A-type motor home cab frame

By adopting the structural design of the bottom frame, middle frame and top frame, the manufacturing process of the A-type RV cab frame is simplified, and the problems of high manufacturing difficulty and cost in the prior art are solved, thereby achieving the effect of reducing manufacturing difficulty and cost saving.

CN222538895UActive Publication Date: 2025-02-28SHANGHAI ZHANLU ZHIXING TECH CO LTD
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Patent Information

Application Number
CN202420902003.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-02-28
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The manufacturing process of existing A-type RV cab frames is complex and difficult, resulting in high mold development costs and complex process control.

Method used

The structure design is adopted for the bottom frame, middle frame and top frame, where the bottom frame includes two concave bent horizontal pipes and two straight pipe vertical pipes. The middle frame and top frame are both composed of straight pipes, and the two vertical pipes are fixed on the vehicle's compartment plate respectively, simplifying the installation process.

Benefits of technology

It reduces the difficulty of manufacturing cab frames, reduces the cost of mold development and process control complexity, and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an A type motor home cab frame which comprises a bottom frame, a middle frame and a top frame, the bottom of the middle frame is connected with the top of the bottom frame, the bottom of the top frame is connected with the top of the middle frame, the bottom frame comprises two transverse pipes and two vertical pipes, the transverse pipes are downward-concave bent pipes, the top transverse pipe is connected with the top ends of the two vertical pipes, and the top transverse pipe is connected with the top ends of the two vertical pipes. The bottom transverse pipe is connected with the bottom ends of the two vertical pipes, the two vertical pipes can be fixed to two compartment plates of a vehicle respectively, the vertical pipes are straight pipes, and the middle frame and the top frame are both made of straight pipes. According to the structure, the manufacturing difficulty of the cab frame can be reduced, and the mold development cost and process management and control are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of recreational vehicles, in particular to an A-type recreational vehicle cab frame. Background Art

[0002] A-type RV is a large RV type, usually with spacious compartments and luxurious facilities, suitable for long-distance travel or long-term camping. A-type RV is usually equipped with facilities such as beds, kitchens, bathrooms, air conditioning and TVs, and has enough space and facilities to meet the needs of travelers.

[0003] A-type RVs are usually designed and manufactured with comfort and safety in mind, with good sound insulation, air conditioning systems and safety facilities, as well as convenient charging and water supply systems. In addition, A-type RVs usually have strong power and excellent handling performance, and can adapt to various road conditions and driving needs. A-type RVs are widely used.

[0004] The cab frame is an important component of a car, which supports and protects the driver. Currently, the cab frame is formed by stamping and bending sheet metal and welding, and then assembled to the chassis, which makes the manufacturing process of the cab frame complicated and difficult. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides an A-type RV cab frame. This structure can reduce the manufacturing difficulty of the cab frame, reduce mold development costs and process control.

[0006] A type A RV cab frame comprises a bottom frame, a middle frame and a top frame, wherein the bottom of the middle frame is connected to the top of the bottom frame, the bottom of the top frame is connected to the top of the middle frame, the bottom frame comprises two horizontal tubes and two vertical tubes, the horizontal tubes are concave curved tubes, the top horizontal tube is connected to the top ends of the two vertical tubes, the bottom horizontal tube is connected to the bottom ends of the two vertical tubes, the two vertical tubes can be respectively fixed to two compartment panels of the vehicle, the vertical tubes are straight tubes, the middle frame and the top frame are both made of straight tubes, and the vertical tubes are provided with front windshield mounting parts.

[0007] Preferably, the middle frame includes multiple first vertical tubes, multiple first transverse tubes and multiple second transverse tubes, the multiple first vertical tubes are distributed in the left and right directions, the bottom ends of the first vertical tubes are connected to the top transverse tubes, the first transverse tubes and the second transverse tubes are installed between two adjacent first vertical tubes, and the second transverse tubes are located above the first transverse tubes.

[0008] Preferably, the number of the first vertical pipes is four.

[0009] Preferably, the top frame includes a third horizontal tube, two second vertical tubes and two third vertical tubes, the second vertical tube and the top ends of the third vertical tubes are connected to the third horizontal tube, the bottom ends of the two second vertical tubes are respectively connected to the top ends of the leftmost and rightmost first vertical tubes, and the bottom ends of the two third vertical tubes are respectively connected to the top ends of the two first vertical tubes in the middle.

[0010] Preferably, the angle between the vertical pipe and the horizontal plane is greater than the angle between the first vertical pipe and the horizontal plane, and the angle between the first vertical pipe and the horizontal plane is greater than the angle between the second vertical pipe and the horizontal plane.

