KR20220104385A - Folding reverse three-wheeled vehicle - Google Patents

Abstract

The present invention relates to a foldable reverse three-wheeled moving means, which is improved be foldable in a compact volume, comprising: a handle operation unit including a handle; a first tilting body coupled to a handle frame; a second tilting body; a third tilting body; a support body including a front wheel; a footrest plate unit including a footrest plate frame and a footrest; and a pair of connecting members.

Description

Folding reverse three-wheeled vehicle

The present invention relates to a folding reverse three-wheeled moving means, and more particularly, to a folding reverse three-wheeled moving means in which portability and storage are improved by selectively folding the reverse three-wheeled moving means.

In general, the folding reverse three-wheeled transportation means refers to a mechanism for moving a passenger or loading various articles, and may include a bicycle or a scooter.

The existing tilting three-wheeled vehicle has the inconvenience of having to focus while driving, and the non-tilting three-wheeled vehicle has a risk of overturning when driving a corner. Prior art (patent application No. 10-2019-0157146) that can easily hold the center of gravity when driving and driving at low speed has been developed, but there is a problem in portability and storage due to its large volume. Therefore, the existing prior art (patent application No. 10-2019-0157146) needs to be improved to improve portability and storage.

The present invention has been devised to solve the problems of the prior art as described above, and an object of the present invention is to enable the moving means to which the prior art (application number 10-2019-0157146) is applied can be folded into a compact form. have.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems to be solved by the present invention not mentioned here are those of ordinary skill in the art to which the present invention belongs from the description below. can be clearly understood by

In order to achieve the above object, the present invention provides a handle operation unit comprising a handle frame extending vertically and a handle provided on the top of the handle frame; a first tilting body coupled to the handle frame; a second tilting body comprising a second tilting frame having one end coupled to the upper portion of the first tilting body and the other end extending rearwardly and a saddle coupled to the second tilting frame; a third tilting body comprising a third tilting frame having one end hinged to the other end of the second tilting frame and the other end extending between the lower side and the rear, and a rear wheel coupled to the other end of the third tilting frame; a support body comprising a support frame coupled to a lower portion of the handle frame or a lower portion of the first tilting body, both ends extending to both sides, and a front wheel coupled to both ends of the support frame; a footrest part having a middle portion coupled to the lower portion of the first tilting body and both ends extending back and forth and being rotatably configured to be rotatable in the vertical direction and a footrest coupled to the rear end of the footrest frame; and a pair of connecting members each having one end coupled to the support frame portion located on both sides of the handle operation unit rotation center axis and the other end being coupled to the front end of the footrest frame while being configured as a pair; After folding the third tilting body sideways, the third tilting body and the second tilting body are configured to be folded toward the front wheel. characterized.

In addition, the scaffold has one end coupled to the rear end of the footrest frame and the other end is hinged to the rear end of the footrest frame or one end of the first footrest and the other end is extended laterally so that it can be folded toward the first footrest. It is characterized in that it is composed of a second scaffolding.

In addition, a footrest coupling part protruding rearward is provided on the lower portion of the first tilting body, and the scaffold frame has a first scaffolding frame and one end coupled to the scaffold coupling part and the other end extending forward and rotatable up and down. It is coupled to the coupling part and the other end is configured to be configured to be rotatable up and down while extending rearward. is characterized by

In addition, a footrest coupling part protruding to the rear is provided on the lower portion of the first tilting body, and the scaffold frame has a first scaffolding frame coupled to the backside of the scaffolding coupling part, and one end is hinged to the rear end of the first scaffolding frame, and the other end is extended to the rear. It is composed of a second scaffolding frame that becomes, and the second scaffolding frame is configured to be rotatably upwardly and downwardly to a predetermined height and is configured to be caught by the first scaffolding frame.

In addition, the lower part of the first tilting body is provided with a footrest coupling part protruding to the rear, and the scaffold frame has a third scaffold frame with an intermediate portion coupled to the scaffold coupling part and both ends extending forward and backward, and a third scaffolding frame with one end. It is characterized in that it is extrapolated to the front end and the other end is composed of a fourth scaffolding frame extending in the direction of a vertical extension line, and the fourth scaffolding frame is configured to be rotatable upwardly and downwardly to a certain height to be caught by the third scaffolding frame. do it with

In addition, the rear side of the footrest frame is characterized in that it is configured to be spread out in both left and right sides.

In addition, a footrest coupling part protruding to the rear is provided on the lower portion of the first tilting body, and the scaffolding frame is composed of a fifth scaffolding frame and a sixth scaffolding frame, and the middle portion of the fifth scaffolding frame and the sixth scaffolding frame on both sides of the scaffolding coupling part. is coupled, and the middle portion of the fifth scaffolding frame and the sixth scaffolding frame is connected to each other and configured to move together, and the scaffolding is characterized in that it extends from the rear end of the fifth scaffolding frame and the sixth scaffolding frame to both sides.

In addition, one end is hinged on the lower portion of the first tilting body and the other end is provided with a footrest coupling part extending rearward, and the scaffold coupling part is configured to be rotatable upwardly and downwardly to a certain height while being caught by the first tilting body. It is configured not to go down, and the footrest frame is characterized in that it is coupled to the rear end of the footrest coupling unit.

