JP3438588B2 - Connection structure and connection method for the outer periphery of a unit building - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer peripheral portion connecting structure and a connecting method of a unit type building for connecting a lower floor unit and an upper floor unit at outer peripheral portions of both units.

[0002]

2. Description of the Related Art Generally, a unit-type building is constructed by connecting a plurality of units to the left, right, up and down. In this type of unit-type building, when the lower floor unit and the upper floor unit are connected to each other at their outer peripheral portions, a method described below has been conventionally used.

FIG. 5 shows a schematic plan view of the second floor portion of the unit house 100, and FIG. 6 shows an enlarged plan view of the projecting corner of the unit house 100. Further, FIG. A vertical cross-sectional view at the projected corner is shown.

As shown in these figures (in particular, FIG. 7), both the ceiling girders 104 of the lower floor unit 102 and the floor girders 108 of the upper floor unit 106 are made of grooved steel. The longitudinal end of the floor girder 108 of the upper floor unit 106 is fixed to the side surface of the lower end of the pillar (post) 110, and the longitudinal end of the ceiling girder 104 of the lower floor unit 102 is the upper end of the pillar. It is fixed to the side of the section. The upper flange 104A of the ceiling girder 104 and the lower flange 108A of the floor girder 108 are connected to each other by a connecting bolt 114 and a connecting nut 116 via a spacer 112 at a position near the column 110. As a result, the lower floor unit 102 and the upper floor unit 106 are vertically connected.

By the way, when adopting the above-mentioned connecting structure and connecting method, the lower floor unit 102 and the upper floor unit 1
Since the outer wall panel 118 is assembled in advance at the factory in 06, the connecting bolt 114 and the connecting nut 11
The connection work by 6 will be performed from the inside of the living room.
Therefore, the following problems occur. First, in order to secure a working space, a part of the floor board 120 of the upper floor unit 106 must be cut out in advance, and another floor board 122 must be locally attached to the cut out portion. The shaded portion in FIG. 5 is the portion where the floorboard 122 is locally attached.

Further, as described above, the number of parts to which the floor board 122 is locally attached increases, so that the kitchen unit 1
So-called box members such as 24, the unit bath 126, and the close-in unit 128 must be installed locally.

For these reasons, when the above-described connecting structure and connecting method are adopted, there is a problem that the site work increases. In addition, there are problems that productivity is reduced due to complication of production instructions, and that physical distribution system is complicated and physical distribution is reduced.

In view of the above facts, it is an object of the present invention to obtain an outer peripheral part connecting structure and a connecting method for a unit type building which can reduce the site work and improve the productivity and the physical distribution. .

[0009]

According to a first aspect of the present invention, there is provided a lower floor side pillar arranged at a predetermined position on the outer peripheral portion and a longitudinal end portion on the side of the upper end portion of the pillar toward the living room. To fix the fixed lower floor side ceiling girder and the inner end of the outer wall frame to the outer surface of the ceiling girder by a fixing means.
A lower floor unit configured to include a lower floor outer wall material that is attached to the outer wall frame and has a gap corresponding to the width of the outer wall frame formed between the ceiling girder and the outer wall portion, The upper-floor-side pillar placed at a predetermined position, the upper-floor-side floor girder whose longitudinal end is fixed to the side of the lower end of the pillar to the inside of the living room, and the inner side of the floor girder .
Installed by fixing the ends with fixing means.
In the assembled state, a gap corresponding to the width of the outer wall frame is formed between the floor girder and the lower edge of the outer wall is offset by a predetermined distance above the lower end surface of the column. A unit for connecting an upper floor unit configured to include an upper floor outer wall member having a predetermined gap formed between the upper floor outer wall member and an upper edge of the lower floor outer wall member at an outer peripheral portion of both members. A plate-like structure having an outer peripheral connection structure of a type building, in which the projecting portion is provided in the gap between the lower floor ceiling girder and the lower floor outer wall material at the upper end of the lower floor pillar of the lower floor unit. A plate-like member having the lower base member of the upper floor fixed thereto and the projecting portion in the gap between the upper floor girder and the outer wall material of the upper floor at the lower end of the upper pillar of the upper unit. Secure the upper floor side base member to the lower floor base member and the upper floor base member. Using the gap between the lower edge of the upper edge and the upper floor outer wall member of the gap and the lower floor outer wall member between the lower floor and outer wall member and lower floor side ceiling girder, from outside of the unit, under both the upper axial relative projecting portion of the Kaigawa base member
Lower end of connecting bolt with external thread formed on the outer peripheral surface of the end
After inserting, connect the lower floor side connection nut from the bottom to the lower end.
Also, by screwing, the upper end of the connecting bolt is inserted from below to the protruding portion of the upper floor side base member, and
From above, screw the upper connection nut to the upper end.
Thus , the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit are connected.

