JP2007051487A - Joining fastener of wall panel and its joining structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To smoothly and properly perform both operation for fitting a fastener in a support material and operation for receiving a bending plate part of a wall panel to the fitted-in fastener. <P>SOLUTION: This fastener F is fitted in the support material 200 of the wall panel 300 forming a C type channel shape; and joins the mutual wall panels 300 having the bending plate part 302 projecting toward the panel back face side 304 in a joining end part 301 in a state of butting an outside surface 302a of the bending plate part 302; and has a back part 1 and both wing parts 2 and 2 projecting forward from this back part 1; and is constituted so as to receive the bending plate part 302 of the wall panel 300 from the front between both wing parts 2 and 2 after being fitted in this support material 200 while elastically deforming both wing parts 2 and 2 with the back part 1 as the top from an opening part 201 of the support material 200. The back part 1 also has a soft part 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a fastener used for connecting wall panels used in a building, and an improvement in a joining structure in which adjacent wall panels are joined together by the fastener.

  The wall panels 300 having the bent plate portions 302 protruding toward the back side of the panel are joined to the joining end portion 301 in a state where the outer surfaces of the bent plate portions 302 are brought into contact with each other. As a fastener F used for supporting the support member 200 of the wall panel 300 having a mold channel shape, there is one shown in FIG.

  The fastener F is formed by extrusion molding of plastic, and is used by cutting according to a required length, that is, the height of the wall panel 300. The fastener F includes a back part 100 and a pair of wing parts 101 and 101 protruding forward from the back part 100. And this fastener F makes this fastener F fit in the support material 200 from the opening part 201 of the support material 200, Then, it adjoins from the front between a pair of wing | blade parts 101 and 101 of the fastener F fitted in this way. By inserting the bent plate portion 302 of the matching wall panel 300, the adjacent wall panels 300 are joined to each other and attached to the support member 200. Inside the fastener F, sealing lips 102 are provided on the front and rear sides, respectively, and elastic hooking claws 103 protruding from the inner surface of the wing 101 are provided between the front and rear lips 102. When the bent plate portion 302 is pushed in between the pair of wing portions 101, 101 of the fastener F from the front, the elastic hooking claws 103 are bent and the pushing is allowed. Then, the bent plate portion 302 is further folded back at the tip of the bent plate portion 302 and the front end of the bent plate portion 303 faces the base side of the bent plate portion 302. The elastic engagement claw 103 is engaged with the front end of the folded plate portion 303 by the elastic return of the elastic engagement claw 103, thereby preventing the bent plate portion 302 from coming out of the fastener F.

  However, in such a fastener F, when the fastener F is fitted into the support member 200, the pair of wing portions 101, 101 must be elastically deformed so as to narrow the dimension between the outer surfaces of the pair of wing portions 101, 101. However, this requires a required pushing force, and the pushing of the bent plate portion 302 into the fastener F has a necessary pushing force for elastically deforming the elastic hooking claws 103. Conventionally, such pushing is generally performed by hitting with a hammer using a batten. For these reasons, it has been desired to make the pushing operation smoother from the viewpoint of facilitating the work of attaching and supporting the wall panel 300 to the support material 200.

  The main problem to be solved by the present invention is that, in this type of fastener and a joint structure using the fastener, an operation for fitting the fastener into a support material attached to and supported on a wall base material, and the fitted fastener Both of the operations for allowing the bent plate portion of the wall panel to be received can be made smooth and appropriate.

In order to achieve the above object, in the present invention, the fastener for joining the wall panel has the following configurations (1) to (4).
(1) In a state in which wall panels having bent plate portions that are fitted into a support member of a wall panel having a C-shaped channel shape and protrude toward the back side of the panel at the joining end portions are butted against the outer surfaces of the bent plate portions. A fastener that joins together,
(2) It is constituted by extrusion molding of plastic, and has a back portion and both wing portions protruding forward from the back portion,
(3) It is configured to receive the bent plate part of the wall panel from the front between both wing parts after being fitted into this support material while elastically deforming both wing parts with the back part ahead of the open part of the support material. ,
(4) Moreover, a soft part or a thin part is provided on the back part.

  According to such a configuration, the fastener can be easily fitted into the support material from the open portion of the support material while elastically deforming around the soft portion in the direction in which the pair of wings are close to each other, and the workability of attaching the fastener to the support material is improved. Can be improved. And after fitting in the support material in this way, by allowing the bent plate part of the wall panel to be received from the front between both wing parts, the adjacent wall panels are joined together via a fastener, and at this joint location It can be supported by a support material.

