WO2018010444A1 - 一种变辐车轮 - Google Patents

一种变辐车轮 Download PDF

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Publication number
WO2018010444A1
WO2018010444A1 PCT/CN2017/076823 CN2017076823W WO2018010444A1 WO 2018010444 A1 WO2018010444 A1 WO 2018010444A1 CN 2017076823 W CN2017076823 W CN 2017076823W WO 2018010444 A1 WO2018010444 A1 WO 2018010444A1
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WIPO (PCT)
Prior art keywords
spoke
hub
rim
spokes
wheel
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PCT/CN2017/076823
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English (en)
French (fr)
Inventor
欧献忠
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欧献忠
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Publication date
Application filed by 欧献忠 filed Critical 欧献忠
Publication of WO2018010444A1 publication Critical patent/WO2018010444A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/26—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/26—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes
    • B60B9/28—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes with telescopic action

Definitions

  • the present invention relates to the field of wheel technology, and more particularly to a variable spoke wheel.
  • the wheel is a rotating component that is loaded between the tire and the axle and consists primarily of rims, spokes and hubs.
  • the rim is used to mount the tire, and the spoke is a support portion between the axle and the rim.
  • Wheels are used in a variety of wheeled vehicles, such as bicycles, electric vehicles, motorcycles, automobiles, etc., which are closely related to people's daily lives.
  • the existing wheel technology can be divided into two types: a spoke type and a spoke type according to the structure of the spoke.
  • Both the spoke type and the spoke type are not deformable, that is, the connection between the rim and the hub of the wheel is a straight-hard connection, and the wheels made of the two types of spokes are called hard-spoke wheels.
  • bicycle wheels use spokes to connect the rim and the hub.
  • the car is connected to the rim and the hub by integral webs.
  • This hard-spoke wheel has been used for a long time and is suitable for various vehicles. It is a common choice for vehicles.
  • the wheels of ordinary vehicles generally include inflatable tires.
  • the pneumatic tires have a certain elasticity, which can play a partial damping effect during the running of the vehicle, but in the case of poor road conditions, due to the rim between the wheels and the hub
  • the position is relatively fixed, and the degree of bumping of the vehicle is still large, which not only makes the rider less comfortable, but also the components of the vehicle itself are easily damaged.
  • the collision of the vehicle during the driving process is inevitable. After the vehicle with the hard-spoke wheel collides with the external object, the relative position of the wheel rim and the hub is fixed, and the buffering effect of the wheel on the vehicle collision is limited, which cannot effectively reduce the accident. The extent of the damage.
  • the vehicle is bumpy under complicated road conditions, so that the driver or the passenger is less comfortable in riding, the vehicle parts are easily damaged in the bumps, and the buffering effect in the vehicle collision accident is limited, and the damage degree of the accident cannot be effectively reduced.
  • the object of the present invention is to provide a variable-spoke wheel to solve the problem that the vehicle existing in the prior art is bumpy under complicated road conditions, the driver or the passenger is less comfortable to ride, the vehicle parts are easily damaged in the bump, and The buffering effect in vehicle collision accidents is limited, and the technical problem of the degree of accident damage cannot be effectively reduced.
  • the present invention is a variable spoke wheel comprising, in order from the outside to the inside in the radial direction of the wheel, a rim, a spoke and a hub, the rim and the hub being connected by the spoke, the hub being placed at the center of the rim Position: the hub includes a left end face of the hub and a right end face of the hub, the spokes are elastic spokes and include left spokes and right spokes, the left spokes are fixedly coupled to the left end face of the hub, the right spokes and the right end of the hub The surface is fixedly connected, and the left spoke and the right spoke are fixedly connected to the rim.
  • left spoke and the right spoke are both annular spokes.
  • connection point of the annular spoke to the rim a connection point of the annular spoke to the hub, and a center three points of the annular spoke are collinear.
  • the left spoke and the right spoke are arc-shaped spokes; one end of the left spoke is fixedly connected to the rim, and the other end of the left spoke is fixedly connected to the left end of the hub; One end of the spoke is fixedly coupled to the rim, and the other end of the right spoke is fixedly coupled to the right end surface of the hub.
  • the number of the left spokes is at least two, and is uniformly distributed circumferentially at the left end surface of the hub; the number of the right spokes is the same as the number of the left spokes, and is uniformly distributed circumferentially at the right end surface of the hub.
  • a lug extends inwardly of the inner side of the rim, and the spoke is fixedly coupled to the lug.
  • a detachable connection is between the spoke and the rim, between the spoke and the lug.
  • the left end surface of the hub is provided with a left recessed groove, one end of the left spoke is matched with the left recessed groove; the right end surface of the hub is open with a right recessed groove, and one end of the right spoke is The right slot matches the connection.
  • the left recessed groove is provided with a flare in a direction of deformation when the left spoke is subjected to a force; and the right recessed groove is provided with a flare in a direction of deformation when the right spoke is subjected to a force.
  • the rim is an elastic rim.
  • the present invention provides a variable-spoke wheel that includes a rim, a spoke and a hub from the outside to the inside, and the spokes connect the hub and the rim.
  • the spokes are elastic spokes made of elastic material, when the wheel is not subjected to external force, the spokes are in a natural tensile state; during the rolling process of the wheel, the spokes are compressed and deformed by an external force, and the internal spokes of the deformed body interact with each other.
  • the stress in order to resist the external force, attempts to return the spoke from the deformed position to the position before the deformation; after the external force disappears, the spoke gradually returns to its original shape.
  • the spokes are further divided into two sets of left spokes and right spokes.