[0010]

According to a second aspect of the present invention, a lower-floor-side pillar disposed at a predetermined position on the outer peripheral portion, and a lower-floor side having a longitudinal end fixed to a living room side on the side surface of the upper end of the pillar. The ceiling girder and the inner end of the outer wall frame on the outer surface of the ceiling girder
And a lower floor side outer wall member in which a gap corresponding to the width of the outer wall frame is formed between the ceiling girder and the ceiling girder. A lower-floor unit, an upper-floor-side pillar arranged at a predetermined position on the outer periphery, and an upper-floor-side floor girder whose longitudinal end is fixed to the inside of the living room on the side surface of the lower end of the pillar. , The inner edge of the outer wall frame on the outer surface of the floor girder.
When mounted by being fixed by the fixing means, a gap corresponding to the width of the outer wall frame is formed between the floor girder and the lower edge of the outer wall at the lower end surface of the column in the state after assembly. An upper floor outer wall material in which a predetermined gap is formed between the upper edge of the lower floor outer wall material and the upper edge of the lower floor outer wall material by being offset by a predetermined distance above the upper floor unit, and Is a method for connecting the outer peripheral portion of a unit-type building to connect the outer peripheral portions of the two, the plate-shaped lower floor base fixed to the upper end of the lower floor side pillar after the lower floor unit is installed. In the member, the lower end of the connecting bolt with male threads formed on the outer peripheral surfaces of both axial ends is inserted into the overhanging portion that projects into the gap between the lower-level ceiling girder and the lower-floor outer wall material. Then, the lower floor side connection nut is screwed to the lower end portion of the first And the plate-shaped upper-floor-side base member fixed to the lower end of the upper-floor-side pillar, to the overhanging portion that projects in the gap between the upper-floor-side floor girder and the upper-floor-side outer wall material. Between the second step of installing the upper floor unit on the lower floor unit so that the upper end of the connecting bolt is inserted, and the upper edge of the lower floor outer wall material and the lower edge of the upper floor outer wall material. And a third step of screwing the upper-level side connecting nut to the upper end portion of the connecting bolt through the gap.

The operation of the present invention according to claim 1 will be described below through the assembly procedure for connecting the lower floor unit and the upper floor unit.

First, a lower-floor-side pillar arranged at a predetermined position on the outer peripheral portion, a lower-floor-side ceiling girder whose longitudinal end is fixed to the side of the upper end of the pillar on the inside of the living room, and the ceiling girder. The inner end of the outer wall frame is fixed to the outer surface of the
A lower floor unit configured by including a lower floor side outer wall material which is attached by fixing and a gap corresponding to the width of the outer wall frame is formed between the ceiling girder in a state after assembly, and Installed. After installation of the lower floor unit, the projecting part of the plate-shaped lower floor base member that is fixed to the upper end of the lower floor pillar is the gap between the lower floor ceiling girder and the lower floor outer wall material. Is overhanging.

Next, the upper floor unit is installed on the lower floor unit. This upper-floor unit, upper-floor side pillars arranged at predetermined positions on the outer periphery, and upper-floor floor girders whose longitudinal end is fixed to the living room interior side on the side surface of the lower end of the pillar,
Means for fixing the inner end of the outer wall frame to the outer surface of the floor girder
It is attached by being fixed by, and in the state after assembly, a gap corresponding to the width of the outer wall frame is formed between the floor girder and the lower edge of the outer wall is a predetermined distance above the lower end surface of the column. And an upper floor outer wall material in which a predetermined gap is formed between the lower floor outer wall material and the upper edge of the lower floor outer wall material, and further, at the lower end of the upper floor pillar. Since a plate-shaped upper base member with a bulge is fixed in the gap between the upper floor girder and the outer wall material of the upper floor, the upper base member is lowered during installation. The floor-side base member is installed while being positioned so as to be overlapped in a plan view.

When the upper floor unit is installed on the lower floor unit, the lower edge of the upper outer wall is offset by a predetermined distance above the lower end surface of the upper floor pillar, so A predetermined gap is formed between the upper edge of the outer wall and the lower edge of the upper floor side outer wall. Further, as described above, the outer wall of the lower unit on the lower floor side is fixed by the outer wall frame and the fixing means.
When fixed to the outer surface of the lower floor ceiling girder, a gap corresponding to the width of the outer wall frame is also formed between the lower floor outer wall and the lower floor ceiling girder. Furthermore, when the upper-floor outer wall of the upper-floor unit is fixed to the outer surface of the upper-floor floor girder by the outer-wall frame and the fixing means, a gap corresponding to the width of the outer-floor frame is provided on the upper-floor outer wall. It is also formed between and the upper floor side girder.

