CN111994174B - Floor assembly and car behind sectional type - Google Patents

Floor assembly and car behind sectional type Download PDF

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Publication number
CN111994174B
CN111994174B CN202010743810.1A CN202010743810A CN111994174B CN 111994174 B CN111994174 B CN 111994174B CN 202010743810 A CN202010743810 A CN 202010743810A CN 111994174 B CN111994174 B CN 111994174B
Authority
CN
China
Prior art keywords
rear floor
floor
longitudinal beam
sections
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202010743810.1A
Other languages
Chinese (zh)
Other versions
CN111994174A (en
Inventor
郭强
蔡剑峰
单丰武
姜筱华
杨大刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jiangling Group New Energy Automobile Co Ltd
Original Assignee
Jiangxi Jiangling Group New Energy Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Jiangling Group New Energy Automobile Co Ltd filed Critical Jiangxi Jiangling Group New Energy Automobile Co Ltd
Priority to CN202010743810.1A priority Critical patent/CN111994174B/en
Publication of CN111994174A publication Critical patent/CN111994174A/en
Application granted granted Critical
Publication of CN111994174B publication Critical patent/CN111994174B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • B62D25/2054Load carrying floors for commercial vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/005Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
    • B60N2/015Attaching seats directly to vehicle chassis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/008Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438Arrangement under the floor

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

Abstract

The invention discloses a sectional type rear floor assembly and an automobile, wherein the sectional type rear floor assembly comprises a rear floor front cross beam, a rear floor front panel and a rear floor rear panel, the rear floor front panel is positioned between the rear floor front cross beam and the rear floor rear panel, rear longitudinal beam rear sections are arranged at two ends of the rear floor rear panel, rear longitudinal beam front sections are arranged at two ends of the rear floor front cross beam and two ends of the rear floor front panel, the rear longitudinal beam front sections are connected with the rear longitudinal beam rear sections, the rear longitudinal beam front sections and the rear longitudinal beam rear sections form a rear longitudinal beam, the length of the rear longitudinal beam rear sections is smaller than that of the rear longitudinal beam front sections, and the strength of the rear longitudinal beam rear sections is smaller than that of the rear longitudinal beam front sections. The invention can solve the problem that the rear longitudinal beam is integrally damaged when rear collision occurs in the prior art.

