CN100371202C - Carriage structure of car body - Google Patents
Carriage structure of car body Download PDFInfo
- Publication number
- CN100371202C CN100371202C CNB200410029517XA CN200410029517A CN100371202C CN 100371202 C CN100371202 C CN 100371202C CN B200410029517X A CNB200410029517X A CN B200410029517XA CN 200410029517 A CN200410029517 A CN 200410029517A CN 100371202 C CN100371202 C CN 100371202C
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- Prior art keywords
- strengthening part
- bight
- hollow section
- section
- inner face
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Abstract
To effectively increase the strength of the framework of a large size vehicle, a reinforcing member (12) with a substantially closed, triangular cross-section is arranged in a polygonal hollow cross-section (7) at the corner (3) of a front post (1) and top rail (2) for connecting the vehicle. The edges (13, 15) of the reinforcing member (12) transect the hollow cross-section (7) at the vicinity of the crest lines (8, 16) of the hollow cross-section (7) respectively, and then extend to the vicinity of the crest line (14) at the top front side of the vehicle.
Description
Technical field
The present invention relates to the structure of the connecting bridge of the body frame structure for automotive of vehicle body, particularly front supported beam and roof rail.
Background technology
As Fig. 1 and shown in Figure 7, front supported beam and roof rail 3 are connected in the bight in the vehicle body in the past.The section in bight 3 tilts respectively with respect to fore-and-aft direction up and down, engages with the outside plate 4 of superimposition and oblique frame 5, inner panel 6, becomes roughly polygonal hollow section 7.In this vehicle body frames structure in the past, the vehicle front collides, when vehicle front applies very big impulsive force, shown in the long and two-short dash line of Fig. 7, the phenomenon that the rear view of vehicle downside crest line portion 8 that has just produced hollow section 7 bends to the inside, polygonal shape destroys.Therefore, can occur vehicle body frames in the bight 3 places to rear view of vehicle bending, make the situation that the compartment deforms easily.
Therefore, once considered in the scope of the A in bight 3 one in the past, added the method for oblique frame 9, perhaps 3 added a plurality of dividing plates with proper spacing in the bight along inner face.Yet, adopt the former, even section factor increases, also differing solves the easily problem of bending of bight 3 surely, simultaneously, a plurality of sheet materials is carried out spot welding, also is subjected to technical restriction.In addition, adopt the latter, the shortcoming that the vehicle frame cost increases and production efficiency reduces is significantly then arranged.
In addition, as the structure of the bending stiffness that improves the vehicle strutbeam, the technology that the open communique spy of Japanese Patent opens record in 2001-233242 number is known.At this moment, the strengthening part of configuration hat in the strutbeam of closed section, Z-shaped, コ font etc.Yet,, can not improve the intensity in the bight that connects strutbeam and roof rail no matter the sort of strengthening part all is arranged in the straight line portion of strutbeam.
Summary of the invention
The objective of the invention is to, a kind of body frame structure for automotive of body frame structure for automotive intensity of effective enhancing vehicle body is provided.
Therefore, the vehicle body frames structure that the present invention relates to is as described below: have the bight that connects front supported beam and roof rail and the roughly polygonal hollow section of this connecting portion formation, described bight constitutes and comprises: outside plate; Be configured in the oblique frame of the inboard of this outside plate; Inner panel; And the strengthening part that extends on described front supported beam and the described roof rail, described strengthening part only is fixed on the described inner panel, extend to the car outside of described hollow section inner face at the top of described strengthening part, separates little gap with this car outside inner face and be oppositely arranged.
That is, strengthening part extends in roof rail by the bight from front supported beam, simultaneously, from the hollow section in the cabin side inner face crosscut bight in bight, extends to the car outside, and across corner plays the effect of effective reinforcement.Therefore, even when take place to collide the vehicle front, applied very big impulsive force from vehicle front, it is not flexible with the bight of roof rail to connect front supported beam yet, and the vehicle frame part is inhibited easily to the situation that the rear view of vehicle bending makes the compartment be out of shape, and can protect the occupant.In addition, strengthening part is fixed on the cabin side inner face in bight, and needn't be fixed on the car outside inner face in bight, so that the simple shapeization of strengthening part is also installed strengthening part easily.Therefore, can reduce the manufacturing cost of vehicle frame.