Then, next, by utilizing these gaps,
The extension part of the lower floor side base member and the extension part of the upper floor side base member are connected to each other from outside the unit (that is, outside the outer wall).
And the lower floor side connection nut and the upper floor side connection nut . Specifically, for the projecting portion of the lower floor side base member , male threads are formed on the outer peripheral surface of both ends in the axial direction from above.
After inserting the lower end of the
Then, the lower floor side connection nut is screwed to the lower end. Also,
For overhanging portion of the upper floor side base member, connecting ball from below
After inserting the upper end of the
Screw the upper floor side connection nut to the section. As a result, the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit are connected.

As described above, according to the present invention, the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit can be connected by the operation from the outside of the unit. Therefore, it is not necessary to secure a working space inside the unit (that is, inside the living room). Therefore, a part of the floor plate of the upper floor unit may be cut out in advance, and another floor plate may be locally attached to the cut out part, or a part of the ceiling plate of the lower floor unit may be cut in advance. It is possible to assemble (attach to the factory) the floorboard or the entire ceiling board during the factory production process without the need to make a cutout and attach another ceiling board locally to the cutout part. Become. As a result, so-called box members such as a kitchen unit, a unit bath, and a closet unit can be assembled in advance at the factory. Further, in the present invention, the connecting bolt is inserted into the projecting portion of the lower floor side base member from above and the lower floor connecting nut is screwed from below . Also, for the overhanging part of the upper floor side base member,
Connecting bolts are inserted from below, and from the top to the upper floor
The side connecting nut is screwed. In this way, it is exclusively the lower floor connection nut that is used to work with the hand inserted through the gap.
It is the work of screwing the upper and upper floor side connection nuts .

[0018]

As described above, according to the present invention, since the connecting bolt can be inserted from the upper side of the lower floor side base member, it is generally from the outer wall upper edge of the outer wall frame fixed to the back surface of the lower floor outer wall member. It is not necessary to set a particularly large offset amount, and the offset amount can be set as usual. The same applies to the outer wall material on the upper floor side. That is, for example, use a normal bolt as a connecting bolt,
When this is inserted from the lower side of the lower floor side base member and the nut is tightened, the offset amount from the outer wall upper edge of the outer wall frame is at least "axial length of connecting bolt + α
(Margin) ”is required. However, according to the invention,
Since the connecting bolt can be inserted from the upper side of the lower floor side base member, it is not necessary to change the offset amount.

According to the second aspect of the present invention, in the first step, after the lower floor unit is installed, the lower floor side base member fixed to the upper end of the lower floor side pillar is attached to the lower floor side base member. The lower end of the connecting bolt, which has male threads formed on the outer peripheral surfaces of both axial ends, is inserted into the overhanging portion that projects into the gap between the ceiling girder and the outer wall material on the lower floor side. The lower floor side connection nut is screwed.

Next, in the second step, the upper floor unit is installed on the lower floor unit. At this time, in the plate-shaped upper floor side base member fixed to the lower end of the upper floor side pillar, in the overhanging portion that has been overhanged in the gap between the upper floor floor girder and the upper floor outer wall material, The upper floor unit is installed on the lower floor unit while being positioned such that the upper ends of the connecting bolts that are vertically inserted into the lower floor base member are inserted.

Next, in the third step, from the gap between the upper edge of the lower floor side outer wall material and the lower edge of the upper floor side outer wall material, that is, from the outside of the unit (outside the outer wall), the upper floor side base. The upper connection nut is screwed onto the upper end of the connection bolt that penetrates the member.
As a result, the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit are connected.

As described above, according to the present invention, it is possible to connect the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit by an operation from outside the unit. For this reason, it is not necessary to secure a working space inside the unit (that is, inside the living room), and the same operation as that of the above-described invention of claim 1 (all floor boards or ceiling boards are assembled in a factory production process). In addition, so-called box members such as a kitchen unit, a unit bath, and a closet unit can be attached to the unit in advance at the factory).

Further, in the present invention, since the connecting bolts having the male threads formed on the outer peripheral surfaces of both axial ends are used, the connecting bolts can be inserted from the upper side of the lower floor side base member. Therefore, workability is improved as compared with the case where the connecting bolt is inserted from the lower side of the lower floor side base member.

[0025]

BEST MODE FOR CARRYING OUT THE INVENTION An outer peripheral portion connecting structure and a connecting method for a unit type building according to an embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a perspective view showing a state immediately before installing the upper floor unit 12 on the lower floor unit 10, and FIG. 2 shows the lower floor unit 10 and the upper floor unit 12 connected to each other. FIG. 3 shows a vertical cross-sectional view of the closed state.
Shows an enlarged plan view of the projecting corner of the lower floor unit 10.

As shown in these figures, the lower-floor unit 10 is roughly composed of a lower-floor-side unit body 14 which is constructed as a rectangular parallelepiped frame structure and an outer portion of the lower-floor-side unit body 14. A lower floor side outer wall panel 16 arranged on the side surface to form a unit outer shell, a ceiling panel forming a unit ceiling surface, and a floor panel forming a unit floor surface;
It is composed by.

