JP2018199439A - Strap attachment structure and manufacturing method of vehicle deck board - Google Patents

Abstract

To provide a vehicle deck board with a strap which enables improvement of workability related to strap attachment work and achieves good visual quality, and to provide a manufacturing method of the vehicle deck board.SOLUTION: In a strap attachment structure, a strap 20 forms a belt-like shape and has a strap side insertion hole 23, into which an attachment member 40 is inserted, at its end part 21. A deck board 30 has an upper plate part 31 forming a vehicle upper surface 30A and a lower plate part 35 and is formed into a hollow shape. The upper plate part 31 has an end part insertion hole 32 and a board side insertion hole 33. A holding surface 36 which holds the end part 21 of the strap 20 so that the strap side insertion hole 23 communicates with the board side insertion hole 33 is formed at the lower plate part 35. The attachment member 40 is inserted into the board side insertion hole 33 and the strap side insertion hole 23 from the vehicle upper surface 30A side in a state where the end part 21 of the strap 20 is held by the holding surface 36 to attach the end part 21 of the strap 20 to the upper plate part 31.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a strap attachment structure for a vehicle deck board and a method for manufacturing the vehicle deck board.

  Conventionally, as a strap attachment structure for a vehicle deck board, one described in Patent Document 1 below is known. In the configuration disclosed in Patent Document 1, a polypropylene strap extending upward is fixed by a rivet at the center in the width direction at the rear end of the deck board. 1 and 2, there is shown an attachment structure for attaching a strap to the lower surface of the vehicle of the deck board.

Japanese Patent Laying-Open No. 2015-168049

  However, in the configuration disclosed in Patent Document 1, it is necessary to perform the strap attachment work with the deck board in a posture in which the vehicle lower surface faces upward. For this reason, when attaching a strap, it is necessary to reverse a deck board, and workability | operativity regarding the attachment work of a strap is bad.

  Further, as a strap attachment structure that does not involve the work of inverting the deck board, an attachment structure in which the end of the strap is attached to the upper surface of the deck board in the vehicle can be considered. However, in such a configuration, the end of the strap is exposed on the upper surface of the deck board for the vehicle, and it does not look good.

  The present invention has been completed based on the circumstances as described above, and provides a vehicle deck board with a strap with good appearance and a method for manufacturing the same while improving workability related to strap attachment work. Objective.

  In order to solve the above problems, a strap attachment structure of the present invention is a strap attachment structure for attaching a strap to a vehicle deck board via an attachment member, and the strap has a belt-like shape. A strap side insertion hole through which the attachment member is inserted is provided at an end, and the vehicle deck board is spaced apart from the upper plate portion constituting the upper surface of the vehicle and the upper plate portion below the vehicle. A lower plate portion arranged in a hollow shape, and the upper plate portion includes an end portion insertion hole for inserting the end portion of the strap, and a board side through which the attachment member is inserted. An insertion hole, and the lower plate portion includes the end portion of the strap inserted into the end portion insertion hole from the vehicle upper surface side with respect to the board side insertion hole. To keep it in communication A surface is formed, and the attachment member is inserted into the board side insertion hole and the strap side insertion hole from the vehicle upper surface side in a state where the end portion of the strap is held by the holding surface, The end portion of the strap is configured to be attached to the upper plate portion.

  ADVANTAGE OF THE INVENTION According to this invention, the attachment work of a strap can be performed by making the vehicle deck board into the attitude | position in which a vehicle upper surface faces upwards, and the workability | operativity of attachment work can be improved. Further, according to the present invention, the terminal of the strap is not exposed on the upper surface of the vehicle deck board, and the appearance of the vehicle deck board can be improved.

  In the above configuration, the lower plate portion has a positioning surface that abuts on a terminal of the end portion of the strap inserted into the end portion insertion hole and defines a position of the end portion of the strap on the holding surface. It may be formed. According to such a configuration, it is easy to align the position of the strap side insertion hole with respect to the board side insertion hole, and the workability of attaching the strap to the vehicle deck board can be further improved.

