KR101608081B1 - secondary sliding foothold based on chain operating for vehicle with enhanced warping resistence - Google Patents

Abstract

The present invention relates to a technique for securing the appearance of an auxiliary footrest while securing the structural stability of an auxiliary footrest that slides on a lower portion of a side door of a vehicle while the auxiliary footrest is extended forward, It is possible to maintain a strong supporting force against the load applied from the upper part and to adopt a pressure-based operation pattern for the operation of the auxiliary footrest to prevent a safety accident by the auxiliary footrest when the auxiliary footrest is deployed, And the like. According to the present invention, it is possible to maximize the practical usability of the slide pedal portion by controlling the protrusion and depression of the slide pedal portion in conjunction with the opening or closing operation of the door of the vehicle side portion. It is possible to easily control the protruding and retreating operation of the slide pedal regardless of whether the door on the side of the vehicle is opened or closed so as to perform the cleaning or other maintenance of the slide pedal, There is also.

Description

[0001] The present invention relates to a chain-driving-based sliding-assisted footrest for vehicle mounting,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for securing control of protruding and retracting of an auxiliary footrest while maintaining the structural stability of an auxiliary footrest that slides on the lower side of a vehicle and protrudes and retracts.

More specifically, the present invention adopts a reinforced structure, so that it is possible to maintain a strong supporting force with respect to a load applied from the upper portion of the auxiliary footrest even when the auxiliary footrest is deployed forward, It is a technique to prevent the safety accident by the auxiliary footrest when the auxiliary footrest is deployed by using the operation pattern, to prevent the failure of the auxiliary footrest, and to improve the usability of the auxiliary footrest by interlocking with the side door of the vehicle.

Generally, since the floor of the cabin is much higher than the floor of the cabin, the side door portion of the vehicle is equipped with an auxiliary footrest which can slide in and out of the cabin to assist safe boarding and getting off.

However, there is a disadvantage that if a passenger with a lot of weight pushes an auxiliary footstep frequently, the auxiliary footstep easily breaks down.

In addition, although the door on the side of the vehicle of the auxiliary footrest is opened and serves as a stepping-stone when the passenger is getting on and off, the passenger is not interlocked with the door on the side of the vehicle. There is also a drawback that the usability is poor.

In addition, when there is a person standing adjacent to the vehicle in the course of the development of the auxiliary floor, there is a problem of causing a safety accident in accordance with the development of the auxiliary floor. In addition, in the course of the development of the auxiliary floor, There is a problem that the auxiliary stool itself is damaged.

Korean Patent Application No. 10-2009-0114231, "Scaffolding Device for Automatic Door of Electric Trains" Korean Patent Application No. 10-2012-0100196 "Auxiliary footrest for vehicle mounting" Korean Patent Application No. 10-2009-0012462 "Auxiliary footrest device for vehicle" Korean Patent Application No. 10-2008-0022638 "Auxiliary footrest device for a vehicle"

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a chain drive-based vehicle-mounted sliding auxiliary footrest which can maintain structural stability from a load even when the auxiliary footrest is deployed.

It is also an object of the present invention to provide a chain that can prevent a safety accident caused by the hitting or pushing of the auxiliary footrest which is deployed forward and prevent the breakdown of the auxiliary footrest from colliding with an external object when the auxiliary footrest is deployed. The present invention provides a sliding-assisted footrest for a vehicle-mounted vehicle.

It is also an object of the present invention to provide a chain drive-based vehicle-mounted sliding auxiliary footrest which can maximize the usability of the auxiliary footrest by interlocking the operation control of the auxiliary footrest with the side door of the vehicle.

In order to accomplish the above object, the present invention provides a chain-drive-based sliding assistance footrest for a vehicle, which is mounted on a lower portion of a door of a vehicle and slides forward and backward while being mounted on the vehicle, A slide foot plate for supporting a load; A plurality of guide blocks arranged on a lower surface of the slide pedestal portion and supporting the slide pedestal portion while moving integrally with the slide pedestal portion when the slide pedestal portion is moved forward and backward; A plurality of guide bars extending through the guide block such that the guide blocks are slidable in the forward and backward projecting and retracting directions of the slide guide plate; A chain part moving along the front and rear of the slide foot part in an endless track form and being fixedly connected to a lower surface of the slide foot part to move forward and backward of the slide foot part and to move the slide foot part forward and backward in conjunction with the movement; A drive pulley which is disposed at a position corresponding to the rear of the slide foot plate and moves the chain portion while rotating in the same direction; A driven pulley disposed in front of a slide pedal plate opposed to the drive pulley and rotated together with the drive pulley in accordance with the movement of the chain portion due to the rotation of the drive pulley while maintaining the tension of the chain portion; A drive motor connected to the drive pulley and applying a rotational force to the drive pulley; Based on the pressure-based operation pattern so as to control the forward and backward movement of the slide pedal by controlling the operation of the drive motor and to prevent the forward movement pressure of the slide pedal from exceeding a predetermined threshold value based on the rotation monitoring of the drive motor And a slide appearance controller for controlling the motor.

At this time, preferably, the slide show appearance controller sets the forward rotation load of the drive motor in advance as a separate operation pattern corresponding to a plurality of pressure patterns in which the slide footrest section moves forward with respect to the pressure-based operation pattern, When the reverse rotation load of the drive motor is received from an external force received by the slide footrest portion moving forward in accordance with the forward rotation operation of the drive motor, the drive motor is controlled to rotate reversely when the reverse rotation load exceeds a preset threshold value .

Further, the slide controller is disposed at the foremost position of the movement path of the guide block, detects that the guide block is located at the foremost position of the movement path, and transmits the sensed signal to the slide up / down controller so as to stop the forward rotation operation of the drive motor Rotational safety sensors; The slide controller is arranged in the rear end of the movement path of the guide block to detect that the guide block is positioned at the end of the movement path, and transmits the sensed signal to the slide up / down controller so as to stop the reverse rotation operation of the drive motor And a rotation safety sensor.

When the sliding door adjacent to the slide footrest portion is opened, the controller senses the opening motion of the slide door and transmits the sensed opening motion signal to the slide protrusion controller to control the forward rotation operation of the drive motor so that the slide footrest moves forward. An automatic mode control unit for sensing a closing operation of the driving motor and transmitting the sensed closing operation signal to the slide up / down controller so as to control the reverse rotation operation of the driving motor so that the slide footrest moves backward; The link between the detection of the opening or closing operation of the slide door and the movement control of the slide foot pedal is canceled and the slide up / down controller requests the slide up / down controller to move forward in response to the foot open user operation, And a manual mode control unit for causing the slide up / down controller to perform a reverse rotation operation of the drive motor by requesting the slide up / down controller to move backward of the slide foot plate in response to a foot close user operation.

A front side wall portion, which is disposed at the lower portion of the slide pedal portion and supports the lower portion of the driven pulley and the driven pulley, and has a predetermined portion bent forward, and a rear side wall portion, A lower plate fixedly supporting a front end portion and a rear end portion of the guide bar on the inner wall of the portion and the inner wall of the rear side wall portion; A front reinforcing block which is fixed to the front side wall part in a state where the front end portion of the guide bar is fitted and fixed and is closely supported on the bottom surface of the lower plate to prevent the guide bar from being stuck downward; And a rear reinforcing block which is fixed to the rear side wall part while being fitted and fixed to the rear end of the guide bar and is closely supported on the bottom surface of the lower plate to prevent the guide bar from being stuck downward.

On the other hand, the slide footrest preferably includes a plate portion formed with a plurality of cutting grooves penetrating in the vertical direction; And a rubber part which is made of a synthetic resin material having a predetermined elasticity and is in tight contact with the lower surface of the plate part to assist the elastic restoring force of the plate part and has a plurality of protrusions to be inserted into the incision groove on the upper surface thereof.

A predetermined portion of one end portion of the slitting foot plate portion is bent downward and a predetermined portion of the other end portion is bent downward. The one side wall portion and the other side wall portion of the lower plate An upper plate fixed to the upper plate; A first side guide frame fixedly connected to an inner wall of one side wall of the upper plate and guiding front and rear sliding of the slide pedal in a state where one end of the slide pedal is fitted; And a second side guide frame fixedly connected to an inner wall of the other side wall portion of the upper plate facing the first side guide frame and guiding front and rear sliding of the slide pedestal portion in a state where the other end of the slide pedal portion is fitted, desirable.

The present invention is characterized in that the slide footrest portion is directly seated, so that a plurality of guide blocks for supporting the load of the slide footrest portion, a plurality of guide bars receiving the load of the guide blocks as they are, So that the structural stability can be maintained from the load at the upper part (for example, the weight of a heavy person) even when the slide footrest is deployed.