A supplementary explanation of the lower floor unit body 14 will be made. The lower floor unit body 14 has a lower floor pillar 18 made of a steel pipe pillar that is erected at a predetermined position on the outer peripheral portion, and adjacent lower floor pillars 18. Lower ceiling girder 20 made of grooved steel that is bridged between the side surfaces of the upper end of the lower floor, and lower floor girder made of grooved steel that is bridged between the side surfaces of the lower end of the lower floor pillar 18 (illustrated) (Omitted) and are included.

The flange width of the lower-floor ceiling girder 20 is set to be approximately half the widthwise dimension of the lower-floor pillar 18, and the longitudinal end thereof is the upper end of the lower-floor pillar 18. It is fixed to the inside of the living room on the side of the section. Further, a plate (backing metal) 22 having an L-shaped cross section for welding a large beam is provided inside the longitudinal end portion of the lower floor side ceiling girder 20 (from the lower flange 20A to the web 20B). The above-mentioned configuration is the same for the lower floor-side floor girder (not shown).

A supplementary explanation of the lower floor side outer wall panel 16 will be described. The lower floor side outer wall panel 16 is fixed to the rectangular lower floor side outer wall material 24 and the upper edge side and the lower edge side of the back surface of the lower floor side outer wall material 24, respectively. The lower floor outer wall frame 26 having a substantially U-shaped cross section and a lower floor stud arranged at a predetermined position on the back surface side of the lower floor outer wall material 24 with the height direction of the lower floor outer wall material 24 as the longitudinal direction. (Not shown) is included.
A fixed gasket 30 (see FIG. 3) is fitted in the vertical joint between the adjacent lower floor side outer wall members 24.

In the lower-floor outer wall panel 16, the inner end portion 26A of the lower-floor outer wall frame 26 on the upper edge side has the lower-floor ceiling girder 20.
20B of the lower floor and the inner end of the outer wall frame on the lower edge side is fixed to the web of the lower floor girder by fixing means such as bolts and nuts. It is attached to the outside of the girder.
When the lower floor outer wall panel 16 is assembled, a gap 32 corresponding to the width of the lower floor outer wall frame 26 is formed between the lower floor outer wall material 24 and the lower floor ceiling girder 20.

On the other hand, the upper floor unit 12 is basically constructed in the same manner as the lower floor unit 10. Briefly described, the upper floor unit 12 is also generally configured as an upper floor unit body 34 configured as a rectangular parallelepiped frame structure.
And an upper-floor outer wall panel 36 that is disposed on the outer surface of the upper-floor-side unit body 34 to form a unit outer shell, a ceiling panel that forms a unit ceiling surface, and a floor panel that forms a unit floor surface. It is configured.

The upper-floor-side unit frame 34 is hung between the upper-floor-side pillars 38, which are steel pipe pillars erected at predetermined positions on the outer peripheral portion, and the side surfaces of the upper ends of the adjacent upper-floor-side pillars 38. Upper floor ceiling girder (not shown) made of channel steel and upper floor side pillar 3
8 and the upper floor side girder 40 made of grooved steel that is bridged between the side surfaces of the lower end portion of No. 8.

The flange width of the upper floor side girder 40 is set to approximately half the widthwise dimension of the upper floor side pillar 38, and the longitudinal end thereof is the lower end of the upper floor side pillar 38. It is fixed to the inside of the living room on the side of the section. Further, the inside of the longitudinal end portion of the upper floor side girder 40 (the upper flange 40
A plate (back metal) 42 having an L-shaped cross section for welding the cross beam is disposed on the web A to the web 40B. In addition, the above-mentioned structure is the same for an upper floor-side ceiling girder (not shown).

The upper-floor outer wall panel 36 is a rectangular upper-floor outer wall material 44 and an upper-floor outer wall having a substantially U-shaped cross section fixed to the upper edge side and the lower edge side of the back surface of the upper-floor outer wall material 44, respectively. It is configured to include a frame 46 and an upper floor side stud 48 arranged at a predetermined position on the back surface side of the upper floor outer wall material 44 with the height direction of the upper floor outer wall material 44 as a longitudinal direction. A base material 50 (see FIG. 2) is arranged between the cutout portion on the lower end side of the upper floor stud 48 and the upper flange 40A of the upper floor girder 40.

The lower edge of the upper floor outer wall material 44 is offset by a predetermined distance above the lower end surface of the upper floor pillar 38. Therefore, in the state where the upper floor unit 12 is installed on the lower floor unit 10, the lower floor outer wall material 24
A predetermined gap 5 is provided between the upper edge and the lower edge of the upper floor side outer wall material 44.
2 are formed (see FIG. 2).

