JP2008150808A - Metal fixture and support structure of eaves ceiling board using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a metal fixture, coping with the case of fixing supported members different in thickness using one type of metal fixture, and facilitating construction, and to provide a support structure for installing an eaves ceiling board on the lower surface of an eaves projected from an outer wall surface of a building. <P>SOLUTION: This support structure includes: a fitting piece 9a attached to a fascia board backing material 4; an angle piece 9b provided with a cutout part 9d and serving as a connecting piece; a support metal fitting 9 having an abut piece 9c abutting on the lower surface of the eaves soffit board 8 and provided with a cutout part 9e; and a restraining metal fitting 12, which is inserted from the cutout part 9d provided in a hanging piece 9b2 of the angle piece 9b of the support metal fitting 9, and which is so constructed that restraining pieces 12a, 12b abutting on the top face of the eaves soffit board 8 whose end side lower surface is abutted on the abut piece 9c are formed to have a substantially U-shaped section through a connecting piece 12c, one of the restriction pieces 12a, 12b is provided with a projecting part 12b1 having a height smaller than the board thickness of the contact piece 9c to be fitted in the cutout part 9e, wherein the eaves soffit board 8 and the abut piece 9c of the support metal fitting 9 are held and restrained by the restriction pieces 12a, 12b. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fixture for fixing a supported member to a support member and a support structure for an eaves ceiling plate installed on the lower surface of an eave protruding from the outer wall surface of a building using the fixture.

  Conventionally, in order to facilitate construction of building exterior materials, eaves ceiling materials, and the like, Patent Documents 1 to 3 propose fixing these end portions using clip materials.

Japanese Utility Model Publication No. 05-016901 JP 11-117400 A JP 07-279297 A

  However, in the above-described conventional example, the thickness of the exterior material of the building and the eaves ceiling material is various. For example, in the case of an eaves ceiling plate, the thickness is generally in the range of 8 mm to 16 mm. When fixing the eaves ceiling board with such a different thickness using the clip material of Patent Documents 1 to 3, a clip material corresponding to the board thickness must be prepared for each eaves ceiling board thickness. In other words, there was a problem of high costs in terms of product management.

  The present invention solves the above-mentioned problems, and the object of the present invention is to provide a fixing bracket that can handle fixing of a plurality of supported members having different thicknesses by one type of fixing bracket, and is easy to construct, Furthermore, the support structure which installs an eaves ceiling board on the lower surface of the eaves which protruded from the outer wall surface of the building using the fixed metal fitting is provided.

  In order to achieve the above object, the structure of the fixing metal fitting according to the present invention is a fixing metal fitting for fixing a supported member to a supporting member, a mounting piece attached to the supporting member, and a first piece connected to the mounting piece. A support fitting having a connecting piece provided with a notch, and an abutting piece connected to the connecting piece and abutting on one surface on the end side of the supported member and provided with a second notch And the end side of the supported member, which is inserted through a first notch provided in the connecting piece of the support metal fitting and is in contact with one surface on the end side of the contact piece of the support metal fitting The first and second restraining pieces that can come into contact with the other surface of the support member are formed in a U-shaped cross section through the connection piece, and one of the first and second restraining pieces has an abutment piece of the support fitting. A protrusion having a height equal to or less than the thickness of the second notch and provided in the second notch, the first and second restraints. And having a restricting bracket that restrains to sandwich the contact piece of the the supported member and the supporting bracket by.

  The first structure of the eaves ceiling board support structure according to the present invention is an eaves ceiling board support structure installed on the lower surface of the eaves protruding from the outer wall surface of the building using the fixing bracket, wherein the support An attachment piece of the support fitting is attached to the nose cover base material to be a member, and the end portion on the nose cover side of the eaves ceiling plate to be the supported member is placed and supported on the contact piece of the support fitting, The first restraint piece or the second restraint piece of the restraint fitting is selectively inserted from the first notch provided in the connection piece of the support bracket according to the thickness of the eaves ceiling plate, When the protrusion provided on one of the first and second restraining pieces corresponds to the second notch provided on the contact piece of the support metal fitting, the protrusion is inserted into the second notch. One of the first and second restraining pieces of the restraining metal is in contact with the upper surface of the eaves ceiling plate and the first and second The other of the restraining pieces is brought into contact with the lower surface of the abutting piece of the support fitting on which the eaves ceiling plate is placed, and the eaves ceiling plate and the abutting piece of the support fitting are sandwiched and restrained by the restraining fitting. The end portion on the outer wall surface side of the eaves ceiling plate is fixed to the edge of the wall.

