JP5100267B2 - Tonneau board - Google Patents

Description

  The present invention relates to a tonneau board that can be folded from a state in which the upper part of a cargo compartment of a vehicle is covered to be opened.

  Conventionally, as a tonneau board that can cover or open the upper side of a cargo compartment of a vehicle, a plurality of plate members are connected so as to be bent, and each plate-like member is spread in a flat manner to cover the cargo compartment, There is one in which the upper part of the cargo compartment is opened by folding the plate-like member.

  Such a tonneau board is described in Patent Document 1, for example.

JP 2001-233135 A

  However, if the respective plate-like members are connected closely, each plate-like member cannot be bent at a large angle, and it becomes difficult to open the upper part of the luggage compartment greatly.

  Temporarily, if sufficient space | intervals are provided between each plate-shaped member and these are connected by a flexible member, each plate-shaped member can be bent at a big angle and the cargo room upper part can be opened largely. However, in this case, the flexible member is easily slackened between the plate-like members, and the appearance is not good. In addition, the bending position between the plate-like members is difficult to stabilize, and therefore there is a problem that it is difficult to fold in a certain manner.

  Accordingly, an object of the present invention is to be able to fold each plate-like member at a larger angle, prevent loosening between the plate-like members, and fold them in a certain manner as much as possible.

  In order to solve the above-described problem, the tonneau board according to the first aspect is a tonneau board provided in a vehicle luggage compartment, and a bend that connects a plurality of plate-like portions and the adjacent plate-like portions so as to be bendable. And the bent portion is a plate-shaped bent core material portion interposed between the adjacent plate-shaped portions, and a linear bent that is easily bent between the bent core material portion and the plate-shaped portion. Part.

Further, the dimension of the bent core member in the direction connecting the plate-like portions can be bent until the adjacent plate-like portions are folded, and the main portions of the plate-like portions in the folded state. It is set to such an extent that it does not protrude from the surface.

Further, the bent portion is located at the center in the thickness direction of the bent core material portion in the thickness direction center of the adjacent plate-like portion and the bent core material portion disposed with a gap between adjacent plate-like portions. As described above, a pair of sheet-like members provided so as to cover the adjacent plate-like portion and the bent core material portion from both sides are provided between the plate-like portion and the bent core material portion , and It has the said linear bending part formed by joining linearly in the center position of the thickness direction of a bending core member .

  According to the tonneau board according to the first aspect, when the adjacent plate-like portions are bent, each plate-like member can be bent at the linear bent portion between the bent core material portion and the plate-like portion. Can be folded at a larger angle, and the folding position can be stabilized and folded in a fixed manner. Moreover, since the bending part has a plate-shaped bending core material part, slack can be prevented between plate-shaped members.

Further, the plate-like portions can be bent until they overlap each other, and the bent core material portion can be prevented from protruding in this state.

Further, the bent portion can be easily formed by arranging the bent core portion between the plate-like portions and joining the pair of sheet-like members.

  Hereinafter, the tonneau board device 20 to which the tonneau board according to the embodiment is applied will be described. FIG. 1 is an explanatory perspective view showing a tonneau board device 20 provided in the vehicle 10, FIG. 2 is an explanatory side view showing the tonneau board device 20, and FIG. 3 is an explanatory side view showing an internal configuration of the tonneau board device 20. It is. 4 to 6 are explanatory views showing changes when the back door 14 is changed from the closed state to the open state, FIG. 4 is a state where the back door 14 is completely closed, and FIG. FIG. 6 shows a state in which the back door 14 is completely opened.

  The tonneau board device 20 is provided in a vehicle 10 having a luggage compartment 12 that is opened and closed by a back door 14. That is, a luggage compartment 12 connected to the passenger compartment is provided behind the vehicle 10, and the rear opening of the luggage compartment 12 can be opened and closed by the back door 14. The tonneau board device 20 is assembled in the luggage compartment 12 of the vehicle 10 as described above.

  The tonneau board device 20 includes a pair of rail sections 30 (see FIG. 3), a pair of slider sections 60, a tonneau board 70, and a tonneau board drive mechanism section 40 (see FIG. 3).

  The basic configuration and basic operation of the tonneau board device 20 will be described. The pair of rail portions 30 are provided on both side wall portions 13 of the luggage compartment 12, and the pair of slider portions 60 are connected to the pair of rail portions 30. It is arranged to be movable. In addition, the rail part 30 is integrated in the pillar which is a part of the side wall part 13 here. The tonneau board 70 is configured to be foldable. A front portion of the tonneau board 70 is supported by a front portion of the luggage compartment 12 and a rear portion thereof is attached to the pair of slider portions 60. The tonneau board drive mechanism 40 is incorporated in the rail portion 30 and is configured to move the pair of slider portions 60 in conjunction with opening and closing of the back door 14.