[0011] Preferably, the third vertical tube includes a top vertical tube and a bottom vertical tube, the top end of the top vertical tube is connected to the third horizontal tube, the bottom end of the top vertical tube is connected to the top end of the bottom vertical tube, and the bottom end of the bottom vertical tube is connected to the top end of the first vertical tube.

[0012] Preferably, the angle between the bottom vertical tube and the horizontal plane is greater than the angle between the top vertical tube and the horizontal plane.

[0013] The beneficial effects of the utility model are embodied in: the technical scheme includes a bottom frame, a middle frame and a top frame, wherein the bottom frame includes two horizontal tubes and two vertical tubes, the horizontal tubes are curved tubes, the vertical tubes are straight tubes, the middle frame and the top frame are both composed of straight tubes, and during installation, the two vertical tubes are respectively installed on the two compartment panels of the vehicle, and the compartment panels play a role of limiting and fixing the two vertical tubes, and the installation process does not require manpower or machine support for the cab frame. Except for the two horizontal tubes being curved tubes, the vertical tubes are straight tubes, and the middle frame and the top frame are composed of straight tubes, which reduces the mold development cost and process control, and reduces the manufacturing difficulty of the cab frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] In the accompanying drawings, 1-bottom frame, 2-middle frame, 3-top frame, 4-compartment plate, 101-transverse tube, 102-vertical tube, 103-front windshield mounting member, 201-first vertical tube, 202-first transverse tube, 203-second transverse tube, 301-second vertical tube, 302-third vertical tube, 303-third transverse tube, 3021-top vertical tube, 3022-bottom vertical tube. DETAILED DESCRIPTION

[0017] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0018] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0019] Example 1

[0020] like Figure 1 As shown, in this embodiment, a type A RV cab frame is provided, including a bottom frame 1, a middle frame 2 and a top frame 3. The bottom of the middle frame 2 is connected to the top of the bottom frame 1, and the bottom of the top frame 3 is connected to the top of the middle frame 2. The bottom frame 1 includes two horizontal tubes 101 and two vertical tubes 102. The horizontal tubes 101 are concave curved tubes. The top horizontal tube 101 is connected to the top ends of the two vertical tubes 102, and the bottom horizontal tube 101 is connected to the bottom ends of the two vertical tubes 102. The two vertical tubes 102 can be fixed on two compartment panels 4 of the vehicle respectively. The vertical tubes 102 are straight tubes. The middle frame 2 and the top frame 3 are both made of straight tubes. The vertical tubes 102 are provided with front windshield mounting parts 103.

[0021] The present embodiment includes a bottom frame 1, a middle frame 2 and a top frame 3, wherein the bottom frame 1 includes two transverse tubes 101 and two vertical tubes 102, the transverse tubes 101 are curved tubes, the vertical tubes 102 are straight tubes, the middle frame 2 and the top frame 3 are both composed of straight tubes, during installation, the two vertical tubes 102 are respectively installed on two compartment panels 4 of the vehicle, the compartment panels 4 limit the two vertical tubes 102 and fix them, the installation process does not require manpower or machine support for the cab frame, except that the two transverse tubes 101 are curved tubes, the vertical tubes 102 are straight tubes, the middle frame 2 and the top frame 3 are composed of straight tubes, which reduces the mold development cost and process control, and reduces the manufacturing difficulty of the cab frame.

[0022] A front windshield mounting member 103 is provided on the two vertical tubes 102 , and the two horizontal tubes 101 are bent into an arc shape to be consistent with the curvature of the front windshield. The two front windshield mounting members 103 and the two horizontal tubes 101 cooperate to install the front windshield.

[0023] The middle frame 2 in this embodiment includes a plurality of first vertical tubes 201, a plurality of first transverse tubes 202, and a plurality of second transverse tubes 203. The plurality of first vertical tubes 201 are distributed in the left-right direction. The bottom end of the first vertical tube 201 is connected to the top transverse tube 101. A first transverse tube 202 and a second transverse tube 203 are installed between two adjacent first vertical tubes 201. The second transverse tube 203 is located above the first transverse tube 202. In this embodiment, the middle frame 2 is formed by a plurality of first vertical tubes 201, a plurality of first transverse tubes 202, and a plurality of second transverse tubes 203. The first vertical tubes 201, the first transverse tubes 202, and the second transverse tubes 203 are all straight tubes.

[0024] In this embodiment, four first vertical pipes 201 are provided.

