JPH10234973A - Assembling of plural members - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the fitness of one member to the other member, a shape keeping property, an appearance and quality reliability. SOLUTION: An inner side face around the insertion hole 1a of one side member 1 is abutted to the end face of the other side member 3 so as to be overlapped and positioned, a connection piece 6 is forcibly fitted from the insertion hole 1a to the end face of the other side member 3 and a material component 7 present between the end face of the other side member 3 and a relief hole 3a is pushed out to the relief hole 3a by the connection piece 6. Thus, one member 1 and the other member 3 are connected by the connection piece 6 with the insertion hole 1a as a reference.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a plurality of members by connecting a plurality of members with a connecting piece when manufacturing an assembled article such as a machine frame of a pachinko machine or a rocking furniture.

[0002]

2. Description of the Related Art When a plurality of members are joined with a nail when manufacturing an assembled article such as a machine frame or furniture of a pachinko machine, the plurality of members may be broken by a wedge action of the nail. Like machine frames and rocking furniture,
2. Description of the Related Art An assembling method of connecting a plurality of members with a connecting piece is known. 9 to 12 show an example of a method of assembling a machine frame of a conventional pachinko machine. As shown in FIG. 9, this conventional assembling method uses a pair of horizontal members 21 and 22 each of which is made of strip-shaped wood, and a band having substantially the same width as the horizontal members 21 and 22. A pair of vertical pieces 23 and 24, one on each of the left and right pieces of wood, a piece of curtain 25 made of strip-shaped wood, and eight connecting pieces 26 made of cylindrical wood
And a component consisting of four fasteners 27 such as L fittings and 16 screws 28. Each horizontal member 21,
22 is formed to the same length shorter than each of the vertical piece members 23, 24, and has a plurality of insertion holes 21a, 22a at both ends.
And a plurality of counterbore portions 21b and 22b. The upper horizontal member 21 has the same shape as the lower horizontal member 22 except that a notch 21c is formed in the middle of one longitudinal edge. Each of the insertion holes 21a and 22a is located inside the end face of the horizontal piece members 21 and 22 by half the thickness of each of the vertical piece members 23 and 24, and has a hole diameter substantially the same as the outer diameter of the connecting piece 26. And penetrates the inner surface and the outer surface. Each counterbore 21b, 22b
Circular recesses 21d, 22d located inside insertion holes 21a, 22a of horizontal piece members 21, 22 and formed on the outer surface
And through holes 21e and 22e formed at the center of the bottom surface of the circular concave portions 21d and 22d. Each vertical piece 2
3 and 24 have a plurality of insertion holes 23a and 24a at both ends,
A plurality of counterbore portions 23b and 24b are provided. Each insertion hole 2
3a and 24a are located at the center in the thickness direction of the end faces of the vertical piece members 23 and 24, and have a hole diameter substantially the same as the outer diameter of the connecting piece 26. Each of the vertical piece members 23, 2 has a depth of a size less the thickness.
4 is formed at the end. Each counterbore 23b, 24b
Circular concave portion 2 formed on the outer surface of each vertical piece member 23, 24
3d and 24d, and through holes 23e and 24e formed at the center of the bottom surface of the circular concave portions 23d and 24d.
Also, each of the vertical piece members 23 and 24 has a curtain piece member 25 at one end.
Notches 23f and 24f capable of accommodating the same. The curtain piece member 25 has counterbore portions 25a at both ends. The counterbore portion 25a includes a circular recess 25b formed on the outer surface of the curtain piece member 25, and a through hole 25c formed at the center of the bottom surface of the circular recess 25b. The fastener 27 has a plurality of screw holes 27a at both ends for fastening screws 28.

In order to assemble the machine frame using these members, first, as shown in FIG.
The connecting piece 26 is inserted into the insertion holes 23a and 24a. Then, the connecting piece 2 protruding from the end surface of each of the vertical piece members 23, 24
6 is inserted into the insertion holes 21a and 22a of the horizontal members 21 and 22 from the inner side, and the upper and lower end surfaces of the vertical members 23 and 24 are inserted around the insertion holes 21a and 22a of the horizontal members 21 and 22. And the pair of horizontal members 21 and 22 and the pair of vertical members 23 and 24 are positioned by the connecting piece 26 and temporarily assembled to form a square. At the time of this temporary assembly, each horizontal piece member 21 and 22 and each vertical piece member 23 and 24
An unillustrated adhesive such as a woodwork bond may be used between the contact surfaces of the machine frame and the connecting piece 26 to keep the machine frame square as an intermediate product.

Next, as shown in FIGS. 11 to 12, the fastener 27 is applied to the inside of each corner of the intermediate product after the temporary assembly is completed, and the screw 28 is screwed into the counterbore portions 21b, 22b, 22b.
Fastened to the screw hole 27a of the fastener 27 from 23b and 24b. Also, the notch 23 on the side of the lower horizontal member 22 of the intermediate product
f, 24f, insert both ends of the curtain piece member 25,
8 from the counterbore portion 25a of the curtain piece member 25 to each vertical piece member 2
Fastened to 3,24. As a result, a square machine frame is completed. On the completed machine frame, a mating machine frame element called a front frame (not shown) is attached to the front side of the curtain piece member 25 so as to be able to open with a hinge.

[0005]

However, in the above-mentioned conventional assembling method, the horizontal pieces 21 and 22 and the vertical pieces 23,
24 are inserted into the insertion holes 21a, 22a, 23a, and 24a which have been drilled in advance in both members.
Since the horizontal members 21 and 22 and the vertical members 23 and 24 are assembled by inserting and mounting, for example, when the positions where the insertion holes 21a, 22a, 23a and 24a are drilled during drilling are shifted, For example, the end faces of the horizontal piece members 21 and 22 protrude outside the vertical piece members 23 and 24 or are retracted. Also, the outer diameter of the connecting piece 26 and the insertion hole 21
If the connecting piece 26 is too thick, the connecting piece 26 is inserted into the insertion hole 2 depending on the setting of the hole diameters of the holes a, 22a, 23a and 24a.
1a, 22a, 23a, 24a, it is difficult to insert them into the end faces of the vertical pieces 23, 24 and the insertion holes 21 of the horizontal pieces 21, 22.
a, 22a, 23a, and 24a, a gap may remain between the inner surfaces. That is, if the protrusions, retractions, or gaps are formed, the mounting of the horizontal members 21 and 22 and the vertical members 23 and 24 is deteriorated, the appearance is poor, and the quality reliability is poor. Conversely, if the connecting piece 26 is too thin, the insertion holes 21a, 22a, 23a, 2
Although insertion into 4a is easy, it is unavoidable that workability of transporting the intermediate product to the next step is deteriorated due to lack of shape retention for maintaining the shape of the intermediate product before attaching the fastener 27.

Accordingly, an object of the present invention is to provide a method for assembling a plurality of members, which can improve the buildability, shape retention, appearance, and quality reliability of one member and the other member. .

[0007]

According to a first aspect of the present invention, there is provided a method for assembling a plurality of members, the plurality of members being connected by a connecting piece, wherein an end surface of the other member is attached to an inner surface of one member. The joining piece is pressed into the end face of the other member from the outer surface of the one member, and one or both material components of the one member and the other member existing ahead in the press-in direction in the joining piece. Is pressed out in the press-fitting direction while being compressed, and one member and the other member are joined. According to the method of the first aspect, after positioning the end face of the other member against the outer face of the one member, the press-fitting is carried out by the connecting piece pressed from the outer face of the one member to the end face of the other member. One member and the other member by compressing and extruding one or both material components of the one member and the other member existing in the direction ahead in the press-fitting direction to join the one member and the other member. By accurately positioning the width and the position of each other, it is possible to assemble the assembly of one member and the other member well. Also, when press-fitting the connecting piece, a force is applied to one member from the connecting piece toward the end surface of the other member, so that one member does not float with respect to the other member. The inconvenience that the inner surface of the member is in close contact with the end surface of the other member and a gap is generated between the inner surface of one member and the end surface of the other member can be solved. Therefore, the buildability, shape retention, appearance, and quality reliability of one member and the other member can be improved. In the invention of claim 2,
One of the members described in claim 1 is a pair of horizontal pieces on the left and right, and the other member is a pair of vertical pieces on the upper and lower sides to form a machine frame of a square pachinko machine. According to the method of the second aspect, a machine frame for assembling a heavy-duty pachinko machine to an island of a pachinko parlor can be firmly formed. According to a third aspect of the present invention, the plurality of members according to any one of the first and second aspects are formed of wood. According to the method of claim 3, by press-fitting the connecting piece under the action of the elastic deformation of the wood of the plurality of members,
The engagement strength between one member, the other member, and the connecting piece can be improved. The invention according to claim 4 is characterized in that the direction of the fiber of the other member made of wood according to claim 3 is aligned with the press-fitting direction of the connecting piece. According to the method of claim 4, when the material component of the other member is compressed by the joining piece, the material component is compressed along the direction of the fiber of one member, so that the other member is not cracked. The inconvenience that occurs can be solved, and the joining strength between the one member and the other member by the joining piece can be improved. According to a fifth aspect of the present invention, an insertion hole is formed on the outer surface of one of the members according to any one of the first to fourth aspects so that the coupling piece can be fitted into an interference fit, and the insertion hole is used for coupling. It is characterized by performing positioning when press-fitting a piece. According to the method of the fifth aspect, by performing positioning at the time of press-fitting of the connecting piece by the insertion hole, the inserting posture of the connecting piece becomes appropriate, and there is an inconvenience that cracks occur in both one member and the other member. Can be eliminated, and the joining strength of the joining member between the one member and the other member can be improved. According to a sixth aspect of the present invention, a material component is formed by forming a relief hole on one side surface of the other member according to any one of the first to fifth aspects, and is compressed and extruded by the relief hole with the press-fit of the connecting piece. It is characterized by taking in. Claim 6
According to the method described above, when the connecting piece is pressed into the other member,
The material component existing between the end face of the other member and the relief hole is pushed out into the relief hole while being compressed by the coupling member, so that the coupling member is pressed into the other member deeply, so that the coupling member with respect to the other member is pressed. Even if the press-fit dimension is set to be large, the inconvenience of the other member being cracked can be eliminated, and the joining strength of the joining member between the one member and the other member can be improved.
The invention according to claim 7 is characterized in that the relief hole according to claim 6 is opened on one side, and is formed as an unopened recess on the other side. According to the method of claim 7, by arranging the one side face where the escape hole is opened inside the product composed of one member and the other member, the escape hole and the material component extruded into the inside are eliminated. It shields from the outside of the product and can improve the appearance. The invention according to claim 8 is characterized in that the connecting piece according to claim 1 is formed in a rod shape having substantially the same cross-sectional shape in the axial direction. According to this method, the connecting piece can be easily manufactured. According to a ninth aspect of the present invention, there is provided a method for assembling a plurality of members, wherein the connecting piece according to any one of the first and eighth aspects is formed of wood. According to the method of claim 9, the joining piece made of wood is pressed into one member and the other member as if it bites into each other, so that one member and the other member are anchored by the joining piece. Can be firmly joined as if joined. Further, if the connecting piece is formed in a truncated pyramid shape, it depends on the setting of the degree of taper as a ratio of the outer diameter of the front end to the outer diameter of the rear end of the connecting piece and the area of the front end. Is pressed into one member and the other member without cracking, and as the coupling piece is pressed in, it is stretched inside one member and the other member, and the coupling piece, one member and the other The bonding strength with the member can be improved. When an insertion hole is formed in one of the members and the connecting piece is formed in a truncated cone shape, the outer diameter of the narrow end of the connecting piece is set smaller than the hole diameter of the insertion hole, and the connecting piece is made thicker. If the outer diameter of the rear end is set to be larger than the diameter of the insertion hole, the connecting piece can be easily inserted into the insertion hole.

[0008]

1 to 5 show a first embodiment. As shown in FIG. 5, in the assembling method of this embodiment, a pair of upper and lower strip-shaped upper and lower members 1 and 2 are provided.
A pair of vertical strip members 3 and 4 each of which is a strip of left and right having substantially the same width as the horizontal strip members 1 and 2, one curtain strip member 5 made of strip-shaped wood, and a columnar strip A case of assembling a pachinko machine frame using eight connecting pieces 6 made of wood will be described as an example. As the horizontal piece members 1 and 2, the vertical piece members 3 and 4, and the curtain piece member 5, for example, it is conceivable to use wood such as alpaca material. In the horizontal pieces 1 and 2, the direction of the fiber (the direction of the grain) is set in the direction of arrow X, and in the vertical pieces 3 and 4, the direction of the fiber Y Direction is set.

In the case of this embodiment, each of the horizontal piece members 1, 2
Is formed to have the same length shorter than the vertical piece members 3 and 4, and has a plurality of round hole-shaped insertion holes 1a and 2a and a plurality of counterbore portions 1b and 2b at both ends. The upper horizontal piece 1
It has the same shape as the lower horizontal member 2 except that a notch 1c is formed in the middle of one longitudinal edge. Each insertion hole 1a, 2
a is located inside the end faces of the horizontal piece members 1 and 2 by half the thickness of the vertical piece members 3 and 4 and penetrates the inner side face and the outer side face as both side faces. The counterbore portions 1b, 2b are located inside the insertion holes 1a, 2a, and are circular recesses 1d, 2d formed on the outer surface as one side surface of each of the horizontal piece members 1, 2.
And a through hole 1 formed at the center of the bottom surface of the concave portions 1d and 2d.
e and 2e.

Each of the vertical piece members 3 and 4 has a plurality of relief holes 3a and 4a at both ends and a plurality of counterboring portions 3b. 4b.
Each of the clearance holes 3a, 4a is located inside the end face of the vertical piece members 3, 4 by a size obtained by subtracting the thickness of the horizontal piece members 1, 2 from the length of the connecting piece 6, and It has a square depression that opens on the inner surface. The depth of each of the clearance holes 3a, 4a from the inner side surface has a size that can take in the wood component 7 (see FIG. 2) of the vertical piece members 3, 4 extruded by the connecting piece 6.
Each counterbore 3b. 4b is a circular concave portion 3d, 4d formed on the outer surface as one side surface of the vertical piece members 3, 4;
d, 4d are formed through holes 3e, 4e formed at the center of the bottom surface. Each of the vertical piece members 3 and 4 has notches 3 f and 4 f at one end thereof, which can accommodate the curtain piece member 5.

The curtain piece member 5 has counterbore portions 5a at both ends. Each counterbore portion 5a is formed of a circular concave portion 5b formed on the outer surface of the vertical piece members 3 and 4 at a half of the thickness of the vertical piece members 3 and 4 from the end surface of the curtain piece member 5, and a circular concave portion 5b. It comprises a through hole 5c formed at the center of the bottom surface.

The connecting piece 6 is fitted into the insertion holes 1a and 2a with a tighter fit than the horizontal pieces 1 and 2 and the vertical pieces 3 and 4, and has substantially the same cross-sectional shape in the axial direction. It has a cylindrical rod shape having The outer peripheral surface of the connecting piece 6
Rough surface texture formed by any one or a combination of ridges and valleys extending in the circumferential direction, ridges and ridges extending in the axial direction, or ridges and ridges extending in the spiral direction Having.

In order to assemble the machine frame using these components, first, as shown in FIG. 4, the connecting piece 6 is inserted into the insertion holes 1a, 2a of the vertical piece members 3, 4 from the outer side. I do. Then, after the inner surfaces of both ends of each of the horizontal piece members 1 and 2 are abutted and positioned so as to overlap the both end faces of each of the vertical piece members 3 and 4, they are projected outward from the horizontal piece members 1 and 2. The connection piece 6 is press-fitted by a pressing tool such as a hammer (not shown) or a pressing machine such as a press.

One corner of this embodiment is shown in FIGS.
This will be described in detail with reference to FIG. In these figures, 8 is an inner jig, 9 is an outer jig, and 10 is a pressing tool. First, FIG.
As shown in the figure, the inner surfaces of the horizontal members 1 and 2 in which the connecting pieces 6 are fitted in the insertion holes 1a and 2a are superimposed on the end surfaces of the vertical members 3 and 4 in which the escape holes 3a and 4a are arranged inside. You. In this state, one corner portion including the horizontal piece members 1 and 2 and the vertical piece members 3 and 4 is supported so as to be sandwiched between the inner jig 8 and the outer jig 9. Thereby, the end surfaces of the horizontal piece members 1 and 2 are positioned so as to be flatly connected to the outer side surfaces of the vertical piece members 3 and 4. Also, for example, the vertical piece members 3 and 4
Is mounted on a fixed receiving stand (not shown) so that the vertical pieces 3 and 4 are positioned so as not to move downward. In this state, the working hole 9 of the outer jig 9 is
a pressing tool 10 on the upper end face of the connecting piece 6 protruding outside
With force F.

As a result, as shown in FIG.
Is compressed and extruded into the escape holes 3a, 4a while compressing a wood component 7 as a material component existing between the end faces of the vertical members 3, 4 and the escape holes 3a, 4a. Pressed in between 3 and 4. Therefore, in one corner portion composed of the horizontal piece members 1 and 2 and the vertical piece members 3 and 4,
The horizontal pieces 1 and 2 and the vertical pieces 3 and 4 are connected by a connecting piece 6. As shown in FIG. 3, the method of assembling a plurality of members at one corner portion is also performed on the remaining three corner portions, so that the rectangular machine frame is formed with a pair of horizontal piece members 1 and 2 and a pair of horizontal member members. It is assembled with the vertical piece members 3 and 4 and the plurality of connecting pieces 6.

In short, according to the method of this embodiment,
Insertion holes 1a, 2a of horizontal piece members 1, 2 as one member
The inner surface of the periphery, vertical piece members 3 and 4 as the other member
And the insertion holes 1a and 2 of the horizontal pieces 1 and 2
a, by press-fitting a connecting piece 6 having a shape fitted into the insertion holes 1a and 2a in an interference fit into the end faces of the vertical piece members 3 and 4, the connecting piece 6 is brought into contact with the end faces of the vertical piece members 3 and 4. Escape hole 3
The wood component 7 existing between the vertical pieces 3 and 4 and the horizontal pieces 1 and 2 are joined together by compressing the wood component 7 existing between the vertical pieces 3 and 4a into the relief holes 3a and 4a. Therefore, the insertion holes 1a, 2a previously drilled in the horizontal piece members 1, 2 are provided.
, The horizontal pieces 1, 2 and the vertical pieces 3,
4 is connected, for example, when the insertion hole 1
a, 2a, even if the position of opening is shifted,
The width and the positions of the vertical pieces 2 and the vertical pieces 3 and 4 are accurately positioned with respect to each other, so that the horizontal pieces 1 and 2 and the vertical pieces 3 and 4 can be better assembled.

Moreover, the connecting piece 6 is moved from the state of FIG.
In the process of pushing out the wood component 7 into the escape holes 3a, 4a in the state described above, the wood component 7 is pressed into the horizontal piece members 1, 2 and the vertical piece members 3, 4 as if biting. Therefore, the horizontal pieces 1 and 2 and the vertical pieces 3 and 4 can be firmly connected to each other as if they were anchored by the connecting piece 6, and the shape retention of the machine frame in a square shape is improved. Workability for transporting to the process is improved.

When the connecting piece 6 is press-fitted,
Since a force directed from the connecting piece 6 toward the end faces of the vertical pieces 3 and 4 acts on the second piece 2, for example, even if the pressing force of the outer jig 9 is weak, the horizontal pieces 1 and 2 are , 4, the inner surfaces of the horizontal members 1, 2 are in close contact with the end surfaces of the vertical members 3, 4 and the inner surfaces of the horizontal members 1, 2 and the vertical members 3, 4. Inconvenience such as generation of a gap between the end faces can be eliminated, and the appearance can be improved.

When the connecting piece 6 pushes the wood components 7 of the vertical pieces 3, 4 into the escape holes 3a, 4a, the wood components 7 are compressed along the direction Y of the fibers of the vertical pieces 3, 4. Since the members are extruded while being pressed, the inconvenience of cracks occurring in the vertical piece members 3 and 4 can be solved.

Further, the escape holes 3a and 4a are formed by the vertical pieces 3 and 4 respectively.
Are formed on the inner side surface of each of the vertical pieces 3 and 4, and are formed as unopened dents on the outer side surfaces of the vertical piece members 3 and 4. Therefore, after assembling, the escape holes 3a and 4a and the material component 7 extruded into the inside thereof are removed. It is shielded from the outer surface of the machine frame, and the appearance can be improved.

After assembling the machine frame as described above, both ends of the curtain piece member 5 are fitted into the notches 3f, 4f on the lower horizontal piece members 1, 2 shown in FIG. A screw is fastened to each of the vertical piece members 3 and 4 from the counterbore 5a of the curtain piece member 5.

Although it is not necessary to use the fastener shown in FIG. 9, if such a fastener is used, the fastener is addressed to the inside of each corner of the machine frame, and then the screw is removed. Fastening is made to the screw hole of the fastener from the counterbore between the horizontal piece members 1 and 2 and the vertical piece members 3 and 4.

In the assembled machine frame of this embodiment, a mating machine frame element called a front frame (not shown) is attached to the front side of the curtain piece member 5 so as to be openable by a hinge. General.

FIGS. 6 to 8 show a second embodiment. In FIG. 6, the connecting piece 15 has a frusto-conical shape such as a frusto-conical shape like a tapered pin, and has an outer diameter D1 of a thinner tip.
Is the hole diameter D2 of the insertion hole 16a corresponding to the above-described insertion hole 1a, 2a of the horizontal member 16 corresponding to the above-described horizontal member 1, 2.
Set the outer diameter D3 of the thicker rear end to the hole diameter D
The size is set larger than 2. Thereby, the connecting piece 15
Can be easily inserted into the insertion hole 16a.

As shown in FIG. 7, when the connecting piece 15 is inserted into the insertion hole 16a of the horizontal piece 16 from the outside from the front end, the intermediate portion of the connecting piece 15 comes into contact with the insertion hole 16a and is hooked. The connecting piece 15 is fitted into the insertion hole 16a by interference fit with the tip of the piece 15 substantially flush with the inner surface of the horizontal piece member 16 or withdrawn from the inner surface.
Thus, the connecting piece 15 can be properly erected at a right angle to or close to the horizontal piece 16, and the direction of the press-fitting of the connecting piece 15 can be accurately obtained. Next, the horizontal member 1
6 in a state where the inner side surface of the vertical member 6 is overlapped with the end surface of the vertical member 17 corresponding to the above-described vertical member 3, 4;
And the vertical piece member 17 are supported so as to be sandwiched between the inner jig 8 and the outer jig 9. Further, the vertical piece member 17 is positioned so as not to move downward by a receiving stand (not shown). In this state, the connecting piece 15 protruding outward from the working hole 9 a of the outer jig 9 is pressed by the force F of the pressing tool 10.

As a result, as shown in FIG.
5 pushes out the wood component 18 existing between the end face of the vertical piece member 17 and the escape hole 17a corresponding to the above-described escape hole 3a, 4a into the escape hole 17a along the fiber direction Y, and The vertical piece member 17 is firmly connected. This combined piece 1
5 is pressed by the force F, the wood component of the horizontal piece 16 around the insertion hole 16a is compressed so that the rear half of the connecting piece 15 expands the hole diameter of the insertion hole 16a. The joining strength between the horizontal piece 16 and the vertical piece 17 is improved so that the joining strength with the joining piece 15 approaches the coupling strength between the joining piece 15 and the vertical piece member 17.

Also, depending on the degree of taper as the ratio between the outer diameter D1 and the outer diameter D3 of the connecting piece 15 and the area of the tip, the connecting piece 15 is formed in a truncated cone shape. Inconveniences such as cracks, such as driving a nail or wedge into wood, can also be prevented.

In the above embodiment, the vertical members 3, 4, 17
Although the horizontal pieces 1, 2, 16 and the connecting pieces 6, 15 are made of wood, the molecular arrangement of the resin components of the vertical pieces 3, 4, 17 in which the relief holes 3a, 4a, 17a are formed is determined by the fiber arrangement. If a synthetic resin material that is aligned in the direction Y is selected,
4, 17 and all of the horizontal members 1, 2, 16 and the connecting pieces 6, 15, or the vertical members 3, 4, 17 or the horizontal members 1,
2, 16 and one of the connecting pieces 6 and the vertical piece members 3, 4,
The same operation and effect can be obtained even if the material 17 is formed of a synthetic resin.

In the above-described embodiment, after the inner surfaces of the horizontal pieces 1, 2, 16 on which the connecting pieces 6, 15 are inserted and mounted are superimposed on the end faces of the vertical pieces 3, 4, 17, 1
5 has been illustrated and described,
In a state where the inner surfaces of the vertical pieces 2 and 16 are overlapped with the end faces of the vertical pieces 3, 4 and 17, the connecting pieces 6 are inserted into the insertion holes 3 a, 4 a and 4.
Even if it press-fits from 16a into the end surface of the vertical piece members 3, 4, and 17,
There is a similar effect.

In the above-described embodiment, the inner jig 8 and the outer jig 9 are used. However, it is possible to assemble without using these jigs or omitting one of the jigs. . For example, when assembling a square machine frame of a pachinko machine as in the embodiment, a jig to be used is formed in a square or a U-shape, and the inner or outer jig is used to form the horizontal piece members 1, 2, 16. It is possible to position the vertical piece members 3, 4, 17 with respect to.

In the above embodiment, the relief holes 3a, 4a, 1
The upper and lower widths of the wood components 7a are formed larger than the lengths of the wood components 7, 18 extruded by the connecting pieces 6, 15, and
Although the embodiment has been illustrated and described in which the escape hole 18 can be taken out from the escape holes 3a, 4a and 17a, the escape holes 3a, 4a and 17a are described.
Wood component extruded by the connecting pieces 6 and 15
18 and smaller than the length of the wood component 7,
With the escape pieces 3a,
By making the lower surfaces 4a, 17a bite, the lumber components 3, 4, 17 cannot be taken out from the escape holes 3a, 4a, 17a in a state where the press-in operation of the connecting pieces 6, 15 is completed. Pieces 6,15, wood ingredients 7,18,
The longitudinal surfaces of the vertical members 3, 4, 17 forming the lower surfaces of the relief holes 3a, 4a, 17a are joined together in a state of cold pressure welding of the metal between the butting surfaces of the three members. The support strength between the pieces 6, 15 and the vertical piece members 3, 4, 17 can be improved.

The joining pieces 6 and 15 are not limited to wood and synthetic resin, and may be made of a material harder than the vertical pieces 3 and 4, for example, even if it is made of metal, the same as in the above embodiment.

If the connecting pieces 6 and 15 are formed in a pipe shape or a split pipe shape in which a groove is formed in a part of the peripheral wall of the pipe shape, the weight of the connecting pieces 6 and 15 can be reduced. it can.

In the first embodiment, if the chamfer is formed at the outer peripheral edge at one end of the connecting piece 6, the connecting piece 6 is inserted into the insertion hole 1
a, 2a.

Escape holes 3a, 4 from vertical piece members 3, 4, 17
a, 17a may be omitted, and the wood components 7, 18 may be contained inside the vertical members 3, 4, 17 while being compressed by the connection pieces 6, 15 to be press-fitted. In order to prevent cracks from being generated, the press-fitting dimensions of the connecting pieces 6, 15 into the vertical piece members 3, 4, 17 are smaller and shallower than in the above embodiment, but can be applied similarly to the above embodiment.

The insertion holes 1a, 2a, 16a are
2, 16 are formed in the inner surfaces of the inner surfaces of the cavities which are not open and which are open to the outer surfaces.
15 and the press-fitted connecting pieces 6,
Even if the wood component 15 is extruded while compressing both the wood component existing between the depressions of the horizontal pieces 1, 2, 16 and the inner surface and the wood component 18 of the vertical pieces 3, 4, 17, It can be applied in the same manner as in the above embodiment.

Although it depends on the material properties of the horizontal members 1, 2, 16, the insertion holes 1a, 2a, 16
a is omitted, and the end faces of the vertical piece members 3, 4, 17 are positioned by abutting on the inner surfaces of the horizontal piece members 1, 2, 16; Even if it is press-fitted into the end faces of the vertical piece members 3, 4, and 17, it can be applied in the same manner as in the above embodiment.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state in which it is supported by a jig according to a first embodiment.

FIG. 2 is a cross-sectional view showing a combined state of the first embodiment.

FIG. 3 is a sectional view showing the machine frame after assembly according to the first embodiment;

FIG. 4 is an exploded perspective view showing an initial assembly state of the first embodiment.

FIG. 5 is a diagram of parts used according to the first embodiment.

FIG. 6 is a cross-sectional view showing a connecting piece and a main part of a horizontal piece member according to a second embodiment.

FIG. 7 is a cross-sectional view showing a state where the jig is supported by the jig of the second embodiment.

FIG. 8 is a cross-sectional view illustrating a combined state of the second embodiment.

FIG. 9 is a diagram showing parts used in a conventional assembling method.

FIG. 10 is an exploded perspective view showing a conventional initial assembly state.

FIG. 11 is a cross-sectional view of a conventional machine frame with a part thereof cut after assembly.

FIG. 12 is a perspective view of a conventional machine frame after assembly.

[Explanation of symbols]

 1,2,16 Horizontal piece (one member) 1a, 2a, 16a Insertion hole 3,4,17 Vertical piece (the other member) 3a, 4a Escape hole 6,15 Joint piece 7,18 Wood component (material) component)

Claims (9)

[Claims] 1. A method for assembling a plurality of members, wherein a plurality of members are joined by a joining piece, wherein an inner surface of one member is positioned by abutting an end surface of the other member, and an inner surface of the other member is positioned opposite to an outer surface of the one member. A joining piece is press-fitted into the end face of the member, and one or both material components of one member and the other member existing in the press-fitting direction are pushed out in the press-fitting direction while compressing one or both material components existing in the press-fitting direction. A method for assembling a plurality of members. 2. The machine frame of a square pachinko machine, wherein one member is a pair of horizontal members on the left and right sides, and the other member is a pair of vertical members on the upper and lower sides.
A method for assembling a plurality of members according to the description. 3. The method for assembling a plurality of members according to claim 1, wherein the plurality of members are formed of wood. 4. The fiber of the other member made of wood is oriented in the direction of press-fitting of the connecting piece.
A method for assembling a plurality of members according to the description. 5. An insertion hole on an outer surface of one of the members, into which a connecting piece can be fitted in an interference fit, and the insertion hole is used to position the connecting piece at the time of press-fitting.
A method of assembling a plurality of members into any one of the above-described items. 6. An escape hole is formed on one side of the other member,
The method for assembling a plurality of members according to any one of claims 1 to 5, wherein a material component that is compressed and extruded in accordance with the press-fit of the connecting piece is taken in through the escape hole. 7. The method for assembling a plurality of members according to claim 6, wherein the relief hole is opened on one side and is formed as an unopened recess on the other side. 8. The method for assembling a plurality of members according to claim 1, wherein the connecting piece is formed in a rod shape having substantially the same sectional shape in the axial direction. 9. The method for assembling a plurality of members according to claim 1, wherein the connecting piece is formed of wood.