JP3282031B2 - Connection structure of wooden vertical frame and wooden horizontal frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a wooden vertical frame and a wooden horizontal frame forming a wooden fitting such as a wooden interior door.

[0002]

2. Description of the Related Art In general, a wooden vertical frame and a wooden horizontal frame of a wooden indoor door are connected by a wood screw.

[0003]

With the structure in which the wood screws are connected as described above, the wood screws are screwed in a predetermined length when connecting, and the wood screws are loosened in the predetermined length when disassembled. Connection and disassembly work is troublesome. Also,
If the wood screw is loosened and disassembled after being connected once, and then connected again with the wood screw, the wood screw is screwed into the once screwed portion again, so that the screw strength of the wood screw is reduced and the connection strength is weakened.

Accordingly, an object of the present invention is to provide a connecting structure of a vertical wooden frame and a horizontal wooden frame which can solve the above-mentioned problems.

[0005]

According to a first aspect of the present invention, a connecting surface 2 is provided.
A wooden vertical frame 1 having a concave portion 4 on the back surface 3 opposite to the upper surface and having a screw insertion hole 5 opened on the connecting surface 2 on the bottom surface 4a of the concave portion 4; A connecting screw 13 having a contact portion is sized to fit in the wooden horizontal frame 10 screwed to the connecting surface 11 and the recess 4, and penetrates one side surface 21 and the other side surface 22 in the thickness direction, And a wedge connecting tool 20 having a continuous long hole 28, a large diameter hole 29, and a wedge portion formed along the long hole 28. The connecting screw 13 is inserted into the screw insertion hole 5 to The connecting surface 2 and the connecting surface 11 of the horizontal wooden frame 10 are abutted with each other, and the wedge connecting tool 20 is press-fitted between the wedge contact portion of the connecting screw 13 and the bottom surface 4a of the concave portion 4, and the wedge action of the wooden vertical frame 1 is performed. The connecting surface 2 and the connecting surface 11 of the wooden horizontal frame 10 are connected and connected,
This is a connection structure between a wooden vertical frame and a wooden horizontal frame, wherein a gap A is formed between a surface of the wedge connecting tool 20 on the side opposite to the press-fitting direction and the inner surface 4b of the concave portion 4.

According to a second aspect of the present invention, in the first aspect, one side 21 and the other side 22 of the wedge connecting member 20 are substantially parallel to each other, and the wedge 30 on the one side 21 and the wedge on the other side 22 are provided. 31 is a connection structure of a wooden vertical frame and a wooden horizontal frame which are symmetrical in the thickness direction and have a shape 31.

[0007] A third invention is a connection structure of a wooden vertical frame and a wooden horizontal frame in which the wedge connecting tool 20 and the connecting screw 13 do not protrude from the back surface 3 of the wooden vertical frame 1 in the first or second invention. is there.

[0008]

According to the first aspect, the wooden vertical frame 1 and the wooden horizontal frame 10 are connected by the wedge action of the wedge connecting tool 20, so that the connecting screws 13 are inserted into the screw insertion holes 5 to connect the wedges. The wooden vertical frame 1 and the wooden horizontal frame 10 can be firmly connected by a simple operation of press-fitting the tool 20. By inserting a tool into the gap A between the surface of the wedge coupling device 20 opposite to the press-in direction and the inner surface 4b of the recess 4 and prying the wedge coupling device 20, the wedge coupling device 20 is moved in the direction opposite to the press-fit direction, and Since the wooden frame 20 can be removed, the wooden vertical frame 1 and the wooden horizontal frame 10 can be disassembled with a simple operation, and can be firmly connected even when they are connected again.

According to the second aspect of the present invention, the wedge connecting member 20 can be connected even if it is inverted in the thickness direction, and it is not necessary to worry about the thickness direction of the wedge connecting member 20 at the time of connection. Easy.

According to the third aspect, since the connecting screw 13 and the wedge connecting tool 20 do not protrude from the rear surface 3 of the wooden vertical frame 1, the connecting screw 13 and the wedge connecting tool 20 hinder the mounting of the wooden vertical frame 1. do not become.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a concave portion 4 into which a wedge connecting tool is fitted is formed on a back surface 3 of a wooden vertical frame 1 opposite to a connecting surface 2 thereof. A screw insertion hole 5 is formed in the bottom surface 4 a of the concave portion 4, and the screw insertion hole 5 opens to the connection surface 2. A screwing portion, for example, a hole 12 is formed in the connecting surface 11 of the wooden horizontal frame 10. The screw portion 13a of the connection screw 13 is screwed into the hole 12. This connection screw 1
Reference numeral 3 is inserted into a cylindrical guide pin 14. The guide pin 14 is substantially the same as the screw insertion hole 5 and has a larger diameter than the head 15 of the connecting screw 13, and has a chamfer 16 at its tip and an intermediate portion in the longitudinal direction having a small diameter. The wedge coupling tool 20 enters into 17.