  In the above configuration, the attachment member includes a flange portion and a sleeve that protrudes from the flange portion and is provided so as to be capable of being expanded in diameter, and the lower plate portion includes the upper plate portion. An accommodation space for accommodating the sleeve before being expanded and deformed is formed at a position facing the board-side insertion hole, and the board-side insertion hole and the strap-side insertion hole from the vehicle upper surface side. The end portion of the strap may be fastened to the surface of the upper plate portion on the lower plate portion side while being expanded and deformed in the accommodation space. According to such a configuration, the end portion of the strap can be attached to the upper plate portion with high strength.

  In addition, in order to solve the above problems, a method for manufacturing a vehicle deck board according to the present invention is a method for manufacturing a vehicle deck board to which a strap is attached via an attachment member, and the attachment member includes a flange portion. And a sleeve that protrudes from the flange portion and is provided so as to be capable of being expanded in diameter, and the strap has a band shape, and has a strap side insertion hole through which the attachment member is inserted. The vehicle deck board includes a top plate portion that constitutes a top surface of the vehicle, and a bottom plate portion that is spaced apart from the top plate portion and disposed below the vehicle. The upper plate portion includes an end portion insertion hole for inserting the end portion of the strap, and a board side insertion hole through which the attachment member is inserted. The strap side insertion hole with respect to the board side insertion hole A holding surface for holding so as to communicate with each other, and an accommodation space for accommodating the sleeve before diameter expansion deformation at a position facing the board side insertion hole of the upper plate portion, The end portion of the strap is inserted into the end portion insertion hole from the vehicle upper surface side of the vehicle deck board, and the sleeve is held in the state where the end portion of the inserted strap is held by the holding surface. The end portion of the strap is placed below the upper plate portion while the sleeve is inserted into the board side insertion hole and the strap side insertion hole from the vehicle upper surface side, and the inserted sleeve is expanded in diameter in the housing space. Fasten to the plate side.

  ADVANTAGE OF THE INVENTION According to this invention, the attachment work of a strap can be performed by making the vehicle deck board into the attitude | position in which a vehicle upper surface faces upwards, and the workability | operativity of attachment work can be improved. Further, according to the present invention, the terminal of the strap is not exposed on the upper surface of the vehicle deck board, and the appearance of the vehicle deck board can be improved. Furthermore, the end portion of the strap can be attached to the upper plate portion with high strength.

  ADVANTAGE OF THE INVENTION According to this invention, while improving the workability | operativity which concerns on the attachment operation | work of a strap, the deck board for vehicles with a strap with good appearance, and its manufacturing method can be provided.

The perspective view which shows the luggage compartment of the vehicle by which the deck board which concerns on Embodiment 1 of this invention is arranged. Sectional drawing which shows the strap attachment structure in FIG. 1 (the figure cut | disconnected by the II-II line of FIG. 1) The perspective view which looked at the holding surface from the upper part of the vehicle (the upper plate portion and the strap are omitted) The perspective view which looked at the edge part of the strap hold | maintained at the holding surface from the vehicle upper direction (omitting the upper board part) Top view of the end of the strap held on the holding surface as viewed from above the vehicle (the upper plate is omitted, and the positions of the end insertion holes and the board side insertion holes are indicated by two-dot chain lines) Explanatory drawing showing the manufacturing method of deck board Sectional drawing which shows the strap attachment structure concerning Embodiment 2 of this invention

<Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. In this embodiment, the deck board (vehicle deck board) 30 provided in the luggage compartment 11 of the vehicle 10 is illustrated. In FIG. 1, the left side is the vehicle front side, and the right side is the vehicle rear side. Further, the vertical direction in FIG. 2 corresponds to the vertical direction of the vehicle.

  As shown in FIG. 1, the vehicle 10 has a luggage compartment 11 at the rear of the rear seat. A rear opening 13 is formed at the vehicle rear side of the luggage compartment 11 by opening the rear door. Then, the luggage is carried into the luggage compartment 11 through the rear opening 13. The luggage compartment 11 is divided into two upper and lower stages by the deck board 30. An under tray 15 is provided below the deck board 30 in the luggage compartment 11. The deck board 30 is held in a horizontal posture so as to cover the under tray 15 from above.

