WO2019114663A1 - 门槛梁总成、侧后车身总成、车身总成以及汽车 - Google Patents

门槛梁总成、侧后车身总成、车身总成以及汽车 Download PDF

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Publication number
WO2019114663A1
WO2019114663A1 PCT/CN2018/120109 CN2018120109W WO2019114663A1 WO 2019114663 A1 WO2019114663 A1 WO 2019114663A1 CN 2018120109 W CN2018120109 W CN 2018120109W WO 2019114663 A1 WO2019114663 A1 WO 2019114663A1
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WO
WIPO (PCT)
Prior art keywords
sill beam
wall
sill
reinforcing plate
connecting surface
Prior art date
Application number
PCT/CN2018/120109
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English (en)
French (fr)
Inventor
申学开
程铭
杨传义
李硕
靖海涛
郑望
秦乐
Original Assignee
蔚来汽车有限公司
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Application filed by 蔚来汽车有限公司 filed Critical 蔚来汽车有限公司
Priority to EP18888207.0A priority Critical patent/EP3725649B1/en
Publication of WO2019114663A1 publication Critical patent/WO2019114663A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/06—Connections between superstructure or understructure sub-units readily releasable
    • B62D27/065—Connections between superstructure or understructure sub-units readily releasable using screwthread

Definitions

  • This invention relates to the field of body structure, and more particularly to a sill beam and a rear sill assembly that are specifically connected behind the vehicle body side, and a vehicle body assembly and automobile having the same.
  • the body-in-white of the existing vehicle is mainly composed of steel plates, and the rear longitudinal beams and the sill beams are mainly connected by spot welding and welding. Due to the lightweight requirements of the body, more vehicles are made of aluminum alloy body. For the connection of the aluminum alloy body, it is necessary to ensure sufficient joint strength. In addition, for aluminum alloy component connections, thermal processing such as soldering will create heat affected zones that have an impact on the stability of the connection.
  • the object of the present invention is to ensure the vehicle's rear impact, side impact performance and sufficient bending stiffness and torsional rigidity to improve the reliability and safety of the vehicle.
  • a sill beam assembly includes a sill beam and a stiffener, the sill beam being an extrusion that includes a sidewall defining the cavity and open ends, the stiffener being open from the two Inserting any one of the ends into a cavity of the sill beam, the reinforcing plate including a first connecting surface connected to an inner side of the side wall of the sill beam and a second connecting surface for connecting with another component, A nut is mounted on the two connecting faces, and the side wall of the sill beam has a plurality of openings corresponding to the position of the nut.
  • the reinforcing plate comprises an angled first connecting surface and a second connecting surface.
  • the first connecting surface and the second connecting surface of the reinforcing plate are perpendicular to each other.
  • the side wall of the sill beam includes a bottom wall, a top wall, a front wall and a rear wall, and the first connecting surface of the reinforcing plate is connected to the bottom wall of the sill beam
  • the plurality of openings are disposed on a front wall of the rocker beam.
  • the first connecting surface of the reinforcing plate is connected to the bottom wall of the sill beam by riveting.
  • a plurality of nuts are connected to the second connecting surface of the reinforcing plate.
  • an additional nut is further connected to the front wall of the sill beam.
  • the sill beam further includes a plurality of staggered rib walls in the cavity.
  • a side rear body assembly includes a sill beam and a rear side rail, the sill beam being an extrusion that includes a sidewall defining the cavity and open ends, the reinforcement panel being open An end is inserted into a cavity of the sill beam, the reinforcing plate includes a first connecting surface connected to an inner side of the side wall of the sill beam and a second connecting surface connected to the rear side sill, the rear side sill including a connecting end And a plurality of bolts passing through the through hole of the connecting end of the rear side member and the opening on the side wall of the rocker beam, and received by a nut mounted on the second connecting surface of the reinforcing plate.
  • the reinforcing plate includes a first connecting surface and a second connecting surface that are perpendicular to each other.
  • the side wall of the sill beam includes a bottom wall, a top wall, a front wall and a rear wall, and the first connecting surface of the reinforcing plate is connected to the bottom of the sill beam
  • the plurality of bolts pass through the front wall of the rocker beam and are received by nuts on the second joint surface of the stiffener.
  • the first connecting surface of the reinforcing plate is connected to the bottom wall of the rocker beam by riveting.
  • a plurality of nuts are press-fitted to the second connecting surface of the reinforcing plate.
