KR102139173B1 - Bike safe apparatus using two-way lock and release - Google Patents

Abstract

A safety auxiliary apparatus for a two-wheeled vehicle including auxiliary wheels includes: a fixing part fastened to the two-wheeled vehicle; an operating part mounted to be movable with respect to the fixing part and fastened to the auxiliary wheels; an elastic part pressurizing the operating part in a first direction so as to allow the auxiliary wheels to adhere to the ground; a first control part including a first topper restricting movement in a first direction of the operating part and a first releasing part for temporarily releasing the first stopper; and a second control part including a second stopper restricting movement of the operating part in a second direction which is opposite to the first direction and a second releasing part for temporarily releasing the second stopper, thereby allowing the auxiliary wheels using the first control part to quickly adhere to the ground and controlling a height of the auxiliary wheels using the second control part.

Description

Safety assistance device for two-wheeled vehicles using two-way locking and unlocking {BIKE SAFE APPARATUS USING TWO-WAY LOCK AND RELEASE}

The present invention relates to a two-wheeled vehicle safety assistance device, and more particularly, to a two-wheeled vehicle safety assistance device for protecting the driver by adjusting the locking and unlocking of the auxiliary wheel in real time.

Auxiliary wheels can be used to assist driving a two-wheeled vehicle such as a bicycle or motorcycle. Auxiliary wheels used in bicycles can help beginners to learn to ride a bicycle, and auxiliary wheels used in motorcycles prevent the vehicle from falling over an ice road and prevent the vehicle from falling even when parked or temporarily stopped. Can be.

However, since the two-wheeled vehicle can curve or turn while the vehicle body is tilted, the presence of the auxiliary wheel can be an obstacle to smooth driving. In addition, even if the auxiliary wheel is slung without resistance, its original function cannot be performed, and even if it is supported by elasticity, the sling caused by the spring can also be a factor that hinders stable operation.

There are a number of prior arts in the prior art with respect to the auxiliary wheels. For example, Japanese Patent Application Publication No. 2011-063254 (published on March 31, 2011) discloses a'non-conductive safety vehicle'. Looking at the'safety motorcycle', the auxiliary wheel is located between the pedal and the rear wheel, and it is cumbersome because it is continuously supported by the spring to continuously support the motorcycle at a certain height. have.

In addition, looking at U.S. Patent No.9284002 (registration on March 15, 2016), it discloses a training wheel that can be lifted in real time. The auxiliary wheel is for beginners learning to ride a bicycle, and the auxiliary wheel is disposed on the left and right of the central axis of the rear wheel, and includes a technique of lifting the auxiliary wheel by pulling a wire as necessary.

The present invention relates to a safety auxiliary device using an auxiliary wheel, and provides a safety auxiliary device for a two-wheeled vehicle that is in a standby state not in contact with the ground and can be switched to an operating state when a user desires or is in an emergency.

The present invention provides a safety assistance device for a two-wheeled vehicle that can adjust the height of the auxiliary wheel, and allows the user to finely adjust the separation height of the auxiliary wheel according to his level or safety conditions.

According to an exemplary embodiment of the present invention for achieving the above-mentioned objects of the present invention, a two-wheeled vehicle safety auxiliary device including an auxiliary wheel is fixedly coupled to a two-wheeled vehicle, and is movably mounted with respect to the fixed portion and the auxiliary wheel And an actuating portion that is engaged with, an elastic portion that presses the actuating portion in a first direction to bring the auxiliary wheel into close contact with the ground, a first stopper that restricts movement of the actuating portion in a first direction, and a first release to temporarily release the first stopper It includes a first control unit including a portion, and a second control unit including a second stopper for temporarily releasing a second stopper and a second stopper for limiting movement of the operation unit in a second direction opposite to the first direction, It is possible to quickly adjust the height of the auxiliary wheel using the first control unit and to adjust the height of the auxiliary wheel using the second control unit.

