JP4248991B2 - Corner member mounting structure - Google Patents

Description

The present invention, external corner disposed by interposing a fixture at the corners of building structures, relates to a mounting structure of corner members, such as narrow external corner.

  Conventionally, when mounting a corner member such as a projecting corner or a narrow projecting corner (a projecting corner with a side length of about 50 mm or less in the cross section) to the corner of the building frame, fixing with an adhesive, nails, screws, etc. It was done. However, there is a problem that sufficient weather resistance is not realized by bonding with an adhesive, and fixing with a nail or screw may not only cause breakage or chipping in the corner member, but also nail or screw on the surface of the corner member. There was also a design problem of exposure.

  Therefore, a corner member mounting structure using a fixture for fixing the corner member and the building frame has been put into practical use. In this type of mounting structure, the corner member is temporarily fixed to the building frame by attaching the mounting tool to the corner member in advance, and the corner member is then applied to the building frame by applying caulking material. For example, the mounting structure of the corner member using the mounting tool is disclosed in Japanese Utility Model Laid-Open No. 55-42769 (Patent Document 1) or Japanese Utility Model Laid-Open No. 61-177147. (Patent Literature 2) discloses one.

  The corner member mounting structure disclosed in Patent Document 1 is provided with a locking recess whose cross-sectional shape is wider at the back than the entrance portion at the corner of the corner member, and one end of the mounting tool is formed in a substantially square shape. To form a locking piece composed of a base piece and a tip piece, further providing a frictional engagement portion on the surface of the locking piece, and locking the tip piece of the locking piece behind the locking recess At the same time, the base piece is locked to the entrance portion of the locking recess, the friction engagement portion is frictionally engaged with the inner wall of the entrance portion of the locking recess, and in this state, the fixture is attached to the building frame with nails or screws. Thus, the corner member is temporarily fixed to the building frame.

  Further, the corner member mounting structure disclosed in Patent Document 2 is configured to lock a locking piece formed by bending the front end of the mounting tool at an acute angle in an inclined locking groove provided on the back surface of the corner member, By fitting the L-shaped fitting piece that continues from the base side of the fixture to the side edge of the corner member, and attaching the fixture to the building frame with nails or screws in this state, the corner member is Temporarily fixed to the housing.

  By adopting the corner member mounting structure disclosed in these Patent Documents 1 and 2, nails, screws and the like are covered with joints, which is excellent in design. However, each of the corner member mounting structures disclosed in Patent Document 1 or 2 is such that a fixture is attached to the inner surface of one side of a corner member having an L-shaped cross section, and the corner member extends in the vertical direction during construction. It is necessary to mount the fixtures alternately at predetermined intervals at predetermined intervals. For this reason, there has been a problem that the installation work becomes complicated and the degree of freedom in construction is hindered.

  As a corner member mounting structure for solving these problems, there are those disclosed in Japanese Patent Laid-Open No. 2001-90312 (Patent Document 3) and those disclosed in Japanese Patent Laid-Open No. 2001-271477 (Patent Document 4).

  The corner member mounting structure disclosed in Patent Document 3 has an engagement groove on the inner surface of the corner portion of the corner member having an L-shaped cross section, and has a base plate portion disposed along the inner surface portions on both sides of the corner member. The fixture is fixed to the corner member by providing the latch piece and the tongue-like piece on the fixture, and raising the tongue-like piece after inserting the latch piece and the tongue-like piece into the engagement groove of the corner member, In this state, the corner member is temporarily fixed to the building frame by attaching the fixture to the building frame with nails or screws.

  Further, the corner member mounting structure disclosed in Patent Document 4 is provided with an engagement groove on the inner surface of the corner portion of the corner member having an L-shaped cross section, and the base plate portion disposed along the inner surface portions on both sides of the corner member. By providing an elastic force generating curved portion in the fixture having the base plate portions, elastically deforming the fixture toward the direction in which the base plate portions approach each other, and inserting the elastic force generating curved portion of the fixture into the engaging groove of the corner member, A fixture is fixed to the corner of the building by fixing the fixture to the corner and attaching the fixture to the building with a nail or a screw in this state.

  By adopting the corner member mounting structure disclosed in these Patent Documents 3 and 4, it becomes possible to mount the mounting tool on the corner member without checking the mounting tool up and down during construction. Or, compared with the case where the corner member mounting structure disclosed in 2 is adopted, the mounting operation is greatly simplified. For this reason, the effect which the freedom degree of construction increases is acquired.

