KR101428853B1 - Semiplug-type sliding door system - Google Patents

Abstract

More specifically, the present invention relates to a sliding door, and more particularly, to a sliding door, which is simple in structure and improved in airtightness between a door and a vehicle body when the door is closed, effectively blocking noise and heat transmission between the vehicle interior and the outside, To a semi-plug type sliding door system capable of reducing generation of noise and vibration. According to the present invention, the operation guide unit 140 for guiding the operation of symmetrical reference axes of the first door 110a and the second door 110b, and a driving unit for driving the linear movement along the sliding direction, And a door opening and closing drive unit 130 having mover 133a and 133b that linearly move in correspondence with the door, and the operation guide unit 140 includes a first door guide unit 140a connected to the first door, And a second door guiding part 140b connected to the second door, wherein each of the first door guiding part and the second door guiding part includes a first guiding part 141a1, 141b1 Guiding rails (141a, 141b) having second guiding portions (141a2, 141b2) extending from the first guiding portion in the direction in which the corresponding door is closed and bent to the first guiding portion; A moving body (142a, 142b) having guide rollers (142a1, 142b1) coupled with the guide rails; A mover connecting link (143a, 143b) coupled to the corresponding mover and rotatably coupled with the moving body; And a door connecting link (144a, 144b) coupled to the corresponding door and rotatably engaged with the moving body.

Description

Semi-plug type sliding door system {SEMIPLUG-TYPE SLIDING DOOR SYSTEM}

More specifically, the present invention relates to a sliding door, and more particularly, to a sliding door, which is simple in structure and improved in airtightness between a door and a vehicle body when the door is closed, effectively blocking noise and heat transmission between the vehicle interior and the outside, To a semi-plug type sliding door system capable of reducing generation of noise and vibration.

In a large vehicle such as a railway vehicle or a bus, a door that is automatically opened and closed is provided so that a driver or a crew can open and close the entrance and exit through a simple operation.

Such an automatic opening and closing door has various opening and closing structures such as a sliding method and a turning method, and is operated by various driving devices such as an electric type and a hydraulic type. For example, a hydraulic or electric door system in which a pair of doors are opened and closed in a sliding manner is installed at an entrance of a subway (train) vehicle. Such a sliding type door system is advantageous in that it is relatively simple in structure and requires a low manufacturing cost.

However, since the sliding door system has a structure in which the door can not be brought into close contact with the vehicle body, a space apart from the door and the vehicle body is inevitably formed even when the door is closed. As a result, the interior and exterior of the vehicle are not properly sealed, external noises including driving noise of the vehicle are directly introduced into the room, energy for cooling and heating is wasted, Noise and vibration are generated. In addition, due to the step formed between the outer wall surface of the door and the outer wall surface of the vehicle, the drag and noise caused by the air during the running of the vehicle are largely generated, and foreign substances are deposited on the stepped portion between the vehicle body and the door, Or the rainwater is frozen to cause malfunction or failure of the door.

Problems of the sliding type door are getting worse as the vehicle speed is higher, and the demand for a higher speed of the vehicle is increasing. Accordingly, a plug door system has been proposed as a solution to this problem.

The door is opened or closed in such a manner that the door is inserted into a doorway, and the door is moved forward or backward along the inside of the wall surface or the pocket of the vehicle body and then inserted into the doorway, And the opening operation is performed in such a manner that the door is drawn out to the outside of the doorway and then moved to the side of the doorway along the wall surface of the vehicle body or inside the pocket.

As described above, since the door is closed in close contact with the inside of the doorway, airtightness by the door is improved, noise and heat transmission between the inside and outside of the vehicle is effectively blocked, and noise and vibration during running due to the door shaking are also prevented . Further, since there is no step between the outer wall surface of the door and the outer wall surface of the vehicle, the generation of drag and noise caused by air during traveling is remarkably reduced, and malfunction or failure due to foreign matter or freezing is prevented.

