Frame of camping car
By designing a combined structure of the main beam, sub beam and V-shaped reinforcement beam components at the bottom of the camper frame, the problem of thin connectors at the bottom of the existing frame is solved, and a more stable and reliable frame structure is achieved.
Patent Information
- Application Number
- CN202421423688.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The X-shaped center connection piece at the bottom of the frame of the existing camper van frame is thin, difficult to withstand heavier items, and is prone to bend or collapse.
A frame chassis including main beam, secondary beam and V-shaped reinforced beam assembly is designed, and the overall structural stability of the frame is enhanced by the combination of reinforced beam assembly and drawstring.
On the basis of ensuring that the frame can be folded, the load-bearing capacity and stability of the frame are significantly improved, and the bending or collapse of the bottom connector is avoided.
Smart Images

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Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of outdoor products and relates to a camping vehicle frame. Background Art
[0002] As the living standards of modern people continue to improve, more and more people choose to go out for outdoor activities with their families on weekends. It is very convenient to use a camper to hold and carry items. Existing folding cars usually include a frame, a handle and four wheels arranged on the frame. In order to store and store the camper, many camper frames are now foldable.
[0003] The Chinese utility model patent with patent publication number CN 220332711 U discloses a portable folding bicycle, the bottom of the bicycle frame has an X-shaped central connecting piece, and when folding, the central connecting piece is pulled to move upward to achieve the folding and contraction of the bicycle bottom frame. However, this folding bicycle has the following disadvantages: the structure of the X-shaped central connecting piece at the bottom of the bicycle frame is too thin, and the central connecting piece is used as the load-bearing bottom surface of the bicycle frame. When heavy objects are placed in the bicycle frame, the central connecting piece is prone to bending or even collapse. Utility Model Content
[0004] The utility model aims to solve the above problems existing in the existing camping vehicles and proposes a frame which is not only foldable but also has a more stable load-bearing bottom surface.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] A camping vehicle frame, comprising a horizontal base frame and side frames vertically arranged on the base frame, characterized in that the base frame comprises a main crossbeam and four secondary crossbeams, and the four secondary crossbeams are arranged in groups of two at two ends of the main crossbeam; one end of the secondary crossbeam is movably connected to the main crossbeam, and the other end is movably connected to the side frame, and four heads of the four secondary crossbeams correspond to four bottom corners of the rectangular side frame respectively;
[0007] The chassis also includes a V-shaped reinforcing beam assembly, which is divided into two mutually hinged reinforcing beams. The reinforcing beam assemblies are symmetrically distributed in groups of two with the main beam as the center. The outer ends of the two reinforcing beams in the same group are respectively movably connected to two adjacent secondary beams. The chassis includes at least one group of reinforcing beam assemblies.
[0008] In the above-mentioned camping vehicle frame, a plurality of pull ropes are provided between the base frame and the side frames, and the number of the pull ropes corresponds to the number of the reinforcing beam assemblies; one end of the pull rope is fixed at the hinge point of the two reinforcing beams, and the other end thereof is fixed on the side frame.
[0009] In the above camping vehicle frame, after the base frame and the side frames are unfolded, the pull rope is in a straightened state.
[0010] In the above-mentioned camping vehicle frame, the outer end of the reinforcing beam is movably set on the secondary beam through a connecting seat, and the connecting seat includes a seat body and two supports rotatably set on the seat body. The seat body is fixed on the secondary beam, and the axial direction of the rotation center axis of the support extends along the direction of the secondary beam; the outer end of the reinforcing beam is rotatably set on the support, and the axial direction of the rotation center axis of the reinforcing beam extends along the vertical direction.
[0011] In the above-mentioned camping vehicle frame, a through hole is provided on the support, and the secondary cross beam passes through the through hole, and the cross-sectional shape of the secondary cross beam is adapted to the cross-sectional shape of the through hole; the support can translate back and forth along the length direction of the secondary cross beam, and the support is fixedly connected to the secondary cross beam by fasteners.
[0012] In the above-mentioned camping vehicle frame, both ends of the main crossbeam are movably connected to the secondary crossbeam through a second connecting seat, and a mounting hole is provided on an end surface of the connecting seat facing the main crossbeam, the head of the main crossbeam is inserted into the mounting hole and fixed by fasteners, and the cross-sectional shape of the main crossbeam is adapted to the cross-sectional shape of the mounting hole; a connecting plate is fixedly provided at one end of the secondary crossbeam close to the second connecting seat, and the connecting plate is rotatably set on the second connecting seat through a rotating shaft, and the axial direction of the rotation center axis of the secondary crossbeam extends in the horizontal direction.