  When the back door 14 is completely closed, the pair of slider portions 60 are positioned at the rear end portions of the pair of rail portions 30, and the tonneau board 70 is unfolded flush with the upper side of the cargo compartment 12. It is in a covered state (see FIGS. 1 to 4). In this state, when the back door 14 opens, the pair of slider parts 60 moves toward the front of the pair of rail parts 30 by driving the tonneau board drive mechanism 40 (see FIG. 5). When the back door 14 is fully opened, the pair of slider portions 60 are positioned at the front end portions of the pair of rail portions 30, and the upper portion of the luggage compartment 12 is opened so that the tonneau board 70 is folded. (See FIG. 6). Further, when the back door 14 is closed from this state, the pair of slider portions 60 moves to the rear of the pair of rail portions 30, and when the back door 14 is completely closed, the tonneau board 70 covers the upper side of the cargo compartment as described above. It returns to the state.

  Hereinafter, each part structure is demonstrated more concretely.

<Tonoboard>
First, the tonneau board 70 will be described. 7 is a plan view showing the tonneau board 70, FIG. 8 is a side view showing the tonneau board 70, and FIG. 9 is a cross-sectional view showing the main part of the tonneau board 70.

  As shown in FIGS. 1 to 9, the tonneau board 70 has a plurality of plate-like portions 72 a, 72 b, 72 c, 72 d and at least one bent portion 74.

  The plurality of plate-like portions 72 a, 72 b, 72 c, 72 d are formed as plate-like members obtained by dividing a flat plate-like portion capable of covering the upper part of the cargo compartment 12 into a plurality of portions in the vehicle 10 longitudinal direction. That is, each plate-like portion 72a, 72b, 72c, 72d has a width dimension that is substantially the same as or smaller than the width dimension of the luggage compartment 12, and each vehicle 10 has a dimension in the longitudinal direction of the luggage compartment 12. It is formed in the horizontally long plate-shaped member smaller than the length dimension of the vehicle 10 front-back direction. Such plate-like parts 72a, 72b, 72c, 72d are constituted by a resin plate, a wooden plate, a metal plate, or the like. Here, the flat part which can cover the upper part of the luggage compartment 12 is divided into four. More specifically, the flat plate portion is divided into two parts in the vehicle 10 longitudinal direction, the rear part thereof is further divided into two parts, and the front part of the rear part is further divided into two parts, for a total of four parts. The portions directed from the front side to the rear are plate-like portions 72a, 72b, 72c, 72d, respectively. The rearmost plate-like portion 72d is formed in a plate shape that gradually narrows toward the rear in accordance with the shape of the luggage compartment 12.

  In addition, said division | segmentation aspect is an example and is not restricted to the said example. The length of each plate-like portion 72a, 72b, 72c, 72d in the vehicle front-rear direction is not limited to the above example, and the number of divisions is also divided into two or three, or The structure divided | segmented into five or more may be sufficient.

  10 is a cross-sectional view showing the bent portion 74, FIG. 11 is an explanatory view showing one process for manufacturing the bent portion 74, and FIG. 12 is a cross-sectional view showing a state where the bent portion 74 is bent. 13 is a cross-sectional view showing a state where the bent portion 74 is bent at about 180 °. 9 to 13, the plate-like portions 72a and 72b and the bent portion 74 between them are shown as representatives.

  As shown in FIGS. 7-13, the bending part 74 connects the adjacent plate-shaped parts 72a, 72b, 72c, 72d so that bending is possible. Here, a total of three bent portions 74 are provided between the plate-like portions 72a and 72b, between the plate-like portions 72b and 72c, and between the plate-like portions 72c and 72d.

  Each bent portion 74 includes a plate-shaped bent core material portion 74a interposed between adjacent plate-shaped portions 72a, 72b, 72c, 72d, the bent core material portion 74a, and plate-shaped portions 72a, 72b, 72c, 72d. And a linear bent portion 73a that can be easily bent. Of the bent core part 74a, the dimension in the width direction of the vehicle 10 is substantially the same length as the adjacent one of the plate-like parts 72a, 72b, 72c, 72d, and the adjacent plate-like parts 72a, 72b, 72c are provided. , 72d is interposed so as not to protrude outward in substantially the entire width direction of the vehicle 10. Further, assuming the state in which the tonneau board 70 is deployed, the dimension M1 in the longitudinal direction of the vehicle 10 in the bent core part 74a (that is, the dimension in the direction connecting the adjacent plate-like parts 72a, 72b, 72c, 72d). Can be bent to the extent that the adjacent plate-like portions 72a, 72b, 72c, 72d are folded (that is, can be bent at approximately 180 °), and the plate-like portions can be bent in the folded state. 72a, 72b, 72c and 72d are set so as not to protrude from both main surfaces (see FIG. 13).

  The dimension M1 of the bent core member 74a is larger than 1/2 of the dimension M2 that is the sum of the thickness dimensions of two adjacent edge portions of the plate-like parts 72a, 72b, 72c, and 72d. It is preferably set. However, the lower limit of the dimension M1 of the bent core part 74a is appropriately set according to the distance between the bent core part 74a and the plate-like parts 72a, 72b, 72c, 72d, the thickness dimension of the bent core part 74a, and the like. Is done.

  The dimension M1 of the bent core part 74a is preferably set smaller than the dimension M2 that is the sum of the thickness dimensions of two adjacent edge portions of the plate-like parts 72a, 72b, 72c, 72d. .

