CN100390007C - Rear body structure of vehicle - Google Patents
Rear body structure of vehicle Download PDFInfo
- Publication number
- CN100390007C CN100390007C CNB2005101158244A CN200510115824A CN100390007C CN 100390007 C CN100390007 C CN 100390007C CN B2005101158244 A CNB2005101158244 A CN B2005101158244A CN 200510115824 A CN200510115824 A CN 200510115824A CN 100390007 C CN100390007 C CN 100390007C
- Authority
- CN
- China
- Prior art keywords
- roof
- tail
- crossbeam
- pillar reinforcement
- door pillar
- 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
Links
- 230000002787 reinforcement Effects 0.000 claims description 60
- 238000010276 construction Methods 0.000 description 14
- 238000003466 welding Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000037396 body weight Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
A corner part above a tail gate opening includes a roof panel which forms a roof of a vehicle, a rear roof rail outer arranged in the rear of the roof panel inside a vehicle room and extending in a lateral direction of the vehicle, a rear roof rail inner connected to the rear roof rail outer so as to form a closed sectional shape, a gate pillar reinforce integrally provided with a tail gate hinge reinforce member which is projected outward, and a quarter inner extension connected to the gate pillar reinforce so as to form a closed sectional shape.
Description
Technical field
The present invention relates to the rear body structure of vehicle.
Background technology
As shown in Figure 5, the position, turning 50 (hereinafter to be referred as position, turning 50) that is positioned at the top of vehicle tail door mouth is as shown in Figure 2 in the prior art.In Fig. 2, be connected with crossbeam 21 outside the back roof in the mode of welding along the upper end of the tail-gate post reinforcement 20 of overall width inboard.And, in position, turning 50, except that tail-gate post reinforcement 20 and back roof between the crossbeam 21 by outside being weldingly connected, the upper end (see figure 4) of outer panel 41 also is by being welded to connect.Fig. 4 represents is section drawing along the B-B line among Fig. 2.
As shown in Figure 4, tail-door hinge 44 of assembling tail-gate 51 is installed on the outer crossbeam 21 of back roof on it., because rigidity, it is dangerous directly tail-door hinge 44 being installed on the outer crossbeam 21 of back roof, therefore, after crossbeam 21 is strengthened by the tension member 22 of tail-door hinge outside the roof of back, tail-door hinge 44 is installed in the top of tail-door hinge tension member 22 again.
In order to strengthen the rigidity of the tail-door hinge 44 that tail-gate 51 is installed, it is favourable that the tail-door hinge tension member 22 that will be used to strengthen tail-door hinge is directly connected on the door pillar reinforcement 20.But because the back outer crossbeam 21 of roof is set between tail-door hinge tension member 22 and the door pillar reinforcement 20, in this structure, it is impossible directly tail-door hinge tension member 22 and door pillar reinforcement 20 being linked together.
Therefore, consider tail-door hinge tension member 22 further is connected on the zone that is welded by door pillar reinforcement 20, the outer crossbeam 21 of back roof and outer panel 41, strengthen coupling stiffness., as shown in Figure 4, these three members have been joined together by being welded on this zone, go up an other member if weld here again, consider the performance that is welded to connect, and might can not obtain enough coupling stiffnesses.An example of such vehicle rear body construction is revealed in JP-A-11-321706.
Summary of the invention
In the vehicle rear body construction that JP-A-11-321706 discloses, as shown in Figure 4, door pillar reinforcement 20 and tail-door hinge tension member 22 form independently member.Tail-door hinge tension member 22 must link together by welding and the outer crossbeam 21 of back roof.But owing to be to be welded to connect, the join domain outside tail-door hinge tension member 22 and back roof between the crossbeam 21 can only strengthen coupling stiffness limitedly.
And, from the load that is installed in the tail-gate 51 on the tail-door hinge 44 with from the load that is installed in the seatbelt (not indicating in the drawings) on the seatbelt anchor 23, can act on the door pillar reinforcement 20.Therefore, can be from the load of tail-gate 51 and seatbelt by the concentrated position, described turning 50 that acts on.But, by welding door pillar reinforcement 20 is connected in join domain 24 that the structure on the crossbeam 21 may be difficult to obtain enough coupling stiffnesses outside the roof of back.