In addition, when the third tilting body is folded sideways and then the second tilting body and the third tilting body are folded toward the front wheel, the rear wheel is positioned above the support frame.

In addition, when the third tilting body is folded toward the second tilting body in a plan view, the third tilting body is characterized in that it is located on the side of the footrest frame.

In addition, when the third tilting body is folded toward the second tilting body, the length from the second tilting body portion coupled to the first tilting body to the rear end of the second tilting body is from the second tilting body portion coupled to the first tilting body to the rear end of the rear wheel It is characterized in that it is configured longer than the length.

In addition, it is characterized in that the front wheel and the second tilting body are in contact with the ground when folded.

According to an embodiment of the present invention, the folding means has an effect of improving portability and storage by minimizing the volume by folding in the mobile means to which the prior art (application number 10-2019-0157146) is applied.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a side view of a folding moving means according to an embodiment of the present invention.
In Figure 2 a is a plan view of a state in which the second footrest is unfolded in an embodiment of the present invention.
2b is a rear view of n in the embodiment of the present invention.
In Figure 2 c is a plan view of the second footrest folded state in the embodiment of the present invention.
2 d is a rear view of m in the embodiment of the present invention.
Figure 3 is a side view of a folded state of the footrest in the embodiment of the present invention.
In Figure 4 a is a front view of the main part for explaining the state of the connecting member when the footrest is unfolded in the embodiment of the present invention.
In Figure 4 b is a main part front view for explaining the state of the connecting member when the footrest part is folded in the embodiment of the present invention.
5A is a side view of a state in which the third tilting body is folded toward the second tilting body in the embodiment of the present invention.
5, b is a main part side view for explaining a structure in which the third tilting body is folded toward the second tilting body in the embodiment of the present invention.
6A is a left side view when the second tilting body and the third tilting body are folded toward the handle operation unit in the embodiment of the present invention.
6, b is a right side view when the second tilting body and the third tilting body are folded toward the handle operation unit in the embodiment of the present invention.
7 is a front view of a state in which the second tilting body and the third tilting body are folded toward the handle operation unit in the embodiment of the present invention.
In FIG. 8, a to c are side views for explaining a structure in which the second tilting body is coupled to the first tilting body in an embodiment of the present invention.
In FIG. 8 d is a plan view of essential parts for explaining a structure in which the second tilting body is coupled to the first tilting body when the second tilting body is unfolded in the embodiment of the present invention.
9 is a side view of a fastener in an embodiment of the present invention.
10A and 10B are plan views of main parts according to a second embodiment of the present invention.
11 a is a side view of a folding state of the footrest part and the third tilting body in the second embodiment of the present invention.
11B is a side view when the second and third tilting bodies are folded toward the handle operation unit in the second embodiment of the present invention.
12 is a side view according to a third embodiment of the present invention.
13 is a plan view of main parts according to a third embodiment of the present invention.
14 is a side view of a folding state of the footrest part and the third tilting body in the third embodiment of the present invention.
15A is a side view according to a fourth embodiment of the present invention.
15 is a plan view of a scaffold according to a fourth embodiment of the present invention.
16 is a side view of a folding state of the footrest part and the third tilting body in the fourth embodiment of the present invention.
17A is a side view according to a fifth embodiment of the present invention.
17, b is a plan view of a scaffold according to a fifth embodiment of the present invention.
18 is a front view of a main part according to a fifth embodiment of the present invention.
19 is a side view of a folded state of the footrest in the fifth embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, in describing the components of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the elements from other elements, and the essence, order, or order of the elements are not limited by the terms. When it is described that a component is “connected”, “coupled” or “connected” to another component, the component may be directly connected or connected to the other component, but another component is between each component. It should be understood that elements may be “connected,” “coupled,” or “connected.”

1 to 9, the folding moving means according to the present invention includes a handle operation unit 10, a first tilting body 30, a second tilting body 40, a third tilting body 50, a support body ( 20), and is configured to include a footrest portion 60 and a connecting member (80).

In the embodiment of the present invention, the handle operation unit 10 is composed of a handle 11 and a handle frame 12 .

In the embodiment of the present invention, both ends of the handle 11 extend to both sides, and the portion extending to both sides is configured so that the user can ride and hold it by hand.

In the embodiment of the present invention, the handle frame 12 is composed of a first handle frame 13 and a second handle frame 14 .

In the embodiment of the present invention, one end of the first handle frame 13 is coupled to the middle portion of the handle 11 and the other end is extended downward and is configured to move forward little by little as it goes down.

In the embodiment of the present invention, the upper end of the second handle frame 14 is extrapolated to the lower end of the first handle frame 13 , the middle portion is fitted to the first tilting body 30 , and the lower end is the first tilting body 30 . ) is configured to protrude downward. The lower end of the second handle frame 14 is configured to be spread forward and backward, and a hole through the front and back is provided in the part that is opened forward and backward so that the support frame 21 to be described later can be coupled thereto.

Referring to FIG. 9 , a tightening part 15 is provided at the upper end of the second handle frame 14 .

The tightening part 15 is configured the same as that coupled to a general bicycle handlebar or a bicycle saddle, as shown in FIG. 9 , so a description of the tightening part 15 will be omitted.

