WO2013077083A1 - 車両用サイドパネル構造 - Google Patents
車両用サイドパネル構造 Download PDFInfo
- Publication number
- WO2013077083A1 WO2013077083A1 PCT/JP2012/075321 JP2012075321W WO2013077083A1 WO 2013077083 A1 WO2013077083 A1 WO 2013077083A1 JP 2012075321 W JP2012075321 W JP 2012075321W WO 2013077083 A1 WO2013077083 A1 WO 2013077083A1
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- WO
- WIPO (PCT)
- Prior art keywords
- panel
- pillar
- frame
- inner frame
- vehicle
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
- B62D25/025—Side sills thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
Definitions
- the present invention relates to a vehicle side panel structure in which a closed cross-section structure is formed around a door opening by a side outer panel and a side inner panel.
- a vehicle side panel structure includes a side panel outer provided on the outside of the vehicle and a side inner panel provided on the inside of the vehicle.
- the side panel outer includes an upper frame portion formed by an upper portion of the front pillar outer, a roof rail outer, a rear pillar outer, and a rear fender panel, a lower frame portion formed by a lower portion of the front pillar outer and a side sill outer,
- a center pillar outer that joins the upper frame portion and the lower frame portion and a side sill garnish that covers the side sill outer of the lower frame portion are configured.
- a side panel outer frame part is formed by joining the upper frame part to the lower frame part, the side panel outer frame part is joined to the center pillar outer, and the side sill outer covers the id sill garnish.
- a steel plate is usually used for the upper frame portion, a high-tensile steel plate or the like is used for the lower frame portion and the center pillar outer, and a resin is used for the side sill garnish.
- the roof rail outer of the side panel outer frame part is made of plain steel plate that is easy to press form, so it can be pressed with a sharp shape and can reduce the gap with the door. Improves. Since the center pillar outer of the side panel outer uses a high-strength steel plate, it is possible to exert proof strength against a side impact load (see, for example, Patent Document 1).
- the upper part of the front pillar outer, the upper frame part formed by the roof rail outer, the rear pillar outer and the rear fender panel, the lower part of the front pillar outer, and the side sill outer are formed.
- the side panel outer is divided into the upper frame, the lower frame, and the center pillar outer. Since these upper frame part, lower frame part, and center pillar outer are joined, a joint is generated at the joint part of these parts.
- An object of the present invention is to provide a vehicle side panel structure that can eliminate a reinforcing member that is necessary for a structure having a closed cross section around a door opening and can promote weight reduction of a vehicle body. It is another object of the present invention to provide a vehicle side panel structure that can eliminate joints and contribute to vehicle body rigidity and collision performance.
- a side outer panel provided on the vehicle outer side and a side inner panel provided on the vehicle inner side are provided, and a structure having a closed cross section around the door opening is formed by the side outer panel and the side inner panel.
- a vehicle side panel structure including the frame.
- the structure forming the closed cross section includes a roof side rail, and the roof side rail has a closed cross section formed by the inner frame and the outer frame. .
- the structure forming the closed cross section includes a side sill, and the side sill has a closed cross section formed by the inner frame and the outer frame.
- the structure forming the closed cross section includes a front pillar, and the front pillar is formed of a front pillar inner of the side inner panel and the inner frame.
- a front fender is coupled to the outer frame.
- the structure forming the closed cross section includes a rear pillar, and the rear pillar is formed by the joined inner frame and outer frame, and a rear wheel house extension. It has a closed cross section.
- the inner frame is one of a high-tensile-strength steel material and a hot stamp product.
- the outer frame is any one of a low-strength steel plate, an aluminum alloy plate, and a resin plate.
- the structure forming the closed cross section includes a side sill, the side sill has a closed cross section formed by the inner frame and the side inner panel, and the outer sill An outer appearance surface below the door opening is formed by the frame.
- the inner frame is formed by hot stamping the high-strength steel plate
- the structure forming the closed cross section includes a front pillar, a center pillar, and a rear pillar
- the strength of each of the front pillar, the center pillar, and the rear pillar changes the hot stamping conditions of the inner frame or joins a plurality of high-tensile-strength steel materials having different strengths, There is a difference in tensile strength between the center pillar and the rear pillar.
- the outer frame of the side outer panel is joined to a rear edge of the front fender that covers the side of the front portion of the vehicle body.
- the inner frame of the side outer panel is formed with a receiving surface for receiving input from a door beam of a vehicle door.
- the side panel structure for a vehicle has a side outer panel provided on the vehicle outer side and a side inner panel provided on the vehicle inner side, and has a closed cross section around the door opening by the side outer panel and the side inner panel.
- a structure is formed.
- the side outer panel is composed of an inner frame formed of a high-strength steel plate having a high tensile strength and an outer frame formed of a material that easily forms an outer appearance on the outer peripheral portion of the inner frame. Even when a high-strength steel plate having high strength and high rigidity is used, the inner frame can be formed of a single steel plate.
- the inner frame of the side outer panel of the high-strength steel plate seamlessly goes around the periphery of the door opening, and the side wall of the closed section of the door opening periphery formed by this inner frame and the side inner panel is the vehicle body.