[0013] In the above-mentioned camping vehicle frame, the two reinforcing beams are each provided with a hinge seat at one end facing the opposite end, and the two reinforcing beams in the same group are rotatably connected through the two hinge seats; an insertion hole is opened at one end of the hinge seat, the reinforcing beam is inserted into the insertion hole of the hinge seat and fixed by a fastener, and the cross-sectional shape of the reinforcing beam is adapted to the cross-sectional shape of the insertion hole; the axial direction of the rotation center axis of the two hinge seats extends in the vertical direction.
[0014] Compared with the prior art, the utility model strengthens the overall structure of the chassis on the folding frame on the basis of the existing folding frame. By adding at least one group of reinforcing beam components, the chassis serves as the load-bearing bottom surface of the frame. On the basis of ensuring the folding function, the firmness and stability of the overall structure of the chassis are improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the frame of the utility model;
[0016] Figure 2 It is a top view of the frame of the utility model;
[0017] Figure 3 It is a schematic diagram of the overall structure of the chassis of the utility model;
[0018] Figure 4 It is an enlarged schematic diagram of the chassis of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the pull rope of the utility model.
[0020] In the figure, 1, side frame; 2, main crossbeam; 3, secondary crossbeam; 4, reinforcing crossbeam; 5, pull rope; 6, connecting seat 1; 7, seat body; 8, support; 9, connecting seat 2; 10, connecting plate; 11, hinged seat. DETAILED DESCRIPTION
[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0022] like Figures 1 to 3 As shown, a camping vehicle frame described in the utility model includes a horizontal base frame and a side frame 1 vertically arranged on the base frame, the base frame includes a main crossbeam 2 and four auxiliary crossbeams 3, and the four auxiliary crossbeams 3 are arranged in groups of two at the two ends of the main crossbeam 2; one end of the auxiliary crossbeam 3 is movably connected to the main crossbeam 2, and the other end is movably connected to the side frame 1, and the four heads of the four auxiliary crossbeams 3 correspond to the four bottom corners of the rectangular side frame 1 respectively.
[0023] The chassis also includes a V-shaped reinforcing beam assembly, which is divided into two mutually hinged reinforcing beams 4. The reinforcing beam assemblies are symmetrically distributed in groups of two with the main beam 2 as the center. The outer ends of the two reinforcing beams 4 in the same group are respectively movably connected to the two adjacent secondary beams 3. The chassis includes at least one group of reinforcing beam assemblies.
[0024] like Figure 5 As shown, a plurality of pull ropes 5 are provided between the bottom frame and the side frame 1, and the number of the pull ropes 5 corresponds to the number of the reinforcing beam assemblies; one end of the pull rope 5 is fixed at the hinge point of the two reinforcing beams 4, and the other end is fixed on the side frame 1. After the bottom frame and the side frame 1 are unfolded, the pull rope 5 is in a straightened state, thereby improving the stability of the connection between the side frame 1 and the bottom frame after the frame is unfolded.
[0025] like Figure 4As shown, the outer end of the reinforcing beam 4 is movably arranged on the secondary beam 3 through a connecting seat 6. The connecting seat 6 includes a seat body 7 and two supports 8 rotatably arranged on the seat body 7. The seat body 7 is fixed on the secondary beam 3, and the axial direction of the rotation center axis of the support 8 extends along the direction of the secondary beam 3; the outer end of the reinforcing beam 4 is rotatably arranged on the support 8, and the axial direction of the rotation center axis of the reinforcing beam 4 extends along the vertical direction. A through hole is provided on the support 8, and the secondary beam 3 passes through the through hole. The cross-sectional shape of the secondary beam 3 is adapted to the cross-sectional shape of the through hole; the support 8 can translate back and forth along the length direction of the secondary beam 3, and the support 8 is fixedly connected to the secondary beam 3 through fasteners. The design of the connecting seat 6 facilitates the installation of the reinforcing beam 4 and the secondary beam 3.
[0026] Both ends of the main crossbeam 2 are movably connected to the secondary crossbeam 3 through the connecting seat 2 9. A mounting hole is provided on one end surface of the connecting seat facing the main crossbeam 2. The head of the main crossbeam 2 is inserted into the mounting hole and fixed by fasteners. The cross-sectional shape of the main crossbeam 2 is adapted to the cross-sectional shape of the mounting hole. A connecting piece 10 is fixedly provided at one end of the secondary crossbeam 3 close to the connecting seat 2 9. The connecting piece 10 is rotatably arranged on the connecting seat 2 9 through a rotating shaft. The axial direction of the rotation center axis of the secondary crossbeam 3 extends in the horizontal direction. The design of the connecting seat 2 9 facilitates the installation of the main crossbeam 2 and the secondary crossbeam 3.
