CN114450213B - Floor structure of vehicle - Google Patents

Floor structure of vehicle Download PDF

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Publication number
CN114450213B
CN114450213B CN202080067838.6A CN202080067838A CN114450213B CN 114450213 B CN114450213 B CN 114450213B CN 202080067838 A CN202080067838 A CN 202080067838A CN 114450213 B CN114450213 B CN 114450213B
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China
Prior art keywords
floor
passage
portions
bottom plate
plate portion
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CN202080067838.6A
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Chinese (zh)
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CN114450213A (en
Inventor
后藤辽
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Isuzu Motors Ltd
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Isuzu Motors Ltd
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Publication of CN114450213A publication Critical patent/CN114450213A/en
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Publication of CN114450213B publication Critical patent/CN114450213B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • B62D25/2054Load carrying floors for commercial vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/24Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D33/00Superstructures for load-carrying vehicles
    • B62D33/06Drivers' cabs

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The floor panel (10) comprises: a floor front (12) extending rearward from a front end lower portion of the vehicle cabin; left and right kick portions (13) disposed on left and right sides of the rear of the floor front (12) and extending rearward and upward from the rear of the floor front (12); a left and right floor rear portion (14) extending rearward from the upper portions of the left and right kick portions (13); a passage bottom plate portion (15) extending rearward from a central region of the rear portion of the floor front portion (12) in the vehicle width direction; and left and right passage side plate portions (16) which stand up along left and right end edge portions of the passage bottom plate portion (15). The passage floor reinforcement members (57, 58, 59) extend along the lower surface of the passage floor portion (15) over the entire area of the passage floor portion (15) in the vehicle width direction, and are fixed to the passage floor portion (15) to reinforce the passage floor portion (15).

Description

Floor structure of vehicle
Technical Field
The present disclosure relates to a floor structure of a vehicle.
Background
Patent document 1 describes a motor home. The motor home is a so-called flathead type vehicle in which an engine is mounted below a cab in front of a vehicle body. In this motor home, an opening is formed in a rear surface of the cab over substantially an entire area thereof, and an opening is formed in a front surface of the cargo room over substantially an entire area thereof. In this way, in the motor home, the rider can freely move from the cab to the cargo compartment or from the cargo compartment to the cab.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open No. 7-61375
Disclosure of Invention
Technical problem to be solved by the invention
However, in a flat-head type vehicle as described in patent document 1, there are cases where: the floor panel of the cab is provided with a kick portion, and a floor rear portion rearward of the kick portion is located above a floor front portion forward of the kick portion, and a seat on which a passenger sits is provided at the floor rear portion. In this case, the passenger sits on the seat with his/her feet on the front portion of the floor, and moves from the front portion of the floor across the kick-up portion and toward the rear portion of the floor to the opening when moving from the cab (cabin) to the cargo compartment. As described above, when the passenger moves from the front of the vehicle cabin to the rear of the vehicle cabin, the passenger needs to move from the front of the floor to the rear of the floor above across the kick-up portion, and thus the rearward movement may become complicated. In addition, if a passage for passing passengers is provided in the floor panel in order to facilitate rearward movement in the vehicle cabin, it is necessary to secure strength of the floor panel with respect to a load input from the passenger side when the passage passes.
An object of the present disclosure is to provide a floor structure of a vehicle capable of easily performing forward and backward movement in a vehicle cabin and ensuring strength of a floor panel.
Technical means for solving the technical problems
The floor structure of the vehicle of the first aspect of the present disclosure includes a floor panel and a passage reinforcing member. The floor panel has: a floor front extending rearward from a front end lower portion of the vehicle cabin; left and right upper bent portions extending upward from the rear portion of the floor front portion in a state of being separated from each other left and right; a left and right floor rear portion disposed rearward and upward of the floor front portion and extending rearward from an upper portion of the left and right kick portion in a state of being separated from each other left and right; a passage bottom plate portion disposed at a height lower than the left and right floor rear portions, and extending rearward from the rear portion of the floor front portion between the left and right kick portions and between the left and right floor rear portions; and right and left passage side plate portions standing up along right and left end edge portions of the passage bottom plate portion, closing the right and left kick portions and between right and left floor rear portions and the passage bottom plate portion, the floor panel defining a lower side of the vehicle cabin. The passage reinforcing member extends along the lower surface of the passage bottom plate portion of the floor panel over the entire area of the passage bottom plate portion in the vehicle width direction, and is fixed to the lower surface of the passage bottom plate portion to reinforce the passage bottom plate portion.
In the above configuration, the passage bottom plate portion of the floor panel is disposed at a height lower than the left and right floor rear portions, and extends rearward from the rear portion of the floor front portion between the left and right kick-up portions and between the left and right floor rear portions, so that passengers in the vehicle cabin can pass through the passage bottom plate portion between the left and right floor rear portions from the floor front portion and move rearward in the vehicle cabin. Therefore, when the passenger moves from the floor front to the rear of the vehicle cabin, the passenger can easily move back and forth in the vehicle cabin because the passenger does not need to move from the floor front to the floor rear across the kick portion.
Further, the passage reinforcing member extends along the lower surface of the passage bottom plate portion of the floor panel over the entire area of the passage bottom plate portion in the vehicle width direction, and is fixed to the lower surface of the passage bottom plate portion to reinforce the passage bottom plate portion, so that the strength of the floor panel against the load input from the passenger side when moving forward and backward in the vehicle cabin can be ensured by the passage reinforcing member.
Therefore, the forward and backward movement in the vehicle cabin can be easily performed, and the strength of the floor panel can be ensured.
A second aspect of the present disclosure is the floor structure of the vehicle of the first aspect, wherein the passage reinforcing member forms a closed cross section extending in the vehicle width direction between the passage reinforcing member and the passage bottom plate portion of the floor panel.
In the above configuration, the passage reinforcing member forms a closed cross section extending in the vehicle width direction between the passage reinforcing member and the passage bottom plate portion of the floor panel, so that the strength of the floor panel against the load input from the passenger side when moving forward and backward in the vehicle cabin can be ensured by the passage reinforcing member.
