A multifunctional outdoor bicycle frame

Abstract

The present invention discloses a multifunctional outdoor vehicle frame, comprising a frame body and a movable frame. The frame body comprises a base frame, a first side frame, a second side frame, a third side frame, and a fourth side frame. The movable frame comprises a first riding frame, a second riding frame, and a bridge frame. The first riding frame can be folded and positioned on the first side frame, and the second riding frame can be folded and positioned on the second side frame. In an unfolded state, a first storage layer arranged between the base frame and the movable frame and a second storage layer arranged above the movable frame are formed between the third and fourth side frames. In a stowed state, a seating area arranged along the first riding frame, the second riding frame, and the base frame is formed between the third and fourth side frames. The outdoor vehicle frame has three usage modes: a single-layer loading mode, a double-layer loading mode, and a passenger riding mode. It has more diverse functions and can be switched between different modes as needed. It is flexible and convenient to use and has high practicality.

Description

Technical Field

[0001] The present invention relates to the field of outdoor vehicles, and in particular to a multifunctional outdoor vehicle frame. Background Art

[0002] An outdoor vehicle is a tool that can be used to transport items. With the development of the economy, people have an increasingly higher demand for the multifunctionality of outdoor vehicles. The outdoor vehicle frames currently on the market, such as the outdoor vehicle frame disclosed in the invention patent with publication number CN103287471A, include a bottom frame, an upper U-frame, a front U-frame, an armrest U-frame, a support U-frame, a front roller and a rear roller. The rear roller is mounted on the rear of the bottom frame, and the front roller is mounted on the crossbeam of the support U-frame. The crossbeam of the support U-frame can support the front of the bottom frame. The two ends of the armrest U-frame are respectively hinged to the two sides of the rear of the bottom frame, and the middle part is hinged to the two sides of the rear of the upper U-frame. The front U-frame and the middle parts of the two sides of the support U-frame are cross-hinged with each other. The two ends of the front U-frame are respectively hinged to the two sides of the middle of the bottom frame, and the two ends of the support U-frame are respectively hinged to the upper U At both ends of the front part of the frame, the outdoor bicycle frame of this technical solution can only be used for single-layer loading, has a single function, is not suitable for some situations that require layered loading, and has no riding function, which is inconvenient for taking children out to play. Summary of the Invention

[0003] In response to the deficiencies in the prior art, the present invention provides a multifunctional outdoor vehicle frame having three usage modes: a single-layer loading mode, a double-layer loading mode, and a passenger riding mode. The frame has more diverse functions and can be switched between different modes as needed. It is flexible and convenient to use and has strong practicality.

[0004] The present invention provides a multifunctional outdoor bicycle frame, comprising a frame body and a movable frame, the frame body comprising a bottom frame, a first side frame and a second side frame arranged on both sides of the bottom frame along the length direction, and a third side frame and a fourth side frame arranged on both sides of the bottom frame along the width direction, the first and second side frames respectively comprising two load-bearing uprights arranged oppositely, and the ends of the third and fourth side frames respectively connected to the first and second side frames; the movable frame is arranged above the bottom frame at intervals, the movable frame comprising a first riding frame hinged to the first side frame, a second riding frame hinged to the second side frame, and a third riding frame arranged between the first riding frame and the second riding frame. a bridge frame between the third and fourth side frames; the first riding frame can be folded and positioned on the first side frame, and the second riding frame can be folded and positioned on the second side frame; the bridge frame has an expanded state connected to the first riding frame and the second riding frame respectively, and a stowed state separated from the first riding frame and / or the second riding frame, in the expanded state, a first storage layer arranged between the bottom frame and the movable frame, and a second storage layer arranged on the upper side of the movable frame are formed between the third and fourth side frames; in the stowed state, a riding area arranged along the first riding frame, the second riding frame and the bottom frame is formed between the third and fourth side frames.

[0005] Preferably, one end of the bridge frame is hinged to the first riding frame and can be rotated to be stacked and stored on the upper side of the first riding frame, and the other end is detachably connected to the second riding frame.

[0006] Preferably, the second riding frame is provided with a first supporting portion protruding toward the frame body for supporting the bridge frame, and the bridge frame is provided with a hanging portion arranged corresponding to the first supporting portion. The bridge frame is detachably connected to the second riding frame by resting on the first supporting portion through the hanging portion.

[0007] Preferably, the first passenger frame is hinged to the first side frame via a first hinge shaft, a first flipping area is formed between the third and fourth side frames for the first passenger frame and the bridge frame to flip and fold upward around the axis of the first hinge shaft, and a first positioning member is provided on the upper portion of the first side frame or the upper portion of the third and fourth side frames for positioning the first passenger frame after flipping and folding;

[0008] The second passenger frame is hinged to the second side frame through a second hinge axis, and a second flipping area for the second passenger frame to flip and fold upward around the second hinge axis is formed between the third and fourth side frames. A second positioning member is provided on the upper part of the second side frame or the upper part of the third and fourth side frames for positioning the second passenger frame after flipping and folding.

[0009] Preferably, the first positioning member includes a first positioning slot and a third positioning slot arranged opposite to the first positioning slot, and the notch of the first positioning slot is arranged toward the inside of the frame body, and the notch of the third positioning slot is arranged toward the outside of the frame body, the first positioning slot is provided with a first positioning channel for buckle connection with the first riding frame, and the third positioning slot is provided with a third positioning channel for buckle connection with the bridge frame;

[0010] The second positioning member includes a second positioning slot, and the notch of the second positioning slot is arranged toward the inside of the frame body, and a second positioning channel is provided in the second positioning slot for buckle connection with the second riding frame;

[0011] The positioning channel one, positioning channel two, and positioning channel three are arranged in parallel with the load-bearing vertical poles.

[0012] Preferably, both ends of the third and fourth side frames respectively include a first handrail cross bar connected to the upper portion of the first side frame, and a second handrail cross bar connected to the upper portion of the second side frame, the first and second handrail cross bars are respectively arranged above the first and second riding frames, and the first and second handrail cross bars are respectively arranged on both sides of the riding area for passengers to hold their hands when riding in the riding area.

[0013] Preferably, the first riding frame is connected to the first handrail cross bar through a cantilever member, the upper end of the cantilever member is suspended on the handrail cross bar, the first riding frame is suspended on the lower end of the cantilever member, and the cantilever member and the first handrail cross bar and / or the first riding frame are detachably connected through a hook structure.

[0014] Preferably, a first connecting shaft and a second connecting shaft are provided on the first handrail crossbar, and the second connecting shaft is arranged at a distance from the first connecting shaft on one side close to the first side frame;

[0015] One end of the cantilever member is hinged to the first riding frame, and the other end is hinged to the first connecting shaft before the first riding frame is folded and positioned, and forms a first polygonal linkage structure with the first armrest cross bar, the first side frame, and the first riding frame. After the first riding frame is folded and positioned, it can be positioned and connected to the second connecting shaft and form a triangular support structure between the first armrest cross bar and the first riding frame.

[0016] Preferably, the third and fourth side frames respectively include at least one group of first cross rods and second cross rods hinged to each other, and the first cross rods are arranged on the inner side of the second cross rods; one end of the first handrail cross rod is hinged to the first side frame, and the other end is hinged to the upper end of the first cross rod; one end of the second handrail cross rod is hinged to the second side frame, and the other end is hinged to the upper end of the second cross rod; the second passenger frame is detachably overlapped on the first cross rod through a overlap member.

[0017] Preferably, a third connecting shaft is provided on the first cross bar, and a fourth connecting shaft is provided on the second handrail cross bar;

[0018] The lower end of the first cross bar is hinged to the lower portion of the second side frame or the bottom frame;

[0019] It also includes a linkage arm, which is detachably connected to the first cross rod and / or the second riding frame via a hook structure, and one end of the linkage arm is hinged to the second riding frame, and the other end is hinged to the third connecting shaft before the second riding frame is folded and positioned, and forms a second polygonal linkage structure with the first cross rod, the second side frame, and the second riding frame, or forms a second polygonal linkage structure with the first cross rod, the second side frame, the bottom frame, and the second riding frame, and can be positioned and connected to the fourth connecting shaft and the triangular support structure between the second armrest cross bar and the second riding frame after the second riding frame is folded and positioned.

[0020] The present invention provides a multifunctional outdoor vehicle frame, which is provided with movable frames, and the movable frames are arranged above the base frame at intervals. The movable frame includes a first riding frame hinged to the first side frame, a second riding frame hinged to the second side frame, and a bridge frame arranged between the first riding frame and the second riding frame. The first riding frame can be folded and positioned on the first side frame, and the second riding frame can be folded and positioned on the second side frame. The bridge frame has an expanded state connected to the first riding frame and the second riding frame respectively, and a stored state separated from the first riding frame and / or the second riding frame. In the expanded state, a first storage layer arranged between the base frame and the movable frame and a second storage layer arranged on the upper side of the movable frame are formed between the third and fourth side frames, so that the outdoor vehicle frame has a layered loading function, and can classify and store items after shopping, which is convenient for classification, placement or taking; in the stored state, the third and fourth side frames are respectively connected to the first riding frame and the second riding frame. A riding area arranged along the first riding frame, the second riding frame and the bottom frame is formed between the four side frames, so that the outdoor vehicle frame has a passenger riding function, and children can be carried in the riding area, and children can ride on the first riding frame or the second riding frame or the folded bridge frame, which makes the riding experience more comfortable and convenient for taking children out to play; when the first riding frame is folded and positioned on the first side frame, and the second riding frame is folded and positioned on the second side frame, the outdoor vehicle frame has a single-layer cargo carrying function, and then the outdoor vehicle frame has three usage modes: single-layer cargo carrying mode, double-layer loading mode, and passenger riding mode, which is more versatile, and the first riding frame can be rotated relative to the first side frame, or the second riding frame can be rotated relative to the second side frame as needed, and the bridge frame can be unfolded or stored relative to the first and second riding frames to operate the outdoor vehicle frame to switch between different modes at will, which is flexible and convenient to use and very practical.

[0021] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0023] Figure 1 Schematic diagram of the structure of an outdoor vehicle frame in a double-layer loading mode according to the first embodiment of the present invention.

[0024] Figure 2 Schematic diagram of the outdoor vehicle frame in a semi-folded state in a double-layer loading mode according to the first embodiment of the present invention.

[0025] Figure 3 This is a structural schematic diagram of the outdoor vehicle frame in a fully folded state in a double-layer loading mode according to the first embodiment of the present invention.

[0026] Figure 4 Schematic diagram of the structure of an outdoor vehicle frame in a single-layer loading mode according to the first embodiment of the present invention.

[0027] Figure 5 Schematic diagram of the structure of the outdoor vehicle frame in the fully folded state in the single-layer loading mode according to the first embodiment of the present invention.

[0028] Figure 6 Schematic diagram of the structure of the outdoor vehicle frame in the passenger riding mode according to the first embodiment of the present invention.

[0029] Figure 7 This is a structural schematic diagram of the outdoor vehicle frame of the first embodiment of the present invention in a fully folded state in a passenger riding mode.

[0030] Figure 8 FIG. 1 is an exploded view of an outdoor vehicle frame according to a first embodiment of the present invention.

[0031] Figure 9 for Figure 4 A partial enlarged view of point A in the middle.

[0032] Figure 10 for Figure 4 A partial enlarged view of point B in the middle.

[0033] Figure 11 Schematic diagram of the structure of the bridging member according to the first embodiment of the present invention.

[0034] Figure 12 Schematic diagram of the hook structure of the first embodiment of the present invention.

[0035] Figure 13 Schematic diagram of the structure of an outdoor vehicle frame in a double-layer loading mode according to a second embodiment of the present invention.

[0036] Figure 14 Schematic diagram of the structure of an outdoor vehicle frame in a passenger riding mode according to a second embodiment of the present invention.

[0037] Figure 15 Schematic diagram of the structure of an outdoor vehicle frame in a single-layer loading mode according to a second embodiment of the present invention.

[0038] Figure 16 Schematic diagram of the structure of a cantilever according to the second embodiment of the present invention.

[0039] Figure 17 Schematic diagram of the structure of the linkage arm according to the second embodiment of the present invention.

[0040] : Reference numerals: frame body 1, bottom frame 2, first side frame 3, second side frame 4, third side frame 5, fourth side frame 6, cantilever member 7, lap member 8, linkage arm 9, movable frame 21, first riding frame 22, second riding frame 23, bridge frame 24, first storage layer 211, second storage layer 212, riding area 213, first supporting portion 221, fifth connecting shaft 222, fifth limiting head 223, sixth connecting shaft 231, sixth limiting head 232, hanging portion 241, load-bearing upright rod 31, first hinge axis 32, first positioning member 33, first handrail crossbar 34, positioning slot 1 331, positioning slot 3 332, positioning channel 1 333, positioning channel 3 334, first connecting shaft 341, second connecting shaft 342, First limiting head 343, second limiting head 344, second hinge shaft 42, second positioning member 43, second handrail cross bar 44, second positioning slot 431, second positioning channel 432, fourth connecting shaft 441, fourth limiting head 442, first cross rod 51, second cross rod 52, third connecting shaft 511, third limiting head 512, first opening slot 71, second opening slot 72, first detachable hanging portion 73, second detachable hanging portion 74, third Detachable hanging portion 75, fourth detachable hanging portion 76, hook portion 711, opening portion 712, first hanging hole 731, second hanging hole 732, first transition port 733, third hanging hole 741, fourth hanging hole 742, second transition port 743, fifth hanging hole 751, sixth hanging hole 752, third transition port 753, seventh hanging hole 761, eighth hanging hole 762, fourth transition port 763, overlapping seat 81, overlapping portion 82, overlapping groove 83. DETAILED DESCRIPTION

[0041] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0043] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0044] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact via another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or diagonally above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or diagonally below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0045] Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by persons of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in the present patent application specification and claims do not denote any order, quantity, or importance, but are merely used to distinguish different components. Similarly, terms such as "a" or "an" do not denote a limitation of quantity, but rather denote the presence of at least one.

[0046] like Figures 1-12As shown, as a first embodiment of the present invention, a multifunctional outdoor bicycle frame is provided, comprising a frame body 1 and a movable frame 21. The frame body 1 comprises a base frame 2, a first side frame 3 and a second side frame 4 arranged on either side of the base frame 2 along the length direction, and a third side frame 5 and a fourth side frame 6 arranged on either side of the base frame 2 along the width direction. The first and second side frames each comprise two opposing load-bearing uprights 31, and the third and fourth side frames are connected to the first and second side frames at their ends, respectively. The movable frame 21 is spaced apart above the base frame 2 and comprises a first passenger frame 22 hingedly connected to the first side frame 3, a second passenger frame 23 hingedly connected to the second side frame 4, and a bridge frame 24 arranged between the first and second passenger frames 22, 23. The first passenger frame 22 can be folded and positioned on the first side frame 3, and the second passenger frame 23 can be folded and positioned on the second side frame 4. The bridge frame 24 has an extended state in which it is connected to the first and second passenger frames 22, 23, respectively, and a stowed state in which it is separated from the second passenger frame 23. In the expanded state, a first storage layer 211 is formed between the third and fourth side frames, arranged between the base frame 2 and the movable frame 21, and a second storage layer 212 is formed above the movable frame 21. This allows the outdoor vehicle frame to carry items in layers, allowing items to be categorized and stored after shopping, making them convenient for placement or retrieval. In the collapsed state, a seating area 213 is formed between the third and fourth side frames, arranged along the first riding frame 22, the second riding frame 23, and the base frame 2. This allows the outdoor vehicle frame to carry children, allowing them to ride in the seating area 213. Children can ride on the first riding frame 22, the second riding frame 23, or the folded bridge frame 24, providing a more comfortable ride and making it convenient to take children out for fun. When the first riding frame 22 is folded and positioned on the first side frame 3, and the second riding frame 23 is folded and positioned on the second side frame 4, the outdoor vehicle frame has a single-layer loading function, and thus the outdoor vehicle frame has three usage modes: single-layer loading mode, double-layer loading mode, and passenger riding mode. The functions are more diverse, and the first riding frame 22 can be rotated relative to the first side frame 3, or the second riding frame 23 can be rotated relative to the second side frame 4 as needed, and the bridge frame 24 can be unfolded or stored relative to the first and second riding frames to operate the outdoor vehicle frame to switch between different modes at will. It is flexible and convenient to use and very practical. In other embodiments, the bridge frame 24 can also be configured to have an expanded state connected to the first riding frame 22 and the second riding frame 23, respectively, and a stored state separated from the first riding frame 22, or be configured to have an expanded state connected to the first riding frame 22 and the second riding frame 23, respectively, and a stored state separated from both the first riding frame 22 and the second riding frame 23, so that the bridge frame 24 can be taken out separately and placed on the first storage layer 211 or the second storage layer 212 or at home when not needed for convenient riding.

[0047] like Figure 1 and Figure 4As shown, one end of the bridge frame 24 is hinged to the first riding frame 22 and can be rotated to be stacked and stored on the upper side of the first riding frame 22, and the other end is detachably connected to the second riding frame 23. After being flipped by the hinge at one end, it is detached from the second riding frame 23 and converted to a stored state.

[0048] like Figure 1 and Figure 11 As shown, the second riding frame 23 is provided with a first supporting portion 221 protruding inwardly from the frame body 1 for supporting the bridge frame 24, and the bridge frame 24 is provided with a hanging portion 241 arranged corresponding to the first supporting portion 221. The bridge frame 24 is detachably connected to the second riding frame 23 by resting on the first supporting portion 221 through the hanging portion 241. Through the connection between the first supporting portion 221 and the hanging portion 241, the separation and flipping of the bridge frame 24 can be achieved more quickly, reducing the time for changing the use form of the outdoor vehicle during use, and increasing the fixing strength between the bridge frame 24 and the second riding frame 23 when unfolded, thereby increasing the load-bearing capacity of the bridge frame 24 and making the structural connection of the entire vehicle more stable and compact in the unfolded state.

[0049] like Figure 1 、 Figure 4 、 Figure 6 、 Figure 9 and Figure 10 As shown, the first riding frame 22 is hinged to the first side frame 3 through the first hinge shaft 32, and a first flipping area for the first riding frame 22 and the bridge frame 24 to flip and fold upward around the axis of the first hinge shaft 32 is formed between the third and fourth side frames. A first positioning member 33 is provided on the upper part of the first side frame 3 or the upper part of the third and fourth side frames for positioning the first riding frame 22 after flipping and folding. The second riding frame 23 is hinged to the second side frame 4 through the second hinge shaft 42, and a second flipping area for the second riding frame 23 to flip and fold upward around the second hinge shaft 42 is formed between the third and fourth side frames. A second positioning member 43 is provided on the upper part of the second side frame 4 or the upper part of the third and fourth side frames for positioning the second riding frame 23 after flipping and folding. The riding frame is fixed by the first and second positioning members and will not fall inside the frame during use. After the entire vehicle is covered with a cloth cover, the riding frame can be turned into a single-layer loading mode with a large space for the entire vehicle by flipping it, which can load large-volume items.

[0050] like Figure 9-10As shown, the first positioning member 33 includes a positioning slot 1 331 and a positioning slot 332 arranged opposite to the positioning slot 1 331, and the notch of the positioning slot 1 331 is arranged toward the inside of the frame body 1, and the notch of the positioning slot 332 is arranged toward the outside of the frame body 1, the positioning slot 1 331 is provided with a positioning channel 1 333 for snap connection with the first riding frame 22, the positioning slot 3 332 is provided with a positioning channel 3 334 for snap connection with the bridge frame 24, and the second positioning member 33 is provided with a positioning slot 1 331 and a positioning slot 332. The positioning member 43 includes a second positioning slot 431, and the notch of the second positioning slot 431 is arranged toward the inside of the frame body 1. A second positioning channel 432 for snap-connecting with the second riding frame 23 is provided in the second positioning slot 431. The first positioning channel 333, the second positioning channel 432, and the third positioning channel 334 are arranged parallel to the load-bearing upright 31 and along the vertical direction. By engaging the positioning channels with the positioning slots, the fixing strength of the riding frame and the bridge frame 24 after being flipped and folded is ensured, and the structure is stable.

[0051] like Figure 8 As shown, both ends of the third and fourth side frames respectively include a first armrest cross bar 34 connected to the upper portion of the first side frame 3, and a second armrest cross bar 44 connected to the upper portion of the second side frame 4. The first and second armrest cross bars are respectively arranged above the first and second riding frames, and the first and second armrest cross bars are respectively arranged on both sides of the riding area 213, for passengers to hold their hands when riding in the riding area 213, thereby increasing the riding experience of children, conforming to ergonomics, and increasing practicality.

[0052] like Figure 1 and Figure 4 As shown, the first riding frame 22 is connected to the first handrail cross bar 34 through a cantilever member 7, the upper end of the cantilever member 7 is suspended on the handrail cross bar, the first riding frame 22 is suspended on the lower end of the cantilever member 7, and the cantilever member 7 and the first handrail cross bar 34 or the first riding frame 22 are detachably connected through a hook structure.

[0053] like Figure 1 、 Figure 4 and Figure 8As shown, a first connecting shaft 341 and a second connecting shaft 342 are provided on the first armrest cross bar 34, and the second connecting shaft 342 is arranged at intervals on one side of the first connecting shaft 341 close to the first side frame 3. One end of the cantilever member 7 is hinged to the first riding frame 22, and the other end is hinged to the first connecting shaft 341 before the first riding frame 22 is folded and positioned, and forms a first polygonal linkage structure with the first armrest cross bar 34, the first side frame 3, and the first riding frame 22. After the first riding frame 22 is folded and positioned, it can be positioned and connected to the second connecting shaft 342 and form a triangular support structure between the first armrest cross bar 34 and the first riding frame 22. The first polygonal linkage structure formed by the cantilever member 7 when the riding frame is unfolded can realize the rapid folding function of the frame. By adjusting the armrest cross bar, the riding frame can be driven by the reliable cantilever member 7, and after the riding frame is folded, the cantilever member 7 provides secondary support to the positioned riding frame, thereby increasing structural stability.

[0054] like Figure 8 and Figure 11 As shown, the third and fourth side frames respectively include at least one group of first cross rods 51 and second cross rods 52 hinged to each other, the first cross rod 51 is arranged on the inner side of the second cross rod 52, one end of the first handrail cross rod 34 is hinged to the first side frame 3, and the other end is hinged to the upper end of the first cross rod 51, one end of the second handrail cross rod 44 is hinged to the second side frame 4, and the other end is hinged to the upper end of the second cross rod 52, the second riding frame 23 is detachably overlapped on the first cross rod 51 through the lap joint 8, the lap joint 8 can be set on the second riding frame 23, and can also be set on the first cross rod 51, the second riding frame 23 is detachably overlapped on the lap joint 8, and the second riding frame 23 is fixed, the lap joint 8 includes a lap seat 81, and a lap portion 82 connected to the lap seat 81, the lap seat 81 is connected to the first riding frame 22, and the lap portion A lap groove 83 is provided on 82 from its bottom surface, which is matched with the first cross rod 51. Through the matching of the lap groove 83 and the curvature of the first cross rod 51, the first support part 221 is specifically arranged at a protruding position on the inner or outer side of the lap part 82. The second riding frame 23 is fixed by the lap joint 8 to ensure the stability of the bridge frame 24 connected to the second riding frame 23, thereby increasing the structural stability and having a stronger load-bearing capacity. When the bridge frame 24 is in the unfolded state, the entire vehicle can be converted into a double-layer loading state, and the carried items can be separated without interfering with each other. Dry and wet items can be separated, and light and heavy items can be separated outdoors or when shopping, thereby increasing the practicality of the entire vehicle. When the frame is covered with a cloth cover, upper and lower material intake windows can be opened on the cloth cover outside the first and second side frames. The two material intake windows do not interfere with each other, and the cloth cover material intake windows can be opened independently for placement.

[0055] like Figure 8 and Figure 12As shown, a third connecting shaft 511 is provided on the first cross rod 51, and a fourth connecting shaft 441 is provided on the second handrail cross rod 44. The lower end of the first cross rod 51 is hinged to the lower part of the second side frame 4 or the bottom frame 2, and also includes a linkage arm 9. The linkage arm 9 and the first cross rod 51 or the second riding frame 23 are detachably connected through a hook structure, and one end of the linkage arm 9 is hinged to the second riding frame 23, and the other end is hinged to the third connecting shaft 511 before the second riding frame 23 is folded and positioned, and forms a second polygonal linkage structure with the first cross rod 51, the second side frame 4, and the second riding frame 23, or forms a second polygonal linkage structure with the first cross rod 51, the second side frame 4, the bottom frame 2, and the second riding frame 23. After the second riding frame 23 is folded and positioned, it can be positioned and connected to the fourth connecting shaft 441 and form a triangular support structure between the second handrail cross rod 44 and the second riding frame 23 to achieve stable support for the second riding frame 23. When the cantilever 7 is in the upright position, the first end 721 of the cantilever 7. When the cantilever 7 is in the upright position, the first end 722 of the cantilever 7 is locked and the locking cam 730 is locked.

[0056] like Figure 13-17 As shown, as a second embodiment of the invention, a multifunctional outdoor vehicle frame is also provided, in which the first riding frame 22 is connected to the first handrail cross bar 34 through a cantilever member 7, the upper end of the cantilever member 7 is suspended on the handrail cross bar, the first riding frame 22 is suspended on the lower end of the cantilever member 7, and the cantilever member 7 and the first handrail cross bar 34 and the first riding frame 22 are detachably connected through a detachable hanging structure.

[0057] like Figure 13-17As shown, a first connecting shaft 341 and a second connecting shaft 342 are provided on the first armrest cross bar 34, a fifth connecting shaft 222 is provided on the first riding frame 22, an outer end of the first connecting shaft 341 is provided with a first limiting head 343, an outer end of the second connecting shaft 342 is provided with a second limiting head 344, an outer end of the fifth connecting shaft 222 is provided with a fifth limiting head 223, the second connecting shaft 342 is arranged at a distance on one side of the first connecting shaft 341 close to the first side frame 3, one end of the cantilever member 7 is buckled with the first riding frame 22 through a detachable hanging structure, and the other end is buckled on the first connecting shaft 341 through a detachable hanging structure before the first riding frame 22 is folded and positioned, and is connected to the first armrest cross bar 34, the first side frame 3, and the first riding frame 22. The seat frame 22 forms a first polygonal linkage structure, and the first detachable hanging portion 73 includes a first hanging hole 731 and a second hanging hole 732 arranged on the side of the first hanging hole 731 close to the second detachable hanging portion 74. The first hanging hole 731 is used to hook on the first connecting shaft 341 and can rotate around the first connecting shaft 341. The second hanging hole 732 is used to hook on the second connecting shaft 342. The inner diameter of the second hanging hole 732 is larger than the width of the first limiting head 343 and the second limiting head 344, and larger than the inner diameter of the first hanging hole 731, and is used for the first connecting shaft 341 or the second connecting shaft 342 to move along its axial direction relative to the cantilever member 7 to disengage from or extend into the second hanging hole 732. The first hanging hole 731 and the second hanging hole 732 is connected through the first transition port 733. The inner diameter of the first transition port 733 is larger than the diameter of the first connecting shaft 341, and is used for the first connecting shaft 341 to move relative to the cantilever member 7 along its radial direction to disengage or extend into the first hanging hole 731. The second detachable hanging portion 74 includes a third hanging hole 741 and a fourth hanging hole 742 arranged on the side of the third hanging hole 741 close to the first detachable hanging portion 73. The third hanging hole 741 is used to be detached from the third connecting shaft 511 and can rotate around the third connecting shaft 511. The inner diameter of the fourth hanging hole 742 is larger than the width of the fifth limiting head 223 and larger than the inner diameter of the third hanging hole 741, and is used for the third connecting shaft 511 to move relative to the cantilever member 7 along its axial direction to disengage or extend into the first hanging hole 731. Extending into the fourth hanging hole 742, the third hanging hole 741 is connected to the fourth hanging hole 742 through the second transition port 743, and the inner diameter of the second transition port 743 is larger than the diameter of the third connecting shaft 511, which is used for the third connecting shaft 511 to move along its radial direction relative to the cantilever member 7 to disengage from or extend into the third hanging hole 741. When it needs to be folded, pull up the linkage structure, and extend the first and second limit heads from the first and third hanging holes into the second and fourth hanging holes through the first and second transition ports to take out the cantilever member 7. After the first riding frame 22 is folded and positioned, the first detachable hanging part 73 can be positioned and buckled on the second connecting shaft 342 to form a triangular support structure with the first armrest cross bar 34 and the first riding frame 22.

[0058] like Figure 13-17As shown, a third connecting shaft 511 is provided on the first cross rod 51, a fourth connecting shaft 441 is provided on the second handrail cross bar 44, and a sixth connecting shaft 231 is provided on the second riding frame 23. The outer end of the third connecting shaft 511 is provided with a third limiting head 512, the outer end of the fourth connecting shaft 441 is provided with a fourth limiting head 442, and the outer end of the sixth connecting shaft 231 is provided with a sixth limiting head 232. The lower end of the first cross rod 51 is hinged to the lower part of the second side frame 4 or the bottom frame 2, and also includes a linkage arm 9. The linkage arm 9 is detachably connected to the first cross rod 51 and the second riding frame 23, and one end of the linkage arm 9 is buckled with the second riding frame 23 through a disassembly and hanging structure, and the other end is connected to the third riding frame 23 through a disassembly and hanging structure before the second riding frame 23 is folded and positioned. The third detachable hanging portion 75 includes a fifth hanging hole 751 and a sixth hanging hole 752 arranged on the side of the fifth hanging hole 751 close to the fourth detachable hanging portion 76. The fifth hanging hole 751 is used to be detached and hung on the sixth connecting shaft 231 and can rotate around the sixth connecting shaft 231. The sixth hanging hole 752 is also used to be detached and hung on the sixth connecting shaft 231. The inner diameter of the sixth hanging hole 752 is greater than the width of the third limiting head 512 and the fourth limiting head 442, and is smaller than the inner diameter of the fifth hanging hole 751, and is used for The sixth connecting shaft 231 moves along its axial direction relative to the linkage arm 9 to disengage from or extend into the fifth hanging hole 751, and the fifth hanging hole 751 is connected to the sixth hanging hole 752 through the third transition port 753. The inner diameter of the third transition port 753 is larger than the diameter of the sixth connecting shaft 231, and is used for the sixth connecting shaft 231 to move along its radial direction relative to the linkage arm 9 to disengage from or extend into the sixth hanging hole 752. The fourth detachable hanging portion 76 includes a seventh hanging hole 761 and an eighth hanging hole 762 arranged on the side of the seventh hanging hole 761 close to the third detachable hanging portion 75. The eighth hanging hole 762 is used to be detached from the third and fourth connecting shafts. The inner diameter of the eighth hanging hole 762 is larger than the width of the third and fourth limit heads and smaller than the inner diameter of the eighth hanging hole 762, and is used for the third and fourth connecting shafts. It moves axially relative to the linkage arm 9 to disengage from or extend into the eighth hanging hole 762, and the seventh hanging hole 761 is connected to the eighth hanging hole 762 through the fourth transition port 763. The inner diameter of the fourth transition port 763 is larger than the diameter of the third and fourth connecting shafts, and is used for the third and fourth connecting shafts to move radially relative to the linkage arm 9 to disengage from or extend into the eighth hanging hole 762. When it needs to be folded, pull up the second riding frame 23, and extend the third and sixth limit heads from the sixth and eighth hanging holes into the fifth and seventh hanging holes through the third and fourth transition ports to take out the linkage arm 9. After the second riding frame 23 is folded and positioned, it can be positioned and connected to the fourth connecting shaft 441 through the second detachable hanging part 74 and form a triangular support structure between the second armrest cross bar 44 and the second riding frame 23.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

[0060] In short, the above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the patent of the present invention.

Claims

1. A multifunctional outdoor vehicle frame, characterized in that: include: The frame body includes a base frame, a first side frame and a second side frame arranged on both sides of the base frame along the length direction, and a third side frame and a fourth side frame arranged on both sides of the base frame along the width direction, the first and second side frames respectively including two load-bearing uprights arranged oppositely, and the ends of the third and fourth side frames are respectively connected to the first and second side frames; A movable frame is arranged above the base frame at intervals, the movable frame including a first riding frame hinged to the first side frame, a second riding frame hinged to the second side frame, and a bridge frame arranged between the first riding frame and the second riding frame; the first riding frame can be folded and positioned on the first side frame, and the second riding frame can be folded and positioned on the second side frame; the first riding frame can be rotated and folded relative to the first side frame, and the second riding frame can be rotated and folded relative to the second side frame, and the first riding frame and the second riding frame are fixed by first and second positioning members respectively; The bridge frame has an expanded state in which it is connected to the first riding frame and the second riding frame respectively, and a stowed state in which it is separated from the first riding frame and / or the second riding frame. In the expanded state, a first storage layer arranged between the base frame and the movable frame, and a second storage layer arranged on the upper side of the movable frame are formed between the third and fourth side frames; in the stowed state, a riding area arranged along the first riding frame, the second riding frame and the base frame is formed between the third and fourth side frames.

2. The outdoor vehicle frame according to claim 1, characterized in that: One end of the bridge frame is hinged to the first riding frame and can be rotated to be stacked and stored on the upper side of the first riding frame, and the other end is detachably connected to the second riding frame.

3. The outdoor vehicle frame according to claim 2, characterized in that: The second riding frame is provided with a first supporting portion protruding toward the frame body for supporting the bridge frame. The bridge frame is provided with a hanging portion arranged corresponding to the first supporting portion. The bridge frame is detachably connected to the second riding frame by resting on the first supporting portion through the hanging portion.

4. The outdoor vehicle frame according to claim 2, characterized in that: The first passenger frame is hinged to the first side frame via a first hinge shaft, a first flipping area is formed between the third and fourth side frames for the first passenger frame and the bridge frame to flip and fold upward around the axis of the first hinge shaft, and the first positioning member is provided on the upper portion of the first side frame or the upper portion of the third and fourth side frames for positioning the first passenger frame after flipping and folding; The second passenger frame is hinged to the second side frame through a second hinge axis, and a second flipping area is formed between the third and fourth side frames for the second passenger frame to flip and fold upward around the second hinge axis. The second positioning member is arranged on the upper part of the second side frame or the upper part of the third and fourth side frames, and is used for positioning the second passenger frame after flipping and folding.

5. The outdoor vehicle frame according to claim 4, characterized in that: The first positioning member includes a first positioning slot and a third positioning slot arranged opposite to the first positioning slot, wherein the notch of the first positioning slot is arranged toward the inside of the frame body, and the notch of the third positioning slot is arranged toward the outside of the frame body, the first positioning slot is provided with a first positioning channel for buckling connection with the first riding frame, and the third positioning slot is provided with a third positioning channel for buckling connection with the bridge frame; The second positioning member includes a second positioning slot, and the notch of the second positioning slot is arranged toward the inside of the frame body, and a second positioning channel is provided in the second positioning slot for buckle connection with the second riding frame; The positioning channel one, positioning channel two, and positioning channel three are arranged in parallel with the load-bearing vertical poles.

6. The outdoor vehicle frame according to any one of claims 1 to 5, characterized in that: Both ends of the third and fourth side frames respectively include a first handrail cross bar connected to the upper portion of the first side frame, and a second handrail cross bar connected to the upper portion of the second side frame. The first and second handrail cross bars are respectively arranged above the first and second riding frames, and the first and second handrail cross bars are respectively arranged on both sides of the riding area for passengers to hold their hands when riding in the riding area.

7. The outdoor vehicle frame according to claim 6, characterized in that: The first riding frame is connected to the first handrail cross bar through a cantilever member, the upper end of the cantilever member is suspended on the handrail cross bar, the first riding frame is suspended on the lower end of the cantilever member, and the cantilever member and the first handrail cross bar and / or the first riding frame are detachably connected through a hook structure.

8. The outdoor vehicle frame according to claim 7, characterized in that: The first handrail crossbar is provided with a first connecting shaft and a second connecting shaft, and the second connecting shaft is arranged at a distance from the first connecting shaft on one side close to the first side frame; One end of the cantilever member is hinged to the first riding frame, and the other end is hinged to the first connecting shaft before the first riding frame is folded and positioned, and forms a first polygonal linkage structure with the first armrest cross bar, the first side frame, and the first riding frame. After the first riding frame is folded and positioned, it can be positioned and connected to the second connecting shaft and form a triangular support structure between the first armrest cross bar and the first riding frame.

9. The outdoor vehicle frame according to claim 6, characterized in that: The third and fourth side frames respectively include at least one group of first cross rods and second cross rods hinged to each other, and the first cross rods are arranged on the inner side of the second cross rods; one end of the first handrail cross rod is hinged to the first side frame, and the other end is hinged to the upper end of the first cross rod; one end of the second handrail cross rod is hinged to the second side frame, and the other end is hinged to the upper end of the second cross rod; the second passenger frame is detachably overlapped on the first cross rod through a overlapped piece.

10. The outdoor vehicle frame according to claim 9, characterized in that: A third connecting shaft is provided on the first cross bar, and a fourth connecting shaft is provided on the second handrail cross bar; The lower end of the first cross bar is hinged to the lower portion of the second side frame or the bottom frame; It also includes a linkage arm, which is detachably connected to the first cross rod and / or the second riding frame via a hook structure, and one end of the linkage arm is hinged to the second riding frame, and the other end is hinged to the third connecting shaft before the second riding frame is folded and positioned, and forms a second polygonal linkage structure with the first cross rod, the second side frame, and the second riding frame, or forms a second polygonal linkage structure with the first cross rod, the second side frame, the bottom frame, and the second riding frame, and can be positioned and connected to the fourth connecting shaft and the triangular support structure between the second armrest cross bar and the second riding frame after the second riding frame is folded and positioned.

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