CN216268530U - Automobile chassis trailing arm with large section change rate - Google Patents

Abstract

The utility model provides an automobile chassis longitudinal arm with a large section change rate, which comprises a chassis longitudinal arm main body, wherein longitudinal arm connectors are arranged at two ends of the chassis longitudinal arm main body, a longitudinal arm fixing mechanism is arranged at one end of each longitudinal arm connector, the chassis longitudinal arm main body comprises longitudinal arm superposed sub-plates, the longitudinal arm superposed sub-plates are mutually superposed and mounted, a connecting auxiliary clamping plate is arranged at the end part of each longitudinal arm superposed sub-plate, and an auxiliary supporting spring is fixedly connected to the inner side of each connecting auxiliary clamping plate; according to the utility model, through the arrangement of the longitudinal arm superposed sub-plates, the connecting auxiliary clamping plates and the auxiliary supporting springs, when the device is used, the auxiliary supporting springs and the connecting auxiliary clamping plates are used for supporting the longitudinal arm superposed sub-plates, and when the longitudinal arm superposed sub-plates deform under stress, the auxiliary supporting springs can be extruded by the longitudinal arm superposed sub-plates to provide elastic auxiliary buffering, so that the phenomenon of damage to the longitudinal arms is reduced.

Description

Automobile chassis trailing arm with large section change rate

Technical Field

The utility model relates to the technical field of automobile chassis, in particular to an automobile chassis trailing arm with a large section change rate.

Background

The automobile chassis consists of four parts, namely a transmission system, a running system, a steering system and a braking system. The chassis is used for supporting and mounting the automobile engine and all parts and assemblies thereof, forming the integral shape of the automobile and receiving the power of the engine to enable the automobile to move and ensure normal running. The trailing arm suspension is a suspension structure with wheels swinging in the longitudinal plane of an automobile and is divided into a single trailing arm type and a double trailing arm type. The trailing arm type suspension is not used for a steered wheel because the trailing arm type suspension causes a large change in caster angle when the wheel is jumped up and down. The two arms of a double trailing arm suspension are typically made to be equal in length to form a parallel four-bar configuration so that the caster angle of the kingpin remains constant as the wheel jounces up and down. Double trailing arm suspensions are often used on steerable wheels.

The existing large-section-change-rate automobile chassis trailing arm is stressed when in use, the trailing arm deforms, and the connection part cracks due to long-term vibration, so that the automobile chassis deforms and is damaged.

Disclosure of Invention

The utility model aims to solve the defects that the longitudinal arm of an automobile chassis is deformed when being stressed during use and the connecting part is cracked due to long-term vibration in the prior art, so that the automobile chassis is deformed and damaged, and provides the longitudinal arm of the automobile chassis with a large section change rate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a large cross-section rate of change's vehicle chassis trailing arm, includes chassis trailing arm main part, the both ends of chassis trailing arm main part are provided with the trailing arm connector, the one end of trailing arm connector is provided with trailing arm fixed establishment, chassis trailing arm main part includes the trailing arm stack and divides the board, and the trailing arm stack divides the mutual stack installation of board, the tip that the board was divided in the trailing arm stack is provided with connects supplementary cardboard, connect the inboard fixedly connected with auxiliary support spring of supplementary cardboard, the trailing arm stack divide the one end of board insert connect in the supplementary cardboard and with auxiliary support spring's one end fixed connection.

Further, the longitudinal arm stacking sub-plate is arc-shaped, a reinforcing plate installing clamping groove is formed in the surface of the longitudinal arm stacking sub-plate, and the longitudinal arm reinforcing plate is clamped on the inner side of the reinforcing plate installing clamping groove.

Furthermore, the outer side of the longitudinal arm main body of the chassis is provided with a longitudinal arm reinforcing plate, and the longitudinal arm reinforcing plate and the longitudinal arm stacking sub-plate are fixedly connected through bolts.

Furthermore, a longitudinal arm fixing plate is arranged on one side of the longitudinal arm main body of the chassis, the longitudinal arm fixing plate is fixedly connected with the longitudinal arm stacking sub-plate, and the position of the longitudinal arm fixing plate corresponds to the position of the longitudinal arm reinforcing plate.

Further, trailing arm fixed establishment includes the outer joint head, outer joint head and trailing arm connector formula structure as an organic whole, the inboard of outer joint head is provided with the inner connecting cover, be provided with the elastic support ring between inner connecting cover and the outer joint head, the inside and outside both sides of elastic support ring respectively with outer joint head and inner connecting cover fixed connection.

Furthermore, the cross-sectional shape of connecting supplementary cardboard sets up to the L type, and supplementary supporting spring installs in connecting supplementary cardboard and the recess that the longitudinal arm stack divides the board to constitute, and the size of recess and the longitudinal arm stack divide the size phase-match in the board one end. .

