CN216580840U - Frame structure and motorcycle comprising same - Google Patents
Frame structure and motorcycle comprising same Download PDFInfo
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- CN216580840U CN216580840U CN202220226434.3U CN202220226434U CN216580840U CN 216580840 U CN216580840 U CN 216580840U CN 202220226434 U CN202220226434 U CN 202220226434U CN 216580840 U CN216580840 U CN 216580840U
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- main beam
- cross rod
- lower main
- upper main
- frame structure
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Abstract
The utility model relates to a frame structure and a motorcycle comprising the same, wherein the frame structure comprises a steering sleeve, and the rear part of the steering sleeve is connected with a left frame component and a right frame component which are bilaterally symmetrical; the left frame member and the right frame member respectively comprise an upper main beam and a lower main beam which are arranged at intervals up and down, the front ends of the two upper main beams are closed oppositely and connected to the upper part of the steering sleeve, and the front ends of the two lower main beams are closed oppositely and connected to the lower part of the steering sleeve; the rear ends of the upper main beam and the lower main beam extend backwards and downwards, the rear ends of the upper main beam and the lower main beam on the same side are connected through a semicircular camber beam, and the upper main beam, the semicircular camber beam and the lower main beam on the same side form a U-shaped single-side frame body; a battery, a motor and a rear wheel mounting space are sequentially formed between the two unilateral frame bodies from front to back; an upper cross rod is connected between the two upper main beams, and a lower cross rod is connected between the two lower main beams; the lower cross rod is positioned between the battery and the motor installation space, and the upper cross rod is positioned above the motor installation space. The frame of this structure compact structure, the wholeness is strong, and the stability in use is better.
Description
Technical Field
The utility model belongs to the technical field of electric motorcycle car, concretely relates to frame structure reaches motorcycle that contains this structure.
Background
Small electric vehicles and motorcycles are increasingly used. The power output of the existing electric motorcycle is mainly divided into inner rotator work and outer rotator work. The torsion that the mid-set motor of internal rotator directly drives is not enough, generally needs a set of speed change system to carry out the output to the rear wheel through chain or belt after enlargiing torsion, and the speed change system can increase whole weight and occupy the volume, also can produce some energy loss in the transmission process. The hub motor mode that the outer rotator rotates to drive the tire to do work has the disadvantages that the unsprung mass is heavy in the motion process, the comfort of the whole vehicle in motion is easy to deteriorate, the weight of a rotating part is also heavy, and when the tire is abnormally worn, the eccentric force of the wheel at a high rotating speed is large, and the shaking is serious.
If rubber materials with larger friction force are added outside a motor of the outer rotating body, certain pressure is applied to the outer rotating body to rotate right against the surface of the rear tire, the rear wheel is pushed to rotate by static friction force, and the vehicle can be pushed to advance. The prior art discloses a power auxiliary device for an electric motor of a bicycle as CN202935528U, which is a power transmission form, and a power auxiliary driving device for a vehicle as CN202046202U, even mentions the idea of using the power transmission form in the vehicle.
However, in the small two-wheeled electric vehicle which uses a motor to rotate just against the surface pressure of the outer edge of the rear tire and uses static friction force to push the rear wheel to rotate at present, the design of the whole vehicle is not reasonable enough, most of the vehicle frame and the bottom fork are designed separately, the structure is complex, the cost is high, and the use stability and the comfort are not enough. Further optimization and improvement are needed.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a frame construction and contain the motorcycle of this structure, avoid frame construction complicated, the not enough problem of stability in use.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a frame structure comprises a steering sleeve for connecting a front fork assembly, wherein a left frame component and a right frame component which are bilaterally symmetrical are connected behind the steering sleeve; the left frame component and the right frame component respectively comprise an upper main beam and a lower main beam which are arranged at intervals up and down, the front ends of the two upper main beams are closed oppositely and connected to the upper part of the steering sleeve, and the front ends of the two lower main beams are closed oppositely and connected to the lower part of the steering sleeve; the rear ends of the upper main beam and the lower main beam extend backwards and downwards so as to be connected with rear wheels, the rear ends of the upper main beam and the lower main beam on the same side are connected through a semicircular bent beam, and the upper main beam, the semicircular bent beam and the lower main beam on the same side form a U-shaped single-side frame body; a battery installation space, a motor installation space and a rear wheel installation space are sequentially formed between the two unilateral frame bodies from front to back; an upper cross rod is connected between the middle rear parts of the two upper main beams, and a lower cross rod is connected between the middle parts of the two lower main beams; the lower cross rod is positioned between the battery installation space and the motor installation space, the upper cross rod is positioned above the motor installation space, and the rear wheel installation space is positioned between the two semicircular bent beams.
