WO2016127690A1

WO2016127690A1 - Foldable electric bicycle

Info

Publication number: WO2016127690A1
Application number: PCT/CN2015/096114
Authority: WO
Inventors: 乐峥
Original assignee: 无锡科乐威尔智能科技有限公司
Priority date: 2015-02-13
Filing date: 2015-12-01
Publication date: 2016-08-18
Also published as: CN104709415B; CN104709415A

Abstract

Disclosed is a foldable electric bicycle, which comprises a bicycle frame, wheels (3), a handlebar (6) and a seat cushion (2). A rechargeable battery is installed in the front wheel. A drive electric motor and a controller are installed in the rear wheel. The bicycle frame comprises wheel frames (1) which are hinged to each other at the front and back. Each wheel frame is formed by connecting two half structures through multiple pins (10). A front wheel frame and a rear wheel frame are connected through a wheel frame folding and locking structure (5). Each wheel frame is provided with a wheel rim (11) used for containing the corresponding wheel. The wheels are connected to the wheel frames through a wheel folding and locking structure (4). The handlebar (6) is installed on the front wheel frame through a vertical rod (8) and a cross rod (7). The vertical rod is inserted into the front wheel frame and locked by a lifting and locking structure (13). The cross rod is hinged to the upper end of the vertical rod. The end of the cross rod is hinged to the handlebar. The seat cushion (2) is installed on the rear wheel frame through a lifting rod (9). The upper end of the lifting rod is connected to the seat cushion through a folding structure. According to the foldable electric bicycle, multiple folding and locking structures are adopted, such that the wheels can be folded relative to the wheel frames, the wheel frames can be folded, the seat cushion can be folded, and the handlebar can be folded. The space occupied is greatly reduced after the foldable electric bicycle is folded, and the foldable electric bicycle is simple in structure and convenient to operate.

Description

Title of the invention: folding electric bicycle

Technical field

[0001] The present invention relates to the field of bicycle technology, and more particularly to a foldable electric bicycle.

Background technique

[0002] Electric bicycles have become more and more popular because of their energy-saving, environmentally-friendly and convenient use. Existing electric bicycles generally do not have a folding function, and if they are not used, they occupy a large space and need to arrange a certain parking space.

technical problem

[0003] At present, there is a foldable electric bicycle, which can reduce the volume after folding, but since it can only fold and fold the wheel to realize vertical folding, the faucet and the seat cushion can not be folded, and the volume thereof It is still large and inconvenient to carry; and the battery of the electric bicycle occupies more space, which affects the folding operation.

Problem solution

Technical solution

[0004] The present applicant provides a folding electric bicycle that is foldable, easy to fold, small in size, and convenient to carry, in view of the above-mentioned shortcomings of the existing electric bicycle.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A folding electric bicycle includes a frame, a wheel, a faucet and a seat cushion, a rechargeable battery is mounted in the front wheel, a drive motor and a controller are mounted in the rear wheel, and the frame includes a front and rear hinged wheel frame, the wheel The frame is formed by two pin structures connected by a plurality of pins, and the front and rear wheel frames are connected by a wheel frame folding lock structure; the wheel frame is provided with a wheel rim, and the wheel is connected with the wheel frame through the wheel folding lock structure; The rod and the cross rod are mounted on the front wheel frame, the pole rod is inserted on the front wheel frame and locked by the lifting lock structure, the cross rod is hinged with the upper end of the pole rod, and the end of the cross rod is hinged to the faucet; The lifting rod is mounted on the rear wheel frame, and the upper end of the lifting rod is connected to the seat cushion through a folding structure.

[0007] As a further improvement of the above technical solution:

[0008] The wheel frame folding lock structure comprises an intermediate folding box, and the middle folding box is rotatably mounted and front and rear wheel frames are fixed a bolt, a side of the bolt connected to the rear wheel frame is provided with a wheel frame locker, the wheel frame locker includes a locking rod, and a lower end of the locking rod is inserted into a socket on the wheel frame, The upper end is in contact with the locking seat by the first spring, the locking seat is fixedly connected in the middle folding box, the locking rod has a wedge block, and the wedge block cooperates with the wedge button on the radial side of the locking rod; A charging module of the battery is mounted in the folding box, and a charging hole of the charging module is disposed on a lower side of the intermediate folding box.

[0009] The wheel folding lock structure includes a support plate fixedly connected to the connecting plate on the wheel side, a folding rotating shaft fixed on the wheel frame, and a wheel locker on the folding rotating shaft side, and the upper end of the supporting plate rotates with the folding rotating shaft The wheel locker includes a locking rod on the upper and lower end sides of the folding shaft, and the locking rod is slidably mounted on the locking seat by the second spring. The locking seat is mounted with a locking button through the non-returning piece.

