JP2021070937A - Inner wall fixing member - Google Patents

Abstract

To provide an inner wall fixing member capable of easily attaching a base frame of an inner wall material to a skeleton and suppressing transmission of vibration of the skeleton to the inner wall material.SOLUTION: An inner wall fixing member 1 is fixed to a skeleton 2 of a building which holds an outer wall panel and fixes a base material 4 for fixing an inner wall material 3. The inner wall fixing member 1 comprises: a fixing part 6 attached to the skeleton 2 and forming a space with the base material 4; a damping rubber part 7 attached to the fixing part 6; and a base holding part 8 supported by the damping rubber part 7 and holding the base material 4. The fixing part 6 includes: a main body 60 having an abutting part 63 abutting on an indoor side surface of the skeleton 2; a fixing member 61 having a tip 69 projecting from the main body 60 to an outdoor side and expanded so as to be hooked on an outdoor side surface of the skeleton 2 and having a screw hole 12 formed in a base end 10; and a pulling bolt 62 screwed into the screw hole 12 and pulling the tip of the fixing member 61 to the body side.SELECTED DRAWING: Figure 1

Description

The present invention relates to an inner wall fixing member that is fixed to a building frame that holds an outer wall panel and fixes a base material for fixing the inner wall material.

Conventionally, there has been disclosed a fixing bracket for fixing a base frame for fixing an inner wall material of a building such as a house to a building frame called a framework (see Patent Document 1). According to this, the tip portion protrudes to the outdoor side, passes between the frameworks, abuts on the outdoor side surface of the framework, and the base end portion is inserted into the metal fitting body formed in a substantially U shape. By sandwiching the shaft assembly, the metal fitting body, and the base frame between the attachment member and the bolt head of the fixing bolt screwed into the bolt hole formed at the base end of the fastening member, the base frame can be attached to the framework. Fix it. Therefore, with the fixing bracket as described above, the wall constituent member such as the base frame can be fixed to the framework by a simple operation from the indoor side.

Japanese Unexamined Patent Publication No. 2012-31611

However, the fixing bracket of Patent Document 1 sandwiches the framework between the fixing member and the bracket body, and sandwiches the base frame between the bracket body and the bolt heads of the fixing bolts. There is a problem that the transmitted vibration such as floor impact sound is transmitted to the base frame and the inner wall material through the fixing bracket and is transmitted to the lower floor, and the soundproofing property is lowered.

Therefore, an object of the present invention is to provide an inner wall fixing member capable of easily attaching a base frame of an inner wall material to a skeleton and suppressing transmission of vibration of the skeleton to the inner wall material.

The inner wall fixing member of the present invention is an inner wall fixing member that is fixed to the skeleton of a building that holds the outer wall panel and fixes a base material for fixing the inner wall material, and is attached to the skeleton and is attached to the base material. The fixing portion includes a fixing portion in which a space is formed, a vibration damping rubber portion attached to the fixing portion, and a base holding portion that is supported by the vibration damping rubber portion and holds the base material. A main body having a contact portion that abuts on the indoor side surface of the skeleton, and a tip protruding from the main body to the outdoor side and widened so as to be hooked on the outdoor side surface of the skeleton, and a screw at the base end. It is characterized by having a fixing member having a hole formed therein, and a pulling bolt that is screwed into the screw hole and pulls the tip of the fixing member toward the main body side.

In the inner wall fixing member of the present invention, the fixing portions are formed side by side in the indoor and outdoor directions, and two plate bodies into which the pulling bolts are inserted and guide holes for holding the posture of the pulling bolts are formed. The anti-vibration rubber portion is inserted between the two plate bodies, and an insertion portion having a through hole through which the pulling bolt penetrates and a support portion that supports the base holding portion are integrated. It is characterized by being formed.

The inner wall fixing member of the present invention is characterized in that the vibration damping rubber portion has the support portion formed above or below the insertion portion and a space is formed between the support portion and the skeleton. It is supposed to be.

In the inner wall fixing member of the present invention, the base holding portion is screwed to the insert nut embedded in the support portion and the insert nut, and the head is in contact with the indoor surface of the base material. It is characterized by having a base fixing bolt that presses the base material against the support portion and holds the base material.

