JP4867636B2 - Stop device for sliding door - Google Patents

Description

  The present invention relates to a stopper device for a sliding door that regulates the position of the sliding door.

  There are types of automobiles (vehicles) in which the entrance / exit on the side of the vehicle body is opened and closed by a sliding door.

  Many of these sliding doors are provided with upper and lower guide rails at the upper and lower parts of the vehicle across the entrance, and a center that extends from the edge of the entrance to the rear of the vehicle on the rear side of the vehicle that is the middle stage of the entrance. Provide guide rails. In addition, upper and lower guide rollers are provided on the upper and lower parts of the front side of the sliding door via arm members, and sensor guide rollers are provided on the middle part of the rear side of the sliding door, and the upper and lower guide rollers are connected to the upper and lower parts. A slide door mechanism is used in which the guide rail guides the center guide roller with the center guide rail. That is, each guide roller is guided by each guide rail extending in the longitudinal direction of the vehicle body, so that the slide door is guided from the fully closed position to the fully open position.

  Such a sliding door mechanism is equipped with a fully open stopper device and a fully closed stopper device for regulating the fully open position and the fully closed position of the slide door.

  In many of such stopper devices, a structure is used in which an elastically deformable bumper member is supported on an open end of the upper guide rail via a bumper bracket. When the slide door is fully opened or fully closed, the arm member collides with the bumper member at the fully open position or the fully closed position, and the slide door is restricted from moving further.

  However, since the bumper member is a part that collides with the arm member at a point shifted from the supported guide rail, a swing in the vehicle width direction such as displacement and rotation is likely to occur due to the action of the moment. For this reason, depending on the condition of the collision, there is a risk of falling off the bumper bracket due to the generated vibration.

In order to prevent the bumper member from falling off, conventionally, as shown in Patent Document 1, a metal core is embedded in the bumper member to increase the rigidity and support rigidity of the bumper member itself.
JP 2003-27829 A

  However, with such a structure, in order to prevent the bumper member from swinging, it is necessary to change the bumper member significantly, and it is also necessary to change the support structure for supporting the bumper member in accordance with the reinforcing structure. is there. For this reason, the structure of the fully open stopper measure is considerably complicated.

  Accordingly, an object of the present invention is to provide a stopper device for a sliding door that prevents the bumper member from falling off without forcing the bumper member to be changed.

In order to achieve the above object, the invention according to claim 1 is configured as a stopper device for a sliding door mechanism as follows. That is, an entrance / exit that is provided on at least one side of the vehicle body in the vehicle width direction and is opened / closed by a sliding door, a roof side rail portion provided at an upper portion of the entrance / exit, a roof side rail portion, and a vertical wall A stepped portion consisting of a lateral wall continuous with the vertical wall and extending outward from the vehicle body, a guide rail attached along the vertical wall within the stepped portion and having an opening downward, and extending from the slide door to the vehicle interior side, An arm member having a chamber-side end positioned below the guide rail, and a guide roller that is rotatably provided on an upper portion of the arm-side end of the arm member and is guided by being inserted into the guide rail from below. The bumper bracket is provided at the end of the guide rail, and one end extends directly below the guide rail. The bumper bracket is attached to the bumper bracket, and the sliding door is guided to the guide rail to the end in the opening direction. An elastically deformable bumper member that collides with the arm member immediately below the end of the guide rail when the arm member collides with the opening of the sliding door. The side surface of the bumper member and the lower surface of the bumper member are in contact with at least one of the vertical wall and the horizontal wall, respectively, and the deformation of the bumper member due to the collision of the arm member is suppressed by the vertical wall and the horizontal wall.

According to a second aspect of the present invention, the bumper member is provided with a hole portion in which deformation of the bumper member is promoted by the arm member coming into contact with the bumper member to constitute a stopper device for the slide door.

According to the first aspect of the present invention, the swing of the bumper member accompanying the collision with the arm member can be suppressed by the deformation of the bumper member itself caused by the collision. Therefore, it is possible to prevent the bumper member from dropping without forcing the bumper member to be changed. In particular, it is possible to effectively suppress bumper deflection such as displacement or rotation in the vehicle width direction, which is likely to drop off.
No matter how the arm member collides, the bumper member can be kept in a predetermined posture. At the time of a collision between the arm member and the bumper member, the bumper member is regulated from two different directions by the vertical wall and the horizontal wall, so that it is possible to sufficiently suppress the swing of the bumper member in various directions.

According to the second aspect of the present invention, since the bumper member is promoted to be deformed at the time of collision with the arm member, the bumper member required to suppress the deflection can be sufficiently deformed. In particular, in the case of a support structure in which the bumper member is supported by the bumper bracket, a clearance is set between the bumper member other than the support portion and the bumper bracket in order to ensure the ease of assembly of the bumper member to the bumper bracket. When the deformation of the bumper member is promoted, the clearance can be sufficiently secured, so that both the assembly property of the bumper member and the regulation performance of the bumper member at the time of collision can be sufficiently satisfied.

  Hereinafter, the present invention will be described based on an embodiment shown in FIGS.

  FIG. 1 shows a part of an automobile (vehicle) with a sliding door, in which 1 denotes the body of the automobile. An entrance / exit 2 is provided on the rear side of the vehicle body 1 on one side in the vehicle width direction. The entrance 2 is opened and closed by a slide door 3 provided on one side in the vehicle width direction.

The slide door 3 is slidably supported from a fully closed position to a fully open position by a slide door mechanism 8 using, for example, three guide rails. The slide door mechanism 8 will be described. An upper guide rail 5 is provided on an upper portion of the roof side rail portion 2 a (a portion constituting the vehicle body 1) sandwiching the entrance 2. Specifically, as shown in FIG. 2, the upper guide rail 5 is mounted in a step space formed in the roof side rail portion 2a, specifically, an L-shaped step 4 extending over the entire length of the vehicle body formed by the vertical wall 4a and the horizontal wall 4b. is there. Further, a lower guide rail 7 is provided in a lower side sill portion 2b (a portion constituting the vehicle body 1) sandwiching the entrance / exit 2 and a middle portion of the rear quarter panel portion 12 inside the entrance / exit 2 is provided with the entrance / exit 2 A center guide rail 6 extending rearward from the edge is provided. The upper guide rail 5 and the lower guide rail 7 use a U-shaped rail member whose front side is retracted to the inside of the vehicle body, and the center guide rail 6 has a cross section that linearly extends rearward of the vehicle body. A U-shaped rail member is used. As shown in FIG. 1, the guide roller structure combined with the guide rails 5 to 7 includes guide rollers 10 at three locations, that is, an upper portion and a lower portion on the front side of the sliding door 3 and a middle portion on the rear side of the sliding door 3. The structure provided with 12 is used. Of these, the upper guide roller 10 and the lower guide roller 12 have, for example, a lateral roller member 16 (with an axial center in the vertical direction) at the tip of an arm member 15 protruding from the inner surface of the door as shown in FIG. A structure is used in which the orientation (orientation) is rotatably supported (only the upper side is shown). The upper guide roller 10 is rotatably inserted into the upper guide rail 5, the lower guide roller 12 is rotatably inserted into the lower guide rail 7, and the intermediate guide roller 11 is It is inserted in the center guide rail 6 so that rolling is possible. Thereby, the guide rollers 10 to 12 are guided by the guide rails 5 to 7, and the slide door 3 indicated by the two-dot chain line in FIG. 1 is maximized from the fully closed position where the slide door 3 indicated by the solid line in FIG. 1 is closed. Guided to the fully open position. 2 denotes a rail installation wall that projects from the front surface of the roof side rail portion 2a toward the upper portion of the upper guide rail 5 in order to fix the upper guide rail 5 from the upper portion. As shown in FIGS. 2 and 3, the rail 5 is provided with a fully open stopper device 18 (corresponding to the stopper device of the present application).

