Hollow piston rod of shock absorber for light-weight automobile

Abstract

The utility model discloses a lightweight automobile shock absorber hollow piston rod which comprises a hollow rod body, the top and the bottom of the hollow rod body are respectively provided with a detachable connecting lug and a detachable connecting column, the bottom of the connecting lug is fixedly connected with a mounting plate, and the bottom of the mounting plate is fixedly connected with a mounting block matched with the hollow rod body. Threaded clamping pins used for fixing the mounting blocks are arranged at the positions, corresponding to the mounting blocks, of the side face of the hollow rod body. According to the utility model, the threaded bayonet lock is separated from the corresponding clamping groove by screwing the threaded bayonet lock and under the thread action of the threaded bayonet lock and the internal thread, so that the connecting lug can be conveniently disassembled, and meanwhile, the threaded stud is driven to rotate by screwing the fixed plate, so that the connecting lug can be conveniently disassembled under the thread action of the threaded stud and the threaded groove. And the connecting column at the bottom of the fixing plate is conveniently detached, so that the convenience of maintaining the piston rod is improved, and the practicability of the piston rod is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to piston rod technical field, especially a light hollow piston rod for shock absorber of light -duty car. BACKGROUND

[0002] Piston rod as the most key rotation connecting component in the automobile shock absorber, has been the object that the shock absorber manufacturer researches. The quality performance factors of shock absorber product are decided by the piston rod. For example, the straightness of piston rod affects the lateral force resistance of shock absorber, abnormal sound;The surface plating effect of piston rod affects the service life of shock absorber, sealing effect;The surface hardness of piston rod affects the stability of the whole vehicle and driving;Of course, from the perspective of profit maximization of manufacturing enterprises, as the highest cost component in an ordinary hydraulic shock absorber, the material cost of piston rod directly affects the profit of product, the most critical is that under the current automobile whole vehicle pursues low energy consumption market prospect, light automobile parts are more and more recognized by the market.

[0003] The hollow piston rod of the shock absorber disclosed by the patent with publication (announcement) number CN209041420U comprises a cylindrical rod body, the rod body is hollow inside to form a hollow cavity, sealing plugs are sleeved on the front end and the rear end of the rod body, the sealing plugs are fixed on the front end and the rear end of the rod body through friction welding, and the hollow cavity is sealed by the sealing plugs, a gas hole is formed on the sealing plug at the front end of the rod body, the gas hole is communicated with the hollow cavity, a piston end head is fixed on the gas hole, the piston end head comprises a gas pipe and a piston head, the gas pipe is inserted into the gas hole, and the piston head seals the gas pipe, a vehicle mounting end head is fixed on the sealing plug at the rear end of the rod body through a bearing, and the vehicle mounting end head is fixed on the external automobile chassis.

[0004] Although the above technical scheme solves the corresponding technical problems, the above technical scheme still has the following defects:

[0005] The above technical scheme is not convenient to disassemble, so that the operation is more cumbersome in the subsequent maintenance process. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a light hollow piston rod for shock absorber of light -duty car, not only through the screwing of threaded pin, and under the thread effect of threaded pin and internal thread, make threaded pin separate corresponding card slot, so that the convenient disassembly of connecting lug can be realized, simultaneously, through the screwing of fixed plate, and drive threaded column rotation, therefore can under the thread effect of threaded column and thread groove, the connecting column at the bottom of fixed plate is conveniently disassembled, so as to increase the convenience of the maintenance of the utility model piston rod, and therefore improve the practicability of the utility model.

[0007] To achieve the above object, the utility model adopts the main technical scheme includes:

[0008] A hollow piston rod for shock absorber of light weight automobile, it includes:

[0009] The hollow rod body's top and bottom are equipped with detachable connecting lug and connecting column respectively.

[0010] The hollow piston rod for shock absorber of light weight automobile, wherein, the bottom of the connecting lug is fixedly connected with the mounting plate, and the bottom of the mounting plate is fixedly connected with the mounting block matched with the hollow rod body.

