JP4468757B2 - Sliding door device for vehicle - Google Patents

Description

  The present invention relates to a vehicle sliding door device that opens and closes an opening formed in a side portion of a vehicle body by a sliding door that moves back and forth.

  2. Description of the Related Art Conventionally, in an automobile vehicle of a one box type or the like, an opening formed on a side portion of a vehicle body is generally opened and closed by a slide door. The sliding door is guided back and forth by three rails provided in parallel. Of the three rails, the upper rail and the lower rail are installed on the vehicle body, and the center rail is installed on the sliding door.

  The center rail and the vehicle body are connected by a center arm. The center rail is formed with a first plate portion extending up and down and a second plate portion extending left and right. The center arm has a lateral regulating roller associated with the first plate portion, a second plate portion, In general, the apparatus includes a vertical support roller (for example, see Patent Document 1). The restriction roller is mainly responsible for the function of guiding the slide door back and forth via the center arm, and the support roller is mainly responsible for the function of supporting the slide door via the center arm.

The regulating rollers are arranged in pairs on the outdoor side and the indoor side, and the first plate portion is clamped by a set of the outdoor side roller and the indoor side roller. Two sets of the restriction rollers are provided at intervals in the front and rear, and a total of four restriction rollers are provided. The support roller is in contact with the second plate portion and is responsible for the load applied from the slide door. Each regulating roller is pivotally supported on the regulating bracket by a pin member, and the supporting roller is pivotally supported on the supporting bracket by the pin member. Each pin member is fixed to each bracket by caulking.
JP-A-11-170868

  By the way, in the said sliding door apparatus for vehicles, since it will receive the load for a center arm share by a support bracket, the strength structure becomes advantageous, so that the fixing structure of a support bracket is strong. Further, when the support bracket and the restriction bracket are coupled, the pin members are fastened to avoid interference, and there is a problem that the degree of freedom in design cannot be ensured in a limited space.

  The present invention has been made in view of the above circumstances, and an object of the present invention is for a vehicle capable of strengthening a fixing structure of a support bracket without reducing design freedom in a limited space. The object is to provide a sliding door device.

  In order to achieve the above object, according to the first aspect of the present invention, in the vehicle sliding door device, an opening formed in a side portion of the vehicle body, a slide door that moves back and forth to open and close the opening, A rail attached to one of the sliding doors and extending in the front-rear direction, and an arm that is guided to the rail in the front-rear direction and the other end is fixed to the other of the vehicle body and the sliding door, and the rail extends vertically. A first plate portion that is present, and a second plate portion that extends to the left and right, and the arm includes a pair of axially-regulated regulating rollers that clamp the first plate portion on the indoor side and the outdoor side. A restriction bracket that is pivotally supported, and a support bracket that is pivotally supported by an axially horizontal support roller that contacts the second plate portion, and at least one of pin members that pass through the restriction rollers is used. The regulation bracket and Characterized in that combining the support bracket.

According to the first aspect of the present invention, each regulating roller mainly functions to guide the sliding door back and forth, and the supporting roller mainly functions to receive the load of the sliding door.
Here, since the support bracket is coupled to the restriction bracket, the fixing structure of the support bracket can be strengthened. Further, since at least one of the pin members of each regulating roller is used for coupling each bracket, it is not necessary to separately provide other fastening parts for coupling each bracket, so that the number of parts can be reduced. In addition, it is not necessary to adopt a structure for avoiding interference with the pin member of the regulating roller on the support bracket side, which is advantageous in terms of space efficiency. Therefore, the limited space between the vehicle body and the sliding door can be used effectively, and the degree of design freedom can be improved.

  According to a second aspect of the present invention, in the vehicle sliding door device according to the first aspect of the present invention, two pairs of the pair of regulating rollers are provided at an interval in the front-rear direction. It is characterized in that it is larger than the interval between the outer regulating rollers.