In the upper floor outer wall panel 36, the inner edge of the outer wall frame on the upper edge side is the web of the ceiling girder on the upper floor, and the inner edge 46A of the upper floor outer wall frame 46 on the lower edge is the upper floor. It is attached to the outer surface of the upper floor ceiling girder and the upper floor floor girder 40 by being fixed to the web 40B of the girder 40 by fixing means such as bolts and nuts.
In the state where the upper floor outer wall panel 36 is assembled, a gap 54 corresponding to the width of the upper floor outer wall frame 46 is formed between the upper floor outer wall material 44 and the upper floor girder 40.

A lower base plate 56 having a substantially hook shape in a plan view is fixed to the upper end of the lower pillar 18 described above, and the lower base plate 56 is further mounted on the lower base plate 56. A docking plate 58 having substantially the same shape as 56 is mounted. In this embodiment,
Due to the illustrated relationship between the projecting corners of the unit housing, the original function of the docking plate 58 (the function of connecting the units adjacent to each other on the left and right) is not shown in the drawing.

The lower floor side base plate 56 and the docking plate 58 are extended from the lower floor side pillar 18 to the lower floor side ceiling girder 20, and a part of them extends to the lower floor side outer wall material 24. Overhanging portions 56A and 58A extend in the gap 32 between the lower-level ceiling girder 20. The overhanging portion 56A of the lower floor side base plate 56 is formed thicker than the upper portion of the ceiling girder 20 from the viewpoint of securing strength against wind and earthquake loads.

The extending ends of the lower floor side base plate 56 and the docking plate 58 have cutouts 60, 6 each having a substantially semicircular shape.
2 are formed, and bolt insertion holes 64 and 66 are formed in the overhang portions 56A and 58A, respectively. Bolt insertion hole 64 formed in the lower base plate 56
Has a smaller diameter than the bolt insertion hole 66 formed in the docking plate 58.

In addition, a stacking pin 68 penetrating the docking plate 58 is erected at a predetermined position on the lower floor side base plate 56, and the docking plate 5 is also provided.
The stacking pin 70 is also provided upright at the position corresponding to the projected corner of 8.

On the other hand, an upper floor side base plate 72 having a substantially hook shape in a plan view is also fixed to the lower end portion of the upper floor side pillar 38. The upper-floor side base plate 72 extends from the upper-floor side pillar 38 so as to straddle the upper-floor side floor girder 40, and a part thereof is between the upper-floor outer wall material 44 and the upper-floor floor girder 40. Gap 5
4 extends as an overhanging portion 72A. This overhang 7
2A also has a bolt insertion hole 74 formed coaxially with the above-described bolt insertion hole 64 and having a diameter smaller than this, and is formed thicker than the general portion from the viewpoint of securing strength against lateral load due to wind or earthquake. There is.

The lower floor base plate 56 and the upper floor base plate 72 described above are connected by a fastener 76 with a docking plate 58 interposed therebetween.
In that sense, the fastener 76 is an element that is understood as a connector or a connecting means in a broad sense.

As shown in FIG. 4, the fastener 76 is a connecting bolt 78 having male threads formed on the outer peripheral surfaces of both ends in the axial direction, and is screwed to the lower end of the connecting bolt 78 via a washer 80. The lower floor side coupling nut 82 and the upper floor side coupling nut 86 screwed to the upper end portion of the coupling bolt 78 via the washer 84.

A disk-shaped flange portion 78A which is fitted into the bolt insertion hole 66 of the docking plate 58 is formed in the axially intermediate portion of the connecting bolt 78. The outer diameter of the flange portion 78A is set to be larger than the inner diameters of the bolt insertion hole 64 of the lower floor side base plate 56 and the bolt insertion hole 74 of the upper floor side base plate 72, and the bolt insertion hole 6 of the docking plate 58.
6 is set to be substantially equal to the inner diameter dimension. In addition, the thickness of the flange portion 78A substantially matches the thickness of the docking plate 58.

Further, a holding portion 78B whose outer peripheral surface is knurled is formed above the flange portion 78A of the connecting bolt 78.

Next, a procedure for assembling the outer peripheral portion of the lower floor unit 10 and the outer peripheral portion of the upper floor unit 12 will be described, and the operation and effect of the present embodiment will be referred to through the description.

First, the lower floor unit 10 is installed on a foundation (not shown). When the lower floor unit 10 is installed, the overhanging portion 56A of the lower floor side base plate 56 fixed to the upper end of the lower floor side pillar 18 has a lower floor ceiling girder 2.
0 and an outer wall member 24 on the lower floor side are projected in a gap 32. Next, the docking plate 58 is placed on the lower base plate 56. This state is the state shown in FIG. Next, the overhanging portion 5 of the docking plate 58
8A and the bolt insertion hole 6 formed in the overhang portion 56A of the lower floor side base plate 56.
The lower end of the connecting bolt 78 is inserted into the connector 4. A flange portion 78A is formed at an intermediate portion in the axial direction of the connecting bolt 78, and the outer diameter dimension of the flange portion 78A is set to be larger than the inner diameter dimension of the bolt insertion hole 64 and substantially equal to the inner diameter dimension of the bolt insertion hole 66. Therefore, the flange 78
A is locked by coming into contact with the peripheral portion of the bolt insertion hole 64 of the overhang portion 56A of the lower floor side base plate 56.
It should be noted that this step corresponds to the "first step" of the present invention according to claim 3.

