CN217100268U

CN217100268U - Intelligent electric bicycle driven by double motors

Info

Publication number: CN217100268U
Application number: CN202220712420.2U
Authority: CN
Inventors: 陈春根
Original assignee: Ningbo Zixin Bicycle Industry Co ltd
Current assignee: Ningbo Zixin Bicycle Industry Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-02
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a double-motor driven intelligent electric bicycle, which comprises a frame, wherein the front end and the rear end of the frame are respectively provided with a front wheel and a rear wheel; the middle part of the frame is provided with a chassis, two sides of the chassis are provided with telescopic openings, a transverse moving cavity is arranged in the chassis, a pair of transverse driving assemblies which are symmetrically arranged are arranged in the transverse moving cavity, each transverse driving assembly comprises a driving motor, a screw rod, a limiting guide rail and a sliding block, an output shaft of the driving motor is coaxially and fixedly connected with the screw rod, the sliding block is screwed on the screw rod, and the sliding block is slidably connected on the limiting guide rail; the upper end of the sliding block is fixedly provided with a linkage rod, one end of the linkage rod is fixedly provided with an auxiliary driving assembly which comprises a fixing piece, an extension spring, a swing rod and an auxiliary wheel, the fixing piece is fixedly connected with the linkage rod, the swing rod is rotatably connected with the fixing piece, two ends of the extension spring are respectively fixedly connected with the fixing piece and the swing rod, and the auxiliary wheel is rotatably connected with the swing rod. The utility model provides electric bicycle's automobile body stability and easy trafficability characteristic have been promoted.

Description

Intelligent electric bicycle driven by double motors

Technical Field

The utility model relates to an electric bicycle technical field especially relates to a two motor drive's intelligent electric bicycle.

Background

The electric bicycle is a vehicle which takes a storage battery as an auxiliary energy source, is provided with a motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle. The electric bicycle needs to be driven by a motor to run. At present, the existing electric bicycle is generally provided with only a front driving wheel and a rear driving wheel, and the electric bicycle provided with only the front driving wheel and the rear driving wheel is easy to rollover and has poor structural stability in the running process. There are electric bicycles in the market in which auxiliary wheels are installed on both sides of a rear driving wheel, but such electric bicycles have a large lateral width, which is disadvantageous in passing through a narrow road section.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a two motor drive's intelligent electric bicycle for promote electric bicycle's automobile body stability and easy trafficability characteristic simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: the intelligent electric bicycle driven by the double motors comprises a frame, wherein front wheels and rear wheels are respectively arranged at the front end and the rear end of the frame, and the front wheels and the rear wheels are both electric wheels with motors;

a chassis is arranged in the middle of the frame, telescopic openings are formed in two sides of the chassis, a transverse moving cavity is arranged in the chassis, the telescopic openings are communicated with the transverse moving cavity, a pair of transverse driving assemblies are symmetrically arranged in the transverse moving cavity, each transverse driving assembly comprises a driving motor, a screw rod, a limiting guide rail and a sliding block, one ends of the driving motors, far away from output shafts, are abutted, the output shafts of the driving motors are coaxially and fixedly connected with the screw rods, the limiting guide rails are parallel to the screw rods and are positioned under the screw rods, the sliding blocks are in threaded connection with the screw rods, and the sliding blocks are further in sliding connection with the limiting guide rails;

the upper end of the sliding block is fixedly provided with a linkage rod, the linkage rod is parallel to the screw rod, the linkage rod penetrates through the telescopic opening and extends out of the chassis, one end, far away from the sliding block, of the linkage rod is fixedly provided with an auxiliary driving assembly, the auxiliary driving assembly comprises a fixing piece, an extension spring, a swing rod and an auxiliary wheel, the fixing piece is fixedly connected with the linkage rod, the swing rod is rotatably connected with the fixing piece, one end of the extension spring is fixedly connected with the top of the side end of the fixing piece, the other end of the extension spring is fixedly connected with the middle part of the side end of the swing rod, and the auxiliary wheel is rotatably connected with one end, far away from the fixing piece, of the swing rod;

when the swing rod and the chassis are in the same horizontal plane, the extension spring contracts to the minimum length; when the swing rod rotates to be vertical to the chassis, the extension spring is extended to the maximum length, and the auxiliary wheel abuts against the ground.

Furthermore, the transverse driving assembly further comprises a supporting piece, a clamping piece and a pulley, the supporting piece is detachably sleeved on the linkage rod, the clamping piece fixedly clamps the lower end of the supporting piece, the pulley is rotatably connected to the lower end of the clamping piece, a sliding groove is formed in the transverse moving cavity and is parallel to the screw rod, and the pulley is in rolling connection in the sliding groove.

