Motorcycle

Abstract

The application discloses a motorcycle, comprising: a frame; a body cover; a driving assembly; a suspension assembly; a walking assembly, which is arranged at least partially on the suspension assembly and can be driven by the driving assembly; a wheel speed detection device, which is used for detecting the speed of the motorcycle. The wheel speed detection device comprises a wheel speed sensor and a gear ring matched with the wheel speed sensor; the gear ring is basically in the shape of a ring, the gear ring is provided with a first waist-shaped hole and a second waist-shaped hole around the gear ring, the first waist-shaped hole and the second waist-shaped hole are basically distributed along the radial direction of the gear ring, the length of the first waist-shaped hole distributed along the radial direction of the gear ring is L1, the length of the second waist-shaped hole distributed along the radial direction of the gear ring is L2, wherein L1 is greater than L2. The application has the beneficial effects that by removing the middle excess part of the gear ring, the mass of the gear ring is reduced, meanwhile, the stress deformation performance on the gear ring is changed, the deformation is concentrated at both ends of the long hole, the anti-deformation ability of the gear ring is improved, and the influence of the deformation of the gear ring on the wheel speed signal is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicles, in particular to a motorcycle. BACKGROUND

[0002] The current production model of the gear ring arrangement mostly adopts the gear ring fixed on the brake disc by bolts, without any contact with other parts, the gear ring rotates with the brake disc, and the wheel speed sensor generates a speed signal, the middle part of the gear ring has no actual effect, and increases the weight of the motorcycle and the production cost. In addition, the gear ring is fixed on the brake disc and is pressed by the thermal expansion and contraction of the brake disc, which will deform under extreme harsh conditions, interfere with the wheel speed sensor, damage the sensor and produce abnormal noise, resulting in loss of wheel speed signal and failure of ABS (Anti-lock Braking System), which has a major safety hazard. SUMMARY

[0003] In order to solve the problems of the prior art, the purpose of the present application is to provide a motorcycle gear ring which can improve the anti-deformation ability.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0005] A motorcycle, comprising: a frame; a body cover arranged at least partially on the frame; a drive assembly arranged at least partially on the frame; a suspension assembly arranged at least partially on the frame; a running assembly arranged at least partially on the suspension assembly and drivable by the drive assembly; a wheel speed detection device for detecting the speed of the motorcycle; the wheel speed detection device comprising a wheel speed sensor and a gear ring cooperating with the wheel speed sensor; the gear ring is substantially annular, the gear ring has a first waist-shaped hole and a second waist-shaped hole distributed therearound, the first waist-shaped hole and the second waist-shaped hole are distributed substantially along the radial direction of the gear ring, the length of the first waist-shaped hole distributed along the radial direction of the gear ring is L1, and the length of the second waist-shaped hole distributed along the radial direction of the gear ring is L2, wherein L1 is greater than L2.

[0006] Further, the length L1 of the first waist-shaped hole distributed along the radial direction of the gear ring is greater than or equal to 18mm and less than or equal to 50mm.

[0007] Further, the length L2 of the second waist-shaped hole distributed along the radial direction of the gear ring is greater than or equal to 10mm and less than or equal to 20mm.

[0008] Further, the ratio of the length L1 of the first waist-shaped hole distributed along the radial direction of the gear ring to the length L2 of the second waist-shaped hole distributed along the radial direction of the gear ring is greater than or equal to 1.5 and less than or equal to 3.

[0009] Further, the gear ring comprises a first extension extending along the radial direction of the gear ring, and the first waist-shaped hole is arranged at least partially on the first extension.

[0010] Further, the gear ring comprises a second extension extending along the radial direction of the gear ring, and the second extension is provided with a connecting hole for connection.

[0011] Further, the traveling assembly comprises a brake disc, and the gear ring is arranged at least partially on the brake disc.

[0012] Further, the gear ring comprises a second extension extending along the radial direction of the gear ring, and the second extension is provided with a connecting hole for connection; the traveling assembly comprises a brake disc, and the gear ring is connected to the brake disc through the connecting hole.

[0013] Further, in a projection plane perpendicular to the axial direction of the gear ring, the gear ring has a first projection area S1 in the projection plane along the axial direction of the gear ring, and the gear ring has a second projection area S2 in the projection plane around the first projection area S1 along the axial direction of the gear ring; the ratio of the first projection area S1 to the second projection area S2 is greater than or equal to 0.25 and less than or equal to 0.5.

[0014] Further, the wheel speed sensor is arranged at least partially on the suspension assembly, and the wheel speed sensor is used in cooperation with the first waist-shaped hole to detect the speed of the motorcycle.

[0015] Compared with the prior art, the motorcycle provided by the present application can remove the non-functional part of the gear ring, reduce the weight of the gear ring, reduce the production cost, and at the same time improve the anti-deformation ability of the gear ring and prevent the deformation of the gear ring from affecting the wheel speed signal. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic diagram of a motorcycle in an embodiment of the present application.

[0017] Figure 2 FIG. 3 is an installation schematic diagram of a gear ring at a first angle in an embodiment of the present application.

[0018] Figure 3 FIG. 4 is an installation schematic diagram of a gear ring at a second angle in an embodiment of the present application.

[0019] Figure 4 FIG. 5 is an installation exploded view of a gear ring in an embodiment of the present application.

[0020] Figure 5 FIG. 6 is a structural schematic diagram of a gear ring in an embodiment of the present application. DETAILED DESCRIPTION

[0021] In order to enable personnel in the art to better understand the present application, the technical solutions in the specific embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application.

[0022] As Figure 1 shown, a motorcycle 100, comprising a frame 11, a body cover 12, a drive assembly 13, a suspension assembly 14, a walking assembly 15 and a wheel speed detection device 16. Among them, the frame 11 is a metal support, used to support the body cover 12, the drive assembly 13 and the suspension assembly 14. The body cover 12 is at least partially arranged on the frame 11, used to protect the motorcycle 100, so as to prevent the soil and garbage from entering the motorcycle 100 to cause damage. The drive assembly 13 is at least partially arranged on the frame 11, and the drive assembly 13 is connected to the walking assembly 15, used to provide power for the motorcycle 100. The suspension assembly 14 is at least partially arranged on the frame 11, and the suspension assembly 14 is connected to the walking assembly 15, so as to control the moving direction of the motorcycle 100 through the suspension assembly 14. The wheel speed detection device 16 is at least partially arranged on the walking assembly 15, used to detect the speed of the motorcycle 100, and transmit the detected motorcycle 100 speed information to the central control system of the motorcycle 100. In order to clearly illustrate the technical solutions of the present application, the front side, the rear side, the left side, the right side, the upper side and the lower side are also defined as shown in the figure.

[0023] As Figure 1 and Figure 2 shown, the drive assembly 13 comprises an engine 131, which provides a power source for the motorcycle 100, and transmits driving force to the walking assembly 15 through a transmission mechanism. As an implementation manner, the suspension assembly 14 comprises a first suspension 141, a second suspension (not shown in the figure) and a shock absorber 143. Specifically, the first suspension 141 is arranged on the front side of the motorcycle 100, and the second suspension is arranged on the rear side of the motorcycle 100. The walking assembly 15 comprises a first walking wheel 151 and a second walking wheel 152, as Figure 3 shown, the walking assembly 15 further comprises a rotation axis 200 extending substantially along the left-right direction. Among them, the first walking wheel 151 is connected to the frame 11 through the first suspension 141, and the second walking wheel 152 is connected to the frame 11 through the second suspension. Specifically, the first walking wheel 151 is a driven wheel, which is connected to the first suspension 141 through a steering system, so as to control the direction of the first walking wheel 151, and further control the driving direction of the motorcycle 100; the second walking wheel 152 is a driving wheel, which is connected to the engine 131 through a transmission mechanism, so as to drive the second walking wheel 152 to rotate through the rotation of the engine 131. In addition, the first suspension 141 comprises a first joint 1411, one end of the first joint 1411 is connected to the shock absorber 143, and the other end of the first joint 1411 is fixed on the first walking wheel 151. Specifically, the shock absorber 143 is used to alleviate and attenuate the impact and vibration of the motorcycle 100 in the driving process due to the uneven road, so as to ensure the smoothness and comfort of the motorcycle 100 in the driving process, and is conducive to improving the service life and the stability of the motorcycle 100.