  As shown in FIG. 1, the strap 20 is attached to the deck board 30 via an attachment member 40. The strap 20 is disposed in the vicinity of the vehicle rear end of the deck board 30, and a luggage or the like can be taken in and out of the under tray 15 by holding the strap 20 and lifting the deck board 30.

  As shown in FIG. 2, the attachment member 40 includes a flange portion 41 and a cylindrical sleeve 43 that protrudes from the flange portion 41 and is provided so as to be capable of expanding its diameter. The mounting member 40 is a so-called blind rivet, and the sleeve 43 is expanded and deformed by a mandrel 45 that is accommodated in the sleeve 43 and extends from the flange portion 41, so that a member to be fastened from the flange portion 41 side. Can be fastened (see FIG. 6D). In the following description, the portion of the sleeve 43 whose diameter has been deformed is referred to as a caulking portion 43A.

  As shown in FIG. 2, the strap 20 has a belt shape and extends upward from the vehicle upper surface 30 </ b> A of the deck board 30. The strap 20 can be gripped by folding a flexible belt-like member in a loop shape so that a finger is placed on the loop-shaped portion.

  As shown in FIGS. 2 and 4, the strap 20 has a strap side insertion hole 23 through which the attachment member 40 (the sleeve 43) is inserted. In the present embodiment, the strap-side insertion hole 23 is formed so as to penetrate both overlapping belt-like members in the thickness direction at the end 21 located on the opposite side of the loop-shaped end.

  As shown in FIGS. 2 and 4, the strap-side insertion hole 23 has an elliptical shape in plan view, and has a larger diameter than the sleeve 43 before being expanded and deformed in the width direction. The diameter is smaller than 41. And the hole edge of the strap side penetration hole 23 becomes a structure latched by the caulking part 43A. The strap side insertion hole 23 has a long shape along the longitudinal direction of the strap 20, so that the sleeve 43 can be inserted into the strap side insertion hole 23 even if there is an arrangement error in the insertion direction of the strap 20. Has been.

  As shown in FIG. 2, the deck board 30 includes an upper plate portion 31 that constitutes the vehicle upper surface 30 </ b> A, and a lower plate portion 35 that is spaced apart from the upper plate portion 31 and below the vehicle. It is configured in a hollow shape. The deck board 30 is formed by sticking a non-woven fabric 31C to the upper plate surface of the board member formed in a hollow shape by blow molding synthetic resin. The “vehicle upper surface 30 </ b> A of the deck board 30” is a surface located on the vehicle upper side in the horizontal posture of the deck board 30.

  As shown in FIG. 2, the upper plate portion 31 has a flat plate shape and constitutes a load placement surface on which the load is placed in the upper portion of the luggage compartment 11. That is, it can be said that the vehicle upper surface 30A of the deck board 30 is a surface that is easily noticed by the user.

  2 and 5, the upper plate portion 31 has an end insertion hole 32 for inserting the end portion 21 of the strap 20, and a board side insertion hole 33 through which the attachment member 40 is inserted. doing. The end insertion hole 32 has a long hole shape extending along the vehicle width direction, and is arranged at the vehicle rear end of the upper plate portion 31. The end insertion hole 32 has a shape that is slightly larger than the cross-sectional shape of the end portion 21 of the strap 20 in the width direction, and is configured such that the end portion 21 of the strap 20 can be inserted from the vehicle upper surface 30A side. The board side insertion hole 33 is arranged in front of the end insertion hole 32 in the vehicle. The board-side insertion hole 33 has a circular shape in a plan view, and has a larger diameter than the sleeve 43 before the diameter expansion deformation, and a smaller diameter than the caulking portion 43A and the flange portion 41. In FIG. 5, the upper plate portion 31 is omitted, and the outer shapes of the end portion insertion holes 32 and the board side insertion holes 33 are indicated by two-dot chain lines.