The operation part that is engaged with the auxiliary wheel is movably mounted with respect to the fixing part, and the moving direction may be defined in various directions such as a straight line, a rotation, and a twist. In the present specification, the first direction may be defined as a direction in which the auxiliary wheel is in close contact with the ground, and the operation unit moves the auxiliary wheel to the ground by moving linearly, rotating, twisting, and sliding in the first direction without moving in the same direction as the auxiliary wheel. It can be defined in a direction that can be adhered. In addition, the second direction is a direction opposite to the first direction, and even if it is not the same direction as the auxiliary wheel, the operation part moves in the second direction to move the straight line, rotate, twist, slide, etc. so that the auxiliary wheel can be separated from the ground. It can be defined in the direction.

The operation portion may have a tendency to move in the first direction by the elastic portion or gravity, and the first stopper of the first control portion may limit the movement of the auxiliary wheel to close to the ground. Then, when the user releases the lock of the first stopper using the first release unit, the auxiliary wheel can quickly come into close contact with the ground by elasticity or gravity.

And once the auxiliary wheel is in close contact with the ground, even if the auxiliary wheel is intended to move in a direction away from the ground, since the auxiliary wheel is not lifted by the second stopper, the driver can secure strong support and obtain a strong sense of stability.

In addition, the driver may use the second control unit to adjust the separation height of the auxiliary wheel while driving. That is, while rotating, such as rotating or U-turn, the driver can temporarily unlock the second stopper by using the second release unit, and the auxiliary wheel and the operation unit naturally respond to the inclination of the two-wheeled vehicle while increasing the separation height or the descending length. Can be adjusted. Therefore, the user can unlock the second stopper with the second release unit while rotating or turning, and can adjust the auxiliary wheel without obstacle even when the two-wheeled vehicle is inclined. In addition, when the situation becomes dangerous again, the first stopper of the first control unit may be released to secure a safe state.

As described above, by using the first control unit for solid and safe support and the second control unit for smooth driving, the driver can pursue both safety and driving fun, and the second control unit even when the first control unit is in an unlocked state. Is in the locked state, it is possible to prevent the swaying of the auxiliary wheel, and even if the second control part is in the unlocked state, the excessive restoring force by the elastic part does not interfere with safe operation after the first control part recovers the tilt in the locked state. Can be.

According to one embodiment, the operating portion may be formed in a column shape, and includes a moving bracket formed with a plurality of rack projections on the outer surface, and the fixing portion may include a fixing bracket in the shape of a cylinder for guiding the movement of the moving bracket, , The elastic portion may include a compression spring interposed between the movable bracket and the fixed bracket.

In this case, the first stopper may be a pawl engaged with the rack protrusion, and the second stopper may be another pawl engaged with the rack protrusion.

The fixed bracket may include a vertical slit formed toward the rear of the two-wheeled vehicle, and the operation unit may include a rear guide protruding rearward through the vertical slit from the moving bracket. In addition, the auxiliary wheel is bound to the rear guide to minimize the shaking of the auxiliary wheel while driving, and the installation height can be significantly reduced.

According to another embodiment, the operation unit may include a moving bracket that is pivotally mounted on one side of the fixing unit, and the fixing unit may include a fixing bracket providing a rack protrusion formed along a circumferential direction with respect to a rotation center of the moving bracket. Can. Here, the first stopper may be a pawl mounted on the movable bracket and engaged with the rack protrusion, and the second stopper may be another pawl mounted on the movable bracket and engaged with the rack protrusion.

In addition, the movable bracket is limited to the turning range to the rear of the two-wheeled vehicle with respect to the vertical line to the ground, thereby reducing the impact transmitted to the auxiliary wheel during driving, and reducing the obstacles to the driving by the auxiliary wheel, and the installation height is also simple. It can be reduced to a structure.

According to another embodiment, the operation portion includes a movable bracket that is pivotally mounted on one side of the fixed portion, and the fixed portion includes a fixed bracket having a protrusion formed along a circumferential direction with respect to a rotation center of the moving bracket, The formed protrusions are not substantially the same protrusions in both directions, but a ratchet protrusion having an eccentric structure, that is, a structure including two types of ratchet surfaces is provided, and in each structure, the directions of the ratchet protrusions form opposite to each other. can do.

