CN210101895U

CN210101895U - Folding mechanism for scooter

Info

Publication number: CN210101895U
Application number: CN201920827479.4U
Authority: CN
Inventors: 李定辉; 李伟扬
Original assignee: Shenzhen Jianxing Science And Technology Development Co Ltd
Current assignee: Shenzhen Jianxing Science And Technology Development Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-21
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a folding mechanism for a scooter, which comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod, wherein the fourth connecting rod and the fifth connecting rod are fixedly connected with a scooter body part; the rear end of the first connecting rod is connected with the front ends of the third connecting rod and the fifth connecting rod at the same time; the rear end of the second connecting rod is connected with the rear end of the fourth connecting rod, and the middle part of the second connecting rod is connected with the rear end of the third connecting rod; the front end of the fourth connecting rod is connected with the rear end of the fifth connecting rod. The first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the fifth connecting rod of the utility model form two four-bar mechanisms, the mechanism can realize large-angle folding linkage of the second connecting rod and the fourth connecting rod, the folding mechanism is applied to a reverse three-wheel scooter, the front wheel and the rear wheel of the scooter can be folded together, the scooter body is folded above the wheel, the volume is greatly reduced after folding, and the occupied ground area is less when storing; in addition, the scooter can be carried conveniently and laborsaving like a trailer.

Description

Folding mechanism for scooter

Technical Field

The utility model relates to a scooter technical field especially relates to a folding mechanism for scooter.

Background

The scooter has a scooter body which is a flat plate, a person can ride the scooter when standing on the scooter body, and the scooter can be powered by foot supports or electric drives. Scooters have been used as shared rentals in some countries in europe. However, the existing scooter usually has very small wheels due to the requirements of carrying and storing, the terrain adaptability is poor, and the scooter has poor passing capability; in addition, because the scooter needs to be carried lightly, the scooter is often provided with a storage battery with smaller capacity, and the continuous running capability is low; and because asymmetric problem around the scooter, because of receiving battery and motor part to block during folding, it is difficult to accomplish folding according to present folding mode. Even can fold, also can't guarantee the volume minimum, and can't guarantee effectively fixedly, because of its weight is great, also be difficult to carry simultaneously.

Disclosure of Invention

The utility model aims to solve the technical problem that a folding mechanism for scooter is provided, adopt this folding mechanism can realize the folding of scooter and drag the capable transport to solve the unable folding and inconvenient problem of transport of present electric scooter.

In order to solve the technical problem, the utility model discloses a as follows technical scheme:

a folding mechanism for a scooter comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod; the front end of the first connecting rod is movably connected with a front frame part of the scooter, and the rear end of the first connecting rod is movably connected with the front ends of the third connecting rod and the fifth connecting rod; the front end of the second connecting rod is movably connected with a front frame part of the scooter, the rear end of the second connecting rod is movably connected with the rear end of the fourth connecting rod, and the middle part of the second connecting rod is movably connected with the rear end of the third connecting rod; the front end of the fourth connecting rod is movably connected with the rear end of the fifth connecting rod, and the middle part of the fourth connecting rod is fixedly connected with the scooter body part.

Preferably, the folding mechanism for the scooter further comprises an unfolding lock rod, the middle part of the first connecting rod is connected with the unfolding lock rod through a lock connecting rod, and the unfolding lock rod can be correspondingly clamped in a hook part formed at the front end of the third connecting rod.

Preferably, a spring is arranged on the lock connecting rod, and the unfolding lock rod can be automatically and correspondingly clamped in the hook part under the action of the spring.

Preferably, the left side and the right side of the front end of the first connecting rod are respectively provided with an upright balance pressing block.

Preferably, the scooter is including with the central shaft post structure of preceding frame part connection, first connecting rod front end with the shaft post body swing joint of central shaft post structure, second connecting rod front end with the shaft post body swing joint of central shaft post structure.

The utility model has the advantages of: the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the fifth connecting rod of the folding mechanism for the scooter of the utility model form two four-bar mechanisms, and by adopting the folding mechanism for the scooter, the front wheel and the rear wheel of the scooter can be folded together, and the scooter body is folded above the wheels, so that the volume is greatly reduced after folding, and the occupied ground area is less when storing; in addition, the scooter can be carried conveniently and laborsaving like a trailer.

Drawings

FIG. 1 is a side view of the folding mechanism for a scooter of the present invention;

fig. 2 is a schematic perspective view of the scooter of the present invention;

fig. 3 is a side view of the scooter of the present invention;

FIG. 4 is an exploded view of the center post structure of the present invention;

fig. 5 is a side view of the scooter of the present invention in a semi-folded state;

fig. 6 is a schematic perspective view of the folding state of the scooter of the present invention;

fig. 7 is a side view of the scooter of the present invention in a folded state;

fig. 8 is a schematic structural view of the hook of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, in an embodiment of the present invention, a scooter comprises a front frame member, a central pillar structure connected to the front frame member, a body member, and a folding mechanism for scooter for connecting the central pillar structure and the body member.