  As shown in FIG. 2, the lower plate portion 35 has a flat plate shape in which the general portion 35 </ b> C is spaced apart from the upper plate portion 31 at a constant interval, while facing the end insertion hole 32 and the board side insertion hole 33. The facing portion 35D has a shape displaced so as to be closer to the upper plate portion 31 than the general portion 35C.

  As shown in FIGS. 2 and 3, the lower plate portion 35 is formed with a holding surface 36 that holds the end portion 21 of the strap 20 inserted into the end portion insertion hole 32 from the vehicle upper surface 30 </ b> A side. Further, the lower plate portion 35 is formed with a positioning surface 37 that defines the position of the end portion 21 of the strap 20 on the holding surface 36, and an accommodation space 38A for accommodating the sleeve 43 before being subjected to diameter expansion deformation. .

  As shown in FIGS. 3 and 4, a pair of holding surfaces 36 are formed on both sides in the vehicle width direction at positions overlapping the board side insertion holes 33 so as to support both ends in the width direction of the end portions 21 of the strap 20. Has been. The holding surface 36 extends to the vicinity of the front end portion of the end insertion hole 32, and a step 36A is formed on the rear side of the vehicle.

  As shown in FIG. 2, the holding surface 36 is configured to hold the end portion 21 of the strap 20 so that the strap side insertion hole 23 communicates with the board side insertion hole 33. In the strap attachment structure in the present embodiment, the end 21 of the strap 20 is held by the holding surface 36 until the attachment member 40 is inserted into the board side insertion hole 33 and the strap side insertion hole 23 that communicate with each other. After the strap 20 is attached to the deck board 30, the end portion 21 of the strap 20 is not held by the holding surface 36.

  As shown in FIGS. 2 and 4, the positioning surface 37 is configured to contact the terminal 21 </ b> A of the end 21 of the strap 20 inserted into the end insertion hole 32. The positioning surface 37 is located on the opposite side of the holding surface 36 from the end insertion hole 32, that is, in front of the holding surface 36 in the vehicle, and has a wall shape that rises upward from the holding surface 36. The upper end of the positioning surface 37 is disposed in the vicinity of the upper plate portion 31, and the strap 20 is restricted from being inserted in front of the vehicle over the positioning surface 37.

  As shown in FIGS. 2 and 3, the accommodation space 38 </ b> A is formed at a position facing the board side insertion hole 33 of the upper plate portion 31. The accommodation space 38 </ b> A is formed in a recess 38 that is recessed in the lower plate portion 35 between the pair of holding surfaces 36. The concave portion 38 has a depth dimension that can accommodate the sleeve 43 before undergoing diameter expansion deformation. Of the inner wall surface of the recess 38, the surface located in front of the vehicle extends on the same plane as the positioning surface 37, and constitutes a part of the positioning surface 37 in front of the board side insertion hole 33.

  As shown in FIGS. 2 and 6, the strap attachment structure allows the attachment member 40 to be inserted into the board side insertion hole 33 and the strap side insertion from the vehicle upper surface 30 </ b> A side with the end 21 of the strap 20 held by the holding surface 36. The end portion 21 of the strap 20 is attached to the upper plate portion 31 through the hole 23. Furthermore, in this embodiment, the strap attachment structure is such that the sleeve 43 is inserted into the board side insertion hole 33 and the strap side insertion hole 23 from the vehicle upper surface 30A side, and the diameter of the strap 20 is increased and deformed in the accommodation space 38A. The end portion 21 is configured to be fastened to the inner surface (surface on the lower plate portion 35 side) 31B of the upper plate portion 31.

  Then, the manufacturing method of the deck board 30 with the strap 20 in this embodiment is demonstrated. When manufacturing the deck board 30 with the strap 20, first, the molded deck board 30 is placed on a work table or the like with the vehicle upper surface 30A facing upward (see FIG. 6A). At this time, the holding surface 36, the positioning surface 37, and the accommodating space 38A in the lower plate portion 35 are already formed by blow molding. Separately, the strap 20 in which the strap side insertion hole 23 is formed is prepared.

