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Reinforcing structure of vehicle body

一种车体、构造的技术，应用在车辆部件、下部结构、上部结构等方向，能够解决无法充分利用带状板材振动衰减能力等问题，达到提高振动衰减能的效果

Inactive Publication Date: 2018-01-30
MAZDA MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0027] Therefore, even if the carbon fiber resin constituting the strip-shaped plate retains high deformation energy storage capacity as a physical property of the material itself, when the strip-shaped plate undergoes the same deformation behavior as the floor (or the frame member connected to the floor), Also, only the amount of deformation energy corresponding to the torsional deformation accompanying this behavior can be accumulated inside the strip-shaped plate, and the vibration damping ability of the strip-shaped plate cannot be fully utilized.

Method used

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  • Reinforcing structure of vehicle body
  • Reinforcing structure of vehicle body
  • Reinforcing structure of vehicle body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Below, based on Figure 1 to Figure 7 Example 1 of the present invention will be described.

[0064] First, the overall structure of the vehicle V will be described.

[0065] Such as figure 1 , figure 2 As shown, the vehicle V is composed of a load-bearing body, including: a floor 1 forming the bottom surface of the compartment R; an engine partition 2 standing upward from the front end of the floor 1 and dividing the engine compartment E and the compartment R; A pair of front side frames 3 extend forward from the engine bulkhead 2 ; and a pair of left and right rear side frames 4 extend rearward from the rear end side portion of the floor 1 .

[0066] In addition, this vehicle V includes: a pair of left and right side beams 5 arranged at the left and right ends of the floor 1; a pair of left and right hinge columns 6 extending upward from the front ends of the pair of side beams 5; 7. Extend upward from the middle part of a pair of side beams 5; a pair of front c...

Embodiment 2

[0118] Next based on Figure 8 The 3rd spreader member 20A of Example 2 is demonstrated.

[0119] In addition, the same code|symbol is attached|subjected to the same component as Example 1.

[0120] In Embodiment 1, the left end portion of the belt plate portion 21 is fastened to the bottom wall portion of the floor frame 12 by a pair of front and rear bolts b2 through which a pair of front and rear washers w2 are respectively inserted. In contrast, in Embodiment 2 Among them, the left end portion of the belt plate portion 21A is fastened to the bottom wall portion of the floor frame 12 by a single bolt b2 through which the fixing metal fitting w3 is inserted.

[0121] The third spreader member 20A integrally includes a pair of left and right strap portions 21A and a connection reinforcement portion 22 that connects the inner end portions of the pair of strap portions 21A in the vehicle width direction to each other.

[0122] In addition, since 21 A of 1 pair of strip parts ...

Embodiment 3

[0130] Next based on Figure 9 The 3rd spreader member 20B of Example 3 is demonstrated.

[0131] In addition, the same code|symbol is attached|subjected to the same component as Example 1.

[0132] In Embodiment 1, the front-rear length of the second displacement following portion 21b of the belt plate portion 21 is longer than the front-rear length of the first displacement following portion 21a. In contrast, in Embodiment 3, the belt plate portion 21B has a The front-back length of the 2nd displacement following part 21e is set to the same length as the front-back length of the 1st displacement following part 21d.

[0133] The third spreader member 20B integrally includes a pair of right and left rectangular strip portions 21B and a connection reinforcement portion 22 that connects the inner end portions of the pair of strip portions 21B in the vehicle width direction to each other.

[0134] In addition, since one pair of strip part 21B has a left-right symmetrical struct...

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Abstract

The invention provides a reinforcing structure of a vehicle body, the strain-energy storing capacity of the band plate made of a synthetic resin added with a reinforcing material is fully utilized, sothat the vibration damping performance of the floor panel is improved. There are provided a floor panel (1), a tunnel portion (10) which is provided to protrude at the floor panel (1), a pair of right-and-left tunnel side frames (11), a pair of right-and-left floor frames (12), and a band plate (21) which is made from carbon fiber reinforced plastic, an inward end portion which being connected tothe tunnel side frame (11) and an outward end portion of which being connected to the floor frame (12), wherein the band plate portion (21) includes a first displacement following portion (21a) whichis configured to be displaced, following displacement of the tunnel side frame (11) and a second displacement following portion (21b) which is configured to be displaced, following displacement of the floor frame (12), and the first displacement following portion (21a) and the second displacement following portion (21b) are configured to be asymmetrical relatively to a longitudinal-directional axis.

Description

technical field [0001] The present invention relates to a reinforced structure of a vehicle body, and more particularly to a reinforced structure of a vehicle body reinforced by a synthetic resin band-shaped plate material incorporating a reinforcing material. Background technique [0002] Panel components such as floor panels, hoods, trunk doors, and roof panels are known to be susceptible to deformation due to inputs from suspensions, etc. [0003] In particular, since the floor that forms the bottom surface of the passenger compartment is provided with a tunnel portion that protrudes into the passenger compartment and extends in the front-rear direction at the middle portion in the vehicle width direction, the rigidity is lower than that of a flat plate structure without a tunnel portion, and it becomes a vertically displaced film. Cause of increased vibration. [0004] Increased vibration of this floor will cause cabin noise, so ride comfort may be deteriorated. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D25/20
CPCB62D29/046B62D25/20B62D29/041B60Y2306/09B62D21/02
Inventor 西田健二中川兴也
Owner MAZDA MOTOR CORP
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