Description of drawings
Fig. 1 is the summary lateral view of the 1st embodiment key position of the present invention.
Fig. 2 is the enlarged drawing in the II-II cross section of Fig. 1.
Fig. 3 is for being equivalent to the cross sectional drawing of Fig. 2 among the 2nd embodiment of the present invention.
Fig. 4 is for being equivalent to the cross sectional drawing of Fig. 2 among the 3rd embodiment of the present invention.
Fig. 5 is for being equivalent to the cross sectional drawing of Fig. 2 among the 4th embodiment of the present invention.
Fig. 6 is for being equivalent to the cross sectional drawing of Fig. 2 among the 5th embodiment of the present invention.
Fig. 7 is for being equivalent to the cross sectional drawing of Fig. 2 in the conventional art.
The specific embodiment
Below, embodiments of the invention are described, will with the above-mentioned same section that in the past installed identical part and each embodiment prosign of annotating respectively.But, the invention is not restricted to the following embodiment that will illustrate, can carry out numerous variations without departing from the spirit and scope of the present invention.
In the 1st embodiment of Figure 1 and Figure 2, front supported beam of vehicle body 1 and roof rail 2 bonded assembly bights 3, its section tilts respectively with respect to fore-and-aft direction up and down, has, roughly polygonal hollow section 76 that engage with superimposed outside plate 4 and oblique frame 5, inner panel.Pass through bight 3 in the A portion scope that roof rail 2 extends from front supported beam 1,11 that form by the bending plate 10 of vee shape roughly and substrate, as to be general triangular closed section strengthening part 12, be welded on the inner face of inner panel 6, just the cabin side inner face of the hollow section 7 in bight 3.And among the 1st embodiment, hollow section 7 has constituted closed section by oblique frame 5 and inner panel 6.
At this moment, the limit 13 of bending plate 10, near the rear view of vehicle downside crest line portion 8 of inner panel 6, crosscut hollow section 7 extends near the vehicle front upside crest line portion 14 of oblique frame 5.In addition, the limit 15 of bending plate 10, near the cabin side top crest line portion 16 of inner panel 6, crosscut hollow section 7 extends near the vehicle front upside crest line portion 14 of oblique frame 5.The top 17 of strengthening part 12 separates little gap with vehicle front upside crest line portion 14 and is oppositely arranged.
Therefore, when the vehicle front collide, when the bight 3 that vehicle front applies the body frame structure for automotive of very big impulsive force, vehicle body will deform, at first, top 17 by strengthening part 12 relatively embeds to the inboard of vehicle front upside crest line portion 14, both form engagement, and top 17 is suppressed with respect to the lateral excursion or the slip of vehicle front upside crest line portion 14.In addition, because the closed section that strengthening part 12 has general triangular, the intensity of strengthening part 12 itself is bigger, be arranged in the limit 13 of bending plate 10 of the strengthening part 12 in bight 3, near the rear view of vehicle downside crest line portion 8 and between near the vehicle front upside crest line portion 14, play the cantilever beam action.Simultaneously, the cantilever beam action near the crest line part 16 above the cabin side and between near the vehicle front upside crest line portion 14, is played in the limit 15 of bending plate 10.
In addition, because strengthening part 12 extends to roof rail 2 by bight 3 from front supported beam 1, on this both direction of hollow section 7 directions in length direction by bight 3 and crosscut bight 3, extend, thus since the existence of strengthening part 12 make bight 3 to add brute force very big.Therefore, can effectively suppress the interior lateral buckling of crest line portion 8 to hollow section 7.For this reason, vehicle frame 3 rearward bends and makes the situation of compartment distortion in the bight, is inhibited easily, can protect the occupant.
In addition, strengthening part 12 forms in the cabin side in bight 3 towards the outstanding mountain type closed section in the car outside, simultaneously, the inner face of the cabin side of strengthening part 12 and inner panel 6 is that face contacts, so because the existence of strengthening part 12 makes the brute force that adds in bight 3 become bigger.Therefore, the vehicle frame situation that 3 places are out of shape the compartment to the rear view of vehicle bending in the bight is further suppressed.