The central axle column structure comprises an axle column body 10 and an eccentric connecting piece 20, wherein a front frame mounting hole 15, a front frame mounting hole 16, a vehicle body mounting hole 12 and a vehicle body mounting hole 13 are formed in the axle column body 10, and a connecting piece 14 is fixedly connected to the vehicle body mounting hole 13. The upper end of jack-post body 10 is formed with the external diameter and is less than the pivot 11 of jack-post body 10 external diameter, eccentric connecting piece 20 including first sleeve pipe 21 and with the eccentric second sleeve pipe 22 of connecting of first sleeve pipe 21, first sleeve pipe 21 cover is located in the pivot 11, pivot 11 is kept away from the one end of jack-post body 10 is equipped with and blocks piece 30, second sleeve pipe 22 lower extreme is equipped with spliced pole 50. The lower end of the second sleeve 22 is provided with internal threads, the upper end of the connecting column 50 is provided with external threads, and the connecting column 50 is in threaded connection with the lower end of the second sleeve 22.

The blocking member 30 is a nut, correspondingly, an external thread is disposed at one end of the rotating shaft 11 far away from the column body 10, and after the first sleeve 21 is sleeved on the rotating shaft 11, the nut is in threaded connection with the rotating shaft 11 to block the first sleeve 21 from being separated from the rotating shaft 11. It should be noted that, in other embodiments of the present invention, the blocking member 30 may also adopt a bolt, correspondingly, one end of the rotating shaft 11, which is far away from the column body 10, is provided with an internal thread, after the first sleeve 21 is sleeved on the rotating shaft 11, the bolt is in threaded connection with the rotating shaft 11, so as to block the first sleeve 21 from being separated from the rotating shaft 11.

The lower end of the first sleeve 21 is provided with a bearing 41, the upper end of the first sleeve 21 is provided with a bearing 42, the outer ring of the bearing 41 is connected with the lower end of the first sleeve 21, the outer ring of the bearing 42 is connected with the upper end of the first sleeve 21, and the inner rings of the bearing 41 and the bearing 42 are sleeved on the rotating shaft 11. Two ends of the first sleeve 21 are respectively provided with a bearing, so that the first sleeve 21 can better rotate around the rotating shaft 11.

The front frame component comprises a handlebar 201, two driven wheels 202, two driven wheel brackets 203, two steering sleeves 205, an upper balance cross rod 206, a lower balance cross rod 207 and a steering control rod 208. The driven wheel 202 is mounted on the lower end of the driven wheel bracket 203, a rotating shaft 204 is formed on the upper end of the driven wheel bracket 203, and the steering sleeve 205 is sleeved on the rotating shaft 204. The left end and the right end of the upper balance cross rod 206 are respectively movably connected with the upper end of a steering sleeve 205, and the middle part of the upper balance cross rod 206 is movably connected with the axle column body 10 of the central axle column structure through a front frame mounting hole 15; the left end and the right end of the lower balancing cross rod 207 are respectively movably connected with the lower end of a steering sleeve 205, and the middle part of the lower balancing cross rod 207 is movably connected with the axle column body 10 of the central axle column structure through a front frame mounting hole 16. The top end of the rotating shaft 204 is fixedly provided with a clamp 210, the left end and the right end of the steering control rod 208 are respectively movably connected with the rotating shaft 204 of a driven wheel bracket 203 through the clamp 210, and the middle part of the steering control rod 208 is provided with a connecting seat 209. The connecting column 50 at the lower end of the second sleeve 22 is inserted into the connecting hole of the connecting seat 209, the handlebar 201 is inserted into the second sleeve 22, and the handlebar 201 is rotated to make the second sleeve 22 rotate around the rotating shaft 11, so that the steering control rod 208 is driven to move left and right, and the steering control of the scooter is realized.

The vehicle body part comprises a driving wheel 301, a driving wheel bracket 302 and a vehicle body 303, the driving wheel 301 is installed at the rear end of the driving wheel bracket 302, the front end of the driving wheel bracket 302 is fixedly connected with the rear end of the vehicle body 303, the vehicle body 303 comprises a storage battery and a controller, and the storage battery is controlled by the controller to supply power to the driving wheel 301 so as to drive the driving wheel 301 to operate.

