Foldable camping car

By introducing a central support frame and a rotating connection structure into the foldable campervan, the problem of insufficient stability in existing folding vehicles has been solved, achieving higher stability and load-bearing capacity, and improving the user experience.

CN223574447UActive Publication Date: 2025-11-21ZHEJIANG PRIDE LEISURE PROD CO LTD
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Patent Information

Application Number
CN202422700076.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-11-21
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

The existing folding bikes lack support structures for their side cross tube assemblies and bottom folding frames, resulting in poor stability and easy shaking during riding, which affects the user experience.

Method used

A foldable campervan was designed, which uses a central support frame to support the base frame and achieves the folding of the side frames through a rotating connection and hinge structure to enhance the stability and load-bearing capacity of the frame. This includes the coordinated use of components such as rotating rods, hinges, and longitudinal support rods.

Benefits of technology

It improves the stability and load-bearing capacity of the frame, prevents side frame swaying, and enhances the user experience and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The foldable camping car comprises a car frame and wheels installed at the bottom of the car frame, the car frame comprises frames at the front end and the rear end, a foldable bottom frame rotationally connected between the two frames and foldable side frames located on the two sides, and the two ends of each side frame are rotationally connected to the frames at the front end and the rear end respectively. The bottom frame and the side frames are folded and drive the frames on the two sides to be folded, so that the frame is folded, the occupied space is small after folding, storage is convenient, and a user can conveniently carry the frame when going out; the frame further comprises a supporting frame located in the center, the bottom frame is arranged on the supporting frame, the two ends of the supporting frame are rotationally connected to the side frames, stability is improved, the side frames are reinforced, the side frames are prevented from being damaged by external force in the running process, the bearing capacity of the frame is also improved, and the good quality of products is further guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a folding bicycle technical field, in particular to a collapsible camping car. BACKGROUND

[0002] Outdoor activities are more and more popular, such as camping, fishing, shooting, etc. In outdoor activities, usually carry more goods, manpower to carry goods to the destination, not only time-consuming but also laborious, so people buy a cart, in the face of the above situation can be placed on the cart a large number of goods push or pull to the destination. In order to facilitate people to carry outside, the market also invented a folding cart, not in use can be folded, and will not occupy a larger space.

[0003] The existing folding bicycle such as Chinese patent CN219007856U, the disclosure therein is as follows: a capacity expansion cart, having an unfolded state and a folding state, comprising a plurality of support vertical rods, a plurality of front and rear cross pipe assemblies, a plurality of side cross pipe assemblies, a bottom folding frame connected between all support vertical rods, a plurality of wheel assemblies arranged at the lower part of the corresponding support vertical rods, a plurality of support vertical rods are connected into a frame through two front and rear cross pipe assemblies and two side cross pipe assemblies, characterized in that: the support vertical rod is further provided with a sliding pipe assembly, the sliding pipe assembly is lifted and lowered with the extension and contraction of the front and rear cross pipe assemblies and / or the side cross pipe assemblies.

[0004] The side cross pipe assembly and the bottom folding frame of the above-mentioned folding bicycle have no supporting structure, and are only connected on both sides, so the stability is general, and the folding bicycle is easy to shake during driving, thereby bringing bad experience to users. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects of the prior art, the utility model provides a collapsible camping car. In order to solve the above technical problems, the utility model provides the following technical scheme.

[0006] A collapsible camping car, comprising a frame and a wheel mounted on the bottom of the frame, the frame comprising a frame at the front and rear ends, a bottom frame rotatably connected between the two frames and foldable, and a side frame rotatably connected to the frame at both ends, the frame comprising a vertical column on both sides and an upper rod and a lower rod connected between the vertical columns, the frame further comprising a support frame at the center, the bottom frame being arranged on the support frame, and the both ends of the support frame being rotatably connected to the side frame.

[0007] Further, a rotating rod is arranged on the vertical column, one end of the rotating rod being hinged to the vertical column, and the other end being hinged to the side frame; the upper end of one side of the side frame is hinged to the upper end of the vertical column, and the lower end is hinged to the rotating rod, so that the folding of the side frame is realized by the rotation of the rotating rod.

[0008] Furthermore, the side frame includes three or more odd-numbered hinged cross frames, each cross frame including two centrally riveted poles; in the outer cross frame, the two poles at the outer end of the cross frame are respectively hinged to the upper end of the column and the rotating rod.

[0009] Furthermore, the base frame includes an even number of bottom folding frames, with each pair of adjacent bottom folding frames being rotatably connected.

[0010] Furthermore, the bottom folding frame includes bottom rods on both sides and a support rod connecting the two bottom rods. The bottom folding frame is folded by hinged bottom rods. The frame is provided with a hinge, and the outer end of the bottom rod is hinged to the hinge.

[0011] Furthermore, the support frame includes a bottom support rod at the lower end of the base frame and longitudinal support rods extending upward from both ends of the bottom support rod. The base frame is placed on the bottom support rod, and the longitudinal support rods are hinged to the side frame.

