CN210454332U

CN210454332U - Wheel structure

Info

Publication number: CN210454332U
Application number: CN201920461328.1U
Authority: CN
Inventors: 贺桂春
Original assignee: Guangdong Wanfeng Motorcycle Wheel Co ltd
Current assignee: Guangdong Wanfeng Motorcycle Wheel Co ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-05-05
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a wheel structure relates to wheel technical field, and it includes rim, wheel hub and connects rim and wheel hub's spoke, and wherein, wheel hub's center is equipped with the through-hole, is equipped with the axle sleeve in the through-hole, and the axle sleeve cover is equipped with a plurality of rubber ring, and rim circumference surface is equipped with the recess that extends to the spoke. The utility model discloses a be equipped with straight through-hole at wheel hub's center, the both ends of through-hole are equipped with the support that is the same as the installation bearing, are equipped with the axle sleeve in the through-hole, have cup jointed a plurality of rubber ring on the axle sleeve, and the external diameter of rubber ring and the aperture phase-match of through-hole have set up the precision that has promoted the concentricity of axle sleeve and bearing like this. The aperture of the through hole can be enlarged, a rubber ring with the outer diameter matched with the aperture of the through hole is selected, and the shaft sleeve is matched in the through hole, so that the using amount of aluminum materials is reduced, and the weight is reduced; the grooves extending to the spokes are formed in the circumferential surface of the rim, and the grooves can reduce the tissue defects caused by poor feeding of the parts, meet the basic performance requirements of the rim and reduce the weight of the wheel.

Description

Wheel structure

Technical Field

The utility model relates to a wheel technical field, especially a wheel structure.

Background

The wheel is an essential part of the motorcycle, in order to reliably install the wheel on the motorcycle body, the rotating shaft penetrates through the hub, and bearings and end covers are installed at two ends of the rotating shaft to connect the wheel with the motorcycle body. The inclined phenomenon can appear in the axle sleeve when the installation is passed at the pivot to current wheel structure, and installation pivot under this condition, pivot can produce extrusion, friction with the axle sleeve, and the phenomenon that the card is pause can appear in wheel rotation and the vehicle driving process, and influences the vehicle and travel safety.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a wheel structure, its precision that can improve the concentricity of axle sleeve and bearing avoids the emergence of card pause or pause phenomenon.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a wheel structure, includes rim, wheel hub and connects rim and wheel hub's spoke, wherein, wheel hub's center is provided with straight through-hole, the both ends of through-hole are provided with the support that is used for installing the bearing, be provided with the axle sleeve in the through-hole, the axle sleeve cover is equipped with a plurality of rubber ring, the external diameter of rubber ring with the aperture phase-match of through-hole, rim circumference surface is provided with the recess that extends to the spoke, the spoke includes long banding body, connecting body and wheel hub's first connecting portion and the second connecting portion of connecting body and rim.

The embodiment of the utility model provides a through be provided with straight through-hole at wheel hub's center, the both ends of through-hole are provided with the support that is used for installing the bearing, be provided with the axle sleeve in the through-hole, a plurality of rubber rings have been cup jointed on the axle sleeve, the external diameter of rubber ring and the aperture phase-match of through-hole, the precision of the concentricity of axle sleeve with the bearing has been promoted in the setting like this, make the concentricity of axle sleeve and bearing in the pivot installation in-process in the error that allows, avoid producing the extrusion because of pivot and axle sleeve, the friction, lead to the phenomenon that the card pause. The shaft sleeve is matched with the through hole through the rubber ring, the aperture of the through hole can be enlarged, the rubber ring with the outer diameter matched with the aperture of the through hole is selected, the shaft sleeve is matched in the through hole, the using amount of aluminum materials is reduced, and weight reduction is carried out; the grooves extending to the spokes are formed in the circumferential surface of the rim, and the grooves can reduce the tissue defects caused by poor feeding of the parts, meet the basic performance requirements of the rim, meet the customer requirements and reduce the weight of the wheel.

As an improvement of the technical scheme, an annular second groove is formed in the shaft sleeve and is matched with the rubber ring. The second recess supplies the rubber ring joint in order to avoid the rubber ring to slide on the axle sleeve, and then influences the concentricity of axle sleeve and bearing.

As a further improvement of the technical scheme, the number of the rubber rings is two, and the two rubber rings are symmetrically arranged at two ends of the shaft sleeve. Two rubber rings are sleeved on the shaft sleeve, and the two rubber rings are symmetrically arranged at two ends of the shaft sleeve, so that the accuracy of the concentricity of the shaft sleeve and the bearing is improved, the concentricity of the shaft sleeve and the bearing in the installation process of the rotating shaft is allowed in an error, and the phenomenon that the wheel is blocked in the rotating process due to extrusion and friction of the rotating shaft and the shaft sleeve is avoided.

