JP2002004551A - Member and structure for joining plate material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a member and a structure for joining plate materials together, eliminating easy separation once joining is performed and having excellent joining workability. SOLUTION: A pair of projecting parts 22 formed in the main body part 21 of the joining member 20 is fitted into recessed parts 12 formed respectively in the joining end surfaces 11 of floor boards 10 to be joined, and a pair of locking projections 24 formed in the ends of the base parts 23 of the joining member 20 is fitted into locking grooves 13 formed respectively in the rear surfaces of the floor boards 10 to be joined for the purpose of joining the floor boards 10 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 joining member and a joining structure for joining plate members such as floorboards to each other.

[0002]

2. Description of the Related Art For example, when constructing a floor, it is common to lay a large number of floors while joining them together, as shown in FIGS. 9 (a) and 9 (b). A male nut 52 is formed on one joint end surface 51 and a female nut 53 is formed on the other joint end surface 51 of the floor plate 5 to be joined.
By fitting the male seeds 52 and female seeds 53 of 0 and 50 to each other, the adjacent floor plates 50 and 50 are joined to each other, and as shown in FIGS. In some cases, the floor boards 50, 50 are mutually joined using the joining member 60 as a member.

As shown in FIG. 1B, the joining member 60 has a main body 61 sandwiched between two floor plates 50 to be joined, and is integrally connected to the main body 61. And a pair of left and right convex portions 62, 62. The concave portions (grooves) 54, 54 formed in advance on the joint end surfaces 51, 51 of the floor boards 50, 50 and the convex portions 62 of the joint member 60,
62 and the floorboards 50, 5
The floor plates 50, 50 are joined to each other so that the joint end surfaces 51, 51 are brought into contact with the main body 61.

[0004]

However, in the joining member 60 as described above, the pair of left and right convex portions 62, 62 are simply fitted into the concave portions 54, 54 formed in the joining end surfaces 51, 51 of the floor plates 50, 50. Only the recesses 54, 5
If the projections 62 are loosely fitted in the floor 4, there is a problem that the floor boards 50, 50 once joined are easily separated from each other.

[0005] Therefore, in order to prevent the once-joined floor plates 50, 50 from being easily separated from each other, the floor plates 50, 50 are required.
The convex portions 6 of the joining member 60 are
It is necessary to make the fitting of the projections 62, 62 take a long time if the fitting state of the concave and convex portions is tight.
The workability of joining the floor boards 50 and 50 is deteriorated, and the fitting state of the concave and convex portions is likely to be insufficient.
There is a problem that a gap is generated between 0 and 50.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a joining member for a sheet material and a joining structure of the sheet materials which are not easily separated from each other once they are joined, and are excellent in joining workability.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a joining member for joining adjacent plate members to each other, wherein the joining members are formed on joint end surfaces of the plate members. A pair of convex portions fitted into the concave portion,
A joining member for a plate having a pair of engaging projections fitted into an engaging groove formed on the back surface side of the plate, and joining of the plate for mutually joining adjacent plates via the joining member A pair of protrusions formed on the joining member are fitted into recesses respectively formed on the joining end surfaces of the adjacent plate members, and a pair of locking projections formed on the joining member are formed. Another object of the present invention is to provide a joining structure of plate materials in which the plate materials are joined to each other by being fitted into locking grooves respectively formed on the back surfaces of the adjacent plate materials.

When the plate members are joined by using the joining member configured as described above, the convex portions formed on the joining members are fitted into the concave portions formed on the joining end surfaces of the plate members, so that the position in the thickness direction of the plate members is attained. At the same time as the displacement is prevented, the locking protrusion formed on the joining member is fitted into the locking groove formed on the back surface of the plate material, so that the separation of the plate materials is prevented. Therefore, unlike the case where the plate members are joined by using the conventional joining member, it is possible to reliably prevent the plate members once joined from being separated from each other without making the fitting state of the concave portion and the convex portion special. And the joining workability does not deteriorate.

[0009] In particular, in a state where the base material is provided on the base material and the adjacent plate materials are joined to each other,
The joining structure according to claim 2, wherein the base portion is configured to protrude toward a back surface side of the plate material, and a joining structure of plate materials that mutually joins adjacent plate materials via the joining member. The joining member has a base portion placed on a base material, and in a state where the adjacent plate materials are joined to each other by the joining member, the base portion of the joining member is the plate material. According to the joining structure of the plate material according to claim 4, wherein the base portion of the joining member projecting to the back surface side of the joined plate material,
Since a predetermined space is formed between the plate material and the base material, there is an advantage that electric wiring, computer wiring, and the like can be passed through this space.

[0010]

Embodiments will be described below with reference to the drawings. FIG. 1 shows two adjacent floorboards 10.
1 shows a joint structure (state) 1 of floorboards joined to each other via a joining member 20.

