阅读说明：本技术 一种电单车的折叠机构及其操作方法 (Folding mechanism of electric bicycle and operation method thereof ) 是由 田金良 李威 于 2021-06-03 设计创作，主要内容包括：本发明公开了一种电单车的折叠机构,包括支撑柱：所述支撑柱的底部设置有套环,且套环通过贯穿的第一转轴与安装有后叉的后车架转动连接,所述后车架上设置有折叠板,且折叠板通过第一锁止组件与支撑柱锁止,所述支撑柱上设置有前车架,且前车架上设置有折叠杆,所述折叠杆的底部转动连接有安装有前叉的第二锁止组件。本发明中,该折叠机构采用前、后车架独立旋转折叠的方式,可以将电单车的前、后车轮进行独立的聚拢折叠操作,尽可能的缩小电单车的整体体积,从而方便对电单车进行折叠后的携带和运输操作。(The invention discloses a folding mechanism of an electric bicycle, which comprises a support column: the bottom of support column is provided with the lantern ring, and the lantern ring is connected through the first pivot that runs through and the back frame rotation of installing the back fork, be provided with the folded sheet on the back frame, and the folded sheet is through first locking subassembly and support column locking, be provided with preceding frame on the support column, and be provided with the folding rod on the preceding frame, the bottom of folding rod is rotated and is connected with the second locking subassembly of installing the front fork. In the invention, the folding mechanism adopts a mode that the front frame and the rear frame are independently rotated and folded, so that the front wheel and the rear wheel of the electric bicycle can be independently gathered and folded, the integral volume of the electric bicycle is reduced as much as possible, and the electric bicycle is convenient to carry and transport after being folded.)

1. The utility model provides a folding mechanism of electric bicycle, includes support column (5), its characterized in that:

the bottom of the supporting column (5) is provided with a lantern ring (3), and the lantern ring (3) is rotatably connected with a rear frame (1) provided with a rear fork through a first rotating shaft (2) which penetrates through the lantern ring;

the rear frame (1) is provided with a folding plate (4), and the folding plate (4) is locked with the support column (5) through a first locking assembly (6);

a front frame (7) is arranged on the supporting column (5), and a folding rod (8) is arranged on the front frame (7);

the bottom of the folding rod (8) is rotatably connected with a second locking assembly (9) provided with a front fork.

2. The folding mechanism of an electric bicycle according to claim 1, wherein: the first locking assembly (6) comprises a triangular locking plate (62), one corner of the locking plate (62) is connected with the supporting column (5) through a second rotating shaft (61), and the other two corners of the locking plate (62) are connected with the folding plate (4) through first locking units.

3. The folding mechanism of an electric bicycle according to claim 2, wherein: the first locking unit comprises a rear locking pin (63) and a front locking pin (64) which penetrate through the other two corners of the locking plate (62), and the rear locking pin (63) and the front locking pin (64) are respectively inserted into a rear locking hole (41) and a front locking hole (42) of the folding plate (4).

4. The folding mechanism of an electric bicycle according to claim 3, wherein: the rear locking holes (41) and the front locking holes (42) are distributed in a staggered structure, and the number of the rear locking holes (41) corresponds to that of the front locking holes (42) one by one.

5. The folding mechanism of an electric bicycle according to claim 1, wherein: the second locking assembly (9) comprises a locking frame (91), and the locking frame (91) is connected with a positioning ring (81) on the folding rod (8) through a second locking unit.

6. The folding mechanism of an electric bicycle according to claim 5, wherein: the second locking unit comprises a locking rod (92) penetrating through the locking frame (91), and the locking rod (92) is correspondingly connected with a locking hole (83) in the positioning ring (81).

7. The folding mechanism of an electric bicycle according to claim 6, wherein: the locking rods (92) and the locking holes (83) are distributed in an annular structure, and the number of the locking rods (92) is less than that of the locking holes (83).