The wedge connecting device 20 has one side surface 21 and the other side surface 22 which are parallel to each other in the thickness direction and upper and lower surfaces 23 and 24 which are parallel to each other in the longitudinal direction and which are parallel to each other in width. A rectangular plate having a predetermined length, width and length surrounded by one end face 25 and the other end face 26 facing each other in the direction, and a notch 27 is formed in the one end face 25 and the other end face 26; A long hole 28 in the longitudinal direction opened to one side 21 and the other side 22 near the end face 23, and one side 2 near the lower end face 24
A large-diameter hole 29 having an opening larger than that of the guide pin 14 is formed continuously with the elongated hole 28. Both side portions along the long hole 28 are inclined surfaces, as shown in FIG.
As shown in the figure, a wedge portion 30 on one side surface 21 side and a wedge portion 31 on the other side surface 22 side are formed in a substantially V-shaped cross section.
This wedge connecting tool 20 is made of resin. That is, the wedge connecting tool 20 has a symmetric shape in the thickness direction.

The dimension between the upper end surface 23 and the lower end surface 24 of the wedge connector 20 (the length of the wedge connector 20) is smaller than the length of the recess 4 of the wooden vertical frame 1. The dimensions of one side surface 21 and the other side surface 22 of the wedge connecting device 20 (thickness of the wedge connecting device 20) are smaller than the depth of the concave portion 4 of the wooden vertical frame 1. One end face 25 and the other end face 2 of the wedge connector 20
6 (the width of the wedge connecting device 20)
Is substantially the same as the width of the recess 4.

Next, a procedure for connecting the wooden vertical frame 1 and the wooden horizontal frame 10 will be described. Screw part 13a of connecting screw 13 at factory etc.
Is screwed into the hole 12 of the wooden horizontal frame 10, and the guide pin 14 is pressed against the connecting surface 11 of the wooden horizontal frame 10, and the connecting screw 13 and the guide pin 14 are attached to the wooden horizontal frame 10 in advance. The wooden horizontal frame 10, the wooden vertical frame 1 and the like described above are transported to the assembling place, and the guide pins 14 are inserted into the screw insertion holes 5 of the wooden vertical frame 1 together with the connecting screws 13 at the assembly site, as shown in FIG. Connecting surface 2 of vertical frame 1 and connecting surface 1 of wooden horizontal frame 10
Match one.

As a result, the small diameter portion 17 of the guide pin 14
Protrudes into the recess 4 of the wooden vertical frame 1, and the head 15 of the connecting screw 13 does not protrude beyond the back surface 3 of the wooden vertical frame 1. The proximal end of the small diameter portion 17 of the guide pin 14 does not protrude from the screw insertion hole 5.

Since the guide pin 14 has substantially the same diameter as the screw insertion hole 5 and its tip is chamfered in an arc shape, the connecting screw 13 can be smoothly inserted into the screw insertion hole 5 using the guide pin 14 as a guide. Can be inserted.

The wedge connector 20 is fitted into the recess 4 so that the large-diameter hole 29 is fitted to the guide pin 14, and the wedge connector 20 is pushed down so that the lower part of the elongated hole 28 is
And temporarily hold it. In this state, the upper end surface 23 of the wedge connecting tool 20 is hit with a hammer or the like, and the wedge portion 30 on one side surface 21 is reduced to the small diameter portion 1
7 and the step 18 (that is, the wedge contact portion of the connection screw 13) at the tip end, and the other side surface 22 is connected to the bottom surface 4 of the recess 4.
4, and is pressed down until the upper end surface 23 and the upper end surface 1a of the wooden vertical frame 1 are flush with each other as shown in FIG.

As a result, the wooden horizontal frame 10 is drawn toward the wooden vertical frame 1 by the wedge action of the wedge connecting tool 20, and the connecting surfaces 2 and 11 contact each other, so that the wooden vertical frame 1 and the wooden horizontal frame 10 are firmly connected. You. In addition, connecting screw 13 and wedge connecting tool 2
Since the reference numerals 0 are located in the recesses 4 of the wooden vertical frame 1 and do not protrude from the rear surface 3, they do not hinder the installation of the indoor fittings.

As shown in FIGS. 4 and 5, there is a gap A between the inner surface 4b of the recess 4 and the lower end surface 24 of the wedge connecting member 20 (ie, the surface opposite to the press-fitting direction). This gap A
The wedge coupler 20 is pushed up by inserting a tool such as a flat-blade screwdriver into the pry (pushed in the opposite direction to the press-fitting direction), and the large-diameter hole 29 is aligned with the guide pin 14 to remove the wedge coupler 20. The wooden vertical frame 1 and the wooden horizontal frame 10 are disassembled.

Since the wedge connecting member 20 has a wedge portion 30 on one side surface 21 and a wedge portion 31 on the other side surface 22 side and is symmetrical in the thickness direction, the wedge connecting member 20 is moved in the thickness direction. Wooden vertical frame 1 and wooden horizontal frame 10
Can be connected.

When the wedge connecting member 20 is turned upside down to insert the large-diameter hole 29 into the guide pin 14, the upper end surface 23 interferes with the concave portion 4 and the large-diameter hole 29 is inserted into the guide pin 14.
So that it cannot be inserted into As a result, the wedge connecting tool 20 cannot be set upside down, so that erroneous operation can be prevented.