Between the two wing parts, a pair of facing each other in the form of a palm, a sandwiching piece part of the joining end of the wall panel,
The pair of sandwiching piece portions each form a gap between the sandwiching piece portion and the inner surface of the wing portion so that the blades are connected by a connecting piece extending between the front end side of the sandwiching piece portion and the front end side of the wing portion. It may be connected to the part.

  In this case, when the bending plate portion constituting the joining end portion of the adjacent wall panel is inserted between the pair of sandwiching piece portions of the fasteners fitted into the support material, the sandwiching piece is moved by the stroke of the connecting piece. The portion can be smoothly elastically deformed in such a direction as to widen the interval between the pair of sandwiching pieces, and the bent plate portion of the wall panel can be easily received in the fastener and can be appropriately held. That is, the joining end portion of the wall panel can be received and held by the fastener manually without hitting with a hammer or the like.

  The part which touches the inner surface of the junction edge part of the wall panel in the said clamping piece part may be comprised with the soft material. Further, a lip made of a soft material protruding from the wing portion toward the inside of the fastener may be provided behind the rear end of the sandwiching piece portion.

  In this case, the holding power of the fastener to the joint end of the wall panel can be strengthened, and water from between the bent plate portions of the wall panel joined together by the fastener in a state where the outer surfaces of the bent plate portions are in contact with each other. The fastener can be easily and appropriately provided with a structure that prevents the penetration of the fastener.

  The connecting piece may be configured to have an inclination gradually moving away from the inner surface of the wing portion as it goes toward the front end side of the sandwiching piece portion.

  In this case, it is possible to easily and surely introduce the bent plate portion constituting the joining end portion of the wall panel between the pair of sandwiching piece portions.

In order to solve the above-mentioned problems, in the present invention, the wall panel joint structure is formed by elastically deforming both wings with the back part ahead of the open part of the support member of the C-shaped channel panel. Between both wings of the fastener fitted in this support material,
This bent plate portion of the wall panel having a bent plate portion protruding toward the back side of the panel at the joining end is received from the front,
Adjacent wall panels were joined together in a state where the outer surfaces of the bent plate portions were butted together.

  In such a joint structure, due to the structural features of the fastener, the workability of attaching the fastener to the support material is good, and the workability of attaching the wall panel to the support material to which the fastener is attached is good, These attachments can be made appropriately.

  According to the fastener and the joining structure according to the present invention, either the operation of fitting the fastener into the support member attached to and supported by the wall base material or the operation of allowing the fitted fastener to receive the bent plate portion of the wall panel. Can be done smoothly and appropriately.

  The best mode for carrying out the present invention will be described below with reference to FIGS.

  Here, FIGS. 1, 5 and 6 show the fastener F according to the embodiment, respectively, FIG. 2 shows a state in which the fastener F is fitted to the support material, and FIGS. 2 shows a state in which the joining end portions 301 of the wall panels 300 adjacent to the fastener F are received and held from the front from the state of FIG. 2 (ie, the joining structure J).

  The fastener F concerning this embodiment is used in order to connect the wall panel 300 used for a building. Further, the fastener F also serves as a dry seal between the joining end portions 301 of the adjacent wall panels 300. Such fasteners F are typically suitable for use in connection between wall panels 300 constituting a unit bus.

  Moreover, the joining structure J concerning this embodiment joins the adjacent wall panels 300 with this fastener F.

  The fastener F is inserted into the support member 200 of the wall panel 300 having a C-shaped channel shape, and the wall panels 300 having the bent plate portion 302 protruding toward the panel back side 304 at the joining end portion 301 are connected to the bent plate. The outer surfaces 302a of the portions 302 are joined together in a butted state.

  The support member 200 is a long object having a substantially uniform horizontal cross section at any position, and is attached to and supported by the wall base material 400 and the like in a standing state with the channel opening 201 side facing forward. .

  In the illustrated example, the support member 200 includes a back plate 202, both side plates 203 and 203 that project integrally forward from both sides of the back plate 202, and the other side plate 203 from the front ends of the side plates 203 and 203. A front plate 204 projecting integrally so as to be substantially parallel to the back plate 202 toward the rear side, and a return portion 205 projecting integrally so as to be substantially parallel to the side plate 203 from the front end of the front plate 204 toward the rear. have. Spaces are formed between the tip of the return portion 205 and the inner surface of the back plate 202 and between the return portion 205 and the side plate 203. A space between the pair of return portions 205 functions as the channel opening portion 201. In the illustrated example, the supporting member 200 is connected to the mounting frame 600 on the wall base material 400 or the like via the reinforcing frame 500 on the back plate 202 side and is supported in the upright state. (Fig. 4)