- the inner frame is formed of a high-strength steel plate having a high tensile strength, it is possible to eliminate a reinforcing member that has been conventionally required for a structure having a closed cross section around the door opening. As a result, the weight of the vehicle body can be reduced. Since the outer frame of the outer peripheral portion of the inner frame is formed of a material that can easily form the appearance, the ridgeline of the roof side rail of the side outer panel that faces the outer edge of the door opening can be sharpened. As a result, the appearance of the vehicle body can be improved.
- the roof side rail described in claim 2 has a closed cross-sectional shape, the rigidity of the vehicle body is improved. Therefore, the impact resistance at the time of a side collision of the vehicle is improved, and other members such as a reinforcing member can be eliminated.
- the side sill according to claim 3 forms a closed section, the rigidity of the vehicle body is increased. Therefore, the impact resistance at the time of a side collision of the vehicle is improved, and other members such as a reinforcing member can be eliminated.
- the rigidity of the vehicle body is improved. Therefore, the impact resistance at the time of a side collision of the vehicle is improved, and other members such as a reinforcing member can be eliminated.
- the rigidity of the vehicle body is increased. Therefore, the impact resistance at the time of a side collision of the vehicle is improved, and other members such as a reinforcing member can be eliminated.
- the inner frame according to claim 6 can use a high-strength steel plate of 1000 MPa or more as one of high-tensile-strength steel material and HOT STAMP product to further improve vehicle body rigidity and collision performance. Can do.
- the outer frame is one or more of a low-strength steel plate, an aluminum alloy plate, and a resin plate, and the outer frame is a design part that does not support a load, and is further lightweight. And the appearance can be improved by the sharp shape and paintability.
- the separate side sill garnish is It became unnecessary. Thereby, it is sufficient to adopt a side sill garnish such as a side spoiler only for a vehicle type that requires a side sill garnish in terms of design, and the cost of the vehicle body of the base model can be reduced.
- the inner frame is formed by hot stamping a high-strength steel plate, and the strength of the front pillar, center pillar, or rear pillar as the structure changes the hot stamping conditions of the inner frame. Or by joining a plurality of high-tensile-strength steel materials having different strengths to make a difference in the tensile strength of the front pillar, center pillar, or rear pillar.
- hot stamping technology or tailored blank technology it is possible to make a difference in tensile strength between the front pillar, center pillar or rear pillar, and appropriate strength for the front pillar, center pillar or rear pillar. Can be added to control the amount of indoor intrusion and the vertical position at the time of a side collision.
- the receiving surface for receiving the input from the door beam of the vehicle door is formed on the inner frame of the side outer panel, the side impact load is provided on the vehicle door covering the door opening.
- the door beam which increases the rigidity and strength of the door can be directly received by the inner frame formed of a high strength steel plate having a high tensile strength. As a result, the collision performance of the side part of the vehicle body can be improved.
- FIG. 3 is a cross-sectional view taken along line 3-3 in FIG.
- FIG. 4 is a cross-sectional view taken along line 4-4 of FIG.
- FIG. 5 is a cross-sectional view taken along line 5-5 in FIG.
- FIG. 6 is a cross-sectional view taken along line 6-6 in FIG.
- FIG. 7 is a cross-sectional view taken along line 7-7 in FIG.
- FIG. 8 is a cross-sectional view taken along line 8-8 in FIG.
- FIG. 3 is a cross-sectional view taken along line 3-3 in FIG.
- FIG. 4 is a cross-sectional view taken along line 4-4 of FIG.
- FIG. 5 is a cross-sectional view taken along line 5-5 in FIG.
- FIG. 6 is a cross-sectional view taken along line 6-6 in FIG.
- FIG. 7 is a cross-sectional view taken along line 7-7 in FIG.
- FIG. 8 is a cross-sectional view taken along line 8-8 in FIG.
- FIG. 9 is a cross-sectional view taken along line 9-9 of FIG.
- FIG. 10 is a cross-sectional view taken along line 10-10 in FIG.
- FIG. 2 is a cross-sectional view taken along line 11-11 in FIG.
- FIG. 12 is a sectional view taken along line 12-12 of FIG. It is the perspective view which expanded the area
- It is the figure which compared the side panel structure shown by FIG. It is the figure which compared the front pillar of the side panel structure for vehicles shown by FIG.
- the vehicle body 11 includes a vehicle side panel structure 20 on its side.
- An engine room 13 is formed in front of the passenger compartment 12, and a trunk room 14 is formed in the rear of the passenger compartment 12.
- the vehicle side panel structure 20 includes a front pillar 17 that forms a vertical skeleton on the front side of the vehicle body 11, a center pillar 18 that forms a vertical skeleton on the center side of the vehicle body 11, and a vertical skeleton on the rear side of the vehicle body 11.
- a rear pillar 19 that forms a vertical skeleton on the upper side of the vehicle body 11, and a side sill 25 that forms a horizontal skeleton on the lower side of the vehicle body 11.
