Chassis suspension of motor home
By installing hydraulic shock absorbers in the RV suspension system, the problem of large fluctuations in air suspension under complex road conditions has been solved, achieving the effect of reducing fluctuation range and cost.
Patent Information
- Application Number
- CN202423069696.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing RV air suspension systems exhibit significant fluctuations under complex road conditions, which can easily damage the airbags, and current technologies have not effectively solved this problem.
A hydraulic shock absorber is installed on the suspension arm to absorb the impact force of the air suspension, thereby reducing the stress on the air suspension. A reasonable structural design is adopted to reduce production costs.
It effectively reduces the floating amplitude of the air suspension, reduces the risk of airbag damage, lowers production costs, and is suitable for widespread application.
Smart Images

Figure CN223618538U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of suspension assembly technology, specifically relating to a motorhome chassis suspension. Background Technology
[0002] A motorhome, also known as a "home on wheels," combines the functions of a "house" and a "vehicle," but its primary attribute is still that of a vehicle. It is a type of mobile vehicle equipped with the essential facilities for living. It is divided into driving area, living area, bedroom area, bathroom area, kitchen area, etc., and is a fashionable product that integrates "clothing, food, housing, and transportation," realizing "living while traveling, and traveling while living."
[0003] An air suspension system is a configuration of vehicle suspension. It uses compressed air generated by an air compressor to deliver air to the air chambers of the springs and shock absorbers. By adjusting the air pressure, the vehicle's height and stiffness can be changed. Low-bed semi-trailers carry heavy loads, and when passing through washboard roads or dirt roads, the air suspension will bear a lot of working pressure. In addition, the road conditions are complex, and flying stones can easily damage the air suspension air chambers. Based on this, our company has developed a chassis suspension that reduces the swing amplitude of the air suspension to replace the existing technology. Utility Model Content
[0004] Purpose of the utility model: The purpose of this utility model is to provide a RV chassis suspension to solve the technical problem of large floating amplitude of air suspension in the prior art.
[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a motorhome chassis suspension, including a first connecting member for connecting the chassis, characterized in that: one end of the suspension arm is rotatably connected to the first connecting member, the other end of the suspension arm is fixedly connected to a second connecting member, the second connecting member is connected to a wheel rotating rod, the second connecting member is fixedly connected to a first rotating connecting member, an air suspension device is rotatably connected to the first rotating connecting member, and the upper part of the air suspension device is fixedly connected to the chassis.
[0006] Furthermore: a second rotating connector is installed at the end of the suspension arm away from the air suspension device, the swing arm is rotatably installed between the second rotating connector and the first rotating connector, one end of the hydraulic shock absorber is connected to the chassis through a third rotating connector, and the other end of the hydraulic shock absorber is rotatably connected to the suspension arm through a fourth rotating connector.
[0007] Compared with the prior art, the present invention has the following advantages: by adding a rotating hydraulic damping device to the suspension arm, the hydraulic damping device bears the force when the air suspension is impacted during operation, thereby reducing the force on the air suspension. Since the structure of the present application is more reasonable, the production cost is lower, making it suitable for widespread promotion and application. Attached Figure Description
[0008] Figure 1 This is a structural diagram of the utility model. Detailed Implementation
[0009] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0010] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0011] Example 1:
[0012] In this embodiment, as Figure 1 As shown, a motorhome chassis suspension includes a first connecting member 1 for connecting to the chassis, characterized in that: one end of the suspension arm 2 is rotatably connected to the first connecting member 1, the other end of the suspension arm 2 is fixedly connected to the second connecting member 3, the second connecting member 3 is connected to the rotating rod of the wheel 4, the second connecting member 3 is fixedly connected to the first rotating connecting member 6, the air suspension device 5 is rotatably connected to the first rotating connecting member 6, and the upper part of the air suspension device 5 is fixedly connected to the chassis;
[0013] A second rotating connector 7 is installed at the end of the suspension arm 2 away from the air suspension device 5. The swing arm 8 is rotatably installed between the second rotating connector 7 and the first rotating connector 6. One end of the hydraulic shock absorber 9 is connected to the chassis through the third rotating connector 10, and the other end of the hydraulic shock absorber 9 is rotatably connected to the suspension arm 2 through the fourth rotating connector 11.
[0014] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered within the protection scope of the present utility model.
Claims
1. A motorhome chassis suspension, comprising a first connecting member (1) for connecting to the chassis, characterized in that: One end of the suspension arm (2) is rotatably connected to the first connecting member (1), and the other end of the suspension arm (2) is fixedly connected to the second connecting member (3). The second connecting member (3) is connected to the rotating rod of the wheel (4). The second connecting member (3) is fixedly connected to the first rotating connecting member (6). The air suspension device (5) is rotatably connected to the first rotating connecting member (6). The upper part of the air suspension device (5) is fixedly connected to the chassis. One end of the hydraulic shock absorber (9) is connected to the chassis via the third rotating connector (10), and the other end of the hydraulic shock absorber (9) is rotatably connected to the suspension arm (2) via the fourth rotating connector (11).
2. The RV chassis suspension according to claim 1, characterized in that, A second rotating connector (7) is installed at the end of the suspension arm (2) away from the air suspension device (5), and the swing arm (8) is rotatably installed between the second rotating connector (7) and the first rotating connector (6).