JP5961921B2 - Car luggage room board - Google Patents

Description

  The present invention relates to a board for a luggage room of an automobile that covers a floor of a luggage room (loading room) provided immediately after a rear seat back of the automobile.

  In a hatchback type automobile or the like, a luggage room is formed between a rear seat back and a back door. The luggage room can be enlarged by forcing the rear seat back provided so that it can be moved forward (see, for example, Patent Document 1).

  In addition, the luggage room known from Patent Document 1 has a storage box for storing tools, spare tires, etc. on the floor panel of the luggage room. And a removable deck board. The deck board is provided with a hinge portion (this is also referred to as an “integral hinge”) formed in a thin portion at the front end portion or an intermediate portion, etc., and the hinge portion is used by utilizing the flexibility of the thin portion. It can be opened and closed by pivoting up and down about the center.

  Further, a luggage board as a member constituting the bottom surface of the luggage room is placed on the deck board so as to cover the deck board and cover the entire bottom surface. At the front end of the luggage board, an auxiliary board is provided which is integrated by being connected by a hinge portion formed of a thin portion like the deck board. In addition, a coil spring that always urges the auxiliary board toward the rear seat back is attached between the auxiliary board and the luggage board so that the auxiliary board can follow the standing and tilting movements of the rear seat back. From the standing state to the folded state, the gap between the bottom surface of the luggage room and the rear seat back can be covered with the luggage board and the auxiliary board.

  By the way, in the luggage board to which such a coil spring is attached, the rotation center axis of the hinge portion and the rotation center axis of the coil spring are located at different positions, so that it occurs when the auxiliary board and the coil spring rotate. There is a possibility that the rotation on the auxiliary board is hindered by the relative displacement between the two.

Therefore, in Patent Document 1, in order to absorb the relative positional deviation between the rotation center axis of the auxiliary board and the rotation center axis of the coil spring, a pair of boards are connected in a rotatable manner via an integral hinge. A hinge mechanism in which a space is provided between the opposing end surfaces of the pair of boards, wherein a restoring force generating portion of a spring member is housed in the space, and one end of the spring member is The other end of the spring member is fixed to the other board on one of the pair of boards.

  In the luggage board with the coil spring attached, the coil end of the coil spring is fixed on the board surface using a fixing member such as a screw or a bracket. And the fixing member is fixed in a protruding state.

JP 2008-239086 A

  However, in order to fix the coil end tip of the coil spring on the board surface, it is necessary to increase the length of the coil end by absorbing the relative displacement. Therefore, the coil end with a long length lies on the surface of the board and is mounted in a state of protruding on the surface, so that an operator hooks a finger or the like on the coil end during handling of the luggage board and injuries. There is a problem that there is a risk that the end of the coil may hit or damage the other end of the coil. In addition, when the auxiliary board is folded greatly and the back side of the luggage board can be seen, there is a problem that it looks bad.

  Therefore, the present invention has been made in view of the above-described problems, and it is an automotive luggage room board having a structure in which a coil end portion of a coil spring can be attached to a board portion in a safe and good-looking state. The purpose is to provide.

In order to solve the above-described problems, a board for a luggage room of an automobile according to the present invention is an automobile in which a pair of board portions and a thin-walled hinge portion formed between the pair of board portions are provided in one body. And a pair of coil ends respectively extending from both ends of the coil body portion, the coil body portion being disposed in a space between the opposing end surfaces of the pair of board portions. A coil spring having a portion, and a strip-shaped first pressing plate that is attached to the one board portion so as to cover the one coil end portion and holds the one coil end portion on the one board portion A strip-shaped second pressing plate that is attached to the other board portion so as to cover the other coil end portion and holds the other coil end portion movably in the rotation direction of the hinge portion. And comprising The first holding plate is formed with a space that accommodates approximately one radius of the coil at one coil end, and the other coil at the one coil end is formed on the one board portion. A groove for accommodating a substantially radius portion is formed, and a space portion for movably accommodating a coil diameter portion of the other coil end portion is formed in the second pressing plate.

  According to this structure, one coil end of the coil spring is covered with the first pressing plate and attached to one board portion, the other coil end is covered with the second pressing plate, and The hinge part can be moved in the rotational direction and is attached to the other board part. The movement of the other coil end can absorb the relative displacement between the hinge and the coil spring. Moreover, each coil end part is each covered with a pressing plate, and is hidden from the board part surface.

