Folding frame of camping car and camping car
The campervan frame, designed with rotating connection and locking components, solves the problem of laborious folding of existing frames, achieving structural simplification and convenient operation.
Patent Information
- Application Number
- CN202520359144.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-04
AI Technical Summary
The existing folding frames of campervans require horizontal force to fold or unfold, making operation difficult and affecting the user experience.
The frame is designed with a rotating mechanism, and the front frame, rear frame, front wheel bracket and rear wheel bracket are connected by rotation. Combined with locking and limiting components, the frame structure is simplified and easy to operate.
The simplified frame structure improves ease of operation, reduces the force required for folding and unfolding, and enhances the user experience.
Smart Images

Figure CN223720976U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of baby carriage, more specifically, it relates to a folding frame of camping car and camping car. BACKGROUND
[0002] When taking children on a trip, in order to facilitate the carrying of goods and the rest of children, camping cars are usually used. In order to facilitate the carrying and storage of the camping car, the camping car usually includes a foldable frame and a cloth cover.
[0003] The existing Chinese patent with the authorization announcement number CN217969575U discloses a camping car, which includes a folding frame, a fixed shell, a connecting plate, a rotating frame and a roller.
[0004] The folding frame in the above-mentioned patent needs to be forced horizontally when folding or unfolding, which is laborious and affects the user experience. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, one of the purposes of the utility model is to provide a folding frame of camping car, which adopts a rotating mode to realize the folding of the frame, which not only simplifies the structure, but also facilitates operation.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A folding frame of camping car, comprising a rotatable folding frame, a rotatable folding wheel support and a reversible push handle; the frame comprises a front frame and a rear frame connected by rotation, the wheel support comprises a front wheel support and a rear wheel support connected by rotation, the front wheel support is connected with the front frame by rotation, the rear wheel support is connected with the rear frame by rotation, and the push handle is connected with the frame by rotation.
[0008] Further, a first rotating shaft is arranged between the front wheel support and the front frame, and a second rotating shaft is arranged between the rear frame and the rear wheel support.
[0009] Further, a third rotating shaft is arranged between the front wheel support and the rear wheel support; in the unfolded state, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged in a triangular shape.
[0010] Further, in the unfolded state, the push handle can form an included angle of less than 90° with the front frame and the rear frame respectively.
[0011] Further, a locking assembly is arranged between the push handle and the wheel support for multi-angle locking of the push handle.
[0012] Alternatively, a locking assembly is arranged between the push handle and the frame for multi-angle locking of the push handle.
[0013] Further, a limiting assembly is arranged between the handle and the wheel support; the limiting assembly comprises an arc-shaped limiting slot arranged on the wheel support, and a limiting pin arranged on the handle and matched with the arc-shaped limiting slot.
[0014] Further, a rotating joint is arranged between the front frame and the rear frame, and an extension part connected with the handle is arranged on the rotating joint.
[0015] To achieve the above object, the utility model further provides the following technical scheme.
[0016] A folding frame of a camping vehicle comprises a foldable frame and a foldable wheel support; a connecting assembly is arranged between the frame and the wheel support; the connecting assembly is used for locking the frame and the wheel support in an unfolded state and for linkage when the frame and the wheel support are folded.
[0017] The connecting assembly comprises a plurality of connecting shafts; or the connecting assembly comprises a plurality of connecting rods; or the connecting assembly comprises connecting shafts and connecting rods.
[0018] Another object of the utility model is to provide a camping vehicle comprising the folding frame of the camping vehicle.
[0019] In summary, the utility model has the following beneficial effects.
[0020] 1. The folding of the frame is realized by rotation, which can simplify the structure and facilitate operation.
[0021] 2. The folding of the frame is realized by rotation, which can simplify the structure and facilitate operation.
[0022] 3. The handle is rotatably connected with the frame and can be reversed, thus facilitating operation. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 Structure of the folding frame of the camping vehicle in embodiment 1 Figure One ;
[0024] Figure 2 Structure of the folding frame of the camping vehicle in embodiment 1 Figure Two ;
[0025] Figure 3 Structure of the folding frame of the camping vehicle in embodiment 1 Figure Three ;
[0026] Figure 4 Structure of the folding frame of the camping vehicle in embodiment 1Figure Four ;
[0027] Figure 5 Structure diagram of folding frame of camping car in embodiment 1 Figure Five ;
[0028] Figure 6 Structure diagram of folding frame of camping car in embodiment 2 Figure One ;
[0029] Figure 7 Structure diagram of folding frame of camping car in embodiment 2 Figure Two ;
[0030] Figure 8 Structure diagram of folding frame of camping car in embodiment 2 Figure Three .
[0031] In the figure: 11, front wall frame; 12, rear wall frame; 13, rotating joint; 131, extension; 21, front wheel support; 22, rear wheel support; 23, third rotating shaft; 31, first rotating shaft; 32, second rotating shaft; 4, push handle; 51, arc-shaped limiting groove; 52, limiting pin; 61, first supporting rod; 62, second supporting rod. DETAILED DESCRIPTION
[0032] The utility model will be further explained in detail below in combination with the drawings.