  In the present embodiment, the reinforcing board 72f is provided so that one of the edge portions of the adjacent plate-like portions 72a, 72b, 72c, 72d is sandwiched from both sides, so the dimension M2 is as described above. The thickness dimension of the additional reinforcing board 72f is considered as an added value.

  More specifically, the bent portion 74 as described above is configured as follows. That is, as shown in FIG. 11, the bent core material portion 74a is disposed with a gap between the adjacent plate-like portions 72a, 72b, 72c, 72d. Then, a pair of sheet-like members 73 are disposed so as to cover the adjacent plate-like portions 72a, 72b, 72c, 72d and the bent core portion 74a in a close contact state from both sides. The sheet-like member 73 may be bonded to the plate-like portions 72a, 72b, 72c, 72d and the bent core material portion 74a entirely or partially with an adhesive or the like, or may not be bonded.

  And in this state, the linear bending part 73a is comprised by joining linearly along the vehicle 10 width direction between plate-shaped part 72a, 72b, 72c, 72d and the bending core material part 74a.

  The sheet-like member 73 may be a cloth-like member or a resin film. The joining of the sheet-like members 73 may be performed by sewing. Further, when the sheet-like member 73 is a resin film or the like, the joining of the sheet-like members 73 may be performed by welding or the like. When the sheet-like members 73 are stitched together, using a sewing machine 90 that has two burrs 92 and can be sewn simultaneously along two lines (see FIG. 11), two pieces can be efficiently and quickly put together. The linear bent portion 73a can be manufactured.

  Thereby, it is comprised by each sheet-like part 72a, 72b, 72c, 72d by the sheet-like member 73 part between each plate-like part 72a, 72b, 72c, 72d, the bending | flexion core material part 74a, and the linear bending part 73a. A bent portion 74 is formed.

  In the tonneau board 70 provided with such a bent portion 74, the bent core material portion 74 a is interposed between the plate-like portions 72 a, 72 b, 72 c, 72 d in a flattened development form, and therefore the plate-like portions 72 a, 72 b , 72c and 72d are less likely to be loosened, and the tonneau board 70 can be made more flat (see FIG. 10).

  Further, when the tonneau board 70 is bent at the bent portion 74, it can be bent at the two linear bent portions 73a sandwiching the bent core material portion 74a having a predetermined width, so that the plate-like portions 72a, 72b, 72c, 72d are It can be bent at a larger angle. Further, since the bent portion is stable at the linear bent portion 73a at a predetermined position, the bending mode is stabilized and the slack between the plate-like portions 72a, 72b, 72c, 72d can be prevented even in the bent state. (See FIGS. 12 and 13).

  Further, a tonneau board support shaft portion 71 is provided at the front portion of the tonneau board 70, that is, the frontmost plate-like portion 72a. More specifically, a pair of shaft support portions 71a are provided on both sides of the front half in the vehicle front-rear direction on the lower surface of the plate-like portion 72a, and a rod-shaped shaft portion 71b is supported by the pair of shaft support portions 71a. Has been. Both end portions of the shaft portion 71b protrude from both sides of the plate-like portion 72a, and are rotatably supported by bearing portions 13a provided on both side wall portions 13 of the cargo compartment 12 (see FIG. 2). And the front part of the tonneau board 70 is rotatably supported by the vehicle 10 front part of the luggage compartment 12 by supporting the both ends of the axial part 71b with the bearing part 13a.

  Moreover, the tonneau board receiving part 13b which receives the both side part of the tonneau board 70 is provided in the both-side wall part 13 of the cargo compartment 12, and the back part rather than the bearing part 13a (refer FIG. 2). And the both sides of the rear part rather than the tonneau board support shaft part 71 among the tonneau boards 70 are supported by the tonneau board receiving part 13b. The tonneau board 70 is rotatable around the shaft portion 71b so that the rear portion is lifted upward.

  In addition, a connection support portion 76 that protrudes outward on both sides is provided at the rear portion of the tonneau board 70, here, the rear end portion of the rearmost plate-like portion 72d. Here, the connection support portion 76 is provided so as to protrude outward from both end portions of a sheet winding portion 79 described later. The connection support portion 76 is connected and attached to the slider portion 60.

  The pair of slider parts 60 moves to the rear of the vehicle along the pair of rail parts 30, so that the tonneau board 70 is in a substantially horizontal posture in a state where the connection support part 76 is located behind the tonneau board support shaft part 71. Unfolds flat. More specifically, the tonneau board 70 is deployed in a flush manner in a posture that extends from the upper end of the backrest portion of the back seat toward the rear, while both sides thereof are supported by the tonneau board receiving portion 13b so as to be placed. Then, the upper part of the luggage compartment 12 is covered (see FIGS. 1 to 4).

  In addition, when the pair of slider parts 60 are moved forward along the pair of rail parts 30 and the connection support part 76 is positioned obliquely above and behind the tonneau board support shaft part 71, the tonneau board 70 The upper part of the luggage compartment 12 is opened so that the part is folded on the front part. More specifically, the rearmost plate-like portion 72b is bent with respect to the foremost plate-like portion 72a so that the rearward plate-like portions 72c and 72d are overlapped with each other. The upper part of the cargo compartment 12, particularly the upper rear part of the cargo compartment 12, is arranged so as to be disposed on the front plate-like portions 72 a and 72 b.

