CN220430393U - Heavy-duty electric bicycle frame - Google Patents
Heavy-duty electric bicycle frame Download PDFInfo
- Publication number
- CN220430393U CN220430393U CN202321803046.8U CN202321803046U CN220430393U CN 220430393 U CN220430393 U CN 220430393U CN 202321803046 U CN202321803046 U CN 202321803046U CN 220430393 U CN220430393 U CN 220430393U
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- Prior art keywords
- pipe
- inclined rod
- carrier
- rear fork
- tube
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- 238000005452 bending Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a heavy-duty electric bicycle frame which comprises a lower pipe, a vertical pipe, a rear fork and a carrier, wherein a head pipe is arranged at one end of the lower pipe, a mounting part for mounting a driving device is arranged at the other end of the lower pipe, one end of the vertical pipe is connected with the mounting part, the rear fork comprises an upper rear fork, a lower rear fork and a connecting plate, one end of the upper rear fork is connected with the other end of the vertical pipe, one end of the lower rear fork is connected with the mounting part, the other end of the upper rear fork is connected with the middle part of the lower rear fork, the other end of the lower rear fork is connected with the connecting plate, the rear fork further comprises a load pipe, the load pipe is distributed along the direction from the connecting plate to the head pipe, one end of the load pipe is connected with the lower pipe, the load pipe is connected with the vertical pipe, the load pipe is connected with the upper rear fork, the load pipe is connected with the connecting plate, and the carrier is mounted on the load pipe. The optimized structure of the heavy-duty electric bicycle frame strengthens the mechanical strength of the rear fork through the load tube traversing the frame, and promotes the overall load structural strength of the frame to be improved.
Description
Technical Field
The utility model relates to a heavy-duty electric bicycle frame.
Background
Electric bicycles are widely known as daily travel tools, have high use frequency and wide range, and are the first choice tools for travel. In particular, in the short-distance transportation operation scene, the electric bicycle plays a role in important transportation, and can walk on a small street with dense pedestrian flow, which cannot be passed by a motor vehicle, or on a transaction market with turbulent flow of people and vehicles. In the short-distance carrying operation scene, the weight of the goods is often much higher than the weight of a person, and in order to carry the goods, the electric bicycle is required to have a remarkable load structure, but the load structure of the electric bicycle frame in the prior art is only a rear fork on the frame. The rear fork of the electric bicycle frame is provided with a connecting part for bearing goods, and when the goods are placed on the connecting part, the rear fork distributes the weight of the goods to the rear end of the frame, namely the position where the rear wheel is arranged on the frame. The rear fork in the prior art consists of an upper rear fork, a lower rear fork and a connecting plate, is thin in structure, is designed for initially meeting the requirement of small load carrying, and has the defect of insufficient structural strength of a load for the load carrying requirement of heavy load.
Disclosure of Invention
The utility model aims to solve the technical problem of improving the load structural strength of a frame, thereby obtaining a heavy-duty electric bicycle frame.
In order to solve the technical problems, the heavy-duty electric bicycle frame comprises a lower pipe, a vertical pipe, a rear fork and a carrier, wherein one end of the lower pipe is provided with a head pipe, the other end of the lower pipe is provided with a mounting part for mounting a driving device, one end of the vertical pipe is connected with the mounting part, the rear fork comprises an upper rear fork, a lower rear fork and a connecting plate, one end of the upper rear fork is connected with the other end of the vertical pipe, one end of the lower rear fork is connected with the mounting part, the other end of the upper rear fork is connected with the middle part of the lower rear fork, the other end of the lower rear fork is connected with the connecting plate, the rear fork further comprises a carrier, the carrier is distributed along the direction from the connecting plate to the head pipe, one end of the carrier is connected with the lower pipe, the carrier is connected with the vertical pipe, the carrier is connected with the upper rear fork, and the carrier is mounted on the carrier.
