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Bushing sleeve for vehicle frame and forming method thereof

A technology of bushing and frame, which is applied in the field of bushing and casing for frame and its forming, which can solve the problems of high cost, wall thickness, diameter, and material yield strength that cannot be combined at will, so as to reduce production cost and metal processing The effect of sequence and cost reduction

Active Publication Date: 2016-03-16
SHANGHAI HUIZHONG AUTOMOTIVE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The bushing sleeve 2 on the traditional vehicle frame 1 adopts a steel pipe structure, and the fitting size of the bushing is guaranteed by metal processing. Need to go through gold processing, the cost is higher

Method used

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  • Bushing sleeve for vehicle frame and forming method thereof
  • Bushing sleeve for vehicle frame and forming method thereof
  • Bushing sleeve for vehicle frame and forming method thereof

Examples

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Embodiment Construction

[0028] like figure 2 and Figure 10 As shown, in an embodiment of the present invention, the bushing sleeve 12 for the vehicle frame 11 is a stamped and formed part, which has a seam, and the seam is formed by connecting the convex end and the concave end of the sleeve. The convex part end has a plurality of convex parts 131, and the concave part end has a plurality of concave parts 132, and a plurality of convex parts 131 and a plurality of concave parts 132 are connected in one-to-one correspondence, and the shapes of the convex parts 131 and corresponding concave parts 132 are similar, and the convex parts 131 and the corresponding concave parts 132 are similar in shape. The corresponding recess 132 is an interference fit to connect the male and female ends of the bushing sleeve together such that the bushing sleeve is in a closed cylindrical shape. The contours of the protrusions 131 and 132 are arc-shaped without acute angles, and the widths of the bases of the protrusi...

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PUM

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Abstract

The invention provides a lining casing pipe for a car frame and a forming method of the lining casing pipe for the car frame. The method includes the steps that first, a steel plate is stamped, so that a blank is provided a convex portion end and a concave portion end, wherein the convex portion end is provided with a plurality of convex portions, the concave portion end is provided with a plurality of concave portions, the convex portions can be combined with the concave portions respectively in an embedded mode and be in interference fit with the concave portions, the edge of each convex portion is in a circular arc shape, the shape of the concave portions is similar to that of the convex portions which are combined with the concave portions, and the width of the root of each convex portion is smaller than the maximum width of the convex portion; second, the blank is stamped into an omega-shaped part, wherein the omega-shaped part is formed by a small circular arc section in the middle and large circular arc sections on the two sides of the small circular arc section; third, the small circular arc section of the omega-shaped part is stamped so that one of the convex portion end and the concave portion end can be located above the other of the convex portion end and the concave portion end, wherein height difference exists between the convex portion end and the concave portion end; fourth, the convex portions are pressed into the concave portion so that the cylindrical lining casing pipe for the car frame can be formed through shaping.

Description

technical field [0001] The invention relates to a bushing tube for a vehicle frame and a forming method thereof. Background technique [0002] Automobile frame is an important safety and load-bearing part in the automobile chassis system. It has extremely high requirements for strength, rigidity and fatigue, and bears the steering, braking and vertical loads of the car during driving. [0003] There are several bushing tubes welded on the frame for press-fitting the bushings, and the frame and the body are connected through the bushing tubes, bushings and fasteners, which provide a vibration damping function during the connection. [0004] As one of the connecting parts between the frame and the body, the bushing tube needs to provide high dimensional accuracy to match the bushing to provide sufficient interference, and at the same time, it needs to have sufficient strength to withstand various loads during vehicle driving. [0005] The bushing sleeve 2 on the traditional v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16S3/00B21D53/88B62D21/00
Inventor 马梅艳
Owner SHANGHAI HUIZHONG AUTOMOTIVE MFG
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