  As shown in FIG. 2, the fully open stopper device 18 has a structure in which a bumper member 22 is supported on an open side end portion of the upper guide rail 5 via a bumper bracket 20. Among these, the bumper bracket 20 is a bracket formed by processing, for example, a sheet metal as shown in FIG. The bumper bracket 20 made of the same sheet metal has a substantially U-shaped holder portion 24 assembled to both sides of the upper guide rail end in the vehicle width direction, and an end wall portion 24a facing the rail end of the holder portion 24 extending downward. The structure which formed the bumper installation part 25 formed in this way is used. As a result, the bumper installation part 25 protrudes directly from the end of the upper guide rail. A bumper member supporting (engaging) through hole 26 is formed in the center of the lower plate surface of the bumper mounting portion 25. Reference numeral 27 denotes a support seat formed to extend the upper end of the end wall portion 24a upward so as to support the bumper bracket 20 by the rail mounting seat 13 as well.

  The bumper member 22 is formed of a rectangular parallelepiped block formed of an elastically deformable rubber material shown in FIG. The bumper member 22 is formed in a tapered shape with one end narrower than the other end. The other end surface is formed as a flat surface, and a tip end portion having a tapered end portion is a bumper receiving portion 28 and a base end portion having a flat surface is a bumper mounting surface 29. Further, an engaging pin portion 30 as an engaging portion protrudes from the upper side of the bumper mounting surface 29. The engaging pin portion 30 includes a shaft portion 31a corresponding to the diameter of the through hole 26, an elastic engaging wall 31b formed by a flange portion, and a tapered portion 31c that gradually becomes thinner from the outer shape of the elastic engaging wall 31b. It is formed. As a result, as shown in FIG. 3, when the tip end portion (tapered portion 31c) of the engaging pin portion 30 is inserted into the through hole 26 from the rail end side, the through hole 26 and the shaft portion 31a are engaged. The bumper member 22 is fixed (supported) to the bumper mounting portion 25. By this fixing, the bumper member 22 is assembled immediately below the upper end of the upper guide rail 5 with the tip end directed toward the upper guide rail end as shown in FIG. Thereby, the bumper receiving portion 28 of the bumper member 22 is determined at a position through which the arm member 15 passes. When the slide door 3 is fully opened, the arm member 15 of the slide door 3 and the bumper member 22 at the rail end are in the fully open position. And the slide door 3 is restricted from moving any further.

  Further, around the bumper member 22, a restraining portion 35 (corresponding to the restraining means of the present application) that suppresses the swing of the bumper member 22 is provided. A structure in which members disposed around the bumper member 22 are used as they are is used for the holding portion 35. That is, of the bumper member 22, a lower surface 22 a (corresponding to the first surface of the present application) that is a surface opposite to the upper guide rail 5 across the bumper member 22 is a step 4 for accommodating the upper guide rail 5. It is arrange | positioned facing the horizontal wall 4b. Therefore, in order to provide a regulating function to the lateral wall 4b that has not been obtained so far, a gap α1 between the upper surface (corresponding to the first regulating surface of the present application) of the lateral wall 4b and the lower surface 22a as shown in FIG. 15 is set to a value at which the downwardly deformed portion generated on the lower surface 22a comes into contact (contact) with the upper surface of the lateral wall 4b, and the two are opposed to each other. This is set by shifting the position of the arm member 15 downward or by shifting the position of the lateral wall 4b upward. With such a structure, the deflection of the bumper member 22 caused by the collision is suppressed by the expansion deformation in the direction orthogonal to the sliding direction due to the compressive deformation of the bumper member 22 itself in the sliding direction. In addition, if it collides with the arm member 15, if the lower surface 22a of a bumper member contacts the upper surface of the horizontal wall 4b, it will not stick to a deformation | transformation form.

  Furthermore, of the bumper member 22, a side surface 22b (corresponding to a second surface facing in a direction different from the first surface of the present application) located on the distal end side of the arm member 15 is directed in a direction different from the lower surface 22a. The bumper bracket 20 is disposed to face the side wall 20a. Therefore, when the arm member 15 collides with the gap α2 between the inner surface of the side wall 20a (corresponding to the second regulating surface of the present application) and the side surface 22b so as to provide a regulating function to the side wall 20a that has not existed until now, the side surface The deformation portion generated in 22b is set to a value that makes contact (contact) with the inner surface, and the two are placed close to each other. This is set by bringing the side wall 20a close to the bumper member 22 or bringing the bumper member 22 close to the side wall 20a. With such a structure, the vibration of the bumper member 22 caused by the collision is suppressed by the deformation of the bumper member 22 itself caused by the collision. Further, the lower surface 22a of the bumper member 22 and the upper surface of the lateral wall 4b, and the side surface 22a of the bumper member 22 and the inner surface b of the side wall 20a are formed to be substantially parallel so that the vibration in each direction is effectively suppressed. It is.

  The bumper member 22 includes a deformation promoting portion, for example, a plurality of hole portions 36, in order to promote expansion and deformation of the bumper member 22 itself at the time of collision. For example, the holes 36 are provided in an array of two on the upper side and one on the lower side. These holes 36 increase the amount of bulging deformation at the time of collision so that the deformed side surface 22b contacts the vertical wall 4a of the step 4 located on the distal end side of the arm member 15. That is, by increasing the amount of deformation of the side surface 22b, the setting of the gap α3 between the side surface 22b and the vertical wall 4a (corresponding to the second restriction surface of the present application), The adjoining portion can be provided with the same regulation function as that of the bumper bracket 20.

  Next, the operation of the fully open stopper device 18 configured as described above will be described.

  Assume that the sliding door 3 of the automobile is fully opened as shown in FIG. Then, the slide door 3 is guided by the upper guide rail 5, the center guide rail 6, and the lower guide rail 7, and slides rearward of the vehicle body. Subsequently, in the fully open position, the arm member 15 on the upper side of the slide door 3 collides with the bumper member 22 to restrict the slide door 3 from moving any further.

  Here, since the bumper member 22 is displaced downward from the upper guide rail 5 through which the guide roller 10 passes, the bumper member 22 is indicated by the two-dot chain line and the two-dot chain arrow in FIG. As described above, the deflection F occurs such that the bumper member 22 is displaced outward in the vehicle width direction with the engaging pin portion 30 as a fulcrum, or the bumper member 22 is rotationally displaced with the engaging pin portion 30 as a fulcrum.

  At this time, the lower surface 22a and the side surface 22b of the bumper member 22 are closely opposed to the lateral wall 4b of the step 4 and the side wall 20a of the bumper bracket 20 and the vertical wall 4a of the step 4 at a minute interval. As shown by the arrow, the lower surface 22a of the bumper member 22 that deforms due to a collision strongly contacts the upper surface of the lateral wall 4b of the step 4, and the bumper member 22 is prevented from swinging outward in the vehicle width direction. At the same time, the side surface 22b of the bumper member 22 that causes expansion deformation is strongly in contact with the side wall 20a of the bumper bracket 20 as shown by an arrow in FIG. 6 to suppress the bumper member 22 from swinging in the other direction. As shown by the arrows in FIG. 5, the damper member 22 is restrained from moving unnecessarily by strongly abutting against the vertical wall 4 a of the step 4 to prevent it from swinging in the other direction.

  Thus, shake such as displacement and rotation of the bumper member 22 due to the collision with the arm member 15 can be suppressed by deformation of the bumper member itself caused by the collision. Therefore, it is possible to prevent the bumper member 22 from falling off without forcing the bumper member to be changed due to the complicated structure and high cost. In particular, the structure that suppresses the swing of the bumper member 22 by the expansion deformation of the lower surface 22a on the opposite side of the upper guide rail 5 with the bumper member 22 interposed therebetween is likely to cause the bumper member 22 to fall off. The swing of the bumper 22 such as turning can be effectively suppressed.

  In addition, if the deflection of the bumper member 22 is suppressed by using not only the lower surface 22a of the bumper member 22 but also the side surface 22b in a direction different from that, the bumper member 22 is restricted from two different directions. The bumper member 22 can be sufficiently suppressed against various types of vibration.