[0024] As shown in Figure 1 and Figure 2 shown, the walking assembly 15 further comprises a brake disc 153. As shown in Figure 3 , the center of the brake disc 153 is arranged on the rotation axis 200 extending in the left-right direction of the walking assembly 15, wherein the brake disc 153 comprises a first brake disc 1531 connected to the first walking wheel 151 and a second brake disc (not shown in the figure) connected to the second walking wheel 152. The first brake disc 1531 can be arranged on the left side or the right side of the first walking wheel 151, and the second brake disc can be arranged on the left side or the right side of the second walking wheel 152. It can be understood that the first brake disc 1531 and the second brake disc can be arranged on the same side of the motorcycle 100 in the left-right direction, and the first brake disc 1531 and the second brake disc can also be arranged on the opposite side of the motorcycle 100 in the left-right direction, so that the brake disc 153 rotates synchronously with the walking assembly 15, and achieves the effect of reasonably arranging the space of the brake disc 153. The brake caliper body 154 is at least partially arranged on the brake disc 153, so that the motorcycle 100 is decelerated in the driving process through the friction between the brake caliper body 154 and the brake disc 153, thereby achieving the purpose of braking.

[0025] As shown in Figure 4 , as an implementation manner, the wheel speed detection device 16 comprises a wheel speed sensor 161 and a gear ring 162. Specifically, the first joint 1411 is formed with a containing hole 1411a for fixing the wheel speed sensor 161, the wheel speed sensor 161 is arranged in the containing hole 1411a and fixed by bolts, the wheel speed sensor 161 can also be arranged at the connecting part of the brake caliper body 154 and the second suspension, and the wheel speed sensor 161 and the gear ring 162 are arranged on the same side of the motorcycle 100 in the left-right direction, and the speed of the motorcycle 100 is detected by cooperation of the wheel speed sensor 161 and the gear ring 162. Further, the wheel speed sensor 161 comprises a head 1611, a tail 1612 and a sensor connecting line 1613. The head 1611 is provided with a sensor, and the head 1611 is arranged on the working plane of the gear ring 162 for detecting the rotation speed of the gear ring 162, and the tail 1612 is provided with a control unit of the sensor, and the tail 1612 is connected to the central control system through the sensor connecting line 1613, so as to detect the rotation of the gear ring 162 through the wheel speed sensor 161, and calculate the speed of the motorcycle 100.

[0026] As one implementation, the gear ring 162 is mounted on the brake disc 153, with its center essentially located on the rotation axis 200 extending laterally from the travel assembly 15. Specifically, the gear ring 162 can be bolted to the brake disc 153, or it can be riveted to the brake disc 153, forming an inseparable unit. Furthermore, the gear ring 162 is primarily made of steel, thus providing resistance to high temperatures and deformation under the influence of thermal expansion and contraction of the brake disc 153, effectively extending its service life.

[0027] like Figure 5 As shown, the gear ring 162 includes a plurality of first extensions 1621 and a plurality of second extensions 1622 extending radially therefrom. The first extensions 1621 form first oblong holes 1624 for detecting the speed of the motorcycle 100, and the second extensions 1622 form connecting holes 1623 for connection. Specifically, the first oblong holes 1624 are disposed between the connecting holes 1623, and the number of holes in the first oblong holes 1624 between two adjacent connecting holes 1623 is substantially the same as the number of holes in the first oblong holes 1624 between other adjacent connecting holes 1623. This ensures that the stress on the gear ring 162 under the influence of thermal expansion and contraction of the brake disc is evenly distributed on the first oblong holes 1624.

[0028] The first extension 1621 can extend outward along the radial direction of the gear ring 162, and the first extension 1621 can also extend inward along the radial direction of the gear ring 162. When the first extension extends outward and is located on the outer side of the gear ring 162, the connecting hole 1623 of the gear ring 162 coincides with the mounting hole of the brake disc 153, and the gear ring 162 and the brake disc 153 are fixed to the rim teeth by bolts, thereby realizing that the gear ring 162 rotates synchronously with the brake disc 153. When the first extension 1621 is located on the inner side of the gear ring 162, the gear ring 162 is connected to the rim by bolts, thereby realizing that the gear ring 162 rotates synchronously with the rim.

