WO2018113772A1

WO2018113772A1 - Vehicle and front longitudinal beam thereof

Info

Publication number: WO2018113772A1
Application number: PCT/CN2017/117962
Authority: WO
Inventors: 杨传义; 程铭; 郑望; 秦乐; 申学开; 李硕; 靖海涛; 尹长久; 泰奥巴尔迪达尼洛; 郑鑫
Original assignee: 上海蔚来汽车有限公司
Priority date: 2016-12-23
Filing date: 2017-12-22
Publication date: 2018-06-28

Abstract

Provided are a vehicle and a front longitudinal beam thereof, the front longitudinal beam (1) comprising a body (10) basically extending along the front to rear direction (x) of the vehicle, and further comprising an envelope member (2) located on the body (10), wherein the envelope member (2) is provided with a cavity (20) penetrating in the width direction (y) of the vehicle, and the cavity (20) forms an envelope space (22). The front longitudinal beam (1), by arranging an envelope space (22) of an envelope member (2) on the body (10) thereof, provides an assembly and movement space for the arrangement of a transmission shaft (61), and the envelope space (22) ensures the overall integrity of the front longitudinal beam (1).

Description

车及其前纵梁Car and its front side member

技术领域Technical field

本发明属于车身结构设计领域，具体说设计一种前纵梁。The invention belongs to the field of vehicle body structure design, in particular to design a front longitudinal beam.

本发明还涉及一种包括了上述前纵梁的车辆。The invention also relates to a vehicle comprising the front side rail described above.

背景技术Background technique

前纵梁是传统车身结构中重要的承载件，同时也是正面碰撞时吸能的关键部件，在车身结构设计中需要重点关注。当其他部件的布置与前纵梁发生干涉时，前纵梁的设计就面临着挑战，因为在车身结构上修修补补的方式难以满足严格的碰撞和安全要求。The front longitudinal beam is an important bearing in the traditional body structure, and it is also a key component for energy absorption in frontal collision. It needs to be paid attention to in the design of the body structure. When the arrangement of other components interferes with the front longitudinal beam, the design of the front longitudinal beam faces challenges because it is difficult to meet the strict collision and safety requirements in the repair of the vehicle body structure.

发明内容Summary of the invention

本发明的一个方面涉及一种前纵梁，所述前纵梁包括基本沿车辆前后方向延伸的本体，以及还包括位于所述本体上的包络件，所述包络件具有在车宽方向上贯通的腔，所述腔形成一个包络空间。One aspect of the invention relates to a front side member including a body extending substantially in a front-rear direction of a vehicle, and further comprising an envelope member on the body, the envelope member having a vehicle width direction An upper through cavity that forms an envelope space.

可选地，在上述前纵梁中，所述包络件的包络空间在车辆前后方向上是封闭的。Optionally, in the front side member, the envelope space of the envelope is closed in the front and rear direction of the vehicle.

可选地，在上述前纵梁中，所述包络件是所述前纵梁的本体上的一部分或者所述前纵梁的本体上设有开口，所述包络件通过螺接、铆接、焊接、和粘接连接中的至少一种填充所述开口。Optionally, in the front side member, the envelope member is a part of the body of the front side member or the body of the front side member is provided with an opening, and the envelope member is screwed and riveted. At least one of a soldering, bonding, and bonding connection fills the opening.

可选地，在上述前纵梁中，所述包络件是一体成型的冲压件、挤出件或铸件，或者所述包络件包括多个经冲压、挤出或铸造成型的子部分，并且由这些子部分通过螺接、铆接、焊接、和粘接连接中的至少一种拼装制成。Optionally, in the front side member, the envelope member is an integrally formed stamping member, an extrusion member or a casting, or the envelope member comprises a plurality of stamped, extruded or cast sub-portions. And these sub-portions are assembled by at least one of screwing, riveting, welding, and bonding.

可选地，在上述前纵梁中，所述包络件包括界定所述包络空间的封闭部，所述封闭部在沿车宽的一侧方向上具有与所述封闭部的形状匹配的第一壁，所述第一壁通过螺接、铆接、焊接、和粘接连接中的至少一种附接到所述本体的一侧上。Optionally, in the front side member, the envelope member includes a closure portion defining the envelope space, the closure portion having a shape matching the shape of the closure portion in a direction along a side of the vehicle width A first wall, the first wall being attached to one side of the body by at least one of screwing, riveting, welding, and adhesive bonding.

可选地，在上述前纵梁中，所述包络件还包括在所述封闭部的沿车宽的相反侧方向上的与所述封闭部的形状匹配的第二壁，所述第二壁通过螺接、铆接、焊接、和粘接连接中的至少一种附接到所述本体的另一侧上。Optionally, in the front side member, the envelope member further includes a second wall matching the shape of the closing portion in a direction opposite to the vehicle width of the closing portion, the second The wall is attached to the other side of the body by at least one of a threaded, riveted, welded, and bonded connection.

可选地，在上述前纵梁中，所述封闭部在底部具有沿车辆前后方向延展的底边，所述底边通过螺接、铆接、焊接、和粘接连接中的至少一种与所述本体的底部附接；所述底边具有沿上下方向的厚度，所述厚度补偿所述前纵梁的本体的高度差，所述高度差形成于所述封闭部的车辆前、后方向之间。Optionally, in the front side member, the closing portion has a bottom edge extending in the front-rear direction of the vehicle at the bottom, the bottom edge being at least one of a screwing, riveting, welding, and bonding connection. The bottom of the body is attached; the bottom edge has a thickness in an up and down direction, the thickness compensating for a height difference of the body of the front side member, and the height difference is formed in a front and rear direction of the vehicle in the closed portion between.

可选地，在上述前纵梁中，所述底边的下方设有沿车辆前后方向延伸的至少一根肋。Optionally, in the front side member, at least one rib extending in the front-rear direction of the vehicle is disposed below the bottom edge.

可选地，在上述前纵梁中，所述第一壁、所述第二壁、或所述底边上分布多个沉孔，对应于所述多个沉孔，所述前纵梁的本体上设有多个孔，所述包络件的多个沉孔与所述前纵梁的本体的多个孔通过铆钉、螺栓、和自攻螺钉中的至少一种连接。Optionally, in the front side member, a plurality of counterbore holes are distributed on the first wall, the second wall, or the bottom edge, corresponding to the plurality of counterbore, the front side member The body is provided with a plurality of holes, and the plurality of counter holes of the envelope are connected to the plurality of holes of the body of the front side frame by at least one of a rivet, a bolt, and a self-tapping screw.

本发明的另一方面涉及一种车辆，其包括前述任一项所述的前纵梁和基本沿车宽方向的传动轴，所述传动轴穿过所述包络空间。Another aspect of the invention relates to a vehicle comprising the front side member of any of the preceding claims and a drive shaft substantially along a vehicle width direction, the drive shaft passing through the envelope space.

本前纵梁通过在其本体上设置包络件的包络空间，为传动轴的布置提供了装配和运动空间，而且包络空间保证了前纵梁的整体强度。该包络空间在车辆的前后方向是封闭的，以满足前纵梁在相同方向上的强度，同时该包络空间在车宽方向上贯通的，使得传动轴可以通过。The front longitudinal beam provides an assembly and movement space for the arrangement of the drive shaft by providing an envelope space of the envelope on its body, and the envelope space ensures the overall strength of the front longitudinal beam. The envelope space is closed in the front-rear direction of the vehicle to satisfy the strength of the front longitudinal beam in the same direction, and the envelope space penetrates in the vehicle width direction so that the transmission shaft can pass.