  Further, the second structure of the eaves ceiling board support structure according to the present invention is the first structure of the eaves ceiling board support structure according to the present invention, the nose cover base material, the support metal fitting, the restraint metal fitting, The ventilation parting material which covers the edge part by the side of a nose concealment of the eaves ceiling board was fixed.

  Moreover, the 3rd structure of the eaves ceiling board support structure which concerns on this invention is a noncombustible which expands by a heat | fever in the ventilation air path of the said ventilation parting material in the 2nd structure of the said eaves ceiling board support structure. It is characterized by providing a porous expandable material.

  According to the structure of the fixing metal fitting according to the present invention, the one surface on the end side of the supported member is brought into contact with the contact piece of the support metal fitting attached to the support member, and provided on the connecting piece of the support metal fitting. The first and second restraining pieces of the restraining fitting are selectively inserted from the first notch, and the first and second restraining pieces are inserted into the contact pieces of the support fitting so that one surface on the end side is Abutting against the other surface of the abutting supported member on the end portion side, abutting on the opposite side of the surface of the abutting piece of the support fitting to the abutting member, the first and second The supported member and the contact piece of the support metal fitting are clamped and restrained by the restraining piece, and the supported member can be fixed to the support member.

  When fixing a thick supported member, the protrusion provided on one of the first and second restraining pieces of the restraining metal fitting is inserted into the second notch provided on the contact piece of the supporting metal fitting. Thus, it is possible to fix the supported member to the support member by sandwiching and restraining the thick supported member by the restraining piece having no projecting portion inserted from the first cutout portion and the contact piece of the support fitting. .

  Further, when fixing a thin supported member, a restraint piece having a protrusion of the restraining metal is inserted from the first notch of the support metal, and the protrusion of the restraining piece and the contact piece of the support metal are thinner. The supported member can be clamped and restrained, and the supported member can be fixed to the supporting member.

  Therefore, a single type of fixing bracket can be used to support a plurality of supported members, and there is no need to prepare a fixing bracket for each thickness of the supported member. It can also be effective in reducing such costs.

  Further, according to the first configuration of the eaves ceiling board support structure according to the present invention, the end lower surface of the eaves ceiling board on the nose cover side is brought into contact with the contact piece of the support fitting attached to the nose cover base material. The first and second restraining pieces are selectively inserted through the first notches provided in the connecting pieces of the support fittings and the first and second restraining pieces are inserted into the first and second restraining pieces. Abutting on the upper surface of the eaves ceiling plate placed on the abutment piece of the support metal, and abutting on the side opposite to the surface on which the eaves ceiling plate of the abutment piece contacts, the first and second The upper surface of the eaves ceiling plate and the lower surface of the abutting piece of the support fitting are clamped and restrained by the restraining piece, and the eaves ceiling plate can be fixed to the nasal cover material.

  When a thick eaves ceiling plate is fixed, the protrusion provided on one of the first and second restraining pieces of the restraining metal fitting is inserted into the second notch provided on the contact piece of the support metal fitting. The thick eaves ceiling plate is sandwiched and restrained by the restraint piece that does not have the protruding portion inserted through the first notch portion and the contact piece of the support bracket, and the eaves ceiling plate is fixed to the nose cover base material. I can do it.

  When a thin eaves ceiling plate is fixed, a restraint piece having a protrusion of the restraining metal is inserted from the first notch of the support metal, and the protrusion of the restraining piece and the contact piece of the support metal are thinner. The eaves ceiling board can be clamped and restrained, and the eaves ceiling board can be fixed to the nose cover.

  Further, according to the second configuration of the eaves ceiling board support structure according to the present invention, the ventilation parting material secures ventilation of the back of the shed on the nasal concealment side where rain wind does not directly hit in the case of storm, Covering the metal fitting and the edge of the eaves ceiling board on the nose cover side can prevent rain and wind from entering the back of the hut.

