阅读说明：本技术 一种应对小偏置碰撞的汽车车轮 (Automobile wheel for coping with small offset collision ) 是由 李广伦 姚再起 韦安阳 廖慧红 刘德平 孙杰 王则龙 于 2021-01-08 设计创作，主要内容包括：本发明提供了一种应对小偏置碰撞的汽车车轮,属于汽车技术领域。它解决了现有汽车车轮在发生小偏置碰撞时吸能效果差的问题。本应对小偏置碰撞的汽车车轮包括轮辋和设置在轮辋外侧的轮辐,轮辋中固连有至少一个吸能件,吸能件沿着轮辋内侧的边沿设置,且吸能件贴靠在轮辋的内侧壁上。本应对小偏置碰撞的汽车车轮具有增强碰撞过程中车轮的薄弱区,增加车轮变形时的吸能效果的优点。(The invention provides an automobile wheel for small offset collision, and belongs to the technical field of automobiles. The automobile wheel solves the problem that an existing automobile wheel is poor in energy absorption effect when small offset collision occurs. The automobile wheel for small offset collision comprises a rim and a spoke arranged on the outer side of the rim, wherein at least one energy absorbing piece is fixedly connected in the rim, the energy absorbing piece is arranged along the edge of the inner side of the rim, and the energy absorbing piece is attached to the inner side wall of the rim. The automobile wheel for small offset collision has the advantages of enhancing the weak area of the wheel in the collision process and increasing the energy absorption effect when the wheel is deformed.)

1. The utility model provides a reply auto wheel of little offset collision, includes rim (1) and spoke (2) of setting in rim (1) outside, its characterized in that, at least one energy-absorbing piece (3) has been linked firmly in rim (1), energy-absorbing piece (3) set up along the border of rim (1) inboard, just energy-absorbing piece (3) paste and lean on the inside wall of rim (1).

2. The automobile wheel for small offset collision according to claim 1, characterized in that the edge of the inner side of the rim (1) has an outward tilting portion (11), the outer end of the energy absorbing member (3) is located at the tilting portion (11) along the axial direction of the rim (1), a gap is formed between the outer end of the energy absorbing member (3) and the tilting portion (11), the inner end of the energy absorbing member (3) extends to the middle of the rim (1), and the inner end of the energy absorbing member (3) is attached to the inner side wall of the rim (1).

3. The automobile wheel for dealing with small offset collision according to claim 2 is characterized in that the cross-sectional area of the outer end of the energy absorbing member (3) is larger than or equal to the cross-sectional area of the inner end of the energy absorbing member (3) along the axial direction of the rim (1), and the energy absorbing space of the outer end of the energy absorbing member (3) is larger than or equal to the energy absorbing space of the inner end of the energy absorbing member (3).

4. An automobile wheel for coping with small offset collision according to claim 2 or 3, characterized in that the outer end face of the energy absorbing member (3) is flush with the inner side face of the rim (1) or slightly set back in the axial direction of the rim (1).

5. An automobile wheel for coping with small offset collision according to claim 2 or 3, wherein when the number of the energy absorbing members (3) is two or more, a gap is provided between two adjacent energy absorbing members (3) in the circumferential direction of the rim (1).

6. A vehicle wheel for coping with small offset collisions according to claim 2 or 3, wherein said energy absorbing member (3) has a rectangular, triangular or L-shaped cross-section in the axial direction of the rim (1).

7. The automobile wheel for dealing with small offset collision according to claim 1 is characterized in that the edge of the inner side of the rim (1) is provided with a tilting part (11) tilting outwards, the energy absorbing piece (3) is arranged along the tilting part (11), and the energy absorbing piece (3) is attached to the inner side wall of the tilting part (11).

8. The vehicle wheel for dealing with small offset collision according to claim 7, characterized in that the energy absorbing member (3) has a semi-ring long-bar shape or a circular ring shape.

9. An automobile wheel for handling small offset impacts according to claim 1 or 2 or 7, characterised in that the energy absorbing member (3) is secured to the rim (1) by means of fasteners.