[0029] As an implementation, the ring gear 162 is formed with a plurality of first waist-shaped holes 1624 and a plurality of second waist-shaped holes 1625. The first waist-shaped holes 1624 are distributed along the radial direction of the ring gear 162 with a length L1, and the second waist-shaped holes 1625 are distributed along the radial direction of the ring gear 162 with a length L2, where L1 is greater than L2. As an implementation, the length L1 of the first waist-shaped holes 1624 distributed along the radial direction of the ring gear 162 is greater than or equal to 18 mm and less than or equal to 50 mm, and the length L2 of the second waist-shaped holes 1625 distributed along the radial direction of the ring gear 162 is greater than or equal to 10 mm and less than or equal to 20 mm. Further, L1 is greater than or equal to 19 mm and less than or equal to 45 mm, and L2 is greater than or equal to 11 mm and less than or equal to 18 mm. In the present embodiment, L1 is greater than or equal to 21 mm and less than or equal to 40 mm, and L2 is greater than or equal to 12 mm and less than or equal to 16 mm. Due to the thermal expansion and contraction of the brake disc 153, the ring gear 162 will be stretched and pressed. Through the above arrangement, the stress on the ring gear 162 is concentrated at both ends of the first waist-shaped holes 1624 in the radial direction during the stretching and pressing of the ring gear 162, so that the stress is absorbed by the first waist-shaped holes 1624 and the first waist-shaped holes 1624 are deformed, thereby reducing the degree of axial deformation of the ring gear 162 in the working plane of the wheel speed sensor 161, improving the anti-deformation ability of the ring gear 162, and reducing the influence of deformation on the working plane of the wheel speed sensor 161.

[0030] As an implementation, the ratio of L1 to L2 is greater than or equal to 1.5 and less than or equal to 3. Further, the ratio of L1 to L2 is greater than or equal to 1.6 and less than or equal to 2.7. In the present embodiment, the ratio of L1 to L2 is greater than or equal to 1.8 and less than or equal to 2.4. Through the above arrangement, the stress on the ring gear 162 is concentrated at both ends of the first waist-shaped holes 1624 in the radial direction during the stretching and pressing of the ring gear 162, so that the stress is absorbed by the first waist-shaped holes 1624 and the first waist-shaped holes 1624 are deformed, thereby reducing the degree of axial deformation of the ring gear 162 in the working plane of the wheel speed sensor 161, reducing the influence of deformation on the working plane of the wheel speed sensor 161, and improving the anti-deformation ability of the ring gear 162.

[0031] As an implementation, the ring gear 162 is provided with a plurality of first waist-shaped holes 1624 and a plurality of second waist-shaped holes 1625, and the wheel speed sensor 161 cooperates with the first waist-shaped holes 1624 and / or the second waist-shaped holes 1625 to detect the speed of the motorcycle 100, thereby reducing the weight of the ring gear 162, reducing the production cost of the ring gear 162, and improving the anti-deformation ability of the ring gear 162.

[0032] Specifically, the first waist hole 1624 has a hole number of N1, and the hole number of the first waist hole 1624 is substantially equal to the hole number of the connecting hole 1623. The second waist hole 1625 has a hole number of N2. As an implementation manner, the hole number N2 of the second waist hole 1625 is greater than or equal to 30 and less than or equal to 60. Further, N2 is greater than or equal to 33 and less than or equal to 54. In the embodiment, N2 is greater than or equal to 36 and less than or equal to 48. Through the above setting of the hole number of the second waist hole 1625, the production cost of the gear ring 162 is reduced, and at the same time, the gear ring 162 maintains a relatively high deformation resistance.