A third aspect of the present disclosure is the floor structure of the vehicle of the first aspect or the second aspect described above, including the other path reinforcing member and the cover member. The other path reinforcing member is disposed at a position separated from one side in the front-rear direction from the path reinforcing member, extends along the lower surface of the path floor portion of the floor panel over the entire area of the path floor portion in the vehicle width direction, and is fixed to the lower surface of the path floor portion to reinforce the path floor portion. An opening is formed in an area between the passage reinforcing member and the other passage reinforcing member in the passage bottom plate portion of the floor panel. The cover member is mounted to an upper surface of the passage bottom plate portion of the floor panel. The cover member extends in the front-rear direction from at least the upper side of the passage reinforcing member to the upper side of the other passage reinforcing member, and closes the opening.
In the above configuration, since the opening is formed in the region between the passage reinforcing member and the other passage reinforcing member in the passage bottom plate portion of the floor panel, the opening can be used as an inspection port for a device or the like disposed below the floor panel.
Further, since the lid member closing the opening is attached to the upper surface of the passage bottom plate portion of the floor panel, and extends in the front-rear direction from at least the upper side of the passage reinforcing member to the upper side of the other passage reinforcing member, the load when the passenger steps on the lid member during the front-rear movement in the vehicle compartment can be received by the passage bottom plate portion of the floor panel, the passage reinforcing member, and the other passage reinforcing member. In this way, since the lid member closing the opening can be supported from below not only by the passage bottom plate portion of the floor panel but also by the passage reinforcing members and other passage reinforcing members disposed on the front and rear sides of the opening, even if the opening is provided in the passage bottom plate portion, the strength of the floor panel against the load input from the passenger side at the time of the forward and backward movement in the vehicle cabin can be ensured.
A fourth aspect of the present disclosure is the floor structure of the vehicle according to the third aspect, wherein a plurality of cover reinforcing portions extending in the front-rear direction are provided in a region of the cover member exposed downward from the opening.
In the above configuration, since the plurality of cover reinforcing portions extending in the front-rear direction are provided in the region of the cover member exposed downward from the opening, the rigidity of the region of the cover member exposed downward from the opening can be ensured by the plurality of cover reinforcing portions.
Further, since the plurality of cover reinforcing portions extend in the front-rear direction, the load when the passenger steps on the cover member during the front-rear movement in the vehicle compartment can be transmitted to the passage reinforcing member and the other passage reinforcing member side via the plurality of cover reinforcing portions. Therefore, the strength of the cover member with respect to the load input from the passenger side when moving back and forth in the vehicle cabin can be ensured.
A fifth aspect of the present disclosure is the floor structure of the vehicle according to the first or second aspect, wherein the passage bottom plate portion, the left and right passage side plate portions, and the passage reinforcing member of the floor panel are formed separately from the floor front portion, the left and right kick-up portions, and the left and right floor rear portions of the floor panel, and are fixed to the floor front portion, the left and right kick-up portions, and the left and right floor rear portions in a unitized state as one component.
In the above-described configuration, the passage bottom plate portion and the left and right passage side plate portions in the floor panel are formed independently of the floor front portion, the left and right kick-up portions, and the left and right floor rear portions, and therefore, unlike the case where the floor panel is integrally formed using a complicated-shaped mold or the like, the floor panel can be manufactured at low cost. For example, the floor front portion, the left and right kick portions, and the left and right floor rear portions can be manufactured at low cost by performing the notch processing on the kick portion of a general vehicle floor panel (floor panel having a floor front portion, a kick portion, and a floor rear portion) and the vehicle width direction center portion of the floor rear portion, which do not require the passage bottom plate portion and the left and right passage side plate portions.
In addition, the passage bottom plate portion, the left and right passage side plate portions, and the passage reinforcing member of the floor panel are fixed to the floor front portion, the left and right kick-up portions, and the left and right floor rear portions in a unitized state as one unit, so that the assembly work can be simplified.
Effects of the invention
According to the floor structure of the present disclosure, the forward and backward movement in the vehicle cabin can be easily performed, and the strength of the floor panel can be ensured.
Drawings
Fig. 1 is a side view of a cab of a vehicle according to an embodiment of the present disclosure.
Fig. 2 is a perspective view of the cab of fig. 1 viewed from the rear.
Fig. 3 is an exploded view of the cab.
Fig. 4 is a perspective view of a floor panel.
Fig. 5 is a top view of the floor panel.
Fig. 6 is a bottom view of the floor panel.
Fig. 7 is a cross-sectional view taken from VII-VII of fig. 6.
Fig. 8 is a cross-sectional view from VIII-VIII of fig. 5.
Fig. 9 is an assembly explanatory view of the floor panel.
Detailed Description
An embodiment of the present disclosure is described below based on the drawings. IN each drawing, FR represents the front of the vehicle, UP represents the upper side, and IN represents the vehicle width direction inner side. In the following description, the front-rear direction refers to the front-rear direction of the vehicle, and the left-right direction refers to the left-right direction in a state of being directed toward the front of the vehicle.
As shown in fig. 1, a vehicle 1 according to the present embodiment is an electric vehicle having an electric motor as a power source, and is a flat-head vehicle 1 in which a cab 2 is disposed above the power source. The cab 2 is mounted above the front portion of the body frame 3. Left and right front wheels 11 are disposed on left and right sides below the cab 2 (only the left front wheel 11 is shown in fig. 1). A rack mount (cargo box 4 in the present embodiment) is mounted behind the cab 2. An opening (not shown) through which the cargo compartment in the cargo box 4 can be accessed is formed in the front surface 4a of the cargo box 4. The power source of the vehicle 1 is not limited to the electric motor, and may be an engine.
As shown in fig. 2, an opening, which is an entrance 9 to the cabin 5, is formed in the rear surface 2a of the cab 2. The doorway 9 of the rear face 2a of the cab 2 communicates with the opening of the front face 4a of the cargo box 4, and by this communication, direct movement from the cabin 5 to the cargo box 4 (or from the cargo box 4 to the cabin 5) is allowed.
