CN103171633B - Rear car body structure - Google Patents
Rear car body structure Download PDFInfo
- Publication number
- CN103171633B CN103171633B CN201210546459.2A CN201210546459A CN103171633B CN 103171633 B CN103171633 B CN 103171633B CN 201210546459 A CN201210546459 A CN 201210546459A CN 103171633 B CN103171633 B CN 103171633B
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- Prior art keywords
- spare tyre
- luggage compartment
- compartment floor
- mentioned
- guard bar
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Abstract
The present invention provides a rear car body structure which disperses load by effectively utilizing a spare tyre carried at a rear car body to suppress increase of weight of the car body and cost while raising strength. Position corresponding to a periphery of the spare tyre (4) in a lower surface of a luggage compartment floor (3) is provided with a plurality of supporting parts (10) used for abutting of the spare tyre (4). By utilizing a protection rod supporting member (12) combined near a spare tyre fixing bracket (5), a protection rod (11) arranged at a front part of the luggage compartment floor (3) is supported at the luggage compartment floor (3). In this way, collision load (F1) inputted to the protection rod (11) is dispersed towards the luggage compartment floor (3) on a large scale via the protection rod supporting member (12), spare tyre fixing bracket (5), the spare tyre (4) and the plurality of supporting parts (10).
Description
Technical field
The present invention relates to the rear body structure being equipped with spare tyre.
Background technology
In the past; when the Loaded goods such as spare tyre being equipped on rear vehicle forwards moves when there is rear-end impact; in order to avoid colliding with the storage battery being placed in front; propose there is the structure (for example, referring to patent documentation 1) being configured with protection component (guiding elements) at the rear side of storage battery.
Patent documentation 1: Japanese Unexamined Patent Publication 2004-262412 publication
Summary of the invention
But, this rear body structure in the past by the protection Components installation of storage battery on floor.Therefore, in order to utilize protection component reliably to carry input load from the such weight of spare tyre, the intensity improving floor is needed.
But, if arrange the thickness of slab on tension member or thickening floor in order to the intensity improving floor, then there is car body weight increase and cost also uprises such problem.
Therefore, the present invention, in view of this problem points in the past, provides by effectively utilizing the spare tyre being equipped on rear body and making input load disperse and can improve the rear body structure of the intensity on floor while suppressing the increase of car body weight and the increase of cost.
In rear body structure of the present invention; principal character is; the lower surface of luggage compartment floor is provided with spare tyre by spare tyre analog bracket; be provided with the guard bar (guard bar) that configures of upper surface specified altitude ground apart from above-mentioned luggage compartment floor in the position of the front portion of above-mentioned luggage compartment floor, utilize guard bar supporting member that this guard bar is nearby linked to above-mentioned luggage compartment floor at above-mentioned spare tyre analog bracket.On the other hand, the position corresponding with the circumference of above-mentioned spare tyre in the lower surface of above-mentioned luggage compartment floor is provided with the multiple supports abutted for spare tyre.
Adopt rear body structure of the present invention, when have input load because of rear-end impact etc. to guard bar, this load via guard bar supporting member to luggage compartment floor transmission.Here, because this guard bar supporting member is attached near spare tyre analog bracket, so input load is from spare tyre analog bracket to spare tyre transmission.The load being delivered to this spare tyre via be connected to spare tyre circumference multiple support and disperse on a large scale to luggage compartment floor.
Thus, due to spare tyre can be effectively utilized, the load being input to guard bar is disperseed on a large scale to luggage compartment floor, so the intensity of luggage compartment floor can be improved while suppressing the increase of car body weight and the increase of cost.
Accompanying drawing explanation
Fig. 1 is the upward view of the rear vehicle representing the 1st embodiment of the present invention.
Fig. 2 is I-I cutaway view in Fig. 1.
Fig. 3 is II-II cutaway view in Fig. 1.
Fig. 4 is the block diagram decomposed by the rear vehicle of Fig. 1.
Fig. 5 represents the 2nd embodiment, is the cutaway view corresponding with Fig. 2 of the 1st embodiment.
Detailed description of the invention
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
1st embodiment
Fig. 1 to Fig. 4 represents the 1st embodiment of rear body structure of the present invention.As shown in Figure 1, the ground in the luggage cabin 2 at the rear portion of formation car body 1 is equipped with luggage compartment floor 3, and this luggage compartment floor 3 constitutes body bottom (under body).In addition, the top in Fig. 1 is vehicle front (arrow FR).
Also as shown in Figures 2 and 3, the lower surface (the nearby side in Fig. 1) of luggage compartment floor 3 is equipped with spare tyre 4.Although this spare tyre 4 is expressed as the common tire being embedded with tire 42 in the periphery of wheel rim 41, it also can be the interim spare tyre (temporary tire) in emergency circumstances used.