[0012] Furthermore, the longitudinal support rod is provided with a movable groove, and a rivet passes through the movable groove and is connected to the side frame. When the side frame is folded or unfolded, the rivet moves up and down in the movable groove.

[0013] Furthermore, the longitudinal support rod is provided with a movable piece that can move up and down. The upper and lower ends of the movable piece are respectively provided with rivet holes and movable grooves. The rivet passes through the rivet holes and is connected to the side frame. The upper end of the longitudinal support rod is also provided with rivet holes. The rivet passes through the rivet holes and the movable groove. When the side frame is folded or unfolded, the rivet moves up and down in the movable groove.

[0014] Furthermore, a telescopic tie rod is provided on one side of the frame of the vehicle frame, and the tie rod is hinged to the lower rod.

[0015] Furthermore, a pull ring is provided at the top of the pull rod.

[0016] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0017] The frame of this utility model includes a central support frame, with a base frame placed on the support frame and supporting the base frame from below, increasing stability and load-bearing capacity. The two ends of the support frame are rotatably connected to the side frames, and the two ends of the support frame wrap around the outside of the two side frames, reinforcing the side frames and further increasing stability, preventing the side frames from swaying during driving, and increasing the sturdiness of the side frames, thus further ensuring the good quality of the product. Attached Figure Description

[0018] Figure 1 The three-dimensional representation of this utility model Figure 1 .

[0019] Figure 2 This is a top view of the present invention.

[0020] Figure 3 The side view of the utility model Figure 1 .

[0021] Figure 4 The side view of the utility model Figure 2 .

[0022] Figure 5 The utility model is a three-dimensional Figure 2 .

[0023] Reference sign: 1, frame, 2, wheel, 3, frame, 4, underframe, 5, side frame, 6, support frame, 7, stand, 8, upper rod, 9, lower rod, 10, rotating rod, 11, cross frame, 12, pole, 13, bottom folding frame, 14, bottom rod, 15, reinforcing rod, 16, bottom support rod, 17, longitudinal support rod, 18, movable slot, 19, pull rod, 20, pull ring, 21, hinge, 22, movable piece. Specific implementation

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] As Figures 1-5 shown, a foldable camping vehicle includes a frame 1 and a wheel 2 installed at the bottom of the frame 1. The frame 1 includes frames 3 at the front and rear ends, an underframe 4 rotatably connected between the two frames 3 and foldable, and foldable side frames 5 at both sides. The two ends of the side frames 5 are rotatably connected to the frames 3 at the front and rear ends respectively. The underframe 4 and the side frames 5 are folded to drive the frames 1 at both sides to be folded, so that the frame 1 is folded, the space occupied after folding is small, and it is convenient to store and carry for users to go out.

[0026] The frame 1 further includes a support frame 6 at the center, the underframe 4 is arranged on the support frame 6, and the two ends of the support frame 6 are rotatably connected to the side frames 5. The support frame 6 is in a whole U shape. The design of the support frame 6 further increases the stability of the utility model, reinforces the side frames 5, prevents the side frames 5 from being damaged by external force during driving, and increases the load-bearing capacity of the frame 1, further ensuring the good quality of the product.

[0027] The frame 3 includes stand 7 at both sides and upper rod 8 and lower rod 9 connected between the stands 7. The frame 1 is in a whole rectangle.

[0028] The rotating rod 10 is hinged to the upright 7 at one end and to the side frame 5 at the other end, and can drive the side frame to rotate and fold. The upper end of one side of the side frame 5 is hinged to the upper end of the upright 7, and the lower end is hinged to the rotating rod 10. When folding, the upper end of the side frame 5 is fixed, and the lower end is driven to move downward by the rotating rod 10 to achieve folding. The upright 7 does not rise after folding, further reducing the size after folding, facilitating packaging and carrying out.

[0029] The side frame 5 includes three hinged cross frames 11. The cross frame 11 includes two center movable riveted handlebars 12, which can rotate up and down at the riveting point for unfolding or folding. Among the two outer cross frames 12, the two handlebars 12 at the outer end of the cross frame 12 are respectively hinged to the upper end of the upright 7 and the rotating rod 10. The middle cross frame 12 is hinged to the adjacent cross frame 12. The structure is relatively simple, and production is facilitated.

[0030] The bottom frame 4 includes two bottom folding frames 13 hinged to each other. When folding, the two bottom folding frames 13 rotate upward around the hinge point to fold. The bottom folding frame 13 includes two bottom rods 14 on both sides and a reinforcing rod 15 connected between the two bottom rods 14. The two bottom folding frames 13 are connected by hinged bottom rods 14 to achieve foldable connection. The frame 3 is provided with a hinge 21 welded to the frame 3. The outer end of the bottom rod 14 is hinged to the hinge 21. When folding, the bottom rod 14 of the bottom folding frame 13 rotates upward around the hinge 21, and the hinged ends of the two bottom folding frames 13 gradually move upward.

