JP3301073B2 - Corner connection member of box furniture - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting member used for assembling corners of box furniture such as a cabinet in a hanging cabinet, a kitchen cabinet, a bookcase, and a clog box.

[0002]

2. Description of the Related Art As shown in FIG. 2, the bottom of box furniture is mainly composed of a side plate A, a base plate B and a back plate C. A back rail is often provided on the back surface of the back plate C for reinforcement in the vertical direction or reinforcement in the horizontal direction.

In particular, in the case of a hanging cabinet, fixing the back plate to the wall alone cannot withstand the weight of the cabinet and the contents stored in the cabinet, so that the cabinet is fixed to the wall via the back bar which is a reinforcing material. Is common. The back rail is fixed to the back plate using nails or wood screws, or a combination of these fixing means and an adhesive.

[0004] base plate connecting structure B and back plate C is, as the cross-sectional view of FIG. 3, connecting the back plate C and the ground plane B and obliquely nailing toward the base plate B from Yokoura桟D _1. The connection between the side plate A and the back plate C has the same connection structure as in FIG. That is, in FIG. 3, if D ₁ is regarded as a vertical back rail and B is regarded as a side plate A, it is the same as the connection structure of the back plate C and the base plate B. In FIG. 3, there is a method in which a nail or a wood screw is obliquely driven or screwed into the inside of the box furniture to tighten the back plate C and the main plate B. However, it is difficult to work from the inside.

[0005] The connection structure described above relates to the connection structure at the bottom of box furniture, but the connection structure at the top is the same. That is, in FIG. 2 or FIG. 3, the top and bottom of the drawing may be reversed, and the base plate B may be replaced with a top plate.

[0006]

As described above, in the conventional method, usually, oblique nailing is carried out directly from the back surface, or a hole is made obliquely with a drill, and an oblique nailing or wood screw is made from the hole. Is screwed to connect the back plate C to the side plate A and the base plate B.

[0007] However, considerable skill is required to perform an operation of nailing an oblique nail at an accurate position from the back side or making a hole obliquely with a drill. When the above operation is performed from the inside, it is more difficult to use tools such as a hammer or a drill, so that it is even more difficult, and even a skilled person requires considerable labor.

Recently, furniture such as hanging cabinets, clog boxes, and bookcases attached to houses have been unitized to reduce transportation costs and save inventory space, and many of them are assembled on site. A lot of these unit furnitures are sold at DIY shops for amateurs.

[0009] In these unit furniture, the assembling method according to the conventional method is difficult and difficult to assemble for an amateur. In particular, at the corner where the main plate B and the side plate A intersect,
Since the connecting portion between the back plate C and the base plate B and the connecting portion between the back plate C and the side plate A are close to each other, further work is difficult.

[0010]

SUMMARY OF THE INVENTION The present invention aims to solve the above problems by the following method.
FIG. 1 shows a connection structure of a corner and a connection member thereof according to the present invention, and FIG. 4 is a detailed perspective view of the connection member. The connecting member is composed of two triangular prisms L and M having round holes P and Q.
Are connected to each other at right angles to each other.
That is, ignoring the round holes P and Q, the upper surface a of the triangular prism L is a right-angled triangle, and the upper surface d of the triangular prism M is a right-angled triangle perpendicular to the upper surface a. Side b which is the side of the triangular prism L
The slope c, which is the side surface of the triangular prism M, is trapezoidal.

The projection on the back plate C is L-shaped, and the projection on the side plate A and the base plate B is square or rectangular.

Round holes P and Q are formed substantially at the center of the side surface b and the inclined surface c, respectively. Round holes P and Q
Penetrates to the opposite side, and the center line of the round hole P is the side plate A
And the center line of the round hole Q passes through the seam between the back plate C and the base plate B.

[0013] The three members of the side plate A, the base plate B, and the back plate C can be connected by abutting the connecting member on the corner of the box furniture, inserting a wood screw into the round hole, and screwing it with an electric screwdriver. . This is shown in a sectional view as shown in FIG.

In FIG. 1, B is the main plate, D ₁ is the horizontal rail,
C is a back plate. Round hole Q drilled on slope c of connecting member
A wood screw inserted from behind penetrates the back plate C and is screwed into the base plate B. The connection between the side plate A and the back plate C can be similarly described with reference to FIG. That is, in FIG. 1, if B is regarded as a side plate A and D ₁ as a vertical back rail, and a round hole Q is regarded as a round hole P, it can be understood that the back plate C and the side plate A are connected by wood screws. .

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The material of the connecting member according to the present invention is as follows.
Although any of plastic, wood, metal, etc. may be used, plastic can be procured at the lowest cost. A nail may be used instead of a wood screw, but it is desirable to use a wood screw as much as possible because the nail is easily loosened.