In this case, the first stopper is a pawl that is mounted on the movable bracket and engaged with one of the ratchet projections, and the second stopper can be another detent that engages with the other of the ratchet projections, and is engaged by different projections. Protrusion structures suitable for each characteristic can be formed.

The safety auxiliary device for a two-wheeled vehicle of the present invention is for simultaneously pursuing safe driving and smooth driving, and the safety auxiliary device may be switched to a working state from a standby state in which the safety auxiliary device is not used or is less involved in driving, and copes with the inclination of the two-wheeled vehicle Thus, the separation height of the auxiliary wheel can be naturally adjusted and adjusted.

Specifically, the driver unlocks the first stopper using the first release unit, and at the same time, the auxiliary wheel can be in close contact with the ground to cope with emergency situations, and even an expert can use the auxiliary wheel frequently for safe parking, etc. have.

In addition, once the auxiliary wheel is in close contact with the ground due to the first control unit, even if the auxiliary wheel is intended to move in a direction away from the ground, since the auxiliary wheel is not lifted by the second stopper, the driver secures a strong support force and has a strong sense of stability. Can get

The safety assistance device of the present invention can use the first control unit for solid and safe support and the second control unit for smooth driving, so that the driver can pursue both safety and driving fun, and the first control unit and the second control unit Complement each other, you can expect to deal with emergency situations and control excessive return after the inclination of a two-wheeled vehicle.

1 is a view for explaining a two-wheeled vehicle equipped with a safety assistance device according to an embodiment of the present invention.
FIG. 2 is a view for explaining the safety assistance device for a two-wheeled vehicle of FIG. 1.
FIG. 3 is a view for explaining an operation process of the safety assistance device for a two-wheeled vehicle of FIG. 1.
4 is a view for explaining a process by the operation of the second control unit in the safety assistance device for a two-wheeled vehicle according to an embodiment of the present invention.
FIG. 5 is a view for explaining a process in which the second control unit is substantially used in the safety assistance device of FIG. 4.
6 is a view for explaining a two-wheeled vehicle and a safety assistance device equipped with a safety assistance device according to an embodiment of the present invention.
7 is a view for specifically explaining the safety assistance device for a two-wheeled vehicle of FIG. 6.
8 is a view for explaining a process by the operation of the second control unit in the safety assistance device for a two-wheeled vehicle according to an embodiment of the present invention.
9 is a view for explaining the operation of the movable bracket and the fixed bracket in the safety assistance device for a two-wheeled vehicle according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments. For reference, in the present description, the same numbers refer to substantially the same elements, and the contents described in other drawings under the above rules can be cited and described, and repeated contents that are determined or apparent to those skilled in the art may be omitted.

1 is a view for explaining a two-wheeled vehicle equipped with a safety assistance device according to an embodiment of the present invention, Figure 2 is a view for explaining a safety assistance device for a two-wheeled vehicle of Figure 1, Figure 3 is a two-wheeled vehicle of Figure 1 It is a diagram for explaining the operation process of the safety auxiliary device.

1 to 3, the safety assistance device 100 for a two-wheeled vehicle according to this embodiment may be applied to a two-wheeled vehicle such as a bicycle or a motorcycle, and may be mounted on the bicycle 10 in this embodiment.

The bicycle 10 has a handle 30 and a front wheel 40 at the front, and a rear wheel 50 at the rear. A pedal 60 may be provided below the main frame 20. Although not specified in the drawings, the pedal 60 may be connected to the rear wheel 50 using a sprocket or a chain, etc. In addition, it is also possible to use the gears to connect the pedal to the front or rear wheel.

In this embodiment, the safety assistance device 100 may be mounted on the main frame 20 between the pedal 60 and the rear wheel 50, and the safety assistance device 100 according to the present embodiment may include the main frame 20 Fixed part 110 fixed to the, the operating part 130 is movably mounted with respect to the fixed part 110, the auxiliary wheel 120 and the auxiliary wheel 120, which is engaged with the operating part 130 and moves together with the operating part 130 Elastic unit 140 for pressing the operating unit 130 in the first direction (down) to close the wheel 120 to the ground, the first control unit for locking or releasing movement in the first direction of the operating unit 130 ( 150), may include a second control unit 160 for locking or releasing the second direction (upper) movement of the operation unit 130.