  • the front wall of the rocker beam is further riveted with an additional nut, and an additional bolt passes through the additional through hole of the connecting end of the rear side member and is An additional nut on the front wall is received.
  • the sill beam and the rear longitudinal beam further have an overlapping position, and the sill beam and the rear longitudinal beam pass through the overlapping position Riveting rivets reinforcement.
  • the rocker beam further includes a plurality of staggered rib walls in the cavity.
  • the rear side member is a casting member, and the through hole of the rear side member connecting end portion is formed during the casting process.
  • the sill beam, the rear side member and the reinforcing plate are each made of an aluminum alloy.
  • a vehicle body assembly that includes the side rear body assembly in accordance with various embodiments.
  • an automobile in another aspect, includes a body assembly in accordance with various embodiments.
  • a method of joining a sill beam and a rear sill comprising:
  • a reinforcing plate includes a first connecting surface connected to an inner side of the side wall of the rocker beam and a second connecting surface connected to the rear side rail, and a nut is mounted on the second connecting surface of the reinforcing plate;
  • the sill beam being an extrusion comprising a side wall defining the cavity and open ends
  • a plurality of bolts are passed through the through holes of the connecting end portions of the rear side members and the openings in the side walls of the rocker beams, and are screwed into nuts installed on the second connecting faces of the reinforcing plates.
  • the side wall of the rocker beam includes a bottom wall, a top wall, a front wall and a rear wall, the method further comprising connecting the first connecting surface of the reinforcing plate to the The bottom wall of the sill beam passes the plurality of bolts through the front wall of the sill beam and into the nut on the second joint surface of the reinforcing plate.
  • the method includes attaching a first attachment surface of the stiffener to a bottom wall of the rocker beam by a riveted joint.
  • the method includes attaching a plurality of nuts to the second attachment face of the stiffener by a crimping connection.
  • the method includes riveting an additional nut to the front wall of the rocker beam, passing an additional bolt through the additional through hole of the connecting end of the rear stringer and screwing Into the additional nut on the front wall.
  • the method includes: reinforcing by a self-tapping rivet at a landing position of the rocker beam and the rear longitudinal beam.
  • the connection between the rear side member and the sill beam is reliable, and the rear impact, side impact performance and sufficient bending rigidity and torsional rigidity of the vehicle are ensured to improve the reliability and safety of the vehicle.
  • Figure 1 shows an exploded view of a side rear body assembly in accordance with the present invention.
  • top, bottom, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined with respect to the configurations shown in the respective drawings, which are Relative concepts, so it is possible to change accordingly according to their different locations and different usage states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.
  • the sill beam assembly further includes a sill beam 1 and a reinforcing plate 2.
  • the sill beam 1 is located substantially below the door frame; the rear side member is located behind the sill beam 1 and is generally on the side of the trunk and is connected between the sill beam 1 and the rear impact beam (not shown).
  • the rocker beam 1 is an extrusion comprising a side wall 10 defining a cavity and open ends 11, 12 in which a stiffener 13 is disposed.
  • the reinforcing plate 13 is inserted into the cavity defined by the side wall 10 of the rocker beam 1 from the open end portion 11 of the rocker beam 1 in the direction of I.
  • the reinforcing plate 13 includes a first connecting surface 131 connected to the inner side of the side wall 10 of the rocker beam 1 and a second connecting surface 132 connected to the rear side rail.
  • the rear side rail 2 includes a connecting end portion 21 through which a plurality of bolts pass.
  • the through hole 22 in the connecting end portion 21 and the opening in the side wall 10 of the sill beam are received by a nut 133 mounted on the second connecting surface 132 of the reinforcing plate 13, thereby the sill beam 1 and the rear side member 2 connected together.
  • connection of the sill beam assembly to the rear side member 2 is exemplified in the illustrated embodiment, the same manner can be used between the sill beam assembly and another component, such as the sill beam passing through the other end 12
  • the reinforcing plate is connected to the energy absorbing box.
  • the sill beam 1 can be an extrusion formed by an extrusion process and having side walls 10 and open ends 11,12.
  • the rocker beam 1 can be an aluminum alloy extrusion.
  • the side wall 10 is comprised of a bottom wall 101, a front side wall 102, a top wall 103, and a rear wall 104.
  • the bottom wall 101, the front side wall 102, the top wall 103 and the rear wall 104 collectively define a cavity.
  • the rocker beam 1 can have one or more rib walls 105 between the side walls, the rib walls 105 can be oriented in any direction, such as the rib walls 105 can be parallel to the side walls, such as parallel to the bottom wall 101.
