CN114228887B - Single-tube frame of two-wheeled electric vehicle - Google Patents
Single-tube frame of two-wheeled electric vehicle Download PDFInfo
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- CN114228887B CN114228887B CN202111619581.3A CN202111619581A CN114228887B CN 114228887 B CN114228887 B CN 114228887B CN 202111619581 A CN202111619581 A CN 202111619581A CN 114228887 B CN114228887 B CN 114228887B
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- section
- inclined section
- horizontal
- frame
- electric vehicle
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- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000035939 shock Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a single-tube frame of a two-wheeled electric vehicle, which comprises a head tube, wherein one side of the head tube is provided with a main beam tube, the main beam tube comprises a front inclined section, a horizontal section and a rear inclined section which are sequentially connected, the front inclined section and the rear inclined section are both positioned above the horizontal section, and the front inclined section and the rear inclined section are both obliquely arranged in a direction away from the horizontal section; the joints of the front inclined section, the rear inclined section and the horizontal section are all in arc transition connection; one end of the front inclined section, which is far away from the horizontal section, is connected with the side wall of the lower end of the head pipe, and the head pipe is inclined towards the direction of the horizontal section. The invention adopts a single main beam pipe, and compared with the traditional frame, the structure is simpler and the weight is lighter; the fixture used for producing the frame can be reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of electric vehicles, in particular to a single-tube frame of a two-wheeled electric vehicle.
Background
Because the frame of the two-wheeled electric vehicle is a very important part of the two-wheeled electric vehicle and relates to the safety performance of the whole vehicle, the country has certain requirements on the frame strength of the electric two-wheeled vehicle, and the vibration times under certain frequency after load are required to be met. The frame structure of the traditional two-wheeled electric vehicle generally adopts a main beam and a structural mode of symmetrically arranged side beams at two sides of the main beam, and the frame structure meets the requirements of vibration experiments, but as the requirements of people on the endurance mileage of the two-wheeled electric vehicle are increased, batteries are often increased, so that the weight of the vehicle is increased, and the electric vehicle is inconvenient to push, therefore, a single-tube frame is needed to be designed to lighten the quality of the frame of the two-wheeled electric vehicle.
Disclosure of Invention
The invention aims to provide a single-tube frame of a two-wheeled electric vehicle.
The invention has the innovation points that a single main beam pipe is adopted, so that the structure is simpler and the weight is lighter compared with the traditional frame; the fixture used for producing the frame can be reduced, and the production efficiency is improved; the arc is excessively connected, so that stress concentration during stress can be reduced, and the vibration experiment requirement is met.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the single-tube frame of the two-wheeled electric vehicle comprises a head tube, wherein one side of the head tube is provided with a main beam tube, the main beam tube comprises a front inclined section, a horizontal section and a rear inclined section which are connected in sequence, the front inclined section and the rear inclined section are all positioned above the horizontal section, and the front inclined section and the rear inclined section are all obliquely arranged in a direction away from the horizontal section; the joints of the front inclined section, the rear inclined section and the horizontal section are all in arc transition connection; one end of the front inclined section, which is far away from the horizontal section, is connected with the side wall of the lower end of the head pipe, and the head pipe is inclined towards the direction of the horizontal section. The single main beam pipe is adopted, so that the structure is simpler and the weight is lighter compared with the traditional frame; the fixture used for producing the frame can be reduced, and the production efficiency is improved; the arc is excessively connected, so that stress concentration during stress can be reduced, and the vibration experiment requirement is met.
Preferably, the included angles between the front inclined section, the rear inclined section and the horizontal section are all 120-150 degrees. The frame has good structural strength and meets the requirements of vibration experiments.
Preferably, one end of the rear inclined section, which is far away from the horizontal section, is penetrated by a shock absorption mounting rod, and the shock absorption mounting rod is parallel to the horizontal section; the outer side wall of the rear inclined section, which is far away from the front inclined section, is provided with a first reinforcing plate, and the two ends of the first reinforcing plate are respectively provided with an arc-shaped plate connected with the outer side wall of the shock absorption installation rod. The shock absorption mounting rod is used for improving the connection strength of the rear inclined section and facilitating the mounting of other components on the rear inclined section; the arc is laminated with shock attenuation installation pole, and both area of contact are big, not only can further improve shock attenuation installation pole and back slope section's joint strength, can also make the shock attenuation installation pole not destroyed when the atress under various operating modes.
