JP2008049946A - Structure of vehicular sliding door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sliding door of simple structure not requiring an upper rail and a lower rail. <P>SOLUTION: The structure of a sliding door comprises a door opening part 2, a door body to be operated to open/close the door opening part 2, a hinge mechanism 3 provided in a lower part of the door opening part, a slide rail 4 provided in an intermediate position in the vertical direction of the door opening part 2 on a car body side in rear of the opening part 2, and a slide arm provided in the door body and having a guide roller fitted to an end thereof freely to roll inside the slide rail 4. The hinge mechanism 3 has a car body side hinge piece, a door side hinge piece, and a connecting hinge piece for connecting both the car side and door side hinges, and comprises a hinge pin at two positions on the car body side and the door side. When opening/closing the door, the connecting hinge piece is turned around the car body side hinge pin, and the door side hinge piece is turned around the car body side hinge pin, and the slide arm is turned around the guide roller while the guide roller turns inside the slide rail 4 so as to slide the door body in the back and forth direction of the car body, while tilting against the side surface of the car body with a plane view. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a sliding door structure.

  In general, an upper rail is provided at the upper part of the door opening, a lower rail is provided at the lower part, a slide rail is provided on the side of the vehicle body behind the door opening in the middle of the door opening, and guide rollers that roll on these rails are provided. A sliding door structure attached to the door body side is known.

  However, in the above slide door structure, since there is an upper rail, the interior space of the vehicle is reduced accordingly, and the rigidity of the side roof is reduced.

Therefore, a slide rail is attached to the inner wall surface of the door body, an armrest that can slide freely on the slide rail is provided, and a support unit that supports the armrest is installed on the vehicle body side. The slide door structure is configured so that the unit can slide the door body backwards by pushing the door body outward in the vehicle width direction via the armrest and sliding the slide rail side relative to the armrest. It has been proposed (see, for example, Patent Document 1).
JP 2003-120116 A

  However, in the conventional sliding door structure described above, an extrusion operation for pushing the door body outward in the vehicle width direction is performed, and then a slide operation for sliding the door body toward the rear of the vehicle body is performed. A switching mechanism is required, and the structure may be complicated.

  In addition, in the conventional sliding door structure described above, a lower rail is attached to the lower part of the door opening to support the lower part of the door body, and this lower rail has entered the inside of the vehicle body so that the vehicle body floor surface is effective. There is a problem that it cannot be used.

  An object of the present invention is to provide a sliding door structure that does not require an upper rail or a lower rail and has a simple configuration.

  In order to solve the above problems, the present invention provides a door opening formed in a vehicle body, a door body that is opened and closed with respect to the door opening, and a vehicle body side hinge fixed to a lower portion of the door opening. A piece, a door side hinge piece fixed to the lower part of the door body, and one end portion rotatably attached to the vehicle body side hinge piece via a vehicle body side hinge pin, and the other end portion via a door side hinge pin. A hinge mechanism having a connecting hinge piece rotatably attached to the door-side hinge piece, and a slide provided at an intermediate position in the vertical direction of the door opening and in front of or behind the door opening. A slide arm provided on the door body and having a guide roller attached to the end of the slide rail, the guide hinge piece being connected to the vehicle body side hinge when the door is opened and closed. The slide arm pivots around the pin, and the door-side hinge piece pivots around the door-side hinge pin, and the slide arm rolls around the slide rail while the slide arm is centered on the guide roller. The door body slides in the longitudinal direction of the vehicle body while tilting with respect to the side surface of the vehicle body in a plan view.

  According to the above configuration, the lower portion of the door body is supported by the hinge mechanism, and the intermediate portion in the vertical direction is supported by the slide arm and the slide rail, so that the upper rail and the lower rail are not required. Moreover, since it is the structure supported by one hinge mechanism, a structure does not become complicated and a structure is very simple.

  According to the present invention, it is possible to realize a sliding door structure that does not require an upper rail or a lower rail and has a simple configuration.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows an example in which a slide door structure according to the present invention is applied to a rear door portion. A door opening 2 is formed on the rear side surface of the vehicle body 1, and a rear slide door (not shown) is opened and closed as a door body in the door opening 2.

  A part of the hinge mechanism 3 is provided below the door opening 2. Details of the hinge mechanism 3 will be described later. Further, a slide rail 4 is provided at an intermediate position in the vertical direction of the door opening 2 and on the side of the vehicle body behind the door opening 2. In the present embodiment, no upper rail is provided at the upper part of the door opening 2 and no lower rail is provided at the lower part of the door opening 2.