Further, the body is provided with a weight-reducing through hole along the length direction. Through set up the heavy through-hole that subtracts on the body, can further lighten the weight of wheel, practice thrift the manufacturing cost of wheel, reduce the oil consumption of motorcycle in the process of traveling.

Further, the circumference equipartition of bearing portion is provided with two at least threaded connection portion, threaded connection portion sets up the one end of wheel hub. The brake disc can be installed on the end face of the hub through the threaded connection part to perform brake.

Further, be provided with the screw post on the spoke, the screw post with the threaded connection portion one-to-one sets up, and sets up on same straight line. Through being provided with threaded connection portion and screw post, can install bigger brake disc on the wheel, further improve brake stability and brake performance.

Further, the one end that the spoke was kept away from to the second turnbuckle is provided with the screw hole, turnbuckle and spoke junction are provided with fretwork portion. The hollow part is arranged on the screw post, so that on one hand, the weight of the wheel can be further reduced, the production cost of the wheel is saved, and the oil consumption of the motorcycle in the driving process is reduced; on the other hand, the hollow part can reduce the structural defects caused by the poor feeding of the part and meet the requirement of casting performance.

Further, the cross section of the spoke is bent. The spokes are arranged in such a way that the spokes can bear force from all directions so as to ensure the stability of the connection between the rim and the hub.

Further, an arc-shaped reinforcing rib is arranged on the second connecting part. The arc-shaped reinforcing ribs can effectively avoid the situation that the acting force between the rim and the spoke is too concentrated to cause the spoke or the rim to be easily broken.

Further, the width of the body is gradually reduced from the second connecting portion toward the first connecting portion. When the wheel is stressed, the stress of the joint of the spoke and the rim is large, the width of the second connecting part of the joint of the spoke and the rim is large, the strength of the second connecting part can be enhanced, the phenomenon that the second connecting part is easy to break when the wheel is stressed is prevented, the width of the body is gradually reduced towards the first connecting part by the second connecting part instead of being reduced in a step shape, and the situation that the spoke is easy to break due to large local stress when the spoke is stressed is prevented.

The utility model has the advantages that: the embodiment of the utility model provides a through be provided with straight through-hole at wheel hub's center, the both ends of through-hole are provided with the support that is used for installing the bearing, be provided with the axle sleeve in the through-hole, a plurality of rubber ring has been cup jointed on the axle sleeve, the external diameter of rubber ring and the aperture phase-match of through-hole, the precision of the concentricity of axle sleeve with the bearing has been promoted in the setting like this, make in the error of permission of the concentricity of axle sleeve and bearing in the pivot installation, avoid producing the extrusion because of pivot and axle sleeve, the friction, lead to the phenomenon that the card pause appears in the wheel. The shaft sleeve is matched with the through hole through the rubber ring, the aperture of the through hole can be enlarged, the rubber ring with the outer diameter matched with the aperture of the through hole is selected, the shaft sleeve is matched in the through hole, the using amount of aluminum materials is reduced, and weight reduction is carried out; the grooves extending to the spokes are formed in the circumferential surface of the rim, and the grooves can reduce the tissue defects caused by poor feeding of the parts, meet the basic performance requirements of the rim, meet the customer requirements and reduce the weight of the wheel.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic cross-sectional view of a wheel hub according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a left side view of the structure of fig. 2.