8. The folding mechanism of an electric bicycle according to claim 6, wherein: a third rotating shaft (93) is arranged on the locking frame (91), and a shaft hole (82) is formed in the positioning ring (81);

the locking frame (91) is rotatably connected with the positioning ring (81) through the corresponding insertion of the third rotating shaft (93) and the shaft hole (82).

9. A method of operating a folding mechanism of an electric bicycle according to claims 1-8, comprising the steps of:

s1: taking out the rear locking pin (63) and the front locking pin (64), unlocking the folding plate (4), rotating the folding plate (4) under the action of the first rotating shaft (2), and turning and folding the rear frame (1) provided with the rear fork to be close to the support column (5);

s2: inserting a rear locking pin (63) and a front locking pin (64) into the folding plate (4) and enabling the folding plate to penetrate through the folding plate and be positioned on two sides of the supporting column (5) so as to fold and lock the rear frame (1);

s3: taking out the locking rod (92), unlocking the second locking assembly (9), rotating the second locking assembly (9) under the action of a third rotating shaft (93), and turning and folding the second locking assembly (9) provided with the front fork to be close to the support column (5);

s4: and a locking rod (92) is inserted into a locking hole (83) at a corresponding position on the positioning ring (81), and the second locking assembly (9) is folded and locked.

Technical Field

The invention relates to the technical field of electric bicycle folding mechanisms, in particular to an electric bicycle folding mechanism and an operation method thereof.

Background

Along with the improvement of people's standard of living, can be on weekend and holiday travel, and when outdoor tourism, can ride with the help of electric bicycle to reach the place that the car can not reach, however current electric bicycle does not generally have folding function, and its parking is big with occupation space when idle, and many users hope that the size of electric bicycle can reach and place in the car trunk, so that drive behind the car stops to the urban area periphery or parking stall department, utilize the electric bicycle in the trunk to carry out short distance commuting in the urban area.

Chinese patent publication No.: CN209305746U discloses a folding device for electric bicycle and electric bicycle, comprising: the main frame is suitable for connecting a front wheel, a handlebar and a saddle; a rear fork adapted to secure a rear wheel of the vehicle; the main rotating shaft is positioned between the main frame and the rear fork and is suitable for rotatably connecting the main frame and the rear fork; the first end of the shock absorber is connected with the vehicle frame, and the second end of the shock absorber is connected with the rear fork.

However, in the prior art, the folding operation of the electric bicycle is not convenient enough, so that the electric bicycle cannot be gathered together and shrunk after being folded, and a certain volume can be still kept after the electric bicycle is folded, thereby the transportation and carrying operation of the electric bicycle are not convenient.

Disclosure of Invention

The invention aims to provide a folding mechanism of an electric bicycle and an operation method thereof, which can realize inward gathering and folding of front and rear wheels of the electric bicycle, reduce the volume and facilitate transportation and carrying.

In order to achieve the above purpose, the invention provides the following technical scheme: a folding mechanism for an electric bicycle, comprising a support column:

the bottom of the supporting column is provided with a lantern ring, and the lantern ring is rotatably connected with a rear frame provided with a rear fork through a first rotating shaft which penetrates through the lantern ring;

the rear frame is provided with a folding plate, and the folding plate is locked with the support column through a first locking assembly;

a front frame is arranged on the supporting column, and a folding rod is arranged on the front frame;

the bottom of the folding rod is rotatably connected with a second locking assembly provided with a front fork.

As a further description of the above technical solution:

the first locking assembly comprises a triangular locking plate, one corner of the locking plate is connected with the supporting column through a second rotating shaft, and the other two corners of the locking plate are connected with the folding plate through first locking units.

As a further description of the above technical solution:

first locking unit is including running through the back locking round pin and the preceding locking round pin that set up two other angles on the locking plate, and back locking round pin and preceding locking round pin peg graft with back locking hole and preceding locking hole on the folded sheet respectively.

