KR20110131644A - Steering device and vehicle having the same - Google Patents

Steering device and vehicle having the same Download PDF

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Publication number
KR20110131644A
KR20110131644A KR1020100051186A KR20100051186A KR20110131644A KR 20110131644 A KR20110131644 A KR 20110131644A KR 1020100051186 A KR1020100051186 A KR 1020100051186A KR 20100051186 A KR20100051186 A KR 20100051186A KR 20110131644 A KR20110131644 A KR 20110131644A
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KR
South Korea
Prior art keywords
main body
rod
knuckle arm
arm
vehicle
Prior art date
Application number
KR1020100051186A
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Korean (ko)
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KR101207915B1 (en
Inventor
최진만
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최진만
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Publication date
Application filed by 최진만 filed Critical 최진만
Priority to KR1020100051186A priority Critical patent/KR101207915B1/en
Publication of KR20110131644A publication Critical patent/KR20110131644A/en
Application granted granted Critical
Publication of KR101207915B1 publication Critical patent/KR101207915B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/008—Control of feed-back to the steering input member, e.g. simulating road feel in steer-by-wire applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D9/00—Steering deflectable wheels 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
    • B62K21/005—Steering pivot axis arranged within the wheel, e.g. for a hub center steering arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/07—Facilitating assembling or mounting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)

Abstract

PURPOSE: A steering device and a vehicle having the same is provided to improve the convenience of manufacturing and assembly by simplifying the structure of a steering system. CONSTITUTION: In a steering device and a vehicle having the same, a main body(110) has first and second connection units. First and second axes(120,130) are connected to the first and second connection units and is rotatable. A pair of knuckle arms(140) is connected to a wheel shaft respectively and is connected between the first and second axes. A pair of connection rod(160) connects a main body and the knuckle arm and rotates the knuckle arm around the second axis. A ball joint unit(150) connects the knuckle arm to the first and second axes through a ball joint type.

Description

Steering device and vehicle having same {STEERING DEVICE AND VEHICLE HAVING THE SAME}

The present invention relates to a steering apparatus capable of switching the driving direction of a vehicle by changing the posture of a passenger and a vehicle having the same.

In general, a vehicle such as a bicycle, an automobile or a vehicle is provided with a steering device for switching or adjusting the driving direction of the vehicle. Such a steering device is generally in the form of using a steering wheel, and when the occupant rotates the steering wheel, the steering direction of the vehicle is changed accordingly.

However, since the structure of the steering apparatus as described above has a structure that is operated by using the user's hands or feet, those who are uncomfortable with hands and feet or those who are not used to steering wheels experience inconvenience in driving the vehicle. In addition, the steering apparatus of this type has a disadvantage in that the passenger's limbs are not free during the operation of the steering wheel even if the passenger is used to the steering wheel.

Therefore, the development of a steering device of a different operation method from the above-described general steering method is required, and recently, a steering device for switching a driving direction of a vehicle by changing a passenger's attitude has been developed.

The present invention has been made in view of the above, and provides a new form of structure different from the conventional one in the inclination device which can tilt the wheel while changing the direction of the wheel in a desired direction by changing the attitude of the occupant. It is for.

In addition, the present invention is to improve the manufacturing and assembly convenience by simplifying the structure of the steering apparatus.

In order to achieve the above object, the present invention provides a main body having first and second connecting portions, and first and second axles rotatably connected to a first axis in the first and second connecting portions, respectively. And a shaft of a wheel are connected to each other, and a pair of knuckle arms connected between the first and second axles and the main body and the knuckle arm to rotate the knuckle arm in the second axial direction when the main body rotates. A pair of connecting rods rotating around the center, and a ball joint unit connecting the knuckle arms to the first and second axles in a ball joint manner such that the knuckle arms can be tilted while rotating the body. Disclosed is a steering apparatus and a vehicle having the same.

The first and second connectors may protrude from upper and lower ends of the body, respectively, and the first and second axles may be pin-connected to the first and second connectors, respectively.

A rod connecting portion may be formed at one side of the second connecting portion such that an end of the connecting rod is rotatably connected about the first axial direction.

A balance maintaining unit may be additionally installed between the main body and the second axle to provide a support force to the main body in a direction opposite to the rotation direction when the main body rotates. Here, the balance maintaining unit is a first rod rotatably connected to the main body, a second rod rotatably connected to the second axle and linearly coupled to the second rod, and the first and It may include a spring for supporting the second rod.

The knuckle arm is formed on the arm body portion to which the ball joint unit is connected, the side of the arm body, the shaft mounting portion to which the shaft is mounted, and the side of the arm body portion, the connecting rod is the second rod It may include an extension that is rotatably connected about the axial direction.

The ball joint unit may include a rod end bearing coupled to the ends of the first and second axles, and a bolt fixed to the knuckle arm and coupled to the rod end bearing.

According to the present invention of the above configuration, as a simple structure through the structure that connects the knuckle arm and the first and second axle in a ball joint method, a 'mechanism of rotating the wheel as the vehicle frame is tilted as the vehicle is tilted' can be implemented. Can be.

1 is a front perspective view of the steering apparatus according to an embodiment of the present invention viewed from the front;
2 is a rear perspective view of the steering apparatus of FIG. 1 viewed from the rear;
3 is an exploded perspective view of the steering apparatus shown in FIG. 1;
4 is an exploded perspective view illustrating an exploded first axle, knuckle arm, and ball joint unit shown in FIG. 1;
5 and 6 are a front view and a plan view showing an operating state of the steering apparatus of the present invention.

Hereinafter, a steering apparatus and a vehicle having the same according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a front perspective view of the steering apparatus according to an embodiment of the present invention, and FIG. 2 is a rear perspective view of the steering apparatus of FIG.

The concept of a vehicle to which the steering apparatus is applied in the present specification is a concept including all transportation devices for driving on roads such as bicycles, motorcycles, and automobiles.

In the present embodiment, a description will be given based on the fact that the steering apparatus is a rear two-wheel steering apparatus that switches the direction of the two wheels at the rear of the vehicle. In this case, the forward direction in FIG. 1 is the forward driving direction of the vehicle.

1 and 2, the steering apparatus includes a main body 110, a first axle 120, a second axle 130, a pair of knuckle arms 140, a pair of connecting rods 160, and a ball. And a joining unit 150.

The main body 110 may be installed in a frame of the vehicle, and for example, fastening parts 117 and 118 for fastening with the frame may be formed on at least one side thereof. The main body 110 has a structure inclined about the first axis (x-axis of FIG. 1) as the occupant tilts the frame. According to the present embodiment, the main body 110 is formed in a cylindrical shape having a hollow along the front and rear, and the fastening parts 117 and 118 are formed in front and rear of the main body 110, respectively.

The first axle 120 and the second axle 130 are rotatably connected to the main body 110 about the first axis (x-axis) direction. The first axle 120 is installed at the upper end of the main body 110, and the second axle 130 is installed at the lower end of the main body 110. The first and second axles 120 and 130 may have a symmetrical shape with respect to the connection portion with the main body 110.

The pair of knuckle arms 140 are connected between the first axle 120 and the second axle 130. The pair of knuckle arms 140 are respectively installed at both ends of the first and second axles 120 and 130, respectively. A shaft connected to a wheel (wheel) is connected to the knuckle arm 140, and the direction of the wheel is changed according to the rotation of the knuckle arm 140.

The connecting rod 160 connects the body 110 and the knuckle arm 140. One end of the connecting rod 160 is rotatably connected to the main body 110 about a first axis (x-axis of FIG. 1). The other end of the connecting rod 160 is rotatably connected to the knuckle arm 140 about the second axis (y-axis of FIG. 1).

The ball joint unit 150 connects the knuckle arm 140 to the first and second axles 120 and 130 in a ball joint manner. The ball joint units 150 are four pieces, and may be installed at both ends of the first axle 120 and at both ends of the second axle 130 (four locations in total). The configuration of the ball joint unit 150 and the operation of the knuckle arm 140 will be described later in detail.

Between the main body 110 and the second axle 130, a balance maintaining unit 170 for maintaining the balance of the vehicle may be additionally installed. The balance maintaining unit 170 provides the main body 110 with a supporting force in a direction opposite to the direction in which the main body 110 rotates when the main body 110 rotates.

The balance maintaining unit 170 includes a first rod 171 rotatably installed on the main body 110, a second rod 172 rotatably installed on the second axle 130, and first and second parts. It may include a spring 173 for supporting the rods (171, 172). Here, the second rod 172 is installed to be linear to the first rod 171, and has a structure in which the spring 173 is elastically deformed as the first and second rods 171 and 172 move relative to each other. The second rod 172 may be installed with an adjusting nut 174 for adjusting the elasticity of the spring 173.

3 is an exploded perspective view of the steering apparatus shown in FIG. 1.

In FIG. 3, only the main body 110, the first axle 120, and the second axle 130 are illustrated for convenience of description, and an illustration of the knuckle arm 140, the ball joint unit 150, and the connection rod 160 is illustrated. Omitted.