  • the hub includes a left end face of the hub and a right end face of the hub.
  • the left spoke is connected with the left end face of the hub
  • the right spoke is connected with the right end face of the hub.
  • the left spoke and the right spoke are connected. Together, it can ensure that the spokes balance the support rims and make the wheels rotate smoothly.
  • the external forces of the two sets of spokes are less than the single force when the external force is the same. The external force received by the force spokes during the set of spokes, such two sets of spokes make the spokes ensure a good service life with good working conditions.
  • the rim In the road with complicated and bumpy road conditions, the rim is impacted by external objects, the rim first applies force to the spokes, and the spokes are deformed by force compression, and a force generated by the deformation is applied to the rim and the hub, and the deformation process makes the spokes
  • the external force absorbs and cushions, weakening the bumping force transmitted vertically to the human body, so that the driver or the rider can improve comfort when riding.
  • the vehicle equipped with the variable spoke wheel is less bumpy during driving, the violent interaction force between the various components on the vehicle will be correspondingly small, so that the components of the vehicle are not easily damaged and the service life is prolonged. .
  • the elastic spoke can absorb and buffer the force applied to the wheel by the outside, and avoid collision.
  • the force is transmitted vertically to the human body, which can effectively reduce the human body and the vehicle during the collision. The extent of the damage.
  • the deformable spokes made of elastic material and/or strength material are used to connect the hub and the rim, and the spokes can be deformed when subjected to a force, thereby changing the relative positions of the hub and the rim.
  • FIG. 1 is a schematic structural view of a variable spoke wheel according to an embodiment of the present invention.
  • Figure 2 is a schematic structural view of the hub of Figure 1;
  • Figure 3 is a schematic view of a connection manner of the annular spoke
  • Figure 4 is a schematic view showing another connection mode of the annular spoke
  • Figure 5 is a schematic view showing the first connection mode of the curved spokes
  • Figure 6 is a schematic view showing the second connection mode of the curved spokes
  • Figure 7 is a schematic view showing a third connection mode of the curved spokes
  • Figure 8 is a schematic view showing the fourth connection mode of the curved spokes
  • Figure 9 is a schematic view showing the fifth connection mode of the curved spokes.
  • Figure 10 is a schematic view showing the sixth connection mode of the curved spokes.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the present embodiment is a variable spoke wheel, as shown in FIG. 1, and particularly with reference to FIG. 10, the rim 1, the spoke 2 and the hub 3 are sequentially arranged from the outside to the inside in the radial direction of the wheel, and the spokes are passed between the rim 1 and the hub 3.
  • the hub 3 is placed at the center of the rim 1;
  • the hub 3 comprises a left end face 31 of the hub and a right end face 32 of the hub, the spokes 2 being elastic spokes and comprising a left spoke 21 and a right spoke 22, the left spoke 21 being fixed to the left end face 31 of the hub
  • the right spoke 22 is fixedly connected to the right end face 32 of the hub, and the left spoke 21 and the right spoke 22 are fixedly connected to the rim 1 .
  • the spoke 2 can be a spring, in particular a helical spring.
  • the center position of the hub 3 is generally provided with an axle hole for the axle to pass through, and the axis of the axle hole is parallel to the horizontal plane and passes through both end faces of the hub 3, and the line of sight of the person
  • the end face on the left side of the line of sight is the left end face 31 of the hub
  • the end face on the right side of the line of sight is the right end face 32 of the hub.
  • the definitions of left and right here only refer to the relative positions of the two end faces on the hub 3, and are related to the position of the person's line of sight, etc., and are not fixed.
  • the spokes 2 are fixedly connected to the rim 1 and the hub 3. Since the spokes 2 are elastic spokes made of elastic material, the spokes 2 are in a natural stretch state when the wheels are not subjected to external force; the spokes 2 are subjected to an external force during the rolling of the wheels. Compression deformation, at this time the deformation of the spoke 2 generates an interaction stress to resist the external force, trying to return the spoke 2 from the deformed position to the position before the deformation; after the external force disappears, the spoke 2 gradually returns to the original state.
  • the spoke 2 is further divided into two sets of spokes of the left spoke 21 and the right spoke 22.
  • the left spoke 21 and the right spoke 22 cooperate to ensure that the spoke 2 balances the support rim 1 to make the wheel rotate smoothly;
  • the spoke 21 and the right spoke 22 are common When acting, when the external force is the same, the external force of the two sets of spokes is less than the external force of the force spokes when the single set of spokes, so that the spokes 2 of the two sets of spokes work well and have a long service life. .
  • the rim 1 When the road surface is complicated and bumpy, the rim 1 is struck by an external object, and the rim 1 first applies force to the spoke 2, and the spoke 2 is deformed by force compression, and at the same time, a force generated by the deformation is applied to the rim 1 and the hub 3,
  • This deformation process causes the spokes 2 to absorb and cushion the external force, reducing the bumping force transmitted vertically to the human body, thereby improving the comfort of the driver or the rider when riding.
  • the vehicle equipped with the variable spoke wheel is less bumpy during driving, the violent interaction force between the various components on the vehicle will be correspondingly small, so that the components of the vehicle are not easily damaged and the service life is prolonged. .
  • the elastic spoke can absorb and buffer the force applied to the wheel by the outside, reducing the vertical
  • the collision force transmitted to the human body can effectively reduce the degree of damage of the human body and the vehicle during the collision.
  • both the left spoke 21 and the right spoke 22 may be annular spokes.
  • the rim 1 is generally annular and has a cylindrical side on the inner side.
