CN220549163U - Integrated frame of folding electric bicycle - Google Patents
Integrated frame of folding electric bicycle Download PDFInfo
- Publication number
- CN220549163U CN220549163U CN202321115694.4U CN202321115694U CN220549163U CN 220549163 U CN220549163 U CN 220549163U CN 202321115694 U CN202321115694 U CN 202321115694U CN 220549163 U CN220549163 U CN 220549163U
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- CN
- China
- Prior art keywords
- frame
- electric bicycle
- cross beam
- folding electric
- mounting
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 3
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 2
- KBMLJKBBKGNETC-UHFFFAOYSA-N magnesium manganese Chemical compound [Mg].[Mn] KBMLJKBBKGNETC-UHFFFAOYSA-N 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 8
- 238000004512 die casting Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Automatic Cycles, And Cycles In General (AREA)
Abstract
The utility model relates to an integrated frame of a folding electric bicycle, which comprises a front frame (1) and a rear frame (2), wherein the front frame (1) comprises a head pipe (11) and a front cross beam (12), the head pipe (11) is arranged at the front end of the front cross beam (12), the front cross beam (12) is a hollow component, a front mounting cavity (13) is arranged in the front cross beam, the rear frame (2) comprises a rear cross beam (21), a vertical pipe (22), a flat pipe (23) and a rear fork (24), the rear cross beam (21) is a hollow component, a rear mounting cavity (25) is arranged in the rear cross beam (21), the vertical pipe (22) is arranged above the rear end of the rear cross beam (21), the flat pipe (23) is arranged below the rear cross beam (21), and a side fork plate of the rear fork (24) is connected with the rear cross beam (21).
Description
Technical Field
The utility model relates to the technical field of electric bicycles, in particular to an integrated frame of a folding electric bicycle.
Background
The electric bicycle is a transportation means with a motor, a controller, a storage battery, a handle bar, and other operating components and a display instrument system on the basis of the mechanism of a common bicycle. The electric bicycle is a green transportation tool and has huge domestic demand. The folding electric bicycle is small in size, foldable to store, easy to carry, very suitable for commuting and riding in busy cities, brings different riding feeling to people, and is very wide in audience.
The existing production process of the folding electric bicycle frame is a single-piece processing and integral welding process, parts such as a head pipe, a cross beam, a vertical pipe, a flat pipe, a rear fork and the like are firstly processed independently, and then the parts such as the head pipe, the cross beam, the vertical pipe, the flat pipe, the rear fork and the like are welded together by the welding process to form the folding electric bicycle frame. The existing production process method of the folding electric bicycle frame enables the frame to generate a plurality of welding joints, the welding joints not only affect the overall aesthetic degree of the electric bicycle, but also have uneven structure of heat affected areas of the welding joints, stress concentration is caused, welding seams are electrically corroded to become failure sources of the whole frame, the welding joints can be damaged in advance in subsequent quality testing and use, fatigue resistance and damage resistance are low, the service life is short, and potential safety hazards are brought to riders. In addition, because the existing folding electric bicycle frame is processed by a single-piece processing and integral welding process, a battery box for installing a storage battery and a control box for installing a controller are additionally welded on a cross beam and a vertical pipe, so that the folding electric bicycle frame is abrupt in shape, attractive in appearance and poor in mechanical structural strength.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provide the integrally formed frame of the folding electric bicycle, which has the advantages of simple and novel structure, high mechanical strength, long service life, high use safety, reasonable overall structural design, streamline shape, attractive appearance, one-time die casting and high production and processing efficiency.
The technical scheme adopted by the utility model is as follows: the utility model provides a folding electric bicycle's integrated into one piece formula frame, including preceding frame 1 and rear frame 2, round pin axle 3 is installed to one side of preceding frame 1 and rear frame 2, be used for articulated connection, hasp 4 is installed to the opposite side of preceding frame 1 and rear frame 2, be used for locking connection, preceding frame 1 is including head pipe 11 and front cross beam 12, head pipe 11 sets up the front end at front cross beam 12, front cross beam 12 is hollow member, its inside is provided with front mounting chamber 13, install battery mounting bracket 14 in the front mounting chamber 13, rear frame 2 is including rear cross beam 21, riser 22, flat tube 23 and rear fork 24, rear cross beam 21 is hollow member, its inside is provided with rear mounting chamber 25, riser 22 sets up the rear end top at rear cross beam 21, flat tube 23 sets up the below at rear cross beam 21, the both ends of flat tube 23 are connected with rear cross beam 21 through the connection curb plate, rear fork 24 sets up the rear end below rear cross beam 21, the side fork plate and rear cross beam 21 of rear fork 24 are connected, be equipped with the gusset of being connected between them.
The further improvement is that the front frame 1 and the rear frame 2 are formed into a magnesium-manganese alloy or magnesium-aluminum alloy component by integral die casting.
The front frame is further improved in that a hinge installation block is respectively arranged on one side of the rear end of the front frame 1 and one side of the front end of the rear frame 2, a pin shaft 3 is installed on the hinge installation block, a lock catch installation block is respectively arranged on the other side of the rear end of the front frame 1 and the other side of the front end of the rear frame 2, and a lock catch 4 is installed on the lock catch installation block.
A further improvement consists in that the inner walls of the front mounting cavity 13 and the rear mounting cavity 25 are provided with reinforcing ribs, respectively.
A further improvement is that the front end of the rear mounting cavity 25 is provided with a sealing cover plate, and the rear end of the rear mounting cavity 25 is provided with a reinforcing connection cover plate.
Compared with the prior art, the utility model has the following beneficial effects: simple structure is novel, and mechanical strength is high, long service life, and the safety in utilization is high, and overall structure reasonable in design, streamline shape, outward appearance are pleasing to the eye, and disposable die casting shaping, production machining efficiency is high.
