JP2020069904A - Resin panel - Google Patents

Abstract

To provide a resin panel which achieves high operability with a simple structure.SOLUTION: The invention relates to a resin panel provided at a cargo chamber of a vehicle and includes: a plate-like body part; and first and second straps. The first strap is fixed to the back surface side of the body part at the first and second fixing parts separated from each other, and a first finger hook part is provided between the first and second fixing parts. In the second strap, one end side is fixed to the back surface side of the body part, a ring part provided at the other end side protrudes to the front surface side of the body part, and a second finger hook part is formed by the ring part. Such a resin panel is provided.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a resin panel. The resin panel of the present invention can be used as a luggage compartment board of a vehicle.

  Regarding a resin panel used for a luggage compartment board (also called a deck board or a luggage board) of a vehicle, for example, in Patent Document 1, a strap for gripping when opening and closing the panel is erected on the front surface side and the back surface side. A resin panel is disclosed.

Japanese Patent No. 5802809

  However, the resin panel described in Patent Document 1 has a problem in that the strap structure is complicated and it takes time and effort during manufacturing. In addition, since the user needs to grasp the strap that is erected on the end surface, there is room for improvement in operability when opening and closing the panel.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a resin panel having a simple structure and high operability.

  According to the present invention, a resin panel provided in a luggage compartment of a vehicle includes a plate-shaped main body and first and second straps, and the first straps are separated from each other by the first and second straps. The second strap is fixed to the back surface side of the main body portion by a fixing portion, a first finger hook portion is provided between the first and second fixing portions, and one end side of the second strap is fixed to the back surface side of the main body portion and the other end thereof is Provided is a resin panel in which a ring portion provided on the side projects toward the front surface side of the main body portion, and the ring portion configures a second finger hook.

  In the configuration of the present invention, since the resin panel is provided with the first finger hooking portion that can be hooked from the back surface side of the resin panel and the second finger hooking portion that can be fingered from the front surface side, the user can make the first and second The resin panel can be opened and closed by placing a finger on the two-finger hanging portion. This makes it possible to provide a resin panel having a simple structure and high operability.

Hereinafter, various embodiments of the present invention will be exemplified.
Preferably, the ring portion protrudes toward the front surface side through a through hole provided in the main body portion.

  Preferably, the main body portion has a recess on the back surface, and the through hole is provided in the recess.

  Preferably, the first and second fixing portions are arranged so as to sandwich the recess.

  Preferably, the concave portion is a first concave portion, the main body portion includes a second concave portion, and the first and second fixing portions are arranged so as to sandwich the second concave portion.

  Preferably, the second recess is arranged at a position adjacent to the first recess.

  Preferably, the first and second straps are composed of separate parts of one strap.

FIG. 1A is a perspective view of a resin panel 10 according to the first embodiment of the present invention. FIG. 1B is an enlarged view of area D in FIG. 1A. FIG. 2 is a sectional view taken along line XX in FIG. 1B. It is a figure which shows the molding machine 60 which can be utilized for manufacture of the resin panel 10. It is a figure explaining the manufacturing method of the resin panel 10 using the molding machine 60. FIG. 5A is a view corresponding to FIG. 1B in the resin panel 20 of the second embodiment. 5B is a sectional view taken along line YY in FIG. 5A. FIG. 6A is a view corresponding to FIG. 1B in the resin panel 30 of the third embodiment. FIG. 6B is a ZZ sectional view in FIG. 6A.

  Hereinafter, embodiments of the present invention will be described. The various features shown in the embodiments described below can be combined with each other. Further, the invention is independently established for each characteristic item.

1. First Embodiment 1-1. Configuration of Resin Panel 10 As shown in FIG. 1A, the resin panel 10 according to the first embodiment of the present invention is formed in a rectangular shape in a plan view. The resin panel 10 includes a plate-shaped main body 1 and a finger hanging strap S. The resin panel 10 is used, for example, as a luggage compartment board in a luggage compartment of a vehicle.

  The main body 1 in the present embodiment is formed of a resin molded body, and includes a core material 13 (not shown in FIG. 2A; see FIGS. 3 to 4) inside. The core material 13 is made of foam or the like. As a result, the main body 1 is lightweight and has high strength.

  As shown in FIG. 1B, the finger hanging strap S includes a first strap S1 and a second strap S2. In this embodiment, the first strap S1 and the second strap S2 are connected to each other. The finger-hanging strap S is made of a band made of any material such as leather, organic fiber, and non-woven fabric.

