Lower metal control arm of automobile rear suspension

Abstract

The utility model belongs to the technical field of automobile accessories, and discloses an automobile rear suspension lower metal control arm which comprises a control arm body, a connecting ring is fixedly connected to the outer side of the control arm body, a bolt is installed in the connecting ring, a damping mechanism is arranged in the control arm body, the damping mechanism comprises a movable pipe, and the movable pipe is fixedly connected with the connecting ring. A nylon rod is movably clamped to the movable pipe, a stress plate is fixedly connected to the top of the nylon rod, a damping spring is fixedly connected to the bottom of the stress plate, a lubricating mechanism is arranged in the control arm body and comprises an elastic oil bag, and an oil outlet pipe is fixedly connected to the outer side of the elastic oil bag. The lower metal control arm of the rear suspension of the automobile has the advantages that the control arm can be damped when the automobile jolts, and the bolt can be lubricated at the same time.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, specifically a metal control arm for the lower rear suspension of an automobile. Background Technology

[0002] The lower metal control arm of a car's rear suspension connects the wheels to the vehicle body, providing support for the wheels and ensuring they move along a predetermined trajectory during driving, thus maintaining vehicle stability and handling. For example, when a vehicle is cornering, the lower metal control arm guides the rear wheels to maintain the correct posture, allowing the vehicle to smoothly pass through the curve.

[0003] Meanwhile, application number CN201020055285.6, "A Lower Control Arm for a Rear Suspension of an Automobile," describes a welded nut, welded to the area near the spring seat on a metal cover plate, used to secure the parking brake cable bracket. Weight-reduction process holes are provided on the side walls and bottom surface of the U-shaped stamped metal plate at locations with low stress, removing excess material, reducing the weight of the lower control arm, improving fuel economy and power, and also facilitating the entry and exit of liquids during painting.

[0004] The above-mentioned technical solution has the following drawbacks during use: since the control arm needs to be installed at the bottom of the car, the car will encounter bumps during movement, which will increase the pressure on the control arm and reduce its service life. At the same time, since the control arm is connected by bolts, long-term connection will lead to rust, which will affect the disassembly of the control arm.

[0005] Therefore, a metal control arm for the rear suspension of a car is proposed to address the above problems. Utility Model Content

[0006] To address the problems mentioned in the background art, this utility model provides a metal control arm under the rear suspension of an automobile, which has the advantages of absorbing shocks to the control arm when the automobile is bumpy and lubricating the bolts at the same time.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a metal control arm for a rear suspension of an automobile, comprising a control arm body, a connecting ring fixedly connected to the outer side of the control arm body, a bolt installed inside the connecting ring, and a shock absorption mechanism provided inside the control arm body;

[0008] The shock absorption mechanism includes a movable tube, a nylon rod is movably connected to the movable tube, a force-bearing plate is fixedly connected to the top of the nylon rod, and a shock-absorbing spring is fixedly connected to the bottom of the force-bearing plate.

[0009] Preferably, the inside of the control arm body is provided with a lubricating mechanism, the lubricating mechanism comprises an elastic oil bag, the outside of the elastic oil bag is fixedly connected with an oil outlet pipe, an oil hole is formed in the inner wall of the connecting ring, the outside of the control arm body is fixedly connected with an oil inlet pipe, and the inside of the oil inlet pipe is clamped with a plugging rod.

[0010] Preferably, the movable pipe is symmetrical and fixedly connected to the inner wall of the control arm body, and the stress plate is located above the control arm body; through the cooperation of the stress plate and the damping spring, the pressure borne by the control arm can be buffered.

[0011] Preferably, the bottom of the damping spring is fixedly connected to the top of the movable pipe, and the nylon rod is movably connected to the inside of the movable pipe through the damping spring; through the continuous movement of the nylon rod in the inside of the movable pipe, the potential energy generated can be eliminated.

[0012] Preferably, the elastic oil bag is fixedly connected to the inside of the control arm body, and one end of the oil outlet pipe is fixedly connected to the inside of the oil hole; when the stress plate moves downward, the elastic oil bag in the inside of the control arm body can be extruded.

[0013] Preferably, one end of the oil inlet pipe is fixedly connected to the inside of the elastic oil bag, and the plugging rod is matched with the oil inlet pipe; when the plugging rod is opened, the lubricant can be added to the inside of the elastic oil bag through the oil inlet pipe.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a control arm body is set up, and the movable pipe is fixedly connected in the inside of control arm body, and through the cooperation of the nylon rod in the movable pipe and the damping spring, the stress plate is movably connected above the control arm body, when the car is in the process of driving, and meets the situation of jolt, will produce huge pressure to the control arm body, through the cooperation of the stress plate and the damping spring, can play the buffering effect to the control arm body, thereby reducing the pressure that the control arm body bears, and the nylon rod can continuously move in the inside of the movable pipe, and the potential energy generated can be eliminated, thereby playing the effect of shock absorption.

[0016] 2、The utility model discloses a control arm body is set up, and the connecting ring and bolt are set up on the outside of control arm body, when the stress plate is extruded and moves downward, will extrude the elastic oil bag in the inside of control arm body, at this time, the lubricant in the inside of elastic oil bag will enter the inside of oil hole through the oil outlet pipe, thereby making the lubricant enter the inside of connecting ring, at this time, can play the effect of lubrication to the bolt, prevents the rust situation from appearing due to long -time connection. DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view between control arm body and stress plate of the utility model;

[0019] Figure 3 It is the structure schematic view of lubricating mechanism outside of the utility model;

[0020] Figure 4 It is the utility model Figure 2 The enlarged view of structure in A place.