  Here, in the case where the rear portion of the tonneau board 70 is folded on the front portion, the plate-like portions 72a, 72b, 72c, 72d are folded at 180 ° at the bent portion 74 and overlapped so as to be completely adhered to each other. In addition, the case where the plate-like portions 72a, 72b, 72c, 72d are bent at an angle smaller than 180 ° by the bent portion 74 is also included. For example, a form that is bent into a substantially Z shape is also included. Such a bending form can be appropriately determined depending on the division mode, shape, size, and the like of the plate-like portions 72a, 72b, 72c, 72d. In short, when the rear portion of the tonneau board 70 is folded on the front portion, the plate-like portions 72a, 72b, 72c, 72d are bent by the bent portion 74, and any one of the rear portions is in front of it. All folding modes are included that are located above the part and that allow the upper part of the luggage compartment 12 to be partially opened (particularly the rear part).

  A rear tonneau cover 77 is provided at the rear end of the tonneau board 70. The rear tonneau cover portion 77 includes a sheet member 78 and a sheet winding portion 79 that can draw out and wind the sheet member 78. The front end of the sheet member 78 is detachably attached to the back door 14. When the back door 14 is closed, the space between the rear end portion of the tonneau board 70 and the back door 14 is covered (see FIGS. 1 to 4). When the back door 14 is opened from this state, the sheet member 78 is pulled out from the sheet take-up portion 79 and is disposed in a state of being pulled between the rear end portion of the tonneau board 70 and the back door 14 (see FIG. 6). When the back door 14 is closed from this state, the sheet member 78 is taken up by the sheet take-up portion 79 and returns to a state in which the space between the rear end portion of the tonneau board 70 and the back door 14 is covered.

  The rear tonneau cover 77 is not always necessary and may be omitted.

<Rail part, tonneau board drive mechanism part and slider part>
Next, the rail part 30, the tonneau board drive mechanism part 40, and the slider part 60 are demonstrated. 14 is a perspective view showing the rail portion 30, the tonneau board drive mechanism portion 40, and the slider portion 60. FIG. 15 is a cross-sectional view taken along line XV-XV in FIG. 14, and FIG. 16 is a cross-sectional view taken along line XVI-XVI in FIG. 17 is a cross-sectional view taken along line XVII-XVII in FIG. 14, FIG. 18 is an exploded perspective view showing the tonneau board drive mechanism 40 and the slider part 60, and FIG. 19 is an exploded perspective view showing the tonneau board drive mechanism 40 part. 20 to 22 are explanatory views showing a state in which the slider portion 60 moves along the rail portion 30, FIG. 20 shows a state in which the slider portion 60 is located at the rear end portion of the rail portion 30, and FIG. FIG. 22 shows a state in which the slider 60 is positioned at the front end of the rail 30.

  As shown in FIGS. 2 and 3, FIGS. 14 to 17, and FIGS. 20 to 22, the pair of rail portions 30 are substantially square in which both ends are open and a long opening 32 a is formed on one side wall portion. Each has a tubular rail body 32. And the slider moving body 62 of the said slider part 60 is provided in the said rail main-body part 32 so that a reciprocation is possible along the longitudinal direction.

  In addition, a bracket 34 is appropriately attached to the rail body portion 32 by screws or the like, and the rail portion 30 is attached to the side wall portion 13 of the luggage compartment 12 via the bracket 34.

  A pulley housing portion 38 that houses a pulley body 48 to be described later is attached to both ends of the rail body portion 32, and the pulley body 48 is housed and supported in the pulley housing portion 38, whereby the rail body. It is rotatably supported at both ends of the portion 32.

  The rail portion 30 is attached to the side wall portion 13 so as to incline upward from the rear of the vehicle 10 toward the front of the vehicle. More specifically, one end portion of the rail main body portion 32 of the rail portion 30 is disposed at the position of the rear end portion of the tonneau board 70 that is developed to be flush with each other as described above. The rail portion 30 is attached to the side wall portion 13 in an oblique posture in which the end portion is disposed obliquely upward and forward of the vehicle 10 from one end portion of the rail body portion 32 (see FIG. 3).

  In addition, the rail part 30 does not necessarily need to be attached with the said diagonal attitude | position, for example, may be provided along the front-back direction of the vehicle 10. FIG. That is, since the tonneau board 70 has only to be expanded and folded by moving the slider portion 60 along the rail portion 30, the rail portion 30 has the posture of the vehicle 10 in the longitudinal direction of the vehicle 10. What is necessary is just to be arrange | positioned at the both-side wall part 13. As shown in FIG.

  Further, the pair of slider portions 60 is configured to be able to move the pair of rail portions 30. More specifically, the slider portion 60 includes a slider moving body 62 that can move within the rail body portion 32, and a movable support portion 68 that can support the end portion of the connection support portion 76.

  The slider moving body 62 is a slider main body 63 that slides in the rail main body 32, an internal moving body 64 that can move in the slider main body 63, and a biasing member that biases the internal moving body 64. And a coil spring 65.