In addition, according to the present invention, when the slide appearance controller monitors an external force received by a slide scaffold portion moving forward in accordance with a forward rotation operation of the drive motor, and when the reverse rotation load of the drive motor exceeds a preset threshold value as a result of the monitoring, So that it is possible to prevent a safety accident caused by the sliding footrest portion deployed forward and to prevent a breakdown of the sliding footrest portion from a collision with an external object when the sliding footrest portion is deployed.

In addition, the present invention has an advantage in that the actual usability of the slide pedal can be maximized by controlling the appearance of the slide pedal plate in conjunction with the opening or closing operation of the door on the vehicle side.

In addition, according to the present invention, the protruding / detaching motion control of the slide footrest portion is divided into the automatic mode and the manual mode, so that the manual exercise mode control can be easily controlled only by the slide footrest portion independently of the opening / There is also an advantage in that the door on the side of the vehicle can be closed when the pedestal is cleaned or other maintenance is performed.

1 is a perspective view showing a sliding assistance foot according to the present invention, FIG.
FIG. 2 is an exploded perspective view showing a sliding auxiliary footrest according to the present invention, FIG.
[Fig. 3] is a perspective view showing a part of the structure of the present invention,
[Fig. 4] is an enlarged view of a portion of [Fig. 3]
FIG. 5 is an exemplary view showing a slide assistant footrest according to another embodiment of the present invention, FIG.
FIG. 6 is a block diagram of an individual configuration to be linked to control the operation of the sliding assistance footrest according to the present invention. FIG.

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing a sliding supporting foot according to the present invention, FIG. 2 is an exploded perspective view showing a sliding supporting foot according to the present invention, and FIG. FIG.

1 to 3, a chain-driven vehicle-mounted sliding footrest according to the present invention includes a slide foot 10, a guide block 20, a guide bar 30, 40, a driving pulley 50, a driven pulley 60, a driving motor 70, a lower plate 81, an upper plate 82, a front reinforcing block 91, a rear reinforcing block 92, A guide frame 93, a second side guide frame 94, and a slide up / down controller 100.

The slide footrest 10 is configured to slide forward and backward while being slid in a state of being mounted on a lower portion of a door of a vehicle, and to support a load from the upper portion in a forwardly deployed state.

The guide block 20 is disposed on the lower surface of the slide pedal 10 and supports the slide pedal 10 while moving integrally with the slide pedal 10 when the slide pedal 10 is moved forward and backward. It is preferable that the guide block 20 is disposed in a plurality so as to support a large area of the slide pedal 10 in a balanced manner.

The guide bar 30 is extended in the forward and backward protruding and retracting directions of the slide pedestal portion 10 through the guide block 20 so that the guide block 20 can be slid and a large area of the slide pedestal portion 10 It is preferable to arrange them in a plurality so as to be supported in a balanced manner.

The chain portion 40 is chain-moved along the front and rear of the slide pedestal portion 10 in the form of an endless track and fixedly connected to the lower surface of the slide pedestal portion 10 to move back and forth of the slide pedestal portion 10 And the slide footrest portion 10 is caused to come and go back and forth in cooperation with this.

The drive pulley 50 is disposed at a position corresponding to the rear side of the slide pedal portion 10 and moves the chain portion 40 while rotating in place. The driven pulley 60 is disposed in front of the slide pedal portion 10 opposed to the drive pulley 50 and rotates together with the drive pulley 50 while maintaining the tension of the chain portion 40, And is configured to rotate in accordance with the movement of the chain portion 40 along with the rotation.

The drive motor 70 is connected to the drive pulley 50 to apply a rotational force to the drive pulley 50 and preferably to a vertical upper portion of the drive pulley 50, And is detachably connected to the driving pulley 50 fixed to the bottom surface of the lower plate 81. [

The lower plate 81 includes a front side wall portion 81a disposed at a lower portion of the slide pedal portion 10 and supporting a lower portion of the driven pulley 50 and the driven pulley 60, And the front and rear ends of the guide bar 30 are fixed and fixed to the inner wall of the front side wall portion 81a and the inner wall of the rear side wall portion 81b by a rear side wall portion 81b, .

The upper plate 82 is disposed at an upper portion of the slanting foot plate 10 and has a side wall portion in which a predetermined portion of one end portion is bent downwardly and another side wall portion in which a predetermined portion of the other end portion is bent in a downward direction, And the side wall portion and the other side wall portion are engaged and fixed to the lower plate 81.

