Automobile rear axle tube welding assembly

The automotive rear axle tube welding assembly, manufactured by welding separate components and using molds, solves the problems of complexity and high cost in traditional welding, achieving high-precision and economical welding results.

CN224044968UActive Publication Date: 2026-03-27HENGYANG FENGSHUN AXLE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional automotive rear axle tube welding assemblies are complex to manufacture, require inconvenient fixtures, have low precision, and are costly, necessitating the ordering of specialized machines for welding.

Method used

The process involves welding separate components together using a standard welding machine. Each component is fabricated using molds, and the penetration depth of the CO2 gas shielded ring weld is ensured to reach 100%.

Benefits of technology

It simplifies the processing, improves welding accuracy, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224044968U_ABST
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Abstract

An automobile rear axle shaft tube welding assembly comprises a shaft tube, a mounting seat assembly, an upper control arm support assembly, a limiting block seat, a brake hose support, a flange plate and a lower control arm support assembly, the mounting seat assembly is arranged on the left side of the shaft tube, the mounting seat assembly and the shaft tube are welded, the upper control arm support assembly is arranged on the upper left portion of the mounting seat assembly, and the limiting block seat is arranged on the upper left portion of the mounting seat assembly. The upper control arm support assembly is welded to the mounting base assembly, the lower control arm support assembly is welded to the lower left portion of the mounting base assembly, the limiting block base is welded to the left side of the lower control arm support assembly, the brake hose support is welded to the left side of the limiting block base, and the flange plate is welded to the leftmost side of the shaft tube. The flange plate and the shaft tube adopt a CO2 gas protection ring welding mode, and the fusion depth rate needs to reach 100%; the utility model is formed by splicing and welding split components, can be welded by a common welding machine, is simple and convenient to process, and can effectively ensure the welding precision.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an automobile part, in particular to an automobile rear axle pipe welding assembly. BACKGROUND

[0002] The rear axle pipe welding assembly is a commonly used part of automobile rear axle, which is composed of a round steel pipe and a plurality of supports, and a traditional manufacturing method adopts an integral type. Since the design and manufacture are complicated when welding the axle pipe assembly, the fixture is inconvenient to manufacture, the precision is not high when welding, a special machine needs to be ordered for welding, and the welding equipment is expensive and has high cost. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of automobile rear axle pipe welding assemblies, adopt split assembly splicing welding, can be welded using ordinary welding machine, it is simple and easy to process, can effectively guarantee welding precision.

[0004] The technical scheme of the utility model is: a kind of automobile rear axle pipe welding assembly, it is characterized by: it includes axle pipe, mounting seat assembly, upper control arm support assembly, limit block seat, brake hose support, flange, lower control arm support assembly, the axle pipe left side is equipped with mounting seat assembly, mounting seat assembly and axle pipe adopt welding mode, upper control arm support assembly is equipped in the left top of mounting seat assembly, upper control arm support assembly and mounting seat assembly adopt welding, the lower control arm support assembly is welded in the left lower side of mounting seat assembly, limit block seat is welded in the left side of lower control arm support assembly, brake hose support is welded in the left side of limit block seat, flange is welded in the leftmost side of axle pipe, flange and axle pipe adopt CO2 gas protection ring welding mode, and depth rate needs to reach 100%.

[0005] The further technical scheme of the utility model is: the axle pipe is processed from 20# steel pipe, one end of axle pipe adopts rough turning processing, the other end of axle pipe adopts finish turning processing.

[0006] The further technical scheme of the utility model is: the mounting seat assembly is made of mould, and the two sides of the mounting seat assembly are provided with arcs, the arc shape is consistent with the shape of the outer circle of the axle pipe.

[0007] The further technical scheme of the utility model is: the upper control arm support assembly is formed by mould, and the two sides of the upper control arm support assembly are provided with arcs, and the arc shape is consistent with the arc shape of the axle pipe.

[0008] The further technical scheme of the utility model is: the limit block seat is made of mould, and the two sides of the limit block are provided with arcs, and the arc shape is consistent with the shape of the outer circle of the axle pipe.

[0009] The further technical scheme of the utility model discloses: the lower control arm support assembly adopts die forming, and the lower control arm support assembly is provided with an arc on both sides, and the arc shape is consistent with the arc shape of the shaft pipe.

[0010] The further technical scheme of the utility model discloses: the brake hose support adopts 2mm steel plate stamping.

[0011] The further technical scheme of the utility model discloses: the flange plate is made by forging and pressing, then is turned, and the right inner hole of the flange plate is consistent with the outer dimension of the left side of the shaft pipe.

