JPH07180227A - Connecting tool of building unit - Google Patents

Abstract

PURPOSE:To improve the positional accuracy of building units adjacent to each other in the horizontal direction at the time of connecting connecting members to each other and to surely transmit the lateral load between connecting members after a unit building is built. CONSTITUTION:A connecting tool 1 of a building unit comprises a first connecting member 21 installed between building units of upper and lower floors in one side of right and left sides, and a second connecting member 22 installed between building units of upper and lower floors on the other side. A hole 23A including an engaging part 23B is provided in the connecting member 21, and a projection 24A closely engaged with the hole 23A is provided on the connecting member 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building unit connecting tool for connecting building units constituting a unit type building.

[0002]

BACKGROUND ART A unit type building is built by assembling a plurality of building units produced in advance in a factory on site. As a connecting device used when vertically assembling these building units, there is disclosed in Japanese Patent Laid-Open No. 3-144.
There is one disclosed in Japanese Patent No. 037.

According to this publication, a connecting device for a building unit includes a first connecting member mounted between building units on the upper and lower floors on one side on the left and right adjacent to each other in the horizontal direction, and a connecting member protruding in the horizontal direction. A second connecting member that is attached to at least the upper surface of the building unit on the lower floor on the other side of the adjacent left and right sides and has a connecting portion protruding, It is to connect.

[0004]

However, in the connecting device for the building unit as described above, the connecting portions of the connecting members are connected by bolts and nuts. Since there is a gap between the outer periphery of the bolt, when the connecting members are connected to combine the building units, the positional accuracy between the building units that are adjacent in the horizontal direction is poor, and after building the unit type building, There has been a problem that the lateral load is not reliably transmitted in each connecting member.

An object of the present invention is to improve the positional accuracy of horizontally adjacent building units when connecting the connecting members,
Another object of the present invention is to provide a connecting tool for a building unit in which a lateral load is reliably transmitted between connecting members after a unit type building is constructed.

[0006]

A connecting tool for a building unit according to the present invention comprises a first connecting member mounted between building units on the upper and lower floors on one side on the left and right adjacent to each other in the horizontal direction and having a protruding connecting portion. A second connecting member mounted between the building units on the upper and lower floors on the other side of the left and right adjacent to each other in the horizontal direction, the connecting portion protruding, the connecting portions being overlapped, and the connecting portions being connected to each other. In the connecting member of the building unit to be connected with, the hole is provided in the connecting portion of the first connecting member, and the projection is provided in the connecting portion of the second connecting member, so that the hole and the projection are closely fitted. It is a feature.

In the joint plate of this building unit, the protrusion may be formed by embossing,
Further, the first and second connecting members may be provided with a space for inserting a shifting work tool used when these connecting members are stacked.

[0008]

In the present invention as described above, the first connecting member and the second connecting member
And the connecting members are connected by the engagement of the holes and the projections provided in the respective connecting portions, the gap between the holes and the projections is extremely small, and the entire circumference of the holes and the projections is small. Since they are connected by tight fitting that closely adheres to each other, when connecting the connecting members to combine the building units, the positional accuracy between the building units that are horizontally adjacent to each other is improved. The lateral load is reliably transmitted in each connecting member.

Further, in the connecting member of the building unit, when the first and second connecting members are provided with a space for inserting a moving work tool used when these connecting members are stacked, the moving work tool is placed in the space. Since it is possible to insert the connecting members into each other easily, both units can be easily connected even if the lower floor building units on the left and right are arranged with some error.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a unit-type building 2 built using the connecting tool 1 of the building unit of this embodiment. The unit-type building 2 includes left and right lower-floor building units 4, 5 installed on a foundation 3 and left and right upper-floor building units 6, 7 installed on these lower-floor building units 4, 5. And the building units 4 to 7 are assembled by the connecting tool 1.

