JP5284634B2 - slide door - Google Patents

Description

  The present invention is a sliding door provided in an opening that can be opened and closed. The sliding door main body closes the opening of the vehicle body, and the sliding door main body is closed when the closing direction side is the front and the opening direction side is the rear. A slider provided rotatably at the rear part of the door main body, a slider movably engaged, a main body part provided on a vehicle body on the rear side of the opening, and connected to the main body part. And the rear portion of the slide door body is placed in the opening while the front portion of the slide door body is in contact with the wall surface of the opening when the slide door body is fully closed. The present invention relates to a slide door having a guide composed of a curved portion that guides in a direction to be pulled in.

  As shown in FIG. 10, there is a vehicle having a slide door 105 that can be opened and closed at an opening 103 of a vehicle body 101. As shown in FIG. 11, which is a cross-sectional view taken along the cutting line BB in FIG. 10, the slide door 105 includes a slide door main body 107 that closes the opening 103 of the vehicle body 101, a front side in the closing direction of the slide door main body 107, When the opening direction side is the rear, the slider 109 is configured to be rotatably provided at the rear portion of the slide door main body 107, and a guide 111 in which the slider 109 is movably engaged.

  In the case of an electric slide door, a wire wound around a drum is connected to the slide door main body 107, and the slide door main body 107 moves along the guide 111 by rotating the drum and pulling the wire. .

A convex stopper 107 a is provided on the front surface of the slide door main body 107, and a concave stopper 103 a that can contact the convex stopper 107 a is provided in the opening 103.
The guide 111 includes a main body 113 provided on the vehicle body 101 on the rear side of the opening 103, and a curved portion 115 that is connected to the main body 113 and curves toward the inside of the vehicle body 101 through the opening 103. Yes. The curved portion 115 of the guide 111 is configured so that the rear portion of the slide door main body 107 is brought into the opening 103 while the stopper 107a of the slide door main body 107 is in contact with the stopper 103a of the opening 103 when the slide door main body 107 is fully closed. It is designed to guide in the direction of pulling.

  However, when the size of the slide door main body 107 becomes larger than the size of the opening 103 due to variations in component accuracy, the slide door main body 107 is pulled into the opening 103 while being elastically deformed when fully closed. The power to draw in becomes very large.

Therefore, a large-diameter portion and a small-diameter portion are formed on a drum around which a wire that pulls the slide door body 107 is wound, and when fully closed, the wire is wound around the small-diameter portion that generates high torque (Patent Document). 1).
Japanese Patent Laid-Open No. 7-113373 (FIG. 2)

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.
This invention is made | formed in view of the said problem, The subject is providing the sliding door with which the force which draws a sliding door main body into opening becomes small.

According to a first aspect of the present invention, there is provided a slide door that can be opened and closed at an opening of a vehicle body, the slide door body closing the opening of the vehicle body, the closing direction side of the sliding door body being front, and the opening direction side being rear And a slider provided rotatably at the rear of the slide door body, and a gap through which the slider passes along the opening and closing direction of the slide door body, the slider is movably engaged, A main body provided in a vehicle body on the rear side of the opening; and the main body portion connected to the main body, curved toward the inner side of the vehicle body through the opening, and when the sliding door main body is fully closed, the sliding door main body in a state where the front is in contact with the wall surface of the opening, the sliding door having a guide made of a curved portion for guiding a direction to pull the rear portion of the sliding door body in the opening, of the curved portion In serial clearance surface opposed to the elastic member provided in a portion where the slider is movably engaged with the elastic body, a leaf spring, it is any one of rubber, the elastic body, the sliding door body The sliding door is biased in the forward direction.

In the present invention, the slider is movably engaged with the guide. However, the slider may slide with respect to the guide or the slider may roll with respect to the guide, but is not limited thereto.

According to the first aspect of the present invention, when the size of the sliding door body in the sliding direction is larger than the size of the opening of the vehicle body in the sliding direction of the sliding door body, the elastic body is elastically deformed to absorb the dimensional error. The force that pulls the slide door body into the opening is reduced.