  In the illustrated example, the wall panel 300 is configured by adhering a decorative material 306 to the panel main body 305 so that the surface of the panel main body 305 such as a gypsum board is covered with a decorative material 306 such as a steel plate. In the illustrated example, the end of the decorative material 306 protrudes laterally from the end surface of the panel main body 305 in the vertical direction, and the end protruding in this way is the first bent portion 301a. The bent plate portion 302 is formed by being bent back substantially 90 degrees. In the illustrated example, the end portion of the decorative material 306 is further folded back approximately 180 degrees toward the inner surface 302c of the bent plate portion 302 with the rear end 302b of the bent plate portion 302 as the second bent portion 301b. A folded plate portion 303 is formed on the inner surface 302c side. A space is formed between the front end 303 a of the folded plate portion 303 and the base portion of the bent plate portion 302.

  On the other hand, the fastener F is configured by extrusion molding of plastic, and is configured so that the horizontal cross-sectional shape is substantially uniform at any position.

  The fastener F has a back part 1 and both wing parts 2 and 2 protruding forward from the back part 1, and elastically deforms both wing parts 2 and 2 with the back part 1 ahead of the opening part 201 of the support material 200. However, after being fitted into the support member 200, the bent plate portion 302 of the wall panel 300 is received between the wing portions 2 and 2 from the front.

  In the illustrated example, the wing portions 2 protrude forward from the side edges along the vertical direction of the back portion 1. A flange 2b is formed on the front end 2a of each of the pair of wings 2 and 2 so as to protrude outward in a direction orthogonal to the outer surface of the wing 2. In addition, on the outer surfaces of the pair of wing portions 2 and 2, a retaining projection 2c is formed with the engaging surface 2d facing the flange 2b. The distance between the top portions 2e of the left and right retaining projections 2c is slightly larger than the width of the open portion 201. Further, the distance between the outer surfaces of the pair of wing portions 2, 2 between the retaining projection 2 c and the flange 2 b is substantially equal to the width of the open portion 201. Further, the outer surface of the wing part 2 extending between the top part 2e of the retaining projection 2c and the back part 1 is inclined so as to gradually protrude outward toward the top part 2e of the retaining projection 2c. Yes.

  And the fastener F concerning this embodiment is equipped with the soft part 3 or the thin part in the said back part 1. FIG. In the illustrated example, a soft part 3 is formed at a position approximately in the middle of the back part 1 in the left-right direction. By this soft part 3, a part of the left back part 1 and the wing part 2 and one of the right back part 1 are formed. In a state in which the elastic part and the wing part 2 can be elastically deformed in such a direction as to narrow the gap between the front ends 2a of the pair of wing parts 2 and 2 with the soft part 3 as a center (that is, the soft part 3 is used as a hinge part It seems to have been joined together. The soft part 3 is inseparably integrated with the other part of the fastener F by extruding the soft resin material constituting the soft part 3 together with the resin material constituting the harder part of the fastener F. It has been made. (So-called two-color extrusion) The soft material 4b and the lip 7 of the sandwiching piece 4 to be described later are also inseparably provided on the other portion of the fastener F by the same two-color extrusion.

  Thereby, in the fastener F according to this embodiment, the soft part 3 is centered in the direction in which the pair of wing parts 2 and 2 are brought close to each other in the support material 200 from the opening part 201 of the support material 200. It is easy to fit while being elastically deformed, and the workability of attaching the fastener F to the support material 200 can be improved. Then, after being fitted into the support member 200 in this way, the bent plate portion 302 of the wall panel 300 is received between the wing portions 2 and 2 from the front, so that the adjacent wall panels 300 are joined to each other via the fastener F. In addition, the support member 200 can support the joint portion.

  In the illustrated example, when the fastener F is pushed into the support member 200 from the opening 201 of the support member 200 with the back portion 1 first, the inclined portion 2f of the wing portion 2 first returns to the front plate 204 of the support member 200. The wing portion 2 is gradually inwardly pressed against the outer corner portion between the portion 205 and the fastener F into the support member 200 from the back portion 1 side is allowed. Thereafter, when the fastener F is fully inserted into the support member 200 until the flange 2b of the fastener F is abutted against the front plate 204 of the support member 200, the top portion 2e of the retaining projection 2c of the wing portion 2 is returned to the return portion 205. The wing part 2 is elastically restored and comes into close contact with the outer surface of the return part 205, whereby the fastener F is fitted into the support member 200. Thus, the fastener F once fitted in the support material 200 does not come off from the support material 200 by the action of the retaining projection 2c.

