JP2019182057A - Vehicle opening/closing structure - Google Patents

Abstract

To provide a vehicle opening/closing structure which can inhibit rattling of an opening/closing member.SOLUTION: A vehicle opening/closing structure includes: a pair of guide rails 40 which are disposed so as to extend sandwiching an opening 2a provided at a vehicle 1; a resin back door 7 which is slidably guided by the pair of guide rails 40 and opens or closes the opening 2a; and a restraint unit 26 which has compression members 27 which press at least one side surface 7a of the back door 7 to compress the back door 7 and restrains the back door 7.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an opening / closing structure for a vehicle.

  As a conventional vehicle opening / closing structure, for example, a technique described in Patent Document 1 is known. The vehicle opening / closing structure described in Patent Literature 1 includes a shutter block that is an opening / closing member. The shutter block has a plurality of shutter plates which are connected along the shutter moving direction and are made of a hard resin. The shutter plate is movable along a rail close to the window frame.

JP 2006-219086 A

  In the above prior art, since the shutter plate is made of resin, the weight of the shutter block can be reduced, but the rigidity of the shutter block has to be reduced. As described above, when the shutter block has insufficient rigidity, it becomes easy for the shutter block to rattle.

  An object of the present invention is to provide a vehicle opening / closing structure capable of suppressing rattling of an opening / closing member.

  An opening / closing structure for a vehicle according to one aspect of the present invention is slidably guided by a pair of guide rails and a pair of guide rails arranged so as to extend across an opening provided in the vehicle, A resin opening and closing member that opens and closes the opening, a pressing member that pressurizes the opening and closing member by pressing at least one side surface of the opening and closing member, and a restraining unit that restrains the opening and closing member. .

  In such a vehicle opening and closing structure, the opening and closing member opens and closes the opening by sliding the opening and closing member with respect to a pair of guide rails arranged to extend across the opening provided in the vehicle. Operate. The opening / closing member is pressed by pressing at least one side surface by the pressing member, and is restrained as a result. Thereby, even if the opening and closing member is made of resin, the rigidity of the opening and closing member is increased, and rattling of the opening and closing member is suppressed.

  At least one side surface of the opening / closing member is provided with a concave portion that engages with the tip of the pressure member, and the pressure member may press the opening / closing member by pressing the concave portion. In this case, even when the position of the opening / closing member and the pressure member is slightly shifted, when the pressure member presses the side surface of the opening / closing member, the concave portion provided on the side surface of the opening / closing member is When the front end portion enters, the position of the pressing member with respect to the opening / closing member is corrected, and the positions of the opening / closing member and the pressing member are easily matched.

  The restraining unit includes a drive unit that moves the pressing member toward the side surface of the opening / closing member, and a control unit that controls the driving unit so that the pressing member pressurizes the opening / closing member when the opening / closing member is in the fully closed state. You may have. In this case, when the opening / closing member is in the fully closed state, the opening / closing member is pressurized by the pressing member. By the way, the vehicle travels in a fully closed state of the opening / closing member. For this reason, when the vehicle is traveling, the opening / closing member is pressurized by the pressure member, and the opening / closing member in the fully closed state is restrained. Therefore, rattling of the opening / closing member is suppressed, and vibration and noise are less likely to occur.

  The vehicle opening / closing structure includes a lock unit that locks the opening / closing member with respect to the vehicle body of the vehicle when the opening / closing member is in a fully closed state, and a lock detection unit that detects whether the opening / closing member is locked with respect to the vehicle body. The control unit may control the drive unit so that the pressing member pressurizes the opening / closing member when the lock detecting unit detects that the opening / closing member is locked with respect to the vehicle body. In this case, the opening / closing member is locked to the vehicle body when the opening / closing member is in the fully closed state. Then, the opening / closing member is pressurized by the pressing member, so that the opening / closing member in the fully closed state is reliably restrained.

  The opening is provided in the rear part of the vehicle, and the pair of guide rails may extend in the vertical direction on both sides of the opening in the vehicle width direction. In this case, the opening / closing member can function as a back door by moving the opening / closing member up and down with respect to the opening. Therefore, rattling of the back door is suppressed.

  According to the present invention, rattling of the opening / closing member can be suppressed.

1 is a perspective view showing a rear portion of a vehicle provided with a vehicle opening / closing structure according to an embodiment of the present invention. It is sectional drawing which shows the rear side part of the vehicle shown by FIG. FIG. 2 is a perspective view showing a state where a back door is opened at a rear portion of the vehicle shown in FIG. 1. It is an expanded sectional view of the part A shown by FIG. It is a figure which shows the VV sectional view taken on the line of FIG. 1 with the structure of a control system. FIG. 4 is an enlarged sectional view of a portion B shown in FIG. 3. It is a flowchart which shows the procedure of the drive system control process by the controller shown by FIG. It is sectional drawing which shows a mode that a back door is pressurized by the pressurization member shown by FIG. It is sectional drawing which shows the modification of the vehicle opening / closing structure which concerns on one Embodiment of this invention, and is a figure corresponding to FIG.8 (b).

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or equivalent elements are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a perspective view showing a rear portion of a vehicle having a vehicle opening / closing structure according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a rear portion of the vehicle shown in FIG. 1 and 2, the vehicle 1 includes a vehicle body 2. The arrow FR in the figure indicates the front side of the vehicle body 2 in the front-rear direction, the arrow UP in the figure indicates the upper side in the vertical direction of the vehicle body 2, and the arrow OUT in the figure indicates the left-right direction of the vehicle body 2 (vehicle The outside in the width direction is shown.

  The vehicle body 2 includes a roof panel 3 and a pair of side panels 4 arranged on the left and right sides of the roof panel 3. The roof panel 3 is provided on the upper part of the vehicle body 2. The side panel 4 is provided on the side portion of the vehicle body 2. A bumper 5 is provided at the lower rear end of the vehicle body 2. A spoiler 6 is provided at the upper rear end of the vehicle body 2.

  As shown in FIG. 3, an opening 2 a is provided at the rear end of the vehicle body 2. The opening 2 a is defined by the rear end of the roof panel 3 and the pair of side panels 4 and the upper end of the bumper 5. A curved portion 4a is provided at the rear end of the side panel 4 that forms the opening 2a. A region above the curved portion 4 a in the opening 2 a (hereinafter, an upper region of the opening 2 a) has a shape that bends to the front side of the vehicle body 2.

  In addition, the vehicle 1 includes an openable back door 7 that covers the opening 2 a at the rear end of the vehicle body 2 as shown in FIGS. 1 to 3. The back door 7 is a resin opening / closing member that can be moved up and down with respect to the opening 2a. 1 and 2 show a state where the back door 7 is closed, and FIG. 3 shows a state where the back door 7 is opened. Moreover, in the following description, the up-down direction with respect to the back door 7 is a direction when the back door 7 is closed.

  The back door 7 includes a plurality of panel portions 8 arranged along the vertical direction of the vehicle body 2 and a plurality of panel portions 8 provided integrally with the panel portion 8 so as to be disposed between the panel portions 8 and 8. And the soft portion 9. That is, the back door 7 has a structure in which the panel portions 8 and the soft portions 9 are alternately arranged along the vertical direction of the vehicle body 2. The panel part 8 and the soft part 9 are extended in the vehicle width direction. Panel portions 8 are disposed at both ends of the back door 7 in the vertical direction. A panel 10 located at the lower end of the back door 7 is provided with a handle 10 for opening and closing the back door 7.

  The panel part 8 is formed with transparent resin. Examples of the transparent resin include polycarbonate and acrylic resin. The soft portion 9 is made of a soft resin that is softer than the transparent resin. Examples of the soft resin include an elastomer. The soft part 9 is more easily elastically deformed than the panel part 8.