Description

Floor assembly and car behind sectional type
Technical Field
The invention relates to the technical field of automobile parts, in particular to a sectional type rear floor assembly and an automobile.
Background
With the rapid development of the automobile industry, automobiles have become one of indispensable vehicles for people to go out. The automobile keeping quantity is increased year by year, more and more people own private automobiles, and the popularization of automobiles brings development to the manufacture and design of automobile parts.
The rear floor assembly is one of important components of an automobile, the rear floor assembly mainly comprises a rear longitudinal beam and a rear floor panel, and in the prior art, when the automobile is in rear collision, the rear longitudinal beam is generally damaged or even broken integrally, so that great potential safety hazards exist.
Disclosure of Invention
One object of the present invention is to provide a segmented rear floor assembly to solve the problem of the prior art that the rear side member is damaged as a whole when a rear collision occurs.
The utility model provides a floor assembly behind sectional type, includes rear floor front beam, the anterior panel of rear floor and rear floor rear portion panel, the anterior panel of rear floor is located rear floor front beam with between the rear floor rear portion panel, the both ends of rear floor rear portion panel are equipped with the back longeron back end, the both ends of rear floor front beam and the both ends of the anterior panel of rear floor are equipped with the back longeron anterior segment, the back longeron anterior segment with the back longeron back end is connected, the back longeron anterior segment with the back longeron back end is constituteed the back longeron, the length of back longeron back end is less than the length of back longeron anterior segment, just the intensity of back longeron back end is less than the intensity of back longeron anterior segment.
According to the sectional type rear floor assembly provided by the invention, the front panel of the rear floor is positioned between the front beam of the rear floor and the rear panel of the rear floor, the rear longitudinal beam rear section is arranged at two ends of the rear panel of the rear floor, and the rear longitudinal beam front section is arranged at two ends of the front beam of the rear floor and two ends of the front panel of the rear floor, so that the sectional type rear floor assembly structure is realized.
In addition, the segmented rear floor assembly provided by the invention can also have the following additional technical characteristics:
furthermore, rear floor longitudinal beam connecting pieces are arranged at two ends of the rear floor front cross beam, and one end, far away from the rear section of the rear longitudinal beam, of the front section of the rear longitudinal beam is connected with the rear floor longitudinal beam connecting pieces.
Furthermore, a rear floor panel reinforcing beam is arranged between the rear floor front cross beam and the front section of the rear longitudinal beam.
Furthermore, a rear floor middle cross beam and a rear floor rear cross beam are arranged between the rear sections of the two rear longitudinal beams, and the rear floor middle cross beam and the rear floor rear cross beam are arranged in parallel.
Furthermore, a rear floor seat reinforcing beam is arranged between the front sections of the two rear longitudinal beams, and the rear floor middle cross beam is positioned between the rear floor seat reinforcing beam and the rear floor rear cross beam.
Further, the rear floor seat reinforcing beam is arranged in parallel with the rear floor middle cross beam.
Furthermore, a battery pack fixing reinforcing beam is arranged between the rear floor seat reinforcing beam and the rear floor middle cross beam.
Furthermore, a rear shock absorption mounting sleeve and a rear suspension spring mounting plate are arranged on the front section of the rear longitudinal beam.
Furthermore, the rear floor longitudinal beam connecting piece adopts a high-pressure vacuum cast aluminum piece, the front panel of the rear floor and the rear panel of the rear floor adopt aluminum stamping plates, and the front section of the rear longitudinal beam and the rear section of the rear longitudinal beam adopt extruded aluminum profiles.
Another object of the present invention is to provide a vehicle employing the segmented rear floor assembly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a segmented rear floor assembly according to a first embodiment of the present invention from a first perspective;
FIG. 2 is a schematic structural view of a segmented rear floor assembly according to a first embodiment of the present invention from a second perspective.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed or operated in a particular manner, and is not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a sectional rear floor assembly according to a first embodiment of the present invention includes a front rear floor cross member 11, a front rear floor panel 12 and a rear floor panel 13, wherein the front rear floor panel 12 is located between the front rear floor cross member 11 and the rear floor panel 13, the front rear floor cross member 11 may be made of extruded aluminum, and the front rear floor panel 12 and the rear floor panel 13 are made of aluminum stamped plates.
The both ends of back floor rear portion panel 13 are equipped with back longeron back end 14, the both ends of back floor front beam 11 and the both ends of back floor front portion panel 12 are equipped with back longeron anterior segment 15, back longeron anterior segment 15 with back longeron back end 14 is connected, back longeron anterior segment 15 with back longeron back end 14 constitutes the back longeron, back longeron anterior segment 15 with back longeron back end 14 adopts and extrudes the aluminium alloy, specifically can adopt MIG welding process.
The length of the rear longitudinal beam rear section 14 is smaller than that of the rear longitudinal beam front section 15, and the strength of the rear longitudinal beam rear section 14 is smaller than that of the rear longitudinal beam front section 15.
In this embodiment, rear floor longitudinal beam connecting pieces 16 are arranged at two ends of the rear floor front cross beam 11, and one end, away from the rear longitudinal beam rear section 14, of the rear longitudinal beam front section 15 is connected with the rear floor longitudinal beam connecting pieces 16. Specifically, the rear floor longitudinal beam connecting piece 16 is made of high-pressure vacuum cast aluminum.
And a rear floor panel reinforcing beam 17 is arranged between the rear floor front cross beam 11 and the rear longitudinal beam front section 15 and is used for reinforcing the structural strength of the rear floor panel. Specifically, the rear floor front cross beam 11 is vertically connected with the rear longitudinal beam front section 15. The rear floor panel stiffening beam 17 may be an extruded aluminium profile.
A rear floor middle cross beam 18 and a rear floor rear cross beam 19 are arranged between the two rear longitudinal beam rear sections 14 and used for improving the structural strength of the rear longitudinal beam rear sections 14, and specifically, the rear floor middle cross beam 18 and the rear floor rear cross beam 19 are arranged in parallel. The rear floor center cross member 18 and the rear floor rear cross member 19 may be made of extruded aluminum profiles.
A rear floor seat reinforcing beam 20 is arranged between the two rear longitudinal beam front sections 15 and used for improving the installation structural strength when a rear floor seat is installed, and the rear floor middle cross beam 18 is positioned between the rear floor seat reinforcing beam 20 and the rear floor rear cross beam 19.
Specifically, the rear floor seat reinforcement beam 20 is disposed in parallel with the rear floor center cross member 18.
In this embodiment, a battery pack fixing reinforcement beam 21 is provided between the rear floor seat reinforcement beam 20 and the rear floor middle cross member 18 to reinforce the fixing strength of the battery pack. The rear floor seat reinforcement beam 20 and the battery pack fixing reinforcement beam 21 may be made of extruded aluminum profiles.
And a rear shock absorption mounting sleeve 22 and a rear suspension spring mounting plate 23 are arranged on the front section 15 of the rear longitudinal beam.
According to the sectional type rear floor assembly, the front panel 12 of the rear floor is positioned between the front beam 11 of the rear floor and the rear panel 13 of the rear floor, the rear longitudinal beam rear section 14 is arranged at two ends of the rear panel 13 of the rear floor, and the rear longitudinal beam front section 15 is arranged at two ends of the front beam 11 of the rear floor and two ends of the front panel 12 of the rear floor, so that the sectional type rear floor assembly structure is realized, because the length of the rear longitudinal beam rear section 14 is smaller than that of the rear longitudinal beam front section 15, and the strength of the rear longitudinal beam rear section 14 is smaller than that of the rear longitudinal beam front section 15, when rear collision occurs, the rear longitudinal beam rear section 14 can be guaranteed to be damaged earlier than the rear longitudinal beam front section 15, even only the rear longitudinal beam rear section 14 is damaged, and therefore, the safety is improved. In addition, the front panel 12 and the rear panel 13 of the rear floor are made of aluminum punched plates, the front section 15 of the rear longitudinal beam, the rear section 14 of the rear longitudinal beam, the reinforcing beam 17 of the rear floor panel, the middle cross beam 18 of the rear floor, the rear cross beam 19 of the rear floor, the reinforcing beam 20 of the rear floor seat and the fixing reinforcing beam 21 of the battery pack are made of extruded aluminum profiles, and the rear floor longitudinal beam connecting piece 16 is made of high-pressure vacuum aluminum casting, so that the light weight effect is better, and the improvement of the endurance mileage of a new energy automobile is facilitated.
A second embodiment of the invention is directed to an automobile including at least the segmented rear floor assembly of the first embodiment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (3)