  Further, according to the third configuration of the eaves ceiling board support structure according to the present invention, the non-combustible volume expansion material provided in the ventilation air passage of the ventilation parting material is normally in a contracted state in the ventilation parting material. The ventilation air passage can be opened and expanded by heat in the event of a fire to block the ventilation air passage of the ventilation part to prevent the flame from spreading.

  An embodiment of a fixing metal fitting according to the present invention and an eaves ceiling board support structure using the same will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional explanatory view showing the structure of an eaves ceiling board support structure using a fixing metal fitting according to the present invention, FIGS. 2A and 2B are perspective views showing the structure of the support metal fitting and the restraining metal fitting, and FIG. Is a diagram showing a state in which an eaves ceiling plate as a supported member is installed, FIGS. 4 and 5 are cross-sectional explanatory views showing a state in which the eaves ceiling plate as a supported member is restrained by the support metal fittings, and FIG. FIG. 7 is a perspective view showing a configuration of the ventilation parting material, and FIG. 7 is a view showing a state in which the noncombustible volume expansion material provided in the ventilation air passage is expanded by heat.

  In FIGS. 1 and 3, 1 is a back of a hut, 2 is a roof, 3 is a nose cover plate, 4 is a nose cover base material that serves as a support member, 5 is a trunk edge that is an outer wall base material, and 6 is a trunk edge 5. Reference numeral 7 denotes an outer wall attached to the wall edge 7, reference numeral 7 denotes a wall edge attached to the trunk edge 5, and reference numeral 8 denotes an eaves ceiling plate serving as a supported member. The eaves ceiling board 8 is installed on the lower surface of the eaves protruding from the outer wall surface 6 of the building.

  The end portion of the eaves ceiling board 8 on the nasal concealment side (the left side in FIG. 3) is fixed to the inner surface 4a side of the nasal concealment base material 4 by a screw 10 serving as a fixing member. It is placed and supported by a support bracket 9 having a shape.

  Fixing brackets for fixing the eaves ceiling plate 8 serving as a supported member to the nasal concealment base material 4 serving as a supporting member include a supporting bracket 9 illustrated in FIG. 2A and a restraining bracket 12 illustrated in FIG. It is configured.

  As shown in FIG. 2 (a), the support fitting 9 of this embodiment is connected to the attachment piece 9a attached to the inner surface 4a side of the nose masking base material 4 serving as a support member by screws 10, and to the attachment piece 9a. An angle piece 9b having an L-shaped cross section to be a connecting piece, and an abutting piece 9c to be in contact with a lower surface that is connected to the angle piece 9b and is one of the surfaces on the end side of the eaves ceiling plate 8 to be supported. A first notch 9d provided in parallel at two central portions of the hanging piece 9b2 of the angle piece 9b, and two first central portions of the contact piece 9c. It has the 2nd notch part 9e arranged in parallel at the corresponding position, and is comprised.

  On the other hand, as shown in FIG. 2 (b), the restraint fitting 12 of the present embodiment is inserted from a first cutout portion 9 d provided in a hanging piece 9 b 2 of the angle piece 9 b that is a connecting piece of the support fitting 9. A pair of abutment pieces 9c of the support metal fitting 9 that can abut against the upper surface of the eaves ceiling board 8 that is the other surface of the eaves ceiling plate 8 that is a supported member in which the lower surface that is one surface on the end side abuts. The first constraining piece 12a and the second constraining piece 12b arranged side by side are formed in a U-shaped cross section through the connection piece 12c.

  The second restraining piece 12b is provided with a pair of juxtapositions that have a height equal to or less than the plate thickness of the contact piece 9c of the support fitting 9 and can be fitted into the second notch 9e provided in the corresponding contact piece 9c. The first and second restraining pieces 12a and 12b sandwich and restrain the upper surface of the eaves ceiling plate 8 serving as a supported member and the lower surface of the abutting piece 9c of the support fitting 9 with the first and second restraining pieces 12a and 12b. Then, the eaves ceiling plate 8 is fixed to the nose cover base material 4.

  On the opposite side of the connecting piece 12c of the restraint fitting 12 of this embodiment from the extending direction of the first and second restraint pieces 12a, 12b, a protrusion 12d for preventing the restraint fitting 12 from coming off is provided.

