Novel high-strength automobile swing arm structure

Abstract

The utility model relates to the technical field of automobile swing arms, in particular to a novel high-strength automobile swing arm structure which comprises a swing arm body and two extrusion boxes, the two extrusion boxes are both fixedly connected to the inner wall of the swing arm body, and anti-bending components are installed on the extrusion boxes. The bending-resistant component comprises a fixed box, an air inlet pipe, a piston chamber, a connecting rod, an anti-deformation plate and a straight spring, the fixed box is fixedly connected to the outer surface of the extrusion box, the pressing plate is driven to move through movement of the movable plate, the pressing plate extrudes air in the air bag to enter the piston chamber through the air inlet pipe, the air in the piston chamber is increased, and the deformation of the air bag is prevented. The increased gas pushes the piston plates on the two sides to move outwards, the piston plates drive the anti-deformation plates to move outwards through the connecting rods, the anti-deformation plates extrude the inner wall of the swing arm body, and therefore the situation that the swing arm body is bent due to external impact, and consequently the swing arm body loses the automobile steering control capacity is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a car swing arm technical field especially relates to a novel high strength car swing arm structure. BACKGROUND

[0002] The car swing arm is a kind of connecting piece connecting vehicle body and steering knuckle, also be called car connecting arm or control arm, belong to the main safety structure piece in automobile chassis suspension system, main function is to connect vehicle body and steering knuckle, and transmit load between the two, bear various loads in the process of automobile driving.

[0003] The existing car swing arm structure when in use, car swing arm generally has the ability to control the steering of vehicle body, when the car is collided by outside, due to the lack of protection components of car swing arm, collision can make swing arm damage, lead to the steering ability of car, the steering movement of car will produce huge security risk to surrounding environment, threaten the life safety of surrounding crowd and driver. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving following shortcomings in prior art, the existing car swing arm structure when in use, car swing arm generally has the ability to control the steering of vehicle body, when the car is collided by outside, due to the lack of protection components of car swing arm, collision can make swing arm damage, lead to the steering ability of car, the steering movement of car will produce huge security risk to surrounding environment, threaten the life safety of surrounding crowd and driver, and a novel high strength car swing arm structure is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A novel high strength car swing arm structure, including swing arm body and extrusion box, two The extrusion box is fixedly connected on the inner wall of swing arm body;Bending-resistant component is installed on the extrusion box, the bending-resistant component includes fixed box, air inlet pipe, piston chamber, connecting rod, anti-deformation plate, straight spring, the fixed box is fixedly connected on the outer surface of the extrusion box, the air bag is fixedly connected in the fixed box, the piston chamber is fixedly connected on the inner wall of the fixed box, the piston chamber is communicated with the air bag through the air inlet pipe, the piston chamber both ends are slidably connected with piston plate, the straight spring is fixedly connected between two The piston plate, the connecting rod is fixedly connected with the piston plate, the anti-deformation plate is fixedly connected at the end away from the piston plate of the connecting rod, one end of the air bag is fixedly connected with the pressing plate.

[0007] Preferably, the pressing plate is slidably connected with the fixed box, a square hole is formed between the extrusion box and the fixed box, and a moving plate is slidably connected in the square hole.

[0008] Preferably, a square plate is slidably connected in the extrusion box, one end of the moving plate is fixedly connected with the pressing plate, and the other end of the moving plate is fixedly connected with the square plate.

[0009] Preferably, a reset spring is fixedly connected between the square plate and the inner wall of the extrusion box, a push rod is fixedly connected to the outer surface of the square plate, a sliding groove is formed in the swing arm body, the push rod is slidably connected in the sliding groove, and a straight plate is fixedly connected to the end of the push rod away from the square plate.

[0010] Preferably, a ball pin assembly is fixedly connected to the outer surface of the swing arm body, a bushing is fixedly connected to the outer surface of the swing arm body, a plurality of rigid springs are fixedly installed on the outer surface of the swing arm body, and a buffer plate is fixedly connected to the end of the rigid spring away from the swing arm body.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The moving plate drives the pressing plate to move, the pressing plate extrudes the gas in the air bag through the air inlet pipe into the piston chamber, the increased gas pushes the piston plates on both sides to move outward, the piston plates drive the anti-deformation plate to move outward through the connecting rod, the anti-deformation plate is extruded to the inner wall of the swing arm body, and the swing arm body is supported, so that the swing arm body is prevented from being bent by external impact and losing the ability to control the automobile steering, and the impact resistance of the swing arm body and the safety performance of the automobile are improved.