[0033] The specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law. Embodiment 1:
[0034] A folding frame of a camping car, referring to Figures 1 to 5 It comprises a rotatable folding frame and a rotatable folding wheel support; a connecting assembly is arranged between the frame and the wheel support; the connecting assembly is used to lock the frame and the wheel support in the unfolded state and to realize linkage when the frame and the wheel support are folded; in the embodiment, the folding of the frame is realized by rotating, which not only simplifies the structure, but also facilitates operation.
[0035] Referring to Figures 1 to 5Specifically, the vehicle frame in the embodiment includes a front surrounding frame 11 and a rear surrounding frame 12 connected in rotation; the front surrounding frame 11 and the rear surrounding frame 12 are both in U shape, and then the front surrounding frame 11 and the rear surrounding frame 12 form a rectangular vehicle frame when unfolded; when the vehicle frame is unfolded, the tent of the camping vehicle is arranged on the vehicle frame, and then the camping vehicle is formed; the double-frame structure of the front surrounding frame 11 and the rear surrounding frame 12 has the advantages of simple structure and convenient operation; the rotating joint 13 is arranged between the front surrounding frame 11 and the rear surrounding frame 12, so that the front surrounding frame 11 and the rear surrounding frame 12 are connected in rotation; of course, in other optional embodiments, the vehicle frame can also include a plurality of surrounding frames connected in rotation, for example, a front frame, a middle frame and a rear frame, which are not limited herein.
[0036] With reference to Figures 1 to 5 Specifically, the vehicle wheel support in the embodiment includes a front wheel support 21 and a rear wheel support 22 connected in rotation; the bottom of the front wheel support 21 is provided with a front wheel, and the bottom of the rear wheel support 22 is provided with a rear wheel; the front wheel and the rear wheel cooperate to realize the support and movement of the camping vehicle; the third rotating shaft 23 is arranged between the front wheel support 21 and the rear wheel support 22 in the embodiment, so that the front wheel support 21 and the rear wheel support 22 are connected in rotation.
[0037] With reference to Figures 1 to 5 In the embodiment, the vehicle frame is arranged on the inner side of the vehicle wheel support, and the connecting assembly is arranged between the front surrounding frame 11 and the front wheel support 21 and between the rear surrounding frame 12 and the rear wheel support 22; specifically, the connecting assembly in the embodiment includes the first rotating shaft 31 arranged between the front surrounding frame 11 and the front wheel support 21 and the second rotating shaft 32 arranged between the rear surrounding frame 12 and the rear wheel support; the first rotating shaft 31 is used to realize the rotating connection between the front wheel support 21 and the front surrounding frame 11, and the second rotating shaft 32 is used to realize the rotating connection between the rear wheel support 22 and the rear surrounding frame 12.
[0038] With reference to Figures 1 to 5 When the vehicle frame is in the unfolded state, the included angle between the front surrounding frame 11 and the rear surrounding frame 12 is about 180°, that is, the front surrounding frame 11 and the rear surrounding frame 12 are arranged in a flat manner; the included angle between the front wheel support 21 and the rear wheel support 22 is the maximum design value, about 45°, that is, the front wheel support 21 and the rear wheel support 22 are arranged in an inverted V shape; at this time, the first rotating shaft 31 and the second rotating shaft 32 can realize the locking of the vehicle frame and the vehicle wheel support in the unfolded state; the front surrounding frame 11 and the rear surrounding frame 12 are respectively rotated downward, so that the locking is released, and then the folding is performed; in the folding process, the first rotating shaft 31 and the second rotating shaft 32 realize linkage, so that the front wheel support 21 and the rear wheel support 22 are retracted; when the vehicle frame is in the folded state, the included angle between the front surrounding frame 11 and the rear surrounding frame is about 15°; the included angle between the front wheel support 21 and the rear wheel support 22 is the minimum design value, about 7°; therefore, the vehicle frame can reduce the volume when in the folded state, and is convenient to store.
[0039] With reference to Figures 1 to 5 , preferably, in the unfolded state, the first rotation shaft 31, the second rotation shaft 32 and the third rotation shaft 23 are arranged in a triangular shape, which is conducive to improving the stability in the locked state; in the present embodiment, the connecting assembly adopts the first rotation shaft 31 and the second rotation shaft 32, which not only has a simple structure, but also has good stability; of course, in other optional embodiments, the connecting assembly can also adopt other structures, such as a connecting rod, which is not limited herein.
[0040] With reference to Figures 1 to 5 , in the present embodiment, the folding frame further comprises a push handle 4, which is used to drive the camping vehicle to move; specifically, one end of the push handle 4 is rotatably connected to the frame, and the push handle 4 can freely rotate relative to the axis; specifically, an extension 131 is arranged on the rotating joint 13, and the push handle 4 is rotatably connected to the extension 131, which facilitates the reversing of the push handle; that is, in the unfolded state, the push handle 4 can form an included angle of less than 90° with the front and rear frames 11 and 12 respectively, and the camping vehicle can be pushed or pulled; in the present embodiment, a locking assembly is further arranged between the push handle 4 and the wheel support, which is used to realize multi-angle locking of the push handle 4, facilitating operation; the locking assembly can adopt various structures in the prior art, or a locking assembly can be arranged between the push handle and the extension, which is not limited herein; for example, the locking assembly comprises a sliding sleeve arranged on the push handle, and a connecting rod rotatably connected to the sliding sleeve, one end of the connecting rod away from the sliding sleeve being rotatably connected to the wheel support.