- the rear edge 28a (see FIG. 4) of the front fender 28 is fixed to the front pillar 17.
- the roof side rail 24 connects the upper end of the front pillar 17, the upper end of the center pillar 18, and the upper end of the rear pillar 19.
- the side sill 25 connects the lower end of the front pillar 17, the lower end of the center pillar 18, and the lower end of the rear pillar 19.
- the vehicle side panel structure 20 includes a front pillar 17, a center pillar 18, and a rear pillar by joining a side outer panel 21 provided on the outdoor side and a side inner panel 22 provided on the vehicle compartment 12 side. 19, a roof side rail 24, a side sill 25, and a rear fender 29 are formed.
- the front pillar 17, the center pillar 18, the rear pillar 19, the roof side rail 24, and the side sill 25 form the front and rear door openings 35 and 36 with the side outer panel 21 and the side inner panel 22.
- a closed cross section is formed.
- a front door 37 is provided at the front door opening 35 so as to be openable and closable, and a rear door 38 is provided at the rear door opening 36 so as to be openable and closable.
- a roof panel 39 is attached in the vehicle width direction of the roof side rail 24.
- the side outer panel 21 includes an inner frame 26 formed of a high-strength steel plate having a high tensile strength and an outer frame 27 provided on an outer peripheral portion 26a of the inner frame 26 and formed of a low-strength steel plate having a low tensile strength.
- the inner frame 26 collides with the rigidity of the vehicle body by the side inner panel 22 that is formed on the outer plate of the front pillar 17, the center pillar 18, the rear pillar 19, the roof side rail 24, the side sill 25, and the rear fender 29 and is provided on the vehicle compartment 12 side. Forms a closed cross section responsible for performance.
- the outer frame 27 forms a design surface outside the door, and overlaps and joins the outer periphery of the inner frame 26 to improve the appearance of the front pillar 17, the rear pillar 19, the roof side rail 24, the side sill 25, and the rear fender 29.
- the high-strength steel plate with high tensile strength of the inner frame 26 is a steel plate of 500 MPa to 1500 MPa class, which is press-molded while heating a high-strength steel plate containing a hot stamp material, hardened, and further added with high tensile strength. Press molding in which a high-tensile steel plate is press-formed while being heated, rapidly cooled and cured, and further enhanced in high tensile strength is called hot stamping. Since it is difficult to press-mold with a hard material, it cannot be applied to the outer surface of a vehicle body related to an external design having a sharp ridgeline.
- the tensile strength is slightly inferior to hot stamped molded products, it is a cold press molded product of high tensile strength steel (hereinafter abbreviated as high-tensile material) depending on the vehicle shape and structure. Or a tailored blank product may be used.
- high-tensile material high tensile strength steel
- the low strength steel plate having a low tensile strength a 270 MPa grade steel plate (regular steel plate) is used. Since a normal steel plate has high ductility and good formability, the design line of the vehicle body 11 can be realized in a sharp shape by cold press forming. That is, ordinary steel plates are soft and easy to form.
- the high strength steel plate As the ordinary steel plate, a cold rolled steel plate having a tensile strength of 270 MPa or more is used, and the high strength steel plate generally has a tensile strength of 340 MPa to 790 MPa. However, there is also a view that 490 MPa or more is a high-tensile steel plate. This high-tensile steel plate is included in the high-strength steel plate of the present invention.
- Hot stamping means that a high-tensile steel plate containing high-tensile material is easily deformed by heating it to a high temperature. It is a construction method that can be used. That is, the tensile strength can be increased to about 1500 MPa by heating the high-tensile steel plate to a high temperature and quenching. Since the outer frame 27 forms an appearance that does not impose a load on the vehicle body load, an aluminum alloy plate or a resin plate can be used instead of the low-strength steel plate having a low tensile strength.
- the side outer panel 21 is formed by joining an outer frame 27 to an inner frame 26, so that a front pillar outer (front pillar portion) 41, a center pillar outer (center pillar portion) 42, a rear pillar outer (rear pillar portion) 43, and a roof side rail outer. (Roof side portion) 44, side sill outer (side sill portion) 45, and rear fender 29 are formed.
- the front pillar outer 41 includes an inner front pillar portion 51 of the inner frame 26 and an outer front pillar portion 61 of the outer frame 27.
- the center pillar outer 42 is composed only of the inner frame 26.
- the rear pillar outer 43 includes an inner rear pillar portion 53 of the inner frame 26 and an outer rear pillar portion 63 of the outer frame 27.
- the roof side rail outer 44 includes an inner roof side rail portion 54 of the inner frame 26 and an outer roof side rail portion 64 of the outer frame 27.
- the side sill outer 45 includes an inner side sill portion 55 of the inner frame 26 and an outer side sill portion 65 of the outer frame 27.
- the inner frame 26 includes an inner front pillar portion 51, a center pillar outer 42, an inner rear pillar portion 53, an inner roof side rail portion 54, and an inner side sill portion 55.
- the outer frame 27 includes an outer front pillar portion 61, an outer rear pillar portion 63, an outer roof side rail portion 64, an outer side sill portion 65, and a rear fender 29.
