seat tube, the seat tube is fixed to the frame, and the first seat telescopic tube can expand and contract with respect to the seat tube, The foldable electric bicycle according to claim 1, wherein the frame includes a frame up tube and a frame inclined tube so as to be coupled with the tube.   The folding electric bicycle according to claim 8, further comprising at least one battery provided on the frame tilt tube.

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