Next, the lower floor side connecting nut 82 is screwed into the lower end portion (penetrating end portion) of the connecting bolt 78 via the washer 80. This work is carried out from a gap 32 between the lower floor side ceiling girder 20 and the upper edge of the lower floor side outer wall member 24, that is, from outside the unit (outside the outer wall), with a tool (hexagon wrench) not shown.
Is done using. Also, when tightening the lower floor side connection nut 82 using a tool, another tool is used to connect the connection bolt 78.
The holding portion 78B of is firmly grasped. Note that this step also corresponds to the "first step" of the present invention according to claim 3.

In FIG. 1, the connecting bolts 78 are attached at two positions on a diagonal line. However, depending on the unit size, whether the connecting bolts 78 should be two or one. Can be decided

Next, the upper floor unit 12 is installed on the lower floor unit 10. At this time, the protruding portion 72 of the upper base plate 72 fixed to the lower end of the upper pillar 38.
The upper floor unit 12 is installed on the lower floor unit 10 while being positioned so that the upper end portion of the connecting bolt 78 that is already screwed into the lower floor side base plate 56 and is in the upright state is relatively inserted in A. To be In addition, this process
This corresponds to the "second step" of the present invention according to claim 3.

Next, from the gap 52 between the upper edge of the lower floor side outer wall material 24 and the lower edge of the upper floor side outer wall material 44, that is, from outside the unit (outside the outer wall), the bolt of the upper floor side base plate 72. An upper floor side connection nut 86 is screwed onto an upper end portion of the connection bolt 78 penetrating the insertion hole 74 via a washer 84. As a result, the outer peripheral portion of the lower floor unit 10 and the outer peripheral portion of the upper floor unit 12 are connected. In addition, this process
This corresponds to the "third step" of the present invention according to claim 3.

After that, the clearance 52 between the upper edge of the lower floor outer wall material 24 and the lower edge of the upper floor outer wall material 44 is processed.
Specifically, after attaching a waterproof sheet (not shown) from the lower edge of the back surface of the upper floor outer wall material 44 to the upper edge of the front surface of the lower floor outer wall material 24, the makeup insert is attached.

As described above, in the present embodiment, the outer peripheral portion of the lower floor unit 10 and the outer peripheral portion of the upper floor unit 12 can be connected by the work from the outside of the unit. Therefore, it is not necessary to secure a working space inside the unit (that is, inside the living room). Therefore, the upper unit 12
Is partially cut out in advance, and another floor plate is locally attached to the cutout portion, or a part of the ceiling plate of the lower floor unit 10 is cut out in advance. , It is not necessary to attach another ceiling board to the cutout part locally in the upward direction, and it is possible to assemble (attach to the factory) all of the floor board or ceiling board in the factory production process. Become. Therefore, the kitchen unit,
So-called box-shaped members such as a unit bath and a close-in unit can be attached to the unit in advance at the factory. As a result, according to the present embodiment, it is possible to reduce on-site work and improve productivity and logistics.

As described above, according to this embodiment,
Since the on-site work can be reduced, the construction period can be shortened. Further, since the floor plate, the ceiling plate, the box member, etc. can be attached to the factory, the unit quality can be made uniform.

Further, in this embodiment, since the connecting bolt 78 which is a special bolt having both screws cut is used, the connecting bolt 78 can be inserted from the upper side of the lower floor side base plate 56. Therefore, the offset amount H from the upper edge of the lower floor outer wall material 24 fixed to the upper edge side of the back surface of the lower floor outer wall material 24 (see FIG. 2).
Does not need to be set to a particularly large value, and the offset amount can be set as usual. The same applies to the upper-floor outer wall frame 46 of the upper-floor outer wall panel 36.

That is, for example, when a normal bolt is used as the connecting bolt, the bolt is inserted from the lower side of the lower floor base plate 56 and the nut is tightened from above the upper floor base plate 72, the lower floor is used. The offset amount H from the upper edge of the lower floor side outer wall material 24 of the side outer wall frame 26 needs to be at least about “the axial length of the connecting bolt + α (margin)”. However, according to the present embodiment, since the connecting bolt 78 can be inserted from the upper side of the lower floor side base plate 56, it is not necessary to change the offset amount H.
Therefore, there is no need to change the design of the lower floor side outer wall frame 26 and the upper floor side outer wall frame 46, the parts can be made common, and the cost can be reduced.