As a further description of the above technical solution:

the rear locking holes and the front locking holes are distributed in a staggered structure, and the number of the rear locking holes corresponds to that of the front locking holes one by one.

As a further description of the above technical solution:

the second locking assembly comprises a locking frame, and the locking frame is connected with the positioning ring on the folding rod through a second locking unit.

As a further description of the above technical solution:

the second locking unit comprises a locking rod penetrating through the locking frame, and the locking rod is correspondingly connected with a locking hole in the positioning ring.

As a further description of the above technical solution:

the locking rods and the locking holes are distributed in an annular structure, and the number of the locking rods is less than that of the locking holes.

As a further description of the above technical solution:

a third rotating shaft is arranged on the locking frame, and a shaft hole is formed in the positioning ring;

through the corresponding grafting in third pivot and shaft hole, rotate the locking frame and the holding ring and be connected.

A method of operating the folding mechanism of the electric bicycle according to claims 1-8, comprising the steps of:

s1: taking out the rear locking pin and the front locking pin, unlocking the folding plate, rotating the folding plate under the action of the first rotating shaft, and turning and folding the rear frame provided with the rear fork to be close to the support column;

s2: inserting a rear locking pin and a front locking pin into the folding plate, enabling the rear locking pin and the front locking pin to penetrate through the folding plate and be positioned on two sides of the supporting column, and folding and locking the rear frame;

s3: taking out the locking rod, unlocking the second locking assembly, rotating the second locking assembly under the action of the third rotating shaft, and turning over and folding the second locking assembly provided with the front fork to be close to the support column;

s4: and inserting the locking rod into the locking hole at the corresponding position on the positioning ring to fold and lock the second locking assembly.

In the technical scheme, the folding mechanism of the electric bicycle and the operation method thereof provided by the invention have the following beneficial effects:

the folding mechanism adopts the mode that the front frame and the rear frame are independently rotated and folded, can independently gather the front wheels and the rear wheels of the electric bicycle, and reduces the whole volume of the electric bicycle as much as possible, thereby being convenient for carrying and transporting the electric bicycle after being folded.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural diagram of a folding mechanism of an electric bicycle and an operation method thereof according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a folding plate according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first locking assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a folding bar according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second locking assembly according to an embodiment of the present invention.

Description of reference numerals:

1. a rear frame; 2. a first rotating shaft; 3. a collar; 4. folding the board; 41. a rear locking hole; 42. a front locking hole; 5. a support pillar; 6. a first locking assembly; 61. a second rotating shaft; 62. a lock plate; 63. a rear locking pin; 64. a front locking pin; 7. a front frame; 8. a folding bar; 81. a positioning ring; 82. a shaft hole; 83. a locking hole; 9. a second locking assembly; 91. a locking frame; 92. a lock lever; 93. and a third rotating shaft.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, a folding mechanism of an electric bicycle includes a support column 5:

the bottom of the supporting column 5 is provided with a lantern ring 3, and the lantern ring 3 is rotatably connected with a rear frame 1 provided with a rear fork through a first rotating shaft 2 which penetrates through the lantern ring;

a folding plate 4 is arranged on the rear frame 1, and the folding plate 4 is locked with a support column 5 through a first locking assembly 6;

a front frame 7 is arranged on the support column 5, and a folding rod 8 is arranged on the front frame 7;

the bottom of the folding rod 8 is rotatably connected with a second locking assembly 9 provided with a front fork.

In this embodiment, effect through first pivot 2, can rotate the folding with back frame 1, and the locking effect with the help of first locking subassembly 6, can be with 4 locks of folded sheet on support column 5, can realize the folding locking effect of back frame 1, on the other hand passes through the locking effect of second locking subassembly 9, can fold the locking with folding rod 8 that is equipped with the front fork, thereby the electric bicycle is plantago, the independent folding locking effect of rear side, can be with the front of electric bicycle, the back wheel carries out independent folding operation of gathering together, reduce the whole volume of electric bicycle as far as, thereby conveniently carry out carrying and transportation operation after folding to the electric bicycle.