The first control unit 150 may include a first stopper 152 that limits movement of the operation unit 130 in the first direction and a first release unit for temporarily releasing the first stopper 152. In this embodiment, the operation unit 130 may be provided in a columnar structure that linearly moves with respect to the fixing unit 110, and the outer surface includes a moving bracket 132 in which a plurality of rack protrusions 134 are formed. can do. In addition, the first stopper 152 is a pawl that can be engaged with the rack protrusion 134, and may be mounted on the fixing bracket 112 of the fixing unit 110.

The first release unit may include a first button 154 or a lever mounted on the handle 30, while moving the first stopper 152 with a wire or the like while pressing the first button 154, the first stopper ( The movement bracket 132 may be moved relative to the fixed bracket 112 by the movement on 152).

The elastic part 140 may include a compression spring interposed between the movable bracket 132 and the fixed bracket 112, and when the first stopper 152 is released by the first release part, by self-weight or elastic force The operation unit 130 moves in the first direction, and the auxiliary wheel 120 may also descend with the operation unit 130 to be in close contact with the ground.

The second control unit may include a second stopper 162 and a second release unit for temporarily releasing the second stopper 162, and the second release unit may also press another second button 164 mounted on the handle. By this, the second stopper 162 can be temporarily released.

The moving bracket 132 of the operation unit 130 can move linearly up and down inside the fixed bracket 112 in the shape of a cylinder, and through the rear guide 136, the auxiliary wheel 120, the wheel frame 122, It can move like the wheel connecting portion 124.

When the first stopper 152 is temporarily released by the first control unit and the auxiliary wheel 120 is in close contact with the ground, the auxiliary wheel 120 may be prevented from moving upward by the second stopper 162. have. That is, even if the auxiliary wheel 120 tries to move upward from the ground, the movement of the moving bracket 132 is limited by the second stopper 162, and as a result, the auxiliary wheel 120 is not lifted. Can secure a strong sense of stability by securing strong support.

According to the illustrated, a bearing 138 may be provided on the upper portion of the moving bracket 132, and mutual movement between the moving bracket 132 and the fixed bracket 112 may be smoothly moved by the bearing 138.

In addition, according to another embodiment, the first stopper or the second stopper may be mounted on an operating portion other than a fixed portion, and a rack protrusion or the like may be formed on the inner surface of the fixed portion. However, for ease of assembly and stopper operation, it may be more desirable for the stopper to be mounted on a fixed bracket.

The fixed bracket 112 formed in a cylinder shape may further include a vertical slit 114 formed toward the rear of the bicycle 10, and the rear guide 136 is exposed to the outside through the vertical slit 114 to assist wheels The center of rotation of 120 may be positioned behind the center of the moving bracket 132.

Since the center of rotation of the auxiliary wheel 120 is located behind the moving bracket 132, it is possible to minimize the shaking of the auxiliary wheel 120 while driving, and the auxiliary wheel 120 and the wheel frame 122 are movable brackets. The total height of the safety assistance device 100 can be significantly reduced by being installed at the rear rather than being installed under the 132.

Referring to FIG. 3, a first button 154 for a first control unit and a second button 164 for a second control unit are mounted on the handle 30 (a), and the first button for the first control unit ( When the first stopper 152 is separated from the rack protrusion 134 by (154) (b), the movable bracket 132 and the auxiliary wheel 120 can descend to quickly adhere to and secure the ground ( c).

4 is a view for explaining a process by the operation of the second control unit in the safety auxiliary device for a two-wheeled vehicle according to an embodiment of the present invention, Figure 5 is substantially the second control unit is used in the safety auxiliary device of Figure 4 It is a diagram for explaining the process.

4 and 5, the second control unit may include a second release unit including a second stopper 162 and a second button 164. The second stopper 162 can be separated from the rack protrusion 134 by pressing the second button 164 (FIG. 4(a)), and the second stopper 162 is operated by wires or the like (Fp). When temporarily separated, the moving bracket 132 can be moved in the second direction, that is, upward by an external force (FIG. 4(c)). At this time, the movement of the moving bracket 132 by the elastic portion 140 may receive resistance, but the elastic portion 140 may be allowed to be compressed by a force of a predetermined size or more.

Practically, since the first stopper 152 and the second stopper 162 are maintained in the process of driving the bicycle, the auxiliary wheel 120 may maintain a predetermined height (a). However, it may be difficult to incline sideways as shown in (b) in a state where the upper and lower heights of the auxiliary wheel 120 are in close contact with the ground, and this may interfere with the smooth rotation of the bicycle due to the characteristics of the two-wheeled vehicle.

In this case, when the driver presses the second button 164 to allow movement in the second direction of the movement bracket 132 from the second control unit, and when the driver tilts the bicycle while pressing the second button 164 , The auxiliary wheel 120, the wheel frame 122 and the like can be moved toward the fixing portion 110 naturally.

Here, the driver may release the second button 164 so that the auxiliary wheel 120, the wheel frame 122, and the moving bracket 132 may no longer go up, and in this state, the auxiliary wheel 120 is driven by the driver Can not be disturbed. In addition, when an emergency situation occurs when the auxiliary wheel 120 is raised or you want to park, the first wheel 154 may be pressed again so that the auxiliary wheel 120 is in close contact with the ground.

As described above, by using the first control unit for solid and safe support and the second control unit for smooth driving, the driver can pursue both safety and driving fun, and the second control unit even when the first control unit is in an unlocked state. In the locked state, it is possible to prevent the sloping of the auxiliary wheel, and even if the second control part is in the unlocked state, excessive restoration by the elastic part 140 prevents safe operation after the first control part recovers from the tilted state in the locked state. You can avoid it.

FIG. 6 is a view for explaining a two-wheeled vehicle and a safety auxiliary device equipped with a safety auxiliary device according to an embodiment of the present invention, and FIG. 7 is a view for specifically describing the safety auxiliary device for a two-wheeled vehicle of FIG. 6.

6 and 7, the safety assistance device 200 for a two-wheeled vehicle according to the present embodiment may be applied to a two-wheeled vehicle such as a bicycle or a motorcycle, and in this embodiment, mounted on the same bicycle 10 as in the previous embodiment It will be described as a case.

In the present embodiment, the safety auxiliary device 200 may be mounted on the main frame 20 between the pedal 60 and the rear wheel 50, and the safety auxiliary device 200 according to the present embodiment is the main frame 20 The fixed part 210 fixed to the fixed part 210, the operating part 230 rotatably mounted relative to the fixed part 210, and the auxiliary wheel 220 that is engaged with the operating part 230 and is engaged with the operating part 230 ), the elastic portion 240 for pressing the operation portion 230 in the first direction (clockwise in the drawing) to close the auxiliary wheel 220 to the ground, lock the movement in the first direction of the operation portion 230 or It may include a first control unit for releasing, and a second control unit for locking or releasing movement in the second direction (counterclockwise in the drawing) of the operation unit 230.

The first control unit may include a first stopper 252 for limiting movement of the operation unit 230 in the first direction and a first release unit for temporarily releasing the first stopper 252. In this embodiment, the operation unit 230 may include a moving bracket 232 that is pivotally mounted on one side of the fixing unit 210, and the fixing unit 210 is provided with respect to the rotational center of the moving bracket 232. It may include a fixing bracket 212 providing a rack projection 214 formed along the circumferential direction. In addition, the first stopper 252 is a pawl that can be engaged with the rack protrusion 214, and may be mounted on the moving bracket 232 of the operation unit 230.

The first release unit, as in the previous embodiment, may include a first button or a lever mounted on the handle, the first stopper 252 is moved by a wire or the like while pressing the first button, and the first stopper 252 Due to the movement, the moving bracket 232 can move relative to the fixed bracket 212.

The elastic part 240 may include a torsion spring interposed between the movable bracket 232 and the fixed bracket 212, and when the first stopper 252 is released by the first release part, the weight or spring of the wheel By the restoring force of the operation unit 230 is moved in the first direction (clockwise), the auxiliary wheel 220 along with the operation unit 230 may also descend to be in close contact with the ground.

The second control unit may include a second stopper 262 and a second release unit for temporarily releasing the second stopper 262, and the second release unit also stops the second stopper by pressing another button mounted on the handle. (262) can be temporarily released.

The moving bracket 232 of the operation unit 230 may rotate around a point of the fixed bracket 212, and its turning range may be limited to turn only toward the rear of the bicycle with respect to a vertical line with respect to the ground. Therefore, it is possible to reduce the impact transmitted to the auxiliary wheel while driving, and to reduce the factors that interfere with driving by the auxiliary wheel. In order to limit the turning range of the moving bracket 232, the length from the center of rotation of the moving bracket 232 to the auxiliary wheel 220 is lengthened or the moving bracket 232 is used to limit the rotating range of the moving bracket 232 Alternatively, protrusions may be formed on the fixing bracket 212.

When the first stopper 252 is temporarily released by the first control unit and the auxiliary wheel 220 is in close contact with the ground, the auxiliary wheel 220 may be prevented from moving upward by the second stopper 262. have. That is, even if the auxiliary wheel 220 is intended to move upwards away from the ground, the movement of the moving bracket 232 is limited by the second stopper 262, and as a result, the auxiliary wheel 220 is not lifted. Can secure a strong sense of stability by securing strong support.

8 is a view for explaining a process by the operation of the second control unit in the safety assistance device for a two-wheeled vehicle according to an embodiment of the present invention.

Referring to FIG. 8, the second control unit may include a second stopper 262 and a second release unit including a button or a lever. A wire or the like may be operated by the operation of a button or a lever, and the wire or the like may pull the second stopper 262 to the rear (Fp), while the second stopper 262 is fixed to the rack of the bracket 212 ( (214), and when the second stopper 262 is temporarily separated, the moving bracket 232 can be moved in the second direction, that is, upward by an external force (FIG. 8(b)). At this time, the movement of the moving bracket 232 by the gravity (w) or the elastic portion 240 may receive resistance, but allow the elastic portion 240 to be compressed by a force of a predetermined size or more as shown in FIG. 5. Can.

As shown in FIG. 7, since the first stopper 252 and the second stopper 262 are maintained in the process of driving the bicycle, the auxiliary wheel 220 may maintain a predetermined height. However, it may be difficult to tilt the side of the auxiliary wheel 220 up and down in close contact with the ground, which may interfere with the smooth rotation of the bicycle due to the characteristics of the two-wheeled vehicle.

In this case, the driver may allow the movement bracket 232 to move in the second direction from the second control unit by operating a button or the like for releasing the second stopper 262, and the driver may release the second stopper 262. When the bicycle is inclined in the released state, the auxiliary wheel 220, the wheel frame 222, and the like can naturally move in the second direction (counterclockwise) with respect to the fixing part 210.

Here, the driver can release the button, etc., so that the auxiliary wheel 220, the wheel frame 222, and the moving bracket 232 are no longer raised, and in this state, the auxiliary wheel 220 does not interfere with the driver's driving. can do. In addition, when an emergency situation occurs when the auxiliary wheel 220 is raised or when parking is desired, the first stopper 252 may be released again so that the auxiliary wheel 220 is brought into close contact with the ground.

In this way, by using the first control unit and the second control unit, the driver can pursue both safety and fun of driving, and the second control unit is locked even when the first control unit is in the unlocked state, so that the auxiliary wheels sway. Even if the second control unit is in the unlocked state, excessive restoration by the elastic unit 240 may not interfere with safe operation after the first control unit recovers the tilt in the locked state.

9 is a view for explaining the operation of the movable bracket and the fixed bracket in the safety assistance device for a two-wheeled vehicle according to an embodiment of the present invention.