前纵梁的形成可以有多种形式，取决于成型工艺，前纵梁既可以与包络件是一体成型，也可以是分开制成，然后通过一定的连接方式连接在一起。对于包络件，同样取决于成型工艺，其既可以是一体成型，也可以由多个子部分通过一定的连接方式瓶装制成。因此，这给前纵梁和包络件的设计和制造带来了诸多方便。The formation of the front side members can take many forms. Depending on the forming process, the front side members can be integrally formed with the envelope members, or they can be made separately and then joined together by a certain connection. For the envelope part, it also depends on the molding process, which can be either integrally formed or bottled by a plurality of sub-portions through a certain connection. Therefore, this brings a lot of convenience to the design and manufacture of the front side members and the envelope members.

包络件可以仅通过第一壁安装到前纵梁上，或者通过第一壁和第二壁安装到前纵梁上，设置第二壁的优点在于可以强化前纵梁。The envelope member may be mounted to the front longitudinal member only by the first wall or to the front longitudinal member by the first wall and the second wall, the advantage of providing the second wall is that the front longitudinal member can be reinforced.

本发明涉及的再一个方面为前纵梁后段封闭结构，该前纵梁后段封闭结构包括前纵梁后段本体，还包括：A further aspect of the present invention relates to a front side rail rear section closed structure, the front side rail rear section closed structure comprising a front side rail rear section body, and further comprising:

第一连接部件，所述第一连接部件附接于所述前纵梁后段本体的一个片段上，并且具有横向上连通的缺口；以及a first connecting member attached to a segment of the front side member of the front side member and having a laterally communicating notch;

第二连接部件，所述第二连接部件可拆卸地装配于所述第一连接部件上以封闭所述第一连接部件的缺口从而形成用于安装其它部件的空间。a second connecting member detachably fitted to the first connecting member to close a notch of the first connecting member to form a space for mounting other members.

本发明的前纵梁后段采用的是可拆卸连接的分体式结构。通过第一连接部件、第二连接部件形成后段封闭结构后，既留出了传动轴的装配、拆卸和运动空间，又保证了前纵梁的整体强度。采用该结构，前纵梁和车身地板之间的相对高度可以降得很低，提高前纵梁的碰撞性能。The rear section of the front side member of the present invention employs a detachably connected split structure. After the rear connecting structure is formed by the first connecting member and the second connecting member, the assembly, disassembly and movement space of the transmission shaft are reserved, and the overall strength of the front longitudinal beam is ensured. With this structure, the relative height between the front side member and the vehicle body floor can be lowered to a low level, and the collision performance of the front side member is improved.

可选地，在上述前纵梁后段封闭结构中，所述第一连接部件的底部连同所述前纵梁后段本体形成有所述缺口。该封闭结构利用了前纵梁的部分空间，从而安装更紧凑且保证了强度。Optionally, in the front side rail rear section closing structure, the bottom of the first connecting member is formed with the notch along with the front side rail rear section body. The enclosed structure utilizes a portion of the space of the front side member to provide a more compact installation and strength.

可选地，在上述前纵梁后段封闭结构中，所述前纵梁后段本体与所述第一连接部件为焊接连接；所述第一连接部件与所述第二连接部件为螺栓连接，所述第一连接部件与所述第二连接部件上均设有螺栓过孔，通过螺栓实现连接。Optionally, in the front side rail rear section closed structure, the front side rail rear section body is welded to the first connecting part; the first connecting part and the second connecting part are bolted The first connecting member and the second connecting member are each provided with a bolt through hole, and the connection is realized by a bolt.

可选地，在上述前纵梁后段封闭结构中，所述第一连接部件与所述第二连接部件之间的所述螺栓连接至少有两处，其中第一螺栓连接为第一方向上的连接，第二螺栓连接为垂直于所述第一方向的第二方向上的连接。Optionally, in the front side frame rear-end closed structure, the bolt connection between the first connecting member and the second connecting member is at least two, wherein the first bolt connection is in the first direction The connection, the second bolt connection is a connection in a second direction perpendicular to the first direction.

可选地，在上述前纵梁后段封闭结构中，所述第一方向为上下方向，并且所述第一螺栓连接在所述前纵梁后段封闭结构的相对靠前位置；所述第二方向为横向方向，并且所述第二螺栓连接在所述前纵梁后段封闭结构的相对靠后位置。Optionally, in the front side frame rear-end closed structure, the first direction is an up-and-down direction, and the first bolt is connected to a front-front position of the front side frame rear-end closed structure; The two directions are transverse directions, and the second bolt is connected at a relatively rearward position of the rear section of the front side member.

本发明的前纵梁后段封闭结构考虑了空间布局以及多个方向上的定位和连接，使得第二连接部件牢固且方便地安装于第一连接部件上。The front side member rear section closure structure of the present invention allows for a spatial layout and positioning and attachment in a plurality of directions such that the second attachment member is securely and conveniently mounted to the first attachment member.

可选地，在上述前纵梁后段封闭结构中，所述第一连接部件与所述第二连接部件之间还设置有第一齿导向结构，所述第一齿导向结构包括第一凸起部和配合于所述第一凸起部的凹陷部，所述第一凸起部设置于所述第一连接部件与所述第二连接部件的其中一者上，所述凹陷部设置于另一者上。Optionally, in the front side frame rear-end closed structure, a first tooth guiding structure is further disposed between the first connecting component and the second connecting component, and the first tooth guiding structure includes a first convex a lifting portion and a recess portion of the first protruding portion, the first protruding portion being disposed on one of the first connecting member and the second connecting member, wherein the recess portion is disposed on The other one.

可选地，在上述前纵梁后段封闭结构中，所述第一连接部件与所述第二连接部件之间还设置有第二齿导向结构，所述第二齿导向结构包括第二凸起部和所述第二凸起部能够嵌入的约束部，所述第二凸起部、所述约束部上均设有螺栓过孔以供螺栓穿入，所述第二凸起部设置于所述第一连接部件与所述第二连接部件的其中一者上，所述约束部形成于另一者的横向相对两侧上。Optionally, in the front side frame rear-end closed structure, a second tooth guiding structure is further disposed between the first connecting member and the second connecting member, and the second tooth guiding structure includes a second convex a restraining portion into which the upper portion and the second convex portion can be embedded, wherein the second convex portion and the constraining portion are respectively provided with a bolt through hole for the bolt to penetrate, and the second convex portion is disposed at On one of the first connecting member and the second connecting member, the restraining portions are formed on laterally opposite sides of the other.

组成前纵梁后段的第一连接部件、第二连接部件上均设有齿状的凸起特征，不仅起到装配导向的作用，啮合后又起到加强纵梁强度的作用。The first connecting member and the second connecting member constituting the rear portion of the front longitudinal beam are provided with tooth-shaped convex features, which not only serve as an assembly guide, but also serve to strengthen the strength of the longitudinal beam after meshing.

可选地，在上述前纵梁后段封闭结构中，所述第一连接部件上布置有多个减重孔；所述第二连接部件的底部上设置纵向筋条。Optionally, in the front side frame rear-end closed structure, a plurality of lightening holes are disposed on the first connecting member; and a longitudinal rib is disposed on a bottom of the second connecting member.