  • the rib wall 105 can include a plurality of staggered rib walls. A plurality of staggered rib walls further divide the cavity defined by the side wall 10 into a plurality of small cavities. At this time, the reinforcing plate should be inserted into a small cavity abutting the top or bottom wall to facilitate its installation.
  • the staggered rib walls 105 enhance the strength of the sill beam 1.
  • the stiffener 13 includes a first connecting face 131 and a second connecting face 132 of the degree of trade, such as the stiffener 13 being foldable.
  • the first connection face 131 and the second connection face 132 are perpendicular.
  • the stiffener 13 is disposed in the cavity of the rocker beam 1, more specifically, for example, in the bottom cavity of the rocker beam 1.
  • the first connecting surface 131 of the reinforcing plate 13 is connected to the bottom wall 101 of the sill beam 1, for example, the first connecting surface 131 of the reinforcing plate 13 is connected by riveting rivet 134 to the bottom of the sill beam 1 Wall 101.
  • a plurality of nuts 133 are mounted on the second connecting surface 132 of the reinforcing plate 13, and the plurality of nuts 133 can be connected to the second connecting surface 13 of the reinforcing plate 13 by, for example, press-staking.
  • the bolt can pass through the through hole 22 at the connecting portion 21 of the rear side member 2 from the rear of the connecting portion 21 in the direction of the arrow B, and then pass through the corresponding through hole in the front wall 102 of the sill beam 1, by the reinforcing plate 13
  • a plurality of nuts 133 are received on the second connecting surface 132, and the sill beam 1 and the rear side member 2 are connected by a plurality of bolts.
  • the first connecting surface 131 of the reinforcing plate 13 may also be connected to the top wall 103, or the front wall 102 or the rear wall 104, in which case the reinforcing plate 13 should have a different embodiment than the present embodiment. shape.
  • an additional nut 14 is also mounted on the front wall 102 of the rocker beam 1 and is coupled to the front wall 102 of the rocker beam 1 by riveting in the direction of arrow R.
  • the additional bolt can be received in the direction of arrow B from the rear of the connecting portion 21 through the additional through hole 23 at the connecting portion 21 of the rear side member 2 by an additional nut 14 that is riveted to the front wall 102 of the rocker beam 1, thereby providing Additional reinforcement between the sill beam 1 and the rear sill 2 .
  • an additional nut 14 that is riveted to the front wall 102 of the rocker beam 1, thereby providing Additional reinforcement between the sill beam 1 and the rear sill 2 .
  • the number and position of the bolts and additional bolts may be Change arbitrarily.
  • the rear side member 2 is formed by casting, the rear side member 2 can be a cast member, and the through hole 22 of the connecting portion 21 of the rear side member 2 and the additional through hole 23 are produced during the casting process.
  • the rear side member 2 is cast from an aluminum alloy material.
  • the rear portion 22 of the rear side member 2 can be used to connect with a rear impact beam (not shown), in some embodiments, the rear portion of the rear side member 2 includes a notch 22, a rear side member reinforcement in the form of a suction box It can be inserted into the slot 22 and then connected to the rear impact beam.
  • further reinforcement may be performed by means of self-tapping rivets at other suitable overlapping locations between the rocker beam 1 and the rear longitudinal rail 2.
  • the self-tapping rivet may be further reinforced at the overlapping position of the sill beam 1 and the rear longitudinal beam 2 above the bolted joint region, thereby achieving a Between the sill beam 1 and the rear longitudinal beam 2 Triple connection, to achieve a reliable and firm connection, to ensure the vehicle's rear impact, side impact performance and sufficient bending stiffness, torsional stiffness to improve vehicle reliability and safety. .
  • the present invention is also directed to a vehicle body assembly that includes the side rear body assembly in accordance with various embodiments.
  • the invention is also directed to an automobile that includes a body assembly in accordance with various embodiments.
  • the invention is also directed to a method of securing a sill beam to another component, such as a rear sill, comprising: providing a stiffener 13; inserting the stiffener 13 from the open end 11 of the sill beam 1 into the sill beam In the cavity of 1, the first connecting surface 131 of the reinforcing plate 13 is connected to the inner side of the side wall of the sill beam 1; a plurality of bolts are passed through the through hole 22 of the connecting end portion 21 of the rear side member 2 and the side wall of the sill beam The opening is screwed into the nut 133 mounted on the second connecting surface of the reinforcing plate.