  Then, as shown in FIG. 6 (B), an end portion insertion hole 32 and a board side insertion hole 33 are formed in the upper plate portion 31, respectively. Specifically, a heated hot blade (not shown) whose cross-sectional shape is the same as that of the end insertion hole 32 and the board side insertion hole 33 is pressed against the vehicle upper surface 30 </ b> A side of the upper plate portion 31. Then, the upper plate portion 31 is punched to separate the cut pieces 32A and 33A. The cut pieces 32 </ b> A and 33 </ b> A may be attached to the lower plate portion 35 by pressing the hot blade against the inner surface of the lower plate portion 35 (the surface on the upper plate portion 31 side). The cutting residue 33A of the board side insertion hole 33 is arranged so as to fill a step 36A formed on the rear side of the holding surface 36 so that the upper surface of the cutting residue 33A is substantially flush with the holding surface 36. A guide surface that guides the insertion direction of the end portion 21 of the strap 20 from a position overlapping the end portion insertion hole 32 to the vehicle front side of the board side insertion hole 33 is configured.

  Next, as shown in FIG. 6C, the end portion 21 of the strap 20 is inserted into the end portion insertion hole 32 from the vehicle upper surface 30 </ b> A side of the deck board 30. At this time, the end portion 21 of the strap 20 is inserted into the posture in which the thickness direction is along the vehicle front-rear direction, while being biased so that the surface on the front side of the vehicle faces slightly above the vehicle. Then, the end portion 21 of the strap 20 inserted into the end portion insertion hole 32 is inserted along the holding surface 36 toward the front of the vehicle. Then, the terminal 21A of the end 21 hits the positioning surface 37, and further insertion is restricted. The end portion 21 of the strap 20 is in a posture facing the upper plate portion 31 at a position where the insertion is restricted, and the strap side insertion hole 23 communicates with the board side insertion hole 33 as shown in FIG. . In this state, a storage space 38 </ b> A is formed in the lower plate portion 35 below the strap side insertion hole 23 in the vehicle.

  Then, as shown in FIG. 6D, in the state where the end portion 21 of the inserted strap 20 is held by the holding surface 36, the sleeve 43 is inserted into the board side insertion hole 33 and the end portion insertion hole from the vehicle upper surface 30A side. 32 is inserted. Specifically, when the sleeve 43 of the attachment member 40 is inserted into the board side insertion hole 33 from above the vehicle, the sleeve 41 is automatically inserted into the end insertion hole 32 at a position where the flange 41 abuts the vehicle upper surface 30A. Is in a state of being housed in the housing space 38A.

  Then, the end portion 21 of the strap 20 is fastened to the inner surface 31B of the upper plate portion 31 while the diameter of the inserted sleeve 43 is deformed in the accommodation space 38A (see FIG. 2). Specifically, the work of expanding the diameter of the sleeve 43 is performed by pulling up the mandrel 45 extending toward the vehicle upper surface 30A using a jig. Then, the sleeve 43 is plastically deformed so that the tip thereof is divided into a plurality of pieces and each of the plurality of pieces warps outward. Then, the sleeve 43 is caulked by the plastically deformed sleeve 43 to a position where the end portion 21 of the strap 20 is pressed against the inner surface 31B of the upper plate portion 31 to form a caulking portion 43A. Then, the hole edge of the board side insertion hole 33 and the hole edge of the strap side insertion hole 23 are sandwiched by the caulking portion 43 </ b> A and the flange portion 41 of the attachment member 40. In addition, after the sleeve 43 is expanded and deformed, a portion of the mandrel 45 that extends from the collar portion 41 is cut off. Thus, the manufacture of the deck board 30 to which the strap 20 is attached via the attachment member 40 is completed.

  Then, the effect of this embodiment is demonstrated. According to the strap attachment structure and the manufacturing method of the deck board 30 of the present embodiment, the attachment work of the strap 20 can be performed with the deck board 30 set in a posture in which the vehicle upper surface 30A faces upward, and the workability of the attachment work is improved. can do. Moreover, according to the strap attachment structure and the manufacturing method of the deck board 30 of the present embodiment, the terminal 21A of the strap 20 is not exposed to the vehicle upper surface 30A of the deck board 30, and the appearance of the deck board 30 can be improved. it can.