The folding mechanism for the scooter comprises a first connecting rod 304, a second connecting rod 305, a third connecting rod 306, a fourth connecting rod 307, a fifth connecting rod 308 and an unfolding lock rod 313. The front end of the first link 304 is movably connected with the upper end of the column body 10 of the central column structure through a vehicle body mounting hole 12, and the rear end is movably connected with the front ends of the third link 306 and the fifth link 308. The front end of the second connecting rod 305 is movably connected with the lower end of the column body 10 of the central column structure through a connecting piece 14, the rear end is movably connected with the rear end of the fourth connecting rod 307, and the middle part is movably connected with the rear end of the third connecting rod 306. The front end of the fourth link 307 is movably connected with the rear end of the fifth link 308, and the middle part is fixedly connected with the front end of the vehicle body 303.

The middle part of the first connecting rod 304 is connected with an unfolding lock rod 313 through a lock connecting rod 317, a spring (torsion spring) is installed on the lock connecting rod 317, a hook part 314 is formed at the front end of the third connecting rod 306, and when a vehicle is unfolded and ridden, the unfolding lock rod 313 can be automatically and correspondingly clamped in the hook part 314 under the action of the spring so as to keep the structure of the scooter in an unfolding state stable.

As shown in fig. 2 and 8, a locking cross bar 309 is disposed at the front end of the driving wheel support 302, two hooks 310 are disposed on two sides of the lower end of the central spindle post structure 10, the middle of each hook 310 is movably connected to the lower end of the spindle post structure 10, a groove 311 corresponding to the locking cross bar 309 is disposed at the front end of each hook 310, the two hooks 310 are fastened and fixed, and the rear ends of the two hooks 310 are connected to each other through a lifting rod 312.

Fig. 5 is a side view of the semi-folded state of the scooter of the present invention, and in order to better illustrate the position relationship of each component of the scooter in the semi-folded state, fig. 5 is provided with a left driven wheel 202, a driven wheel bracket 203 and a steering sleeve 205 by default. Fig. 6 is a schematic view of the folding state of the scooter of the present invention. Fig. 7 is a side view of the folding state of the scooter of the present invention, and in order to better illustrate the position relationship of each component of the scooter when the folding state, fig. 7 is located on the left side by default in the driven wheel bracket 203 and the steering sleeve 205.

As shown in fig. 5 to 7, the column body 10, the first link 304, the second link 305, and the third link 306 constitute a four-bar linkage, and the second link 305, the third link 306, the fourth link 307, and the fifth link 308 constitute another four-bar linkage.

The utility model discloses when the scooter is folding, lift expand locking lever 313, expand locking lever 313 around its with the round pin of the junction at first connecting rod 304 middle part upwards overturn with hook portion 314 of third connecting rod 306 front end breaks away from, accomplishes the automobile body unblock.

After the unfolding lock bar 313 is separated from the hook 314 at the front end of the third link 306, the unfolding lock bar 313 is continuously lifted, at this time, the front end of the first link 304 rotates around the post body 10, the rear end moves upward and drives the rear end of the second link 305 to move upward through the third link 306, so that the rear end of the fourth link 307 rotates relative to the rear end of the second link 305, the driven wheels 202 are close to the driving wheels 301, and when the first link 304 and the second link 305 move upward to be parallel to the post body 10 of the central post structure, the driving wheels 301 correspondingly enter between the two driven wheels 202, thereby completing folding of the scooter.

In the folding process, when drive wheel 301 antedisplacement, set up in the locking horizontal pole 309 of the front end of drive wheel support 302 and correspond the jack-post body 10 of central jack-post structure, and can correspond after folding the completion put into set up in the slot 311 of the trip 310 of the jack-post body 10 lower extreme of central jack-post structure, with the trip 310 corresponds the joint together, forms fixedly to prevent the fixed not tight problem in folding back, installs simultaneously in the balanced supporting wheel 315 of drive wheel 301 rear side correspond and form effectual three point ground with two from driving wheel 10 and support, guarantee that the scooter after folding can be in subaerial stable balance.

After folding the completion, can directly hold handlebar 201, drag two this moment and can realize dragging going of whole scooter from driving wheel 202 to avoided more hard through the folding scooter of artifical transport, and the great problem of the transport degree of difficulty. When the scooter stops dragging, three points can be formed by the two driven wheels 202 and the balance supporting wheel 315 to support on the ground, so that the whole folded scooter can be stably placed at any time.

After the vehicle is folded, the upright balance pressing blocks 316 at the left and right sides arranged at the front end of the first connecting rod 304 correspondingly press against the top surface of the upper balance cross rod 206, so that the two driven wheels 202 cannot swing up and down, and the vehicle is ensured to be upright parked and not to tip over.

When the scooter is unfolded, the lifting rod 312 at the rear end of the hook 310 is lifted up, so that the locking cross bar 309 is separated from the hook 310, and the scooter moves reversely according to the folding process, so that the scooter can be directly unfolded. After unfolding, the unfolding lock rod 313 is turned downwards around a pin shaft at the joint of the unfolding lock rod 313 and the middle part of the first link 304, the unfolding lock rod 313 is correspondingly clamped in the hook part 314, and the hook part 314 hooks the unfolding lock rod 15, so that the structure stability of the scooter in the unfolding state is ensured.