[0027] Two reinforcing beams 4 are provided with an articulated seat 11 at opposite ends, and the two reinforcing beams 4 of the same group are rotatably connected through the two articulated seats 11; one end of the articulated seat 11 is provided with an insertion hole, and the reinforcing beam 4 is inserted into the insertion hole of the articulated seat 11 and fixed by fasteners, and the cross-sectional shape of the reinforcing beam 4 is adapted to the cross-sectional shape of the insertion hole; the axial direction of the rotation center axis of the two articulated seats 11 extends in the vertical direction. The design of the articulated seat 11 facilitates the installation of the two reinforcing beams 4.
[0028] It should be understood that in the claims and description of the utility model, all "including..." should be understood as an open-ended meaning, that is, its meaning is equivalent to "at least contains...", and should not be understood as a closed meaning, that is, its meaning should not be understood as "only includes...".
[0029] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. A camping vehicle frame, comprising a horizontal base frame and a side frame (1) vertically arranged on the base frame, characterized in that: The base frame comprises a main crossbeam (2) and four auxiliary crossbeams (3), wherein the four auxiliary crossbeams (3) are arranged in groups of two at the two ends of the main crossbeam (2); one end of the auxiliary crossbeam (3) is movably connected to the main crossbeam (2), and the other end is movably connected to the side frame (1), and the four heads of the four auxiliary crossbeams (3) respectively correspond to the four bottom corners of the rectangular side frame (1); The chassis also includes a V-shaped reinforcement beam assembly, which is divided into two mutually hinged reinforcement beams (4). The reinforcement beam assemblies are arranged in groups of two and are symmetrically distributed around the main beam (2). The outer ends of the two reinforcement beams (4) in the same group are respectively movably connected to two adjacent secondary beams (3). The chassis includes at least one group of reinforcement beam assemblies.
2. A camper frame according to claim 1, characterized in that: A plurality of pull ropes (5) are also provided between the base frame and the side frame (1), and the number of the pull ropes (5) corresponds to the number of the reinforcing beam assemblies; one end of the pull rope (5) is fixedly arranged at the hinge point of the two reinforcing beams (4), and the other end thereof is fixedly arranged on the side frame (1).
3. A camping vehicle frame according to claim 2, characterized in that: After the base frame and the side frame (1) are unfolded, the drawstring (5) is in a straightened state.
4. A camper frame according to claim 1, characterized in that: The outer end of the reinforcing crossbeam (4) is movably arranged on the secondary crossbeam (3) through a connecting seat (6); the connecting seat (6) comprises a seat body (7) and two supports (8) rotatably arranged on the seat body (7); the seat body (7) is fixed on the secondary crossbeam (3); the axial direction of the rotation center axis of the support (8) extends along the direction of the secondary crossbeam (3); the outer end of the reinforcing crossbeam (4) is rotatably arranged on the support (8); the axial direction of the rotation center axis of the reinforcing crossbeam (4) extends along the vertical direction.
5. A camping vehicle frame according to claim 4, characterized in that: The support (8) is provided with a through hole, through which the secondary cross beam (3) passes, and the cross-sectional shape of the secondary cross beam (3) matches the cross-sectional shape of the through hole; the support (8) can translate back and forth along the length direction of the secondary cross beam (3), and the support (8) is fixedly connected to the secondary cross beam (3) via a fastener.
6. A camper frame according to claim 1, characterized in that: Both ends of the main crossbeam (2) are movably connected to the secondary crossbeam (3) via a second connecting seat (9); a mounting hole is provided on one end surface of the connecting seat facing the main crossbeam (2); the head of the main crossbeam (2) is inserted into the mounting hole and fixed via a fastener; the cross-sectional shape of the main crossbeam (2) matches the cross-sectional shape of the mounting hole; a connecting piece (10) is fixedly provided at one end of the secondary crossbeam (3) close to the second connecting seat (9); the connecting piece (10) is rotatably arranged on the second connecting seat (9) via a rotating shaft; the axial direction of the rotation center axis of the secondary crossbeam (3) extends in the horizontal direction.
7. A camping vehicle frame according to claim 1, characterized in that: The two reinforcing cross beams (4) are each provided with a hinge seat (11) at one end facing the opposite end, and the two reinforcing cross beams (4) in the same group are rotatably connected via the two hinge seats (11); an insertion hole is provided at one end of the hinge seat (11), and the reinforcing cross beam (4) is inserted into the insertion hole of the hinge seat (11) and fixed via a fastener, and the cross-sectional shape of the reinforcing cross beam (4) is adapted to the cross-sectional shape of the insertion hole; the axial direction of the rotation center axis of the two hinge seats (11) extends in the vertical direction.
Citation Information
Patent Citations
Portable folding bicycle
CN220332711U