CN103171633A - Rear car body structure - Google Patents
Rear car body structure Download PDFInfo
- Publication number
- CN103171633A CN103171633A CN2012105464592A CN201210546459A CN103171633A CN 103171633 A CN103171633 A CN 103171633A CN 2012105464592 A CN2012105464592 A CN 2012105464592A CN 201210546459 A CN201210546459 A CN 201210546459A CN 103171633 A CN103171633 A CN 103171633A
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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 be equipped with the rear body structure of spare tyre.
Background technology
In the past; at the Loaded goods such as the spare tyre that is equipped on rear vehicle in the situation that forwards mobile when rear-end impact occurs; for fear of colliding with the storage battery that loads in the place ahead; proposition has the structure (for example, with reference to patent documentation 1) that disposes protection member (guiding elements) at the rear side of storage battery.
Patent documentation 1: TOHKEMY 2004-262412 communique
Summary of the invention
Yet this rear body structure in the past is arranged on the protection member of storage battery on the floor.Therefore, carry reliably input load from the such weight of spare tyre in order to utilize the protection member, need to improve the intensity on floor.
But, if the thickness of slab on tension member or thickening floor is set for the intensity that improves the floor, exist car body weight to increase and cost also uprises such problem.
Therefore, the present invention provides by effectively utilizing the spare tyre that is equipped on rear body input load is disperseed and can improve the rear body structure of the intensity on floor in the increase of the increase that suppresses car body weight and cost in view of this problem points in the past.
In rear body structure of the present invention; principal character is; be provided with spare tyre by the spare tyre analog bracket on the lower surface of luggage compartment floor; be provided with in the position of the front portion of above-mentioned luggage compartment floor apart from the guard bar (guard bar) of the upper surface specified altitude ground configuration of above-mentioned luggage compartment floor, utilize the guard bar supporting member this guard bar to be linked to above-mentioned luggage compartment floor near above-mentioned spare tyre analog bracket.On the other hand, on the position corresponding with circumference above-mentioned spare tyre in the lower surface of above-mentioned luggage compartment floor, a plurality of supports that supply standby tire butt are installed.
Adopt rear body structure of the present invention, in the situation that guard bar has been inputted load because of rear-end impact etc., this load via the guard bar supporting member to the luggage compartment floor transmission.Here, due to this guard bar supporting member be attached at the spare tyre analog bracket near, so input load is from the spare tyre analog bracket to the spare tyre transmission.The load that is delivered to this spare tyre is disperseed to luggage compartment floor on a large scale via a plurality of supports of the circumference that is connected to spare tyre.
Thereby, owing to can effectively utilizing spare tyre, the load that is input to guard bar is disperseed on a large scale to luggage compartment floor, so can improve the intensity of luggage compartment floor in the increase of the increase that suppresses car body weight and cost.
Description of drawings
Fig. 1 means the upward view of the rear vehicle of 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 with the rear vehicle decomposition of Fig. 1.
Fig. 5 represents the 2nd embodiment, is the cutaway view corresponding with Fig. 2 of the 1st embodiment.
The specific embodiment
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
The 1st embodiment
Fig. 1 to Fig. 4 represents the 1st embodiment of rear body structure of the present invention.As shown in Figure 1, be equipped with luggage compartment floor 3 on the ground in the luggage cabin 2 at the rear portion that consists of car body 1, this luggage compartment floor 3 has consisted of body bottom (under body).In addition, the top in Fig. 1 is vehicle front (arrow FR).
Also as shown in Figures 2 and 3, be equipped with spare tyre 4 on the lower surface (the nearby side in Fig. 1) of luggage compartment floor 3.Although the periphery that this spare tyre 4 is expressed as at wheel rim 41 is embedded with the common tire that tire 42 forms, it can be also the interim spare tyre (temporary tire) that in emergency circumstances uses.
Engaging on the lower surface of luggage compartment floor 3 has beam 13 described later, is combined with spare tyre analog bracket 5 at the downside of this beam 13.And the wheel rim 41 of spare tyre 4 is installed on spare tyre analog bracket 5 in loading and unloading mode freely.Particularly, be formed with wheel hub bore 43 in the central authorities of wheel rim 41, chimeric in this wheel hub bore 43 have a suspension element 9 that is 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 curb girder 6 and being strengthened after being bonded on the pair of right and left of extending along the vehicle fore-and-aft direction on the lower surface of overall width direction both sides of the luggage compartment floor 3 of rear body with luggage cabin 2.In addition, separate suitable space-stop rack along the vehicle fore-and-aft direction on above-mentioned a pair of rear curb girder 6,6 and be provided with the many crossbeams 7 that extend along the overall width direction.
