JP5466090B2 - slide door - Google Patents

Description

  The present invention relates to a sliding door that is provided in an opening of a vehicle body so as to be opened and closed and is driven in an opening and closing direction by an attached cable.

  When the sliding door moves to the fully closed position, the weather strip made of an elastic body is elastically deformed and contacts the sliding door. Therefore, when driving the sliding door, in the vicinity of the fully closed position, a force for elastically deforming the weather strip is required in addition to the normal driving force.

  As a sliding door that drives the sliding door with a large force at the fully closed position, there is a sliding door described in Patent Document 1 below.

  However, the sliding door described in Patent Document 1 requires two large-diameter drums and two small-diameter drums, and has a problem that the mechanism is complicated, the size is increased, and the weight is increased. In addition, a large tension acts on the cable near the fully closed position of the sliding door. Therefore, a high-strength cable is necessary. Further, the parts constituting the mechanism for driving the cable and the location where the mechanism is provided are required to have high strength, which increases the cost.

  Therefore, in order to solve such problems, the applicant has proposed a sliding door described in Patent Document 2 below.

  This will be described with reference to FIG. In the figure, the rail 7 is provided on the body along the door opening / closing direction. A slider 1 a movably engaged with the rail 7 is provided on the slide door 1. The slider 1a is provided with an intermediate portion of the close lever 5 so as to be rotatable in the horizontal direction using a shaft 5a. A cable 3 that is pulled when the sliding door 1 is closed is connected to one rotating end of the closing lever 5. A shaft 5 a of the close lever 5 is provided with a second roller 11 that rolls on the inner wall surface of the second side 7 b of the rail 7. On the other end side of the close lever 5, a first roller 9 that rolls on the inner wall surface of the first side 7 a of the rail 7 is provided.

  The first side portion 7a of the rail 7 is formed with a recess 13 formed so that the first roller 9 falls before the slide door 1 reaches the fully closed position. The recess 13 is provided with a standing wall 15 that is a surface that intersects the first side 7a of the rail 7 (the rolling surface of the first roller 9) and that can contact the first roller 9. Have.

  When the cable 3 is pulled, the close lever 5 rotates, and the first roller 9 moves in a direction to push the first side 7a of the rail 7 and rolls on the first side 7a of the rail 7. .

  As shown in FIG. 15, before the slide door 1 reaches the fully closed position, the first roller 9 falls into the recess 13 formed in the rail 7 and abuts against the standing wall 15 of the recess 13. Then, the first roller 9 provided on one end side of the close lever 5 is a fulcrum, the one end side of the close lever 5 to which the cable 3 is connected is a power point, and the axis that is the rotation axis of the close lever 5 A “lever” is formed with 5a as the action point.

  When the cable 3 is pulled, the close lever 5 rotates around the first roller 9 as a fulcrum, and the slider 1a is driven in the closing direction of the slide door 1. Since there is an action point between the force point and the fulcrum, the slider 1 a and the slide door 1 are driven in the closing direction with a larger force than before the first roller 9 falls into the recess 13 of the rail 7.

JP 7-113373 A JP 2008-284996 A

  In recent years, as shown in FIG. 16, a rail cover 23 covering the rail 7 has been provided.

  However, since the close lever 5 extends linearly in a substantially horizontal direction, there is a problem that the close lever 5 and the rail cover 23 interfere with each other.

  This invention is made | formed in view of the said problem, The subject is providing the slide door which does not interfere with a close lever and a rail cover.

  The invention according to claim 1 that solves the above-described problem is a slide door that can be opened and closed at the opening of the vehicle body and is driven in the opening and closing direction by an attached cable, and a rail provided along the opening and closing direction. A slider movably provided on the rail and attached to the slide door; a close lever provided on the slider so as to be rotatable in a horizontal direction; provided on one rotating end side of the close lever; A roller that can roll on the side surface of the rail, and is pulled when closing the sliding door, and when pulled, acts on the other rotating end side of the closing lever to drive the slider in the closing direction, A closing cable that rotates the closing lever in a direction in which the roller pushes the rolling surface of the rail, and the slide door reaches a fully closed position on the rail. The roller is formed so that the roller falls down, and is a surface in a direction intersecting the rolling surface of the rail, and has a standing wall surface with which the roller can come into contact. The other rotation end portion side is a slide door characterized in that it is an offset portion offset downward from the one rotation end portion.