In addition, the simple shape that strengthening part 12 forms the general triangular closed sections gets final product, and the substrate 11 of strengthening part 12 is welded on the inner panel 6 in advance, makes strengthening part 12 can be accommodated in hollow section 7 inside in bight 3 at an easy rate.At this moment, will strengthening part 12 and the oblique frame 5 that forms the car outside inner face in bight 3 be fixed together, the shape need of strengthening part 12 and installation method all become easily and simple, can prevent the increase of the assembling procedure of strengthening part 12.Therefore, has the very big advantage that can reduce the vehicle frame manufacturing cost.
In addition, if in the time of will considering that especially vehicle front takes place to collide, the interior lateral buckling of rear view of vehicle downside crest line portion 8 in the bight 3, also the 2nd embodiment is such as shown in Figure 3, be provided with and suppress rear view of vehicle downside crest line portion 8 strengthening part 20 of bending to the inside, replace strengthening part 12.
Among the 3rd embodiment shown in Figure 4, the front supported beam 1 of vehicle body and roof rail 2 bonded assembly bights 3, its section tilts respectively with respect to fore-and-aft direction up and down, make outside plate 4 and tiltedly frame 5 engage, have engaging and the roughly polygon hollow section 7 that forms of the inboard, compartment that is configured in outside plate 4 by oblique frame 5 and inner panel 6.Extend to the overall width direction is inboard on the top 6 ' of inner panel 6, is connected with front window upper ledge not shown in the figures.
In addition, identical with the situation of the 1st embodiment, the strengthening part that is the general triangular closed section 12 that extends to roof rail 2 by bight 3 from front supported beam 1, constitute by the roughly bending plate 10 and the substrate 11 of vee shape, be welded on inner panel 6 inner face, be to contact on the cabin side inner face of hollow section 7 in bight 3 and with its face.In addition, strengthening part 12, the cabin side inner face crosscut hollow section 7 of 3 hollow section 7 from the bight forms the outstanding chevron closed section of car outside inner face to hollow section 7, and the top 17 of strengthening part 12 separates little gap with the vehicle front upper side of oblique frame 5 and is oppositely arranged.
Therefore, the vehicle front collides, when the bight 3 that vehicle front applies the body frame structure for automotive of very big impulsive force, vehicle body will deform, at first, the top 17 of strengthening part 12 forms with the vehicle front upper side of oblique frame 5 and contacts, because strengthening part 12 extends to roof rail 2 by bight 3 from front supported beam 1, on this both direction of direction of the hollow section 7 in length direction by bight 3 and crosscut bight 3, extend, so since the existence of strengthening part 12 make bight 3 to add brute force very big, the distortion in bight 3 is effectively suppressed.For this reason, the vehicle frame situation that 3 places make the compartment be out of shape to the rear view of vehicle bending in the bight is inhibited easily, can protect the occupant, can reach the action effect same with the various embodiments described above.
In addition, strengthening part 12 forms in the cabin side in bight 3 towards the outstanding chevron closed section in the car outside, simultaneously, the cabin side of strengthening part 12 is that face contacts with the inner face of inner panel 6, so because the existence of strengthening part 12 makes the brute force that adds in bight 3 become bigger, thereby 3 places are further suppressed the situation of compartment distortion to the rear view of vehicle bending to vehicle frame in the bight.
In addition, also can not adopt the strengthening part 12 among the 3rd embodiment, and the 4th embodiment is such as shown in Figure 5, an end of tabular strengthening part 30 roughly is welded on the rear view of vehicle downside inner face of inner panel 6, the other end crosscut hollow section 7 of strengthening part 30 separates little gap with the vehicle front upper side of oblique frame 5 and is oppositely arranged and forms.
Have again, the 5th embodiment as shown in Figure 6, the top 6 ' by making the inner panel 6 among the 3rd embodiment engages with the oblique upper end of frame 9 and forms the roughly hollow section 7 of polygon closed section, and other structures are identical with the 3rd embodiment.In the 5th embodiment, also can play the action effect identical with the 3rd embodiment.
Claims (5)
1. the body frame structure for automotive of a vehicle body, it has the bight (3) that connection front supported beam (1) and roof rail (2) and this connecting portion form roughly polygonal hollow section (7), it is characterized in that,
Described bight (3) constitutes and comprises: outside plate (4); Be configured in the oblique frame (5) of the inboard of this outside plate (4); Inner panel (6); And across described front supported beam (1) and the last strengthening part (12,20,30) that extends of described roof rail (2), described strengthening part (12,20,30) only is fixed on the described inner panel (6),
Extend to the car outside of described hollow section inner face at the top (17) of described strengthening part (12,20,30), separates little gap with this car outside inner face and be oppositely arranged.
