KR102404438B1 - Multimodal foldable moving device - Google Patents

Abstract

A multi-purpose folding movement device according to an embodiment includes: a plurality of main shafts arranged side by side and connected to each other to be bendable between adjacent shafts; a first frame rotatably connected to any one of the plurality of main shafts; a second frame rotatably connected to another main shaft adjacent to the one main shaft among the plurality of main shafts and rotatably connected to the first frame; a first joint connecting the first frame and the second frame so that an angle between the first frame and the second frame is adjusted; a first wheel shaft connected to one end of the plurality of main shafts; a first wheel rotatably connected to the first wheel shaft; a second wheel shaft connected to the other ends of the plurality of main shafts; and a second wheel rotatably connected to the second wheel shaft.

Description

MULTIMODAL FOLDABLE MOVING DEVICE

The present invention relates to a multi-purpose folding mobile device.

A variety of mobile devices are being developed. There is a need for a mobile device capable of various shape transformations. Specifically, there is a need for a mobile device with differentiated functions before and after folding.

The above-mentioned background art is possessed or acquired by the inventor in the process of deriving the disclosure of the present application, and it cannot necessarily be said to be a known technology disclosed to the general public prior to the present application.

Korean Patent Application Laid-Open No. 10-2021-0004908 discloses a folding means for moving.

The present invention is to provide a multi-purpose folding mobile device.

A multi-purpose folding movement device according to an embodiment includes: a plurality of main shafts arranged side by side and connected to each other to be bendable between adjacent shafts; a first frame rotatably connected to any one of the plurality of main shafts; a second frame rotatably connected to another main shaft adjacent to the one main shaft among the plurality of main shafts and rotatably connected to the first frame; a first joint connecting the first frame and the second frame so that an angle between the first frame and the second frame is adjusted; a first wheel shaft connected to one end of the plurality of main shafts; a first wheel rotatably connected to the first wheel shaft; a second wheel shaft connected to the other ends of the plurality of main shafts; and a second wheel rotatably connected to the second wheel shaft.

The plurality of main shafts may include: a first main shaft connected to the first wheel shaft and rotatably supporting the first frame; a second main shaft connected to the first main shaft, provided opposite to the first wheel shaft, and rotatably supporting the second frame; a third main shaft connected to the second main shaft; and a fourth main shaft connected to the third main shaft and connected to the second wheel shaft.

The multi-purpose folding movement device may include: a third frame rotatably connected to the third main shaft and rotatably connected to the second frame; a second joint connecting the second frame and the third frame so that an angle between the second frame and the third frame is adjusted; a fourth frame rotatably connected to the fourth main shaft and rotatably connected to the third frame; and a third joint connecting the third frame and the fourth frame so that an angle between the third frame and the fourth frame is adjusted.

A bending direction of the second main shaft with respect to the first main shaft may be opposite to a bending direction of the third main shaft with respect to the second main shaft.

A bending direction of the third main shaft with respect to the second main shaft may be opposite to a bending direction of the fourth main shaft with respect to the third main shaft.

a first detent connected to the first joint for fixing an angle between the first frame and the second frame; a second detent connected to the second joint and configured to fix an angle between the second frame and the third frame; and a third detent connected to the third joint and configured to fix an angle between the third frame and the fourth frame.

The first frame may be provided in pairs on opposite sides of the first main shaft.

While the angle between the first main shaft and the second main shaft decreases, the angle between the pair of first frames may decrease.

The first wheel shaft may be rotatably connected to the first main shaft in a coaxial state, and the second wheel shaft may be rotatably connected to the fourth main shaft in a coaxial state.

The multi-purpose folding movement device may further include a handle detachably connected to the first main shaft and provided on the opposite side of the first wheel shaft.

The angle of the handle with respect to the first main shaft is adjustable.

The multi-purpose folding movement device may further include a saddle detachably connected to the third main shaft.