  According to a second aspect of the present invention, the close lever includes a bent portion that is bent downward, an offset portion that is connected to the bent portion, extends in a substantially horizontal direction, and is offset downward from one rotating end portion. The sliding door according to claim 1, comprising:

  The invention according to claim 3 is the sliding door according to claim 1 or 2, wherein the offset portion is provided with cable guide means for slidingly contacting the closing cable and guiding the closing cable.

  The invention according to claim 4 is the sliding door according to claim 3, wherein the cable guide means is formed integrally with the close lever.

  According to a fifth aspect of the present invention, the cable guide means includes a main body portion provided on the close lever, an extension portion extending from the main body portion to the outside of the close lever, and the cable sliding contact surface being a curved surface. The sliding door according to claim 3, comprising:

  According to a sixth aspect of the present invention, the close lever includes a first close lever and a second close lever that are stacked, and either one of the first close lever and the second close lever is: The sliding door according to any one of claims 1 to 5, further comprising clamping means for clamping the other close lever in the stacking direction.

  According to a seventh aspect of the present invention, the clamping means is integrally formed with one of the first closing lever and the second closing lever, and the one closing lever in which the clamping means is formed. The sliding door according to claim 6, wherein the thickness of the lever is thinner than that of the other closing lever.

  The invention according to claim 8 is characterized in that the clamping means has opposing surfaces so as to sandwich the other close lever of the first close lever and the second close lever in a planar direction. The sliding door according to 6 or 7.

  The invention according to claim 9 is characterized in that the cable guide means includes at least one of a first engagement portion that engages with the first close lever and a second engagement portion that engages with the second close lever. The sliding door according to any one of claims 6 to 8, wherein the sliding door has one engaging portion.

  According to the invention which concerns on Claims 1-9, the other rotation end part side of the said close lever is an offset part offset below from one rotation end part, By the rail cover which covers a rail, Interference can be prevented.

  According to the invention which concerns on Claim 3, the said door closing cable is slidably contacted in the said offset part, The interference with a cable and a closing lever can be prevented by providing the said door closing cable.

  According to the invention which concerns on Claim 4, the said cable guide means is low-cost by being integrally formed in the said close lever.

  According to the fifth aspect of the present invention, the cable guide means includes a main body provided on the close lever, and extends from the main body to the outside of the close lever, and the cable sliding contact surface is a curved surface. By comprising the protruding portion, the bending of the cable can be suppressed.

  According to the invention of claim 6, the close lever includes a first close lever and a second close lever that are stacked, and either one of the first close lever and the second close lever is closed. Has a clamping means for clamping the other close lever in the stacking direction, so that when the load applied by the cable acts on the close lever, the first close lever and the second close lever are deformed or separated from each other. It is possible to prevent deformation in the direction. Further, when the end of the closing cable is locked to the first closing lever and the second closing lever, the first closing lever and the second closing lever do not deform in the stacking direction, so that the cable does not come off the closing lever.

  According to the invention which concerns on Claim 7, since the said clamping means is integrally formed in either one of a said 1st close lever and a said 2nd close lever, it is low-cost. .

  In addition, since the plate thickness of one closing lever on which the holding means is formed is thinner than the plate thickness of the other closing lever, it is easy to form the holding means.

  According to an eighth aspect of the present invention, the clamping means has a surface facing the other closing lever of the first closing lever and the second closing lever so as to sandwich the first closing lever in the planar direction, thereby The relative movement of the close lever and the second close lever in the planar direction can be suppressed.

  According to the ninth aspect of the present invention, the cable guide means includes: a first engagement portion that engages with the first close lever; and a second engagement portion that engages with the second close lever. The cable guide means can be positioned by having at least one engaging portion.

It is a figure which shows the invention part of this embodiment, and is an enlarged view of the slider part of FIG. It is a side view of the vehicle provided with the sliding door. It is a disassembled perspective view of the mechanism which drives a slide door. FIG. 4 is a cross-sectional view taken along a cutting line AA in FIG. 3. FIG. 4 is a perspective view of the vicinity of the end portion of the rail of FIG. 3. It is a B direction arrow line view of FIG. It is a C direction arrow directional view of the close lever of FIG. FIG. 8 is a sectional view taken along a cutting line DD in FIG. It is a figure explaining the effect of an embodiment. It is a perspective view of the slider part of other embodiments. It is the front view which looked at the close lever of Drawing 10 from the arrow E direction. It is a right view of FIG. It is sectional drawing in the cutting line FF of FIG. It is a block diagram explaining the conventional sliding door. It is a block diagram explaining the conventional sliding door. It is a figure explaining a problem.

