CN210941242U

CN210941242U - Automobile front pillar assembly

Info

Publication number: CN210941242U
Application number: CN201922175528.3U
Authority: CN
Inventors: 李莉
Original assignee: Wuhan Tianshun Auto Parts Co ltd
Current assignee: Wuhan Tianshun Auto Parts Co ltd
Priority date: 2019-12-08
Filing date: 2019-12-08
Publication date: 2020-07-07
Anticipated expiration: 2029-12-08

Abstract

The utility model discloses a pillar assembly before car, including crossbeam and two bearing bars, two bearing bars link to each other with the crossbeam both ends respectively, and on two bearing bars respectively fixed cover be equipped with looks welded spacing flange and one-level spring, two bearing bar upper ends all slip the cover and be equipped with the loop bar. The utility model connects the bearing rods at the two ends of the beam, the bearing rods are elastically sleeved with the supporting sleeve rods by the primary springs, the sleeve rods are externally provided with the side pipes communicated with the sleeve rods, and the primary pistons and the secondary pistons are correspondingly arranged in the sleeve rods and the side pipes; through set up the extension board by powerful spring elastic support on the crossbeam, set up the clamp plate between extension board and loop bar for loop bar and bearing bar are at the atress in-process, one-level piston and second grade piston atress motion, and under the combined action of one-level spring and second grade spring, with the stability of the loop bar of ensureing to be connected with the car bulk phase, thereby guarantee that preceding strut mechanism can provide the supporting role that has steady buffering for the car is whole.

Description

Automobile front pillar assembly

Technical Field

The utility model relates to an automobile manufacturing technical field especially relates to a post assembly before car.

Background

In recent years, autonomous automobile manufacturing industry in China is rapidly developed, and the front pillars of the automobile are used as indispensable key parts in the automobile manufacturing industry and have very important functions of strong support and stable operation of the whole automobile. Specifically, the front pillar assembly of the automobile functions to elastically connect the knuckle and the vehicle body and to mitigate the impact of the road surface.

Under the traditional technology, a front pillar assembly of an automobile consists of a shock absorber assembly, a front spiral spring, a front pillar buffer block, a spiral spring upper seat, a bearing and a fixing nut, wherein the spiral spring upper seat is a rigid part without buffering, and when wheels of the automobile are in contact with the ground in the driving process, the automobile can be impacted to a certain extent, so that the automobile body can be strongly vibrated; in addition, the single coil spring lacks sufficient support stability, because the spring has a long deformation period and a large amplitude, which may increase the motion amplitude of the car during the buffering process and may generate impulsive noise. Under the condition, the reliability of the front strut assembly is poor in the movement process, and the separation of all parts is easily caused, so that the driving safety of the automobile is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the automobile front strut is difficult to utilize among the prior art to provide the shock attenuation support for the automobile, and the automobile front strut assembly who provides.

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

an automobile front pillar assembly comprises a cross beam and two bearing rods, wherein the two bearing rods are respectively connected with two ends of the cross beam, and the two bearing rods are respectively and fixedly sleeved with a limiting flange and a primary spring which are welded with each other, the upper ends of the two bearing rods are respectively and slidably sleeved with a sleeve rod, the upper end of the bearing rod positioned in the loop bar is fixedly connected with a primary piston, the upper end of the loop bar is communicated with an air pipe, the other end of the air pipe is hermetically connected with a side pipe, the loop bar is horizontally welded with a bracket which is vertically corresponding to the side pipe, the lower end of the side pipe is slidably sleeved with a slide bar which movably penetrates through the bracket, and the upper end of the slide bar in the side tube is fixedly connected with a secondary piston, the slide bar is respectively sleeved with a limiting plate and a secondary spring which are welded with each other, and a support plate and a powerful spring which are connected are correspondingly arranged at two ends of the cross beam, and a support rod is connected between the support plate and the loop bar through a pin shaft.

Preferably, the cross beam is horizontally arranged, and the two vertically arranged bearing rods are positioned above the two ends of the cross beam.

Preferably, the limiting flange and the primary spring are arranged from top to bottom, and the upper end of the primary spring, which is far away from the limiting flange, is welded with the opening at the lower end of the loop bar.

Preferably, the primary piston and the secondary piston are respectively slidably sleeved in the loop bar and the side pipe.

Preferably, the limiting plate and the secondary spring are located between the side tube and the support from top to bottom, the limiting plate is movably abutted to the opening at the lower end of the side tube, and the lower end of the secondary spring, which is far away from the limiting plate, is welded to the support.

