JPH07113407A - Connecting device for panel member - Google Patents

Abstract

PURPOSE:To mutally connect, two panel members used in the field of transport of a pallet wall (a gate) for a vehicle such as a truck or civil construction with good assemblage so as to maintain high connection strength. CONSTITUTION:The lower wall 10 of an upper panel member and the upper wall 20 of a lower panel member 2 which are connected to each other are opposed to each other, a first engaging projection part 11 formed nearly in L-shaped cross section and a third engaging projection part 21 formed nearly in turned-down L-shaped cross section are engaged with each other, a second engaging projection part 12 formed nearly in L-shaped cross section and a fourth engaging projection part 22 formed nearly turned-down L-shaped cross section are engaged with each other, a wedge member 5 is forcibly inserted in a space 4 formed between the third engaging projection part 21 of the lower panel member upper wall 20 and the projection 13 of the upper panel member lower wall 10, and both upper and lower panel members 1, 2 are connected to each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel member used in the fields of transportation and civil engineering such as a cargo bed wall (orientation) of a vehicle such as a truck, a sewage lid, and an indoor pool floor lid. It relates to the device.

[0002]

2. Description of the Related Art Conventionally, as a panel member connecting device of this type, for example, concave-convex fitting portions are provided at the connecting side edges of two panel members which are to be connected to each other on a cargo bed wall (orientation) of a truck. At the same time, the connecting pin engaging groove is provided in the inner wall of the connecting side edge portion of both members so as to be opposed to each other. The mating parts are fitted to each other, and then the tight connecting pins are respectively inserted into the left and right through holes formed by facing the connecting pin fitting concave grooves on the inner walls of the connecting side edges of both members. Was there.

[0003]

According to such a conventional panel member connecting device, it is possible to connect panel members to each other with very good workability without requiring long bolts and nuts. Although the number of assembling steps can be reduced, there is a problem that the strength of the connecting portion of the panel member is not sufficiently satisfactory.

An object of the present invention is to solve the above-mentioned problems of the prior art and to significantly increase the strength of the connecting portion of the panel members without changing the assemblability at the time of connecting the panel members. There is an attempt to provide a connecting device for panel members.

[0005]

In order to achieve the above object, one of the inventions is to provide an upper panel of two upper and lower hollow extruded profile panel members to be connected to each other. A first engaging protrusion having a substantially L-shaped cross section with a horizontal portion facing rightward is provided on the left edge of the lower wall of the member so as to project downward, and the horizontal portion is also provided on the right edge of the lower wall. A second engaging convex portion having a substantially L-shaped cross section facing rightward is provided in a downward projecting shape, and a ridge is projecting downward at a predetermined distance from the first engaging convex portion of the lower wall. And a third engaging convex portion having a substantially L-shaped cross section with the horizontal portion facing leftward is provided in an upwardly projecting manner on a portion near the left edge of the upper wall of the lower panel member. A fourth engaging convex portion having a substantially L-shaped cross section with the horizontal portion facing leftward is provided on the upper portion so as to project upward, And an upper wall of the position the panel member is made to face each other, the first engaging portion of the former and the third engaging portion of the latter is aligned relates to each other, the former 2
The engaging protrusion and the latter fourth engaging protrusion are engaged with each other, and a void is formed between the third engaging protrusion on the lower panel member upper wall and the protrusion on the upper panel member lower wall. The gist of the invention is a panel member connecting device in which a wedge member is forcibly inserted into this space to join the upper and lower panel members together.

In addition, another invention of the present invention is that, in place of the downwardly projecting protrusion of the lower wall of the upper panel member of the first invention, a predetermined interval is provided to the right of the first engaging projection of the lower wall. A substantially U-shaped bulging portion having a shallow cross section is provided so as to project downward,
In addition, an engaging protrusion protruding rightward is provided at the lower edge of the right side wall of the bulge.

Then, the lower wall of the upper panel member and the upper wall of the lower panel member are opposed to each other, and
The engaging protrusion and the third engaging protrusion of the latter are engaged with each other, and the engaging protrusion protruding to the right of the former and the fourth engaging protrusion of the latter are engaged with each other, and A void is formed between the third engaging protrusion of the upper wall of the panel member and the left side wall of the bulge of the lower wall of the upper panel member, and the wedge member is forcibly inserted into this void. The gist is a panel member connecting device in which upper and lower panel members are joined together.