As described above, the tightening part 15 is provided to move the first handle frame 13 upward or downward and fastening the upper end of the second handle frame 14 with the tightening part 15 to fix the first handle frame 13 . configured to do so.

In the embodiment of the present invention, the support body 20 is composed of a support frame 21 and a front wheel 22 , and when the handle operation unit 10 is rotated left and right, it is configured to rotate like the handle operation unit 10 .

In the embodiment of the present invention, the support frame 21 is provided with a hole through the front and back in the middle portion. Insert the hole in the support frame 21 between the cracks at the bottom of the second handle frame 14, and then insert a pin into the hole in the second handle frame 14 and the hole in the support frame 21 to support the bottom of the second handle frame 14 The frame 21 is coupled. Both ends of the support frame 21 are configured to be rotatable in the vertical direction while extending to both sides.

A pair of coupling portions 23 and a hook portion 24 are provided on the support frame 21 .

The coupling part 23 protrudes slightly upward from the support frame 21 located on both sides of the handle operation part 10 on both sides of the central axis of rotation, and holes through the front and back are provided in the protruding part. And the length from both coupling parts 23 to the handle operation part 10 to the central axis of rotation is configured to be the same.

The hook part 24 protrudes slightly downward from the support frame 21 located between the both coupling parts 23, and the protruding lower part is configured to open back and forth so that the connecting member 70 can be hung on the gapped part. do.

The position where the hook part 24 is coupled is a position where the footrest part 60 does not go down when the rear part of the footrest part 60 to be described later is folded upward and then the connecting member 70 is hung on the lower part of the hanger part 24. composed of locations.

In the embodiment of the present invention, the front wheel 22 is extrapolatedly coupled to both ends of the support frame 21 and configured to be rotatable.

In the embodiment of the present invention, the first tilting body 30 is extrapolated to the second handle frame 14 . That is, the middle portion of the second handle frame 14 is fitted to the first tilting body 30 , and the upper and lower ends of the second handle frame 14 are configured to protrude upward and downward from the first tilting body 30 .

The first tilting body 30 is provided with a connection part 31 and a footrest coupling part 32 .

Referring to FIG. 8 , the connecting part 31 includes a protrusion 33 , an extrapolated part 34 , and a detachable part 37 .

The protrusion 33 is configured to protrude slightly backward from the upper portion of the first tilting body 30 .

The extrapolated part 34 protrudes slightly from the rear end of the protrusion 33 to both sides, then is bent at 90 degrees to extend a little to the rear, and a hole (hereinafter referred to as the first hole 35) penetrated left and right in both parts extending rearward. ) are provided for each. In addition, holes (hereinafter, referred to as second holes 36) through the left and right are provided in the portion positioned vertically above the first hole 35, and the shape of the second hole 36 is formed to be elongated vertically.

The detachable part 37 is configured in a cylindrical shape with an intermediate portion and the other end. And by fitting the middle portion and the other end to the second hole (36) is configured to be movable in the vertical direction along the second hole (36). One end of the detachable part 37 is configured to protrude to the side of the extrapolated part 34 so as to be able to move the detachable part 37 in the vertical direction by holding one end.

One end of the footrest coupling part 32 is fixedly coupled to the lower portion of the first tilting body 30 and the other end is slightly extended to the rear. And a shaft protruding laterally is provided in any one of the left and right parts of the other end, and the shaft is configured to be extrapolatedly coupled to a footrest part 60 to be described later.

In the embodiment of the present invention, the second tilting body 40 includes a second tilting frame 41 and a saddle portion 42 .

In the embodiment of the present invention, one end of the second tilting frame 41 is coupled to the connection part 31 and the other end is extended rearwardly and is gradually directed upward toward the rear.

The insertion part 43 is provided in the second tilting frame 41 .

Referring to FIG. 8 , the insertion part 43 protrudes slightly forward from the front end of the second tilting frame 41 , and holes (hereinafter referred to as the third hole 45 ) through the left and right are provided in the protruding part. After inserting the inserting part 43 into the extrapolated part 34 , pins are inserted into the first and third holes 35 and 45 to couple the inserting part 43 to the extrapolated part 34 . In addition, the second tilting body 40 is configured to be rotatably downwardly rotatable with the pin as a central axis, so that the second tilting body 40 is rotated downward to be folded toward the handle operation unit 10 .

When the second tilting body 40 and the third tilting body 50 are unfolded and folded, the third hole 45 of the insertion part 43 is located vertically above the third hole 45 from above. A groove (hereinafter referred to as a concave groove 44) is provided.

The concave groove 44 is configured so that both sides are open and the front and rear widths are slightly narrower as it goes downward from the entrance. The concave groove 44 is configured to be in close contact with the front and rear portions.

When the detachable part 37 is moved downward, the central portion of the detachable part 37 is inserted into the concave groove 44, and when the detachable part 37 is moved upward, the detachable part 37 is separated from the concave groove 44, The second tilting body 40 is configured to be folded or unfolded.

That is, when the second tilting body 40 is unfolded or folded, the second tilting body 40 is fixed to the first tilting body 30 by inserting the detachable part 37 into the concave groove 44, and the second tilting body 40 ) is configured to fold or unfold the second tilting body 40 after separating the detachable part 37 from the concave groove 44 when folding or unfolding upward toward the front wheel 22 .

