CN215706907U

CN215706907U - Scooter with rocking mechanism

Info

Publication number: CN215706907U
Application number: CN202121613432.1U
Authority: CN
Inventors: 崔宇航; 张立鹏; 向彦军
Original assignee: Tianjin Internal Combustion Engine Research Institute (tianjin Motorcycle Technical Center)
Current assignee: Tianjin Internal Combustion Engine Research Institute (tianjin Motorcycle Technical Center)
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-02-01
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a scooter with a swing mechanism, which comprises a frame main beam pipe, wherein the frame main beam pipe is fixedly connected to a head pipe; the swing mechanism is arranged on the head pipe and connected with two front wheel cantilevers through vertical pipes, the vertical pipes are respectively arranged on two sides of the head pipe, and the swing mechanism can rotate relative to the head pipe; and a locking mechanism is arranged on one side of the swing mechanism close to the head pipe. The swing mechanism comprises an upper rocker arm and a lower rocker arm, wherein mutually adjacent side walls of the upper rocker arm and the lower rocker arm are respectively provided with a bulge extending towards each other for playing a limiting role when the upper rocker arm and the lower rocker arm rotate; one side of the upper rocker arm close to the head pipe is provided with a lock pin guide rail for accommodating a spring lock pin of the locking mechanism.

Description

Scooter with rocking mechanism

Technical Field

The utility model relates to the field of scooters, in particular to a scooter/electric scooter with a swing mechanism.

Background

The steering mechanism of the existing scooter/electric scooter has larger steering amplitude, and the scooter is easy to topple over in the process of fast advancing, thus causing physical injury to passengers. In order to overcome the defect, the electric scooter on the market at present is provided with a plurality of electric control devices such as a gravity sensor and a speed sensor at the front wheel so as to overcome the injury caused by dumping, but the structure is complex and the cost is high. Therefore, a scooter/electric scooter capable of realizing swinging and locking a swinging mechanism during braking and increasing swinging safety is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides a scooter with a swing mechanism, which realizes the swing of the scooter in the process of travelling by assembling the swing mechanism with a limiting block on a front wheel on the basis of not using a sensor, and simultaneously, the swing mechanism is provided with a locking mechanism, so that the swing mechanism is locked while braking, and the safety and the practicability of the scooter/electric scooter are enhanced.

A scooter with a swing mechanism comprises a frame main beam pipe, pedals, a steering rod, rear wheels and two front wheels, wherein the frame main beam pipe is fixedly connected to a head pipe, and the steering rod is rotatably connected with the head pipe; the head tube is vertically provided with a plurality of mounting holes for mounting a swing mechanism, the swing mechanism is connected with two front wheel cantilevers through vertical tubes, the vertical tubes are respectively arranged on two sides of the head tube, and the swing mechanism can rotate relative to the head tube; and a locking mechanism is arranged on one side of the swing mechanism close to the head pipe.

The swing mechanism comprises an upper rocker arm and a lower rocker arm, and the upper rocker arm and the lower rocker arm are oppositely arranged; holes are formed in the two ends of the upper rocker arm and the lower rocker arm and are used for being connected with the vertical pipe through bolts; the side walls of the upper rocker arm and the lower rocker arm which are adjacent to each other are respectively provided with a bulge extending to each other, and the position and the shape of the bulge of the upper rocker arm are correspondingly arranged with the bulge of the lower rocker arm, so that the upper rocker arm and the lower rocker arm can play a role in limiting when rotating. And one side of the upper rocker arm close to the head pipe is provided with a lock pin guide rail, and the size and the position of the lock pin guide rail are matched with a lock pin of the locking mechanism and used for sliding the lock pin in/out.

The locking mechanism comprises a locking spanner, a pull wire, a locking disc, a lock pin outer sleeve and a spring lock pin; the locking spanner is arranged on the steering rod, one end of the pull wire is connected with the locking spanner, and the other end of the pull wire is connected with one end of the spring lock pin; the other end of the spring lock pin is a lock pin guide rail, the free end of the spring lock pin can penetrate through a hole of the locking disc and extend into the upper rocker arm, and the spring lock pin is arranged in the lock pin outer sleeve; the locking pin outer sleeve is respectively and fixedly connected with the upper rocker arm and the lower rocker arm through fixing pieces, the locking disc is fixedly connected with the upper rocker arm, and a hole is formed in the locking disc and used for allowing the spring locking pin to pass through.

