CN214296282U

CN214296282U - Two-wheel motorcycle

Info

Publication number: CN214296282U
Application number: CN202120148919.0U
Authority: CN
Inventors: 范旭
Original assignee: Changsha Yuankang Computer Technology Co ltd
Current assignee: Changsha Yuankang Computer Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-09-28
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a two-wheeled motorcycle, including frame, front fork, back chain stay, still be provided with suspension controller, angle sensor, rear wheel shock absorber, air pump, electromagnetism pneumatic valve, air spring. The utility model discloses a set up air spring and rear wheel shock absorber, overcome the air spring shock absorber structure complicacy of former patent application technical scheme, the trouble problem of maintenance to the two-wheeled motorcycle that makes can be with the rigidity and the damping coefficient that adjust magnetorheological damper according to the road surface situation of difference and speed of traveling and the effect of highly maintaining setting for the level all the time of messenger motorcycle rear portion automobile body, and the structure is simpler, the maintenance is changed more conveniently.

Description

Two-wheel motorcycle

Technical Field

The utility model belongs to the motorcycle field, in particular to two-wheeled motorcycle.

Background

On 6/4/2020, Changshangkang computer science, Inc., filed a utility model patent application with application number 202020485135.2.

The main contents of the technical scheme protected by the patent application are as follows: "a motorcycle comprising: the suspension controller is connected with the angle sensor through a data line, the suspension controller is electrically connected with the air spring shock absorber, the air pump and the electromagnetic air valve, and the suspension controller, the air pump and the electromagnetic air valve are fixed on a frame; one end of the angle sensor is arranged on the frame, and the other end of the angle sensor is fixedly connected with the rear bottom fork; two ends of the air spring shock absorber are respectively fixedly connected with the frame and the rear bottom fork; the air spring shock absorber is connected with the air pump and the electromagnetic air valve through air pipes, and the suspension controller is electrically connected with a battery of the two-wheeled motorcycle. The two-wheeled motorcycle adopting the technical scheme can reduce the influence of the carrying weight on the rear body of the motorcycle to the maximum extent, maintain the rear body at the vicinity of the set horizontal height, and adjust the rigidity and the damping coefficient of the magnetorheological damper according to different road conditions and running speeds, thereby realizing good shock absorption and shock absorption effects.

However, the protection scope of the technical scheme protected by the patent application is not comprehensive enough, the technical scheme is not complete enough, and the improvement is still needed.

Disclosure of Invention

The utility model aims at making further deformation and improvement to the technical scheme of above-mentioned patent application to make the protection scope can be more comprehensive and complete, the utility model discloses a realize through following technical scheme:

the utility model provides a two-wheeled motorcycle, which comprises a vehicle rack, the front fork, the back chain stay, still be provided with the suspension controller, angle sensor, the rear wheel shock absorber, the air pump, the electromagnetism pneumatic valve, air spring, the suspension controller is fixed on frame or front fork, the suspension controller is connected with two-wheeled motorcycle's battery electricity, angle sensor's one end is installed on the frame, the other end and back chain stay fixed connection, the suspension controller carries out communication connection through the data line with angle sensor, the air pump, the electromagnetism pneumatic valve is fixed on the frame, the suspension controller and air pump, the electromagnetism pneumatic valve carries out the electricity and connects, air spring, the both ends of rear wheel shock absorber respectively with the frame, back chain stay fixed connection, air spring and air pump, the electromagnetism pneumatic valve passes through the trachea and is connected.

Furthermore, the number of the rear wheel shock absorbers is 2, and the rear wheel shock absorbers are distributed on two sides of the rear wheel of the two-wheeled motorcycle.

Further, an air dryer is provided before the air inlet of the air pump, and the air dryer can dry the air entering the air pump.

Furthermore, the rear wheel shock absorber is a rear wheel magneto-rheological damper, a rear wheel acceleration sensor is additionally arranged on the frame above the rear wheel of the two-wheeled motorcycle, the rear wheel magneto-rheological damper is electrically connected with the suspension controller, and the rear wheel acceleration sensor is in communication connection with the suspension controller through a data line.

Further, the rear wheel acceleration sensor is integrated inside the suspension controller, which is provided on the frame above the rear wheel of the motorcycle.

Furthermore, the number of the air springs is 2, and the air springs are distributed on two sides of the rear wheel of the two-wheeled motorcycle.

Furthermore, the number of the air springs is 1, the air springs are arranged right in front of a rear wheel of the two-wheeled motorcycle, one end of each air spring is fixedly installed in the middle of the front section of the rear bottom fork, and the other end of each air spring is fixedly connected with the frame.

