KR20160136835A - Two wheeled vehicle of erect type having improved handle structure - Google Patents

Two wheeled vehicle of erect type having improved handle structure Download PDF

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Publication number
KR20160136835A
KR20160136835A KR1020150070929A KR20150070929A KR20160136835A KR 20160136835 A KR20160136835 A KR 20160136835A KR 1020150070929 A KR1020150070929 A KR 1020150070929A KR 20150070929 A KR20150070929 A KR 20150070929A KR 20160136835 A KR20160136835 A KR 20160136835A
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KR
South Korea
Prior art keywords
front wheel
handle portion
shaft
frame
mobile device
Prior art date
Application number
KR1020150070929A
Other languages
Korean (ko)
Inventor
임진욱
Original Assignee
임진욱
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 임진욱 filed Critical 임진욱
Priority to KR1020150070929A priority Critical patent/KR20160136835A/en
Publication of KR20160136835A publication Critical patent/KR20160136835A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00—Bicycles
    • B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K17/00—Cycles not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

A front wheel portion and a rear wheel portion provided so as to be opposed to the front side and the rear side; A frame connecting between the front wheel part and the rear wheel part; A footrest connected to the frame to allow a passenger to ride; And a handle portion extending from an upper side of the frame to adjust a rotating direction of the front wheel portion, wherein the handle portion is composed of an upper shaft and a lower shaft, and the upper shaft is connected to the lower shaft So as to be inclined at an angle to the front side.

Description

TECHNICAL FIELD [0001] The present invention relates to a TWO WHEELED VEHICLE OF ERECT TYPE HAVING IMPROVED HANDLE STRUCTURE,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-wheeled vehicle having an improved handle portion structure, and more particularly, to a two-wheeled vehicle including a handle portion having a structure designed such that the center of gravity of the occupant is eccentric to the front side.

BACKGROUND ART [0002] Recently, a mobile device for moving a short distance or a long distance has been widely used. Such a moving device makes it possible for the passenger to easily move by the electric power when the passenger is aboard.

1 and 2 showing an existing mobile device 10, a conventional mobile device 10 includes a front wheel portion 20 and a rear wheel portion 30 which are installed so as to face each other on the front side and the rear side, 20 and the rear wheel portion 30 and is connected to the footrest portion 40 and the footrest portion 40 on which the occupant is to ride and grips the occupant in an upright position to adjust the rotational direction of the front wheel portion 20 And a handle portion (50).

However, in the conventional mobile device 10, since the handle 50 is extended toward the rear side and the center of gravity of the occupant is eccentric to the rear side, when traveling due to driving of the front wheel 20, There is a drawback that this is not smooth. Particularly, when the existing mobile device 10 climbs up the slope road, the center of gravity of the occupant is further eccentric to the rear side, so that the front device 20 may fall off from the ground, so that the mobile device 10 may not ascend the slope .

In this specification, the present invention proposes a two-wheeled mobile device including a handle portion structured such that the center of gravity of the occupant is eccentric to the front side, in order to facilitate the running of the mobile device using the driving of the front wheel.

Embodiments of the present invention provide a two-wheeled mobile device including a handle portion of a structure designed such that the center of gravity of the occupant is eccentric to the front side.

Further, embodiments of the present invention provide a two-wheeled mobile device including a handle portion having a foldable structure for easy portability.

A front wheel portion and a rear wheel portion opposed to the front side and the rear side according to an embodiment of the present invention; A frame connecting between the front wheel part and the rear wheel part; A footrest connected to the frame to allow a passenger to ride; And a handle portion extending from an upper side of the frame to adjust a rotating direction of the front wheel portion, wherein the handle portion is composed of an upper shaft and a lower shaft, and the upper shaft is connected to the lower shaft So as to be inclined at an angle to the front side.

The handle portion may be formed so that the upper shaft is inclined by the predetermined angle toward the front side with respect to the lower shaft based on the turning radius of the handle portion generated as the front wheel portion is rotated.

The two-wheeled mobile device can be driven by driving the front wheel.

The footrest may be disposed at an angle with respect to an arbitrary straight line connecting the central axis of the front wheel and the center axis of the rear wheel so that the center of gravity of the passenger on the footrest is eccentric to the front side.

The handle portion may include a folding portion that folds the upper shaft against the lower shaft.

Embodiments of the present invention can provide a two-wheeled mobile device including a handle portion of a structure designed such that the center of gravity of the occupant is eccentric to the front side.

