JP4330144B2 - Lorry carton door - Google Patents

Description

  The present invention relates to a cargo box door of a lorry, and in particular, a cargo box provided with means for draining water that has entered from between a door panel and a frame attached to the outer periphery of the panel to the outside. Regarding doors.

  In general, a cargo vehicle has a cargo box installed on a carrier, and loads are loaded into the cargo box to prevent direct sunlight, wind and rain, and load collapse due to vibration during driving.

  An opening for carrying in and out the load is provided on the rear surface of the packing box, and this opening is opened and closed by a door that is pivotally attached via a hinge. Two doors may be attached in a double-spreading manner, or the opening may be opened and closed using one or three or more doors.

  Conventionally, as shown in FIG. 4, the door 50 includes a panel 21 and a frame 51 attached to the outer peripheral edge of the panel (not shown, but the shapes of the panel 21 and the frame 51 are rectangular. ). The frame 51 is composed of two vertical members and two horizontal members, each of which has an inner circumferential groove 52 having a U-shaped cross section with a width of the thickness of the panel 21, and the inner circumference of these members. Each of the grooves 52 has a length substantially matching the vertical and horizontal lengths of the panel 21. Then, the vertical and horizontal edges of the panel are fitted into the inner circumferential groove 52, and the ends of the vertical member and the horizontal member are joined by a joining method such as riveting, whereby the frame 51 is attached to the outer peripheral edge of the panel 21. Is attached to.

As shown in FIG. 4, a belt-like sealing material 40 is attached to the outer peripheral surface 53 of the frame 51 to prevent rain or the like from entering the inside of the packing box 10 when the door 50 is closed. . Further, a decorative member 54 having an L-shaped covering portion is attached to each corner of the frame 51 in order to conceal the joint portion between the vertical member and the horizontal member and improve the appearance of the packing box (Patent Document). 1 and Japanese Patent Application No. 2003-350067).
Japanese Utility Model Publication No. 7-35398

  However, when exposed to rain, there arises a problem that water enters the inside of the packing box through the space between the door panel and the frame and soils the cargo in the packing box.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a cargo box door that can drain water that has entered between a panel and a frame attached to the outer peripheral edge of the panel to the outside.

  The door of the cargo box of the present invention that achieves the above object is composed of a rectangular panel and a rectangular frame attached to the outer peripheral edge of the panel.

The frame includes a pair of vertical members that face each other and a pair of horizontal members that join the respective end portions of the vertical members so as to face each other. An inner peripheral groove having a U-shaped cross section having a width of the thickness of the panel is formed along the inner periphery of the rectangular opening formed by the vertically and lateral members joined to each other, and the outer peripheral edge of the panel is fitted into the inner peripheral groove. . Thereby, a frame is attached to the outer periphery of a panel. Preferably, a sealing material is attached to the outer peripheral surface of the frame.

  And the door of this invention is further comprised from the decorative member which has an L-shaped coating | coated part which coat | covers the junction part of the edge part of a vertical member, and the edge part of a horizontal member.

In the present invention, the panel has a long groove extending on the lower surface along the length direction of the lower surface of the panel, and the groove and the inner peripheral surface of the horizontal member positioned below the horizontal member. A first drainage channel is formed.

The inner peripheral groove of U-shaped cross section which the outer peripheral edge of the panel is fitted, and each of the inner circumferential surface of the vertical member and the horizontal member, of which along the entire circumference, from one another from the respective outer and inner inner peripheral surface thereof The inner peripheral outer wall and the inner peripheral inner wall projecting in parallel are formed. The inner circumferential outer wall of the lateral member located below the lateral member has a long cavity extending along the longitudinal direction of the lateral member inside the inner outer wall, and the second cavity is formed by the cavity. A drainage channel is formed

  Among the decorative members, a cavity is formed between the inner surface of the covering portion of the decorative member that covers at least one end of the horizontal member positioned below the horizontal member and the outer surface of the horizontal member. A third drainage channel is formed by this cavity. And the drain outlet connected to the exterior from this 3rd drainage channel is formed in the lower end of this coating | coated part.

  The inner peripheral outer wall of the horizontal member located below the horizontal member has at least one first through-hole communicating from the second drainage channel to the first drainage channel, and from the second drainage channel to the third And a second through hole communicating with the drainage channel. Here, the third drainage channel is formed on the inner surface side of the covering portion of the decorative member, and the second through hole leading to the third drainage channel is formed on the inner peripheral outer wall of the lateral member. The decorative member hides not only the portion where the vertical member and the horizontal member are joined, but also the third drainage channel and the second through hole.