[0013] 2. When external impact affects the swing arm body, the straight plate outside the swing arm body is driven to move by the impact force, the push rod is driven to move by the straight plate, the square plate is driven to move into the extrusion box by the push rod, the square plate extrudes the reset spring, the reset spring absorbs the external impact force, the damage of the swing arm body caused by external impact is reduced, the impact force on the other side of the swing arm body is buffered by the cooperation of the buffer plate and the rigid spring, and the overall impact resistance of the automobile swing arm body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front structure schematic view of the novel high-strength automobile swing arm structure.

[0015] Figure 2 It is an extrusion chamber structure schematic view of the novel high-strength automobile swing arm structure.

[0016] Figure 3 It is a fixed box structure schematic view of the novel high-strength automobile swing arm structure.

[0017] Figure 4The utility model provides a novel high-strength automobile swing arm structure's piston chamber structure schematic diagram.

[0018] In the figure: 1 swing arm body, 2 ball pin assembly, 3 bush, 4 buffer plate, 5 rigid spring, 6 extrusion box, 7 straight plate, 8 push rod, 9 return spring, 10 square plate, 11 moving plate, 12 fixed box, 13 pressing plate, 14 air bag, 15 air inlet pipe, 16 piston chamber, 17 connecting rod, 18 deformation prevention plate, 19 piston plate, 20 straight spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the utility model are only for the convenience of clear description, not to limit the scope of the utility model that can be implemented, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model that can be implemented without substantial change of the technical content.

[0021] Reference Figures 1-4 A novel high-strength automobile swing arm structure, including swing arm body 1 and extrusion box 6, two extrusion boxes 6 are all fixedly connected on the inner wall of swing arm body 1, and the extrusion box 6 is hollowly arranged, and the extrusion box 6 is provided with a bending-resistant component, the bending-resistant component includes fixed box 12, air inlet pipe 15, piston chamber 16, connecting rod 17, deformation prevention plate 18 and straight spring 20, the fixed box 12 is fixedly connected on the outer surface of the extrusion box 6, the fixed box 12 is fixedly connected with air bag 14 in, a large amount of compressed gas is injected into the air bag 14, the piston chamber 16 is fixedly connected on the inner wall of the fixed box 12, the piston chamber 16 is communicated with the air bag 14 through the air inlet pipe 15, the piston chamber 16 is slidably connected with piston plate 19 at both ends respectively, the piston plate 19 and the piston chamber 16 are sealed, the straight spring 20 is fixedly connected between the two piston plates 19, the straight spring 20 can drive the piston plate 19 to reset when the piston plate 19 is not subjected to external force, the piston chamber 16 is respectively provided with a limiting block at both ends, to prevent the piston plate 19 from sliding out of the piston chamber 16, the connecting rod 17 is fixedly connected with the piston plate 19, the deformation prevention plate 18 is fixedly connected at the end away from the piston plate 19 of the connecting rod 17, one side of the deformation prevention plate 18 in contact with the swing arm body 1 is provided with a rubber pad, to reduce the damage to the swing arm body 1, and one end of the air bag 14 is fixedly connected with pressing plate 13.

[0022] The pressing plate 13 is slidably connected with the fixed box 12, a square through hole is formed between the extrusion box 6 and the fixed box 12, the moving plate 11 is slidably connected in the square through hole, the square plate 10 is slidably connected in the extrusion box 6, one end of the moving plate 11 is fixedly connected with the pressing plate 13, the other end of the moving plate 11 is fixedly connected with the square plate 10, the reset spring 9 is fixedly connected between the square plate 10 and the inner wall of the extrusion box 6, the main function of the reset spring 9 is to absorb external impact force, the push rod 8 is fixedly connected to the outer surface of the square plate 10, the sliding groove is formed in the swing arm body 1, the push rod 8 is slidably connected in the sliding groove, the straight plate 7 is fixedly connected to the end of the push rod 8 away from the square plate 10, the ball pin assembly 2 is fixedly connected to the outer surface of the swing arm body 1, the ball pin assembly 2 is prior art, which can assist the swing arm to work with the shock absorber, buffer the vibration in driving, and guarantee the controllability and comfort of the vehicle, the bushing 3 is fixedly connected to the outer surface of the swing arm body 1, the main function of the bushing 3 is to support the engine and the transmission and buffer the vibration of the engine to the vehicle body, so that the vehicle is more comfortable to start, a plurality of rigid springs 5 are fixedly installed on the outer surface of the swing arm body 1, the buffer plate 4 is fixedly connected to the end of the rigid spring 5 away from the swing arm body 1.