  In particular, when the lower surface 22a and the lateral wall 4b of the bumper member 22 and the side surface 22b, the side wall 20a, and the vertical wall 4a of the bumper member 22 are parallel surfaces, the bumper member 22 can keep a predetermined posture in any collision. Can do.

  In addition, since the bumper member 22 has a large amount of expansion and deformation at the time of collision due to the formation of the hole portion 36, the bumper member 22 is sufficiently expanded and deformed, and the function of suppressing the vibration of the bumper member 22 can be sufficiently secured. For this reason, not only the bumper bracket 20 but also other parts such as the vertical wall 4a can ensure the function of suppressing the shake (FIG. 5). In particular, in the case of a structure in which the bumper member 22 is supported by the bumper bracket 20, the bumper member 22 and the bumper bracket 20 are provided except for the support portion having the engagement pin portion 30 in order to secure the assembly of the bumper member 22 to the bumper bracket 20. However, if the expansion and deformation of the bumper member 22 is promoted by the hole portion 36, the clearance can be sufficiently secured. Therefore, the assembly performance of the bumper member 22 and the regulation performance of the bumper member 22 at the time of collision Both can be satisfied.

  Note that the present invention is not limited to the above-described embodiment, and various modifications may be made without departing from the spirit of the present invention. For example, in the above-described embodiment, the full-open stopper that restricts the fully-open position of the slide door has been described. However, the same effect can be obtained with a fully-closed stopper that restricts the fully-closed position of the slide door.

1 is a perspective view of a vehicle assembled with a stopper device according to an embodiment of the present invention. The perspective view which shows the site | part of the slide door mechanism with the stopper apparatus of the vehicle. The perspective view which shows the structure of each part of the stopper apparatus. The sectional side view of the stopper apparatus which follows the AA line in FIG. Sectional drawing for demonstrating a state when a damper member deform | transforms by the collision with an arm member. Sectional drawing which shows a state when a damper member deform | transforms in the different point. The bottom view which shows the slide mechanism seen from the B arrow direction in FIG. 2 with a damper member.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Vehicle body, 2 ... Entrance / exit, 3 ... Sliding door, 4 ... Level difference, 4a, 20a ... Vertical wall, side wall (2nd regulation surface), 4b ... Side wall (1st regulation surface), 5 ... Upper guide rail (Guide rail), 8 ... slide door mechanism, 10 ... guide roller, 15 ... arm member, 18 ... fully open stopper device, 20 ... bumper bracket, 22 ... bumper member, 22a ... lower surface (first surface), 22b ... side surface (1st surface), 35 ... suppression part (suppression means), 36 ... hole part (deformation promotion part).

Claims (2)

A boarding / exit opening provided on at least one side of the vehicle body in the vehicle width direction and opened and closed by a sliding door;
A roof side rail portion provided at an upper part of the entrance,
A stepped portion formed on the roof side rail portion and comprising a vertical wall and a horizontal wall extending to the outside of the vehicle body and continuing to the vertical wall;
Within the stepped portion, a guide rail attached along the vertical wall and having an opening below,
An arm member extending from the sliding door to the vehicle interior side and having an end on the vehicle interior side located below the guide rail;
A guide roller provided on the upper end of the vehicle compartment side of the arm member so as to be freely rollable, and guided by being inserted into the guide rail from below;
A bumper bracket provided at an end of the guide rail and having one end extending directly below the guide rail;
An elastically deformable bumper member that is attached to the bumper bracket and collides with the arm member immediately below the end of the guide rail when the slide door is guided to the end of the opening direction by the guide rail. With
When the arm member collides with the bumper member by opening the slide door, the side surface of the bumper member on the vehicle compartment side and the lower surface of the bumper member are in contact with at least one of the vertical wall and the horizontal wall, respectively. A sliding door stopper device , wherein deformation of the bumper member due to a collision of an arm member is suppressed by the vertical wall and the horizontal wall . 2. The sliding door stopper device according to claim 1, wherein the bumper member includes a hole portion in which deformation of the bumper member due to contact of the arm member is promoted .

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