2. the body frame structure for automotive of vehicle body according to claim 1 is characterized in that,
The outstanding mountain type section of car outside inner face to described hollow section (7) is formed on the top (17) of described strengthening part (12,20,30).
3. the body frame structure for automotive of vehicle body according to claim 1 and 2 is characterized in that,
Described strengthening part (12,20,30) forms closed section in described hollow section (7).
4. the body frame structure for automotive of vehicle body according to claim 3 is characterized in that,
Form the face of described closed section in the described strengthening part (12,20,30), join with the cabin side inner face of described hollow section (7).
5. according to the body frame structure for automotive of each described vehicle body in the claim 1 to 4, it is characterized in that,
The top (17) of described strengthening part (12,20,30) extends near the crest line portion of car outside inner face of described hollow section near the crest line portion of the cabin side inner face of described hollow section (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003073122 | 2003-03-18 | ||
| JP073122/2003 | 2003-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1530273A CN1530273A (en) | 2004-09-22 |
| CN100371202C true CN100371202C (en) | 2008-02-27 |
Family
ID=34308310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410029517XA Expired - Fee Related CN100371202C (en) | 2003-03-18 | 2004-03-18 | Carriage structure of car body |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100371202C (en) |
| TW (1) | TWI238135B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2875774B1 (en) * | 2004-09-28 | 2008-02-15 | Peugeot Citroen Automobiles Sa | STRUCTURE ELEMENT FOR MOTOR VEHICLE. |
| CN103144679B (en) * | 2008-07-04 | 2016-03-09 | 本田技研工业株式会社 | The front pillar of automobile |
| CN101659278B (en) * | 2008-12-31 | 2011-06-15 | 上汽通用五菱汽车股份有限公司 | Upper edge beam inner plate welding element of composite optimized structure |
| WO2011027633A1 (en) * | 2009-09-02 | 2011-03-10 | 本田技研工業株式会社 | Vehicle body front structure |
| CN102849115B (en) * | 2011-06-28 | 2015-10-28 | 北汽福田汽车股份有限公司 | Body in white pretectum assembly and commercial vehicle |
| DE102012004761A1 (en) * | 2012-03-08 | 2013-09-12 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Reinforcing part for a roof side rail |
| WO2015190034A1 (en) * | 2014-06-09 | 2015-12-17 | マツダ株式会社 | Rear body structure for automobiles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0478773A (en) * | 1990-07-19 | 1992-03-12 | Nissan Motor Co Ltd | Top body structure of automobile |
| JPH0872741A (en) * | 1994-08-31 | 1996-03-19 | Fuji Heavy Ind Ltd | Center pillar structure for vehicle |
| JPH1159497A (en) * | 1997-08-12 | 1999-03-02 | Nissan Motor Co Ltd | Body side face structure |
| JP2000142469A (en) * | 1998-11-11 | 2000-05-23 | Nissan Shatai Co Ltd | Car body structure |
| JP2001233242A (en) * | 2000-02-24 | 2001-08-28 | Mitsubishi Motors Corp | Pillar structure for vehicle |
-
2004
- 2004-02-27 TW TW93105076A patent/TWI238135B/en not_active IP Right Cessation
- 2004-03-18 CN CNB200410029517XA patent/CN100371202C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0478773A (en) * | 1990-07-19 | 1992-03-12 | Nissan Motor Co Ltd | Top body structure of automobile |
| JPH0872741A (en) * | 1994-08-31 | 1996-03-19 | Fuji Heavy Ind Ltd | Center pillar structure for vehicle |
| JPH1159497A (en) * | 1997-08-12 | 1999-03-02 | Nissan Motor Co Ltd | Body side face structure |
| JP2000142469A (en) * | 1998-11-11 | 2000-05-23 | Nissan Shatai Co Ltd | Car body structure |
| JP2001233242A (en) * | 2000-02-24 | 2001-08-28 | Mitsubishi Motors Corp | Pillar structure for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI238135B (en) | 2005-08-21 |
| TW200418667A (en) | 2004-10-01 |
| CN1530273A (en) | 2004-09-22 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20210318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |