Riding vehicle frame mechanism with folding function and electric camping vehicle
By designing a foldable frame mechanism, the problem of electric camping bikes being unable to be ridden was solved, enabling them to be ridden and improving the user experience, while also reducing the space occupied when not in use.
Patent Information
- Application Number
- CN202520770117.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Existing electric camping vehicles are not rideable, making them laborious and inconvenient to use.
Design a bicycle frame mechanism with folding function, including a fixed frame, a folding bracket assembly, a drive wheel assembly and a control handle assembly. By unfolding the folding bracket assembly and cooperating with the drive wheel assembly, the riding function of the electric camping vehicle can be realized, and it can be folded up to reduce the space occupied when not in use.
It enables the riding function of electric camping vehicles, improves the user experience, and reduces the space occupied when not in use.
Smart Images

Figure CN223919491U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of electric camping vehicle accessories, and in particular to a folding bicycle frame mechanism and an electric camping vehicle. Background Technology
[0002] A camping vehicle is a vehicle specifically designed for camping activities. It typically possesses a certain degree of off-road capability and cargo capacity, meeting the basic needs of campers for outdoor living. Currently, most camping trailers are manually pulled, resulting in significant drag when traversing uphill or grassy areas. This drag is further increased by the numerous items that need to be carried during camping, making current camping vehicles difficult to tow in actual use. Therefore, electric camping vehicles have emerged as a solution.
[0003] CN219635293U discloses an electric camping trailer, including a foldable frame; several hub motors and load-bearing wheels rotatably or fixedly connected to the underside of the foldable frame; a battery compartment fixed to the side of the foldable frame, containing a power supply battery, and a controller connected to the outside of the battery compartment; a hollow pull rod rotatably connected to the side of the foldable frame, containing a height-adjustable extension rod, and a control handle on the extension rod; the hub motors are electrically connected to the power supply battery, the controller, and the control handle. While this technical solution enables electric drive, the user cannot ride it; therefore, a foldable frame mechanism and an electric camping vehicle are provided to solve the above problems. Utility Model Content
[0004] One of the purposes of this utility model is to provide a bicycle frame mechanism with folding function and an electric camping vehicle, so as to solve the problem that existing electric camping vehicles cannot be ridden.
[0005] This utility model relates to a folding bicycle frame mechanism and an electric camping vehicle, which can be achieved through the following technical solutions:
[0006] This utility model discloses a bicycle frame mechanism with a folding function, which includes a fixed frame fixedly mounted on the main body of an electric camping vehicle; a folding bracket assembly foldably connected to the fixed frame; a drive wheel assembly rotatably connected to the folding bracket assembly; and a control handle assembly fixedly mounted on the drive wheel assembly and electrically connected to the drive wheel assembly.
[0007] The folding bracket assembly includes a connecting frame rotatably mounted on the fixed frame; two first rotating rods symmetrically rotatably mounted on the connecting frame, each detachably snapped onto the fixed frame; two second rotating rods movably connected to the corresponding first rotating rods, each having its other end movably connected through the connecting frame; and two engaging members symmetrically mounted on the connecting frame, each capable of detachably engaging with the corresponding second rotating rod.
[0008] In one embodiment, two first connecting brackets and two second connecting brackets are symmetrically fixed on the fixing frame; the first connecting brackets are fixedly positioned above the corresponding second connecting brackets.
[0009] In one embodiment, the connecting frame includes two symmetrically arranged first connecting rods, each of which is rotatably connected to a corresponding first connecting bracket; a second connecting rod is fixedly connected between the two first connecting rods, and the drive wheel assembly is rotatably connected to the second connecting rod.
[0010] In one embodiment, a guide groove is provided through the first connecting rod, the second rotating rod is movably disposed through the guide groove, and the engaging member is disposed through the guide groove and can be detachably engaged with the second rotating rod.
[0011] In one embodiment, a second rotating shaft and a third rotating shaft are respectively provided at opposite ends of the second rotating rod; the second rotating rod is rotatably connected to the first rotating rod through the second rotating shaft; the third rotating shaft is movably disposed in the corresponding guide groove and can be detachably engaged with the corresponding engaging member.
[0012] In one embodiment, the engaging component includes a connecting shaft fixedly disposed through the corresponding guide groove; an engaging component body rotatably disposed on the connecting shaft and detachably engaging with the third rotating shaft; and a torsion spring disposed through the connecting shaft and in contact with the engaging component body, which provides engaging force to the engaging component body.
[0013] In one embodiment, one end of the first rotating rod is rotatably connected to the corresponding first connecting rod via a first rotating shaft, and the first connecting rod can be folded and accommodated in the first rotating rod; a second slot is provided on the other end of the first rotating rod relative to the first connecting rod, and the second slot is detachably engaged with the corresponding second connecting bracket.
[0014] In one embodiment, the drive wheel assembly includes a plurality of rotating seats rotatably connected to the connecting frame; a support frame fixedly connected to the plurality of rotating seats, and the control handle assembly fixedly mounted on the support frame; and two drive wheels rotatably mounted below the support frame and electrically connected to the control handle assembly.
[0015] In one embodiment, the control handle assembly includes a handle connecting rod, the lower end of which is fixedly mounted on the connecting seat of the support frame; a handle housing fixedly connected to the handle connecting rod; two handle bodies respectively penetrating on opposite sides of the handle housing; a circuit board and a battery respectively fixedly disposed in the handle housing; a plurality of buttons and a charging interface respectively fixedly disposed on the circuit board and penetrating the handle housing; and at least one light fixedly disposed in the handle housing.
[0016] This utility model discloses an electric camping vehicle with a folding function, which includes the riding frame mechanism described in any of the above-mentioned claims.
[0017] Compared with the prior art, the advantages of this utility model of a folding bicycle frame mechanism and an electric camping vehicle are as follows:
[0018] This utility model discloses a folding bicycle frame mechanism and an electric camping bicycle. The unfolding operation is achieved by rotating the connecting frame relative to the fixed frame. Then, one end of each of the two first rotating rods is respectively engaged with the fixed frame. Next, two second rotating rods are pushed to move in guide grooves, causing the corresponding first rotating rods to unfold relative to the connecting frame. When the third rotating shaft on the second rotating rod moves to engage with the engaging component, the folding bracket assembly is fully unfolded. Through the cooperation of the control handle assembly and the drive wheel assembly, the problem of existing electric camping bicycles being unable to be ridden is effectively solved. When the electric camping bicycle is not in use, it can be folded using the folding bracket assembly, effectively reducing the space occupied by the electric camping bicycle. Simultaneously, when riding, the user's feet can be placed on the support frame, thus improving the riding experience of the electric camping bicycle to a certain extent. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a three-dimensional structural diagram of a bicycle frame mechanism with a folding function according to the present invention;
[0021] Figure 2 This is a three-dimensional structural diagram of a bicycle frame mechanism with a folding function from another perspective of the present invention;
[0022] Figure 3 This is an exploded structural diagram of a bicycle frame mechanism with a folding function according to the present invention, including a folding bracket assembly, a drive wheel assembly, and a control handle assembly;
[0023] Figure 4 yes Figure 3 An exploded view of the folding bracket assembly shown.
[0024] Figure 5 yes Figure 3 A three-dimensional structural schematic diagram of the drive wheel assembly shown;
[0025] Figure 6 yes Figure 3 An exploded view of the control handle assembly shown.
[0026] Figure 7 This is a three-dimensional structural diagram of an electric camping vehicle with a folding function according to this utility model.
[0027] The diagram indicates the following: 10, bicycle frame mechanism; 11, fixing frame; 111, first connecting bracket; 112, second connecting bracket; 12, folding bracket assembly; 121, connecting frame; 1211, first connecting rod; 12111, connecting hole; 12112, guide groove; 12113, first slot; 1212, second connecting rod; 122, first rotating rod; 1221, first pivot; 1222, second slot; 123, second rotating rod; 1231, second pivot; 1232, third pivot; 124, clip. 1241, Connecting shaft; 1242, Snap-fit assembly body; 1243, Torsion spring; 13, Drive wheel assembly; 131, Rotating seat; 1311, Connecting shaft; 132, Support frame; 1321, Connecting seat; 133, Drive wheel; 1331, Wheel frame; 1332, Drive wheel body; 14, Control handle assembly; 141, Handle connecting rod; 142, Handle housing; 143, Handle body; 144, Circuit board; 145, Button; 146, Battery; 147, Lighting lamp; 148, Charging interface. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.
