WO2023160291A1 - 一种前地板后横梁与后地板的搭接结构 - Google Patents

一种前地板后横梁与后地板的搭接结构 Download PDF

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Publication number
WO2023160291A1
WO2023160291A1 PCT/CN2023/071563 CN2023071563W WO2023160291A1 WO 2023160291 A1 WO2023160291 A1 WO 2023160291A1 CN 2023071563 W CN2023071563 W CN 2023071563W WO 2023160291 A1 WO2023160291 A1 WO 2023160291A1
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Prior art keywords
floor
lap joint
sides
joint structure
rear longitudinal
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PCT/CN2023/071563
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English (en)
French (fr)
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甘友堰
黎念豪
曾凤
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上汽通用五菱汽车股份有限公司
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Publication of WO2023160291A1 publication Critical patent/WO2023160291A1/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
    • B62D25/20—Floors or bottom sub-units

Definitions

  • the present application relates to the field of lap joints between front floor rear beams and rear floors, in particular to a lap joint structure between front floor rear beams and rear floors.
  • the rear lower body contains two PB parts of the left/right rear longitudinal beam. If it is newly developed, the mold cost will reach tens of millions.
  • the front half of the rear floor is welded to the connector of the rear longitudinal beam, and the rear half of the rear floor is connected to the rear longitudinal beam by welding.
  • the left/right rear longitudinal beam cannot be shared, and a new mold needs to be opened.
  • the purpose of this application is to provide a lap joint structure between the front floor and the rear beam and the rear floor, aiming at solving the problem that the left/right rear longitudinal beam cannot be shared due to the change of the space layout of the vehicle in the prior art, and a new mold needs to be opened question.
  • a lap joint structure between the rear cross beam of the front floor and the rear floor includes a rear floor cross beam for connecting the rear cross beam of the front floor and the rear floor, and The side is used to fix the rear longitudinal beam of the rear floor, and the rear sill connecting plate arranged on the rear longitudinal beam on both sides is used for adjusting the depth to adapt to the sharing of the rear longitudinal beam with other parts.
  • the overlapping structure further includes front floor connecting brackets arranged on the left and right sides of the rear floor crossbeam for connecting the front floor rear crossbeam.
  • the overlapping structure also includes rear longitudinal beams arranged at the tails of the rear longitudinal beams on both sides for adjusting the length of the rear longitudinal beams so as to adapt to the rear longitudinal beams shared by the rear longitudinal beams and other parts. connectors.
  • the overlapping structure further includes overlapping beams arranged on the rear longitudinal beams on both sides for overlapping the rear floor and the spare tire compartment.
  • a further technical solution of the present application is: the rear longitudinal beams on both sides are provided with rear support plates for supporting the rear floor.
  • the overlapping structure further includes supporting connecting beams arranged at the ends of the rear longitudinal beams on both sides for supporting the spare tire compartment.
  • the beneficial effects of the application are: through this kind of overlapping structure, the problem of shared use of the left/right rear longitudinal beam of the newly developed vehicle model of the same platform is solved, the development cost is saved, the parts development cycle is shortened, and the problem of parts delivery is reduced. Because the newly developed parts may TIR problems, quality problems, etc., and this kind of lap joint structure reduce the later maintenance of parts, and increase the material utilization rate of the rear longitudinal beam by 8%.
  • this kind of lap joint structure is simple in structure and low in cost, and there is no need to open a new mold.
  • Fig. 1 is an exploded view of a lap joint structure between a front floor rear beam and a rear floor provided in an embodiment of the present application;
  • Fig. 2 is an assembly diagram of an overlapping structure between a front floor rear beam and a rear floor provided in an embodiment of the present application;
  • Fig. 3 is a connection cross-sectional view of a front floor connection bracket of a lap joint structure between a front floor rear beam and a rear floor provided by an embodiment of the present application;
  • Fig. 4 is a connection sectional view of a rear support plate of an overlapping structure between a front floor rear beam and a rear floor provided by an embodiment of the present application.
  • Figures 1-4 show a lap joint structure between the front floor rear cross beam and the rear floor provided by the present application
  • the lap joint structure includes a rear floor cross beam 3 for connecting the front floor rear cross beam 1 and the rear floor 2, set
  • the rear longitudinal beams 4 used to fix the rear floor 2 on both sides of the rear floor beam 3, and the rear longitudinal beams 4 on both sides are used to adjust the depth to adapt to the rear longitudinal beams 4 shared with other parts.
  • Rear door sill connecting plate 5 5.
  • the depth of the rear door sill connecting plate 5 on both sides can be changed to realize the sharing of the left/right rear longitudinal beam 4 and other parts.
  • the overlapping structure also includes front floor connecting brackets 6 arranged on the left and right sides of the rear floor beam 3 for connecting the front floor rear beam 1 .
  • front floor connecting brackets 6 arranged on the left and right sides of the rear floor beam 3 for connecting the front floor rear beam 1 .
  • the overlapping structure also includes a rear connector 7 arranged at the tail of the rear longitudinal beam 4 on both sides for adjusting the length of the rear longitudinal beam 4 to accommodate the rear longitudinal beam 4 shared with other parts.
  • a rear connector 7 arranged at the tail of the rear longitudinal beam 4 on both sides for adjusting the length of the rear longitudinal beam 4 to accommodate the rear longitudinal beam 4 shared with other parts.
  • the rear support plates 9 for supporting the rear floor 2 are arranged on the rear longitudinal beams 4 on both sides.
  • a rear support plate 9 is added between the rear floor 2 and the rear longitudinal beam 4. After that, the position of the support plate 9 starts on the rear longitudinal beam 4 and ends after the rear seat installation point 11, so that the rear floor 2 and the rear support plate 9 solder joint connection, and then the rear support plate 9 is connected with the rear longitudinal beam 4.
  • the rear floor 2 of the newly developed model needs to move up and down as a whole (Z direction) due to space problems, it can be absorbed by changing the length of the rear support plate 9 in the Z direction. , realizing the common use of the left/right rear longitudinal beam 4.
  • the overlapping structure also includes overlapping beams 8 arranged on the rear longitudinal beams 4 on both sides for overlapping the rear floor 2 and the spare tire compartment 12 .
  • the overlapping structure also includes supporting connecting beams 10 arranged at the ends of the rear longitudinal beams 4 on both sides for supporting the spare tire compartment 12 .
  • the overlapping of the rear floor 2 and the spare tire compartment 12 is ensured by overlapping the beam 8 , and the structural strength of the spare tire compartment 12 is ensured by supporting the connecting beam 10 .
  • This kind of lap joint structure solves the problem of sharing the left/right rear longitudinal beam of newly developed models on the same platform, saves development costs, shortens the development cycle of parts, and reduces the problem of parts delivery.
  • Newly developed parts may cause TIR problems, quality problems, etc.
  • this kind of overlapping structure reduces the problem of later maintenance of parts, and improves the material utilization rate of the rear longitudinal beam by 8%.
  • this kind of overlapping structure is simple in structure, low in cost, and does not need to open a new mold.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种前地板后横梁与后地板的搭接结构,搭接结构包括用于连接前地板后横梁（1）与后地板（2）的后地板横梁（3），设置在后地板横梁（3）两侧用于固定后地板（2）的后纵梁（4）,及设置在两侧后纵梁（4）上用于调节深度以适应后纵梁（4）与其它零件共用的后门槛连接板（5）。当新开发车型因为宽度变化时，可通过改变两侧后门槛连接板（5）的深度，实现左/右后纵梁（4）以及其它零件的共用。

Description

一种前地板后横梁与后地板的搭接结构
本申请要求于2022年02月25日提交中国专利局，申请号为202220396430.X、申请名称为“一种前地板后横梁与后地板的搭接结构”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及前地板后横梁与后地板搭接领域，尤其涉及一种前地板后横梁与后地板的搭接结构。
背景技术
目前后部下车体含有左/右后纵梁2个PB件，若新开发，产生的模具费达几百上千万。传统的后纵梁与后地板的搭接结构是后地板的前半部分与后纵梁连接件焊点连接，后地板的后半部分与后纵梁焊点连接。当因车型空间布置需要变化时，左/右后纵梁无法共用，需新开模具。
申请内容
本申请的目的在于提供一种前地板后横梁与后地板的搭接结构，旨在解决现有技术中因车型空间布置需要变化时，左/右后纵梁无法共用，需新开模具的技术问题。
本申请是这样实现的，一种前地板后横梁与后地板的搭接结构，所述搭接结构包括用于连接前地板后横梁与后地板的后地板横梁，设置在所述后地板横梁两侧用于固定后地板的后纵梁，及设置在两侧所述后纵梁上用于调节深度以适应所述后纵梁与其它零件共用的后门槛连接板。
本申请的进一步技术方案是：所述搭接结构还包括设置在所述后地板横梁左右两侧用于连接前地板后横梁的前地板连接支架。
本申请的进一步技术方案是：所述搭接结构还包括设置在两侧所述后纵梁尾部用于调节所述后纵梁长度以适应所述后纵梁与其它零件共用的后纵梁后连接件。
本申请的进一步技术方案是：所述搭接结构还包括设置在两侧所述后纵梁上用于搭接后地板与备胎仓的搭接横梁。
本申请的进一步技术方案是：两侧所述后纵梁上设置有用于支撑后地板的后支撑板。
本申请的进一步技术方案是：所述搭接结构还包括设置在两侧所述后纵梁末端用于支撑备胎仓的支撑连接横梁。
本申请的有益效果是：通过此种搭接结构解决了同平台新开发车型，左/右后纵梁共用问题，节省开发费用，缩短零件开发周期，降低零件交样问题，由于新开发零件可能产生TIR问题、质量问题等，而此种搭接结构降低了零件后期维护问题，并且使后纵梁的材料利用率提升了8％，另外后纵梁是B280VK-FB-D，t＝1.6，增加的后支撑板是B280VK-FB-D，t＝1.2，共减轻重量约0.2kg，还有就是此种搭接结构在结构上简单，成 本低，无需另外进行新开模具。
本申请实施例的其他特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本申请实施例而了解。本申请实施例的目的和其他优点在说明书以及附图所特别指出的结构来实现和获得。
附图说明
图1是本申请实施例提供的一种前地板后横梁与后地板的搭接结构的爆炸图；
图2是本申请实施例提供的一种前地板后横梁与后地板的搭接结构的组装图；
图3是本申请实施例提供的一种前地板后横梁与后地板的搭接结构的前地板连接支架的连接剖视图；
图4是本申请实施例提供的一种前地板后横梁与后地板的搭接结构的后支撑板的连接剖视图。
其中，附图标记说明如下：
1-前地板后横梁；2-后地板；3-后地板横梁；4-后纵梁；5-后门槛连接板；6-前地板连接支架；7-后纵梁后连接件；8-搭接横梁；9-后支撑板；10-支撑连接横梁；11-后座椅安装点；12-备胎仓。
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理。
具体实施方式
为了更好的理解本申请的技术方案，下面结合附图对本申请实施例进行详细描述。
图1-4示出了本申请提供的一种前地板后横梁与后地板的搭接结构，所述搭接结构包括用于连接前地板后横梁1与后地板2的后地板横梁3，设置在所述后地板横梁3两侧用于固定后地板2的后纵梁4，及设置在两侧所述后纵梁4上用于调节深度以适应所述后纵梁4与其它零件共用的后门槛连接板5。当新开发车型因为宽度变化(Y向)时，可通过改变两侧后门槛连接板5的深度，实现左/右后纵梁4以及其它零件的共用。
所述搭接结构还包括设置在所述后地板横梁3左右两侧用于连接前地板后横梁1的前地板连接支架6。当新开发车型因为轴距(X向)变化时，可通过改变后门槛连接板5、前地板连接支架6、后地板横梁3及前地板后横梁1的X向长度吸收，实现左/右后纵梁4以及其它零件的共用。
所述搭接结构还包括设置在两侧所述后纵梁4尾部用于调节所述后纵梁4长度以适应所述后纵梁4与其它零件共用的后纵梁后连接件7。当新开发车型因为后悬长度(X向)变化时，可通过改变两侧后纵梁后连接件7的X向长度，实现左/右后纵梁4以及其它零件的共用。
两侧所述后纵梁4上设置有用于支撑后地板2的后支撑板9。在后地板2和后纵梁4间增加一个后支撑板9，此后支撑板9的位置起始于后纵梁4上，终止于后座椅安装点11之后，使后地板2与后支撑板9焊点连接，然后后支撑板9与后纵梁4连接，当新开发车 型因为空间问题，后地板2需要整体上下移动时(Z向)，可通过改变后支撑板9的Z向长度吸收，实现左/右后纵梁4共用。
所述搭接结构还包括设置在两侧所述后纵梁4上用于搭接后地板2与备胎仓12的搭接横梁8。所述搭接结构还包括设置在两侧所述后纵梁4末端用于支撑备胎仓12的支撑连接横梁10。通过搭接横梁8以保证后地板2与备胎仓12的搭接，通过支撑连接横梁10以保证备胎仓12的结构强度。
通过此种搭接结构解决了同平台新开发车型，左/右后纵梁共用问题，节省开发费用，缩短零件开发周期，降低零件交样问题，由于新开发零件可能产生TIR问题、质量问题等，而此种搭接结构降低了零件后期维护问题，并且使后纵梁的材料利用率提升了8％，另外后纵梁是B280VK-FB-D，t＝1.6，增加的后支撑板是B280VK-FB-D，t＝1.2，共减轻重量约0.2kg，还有就是此种搭接结构在结构上简单，成本低，无需另外进行新开模具。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请保护的范围之内。

