CN214189165U

CN214189165U - Rim of motorcycle

Info

Publication number: CN214189165U
Application number: CN202023250952.9U
Authority: CN
Inventors: 李展志; 肖新兵; 龙清; 张求福
Original assignee: Dingmg New Material Technology Co ltd
Current assignee: Dingmg New Material Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-14
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of the motorcycle, a wheel rim of motorcycle is disclosed. The rim is provided with a first circumferential array of first mounting holes and a second circumferential array of second mounting holes, the first and second circumferential arrays being located on one side of the rim axial centerline midpoint, the first and second mounting holes each being configured to mount a spoke to enable a rocker arm on the motorcycle to extend into the rim from the other side of the rim axial centerline midpoint. The first circumferential array of the first mounting holes and the second circumferential array of the second mounting holes are arranged on the rim, so that the spokes assembled on the mounting holes can decompose external impact force borne by the rim, the stress of the rim is uniform, and the safety of the motorcycle is improved.

Description

Rim of motorcycle

Technical Field

The utility model relates to a motorcycle technical field especially relates to a wheel rim of motorcycle.

Background

The existing two-wheeled motorcycles on the market mostly adopt the previous double-front damping design, and the design is always turned to easily shake from the beginning of birth, and the problems of easy overturn in emergency braking and the like are involved.

Because the two-wheeled motorcycle of single swing arm system has less unbalance loading inertia moment to when most rotating mass all is in same rotation plane, can effectively reduce and rock, and improve and drive factor of safety.

However, the rim on which the single rocker arm is mounted is provided on a side that is offset from the center of the hub to provide a mounting space for the disc rotor, and therefore, the rim has a high requirement for supporting strength.

The traditional rims are usually cast and are not uniformly distributed on the rims, so that the distance between contact points between two adjacent rims is large, the stress of the tire is not uniform, and the potential safety hazard is caused.

Therefore, there is a need to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wheel rim of motorcycle to solve the rim and do not have evenly distributed on the wheel rim, make the contact point distance between two adjacent rims great, thereby make the wheel rim atress inhomogeneous, and then the problem of potential safety hazard appears.

To achieve the purpose, the utility model adopts the following technical proposal:

a rim for a motorcycle, the rim having disposed thereon a first circumferential array of first mounting apertures and a second circumferential array of second mounting apertures, the first and second circumferential arrays being located to one side of a centre point of an axial centre line of the rim, the first and second mounting apertures each being configured to mount a spoke to enable a rocker arm on the motorcycle to extend into the rim from the other side of the centre point of the axial centre line of the rim.

Preferably, the rim is provided with a first reinforcing portion and a second reinforcing portion, the first mounting hole is formed in the first reinforcing portion, the second mounting hole is formed in the second reinforcing portion, the first reinforcing portion extends along a direction in which the tread of the rim deviates from the axial lead of the rim, and the second reinforcing portion extends along a direction in which the tread faces the axial lead of the rim.

Preferably, the rim is provided with the first circumferential array of first hole groups and the second circumferential array of second hole groups, the first hole group includes two of the first mounting holes, the second hole group includes two of the second mounting holes, and both of the first mounting holes are provided between the two of the second mounting holes.

Preferably, the number of the arrays of the first hole groups is the same as the number of the arrays of the second hole groups, and the included angle between two adjacent groups of the first hole groups is equal to the included angle between two adjacent groups of the second hole groups.

Preferably, the number of said first group of holes ranges from 8 to 10.

Preferably, the two first mounting holes and the two second mounting holes are symmetrical along a radial section of the same rim.

Preferably, a distance between two first mounting holes of the first hole group is a first distance, a distance between two adjacent second mounting holes of two adjacent second hole groups is a second distance, and the first distance is equal to the second distance.

Preferably, the rim is further provided with a nozzle hole, and both ends of the nozzle hole are countersunk holes.

Preferably, the air nozzle hole is provided between the two first mounting holes to which the two intersecting spokes are mounted.

Preferably, the rim is formed by forging.

The utility model has the advantages that:

the first circumferential array of the first mounting holes and the second circumferential array of the second mounting holes are arranged on the rim, so that the spokes assembled on the mounting holes can decompose external impact force borne by the rim, the stress of the rim is uniform, and the safety of the motorcycle is improved.

Drawings

Fig. 1 is a schematic structural view of a rim of a motorcycle according to an embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;

fig. 4 is an enlarged view at R in fig. 3.

In the figure:

1. a first group of holes; 11. a first mounting hole I; 12. a second first mounting hole;

2. a second group of holes; 21. a first second mounting hole; 22. a second mounting hole II;

31. a first reinforcing portion; 32. a second reinforcement portion;

4. an air nozzle hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a rim of motorcycle to solve the rim and do not have evenly distributed on the rim, make the contact point distance between two adjacent rims great, thereby make the rim atress inhomogeneous, and then the problem of potential safety hazard appears.

The rim of the motorcycle is provided with a plurality of first mounting holes which are uniformly distributed at intervals on the circumference of the rim so as to form a first circumferential array on the rim. The rim of the motorcycle is also provided with a plurality of second mounting holes which are uniformly distributed on the circumference of the rim so as to form a second circumferential array on the rim, the first circumferential array and the second circumferential array are positioned on one side of the midpoint of the axial lead of the rim, and the first mounting holes and the second mounting holes are both configured to mount spokes so that the spokes assembled on the mounting holes can decompose the external impact force borne by the rim, thereby ensuring that the stress of the rim is uniform, improving the safety of the motorcycle and enabling the rocker arm on the motorcycle to extend into the rim from the other side of the midpoint of the axial lead of the rim.

