Detachable and foldable tricycle

Abstract

The utility model discloses a detachable and foldable tricycle which comprises a first main tricycle frame and a second main tricycle frame which are arranged on the two sides, the front end of the first main tricycle frame and the front end of the second main tricycle frame are connected together in a rotating and folding mode through a rotating connecting mechanism, and a front wheel set is detachably arranged at the bottom of the rotating connecting mechanism. The bottom of the rear end of the first main frame and the bottom of the rear end of the second main frame are detachably provided with rear wheel sets, the top of the first main frame and the top of the second main frame are detachably provided with handle sets, disassembly and assembly are convenient, manufacturer transportation is facilitated, and the transportation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tricycles, in particular to a detachable and foldable tricycle. Background Art

[0002] Nowadays, the population is aging seriously, and more care and protection are needed for the elderly. As people age, their body functions will gradually deteriorate. For example, the deterioration of mobility has an impact on the lives of the elderly. In response to the problem of deterioration of mobility of the elderly, more and more medical devices have appeared on the market to assist the elderly in their movements and lives. For example, tricycles are designed to assist the elderly in walking.

[0003] However, current tricycles are generally of an integral structure and cannot be disassembled, which makes it inconvenient for manufacturers to transport them, resulting in high transportation costs for manufacturers, and inconvenient for users to store them, requiring a large storage space and resulting in a poor user experience.

[0004] Therefore, it is necessary to improve the existing technology. Utility Model Content

[0005] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention provides a detachable and foldable tricycle, which is convenient for assembly and disassembly and convenient for manufacturers to transport.

[0006] The above purpose is achieved through the following technical solutions:

[0007] A detachable and foldable tricycle comprises a first main frame and a second main frame on both sides, wherein the front ends of the first main frame and the second main frame are rotatably and foldably connected together via a rotating connection mechanism, a front wheel group is detachably provided at the bottom of the rotating connection mechanism, a rear wheel group is detachably provided at the bottom of the rear ends of the first main frame and the second main frame, and a handle group is detachably provided at the top of the first main frame and the second main frame.

[0008] In some embodiments, the first main frame and the second main frame both include a central frame portion, an upper frame portion, a lower frame portion and a front frame portion, wherein the central frame portion is arc-shaped, the upper frame portion is detachably connected to the top of the central frame portion, the lower frame portion is detachably connected to the bottom of the central frame portion, the rear end of the front frame portion is detachably connected to the middle portion of the central frame portion, and the handle group is detachably connected to the top of the upper frame portion, and the rear wheel group is detachably connected to the bottom of the lower frame portion.

[0009] In some embodiments, the rotation connection mechanism is connected between a front end of the front frame portion of the first main frame and a front end of the front frame portion of the second main frame.

[0010] In some embodiments, the rotating connection mechanism includes a first connecting member, a second connecting member, a screw and a nut, the first connecting member includes at least two and is spaced apart on the front frame portion of the first main frame, the second connecting member includes at least two and is spaced apart on the front frame portion of the second main frame, the first connecting member and the second connecting member are spaced apart and staggered in the up and down directions, and one end of the screw passes through the connecting part of the front wheel group, the first connecting member and the second connecting member in sequence from bottom to top and is connected to the nut.

[0011] In some embodiments, a connecting assembly is provided above the rotating connection mechanism and between the first main frame and the second main frame, and the connecting assembly includes a first connecting plate provided on the front frame portion of the first main frame, a second connecting plate provided on the front frame portion of the second main frame, and a screw-nut assembly for rotatably connecting the first connecting plate and the second connecting plate together.

[0012] In some embodiments, a foldable support structure is provided between the central frame portion of the first main frame and the central frame portion of the second main frame;

[0013] When the expansion structure is in the expanded state, the first main frame and the second main frame can be expanded;

[0014] When the expansion structure is in the folded state, the first main frame and the second main frame can be folded.

[0015] In some embodiments, the support structure includes a first strut and a second strut, a first connecting portion is provided on the central frame portion of the first main frame, and a second connecting portion is provided on the central frame portion of the second main frame, one end of the first strut is rotatably connected to the first connecting portion, and the other end is rotatably connected to one end of the second strut, and the other end of the second strut is rotatably connected to the second connecting portion.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] 1. The utility model provides a detachable and foldable tricycle, which is convenient for assembly and disassembly, convenient for manufacturers to transport, and reduces the packaging and transportation costs of manufacturers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the tricycle in the embodiment Figure 1 ;

[0019] Figure 2 yes Figure 1 A partial enlarged view of part A;

[0020] Figure 3 It is a three-dimensional schematic diagram of the tricycle in the embodiment Figure 2 ;

[0021] Figure 4 yes Figure 3 A partial enlarged view of part B. DETAILED DESCRIPTION

[0022] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific embodiments of the present invention or equivalent replacements of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed in the present invention.

[0023] Example 1: Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, this embodiment provides a detachable and foldable tricycle, including a first main frame 1 and a second main frame 2 on both sides, the front ends of the first main frame 1 and the second main frame 2 are rotatably and foldably connected together through a rotating connection mechanism 3, a front wheel group 4 is detachably provided at the bottom of the rotating connection mechanism 3, a rear wheel group 5 is detachably provided at the bottom of the rear ends of the first main frame 1 and the second main frame 2, and a handle group 6 is detachably provided at the top of the first main frame 1 and the second main frame 2.

[0024] The detachable and foldable tricycle provided in this embodiment is easy to assemble and disassemble, facilitates transportation by manufacturers, and reduces packaging and transportation costs for manufacturers. Specifically, the first main frame 1, the second main frame 2, the front wheel assembly 4, the rear wheel assembly 5, and the handle assembly 6 are all detachably connected, making it easier for manufacturers to package the tricycle, reducing packaging volume, facilitating transportation, and reducing packaging and transportation costs. Furthermore, it is convenient for users to store the tricycle, requiring less storage space, and providing a better user experience.

[0025] Furthermore, the first main frame 1 and the second main frame 2 both include a central frame portion 11, an upper frame portion 12, a lower frame portion 13 and a front frame portion 14, wherein the central frame portion 11 is arc-shaped, the upper frame portion 12 is detachably connected to the top of the central frame portion 11, the lower frame portion 13 is detachably connected to the bottom of the central frame portion 11, the rear end of the front frame portion 14 is detachably connected to the middle portion of the central frame portion 11, and the handle group 6 is detachably connected to the top of the upper frame portion 12, and the rear wheel group 5 is detachably connected to the bottom of the lower frame portion 13. By adopting a detachable first main frame 1 and second main frame 2, the packaging volume of the first main frame 1 and second main frame 2 can be reduced, which is convenient for manufacturers to transport, thereby further reducing the packaging and transportation costs of manufacturers.

[0026] Furthermore, the rotation connection mechanism 3 is connected between the front end of the front frame portion 14 of the first main frame 1 and the front end of the front frame portion 14 of the second main frame 2. Its structure is simple, thereby realizing the rotation connection between the first main frame 1 and the second main frame 2.

[0027] In this embodiment, the rotation connection mechanism 3 includes a first connecting member 31, a second connecting member 32, a screw 33 and a nut 34. The first connecting member 31 includes at least two and is spaced apart on the front frame portion 14 of the first main frame 1. The second connecting member 32 includes at least two and is spaced apart on the front frame portion 14 of the second main frame 2. The first connecting member 31 and the second connecting member 32 are spaced apart and staggered in the up and down directions. One end of the screw 33 passes through the connection portion of the front wheel group 4, the first connecting member 31 and the second connecting member 32 from bottom to top in sequence and is connected to the nut 34. The structure is simple and the design is reasonable and ingenious, thereby realizing the rotation connection between the first main frame 1 and the second main frame 2, and improving the stability and reliability of the connection between the two.

[0028] Furthermore, a connecting assembly 7 is provided above the rotating connecting mechanism 3 and between the first main frame 1 and the first main frame 2. The connecting assembly 7 includes a first connecting piece 71 provided on the front frame portion 14 of the first main frame 1, a second connecting piece 72 provided on the front frame portion 14 of the second main frame 2, and a screw-nut assembly 73 for rotatably connecting the first connecting piece 71 and the second connecting piece 72 together. The additional connecting assembly 7 can effectively increase the stability and reliability of the connection between the first main frame 1 and the second main frame 2, thereby extending the service life of the product.

[0029] In this embodiment, a foldable support structure 8 is provided between the central frame portion 11 of the first main frame 1 and the central frame portion 11 of the second main frame (2);

[0030] When the expansion structure 8 is in the expanded state, the first main frame 1 and the second main frame 2 can be expanded;

[0031] When the expansion structure 8 is in the folded state, the first main frame 1 and the second main frame 2 can be folded.

[0032] The structure is simple, the design is reasonable and ingenious, and the stability and reliability of the connection between the first main frame 1 and the second main frame 2 can be effectively increased, thereby improving the safety of product use.

[0033] In this embodiment, the support structure 8 includes a first support rod 81 and a second support rod 82. A first connecting portion 111 is provided on the central frame portion 11 of the first main frame 1, and a second connecting portion 112 is provided on the central frame portion 11 of the second main frame 2. One end of the first support rod 81 is rotatably connected to the first connecting portion 111, and the other end is rotatably connected to one end of the second support rod 82. The other end of the second support rod 82 is rotatably connected to the second connecting portion 112. It has a simple structure and a reasonable design, which is conducive to improving the safety of product use.

[0034] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A detachable and foldable tricycle, characterized in that: The invention comprises a first main frame (1) and a second main frame (2) on both sides, wherein the front ends of the first main frame (1) and the second main frame (2) are connected together in a rotatable and foldable manner via a rotating connection mechanism (3), a front wheel group (4) is detachably provided at the bottom of the rotating connection mechanism (3), a rear wheel group (5) is detachably provided at the bottom of the rear ends of the first main frame (1) and the second main frame (2), and a handle group (6) is detachably provided at the top of the first main frame (1) and the second main frame (2).

2. A detachable and foldable tricycle according to claim 1, characterized in that: The first main frame (1) and the second main frame (2) both comprise a central frame portion (11), an upper frame portion (12), a lower frame portion (13) and a front frame portion (14), wherein the central frame portion (11) is arc-shaped, the upper frame portion (12) is detachably connected to the top of the central frame portion (11), the lower frame portion (13) is detachably connected to the bottom of the central frame portion (11), the rear end of the front frame portion (14) is detachably connected to the middle of the central frame portion (11), the handle group (6) is detachably connected to the top of the upper frame portion (12), and the rear wheel group (5) is detachably connected to the bottom of the lower frame portion (13).

3. A detachable and foldable tricycle according to claim 2, characterized in that: The rotating connection mechanism (3) is connected between the front end of the front frame portion (14) of the first main frame (1) and the front end of the front frame portion (14) of the second main frame (2).

4. A detachable and foldable tricycle according to claim 3, characterized in that: The rotating connection mechanism (3) comprises a first connecting member (31), a second connecting member (32), a screw (33) and a nut (34); the first connecting member (31) comprises at least two and is spaced apart and arranged on the front frame portion (14) of the first main frame (1); the second connecting member (32) comprises at least two and is spaced apart and arranged on the front frame portion (14) of the second main frame (2); the first connecting member (31) and the second connecting member (32) are spaced apart and staggered in the vertical direction; one end of the screw (33) passes through the connection portion of the front wheel assembly (4), the first connecting member (31) and the second connecting member (32) in sequence from bottom to top and is then connected to the nut (34).

5. The detachable and foldable tricycle according to claim 3, characterized in that: A connecting assembly (7) is provided above the rotating connecting mechanism (3) and between the first main frame (1) and the second main frame (1), the connecting assembly (7) comprising a first connecting piece (71) provided on the front frame portion (14) of the first main frame (1), a second connecting piece (72) provided on the front frame portion (14) of the second main frame (2), and a screw-nut assembly (73) for rotatably connecting the first connecting piece (71) and the second connecting piece (72).

6. A detachable and foldable tricycle according to any one of claims 2 to 5, characterized in that: A foldable expansion structure (8) is provided between the central frame portion (11) of the first main frame (1) and the central frame portion (11) of the second main frame (2); When the expansion structure (8) is in an expanded state, the first main frame (1) and the second main frame (2) can be expanded; When the support structure (8) is in a folded state, the first main frame (1) and the second main frame (2) can be folded.

7. A detachable and foldable tricycle according to claim 6, characterized in that: The support structure (8) includes a first support rod (81) and a second support rod (82); a first connecting portion (111) is provided on the central frame portion (11) of the first main frame (1); a second connecting portion (112) is provided on the central frame portion (11) of the second main frame (2); one end of the first support rod (81) is rotatably connected to the first connecting portion (111), and the other end is rotatably connected to one end of the second support rod (82); and the other end of the second support rod (82) is rotatably connected to the second connecting portion (112).

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