In addition, in the present embodiment, also with dashed lines represents in partly being provided with the object of protection thing 8(Fig. 1 such as storage battery on the front upper surface by the luggage compartment floor 3 that is in vehicle front than the lift-launch of spare tyre 4).
Here; in the present embodiment; in the front portion of luggage compartment floor 3, specifically be on the lift-launch position and the position between object of protection thing 8 of spare tyre 4, with the upper surface specified altitude h(of distance luggage compartment floor 3 with reference to Fig. 2) mode dispose guard bar 11.This guard bar 11 extends into the roughly whole width across the overall width direction of luggage compartment floor 3.And, when occuring, rear-end impact etc. loaded in the omission of luggage compartment floor 3 graphic carrying object (for example, heavier luggage) when moving to the place ahead, this carrying object crash protection bar 11, and this guard bar 11 can bear the impact load of this carrying object.Thereby guard bar 11 has and stops carrying object forwards to 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.This guard bar supporting member 12 is located at the overall width direction central portion of guard bar 11, 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.At this moment, 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 the other end 12b side by vehicle front with an end 12a side.In addition, the two ends, left and right of guard bar 11 are linked to luggage compartment floor 3 by linking carriage 11a, 11a.
And, on the position corresponding with circumference spare tyre 4, for example tire 42 or wheel rim 41 outer peripheral edges in the lower surface of luggage compartment floor 3, a plurality of supports 10 that can supply standby tire 4 butts are installed.Support 10 form lower surface be tabular surface, the cross section is the short-movie of U word shape, 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, with about equally arranged spaced, 3 supports 10 are arranged at the circumference of spare tyre 4.In addition, support 10 also can directly 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 form extend along the vehicle fore-and-aft direction, cross section U word shape, its upper end is incorporated into the lower surface of luggage compartment floor 3.In the present embodiment, beam 13 nearby extends to the rear end of luggage compartment floor 3 from the crossbeam 7a that is positioned at vehicle rear.
And in the present embodiment, as shown in Figure 4, the vehicle front end 13a of beam 13 is combined with the crossbeam 7a at rear by carriage 14.In addition, omitted carriage 14 in Fig. 2.
Thereby, in the rear body structure of above-described present embodiment, forwards move due to rear-end impact etc. if load in the carrying object of luggage compartment floor 3, this carrying object can crash protection bar 11.And the movement of carrying object is because this collision stops, thereby can stop carrying object and object of protection thing 8 to interfere.At this moment, from the impact load F1(of carrying object with reference to Fig. 2) be input to guard bar 11.
Be linked to the upper surface of luggage compartment floor 3 due to guard bar 11 by guard bar supporting member 12, can be delivered to luggage compartment floor 3(arrow a) via guard bar supporting member 12 so be input to the impact load F1 of guard bar 11.At this moment, guard bar supporting member 12 is linked to luggage compartment floor 3 near spare tyre analog bracket 5.Therefore, impact load F 14 transmission (arrow b) from spare tyre analog bracket 5 to spare tyre.
Then, the impact load F 1 that is delivered to spare tyre 4 disperses (arrow c) via a plurality of supports 10 of the circumference that is connected to spare tyre 4 on a large scale to luggage compartment floor 3.
As described above, adopt the rear body structure of the 1st embodiment, can effectively utilize the impact load F1 that spare tyre 4 will be input to guard bar 11 and disperse on a large scale to luggage compartment floor 3.Thus, for the impact load F1 that is input to guard bar 11, can improve the intensity of luggage compartment floor 3 when not using tension member or suppressing as far as possible the use of tension member.Thereby, do not thicken the thickness of slab of luggage compartment floor 3 and increase cost and just can improve the intensity of 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 F 1 that is input to spare tyre analog bracket 5 also can be from beam 13 to luggage compartment floor 3 transmits.Thereby, can with larger area bearing load F1 effectively, can further improve the intensity of luggage compartment floor 3.
And, adopt present embodiment, beam 13 is incorporated into crossbeam 7a.Thus, impact load F1 is also transmitted to crossbeam 7a and rear curb girder 6 via beam 13.Therefore, load F1 is also transmitted to luggage compartment floor 3 from above-mentioned crossbeam 7a and rear curb girder 6, therefore can be with larger area bearing load F1.
