CN216734625U

CN216734625U - Foldable electric bicycle

Info

Publication number: CN216734625U
Application number: CN202220541667.2U
Authority: CN
Inventors: 王建; 林志; 刘刚; 罗小盈; 施跃进; 陈子赟
Original assignee: Taizhou Seven Star Leopard Automobile Co ltd
Current assignee: Taizhou Seven Star Leopard Automobile Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-06-14
Anticipated expiration: 2032-03-14

Abstract

A foldable electric bicycle comprises a foldable frame; the foldable frame comprises a front pillar, an A connecting column, a rear pillar and a B connecting column; the lower part of the front strut is hinged with the front end of the connecting column A; the rear strut is connected with the rear end of the connecting column A through a sliding pair; the B connecting columns are a pair and are respectively positioned on two sides of the foldable frame; the front end of the connecting column B is connected with the front strut through a sliding pair, and meanwhile, the connecting column B is hinged with the middle part of the connecting column A and the lower part of the rear strut; the front pillar and the A connecting column are connected near hinged shafts of the front pillar and the A connecting column through a folding locking device; the folding locking device can keep the foldable frame in the opening and folding state. The folding lock device is arranged, the up-and-down folding mode is adopted, and the folding structure is simple. When the folding device needs to be folded, the bolt in the folding locking device is pulled open, and the folding device can be folded in one step. And the folding locking device can automatically lock after being folded in place, thereby being more convenient and safer.

Description

Foldable electric bicycle

Technical Field

The utility model relates to an electric bicycle, in particular to a foldable electric bicycle.

Background

The electric bicycle is a green electromechanical integrated transportation tool which takes a storage battery as an auxiliary energy source, is provided with a motor, a controller, the storage battery, operating components such as a rotating handle and a brake handle and a display instrument system on the basis of a common bicycle. Electric bicycles are widely used in the world, and with the development of technology, the electric bicycles tend to be foldable electric bicycles which are simple, light and convenient to carry. The foldable electric bicycle can be folded to reduce the size, and is convenient to carry and store. At present, foldable electric bicycles on the market mainly fold front and rear wheels, and the folding mode has the problems of complex folding structure, complex folding action and the like.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a foldable electric bicycle. The foldable frame with the specific structure is adopted, so that the foldable frame has the characteristics of simplicity in operation and convenience in use, and meanwhile, the safety and the reliability are guaranteed.

The technical scheme of the utility model is as follows: the foldable electric bicycle comprises a handlebar, a foldable frame, a cushion, wheels and a storage battery; the method is characterized in that: the foldable frame comprises a front pillar, an A connecting pillar, a rear pillar and a B connecting pillar; the lower part of the front strut is hinged with the front end of the connecting column A; the rear strut is connected with the rear end of the connecting column A through a sliding pair; the B connecting columns are a pair and are respectively positioned on two sides of the foldable frame; the front end of the connecting column B is connected with the front strut through a sliding pair, and the connecting column B is hinged with the middle part of the connecting column A and the lower part of the rear strut; the front strut and the A connecting column are also connected by a folding locking device near a hinge shaft of the front strut and the A connecting column; the folding locking device can keep the foldable frame in the opening and folding states;

the handlebar is arranged at the top of the front support; the cushion is arranged at the top of the rear strut; the pair of wheels is respectively arranged at the lower end of the front strut and the lower end of the B connecting column; the storage battery is arranged behind the rear support.

Compared with the prior art, the foldable frame adopts a brand-new design foldable frame which is formed by assembling a front pillar, an A connecting column, a rear pillar and a B connecting column according to a specific connecting mode and is provided with a foldable locking device, the foldable frame is locked when being in an unfolded state and a folded state, when the foldable frame needs to be unfolded, only unlocking is needed, then a hand is held to lift the frame upwards to be in the unfolded state, then the foldable locking device is used for locking, when the foldable frame needs to be folded, only unlocking is needed, then related parts of the frame automatically descend to the folded state under the action of gravity, and then locking is needed.

Preferably, in the foldable electric bicycle, the front pillar includes a front pillar pocket type body and a front pillar cover; the front strut groove-shaped main body is connected with the cover plate through threads to form a hollow structure; two side surfaces of the front support column are respectively provided with a linear track hole, and correspondingly, the front end of the B connecting column is provided with a sliding block; the front end of the B connecting column forms a sliding pair with the front support column through the matching of the sliding block and the linear track hole. The front support column is of a hollow structure, has the characteristic of light weight, is matched with the linear track hole through the sliding block to form a sliding pair, is easy to manufacture, and is beneficial to controlling the cost.

