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JP4929072B2 - Car body rear structure - Google Patents

Car body rear structure Download PDF

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Publication number
JP4929072B2
JP4929072B2 JP2007165028A JP2007165028A JP4929072B2 JP 4929072 B2 JP4929072 B2 JP 4929072B2 JP 2007165028 A JP2007165028 A JP 2007165028A JP 2007165028 A JP2007165028 A JP 2007165028A JP 4929072 B2 JP4929072 B2 JP 4929072B2
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spare tire
vehicle body
main body
tire storage
reinforcing member
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JP2009001185A (en
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佳朗 阿部
克也 菅原
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Description

本発明は、車体の床後部に設けられ、スペアタイヤを収納する凹部廻りの剛性を向上させた車体後部構造に関するものである。   The present invention relates to a rear structure of a vehicle body that is provided at a rear portion of a floor of a vehicle body and has improved rigidity around a recess that houses a spare tire.

車体後部構造として、車体の床後部にスペアタイヤを収納する凹部を形成し、この凹部にスペアタイヤを収納して固定するものが知られている。
この種の車体後部構造は、スペアタイヤを収納する凹部を、他の機能部品と関連を持たせることなく形成されることが一般的であったが、中には他の機能部品と関連させ車体の剛性の向上を図るものもある。 2. Description of the Related Art As a vehicle body rear structure, a structure in which a recess for storing a spare tire is formed in a rear portion of a floor of a vehicle body, and a spare tire is stored and fixed in the recess.
In this type of vehicle body rear structure, a recess for storing a spare tire is generally formed without being associated with other functional parts. Some of them improve the rigidity.

このような車体後部構造として、スペアタイヤを収納する凹部の下方にクロスメンバを渡したものが知られている（例えば、特許文献１参照。）。
特開２００６−１２３７０８公報（第６頁、図１） As such a vehicle body rear structure, a structure in which a cross member is passed under a recess for storing a spare tire is known (for example, see Patent Document 1).
JP 2006-123708 A (page 6, FIG. 1)

特許文献１の技術を説明する。
図７は従来の車体後部構造の基本構成を説明する図である。
車体後部構造２００は、左・右のサイドメンバ２０１，２０２と、これらのサイドメンバ２０１，２０２を繋ぐクロスメンバ２０３と、これらの左・右のサイドメンバ２０１，２０２及びクロスメンバ２０３の上部に被せたフロアパネル２０４と、このフロアパネル２０４に形成され、スペアタイヤ（不図示）を収納するスペアタイヤ収納部２０５と、
このスペアタイヤ収納部２０５の前方に略ハ字状に配置され、且つ左右のサイドメンバに後端が連結され、ディファレンシャルギヤユニット（不図示）を支持するディファレンシャルマウントメンバ２０７，２０８と、クロスメンバ２０３の中央且つ下方に設けられ、ディファレンシャルギヤユニットを支持するディファレンシャルマウントブラケット２０９とから構成され、スペアタイヤ収納部２０５は、クロスメンバ２０３、ディファレンシャルマウントメンバ２０７，２０８及びディファレンシャルマウントブラケット２０９などで剛性の向上が図られる。 The technique of Patent Document 1 will be described.
FIG. 7 is a diagram for explaining a basic configuration of a conventional vehicle body rear structure.
The vehicle body rear structure 200 includes left and right side members 201 and 202, a cross member 203 that connects these side members 201 and 202, and covers the left and right side members 201 and 202 and the cross member 203. A floor panel 204, and a spare tire storage portion 205 that is formed on the floor panel 204 and stores a spare tire (not shown);
Differential mount members 207 and 208 that are arranged in a substantially C shape in front of the spare tire storage unit 205 and that have rear ends connected to the left and right side members to support a differential gear unit (not shown), and a cross member 203 And a differential mount bracket 209 that supports the differential gear unit. The spare tire storage unit 205 is improved in rigidity by the cross member 203, the differential mount members 207 and 208, the differential mount bracket 209, and the like. Is planned.