  • the method further includes attaching the first attachment surface 131 of the stiffener 13 to the bottom wall 101 of the rocker beam such that a plurality of bolts pass through the front wall 102 of the rocker beam and are screwed into the stiffener 13 In the nut 133 on the second connecting surface 132.
  • the method further includes attaching the first attachment surface 131 of the stiffener 13 to the bottom wall 101 of the sill beam by a riveted joint.
  • the method further includes attaching a plurality of nuts 133 to the second attachment surface 132 of the stiffener by a crimping connection.
  • the method further includes riveting the additional nut 14 to the front wall 102 of the rocker beam, passing the additional bolt through the additional through hole 23 of the connecting end 21 of the rear stringer and screwing into the front wall 102 Attached to the nut 14 on it.
  • the method further includes reinforcing by self-tapping rivets at the overlapping locations of the sill beam and the rear stringer.
  • the specific mounting sequence may be that, first, the nut 133 is crimped onto the second connecting surface 132 of the reinforcing plate 13, and then the reinforcing plate to which the nut 133 is mounted is inserted from the end portion 11 into the sill beam 1 In the cavity, the reinforcing plate is connected to the bottom wall 101 of the sill beam 1 by riveting, and the additional nut 14 is press-fitted to the front wall 102 of the sill beam 1 so that the bolt and the additional bolt pass through the connecting end of the rear sill
  • the through holes 22, 23 of the 21 are screwed into the nut 133 and the additional nut 14, respectively, and then further reinforced by self-tapping riveting at the overlapping position of the sill beam and the rear side member above the bolt connection area.
