Motor home frame profile, wallboard combined structure of motor home frame profile and motor home carriage

By using an aluminum alloy frame and wall panel combination structure for the RV, the problem of excessive space occupied by fasteners caused by square tubes is solved, resulting in a larger usable space and stronger load-bearing and impact resistance.

CN223457007UActive Publication Date: 2025-10-21SHANDONG MEIJING MEIJIA RV CO LTD
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Patent Information

Application Number
CN202422561649.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-21
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The use of square tubes in existing RV frames results in numerous wall panel fasteners, which take up a lot of space and affect the usable space inside the vehicle.

Method used

The RV frame is made of aluminum alloy profiles, including wall panel positioning parts and square tubes. The aluminum alloy profiles are embedded in the wall panel positioning parts, combined with an inner thermal insulation board, a middle metal plate and an outer decorative panel. The fixing points are dispersed to enhance the bonding strength.

Benefits of technology

It improves the bonding strength between the wall panels and the profiles, increases the usable space inside the carriage, enhances the load-bearing and impact resistance, and avoids structural strength reduction caused by stress concentration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a recreational vehicle frame profile, a wallboard combination structure of the recreational vehicle frame profile and a recreational vehicle carriage, and belongs to the field of recreational vehicles. According to the technical scheme, the recreational vehicle frame sectional material comprises an upper wallboard positioning part and a lower square pipe, a square hole is formed in the square pipe, the lower side face of the wallboard positioning part is shared by the upper side face of the square pipe, the interior of the wallboard positioning part is hollow, one side face of the wallboard positioning part sinks to form an inner plate for positioning, and the other side face of the wallboard positioning part sinks to form an outer plate for positioning. The concave surface is a plane, the other side of the concave surface is provided with a pinch plate concave, and the middle of the pinch plate concave is lower than the two sides. The frame section bar structure of the motor home is suitable for being combined and fixed with the wall plate, so that the combination strength of the wall plate and the section bar can be enhanced; the sectional material structure is high in strength, the load impact resistance of the sectional material structure is higher than that of a square tube sectional material structure, fixing points are dispersed, and the situation that the structural strength is reduced due to stress concentration at the fixing positions is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of recreational vehicle frame section bar and its wallboard combination structure and recreational vehicle compartment, belong to recreational vehicle field. BACKGROUND

[0002] Current recreational vehicle is divided into chassis integrated structure, bottom basin compartment separation structure.For some ready chassis recreational vehicle, recreational vehicle compartment is just installed assembled recreational vehicle compartment on existing ground, or directly assemble recreational vehicle compartment on chassis.The way of installing assembled recreational vehicle compartment on chassis has high installation efficiency, and is suitable for large-scale assembly line production.

[0003] The frame of conventional recreational vehicle structure uses square tube structure.But square tube itself has certain thickness and width, and the way of fixing wallboard structure on square tube will increase additional fixing parts, leading to the reduction of installation space and available space in recreational vehicle compartment.

[0004] Therefore, it is necessary to customize suitable recreational vehicle frame section bar to facilitate the installation of wallboard structure of recreational vehicle. SUMMARY

[0005] The utility model provides a kind of recreational vehicle frame section bar and its wallboard combination structure and recreational vehicle compartment, solve the fixing problem of recreational vehicle frame and wallboard.

[0006] To achieve the above object, the technical scheme adopted by the utility model is as follows: a recreational vehicle frame section bar, the section bar includes wallboard positioning portion on the upper part and square tube on the lower part, the inside of square tube is square hole, the lower side of wallboard positioning portion shares with the upper side of square tube, the inside of wallboard positioning portion is hollow, one side of wallboard positioning portion is sunken to form inner plate positioning, the sunken surface is plane, the other side is provided with buckle plate inner recess, the middle of buckle plate inner recess is lower than the height of both sides.

[0007] According to the recreational vehicle frame section bar, the inside of buckle plate inner recess structure is provided with circular arc groove, and the circular arc groove is communicated with the hollow inside of wallboard positioning portion.

[0008] According to the recreational vehicle frame section bar, the wallboard positioning portion and square tube of the section bar are aluminum alloy section bars, which are made by one-time forming extrusion.

[0009] The recreational vehicle wallboard combination structure made of the recreational vehicle frame section bar of the utility model is as follows: the recreational vehicle frame section bar serves as bottom support, and wallboard structure is placed on the upper part, the wallboard structure includes outer layer, middle layer and inner layer, the inner layer is interior decorative plate, the middle layer is thermal insulation board, and the outer layer is metal plate, and the three layers are combined and fixed, wherein the inner layer is outwardly protruded at lower edge and embedded in the inner plate positioning of the recreational vehicle frame section bar, the inner side surface of the inner layer is flush with the inner side surface of the square tube of the recreational vehicle frame section bar, and the lower part of the outer layer is attached to the upper edge of buckle plate inner recess.

[0010] According to the house car wallboard combination structure, the wallboard structure is fixed on the chassis of the house car as front and rear side wallboards.

[0011] The utility model discloses a house car compartment formed by the house car wallboard combination structure, the bottom is sectional material, the upper portion is installed the house car wallboard, the forehead is arranged on the front portion of the house car, a plurality of windows and a group of doors are formed on the house car wallboard, and the protective plate is installed in the inner recess of the buckle plate and buckled in the inner recess of the buckle plate.

[0012] The frame sectional material structure of the house car is suitable for being combined and fixed with the wallboard, and the combination strength of the wallboard and the sectional material can be enhanced.