As shown in fig. 1 to 3, the cab 2 is a cab 2 having a roof panel 6 of a high roof type in which a cabin 5 is enlarged upward, and a plurality of panels are joined to each other to form a box shape, thereby defining the cabin 5 inside. The lower side of the cabin 5 is defined by a floor panel 10 described later. The front of the cabin 5 is defined by a front panel 49 standing up along the front end portion 10a of the floor panel 10 and intersecting the front-rear direction. The side of the cabin 5 is defined by left and right side panels 7 standing up along left and right side ends 10b of the floor panel 10 and intersecting the vehicle width direction and side panel portions of the roof panel 6. The rear of the vehicle cabin 5 is defined by a rear panel 8 standing up along the rear end portion 10c of the floor panel 10 and intersecting the front-rear direction and a rear panel portion of the roof panel 6. In the present embodiment, since the doorway 9 of the rear face 2a of the cab 2 extends from the rear end portion 10c of the floor panel 10 to the roof panel 6 side above the rear panel 8, the rear panel 8 is constituted by 2 rear panels 8a, 8b divided into left and right 2 by the doorway 9.
As shown in fig. 4 and 5, the floor panel 10 includes: a floor front 12 extending rearward from a front end lower portion of the vehicle cabin 5 (a front end portion 10a of the floor panel 10); left and right kick portions 13 disposed on left and right sides of the rear of the floor front 12, and extending rearward and upward from the rear of the floor front 12 (in the present embodiment, the rear end edge 19); a left and right floor rear portion 14 extending rearward from an upper portion (upper end edge 20 in the present embodiment) of the left and right kick portion 13; a passage bottom plate portion 15 extending rearward from a central region of the rear portion of the floor front portion 12 in the vehicle width direction; and right and left passage side plate portions 16 standing up along right and left end edge portions 15a of the passage bottom plate portion 15.
The floor front 12 is disposed forward of the front wheels 11 (see fig. 1) of the vehicle 1, and extends over the entire left and right areas of the floor panel 10. In the present embodiment, a notch 18 (see fig. 9) is formed in the center of the floor front 12 on the rear end edge 19 side in the vehicle width direction, and is cut from the front to the rear.
The left and right kick portions 13 are disposed above and forward of the left and right front wheels 11 (see fig. 1) and are separated from each other to extend rearward and upward from rear end edges 19 on both left and right sides of the floor front portion 12. The inner edges 13a (see fig. 9) of the left and right kick-up portions 13 in the vehicle width direction extend continuously rearward and upward from the notch 18 of the floor front 12.
The left and right floor rear portions 14 are disposed above the left and right front wheels 11 (see fig. 1) and are separated from each other left and right, and extend rearward from the upper end edges 20 of the left and right kick portions 13. The left and right floor rear portions 14 are located rearward and upward of the floor front portion 12, and are disposed at substantially the same height position as each other. The inner edges 14a (see fig. 9) of the left and right floor rear portions 14 in the vehicle width direction extend continuously rearward from the inner edges 13a of the left and right kick-up portions 13. A left and right support member 29 is fixed to rear end portions of the vehicle width direction outer end portions of the left and right floor rear portions 14, and the left and right support members 29 support rear lower end portions of the left and right side panels 7 connected to the floor panel 10. The left and right support members 29 are fixed to the left and right floor rear portions 14 in a state where the outer ends of the left and right floor rear portions 14 in the vehicle width direction stand up. Left and right seats 17a, 17b (indicated by two-dot chain lines 17a, 17b in fig. 5) for seating passengers are disposed above the left and right floor rear portions 14, respectively.
The passage floor portion 15 forms a floor surface of a passage extending in the front-rear direction at the center in the vehicle width direction of the vehicle cabin 5 (between the left and right seats 17a, 17 b). The passage bottom plate portion 15 is disposed at a height position below the left and right floor rear portions 14 (in the present embodiment, at substantially the same height position as the floor front portion 12), passes between the left and right kick portions 13 and between the left and right floor rear portions 14 from the rear portion of the floor front portion 12 in the vehicle width direction center, and extends to the rear end portion 10c of the floor panel 10. The rear end edge portion 15b of the passage floor portion 15 defines a lower portion of the doorway 9 (see fig. 2) of the rear surface 2 of the cab 2. An inspection port (opening) 54 for performing maintenance inspection of a device (for example, a power source or the like) located below the floor panel 10 is provided in a region of the passage floor portion 15 on the left side of the vehicle width direction center. A cover (cover member) 55 for closing the inspection port 54 is attached to the passage bottom plate portion 15 in a state of being placed from above.
The right and left passage side plate portions 16 close the inner end edges 13a of the right and left kick portions 13 and between the inner end edges 14a of the right and left floor rear portions 14 and the right and left end edge portions 15a of the passage bottom plate portion 15. The left and right passage side plate portions 16 extend from the inner end edges 13a side of the left and right upper bent portions 13 in front to the rear end portion 10c of the floor panel 10 in a state of rising along the left and right end edges 15a of the passage bottom plate portion 15. Rear end edges 16a of the left and right passage side plate portions 16 define both sides in the vehicle width direction of the lower end portion of the doorway 9 (see fig. 2) of the rear face 2a of the cab 2.
As shown in fig. 6, a pair of right and left lower frames 33 are fixed to the lower surfaces of the floor front 12, the right and left upper bent portions 13, and the right and left floor rear 14 in the lower surface 10d of the floor panel 10. The left and right lower frames 33 are formed in a hat-shaped cross section that opens upward, extend in the front-rear direction along the lower surface 10d of the floor panel 10 from the front end 10a side to the rear end 10c of the floor panel 10, and define a closed cross section with the lower surface 10d of the floor panel 10. The left and right lower frames 33 each have: a frame front 34 fixed to a lower surface of the floor front 12; a frame kick portion 35 extending upward rearward continuously from a rear end of the frame front portion 34 and fixed to a rear surface of the kick portion 13; and a frame rear portion 36 extending rearward continuously from a rear end of the frame kick portion 35 and fixed to a lower surface of the floor rear portion 14. The left and right frame bent-up portions 35 and the left and right frame rear portions 36 are disposed further outward in the vehicle width direction than the passage bottom plate portion 15 and the left and right passage side plate portions 16. The left and right frame rear portions 36 are disposed at positions separated from the inner edges 14a of the floor rear portion 14 in the vehicle width direction to the outside in the vehicle width direction.