The utility model has the beneficial effects that:

1. divide the board, connect supplementary cardboard, auxiliary stay spring through the trailing arm stack that sets up, support between the board is divided to the trailing arm stack through auxiliary stay spring and connection supplementary cardboard when using, divide the board atress to warp at the trailing arm stack and can divide board extrusion auxiliary stay spring to provide elasticity supplementary buffering through the trailing arm stack to reduce the phenomenon that the damage appears in the trailing arm.

2. Through the trailing arm reinforcing plate and reinforcing plate installation draw-in groove of design, pass through trailing arm reinforcing plate and reinforcing plate installation draw-in groove block between the trailing arm stack divides the board when connecting between the trailing arm stack divides the board to divide the board to add the reinforcement to the trailing arm stack, reduce the phenomenon that the trailing arm stack divides the board to appear the atress deformation.

3. Through the trailing arm fixed establishment of design, install on vehicle chassis through inner connecting cover and elasticity support ring assistance during the use to through elasticity and the support of elasticity support ring, thereby reduce the phenomenon that fatigue damage appears in the junction atress.

Drawings

FIG. 1 is a schematic structural diagram of a longitudinal arm of an automobile chassis with a large section change rate according to the present invention;

FIG. 2 is a schematic structural diagram of a main body of a trailing arm of an automobile chassis with a large cross-sectional change rate according to the present invention;

fig. 3 is a schematic structural view of a trailing arm fixing mechanism of a trailing arm of an automobile chassis with a large cross-section change rate according to the utility model.

In the figure: the device comprises a chassis longitudinal arm main body 1, a longitudinal arm connector 2, a longitudinal arm fixing mechanism 3, a longitudinal arm reinforcing plate 4, a longitudinal arm fixing plate 5, a longitudinal arm stacking sub-plate 6, a longitudinal arm reinforcing plate 7, a reinforcing plate mounting clamping groove 8, a connecting auxiliary clamping plate 9, an auxiliary supporting spring 10, an external connector 11, an internal connecting sleeve 12 and an elastic supporting ring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an automobile chassis trailing arm with a large cross-section change rate includes a chassis trailing arm main body 1, trailing arm connectors 2 are disposed at two ends of the chassis trailing arm main body 1, a trailing arm fixing mechanism 3 is disposed at one end of each of the trailing arm connectors 2, the chassis trailing arm main body 1 includes trailing arm stacking sub-plates 6, the trailing arm stacking sub-plates 6 are stacked on each other, a connecting auxiliary clamping plate 9 is disposed at an end of each of the trailing arm stacking sub-plates 6, an auxiliary support spring 10 is fixedly connected to an inner side of the connecting auxiliary clamping plate 9, one end of each of the trailing arm stacking sub-plates 6 is inserted into the connecting auxiliary clamping plate 9 and is fixedly connected to one end of the auxiliary support spring 10, when the trailing arm stacking sub-plates 6 are in use, the auxiliary support spring 10 is supported between the trailing arm stacking sub-plates 6 by the auxiliary support spring 10 and the connecting auxiliary clamping plate 9, when the trailing arm stacking sub-plates 6 deform under a force, the auxiliary support spring 10 is squeezed by the trailing arm stacking sub-plates 6 to provide an elastic auxiliary buffer, thereby reducing the phenomenon that the trailing arm is damaged.

Further, the longitudinal arm stacking and splitting plate 6 is arranged to be arc-shaped, the surface of the longitudinal arm stacking and splitting plate 6 is provided with a reinforcing plate installing clamping groove 8, the inner side of the reinforcing plate installing clamping groove 8 is clamped with a longitudinal arm reinforcing plate 7, and the longitudinal arm stacking and splitting plate 6 is matched with the longitudinal arm reinforcing plate 7 to be higher in strength when in use, so that the deformation phenomenon is reduced.

Further, the outer side of the chassis longitudinal arm main body 1 is provided with a longitudinal arm reinforcing plate 4, the longitudinal arm reinforcing plate 4 is fixedly connected with the longitudinal arm stacking sub plate 6 through a bolt, one side of the chassis longitudinal arm main body 1 is provided with a longitudinal arm fixing plate 5, the longitudinal arm fixing plate 5 is fixedly connected with the longitudinal arm stacking sub plate 6, the position of the longitudinal arm fixing plate 5 corresponds to the position of the longitudinal arm reinforcing plate 4, and the longitudinal arm stacking sub plate 6 is fixedly reinforced in the middle of the chassis longitudinal arm main body 1 through the longitudinal arm reinforcing plate 4 and the longitudinal arm fixing plate 5.

Further, trailing arm fixed establishment 3 includes outer joint head 11, outer joint head 11 and 2 formula structures as an organic whole of trailing arm connector, the inboard of outer joint head 11 is provided with interior adapter sleeve 12, be provided with elastic support ring 13 between interior adapter sleeve 12 and the outer joint head 11, elastic support ring 13's inside and outside both sides respectively with outer joint head 11 and interior adapter sleeve 12 fixed connection, pass through elastic support ring 13 and the 12 auxiliary stay of interior adapter sleeve in the installation, chassis vibration can reduce the tired nature damage of trailing arm junction appearance through elastic support ring 13's elasticity when using.

Further, the cross sectional shape of connecting supplementary cardboard 9 sets up to the L type, and supplementary supporting spring 10 installs and divides the recess that board 6 is constituteed in connecting supplementary cardboard 9 and trailing arm stack, and the size phase-match in the size of recess and the trailing arm stack divides board 6 one end, makes trailing arm stack divide board 6 to be connected more stably with connecting supplementary cardboard 9 when using.

The working principle is as follows: when the automobile chassis is used, the chassis longitudinal arm main body 1 is formed by superposing and fixing longitudinal arm plates 6, a longitudinal arm reinforcing plate 7 is filled in a reinforcing plate mounting clamping groove 8 between the longitudinal arm superposed and divided plates 6, one end of the longitudinal arm superposed and divided plate 6 on the lower side is clamped in a connecting auxiliary clamping plate 9 at two ends of the longitudinal arm superposed and divided plate 6 on the upper side, the longitudinal arm superposed and divided plate 6 is fixedly connected with an auxiliary supporting spring 10, the middle part of the chassis longitudinal arm main body 1 is fixed with the longitudinal arm superposed and divided plate 6 through the longitudinal arm reinforcing plate 4 and the longitudinal arm fixing plate 5, the longitudinal arm superposed and divided plate 6 is fixed on the automobile chassis through the longitudinal arm connector 2 and the longitudinal arm fixing mechanism 3, the chassis is used on the automobile chassis through the elastic support ring 13 and the inner connecting sleeve 12 for auxiliary supporting, and the phenomenon of fatigue damage at the longitudinal arm connector can be reduced through the elasticity of the elastic support ring 13 during the use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a large cross-section rate of change's vehicle chassis trailing arm, its characterized in that, includes chassis trailing arm main part (1), the both ends of chassis trailing arm main part (1) are provided with trailing arm connector (2), the one end of trailing arm connector (2) is provided with trailing arm fixed establishment (3), chassis trailing arm main part (1) includes that the trailing arm superposes and divides board (6), and the trailing arm superposes and divide board (6) installation each other, the tip that the trailing arm superposes and divide board (6) is provided with connects supplementary cardboard (9), the inboard fixedly connected with auxiliary supporting spring (10) of connecting supplementary cardboard (9), the trailing arm superposes the one end of dividing board (6) and inserts in connecting supplementary cardboard (9) and with the one end fixed connection of auxiliary supporting spring (10).

2. The automobile chassis trailing arm with large section change rate according to claim 1, wherein the trailing arm overlapping sub-plate (6) is arc-shaped, a reinforcing plate installation clamping groove (8) is formed in the surface of the trailing arm overlapping sub-plate (6), and a trailing arm reinforcing plate (7) is clamped on the inner side of the reinforcing plate installation clamping groove (8).

3. The automotive chassis trailing arm with the large section change rate as claimed in claim 1, wherein a trailing arm reinforcing plate (4) is arranged on the outer side of the chassis trailing arm main body (1), and the trailing arm reinforcing plate (4) is fixedly connected with the trailing arm stacking sub-plate (6) through bolts.

4. The automotive chassis trailing arm with the large section change rate as claimed in claim 3, wherein a trailing arm fixing plate (5) is arranged on one side of the chassis trailing arm main body (1), the trailing arm fixing plate (5) is fixedly connected with a trailing arm overlapping sub-plate (6), and the position of the trailing arm fixing plate (5) corresponds to the position of a trailing arm reinforcing plate (4).

5. The automotive chassis trailing arm with large cross-section change rate according to claim 1, wherein the trailing arm fixing mechanism (3) comprises an outer connector (11), the outer connector (11) and the trailing arm connector (2) are of an integral structure, an inner connecting sleeve (12) is arranged on the inner side of the outer connector (11), an elastic support ring (13) is arranged between the inner connecting sleeve (12) and the outer connector (11), and the inner side and the outer side of the elastic support ring (13) are respectively and fixedly connected with the outer connector (11) and the inner connecting sleeve (12).

6. The automobile chassis trailing arm with large section change rate according to claim 1, characterized in that the cross-sectional shape of the connecting auxiliary clamping plate (9) is L-shaped, and the auxiliary supporting spring (10) is installed in a groove formed by the connecting auxiliary clamping plate (9) and the trailing arm overlapping sub-plate (6), and the size of the groove is matched with the size in one end of the trailing arm overlapping sub-plate (6).

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