Further, according to the present embodiment, as described above, the connecting bolt 78 can be inserted from the upper side of the lower floor side base plate 56, so that the connecting bolt is inserted from the lower side of the lower floor base plate 56. Compared to the case
Workability can be improved. In addition, the connecting bolt 78 of the present embodiment is knurled to make it easier to tighten the lower connection nut 82.
Since 8B is formed, workability can be improved in this respect as well, and a tightening torque shortage can be prevented.

[0059]

[0060] In the present embodiment, although using the special bolted bolts 78 and fastener consisting of lower floor side connecting nut 82 and the upper floor side connecting nut 86, claim 2
In the relationship with the present invention described, in place of the structure in which an independent lower floor side connection nut 82 is screwed to the lower end portion of the coupling bolt 78, the bolt insertion hole 64 of the overhang portion 56A of the lower floor side base plate 56 is replaced. A configuration may be adopted in which a weld nut is welded in advance around the periphery and the lower end portion of the connecting bolt 78 is screwed into the weld nut.

Further, the lower floor side connecting nut 82 and the washer 80, and the upper floor side connecting nut 86 and the washer 84 may be integrated respectively.

Further, although the present invention is applied to the connection of the outer peripheral portion of the unit house in the present embodiment, the present invention is not limited to this, and the present invention can be applied to all the connection of the outer peripheral portion of the unit type building. is there.

[0063]

As described above, the outer peripheral connecting structure of the unit type building according to the present invention according to claim 1 has a lower floor ceiling girder and a lower floor at the upper end of the lower pillar of the lower floor unit. The plate-shaped lower floor side base member having an overhang is fixed in the gap between the outer side wall material and the upper floor side girder and upper floor side at the lower end of the upper floor side pillar of the upper floor unit. A plate-like upper base member having an overhang is fixed in a gap between the outer wall member and the lower base member and the upper base member. using a gap between the lower edge of the upper edge and the upper floor outer wall member of the gap and the lower floor outer wall material between the outer wall member and the lower floor side ceiling girder, from outside of the unit, the lower floor side base member out from above for the overhang portion of the opposing axial ends of the
Insert the lower end of the connecting bolt, which has a male thread on its peripheral surface.
After that, screw the lower floor side connection nut from the bottom to the lower end.
As a result, the upper end of the connecting bolt is inserted into the overhanging portion of the upper floor side base member from below, and then the upper portion of the connecting bolt is applied from above.
By screwing the upper connection nut on the upper end ,
Since the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit are connected, there is an excellent effect that it is possible to reduce on-site work and improve productivity and physical distribution. In addition, according to the outer peripheral portion connecting structure of the unit type building according to the present invention as set forth in claim 1, there is no need to change the design of the outer wall frame, and there is an excellent effect that it can contribute to cost reduction.

[0064]

According to a second aspect of the present invention, there is provided a method for connecting an outer peripheral portion of a unit-type building, which comprises:
In the plate-shaped lower-floor side base member fixed to the upper end of the lower-floor side pillar, the both ends in the axial direction are extended to the overhanging portion that is projected in the gap between the lower-floor ceiling girder and the lower-floor outer wall material. The first step of inserting the lower end of the connecting bolt having the external thread formed on the outer peripheral surface of the portion and screwing the lower connecting nut to the lower end, and the plate fixed to the lower end of the upper pillar The upper unit is lowered so that the upper end of the connecting bolt is inserted into the overhanging portion that overhangs in the gap between the upper floor girder and the upper outer wall material in the upper base member in the shape of a circle. Second step of installing on the floor unit, and screwing the upper connection nut to the upper end of the connection bolt from the gap between the upper edge of the lower outer wall material and the lower edge of the upper outer wall material Since it has 3 steps and
This has an excellent effect that it is possible to reduce the work on site, improve the productivity and the physical distribution, and further improve the workability.

[Brief description of drawings]

FIG. 1 is a view for explaining an outer peripheral portion connecting structure and a connecting method of a unit type building according to the present embodiment, and is a perspective view showing a state immediately before installing an upper floor unit on a lower floor unit.

FIG. 2 is a vertical cross-sectional view showing a state in which an outer peripheral portion of a lower floor unit and an outer peripheral portion of an upper floor unit are connected to each other.

FIG. 3 is an enlarged plan view of a projected corner portion of a lower floor unit.

FIG. 4 is a front view showing a fastener for connecting the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit.

FIG. 5 is a schematic plan view of a second floor portion of a unit house according to a conventional example.

FIG. 6 is an enlarged plan view of a projected corner portion (a portion viewed from a line 6) of the unit house shown in FIG.

FIG. 7 is a vertical cross-sectional view of the projected corner portion shown in FIG.
7 is a sectional view taken along line 7).