[0031] The support frame 6 includes a bottom support rod 16 at the lower end of the bottom frame 4 and a longitudinal support rod 17 extending upward at both ends of the bottom support rod 16. The bottom frame 4 is placed on the bottom support rod 16 to increase the load-bearing capacity of the frame 1. The longitudinal support rod 17 is hinged to the side frame 5 and hinged to the center handlebar 12. The longitudinal support rod 17 effectively reinforces the side frame 5 and increases the stability of the side frame 5.

[0032] Example one

[0033] As shown in Figure 1 or 3, the longitudinal support rod 17 is provided with a movable slot 18. The rivet passes through the movable slot 19 and is connected to the side frame 5. The two handlebars 12 are coaxially riveted. When the side frame 5 is folded or unfolded, the rivet moves up and down in the movable slot 18.

[0034] The wheels 2 are installed at the bottom of the upright 7. The wheels on one side of the pull rod 19 are universal wheels.

[0035] Example two

[0036] As shown in Figure 4As shown, unlike the first embodiment, the longitudinal support rod 17 is provided with a movable piece 22 movable up and down, the movable piece 22 is inserted on the upper end of the longitudinal support rod 17, the upper and lower ends of the movable piece 22 are respectively provided with rivet holes and movable grooves 18, the upper end of the movable piece 22 is connected to the side frame 5 through the rivet passing through the rivet hole, and is coaxially hinged with the two vehicle rods 12; the upper end of the longitudinal support rod 17 is also provided with a rivet hole, and the rivet passes through the rivet hole and the movable groove 18, when the side frame 5 is folded or unfolded, the movable piece 22 moves up and down, and the rivet also moves up and down in the movable groove 18.

[0037] As shown, the frame 1 is provided with a telescopic pull rod 19, the pull rod 19 is located at the front end of the camping vehicle, the pull rod 19 is hinged to the lower rod 9, and the camping vehicle is driven by pulling the pull rod 19. The pull rod 19 adopts a telescopic rod, which can be adjusted to a suitable height according to the height of the user, and is convenient for people of different heights to pull. The top of the pull rod 19 is provided with a pull ring 20, the user holds the pull ring 20, which is convenient for the user to pull and avoids dropping.

[0038] Embodiment three

[0039] As Figure 5 shown, unlike the second embodiment, the wheels 2 on one side of the pull rod are installed on the lower rod 9, and the wheels on the other side are installed on the bottom of the vertical rod 7.

[0040] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A collapsible camper comprising a frame and wheels mounted to the underside of the frame, characterised in that, The frame comprises two end frames, a foldable bottom frame rotatably connected between the two end frames, and two foldable side frames rotatably connected to the end frames at their ends, the frame further comprises two side posts and an upper bar and a lower bar connected between the side posts, and a support frame located at the center, the bottom frame is arranged on the support frame, and the ends of the support frame are rotatably connected to the side frames.

2. The collapsible camper of claim 1, wherein, A rotating bar is arranged on the side post, one end of the rotating bar is hingedly connected to the side post, and the other end is hingedly connected to the side frame; the upper end of the side frame on one side is hingedly connected to the upper end of the side post, and the lower end is hingedly connected to the rotating bar, and folding of the side frame is realized by rotation of the rotating bar.

3. The collapsible camper of claim 2, wherein, The side frame comprises three or more odd-numbered cross frames hingedly connected, and each cross frame comprises two center movable riveted car rods; in the cross frame located at the outer side, the two car rods at the outer end of the cross frame are hingedly connected to the upper end of the side post and the rotating bar.

4. The collapsible camper of claim 1, wherein, The bottom frame comprises an even number of bottom folding frames, and each two adjacent bottom folding frames are rotatably connected.

5. The collapsible camper of claim 4, wherein, The bottom folding frame comprises two side rods and a support rod connected between the two side rods, and folding of the bottom folding frame is realized by the hingedly connected side rods, and the frame is provided with a hinge element, and the outer end of the side rod is hingedly connected to the hinge element.

6. The collapsible camper of claim 1, wherein, The support frame comprises a bottom support rod at the lower end of the bottom frame and a longitudinal support rod extending upward at the two ends of the bottom support rod, the bottom frame is arranged on the bottom support rod, and the longitudinal support rod is hingedly connected to the side frame.

7. The collapsible camper of claim 6, wherein, An active slot is arranged on the longitudinal support rod, a rivet passes through the active slot and is connected to the side frame, and the rivet moves up and down in the active slot when the side frame is folded or unfolded.

8. The collapsible camper of claim 6, wherein, An active piece that can move up and down is arranged on the longitudinal support rod, the upper and lower ends of the active piece are respectively provided with a rivet hole and an active slot, a rivet passes through the rivet hole and is connected to the side frame, and the upper end of the longitudinal support rod is also provided with a rivet hole, the rivet passes through the rivet hole and the active slot, and the rivet moves up and down in the active slot when the side frame is folded or unfolded.

9. The collapsible camper of claim 2, wherein, A telescopic pull rod is arranged on the frame on one side, and the pull rod is hingedly connected to the lower bar.

10. The collapsible camper of claim 9, wherein, A pull ring is arranged on the top of the pull rod.