  • the annular spoke is connected to the cylindrical side of the rim 1, one end of the annular spoke is tangent to the cylindrical side at the connection point, and the annular spoke is The other end is connected to the hub 3.
  • the diameter of the annular spoke is greater than or equal to the radius of the hub 3, that is, the axis of the axle hole passes through the ring of the annular spoke, in order to avoid the crossover effect between the annular spokes, a left spoke 21 is connected to the left end face 31 of the hub, at the right end of the hub.
  • the hub left end face 31 and the hub right end face 32 may respectively connect a plurality of annular spokes according to the size of the annular spoke.
  • the rim 1 When the wheel rotates on the road surface, the rim 1 contacts the outside world, and the external force is transmitted to the annular spoke through a connection point connected with the annular spoke, and the weight of the person is transmitted to the annular spoke through the connection point of the hub 3 and the annular spoke, the annular spoke pair
  • the hub 3 and the rim 1 respectively exert a reaction force to support, and the rim 1, the annular spoke and the hub 3 are balanced by force, thereby ensuring normal rotation of the wheel.
  • the road surface is uneven, the moment the wheel collides with the protrusion, the outside applies a sudden and large external force to the rim 1.
  • the rim 1 transmits the force to the annular spoke, and the annular spoke is compressed and deformed by force, and the internal generation causes the deformation to recover.
  • the stress to the original shape causes the annular spoke to gradually return to the original shape, and the external force acts as a buffer to reduce the bumpiness of the driver or the rider.
  • the vehicle components can be relieved in the bumps. The degree of damage and buffering when the vehicle collides.
  • connection point of the annular spoke and the rim 1, the connection point of the annular spoke to the hub 3, and the center three points of the annular spoke can be made collinear.
  • the variable spoke wheel mainly functions as a shock absorbing cushion of the variable spoke wheel by the spoke 2 made of elastic material.
  • the shape variable of the spoke 2 is larger, indicating that the shock absorbing effect of the spoke 2 is more it is good.
  • the deformation of the spoke 2 is proportional to the length of the spoke 2.
  • connection point between the spoke 2 and the rim 1, the spoke 2 and the hub 3 is the force point of the spoke 2, and for the annular spoke, when the two force points are collinear with the center three points of the annular spoke
  • the length of the annular spoke is the longest, and when the external force is constant, the deformation of the annular spoke can be maximized, and the damping of the external force is also maximized. Thereby minimizing the bumps and vibrations of the vehicle.
  • the left spoke 21 and the right spoke 22 may also be arcuate spokes, as shown in Figures 5, 6, 7, 8, 9, and 10, one end of the left spoke 21
  • the other end of the left spoke 21 is fixedly coupled to the left end face 31 of the hub; one end of the right spoke 22 is fixedly coupled to the rim 1 and the other end of the right spoke 22 is fixedly coupled to the right end face 32 of the hub.
  • the curved spokes and the hub 3 can adopt various connection forms: the curved spoke bending direction of the same end surface, the connection position of the curved spokes and the end face of the hub 3, and the like are all flexible.
  • the force and action of the curved spokes are similar to the circular spokes and will not be described here.
  • the number of left spokes 21 can be at least two, and the circumferential left end face 31 is evenly distributed; the number of right spokes 22 and the left spokes The number 21 is the same and is evenly distributed circumferentially on the right end face 32 of the hub.
  • the left spoke 21 and the right spoke 22 are evenly distributed on the left end face 31 of the hub and the right end face 32 of the hub, respectively, the wheel is evenly stressed during the running of the wheel, and no bumps are generated due to the uneven force of the wheel itself.
  • it is also ensured that the force intensity of each spoke 2 is uniform, and the problem that the wheel cannot be rotated due to the damage caused by the excessive force of a certain spoke 2 is reduced or even avoided.
  • each of the two or more left spokes 21 starts from the rim 1 and is fixedly connected to the left end surface of the hub of the hub 3 after being twisted and twisted near the hub 3;
  • the right spokes 22 start from the rim 1 and are fixedly connected to the right end face of the hub of the hub 3 after being twisted around the hub 3.
  • Each of the left spokes 21 and each of the right spokes 22 are alternately arranged equidistantly on the rim 1 .
  • a fixing member, spokes and solids are arranged on the rim 1 Fixed connection.
  • the diameter of the fixing member is smaller than the diameter of the spoke.
  • This arrangement enables the spokes to withstand greater forces, further enhancing the shock absorbing cushioning of the spokes, so that the wheels are more evenly stressed during driving, minimizing the bumping vibration of the vehicle. Moreover, the strength of each spoke is consistent, and the problem that a certain spoke is damaged due to excessive force is caused, and the wheel cannot be rotated.
  • a plurality of left spokes 21 are started from the rim 1 and are respectively fixedly coupled to the left end surface of the hub of the hub 3; a plurality of right spokes 22 are started from the rim 1 and are fixedly coupled to the right end surface of the hub of the hub 3, respectively.
  • Each of the left spokes 21 and each of the right spokes 22 are alternately arranged equidistantly on the rim 1 .
  • a fixing member is arranged on the rim 1, and the spokes are fixedly connected to the fixing member. In particular, the diameter of the fixing member is smaller than the diameter of the spoke.
  • connection of the spokes 2 can have various connection manners, for example, the plane defining the center of the rim 1 and the left end surface 31 of the hub is a middle plane; the left spokes 21 have the same bending direction and are uniformly distributed circumferentially on the left end surface 31 of the hub, left
  • the connection point between the spoke 21 and the rim 1 is the left connection point and is evenly distributed along the inner circumference of the rim 1, and the plane passing the left connection point and parallel to the middle plane is the left plane; the right spokes 22 are bent in the same direction and are on the right end of the hub 32.