  In the present embodiment, since the positioning surface 37 is formed on the lower plate portion 35, the position of the strap side insertion hole 23 can be easily aligned with the board side insertion hole 33, and the strap with respect to the deck board 30 can be further enhanced. The workability of the 20 mounting operations can be improved.

  Further, in the strap attachment structure of the present embodiment, the sleeve 43 of the attachment member 40 is inserted from the vehicle upper surface 30A side into the board side insertion hole 33 and the strap side insertion hole 23, and the diameter thereof is expanded and deformed in the accommodation space 38A. The end portion 21 of the strap 20 is configured to be fastened to the inner surface 31 </ b> B of the upper plate portion 31. According to such a strap attachment structure and a manufacturing method of the deck board 30, the end portion 21 of the strap 20 can be attached to the upper plate portion 31 with high strength.

<Embodiment 2>
Next, Embodiment 2 of the present invention will be described with reference to FIG. In the present embodiment, a deck board (vehicle deck board) 130 having a mounting member that is different from the first embodiment is illustrated. In addition, the description which overlaps about the structure, an effect | action, and effect similar to above-described embodiment is abbreviate | omitted.

  The attachment member 140 includes a flange portion 41 and a columnar shaft portion 143 that protrudes from the flange portion 41. The lower plate portion 135 is not formed with the accommodating space 38 </ b> A, and the holding surface 136 also extends at a position facing the board side insertion hole 33 of the upper plate portion 31. And the attachment member 140 is fixed with respect to the inner surface (holding surface 136) of the lower board part 135 via the contact bonding layer 147 distribute | arranged to the vehicle lower surface of the axial part 143. FIG. The attachment member 140 is fixed to the upper plate portion 31 by the shaft portion 143 passing through the board side insertion hole 33 and the flange portion 41 being locked to the hole edge of the board side insertion hole 33. The

  The strap side insertion hole 23 has an oval shape in plan view, and has a larger diameter than the shaft portion 143 and a smaller diameter than the flange portion 41 in the width direction. The end portion 21 of the strap 20 is fixed to the deck board 130 with the shaft portion 143 inserted through the strap side insertion hole 23, so that the upper plate portion 31 and the lower plate portion 135 is configured to be locked so as to be movable along the axial direction of the shaft portion 143. That is, in the strap attachment structure in the present embodiment, the holding of the end portion 21 of the strap 20 by the holding surface 136 is performed even after the end portion 21 of the strap 20 is attached to the upper plate portion 31.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In addition to the above embodiment, the strap shape, configuration, and arrangement on the deck board can be changed as appropriate. For example, the strap may not be configured in a loop shape. Further, in order to ensure the strength of the strap insertion hole, a reinforcing member may be provided at the hole edge.
(2) In addition to the above embodiment, the shape and configuration of the deck board can be changed as appropriate. For example, the under tray may be covered with a plurality of deck boards. Further, its use is not limited to covering the under tray.
(3) In the above embodiment, the configuration in which the positioning surface is formed on the lower plate portion is illustrated, but the present invention is not limited to this. For example, the position of the end portion of the strap on the holding surface may be defined by preliminarily defining the length for inserting the end portion of the strap into the end portion insertion hole.
(4) In the above embodiment, the configuration in which the accommodation space is formed in the recess is illustrated, but the present invention is not limited to this. For example, the accommodation space may be formed below the vehicle from the opening by providing an opening in the lower plate.
(5) In addition to the above embodiment, the configuration and fixing mode of the mounting member can be changed as appropriate. For example, the attachment member may be a so-called push rivet. In addition, a claw is formed at the tip of the shaft portion of the second embodiment, and a through hole communicating with the board side insertion hole and the strap side insertion hole is formed in the lower plate portion so that the claw of the shaft portion is a hole of the through hole. It may be a fixed form that is locked to the edge. In this case, it is preferable that the through hole of the lower plate portion is formed from the vehicle upper surface side together with the board side insertion hole.
(6) The deck board provided with the strap attachment structure of the above embodiment may be manufactured by a manufacturing method other than the above-described manufacturing method. For example, the deck board may be formed by a molding method other than blow molding. Moreover, the drilling method of an edge part insertion hole and a board side insertion hole can also be changed suitably. For example, the cut pieces of the end insertion hole and the board side insertion hole may be removed from the deck board.