Furthermore, a first screw hole is formed in the supporting piece, a plurality of second screw holes are uniformly formed in the linkage rod in a penetrating mode, and a bolt is connected between the first screw hole and the second screw holes in a threaded mode.

Furthermore, a cleaning opening is formed in the upper end of the chassis and communicated with the transverse moving cavity, a cleaning rotating door is rotatably arranged in the cleaning opening, a plurality of buckles are arranged at the side end of the cleaning rotating door, a plurality of notches are formed in the upper end of the chassis around the cleaning opening, and the buckles are buckled in the notches.

Further, a sealing ring is arranged on the inner side wall of the cleaning opening and made of flexible sealing materials.

Furthermore, a rotation limiting block is arranged at the bottom of the side end of the fixing piece, and when the swing rod rotates to be perpendicular to the chassis, the upper end of the swing rod is abutted to the rotation limiting block.

Furthermore, an included angle is formed between the swing rod and the chassis, and the included angle is 15-45 degrees.

The utility model has the advantages that:

the transverse driving assembly is arranged in the chassis, so that the swing rod is driven by the driving motor to shrink into the transverse moving cavity when the auxiliary wheel is not needed, and the passing easiness of the electric bicycle in a narrow road section is effectively improved; meanwhile, the auxiliary driving assembly is arranged at the side end of the chassis, so that the swing rod can be swung to be perpendicular to the chassis by feet when the auxiliary wheel needs to be used, the auxiliary wheel is abutted to the ground, and the stability of the body of the electric bicycle is effectively improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the middle chassis of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

Reference numerals: 2. a frame; 21. a front wheel; 22. a rear wheel; 3. a chassis; 32. transversely moving the cavity; 33. cleaning the opening; 34. cleaning the revolving door; 4. a lateral drive assembly; 41. a drive motor; 42. a screw; 43. limiting a guide rail; 44. a slider; 45. a linkage rod; 451. a second screw hole; 452. a bolt; 46. a support member; 461. a first screw hole; 47. a clamping member; 48. a pulley; 5. a travel assist assembly; 51. a fixing member; 52. an extension spring; 53. a swing rod; 54. an auxiliary wheel; 55. the limiting block is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and fig. 2, the intelligent electric bicycle driven by two motors of the present embodiment includes a frame 2, a front wheel 21 and a rear wheel 22 are respectively installed at the front end and the rear end of the frame 2, and both the front wheel 21 and the rear wheel 22 are electric wheels with motors;

the middle part of the frame 2 is provided with a chassis 3, two sides of the chassis 3 are provided with telescopic openings, a transverse moving cavity 32 is arranged in the chassis 3, the telescopic openings are communicated with the transverse moving cavity 32, a pair of transverse driving components 4 are symmetrically arranged in the transverse moving cavity 32, each transverse driving component 4 comprises a driving motor 41, a screw 42, a limiting guide rail 43 and a sliding block 44, one ends of the driving motors 41 far away from an output shaft are abutted, the output shaft of the driving motor 41 is coaxially and fixedly connected with the screw 42, the limiting guide rail 43 is parallel to the screw 42 and is positioned under the screw 42, the sliding block 44 is screwed on the screw 42, and the sliding block 44 is further connected to the limiting guide rail 43 in a sliding manner;

the upper end of the sliding block 44 is also fixedly provided with a linkage rod 45, the linkage rod 45 is parallel to the screw rod 42, the linkage rod 45 penetrates through the telescopic opening and extends out of the chassis 3, one end, far away from the sliding block 44, of the linkage rod 45 is fixedly provided with an auxiliary driving assembly 5, the auxiliary driving assembly 5 comprises a fixed piece 51, an extension spring 52, a swing rod 53 and an auxiliary wheel 54, the fixed piece 51 is fixedly connected with the linkage rod 45, the swing rod 53 is rotatably connected with the fixed piece 51, one end of the extension spring 52 is fixedly connected with the top of the side end of the fixed piece 51, the other end of the extension spring 52 is fixedly connected with the middle of the side end of the swing rod 53, and the auxiliary wheel 54 is rotatably connected with one end, far away from the fixed piece 51, of the swing rod 53;

when the swing rod 53 and the chassis 3 are in the same horizontal plane, the extension spring 52 contracts to the minimum length; when the swing link 53 is rotated to be perpendicular to the chassis 3, the extension spring 52 is extended to the maximum length, and the auxiliary wheel 54 abuts against the ground.