10. The automobile wheel for small offset collision according to claim 1, 2 or 7, characterized in that the energy absorbing member (3) is fixedly welded to the rim (1), or the energy absorbing member (3) and the rim (1) are of an integral structure.

Technical Field

The invention belongs to the technical field of automobiles, and relates to an automobile wheel for coping with small offset collision.

Background

When an automobile is collided, for example, the front side is in small offset collision of 25 percent, the force transmission path of the collision mode is special, and energy absorption structures such as an energy absorption box and a front longitudinal beam of a conventional automobile body can hardly participate in energy absorption, so that the collision is very easy to cause serious injury to passengers. Most of the existing solutions are realized by adopting a mode of enhancing a body-in-white structure, but the mode easily causes performance redundancy and excessively increases the weight of a vehicle body.

In view of the above problems, people have made various designs, and some have made improvements to the structure of the automobile wheel, for example, chinese patent literature discloses a cooling type automobile hub [ application number: 201320871452.8, respectively; authorization notice number: CN203666243U ], which comprises a body, wherein the body is provided with a plurality of spokes uniformly arranged on the circumference, the spokes are in impeller-shaped structures, the two side faces of the spokes are provided with reinforcing ribs, an energy-absorbing ring is connected between every two spokes, and the inner side wall of the body is provided with a plurality of fins uniformly arranged on the circumference.

According to the automobile hub with the structure, one side, provided with the auxiliary plate, of the automobile hub is the outer side, the reinforcing rib is arranged on the auxiliary plate, namely the strength of the outer side of the automobile hub is stronger, and the strength of the inner side of the automobile hub is weaker due to the fact that the automobile hub is of a hollow structure. When a small offset collision occurs to an automobile, the inner side of an automobile hub is more easily deformed, and obviously, the energy absorption ring is arranged between the two webs, and the outer side of the automobile hub is not easy to deform, so that the energy absorption ring cannot be crushed in time, and the energy absorption ring cannot play a good energy absorption role, namely, when the small offset collision occurs to the automobile hub, too much impact energy cannot be absorbed, impact force generated by the collision is directly transmitted to a co-driver cab and a cab, and the danger to passengers is large.

Disclosure of Invention

The invention aims to provide an automobile wheel for small offset collision aiming at the problems in the prior art, and solves the technical problems of how to strengthen the weak area of the wheel in the collision process and increase the energy absorption effect when the wheel deforms.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a reply auto wheel of little offset collision, includes the rim and sets up the spoke in the rim outside, at least one energy-absorbing piece has been linked firmly in the rim, the energy-absorbing piece sets up along the inboard border of rim, just the energy-absorbing piece pastes and leans on the inside wall of rim.

When the car takes place the small offset collision, because the outside of rim has the spoke to support, the deflection is less, the inboard of rim is hollow structure, the deflection is big, energy-absorbing spare sets up the border department at the rim inboard, and energy-absorbing spare pastes and leans on the inside wall setting at the rim, when the rim inboard takes place to warp, the quilt conquassation that energy-absorbing spare can be timely, the impact force that the collision produced is absorbed in the conquassation of energy-absorbing spare, reduce automobile body speed, injury to passenger when effectual reduction car small offset collision, and the safety is improved. The energy-absorbing part is additionally arranged on the inner side of the rim of the automobile wheel, and the arrangement of the energy-absorbing part strengthens the weak area of the wheel in the collision process, so that the energy-absorbing effect of the wheel under the condition of the same deformation is improved, and the small offset collision performance is improved under the condition of not redesigning a body-in-white structure.

In foretell auto wheel of reply little offset collision, the inboard border of rim has the perk portion of outside perk, along the axial of rim, the outer end of energy-absorbing piece is located perk portion department, the clearance has between the outer end of energy-absorbing piece and the perk portion, the inner of energy-absorbing piece extends to the centre department of rim, the inner of energy-absorbing piece is laminated with the inboard wall of rim mutually. The inner end of the energy absorbing piece extends to the middle of the rim, so that the inner space of the rim is reasonably utilized, the volume of the energy absorbing piece is larger, larger impact force of collision can be absorbed when the energy absorbing piece is crushed, and the safety is improved; in the driving process of the wheel, the rim bears certain force, particularly the tilting parts on two sides of the rim have the problem of vibration, a gap is formed between the outer end of the energy-absorbing part and the tilting parts, the influence of the vibration of the tilting parts on the two sides of the rim on the energy-absorbing part is reduced, and the mounting stability of the energy-absorbing part is improved.