In the above-described configuration, the pair of board portions are accommodated in the positions where the first pressing plate and the second pressing plate are mounted, respectively, by absorbing the thickness of the plates. of Ri name provided recesses, recesses of the first pressing plate of the one board portion is provided at a position to be attached is formed slightly deeper depth than the thickness of the first pressing plate, wherein It is possible to adopt a configuration in which the recess provided in the other board portion at the position where the second pressing plate is attached is formed with a depth slightly deeper than the thickness of the second pressing plate .

  According to this configuration, each pressing plate is housed in the recess of each board portion together with each coil end in a state where the thickness of the pressing plate is absorbed, and is attached without protruding from the board surface. The appearance will be even better.

  In the above configuration, the pair of board portions includes a luggage board main body portion installed on a bottom surface of a luggage room formed at the rear of a rear seat back that can tilt back and forth, and the hinge portion at a front end of the luggage board main body portion. And an auxiliary board part arranged in contact with the rear surface of the rear seat back so that the auxiliary board part is always urged against the rear seat back side. The configuration can be adopted.

  According to this configuration, a luggage room board is obtained in which the auxiliary board portion smoothly rotates following the tilting operation of the rear seat back.

  In the above configuration, the pair of board portions and the hinge portion are formed by blow molding, and a configuration is adopted in which a non-woven fabric in which melted resin penetrates and is integrated at the time of blow molding is provided on the surface side. it can.

  According to this configuration, the luggage room board with the hinge part can be integrally formed by blow molding, and the nonwoven fabric that decorates the surface of the luggage room board on the surface side of the pair of board parts and the hinge part. The board structure for the luggage room attached integrally can be provided.

  According to the present invention, each coil end portion is covered with a holding plate and is not disposed in an exposed state on the surface of the board portion. Therefore, when handling the luggage board, an operator points to the coil end portion. It is possible to eliminate the risk of injury due to catching or the like, or the problem that the end of the coil hits another object and is scratched. Thereby, safety can be improved. Further, even when the auxiliary board is bent greatly and the back side of the luggage board is seen, the coil end portion is hidden and cannot be seen, so that the appearance is improved.

It is a perspective view which shows the board | substrate for luggage rooms of the motor vehicle which concerns on one Embodiment of this invention with the vehicle to which this board is applied. It is sectional drawing which shows the state of the board for luggage rooms when a rear seat back is standing. It is sectional drawing which shows the state of the board for luggage rooms when a rear seat back is folded forward. FIG. 4 is an enlarged cross-sectional view of a part A in FIG. 3. It is sectional drawing for demonstrating the manufacturing method of the board for luggage rooms with a hinge part. It is a perspective view which shows the urging | biasing apparatus applied to the board for luggage rooms same as the above with a part of this board. It is a partial exploded perspective view which shows the urging | biasing apparatus applied to the board for luggage rooms same as the above with a part of this board. It is a figure for demonstrating the structure in the luggage board main-body part side of a biasing device same as the above, (a) is a top view, (b) is cc sectional drawing of (a). It is a figure for demonstrating the structure in the auxiliary | assistant board part side of an urging | biasing apparatus same as the above, (a) is a top view, (b) is dd sectional drawing of (a). It is a figure for demonstrating the pressing plate structure by the side of an urging | biasing apparatus same as the above, (a) is the top view which looked at the pressing plate by the side of a luggage board main-body part from the back surface side, (b) It is the top view seen from the back side.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as “embodiments”) will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view showing an automobile luggage room board according to an embodiment of the present invention together with a vehicle to which the board is applied, and FIG. 2 is a cross-sectional view of the luggage room board shown in a normal state in which a rear seat back is raised. 3 is a cross-sectional view of a luggage room board with the rear seat back folded forward, and FIG. 4 is an enlarged cross-sectional view of a portion A in FIG.

  1 to 4, a rear seat 11 including a rear seat cushion 11a and a pair of left and right rear seat backs 11b is installed behind the interior of the automobile. The rear seat cushion 11a is slidable in the front-rear direction with the legs fixed to the slide rail. Further, the rear seat back 11b can be reclined forward and backward and forward and backward with respect to the rear seat cushion 11a, and can be folded forward greatly.

  A luggage room 14 is formed behind the rear seat back 11b. On the floor panel of the luggage room 14, a storage box 16 for storing tools and spare tires and a luggage board 18 are placed.

  The luggage board 18 constitutes the bottom surface of the luggage room 14 so as to cover the entire upper opening of the storage box 16 and the left and right rear seat backs 11b respectively corresponding to the left and right rear seat backs 11b. A pair of auxiliary board portions 18b and a hinge portion 18c formed between the luggage board main body portion 18a and the left and right auxiliary board portions 18b are integrally provided.

