CN103192890A - Rear body structure of vehicle - Google Patents

Rear body structure of vehicle Download PDF

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Publication number
CN103192890A
CN103192890A CN2012105876713A CN201210587671A CN103192890A CN 103192890 A CN103192890 A CN 103192890A CN 2012105876713 A CN2012105876713 A CN 2012105876713A CN 201210587671 A CN201210587671 A CN 201210587671A CN 103192890 A CN103192890 A CN 103192890A
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CN
China
Prior art keywords
vehicle
storage compartment
reinforced rib
reinforced
centre portion
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Granted
Application number
CN2012105876713A
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Chinese (zh)
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CN103192890B (en
Inventor
前田崇雅
户石美香
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Mitsubishi Motors Corp
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Mitsubishi Motors Corp
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Publication of CN103192890A publication Critical patent/CN103192890A/en
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Publication of CN103192890B publication Critical patent/CN103192890B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a rear body structure of a vehicle, a recessed storage part suitable for storing a spare tire is formed in a bottom plate at the rear part of the vehicle, and a draw hook is arranged at the rear side of the lower part of the storage part. The storage part comprises a bottom wall which includes a periphery part of tire part of a spare tire to be supported, a middle part which is lower than the periphery part and in which the tire part of the spare tire is stored, and a step part defined between the periphery part and the middle part; and a plurality of reinforcing ribs, intervals being formed among the plurality of reinforcing ribs and the plurality of reinforcing ribs extending radially from middle parts. The draw hook is connected to the middle part of the storage part through a fastener. At least a part of the plurality of reinforcing ribs which extend from the middle parts toward the front side of the vehicle are formed to be conveniently separated at the step part.