  The water that has entered the inner peripheral groove of the frame through between the vertical and horizontal members and the outer surface of the panel flows into the second drainage channel through the first drainage channel and the first through hole, and further into the second drainage channel. Flows into the third drainage channel through the second through-hole and flows out from the drainage port.

The panel further has long grooves extending along the lengths of the side surfaces, which are connected to the grooves on the lower surface of the panel, on both side surfaces of the panel. You may form a 1st drainage channel with each internal peripheral surface of a horizontal member.

Further, the inner peripheral outer walls of both longitudinal members, within each, connecting the interior of the cavity of the inner peripheral outer wall of the cross member located below, a long cavity extending along the length thereof a longitudinal part Further, a second drainage channel is formed by these cavities, and the inner and outer walls of both vertical members each have at least one through hole communicating from the second drainage channel to the first drainage channel. May

  Since this invention is comprised as mentioned above, there exists an effect that the water which penetrate | invaded between the panel and the frame attached to the outer periphery of this panel can be drained outside. In addition, the decorative member used for hiding the joint portion between the vertical member and the horizontal member is formed with a through hole (second through hole described above) and a drainage channel (the third waste water described above) formed for drainage. Since it can be configured to conceal the road), the drainage can be performed without impairing the appearance of the packing box.

  As shown in FIG. 1A and FIG. 1B, a cargo truck has a cargo box 10 installed on a cargo bed, and an opening 11 for loading and unloading cargo is provided on the rear surface of the cargo box 10, and this opening 11 is provided via a hinge. It is opened and closed by a door 20 that is pivotably attached. In the illustrated example, two doors 20 are attached in a double-spread type, but the opening 11 may be opened and closed with a single door.

  The door 20 of the present invention includes a rectangular panel 21 and a rectangular frame 23 attached to the outer peripheral edge of the panel 21.

The frame 23 includes a pair of vertical members 23c and 23d facing each other, and a pair of horizontal members 23a and 23b joined to the respective end portions of the vertical members 23c and 23d so as to face each other. Is done. The vertical and horizontal members 23a, 23b, 23c, and 23d can be joined by known methods such as welding, bolting, and riveting. Longitudinal and transverse member 23a are joined respectively, 23b, 23c, the inner circumferential groove of U-shaped cross section of the thickness of the width of the panel 21 along the inner periphery of the rectangular opening formed by 23d is formed, these members 23a, The inner circumferential grooves 23b, 23c, and 23d have lengths that substantially match the vertical and horizontal lengths of the panel 21, respectively. The outer peripheral edge of the panel 21 is fitted into the inner peripheral grooves of these members 23 a, 23 b, 23 c, and 23 d, whereby the frame 23 is attached to the outer peripheral edge of the panel 21. Practically, the vertical and horizontal edges of the panel 21 are fitted into the inner circumferential grooves of the vertical members 23c and 23d and the horizontal members 23a and 23b, respectively, and the respective end portions of the vertical members 23c and 23d and the horizontal members 23a and 23b are fitted. Are joined by welding or the like (location indicated by reference numeral 24 in FIG. 2), whereby the frame 23 is attached to the outer peripheral edge of the panel 21.

  Preferably, as shown in FIG. 3, a sealing material 40 is attached to the outer peripheral surface 27 of the frame 23. This sealing material 40 is for preventing intrusion of rain, dust, etc. from the gap between the opening 11 of the packing box 10 and the door 20. As this sealing material 40, for example, Japanese Patent Application No. 2003-350067 The sealing material disclosed in this specification can be used. In the illustrated example, when the door 20 is closed when the door 20 is closed, the outer peripheral surface 28 of the frame 23 is attached with a sealing member 40 having a U-shaped cross section having flexible strip-like pieces 41 and 42 on the outside and inside. The piece parts 41 and 42 elastically contact the periphery of the opening 11 of the packing box 10 to double seal the inside and the outside of the packing box 10. And in the example of illustration, in order to prevent the outer side part 41 from bending outward and to securely seal the inside and outside of the packing box 10, each member 23a, 23b, 23c, 23d of the frame 23 is sealed. The outer peripheral surface 28 is provided with an outer peripheral outer wall 43 protruding from the outside.

  The door 10 of the present invention is an L-shaped covering portion that covers a joint portion (that is, a corner of the frame) as indicated by reference numeral 24 between the end portions of the vertical members 23c and 23d and the end portions of the horizontal members 23a and 23b. The decorative member 30 further includes 31. The decorative member 30 has a covering portion 31 that conceals a joint portion 24 and a second through hole 35 described later, forms a third drainage channel described later on the inner surface side of the decorative member 30, and further a packing box It is attached to the corner of the frame 20 so as not to impair the appearance of 10. Suitably, the decorative member 30 is attached to the outer surface of the panel 21, as shown in FIG. The attachment of the decorative member 30 may be performed by a rivet 36 (riveting), or may be performed by other known attachment methods such as bolting.

The panel 21 has a long groove 22 extending along the length direction of the lower surface of the panel 21 at least on the lower surface thereof. The horizontal member 23a is positioned below the groove 22 and the horizontal members 23a and 23b. A first drainage channel is formed by the inner circumferential surface 28 of the first drainage channel. The end portion of the groove 22 only needs to reach at least a portion hidden by the covering portion 31 of the decorative member 30. Preferably, the groove 22 is formed over the entire length of the lower surface of the panel 21.

  Moreover, although this groove | channel 22 is formed in the lower surface of the panel 21, such a groove | channel is also formed in both the side surfaces of the panel 21, and the groove | channel (code | symbol of FIG. 2) formed in both the side surfaces of the panel 21. 22a) is connected to the groove 22 formed on the lower surface of the panel 21, and the inner peripheral surface 28 of both the vertical members 23c, 23d and the lateral member 23a positioned below, and both side surfaces of the panel 21. The first drainage channel is preferably formed by the formed groove (one groove is indicated by a broken line 22a) and the groove 22 formed on the lower surface. This is because water that has entered from between the panel 21 and the vertical members 23c and 23d can flow through the grooves formed on both side surfaces to the grooves 22 formed on the lower surface of the panel 21.

Inner peripheral groove of the frame 23, longitudinal members 23c, 23d and transverse members 23a, and each of the inner circumferential surface 28 of the 23b, the inner peripheral surface 28 along the entire, the inner peripheral surface of the outer and inner it then mutually The inner peripheral outer wall 25 and the inner peripheral inner wall 26 project in parallel. The inner peripheral outer wall 25 of the horizontal member 23a located below the horizontal members 23a and 23b has a long cavity 29 extending along the length direction of the horizontal member 23a inside the inner peripheral outer wall. The cavity 29 forms a second drainage channel. The end portion of the cavity 29 only needs to reach a portion hidden by the covering portion 31 of the decorative member 30. Preferably, this cavity 29 is formed over the entire length of the transverse member 23a.

  Further, the cavity 29 is formed in the inner peripheral outer wall 25 of the lateral member 23a located below, but such a cavity is also formed in the inner peripheral outer wall 25 of both the vertical members 23c and 23d. The cavities formed in the inner peripheral outer wall 25 of the vertical members 23c, 23d (one cavity is indicated by reference numeral 29a) are connected to the cavities 29 formed in the inner peripheral outer wall 25 of the lateral member 23a positioned below, and these cavities It is preferable to form a second drainage channel. As will be described later, by forming through holes (not shown) communicating with grooves formed on both side surfaces of the panel 21 on the inner peripheral outer wall 25 of the vertical members 23c and 23d, the panel 21 is provided. And the vertical members 23c and 23d are located below efficiently through the cavities formed in the inner and outer walls 25 of the vertical members 23c and 23d (one cavity is indicated by reference numeral 29a). This is because it can flow into the cavity 29 formed in the transverse member 23a.

  Among the decorative members 30, between the inner surface of the covering portion 31 of the decorative member 30 that covers the joint portion indicated by the reference numeral 24 of at least one end of the horizontal member 23a positioned below, and the outer surface of the horizontal member 23a A cavity 32 is formed in the cavity, and a third drainage channel is formed by the cavity 32. A drainage port 33 communicating from the third drainage channel to the outside is formed at the lower end of the covering portion 31.

  At least one through-hole 34 in which the inner peripheral outer wall 25 of the horizontal member 23a communicates with the first drainage channel (grooves indicated by symbols 22 and 22a) from the second drainage channel (cavities indicated by symbols 29 and 29a); A second through-hole 35 communicating from the second drainage channel to the third drainage channel (a cavity indicated by reference numeral 32).

  The water that has entered the inner peripheral groove of the frame 23 through the space between the vertical and horizontal members 23a, 23b, 23c, 23d and the outer surface of the panel 21 is the first drainage channel (groove indicated by reference numerals 22 and 22a) and the first It flows into the second drainage channel (a cavity indicated by reference numeral 29) through the through-hole 34, and further passes through the second drainage channel 35 from the second drainage channel to the third drainage channel (reference numeral on the inner surface side of the decorative member 30). 32) and flows out from the drain 33 at the lower end of the decorative member 30 to the outside.