  As shown in FIG. 2, the hinge mechanism 3 has a strip-like vehicle body side hinge piece 5 and a connecting hinge piece 6 which are long in the lateral direction, and the vehicle body side hinge piece 5 is screwed to the side surface of the side sill 7 below the door opening 2. 8 is attached. As shown in FIG. 3, the tip of the connecting hinge piece 6 is connected to a door-side hinge piece 12 attached to the front end face 9 </ b> A of the rear slide door 9 with a screw 10.

  Here, the detailed structure of the hinge mechanism 3 is demonstrated using FIG. The vehicle body side hinge piece 5 has projections 5A and 5B on the upper and lower sides on the rear end side, and through holes 5a and 5b are formed in the projections 5A and 5B, respectively. The connecting hinge piece 6 is provided with small cylindrical portions 6A and 6B at both ends, and through holes 6a and 6b are formed in the small cylindrical portions 6A and 6B along the axial direction. Then, after the small cylindrical portion 6A is interposed between the convex portions 5A and 5B of the vehicle body side hinge piece 5, the through holes 5a, 6a and 5b are coaxially aligned, and then the vehicle body side hinge pin 26 is connected to the through holes 5a and 5a. By being inserted into 6a and 5b, the vehicle body side hinge piece 5 and the connection hinge piece 6 are connected, and the connection hinge piece 6 is rotatable about the vehicle body side hinge pin 26 in the direction of arrow A (see FIG. 2). It has become.

  Further, the door-side hinge piece 12 has convex portions 12A and 12B on the upper and lower sides close to the passenger compartment, and through-holes 12a and 12b are formed in these convex portions 12A and 12B. Then, after the small cylindrical portion 6B of the connecting hinge piece 6 is interposed between the convex portions 12A and 12B of the door side hinge piece 12, the through holes 12a, 6b and 12b are coaxially aligned, and then the door side hinge pin 27 is placed. Is inserted into the through holes 12a, 6b, 12b, the connecting hinge piece 6 and the door side hinge piece 12 are connected, and the connecting hinge piece 6 is centered on the door side hinge pin 27 in the direction of arrow B (see FIG. 3). It is freely rotatable. In FIG. 4, reference numeral 5 </ b> C attached to the vehicle body side hinge piece 5 is a screw hole through which the screw 8 (see FIG. 2) is inserted, and reference numeral 12 </ b> C attached to the door side hinge piece 12 is the screw 10 (FIG. 3) is a screw hole to be inserted.

  FIG. 5 is a longitudinal sectional view of the vicinity of the side sill 7 when the rear slide door 9 is fully closed with respect to the door opening 2. The side sill 7 has a sill outer panel 7A and a sill inner panel 7B, and the vehicle body side hinge piece 5 of the hinge mechanism 3 is attached to the sill outer panel 7A. The rear slide door 9 has a door outer panel 9 </ b> A and a door inner panel 9 </ b> B. When the rear slide door 9 is fully closed, the lower portion of the door inner panel 9 </ b> B is in close contact with the connecting hinge piece 6 of the hinge mechanism 3. In FIG. 5, reference numeral 13 denotes a floor panel whose side ends are joined to the sill inner panel 7B.

  Also, as shown in FIG. 3, an L-shaped slide arm 14 is provided on the rear inner wall surface of the rear slide door 9, and guide rollers 15 and 16 are rotatably attached to the front end portion thereof. . Although not shown in the drawing, the slide arm 14 is provided at the middle part in the vertical direction of the rear slide door 9.

  On the other hand, as shown in FIG. 6, the slide rail 4 has a shape in which both end portions 4A, 4B of the channel material are folded inward, and a gap 4C between the both end portions 4A, 4B is interposed. The tip of the slide arm 14 is inserted into the slide rail 4. The slide arm 14 inserted into the slide rail 4 has a guide roller 15 at the tip at the bottom 4C and one end 4A of the channel material, and a guide roller 16 at the bottom 4C and the other end 4B of the channel material. When they contact each other and open and close the rear slide door 9, the guide rollers 15 and 16 move while rolling in the slide rail 4.

  Next, the operation of the present embodiment will be described with reference to FIG.

  7A shows a state in which the rear slide door 9 is completely closed (fully closed state), FIG. 7B shows a state in which the rear slide door 9 is slightly opened, FIG. 7C shows a state in which the rear slide door 9 is further opened, and FIG. ) Indicates a fully opened state (fully opened state). FIG. 7 schematically shows the relationship between the vehicle body side hinge 3 and door side hinge 11 and the rear slide door 9, and the actual assembly structure of the hinge mechanism 3 shown in FIGS. There are places where do not agree.

  In the fully closed state of (a), the vehicle body side hinge 5 and the connecting hinge piece 6 are positioned in parallel to the rear slide door 9, and the door side hinge piece 12 is substantially the same as the vehicle body side hinge 5 and the connecting hinge piece 6. It is a right angle. Further, the slide arm 14 is fixed to the rear slide door 9, and in the fully closed state, the rear slide door 9 is positioned at the foremost part within the allowable movement range, so that the guide rollers 15 and 16 at the tip of the slide arm 14 are also at the forefront. Located in the department.