  As shown in FIG. 4, the soft portion 9 is, for example, relative to the panel portions 8 adjacent to both sides when viewed from the vehicle width direction (direction perpendicular to the thickness direction (X direction) of the soft portion 9). It is formed in a curved concave shape. For this reason, the height dimension of the soft part 9 at both ends in the thickness direction of the soft part 9 is larger than the height dimension of the soft part 9 in the central part in the thickness direction of the soft part 9. The height dimension of the soft part 9 is a dimension along the arrangement direction (Y direction) of the panel part 8. 4 is an enlarged sectional view of a portion A in FIG.

  As shown in FIGS. 5 and 6, for example, two guide protrusions 11 are provided at both ends in the longitudinal direction of the panel portion 8. The guide protrusion 11 is integrated with the panel portion 8.

  In such a back door 7, the panel portion 8 and the soft portion 9 are integrally formed by two-color molding, for example. Specifically, after the panel portion 8 is molded in the mold, the soft portion 9 is molded integrally with the panel portion 8 in another mold.

  A frame 12 extending in the vertical direction of the vehicle body 2 is attached to the rear end portion of each side panel 4. As described above, the upper region of the opening 2 a has a shape that bends to the front side of the vehicle body 2. For this reason, the upper part of the frame 12 is bent to the front side of the vehicle body 2 according to the shape of the opening 2a.

  As shown in FIG. 5, the frame 12 includes a lifting rail 13 that guides the back door 7 so as to be slidable in the vertical direction of the vehicle body 2. That is, the vehicle 1 includes a pair of lifting rails 13 provided on both sides in the vehicle width direction of the rear portion of the vehicle body 2. The elevating rail 13 is provided with a protrusion accommodating portion 14 in which the guide protrusion 11 of the back door 7 is accommodated. 5 is a cross-sectional view taken along the line V-V in FIG.

  Further, the frame 12 has a pressure member accommodating portion 15 in which a pressure member 27 described later is accommodated. The pressurizing member accommodating portion 15 is provided on the outer side in the vehicle width direction than the protruding portion accommodating portion 14 of the lifting rail 13 in the frame 12. A plurality of insertion holes 16 (see FIG. 8) through which a pressing member 28 described later is inserted are provided in the outer wall 12a located on the outermost side in the vehicle width direction of the frame 12.

  Roof rails 17 that guide the back door 7 to be slidable in the front-rear direction of the vehicle body 2 are attached to the upper surfaces of both ends in the vehicle width direction of the roof panel 3. That is, the vehicle 1 includes a pair of roof rails 17 provided on both sides of the roof panel 3 in the vehicle width direction. The roof rail 17 extends in the front-rear direction of the vehicle body 2. The roof rail 17 is disposed continuously with the lifting rail 13. Note that the roof rail 17 may be disposed with a slight gap from the elevating rail 13.

  The pair of elevating rails 13 and the pair of roof rails 17 constitute a pair of guide rails 40 arranged so as to extend across the opening 2a. The back door 7 is slidably guided by a pair of guide rails 40. Each panel part 8 of the back door 7 is arranged along the extending direction of the guide rail 40.

  As shown in FIG. 6, the roof rail 17 is provided with a protrusion accommodating portion 18 in which the guide protrusion 11 of the back door 7 is accommodated. The roof rail 17 is disposed at a position where the rear end of the protrusion accommodating portion 18 formed on the roof rail 17 faces the front end of the protrusion accommodating portion 14 formed on the lifting rail 13. For this reason, the guide protrusion 11 of the back door 7 is movable across the protrusion accommodating portion 14 formed on the lifting rail 13 and the protrusion accommodating portion 18 formed on the roof rail 17. 6 is an enlarged cross-sectional view of a portion B in FIG.

