Durable automobile steering gear output shaft

Abstract

The utility model discloses a durable automobile steering gear output shaft which comprises an output shaft body, the output shaft body comprises a base layer, a first protective layer and a second protective layer, the top of the base layer is fixedly connected with the first protective layer, and the bottom of the base layer is fixedly connected with the second protective layer. According to the utility model, the output shaft body, the base layer, the first protective layer, the first chlorosulfonated polyethylene paint layer, the first silicon carbide ceramic anticorrosive paint layer, the first zinc silicate paint layer, the second protective layer, the second chlorosulfonated polyethylene paint layer, the second silicon carbide ceramic anticorrosive paint layer and the second zinc silicate paint layer are matched with one another; the corrosion resistance of the output shaft body is greatly improved, the service life of the output shaft body is greatly prolonged, and the durability of the output shaft body is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile steering gear, concretely is a durable automobile steering gear output shaft. BACKGROUND

[0002] The steering gear is used for transforming the steering torque and steering angle from the steering wheel (mainly reducing the speed and increasing the torque), and then outputting to the steering rod mechanism, so as to steer the automobile, and the steering gear is essentially a speed reduction transmission device. The steering gear has various types, such as rack and pinion type, recirculating ball type, worm crank pin type, power steering gear, etc. Generally, the steering torque from the steering wheel is transmitted to the steering rod mechanism through the output shaft.

[0003] According to the search, the patent with the application number CN202322295188.4 discloses an output shaft structure of an automobile steering gear, which comprises a shell. A sliding groove one is formed in the inner wall of the shell. A circular arc-shaped clamping groove is formed in the inner wall of the sliding groove one in a circular arrangement. A sliding rod is slidably connected to the inner wall of the sliding groove one. A circular arc-shaped clamping block is fixedly installed on the outer wall of the sliding rod in a circular arrangement. The circular arc-shaped clamping block is slidably connected to the circular arc-shaped clamping groove. A connecting shaft is fixedly installed on the outer wall of the sliding rod at the upper end.

[0004] However, the above-mentioned patent automobile steering gear output shaft has the following defects in actual use: poor corrosion resistance, short service life, not durable, and difficult to meet market demand. Therefore, we propose a durable automobile steering gear output shaft. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a durable automobile steering gear output shaft to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a durable automobile steering gear output shaft, comprising an output shaft body, the output shaft body comprising a base layer, a first protective layer and a second protective layer, the top of the base layer being fixedly connected with the first protective layer, and the bottom of the base layer being fixedly connected with the second protective layer.

[0007] Further, the first protective layer comprises a first chlorosulfonated polyethylene paint layer, a first silicon carbide ceramic anticorrosive paint layer and a first zinc silicate paint layer, and the top of the base layer is fixedly connected with the first chlorosulfonated polyethylene paint layer.

[0008] Further, the top of the first chlorosulfonated polyethylene paint layer is fixedly connected with the first silicon carbide ceramic anticorrosive paint layer.

[0009] Further, the top of the first silicon carbide ceramic anticorrosive paint layer is fixedly connected with the first zinc silicate paint layer.

[0010] Further, the second protective layer comprises a second chlorosulfonated polyethylene paint layer, a second silicon carbide ceramic anticorrosive paint layer and a second zinc silicate paint layer, and the bottom of the base layer is fixedly connected with the second chlorosulfonated polyethylene paint layer.

[0011] Further, the bottom of the second chlorosulfonated polyethylene paint layer is fixedly connected with the second silicon carbide ceramic anticorrosive paint layer.

[0012] Further, the bottom of the second silicon carbide ceramic anticorrosive paint layer is fixedly connected with the second zinc silicate paint layer.

[0013] Compared with the prior art, the output shaft body has the advantages that:

[0014] The output shaft body has the advantages that: the first protective layer, the first chlorosulfonated polyethylene paint layer, the first silicon carbide ceramic anticorrosive paint layer and the first zinc silicate paint layer are matched with each other, the corrosion resistance of the output shaft body is greatly improved, the service life of the output shaft body is greatly improved, and the durability of the output shaft body is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a layered structure schematic diagram of the utility model;

[0017] Figure 3 It is a layered structure schematic diagram of the first protective layer of the utility model;

[0018] Figure 4 It is a layered structure schematic diagram of the second protective layer of the utility model.