可选地，在上述前纵梁后段封闭结构中，所述第二连接部件上还设置有与所述前纵梁后段本体和前副车架连接的安装孔，以及在所述第二连接部件的一侧上设有用于匹配所述前副车架工装的定位孔。Optionally, in the front side frame rear-end closed structure, the second connecting member is further provided with a mounting hole connected to the front longitudinal beam rear section body and the front sub-frame, and in the second A positioning hole for matching the front sub-frame tooling is provided on one side of the connecting member.

第二连接部件上设计了工装结构，用于配合前副车架工装，能够和前副车架一起快速定位和安装到车身上。The second connecting part is designed with a tooling structure for matching the front sub-frame tooling, and can be quickly positioned and mounted to the vehicle body together with the front sub-frame.

本发明涉及的再另一方面为一种电动汽车，包括设置于前车身内的电机以及两根前纵梁，所述电机在所述前纵梁之间，所述前纵梁具有以上所述的前纵梁后段封闭结构，由所述第一连接部件的缺口形成的空间用于接收所述电机的传动轴。Still another aspect of the present invention relates to an electric vehicle including an electric motor disposed in a front body and two front side members, the electric machine being between the front side members, the front side member having the above The front side member rear section closing structure, the space formed by the notch of the first connecting member is for receiving the drive shaft of the motor.

该电动汽车由于采用了新的前纵梁后段封闭结构，在保证不影响碰撞性能和纵梁强度的同时，降低了纵梁自身的重量，同时兼顾了传动轴拆装的便利性，借助工装夹具能够实现快速定位与拆装。The electric vehicle adopts a new rear section of the front longitudinal beam to ensure that the weight of the longitudinal beam itself is reduced while ensuring the impact performance and the strength of the longitudinal beam, while taking into account the convenience of disassembly and assembly of the transmission shaft. The fixture enables quick positioning and disassembly.

通过以下参考附图的详细说明，本发明的其他方面和特征变得明显。但是应当知道，该附图仅仅为解释的目的设计，而不是作为本发明的范围的限定，这是因为其应当参考附加的权利要求。还应当知道，附图仅仅意图概念地说明此处描述的结构和流程，除非另外指出，不必要依比例绘制附图。Other aspects and features of the present invention will become apparent from the Detailed Description of the Drawing. It should be understood, however, that the drawings are intended for purposes of illustration only and are not intended to It is also to be understood that the drawings are not intended to

附图说明DRAWINGS

结合附图参阅以下具体实施方式的详细说明，将更加充分地理解本发明，附图中同样的参考附图标记始终指代视图中同样的元件。其中：The invention will be more fully understood from the following detailed description of the embodiments of the invention. among them:

图1为根据本发明的前纵梁的一种实施例的结构示意图；Figure 1 is a schematic view showing the structure of an embodiment of a front side member according to the present invention;

图2－3分别为从前面和后面看到的根据本发明的包络件的一种实施例的立体图；2-3 are perspective views, respectively, of an embodiment of an envelope member according to the present invention as seen from the front and the back;

图4为图2－3中的包络件的仰视图，从图中可以看到肋；Figure 4 is a bottom view of the envelope of Figure 2-3, from which the rib can be seen;

图5为根据本发明的前纵梁的另一种实施例的结构示意图，由该图可看到包络件的后面结构；Figure 5 is a schematic view showing the structure of another embodiment of the front side member according to the present invention, from which the rear structure of the envelope member can be seen;

图6为大致示意出根据本发明的包络件与电机传动轴的经布置的状态图；Figure 6 is a schematic view showing the arrangement of the envelope member and the motor drive shaft according to the present invention;

图7是本发明涉及的前纵梁后段封闭结构的一个实施例的分解示意图；Figure 7 is an exploded perspective view showing an embodiment of a rear side frame closing structure according to the present invention;

图8是图7中A-A截面的示意图；Figure 8 is a schematic view of the A-A section of Figure 7;

图9是本发明涉及的前纵梁后段封闭结构中第二连接部件的一个实施例的结构示意图；9 is a schematic structural view of an embodiment of a second connecting member in a rear side frame closed structure according to the present invention;

图10是本发明涉及的前纵梁后段封闭结构组装后的示意图；以及Figure 10 is a schematic view of the assembled structure of the rear side member of the front side frame according to the present invention;

图11是本发明涉及的经组装的前纵梁后段封闭结构在车身内的示意图。Figure 11 is a schematic illustration of the assembled front side rail rear section closure structure of the present invention in the vehicle body.

具体实施方式detailed description

为帮助本领域的技术人员能够确切地理解本发明要求保护的主题，下面结合附图详细描述本发明的具体实施方式。The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

参见图1，为本发明涉及的前纵梁的一种实施例的结构示意图。所述前纵梁1包括基本沿车辆前后方向延伸的本体10，该本体10实质为一个吸能盒，吸能盒包括数个基本沿循车辆前后方向的第一方向x延伸的空腔11，这些空腔11毗邻彼此布置，它们的截面可以是相同或不同的，可通过但不限于如挤出工艺制成。当车辆前部发生碰撞时，本体10吸收由在车辆前后方向上的冲击力产生的巨大能量，并且导致吸能盒在该方向上挤压并收缩变形，由此保护了前纵梁后方，如乘客舱的空间。1 is a schematic structural view of an embodiment of a front side member according to the present invention. The front side member 1 includes a body 10 extending substantially in the front-rear direction of the vehicle. The body 10 is substantially an energy absorbing box, and the energy absorbing box includes a plurality of cavities 11 extending substantially in a first direction x in the longitudinal direction of the vehicle. These cavities 11 are arranged adjacent to each other, and their cross sections may be the same or different and may be made by, but not limited to, an extrusion process. When the front portion of the vehicle collides, the body 10 absorbs the enormous energy generated by the impact force in the front-rear direction of the vehicle, and causes the energy absorbing box to be pressed and contracted in the direction, thereby protecting the rear of the front side member, such as The space in the passenger compartment.

前纵梁1还包括位于本体10上的包络件2，该包络件2具有在基本沿循车辆左右方向(车宽方向，或者称为横向)的第二方向y上贯通的腔20，其他部件可以经由腔20穿过。包络件2形成在本体10上，可以视为与本体10一体成型，也可以是与本体10连接而成，并作为本体10的一部分。腔20形成一个包络空间22，该包络空间22是在本体10上形成的一个封闭的空间，特别是在车辆前后方向上该空间是封闭的，以满足前纵梁的强度要求。The front side member 1 further includes an envelope member 2 on the body 10, the envelope member 2 having a cavity 20 penetrating in a second direction y substantially in the left-right direction of the vehicle (vehicle width direction, or lateral direction), Other components may pass through the cavity 20. The envelope member 2 is formed on the body 10 and may be considered to be integrally formed with the body 10 or may be connected to the body 10 and be a part of the body 10. The cavity 20 forms an envelope space 22 which is a closed space formed in the body 10, particularly in the longitudinal direction of the vehicle, to meet the strength requirements of the front stringer.

当前纵梁1的本体10和包络件2是两个分开的部件时，本体10上设有开口，包络件2可以通过螺接、铆接、焊接、和粘接连接中的至少一种填充该开口。当该开口为一个缺口时，包络件的加入可以填补该缺口，使得包络件2所在的前纵梁1的位置在车辆前后方向上是封闭的。When the body 10 and the envelope 2 of the longitudinal beam 1 are two separate components, the body 10 is provided with an opening, and the envelope 2 can be filled by at least one of screwing, riveting, welding, and bonding. The opening. When the opening is a notch, the addition of the envelope member can fill the gap so that the position of the front side member 1 where the envelope member 2 is located is closed in the front-rear direction of the vehicle.