[0025] The top frame 3 described in this embodiment includes a third horizontal tube 303, two second vertical tubes 301 and two third vertical tubes 302. The top ends of the second vertical tubes 301 and the third vertical tubes 302 are connected to the third horizontal tube 303, the bottom ends of the two second vertical tubes 301 are respectively connected to the top ends of the leftmost and rightmost first vertical tubes 201, and the bottom ends of the two third vertical tubes 302 are respectively connected to the top ends of the two middle first vertical tubes 201.

[0026] In this embodiment, the top frame 3 is formed by the third transverse tube 303 , two second vertical tubes 301 and two third vertical tubes 302 . The third transverse tube 303 , the second vertical tubes 301 and the third vertical tubes 302 are all straight tubes.

[0027] In this embodiment, the included angle between the vertical pipe 102 and the horizontal plane is greater than the included angle between the first vertical pipe 201 and the horizontal plane, and the included angle between the first vertical pipe 201 and the horizontal plane is greater than the included angle between the second vertical pipe 301 and the horizontal plane.

[0028] The third vertical pipe 302 in this embodiment includes a top vertical pipe 3021 and a bottom vertical pipe 3022. The top end of the top vertical pipe 3021 is connected to the third horizontal pipe 303, the bottom end of the top vertical pipe 3021 is connected to the top end of the bottom vertical pipe 3022, and the bottom end of the bottom vertical pipe 3022 is connected to the top end of the first vertical pipe 201. In this embodiment, the top vertical pipe 3021 and the bottom vertical pipe 3022 are straight pipes.

[0029] In this embodiment, the included angle between the bottom vertical pipe 3022 and the horizontal plane is greater than the included angle between the top vertical pipe 3021 and the horizontal plane.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A type A RV cab frame, characterized in that: The invention comprises a bottom frame (1), a middle frame (2) and a top frame (3), wherein the bottom of the middle frame (2) is connected to the top of the bottom frame (1), and the bottom of the top frame (3) is connected to the top of the middle frame (2). The bottom frame (1) comprises two transverse tubes (101) and two vertical tubes (102), wherein the transverse tubes (101) are concave curved tubes, the top transverse tube (101) is connected to the top ends of the two vertical tubes (102), and the bottom transverse tube (101) is connected to the bottom ends of the two vertical tubes (102). The two vertical tubes (102) can be respectively fixed to two compartment plates (4) of a vehicle, and the vertical tubes (102) are straight tubes. The middle frame (2) and the top frame (3) are both made of straight tubes, and the vertical tubes (102) are provided with front windshield mounting parts (103).

2. The A-type RV cab frame according to claim 1, characterized in that: The middle frame (2) comprises a plurality of first vertical tubes (201), a plurality of first transverse tubes (202) and a plurality of second transverse tubes (203); the plurality of first vertical tubes (201) are distributed in the left-right direction; the bottom ends of the first vertical tubes (201) are connected to the top transverse tube (101); the first transverse tube (202) and the second transverse tube (203) are installed between two adjacent first vertical tubes (201); and the second transverse tube (203) is located above the first transverse tube (202).

3. The A-type RV cab frame according to claim 2, characterized in that: The number of the first vertical pipes (201) is four.

4. The A-type RV cab frame according to claim 3, characterized in that: The top frame (3) comprises a third transverse tube (303), two second vertical tubes (301) and two third vertical tubes (302); the top ends of the second vertical tubes (301) and the third vertical tubes (302) are connected to the third transverse tube (303); the bottom ends of the two second vertical tubes (301) are respectively connected to the top ends of the leftmost and rightmost first vertical tubes (201); and the bottom ends of the two third vertical tubes (302) are respectively connected to the top ends of the two first vertical tubes (201) in the middle.

5. The A-type RV cab frame according to claim 4, characterized in that: The included angle between the vertical pipe (102) and the horizontal plane is greater than the included angle between the first vertical pipe (201) and the horizontal plane, and the included angle between the first vertical pipe (201) and the horizontal plane is greater than the included angle between the second vertical pipe (301) and the horizontal plane.

6. The A-type RV cab frame according to claim 4, characterized in that: The third vertical tube (302) comprises a top vertical tube (3021) and a bottom vertical tube (3022), the top end of the top vertical tube (3021) is connected to the third horizontal tube (303), the bottom end of the top vertical tube (3021) is connected to the top end of the bottom vertical tube (3022), and the bottom end of the bottom vertical tube (3022) is connected to the top end of the first vertical tube (201).

7. The A-type RV cab frame according to claim 6, characterized in that: The angle between the bottom vertical tube (3022) and the horizontal plane is greater than the angle between the top vertical tube (3021) and the horizontal plane.