  The first strap S1 is fixed to a mounting surface 1b provided on the back surface 1a side of the main body 1 by a first fixing portion 4a and a second fixing portion 4b that are separated from each other. In this embodiment, a fixing tool such as a rivet is used for the first fixing portion 4a and the second fixing portion 4b. As shown in FIG. 2, the first fixing portion 4a and the second fixing portion 4b are attached to an attachment surface 1b provided lower than the back surface 1a so that the tops thereof do not project above the back surface 1a. A first finger hook 2a is provided between the first fixing portion 4a and the second fixing portion 4b.

  One end side of the second strap S2 is fixed to the mounting surface 1b provided on the back surface 1a side, and the ring portion R provided on the other end side projects to the front surface side. Here, the ring portion R constitutes the second finger hook 2b.

  More specifically, the main body 1 includes the first recess 3a and the second recess 3b formed adjacently on the back surface 1a. As shown in FIG. 2, a through hole 5a is provided in the bottom portion 5 of the first recess 3a.

  The first fixing portion 4a and the second fixing portion 4b are arranged so as to sandwich the second concave portion 3b. Thus, the first finger hook 2a is provided between the first fixing portion 4a and the second fixing portion 4b so as to straddle the second recess 3b. Here, the width of the second recess 3b in the X arrow direction (hereinafter, simply referred to as width) is configured to be larger than the width of the first strap S1. Specifically, the width of the second recess 3b is preferably 2 to 4 times the width of the first strap S1. With such a configuration, the user can easily put his / her finger on the first strap S1. On the other hand, the ring portion R provided on the other end side of the second strap S2 protrudes toward the front surface 1c side through the through hole 5a provided in the bottom portion 5 of the first recess 3a to form the second finger hook portion 2b. ing.

  Although the details will be described later, since the bottom portion 5 is formed by the resin being pressed by the protrusion 71a provided in the mold 71 (see FIGS. 3 and 4), the resin is compressed and the strength is increased. There is. As a result, it is possible to form the high-strength through hole 5a.

  With such a configuration, when the user operates the resin panel 10 from the back surface 1a side, he or she can operate by putting his / her finger on the first finger hook 2a, and from the front surface 1c side the resin panel. When operating 10, the second finger hook 2b can be operated by placing a finger on it. Further, since the first strap S1 and the second strap S2 are connected to each other, and the resin panel 10 can be easily manufactured using one finger-hanging strap S, the number of parts in manufacturing can be increased. Can be reduced.

  Further, with such a configuration, it is possible to secure the fixing strength of the first strap S1 and the second strap S2. That is, when the user operates the resin panel 10 from the front surface 1c side, the second strap S2 is pulled in the front surface direction by placing a finger on the second finger hook 2b. In this case, tension is applied to the second fixing portion 4b in the shearing direction, and the force applied in the pulling-out direction is reduced.

  Further, when the user operates the resin panel 10 from the back surface 1a side, the first strap S1 is pulled in the direction of the back surface by placing the finger on the first finger hook 2a. In this case, since the first strap is fixed by the first fixing portion 4a and the second fixing portion 4b, the tension is dispersed in the shearing direction of the first fixing portion 4a and the second fixing portion 4b. In this way, it is possible to reduce the force of the first fixing portion 4a and the second fixing portion 4b in the pull-out direction, and the fixing strength of the first strap S1 and the second strap S2 is secured.

1-2. Configuration of Molding Machine 60 With reference to FIG. 3, a molding machine 60 for molding the main body 1 will be described. As shown in FIG. 3, the molding machine 60 includes a hopper 62, an extruder 63, an accumulator 67, and a T die 68. The extruder 63 and the accumulator 67 are connected via a connecting pipe 75. The accumulator 67 and the T die 68 are connected via a connecting pipe 77. Hereinafter, each configuration will be described in detail.

・ Hopper 62, extruder 63
The hopper 62 is used to feed the raw material resin 61 into the cylinder 63 a of the extruder 63. The form of the raw material resin 61 is not particularly limited, but is usually in the form of pellets. The raw material resin is, for example, a thermoplastic resin such as polyolefin, and examples of the polyolefin include low density polyethylene, linear low density polyethylene, high density polyethylene, polypropylene, ethylene-propylene copolymer and a mixture thereof. The raw material resin 61 may include a recycled raw material produced by crushing the large burr 26b by the crusher 18. The raw material resin 61 is put into the cylinder 63a from the hopper 62 and then melted by being heated in the cylinder 63a to become a molten resin. Further, by the rotation of the screw arranged in the cylinder 63a, the screw is conveyed toward the tip of the cylinder 63a. The screw is arranged in the cylinder 63a, and the rotation thereof causes the molten resin to be kneaded and conveyed. A gear device is provided at the base end of the screw, and the screw is rotationally driven by the gear device.

