KR920006608Y1 - Sliding door for vehicle - Google Patents

Abstract

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Description

Sliding device of car sliding door

1 is an exploded perspective view showing a door front end of the sliding device according to the present invention.

2 is an exploded perspective view of the rear end of the door not shown in FIG.

3 is a side cross-sectional view partially showing an upper coupling structure of the door shown in FIG.

4 is a side cross-sectional view partially showing a lower engagement structure of the door shown in FIG.

Figure 5 is a side cross-sectional view partially showing the upper coupling structure of the door shown in FIG.

6 is a side cross-sectional view partially showing a lower engagement structure of the door shown in FIG.

Figure 7 is a side cross-sectional view schematically showing the operating state of the upper end of the door according to the present invention.

Figure 8 is a side cross-sectional view schematically showing the operating state of the lower end of the door according to the present invention.

9 is an exploded perspective view showing a modification of the rear end of the door of the sliding device according to the present invention corresponding to FIG.

FIG. 10 is a side sectional view partially showing a lower engagement structure of the door shown in FIG.

FIG. 11 is a side sectional view partially showing an upper coupling structure of the door shown in FIG.

* Explanation of symbols for main parts of the drawings

1 door 14 rear second rail

14 ': revolving part 15, 16: rear third rail

17: rear first arm 22: rear second lower rail

22 ': rear third rail 23: guide roller

27: rear second arm 31: displacement portion

The present invention relates to a sliding device of a sliding door for a vehicle, and more particularly, to a sliding device of a sliding door for a vehicle that can simplify the structure of the vehicle body and improve the aesthetics of the vehicle and the bearing capacity of the door. .

Sliding doors have the advantage that the space required for opening and closing of the door may be narrow compared with the door of the swing-type door, and also because the effective opening rate of the door is large, it is easy to unload or load the cargo of the occupant.

The sliding door has a structure in which the door overlaps the outer sidewall of the vehicle according to the open state, and a structure in which the door is accommodated in the space by providing a space in which the door can be accommodated inside the sidewall of the vehicle.

In the case of small vans, the doors are generally overlapped along the outer side of the side walls for efficient use of the internal space.

In the above-described manner, the door should be aligned to form a flat surface with the outer surface of the side wall in the closed state, and for this purpose, a guide rail for guiding the door is installed in the vehicle body.

The door is maintained at a certain height by a separate support structure and slides smoothly on the guide rail.

The sliding door support structure, which is conventionally applied in a small van, consists of upper and lower arms fixed to the upper and lower ends of the front door, and a center arm fixed to the central rear end of the door, and guides the rollers installed at these three arm tips. It consists of a rail arranged in the vehicle body in a position where it can be.

This sliding door support structure, called the three-point support method, has poor aesthetics, especially because the center rail protrudes strongly from the outside, and in addition, the sensor rail and accompanying accessories lead to an increase in the number of parts resulting in an increase in manufacturing cost. Of course, there is a problem of complicated assembly work.

The present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to provide a sliding device of the sliding door for automobiles that can omit the above-described center rail, simplifying the structure of the vehicle body and parts In order to reduce the number and improve the body aesthetics and to make the sliding door more structurally stable, the sliding door can be opened and closed smoothly.

In order to achieve the object as described above, the present invention has an upper rail and a lower rail fixed to the upper and lower ends of the rear end of the door, and two rollers positioned at the upper rail are rotatably coupled to one end and the other end. The upper arm hinged to the vehicle body at the rear end of the door and the guide roller located at the lower rail are rotatably coupled to one end, and the other end of the lower arm hinged to the vehicle body at the rear end of the door. Provided is a sliding device for a sliding door for a vehicle configured.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is an exploded perspective view of a front end portion showing an embodiment of a sliding device according to the present invention, in which reference numeral 1 denotes a door.

The front first arm 2 is fixedly installed above the front end of the door 1, and the front upper roller 4 is vertically formed at the free end of the front first arm 2 by the front upper shaft 3. It is supported by and can rotate.

In response to the front upper roller 4, the front first rail 5 is fixed to the vehicle body.