Detailed Description

Referring to fig. 1-3, an embodiment of the present invention provides a wheel structure, including rim 100, wheel hub 300 and spoke 200 connecting rim 100 and wheel hub 300, wherein, wheel hub 300's center is provided with straight through-hole 310, through-hole 310's both ends are provided with support 311 for installing bearing 700, be provided with axle sleeve 400 in through-hole 310, axle sleeve 400 cover is equipped with a plurality of rubber ring 500, the external diameter of rubber ring 500 matches with the aperture of through-hole 310, rim 100 circumference surface is provided with recess 130 that extends to spoke 200, spoke 200 includes rectangular form body 210, connect body 210 and wheel hub 300's first connecting portion 220 and connect body 210 and rim 100's second connecting portion 230. Compared with the prior art, the embodiment of the utility model provides a be provided with straight through-hole 310 through the center at wheel hub 300, the both ends of through-hole 310 are provided with the support 311 that is used for installing bearing 700, be provided with axle sleeve 400 in the through-hole 310, a plurality of rubber ring 500 has been cup jointed on axle sleeve 400, the external diameter of rubber ring 500 and the aperture phase-match of through-hole 130, the precision of axle sleeve 400 with bearing 700's concentricity has been promoted in the setting like this, make axle sleeve 400 and bearing 700 concentricity in the pivot installation in-process in the error of allowwing, avoid producing the extrusion because of pivot and axle sleeve 400, rub, lead to the phenomenon that the card pause to appear in the wheel rotation process. The shaft sleeve 400 is matched with the through hole 310 through the rubber ring 500, the aperture of the through hole 310 can be enlarged, the rubber ring 500 with the outer diameter matched with the aperture of the through hole 310 is selected, the shaft sleeve 400 is tightly matched in the through hole 310, the using amount of aluminum materials is reduced, and weight is reduced; the groove 130 extending to the spoke 200 is formed in the circumferential surface of the rim 100, and the groove 130 can reduce the tissue defects caused by the poor feeding of the part, meet the basic performance requirements of the rim 100, meet the customer requirements and reduce the weight of the wheel. Specifically, a through hole 310 is formed in the center of the hub 300, the hole diameters of both ends of the through hole 310 are enlarged to form a support portion 311 for mounting the bearing 700, the portion surrounding the through hole 310 is hollowed out, and the hub 300 is a shell structure with the through hole 310 in the center; the two ends of the shaft sleeve 400 are sleeved with the rubber rings 500, the outer surfaces of the rubber rings 500 are abutted to the hole walls of the through holes 310, the two rubber rings 500 are symmetrically arranged at the two ends of the shaft sleeve 400, the shaft sleeve 400 is stably matched in the through holes 310 and is concentrically matched with the through holes 310, the concentricity of the bearing 700 and the shaft sleeve 400 is consistent in the rotating shaft installation process, and more than two rubber rings 500 can be arranged according to actual needs; the cross section of the groove 130 is triangular, and the area is smaller as the groove is closer to the spoke 200, so that the weight of the rim 100 is reduced to the maximum extent on the premise of meeting the strength of the wheel.

Preferably, the sleeve 400 is provided with a second annular groove 410, and the second groove 410 is matched with the rubber ring 500. The second groove 410 is used for clamping and matching the rubber ring 500, so as to prevent the rubber ring 500 from sliding on the shaft sleeve 400, and further influence the concentricity of the shaft sleeve 400 and the bearing 700.

Preferably, two rubber rings 500 are provided, and the two rubber rings 500 are symmetrically provided at both ends of the shaft sleeve 400. Through setting up two rubber ring 500 symmetries at axle sleeve 400 both ends, axle sleeve 400 is stabilized the cooperation in through-hole 310, and is concentric cooperation with through-hole 310, satisfies the pivot installation in-process, and bearing 700 and axle sleeve 400 concentricity are in the error of allowwing, avoid producing extrusion, friction because of pivot and axle sleeve 400, lead to the phenomenon that the wheel rotation process appears blocking, of course according to actual needs, also can be provided with a plurality of rubber ring 500.

Preferably, the body 210 is provided with a weight-reduction through hole 211 in a length direction. By arranging the weight-reducing through holes 211 on the body 210, the weight of the wheel can be further reduced, the production cost of the wheel is saved, and the oil consumption of the motorcycle in the driving process is reduced. Specifically, the lightening through holes 211 are arranged on the body 210 and close to the second connecting portion 230, the connecting walls 260 are arranged between the grooves 130 and the lightening through holes 211, and the wall thickness of the connecting walls 260 is equal to that of the rim 100, so that the thickness of the rim 100 with the grooves 130 is equal to that of the rest of the rim 100, the wall thickness of the rim 100 is uniform, the conditions of the rim 100 in sequence, uniform speed and rapid cooling are met, the production efficiency can be improved, the structure of the rim 100 is more stable during casting, and the performance of the wheel is improved.

Preferably, at least two threaded connection portions 330 are uniformly distributed in the circumferential direction of the support portion 311, and the threaded connection portions 330 are disposed at one end of the hub 300. The brake disc can be mounted on the end surface of the hub 300 through the screw connection part 330 to perform brake. Specifically, the threaded connection portions 330 are provided with five and evenly distributed circumferentially around the through hole 310, but may be provided in other numbers according to actual needs.

Preferably, the spokes 200 are provided with studs 600, and the studs 600 and the threaded connection portions 330 are arranged in a one-to-one correspondence and are arranged on the same straight line. Through being provided with threaded connection portion 330 and screw post 600, can install bigger brake disc on the wheel, further improve brake stability and brake performance. Specifically, the diameter of the stud 600 is 1.5-2.5 times of the diameter of the existing stud, and the stud is mounted on the spoke 200, so that a larger brake disc can be mounted, and the braking stability and the braking performance are better.