对于包络件2，其可以是一体成型的冲压件、挤出件或铸件。图2－3示出为包络件的一种实施例的结构示意图，该包络件2为一体成型的金属铸件。当然，包络件2也可以由多个经冲压、挤出或铸造成型的子部分通过机械连接或其他连接方式拼装制成，这些连接可以是螺接、铆接、焊接、和粘接连接中的至少一种。例如，包络件可以包括上连接部分和下连接部分，两者之间通过螺栓连接或者分别与前纵梁的本体连接。腔被该上连接部分和下连接部分分成两个子腔，当上、下连接部分连接在一起后，形成完整的腔并进而形成纵向上封闭的包络空间，在下文中会有所介绍。For the envelope member 2, it may be an integrally formed stamping, extrusion or casting. 2-3 are schematic structural views of an embodiment of an envelope member that is an integrally formed metal casting. Of course, the envelope member 2 can also be assembled from a plurality of stamped, extruded or cast sub-portions by mechanical or other joining means, which can be screwed, riveted, welded, and bonded. At least one. For example, the envelope member may include an upper connecting portion and a lower connecting portion, which are connected by bolts or respectively to the body of the front side member. The cavity is divided into two sub-cavities by the upper connecting portion and the lower connecting portion. When the upper and lower connecting portions are joined together, a complete cavity is formed and a longitudinally closed envelope space is formed, which will be described later.

继续参见图2－3，包络件2包括封闭部24、第一壁26、和底边28。这些部分可以集成在一起，或者通过一定的连接方式拼装在一起。封闭部24界定了前述的包络空间22。该包络空间22在第一方向x上是封闭的；在第二方向y是贯通的，可用于其他部件穿过。封闭部24在沿第二方向y的一侧上具有与所述封闭部24的形状匹配的第一壁26，该第一壁26可以是板，其通过螺接、铆接、焊接、和粘接连接中的至少一种与本体10在相同的一侧上附接，由此将包络件2安装到前纵梁上1。With continued reference to FIGS. 2-3, the envelope 2 includes a closure portion 24, a first wall 26, and a bottom edge 28. These parts can be integrated together or assembled together by a certain connection. The closure portion 24 defines the aforementioned envelope space 22. The envelope space 22 is closed in the first direction x; it is penetrated in the second direction y and can be used for other components to pass through. The closure portion 24 has a first wall 26 that matches the shape of the closure portion 24 on a side along the second direction y, which may be a plate that is threaded, riveted, welded, and bonded At least one of the connections is attached to the body 10 on the same side, thereby mounting the envelope 2 to the front side member 1.

第一壁26上分布着多个孔或沉孔261，对应于这些多个孔或沉孔261，前纵梁1的本体10的一侧上设有多个孔(未示出)，第一壁26的多个孔或沉孔261与本体10的多个孔通过铆钉、螺栓、和自攻螺钉(如FDS工艺，自攻螺接)中的至少一种连接。A plurality of holes or counterbore 261 are disposed on the first wall 26, and corresponding to the plurality of holes or counterbore 261, a plurality of holes (not shown) are provided on one side of the body 10 of the front side member 1, first The plurality of holes or counterbore 261 of the wall 26 are joined to the plurality of holes of the body 10 by at least one of rivets, bolts, and self-tapping screws (e.g., FDS process, self-tapping).

封闭部24在底部具有沿纵向延展的底边28。该底边28通过螺接、铆接、焊接、和粘接连接中的至少一种与前纵梁1的本体10的底部附接。底边28具有沿基本沿循车辆上下方向(或称为垂直方向)的第三方向z的厚度，底边28烦人该厚度在第一方向x上可以是不一致的。由图1可见，前纵梁1的本体10沿第一方向x上具有不同的高度，高度差就形成在本体10的开口处，前方的本体截面空腔数量大于后方的本体截面空腔。底边28的厚度由此可以补偿该高度差，即其前方的厚度较小，后方的厚度较大。这样既保证了包络空间22的正常使用，也保证了前纵梁1在车辆前后方向上的强度。The closure portion 24 has a bottom edge 28 that extends longitudinally at the bottom. The bottom edge 28 is attached to the bottom of the body 10 of the front side rail 1 by at least one of screwing, riveting, welding, and bonding. The bottom edge 28 has a thickness along a third direction z that substantially follows the vehicle up and down direction (or referred to as the vertical direction), and the bottom edge 28 is annoying that the thickness may be inconsistent in the first direction x. As can be seen from Fig. 1, the body 10 of the front side member 1 has different heights in the first direction x, and a height difference is formed at the opening of the body 10, and the number of the front body section cavities is larger than the rear body section cavities. The thickness of the bottom edge 28 can thereby compensate for this height difference, i.e. the thickness in front of it is small and the thickness in the rear is large. This ensures both the normal use of the envelope space 22 and the strength of the front side member 1 in the longitudinal direction of the vehicle.

参见图4，底边的下方还可以设有沿第一方向x延伸的肋29，该肋29的数量可以是但不限于如图所示的一根，以进一步增强该方向上的强度。Referring to Fig. 4, a rib 29 extending in a first direction x may be provided below the bottom edge, and the number of the ribs 29 may be, but not limited to, one as shown to further enhance the strength in the direction.

底边28上分布着多个孔或沉孔281，对应于这些多个孔或沉孔281，前纵梁1的本体10底部上设有多个孔(未示出)，底边28的多个孔或沉孔281与本体10的多个孔通过铆钉、螺栓、和自攻螺钉(如FDS工艺，自攻螺接)中的至少一种连接。A plurality of holes or counterbore 281 are distributed on the bottom edge 28, and corresponding to the plurality of holes or counterbore 281, a plurality of holes (not shown) are provided on the bottom of the body 10 of the front side member 1, and the bottom edge 28 is provided. The holes or counterbore 281 are coupled to the plurality of holes of the body 10 by at least one of rivets, bolts, and self-tapping screws (eg, FDS process, self-tapping).

参见图5，示出了本发明涉及的前纵梁的另一实施例的结构示意图。该前纵梁的本体10上设置具有第一方向x上封闭、第二方向y上贯通的包络空间22的包络件2，其结构与前一种实施例的结构基本一致，区别在于，除了第一壁，包络件还包括在封闭部的沿第二方向y的相反侧上的第二壁27。该第二壁27为板，其形状大致与第一壁对称，并具有与封闭部的形状匹配的缺口。但是，出于包络件的安装考虑，第二壁27与封闭部26最好为分开设置。第二壁27通过螺接、铆接、焊接、和粘接连接中的至少一种与本体的另一侧附接。第二壁可以被视为是前纵梁的强度加强件。Referring to Figure 5, there is shown a block diagram of another embodiment of a front side member of the present invention. The body 10 of the front side member is provided with an envelope member 2 having an envelope space 22 which is closed in the first direction x and penetrates in the second direction y. The structure is basically the same as that of the previous embodiment, and the difference is that In addition to the first wall, the envelope further comprises a second wall 27 on the opposite side of the closure in the second direction y. The second wall 27 is a plate that is substantially symmetrical in shape to the first wall and has a notch that matches the shape of the closure. However, the second wall 27 and the closing portion 26 are preferably provided separately for the installation of the envelope member. The second wall 27 is attached to the other side of the body by at least one of screwing, riveting, welding, and adhesive bonding. The second wall can be considered as a strength stiffener for the front side member.