  The slider main body 63 has a pair of support end portions 63b supported at an interval via an intermediate support portion 63a, and a rod-shaped internal slider support portion 63c provided between the support end portions 63b. (See FIGS. 18 and 20 to 22). The slider main body 63 is movable between the pulley accommodating portions 38 at both ends in the rail main body 32. The internal slider support portion 63c is inserted into a hole formed in the internal moving body 64, so that the internal moving body 64 is supported so as to be able to reciprocate between the support end portions 63b. Further, the internal slider support portion 63 c is inserted through the coil spring 65, and the coil spring 65 is interposed between the support end portion 63 b on the front side of the vehicle 10 and the internal moving body 64. The coil spring 65 biases the internal moving body 64 rearward of the vehicle 10. Accordingly, the slider main body 63 can be moved further to the rear side of the rail portion 30 in a state where the internal moving body 64 is disposed at a fixed position on the rear side of the rail portion 30 (FIG. 20). reference).

  The movable support portion 68 is integrated with the internal moving body 64 and is configured to be movable along the longitudinal direction of the rail portion 30 together with the internal moving body 64. The movable support portion 68 protrudes into the luggage compartment 12 through the opening 32a and the opening formed in the pillar, and can be supported by fitting the end portion of the connection support portion 76 into the movable support portion 68. A recess 68a is formed. And in the cargo compartment 12, the said connection support part 76 is rotatably supported by the recessed part 68a.

  In the movable support portion 68 and the internal moving body 64, the slider body portion 63 reaches the rearmost position of the vehicle 10 in the rail body portion 32 by the restriction piece 34 a provided on the rear side of the vehicle 10 in the rail body portion 32. The position is regulated so as to stop before this. That is, when the slider portion 60 moves along the rail portion 30 in the direction of the vehicle 10, the position of the movable support portion 68 and the internal moving body 64 is restricted by the restriction piece 34 a, and then the slider body portion 63 is further moved rearward of the vehicle 10. It can be moved.

  The tonneau board drive mechanism section 40 includes a transmission section 42 and a spiral spring 50 as a power storage biasing member.

  The transmission part 42 is configured to be able to move the slider part 60 forward of the vehicle in response to the opening operation of the back door 14. More specifically, the transmission portion 42 includes a first winding drum portion 43, a second winding drum portion 44, and a second wire 45.

  The first winding drum portion 43 and the second winding drum portion 44 are connected so as to be integrally rotatable on the same axis, and can be rotated via the winding drum portion housing housing 46 at the intermediate portion in the longitudinal direction of the rail portion 30. It is supported.

  The first winding body 43 is formed in a substantially disc shape and is configured to be able to wind the first wire 54. Here, the first wire 54 is a linear member that can be wound, and one end thereof is connected to the back door 14. When the back door 14 is opened, one end portion of the first wire 54 is pulled toward the outside of the opening of the cargo compartment 12, and when the back door 14 is closed, an excess length is generated in the first wire 54. . Further, the other end portion of the first wire 54 is connected to the first winding drum portion 43, and an excessive length portion of the first wire 54 generated by closing the back door 14 can be wound around the first winding drum portion 43. It is configured. In addition, the 1st wire 54 is arrange | positioned through the inside of the pillar which is a part of the side wall part 13 of the luggage compartment 12 here.

  The second winding drum portion 44 is configured to be rotatable in conjunction with the first winding drum portion 43. Here, the first winding drum portion 43 is configured to be integrally rotatable with the second winding drum portion 44 by being integrally connected to the second winding drum portion 44. The structure supported so that rotation is possible, and the interlocking rotation is possible via a gear, an endless annular belt, etc. may be sufficient.

  Here, two second wires 45 are used and are wound around pulley bodies 48 that are rotatably supported on both ends of the rail portion 30. Also, one end of each second wire 45 passes around the side of the rail body portion 32 and is wound around the second winding body portion 44 at its longitudinal intermediate portion, and each other end portion is wound on the rail body. Passing through the portion 32, they are connected and fixed to the pair of support end portions 63 b of the slider portion 60. Then, in conjunction with the rotation of the second winding body 44, the second wire 45 moves so as to rotate around the rail portion 30, and along with this, the slider portion 60 is pulled along the rail portion 30. Move. Such a configuration can also be realized by using a single wire as the second wire 45.

  Further, the spiral spring 50 receives the opening operation of the back door 14, the first wire 54 is pulled out from the first winding drum portion 43, and the first winding drum portion 43 rotates, whereby the first winding drum portion 43. Are configured to store an urging force in a direction in which the first wire 54 is wound and in a direction in which the slider portion 60 is urged rearward of the rail portion 30. Here, the inner peripheral end portion of the spiral spring 50 is fixed to the central shaft portion of the first winding drum portion 43, and the outer peripheral end portion of the spiral spring 50 is fixed to the winding drum portion housing housing 46. When the first winding body 43 rotates so that the first wire 54 is pulled out, the slider spring 60 moves in front of the vehicle 10 in conjunction with this, and the spiral spring 50 is elastically deformed so that the diameter thereof is reduced. Then, the rotational force in the opposite direction, that is, the urging force for moving the slider portion 60 to the rear of the vehicle is stored. When the back door 14 is closed, the stored force is released, the first winding body 43 is rotated in the opposite direction to wind the first wire 54, and the second winding is interlocked with this. The body portion 44 is rotated in the same direction, and the slider portion 60 is moved rearward of the vehicle 10.