  As a method for installing the eaves ceiling plate 8, first, a screw 10 serving as a fixing member is inserted into the mounting hole 9 a 1 of the mounting piece 9 a of the support metal 9 and fixed to the inner surface 4 a side of the nose masking base material 4. At this time, the extension part of the horizontal piece 9b1 of the angle piece 9b is in contact with the lower end surface of the nasal cover base material 4, and the support fitting 9 is fixed to the nasal cover base material 4 in a stable posture.

  Next, as shown in FIG. 3, the end portion of the eaves ceiling plate 8 on the nose cover side is placed on the upper part of the support fitting 9 in an oblique state in which the end portion on the outer wall surface 6 side of the eaves ceiling plate 8 is lowered. The eaves ceiling plate 8 is slid in the direction of the outer wall surface 6 (in the direction of the arrow a in FIG. 3), and the end of the eaves ceiling plate 8 on the nose cover side is placed on the contact piece 9c of the support fitting 9. To do.

  At this time, in this embodiment, the connecting piece of the support fitting 9 is composed of an angle piece 9b having an L-shaped cross section, and the support fitting 9 is formed by a mounting piece 9a, an angle piece 9b, and an abutment piece 9c. By being configured in the shape, the support metal fitting 9 can be configured to be open at the top, and the eaves ceiling plate 8 in an oblique state in which the end on the outer wall surface 6 side of the eaves ceiling plate 8 is lowered. Even if the eaves ceiling board 8 is slid in the direction of the outer wall surface 6 side, the nose-hidden side end is temporarily supported on the connecting piece made of the L-shaped angle piece 9b. The end of the ceiling plate 8 on the nasal concealment side can be easily and safely moved and placed on the contact piece 9c of the support fitting 9.

  In the present embodiment, the support bracket 9 having a W-shaped cross section for placing and supporting the end portion of the eaves ceiling board 8 on the nose cover side has a configuration in which an upper portion is opened. Therefore, as shown in FIG. The end of the nose-hidden side of the ceiling plate 8 is inserted into the upper part of the support fitting 9 and the end of the eaves ceiling plate 8 on the side of the outer wall 6 is lowered so that the eaves ceiling plate faces the outer wall 6 side. 8 can be secured sufficiently, and the end of the eaves ceiling plate 8 on the nasal concealment side is temporarily supported by a support fitting 9 having a W-shaped cross section so that the eaves ceiling plate 8 can be stably and easily provided. It can be placed on the contact piece 9 c of the support metal 9.

  Next, as shown in FIG. 3, the end on the outer wall surface 6 side of the eaves ceiling plate 8 is fixed to the lower surface 7a of the wall edge 7 by a nail 11 serving as a fixing member.

  As a result, the end of the eaves ceiling plate 8 is placed on the contact piece 9c of the support fitting 9 while the end of the eaves ceiling plate 8 is placed on the outer wall 6 side. Since it can fix to the edge 7, the construction work of the eaves ceiling board 8 can be performed by one worker, and it is excellent in workability.

  Further, it is not necessary to increase the squeezing allowance of the contact piece 9c of the support metal 9, and the size of the support metal 9 can be reduced. Further, since there is no gap on the outer wall surface 6 side, there is no need for a member that hides the gap.

  After placing the end of the eaves ceiling plate 8 on the nose concealment side on the contact piece 9c of the support fitting 9 and fixing the end of the eaves ceiling plate 8 on the outer wall surface 6 side to the edge of the wall, As shown in FIG. 4 (a) or FIG. 5 (a) from the first notch 9d provided on the hanging piece 9b2 of the angle piece 9b of the support metal 9, the first, One of the second restraint pieces 12a and 12b is selectively inserted in accordance with the thickness of the eaves ceiling plate 8 so as to contact the upper surface of the eaves ceiling plate 8 and the first and second of the restraint fitting 12 The other of the restraining pieces 12a and 12b is brought into contact with the lower surface of the abutting piece 9c of the support fitting 9 on which the eaves ceiling plate 8 is placed, and the eaves ceiling plate 8 and the abutting piece 9c of the support fitting 9 are connected by the restraint fitting 12. It can be pinched and restrained and fixed with one touch.