しかし、車体後部構造２００では、ＦＦ（front engine front drive）車においては、スペアタイヤ収納部２０５下方にディファレンシャルシャフト（不図示）などのディファレンシャルユニットが配置されないので、スペアタイヤ収納部２０５を補強することはできない。
また、車体後部構造２００では、スペアタイヤ収納部２０５の下方にディファレンシャルマウントブラケット２０９が配置されるので、スペアタイヤ収納部２０５廻りの重量の増加を招くことがある。 However, in the vehicle body rear structure 200, in a front engine front drive (FF) vehicle, since a differential unit such as a differential shaft (not shown) is not disposed below the spare tire storage unit 205, the spare tire storage unit 205 is reinforced. I can't.
Further, in the vehicle body rear structure 200, since the differential mount bracket 209 is disposed below the spare tire storage unit 205, the weight around the spare tire storage unit 205 may be increased.

本発明は、スペアタイヤ収納部廻りを簡易に補強することができ、後方からの衝撃に対する剛性の向上を図ることができる車体後部構造を提供することを課題とする。   It is an object of the present invention to provide a vehicle body rear part structure that can easily reinforce a spare tire storage part and can improve rigidity against an impact from the rear.

請求項１に係る発明は、フロアパネルの後部に下方に向けて形成され、スペアタイヤを収納するスペアタイヤ収納部と、このスペアタイヤ収納部に設けられ、スペアタイヤ収納部廻りの剛性を向上させる補強部材とを備えた車体後部構造において、補強部材は、略Ｙ字形状を呈する部材であり、スペアタイヤ収納部の下面で且つ中央に前後方向に沿わせて延びる本体部と、この本体部の前端から略Ｖ字状前方に広がって両先端が上方へ屈曲され、スペアタイヤ収納部の下面の角部稜線から前面に渡り沿わせたアーム部とから構成され、アーム部に、リヤサスペンションを支持するリヤサブフレームを左及び右のステーを介して連結される複数の連結部を備え、アーム部及び本体部の所定箇所がスペアタイヤ収納部に接合されたことを特徴とする。 The invention according to claim 1 is formed in the rear part of the floor panel so as to face downward, and is provided in the spare tire storage part for storing the spare tire and the spare tire storage part, and improves the rigidity around the spare tire storage part. In the rear structure of the vehicle body including the reinforcing member, the reinforcing member is a member having a substantially Y shape, a main body portion extending along the front-rear direction on the bottom surface of the spare tire storage portion, and the center portion of the main body portion. It consists of an arm part that spreads from the front end to the front and is bent upwards at both ends, and extends from the corner ridge line on the lower surface of the spare tire storage part to the front, and supports the rear suspension on the arm part to comprise a plurality of connecting portions which are connected via a rear sub-frame of the left and right stays, to characterized in that the predetermined portion of the arm portion and the body portion is joined to the spare tire storage space .

請求項２に係る発明は、本体部が、後端に牽引用フックを備えることを特徴とする。   The invention according to claim 2 is characterized in that the main body has a pulling hook at the rear end.

請求項３に係る発明は、スペアタイヤ収納部に、スペアタイヤを収納するスペアタイヤパンと、スペアタイヤを取付ける取付けブラケットとを備え、本体部、スペアタイヤパン及び取付けブラケットを一体的に溶接したことを特徴とする。   The invention according to claim 3 is provided with a spare tire pan for storing the spare tire and a mounting bracket for mounting the spare tire in the spare tire storage portion, and the main body portion, the spare tire pan and the mounting bracket are integrally welded. It is characterized by.