However, while the sliding system has a structure in which the door is moved in the uniaxial direction, that is, only in the direction along the wall of the vehicle, the plug door system must move the door in the biaxial direction, i.e. the direction along the wall of the vehicle and the front- Therefore, the power transmitting structure, the interlocking structure, and the supporting structure for opening and closing the door are inevitably complicated. Particularly, the conventional plug door system has a complicated structure using a plurality of link members and lever members as a means for interlocking movement in each axis direction, which requires a lot of manufacturing cost and maintenance cost, , The durability and the reliability of the operating portion deteriorate.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a semiconductor device capable of reducing the risk of malfunction and malfunction by improving the reliability of opening / closing operation and durability of the operating part, And it is an object of the present invention to provide a plug type sliding door system.

According to an aspect of the present invention, there is provided an apparatus for driving a door, the apparatus comprising: an operation guide unit for guiding an operation of symmetrical reference axes of a first door and a second door; And a door opening and closing driving unit including a mover that moves linearly in correspondence with the respective doors, wherein the operation guide unit includes a first door guide unit connected to the first door and a second door oil guide unit connected to the second door Wherein the first door guiding portion and the second door guiding portion each have a first guiding portion extending in a straight line along a sliding direction and a second guiding portion extending from the first guiding portion in a direction of closing the corresponding door, An induction rail having a second induction portion bent and extended with respect to the first induction rail; A moving body having a guide roller coupled with the guide rail; A mover connecting link coupled to the corresponding mover and rotatably coupled with the moving body; And a door connecting link coupled to the corresponding door and rotatably coupled to the moving body.

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The position at which the guide roller is coupled to the moving body and the position at which the door connecting link is coupled to the moving body are positioned further away from the position where the mover connecting link is engaged with the moving body toward the direction in which the door is closed.

The door opening and closing drive unit includes a mover support structure for supporting the mover.
The mover support structure includes: a mover rail; A mover roller that linearly moves in a sliding direction along the mover rails; And a mover coupling member coupled to the mover rollers and linearly moving in the sliding direction together with the mover rollers and engaged with the first and second mover.

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The position where the door connecting link and the moving body are coupled is located at the end of the moving body in the direction in which the door is closed.

According to the present invention, all the objects of the present invention described above can be achieved. Specifically, as described above, according to the present invention, it is possible to simplify the structure of the plug door system and improve the reliability and durability of the operating part, thereby reducing manufacturing and maintenance costs and eliminating the inconvenience and risk of malfunction and malfunction There is an effect that can be done.

1 is a front view showing an embodiment of a semi-plug type sliding door system according to the present invention.
FIG. 2 and FIG. 3 are plan views of the semi-plug type sliding door system shown in FIG. 1, each of which is opened and closed.
FIGS. 4 and 5 are side views of the semi-plug type sliding door system shown in FIG. 1, respectively, showing the opened state and the closed state.
6 is an enlarged view of a portion A in Fig.
FIG. 7 is an enlarged view of a portion B in FIG. 3; FIG.
FIG. 8 is an enlarged view of a portion C in FIG.

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

FIG. 1 is a front view showing an embodiment of a semi-plug type sliding door system according to the present invention, FIGS. 2 and 3 are plan views of a semi-plug type sliding door system shown in FIG. 1, And FIGS. 4 and 5 are side views of the semi-plug type sliding door system shown in FIG. 1, respectively, showing open and closed states, and FIG. 6 is an enlarged view of a portion A in FIG. FIG. 7 is an enlarged view of a portion B in FIG. 3, and FIG. 8 is an enlarged view of a portion C in FIG.

1 to 8, the semi-plug type sliding door system 100 includes a door portion 110, a door supporting portion 120, a door opening and closing driving portion 130, and a plugging operation inducing portion 140 do. The semi-plug type sliding door system 100 is fixed to a wall of a vehicle in which an entrance is formed, and opens and closes an entrance of the vehicle. Hereinafter, in the present embodiment, the left and right direction in which the wall of the vehicle extends is defined as the slide operation direction, and the direction perpendicular to the wall of the vehicle is defined as the plug operation direction. In this embodiment, a reference axis (CL in Fig. 1) extending substantially in the vertical direction is introduced so as to be perpendicular to the slide operation direction and the plug operation direction for easy explanation.