As shown in FIG. 6, a concave portion 32 may be formed in the lower end surface 24 of the wedge connecting member 20 to form a gap A between the concave portion 4 and the inner surface 4b. In addition, as shown in FIG. 7, a concave portion 33 may be formed on the inner surface 4 b of the concave portion 4 to form a gap A between the concave portion 4 and the lower end surface 24 of the wedge coupling tool 20.

In the above description, the connecting screw 13 and the guide pin 14 are used. However, the head 15 of the connecting screw 13 is used as a wedge contact portion without using the guide pin 14, and the wedge portions 30, 31 are attached to the head 15. May be touched. Also,
Connection screws 1 according to the width of the wooden vertical frame 1 and the wooden horizontal frame 10
3. A plurality of wedge coupling tools 20 may be provided in the width direction and firmly coupled.

[0024]

According to the first aspect of the present invention, since the wooden vertical frame 1 and the wooden horizontal frame 10 are connected by the wedge action of the wedge connecting tool 20, the connecting screw 13 is inserted into the screw insertion hole 5. The wooden vertical frame 1 and the wooden horizontal frame 10 can be firmly connected by a simple operation of press-fitting the wedge connecting tool 20. Wedge connector 2
The tool is inserted into the gap A between the surface on the side opposite to the press-fitting direction of 0 and the inner surface 4b of the recessed portion 4 and pryed to form the wedge coupling tool 20.
Can be moved in the direction opposite to the press-fitting direction to remove the wedge connecting tool 20, so that the wooden vertical frame 1 and the wooden horizontal frame 10 can be disassembled by a simple operation, and can be firmly connected even when they are connected again.

According to the second aspect of the present invention, it is possible to connect even if the wedge connecting tool 20 is inverted in the thickness direction, and it is not necessary to worry about the thickness direction of the wedge connecting tool 20 at the time of connection. Work is easy.

According to the third aspect of the invention, the connecting screw 1
3. Since the wedge connecting tool 20 does not protrude from the back surface 3 of the wooden vertical frame 1, the connecting screw 13 and the wedge connecting tool 20 do not hinder the mounting of the wooden vertical frame 1.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a wooden vertical frame and a wooden horizontal frame.

FIG. 2 is a cross-sectional view of a wedge coupler.

FIG. 3 is a cross-sectional view of a state in which a wooden vertical frame and a wooden horizontal frame are butted.

FIG. 4 is a sectional view of a connected state.

FIG. 5 is a side view of a connected state.

FIG. 6 is a side view of a connection state according to the second embodiment.

FIG. 7 is a side view of a connection state according to the third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Wooden vertical frame 2 ... Connection surface 3 ... Back surface 4 ... Depression 4a ... Bottom 4b ... Inner surface 5 ... Screw insertion hole 10 ... Wooden horizontal frame 11 ... Connection surface 13 ... Connection screw 14 ... Guide pin 15 ... Head 17 ... Small-diameter portion 18 Step (wedge contact portion) 20 Wedge connecting member 21 One side 22 Other side 23 Upper end surface 24 Lower end surface (surface opposite to the press-fitting direction) 28 Long hole 29 Large diameter hole 30 ... wedge part 31 ... wedge part A ... gap

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-9-144442 (JP, A) JP-A-4-327676 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E06B 3/96-3/984

Claims (3)

(57) [Claims] 1. A wooden vertical frame 1 having a concave portion 4 on a back surface 3 opposite to a connecting surface 2 and having a screw insertion hole 5 opened in the connecting surface 2 on a bottom surface 4a of the concave portion 4; A connecting screw 13 having a wedge contact portion, which is inserted into the insertion hole 5, is screwed into the connecting surface 11, a wooden horizontal frame 10, and one side 21 in a thickness direction having a size fitting into the recess 4. And a wedge connecting tool 20 penetrating the other side surface 22 and having a continuous long hole 28, a large diameter hole 29, and a wedge portion formed along the long hole 28. The connection screw 13 is inserted into the screw insertion hole 5. Wooden vertical frame 1
The connection surface 2 of the wooden horizontal frame 10 and the connection surface 11 of the horizontal wooden frame 10 are abutted with each other, and the wedge connecting tool 20 is press-fitted between the wedge contact portion of the connection screw 13 and the bottom surface 4a of the recessed portion 4 to perform the wedge action. And the connection surface 11 of the wooden horizontal frame 10 is in contact with and connected to each other, and a gap A is formed between the surface of the wedge connection tool 20 on the side opposite to the press-fitting direction and the inner surface 4b of the recess 4. The connecting structure of wooden vertical frame and wooden horizontal frame. 2. One side 21 and the other side 22 of the wedge connecting member 20 are substantially parallel to each other, and have a wedge portion 30 on the one side 21 and a wedge 31 on the other side 22 in the thickness direction. The connecting structure of a wooden vertical frame and a wooden horizontal frame according to claim 1, which has a symmetrical shape. 3. The wooden vertical frame-to-wooden horizontal frame connecting structure according to claim 1, wherein the wedge connecting tool 20 and the connecting screw 13 do not protrude from the back surface 3 of the wooden vertical frame 1.