According to the technical scheme, the inner sides of the two semicircular bent beams are connected with axle connecting plates, the two axle connecting plates are parallel and opposite, and axle connecting holes are coaxially formed in the two axle connecting plates in a penetrating mode.
Furthermore, a battery box is connected between the two lower main beam sections in front of the lower cross rod, the opening of the battery box faces upwards, and the edge of the opening is correspondingly and fixedly connected with the lower cross rod and the two lower main beam sections; the battery mounting space is located above the battery case.
Furthermore, the upper main beam, the semicircular bent beam and the lower main beam which are arranged on the same side are formed by bending a metal pipe fitting to form the U-shaped unilateral frame body.
Furthermore, the two upper main beam sections in front of the upper cross rod are fixedly connected with seat cushion connecting support lugs.
Furthermore, a reinforcing rib plate is connected between the front ends of the two upper main beams, and a through hole is formed in the reinforcing rib plate so as to expand functions.
Furthermore, a plurality of reinforcing ribs are connected between the upper main beam and the lower main beam on the same side, and the plurality of reinforcing ribs are arranged at intervals along the front and the back.
Furthermore, the reinforcing ribs are obliquely arranged between the upper main beam and the lower main beam, and the oblique directions of the adjacent reinforcing ribs are opposite.
The utility model discloses still relate to a motorcycle, including foretell frame construction.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a frame structure, the manufacturing of being convenient for, the cost is not high, compact structure, the wholeness is strong, and the stability in use is better. When the rear wheel transmission device is used, the mounting position of the rear wheel can be fixed in the mounting space of the rear wheel between the two semicircular curved beams, the motor can be fixed on the two lower main beams through the support and is positioned in the mounting space of the motor, the outer circumferential surface of the motor is backwards contacted with the outer edge of the rear wheel, the rear wheel is driven to advance by static friction force during working, a flat fork does not need to be independently designed and manufactured, meanwhile, tightness adjustment in a chain or belt transmission process is not needed, a rear wheel shaft does not need to be adjusted forwards and backwards, the whole vehicle is more stable in the driving and using processes, the equidirectional performance of the front wheel and the rear wheel is always well maintained, and the power transmission effect can be achieved by adjusting the front position and the rear position of the motor.
Drawings
FIG. 1 is an elevation view of a frame structure according to an exemplary embodiment;
FIG. 2 is a perspective view of a frame construction according to an exemplary embodiment;
FIG. 3 is a front view of a motorcycle according to an exemplary embodiment;
FIG. 4 is a perspective view of a motorcycle according to an exemplary embodiment;
wherein, a steering sleeve 1, an upper main beam 2, a lower main beam 3, a semicircular curved beam 4, a unilateral frame body 5, a battery installation space 6, a motor installation space 7, a rear wheel installation space 8, an upper cross rod 9, a lower cross rod 10, an axle connecting plate 11, a battery box 12, a cushion connecting support lug 13, a reinforcing rib plate 14 and a reinforcing rib 15,
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a frame structure of an embodiment includes a steering sleeve 1 for connecting a front fork assembly, and a left frame member and a right frame member that are bilaterally symmetrical are connected to a rear portion of the steering sleeve 1; the left frame component and the right frame component respectively comprise an upper main beam 2 and a lower main beam 3 which are arranged at intervals up and down, the front ends of the two upper main beams 2 are closed towards and connected to the upper part of the steering sleeve 1, and the front ends of the two lower main beams 3 are closed towards and connected to the lower part of the steering sleeve 1; the rear ends of the upper main beam 2 and the lower main beam 3 extend backwards and downwards so as to be connected with rear wheels 20, the rear ends of the upper main beam 2 and the lower main beam 3 on the same side are connected through a semicircular bent beam 4, and the upper main beam 2, the semicircular bent beam 4 and the lower main beam 3 on the same side form a U-shaped single-side frame body 5; a battery installation space 6, a motor installation space 7 and a rear wheel installation space 8 are sequentially formed between the two unilateral frame frames 5 from front to back; an upper cross rod 9 is connected between the middle rear parts of the two upper main beams 2, and a lower cross rod 10 is connected between the middle parts of the two lower main beams 3; the lower cross bar 10 is positioned between the battery installation space 6 and the motor installation space 7, the upper cross bar 9 is positioned above the motor installation space 7, and the rear wheel installation space 8 is positioned between the two semicircular curved beams 4.