When the round hole Q is made perpendicular to the slope c,
A wood screw will be screwed in parallel to the side plate A. In order to maximize the binding force of the wood screw, it is desirable to screw the wood screw in parallel to the side plate A, but tools such as a screwdriver are difficult to handle.

Accordingly, the round hole Q is formed in the side plate A from the surface of the slope c toward the joint between the base plate B and the back plate C, that is, the back corner.
Is preferably formed so as to have an intersection angle of 5 to 20 degrees. When formed as described above, tools such as a screwdriver for screwing a wood screw and a hammer for driving a nail become easy to handle. When a crossing angle of 20 degrees or more is applied, the binding force of the wood screw decreases. Further, when the angle is 5 degrees or less, there is almost no difference from the case of parallel, so that the effect of facilitating the work can hardly be expected.

For the same reason, the round hole P also has a crossing angle of 5 to 20 degrees with respect to the base plate B from the surface of the side surface b toward the seam between the back plate C and the side plate A, that is, the corner of the back surface. Preferably, it is formed.

When the slope c forms an angle of approximately 45 degrees with respect to the base plate B and the back plate C, and the side surface b forms an angle of 45 degrees with respect to the side plate A and the back plate C, a wood screw is formed. It becomes easier to handle tools such as a screwdriver and a hammer to screw the screw.

In FIG. 4, when the upper surface a is a right isosceles triangle, the side surface b forms an angle of 45 degrees with the side plate A and the back plate C. Similarly, if the upper surface d is also a right-angled isosceles triangle, the slope c forms an angle of 45 degrees with the base plate B and the back plate C. This form is the most convenient form to handle tools such as a screwdriver and a hammer from inside the box.

FIG. 4 is a view in which the connecting member of the present invention is in contact with the inside left corner of the box furniture. If this connecting member is applied to the right corner, it is as shown in FIG. Therefore, it is not necessary to prepare dedicated connecting members for each of the right and left sides.

Further, as described above, the description relating to FIGS. 1 to 4 relates to the connection structure at the lower corner of the box furniture and the connection member thereof, but the connection structure at the upper corner is also described. Similarly, the connecting member according to the invention can of course also be used in the upper corner of box furniture.

[0023]

Since the connecting member of the present invention has guide holes for wood screws or nails formed on the slope c and the side surface b, the connecting member abuts on the inner corner of the box furniture, and the slope b By screwing a wood screw or a nail into the round hole on the side c and driving the nail, the three members of the back plate C, the base plate B (or the top plate) and the side plate A can be easily and accurately connected. Work is easy. If the upper surfaces a and d of the triangular prism are right-angled isosceles triangles, the inclined surface c and the side surface b having the round holes are respectively the base plate B (or the top plate).
And since it forms an angle of 45 degrees with the back plate C or the side plate A and the back plate C, it becomes easy to screw wood screws or drive nails from inside the box furniture.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a connection structure between a base plate B and a back plate C according to the present invention.

FIG. 2 is an explanatory perspective view of the bottom of the box furniture.

FIG. 3 is a cross-sectional view showing a connection structure between a base plate B and a back plate C by a conventional method.

FIG. 4 is a perspective view of a connecting member of the present invention.

FIG. 5 is an explanatory view when a connecting member according to the present invention is in contact with a right corner.

[Explanation of symbols]

A Side plate B Base plate C Back plate D ₁ Horizontal back bar D ₂ Vertical back bar P Round hole Q Round hole a Top surface of triangular prism b Side surface of connecting member c Slope of connecting member d Top surface of triangular prism

Claims (3)

(57) [Claims] 1. A groove is engraved in the length direction of the side plate (A) and the base plate (B), and the corners of the box furniture in which the back plate (C) is fitted into the groove are connected. A connecting member, comprising: 1. It has a shape in which short triangular prisms (L) and (M) each having a right-angled cross-section are joined to a right-angled fastening die; 2. The surface of the trapezoidal side surface (b) formed on the side surface of the triangular prism (L) of the coupling portion is provided with a hole (P) penetrating toward the right-angled portion on the back surface; Further, a hole (Q) penetrating toward a right-angled portion on the back surface is provided on the surface of the trapezoidal slope (c) formed on the side surface of the triangular prism (M) of the connection portion. Element. 2. The side surface (b) forms an angle of 45 degrees with the side plate (A), and the inclined surface (c) forms an angle of 4 degrees with the main plate (B).
The connecting member according to claim 1, wherein the connecting member forms an angle of 5 degrees. 3. A round hole (P) is formed at an intersection angle of 5 ° to 20 ° with respect to the main plate (B) from the front surface to the right-angled corner of the back surface, and the round hole (Q) is formed on the front surface. 3. An angle of intersection of 5 degrees to 20 degrees with respect to the side plate (A) from the right side to the rear surface right angle portion.
3. The connecting member according to 1.