・ Accumulator 67, T-die 68
The raw material resin is extruded from the resin extruding port of the cylinder 63a and injected into the accumulator 67 through the connecting pipe 75. The accumulator 67 includes a cylinder 67a and a piston 67b slidable inside the cylinder 67a, and the molten resin 61a can be stored in the cylinder 67a. Then, by moving the piston 67b after the predetermined amount of the molten resin 61a is stored in the cylinder 67a, the molten resin 61a is pushed out from the slit provided in the T die 68 through the connecting pipe 77 and drooped to bring the molten state. The first and second resin sheets 73a and 73b are formed.

・ Mold 71, 72
The resin sheets 73a and 73b are guided between the molds 71 and 72. The molds 71 and 72 are separable by a parting surface which abuts when the molds are closed, and the molds 71 and 72 form the main body 1. That is, in the molding step, the main body 1 is formed using the pair of molds 71 and 72 that can be divided.

  The mold 71 is provided with a large number of vacuum suction holes (not shown), so that the resin sheet 73a can be vacuum-suctioned and shaped into a shape along the inner surface 71b of the cavity of the mold 71. ing. A pinch-off portion 71c is provided so as to surround the cavity. The mold 71 is formed with a protrusion 71 a for forming the recesses 3 a and 3 b of the main body 1.

  The mold 72 is provided with a large number of vacuum suction holes (not shown), so that the resin sheet 73b can be vacuum-suctioned and shaped into a shape along the inner surface 72b of the cavity of the mold 72. ing. A pinch-off portion 72c is provided so as to surround the cavity.

1-3. Method of manufacturing resin panel 10

<Details of molding process>
The molding process of the main body 1 will be described with reference to FIG. The molding process includes, for example, a hanging process, a shaping process, a core material welding process, and a mold closing process.

In the hanging step, as shown in FIG. 4, the resin sheets 73a and 73b formed by pushing the molten resin 61a through the slits of the T die 68 and hanging the molten resin 61a are dropped between the molds 71 and 72. The resin sheet 73a is hung between the core material 13 and the mold 71. The resin sheet 73b is hung between the insertion device 9 and the mold 72. In this embodiment, since the resin sheets 73a and 73b extruded from the T die 68 are directly used for direct vacuum forming, the resin sheets 73a and 73b may be cooled to room temperature and solidified before forming. In addition, the solidified resin sheets 73a and 73b are not heated before molding.

-Shaping step In the shaping step, the resin sheets 73a and 73b are vacuum-sucked by the molds 71 and 72 to shape the resin sheets 73a and 73b. In the mold 71, the resin sheet 73a is shaped into a shape along the outer shape of the inner surface 71b of the cavity. The resin sheet 73b is shaped into a shape along the inner surface 72b of the cavity. The timing of shaping the resin sheets 73a and 73b may be deviated, and for example, the resin sheet 73b may be shaped after the core material welding step or the resin sheet 73b may be shaped in the mold clamping step. Good.

Core Material Welding Step In the core material welding step, the core material 13 is welded to the resin sheet 73a. The core material 13 can be welded to the resin sheet 73a by moving the insertion device 9 toward the resin sheet 73a. After the core material 13 is welded to the resin sheet 73a, the insertion device 9 is moved to a position outside the movement loci of the molds 71 and 72.

  The timing of arranging the core material 13 between the resin sheets 73a and 73b is not limited, and may be arranged between the resin sheets 73a and 73b in the hanging process or the shaping process. Further, the core material 13 may be welded to the resin sheet 73b first.

Mold Closing Step In the mold closing step, the molds 71 and 72 are closed by moving the molds 71 and 72 in the directions of arrows C1 and C2 in FIG. As a result, the resin sheets 73a and 73b are compressed and welded at the portions (corresponding to the recesses 3a and 3b) of the main body 1 corresponding to the protrusions 71a. This improves the strength of the bottom portion 5 of the recess 3a.

  As described above, in the method of manufacturing the resin panel 10 according to the present embodiment, the protrusion 71a provided in the mold 71 applies pressure to the main body 1 of the resin panel 10 so that the first concave portion 3a and the first concave portion 3a are formed. 2 The recess 3b is formed. By doing so, the protrusion 71a of the mold 71 compresses the resin sheet, and the strength of the bottom portion 5 of the first recess 3a increases. As a result, the through hole 5a can be easily formed.

2. Second Embodiment A resin panel 20 according to the second embodiment will be described with reference to FIGS. 5A and 5B. In the resin panel 20, a recess 3 is provided on the back surface 1a of the main body 1, and the first strap S1 and the second strap are different straps.

  As shown in FIGS. 5A and 5B, the first fixing portion 4a and the second fixing portion 4b of the first strap S1 are arranged so as to sandwich the concave portion 3. As a result, the first finger hook 2a is provided between the first fixing portion 4a and the second fixing portion 4b so as to straddle the recess 3. On the other hand, the ring portion R provided on the other end side of the second strap protrudes toward the front surface 1c side through the through hole 5a provided in the bottom portion 5 of the recess 3 and constitutes the second finger hooking portion 2b.

