CN216033585U

CN216033585U - Left and right trailing arm beam support of air suspension of passenger car

Info

Publication number: CN216033585U
Application number: CN202122794993.2U
Authority: CN
Inventors: 韦欣贵; 朱吉江; 詹清霞
Original assignee: Jiangxi Boxing Industrial Group Co ltd
Current assignee: Jiangxi Boxing Industrial Group Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-03-15
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a left and right trailing arm beam support of a passenger car air suspension, which belongs to the field of air suspension processing and comprises an air suspension body, wherein a bottom plate is arranged under the air suspension body, a chute is formed in the side wall of the upper end of the bottom plate, two sliding blocks are symmetrically and slidably connected in the chute, the upper end of each sliding block penetrates through a chute notch, extends upwards and is connected with a moving block, the upper end of each moving block is hinged with a support column, two mounting plates are symmetrically mounted at the lower end of the air suspension body, and one end, far away from the bottom plate, of each support column is hinged to the corresponding mounting plate. The utility model overcomes the defects of the prior art, supports and adjusts the position of the air suspension by the mutual matching of the structures such as the sliding groove, the sliding block, the moving block, the supporting column, the motor, the bidirectional screw rod, the threaded hole and the like, is convenient to mount and dismount the air suspension by the mutual matching of the structures such as the limiting plate, the limiting hole, the limiting groove, the limiting rod and the like, saves time and improves the working efficiency.

Description

Left and right trailing arm beam support of air suspension of passenger car

Technical Field

The utility model relates to the field of air suspension machining, in particular to a left and right trailing arm beam support of an air suspension of a passenger car.

Background

The automobile air suspension assembly is a substitute of an automobile steel plate spring, and according to the regulation of ' division and grading of types of commercial passenger cars ' of Ministry of transportation ', from 1 month and 1 day in 2007, the air suspension is adopted for large-scale high-class passenger cars and medium-scale high-class passenger cars, so that the assembly amount of the air suspension in China is greatly increased after 2007.

At passenger train air suspension left and right trailing arm roof beam in carrying out the course of working, often need support it, at present, the support of current air suspension left and right trailing arm roof beam generally can only play the supporting effect, and inconvenient highly adjusting air suspension, the suitability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a bracket for left and right corbel beams of a passenger car air suspension, which overcomes the defects of the prior art and aims to solve the problems that the bracket for the left and right corbel beams of the existing air suspension can only play a role in supporting generally, the height of the air suspension is inconvenient to adjust and the applicability is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: a left and right trailing arm beam support of a passenger car air suspension comprises an air suspension body, wherein a bottom plate is arranged under the air suspension body, a sliding groove is formed in the side wall of the upper end of the bottom plate, two sliding blocks are symmetrically and slidably connected in the sliding groove, the upper ends of the sliding blocks penetrate through a sliding groove notch and extend upwards and are connected with moving blocks, the upper ends of the moving blocks are hinged with supporting columns, two mounting plates are symmetrically mounted at the lower end of the air suspension body, one ends, away from the bottom plate, of the supporting columns are hinged on the mounting plates, a motor is mounted at the upper end of the bottom plate, the output end of the motor is connected with a bidirectional lead screw through a coupler, threaded holes are formed in the side walls of the two sliding blocks, the bidirectional lead screw sequentially penetrates through the two threaded holes, and the bidirectional lead screw is in threaded connection with the threaded holes;

the air suspension body lower extreme symmetric connection has two sets of limiting plates, and two limiting plates set up about the mounting panel symmetry that corresponds, spacing hole has been seted up on the lateral wall of limiting plate, the spacing groove has all been seted up at the both ends of mounting panel, and the position of spacing hole and spacing groove is corresponding, the spacing inslot is provided with the gag lever post, the gag lever post other end passes the notch and the spacing hole setting of spacing groove in proper order, and gag lever post and spacing hole phase-match.

As a preferred technical scheme of the utility model, a sliding rod is fixedly connected in the sliding groove, the sliding rod penetrates through the sliding block, and the sliding block is connected to the sliding rod in a sliding manner.

As a preferable technical scheme of the utility model, one end of the slider, which is far away from the air suspension body, is provided with a rolling groove, rolling balls are arranged in the rolling groove, the rolling balls penetrate through a notch of the rolling groove, and the rolling balls are connected with the bottom of the sliding groove in a rolling manner.

As a preferable technical scheme of the utility model, one end of the bidirectional screw rod, which is far away from the motor, is connected with a blocking block.