[0008]

According to one of the panel member connecting devices described above, the lower wall of the upper panel member and the upper wall of the lower panel member, which are to be connected to each other, are made to face each other, and a first L-shaped section is provided. The engaging projection and the third engaging projection having a substantially inverted L-shaped cross section,
Further, the second engaging convex portion having a substantially L-shaped cross section and the fourth engaging convex portion having a substantially L-shaped cross section are engaged with each other, and the third engaging convex portion of the upper wall of the lower panel member and the upper panel member. Since the wedge member is forcibly inserted into the space formed between the ridge of the lower wall and the upper and lower panel members are joined together, the upper and lower panel members can be easily and easily handled. It can be surely combined and connected, and the assembling property is very good. Moreover, the first engagement protrusion on the upper panel member side, the third engagement protrusion on the lower panel member side, the second engagement protrusion on the upper panel member side, and the fourth engagement protrusion on the lower panel member side.
The engaging protrusions are firmly engaged with each other, and the engagement of these protrusions is held by the wedge member that is forcibly inserted into the void. Therefore, the tensile strength and bending strength of the connecting portion of the panel member, etc. Can significantly increase the strength of.

Further, since the panel member is usually made of extruded aluminum or the like, it is easy to fit the engaging convex portions of the connecting side edges of both panels, so that the connecting work is troublesome. However, the number of assembly steps can be significantly reduced.

According to another panel member connecting device of the present invention, the first engaging convex portion on the upper panel member side, the third engaging convex portion on the lower panel member side, and the upper panel member side. The point where the second engagement protrusion and the fourth engagement protrusion on the lower panel member side are engaged is the same as in the above case,
Instead of the downward projecting ridges of the lower wall of the upper panel member, a substantially U-shaped bulging portion having a shallow cross section is provided at a predetermined interval on the right side of the first engaging protrusion of the lower wall of the upper panel member. An engaging protrusion that is provided in a protruding shape and that protrudes to the right is provided at the lower edge of the right side wall of the bulge.

Therefore, after the engagement between the engaging convex portions,
A void is formed between the third engaging protrusion of the upper wall of the lower panel member and the left side wall of the bulge of the lower wall of the upper panel member, and the wedge member is forcibly inserted into this void. By this, the engagement of the convex portions is similarly held by the wedge member forcedly inserted into the void portion, so that the tensile strength and bending strength of the connecting portion of the panel member can be greatly increased. Is.

The panel member is not limited to the aluminum extruded shape member, but may be made of another metal or a material such as a hard synthetic resin.

[0013]

Embodiments of the present invention will now be described with reference to the drawings.

In this specification, the left and right and the upper and lower sides are based on FIG. 1, the left means the left side in FIG. 1, the right means the same right side, the upper means the upper side in the figure, and the lower means the lower side. I shall.

1 to 5 showing the first embodiment of the present invention, the upper panel member among the upper and lower two aluminum hollow extruded profile panel members (1) and (2) to be connected to each other.
(1) On the left edge of the lower wall (10), a first engaging protrusion (11) having a substantially L-shaped cross section with the horizontal portion (11a) facing to the right is provided in a downward protruding shape. Horizontal part (12a) at the right edge of the lower wall (10)
The second engaging convex part (1
2) is provided so as to project downward, and a ridge (13) is provided so as to project downward at a predetermined interval on the right side of the first engaging projection (11) of the lower wall (10).

On the other hand, a third engaging projection (21) having a substantially L-shaped cross section with the horizontal portion (21a) facing leftward is provided at a portion near the left edge of the upper wall (20) of the lower panel member (2). Is provided in an upward protruding shape, and a fourth engaging convex portion (22) having a substantially inverted L-shaped cross section with the horizontal portion (22a) also facing leftward is provided in an upward protruding shape on the right side edge portion of the upper wall (20). It is provided in.