Further, in order to increase the strength of the spokes connected to the rim and to enable the spokes to better distribute external force applied to the rim in the axial direction of the rim, as shown in fig. 2 to 4, the rim is provided with a first reinforcing portion 31 and a second reinforcing portion 32, the first mounting holes are formed in the first reinforcing portion 31, and the second mounting holes are formed in the second reinforcing portion 32, so as to increase the strength of the spokes mounted to the rim. The first reinforcement 31 extends along the direction that the tread of rim deviates from the rim axial lead, and the second reinforcement 32 extends along the direction that the tread faces the rim axial lead to the contained angle between the axis of the first mounting hole and the axis of the second mounting hole is increased, thereby the contained angle that forms between the spoke that connects in the first mounting hole and the spoke that connects in the second mounting hole is increased, make the dispersion rim that the spoke can be better receive along the ascending external force of rim axial lead.

Further, in order to optimize the structure of the rim and the spoke, as shown in fig. 1, a first circumferential array of first hole groups 1 and a second circumferential array of second hole groups 2 are provided on the rim, the first hole groups 1 include first mounting holes 11 and first mounting holes 12, the second hole groups 2 include second mounting holes 21 and second mounting holes 22, and the first mounting holes 11 and the second mounting holes 12 are both provided between the second mounting holes 21 and the second mounting holes 22, so that the structure of the rim and the spoke is optimized.

Further, in order to facilitate the installation of the spokes, the number of the arrays of the first hole groups 1 is the same as that of the arrays of the second hole groups 2, and the included angles of the two adjacent first hole groups 1 are equal to that of the two adjacent second hole groups 2, so that the spokes can be conveniently installed on the first hole groups 1 and the second hole groups 2.

Further, in order to make the spokes evenly disperse the external force applied to the rim, the number of the first hole group 1 and the second hole group 2 is preferably in the range of 8-10.

Further, in order to enable the spokes to uniformly convert force applied to the rim in the axial direction of the rim when the rim rotates, the middle points of the first mounting holes 11 and the second mounting holes 12 and the middle points of the second mounting holes 21 and the second mounting holes 22 are on the same radial section of the rim, so that the two first mounting holes and the two second mounting holes are symmetrical in the same radial section of the rim, and the spokes can uniformly convert force applied to the rim in the axial extension direction of the rim when the rim rotates.

Further, in order to enable the spokes to more uniformly convert the external force applied to the rim, the distance between the first mounting hole I11 and the first mounting hole II 12 is a first distance, the distance between the second mounting hole II 22 of one second hole group 2 and the second mounting hole I21 of another adjacent second hole group 2 between two adjacent second hole groups 2 is a second distance, and the first distance is equal to the second distance, so that the spokes are more uniformly arranged on the rim, and the external force applied to the rim is more uniformly converted by the spokes.

And the rim is also provided with a nozzle hole 4, and in order to increase the sealing performance of the nozzle hole 4, both ends of the nozzle hole 4 are countersunk holes.

In order to further improve the sealing of the nozzle hole 4, the nozzle hole 4 is disposed between two first mounting holes to which two intersecting spokes are mounted.

Further, as compared with the traditional production process of welding the rim, the production process of forging and spinning has the advantages that the rim can have a high-density metallographic structure and good mechanical properties, and the rim of the motorcycle is formed by forging and pressing.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rim for a motorcycle, wherein the rim is provided with a first circumferential array of first mounting holes and a second circumferential array of second mounting holes, the first and second circumferential arrays being located on one side of the centre point of the rim axis, the first and second mounting holes each being configured to mount a spoke to enable a rocker arm on the motorcycle to extend into the rim from the other side of the centre point of the rim axis.

2. A rim for a motorcycle according to claim 1, wherein the rim is provided with a first reinforcing portion (31) and a second reinforcing portion (32), the first mounting hole being provided in the first reinforcing portion (31), the second mounting hole being provided in the second reinforcing portion (32), the first reinforcing portion (31) extending in a direction in which a tread of the rim faces away from an axial center line of the rim, the second reinforcing portion (32) extending in a direction in which the tread faces toward the axial center line of the rim.

3. A rim for a motorcycle according to claim 1, characterised in that said first circumferential array of first groups of holes (1) and said second circumferential array of second groups of holes (2) are provided on said rim, said first groups of holes (1) comprising two of said first mounting holes, said second groups of holes (2) comprising two of said second mounting holes, and both of said first mounting holes being provided between two of said second mounting holes.

4. A rim for a motorcycle according to claim 3 wherein the number of arrays of said first hole groups (1) is the same as the number of arrays of said second hole groups (2) and the angle between two adjacent groups of said first hole groups (1) is the same as the angle between two adjacent groups of said second hole groups (2).

5. A rim for a motorcycle according to claim 4, characterised in that the number of said first set of holes (1) ranges from 8 to 10.

6. A rim for a motorcycle according to claim 4, wherein both of the first mounting holes and both of the second mounting holes are symmetrical in cross section in the radial direction of the same rim.

7. A rim for a motorcycle according to claim 6, wherein the first mounting holes of the first hole groups (1) are spaced apart by a first distance and the second mounting holes of two adjacent second hole groups (2) are spaced apart by a second distance, the first distance being equal to the second distance.

8. A rim for a motorcycle according to claim 1, wherein the rim is further provided with a nozzle hole (4), and both ends of the nozzle hole (4) are countersunk.

9. A rim for a motorcycle according to claim 8, wherein said air nozzle hole (4) is provided between two of said first mounting holes to which two of said spokes are mounted, which intersect.

10. A rim for a motorcycle as claimed in claim 1, wherein the rim is formed by forging.