According to the second aspect of the present invention, in addition to the operation of the first aspect, the interval between the indoor side regulation rollers is larger than the interval between the outdoor side regulation rollers, so that the load from the slide door to the indoor side is increased. When it is easy to concentrate, the load does not concentrate locally on the regulation roller portion on the indoor side. As a result, the load from the slide door can be effectively resisted, and the strength of the center arm can be improved accordingly.
Furthermore, there is also an advantage that when the slide door is moved back and forth, the center arm can be smoothly passed even if the center arm reaches the curved portion of the center rail.

  According to a third aspect of the present invention, in the vehicle sliding door device according to the first or second aspect, the rail is attached to the sliding door, the other end of the arm is fixed to the vehicle body, A roller pin member is used for coupling the restriction bracket and the support bracket.

According to the third aspect of the present invention, in addition to the function of the first or second aspect, the support roller having the horizontal axial direction is pivotally supported by the pin member protruding from the support bracket located on the indoor side. .
Here, since the support bracket is coupled to the regulation bracket by the pin member of the regulation roller on the indoor side, the moment arm in the support bracket can be made shorter than when coupled by the pin member of the regulation roller on the outdoor side. . As a result, the load acting on the support bracket can be reduced, which is further advantageous in terms of strength.

  According to a fourth aspect of the present invention, in the vehicular slide door device according to the third aspect, the pin member of the outdoor regulating roller is separated from the support bracket.

  According to the fourth aspect of the invention, in addition to the action of the third aspect, the support bracket may be extended to a position corresponding to the pin member of the restriction roller on the indoor side, and corresponds to the pin member of the restriction roller on the outdoor side. Compared with the case where it extends to a position, a support bracket can be made small. Further, since the space is generated by the size of the support bracket, the room for selection of the shape and arrangement state of other parts becomes large.

  According to a fifth aspect of the present invention, in the vehicular sliding door device according to the fourth aspect, the support roller is formed by utilizing a space generated by separating the pin member of the regulating roller on the outdoor side and the support bracket. It is characterized by having arranged.

  According to the fifth aspect of the present invention, in addition to the operation of the fourth aspect, the support roller can be disposed close to the outdoor regulating roller, and the arm can be further reduced in size.

  According to a sixth aspect of the present invention, in the vehicle sliding door device according to any one of the third to fifth aspects, the rail has the first plate portion formed on one end side and the other end side. The second plate portion is a plate member that surrounds the support roller and the outdoor regulating roller from the outdoor side.

  According to invention of Claim 6, in addition to the effect | action of any one of Claim 3-5, since a 1st board part and a 2nd board part are integrally shape | molded by a board member, a rail is made into one. It can be composed of a plate member. Further, by covering the support roller and the regulation roller from the outdoor side with the plate member, each roller can be protected, and dust can be prevented from entering the support roller and the regulation roller, which is extremely advantageous in practical use. is there.

  As described above, according to the vehicle sliding door device of the present invention, the fixing structure of the support bracket can be strengthened without reducing the degree of design freedom in a limited space.

  1 to 6 show an embodiment of the present invention. FIG. 1 is a schematic external perspective view of an automobile vehicle equipped with a slide door device, FIG. 2 is an external perspective view of a center arm, and FIG. 3 is a slide door device. FIG. 4 is a partial schematic explanatory view of the sliding door device, FIG. 5 is a bottom view of the center arm, and FIG. 6 is an explanatory view showing an input state of a load from the sliding door to the center arm.

  As shown in FIG. 1, this vehicular slide door device 1 is used in a one-box type automobile vehicle 100, and a rectangular slide door 4 that moves back and forth through an opening 3 formed in a side portion of a vehicle body 2. It opens and closes. The vehicle slide door device 1 is configured to guide the slide door 4 forward and backward by three rails extending forward and backward of the upper rail 5, the center rail 6 and the lower rail 7.

  In the present embodiment, the upper rail 5 and the lower rail 7 are disposed on the vehicle body 2, and the center rail 6 is disposed on the slide door 4. As shown in FIG. 1, the upper rail 5 extends along the upper side of the opening 3, and the lower rail 7 extends along the lower side of the opening 3. The upper rail 5 and the slide door 4 are connected by an upper arm 8 extending in the left-right direction, and the lower rail 7 and the slide door 4 are connected by a lower arm 9 extending in the left-right direction. Further, the center rail 6 and the rear peripheral edge of the opening 3 of the vehicle body 2 are connected by a center arm 10.

