JP4867641B2 - 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. Further, upper and lower guide rollers are provided on the upper and lower sides of the front side of the sliding door via arm members, and a sensor guide roller is provided on the middle portion of the rear side of the sliding door. A slide door mechanism is used in which the upper and lower guide rollers are guided by the upper and lower guide rails, and the center guide roller is guided by 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 slide door mechanism is equipped with a stopper device for regulating the fully open position or 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, the arm member collides with the bumper member at the fully open position, and the slide door is restricted from moving further.

  By the way, the bumper member collides with the arm member at a point shifted from the guide rail. For this reason, when the arm member collides with the bumper member, the guide roller is displaced to the opening of the guide rail by elastic deformation of the bumper member according to the moment. This displacement changes depending on the collision between the arm member and the bumper member.

  For this reason, when the sliding door is fully opened vigorously, the bumper member may be shaken by the impact force, and the guide roller may come out (disengage) from the opening of the guide rail. Especially when the arm member that supports the upper guide roller collides with the bumper member that is assembled to the end of the upper guide rail, the weight of the sliding door also acts on the arm member, so there is a lot of behavior in the direction in which the guide roller comes off. There is a high possibility that the upper guide roller will come out of the upper guide rail.

In order to prevent the guide roller from falling off, conventionally, as shown in Patent Document 1, a technique of embedding a reinforcing member such as a cored bar inside the bumper member to suppress deformation of the bumper member is used.
JP 2003-27829 A

  However, in the technique for performing such reinforcement, the impact performance accompanying the shock absorption of the bumper member is easily impaired by the addition of the reinforcement member.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a slide door stopper device that can prevent a guide roller from falling off while suppressing a decrease in impact absorbing performance.

In one aspect of the invention, in order to achieve the above object, when the bumper member collides with the arm member, a directional deformation portion that deforms the collided arm member toward the guide rail is formed.

In one aspect of the invention, the bumper member is elastically deformed from the bumper member portion on the guide rail side than the bumper member portion on the opposite side, with the bumper member as a boundary at the directional deformation portion so that a simple structure is required. A simplified configuration was adopted.

In one aspect of the invention , the bumper member has a solid portion that collides with the arm member, and the bumper member portion on the guide rail side sandwiching the solid portion so that a simple structure is required. Is used as a part having an open space, and the bumper member part on the guide rail side is more easily deformed than the bumper member part on the opposite side.

In one aspect of the invention, a bumper member portion on the side opposite to the guide rail side is provided with a promoting portion that promotes deformation of the bumper member portion on the guide rail side so as to promote deformation that causes the arm member to move toward the guide rail side. The configuration we had was adopted.

  According to the first aspect of the present invention, the arm member after colliding with the bumper member uses the deformation of the bumper member to direct the guide roller in the direction of pushing it into the guide rail. It can be prevented in advance.

  Therefore, it is possible to prevent the guide roller from falling off while suppressing a decrease in the impact absorbing performance of the bumper member.

  According to the second aspect of the present invention, the directional deformation portion is simple because it only requires the bumper member portion on the guide rail side to be elastically deformed more easily than the bumper member portion on the opposite side.

  According to the third aspect of the present invention, the directional deformation portion is a simple combination because it is a combination of a solid portion and an open portion.

  According to the fourth aspect of the present invention, the guide roller can be prevented from falling off by effectively utilizing the deformation of the bumper member.

  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, and FIG. 2 shows a structure around the 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 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 formed in the roof side rail portion 2a, specifically an L-shaped step 4 extending in the longitudinal direction of the vehicle body. 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 part of the rear quarter panel portion 1a inside the entrance / exit 2 has an entrance / exit 2 in the middle. 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 rail member whose front side is retracted to the inside of the vehicle body and has a U-shaped cross section, 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 indicates a rail installation wall that protrudes 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 above. As shown in FIGS. 2 and 3, the upper guide 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. That is, the bumper installation part 25 protrudes directly under the upper guide rail end. In the center of the lower plate surface of the bumper mounting portion 25, a through hole 26 for supporting a bumper member is formed as an engagement receiving portion. 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, for example, an elastically deformable rubber material as 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. On the upper side of the bumper mounting surface 29, an engaging pin portion 30 is projected as an engaging portion. The engagement pin portion 30 includes, for example, a shaft portion 31a corresponding to the diameter of the through hole 26, an elastic engagement wall 31b formed by a flange portion, and a tapered portion 31c that gradually becomes thinner from the outer shape of the elastic engagement wall 31b. 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. As a result, the bumper receiving portion 28 of the bumper member 22 is positioned so that the arm member 15 passes, and 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. The sliding door 3 is regulated so that it does not move any more after collision.

  Further, as shown in FIGS. 3 and 4, the bumper member 22 is formed with a directional deformation portion 32 that directs the arm member 15 after the collision toward the upper guide rail 5. In the directional deformation portion 32, the upper bumper member portion, that is, the bumper member portion 22 a on the guide rail 5 side on the lower side, which is the other portion, is separated from the intermediate portion 22 x of the bumper member 22 colliding with the arm member 15. A structure is used that is more easily deformed than the bumper member portion 22b (the bumper member portion on the opposite side). For example, a structure in which a plurality of holes are formed in the bumper member 22 is used.

  Specifically, as shown in FIGS. 3 and 4, for example, two holes 33 a and 33 b having a depth from the upper surface 22 c (the surface on the guide rail 5 and the guide roller 10 side) to the vicinity of the intermediate portion 22 x, A structure in which the upper bumper member portion 22a is provided in parallel along the collision direction of the arm member 15 is used. The upper bumper member portion 22a is made softer than the lower bumper member portion 22b by the open space 34 formed by the holes 33a and 33b. In other words, the bumper member 22 has the bumper member portion 22 with the upper open space 34 at the middle portion 22y formed in the middle portion following the intermediate portion 22x to which the impact force is applied. It becomes easier to deform than 22b. Thus, when the arm member 15 collides with the bumper member 22, the upper bumper member portion 22a is deformed obliquely with the solid portion 22y as a fulcrum as shown in FIG. From the oblique deformation, the arm member 15 after the collision has a rearward rising behavior, that is, a behavior of moving the guide roller 10 toward the upper guide rail 5 (lifting behavior). That is, a behavior of pushing the guide roller 10 into the upper guide rail 5 is created.

  The lower bumper member portion 22b is formed with an assisting portion, for example, one hole portion 33c, for assisting the deformation of the upper bumper member portion 22. The hole 33c is formed by forming a hole space between the holes 33a and 33b having a depth from the lower surface 22d (the surface opposite to the guide rail 5 and the guide roller 10) to the vicinity of the intermediate portion 22x. The solid portion 22y is left only in the middle portion of the bumper member 22 that collides with the arm member 15. When the arm member 15 collides with the hole 33c, the lower bumper member 22b is opposite to the deformation in the upper shrinking direction, that is, the direction extending forward with the solid portion 22y as a fulcrum, as shown in FIG. It is designed to be deformed. By the deformation of the bumper member 22b, the oblique deformation of the bumper member 22a is promoted so that the movement of lifting the arm member 15 is ensured stably.

  Of course, since the middle portion is formed solid, the impact force acting in the collision direction of the arm member 15 can be sufficiently absorbed.

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

  Now, 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 opened position, the arm member 15 on the upper side of the slide door 3 collides with the intermediate portion 22x of the bumper member 22 to absorb the impact.

  Here, in the bumper member 22, the upper bumper member portion 22a is softer than the lower bumper member portion 22b due to the formation of the holes 33a and 33b. Therefore, the upper bumper member portion 22a is deformed in the shrinking direction while crushing the holes 33a and 33b with the intermediate portion 22x to which the impact force from the arm member 15 is applied as a fulcrum. At the same time, the lower bumper member portion 22b is deformed in a direction extending forward while expanding the hole portion 33c with the intermediate portion 22x as a fulcrum, and promotes deformation of the upper bumper member portion 22a. As a result of such deformation of each part, an oblique deformation occurs in the tip part of the bumper member 22 such that the upper part retreats and the lower part protrudes as shown in FIG.