Purpose of the present invention just provides a kind of rear body structure, and in this structure, the rigidity at position, turning can strengthen manyly than the rear body structure of mentioning in background technology, and don't needs to increase number of parts and cost.
According to one aspect of the present invention, a kind of rear body structure of vehicle has been proposed, comprising: the roof hoard that constitutes roof; Back roof is crossbeam outward, is configured in the rear portion of roof hoard in the compartment, and extends along the overall width direction; Crossbeam in the back roof is connected with the described back outer crossbeam of roof, thereby constitutes the cross sectional shape of a closure; The door pillar reinforcement, its top is formed with the tail-door hinge tension member, and the side of crossbeam partly links together outside its side part that is positioned at tail-door hinge tension member inboard along the overall width direction and back roof; And extension in the bight, link together with the door pillar reinforcement, thereby constitute closed cross sectional shape.
According to another aspect of the present invention, in the vehicle rear body construction that preceding one side is mentioned, the door pillar reinforcement is formed Y shape roughly.
According to a third aspect of the present invention, in the vehicle rear body construction of mentioning in aspect aforementioned, in the bight in extension and the back roof position that links together of crossbeam be set at from the inboard along the overall width direction of the position that door pillar reinforcement and the outer crossbeam of back roof link together, thereby realize connecting between tail-door hinge tension member and the tail-door hinge, the connection between door pillar reinforcement and the outer crossbeam of back roof between connection and door pillar reinforcement and the outer panel.
According to above-mentioned aspect, the load of in background technology, being born from tail-gate by the tail-door hinge tension member on the crossbeam outside the roof after being welded to, by door pillar reinforcement and tail-door hinge tension member are made an integral structure, can directly bear by the tail-gate reinforcement.This load will be born by the door pillar reinforcement of vertically (overall height direction) extension, rather than by bearing along the outer crossbeam of the back roof of laterally (overall width direction) extension, thus, can obtain higher rigidity.
And, compare with traditional vehicle rear body construction, by door pillar reinforcement and tail-door hinge tension member are made an integral structure, can reduce number of parts, and reduce wall thickness, thereby car body weight and cost also can be minimized.
According to above-mentioned aspect, the door pillar reinforcement is made into after the Y shape, from the load that is installed in the tail-gate on the door hinge, can be distributed to effectively on the different parts with the load of seatbelt on being installed in the door pillar reinforcement.
According to above-mentioned aspect, after door pillar reinforcement and the back outer crossbeam of roof were joined together, extension can not hinder described the connection with the back interior crossbeam of roof in the bight.So, the connection work between tail-door hinge tension member and the tail-door hinge, the connection work between door pillar reinforcement and the outer crossbeam of back roof, and the connection work between door pillar reinforcement and the outer panel all can be easy to realize.
Description of drawings
Fig. 1 is the block diagram of the related vehicle rear body construction of one embodiment of the invention.
Fig. 2 is the block diagram of the related vehicle rear body construction of background technology.
Fig. 3 is the section drawing of the vehicle rear body construction of the embodiment of the invention among Fig. 1 along the A-A line.
Fig. 4 is that conventional vehicles rear body structure among Fig. 2 is along the section drawing of B-B line.
Fig. 5 is the block diagram of vehicle rear body construction.
The specific embodiment
Below, referring to figs. 1 through Fig. 5, this vehicle rear body construction is described.Fig. 1 is the block diagram of the related vehicle rear body construction of one embodiment of the invention.Fig. 2 is the block diagram of the vehicle rear body construction of routine.Fig. 3 is the section drawing of the vehicle rear body construction of the embodiment of the invention described in Fig. 1 along the A-A line.Fig. 4 is that conventional vehicles rear body structure among Fig. 2 is along the section drawing of B-B line.Fig. 5 is the block diagram of vehicle rear body construction.Preceding (Fr) among the figure, interior (In) and last (Up) arrow represent the place ahead of vehicle respectively, along the inboard of overall width direction and the top of vehicle.
As shown in Figure 1, door pillar reinforcement 10 is formed Y shape roughly, thereby can be connected with crossbeam 11 outside the roof of back on the overall width direction, is connected with the sidecar head piece on the longitudinal direction of car direction, and vehicle body frame member is connected in vehicle vertical direction up and down.Described door pillar reinforcement 10 as follows with the outer crossbeam weld together of back roof: in overall width direction inboard, the side zone 13 on door pillar reinforcement 10 tops is set at the below of the outer crossbeam 11 of back roof.