The other end of the second tilting frame 41 is configured to extend rearward and then be bent at a site close to the other end to extend a little further between the lower side and the rear.

In the embodiment of the present invention, the saddle part 42 is composed of a saddle frame 46 and a saddle 47 .

In the embodiment of the present invention, one end of the saddle frame 46 is fixedly coupled to the rear of the second tilting frame 41 and the other end extends upward.

In the embodiment of the present invention, the saddle 47 has the same shape as a conventional electric scooter saddle and is fixedly coupled to the upper end of the saddle frame 46 .

The length from the first hole 35 to the rear end of the saddle 42 is the same as or similar to the length from the first hole 35 to the front wheel 22 in contact with the ground, so that the third tilting body 50 is second tilted. When the second tilting body 40 and the third tilting body 50 are folded toward the first tilting body 30 after folding toward the body 40, the front wheel 22 and the rear end of the saddle 42 are in contact with the ground and The handle operation unit 10 is configured to stand upright.

In the embodiment of the present invention, the third tilting body 50 includes a third tilting frame 51 and a rear wheel 52 .

In the embodiment of the present invention, one end of the third tilting frame 51 is hinged to the other end of the second tilting frame 41, the other end is extended between the lower and rear sides, and the portion from the middle portion to the other end is configured to be left and right. It is configured so that the rear wheel can be combined. And the other end is configured to be foldable to the side of the second tilting frame (41).

The structure in which one end of the third tilting frame 51 and the other end of the second tilting frame 41 are hinged is the same as the structure in which a general folding bicycle is folded sideways as shown in FIG. 2 The description related to the folding structure toward the tilting body 40 will be omitted.

As described above, the third tilting body 50 is configured to be foldable to the side of the second tilting body 40, the third tilting body 50 is folded toward the second tilting body 40, and then the second tilting body 40 and the third tilting body 50 is configured so that the rear wheel 52 is not caught on the handle operation unit 10 when the front wheel 22 is folded.

In addition, when the third tilting body 50 is folded to the side of the second tilting body 40, the center portion of the rear wheel 52 is positioned slightly below the second tilting frame 41, so that the third tilting body 50 is folded toward the second tilting body 40, and then the third tilting body 50 and the second tilting body 40 are folded toward the front wheel 22 so that the center of the rear wheel 52 moves to the side of the handle control unit 10. is composed

In addition, when the third tilting body 50 is folded toward the second tilting body 40 , the front portion of the rear wheel 52 is configured to be positioned at a position similar to the front end of the second tilting body 40 .

In addition, the third tilting body 50 is configured to be folded to the opposite side of the footrest frame 61, which will be described later, so that the third tilting body 50 is folded toward the second tilting body 40, and then the third tilting body 50 and the third tilting body 50 are folded. 2 When the tilting body 40 is folded toward the front wheel 22 , the rear wheel 52 is configured not to be caught on the footrest unit 60 .

In addition, when the third tilting body 50 is folded toward the second tilting body 40, the rear end of the saddle 42 is configured to be positioned behind the rear wheel 52, and from the rear end of the saddle 42 to the rear wheel 52 The length is configured to be longer than the radius of the front wheel 22, the third tilting body 50 is folded toward the second tilting body 40, and then the third tilting body 50 and the second tilting body 40 are attached to the handle control unit (10). When folded to the side, the rear wheel 52 is configured to be positioned above the support frame 21 .

In the embodiment of the present invention, the rear wheel 52 is coupled between the rear end of the third tilting frame 51 . In more detail, the rear wheel 52 is coupled to the rear end of the third tilting frame 51 by the central axis 53 and is configured to be rotatable. Here, the rear wheel 52 may be provided with an electric motor supplied with power from a battery instead of being driven by manpower.

In the embodiment of the present invention, the scaffold unit 60 is composed of a scaffold frame 61 and a scaffold 62 .

In the embodiment of the present invention, the footrest frame 61 is provided with a hole through the left and right in the middle portion. The hole portion is extrapolated to the shaft provided in the footrest coupling portion 32, the other end is extended to the rear, and one end is extended to the front.

One end of the scaffold frame 61 is extended to a vertical extension line (P) to be described later when viewed from the side, and then is bent at 90 degrees to extend to a vertical extension line (P) when viewed from the front. In addition, a groove is provided in the part located on the vertical extension line P among the part of the footrest frame 61 so that the connection member 70 to be described later can be coupled thereto.

The vertical extension line P is an imaginary straight line vertically extending upward from the center of rotation of the support body 20 when the handle operation part 10 and the support body 20 are rotated left and right.

The part from the other end of the scaffold frame 61 to the bent part is configured to be located on the side of the first tilting body 30 when viewed from the front. ) so as not to be caught in

Referring to FIG. 2 , in the embodiment of the present invention, the scaffold 62 includes a first scaffold 63 and a second scaffold 64 .

In the embodiment of the present invention, one end of the first scaffold 63 is coupled to the other end of the scaffold frame 61 and the other end extends in a lateral direction opposite to the second tilting frame 41 . The laterally extended portion is configured in a round bar shape so that the occupant can put their feet on it.