A passage floor reinforcing member 56 extending in the vehicle width direction between the left and right lower frames 33 is fixed to the lower surface of the rear end portion of the floor front portion 12 in the lower surface 10d of the floor panel 10. The passage floor reinforcing member 56 is formed in a hat-shaped cross section that is open upward, and a closed cross section that extends in the vehicle width direction is formed between the passage floor reinforcing member and the lower surface of the floor front 12, thereby reinforcing the floor front 12. The right and left ends of the passage floor reinforcing member 56 are fixed to the right and left lower frames 33.
A plurality of (5 in the present embodiment) passage floor reinforcing members 57 to 61 are fixed to the lower surface of the passage floor portion 15 in the lower surface 10d of the floor panel 10.
The first passage floor reinforcement member (passage reinforcement member or other passage reinforcement member) 57 of the plurality of passage floor reinforcement members 57 to 61 is formed in a hat-shaped cross section that opens upward, extends in the vehicle width direction along the lower surface of the rear end portion 15b of the passage floor portion 15, and is fixed to the passage floor portion 15. The first floor reinforcement member 57 extends over the entire area of the floor portion 15 in the vehicle width direction, and forms a closed cross section extending in the vehicle width direction with the lower surface of the floor portion 15, thereby reinforcing the floor portion 15. The first access floor reinforcing member 57 is disposed in the vicinity of the rear of the inspection port 54 of the access floor section 15. The right and left end portions of the first passage floor reinforcement member 57 protrude to the right and left sides of the passage floor portion 15.
The second passage floor reinforcing member (other passage reinforcing member or passage reinforcing member) 58 of the plurality of passage floor reinforcing members 57 to 61 is formed in a hat-shaped cross section (see fig. 7) that opens upward, is disposed in the vicinity of the front of the inspection opening 54 of the passage floor portion 15, extends in the vehicle width direction along the lower surface of the passage floor portion 15, and is fixed to the passage floor portion 15. That is, the inspection port 54 of the passage bottom plate portion 15 is formed in the passage bottom plate portion 15 in a region between the first passage bottom plate reinforcing member 57 and the second passage bottom plate reinforcing member 58. The second passage floor reinforcement member 58 extends over the entire area of the passage floor portion 15 in the vehicle width direction, and forms a closed cross section extending in the vehicle width direction with the lower surface of the passage floor portion 15, thereby reinforcing the passage floor portion 15.
The third passage floor reinforcement member (passage reinforcement member) 59 of the plurality of passage floor reinforcement members 57 to 61 is formed in a hat-shaped cross section that opens upward, is disposed at a position that is separated forward from the second passage floor reinforcement member 58 and is separated rearward from the passage floor reinforcement member 56, extends in the vehicle width direction along the lower surface of the passage floor portion 15, and is fixed to the passage floor portion 15. The third passage floor reinforcement member 59 extends over the entire area of the passage floor portion 15 in the vehicle width direction, and forms a closed cross section extending in the vehicle width direction with the lower surface of the passage floor portion 15, thereby reinforcing the passage floor portion 15.
The fourth passage floor reinforcing member 60 of the plurality of passage floor reinforcing members 57 to 61 is formed in a hat-shaped cross section that is open upward, is disposed near the right side of the inspection opening 54 of the passage floor portion 15, extends in the front-rear direction along the lower surface of the passage floor portion 15, and is fixed to the passage floor portion 15. The fourth passage floor reinforcing member 60 extends in the front-rear direction between the first passage floor reinforcing member 57 and the second passage floor reinforcing member 58, and both front and rear ends thereof are fixed to the first passage floor reinforcing member 57 and the second passage floor reinforcing member 58. The fourth passage floor reinforcing member 60 forms a closed cross section extending in the front-rear direction with the lower surface of the passage floor portion 15, and reinforces the passage floor portion 15.
The fifth floor reinforcement member 61 of the plurality of floor reinforcement members 57 to 61 is formed in a hat-shaped cross section that is open upward, is disposed on the right side of the fourth floor reinforcement member 60, extends in the vehicle width direction along the lower surface of the floor portion 15, and is fixed to the floor portion 15. The fifth floor reinforcement member 61 extends from the fourth floor reinforcement member 60 to the outer side in the vehicle width direction than the right end edge portion 15a of the floor portion 15, forms a closed cross section extending in the vehicle width direction with the lower surface of the floor portion 15, and reinforces the floor portion 15.
As shown in fig. 2, 5 and 9, the first passage bottom plate reinforcing member 57 reinforcing the passage bottom plate 15, the left and right passage side plate reinforcing members 24 reinforcing the rear end portions of the left and right passage side plate portions 16, the left and right inner reinforcing members 25 reinforcing the rear end portions of the left and right floor rear portions 14, and the left and right outer reinforcing members 26 are fixed to the rear end portion 10c of the floor panel 10. The first passage bottom plate reinforcing member 57, the left and right passage side plate reinforcing members 24, the left and right inner reinforcing members 25, and the left and right outer reinforcing members 26 reinforce substantially the entire area of the rear end portion 10c of the floor panel 10 in the vehicle width direction.
The left and right passage side plate reinforcing members 24 are reinforcing members that reinforce rear end portions of the left and right passage side plate portions 16 of the floor panel 10, are formed in a hat-shaped cross section that opens inward in the vehicle width direction, extend in the up-down direction along vehicle width direction outer side surfaces of the rear end portions of the left and right passage side plate portions 16, and are fixed to the vehicle width direction outer side surfaces of the left and right passage side plate portions 16. The left and right passage side plate reinforcing members 24 form a closed cross section extending in the up-down direction with the left and right passage side plate portions 16. The lower end portions of the left and right passage side plate reinforcing members 24 are fixed to both end portions of the first passage bottom plate reinforcing member 57 in the vehicle width direction. In the present embodiment, left and right coupling members 27 extending upward from the left and right passage-side plate reinforcing members 24 are fixed to the left and right passage-side plate reinforcing members 24. The left and right connecting members 27 connect left and right rear panel reinforcing members 28 (see fig. 3) fixed to the rear panels 8a and 8b of the cab 2 and the left and right passage side plate reinforcing members 24.
