JPH0649911A - Joint structure for main structural members for unit building - Google Patents

Abstract

PURPOSE:To make it possible to enhance the structural strength of the whole unit building without processing a reference plane and reduce on-site work and connect building units with ease. CONSTITUTION:Joint structure 1 for a main structural material for a unit building is designed to interconnect posts of adjacent building units 12 and 13, which are separated from each other with a clearance (C). A first nut 2 installed to a post 15A for a building unit 13 on one side and a second nut 3 installed to a post 15B of a building unit 13B or the like on the other side, screws 4 which can be threaded into these nuts 2 and 3 and a regulating member 5 which regulates the span between the posts 15A and 15B are provided. This construction eliminates the need to process the reference plane for the posts 15 or the like, which makes it possible to make an accurate alignment for equipment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure of main structural materials such as pillars of a unit building, and in particular, it is used for joining main structural materials of adjacent building units with a gap between them to enhance structural strength. it can.

[0002]

BACKGROUND ART A unit building such as a house is configured by combining a plurality of building units manufactured in advance in a factory. This building unit consists of four columns at the four corners and a frame composed of upper and lower beams that connect the upper and lower ends of these columns to each other by attaching floor materials, ceiling materials, outer walls, etc. Manufactured. When combining such building units, usually, the upper-floor building unit is placed on the lower-floor building unit via a joining plate, and the two are fixed by joining bolts or the like.

In such a unit building, the skeleton of each building unit is an independent frame, and the structural strength of only that frame is provided. Therefore, as shown in FIG. 4, adjacent building units 40A, 40B
Has been developed to join the columns 41A and 41B, which are the main structural materials adjacent to each other, to increase the structural strength of the entire unit building 42. According to this, the adjacent pillars 41A, 41
The Bs are joined to each other by attaching a connecting plate 43 or the like to the outer circumferences of the pillars 41A and 41B to enhance the structural strength of the pillars 41A and 41B and thus the structural strength of the entire unit building 42.

[0004]

However, in the joining of the main structural materials as described above, there is a problem that it is difficult to determine the dimension from the reference plane to, for example, outfitting. That is, in the building units 40A and 40B, the four pillars 4 at the four corners 4
Two outer peripheral surfaces on the indoor side such as 1A and 41B serve as reference planes 44 for positioning of various outfittings.
If the connecting plate 43 or the like is attached to the outer peripheral surface of the connecting plate 43 or the like, it is necessary to adjust the plate thickness of the connecting plate 43 or the like from the reference surface 44, which is troublesome one after another. Is difficult to decide. In addition, adjacent pillars 41A, 41B
To join each other, each building unit 40A, 40 at the construction site
After combining B, the connecting plate 43 and the like had to be attached by screwing or welding, which was troublesome, and there was a problem that site work increased.

The object of the present invention is to improve the structural strength of the entire unit building without machining the reference plane, to reduce the amount of field work, and to easily join the main structural materials of the unit building. It is to provide a joining structure.

[0006]

Therefore, the present invention provides a joint structure of adjacent main structural members of adjacent building units with a gap in a unit building, which is provided in the main structural member of the one side building unit. A first nut member and a second nut member that is arranged to face the first nut member and is provided on a main structural member of the building unit on the other side.
Of the main structural material of the unit building including the nut member and the screw member screwed into each of the nut members in the gap.

[0007]

According to the present invention, the building units adjacent to each other with a gap between the unit buildings are joined by screwing the screw member to the first nut member and the second nut member. Adjacent building units are joined in the gaps between the building units by screwing the screw members and nut members together, so no processing is performed on the main structural material, so the reference plane does not change and It is easy to determine the positioning of outfitting. Further, the adjoining building units can be joined by screwing the screw members to the respective nut members, so that the adjoining building units can be easily joined and the on-site work can be reduced, thereby achieving the above object.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show an entire elevation surface and an overall plane surface of a unit building constructed by a joint structure of main structural materials of the unit building of the present embodiment. In these figures, a unit building 10 is constructed by combining a plurality of lower floor building units 12 installed on a foundation 11 and an upper floor building unit 13 placed on the lower floor building units 12. Each building unit 12, 13 has four pillars 15 at the four corners.
And an upper beam 16 and a lower beam 17 that connect the upper and lower ends of these columns 15 to each other. Further, the lower-floor building unit 12 and the upper-floor building unit 13 are joined together via the upper and lower joining plates 14 and the like.