Referring to FIG. 3, the main body 110 includes first and second connectors 111 and 112. The first axle 120 is hinged to the first connector 111 and the second axle 130 is hinged to the second connector 112. The first and second connectors 111 and 112 may be formed to protrude from the upper and lower ends of the main body 110, respectively. The first and second axles 120 and 130 may be formed using the axle pins 11 and 12. The hinges may be connected to the two connecting portions 111 and 112, respectively.

One side of the second connector 112 is formed with a rod connecting portion 113 for connecting the connecting rod 160. The rod connecting portion 113 may be formed to protrude downward from the lower end of the main body 110, and the connecting rod 160 is rotatably connected to the rod connecting portion 113 about the first axis direction.

First rod connecting portions 113 for connecting the first rod 171 of the balance maintaining unit 170 are formed at both sides of the main body 110. The first rod 171 is rotatably connected to the first rod connecting portion 113 about the first axis direction.

In addition, a second rod connecting portion 113 for connecting the second rod 172 of the balance maintaining unit 170 is formed on the upper surface of the second axle 130. Like the first rod 171, the second rod 172 is rotatably connected to the second rod connecting portion 113 about the first axial direction.

This embodiment illustrates that the first axle 120 and the second axle 130 have the same structure. This is to improve the convenience of manufacturing by not distinguishing between the first axle 120 and the second axle 130.

4 is an exploded perspective view illustrating an exploded view of the first axle, knuckle arm, and ball joint unit shown in FIG. 1;

As shown in FIG. 4, the knuckle arm 140 may include an arm main body 141, a shaft mount 142, and an extension 143.

The arm main body 141 is connected to both ends of the ball joint unit 150, and thereby is connected to the first and second axles 120 and 130. According to this embodiment, the female body portion 141 has a substantially cylindrical (or cylindrical) shape.

The shaft mounting portion 142 is formed to protrude on the side of the arm body portion 141, and provides a space for mounting the shaft of the wheel. The shaft mounting portion 142 is formed with an insertion hole 142a for inserting the shaft.

The extension part 143 extends from the side of the arm main body part 141 and provides a space for the connection rod 160 to be connected. The connecting rod 160 is rotatably connected to the extension part 143 about the second axis (y-axis) direction.

Meanwhile, the ball joint unit 150 may be implemented as an assembly of the rod end bearing 151 and the bolt 152. Although only one ball joint unit 150 is illustrated in FIG. 4, all four ball joint units 150 may have the same configuration.

The rod end bearing 151 is coupled to the ends of the first and second axles 120 and 130 and has a bearing hole 151a into which the bolt 152 is inserted.

Bolt 152 is fixed to the end of knuckle arm 140 and is coupled to rod end bearing 151. The bolt 152 passes through the bearing hole 151a of the rod end bearing 151 and is fixed to the fixing hole 141a of the female body 141. The bolt 152 may be rotated in the second axial direction in the bearing hole 151a and may be inclined with respect to the rod end bearing 151.

Although the present embodiment illustrates the rod end bearing 151 and the bolt 152 as the configuration of the ball joint unit 150, the present invention is not limited thereto, and the first and second axles 120 and 130 Any configuration may be used as long as the knuckle arm 140 is coupled in a ball joint manner.

5 and 6 are a front view and a plan view showing an operating state of the steering apparatus of the present invention. For reference, FIGS. 5 and 6 omit the balance maintaining unit 170. Hereinafter, the arrow indicated in FIG. 6 will be described based on the driving direction of the vehicle (that is, the rear two-wheel steering apparatus).

When the occupant changes his posture by tilting his / her left or right direction or applies a force to the frame, the main body 110 is inclined to rotate according to the first axis direction.

The first and second axles 120 and 130 and the knuckle arm 140 have a link structure. As the body 110 rotates, the first and second axles 120 and 130 move relative to each other in the horizontal direction. 140 also tilts. That is, the first and second axles 120 and 130 move horizontally in opposite directions, and the pair of knuckle arms 140 are inclined in the same direction. Accordingly, the wheel connected to the knuckle arm 140 is also inclined. By tilting the wheel in the direction in which the vehicle is inclined as described above, the attitude of the vehicle can be stably maintained even when the vehicle is inclined.

5 shows that when the main body 110 is inclined clockwise, the first axle 120 moves horizontally in the right direction of FIG. 5 and the second axle 130 moves horizontally in the left direction of FIG. 5. have. Accordingly, it can be seen that the knuckle arm 140 rotates in a clockwise direction and is inclined.

On the other hand, in the process of rotating the main body 110, the balance maintaining unit 170 serves to maintain the attitude of the vehicle by providing a support force in the opposite direction of the rotation direction to the main body 110.