The connecting tool 1 of this building unit is shown in FIGS.
As shown in FIG. 5, it is composed of first and second connecting members 21 and 22, and these connecting members 21 and 22 are each formed in a planar rectangular shape. The first connecting member 21 is attached between the building units 4 and 6 on the upper and lower floors on one side that are horizontally adjacent to each other, and the second connecting member 22 is the building unit 5 on the upper and lower floors on the other side. It is attached between 7.

As shown in FIG. 2, the first connecting member 21
Is guided by large and small guide pins 10 and 11 which are respectively erected at the upper ends of the pillars 8 and 9 of the adjacent lower floor building units 4A and 4B in the lower floor building unit 4 on the left side, and the lower floor building unit 4A, It is designed to be placed on 4B. Similarly to the above, the second connecting member 22 also has adjacent building units 5A and 5A in the lower-floor building unit 5 on the right side.
The lower-floor building unit 5 is guided by large and small guide pins 10 and 11 which are erected on the upper ends of the B columns 13 and 14, respectively.
It can be placed on top of A and 5B. And
Each connecting member 21, 22 is a lower-floor building unit 4
After being placed on A, 4B and 5A, 5B, there are two units each on the upper floor building units 6, 7 (see FIG. 1).
Are guided by the large and small guide pins 10 and 11, respectively, and the upper-floor building unit 6 is moved to the lower-floor building units 4A and 4B.
Above, the upper floor building unit 7 is the lower floor building unit 5A, 5
It is placed on B and then fixed in the vertical direction by bolts 12, respectively.

As shown in FIGS. 1 to 3, the connecting members 21 and 22 are respectively the left and right building units 4, 5 and 6, respectively.
It has the connection parts 23 and 24 which project in the space of 7. First
The tip of the connecting portion 23 of the connecting member 21 is inclined and bent upward, and the connecting portion 23 has a hole 23A formed in the lower surface thereof including a conical fitting portion 23B. ing.

The tip of the connecting portion 24 of the second connecting member 22 is inclined downward and bent, and the connecting portion 24 is provided with a projection 24A. This protrusion 24
A is formed by embossing together with the bolt holes 24B. Here, the embossing is a forming process including an upper mold and a lower mold in which irregularities are opposite to each other. The protrusion 24A is formed to have a size that fits into the fitting portion 23B of the hole 23A, so that when the projection 24A and the fitting portion 23B are engaged with each other, the gap between the two portions 24A and 23B is extremely small, and A tightly fitted state in which the two 24A and 23B are in close contact with each other over the entire circumference is created. Further, a nut 25 is fixed to the back surface of the connecting portion 24, and the nut 25 has a hole 23A in the connecting portion 23 of the first connecting member 21, as shown in FIG.
A bolt 26 inserted from is screwed, and by this, both connecting portions 23 and 24 are connected as shown in FIG. 3 (B).

Next, the unitary building 2 is assembled by the connecting tool 1 as described above, particularly, the lower floor building unit 4 on the left side.
The procedure of installing the upper-floor building unit 6 on the above, installing the lower-floor building unit 5, and installing the upper-floor building unit 7 on the lower-floor building unit 5 will be described.

After the building units 4A and 4B constituting the lower floor building unit 4 are installed on the foundation 3, the first connecting member 21 is guided to the large and small guide pins 10 and 11 of these building units 4A and 4B. , Building units 4A and 4B. Then, guide the guide pins 10 and 11 to place the two upper floor building units 7 corresponding to the building units 4A and 4B on the building units 4A and 4B.
Both building units 4 and 7 are connected with a bolt 12.

Next, the building units 5A and 5B constituting the lower floor building unit 5 are arranged on the right side of the lower floor building unit 4, and the second connecting member 22 is arranged in the same size as above. Guide pins 10, 1
1 and guide it over the building units 5A and 5B. After this, move the building units 5A, 5B as appropriate,
The connecting portion 24 of the second connecting member 22 is connected to the first connecting member 21.
The connecting portion 23 of the second connecting member 22 and the protrusion 2 of the second connecting member 22.
4A is engaged with the fitting portion 23B of the hole 23A of the first connecting member 21. After the protrusion 24A and the fitting portion 23B of the hole 23A are tightly fitted, the bolt 26 is attached to the hole 2 of the first connecting member 21.
3A from the second connecting member 22 into the bolt hole 24B, and the nut 25 is screwed into the connecting member 21,
22 is connected. After that, two upper-floor building units 7 are installed on the building units 5A and 5B so as to correspond to them.