As shown in FIG. 2, the floorboard 10 is formed by stacking a veneer on the surface of a base material such as a three-ply plywood or a five-ply plywood, and has a V-shaped joint groove V at a joint portion.
(See FIG. 1)
By chamfering the upper end corner, the inclined surface 11
a and a plurality of pseudo grooves (not shown) having the same shape as the joint groove V described above are formed on the surface of the floor plate 10.

The floor plate 10 has a concave portion 12 formed on a joint end surface 11 thereof, and a locking groove 13 extending along the joint end surface 11 on the rear surface thereof.
In a state where the joining end faces 11 of the floor plates 10 are attached to each other, as shown in FIG. 1, a joining member 20 described later is completely sandwiched.

The joining member 20 is formed of a synthetic resin or a light metal having a stress capable of coping with the warpage or deformation of the floor plate 10, and is sandwiched between the floor plates 10 to be joined as shown in FIG. The main body 21 includes a thin base portion 23 which is provided at a lower end of the main body 21 and extends in the joining direction of the floor panel 10.

At the upper end of the main body 21, a pair of projections 22, 22 are formed to fit into recesses 12 formed in the joint end face 11 of the floor panel 10 to be joined. At the tip of 23, the floor plate 1 to be joined
A pair of locking projections 24, 24 that fit into the locking groove 13 formed on the back surface of the “0”.

In order to lay on the floor base material while joining two adjacent floor boards 10 by using the joining member 20 configured as described above, first, as shown in FIG. The joining member 20 is attached by fitting the one convex portion 22 and the locking projection 24 into the concave portion 12 and the locking groove 13 of one floor plate 10. In this state, the back surface of the base 23 and the back surface of the floorboard 10 are flush.

In this manner, the joining member 2 is
0 is attached to the floor base material B using an adhesive as shown in FIG. 4B, and the floor plate 10 of the contact floor plate 10 is attached as shown in FIG. Joint end face 1
A floor nail N is hit on the base portion 23 of the joining member 20 projecting from 1 to fix the joining member 20 to the floor base material B.

Thus, the floor plate 10 and the joining member 20
4A is fixed to the floor base material B, as shown in FIG. 4A, the projection 22 of the joining member 20 and the engaging member 22 are tilted so that the joining end of the other floor plate 10 faces downward. When the stop projection 24 and the concave portion 12 and the locking groove 13 of the other floor plate 10 are fitted to each other, the two floor plates 10 are joined to each other by the joining member 20 as shown in FIG. It is laid on the floor base material B in a state where it is placed. The other floor plate 10
When laying the floor plate 10, an adhesive is applied to the back surface of the floor plate 10, and a joining member 20 for joining the next floor plate 10 is attached in advance to a joint end face on the opposite side of the floor plate 10.

After that, by repeating the above-mentioned operation, as shown in FIG. 5, a floor in which a large number of floor boards 10 sequentially joined via the joining members 20 are laid on the floor base material B is completed.

As described above, the two floor boards 10 are connected to the joining member 2.
0, the projections 22, 22 formed on the joining member 20 are fitted into the recesses 12, 12, which are formed on the joining end face 11 of the floor panel 10, so that the floor panel 1
0 is prevented from being displaced in the thickness direction, and the locking protrusions 24 formed on the joining member 20 are fitted into the locking grooves 13 formed on the back surface of the floor plate 10, so that the floor plates 10 are separated from each other. Will be reliably prevented.

As described above, in the joint structure 1 of the floor plate, the locking projection 24 formed on the joint member 20 is connected to the floor plate 10.
By preventing the floor plates 10 and 10 in the bonded state from being separated from each other by being fitted in the locking grooves 13 formed in the floor plate, only the convex portions of the bonding member are formed in the concave portions formed in the bonding end surfaces of the floor plates. In order to prevent the separated floor plates 10 and 10 from being separated from each other as in the conventional bonding structure in which the floor plates are bonded to each other by fitting them, the concave portions 12 and the convex portions 2 are formed.
It is not necessary to fit tightly with each other, and the concave portion 12 and the locking groove 13 formed on the floor plate 10 can easily be fitted with the convex portion 22 and the locking projection 24 formed on the joining member 20. Therefore, good laying workability (joining workability) can be ensured.

In the joint structure 1 of the floor boards, the engaging projections 24 formed on the joining member 20 are fitted into the engaging grooves 13 formed on the floor board 10 to thereby join the floor boards 10 and 10 to be joined. When the floor plate 10 is joined using the joining member 20, even if the operator is different, the floor plate 10 is always kept in the same state.
Can be joined together, and floor boards 1 joined to each other
There is no gap between 0 and 10.