[0021] In the drawing: 1, control arm body;2, connecting ring;3, bolt;4, damping mechanism;41, movable pipe;42, nylon rod;43, stress plate;44, damping spring;5, lubricating mechanism;51, elastic oil bag;52, oil outlet pipe;53, oil hole;54, oil inlet pipe;55, plugging rod. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] As Figures 1 to 4 Indicated, the utility model provides a kind of automobile rear suspension lower metal control arm, including control arm body 1, the outside of control arm body 1 is fixedly connected with connecting ring 2, the inside of connecting ring 2 is installed with bolt 3, the inside of control arm body 1 is provided with damping mechanism 4;

[0024] Damping mechanism 4 includes movable pipe 41, movable pipe 41 is movably connected with nylon rod 42, the top of nylon rod 42 is fixedly connected with stress plate 43, the bottom of stress plate 43 is fixedly connected with damping spring 44.

[0025] Specifically, the inside of control arm body 1 is provided with lubricating mechanism 5, and the lubricating mechanism 5 includes elastic oil bag 51, the outside of elastic oil bag 51 is fixedly connected with oil outlet pipe 52, oil hole 53 is arranged in the inner wall of connecting ring 2, the outside of control arm body 1 is fixedly connected with oil inlet pipe 54, and plugging rod 55 is clamped in the inside of oil inlet pipe 54.

[0026] As Figures 1 to 4As shown, the movable tube 41 is symmetrically and fixedly connected to the inner wall of the control arm body 1, and the stress plate 43 is located above the control arm body 1. Through the cooperation of the stress plate 43 and the damping spring 44, the pressure borne by the control arm body 1 can be buffered.

[0027] Further, the bottom of the damping spring 44 is fixedly connected to the top of the movable tube 41, and the nylon rod 42 is movably connected to the inside of the movable tube 41 through the damping spring 44. Through the continuous movement of the nylon rod 42 in the inside of the movable tube 41, the potential energy generated can be eliminated.

[0028] As shown, Figures 1 to 4 the elastic oil bag 51 is fixedly connected to the inside of the control arm body 1, and one end of the oil outlet pipe 52 is fixedly connected to the inside of the oil hole 53. When the stress plate 43 moves downward, the elastic oil bag 51 inside the control arm body 1 can be extruded.

[0029] It is worth noting that one end of the oil inlet pipe 54 is fixedly connected to the inside of the elastic oil bag 51, and the plugging rod 55 is matched with the oil inlet pipe 54. When the plugging rod 55 is opened, the lubricant can be added to the inside of the elastic oil bag 51 through the oil inlet pipe 54.

[0030] Working principle and process: through the setting of the control arm body 1, the movable tube 41 is fixedly connected to the inside of the control arm body 1. Through the cooperation of the nylon rod 42 and the damping spring 44 in the inside of the movable tube 41, the stress plate 43 is movably connected above the control arm body 1. When the car encounters bumps during driving, a great pressure will be generated on the control arm body 1. Through the cooperation of the stress plate 43 and the damping spring 44, the control arm body 1 can have a buffering effect, thereby reducing the pressure received by the control arm body 1. The nylon rod 42 will continuously move in the inside of the movable tube 41, which can eliminate the potential energy generated, thereby having a damping effect. Through the setting of the control arm body 1, the connecting ring 2 and the bolt 3 are arranged on the outside of the control arm body 1. When the stress plate 43 moves downward under pressure, the elastic oil bag 51 inside the control arm body 1 will be extruded. At this time, the lubricant in the elastic oil bag 51 will enter the inside of the oil hole 53 through the oil outlet pipe 52, so that the lubricant enters the inside of the connecting ring 2, which can have a lubricating effect on the bolt 3, preventing rust from occurring due to long-term connection.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A lower metal control arm for a rear suspension of a vehicle, comprising a control arm body (1), characterized in that: The outer side of the control arm body (1) is fixedly connected with a connecting ring (2), the inside of the connecting ring (2) is provided with a bolt (3), and the inside of the control arm body (1) is provided with a damping mechanism (4); The damping mechanism (4) comprises a movable pipe (41), the movable pipe (41) is movably clamped with a nylon rod (42), the top of the nylon rod (42) is fixedly connected with a stress plate (43), and the bottom of the stress plate (43) is fixedly connected with a damping spring (44).

2. The lower metal control arm for a rear suspension of a vehicle according to claim 1, characterized in that: The inside of the control arm body (1) is provided with a lubricating mechanism (5), the lubricating mechanism (5) comprises an elastic oil bag (51), the outer side of the elastic oil bag (51) is fixedly connected with an oil outlet pipe (52), the inner wall of the connecting ring (2) is provided with an oil hole (53), the outer side of the control arm body (1) is fixedly connected with an oil inlet pipe (54), and the inside of the oil inlet pipe (54) is clamped with a plugging rod (55).

3. The lower metal control arm for a rear suspension of a vehicle according to claim 1, wherein: The movable pipe (41) is symmetrically and fixedly connected to the inner wall of the control arm body (1), and the stress plate (43) is located above the control arm body (1).

4. The lower metal control arm for a rear suspension of a vehicle according to claim 1, wherein: The bottom of the damping spring (44) is fixedly connected to the top of the movable pipe (41), and the nylon rod (42) is movably connected to the inside of the movable pipe (41) through the damping spring (44).

5. The lower metal control arm for a rear suspension of a vehicle according to claim 2, wherein: The elastic oil bag (51) is fixedly connected to the inside of the control arm body (1), and one end of the oil outlet pipe (52) is fixedly connected to the inside of the oil hole (53).

6. The lower metal control arm for a rear suspension of a vehicle according to claim 2, wherein: One end of the oil inlet pipe (54) is fixedly connected to the inside of the elastic oil bag (51), and the plugging rod (55) is matched with the oil inlet pipe (54).

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