由图可知，第二壁27上分布着多个孔或沉孔271，对应于这些多个孔或沉孔271，前纵梁的本体10的另一侧上设有多个孔(未示出)，第二壁27的多个孔或沉孔271与本体的多个孔通过铆钉、螺栓、和自攻螺钉(如FDS工艺，自攻螺接)中的至少一种连接。As can be seen from the figure, a plurality of holes or counterbore 271 are distributed on the second wall 27, and corresponding to the plurality of holes or counterbore 271, a plurality of holes are provided on the other side of the body 10 of the front side member (not shown). The plurality of holes or counterbore 271 of the second wall 27 are connected to the plurality of holes of the body by at least one of rivets, bolts, and self-tapping screws (such as FDS process, self-tapping).

包络件2设置于前纵梁1的后段部分。包络件2的包络空间22用于传动轴61，尤其是在电动汽车上的电机传动轴61的横向(车辆左右方向)穿过，参见图6。当前，电动汽车一般将动力电池布置在车身地板下部，由于电池质量较大，电动汽车的整车质量一般会大于传统的燃油汽车。同时，电动汽车由于装配有大量的高压零部件，碰撞发生时要极力避免高压零部件(尤其是驱动电池)遭受到大的冲击。电池及其传动轴61为横向布置，该横向方向与前纵梁的纵向方向(车辆前后方向)基本正交。因为前纵梁1上设置了带包络空间22的包络件2，给传动轴61的安装留出了空间，因此前纵梁既避开了电机传动轴，还控制了前纵梁1与车身地板之间的高度，使得前纵梁1可以与前地板很近。同时，由于包络空间22在车辆前后向上是封闭的，保证了前纵梁1在车辆方向上的强度。这样就保证了前纵梁1的前部有着足够的吸能溃缩空间，以及前纵梁1的后部有足够的支撑强度，避免动力电池被破坏。The envelope member 2 is disposed at a rear portion of the front side member 1. The envelope space 22 of the envelope 2 is used for the drive shaft 61, in particular in the transverse direction (the left and right direction of the vehicle) of the motor drive shaft 61 on the electric vehicle, see FIG. At present, electric vehicles generally arrange the power battery in the lower part of the vehicle floor. Due to the large battery quality, the overall vehicle quality of the electric vehicle is generally greater than that of the conventional fuel vehicle. At the same time, electric vehicles are equipped with a large number of high-voltage components. When collision occurs, it is necessary to avoid high-voltage parts (especially driving batteries) from being greatly impacted. The battery and its drive shaft 61 are laterally arranged, which is substantially orthogonal to the longitudinal direction of the front side member (vehicle front and rear direction). Since the envelope member 2 with the envelope space 22 is provided on the front side member 1, a space is left for the installation of the transmission shaft 61, so that the front side member avoids both the motor drive shaft and the front side member 1 and The height between the body panels allows the front side rail 1 to be in close proximity to the front floor. At the same time, since the envelope space 22 is closed in the front and rear of the vehicle, the strength of the front side frame 1 in the vehicle direction is ensured. This ensures that the front portion of the front side member 1 has sufficient energy absorption and collapse space, and that the rear portion of the front side member 1 has sufficient supporting strength to prevent the power battery from being damaged.

参见图7，为本发明涉及的前纵梁的第三实施例的结构示意图。该前纵梁的本体10上设置具有第一方向x上封闭、第二方向y上贯通的包络空间22的包络件2。该包络件包括第一连接部件4(即上连接部件)和第二连接部件5(即下连接部件)。该本体10相对于整个前纵梁而言，可以是位于前纵梁的后方接近于副车架的部分。第一连接部件4可以通过螺接、铆接、焊接、和粘接连接中的至少一种填充本体的开口，第二连接部件5可拆卸地与第一连接部件4装配连接。第一连接部件4的造型配合本体10上切出的形状经设定的开口，以方便本体附接第一连接部件4。本体10例如可与第一连接部件4为焊接连接。第一连接部件4的底部上设有缺口，该缺口用于前纵梁附近的其它部件穿过。当第一连接部件4焊接于本体10上后，该缺口的开口向下，形成第二方向y(沿纸面穿入或穿出方向，图中未示出)上贯通的空间。第一连接部件4与第二连接部件5之间为螺栓连接。第一连接部件4与第二连接部件5上均设有螺栓过孔47、48、57(图9)、58(图9)。通过螺栓，第二连接部件5能够紧固于第一连接部件4上。当第二连接部件5连接到第一连接部件4上后，能够封闭第一连接部件4的缺口，该缺口从而形成用于安装其它部件的包络空间22(可以参看图10－11)。Referring to Fig. 7, a schematic structural view of a third embodiment of a front side member according to the present invention is shown. The body 10 of the front side member is provided with an envelope 2 having an envelope space 22 which is closed in the first direction x and penetrates in the second direction y. The envelope member includes a first connecting member 4 (ie, an upper connecting member) and a second connecting member 5 (ie, a lower connecting member). The body 10, relative to the entire front side member, may be a portion that is adjacent to the subframe at the rear of the front side member. The first connecting member 4 may fill the opening of the body by at least one of screwing, riveting, welding, and bonding, and the second connecting member 5 is detachably assembled to the first connecting member 4. The shape of the first connecting member 4 cooperates with the shape of the shape cut through the body 10 to facilitate the attachment of the first connecting member 4. The body 10 can be soldered to the first connecting part 4, for example. The bottom of the first connecting member 4 is provided with a notch for the passage of other components in the vicinity of the front side member. When the first connecting member 4 is welded to the body 10, the opening of the notch is downward, forming a space penetrating in the second direction y (in the direction in which the paper is penetrated or penetrated, not shown). A bolt connection is provided between the first connecting member 4 and the second connecting member 5.

Bolt vias

47, 48, 57 (Fig. 9), 58 (Fig. 9) are provided on both the first connecting member 4 and the second connecting member 5. The second connecting member 5 can be fastened to the first connecting member 4 by bolts. When the second connecting member 5 is attached to the first connecting member 4, the notch of the first connecting member 4 can be closed, which thus forms an envelope space 22 for mounting other components (see Figures 10-11).

本发明的包络件不再是焊接一体式结构，而是采用可拆卸连接的分体式结构。通过上下两个连接部件形成封闭的包络件后，既留出了传动轴61的装配、拆卸和运动空间，又保证了前纵梁的整体强度。The envelope of the present invention is no longer a welded unitary structure but a detachably connected split structure. After the closed envelope member is formed by the upper and lower connecting members, the assembly, disassembly and movement space of the transmission shaft 61 is reserved, and the overall strength of the front longitudinal beam is ensured.