The frame structure of the embodiment is convenient to manufacture, low in cost, compact in structure, strong in integrity and better in use stability. Specifically, when the power transmission device is used, the mounting position of the rear wheel 20 can be fixed in the rear wheel mounting space 8 between the two semicircular curved beams 4, the motor 22 can be fixed on the two lower main beams 3 through the motor support and is located in the motor mounting space 7, the outer circumferential surface of the motor 22 is backwards contacted with the outer edge of the rear wheel 20, the rear wheel 20 is driven to move by static friction force during working, a flat fork does not need to be separately designed and manufactured, meanwhile, tightness adjustment in a chain or belt transmission process is not needed, a rear wheel shaft does not need to be adjusted forwards and backwards, the whole vehicle is more stable in the driving and using processes, the equidirectional performance of the front wheel and the rear wheel is always kept well, and the power transmission effect can be completed by adjusting the front and rear positions of the motor 22 (adjusted through connection of the motor 22 and the motor support or change of the connection position of the motor support and the lower main beams 3).
Wherein, the inboard of two semicircle curved beams 4 all is connected with axletree connecting plate 11, and two axletree connecting plates 11 are parallel just right, and coaxial run-through has seted up the axletree connecting hole on two axletree connecting plates 11.
Therefore, the rear wheel 20 is conveniently connected through the rotation of the rear wheel shaft, and the device is simple and reliable.
A battery box 12 is connected between the two lower main beam sections in front of the lower cross bar 10, the opening of the battery box 12 faces upwards, and the edge of the opening is correspondingly and fixedly connected with the lower cross bar 10 and the two lower main beam sections; the battery mounting space 6 is located above the battery case 12. The two upper main beam sections in front of the upper cross rod 9 are fixedly connected with cushion connecting support lugs 13.
For easy understanding, please refer to fig. 3 and 4, the present invention further provides a motorcycle, including the above frame structure, wherein the upper portion of the front fork assembly 16 rotatably passes through the steering sleeve 1 of the frame structure to be rotatably connected with the steering sleeve 1, the upper end of the front fork assembly 16 is connected with the steering handle pipe 17, the lower end of the front fork assembly 16 is connected with the front wheel 18 through the front shock absorber, and the cushion connecting lug 13 is connected with the cushion 19 with a shock absorption effect; the rear wheel 20 is rotatably connected between the two axle connecting plates 11 through a rear wheel shaft (not shown) at the axis position thereof and is positioned in the rear wheel mounting space 8, and two ends of the rear wheel shaft extend into axle connecting holes of the corresponding axle connecting plates 11; the two lower main beam sections between the rear wheel 20 and the lower cross bar 10 are respectively connected with a motor support 21, a motor 22 is connected with the two motor supports 21 and is positioned in the motor installation space 7, the axes of the motor 22 and the rear wheel 20 are parallel to each other, the outer circumferential surface of the motor 22 is a rotatable surface, and the outer circumferential surface of the motor 22 is in pressure contact with the outer circumferential surface of the rear wheel 20 along the radial direction.
In use, batteries (not shown) can be placed in the battery case 12 through the gap between the upper main beam 2 and the seat cushion 19, i.e., the batteries are located in the battery mounting space 6 above the battery case 12. The vehicle control unit may be disposed in the battery box 12, and the motor 22 is electrically connected to the battery and the vehicle control unit, which may be understood as being electrically connected to other electronic devices on the motorcycle, such as a lamp and a speed adjusting mechanism on the handlebar tube 17.