[0013] The sectional material structure has great strength, and the load impact resistance is stronger than that of the pipe sectional material structure, the fixing points are dispersed, and the structural strength reduction caused by stress concentration of the fixing position is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the sectional view of the sectional material of the utility model,

[0015] Figure 2 It is the connection diagram of the sectional material and the wallboard structure of the utility model,

[0016] Figure 3 It is the house car compartment diagram formed by the sectional material and the wallboard of the utility model.

[0017] Figure 4 It is the house car compartment side view formed by the sectional material and the wallboard of the utility model.

[0018] Figure 5 It is the sectional view of the house car compartment formed by the sectional material and the wallboard of the utility model.

[0019] Reference signs: 1 wallboard positioning part 11 inner plate positioning 12 buckle plate inner recess 13 circular arc groove 2 square tube 21 square hole 3 wallboard structure 31 outer layer 32 middle layer 33 inner layer 4 window 5 door. IMPLEMENTATION

[0020] The specific structure of the utility model will be further described below:

[0021] The utility model discloses a house car frame sectional material and wallboard combination structure and house car compartment.

[0022] The sectional material includes the wallboard positioning part 1 of the upper portion and the square tube 2 of the lower portion, the inside of the square tube is the square hole 21, the lower side of the wallboard positioning part 1 shares the upper side of the square tube 2, the inside of the wallboard positioning part 1 is hollow, one side of the wallboard positioning part 1 is sunken to form the inner plate positioning 11, the sunken surface is a plane, the other side is provided with the buckle plate inner recess 12, and the middle of the buckle plate inner recess 12 is lower than the height of both sides.

[0023] Specifically, the arc grooves 13 are arranged on the upper and lower sides of the inner side of the buckle plate recess 12, and the arc grooves 13 are communicated with the hollow inside of the wallboard positioning part 1. The wallboard positioning part 1 and the square tube 2 of the profile are aluminum alloy profiles, which are made by one-time forming extrusion. The arc grooves 13 are made during the extrusion forming of the buckle plate recess, that is, the product structure is extruded, which can also enhance the strength of the position.

[0024] The house car wallboard combined structure made of the profile is characterized in that the house car frame profile is used as a bottom support, and the upper part is provided with the wallboard structure 3, the wallboard structure 3 comprises an outer layer, a middle layer and an inner layer, the inner layer is an internal decorative plate, the middle layer is a thermal insulation plate, and the outer layer is a metal plate, the three layers are combined and fixed, the inner layer is outwardly protruded at the lower edge and embedded in the inner plate positioning part 11 of the house car frame profile, the inner side surface of the inner layer is flush with the inner side surface of the square tube 2 of the house car frame profile, and the lower part of the outer layer is attached to the upper edge of the buckle plate recess 12.

[0025] The house car compartment composed of the house car wallboard combined structure is characterized in that the bottom is the profile, the upper part is provided with the house car wallboard, the front part of the house car is provided with a forehead, a plurality of windows 4 and a group of doors 5 are arranged on the house car wallboard, and a protective plate is arranged at the lower part of the outer part of the house car wallboard and buckled in the buckle plate recess 12.

[0026] The profile structure of the house car is suitable for being combined and fixed with the wallboard, and the combination strength of the wallboard and the profile is enhanced.

[0027] The profile structure has high strength, and the load impact resistance is stronger than that of the square tube profile structure, the fixing points are dispersed, and the structure strength reduction caused by stress concentration of the fixing position is avoided.

Claims

1. A recreational vehicle frame profile characterized by, The profile includes an upper wallboard positioning part (1) and a lower square tube (2), the inside of the tube is a square hole (21), the lower side of the wallboard positioning part (1) shares the upper side of the square tube (2), the inside of the wallboard positioning part (1) is hollow, one side of the wallboard positioning part (1) is sunken to form an inner plate positioning part (11), the sunken surface is a plane, the other side is provided with a buckle plate inner recess (12), the middle of the buckle plate inner recess (12) is lower than the height of the two sides.

2. The RV frame profile of claim 1 wherein, The buckle plate inner recess (12) is provided with a circular arc groove (13) on the inner side, which is communicated with the hollow inside of the wallboard positioning part (1).

3. The RV frame profile of claim 1 wherein, The wallboard positioning part (1) and the square tube (2) of the profile are aluminum alloy profiles, which are made by one-time forming extrusion.

4. The combination recreational vehicle wallboard structure fabricated from the recreational vehicle frame profile of claim 1, wherein, The house car frame profile serves as a bottom support, and an upper wallboard structure (3) is placed thereon, the wallboard structure (3) includes an outer layer, a middle layer and an inner layer, the inner layer is an interior decorative plate, the middle layer is a thermal insulation plate, and the outer layer is a metal plate, the three layers are combined and fixed, the inner layer is outwardly protruded at the lower edge and embedded in the inner plate positioning part (11) of the house car frame profile, and the inner side surface of the inner layer is flush with the inner side surface of the square tube (2) of the house car frame profile, and the lower part of the outer layer is attached to the upper edge of the buckle plate inner recess (12).

5. The combination recreational vehicle wall structure of claim 4 wherein, The wallboard structure (3) serves as front and rear side wallboards and left and right side wallboards, and the profile is fixed on the chassis of the house car.

6. A recreational vehicle compartment comprising the combination of claim 5, wherein, The bottom is a profile, and the upper part is provided with the house car wallboard, a forehead is arranged on the front part of the house car, a plurality of groups of windows (4) and a group of doors (5) are arranged on the house car wallboard, and a protective plate is arranged on the lower part of the outer part of the house car wallboard at the position of the buckle plate inner recess (12) and buckled in the buckle plate inner recess (12).