Drawings
Figure 1 is a schematic view of the structure of the present utility model,
figure 2 is a schematic three-dimensional perspective view of the present utility model,
figure 3 is a schematic view of the structure of the front frame in the present utility model,
figure 4 is a top view of figure 3,
figure 5 is a three-dimensional schematic view of the front frame of the present utility model,
figure 6 is a schematic view of the structure of the rear frame in the present utility model,
figure 7 is a top view of figure 6,
fig. 8 is a schematic three-dimensional perspective view of a rear frame in the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
As shown in fig. 1 to 8, an integrated into one piece formula frame of folding electric bicycle, including front frame 1 and rear frame 2, front frame 1 and rear frame 2 are integrated into one piece die-casting into magnesium alloy or magnesium aluminum alloy component, round pin axle 3 is installed to one side of front frame 1 and rear frame 2, be used for articulated connection, hasp 4 is installed to the opposite side of front frame 1 and rear frame 2, be used for locking connection, rear end one side of front frame 1 and front end one side of rear frame 2 are equipped with articulated installation piece respectively, round pin axle 3 installs on articulated installation piece, the rear end opposite side of front frame 1 and the front end opposite side of rear frame 2 are provided with the hasp installation piece respectively, hasp 4 installs on the hasp installation piece, front frame 1 is including head pipe 11 and front beam 12, head pipe 11 sets up the front end at front beam 12, front beam 12 is hollow component, its internally provided with front installation cavity 13, install battery mount bracket 14 in front installation cavity 13's the inner wall, be equipped with the strengthening rib on the inner wall, rear frame 2 is including rear beam 21, stand pipe 22, pipe 23 and fork member 24, the rear end 25 is installed for the rear end 25 is installed to the rear end and is installed at the rear end 25, the rear end is connected with the rear end 25, the rear end 25 is connected at the rear end of the rear end 25, the rear end is connected with the rear end of the rear end 25, and is provided with the strengthening rib.
The integrated frame comprises a front frame 1 and a front cross beam 12, wherein the front cross beam 12 is a hollow member, the rear frame 2 comprises a rear cross beam 21, a vertical pipe 22, a flat pipe 23 and a rear fork 24, the rear cross beam 21 is a hollow member, and the front frame 1 and the rear frame 2 are respectively and integrally die-cast and core-cast to form, so that the front frame 1 and the rear frame 2 are respectively and integrally die-cast and core-cast to form, the mechanical strength is high, the appearance is attractive, the production and processing efficiency is high, and the yield is high; the front beam 12 is hollow, the front mounting cavity 13 is arranged in the front mounting cavity 13, the storage battery is mounted in the front mounting cavity 13, the rear beam 21 is hollow, the rear mounting cavity 25 is arranged in the rear mounting cavity 25, the controller is mounted in the rear mounting cavity 25, and the integral die-casting molding structure design of loose core is realized, the structural design of the mounting cavity is realized, the layout design is unified, and the integral structural design is reasonable.
Without being limited thereto, any changes or substitutions that are not contemplated by the inventors are intended to be included within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a folding electric bicycle's integrated into one piece frame, a serial communication port, including preceding frame (1) and rear frame (2), round pin axle (3) are installed to one side of preceding frame (1) and rear frame (2), be used for articulated connection, hasp (4) are installed to the opposite side of preceding frame (1) and rear frame (2), be used for locking connection, preceding frame (1) is including head pipe (11) and front beam (12), head pipe (11) set up the front end at front beam (12), front beam (12) are hollow member, its inside is provided with front mounting chamber (13), install battery mounting bracket (14) in front mounting chamber (13), rear frame (2) are including rear beam (21), riser (22), flush tube (23) and rear fork (24), rear beam (21) are hollow member, its inside is provided with rear mounting chamber (25), riser (22) set up in rear end top rear beam (21), flush tube (23) set up in the below rear beam (21), the both ends of tube (23) through connecting with rear beam (21) are connected, be equipped with between rear beam (24) and rear side gusset (24), it is connected to rear beam (21).
2. An integrally formed frame for a folding electric bicycle as claimed in claim 1, characterized in that the front frame (1) and the rear frame (2) are integrally die-cast magnesium-manganese alloy or magnesium-aluminum alloy members.
3. The integrally formed frame of a folding electric bicycle according to claim 1, characterized in that the rear end side of the front frame (1) and the front end side of the rear frame (2) are respectively provided with a hinge mounting block, the pin shaft (3) is mounted on the hinge mounting block, the rear end other side of the front frame (1) and the front end other side of the rear frame (2) are respectively provided with a lock catch mounting block, and the lock catch (4) is mounted on the lock catch mounting block.
4. An integrally formed frame for a folding electric bicycle as claimed in claim 1, characterized in that the inner walls of the front mounting cavity (13) and the rear mounting cavity (25) are provided with reinforcing ribs, respectively.
5. The integrally formed frame of a folding electric bicycle of claim 1, characterized in that the front end of the rear mounting cavity (25) is provided with a sealing cover plate, and the rear end of the rear mounting cavity (25) is provided with a reinforcing connection cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115694.4U CN220549163U (en) | 2023-05-09 | 2023-05-09 | Integrated frame of folding electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115694.4U CN220549163U (en) | 2023-05-09 | 2023-05-09 | Integrated frame of folding electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220549163U true CN220549163U (en) | 2024-03-01 |
Family
ID=90005903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321115694.4U Active CN220549163U (en) | 2023-05-09 | 2023-05-09 | Integrated frame of folding electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220549163U (en) |
-
2023
- 2023-05-09 CN CN202321115694.4U patent/CN220549163U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |