CN214647408U

CN214647408U - Lower swing arm assembly of automobile front suspension

Info

Publication number: CN214647408U
Application number: CN202022870399.2U
Authority: CN
Inventors: 傅国松
Original assignee: Shaoxing Jingshan Auto Parts Co ltd
Current assignee: Shaoxing Jingshan Auto Parts Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-09
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a swing arm assembly under suspension before car, the swing arm assembly includes: the assembly main body comprises a front lower swing arm body, a front bushing assembly, a rear bushing assembly and a ball head seat assembly, wherein the front bushing assembly and the rear bushing assembly are fixedly arranged at two ends of the lower swing arm pump body, and the ball head seat assembly is rotatably connected to one end, far away from the front bushing assembly and the rear bushing assembly, of the lower swing arm body; a connecting mechanism; the reinforcing mechanism comprises a connecting strip and a connecting pipe, the cross section of the connecting pipe is rectangular, the two ends of the connecting pipe are respectively connected to the bottom of the lower swing arm main body and the bottom of the ball cup assembly, and the two ends of the connecting pipe are respectively connected to the connecting part of the connecting pipe, the lower swing arm main body and the connecting part of the ball cup assembly. The utility model discloses made things convenient for the deflection of ball headstock assembly, played the supporting role when rotating ball headstock, also played the absorbing effect of buffering to the rotation of ball headstock simultaneously.

Description

Lower swing arm assembly of automobile front suspension

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a swing arm assembly under suspension before car.

Background

The automobile suspension is an important system on modern automobiles, and elastically connects a frame (automobile body) and an axle (wheel), and the main components of the automobile suspension comprise a front pillar assembly, a front lower swing arm assembly and a stabilizer bar device assembly. The main task of the device is to transmit force and moment between an axle and a frame bracket, buffer impact load transmitted to a frame (automobile body) from uneven road surface, attenuate vibration of a bearing system caused by the impact load, and control the motion law of wheels so as to ensure that an automobile has required smoothness and control stability. The front lower swing arm assembly is a main guide rod piece, bears road impact force and moment to control the normal running track of the wheel, and slows down the impact transmission to the frame through the deformation of the front and rear bushings on the front lower swing arm.

However, the existing lower swing arm assembly is connected between the body and the ball cup assembly through screws, and the connection mode is not only inconvenient for swinging of the ball cup, but also has great hidden trouble in installation in the running of the automobile, and the installation stability of the front suspension cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the installation mode is not stable enough and the ball cup is inconvenient to turn to in the prior art, and providing a swing arm assembly under front suspension of an automobile.

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

an automotive front suspension lower swing arm assembly, the swing arm assembly comprising:

the assembly main body comprises a front lower swing arm body, a front bushing assembly, a rear bushing assembly and a ball head seat assembly, wherein the front bushing assembly and the rear bushing assembly are fixedly arranged at two ends of the lower swing arm pump body, and the ball head seat assembly is rotatably connected to one end, far away from the front bushing assembly and the rear bushing assembly, of the lower swing arm body;

the connecting mechanism is used for connecting the front lower swing arm body and the ball head seat assembly;

the reinforcing mechanism comprises a connecting strip and a connecting pipe, the cross section of the connecting pipe is rectangular, the two ends of the connecting pipe are respectively connected to the bottom of the lower swing arm main body and the bottom of the ball cup assembly, and the two ends of the connecting pipe are respectively connected to the connecting part of the connecting pipe, the lower swing arm main body and the connecting part of the ball cup assembly.

Preferably, coupling mechanism includes pivot, interior axle sleeve and outer axle sleeve, two outer axle sleeve fixed connection are in the front on the lateral wall that the swing arm body is close to the ball headstock assembly down, interior axle sleeve one side fixed connection is in one side that the swing arm body is close to the front down in the ball headstock assembly, and overlaps and establish in the pivot, the pivot both ends are rotated and are installed inside two outer axle sleeves.

Preferably, a large number of balls are fixedly mounted between the outer shaft sleeve and the inner shaft sleeve, and the balls are annularly distributed in a gap between the outer shaft sleeve and the inner shaft sleeve.

Preferably, the connection pipe is made of an elastic material, and a predetermined amount of gas is filled inside the connection pipe.

Preferably, the two ends of the connecting pipe are flexible pipes, and the middle part of the connecting pipe is composed of a plurality of folding pipes.

Compared with the prior art, the beneficial effects of the utility model are that:

when the ball headstock assembly needs to deviate and rotate with the front lower swing arm body, two ends of the rotating shaft rotate in the outer shaft sleeve, the ball headstock assembly can deflect conveniently in the connecting mode, gas in the connecting pipe moves in the same direction when the ball headstock assembly rotates, and when the ball headstock assembly reaches a certain position, the gas cannot be compressed, so that the ball headstock assembly is supported, and meanwhile, the ball headstock assembly can rotate to buffer and damp.

Drawings

Fig. 1 is a schematic front structural view of a lower swing arm assembly of an automobile front suspension provided by the present invention;

fig. 2 is a schematic side view of a lower swing arm assembly of a front suspension of an automobile according to the present invention;

fig. 3 is a schematic side view of a lower swing arm assembly of a front suspension of an automobile according to the present invention;

fig. 4 is a partially enlarged view of a in fig. 1.