In order to connect the upper and lower panel members (1) and (2) to each other, first, as shown in FIG. 2, the lower panel member (2) is slightly displaced to the right side with respect to the upper panel member (1). Thus, the upper wall (20) of the lower panel member (2) is made to face the lower wall (10) of the upper panel member (1). Next, as shown in FIG. 3, the upper panel member (1) side is slightly shifted to the right. As a result, as shown in FIG. 1 and FIG. 4, the first engaging projection 11 having a substantially L-shaped cross section on the upper panel member (1) side and the substantially cross-section L on the lower panel member (2) side have a substantially inverted L shape. The third engaging convex portion (21) having a V-shape is engaged with each other, and the second engaging convex portion (12) having a substantially L-shaped cross section and the substantially inverted L-shaped cross section of the latter are formed.
The character-shaped fourth engaging protrusions (22) are engaged with each other.

Finally, as shown in FIGS. 4 and 5,
A void portion formed between a third engaging protrusion (21) having a substantially inverted L-shaped cross section of the lower panel member upper wall (20) and a protrusion (13) of the upper panel member lower wall (10) ( In 4), the wedge member (5) in the shape of a square rod having the tapered tip portion (5a) is forcibly inserted from both front and rear end portions of both upper and lower panel members (1) and (2), and both upper and lower The panel members (1) and (2) are connected to each other.

According to the above embodiment, both upper and lower panel members
(1) and (2) can be combined easily and reliably with excellent workability and can be connected, and the assemblability is extremely good. Moreover, the first engaging protrusion (11) on the upper panel member (1) side
And a third engaging projection (21) on the lower panel member (2) side, and a second engaging projection (12) on the upper panel member (1) side and a fourth engaging projection on the lower panel member (2) side. The protrusions (22) are firmly engaged with each other, and the engagement of these protrusions is held by the wedge member (5) forcedly inserted into the void (4), so that the panel member (1 ) (2) The strength such as tensile strength and bending strength of the connecting portion can be significantly increased.

Further, the upper and lower panel members (1) and (2) are made of aluminum extruded shape, and the fitting work between the engaging convex portions of the connecting side edges of both panels (1) and (2) is easy. Since it can be performed at a time, the connecting work does not require time and the assembly man-hour can be significantly reduced.

FIG. 6 shows a second embodiment of the present invention. Here, the difference from the case of the first embodiment is that
Instead of the downwardly projecting ridges (13) of the lower wall (10) of the upper panel member (1) of the first embodiment, the first engaging projections (11) of the lower wall (10) are the same.
A substantially U-shaped bulge with a shallow cross section at a certain distance to the right
(16) is provided so as to project downward, and an engaging protrusion (17) protruding rightward is provided at the lower edge of the right side wall (16b) of the bulging portion (16). is there.

Then, the lower wall (10) of the upper panel member (1) and the upper wall (20) of the lower panel member (2) are made to face each other to form the former first engaging convex portion (11). The third engaging projection (2
1) is engaged with each other, the former engaging protrusion (17) protruding to the right and the latter fourth engaging protrusion (22) are engaged with each other, and the lower panel member upper wall ( 20) third engaging projection (21) and upper panel member lower wall (10) bulge (16)
A space (4) is formed between the left side wall (16a) and the left side wall (16a).

A wedge member (5) in the shape of a rectangular rod similar to that in the case of the first embodiment is forcibly inserted into the space (4) so that the upper and lower panel members (1) and (2) are mutually connected. It is the one that is combined.

FIG. 7 shows a third embodiment of the present invention. Here, the difference from the case of the first embodiment is that
The lower panel member does not have a ridge (13) on the right side of the first engaging projection (11) of the lower wall (10) of the upper panel member (1).
(2) Third engaging protrusion (21) on the upper wall (20) and the upper panel member
(1) The strip-shaped wedge member (15) is forcibly inserted directly into the void (14) formed between the lower wall (10) and the second engaging projection (12). The upper and lower panel members (1) and (2) are joined together.

The other points of the second embodiment and the third embodiment are the same as those of the first embodiment, and the same components are denoted by the same reference numerals in the drawings.

Although not shown in the drawings, the wide panel produced by connecting the two panel members (1) and (2) to each other as described above is a lid of a vehicle such as a truck and a lid for sewage. Alternatively, it is used for constructing a floor-combined lid for an indoor pool, and frame members having an appropriate shape such as a substantially U-shaped cross section are attached to both ends thereof.