Description

The rear vehicle body structure of vehicle
The cross reference of related application
The application is based on the No.2012-000630 of Japanese patent application formerly that submitted on January 5th, 2012 and require the benefit of priority of this patent application, by quoting as proof its content whole is contained in this.
Technical field
The present invention relates to a kind of technology of intensity of the spare tyre storage compartment that improves vehicle rear.
Background technology
In correlation technique, in various automobile rears, the storage compartment of spare tire storage is set.For example, the storage compartment of spare tyre is configured to form according to the shape of the spare tyre in the automobile rear base plate recessed portion of circular.
In addition, a kind of vehicle is arranged, wherein, go up from the centre portion of the storage location of spare tyre at the base plate (bottom plate) of spare tyre storage compartment rib radially is set, be used for improving the intensity (rigidity) (for example, referring to JP-A-2007-38839 and JP-A-200996345) of storage compartment self.
In addition, a kind of vehicle is arranged, it has such structure, wherein, hauling hook (towing hook) is set, and a part of importing from the load of hauling hook supports (for example, referring to JP-A-9-2336) by storage compartment below the rear portion of spare tyre storage compartment.Particularly, the attached hook housing (hook bracket) of hauling hook extends towards the front portion of vehicle, and hook housing is connected between the centre portion (centre portion of spare tyre is fixed to this centre portion) and hauling hook of the storage location of spare tyre, thereby supports input load.
In addition, by will in JP-A-2007-38839 and JP-A-2009-96345, obtaining a kind of structure with disclosed tectonic association in JP-A-9-2336 by disclosed reinforced rib (bead), wherein, can be sent to the assembly of vehicle front side by hauling hook and reinforced rib effectively by the load on the longitudinal direction of hauling hook input.
Mention by way of parenthesis, in recent years, in order for example to improve consumption of fuel, attempted alleviating the weight of vehicle body, and the trend that exists the thickness of the plate make the spare tyre storage compartment to reduce.
Like this, realize alleviating of weight by the thickness that reduces plate.Yet, there is a problem, that is, can not guarantee enough intensity even if form reinforced rib, and storage compartment is easy of input load is out of shape in traction.For example, when because traction when making input towards the tension load of vehicle rear-side, because the compression effort on vehicle-width direction (horizontal direction) is applied in the part between the reinforced rib of vehicle front side extension, there are such misgivings, namely on vehicle-width direction, may shrink between the reinforced rib, and warpage (buckling) may take place.In addition, when input during towards the compressive load of vehicle front side, because compression effort concentrates in the specific reinforced rib (reinforced rib that extends in the adjacent domain of the centre of vehicle front side on vehicle-width direction), there are such misgivings, namely the centre portion of reinforced rib may warpage.Also namely, cause local deformation or damage easily because reduce thickness, so be difficult to realize expendable weight and proof strength simultaneously.
Summary of the invention
Make the present invention to address the above problem, and an object of the present invention is to provide a kind of rear vehicle body structure (rear body structure) of vehicle, this rear vehicle body structure can suppress load concentration of local and the assurance necessary strength that vehicle rear is used for the storage compartment of spare tyre.
According to the present invention, a kind of rear vehicle body structure of vehicle is provided, the recessed storage compartment that wherein is applicable to spare tire storage is formed in the base plate of vehicle rear, and in the rear side of the bottom of storage compartment, hauling hook is set, wherein, storage compartment comprises: diapire, it comprise outer peripheral portion, the wheel lower than outer peripheral portion and spare tyre of the tire part of spare tyre to be supported partly wait to be stored in centre portion wherein and be limited to outer peripheral portion and centre portion between step part; And a plurality of reinforced ribs, being formed with interval and described a plurality of reinforced rib between described a plurality of reinforced rib radially extends from the centre part, hauling hook is connected to the centre portion of storage compartment by reinforcing member, and a part of reinforced rib that extends from the centre part towards vehicle front side of described at least a plurality of reinforced ribs forms in order to be separated in the stage portion office.
This part reinforced rib of described a plurality of reinforced ribs can extend to the outside in the radial direction in order to exceed the marginal portion of storage compartment.
According to an aspect of the present invention, because the reinforced rib that radially extends from the centre part, the part of the reinforced rib that extends towards vehicle front side does not form and forms in the stage portion office in step part and is separated, so when the tension load towards vehicle rear-side is applied to storage compartment from hauling hook, step part works in order to bear the compressive load that produces between the reinforced rib that extends towards vehicle front side, and can suppress the warpage between the reinforced rib.In addition, when the compressive load towards vehicle front side is applied to storage compartment from hauling hook, the load of the reinforced rib in the adjacent domain of the centre on the vehicle-width direction is sent to reinforced rib by step part and this load is dispersed in the front side because input to, so can suppress load centralization to specific reinforced rib.