  Initially, the whole structure of a slide door is demonstrated using FIG. FIG. 2 is a side view of a vehicle provided with a sliding door. An opening 53 is provided on the side surface of the vehicle body 51. A slide door 55 is provided in the opening 53 so as to be openable and closable. The vehicle body 51 is provided with rails 57 along the opening / closing direction of the slide door 55. The opening 53 is provided with a weather strip that elastically deforms and contacts the slide door 55 in the closed state.

  Next, a mechanism for driving the slide door 55 will be described with reference to FIGS. 1 and 3 to 5. 1 is an enlarged view of the slider portion of FIG. 3, FIG. 3 is an exploded perspective view of a mechanism for driving the slide door 55, and FIG. 4 is a sectional line AA in FIG. FIG. 5 is a perspective view of the vicinity of the end portion of the rail of FIG.

  As shown in FIG. 3, one end of the rail 57 (the left end in the figure) is bent inward of the vehicle in order to fit the slide door 55 into the opening 53. As shown in FIG. 4, the cross-sectional shape of the rail 57 is bent from the bottom 57a, the first side 57b bent upward from one end of the bottom 57a, and the top of the first side 57b. It consists of a top part 57c facing the bottom part 57a and a second side part 57d bent in the direction of the bottom part 57a from the other end of the top part 57c. A gap 57e is formed between the second side 57d and the bottom 57a.

  Returning to FIG. 3, the slider 57 is provided on the rail 57.

  Here, the slider 61 will be described with reference to FIG. The slider 61 includes a base portion 61a that extends in the horizontal direction, a vertical wall portion 61b that is bent from the rail 57 side of the base portion 61a and extends upward along the rail 57, and a horizontal portion that is bent from the upper portion of the vertical wall portion 61b. A first insertion portion 61 c and a second insertion portion 61 d that enter the rail 57 through the gap 57 e of the bent rail 57 are provided. Further, the slider 61 has a hanging portion 61f that is bent from the base portion 61a and extends downward, and a bottom portion 61g that is bent from the hanging portion 61f, extends in the horizontal direction, and faces the base portion 61a. The base 61a is formed with a hole 61h, and the bottom 61g is formed with a hole 61i facing the hole 61h. A hinge is formed by the base portion 61a, the drooping portion 61f, and the bottom portion 61g. On the other hand, the slide door 55 is provided with a hinge corresponding to the hinge of the slider 61, and the slider 61 is slid by using a hole 61 h and a hole 61 i on the slider 61 side and a pin inserted through a hole on the hinge side of the slide door 55. The door 55 is rotatably attached.

  A lower surface roller 63 that rolls on the inner wall surface (lower surface) of the bottom portion 57 a of the rail 57 is provided on the standing wall portion 61 b of the slider 61. A first side roller 65 capable of rolling on the inner wall surface of the first side portion 57b of the rail 57 is provided in the first insertion portion 61c of the slider 61, and a second side portion of the rail 57 is provided in the second insertion portion 61d. A second side roller 67 that can roll on the inner wall surface of 57 d is provided, and the slider 61 can move to the rail 57.

An intermediate portion of the close lever 71 is rotatably provided on the rotation shaft 65 a of the first side roller 65. The close lever 71 includes a stacked first close lever 73 and second close lever 75.
In the present embodiment, the plate thickness of the second close lever 75 is thinner than the plate thickness of the first close lever 73.

  One rotation end portion side of the close lever 71 is laminated so that the first close lever 73 and the second close lever 75 are in close contact with each other, and can further roll on the inner wall surface of the first side portion 57b of the rail 57. A third side roller 69 is provided.