In the automobile wheel for dealing with small offset collision, along the axial direction of the rim, the cross section area of the outer end of the energy absorbing piece is larger than or equal to that of the inner end of the energy absorbing piece, and the energy absorbing space of the outer end of the energy absorbing piece is larger than or equal to that of the inner end of the energy absorbing piece. Because there is the spoke to support the outside of rim, along the axial of rim, the rim of keeping away from the spoke more weakens, and the rim of keeping away from the spoke more easily warp promptly more, foretell structure makes the weakest position of rim set up more energy-absorbing spaces, improves the energy-absorbing effect of energy-absorbing piece when the rational utilization space, improves the security of car.

In the above-described automobile wheel for coping with small offset collision, the outer end surface of the energy absorbing member is disposed flush with or slightly recessed from the inner side surface of the rim in the axial direction of the rim. The energy absorbing part is integrally positioned in the rim, the energy absorbing part does not protrude, the influence of splashed broken stones, rainwater and the like on the energy absorbing part is reduced, the stability of the energy absorbing part is improved, and the energy absorbing part is not easy to lose efficacy.

In the automobile wheel for coping with small offset collision, when the number of the energy absorbing pieces is more than or equal to two, a gap is formed between two adjacent energy absorbing pieces along the circumferential direction of the rim. This kind of structure, firstly with the setting of staggering that spare and accessory part in the rim can be better set up, secondly when the car went, reduced the vibration of rim to the influence of two adjacent energy-absorbing pieces, improved the stability of energy-absorbing piece, made the energy-absorbing piece be difficult for becoming invalid.

In the automobile wheel for small offset collision, the cross section of the energy absorbing piece is rectangular, triangular or L-shaped along the axial direction of the rim. By the structure, the energy absorbing piece can better utilize the space inside the rim.

As another aspect, in the above-mentioned automobile wheel for small offset collision, the rim has an edge on the inner side thereof having a raised portion raised outward, the energy absorbing member is disposed along the raised portion, and the energy absorbing member abuts against an inner sidewall of the raised portion. When in small offset collision, the tilting part at the inner side of the rim is most easily deformed, and the energy-absorbing part is arranged at the position and is most easily crushed, so that the energy-absorbing part can better absorb energy and improve the safety; meanwhile, the energy absorbing piece is only located at the edge of the inner side of the rim and does not penetrate into the rim, namely the space inside the rim is not occupied.

In the automobile wheel for dealing with small offset collision, the energy absorbing piece is in a semi-ring long strip shape or a circular ring shape. When the energy absorbing piece is arranged at the edge of the inner side of the rim and does not extend into the inner part of the rim, the shape is adopted, so that the energy absorbing piece is more favorable for absorbing impact force generated by collision.

In the automobile wheel for dealing with small offset collision, the energy absorbing piece is fixedly connected with the wheel rim through a fastening piece. The wheel is fixedly connected through the fasteners, fixing points can be shared with parts in the wheel rim, and the structure of the wheel does not need to be changed.

As another aspect, in the automobile wheel for small offset collision, the energy absorbing member is fixedly connected to the rim by welding, or the energy absorbing member and the rim are of an integral structure. No additional connecting piece is needed.

Compared with the prior art, the automobile wheel for dealing with small offset collision provided by the invention has the following advantages:

1. according to the automobile wheel, the energy absorption piece is arranged on the inner side of the rim, so that the weak area of the wheel in the collision process is enhanced, the energy absorption effect of the wheel under the condition of the same deformation is improved, and the small offset collision performance is improved under the condition that a body-in-white structure is not required to be redesigned.

2. This auto wheel's energy-absorbing piece rational utilization rim's inner structure when setting up makes energy-absorbing piece rational utilization space when having the biggest energy-absorbing effect, and energy-absorbing piece is not influenced each other, and energy-absorbing piece and the inside spare part of rim are also not influenced simultaneously, and is rational in infrastructure.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of an automobile wheel for small offset collision.