The left and right inner reinforcing members 25 are reinforcing members that reinforce rear end portions of the left and right floor rear portions 14 of the floor panel 10, are formed in a hat-shaped cross section that opens downward, extend in the vehicle width direction along upper surfaces of the rear end portions of the left and right floor rear portions 14, and are fixed to the upper surfaces of the left and right floor rear portions 14. The left and right inner reinforcement members 25 form a closed cross section extending in the vehicle width direction between the upper surfaces of the left and right floor rear portions 14. The inner ends of the left and right inner reinforcement members 25 in the vehicle width direction are fixed to the upper ends of the left and right passage side plate reinforcement members 24. The vehicle width direction outer end portions of the left and right inner reinforcement members 25 are disposed at positions separated from the vehicle width direction inner side surfaces of the support members 29 of the left and right floor rear portions 14.
The left and right outer reinforcing members 26 are reinforcing members that reinforce rear end portions of the left and right floor rear portions 14 of the floor panel 10, are formed in a hat-shaped cross section that opens downward, extend in the vehicle width direction along upper surfaces of the rear end portions of the left and right floor rear portions 14, and are fixed to the upper surfaces of the left and right floor rear portions 14. The left and right outer reinforcement members 26 form a closed cross section extending in the vehicle width direction between the upper surfaces of the left and right floor rear portions 14. The left and right outer reinforcing members 26 are formed smaller than the left and right inner reinforcing members 25 so as to engage with the left and right inner reinforcing members 25 from below. The outer ends of the left and right outer reinforcement members 26 in the vehicle width direction are fixed to the inner surfaces of the left and right support members 29 of the left and right floor rear portions 14 in the vehicle width direction. The regions on the vehicle width direction inner end sides of the left and right outer reinforcement members 26 are covered by the left and right inner reinforcement members 25 from above, and are fixed in a state of being engaged with the vehicle width direction outer end portions of the left and right inner reinforcement members 25 from below. That is, the rear end portions of the left and right floor rear portions 14 of the floor panel 10 are reinforced over substantially the entire area in the vehicle width direction by both the left and right outer reinforcing members 26 and the left and right inner reinforcing members 25.
As shown in fig. 6, a lower end portion of a passage side plate reinforcing member 62 that reinforces the right passage side plate portion 16 of the floor panel 10 is fixed to the right outer end portion of the fifth passage bottom plate reinforcing member 61. The passage side plate reinforcing member 62 is formed in a hat-shaped cross section that opens inward in the vehicle width direction, extends in the up-down direction along the vehicle width direction outer side surface of the right passage side plate portion 16, and is fixed to the vehicle width direction outer side surface of the right passage side plate portion 16. The passage side plate reinforcing member 62 forms a closed cross section extending in the up-down direction with the vehicle width direction outer side surface of the right passage side plate portion 16. A floor rear reinforcement member 63 extending in the vehicle width direction is provided between the upper end portion of the passage side plate reinforcement member 62 and the frame rear portion 36 of the right lower frame 33.
The floor rear reinforcement member 63 is formed in a hat-shaped cross section that opens downward, extends in the vehicle width direction between the upper end portion of the passage side plate reinforcement member 62 and the frame rear portion 36 of the right lower frame 33, and is fixed to the right floor rear portion 14. The vehicle width direction inner end portion of the floor rear reinforcement member 63 is fixed to the upper end portion of the passage side plate reinforcement member 62, and the vehicle width direction outer end portion of the floor rear reinforcement member 63 is fixed to the frame rear portion 36 of the right lower frame 33. The floor rear reinforcement member 63 connects the passage side plate reinforcement member 62 and the right lower frame 33. That is, the upper end of the passage side plate reinforcing member 62 is indirectly connected to the right lower frame 33 via the floor rear reinforcing member 63.
A passage side plate reinforcing member 73 that reinforces the passage side plate portion 16 on the left side is provided in a region of the passage side plate portion 16 on the left side, which is located laterally of the inspection opening 54 of the passage bottom plate portion 15. The passage-side-plate reinforcing member 73 is formed in a hat-shaped cross section that opens inward in the vehicle width direction, extends in the up-down direction along the vehicle-width-direction outer surface of the left passage side plate portion 16, and is fixed to the vehicle-width-direction outer surface of the left passage side plate portion 16. The passage side plate reinforcing member 73 forms a closed cross section extending in the up-down direction with the vehicle width direction outer side surface of the left passage side plate portion 16. The lower end of the passage side plate reinforcing member 73 is disposed in the vicinity of the side of the inspection port 54 of the passage bottom plate portion 15. A floor rear reinforcing member 74 extending in the vehicle width direction is provided between the upper end portion of the passage side plate reinforcing member 73 and the frame rear portion 36 of the left lower frame 33.
The floor rear reinforcement member 74 is formed in a hat-shaped cross section that opens downward, extends in the vehicle width direction between the upper end portion of the passage side plate reinforcement member 73 and the frame rear portion 36 of the left lower frame 33, and is fixed to the left floor rear portion 14. The vehicle width direction inner end portion of the floor rear reinforcement member 74 is fixed to the upper end portion of the passage side plate reinforcement member 73, and the vehicle width direction outer end portion of the floor rear reinforcement member 74 is fixed to the frame rear portion 36 of the left lower frame 33. The floor rear reinforcement member 74 connects the passage side plate reinforcement member 73 and the left lower frame 33.
As shown in fig. 2 and 5, each of the left and right seats 17a and 17b includes a seat cushion 37 on which the passenger sits, and a seat back 52 that stands up from the rear end portion of the seat cushion 37 and functions as a backrest of the passenger. In the present embodiment, the seat 17b on the driver's seat side (right side) is supported by both the right floor rear portion 14 and the passage bottom plate portion 15, and the seat 17a on the passenger's seat side (left side) is supported by the left floor rear portion 14.