Along on longitudinal direction of car (front and back) direction, on the side zone 14 on the top of door pillar reinforcement 10, door pillar reinforcement 10 as follows with sidecar head piece (not shown) weld together: door pillar reinforcement 10 is arranged at described sidecar head piece below.The bottom 15 of described door pillar reinforcement 10 links together by welding and lower body frame member (not indicating in the drawings).Fig. 3 is the section drawing of obtaining along the A-A line of Fig. 1.
As shown in Figure 3, tail-door hinge tension member 12 is set at the upper end of described door pillar reinforcement 10.Be positioned at the join domain 13 that above-mentioned tail-door hinge tension member 12 is set up the inboard at position along the overall width direction, described door pillar reinforcement 10 and the outer crossbeam 11 of back roof also are connected by welding to together.
And, being positioned at the join domain 36 that above-mentioned tail-door hinge tension member 12 is set up the outside at position along the overall width direction, described door pillar reinforcement 10 here connects together with outer panel 31 by welding.
In this way, door pillar reinforcement 10 is set at different positions with join domain 13 and the door pillar reinforcement 10 that roof outer crossbeam 11 in back is connected by welding to together with the join domain 36 that outer panel 31 is connected by welding to together.The result is exactly, with as shown in Figure 4 the same position in join domain 24 with traditional structure of crossbeam 21 and outer panel 41 weld togethers outside door pillar reinforcement 20, the back roof by comparison, this structure can obtain better coupling stiffness.
In addition, with as shown in Figure 2 with door pillar reinforcement 20 and the outer crossbeam 1 of back roof by the conventional confguration that is welded together by comparison at position, turning 50, because position, turning 50 is made of Y shape door pillar reinforcement roughly, this structure can obtain better to strengthen rigidity.
Tail-door hinge 34 is installed in the top of tail-door hinge tension member 12, and tail-door hinge 34 is fixed on tail-door hinge tension member 12 tops by bolt 37.In this case, roof hoard 30 is set between tail-door hinge tension member 12 and the tail-door hinge 34, and fixing with bolt 37, thereby roof hoard 30 also can be connected with tail-door hinge tension member 12 simultaneously.
Then, tail-gate 51 (as shown in Figure 5) is installed on the tail-door hinge 34 that is installed in tail-door hinge tension member 12 tops.The load that affacts on the tail-door hinge tension member 12 from tail-gate 51 can be distributed on the Y shape part 17 of door pillar reinforcement 10 effectively.In this way, described load will be by along vehicle vertical direction (described Z-direction along the component of Z-direction, be upper and lower to) the door pillar reinforcement 10 that extends bears, and described load will be born by the roof side crossbeam (not shown) that extends along longitudinal direction of car direction (described X-direction, i.e. fore-and-aft direction) along the component of X-direction.
In this way, the load component that can produce very big power along Z-direction from tail-gate 51 can be not such in conventional confguration again, bear by crossbeam 11 outside the back roof that extends along the overall width direction, but bear by the door pillar reinforcement 10 that extends along the car body vertical direction.The result who does like this is exactly to obtain the enhancing rigidity bigger than conventional confguration.
The position relative with interior on door pillar reinforcement 10 is equipped with the seatbelt anchor 16 that is used for fixing seatbelt.The load that the seatbelt (not shown) acts on the seatbelt anchor 16 will be distributed on the Y shape structure of door pillar reinforcement effectively.Described load will be by along longitudinal direction of car (described X-direction along the component of X-axis, being the car body fore-and-aft direction) the roof side crossbeam (not shown) that extends bears, described load will be born by the outer crossbeam 11 of the back roof that extends along lateral direction of car (described Y direction, i.e. overall width direction) along the component of Y direction.
In a side relative with interior, extension top 33 links together with door pillar reinforcement 10 by welding in the bight, to constitute the cross sectional shape of a closure, in a side relative with interior, crossbeam 32 links together by welding and the outer crossbeam 11 of back roof in the back roof, to constitute the cross sectional shape of a closure.An end on the top 33 of extension links together as follows by an end of crossbeam 32 in welding and the back roof in the bight: the end of crossbeam 32 is set at the top of the end on extension top 33 in the bight in the roof of described back.