  As shown in FIG. 1, one end of the upper arm 8 and the lower arm 9 is guided in the front-rear direction by the upper rail 5 and the lower rail 7, respectively. The other ends of the upper arm 8 and the lower arm 9 are fixed to a pillar portion that forms the front peripheral edge of the slide door 4.

  As shown in FIG. 2, the center arm 10 includes a vehicle body fixing portion 11 that is fastened and fixed to the vehicle body 2, a connection portion 12 that is connected to the vehicle body fixing portion 11 by hinge coupling, and a restriction bracket that is fixed to the connection portion 12. 13 and a support bracket 14 fixed to the restriction bracket 13.

  The vehicle body fixing portion 11 includes a pair of upper and lower protruding plate portions 11a protruding from the vehicle body panel, and a fixed plate portion 11b extending from each protruding plate portion 11a along the vehicle body panel. Each fixing plate portion 11b is formed with an insertion hole 11c through which a fastening bolt is inserted. In this embodiment, the extending part 11d which connects one side part of each protrusion board part 11a is formed, and each protrusion board part 11a and the extension part 11d are exhibiting substantially U shape.

  The connection part 12 has the protrusion board part 12a which follows the up-and-down outer side of each protrusion board part 11a. A hinge pin 15 is inserted through each protruding plate portion 11a of the vehicle body fixing portion 11 and each protruding plate portion 12a of the connection portion 12, so that the vehicle body fixing portion 11 and the connection portion 12 are rotatable. Each protruding plate portion 12a is formed to protrude from the upper end and the lower end of the body plate 12b extending vertically.

  As shown in FIG. 2, a restriction bracket 13 having a substantially L shape is fixed to the main body plate 12 b of the connection portion 12. The restriction bracket 13 includes a fixed portion 13a that is vertically formed along the main body plate 12b, and a roller support portion 13b that extends horizontally from the lower end of the fixed portion 13a to the outdoor side. The fixing portion 13a is fastened and fixed to the main body plate 12b by bolts 13c. The roller support portion 13b is pivotally supported by an axially vertical regulating roller 16 associated with the first plate portion 6a of the center rail 6 (see FIG. 3).

  As shown in FIG. 4, the restriction roller 16 is disposed on the outdoor side and the indoor side of the first plate portion 6 a, and the first plate portion 6 a is sandwiched between the pair of restriction rollers 16. As shown in FIG. 3, a pin member 16 a fixed to the restriction bracket 13 is inserted into each restriction roller 16. Two sets of regulation rollers 16 that form a pair on the outdoor side and the indoor side are provided at intervals in the front-rear direction. As shown in FIG. 5, the interval A between the indoor regulation rollers 16 is larger than the interval B between the outdoor regulation rollers 16.

  A support bracket 14 having a substantially L shape is fixed to the roller support portion 13 b of the restriction bracket 13. The support bracket 14 includes a fixed portion 14a that is formed horizontally along the upper surface of the roller support portion 13b, and a roller support portion 14b that extends upward from the indoor side end of the fixed portion 14a.

  As shown in FIG. 3, the fixing portion 14 a is coupled to the roller support portion 13 b of the restriction bracket 13 by a pin member 16 a of the restriction roller 16 on the indoor side. The indoor-side pin member 16 a is fixed by caulking through both the fixing portion 14 a of the support bracket 14 and the roller support portion 13 b of the restriction bracket 13. As shown in FIG. 2, in this embodiment, the support bracket 14 is formed longer than the space between the indoor pin members 16a, and the restriction bracket is formed using one of the two indoor pin members 16a. 13, and the opposite side is fixed by an independent pin member 14 c that is not related to the regulating roller 16. Note that a substantially circular hole 14d penetrating vertically is formed between the one pin member 16a and the independent pin member 14c in the fixing portion 14a of the support bracket 14 so as not to interfere with the other indoor side pin member 16a. Is done. Here, without using the independent pin member 14c, the brackets 13 and 14 may be coupled by the pin members 16a on both indoor sides.