  • connection point of the right spoke 22 and the rim 1 is the right connection point and is evenly distributed along the inner circumference of the rim 1, the plane passing the right connection point and parallel to the middle plane is the right plane, the number of the left spokes 21 and the right spokes The number of 22 is the same.
  • the left plane and the right plane are symmetric with respect to the middle plane or coincide with the middle plane, and the left joint point and the right joint point respectively project to the middle plane to form a left projection point and a right projection point, and the left projection point and the right projection point may coincide in one-to-one correspondence. It is also possible to arrange the left projection point, the right projection point, the left projection point, and the like in order.
  • the elastic material from the middle portion to form two bent portions, the two bent portions respectively serving as the left spoke 21 and the right spoke 22, and the central bent end of the elastic material is fixedly connected with the rim 1 and along the rim 1
  • the inner circumference is evenly distributed, the left spoke 21 is fixedly connected to the left end surface 31 of the hub, and the right spoke is fixedly connected to the right end surface 32 of the hub.
  • a lug 11 can be extended inwardly inside the rim 1, and the spoke 2 is fixedly connected to the lug 11.
  • the spokes 2 are connected to the rim 1 by the lugs 11, so that the contact portion of the rim 1 with the outside is completely seamless, thereby avoiding the direct connection of the spokes 2 and the rim 1 so that the joint portion of the rim 1 is concentrated during stress and is easily damaged. The problem.
  • the spokes 2 and the rim 1, the spokes 2 and the lugs 11 can be arranged in a detachable connection. Due to the cyclic stress or cyclic strain of the spoke 2, even if the stress value does not exceed the strength limit of the material, even lower than the elastic limit, it is easy to gradually produce local permanent accumulation damage in one or more places, in a certain cycle. Cracks occur after the number of times or a complete break occurs suddenly.
  • the spokes 2 are detachably connected to the rim 1 and the lugs 11. When the spokes 2 are damaged, only the damaged spokes 2 are replaced and the wheels can be used again.