The right seat 17b (hereinafter, simply referred to as "seat 17 b") is supported from below by the right floor rear portion 14 and the passage bottom plate portion 15. The seat cushion 37 of the seat 17b has a protruding region 39, and the protruding region 39 protrudes inward in the vehicle width direction than the right passage side plate portion 16 and is disposed above the passage bottom plate portion 15. The protruding region 39 of the seat cushion 37 is supported by the passage floor portion 15 via a seat bracket 40 disposed below the seat cushion 37. The outer end portion of the seat cushion 37 in the vehicle width direction is supported by the right floor rear portion 14.
As shown in fig. 4 and 5, the seat bracket 40 is formed in a frame shape by a panel-side fixing member 42, a seat-side fixing member 43, and front and rear leg portions 44 and 45, the panel-side fixing member 42 extending linearly in the front-rear direction along the upper surface of the passage floor portion 15 of the floor panel 10, the seat-side fixing member 43 being disposed at a position spaced upward from the panel-side fixing member 42 and supporting the seat cushion 37, the front and rear leg portions 44 and 45 extending linearly in the up-down direction between the panel-side fixing member 42 and the seat-side fixing member 43. The seat bracket 40 is disposed at a position separated inward in the vehicle width direction from the right passage side plate portion 16, and stands up along the upper surface of the right outer end portion of the passage bottom plate portion 15 of the floor panel 10 in a state extending in the front-rear direction. The front end side of the panel-side fixing member 42 of the seat bracket 40 is fixed to an area above the second floor reinforcement member 58 in the floor portion 15, and the rear end side is fixed to an area above the fifth floor reinforcement member 61 in the floor portion 15. The seat side fixing member 43 is supported from the floor rear 14 side on the right side by front and rear 2 bracket support members 51 extending in the vehicle width direction. The front-rear bracket support member 51 connects the right floor rear portion 14 and the seat side fixing member 43, and supports the seat side fixing member 43.
As shown in fig. 5, 6 and 8, a cover 55 for closing the inspection port 54 is attached to the passage bottom plate portion 15 in a state of being placed from above. The cover 55 is formed in a size capable of closing the inspection port 54 from above. The front end portion of the cover 55 is disposed forward of the inspection port 54 and is fixed in a state of overlapping from above with the region above the second passage bottom plate reinforcing member 58 in the passage bottom plate portion 15. The rear end portion of the cover 55 is disposed rearward of the inspection port 54 and is fixed in a state of overlapping the area above the first passage floor reinforcing member 57 from above. The left end of the cover 55 is disposed on the left side of the inspection port 54, and extends in the front-rear direction along the vehicle width direction inner surface of the left passage side plate portion 16. The right end of the cover 55 is disposed on the right side of the inspection port 54, and extends in the front-rear direction from above in a state of overlapping with the region above the fourth floor reinforcing member 60 in the passage floor portion 15. In the present embodiment, the cover 55 is formed by overlapping and joining upper and lower 2 plate-like members 75, 76 intersecting the vertical direction. The upper and lower plate-like members 75, 76 are formed to have substantially the same size. A plurality of (5 in the present embodiment) projections (a plurality of lid reinforcing portions) 77 extending in the front-rear direction in a state protruding downward are formed on the area of the lower plate-like member 76 exposed downward from the inspection port 54. The plurality of projections 77 extend over substantially the entire area of the inspection port 54 in the front-rear direction in a state of being separated from each other in the vehicle width direction.
Next, the production of the floor panel 10 will be described. As shown in fig. 9, the floor panel 10 is formed by attaching the passage unit 22 to the floor main body 21.
The floor main body 21 integrally has a floor front 12, left and right kick portions 13, and left and right floor rear portions 14. In the present embodiment, the floor main body 21 is formed by cutting the bent-up portion of the floor panel (the floor panel in which the bent-up portion stands up from the entire area in the vehicle width direction of the rear portion of the floor front portion 12 and the floor rear portion extends rearward from the entire area in the vehicle width direction of the rear portion of the bent-up portion) of the general flat-head vehicle without the passage floor portion 15 and the vehicle width direction center portion of the floor rear portion. A left and right support member 29 and a left and right outer reinforcement member 26 (only the right outer reinforcement member 26 is shown in fig. 9) are fixed to the vehicle width direction outer end portions of the rear end portions of the left and right floor rear portions 14 of the floor main body 21.
The passage unit 22 is formed independently of the floor main body 21 by unitizing the passage floor portion 15, the left and right passage side plate portions 16, the first passage floor reinforcing member 57, the left and right passage side plate reinforcing members 24, the left and right inner reinforcing members 25, the left and right connecting members 27, and the seat frame 40 as one unit. The first fixing portion 30 is provided on the passage bottom plate portion 15 of the floor panel 10, and the first fixing portion 30 is fixed in a state of overlapping the end edge portion of the notch portion 18 of the floor front 12 from above. The right and left passage side plate portions 16 of the floor panel 10 are provided with right and left second fixing portions 31 and right and left third fixing portions 32, the right and left second fixing portions 31 being fixed in a state of overlapping the front surfaces of the right and left bent-up portions 13 from the front, and the right and left third fixing portions 32 being fixed in a state of overlapping the upper surfaces of the floor rear portions 14 from above. The passage unit 22 is fixed to the floor main body 21 in a state of being placed from above.
In the above configuration, the passage bottom plate portion 15 of the floor panel 10 is disposed at a height position lower than the left and right floor rear portions 14, and extends rearward from the floor front portion 12 between the left and right kick portions 13 and between the left and right floor rear portions 14. Therefore, when the passenger seated in the seats 17a, 17b rises from the seats 17a, 17b and moves to the rear of the seats 17a, 17b (for example, the doorway 9), the passenger can pass through the passage floor portion 15 from the floor front 12 and move to the rear of the seats 17a, 17 b. As described above, when the passenger seated on the seats 17a, 17b moves rearward in the vehicle cabin 5 (rearward of the seats 17a, 17 b), the passenger can move onto the floor rear 14 without crossing the kick portion 13 from the floor front 12, and thus can easily move forward and backward in the vehicle cabin 5.