請求項１に係る発明では、スペアタイヤを収納するスペアタイヤ収納部と、スペアタイヤ収納部廻りの剛性を向上させる補強部材とを備える。
補強部材のアーム部は、本体部の前端から略Ｖ字状に前方に広がって両先端部が上方へ屈曲され、スペアタイヤ収納部の下面の角部稜線から前面に渡り沿わせ、アーム部及び本体部の所定箇所がスペアタイヤ収納部に接合されたので、後方から衝撃を受けた場合（後突時）にも車体の後部の変形を抑えることができる。
アーム部に、リヤサスペンションを支持するリヤサブフレームを左及び右のステーを介して連結される複数の連結部を備える。
また、補強部材を本体部とアーム部とから構成したので、簡易で軽量な構造とすることができ、車体重量の増加を最小限に止めることができる。 In the invention which concerns on Claim 1, the spare tire storage part which stores a spare tire, and the reinforcement member which improves the rigidity around a spare tire storage part are provided.
The arm part of the reinforcing member spreads forward in a substantially V shape from the front end of the main body part, both tip parts are bent upward, and extends along the front surface from the corner ridge line of the lower surface of the spare tire storage part. Since the predetermined part of the main body part is joined to the spare tire storage part, deformation of the rear part of the vehicle body can be suppressed even when an impact is applied from the rear (at the time of a rear collision).
The arm portion includes a plurality of connecting portions for connecting a rear subframe that supports the rear suspension via left and right stays.
Further, since the reinforcing member is composed of the main body portion and the arm portion, a simple and lightweight structure can be achieved, and an increase in the weight of the vehicle body can be minimized.

請求項２に係る発明では、本体部の後端に牽引用フックを備えたので、牽引時の荷重が本体部から略Ｖ字のアーム部に分散されるので、スペアタイヤ収納部の凹部の角部稜線から前面で牽引時の荷重を受けることができる。この結果、牽引用フックに新たな補強部材を必要とせず、車体の軽量化を図ることができる。   In the invention according to claim 2, since the traction hook is provided at the rear end of the main body portion, the load at the time of traction is distributed from the main body portion to the substantially V-shaped arm portion. The load at the time of towing can be received in front from the ridgeline. As a result, a new reinforcing member is not required for the tow hook, and the weight of the vehicle body can be reduced.

請求項３に係る発明では、本体部、スペアタイヤパン及び取付けブラケットを一体的に溶接したので、スペアタイヤを強固に支持することができる。この結果、車体の振動の低減を図ることができ、車両の静粛性の向上を図ることができる。   In the invention according to claim 3, since the main body, the spare tire pan, and the mounting bracket are integrally welded, the spare tire can be firmly supported. As a result, the vibration of the vehicle body can be reduced and the quietness of the vehicle can be improved.

本発明を実施するための最良の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。
図１は本発明に係る車体後部構造の背面図であり、図２は本発明に係る車体後部構造の斜視図であり、図３は図１の３−３線断面図であり、図４は図１の４−４線断面図である。 The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
1 is a rear view of a vehicle body rear structure according to the present invention, FIG. 2 is a perspective view of the vehicle body rear structure according to the present invention, FIG. 3 is a sectional view taken along line 3-3 in FIG. FIG. 4 is a sectional view taken along line 4-4 of FIG.

車体後部構造１０は、車体前後方向に延ばされるとともに、車体後部に設けられる左・右のリヤフレーム１１，１２と、これらのリヤフレーム１１，１２に渡されるクロスメンバ１３と、これらの左・右のリヤフレーム１１，１２及びクロスメンバ１３に被せられたフロアパネル（車体フロア）１４と、このフロアパネル１４の後部に車体下方に向けて形成され、スペアタイヤ（不図示）を収納するスペアタイヤ収納部１５と、このスペアタイヤ収納部１５の下部に設けられ、スペアタイヤ収納部１５を外方から補強をする補強部材１６と、この補強部材１６の後部に取付けられ、他車両を牽引するために牽引用ロープ（不図示）を取付ける牽引用フック１７とから構成される。   The rear body structure 10 extends in the longitudinal direction of the vehicle body, and includes left and right rear frames 11 and 12 provided at the rear part of the vehicle body, a cross member 13 passed to the rear frames 11 and 12, and left and right sides thereof. A floor panel (vehicle body floor) 14 that covers the rear frames 11 and 12 and the cross member 13 and a spare tire storage that is formed at the rear of the floor panel 14 toward the lower side of the vehicle body and stores a spare tire (not shown). Part 15, provided at the lower part of spare tire storage part 15, reinforcing member 16 for reinforcing spare tire storage part 15 from the outside, and attached to the rear part of reinforcement member 16 for pulling other vehicles It comprises a tow hook 17 for attaching a tow rope (not shown).