  • a left recessed groove 33 may be defined in the left end surface 31 of the hub, and one end of the left spoke 21 is matched with the left recessed groove 33; and a right recessed groove 34 is defined in the right end surface 32 of the hub. One end of the right spoke 22 is mated with the right flushing groove 34.
  • the flaring 35 may be opened in the deformation direction when the left slot 33 is biased to the left spoke 21; in the right slot 34 A flare 35 is formed in the direction of deformation when the right spoke 22 is stressed.
  • the groove does not hinder the deformation of the spoke 2 due to the opening of the flare, and the deformation space of the spoke 2 is ensured, thereby reducing the obstruction effect of the groove during the deformation of the spoke 2. It affects the problem of the shock absorption effect of the spoke 2, and can also reduce the degree of damage caused by the interaction with the slot during the deformation of the spoke 2.
  • the rim 1 may be an elastic rim.
  • the rim 1 of the variable spoke wheel is an elastic rim.
  • the rim 1 deforms and conforms to the shape of the protrusion, and the spoke 2 also deforms accordingly.
  • Both the rim 1 and the spoke 2 generate stresses that cause them to return to the original shape, that is, the rim 1 and the spoke 2 have a double shock absorbing effect on the external force, thereby further enhancing the comfort of the driver or the occupant and reducing the vehicle components.
  • the elastic rim can also enhance the adhesion of the wheel to the road surface, thereby enhancing the safety of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

一种变辐车轮，包括轮辋（1）、轮辐（2）和轮毂（3），轮辋（1）和轮毂（3）之间通过轮辐（2）连接，轮毂（3）置于轮辋（1）的中心位置，轮辐（2）为弹性轮辐。弹性轮辐在车轮受到突变外力时可以发生形变，形变过程中，弹性轮辐内部发生应力变化，对外力起到缓冲削减作用，从而减轻车辆颠簸程度，增强驾驶员或者乘车员的舒适度、降低车辆部件在颠簸中的易损毁程度以及增强车辆在碰撞事故中的缓冲作用，有效降低事故的损伤程度。

Description

一种变辐车轮
本申请要求于2016年07月11日提交中国专利局、申请号为CN201610541679.4、名称为“一种变辐车轮”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及车轮技术领域，尤其是涉及一种变辐车轮。
背景技术
车轮是介于轮胎和车轴之间承受负荷的旋转组件，主要由轮辋、轮辐和轮毂组成。轮辋用于安装轮胎，轮辐是介于车轴和轮辋之间的支承部分。车轮应用于各种带轮的交通工具中，如：自行车、电动车、摩托车、汽车等，与人们日常生活息息相关。
现有的车轮技术，按轮辐的结构可分为辐板式和辐条式两种。辐板式和辐条式两种车辐都是无法变形的，即这种车轮的轮辋和轮毂的连接方式属于直硬式连接，这两种车辐制成的车轮叫做硬辐车轮。比如自行车车轮就是用辐条连接轮辋和轮毂的，汽车是用整体辐板方式连接轮辋和轮毂的，这种硬辐车轮使用已久，适用于各种车辆，是车辆较为普遍的选择。此外，普通车辆的车轮一般都包括充气车胎，充气车胎具有一定的弹性，在车辆行驶过程中能够起到部分减震作用，但是在路况较差的情况下，由于车轮的轮辋与轮毂之间的位置相对固定不变，车辆的颠簸程度还是很大，不仅使乘车人员舒适度较差，而且车辆本身的部件也易损坏。另外，车辆在行驶过程中难免发生碰撞事故，安装硬辐车轮的车辆与外界物体发生碰撞后，由于车轮的轮辋和轮毂相对位置固定不变，车轮对车辆碰撞的缓冲作用有限，不能有效降低事故的损伤程度。
即车辆在复杂路况下较为颠簸，使驾驶员或乘车员乘车舒适度较差、车辆部件在颠簸中易损毁以及在车辆碰撞事故中的缓冲作用有限，不能有效降低事故的损伤程度。
发明内容
本发明的目的在于提供一种变辐车轮，以解决现有技术中存在的车辆在复杂路况下较为颠簸，使驾驶员或乘车员乘车舒适度较差、车辆部件在颠簸中易损毁以及在车辆碰撞事故中的缓冲作用有限，不能有效降低事故损伤程度的技术问题。