  The arm member 15 after the collision is subjected to this oblique deformation, and a behavior occurs in which the rear side (collision direction) is lifted as indicated by an arrow in FIG. Here, since the arm member 15 supports the guide roller 10, the guide roller 10 moves into the upper guide rail 5 through the clearance of each part of the slide door mechanism 8 due to the backward movement of the arm member 15. Pushed in.

  As a result, the guide roller 10 that may be detached from the upper guide rail 5 is less likely to be removed from the upper guide rail 5 due to the behavior of being pushed into the upper guide rail 5 provided by the bumper member 22. In addition, the shock absorption at the bumper member 22 is not impaired. Therefore, the guide roller 5 can be prevented from coming off while fully utilizing the deformation of the bumper member 22.

  Therefore, it is possible to prevent the guide roller 10 from dropping while suppressing a decrease in the impact absorbing performance.

  In addition, the same effect is simple because it is only necessary to easily elastically deform the bumper member portion 22a on the upper guide rail 5 side of the bumper member 22. In particular, the structure that facilitates elastic deformation is simple because the structure in which the solid portion 22y and the open space 34 are combined is adopted, and the impact acting in the collision direction by the solid portion 22y can be sufficiently absorbed. it can. In addition, since the function of promoting the elastic deformation is added to the bumper member portion 22b on the opposite side, the function of preventing the guide roller 10 from falling off to the maximum extent by utilizing the deformation of the bumper member 22 can be sufficiently exhibited.

  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 description has been given using the fully open stopper that restricts the fully open position of the slide door. However, the present invention may be applied to a fully closed stopper that restricts the fully closed position of the slide door. A similar effect can be obtained with a stopper.

The perspective view of the vehicle which assembled | attached the full open stopper apparatus which concerns on one Embodiment of this invention. The perspective view which shows the site | part of the slide door mechanism with the fully open stopper of the vehicle. The perspective view which shows the structure of each part of the fully open stopper. FIG. 3 is a side cross-sectional view taken along the line AA in FIG. 2 for explaining when an arm member collides with a bumper member. The sectional side view for demonstrating a behavior of the arm member after colliding.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Vehicle body, 2 ... Entrance / exit, 3 ... Slide door, 5 ... Upper guide rail (guide rail), 8 ... Slide door mechanism, 10 ... Guide roller, 15 ... Arm member, 18 ... Full open stopper apparatus, 20 ... Bumper bracket , 22 ... bumper member, 22a ... upper bumper member portion (bumper member portion on the guide rail side), 22b ... lower bumper member portion (opposite bumper member portion), 32 ... directing deformation portion, 22y ... solid Part, 33c ... hole part (assistant part), 34c ... open space part.

Claims (2)

A guide rail for sliding door opening / closing guidance is provided on the vehicle body side, a guide roller is provided on the sliding door via an arm member protruding toward the vehicle interior side, the guide roller is guided by the guide rail, and the slide door is Of the sliding door mechanisms that guide from the fully closed position to the fully open position,
An elastically deformable bumper member is supported at a point where the arm member can come into contact with the end of the guide rail of the slide device via a bumper bracket, and a slide door is formed between the arm member and the bumper member. In the sliding door stopper device that regulates by collision,
When the bumper member collides with the arm member, a directional deformation portion is formed that deforms the arm member after the collision so as to be directed toward the guide rail ,
The directional deformation portion is a portion of the bumper member that collides with the arm member as a solid portion, and the bumper member portion on the guide rail side sandwiching the solid portion is a portion having an open space portion, A sliding door stopper device , wherein the bumper member portion on the guide rail side is more easily elastically deformed than the bumper member portion on the opposite side, with the portion colliding with the arm member as a boundary . 2. The stopper device according to claim 1 , wherein the bumper member portion on the opposite side has an accelerating portion for accelerating deformation of the bumper member portion on the guide rail side .

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