  Thus, the first drainage channel, the first through-hole 34, the second drainage channel, and the second through-hole 35 do not impair the appearance of the horizontal member 23a (and the vertical members 23c and 23d), respectively. These members can be formed on the inner side (that is, the side that cannot be seen from the outside), and the third drainage channel can be formed on the inner surface side of the decorative member 30 (that is, hidden by the decorative member 30 and cannot be seen from the outside). Therefore, the water that has entered the inner circumferential groove of the frame 23 is drained to the outside without deteriorating the appearance of the packing box 10.

FIG. 1A is a rear perspective view of a truck, and FIG. 1B shows a rear surface of a cargo box. FIG. 2 is an enlarged view of the corner of the door of the present invention. FIG. 3 is a sectional view of the door of the present invention. FIG. 4 is a cross-sectional view of a conventional door.

Explanation of symbols

10 ... packing box 11 ... opening 12 ... hinge 20 ... door 21 ... panel 22, 22a ... groove 23 ... frame 23a, 23b ... horizontal members 23c, 23d ··· Vertical member 24 ··· Joint 25 · · · Inner and outer wall 26 · · · Inner and inner wall 27 · · · Outer surface 28 · · · Inner peripheral surface 29, 29a · · · Hollow 30 ... Cover 32 ... Cavity 33 ... Drain port 34 ... First through port 35 ... Second through port 36 ... Rivet 40 ... Sealing materials 41, 42 ... -Single part 43 ... outer peripheral outer wall 50 ... conventional door 51 ... frame 52 ... inner peripheral groove 53 ... outer peripheral surface 54 ... decorative member

Claims (4)

A cargo box door,
A rectangular frame comprising a rectangular panel, a pair of vertical members facing each other, and a pair of horizontal members joined to the respective end portions of the vertical members so as to face each other, An inner circumferential groove having a U-shaped cross section with a width of the thickness of the panel is formed along the inner circumference of the rectangular opening formed by the joined vertical and horizontal members, and the outer circumferential edge of the panel is formed in the inner circumferential groove. A frame, and a decorative member having an L-shaped covering portion that covers a joint portion between the vertical member and the horizontal member;
The panel has a long groove on the lower surface extending along the length direction of the lower surface, and the first drainage is formed by the groove and an inner peripheral surface of the horizontal member positioned below the horizontal member. A road is formed,
The inner peripheral groove of the U-shaped cross section which the outer peripheral edge of the panel is fitted is the respective the inner peripheral surface of the vertical member and the horizontal member, along the entire inner peripheral surface, the outer and inner inner peripheral surface thereof Formed from an inner peripheral outer wall and an inner peripheral inner wall projecting in parallel from each other ,
The inner peripheral outer wall of the horizontal member located below the horizontal member has a cavity extending along the length direction of the horizontal member inside the outer peripheral wall, and the second drainage by the cavity. A road is formed,
Among the decorative members, between the inner surface of the covering portion of the decorative member that covers the joining portion of at least one end of the horizontal member positioned below the horizontal member, and the outer surface of the horizontal member A cavity is formed, a third drainage channel is formed by this cavity, and a drainage port communicating with the outside from the third drainage channel is formed at the lower end of the covering portion,
The inner peripheral outer wall of the horizontal member located below the horizontal member has at least one first through-hole communicating with the first drainage channel from the second drainage channel, and the second drainage channel. And having a second through hole communicating with the third drainage channel,
But the door. The panel is, on both sides of the panel, connecting to the groove of the lower surface of the panel, has a long groove extending along the length thereof aspects, and these grooves, both the longitudinal member and the The door according to claim 1, wherein a first drainage channel is formed by each inner peripheral surface of the lateral member located below. The panel is, on both sides of the panel, connecting to the groove of the lower surface of the panel, has a long groove extending along the length thereof aspects, and these grooves, both the longitudinal member and the A first drainage channel is formed by the inner peripheral surface of each of the transverse members located below,
Each of the inner and outer walls of both of the longitudinal members extends along the length of the longitudinal members, which are connected to the cavities inside the inner and outer walls of the transverse member located below in the respective interiors. Having cavities, these cavities form a second drainage channel,
The inner and outer walls of both of the vertical members each have at least one through hole communicating from the second drainage channel to the first drainage channel.
However, the door of claim 1.   The door according to claim 1, wherein a sealing material is attached to an outer peripheral surface of the frame.

Images