Folding frame of camping wagon

By designing the articulated structure of the wheel module, fixed rod, folding base and folding fence frame, the unstability and large size of the folding frame of the camp car is solved, and smooth folding and miniaturization are achieved, which is suitable for convenient portability of camp car.

WO2025138331A1PCT designated stage expired Publication Date: 2025-07-03LINYI JIUGU METAL PRODUCTS CO LTD
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Patent Information

Application Number
PCT/CN2024/071071
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-12-28
Filing Date
2024-01-08
Publication Date
2025-07-03

AI Technical Summary

Technical Problem

The existing camp truck folding frame has a complex structure, unstable folding, easy to be damaged, and has a large volume after folding, making it inconvenient to carry.

Method used

A camp truck folding frame is designed including a wheel module, a fixing rod, a folding base and a folding fence frame. The folding movement is made more stable by the matching of the hinges and the sliding sleeve. The whole vehicle can be folded through a handle piece, and the pull rod is slidably inserted into the fixed seat to reduce the volume.

Benefits of technology

The folding movement is achieved smoothly, avoiding damage to the connection, and the size is small after folding, making it easy to carry and store.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN2024071071_03072025_PF_FP_ABST
    Figure CN2024071071_03072025_PF_FP_ABST
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Abstract

A folding frame of a camping wagon, comprising wheel modules, fixing rods, a folding base and a folding fence frame. The fixing rods are fixedly mounted on the wheel modules, the folding base can be folded upwards and unfolded downwards to be mounted on the fixing rods, and the folding fence frame can be folded inwards and unfolded outwards to be mounted on the fixing rods. The folding frame of a camping wagon has a simple structure, achieves flexible folding, allows for more stable folding motion, avoids joint damage, and has a small size after being folded.
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Description

Folding frame of camping vehicle Technical Field

[0001] The utility model relates to a folding frame of a camping vehicle. Background Art

[0002] Camping cars are a new popular product in recent years. They can hold various items and are convenient for people to use when camping. There are not many foldable camping cars on the market. However, camping cars are large in size and take up more space. If they cannot be folded, they will be inconvenient to carry.

[0003] There are some foldable camping vehicles on the market, but the frame structure of most foldable camping vehicles is very complex, and there are fewer stress points during the folding process, resulting in an unstable folding movement, which can easily cause damage to the joints, and the volume is still large after folding.

[0004] Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the present utility model is to provide a folding frame for a camping vehicle which has a simple structure, is flexible to fold, can make the folding movement smoother, avoids damage to the connection, and has a small volume after folding.

[0006] The utility model proposes a folding frame for a camping vehicle, which is characterized by comprising a wheel module, a fixing rod, a folding base and a folding fence frame, wherein the fixing rod is fixedly mounted on the wheel module, the folding base can be folded upward and unfolded downward and mounted on the fixing rod, and the folding fence frame can be retracted inward and unfolded outward and mounted on the fixing rod.

[0007] Furthermore, a fixing sleeve is provided at the bottom of the fixing rod, the fixing sleeve is vertically fixed on the wheel module, and the fixing rod is vertically fixed in the fixing sleeve.

[0008] Furthermore, it also includes an upper sleeve and a sliding sleeve, the upper sleeve is fixedly installed on the top of the fixed rod, and the sliding sleeve is slidably sleeved on the fixed rod up and down.

[0009] Furthermore, the folding fence frame is installed between the upper sleeve and the sliding sleeve.

[0010] Furthermore, the folding fence frame includes a side upper tube, a side lower tube, a side inner tube, a front side upper tube and a front side lower tube;

[0011] One end of the side upper tube is hinged to one side of the upper sleeve, and the other end is hinged to one side of the first hinge;

[0012] One end of the side inner tube is hinged to the other side of the first hinged member, and the other end is hinged to one end portion of the side lower tube;

[0013] One end of the side lower tube is hinged to one side of the sliding sleeve, and the other end is hinged to one side of the second hinged member, and the other side of the second hinged member is hinged to an adjacent side lower tube;

[0014] One end of the front lower tube is hinged to the other side of the sliding sleeve, and the other end is hinged to one side of a third hinge member, and the other side of the third hinge member is hinged to an adjacent front lower tube;

[0015] One end of the front upper tube is hinged to the other side of the upper sleeve, and the other end is hinged to one side of a fourth hinged member, and the other side of the fourth hinged member is hinged to an adjacent front upper tube;

[0016] The middle portion of the side upper tube and the middle portion of the side lower tube are hinged.

[0017] Furthermore, a positioning sleeve is provided on the side of the fixing sleeve, and the folding base is installed on the positioning sleeve.

[0018] Furthermore, the folding base includes a handle and four lower tubes, the four lower tubes are respectively installed at the four corners of the handle, one end of the lower tube is hinged to the handle, and the other end is hinged in the positioning sleeve.

[0019] Furthermore, it includes a pull rod, a fixed seat, two support rods and two pull rod sleeves, the two pull rod sleeves are respectively hinged on the two adjacent fixed sleeves, one end of the two support rods are respectively hinged on the two pull rod sleeves, and the other end is hinged on both sides of the lower part of the fixed seat, and the pull rod is slid from the middle of the upper part of the fixed seat and inserted into the fixed seat.

[0020] Furthermore, a pull rod handle is fixed to the upper end of the pull rod, and a stop block is provided at the bottom of the pull rod.

[0021] Furthermore, there are four wheel modules and four fixing rods, and they are all independently arranged.

[0022] By means of the above solution, the present invention has at least the following advantages:

[0023] 1. The camping car folding frame can make the whole vehicle completely foldable through the design of folding base and folding fence frame. After folding, the volume is small and it is easy to carry and store.

[0024] 2. Through the structural design of the side upper tube, side lower tube, side inner tube, front upper tube and front lower tube, combined with the use of the upper sleeve, sliding sleeve and four hinged parts, the folding movement is more stable and damage to the connection is avoided.

[0025] 3. Through the cooperation of a handle and four lower tubes, the entire vehicle can be folded by just one handle, with a simple structure and flexible folding.

[0026] 4. The pull rod is slidably inserted into the fixed seat so that when the whole vehicle is folded, the pull rod can also be moved to a suitable position to avoid the pull rod protruding outside, thereby making the whole vehicle smaller after folding.

[0027] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] FIG1 is a schematic diagram of the folding frame of a camping vehicle according to the present invention in an opened state;

[0029] FIG2 is a schematic diagram of the folding state of the folding frame of the camping vehicle of the present invention.

[0030] Implementation Method

[0031] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] Embodiment: A folding frame of a camping vehicle includes a wheel module 1, a fixing rod 2, a folding base 3 and a folding fence frame 4, wherein the fixing rod is fixedly mounted on the wheel module, the folding base can be folded upward and unfolded downward and mounted on the fixing rod, and the folding fence frame can be retracted inward and unfolded outward and mounted on the fixing rod.

[0033] A fixing sleeve 5 is provided at the bottom of the fixing rod. The fixing sleeve is vertically fixed on the wheel module, and the fixing rod is vertically fixed in the fixing sleeve.

[0034] It also includes an upper sleeve 6 and a sliding sleeve 7. The upper sleeve is fixedly installed on the top of the fixed rod, and the sliding sleeve is slidably sleeved on the fixed rod up and down.

[0035] The folding fence frame is installed between the upper sleeve and the sliding sleeve.

[0036] The folding fence frame includes a side upper tube 8, a side lower tube 9, a side inner tube 10, a front side upper tube 11 and a front side lower tube 12;

[0037] One end of the side upper tube is hinged to one side of the upper sleeve, and the other end is hinged to one side of the first hinge 13;

[0038] One end of the side inner tube is hinged to the other side of the first hinged member, and the other end is hinged to one end portion of the side lower tube;

[0039] One end of the side lower tube is hinged to one side of the sliding sleeve, and the other end is hinged to one side of the second hinge 14, and the other side of the second hinge is hinged to the adjacent side lower tube;

[0040] One end of the front lower tube is hinged to the other side of the sliding sleeve, and the other end is hinged to one side of the third hinge 15. The other side of the third hinge is hinged to the adjacent front lower tube.

[0041] One end of the front upper tube is hinged to the other side of the upper sleeve, and the other end is hinged to one side of the fourth hinge 16, and the other side of the fourth hinge is hinged to the adjacent front upper tube;

[0042] The middle portion of the side upper tube and the middle portion of the side lower tube are hinged.

[0043] A positioning sleeve 17 is provided on the side of the fixing sleeve, and the folding base is mounted on the positioning sleeve.

[0044] The folding base includes a handle 18 and four lower tubes 19. The four lower tubes are respectively installed at the four corners of the handle. One end of the lower tube is hinged to the handle, and the other end is hinged in the positioning sleeve.