The position that the end of crossbeam 32 is welded together in the end on extension top 33 and the back roof in the bight is positioned at the inboard along the overall width direction, position that relative door pillar reinforcement 10 and the outer crossbeam 11 of back roof be welded together.In this way, the position of end by being welded together of crossbeam 32 in the end on the top 33 of extension and the back roof in the bight, and door pillar reinforcement 10 and the outer position of crossbeam 11 by being welded together of back roof, be arranged at different positions along the overall width direction.
Crossbeam 11 is by after being welded together outside door pillar reinforcement 10 and back roof, by with the end of crossbeam 32 in the end on extension top 33 in the bight and the back roof by being welded together, be used for that an open space on extension top 33 has just formed in the bight.
Utilize this open space, can finish the welding job that connects between door pillar reinforcement 10 and the outer crossbeam 11 of back roof, welding job between door pillar reinforcement 10 and the outer panel 31, and carry out bonded assembly work with bolt between door pillar reinforcement 10, roof hoard 30 and the tail-door hinge 34.
In this way, door pillar reinforcement 10 and the outer crossbeam 11 of back roof are carried out bonded assembly work by welding, door pillar reinforcement 10 is welded on work on the outer panel 31, and the work that door pillar reinforcement 10 and tail-door hinge 34 are fixed together can be realized at an easy rate with bolt.
Claims (3)
- In the vehicle rear around the rear body structure of tail-gate mouth, it is characterized in that comprising:Roof hoard constitutes roof;Back roof is crossbeam outward, is configured in the rear portion of roof hoard in the compartment, and the described back outer crossbeam of roof extends along the overall width direction;Crossbeam in the back roof is connected with the described back outer crossbeam of roof, thereby constitutes closed cross sectional shape;The door pillar reinforcement, its top is formed with the tail-door hinge tension member, and described door pillar reinforcement is positioned at tail-door hinge tension member in-to-in side end at it and links to each other with the side end of crossbeam outside the roof of back along the overall width direction; AndExtension in the bight links to each other with the door pillar reinforcement, thereby constitutes closed cross sectional shape.
- 2. the rear body structure of vehicle according to claim 1, wherein said door pillar reinforcement forms Y shape roughly.
- 3. the rear body structure of vehicle according to claim 1 and 2, the position that crossbeam links together in extension and the described back roof in the wherein said bight is positioned at the inboard along the overall width direction of the position that crossbeam links together outside described door pillar reinforcement and the described back roofWherein said tail-door hinge tension member is connected with described tail-door hinge, andWherein said door pillar reinforcement is connected with outer panel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004325880 | 2004-11-10 | ||
| JP2004325880A JP4704738B2 (en) | 2004-11-10 | 2004-11-10 | Rear body structure of the vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1772548A CN1772548A (en) | 2006-05-17 |
| CN100390007C true CN100390007C (en) | 2008-05-28 |
Family
ID=36618296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101158244A Expired - Fee Related CN100390007C (en) | 2004-11-10 | 2005-11-09 | Rear body structure of vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4704738B2 (en) |
| CN (1) | CN100390007C (en) |
| TW (1) | TWI276563B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828388B1 (en) | 2006-09-05 | 2008-05-08 | 기아자동차주식회사 | Looped reinforced structure for tail gate part |
| JP5114447B2 (en) * | 2009-03-26 | 2013-01-09 | 本田技研工業株式会社 | Body superstructure |
| JP2012218691A (en) * | 2011-04-13 | 2012-11-12 | Suzuki Motor Corp | Rear part structure for vehicle body |