Preferably, one end of the support plate is rotatably connected to the cross beam, and one end of the strong spring welded to the cross beam is connected to the support plate.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses an install the bearing bar perpendicularly on the crossbeam both ends, utilize one-level spring elastic support loop bar on the bearing bar to during the loop bar was located to the one-level piston movable sleeve that makes on the bearing bar, through set up the side pipe that is linked together with the loop bar outside the sleeve pipe, utilize second grade spring elastic support slip cap to locate slide bar and second grade piston in the side pipe on the support that corresponds perpendicularly, provide the supporting role that has balanced buffering for bearing bar and loop bar.

2. The utility model discloses utilize powerful spring to support the extension board that can deflect on the crossbeam, through round pin hub connection branch between extension board and loop bar, can the crossbeam for the fulcrum provide for the loop bar maintain steady supporting role to for the loop bar dispersion supporting role that is connected with automobile main body, help ensureing the atress balance of loop bar.

To sum up, the utility model connects the bearing rods on the two ends of the beam, the bearing rods are elastically sleeved with the supporting loop bars by the primary springs, the loop bars are externally provided with the side pipes communicated with the loop bars, and the primary pistons and the secondary pistons are correspondingly arranged in the loop bars and the side pipes; through set up the extension board by powerful spring elastic support on the crossbeam, set up the clamp plate between extension board and loop bar for loop bar and bearing bar are at the atress in-process, one-level piston and second grade piston atress motion, and under the combined action of one-level spring and second grade spring, with the stability of the loop bar of ensureing to be connected with the car bulk phase, thereby guarantee that preceding strut mechanism can provide the supporting role that has steady buffering for the car is whole.

Drawings

Fig. 1 is a schematic structural view of an automotive front pillar assembly according to the present invention;

FIG. 2 is an enlarged view of a portion A of the front pillar assembly of the present invention;

fig. 3 is an enlarged view of a portion B of the structure of the front pillar assembly of the vehicle according to the present invention.

In the figure: the device comprises a cross beam 1, a bearing rod 2, a limiting flange 3, a first-level spring 4, a first-level piston 5, a loop bar 6, an air pipe 7, a side pipe 8, a bracket 9, a sliding rod 10, a second-level piston 11, a limiting plate 12, a second-level spring 13, a support plate 14, a strong spring 15 and a support rod 16.

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.

Referring to fig. 1-3, an automobile front pillar assembly comprises a cross beam 1 and two bearing rods 2, wherein the two bearing rods 2 are respectively connected with two ends of the cross beam 1, the two bearing rods 2 are respectively and fixedly sleeved with a limiting flange 3 and a primary spring 4 which are welded, the upper ends of the two bearing rods 2 are respectively and slidably sleeved with a loop bar 6, the upper end of the bearing rod 2, which is positioned in the loop bar 6, is fixedly connected with a primary piston 5, the loop bar 7 is of a hollow structure with an open lower end so as to movably sleeve the bearing rod 2 and the primary piston 5, the upper end of the loop bar 6 is communicated with an air pipe 7, the other end of the air pipe 7 is hermetically connected with a side pipe 8, the loop bar 6 is horizontally welded with a bracket 9 which is vertically corresponding to the side pipe 8, the lower end of the side pipe 8 is slidably sleeved with a slide rod 10 which movably penetrates through the bracket 9, and the upper end of the, the number of the side pipes 8 is 3-4, the side pipes are distributed at the periphery of the sleeve 6 in an equidistant mode, the sliding rod 10 is respectively sleeved with a limiting plate 12 and a second-stage spring 13 which are welded with each other, the sliding rod 10 penetrates through the lower end of the support 9 and is fixedly connected with a limiting block, so that the sliding rod 10 is limited on the support 9, two ends of the cross beam 1 are correspondingly provided with a supporting plate 14 and a strong spring 15 which are connected with each other, a supporting rod 16 is connected between the supporting plate 14 and the sleeve 6 in a pin shaft mode, and the supporting.

The crossbeam 1 level sets up, and two perpendicular bearing bars 2 that set up are located crossbeam 1 both ends top, and two bearing bars 2 lower extremes extend perpendicularly to in-wheel hub mechanism's installation.