In addition, radially extend and be arranged on reinforced rib in the storage compartment be configured to by utilization form the step part that supports spare tyre will be in a longitudinal direction since the load that traction produces disperse, thereby and can guarantee the intensity of storage compartment by simple relatively structure.
Like this, because because the distortion of the storage compartment that tractive load causes and damage can suppress effectively by simple structure, even so reduce the thickness of the storage compartment of spare tyre for expendable weight, also can easily realize alleviating and intensity of weight.
According to an aspect of the present invention, because reinforced rib exceeds the marginal portion of storage compartment and is extending to the outside in the radial direction, so the marginal portion that load is concentrated easily reinforces by reinforced rib, can suppress distortion and the damage of the edge part office of storage compartment.
Description of drawings
Fig. 1 shows the birds-eye view according to the rear vehicle body structure of the vehicle of an embodiment of the invention.
Fig. 2 is the longitudinal cross-section view at the rear portion of vehicle shown in Figure 1.
Fig. 3 shows the birds-eye view of rear vehicle body structure of the vehicle of case of comparative examples.
Fig. 4 is the longitudinal cross-section view at the rear portion of vehicle shown in Figure 3.
The specific embodiment
Embodiments of the present invention are described below with reference to accompanying drawings.
Fig. 1 is the birds-eye view that illustrates according to the rear vehicle body structure of the vehicle of an embodiment of the invention.Fig. 2 is the longitudinal cross-section view at the rear portion of vehicle shown in Figure 1.
As depicted in figs. 1 and 2, the storage compartment 4 of spare tire storage 3 is arranged on the base plate 2 of luggage compartment at automobile (hereinafter referred to as vehicle 1) rear portion of present embodiment.The storage compartment 4 that is used for spare tyre 3 is configured to form at base plate 2 according to the shape of spare tyre 3 recessed portion of circular, and this storage compartment is arranged in a longitudinal direction between a pair of side frame 5 and 6 that extends in the left side of vehicle and right side, and is arranged on and is positioned on the base plate 2 the rear side place of side frame 5 with 6 crossbeams 7 that laterally are connected.
Bolt 10 is erected among the pars intermedia CL of storage compartment 4, and bolt 10 is tightened to a kind of state by nut 11, and wherein, bolt 10 passes the interstitial hole of spare tyre 3, thereby spare tyre 3 is fixed to the inside of storage compartment 4.
Diapire 12 at storage compartment 4 arranges arc step part 15, makes centre portion 14 be configured to the recessed shape more downward than outer peripheral portion 13.The outer peripheral portion 13 of diapire 12 supports the tire part 3a of spare tyre 3, and the wheel part 3b of spare tyre 3 can be stored in the centre portion 14 of diapire 12.
Reinforcing member 16 is arranged to extend to from the fixed position of bolt 10 end of the rear side on the lower surface of diapire 12 of storage compartment 4.In addition, be fixed to the rear end of reinforcing member 16 for the hook (hauling hook) 17 of traction.
A plurality of reinforced ribs 20,21,22 are arranged in have between them at interval, thereby stretching out in the radial direction on the diapire 12 of storage compartment 4 from the adjacent domain that is positioned at the reinforcing member 16 on the centre portion 14.Diapire 12 downwards recessed degree to several millimeters to form reinforced rib 20-22.In addition, be provided with 11 reinforced rib 20-22 in the present embodiment altogether, in these reinforced ribs, because the restriction of installing space, three reinforced ribs 20 in the adjacent domain of the centre on vehicle-width direction (horizontal direction) and 21 rear end are integrally formed.
Especially, in the present embodiment, a plurality of (being five in the present embodiment) reinforced ribs 20 and the 21(of front side are arranged in the adjacent domain of the centre on the vehicle-width direction) in step part 15, do not form but form at step part 15 places and be separated.
In addition, reinforced rib 20 and 22 outer end in the radial direction extend to so that in the marginal portion 25 that outwards exceeds storage compartment 4 in the radial direction.
According to above-mentioned structure, in vehicle 1 because from hook 17 input to the stretching of storage compartment 4 and compressive load by reinforced rib 20 and 21 and step part 15 be dispensed to the front side effectively, thereby can suppress the concentration of local of load.
Here, reinforced rib is formed the case of comparative examples (structure of correlation technique) of extending at step part 15 compare with above-mentioned embodiment of the present invention, specifically described difference and effect of the present invention aspect the effect of the load in storage compartment 4.
Fig. 3 is the birds-eye view of rear vehicle body structure that the vehicle 30 of case of comparative examples is shown.