[Explanation of symbols]

10 Lower floor unit 12 Upper floor unit 18 Lower floor side pillar 20 Lower floor ceiling girder 24 Lower floor outer wall material 26 Lower floor outer wall frame 32 Gap 38 Upper floor pillar 40 Upper floor floor girder 44 Upper floor outer wall material 46 Lower floor outer wall frame 52 Gap 54 Gap 56 Lower base plate (lower base member) 56A Overhang 72 Upper upper base plate (Upper base member) 72A Overhang 76 Fastener 78 Connecting bolt 82 Under Floor connection nut 86 Upper floor connection nut

Claims (2)

(57) [Claims] 1. A lower-floor-side pillar disposed at a predetermined position on the outer periphery, a lower-floor-side ceiling girder whose longitudinal end is fixed to the side of the upper end of the pillar on the side of the living room, and the ceiling girder. The inner end of the outer wall frame is fixed to the outer surface of the
A lower floor unit configured to include a lower floor outer wall material formed between the ceiling girder and a gap corresponding to the width of the outer wall frame in a state after being attached by being assembled, An upper floor side pillar arranged at a predetermined position on the outer peripheral portion, an upper floor side girder whose longitudinal end is fixed to the inside of the living room on the side surface of the lower end of the pillar, and an outer wall on the outer surface of the floor girder. It can be removed by fixing the inner end of the frame with fixing means.
In the state of being attached and assembled, a gap corresponding to the width of the outer wall frame is formed between the floor girder and the lower edge of the outer wall is offset by a predetermined distance above the lower end surface of the column. For connecting an upper floor unit including an upper floor outer wall material with a predetermined gap formed between the upper floor outer wall material and the upper edge of the lower floor outer wall material at an outer peripheral portion of both. A plate having an outer peripheral connecting structure of a unit type building, wherein an upper portion of a lower-side pillar of a lower-floor unit is provided with an overhanging portion in the gap between the lower-level ceiling girder and the lower-floor outer wall material. Plate having a lower base member fixed in a fixed shape and having a projecting portion in the gap between the upper floor girder and the outer wall material at the lower end of the upper pillar of the upper unit The upper floor side base member in a fixed shape, and fix the overhanging portion of the lower floor base member and the upper floor side base member. The overhang is the gap between the outer wall material on the lower floor and the ceiling girder on the lower floor.
And the above-mentioned gap between the upper edge of the lower floor side outer wall material and the lower edge of the upper floor side outer wall material from the outside of the unit to the overhanging portion of the lower floor side base member in the axial direction from above . Outer peripheral surface of both ends
After inserting the lower end of the connecting bolt with the male screw formed on
From below, screw the lower floor side connection nut onto the lower end.
With respect to the projecting portion of the upper floor side base member, the upper end portion of the connecting bolt is inserted from below and then the upper portion from above.
The outer peripheral portion connecting structure of a unit type building, wherein the outer peripheral portion of the lower floor unit and the outer peripheral portion of the upper floor unit are connected by screwing an upper floor connecting nut to an end portion . 2. A lower-floor-side pillar disposed at a predetermined position on the outer periphery, a lower-floor-side ceiling girder whose longitudinal end is fixed to the side of the upper end of the pillar on the side of the living room, and the ceiling girder. The inner end of the outer wall frame is fixed to the outer surface of the
A lower floor unit configured to include a lower floor outer wall material formed between the ceiling girder and a gap corresponding to the width of the outer wall frame in a state after being attached by being assembled, An upper floor side pillar arranged at a predetermined position on the outer peripheral portion, an upper floor side girder whose longitudinal end is fixed to the inside of the living room on the side surface of the lower end of the pillar, and an outer wall on the outer surface of the floor girder. It can be removed by fixing the inner end of the frame with fixing means.
In the state of being attached and assembled, a gap corresponding to the width of the outer wall frame is formed between the floor girder and the lower edge of the outer wall is offset by a predetermined distance above the lower end surface of the column. For connecting an upper floor unit including an upper floor outer wall material with a predetermined gap formed between the upper floor outer wall material and the upper edge of the lower floor outer wall material at an outer peripheral portion of both. A method for connecting the outer periphery of a unit type building, wherein a lower floor ceiling girder and a lower floor outer wall are provided in a plate-shaped lower floor base member fixed to the upper ends of the lower floor columns after the lower floor unit is installed. Insert the lower end of the connecting bolt, in which the male screw is formed on the outer peripheral surface of both axial end portions, into the overhanging portion that is overhanged in the gap between the material and the lower connecting nut on the lower end. The first step of screwing together, and fixed to the lower end portion of the upper floor side pillar In the rate-like upper-floor-side base member, the upper floor of the connecting bolt is inserted into the overhanging portion projecting into the gap between the upper-floor floor girder and the upper-floor outer wall material. A second step of installing the unit on the lower floor unit, and connecting the upper floor to the upper end of the connecting bolt from the gap between the upper edge of the lower floor outer wall material and the lower edge of the upper floor outer wall material A third step of screwing a nut, and a method for connecting an outer peripheral portion of a unit-type building, comprising: