High-capacity folding bicycle

Abstract

The utility model discloses a high-capacity folding bicycle and relates to the technical field of folding bicycles, the high-capacity folding bicycle comprises a front frame, a rear frame, a front bottom frame and a rear bottom frame, the front bottom frame is vertically hinged to the lower end of the front frame, the rear bottom frame is vertically hinged to the lower end of the rear frame, and the sides, close to each other, of the front bottom frame and the rear bottom frame are hinged; first connecting plates are fixedly arranged on the two sides of the upper end of the front frame and the two sides of the upper end of the rear frame in the length direction, second connecting plates are fixedly arranged on the two sides of the lower end of the front frame and the two sides of the lower end of the rear frame in the length direction, a plurality of first side pipes, a plurality of second side pipes and a plurality of third side pipes are arranged between the front frame and the rear frame, and one ends of the first side pipes are hinged to the second side pipes. The other end of the first side pipe is hinged to the first connecting plate, the two second side pipes located on the same side of the front frame and the rear frame are hinged, one end of each third side pipe is hinged to the second connecting plate, the two third side pipes located on the same side of the front frame and the rear frame are hinged, and the second side pipes and the third side pipes are arranged in a crossed mode and hinged in the vertical direction. The folding bicycle has the effect of reducing the falling probability of an object from the folding bicycle.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of folding vehicle technology, in particular to a large-capacity folding vehicle. BACKGROUND

[0002] At present, folding vehicles have a wide range of use scenarios. For example, a folding vehicle in an unfolded state can help to transport goods or carry people; when the folding vehicle is in a storage state, it can occupy a smaller volume, thereby facilitating storage and transportation, such as being placed in the trunk of a family car. Therefore, the main requirement for a family folding vehicle is to occupy as small a space as possible in the storage state but to be as firm and flexible as possible in the unfolded state, and to be easy to use for carrying people or goods.

[0003] The related technology can refer to the Chinese patent application with the publication number CN221251281U, which discloses a folding vehicle, comprising a folding vehicle frame, a first support rod and a second support rod that are hingedly connected, a first rotating wheel and a second rotating wheel, the folding vehicle frame comprises a front end frame, a rear end frame, a first folding bottom frame and a second folding bottom frame, the first folding bottom frame and the second folding bottom frame can be folded or unfolded, the first support rod and the second support rod are located below the first folding bottom frame and the second folding bottom frame, the first support rod and the second support rod are used to support the first folding bottom frame and the second folding bottom frame, the first rotating wheel is rotatably arranged at the bottom of the front end frame, and the second rotating wheel is rotatably arranged at the bottom of the rear end frame. The folding vehicle additionally provides the first support rod and the second support rod, so that the first support rod and the second support rod support and carry the first folding bottom frame and the second folding bottom frame, thereby greatly increasing the carrying capacity of the folding vehicle.

[0004] For the related technology in the above, the folding vehicle has no side shielding on the first folding bottom frame and the second folding bottom frame, when the folding vehicle moves on an inclined or bumpy road surface, objects will displace inside the folding vehicle frame, which can easily cause the objects on the folding vehicle to fall from both sides of the folding vehicle frame, and the folding vehicle has poor limiting effect on the objects during movement. UTILITY MODEL CONTENTS

[0005] In order to reduce the probability of objects falling from the folding vehicle, the present application provides a large-capacity folding vehicle.

[0006] The present application provides a large-capacity folding vehicle, which adopts the following technical solution:

[0007] The utility model provides a large capacity folding car, including front frame, rear frame, front bottom frame and rear bottom frame, front bottom frame is hinged to the lower end of front frame along the vertical, rear bottom frame is hinged to the lower end of rear frame along the vertical, and the side of front bottom frame and rear bottom frame is hinged along the vertical, and the upper end of front frame and rear frame is provided with the connecting plate one along the length direction both sides, and the lower end of front frame and rear frame is provided with the connecting plate two along the length direction both sides, and the front frame and rear frame are equipped with a plurality of side pipe one, a plurality of side pipe two and a plurality of side pipe three, and the side pipe one and side pipe two correspond one by one, and one end of side pipe one is hinged with side pipe two, and the other end of side pipe one is hinged with connecting plate one, and the two side pipe two on the same side of front frame and rear frame are hinged along the vertical, and the side pipe three corresponds with connecting plate two, and one end of side pipe three is hinged with connecting plate two along the vertical, and the two side pipe three on the same side of front frame and rear frame are hinged along the vertical, and side pipe two and side pipe three are arranged and hinged along the vertical, and the lower end of front frame and rear frame is equipped with a plurality of gyro wheel, and the gyro wheel is provided with dismounting assembly between front frame and rear frame.

[0008] Through the above technical scheme, the front bottom frame and the rear bottom frame are used to support the objects between the front frame and the rear frame, the connecting plate one and the connecting plate two are used to connect the side pipe one and the side pipe three respectively, the side pipe one, the side pipe two and the side pipe three are matched to shield the two sides of the folding car, when the folding car is folded, the front frame and the rear frame are close to each other, the front bottom frame and the rear bottom frame are rotated along the hinge and close to each other, the end of the side pipe one away from the connecting plate one moves upward, thereby driving the side pipe two to move, the side pipe two and the side pipe three are rotated along the hinge and move to the side close to the connecting plate one, thereby completing the folding operation of the folding car, the side pipe two, the side pipe three, the front bottom frame and the rear bottom frame are matched to fold the folding car along the center, and the dismounting assembly is used to connect and dismount the gyro wheel, which is helpful to reduce the probability of the objects falling from the folding car.

[0009] Optionally, the front bottom frame includes two side edge bent rods, one end of the two side edge bent rods along the length direction is hinged to the lower end of the front frame along the vertical, the rear bottom frame includes two side edge straight rods, one end of the two side edge straight rods along the length direction is hinged to the lower end of the rear frame along the vertical, the side edge straight rod and the side edge bent rod close to each other are hinged along the vertical, a plurality of reinforcing rods are fixed between the two side edge straight rods and the two side edge bent rods, a support rod is arranged between the front frame and the rear frame, and the two ends of the support rod are rotatably connected to the connecting positions of the two side pipe two and located below the reinforcing rods.

[0010] Through the above technical scheme, the support rod is used to support the front bottom frame and the rear bottom frame, the reinforcing rod is used to strengthen the carrying capacity of the folding car as a whole, and the side edge bent rod and the side edge straight rod are matched to help eliminate the stress concentration phenomenon and reduce the probability of deformation of the front bottom frame and the rear bottom frame.

[0011] Optionally, the front frame lower end is vertically hinged with a connecting cylinder, the connecting cylinder is provided with a pull rod, the pull rod is slidingly connected with the connecting cylinder along the length direction of the pull rod, and a positioning member is arranged between the pull rod and the connecting cylinder to position the connecting cylinder and the pull rod.

[0012] By adopting the above technical scheme, the operator adjusts the overall length of the pull rod and the connecting cylinder according to the self condition, the positioning member is used for locking the pull rod and the connecting cylinder, when the folding vehicle needs to be moved, the operator pulls the pull rod to move the folding vehicle, and the convenience of moving the folding vehicle is improved.

[0013] Optionally, the connecting cylinder is provided with an elastic member at the position connected with the front frame, in the natural state, the elastic member drives the connecting cylinder to move close to the front frame, and the front frame is provided with a positioning block fixed on the side away from the rear frame.

[0014] By adopting the above technical scheme, when the folding vehicle is not used, the elastic member drives the connecting cylinder to move close to the front frame, the pull rod is located in the positioning block, and the pull rod and the front frame are fixed, so that the stability of the pull rod is improved.

[0015] Optionally, the dismounting assembly comprises a connecting column, a pressing block, a supporting cylinder and a limiting member, the connecting column is rotationally connected to the upper end of the roller and is vertically arranged, the connecting column is located in the supporting cylinder and is slidingly connected with the supporting cylinder in the vertical direction, the pressing block is located in the supporting cylinder and is slidingly connected with the supporting cylinder in the vertical direction, a groove is formed in the lower end of the pressing block, the upper end of the connecting column is located in the groove and is slidingly connected with the pressing block in the vertical direction, and the limiting member is located between the pressing block and the connecting column and is used for limiting the connecting column.

[0016] By adopting the above technical scheme, in the initial state, the limiting member is used to limit the relative position relationship between the connecting column and the pressing block, the upper end of the connecting column is located in the groove, when the roller needs to be dismounted, the pressing block is pressed downward to separate the limiting member from the connecting column, and then the connecting column is taken out from the supporting cylinder, so that the dismounting of the roller is realized, and the convenience of dismounting the roller is improved.

[0017] Optionally, the limiting member comprises a spring and two positioning rods, the upper end of the connecting column is circumferentially provided with a ring groove, one side of the pressing block is provided with two moving grooves which are communicated with the groove, the moving grooves are inclinedly arranged from the lower end to the upper end of the pressing block and point to the outer edge of the pressing block, the opposite sides of the supporting cylinder are both provided with two sliding grooves which are horizontally arranged and are opposite to the moving grooves, in the initial state, the two positioning rods are located in the two moving grooves and are located in the ring groove, the positioning rods are slidingly connected with the pressing block along the length direction of the moving grooves, the two ends of the positioning rods are located in the sliding grooves and are slidingly connected with the supporting cylinder along the length direction of the sliding grooves, and the spring is located between the supporting cylinder and the pressing block and drives the pressing block to be lifted in the vertical direction in the natural state.

[0018] By adopting the above technical scheme, the pressing block is pressed downward, the pressing block extrudes the spring, the positioning rod slides in the moving groove and the sliding groove during the downward movement of the pressing block, the sliding groove and the moving groove cooperate to make the positioning rod located outside the ring groove, thereby eliminating the limiting of the connecting column, and further improving the convenience of disassembling the roller.

[0019] Optionally, the rear frame upper end is fixedly provided with a rotating column, the rear frame side away from the front frame is provided with a cover plate one, the cover plate one upper end is vertically rotatably connected with the rotating column, the rear frame lower end is provided with two support plates, the two support plates are respectively located on both sides of the cover plate one along the length direction, the support plate upper end is attached to the lower ends of the cover plate one and the cover plate two, and the support plate side close to the rear frame is horizontally hinged with the rear frame.

[0020] By adopting the above technical scheme, when it rains, the cover plate one is axially rotated around the rotating column, so that the cover plate one is located above the rear frame, and the cover plate one and the cover plate two cooperate to shield the upper part of the folding vehicle, when the upper part of the folding vehicle does not need to be shielded, the support plate is flipped and attached to the lower part of the cover plate one and the cover plate two, and the cover plate two is limited, so that the cover plate one and the cover plate two are in the attached state, improving the environmental adaptability of the folding vehicle and the stability between the cover plate one and the cover plate two.

[0021] Optionally, the front frame upper end is fixedly provided with a locking sleeve made of elastic material, and the cover plate two upper end away from the cover plate one is fixedly provided with a locking block opposite to the locking sleeve.

[0022] By adopting the above technical scheme, when the cover plate one and the cover plate two shield the upper part of the folding vehicle, the locking block is located in the locking sleeve, which is conducive to improving the connection stability between the cover plate two and the front frame, and reducing the probability of shaking of the cover plate two during movement.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. When the folding vehicle is folded, the side pipe two drives the support rod to move upward, the support rod acts on the connection between the front bottom frame and the rear bottom frame, so that the folding vehicle is folded along the center, and in use, the side pipe one, the side pipe two and the side pipe three cooperate to shield both sides of the folding vehicle, which is conducive to reducing the probability of objects falling from the folding vehicle;

[0025] 2. The pressing block is pressed downward, the pressing block extrudes the spring, the positioning rod slides in the moving groove and the sliding groove during the downward movement of the pressing block, the sliding groove and the moving groove cooperate to make the positioning rod located outside the ring groove, thereby eliminating the limiting of the connecting column, and further improving the convenience of disassembling the roller;

[0026] 3. When it rains, rotate the cover plate one around the rotating column shaft to make the cover plate one above the rear frame, and the cover plate one and the cover plate two cooperate to realize the shielding of the upper part of the folding vehicle. At this time, the locking block is located in the locking sleeve. When the upper part of the folding vehicle does not need to be shielded, the support plate is turned over and attached to the lower part of the cover plate one and the cover plate two, and the cover plate two is limited, improving the adaptability of the folding vehicle to external conditions. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of embodiment 1.

[0028] Figure 2 is a schematic diagram of the disassembly assembly in embodiment 1.

[0029] Figure 3 is a schematic diagram of the internal structure of the disassembly assembly in embodiment 1.

[0030] Figure 4 is a schematic diagram of the overall structure of embodiment 2.

[0031] Figure 5 is a schematic diagram of the connection relationship between the rear frame and the cover plate one in embodiment 2.

[0032] BRIEF DESCRIPTION OF DRAWINGS: 1, front frame; 11, connecting plate one; 12, connecting plate two; 13, edge pipe one; 14, edge pipe two; 141, support rod; 15, edge pipe three; 16, roller; 17, connecting cylinder; 171, pull rod; 172, positioning piece; 173, elastic piece; 174, positioning block; 2, rear frame; 21, rotating column; 22, cover plate one; 23, cover plate two; 24, support plate; 25, locking block; 26, locking sleeve; 3, front bottom frame; 31, side edge bent rod; 4, rear bottom frame; 41, side edge straight rod; 42, reinforcing rod; 5, disassembly assembly; 51, connecting column; 511, ring groove; 52, pressing block; 521, groove; 522, moving groove; 53, support cylinder; 531, sliding groove; 54, limiting piece; 541, spring; 542, positioning rod. DETAILED DESCRIPTION

[0033] The application will be further described in detail below in combination with all the drawings.

[0034] The embodiment of the application discloses a large-capacity folding vehicle.

[0035] Embodiment 1

[0036] REFERENCE Figure 1A large capacity folding vehicle, comprising a front frame 1, a rear frame 2, a front bottom frame 3 and a rear bottom frame 4, the front bottom frame 3 is hingedly connected to the lower end of the front frame 1 in the vertical direction, the rear bottom frame 4 is hingedly connected to the lower end of the rear frame 2 in the vertical direction, the front bottom frame 3 and the rear bottom frame 4 are hingedly connected to each other on one side in the vertical direction, and the front bottom frame 3 and the rear bottom frame 4 are used to support the object between the front frame 1 and the rear frame 2.

[0037] Referring to Figure 1 , the front bottom frame 3 comprises two side edge bent rods 31, one end of each of the two side edge bent rods 31 is hingedly connected to the lower end of the front frame 1 in the vertical direction, the side edge bent rod 31 is beneficial to eliminate the stress concentration phenomenon, the bottom frame comprises two side edge straight rods 41, one end of each of the two side edge straight rods 41 is hingedly connected to the lower end of the rear frame 2 in the vertical direction, the side edge straight rod 41 is hingedly connected to the side edge bent rod 31 on one side, and the cooperation of the side edge straight rod 41 and the side edge bent rod 31 is beneficial to reduce the probability of deformation of the front bottom frame 3 and the rear bottom frame 4. A plurality of reinforcing rods 42 are fixedly arranged between the two side edge straight rods 41 and the two side edge bent rods 31, and the reinforcing rods 42 are used to strengthen the overall carrying capacity of the folding vehicle.

[0038] Referring to Figure 1 , the upper end of the front frame 1 and the upper end of the rear frame 2 are fixedly provided with a connecting plate one 11 on both sides in the length direction, the lower end of the front frame 1 and the lower end of the rear frame 2 are fixedly provided with a connecting plate two 12 on both sides in the length direction, a plurality of edge pipes one 13, a plurality of edge pipes two 14 and a plurality of edge pipes three 15 are arranged between the front frame 1 and the rear frame 2, one end of the edge pipe one 13 is hingedly connected with the edge pipe two 14, the other end of the edge pipe one 13 is hingedly connected with the connecting plate one 11, two edge pipes two 14 located on the same side of the front frame 1 and the rear frame 2 are hingedly connected in the vertical direction, when the front frame 1 and the rear frame 2 are close to each other, the end of the edge pipe one 13 away from the connecting plate one 11 moves upward, thereby driving the edge pipe two 14 to rotate and fold.

[0039] Referring to Figure 1 , the edge pipe three 15 corresponds to the connecting plate two 12 one by one, one end of the edge pipe three 15 is hingedly connected with the connecting plate two 12 in the vertical direction, two edge pipes three 15 located on the same side of the front frame 1 and the rear frame 2 are hingedly connected in the vertical direction, the edge pipe two 14 and the edge pipe three 15 are arranged in cross and hingedly connected in the vertical direction, when the edge pipe two 14 moves, the edge pipe two 14 and the edge pipe three 15 rotate along the hinge and move to the side close to the connecting plate one 11, thereby completing the folding operation of the folding vehicle. Since the connection parts of the two edge pipes two 14 and the two edge pipes three 15 are at the center of the folding vehicle, and the connection parts of the front bottom frame 3 and the rear bottom frame 4 are also at the center of the folding vehicle, the folding vehicle is folded with the center as the symmetry axis. During use, the edge pipe one 13, the edge pipe two 14 and the edge pipe three 15 cooperate to realize the shielding of both sides of the folding vehicle, which is beneficial to reduce the probability of objects falling off the folding vehicle.

[0040] Referring to Figure 1Supporting rods 141 are arranged between the front frame 1 and the rear frame 2, two ends of the supporting rods 141 are respectively rotatably connected to the connecting positions of the two edge pipes 14 and are located below the reinforcing rods 42, and the supporting rods 141 are used for supporting and limiting the front bottom frame 3 and the rear bottom frame 4.

[0041] With reference to Figure 1 A connecting barrel 17 is vertically hinged to the lower end of the front frame 1, a pull rod 171 is arranged in the connecting barrel 17, the pull rod 171 is slidably connected to the connecting barrel 17 along the length direction of the pull rod 171, a positioning member 172 is arranged between the pull rod 171 and the connecting barrel 17, an operator adjusts the overall length of the pull rod 171 and the connecting barrel 17 according to the own condition, the positioning member 172 is used for locking the pull rod 171 and the connecting barrel 17, when the folding vehicle needs to be moved, the operator pulls the pull rod 171 to move the folding vehicle, and the convenience of moving the folding vehicle is improved.

[0042] With reference to Figure 1 An elastic member 173 is arranged at the connecting position of the connecting barrel 17 and the front frame 1, in a natural state, the elastic member 173 drives the connecting barrel 17 to be close to the front frame 1, a positioning block 174 is fixedly arranged on the side, away from the rear frame 2, of the upper end of the front frame 1, the positioning block 174 is made of elastic material, when the folding vehicle is not used, the elastic member 173 drives the connecting barrel 17 to be close to the front frame 1, the pull rod 171 is located in the positioning block 174, the pull rod 171 and the front frame 1 are fixed, and the stability of the pull rod 171 is improved.

[0043] With reference to Figure 1 A plurality of rollers 16 are arranged at the lower ends of the front frame 1 and the rear frame 2, a dismounting assembly 5 is arranged between the plurality of rollers 16 and the front frame 1 and the rear frame 2, and the dismounting assembly 5 is used for connecting and dismounting the rollers 16.

[0044] With reference to Figure 2 and Figure 3 The dismounting assembly 5 comprises a connecting column 51, a pressing block 52, a supporting barrel 53 and a limiting member 54, the connecting column 51 is rotatably connected to the upper end of the roller 16, the connecting column 51 is located in the supporting barrel 53 and is slidably connected to the supporting barrel 53 in the vertical direction, the pressing block 52 is located in the supporting barrel 53 and is slidably connected to the supporting barrel 53 in the vertical direction, a groove 521 is arranged at the lower end of the pressing block 52, the upper end of the connecting column 51 is located in the groove 521 and is slidably connected to the pressing block 52 in the vertical direction, the limiting member 54 is located between the pressing block 52 and the connecting column 51, in an initial state, the limiting member 54 is used for limiting the relative position relationship between the connecting column 51 and the pressing block 52, the upper end of the connecting column 51 is located in the groove 521, when the roller 16 needs to be dismounted, the pressing block 52 is pressed downward, the limiting member 54 is separated from the connecting column 51, and then the connecting column 51 is taken out from the supporting barrel 53, so that the dismounting of the roller 16 is realized.

[0045] With reference to Figure 2 andFigure 3 The limiting piece 54 comprises a spring 541 and two positioning rods 542, the upper end of the connecting column 51 is provided with a ring groove 511 in the circumferential direction, one side of the pressing block 52 is provided with two moving grooves 522 which are communicated with the recesses 521, the moving grooves 522 are arranged in the direction from the center of the pressing block 52 to the outer edge of the pressing block 52 in the upward direction, the opposite sides of the supporting cylinder 53 are both provided with two sliding grooves 531 in the horizontal direction, the sliding grooves 531 are opposite to the moving grooves 522, in the initial state, the two positioning rods 542 are respectively located in the two moving grooves 522 and in the ring groove 511, the positioning rod 542, the pressing block 52 and the supporting cylinder 53 cooperate to limit the connecting column 51. The positioning rod 542 is slidably connected with the pressing block 52 in the length direction of the moving groove 522, the two ends of the positioning rod 542 are both located in the sliding groove 531 and are slidably connected with the supporting cylinder 53 in the length direction of the sliding groove 531, the spring 541 is located between the supporting cylinder 53 and the pressing block 52, the pressing block 52 is pressed downward to extrude the spring 541, in the process of moving downward of the pressing block 52, the positioning rod 542 slides in the moving groove 522 and the sliding groove 531 respectively, the sliding groove 531 and the moving groove 522 cooperate to make the positioning rod 542 located outside the ring groove 511, thereby eliminating the limitation on the connecting column 51, and the convenience of disassembling the roller 16 is improved.

[0046] The implementation principle of the embodiment 1 of the application is as follows: when the folding vehicle is folded, the side pipe one 13 drives the side pipe two 14 to move upward, thereby the side pipe two 14 drives the supporting rod 141 to move upward, the supporting rod 141 acts on the connecting position of the front bottom frame 3 and the rear bottom frame 4, so that the folding vehicle is folded along the center, when the folding vehicle is used, the front frame 1 and the rear frame 2 are away from each other, when the front frame 1 and the rear frame 2 are farthest away from each other, the supporting rod 141 is located below the front bottom frame 3 and the rear bottom frame 4, for supporting and limiting the front bottom frame 3 and the rear bottom frame 4, the plurality of reinforcing rods 42 cooperate to strengthen the overall bearing capacity of the folding vehicle, the side pipe one 13, the side pipe two 14 and the side pipe three 15 cooperate to shield the side edge during use of the folding vehicle, which is conducive to reducing the probability of objects falling off the folding vehicle.

[0047] Embodiment 2

[0048] With reference to Figure 4 and Figure 5 The difference between the embodiment and the embodiment 1 is that the upper end of the rear frame 2 is fixedly provided with a rotating column 21, one side of the rear frame 2 away from the front frame 1 is provided with a cover plate one 22, the upper end of the cover plate one 22 is rotatably connected with the rotating column 21 in the vertical direction, one side of the cover plate one 22 away from the rear frame 2 is provided with a cover plate two 23, the lower end of the cover plate one 22 is hingedly connected with the lower end of the cover plate two 23 in the vertical direction, when it rains, the cover plate one 22 is axially rotated around the rotating column 21, so that the cover plate one 22 is located above the rear frame 2, the cover plate one 22 and the cover plate two 23 cooperate to shield the upper part of the folding vehicle.

[0049] With reference to Figure 4 and Figure 5 , the upper end of the front frame 1 is fixedly provided with a locking sleeve 26 made of elastic material, and the upper end of the cover plate two 23 is fixedly provided with a locking block 25 away from the side of the cover plate one 22, the locking block 25 is opposite to the locking sleeve 26, when the cover plate one 22 and the cover plate two 23 are folded to shield the upper part of the folding vehicle, at this time the locking block 25 is located in the locking sleeve 26, which is conducive to improving the connection stability between the cover plate two 23 and the front frame 1, and reduces the probability of shaking of the cover plate two 23 during movement.

[0050] With reference to Figure 4 and Figure 5 , the lower end of the rear frame 2 is provided with two support plates 24, the two support plates 24 are respectively located on both sides of the cover plate one 22 along the length direction, the upper end of the support plate 24 is in contact with the lower end of the cover plate one 22 and the lower end of the cover plate two 23, and the side of the support plate 24 close to the rear frame 2 is hinged along the transverse direction, when the upper part of the folding vehicle does not need to be shielded, the support plate 24 is turned over and in contact with the lower part of the cover plate one 22 and the cover plate two 23, and the cover plate two 23 is limited, so that the cover plate one 22 and the cover plate two 23 are in the state of contact, which improves the environmental adaptability of the folding vehicle and the stability between the cover plate one 22 and the cover plate two 23.

[0051] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A large capacity folding vehicle comprising a front frame (1), a rear frame (2), a front bottom frame (3) and a rear bottom frame (4), the front bottom frame (3) being vertically hinged to the lower end of the front frame (1), the rear bottom frame (4) being vertically hinged to the lower end of the rear frame (2), the side of the front bottom frame (3) and the rear bottom frame (4) which are adjacent to each other being vertically hinged, characterized in that: The upper end of the front frame (1) and the upper end of the rear frame (2) are provided with a connecting plate (11) on both sides along the length direction, the lower end of the front frame (1) and the lower end of the rear frame (2) are provided with a connecting plate (12) on both sides along the length direction, a plurality of side pipes (13), a plurality of side pipes (14) and a plurality of side pipes (15) are arranged between the front frame (1) and the rear frame (2), the side pipe (13) and the side pipe (14) correspond to each other, one end of the side pipe (13) is hinged to the side pipe (14), the other end of the side pipe (13) is hinged to the connecting plate (11), the two side pipes (14) on the same side of the front frame (1) and the rear frame (2) are hinged along the vertical direction, the side pipe (15) corresponds to the connecting plate (12), one end of the side pipe (15) is hinged to the connecting plate (12) along the vertical direction, the two side pipes (15) on the same side of the front frame (1) and the rear frame (2) are hinged along the vertical direction, the side pipe (14) and the side pipe (15) are arranged in cross and hinged along the vertical direction, a plurality of rollers (16) are arranged at the lower end of the front frame (1) and the rear frame (2), and a disassembly assembly (5) is arranged between the plurality of rollers (16) and the front frame (1) and the rear frame (2). ​ 2. A large capacity folding vehicle as claimed in claim 1, wherein: The front bottom frame (3) comprises two side edge bent rods (31), and one end of each of the two side edge bent rods (31) is hinged to the lower end of the front frame (1) along the vertical direction, the rear bottom frame (4) comprises two side edge straight rods (41), and one end of each of the two side edge straight rods (41) is hinged to the lower end of the rear frame (2) along the vertical direction, one end of the side edge straight rod (41) close to the side edge bent rod (31) is hinged along the vertical direction, a plurality of reinforcing rods (42) are arranged between the two side edge straight rods (41) and the two side edge bent rods (31), and a supporting rod (141) is arranged between the front frame (1) and the rear frame (2), both ends of the supporting rod (141) are rotatably connected to the connecting positions of the two side pipes (14) and are located below the reinforcing rods (42).

3. A large capacity folding vehicle as claimed in claim 1 wherein: The lower end of the front frame (1) is hinged with a connecting cylinder (17) along the vertical direction, the connecting cylinder (17) is provided with a pull rod (171), the pull rod (171) is slidably connected with the connecting cylinder (17) along the length direction of the pull rod (171), and a positioning piece (172) is arranged between the pull rod (171) and the connecting cylinder (17) to position the connecting cylinder (17) and the pull rod (171).

4. A large capacity folding vehicle as claimed in claim 3, wherein: An elastic piece (173) is arranged at the connecting position of the connecting cylinder (17) and the front frame (1), in a natural state, the elastic piece (173) drives the connecting cylinder (17) to approach the front frame (1), and a positioning block (174) is fixedly arranged on one side of the upper end of the front frame (1) away from the rear frame (2), and the positioning block (174) is made of an elastic material.

5. The large capacity folding vehicle of claim 1, wherein: The dismounting assembly (5) comprises a connecting column (51), a pressing block (52), a supporting cylinder (53) and a limiting piece (54), the connecting column (51) is rotationally connected to the upper end of the roller (16) and is vertically arranged, the connecting column (51) is located inside the supporting cylinder (53) and is vertically and slidingly connected with the supporting cylinder (53), the pressing block (52) is located inside the supporting cylinder (53) and is vertically and slidingly connected with the supporting cylinder (53), a recess (521) is formed in the lower end of the pressing block (52), the upper end of the connecting column (51) is located in the recess (521) and is vertically and slidingly connected with the pressing block (52), and the limiting piece (54) is located between the pressing block (52) and the connecting column (51) and is used for limiting the connecting column (51).

6. A large capacity folding vehicle as claimed in claim 5, wherein: The limiting piece (54) comprises two positioning rods (542) and a spring (541), a ring groove (511) is formed in the upper end of the connecting column (51) in the circumferential direction, two moving grooves (522) are formed in one side of the pressing block (52) and are communicated with the recess (521), the moving grooves (522) are arranged in an inclined manner from the lower end to the upper end of the pressing block (52) and point to the outer edge of the pressing block (52) along the center of the pressing block (52), two sliding grooves (531) are formed in the opposite sides of the supporting cylinder (53) in the horizontal direction, the sliding grooves (531) are opposite to the moving grooves (522), in the initial state, the two positioning rods (542) are located in the two moving grooves (522) and in the ring groove (511), the positioning rods (542) are slidingly connected with the pressing block (52) along the length direction of the moving grooves (522), the two ends of the positioning rods (542) are located in the sliding grooves (531) and are slidingly connected with the supporting cylinder (53) along the length direction of the sliding grooves (531), and the spring (541) is located between the supporting cylinder (53) and the pressing block (52) and drives the pressing block (52) to be lifted in the vertical direction in the natural state.

7. The large capacity folding vehicle of claim 1, wherein: The upper end of the rear frame (2) is fixedly provided with a rotating column (21), one side of the rear frame (2) away from the front frame (1) is provided with a cover plate one (22), the upper end of the cover plate one (22) is rotationally connected with the rotating column (21) in the vertical direction, one side of the cover plate one (22) away from the rear frame (2) is provided with a cover plate two (23), the lower end of the cover plate one (22) is hingedly connected with the lower end of the cover plate two (23) in the vertical direction, the lower end of the rear frame (2) is provided with two supporting plates (24), the two supporting plates (24) are located on the two sides of the cover plate one (22) in the length direction, the upper end of each supporting plate (24) is attached to the lower end of the cover plate one (22) and the lower end of the cover plate two (23), and one side of each supporting plate (24) close to the rear frame (2) is hingedly connected with the rear frame (2) in the horizontal direction.

8. A large capacity folding vehicle according to claim 7, wherein: The upper end of the front frame (1) is fixedly provided with a locking sleeve (26) made of elastic material, and the upper end of the cover plate two (23) away from the cover plate one (22) is fixedly provided with a locking block (25) opposite to the locking sleeve (26).

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