  When the rear slide door 9 is slightly opened (b), the connecting hinge piece 6 rotates counterclockwise about the vehicle body side hinge pin 26 (see FIG. 4). At this time, since the door-side hinge piece 12 fixed to the front end surface 9A (see FIG. 3) of the rear slide door 9 cannot be rotated, the connecting hinge piece 6 is centered on the door-side hinge pin 27 (see FIG. 4). It will rotate relative to the direction. As a result, the angle between the connecting hinge piece 6 and the door side hinge piece 12 is somewhat larger than the right angle. At this time, the slide arm 14 is slightly rotated counterclockwise around the guide rollers 15 and 16, and the guide rollers 15 and 16 move while rolling backward in the slide rail 4.

  When the rear slide door 9 is further opened (c), the connecting hinge piece 6 is further rotated counterclockwise around the vehicle body side hinge pin 26, and the connecting hinge piece 6 is relative to the vehicle body side hinge piece 5. Comes at a right angle. At this time, the angle between the connecting hinge piece 6 and the door-side hinge piece 12 is larger than that in the state (b). At this time, the slide arm 14 further rotates counterclockwise around the guide rollers 15 and 16, and the guide rollers 15 and 16 further move backward in the slide rail 4.

  In the fully opened state of (d), the connecting hinge piece 6 is largely rotated counterclockwise about the vehicle body side hinge pin 26, and the connecting hinge piece 6 and the door side hinge piece 12 are positioned on a substantially straight line. Further, the guide rollers 15 and 16 further move backward in the slide rail 4. At this time, the slide arm 14 is slightly rotated clockwise around the guide rollers 15 and 16.

  8 to 10 are perspective views sequentially showing how the rear slide door 9 is opened. FIG. 8 shows a state when the rear slide door 9 is fully closed, and FIG. 9 shows a state where the rear slide door 9 is half opened. FIG. 10 shows a state in which the rear slide door 9 is fully opened. As can be seen from FIGS. 9 and 10, the rear slide door 9 slides in the longitudinal direction of the vehicle body while being tilted with respect to the side surface of the vehicle body in a plan view when opened and closed.

  According to the above configuration, since the lower portion of the door body is supported by the hinge mechanism 3 and the middle portion in the vertical direction is supported by the slide arm 14 and the slide rail 4, an upper rail and a lower rail are not necessary. Moreover, since it is the structure supported by the hinge mechanism 3, a structure does not become complicated and a structure becomes very simple.

  FIG. 11 shows a second embodiment. In the present embodiment, the vehicle body side hinge piece 5 ′ of the hinge mechanism 3 ′ is attached not to the side sill 7 but to the lower part of the rear pillar 17. The vehicle body side hinge piece 5 ′ is shorter in the lateral direction than the vehicle body side hinge piece 5 in the first embodiment. The connecting hinge piece 6 is the same as that of the first embodiment. The vehicle body side hinge piece 5 ′ is fixed to the lower portion of the rear pillar 17 by a screw 8 ′.

  In the case of the present embodiment, since the vehicle body side hinge piece 5 ′ is fixed to the lower portion of the rear pillar 17, the height position of the hinge mechanism 3 ′ is slightly higher than in the case of the first embodiment. The height position of the piece 12 (see FIG. 3) is also slightly higher than in the first embodiment.

  FIG. 12 is a longitudinal sectional view of the vicinity of the side sill 7 when the rear slide door 9 is fully closed with respect to the door opening 2. The side sill 7 has a sill outer panel 7A and a sill inner panel 7B. The rear slide door 9 has a door outer panel 9A and a door inner panel 9B. When the rear slide door 9 is fully closed, the door inner panel 9B is in close contact with the connecting hinge piece 6 of the hinge structure 3 '. In this embodiment, the vehicle body side hinge piece 5 ′ and the connecting hinge piece 6 (that is, the hinge mechanism 3 ′) are located above the side sill 7.

  According to this embodiment, when the rear slide door 9 is fully closed, the side sill 7 is not hidden by the rear slide door 9, and the side sill 7 can be visually observed from the outside of the vehicle. An excellent vehicle can be realized.

  FIG. 13 shows a third embodiment. This embodiment is an example in which the sliding door structure according to the present invention is applied to a front door portion. That is, in this embodiment, a large hinge mechanism 19 is attached to the side surface of the side sill 7 below the door opening 18 on the front side. Further, a slide rail 20 is provided at an intermediate position in the vertical direction of the door opening 18 and on the side of the vehicle body in front of the door opening 18. The hinge mechanism 19 has substantially the same shape as the hinge mechanism 3 of the first embodiment. Also in this embodiment, no upper rail is provided above the door opening 18 and no lower rail is provided below the door opening 18.

  As shown in FIG. 14, the slide rail 20 is attached to the upper part of the front fender panel 21. The slide rail 20 has the same shape as the slide rail 4 shown in FIG. 6, and is arranged so that the opening end side thereof (that is, the gap side between both end portions folded inward) faces upward. Has been. A guide roller 23 at the tip of the slide arm 22 is disposed in the slide rail 20. The slide arm 22 is fixed to a front end portion of a front slide door (not shown) as a door body. In FIG. 14, reference numeral 24 denotes a bonnet.

  In the above configuration, when the front slide door is opened and closed, each hinge piece of the hinge mechanism 19 rotates, and the guide roller 23 at the tip of the slide arm 22 moves while rolling in the slide rail 20.

  If the hinge mechanism 19 is attached to the lower part of the front pillar 25 (see FIG. 13) instead of the side sill 7, the side sill 7 is moved to the front slide when the front slide door is fully closed as in the second embodiment. The side sill 7 can be seen from the outside of the vehicle without being hidden by the door, and a vehicle with excellent design can be realized.

  Although the embodiments of the present invention have been described in detail with reference to the drawings, each of the above embodiments is only an example of the present invention, and the present invention is not limited only to the configuration of each of the above embodiments. . Needless to say, changes in design and the like within the scope of the present invention are included in the present invention.

  For example, it is also possible to employ the sliding door structure according to the present invention on both the front side and the rear side by combining Example 1 and Example 3.

FIG. 2 is a diagram illustrating an example in which the sliding door structure according to the present invention is applied to a rear door portion according to the first embodiment. It is a perspective view of a vehicle body side hinge piece and a connecting hinge piece attached to a side sill. It is a figure which shows the door side hinge piece, slide arm, etc. which were attached to the rear slide door. It is a disassembled perspective view of a hinge mechanism. It is a longitudinal cross-sectional view of the side sill vicinity when a rear slide door is fully closed with respect to a door opening part. It is a perspective view of the slide rail attached to the vehicle body side surface. It is a figure explaining the operation | movement of a hinge mechanism and a slide arm at the time of opening and closing of a rear slide door. FIG. 3 is a perspective view of the vehicle with the rear slide door fully closed. FIG. 3 is a perspective view of the vehicle with the rear slide door half open. FIG. 3 is a perspective view of the vehicle with the rear slide door fully opened. FIG. 9 is a perspective view of a main part of a hinge mechanism attached to a side sill according to a second embodiment. In FIG. 11, it is the longitudinal cross-sectional view of the side sill vicinity when a rear slide door is fully closed with respect to a door opening part. FIG. 10 is a diagram illustrating Example 3 in which a sliding door structure according to the present invention is applied to a front door portion. It is the longitudinal cross-sectional view of a slide rail attached to the upper part of a front fender panel.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2,18 Door opening part 3,3 ', 19 Hinge mechanism 4,20 Slide rail 5,5' Car body side hinge piece 6 Connection hinge piece 7 Side sill 9 Rear slide door 12 Door side hinge piece 14,22 Slide arm 15,16 , 23 Guide roller 26 Car body side hinge pin 27 Door side hinge pin

Claims (4)

A door opening formed in the vehicle body;
A door body that is opened and closed with respect to the door opening;
A vehicle-side hinge piece fixed to the lower part of the door opening, a door-side hinge piece fixed to the lower part of the door body, and one end part rotatably attached to the vehicle-side hinge piece via a vehicle-side hinge pin A hinge mechanism having a connecting hinge piece pivotally attached to the door side hinge piece via a door side hinge pin.
A slide rail provided at an intermediate position in the vertical direction of the door opening and on the side of the vehicle body in front of or behind the door opening;
A slide arm provided on the door body and having a guide roller attached to an end of the slide rail and capable of rolling in the slide rail;
When the door is opened and closed, the connecting hinge piece rotates about the vehicle body side hinge pin, the door side hinge piece rotates about the door side hinge pin, and the guide roller of the slide arm rotates in the slide rail. A sliding door structure for a vehicle characterized in that the door body slides in the longitudinal direction of the vehicle body while tilting with respect to the side surface of the vehicle body in a plan view when the slide arm rotates about the guide roller while moving. .   2. The vehicle sliding door structure according to claim 1, wherein the vehicle body side hinge is attached to a side surface of the side sill.   2. The vehicle sliding door structure according to claim 1, wherein the vehicle body side hinge is attached to a front pillar or a rear pillar. When the slide rail is provided in front of the door opening, the slide rail is disposed at an upper portion of a front fender panel, and when the bonnet is closed, the slide rail is covered with the bonnet. The sliding door structure for vehicles according to claim 1.

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