Further, when the locking wrench faces upwards, the spring lock pin penetrates through the hole of the locking disc and extends into the lock pin guide rail of the upper rocker arm, and the swing mechanism cannot swing; when the locking spanner faces downwards, the spring lock pin is not inserted into the hole of the locking disc, and the swinging mechanism can swing.

Furthermore, the vertical pipe and the headstock pipe are hollow pipes, a direction column is arranged in the vertical pipe, one end of the direction column of the vertical pipe is a free end, and the other end of the direction column of the vertical pipe is connected with the front wheel cantilever; the lower ends of the vertical pipe and the direction column of the head pipe are connected with a connecting rod through a connecting piece, and the vertical pipe and the vertical pipes on the two sides of the head pipe are linked.

Further, one side that goes up the rocking arm and press close to down the rocking arm the locomotive pipe has the recess of horizontal setting, the recess is used for alleviateing the dead weight.

Further, the upper rocker arm and the lower rocker arm are arranged in parallel.

Compared with the prior art, the utility model has the beneficial effects and remarkable progresses that:

1. the front wheel is provided with the swing mechanism with the limiting block (namely the bulge), so that the swing of the scooter during the traveling is realized, meanwhile, the locking mechanism is arranged on the swing mechanism, and the locking pin is inserted into the swing mechanism during the braking so that the swing mechanism cannot swing;

2. simple structure does not use electric control assembly such as sensor, effective reduce cost, simple to operate.

Drawings

FIG. 1 is a schematic view of a scooter with a rocking mechanism according to the present invention;

FIG. 2 is a front view of the scooter with a rocking mechanism of the present invention;

FIG. 3 is a partial schematic view of the scooter of the present invention, wherein FIG. 3a is a perspective view with a rocking mechanism and a locking mechanism, FIG. 3b is a front view, and FIG. 3c shows an upper swing arm with a lockpin guide rail;

fig. 4 is a schematic view of a structure in which a lock pin of the latch mechanism is inserted into the upper rocker arm.

In the figure:

10: the head pipe 20: the steering lever 30: rear wheel

60: the pedal 70: frame main beam pipe 11, 12: cantilever arm

13: the stand pipe 14: the protrusion 15: connecting rod

21: upper rocker arm 22: lower rocker arms 51, 52: front wheel

171: the locking wrench 172: pull wire 173: spring

174: the locking disc 176: the lock pin housing 177: lock pin

178: fixing piece 179: adjusting the nut 180: stay wire flexible rail

181: locking pin cap 182: stay wire fixing post 211: groove

212: lockpin guide rail

Detailed Description

In order to make the objects, technical solutions, advantages and significant progress of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings provided in the embodiments of the present invention, and it is obvious that all of the described embodiments are only some embodiments of the present invention, but not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "fixed," "connected," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected or movably connected, or may be integrated; the connection can be direct connection, indirect connection through an intermediate medium or invisible signal connection, and can be the communication inside two elements or the interaction relation of the two elements; unless otherwise specifically defined, specific meanings of the above terms in the present invention can be understood as specific conditions by those of ordinary skill in the art.

Example 1

As shown in fig. 1-2, a scooter with a rocking mechanism comprises a frame main beam tube 70, a pedal 60, a steering rod 20, a rear wheel 30, and two

front wheels

51,52, wherein the frame main beam tube 70 is fixedly connected to the head tube 10, and the steering rod 20 is rotatably connected to the head tube 10. Two mounting holes are vertically formed in the head pipe 10 towards the front for mounting the swing mechanism.