The front reinforcing block 91 is fixed to the front side wall portion in a state where the front end portion of the guide bar 30 is fitted and fixed and is closely supported on the bottom surface of the lower plate 81 to prevent the guide bar 30 from being stuck downward.

The rear reinforcing block 92 is fixed to the rear side wall part in a state where the rear end of the guide bar 30 is fitted and fixed and is closely supported on the bottom surface of the lower plate 81 to prevent the guide bar 30 from being stuck downward.

3, a plurality of guide blocks 20 for supporting the load of the slide pedal portion 10 and directly bearing the slide pedal portions 10 and the load of the plurality of guide blocks 20 And the front and rear reinforcing blocks 91 and 92 connected to both ends of the plurality of guide bars 30 are formed in the shape of a circular body so that the slide pedestal portion 10 is in a deployed state There is an advantage in that the structural stability can be maintained from a heavy load (for example, the weight of a heavy person) from the upper surface of the slide pedal portion 10.

The front and rear reinforcing blocks 91 and 92 connected to the guide bars 30 and the opposite end portions of the plurality of guide bars 30 in the form of a circular body are fixed to the bottom surface of the lower plate 81, And can be firmly fixed to the lower plate 81 which is directly abutted against the vehicle by being seated on the upper surface of the lower plate 81.

The first side guide frame 93 is fixedly connected to the inner wall of one side wall of the upper plate 82 and guides the front and rear sliding of the slide pedestal 10 in a state where one end of the slide pedestal 10 is fitted .

The second side guide frame 94 is fixedly connected to the inner wall of the other side wall portion of the upper plate 82 opposed to the first side guide frame 93 and is inserted into the slide pedal Rearward sliding of the sliding door 10 is guided.

The slide show controller 100 controls the operation of the drive motor 70 to control the forward and backward movement of the slide pedal portion 10 and controls the movement of the slide pedal portion 10 The drive motor 70 is controlled in accordance with the pressure-based operation pattern so that the pressure of the forward movement does not exceed a predetermined threshold value.

[Fig. 4] is an enlarged view showing a part of [Fig. 3]. 4, the chain portion 40 is connected to the drive pulley 50 and the driven pulley 60 in an endless track form while maintaining a predetermined tension. That is, when the drive motor 70 applies a rotational force to the drive pulley 50, the drive pulley 50 rotates in place and moves the chain 40, and the driven pulley 60 rotates in conjunction with the drive.

Here, the connecting portion fixing portion 41 is provided at a predetermined position of the chain portion 40. The connection fixing portion 41 is fixedly connected to the lower surface of the slide pedal portion 10 and is fixedly connected to the slide pedal portion 10 preferably through a bolt (not shown) penetrating the connection fixing portion 41.

As a result, while the chain portion 40 moves between the drive pulley 50 and the driven pulley 60, the slide pedal portion 10 fixed to the connection fixing portion 41 also moves together.

When the chain portion 40 moves due to the rotation of the drive pulley 50, the portion where the connection fixing portion 41 is located reciprocates linearly between the drive pulley 50 and the driven pulley 60, Thereby inducing the appearance of the portion 10. At this time, it is preferable that the connection fixing portion 41 does not move to the line that rotates the drive pulley 50 or the driven pulley 60. This is because only the front and rear projecting / (40) moves.

5 (a) and 5 (b) are views showing an example of a slide supporting foot according to another embodiment of the present invention. In particular, FIG. 5 (a) shows a state in which the plate portion 11 and the rubber portion 12 are separated (B) of FIG. 5 shows the combined state of the plate portion 11 and the rubber portion 12. As shown in FIG.

Referring to FIG. 5, the slide pedal 10 preferably includes a plate portion 11 and a rubber portion 12.

The plate portion 11 is preferably formed of a flat metal and has a plurality of cut-out grooves 11a penetrating in the vertical direction of the body.

The rubber portion 12 is brought into close contact with the lower surface of the plate portion 11 to assist the elastic restoring force of the slide pedal portion 10. When the load is applied from the upper surface of the slide pedal portion 10, the front portion of the slide pedal portion 10 can be struck. The rubber portion 12 is made of a synthetic resin material having a predetermined elastic force, So as to prevent the plate portion 11 from being bent.