  Further, as shown in FIG. 1, a pair of left and right pairs formed by always urging each auxiliary board portion 18b toward the rear seat back 11b is provided in the hinge portion 18c between the luggage board main body portion 18a and the left and right auxiliary boards 18b. An urging device 21 is provided corresponding to each auxiliary board portion 18b. Therefore, when the rear seat back 11b is laid down on the front side, the auxiliary board portion 18b lies down on the front side integrally with the rear seat back 11b by the urging of the urging device 21, and conversely, the rear seat back 11b is laid down on the rear side. With the absorption of the spring of the urging device 21, the rear seat back 11b and the rear seat back 11b are folded down to follow the rear seat back 11b. Thereby, the luggage board 18 covers the gap between the bottom surface of the luggage room 14 and the rear seat back 11b over the entire state from the standing state of the rear seat back 11b to the folded state by the luggage board main body portion 18a and the auxiliary board portion 18b. It can be covered up.

  The configuration of the luggage board 18 will be further described. The luggage board 18 is a plastic molded body like the deck board 17, and is a plastic material mixed with a reinforcing fiber material such as glass fiber or carbon fiber so that it can withstand, for example, a load of about 60 kg. Is formed integrally with a hollow board-like luggage board body 18a, a hollow board-like auxiliary board 18b, and a thin hinge (integral hinge) 18c formed by connecting them. Is done.

  The hinge portion 18c of the luggage board 18 is formed by compressing and thinning the resin wall forming the luggage board main body portion 18a and the auxiliary board portion 18b from the back surface 18A side to the front surface 18B at the time of forming the luggage board. it can. Further, if necessary, a sheet-like non-woven fabric can be integrally provided as a reinforcing material on the back side of the hinge portion 18c by infiltrating the molten resin in the molding process.

  Further, on the surface side of the luggage board 18, a non-woven fabric 27 is integrally provided by covering the entire luggage board body 18a, auxiliary board 18b, and hinge 18c and infiltrating the molten resin in the molding process. ing. The non-woven fabric 27 decorates the surface side of the luggage board 18, and a non-woven fabric having a good appearance is used unlike the non-woven fabric provided for reinforcing the hinge portion 18c.

Further, when the luggage board 18 is molded, the positions between the back surface side of the luggage board main body portion 18a and the back surface side of the auxiliary board portion 18b, that is, the positions facing each other across the hinge portion 18c are shown in FIGS. As shown in FIG. 4, a wide recess (hereinafter referred to as “mounting seat”) 28 a for attaching the urging device 21 is provided.

  Next, the blow molding method of the luggage board 18 will be further described. The luggage board 18 is blow molded by a blow molding machine 24 having a pair of split molds 24a and 24b as shown in FIG. In the figure, one mold 24 a has a hinge part forming cavity 25. The hinge molding cavity 25 is a projection for compressing and thinning the resin wall, and in the present embodiment, mounting seats 28a and 28b for the urging device 21 are formed at the same time.

  When blow molding is performed, a parison 26 is disposed between the pair of molds 24a and 24b as shown in FIG. Moreover, the nonwoven fabric 27 is arrange | positioned between the parison 26 and one metal mold | die 24b, and blow molding is performed in this state.

  In this blow molding, air is blown into the parison 20 to form the luggage board main body 18a and the auxiliary board 18b with a pair of molds 24a and 24b, and the luggage board main body 18a and the auxiliary board 18b. The hinge portion molding cavity 25 compresses and thins the resin wall from the back surface 18A side to the front surface 18B to form the hinge portion 18c and the mounting seats 28a and 28b. At the same time, a part of the dissolved parison 20 is infiltrated into the nonwoven fabric 27 and the plastic material and the nonwoven fabric 27 are strongly integrated.

  Next, the configuration of the urging device 21 will be described. As shown in FIGS. 6 and 7, the urging device 21 includes the mounting seats 28 a and 28 b formed on the luggage board 18, a coil spring 29, and a pressing plate for attaching the coil spring 29 to the mounting seats 28 a and 28 b. 30a and 30b.

  The coil spring 29 includes a coil portion 29a that generates a torsional restoring force, a coil end portion 29b having a length that is attached to both ends of the mounting seat 28a on the luggage board main body portion 18a side, and an auxiliary board portion 18b side. The coil end portion 29c has a length to be attached to the attachment seat 28b. Further, the end portion of the coil end portion 29b is bent in a U shape toward the coil portion 29a, and the end portion of the coil end portion 29c is bent in an L shape along the axis of the coil portion 29a.

The mounting seat 28a of the coil end portion 29b is attached, it is formed as a wide-shaped recess the pressing plate 30a is housed, also crowded and overlooked the schematic径半portion of the coil end portions 29b in the recessed portion A positioning groove 31 for fixing and positioning the coil end portion 29b is formed. On the other hand, the mounting seat 28b to which the coil end portion 29c is attached is formed as a wide recessed portion in which the holding plate 30b is accommodated, and the amount of the recessed portion is formed to a depth that absorbs the thickness of the holding plate 30b. ing.

As shown in FIGS. 10A and 10B, the holding plates 30a and 30b are each formed in a strip shape from a resin such as polypropylene. In addition, the holding plate 30a, which is attached to the attachment seat 28a on the luggage board main body 18a side so as to cover the coil end 29b, accommodates approximately half (radius) of the coil wire diameter on the inner surface facing the attachment seat 28a. A space portion 32 is formed. On the other hand, the holding plate 30b attached to the attachment seat 28b on the auxiliary board portion 18b side so as to cover the coil end portion 29c is provided with a space portion 33 for accommodating the coil wire diameter on the side facing the attachment seat 28b. Yes.

  And when attaching each urging | biasing apparatus 21, first, in the back surface side of the luggage board 18, as shown in FIG.6 and FIG.7, the coil part 29a of the coil spring 29 is located between the luggage board main-body part 18a and the auxiliary board part 18b. The coil end portion 29b, which is arranged in the space 35 and whose terminal portion is bent in a U-shape, is dropped into the positioning groove 31 of the mounting seat 28a and positioned. Thereafter, the inner surface is directed toward the mounting seat 28a, and the presser plate 30a is pressed into the mounting seat 28a so as to cover the coil end portion 29b and accommodated. In this state, the presser plate 30a is ultrasonically welded to the mounting seat 28a (see FIG. The position indicated by the reference numeral 34). Thus, the coil end 29b of the coil spring 29 is fixedly attached to the luggage board main body 18a side in a state where it is covered with the pressing plate 30a and hidden from the outside. In this attachment state, the coil end 29b and the holding plate 30a are accommodated in the attachment seat 28a so that the thickness is absorbed, and the coil end portion 29b and the holding plate 30a are substantially flush with the luggage board main body 18a as shown in FIG. , Looks and safety are ensured.

  Next, the coil end portion 29c whose terminal portion is bent in an L shape is housed in the space portion 33 of the mounting seat 28b, the inner surface is directed toward the mounting seat 28b, and the coil end portion 29c is placed in the mounting seat 28b. The presser plate 30b is covered and pressed and accommodated, and in this state, the presser plate 30b is fixed to the mounting seat 28b by ultrasonic welding (position indicated by reference numeral 34 in the figure). Thus, the coil end 29c of the coil spring 29 is fixed and attached to the auxiliary board portion 18b side in a state where the coil end 29c of the coil spring 29 is covered with the holding plate 30b and hidden from the outside. Even when the pressing plate 30b is mounted, the coil end portion 29c and the pressing plate 30b are accommodated in the mounting seat 28b so that the thickness is absorbed, and the auxiliary board portion 18b is substantially flush as shown in FIG. As a result, appearance and safety are ensured.

  In this way, the coil spring 29 attached to the luggage board 18 by welding the holding plates 30a, 30b to the attachment seats 28a, 28b has one coil end portion 29b positioned in the positioning groove 31 of the attachment seat 28a. The other coil end 29b is fixed in the auxiliary board 18 in a state where it can freely move in the front-rear direction (rotation direction of the coil 29a) in the space 33 of the mounting seat 28b. It has been.

  And each urging | biasing apparatus 21 attached in this way is always urging | biasing the direction in which the coil spring 29 presses the auxiliary board part 18b on the back surface of the rear seat back 11b.

  Specifically, even when the auxiliary board portion 18b is straight with respect to the luggage board main body portion 18a, the small torsional restoring force that the coil end portions 29b and 29c on both sides try to rotate downward is applied to the coil spring 29. Is previously set to occur in the coil portion 29a. In this way, no matter how the angle of the rear seat back 11b is changed by a reclining operation or the like, the auxiliary board portion 18b is moved to the back surface of the rear seat back 11b by the twist restoring force of the coil portion 29a of the coil spring 29 that is twisted and deformed. It can be in a state where it is always pressed. At this time, the coil end 29c of the coil spring 29 is moved in the space 33 to the rotating front end side of the auxiliary board 18b.