[0010] The vertical rod is slidably mounted on the wheel frame and locked by the lifting and locking structure, and a friction sleeve is further installed between the vertical rod and the wheel frame; the lifting and locking structure comprises a pulling rod installed through the vertical rod, and the pulling rod The upper end is connected to the pull ring, and the lower end is connected to the vertical pulling block in the locking box, and the vertical pulling block and the horizontal pulling block are contacted by the matching wedge structure, and the two ends of the horizontal pulling block are respectively extended with the locks on both sides of the vertical rod Tongue, a third spring is connected between the two horizontal pulling blocks.

[0011] The seat cushion includes a hinged vertical folding block and a horizontal folding block, and the two cushion bottom plates are symmetrically hinged on both sides of the vertical folding block, and the cushion bottom plate is mounted with a backing plate.

[0012] The faucet includes a support rod fixed to an end of the cross rod, the two ends of the support rod are hinged with a walking rod, and a locking sleeve is mounted at a joint of the supporting rod and the supporting rod.

Advantageous effects of the invention

Beneficial effect

[0013] The beneficial effects of the present invention are as follows:

[0014] The invention adopts a plurality of folding lock structures to realize folding of the wheel relative to the wheel frame, folding between the wheel frames, folding of the seat cushion and folding of the faucet, and greatly reducing the occupied space after folding; the folding locking structure is simple, Easy to operate.

Brief description of the drawing

DRAWINGS

1 is a perspective structural view of the present invention.

2 is a partial perspective structural view of the present invention. 3 is a partially enlarged structural view of a portion A of FIG. 2.

4 is an internal structural view of a wheel frame folding lock structure of the present invention.

5 is a perspective view of the wheel frame folding lock structure of the present invention.

6 is a partial structural view of a wheel frame folding lock structure.

[0021] FIG. 7 is another perspective structural view of the wheel frame folding lock structure.

8 is another perspective structural view of the present invention.

9 is a perspective structural view of a wheel folding lock structure of the present invention.

10 is another direction view of FIG. 9.

11 is a partial structural view of the present invention.

12 is an internal structural view of a center pole of the present invention.

[0027] FIG. 13 is a view showing the locking structure of the inside of the neutral pole of the present invention.

[0028] FIG. 14 is a view showing a locking structure inside the center pole of the present invention.

15 is a structural view of a seat cushion of the present invention.

16 is a perspective structural view of the present invention after folding.

17 is another direction view of FIG. 16.

[0032] In the figure: 1, wheel carrier; 11, rim; 13, lifting lock structure; 130, drawbar; 131, lock box; 1 32, vertical pull block; 133, horizontal pull block; 134, lock Tongue; 135, third spring; 136, pull ring; 2, seat cushion; 21, pad; 22, seat cushion bottom plate; 23, horizontal folding block; 24, vertical folding block; 3, wheel; 31, connecting plate; 4, the wheel folding lock structure; 40, the second locking seat; 41, the support plate; 42, the wheel locker; 43, folding the shaft; 44, the lock button; 45, the second locking bar; Rebound piece; 47, second spring; 5, wheel frame folding lock structure; 51, intermediate folding box; 52, bolt; 53 , first locking rod; 54, wedge block; 55, first spring; 56, charging 57; first locking seat; 58, wedge button; 59, charging hole; 6, faucet; 61, support rod; 62, walking rod; 63, locking sleeve; 7, crossbar; 9, lifting rod; 91, friction sleeve; 10, pin.

Embodiments of the invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings.

[0034] As shown in FIG. 1, the folding electric bicycle of the embodiment includes a frame, a wheel 3, a faucet 6, and a seat cushion 2, A rechargeable battery is mounted in the front wheel 3, and a drive motor and a controller (not shown) are mounted in the rear wheel 3. The frame includes a front and rear hinged wheel frame 1, as shown in Fig. 2, the wheel carrier 1 is passed by two halves. The pins 10 are connected; the front and rear wheel frames 1 are connected by a wheel frame folding lock structure 5; the wheel frame 1 is provided with a wheel 11 for placing the wheel 3, and the wheel 3 is connected to the wheel frame 1 by the wheel folding lock structure 4, the wheel 3 is rotated and placed in the rim 11 (see Fig. 16.6, Fig. 17); the faucet 6 is mounted on the front wheel frame 1 via the upright 8 and the crossbar 7, and the upright 8 is inserted on the front wheel frame 1 and passed The lifting lock structure (13) is locked, the upright 8 can be lifted and lowered; the crossbar 7 is hinged with the upper end of the upright 8, and the rotation of the crossbar 7 relative to the upright 8 is as shown by the arrow in Fig. 2, the crossbar The end hinge faucet 6 of 7; the seat cushion 2 is mounted on the rear wheel frame 1 by a lifting rod 9, and the upper end of the lifting rod 9 is connected to the seat cushion 2 by a folding structure.