Here, the two outer peripheral surfaces of the pillar 15 on the indoor side are, for example, reference surfaces 18 for determining attachment positions of various outfittings.
As shown in FIG. 3, the inner wall 20 and the like are attached via the attachment member 19 with the two surfaces as a reference.

FIG. 3 shows a joint structure (hereinafter, simply referred to as a joint structure) 1 of main structural materials of the unit building of this embodiment. The joint structure 1 is a unit building 10
This is a structure in which the pillars 15 which are the main structural materials adjacent to each other of the building units 12 and 13 adjacent to each other with the gap C therebetween are joined. In other words, this structure 1 has pillars 15A such as one building unit 13A.
And a second nut member 3 provided on the pillar 15B of the other building unit 13B or the like,
A screw member 4 that can be screwed into the nut members 2 and 3 and a restricting member 5 that restricts the distance between the adjacent columns 15A and 15B are provided.

The first nut member 2 is fixed to the pillar 15A of the one building unit 13A by welding or the like, and is attached to the building unit 13A in the height direction, for example, at about three places. The nut member 2 is formed of a round bar having an internal thread 2A cut therein.

The second nut member 3 is attached to the pillar 15B of the other building unit 13B so as to face the first nut member 2, and this nut member 3 also has a circular shape with a female screw 3A cut therein. It is made of sticks. An outer peripheral groove 3B is cut at a substantially central portion in the axial direction of the nut member 3, and the outer peripheral groove 3B is
Through hole 15 in pillar 15B of the other building unit 13B
It engages C and is rotatable. The protrusion 3C on the outer side of the pillar 15B of the nut member 3 is formed with a two-sided width 3D. The nut member 3 and the screw member 4 are rotated by engaging a two-sided width 3D with a wrench or the like and rotating. Are screwed together.

The screw member 4 is integrally formed with an enlarged portion 4A formed in the shape of a head of a hexagonal bolt and screw portions 4B on both sides of the enlarged portion 4A, and forms the screw portion 4B. The screws can be screwed into the female screws 2A and 3A of the nut members 2 and 3, respectively.

As described above, the regulating member 5 has the pillars 15 adjacent to each other.
It is arranged in a gap C between A and 15B and covers both nut members 2 and 3 and screw member 4. The regulating member 5 is formed of a round pipe, and its length is the dimension of the designed clearance C between the adjacent columns 15A and 15B. Therefore, the columns 15A, 15 that are adjacent to each other by the regulating member 5
The spacing between Bs is regulated. Further, a window portion 5A is formed on the outer peripheral surface of the regulating member 5 so as to face each other, and the window portion 5A has a size such that a wrench or the like can be inserted to rotate the second nut member 3 and the screw member 4. .

Next, the operation of this embodiment will be described. In the pillar 15A of the building unit 13A on one side of the adjacent building units of the plurality of lower building units 12 and the upper building unit 13,
The first nut member 2 is fixed in advance at the factory. The screw member 4 is screwed onto the nut member 2 and attached. Such building units 12 and 13 are combined at the construction site to construct the unit building 10. At this time, the screw member 4 is screwed and attached to the first nut member 2, the restricting member 5 is covered on the nut member 2 and the screw member 4, and the adjacent building unit 13B on the other side is attached to the building unit on the one side. 13A, and the second nut member 3 is screwed onto the screw member 4.