  Further, as shown in FIG. 3, the fixing portion 14a of the support bracket 14 does not extend to the position of the outdoor pin member 16a. That is, the outdoor-side pin member 16a is formed shorter than the indoor-side pin member 16a, and only the fixing portion 14a of the support bracket 14 is inserted and fixed by caulking. The pin member 16 a of the outdoor regulating roller 16 is separated from the support bracket 14. An axially horizontal support roller 17 related to the second plate portion 6b of the center rail 6 is rotatably supported by the roller support portion 14b. The support roller 17 is arranged using a space generated by separating the pin member 16a of the outdoor regulating roller 16 and the support bracket 14, and is supported by a pin member 17a inserted through the roller support portion 14b.

  In the present embodiment, as shown in FIG. 3, the center rail 6 has a first plate portion 6a formed on one end side and a second plate portion 6b formed on the other end side. It is a plate member that surrounds the outer regulating roller 16 from the outdoor side. The second plate portion 6b extending to the left and right protrudes inward from the panel of the slide door 4 and a fixing portion 6c is formed extending downward from the outdoor end of the second plate portion 6b along the panel of the slide door 4. A protrusion 6d that protrudes indoors from the lower end of the fixed part 6c is formed, and a first plate 6a that extends upward and downward from the indoor end of the protrusion 6d is formed.

According to the vehicle slide door device 1 configured as described above, each regulating roller 16 mainly functions to guide the slide door 4 back and forth, and the support roller 17 mainly functions to receive the load of the slide door 4. . Then, as shown in FIG. 6, a load is applied to the center arm 10 from the slide door 4.
Here, since the support bracket 14 is coupled to the restriction bracket 13, the fixing structure of the support bracket 14 can be strengthened. Further, since at least one of the pin members 16a of the regulating rollers 16 is used for coupling the brackets 13 and 14, it is not necessary to separately provide other fastening parts or the like for coupling the brackets 13 and 14. Therefore, the number of parts can be reduced. Further, it is not necessary to adopt a structure for avoiding interference with the pin member 16a of the regulating roller 16 on the support bracket 14 side, which is advantageous in terms of space efficiency. Therefore, the limited space between the vehicle body 2 and the slide door 4 can be used effectively, and the degree of freedom in design can be improved.

Further, according to the vehicle slide door device 1 of the present embodiment, since the interval A between the indoor regulation rollers 16 is larger than the interval B between the outdoor regulation rollers 16, the slide door 4 extends from the slide door 4 to the indoor side. However, the load does not concentrate locally on the portion of the regulation roller 16 on the indoor side. Thereby, the load from the slide door 4 can be effectively resisted, and the strength of the center arm 10 can also be improved.
Furthermore, there is an advantage that when the slide door 4 is moved back and forth, the center arm 10 can be smoothly passed even if the center arm 10 reaches the curved portion of the center rail 6.

Further, according to the vehicle slide door device 1 of the present embodiment, the support roller 17 whose axial direction is horizontal is pivotally supported by the pin member 17a protruding from the support bracket 14 located on the indoor side.
Here, since the support bracket 14 is coupled to the regulation bracket 13 by the pin member 16a of the regulation roller 16 on the indoor side, the moment arm in the support bracket is more than the case of coupling by the pin member 16a of the regulation roller 16 on the outdoor side. Can be shortened. Thereby, the load which acts on the support bracket 14 can be reduced, and it becomes further advantageous in strength.

  Further, according to the vehicle slide door device 1 of the present embodiment, the support bracket 14 may be extended to a position corresponding to the pin member 16a of the indoor regulating roller 16, and the pin member 16a of the outdoor regulating roller 16 is provided. The support bracket 14 can be made smaller as compared to the case where the support bracket 14 is extended to the corresponding position. Moreover, since the space is generated by the size of the support bracket 14, the room for selection of the shape and arrangement state of other components is increased.

  In particular, in the present embodiment, the support roller 17 is arranged using a space generated by separating the pin member 16a of the outdoor regulating roller 16 and the support bracket 14 from each other. The center arm 10 can be reduced in size because it can be arranged close to the roller 16.