  DESCRIPTION OF SYMBOLS 20 ... Strap, 21 ... End part, 21A ... Terminal, 23 ... Strap side insertion hole, 30, 130 ... Deck board (vehicle deck board), 30A ... Vehicle upper surface, 31 ... Upper plate part, 31B ... Inner surface (lower plate) Surface 35), 32 ... end insertion hole, 33 ... board side insertion hole, 35, 135 ... lower plate part, 36, 136 ... holding surface, 37 ... positioning surface, 38A ... accommodation space, 40, 140 ... Mounting member, 41 ... buttocks, 43 ... sleeve

Claims (4)

A strap attachment structure for attaching a strap to a vehicle deck board via an attachment member,
The strap has a band shape, and has a strap side insertion hole through which the mounting member is inserted,
The vehicle deck board is:
The upper plate portion constituting the upper surface of the vehicle, and the lower plate portion spaced apart from the lower plate with respect to the upper plate portion, and configured in a hollow shape,
The upper plate portion has an end portion insertion hole for inserting the end portion of the strap, and a board side insertion hole through which the attachment member is inserted,
The lower plate portion holds the end portion of the strap inserted into the end portion insertion hole from the vehicle upper surface side so that the strap side insertion hole communicates with the board side insertion hole. The surface is formed,
With the end portion of the strap held by the holding surface, the attachment member is inserted into the board side insertion hole and the strap side insertion hole from the vehicle upper surface side, and the end portion of the strap is A strap attachment structure characterized by being configured to be attached to an upper plate portion.   The lower plate portion is formed with a positioning surface that abuts the end of the end of the strap inserted into the end insertion hole and defines the position of the end of the strap on the holding surface. The strap attachment structure according to claim 1, wherein: The mounting member includes a flange portion, and a sleeve that protrudes from the flange portion and is provided so as to be capable of expanding and deforming.
The lower plate portion is formed with an accommodation space for accommodating the sleeve before the diameter expansion deformation at a position facing the board side insertion hole of the upper plate portion,
The sleeve is inserted into the board-side insertion hole and the strap-side insertion hole from the vehicle upper surface side, and the diameter of the end portion of the strap is changed to the lower plate of the upper plate portion while the diameter of the sleeve is increased. The strap attachment structure according to claim 1 or 2, wherein the strap attachment structure is configured to be fastened to a surface on a part side. A vehicle deck board manufacturing method in which a strap is attached via an attachment member,
The mounting member includes a flange portion, and a sleeve that protrudes from the flange portion and is provided so as to be capable of expanding and deforming.
The strap has a band shape, and has a strap side insertion hole through which the mounting member is inserted,
The vehicle deck board is:
An upper plate portion that constitutes the upper surface, and a lower plate portion that is spaced apart from the lower plate with respect to the upper plate portion, and is configured to be hollow.
The upper plate portion has an end portion insertion hole for inserting the end portion of the strap, and a board side insertion hole through which the attachment member is inserted,
The lower plate portion expands and deforms at a holding surface that holds the strap side insertion hole so as to communicate with the board side insertion hole and a position facing the board side insertion hole of the upper plate portion. A storage space for storing the previous sleeve;
Inserting the end of the strap into the end insertion hole from the vehicle upper surface side of the vehicle deck board;
With the end of the inserted strap held by the holding surface, the sleeve is inserted from the vehicle upper surface side into the board side insertion hole and the strap side insertion hole,
Manufacturing the deck board for a vehicle, wherein the end portion of the strap is fastened to a surface of the upper plate portion on the lower plate portion side while the inserted sleeve is expanded and deformed in the accommodation space. Method.

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