- the inner frame 26 is formed by hot stamping a high-strength steel plate.
- Each strength of the front pillar 17, center pillar 18, or rear pillar 19 as a structure changes the hot stamping conditions of the inner frame 26, thereby giving a difference in tensile strength of the front pillar 17, center pillar 18, or rear pillar 19. .
- a plurality of high tensile materials having different strengths may be joined.
- Japanese Patent Application Laid-Open No. 2004-55265 “Constant power conduction heating method for metal plate”
- Japanese Patent Application Laid-Open No. 2006-306211 “Tailored blank welding” “Structural member”
- Japanese Patent Application Laid-Open No. 2005-330504 “Partial heat treatment method and apparatus for heat treatment member”
- Japanese Patent Application Laid-Open No. 2006-289425 “Hot press forming method and apparatus”
- the front pillar 17, the center pillar 18 or the rear pillar 19 can be provided with a difference in tensile strength, and the manufacture of the inner frame 26 with improved productivity can be realized at low cost. .
- a high-strength steel plate including a hot stamp material is used, the heating temperature and the cooling rate of the center pillar outer 42 are changed, the center pillar outer 42 is set to a tensile strength of about 1500 MPa, the inner front pillar portion 51, the inner rear pillar.
- the heating temperature and cooling rate of the portion 53, the inner roof side rail portion 54 and the inner side sill portion 55 are changed, and the inner front pillar portion 51, the inner rear pillar portion 53, the inner roof side rail portion 54 and the inner side sill portion 55 are made to have a tensile strength of 980 MPa. Set to degree.
- the tensile strength optimum for the side collision performance can be added to the inner frame 26.
- the lower part of the center pillar outer 42 may be made weaker than the upper part to control the vehicle intrusion position and the intrusion amount at the time of a side collision.
- the side inner panel 22 includes a front pillar inner 71, a center pillar inner 72, a rear pillar inner 73, a roof side rail inner 74, and a side sill inner 75.
- the side inner panel 22 ensures high strength with a thick plain steel plate or high-tensile steel plate.
- the front pillar 17, center pillar 18, rear pillar 19, roof side rail 24, and side sill 25 are formed into a high-strength closed cross-section frame by the inner frame 26 of the high-strength side outer panel 21 and the high-strength side inner panel 22. Has been.
- the roof side rail 24 as a structure includes a roof side rail outer 44 and a roof side rail inner 74.
- the roof side rail 24 is provided with a roof reinforcing rail (roof arch) 85 extending in the vehicle width direction.
- a roof panel 39 is provided above the roof reinforcing rail 85.
- the roof panel 39 is reinforced with a roof reinforcing rail 85.
- the outer roof side rail portion 64 of the outer frame 27 of the side outer panel 21 has an upper flange 64a that protrudes toward the vehicle compartment 12 side.
- the inner roof side rail portion 54 of the inner frame 26 has an intermediate flange 54a that extends toward the vehicle compartment 12 side.
- the upper flange 64a is joined to the intermediate flange 54a.
- the outer roof side rail portion 64 has a lower flange 64b on the outdoor side.
- the lower flange 64b is bent toward the outdoor side wall 54b of the inner roof side rail portion 54 of the inner frame 26 and faces the upper edges of the doors (front and rear doors) 37 and 38.
- the lower flange 64b is joined to the outdoor side wall 54b.
- the joint part is hidden under the bent lower surface and the doors (front and rear doors) 37 and 38 and does not hinder the appearance. Further, the intermediate flange 54a of the inner frame 26 on the vehicle compartment 12 side is joined to an upper bent portion 74a of a roof side rail inner 74 described later together with an end portion 39a of the roof panel 39 and an end portion 85a of the roof reinforcing rail 85.
- a lower end 54c of the inner roof side rail portion 54 that extends outward from the outdoor side wall 54b is joined to a lower bent portion 74b of the roof side rail inner 74, so that the roof side rail 24 forms a closed section 94.
- An outer appearance of the upper side of the door openings 35 and 36 is formed by the outer roof side rail portion 64 of the outer frame 27. Since the outer roof side rail portion 64 is formed of a normal steel plate, it has high ductility, and it is possible to form a ridge line 64c that bends from the lower end of the side wall 64d toward the vehicle compartment 12 as a sharp design shape, thereby improving the appearance. .
- a first roof closed section 94A that bears vehicle body rigidity and collision performance is formed by the inner roof side rail portion 54 of the inner frame 26 and the roof side rail inner 74 of the side inner panel 22, and the inner roof of the inner frame 26.
- the side rail portion 54 and the outer roof side rail portion 64 form a second roof closed section 94B that forms a design surface.
- the front pillar 17 includes a front pillar outer 41 and a front pillar inner 71.
- a front pillar side closed section 91 that bears vehicle body rigidity and collision performance is formed by the inner front pillar portion 51 of the inner frame 26 and the front pillar inner 71 of the side inner panel 22.
- the outer front pillar portion 61 of the outer frame 27 forms an appearance below the front and rear door openings 35 and 36.
