JP2001303867A - Square frame and assembling method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a square frame with stiles and its assembling method capable of performing the assembling work easily, carrying out labor saving work and automation, improving the productivity and suppressing the production cost to a low level. SOLUTION: A pair of right and left stiles 11 and 12 and a pair of upper and lower rails 13 and 14 are prepared, these stiles 11 and 12 and these rails 13 and 14 are butted each other at the end faces and temporarily assembled by an adhesive or the like, thereafter, at each corner portion 10A (10B, 10C and 10D), fittings 25 such as screws, nails, dowels or the like are screwed, driven or fitted through insertion holes 21 and 22 formed from one outer surface among the stiles 11 (12) and rails 13 (14) toward the other side in such a manner that they straddle on both the stiles 11 (12) and rails 13 (14) through the butted end surface 15A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rectangular frame-shaped four-sided frame comprising a pair of left and right vertical frames and a pair of upper and lower horizontal frames, forming an outer frame of fittings such as doors, doors, shojis, and the like. About the method.

[0002]

2. Description of the Related Art Conventionally, a four-sided frame forming an outer frame of a door or the like has a pair of left and right vertical frames 11, as illustrated in FIG.
12 and a pair of upper and lower horizontal frames 13 and 14 are assembled in a rectangular frame shape. Specifically, the vertical frames 11 and 12 and the horizontal frame 1
Each of the end faces 3 and 14 has a tapered inclined surface (here, the inclination angle is 45 degrees), and the end surfaces thereof are joined to each other and joined to each other. At the corners (upper left corner 10A, upper right corner 10B, lower left corner 10C, and lower right corner 10D), butt joining surfaces 15A, 15B, 15C, 15D inclined at an angle (45 degrees) are formed. I have.

In this case, vertical frames 11, 12 and horizontal frames 13, 1
4 To prevent mutual displacement and to fix them securely,
Normally, each of the corners 10A, 10B, 10C, and 10D has a vertical frame 11, 11 as shown in FIG. 10A and FIG.
A fixing tool such as a dowel 65 with an adhesive or a tongue (real) 67 is fitted so as to straddle both the frame 12 and the horizontal frames 13 and 14. In this case, in order to fit the dowel 65 and the tongue 67, the joining surfaces 15A, 15B, 15C, and 15 are respectively attached to the vertical frames 11, 12 and the horizontal frames 13, 14.
A hole or groove opening in D (not visible from the outside) is formed in advance.

[0004]

However, in the conventional four-sided frame as described above, when assembling, that is, when the end faces of the vertical frames 11 and 12 and the horizontal frames 13 and 14 abut against each other, the dowels 65 It is necessary to fit the ridge 67 so as to straddle both of them.
Is difficult (it is necessary to adjust the posture of the four frames 11 to 14 skillfully), the assembling work is complicated, a large number of workers are required, and automation is difficult, and therefore, productivity is increased. However, the production cost was high, and it was disliked.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to make it possible to easily perform an assembling operation, thereby achieving labor saving and automation. Accordingly, it is an object of the present invention to provide a four-sided frame and a method for assembling the same, which can improve productivity and keep manufacturing costs low.

[0006]

In order to achieve the above object, a four-sided frame according to the present invention basically comprises a pair of left and right vertical frames and a pair of upper and lower horizontal frames. Both end surfaces of the frame are tapered inclined surfaces, and their end surfaces are abutted with each other, and at each corner, from the outer surface of one of the vertical frame and the horizontal frame to the other side. An insertion hole into which a fixing tool such as a screw, a nail, a dowel or the like is inserted is formed, and the fixing tool penetrates the mated end face through the insertion hole to form both the vertical frame and the horizontal frame. It is characterized by being screwed, driven or fitted so as to straddle it.

On the other hand, in the method for assembling a four-sided frame according to the present invention, a pair of left and right vertical stiles and a pair of upper and lower horizontal stiles each having a tapered inclined surface at both ends are prepared, and the vertical stile and the horizontal stile are prepared. The end faces of the frame are butt-joined and temporarily assembled by adhesive bonding, etc., and then, at each corner, fixing devices such as screws, nails, dowels, etc. are removed from the outer surface of one of the vertical and horizontal frames to the other. Through the insertion hole formed toward the side,
It is characterized in that it is screwed, driven or fitted so as to penetrate through the butted end face and straddle both the vertical frame and the horizontal frame. In a preferred aspect of the present invention, the opening side of the insertion hole is closed with a cap or the like.

[0008] In the four-sided frame and the method for assembling the same according to the present invention, the end faces of the vertical frame and the horizontal frame are abutted and temporarily assembled by adhesive bonding or the like. , Nails, dowels, etc. are screwed, driven or inserted from the outside so as to straddle both the vertical and horizontal stiles. Compared to a case where a fixing tool such as a dowel is fitted when the end faces of the frame are butted together, the fitting of the fixing tool can be performed easily and reliably, and the posture of the four frames is adjusted. You can save time and effort. Therefore, assembling work can be easily performed by one worker, and labor saving and automation can be achieved. As a result, productivity can be improved and manufacturing cost can be reduced.

Further, the opening side of an insertion hole, into which a fixing tool such as a screw, a nail, a dowel or the like is inserted from one outer surface of the vertical frame and the horizontal frame toward the other side, is covered with a cap or the like. Of course, closing does not impair the aesthetics (appearance),
Since the color, shape, and the like of the cap and the like can be arbitrarily selected, the cap and the like can serve as one pattern accent, and the design can be improved.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 each partially show the first embodiment of the four-sided frame according to the present invention (in the vicinity of the upper left corner 10A). Although only the vicinity of the upper left corner 10A is shown in the four-sided frame 1 of the illustrated embodiment, the entirety of the four-sided frame 10 shown in FIG.
Similarly to the case 0, a pair of left and right vertical frames 11, 12 and a pair of upper and lower horizontal frames 13, 14 are assembled in a rectangular frame shape. The vertical stiles 11 and 12 and the horizontal stiles 13 and 14 each have a tapered inclined surface (here, the inclination angle is 45 degrees), and these end surfaces are joined to each other. , Four right-angled corners (upper left corner 10A,
At the upper right corner 10B, the lower left corner 10C, and the lower right corner 10D), butt joining surfaces 15A, 15B, 15C, and 15D inclined at an angle (45 degrees) are formed.

Here, vertical frames 11, 12 and horizontal frames 13, 1
4 To prevent mutual displacement and to fix them securely,
The vicinity of each corner 10A, 10B, 10C, 10D has the following configuration. That is, the vicinity of the upper left corner 10A will be described with reference to FIGS.
Toward 1, two setscrews 25, 25 as fixing devices
Are formed perpendicular to the outer surface 13a.
The set screws 25, 25 are screwed through the end face (joining surface 15A) and straddled both the horizontal frame 13 and the vertical frame 11 through the insertion hole 21. The opening side of 22 is closed with caps 27, 27.

More specifically, the insertion holes 21 and 22 are
As can be understood by referring to FIG. 5, the outer frame 13 is a stepped hole having a circular cross section which is formed so as to penetrate from the outer surface 13a of the horizontal frame 13 to the inclined end surface (joining surface 15A). , The set screws 25, 25 (screw portion)
Screw insertion portions 21a, 22a through which the screw insertion portions 21
The large-diameter insertion portions 21b and 22b have a diameter larger than the diameters a and 22a, and the opening edges 21c and 22c have a diameter larger than the large-diameter insertion portions 21b and 22b.

The caps 27, 27 have a cylindrical portion 27a fitted into the upper end of the large-diameter insertion portions 21b, 22b of the insertion holes 21, 22, and the opening edges 21c, 22.
and a disk-shaped head 27b having substantially the same diameter and thickness as c. When assembling the four-sided frame 1 having the above-described configuration, first, a pair of left and right vertical frames 11 and 12 and a pair of upper and lower horizontal frames 1 each having tapered inclined surfaces at both end surfaces.
3 and 14 are prepared, and the vertical frames 11 and 12 and the horizontal frame 1 are prepared.
The end faces 3 and 14 are temporarily assembled by abutting (with a butt joint) and bonding (press molding).

Thereafter, each of the corners 10A, 10B,
Set screw 2 as a fixture in 10C and 10D
5 and 25 are inserted through the insertion holes 21 and 22 into the butted end surfaces (joining surfaces 15A, 15B, 15C, 1).
5D), the vertical frames 11, 12 and the horizontal frames 13,
14 so as to straddle both. In this case, the set screws 25 are screwed in until the heads 25a thereof come into contact with the bottoms of the large diameter insertion portions 21b.

Thereafter, caps 27, 27 are mounted and fixed to the opening sides of the insertion holes 21, 22 by press fitting or the like.
In this case, since the heads 27b, 27b of the caps 27, 27 and the opening edges 21c, 22c of the insertion holes 21, 22 have substantially the same diameter and the same thickness, the caps 27, 27
Is flush with the outer surface (upper surface) 13a of the horizontal frame 13 (see FIG. 3 in addition to FIG. 2). In addition, the said insertion holes 21 and 22 are before the said temporary assembly, ie, each frame 11-14.
It may be formed when the comrades are not butted, or may be formed after the temporary assembly (before the set screws 25, 25 are screwed).

In the four-sided frame 1 and the assembling method of the first embodiment configured as described above, the vertical frame 11,
12 and the end faces of the side frames 13, 14 are abutted against each other and temporarily assembled by adhesive bonding or the like, and then the respective corner portions 15A, 15
In B, 15C, and 15D, set screws 25, 25 as fixing devices are screwed in from the outside so as to straddle both the vertical frames 11, 12 and the horizontal frames 12, 13. As shown, vertical frames 11, 12 and horizontal frames 13, 14
When the end faces of each other are joined together, dowels or other fixtures 65, 6
7 (see FIG. 10),
The fitting and the like of the fixing tool can be easily and reliably performed, and the trouble of adjusting the postures and the like of the four frames 11 to 14 can be omitted. As a result, only one worker can easily perform the assembling work, and labor saving and automation can be achieved. As a result, productivity can be improved and manufacturing costs can be reduced.

Also, a set screw 25 as the fixing tool,
By opening the opening sides of the insertion holes 21 and 22 into which the 25 is inserted with the caps 27 and 27, the appearance (appearance) is improved.
Of course, the color, shape, etc. of the cap can be arbitrarily selected, so that the cap can be used as one pattern accent, and the design can be improved (see FIG. 3). ).

Next, another embodiment of the four-sided frame and its assembling method according to the present invention will be described. FIG. 4 and FIG.
6 and 7 show the vicinity of the upper left corner 10A of the four-sided frame 3 of the third embodiment, and FIGS. 8 and 9 show the four-sided frame 3 of the fourth embodiment. In the following, portions corresponding to the respective portions of the four-sided frame 1 of the first embodiment described above are denoted by the same reference numerals, and redundant description will be omitted.
The differences will be emphasized.

In the square frame 2 of the second embodiment shown in FIGS. 4 and 5, two wooden dowels 3 each having a regular hexagonal cross section are used as fixing tools.
5, 35 (with an adhesive) is used, and the wooden dowels 35, 35 are inserted into the vertical frame 11 from the outer surface (upper surface) 13a of the horizontal frame 13 to the inside of the vertical frame 11 through the joint surface 15A. The insertion holes 31, 32 are formed perpendicular to the outer surface 13a, and the dowels 35, 35 penetrate through the joining surface 15A through the insertion holes 31, 32, and The insertion holes 21 and 22 are closed by caps 27 and 27 (the same as those of the first embodiment).

More specifically, the insertion holes 31 and 32 are
As can be understood by referring to FIG.
The lower-diameter insertion portion of the first embodiment, in which the lower portion is fitted, is formed in the horizontal frame 13 so as to be continuous with the prepared holes 31a, 32a formed in the vertical frame 11, and the prepared holes 31a, 32a. The upper holes 31b, 32b and the opening edges 31c, 32c (the same as the opening edges 21c, 22c of the first embodiment) have the same diameter as the portions 21b, 22b. The pilot hole 31
a, 32a and the upper holes 31b, 32b
The diameters of the circumscribed circles 5 and 35 are substantially the same.

In assembling the four-sided frame 2 having the above configuration, the end faces of the vertical frames 11 and 12 and the horizontal frames 13 and 14 are abutted and temporarily assembled.
In 0B, 10C, and 10D, the wooden dowels 35, 35 as fixtures are inserted into the butted end faces (joining faces 15A, 15B, 15C,
15D) through the vertical frames 11, 12 and the horizontal frames 1
It fits so that it may straddle both 3 and 14. In this case, the wooden dowels 35, 35 are headed on the side where the tapered chamfered portion 35a is formed, and the head is inserted into the insertion hole 3.
It pushes in until it contacts the bottom of the pilot holes 31a and 32a. With the four-sided frame 2 having such a configuration and the method of assembling the same, substantially the same operation and effect as those of the first embodiment described above can be obtained.

In the four-way frame 3 of the third embodiment shown in FIGS. 6 and 7, the same set screws 45, 45 as those of the first embodiment are used as fixing tools, but these set screws 45, 45 are inserted. The insertion holes 41 and 42 are connected to the joint surface 15A (1
5B, 15C, 15D), from the outer surface (upper surface) 13a of the lateral frame 13 to the joining surface 15A, and the outer surface 13a is pierced at an angle (45 degrees) so as to be perpendicular to the outer frame 13b. The set screw 4 is inserted through the insertion holes 41 and 42.
5 and 45 penetrate through the joining surface 15A and
And the opening side of the insertion holes 41 and 42 has a cylindrical section 47a and a trapezoidal cross section, and the upper surface is inclined at 45 degrees with respect to the center line. It is closed by caps 47, 47 comprising an upper part 47b.

More specifically, the insertion holes 41 and 42 are
As can be understood by referring to FIG. 5, the outer frame 13 is a stepped hole having a circular cross section which is formed so as to penetrate from the outer surface 13a of the horizontal frame 13 to the inclined end surface (joining surface 15A). , The set screws 45, 45
Screw insertion portions 41a and 22a through which the screw insertion portions 21
a, the cylindrical portion 47 of the cap 47 having a diameter larger than that of 22a.
The large-diameter insertion portions 21b and 22b into which a is inserted and the square upper portions 47b of the caps 47 and 47 are inserted.
The opening edges 41c and 42c have the same dimensions and shape.

The reason why the caps 47 and 47 are formed as described above is that the insertion holes 41 and 42 are formed so as to be inclined with respect to the outer surface 13a of the horizontal frame 13, and thus the first and the second caps 47 are formed. When the cap 27 used in the second embodiment is used in the present embodiment, the cap 27 and the outer surface 13 are used.
a is not flush, and if it has a circular cross section, it will rotate, so even if its upper surface is inclined by 45 degrees as in the present embodiment, it will be flush with the outer surface 13a. This is because positioning is difficult. The assembling of the four-sided frame 3 having such a configuration is substantially the same as that of the first embodiment, and the obtained effects are also substantially the same.

In the four-side frame 4 of the fourth embodiment shown in FIGS. 8 and 9, two relatively long wooden dowels 55, 55 (with an adhesive) having a regular octagonal cross section are used as fixing tools. The wooden dowels 45, 45 are inserted from the outer surface (upper surface) 13 a of the horizontal frame 13 to the inside of the vertical frame 11 through the joint surface 15 </ b> A and are substantially the same in cross-sectional dimensions as the wooden dowels 55, 55. The length of the insertion holes 51, 52 having a regular octagonal cross section shorter than the wooden dowels 55, 55 is formed by the joining surfaces 15A (15).
B, 15C, 15D), the outer surface 13a is pierced at an angle (45 degrees) so as to be perpendicular to the outer surface 13a,
The wooden dowels 55, 55 penetrate through the joint surface 15A through the insertion holes 51, 52, and the horizontal frame 13 and the vertical frame 1
1 are fitted so as to straddle both.

More specifically, the insertion holes 51 and 52 are
As can be understood by referring to FIG.
And lower holes 51a and 52a formed in the vertical frame 11 and upper holes 51b and 52b formed in the horizontal frame 13 so as to be continuous with the lower holes 31a and 32a.
, But the total length is shorter than the wooden dowels 55, 55.

Therefore, when assembling the four-sided frame 4 of this embodiment using the wooden dowels 55, 55, the end faces of the vertical frames 11, 12 and the horizontal frames 13, 14 are abutted and temporarily assembled. Each corner 10A, 10B, 10
In C and 10D, wooden dowels 55 and 55 as fixtures
Through the insertion holes 51, 52, penetrate the end faces (joining surfaces 15A, 15B, 15C, 15D), and straddle both the vertical frames 11, 12 and the horizontal frames 13, 14. To fit. In this case, the wooden dowel 5
5 and 55, with the side where the tapered chamfered portion 55a is formed as the head, the head is pressed until the head comes into contact with the bottom of the lower hole portion 51a, 52a of the insertion hole 51, 52. You.

When the wooden dowels 55, 55 are pushed into the insertion holes 51, 52 in this manner, the upper part thereof is placed on the outer surface 1 of the horizontal frame 13 as shown by a virtual line in FIG.
Projecting from 3a (projecting portions 55z, 55z). When the protruding portions 55z, 55z are cut along the outer surface 13a, the cut surfaces (upper end surfaces) 55s, 55s and the outer surface 13a are flush with each other, and the insertion hole 5
The opening sides of the wooden dowels 1 and 52 are closed by the wooden dowels 55 and 55. Therefore, the four-sided frame 4 of the present embodiment
In addition, in the method of assembling the same, in addition to obtaining substantially the same operation and effect as in the above-described embodiment, the need for a cap is eliminated, so that the cost can be further reduced.

[0029]

As can be understood from the above description, according to the four-sided frame and the method for assembling the same according to the present invention, the end faces of the vertical frame and the horizontal frame are abutted and temporarily assembled by adhesive bonding or the like. At each corner, screws, nails, dowels, etc. are screwed, driven, or fitted from the outside so as to straddle both the vertical and horizontal stiles. In addition, when the end faces of the vertical and horizontal frames are abutted against each other, a fixing tool such as a dowel is easily and securely inserted as compared with a case where a fixing tool such as a dowel is fitted. There is no need to adjust the posture of the frame. Therefore, assembling work can be easily performed by one worker, and labor saving and automation can be achieved. As a result, productivity can be improved and manufacturing cost can be reduced.

A cap or the like covers an opening of an insertion hole into which a fixture such as a screw, a nail or a dowel is formed from one outer surface of the vertical frame and the horizontal frame toward the other side. Of course, closing does not impair the aesthetics (appearance),
Since the color, shape, and the like of the cap and the like can be arbitrarily selected, the cap and the like can serve as one pattern accent, and the design can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the vicinity of an upper left corner used for assembling a four-sided frame according to a first embodiment of the present invention.

FIG. 2 is a sectional view of the vicinity of an upper left corner of the four-sided frame shown in FIG. 1;

FIG. 3 is a perspective view of an upper half part of the four-sided frame shown in FIG. 1 in an assembled state.

FIG. 4 is a perspective view showing the vicinity of an upper left corner used for assembling a four-sided frame according to a second embodiment of the present invention.

FIG. 5 is a sectional view of the vicinity of the upper left corner of the four-sided frame shown in FIG. 4;

FIG. 6 is a perspective view showing the vicinity of an upper left corner used for assembling a four-sided frame according to a third embodiment of the present invention.

FIG. 7 is a cross-sectional view of the four-sided frame shown in FIG. 6 near the upper left corner.

FIG. 8 is a perspective view showing the vicinity of an upper left corner used for assembling a four-sided frame according to a fourth embodiment of the present invention.

FIG. 9 is a sectional view of the vicinity of the upper left corner of the four-sided frame shown in FIG. 8;

FIG. 10 is a front view showing the vicinity of an upper left corner used for assembling a conventional four-sided frame for explanation.

FIG. 11 is a perspective view showing the overall configuration of a four-sided frame.

[Explanation of symbols]

1, 2, 3, 4 Four-way frame 11, 12 Vertical frame 13, 14 Horizontal frame 13a of first to fourth embodiments Outer surface 10A, 10B, 10C, 10D Corner 15A, 15B, 15C, 15D Butt joint surface 21 , 22, 31, 32, 41, 42, 51, 52 Insertion hole 25, 45 Set screw 35, 55 Wooden dowel 27, 47 Cap

Claims (4)

[Claims] 1. A rectangular frame-shaped four-way frame comprising a pair of left and right vertical frames and a pair of upper and lower horizontal frames, wherein both end surfaces of the vertical and horizontal frames are tapered inclined surfaces. , The end faces of which are joined to each other, and at each corner, a fixing tool such as a screw, a nail or a dowel is inserted from one outer surface of the vertical frame and the horizontal frame toward the other. A hole is formed, and the fixing tool is screwed, driven, or fitted through the insertion hole so as to penetrate the butted end face and straddle both the vertical frame and the horizontal frame. A four-sided frame characterized by: 2. The four-sided frame according to claim 1, wherein the opening side of the insertion hole is closed with a cap or the like. 3. A pair of left and right vertical stiles and a pair of upper and lower horizontal stiles each having a tapered inclined surface at both end surfaces are prepared, and the end faces of the vertical stiles and the horizontal stiles are joined to each other by adhesive bonding or the like. Temporarily assembling, and then, at each corner, a fixing tool such as a screw, a nail, a dowel, etc. is inserted into an insertion hole formed from the outer surface of one of the vertical frame and the horizontal frame toward the other side. A method of assembling a four-sided frame, wherein the four-sided frame is screwed, driven, or fitted so as to penetrate through the butted end faces and straddle both the vertical frame and the horizontal frame. 4. The method for assembling a four-sided frame according to claim 3, wherein an opening side of the insertion hole is closed with a cap or the like.