The floor panel 10 has the passage floor reinforcing members 57 to 59 fixed to the lower surface of the passage floor portion 15. Since the passage floor reinforcing members 57 to 59 extend along the lower surface of the passage floor portion 15 over the entire area of the passage floor portion 15 in the vehicle width direction and are fixed to the lower surface of the passage floor portion 15 to reinforce the passage floor portion 15, the strength of the floor panel 10 against the load input from the passenger side when moving forward and backward in the vehicle cabin 5 can be ensured by the passage reinforcing members 57 to 59.
Further, since the passage floor reinforcing members 57 to 59 form a closed cross section extending in the vehicle width direction with the passage floor portion 15, the strength of the floor panel 10 against the load input from the passenger side at the time of the forward and backward movement in the vehicle cabin 5 can be ensured by the passage reinforcing members 57 to 59.
In addition, the inspection port 54 of the passage bottom plate portion 15 is formed in the passage bottom plate portion 15 in a region between the first passage bottom plate reinforcing member 57 and the second passage bottom plate reinforcing member 58. The first passage floor reinforcing member 57 is disposed in the vicinity of the rear of the inspection port 54 of the passage floor portion 15, and the second passage floor reinforcing member 58 is disposed in the vicinity of the front of the inspection port 54 of the passage floor portion 15. Therefore, even if the inspection port 54 is provided in the passage bottom plate portion 15, the first passage bottom plate reinforcing member 57 and the second passage bottom plate reinforcing member 58 can reinforce the inspection port 54 in the front-rear direction.
The front end portion of the cover 55 closing the inspection port 54 of the passage bottom plate portion 15 is fixed in a state of overlapping from above with the area above the second passage bottom plate reinforcing member 58 in the passage bottom plate portion 15, and the rear end portion of the cover 55 is disposed rearward of the inspection port 54 and is fixed in a state of overlapping from above with the area above the first passage bottom plate reinforcing member 57. Accordingly, the load when the passenger steps on the cover 55 during the forward and backward movement in the vehicle cabin 5 can be received by the passage floor portion 15, the first passage floor reinforcement member 57, and the second passage floor reinforcement member 58 of the floor panel 10. In this way, since the cover 55 can be supported from below not only by the passage bottom plate portion 15 but also by the first passage bottom plate reinforcing members 57 and the second passage bottom plate reinforcing members 58 disposed on the front and rear sides of the inspection port 54, the strength of the floor panel 10 against the load input from the passenger side at the time of the front and rear movement in the cabin 5 can be ensured even if the inspection port 54 is provided on the passage bottom plate portion 15.
Therefore, according to the present embodiment, the forward and backward movement in the vehicle cabin 5 can be easily performed, and the strength of the floor panel 10 can be ensured.
Further, a plurality of protrusions 77 extending in the front-rear direction in a state protruding downward are formed on a region of the plate-like member 76 on the lower side of the cover 55, which is exposed downward from the inspection port 54. Therefore, the rigidity of the region of the cover 55 exposed downward from the inspection port 54 can be ensured by the plurality of projections 77.
Further, since the plurality of projections 77 of the cover 55 extend over substantially the entire area of the front and rear of the inspection port 54 in a state of being separated from each other in the vehicle width direction, the load when the passenger steps on the cover 55 when moving forward and backward in the vehicle cabin 5 can be transmitted to the first passage floor reinforcing member 57 and the second passage floor reinforcing member 58 via the plurality of projections 77. Therefore, the strength of the cover 55 with respect to the load input from the passenger side when moving back and forth in the vehicle cabin 5 can be ensured.
Further, since the passage bottom plate portion 15 and the left and right passage side plate portions 16 of the floor panel 10 are formed separately from the floor front portion 12, the left and right kick-up portions 13, and the left and right floor rear portions 14, the floor panel 10 can be manufactured at a low cost, unlike the case where the floor panel 10 is integrally formed using a complicated-shaped mold or the like. In the present embodiment, the floor body 21 is formed by cutting the bent-up portion of the floor panel of the general flat-head vehicle and the vehicle width direction center portion of the floor rear portion as described above, and therefore, a complicated shape mold or the like is not required, and the floor panel of the general flat-head vehicle can be manufactured at low cost.
In addition, since the passage bottom plate portion 15 and the left and right passage side plate portions 16 of the floor panel 10 are fixed to the floor main body 21 in a unitized state as one passage unit 22, the assembling work of the floor panel 10 can be simplified.
In the present embodiment, the protruding region 39 is provided on the seat cushion 37 of the seat 17b, and the seat bracket 40 is provided between the passage floor portion 15 of the floor panel 10 and the seat 17b, but the present invention is not limited thereto. For example, the protruding region 39 may not be provided on the seat cushion 37 of the seat 17b, and the seat bracket 40 may not be provided.
In the present embodiment, the plurality of passage floor reinforcing members 57 to 61 are formed in a hat-shaped cross section that opens upward, but the shape of the plurality of passage floor reinforcing members 57 to 61 is not limited to this, and may be any other shape (for example, a rectangular tube shape, etc.) as long as the shape of the passage floor portion 15 of the floor panel 10 can be reinforced.
In the present embodiment, 3 passage floor reinforcing members (passage reinforcing members) 57 to 59 extending over the entire area of the passage floor portion 15 of the floor panel 10 in the vehicle width direction are provided, but the present invention is not limited to this, and at least 1 passage reinforcing member may be provided.
In the present embodiment, the cover 55 is formed of the upper and lower 2 plate-like members 75, 76, but the present invention is not limited thereto. For example, the sheet-like member may be formed of 1 sheet-like member, or may be formed of 3 or more sheet-like members.
In the present embodiment, a plurality of (5 in the present embodiment) projections (a plurality of lid reinforcing portions) 77 are formed in the lid 55 in the area exposed downward from the inspection port 54, but the lid reinforcing portions are not limited to the projections 77, and may be ribs, for example.