Referring to FIG. 6, the knuckle arm 140 is rotated about the second axis direction while being inclined in the direction in which the main body 110 is inclined. As the connecting rod 160 pulls or pushes the extension 143 of the knuckle arm 140 as the main body 110 rotates, the knuckle arm 140 rotates about the second axis (y-axis) direction. Will be done. Accordingly, the wheel connected to the knuckle arm 140 is also changed in direction so that the driving direction of the vehicle is changed.

6 illustrates that the knuckle arm 140 rotates clockwise in FIG. 6 about the second axis when the main body 110 rotates in the clockwise direction. This means that when the occupant leans to the left, the knuckle arm 140 rotates to the right based on the driving direction. As described above, when the rear two wheels rotate to the right along the driving direction, the front of the vehicle rotates to the left and the vehicle rotates to the left.

Although the above description has been made based on the fact that the steering device is implemented as a rear two-wheel steering device, the present invention is not limited to the rear two-wheel steering device, and is implemented as a front two-wheel steering device for switching the direction of two front wheels. It is also possible. In this case, the main body 110 may be rotated 180 degrees to be mounted at the front of the vehicle frame. In the case of the front two-wheel steering device, the knuckle arm 140 is rotated in the same direction as the occupant is inclined.

In the above described with reference to the accompanying drawings, the steering apparatus according to the present invention and a vehicle having the same, the present invention is not limited by the embodiments and drawings disclosed herein, it is within the scope of the technical idea of the present invention Various modifications can be made by those skilled in the art.

Claims (8)

A main body having first and second connections;
First and second axles rotatably connected to the first and second connecting parts about a first axis direction, respectively;
A pair of knuckle arms connected to the shafts of the wheels, respectively, between the first and second axles;
A pair of connecting rods connecting the main body and the knuckle arm and rotating the knuckle arm about a second axis direction when the main body rotates; And
And a ball joint unit for connecting the knuckle arm to the first and second axles in a ball joint manner so that the knuckle arm can tilt while rotating the body. The method of claim 1,
The first and second connectors are formed to protrude from the top and bottom of the body, respectively,
And the first and second axles are pin-connected to the first and second connectors, respectively. The method of claim 2,
Steering device, characterized in that formed on the one side of the second connecting portion is the rod connecting end is rotatably connected around the first axis direction. The method of claim 2,
And a balance maintaining unit disposed between the main body and the second axle and providing a support force to the main body in a direction opposite to the rotational direction when the main body rotates. The method of claim 4, wherein the equilibrium holding unit,
A first rod rotatably connected to the main body;
A second rod rotatably connected to the second axle and linearly coupled to the second rod; And
And a spring supporting the first and second rods. The method of claim 1, wherein the knuckle arm,
An arm main body to which the ball joint unit is connected;
Is formed on the side of the arm body, the shaft mounting portion that the shaft is mounted; And
And an extension part extending from the side of the arm body part, the connection rod being rotatably connected about the second axis direction. The method of claim 1, wherein the ball joint unit,
A rod end bearing coupled to the ends of the first and second axles; And
And a bolt fixed to the knuckle arm and coupled to the rod end bearing. frame; And
A vehicle installed on the frame, the vehicle comprising a steering apparatus according to any one of claims 1 to 7.
KR1020100051186A 2010-05-31 2010-05-31 Steering device and vehicle having the same KR101207915B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100051186A KR101207915B1 (en) 2010-05-31 2010-05-31 Steering device and vehicle having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100051186A KR101207915B1 (en) 2010-05-31 2010-05-31 Steering device and vehicle having the same

Publications (2)

Publication Number Publication Date
KR20110131644A true KR20110131644A (en) 2011-12-07
KR101207915B1 KR101207915B1 (en) 2012-12-04

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KR1020100051186A KR101207915B1 (en) 2010-05-31 2010-05-31 Steering device and vehicle having the same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012111396A1 (en) 2011-12-09 2013-06-13 Electronics And Telecommunications Research Institute Device for latching high-frequency-connectors for antenna module and antenna handle module in wireless communication system, has lock part utilizing bevel gear to connect connectors at pivot shaft of bevel gear elements on straight line

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100881576B1 (en) * 2007-11-10 2009-02-02 최진만 Self steering appratus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012111396A1 (en) 2011-12-09 2013-06-13 Electronics And Telecommunications Research Institute Device for latching high-frequency-connectors for antenna module and antenna handle module in wireless communication system, has lock part utilizing bevel gear to connect connectors at pivot shaft of bevel gear elements on straight line

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KR101207915B1 (en) 2012-12-04

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