  In the present embodiment, the thickness of the contact piece 9c of the support fitting 9 is set to 2 mm, and the height of the protrusion 12b1 provided on the second restriction piece 12b of the restriction fitting 12 by press molding is set to the second thickness. FIG. 4 shows an example in which the eaves ceiling plate 8 having a thickness of 13 mm is fixed in FIG. 4 and the eaves ceiling plate 8 having a thickness of 11 mm is fixed in FIG.

  As shown in FIG. 4, when the thick eaves ceiling plate 8 is fixed, the protruding portion 12 b 1 provided on the second restraining piece 12 b of the restraining metal 12 is provided on the contact piece 9 c of the support metal 9. The thick eaves ceiling plate 8 is formed by the first constraining piece 12a having no projecting portion inserted through the first notch portion 9d and the abutting piece 9c of the support fitting 9 by being fitted into the two notch portions 9e. The eaves ceiling board 8 can be fixed to the nose-covering base material 4 by holding and restraining.

  Further, as shown in FIG. 5, when the thin eaves ceiling plate 8 is fixed, the second restraint piece 12 b having the protruding portion 12 b 1 of the restraint fitting 12 is inserted from the first notch portion 9 d of the support fitting 9. The thin eaves ceiling plate 8 is sandwiched and restrained by the projecting portion 12b1 of the second restraint piece 12b and the abutting piece 9c of the support fitting 9, and the eaves ceiling plate 8 can be fixed to the nose masking base material 4. I can do it.

  Notches 12a1 and 12b2 are provided at the center of each of the pair of first and second restraint pieces 12a and 12b of the restraint fitting 12, whereby the first and second restraint pieces 12a and 12b are springs. It is configured so as to absorb some difference in thickness of the eaves ceiling board 8 by exhibiting the properties.

  As shown in FIG. 1, a mounting piece 13 e of a ventilation parting material 13 that covers the support fitting 9, the restraining fitting 12, and the end of the eaves ceiling board 8 on the nose-folding side is fixed to the lower surface 4 b of the nose-covering base material 4. It is fixed with screws 10 as members.

  As shown in FIG. 6, the ventilation parting member 13 is erected by being connected to the bottom surface portion 13a provided with a ridge portion 13a1 having a U-shaped cross section in the longitudinal direction and the outer wall surface 6 side of the bottom surface portion 13a. A wall surface portion 13b, an insertion piece 13c connected to the wall surface portion 13b and inserted between the upper surface of the abutting piece 9c of the support fitting 9 and the lower surface of the eaves ceiling plate 8, and the nose cover plate 3 of the bottom surface portion 13a. A vent portion 13d which is connected to the side and stands up; a mounting piece 13e which is connected to the vent portion 13d and protrudes to the nasal concealment plate 3 side and is further folded back to the outer wall surface 6 side; It has a projecting piece 13f that projects to the wall surface 6 side, and a hanging piece 13g that is connected to the projecting piece 13f and hangs down.

  The whole of the long air-permeable parting material 13 is integrally formed by bending a sheet of steel, stainless steel or the like by a cold roll forming method or the like.

  As shown in FIG. 6, the ventilation part 13d of the ventilation parting member 13 includes an upright piece 13d1, an inclined piece 13d2 that is connected to the upright piece 13d1, rises inward, and a slit provided in the inclined piece 13d2. As shown in FIG. 1, a ventilation path b between the interior of the hut 1 and the outside air is formed through a ventilation air passage 13h inside the ventilation parting member 13, as shown in FIG. The

  In this embodiment, since the ventilation of the back of the hut 1 can be ventilated through the ventilation closing material 13 on the nose cover side where rain wind does not directly hit in the case of storm, it is excellent in waterproofness. However, the ventilation path of this embodiment shown in FIG. At b, the rain wind once rises between the lower end portion of the nose cover plate 3 and the ventilation portion 13d, descends obliquely from the ventilation hole 13d3 provided in the inclined piece 13d2, and collides with the hanging piece 13g which also serves as a water return. The drained outside air rises again and can enter the shed 1 through the gap between the hanging piece 13g and the end of the eaves ceiling board 8 on the nose cover side. The air flows in the reverse direction through the ventilation path b and is ventilated with the outside air.