[0011] The hollow piston rod for shock absorber of light weight automobile, wherein, the side of the hollow rod body and the position corresponding to the mounting block are provided with the threaded pin for fixing the mounting block, the side of the hollow rod body and the position corresponding to the threaded pin are provided with the internal thread matched with the threaded pin, and the side of the hollow rod body and the position corresponding to the threaded pin are provided with the clamping groove matched with the threaded pin.

[0012] The hollow piston rod for shock absorber of light weight automobile, wherein, the top of the connecting column is fixedly connected with the fixed plate, and the bottom of the hollow rod body and the position corresponding to the fixed plate are provided with the fixed seat matched with the fixed plate.

[0013] The hollow piston rod for shock absorber of light weight automobile, wherein, the top of the fixed plate is fixedly connected with the threaded column, and the bottom of the fixed seat and the position corresponding to the threaded column are provided with the threaded groove matched with the threaded column.

[0014] The hollow piston rod for shock absorber of light weight automobile, wherein, the side of the hollow rod body and the position corresponding to the accommodating groove are provided with the accommodating groove for accommodating the threaded pin.

[0015] The hollow piston rod for shock absorber of light weight automobile, wherein, the side of the hollow rod body and the position corresponding to the accommodating groove are provided with the decorative sealing cover matched with the accommodating groove.

[0016] The utility model at least has the following beneficial effects:

[0017] The utility model discloses a hollow piston rod for shock absorber of light weight automobile, not only through the screwing thread snap pin, and under the thread effect of thread snap pin and internal thread, make thread snap pin separate corresponding clamping groove, can realize the convenient disassembly of connecting lug to, simultaneously, through the screwing fixed plate, and drive thread column rotation, can therefore under the thread effect of thread column and thread groove, the connecting column of fixed plate bottom is convenient disassembly, thereby increase the convenient maintenance of piston rod of the utility model, also therefore improved the practicability of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application, but do not limit the present application. In the drawings:

[0019] Figure 1 It is the structure schematic diagram of hollow piston rod for shock absorber of light weight automobile of the utility model;

[0020] Figure 2 It is the sectional structure schematic diagram of hollow piston rod for shock absorber of light weight automobile of the utility model;

[0021] Figure 3 It is the structure schematic diagram of connecting lug in hollow piston rod for shock absorber of light weight automobile of the utility model;

[0022] Figure 4 It is the structure schematic diagram of thread snap pin in hollow piston rod for shock absorber of light weight automobile of the utility model;

[0023] Figure 5 It is the structure schematic diagram of connecting column in hollow piston rod for shock absorber of light weight automobile of the utility model.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, hollow rod body;2, connecting lug;3, connecting column;

[0026] 201, mounting plate;2011, mounting block;

[0027] 202, thread snap pin;2021, internal thread;2022, clamping groove;

[0028] 203, accommodating groove;2031, decorative sealing cover;

[0029] 301, fixed plate;3011, fixed seat;

[0030] 302, thread column;3021, thread groove. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0032] Please refer to Figures 1 to 5 The hollow piston rod for light-weight automobile shock absorber provided by the embodiment of the present application comprises: a hollow rod body 1, and detachable connecting ears 2 and connecting columns 3 are respectively installed on the top and bottom of the hollow rod body 1.

[0033] Please refer to Figures 1 to 5 The bottom of the connecting ear 2 is fixedly connected with a mounting plate 201, and the bottom of the mounting plate 201 is fixedly connected with a mounting block 2011 matched with the hollow rod body 1.

[0034] Please refer to Figures 1 to 5 The side of the hollow rod body 1 is provided with a threaded pin 202 for fixing the mounting block 2011 at a position corresponding to the mounting block 2011, the side of the hollow rod body 1 is provided with an internal thread 2021 matched with the threaded pin 202 at a position corresponding to the threaded pin 202, and the side of the hollow rod body 1 is provided with a clamping groove 2022 matched with the threaded pin 202 at a position corresponding to the threaded pin 202.