[0019] In the drawing: 1, output shaft body; 2, base layer; 3, first protective layer; 301, first chlorosulfonated polyethylene paint layer; 302, first silicon carbide ceramic anticorrosive paint layer; 303, first zinc silicate paint layer; 4, second protective layer; 401, second chlorosulfonated polyethylene paint layer; 402, second silicon carbide ceramic anticorrosive paint layer; 403, second zinc silicate paint layer. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-4 A durable automobile steering gear output shaft, comprising an output shaft body 1, the output shaft body 1 comprising a base layer 2, a first protective layer 3 and a second protective layer 4, the top of the base layer 2 is fixedly connected with the first protective layer 3, and the bottom of the base layer 2 is fixedly connected with the second protective layer 4.

[0024] Specifically, the first protective layer 3 comprises a first chlorosulfonated polyethylene paint layer 301, a first silicon carbide ceramic anticorrosive paint layer 302 and a first zinc silicate paint layer 303, and the top of the base layer 2 is fixedly connected with the first chlorosulfonated polyethylene paint layer 301.

[0025] In the specific implementation, the top of the first chlorosulfonated polyethylene paint layer 301 is fixedly connected with the first silicon carbide ceramic anticorrosive paint layer 302.

[0026] Specifically, the top of the first silicon carbide ceramic anticorrosion paint layer 302 is fixedly connected with the first zinc silicate paint layer 303.

[0027] In the specific implementation, the second protective layer 4 comprises a second chlorosulfonated polyethylene paint layer 401, a second silicon carbide ceramic anticorrosion paint layer 402 and a second zinc silicate paint layer 403, and the bottom of the base layer 2 is fixedly connected with the second chlorosulfonated polyethylene paint layer 401.

[0028] Specifically, the bottom of the second chlorosulfonated polyethylene paint layer 401 is fixedly connected with the second silicon carbide ceramic anticorrosion paint layer 402.

[0029] In the specific implementation, the bottom of the second silicon carbide ceramic anticorrosion paint layer 402 is fixedly connected with the second zinc silicate paint layer 403.

[0030] In actual application, by setting the first protective layer 3 and the second protective layer 4, the corrosion resistance of the output shaft body 1 is greatly improved, and the service life and the durability of the output shaft body 1 are greatly improved.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty vehicle steering gear output shaft comprising an output shaft body (1), characterized in that: The output shaft body (1) comprises a base layer (2), a first protective layer (3) and a second protective layer (4), the top of the base layer (2) is fixedly connected with the first protective layer (3), the first protective layer (3) comprises a first chlorosulfonated polyethylene paint layer (301), a first silicon carbide ceramic anticorrosive paint layer (302) and a first zinc silicate paint layer (303), the top of the base layer (2) is fixedly connected with the first chlorosulfonated polyethylene paint layer (301), the top of the first chlorosulfonated polyethylene paint layer (301) is fixedly connected with the first silicon carbide ceramic anticorrosive paint layer (302), the top of the first silicon carbide ceramic anticorrosive paint layer (302) is fixedly connected with the first zinc silicate paint layer (303), the bottom of the base layer (2) is fixedly connected with the second protective layer (4), the second protective layer (4) comprises a second chlorosulfonated polyethylene paint layer (401), a second silicon carbide ceramic anticorrosive paint layer (402) and a second zinc silicate paint layer (403), the bottom of the base layer (2) is fixedly connected with the second chlorosulfonated polyethylene paint layer (401), the bottom of the second chlorosulfonated polyethylene paint layer (401) is fixedly connected with the second silicon carbide ceramic anticorrosive paint layer (402).

2. A heavy duty vehicle steering gear output shaft as in claim 1 wherein: The bottom of the second silicon carbide ceramic anticorrosive paint layer (402) is fixedly connected with the second zinc silicate paint layer (403).

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