Furthermore, the number of the air springs is 4, and the air springs are distributed on two sides of the rear wheel of the two-wheeled motorcycle.

The utility model discloses following beneficial effect has:

the utility model discloses a replace air spring shock absorber with air spring and rear wheel magnetorheological damper, overcome the air spring shock absorber structure complicacy of former patent application technical scheme, the trouble problem of maintenance to the two-wheeled motorcycle that makes can be with the rigidity and the damping coefficient that adjust magnetorheological damper according to the road surface situation of difference and the speed of traveling and the height that makes motorcycle rear portion automobile body is maintained throughout and is being set for the effect of level, and the structure is simpler, the maintenance is changed more conveniently.

Drawings

Fig. 1 is a schematic view of a partial position structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic view of a partial position structure according to an embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a position of an air spring and a rear bottom fork according to an embodiment of the present invention;

fig. 5 is a schematic structural view illustrating a position of an air spring and a rear fork according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a rear bottom fork according to an embodiment of the present invention.

Detailed Description

The technical scheme of the invention is described in detail by one embodiment and the accompanying drawings.

Example 1

As shown in fig. 1, 2, 3, 4, 5 and 6, a two-wheeled motorcycle 1 comprises a frame 7, a front fork 9, a rear fork 8, a suspension controller 2 and an angle sensor 3, wherein the suspension controller 2 is fixed on the frame 7, the suspension controller 2 is electrically connected with a battery of the two-wheeled motorcycle 1, one end of the angle sensor 3 is installed on the frame 7, and the other end is fixedly connected with the rear fork 8; the suspension controller 2 is in communication connection with the angle sensor 3 through a data line (not marked in the figure), and is further provided with a device combination comprising an air spring 10, a rear wheel magnetorheological damper 4, an air pump 5 and an electromagnetic air valve 6 and used for adjusting the position change between the frame 7 and the rear bottom fork 8.

A rear wheel acceleration sensor 11 is further arranged on a frame 7 above a rear wheel of the two-wheeled motorcycle 1, the rear wheel acceleration sensor 11 is in communication connection with a suspension controller 2 through a data line (not marked in the figure), a rear wheel magnetorheological damper 4 is electrically connected with the suspension controller 2, the suspension controller 2 is electrically connected with an air pump 5 and an electromagnetic air valve 6, the air pump 5 and the electromagnetic air valve 6 are fixed on the frame 7, an air dryer (not marked in the figure) is further arranged in front of an air inlet of the air pump 5, and the air dryer (not marked in the figure) can dry air entering the air pump 5; the number of the air springs 10 and the number of the rear wheel magnetorheological dampers 4 are 2, the air springs and the rear wheel magnetorheological dampers are symmetrically distributed on two sides of a rear wheel of the two-wheeled motorcycle 1, and two ends of each air spring are fixedly connected with the frame 7 and the rear bottom fork 8 respectively; the air spring 10 is connected with the air pump 5 and the electromagnetic air valve 6 through air pipes (not shown in the figure).

As an improvement of the embodiment, the air spring 10 comprises an air bag, an upper end fixing cover, a lower end piston sleeve and a vent hole, the magnetorheological damper (rear wheel magnetorheological damper 4) comprises a damping cylinder, magnetorheological fluid, a damping rod and a piston, and the magnetorheological fluid is filled in the damping cylinder (the magnetorheological fluid is a suspension formed by dispersing micrometer-sized magnetic polarized particles in non-magnetic polar liquid, and the non-magnetic polar liquid is formed by mixing cotton oil and tung oil according to a ratio of 3 to 1); the upper end of the air bag is hermetically connected with the upper end fixing cover, the lower end of the air bag is hermetically connected with the lower end piston sleeve, the vent hole is formed in the upper end fixing cover, and the vent hole is connected with the air pump 5 and the electromagnetic air valve 6 through air pipes (not marked in the figure); the damping rod is a hollow rod with a lead inside and is fixedly connected with the piston, the lead is connected with the suspension controller 2 and is connected with a coil in the piston, a through hole through which magnetorheological fluid can flow is formed in the piston, and the piston is nested in the damping cylinder and can move up and down along the damping cylinder.

In this embodiment, the suspension controller 2 includes a power circuit, a signal conditioning circuit, a main control circuit, a power driving circuit, a connector, a controller housing, and a wire harness, the main control circuit is connected to the signal conditioning circuit and the power driving circuit through the wire harness (data lines (not shown)), and the power circuit is electrically connected to the signal conditioning circuit, the main control circuit, and the power driving circuit. The power circuit is internally provided with a voltage converter, the voltage converter can convert 60v direct current output by a storage battery of the motorcycle into high-quality stable 12v direct current to supply power to each circuit of the suspension controller 2, the signal conditioning circuit collects signals such as angle signals and acceleration signals, conditions the signals and transmits the signals to the main control circuit, the main control circuit processes the signals and then sends instructions to the power driving circuit, and the power driving circuit drives the air pump 5, the electromagnetic air valve 6 and the rear wheel magnetorheological damper 4.