The 2nd embodiment
Fig. 5 represents the 2nd embodiment of the present invention, and its mode that the repetitive description thereof will be omitted so that the component part identical with the 1st embodiment marked identical Reference numeral is described.In the present embodiment, the tensile load F2 of expression safety strap acts on the situation of guard bar 11.
The main difference part of the rear body structure of present embodiment and the 1st embodiment is, 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, dispose 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.Link by adjustabel part 22 on seat frame 20 back of seat frame 23 is arranged.
On the other hand, in overall width direction one side of seat frame 20, buckle of safety belt 30 is installed, in the mode that can load and unload, the button tongue that has been omitted graphic safety strap is installed on this buckle of safety belt 30.
Thereby if vehicle issues section's collision before death at the state that limits the occupant with safety strap, the tensile load F2 that acts 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 by guard bar supporting member 12 and structure that spare tyre 4 is supported on luggage compartment floor 3 is identical with the 1st embodiment.
Thereby in the present embodiment, at first the tensile load F2 that is input to buckle of safety belt 30 from safety strap when forwardly collision waits is delivered to guard bar 11(arrow d via seat frame 20).Then, being delivered to the tensile load F2 of guard bar 11 can be along disperseing to luggage compartment floor 3 with the impact load F 1 that describes in the 1st embodiment same path.
That is to say, the tensile load F2 that is input to guard bar 11 is delivered to luggage compartment floor 3(arrow a) via guard bar supporting member 12.Then, be delivered to tensile load F2 4 transmission (arrow b) from spare tyre analog bracket 5 to spare tyre of luggage compartment floor 3.And the tensile load F2 that is delivered to spare tyre 4 disperses (arrow c) via a plurality of supports 10 of the circumference that is connected to spare tyre 4 on a large scale to luggage compartment floor 3.
As described above, adopt the rear body structure of the 2nd embodiment, can effectively utilize the tensile load F2 that spare tyre 4 will be input to buckle of safety belt 30 and disperse on a large scale to luggage compartment floor 3.Thus, for the tensile load F2 that is input to guard bar 11, can improve the intensity of luggage compartment floor 3 when not using tension member or suppressing the use of tension member as far as possible.Thereby, also same with the 1st embodiment for the tensile load F2 of safety strap, do not follow the increase of cost, the increase of car body weight just can improve the intensity of luggage compartment floor 3.
By the way, although rear body structure of the present invention is illustrated as an example of the respective embodiments described above example, be not limited to above-mentioned embodiment, can carry out various changes in the scope that does not break away from purport of the present invention.
The present invention can be used in the vehicle that is 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 curb girder; 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. rear body structure, its bottom at luggage compartment floor is equipped with spare tyre by the spare tyre analog bracket, is equipped with the object of protection thing on the top of above-mentioned luggage compartment floor, disposes guard bar at the rear of this object of protection thing, it is characterized in that,
This rear body structure comprises:
The guard bar supporting member, it is linked to above-mentioned guard bar the upper surface of above-mentioned luggage compartment floor near 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 supply above-mentioned spare tyre butt,
When load is input to above-mentioned guard bar from the rear, this load from guard bar via above-mentioned guard bar supporting member, spare tyre analog bracket, spare tyre and support to the 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: curb girder after pair of right and left, and extend along the vehicle fore-and-aft direction its overall width direction both sides at above-mentioned luggage compartment floor; Crossbeam, it is set up in curb girder after above-mentioned pair of right and left, and above-mentioned beam is incorporated into this crossbeam.
4. wantonly 1 described rear body structure according to claim 1～3, 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 true CN103171633A (en) | 2013-06-26 |
| CN103171633B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865204A (en) * | 2022-05-23 | 2022-08-05 | 东风柳州汽车有限公司 | Multifunctional storage battery mounting rack and concrete mixer truck |
Citations (6)
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|---|---|---|---|---|
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865204A (en) * | 2022-05-23 | 2022-08-05 | 东风柳州汽车有限公司 | Multifunctional storage battery mounting rack and concrete mixer truck |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013129229A (en) | 2013-07-04 |
| CN103171633B (en) | 2015-06-03 |
| JP5906715B2 (en) | 2016-04-20 |
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Granted publication date: 20150603 Termination date: 20211214 |