[0023] In the utility model, when the automobile is impacted by the outside, the impact force of the outside forces the internal parts of the automobile to compress inwards, when the internal parts impact the swing arm body 1, the straight plate 7 outside the swing arm body 1 is driven to move the push rod 8 under the action of the impact force, the push rod 8 moves to drive the square plate 10 to move inwards in the extrusion box 6, the square plate 10 extrudes the reset spring 9, the reset spring 9 absorbs the impact force of the outside, thereby reducing the damage of the impact of the outside to the swing arm body 1, and meanwhile, the impact force acting on the other side of the swing arm body 1 is buffered through the cooperation of the buffer plate 4 and the rigid spring 5, thereby improving the overall impact resistance of the swing arm body 1 of the automobile.

[0024] When the square plate 10 moves, the square plate 10 drives the moving plate 11 to move inwards, the moving plate 11 drives the pressing plate 13 to move under the action of the inwards movement, the pressing plate 13 extrudes the gas in the air bag 14 to enter the piston chamber 16 through the air inlet pipe 15, the gas in the piston chamber 16 increases, the increased gas drives the piston plates 19 on both sides to move outwards, the piston plates 19 drive the anti-deformation plate 18 to move outwards through the connecting rod 17, the anti-deformation plate 18 is extruded to the inner wall of the swing arm body 1, and the swing arm body 1 is supported to prevent the swing arm body 1 from being bent by the impact of the outside, thereby losing the ability of controlling the steering of the automobile, and improving the impact resistance of the swing arm body 1 itself and the safety performance of the automobile.

[0025] In the utility model, unless otherwise clearly defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense.

[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A new high-strength swing arm structure for a vehicle, comprising a swing arm body (1) and an extruded box (6), characterized in that, Two said extrusion box (6) are fixedly connected on the inner wall of the swing arm body (1); the anti-bending part is installed on the extrusion box (6), the anti-bending part includes fixed box (12), air inlet pipe (15), piston chamber (16), connecting rod (17), anti-deformation plate (18), straight spring (20), the fixed box (12) is fixedly connected on the outer surface of the extrusion box (6), the fixed box (12) is fixedly connected with air bag (14) in, the piston chamber (16) is fixedly connected on the inner wall of the fixed box (12), the piston chamber (16) is communicated with the air bag (14) through the air inlet pipe (15), the piston chamber (16) is slidably connected with piston plate (19) at both ends respectively, the straight spring (20) is fixedly connected between the two piston plates (19), the connecting rod (17) is fixedly connected with the piston plate (19), the anti-deformation plate (18) is fixedly connected at the end of the connecting rod (17) away from the piston plate (19), one end of the air bag (14) is fixedly connected with the pressing plate (13).

2. A novel high-strength automobile swing arm structure according to claim 1, characterized by The pressing plate (13) is slidably connected with the fixed box (12), a square hole is formed between the extrusion box (6) and the fixed box (12), and a moving plate (11) is slidably connected in the square hole.

3. A new type of high-strength automobile swing arm structure according to claim 2, characterized in that, The extrusion box (6) is slidably connected with a square plate (10), one end of the moving plate (11) is fixedly connected with the pressing plate (13), and the other end of the moving plate (11) is fixedly connected with the square plate (10).

4. A novel high-strength automobile swing arm structure according to claim 3, characterized by The square plate (10) is fixedly connected with a reset spring (9) between the inner wall of the extrusion box (6), the outer surface of the square plate (10) is fixedly connected with a push rod (8), a sliding groove is formed in the swing arm body (1), the push rod (8) is slidably connected in the sliding groove, and a straight plate (7) is fixedly connected at the end of the push rod (8) away from the square plate (10).

5. A new type of high-strength automobile swing arm structure according to claim 1, characterized in that, The outer surface of the swing arm body (1) is fixedly connected with a ball pin assembly (2), the outer surface of the swing arm body (1) is fixedly connected with a bushing (3), a plurality of rigid springs (5) are fixedly installed on the outer surface of the swing arm body (1), and the end of the rigid spring (5) away from the swing arm body (1) is fixedly connected with a buffer plate (4).

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