[0035] As shown in FIG. 2 to FIG. 7, the wheel frame folding lock structure 5 includes an intermediate folding box 51, and a bolt 52 attached to the front and rear wheel frame 1 is rotatably mounted on the middle folding box 51, and is connected to the rear wheel frame 1. One side of the bolt 52 is provided with a wheel frame locker, and the wheel frame locker includes a first locking rod 53. The lower end of the first locking rod 53 is inserted into the socket on the wheel frame 1, and the upper end thereof is A spring _{55 is in} contact with the first locking seat _{57. The} first locking seat 57 is fixed in the middle folding box 51. The first locking rod 53 is provided with a wedge block 54, a wedge block 54 and a first locking rod. The wedge-shaped button 58 on the radial side is engaged; the charging module 56 of the battery is mounted in the intermediate folding box 51, and the charging hole 59 of the charging module 56 is disposed on the lower side of the intermediate folding box 51. The operation of the wheel frame folding lock structure 5 is as follows: The front and rear wheel frames 1 are mounted on the bolts 52. After the intermediate folding box 51 is rotated, the rear wheel frame 1 is rotated 90 degrees with respect to the intermediate folding box 51, and the first locking rod 53 is rotated. Directly facing the insertion hole on the rear wheel frame 1, the elastic action of the first spring 55 pushes the first locking lever 53 downwardly into the insertion hole, thereby preventing the rear wheel carrier 1 from rotating relative to the intermediate folding box 51; When the wedge button 58 is pressed, the first locking lever 53 is pushed up and disengaged from the rear wheel carrier 1, and the front and rear wheel carriers 1 can be rotated; since the front wheel needs a rotating operation, the bolt 52 side connected to the front wheel carrier 1 No wheel carrier locker.

[0036] As shown in FIG. 2, FIG. 8 to FIG. 10, the wheel folding lock structure 4 includes a support plate 41 fixed to the land 31 on the side of the wheel 3, a folding shaft 43 fixed to the wheel frame 1, and a folding shaft 43. The wheel locker 42 on the side of the rotating shaft 43 has an upper end of the support plate 41 rotatably coupled to the folding shaft 43. The wheel locker 42 includes a second locking lever 45 on the upper and lower end sides of the folding shaft 43. The second locking lever 45 passes The second spring 47 is slidably mounted on the second locking seat 40, and the second locking seat 40 is mounted with a locking button 44 via the retaining spring 46. The operation of the wheel folding lock structure 4 is as follows: The wheel 3 is rotated around the edge of the wheel frame 1 to a plane parallel to the wheel carrier 1, that is, rotating Moving 180 degrees, the second locking lever 45 is opposite to the locking hole (not shown) on the front wheel frame 1, pressing the locking button 44 to push the check elastic piece 45 to sink, and the second spring 47 pushing the second locking rod 45 is inserted into the locking hole to prevent the wheel 3 from rotating; when the folding cymbal is required, the end of the second locking rod 45 is directly pressed, and under the action of the non-returning piece 46, the second locking rod 46 does not rebound. Turn the wheel 3.

[0037] As shown in FIG. 9 to FIG. 14, the upright 8 is slidably mounted on the wheel frame 1 and locked by the lift lock structure 13, and a friction sleeve 91 is further installed between the upright 8 and the wheel frame 1; 13 includes a pull rod 1 30 installed in the vertical rod 8. The upper end of the pull rod 130 is connected to the pull ring 136, and the lower end thereof is connected to the vertical pulling block 132 in the lock box 131. The vertical pulling block 132 and the horizontal pulling block 133 are matched. The two sides of the horizontal pulling block 133 are provided with a locking bolt 134 extending from both sides of the vertical rod 8 , and a third spring 135 is connected between the two horizontal pulling blocks 133 . The use of the lifting and locking structure 13 is as follows: The pole 8 is inserted into the wheel carrier 1, and under the action of the third spring 135, the locking tongue 134 automatically extends out of the locking hole on the wheel carrier 1 (including a plurality of upper and lower settings) Keyhole, adjust the height of the pole 8), realize the positioning of the pole 8; need to unlock the 吋, pull the zipper 136, the vertical pulling block 132 rises, the vertical pulling block 132 pushes the horizontal pulling block 133 to inwardly retract, the detaching wheel Rack 1.

[0038] As shown in FIG. 15, the seat cushion 2 includes a hinged vertical folding block 24 and a horizontal folding block 23, and the two cushion bottom plates 22 are symmetrically hinged on both sides of the vertical folding block 24, and the seat cushion bottom plate 22 is mounted with a backing plate. twenty one. When folding the cymbal, first, the seat cushion bottom plate 22 and the backing plate 21 on both sides are folded 90 degrees with respect to both sides of the vertical folding block 24, and then the vertical folding block 24 is folded around the end of the horizontal folding block 23 to a proper position.