- a dashboard lower 15 that partitions the vehicle compartment 12 (FIG. 1) and the engine room 13 is connected to the lower portion of the front pillar inner 71.
- the front end 71a of the front pillar inner 71 of the side inner panel 22 is joined to the side end 15a of the dashboard lower 15 and the front end 51a of the inner front pillar portion 51 of the high strength steel plate of the inner frame 26.
- the rear end 51 b of the inner front pillar portion 51 is joined to the rear end 71 b of the front pillar inner 71.
- the inner end 61 a of the outer front pillar 61 of the low strength steel plate of the inner frame 26 is joined to the front wall 51 c of the inner front pillar 51.
- a rear edge 28 a of the front fender 28 is joined to the outer end 61 b of the outer front pillar portion 61. That is, the rear edge 28a of the front fender 28 that covers the front side of the vehicle body is joined to the outer frame 27 (outer front pillar portion 61) of the side outer panel 21.
- the center pillar 18 is closed on the center pillar side that bears the rigidity and collision performance of the vehicle body by the center pillar outer 42 of the high strength steel plate of the inner frame 26 and the center pillar inner 72 of the side inner panel 22.
- a cross section 92 (see also FIG. 11) is formed.
- the center pillar side closed cross section 92 is continuous with the second roof closed cross section 94B formed by the outer roof side rail portion 64 of the low strength steel plate of the inner frame 26 and the inner roof side rail portion 54 of the high strength steel plate of the inner frame 26.
- the upper end 72 a of the center pillar inner 72 is joined to the lower bent portion 74 b of the roof side rail inner 74.
- the rear pillar 19 includes a rear pillar outer 43, a rear pillar inner 73, and a stiffener 88 provided between the rear pillar outer 43 and the rear pillar inner 73.
- the inner rear pillar portion 53 of the inner frame 26, the outer rear pillar portion 63 of the outer frame 27, and the end portions 53 a, 63 a, 88 a of the stiffener (rear damper reinforcing member) 88 are joined so as to be hidden by the rear door 38.
- the appearance behind the door opening 36 (FIG. 1) is formed by the outer rear pillar portion 63 of the outer frame 27.
- the opening side end portion 53b of the inner rear pillar portion 53 of the high strength steel plate of the inner frame 26 and the opening side end portion 73b of the rear pillar inner 73 are joined to form a closed cross section for the rear pillar 19 that bears vehicle body rigidity and collision performance.
- a rear fender 29 (FIG. 1) that forms the side portion of the trunk room 14 (FIG. 1) is provided behind the vehicle body of the rear pillar 19.
- a rear wheel house extension 86 is joined to the rear pillar outer 43 to form a closed section having vehicle body rigidity and collision performance.
- the door opening side end portion 86 a of the rear wheel house extension 86 is joined to the door opening side end portion 53 b of the inner rear pillar portion 53 and the door opening side end portion 73 b of the rear pillar inner 73.
- the wheel house side end portion 86 b of the rear wheel house extension 86 is joined to the wheel house side end portion 63 b of the outer rear pillar portion 63.
- a wheel house inner (wheel house) 89 is joined to the rear pillar inner 73.
- a receiving surface 84 that receives input from the door beam 83 of the rear door 38 is formed on the inner rear pillar portion 53 of the high-strength steel plate of the inner frame 26 of the side outer panel 21.
- the rear door 38 is provided on the door panel outer 81 constituting the appearance of the vehicle body 11, the door panel inner 82 provided on the vehicle compartment 12 side of the door panel outer 81, and the door panel inner 82. And a door beam 83 that opposes a load from the side of the vehicle body.
- the door beam 83 is a member press-molded with sheet metal.
- the end portion 82 a of the door panel inner 82 and the rear end 83 a of the door beam 83 are integrally fixed to the end portion 81 a of the door panel outer 81.
- the front door 37 (FIG. 1) has substantially the same configuration as the rear door 38.
- the side sill 25 includes a side sill outer 45 and a side sill inner 75, and forms a closed cross section. That is, the first side sill side closed section 95 ⁇ / b> A is formed by the inner side sill portion 55 and the side sill inner 75 of the inner frame 26. The inner side sill portion 55 and the outer side sill portion 65 form a second side sill side closed section 95B. As shown in FIG. 9, the outer side sill portion 65 of the outer frame 27 forms an appearance below the door openings 35 and 36 (FIG. 1).
- the rear end 55 b of the inner side sill portion 55 is joined to the rear wheel house extension 86, and the rear end 65 b of the outer side sill portion 65 is the wheel of the rear wheel house extension 86.
- the inner end 87 a of the side sill inner end 87 is joined to the rear wheel house extension 86, and the rear end 75 b of the side sill inner 75 is joined to the outer end 87 b of the side sill inner end 87.
- the front end 75 a of the side sill inner 75 is joined to the inner side in the vehicle width direction of the side end portion 15 a of the dashboard lower 15.
- the front end 55 a of the inner side sill portion 55 and the front end 65 a of the outer side sill portion 65 are joined to the side end portion 15 a of the dashboard lower 15.