However, when the corner member mounting structure disclosed in Patent Document 3 is employed, it is necessary to raise the tongue-like piece with a screwdriver or the like when attaching the fixture to the corner member, which is troublesome. There's a problem. On the other hand, when the corner member mounting structure disclosed in Patent Document 4 is adopted, it is necessary to slide and insert the elastic force generating curved portion provided in the fixture into the engaging groove, which makes the operation complicated. Have the problem. In addition, the corner member is generally a ceramic-based extruded body made of cement or the like as a raw material, and it is difficult to finish the opening dimension of the engagement groove with high accuracy, thereby reducing the productivity of the corner member. There is also a problem.
Japanese Utility Model Publication No. 55-42769 Japanese Utility Model Publication No. 61-177147 JP 2001-90312 A JP 2001-271477 A

  As described above, in the conventional corner member mounting structure, it cannot be said that the ease of mounting work and sufficient mounting strength are satisfied, and the corner member mounting structure that satisfies these conditions is not satisfied. Development was desired.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a corner member mounting structure suitable for mounting a corner member formed of a ceramic material, and more specifically, a mounting tool can be simply attached to the corner member. it can be, and is intended to provide a mounting structure of the corner member attachment strength is maintained high for the fixture relative to the corner member.

  The corner member mounting structure according to the present invention is a corner member mounting structure in which a corner member is attached to a corner portion of a building frame via a fixture.

  The corner member includes a first base portion extending from the corner portion toward the first direction, a second base portion extending from the corner portion toward the second direction, and a concave portion positioned on the building housing side of the corner portion. Including. The first base portion has a first inner surface portion on the building housing side, and the second base portion has a second inner surface portion on the building housing side. The recess includes a first engagement surface extending in a direction substantially parallel to the second direction, and a second engagement surface extending in a direction substantially parallel to the first direction.

The fixture is located at a first base plate portion disposed along the first inner surface portion, a second base plate portion disposed along the second inner surface portion, and a connecting portion between the first base plate portion and the second base plate portion. A curved projection and a tongue-shaped projection. The bending protrusion extends from the connecting portion in a direction away from the second base plate portion, and the tongue-like protrusion is elastically deformable and extends from the connecting portion in a direction away from the first base plate portion. Yes.
The inner angle of the connecting portion is larger than the inner angle of the corner portion in the non-attached state.
The tongue-shaped protrusion extends in a direction intersecting with the main surface of the second base plate portion, and the tip thereof faces the side edge side located on the side opposite to the connecting portion of the second base plate portion.
The bent projection can be inserted into the recess by moving the second base plate portion along the second base portion, and the bent projection is completely accommodated in the recess. In this state, the contact with the second inner surface portion is released, and it can be accommodated in the recess by rising toward the recess based on the elastic restoring force.

And in the state which attached the fixture to the corner member, the bending protrusion and the tongue-shaped protrusion are accommodated in the concave portion, and the second base plate portion is pressed and urged against the second inner surface portion. The protrusion is elastically biased toward the first engagement surface, and the tip of the tongue-shaped protrusion is brought into contact with the second engagement surface, so that the mounting tool cannot move relative to the corner member in the mounting direction. It is fixed.

With this configuration, the fixture can be directly attached to the corner member without being slid into the corner member, thereby facilitating the installation work and the base plate of the fixture on the two inner surface portions of the corner member. Since the parts come into contact with each other, sufficient mounting strength is also realized. Further, by adopting the above configuration, the base plate portion of the fixture can be easily brought into contact with the two inner surface portions of the corner member, so that the mounting structure is easily realized.

  In the corner member mounting structure according to the present invention, it is preferable that the curved projection has a curved surface, and the curved surface is in contact with the first engagement surface.

  By configuring in this way, the friction between the first engaging surface and the curved projection that occurs when the curved projection of the fixture is inserted into the recess of the corner member is greatly reduced. The fixture can be smoothly attached to the corner member.

According to the present invention conveniently can attach the fitting to the corner member, and it is possible to provide a mounting structure of the corner member attachment strength is maintained high for the fixture relative to the corner member. For this reason, a corner member mounting structure suitable for mounting a corner member formed of a ceramic material is realized.

  Hereinafter, a corner member mounting structure according to an embodiment of the present invention will be described with reference to the drawings.

(Mounting structure)
FIG. 1 is a cross-sectional view showing a corner member mounting structure in the present embodiment. First, with reference to FIG. 1, the outline of the corner member mounting structure in the present embodiment will be described.

  In the corner member mounting structure in the present embodiment, a corner member 10 supported by a mounting tool is mounted on a corner portion of a pillar 90 that is a building frame. The corner member 10 is called a narrow-width corner, and generally has a side length of 50 mm or less in the cross section. Joints 50 and 60 are provided between the corner member 10 and the outer wall panels 30 and 40 of the building, and this portion is filled with a caulking material. The fixture 20 is made of, for example, a steel material such as stainless steel, and is fixed to the column 90 with nails 70 and 80.