In an embodiment of the present invention, the second scaffold 64 has one end hinge-coupled to the other end of the scaffold frame 61 and the other end is configured in the form of a rod extending opposite to the first scaffold 63 . And when the other end is rotated upward to be foldable toward the first scaffolding 63, and the other end is lowered downward and unfolded in a horizontal state, one end is configured to go down while being caught by the scaffolding frame 61.

When viewed from above, the length from the second tilting frame 41 to the other end of the second footrest 64 and the length from the second tilting frame 41 to the other end of the first footrest 63 are configured to be the same.

When the third tilting body 50 is folded toward the second tilting body 40, the second scaffold 64 is attached to the first scaffold 63 to prevent the second scaffold 64 from being caught on the third tilting body 50. After folding to the side, the footrest part 60 is folded upward.

In order to prevent the footrest 62 from being caught on the third tilting body 50 when the third tilting body 50 is folded toward the second tilting body 40, the footrest unit 60 is provided in second to fifth embodiments to be described later. It may be configured like an embodiment.

The length from the footrest unit 60 coupled to the footrest coupling unit 32 to the front end of the footrest unit 60 is greater than the length from the footrest unit 60 coupled to the footrest coupling unit 32 to the rear end of the footrest unit 60 made up of short

In addition, the scaffold frame 61 is configured to be slightly upwardly directed from the rear end to the front end, and extends in a straight line from the rear end to the part coupled to the scaffold coupling part 32, and then slightly upward from the part coupled to the scaffold coupling part 32. It is configured to be bent and extended forward so that when the footrest unit 60 is folded upward, the front portion of the footrest unit 60 is not caught on the support frame 21 .

In an embodiment of the present invention, the connecting member 80 is configured as a pair to connect the front end of the footrest frame 61 to the support frame 21 .

The description related to the configuration in which the front end of the scaffold frame 61 and the support frame 21 are connected by the connecting member 80 is described in detail in the prior art (Patent Application No. 10-2019-0157146), so detailed description is omitted here. and a brief description of the connected structure.

One end of the connecting member 80 is coupled to both coupling portions 23 , respectively, and the other end is coupled to a groove provided at the front end of the footrest frame 61 , respectively. And both connecting members 80 are configured to have the same length, so that tensile force is applied to both connecting members 80 in a state in which the handle manipulation unit 10 and the footrest unit 60 are not inclined laterally.

The part of the connecting member 80 coupled to the footrest frame 61 is configured to be located on the vertical extension line P, so that when the handle operation unit 10 is rotated left and right, the connecting member 80 located on the vertical extension line P. It is made up twisted.

The connecting member 80 may be composed of a variable member whose shape is changed without increasing the length when an external force is applied.

Referring to FIG. 4 , when the footrest part 60 is opened, the connecting member 80 is configured not to be caught on the hanger 24 , and when the footrest part 60 is folded, the connecting member 80 is attached to the hanger 24 . It is configured so that the other end of the footrest part 60 does not go down by walking.

When describing the process of folding the moving means, first, as shown in FIG. 2, the second scaffold 64 is folded toward the first scaffold 63, and then the rear side of the scaffold 60 is folded upward as shown in FIG. As shown in FIG. 4, the rear side of the footrest part 60 does not come down by hanging the connecting member 80 on the hook part 24. As shown in FIG. 5 , the third tilting body 50 is folded toward the second tilting body 40 . As shown in b in FIG. 8 , the detachable part 37 is separated from the concave groove 44 , and the second tilting body 40 and the third tilting body 50 are folded toward the front wheel 22 . As shown in FIG. 8 c, the detachable part 37 is inserted into the concave groove 44 to prevent the second tilting body 40 and the third tilting body 50 from being unfolded. In FIG. 9 , the first handle frame 13 is moved downward by loosening the tightening part 15 .

The volume can be reduced by folding as described above.

second embodiment

10 and 11 are a second embodiment of the present invention, in the second embodiment, the scaffold part 60 is configured differently from the first embodiment, and the other configuration is the same as the first embodiment, so that the scaffold part 60 is only explain

In the second embodiment of the present invention, the scaffold frame 61 is composed of a first scaffold frame 65 and a second scaffold frame 66 .

Referring to a in FIG. 10 , the first scaffold frame 65 is provided with left and right through-holes at one end, and the hole portion is extrapolatedly coupled to the scaffold coupling part 32 . And the other end is extended forward, and the portion extending forward is configured to be rotatable in the vertical direction while being configured in the same way as in the first embodiment.

In the second embodiment of the present invention, the second scaffolding frame 66 slightly protrudes from the front end to both left and right, and then is bent at 90 degrees to extend forward, respectively, and holes are provided on both sides extending forward, respectively. . The second scaffold frame 66 hole portion is extrapolated to the scaffold coupling part 32 in a form positioned on both sides of the rear end of the first scaffold frame 65, and the rear end is configured to be rotatable in the vertical direction while extending rearward. And when viewed from the side, the rear end of the second scaffolding frame 66 is rotated downward so that the first scaffolding frame 65 and the second scaffolding frame 66 are in a straight shape, the second scaffolding frame 66 is the first scaffolding frame (65) It is configured to be hung on the rear end. When the front end of the first scaffolding frame 65 is rotated downward in a state in which the second scaffolding frame 66 is caught on the first scaffolding frame 65, the second scaffolding frame 66 is rotated upward.