本发明是一种变辐车轮，沿车轮径向由外至内依次包括轮辋、轮辐和轮毂，所述轮辋和所述轮毂之间通过所述轮辐连接，所述轮毂置于所述轮辋的中心位置；所述轮毂包括轮毂左端面和轮毂右端面，所述轮辐为弹性轮辐且包括左轮辐和右轮辐，所述左轮辐与所述轮毂左端面固定连接，所述右轮辐与所述轮毂右端面固定连接，所述左轮辐、所述右轮辐均与所述轮辋固定连接。
进一步的，所述左轮辐和所述右轮辐均为环形轮辐。
进一步的，所述环形轮辐与所述轮辋的连接点、所述环形轮辐与所述轮毂的连接点以及所述环形轮辐的中心三点共线。
进一步的，所述左轮辐和所述右轮辐均为弧形轮辐；所述左轮辐的一端与所述轮辋固定连接，所述左轮辐的另一端与所述轮毂左端面固定连接；所述右轮辐的一端与所述轮辋固定连接，所述右轮辐的另一端与所述轮毂右端面固定连接。
进一步的，所述左轮辐数量至少为两个，且在所述轮毂左端面周向均匀分布；所述右轮辐数量与所述左轮辐数量相同，且在所述轮毂右端面周向均匀分布。
进一步的，所述轮辋内侧向内延伸有凸耳，所述轮辐与所述凸耳固定连接。
进一步的，所述轮辐与所述轮辋之间、所述轮辐与所述凸耳之间均为可拆卸连接。
进一步的，所述轮毂左端面开设有左嵌槽，所述左轮辐的一端与所述左嵌槽相匹配连接；所述轮毂右端面开设有右嵌槽，所述右轮辐的一端与所述右嵌槽相匹配连接。
进一步的，所述左嵌槽向所述左轮辐受力时的变形方向开设有扩口；所述右嵌槽向所述右轮辐受力时的变形方向开设有扩口。
进一步的，所述轮辋为弹性轮辋。
有益效果：本发明提供一种变辐车轮，由外至内依包括轮辋、轮辐和轮毂，轮辐连接轮毂和轮辋。由于轮辐为弹性材料制成的弹性轮辐，当车轮不受外力时，轮辐处于自然拉伸状态；在车轮滚动的过程中，轮辐受外力作用发生压缩形变，此时发生变形的轮辐内部产生相互作用的应力，以抵抗外部的作用力，力图使轮辐从变形后的位置回复到变形前的位置；外力消失后，轮辐逐渐回复原状。轮辐又分为左轮辐和右轮辐两组轮辐，轮毂包括轮毂左端面和轮毂右端面，左轮辐与轮毂左端面连接，右轮辐与轮毂右端面连接，当车轮受外力时，左轮辐和右轮辐共同作用，能够保证轮辐平衡支撑轮辋，使车轮平稳转动；此外，当左轮辐和右轮辐共同作用时，在受外力大小相同的情况下，两组轮辐的受力轮辐所受到的外力要小于单组轮辐时受力轮辐受到的外力，这样的两组轮辐使轮辐保证工作良好的情况下使用寿命较长。
在路况复杂颠簸的路面时，轮辋受外部物体的撞击，轮辋首先对轮辐施力，轮辐受力压缩发生形变，同时对轮辋和轮毂施加一个为回复形变而产生的力，这个形变过程就使轮辐对外力起到吸收和缓冲作用，削弱垂直传递到人体的颠簸作用力，从而使驾驶员或乘车员乘车时舒适度提高。此外，由于安装有变辐车轮的车辆在行驶过程中受到的颠簸较小，车辆上的各个部件之间变化剧烈的相互作用力也会相应较小，从而使得车辆的部件不易损毁，延长其使用寿命。同样的，当安装有变辐车轮的车辆发生碰撞事故时，特别是摩托、自行车等碰撞时车轮与外部碰撞物体直接接触的情况，弹性轮辐可以吸收和缓冲外界施加给车轮的力，避免碰撞作用力垂直传递给人体，可以有效降低人体以及车辆在碰撞过程中 的损伤程度。
在根据本发明的变辐车轮中，使用由弹性材料和/或强度材料制成的、可变形的轮辐连接轮毂和轮辋，轮辐受力时可以发生形变，从而使轮毂和轮辋的相对位置发生变化。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的变辐车轮的结构示意图；
图2为图1中轮毂的结构示意图；
图3为环形轮辐的一种连接方式示意图；
图4为环形轮辐的另一种连接方式示意图；
图5为弧形轮辐的第一种连接方式示意图；
图6为弧形轮辐的第二种连接方式示意图；
图7为弧形轮辐的第三种连接方式示意图；
图8为弧形轮辐的第四种连接方式示意图；
图9为弧形轮辐的第五种连接方式示意图；
图10为弧形轮辐的第六种连接方式示意图。
附图标记：
1-轮辋          2-轮辐          3-轮毂
11-凸耳
21-左轮辐       22-右轮辐
31-轮毂左端面   32-轮毂右端面   33-左嵌槽
34-右嵌槽       35-扩口
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是 为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
本实施例是一种变辐车轮，如图1所示，特别是参照图10，沿车轮径向由外至内依次包括轮辋1、轮辐2和轮毂3，轮辋1和轮毂3之间通过轮辐2连接，轮毂3置于轮辋1的中心位置；轮毂3包括轮毂左端面31和轮毂右端面32，轮辐2为弹性轮辐且包括左轮辐21和右轮辐22，左轮辐21与轮毂左端面31固定连接，右轮辐22与轮毂右端面32固定连接，左轮辐21、右轮辐22均与轮辋1固定连接。轮辐2可以是弹簧，特别是螺旋弹簧。
这里首先要说明的是，如图2所示，轮毂3的中心位置一般开设有用于轮轴穿过的轮轴孔，轮轴孔的轴线与水平面平行且从轮毂3的两个端面穿过，人的视线与轴线垂直且处于轮毂3的两个端面之间时，视线左侧的端面为轮毂左端面31，视线右侧的端面为轮毂右端面32。这里对左、右的定义仅仅是指两个端面在轮毂3上的相对位置，与人的视线位置等均有关系，并不是固定不变的。与此类似的还有与轮毂左端面31连接的左轮辐21、与轮毂右端面32连接的右轮辐22，其中的左、右也仅仅是两组轮辐2的相对位置，并不是固定不变的。
轮辐2固定连接轮辋1和轮毂3，由于轮辐2为弹性材料制成的弹性轮辐，当车轮不受外力时，轮辐2处于自然拉伸状态；在车轮滚动的过程中，轮辐2受外力作用发生压缩形变，此时发生变形的轮辐2内部产生相互作用的应力，以抵抗外部的作用力，力图使轮辐2从变形后的位置回复到变形前的位置；外力消失后，轮辐2逐渐回复原状。轮辐2又分为左轮辐21和右轮辐22两组轮辐，当车轮受外力时，左轮辐21和右轮辐22共同作用，能够保证轮辐2平衡支撑轮辋1，使车轮平稳转动；此外，当左轮辐21和右轮辐22共同 作用时，在受外力大小相同的情况下，两组轮辐的受力轮辐所受到的外力要小于单组轮辐时受力轮辐受到的外力，这样两组轮辐的轮辐2工作良好且使用寿命较长。