(Corner member shape)
FIG. 2 is a cross-sectional view of the corner member in the present embodiment. Hereinafter, the cross-sectional shape of the corner member 10 will be described in detail with reference to FIG.

  The corner member 10 is a ceramic-type extrusion molded body generally made of cement or the like as a raw material, and has an L-shape in a cross section perpendicular to the longitudinal direction, as shown in FIG. The corner member 10 includes a first base portion 11a extending from the corner portion 13 in the first direction, and a second base portion 11b extending from the corner portion 13 in the second direction. The first inner surface portion 12a is positioned on the column 90 side of the first base portion 11a, and the second inner surface portion 12b is positioned on the column 90 side of the second base portion 11b.

  A concave portion 14 is provided on the column 90 side of the corner portion 13 of the corner member 10. The recess 14 includes a first engagement surface 14a extending in a direction substantially parallel to the second direction, and a second engagement surface 14b extending in a direction substantially parallel to the first direction.

  Usually, the corner of the building frame is often formed at approximately 90 °. For this reason, the internal angle (angle formed by the first inner surface portion 12a and the second inner surface portion 12b) θ1 of the corner portion 13 of the corner member 10 in the present embodiment is 90 °.

(Shape of fixture)
FIG. 3 is a front view, a plan view, and a side view of the fixture in the present embodiment. Hereinafter, the shape of the fixture 20 will be described in detail with reference to FIG.

  As shown in FIG. 3, the fixture 20 includes a first base plate portion 21 a disposed along the first inner surface portion 12 a of the corner member 10, and a second base member disposed along the second inner surface portion 12 b of the corner member 10. 2 base plate portion 21b. The first base plate portion 21a and the second base plate portion 21b are formed by bending a sheet steel material, and the connecting portion 22 is located at the bent portion.

  A bending projection 23a and a tongue-like projection 23b are provided in the vicinity of the connecting portion 22 of the fixture 20. Both the bent protrusion 23a and the tongue-like protrusion 23b are formed by raising a part of the first base plate portion 21a. The bending projection 23a extends in a direction away from the second base plate portion 21b, and the tongue-like projection 23b extends in a direction away from the first base plate portion 21a. The bending protrusion 23a is located on the surface including the second base plate portion 21b.

  A curved surface 23a1 that protrudes toward the first base plate portion 21a is formed at the tip of the bending projection 23a. The curved surface 23a1 is formed, for example, by bending the tip of a protruding piece cut and raised from the first base plate portion 21a.

  The tongue-shaped protrusion 23b is formed by further raising a part of the protrusion cut and raised from the first base plate part 21a. The tongue-shaped protrusion 23b extends in a direction intersecting with the main surface of the second base plate portion 21b, and its tip is directed to the side edge located opposite to the connecting portion 22 of the second base plate portion 21b. It is configured.

  Mounting holes 24a and 24b for nailing are provided at predetermined positions of the first base plate portion 21a and the second base plate portion 21b, respectively. The nailing mounting holes 24a and 24b are provided when the fixture is viewed from the decorative surface (surface opposite to the inner surface) of the corner member in a state where the fixture 20 is attached to the corner member 10. It is provided in the exposed part.

  The internal angle (angle formed by the first base plate portion 21 a and the second base plate portion 21 b) θ <b> 2 of the connecting portion 22 of the fixture 20 is formed to be slightly larger than the internal angle θ <b> 1 of the corner portion 13 of the corner member 10. In the present embodiment, since the internal angle θ1 of the corner portion 13 of the corner member 10 is 90 °, the internal angle θ2 of the connecting portion 22 is preferably configured to be about 95 ° to 105 °, for example. This point will be described later.

(Installation procedure for corner members and fixtures)
FIG. 4 is an exploded perspective view of the corner member mounting structure in the present embodiment. 5 to 8 are first to fourth cross-sectional views showing a procedure for attaching the corner member in the present embodiment. Hereinafter, with reference to these drawings, a procedure for attaching the corner member and the fixture will be described in detail.

  As shown in FIG. 4, the fixture 20 in the present embodiment can be directly attached to a predetermined position of the corner member 10. That is, it is not necessary to slide the attachment tool up and down from the longitudinal end portion of the corner member 10, and it can be directly attached from the direction intersecting the longitudinal direction of the corner member 10 (arrow A direction in the figure). is there.

