CN219133783U

CN219133783U - Front pillar assembly structure of automobile

Info

Publication number: CN219133783U
Application number: CN202320082346.5U
Authority: CN
Inventors: 罗家韦; 陈成
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-06-06
Anticipated expiration: 2033-01-28

Abstract

The utility model relates to the technical field of automobile parts and discloses a front pillar assembly structure of an automobile, which comprises a connecting rod, wherein the lower end of the connecting rod is fixedly connected with a knuckle bracket, the upper end of the connecting rod is fixedly connected with a bottom cover, an oil storage cylinder is fixedly connected to the bottom cover, a bottom valve is arranged in the oil storage cylinder in a pressing mode, an end cover is arranged at the upper end of the oil storage cylinder in a pressing mode, a buffer mechanism is arranged on the end cover, a working cylinder is arranged in the oil storage cylinder in a pressing mode, a piston rod is arranged in the working cylinder in a sliding mode, the piston rod penetrates through the buffer mechanism, an upper mounting seat is connected to the piston rod in a threaded mode, and a nut is connected to the upper portion of the upper mounting seat in a threaded mode. The purpose is that: the connecting rod is used for transmitting motion and stress between the knuckle bracket and the oil storage cylinder, so that the function of the front support is unchanged, the connecting rod has lighter weight, the energy consumption of the whole vehicle can be reduced, and the steering stability of the vehicle driving can be improved.

Description

Front pillar assembly structure of automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a front pillar assembly structure of an automobile.

Background

The front pillar assembly is an important part of an automobile chassis and is a set of vibration reduction system consisting of a front vibration damper and a spiral spring. The front pillar assembly mainly includes: the steering knuckle comprises an oil storage cylinder, an end cover, an oil seal, a guide sleeve, a piston rod, a working cylinder, a bottom valve, a spring tray, a spiral spring, a steering knuckle bracket, an upper mounting seat and the like. The main functions are as follows: vibration transmitted to the car body by the filtered pavement is attenuated, and riding comfort is improved. And meanwhile, the lateral force of the suspension is born, so that the steering stability of driving is ensured. The bottom cover at the lower end of the front pillar oil storage cylinder is connected with the steering knuckle through the steering knuckle bracket, so that the functions of supporting stress and transmitting road surface excitation are achieved.

The utility model provides a car front pillar assembly of patent number (CN 210116346U), including the piston rod, reservoir and knuckle support, the one end and the reservoir one end of piston rod are fixed, the other end is connected with the upper bracket assembly, the piston rod is equipped with the bearing with upper bracket assembly junction cover, the outer lane of bearing has cup jointed the spring holder, the spring holder adopts the rubber pad to seal, the rubber pad includes pad face and sleeve, pad face and sleeve are connected perpendicularly, and the junction is protruding relatively, pad face upper surface is equipped with a plurality of pits, be equipped with a plurality of indent lines on the sleeve inner wall, be connected with shock spring between upper spring holder and the lower spring holder, the knuckle support cup joints with the other end of reservoir.

According to the patent, the upper rubber pad on the upper spring seat is not easy to deviate and move by arranging the pad surface and the sleeve, so that the product quality is improved; however, in the above patent, the lower end of the reservoir is directly connected to the knuckle bracket, and the reservoir is large in volume and the unsprung mass affects the handling performance of the whole vehicle.

Disclosure of Invention

Therefore, the utility model aims to provide a front pillar assembly structure of an automobile, wherein the connecting rod is used for transmitting motion and stress between the knuckle bracket and the oil storage cylinder, so that the function of the front pillar is unchanged, the connecting rod has lighter weight, the energy consumption of the whole automobile can be reduced, and the steering stability of the driving of the automobile can be improved.

The utility model solves the technical problems by the following technical means:

the utility model provides a front pillar assembly structure of car, includes the connecting rod, the lower extreme fixedly connected with knuckle support of connecting rod, the upper end fixedly connected with bottom of connecting rod, fixedly connected with oil storage section of thick bamboo on the bottom, the bottom is equipped with the bottom valve in the inside pressure of oil storage section of thick bamboo, the end cover is equipped with to the pressure of oil storage section of thick bamboo upper end, install on the end cover buffer gear, the bottom valve is equipped with the working cylinder in the inside pressure of oil storage section of thick bamboo, slidable mounting has the piston rod in the working cylinder, the piston rod wears to establish in buffer gear's inside, the spiro union has the mount pad on the piston rod, the piston rod in the top spiro union of going up the mount pad has the nut.