In the joint structure 1 of the floor plate, the locking projection 24 formed on the bonding member 20 is fitted into the locking groove 13 formed on the floor plate 10, and the entire bonding member 20 is Since it is formed of a synthetic resin or a light metal having a stress capable of coping with the warp or deformation of the floor plate 10, the expansion and contraction of the floor plate 10 after joining can be suppressed to some extent, and the floor plate 10 is pushed up at the joint portion. And the occurrence of gaps can be effectively prevented.

In the case of this joint structure of floorboards, FIG.
As shown in (a), the projection 22 and the locking projection 24 of the joining member 20 attached to the floor plate 10 already laid.
As shown in FIG. 6 (a), the concave portions 12 and the locking grooves 13 of the floor plate 10 to be joined are joined by being fitted obliquely from above.
If the lower corner of the projection 22 is chamfered, or if the inner corner of the locking projection 24 is chamfered as shown in FIG.
The concave portion 12 and the locking groove 13 are opposed to the convex portion 22 and the locking protrusion 24.
Has an advantage that the joining workability of the floor plate 10 is improved.

In the above-described embodiment, the back surface of the floor plate 10 and the back surface of the base 23 of the bonding member 20 are flush with each other when the bonding member 20 is attached to the floor plate 10. For example, as shown in FIG.
By increasing the thickness of the base portion 23 in
In a state where the plate materials 10 and 10 are joined, the base 23 is
0 and 10, the floor base material B is joined while joining the floorboard 10 using the joining member 20.
When the floorboard 10 is laid on the floor, as shown in FIG.
Since the predetermined space S is formed between the floorboard 10 and the floor base material B, there is an effect that electric wiring, computer wiring, and the like can be passed through the space S.

In the above-described embodiment, the joining member 20 having substantially the same length as the joining end face 11 of the floor panel 10 is used.
1, the floor plates 10 and 10 are joined over their entire length, but the present invention is not limited to this. For example, a plurality of short joining members of about 40 to 50 mm may be joined to the joining end surface of the floor plate 10. By attaching the floorboards 10 and 10 at regular intervals, the floorboards 10 and 10 can be partially joined at a plurality of locations.

Further, in the above-described embodiment, the joining structure of the floorboards has been described. However, the present invention is not limited to the floorboards, and can be applied to the case of joining various board materials such as wallboards. Needless to say.

In the above-described embodiment, the joining member 2
When two adjacent floorboards 10 are sequentially laid on the flooring base material while being joined by using a 0, the floorboards 10 and the joining members 20 are fixed to the flooring base material with an adhesive or floor nail. The floor plate 10 and the joining member 20 do not necessarily need to be fixed to the floor base material, but may be simply placed on the floor base material.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a joint structure of a floor plate using a joint member according to the present invention.

FIG. 2 is a perspective view showing a floor plate and a joining member according to the first embodiment.

FIGS. 3A to 3C are process diagrams showing a method of joining floorboards.

FIGS. 4A and 4B are process diagrams showing a method of joining floorboards.

FIG. 5 is a cross-sectional view showing a state in which a floor plate is laid while being joined using the above joining member.

FIGS. 6A and 6B are cross-sectional views showing a modification of the bonding member according to the first embodiment.

FIG. 7 is a cross-sectional view showing a modification of the bonding member according to the first embodiment.

FIG. 8 is a cross-sectional view showing a state in which a floor plate is laid while being joined using the above joining member.

FIGS. 9A and 9B are cross-sectional views showing a general joint structure of floorboards.

FIGS. 10A and 10B are cross-sectional views showing a general joint structure of floorboards using a joining member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joint structure of floorboard 10 Floorboard 11 Joining end face 12 Depression 13 Locking groove 20 Joining member 21 Main part 22 Convex part 23 Base part 24 Locking projection B Floor base material S Space

Claims (4)

[Claims] 1. A joining member of a plate member for joining adjacent plate members to each other, comprising: a pair of convex portions fitted into concave portions respectively formed on a joint end surface of the plate member; A joining member of a plate material having a pair of locking projections fitted into the formed locking groove. 2. A base having a base placed on a base material, wherein, in a state where adjacent plate members are joined to each other, the base protrudes toward the back side of the plate material. The plate joining member according to claim 1, wherein 3. A joining structure of plate materials in which adjacent plate materials are joined to each other via a joining member, wherein a pair of convex portions formed in the joining member are respectively attached to joining end surfaces of the adjacent plate materials. Along with fitting into the formed recess, a pair of locking projections formed on the joining member,
A joining structure of plate materials, wherein the plate materials are joined to each other by fitting into engaging grooves formed on the back surface of the adjacent plate materials. 4. The joining member has a base placed on a base material, and when the adjacent plate members are joined to each other by the joining member, the base of the joining member is provided. The plate member joining structure according to claim 3, wherein the projecting portion protrudes toward a rear surface side of the plate member.