The inner wall fixing member of the present invention is characterized in that the insert nut has a deformed outer peripheral shape that prevents the insert nut from rotating together with the rotation of the base fixing bolt and also prevents the insert nut from coming off from the support portion.

According to the inner wall fixing member of the present invention, the fixing portion sandwiches the skeleton between the abutting portion that contacts the indoor surface of the skeleton of the main body and the tip of the fixing member, and fixes the inner wall fixing member to the skeleton. Therefore, it is excellent in workability that the inner wall fixing member can be fixed to the skeleton with a simple operation, and moreover, between the fixing part attached to the skeleton and the base holding part for holding the base material. Since the vibration damping rubber portion is interposed in the vibration damping rubber portion, the vibration of the skeleton is damped by the vibration damping rubber portion, and the vibration transmitted to the inner wall material side can be suppressed. Therefore, although it is a member that can be easily constructed, it is possible to suppress the floor impact sound of the upper floor from being propagated through the wall to the indoor space of the lower floor.

According to the inner wall fixing member of the present invention, the insertion portion of the vibration damping rubber portion is inserted between the plates formed in the fixing portion side by side in the indoor and outdoor directions, and the pulling bolt is two plates. Since the fixing part and the vibration damping rubber part are fixed by being inserted into the guide hole formed in the body and the through hole formed in the insertion part of the vibration damping rubber part, the fixing part and the vibration damping rubber part are fixed by a simple structure. The part and the vibration damping rubber part can be fixed, and the vibration in the horizontal shear direction can be damped.

According to the inner wall fixing member of the present invention, the vibration damping rubber portion has a support portion for supporting the base holding portion formed above or below the insertion portion fixed to the fixing portion. Compared to the case where and are arranged side by side in the indoor and outdoor directions, the thickness from the outer wall to the inner wall material is not required, and the required length of the vibration propagation path is secured by extending the support part upward or downward. Therefore, the vibration can be effectively damped.

According to the inner wall fixing member of the present invention, the base holding portion has an insert nut embedded in the support portion of the vibration damping rubber portion and a base fixing bolt screwed to the insert nut, and the head of the base fixing bolt. Since the base material is sandwiched between the portion and the support portion of the vibration damping rubber portion, the base material can be fixed to the inner wall fixing member by a simple operation while suppressing vibration propagation.

According to the inner wall fixing member of the present invention, the insert nut has a deformed outer peripheral shape that prevents it from rotating together with the rotation of the base fixing bolt and also prevents it from coming off from the support portion, so that the insert nut is simply adhesively fixed. It is possible to prevent the insert nut from falling off from the support portion of the vibration damping rubber portion and rotating together with the rotation of the base fixing bolt.

The perspective view which shows the appearance structure of the inner wall fixing member. The cross-sectional view which shows the internal structure of the inner wall fixing member. The exploded perspective view which shows the structure of the fixing part of the inner wall fixing member. The perspective view which shows the appearance structure of the vibration damping rubber part and the base holding part of the inner wall fixing member. The perspective view which shows the appearance structure of the insert nut. The perspective view which shows the state which fixed the inner wall fixing member to a frame. The cross-sectional view which shows the state which fixed the inner wall fixing member to a frame. The perspective view which shows the state which the inner wall fixing member fixed to the framework fixes a base material. A horizontal cross-sectional view showing a state in which an inner wall material is fixed to a framework using an inner wall fixing member. A vertical cross-sectional view showing a state in which the inner wall material is fixed to the framework using the inner wall fixing member.

Hereinafter, an embodiment of the inner wall fixing member 1 of the present invention will be described with reference to each figure. The inner wall fixing member 1 is a member that is fixed to the framework 2 that forms the frame of the building and fixes the base material 4 for fixing the inner wall material 3 such as gypsum board. The building is a steel-framed house in this embodiment. The building in the present invention is not limited to the steel frame structure, and may be a wooden structure or a reinforced concrete structure as long as the inner wall material 3 is fixed to the skeleton via the inner wall fixing member 1. Further, in the present embodiment, the skeleton of the building is formed by fixing rectangular frames made of C-shaped steel called a framework 2 to each other. Although the details of the framework 2 are not shown, a pair of left and right vertical members made of so-called C-shaped steel and a pair of upper and lower horizontal members orthogonal to the vertical members are framed in a substantially rectangular shape, and if necessary, the framework 2 is framed. It is a conventionally known framework 2 provided with reinforcing materials such as a center column, a center rail, and a load-bearing brace. The plurality of rectangular frameworks 2 configured in this way are arranged so as to be adjacent to each other with a gap between them, and the frameworks 2 adjacent to each other are fixed by spelling bolts (not shown) to form the frame of the building. ing. Further, the base material 4 is a base panel which is formed in a rectangular frame shape (not shown) and in which the heat insulating material 5 is arranged. The shape of the base material 4 is not limited to this, and may be a simple vertical frame or horizontal rail.

As shown in FIGS. 1 and 2, the inner wall fixing member 1 is attached to the fixing portion 6 attached to the framework 2 forming the skeleton, the vibration damping rubber portion 7 attached to the fixing portion 6, and the vibration damping rubber portion 7. A base holding portion 8 that is supported and holds the base material 4 is provided. The fixing portion 6 and the base holding portion 8 are connected to each other via the vibration damping rubber portion 7, and the vibration damping rubber portion 7 is arranged on the vibration propagation path of the solid propagating sound to attenuate the vibration. ..

As shown in FIGS. 2 and 3, the fixing portion 6 has a substantially U-shaped main body 60 opened upward, a tip projecting outward from the main body 60, and a screw hole 12 at the base end. It has a fixing member 61 formed and a pulling bolt 62 screwed into the screw hole 12. The main body 60 has a flat plate-shaped contact portion 63 that abuts on the indoor side surface of the vertical member of the framework 2, and two plates formed on the indoor side of the contact portion 63 side by side in the indoor and outdoor directions. The body 64, the bottom plate 65 connecting the contact portion 63 and the lower ends of the two plate bodies 64, and extending inward along the edges of the contact portion 63, the bottom plate 65, and the indoor side plate 64 on both side surfaces. It has a side wall portion 66 and. A pulling bolt 62 is formed in each of the two plate bodies 64 so that the pulling bolt 62 can be inserted, and a guide hole 67 for holding the posture of the pulling bolt 62 is formed so that the length direction of the pulling bolt 62 faces indoors and outdoors. Has been done. Further, an insertion hole 68 into which the pulling bolt 62 can be inserted is also formed in the contact portion 63. The bolt head 13 of the pulling bolt 62 is larger than the guide hole 67, and when the pulling bolt 62 is inserted, the bolt head 13 is held on the indoor side of the plate body 64.

The fastening member 61 is formed so that the tip 69 projects from the main body 60 to the outdoor side and is widened so as to be hooked on the outdoor side surface of the framework 2. The connecting arm 11 extends in the indoor direction from the tip 69 of the fastening member 61, and a screw hole 12 into which the pulling bolt 62 is screwed is formed at the base end 10 of the connecting arm 11. The width of the tip 69 of the fastening member 61 is longer than the gap between the frameworks 2 adjacent to each other, and the thickness of the tip 69 of the fastening member 61 is shorter than the gap between the frameworks 2. Further, the connecting arm 11 is formed in the same plate shape as the tip 69, and its width and thickness are shorter than the gap between the frameworks 2. The base end 10 of the fastening member 61 has a shape that hangs downward from the connecting arm 11, and is inserted between the contact portion 63 of the fixing portion 6 and one plate body 64. The pulling bolt 62 is screwed between the abutting portion 63 and one of the plate bodies 64 into a screw hole 12 formed in the base end 10 of the fixing member 61 to rotate the pulling bolt 62. The fastening member 61 can be pulled indoors and pulled into the main body 60, and the protruding length of the fastening member 61 can be adjusted.

As shown in FIG. 10, the fixing portion 6 does not come into contact with the base material 4 when the base material 4 is fixed to the inner wall fixing member 1, and a space is formed between the fixing portion 6 and the base material 4. Even if the vibration from the framework 2 forming the skeleton is propagated to the fixed portion 6, the vibration of the fixed portion 6 is not directly propagated to the base material 4.

As shown in FIGS. 2 and 4, the vibration damping rubber portion 7 is inserted between two plate bodies 64 formed in the main body 60 of the fixing portion 6, and has an insertion hole 72 through which the pulling bolt 62 penetrates. The portion 70 and the support portion 71 formed on the upper side of the insertion portion 70 and supporting the base holding portion 8 are integrally formed. The insertion portion 70 is formed with a hollow portion 73 in which the bottom surface and the outdoor side surface are opened, and the back plate portion 74 provided on the indoor side is inserted between the two plate bodies 64, and the back plate portion 74 is formed. Two side portions 75 extending from the side edge of the main body 60 in the outdoor direction are fitted between the side wall portions 66 of the main body 60 and fitted inside the main body 60 of the fixing portion 6. A through hole 72 into which the pulling bolt 62 is inserted is formed in the back plate portion 74, and the back plate portion 74 is inserted between the two plate bodies 64, and the pulling bolt 62 is inserted into the two plate bodies 64. The insertion portion 70 is attached to the fixing portion 6 by being inserted into the guide hole 67 and the through hole 72 of the back plate portion 74.

The support portion 71 is integrally formed on the insertion portion 70, and a support hole 76 into which the base fixing bolt 80 is inserted is formed in the indoor / outdoor direction. An insert nut 81 of the base holding portion 8 is embedded in the indoor side of the support hole 76 to be integrated with the support hole 76. The vibration damping rubber portion 7 is preferably integrally formed of a high damping rubber having a loss tangent tan δ of 0.5 or more, preferably 1.0 or more (20 degrees Celsius). The vibration damping rubber portion 7 may be formed by embedding the insert nut 81 at the time of molding, or may be press-fitted after molding.

The indoor side surface of the support portion 71 of the vibration damping rubber portion 7 protrudes from the indoor side surface of the insertion portion 70, and when the base material 4 comes into contact with the indoor side surface of the support portion 71, the insertion portion 70 On the indoor side surface of the above, a gap is formed between the surface and the base material 4. Further, as shown in FIG. 1, the outdoor side surface of the support portion 71 is flush with the outdoor side surface of the insertion portion 70, and when the insertion portion 70 is inserted into the main body 60 of the fixed portion 6, the main body 60 Since the abutting portion 63 projects to the outdoor side from the outdoor side surface of the support portion 71, as shown in FIG. 10, when the inner wall fixing member 1 is fixed to the framework 2 forming the skeleton, the contact portion 63 is hit. The contact portion 63 abuts on the framework 2, and a space is formed between the outdoor side surface of the support portion 71 and the framework 2.

The base holding portion 8 has an insert nut 81 embedded in the support portion 71 and a base fixing bolt 80 screwed to the insert nut 81. As shown in FIG. 5, the insert nut 81 has a flange 82 that is exposed indoors from the support portion 71, and a columnar reduced diameter that extends from the flange 82 in the embedding direction and has a diameter shorter than that of the flange 82. It has a modified outer peripheral shape including a regular hexagonal flat plate-shaped square portion 84 formed by extending from the lower end of the reduced diameter portion 83 in the radial direction of the reduced diameter portion 83. Further, the reduced diameter portion 83 is formed with a retaining groove 85 formed by cutting out a part thereof. The insert nut 81 is formed by expanding the square portion 84 in the radial direction of the reduced diameter portion 83 to prevent the insert nut 81 from coming off from the support portion 71, and the square diameter portion is a regular hexagon. As a result, it is possible to prevent the insert nut 81 from rotating and prevent it from rotating together with the rotation of the base fixing bolt 80. The insert nut 81 is formed with a bolt fixing hole 87 penetrating from the flange 82 to the square portion 84, and the base fixing bolt 80 is screwed into the bolt fixing hole 87 to be fixed.

When fixing the inner wall material 3 to the framework 2 that constitutes the building frame using the inner wall fixing member 1 configured as described above, first, the width direction of the tip 69 of the fixing member 61 moves up and down. After rotating and holding the inner wall fixing member 1 by 90 degrees so as to face, the fixing member 61 is inserted from the tip 69 into the gap between the frameworks 2, and the tip 69 reaches the outdoor side of the framework 2. The inner wall fixing member 1 is rotated and held so that the width direction of the tip 69 of the fixing member 61 faces left and right. Then, the pulling bolt 62 is operated and rotated from the indoor side to pull the tip 69 of the fixing member 61 toward the indoor side, and as shown in FIGS. 6 and 7, the tip 69 and the main body 60 of the fixing member 61 are drawn. The inner wall fixing member 1 is fixed to the shaft assembly 2 by sandwiching the shaft assembly 2 on both sides with the contact portion 63 of the above.

Then, the base material 4 to which the heat insulating material 5 is fixed is brought into contact with the indoor side of the support portion 71 of the vibration damping rubber portion 7, and the base fixing bolt 80 is screwed to the insert nut 81 and tightened. As shown in FIG. 8, the bolt head of the base material fixing bolt 80 is caught on the indoor surface of the base material 4, presses the base material 4 against the support portion 71 of the vibration damping rubber portion 7, and presses the base material 4 against the inner wall fixing member 1. It is fixed to the framework 2 via. Then, as shown in FIGS. 9 and 10, the inner wall material 3 is fixed to the framework 2 constituting the skeleton by fixing the inner wall material 3 to the base material 4.

As described above, as shown in FIG. 10, the inner wall fixing member 1 is fixed by sandwiching the framework 2 constituting the skeleton between the tip 69 of the fixing member 61 and the abutting portion 63 of the main body 60. , The base material 4 is sandwiched and fixed between the bolt head 86 of the base fixing bolt 80 and the support portion 71. Since the vibration damping rubber portion 7 is interposed between the shaft assembly 2 and the base material 4, the vibration transmitted to the framework 2 by propagating the skeleton from the floor on the upper floor or the like is the vibration damping rubber. Since it is damped by the portion 7, the vibration transmitted to the inner wall material 3 can be suppressed.

As described above, when the inner wall material 3 is fixed to the framework 2 by using the inner wall fixing member 1 of the present embodiment, the construction can be easily performed, and the floor impact sound of the upper floor is transmitted through the skeleton in the wall. It is possible to suppress the propagation to the indoor space on the lower floor.

It goes without saying that the embodiment of the present invention is not limited to the above-described embodiment and can be appropriately changed without departing from the scope of the idea of the present invention.

The inner wall fixing member 1 according to the present invention can be suitably used as an inner wall fixing member 1 for fixing the base material 4 of the inner wall material 3 of a habitable building.

1 Inner wall fixing member 2 Frame (framework)
3 Inner wall material 4 Base material 6 Fixing part 7 Vibration damping rubber part 8 Base holding part 60 Main body 61 Fastening part 62 Pulling bolt 70 Inserting part 71 Support part 80 Base fixing bolt 81 Insert nut

Claims (5)

It is an inner wall fixing member that is fixed to the building frame that holds the outer wall panel and fixes the base material for fixing the inner wall material.
A fixed portion that is attached to the skeleton and forms a space between the base material and the base material.
The damping rubber part attached to the fixed part and
A base holding portion that is supported by the vibration damping rubber portion and holds the base material, and a base holding portion.
With
The fixed part is
A main body having a contact portion that abuts on the indoor side surface of the skeleton, and
A fixing member whose tip protrudes from the main body to the outdoor side and is widened so as to be hooked on the outdoor side surface of the skeleton and has a screw hole formed at the base end.
An inner wall fixing member having a pulling bolt that is screwed into the screw hole and pulls the tip of the fixing member toward the main body. The main body is formed side by side in the indoor and outdoor directions, and further has two plate bodies into which the pulling bolt is inserted and a guide hole for holding the posture of the pulling bolt is formed.
The vibration damping rubber portion is inserted between the two plate bodies, and an insertion portion having a through hole through which the pulling bolt penetrates and a support portion that supports the base holding portion are integrally formed. The inner wall fixing member according to claim 1. The vibration damping rubber portion according to claim 2, wherein the support portion is formed above or below the insertion portion, and a space is formed between the support portion and the skeleton. Inner wall fixing member. The base holding portion is screwed to the insert nut embedded in the support portion and the insert nut, and the head abuts on the indoor surface of the base material to press the base material against the support portion. The inner wall fixing member according to claim 2 or 3, further comprising a base fixing bolt to be sandwiched between the two. The inner wall fixing member according to claim 4, wherein the insert nut has a deformed outer peripheral shape that prevents the insert nut from rotating together with the rotation of the base fixing bolt and also prevents the insert nut from coming off from the support portion. ..

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