The rear part of the second scaffolding frame 66 is configured to be spread apart in both left and right sides so that when the second scaffolding frame 66 is folded upward, the first tilting body 30 is configured to be sandwiched between the second scaffolding frames 66 that are opened .

In addition, when the second scaffolding frame 66 is folded upward, the second scaffolding frame 66 is folded up to the front of the extrapolation part 34 to fold the third tilting body 50 toward the second tilting body 40 . When the footrest 62 is configured not to be caught on the third tilting body (50).

In the second embodiment of the present invention, the footrest 62 is configured to protrude from both sides of the rear end of the second footrest frame 66 to both sides.

The first scaffolding frame 65 and the second scaffolding frame 66 may be configured as shown in a in FIG. 10 as described above or may be configured as shown in b in FIG. 10 as follows.

Referring to FIG. 10 b, the first scaffold frame 65 has a middle portion coupled to the scaffold coupling part 32 and both ends are configured to be rotatable in the vertical direction while extending forward and backward. The second scaffolding frame 66 has one end hinged to the rear end of the first scaffolding frame 65 and the other end is configured to be foldable upward while extending rearward. When viewed from the side, the second scaffolding frame 66 rotates downward to form a straight line with the first scaffolding frame 65 so that the front end of the second scaffolding frame 66 is caught on the first scaffolding frame 65 and does not go down further. is composed

3rd embodiment

12 to 14 are a third embodiment of the present invention, in the third embodiment, the scaffold unit 60 is configured differently from the first embodiment, and the other configuration is the same as the first embodiment, so that the scaffold unit 60 is only explain

In the third embodiment of the present invention, the scaffold frame 61 is composed of a third scaffold frame 67 and a fourth scaffold frame 68 .

In the third embodiment of the present invention, the third scaffold frame 67 is configured to be rotatable in the vertical direction while the middle portion is coupled to the scaffold coupling portion 32 and both ends extend forward and rearward. And the rear side of the third scaffolding frame 67 is configured to be opened to the left and right sides.

In the third embodiment of the present invention, one end of the fourth scaffold frame 68 is extrapolatedly coupled to the front end of the third scaffold frame 67 and the other end extends toward the vertical extension line (p). And the other end is configured to be rotatable upward and rotates downward so that one end and the other end are in a horizontal state while one end is caught on the third scaffolding frame 67 and does not go down further. And when the fourth scaffolding frame 68 goes down, the front part of the third scaffolding frame 67 is also configured to go down.

When the rear portion of the third scaffolding frame 67 is folded close to the handle control unit 10 , the other end portion of the fourth scaffolding frame 68 is caught by the first tilting body 30 or the second handle frame 14 . Therefore, when the third scaffolding frame 67 is folded toward the handle control unit 10, the fourth scaffolding is not caught on the other end of the fourth scaffolding frame 68 by the first tilting body 30 or the second handle frame 14. The frame 68 is configured to be foldable upward.

As described above, when the third scaffold frame 67 and the fourth scaffold frame 68 are configured and the rear part of the third scaffold frame 67 is rotated upward, the fourth scaffold frame 68 becomes the first tilting body 30 . Alternatively, when caught on the second handle frame 14, the fourth scaffold frame 68 is folded forward. Accordingly, the rear end of the third scaffolding frame 67 can be folded up to the handle operation unit 10 .

4th embodiment

15 and 16 are a fourth embodiment of the present invention, in the fourth embodiment, the footrest part 60 and the footrest coupling part 32 are configured differently from the first embodiment. Therefore, the scaffolding part 60 and the scaffolding coupling part (32) will be explained only.

In the fourth embodiment, one end of the footrest coupling unit 32 is hinged to the lower side of the first tilting body 30 and the other end extends rearward. And the rear side is configured in the same way as in the first embodiment.

The rear part of the footrest coupling part 32 is configured to be rotatable upwardly, and when it goes down to a predetermined height, the scaffold coupling part 32 is caught by the first tilting body 30 and does not go down further. And when the rear part of the footrest part 60 is folded upward, the footrest coupling part 32 is also foldable so that the rear side of the footrest part 60 can be folded close to the handle operation part 10 .

In the fourth embodiment of the present invention, the footrest frame 61 has an intermediate portion coupled to the footrest coupling portion 32 and both ends extend forward and rearward. And the portion extending forward is configured in the same way as in the first embodiment, and the rear side extending rearward is configured to be opened in both left and right sides, so that when the footrest part 60 is folded upward, the first tilting body (30) is configured to be inserted.

In the fourth embodiment of the present invention, the footrest 62 is configured to extend from both sides of the rear end of the footrest frame 61 to both sides.

5th embodiment

17 to 19 are a fifth embodiment of the present invention. In the fifth embodiment, the first tilting body 30, the support body 20, the footrest part 60 and the connecting member 80 are the same as those of the first embodiment. Since it is configured differently and the other configuration is the same as that of the first embodiment, only the first tilting body 30 , the support body 20 , the footrest part 60 and the connecting member 80 will be described.

In the fifth embodiment of the present invention, the first tilting body 30 includes a first frame 38 and a second frame 39 .

In the fifth embodiment of the present invention, the first frame 38 is extrapolated to the second handle frame 14 . That is, the second handle frame 14 is fitted to the first frame 38 so that the upper and lower ends of the second handle frame 14 slightly protrude upward and downward of the first frame 38 .