  This ensures ventilation of the back of the hut 1 on the nasal concealment side where the rain wind does not directly hit during a storm due to the ventilation parting material 13, as well as the support metal part 9, the restraining metal part 12, and the end part of the eaves ceiling board 8 on the nasal part side. It is possible to prevent rain and wind from entering the back of the hut 1.

  The hanging piece 13g of the ventilation parting member 13 is disposed at a position facing the protruding portion 12d projecting from the connecting piece 12c of the restraining metal fitting 12 to the nose concealment side, and the protruding portion 12d contacts the hanging piece 13g. The restraint fitting 12 can be prevented from falling off, and the eaves ceiling plate 8 can be stably restrained against the contact piece 9c of the support fitting 9.

  A non-combustible volume expansion material 14 that is expanded by heat is provided in the ventilation air passage 13 h of the ventilation parting material 13. The non-combustible volume expansion material 14 may be installed in any part of the ventilation parting material 13 as long as it can be thermally expanded in the event of a fire and block the ventilation air passage 13h of the ventilation parting material 13. In this embodiment, it is an example at the time of providing on the bottom face part 13a of the ventilation parting material 13. FIG.

  The non-combustible volume expansion material 14 can be attached to the inner surface of the ventilation parting material 13 with an adhesive or an adhesive tape. The non-flammable volume expansion material 14 is an expandable graphite-based flameproof and smokeproof sealant, and has a property of expanding about 10 times when the passing hot air temperature is 150 ° C. to 170 ° C. As the noncombustible volume expansion material 14, for example, “Inzmex (trade name)” manufactured by Austrian Chemie Linz and various noncombustible volume expansion materials are applicable.

  In FIG. 7A, the non-combustible volume expansion material 14 is placed on the bottom portion 13a of the ventilation parting material 13 below the end of the eaves ceiling board 8 on the nasal cover side, and the non-combustible volume expansion material 14 is thermally expanded. FIG. 7 (b) is a view showing a state in which the ventilation air passage 13h is blocked. FIG. 7 (b) shows that the non-combustible volume expansion material 14 is placed on the bottom side 13a of the ventilation parting material 13 on the nasal concealment side rather than the hanging piece 13g. FIG. 3 is a view showing a state in which the non-combustible volume expansion material 14 is thermally expanded to block a ventilation air passage 13h. Thus, by providing the non-combustible volume expansion material 14 in the ventilation air passage 13h of the ventilation parting material 13, the non-combustion volume expansion material 14 may block the ventilation air passage 13h in the event of a fire. Therefore, a high-density hot air shielding part can be formed, and fire resistance is improved.

  According to the above configuration, it is possible to cope with the fixing of the eaves ceiling plate 8 which is a supported member having a plurality of different thicknesses by one type of fixing bracket composed of the support bracket 9 and the restraint bracket 12, and provides a fixture that is easy to construct. Moreover, the eaves ceiling plate 8 can be installed on the lower surface of the eaves protruding from the outer wall surface of the building using the fixing bracket.

  In the above-described embodiment, an example of fixing the eaves ceiling plate 8 that is horizontally disposed as the supported member has been described. However, the present invention is also applicable to, for example, fixing a building exterior material that is disposed in the vertical direction. In this case, the support metal 9 is fixed to the exterior base material serving as a support member in the vertical direction so that the contact piece 9c of the support metal 9 is in the vertical direction, and the exterior material is attached to the contact piece 9c of the support metal 9. And the first notch portion 9d provided on the hanging piece 9b2 of the angle piece 9b of the support fitting 9 with the restraint fitting 12 in the vertical direction according to the plate thickness of the exterior material. One of the pieces 12a and 12b is selectively inserted as appropriate, and the exterior material and the abutting piece 9c of the support fitting 9 are sandwiched and restrained by the first and second restraint pieces 12a and 12b, so that the exterior base material is The exterior material can be fixed with one touch.

  As an application example of the present invention, the present invention can be applied to a fixture for fixing a supported member to a support member and a support structure for an eaves ceiling board installed on the lower surface of an eave protruding from the outer wall surface of the building using the fixture.