Therefore, the embodiments of the present invention can provide a two-wheeled mobile device capable of traveling more smoothly than a conventional mobile device including a handle portion having a structure designed to eccentrically center the center of gravity of the occupant to the rear side when traveling due to driving of the front wheel have.

In addition, embodiments of the present invention can provide a two-wheeled mobile device including a handle portion having a foldable structure for easy portability.

1 is a perspective view showing a conventional mobile device.
2 is a side view of the mobile device shown in Fig.
3 is a perspective view showing a two-wheeled mobile device according to an embodiment of the present invention.
4 is a side view showing the two-wheeled mobile device shown in Fig.
5 is an enlarged side view showing the handle portion shown in Fig.
6 is an enlarged perspective view illustrating a folding unit according to an embodiment of the present invention.
7 is an enlarged perspective view illustrating a folding process of the handle by the folding unit shown in FIG.
FIG. 8 is an enlarged perspective view of the folding unit shown in FIG. 6 viewed from different angles.
Fig. 9 is an operational state diagram for explaining the operating relationship of the folding unit shown in Fig. 6. Fig.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. In addition, the same reference numerals shown in the drawings denote the same members.

Also, terminologies used herein are terms used to properly represent preferred embodiments of the present invention, which may vary depending on the user, intent of the operator, or custom in the field to which the present invention belongs. Therefore, the definitions of these terms should be based on the contents throughout this specification.

FIG. 3 is a perspective view showing a two-wheeled mobile device according to an embodiment of the present invention, FIG. 4 is a side view showing the two- to be.

3 to 5, a two-wheeled mobile device 100 according to an embodiment of the present invention is driven by a front wheel portion 110 or a rear wheel portion 120 driven by an electric power. In particular, the two-wheeled mobile device 110 according to an embodiment of the present invention can be driven due to the driving of the front wheel part 110. [ However, the present invention is not limited thereto, and the two-wheeled mobile device 100 may be driven due to the driving of the rear wheel portion 120. [

The two-wheeled mobile device 100 includes a front wheel portion 110 and a rear wheel portion 120 that are disposed to face each other in the front side and the rear side, a frame 130 that connects the front wheel portion 110 and the rear wheel portion 120, And a handle unit 150 extending toward an upper portion of the frame 130 to adjust the rotation direction of the front wheel unit 110. The handle unit 150 includes a handle 130, Hereinafter, the frame 130 and the footstool 140 are described as separate components, but are not limited thereto and may be a single component.

The footrest portion 140 on which the occupant is to be boarded is positioned such that the center of gravity of the occupant of the footstep portion 140 is eccentric to the front side and the central axis of the front wheel portion 110 and the rear wheel portion 120 The center line of the straight line 160 may be inclined at an angle 161 with respect to an arbitrary straight line 160 extending between the central axes of the first and second lines. That is, the upper surface of the foot plate 140 can be arranged to be inclined by a certain angle 161 toward the front side.

At this time, a suspension frame 131 (which is a component included in the frame 130) connected to both the center axes of the rear wheel 120 can be hinged to the lower surface of the footrest 140.

The handle portion 150 is composed of an upper shaft 151 and a lower shaft 152 and is formed so that the upper shaft 151 is inclined at an angle 170 toward the front side with respect to the lower shaft 152.

The handle portion 150 is formed so that the upper shaft 151 is inclined at a predetermined angle 170 toward the front side with respect to the lower shaft 152. The handle portion 150 of the handle portion 150 The center of gravity of the occupant can be eccentric to the front side.

At this time, the predetermined angle 170 at which the upper shaft 151 is tilted toward the front side with respect to the lower shaft 152 is determined based on the turning radius of the handle portion 150 generated as the front wheel portion 110 is rotated Lt; / RTI > A predetermined angle 170 at which the upper shaft 151 is tilted toward the front side with respect to the lower shaft 152 is determined by a rotation radius of the handle portion 150 generated as the front wheel portion 110 is rotated left and right When the occupant grips the handle portion 150, it can be adjusted to be included in the steerable range.

In addition, the handle portion 150 may include a folding portion 153 that folds the upper shaft 151 against the lower shaft 152. A detailed description thereof will be given below.

The frame 130 includes a connecting frame 132 in which the lower shaft 152 of the handle portion 150 is rotatably housed, a fixing frame 130 connecting the upper surface of the front portion of the footrest 140 from both sides of the connecting frame 132, A first variable frame 134 connected to an end of a lower shaft 152 of the handle unit 150 and rotating the front wheel 110 according to the rotation of the lower shaft 152 of the handle unit 150, A second variable frame 135 hinged to both ends of the first variable frame 134 and fixed to the central axis of the front wheel 110, and a suspension frame 131.