The mechanical strength of the rear fork structure is increased by the load pipe, so that the strength of the whole load structure of the frame is enhanced, and the weight born by the load carrier is distributed through the load pipe in the technical scheme, so that the front end part of the frame, namely the lower pipe and the vertical pipe, is effectively involved in the bearing process, and the strength of the whole load structure of the frame is also improved. The loading tubes traverse the rear end region of the frame so that the frame can be provided with a larger carrier, which means that the frame can carry more cargo at a time.
In order to balance the internal stress of the optimized load structure and avoid the situation of local stress, the connection part of the load pipe and the lower pipe is positioned at the middle part of the lower pipe, the connection part of the load pipe and the vertical pipe is positioned at the middle part of the vertical pipe, and the connection part of the load pipe and the upper rear fork is positioned at the middle part of the upper rear fork.
For promoting structural strength, the rear fork still includes first diagonal brace pipe, the other end of load pipe is connected with the one end of first diagonal brace pipe, the other end of first diagonal brace pipe is connected with the connecting plate.
The utility model provides a cargo rack and goods direct contact and bear goods, in order to match the load pipe and distribute weight characteristic on the frame, the cargo rack includes top year thing ring, supporting component, top year thing ring is rectangular shape, supporting component includes first diagonal, second diagonal, third diagonal, fourth diagonal, the one end and the load pipe of first diagonal are connected, the other end and the top year thing ring of first diagonal are connected, the one end and the load pipe of second diagonal are connected, the other end and the top year thing ring of second diagonal are connected, the one end and the load pipe of third diagonal are connected, the other end and the top year thing ring of third diagonal are connected, the one end and the last back fork of fourth diagonal are connected, fourth diagonal is connected and fourth diagonal is located the intermediate part of first diagonal, fourth diagonal is connected and fourth diagonal is located the intermediate part of second diagonal with the second diagonal, fourth diagonal is connected and is located the intermediate part of second diagonal with the third diagonal, fourth diagonal is connected and is located the intermediate part of third diagonal.
In order to form clamping relation with each other, the extending direction of the first inclined rod, the extending direction of the second inclined rod and the extending direction of the third inclined rod are all intersected. This contributes to the structural strength of the carrier.
The appearance characteristic of frame can promote the pleasing to the eye degree of whole car, not only can promote the pleasing to the eye degree of frame in this preferred scheme, can further strengthen the load structural strength of frame still, supporting component still includes the pipe of buckling, the one end and the top of buckling pipe carry the thing ring to be connected, the other end and the load union coupling of buckling pipe, the other end and the pipe of buckling of fourth diagonal rod are connected, the junction part of fourth diagonal rod and buckling pipe is located the bending part of buckling pipe.
The utility model provides a load structural strength's of promotion frame, reinforcement frame another preferred scheme, supporting component still includes buckling pipe and second diagonal bracing pipe, the one end of buckling pipe is connected with the top year thing ring, the other end and the load union coupling of buckling pipe, the other end and the first diagonal bracing of fourth diagonal bar are connected, the one end and the first diagonal bracing of second diagonal bracing pipe are connected, the other end and the buckling pipe connection of second diagonal bracing pipe, the junction position of second diagonal bracing pipe and buckling pipe is located the straight position of buckling pipe.
After the technical scheme is adopted by the utility model: the optimized structure of the heavy-duty electric bicycle frame strengthens the mechanical strength of the rear fork through the load tube traversing the frame, and promotes the overall load structural strength of the frame to be improved. The loading tubes traverse the rear end region of the frame so that the frame can be provided with a larger carrier, which means that the frame can carry more cargo at a time.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a frame of a heavy-duty electric bicycle according to a first embodiment of the present utility model;
fig. 2 is a schematic structural view of a second embodiment of a heavy-duty electric bicycle frame according to the present utility model.
Detailed Description
A first embodiment of the utility model is shown in fig. 1.