- the upper end 65c and the lower end 65d of the outer side sill portion 65 are joined to the side surface 55c and the lower surface 55d of the inner side sill portion 55, respectively. Since the joint between the upper end 65c of the outer side sill portion 65 and the side surface 55c of the inner side sill portion 55 is hidden behind the door, it does not hinder the appearance.
- the floor panel 16 is joined to the side inner panel 22 on the vehicle compartment 12 side.
- the inner frame 26 is formed of a single steel plate at the intersection 47 where the center pillar outer 42 of the inner frame 26 and the inner side sill portion 55 of the inner frame 26 intersect.
- An opening 48 (FIG. 14) is formed.
- a lid member (patch) 49 that closes the opening 48 is welded from the inside of the inner side sill portion 55 to close the opening 48.
- the lid member 49 is set in the opening 48 from below the inner frame 26 as shown by the arrow c1, the inner flange 49a of the lid member 49 is joined to the side sill inner 75, and the outer flange 49b of the lid member 49 is joined. Is joined to the inner surface 55 e of the inner side sill portion 55 to close the opening 48. That is, the lid member 49 is also configured to form a first side sill side closed section 95A (FIG. 12), which will be described later.
- the vehicle side panel structure 220 of the comparative example is provided with a side outer panel 221 on the vehicle exterior side and a side inner panel 222 on the vehicle interior 12 side.
- the side outer panel 221 includes an upper frame part 223 in which the upper part of the side outer panel 221 is integrally formed, a lower frame part 224 in which the lower part of the side outer panel 221 is integrally formed, and an upper frame part 223. And a center pillar outer 225 whose upper end is joined to the lower frame portion 224.
- the front pillar outer upper portion 231 of the upper frame portion 223 and the front pillar outer lower portion 241 of the lower frame portion 224 are joined, the rear pillar outer 233 of the upper frame portion 223 and the side sill outer 242 of the lower frame portion 224 are joined, and the roof side A side pillar panel 221 is formed by joining the center pillar outer 225 between the outer 232 and the side sill outer 242.
- the upper frame portion 223 includes a front pillar outer upper portion 231, a roof side outer 232, a rear pillar outer 233, and a rear fender 234.
- the upper frame portion 223 is integrally formed of a normal steel plate (270 MPa class steel plate).
- the lower frame portion 224 is integrally formed with the front pillar outer lower portion 241 and the side sill outer 242.
- the lower frame part 224 is integrally formed of a high-strength steel plate (980 MPa class steel plate).
- the center pillar outer 225 is integrally formed of a high-strength steel plate (1500 MPa class steel plate).
- the upper frame portion 223, the lower frame portion 224, and the center pillar outer 225 are joined, and joints D1 to D6 of these components are generated.
- the joints D1 to D6 need to be coated with a sealer in order to prevent rainwater from entering, but since this sealer coating operation is performed manually, it is difficult to work and is not preferable in terms of appearance.
- the roof side outer 232 of the upper frame portion 223 is a plain steel plate, a reinforcing member 236 is necessary for improving the strength.
- the side outer panel 21 is formed of an inner frame 26 formed of a high-strength steel plate having a high tensile strength and a material that is easy to form an outer appearance on the outer peripheral portion 26a of the inner frame 26. Therefore, even if a high strength steel plate having strength and rigidity is used for the side outer panel 21, the inner frame 26 can be formed of a single steel plate. Thereby, since there is no joint (seal line), it is not necessary to apply a sealer for preventing rainwater from entering.
- the strength of each of the front pillar 17, the center pillar 18, and the rear pillar 19 is changed by changing the hot stamping conditions of the inner frame 26 (FIG. 2) and the high-tensile material for each part. 17, the center pillar 18 and the rear pillar 19 have different tensile strengths.
- the side outer panel 21 is closed by the inner frame 26 and the side inner panel 22 formed of a high strength steel plate having high tensile strength, and the closed cross-sections 91, 92, 94A, 94B, 95A of the vehicle body side walls around the door openings 35, 36, 95B (FIGS. 3 to 12) is configured so that the reinforcing member attached to the roof rail outer can be eliminated, the weight is reduced, and the inner frame 26 of the side outer panel 21 of the high-strength steel plate is joined.
- the side walls of the closed sections 91, 92, 94A, 94B, 95A and 95B around the door openings 35 and 36 formed by the inner frame and the side inner panel Improves rigidity and impact performance.
- the door beam 83 is made of a high strength steel plate having high tensile strength. It can be directly received by the formed inner frame 26.
- the side sill 226 of the vehicle side panel 220 includes a side sill outer 242 and a side sill inner 243.
- the side sill 226 is a skeleton member that protects the lower end side of the vehicle body from the outside of the vehicle width.
- the outer shape of the vehicle body cannot be formed only by the side sill outer 242, so that a separate side sill garnish 246 must be configured as the side outer panel 221.
- the side sill 25 has a closed section (first side sill side closed section) 95A formed by the inner frame 26 and the side inner panel 22. Since the outer appearance of the door openings 35 and 36 is improved by the outer frame 27, a separate side sill garnish is not required.