Next, a wrench or the like is inserted from the window 5A of the regulating member 5, and the adjacent pillars 15A, 15 are struck by the wrench or the like.
The second nut member 3 is rotated until the restriction member 5 is clamped by B. Such joining is performed for all the adjacent columns 15A and 15B.

According to this embodiment as described above, the following effects can be obtained. That is, since the adjacent columns 15A, 15B of the adjacent building units 13A, 13B, etc. are joined, the columns 15A, 15B
The structural strength of Bs is increased, which leads to unit buildings.
10 This has the effect of increasing the structural strength of the entire structure. In addition, adjacent pillars 15A, 15 such as adjacent building units 13A, 13B
Bs are joined at the gap C between the pillars 15A and 15B, and the reference plane 18 of the pillars 15A and 15B is not processed at all, so
The reference plane 18 can be used as it is as the reference plane 18. Therefore, various outfittings can be attached accurately.

Further, the adjacent columns 15A and 15B are joined to each other only by screwing the screw member 4 into the first nut member 2 and the second nut member 3 which are previously attached to the columns 15A and 15B and tightened. Therefore, the columns 15A and 15B can be easily joined to each other in a short time. Further, the regulating member 5 is provided in the gap C between the adjacent columns 15A and 15B, and the screw member 4 is tightened until the regulating member 5 is sandwiched between the columns 15A and 15B. The intervals between the pillars 15A, 15B, etc. at all the adjoining locations such as 13B, etc. are unified to substantially the same size, so that the highly accurate unit building 10 is built.

It should be noted that the present invention is not limited to the above-mentioned embodiments, but includes the following modifications. That is, in the above-described embodiment, the first nut member 2 is fixed to the building unit 13A on one side, and the second nut member 3 is fixed.
Rotatably attached to the building unit 13B on the other side,
The screw member 4 is screwed into the nut members 2 and 3, but the invention is not limited to this, and for example, left and right threads, that is, threaded portions with reverse threads formed on both sides of the enlarged portion 4A. The screw member may be screwed to the nut members that are respectively fixed to the adjacent columns.

Further, in the above-mentioned embodiment, the regulating member 5 is formed of a round pipe and is attached by covering the screw member 4 or the like, but the present invention is not limited to this, and the regulating member may be a U-shaped regulating member having a size corresponding to a gap. , One of the two parallel sides of the U-shape is fixed to one pillar at a predetermined position by welding or the like, and the other pillar is in contact with the other side of the two parallel sides of the U-shape. May be. In short, it suffices if the distance between adjacent columns can be regulated to a predetermined size.

In addition, the specific structure, shape, and the like for carrying out the present invention may be any other structure as long as the object of the present invention can be achieved.

[0022]

As described above, according to the joining structure of the main structural materials of the unit building of the present invention, the structural strength of the entire unit building can be increased without processing the reference plane, and at the site work. There is little effect, and the main structural materials of the unit building can be easily joined.

[Brief description of drawings]

FIG. 1 is an overall elevational view of a unit building in which a joint structure of main structural materials of a unit building according to an embodiment of the present invention is used.

FIG. 2 is an overall plan view of the unit building.

FIG. 3 is a detailed view of a joint structure of main structural materials of the unit building according to the present embodiment.

FIG. 4 is a detailed view of a joint structure of main structural materials of a unit building according to a conventional example.

[Explanation of reference symbols] 1 united structure of main structural materials of building 2 first nut member 3 second nut member 4 screw member 5 regulating member 10 unit building 13 building unit 13A adjacent one side building unit 13B adjacent Building unit on the other side 15 Pillars 15A Adjacent pillars on one side 15B Adjacent pillars on the other side

Claims (1)

[Claims] 1. A joint structure for adjoining main structural members of adjacent building units in a unit building with a gap, the first nut member provided on the main structural member of the one side building unit, A second nut member that is arranged to face the first nut member and that is provided on a main structural member of the building unit on the other side, and a screw member that is screwed into each of the nut members in the gap. The joining structure of the main structural materials of the unit building, which is characterized by being equipped.