The lower surface of luggage compartment floor 3 is bonded to beam 13 described later, is combined with spare tyre analog bracket 5 in the downside of this beam 13.Further, the wheel rim 41 of spare tyre 4 is installed on spare tyre analog bracket 5 in handling mode freely.Specifically, be formed with wheel hub bore 43 in the central authorities of wheel rim 41, chimeric in this wheel hub bore 43 have the suspension element 9 being linked to spare tyre analog bracket 5.Thus, spare tyre 4 is installed on beam 13 by suspension element 9 and spare tyre analog bracket 5.
In addition, as shown in Figure 4, the luggage compartment floor 3 with the rear body in luggage cabin 2 is bonded on beam 6 on rear side of the pair of right and left that extends along vehicle fore-and-aft direction and is strengthened on the lower surface of both sides, overall width direction.In addition, on rear side of above-mentioned a pair, beam 6,6 separates suitable space-stop rack along vehicle fore-and-aft direction and be provided with the many crossbeams 7 extended along overall width direction.
In addition, in the present embodiment, than spare tyre 4 lift-launch part by be in the luggage compartment floor 3 of vehicle front front upper surface on be provided with the object of protection things such as storage battery 8 (also representing with dotted line in Fig. 1).
Here; in the present embodiment; in the front portion of luggage compartment floor 3, be specifically on the position between the lift-launch position and object of protection thing 8 of spare tyre 4, be configured with guard bar 11 in the mode of the upper surface specified altitude h (with reference to Fig. 2) apart from luggage compartment floor 3.This guard bar 11 extends into the roughly whole width in the overall width direction across luggage compartment floor 3.Further, what be placed in luggage compartment floor 3 when there is rear-end impact etc. eliminates graphic carrying object (such as, heavier luggage) when moving to front, and this carrying object crash protection bar 11, this guard bar 11 can bear the impact load of this carrying object.Thus, guard bar 11 have stop carrying object forwards move and prevent the function that carrying object and object of protection thing 8 interfere.
In addition, as shown in Figure 4, guard bar 11 is linked to luggage compartment floor 3 by guard bar supporting member 12.The overall width direction central portion of guard bar 11 is located at by this guard bar supporting member 12, and as shown in Figure 2, an end (upper end) 12a is incorporated into guard bar 11, and the other end (bottom) 12b is incorporated into luggage compartment floor 3.Now, the binding site of the other end 12b is near spare tyre analog bracket 5.In addition, guard bar supporting member 12 tilts than the mode of 12b side, the other end by vehicle front with a 12a side, end.In addition, the two ends, left and right of guard bar 11 are linked to luggage compartment floor 3 by link bracket 11a, 11a.
And, the position corresponding with the circumference of spare tyre 4, such as tire 42 or wheel rim 41 outer peripheral edges in the lower surface of luggage compartment floor 3 is provided with multiple support 10 that can abut for spare tyre 4.Support 10 be formed as lower surface be tabular surface, cross section is the short-movie of U-shaped, its upper end is incorporated into the lower surface of luggage compartment floor 3 by crossbeam 7, beam described later 13.In the present embodiment, as shown in Figure 1,3 supports 10 are configured with at the circumference of spare tyre 4 with roughly equal interval.In addition, support 10 also directly can be incorporated into the lower surface of luggage compartment floor 3.
In addition, in the present embodiment, as shown in Figures 2 and 3, spare tyre analog bracket 5 is installed on the lower surface of luggage compartment floor 3 by beam 13.Beam 13 be formed as along vehicle fore-and-aft direction extend, cross section U-shaped, its upper end is incorporated into the lower surface of luggage compartment floor 3.In the present embodiment, beam 13 is from the rear end nearby extending to luggage compartment floor 3 of crossbeam 7a being positioned at vehicle rearmost.
And in the present embodiment, as shown in Figure 4, the vehicle front end 13a of beam 13 is combined with the crossbeam 7a of rearmost by bracket 14.In addition, bracket 14 is eliminated in Fig. 2.
Thus, in the rear body structure of above-described present embodiment, if the carrying object being placed in luggage compartment floor 3 forwards moves due to rear-end impact etc., then this carrying object can crash protection bar 11.Further, the movement of carrying object stops due to this collision, thus carrying object and object of protection thing 8 can be stoped to interfere.Now, the impact load F1 (with reference to Fig. 2) from carrying object is input to guard bar 11.
Because guard bar 11 to be linked to the upper surface of luggage compartment floor 3 by guard bar supporting member 12, so the impact load F1 being input to guard bar 11 can be delivered to luggage compartment floor 3 via guard bar supporting member 12, (arrow a).Now, guard bar supporting member 12 is linked to luggage compartment floor 3 near spare tyre analog bracket 5.Therefore, impact load F1 transmits (arrow b) from spare tyre analog bracket 5 to spare tyre 4.