It is a section explanatory view showing the composition of the eaves ceiling board support structure using the fixture according to the present invention. (A), (b) is a perspective view which shows the structure of a support metal fitting and a restraint metal fitting. It is a figure which shows a mode that the eaves ceiling board used as a to-be-supported member is installed. It is sectional explanatory drawing which shows a mode that the eaves ceiling board used as a to-be-supported member is restrained to a support metal fitting with a restraint metal fitting. It is sectional explanatory drawing which shows a mode that the eaves ceiling board used as a to-be-supported member is restrained to a support metal fitting with a restraint metal fitting. It is a perspective view which shows the structure of a ventilation parting material. It is a figure which shows a mode that the nonflammable volume expansion material provided in the air path for ventilation expanded with the heat.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Shack 2 ... Roof 3 ... Nasal concealment board 4 ... Nasal concealment base material (support member)
4b ... lower surface 5 ... trunk edge 6 ... outer wall 7 ... wall edge nose 7a ... lower surface 8 ... eaves ceiling board (supported member)
9 ... Supporting bracket 9a ... Mounting piece
9a1 ... Mounting hole 9b ... Angle piece
9b2 ... Drooping piece 9c ... Abutting piece 9d ... First notch 9e ... Second notch
10 ... Screw
11 ... Nails
12 ... Restraint bracket
12a ... First restraint piece
12a1 ... Notch
12b ... Second restraint piece
12b1 ... Projection
12b2 ... Notch
12c ... Connection piece
12d ... Projection
13… Ventilation parting material
13a ... Bottom
13a1… Projection
13b ... Wall surface
13c ... Insertion piece
13d ... Ventilation part
13d1 ... Standing piece
13d2 ... Inclined piece
13d3… Vent hole
13e ... Mounting piece
13f ... projecting piece
13g ...
13h… Ventilation air passage
14 ... Noncombustible volume expansion material

Claims (4)

A fixture for fixing a supported member to a support member,
An attachment piece attached to the support member, a connection piece connected to the attachment piece and provided with a first notch, and one surface on the end side of the supported member connected to the connection piece And a contact piece provided with a second notch, and a support fitting,
The other end of the supported member, which is inserted through a first notch provided in the connecting piece of the support fitting, is in contact with one surface on the end side of the contact piece of the support fitting. First and second restraining pieces that can come into contact with the surface of the support member are formed in a U-shaped cross-section through the connecting piece, and one of the first and second restraining pieces is a plate of the contact piece of the support metal fitting. A protrusion having a height equal to or less than a thickness and capable of being fitted into the second notch is provided, and the supported member and the contact piece of the support fitting are sandwiched by the first and second restraining pieces Restraint brackets to restrain,
The fixing metal fitting characterized by having. A support structure for an eaves ceiling board installed on the lower surface of the eaves protruding from the outer wall surface of the building using the fixing bracket according to claim 1,
An attachment piece of the support fitting is attached to the nose cover base material serving as the support member, and the end portion on the nose cover side of the eaves ceiling board serving as the supported member is placed and supported on the contact piece of the support fitting. And
The first restraint piece or the second restraint piece of the restraint fitting is selectively inserted from the first notch provided in the connection piece of the support bracket according to the thickness of the eaves ceiling plate, When the protrusion provided on one of the first and second restraining pieces corresponds to the second notch provided on the contact piece of the support metal fitting, the protrusion is inserted into the second notch. Let
The support in which one of the first and second restraining pieces of the restraining metal is in contact with the upper surface of the eaves ceiling plate and the other of the first and second restraining pieces of the restraining metal is placed on the eaves ceiling plate. Abutting on the lower surface of the abutting piece of the metal fitting and being restrained by sandwiching the eaves ceiling plate and the abutting piece of the supporting metal fitting by the restraining metal fitting,
An eaves ceiling board support structure, wherein an end portion of the eaves ceiling board on the outer wall surface side is fixed to a wall edge. The eaves ceiling according to claim 2, wherein a ventilation parting material that covers the support metal fitting, the restraining metal fitting, and an end portion of the eaves ceiling board on the nose concealment side is fixed to the nose cover base material. Board support structure. The eaves ceiling board support structure according to claim 3, wherein a noncombustible volume expansion material that expands by heat is provided in the ventilation air passage of the ventilation parting material.

Images