The front upper roller 4 is coupled to the front first rail 5 at the free end of the front first arm 2 as shown in FIG.

The front first rail 5 is fixed to the vehicle body, and the end portion thereof is curved as rapidly as in the prior art.

Referring again to FIG. 1, a front second arm 6 which is bent to hold the horizontal portion 6a and the vertical portion 6b integrally is fixedly attached to the lower side of the front end of the door 1.

The mounting plate 7 is fixed to the horizontal portion 6a, and the front horizontal roller 9 is rotatably installed on the front vertical shaft 8 of the mounting plate 7, and the vertical portion ( The front vertical roller 11 is rotatably installed on the front horizontal shaft 10 of 6b).

The front second rail 12 is fixed to the front horizontal roller 9, and the front third rail 13 is fixed to the front vertical roller 11.

4 illustrates a state in which the front horizontal roller 9 and the front vertical roller 11 are assembled to be guided by the front second rail 12 and the front third rail 13, respectively.

In this case, the front second rail 12 has the same shape as that of the front first rail 5, and the end portion thereof is rapidly curved, but the front third rail 13 extends in a straight line, and the front agent The two rails 12 are fixedly attached to the upper bottom surface of the front third rail 13.

2 is an exploded perspective view showing the rear end of the slide door according to the present invention.

The rear first rail 4 is attached to the upper wall of the rear end of the door 1, and the rear end of the rear first rail 14 has a swivel portion 14 'protruding roundly.

The pair of rear upper rollers 15 and 16 slides on the rear first rail 14.

The pair of rear upper rollers 15 and 16 is rotatably supported by the rear upper side 18 and 19 disposed on the rear first arm 17, and the rear first arm 17 is the vehicle body. Connected to the rear first bracket 20 fixedly attached to the pin 21 is arranged to be pivotable.

5 illustrates a state in which a pair of rear upper rollers 15 and 16 are assembled to slide on the rear first rail 14.

In addition, the lower side of the rear end of the door 1 has a rear second rail 22 and a rear third rail 22 'which are arranged orthogonal to each other.

Guide rails 23 and rear horizontal rollers 24 are slidably installed on these rails 22 and 22 ', respectively.

The rear horizontal roller 24 is horizontally positioned by the rear first vertical shaft 28 at the free end of the rear second arm 27 connected by the pin 26 to the rear second bracket 25 fixedly attached to the vehicle body. Rotatably supported.

The guide roller 23 is vertically rotatably supported by the rear second vertical shaft 29 of the rear third bracket 30 that is riveted to the rear second arm 27.

6 illustrates a structure in which the guide roller 23 and the rear horizontal roller 24 are coupled to travel on the rear second rail 22 and the rear third rail 22 ', respectively.

Referring again to FIG. 2, the end of the rear third rail 22 ′ is bent onto the “−W__” by the displacement part 31 so that the door 1 sliding through the rear horizontal roller 24 is formed. It is possible to change the position through the displacement portion 31.

In the sliding device of the present invention configured as described above, the front upper roller 4 disposed above the front end of the door 1 is positioned on the front first rail 5 fixed to the vehicle body, and the rear end of the door 1 is located above. A pair of rear upper rollers 15 and 16 connected to the vehicle body are positioned at the rear first rail 14 fixed to the rear rail.

In addition, the front horizontal roller 9 is positioned at the front second rail 12 fixed to the lower side of the vehicle body, and the front vertical roller 11 is positioned at the front third rail 13, respectively. The guide roller 23 connected to the vehicle body is positioned on the rear second rail 22 fixed to the lower side, and the rear horizontal roller 24 connected to the vehicle body is positioned on the rear third rail 22 '.

FIG. 7 depicts the operation relationship that the upper support structure of the door 1 performs when opening and closing in the apparatus of the present invention described above.

When the door 1 is opened, the front upper roller 4 positioned at the front first rail 5 moves to a straight portion out of the curved portion and is located at the turning portion 14 'of the rear first rail 14. When the pair of rear upper rollers 15 and 16 that rides out of the inner surface of the turning portion 14 ', one rear upper roller 15 swings the other rear upper roller 16 in the center of gravity. It is displaced from the turning part 14 'and is displaced in a state arranged side by side in a straight line.