In the fifth embodiment of the present invention, one end of the second frame 39 is fixedly coupled to the lower rear portion of the first frame 38 and the other end is slightly extended downward.

In the fifth embodiment of the present invention, the connecting portion 31 is configured on the first frame 38 in the same manner as in the first embodiment.

In the fifth embodiment of the present invention, one end of the footrest coupling part 32 is coupled to the upper portion of the second frame 39 and the other end is slightly extended to the rear. And the other end is provided with a hole through the left and right so that the footrest unit 60 can be coupled.

In the fifth embodiment of the present invention, the support body 20 includes a first support frame 25 , a second support frame 26 , and a wheel coupling part 27 .

In the fifth embodiment of the present invention, the middle portion of the first support frame 25 is coupled to the middle portion of the second frame 39 and both ends are configured to be rotatable in the vertical direction while extending in both sides.

A coupling portion 23 is provided at a portion located on both sides of the second frame 39 among the portions of the first support frame 25 .

In the fifth embodiment of the present invention, the middle portion of the second support frame 26 is coupled to the lower end of the second frame 39 located below the first support frame 25, and both ends are extended in both sides in the vertical direction. It is configured to be rotatable.

In the fifth embodiment of the present invention, the wheel coupling portion 27 is configured such that both end portions of the first support frame 25 and both end portions of the second support frame 26 are connected to each other.

When the second frame 39 is inclined to the left and right, the wheel coupling portion 27 is configured to be inclined at the same angle as the second frame 39, and the first support frame 25 and the second support frame 26 are The second frame 39 is configured to be maintained in a horizontal state by rotating in the opposite direction to the inclination.

In the fifth embodiment of the present invention, the front wheel 22 is coupled to the outside of both wheel coupling parts 27, respectively, and when the wheel coupling part 27 is inclined, the front wheel 22 is also inclined.

As described above, the structure in which the support body 20 is coupled to the first tilting body 30 is a technology that has already been commercialized and is widely applied.

In the fifth embodiment of the present invention, the scaffold frame is composed of a fifth scaffold frame 69 and a sixth scaffold frame 70, and the fifth scaffold frame 69 and the sixth scaffold frame 70 are left and right in the middle part. A through hole is provided.

After positioning the fifth scaffold frame 69 hole portion on the left side of the other end of the scaffold coupling part 32 and the 6th scaffold frame 70 hole location on the right side of the other end of the scaffold coupling part 32, the fifth scaffold frame 69 and the sixth scaffold frame 70 and the scaffold coupling part 32 by inserting a pin to couple the fifth scaffold frame 69 and the sixth scaffold frame 70 to the scaffold coupling part 32 .

Both ends of the fifth scaffold frame 69 and the sixth scaffold frame 70 extend forward and rearward, respectively. And the fifth scaffold frame 69 and the middle part of the sixth scaffold frame 70 are connected to each other so that the fifth scaffold frame 69 and the sixth scaffold frame 70 move together.

The front ends of the fifth scaffold frame 69 and the sixth scaffold frame 70 extend vertically upwards of the second support frame 26 when viewed from the side, and the rear ends extend to the point where the foot of the occupant is located.

In the fifth embodiment of the present invention, the scaffold 62 extends from the rear end of the fifth scaffold frame 69 and the sixth scaffold frame 70 to both sides.

In the fifth embodiment of the present invention, the other end of the connecting member 80 is coupled to the front end of the fifth scaffolding frame 69 and the sixth scaffolding frame 70, respectively, and the hook portion 81 is coupled to one end.

One portion of the hook portion 81 is configured to be coupled to the connecting member 80 , and the other portion of the hook portion 81 is configured in a hook shape to be hooked on the coupling portion 23 .

When unfolding the moving means, the hook portion 81 is hung on the coupling portion 23 so that the footrest portion 60 is hooked on the first support frame 25 . And when the moving means is folded, the hook part 81 is released from the coupling part 23, and then the rear side of the footrest part 60 is rotated downward to move the third tilting body 50 toward the second tilting body 40. When folded, the footrest 62 is configured not to be caught by the third tilting body 50 .

When the moving means is folded, as in the first to fourth embodiments, the rear part of the scaffolding unit 60 is configured to be foldable upward, or as in the fifth embodiment, the rear part of the scaffolding part 60 is configured to be foldable downward as in the third embodiment. When the tilting body 50 is folded toward the second tilting body 40 , the footrest 62 is configured not to be caught on the third tilting body 50 .

The above description is merely illustrative of the technical idea of the present invention, and various modifications and variations will be possible without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention pertains.

Accordingly, the disclosed examples of the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments.

The protection scope of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

10 ; Handle control part 11: handle
12: handle frame 13: first handle frame
14: second handle frame 15: tightening part
20: support body 21: support frame
22: front wheel 23: coupling part
24: hanger 25: first support frame
26: second support frame 27: wheel coupling part
30: first tilting body 31: connection part
32: footrest coupling part 33: protrusion
34: extrapolation part 35: first hole
36: second hole 37: detachable part
38: first frame 39: second frame
40: second tilting body 41: second tilting frame
42: saddle 43: insert
44: concave groove 45: third hole
46: saddle frame 47: saddle
50: third tilting body 51: third tilting frame
52: rear wheel 53: central axis
60: footrest 61: footrest frame
62: scaffold 63: first scaffold
64: second scaffold 65: first scaffold frame
66: second scaffolding frame 67: third scaffolding frame
68: 4th scaffolding frame 69: 5th scaffolding frame
70: sixth scaffolding frame 80: connecting member
81: hook part P: vertical extension line

Claims (12)

a handle manipulator comprising a handle frame extending vertically and a handle provided on an upper end of the handle frame;
a first tilting body coupled to the handle frame;
a second tilting body comprising a second tilting frame having one end coupled to the upper portion of the first tilting body and the other end extending rearwardly and a saddle coupled to the second tilting frame;
a third tilting body including a third tilting frame having one end hinged to the other end of the second tilting frame and the other end extending between the lower and rear sides, and a rear wheel coupled to the other end of the third tilting frame;
a support body comprising a support frame coupled to a lower end of the handle frame or a lower portion of the first tilting body, both ends extending to both sides, and front wheels coupled to both ends of the support frame;
a footrest part having a middle portion coupled to the lower portion of the first tilting body and both ends extending back and forth and rotatably configured to be rotatable in an up and down direction; and
Consisting of a pair, one end is respectively coupled to the support frame portion located on both sides of the handle manipulation unit rotation center axis, and the other end is a connecting member coupled to the front end of the scaffold frame, respectively;
The footrest part is folded upward or downward, the third tilting body is folded sideways, and then the third tilting body and the second tilting body are folded toward the front wheel,
Folding moving means, characterized in that when the third tilting body and the second tilting body are folded toward the front wheel, the rear wheel is located on the side of the handle frame. The method of claim 1,
The scaffold has one end coupled to the rear end of the footrest frame and the other end is hinged to the rear end of the footrest frame or one end of the first footrest and the other end is extended to the side, and the other end is extended to the side to fold toward the first footrest. Foldable moving means, characterized in that it is composed of a second footrest that is configured to be able to. The method of claim 1,
A footrest coupling part protruding backward is provided in the lower part of the first tilting body,
The scaffold frame has a first scaffold frame having one end coupled to the scaffold coupling part and the other end extending forward and rotatable up and down, and one end coupled to the scaffold coupling part and the other end extending backwards and rotatable up and down. Consists of a second scaffolding frame,
Folding moving means, characterized in that when the second scaffolding frame goes down to a certain height, one end portion of the second scaffolding frame is configured to be caught by the first scaffolding frame. The method of claim 1,
A footrest coupling part protruding backward is provided on the lower part of the first tilting body,
The scaffold frame is composed of a first scaffold frame having a rear portion coupled to the scaffold coupling portion, and a second scaffold frame having one end hinged to the rear end of the first scaffold frame and the other end extending rearward,
The second scaffolding frame is configured to be rotatable upwardly and downwardly to a predetermined height, and the folding moving means, characterized in that it is configured to be caught by the first scaffolding frame. The method of claim 1,
A footrest coupling part protruding backward is provided in the lower part of the first tilting body,
The scaffold frame has a third scaffold frame having an intermediate portion coupled to the scaffold coupling part, both ends extending forward and backward, and a fourth scaffold having one end extrapolatedly coupled to the front end of the third scaffold frame and the other end extending toward the vertical extension line. made up of frames,
Folding moving means, characterized in that the fourth scaffold frame is configured to be rotatable upwardly and downwardly to a predetermined height to be caught by the third scaffolding frame. The method of claim 1,
Folding moving means, characterized in that the rear side of the scaffolding frame is configured to be opened to the left and right sides. The method of claim 1,
A footrest coupling part protruding backward is provided in the lower part of the first tilting body,
The scaffolding frame is composed of a fifth scaffolding frame and a sixth scaffolding frame,
The fifth scaffold frame and the sixth scaffold frame intermediate portion are coupled to both sides of the scaffold coupling portion, and the fifth scaffold frame and the sixth scaffold frame are configured to move together by connecting the intermediate portions to each other,
The scaffold is a folding moving means, characterized in that extending to both sides from the rear end of the fifth scaffolding frame and the sixth scaffolding frame. The method of claim 1 .
A footrest coupling part having one end hinge-coupled to the lower portion of the first tilting body and the other end extending rearwardly is provided,
The footrest coupling part is configured to be rotatable upwardly and downwardly to a certain height while being caught by the first tilting body and not to go down further,
The footrest frame is a folding moving means, characterized in that coupled to the rear end of the footrest coupling unit. The method of claim 1,
When the third tilting body is folded sideways and then the second tilting body and the third tilting body are folded toward the front wheel, the rear wheel is positioned above the support frame. The method of claim 1,
When the third tilting body is folded toward the second tilting body in a plan view, the third tilting body is located on the side of the footrest frame. The method of claim 1,
When the third tilting body is folded toward the second tilting body, the length from the second tilting body portion coupled to the first tilting body to the rear end of the second tilting body is the second tilting coupled to the first tilting body Folding moving means, characterized in that it is longer than the length from the body portion to the rear end of the rear wheel. The method of claim 1,
Folding moving means, characterized in that the front wheel and the second tilting body come into contact with the ground when folded.

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