Chassis structure of motor home

Abstract

The utility model relates to the technical field of trailer motor homes, in particular to a motor home chassis structure which comprises a main frame serving as a main supporting structure of a chassis. The at least two main beams are arranged in the main frame and are used for increasing the stability of the main frame; the suspension devices are mounted below the main frame and used for being connected with wheels and absorbing vibration in the driving process; and the damping mechanism is integrated in the suspension device. The motor home chassis has the advantages that the at least two main beams are arranged in the main frame, so that the overall rigidity of the chassis is improved, loads generated in the running process of the motor home are effectively dispersed, and the structural stability and the bearing capacity of the whole motor home are improved; the suspension device with the independent suspension design is adopted, the efficient damping mechanism is integrated on the basis, the damping mechanism comprises the damper, the spring, the telescopic pipe and other components, the jolting feeling caused by the uneven road surface can be remarkably reduced through the design, and the riding experience of passengers is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of trailer house car, in particular to a chassis structure of a house car. BACKGROUND

[0002] With the development of tourism and the change of personal travel mode, the house car as a kind of traffic tool integrating accommodation and travel is more and more welcomed by people, however, the traditional chassis structure of the house car often has some deficiencies, such as insufficient structural strength, poor damping effect and the like, which directly affect the driving safety and riding comfort of the house car, and the existing chassis of the house car is mostly transformed from the chassis of a traditional truck or bus, and such chassis design does not fully consider the specific use environment and requirements of the house car.

[0003] To solve the above problems, the present application provides a chassis structure of a house car. SUMMARY

[0004] The present application aims to solve at least one of the above technical defects.

[0005] To this end, one object of the present application is to provide a chassis structure of a house car to solve the problems mentioned in the background and overcome the deficiencies in the prior art.

[0006] To achieve the above object, in one aspect, the present application provides a chassis structure of a house car, comprising: a main frame as a main supporting structure of the chassis; at least two main beams arranged inside the main frame to increase the stability of the main frame; a plurality of suspension devices installed below the main frame for connecting the wheels and absorbing the vibration during driving; a damping mechanism integrated in the suspension device for reducing the bump caused by uneven road surface; and an extension frame located at the tail of the main frame to allow users to add additional equipment or modules according to requirements.

[0007] Preferably, the main frame is composed of a plurality of mutually perpendicular beam frames, and a plurality of placement units are arranged between the beam frames.

[0008] Preferably, the suspension device adopts an independent suspension design to provide better handling performance and riding experience; the suspension device comprises: a first fixed frame rotatably arranged on a support frame installed at the bottom of the main frame; a second fixed frame connected to the first fixed frame at one end, the second fixed frame being rotatably arranged on the support frame installed at the bottom of the main frame, the second fixed frame being connected to the wheel through a support pipe; an intermediate piece installed at one end on the first fixed frame and at the other end on the second fixed frame; and a positioning frame installed on the second fixed frame.

[0009] Preferably, the shock absorbing mechanism includes: a damper, one end of which is mounted on the bottom of the positioning plate on the main frame, and the other end is mounted on the positioning frame; a spring, which is sleeved on the outside of the damper, one end of the spring is mounted on the bottom of the positioning plate, and the other end is mounted on the positioning frame.

[0010] Preferably, the shock absorbing mechanism further comprises a telescopic tube, both ends of which are provided with fixing rings, one of the fixing rings being rotatably mounted on a connecting frame mounted at the bottom of the main frame, and the other fixing ring being rotatably mounted on a support rod on one side of the positioning frame.

[0011] Preferably, any of the above schemes further includes at least four sets of sub-frames, which are symmetrically installed on the outside of the main beam in pairs, so as to provide a larger installation space and increase the expansion space.

[0012] Preferably, from any of the above schemes, the main beam is an integrally formed channel steel member, on which a plurality of inwardly closing straight notches and slot holes are provided.

[0013] Compared with the prior art, the advantages and beneficial effects of this application are:

[0014] 1. By setting at least two main beams inside the main frame, not only the overall rigidity of the chassis is increased, but also the load generated by the vehicle during driving is effectively dispersed, thereby improving the structural stability and carrying capacity of the entire RV.

[0015] 2. The suspension device adopts an independent suspension design, and on this basis integrates a high-efficiency shock absorption mechanism, including dampers and springs, as well as telescopic tubes and other components. These designs can significantly reduce the bumpy feeling caused by uneven road surfaces and greatly improve the passenger riding experience.

[0016] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram from a first perspective according to an embodiment of the present application;

[0019] Figure 2 A schematic diagram of a second viewing angle according to an embodiment of the present application;

[0020] Figure 3 According to the embodiment of this application Figure 2 A in the middle is an enlarged schematic diagram;

[0021] Figure 4 A schematic diagram showing a third viewing angle according to an embodiment of the present application;

[0022] Figure 5 Schematic diagram of a shock absorbing mechanism according to an embodiment of the present application;

[0023] Figure 6 Schematic diagram of a suspension mechanism according to an embodiment of the present application.

[0024] In the figure: 1. Main frame, 2. Main beam, 3. Suspension device, 31. First fixing frame, 32. Second fixing frame, 33. Intermediate part, 34. Positioning frame, 4. Shock absorption mechanism, 41. Damper, 42. Spring, 43. Telescopic tube, 44. Fixed ring, 5. Expansion frame, 6. Sub-frame. DETAILED DESCRIPTION

[0025] like Figures 1 to 6 As shown, a chassis structure of a recreational vehicle includes a main frame 1, a main beam 2, a suspension device 3, a shock absorbing mechanism 4, an expansion frame 5 and a sub-frame 6.