[0027]

As described above, one of the panel member connecting devices of the present invention is, on the left side of the lower wall of the upper panel member of the upper and lower hollow extruded panel members to be connected to each other. A first engaging convex portion having a substantially L-shaped cross section with a horizontal portion facing rightward is provided on the edge portion in a downwardly projecting shape, and a horizontal portion is also directed rightward toward the right edge portion of the lower wall. A second engaging protrusion having a substantially L-shape is provided so as to project downward, and a ridge is provided so as to project downward at a predetermined interval on the right side of the first engaging protrusion of the lower wall. A third part having a substantially inverted L-shaped cross section with the horizontal part facing leftward at the left edge of the upper wall of the member
The engaging protrusion is provided in an upwardly protruding shape, and the fourth engaging protrusion having a substantially L-shaped cross section with the horizontal portion facing leftward is provided in an upwardly protruding shape at the right edge of the upper wall. The lower wall of the panel member and the upper wall of the lower panel member are made to face each other,
The former first engaging protrusion and the latter third engaging protrusion are engaged with each other, and the former second engaging protrusion and the latter fourth engaging protrusion are engaged with each other, and A void is formed between the third engaging protrusion of the upper wall of the lower panel member and the ridge of the lower wall of the upper panel member, and the wedge member is forcibly inserted into this void, so that both upper and lower panels are formed. Since the members are joined together, the upper and lower panel members can be combined with each other in a simple and reliable manner with extremely good workability, and the assemblability is extremely good.

Moreover, the first engaging protrusion on the upper panel member side, the third engaging protrusion on the lower panel member side, the second engaging protrusion on the upper panel member side, and the fourth engaging protrusion on the lower panel member side. Since the protrusions are firmly engaged with each other and the engagement of these protrusions is held by the wedge member that is forcibly inserted into the void, the strength such as the tensile strength and bending strength of the connecting portion of the panel member. Can be significantly increased.

Further, the panel member is usually made of extruded aluminum or the like, and it is easy to fit the engaging convex portions of the connecting side edges of both panels, so that the connecting work is troublesome. However, the number of assembly steps can be significantly reduced.

Further, according to another invention of the present invention, a predetermined interval is provided on the right side of the first engaging convex portion of the lower wall instead of the projecting ridge of the lower wall of the upper panel member of the first invention. In addition, a substantially U-shaped bulging portion having a shallow cross-section is provided so as to project downward, and an engaging protrusion protruding rightward is provided at a lower edge portion of a right side wall portion of the bulging portion. The first engagement protrusion on the member side and the third engagement protrusion on the lower panel member side, and the second engagement protrusion on the upper panel member side and the fourth engagement protrusion on the lower panel member side are engaged with each other. The points are the same as above,
Instead of the downward projecting ridges of the lower wall of the upper panel member, a substantially U-shaped bulging portion having a shallow cross section is provided at a predetermined interval on the right side of the first engaging protrusion of the lower wall of the upper panel member. An engaging protrusion that is provided in a protruding shape and that protrudes to the right is provided at the lower edge of the right side wall of the bulge. Therefore, after the engagement of the engaging protrusions, a space is formed between the third engaging protrusion of the upper wall of the lower panel member and the left side wall of the bulge of the lower wall of the upper panel member, A wedge member is forcibly inserted into this gap, whereby the engagement of the convex portion is similarly held by the wedge member forced into the gap, so that the connecting portion of the panel member is pulled. Strength such as strength and flexural strength may be increased.

After all, in any of the above-mentioned inventions, the assembling property of the panel member is still good, and the two panel members can be connected by combining them easily and surely with extremely good workability. Moreover, the strength of the connecting portion of the panel member can be significantly increased.

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view of an essential part after connecting two panel members in a first embodiment.

FIG. 2 is a main-portion cross-sectional view showing two panel members before the connection.

FIG. 3 is a cross-sectional view of an essential part in the middle of fitting both panel members.

FIG. 4 is a cross-sectional view of an essential part after connecting both panel members.