[0033] The first waist hole 1624 is used to absorb the stress generated in the working process of the gear ring 162, so that the two ends of the first waist hole 1624 in the radial direction are deformed, thereby avoiding the deformation of the whole gear ring 162 from being aggravated. Since the two ends of the first waist hole 1624 in the radial direction are not the working plane of the wheel speed sensor 161, the two ends of the first waist hole 1624 are arranged in a region outside the signal range that can be received by the wheel speed sensor 161. Therefore, when the two ends of the first waist hole 1624 in the radial direction are deformed, it does not cause an impact in the working process of the gear ring 162 detected by the wheel speed sensor 161. At the same time, the first waist hole 1624 is arranged between the adjacent connecting holes 1623, so the deformation of the first waist hole 1624 will not interfere with the brake disc 153, thereby ensuring that the ABS (Anti-lock Braking System) can also meet the functional requirements in extreme cases.

[0034] As an implementation, the first waist hole 1624 extends in the radial direction, and there is a first waist hole 1624 thickness D1 from the end of the first waist hole 1624 away from the center of the gear ring 162 to the periphery of the gear ring 162. The second waist hole 1625 extends in the radial direction, and there is a gear ring 162 thickness D2 from the end of the second waist hole 1625 away from the center of the gear ring 162 to the periphery of the gear ring 162. As an implementation, the first waist hole 1624 thickness D1 is greater than or equal to 2.5mm and less than or equal to 5mm, and the gear ring 162 thickness D2 is greater than or equal to 2.5mm and less than or equal to 10mm. Further, D1 is greater than or equal to 2.7mm and less than or equal to 4.5mm, and D2 is greater than or equal to 2.7mm and less than or equal to 9mm. In the present embodiment, D1 is greater than or equal to 3mm and less than or equal to 4mm, and D2 is greater than or equal to 3mm and less than or equal to 8mm. By setting the first waist hole 1624 thickness and the gear ring 162 thickness as described above, the anti-deformation ability of the first waist hole 1624 is increased, the deformation degree of the first waist hole 1624 is reduced when the first waist hole 1624 absorbs stress, and the strength of the gear ring 162 itself is increased, thereby reducing the axial deformation degree of the gear ring 162 in the working plane of the wheel speed sensor 161, and reducing the influence of deformation on the working plane of the wheel speed sensor 161.

[0035] As an implementation, the first waist hole 1624 and the second waist hole 1625 are uniformly distributed around the gear ring. Since the wheel speed sensor 161 has an identification range, in order to avoid insufficient or excessive duty cycle of the gear ring 162, which affects the wheel speed sensor 161 in detecting the speed of the motorcycle 100, by setting the width of the first waist hole 1624 perpendicular to the radial direction and the width of the second waist hole 1625 perpendicular to the radial direction, the wheel speed sensor 161 cooperates with the first waist hole 1624 and / or the second waist hole 1625 to detect the speed of the motorcycle 100.

[0036] In one implementation, the first oblong hole 1624 and the second oblong hole 1625 each have their own geometric centers. Connecting the geometric centers of the first oblong hole 1624 and the second oblong hole 1625 forms a closed circle with a circumference of C1. The sum of the widths of the first oblong hole 1624 and the second oblong hole 1625 along their radial directions perpendicular to themselves is C2. In one embodiment, the ratio of the sum of the widths of the first oblong hole 1624 and the second oblong hole 1625 along their radial directions perpendicular to themselves, C2, to the circumference of the circle, C1, is greater than or equal to 0.4 and less than or equal to 0.6. Further, the ratio of C2 to C1 is greater than or equal to 0.44 and less than or equal to 0.54. In this embodiment, the ratio of C2 to C1 is greater than or equal to 0.48 and less than or equal to 0.5. By setting the duty cycle of the first waist-shaped hole 1624 and the second waist-shaped hole 1625 relative to the gear ring 162, the weight of the gear ring 162 is reduced, the duty cycle of the gear ring 162 is increased, thereby improving the deformation resistance of the gear ring 162 and enhancing its own strength.

[0037] As one implementation method, the non-functional part of the gear ring 162 is removed to form a basically annular gear ring 162. Through the above arrangement, the weight of the non-functional part of the gear ring 162 can be reduced, and the effective space occupied by the gear ring 162 during assembly can be reduced.