As shown in fig. 3a,3b and 3c, the swing mechanism includes two upper swing arm 21 and lower swing arm 22 which are identical in structure and arranged in parallel, and the upper swing arm 21 and the lower swing arm 22 do not necessarily need to be located on the same horizontal plane (as shown in fig. 4). The two ends of the upper rocker arm 21 and the lower rocker arm 22 are provided with holes for being respectively in threaded connection with the two stand pipes 13 through bolts. The vertical pipe 13 is respectively arranged at two sides of the head pipe 10, the vertical pipe 13 and the head pipe 10 are hollow pipes, a direction column is arranged in each hollow pipe, one end of the direction column of the vertical pipe 13 is a free end, and the other end of the direction column is connected with the

front wheel cantilevers

11 and 12; the lower ends of the vertical pipe 13 and the direction column of the head pipe 10 are connected to a link 15 through a connecting member, for linking the head pipe 10 and the vertical pipes 13 on both sides thereof.

And the mutually adjacent side walls at the middle parts of the upper rocker arm 21 and the lower rocker arm 22 are respectively provided with a bulge 14 extending towards each other, and the position and the shape of the bulge 14 of the upper rocker arm 21 are arranged corresponding to the bulge 14 of the lower rocker arm 22 and are used for playing a limiting role when the upper rocker arm and the lower rocker arm rotate. Furthermore, as shown in fig. 3c, the side of the upper swing arm 21 adjacent to the head pipe 10 has a lock pin guide 212 sized and positioned to fit the lock pin 177 of the latch mechanism for accommodating the lock pin 177 to slide in/out. The upper rocker arm 21 and the lower rocker arm 22 have a transversely arranged groove 211 on the side close to the head tube 10, and the groove 211 is used for reducing the self weight and increasing the comfort of the vehicle occupant during swinging. The height of the bulge 14 is 9.5mm, and the distance between the bulges 14 of the upper rocker arm 21 and the lower rocker arm 22 is 5.7 mm.

As shown in fig. 4, a locking mechanism 17 is mounted on a side of the swing mechanism adjacent to the head pipe. The locking mechanism 17 comprises a locking wrench 171, a pull wire 172, a locking disc 174, a pull wire fixing member 178 and a spring lock pin 177; the locking wrench 171 is arranged on the steering rod 20, one end of the pull wire 172 is connected with the locking wrench 171, and the other end is connected with one end of the spring lock pin 177; the other end of the spring lock pin 177 is a free end which can extend into and slide in the lock pin guide rail 212 of the upper rocker arm 21 and the lower rocker arm 22, the spring lock pin 177 is inserted into the lock pin housing 176, a spring 173 is arranged in the lock pin housing 176, the lock pin 177 is circumferentially provided with a flange, the right end of the spring 173 abuts against the flange, a pull wire fixing column 182 is arranged in the lock pin 177, one end of the pull wire fixing column 182 is connected with a pull wire 172, and the pull wire 172 penetrates through the spring 173 and the lock pin cap 181; furthermore, a pull wire flexible rail 180 is arranged in the lock pin cap 181 in a penetrating manner, and an adjusting nut 179 is arranged on the pull wire flexible rail 180 and close to the top end of the lock pin cap 181. An edge of the lock pin housing 176 extends outward, the edge of the lock pin housing 176 is fixedly connected with the upper rocker arm 21 and the lower rocker arm 22 by the fixing piece 178 through bolts, the locking disc 174 is fixedly connected with the upper rocker arm 21 through screws, and the locking disc 174 is provided with a hole which is sized and positioned to fit the spring lock pin 177 for passing through the spring lock pin 177.

When the bicycle is used, when a rider leans to the right and turns the handlebar to the right, the driving rod 20 rotates along with the handlebar to drive the

cantilevers

11 and 12 of the two front wheels to rotate, the vertical pipe 13 connected with the

cantilevers

11 and 12 moves along with the

cantilevers

11 and 12 to drive the upper rocker arm 21 and the lower rocker arm 22 to correspondingly move, the maximum swing angle is 25 degrees under the limitation of the bulge 14, excessive rotation is prevented, and the driving safety of the rider is effectively guaranteed. When the rider plans to stop the swing, the locking wrench 171 is adjusted upward, and the spring lock pin 177 passes through the hole of the locking disc 174 and extends into the lock pin guide rail 212 of the upper swing arm 21 under the action of the pull wire 172, so that the swing mechanism cannot swing. When the rocking mechanism is turned on, the rider adjusts the locking wrench 171 downward, the spring lock pin 177 is not inserted into the hole of the locking plate 174, and the rocking mechanism can rock.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made on the technical solutions described in the foregoing embodiments, or some or all of the technical features of the embodiments can be replaced with equivalents, without departing from the scope of the embodiments of the present invention, and the technical solutions can not be modified or replaced by the modifications, the modifications and the substitutions in the non-essential scope of the present invention.