Preferably, in the foldable electric bicycle, the a-connection column comprises an a-connection column groove-shaped main body and an a-connection column cover plate; the A connecting column groove-shaped main body is connected with the A connecting column cover plate through threads. By adopting the structure, the foldable locking device has the advantages of light weight and more economy, and the foldable locking device can be mounted inside the foldable locking device, so that the product is compact in structure and attractive.

Preferably, in the foldable electric bicycle, the foldable locking device comprises an arc-shaped connecting strip and a bolt; one end of the arc-shaped connecting strip is fixedly connected with the front support column, and the other section of the arc-shaped connecting strip is inserted into the connecting column A from a hole position on the connecting column A; the A connecting column is provided with a bolt assembling ring, and the bolt is inserted in the bolt assembling ring; the head part of the bolt extends out of the side part of the connecting column A and is provided with a handle; the arc-shaped connecting strip is provided with a first pin hole and a second pin hole which are used for being matched with the bolt, and the bolt is matched and connected with the first pin hole to form a locking structure when the electric bicycle is in a folded state; when the electric bicycle is in an open state, the bolt is matched and connected with the second pin hole to form a locking structure. By adopting the structure, the installation is convenient, the structure is simple, the manufacture is convenient, the economy is higher, and the use is convenient.

Preferably, in the foldable electric bicycle, the bolt is sleeved with a compression spring, one end of the compression spring abuts against the bolt assembling ring, and the other end of the compression spring abuts against a step at the front part of the bolt. Adopt this structure, folding back that targets in place at electric bicycle, under the effect of spring force, the bolt can get into the pinhole automatically, realizes the locking, and the convenience of use obtains further improvement, simultaneously, adopts this structure, and under the locking state, because the effect of spring force, the bolt is difficult for breaking away from the pinhole because of the vibration, and the reliability is high.

Preferably, in the foldable electric bicycle, a limiting block is arranged on the inner side of the handle, and a gap is formed between the limiting block and the handle to form a limiting groove; the side of the connecting column A is provided with a locking platform, and when the folding locking device is in a locking state, the locking platform enters a limiting groove to axially limit the bolt. By adopting the structure, the phenomenon that the bolt is popped up due to vibration in the riding process can be prevented, so that the device is more reliable.

Preferably, in the foldable electric bicycle, two pedals are respectively arranged on two sides of the a connecting column, and the pedals can be folded upwards. By adopting the structure, the occupied space of the electric bicycle after being folded is reduced.

Preferably, in the foldable electric bicycle, the foldable frame is made of aluminum alloy. By adopting the material, the whole body is light, more economical and convenient to carry.

Drawings

Fig. 1 is a schematic structural view of the foldable electric bicycle in an opened state according to the present invention.

FIG. 2 is a schematic view of the foldable electric bicycle according to the present invention.

Fig. 3 is an enlarged view of fig. 1.

Fig. 4 is a schematic structural view of the B-pillar mating with the front pillar trough body.

Fig. 5 is a schematic structural diagram of the folding locking device matched with the front support post and the connecting post A.

Fig. 6 is an enlarged view of fig. 5.

Fig. 7 is a schematic structural view of the fold-lock device.

Fig. 8 is a rear view of the fold latch.

Fig. 9 is a schematic view of the latch engaging a compression spring.

The labels in the figures are: 1-a front pillar; 11-front strut channel body; 12-a cover plate; 13-linear trajectory hole; 2-A connecting column; 21-A connecting column groove type main body; 22-A connecting column cover plate; 221-locking the platform; 23-a foot pedal; 24-a latch assembly ring; 3-rear pillar; 4-B connecting column; 41-a slide block; 5-folding locking means; 51-arc connecting strips; 511-Pin hole one; 512-pin hole two; 52-a latch; 521-a handle; 522-step; 523-a limiting block; 524-a limit groove; 53-compression spring.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model. In the following examples, those not described in detail are conventional means or common technical knowledge in the art.