With reference to fig. 1 and 2, in the frame structure, the upper main beam 2, the semicircular bent beam 4 and the lower main beam 3 on the same side are formed by bending a metal pipe to form the U-shaped single-side frame body 5.
Thus, the manufacturing is convenient, and the overall strength is better.
Wherein, still be connected with deep floor 14 between two upper main girder 2 front ends, deep floor 14 is last to be seted up the through-hole that runs through so that expand the function. Be connected with a plurality of strengthening ribs 15 between the last girder 2 of homonymy and the girder 3 down, a plurality of strengthening ribs 15 set up along the front and back interval, and strengthening rib 15 is the slope form between last girder 2 and girder 3 down, and the incline direction of adjacent strengthening rib 15 is opposite.
Therefore, the strength of the frame can be further improved, and the use stability is better.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. A frame structure comprises a steering sleeve for connecting a front fork assembly, wherein a left frame component and a right frame component which are bilaterally symmetrical are connected behind the steering sleeve; the method is characterized in that: the left frame component and the right frame component respectively comprise an upper main beam and a lower main beam which are arranged at intervals up and down, the front ends of the two upper main beams are closed oppositely and connected to the upper part of the steering sleeve, and the front ends of the two lower main beams are closed oppositely and connected to the lower part of the steering sleeve; the rear ends of the upper main beam and the lower main beam extend backwards and downwards so as to be connected with rear wheels, the rear ends of the upper main beam and the lower main beam on the same side are connected through a semicircular bent beam, and the upper main beam, the semicircular bent beam and the lower main beam on the same side form a U-shaped single-side frame body; a battery installation space, a motor installation space and a rear wheel installation space are sequentially formed between the two unilateral frame bodies from front to back; an upper cross rod is connected between the middle rear parts of the two upper main beams, and a lower cross rod is connected between the middle parts of the two lower main beams; the lower cross rod is positioned between the battery installation space and the motor installation space, the upper cross rod is positioned above the motor installation space, and the rear wheel installation space is positioned between the two semicircular bent beams.
2. A frame structure according to claim 1, characterized in that: the inboard of two semicircle camber beams all is connected with the axletree connecting plate, and two axletree connecting plates are parallel just right, and coaxial run-through has seted up the axletree connecting hole on two axletree connecting plates.
3. A frame structure according to claim 1, characterized in that: a battery box is connected between the two lower main beam sections in front of the lower cross rod, the opening of the battery box faces upwards, and the edge of the opening is correspondingly and fixedly connected with the lower cross rod and the two lower main beam sections; the battery mounting space is located above the battery case.
4. A frame structure according to claim 1, characterized in that: the upper main beam, the semicircular camber beam and the lower main beam on the same side are formed by bending a metal pipe fitting to form the U-shaped single-side frame body.
5. A frame structure according to claim 1, characterized in that: the two upper main beam sections in front of the upper cross rod are fixedly connected with seat cushion connecting support lugs.
6. A frame structure according to claim 1, characterized in that: and a reinforcing rib plate is connected between the front ends of the two upper main beams, and a through hole is formed in the reinforcing rib plate so as to expand functions.
7. A frame structure according to any of claims 1-6, characterized in that: a plurality of reinforcing ribs are connected between the upper main beam and the lower main beam at the same side, and the plurality of reinforcing ribs are arranged at intervals along the front and the back.
8. A frame structure according to claim 7, characterized in that: the strengthening rib sets up in the slope between upper main beam and the lower main beam, and the incline direction of adjacent strengthening rib is opposite.
9. A motorcycle characterized in that: comprising a frame structure according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226434.3U CN216580840U (en) | 2022-01-27 | 2022-01-27 | Frame structure and motorcycle comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226434.3U CN216580840U (en) | 2022-01-27 | 2022-01-27 | Frame structure and motorcycle comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216580840U true CN216580840U (en) | 2022-05-24 |
Family
ID=81634388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220226434.3U Active CN216580840U (en) | 2022-01-27 | 2022-01-27 | Frame structure and motorcycle comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216580840U (en) |
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2022
- 2022-01-27 CN CN202220226434.3U patent/CN216580840U/en active Active
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