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Connecting device for combined material plate spring and metal clamping plate

A composite material plate and connection device technology, which is applied in the direction of springs, springs/shock absorbers, leaf springs, etc., can solve problems that affect the life and normal use of parts, reduce the service life of leaf springs, and affect the application of composite leaf springs, etc. , to achieve the effect of improving NVH performance, reducing wear, reducing contact stress and wear

Inactive Publication Date: 2016-10-05
漯河君叁材料高科有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some problems in the connection between the leaf spring and the vehicle, which affects the application of the composite leaf spring
For example, the connection between the composite leaf spring and the middle splint and the connection between the two ends and the metal lugs, if these connections are not designed properly, unnecessary stress concentration will occur; if holes are drilled on the composite leaf spring, the plate will be damaged The service life of the spring is greatly reduced, which affects the life and normal use of the entire component

Method used

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  • Connecting device for combined material plate spring and metal clamping plate
  • Connecting device for combined material plate spring and metal clamping plate
  • Connecting device for combined material plate spring and metal clamping plate

Examples

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Embodiment Construction

[0018] like figure 1 As shown, a connecting device of a composite material leaf spring and a metal splint includes a composite material leaf spring 13, a gasket 12 is arranged between the composite material leaf spring 13 and the metal splint 11, and the material of the flexible gasket is polyurethane, nylon , composite materials and other non-metallic flexible materials. The shape and thickness of the metal splint are not limited, such as figure 2 The shape of the middle metal splint 21 can also be a flat plate; as image 3 The shape of the middle metal splint 31 can completely wrap the composite material leaf spring and gasket in the width and thickness directions after the upper and lower splints are combined; the connection of the two splints can also be connected by a traditional metal leaf spring.

[0019] The shape of the gasket is not limited to figure 1 the shape shown. The gasket can be of equal thickness and width, or of variable thickness and width; the shape ...

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Abstract

Provided is a connecting device for a combined material plate spring and a metal clamping plate. The connecting device comprises the combined material plate spring. A gasket is arranged between the combined material plate spring and the metal clamping plate. The gasket is made by nonmetal flexible material.Due to the fact that the flexible gasket is added between the combined material plate spring and the metal clamping plate, the gasket has better flexibility and has different deformation amount on two interfaces such that effects of reducing contact stress and abrasion of metal on combined material are exerted. Due to the fact that rubber has the feature of absorbing energy, damping effect is exerted so that NVH performance of the combined material plate spring is further improved.When the flexible gasket is adhered to the surface of the combined material plate spring, friction between the flexible gasket and the clamping plate is increased so that a positioning effect is exerted.

Description

technical field [0001] The invention belongs to the field of automobiles, and in particular relates to a connecting device for a composite material leaf spring and a metal splint. Background technique [0002] In recent years, due to the shortage of energy and the pressure of environmental protection, the lightweight of automobiles has become an increasing trend, and composite leaf springs have also received more and more attention because of their special advantages. However, there are still some problems in the connection between the leaf spring and the vehicle, which affects the application of the composite leaf spring. For example, the connection between the composite leaf spring and the middle splint and the connection between the two ends and the metal lugs, if these connections are not designed properly, unnecessary stress concentration will occur; if holes are drilled on the composite leaf spring, the plate will be damaged The service life of the spring is greatly r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G11/10
Inventor 侯金平徐献忠
Owner 漯河君叁材料高科有限公司
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