Further, the connecting rod is made of solid round steel or hollow steel pipes. Thus, according to different vehicle types and specific requirements, solid round steel or hollow steel pipes can be selected, so that unsprung mass is reduced as much as possible.

Further, a plurality of studs are connected to the upper mounting seat in a threaded manner. According to the technical scheme, the stud is arranged, so that the upper mounting seat is convenient to be connected with other parts.

Further, a guide sleeve is pressed at the upper end of the oil storage cylinder, and an oil seal is pressed on the guide sleeve. According to the technical scheme, the piston rod is guided by the guide sleeve, and the tightness of the oil storage cylinder is guaranteed by the oil seal.

Further, buffer gear includes buffer block and coil spring, buffer block joint is in the below of last mount pad, fixedly connected with spring tray on the oil storage section of thick bamboo, spring tray with install coil spring between the mount pad. Thus, the buffer block and the spiral spring provide buffer for the front pillar assembly through the elasticity of the buffer block and the spiral spring.

Further, a dust cover is sleeved on the buffer block. This technical scheme prevents that the dust from getting into the oil storage section of thick bamboo through setting up the dust cover.

The front pillar assembly structure of the automobile has the following advantages:

1. the connecting rod is used for transmitting motion and stress between the knuckle bracket and the oil storage cylinder, so that the function of the front support is unchanged, the connecting rod has lighter weight, the energy consumption of the whole vehicle can be reduced, and the steering stability of the vehicle driving can be improved.

2. The original thick structure of the oil storage cylinder is replaced by the connecting rod, so that the original function is realized, and a larger arrangement space is provided for the chassis suspension system.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a front pillar assembly structure of an automobile according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a front pillar assembly structure of an automobile according to the present utility model;

FIG. 3 is a schematic perspective view of a conventional front pillar assembly;

FIG. 4 is a schematic cross-sectional view of a connecting rod made of solid round steel in an embodiment of a front pillar assembly structure of an automobile according to the present utility model;

fig. 5 is a schematic cross-sectional view of a connecting rod of a front pillar assembly structure of an automobile according to an embodiment of the present utility model.

Wherein, each numeral in the figure represents: knuckle bracket 1, connecting rod 2, coil spring 3, upper mount pad 4, double-screw bolt 5, oil storage section of thick bamboo 6, bottom 7, bottom valve 8, working cylinder 9, spring tray 10, uide bushing 11, end cover 12, nut 13, buffer block 14, dust cover 15, oil blanket 16, piston rod 17.

Detailed Description

The utility model will be described in detail below with reference to the attached drawings and specific examples:

the following embodiments of the present utility model are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present utility model from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present utility model and simplifying the description, and it is not indicated or implied that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present utility model, and that the specific meanings of the terms described above may be understood by those skilled in the art according to circumstances.

As shown in fig. 1-5, a front pillar assembly structure of an automobile comprises a connecting rod 2, a knuckle bracket 1 is welded at the lower end of the connecting rod 2, a bottom cover 7 is welded at the upper end of the connecting rod 2, an oil storage cylinder 6 is welded on the bottom cover 7, a bottom valve 8 is pressed on the bottom cover 7 in an interference fit manner in the oil storage cylinder 6, an end cover 12 is pressed on the upper end of the oil storage cylinder 6 in an interference fit manner, a buffer mechanism is mounted on the end cover 12, a working cylinder 9 is pressed on the bottom valve 8 in the oil storage cylinder 6 in an interference fit manner, a piston rod 17 is slidably mounted in the working cylinder 9, the piston rod 17 is arranged in the buffer mechanism in a penetrating manner, an upper mounting seat 4 is screwed on the piston rod 17, and a nut 13 is screwed on the piston rod 17 above the upper mounting seat 4.

In this embodiment, the upper end surface of the bottom cover 7 is a conical surface, so that the bottom valve 8 is conveniently press-fitted over the bottom cover 7.