Then, the impact load F1 being delivered to spare tyre 4 disperses (arrow c) to luggage compartment floor 3 on a large scale via multiple supports 10 of the circumference being connected to spare tyre 4.
As described above, adopt the rear body structure of the 1st embodiment, spare tyre 4 can be effectively utilized the impact load F1 being input to guard bar 11 is disperseed on a large scale to luggage compartment floor 3.Thus, for the impact load F1 being input to guard bar 11, the intensity of luggage compartment floor 3 can be improved while not using tension member or suppressing the use of tension member as far as possible.Thus, do not thicken the thickness of slab of luggage compartment floor 3 and increase the intensity that cost just can improve rear body.
In addition, adopt present embodiment, by beam 13, spare tyre analog bracket 5 is installed on the lower surface of luggage compartment floor 3.Thus, the impact load F1 being input to spare tyre analog bracket 5 also can transmit from beam 13 to luggage compartment floor 3.Thus, effectively can carry impact load F1 with larger area, the intensity of luggage compartment floor 3 can be improved further.
And, adopt present embodiment, beam 13 is incorporated into crossbeam 7a.Thus, impact load F1 can be made also to transmit to crossbeam 7a and rear side beam 6 via beam 13.Therefore, impact load F1 can be made also to transmit from above-mentioned crossbeam 7a and rear side beam 6 to luggage compartment floor 3, therefore, it is possible to larger area carrying impact load F1.
2nd embodiment
Fig. 5 represents the 2nd embodiment of the present invention, and its mode that the repetitive description thereof will be omitted to mark identical Reference numeral to the component part identical with the 1st embodiment is described.In the present embodiment, represent that the tensile load F2 of safety strap acts on the situation of guard bar 11.
The rear body structure of present embodiment and the main difference part of the 1st embodiment are, seat frame 20 is linked to guard bar 11 and buckle of safety belt 30 is incorporated into this seat frame 20.
That is, in the present embodiment, be configured with seat frame dish (seat frame pan) 21 in the mode of the upside of covering protection object 8, the rear view of vehicle end of this seat frame dish 21 is incorporated into guard bar 11 together with seat frame 20.Seat frame 20 is linked with back of seat frame 23 by adjustabel part 22.
On the other hand, in the side, overall width direction of seat frame 20, buckle of safety belt 30 is installed, this buckle of safety belt 30 is provided with in the mode that can load and unload the button tongue being omitted graphic safety strap.
Thus, if vehicle is limiting occupant state with safety strap issues raw front shock, then the tensile load F2 acting on safety strap can be input to guard bar 11 via buckle of safety belt 30, seat frame 20.
In addition, guard bar 11 is linked to the structure of luggage compartment floor 3 and spare tyre 4 by guard bar supporting member 12 to be supported on the structure of luggage compartment floor 3 identical with the 1st embodiment.
Thus, in the present embodiment, first the tensile load F2 being input to buckle of safety belt 30 when front shock etc. from safety strap is delivered to guard bar 11 (arrow d) via seat frame 20.Then, the tensile load F2 being delivered to guard bar 11 can disperse along the path same with the impact load F1 described in the 1st embodiment to luggage compartment floor 3.
That is, the tensile load F2 being input to guard bar 11 is delivered to luggage compartment floor 3 via guard bar supporting member 12, and (arrow a).Then, the tensile load F2 being delivered to luggage compartment floor 3 transmits (arrow b) from spare tyre analog bracket 5 to spare tyre 4.And the tensile load F2 being delivered to spare tyre 4 disperses (arrow c) to luggage compartment floor 3 on a large scale via multiple supports 10 of the circumference being connected to spare tyre 4.
As described above, adopt the rear body structure of the 2nd embodiment, spare tyre 4 can be effectively utilized the tensile load F2 being input to buckle of safety belt 30 is disperseed on a large scale to luggage compartment floor 3.Thus, for the tensile load F2 being input to guard bar 11, the intensity of luggage compartment floor 3 can be improved while not using tension member or suppressing the use of tension member as far as possible.Thus, for the tensile load F2 of safety strap, also in a same manner as in the first embodiment, the intensity of luggage compartment floor 3 just can not be improved with the increase of cost, the increase of car body weight.
By the way, although rear body structure of the present invention is illustrated for the respective embodiments described above, be not limited to above-mentioned embodiment, can various change be carried out without departing from the spirit and scope of the invention.
The present invention can be used in the vehicle being equipped with spare tyre on luggage compartment floor.
description of reference numerals
3, luggage compartment floor; 4, spare tyre; 5, spare tyre analog bracket; 6, rear side beam; 7,7a, crossbeam; 8, object of protection thing; 10, support; 11, guard bar; 12, guard bar supporting member; 13, beam; 20, seat frame; 30, buckle of safety belt.