The heavy-duty electric bicycle frame comprises a lower pipe 1, a vertical pipe 2, a rear fork 3 and a carrier 4.
One end of the lower pipe 1 is provided with a head pipe 5, and the other end of the lower pipe 1 is provided with an installation part 6 for installing a driving device. One end of the vertical pipe 2 is connected with the mounting part 6, and the other end of the vertical pipe 2 is used for mounting a cushion.
The rear fork 3 comprises an upper rear fork 7, a lower rear fork 8, a connecting plate 9, a load carrying pipe 10 and a first inclined supporting pipe 11. The number of the upper rear forks 7, the number of the lower rear forks 8, the number of the connecting plates 9, the number of the load carrying pipes 10 and the number of the first inclined supporting pipes 11 are two, and the two inclined supporting pipes are symmetrically distributed on two sides of the heavy-duty electric bicycle frame in two groups. One end of the upper rear fork 7 is connected with the other end of the vertical pipe 2, and one end of the lower rear fork 8 is connected with the mounting part 6; the other end of the upper rear fork 7 is connected with the middle part of the lower rear fork 8, and the other end of the lower rear fork 8 is connected with a connecting plate 9. The connection plate 9 is used for mounting axles of rear wheels, i.e. the rear wheels are mounted on the connection plate 9. The load carrying pipes 10 are distributed along the direction from the connecting plate 9 to the head pipe 5, one end of the load carrying pipe 10 is connected with the lower pipe 1, and the connecting part of the load carrying pipe 10 and the lower pipe 1 is positioned at the middle part of the lower pipe 1; the load pipe 10 is connected with the vertical pipe 2, and the connection part of the load pipe 10 and the vertical pipe 2 is positioned at the middle part of the vertical pipe 2; the load tube 10 is connected with the upper rear fork 7, and the connection part of the load tube 10 and the upper rear fork 7 is positioned at the middle part of the upper rear fork 7; the loading pipe 10 is connected with the connecting plate 9; the other end of the load pipe 10 is connected to one end of the first diagonal pipe 11, and the other end of the first diagonal pipe 11 is connected to the connecting plate 9.
The carrier rack 4 is mounted on both load carrying tubes 10. The carrier 4 comprises a top carrier ring 12, a support assembly. The top carrying ring 12 is rectangular, and a group of support assemblies are respectively connected to the long side of the top carrying ring 12, and each group of support assemblies is connected to the load pipe 10. The support assembly comprises a first diagonal 13, a second diagonal 14, a third diagonal 15, a fourth diagonal 16, and a bent tube 17. One end of the first inclined rod 13 is connected with the load pipe 10, the other end of the first inclined rod 13 is connected with the top carrying ring 12, one end of the second inclined rod 14 is connected with the load pipe 10, the other end of the second inclined rod 14 is connected with the top carrying ring 12, one end of the third inclined rod 15 is connected with the load pipe 10, and the other end of the third inclined rod 15 is connected with the top carrying ring 12; one end of the fourth diagonal bar 16 is connected with the upper rear fork 7, the fourth diagonal bar 16 is connected with the first diagonal bar 13, and the connection part of the fourth diagonal bar 16 and the first diagonal bar 13 is positioned at the middle part of the first diagonal bar 13, the fourth diagonal bar 16 is connected with the second diagonal bar 14, and the connection part of the fourth diagonal bar 16 and the second diagonal bar 14 is positioned at the middle part of the second diagonal bar 14, the fourth diagonal bar 16 is connected with the third diagonal bar 15, and the connection part of the fourth diagonal bar 16 and the third diagonal bar 15 is positioned at the middle part of the third diagonal bar 15. The first diagonal bar 13, the second diagonal bar 14 and the third diagonal bar 15 are arranged one by one in a direction from the rear end to the front end of the frame, that is, in a direction from a position where the rear wheel is mounted on the frame to a position where the front wheel is mounted on the frame, and the extending direction of the first diagonal bar 13, the extending direction of the second diagonal bar 14 and the extending direction of the third diagonal bar 15 are all intersected, that is, the positional relationship among the three is not parallel. One end of the bending pipe 17 is connected with the top carrying ring 12, the other end of the bending pipe 17 is connected with the loading pipe 10, the other end of the fourth inclined rod 16 is connected with the bending pipe 17, and the connection part of the fourth inclined rod 16 and the bending pipe 17 is positioned at the bending part of the bending pipe 17.
