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vehicle door structure

A technology for doors and vehicles, applied to vehicle parts, doors, door leaves, etc., can solve the problems of increased door thickness and increased installation time of door weight reinforcing beams, etc., to achieve the effects of improving torsional rigidity, suppressing weight, and improving door frame rigidity.

Active Publication Date: 2016-07-20
SUZUKI MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the reinforcement beam is added to the door panel, the weight of the door and the man-hours for installing the reinforcement beam increase
In addition, in order to ensure the space required for mounting various devices in the door, there is a possibility that the thickness of the door will increase due to the addition of a reinforcing beam.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0045] figure 1 It is a schematic diagram showing the vehicle door structure of the present invention viewed from the interior side of the door inner panel.

[0046] A door inner panel 1 is assembled to an unillustrated door outer panel to form a door panel 2. An upper side hinge 3 and a lower side hinge 4 are provided on one side portion 10 of the door inner panel 1 at the front side of the vehicle. There is a certain interval between the side hinge 3 and the lower side hinge 4 in the vertical direction. In addition, a latch mechanism 5 as a locking device is provided at an intermediate position in the vertical direction of the other side portion 11 of the door inner panel 1 on the vehicle rear side.

[0047]A panel surface 13 protruding toward the interior side is provided on the lower side of the window frame 12 provided on the upper side of the door inner panel 1 . On this panel surface 13, reinforcing ribs 16 are continuously provided on four sides formed along the so-...

no. 2 Embodiment approach

[0058] then, image 3 is the second embodiment of the present invention, and figure 1 The same reference numerals are attached to the same parts, and the description of the same parts will be omitted.

[0059] In this case, on the panel surface 13 of the above-mentioned door inner panel 1, from the center position O in the longitudinal direction of the above-mentioned first main reinforcement portion 19A toward the rear upper corner portion 17B of the waistline portion 14 at the rear end of the door (door The waistline corner at the rear end) is provided with a second main reinforcement 19B. In the longitudinal direction of the second main reinforcement part 19B, the same as that of the first main reinforcement part 19A is provided. figure 2 Rib 20 is shown.

[0060] At the end of the second main reinforcement 19B is provided a third auxiliary rib 21C connecting the side edge 11 at the rear end of the door and the rear end of the waistline 14. The main rib 20 in the abov...

no. 3 Embodiment approach

[0064] then, Figure 4 and Figure 5 is the third embodiment of the present invention, and figure 1 and image 3 The same reference numerals are attached to the same parts, and the description of the same parts will be omitted.

[0065] In this case, on the panel surface 13 of the door inner panel 1 , from the lower corner portion 18A at the front end of the door to the center position O in the longitudinal direction of the first main reinforcement portion 19A toward the edge of the waistline portion 14 at the rear end of the door. The rear upper corner portion 17B is provided with a third main reinforcement portion 19C. At both ends of the third main reinforcing portion 19C, ribs 20 provided along the longitudinal direction of the third main reinforcing portion 19C are respectively connected to fourth auxiliary ribs 21D and 3rd auxiliary ribs 21C, and the fourth auxiliary ribs 21D is provided across the lower corner 18A at the front end of the door, and the third auxilia...

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Abstract

The invention provides a vehicle door structure of a vehicle, which has the vehicle door rigidity improved by using a vehicle door inner plate shape in line with a negative pressure load generated during a high-speed driving process. The upper part and the lower part on one side part of a vehicle door inner plate forming a vehicle door plate are respectively provided with a hinge. The central part along the vertical direction of the other side of the vehicle door inner plate is provided with a latch. The vehicle door is assembled on a vehicle door installation frame on the vehicle body through the hinges. A first main reinforcing part (19A) is arranged on a plate face (13) on the lower part of a window frame (12) of the vehicle door inner plate (1). The first main reinforcing part (19A) is connected between the waist line corner part on the front of the vehicle door and the lower corner part on the vehicle door rear end.

Description

technical field [0001] The present invention relates to a vehicle door structure capable of improving the rigidity of the door against the negative pressure acting when the vehicle is running at high speed. Background technique [0002] As is well known, as a door structure provided in a vehicle, there is known a structure in which an upper hinge of a side door or a reinforcement beam extending from a position close to the upper hinge toward a door striker is attached to an inner panel by spot welding. However, since the reinforcement beam is added to the door panel, the weight of the door and the man-hours for installing the reinforcement beam increase. In addition, if the space required for mounting various devices is to be ensured in the door, there is a possibility that the thickness of the door may increase due to the addition of the reinforcing beam. [0003] Therefore, there is known a prior art in which an inner panel is provided with a reinforced portion extending ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60J5/04E06B3/72E06B7/30
CPCB60J5/0429B60J5/0455
Inventor 土屋和秀土田幸司
Owner SUZUKI MOTOR CORP