According to the technical scheme, the transverse driving assembly 4 is arranged in the chassis 3, so that the swinging rod 53 is driven by the driving motor 41 to contract towards the inside of the transverse moving cavity 32 when the auxiliary wheel 54 is not needed, and the passing easiness of the electric bicycle in a narrow road section is effectively improved; meanwhile, the auxiliary traveling assembly 5 is arranged at the side end of the chassis 3, so that the swing rod 53 can be swung to be perpendicular to the chassis 3 by feet when the auxiliary wheel 54 needs to be used, the auxiliary wheel 54 is abutted to the ground, and the stability of the body of the electric bicycle is effectively improved.

Preferably, the transverse driving assembly 4 further comprises a supporting member 46, a clamping member 47 and a pulley 48, the supporting member 46 is detachably sleeved on the linkage rod 45, the clamping member 47 is fixedly clamped at the lower end of the supporting member 46, the pulley 48 is rotatably connected at the lower end of the clamping member 47, a sliding groove is arranged in the transverse moving cavity 32 and is parallel to the screw rod 42, and the pulley 48 is in rolling connection in the sliding groove.

Specifically, in the embodiment, the supporting piece 46, the clamping piece 47 and the pulley 48 are arranged on the linkage rod 45, so that the pulley 48 on the clamping piece 47 can slide along with the linkage rod 45 when the sliding block 44 is pulled transversely, and meanwhile, the clamping piece 47 provides a vertically upward supporting force for the supporting piece 46, so that the structural stability of the linkage rod 45 is improved.

Preferably, the supporting member 46 is provided with a first screw hole 461, the linkage rod 45 is uniformly provided with a plurality of second screw holes 451 in a penetrating manner, and a bolt 452 is screwed between the first screw hole 461 and the second screw holes 451.

Specifically, in this embodiment, the second screw holes 451 are uniformly formed in the linkage rod 45, and the first screw holes 461 are formed in the supporting member 46, so that the supporting member 46 can conveniently find a suitable position on the linkage rod 45 for installation and fixation, and the fixing position can be flexibly changed according to actual conditions.

Preferably, the upper end of the chassis 3 is provided with a cleaning opening 33, the cleaning opening 33 is communicated with the transverse moving cavity 32, a cleaning rotating door 34 is rotatably arranged in the cleaning opening 33, a plurality of buckles are arranged at the side end of the cleaning rotating door 34, and the upper end of the chassis 3 is provided with a plurality of notches around the cleaning opening 33, and the buckles are buckled in the notches.

Specifically, in the embodiment, the cleaning rotating door 34 is arranged in the cleaning opening 33, and the buckle is arranged on the cleaning rotating door 34, so that when the cleaning rotating door 34 needs to be opened to clean the inside of the traverse chamber 32, the buckle is firstly released from the notch, and then the cleaning rotating door 34 is rotated; when the cleaning rotating door 34 needs to be closed, the cleaning rotating door 34 is rotated to be folded, and then the buckle is buckled in the groove to complete buckling.

Preferably, a sealing ring is arranged on the inner side wall of the cleaning opening 33, and the sealing ring is made of flexible sealing material.

Specifically, in this embodiment, the sealing ring is disposed on the inner side wall of the cleaning opening 33, so that the sealing performance of the cleaning opening 33 is effectively improved, and the flexible sealing material may be silicone rubber.

Preferably, a rotation limiting block 55 is arranged at the bottom of the side end of the fixing member 51, and when the swing rod 53 rotates to be perpendicular to the chassis 3, the upper end of the swing rod 53 abuts against the rotation limiting block 55.

Specifically, in this embodiment, the rotation limiting block 55 is provided to limit the rotation angle of the swing link 53, so as to limit the swing link 53 to rotate only by 90 ° at most.

Preferably, the swing link 53 forms an included angle with the chassis 3, and the included angle is 15 ° to 45 °.

Specifically, in the present embodiment, the angle between the swing and the chassis 3 is 44 °. Through set up the contained angle between pendulum rod 53 and chassis 3 to restrict the angle of contained angle, ground, auxiliary wheel 54 and electric wheel are triangular structure when making auxiliary wheel 54 and ground contact, thereby have promoted electric bicycle's structural stability.

The working principle is as follows:

when the auxiliary wheel 54 needs to be used by the electric bicycle, the driving motor 41 runs positively, the driving slide block 44 slides outwards in the limiting guide rail 43 to drive the linkage rod 45 to move outwards, so as to drive the auxiliary traveling component 5 to extend outwards, when the auxiliary traveling component 5 extends to the maximum extent, a user pushes the swing rods 53 on two sides of the chassis 3 to rotate downwards by using feet, so that the two swing rods 53 are perpendicular to the chassis 3, and the auxiliary wheels 54 on two sides of the chassis 3 are abutted against the ground, so that the structural stability of the electric bicycle is improved; when the electric bicycle needs to pass through a narrow road section, a user pushes the swing rods 53 on two sides of the chassis 3 to rotate upwards by feet, so that the two swing rods 53 and the chassis 3 are positioned on the same horizontal plane, then the driving motor 41 runs in the reverse direction, the driving slide block 44 slides inwards in the limiting guide rail 43 to drive the linkage rod 45 to move inwards, and then the auxiliary driving component 5 is driven to contract inwards until the auxiliary driving component 5 contracts to the maximum degree, at the moment, the width of the electric bicycle is effectively reduced, and therefore the passing easiness of the electric bicycle on the narrow road section is improved.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a two motor drive's intelligent electric bicycle which characterized in that: the bicycle comprises a bicycle frame (2), wherein front wheels (21) and rear wheels (22) are respectively arranged at the front end and the rear end of the bicycle frame (2), and the front wheels (21) and the rear wheels (22) are electric wheels with motors;