[0035] Please refer to Figures 1 to 5 The top of the connecting column 3 is fixedly connected with a fixed plate 301, and the bottom of the hollow rod body 1 is provided with a fixed seat 3011 matched with the fixed plate 301 at a position corresponding to the fixed plate 301.

[0036] Please refer to Figures 1 to 5 The top of the fixed plate 301 is fixedly connected with a threaded column 302, and the bottom of the fixed seat 3011 is provided with a threaded groove 3021 matched with the threaded column 302 at a position corresponding to the threaded column 302.

[0037] Please refer to Figures 1 to 5 The side of the hollow rod body 1 is provided with a receiving groove 203 for receiving the threaded pin 202 at a position corresponding to the receiving groove 203.

[0038] By adopting the above technical scheme, the threaded pin 202 is accommodated by the receiving groove 203.

[0039] Please refer to Figures 1 to 5 The side of the hollow rod body 1 is provided with a decorative sealing cover 2031 matched with the receiving groove 203 at a position corresponding to the receiving groove 203.

[0040] By adopting the above technical scheme, the threaded pin 202 is sealed and covered by the decorative sealing cover 2031.

[0041] The working principle of the utility model is: not only through the screwing thread pin 202, and under the thread effect of the screw thread pin 202 and the internal thread 2021, make the screw thread pin 202 separate from the corresponding card slot 2022, so that the convenient disassembly of the connecting ear 2 can be realized, at the same time, through the screwing fixed plate 301, and drive the screw column 302 rotation, therefore can under the thread effect of the screw column 302 and the screw groove 3021, the connecting column 3 at the bottom of the fixed plate 301 is conveniently disassembled, so as to increase the convenience of the utility model piston rod maintenance, also therefore improve the practicability of the utility model.

[0042] The above description shows and describes several preferred embodiments of the utility model, but as mentioned before, the utility model should not be limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified by the above teaching or related technology or knowledge within the scope of the utility model concept described herein. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A lightweight hollow piston rod for a shock absorber for a motor vehicle, comprising a hollow rod body (1), characterized in that The top and bottom of the hollow rod body (1) are respectively provided with a detachable connecting lug (2) and a connecting column (3); The bottom of the connecting lug (2) is fixedly connected with a mounting plate (201), and the bottom of the mounting plate (201) is fixedly connected with a mounting block (2011) matched with the hollow rod body (1); The side of the hollow rod body (1) and the position corresponding to the mounting block (2011) are provided with a threaded pin (202) for fixing the mounting block (2011), the side of the hollow rod body (1) and the position corresponding to the threaded pin (202) are provided with an internal thread (2021) matched with the threaded pin (202), and the side of the hollow rod body (1) and the position corresponding to the threaded pin (202) are provided with a clamping groove (2022) matched with the threaded pin (202); The top of the connecting column (3) is fixedly connected with a fixed plate (301), and the bottom of the hollow rod body (1) and the position corresponding to the fixed plate (301) are provided with a fixed seat (3011) matched with the fixed plate (301); The top of the fixed plate (301) is fixedly connected with a threaded column (302), and the bottom of the fixed seat (3011) and the position corresponding to the threaded column (302) are provided with a threaded groove (3021) matched with the threaded column (302).

2. The hollow piston rod for a shock absorber for a light-weight vehicle according to claim 1, characterized in that: The side of the hollow rod body (1) and the position corresponding to the accommodating groove (203) are provided with an accommodating groove (203) for accommodating the threaded pin (202).

3. The hollow piston rod for a shock absorber for a light-weight vehicle according to claim 2, characterized in that: The side of the hollow rod body (1) and the position corresponding to the accommodating groove (203) are provided with a decorative sealing cover (2031) matched with the accommodating groove (203).

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