A second embodiment of the utility model is shown in figure 2. This embodiment differs from the first embodiment in that the support assembly further comprises a second diagonal brace pipe 18. Similarly, one end of the first diagonal rod 13 is connected with the load pipe 10, the other end of the first diagonal rod 13 is connected with the top carrying ring 12, one end of the second diagonal rod 14 is connected with the load pipe 10, the other end of the second diagonal rod 14 is connected with the top carrying ring 12, one end of the third diagonal rod 15 is connected with the load pipe 10, and the other end of the third diagonal rod 15 is connected with the top carrying ring 12; one end of the fourth diagonal bar 16 is connected with the upper rear fork 7, the fourth diagonal bar 16 is connected with the first diagonal bar 13, and the connection part of the fourth diagonal bar 16 and the first diagonal bar 13 is positioned at the middle part of the first diagonal bar 13, the fourth diagonal bar 16 is connected with the second diagonal bar 14, and the connection part of the fourth diagonal bar 16 and the second diagonal bar 14 is positioned at the middle part of the second diagonal bar 14, the fourth diagonal bar 16 is connected with the third diagonal bar 15, and the connection part of the fourth diagonal bar 16 and the third diagonal bar 15 is positioned at the middle part of the third diagonal bar 15. The first diagonal bar 13, the second diagonal bar 14 and the third diagonal bar 15 are arranged one by one in a direction from the rear end to the front end of the frame, that is, in a direction from a position where the rear wheel is mounted on the frame to a position where the front wheel is mounted on the frame, and the extending direction of the first diagonal bar 13, the extending direction of the second diagonal bar 14 and the extending direction of the third diagonal bar 15 are all intersected, that is, the positional relationship among the three is not parallel. One end of a bending pipe 17 is connected with the top carrying ring 12, the other end of the bending pipe 17 is connected with the loading pipe 10, the other end of a fourth inclined rod 16 is connected with the first inclined rod 13, one end of a second inclined supporting pipe 18 is connected with the first inclined rod 13, the other end of the second inclined supporting pipe 18 is connected with the bending pipe 17, and the connecting part of the second inclined supporting pipe 18 and the bending pipe 17 is positioned at the straight part of the bending pipe 17.
Claims (7)
1. This heavy load formula electric bicycle frame, this heavy load formula electric bicycle frame includes down pipe (1), riser (2), rear fork (3), carrier (4), the one end of down pipe (1) is equipped with head pipe (5), down the other end of pipe (1) is equipped with installation department (6) that are used for installing drive arrangement, the one end and the installation department (6) of riser (2) are connected, rear fork (3) include rear fork (7), lower rear fork (8), connecting plate (9), the one end of going up rear fork (7) is connected with the other end of riser (2), the one end and the installation department (6) of lower rear fork (8) are connected, its characterized in that: the utility model discloses a rear fork, including back fork (8), carrier frame (4), carrier frame (10) are connected in the middle part of back fork (8), the other end of last back fork (7) is connected in back fork (8), the other end of back fork (8) is connected with connecting plate (9), back fork (3) still include carrier pipe (10), carrier pipe (10) are distributed to the direction of head pipe (5) along connecting plate (9), the one end and the down tube (1) of carrier pipe (10) are connected, carrier pipe (10) are connected with riser (2), carrier pipe (10) are connected with last back fork (7), carrier pipe (10) are connected with connecting plate (9), carrier frame (4) are installed on carrier pipe (10).