  • the method according to the various embodiments described above is simple in connection and easy to operate.

Abstract

一种门槛梁总成、侧后车身总成、车身总成以及汽车，其中，门槛梁总成包括门槛梁(1)和加强板(2)，所述门槛梁(1)为挤出件，其包括限定容腔的侧壁(10)和敞开的两端(11,12)，加强板(2)从敞开的两端(11,12)中任一者插入所述门槛梁(1)的容腔中，所述加强板(2)包括与所述门槛梁(1)侧壁(10)内侧连接的第一连接面(131)以及用于与另一部件连接的第二连接面(132)，所述第二连接面(132)上安装有螺母(133)，所述门槛梁(1)的侧壁(10)上具有与所述加强板(2)的螺母(133)位置对应的多个开孔。

Description

门槛梁总成、侧后车身总成、车身总成以及汽车 技术领域
本发明涉及车身结构领域，更具体地，本发明涉及车身侧后方特殊连接的门槛梁与后纵梁总成以及具有其的车身总成和汽车。
背景技术
现有车辆的白车身主要由钢板组成，钢板之间主要采用点焊、烧焊等方式连接后纵梁和门槛梁。由于车身轻量化的需求，更多车辆采用铝合金车身。对于铝合金车身的连接而言，需要保证足够的连接强度。另外，对于铝合金部件连接而言，热加工如焊接将产生热影响区，对连接的稳定性产生影响。
发明内容
本发明的目的在于解决或至少缓解现有技术中存在的问题。
根据部分特征，本发明的目的在于保证车辆的后碰，侧碰性能及足够的弯曲刚度，扭转刚度来提高整车可靠性，安全性。
根据部分特征，本发明的目的在于提供门槛梁与另一部件如后纵梁之间简单方便的组装方式。
根据一方面，提供了一种门槛梁总成，其包括门槛梁和加强板，所述门槛梁为挤出件，其包括限定容腔的侧壁和敞开的两端，加强板从敞开的两端中任一者插入所述门槛梁的容腔中，所述加强板包括与所述门槛梁侧壁内侧连接的第一连接面以及用于与另一部件连接的第二连接面，所述二连接面上安装有螺母，所述门槛梁的侧壁上具有与所述螺母位置对应的多个开孔。
可选地，在上述门槛梁总成中，所述加强板包括成角度的第一连接面和第二连接面。
可选地，在上述门槛梁总成中，所述加强板的所述第一连接面和所述第二连接面相互垂直。
可选地，在上述门槛梁总成中，所述门槛梁的侧壁包括底壁，顶壁，前壁和后壁，所述加强板的第一连接面连接至所述门槛梁的底壁上，所述多个开孔设 置在所述门槛梁的前壁上。
可选地，在上述门槛梁总成中，所述加强板的第一连接面通过拉铆连接至所述门槛梁的底壁上。
可选地，在上述门槛梁总成中，所述加强板的第二连接面上压铆连接有多个螺母。
可选地，在上述门槛梁总成中，所述门槛梁的前壁上还拉铆连接有附加螺母。
可选地，在上述门槛梁总成中，所述门槛梁还包括所述容腔中的多个交错的肋壁。
根据一些方面，提供了一种侧后车身总成，其包括门槛梁和后纵梁，所述门槛梁为挤出件，其包括限定容腔的侧壁和敞开的两端，加强板从敞开端插入所述门槛梁的容腔中，所述加强板包括与所述门槛梁侧壁内侧连接的第一连接面以及与后纵梁连接的第二连接面，所述后纵梁包括连接端部，多个螺栓穿过所述后纵梁的连接端部的通孔以及所述门槛梁的侧壁上的开孔，并由安装在所述加强板的第二连接面上的螺母接收。
可选地，在上述侧后车身总成中，所述加强板包括相互垂直的第一连接面和第二连接面。
可选地，在上述侧后车身总成中，所述门槛梁的侧壁包括底壁，顶壁，前壁和后壁，所述加强板的第一连接面连接至所述门槛梁的底壁上，所述多个螺栓穿过所述门槛梁的前壁并由所述加强板的第二连接面上的螺母接收。
可选地，在上述侧后车身总成中，所述加强板的第一连接面通过拉铆连接至所述门槛梁的底壁上。
可选地，在上述侧后车身总成中，所述加强板的第二连接面上压铆连接有多个螺母。
可选地，在上述侧后车身总成中，所述门槛梁的前壁上还拉铆连接有附加螺母，附加螺栓穿过所述后纵梁的连接端部的附加通孔并由所述前壁上的附加螺母接收。
可选地，在上述侧后车身总成中，所述门槛梁和所述后纵梁之间还具有搭 接位置，所述门槛梁和所述后纵梁通过所述搭接位置处的自攻铆钉加固。
可选地，在上述侧后车身总成中，所述门槛梁还包括所述容腔中的多个交错的肋壁。
可选地，在上述侧后车身总成中，所述后纵梁为铸造件，所述后纵梁连接端部的所述通孔在铸造过程中形成。
可选地，在上述侧后车身总成中，所述门槛梁，所述后纵梁以及所述加强板均由铝合金制成。
另一方面，提供了一种车身总成，所述车身总成包括根据各个实施例的所述的侧后车身总成。
另一方面，提供了一种汽车，所述汽车包括根据各个实施例的车身总成。
另一方面，提供了一种门槛梁与后纵梁的连接方法，所述方法包括：
提供加强板，所述加强板包括与所述门槛梁侧壁内侧连接的第一连接面以及与后纵梁连接的第二连接面，所述加强板的第二连接面上安装有螺母；
将加强板从门槛梁的敞开端部插入所述门槛梁的容腔中，所述门槛梁为挤出件，其包括限定容腔的侧壁和敞开的两端，
将所述加强板的第一连接面连接至所述门槛梁侧壁内侧；
将多个螺栓穿过所述后纵梁的连接端部的通孔以及所述门槛梁的侧壁上的开孔，并拧入安装在所述加强板的第二连接面上的螺母中。
可选地，在所述方法中，所述门槛梁的侧壁包括底壁，顶壁，前壁和后壁，所述方法还包括，将所述加强板的第一连接面连接至所述门槛梁的底壁上，使所述多个螺栓穿过所述门槛梁的前壁并拧入所述加强板的第二连接面上的螺母中。
可选地，在所述方法中，所述方法包括通过拉铆连接将所述加强板的第一连接面连接至所述门槛梁的底壁上。
可选地，在所述方法中，所述方法包括通过压铆连接将多个螺母连接至所述加强板的第二连接面上。
可选地，在所述方法中，所述方法包括将附加螺母拉铆连接至所述门槛梁的前壁上，使附加螺栓穿过所述后纵梁的连接端部的附加通孔并拧入所述前壁上的附加螺母中。
可选地，在所述方法中，所述方法包括：在所述门槛梁和所述后纵梁的搭接位置处通过自攻铆钉加固。
根据本发明的侧后车身总成中后纵梁和门槛梁之间连接可靠，保证车辆的后碰，侧碰性能及足够的弯曲刚度，扭转刚度来提高整车可靠性，安全性。
附图说明
参照附图，本发明的公开内容将变得更易理解。本领域技术人员容易理解的是：这些附图仅仅用于说明的目的，而并非意在对本发明的保护范围构成限制。此外，图中类似的数字用以表示类似的部件，其中：
图1示出了根据本发明的侧后车身总成的分解图。
具体实施方式
容易理解，根据本发明的技术方案，在不变更本发明实质精神下，本领域的一般技术人员可以提出可相互替换的多种结构方式以及实现方式。因此，以下具体实施方式以及附图仅是对本发明的技术方案的示例性说明，而不应当视为本发明的全部或者视为对本发明技术方案的限定或限制。
在本说明书中提到或者可能提到的上、下、左、右、前、后、正面、背面、顶部、底部等方位用语是相对于各附图中所示的构造进行定义的，它们是相对的概念，因此有可能会根据其所处不同位置、不同使用状态而进行相应地变化。所以，也不应当将这些或者其他的方位用语解释为限制性用语。
图1示出了根据本发明的侧后车身总成，包括门槛梁总成和后纵梁2。门槛梁总成进一步包括门槛梁1和加强板2。门槛梁1大致位于车门框架下方；后纵梁位于门槛梁1后方,大致在行李箱的侧面，且连接在门槛梁1和后防撞梁(未示出)之间。在本发明的实施例中，门槛梁1为挤出件，其包括限定容腔的侧壁10和敞开的两端11,12，加强板13布置在所述门槛梁1的容腔中。具体而言，加强板13从门槛梁1的敞开端部11，沿I的方向插入门槛梁1的侧壁10限定的容腔。加强板13包括与门槛梁1侧壁10内侧连接的第一连接面131以及与后纵梁连接的第二连接面132，后纵梁2包括连接端部21，多个螺栓穿过后纵梁的连接端部21上的通孔22以及门槛梁的侧壁10上的开孔，并由安装在加强板13的第二连接面132上的螺母133接收,由此将门槛梁1与后纵梁2连接在了一起。尽管 在所示的实施例中均以门槛梁总成与后纵梁2的连接为例，但同样的方式可用于门槛梁总成与另一部件之间，如门槛梁可通过另一端12处的加强板来与吸能盒连接。
门槛梁1可为挤出件，其通过挤出加工工艺形成，并具有侧壁10和敞开的两端11,12。在一些实施例中，门槛梁1可为铝合金挤出件。在一些实施例中，侧壁10由底壁101，前侧壁102，顶壁103和后壁104组成。底壁101，前侧壁102，顶壁103和后壁104共同限定容腔。在一些实施例中，门槛梁1可具有侧壁之间的一个或多个肋壁105，肋壁105可沿任何方向定向，例如肋壁105可平行于侧壁，如平行于底壁101的横向肋壁和平行于前壁102的竖向肋壁。在一些实施例中，如图所示，肋壁105可包括多个交错的肋壁。多个交错的肋壁将由侧壁10限定的容腔进一步分割成多个小容腔，此时，加强板应插入紧靠顶壁或底壁的小容腔中，以便于其安装。交错的肋壁105可增强门槛梁1的强度。
在一些实施例中，加强板13包括成交度的第一连接面131和第二连接面132，如加强板13可通过折弯形成。在一些实施例中，第一连接面131和第二连接面132垂直。在一些实施例中，加强板13布置在的门槛梁1的容腔中，更具体地，例如在门槛梁1底部容腔中。在一些实施例中，加强板13的第一连接面131连接至门槛梁1的底壁101上，例如加强板13的第一连接面131通过拉铆铆钉134拉铆连接至门槛梁1的底壁101。在加强板13的第二连接面132上安装有多个螺母133，多个螺母133例如可通过压铆连接至加强板13的第二连接面13。螺栓可沿箭头B的方向从连接部分21后部穿过后纵梁2的连接部分21处的通孔22，随后穿过门槛梁1的前壁102上相应的通孔后，由加强板13的第二连接面132上多个螺母133接收，通过多个螺栓，门槛梁1与后纵梁2连接在一起。在备选的实施例中，加强板13的第一连接面131也可以连接至顶壁103上，或前壁102或后壁104上，此时，加强板13应具有不同于本实施例的形状。在一些实施例中，在门槛梁1的前壁102上还安装有附加螺母14，如沿箭头R的方向通过拉铆连接至门槛梁1的前壁102上。附加螺栓可沿箭头B的方向从连接部分21后部穿过后纵梁2的连接部分21处的附加通孔23由拉铆在门槛梁1的前壁102上的附加螺母14接收，由此提供门槛梁1与后纵梁2之间的附加加固。尽管在 图示的实施例中，示出了存在两组四个螺栓连接至加强板13以及两个附加螺栓连接至附加螺母14，在备选实施例中，螺栓和附加螺栓的数量和位置可任意地改变。
在一些实施例中，后纵梁2通过铸造形成，后纵梁2可为铸造件，后纵梁2的连接部分21的通孔22和附加通孔23在铸造过程中产生。在一些实施例中，后纵梁2由铝合金材料铸造形成。后纵梁2的后部22可用于与后防撞梁(未示出)连接，在一些实施例中，后纵梁2的后部包括槽口22，吸能盒形式的后纵梁加强件可插入槽口22中，并继而与后防撞梁连接。
在一些实施例中，在门槛梁1和后纵梁2之间的其他适合的搭接位置上可借助于自攻铆钉进行进一步加固。在一些实施例中，可在螺栓连接区的上方，门槛梁1和后纵梁2的搭接位置处利用自攻铆钉进行进行进一步加固，由此实现门槛梁1和后纵梁2之间的三重连接，实现可靠牢固的连接，保证车辆的后碰，侧碰性能及足够的弯曲刚度，扭转刚度来提高整车可靠性，安全性。。
另一方面，本发明还旨在保护一种车身总成，车身总成包括根据各个实施例的所述的侧后车身总成。
另一方面，本发明还旨在保护一种汽车，所述汽车包括根据各个实施例的车身总成。
另一方面，本发明还旨在保护一种门槛梁与另一部件，如后纵梁的连接方法，包括：提供加强板13；将加强板13从门槛梁1的敞开端部11插入门槛梁1的容腔中，将加强板13的第一连接面131连接至门槛梁1侧壁内侧；将多个螺栓穿过后纵梁2的连接端部21的通孔22以及门槛梁的侧壁上的开孔，并拧入安装在加强板的第二连接面上的螺母133中。
在一些实施例中，该方法还包括，将加强板13的第一连接面131连接至门槛梁的底壁101上，使多个螺栓穿过门槛梁的前壁102并拧入加强板13的第二连接面132上的螺母133中。在一些实施例中，该方法还包括，通过拉铆连接将加强板13的第一连接面131连接至门槛梁的底壁101上。在一些实施例中，该方法还包括，通过压铆连接将多个螺母133连接至所述加强板的第二连接面132上。在一些实施例中，该方法还包括，将附加螺母14拉铆连接至门槛梁的前壁 102上，使附加螺栓穿过后纵梁的连接端部21的附加通孔23并拧入前壁102上的附加螺母14中。在一些实施例中，该方法还包括，在门槛梁和后纵梁的搭接位置处通过自攻铆钉加固。在一些实施例中，具体安装顺序可为，首先，将螺母133压铆至加强板13的第二连接面132上，随后，将安装有螺母133的加强板从端部11插入门槛梁1的容腔中，通过拉铆将加强板连接至门槛梁1的底壁101，将附加螺母14压铆连接至门槛梁1的前壁102上，使螺栓和附加螺栓穿过后纵梁的连接端部21的通孔22,23并分别拧入螺母133和附加螺母14中，随后，在螺栓连接区上方的门槛梁与后纵梁的搭接位置处通过自攻铆接进一步加固。根据上述各个实施例的方法的连接方式简单，易于操作。
以上所描述的具体实施例仅为了更清楚地描述本发明的原理，其中清楚地示出或描述了各个部件而使本发明的原理更容易理解。在不脱离本发明的范围的情况下，本领域的技术人员可容易地对本发明进行各种修改或变化。故应当理解的是，这些修改或者变化均应包含在本发明的专利保护范围之内。

Claims (23)

  1. 一种门槛梁总成，其包括门槛梁和加强板，所述门槛梁为挤出件，其包括限定容腔的侧壁和敞开的两端，加强板从敞开的两端中任一者插入所述门槛梁的容腔中，所述加强板包括与所述门槛梁侧壁内侧连接的第一连接面以及用于与另一部件连接的第二连接面，所述第二连接面上安装有螺母，所述门槛梁的侧壁上具有与所述加强板的螺母位置对应的多个开孔。
  2. 根据权利要求1所述的门槛梁总成，其特征在于，所述加强板包括成角度的第一连接面和第二连接面。
  3. 根据权利要求2所述的门槛梁总成，其特征在于，所述加强板的所述第一连接面和所述第二连接面相互垂直。
  4. 根据权利要求1所述的门槛梁总成，其特征在于，所述门槛梁的侧壁包括底壁，顶壁，前壁和后壁，所述加强板的第一连接面连接至所述门槛梁的底壁上，所述多个开孔设置在所述门槛梁的前壁上。
  5. 根据权利要求4所述的门槛梁总成，其特征在于，所述加强板的第一连接面通过拉铆连接至所述门槛梁的底壁上。
  6. 根据权利要求4所述的门槛梁总成，其特征在于，所述加强板的第二连接面上压铆连接有多个螺母。
  7. 根据权利要求1-6中任一项所述的门槛梁总成，其特征在于，所述门槛梁的前壁上还拉铆连接有附加螺母。
  8. 根据权利要求1-6中任一项所述的门槛梁总成，其特征在于，所述门槛梁还包括所述容腔中的多个交错的肋壁。
  9. 一种侧后车身总成，其包括如权利要求1-8中任一项所述的门槛梁总成和后纵梁，其中，所述后纵梁包括连接端部，多个螺栓穿过所述后纵梁的连接端部的通孔以及所述门槛梁的侧壁上的开孔，并由安装在所述加强板的第二连接面上的螺母接收。
  10. 根据权利要求9所述的侧后车身总成，其特征在于，所述加强板的第一连接 面连接至所述门槛梁的底壁上，所述多个螺栓穿过所述门槛梁的前壁并由所述加强板的第二连接面上的螺母接收。
  11. 根据权利要求9或10所述的侧后车身总成，其特征在于，所述门槛梁的前壁上还拉铆连接有附加螺母，附加螺栓穿过所述后纵梁的连接端部的附加通孔并由所述前壁上的附加螺母接收。
  12. 根据权利要求9或10所述的侧后车身总成，其特征在于，所述门槛梁和所述后纵梁之间还具有搭接位置，所述门槛梁和所述后纵梁通过所述搭接位置处的自攻铆钉加固。
  13. 根据权利要求9或10所述的侧后车身总成，其特征在于，所述后纵梁为铸造件，所述后纵梁连接端部的所述通孔在铸造过程中形成。
  14. 根据权利要求9或10所述的侧后车身总成，其特征在于，所述门槛梁，所述后纵梁以及所述加强板均由铝合金制成。
  15. 一种车身总成，其特征在于，所述车身总成包括如权利要求9-14中任一项所述的侧后车身总成。
  16. 一种汽车，其特征在于，所述汽车包括如权利要求15所述的车身总成。
  17. 一种门槛梁与另一部件的连接方法，所述方法包括：
    提供加强板，所述加强板包括与所述门槛梁侧壁内侧连接的第一连接面以及与另一部件连接的第二连接面，所述加强板的第二连接面上安装有螺母；
    将加强板从门槛梁的敞开端部插入所述门槛梁的容腔中，所述门槛梁为挤出件，其包括限定容腔的侧壁和敞开的两端，
    将所述加强板的第一连接面连接至所述门槛梁侧壁内侧；
    将多个螺栓穿过所述另一部件的连接端部的通孔以及所述门槛梁的侧壁上的开孔，并拧入安装在所述加强板的第二连接面上的螺母中。
  18. 根据权利要求17所述的方法，其特征在于，所述门槛梁的侧壁包括底壁，顶壁，前壁和后壁，所述方法还包括，将所述加强板的第一连接面连接至所述门槛梁的底壁上，使所述多个螺栓穿过所述门槛梁的前壁并拧入所述加强板的第二连接面上的螺母中。
  19. 根据权利要求18所述的方法，其特征在于，所述方法包括通过拉铆连接将所 述加强板的第一连接面连接至所述门槛梁的底壁上。
  20. 根据权利要求18所述的方法，其特征在于，所述方法包括通过压铆连接将多个螺母连接至所述加强板的第二连接面上。
  21. 根据权利要求17-20中任一项所述的方法，其特征在于，所述方法包括将附加螺母拉铆连接至所述门槛梁的前壁上，使附加螺栓穿过所述另一部件的连接端部的附加通孔并拧入所述前壁上的附加螺母中。
  22. 根据权利要求17-20中任一项所述的方法，其特征在于，所述方法包括：在所述门槛梁和所述另一部件的搭接位置处通过自攻铆钉加固。
  23. 根据权利要求17-20中任一项所述的方法，其特征在于，所述另一部件为后纵梁或吸能盒。
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