On the other hand, the rubber portion 12 has a plurality of protrusions 12a which are fitted in the cutout groove 11a on the upper surface thereof. That is, when the upper surface of the rubber part 12 is in close contact with the lower surface of the plate part 11, the projecting part 12a is configured to be inserted into the cutting groove 11a formed in the plate part 11.

The side wall of the projecting portion 12a is brought into close contact with the inner wall of the cutout groove 11a in the state where the projecting portion 12a is fitted in the cutout groove 11a so that the force of the slide footing portion 10 to be bent from the load So that the elastic restoring force of the plate portion 11 is assisted.

The slide pedal portion 10 including the plate portion 11 and the rubber portion 12 is inserted into the first and second side guide frames 93 and 94 The front and backward projecting and retracting operations are performed. Since the slide pedal portion 10 has a predetermined elastic restoring force due to the presence of the rubber portion 12, the durability of the first and second side guide frames 93 and 94 is improved from the load applied to the slide pedal portion 10 There is also an advantage to.

On the other hand, the projecting portion 12a protruding upward from the cutout groove 11a also serves to prevent the foot of the user who slides on the slide footrest 10 from slipping.

FIG. 6 is a block diagram of an individual configuration to be linked to control the operation of the sliding assistance footrest according to the present invention. FIG. 6, the present invention further includes an automatic mode control unit 110, a manual mode control unit 120, a forward rotation safety sensor 210, and a reverse rotation safety sensor 220.

The slide show controller 100 controls the operation of the drive motor 70 to control the forward and backward outgoing and outward movements of the slide footrest 10 and controls the slide footrest 10 Based on the pressure-based operation pattern so that the pressure of the forward movement of the driving motor 70 does not exceed a predetermined threshold value.

To this end, the slide show appearance controller 100 sets the forward rotation load of the drive motor 70 in advance in accordance with a plurality of pressure patterns in which the slide pedal portion 10 moves forward with respect to the pressure-based operation pattern, .

In addition, the slide show appearance controller 100 determines whether the drive motor 70 is in an inverse position, from an external force received by the slide pedal portion 10, which moves forward in accordance with the forward rotation operation of the drive motor 70 corresponding to the previously set individual operation pattern And monitors whether the rotating load is received through the monitoring unit 101 provided in the slide show controller 100. [

That is, when the monitoring unit 101 monitors the signal transmitted from the encoder 71 of the driving motor 70, if the reverse rotation load of the driving motor 70 exceeds a preset threshold value, the driving motor 70 So as to perform reverse rotation operation.

On the other hand, the forward rotation safety sensor 210 detects that the guide block 20 is positioned at the foremost position of the movement path of the guide block 20, and transmits the sensed signal to the slide show controller 20 And the slide show controller 100 stops the forward rotation operation of the drive motor 70. [

That is, the forward rotation safety sensor 210 stops the rapid movement of the slide pedestal 10 in the forward direction or moves the guide block 20 along the guide bar 30 to the front side wall portion 81a.

The reverse rotation stop sensor 220 is disposed at the rear end of the movement path of the guide block 20 to detect that the guide block 20 is positioned at the end of the movement path and transmits the sensed signal to the slide up / And the slide show controller 100 stops the reverse rotation of the drive motor 70. [

That is, the reverse rotation stop sensor 220 may stop suddenly or cause the guide block 20 to move along the guide bar 30 in the course of backward movement of the slide guide 10, 81b.

On the other hand, by dividing the control of the protruding / detaching operation of the slide pedal portion 10 into the automatic mode and the manual mode, the protruding / retreating operation of only the slide pedal portion 10 is easily controlled regardless of the operation of opening or closing the sliding door of the vehicle side, There is also an advantage that the sliding door of the side portion of the vehicle can be carried out even when the scaffold portion 10 is cleaned with water or other maintenance.

To this end, the operation button unit 130 is provided in the interior of the vehicle so that the sliding and sliding of the slide foot unit 10 can be interlocked with the sliding door (not shown) or operated independently of the sliding door.

In detail, the operation button unit 130 may include an auto button 131, an open button 132, a close button 133, and a reset button 134.

First, when switching on the auto button 131 is performed by a user operation, the automatic mode is entered and the protruding and retreating operation of the slide pedal 10 is controlled according to the algorithm of the automatic mode control unit 110.

When the switch-on operation is performed on the open button 132 or the close button 133 by the user's operation, the user enters the manual mode and moves up and down the slide pedal 10 according to the algorithm of the manual mode control unit 120 Respectively.