FIG. 8 depicts the operating relationship that the lower support structure of the door 1 performs when opening and closing in the apparatus of the present invention described above.

As shown in the drawing, the front horizontal roller 9 located on the front second rail 12 also starts to move from the curved portion to the straight portion, and is located on the displacement portion 31 of the rear third rail 22 '. The rear horizontal roller 24 starts to move with the guide roller 23 while leaving the straight portion.

As a result, the door 1 is opened side by side on the side wall of the vehicle, as indicated by the dashed line in the figure.

On the contrary, when the door 1 is closed, the rear first arm 17 and the rear second arm 27 are rotated inward with the pins 21 and 26 as the axes, respectively, and the front upper roller 4 and Since the front horizontal roller 9 enters the end side curved portions of the front first and third rails 5 and 13, respectively, the door 1 is closed in a state coinciding with the side wall of the vehicle.

9 shows a modification of the door rear end side of the sliding device according to the present invention.

In this modification, the rear first rail 14 is provided on the lower side of the rear end of the door 1, and similarly, one side end thereof forms a rounded bent portion 14 '.

In the rear first rail 14, a pair of rear upper rollers 15 and 16 are also positioned and slide, and the rear upper shaft 18 supporting these rear upper rollers 15 and 16 ( The rear first arm 17 provided with 19 is pivotally connected to the rear first bracket 20 fixedly attached to a position corresponding to the lower side of the rear end of the door 1 in the vehicle body.

FIG. 10 illustrates a state in which the pair of rear upper rollers 15 and 16 described above are assembled to slide on the rear first rail 14.

Referring back to FIG. 9, the rear second rail 22 and the rear third rail 22 ′ are disposed orthogonally to each other at a position corresponding to the lower side of the rear end portion of the door 1 in the vehicle body.

Guide rails 23 and rear horizontal rollers 24 are slidably installed on these rails 22 and 22 ', respectively.

The guide roller 23 and the rear horizontal roller 24 are rear second pivotally connected by the pin 26 to the rear second bracket 25 fixedly attached to the upper end of the rear end of the door 1. At the free end of the arm 27, it is rotatably supported by the rear first and second vertical shafts 28, 29.

FIG. 11 illustrates a structure in which the guide rollers 23 and the rear horizontal rollers 24 are coupled to travel on the rear second rail 22 and the rear third rail 22 ', respectively.

Referring again to FIG. 9, the displacement portion 31 is also formed at the end of the rear third rail 22 '.

The opening and closing operation of the door 1 according to the modified example of the present invention is the same as in FIG. 8 described above. Therefore, a modification of the present invention is to illustrate that the rear end supporting structure of the door may be shifted up and down.

As described above, in the sliding device of the present invention, there is no center rail protruding to the outside of the door, thereby improving aesthetics, and supporting members for mounting the center rail are not required. In addition, since the door is stably supported by four arms, the door has an advantage of smooth opening and closing.

Claims (3)

The rear first rail 14 and the rear second and third rails 22 and 22 'are respectively provided above and below the rear end of the door 1 and correspond to the rear end of the door 1 in the vehicle body. The rear first rail 14 is a pair of rear upper rollers 15 and 16 held by the rear first arm 17 connected by the pin 21 to the rear first bracket 20 attached to the position. And a guide roller of the rear second arm 27 connected by a pin 26 to the rear second bracket 25 attached to a position corresponding to the rear end of the rear end of the door 1 in the vehicle body. 23) and a rear horizontal roller (24), the sliding device of the sliding slider for a vehicle, characterized in that the configuration is rotatably positioned in the rear second and third rails (22) (22 '), respectively. 2. The sliding device of claim 1, wherein the rear first rail (14) has a pivot (14 ') at its end. 2. The sliding device of claim 1, wherein the rear third rail (22 ') has a displacement portion (31) at the end portion.