The utility model has the advantages of it is following: the axle column body 10, the first connecting rod 304, the second connecting rod 305 and the third connecting rod 306 form a four-bar linkage, and the second connecting rod 305, the third connecting rod 306, the fourth connecting rod 307 and the fifth connecting rod 308 form another four-bar linkage, when the vehicle adopting the folding mechanism of the utility model is folded, the second connecting rod 305 and the fourth connecting rod 307 which are adjacently connected can be folded and turned over by more than 180 degrees, thereby overcoming the technical problem that the front connecting rod and the rear connecting rod can not be turned over by more than 180 degrees by a large angle by the single four-bar linkage, so that the vehicle body of the scooter is folded above the wheels, the volume after folding is greatly reduced, the occupied ground area during storage is less, and the carrying and storage are convenient; when the scooter adopting the folding mechanism of the utility model is folded, the driving wheel 301 correspondingly enters between the two driven wheels 202, the three wheels are arranged side by side, the body is on the upper part, the wheels with larger size can be selected, the occupied area is still small after folding, and the scooter can ensure that the scooter has better passing capacity; adopt the utility model discloses a folding mechanism's scooter is folding, utilizes preceding two to drag the line from the driving wheel, and the resistance is very little, can be like dragging the case when carrying convenient, laborsaving, consequently loads on great battery, and it is still very convenient to carry, has great continuation of the journey ability.

The utility model discloses a further embodiment, the utility model discloses a folding mechanism can be used for connecting positive tricycle electric scooter, this positive tricycle electric scooter is including one install on preceding frame part from the driving wheel and two drive wheels of installing on the automobile body part, adopt this folding mechanism can be with positive tricycle electric scooter's preceding frame part and automobile body part, after folding, install on preceding frame part from the driving wheel correspondence enter into two between the drive wheel of installing on the automobile body part, the tricycle is closely side by side, the volume reduces greatly, the area of ground that occupies when depositing is less, conveniently carry and deposit.

The utility model discloses an in another embodiment, the utility model discloses a folding mechanism can be used for connecting four-wheel electric scooter, this four-wheel electric scooter installs from driving wheel and two drive wheels of installing on the automobile body part including two on preceding frame part, and two intervals from the driving wheel are less than the interval of two drive wheels, adopt this folding mechanism can be with this four-wheel electric scooter's preceding frame part and automobile body part, after folding, install two on preceding frame part and enter into between two drive wheels of installing on the automobile body part from the driving wheel correspondence, four-wheel is nearly side by side, the volume reduces greatly, the floor area who occupies when depositing is less, conveniently carry and deposit.

The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.

Claims

1. The utility model provides a folding mechanism that scooter used which characterized in that: the folding mechanism for the scooter comprises a first connecting rod (304), a second connecting rod (305), a third connecting rod (306), a fourth connecting rod (307) and a fifth connecting rod (308); the front end of the first connecting rod (304) is movably connected with a front frame part of the scooter, and the rear end of the first connecting rod is movably connected with the front ends of the third connecting rod (306) and the fifth connecting rod (308); the front end of the second connecting rod (305) is movably connected with a front frame part of the scooter, the rear end of the second connecting rod is movably connected with the rear end of the fourth connecting rod (307), and the middle part of the second connecting rod is movably connected with the rear end of the third connecting rod (306); the front end of the fourth connecting rod (307) is movably connected with the rear end of the fifth connecting rod (308), and the middle part of the fourth connecting rod is fixedly connected with a scooter body part.

2. A folding mechanism for a scooter according to claim 1, characterized in that: the folding mechanism for the scooter further comprises an unfolding lock rod (313), the middle part of the first connecting rod (304) is connected with the unfolding lock rod (313) through a lock connecting rod (317), and the unfolding lock rod (313) can be correspondingly clamped in a hook part (314) formed at the front end of the third connecting rod (306).

3. The folding mechanism for a scooter as claimed in claim 2, wherein: a spring is arranged on the lock connecting rod (317), and the unfolding lock rod (313) can be automatically and correspondingly clamped in the hook part (314) under the action of the spring.

4. A folding mechanism for a scooter according to claim 1, characterized in that: the left side and the right side of the front end of the first connecting rod (304) are respectively provided with an upright balance pressing block (316).

5. A folding mechanism for a scooter according to claim 1, characterized in that: the scooter including with the central shaft post structure of preceding frame part connection, first connecting rod (304) front end with shaft post body (10) swing joint of central shaft post structure, second connecting rod (305) front end with shaft post body (10) swing joint of central shaft post structure.