スペアタイヤ収納部１５は、フロアパネル１４の後部に形成され、スペアタイヤを収納するスペアタイヤパン２１と、このスペアタイヤパン２１に設けられ、スペアタイヤを取付ける取付けブラケット２２とからなる。
スペアタイヤパン２１は、取付けブラケット２２が位置決めされる複数の位置決め部２３と、水抜きをするセンタ水抜き孔２４と、水抜きをする左・右水抜き孔２５，２６とが形成される。 The spare tire storage portion 15 is formed at the rear portion of the floor panel 14 and includes a spare tire pan 21 for storing a spare tire, and a mounting bracket 22 provided on the spare tire pan 21 for attaching the spare tire.
The spare tire pan 21 is formed with a plurality of positioning portions 23 where the mounting bracket 22 is positioned, a center drain hole 24 for draining water, and left and right drain holes 25 and 26 for draining water.

取付けブラケット２２は、略筒状に形成されたブラケット本体３１と、このブラケット本体３１に形成され、スペアタイヤパン２１に溶接されるフランジ３２と、ブラケット本体３１に取付けられ、スペアタイヤ固定用のねじ（不図示）がねじ込まれるナット３３と、このナット３３を臨ますことのできる孔３４とを備える。さらに、図３に示されるように、取付けブラケット２２は、スペアタイヤパン２１及び補強部材１６に一体的に溶接された部材である。   The mounting bracket 22 includes a bracket main body 31 formed in a substantially cylindrical shape, a flange 32 formed on the bracket main body 31 and welded to the spare tire pan 21, and a screw for fixing the spare tire attached to the bracket main body 31. A nut 33 into which (not shown) is screwed and a hole 34 through which the nut 33 can be faced are provided. Further, as shown in FIG. 3, the mounting bracket 22 is a member integrally welded to the spare tire pan 21 and the reinforcing member 16.

図５は本発明に係る車体後部構造の補強部材の斜視図であり、図６は本発明に係る車体後部構造の下方からの斜視図である。
補強部材１６は、スペアタイヤパン２１の下面３７からスペアタイヤパン２１の前方側壁部３８に渡って所定箇所がスペアタイヤ収納部１５に接合（具体的には溶接）される部材であり、車体前後方向に延ばされ、スペアタイヤ収納部１５の車体前後方向に中央部分を補強する本体部４１と、この本体部４１の前端から浅いＶ字状に広がりを持たせて延出され、スペアタイヤ収納部の下面からスペアタイヤパン２１の前方側壁部３８の補強をするアーム部４２とからなる。さらに、補強部材１６は、本体部４１の前端にアーム部４２が適宜溶接されることで一体的に取付けられ、略Ｙ字状を呈する部材となる。 FIG. 5 is a perspective view of a reinforcing member of the vehicle body rear structure according to the present invention, and FIG. 6 is a perspective view from below of the vehicle body rear structure according to the present invention.
The reinforcing member 16 is a member in which a predetermined portion is joined (specifically, welded) to the spare tire storage portion 15 from the lower surface 37 of the spare tire pan 21 to the front side wall portion 38 of the spare tire pan 21. A main body 41 that reinforces the central portion of the spare tire storage portion 15 in the longitudinal direction of the vehicle body, and extends from the front end of the main body portion 41 in a shallow V-shape so as to store the spare tire. The arm portion 42 that reinforces the front side wall portion 38 of the spare tire pan 21 from the lower surface of the portion. Further, the reinforcing member 16 is integrally attached to the front end of the main body portion 41 by appropriately welding the arm portion 42, and becomes a member having a substantially Y shape.