在路况复杂颠簸的路面时，轮辋1受外部物体的撞击，轮辋1首先对轮辐2施力，轮辐2受力压缩发生形变，同时对轮辋1和轮毂3施加一个为回复形变而产生的力，这个形变过程就使轮辐2对外力起到吸收和缓冲作用，减小垂直传递到人体的颠簸作用力，从而使驾驶员或乘车员乘车时舒适度有所提高。此外，由于安装有变辐车轮的车辆在行驶过程中受到的颠簸较小，车辆上的各个部件之间变化剧烈的相互作用力也会相应较小，从而使得车辆的部件不易损毁，延长其使用寿命。同样的，当安装有变辐车轮的车辆发生碰撞事故时，特别是摩托、自行车等碰撞时车轮与外部碰撞物体直接接触的情况，弹性轮辐可以吸收和缓冲外界施加给车轮的力，减小垂直传递给人体的碰撞作用力，可以有效降低人体以及车辆在碰撞过程中的损伤程度。
本实施例中，如图3和图4所示，左轮辐21和右轮辐22均可以为环形轮辐。首先，需要说明的是，轮辋1一般为环形，其内侧为圆柱形侧面，当环形轮辐与轮辋1的圆柱形侧面连接时，环形轮辐的一端与圆柱形侧面于连接点处相切，环形轮辐的另一端与轮毂3连接。当环形轮辐的直径大于等于轮毂3半径，即轮轴孔的轴线穿过环形轮辐的环内时，为了避免环形轮辐之间的交叉影响，在轮毂左端面31连接一个左轮辐21，在轮毂右端面32连接一个右轮辐22，两个轮辐和轮辋1的连接点连线为轮辋1的一条直径线。当环形轮辐的直径小于轮毂3半径时，轮毂左端面31和轮毂右端面32可以根据环形轮辐的大小分别连接多个环形轮辐。
车轮在路面转动行驶时，轮辋1与外界接触，并将外力通过与环形轮辐连接的连接点传递给环形轮辐，人的重量通过轮毂3与环形轮辐连接的连接点传递给环形轮辐，环形轮辐对轮毂3和轮辋1分别施加反力起到支撑作用，轮辋1、环形轮辐和轮毂3之间受力平衡，从而保证车轮的正常转动行驶。当路面不平整时，车轮与凸起碰撞的一瞬间，外界对轮辋1施加一个突变且较大的外力，轮辋1将力传递给环形轮辐，环形轮辐受力压缩变形，同时内部产生使形变回复到原始形状的应力，使环形轮辐逐渐回复原始形状，对外力起到缓冲削减的作用，从而减轻驾驶员或者乘车员的颠簸感，同理也能减轻车辆部件在颠簸中 的损毁程度以及车辆碰撞时起到缓冲作用。
本实施例中，如图3和图4所示，可以使环形轮辐与轮辋1的连接点、环形轮辐与轮毂3的连接点以及环形轮辐的中心三点共线。变辐车轮主要通过弹性材料制成的轮辐2来起到变辐车轮的减震缓冲等作用，当车轮受到相同的外力时，轮辐2的形变量越大，说明轮辐2的减震缓冲效果越好。当轮辐2结构以及外界对车轮所施加的力一定时，轮辐2的形变量与轮辐2的长度成正比。在变辐车轮的转动过程中，轮辐2与轮辋1、轮辐2与轮毂3的连接点为轮辐2的受力点，对于环形轮辐，当两个受力点与环形轮辐的中心三点共线时，环形轮辐的长度最长，当其所受外力一定时，环形轮辐的形变量可达到最大，对外力的缓冲程度也达到最大。从而最大程度减轻车辆的颠簸震动。
轮辐2的形状除了环形轮辐外，左轮辐21和右轮辐22还可以均为弧形轮辐，如图5、图6、图7、图8、图9和图10所示，左轮辐21的一端与轮辋1固定连接，左轮辐21的另一端与轮毂左端面31固定连接；右轮辐22的一端与轮辋1固定连接，右轮辐22的另一端与轮毂右端面32固定连接。
具体的，弧形轮辐与轮毂3可以采用多种连接形式：同一端面的弧形轮辐弯曲方向、弧形轮辐与轮毂3端面的连接位置等都是灵活可变的。弧形轮辐的受力及作用过程与环形轮辐类似，这里不再赘述。
为了使车轮在行驶过程中受力均匀，进一步增强轮辐2的减震缓冲作用，可以使左轮辐21数量至少为两个，且在轮毂左端面31周向均匀分布；右轮辐22数量与左轮辐21数量相同，且在轮毂右端面32周向均匀分布。当左轮辐21和右轮辐22分别在轮毂左端面31和轮毂右端面32上均匀分布时，车轮在转动行驶过程中受力均匀，不会因为车轮本身受力不均而产生颠簸。此外，还可以保证各个轮辐2的受力强度一致，减少甚至避免轮辐2中因为某个轮辐2受力偏大发生损坏，而致使车轮无法转动的问题。
另外，如图9所示，每两条或更多条左轮辐21从轮辋1出发，在接近轮毂3处交叉缠扭后，分别与轮毂3的轮毂左端面固定连接；每两条更多条右轮辐22从轮辋1出发，在接近轮毂3处交叉缠扭后，分别与轮毂3的轮毂右端面固定连接。每条左轮辐21与每条右轮辐22在轮辋1上特别是等距离地交替布置。需要时，在轮辋1上布置有固定件，轮辐与固 定件固定连接。特别是固定件的直径小于轮辐的直径。这种布置方案使轮辐能够承受更大的力量，进一步增强轮辐的减震缓冲作用，从而车轮在行驶过程中受力更加均匀，最大程度减轻车辆的颠簸震动。而且各个轮辐受力强度一致，避免某个轮辐因受力过大而损坏，致使车轮无法转动的问题。
此外，如图10所示，多条左轮辐21从轮辋1出发，分别与轮毂3的轮毂左端面固定连接；多条右轮辐22从轮辋1出发，分别与轮毂3的轮毂右端面固定连接。每条左轮辐21与每条右轮辐22在轮辋1上特别是等距离地交替布置。需要时，在轮辋1上布置有固定件，轮辐与固定件固定连接。特别是固定件的直径小于轮辐的直径。这种布置方案使各个轮辐受力强度一致，避免某个轮辐因受力过大而损坏，致使车轮无法转动的问题，同时增强轮辐的减震缓冲作用，车轮在行驶过程中受力均匀，最大程度减轻车辆的颠簸震动。
其中，轮辐2的连接可以有多种连接方式，如：定义过轮辋1中心与轮毂左端面31平行的平面为中平面；左轮辐21弯曲方向一致且在轮毂左端面31周向均匀分布，左轮辐21和轮辋1的连接点为左连接点且沿轮辋1内侧周向均匀分布，过左连接点并与中平面平行的平面为左平面；右轮辐22弯曲方向一致且在轮毂右端面32周向均匀分布，右轮辐22和轮辋1的连接点为右连接点且沿轮辋1内侧周向均匀分布，过右连接点并与中平面平行的平面为右平面，左轮辐21的数量与右轮辐22的数量相同。其中，左平面和右平面关于中平面对称或者与中平面重合，左连接点和右连接点分别向中平面投影形成左投影点和右投影点，左投影点和右投影点可以一一对应重合，也可以如左投影点、右投影点、左投影点······等依次均匀间隔排布。