Preferably, a second reinforcing plate is arranged at the joint of the front inclined section and the head pipe, and the second reinforcing plates are respectively positioned at the upper side and the lower side of the front inclined section. The second reinforcing plate can further improve the connection strength of the front inclined section and the head pipe.
Preferably, the fixing plates are extended upwards above the two arc plates; the junction of back slope section and horizontal segment is equipped with a seat bucket mount pad, the top of seat bucket mount pad is equipped with the installing frame, and the rear end and the fixed plate of installing frame are connected, vertically be equipped with the connecting rod between the front end of installing frame and the seat bucket mount pad. The seat barrel is arranged on the seat barrel installation seat and limited by the installation frame, and the connecting rod is used for connecting the seat barrel installation seat and the installation frame so as to improve the connection strength and the connection stability of the seat barrel installation seat and the installation frame; the fixing plate is used for placing the seat barrel in the installation frame to incline backwards, so that the seat barrel is further prevented from shaking.
Preferably, the horizontal section is provided with a first pedal mounting plate and a second pedal mounting plate, the first pedal mounting plate and the second pedal mounting plate are arranged in bilateral symmetry with respect to the axis of the horizontal section, and the first pedal mounting plate is located at the joint of the front inclined section and the horizontal section.
The beneficial effects of the invention are as follows:
1. the invention adopts a single main beam pipe, and compared with the traditional frame, the structure is simpler and the weight is lighter; the fixture used for producing the frame can be reduced, and the production efficiency is improved; the arc is excessively connected, so that stress concentration during stress can be reduced, and the vibration experiment requirement is met.
2. The damping mounting rod is adopted in the invention, so that the connection strength of the rear inclined section is improved, and other components can be conveniently mounted on the rear inclined section; the arc is laminated with shock attenuation installation pole, and both area of contact are big, not only can further improve shock attenuation installation pole and back slope section's joint strength, can also make the shock attenuation installation pole not destroyed when the atress under various operating modes.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure:
1. a head pipe; 11. a second reinforcing plate; 2. a front inclined section; 3. a horizontal section; 31. a first pedal mounting plate; 32. a second pedal mounting plate; 4. a rear inclined section; 5. a shock absorbing mounting rod; 6. a first reinforcing plate; 61. an arc-shaped plate; 62. a fixing plate; 7. a seat barrel mounting seat; 8. a mounting frame; 9. and (5) connecting a rod.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, a single-tube frame of a two-wheeled electric vehicle comprises a head tube 1, wherein one side of the head tube 1 is provided with a main beam tube, and the main beam tube comprises a front inclined section 2, a horizontal section 3 and a rear inclined section 4 which are sequentially connected. The junction of preceding inclined section 2 and head pipe 1 is equipped with second reinforcing plate 11, and second reinforcing plate 11 is located the upper and lower both sides of preceding inclined section 2 respectively. The front inclined section 2 and the rear inclined section 4 are both positioned above the horizontal section 3, and the front inclined section 2 and the rear inclined section 4 are both obliquely arranged in a direction away from the horizontal section 3. The included angles between the front inclined section 2, the rear inclined section 4 and the horizontal section 3 are all 120-150 degrees, preferably 135 degrees; the joints between the front inclined section 2, the rear inclined section 4 and the horizontal section 3 are all in arc transition connection.
As shown in fig. 1, the horizontal section 3 is provided with a first pedal mounting plate 31 and a second pedal mounting plate 32, the first pedal mounting plate 31 is located at the joint of the front inclined section 2 and the horizontal section 3, the second pedal is located between the first pedal and the rear inclined section 4, and the first pedal mounting plate 31 and the second pedal mounting plate 32 are both symmetrically arranged about the axis of the horizontal section 3.
As shown in fig. 1, the horizontal segment 3 is provided with a first pedal mounting plate 31 and a second pedal mounting plate 32, the first pedal mounting plate 31 and the second pedal mounting plate 32 are symmetrically arranged about the axis of the horizontal segment 3, and the first pedal mounting plate 31 is located at the joint of the front inclined segment 2 and the horizontal segment 3.