Further , the elastic body biases the slide door body in the forward direction, so that the sliding direction of the sliding door body is smaller than the size of the opening of the vehicle body in the sliding direction of the sliding door body. When the door body is drawn into the opening, the play between the sliding door body and the opening is prevented.

  Initially, the whole structure of a slide door is demonstrated using FIG. FIG. 4 is a side view of a vehicle provided with a sliding door. As shown in the figure, an opening 3 is provided on the side surface of the vehicle body 1. Reference numeral 5 denotes a slide door body that closes the opening 3. When the sliding door body 5 has the front side in the closing direction and the rear side in the opening direction, a slider (not shown) is rotatably provided at the rear portion of the sliding door body 5. The slider 7 is a rail 7 serving as a guide. Is movably engaged.

Next, a mechanism for driving the slide door body 5 will be described with reference to FIGS. FIG. 5 is a perspective view of a mechanism for driving the slide door body, and FIG. 6 is a cross-sectional view taken along line AA in FIG.
As shown in FIG. 5, the rail 7 is connected to the main body 8 provided on the vehicle body 1 on the rear side of the opening 3 and the main body 8, and is curved toward the inside of the vehicle body 1 through the opening 3. It consists of a curved portion 10. A bracket 9 attached to the vehicle body 1 is provided at the end of the bending portion 10.

  As shown in FIG. 6, the cross-sectional shape of the rail 7 is bent from the bottom portion 7a, the first side portion 7b bent upward from one end portion of the bottom portion 7a, and the upper portion of the first side portion 7b. The top portion 7c faces the bottom portion 7a, and the second side portion 7d is bent from the other end portion of the top portion 7c toward the bottom portion 7a. A gap 7e is formed between the second side 7d and the bottom 7a.

Returning to FIG. 5, a slider 11 is movably provided on the rail 7.
Here, the slider 11 will be described with reference to FIG. Reference numeral 63 denotes a bracket (hinge mail) provided on the slide door body 5. The slider 11 is rotatably attached to the bracket 63 using a pin 61. The slider 11 includes a second roller 13 that rolls on the bottom 7 a of the rail 7, a third roller 15 that rolls on the first side 7 b and the second side 7 d of the rail 7, 4 rollers 17 are provided and are movable to the rail 7. In this embodiment, the fourth roller 17 is provided on the leading side of the slider 11 when the slide door body 5 moves in the closing direction.

  Returning to FIG. 5, reference numeral 31 denotes a drum driving unit provided in the vehicle body 1 and having a drum around which a cable is wound and a motor for driving the drum. Since the drum drive unit 31 has the same structure as the drum drive unit used in the wire type electric window regulator, a detailed description thereof will be omitted. The drum drive unit 31 has two cables 33a and 33b. When the drum in the drum drive unit 31 rotates in one direction, the cable 33a is wound around the drum and the cable 33b is fed out from the drum. Conversely, when the drum rotates in the other direction, the cable 33a is unwound from the drum, and the cable 33b is wound around the drum.

  One cable 33a is guided to the one end side of the rail 7 by the first outer casing 35, and the tip thereof is connected to the slider 11 (see FIG. 3). The other cable 33b is guided to the other end side of the rail 7 by the second outer casing 37 and the third outer casing 39, and is connected to the slider 11 (see FIG. 3).

  Then, as shown in FIG. 1 which is an exploded perspective view seen from the direction B of FIG. 5 with the bracket 9 removed, in this embodiment, the first side portion 7b of the curved portion 10 of the rail 7 is notched. A hole 7f is formed, and a leaf spring 51 as an elastic body is provided in the cutout hole 7f. The leaf spring 51 is attached by attaching a weld bolt 53 to the outer surface of the first side 7b of the rail 7, forming a hole 51a through which the weld bolt 53 is inserted, and a weld bolt 53 through which the hole 51a is inserted. This is done by screwing the nut 55 into the screw. In this embodiment, the leaf spring 51 is provided so as to be substantially flush with the first side portion 7b in the natural state.