另外，还可以考虑将弹性材料从中部弯折形成两个弯折部，两个弯折部分别作为左轮辐21和右轮辐22，弹性材料的中部弯折端与轮辋1固定连接且沿轮辋1内侧周向均匀分布，左轮辐21与轮毂左端面31固定连接，右轮辐与轮毂右端面32固定连接。
本实施例中，如图1所示，可以在轮辋1内侧向内延伸有凸耳11，轮辐2与凸耳11固定连接。轮辐2通过凸耳11与轮辋1连接，使轮辋1与外界的接触部分保持完整无接缝，从而避免了轮辐2与轮辋1直接连接使得轮辋1连接部位在受力过程中应力集中而容易损坏的问题。
为了方便更换轮辐2，可以把轮辐2与轮辋1、轮辐2与凸耳11均设置为可拆卸连接。由于轮辐2在循环应力或者循环应变作用下，就算应力值始终没超过材料的强度极限，甚至比弹性极限还低，也容易在一处或者多处逐渐产生局部永久性积累损伤，在一定的循环次数后产生裂纹或者突然发生完全断裂。轮辐2与轮辋1以及凸耳11均为可拆卸连接，当轮辐2损坏时，只需将损坏的轮辐2更换，车轮就可以再次使用。
本实施例中，如图2所示，可以在轮毂左端面31开设有左嵌槽33，左轮辐21的一端与左嵌槽33相匹配连接；在轮毂右端面32开设有右嵌槽34，右轮辐22的一端与右嵌槽34相匹配连接。
由于驾驶者、乘车者以及车辆的部分重量均通过轮毂3与轮辐2的连接点对轮辐2施力，在轮毂3端面上开设有嵌槽，轮辐2安装完毕后，轮辐2与轮毂3端面的连接一端可置于嵌槽中，当轮辐2受力时，轮辐2与轮毂3的相互作用处除了连接部位外还有嵌槽与轮辐2的端部接触部分。当外力一定时，嵌槽可以分担一部分力，从而减小轮辐2与轮毂3端面连接部位的受力，延长其使用寿命。
为了减小嵌槽对轮辐2受力发生形变时的阻碍作用，如图2所示，可以在左嵌槽33向左轮辐21受力时的变形方向开设有扩口35；在右嵌槽34向右轮辐22受力时的变形方向开设有扩口35。当轮辐2受力发生弯曲形变时，由于扩口35的开设，嵌槽不会阻碍轮辐2的形变，保证轮辐2的形变空间，从而减小了轮辐2形变过程中受嵌槽的阻碍作用而影响轮辐2减震效果的问题，此外还可以降低轮辐2形变过程中与嵌槽相互作用而被损坏的程度。
本实施例中，轮辋1可以为弹性轮辋。对于地形复杂的路况，如山领地带，变辐车轮的轮辋1为弹性轮辋，当车轮遇到凸起物时，轮辋1发生形变趋向与凸起物的外形贴合，轮辐2也相应发生形变，轮辋1和轮辐2内部均产生使其回复到原始形状的应力，即轮辋1和轮辐2对外力起到双重的减震缓冲作用，从而进一步增强驾驶者或者乘车员的舒适度、降低车辆部件在颠簸中易损程度以及增强车轮在车辆碰撞事故中的缓冲作用。此外，在地形复杂的路况中，弹性轮辋还可以增强车轮对路面的附着力，从而增强车辆的安全性。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管 参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (10)

  1. 一种变辐车轮，沿车轮径向由外至内依次包括轮辋(1)、轮辐(2)和轮毂(3)，所述轮辋(1)和所述轮毂(3)之间通过所述轮辐(2)连接，所述轮毂(3)置于所述轮辋(1)的中心位置；其特征在于，所述轮毂(3)包括轮毂左端面(31)和轮毂右端面(32)，所述轮辐(2)为弹性轮辐且包括左轮辐(21)和右轮辐(22)，所述左轮辐(21)与所述轮毂左端面(31)固定连接，所述右轮辐(22)与所述轮毂右端面(32)固定连接，所述左轮辐(21)、所述右轮辐(22)均与所述轮辋(1)固定连接。
  2. 根据权利要求1所述的变辐车轮，其特征在于，所述左轮辐(21)和所述右轮辐(22)均为环形轮辐。
  3. 根据权利要求2所述的变辐车轮，其特征在于，所述环形轮辐与所述轮辋(1)的连接点、所述环形轮辐与所述轮毂(3)的连接点以及所述环形轮辐的中心三点共线。
  4. 根据权利要求1所述的变辐车轮，其特征在于，所述左轮辐(21)和所述右轮辐(22)均为弧形轮辐；
    所述左轮辐(21)的一端与所述轮辋(1)固定连接，所述左轮辐(21)的另一端与所述轮毂左端面(31)固定连接；
    所述右轮辐(22)的一端与所述轮辋(1)固定连接，所述右轮辐(22)的另一端与所述轮毂右端面(32)固定连接。
  5. 根据权利要求1-4中任一项所述的变辐车轮，其特征在于，所述左轮辐(21)数量至少为两个，且在所述轮毂左端面(31)周向均匀分布；
    所述右轮辐(22)数量与所述左轮辐(21)数量相同，且在所述轮毂右端面(32)周向均匀分布。
  6. 根据权利要求1-4中任一项所述的变辐车轮，其特征在于，所述轮辋(1)内侧向内延伸有凸耳(11)，所述轮辐(2)与所述凸耳(11)固定连接。
  7. 根据权利要求6所述的变辐车轮，其特征在于，所述轮辐(2)与所述轮辋(1)之间、所述轮辐(2)与所述凸耳(11)之间均为可拆卸连接。
  8. 根据权利要求1-4、7中任一项所述的变辐车轮，其特征在于，所述轮毂左端面(31)开设有左嵌槽(33)，所述左轮辐(21)的一端与所述左嵌槽(33)相匹配连接；
    所述轮毂右端面(32)开设有右嵌槽(34)，所述右轮辐(22)的一端与所述右嵌槽(34)相匹配连接。
  9. 根据权利要求8所述的变辐车轮，其特征在于，所述左嵌槽(33)向所述左轮辐(21)受力时的变形方向开设有扩口(35)；
    所述右嵌槽(34)向所述右轮辐(22)受力时的变形方向开设有扩口(35)。
  10. 根据权利要求1-4、7、9中任一项所述的变辐车轮，其特征在于，所述轮辋(1)为弹性轮辋。
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