[0030] Please see Figures 1-6 As shown, the present invention discloses a folding bicycle frame mechanism 10, which is mainly used on electric camping vehicles for users to ride. It includes a fixed frame 11, a folding bracket assembly 12, a drive wheel assembly 13, and a control handle assembly 14. The fixed frame 11 is fixedly mounted on the main body of the electric camping vehicle. The folding bracket assembly 12 is foldably connected to the fixed frame 11, allowing it to fold relative to the fixed frame 11, thus reducing the space occupied by the folding bracket assembly 12. The drive wheel assembly 13 is rotatably connected to the folding bracket assembly 12, allowing it to rotate relative to the folding bracket assembly 12, thereby enabling the bicycle frame mechanism 10 to turn. The control handle assembly 14 is fixedly mounted on and electrically connected to the drive wheel assembly 13, controlling the operation and turning of the drive wheel assembly 13.
[0031] Please see Figures 1-3 As shown, in this embodiment, the fixing frame 11 is a rectangular frame, on which two first connecting brackets 111 and two second connecting brackets 112 are fixedly mounted respectively; the two first connecting brackets 111 and the two second connecting brackets 112 are symmetrically arranged on the fixing frame 11, and the first connecting brackets 111 are fixedly mounted above the corresponding second connecting brackets 112.
[0032] Please see Figures 1-4As shown, in this embodiment, the folding bracket assembly 12 includes a connecting frame 121, two first rotating rods 122, two second rotating rods 123, and two engaging members 124. The two ends of the connecting frame 121 are rotatably mounted on corresponding first connecting brackets 111, allowing the connecting frame 121 to rotate relative to the fixed frame 11, thereby realizing the folding function of the folding bracket assembly 12 relative to the fixed frame 11. The two first rotating rods 122 are symmetrically rotatably mounted on the connecting frame 121, with one end detachably engaged with the corresponding second connecting bracket 112, thus achieving a fixed connection between the first rotating rod 122 and the fixed frame 11. One end of each of the two second rotating rods 123 is movably connected to the corresponding first rotating rod 122, and the other end is movably connected through the connecting frame 121. The two engaging members 124 are symmetrically mounted on the connecting frame 121 and can be detachably engaged with the corresponding second rotating rods 123, simultaneously limiting and fixing the two second rotating rods 123, thereby allowing the folding bracket assembly 12 to be in an unfolded state.
[0033] Please see Figure 3 and Figure 4 As shown, in this embodiment, the connecting frame 121 includes two first connecting rods 1211 and a second connecting rod 1212; the two first connecting rods 1211 are symmetrically arranged and rotatably connected to the corresponding first connecting brackets 111 respectively; the second connecting rod 1212 is fixedly connected between the two first connecting rods 1211, and the drive wheel assembly 13 is rotatably connected to the second connecting rod 1212. Specifically, a connecting hole 12111 is provided through the first connecting rod 1211, and the first connecting rod 1211 is detachably and rotatably connected to the corresponding first connecting bracket 111 through the connecting hole 12111; a guide groove 12112 is provided through the first connecting rod 1211, and a second rotating rod 123 is movably provided through the corresponding guide groove 12112; a locking member 124 is provided through the guide groove 12112 and can be detachably locked with the second rotating rod 123; a first slot 12113 is provided on the side of the first connecting rod 1211 opposite to the first rotating rod 122. Specifically, the second connecting rod 1212 has multiple through holes (not shown in the figure), and the drive wheel assembly 13 is rotatably connected to the second connecting rod 1212 through the multiple through holes (not shown in the figure).
[0034] Please see Figure 3 and Figure 4As shown, specifically, one end of the first rotating rod 122 is rotatably connected to the corresponding first connecting rod 1211 via a first rotating shaft 1221, and the first connecting rod 1211 can be folded and accommodated in the first rotating rod 122; a second slot 1222 is provided on the other end of the first rotating rod 122 relative to the first connecting rod 1211, and the second slot 1222 is detachably engaged with the corresponding second connecting bracket 112, thereby realizing the connection between the first rotating rod 122 and the fixing frame 11. Specifically, the two opposite ends of the second rotating rod 123 are respectively provided with a second rotating shaft 1231 and a third rotating shaft 1232, the second rotating rod 123 is rotatably connected to the first rotating rod 122 via the second rotating shaft 1231, the second rotating shaft 1231 can be detachably engaged with the first slot 12113, and the third rotating shaft 1232 is movably disposed through the corresponding guide groove 12112 and can be detachably engaged with the corresponding engaging member 124.
[0035] Please see Figure 4 As shown, specifically, the engaging component 124 includes a connecting shaft 1241, an engaging component body 1242, and a torsion spring 1243; the connecting shaft 1241 is fixedly disposed through the corresponding guide groove 12112; the engaging component body 1242 is rotatably disposed on the connecting shaft 1241 and can be detachably engaged with the third rotating shaft 1232; the torsion spring 1243 is disposed through the connecting shaft 1241 and contacts the engaging component body 1242, providing an engaging force to the engaging component body 1242 so that the engaging component body 1242 is securely connected to the third rotating shaft 1232, preventing the engaging component body 1242 from disengaging when engaged with the third rotating shaft 1232.
[0036] Please see Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, in this embodiment, the drive wheel assembly 13 includes multiple rotating seats 131, a support frame 132, and two drive wheels 133; the multiple rotating seats 131 are rotatably connected to the second connecting rod 1212; the support frame 132 is fixedly connected to the multiple rotating seats 131 respectively, and the support frame 132 rotates with the rotation of the multiple rotating seats 131; the control handle assembly 14 is fixedly mounted on the support frame 132, and the user's feet can be placed on the support frame 132; the two drive wheels 133 are rotatably mounted below the support frame 132 and electrically connected to the control handle assembly 14, and the bicycle frame mechanism 10 is driven to move through the two drive wheels 133.
[0037] Please see Figure 5As shown, in this embodiment, three rotating seats 131 are sequentially rotatably mounted on the second connecting rod 1212; in other embodiments, the number of rotating seats 131 can be two, four, or other plurality of seats, and the number can be set according to actual needs. Specifically, a connecting shaft 1311 is provided on the rotating seat 131, and the rotating seat 131 is rotatably mounted on the second connecting rod 1212 through the connecting shaft 1311; a connecting seat 1321 is fixedly mounted on the support frame 132, and the lower end of the control handle assembly 14 is fixedly connected to the connecting seat 1321. Specifically, the drive wheel 133 includes a wheel frame 1331 and a drive wheel body 1332; the wheel frame 1331 is fixedly mounted on the support frame 132; the drive wheel body 1332 is rotatably mounted on the wheel frame 1331 and electrically connected to the control handle assembly 14.
[0038] Please see Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, in this embodiment, the control handle assembly 14 includes a handle connecting rod 141, a handle housing 142, two handle bodies 143, a circuit board 144, multiple buttons 145, a battery 146, at least one light 147, and a charging interface 148. The lower end of the handle connecting rod 141 is fixedly mounted on the connecting seat 1321. The handle housing 142 is a hollow cavity and is fixedly connected to the handle connecting rod 141. The two handle bodies 143 are respectively disposed through the opposite sides of the handle housing 142. The circuit board 144 and the battery 146 are respectively fixedly disposed in the handle housing 142, and the circuit board 144 is respectively connected to the multiple buttons 145. The circuit board 144, battery 146, at least one light 147, charging interface 148, and drive wheel body 1332 are electrically connected. The battery 146 provides power to the circuit board 144 and at least one light 147. The multiple buttons 145 and the charging interface 148 are respectively fixedly mounted on the circuit board 144 and pass through the handle housing 142. The multiple buttons 145 control the drive wheel assembly 13, and the charging interface 148 charges the battery 146. At least one light 147 is fixedly mounted in the handle housing 142 and provides illumination. Specifically, the control of the circuit board 144 with the multiple buttons 145, battery 146, at least one light 147, charging interface 148, and drive wheel body 1332 uses existing technology, so the specific control process and model are not described here, as long as they meet the requirements of this application. The battery 146 is a polymer lithium-ion battery, and the light 147 is an LED light.
[0039] Please see Figure 7As shown, the electric camping vehicle with folding function of this utility model includes the riding frame mechanism 10 of any of the above-mentioned components, and the riding frame mechanism 10 is movably disposed at the front end of the main body of the electric camping vehicle.
[0040] It should be noted that the specific working process of the folding bicycle frame mechanism and electric camping vehicle of this utility model is as follows: When the bicycle frame mechanism 10 needs to be unfolded for use, the connecting frame 121 is first rotated relative to the fixed frame 11 to unfold. Then, one end of each of the two first rotating rods 122 is respectively engaged with the corresponding second connecting bracket 112 of the fixed frame 11. Then, the third rotating shaft 1232 on the two second rotating rods 123 is pushed to move in the guide groove 12112. The two second rotating rods 123 synchronously drive the corresponding first rotating rods 122 to unfold relative to the connecting frame 121. When the third rotating shaft 1232 on the second rotating rod 123 moves to engage with the engaging piece 124, the folding bracket assembly 12 is fully unfolded. Finally, the user sits on the main body of the electric camping vehicle and controls the drive wheel assembly 13 to move through the control handle assembly 14, thereby driving the electric camping vehicle to move. At the same time, the user's feet can be placed on the support frame 132.
[0041] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0042] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A bicycle frame mechanism with a folding function, characterized in that, The utility model relates to a kind of electric camping car folding support, including: Fixed frame is fixedly arranged on electric camping car body; Folding support assembly is foldably connected on the fixed frame; Driving wheel assembly is rotatably connected on the folding support assembly; Control handle assembly is fixedly arranged on the driving wheel assembly and is electrically connected with the driving wheel assembly; Wherein, the folding support assembly includes connecting frame, which is rotatably arranged on the fixed frame;Two first rotary rods are symmetrically rotatably arranged on the connecting frame, and both are respectively detachably connected to the fixed frame;Two second rotary rods are respectively movably connected to the connecting frame at the other end;Two clamping members are symmetrically arranged on the connecting frame, and both can be detachably connected with the corresponding second rotary rod.
2. The riding vehicle frame mechanism having a folding function according to claim 1, characterized by, Two first connecting supports and two second connecting supports are symmetrically fixedly arranged on the fixed frame;The first connecting support is fixedly arranged above the corresponding second connecting support.
3. The riding vehicle frame mechanism having a folding function according to claim 2, characterized by, The connecting frame includes two first connecting rods symmetrically arranged, which are respectively rotatably connected with the corresponding first connecting support;Second connecting rod is fixedly connected between two first connecting rods, and the driving wheel assembly is rotatably connected to the second connecting rod.
4. The riding vehicle frame mechanism having a folding function according to claim 3, characterized by, The first connecting rod is provided with a guide slot, and the second rotary rod is movably arranged in the guide slot;The clamping member is movably arranged on the guide slot and can be detachably connected with the second rotary rod.
5. The riding vehicle frame mechanism having a folding function according to claim 4, characterized by, The opposite ends of the second rotary rod are respectively provided with a second rotating shaft and a third rotating shaft;The second rotary rod is rotatably connected with the first rotary rod through the second rotating shaft;The third rotating shaft is movably arranged in the corresponding guide slot and can be detachably connected with the corresponding clamping member.
6. The riding vehicle frame mechanism having a folding function according to claim 5, wherein The clamping member includes a connecting shaft, which is fixedly arranged in the corresponding guide slot;The clamping member body is rotatably arranged on the connecting shaft and can be detachably connected with the third rotating shaft;The torsion spring is movably arranged in the connecting shaft and is in contact with the clamping member body, which provides clamping force for the clamping member body.
7. The riding vehicle frame mechanism having a folding function according to claim 3, characterized by One end of the first rotary rod is rotatably connected to the corresponding first connecting rod through a first rotating shaft, and the first connecting rod can be foldably accommodated in the first rotary rod; The other end of the first rotary rod relative to the first connecting rod is provided with a second clamping groove, which is detachably connected with the corresponding second connecting support.
8. The folding mechanism of claim 1, wherein, The driving wheel assembly includes a plurality of rotating seats, and a plurality of rotating seats are rotatably connected to the connecting frame;Support frame is fixedly connected with a plurality of rotating seats, and the control handle assembly is fixedly arranged on the support frame;Two driving wheels are rotatably arranged below the support frame and are electrically connected with the control handle assembly.
9. The riding vehicle frame mechanism having a folding function according to claim 8, characterized by, The control handle assembly comprises a handle connecting rod, a lower end of which is fixedly installed on a connecting seat of the support frame; a handle shell fixedly connected to the handle connecting rod; two handle bodies respectively arranged through opposite sides of the handle shell; a circuit board and a battery respectively fixedly arranged in the handle shell; a plurality of keys and a charging interface respectively fixedly arranged on the circuit board and respectively penetrating the handle shell; and at least one illuminating lamp fixedly arranged and penetrating the handle shell.
10. An electric camping vehicle having a folding function, characterized by comprising: A riding frame mechanism comprising the riding frame mechanism of any one of claims 1-9.
Citation Information
Patent Citations
Electric camping trailer
CN219635293U