In this embodiment, when the motorcycle 1 runs, the rear wheel acceleration sensor 11 detects the vibration acceleration at the upper end of the rear wheel magnetorheological damper 4 in real time (it should be noted that the rear wheel acceleration sensor 11 does not detect the speed of the running direction of the motorcycle 1, the existing motorcycles are all equipped with speedometers, the speed information of the running direction of the motorcycle can be collected and provided by a motorcycle controller in the prior art), and transmits the vibration acceleration signal to the suspension controller 2, and the suspension controller 2 implements real-time adjustment on the damping of the rear wheel magnetorheological damper 4 according to the obtained vibration acceleration signal, and mainly: when the two-wheeled motorcycle 1 is in poor driving road conditions and has large jolt, the rear wheel acceleration sensor 11 detects that the vibration acceleration at the upper end of the rear wheel magnetorheological damper 4 is large in real time, the suspension controller 2 acquires the information at the moment, the power driving circuit in the suspension controller 2 reduces the current in the piston of the rear wheel magnetorheological damper 4, the current is reduced, the adsorption force of the piston on magnetic particles in the magnetorheological fluid is weakened, the blocking degree of through holes in the piston by the magnetic particles is reduced, the damping coefficient of the rear wheel magnetorheological damper 4 is reduced, and the rear body of the two-wheeled motorcycle 1 is soft and comfortable; when the two-wheeled motorcycle 1 is in good road conditions and the jolt is not large, the rear wheel acceleration sensor 11 detects that the vibration acceleration at the upper end of the rear wheel magnetorheological damper 4 is small in real time, and at the moment, the suspension controller 2 mainly adjusts the damping of the rear wheel magnetorheological damper 4 in real time according to the speed information of the motorcycle in the running direction.

The general relationship of the suspension controller 2 for implementing real-time adjustment on the damping of the rear wheel magnetorheological damper 4 according to the speed information of the motorcycle running direction is as follows: when the two-wheeled motorcycle 1 runs at a low speed (the speed of the motorcycle does not exceed 35 km/h), the power driving circuit in the suspension controller 2 reduces the current in the piston of the rear-wheel magnetorheological damper 4, the current reduction enables the adsorption force of the piston on the magnetic particles in the magnetorheological fluid to be weakened, the blocking degree of the through holes in the piston by the magnetic particles is reduced, and therefore the damping coefficient of the rear-wheel magnetorheological damper 4 is reduced (specifically, the damping force value of the rear-wheel magnetorheological damper 4 is not higher than 50N), and the rear-wheel magnetorheological damper 4 is in a softer state; when the two-wheeled motorcycle 1 runs fast (the speed of the motorcycle exceeds 35 km/h), the power driving circuit in the suspension controller 2 increases the current in the piston of the rear-wheel magnetorheological damper 4, the current increases to enhance the adsorption force of the piston on the magnetic particles in the magnetorheological fluid, so that the blockage degree of the through holes in the piston by the magnetic particles is increased, the damping coefficient of the rear-wheel magnetorheological damper 4 is increased (specifically, the damping force value of the rear-wheel magnetorheological damper 4 is not lower than 100N), and the rear-wheel magnetorheological damper 4 is in a relatively hard state.

Of course, the suspension controller 2 performs comprehensive analysis in combination with the speed and road conditions of the motorcycle 1 during actual operation, and finally determines whether to adjust the damping coefficient of the rear wheel magnetorheological damper 4.

In the embodiment, the angle sensor 3 mainly has the function of converting the position change of the rear body of the two-wheeled motorcycle 1 into an angle signal of the angle sensor 3, so that the real-time measurement of the position of the rear body is realized; when the load at the rear part of the two-wheeled motorcycle 1 is increased, the rear body of the two-wheeled motorcycle 1 is obviously sunk, and the distance between the frame 7 and the rear bottom fork 8 is reduced, the angle sensor 3 detects the position change and transmits the position change information to the suspension controller 2, and the suspension controller 2 sends a signal to the air pump 5 to inflate the air so as to extend an air bag in the air spring 10, and finally the control target of lifting the rear body of the two-wheeled motorcycle 1 to the set horizontal height is realized; when the load at the rear part of the two-wheeled motorcycle 1 is reduced, the rear body of the two-wheeled motorcycle 1 is obviously lifted, and the distance between the frame 7 and the rear bottom fork 8 is increased, the angle sensor 3 detects the position change and transmits the position change information to the suspension controller 2, at the moment, the suspension controller 2 sends a signal to the electromagnetic air valve 6 for exhausting, and the electromagnetic air valve 6 exhausts redundant high-pressure air, so that the air bag in the air spring 10 is shortened, and the height of the rear body of the motorcycle is always maintained at a set horizontal height.