  Further, as shown in FIG. 1, the vehicle 1 includes a lock unit 20 that locks the back door 7 with respect to the vehicle body 2 when the back door 7 is in a fully closed state, and the back door 7 by the lock unit 20. A lock detection sensor 21 (lock detection unit) for detecting whether or not the vehicle body 2 is locked, a lock release lever 22 for releasing the lock of the back door 7 with respect to the vehicle body 2, and the lock release lever 22 2 and an unlock detection sensor 23 for detecting whether or not the back door 7 is unlocked with respect to 2.

  The lock unit 20 includes a latch 24 attached to the back door 7 and a striker 25 attached to a frame (not shown) in the bumper 5 and engaged with the latch 24. When the latch 24 is engaged with the striker 25, the back door 7 and the frame in the bumper 5 are locked. The frame inside the bumper 5 is a part of the vehicle body 2.

  The lock detection sensor 21 is a contact switch attached to the bumper 5, for example. When the latch 24 comes into contact with the lock detection sensor 21, it is detected that the back door 7 and the frame in the bumper 5 are locked.

  The lock release lever 22 is disposed in the handle 10, for example. The unlock detection sensor 23 is a contact switch attached to the back door 7, for example. When the unlock lever 22 contacts the unlock detection sensor 23, it is detected that the locked state between the back door 7 and the frame in the bumper 5 is released.

  Furthermore, the vehicle 1 includes a restraining unit 26 that restrains the back door 7 in the vehicle width direction of the vehicle 1 as shown in FIG. 5. The restraining unit 26 includes a pair of pressure members 27, a pair or a plurality of pairs of pressing members 28, a pair of drive systems 29, and a controller 30 (control unit).

  Each pressurizing member 27 is accommodated in the pressurizing member accommodating portion 15 of the frame 12, and presses the back door 7 in the vehicle width direction by pressing the side surface 7a of the back door 7 from both sides in the vehicle width direction. The pressure member 27 extends in the vertical direction of the vehicle body 2 along the frame 12. The pressure member 27 includes a metal base portion 31 and a rubber pressing portion 32 attached to the tip of the base portion 31. The pressing part 32 contacts the side surface 7a of the back door 7 and presses the side surface 7a. The front end surface of the pressing part 32 has, for example, a cross-sectional curved shape. By forming the pressing portion 32 with rubber, it is possible to prevent the back door 7 from being damaged when the side surface 7a of the back door 7 is pressed.

  The pressing member 28 is made of, for example, a highly rigid wire. One end of the pressing member 28 is connected to the base end of the base portion 31 of the pressing member 27. At this time, the pressing member 28 is inserted through the insertion hole 16 (see FIG. 8) provided in the outer wall 12 a of the frame 12.

  The drive system 29 moves the pressing member 28 in the vehicle width direction. The drive system 29 has a gear mechanism composed of, for example, a rack and pinion or a worm gear, and an electric motor that rotationally drives the gear mechanism. The other end of the pressing member 28 is connected to the gear mechanism. The pressing member 28 and the driving system 29 constitute a driving unit that moves the pressing member 27 toward the side surface 7 a of the back door 7.

  The controller 30 includes a CPU, a RAM, a ROM, an input / output interface, and the like. The controller 30 controls the drive system 29 based on detection signals from the lock detection sensor 21 and the lock release detection sensor 23.

  FIG. 7 is a flowchart showing a procedure of drive system control processing by the controller 30. At the start of this process, as shown in FIG. 8A, the pressure member 27 is at a position separated from the side surface 7 a of the back door 7. For this reason, the back door 7 is not restrained by the restraining unit 26 in the vehicle width direction. Therefore, when the back door 7 is moved up and down to open and close the back door 7, the pressure member 27 does not become a resistance to lift and lower the back door 7, and the back door 7 can be opened and closed smoothly.

  In FIG. 7, the controller 30 first determines whether or not the back door 7 is locked to the vehicle body 2 by the lock unit 20 based on the detection signal of the lock detection sensor 21 (step S101). When the controller 30 determines that the back door 7 is locked with respect to the vehicle body 2, the controller 30 controls the drive system 29 so that the pressing member 27 moves the pressing member 28 in a direction approaching the side surface 7 a of the back door 7. (Procedure S102). Then, as shown in FIG. 8B, the pressing member 27 presses the side surface 7a of the back door 7 to press the back door 7, and the back door 7 is restrained in the vehicle width direction. It becomes.