On the other hand, when the user presses the reset button 134 provided on the operation button unit 130, switching on is performed by the user's operation, the auto button 131, the open button 132, The user operation of the auto button 131, the open button 132, and the close button 133 is not generated due to no input of the user operation for the user 133.

First, when switching on the auto button 131 is performed by a user operation, the automatic mode control unit 110 detects the opening of the slide door (not shown) adjacent to the slide pedal 10, And controls the forward rotation operation of the drive motor (70) so that the slide pedal (10) is moved forward by transmitting an opening operation signal to the slide up / down controller (100).

The automatic mode control unit 110 senses the closing operation of the slide door (not shown) and transmits the sensed closing operation signal to the controller 100 to move the slide pedal unit 10 backward And is configured to control the reverse rotation operation of the motor (70).

Here, in order to detect the opening or closing of the slide door, a door open / close notification unit 300 is preferably provided to the vehicle body adjacent to the slide door. For example, when the slide door is closed, the door open / close notification unit 300 transmits a closed signal to the slide up / down controller 100 on the inner side wall of the slide door. When the slide door is opened, And transmits the open signal resulting from the release to the slide up / down controller 100.

In this way, the automatic mode control unit 110 controls the appearance of the slide pedal unit 10 in conjunction with the operation of opening or closing the sliding door provided at the vehicle side, thereby maximizing the practical usability of the slide pedal plate unit 10 .

The manual mode control unit 120 controls the linkage between the detection of the opening or closing operation of the slide door (not shown) and the movement control of the slide pedal depressor 10 And the slide up / down controller 100 requests forward movement of the slide pedestal portion 10 to the slide show controller 100 in response to the pedestrian open user operation so that the slide up / down controller 100 performs forward rotation operation of the drive motor 70. [

When the user turns on the close button 133, the manual mode control unit 120 determines whether the slide door (not shown) is open or closed and the slide pedal 10 The sliding attachment / detachment controller 100 causes the drive motor 70 to rotate in the reverse direction by requesting the slide controller 100 to move backward in accordance with the footrest closing user operation.

Thus, the passive mode control unit 120 can easily control the protruding and retreating operation of only the slide pedal board 10 regardless of the operation of opening or closing the sliding door (not shown) provided on the vehicle side, There is also an advantage in that the sliding door on the side of the vehicle can be closed when water is cleaned or other maintenance is performed. In the conventional art in which the manual mode control is not distinguished, there is an inconvenience that the sliding door of the vehicle must be opened in order to clean the slide pedestal portion 10.

10:
11: plate portion
11a: incision groove
12: Rubber part
12a:
20: guide block
30: Guide bar
40:
41:
50: Driving pulley
60: driven pulley
70: drive motor
71: Encoder
81: Lower plate
81a:
81b:
82: upper plate
91: front reinforcing block
92: rear reinforcement block
93: first side guide frame
94: second side guide frame
100: slide show controller
101: Monitoring section
110: Automatic mode control unit
120: Manual mode control unit
130: Operation button section
131: AUTO button
132: Open Button
133: Close button
134: Reset button
210: Forward rotation safety sensor
220: Reverse rotation safety sensor
300: Door open / close notification unit

Claims (7)

