CN210391386U

CN210391386U - Labor-saving supporting device for preventing rear wheel of electric bicycle from being punctured

Info

Publication number: CN210391386U
Application number: CN201921397860.8U
Authority: CN
Inventors: 谢丽荣
Original assignee: Tianjin Frande Electric Bicycle Co Ltd
Current assignee: Tianjin Frande Electric Bicycle Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-24
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a laborsaving strutting arrangement of electric bicycle rear wheel explosion-proof child, including rear wheel and rear seat frame, the surface at rear wheel bearing post both ends and the bottom fixed connection of rear seat frame, the surface of rear wheel bearing post and the equal threaded connection in the left and right sides that is located the rear seat frame have square piece, and the surface sliding connection of square piece has the bracing piece, and the one end fixedly connected with gyro wheel of square piece is kept away from to the bracing piece, and the internal surface sliding connection of gyro wheel has the tightening device, and the top fixedly connected with elastic fixation block of rear seat frame, the surface sliding connection of elastic fixation block have the hoist and mount board, the utility model relates to an electric bicycle technical field. This laborsaving strutting arrangement of explosion-proof child of electric bicycle rear wheel hoists the gyro wheel in rear seat frame bottom, saves under the condition that does not influence all the other parts and use for later use, and it is convenient not only to dismantle, can also keep off the rainwater that comes from the device top by check, protects internal screw thread, and then guarantees the normal use of device.

Description

Labor-saving supporting device for preventing rear wheel of electric bicycle from being punctured

Technical Field

The utility model relates to an electric bicycle technical field specifically is a laborsaving strutting arrangement of explosion-proof child of electric bicycle rear wheel.

Background

In recent years, the electric vehicle has become a new transportation tool in cities due to the characteristics of lightness, time saving and labor saving, can realize zero emission during running and no pollution to the atmosphere as a new generation of transportation tool, meets the requirements of energy saving and environmental protection at present, but on one hand, the electric vehicle is too heavy, and is difficult to lift by some people, and is very laborious when parking the vehicle; on the other hand, the daily manned rear wheel of the electric bicycle is heavy in load, and particularly, the temperature in summer is too high, so that the inner tube of the rear wheel is easy to break.

When the inner tube of the rear wheel of the electric bicycle is exploded, the inner tube can be pushed to a maintenance place to be disposed by manpower generally, but if the inner tube is far away from the maintenance place, the outer tube is easy to damage, and even the outer tube is scrapped. And, after the rear wheel inner tube of a tyre explodes, cover tire and ground frictional force increase, it consumes physical power very much to carry out, let the people hardly bear, current electric motor car utilizes and installs the gyro wheel in the foot rest and assists the roll, such setting is at practical application's in-process, because the frequent use of foot rest, just can make the gyro wheel by oneself landing very easily, influence the normal parking, lead to a lot of users just dismantle it when the tire has not exploded yet, can not use under emergent condition, the use of giving the user brings inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a laborsaving strutting arrangement of electric bicycle rear wheel run-flat has solved foot rest installation gyro wheel and has assisted the roll, at practical application's in-process, because the frequent use of foot rest, just can make the gyro wheel landing by oneself very easily, influences normal parking, leads to a lot of users just to dismantle it when the tire has not exploded yet, can not use under emergent condition, uses the problem of bringing inconvenience for the user.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a laborsaving strutting arrangement of explosion-proof child of electric bicycle rear wheel, includes rear wheel and rear seat frame, the surface at rear wheel bearing post both ends and the bottom fixed connection of rear seat frame, the surface of rear wheel bearing post just is located the equal threaded connection in the left and right sides of rear seat frame and has square piece, and the surface sliding connection of square piece has the bracing piece, the one end fixedly connected with gyro wheel of square piece is kept away from to the bracing piece, the internal surface sliding connection of gyro wheel has the tightening device, the top fixedly connected with elastic fixation piece of rear seat frame, and the surface sliding connection of elastic fixation piece has the hoist and mount board, the bottom fixedly connected with hanger plate of hoist and mount plate, and the internal surface threaded connection of the surface of the one end of tightening device and hanger plate.

Preferably, the tightening device comprises a tightening handle, a tightening column and a limiting plate, the middle of the surface of the tightening handle is fixedly connected with one end of the tightening column, and the inner surface of the limiting plate is fixedly connected with the outer surface of the tightening column.

Preferably, one side of the limiting plate, which is far away from the wrench, is provided with a groove, the inner surface of the groove is connected with a ball in a sliding manner, and the outer surface of the ball is connected with the outer surface of the roller in a sliding manner.