  In addition, when the slider part 60 moves back along the rail part 30, the load of slider part 60 itself, the load of the tonneau board 70, etc. act on the said slider part 60. FIG. For this reason, the urging force by the spiral spring 50 is set to an urging force that allows the tonneau board 70 to be deployed in consideration of those loads. Considering these loads, the biasing force required for the spiral spring 50 does not need to be so large.

  The spiral spring 50 is elastically deformed so as to reduce its diameter even when the back door 14 is closed, that is, when the slider 60 moves rearward of the vehicle and the tonneau board 70 is deployed flush. The first winding body 43 is urged in the direction in which the first wire 54 is wound, and the second winding body 44 is urged in the direction in which the slider part 60 is moved toward the rear of the rail part 30. is doing.

  One end of the first wire 54 is connected and fixed to the back door 14 via a wire fixing portion 55.

  The wire fixing portion 55 includes an elongated housing 55a, a wire end fixing tool 55c, and a coil spring 55e as an urging member, and the back is provided via a door side fixing tool 55b attached and fixed to the back door 14. It is connected and fixed to the door 14 (see FIG. 19).

  The wire end fixing tool 55c is configured such that a head portion having a diameter larger than that of the rod-shaped portion is provided at one end portion of the rod-shaped portion, and one end portion of the first wire 54 is connected and fixed to the other end portion. A coil spring 55e is externally fitted to the rod-shaped portion of the wire end fixture 55c. Further, the housing 55a is formed in a hollow bowl shape, and a wire end fixing tool 55c is movable therein, and a coil spring 55e is extendable. When the first wire 54 is pulled, the coil spring 55e is contracted, and the first wire 54 is pulled out from the wire fixing portion 55 by the contracted amount. Further, when the force pulling the first wire 54 is released, the coil spring 55e is extended, and the first wire 54 is pulled back into the wire fixing portion 55 by the extension. The door-side fixture 55b is configured to be fixed to the back door 14 with screws or the like, and the wire fixing portion 55 locks one end of the housing 55a to the door-side fixture 55b. Thus, it is connected to the back door 14 via the door-side fixture 55b.

  Then, when the back door 14 is opened, the slider portion 60 stops at the front end portion of the rail portion 30, and the wire fixing portion 55 is removed from the first winding body portion 43 in a state where the drawing of the first wire 54 is stopped. A slight amount of the first wire 54 can be pulled out.

  Here, at the upper and lower limits of the design of the open / close range of the back door 14, the wire end fixture 55c is positioned approximately at the center of the movement range in the housing 55a by appropriately lengthening and contracting the coil spring 55e. It is good to set it like this. As a result, when the actual opening / closing range of the back door 14 is larger than the designed opening / closing range (for example, when + 5 ° is larger), the coil spring 55e is contracted and the first wire 54 is pulled out, so Can be supplemented. On the other hand, when the actual opening / closing range of the back door 14 is smaller than the designed opening / closing range (for example, −5 ° smaller), the coil spring 55e is extended, and the first wire 54 is drawn and loosened. Can be eliminated. In this case, the excess length of the first wire 54 generated when the back door 14 is closed may be pulled back preferentially by the wire fixing portion 55, or at the first winding body portion 43. You may make it wind up preferentially. Which is preferentially functioned can be appropriately set by the biasing force of the coil spring 55e and the spiral spring 50.

<Overall operation>
The overall operation of the tonneau board device 20 configured as described above will be described.

  FIG. 23 is a perspective view showing a state in which the back door 14 is opened by being rotated by 30 ° around the hinge portion from the closed position, FIG. 24 is a side view showing the same state, and FIG. 25 is a view in which the back door 14 is closed. 26 is a perspective view showing a state in which the hinge portion is rotated by 60 ° from the closed position and opened, FIG. 26 is a side view showing the same state, and FIG. 27 is a view showing 90 around the hinge portion from the position where the back door 14 is closed. FIG. 28 is a perspective view showing a state in which it is completely rotated and rotated, and FIG. 28 is a side view showing the same state.

  First, in a state where the back door 14 is closed, as shown in FIGS. 1 to 4 and 20, the slider portion 60 is at the rear end position of the rail portion 30, and the tonneau board 70 is unfolded and loaded in a flat state. The upper part of the chamber 12 is covered. Further, the tonneau cover portion 77 is also developed behind the tonneau board portion 70 so as to cover the upper side of the luggage compartment 12. Further, the first wire 54 is wound around the first winding body 43. Further, even in this initial state, the slider body 63 of the slider portion 60 is urged to the rear side of the rail portion 30 against the urging force of the coil spring 65 by the initial urging force of the spiral spring 50, and the internal movement The body 64 is located at a substantially intermediate portion between the pair of support end portions 63b (see FIG. 20). In this initial state, the slider portion 60 is urged backward. By this urging force, rattling of the slider portion 60 and the tonneau board 70 is suppressed.