[0038] Specifically, such as Figure 3 As shown, within an axial projection plane perpendicular to the gear ring 162, the gear ring 162 has a first projected area S1 along its own axial direction within the projection plane 300, and a second projected area S2 is formed around it along its own axial direction within the projection plane 300. In one implementation, the ratio of the first projected area S1 to the second projected area S2 is greater than or equal to 0.25 and less than or equal to 0.5. Specifically, the ratio of S1 to S2 is greater than or equal to 0.27 and less than or equal to 0.45. In this embodiment, the ratio of S1 to S2 is greater than or equal to 0.3 and less than or equal to 0.4. Through the above arrangement, the non-functional parts of the gear ring 162 can be reduced, the weight of the gear ring 162 can be reduced, and the production cost can be lowered.

[0039] It can be understood that when the gear ring 162 removes the part without actual function, the anti-deformation ability of the gear ring 162 itself is reduced. By arranging the first waist hole 1624 on the gear ring 162, the stress on the gear ring 162 is concentrated to the two ends of the first waist hole 1624 in the radial direction, so that the deformation occurs at the two ends of the first waist hole 1624 in the radial direction, thereby avoiding the deformation of the gear ring 162 itself, which affects the detection of the speed of the motorcycle 100 by the wheel speed detection device 16. In addition, since the gear ring 162 removes the part without actual function, and the first waist hole 1624 and the second waist hole 1625 are arranged, the weight reduction effect of the gear ring 162 can also be achieved.

[0040] It should be understood that for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.

Claims

1. A motorcycle, comprising: Frame; Body panels, at least partially mounted on the vehicle frame; A drive assembly, at least partially disposed on the vehicle frame; Suspension components, at least partially mounted on the vehicle frame; The walking component is at least partially disposed on the suspension component and can be driven by the drive component; Wheel speed detection device, used to detect the speed of the motorcycle; Its features are, The wheel speed detection device includes a wheel speed sensor and a toothed ring that cooperates with the wheel speed sensor; the toothed ring is basically circular, and a first waist-shaped hole and a second waist-shaped hole are distributed around the toothed ring. The first waist-shaped hole and the second waist-shaped hole are basically distributed along the radial direction of the toothed ring. The length of the first waist-shaped hole distributed along the radial direction of the toothed ring is L1, and the length of the second waist-shaped hole distributed along the radial direction of the toothed ring is L2, wherein L1 is greater than L2; The gear ring includes a first extension extending radially therefrom, and the first waist-shaped hole is at least partially disposed on the first extension. The first extension is located outside the working plane of the gear ring, and the working plane refers to the area detected by the wheel speed sensor.

2. The motorcycle according to claim 1, characterized in that, The length L1 of the first waist-shaped hole distributed radially along the gear ring is greater than or equal to 18 mm and less than or equal to 50 mm.

3. The motorcycle according to claim 1, characterized in that, The length L2 of the second waist-shaped hole distributed radially along the gear ring is greater than or equal to 10 mm and less than or equal to 20 mm.

4. The motorcycle according to claim 1, characterized in that, The ratio of the length L1 of the first waist-shaped hole distributed radially along the gear ring to the length L2 of the second waist-shaped hole distributed radially along the gear ring is greater than or equal to 1.5 and less than or equal to 3.

5. The motorcycle according to claim 1, characterized in that, The gear ring includes a second extension that extends radially from itself, and the second extension is provided with a connection hole for connection.

6. The motorcycle according to claim 1, characterized in that, The traveling assembly includes a brake disc, and the gear ring is at least partially disposed on the brake disc.

7. The motorcycle according to claim 1, characterized in that, The gear ring includes a second extension extending radially therefrom, and the second extension is provided with a connection hole for connection; the travel assembly includes a brake disc, and the gear ring is connected to the brake disc through the connection hole.

8. The motorcycle according to claim 1, characterized in that, In a projection plane perpendicular to the axial direction of the gear ring, the gear ring has a first projection area S1 along its own axial direction in the projection plane, and the gear ring has a second projection area S2 formed around it along its own axial direction in the projection plane. The ratio of the first projection area S1 to the second projection area S2 is greater than or equal to 0.25 and less than or equal to 0.

5.

9. The motorcycle according to claim 1, characterized in that, The wheel speed sensor is at least partially mounted on the suspension assembly and is used to engage with the first waist-shaped bore to detect the speed of the motorcycle.

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