The second variable frame 135 includes a vertical portion 135a formed in a rounded shape to surround the upper portion of the front wheel portion 110 and a second flexible frame 135 extending in the horizontal direction from the vertical portion 135a And a horizontal portion 135b whose end is hinged to both ends of the first flexible frame 134. [ At this time, the bent portions of the vertical portion 135a and the horizontal portion 135b are fixed with respect to the central axis of the front wheel portion 110, so that the fixed state can be maintained.

A buffer means 136 may be provided between the upper central portion of the second variable frame 135 and the upper central portion of the first variable frame 134. Here, as the buffering means 136, various materials or devices for shock absorption such as coil springs may be applied. Therefore, in the structure in which the center of gravity of the occupant is eccentric to the front side by the footrest portion 140 or the handle portion 150, the two-wheeled mobile device 100 including the buffering means 136, The shock applied to the front wheel portion 110 can be absorbed.

The two-wheeled mobile device 100 according to the embodiment of the present invention is capable of moving the two-wheeled mobile device 100 at a predetermined angle (e.g., 180 degrees) with respect to an arbitrary straight line 160 connecting between the center axis of the front wheel part 110 and the center axis of the rear wheel part 120 And the upper shaft 151 is extended from the lower shaft 152 by a predetermined angle 170 toward the front side of the lower shaft 152. The handle portion 140 is formed to be inclined with respect to the lower shaft 152, The center of gravity of the occupant can be eccentric to the front side when the occupant riding the footstool 140 grasps the handle portion 150. [ Therefore, the two-wheeled mobile device 100 according to the embodiment of the present invention is more smooth than the existing mobile device including the handle portion of the structure designed to eccentrically center the center of gravity of the occupant to the rear side when driving the front wheel portion 110 Driving may be possible.

FIG. 6 is an enlarged perspective view of a folding unit according to an embodiment of the present invention, FIG. 7 is an enlarged perspective view illustrating a process of folding a handle by the folding unit shown in FIG. 6, Fig. 9 is an operational state diagram for explaining the operating relationship of the folding unit shown in Fig. 6. Fig.

6 to 9, the folding unit 153 according to an embodiment of the present invention may fold the upper shaft 151 with respect to the lower shaft 152 fixedly attached to the connection frame 132.

Specifically, the folding unit 153 includes an upper bracket 200a fixed to the upper shaft 151, a lower bracket 200b fixed integrally with the lower shaft 152, an upper bracket 200a, and a lower bracket 200b. A camshaft 210 coupled to one side of the camshaft 210 to rotate the upper bracket 200a with respect to the lower bracket 200b, A piston 220 inserted into the cam portion 211 of the cam shaft 210 and reciprocating at a predetermined interval according to the rotation of the cam shaft 210; The upper and lower brackets 200a and 200b are integrally formed with each other so that the rod portion 240 and the rod portion 240 that are extended and interlocked with the piston portion 230 are fixedly installed at the ends of the rod portion 240, To grip / lock / lock or to lock / unlock It may include an arm 250.

A side wall 260 is formed on one side of the upper bracket 200a and an insertion portion 262 having a cutout groove 261 formed on the front side of the side wall 260. The lower bracket 200b, A side wall portion 270 may be formed on one side opposite to the side wall portion 260 and an insertion portion 272 may be formed on the front side of the side wall portion 270 in which the cutting groove 271 is formed. Therefore, in the state where the upper bracket 200a and the lower bracket 200b are overlapped with each other, the insertion portions 262 and 272 formed with the cutting grooves 261 and 271 are formed on the left and right sides, respectively.

An insertion groove 251 for inserting the insertion portions 262 and 272 is formed in the inner surface of the lock portion 250 (for example, a surface facing the insertion portions 262 and 272 of the upper bracket 200a and the lower bracket 200b) Respectively.

One end of the folding lever 220 is fixedly coupled to one end of the camshaft 210 so that the camshaft 210 rotates in conjunction with the rotation of the folding lever 220 while the upper bracket 200a is rotated. Is free to rotate with respect to both ends of the camshaft 210, so that it is not linked to the rotation of the folding lever 220.

The folding process of the handle unit 150 using the folding unit 153 having such a structure is as follows.