Preferably, a threaded hole is formed at one end of the turnbuckle 600 away from the spoke 200, and a hollow portion is formed at the connection position of the turnbuckle 600 and the spoke 200. Because the diameter of the screw column 600 is larger than that of the existing screw column, the hollow part is arranged on the screw column 600, so that on one hand, the weight of the wheel can be further reduced, the production cost of the wheel is saved, and the oil consumption of the motorcycle in the driving process is reduced; on the other hand, the hollow part can reduce the structural defects caused by the poor feeding of the part and meet the requirement of casting performance.

Preferably, the inner circle of rim 100 can be evenly distributed and be provided with many spokes 200 of being connected with wheel hub 300, under the structural strength for guaranteeing the wheel, lighten the weight of wheel, specifically, the equipartition is provided with five spokes 200 on the wheel, can realize five points to rim 100 like this and support, make the structure of wheel more stable, rim 100 is difficult to take place to warp when the atress, further improve the intensity of wheel, spoke 200 is provided with five, can ensure the dynamic balance of wheel, make the motorcycle more steady safety at the in-process of traveling. Specifically, the five spokes 200 are provided with weight-reducing through holes 211.

Preferably, the second connection portion 230 is provided with arc-shaped reinforcing ribs 231. The arc-shaped reinforcing ribs 231 can effectively avoid the situation that the acting force between the rim 100 and the spoke 200 is too concentrated, so that the spoke 200 or the rim 100 is easily broken. According to actual needs, a second arc-shaped reinforcing rib can be arranged on the first connecting portion 220, and the second arc-shaped reinforcing rib can effectively prevent the acting force between the hub 300 and the spoke 200 from being too concentrated.

Preferably, the width of the body 210 is gradually reduced from the second connection portion 230 toward the first connection portion 220. When a force is applied to the wheel, the stress applied to the joint between the spoke 200 and the rim 100 is large, and the width of the second connection portion 230 at the joint between the spoke 200 and the rim 100 is large, so that the strength of the second connection portion 230 can be enhanced, and the phenomenon that the second connection portion 230 is easily broken when the force is applied to the wheel is prevented, wherein the width of the body 210 is gradually reduced from the second connection portion 230 to the first connection portion 220 instead of being reduced in a step shape, so that the phenomenon that the spoke 200 is easily broken due to large local stress when the force is applied to the spoke 200 is prevented.

In another embodiment, the spokes 200 are curved in cross-section. The spokes 200 are arranged to withstand forces from all directions to ensure the stability of the connection of the rim 100 to the hub 300.

Preferably, a third groove is formed on the body 210, the third groove is formed on one side of the body 210 far away from the screw post 600, and the third groove is formed along the length direction of the body 210. Therefore, the weight of the wheel can be further reduced, the production cost of the wheel is saved, and the oil consumption of the motorcycle in the driving process is reduced.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheel structure comprising a rim (100), a hub (300) and spokes (200) connecting the rim (100) and the hub (300), characterized in that: the center of wheel hub (300) is provided with straight through-hole (310), the both ends of through-hole (310) are provided with support (311) that are used for installation bearing (700), be provided with axle sleeve (400) in through-hole (310), axle sleeve (400) cover is equipped with a plurality of rubber ring (500), the external diameter of rubber ring (500) with the aperture phase-match of through-hole (310), rim (100) circumference surface is provided with and extends to recess (130) of spoke (200), spoke (200) include long banding body (210), connect body (210) with first connecting portion (220) and the connection of wheel hub (300) body (210) with second connecting portion (230) of rim (100).

2. A wheel structure according to claim 1, wherein: an annular second groove (410) is formed in the shaft sleeve (400), and the second groove (410) is matched with the rubber ring (500).

3. A wheel structure according to claim 1, wherein: the number of the rubber rings (500) is two, and the two rubber rings (500) are symmetrically arranged at two ends of the shaft sleeve (400).

4. A wheel structure according to claim 1, wherein: the body (210) is provided with a weight-reducing through hole (211) along the length direction.

5. A wheel structure according to claim 1, wherein: the circumference equipartition of supporting portion (311) is provided with two at least threaded connection portions (330), threaded connection portion (330) set up the one end of wheel hub (300).

6. A wheel structure according to claim 5, wherein: be provided with screw post (600) on spoke (200), screw post (600) with threaded connection portion (330) one-to-one sets up, and sets up on same straight line.

7. A wheel structure according to claim 6, wherein: the one end that spoke (200) was kept away from in turnbuckle (600) is provided with the screw hole, turnbuckle (600) with spoke (200) junction is provided with fretwork portion.

8. A wheel structure according to claim 1, wherein: the cross section of the spoke (200) is bent.

9. A wheel structure according to claim 1, wherein: an arc-shaped reinforcing rib (231) is arranged on the second connecting part (230).

10. A wheel structure according to claim 1, wherein: the width of the body (210) is gradually reduced from the second connecting part (230) to the first connecting part (220).