  In this state, when the back door 14 is opened by a user operation or the like, as shown in FIGS. 23 and 24, the first wire 54 is drawn from the first winding body 43, and the first winding is accompanied with the drawing. The trunk | drum 43 and the 2nd winding trunk | drum 44 rotate. Accordingly, the second wire 45 rotates around the pair of pulley bodies 48, and the slider portion 60 moves along the rail portion 30 toward the front side of the vehicle 10. As a result, the slider portion 60 and the rear end portion of the tonneau board 70 connected and supported by the slider portion 60 and the sheet winding portion 79 of the tonneau cover portion 77 move upward while moving upward from the initial position. Then, the tonneau board 70 is bent at the bent portion 74 between the rear plate-like portions 72b, 72c, 72d. At this time, since the rear end portion of the tonneau board 70 is moved upward while being lifted upward, the tonneau board 70 is arranged so that the rear portion of the tonneau board 70 can be smoothly disposed on the front portion with a relatively small force. 70 can be bent. Further, the second cover portion 78 b of the sheet member 78 of the tonneau cover portion 77 is gradually pulled out from the sheet winding portion 79.

  Further, when the back door 14 is largely opened, as shown in FIGS. 25 and 26, the first wire 54 is further drawn out, and the slider portion 60 moves further along the rail portion 30 toward the front side of the vehicle 10. As a result, the rear end portion of the tonneau board 70 and the sheet take-up portion 79 of the tonneau cover portion 77 move upward while moving upward. Then, the tonneau board 70 is further bent at the bent portion 74 between the rear plate-like portions 72b, 72c and 72d, and is folded into a substantially Z shape. Further, the second cover portion 78 b of the tonneau cover portion 77 is further pulled out from the sheet winding portion 79.

  23 to 26, in a state where the slider portion 60 has moved to the middle portion in the longitudinal direction of the rail portion 30, as shown in FIG. 21, the movable support portion 68 and the internal moving body 64 by the restricting piece 34a. Since the position restriction is released, the internal moving body 64 is biased to the rear support end 63b side by the biasing force of the coil spring 65.

  Then, when the back door 14 is completely opened, as shown in FIGS. 27 and 28, the first wire 54 is further drawn out, the slider portion 60 moves along the rail portion 30, and the vehicle 10 of the rail portion 30. Move to the front end position. As a result, the rear end portion of the tonneau board 70 and the sheet take-up portion 79 of the tonneau cover portion 77 move upward while moving upward. Then, from the above state, the tonneau board 70 is also bent at the bent portion 74 between the front plate-like portion 72a and the plate-like portion 72b behind it, and the tonneau board 70 folds its rear portion on its front portion. Thus, the upper part of the luggage compartment 12, particularly the upper rear part, is opened. Further, the tonneau cover portion 77 is further pulled out from the sheet winding portion 79.

  As a result, the user can access the luggage compartment 12 from above and behind the luggage compartment 12 and load / unload the luggage in the cargo compartment 12.

  In this state, the rear portion of the tonneau board 70 can be lifted by rotating around the tonneau board support shaft portion 71 at the front portion of the tonneau board 70. At this time, the connection between the rear end portion of the tonneau board 70 and the slider portion 60 may be released. Thereby, the upper part of the luggage compartment 12 can be opened larger, and the luggage can be taken in and out more smoothly.

  In this state, the rear end portion of the tonneau board 70 only rises to the upper end portions of the pair of rail portions 30. Since the tonneau board 70 is bent at a plurality of locations, the uppermost end portion thereof is sufficiently lower than the case where the tonneau board is folded in half as in the prior art. Therefore, a sufficient space can be provided between the rear end portion, which is the uppermost end portion of the tonneau board 70, and the ceiling surface of the luggage compartment 12. Therefore, if the front end of the seat member 78 is removed from the back door 14, the space between the tonneau board 70 and the ceiling surface of the cargo compartment 12 is used to deliver the cargo between the rear seat and the opening of the cargo compartment 12. Can be easily performed.

  If the slider 60 reaches the forefront position of the rail 30 and stops before the back door 14 is completely opened as described above due to manufacturing or assembly errors, The first wire 54 is slightly pulled out from the wire fixing portion 55. As a result, the back door 14 can be further opened and completely opened even from the state in which the slider portion 60 is positioned at the foremost position of the rail portion 30. That is, the length dimension of the first wire 54 in a state where the slider portion 60 is stopped at the foremost position of the rail portion 30 and the length dimension of the first wire 54 required in a state where the back door 14 is fully opened. The error can be absorbed when and do not match.