Preferably, the surface of the hoisting plate is provided with a through hole, and the inner surface of the through hole is in sliding connection with the outer surface of the elastic fixing block.

Preferably, the diameter size of the caliber size support rod of the through hole reaches interference fit.

Preferably, the number of the hanging plates is two, the two opposite sides of the hanging plates are fixedly connected with an extension thread block, and the inner surface of the extension thread block is in threaded connection with the outer surface of the screwing column.

Advantageous effects

The utility model provides a laborsaving strutting arrangement of explosion-proof child of electric bicycle rear wheel. Compared with the prior art, the method has the following beneficial effects:

(1) the labor-saving supporting device for preventing the rear wheel of the electric bicycle from being punctured comprises a rear wheel bearing column, square blocks are in threaded connection with the outer surface of the rear wheel bearing column and located on the left side and the right side of a rear seat frame, supporting rods are in sliding connection with the outer surface of the square blocks, idler wheels are fixedly connected with the ends, far away from the square blocks, of the supporting rods, tightening devices are in sliding connection with the inner surfaces of the idler wheels, elastic fixing blocks are fixedly connected with the top of the rear seat frame, hoisting plates are in sliding connection with the outer surfaces of the elastic fixing blocks, hoisting plates are fixedly connected with the bottom of the hoisting plates, the outer surfaces of one ends of the tightening devices are in threaded connection with the inner surfaces of the hoisting plates, the rear wheel, the rear seat frame, the square blocks, the supporting rods, the idler wheels, the tightening devices, the elastic fixing blocks, the hoisting, can also keep off the rainwater that comes from the device top, protect inside screw thread, and then guarantee the normal use of device.

(2) This laborsaving strutting arrangement of explosion-proof child of electric bicycle rear wheel, through twisting the device including twisting the hand, twist post and limiting plate, twist the middle part on hand surface and the one end fixed connection who twists the post, the internal surface of limiting plate and the external fixed surface who twists the post are connected, the limiting plate is kept away from one side of twisting the hand and is seted up flutedly, the internal surface sliding connection of recess has the ball, the surface of ball and the external sliding connection of gyro wheel, the cooperation is twisted the hand, twist the post, the limiting plate, the setting of recess and ball, can carry out simple fixed to the device, make the dismantlement and the installation of device all become very convenient, and twist the hand setting, can be more laborsaving, the ball sets up, guarantee when pressing from both sides tightly the gyro wheel, reduce the frictional force between limiting plate and the gyro wheel, make laborsaving roll.

Drawings

FIG. 1 is a view showing a storage state of the present invention;

FIG. 2 is a diagram illustrating the usage of the present invention;

fig. 3 is a top view of the rear seat frame structure of the present invention;

fig. 4 is a schematic structural diagram of the square block of the present invention.

In the figure: the device comprises a rear wheel 1, a rear seat frame 2, a square block 3, a support rod 4, a roller 5, a tightening device 6, an elastic fixing block 7, a hoisting plate 8, a hoisting plate 9, a hoisting plate 10, a screwing handle 11, a screwing column 11, a limiting plate 12, a groove 13, a ball 14, a through hole 15 and an extension thread block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tire burst-proof labor-saving supporting device for a rear wheel of an electric bicycle comprises a rear wheel 1 and a rear seat frame 2, the surfaces of two ends of a bearing column of the rear wheel 1 are fixedly connected with the bottom of the rear seat frame 2, the outer surface of the bearing column of the rear wheel 1 is positioned on the left side and the right side of the rear seat frame 2 and is in threaded connection with a square block 3, the outer surface of the square block 3 is in sliding connection with a supporting rod 4, one end, far away from the square block 3, of the supporting rod 4 is fixedly connected with a roller 5, the inner surface of the roller 5 is in sliding connection with a screwing device 6, the screwing device 6 comprises a screwing hand 10, a screwing column 11 and a limiting plate 12, the middle of the surface of the screwing hand 10 is fixedly connected with one end of the screwing column 11, the inner surface of the limiting plate 12 is fixedly connected with the outer surface of the screwing column 11, one side, far away from the, the device can be simply fixed by matching with the arrangement of a twisting hand 10, a twisting column 11, a limiting plate 12, a groove 13 and balls 14, so that the device is very convenient to disassemble and install, the arrangement of the twisting hand 10 is more labor-saving, the balls 14 are arranged, the friction force between the limiting plate 12 and the roller 5 is reduced while the roller 5 is clamped, so that the roller 5 rolls in a labor-saving manner, the elastic fixing block 7 is fixedly connected to the top of the rear seat frame 2, the outer surface of the elastic fixing block 7 is slidably connected with the hoisting plate 8, the surface of the hoisting plate 8 is provided with through holes 15, the inner surface of each through hole 15 is slidably connected with the outer surface of the elastic fixing block 7, the diameter size of the caliber size supporting rod 4 of each through hole 15 reaches interference fit, the bottom of the hoisting plate 8 is fixedly connected with two hoisting plates 9, the number of the two hoisting plates 9 is two, the extension thread blocks 16 are fixedly connected between the opposite sides of the two hoisting, the inner surface of the extension thread block 16 is in threaded connection with the outer surface of the screwing column 11, the outer surface of one end of the screwing device 6 is in threaded connection with the inner surface of the hanging plate 9, the rear wheel 1, the rear seat frame 2, the square block 3, the supporting rod 4, the roller 5, the screwing device 6, the elastic fixing block 7, the hanging plate 8 and the hanging plate 9 are matched, the roller 5 is hung at the bottom of the rear seat frame 2 and stored for later use under the condition that the use of other parts is not influenced, the dismounting is convenient, rainwater from the upper part of the device can be blocked, the internal threads are protected, and the normal use of the device is further ensured.