Example (see fig. 1-9):

a foldable electric bicycle comprises a handlebar, a foldable frame, a cushion, a wheel and a storage battery (a hub motor is arranged on a hub of the wheel, and the storage battery is electrically connected with the hub motor through an electric door on the handlebar); the method is characterized in that: the foldable frame comprises a front pillar 1, an A connecting pillar 2, a rear pillar 3 and a B connecting pillar 4; the lower part of the front strut 1 is hinged with the front end of the A connecting column 2; the rear strut 3 is connected with the rear end of the A connecting column 2 through a sliding pair; the B connecting columns 4 are a pair and are respectively positioned on two sides of the foldable frame; the front end of the B connecting column 4 is connected with the front strut 1 through a sliding pair, and meanwhile, the B connecting column 4 is hinged with the middle part of the A connecting column 2 and the lower part of the rear strut 3; the front pillar 1 and the A connecting column 2 are also connected by a folding locking device 5 near the hinge shaft of the front pillar and the A connecting column; the folding locking device 5 can keep the foldable frame in the opening and folding states;

the handlebar is arranged at the top of the front pillar 1; the cushion is arranged at the top of the rear strut 3; the pair of wheels is respectively arranged at the lower end of the front strut 1 and the lower end of the B connecting column 4; the battery is provided behind the rear pillar 3.

When the folding device needs to be folded, the bolt in the folding locking device 5 is pulled open, and the folding device can be folded in one step. And the folding locking device 5 can automatically lock after being folded in place, and is more convenient and safe.

In the present embodiment, the front pillar 1 includes a front pillar pocket type body 11 and a front pillar patch 12; the front pillar groove-shaped main body 11 is connected with the cover plate 12 through threads to form a hollow structure; two side surfaces of the front support column 1 are respectively provided with a linear track hole 13, and correspondingly, the front end of the B connecting column 4 is provided with a sliding block 41; the front end of the B connecting column 4 forms a sliding pair with the front supporting column 1 through the matching of the sliding block 41 and the linear track hole 13; the A connecting column 2 comprises an A connecting column groove-shaped main body 21 and an A connecting column cover plate 22; the a-connection post groove-shaped body 21 is connected with the a-connection post cover plate 22 through threads. By adopting the structure, the structure is simple, the design is light, the economy is improved, and the folding locking device 5 is arranged in the structure.

In this embodiment, the folding locking device 5 comprises an arc-shaped connecting strip 51 and a bolt 52; one end of the arc-shaped connecting strip 51 is fixedly connected with the front column 1, and the other section is inserted into the A connecting column 2 from a hole position on the A connecting column 2; the A connecting column 2 is provided with a bolt assembling ring 24, and the bolt 52 is inserted in the bolt assembling ring 24; the head of the bolt 52 extends out of the side part of the A connecting column 2 and is provided with a handle 521; the arc-shaped connecting strip 51 is provided with a first pin hole 511 and a second pin hole 512 which are matched with the bolt 52, and when the electric bicycle is folded, the bolt 52 is matched and connected with the first pin hole 511 to form a locking structure; when the electric bicycle is in an open state, the bolt 52 is matched and connected with the second pin hole 512 to form a locking structure; a compression spring 53 is sleeved on the bolt 52, one end of the compression spring 53 is abutted against the bolt assembling ring 24, and the other end of the compression spring 53 is abutted against a step 522 at the front part of the bolt 52; a limit block 523 is arranged on the inner side of the handle 521, and a gap is formed between the limit block 523 and the handle 521 to form a limit groove 524; the side of the a-connection column 2 is provided with a locking platform 221, and when the folding locking device 5 is in a locking state, the locking platform 221 enters a limiting groove 524 to axially limit the plug pin 52.

When the folding bicycle needs to be folded, the handle 521 is rotated, so that the lock platform 221 leaves the limiting groove 524, then the bolt 52 is pulled out, the electric bicycle can be folded downwards due to the gravity, the bolt 52 is loosened in the folding process, and the bolt 52 can automatically enter the first pin hole 511 after being folded in place due to the action of the compression spring 53, so that a locking structure is formed. When the electric bicycle needs to be used, the bolt 52 is pulled out, the electric bicycle is pulled up manually, the bolt 52 is loosened in the pulling process, due to the effect of the compression spring 53, after the bolt is opened in place, the bolt 52 can automatically enter the second pin hole 512 to form a locking structure, the bolt 52 is twisted by 90 degrees and matched with the lock table 221, the lock table 221 enters the limiting groove 524 to axially limit the bolt 52, and the bolt is prevented from being popped out due to vibration in the using process.