- a separate enclosure 247 is provided and closed in the space between the front pillar 227 and the front fender 228 of the side panel structure 220 according to the comparative example.
- the front fender 28 that covers the side of the front of the vehicle body on the outer frame 27 (outer front pillar portion 61) of the side outer panel 21.
- the rear edge 28a is fixed. Therefore, the outer frame 27 can serve as a substitute for the enclosure 247 that covers the space between the front pillar 227 and the front fender 228 of the vehicle side panel structure 220 of the comparative example.
- the side panel structure 20 includes a side outer panel 21 provided on the vehicle outer side and a side inner panel 22 provided on the vehicle interior 12 side, and an inner frame of the side outer panel 21. 26 and the side inner panel 22 form a closed section structure around the door openings 35 and 36.
- the side outer panel 21 includes an inner frame 26 formed of a high-strength steel plate having a high tensile strength, and an outer frame 27 formed on the outer peripheral portion 26a of the inner frame 26 and formed of a material that is easy to form an appearance. Therefore, even if a high-strength steel plate having strength and rigidity is used for the side outer panel 21, the inner frame 26 can be formed of a single steel plate. As a result, the inner frame 26 of the side outer panel 21 made of high-strength steel plate has no joints and goes around the door openings 35 and 36, so that the periphery of the door openings 35 and 36 formed by the inner frame and the side inner panel.
- the vehicle body side walls of the closed cross-sections 91, 92, 94A, 94B, 95A, and 95B improve the vehicle body rigidity and the collision performance. Furthermore, since there is no joint (seal line) in the inner frame, it is not necessary to apply a sealer to prevent rainwater. As a result, the sealer application work can be eliminated and the appearance of the vehicle body can be improved.
- the inner frame 26 may be made of high-tensile material in addition to hot stamping. If it is made of high-tensile material, it can be manufactured at a low cost, and since it is used for a portion having no sharp shape that is not a design surface hidden in the outer frame or the door, a high-strength steel plate (high-tensile material) of 1000 MPa or more can be used. The vehicle body rigidity and the collision performance can also be improved.
- the inner frame 26 is formed of a high-strength steel plate having a high tensile strength, it is possible to eliminate a reinforcing member that was conventionally necessary for a closed cross-section structure around the door openings 35 and 36. As a result, weight reduction of the vehicle body 11 can be promoted.
- the outer frame 27 of the outer peripheral portion 26a of the inner frame 26 was formed of a low strength steel plate having a low tensile strength. Since the low-strength steel plate has high ductility and can be easily formed, the ridgeline of the roof side rail 24 of the side outer panel 21 facing the outer edges of the door openings 35 and 36 can be sharpened. As a result, the appearance of the vehicle body 11 can be improved. Since the outer frame 27 forms an appearance that basically does not apply a vehicle body load, an aluminum alloy plate or a resin plate can be used instead of the low-strength steel plate having a low tensile strength.
- the side sill 25 as a structure has a closed cross section (first side sill side closed cross section) 95 ⁇ / b> A due to the inner frame 26 and the side inner panel 22. Since the outer frame 27 improves the decorativeness of the appearance below the door openings 35 and 36, a separate side sill garnish is not required. Thereby, it is sufficient to adopt a side sill garnish such as a side spoiler only for a vehicle type that requires a side sill garnish in design, and the cost of the vehicle body 11 of the base vehicle type can be reduced.
- the inner frame 26 is formed of a high-strength steel plate using hot stamping, and each of the front pillar 17, the center pillar 18, or the rear pillar 19.
- the strength varies the tensile strength of the front pillar 17, the center pillar 18 and the rear pillar 19 by changing the hot stamping conditions of the inner frame 26. It is possible to give a difference in tensile strength between the front pillar 17, the center pillar 18, and the rear pillar 19 by using a known different strength hot stamping technique, which is suitable for the front pillar 17, the center pillar 18, and the rear pillar 19. Strength can be added. In addition, high tensile materials and tailored blank materials can be applied.
- the rear edge 28 a covering the front side of the vehicle body is fixed to the outer frame 27 of the side outer panel 21.
- the outer frame 27 can serve as a substitute for the enclosure 247 that is a separate part that covers the space between the front fender 228 and the front fender 228.
- the enclosure 247 can be eliminated, it is possible to achieve both reduction in the cost of the vehicle body 11 and weight reduction of the vehicle body 11.
- the inner frame 26 of the side outer panel 21 is formed with a receiving surface 84 of a high-strength steel plate that receives input from the door beam 83 of the vehicle door 38.
- the door beam 83 that is provided on the vehicle door 38 that covers the door opening 36 and increases the rigidity and strength of the vehicle door 38 can be directly received by the inner frame 26 formed of a high-strength steel plate having high tensile strength. .
- the rigidity of the side part of the vehicle body 11 can be improved.
- the vehicle side panel structure according to the present invention has an input from the door beam 83 of the vehicle door (rear door) 38 to the inner frame 26 (inner rear pillar portion 53) of the side outer panel 21.