The door unit 110 includes a first door 110a and a second door 110b located on both sides of the reference axis CL along the sliding direction. The first door 110a and the second door 110b move toward and away from each other along the slide operation direction and open / close the doorway of the vehicle. In addition, the first door 110a and the second door 110b are movable toward or away from the wall of the vehicle along the plug operation direction.

The door supporting portion 120 includes a first door supporting structure 120a and a second door supporting structure 120b located on both sides of the reference axis CL along the sliding direction. The door support part 120 movably supports the first door 110a and the second door 110b with respect to the wall of the vehicle. In this embodiment, the door supporting portion 120 is described as being located outside the vehicle. The first door supporting structure 120a supports the first door 110a and the second door supporting structure 120b supports the second door 110b. In this embodiment, the first door supporting structure 120a and the second door supporting structure 120b each have a supporting rail 121, a supporting roller 122 linearly moving along the supporting rail in the sliding direction, And a door engaging member 123 which is coupled to the supporting roller and linearly moves together with the supporting roller 122 in the slide operation direction and to which the first door 110a and the second door 110b are respectively engaged. The first door 110a and the second door 110b are coupled to the door coupling member 123 so as to be movable only in the plug operation direction.

The door opening and closing drive unit 130 includes a drive motor 131 and a ball screw device. The door opening and closing drive unit 130 provides driving force to the first door 110a and the second door 110b. The driving motor 131 is an electric rotary motor capable of bi-directional rotation, and provides a rotational force for moving the first door 110a and the second door 110b.

The ball screw apparatus has a screw rod 132 and a linear moving part 133. [ The ball screw apparatus converts the rotational motion provided from the drive motor 131 into a linear motion. The screw rod 132 is installed on the upper portion of an entrance (not shown) of the vehicle so as to extend along the slide operation direction. The screw rod 132 has a separated first guide portion 132a and a second guide portion 132b which are located symmetrically with respect to the reference axis CL. The first guide portion 132a is located on the side corresponding to the first door 110a and the second guide portion 132b is located on the side corresponding to the second door 110b. The thread of the first guide portion 132a and the thread of the second guide portion 132b are formed in directions opposite to each other.

The straight line moving portion 133 includes a first slider 133a and a second slider 133b that linearly move along the slide operation direction by the rotation of the screw rod 132. [ The first mover 133a is linearly moved in accordance with the rotation of the first guide portion 132a of the screw rod 132 while the second mover 133b is moved in the direction of rotation of the second guide portion 132b of the screw rod 132 As shown in FIG. Since the threads of the first guide portion 132a and the second guide portion 132b are formed in opposite directions to each other, the first mover 133a and the second mover 133b are rotated in the rotational direction of the screw rod 132 So as to move toward or away from each other. The first mover 133a is connected to the first door 110a and the second mover 133b is connected to the second door 110b.

In the present embodiment, the ball screw device is described as having two screw parts 132, which are opposite in thread direction. However, two separate screw rods having the same thread direction may be used. It will be understood by those skilled in the art that the electric rotating motor is provided separately for each screw rod, and the rotational directions thereof are opposite to each other during operation.

In the present embodiment, an electric rotating motor for driving the ball screw unit and the ball screw unit is used as the door opening and closing drive unit. However, the present invention is not limited to such a structure, Any type of driving device capable of driving the door can be used as the door opening and closing driving part, and such a device is also included in the scope of the present invention.

The door opening and closing drive unit 130 further includes a mover support unit. The mover support portion further includes a first mover support structure 134a and a second mover support structure 134b. The mover support is installed inside the vehicle. The first mover support structure 134a movably supports the first mover 133a and the second mover support structure 134b movably supports the second mover 133b. In this embodiment, each of the mover supporting structures 134a and 134b includes a mover rail 135, a mover roller 136 that linearly moves in the sliding direction along the mover rails, And a mover coupling member 137 that linearly moves together with the first mover 133 and the second mover 133b in a sliding operation direction together with the first mover 133a and the second mover 133b.