When the folding lever 220 is rotated in the opposite direction in a state where the upper bracket 200a is overlapped with the lower bracket 200b and the camshaft 210 connected to one side of the folding lever 220 is rotated The piston portion 230 is moved forward by a predetermined distance as shown in the bottom view of FIG. 9 by the movement of the cam portion 211 of the cam shaft 210. As shown in FIG. Accordingly, the rod portion 240 integrally coupled with the piston portion 230 is also moved forward by a predetermined distance, and the lock portion 250 fixedly coupled with the rod portion 242 is also moved forward .

The insertion portions 262 and 272 of the upper bracket 200a and the lower bracket 200b inserted into the insertion groove 251 of the lock portion 250 are disengaged in accordance with the movement of the lock portion 250 The upper bracket 200a and the lower bracket 200b are released from the restrained state.

7, when the upper shaft 151 is freely rotated in the direction in which the camshaft 210 is installed, the upper shaft 151 is folded with respect to the lower shaft 152, The volume of the two-wheeled mobile device 100 can be reduced and the carrying of the two-wheeled mobile device 100 can be simplified.

The following is an inverse folding process in which the folded handle portion 160 is unfolded for traveling of the two-wheeled mobile device 100.

First, when the upper shaft 151 is freely rotated in the direction in which the camshaft 210 is installed and the upper bracket 200a is overlapped with the lower bracket 200b, the folding lever 220 is rotated in the opposite direction. In this case, when the folding lever 220 rotates in the opposite direction, the cam shaft 210 connected to one side of the folding lever 220 is rotated to be interlocked with the cam shaft 210 of the cam shaft 210, 9, the rod portion 240 integrally coupled to the piston portion 230 is further moved rearward by a predetermined distance from the piston portion 230 The lock unit 250 fixed to the rod unit 240 is also moved forward by a predetermined distance.

The insertion portions 262 and 272 of the upper bracket 200a and the lower bracket 200b are inserted into the insertion groove 251 of the lock portion 250 again according to the movement of the lock portion 250, The upper bracket 200a and the lower bracket 200b are restrained in a folded state, and folding is not performed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

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

100: two-wheel mobile device
110: front wheel part
120: rear wheel part
130: frame
140:
150:
151: Upper shaft
152: Lower shaft
153: Folding section

Claims (5)

A front wheel portion and a rear wheel portion provided so as to be opposed to the front side and the rear side; A frame connecting between the front wheel part and the rear wheel part; A footrest connected to the frame to allow a passenger to ride; And a handle portion extending from an upper side of the frame to adjust a rotating direction of the front wheel portion,
The handle portion
Wherein the upper shaft is formed of an upper shaft and a lower shaft and is extended so that the upper shaft is inclined at an angle to the front side with respect to the lower shaft.
The method according to claim 1,
The handle portion
Wherein the upper shaft is formed so as to be inclined by the predetermined angle toward the front side with respect to the lower shaft based on a turning radius of the handle portion generated as the front wheel is rotated.
The method according to claim 1,
The two-
Wherein the two-wheeled vehicle is driven by driving the front wheel.
The method according to claim 1,
The footrest
And the center of gravity of the occupant aboard the footrest portion is inclined by a certain angle with respect to an arbitrary straight line connecting the central axis of the front wheel portion and the central axis of the rear wheel portion so as to be eccentric to the front side.
The method according to claim 1,
The handle portion
And a folding portion for folding the upper shaft against the lower shaft.
And the two-wheeled vehicle.
KR1020150070929A 2015-05-21 2015-05-21 Two wheeled vehicle of erect type having improved handle structure KR20160136835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150070929A KR20160136835A (en) 2015-05-21 2015-05-21 Two wheeled vehicle of erect type having improved handle structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150070929A KR20160136835A (en) 2015-05-21 2015-05-21 Two wheeled vehicle of erect type having improved handle structure

Publications (1)

Publication Number Publication Date
KR20160136835A true KR20160136835A (en) 2016-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150070929A KR20160136835A (en) 2015-05-21 2015-05-21 Two wheeled vehicle of erect type having improved handle structure

Country Status (1)

Country Link
KR (1) KR20160136835A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101867042B1 (en) * 2017-09-15 2018-06-12 김리한 Driving unit freewheel and driving product including this same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101867042B1 (en) * 2017-09-15 2018-06-12 김리한 Driving unit freewheel and driving product including this same
WO2019054693A1 (en) * 2017-09-15 2019-03-21 김리한 Driving unit for traveling, using freewheels, and apparatus for traveling, including same

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