  The other end side of the first close lever 73 and the second close lever 75 is connected to the bent portions 73c and 75c that are bent obliquely downward, and the bent portions 73c and 75c, and extends in a substantially horizontal direction. It consists of offset parts 73b and 75b offset downward from one rotation end part. Further, the first close lever 73 and the second close lever 75 are stacked so that the bent portion 73c and the bent portion 75c are in close contact with each other, and the offset portion 73b and the offset portion 75b are stacked via a space. Is formed. The offset portions 73b and 75b are formed with a hole 73a and a hole 75a in which a cylindrical end fitting of the cable is locked.

  Returning to FIG. 3, reference numeral 91 denotes a drum drive unit that is provided in the vehicle body 51 and includes a drum around which a cable is wound and a motor that drives the drum. Since this drum drive unit 91 has the same structure as the drum drive unit used in the cable-type electric window regulator, detailed description thereof will be omitted. The drum driving unit 91 has two cables, a closing cable 93a and an opening cable 93b. When the drum in the drum driving unit 91 rotates in one direction, the closing cable 93a is wound around the drum, The opening cable 93b is drawn out from the drum. Conversely, when the drum rotates in the other direction, the closing cable 93a is drawn out from the drum, and the opening cable 93b is wound around the drum.

  One closing cable 93a is guided to the one end side of the rail 57 by the first outer casing 95, and a cylindrical end fitting 93c is attached to the tip thereof. Then, the closing cable 93a enters the space between the first closing lever 73 and the second closing lever 75 of the closing lever 71, and ends in the holes 73a and 75a of the first closing lever 73 and the second closing lever 75. The metal fitting 93c is locked (see FIG. 1). The other opening cable 93b is guided to the other end portion side of the rail 57 by the second outer casing 97 and the third outer casing 99, and is connected to the slider 61 (see FIG. 1).

  As shown in FIG. 5, the first side portion 57 b of the rail 57 is formed with a recess 101 formed so that the third side roller 69 falls before the slide door 55 reaches the fully closed position. The concave portion 101 has a standing wall surface 103 that is a surface in a direction intersecting with the inner wall surface of the first side portion 57 b of the rail 57 and can contact the third side roller 69.

  Next, the operation of the above configuration will be described.

  As shown in FIGS. 1, 3, and 5, when the drum in the drum drive unit 91 rotates in one direction, the closing cable 93a is wound around the drum, and the slider 61 and the slide door 55 move in the closing direction. To do. At this time, the closing lever 71 rotates around the rotation shaft 65a of the first side roller 65 by pulling the closing cable 93a. The third side roller 69 rolls while pressing on the inner wall surface of the first side portion 57b of the rail 57.

  Before the sliding door 55 reaches the fully closed position, the third side roller 69 falls into the recess 101 formed in the rail 57 and abuts against the standing wall surface 103 of the recess 101. Then, the third side roller 69 provided on one end side of the close lever 71 is a fulcrum, the one end side of the close lever 71 to which the closing cable 93a is connected is a power point, and the rotation shaft 65a of the close lever 71 is set. A “lever” is formed as an action point.

  When the closing cable 93a is pulled, the closing lever 61 rotates with the third side roller 69 as a fulcrum, and the slider 61 is driven in the closing direction of the sliding door 1. Since there is an action point between the force point and the fulcrum, the slider 61 and the slide door 55 are pulled in the closing direction with a greater force than before the third side roller 69 falls into the recess 101 of the rail 57.

  Next, the cable guide will be described with reference to FIGS. 1 and 6 to 8. 6 is a view in the direction of the arrow B in FIG. 1, FIG. 7 is a view in the direction of the arrow C in FIG. 1, and FIG.

  As shown in these drawings, on the offset portion 73b of the first close lever 73 of the close lever 71 of the present embodiment, it is located in a space between the offset portion 75b of the second close lever 75 and is closed. A cable guide (cable guide means) 101 made of resin is provided so that the cable 93a is in sliding contact and guides the closing cable 93a. The cable guide 101 includes a main body portion 103 provided on the offset portion 73b of the first close lever 73 and an extending portion 105 extending from the main body portion 103 to the outside of the close lever. Furthermore, the sliding contact surface 105a with which the closing cable 93a of the extending portion 105 is in sliding contact is a curved surface.

  A protrusion (second engagement portion) 103 b is formed on the upper surface of the main body portion 103 of the cable guide 101, and this protrusion 103 b engages with a through hole 75 d formed in the offset portion 75 b of the second close lever 75. Then, the cable guide 101 is positioned in the horizontal direction.