The operation guiding part 140 includes a first door guiding part 140a and a second door guiding part 140b located on both sides of the reference axis CL along the slide operation direction. The operation inducing unit 140 induces operation of the first door 110a and the second door 110b. The first door guiding portion 140a is positioned on the first door 110a side to guide the operation of the first door 110a and the second door guiding portion 140b is guided to guide the operation of the second door 110b And is located on the side of the second door 110b.

The first door guide portion 140a includes a first guide rail 141a, a first moving body 142a, a first mover connecting link 143a, and a first door connecting link 144a.

The first guide rail 141a extends along the slide operation direction. The first induction rail 141a includes a first induction portion 141a1 and a second induction portion 141a2 mutually connected. The first guide portion 141a1 and the second guide portion 141a2 are sequentially positioned along the direction in which the first door 110a is closed. The first guiding portion 141a1 extends in a straight line parallel to the slide operation direction. The second guiding portion 141a2 extends from the first guiding portion 141a1 in a first direction (opposite to the first door 110a) in the plug operation direction at a predetermined angle.

The first moving body 142a is coupled to the first guide rail 141a through the first guide roller 142a1 to guide the motion. The first guide roller 142a1 rotates relative to the first moving body 142a about an axis parallel to the reference axis CL. The first moving body 142a is disposed at a position spaced more toward the direction in which the first door 110a is opened than the first guide roller 142a1 and an axis parallel to the reference axis CL As shown in Fig. The first moving body 142a is connected to the first door connecting link 144a and the reference axis CL at a position further separated from the position connected to the first mover connecting link 143a toward the closing direction of the first door 110a, And is rotatably coupled about a parallel axis.

The first mover connecting link 143a is fixedly coupled to the first mover 133a and rotatably coupled to the first moving body 142a.

The first door connecting link 144a is fixedly coupled to the first door 110a and rotatably engaged with the first moving body 142a. The position where the first door connecting link 144a and the first moving body 142a are engaged is located at the end of the first moving body 142a in the direction in which the first door 110a is closed.

The second door guide portion 140b includes a second guide rail 141b, a second moving body 142b, a second mover connecting link 143b, and a second door connecting link 144b.

And the second guide rail 141b extends along the slide operation direction. The second induction rail 141b includes a first induction portion 141b1 and a second induction portion 141b2 mutually connected. The first guiding portion 141b1 and the second guiding portion 141b2 are sequentially positioned along the direction in which the second door 110b is closed. The first guiding portion 141b1 extends in a straight line parallel to the slide operation direction. The second guiding portion 141b2 extends from the first guiding portion 141b1 in a first direction (opposite to the first door 110a) in the plug operation direction at a predetermined angle.

The second moving body 142b is coupled to the first guide rail 141b through the second guide roller 142b1 to guide the motion. The second guide roller 142b1 rotates relative to the second moving body 142b about an axis parallel to the reference axis CL. The second moving body 142b is disposed at a position spaced further from the second guide roller 142b1 toward the opening direction of the second door 110b than the second moving contact link 143b and the axis parallel to the reference axis CL As shown in Fig. The second moving body 142b is located at a position further away from the position connected to the second mover connecting link 143b toward the closing direction of the second door 110b than the second door connecting link 144b and the reference axis CL And is rotatably coupled about a parallel axis.

The second mover connecting link 143b is fixedly coupled to the second mover 133b and is rotatably coupled to the second mover 142b.

The second door connecting link 144b is fixedly coupled to the second door 110b and rotatably coupled to the second moving body 142b. The position where the second door connecting link 144b and the second moving body 142b are engaged is located at the end of the second moving body 142b in the direction in which the second door 110b is closed.