The storage compartment 4 of the vehicle 30 of case of comparative examples shown in Figure 3 is with the difference of the storage compartment 4 of above-mentioned present embodiment, the reinforced rib 20 and 21 that is arranged in the place, front side on the centre portion 14 forms at step part 15, and it is continuous forming in the longitudinal direction of car direction, thereby across step part 15.In addition, the reinforced rib 20 and 21 at the place, front side on the storage compartment 4 extends to the rear side of the marginal portion 25 of storage compartment 4 forward, and length in a longitudinal direction is short.In vehicle 30, because the reinforced rib 21 at place, front side forms in step part 15, because the restriction of installing space, the quantity of reinforced rib 21 is reduced to 2 from 4.
In the storage compartment 4 of the vehicle with above-mentioned shape 30 of correlation technique, in the time will imposing on hook 17 towards the tension load of vehicle rear-side, this load imposes on the centre portion 14 of storage compartment 4 by reinforcing member 16, and the reinforced rib 20 and 21 that is positioned at the front sides place more farther than reinforcing member 16 is pulled to the rear side of vehicle.Thereby, two reinforced ribs 21 are used on the reinforced rib 21 towards the masterpiece that moves in the centre on the vehicle-width direction, and compressive load is applied between reinforced rib 20 and the reinforced rib 21.Under the situation of the plate thickness of the diapire 12 that reduces storage compartment 4 for expendable weight, there are such misgivings, namely possibly can't support compressive load, and diapire 12 may on the vehicle-width direction between reinforced rib 20 and 21 in that the place, front side of the centre portion 14 of warpage is compressed.
When compressive load applied from hook 17 towards vehicle front side, because the reinforced rib 20 of Yan Shening is reinforced part 16 by the middle place that is pressed on the vehicle-width direction in a longitudinal direction, load centralization was in reinforced rib 20.Therefore, equally in this case, under the situation that the plate thickness of the diapire 12 of storage compartment 4 reduces, have such misgivings, namely reinforced rib 20 can not bear load and may warpage.Like this, in the structure of correlation technique, because load generation concentration of local, and because storage compartment 4 is easily owing to tractive load is out of shape under the situation that plate thickness reduces, so realize that alleviating of weight is difficult.
In addition, because the front end that is positioned at the middle reinforced rib of locating 20 of vehicle-width direction extends to the rear side of marginal portion 25 forward, so compressive load concentrates on the adjacent domain (zone that Fig. 3 represents with C) of the marginal portion 25 at the place, front side that is arranged in reinforced rib 20, and the adjacent domain easy deformation of marginal portion 25.
On the other hand, in the storage compartment 4 of present embodiment, because being arranged in the reinforced rib 20 and 21 that extends the front side of place, front side from middle part 14 towards vehicle does not form at step part 15, but be configured to be separated at step part 15 places, so step part 15 has and reinforced rib identical functions in the substantial transverse extension of part that is arranged in the front side place on the storage compartment 4.Therefore, when applying drawing stress towards vehicle rear-side by reinforcing member 16 from hook 17, thereby step part 15 works and bear the compressive load that produces between reinforced rib 20 and reinforced rib 21, and can suppress the warpage of diapire 12 between reinforced rib 20 and 21.
In addition, in the time will inputing to centre portion 14 by reinforcing member 16 from hook 17 towards the compressive load of vehicle front side, the load that inputs to the reinforced rib 20 at the middle place that is positioned at vehicle-width direction is sent to a plurality of reinforced ribs 21 by step part 15, and this load is assigned to the front side.Thereby the load centralization that can suppress reinforced rib 20.
In addition, in the present embodiment, extend until the outside of the marginal portion 25 of storage compartment 4 because be positioned at the end of reinforced rib 20,21 and 22 outside in the radial direction, so compressive load is not concentrated, and can suppress distortion and the damage of marginal portion 25 in marginal portion 25.
Like this, in the present embodiment, be arranged on a plurality of radially reinforced ribs 20 and 21 in the storage compartment 4 and be configured to form so that the step part 15 of spare tire storage 3 and load is disperseed by utilization, thereby and, the intensity of storage compartment 4 can be guaranteed by simple relatively structure.
In addition, because can be by simple structure and inhibition effectively owing to input to the distortion of the tension load of storage compartment 4 or the storage compartment 4 that compressive load (causing owing to drawing) causes and damage from hook 17, so, even reduce the thickness of storage compartment 4 for expendable weight, also abundant proof strength, and can easily realize the intensity with storage compartment 4 of alleviating of vehicle weight.
In addition, the invention is not restricted to above-mentioned embodiment.For example, the quantity of the reinforced rib 20-22 that installs can change according to the size of storage compartment 4.The present invention can be widely used in the vehicle that comprises haply at the step part that extends in a lateral direction of the diapire of the storage compartment that is used for spare tyre.

