Foldable multi-wheel vehicle

Abstract

The foldable multi-wheel vehicle comprises a base, a base support is installed on the periphery of the base in a surrounding mode, an installation support is arranged on one side of the base support, a rear connecting part is installed on the base, and a stand column and a plurality of first rotating parts are arranged on the two sides of the installation support; the double-wheel support is movably arranged on the two sides of the mounting support through the first rotating part, and two front wheels are arranged on the double-wheel support; the single-wheel support is rotationally arranged on the rear connecting part, and a single rear wheel is arranged on the single-wheel support; the seat is mounted above the base, a seat bracket and a mounting device fixedly arranged below the seat bracket are arranged below the seat, and the mounting device is used for fixing the seat on the base; the double-wheel support and the single-wheel support can enter a folded state and an unfolded state through rotation on the base.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of folding vehicles, in particular to a foldable multi-wheel vehicle. BACKGROUND

[0002] With the increasing interest in outdoor activities, for some people who want to travel comfortably on the beach, the lying type of beach cart is a relatively good choice. However, the large volume of the beach cart becomes a big problem for storage. The foldable beach cart can well solve this problem. Therefore, how to optimize the folding area of the beach cart is the purpose of the present application.

[0003] The above content is only used to assist in understanding the technical solutions of the present application and does not represent the acknowledgement of the above content as the closest prior art to the present application. SUMMARY

[0004] Therefore, the present application provides a foldable multi-wheel vehicle to solve one of the above technical problems.

[0005] The technical solution adopted by the present application to solve the technical problem is a foldable multi-wheel vehicle, comprising: a base, a base support is installed around the periphery of the base, an installation support is provided on one side of the base support, a rear connecting portion is installed on the base, a stand and a plurality of first rotating portions are provided on both sides of the installation support; a double-wheel support is movably provided on both sides of the installation support through the first rotating portion, two front wheels are provided on the double-wheel support; a single-wheel support is rotatably provided on the rear connecting portion, a single rear wheel is provided on the single-wheel support; a seat is installed above the base, a seat support and a mounting device fixedly provided below the seat support are provided below the seat, the mounting device is used to fix the seat on the base; the double-wheel support and the single-wheel support can enter the folded state and the unfolded state on the base by rotating.

[0006] In some embodiments, the double-wheel support comprises an upper support, a lower support and a double-wheel connecting portion, one end of the upper support and the lower support is rotatably provided on the installation support through the first rotating portion, the other end of the upper support and the lower support is rotatably connected with the double-wheel connecting portion.

[0007] In some embodiments, the column is vertically arranged inside the mounting bracket, first locking holes are arranged on both sides of the column, a locking part is slidably arranged on the column, second locking holes are arranged on both sides of the locking part, the first locking holes and the second locking holes coincide in the unfolded state, and a locking bolt is inserted into the first locking holes and the second locking holes to lock the unfolded position of the locking part, first damping devices are rotatably arranged on both sides of the locking part, and the other ends of the first damping devices are rotatably connected with the lower bracket.

[0008] In some embodiments, one end of the double-wheel connecting part is provided with a second rotating part for rotatably connecting with the lower bracket, the other end is provided with a fixing column, and a third rotating part is arranged on one side of the fixing column for rotatably connecting with the upper bracket, one side of one of the third rotating parts is rotatably provided with a locking clamping plate, and the locking clamping plate can be clamped on the other third rotating part in the folded state.

[0009] In some embodiments, a control rod mounting part is further arranged on the mounting bracket, the control rod mounting part comprises two V-shaped mounting plates, a control rod is rotatably arranged between the two V-shaped mounting plates at a distance, and a pipe connector is arranged between the V-shaped mounting plates, the pipe connector can lock the two control rods in the unfolded state.

[0010] In some embodiments, a connecting bracket is fixedly arranged on one side of the control rod mounting part, a connecting plate is arranged on one side of the double-wheel connecting part, ball joints are arranged at the ends of the connecting plate and the two sides of the connecting bracket, two adjacent ball joints are connected by a ball joint connecting rod, and annular buckles that can cooperate with the ball joints are arranged at the two ends of the ball joint connecting rod.

[0011] In some embodiments, a second damping device is rotatably arranged on the top of the single-wheel bracket, and a limiting column perpendicular to the second damping device is arranged at the end of the second damping device.

[0012] In some embodiments, the mounting device comprises a fixing part and an adjusting part, the fixing part comprises two auxiliary mounting parts and one main mounting part, the auxiliary mounting parts can be clamped on the base bracket, the main mounting part is C-shaped and can be clamped on the base bracket and the seat bracket at the same time, an adjusting part is formed at the end of the main mounting part clamping the seat bracket, a plurality of adjusting grooves are arranged on the adjusting part, the angle of the seat is adjusted by changing the adjusting grooves at different positions to clamp on the limiting column, a limiting plate is arranged on the adjusting part, and the limiting plate and the adjusting part are connected by a tension spring and a connecting rod.

[0013] In some embodiments, the rear connecting part comprises two mounting plates, each mounting plate comprises a limiting slot, the rotating shaft is arranged between the mounting plates and is used to be rotatably connected with the single-wheel support, and the limiting slot is used to be matched and fixed with the limiting column in the unfolded state.

[0014] In some embodiments, the double-wheel support is provided with a plurality of rollers at the bottom of the mounting support, and the rollers can be in contact with the ground in the folded state.

[0015] The application has the advantages that the single-wheel support can be rotatably arranged on the rear connecting part, so that the single-wheel support and the rear wheel are located above the base in the folded state, the floor area is effectively reduced, and storage and transportation are facilitated; a plurality of damping devices are arranged, so that the influence of road conditions on the user lying on the seat can be effectively reduced; and the locking bolt and the locking clamping plate can quickly switch the single-wheel support and the double-wheel support between the folded state and the unfolded state. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0017] Figure 1 is a three-dimensional structure schematic diagram of the unfolded state of the application.

[0018] Figure 2 is a second perspective view of the unfolded state of the application.

[0019] Figure 3 is a three-dimensional structure schematic diagram of the folded state of the application.

[0020] Figure 4 is a mounting schematic diagram of the front wheel support and the rear wheel support in the unfolded state of the application.

[0021] Figure 5 is a mounting schematic diagram of the front wheel support and the rear wheel support in the folded state of the application.

[0022] Figure 6 is a three-dimensional structure schematic diagram of the base of the application.

[0023] Figure 7 is a three-dimensional structure schematic diagram of the control rod mounting part of the application.

[0024] Figure 8 is a side view schematic diagram of the seat of the application.

[0025] Explanation of reference numerals: 1, base; 11, base support; 12, mounting support; 121, stand; 1211, locking portion; 1212, locking bolt; 1213, first damping device; 122, first rotating portion; 123, control rod mounting portion; 1231, V-shaped mounting plate; 1232, control rod; 1233, pipe connector; 124, connecting support; 125, connecting plate; 126, connecting rod; 13, rear connecting portion; 131, mounting plate; 1311, rotating shaft; 1312, limiting groove; 2, double-wheel support; 21, front wheel; 22, upper support; 23, lower support; 24, double-wheel connecting portion; 241, second rotating portion; 242, fixing column; 243, third rotating portion; 244, locking clamping plate; 3, single-wheel support; 31, rear wheel; 32, second damping device; 33, limiting column; 4, seat; 41, seat support; 42, mounting device; 421, fixing portion; 4211, main mounting portion; 4212, auxiliary mounting portion; 422, adjusting portion; 4221, adjusting groove; 4222, limiting plate; 5, roller. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without any creative work are within the protection scope of the present application. In addition, the technical solutions in each embodiment can be combined with each other, but the combination should be based on the fact that a person of ordinary skill in the art can realize the combination, and when the combination of the technical solutions appears contradictory or unachievable, it should be considered that the combination of the technical solutions does not exist and is not within the protection scope of the present application.

[0027] In the embodiments of the present application, please refer to Figures 1-8As shown, the application provides a foldable multi-wheel vehicle, mainly comprising: a base 1, a base support 11 is installed around the periphery of the base 1, an installation support 12 is arranged on one side of the base support 11, a rear connecting portion 13 is installed on the base 1, a stand 121 and a plurality of first rotating portions 122 are arranged on both sides of the installation support 12; a double-wheel support 2 is movably arranged on both sides of the installation support 12 through the first rotating portions 122, two front wheels 21 are arranged on the double-wheel support 2; a single-wheel support 3 is rotatably arranged on the rear connecting portion 13, a single rear wheel 31 is arranged on the single-wheel support 3; a seat 4 is installed above the base 1, a seat support 41 and a mounting device 42 fixedly arranged below the seat support 41 are arranged below the seat 4, the mounting device 42 is used to fix the seat 4 on the base 1; the double-wheel support 2 and the single-wheel support 3 can be folded and unfolded on the base 1 by rotating.

[0028] Specifically, when it is needed to convert from the unfolded state to the folded state, the double-wheel supports 2 on both sides of the installation support 12 are simultaneously rotated upward, so that the occupied width of the double-wheel supports 2 is shortened, and the single-wheel support 3 is rotated to the upper side of the base 1 about the axis of rotation connected with the rear connecting portion 13, and part of the rear wheel 31 enters between the two front wheels 21, so that the occupied length of the single-wheel support 3 is shortened, which can effectively reduce the floor area and improve the transportation capacity.

[0029] In the following, some preferred / modified embodiments based on the above-mentioned embodiments will be further described. Any one or a plurality of the following embodiments can be selected and combined.

[0030] Reference Figure 4 As shown, the double-wheel support 2 comprises an upper support 22, a lower support 23 and a double-wheel connecting portion 24, one end of the upper support 22 and the lower support 23 is rotatably arranged on the installation support 12 through the first rotating portion 122, and the other end of the upper support 22 and the lower support 23 is rotatably connected with the double-wheel connecting portion 24. Specifically, in the unfolded state, the upper support 22 and the lower support 23 are parallel to each other, and the double-wheel connecting portion 24 is perpendicular to the upper support 22 and the lower support 23; in the folded state, the upper support 22 and the lower support 23 are both rotated upward, the lower support 23 and the double-wheel connecting portion 24 are in a straight line, and the lower support 23 and the upper support 22 still remain parallel.

[0031] Specifically, the column 121 is vertically arranged inside the mounting bracket 12, the two sides of the column 121 are provided with first locking holes, the column 121 is slidably provided with a locking portion 1211, the two sides of the locking portion 1211 are provided with second locking holes, in the unfolded state, the first locking hole and the second locking hole coincide, and a locking bolt 1212 for locking the unfolded state position of the locking portion 1211 is inserted into the first locking hole and the second locking hole, the two sides of the locking portion 1211 are rotatably provided with a first damping device 1213, and the other end of the first damping device 1213 is rotatably connected with the lower bracket 23. The locking portion 1211 can slide on the column 121, so as to ensure that the upper bracket 22 and the lower bracket 23 cannot be rotated upward in the unlocked state, the locking bolt 1212 can ensure that the locking portion 1211 cannot slide on the column 121 when the locking bolt 1212 is inserted into the first locking hole and the second locking hole, and the unfolded state is locked, when unlocking is needed, only the locking bolt 1212 needs to be pulled out to unlock and quickly complete the switching from the unfolded state to the folded state.

[0032] Specifically, one end of the double-wheel connecting portion 24 is provided with a second rotating portion 241 for rotatably connecting with the lower bracket 23, the other end is provided with a fixed column 242, and the other end is provided with a third rotating portion 243 for rotatably connecting with the upper bracket 22, one side of one of the third rotating portions 243 is rotatably provided with a locking clamping plate 244, and the locking clamping plate 244 can be clamped on the other third rotating portion 243 in the folded state. The outer contour of the second rotating portion 241 and the third rotating portion 243 on the double-wheel connecting portion 24 is L-shaped, so as to ensure that the double-wheel connecting portion 24, the lower bracket 23 and the upper bracket 22 are parallel in the folded state, and the stability during driving is ensured.

[0033] Referring to Figure 7 As shown in the figure, in order to ensure the angle locking of the control rod 1232 in the unfolded state, the mounting bracket 12 is further provided with a control rod mounting portion 123, the control rod mounting portion 123 comprises two V-shaped mounting plates 1231, the two V-shaped mounting plates 1231 are rotatably arranged at a distance and provided with a control rod 1232, and a pipe connector 1233 is arranged between the two V-shaped mounting plates 1231, the pipe connector 1233 can lock the two control rods 1232 in the unfolded state.

[0034] Specifically, one side of the control rod mounting portion 123 is fixedly provided with a connecting support 124, one side of the double-wheel connecting portion 24 is provided with a connecting plate 125, the ends of the connecting plate 125 are provided with ball joints on both sides of the connecting support 124, two adjacent ball joints are connected through a ball joint connecting rod 126, and the two ends of the ball joint connecting rod 126 are provided with annular buckles capable of cooperating with the ball joints. The connection and cooperation of the ball joints are more flexible, and the ball joints can ensure a large rotation range when switching from the unfolded state to the folded state.

[0035] Specifically, the top of the single-wheel support 3 is rotationally provided with a second damping device 32, and the end of the second damping device 32 is provided with a limiting column 33 perpendicular to the second damping device 32. In this way, the second damping device 32 can effectively reduce the influence of road conditions on the user on the seat 4.

[0036] Referring to Figure 8 As shown in the figure, the mounting device 42 includes a fixing portion 421 and an adjusting portion 422. The fixing portion 421 includes two auxiliary mounting portions 4212 and one main mounting portion 4211. The auxiliary mounting portions 4212 can be clamped on the base support 11. The main mounting portion 4211 is C-shaped and can be clamped on the base support 11 and the seat support 41 at the same time. An adjusting portion 422 is formed at the end of the main mounting portion 4211 clamping the seat support 41. A plurality of adjusting grooves 4221 are formed in the adjusting portion 422. The angle of the seat 4 is adjusted by changing the clamping position of the adjusting grooves 4221 on the limiting column 33. A limiting plate 4222 is arranged on the adjusting portion 422. The limiting plate 4222 and the adjusting portion 422 are connected by a tension spring and a connecting rod 126. Specifically, when the clamping position of the adjusting grooves 4221 is changed, the fixing portion 421 can be self-adjusted under the action of the tension spring and the connecting rod 126.

[0037] Specifically, the rear connecting portion 13 includes two mounting plates 131. Each mounting plate 131 includes a limiting groove 1312. A rotating shaft 1311 is arranged between the mounting plates 131 and is used for rotationally connecting with the single-wheel support 3. The limiting groove 1312 is used for cooperating with and fixing the limiting column 33 in the unfolded state. In this way, the up-down direction of the limiting column 33 can be clamped by the adjusting grooves 4221 and the limiting grooves 1312 at the same time, so as to ensure the mounting strength of the seat 4.

[0038] As a preferred, in order to facilitate movement in the folded state, a plurality of rollers 5 are arranged at the bottom of the double-wheel support 2 and the mounting support 12. The rollers 5 can be in contact with the ground in the folded state.

[0039] So far, various embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present application, and the foregoing embodiments are only used to illustrate the technical solutions of the present application, not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that the technical solutions described in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A foldable multi-wheeled vehicle, characterized by, The utility model provides a folding bicycle, which comprises a base, a base support mounted around the periphery of the base, a mounting support provided on one side of the base support, a rear connecting portion mounted on the base, a stand provided on both sides of the mounting support, a front wheel provided on the stand, a single-wheel support rotatably provided on the rear connecting portion, a single rear wheel provided on the single-wheel support, a seat mounted above the base, a seat support provided below the seat, and a mounting device fixedly provided below the seat support for fixing the seat to the base. The stand and the single-wheel support can be folded and unfolded by rotating on the base. The stand comprises an upper support, a lower support, and a double-wheel connecting portion. The stand is rotatably provided on the mounting support through a first rotating portion at one end of the upper support and the lower support. The other end of the upper support and the lower support is rotatably connected to the double-wheel connecting portion. The stand is vertically provided in the mounting support.

2. A foldable multi-wheeled vehicle according to claim 1, wherein, The stand is rotatably provided with a locking portion on the stand.

3. A foldable multi-wheeled vehicle according to claim 2, wherein, The other end of the stand is rotatably connected to the lower support through a first damping device.

4. The foldable multi-wheel vehicle of claim 2, wherein, The double-wheel connecting portion is rotatably connected to the lower support through a second rotating portion at one end of the double-wheel connecting portion.

5. The foldable multi-wheel vehicle of claim 2, wherein, The other end of the double-wheel connecting portion is provided with a fixed column.

6. A foldable multi-wheeled vehicle according to claim 5, wherein, One side of the fixed column is provided with a third rotating portion for rotatably connecting to the upper support.

7. The foldable multi-wheel vehicle of claim 1, wherein, One side of one of the third rotating portions is rotatably provided with a locking clamping plate. The locking clamping plate can be clamped on the other third rotating portion in the folded state. The mounting support is further provided with a control rod mounting portion. The control rod mounting portion comprises two V-shaped mounting plates. The two V-shaped mounting plates are rotatably provided with a control rod at a distance. The V-shaped mounting plates are provided with a pipe connector. The pipe connector can lock the two control rods in the unfolded state. One side of the control rod mounting portion is fixedly provided with a connecting support. One side of the double-wheel connecting portion is provided with a connecting plate. The end of the connecting plate and both sides of the connecting support are provided with a ball joint. Two adjacent ball joints are connected by a ball joint connecting rod. The ball joint connecting rod is provided with a ring-shaped buckle at both ends. The top of the single-wheel support is rotatably provided with a second damping device. The end of the second damping device is provided with a limiting column perpendicular to the second damping device.

8. A foldable multi-wheeled vehicle according to claim 7, wherein, The mounting device comprises a fixing part and an adjusting part, the fixing part comprises two auxiliary mounting parts and one main mounting part, the auxiliary mounting parts can be clamped on the base support, the main mounting part is C-shaped and can be clamped on the base support and the seat support at the same time, and an adjusting part is formed at the end clamping the seat support, a plurality of adjusting grooves are formed in the adjusting part, the angle of the seat is adjusted by changing the adjusting grooves in different positions to be clamped on the limiting column, a limiting plate is arranged on the adjusting part, and the limiting plate and the adjusting part are connected through a tension spring and a connecting rod.

9. The foldable multi-wheel vehicle of claim 7, wherein, The rear connecting part comprises two mounting plates, each mounting plate comprises a limiting groove, a rotating shaft is arranged between the mounting plates and is used for being rotatably connected with the single-wheel support, and the limiting groove is used for being matched and fixed with the limiting column in the unfolded state.

10. The foldable multi-wheel vehicle of claim 1, wherein, The bottom of the double-wheel support and the mounting support is provided with a plurality of rollers, and the rollers can be in contact with the ground in the folded state.

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