  Thereafter, the controller 30 determines whether or not the back door 7 is unlocked with respect to the vehicle body 2 based on the detection signal of the unlock detection sensor 23 (step S103). When the controller 30 determines that the lock of the back door 7 with respect to the vehicle body 2 has been released, the controller 30 controls the drive system 29 so that the pressing member 27 moves the pressing member 28 in a direction away from the side surface 7 a of the back door 7. (Procedure S104). Then, as shown in FIG. 8A, the back door 7 is released from being restrained by releasing the pressurization of the back door 7 by the pressure member 27.

  As described above, in the present embodiment, by sliding the back door 7 with respect to the pair of guide rails 40 arranged so as to extend across the opening 2a provided in the vehicle 1, The back door 7 opens and closes the opening 2a. The back door 7 is pressurized when the side surface 7 a is pressed by the pressure member 27. Accordingly, the back door 7 is restrained in the vehicle width direction. Thereby, even if the back door 7 is made of resin, the rigidity of the back door 7 is increased, and rattling of the back door 7 is suppressed. As a result, the installation of the back door 7 can be improved.

  In the present embodiment, the back door 7 is pressurized by the pressure member 27 when the back door 7 is in the fully closed state. By the way, the vehicle 1 travels when the back door 7 is fully closed. For this reason, when the vehicle 1 is traveling, the back door 7 is pressurized by the pressure member 27, so that the fully closed back door 7 is restrained in the vehicle width direction. Therefore, rattling of the back door 7 is suppressed, so that vibration and noise are less likely to occur. Moreover, since the rattling of the back door 7 is suppressed when the vehicle 1 is traveling, the slidability of the back door 7 can be enhanced by increasing the gap between the back door 7 and the guide rail 40.

  In the present embodiment, the back door 7 is locked to the vehicle body 2 when the back door 7 is in the fully closed state. Then, the back door 7 is pressurized by the pressure member 27, so that the fully closed back door 7 is reliably restrained in the vehicle width direction.

  FIG. 9 is a cross-sectional view showing a modified example of the vehicle opening / closing structure according to one embodiment of the present invention, and corresponds to FIG. In FIG. 9, the side surface 7 a of the back door 7 is provided with a concave portion 35 that engages with the tip of the pressing portion 32 of the pressing member 27. The concave portion 35 has, for example, a curved cross-sectional shape. The pressing member 27 presses the back door 7 by pressing the concave portion 35.

  In this modification, even when the positions of the back door 7 and the pressure member 27 are slightly shifted in the direction perpendicular to the vehicle width direction, the back door 7 is pressed when the pressure member 27 presses the side surface 7a of the back door 7. 7, the position of the pressure member 27 with respect to the back door 7 is corrected, and the positions of the back door 7 and the pressure member 27 are changed. It becomes easy to match.

  The present invention is not limited to the above embodiment. For example, in the above-described embodiment, the pair of pressure members 27 extends in the vertical direction of the vehicle body 2 along the frame 12. However, the present invention is not particularly limited to this configuration. The vehicle body 2 may be intermittently disposed along the vertical direction of the vehicle body 2. In this case, a pressing member and a drive system are provided corresponding to each pair of pressure members.

  Moreover, in the said embodiment, the pressurization member 27 is provided in the pressurization member accommodating part 15 of a pair of flame | frame 12, and when the pressurization member 27 presses the side surface 7a of the back door 7 from both sides, it is a back door. 7 is pressurized, but the form is not particularly limited. The pressure member 27 is provided only on the frame 12 on one side, and the pressure member 27 presses the side surface 7a of the back door 7 only from one side. 7 may be pressurized. In this case, the back door 7 can be pressurized by pressing the pressure member 27 by providing a member that supports the side surface 7 a of the back door 7 on the frame 12 on which the pressure member 27 is not disposed.