In the present embodiment, the plurality of projections (plurality of lid reinforcing portions) 77 are provided on the lid 55, but the lid reinforcing portions may not be provided.
In the present embodiment, the inspection port 54 is provided in the passage bottom plate portion 15 of the floor panel 10, and the cover 55 is mounted on the passage bottom plate portion 15, but the present invention is not limited thereto, and the inspection port 54 and the cover 55 may not be provided.
In the present embodiment, the passage bottom plate portion 15 and the left and right passage side plate portions 16 of the floor panel 10 are assembled to the floor main body 21 in a unitized state as the passage unit 22, but the present invention is not limited thereto, and the floor panel 10 may be integrally formed by press working or the like without unitizing the passage bottom plate portion 15 and the left and right passage side plate portions 16 of the floor panel 10.
In the present embodiment, the cab 2 is provided with the high roof 6 that expands the cabin 5 upward, but the present invention is not limited to this, and a roof of a normal height may be provided in the cab 2.
In the present embodiment, the doorway 9 is provided in the rear surface 2a of the cab 2, and the passage bottom plate 15 of the floor panel 10 is a passage extending from the floor front 12 to the doorway 9 (or extending from the doorway 9 to the floor front 12). For example, the passageway bottom plate portion 15 of the floor panel 10 may be a passageway from the floor front portion 12 to a region rearward of the left and right seats 17a, 17b (or from a region rearward of the left and right seats 17a, 17b to the floor front portion 12) without providing the doorway 9 in the rear surface 2a of the cab 2.
The present disclosure has been described above based on the above embodiments, but the present disclosure is not limited to the above embodiments, and can be modified appropriately without departing from the scope of the present disclosure. That is, other embodiments, examples, operation techniques, and the like, which are completed by those skilled in the art based on the present embodiment, are certainly all included in the scope of the present invention.
The present application is based on the Japanese patent application of 2019, 9, 27 (Japanese patent application No. 2019-177141), the contents of which are incorporated herein by reference.
Industrial applicability
The cab structure of the vehicle of the present disclosure can be widely applied to vehicles such as trucks.
Description of the reference numerals
1. Vehicle with a vehicle body having a vehicle body support
2. Cab
5. Carriage
10. Floor panel
12. Front part of floor
13. Left and right upper bent parts
14. Rear parts of the left and right floors
15. Via bottom plate part
16. Left and right passage side plate portions
54. Inspection port (opening)
55. Lid (cover component)
57. First access floor reinforcement member (access reinforcement member or other access reinforcement member)
58. Reinforcing member for second passage bottom plate (other or passage reinforcing member)
59. Third passageway bottom plate reinforcing member (passageway reinforcing member)
77. Multiple projections (multiple cover reinforcement)

Claims (4)

1. A floor structure of a vehicle, characterized in that,
Comprising a floor panel and a passage reinforcing member,
The floor panel has: a floor front extending rearward from a front end lower portion of the vehicle cabin; left and right kick portions extending upward from a rear portion of the floor front portion in a state of being separated from each other left and right; a left and right floor rear portion disposed rearward and upward of the floor front portion and extending rearward from an upper portion of the left and right kick portion in a state of being separated from each other left and right; a passage bottom plate portion disposed at a height lower than the left and right floor rear portions, and extending rearward from the rear portions of the floor front portions between the left and right kick portions and between the left and right floor rear portions; and right and left passage side plate portions rising along right and left end edge portions of the passage bottom plate portion to close the right and left kick portions and between the right and left floor rear portions and the passage bottom plate portion, the floor panel defining a lower portion of the vehicle compartment,
The passage reinforcing member extends along a lower surface of the passage bottom plate portion of the floor panel over an entire area of the passage bottom plate portion in a vehicle width direction, is fixed to the lower surface of the passage bottom plate portion, and reinforces the passage bottom plate portion,
Comprising the following steps:
A further passage reinforcing member disposed at a position separated from one side in the front-rear direction of the passage reinforcing member, extending over the entire area of the passage bottom plate portion in the vehicle width direction along the lower surface of the passage bottom plate portion of the floor panel, and being fixed to the lower surface of the passage bottom plate portion to reinforce the passage bottom plate portion, and
A cover member mounted on an upper surface of the passage bottom plate portion of the floor panel,
In a region between the passage reinforcing member and the other passage reinforcing member in the passage bottom plate portion of the floor panel, an opening is formed,
The cover member extends in the front-rear direction from at least the upper side of the passage reinforcing member to the upper side of the other passage reinforcing member, and closes the opening.
2. The vehicle floor structure of claim 1, wherein the floor structure is formed of a material having a shape of a sheet,
The passage reinforcing member forms a closed cross section extending in the vehicle width direction between the passage reinforcing member and the passage bottom plate portion of the floor panel.
3. The vehicle floor structure of claim 1, wherein the floor structure is formed of a material having a shape of a sheet,
In the region of the cover member exposed downward from the opening, a plurality of cover reinforcing portions extending in the front-rear direction are provided.
4. The floor structure of a vehicle according to claim 1 or 2, characterized in that,
The passage bottom plate portion, the left and right passage side plate portions, and the passage reinforcing member of the floor panel are formed separately from the floor front portion, the left and right kick-up portions, and the left and right floor rear portions of the floor panel, and are fixed to the floor front portion, the left and right kick-up portions, and the left and right floor rear portions in a unitized state as one component.
CN202080067838.6A 2019-09-27 2020-09-24 Floor structure of vehicle Active CN114450213B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019177141A JP7219420B2 (en) 2019-09-27 2019-09-27 vehicle floor structure
JP2019-177141 2019-09-27
PCT/JP2020/035973 WO2021060355A1 (en) 2019-09-27 2020-09-24 Vehicle floor structure

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CN114450213B true CN114450213B (en) 2024-06-04

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JP (1) JP7219420B2 (en)
CN (1) CN114450213B (en)
WO (1) WO2021060355A1 (en)

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JP2021054158A (en) 2021-04-08
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WO2021060355A1 (en) 2021-04-01

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