FIG. 2 is a schematic view showing the installation position of an energy absorbing member of a first embodiment of an automobile wheel which is intended to cope with a small offset collision.

FIG. 3 is a schematic view showing the mounting position of the energy absorbing member of the second embodiment of the automobile wheel for small offset collision.

FIG. 4 is a schematic view showing the installation position of the energy absorbing member of the third embodiment of the automobile wheel for small offset collision.

FIG. 5 is a schematic view showing the installation position of the energy absorbing member of the fourth embodiment of the automobile wheel for small offset collision.

In the figure, 1, the rim; 11. a raised portion; 2. a spoke; 3. an energy absorbing member.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, the automobile wheel to cope with small offset collision includes a rim 1, a disc 2 disposed outside the rim 1, and an energy absorber 3 disposed inside the rim 1.

In this embodiment, the number of the energy absorbing members 3 is four, the energy absorbing members 3 are fixedly connected with the rim 1 through fasteners such as bolts, and a gap is formed between two adjacent energy absorbing members 3 along the circumferential direction of the rim 1, in actual production, the number of the energy absorbing members 3 can be one or six, the energy absorbing members 3 are fixedly connected with the rim 1 through rivets, or the energy absorbing members 3 are fixedly connected with the rim 1 through welding, or the energy absorbing members 3 and the rim 1 are of an integrated structure.

The energy absorbing element 3 is arranged along the edge of the inner side of the rim 1, and the energy absorbing element 3 rests against the inner side wall of the rim 1. Specifically, the edge of the inner side of the rim 1 is provided with a tilting part 11 tilting outwards, the cross section of the energy absorbing piece 3 is rectangular along the axial direction of the rim 1, the outer end of the energy absorbing piece 3 is positioned at the tilting part 11, a gap is formed between the outer end of the energy absorbing piece 3 and the tilting part 11, the inner end of the energy absorbing piece 3 extends to the middle of the rim 1, and the inner end of the energy absorbing piece 3 is attached to the inner side wall of the rim 1.

As shown in fig. 2, in this embodiment, in the axial direction of the rim 1, the cross-sectional area of the outer end of the energy absorbing member 3 is equal to the cross-sectional area of the inner end of the energy absorbing member 3, the energy absorbing space of the outer end of the energy absorbing member 3 is equal to the energy absorbing space of the inner end of the energy absorbing member 3, the outer end surface of the energy absorbing member 3 is flush with the inner side surface of the rim 1, in actual production, in the axial direction of the rim 1, the cross-sectional area of the outer end of the energy absorbing member 3 is larger than the cross-sectional area of the inner end of the energy absorbing member 3, the energy absorbing space of the outer end of the energy absorbing member 3 is larger than the energy absorbing space.

When an automobile is in small offset collision, the inner side of the rim 1 is deformed by collision, so that the energy absorbing piece 3 arranged at the edge of the inner side of the rim 1 is crushed and deformed to absorb impact energy, and the damage of impact force generated by collision to a cab is reduced.

Example two

As shown in fig. 3, this embodiment is substantially the same in structure and principle as the first embodiment, except that the energy absorbing member 3 has a triangular cross-section in the axial direction of the rim 1.

EXAMPLE III

As shown in fig. 4, this embodiment is substantially the same in structure and principle as the first embodiment, except that the energy absorbing member 3 has an L-shaped cross section in the axial direction of the rim 1.

Example four

As shown in fig. 5, the structure and principle of the present embodiment are substantially the same as those of the first embodiment, except that in the present embodiment, the edge of the inner side of the rim 1 has an outward-tilted raised portion 11, the energy absorbing member 3 is disposed along the raised portion 11, the energy absorbing member 3 is attached to the inner sidewall of the raised portion 11, the energy absorbing member 3 has a semi-ring-shaped strip shape, and in actual production, the energy absorbing member 3 may have a ring shape.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms rim 1, turnup 11, spoke 2, energy absorber 3, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.