According to this embodiment, the following effects can be obtained. That is, the protrusion 24A of the second connecting member 22
Is the fitting portion 23 of the hole 23A in the first connecting member 21.
Since it is formed to fit in B, the projection 24A
When the fitting portion 23B and the fitting portion 23B are engaged with each other, the gap between the two portions 24A and 23B becomes extremely small, and the two portions 24A and 23B.
It is in a tightly fitted state in which it is in intimate contact over the entire circumference of. As a result, the positional accuracy of the building units 4 and 5 that are adjacent to each other in the horizontal direction is improved when the building units are combined with each other, and the lateral load between the connecting members is reliably transmitted after the unit type building 2 is constructed. Will be done in.

A second embodiment of the present invention is shown in FIGS. Building unit connector 3 in this embodiment
1 is formed by bending the connecting portions 23 and 24 of the first and second connecting members 21 and 22 in the connecting tool 1 of the first embodiment, and is formed without bending, for example, "Shino" or the like. It is formed with spaces 56 and 57 into which the pulling work tool 100 (see FIG. 5) is inserted. The same members as those in the first embodiment are designated by the same reference numerals, and the description of these structures will be omitted or simplified.

As shown in FIG. 4, the connector 3 of this embodiment is shown.
1 is also configured to include first and second connecting members 41 and 42 each having a rectangular shape in a plane. The first connecting member 41 is not shown, but the second connecting member 42 is the same across the lower floor building units 4A and 4B. It can be installed over the lower-floor building units 5A and 5B, respectively.

The tip of the first connecting member 41 (on the side of the second connecting member 42) is a notch 46, 46 which is notched in a square shape on both sides, leaving a horizontal projecting portion 45 in the center. As shown in FIG. 6, receiving members 47 and 48 formed to have substantially the same size as the cutouts 46 and 46 are fixed to the lower surfaces of the cutouts 46 and 46. On the side surfaces of these receiving members 47, 48, tongue pieces 49, 50 are left on the tip side, respectively, and vertically elongated notch portions 47A, 48A.
And a hole 23A having the fitting portion 23B is formed in the receiving members 47, 48. Here, the protrusion 45, the notches 46 on both sides, the receiving member 47,
The connecting portion 43 of the first connecting member 41 is composed of the 48, the hole 23A, and the nut 25.

As shown in FIG. 4, the tip of the second connecting member 42 (on the side of the first connecting member 41) has a protruding portion 52 whose both sides protrude, leaving a rectangular recess 51 in the central horizontal direction.
It is 53. Small notches 52A and 53A are formed inside the tips of the protrusions 52 and 53 on both sides, and vertically long notches 52B and 53B with the tongues 54 and 55 left outside the tips of the protrusions 52 and 53, respectively. Are formed.

Further, as shown in FIG. 6, the above-mentioned protrusion 24A is provided on the lower surfaces of the protrusions 52 and 53 on the tip side. Therefore, as shown in FIG.
When the protrusions 52, 53 on both sides of the first connecting member 41 are placed on the receiving members 47, 48 of the first connecting member 41, the tongues 54, 55 of the protrusions 52, 53 on both sides of the second connecting member 42, The portion surrounded by the tongue portions 49 and 50 of the first connecting member 41 is the first space 56 into which the approaching work tool 100 is inserted,
The small notches 52A and 53A and the receiving member 4
The space between the first and second terminals 48 and 57 is the second space 57. Furthermore, in the cutout portions 52B and 53B of the second connecting member 42, the space between the tongue portions 49 and 50 of the first connecting member 41 and the distal end side is a third space 58.
Here, the recessed portion 51, the protruding portions 52, 53 on both sides,
The connecting portion 4 in the second connecting member 42 is formed by the protrusion 24 and the like.
4 are configured.

In this embodiment as well, in addition to the above-described actions and effects, when the second connecting member 42 is placed on the first connecting member 41, a pulling tool such as a lever is provided. Since the first and second spaces 56 and 57 for inserting 100 are provided, the work tools 100 are brought close to these spaces 56 and 57.
By inserting, the first and second connecting members 41, 42 can be easily brought close to each other. Therefore, even if the left and right building units 4, 5 and the like are placed with some error, both units 4, 5
It is possible to add the effect of easily connecting the like.

The present invention is not limited to the above-described embodiments, but includes the following modifications as long as the object of the present invention can be achieved. For example, in each of the above-described embodiments, the holes 23A are formed on the first connecting members 21 and 41 side.
Although the projections 24A are provided on the second connecting members 22 and 42 side, respectively, these may be reversed, and the projections 24A may be provided on the first connecting member 21 and 41 sides and the second connecting members 22 and 42 may be provided. You may provide the hole 23A in the side.

Further, although the projection 24A is formed by embossing in each of the above-described embodiments, the invention is not limited to this, and it may be, for example, a projection by burring or a projection by machining. In short, it is sufficient if it can be closely fitted with the hole of the other party.

[0027]

As described above, according to the connecting tool for a building unit of the present invention, the first connecting member and the second connecting member have the holes and the projections provided in the respective connecting portions. Since the gaps between these holes and the protrusions are extremely small, and the holes and the protrusions are tightly fitted together over the entire circumference, the building units are combined together. Therefore, when the connecting members are connected, the positional accuracy between the building units that are adjacent to each other in the horizontal direction is improved, and after the unit type building is constructed, the lateral load is reliably transmitted in each connecting member.

Further, in the connecting tool of this building unit, the first and second connecting members are formed with a space for inserting the approaching tool used when the connecting members are stacked, so that the approaching tool is within the space. The connecting members can be easily brought close to each other, so that the left and right lower-floor building units can be easily connected even if they are arranged with a slight error.

[Brief description of drawings]

FIG. 1 is an overall view showing a unit-type building using a connecting tool of a building unit according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a vertical cross-sectional view showing a main part of the first embodiment,
(A) is before connecting the first and second connecting members, (B) is the first,
This is a state in which the two connecting members are connected.

FIG. 4 is a perspective view showing a connecting tool of a building unit according to a second embodiment of the present invention.

FIG. 5 is a plan view showing a state where the first and second connecting members in the second embodiment are connected.

6 is a sectional view taken along line VI-VI in FIG.

[Explanation of symbols]

 1,31 Building unit connecting tool 4 Lower floor building unit on one side 5 Lower floor building unit on other side 6 Upper floor building unit on one side 7 Upper floor building unit on other side 21,41 First connecting member 22, 42 second connecting member 23,43 connecting portion of first connecting member 24,44 connecting portion of second connecting member 56 first space 57 second space

Claims (3)

[Claims] 1. A first connecting member mounted between building units on the upper and lower floors on one of the left and right sides adjacent to each other in the horizontal direction, and a connecting portion protruding, and a building on the upper and lower floors on the other side on the left and right in the horizontal direction. A connecting member of a building unit, comprising: a second connecting member that is mounted between units and has a protruding connecting portion; and the connecting portions are overlapped with each other and the connecting portions are connected by a connecting tool. A connecting tool for a building unit, characterized in that a hole is provided in the connecting portion of the connecting member, and a protrusion is provided in the connecting portion of the second connecting member so that the hole and the protrusion are closely fitted. 2. The connector for a building unit according to claim 1, wherein the protrusion is formed by embossing. 3. The connecting tool for a building unit according to claim 1 or 2, wherein the first and second connecting members are formed with a space for inserting an approaching work tool used when these connecting members are stacked. A connecting tool for a building unit, which is characterized in that