JP2023042259A - Joint width adjustment metal fitting, and construction method of hanging wall structure - Google Patents

Abstract

To provide a joint width adjustment metal fitting which can adjust a joint width of a lower joint of a hanging wall structure without removing an external facing material, and to provide a construction method of the hanging wall structure which uses the joint width adjustment metal fitting.SOLUTION: A joint width adjustment metal fitting 1 adjusts a width of a lower joint 4 formed between horizontal parts 32 of a hanging wall structure 2 formed by abutting the horizontal parts 32 with each other of two external facing materials 3a, 3b having a vertical part 31 formed by extending vertically, and the horizontal part 32 extending horizontally from a lower end of the vertical part 31. The joint width adjustment metal fitting 1 includes: a first member 5 fixed to a rear surface of the one external facing material 3a; a second member 6 fixed to a rear surface of the other external facing material 3b; and a connection member 7 for connecting the first member 5 and the second member 6 so as to be approaching/separated with each other. The connection member 7 can cancel the connection of the first member 5 and the second member 6 by operating from the lower joint 4.SELECTED DRAWING: Figure 1

Description

The present invention uses a joint width adjusting metal fitting for adjusting the joint width of a lower joint formed on the lower surface of a hanging wall-like structure formed by facing two exterior materials having an L-shaped cross section, and the joint width adjusting metal fitting. The present invention relates to a construction method for hanging hanging wall structures.

Conventionally, various structures have been proposed to fix the outer wall so that the joint width of the joint formed between adjacent exterior materials can be adjusted. It prevents the deterioration of the design due to aging and secures the performance of the sealing material.

For example, in the structure described in Patent Document 1, a metal fitting that fixes an exterior material is formed with a long hole in the horizontal direction, and a bolt fixed to the back surface of the exterior material slides through the long hole and is fixed. Thus, the exterior material can be adjusted in the in-plane direction, and the joint width of the joint adjacent to the exterior material can be adjusted.

Further, for example, in the structure described in Patent Document 2, the ends of plate metal fittings formed by bending the end portions are pressed against the slopes of the grooves respectively formed in the two adjacent exterior wall materials. When the plate metal fitting is displaced in the direction of the joint by rotating the bolt that secures the joint width are adjusting.

Japanese Unexamined Patent Application Publication No. 2001-27003 Japanese Patent Application Laid-Open No. 2004-300856

By the way, in a hanging wall-like structure in which two exterior materials having an L-shaped cross section are formed facing each other, a lower joint is formed on the lower surface. Since the hanging wall is formed with the inside closed, it is not possible to adjust the joint width by adjusting the fixed position of the exterior material from the inside. Since it is formed at a possible position, if it is too wide, the design will deteriorate.

Accordingly, the present invention provides a joint width adjusting metal fitting capable of adjusting the joint width of a lower joint of a hanging wall structure without removing the exterior material, and a hanging wall structure construction method using the joint width adjusting metal fitting. intended to

A first joint width adjusting metal fitting of the present invention comprises a vertical portion extending in the vertical direction and a horizontal portion extending horizontally from the lower end of the vertical portion. A joint width adjusting fitting for adjusting the width of a lower joint formed between the horizontal portions of the hanging wall to be formed, comprising: a first member fixed to the back surface of one of the exterior materials; A second member fixed to the back surface of the exterior material, and a connecting member connecting the first member and the second member so as to be able to approach and separate from each other, wherein the connecting member is operated from the lower joint. It is characterized in that the connection between the first member and the second member can be released.

In the second joint width adjusting fitting of the present invention, the first member is engaged with the back surface of the vertical portion of one of the exterior materials and is formed to extend toward the other exterior material. A screw hole is formed upward, and the second member is engaged with the back surface of the vertical portion of the other exterior material, is formed to extend toward the one exterior material, and overlaps the screw hole. An elongated hole is formed at a position in the direction of approaching and separating from the first member, and the connecting member is inserted into the elongated hole and screwed into the screw hole, and the head of the connecting member is attached to the lower joint. It is characterized by being a bolt that is arranged downwards towards.

In the third joint width adjusting metal fitting of the present invention, both side edges of the position where the long hole of the second member is formed are raised to guide the first member that is placed over the second member. It is characterized in that a part is formed.

The hanging wall structure construction method of the present invention has a vertical portion formed to extend in a vertical direction and a horizontal portion extending horizontally from the lower end of the vertical portion. The groove has one side of the exterior material that is locked and fixed to the first fixing bracket that hangs down from the beam, a vertical portion that extends in the vertical direction, and a horizontal portion that extends horizontally from the lower end of the vertical portion. , the other exterior material fixed by locking the locking groove formed on the back surface of the vertical part to the second fixing metal fitting hanging down from the beam, and a second or third joint width adjusting metal fitting. In the hanging wall structure construction method, the step of locking one end of the first member in a locking groove of the one exterior material to fix the first member to the one exterior material; a step of fixing the second member to the other exterior material by locking one end of the two members in the locking groove of the other exterior material; and fixing the one exterior material to which the first member is fixed. locking the locking groove to the first fixture; locking the locking groove of the other exterior material to which the second member is fixed to the second fixture; The connecting member is inserted through the lower joint between the horizontal portion of the outer covering material and the horizontal portion of the other exterior material, the connecting member is passed through the long hole of the second member, and the first member is connected. A step of screwing into the screw hole in a loose state; and a step of applying force to the one exterior material and the other exterior material in a direction toward or away from each other to adjust the joint width of the lower joint. and operating the connecting member from between the lower joints, tightening the connecting member into the screw hole, fixing the first member and the second member to each other, and fixing the joint width of the lower joint. and a step.

According to the first joint width adjustment fitting of the present invention, the first member and the second member are fixed to the back surfaces of the two exterior materials, and the first member and the second member can approach and separate from each other by the connecting member. This connecting member can be operated from the lower joint to release the connection. After adjusting the joint width of the lower joint by operating the connecting member to release the connection between the first member and the second member and adjusting the two exterior materials in the direction of approaching and separating, furthermore, the connecting member from the lower joint is operated to connect and fix the first member and the second member, the joint width can be adjusted by a simple operation from the outside without removing the exterior material.

According to the second joint width adjustment fitting of the present invention, the connecting member is a bolt, the connecting member is inserted into the long hole formed in the second member, screwed into the screw hole of the first member, and the connection Since the head of the member is arranged downward above the lower joint, when the fastening of the connecting member to the screw hole is loosened, the connecting member moves relatively to the long hole while being inserted into the long hole. Since the first member and the second member can move toward and away from each other, one exterior member to which the first member is fixed and the other exterior member to which the second member is fixed can be adjusted in the approaching and separating directions, and the joint width of the lower joint can be adjusted. In addition, by inserting a tool such as a wrench from the lower joint and tightening the connecting member, the first member and the second member can be fixed and the joint width of the lower joint can be fixed, so the operation is easy. , the joint width of the lower joint can be adjusted and fixed.

According to the third joint width adjusting metal fitting of the present invention, on both side edges of the position where the long hole of the second member is formed, the rising portion that guides the first member that is arranged on top of the second member is formed. Therefore, with the first member locked to the back surface of one exterior material and the second member locked to the back surface of the other exterior material, each exterior material is fixed to a frame such as a beam. At this time, the rising portion serves as a guide, and the first member is arranged on top of the second member, so that the screw hole of the first member and the long hole of the second member are easily arranged so as to overlap each other. , the operation of inserting the connecting member into the long hole and screwing it into the screw hole can be facilitated.

According to the construction method of the hanging wall structure of the present invention, the first member is fixed to the locking groove formed on the back surface of one of the exterior materials, and the second member is fixed to the locking groove formed on the back surface of the other exterior material. After fixing, by locking the locking grooves of one exterior material and the other exterior material to the first fixing bracket and second fixing bracket hanging from the beam, respectively, to form a hanging wall structure, from the lower joint By inserting the connecting member, inserting the connecting member through the long hole of the second member and screwing it into the screw hole of the first member in a loose state, force approaching or separating the one exterior material and the other exterior material to adjust the joint width of the lower joint, then operate the connecting member from between the lower joints, tighten the connecting member into the screw hole, fix the first member and the second member to each other, and Since the joint width of the joint is fixed, the joint width of the lower joint can be adjusted and fixed by a simple operation without removing the exterior material after the work of attaching one exterior material and the other exterior material to the beam.

The perspective view which decomposed|disassembled into the 1st member, 2nd member, and connection member which shows the whole structure of a joint width adjustment metal fitting. The perspective view explaining the state which mutually fixed the 1st member of the joint width adjustment metal fitting, the 2nd member, and the connection member. Sectional drawing which shows the state which completed the hanging wall structure. Sectional drawing which shows the state which respectively latches a 1st member and a 2nd member to two exterior materials. Sectional drawing which shows the state which fixes one exterior material to the 1st fixing metal fitting, and fixes the other exterior material to the 2nd fixing metal fitting. Sectional drawing explaining the state which inserts a connection member from a lower joint. FIG. 5 is a cross-sectional view showing a state in which the joint width of the lower joint is adjusted by screwing the connecting member loosely into the screw hole.

Hereinafter, an embodiment of a joint width adjusting metal fitting 1 according to the present invention and a hanging wall structure construction method using the joint width adjusting metal fitting 1 will be described with reference to each drawing. The hanging wall structure 2 is a structure in which at least both side surfaces and the bottom surface are arranged to face the outdoors, for example, a space such as a loggia, a terrace, an entrance porch, or a built-in garage of a house, and an external space. A hanging wall structure 2 formed on top of that boundary. The hanging wall structure 2 is, for example, a structure formed by hanging from the tip of an upper floor such as an eave, a terrace roof, a balcony floor, or an overhang. It may be a structure that hangs down from the tip, or it may be an outdoor independent beam whose both ends are spanned by outdoor columns (not shown) so as to form a boundary between the roofless loggia and the outside space, for example. The building in which the joint width adjusting metal fitting 1 and the hanging wall structure 2 are formed is not limited to a house, and can be used in various facilities in which the hanging wall structure 2 is formed.

As shown in FIG. 3, the joint width adjusting metal fitting 1 includes one exterior material 3a having an L-shaped cross section, which has a vertical portion 31 and a horizontal portion 32 extending horizontally from the lower end of the vertical portion 31, and the vertical portion 31. Formed between the horizontal parts 32 of the hanging wall structure 2 formed by abutting the horizontal parts 32 of the other exterior material 3b having an L-shaped cross section and a horizontal part 32 extending horizontally from the lower end of the vertical part 31 It is a joint width adjusting metal fitting 1 for adjusting the width of a bottom joint 4 to be installed. As shown in FIGS. 1 and 2, the joint width adjusting metal fitting 1 consists of a first member 5 fixed to the back surface of one exterior material 3a and a second member 6 fixed to the back surface of the other exterior material 3b. , and a connecting member 7 that connects the first member 5 and the second member 6 so as to be able to approach and separate from each other.

The first member 5 is formed by bending a metal plate, as shown in FIG. It has a first horizontal extension 52 horizontally extending from one locking end 51 and a screw hole 53 formed in the first horizontal extension 52 . The first locking end portion 51 is locked in a locking groove 33 formed by lip channel steel on the back surface of the vertical portion 31 of one of the exterior members 3a. The first locking end portion 51 locks the first member 5 to one exterior member 3 a by sandwiching the lower lip of the locking groove 33 , and contacts the lip inside the locking groove 33 . It has two inner flaps 54 in contact with each other and an outer flap 55 in contact with the lip outside the locking groove 33 . The first horizontal extending portion 52 has a flat plate shape extending in the projecting direction of the horizontal portion 32 of one of the exterior members 3 a in a state where the first locking end portion 51 is locked in the locking groove 33 . , a step 56 is formed at an intermediate portion in the extending direction. A screw hole 53 into which the connecting member 7 can be screwed is formed on the extending direction side of the step 56 of the first horizontally extending portion 52 .

The second member 6, like the first member 5, is formed by bending a metal plate, and has a second locking end 61 that is locked to the other exterior material 3b formed at one end, A second horizontal extension portion 62 horizontally extending from the second locking end portion 61 , a long hole 63 formed in the second horizontal extension portion 62 , and rises rising from both side edges of the second horizontal extension portion 62 . a portion 64; The second locking end portion 61 has the same configuration as the first locking end portion 51, and is locked to the locking groove 33 formed by lip channel steel on the back surface of the vertical portion 31 of the other exterior member 3b. be done. The second locking end portion 61 locks the second member 6 to the other exterior member 3 b by sandwiching the lower lip of the locking groove 33 , and contacts the lip inside the locking groove 33 . It has two inner flaps 65 in contact with each other and an outer flap 66 in contact with the lip outside the locking groove 33 .

The second horizontal extension 62 is a flat plate extending in the direction in which the horizontal portion 32 of the other exterior member 3b protrudes while the second locking end 61 is locked in the locking groove 33. . A long hole 63 is formed in the second horizontally extending portion 62 along its extending direction. The long hole 63 is formed in the widthwise center of the second horizontally extending portion 62 . The rising portions 64 are formed on both side edges of the second horizontally extending portion 62 including the portion where the elongated hole 63 is formed, and are arranged parallel to the elongated hole 63 . The distance between the two raised portions 64 is slightly longer than the width of the first horizontal extension 52 of the first member 5 or the same length as the width of the first horizontal extension 52, By arranging the first horizontally extending portion 52 on top of the second horizontally extending portion 62 between the rising portions 64 , the first member 5 is made slidable with respect to the second member 6 . When the first horizontally extending portion 52 is arranged to overlap the second horizontally extending portion 62 , the screw hole 53 formed in the first horizontally extending portion 52 corresponds to the long hole formed in the second horizontally extending portion 62 . 63 are overlapped.

The connecting member 7 is a bolt that is inserted from below into an elongated hole 63 formed in the second horizontally extending portion 62 and screwed into a screw hole 53 formed in the first horizontally extending portion 52 . The width of the long hole 63 is formed slightly longer than the nominal diameter of the connecting member 7, and the length allows the connecting member 7 to be inserted. This is the length necessary for adjusting the joint width of the bottom joint 4 of the one exterior material 3a and the other exterior material 3b by moving the member 6 toward and away from it. The screw hole 53 has a diameter that allows the connection member 7 to be screwed thereon, and is internally threaded. When the connecting member 7 is tightened, as shown in FIGS. 2 and 3, the first horizontally extending portion 52 is drawn toward the head portion of the connecting member 7, and the first horizontally extending portion 52 and the head portion of the connecting member 7 are pulled together. The second horizontally extending portion 62 is sandwiched between and the first member 5 and the second member 6 are fixed to each other. When the connecting member 7 is loosened, the first horizontally extending portion 52 and the head portion of the connecting member 7 are separated, so that the connecting portion can move along the long hole 63 of the second horizontally extending portion 62, and the first member 5 and the second member 6 can be displaced toward or away from each other, and one exterior member 3a to which the first member 5 is fixed and the other exterior member 3b to which the second member 6 is fixed approach each other. Separation becomes possible.

As shown in FIG. 3, the two exterior materials 3a and 3b are suspended and fixed to the beam 21, and extend horizontally from the vertical portion 31 formed in a vertical planar shape and the lower end of the vertical portion 31. and a horizontal portion 32 formed in a planar shape. The vertical part 31 has an uneven pattern for improving the design on the surface facing the outside, and two horizontal locking grooves 33 are formed on the back surface facing the inside of the hanging wall structure 2. - 特許庁The locking groove 33 is a lip channel steel embedded in the exterior materials 3a and 3b so as to open toward the inside of the hanging wall structure 2, and the lower locking groove 33 of the two locking grooves 33 is engaged. The stop groove 33 is a locking groove 33 for locking the first member 5 and the second member 6 of the joint width adjusting metal fitting 1, respectively. The two exterior members 3a and 3b are made of, for example, concrete with reinforcing bars embedded therein, and are formed by integrally casting a vertical portion 31 and a horizontal portion 32. As shown in FIG.

The beams 21 are, for example, H-shaped steel, and are constructed between outdoor columns (not shown) in this embodiment. The flange on the lower side of the beam 21 is formed with a first fixing metal fitting 8 for suspending one of the exterior members 3a on the upper surface thereof. The first fixing bracket 8 has an inverted L shape when viewed from the side, and is fixed to the upper surface of one of the flanges on the lower side of the beam 21 with bolts and nuts. It is The hanging part is formed with an upwardly open hook 10 that can be hooked on the upper lip of two upper and lower locking grooves 33 formed on the back surface of the vertical part 31 of one of the exterior materials 3a.

A second fixing metal fitting 9 is formed on the lower surface of the flange on the lower side of the beam 21 to suspend the other exterior member 3b. The second fixing member 9 has an inverted L shape when viewed from the side, and is fixed to the lower surface of the flange with bolts and nuts. It is formed by drooping down. The hanging portion is formed with an upwardly open hook 10 that can be hooked on the upper lip of two upper and lower locking grooves 33 formed on the back surface of the vertical portion 31 of the other exterior member 3b.

In the hanging wall structure 2 of the present embodiment, the upper exterior members 22 are formed on the vertical portions 31 of the two exterior members 3a and 3b, respectively. 23 is formed to form like an independently closed outdoor beam. Note that the hanging wall structure 2 is not limited to this. It may be a structure formed by hanging down from the tip of the .

When constructing the hanging wall structure 2 formed as described above, as shown in FIG. Fixing brackets 9 are fixed and hung from both sides of the lower flange of the beam 21. - 特許庁Then, as shown in FIG. 4, the first locking end portion 51 of the first member 5 is locked to the locking groove 33 on the lower side of one of the exterior members 3a, and the first member 5 is moved to one side. It is fixed to the exterior material 3a. Further, the second locking end portion 61 of the second member 6 is locked to the locking groove 33 on the lower side of the other exterior material 3b to fix the second member 6 to the other exterior material 3b.

Then, as shown in FIGS. 5 and 6, the upper and lower locking grooves 33 of one of the exterior materials 3a to which the first member 5 is fixed are inserted into the first fixing metal fittings 8 hanging from the lower flange of the beam 21. One exterior member 3 a is fixed to the beam 21 by engaging with the two hooks 10 . After that, the upper and lower locking grooves 33 of the other exterior member 3b to which the second member 6 is fixed are inserted into the second fixing member 9 hanging from the lower flange of the beam 21 to the opposite side of the first fixing member 8. The other exterior material 3b is fixed to the beam 21 by engaging with one hook 10. - 特許庁

When the one exterior member 3a and the other exterior member 3b are locked to the first fixture 8 and the second fixture 9, respectively, and fixed to the beam 21, the first horizontally extending portion 52 of the first member 5 is , overlaps on the second horizontally extending portion 62 of the second member 6, fits between the rising portions 64 formed on both side edges of the second horizontally extending portion 62, and is formed on the first horizontally extending portion 52. The screw hole 53 formed in the second horizontal extension portion 62 and the long hole 63 formed in the second horizontal extension portion 62 are arranged so as to overlap each other.

Next, as shown in FIGS. 6 and 7, a connecting member 7 held by a wrench (not shown) extends from the bottom joint 4 formed between the horizontal portions 32 of the two exterior materials 3a and 3b. , the threaded portion of the connecting member 7 is passed through the elongated hole 63 and further screwed into the threaded hole 53 of the first member 5 in a loose state without being completely tightened. As a result, the connecting member 7 is screwed into the screw hole 53 so as to be movable along the longitudinal direction of the long hole 63 . Then, the width of the bottom joint 4 is measured, and if it is longer than the appropriate width, the width of the bottom joint 4 is adjusted by pushing the one exterior material 3a and the other exterior material 3b in a direction toward each other, After that, by rotating the head of the connecting member 7 with a tool such as a wrench (not shown) between the lower joints 4 and completely tightening the connecting member 7 into the screw hole 53, the head of the connecting member 7 and the first horizontal The second horizontal extension 62 is sandwiched between the extension 52 to fix the first member 5 and the second member 6 to each other, thereby fixing the joint width of the bottom joint 4 .

Also, the width of the lower joint 4 is measured, and if it is shorter than the appropriate width, a tool such as a crowbar (not shown) is inserted between the lower joint 4 to widen the width of the lower joint 4 for adjustment, After that, by rotating the head of the connecting member 7 with a tool such as a wrench from between the lower joints 4 and completely tightening the connecting member 7 into the screw hole 53, the head of the connecting member 7 and the first horizontal extension The first member 5 and the second member 6 are fixed to each other by sandwiching the second horizontally extending portion 62 with the portion 52 to fix the joint width of the lower joint 4 .

If the measured width of the lower joint 4 is an appropriate width, the head portion of the connecting member 7 is rotated without performing the step of adjusting the width of the lower joint 4. Fixed width. Moreover, the adjustment of the width of the bottom joint 4 is not limited to that performed when the hanging wall structure 2 is constructed. For example, when the width of the lower joint 4 narrows or widens due to aging and a problem arises in the design of the hanging wall structure 2, a tool such as a wrench is inserted between the lower joints 4 as appropriate, and the head of the connecting member 7 is removed. is rotated to loosen the connecting member 7 to adjust the width of the lower joint 4, and then the connecting member 7 is tightened to fix the joint width, thereby adjusting the width of the lower joint 4.

It goes without saying that the embodiment of the present invention is not limited to the above-described embodiments, and can be modified as appropriate without departing from the scope of the idea of the present invention.

The joint width adjusting metal fitting 1 and the construction method of the hanging wall structure according to the present invention are, for example, the lower joint 4 of the hanging wall structure 2 formed on the upper part of the boundary between the loggia of the house or the porch in front of the entrance and the external space. It is suitable as a construction method for metal fittings and hanging wall structures that adjust the joint width.

1 joint width adjustment fitting 2 hanging wall structure 3a one exterior material 3b other exterior material 4 bottom joint 5 first member 6 second member 7 connecting member 8 first fixing metal fitting 9 second fixing metal fitting 31 vertical part 32 horizontal part 53 Screw hole 63 Long hole 64 Rising part

Claims (4)

A vertical part extending in the vertical direction and a horizontal part extending horizontally from the lower end of the vertical part. A joint width adjusting fitting for adjusting the width of a lower joint formed between
a first member fixed to the back surface of one of the exterior materials;
a second member fixed to the back surface of the other exterior material;
a connecting member that connects the first member and the second member so that they can approach and separate from each other;
with
The joint width adjusting fitting, wherein the connecting member can be operated from the lower joint to release the connection between the first member and the second member. The first member is engaged with the back surface of the vertical portion of one exterior material and formed to extend toward the other exterior material, and a screw hole is formed above the bottom joint,
The second member is engaged with the back surface of the vertical portion of the other exterior material, is formed to extend toward the one exterior material, and approaches and separates from the first member at a position overlapping the screw hole. A long hole is formed in the direction of
2. The connecting member according to claim 1, wherein the connecting member is a bolt which is inserted into the elongated hole and screwed into the screw hole, and whose head is arranged downward toward the lower joint. Joint width adjustment bracket. A raised portion is formed on both side edges of the position of the second member where the elongated hole is formed to guide the first member that is placed on top of the second member. Item 2. The joint width adjustment fitting according to item 2. It has a vertical portion extending in the vertical direction and a horizontal portion extending horizontally from the lower end of the vertical portion. one exterior material that is stopped and fixed;
It has a vertical part extending in the vertical direction and a horizontal part extending horizontally from the lower end of the vertical part. the other exterior material that is locked and fixed;
The joint width adjusting fitting according to claim 2 or claim 3,
A hanging wall structure construction method comprising:
a step of locking one end of the first member in a locking groove of the one exterior material to fix the first member to the one exterior material;
locking one end of the second member in the locking groove of the other exterior material to fix the second member to the other exterior material;
a step of locking the locking groove of the one exterior member to which the first member is fixed to the first fixing bracket;
locking the locking groove of the other exterior member to which the second member is fixed to the second fixing bracket;
The connecting member is inserted through the lower joint between the horizontal portion of the one exterior material and the horizontal portion of the other exterior material, the connecting member is passed through the long hole of the second member, and the loosely screwing into the threaded hole of the first member;
A step of adjusting the joint width of the lower joint by applying a force to the one exterior material and the other exterior material in a direction toward or away from each other;
a step of operating the connecting member from between the lower joints, tightening the connecting member into the screw hole, fixing the first member and the second member to each other, and fixing the joint width of the lower joint; ,
A method for constructing a hanging wall structure, comprising:

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