[0026] Furthermore, the main frame 1 serves as the main supporting structure of the chassis. The main frame 1 is composed of a plurality of mutually perpendicular beams, and a number of placement units are arranged between the beams for placing batteries to meet the daily power needs of the RV. The placement units are used to install batteries to provide power for the RV.

[0027] Furthermore, there are at least two main beams 2, which are arranged inside the main frame 1 to increase the stability of the main frame 1. The main beam 2 is an integrally formed channel steel member, which is provided with a number of inward-facing straight slots and slot holes. The setting of the straight slots and slot holes ensures the bearing capacity of the main beam 2 while reducing the overall weight of the main beam 2.

[0028] Furthermore, there are multiple suspension devices 3 installed below the main frame 1 to connect to the wheels and absorb vibrations during driving;

[0029] The suspension device 3 adopts an independent suspension design to provide better handling performance and riding experience, including:

[0030] A first fixing frame 31 is rotatably mounted on a support frame mounted at the bottom of the main frame 1;

[0031] A second fixing frame 32, one end of which is connected to the first fixing frame 31, the second fixing frame 32 is rotatably mounted on a support frame mounted at the bottom of the main frame 1, and the second fixing frame 32 is connected to the wheel via a support pipe;

[0032] An intermediate member 33, one end of which is mounted on the first fixing frame 31 and the other end of which is mounted on the second fixing frame 32, and the intermediate member 33 is used for the two first fixing frames 31 and the second fixing frames 32;

[0033] The positioning frame 34 is mounted on the second fixing frame 32 .

[0034] Furthermore, the shock absorbing mechanism 4 is integrated into the suspension device 3 to reduce the bumpy feeling caused by uneven road surface, including:

[0035] A damper 41, one end of which is mounted on the bottom of the positioning plate on the main frame 1, and the other end is mounted on the positioning frame 34;

[0036] A spring 42 is sleeved on the outside of the damper 41, with one end of the spring 42 mounted on the bottom of the positioning plate and the other end mounted on the positioning frame 34;

[0037] It also includes a telescopic tube 43, both ends of which are equipped with fixing rings 44, one of the fixing rings 44 is rotatably mounted on the connecting frame installed at the bottom of the main frame 1, and the other fixing ring 44 is rotatably mounted on the support rod on one side of the positioning frame 34.

[0038] The telescopic tube 43 , the damper 41 , the first fixing frame 31 and the second fixing frame 32 are combined to form a triangle.

[0039] Furthermore, the expansion rack 5 is located at the rear of the main frame 1, allowing the user to add additional equipment or modules as needed.

[0040] Furthermore, at least four groups of the sub-frames 6 are provided and symmetrically installed in pairs on the outside of the main beam 2 to provide a larger installation space and increase the expansion space.

Claims

1. A chassis structure of a recreational vehicle, characterized by: include: The main frame, which serves as the main supporting structure of the chassis; At least two main beams are arranged inside the main frame to increase stability of the main frame; Multiple suspension devices, installed below the main frame, used to connect to the wheels and absorb vibrations during driving; The shock-absorbing mechanism is integrated into the suspension device to reduce the bumpy feeling caused by uneven road surface; The expansion rack, located at the end of the main frame, allows users to add additional equipment or modules as needed.

2. The chassis structure of a recreational vehicle according to claim 1, characterized in that: The main frame is composed of a plurality of mutually perpendicular beams, and a plurality of placement units are arranged between the beams for placing batteries to meet the daily power demand of the RV.

3. The chassis structure of a recreational vehicle according to claim 1, characterized in that: The suspension adopts an independent suspension design to provide better handling performance and riding experience; The suspension device comprises: A first fixing frame is rotatably mounted on a supporting frame mounted on the bottom of the main frame; a second fixing frame, one end of which is connected to the first fixing frame, the second fixing frame being rotatably mounted on a support frame mounted on the bottom of the main frame, and the second fixing frame being connected to the wheel via a support tube; an intermediate member, one end of which is mounted on the first fixing frame and the other end of which is mounted on the second fixing frame; The positioning frame is installed on the second fixing frame.

4. The chassis structure of a recreational vehicle according to claim 3, characterized in that: The shock absorbing mechanism comprises: The damper has one end mounted on the bottom of the positioning plate on the main frame and the other end mounted on the positioning frame; The spring is sleeved on the outside of the damper, one end of the spring is installed on the bottom of the positioning plate, and the other end is installed on the positioning frame.

5. The chassis structure of a recreational vehicle according to claim 4, characterized in that: The shock absorbing mechanism also includes a telescopic tube, both ends of which are equipped with fixing rings, one of which is rotatably mounted on a connecting frame mounted at the bottom of the main frame, and the other is rotatably mounted on a support rod on one side of the positioning frame.

6. The chassis structure of a recreational vehicle according to claim 1, characterized in that: It also includes at least four sets of sub-frames, which are symmetrically installed on the outside of the main beam in pairs to provide a larger installation space and increase the expansion space.

7. The chassis structure of a recreational vehicle according to claim 1, characterized in that: The main beam is an integrally formed channel steel member, on which a plurality of inwardly closing straight slots and slot holes are opened.

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