As a preferable technical solution of the present invention, the side wall of the motor is provided with a heat sink.

As a preferable technical scheme of the utility model, one end of the limiting rod, which is far away from the corresponding mounting plate, is connected with a pushing block.

As a preferable technical solution of the present invention, the bottom plate is provided with corrugations at a lower end thereof.

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

(1) the utility model supports and adjusts the position of the air suspension by the mutual matching of the structures such as the sliding groove, the sliding block, the moving block, the supporting column, the mounting plate, the motor, the bidirectional screw rod, the threaded hole and the like, thereby improving the applicability of the device.

(2) The air suspension is convenient to mount and dismount through the mutual matching of the limiting plate, the limiting hole, the limiting groove, the limiting rod and the like, the time is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

Description of reference numerals:

1. an air suspension body; 2. a base plate; 3. a chute; 4. a slider; 5. a moving block; 6. a support pillar; 7. mounting a plate; 8. a motor; 9. a bidirectional screw rod; 10. a threaded hole; 11. a limiting plate; 12. a limiting hole; 13. a limiting groove; 14. a limiting rod; 15. a slide bar; 16. a rolling groove; 17. a ball bearing; 18. a blocking block; 19. and (4) pushing the block.

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.

Referring to fig. 1-3, a left and right trailing arm beam bracket of a passenger car air suspension comprises an air suspension body 1, a bottom plate 2 is arranged under the air suspension body 1, the lower end of the bottom plate 2 is provided with corrugations to increase the friction between the ground and the bottom plate 2, a chute 3 is arranged on the side wall of the upper end of the bottom plate 2, two sliders 4 are symmetrically and slidably connected in the chute 3, the upper end of each slider 4 passes through the notch of the chute 3, extends upwards and is connected with a moving block 5, each slider 4 is connected with the moving block 5 to drive the moving block 5 to move, a sliding rod 15 is fixedly connected in the chute 3, the sliding rod 15 penetrates through the slider 4, the slider 4 is slidably connected on the sliding rod 15 to prevent the slider 4 from being separated from the chute 3, one end of the slider 4, far away from the air suspension body 1, is provided with a rolling groove 16, and rolling balls 17 are arranged in the rolling groove 16, the ball 17 passes through the notch of the rolling groove 16 and is arranged, and the ball 17 is connected with the bottom of the sliding groove 3 in a rolling way, so as to reduce the friction force between the sliding block 4 and the sliding groove 3, the upper end of the moving block 5 is hinged with the support column 6, the lower end of the air suspension body 1 is symmetrically provided with two mounting plates 7, the end of the support column 6 far away from the bottom plate 2 is hinged on the mounting plate 7, the upper end of the bottom plate 2 is provided with the motor 8, the side wall of the motor 8 is provided with the radiating fin, so as to accelerate the heat dissipation of the motor 8, the output end of the motor 8 is connected with the bidirectional screw rod 9 through the coupler, the side walls of the two sliding blocks 4 are both provided with the threaded holes 10, the bidirectional screw rod 9 is arranged through the two threaded holes 10 in sequence, the bidirectional screw rod 9 is in threaded connection with the threaded holes 10, the end of the bidirectional screw rod 9 far away from the motor 8 is connected with the stop block 18, so as to prevent the sliding block 4 from being separated from the bidirectional screw rod 9, when the air suspension body 1 is inspected and maintained, when need carry out altitude mixture control, starter motor 8, motor 8's function will drive two-way lead screw 9 and rotate, two-way lead screw 9's rotation will drive slider 4 through the screw thread in the screw hole 10 and move, horizontal opposite or back-to-back motion can be done in spout 3 to two sliders 4, slider 4's motion will drive movable block 5 and move, the motion of movable block 5 will drive support column 6 and move, support column 6 will drive air suspension body 1 through mounting panel 7 and move, when air suspension body 1 moves the assigned position, close motor 8, can adjust air suspension's position through the upper structure, and easy operation is convenient, reduce the hand labor power, improve the suitability of device.