本体部４１は、前方に形成され、アーム部４２に接続される本体部側接続部４４と、両側方から前方に渡って形成され、剛性の向上を図るフランジ部４５と、後方から折り曲げ形成され、剛性の向上を図るとともに牽引用フック１７の後端部６６を取付ける後壁部４６と、下方に向けて凹状に形成されるとともにスペアタイヤパン２１に溶接され、取付けブラケット２２の接続部分を補強する凹部４７と、上方に向けて凸状に形成され、下方から牽引用フック１７の前端部６４が取付けられる取付部４８と、前方より中央に開けられ、水抜きをする本体部側水抜き孔４９とを備える。
補強部材側水抜き孔４９は、スペアタイヤパン２１のセンタ水抜き孔２４と同軸に設けられた水抜き孔である。 The main body portion 41 is formed in the front and connected to the arm portion 42. The main body portion side connection portion 44 is formed from both sides to the front, and a flange portion 45 for improving rigidity, and is bent from the rear. The rear wall portion 46 to which the rear end portion 66 of the tow hook 17 is attached and the concave portion formed downward and welded to the spare tire pan 21 to reinforce the connection portion of the mounting bracket 22 A concave portion 47 that is convex upward, a mounting portion 48 to which the front end portion 64 of the traction hook 17 is attached from below, and a main body side drainage hole that opens from the front to the center and drains water. 49.
The reinforcing member side drain hole 49 is a drain hole provided coaxially with the center drain hole 24 of the spare tire pan 21.

アーム部４２は、後方中央に形成され、本体部側接続部４４に接続されるアーム部側接続部５３（図６参照）と、前方に形成され、剛性の向上を図る前部フランジ部５４と、アーム部側接続部５３の左右に形成され剛性の向上を図る後部フランジ部５５，５５と、スペアタイヤパン２１の前方側壁部３８に沿わせて形成されるとともに、先端が上方へ屈曲され、前方側壁部３８を補強する左・右曲げ部（フランジ）５６，５７と、中央後方部分に形成された複数の水抜き孔５８と、左右に形成された水抜き孔５９，５９と、左右に形成され、図１に示されるように、リヤサスペンション（サスペンションアーム）などを支持するリヤサブフレーム１８を左・右のステー２７，２８を介して連結される複数の連結部６１とを備える。左・右のステー２７，２８は、複数のボルト２９で複数の連結部６１に取付けられる。
すなわち、アーム部４２は、スペアタイヤ収納部１５の下面３７の角部稜線３９から前面に渡り沿わせて延出された部材である。 The arm part 42 is formed at the rear center and is connected to the main body side connection part 44. The arm part side connection part 53 (see FIG. 6), and the front flange part 54 is formed at the front and improves rigidity. The rear flange portions 55 and 55 are formed on the left and right sides of the arm portion side connection portion 53 to improve the rigidity, and are formed along the front side wall portion 38 of the spare tire pan 21, and the tip is bent upward. Left and right bent portions (flanges) 56, 57 that reinforce the front side wall portion 38, a plurality of drain holes 58 formed in the central rear portion, drain holes 59, 59 formed on the left and right, and left and right It is formed, as shown in FIG. 1, and a plurality of connecting portions 61 to be consolidated rear subframe 18 via the left and right stays 27, 28 for supporting and rear suspension (suspension arm). The left and right stays 27 and 28 are attached to a plurality of connecting portions 61 with a plurality of bolts 29.
That is, the arm part 42 is a member that extends along the front surface from the corner ridge line 39 of the lower surface 37 of the spare tire storage unit 15.

牽引用フック１７は、車体前後方向に直線上に延ばされ、先に説明したように補強部材１６に取付けられる前端部６４と、この前端６４から下方へ向かいさらに上方に向かうように形成され、牽引ロープを掛ける略Ｕ形状のフック部６５と、このフック部６５から延出され、先に説明したように補強部材に取付けられる後端部６６とを連続的に形成した部材である。   The tow hook 17 extends linearly in the longitudinal direction of the vehicle body, and is formed so as to be directed downward from the front end 64 and further upward from the front end 64 attached to the reinforcing member 16 as described above. A substantially U-shaped hook portion 65 for hanging a tow rope, and a rear end portion 66 extending from the hook portion 65 and attached to the reinforcing member as described above are formed continuously.