- the present invention is not limited to this, and a receiving surface for receiving input from the door beam of the vehicle door (front door) is formed on the center pillar outer 42 formed of a high-strength steel plate. It may be a thing.
- the material of the outer frame 27, whose appearance design is important, can be applied to aluminum alloy plates and resin plates in addition to low-strength steel plates. Since the outer frame 27 is a design component and does not support a load, it is possible to further reduce the weight and improve the appearance by a sharp shape and paintability. In these cases, the inner frame 26 and the side inner panel 22 are bonded by bonding an aluminum alloy plate to a high-strength steel plate or by blazing welding or bonding a resin plate and a high-strength steel plate.
- the vehicle side panel according to the present invention is suitable for use in passenger cars such as sedans and wagons.
Abstract
Description
Claims (11)
- 車外側に設けられるサイドアウタパネルと、車内側に設けられるサイドインナパネルとを備え、前記サイドアウタパネルとサイドインナパネルとによりドア開口周囲に閉断面の構造体が形成される車両用サイドパネル構造であって、
前記サイドアウタパネルは、引張強度の高い高強度鋼板で形成された内枠と、前記内枠の外周部に設けられ、前記車体の外観を形成する外枠と、からなることを特徴とする車両用サイドパネル構造。 - 前記閉断面を形成する構造体は、ルーフサイドレールを含み、前記ルーフサイドレールは、前記内枠及び前記外枠でもって閉断面形状が形成されている、請求項1に記載のサイドパネル構造。
- 前記閉断面を形成する構造体は、サイドシルを含み、前記サイドシルは、前記内枠及び外枠でもって形成された閉断面が形成されている、請求項1に記載のサイドパネル構造。
- 前記閉断面を形成する構造体は、フロントピラーを含み、前記フロントピラーは、前記サイドインナパネルのフロントピラーインナと前記内枠とで形成された閉断面を有し、前記外枠は、フロントフェンダが結合されている、請求項1に記載のサイドパネル構造。
- 前記閉断面を形成する構造体は、リヤピラーを含み、前記リヤピラーは、接合された前記内枠及び前記外枠と、リヤホイールハウスエクステンションとでもって形成された閉断面を有する、請求項1に記載のサイドパネル構造。
- 前記内枠は、ハイ・テンシル・ストレングス・スチール材及びホットスタンプ品のうちいずれかである、請求項1に記載のサイドパネル構造。
- 前記外枠は、低強度鋼板、アルミ合金板および樹脂板のいずれかである、請求項1に記載のサイドパネル構造。
- 前記閉断面を形成する構造体は、サイドシルを含み、前記サイドシルは、前記内枠と前記サイドインナパネルとにより形成された閉断面を有し、前記外枠により前記ドア開口下方の外観面が形成される、請求項1に記載のサイドパネル構造。
- 前記内枠は、前記高強度鋼板がホットスタンプ成形を用いて形成され、前記閉断面を形成する構造体は、フロントピラー、センタピラーおよびリヤピラーを含み、前記フロントピラー、前記センタピラーおよび前記リヤピラーの各強度は、前記内枠のホットスタンプ成形条件を変化させるか、強度の異なる複数のハイ・テンシル・ストレングス・スチール材を接合して、前記フロントピラー、前記センタピラーおよび前記リヤピラーの引張強度に差を持たせている、請求項1に記載のサイドパネル構造。
- 前記サイドアウタパネルの前記外枠は、車体前部側方を覆うフロントフェンダの後縁に接合されている、請求項1に載のサイドパネル構造。
- 前記サイドアウタパネルの内枠は、車両用ドアのドアビームからの入力を受ける受け面が形成されている、請求項1に記載のサイドパネル構造。
Priority Applications (4)
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CN201280053292.4A CN103906674A (zh) | 2011-11-24 | 2012-10-01 | 车辆用侧板构造 |
EP12852106.9A EP2783949A4 (en) | 2011-11-24 | 2012-10-01 | SIDE PANEL STRUCTURE FOR VEHICLE |
JP2013545833A JP5764667B2 (ja) | 2011-11-24 | 2012-10-01 | 車両用サイドパネル構造 |
US14/359,135 US9452786B2 (en) | 2011-11-24 | 2012-10-01 | Side panel structure for vehicle |
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JP2011-256400 | 2011-11-24 | ||
JP2011256400 | 2011-11-24 |
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PCT/JP2012/075321 WO2013077083A1 (ja) | 2011-11-24 | 2012-10-01 | 車両用サイドパネル構造 |
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US (1) | US9452786B2 (ja) |
EP (1) | EP2783949A4 (ja) |
JP (1) | JP5764667B2 (ja) |
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Also Published As
Publication number | Publication date |
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US20140319877A1 (en) | 2014-10-30 |
EP2783949A4 (en) | 2015-07-22 |
JPWO2013077083A1 (ja) | 2015-04-27 |
US9452786B2 (en) | 2016-09-27 |
EP2783949A1 (en) | 2014-10-01 |
CN103906674A (zh) | 2014-07-02 |
JP5764667B2 (ja) | 2015-08-19 |
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