1. A sectional type rear floor assembly is characterized by comprising a rear floor front beam, a rear floor front panel and a rear floor rear panel, wherein the rear floor front panel is positioned between the rear floor front beam and the rear floor rear panel, rear longitudinal beam rear sections are arranged at two ends of the rear floor rear panel, rear longitudinal beam front sections are arranged at two ends of the rear floor front beam and two ends of the rear floor front panel, the rear longitudinal beam front sections are connected with the rear longitudinal beam rear sections, the rear longitudinal beam front sections and the rear longitudinal beam rear sections form a rear longitudinal beam, the length of the rear longitudinal beam rear sections is smaller than that of the rear longitudinal beam front sections, the strength of the rear longitudinal beam rear sections is smaller than that of the rear longitudinal beam front sections, rear floor longitudinal beam connecting pieces are arranged at two ends of the rear floor front beam, one end, far away from the rear longitudinal beam rear sections, of the rear longitudinal beam front sections is connected with the rear floor longitudinal beam connecting pieces, the rear floor longitudinal beam connecting piece adopts a high-pressure vacuum cast aluminum piece, the front panel of the rear floor and the rear panel of the rear floor adopt aluminum stamping plates, and the front section of the rear longitudinal beam and the rear section of the rear longitudinal beam adopt extruded aluminum profiles;
a rear floor panel stiffening beam is arranged between the front cross beam of the rear floor and the front section of the rear longitudinal beam;
a rear floor middle cross beam and a rear floor rear cross beam are arranged between the rear sections of the two rear longitudinal beams, and the rear floor middle cross beam and the rear floor rear cross beam are arranged in parallel;
a rear floor seat reinforcing beam is arranged between the front sections of the two rear longitudinal beams, and the rear floor middle cross beam is positioned between the rear floor seat reinforcing beam and the rear floor rear cross beam;
the rear floor seat reinforcing beam is arranged in parallel with the rear floor middle cross beam;
and a battery pack fixing reinforcing beam is arranged between the rear floor seat reinforcing beam and the rear floor middle cross beam.
2. The segmented rear floor assembly according to claim 1 wherein a rear shock mounting sleeve and a rear suspension spring mounting plate are provided on the rear rail forward section.
3. An automobile comprising the segmented rear floor assembly of any one of claims 1 to 2.
CN202010743810.1A 2020-07-29 2020-07-29 Floor assembly and car behind sectional type Expired - Fee Related CN111994174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010743810.1A CN111994174B (en) 2020-07-29 2020-07-29 Floor assembly and car behind sectional type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010743810.1A CN111994174B (en) 2020-07-29 2020-07-29 Floor assembly and car behind sectional type