Next, the operation of the above configuration will be described.
When the drum in the drum drive unit 31 rotates in one direction, the cable 33a is wound around the drum, and the slider 11 and the slide door body 5 move in the closing direction.

  Conversely, when the drum in the drum drive unit 31 rotates in the other direction, the cable 33b is wound around the drum, and the slider 11 and the slide door body 5 move in the opening direction.

  According to such a configuration, when the size of the sliding door body 5 in the sliding direction is larger than the size of the opening 3 of the vehicle body 1 in the sliding direction of the sliding door body 5, as shown in FIG. When the fourth roller 17 of the slider 11 is placed on the spring 51, the leaf spring 51 is elastically deformed in the outer direction of the rail 7 (in the direction of arrow D in FIG. 2) to absorb the dimensional error, and the slide door body 5 is moved. The force drawn into the opening 3 is reduced.

The present invention is not limited to the above embodiment.
In the above embodiment, the description has been made with an example in which the rollers 15 and 17 are provided on the 11. However, instead of the rollers, a shoe that slides on the first side portion 7b and the second side portion 7d may be used. good.

  The leaf spring 51 is provided so as to be substantially flush with the first side portion 7b in the natural state, but may be provided so as to protrude into the rail 7 in the natural state. In this case, the diameters of the rollers 15 and 17 are reduced, and the roller 7 can roll on either one of the first side 7b and the second side 7d of the rail 7. When the sliding direction of the sliding door body 5 is smaller than the sliding direction of the sliding door body 5 at the opening 3 of the vehicle body 1, when the sliding door body 5 is drawn into the opening 3, the spring causes the roller 17 to move. 2 is pushed in the direction of the side portion 7d to prevent the slide door body 5 and the opening 3 from rattling.

  Further, as shown in FIG. 7, the leaf spring as the elastic body is provided with two slits S <b> 1 and S <b> 2 along the longitudinal direction of the rail from the terminal surface of the rail 7 on the first side portion 7 b of the rail 7. It may be a leaf spring portion 7s formed thereby.

  The elastic body may be rubber other than the leaf spring. As shown in FIGS. 8 and 9, the rubber is attached by forming a notch 7f in the first side 7b of the curved portion 10 of the rail 7, and attaching a rubber 62 to the notch 7f. 63 is provided.

It is a figure which shows the invention part of embodiment, and is the exploded perspective view seen from the B direction of FIG. 5 which removed the bracket. It is a figure explaining the action | operation of an invention part. It 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 perspective view of the mechanism which drives a slide door main body. FIG. 6 is a cross-sectional view taken along a cutting line AA in FIG. 5. It is a figure explaining the other example of a form of an elastic body. It is a figure which shows the example which used rubber | gum as an elastic body. It is sectional drawing in the cutting line EE of FIG. It is a figure explaining a sliding door. It is sectional drawing in the cutting line BB of FIG.

Explanation of symbols

5 Slide door 7 Rail 10 Bending part 11 Slider 51 Leaf spring (elastic body)

Claims (1)

A sliding door provided at the opening of the vehicle body so as to be openable and closable,
A sliding door body that closes the opening of the vehicle body;
When the closing direction side of the sliding door main body is the front and the opening direction side is the rear, a slider provided rotatably at the rear part of the sliding door main body,
A guide having a gap through which the slider passes along the opening / closing direction of the slide door body, the slider being movably engaged, and a body portion provided on a vehicle body on the rear side of the opening; Continuing to the main body, curved toward the inside of the vehicle body through the opening, and when the sliding door main body is fully closed, the front portion of the sliding door main body is in contact with the wall surface side of the opening, A guide composed of a curved portion for guiding the rear portion of the slide door main body in a direction to be pulled into the opening;
In a sliding door having
An elastic body is provided on a portion of the curved portion facing the gap so that the slider is movably engaged;
The said elastic body is either a leaf | plate spring and rubber | gum, and the said elastic body urges | biases a slide door main body to the said front direction, The slide door characterized by the above-mentioned.

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