5 is an enlarged cross-sectional view of a main part taken along the line AA of FIG.

FIG. 6 is an enlarged sectional view of an essential part after connecting two panel members in the second embodiment.

FIG. 7 is an enlarged sectional view of an essential part after connecting two panel members in the third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Upper panel member 2 Lower panel member 4 Void part 5 Wedge member 10 Lower wall 11 First engaging projection 11a having a substantially L-shaped cross section 11a Horizontal part 12 Second engaging projection 12a having a substantially L-shaped cross section 12a Horizontal part 13 Projection 16 Shallow cross-section, substantially U-shaped bulge 16a Left side wall 16b Right side wall 17 Right protruding protrusion 20 Convex protrusion 20 Upper wall 21 Third cross-section substantially inverted L-shaped third protrusion 21a Horizontal Part 22 Fourth cross-section L-shaped fourth engaging protrusion 22a Horizontal part

Claims (2)

[Claims] 1. An upper panel member (1) of two panel members (1) and (2) made of hollow extruded profiles to be connected to each other.
On the left edge of the lower wall (10), a first engaging protrusion (11) having a substantially L-shaped cross section with the horizontal portion (11a) facing rightward is provided in a downward projecting shape. ), A second engaging projection (12) having a substantially L-shaped cross section with the horizontal portion (12a) facing rightward is provided on the right edge portion of the above) in a downwardly projecting shape, and further on the lower wall (10). First engaging protrusion
A ridge (13) is provided on the right side of the (11) at a predetermined interval so as to project downward, and a horizontal part (21a) is provided on the left side of the upper wall (20) of the lower panel member (2) toward the left edge. A third engaging projection (21) having a substantially inverted L-shaped cross section facing toward the upper wall (2) is provided on the upper wall (2).
On the right side edge of (0), a fourth engaging convex portion (22) having a substantially inverted L-shaped cross section with the horizontal portion (22a) facing leftward is provided in a protruding manner so as to project upward, and the upper panel member (1) Lower wall (10) and lower panel members
(2) The upper wall (20) of the former is made to face each other, the first engaging convex portion (11) of the former and the third engaging convex portion (21) of the latter are engaged with each other, and the former The second engaging protrusion (12) and the latter fourth engaging protrusion (22) are engaged with each other, and the third engaging protrusion (21) of the lower panel member upper wall (20) and the upper panel. A void (4) is formed between the lower wall (10) of the member and the ridge (13), and the wedge member (5) is forcibly inserted into this void (4), and both upper and lower panels are The members (1) and (2) are joined,
Panel member connection device. 2. The horizontal panel is provided on the left side edge of the lower wall (10) of the upper upper panel member (1) of the upper and lower hollow extruded panel members (1) (2) to be connected to each other. A first engaging protrusion (11) having a substantially L-shaped cross section with the portion (11a) facing to the right is provided in a downwardly protruding shape, and is formed from the first engaging protrusion (11) of the lower wall (10). A substantially U-shaped bulging portion (16) having a shallow cross section is provided on the right side so as to project downward, and the bulging portion (16) projects rightward at the lower edge portion of the right side wall portion (16b) of the bulging portion (16). Is provided on the lower wall of the lower panel member (2), and the horizontal portion (2) is provided near the left edge of the upper wall (20) of the lower lower panel member (2).
1a) is directed to the left, and the third engaging protrusion (2
1) is provided so as to project upward, and a fourth engaging projection (22) having a substantially L-shaped cross section with the horizontal portion (22a) facing leftward is also provided at the right edge of the upper wall (20). The lower wall (10) of the upper panel member (1) and the upper wall (20) of the lower panel member (2) are provided in a protruding shape so as to face each other, and the former first engaging protrusion (11) And the third engaging projection (21) of the latter are engaged with each other, and the engaging projection (17) protruding rightward of the former and the fourth engagement projection of the latter
The engaging protrusions (22) are engaged with each other, and the third engaging protrusions (21) of the lower panel member upper wall (20) and the bulging portion (16) of the upper panel member lower wall (10) are Gap between left side wall (16a)
(4) is formed, the wedge member (5) is forcibly inserted into the void (4), and the upper and lower panel members (1) and (2) are joined together. .