In this embodiment, the electromagnetic air valve 6 is mainly used for releasing high-pressure air in the air bag into the atmosphere so as to reduce the height of the rear body of the motorcycle 1; as a suitable modification of the present embodiment, the solenoid valve 6 may also have a function of controlling the input of high-pressure air into the airbag by changing as appropriate.

The utility model discloses simple structure is simultaneously for reduction in production cost, the utility model discloses also can purchase spare part equipment on the market in the implementation process, can optionally purchase hall formula sensor like angle sensor 3, this moment the utility model discloses a manufacturing cost is lower. It should be noted that the air dryer (not shown) may also be disposed between the air outlet of the air pump 5 and the vent hole of the air spring 10.

For convenience of practical installation and use, the suspension controller 2, the air pump 5, the electromagnetic air valve 6 and the rear wheel acceleration sensor 11 may be directly fixed on the frame 7, or may be indirectly fixed on the frame 7 through other connecting members.

As a variant of this embodiment, the rear wheel acceleration sensor 11 is integrated inside the suspension controller 2, the suspension controller 2 being arranged on the frame 7 above the rear wheel of the motorcycle 1.

As a modification of this embodiment, the number of the air springs 10 is 1, and the air springs are disposed right in front of the rear wheel of the motorcycle 1, and one end of each air spring 10 is fixedly mounted in the middle of the front section of the rear fork 8, and the other end is fixedly connected to the frame 7.

As a modification of this embodiment, the number of the air springs 10 is 4, and the air springs are symmetrically distributed on both sides of the rear wheel of the motorcycle 1, and both ends of the air springs are respectively fixedly connected with the frame 7 and the rear fork 8.

Claims

1. A two-wheeled motorcycle comprises a frame, a front fork and a rear bottom fork, and is characterized in that: the motorcycle rear wheel shock absorber is characterized by further comprising a suspension controller, an angle sensor, a rear wheel shock absorber, an air pump, an electromagnetic air valve and an air spring, wherein the suspension controller is fixed on the motorcycle frame or the front fork, the suspension controller is electrically connected with a battery of the motorcycle, one end of the angle sensor is installed on the motorcycle frame, the other end of the angle sensor is fixedly connected with the rear bottom fork, the suspension controller is in communication connection with the angle sensor through a data line, the air pump and the electromagnetic air valve are fixed on the motorcycle frame, the suspension controller is electrically connected with the air pump and the electromagnetic air valve, the air spring and the two ends of the rear wheel shock absorber are respectively fixedly connected with the motorcycle frame and the rear bottom fork, and the air spring is connected with the air pump and the electromagnetic air valve through air pipes.

2. A motorcycle according to claim 1 wherein: the number of the rear wheel shock absorbers is 2, and the rear wheel shock absorbers are distributed on two sides of a rear wheel of the two-wheeled motorcycle.

3. A motorcycle according to claim 1 wherein: an air dryer is arranged in front of the air inlet of the air pump, and the air dryer can dry air entering the air pump.

4. A motorcycle according to claim 1 wherein: the rear wheel shock absorber is a rear wheel magneto-rheological damper, a rear wheel acceleration sensor is additionally arranged on the frame above the rear wheel of the two-wheeled motorcycle, the rear wheel magneto-rheological damper is electrically connected with the suspension controller, and the rear wheel acceleration sensor is in communication connection with the suspension controller through a data line.

5. A motorcycle according to claim 4 wherein: the rear wheel acceleration sensor is integrated inside the suspension controller, and the suspension controller is arranged on the frame above the rear wheel of the two-wheeled motorcycle.

6. A motorcycle as claimed in any one of claims 1 to 5, wherein: the number of the air springs is 2, and the air springs are distributed on two sides of a rear wheel of the two-wheeled motorcycle.

7. A motorcycle as claimed in any one of claims 1 to 5, wherein: the number of the air springs is 1, the air springs are arranged right ahead of a rear wheel of the two-wheeled motorcycle, one end of each air spring is fixedly installed in the middle of the front section of the rear bottom fork, and the other end of each air spring is fixedly connected with the frame.

8. A motorcycle as claimed in any one of claims 1 to 5, wherein: the number of the air springs is 4, and the air springs are distributed on two sides of the rear wheel of the two-wheeled motorcycle.