The limiting flange 3 and the first-stage spring 4 are arranged from top to bottom, the upper end, far away from the limiting flange 3, of the first-stage spring 4 is welded with the lower end opening of the loop bar 6, so that the loop bar 6 is elastically supported, the first-stage piston 5 and the second-stage piston 11 are respectively sleeved in the loop bar 6 and the side pipe 8 in a sliding mode, and when the loop bar 6 is stressed, the first-stage piston 5 can move up and down in the loop bar 6.

The limiting plate 12 and the secondary spring 13 are located between the side tube 8 and the support 9 from top to bottom, the limiting plate 12 is movably abutted to an opening at the lower end of the side tube 8, and the lower end of the secondary spring 13, which is far away from the limiting plate 12, is welded with the support 9 to elastically limit the sliding rod 10, so that the secondary piston 11 can slide up and down in the side tube 8.

One end of the support plate 14 is rotatably connected to the cross beam 1, and one end of a strong spring 15 welded to the cross beam 1 is connected to the support plate 14, it should be noted that the strong spring 15 is inclined by 0-15 ° so as to provide a matched support function for the support plate 14 which is deflected by force.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

when the automobile body extrudes the loop bar 6:

firstly, the loop bar 6 moves downwards by the fulcrum of the bearing bar 2, and extrudes the primary spring 4, and the primary spring 4 is compressed;

secondly, the bearing rod 2 drives the primary piston 5 to slide towards the upper end of the loop bar 6, and extrudes the gas in the loop bar 6, so that the gas enters the side tube 8 through the gas tube 7;

thirdly, the gas in the side pipe 8 further extrudes the secondary piston 11, the secondary piston 11 is forced to drive the slide rod 10 to extend outwards towards the lower end of the side pipe 8, and the secondary spring 13 is extruded through the limiting plate 12;

fourthly, in the process that the loop bar 6 is forced to move downwards, the supporting plate 14 is extruded through the supporting rod 16, the supporting plate 14 is forced to extrude the strong spring 15, and the strong spring 15 is forced to be condensed.

Under the tension action of the primary spring 4, the secondary spring 13 and the strong spring 15, the loop bar 6 is stressed and restored to provide buffer support for the automobile main body connected with the loop bar 6.

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. An automobile front pillar assembly comprises a cross beam (1) and two bearing rods (2), and is characterized in that the two bearing rods (2) are respectively connected with two ends of the cross beam (1), a limiting flange (3) and a first-stage spring (4) which are welded are respectively fixedly sleeved on the two bearing rods (2), the upper ends of the two bearing rods (2) are respectively sleeved with a loop bar (6) in a sliding manner, the upper end of each bearing rod (2) positioned in the loop bar (6) is fixedly connected with a first-stage piston (5), the upper end of each loop bar (6) is communicated with an air pipe (7), the other end of each air pipe (7) is connected with a side pipe (8) in a sealing manner, the loop bar (6) is horizontally welded with a bracket (9) vertically corresponding to the side pipe (8), the lower end of each side pipe (8) is sleeved with a sliding rod (10) movably penetrating through the bracket (9), and the upper end of each sliding rod (10) positioned in the side pipe (, the sliding rod (10) is respectively sleeved with a limiting plate (12) and a secondary spring (13) which are welded, the two ends of the beam (1) are correspondingly provided with a supporting plate (14) and a strong spring (15) which are connected, and a supporting rod (16) is connected between the supporting plate (14) and the loop bar (6) through a pin shaft.

2. The vehicle front pillar assembly according to claim 1, characterized in that the cross member (1) is horizontally disposed and two vertically disposed load-bearing bars (2) are located above both ends of the cross member (1).

3. The automobile front pillar assembly according to claim 1, characterized in that the limiting flange (3) and the primary spring (4) are arranged from top to bottom, and the upper end of the primary spring (4) far away from the limiting flange (3) is welded with the lower end opening of the loop bar (6).

4. The automotive front pillar assembly according to claim 3, wherein the primary piston (5) and the secondary piston (11) are slidably sleeved in the loop bar (6) and the side tube (8), respectively.

5. The automobile front pillar assembly according to claim 4, characterized in that the limiting plate (12) and the secondary spring (13) are located between the side tube (8) and the bracket (9) from top to bottom, the limiting plate (12) is movably abutted to the lower end opening of the side tube (8), and the lower end of the secondary spring (13) far away from the limiting plate (12) is welded to the bracket (9).

6. The automotive front pillar assembly according to claim 1, characterized in that one end of the stay (14) is pivotally connected to the cross member (1), and one end of a strong spring (15) welded to the cross member (1) is connected to the stay (14).