In the figure: the ball-rolling mechanism comprises a front lower swing arm body 1, a front bushing assembly 2, a rear bushing assembly 3, a ball seat assembly 4, a connecting strip 5, a connecting pipe 6, a rotating shaft 7, an inner shaft sleeve 8, an outer shaft sleeve 9 and balls 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, an automotive front suspension lower swing arm assembly includes:

the assembly comprises an assembly main body, wherein the assembly main body comprises a front lower swing arm body 1, a front bushing assembly 2, a rear bushing assembly 3 and a ball socket assembly 4, the front bushing assembly 2 and the rear bushing assembly 3 are fixedly arranged at two ends of a lower swing arm pump body, and the ball socket assembly 4 is rotatably connected at one end, far away from the front bushing assembly 2 and the rear bushing assembly 3, of the lower swing arm body;

the connecting mechanism is used for connecting the front lower swing arm body 1 and the ball head seat assembly 4;

the reinforcing mechanism comprises connecting strips 5 and connecting pipes 6, the cross sections of the connecting pipes 6 are rectangular, the two ends of each connecting pipe 6 are respectively connected to the bottom of the lower swing arm main body and the bottom of the ball cup assembly 4, and the two connecting strips 5 are fixedly connected to the connecting pipes 6 and the connecting positions of the lower swing arm main body and the ball cup assembly 4.

In the embodiment applying the technical scheme, when the ball cup assembly 4 needs to rotate in a deviation manner with the front lower swing arm body 1, two ends of the rotating shaft 7 rotate inside the outer shaft sleeve 9, so that the ball cup assembly 4 can deflect conveniently in a connecting mode, when the ball cup assembly 4 rotates, air inside the connecting pipe 6 moves in the same direction, when the ball cup assembly 4 reaches a certain position, the air cannot be compressed, the ball cup assembly 4 is supported, and meanwhile, the rotating of the ball cup assembly 4 is buffered and damped.

According to the preferable technical scheme in the embodiment, the connecting mechanism comprises a rotating shaft 7, an inner shaft sleeve 8 and outer shaft sleeves 9, the two outer shaft sleeves 9 are fixedly connected to the side wall, close to the ball cup assembly 4, of the front lower swing arm body 1, one side of the inner shaft sleeve 8 is fixedly connected to one side, close to the front lower swing arm body 1, of the ball cup assembly 4 and sleeved on the rotating shaft 7, two ends of the rotating shaft 7 are rotatably installed inside the two outer shaft sleeves 9, the connecting mechanism is arranged to facilitate the rotation of the ball cup assembly 4, the connection is firm, and the use of the lower swing arm assembly of the front suspension of the automobile is facilitated;

a large number of balls 10 are fixedly arranged between the outer shaft sleeve 9 and the inner shaft sleeve 8, the balls 10 are annularly distributed in the gap between the outer shaft sleeve 9 and the inner shaft sleeve 8, and the arrangement of the balls 10 reduces the friction between the outer shaft sleeve 9 and the inner shaft sleeve 8, so that the rotation of the ball head seat assembly 4 is more convenient;

the connecting pipe 6 is made of elastic materials, and is filled with quantitative gas, the gas has light weight, the normal work of the lower swing arm of the front suspension cannot be influenced, and the ball cup assembly 4 can be supported when the ball cup assembly 4 rotates;

the two ends of the connecting pipe 6 are flexible pipes, and the middle part of the connecting pipe is composed of a plurality of folding pipes, so that the connecting pipe 6 can support the ball seat assembly 4 to a certain extent when the ball seat assembly 4 deflects.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a swing arm assembly under car front suspension which characterized in that, the swing arm assembly includes:

the assembly comprises an assembly main body, wherein the assembly main body comprises a front lower swing arm body (1), a front bushing assembly (2), a rear bushing assembly (3) and a ball socket assembly (4), the front bushing assembly (2) and the rear bushing assembly (3) are fixedly installed at two ends of a lower swing arm pump body, and the ball socket assembly (4) is rotatably connected to one end, far away from the front bushing assembly (2) and the rear bushing assembly (3), of the lower swing arm body;

the connecting mechanism is used for connecting the front lower swing arm body (1) and the ball seat assembly (4);

reinforcing mechanism, reinforcing mechanism includes connecting strip (5) and connecting pipe (6), connecting pipe (6) cross-section is the rectangle, connecting pipe (6) both ends are the bottom of swing arm main part and the bottom of bulb seat assembly (4) down before individual connection respectively, two connecting strip (5) fixed connection is in connecting pipe (6) and the junction of lower swing arm main part and bulb seat assembly (4).

2. The automobile front suspension lower swing arm assembly according to claim 1, wherein the connecting mechanism comprises a rotating shaft (7), an inner shaft sleeve (8) and an outer shaft sleeve (9), the two outer shaft sleeves (9) are fixedly connected to the side wall of the front lower swing arm body (1) close to the ball cup assembly (4), one side of the inner shaft sleeve (8) is fixedly connected to one side of the ball cup assembly (4) close to the front lower swing arm body (1) and sleeved on the rotating shaft (7), and two ends of the rotating shaft (7) are rotatably installed inside the two outer shaft sleeves (9).

3. The automobile front suspension lower swing arm assembly according to claim 2, characterized in that a plurality of balls (10) are fixedly installed between the outer bushing (9) and the inner bushing (8), and a plurality of balls (10) are annularly distributed at a gap between the outer bushing (9) and the inner bushing (8).

4. The lower swing arm assembly of the front suspension of the automobile according to claim 1, wherein the connecting tube (6) is made of elastic material and filled with a certain amount of gas.

5. The lower swing arm assembly of the front suspension of the automobile according to claim 1, wherein the two ends of the connecting pipe (6) are flexible pipes, and the middle part of the connecting pipe is composed of a plurality of folding pipes.