  Even with such a configuration, the same effect as that of the above-described embodiment can be obtained. That is, the user can operate the resin panel 10 from the back surface 1a side by putting his / her finger on the first finger hook 2a, and when operating the resin panel 10 from the front surface 1c side, It is possible to operate by putting a finger on the second finger hook 2b.

3. Third Embodiment A resin panel 30 according to the third embodiment will be described with reference to FIGS. 6A and 6B.

  As shown in FIGS. 5A and 5B, in the resin panel 30, the first fixing portion 4a and the second fixing portion 4b of the first strap S1 are arranged on the back surface 1a of the body portion 1. One end side of the second strap S2 is fixed to the back surface 1a by the rivet 7, and the ring portion R provided on the other end side passes through the through hole 5a provided in the main body portion 1 to form a ring shape on the front surface 1c side. It is protruding.

  Even with such a configuration, the same effect as that of the above-described embodiment can be obtained. That is, the user can operate the resin panel 10 from the back surface 1a side by putting his / her finger on the first finger hook 2a, and when operating the resin panel 10 from the front surface 1c side, It is possible to operate by putting a finger on the second finger hook 2b.

4. Other Embodiments The application of the present invention is not limited to the above embodiments. For example, in the first embodiment, the second recess 3b adjacent to the first recess 3a is formed, but the present invention is not limited to this example. That is, the second recess 3b may not be formed. Also in this case, by disposing the first fixing portion 4a and the second fixing portion 4b of the first strap S1 on the back surface 1a of the main body portion 1, the first finger hook portion 2a can be provided.

  Further, in the above-described embodiment, the through hole 5a penetrating the back surface 1a side and the front surface 1c side is formed in the main body portion 1, and the ring portion R of the second strap S2 passes through the through hole 5a to the front surface 1c side. Although protruding, it is not limited to this example. For example, one end of the second strap S2 is fixed to the back surface 1a, and the second strap S2 is arranged along the outer surface of the resin panel 10 so that the ring portion R provided at the other end projects to the front surface 1c side. You may.

  Further, in the above embodiment, the molding process is performed using two resin sheets, but the present invention is not limited to this example. For example, the main body 1 may be molded by blow molding using a cylindrical parison.

1: body part 1a: back surface 1b: mounting surface 1c: front surface 2: finger hook strap 2a: first finger hook part 2b: second finger hook part 3: concave part 3a: first concave part 3b: second concave part 4a: first fixing part 4b: 2nd fixing | fixed part 5: Bottom part 5a: Through hole 7: Rivet 9: Insertion apparatus 10: Resin panel 13: Core material 18: Crusher 20: Resin panel 26b: Large burr 30: Resin panel 60: Molding Machine 61: Raw material resin 61a: Molten resin 62: Hopper 63: Extruder 63a: Cylinder 67: Accumulator 67a: Cylinder 67b: Piston 68: T die 71: Mold 71a: Projection 71b: Inner surface 71c: Pinch off part 72: Gold Mold 72b: Inner surface 72c: Pinch-off portion 73a: First resin sheet 73b: Second resin sheet 75, 77: Connection pipe S: Finger hanging strap S1 : First strap S2: Second strap

Claims (7)

A resin panel provided in a luggage compartment of a vehicle,
A plate-shaped main body and first and second straps,
The first strap is fixed to the back surface side of the main body by first and second fixing portions that are separated from each other, and a first finger hook is provided between the first and second fixing portions.
One end side of the second strap is fixed to the back surface side of the main body portion, a ring portion provided on the other end side projects to the front surface side of the main body portion, and the ring portion constitutes a second finger hook portion. Made panel. The resin panel according to claim 1,
The said ring part is a resin-made panel which protrudes to the said surface side through the through-hole provided in the said main-body part. The resin panel according to claim 2,
The main body portion includes a recess on the back surface,
The through hole is a resin panel provided in the recess. The resin panel according to claim 3,
The said 1st and 2nd fixing | fixed part is a resin panel arrange | positioned so that the said recessed part may be pinched. The resin panel according to claim 3 or 4, wherein
The recess is a first recess,
The main body portion includes a second recess,
The said 1st and 2nd fixing | fixed part is a resin-made panel arrange | positioned so that the said 2nd recessed part may be inserted. The resin panel according to claim 5,
The said 2nd recessed part is a resin-made panel arrange | positioned in the position adjacent to the said 1st recessed part. The resin panel according to any one of claims 1 to 6,
The said 1st and 2nd strap is a resin-made panel comprised by the separate site | part of one strap.