  Further, according to the vehicle sliding door device 1 of the present embodiment, the first plate portion 6a and the second plate portion 6b are integrally formed by the plate member, and the center rail 6 is constituted by one plate member. Further, by covering the support roller 17 and the regulation roller 16 from the outdoor side by the plate member, it is possible to protect the rollers 16 and 17 and to suppress the intrusion of dust into the support roller 17 and the regulation roller 16. This is extremely advantageous in practical use.

In the above-described embodiment, the present invention is applied to the center rail 6 and the center arm 10, but the present invention may be applied to the upper rail 5 and the upper arm 8, and the lower rail 7 and the lower arm 9. Of course.
Further, although the center rail 6 is attached to the slide door 4 and the other end of the center arm 10 is fixed to the vehicle body 2, the center rail 6 is attached to the vehicle body 2 and the other end of the center arm 10 is slid. It may be fixed to the door 4. In short, the center rail 6 may be attached to one of the vehicle body 2 and the slide door 4 and the other end of the center arm 10 may be fixed to the other.

  In the above embodiment, the restriction bracket 13 and the support bracket 14 are coupled only by the pin member 16a of the indoor regulation roller 16. However, each bracket 13 is coupled by the pin member 16a of the outdoor restriction roller 16a. , 14 may be combined.

  Moreover, in the said embodiment, although what showed the support roller 17 using the space produced by separating the pin member 16a of the outdoor side regulation roller 16 and the support bracket 14 was shown, installation of other components was shown. Of course, it may be a space or the like, and other specific details such as a detailed structure can be changed as appropriate.

1 is a schematic external perspective view of an automobile vehicle provided with a slide door device according to an embodiment of the present invention. It is an external appearance perspective view of a center arm. It is a partial back sectional view of a slide door device. It is a partial schematic explanatory drawing of a sliding door apparatus. It is a bottom view of a center arm. It is explanatory drawing which shows the input state of the load from a slide door to a center arm.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle slide door apparatus 2 Car body 3 Opening 4 Slide door 6 Center rail 6a 1st board part 6b 2nd board part 10 Center arm 13 Restriction bracket 14 Support bracket 16 Restriction roller 16a Pin member 17 Support roller A Restriction roller on the indoor side Interval between B Interval between regulation rollers outside the room

Claims (6)

An opening formed on the side of the vehicle body;
A sliding door that moves back and forth to open and close the opening;
A rail attached to one of the vehicle body and the sliding door and extending forward and backward,
The rail is provided with one end guided in the front-rear direction and the other end fixed to the other of the vehicle body and the sliding door,
The rail has a first plate portion extending vertically and a second plate portion extending left and right,
The arm includes a restriction bracket on which a pair of vertical restriction rollers in the axial direction for pinching the first plate portion on the indoor side and the outdoor side is supported, and an axial horizontal support roller in contact with the second plate portion. A support bracket that is pivotally supported, and
A sliding door device for a vehicle, wherein the restriction bracket and the support bracket are coupled using at least one of pin members that pass through the restriction rollers. Two pairs of the pair of regulating rollers are provided at an interval in the front and rear direction,
The sliding door device for a vehicle according to claim 1, wherein an interval between the indoor regulating rollers is larger than an interval between the outdoor regulating rollers. The rail is attached to the sliding door;
The other end of the arm is fixed to the vehicle body,
The vehicle sliding door device according to claim 1 or 2, wherein a pin member of a restriction roller on the indoor side is used for coupling the restriction bracket and the support bracket.   4. The vehicular sliding door device according to claim 3, wherein a pin member of an outdoor regulating roller is separated from the support bracket.   5. The vehicular slide door device according to claim 4, wherein the support roller is arranged by utilizing a space generated by separating the pin member of the regulation roller outside the room and the support bracket.   The rail is a plate member in which the first plate portion is formed on one end side and the second plate portion is formed on the other end side and surrounds the support roller and the outdoor regulating roller from the outdoor side. The sliding door device for vehicles according to any one of claims 3 to 5 characterized by these.

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