JP6841497B2 - Connecting structure of the building frame - Google Patents

Description

The present invention relates to the skeleton of a building, and particularly to a connecting structure of the skeleton of a building formed by combining square timbers.

The skeleton of the building described in Patent Documents 1 and 2, which was previously proposed by the applicant of the present application, is constructed by using a square timber having a single rectangular cross section as a column or a horizontal member. Therefore, the amount of waste material can be significantly reduced as compared with the frame construction method called the conventional construction method, and the material can be effectively used. In addition, this skeleton is easy to assemble and can be sufficiently assembled by human power. In particular, in Cited Document 2, by using a mounting material for temporary placement, an interposition material is provided between the pillars. It has been proposed to install the upper horizontal member more efficiently even if there is no part. Furthermore, it is possible to use thinned timber for square timber, and the expansion of demand will lead to forest conservation.

The applicant of the present application sets the cross section of the square timber to about 6 cm × 6 cm, uses it as a pillar or a horizontal member, and assembles it into a skeleton having a size of about 2 m × 2 m × 2 m. It has been confirmed by actual experiments that when it bends and its load is removed, it is restored to its original shape.
Therefore, it is conceivable to bring such a skeleton not only outdoors but also indoors to assemble it and use it as an indoor building such as an indoor shelter.

Japanese Unexamined Patent Publication No. 2004-346579 Japanese Unexamined Patent Publication No. 2016-186161

The above types of skeletons will be devised so that on-site assembly work can be carried out more efficiently, and the freedom of the skeleton shape can be increased to accommodate the shape and steps of the installation location. As a result, it is thought that demand can be further expanded regardless of whether it is indoors or outdoors.
An object of the present invention is to solve the above problems by providing a novel and useful connecting structure of the above-mentioned type of skeleton and a structure composed of a plurality of skeletons by utilizing the connecting structure.

The present invention has been made to solve the above problems, and the invention of claim 1 is a structure in which the skeletons of a building composed of a combination of square timbers having a single rectangular cross section are connected to each other. The gap between the square timbers and the gap between the square timbers of the other skeleton facing this are used as insertable parts for connection that are set only for the insertion of one square timber, and the gap between the square timbers for connection is used. The connection structure is characterized in that one end side is inserted into the insertable portion on the one skeleton side and the other end side is inserted into the insertable portion on the other skeleton side to be connected.

The invention of claim 2 is a connecting structure in which the skeletons of the building according to claim 1 are connected to each other, wherein the square timbers for connection are arranged in a brace shape between the two skeletons. is there.

The invention of claim 3 is a building in which a plurality of skeletons are connected by the connecting structure according to claim 1 or 2 , and a part of the skeleton is a unit body in which a plurality of square timbers are previously joined to be unitized. It is a building characterized by being constructed.

The invention of claim 4 is a building according to claim 3 , wherein the unit body has a panel structure.

According to the connecting structure of the skeletons of the building of the present invention, the skeletons can be easily connected to each other by the same work as the assembling work of the skeletons, and the connecting place is not limited. It has a high degree of freedom in shape, and can handle the shape and steps of the installation space.

It is a perspective view of the skeleton of the building which concerns on 1st Embodiment of this invention. It is a side view of the skeleton of FIG. It is a top view of the skeleton of FIG. FIG. 2 is a cross-sectional view taken along the line aa of FIG. FIG. 2 is a cross-sectional view taken along the line bb of FIG. It is a side view of the skeleton of the building which concerns on the 2nd Embodiment of this invention. It is a top view of the skeleton of FIG. FIG. 6 is a cross-sectional view taken along the line cc of FIG. FIG. 6 is a cross-sectional view taken along the line dd of FIG. It is a side view of the skeleton of the building which concerns on 3rd Embodiment of this invention. It is a top view of the skeleton of FIG. It is a side view of the skeleton of the building which concerns on 4th Embodiment of this invention.

The building frame 1 according to the first embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, two skeletons 3A and 3B are connected. Both the skeletons 3A and 3B are constructed by assembling square timbers 5 having a prismatic shape and fastening bolts and nuts, and the overall shape is a rectangular parallelepiped having almost the same shape.
The square timber 5 has a square cross section (W × W (= vertical × horizontal dimension)) and is prepared by dividing it into several types of length dimensions (5A, 5B, 5C, ...). Appropriate lengths are used in various parts of the skeleton according to the situation.

As shown in FIGS. 2 and 3, a floor portion 7 having a three-layer structure is constructed on the skeleton 3A side.
The lower layer 9 of the floor portion 7 is composed of a plurality of square timbers 5A, 5A, and so on. The square timbers 5A, 5A, ... Are arranged in parallel with each other with a gap (S) slightly larger than the length (W) of one side of the square timber 5, and both ends in the axial direction thereof are aligned. It is a slatted rectangle as a whole. The long side direction of the lower layer 9 is the length direction of the square timber 5A, and the number of the square timber 5A is adjusted so that the short side direction matches the length dimension of the square timber 5B described later.
An intermediate layer 11 is provided above the lower layer 9. The intermediate layer 11 is composed of a plurality of square timbers 5B, 5B, ... The square timber 5B has a shorter length than the square timber 5A. The square timbers 5B, 5B, ... Are also arranged parallel to each other with a gap (S) slightly larger than the length (W) of one side of the square timber 5, and both ends are aligned. It is a rectangular shape. The short side direction of the intermediate layer 11 is the length direction of the square timber 5B, and the number of square timbers 5B is adjusted so that the long side direction matches the length dimension of the square timber 5A.
An upper layer 13 is provided on the intermediate layer 11. The upper layer 13 is made of square timbers 5A, 5A, ..., And is formed in a rectangular shape like the lower layer 9.

As shown in FIG. 4, the lower layer 9, the intermediate layer 11, and the upper layer 13 are laminated so that the edges on the short side and the long side of the rectangle are aligned to form a three-layer plate, and the plate surface direction, that is, the vertical direction. Seen from the viewpoint, the portion where the gap (S) of the lower layer 9, the gap (S) of the intermediate layer 11 and the gap (S) of the upper layer 13 are connected has a square cross section and a depth of three layers. It has become. The insertable portion 15 can be inserted from the end side of the square lumber 5.

Further, when viewed from the side surface where the ends of the square timbers 5B, 5B, ... Of the intermediate layer 11 are exposed in the plate thickness direction, the gap (S) of the intermediate layer 11 is the upper surface of the square timber 5A of the lower layer 9 and the upper layer 13. It is sandwiched between the lower surfaces of the square timber 5A, and has a square cross section as an insertable portion 17. The insertable portion 17 can be inserted from the end side of the square lumber 5.
The floor portion 7 is integrated by fastening the edge side with a bolt (B) and a nut (not shown).

As shown in FIGS. 2 and 3, a ceiling portion 19 having a two-layer structure is constructed on the skeleton 3A side.
The lower layer 21 of the ceiling portion 19 has the same configuration as the lower layer 9 and the upper layer 13 of the floor portion 7, and the upper layer 23 of the ceiling portion 19 has the same configuration as the intermediate layer 11 of the floor portion 7. Similarly, the lower layer 21 and the upper layer 23 of the ceiling portion 19 are laminated to form a rectangular shape. Therefore, similarly to the floor portion 7, an insertable portion 25 that can be inserted from the vertical direction is formed. However, the insertion depth is for two layers. The ceiling portion 19 is also integrated by fastening the edge side with a bolt (B) and a nut (not shown).
The ceiling portion 19 is arranged directly above the floor portion 7, and the insertable portions 15 and 25 face each other in the vertical direction.

The floor portion 7 and the ceiling portion 19 are connected via a pillar 27. The pillar 27 is made of square timber 5C.
The square timber 5C is erected in the vertical direction, and the lower end side is inserted into the insertable portion 15 of the floor portion 7 and the upper end side is inserted into the insertable portion 25 of the ceiling portion 19 and sandwiched. The lower end side is flush with the bottom surface of the floor portion 7, and the upper end side is flush with the upper surface of the ceiling portion 19.
The square timbers 5C, 5C, ... Are provided in a square frame shape along the edge of the floor 7, and even if there is a missing part, the center line of the long edge is sandwiched when viewed from above and below. Both sides are arranged symmetrically with each other across the center line of the short edge.

The square timber 5D is inserted so as to be flush with the square timbers 5C on both sides at the place where the square timber 5C and the adjacent square timber 5C are opened by one gap (S). The square lumber 5D is used as an interposition material 29, and has a significantly shorter length than the square lumber 5C. The square lumber 5D is arranged near the floor 7 and the ceiling 19, respectively, and in the case where the square lumber 5D is arranged near the floor 7, the lower surface of the square lumber 5D abuts on the upper surface of the lumber 5 in any layer of the floor surface 7. In the case where the square lumber 5D is arranged closer to the ceiling portion 19, the square upper surface of the square lumber 5D is in contact with the lower surface of the square lumber 5 in any layer of the ceiling portion 19. Although the length and dimension of the square timbers constituting the interposition material 29 are not uniform, they do not affect the shape of the skeleton, and therefore, they are collectively referred to as square timber 5D without distinction here.
The pillar 27 is reinforced by the presence of the auxiliary material 29.

Similar to the skeleton 3A, the skeleton 3B is configured by arranging square timbers 5A, 5B, ... Of various length dimensions in a slatted shape.
However, on the skeleton 3B side, a floor portion 31 having a four-layer structure is constructed.
The lower layer 33 of the floor portion 31 is configured in the same manner as the lower layer 9 of the floor portion 7 of the skeleton 3A, but both sides in the long side direction are slightly extended, and the square timber 5E is used instead of the square timber 5A. It is surrounded by a frame of square timbers 5F and 5G. The intermediate lower layer 35 and the intermediate upper layer 37 above it are configured in the same manner as the intermediate layer 11 and the upper layer 13 of the floor portion 7 of the skeleton 3A. Further, the upper layer 39 is configured in the same manner as the intermediate lower layer 35.

Further, the ceiling portion 45 has a two-layer structure like the ceiling portion 19 on the skeleton 3A side, but the lower layer 47 and the upper layer 49 are opposite to the ceiling portion 19 side.
Therefore, as shown in FIG. 5, the floor portion 31 and the ceiling portion 45 on the skeleton 3B side are also formed with the insertable portions 41 and 51 corresponding to the insertable portions 15 and 25 on the skeleton 3A side, respectively. There is. The pillar 53 and the interposition material 55 are composed of square timbers 5C and 5D like the pillar 27 and the interposition material 29 on the skeleton 3A side, and the pillar 53 is sandwiched between the insertable portions 41 and 51.

Further, an insertable portion 43 is formed on the floor portion 31 side corresponding to the insertable portion 17 on the skeleton 3A side, and as shown in FIGS. 2 and 3, when the skeleton 3A and the skeleton 3B are arranged. , The insertable parts 17, 17, ... On the skeleton 3A side and the insertable parts 43, 43, ... On the skeleton 3B side are arranged in a one-to-one correspondence with each other.
Therefore, the square timber 5H is used as a bar-shaped connecting member 57, and as shown in FIGS. 4 and 5, both ends thereof are inserted into the insertable portion 17 on the skeleton 3A side and the insertable portion 43 on the skeleton 3B side, and both ends are inserted. By putting the side in a sandwiched state, the skeleton 3A and the skeleton 3B are connected.

In the actual work, after assembling one of the floor portion 7 of the skeleton 3A or the floor portion 31 of the skeleton 3B, the connecting member 57 is inserted, and the remaining flooring material of the skeleton is assembled with the connecting member 57 incorporated. As a result, the connecting member 57 is in a state of straddling both skeletons 3A and 3B in a bar shape, and both skeletons 3A and 3B are connected. That is, no special work is required for connection.

In both the skeletons 3A and 3B, the square timbers 5 are arranged in a slatted shape, and the gaps can be used for connection. Therefore, the laminated structure and columns of the floors 7 and 31 of the skeletons 3A and 3B. The arrangement and number of 27 and 53 can be set without interfering with each other, and the degree of freedom is secured for the skeletons 3A and 3B. It is also possible to displace the skeleton 3B with respect to the skeleton 3A in the shearing direction.
Further, the floor portion 7 and the ceiling portion 19 are unit products assembled in advance, so that it is not necessary to assemble them on site. Therefore, on-site work is easier.

The connecting structure of the skeleton of the building according to the second embodiment of the present invention will be described with reference to FIGS. 6 to 9.
In this embodiment, two skeletons 3A'and 3B' are connected. The two skeletons 3A'and 3B'are ceiling portions 59 and 63, respectively, instead of the ceiling portions 19 and 45. The ceiling portions 59 and 63 have the same three-layer structure as the floor portion 7 of the skeleton 3A.
Therefore, similarly to the floor portion 7, the insertable portions 61 and 65 are formed, respectively.
By connecting both the floor and the ceiling, the stability of the connection of 3A'and 3B'can be improved.

The connecting structure of the skeleton of the building according to the third embodiment of the present invention will be described with reference to FIGS. 10 to 11.
In this embodiment as well, the two skeletons 3A and 3B are connected, but the square timber 5K is laid in a brace shape as the connecting member 67. The gap between the pillar 27 and the pillar 27 on the skeleton 3A side and the gap between the pillar 53 and the pillar 53 on the skeleton 3B side are insertable portions, and both ends of the connecting member 67 are inserted and sandwiched, respectively, and bolts. It is fastened and fixed by a nut.
If there is not enough space for connection on the floor side, it is possible to connect in this way. It is also conceivable to use it together with the one that is connected horizontally on the floor.

The connecting structure of the skeleton of the building according to the fourth embodiment of the present invention will be described with reference to FIG.
In this embodiment, three skeletons 3A, 3B, and 3A are installed on the stepped surface G, respectively, and connecting members 57 and 67 are used. The connecting member 57 is horizontally bridged, and when one end side is located above the floor portion, the connecting member 57 is sandwiched between the pillars and fastened with bolts and nuts in the same manner as the connecting member 67.

Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to this embodiment, and the invention can be made even if there is a design change within a range not deviating from the gist of the present invention. included.
For example, it goes without saying that the shape of the floor and ceiling, the columns, and the arrangement and number of the interposition materials can be set arbitrarily.
Further, although bolt-nut fastening is used in the above-described embodiment for joining the square timbers, the joining is not limited to this, and for example, joining with a tape or an adhesive can be considered.

The present invention has potential in the construction industry.

1 ... Building connection frame 3A, 3B ... Frame 5A to K ... Square timber 7 ... Floor 9 ... Lower layer 11 ... Intermediate layer 13 ... Upper layer 15 ... Insertable part 17 ... Insertable part 19 ... Ceiling part 21 ... Lower layer 23 ... Upper layer 25 ... Insertable part 27 ... Pillar 29 ... Insulation material 31 ... Floor part 33 ... Lower layer 35 ... Intermediate lower layer 37 ... Intermediate upper layer 39 ... Upper layer 41 ... Insertable part 43 ... Insertable part 45 ... Ceiling part 47 ... Lower layer 49 ... Upper layer 51 ... Insertable part 53 ... Pillar 55 ... Intermediary material 57 ... Connecting material 59 ... Ceiling part 61 ... Insertable part 63 ... Ceiling part 65 ... Insertable part 67 ... Connecting material B ... Bolt G ... Step surface

Claims (4)

In the connecting structure of the skeletons of a building composed of a combination of square timbers with a single rectangular cross section,
The gap between the square timbers of one skeleton and the gap between the square timbers of the other skeleton facing this are used as insertable parts for connection that are set only for the insertion of one square timber.
A connecting structure characterized in that one end side of a square timber for connection is inserted into the insertable portion on the one skeleton side, and the other end side is inserted into the insertable portion on the other skeleton side to be connected. In the connecting structure between the skeletons of the building according to claim 1,
The connecting square timber is a connecting structure characterized in that it is arranged in a brace shape between two skeletons. In a building in which a plurality of skeletons are connected by the connecting structure according to claim 1 or 2.
A part of the skeleton is a building characterized in that it is composed of a unit body in which a plurality of square timbers are previously combined to form a unit. In the building described in claim 3,
The unit body is a building characterized by having a panel structure.

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