回到并结合图7和图9，第一连接部件4与第二连接部件5之间的螺栓连接至少有两处。其中第一螺栓连接7为第三方向z上的连接，其在整个包络件的靠前位置。第二螺栓连接8为第二方向y上的连接，其在整个包络件的靠后位置。在靠前位置安排第三方向z的第一螺栓连接7、在靠后位置安排第二方向y的第二螺栓连接8符合前纵梁自身结构以及有利于节省空间。对于第一螺栓连接7，第一连接部件4的底部设螺栓过孔47，第二连接部件5上相应地设螺栓过孔57，由螺栓自下向上依次穿过第二连接部件5、第一连接部件4后紧固。螺栓过孔47、57的个数、孔径、位置等都通过尺寸设计和强度计算，其可以如图7、图9所示的两个螺栓过孔57错开的方式排布，也可以有其它的布置方式。对于第二螺栓连接8，第一连接部件4的相对两侧上各设螺栓过孔48，第二连接部件5在相应的地方上设螺栓过孔58，螺栓横向上依次穿过进行紧固以形成第二螺栓连接8(参见图8的下方)。Referring back to and in conjunction with Figures 7 and 9, there are at least two bolted connections between the first connecting member 4 and the second connecting member 5. The first bolt connection 7 is the connection in the third direction z, which is in the forward position of the entire envelope. The second bolt connection 8 is the connection in the second direction y, which is in the rearward position of the entire envelope. The first bolt connection 7 arranging the third direction z in the forward position and the second bolt connection 8 arranging the second direction y in the rear position conform to the structure of the front side member itself and contribute to space saving. For the first bolt connection 7, the bottom of the first connecting member 4 is provided with a bolt through hole 47, and the second connecting member 5 is correspondingly provided with a bolt through hole 57, which is sequentially passed from the bottom to the top through the second connecting member 5, first The connecting member 4 is fastened. The number, the aperture, the position, and the like of the bolt through

holes

47, 57 are calculated by dimensional design and strength, and may be arranged in such a manner that the two bolt through holes 57 shown in FIG. 7 and FIG. 9 are staggered, or may have other Arrangement. For the second bolt connection 8, the opposite side of the first connecting member 4 is provided with a bolt through hole 48, and the second connecting member 5 is provided with a bolt through hole 58 at a corresponding place, and the bolt is sequentially passed through in the lateral direction to be fastened. A second bolted connection 8 is formed (see the lower portion of Figure 8).

第一连接部件4、第二连接部件5之间还设有齿导向结构，包括第一齿导向结构和第二齿导向结构。第一齿导向结构包括第一连接部件4的底部上设置的两个第一凸起部42以及相应地第二连接部件5上设置的两个凹陷部52，两个第一凸起部42可***两个对应凹陷部52中。第一凸起部42为齿形。第一齿导向结构不仅有导向的作用，而且齿的啮合还起到加强强度的作用。本领域技术人员可想得到的是，也可以在第一连接部件4上设置凹陷部而在第二连接部件5上设置第一凸起部，同样能获得导向和强度的双重作用。A tooth guiding structure is further disposed between the first connecting member 4 and the second connecting member 5, and includes a first tooth guiding structure and a second tooth guiding structure. The first tooth guiding structure includes two first protruding portions 42 disposed on the bottom of the first connecting member 4 and correspondingly two recessed portions 52 disposed on the second connecting member 5, and the two first protruding portions 42 may be Inserted into two corresponding recesses 52. The first raised portion 42 has a tooth shape. The first tooth guiding structure not only has a guiding effect, but also the engagement of the teeth acts to strengthen the strength. It is conceivable to those skilled in the art that a recessed portion may be provided on the first connecting member 4 and a first raised portion may be provided on the second connecting member 5, and both the guiding and the strength functions can be obtained.

第二齿导向结构包括第二连接部件5上设置的第二凸起部51和第一连接部件4的横向相对两侧形成的约束部44，第二凸起部51能嵌入两个约束部44中。第二凸起部51为具有一定厚度的齿形。第二凸起部51嵌入约束部44之间，既起到导向作用，而且齿的存在也加强了强度。第二螺栓连接8集成于第二齿导向结构上。第二凸起部51上设有长形的螺栓过孔58，两个约束部44上设有螺栓过孔48，在第二凸起部51嵌入约束部44之间安装到位后，螺栓依次穿过这些螺栓过孔48、58，实现紧固。本领域技术人员可想得到的是，也可以在第一连接部件4上设置第二凸起部，在第二连接部件5上设置约束部，或者在第一连接部件4上设置三个约束部，在第二连接部件5上设置两个第二凸起部以分别嵌入两两约束部之间以达到上述相同的导向和安装效果。The second tooth guiding structure includes a second boss portion 51 provided on the second connecting member 5 and a restraining portion 44 formed on laterally opposite sides of the first connecting member 4, and the second boss portion 51 can be embedded in the two restraining portions 44. in. The second boss portion 51 has a tooth shape having a certain thickness. The second raised portion 51 is interposed between the restraining portions 44 to serve both as a guiding action and the presence of the teeth also enhances the strength. The second bolt connection 8 is integrated on the second tooth guiding structure. The second boss portion 51 is provided with an elongated bolt through hole 58. The two restraining portions 44 are provided with bolt through holes 48. After the second boss portion 51 is fitted between the restraining portions 44, the bolts are sequentially worn. These bolt through

holes

48, 58 are used for fastening. It is conceivable to those skilled in the art that a second raised portion may be provided on the first connecting member 4, a restraining portion may be provided on the second connecting member 5, or three restraining portions may be provided on the first connecting member 4, Two second bosses are provided on the second connecting member 5 to be respectively inserted between the two restraining portions to achieve the same guiding and mounting effect as described above.

第一连接部件4的表面上可适当地布置若干个减重孔46(参见图7)，第二连接部件5的底部设有一条至多条沿第一方向x的筋条56以加强该方向上的强度(参见图8的下方)。A plurality of lightening holes 46 (see FIG. 7) may be appropriately disposed on the surface of the first connecting member 4, and the bottom of the second connecting member 5 is provided with one or more ribs 56 in the first direction x to strengthen the direction Strength (see bottom of Figure 8).

第二连接部件5上还设有方便其它部件安装的工装结构。继续参见图9，第二连接部件5的后方位置上设置有与本体10和前副车架连接的安装孔54，前副车架通过该安装孔54安装到本体10上。The second connecting member 5 is also provided with a tooling structure for facilitating the mounting of other components. With continued reference to FIG. 9, a rear mounting position of the second connecting member 5 is provided with mounting holes 54 that are coupled to the body 10 and the front sub-frame, through which the front sub-frame is mounted to the body 10.

第二连接部件5的一侧上还设有用于匹配前副车架工装夹具的两个定位孔55，如图9所示。Two positioning holes 55 for matching the front sub-frame fixtures are also provided on one side of the second connecting member 5, as shown in FIG.

上述分体式结构的包络件安装到车身上的过程如下：The process of attaching the above-mentioned split structure envelope to the vehicle body is as follows:

在本体10上开孔，第一连接部件4与该孔基本匹配，采用焊接方式固定在本体10上。此时本体10下部缺口未封闭，用于完成电机6的传动轴61的装配。A hole is formed in the body 10, and the first connecting member 4 is substantially matched with the hole and fixed to the body 10 by welding. At this time, the lower portion of the body 10 is not closed, and is used to complete the assembly of the drive shaft 61 of the motor 6.

将电机6的传动轴61穿过未封闭的缺口。The drive shaft 61 of the motor 6 is passed through an unclosed notch.

第二连接部件5上设有安装孔和定位孔，用以定位和匹配前副车架及其工装，当前副车架和车身合装时，第二连接部件5能够和前副车架一起快速定位和安装到设计位置。The second connecting member 5 is provided with a mounting hole and a positioning hole for positioning and matching the front sub-frame and the tooling thereof. When the front sub-frame and the vehicle body are assembled, the second connecting member 5 can be quickly combined with the front sub-frame. Position and install to the design location.

通过第一齿导向结构、第二齿导向结构将第二连接部件5快速安装到第一连接部件4上。具体是，将第一连接部件4的第一凸起部***第二连接部件5的凹陷部中，第一连接部件4的约束部之间***第二连接部件5的第二凸起部，并且它们的螺栓过孔对准。The second connecting member 5 is quickly mounted to the first connecting member 4 by the first tooth guiding structure and the second tooth guiding structure. Specifically, the first boss portion of the first connecting member 4 is inserted into the recess portion of the second connecting member 5, and the second boss portion of the second connecting member 5 is inserted between the restraining portions of the first connecting member 4, and Their bolts are aligned.