In this embodiment, two sides of the a connection column 2 are respectively provided with a pedal 23, and the pedals 23 can be folded upwards. After the electric bicycle is folded, the pedal 23 is turned upwards, so that the occupied space is reduced.

In this embodiment, the foldable frame is made of aluminum alloy. By adopting the material, the whole body is light, more economical and convenient to carry.

The above general description of the utility model and the description of its specific embodiments in this application should not be construed as limiting the scope of the utility model. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the scope of the present application, without departing from the disclosure of the present application.

Claims

1. The foldable electric bicycle comprises a handlebar, a foldable frame, a cushion, wheels and a storage battery; the method is characterized in that: the foldable frame comprises a front pillar (1), an A connecting column (2), a rear pillar (3) and a B connecting column (4); the lower part of the front strut (1) is hinged with the front end of the A connecting column (2); the rear strut (3) is connected with the rear end of the A connecting column (2) through a sliding pair; the B connecting columns (4) are a pair and are respectively positioned at two sides of the foldable frame; the front end of the B connecting column (4) is connected with the front strut (1) through a sliding pair, and meanwhile, the B connecting column (4) is hinged with the middle part of the A connecting column (2) and the lower part of the rear strut (3); the front strut (1) and the A connecting column (2) are also connected by a folding locking device (5) near the hinge shaft of the front strut and the A connecting column; the folding locking device (5) can keep the foldable frame in the opening and folding states;

the handlebar is arranged at the top of the front pillar (1); the cushion is arranged at the top of the rear strut (3); the pair of wheels is respectively arranged at the lower end of the front strut (1) and the lower end of the B connecting column (4); the storage battery is arranged behind the rear support (3).

2. The foldable electric bicycle of claim 1, characterized in that: the front strut (1) comprises a front strut groove type main body (11) and a front strut cover plate (12); the front pillar groove-shaped main body (11) is connected with the front pillar cover plate (12) through threads to form a hollow structure; two side surfaces of the front support column (1) are respectively provided with a linear track hole (13), and correspondingly, the front end of the B connecting column (4) is provided with a sliding block (41); the front end of the B connecting column (4) forms a sliding pair with the front support column (1) through the matching of the sliding block (41) and the linear track hole (13).

3. The foldable electric bicycle of claim 2, wherein: the A connecting column (2) comprises an A connecting column groove-shaped main body (21) and an A connecting column cover plate (22); the A connecting column groove-shaped main body (21) is connected with the A connecting column cover plate (22) through threads.

4. The foldable electric bicycle of claim 3, wherein: the folding locking device (5) comprises an arc-shaped connecting strip (51) and a bolt (52); one end of the arc-shaped connecting strip (51) is fixedly connected with the front strut (1), and the other end of the arc-shaped connecting strip is inserted into the connecting column A (2) from a hole on the connecting column A (2); the A connecting column (2) is provided with a bolt assembling ring (24), and the bolt (52) is inserted in the bolt assembling ring (24); the head of the bolt (52) extends out of the side part of the A connecting column (2) and is provided with a handle (521); the arc-shaped connecting strip (51) is provided with a first pin hole (511) and a second pin hole (512) which are matched with the bolt (52), and when the electric bicycle is in a folded state, the bolt (52) is matched and connected with the first pin hole (511) to form a locking structure; when the electric bicycle is in an open state, the bolt (52) is matched and connected with the second pin hole (512) to form a locking structure.

5. The foldable electric bicycle of claim 4, wherein: the bolt (52) is sleeved with a compression spring (53), one end of the compression spring (53) is abutted to the bolt assembling ring (24), and the other end of the compression spring is abutted to a step (522) in the front of the bolt (52).

6. The foldable electric bicycle of claim 5, wherein: a limiting block (523) is arranged on the inner side of the handle (521), and a gap is formed between the limiting block (523) and the handle (521) to form a limiting groove (524); the side of the A connecting column (2) is provided with a locking table (221), and when the folding locking device (5) is in a locking state, the locking table (221) enters a limiting groove (524) to axially limit the bolt (52).

7. The foldable electric bicycle of claim 6, characterized in that: two sides of the A connecting column (2) are respectively provided with a pedal (23), and the pedals (23) can be folded upwards.

8. The foldable electric bicycle according to any one of claims 1-7, characterized in that: the foldable frame is made of aluminum alloy.