As shown in fig. 4 and 5, the connecting rod 2 is made of solid round steel or hollow steel pipe. Thus, according to different vehicle types and specific requirements, solid round steel or hollow steel pipes can be selected, so that unsprung mass is reduced as much as possible.

In the embodiment, the length and the diameter of the connecting rod 2 can be adjusted according to specific suspension hard points, suspension motion strokes and structural forms of different vehicle types.

A plurality of studs 5 are connected on the upper mounting seat 4 in a threaded manner. According to the technical scheme, the stud 5 is arranged, so that the upper mounting seat 4 is conveniently connected with other parts.

The upper end of the oil storage cylinder 6 is provided with a guide sleeve 11 in an interference fit manner, the guide sleeve 11 is provided with an oil seal 16 in an interference fit manner, and the middle section part of a piston rod 17 is tightly held together with the oil seal 16 through interference fit. According to the technical scheme, the piston rod 17 is guided by the guide sleeve 11, and the tightness of the oil storage cylinder 6 is ensured by the oil seal 16.

The buffer mechanism comprises a buffer block 14 and a spiral spring 3, wherein the buffer block 14 is clamped below the upper mounting seat 4, the spring tray 10 is welded on the oil storage cylinder 6, and the spiral spring 3 is arranged between the spring tray 10 and the upper mounting seat 4. In this way, the cushion block 14 and the coil spring 3 provide cushioning for the front pillar assembly by their own elasticity.

The buffer block 14 is sleeved with a dust cover 15. This technical scheme prevents that the dust from getting into the oil storage section of thick bamboo 6 through setting up dust cover 15.

The application method and principle of the utility model are as follows:

when the tires of the automobile are subjected to runout generated by road surface excitation, the runout is transmitted to the oil storage barrel 6 through the knuckle, the knuckle bracket 1, the connecting rod 2 and the bottom cover 7, and the buffer mechanism starts to work at the moment, the piston rod 17 in the oil storage barrel 6 makes reciprocating piston movement in the working cylinder 9, and the connecting rod 2 is used for transmitting movement and stress between the knuckle and the oil storage barrel 6, so that the connecting part of the oil storage barrel of the traditional front pillar assembly shown in fig. 3 is replaced.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims

1. A front pillar assembly structure of an automobile, characterized in that: including connecting rod (2), the lower extreme fixedly connected with knuckle support (1) of connecting rod (2), the upper end fixedly connected with bottom (7) of connecting rod (2), fixedly connected with oil storage section of thick bamboo (6) on bottom (7), bottom (7) are equipped with bottom valve (8) in the inside pressure of oil storage section of thick bamboo (6), oil storage section of thick bamboo (6) upper end pressure is equipped with end cover (12), install buffer gear on end cover (12), bottom valve (8) are equipped with working cylinder (9) in the inside pressure of oil storage section of thick bamboo (6), sliding mounting has piston rod (17) in working cylinder (9), piston rod (17) wear to establish buffer gear's inside, the spiro union has last mount pad (4) on piston rod (17), piston rod (17) in the top spiro union of last mount pad (4) has nut (13).

2. The front pillar assembly structure of an automobile according to claim 1, wherein: the connecting rod (2) is made of solid round steel or hollow steel pipes.

3. The front pillar assembly structure of an automobile according to claim 1, wherein: and a plurality of studs (5) are connected to the upper mounting seat (4) in a threaded manner.

4. The front pillar assembly structure of an automobile according to claim 1, wherein: the upper end of the oil storage cylinder (6) is provided with a guide sleeve (11) in a pressing mode, and the guide sleeve (11) is provided with an oil seal (16) in a pressing mode.

5. The front pillar assembly structure of an automobile according to claim 1, wherein: the buffer mechanism comprises a buffer block (14) and a spiral spring (3), wherein the buffer block (14) is clamped below the upper mounting seat (4), a spring tray (10) is fixedly connected to the oil storage cylinder (6), and the spiral spring (3) is arranged between the spring tray (10) and the upper mounting seat (4).

6. The front pillar assembly structure of an automobile according to claim 5, wherein: and a dust cover (15) is sleeved on the buffer block (14).