[0012] Compared with the prior art, the utility model has the following characteristics: the utility model provides a kind of automobile rear axle shaft pipe welding assembly, and it is composed of split assembly, can be welded using ordinary welding machine, and it is simple to process, which can effectively guarantee welding precision.

[0013] The detailed structure of the utility model is further described in combination with the drawings and specific embodiments. DRAWINGS

[0014] ATTACH Figure 1 It is the structural schematic diagram of the utility model. SPECIFIC EMBODIMENT

[0015] As shown in the drawings: a kind of automobile rear axle shaft pipe welding assembly, characterized in that: it includes shaft pipe 1, mounting seat assembly 2, upper control arm support assembly 3, limit block seat 4, brake hose support 5, flange plate 6, lower control arm support assembly 7, the left side of the shaft pipe 1 is equipped with mounting seat assembly 2, mounting seat assembly 2 and shaft pipe 1 adopt welding mode, upper control arm support assembly 3 is equipped on the left upper side of mounting seat assembly 2, and upper control arm support assembly 3 and mounting seat assembly 2 adopt welding, the lower control arm support assembly 7 is welded on the left lower side of mounting seat assembly 2, limit block seat 4 is welded on the left side of lower control arm support assembly 7, brake hose support 5 is welded on the left side of limit block seat 4, flange plate 6 is welded on the leftmost side of shaft pipe 1, and flange plate 6 and shaft pipe 1 adopt CO2 gas protection ring welding mode, and the penetration rate needs to reach 100%.

[0016] The shaft pipe 1 is processed from 20# steel pipe, one end of the shaft pipe 1 is processed by rough turning, and the other end of the shaft pipe 1 is processed by fine turning.

[0017] The mounting seat assembly 2 is made of die, and the mounting seat assembly 2 is provided with an arc on both sides, and the arc shape is consistent with the shape of the outer circle of the shaft pipe.

[0018] The upper control arm support assembly 3 is formed by die forming, and the upper control arm support assembly 3 is provided with an arc on both sides, and the arc shape is consistent with the arc shape of the shaft pipe.

[0019] The limiting block seat 4 is made by a mold, and the limiting block 4 is provided with a circular arc on both sides, which is consistent with the shape of the outer circle of the shaft tube.

[0020] The lower control arm support assembly 7 is made by a mold, and the lower control arm support assembly 7 is provided with a circular arc on both sides, which is consistent with the shape of the circular arc of the shaft tube.

[0021] The brake hose support 5 is punched by a 2mm steel plate.

[0022] The flange plate 6 is made by forging and pressing, and then is turned, and the right inner hole of the flange plate 6 is consistent with the shape of the left outer dimension of the shaft tube 1.

Claims

1. An automotive rear axle tube welding assembly, characterized by: It includes axle tube, mounting seat assembly, upper control arm support assembly, limit block seat, brake hose support, flange plate, lower control arm support assembly, the left side of the axle tube is equipped with mounting seat assembly, mounting seat assembly and axle tube are welded, upper control arm support assembly is welded on the left upper side of mounting seat assembly, lower control arm support assembly is welded on the left lower side of mounting seat assembly, limit block seat is welded on the left side of lower control arm support assembly, brake hose support is welded on the left side of limit block seat, flange plate is welded on the leftmost side of axle tube, flange plate and axle tube are CO2 gas protection ring welding, and the penetration rate needs to reach 100%.

2. An automotive rear axle tube welding assembly as in claim 1, wherein: The axle tube is processed from a 20# steel pipe, one end of the axle tube is processed by rough turning, and the other end of the axle tube is processed by fine turning.

3. An automotive rear axle tube welding assembly as in claim 1, wherein: The mounting seat assembly is made of a mold, and the two sides of the mounting seat assembly are provided with arcs, and the arc shape is consistent with the shape of the outer circle of the axle tube.

4. An automotive rear axle tube welding assembly as in claim 1, wherein: The upper control arm support assembly is formed by a mold, and the two sides of the upper control arm support assembly are provided with arcs, and the arc shape is consistent with the arc shape of the axle tube.

5. An automotive rear axle tube welding assembly as in claim 1, wherein: The limit block seat is made of a mold, and the two sides of the limit block are provided with arcs, and the arc shape is consistent with the shape of the outer circle of the axle tube.

6. An automotive rear axle tube welding assembly as in claim 1, wherein: The lower control arm support assembly is formed by a mold, and the two sides of the lower control arm support assembly are provided with arcs, and the arc shape is consistent with the arc shape of the axle tube.

7. An automotive rear axle tube welding assembly as in claim 1, wherein: The brake hose support is punched from a 2mm steel plate.

8. An automotive rear axle tube welding assembly as in claim 1, wherein: The flange plate is made by forging and then is turned, and the right inner hole of the flange plate is consistent with the outer dimension of the left side of the axle tube.