As shown in fig. 2 and 3, the first locking assembly 6 includes a triangular locking plate 62, one corner of the locking plate 62 is connected to the supporting post 5 through the second rotating shaft 61, the other two corners of the locking plate 62 are connected to the folding plate 4 through the first locking unit, the first locking unit includes a rear locking pin 63 and a front locking pin 64 penetrating the other two corners of the locking plate 62, and the rear locking pin 63 and the front locking pin 64 are respectively inserted into the rear locking hole 41 and the front locking hole 42 of the folding plate 4, when the rear frame 1 is rotated, the folding plate 4 is driven to rotate, at this time, the contact position of the folding plate 4 and the supporting post 5 is changed, when the rear frame 1 is rotated to the maximum amplitude, the rear locking pin 63 and the front locking pin 64 are respectively inserted into the rear locking hole 41 and the front locking hole 42 of the folding plate 4, and the rear locking pin 63 and the front locking pin 64 are made to penetrate through the rear locking hole 41 and the front locking hole 42, and the folding plates 4 can be locked and fixed at the positions on the two sides of the supporting columns 5, so that the folding locking effect of the rear wheels is realized.

As shown in fig. 2, the rear locking holes 41 and the front locking holes 42 are distributed in a staggered structure, and the numbers of the rear locking holes 41 and the front locking holes 42 are in one-to-one correspondence, so that the corresponding splicing of the rear locking pins 63 and the front locking pins 64 with the rear locking holes 41 and the front locking holes 42 can be ensured, and the locking effect of the first locking assembly 6 is realized.

As shown in fig. 4 and 5, the second locking assembly 9 includes a locking frame 91, the locking frame 91 is connected to the positioning ring 81 on the folding rod 8 through the second locking unit, the second locking unit includes a locking rod 92 penetrating through the locking frame 91, the locking rod 92 is correspondingly connected to the locking hole 83 on the positioning ring 81, a third rotating shaft 93 is arranged on the locking frame 91, a shaft hole 82 is arranged on the positioning ring 81, the locking frame 91 is rotatably connected to the positioning ring 81 through the corresponding insertion of the third rotating shaft 93 and the shaft hole 82, the front wheel is rotated to be turned and folded under the action of the third rotating shaft 93, when the front wheel moves to be close to the supporting column 5, the locking rod 92 penetrates through the locking hole 83, and the locking rod 92 is located on two sides of the folding rod 8, so that a locking fixing effect can be achieved on the second locking assembly 9, and thus a folding locking effect of the front wheel is achieved.

As shown in fig. 4 and 5, the locking rods 92 and the locking holes 83 are distributed in an annular structure, the number of the locking rods 92 is less than that of the locking holes 83, the number of the locking rods 92 is not less than two, and the number of the locking holes 83 is not less than three, so that the locking rods 92 can cooperate with the locking holes 83 to achieve a stable locking fixing effect on the second locking assembly 9.

As shown in fig. 1 to 5, an operation method of a folding mechanism of an electric bicycle includes the steps of:

s1: taking out the rear locking pin 63 and the front locking pin 64, unlocking the folding plate 4, rotating the folding plate 4 under the action of the first rotating shaft 2, and turning and folding the rear frame 1 provided with the rear fork to be close to the support pillar 5;

s2: inserting a rear locking pin 63 and a front locking pin 64 into the folding plate 4 and positioning the folding plate at two sides of the support column 5 to fold and lock the rear frame 1;

s3: taking out the locking rod 92, unlocking the second locking assembly 9, rotating the second locking assembly 9 under the action of the third rotating shaft 93, and turning and folding the second locking assembly 9 provided with the front fork to be close to the support column 5;

s4: the second locking assembly 9 is then locked in place by inserting the locking rod 92 into the corresponding locking hole 83 of the positioning ring 81.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.