Specifically, referring to fig. 1 and 3, two sets of limiting plates 11 are symmetrically connected to the lower end of the air suspension body 1, the two limiting plates 11 are symmetrically arranged with respect to the corresponding mounting plate 7, the side wall of the limiting plate 11 is provided with a limiting hole 12, both ends of the mounting plate 7 are provided with limiting grooves 13, the limiting holes 12 correspond to the positions of the limiting grooves 13, a limiting rod 14 is arranged in the limiting groove 13, the other end of the limiting rod 14 sequentially passes through the notch of the limiting groove 13 and the limiting hole 12, the limiting rod 14 is matched with the limiting hole 12, one end of the limiting rod 14 far away from the corresponding mounting plate 7 is connected with a pushing block 19, so as to apply an acting force to the limiting rod 14, when the air suspension body 1 needs to be dismounted, the acting force is applied to the limiting rod 14, the limiting rod 14 will horizontally move, when the limiting rod 14 is separated from the limiting grooves 13 and the limiting holes 12, the acting force is applied to the air suspension body 1, the air suspension body 1 can be taken down, the operation is simple and convenient, the time is saved, and the working efficiency is improved.

The working principle is as follows: when the air suspension body 1 is inspected and maintained and needs to be adjusted in height, the motor 8 is started, the motor 8 can drive the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 can drive the sliding blocks 4 to move through threads in the threaded holes 10, the two sliding blocks 4 can horizontally and transversely move in the sliding groove 3 in the opposite direction or the opposite direction, the sliding blocks 4 can drive the moving block 5 to move, the moving block 5 can drive the supporting column 6 to move, the supporting column 6 can drive the air suspension body 1 to move through the mounting plate 7, when the air suspension body 1 moves to a specified position, the motor 8 is turned off, when the air suspension body 1 needs to be dismounted, acting force is applied to the limiting rod 14, the limiting rod 14 can horizontally and transversely move, when the limiting rod 14 is separated from the limiting groove 13 and the limiting hole 12, acting force is applied to the air suspension body 1, the air suspension body 1 can be taken down, and the operation is simple and convenient.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a left and right trailing arm roof beam support of passenger train air suspension, includes air suspension body (1), its characterized in that: a bottom plate (2) is arranged right below the air suspension body (1), a sliding groove (3) is formed in the side wall of the upper end of the bottom plate (2), two sliding blocks (4) are symmetrically and slidably connected in the sliding groove (3), the upper end of each sliding block (4) penetrates through the notch of the sliding groove (3) and extends upwards and is connected with a moving block (5), a support column (6) is hinged to the upper end of each moving block (5), two mounting plates (7) are symmetrically mounted at the lower end of the air suspension body (1), one end, away from the bottom plate (2), of each support column (6) is hinged to each mounting plate (7), a motor (8) is mounted at the upper end of the bottom plate (2), the output end of each motor (8) is connected with a bidirectional screw rod (9) through a coupler, threaded holes (10) are formed in the side walls of the two sliding blocks (4), and the bidirectional screw rods (9) sequentially penetrate through the two threaded holes (10), the bidirectional screw rod (9) is in threaded connection with the threaded hole (10);

air suspension body (1) lower extreme symmetric connection has two sets of limiting plates (11), and two limiting plates (11) set up about corresponding mounting panel (7) symmetry, spacing hole (12) have been seted up on the lateral wall of limiting plate (11), spacing groove (13) have all been seted up at the both ends of mounting panel (7), and spacing hole (12) are corresponding with the position of spacing groove (13), be provided with gag lever post (14) in spacing groove (13), the notch and spacing hole (12) setting that spacing groove (13) were passed in proper order to the gag lever post (14) other end, and gag lever post (14) and spacing hole (12) phase-match.

2. The left and right trailing arm beam supports of a passenger vehicle air suspension of claim 1, wherein: slide bar (15) are fixedly connected with in spout (3), slide bar (15) run through slider (4) and set up, and slider (4) sliding connection is on slide bar (15).

3. The left and right trailing arm beam supports of a passenger vehicle air suspension of claim 2, wherein: the air suspension is characterized in that a rolling groove (16) is formed in one end, away from the air suspension body (1), of the sliding block (4), rolling balls (17) are arranged in the rolling groove (16), the balls (17) penetrate through notches of the rolling groove (16), and the balls (17) are connected to the bottom of the sliding groove (3) in a rolling mode.

4. The left and right trailing arm beam supports of a passenger vehicle air suspension of claim 1, wherein: one end of the bidirectional screw rod (9) far away from the motor (8) is connected with a blocking block (18).

5. The left and right trailing arm beam supports of a passenger vehicle air suspension of claim 4, wherein: and the side wall of the motor (8) is provided with a radiating fin.

6. The left and right trailing arm beam supports of a passenger vehicle air suspension of claim 1, wherein: one end of the limiting rod (14) far away from the corresponding mounting plate (7) is connected with a pushing block (19).

7. The left and right trailing arm beam supports of a passenger vehicle air suspension of claim 1, wherein: the lower end of the bottom plate (2) is provided with corrugations.