A multi-purpose folding movement device according to an embodiment includes: a first main shaft, a second main shaft, a third main shaft, and a fourth main shaft arranged side by side and connected to each other to be bendable between adjacent shafts; a first frame rotatably connected to the first main shaft; a second frame rotatably connected to the second main shaft and rotatably connected to the first frame; a first joint connecting the first frame and the second frame so that an angle between the first frame and the second frame is adjusted; a third frame rotatably connected to the third main shaft and rotatably connected to the second frame; a second joint connecting the second frame and the third frame so that an angle between the second frame and the third frame is adjusted; a fourth frame rotatably connected to the fourth main shaft and rotatably connected to the third frame; and a third joint connecting the third frame and the fourth frame so that an angle between the third frame and the fourth frame is adjusted.

The multi-purpose folding movement device may include: a first wheel shaft connected to the first main shaft; a first wheel rotatably connected to the first wheel shaft; a second wheel shaft connected to the second main shaft; and a second wheel rotatably connected to the second wheel shaft.

The first wheel shaft may be rotatably connected to the first main shaft in a coaxial state, and the second wheel shaft may be rotatably connected to the fourth main shaft in a coaxial state.

A bending direction of the second main shaft with respect to the first main shaft may be opposite to a bending direction of the third main shaft with respect to the second main shaft.

A bending direction of the third main shaft with respect to the second main shaft may be opposite to a bending direction of the fourth main shaft with respect to the third main shaft.

The multi-purpose folding moving device may further include a plurality of detents for fixing an angle between adjacent two frames among the first frame, the second frame, the third frame, and the fourth frame.

While the angle between the first main shaft and the second main shaft decreases, the angle between the pair of first frames may decrease.

The multi-purpose folding movement device may include: a handle detachably connected to the first main shaft and provided on the opposite side of the first wheel shaft; and a saddle detachably connected to the third main shaft.

The multi-purpose foldable mobile device according to an embodiment may be utilized by changing its shape to a multi-purpose according to a situation. Specifically, the multi-purpose folding mobile device can be used as an electric scooter that is generally boarded in a folded state, and becomes a large area when unfolded flat, and can be used as a carrier to load and move bulky objects, or leisure activities such as parks or near rivers For activities or picnics, it can be a portable seat on its own, without the need to find a separate mat or bench.

1 is a perspective view illustrating a state in which a multi-purpose folding mobile device according to an embodiment is in an unfolded state.
2 is a perspective view illustrating a state in which a handle is mounted in an unfolded state of the multi-purpose foldable mobile device according to an embodiment.
3 is a perspective view illustrating a state in which the multi-purpose foldable mobile device according to an embodiment is in a seated state.
4 is an exploded perspective view of a multi-purpose foldable mobile device according to an embodiment.
5 is a perspective view of a multi-purpose foldable mobile device according to an embodiment.

Specific structural or functional descriptions of the embodiments are disclosed for the purpose of illustration only, and may be changed and implemented in various forms. Therefore, the actual implementation form is not limited only to the disclosed specific embodiments, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit described in the embodiments.

Although terms such as first or second may be used to describe various elements, these terms should be interpreted only for the purpose of distinguishing one element from another. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected or connected to the other component, but it should be understood that another component may exist in between.

The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate that the described feature, number, step, operation, component, part, or combination thereof exists, and includes one or more other features or numbers, It should be understood that the possibility of the presence or addition of steps, operations, components, parts or combinations thereof is not precluded in advance.

A component included in one embodiment and a component including a common function will be described using the same name in another embodiment. Unless otherwise stated, descriptions described in one embodiment may be applied to other embodiments as well, and detailed descriptions within the overlapping range will be omitted.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. In the description with reference to the accompanying drawings, the same components are assigned the same reference numerals regardless of the reference numerals, and overlapping descriptions thereof will be omitted.

1 is a perspective view illustrating a state in which a multi-purpose folding mobile device according to an embodiment is in an unfolded state. 2 is a perspective view illustrating a state in which a handle is mounted in an unfolded state of the multi-purpose foldable mobile device according to an embodiment. 3 is a perspective view illustrating a state in which the multi-purpose foldable mobile device according to an embodiment is in a seated state.

4 is an exploded perspective view of a multi-purpose foldable mobile device according to an embodiment. 5 is a perspective view of a multi-purpose foldable mobile device according to an embodiment.

1 to 5 , the multi-purpose foldable mobile device 100 can be utilized as a transportation means for effectively transporting bulky cargo in an unfolded state. The multi-purpose folding mobile device 100, in the unfolded state, can be used as a seat for leisure and outdoor hobbies. The multi-purpose folding mobile device 100 can be used as a general scooter design in a folded state. The multi-purpose folding mobile device 100 has different functions according to the state before and after the folding.

Hereinafter, with reference to FIGS. 1 to 3 , a state in which the multi-purpose foldable mobile device 100 is utilized in a folded state will be described, and with reference to FIGS. 4 and 5 , the multi-purpose foldable mobile device 100 is utilized in an unfolded state. Let me explain what it looks like.

1 to 3, the multi-purpose folding movement device 100, a plurality of main shafts (S1, S2, S3, S4), a plurality of frames (11, 12, 13, 14, 15, 16, 17, 18), a plurality of joints (J1, J2, J3, J4, J5, J6), a first wheel shaft 191, a first wheel 192, a second wheel shaft 193, a second wheel 194, It may include a plurality of detents (91, 92, 93, 94, 95, 96) and a handle (81).

The plurality of main shafts S1 , S2 , S3 , and S4 may be disposed in parallel with each other, and adjacent shafts may be connected to each other to be bendable. The plurality of main shafts S1 , S2 , S3 , and S4 may include a first main shaft S1 , a second main shaft S2 , a third main shaft S3 , and a fourth main shaft S4 . . The first main shaft S1 and the second main shaft S2 are bendably connected to each other, the second main shaft S2 and the third main shaft S3 are bendably connected to each other, and the third main shaft (S3) and the fourth main shaft (S4) may be connected to each other to be bendable.

A bending direction of the second main shaft S2 with respect to the first main shaft S1 may be opposite to a bending direction of the third main shaft S3 with respect to the second main shaft S2. For example, referring to FIG. 4 , the second main shaft S2 may be bent counterclockwise with respect to the first main shaft S1 , and the third main shaft S3 is the second main shaft S2 . ) can be bent in a clockwise direction.

Similarly, the bending direction of the third main shaft S3 with respect to the second main shaft S2 may be opposite to the bending direction of the fourth main shaft S4 with respect to the third main shaft S3. For example, referring to FIG. 4 , the fourth main shaft S4 may be bent counterclockwise with respect to the third main shaft S3 .

According to such a structure, the plurality of main shafts S1 , S2 , S3 , and S4 may be provided in a line in an unfolded state, and may have a zigzag shape in a bent state.

Each of the plurality of frames 11, 12, 13, 14, 15, 16, 17, and 18 may be rotatably connected to any one of the plurality of main shafts S1, S2, S3, and S4. A plurality of frames (11, 12, 13, 14, 15, 16, 17, 18), a pair of first frames (11, 15) rotatably connected to the first main shaft (S1), and the second A pair of second frames (12, 16) rotatably connected to the main shaft (S2), and a pair of third frames (13, 17) rotatably connected to the third main shaft (S3); It may include a pair of fourth frames 14 and 18 rotatably connected to the fourth main shaft S4.

Each of the plurality of frames 11 , 12 , 13 , 14 , 15 , 16 , 17 and 18 may be rotatably connected to an adjacent frame. For example, the second frames 12 and 16 may be rotatably connected to the first frames 11 and 15 and the third main frames 13 and 17 .

Each of the plurality of joints J1, J2, J3, J4, J5, and J6 may connect the two frames so that the angle between the two frames adjacent to each other is adjusted along the longitudinal direction of the plurality of main shafts. For example, the plurality of joints (J1, J2, J3, J4, J5, J6) includes a first joint (J1, J4), a second joint (J2, J5), and a third joint (J3, J6) can do.

The first joints J1 and J4 may connect two frames adjacent to each other in the longitudinal direction of the plurality of main shafts among the first frames 11 and 15 and the second frames 12 and 16 . The second joints J2 and J5 may connect two frames adjacent to each other in the longitudinal direction of the plurality of main shafts among the second frames 12 and 16 and the third frames 13 and 17 . The third joints J3 and J6 may connect two frames adjacent to each other in the longitudinal direction of the plurality of main shafts among the third frames 13 and 17 and the fourth frames 14 and 18 .

The first wheel shaft 191 may be connected to one end of the plurality of main shafts. For example, the first wheel shaft 191 may be rotatably connected to the first main shaft S1 . The first wheel shaft 191 may be rotatably connected to the first main shaft in a coaxial state.

The first wheel 192 may be rotatably connected to the first wheel shaft 191 .

The second wheel shaft 193 may be connected to the other ends of the plurality of main shafts. For example, the second wheel shaft 193 may be rotatably connected to the fourth main shaft S4 . The second wheel shaft 193 may be rotatably connected to the fourth main shaft in a coaxial state.

The second wheel 194 may be rotatably connected to the first wheel shaft 193 .

When the first wheel 192 and the second wheel 194 are formed at an angle perpendicular to the plurality of frames, they may function as wheels. The user may utilize the multi-purpose foldable mobile device 100 as a transport means. When the first wheel 192 and the second wheel 194 are formed at an angle perpendicular to the plurality of frames, the first wheel shaft 191 and the second wheel shaft 193 together with the first wheel shaft 193 can be used as a seat means. have.

Each of the plurality of detents 91 , 92 , 93 , 94 , 95 and 96 may fix an angle between two adjacent frames. Each of the plurality of detents 91 , 92 , 93 , 94 , 95 and 96 may physically restrict movement between two frames. A plurality of detents (91, 92, 93, 94, 95, 96) is a first detent (91, for fixing the angle between the first frame (11, 15) and the second frame (12, 16) 94, second detents 92, 95 for fixing the angle between the second frame 12, 16 and the third frame 13, 17, the third frame 13, 16 and the fourth It may include a third detent (93, 95) for fixing the angle between the frame (14, 17).

The plurality of frames may be provided in pairs on opposite sides of the main shaft. While the angle between the first main shaft S1 and the second main shaft S2 decreases, the angle between the pair of first frames 11 and 15 may decrease.

The handle 81 is detachable from the first main shaft S1 and may be provided on the opposite side of the first wheel shaft 191 with respect to the first main shaft S1 . The angle of the handle 81 with respect to the first main shaft S1 is adjustable. For example, as in FIG. 2 , the handle 81 may be provided in a state at right angles to the first main shaft S1 when the plurality of main shafts are in an unfolded state. According to this structure, the user can utilize the multi-purpose foldable mobile device 100 as a moving means for using it in an upright state.

4 and 5 , the multi-purpose foldable mobile device 100 may further include a saddle detachable from the third shaft. The handle 81 may be connected in parallel with the first main shaft S1. Referring to FIG. 4 , the handle 81 may be parallel to the first main shaft S1 and the first wheel shaft 191 . According to this structure, the user can utilize the multi-purpose foldable mobile device 100 as a moving means in a seated state.

As described above, although the embodiments have been described with reference to the limited drawings, those of ordinary skill in the art may apply various technical modifications and variations based thereon. For example, the described techniques are performed in an order different from the described method, and/or the described components of the system, structure, apparatus, circuit, etc. are combined or combined in a different form than the described method, or other components Or substituted or substituted by equivalents may achieve an appropriate result.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (20)

a plurality of main shafts arranged in parallel with each other and connected to each other in a bendable manner;
a first frame rotatably connected to any one of the plurality of main shafts;
a second frame rotatably connected to another main shaft adjacent to the one main shaft among the plurality of main shafts and rotatably connected to the first frame;
a first joint connecting the first frame and the second frame so that an angle between the first frame and the second frame is adjusted;
a first wheel shaft connected to one end of the plurality of main shafts;
a first wheel rotatably connected to the first wheel shaft;
a second wheel shaft connected to the other ends of the plurality of main shafts; and
A multipurpose folding movement device including a second wheel rotatably connected to the second wheel shaft.
The method of claim 1,
The plurality of main shafts,
a first main shaft connected to the first wheel shaft and rotatably supporting the first frame;
a second main shaft connected to the first main shaft, provided opposite to the first wheel shaft, and rotatably supporting the second frame;
a third main shaft connected to the second main shaft; and
and a fourth main shaft connected to the third main shaft and connected to the second wheel shaft.
3. The method of claim 2,
a third frame rotatably connected to the third main shaft and rotatably connected to the second frame;
a second joint connecting the second frame and the third frame so that an angle between the second frame and the third frame is adjusted;
a fourth frame rotatably connected to the fourth main shaft and rotatably connected to the third frame; and
The multi-purpose folding movement device further comprising a third joint connecting the third frame and the fourth frame so that the angle between the third frame and the fourth frame is adjusted.
4. The method of claim 3,
A bending direction of the second main shaft with respect to the first main shaft is opposite to a bending direction of the third main shaft with respect to the second main shaft.
5. The method of claim 4,
The bending direction of the third main shaft with respect to the second main shaft is opposite to the bending direction of the fourth main shaft with respect to the third main shaft.
4. The method of claim 3,
a first detent connected to the first joint for fixing an angle between the first frame and the second frame;
a second detent connected to the second joint and configured to fix an angle between the second frame and the third frame; and
The multipurpose folding movement device connected to the third joint and further comprising a third detent for fixing an angle between the third frame and the fourth frame.
3. The method of claim 2,
The first frame is a multi-purpose folding moving device provided in pairs on opposite sides of the first main shaft.
8. The method of claim 7,
While the angle between the first main shaft and the second main shaft decreases, the angle between the pair of first frames decreases.
3. The method of claim 2,
The first wheel shaft is rotatably connected in a state coaxial with the first main shaft,
The second wheel shaft is a multi-purpose folding movement device that is rotatably connected to the fourth main shaft in a state of being coaxial.
3. The method of claim 2,
The multipurpose folding movement device further comprising a handle detachably connected to the first main shaft and provided on the opposite side of the first wheel shaft.
11. The method of claim 10,
The handle is a multi-purpose folding movement device with an adjustable angle with respect to the first main shaft.
3. The method of claim 2,
Multipurpose folding movement device further comprising a saddle detachably connected to the third main shaft.
a first main shaft, a second main shaft, a third main shaft, and a fourth main shaft arranged in parallel with each other and connected to each other in a bendable manner;
a first frame rotatably connected to the first main shaft;
a second frame rotatably connected to the second main shaft and rotatably connected to the first frame;
a first joint connecting the first frame and the second frame so that an angle between the first frame and the second frame is adjusted;
a third frame rotatably connected to the third main shaft and rotatably connected to the second frame;
a second joint connecting the second frame and the third frame so that an angle between the second frame and the third frame is adjusted;
a fourth frame rotatably connected to the fourth main shaft and rotatably connected to the third frame; and
and a third joint connecting the third frame and the fourth frame so that the angle between the third frame and the fourth frame is adjusted.
14. The method of claim 13,
a first wheel shaft connected to the first main shaft;
a first wheel rotatably connected to the first wheel shaft;
a second wheel shaft connected to the second main shaft; and
The multipurpose folding movement device further comprising a second wheel rotatably connected to the second wheel shaft.
15. The method of claim 14,
The first wheel shaft is rotatably connected in a state coaxial with the first main shaft,
The second wheel shaft is a multi-purpose folding movement device that is rotatably connected to the fourth main shaft in a state of being coaxial.
14. The method of claim 13,
A bending direction of the second main shaft with respect to the first main shaft is opposite to a bending direction of the third main shaft with respect to the second main shaft.
17. The method of claim 16,
The bending direction of the third main shaft with respect to the second main shaft is opposite to the bending direction of the fourth main shaft with respect to the third main shaft.
14. The method of claim 13,
and a plurality of pawls for fixing an angle between adjacent two frames among the first frame, the second frame, the third frame, and the fourth frame.
14. The method of claim 13,
While the angle between the first main shaft and the second main shaft decreases, the angle between the pair of first frames decreases.
15. The method of claim 14,
a handle detachably connected to the first main shaft and provided opposite to the first wheel shaft; and
Multipurpose folding movement device further comprising a saddle detachably connected to the third main shaft.

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