[0045] It also includes a pull rod 20, a fixed seat 21, two support rods 22 and two pull rod sleeves 23. The two pull rod sleeves are respectively hinged on two adjacent fixed sleeves. One end of the two support rods is respectively hinged on the two pull rod sleeves, and the other end is hinged on both sides of the lower part of the fixed seat. The pull rod is slid from the middle of the upper part of the fixed seat and inserted into the fixed seat.

[0046] A pull rod handle 24 is fixed to the upper end of the pull rod, and a stopper 25 is provided at the bottom of the pull rod.

[0047] There are four wheel modules and four fixing rods, and they are all independently arranged.

[0048] The folding frame of the camping vehicle is folded by manually pulling the handle upward, which drives the four lower tubes to move upward and close together, thereby completing the folding of the folding base. Each lower tube drives the connected fixing rod to move toward the handle. The fixing rod drives the front upper tube downward and close together. The fixing rod drives the side upper tube downward. The side upper tube drives the side inner tube downward and close together. The side upper tube and the side inner tube drive the side lower tube upward, thereby moving the sliding sleeve downward. The front lower tube follows the sliding sleeve downward and close together, thereby completing the folding of the folding fence frame. The pull rod handle is manually pushed to move the support rod closer to the handle. The pull rod is then fully inserted downward into the fixing seat, thereby achieving complete folding of the vehicle. After folding, the vehicle is compact and convenient for carrying and storage. The entire frame can be folded smoothly during the folding process, preventing large stresses at the joints and avoiding damage.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A folding frame for a camping cart, characterized in that: It includes a wheel module, a fixed rod, a folding base and a folding fence frame. The fixed rod is fixedly installed on the wheel module. The folding base can be folded upward and unfolded downward and installed on the fixed rod. The folding fence frame can be contracted inward and unfolded outward and installed on the fixed rod.

2. The folding frame of a camp cart according to claim 1, wherein: A fixed sleeve is provided at the bottom of the fixed rod. The fixed sleeve is vertically fixed on the wheel module, and the fixed rod is vertically fixed in the fixed sleeve.

3. The folding frame of a camp cart according to claim 2, wherein: It further includes an upper sleeve and a sliding sleeve. The upper sleeve is fixedly installed at the top of the fixed rod, and the sliding sleeve is sleeved on the fixed rod and slides up and down.

4. A folding frame of a camp cart according to claim 3, wherein: The folding fence frame is installed between the upper sleeve and the sliding sleeve.

5. The folding frame of a camping cart according to claim 4, characterized in that: The folding fence frame includes a side upper tube, a side lower tube, a side inner tube, a front side upper tube and a front side lower tube; One end of the side upper tube is hinged to one side of the upper sleeve, and the other end is hinged to one side of a first hinge member; One end of the side inner tube is hinged to the other side of the first hinge member, and the other end is hinged to a part of one end of the side lower tube; One end of the side lower tube is hinged to one side of the sliding sleeve, and the other end is hinged to one side of a second hinge member. The other side of the second hinge member is hinged to an adjacent side lower tube; One end of the front side lower tube is hinged to the other side of the sliding sleeve, and the other end is hinged to one side of a third hinge member. The other side of the third hinge member is hinged to an adjacent front side lower tube; One end of the front side upper tube is hinged to the other side of the upper sleeve, and the other end is hinged to one side of a fourth hinge member. The other side of the fourth hinge member is hinged to an adjacent front side upper tube; The middle part of the side upper tube is hinged to the middle part of the side lower tube.

6. The folding frame of a camping cart according to claim 2, wherein: A positioning sleeve is provided on the side of the fixed sleeve, and the folding base is installed on the positioning sleeve.

7. The folding frame of a camp cart according to claim 6, wherein: The folding base includes a handle member and four lower tubes. The four lower tubes are respectively installed at the four corners of the handle member. One end of the lower tube is hinged to the handle member, and the other end is hinged in the positioning sleeve.

8. The folding frame of a camping cart according to claim 2, characterized in that: It further includes a pull rod, a fixed seat, two support rods and two pull rod sleeves. The two pull rod sleeves are respectively hinged to two adjacent fixed sleeves. One end of the two support rods is respectively hinged to the two pull rod sleeves, and the other end is hinged to both sides of the lower part of the fixed seat. The pull rod is slidably inserted into the fixed seat from the middle of the upper part of the fixed seat.

9. The folding frame of a camp cart according to claim 8, wherein: A pull rod handle is fixed to the upper end of the pull rod, and a stop block is provided at the bottom of the pull rod.

10. A folding frame of a camp cart according to claim 1, characterized in that: Both the wheel module and the fixed rod are four in number and are all independently arranged.

Citation Information

Patent Citations

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