Publications (2)

Publication Number Publication Date
CN111994174A CN111994174A (en) 2020-11-27
CN111994174B true CN111994174B (en) 2022-02-01

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115416759B (en) * 2022-08-30 2023-11-24 重庆长安汽车股份有限公司 Floor structure behind platform car body and vehicle

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CN203306113U (en) * 2013-05-29 2013-11-27 东风汽车公司 Rear floor structure of electric passenger vehicle
CN103612667A (en) * 2013-12-09 2014-03-05 重庆长安汽车股份有限公司 Rear floor structure
CN203902671U (en) * 2014-06-17 2014-10-29 上海通用汽车有限公司 Rear-end vehicle body for protecting oil tank
CN205468495U (en) * 2016-01-19 2016-08-17 北京长安汽车工程技术研究有限责任公司 Electric automobile and battery package fixed knot construct thereof
CN206856808U (en) * 2017-04-27 2018-01-09 奇瑞商用车(安徽)有限公司 A kind of rear floor structure of automobile

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US7513329B2 (en) * 2005-03-02 2009-04-07 Honda Motor Co., Ltd. Vehicle rear body structure
DE102010055960A1 (en) * 2010-12-23 2011-08-25 Daimler AG, 70327 Trough part for use in body of motor vehicle i.e. passenger car, has aluminum extruded component connected with aluminum casting component and comprising chambers that are separated by walls, where components form base of trough part
CN104002874A (en) * 2014-05-23 2014-08-27 河南速达电动汽车科技有限公司 Dual-H-shaped floor structure special for battery electric vehicle
CN204978886U (en) * 2015-09-28 2016-01-20 郑州比克新能源汽车有限公司 Floor assembly before full aluminium of electricelectric motor car
CN110001792A (en) * 2019-03-18 2019-07-12 中铝材料应用研究院有限公司 Floor assembly before a kind of automobile all aluminium alloy

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203306113U (en) * 2013-05-29 2013-11-27 东风汽车公司 Rear floor structure of electric passenger vehicle
CN103612667A (en) * 2013-12-09 2014-03-05 重庆长安汽车股份有限公司 Rear floor structure
CN203902671U (en) * 2014-06-17 2014-10-29 上海通用汽车有限公司 Rear-end vehicle body for protecting oil tank
CN205468495U (en) * 2016-01-19 2016-08-17 北京长安汽车工程技术研究有限责任公司 Electric automobile and battery package fixed knot construct thereof
CN206856808U (en) * 2017-04-27 2018-01-09 奇瑞商用车(安徽)有限公司 A kind of rear floor structure of automobile

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