Now, the operation of the above embodiment will be described with reference to Figs. 1 to 8. Fig.

Figures 1 and 4 show the doors 110a and 110b fully open. The first guide roller 142a1 of the first moving body 142a of the first door guide portion 140a is positioned on the first guide portion 141a1 of the first guide rail 141a in such a state that the door is completely opened And the second guide roller 142b1 of the second moving body 142b of the second door guide portion 140b is positioned on the first guide portion 141b1 of the second guide rail 141b. In this state, when the door opening / closing drive part 130 is driven to close the first door 110a and the second door 110b, the first movable body 142a and the second The moving body 142b is moved toward the reference axis CL so that the first door 110a and the second door 110b are closed respectively by the first guide portion 141a1 and the second guide rail 141a1 of the first guide rail 141a 141b of the first guide portion 141b1. The first guide roller 142a1 and the second guide roller 142b1 then enter the second guide portion 141b1 of the first guide rail 141a and the second guide portion 141b1 of the second guide rail 141b, The first moving body 142a and the second moving body 142b are slightly rotated so that the tip end in the direction in which the first moving body 142a and the second moving body 142b are naturally closed face toward the inside of the vehicle. 3 and 5, when the first door 110a and the second door 110b are slightly moved (plugged in) to the inside of the vehicle, the first door 110a and the second door 110b are moved As shown in FIG. It will be understood by those skilled in the art that when the first door 110a and the second door 110b are opened, they operate in the opposite order as described above.

Although the present invention has been described with reference to the above embodiments, the present invention is not limited thereto. It will be understood by those skilled in the art that the foregoing embodiments are susceptible to modifications and variations that do not depart from the spirit and scope of the invention.

100: Semiplug sliding door system
110: door part 110a: first door
110b: second door 120: door support
120a: first door supporting structure 120b: second door supporting structure
130: door opening / closing drive part 131: drive motor
132: screw rod 133:
133a: first mover 133b: second mover
140: operation guide portion 140a: guide portion for first door
140b: guide portion for the second door

Claims (5)

(140) for guiding a movement of the first door (110a) and the second door (110b) symmetrically with respect to a reference axis, and a control unit for driving a linear movement along a sliding direction, And a door opening / closing drive unit (130) having moving mobiles (133a, 133b)
The operation guiding part 140 includes a first door guiding part 140a connected to the first door and a second door guiding part 140b connected to the second door,
The first door guiding portion and the second door guiding portion, respectively,
A first guide portion 141a1 and 141b1 extending in a straight line along the slide operation direction and a second guide portion 141a2 and 141b2 extending from the first guide portion in the direction in which the corresponding door is closed and bent to the first guide portion, Guide rails (141a, 141b) provided with the guide rails (141a, 141b);
A moving body (142a, 142b) having guide rollers (142a1, 142b1) coupled with the guide rails;
A mover connecting link (143a, 143b) coupled to the corresponding mover and rotatably coupled with the moving body; And
And a door connecting link (144a, 144b) coupled to the corresponding door and rotatably engaged with the moving body. The method according to claim 1,
The positions at which the guide rollers 142a1 and 142b1 are coupled to the moving bodies 142a and 142b and the positions at which the door connecting links 144a and 144b are coupled to the moving body are determined by the mover connecting links 143a and 143b, Is located further away from a position where the door is coupled to the moving body in a direction in which the door is closed. The method according to claim 1,
The door opening and closing drive unit (130) includes a mover support structure (134a, 134b) for supporting the corresponding mover (133a, 133b). The method of claim 3,
The mover support structures 134a and 134b include mover rails 135;
A mover roller (136) moving linearly along the mover rail in a sliding direction; And
And a mover coupling member (137) coupled to the mover rollers and linearly moved in a sliding operation direction together with the mover rollers and engaged with the first and second mover (133a, 133b) . The method according to claim 1,
Wherein a position where the door connecting links (144a, 144b) and the moving bodies (142a, 142b) are engaged is located at an end of the moving body in a direction in which the door is closed.

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