Claims

1. A scooter with a rocking mechanism comprises a frame main beam pipe (70), a pedal (60), a steering rod (20), a rear wheel (30) and two front wheels (51, 52), wherein the frame main beam pipe (70) is fixedly connected to a head pipe (10), and the steering rod (20) is rotatably connected with the head pipe (10); the swing mechanism is characterized in that a plurality of mounting holes are vertically formed in the head pipe (10) and used for mounting a swing mechanism, the swing mechanism is connected with two front wheel cantilevers (11 and 12) through a vertical pipe (13), the vertical pipe (13) is respectively arranged on two sides of the head pipe (10), and the swing mechanism can rotate relative to the head pipe (10); a locking mechanism is arranged on one side of the swing mechanism close to the head pipe;

the swing mechanism comprises an upper swing arm (21) and a lower swing arm (22), and the upper swing arm (21) and the lower swing arm (22) are oppositely arranged; holes are formed in the two ends of the upper rocker arm (21) and the lower rocker arm (22) and are used for being connected with the vertical pipe (13) through bolts; the side walls of the upper rocker arm (21) and the lower rocker arm (22) which are adjacent to each other are respectively provided with a bulge (14) extending towards each other, and the position and the shape of the bulge (14) of the upper rocker arm (21) are arranged corresponding to the bulge (14) of the lower rocker arm (22) and are used for limiting when the upper rocker arm and the lower rocker arm rotate; the side, close to the head pipe, of the upper rocker arm (21) is provided with a lock pin guide rail (212), and the size and the position of the lock pin guide rail (212) are matched with a lock pin (177) of the locking mechanism and used for sliding in/out of the lock pin.

2. The scooter with rocking mechanism according to claim 1, characterized in that the locking mechanism (17) comprises a locking wrench (171), a pulling wire (172), a locking disc (174), a locking pin housing (176) and a spring locking pin (177); the locking wrench (171) is arranged on the steering rod (20), one end of the pull wire (172) is connected with the locking wrench (171), and the other end of the pull wire is connected with one end of the spring lock pin (177); the other end of the spring lock pin (177) is a free end and is used for penetrating through a hole of the locking disc (174) and extending into a lock pin guide rail (212) of the upper rocker arm (21), and the spring lock pin (177) is arranged inside the lock pin outer sleeve (176); the locking pin outer sleeve (176) is fixedly connected with the upper rocker arm (21) and the lower rocker arm (22) through a fixing piece (178), the locking disc (174) is fixedly connected with the upper rocker arm (21), and a hole is formed in the locking disc (174) and used for allowing the spring locking pin to pass through.

3. The scooter with rocking mechanism according to claim 2, characterized in that, when the locking wrench (171) is facing upwards, the rocking mechanism cannot rock when the spring locking pin (177) passes through the hole of the locking plate (174); when the locking wrench (171) faces downward, the spring lock pin is not inserted into the locking disc (174), and the rocking mechanism can rock.

4. The scooter with rocking mechanism according to claim 1, characterized in that the stand pipe (13) and the head pipe (10) are hollow pipes, inside which steering columns are provided; the lower ends of the vertical pipe (13) and the direction column in the head pipe (10) are connected with a connecting rod (15) through a connecting piece, and the vertical pipe (13) is used for enabling the head pipe (10) and the vertical pipes (13) on the two sides of the head pipe to be linked.

5. The scooter with rocking mechanism according to claim 1, characterized in that the protrusion (14) limits the maximum rocking angle of the rocking mechanism to 25 °.