  On the lower surface of the main body 103 of the cable guide 101, there is a first protrusion (first engagement portion) 103 a that contacts the side surface of the offset portion 73 b of the first close lever 73 and positions the cable guide 101 in the horizontal direction. Is formed. Further, a second protrusion (first engagement portion) that contacts the side surface of the offset portion 73b of the first close lever 73 on the lower surface of the extension portion 105 of the cable guide 101 and positions the cable guide 101 in the horizontal direction. 105b is formed.

  In addition, a bent holding portion 75 e that is bent toward the first close lever 73 is integrally formed on the periphery of the second close lever 75. A cutout hole 75f is formed in the bent pinching portion 75e, and the offset pinion portion 73b of the first close lever 73 is fitted into the cutout hole 75f. It is a clamping means which clamps 73 in the lever stacking direction.

  According to such a configuration, the following effects can be obtained.

 (1) The other rotation end portion side of the close lever 71 including the first close lever 73 and the second close lever 75 has offset portions 73b and 75b offset downward from the one rotation end portion, As shown in FIG. 9, interference with the rail cover 111 covering the rail 57 can be prevented.

 (2) Since the closing cable 93a is in sliding contact with the offset portion 73b and the cable guide 101 for guiding the closing cable 93a is provided, the closing cable 93a and the bent portion 73c of the first closing lever 73 of the closing lever 71 are provided. Interference can be prevented.

 (3) The cable guide 101 includes a main body portion 103 provided on the offset portion 73 b of the first close lever 73 of the close lever 71 and an extending portion 105 extending from the main body portion 103 to the outside of the close lever 71. Since the sliding contact surface 105a with which the closing cable 93a of the extending part 105 is in sliding contact is a curved surface, the bending of the closing cable 93a can be suppressed.

 (4) The close lever 71 includes a first close lever 73 and a second close lever 75 that are stacked, and the second close lever 75 is a bent pinching portion 75e that holds the first close lever 73 in the stacking direction. ), When the load by the closing cable 93a acts on the closing lever 71, the first closing lever 73 and the second closing lever 75 are deformed in the stacking direction (the first closing lever 73 and the second closing lever 75 are It is possible to prevent deformation in the approaching direction or deformation in the separating direction.

  Further, when the end of the closing cable 93a is locked to the first close lever 73 and the second close lever 75 as in the present embodiment, the first close lever 73 and the second close lever 75 are stacked in the stacking direction. Therefore, the closing cable 93a does not come off from the closing lever 71.

 (5) Since the bent holding portion 75e (holding means) is integrally formed with the second close lever 75, the cost is low.

 (6) The bent pinching portion 75e (holding means) is formed on the second close lever 75 whose plate thickness is thinner than that of the first close lever 73, so that the bent pinching portion 75e can be easily formed.

 (7) A protrusion (second engaging portion) 103b is formed on the upper surface of the main body 103 of the cable guide 101, and this protrusion 103b is a through hole 75d formed in the offset portion 75b of the second close lever 75. The cable guide 101 is positioned with respect to the first close lever 73 by engaging with.

  On the lower surface of the main body portion 103 of the cable guide 101, a first protrusion (first engagement portion) 103a that contacts the side surface of the offset portion 73b of the first close lever 73 is formed. In addition, a second protrusion (first engagement portion) 105 b that contacts the side surface of the offset portion 73 b of the first close lever 73 is formed on the lower surface of the extension portion 105 of the cable guide 101.

  The first protrusion 103a and the second protrusion 105b also position the cable guide 101 to the first close lever 73.

  The present invention is not limited to the above embodiment. In the above embodiment, the close lever 71 is composed of two levers of the first close lever 73 and the second close lever 75, but it may be a single lever or three or more levers. Also good.

  Further, in the above embodiment, the sandwiching means for sandwiching the other close lever in the stacking direction is the bending sandwiching portion 75e provided in the second close lever 75, but the sandwiching means is formed in the first close lever 73, The second close lever 75 may be sandwiched in the stacking direction.

  Further, in the above embodiment, the cable guide is separate from the close lever, but may be formed integrally with the close lever. This will be described with reference to FIGS. 10 is a perspective view of the slider portion, FIG. 11 is a front view of the close lever of FIG. 10 viewed from the direction of arrow E, FIG. 12 is a right side view of FIG. 11, and FIG. It is sectional drawing.