a chassis (3) is arranged in the middle of the frame (2), telescopic openings are arranged on two sides of the chassis (3), a transverse moving cavity (32) is arranged in the chassis (3), the telescopic opening is communicated with the transverse moving cavity (32), a pair of transverse driving components (4) which are symmetrically arranged are arranged in the transverse moving cavity (32), the transverse driving component (4) comprises a driving motor (41), a screw rod (42), a limiting guide rail (43) and a sliding block (44), one end of the driving motor (41) far away from the output shaft is abutted, the output shaft of the driving motor (41) is coaxially and fixedly connected with the screw rod (42), the limiting guide rail (43) is parallel to the screw rod (42) and is positioned under the screw rod (42), the sliding block (44) is in threaded connection with the screw rod (42), and the sliding block (44) is further connected to the limiting guide rail (43) in a sliding mode;

a linkage rod (45) is also fixedly arranged at the upper end of the sliding block (44), the linkage rod (45) is parallel to the screw rod (42), the linkage rod (45) penetrates through the telescopic opening and extends out of the chassis (3), an auxiliary driving assembly (5) is fixed at one end of the linkage rod (45) far away from the sliding block (44), the auxiliary driving assembly (5) comprises a fixing piece (51), an extension spring (52), a swing rod (53) and an auxiliary wheel (54), the fixing piece (51) is fixedly connected with the linkage rod (45), the swing rod (53) is rotatably connected with the fixing piece (51), one end of the extension spring (52) is fixedly connected with the top of the side end of the fixed part (51), the other end of the extension spring (52) is fixedly connected with the middle part of the side end of the swing rod (53), the auxiliary wheel (54) is rotatably connected to one end of the swing rod (53) far away from the fixed part (51);

when the swing rod (53) and the chassis (3) are in the same horizontal plane, the extension spring (52) contracts to the minimum length; when the swing rod (53) rotates to be vertical to the chassis (3), the extension spring (52) is extended to the maximum length, and the auxiliary wheel (54) is abutted to the ground.

2. The intelligent electric bicycle of claim 1, wherein: the transverse driving assembly (4) further comprises a supporting piece (46), a clamping piece (47) and a pulley (48), the supporting piece (46) is detachably sleeved on the linkage rod (45), the clamping piece (47) fixedly clamps the lower end of the supporting piece (46), the pulley (48) is rotatably connected to the lower end of the clamping piece (47), a sliding groove is formed in the transverse moving cavity (32), the sliding groove is parallel to the screw rod (42), and the pulley (48) is in rolling connection in the sliding groove.

3. The intelligent electric bicycle of two motor drives of claim 2, characterized in that: the supporting piece (46) is provided with a first screw hole (461), the linkage rod (45) is uniformly provided with a plurality of second screw holes (451) in a penetrating mode, and a bolt (452) is connected between the first screw hole (461) and the second screw holes (451) in a threaded mode.

4. The intelligent electric bicycle of claim 1, wherein: a cleaning opening (33) is formed in the upper end of the chassis (3), the cleaning opening (33) is communicated with the transverse moving cavity (32), a cleaning rotating door (34) is rotatably arranged in the cleaning opening (33), a plurality of buckles are arranged at the side end of the cleaning rotating door (34), a plurality of notches are formed in the upper end of the chassis (3) around the cleaning opening (33), and the buckles are buckled in the notches.

5. The intelligent electric bicycle of two motor drives of claim 4, characterized in that: and a sealing ring is arranged on the inner side wall of the cleaning opening (33), and is made of a flexible sealing material.

6. The intelligent electric bicycle of claim 1, wherein: the bottom of the side end of the fixing piece (51) is provided with a rotation limiting block (55), and when the swing rod (53) rotates to be perpendicular to the chassis (3), the upper end of the swing rod (53) is abutted against the rotation limiting block (55).

7. The intelligent electric bicycle of claim 1, wherein: an included angle is formed between the swing rod (53) and the chassis (3), and the included angle is 15-45 degrees.