[0041] With reference to Figures 1 to 5 , preferably, a limiting assembly is arranged between the push handle 4 and the wheel support, thereby improving the stability of the push handle; two symmetrical limiting assemblies are arranged between the push handle 4 and the wheel support; specifically, the limiting assembly comprises an arc-shaped limiting slot 51 arranged on the frame, and a limiting pin 52 arranged on the push handle 4 and matched with the arc-shaped limiting slot 51; the limiting assembly formed by the arc-shaped limiting slot 51 and the limiting pin 52 can improve the stability of the push handle; when folding the frame, the push handle 4 is rotated until the limiting pin 52 is separated from the opening end of the arc-shaped limiting slot 51, thereby realizing folding of the push handle 4. Embodiment 2:
[0042] A folding frame of a camping vehicle, with reference to Figures 1 to 8 , based on embodiment 1, the difference between the present embodiment and embodiment 1 is that a supporting connecting rod is arranged between the front wheel support 21 and the rear wheel support 22 in the present embodiment; in the unfolded state of the frame, the supporting connecting rod can not only improve the structural strength and stability of the frame, but also serve as a bottom support; when the frame is unfolded, the camping vehicle cover is arranged on the frame to form a vehicle body for storing articles, and the supporting connecting rod can support the bottom of the vehicle body, thereby improving the stability.
[0043] Referring to Figures 6 to 8 Specifically, two support connecting rods are arranged between the front wheel support 21 and the rear wheel support 22 in the embodiment; the support connecting rod comprises a first support rod 61 and a second support rod 62 which are rotationally connected; one end of the first support rod 61 away from the second support rod is rotationally connected with the front wheel support 21, and one end of the second support rod 62 away from the first support rod 61 is rotationally connected with the rear wheel support 22; that is, the support connecting rod can be unfolded and folded, so as to be unfolded and folded along with the frame, facilitating the folding and storage of the frame. Embodiment 3
[0044] A camping vehicle, referring to Figures 1 to 8 which comprises the folding frame of the camping vehicle in the embodiment 1 or the embodiment 2.
Claims
1. A folding frame for a camper trailer, characterised by: The folding bicycle frame comprises a rotatable folding bicycle frame, a rotatable folding wheel support and a reversible handlebar; the bicycle frame comprises a front frame and a rear frame connected by rotation; the wheel support comprises a front wheel support and a rear wheel support connected by rotation; the front wheel support is connected to the front frame by rotation, the rear wheel support is connected to the rear frame by rotation, and the handlebar is connected to the bicycle frame by rotation.
2. The folding frame for a camper trailer according to claim 1, characterised in that: The first rotation shaft is arranged between the front wheel support and the front frame, and the second rotation shaft is arranged between the rear frame and the rear wheel support.
3. The folding frame for a camper trailer according to claim 2, wherein: The third rotation shaft is arranged between the front wheel support and the rear wheel support; in the unfolded state, the first rotation shaft, the second rotation shaft and the third rotation shaft are arranged in a triangular shape.
4. The folding trailer frame of claim 1, wherein: In the unfolded state, the handlebar can form an angle smaller than 90° with the front frame and the rear frame respectively.
5. The folding trailer frame for a camping trailer of claim 1, wherein: The handlebar and the wheel support are provided with a locking assembly for multi-angle locking of the handlebar. Alternatively, the handlebar and the bicycle frame are provided with a locking assembly for multi-angle locking of the handlebar.
6. The folding trailer frame for a camping trailer of claim 1, wherein: The handlebar and the wheel support are provided with a limiting assembly. The limiting assembly comprises an arc-shaped limiting slot arranged on the wheel support and a limiting pin arranged on the handlebar and matched with the arc-shaped limiting slot.
7. The folding trailer frame of claim 1, wherein: The front frame and the rear frame are provided with a rotation joint, and the rotation joint is provided with an extension part connected to the handlebar by rotation.
8. A folding frame for a camper trailer, characterised by: The folding bicycle frame comprises a rotatable folding bicycle frame and a rotatable folding wheel support; the bicycle frame and the wheel support are provided with a connecting assembly; the connecting assembly is used to lock the bicycle frame and the wheel support in the unfolded state and to realize linkage of the bicycle frame and the wheel support in the folded state. The connecting assembly comprises a plurality of connecting shafts; alternatively, the connecting assembly comprises a plurality of connecting rods; or the connecting assembly comprises a connecting shaft and a connecting rod.
9. A caravan characterised by: The folding bicycle frame comprises the folding bicycle frame of any one of claims 1-8.
Citation Information
Patent Citations
Camping car
CN217969575U