  On the other hand, when the auxiliary board portion 18b is turned upward with respect to the luggage board main body portion 18a, the coil portion 29a of the coil spring 29 is raised while being spring-charged. 29c moves in the space 33 to the rotation base end side of the auxiliary board 18b.

  Therefore, the coil end 29c of the coil spring 29 moves back and forth in the space 33 in conjunction with the rotation of the auxiliary board portion 18b, so that the coil spring 29 rotates when the auxiliary board portion 18b rotates. The auxiliary board portion 18b can be rotated about the hinge portion 18c without any rotation center axis, and the coil spring 29 can be prevented from obstructing the rotation about the hinge portion 18c. Further, the coil end portions 29b and 29c of the coil spring 29 are covered with the holding plates 30a and 30b and are hidden from the outside, and are accommodated in the mounting seats 28a and 28b, so that the holding plates 30a and 30b and the luggage board main body 18a. And the auxiliary board portion 18b are substantially flush with each other and are fixedly attached to the luggage board main body portion 18a and the auxiliary board portion 18b, respectively, so that the appearance can be improved and the handling operation of the luggage board 18 can be performed. At times, it is possible to prevent a danger that an operator may be injured by hooking a finger or the like on the coil end portions 29b and 29c, and safety can be achieved.

  As described above, the present invention has been described using the embodiment. However, the technical scope of the present invention is not limited to the scope described in the embodiment, and various modifications or improvements other than the above can be added. Of course, the present invention extends to modifications.

11 Rear seat 11a Rear cushion 11b Rear seat back 14 Luggage room 18 Luggage board (board for luggage room)
18a Luggage board body portion 18b Auxiliary board portion 18c Hinge portion 21 Energizing device 24 Flow molding machine 24a Mold 24b Mold 25 Hinge portion molding cavity 26 Parison 27 Nonwoven fabric 28a, 28b Mounting seat (recess)
29 Coil spring 29a Coil part 29b, 29c Coil end part 30a, 30b Holding plate

Claims (6)

A board for a luggage room of an automobile in which a pair of board portions and a thin hinge portion formed between the pair of board portions are provided in one body,
A coil body having a coil main body disposed in a space between mutually opposing end surfaces of the pair of board portions, and a coil spring having a pair of coil ends extending from both ends of the coil main body;
A strip-shaped first pressing plate that is attached to the one board portion so as to cover the one coil end portion and holds the one coil end portion on the one board portion;
A strip-shaped second pressing plate attached to the other board portion so as to cover the other coil end portion and holding the other coil end portion in the rotation direction of the hinge portion,
The first holding plate is formed with a space that accommodates a portion of the coil having a radius of one of the coil ends, and the other coil of the one coil end is formed on the one board portion. A groove is formed to accommodate the approximate radius,
A board for a luggage room of an automobile, wherein the second holding plate is formed with a space for movably accommodating the coil diameter of the other coil end. Each of the pair of board portions has a recess for accommodating the presser plate and absorbing the thickness of each plate at a position where the first presser plate and the second presser plate are attached. Established
The recess provided at the position where the first pressing plate of the one board part is attached is formed with a depth slightly deeper than the thickness of the first pressing plate, and the second board part of the second board part is formed. The board for a luggage room of an automobile according to claim 1, wherein the recess provided at a position where the pressing plate is attached is formed with a depth slightly deeper than the thickness of the second pressing plate. Each of the pair of board portions has a recess for accommodating the presser plate and absorbing the thickness of each plate at a position where the first presser plate and the second presser plate are attached. Established
The recess provided in the position where the first pressing plate of the one board part is attached is formed with a depth that absorbs the thickness of the first pressing plate, and the recess of the other board part is formed. 2. The automobile according to claim 1, wherein the recess provided at a position where the second pressing plate is attached is formed with a depth that absorbs the thickness of the second pressing plate. Luggage room board.   4. The board for a luggage room of an automobile according to claim 2, wherein a groove for positioning the one coil end portion is formed in a recess provided at a position where the first pressing plate is attached.   The pair of board portions are arranged on the bottom surface of the luggage room formed behind the rear seat back that can be tilted back and forth, and are rotated through the hinge portion to the front end of the luggage board main body portion. An auxiliary board portion arranged continuously in contact with the rear surface of the rear seat back, and the coil spring always urges the auxiliary board portion to abut against the rear seat back side. The board | substrate for luggage rooms of the motor vehicle in any one of Claim 1 to 4 characterized by the above-mentioned.   The automobile according to any one of claims 1 to 5, wherein a nonwoven fabric in which the melted resin that constitutes the pair of board portions and the hinge portion permeates and is integrated is provided on the surface side. Luggage room board.

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