A slide pedal part (10) slidably mounted on a lower part of a door of a vehicle to perform forward and backward projecting and outward movement and supporting a load from an upper part in a forwardly deployed state;
A plurality of guide blocks (20) disposed on a lower surface of the slide footrest and supporting the slide footrests while moving integrally with the slide footrests when the slide footrests move forward and backward;
And a chain stopper which is connected to the lower surface of the slide pedestal and moves forward and backward of the slide pedestal portion to move the slide pedestal portion forward and backward in cooperation with the chain, (40);
A drive pulley (50) disposed at a position corresponding to a rear side of the slide pedal portion and moving the chain portion while rotating in place;
A driven pulley 60 disposed in front of the slide pedal plate opposed to the drive pulley and rotated together with the drive pulley in accordance with the movement of the chain portion in accordance with the rotation of the drive pulley while maintaining the tension of the chain portion;
A drive motor (70) connected to the drive pulley and applying a rotational force to the drive pulley;
A front sidewall portion which is directly abutted to the lower portion of the door of the vehicle corresponding to the lower portion of the slide footrest portion to support a lower portion of the drive pulley and the driven pulley and a predetermined portion of the front portion is bent upward, A lower plate (81) having a rear side wall portion bent in a direction of the lower plate (81);
A front reinforcing block (91) arranged in a block shape along the longitudinal direction of the front side wall part and closely supported on the bottom surface of the front side wall part and the bottom plate;
A rear reinforcing block (92) disposed symmetrically with the front reinforcing block in block form along the longitudinal direction of the rear side wall part and closely supported on the bottom surface of the rear side wall part and the bottom plate;
The guide block is slidably inserted into the guide block and extended in the forward and backward directions of the slide pedestal so as to be slidable. One end of the guide block is spaced apart from the one end of the front reinforcing block by a predetermined distance to the front reinforcing block, And the other end is integrally connected to the rear reinforcing block at a predetermined distance from one end of the rear reinforcing block to a central portion of the rear reinforcing block so as to be symmetrical with respect to the front reinforcing block and the rear reinforcing block Guide bars 30;
Wherein the controller controls the forward and backward movement of the slide footrest by controlling the operation of the drive motor so that the pressure of the forward movement of the slide footrest does not exceed a preset threshold based on the monitoring of rotation of the drive motor, A slide appearance controller (100) for controlling the drive motor according to a pattern;
Wherein the torsional stiffness is improved.
The method according to claim 1,
The slide show controller (100)
Based on the pressure-based operation pattern, a forward rotation load of the drive motor in association with a plurality of pressure patterns for moving the slide footrest forward,
When the reverse rotation load of the drive motor is received from the external force received by the slide footrest portion moving forward in accordance with the forward rotation operation of the drive motor corresponding to the individual operation pattern, if the reverse rotation load exceeds a preset threshold value Wherein the driving motor is controlled to rotate in a reverse direction, wherein the driving motor is controlled to rotate in a reverse direction.
The method of claim 2,
Wherein the controller detects the position of the guide block at the foremost position of the movement path of the guide block and transmits the detected signal to the slide up / down controller so that the slide up / down controller stops the forward rotation operation of the drive motor A forward rotation safety sensor 210 for causing the rotation sensor 210 to rotate;
Wherein the slide block controller is disposed at a rear end of the movement path of the guide block to detect that the guide block is positioned at the end of the movement path and transmits the sensed signal to the slide up / A reverse rotation safety sensor 220 for stopping the rotation of the vehicle;
Wherein the torsional rigidity is improved by adjusting the torsional rigidity of the torsion spring.
The method of claim 3,
And controls the forward rotation operation of the drive motor so that the slide footrest moves forward by sensing the open operation signal of the slide door adjacent to the slide footrest when the slide door is opened, An automatic mode control unit (110) for detecting a closing operation of the slide door and transmitting a sensed closing operation signal to the slide appearance controller to control the reverse rotation operation of the driving motor so that the slide footrest moves backward;
The linkage between the detection of the opening or closing operation of the slide door and the movement control of the slide footrest is canceled and the forward / backward movement of the slide footrest is requested to the slide up / down controller corresponding to the footrest open user operation, A manual mode control unit 120 for allowing the slide up / down controller to operate the drive motor in the reverse direction by requesting the slide up / down controller to move backward in correspondence with a foot step closing user operation, );
Wherein the torsional rigidity is improved by adjusting the torsional rigidity of the torsion spring.
delete The method of claim 4,
The slide footrest (10)
A plate portion 11 having a plurality of cut-out grooves 11a penetrating in the vertical direction;
A rubber part 12 made of a synthetic resin material having a predetermined elasticity and closely attached to a lower surface of the plate part to support elastic restoring force of the plate part and having a plurality of protrusions 12a fitted to the cutout groove on an upper surface thereof;
Wherein the torsional rigidity of the torsion spring is increased.
The method of claim 6,
Wherein the one side wall portion and the other side wall portion, which are disposed on the upper portion of the slide footrest portion and have a predetermined portion of the one end portion bent downwardly and a predetermined portion of the other end portion bent downwardly, An upper plate (82) fixedly engaged with the plate;
A first side guide frame (93) fixedly connected to an inner wall of one side wall of the upper plate and guiding front and rear sliding of the slide pedal in a state where one end of the slide pedal is fitted;
A second side guide frame (94) fixedly connected to an inner wall of the other side wall portion of the upper plate facing the first side guide frame and guiding front and rear sliding of the slide pedal portion in a state where the other end of the slide pedal portion is fitted, ;
Wherein the torsional rigidity is improved by adjusting the torsional rigidity of the torsion spring.

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