Claims (4)
1. a rear body structure, it is equipped with spare tyre in the bottom of luggage compartment floor by spare tyre analog bracket, is equipped with object of protection thing on the top of above-mentioned luggage compartment floor, is configured with guard bar, it is characterized in that at the rear of this object of protection thing,
This rear body structure comprises:
Guard bar supporting member, it is by the upper surface that be nearby linked to above-mentioned luggage compartment floor of above-mentioned guard bar at above-mentioned spare tyre analog bracket;
Support, it is located at the position corresponding with above-mentioned spare tyre in above-mentioned luggage compartment floor lower surface, can abut for above-mentioned spare tyre,
When load is input to above-mentioned guard bar from rear, this load from guard bar via above-mentioned guard bar supporting member, spare tyre analog bracket, spare tyre and support to luggage compartment floor transmission.
2. rear body structure according to claim 1, is characterized in that,
Above-mentioned spare tyre analog bracket is located at the bottom of beam, and this beam is installed on the lower surface of above-mentioned luggage compartment floor.
3. rear body structure according to claim 2, is characterized in that,
This rear body structure has: beam on rear side of pair of right and left, and it extends along vehicle fore-and-aft direction in the both sides, overall width direction of above-mentioned luggage compartment floor; Crossbeam, it is set up in beam on rear side of above-mentioned pair of right and left, and above-mentioned beam is incorporated into this crossbeam.
4. the rear body structure according to any one of claims 1 to 3, is characterized in that,
Seat frame is linked to above-mentioned guard bar, and buckle of safety belt is incorporated into this seat frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011278403A JP5906715B2 (en) | 2011-12-20 | 2011-12-20 | Rear body structure |
| JP2011-278403 | 2011-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103171633A CN103171633A (en) | 2013-06-26 |
| CN103171633B true CN103171633B (en) | 2015-06-03 |
Family
ID=48631939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210546459.2A Expired - Fee Related CN103171633B (en) | 2011-12-20 | 2012-12-14 | Rear car body structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5906715B2 (en) |
| CN (1) | CN103171633B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865204B (en) * | 2022-05-23 | 2024-02-23 | 东风柳州汽车有限公司 | Multifunctional battery storage mounting rack and concrete mixer truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419609A (en) * | 1993-01-07 | 1995-05-30 | Ford Motor Company | Energy isolation apparatus for an automotive vehicle |
| CN1490200A (en) * | 2002-09-04 | 2004-04-21 | 本田技研工业株式会社 | Rear structure for vehicle |
| JP2004262412A (en) * | 2003-03-04 | 2004-09-24 | Fuji Heavy Ind Ltd | Mounting structure for battery |
| KR100792566B1 (en) * | 2006-07-25 | 2008-01-09 | 기아자동차주식회사 | Apparatus for mounting a spare tire on a vehicle |
| CN101318525A (en) * | 2007-06-04 | 2008-12-10 | 三菱汽车工业株式会社 | Support structure of floor panel of luggage room |
| CN101920727A (en) * | 2009-06-12 | 2010-12-22 | 本田技研工业株式会社 | Back structure of vehicle body |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4539269B2 (en) * | 2004-09-30 | 2010-09-08 | マツダ株式会社 | Lower body structure of automobile |
| JP5237871B2 (en) * | 2009-04-10 | 2013-07-17 | 本田技研工業株式会社 | Rear body structure of automobile |
| JP4924665B2 (en) * | 2009-06-11 | 2012-04-25 | 日産自動車株式会社 | Rear structure of the car body |
-
2011
- 2011-12-20 JP JP2011278403A patent/JP5906715B2/en active Active
-
2012
- 2012-12-14 CN CN201210546459.2A patent/CN103171633B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419609A (en) * | 1993-01-07 | 1995-05-30 | Ford Motor Company | Energy isolation apparatus for an automotive vehicle |
| CN1490200A (en) * | 2002-09-04 | 2004-04-21 | 本田技研工业株式会社 | Rear structure for vehicle |
| JP2004262412A (en) * | 2003-03-04 | 2004-09-24 | Fuji Heavy Ind Ltd | Mounting structure for battery |
| KR100792566B1 (en) * | 2006-07-25 | 2008-01-09 | 기아자동차주식회사 | Apparatus for mounting a spare tire on a vehicle |
| CN101318525A (en) * | 2007-06-04 | 2008-12-10 | 三菱汽车工业株式会社 | Support structure of floor panel of luggage room |
| CN101920727A (en) * | 2009-06-12 | 2010-12-22 | 本田技研工业株式会社 | Back structure of vehicle body |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5906715B2 (en) | 2016-04-20 |
| JP2013129229A (en) | 2013-07-04 |
| CN103171633A (en) | 2013-06-26 |
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Granted publication date: 20150603 Termination date: 20211214 |
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