  First, as shown in FIGS. 4 and 5, the fixture 20 is moved in the direction of the arrow A in the figure, and the bent protrusion 23 a of the fixture 20 is inserted into the recess 14 of the corner member 10. At this time, when the second base plate portion 21 b of the fixture 20 is placed along the second base portion 11 b of the corner member 10, the distal end of the bending projection 23 a is smoothly introduced into the recess 14.

  FIG. 6 is a view showing a state in which a part of the bending projection 23 a of the fixture 20 is introduced into the recess 14 of the corner member 10. As shown in FIG. 6, the first base plate portion 21 a of the fixture 20 abuts against the first inner surface portion 12 a of the corner member 10 in a state where the bent protrusion 23 a is not completely inserted into the recess 14. The second base plate portion 21 b is pressed and urged toward the second inner surface portion 12 b of the corner member 10 by the elastic force generated by this. For this reason, the tongue-like protrusion 23b provided in the vicinity of the connecting portion 22 of the fixture 20 is pressed toward the second inner surface portion 12b of the corner member 10, and is elastically deformed toward the second base plate portion 21b side. ing. In this state, the curved surface 23a1 located at the tip of the bending projection 23a is in contact with the engagement surface 14a of the recess 14.

  By moving the fixture 20 further in the direction of arrow A from the above state, the bent protrusion 23a is completely accommodated in the recess 14 as shown in FIG. In this state, the tongue-like protrusion 23b is released from contact with the second inner surface portion 12b, and rises by a restoring force due to elastic deformation until then (bounces up in the direction of arrow D in the drawing) It will be accommodated in the recess 14. At the same time, the first base plate portion 21 a of the fixture 20 contacts the first inner surface portion 12 a of the corner member 10, and the second base plate portion 21 b of the fixture 20 contacts the second inner surface portion 12 b of the corner member 10. Touch.

  In the above state, the fixture 20 is pressed and urged in the direction in which the first base plate portion 21a and the second base plate portion 21b are brought close to each other, so that the first base plate portion 21a and the second base plate portion 21b are connected to the first inner surface portion 12a and The second inner surface portion 12b is pressed and biased (in the direction of arrows B1 and B2 in the figure). Along with this, the bending projection 23a is elastically biased toward the first engagement surface 14a (in the direction of arrow C in the figure). Further, in the above state, the tongue-like protrusion 23 b is accommodated in the recess 14, and the tip thereof is in contact with the second engagement surface 14 b of the recess 14. As described above, the fixture 20 is fixed so as not to move relative to the corner member 10, so that the corner member 10 and the fixture 20 are firmly fixed.

  In addition, in the fixture 20 in this Embodiment, the bending protrusion 23a introduced in the recessed part 14 has the curved surface 23a1 in the front-end | tip. For this reason, the friction between the first engagement surface 14a and the bent protrusion 23a is greatly reduced, and the bent protrusion 23a is smoothly inserted into the recess 14.

  Moreover, in the fixture 20 in this Embodiment, it is comprised so that the internal angle (theta) 2 of the connection part 22 may be 100 degrees. This is because when the inner angle θ2 is 90 °, the fixing strength may be slightly reduced due to the angle error. Therefore, the inner angle θ2 is preferably about 95 ° to 105 °. When the internal angle θ2 exceeds 105 °, the fixture becomes hard and a large force is required at the time of attachment. In particular, when the angle exceeds 110 °, it can be attached, but the workability on the site is greatly reduced.

  After that, as shown in FIG. 8, a pillar which is a building frame using nails 70 and 80 using the mounting holes 24 a provided in the first base plate portion 21 a and the mounting holes 24 b provided in the second base plate portion 21 b. The fixture 20 on which the corner member 10 is supported is fixed to 90. And the attachment structure of the corner member 10 shown in FIG. 1 is completed by performing attachment of the outer wall panels 30 and 40, and joint processing.

(Function and effect)
As described above, by adopting the mounting structure of the corner member 10 and the mounting tool 20 in the present embodiment, the mounting tool 20 can be directly mounted on the corner member 10 without being slid and inserted. While simplifying, since it becomes the structure which the base plate parts 21a and 21b of the fixture 20 contact | abut to the two inner surface parts 12a and 12b of the corner member 10, sufficient attachment strength is also implement | achieved. For this reason, a corner member mounting structure suitable for mounting a corner member formed of a ceramic material is realized.

  In the above-described embodiment, the case where a nail is used to attach the fixture to the building frame has been described. However, the present invention is not particularly limited to this, and the fixture can be reliably attached to the building cabinet. If present, other attachment means such as an adhesive can be used.

  Moreover, in the said embodiment, although the case where the corner member and attachment tool of a shape as shown to FIG. 2 and FIG. 3 were used was demonstrated and demonstrated, it is not limited to this shape in particular. For example, the present invention can be applied to a corner member having a cross-sectional shape as shown in FIG. 9, and the shape of the fixture can be changed as appropriate.

  Moreover, in the said embodiment, although the case where the ceramics type material was selected as a material of a corner member was illustrated and demonstrated, by making it the same shape also in the corner member formed with other materials It is possible to obtain an equivalent effect. Further, the material of the fixture is not limited to stainless steel, and any material may be used as long as it can obtain an appropriate elastic force.

  Furthermore, in the above-described embodiment, the corner member has been described with a narrow corner as an example. However, the present invention is applied to various decorative materials such as a normal corner, a parting material, a decorative pillar, and a frame material. The invention can be applied.

  Thus, the above-described embodiment disclosed herein is illustrative in all respects and is not restrictive. The technical scope of the present invention is defined by the terms of the claims, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

It is a cross-sectional view which shows the attachment structure of the corner member in embodiment of this invention. It is a cross-sectional view of the corner member in the embodiment of the present invention. It is the front view of the fixture in embodiment of this invention, a top view, and a side view. It is a disassembled perspective view of the attachment structure of the corner member in embodiment of this invention. It is a 1st sectional view showing the attachment procedure of the corner member in the embodiment of the present invention. It is 2nd sectional drawing which shows the attachment procedure of the corner member in embodiment of this invention. It is a 3rd sectional view showing the attachment procedure of the corner member in the embodiment of the present invention. It is a 4th sectional view showing the attachment procedure of the corner member in the embodiment of the present invention. It is sectional drawing which shows the other form of a corner member.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Corner member, 11a 1st base part, 11b 2nd base part, 12a 1st inner surface part, 12b 2nd inner surface part, 13 corner | angular part, 14 recessed part, 14a 1st engagement surface, 14b 2nd engagement surface, 20 Mounting tool, 21a 1st base plate part, 21b 2nd base plate part, 22 connection part, 23a curved projection part, 23a1 curved surface, 23b tongue-like projection part, 24a, 24b mounting hole, 30, 40 outer wall panel, 50, 60 Joints, 70, 80 nails, 90 pillars.

Claims (2)

A corner member mounting structure in which a corner member (10) is attached to a corner portion of a building frame (90) via a fixture (20),
The corner member (10) extends from the corner portion (13) in a first direction, and has a first base portion (11a) having a first inner surface portion (12a) on the building housing (90) side, A second base portion (11b) extending from a corner portion (13) in a second direction intersecting the first direction and having a second inner surface portion (12b) on the building housing (90) side; A first engagement surface (14a) that is located on the building housing (90) side of the corner (13) and extends in a direction substantially parallel to the second direction and a direction substantially parallel to the first direction A recess (14) having a second engagement surface (14b) extending toward
The fixture (20) includes a first base plate portion (21a) arranged along the first inner surface portion (12a) and a second base plate portion (arranged along the second inner surface portion (12b)). 21b), extending from the connecting portion (22) of the first base plate portion (21a) and the second base plate portion (21b) in a direction away from the second base plate portion (21b), and into the concave portion (14). and housed Ru the bent projection (23a), the extending connection part from (22) in a direction away from the first base plate portion (21a), said recess (14) to be accommodated is Ru elastically deformable tongue A protrusion (23b),
In the non-attached state, the inner angle (θ2) of the connecting portion (21b) is larger than the inner angle (θ1) of the corner portion (13),
The tongue-like protrusion (23b) extends in a direction intersecting the main surface of the second base plate part (21b), and the tip is opposite to the connection part (22) of the second base plate part (21b). Facing the side edge located on the side,
The bent protrusion (23a) can be inserted into the recess (14) by moving the second base plate portion (21b) along the second base portion (11b).
The tongue-like protrusion (23b) is released from contact with the second inner surface part (12b) in a state where the bent protrusion (23a) is completely accommodated in the recess (14). It can be accommodated in the recess (14) by rising toward the recess (14) based on its elastic restoring force,
In the mounted state, the second base plate portion (21b) is pressed and urged against the second inner surface portion (12b), so that the bent protrusion (23a) faces the first engagement surface (14a). When the tip of the tongue-like protrusion (23b) abuts against the second engaging surface (14b), the fixture (20) is attached to the corner member (10) in the mounting direction. The corner member mounting structure is fixed so that it cannot move relative to the corner. The curved protrusion (23a) has a curved surface (23a1),
The corner member mounting structure according to claim 1, wherein the curved surface (23a1) is in contact with the first engagement surface (14a).

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