During storage, the elastic fixing block 7 penetrates through the through hole 15 of the hoisting plate 8 to be fixed, then the square block 3 is screwed on the bearing column of the rear wheel 1, the supporting rod 4 penetrates through the square block 3, and then the supporting rod 4 is fixed on the hoisting plate 9 by using the screwing device 6; when the tire is burst, the screwing handle 10 is rotated to enable the screwing column 11 to be separated from the hanging plate 9, then the hanging plate 8 is separated from the rear seat frame 2, the supporting rod 4 penetrates through the through hole 15, the supporting rod 4 is sleeved on the square block 3 again, then the screwing device 6 is rotated to complete assembly, and the electric automatic vehicle is pushed to advance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laborsaving strutting arrangement of electric bicycle rear wheel explosion-proof child, includes rear wheel (1) and rear seat frame (2), the bottom fixed connection of the surface at rear wheel (1) bearing post both ends and rear seat frame (2), its characterized in that: the outer surface of rear wheel (1) bearing post just is located the equal threaded connection in both sides of the left and right sides of rear seat frame (2) and has square piece (3), and the surface sliding connection of square piece (3) has bracing piece (4), one end fixedly connected with gyro wheel (5) of square piece (3) are kept away from in bracing piece (4), the internal surface sliding connection of gyro wheel (5) has tightening device (6), the top fixed connection of rear seat frame (2) has elastic fixing block (7), and the surface sliding connection of elastic fixing block (7) has hoisting plate (8), the bottom fixedly connected with hanger plate (9) of hoisting plate (8), and the internal surface threaded connection of the surface of the one end of tightening device (6) and hanger plate (9).

2. The tire burst prevention labor-saving support device for the rear wheel of the electric bicycle as claimed in claim 1, wherein: screw up device (6) including twisting hand (10), twisting post (11) and limiting plate (12), twist the middle part on hand (10) surface and twist the one end fixed connection of post (11), the internal surface of limiting plate (12) and the outer fixed surface who twists post (11) are connected.

3. The tire burst prevention labor-saving support device for the rear wheel of the electric bicycle as claimed in claim 2, wherein: one side of the limiting plate (12) far away from the wrench (10) is provided with a groove (13), the inner surface of the groove (13) is connected with a ball (14) in a sliding mode, and the outer surface of the ball (14) is connected with the outer surface of the roller (5) in a sliding mode.

4. The tire burst prevention labor-saving support device for the rear wheel of the electric bicycle as claimed in claim 1, wherein: the surface of the hoisting plate (8) is provided with a through hole (15), and the inner surface of the through hole (15) is in sliding connection with the outer surface of the elastic fixing block (7).

5. The tire burst prevention labor-saving support device for the rear wheel of the electric bicycle as claimed in claim 4, wherein: the diameter size of the caliber size supporting rod (4) of the through hole (15) reaches interference fit.

6. The tire burst prevention labor-saving support device for the rear wheel of the electric bicycle as claimed in claim 2, wherein: the number of the hanging plates (9) is two, the extension thread blocks (16) are fixedly connected between the opposite sides of the two hanging plates (9), and the inner surfaces of the extension thread blocks (16) are in threaded connection with the outer surfaces of the screwing columns (11).