2. The heavy-duty electric bicycle frame of claim 1, wherein: the connecting part of the load tube (10) and the lower tube (1) is positioned at the middle part of the lower tube (1), the connecting part of the load tube (10) and the vertical tube (2) is positioned at the middle part of the vertical tube (2), and the connecting part of the load tube (10) and the upper rear fork (7) is positioned at the middle part of the upper rear fork (7).
3. The heavy-duty electric bicycle frame of claim 1, wherein: the rear fork (3) further comprises a first inclined supporting pipe (11), the other end of the load carrying pipe (10) is connected with one end of the first inclined supporting pipe (11), and the other end of the first inclined supporting pipe (11) is connected with the connecting plate (9).
4. The heavy-duty electric bicycle frame of claim 1, wherein: the carrier (4) comprises a top carrier ring (12) and a supporting component, the top carrier ring (12) is in a rectangular shape, the supporting component comprises a first inclined rod (13), a second inclined rod (14), a third inclined rod (15) and a fourth inclined rod (16), one end of the first inclined rod (13) is connected with the carrier tube (10), the other end of the first inclined rod (13) is connected with the top carrier ring (12), one end of the second inclined rod (14) is connected with the carrier tube (10), the other end of the second inclined rod (14) is connected with the top carrier ring (12), one end of the third inclined rod (15) is connected with the carrier tube (10), the other end of the third inclined rod (15) is connected with the top carrier ring (12), one end of the fourth inclined rod (16) is connected with the upper rear fork (7), the fourth inclined rod (16) is connected with the first inclined rod (13) and the fourth inclined rod (16) is connected with the first inclined rod (13), the second inclined rod (14) is positioned at the middle part of the fourth inclined rod (16) which is connected with the second inclined rod (14), the fourth inclined rod (16) is connected with the third inclined rod (15), and the connection part of the fourth inclined rod (16) and the third inclined rod (15) is positioned at the middle part of the third inclined rod (15).
5. The heavy duty electric bicycle frame of claim 4, wherein: the extending direction of the first inclined rod (13), the extending direction of the second inclined rod (14) and the extending direction of the third inclined rod (15) are all intersected.
6. The heavy duty electric bicycle frame of claim 4, wherein: the support assembly further comprises a bending tube (17), one end of the bending tube (17) is connected with the top carrying ring (12), the other end of the bending tube (17) is connected with the loading tube (10), the other end of the fourth inclined rod (16) is connected with the bending tube (17), and the connecting part of the fourth inclined rod (16) and the bending tube (17) is located at the bending part of the bending tube (17).
7. The heavy duty electric bicycle frame of claim 4, wherein: the support assembly further comprises a bending pipe (17) and a second inclined supporting pipe (18), one end of the bending pipe (17) is connected with the top carrying ring (12), the other end of the bending pipe (17) is connected with the loading pipe (10), the other end of the fourth inclined rod (16) is connected with the first inclined rod (13), one end of the second inclined supporting pipe (18) is connected with the first inclined rod (13), the other end of the second inclined supporting pipe (18) is connected with the bending pipe (17), and the connecting part of the second inclined supporting pipe (18) and the bending pipe (17) is located at the straight part of the bending pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803046.8U CN220430393U (en) | 2023-07-10 | 2023-07-10 | Heavy-duty electric bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803046.8U CN220430393U (en) | 2023-07-10 | 2023-07-10 | Heavy-duty electric bicycle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220430393U true CN220430393U (en) | 2024-02-02 |
Family
ID=89697916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321803046.8U Active CN220430393U (en) | 2023-07-10 | 2023-07-10 | Heavy-duty electric bicycle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220430393U (en) |
-
2023
- 2023-07-10 CN CN202321803046.8U patent/CN220430393U/en active Active
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| GR01 | Patent grant | ||
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