Claims (2)

1. the rear vehicle body structure of a vehicle wherein, forms the recessed storage compartment that is applicable to spare tire storage in the base plate at the rear portion of described vehicle, and in the rear side of the bottom of described storage compartment hauling hook is set, and it is characterized in that
Described storage compartment comprises:
Diapire, described diapire comprises:
Outer peripheral portion, the tire part of described outer peripheral portion described spare tyre to be supported,
Centre portion, described centre portion is lower than described outer peripheral portion, and the wheel of described spare tyre partly waits to be stored in the described centre portion, and
Step part, described step part are limited between described outer peripheral portion and the described centre portion; And
A plurality of reinforced ribs are formed with between described a plurality of reinforced ribs at interval and described a plurality of reinforced rib radially extends from described centre portion,
Described hauling hook is connected to the described centre portion of described storage compartment by reinforcing member, and
At least a part of reinforced rib that extend the front side from described centre portion towards described vehicle in described a plurality of reinforced ribs forms in order to be separated in described stage portion office.
2. rear vehicle body structure according to claim 1 is characterized in that, described a part of reinforced rib of described a plurality of reinforced ribs is extending to the outside in the radial direction, to exceed the marginal portion of described storage compartment.
CN201210587671.3A 2012-01-05 2012-12-28 The rear vehicle body structure of vehicle Expired - Fee Related CN103192890B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-000630 2012-01-05
JP2012000630A JP5354225B2 (en) 2012-01-05 2012-01-05 Rear body structure of the vehicle

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CN103192890A true CN103192890A (en) 2013-07-10
CN103192890B CN103192890B (en) 2016-08-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104787124A (en) * 2015-03-31 2015-07-22 金华职业技术学院 Limousine spare wheel basin supporting plate and rear floor beam frame assembly
CN105835959A (en) * 2016-04-12 2016-08-10 奇瑞商用车(安徽)有限公司 Automobile rear floor spare tire groove structure
CN112660253A (en) * 2019-10-15 2021-04-16 丰田自动车株式会社 Electric vehicle

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Publication number Priority date Publication date Assignee Title
JP6283998B2 (en) * 2013-12-13 2018-02-28 スズキ株式会社 Vehicle floor structure
KR20160117576A (en) * 2014-03-14 2016-10-10 신닛테츠스미킨 카부시키카이샤 Panel
WO2018124973A1 (en) * 2016-12-28 2018-07-05 Asian Honda Motor Co., Ltd Rear floor panel structure for vehicle

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JP2010202105A (en) * 2009-03-05 2010-09-16 Suzuki Motor Corp Rear floor structure of vehicle body rear part
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Publication number Priority date Publication date Assignee Title
JP2000142478A (en) * 1998-11-13 2000-05-23 Honda Motor Co Ltd Car body structure for rear portion of automobile
JP3670233B2 (en) * 2001-10-16 2005-07-13 本田技研工業株式会社 Auto body structure
JP2004058696A (en) * 2002-07-24 2004-02-26 Honda Motor Co Ltd Floor structure of vehicle body rear part
JP2004322920A (en) * 2003-04-25 2004-11-18 Mazda Motor Corp Floor panel structure for car body
CN1944156A (en) * 2005-10-05 2007-04-11 马自达汽车株式会社 Lower structure of car body
JP2008230354A (en) * 2007-03-19 2008-10-02 Toyota Motor Corp Spare tire storage part structure and vehicle body lower part structure
JP2010202105A (en) * 2009-03-05 2010-09-16 Suzuki Motor Corp Rear floor structure of vehicle body rear part
US20110156431A1 (en) * 2009-12-24 2011-06-30 Suzuki Motor Corporation Lower structure of vehicle body rear portion
CN101797934A (en) * 2010-03-31 2010-08-11 奇瑞汽车股份有限公司 Structure of body of rear shock absorber bearing for car

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104787124A (en) * 2015-03-31 2015-07-22 金华职业技术学院 Limousine spare wheel basin supporting plate and rear floor beam frame assembly
CN105835959A (en) * 2016-04-12 2016-08-10 奇瑞商用车(安徽)有限公司 Automobile rear floor spare tire groove structure
CN112660253A (en) * 2019-10-15 2021-04-16 丰田自动车株式会社 Electric vehicle

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TWI543898B (en) 2016-08-01
TW201343449A (en) 2013-11-01
JP5354225B2 (en) 2013-11-27
CN103192890B (en) 2016-08-24
JP2013139216A (en) 2013-07-18

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Address after: Tokyo Port Area, Japan

Patentee after: Mitsubishi Jidosha Kogyo Kabushiki Kaisha

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Granted publication date: 20160824