| JP5672495B2 (en) * | 2011-04-26 | 2015-02-18 | スズキ株式会社 | Reinforcement structure for vehicle back door opening shoulder |
| JP2012236551A (en) * | 2011-05-13 | 2012-12-06 | Suzuki Motor Corp | Reinforcing structure of back door opening shoulder part of vehicle |
| JP2015147456A (en) * | 2014-02-05 | 2015-08-20 | スズキ株式会社 | Opening part structure of vehicle rear part |
| JP6217429B2 (en) * | 2014-02-12 | 2017-10-25 | スズキ株式会社 | Car body rear opening structure |
| US9908561B2 (en) * | 2014-06-09 | 2018-03-06 | Mazda Motor Corporation | Rear body structure for automobiles |
| JP6410016B2 (en) * | 2014-06-25 | 2018-10-24 | 三菱自動車工業株式会社 | Car body rear structure |
| US9205728B1 (en) | 2014-07-15 | 2015-12-08 | Ford Global Technologies, Llc | Reinforced liftgate for a vehicle |
| US10208523B1 (en) * | 2017-08-07 | 2019-02-19 | Honda Motor Co., Ltd. | Power tailgate mounting system for a vehicle |
| JP7047477B2 (en) * | 2018-03-09 | 2022-04-05 | スズキ株式会社 | Vehicle rear structure |
| CN109398492A (en) * | 2018-12-07 | 2019-03-01 | 上汽通用五菱汽车股份有限公司 | A kind of D column top connection structure |
| CN111155858B (en) * | 2020-01-08 | 2021-09-14 | 上海龙创汽车设计股份有限公司 | Automobile tail door hinge reinforcing structure |
| FR3138643A1 (en) | 2022-08-02 | 2024-02-09 | Psa Automobiles Sa | Motor vehicle structure and motor vehicle comprising such a structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775181A (en) * | 1986-01-20 | 1988-10-04 | Mazda Motor Corporation | Rear body structure of automobile |
| JPH11321706A (en) * | 1998-05-19 | 1999-11-24 | Nissan Motor Co Ltd | Car body rear part structure |
| US6126232A (en) * | 1994-05-02 | 2000-10-03 | Honda Giken Kogyo Kabushiki Kaisha | Rear body structure of a vehicle |
| JP2001063622A (en) * | 1999-08-27 | 2001-03-13 | Daihatsu Motor Co Ltd | Body rear part reinforcing structure for automobile |
| JP2002211442A (en) * | 2001-01-19 | 2002-07-31 | Fuji Heavy Ind Ltd | Panel connection structure of body |
| JP2003063450A (en) * | 2001-08-30 | 2003-03-05 | Hino Motors Ltd | Car body rear part structure |
| JP2003081133A (en) * | 2001-09-17 | 2003-03-19 | Honda Motor Co Ltd | Rear pillar reinforcing structure |
| JP2003104239A (en) * | 2001-10-02 | 2003-04-09 | Honda Motor Co Ltd | Rear body structure for panel van type automobile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0427746Y2 (en) * | 1986-10-31 | 1992-07-03 | ||
| JP2002087326A (en) * | 2000-09-18 | 2002-03-27 | Nissan Motor Co Ltd | Rear body structure for automobile |
-
2004
- 2004-11-10 JP JP2004325880A patent/JP4704738B2/en not_active Expired - Fee Related
-
2005
- 2005-10-24 TW TW94137160A patent/TWI276563B/en not_active IP Right Cessation
- 2005-11-09 CN CNB2005101158244A patent/CN100390007C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775181A (en) * | 1986-01-20 | 1988-10-04 | Mazda Motor Corporation | Rear body structure of automobile |
| US6126232A (en) * | 1994-05-02 | 2000-10-03 | Honda Giken Kogyo Kabushiki Kaisha | Rear body structure of a vehicle |
| JPH11321706A (en) * | 1998-05-19 | 1999-11-24 | Nissan Motor Co Ltd | Car body rear part structure |
| JP2001063622A (en) * | 1999-08-27 | 2001-03-13 | Daihatsu Motor Co Ltd | Body rear part reinforcing structure for automobile |
| JP2002211442A (en) * | 2001-01-19 | 2002-07-31 | Fuji Heavy Ind Ltd | Panel connection structure of body |
| JP2003063450A (en) * | 2001-08-30 | 2003-03-05 | Hino Motors Ltd | Car body rear part structure |
| JP2003081133A (en) * | 2001-09-17 | 2003-03-19 | Honda Motor Co Ltd | Rear pillar reinforcing structure |
| JP2003104239A (en) * | 2001-10-02 | 2003-04-09 | Honda Motor Co Ltd | Rear body structure for panel van type automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI276563B (en) | 2007-03-21 |
| CN1772548A (en) | 2006-05-17 |
| JP2006137208A (en) | 2006-06-01 |
| TW200615184A (en) | 2006-05-16 |
| JP4704738B2 (en) | 2011-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Tokyo Port Area, Japan Patentee after: Mitsubishi Jidosha Kogyo Kabushiki Kaisha Address before: Tokyo, Japan Patentee before: Mitsubishi Jidosha Kogyo Kabushiki Kaisha |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 |