  10-13, the parts different from those in FIGS. 1-9 are the cable guide and the clamping means, and the other parts have the same configuration. Therefore, the same components are denoted by the same reference numerals, and redundant description is omitted.

  As shown in FIG. 10, a cable guide 75 h is integrally formed with the second close lever 75 of the close lever 71. The cable guide 75h includes a first hanging portion 75i obtained by bending a side portion of the bent portion 75c of the second closing lever 75 in the direction of the first closing lever 73, and an offset portion of the first closing lever 73 from the first hanging portion 75i. The cable guide portion 75j extends toward a space between the second close lever 75 and the offset portion 75b of the second close lever 75, and the slidable contact with the closing cable 93a.

  Further, as shown in FIGS. 11 to 13, the second closing lever 75 is formed with a clamping means for sandwiching the first closing lever 73 in the lever stacking direction. The second close lever 75 is formed with a second hanging portion 75k in which a side portion of the offset portion 75b of the second close lever 75 is bent in the direction of the first close lever 73. A hole 75l is formed in the second hanging portion 75k. On the other hand, on the side surface of the offset portion 73b of the first close lever 73, a protrusion 73k that fits into the hole 75l of the second hanging portion 75k is formed. When the protrusion 73k of the first close lever 73 is fitted into the hole 75l of the second hanging portion 75k of the second close lever 75, when the load by the closing cable 93a acts on the close lever 71, the first close It is possible to prevent the lever 73 and the second close lever 75 from being deformed in the stacking direction. Further, there is an effect that the closing cable 93a does not come off from the closing lever 71.

  Furthermore, since the inner peripheral surface of the hole 75l of the second hanging portion 75k is also a surface facing the protrusion 73k of the first close lever 73 in the plane direction, the first close lever 73 and the second close lever 75 are opposed to each other. Relative movement in the plane direction can be suppressed.

69 Third side roller 71 Close lever 73 First close lever 73b Offset portion 75 Second close lever 75b Offset portion 93a Closing cable

Claims (9)

A sliding door that can be opened and closed at the opening of the vehicle body and is driven in the opening and closing direction by an attached cable,
Rails provided along the opening and closing direction;
A slider movably provided on the rail and attached to the sliding door;
A close lever provided on the slider so as to be horizontally rotatable;
A roller provided on one rotation end side of the close lever and capable of rolling on the side surface of the rail;
When the sliding door is closed and pulled, it acts on the other rotating end side of the closing lever, drives the slider in the closing direction, and the roller pushes the rolling surface of the rail. A closing cable for rotating the closing lever;
The rail is formed so that the roller falls before the sliding door reaches the fully closed position, and is a surface in a direction intersecting with the rolling surface of the rail, on which the roller can come into contact. A recess having
Have
2. The slide door according to claim 1, wherein the other rotation end portion side of the close lever is an offset portion offset downward from the one rotation end portion. The close lever is bent downward and
The sliding door according to claim 1, further comprising an offset portion connected to the bent portion, extending in a substantially horizontal direction, and offset downward from one rotating end portion.   The sliding door according to claim 1 or 2, wherein the offset portion is provided with cable guide means for slidingly contacting the closing cable and guiding the closing cable.   4. The sliding door according to claim 3, wherein the cable guide means is formed integrally with the close lever. The cable guide means includes
A main body provided on the close lever;
An extension part extending from the main body part to the outside of the close lever, the cable sliding contact surface being a curved surface;
The sliding door according to claim 3, comprising: The close lever includes a first close lever and a second close lever that are stacked,
The slide according to any one of claims 1 to 5, wherein one of the first close lever and the second close lever includes a clamping unit that sandwiches the other close lever in the stacking direction. door. The clamping means is integrally formed with one of the first close lever and the second close lever.
The sliding door according to claim 6, wherein the thickness of the one closing lever on which the clamping means is formed is thinner than the thickness of the other closing lever. The clamping means is
8. The slide door according to claim 6, further comprising a surface facing the other close lever of the first close lever and the second close lever in a planar direction. 9. The cable guide means includes
A first engagement portion that engages with the first close lever;
A second engagement portion that engages with the second close lever;
The sliding door according to claim 6, further comprising at least one engaging portion.

Images