  Then, when the back door 14 is closed from the above state, the force accumulated in the spiral spring 50 is released, and the first winding drum portion 43 and the second winding drum portion 44 are rotated by the urging force of the spiral spring 50. Then, the first wire 54 is wound by the rotation of the first winding body 43. Further, by the rotation of the second winding body portion 44, the second wire 45 moves around the pair of pulley bodies 48 and the slider portion 60 moves along the rail portion 30 toward the rear side of the vehicle 10. As a result, the slider portion 60 and the rear end portion of the tonneau board 70 connected and supported by the slider portion 60 and the sheet winding portion 79 of the tonneau cover portion 77 move downward while moving downward. And when the slider part 60 reaches the rear end position of the rail part 30, the tonneau board 70 will expand | deploy in the same plane and will return to the state which covered the upper part of the luggage compartment 12. FIG. In this state, due to the initial biasing force of the spiral spring 50, the slider body 63 of the slider portion 60 returns to the state of being biased to the rear side of the rail portion 30 against the biasing force of the coil spring 65. That is, while the movable support portion 68 and the internal moving body 64 of the slider portion 60 are stopped at the position of the rear end portion of the rail portion 30, the slider body portion 63 is further contracted by the urging force of the spiral spring 50 and the coil spring 55 is further contracted. It can be moved to the rear of the vehicle 10 and the first and second winding drums 43 and 44 can be rotated. Accordingly, the first wire 54 can be further wound in a state where the back door 14 is closed and the movable support portion 68 and the internal moving body 64 of the slider portion 60 are stopped. Thus, the length dimension of the first wire 54 in a state where the movable support portion 68 and the internal moving body 64 are stopped at the rear position, and the length of the first wire 54 that is appropriate when the back door 14 is completely closed. If the size does not match, the error can be absorbed.

  According to the tonneau board 70 configured as described above, when the adjacent plate-like portions 72a, 72b, 72c, 72d are bent, the bent core material portion 74a and the plate-like portions 72a, 72b, 72c, 72d are interposed. Therefore, the plate-like members 72a, 72b, 72c and 72d can be folded at a larger angle. For example, by folding each linear bent portion 73a at approximately 90 °, the adjacent plate-like portions 72a, 72b, 72c, 72d can be folded at approximately 180 °. Also, the folding position at that time can be stably folded in a fixed manner by the linear bent portion 73a. In addition, since the plate-like bent core material portion 74a is interposed between the adjacent plate-like portions 72a, 72b, 72c, 72d, the plate-like portions 72a, 72b, 72c, 72d are also in the expanded form and the bent form. The slack does not easily occur and it looks good.

  The bent portion 73 as described above is easily manufactured by joining a pair of sheet-like members 73 with the bent core portion 74a disposed between the plate-like portions 72a, 72b, 72c, and 72d. be able to.

  In the above-described embodiment, the tonneau board 70 is expanded and folded in conjunction with the opening and closing of the back door 14, but this is not necessarily required. For example, the tonneau board 70 may be configured to be unfolded and folded manually.

It is a perspective explanatory view showing a tonneau board device provided in a vehicle. It is side explanatory drawing which shows a tonneau board apparatus same as the above. It is side explanatory drawing which shows the internal structure of a tonneau board apparatus same as the above. It is explanatory drawing which shows the state which closed the back door. It is explanatory drawing which shows the state which opened the back door to the middle. It is explanatory drawing which shows the state which opened the back door completely. It is a top view which shows a tonneau board. It is a side view which shows a tonneau board. It is sectional drawing which shows the principal part of a tonneau board. It is sectional drawing which shows a bending part. It is explanatory drawing which shows one process of manufacturing a bending part. It is sectional drawing which shows the state bent at the bending part. It is sectional drawing which shows the state bent at about 180 degrees by the bending part. It is a perspective view which shows a rail part, a tonneau board drive mechanism part, and a slider part. It is the XV-XV sectional view taken on the line of FIG. It is the XVI-XVI sectional view taken on the line of FIG. It is the XVII-XVII sectional view taken on the line of FIG. It is a disassembled perspective view which shows a tonneau board drive mechanism part and a slider part. It is a disassembled perspective view which shows a tonneau board drive mechanism part. It is explanatory drawing which shows the state in which a slider part is located in the rear-end part of a rail part. It is explanatory drawing which shows the state in which a slider part is located in the intermediate part of a rail part. It is explanatory drawing which shows the state in which a slider part is located in the front-end part of a rail part. It is a perspective view which shows the state which rotated 30 degrees from the closed position and opened. It is a side view which shows a state same as the above. It is a perspective view which shows the state which rotated the back door 60 degrees from the closed position and opened. It is a side view which shows a state same as the above. It is a perspective view which shows the state which the back door opened completely. It is a side view which shows a state same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle 12 Cargo compartment 70 Tonneau board 72a, 72b, 72c, 72d Plate-shaped part 73 Sheet-like member 73 Bending part 73a Linear bending part 74 Bending part 74a Bending core part

Claims (1)

A tonneau board installed in the vehicle luggage compartment,
A plurality of plate-like portions;
A bent portion that connects the plate-like portions adjacent to each other so as to be bendable;
With
The bent section, possess a plate-shaped bent core portion interposed between the plate-like portion which is provided adjacent, and an easy linear bent portion bent between the bending core portion and the plate portion,
The dimension of the bent core part in the direction connecting the plate-like parts can be bent until the adjacent plate-like parts are folded, and in the folded state from the main surface of the plate-like part. It is set so that it does not protrude,
The bent portion is
The bent core member disposed with a gap between adjacent plate-like portions; and
A pair of sheets provided so as to cover the adjacent plate-like portion and the bent core member from both sides so that the center of the bent core member in the thickness direction is located at the center of the adjacent plate-like member in the thickness direction. The linear bent portion formed by joining the linear member linearly between the plate-like portion and the bent core material portion and at the center position in the thickness direction of the bent core member;
Tonneau board with.

Images