図３に示されるように、車体後部構造１０では、本体部４１、スペアタイヤパン２１及び取付けブラケット２２を一体的に溶接したので、スペアタイヤを強固に支持することができる。この結果、車体の振動の低減を図ることができ、車両の静粛性の向上を図ることができる。   As shown in FIG. 3, in the vehicle body rear structure 10, since the main body 41, the spare tire pan 21 and the mounting bracket 22 are integrally welded, the spare tire can be firmly supported. As a result, the vibration of the vehicle body can be reduced and the quietness of the vehicle can be improved.

図６に示されるように、補強部材１６のアーム部４２は、本体部４１の前端から略Ｖ字状に前方に広がって両先端が上方へ屈曲され、スペアタイヤ収納部１５の下面３７の角部稜線３９から前面に渡り沿わせ、アーム部４２及び本体部４１の所定箇所がスペアタイヤ収納部１５に接合されたので、後方から衝撃を受けた場合（後突時）にも車体の後部の変形を抑えることができる。
また、補強部材１６を本体部４１とアーム部４２とから構成したので、簡易で軽量な構造とすることができ、車体重量の増加を最小限に止めることができる。 As shown in FIG. 6, the arm portion 42 of the reinforcing member 16 spreads forward from the front end of the main body portion 41 in a substantially V shape and both ends are bent upward, and the corners of the lower surface 37 of the spare tire storage portion 15 are bent. The predetermined portions of the arm portion 42 and the main body portion 41 are joined to the spare tire storage portion 15 along the front surface from the ridgeline 39, so that even when an impact is applied from the rear (rear collision), the rear portion of the vehicle body Deformation can be suppressed.
Further, since the reinforcing member 16 is composed of the main body portion 41 and the arm portion 42, a simple and lightweight structure can be obtained, and an increase in the weight of the vehicle body can be minimized.

図６に示されるように、車体後部構造１０では、本体部４１の後端に牽引用フック１７を備えたので、牽引時の荷重が本体部から略Ｖ字のアーム部４２に分散されるので、スペアタイヤ収納部１５の下面３７の角部稜線３９から前面で牽引時の荷重を受けることができる。この結果、牽引用フック１７に新たな補強部材を必要とせず、車体の軽量化を図ることができる。   As shown in FIG. 6, in the vehicle body rear structure 10, the towing hook 17 is provided at the rear end of the main body portion 41, so that the load at the time of towing is distributed from the main body portion to the substantially V-shaped arm portion 42. The load at the time of towing can be received on the front surface from the corner ridgeline 39 of the lower surface 37 of the spare tire storage unit 15. As a result, a new reinforcing member is not required for the tow hook 17 and the weight of the vehicle body can be reduced.

また、図１に示されたように、アーム部４２の底面（連結部６１）に、前方にあるリヤサスペンション（不図示）用のリヤサブフレーム１８の後部両端下面を支持する左・右のステー２７，２８を連結したので、リヤサブフレーム１８の横剛性が向上する。この結果、操縦安定性（操安性）の向上を図ることができる。   Further, as shown in FIG. 1, the left and right stays that support the lower surfaces of both ends of the rear portion of the rear sub-frame 18 for the rear suspension (not shown) on the front are provided on the bottom surface (the connecting portion 61) of the arm portion 42. Since the 27 and 28 are connected, the lateral rigidity of the rear sub-frame 18 is improved. As a result, it is possible to improve steering stability (steerability).

尚、本発明に係る車体後部構造１０は、図３に示すように、取付けブラケット２２は略筒状のブラケットであったが、これに限るものではなく、板材が折り曲げ形成されたものであってもよい。   In the vehicle body rear structure 10 according to the present invention, as shown in FIG. 3, the mounting bracket 22 is a substantially cylindrical bracket, but is not limited to this, and is formed by bending a plate material. Also good.

本発明に係る車体後部構造は、セダンやワゴンなどの乗用車に採用するのに好適である。   The vehicle body rear structure according to the present invention is suitable for use in passenger cars such as sedans and wagons.

本発明に係る車体後部構造の背面図である。It is a rear view of the vehicle body rear part structure concerning this invention. 本発明に係る車体後部構造の斜視図である。1 is a perspective view of a vehicle body rear structure according to the present invention. 図１の３−３線断面図である。FIG. 3 is a sectional view taken along line 3-3 in FIG. 1. 図１の４−４線断面図である。FIG. 4 is a sectional view taken along line 4-4 of FIG. 本発明に係る車体後部構造の補強部材の斜視図である。It is a perspective view of the reinforcement member of the vehicle body rear part structure which concerns on this invention. 本発明に係る車体後部構造の下方からの斜視図である。It is a perspective view from the lower part of the body rear part structure concerning the present invention. 従来の車体後部構造の基本構成を説明する図である。It is a figure explaining the basic composition of the conventional body rear part structure.

符号の説明Explanation of symbols

１０…車体後部構造、１４…フロアパネル、１５…スペアタイヤ収納部、１６…補強部材、３７…下面、４１…本体部。   DESCRIPTION OF SYMBOLS 10 ... Car body rear part structure, 14 ... Floor panel, 15 ... Spare tire storage part, 16 ... Reinforcement member, 37 ... Lower surface, 41 ... Main-body part.

Claims (3)

フロアパネルの後部に下方に向けて形成され、スペアタイヤを収納するスペアタイヤ収納部と、このスペアタイヤ収納部に設けられ、スペアタイヤ収納部廻りの剛性を向上させる補強部材とを備えた車体後部構造において、
前記補強部材は、略Ｙ字形状を呈する部材であり、前記スペアタイヤ収納部の下面で且つ中央に前後方向に沿わせて延びる本体部と、この本体部の前端から略Ｖ字状前方に広がって両先端が上方へ屈曲され、前記スペアタイヤ収納部の下面の角部稜線から前面に渡り沿わせたアーム部とから構成され、
前記アーム部は、リヤサスペンションを支持するリヤサブフレームを左及び右のステーを介して連結される複数の連結部を備え、
前記アーム部及び前記本体部の所定箇所が前記スペアタイヤ収納部に接合されたことを特徴とする車体後部構造。 A rear part of the vehicle body that includes a spare tire storage part that is formed on the rear part of the floor panel and stores a spare tire, and a reinforcing member that is provided in the spare tire storage part and improves rigidity around the spare tire storage part. In structure
The reinforcing member is a substantially Y-shaped member, and extends from the front end of the main body portion to the front side of the main body portion in a substantially V shape, extending from the lower surface of the spare tire storage portion to the center along the front-rear direction. And both ends are bent upward, and is composed of an arm portion extending from the corner ridge line of the lower surface of the spare tire storage portion to the front surface,
The arm portion includes a plurality of connecting portions that connect a rear subframe that supports the rear suspension via left and right stays,
Rear body structure characterized in that predetermined portion of said arm portion and said body portion is joined to the spare tire storage portion. 前記本体部は、後端に牽引用フックを備えることを特徴とする請求項１記載の車体後部構造。   The vehicle body rear structure according to claim 1, wherein the main body includes a tow hook at a rear end. 前記スペアタイヤ収納部は、スペアタイヤを収納するスペアタイヤパンと、前記スペアタイヤを取付ける取付けブラケットとを備え、
前記本体部、前記スペアタイヤパン及び前記取付けブラケットを一体的に溶接したことを特徴とする請求項１記載の車体後部構造。 The spare tire storage unit includes a spare tire pan for storing a spare tire, and a mounting bracket for mounting the spare tire,
The vehicle body rear structure according to claim 1, wherein the main body, the spare tire pan, and the mounting bracket are integrally welded.
JP2007165028A 2007-06-22 2007-06-22 Car body rear structure Expired - Fee Related JP4929072B2 (en)

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