As shown in fig. 1, a shock-absorbing mounting rod 5 penetrates through one end of the rear inclined section 4, which is far away from the horizontal section 3, and the shock-absorbing mounting rod 5 is parallel to the horizontal section 3. The outer side wall of the rear inclined section 4 far away from the front inclined section 2 is provided with a first reinforcing plate 6, two ends of the first reinforcing plate 6 are respectively provided with an arc-shaped plate 61, the inner side wall of the arc-shaped plate 61 is attached to the outer side wall of the shock absorption installation rod 5, and a fixing plate 62 extends upwards on each arc-shaped plate 61. The junction of back slope section 4 and horizontal segment 3 is equipped with seat bucket mount pad 7, and the top level of seat bucket mount pad 7 is equipped with installing frame 8, and the rear end and the fixed plate 62 of installing frame 8 are connected, are connected through the connecting rod 9 of vertical setting between the front end of installing frame 8 and the seat bucket mount pad 7.
The described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (4)
1. A single-tube frame of a two-wheeled electric vehicle, which comprises a head tube and is characterized in that,
the front inclined section and the rear inclined section are all positioned above the horizontal section, and the front inclined section and the rear inclined section are all obliquely arranged in a direction away from the horizontal section;
the joints of the front inclined section, the rear inclined section and the horizontal section are all in arc transition connection;
one end of the front inclined section, which is far away from the horizontal section, is connected with the side wall of the lower end of the head pipe, and the head pipe is inclined towards the horizontal section;
the end, far away from the horizontal section, of the rear inclined section is penetrated by a damping mounting rod, and the damping mounting rod is parallel to the horizontal plane;
the outer side wall of the rear inclined section, which is far away from the front inclined section, is provided with a first reinforcing plate, and both ends of the first reinforcing plate are respectively provided with an arc-shaped plate connected with the outer side wall of the shock absorption installation rod;
a fixed plate extends upwards above the two arc plates;
the junction of back slope section and horizontal segment is equipped with a seat bucket mount pad, the top of seat bucket mount pad is equipped with the installing frame, and the rear end and the fixed plate of installing frame are connected, vertically be equipped with the connecting rod between the front end of installing frame and the seat bucket mount pad.
2. The single tube frame of the two-wheeled electric vehicle according to claim 1, wherein,
the included angles among the front inclined section, the rear inclined section and the horizontal section are all 120-150 degrees.
3. The single tube frame of the two-wheeled electric vehicle according to claim 1, wherein,
the junction of preceding slope section and head pipe is equipped with the second reinforcing plate, and the second reinforcing plate is located the upper and lower both sides of preceding slope section respectively.
4. The single tube frame of the two-wheeled electric vehicle according to claim 1, wherein,
be equipped with first pedal mounting panel, second pedal mounting panel on the horizontal segment, and first pedal mounting panel and second pedal mounting panel all set up with regard to the axis bilateral symmetry of horizontal segment, first pedal mounting panel is located the junction of preceding slope section and horizontal segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111619581.3A CN114228887B (en) | 2021-12-28 | 2021-12-28 | Single-tube frame of two-wheeled electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111619581.3A CN114228887B (en) | 2021-12-28 | 2021-12-28 | Single-tube frame of two-wheeled electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114228887A CN114228887A (en) | 2022-03-25 |
| CN114228887B true CN114228887B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111619581.3A Active CN114228887B (en) | 2021-12-28 | 2021-12-28 | Single-tube frame of two-wheeled electric vehicle |
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| Country | Link |
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| CN (1) | CN114228887B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7934739B2 (en) * | 2007-07-27 | 2011-05-03 | Niner, Inc. | Bicycle rear suspension |
| CN214028994U (en) * | 2020-01-15 | 2021-08-24 | 纳恩博（北京）科技有限公司 | Electric vehicle |
| CN111216830A (en) * | 2020-02-25 | 2020-06-02 | 立马车业集团有限公司 | Whole-vehicle modularized storage battery mounting platform of electric motorcycle |
| CN213862537U (en) * | 2020-12-11 | 2021-08-03 | 台铃科技发展有限公司 | Electric vehicle frame |
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2021
- 2021-12-28 CN CN202111619581.3A patent/CN114228887B/en active Active
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| CN114228887A (en) | 2022-03-25 |
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Effective date of registration: 20231206 Address after: No. 3-1, 3-2 Dongsheng Road, Anzhen Street, Xishan District, Wuxi City, Jiangsu Province 214105 Patentee after: Tailing Technology Co.,Ltd. Address before: 214105 No. 3 Dongsheng Road, Anzhen Street, Xishan District, Wuxi City, Jiangsu Province Patentee before: Taiwan bell Technology (Jiangsu) Co.,Ltd. |