As shown in FIG. 16 and FIG. 17, the faucet 6 includes a support rod 61 fixed to the end of the crossbar 7, and the two ends of the support rod 61 are hinged with the handle bar 62, and the connecting rod 62 is connected with the support rod 61. A locking sleeve 63 is mounted at the location. The faucet 6 is folded, and the locking sleeve 63 is first twisted from both ends of the support rod 61, and the handle bar 62 is rotated around the both ends of the support rod 61.

[0040] The folded state of the present invention is shown in Figs. 16 and 17 .

Claims

Claim

[Claim 1] A folding electric bicycle including a frame, a wheel (3), a faucet (6), and a seat cushion (2)

), a rechargeable battery is installed in the front wheel (3), and a drive motor and a controller are mounted in the rear wheel (3), wherein the frame comprises a front and rear hinged wheel frame (1), and the wheel carrier (1) is The two halves are connected by a plurality of pins (10), and the front and rear wheel frames (1) are connected by a wheel frame folding lock structure (5); the wheel frame (1) has a wheel (3) on which the wheels (3) are placed (1 1 ) , the wheel (3) is connected to the wheel carrier (1) by the wheel folding lock structure (4);

(6) Mounted on the front wheel frame (1) via the upright (8) and crossbar (7), the pole (8) is inserted on the front wheel frame (1) and locked by the lifting lock structure (13) Tightly, the crossbar (7) is hinged to the upper end of the upright (8), and the end of the crossbar (7) is hinged to the faucet (6);

(2) Attached to the rear wheel carrier (1) by the lifting rod (9), the upper end of the lifting rod (9) is connected to the seat cushion (2) by a folded structure.

[Claim 2] The folding electric bicycle according to claim 1, wherein: the wheel frame folding lock structure (5) includes an intermediate folding box (51), and the middle folding box (51) is rotatably mounted and front and rear The wheel carrier (1) is fixed with a bolt (52), and one side of the bolt (52) connected to the rear wheel carrier (1) is provided with a wheel frame locker, and the wheel frame locker includes a first lock lever (53), the lower end of the first locking lever (53) is inserted into the jack on the wheel carrier (1), and the upper end thereof is contacted with the first locking seat ( ₅₇ ) by the first spring ( ₅₅ ), a locking seat ₍₅₇₎ secured to the intermediate folding box (51), with said first locking bar (53) wedge (54), wedge ₍₅₄₎ and the first locking bar ( 53) The wedge button (58) on the radial side is matched; the charging module (56) of the rechargeable battery is installed in the middle folding box (51), and the charging hole (59) of the charging module (56) is disposed in the middle folding box ( 51) The underside.

[Claim 3] The folding electric bicycle according to claim 1, wherein: the wheel folding lock structure (4) includes a support plate (41) fixed to a land (31) on the wheel (3) side. , the folding shaft (43) fixed on the wheel frame (1) and the wheel locker (42) on the side of the folding shaft (43), the upper end of the supporting plate (41) is rotatably connected with the folding shaft (43); The wheel locker (42) includes a second second locking lever (45) on the upper and lower end sides of the folding shaft (43), and the second second locking lever (45) is slidably mounted by the second spring (47) Mounted on the second locking seat (40), the second locking seat (40) is mounted with a locking button (44) via a non-return spring (46).

[Claim 4] The folding electric bicycle according to claim 1, wherein: the upright (8) is slidably mounted on the wheel carrier (1) and locked by a lifting lock structure (13), the pole (8) A friction sleeve (91) is also mounted between the wheel carrier (1); the lifting lock structure (13) includes a pull rod (130) that is inserted through the pole (8), and the upper end of the pull rod (130) is connected The ring (1 36) has a lower pull block (132) connected to the lock box (131) at the lower end, and the vertical pull block (132) and the horizontal pull block (133) are contacted by the mating wedge structure to pull the block horizontally. (133) has a locking tongue (134) on both sides of the extension rod (8) at both ends, and a third spring (135) is connected between the two horizontal pulling blocks (133).

[Claim 5] The folding electric bicycle according to claim 1, wherein: the seat cushion (2) comprises a hinged vertical folding block (24) and a horizontal folding block (23), and the two cushion bottom plates (22) are symmetrical Hinged to the sides of the vertical folding block (24), and the backing plate (22) is mounted with a backing plate (21)

[Claim 6] The folding electric bicycle according to claim 1, wherein: the faucet (6) includes a support rod (61) fixed to an end of the crossbar (7), and the support rod (61) A hinged lever (62) is attached at both ends, and a locking sleeve (63) is attached to the joint of the walking rod (62) and the supporting rod (61).