  In the above embodiment, when the back door 7 is fully closed, when the back door 7 is locked to the vehicle body 2, the back door 7 is pressurized by the pressure member 27. Even when there is no function of locking the door 7 and the vehicle body 2, the back door 7 may be pressurized by the pressure member 27 when the back door 7 is in the fully closed state.

  Further, in the above embodiment, when the back door 7 is opened, the back door 7 moves outside the roof panel 3 (outside the vehicle compartment) along the roof rail 17 to the front side of the vehicle body 2. The back door 7 may move between the roof panel 3 and an interior member (not shown) to the front side of the vehicle body 2.

  Moreover, in the said embodiment, although the back door 7 is exhibiting the structure where the panel part 8 and the soft part 9 were alternately arrange | positioned along the up-down direction of the vehicle body 2, as the structure of a back door, especially the form It is not limited to. At this time, the back door may be formed of only one type of resin.

  Moreover, in the said embodiment, although the back door 7 is exhibiting the structure which covers the opening 2a with the some panel part 8, as a structure of a back door, it is not restricted to the form in particular, It is one resin panel. The opening 2a may be covered.

  Moreover, in the said embodiment, although the back door 7 can be raised / lowered with respect to the opening 2a provided in the rear-end part of the vehicle body 2, this invention is not restricted to a back door especially, An opening is provided. It can also be applied to roof panels, side panels or side doors. Further, the present invention can be applied to an opening / closing structure other than a door as long as it is mounted on a vehicle. Furthermore, the present invention is not particularly limited to an opening / closing structure that slides in the vertical direction, and if a pair of guide rails can be disposed so as to sandwich an opening provided in the vehicle, the present invention is not limited to the front-rear direction or the left-right direction. The present invention can also be applied to an opening / closing structure that slides in a direction.

  DESCRIPTION OF SYMBOLS 1 ... Vehicle, 2 ... Vehicle body, 7 ... Back door (opening / closing member), 7a ... Side, 13 ... Elevating rail, 20 ... Lock unit, 21 ... Lock detection sensor (lock detection part), 26 ... Restraint unit, 27 ... Addition Pressure member, 28 ... Pressing member (drive unit), 29 ... Drive system (drive unit), 30 ... Controller (control unit), 35 ... Recessed portion, 40 ... Guide rail.

Claims (5)

A pair of guide rails arranged to extend across an opening provided in the vehicle;
A resin opening / closing member that is slidably guided by the pair of guide rails and opens and closes the opening;
An opening and closing structure for a vehicle, comprising: a pressing member that presses the opening and closing member by pressing at least one side surface of the opening and closing member; and a restraining unit that restrains the opening and closing member. At least one side surface of the opening / closing member is provided with a concave portion that engages with the tip of the pressure member,
The vehicle opening / closing structure according to claim 1, wherein the pressing member pressurizes the opening / closing member by pressing the concave portion.   The restraining unit includes a drive unit that moves the pressure member toward a side surface of the opening / closing member, and the pressure member pressurizes the opening / closing member when the opening / closing member is in a fully closed state. The vehicle opening / closing structure according to claim 1, further comprising a control unit that controls the drive unit. A lock unit that locks the opening and closing member with respect to a vehicle body of the vehicle when the opening and closing member is in a fully closed state;
A lock detector for detecting whether the opening / closing member is locked with respect to the vehicle body;
The control unit controls the driving unit so that the pressure member pressurizes the opening / closing member when the lock detecting unit detects that the opening / closing member is locked with respect to the vehicle body. The vehicle opening and closing structure according to claim 3. The opening is provided at the rear of the vehicle,
5. The vehicle opening / closing structure according to claim 1, wherein the pair of guide rails extend in the vertical direction on both sides of the opening in the vehicle width direction.

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