Claims (6)

  1. 一种前地板后横梁与后地板的搭接结构，其特征在于：所述搭接结构包括用于连接前地板后横梁与后地板的后地板横梁，设置在所述后地板横梁两侧用于固定后地板的后纵梁，及设置在两侧所述后纵梁上用于调节深度以适应所述后纵梁与其它零件共用的后门槛连接板。
  2. 根据权利要求1所述的搭接结构，其特征在于，所述搭接结构还包括设置在所述后地板横梁左右两侧用于连接前地板后横梁的前地板连接支架。
  3. 根据权利要求2所述的搭接结构，其特征在于，所述搭接结构还包括设置在两侧所述后纵梁尾部用于调节所述后纵梁长度以适应所述后纵梁与其它零件共用的后纵梁后连接件。
  4. 根据权利要求3所述的搭接结构，其特征在于，所述搭接结构还包括设置在两侧所述后纵梁上用于搭接后地板与备胎仓的搭接横梁。
  5. 根据权利要求4所述的搭接结构，其特征在于，两侧所述后纵梁上设置有用于支撑后地板的后支撑板。
  6. 根据权利要求5所述的搭接结构，其特征在于，所述搭接结构还包括设置在两侧所述后纵梁末端用于支撑备胎仓的支撑连接横梁。
PCT/CN2023/071563 2022-02-25 2023-01-10 一种前地板后横梁与后地板的搭接结构 WO2023160291A1 (zh)

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CN217048809U (zh) * 2022-02-25 2022-07-26 上汽通用五菱汽车股份有限公司 一种前地板后横梁与后地板的搭接结构

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CN202320500U (zh) * 2011-11-10 2012-07-11 无锡同捷汽车设计有限公司 可调节长度的汽车纵梁结构
CN206107363U (zh) * 2016-10-15 2017-04-19 上海世科嘉车辆技术研发有限公司 一种长度可调的汽车地板
CN208264359U (zh) * 2018-05-31 2018-12-21 长城汽车股份有限公司 地板搭接结构及车辆
CN211442506U (zh) * 2019-12-25 2020-09-08 观致汽车有限公司 车身组件及具有该车身组件的车辆
CN214493116U (zh) * 2021-01-06 2021-10-26 广州汽车集团股份有限公司 混合动力汽车及其后地板结构
CN217048809U (zh) * 2022-02-25 2022-07-26 上汽通用五菱汽车股份有限公司 一种前地板后横梁与后地板的搭接结构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202320500U (zh) * 2011-11-10 2012-07-11 无锡同捷汽车设计有限公司 可调节长度的汽车纵梁结构
CN206107363U (zh) * 2016-10-15 2017-04-19 上海世科嘉车辆技术研发有限公司 一种长度可调的汽车地板
CN208264359U (zh) * 2018-05-31 2018-12-21 长城汽车股份有限公司 地板搭接结构及车辆
CN211442506U (zh) * 2019-12-25 2020-09-08 观致汽车有限公司 车身组件及具有该车身组件的车辆
CN214493116U (zh) * 2021-01-06 2021-10-26 广州汽车集团股份有限公司 混合动力汽车及其后地板结构
CN217048809U (zh) * 2022-02-25 2022-07-26 上汽通用五菱汽车股份有限公司 一种前地板后横梁与后地板的搭接结构

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