Referring to FIG. 9, in the fixing bracket 212 of the fixing part, the rack protrusion may be provided separately in two layers, and the ratchet protrusions 214' and 216' of eccentric structure, that is, two types of ratchets A structure including a surface is provided, and the directions of the ratchet protrusions 214' and 216' in each structure can be made to form opposite to each other.

In addition, the first stopper 252 is mounted on the moving bracket, and limits the rotation of the moving bracket in the clockwise direction in the drawing, and the second stopper 262 is arranged and moved to correspond to a different position from the first stopper 252 Mounted on the bracket, it is possible to limit the rotation of the moving bracket counterclockwise in the drawing.

As described above, although described with reference to preferred embodiments of the present invention, those skilled in the art variously modify and change the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. You can understand that you can.

10: bicycle 20: frame
30: handle 100: safety aid
110: fixing part 112: fixing bracket
120: auxiliary wheel 130: operating unit
132: moving bracket 140: elastic portion
152: first stopper 154: first button
162: second stopper 164: second button

Claims (6)

In the two-wheeled vehicle safety assist device,
A fixing unit bound to the two-wheeled vehicle;
An operation portion movably mounted with respect to the fixing portion;
At least one pair of auxiliary wheels mounted at the ends of the operation unit;
An elastic part which presses the operation part in a first direction to simultaneously close the auxiliary wheels to the ground;
A first control unit including a first stopper for limiting the movement of the operation unit in the first direction and a first release unit for temporarily releasing the first stopper; And
It includes; a second control unit including a second stopper for temporarily releasing the second stopper and a second stopper for limiting the movement of the operation unit in a second direction opposite to the first direction.
The first stopper basically limits movement of the operation unit in a state in which the first release unit is not operated, and does not limit movement of the operation unit in the second direction,
The second stopper basically limits movement of the operation unit in a state in which the second release unit is not operated, and does not limit movement of the operation unit in the first direction,
It is possible to limit the left and right cornering ranges together by using the first control unit to simultaneously and quickly attach the auxiliary wheels to the ground, and by using the second control unit to finely adjust the height of the auxiliary wheels while driving. Two-wheeled vehicle safety aid. According to claim 1,
The operation portion is formed in a column shape, and includes a moving bracket in which a plurality of rack protrusions are formed on an outer surface, the fixing portion includes a cylinder-shaped fixing bracket for guiding the movement of the moving bracket, and the elastic portion is the moving bracket And a compression spring interposed between the fixing brackets,
The first stopper is a pawl which is engaged with the rack protrusion, and the second stopper is a second pawl safety assist device, characterized in that the other pawl is engaged with the rack protrusion. According to claim 2,
The fixing bracket includes a vertical slit formed toward the rear of the two-wheeled vehicle, and the operation part includes a rear guide protruding rearward through the vertical slit from the moving bracket,
The auxiliary wheel safety assistance device for a two-wheeled vehicle, characterized in that the binding to the rear guide. According to claim 1,
The operation portion includes a movable bracket that is pivotally mounted on one side of the fixed portion, and the fixed portion includes a fixed bracket that provides a rack protrusion formed along a circumferential direction with respect to a rotation center of the movable bracket,
The first stopper is mounted on the movable bracket, the pawl is engaged with the rack protrusion (pawl), and the second stopper is mounted on the movable bracket and is another detent that is engaged with the rack protrusion and is secured. Device. According to claim 4,
The moving bracket is a two-wheeled vehicle safety assistance device, characterized in that the turning range is limited to the rear of the two-wheeled vehicle with respect to the vertical line to the ground. According to claim 1,
The operation portion includes a movable bracket that is pivotally mounted on one side of the fixed portion, and the fixed portion includes a fixed bracket that provides ratchet projections in opposite directions formed along a circumferential direction with respect to a rotation center of the movable bracket, ,
The first stopper is mounted on the movable bracket and is a pawl of one of the ratchet projections, and the second stopper is mounted on the movable bracket and is another pawl that is engaged with the other of the ratchet projections. Two-wheeled vehicle safety assistance device.

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