将螺栓拧入第一连接部件4、第二连接部件5的各螺栓过孔中，以及将安装前副车架的螺栓拧入。Screw the bolt into the bolt holes of the first connecting member 4 and the second connecting member 5, and screw the bolts of the sub-frame before installation.

当第二连接部件5安装到第一连接部件4上后，形成包络件2，参见图10－11。电机6的传动轴61穿过的空间为包络空间22，而且该封闭的结构加强了前纵梁的强度。When the second connecting member 5 is mounted to the first connecting member 4, the envelope 2 is formed, see Figs. 10-11. The space through which the drive shaft 61 of the motor 6 passes is the envelope space 22, and the closed structure reinforces the strength of the front side member.

上述方案，前纵梁后段与地板3之间的高度得到降低，能够在保证不影响前纵梁碰撞性能的同时，减轻纵梁重量，保证前电机6的传动轴61的装配空间，整体装配过程简单，维修拆卸方便性好，进一步降低了生产和售后维修过程中的花费。In the above solution, the height between the rear side of the front longitudinal beam and the floor 3 is reduced, and the weight of the longitudinal beam can be reduced while ensuring the collision performance of the front longitudinal beam, and the assembly space of the transmission shaft 61 of the front motor 6 is ensured. The process is simple, the maintenance and disassembly is convenient, and the cost in the production and after-sales maintenance process is further reduced.

为了方便介绍，本申请中提到的“纵”、“横”、“上”、“下”、“前”、“后”、“两侧”等表示方位的术语指的是本发明涉及的前纵梁后段封闭结构在车身中的方向。但是，上述方位术语仅用来便于描述，本领域技术人员能够想得到的是，对于车辆的前纵梁的描述可以不限于上述方位术语。在三维空间内，这些方位术语可以发生变化。For convenience of introduction, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "both sides", etc., as used in the present application, refer to the terms of the present invention. The direction of the rear section of the front longitudinal beam in the vehicle body. However, the above orientation terms are only used for convenience of description, and those skilled in the art can conceive that the description of the front side member of the vehicle may not be limited to the above orientation term. These orientation terms can vary in three dimensions.

虽然已详细地示出并描述了本发明的具体实施例以说明本发明的原理，但应理解的是，本发明可以其它方式实施而不脱离这样的原理。While the embodiment of the invention has been shown and described in detail

Claims

一种前纵梁(1)，所述前纵梁(1)包括基本沿车辆前后方向(x)延伸的本体(10)，其特征是：还包括位于所述本体(10)上的包络件(2)，所述包络件(2)具有在车宽方向(y)上贯通的腔(20)，所述腔(20)形成一个包络空间(22)。A front longitudinal beam (1) comprising a body (10) extending substantially in a front-rear direction (x) of the vehicle, characterized in that it further comprises an envelope on the body (10) In the case of (2), the envelope (2) has a cavity (20) penetrating in the vehicle width direction (y), and the cavity (20) forms an envelope space (22).
根据权利要求1所述的前纵梁(1)，其特征是：所述包络件(2)的包络空间(22)在车辆前后方向(x)上是封闭的。The front side member (1) according to claim 1, characterized in that the envelope space (22) of the envelope member (2) is closed in the vehicle front and rear direction (x).
根据权利要求1所述的前纵梁(1)，其特征是：所述包络件(2)是所述前纵梁(1)的本体(10)上的一部分或者所述前纵梁(1)的本体(10)上设有开口，所述包络件(2)通过螺接、铆接、焊接、和粘接连接中的至少一种填充所述开口。The front side member (1) according to claim 1, characterized in that the envelope member (2) is a part of the body (10) of the front side member (1) or the front side member ( The body (10) of 1) is provided with an opening, and the envelope (2) fills the opening by at least one of screwing, riveting, welding, and bonding.
根据权利要求1所述的前纵梁(1)，其特征是：所述包络件(2)是一体成型的冲压件、挤出件或铸件，或者所述包络件(2)包括多个经冲压、挤出或铸造成型的子部分，并且由这些子部分通过螺接、铆接、焊接、和粘接连接中的至少一种拼装制成。The front side member (1) according to claim 1, characterized in that the envelope member (2) is an integrally formed stamping member, an extrusion member or a casting, or the envelope member (2) comprises a plurality of The sub-portions that are stamped, extruded or cast are formed from these sub-portions by at least one of screwing, riveting, welding, and bonding.
根据权利要求1所述的前纵梁(1)，其特征是：所述包络件(2)包括界定所述包络空间(22)的封闭部(24)，所述封闭部(24)在沿车宽方向(y)的一侧上具有与所述封闭部(24)的形状匹配的第一壁(26)，所述第一壁(26)通过螺接、铆接、焊接、和粘接连接中的至少一种附接到所述本体(10)的一侧上。A front side member (1) according to claim 1, characterized in that said envelope (2) comprises a closure (24) defining said envelope space (22), said closure (24) a first wall (26) matching the shape of the closure portion (24) on a side along the vehicle width direction (y), the first wall (26) being screwed, riveted, welded, and bonded At least one of the connectors is attached to one side of the body (10).
根据权利要求5所述的前纵梁(1)，其特征是：所述包络件(2)还包括在所述封闭部(24)的沿车宽方向(y)的相反侧上的与所述封闭部(24)的形状匹配的第二壁(27)，所述第二壁(27)通过螺接、铆接、焊接、和粘接连接中的至少一种附接到所述本体(10)的另一侧上。The front side member (1) according to claim 5, characterized in that said envelope member (2) is further included on the opposite side of said closing portion (24) in the vehicle width direction (y) a shape-matching second wall (27) of the closure portion (24) attached to the body by at least one of screwing, riveting, welding, and adhesive bonding ( 10) on the other side.
根据权利要求1所述的前纵梁(1)，其特征是：所述封闭部(24)在底部具有沿车辆前后方向(x)延展的底边(28)，所述底边(28)通过螺接、铆接、焊接、和粘接连接中的至少一种与所述本体(10)的底部附接；所述底边(28)具有沿上下方向(z)的厚度，所述厚度补偿所述前纵梁(1)的本体(10)的高度差，所述高度差形成于所述封闭部(24)的车辆前、后方向之间。A front side member (1) according to claim 1, wherein said closing portion (24) has a bottom edge (28) extending in the front-rear direction (x) of the vehicle at the bottom, said bottom edge (28) Attached to the bottom of the body (10) by at least one of screwing, riveting, welding, and bonding; the bottom edge (28) having a thickness in the up and down direction (z), the thickness compensation The height difference of the body (10) of the front side member (1) is formed between the front and rear directions of the vehicle of the closing portion (24).
根据权利要求7所述的前纵梁(1)，其特征是：所述底边(28)的下方设有沿车辆前后方向(x)延伸的至少一根肋(20)。The front side member (1) according to claim 7, characterized in that at least one rib (20) extending in the front-rear direction (x) of the vehicle is provided below the bottom edge (28).
根据权利要求5－7中任一项所述的前纵梁(1)，其特征是：所述第一壁(26)、所述第二壁(27)、或所述底边(28)上分布多个沉孔(261、271、281)，对应于所述多个沉孔(261、271、281)，所述前纵梁(1)的本体(10)上设有多个孔，所述包络件(2)的多个沉孔(261、271、281)与所述前纵梁(1)的本体(10)的多个孔通过铆钉、螺栓、和自攻螺钉中的至少一种连接。A front side member (1) according to any one of claims 5-7, wherein the first wall (26), the second wall (27), or the bottom edge (28) a plurality of counterbore (261, 271, 281) are disposed, corresponding to the plurality of counterbore (261, 271, 281), and the body (10) of the front side member (1) is provided with a plurality of holes. a plurality of counterbore (261, 271, 281) of the envelope member (2) and a plurality of holes of the body (10) of the front longitudinal beam (1) pass at least one of rivets, bolts, and self-tapping screws A connection.
一种车辆，其特征是包括根据权利要求1－9中任一项所述的前纵梁(1)和基本沿车宽方向(y)的传动轴(3)，所述传动轴(3)穿过所述包络空间(22)。A vehicle characterized by comprising a front side member (1) according to any one of claims 1-9 and a transmission shaft (3) substantially along a vehicle width direction (y), said transmission shaft (3) Pass through the envelope space (22).
一种前纵梁后段封闭结构，包括前纵梁后段本体(10)，其特征是还包括：A front longitudinal beam rear section closed structure, comprising a front longitudinal beam rear section body (10), characterized in that:

第一连接部件(4)，所述第一连接部件(4)附接于所述前纵梁后段本体(10)的一个片段上，并且具有横向上连通的缺口；以及a first connecting member (4) attached to a segment of the front side member rear section body (10) and having a laterally communicating notch;

第二连接部件(5)，所述第二连接部件(5)可拆卸地装配于所述第一连接部件(4)上以封闭所述第一连接部件(4)的缺口从而形成用于安装其它部件的空间。a second connecting member (5) detachably mounted on the first connecting member (4) to close a notch of the first connecting member (4) to form a mounting Space for other components.
根据权利要求11所述的前纵梁后段封闭结构，其特征是：所述第一连接部件(4)的底部连同所述前纵梁后段本体(10)形成所述缺口。The front side rail rear section closure structure according to claim 11, wherein the bottom of the first connecting member (4) forms the notch along with the front side rail rear section body (10).
根据权利要求11或12所述的前纵梁后段封闭结构，其特征是：所述前纵梁后段本体(10)与所述第一连接部件(4)为焊接连接；所述第一连接部件(4)与所述第二连接部件(5)为螺栓连接，所述第一连接部件(4)与所述第二连接部件(5)上均设有螺栓过孔(47，48，57，58)，通过螺栓实现连接。The front side member rear section sealing structure according to claim 11 or 12, wherein the front side member rear section body (10) is welded to the first connecting member (4); The connecting member (4) and the second connecting member (5) are bolted, and the first connecting member (4) and the second connecting member (5) are provided with bolt through holes (47, 48, 57, 58), the connection is made by bolts.
根据权利要求13所述的前纵梁后段封闭结构，其特征是：所述第一连接部件(4)与所述第二连接部件(5)之间的所述螺栓连接至少有两处，其中第一螺栓连接(7)为上下方向(z)上的连接，第二螺栓连接(6)为垂直于所述上下方向(z)的横向(y)上的连接。The front side rail rear section sealing structure according to claim 13, wherein the bolt connection between the first connecting member (4) and the second connecting member (5) is at least two places. The first bolt connection (7) is a connection in the up and down direction (z), and the second bolt connection (6) is a connection in a lateral direction (y) perpendicular to the up and down direction (z).
根据权利要求14所述的前纵梁后段封闭结构，其特征是：所述第一螺栓连接(7)在所述前纵梁后段封闭结构的相对靠前位置；所述第二螺栓连接(8)在所述前纵梁后段封闭结构的相对靠后位置。The front side frame rear section sealing structure according to claim 14, wherein: said first bolt connection (7) is at a front position of said front side frame rear section closed structure; said second bolt connection (8) A relatively rearward position of the closed structure at the rear section of the front side member.
根据权利要求13所述的前纵梁后段封闭结构，其特征是：所述第一连接部件(4)与所述第二连接部件(5)之间还设置有第一齿导向结构，所述第一齿导向结构包括第一凸起部(42)和配合于所述第一凸起部(42)的凹陷部(52)，所述第一凸起部(42)设置于所述第一连接部件(4)与所述第二连接部件(5)的其中一者上，所述凹陷部(52)设置于另一者上。The front side frame rear-end closure structure according to claim 13, wherein a first tooth guiding structure is further disposed between the first connecting member (4) and the second connecting member (5). The first tooth guiding structure includes a first convex portion (42) and a concave portion (52) fitted to the first convex portion (42), and the first convex portion (42) is disposed at the first portion On one of the connecting member (4) and the second connecting member (5), the recess (52) is provided on the other.
根据权利要求13所述的前纵梁后段封闭结构，其特征是：所述第一连接部件(4)与所述第二连接部件(5)之间还设置有第二齿导向结构，所述第二齿导向结构包括第二凸起部(51)和所述第二凸起部(51)能够嵌入的约束部(44)，所述第二凸起部(51)、所述约束部(44)上均设有螺栓过孔(48、58)以供螺栓穿入，所述第二凸起部(51)设置于所述第一连接部件(4)与所述第二连接部件(5)的其中一者上，所述约束部(44)形成于另一者的横向相对两侧上。The front side frame rear-end closure structure according to claim 13, wherein a second tooth guiding structure is further disposed between the first connecting member (4) and the second connecting member (5). The second tooth guiding structure includes a second convex portion (51) and a constraining portion (44) into which the second convex portion (51) can be embedded, the second convex portion (51), the restraining portion (44) each of which is provided with a bolt through hole (48, 58) for the bolt to penetrate, and the second boss portion (51) is disposed on the first connecting member (4) and the second connecting member ( In one of 5), the restraining portions (44) are formed on laterally opposite sides of the other.
根据权利要求13所述的前纵梁后段封闭结构，其特征是：所述第一连接部件(4)上布置有多个减重孔(46)；所述第二连接部件(5)的底部上设置纵向筋条(56)。The front side member rear section sealing structure according to claim 13, wherein said first connecting member (4) is provided with a plurality of lightening holes (46); said second connecting member (5) A longitudinal rib (56) is placed on the bottom.
根据权利要求13所述的前纵梁后段封闭结构，其特征是：所述第二连接部件(5)上还设置有与所述前纵梁后段本体(10)和前副车架连接的安装孔(54)，以及在所述第二连接部件(5)的一侧上设有用于匹配所述前副车架工装的定位孔(55)。The front side rail rear section sealing structure according to claim 13, wherein the second connecting member (5) is further provided with the front side rail rear section body (10) and the front sub-frame. a mounting hole (54), and a positioning hole (55) for matching the front sub-frame tooling on one side of the second connecting member (5).
一种电动汽车，包括设置于前车身内的电机(6)以及两根前纵梁，所述电机(6)在所述前纵梁之间，其特征是：所述前纵梁具有根据权利要求11－19中任一项所述的前纵梁后段封闭结构，由第一连接部件(4)的缺口形成的空间用于接收所述电机(6)的传动轴(3)。An electric vehicle comprising an electric motor (6) disposed in a front body and two front side members, the electric motor (6) being between the front side members, characterized in that: the front side members have rights according to rights The front side member rear section closing structure according to any one of claims 11 to 19, wherein a space formed by the notch of the first connecting member (4) is for receiving the transmission shaft (3) of the motor (6).