  Moreover, in the fastener F concerning this embodiment, it has the clamping piece part 4 of the joining edge part 301 of the wall panel 300 between the both wing | blade parts 2 and 2 facing each other in the shape of a palm. . At the same time, the pair of sandwiching piece portions 4, 4 each form a gap between the sandwiching piece portion 4 and the inner surface of the wing portion 2, so that the front end side of the sandwiching piece portion 4 and the wing portion 2 It is connected with the wing | blade part 2 by the connecting piece 5 over the front end side.

  In the illustrated example, the connecting piece 5 is provided in an inclined shape so as to gradually move away from the inner surface of the wing part 2 as it goes toward the front end side of the sandwiching piece part 4. On the other hand, the sandwiching piece portion 4 is inclined in a direction approaching the inner surface of the wing portion 2 from the connection portion with the connecting piece 5 toward the rear end 4a, and the connecting portion between the holding piece portion 4 and the connecting piece 5 is inclined. An edge portion 6 is formed on the surface. In the illustrated example, the distance between the left and right edge portions 6 is approximately equal to or slightly smaller than twice the thickness of the bent plate portion 302 of the wall panel 300.

  Accordingly, in this embodiment, the bent plate portion 302 that constitutes the joining end portion 301 of the adjacent wall panel 300 is interposed between the pair of sandwiching piece portions 4 and 4 of the fastener F fitted into the support material 200. When the insertion operation is performed, the sandwiching piece portion 4 can be elastically deformed smoothly in a direction in which the interval between the pair of sandwiching piece portions 4 and 4 is widened by the stroke of the connecting piece 5, and the bent plate portion 302 of the wall panel 300. Can be easily received in the fastener F and held appropriately.

  Further, in this embodiment, since the connecting piece 5 has the inclination in the above-described direction, the bending that constitutes the joining end portion 301 of the wall panel 300 between the pair of sandwiching piece portions 4 and 4. The plate part 302 can be introduced easily and reliably.

  In the illustrated example, when the bent plate portion 302 of the adjacent wall panel 300 is inserted between the pair of sandwiching piece portions 4 and 4 of the fastener F with the outer surfaces 302a abutting each other, the sandwiching piece of the left wing portion 2 is inserted. The edge portion 6 between the portion 4 and the connecting piece 5 is caught by the front end 303a of the left folded plate portion 303 from the front, and the edge portion between the sandwiching piece portion 4 and the connecting piece 5 of the right wing portion 2 6 is hooked from the front to the front end 303a of the right folded plate portion 303 so that the bent plate portions 302 are prevented from coming out of the fastener F.

  Moreover, in this embodiment, the location which touches the inner surface of the joining end part 301 of the wall panel 300 in the clamping piece part 4 of the fastener F is comprised by the soft material 4b.

  In the illustrated example, the entire surface of the sandwiching piece 4 facing the other sandwiching piece 4 is covered with the soft material 4b.

  Further, in this embodiment, a lip made of a soft material protruding from the wing 2 toward the inside of the fastener F in the left and right wings 2 at the back of the rear end of the sandwiching piece 4. 7 is provided. In the illustrated example, the distance between the tips of the pair of left and right lips 7 is approximately the same as the dimension obtained by adding the thickness of the two bent plate portions 302 and 302 and the thickness of the two folded plate portions 303 and 303. A little smaller. Further, the lip 7 has its tip brought into contact with the folded plate portion 303 on the rear end 302b side of the bent plate portion 302, and a draining gap S is formed between the lip 7 and the inner surface of the back portion 1.

  Thereby, in the fastener F concerning this embodiment, while being able to strengthen the holding force of the fastener F with respect to the joining edge part 301 of the wall panel 300, it is a fastener in the state which faced | matched the outer surface 302a of the bending board part 302. A structure in which the ingress of water from between the bent plate portions 302 of the wall panel 300 joined together by F is prevented at two points by bringing the lip 7 and the soft material 4b of the sandwiching piece portion 4 into contact with the joining end portion 301. The fastener F can be easily and appropriately provided.

Perspective configuration diagram of fastener F A perspective view showing the same use state A perspective view showing the same use state Cross-sectional configuration diagram showing the same usage state Cross section Side view Cross-sectional configuration diagram showing a conventional example

Explanation of symbols

F fastener J joint structure 1 back part 2 wing part 3 soft part 200 support material 201 opening part 300 wall panel 301 joint end part 302 bent plate part 302a outer surface

Claims (6)

Wall panels having bent plate portions that are fitted into a C-type channel-shaped wall panel support member and projecting toward the back side of the panel at the joining end portions are joined together with the outer surfaces of the bent plate portions butted together. A fastener,
It is configured by plastic extrusion, and has a back and both wings protruding forward from this back.
It is configured to receive the bent plate part of the wall panel from the front between both wing parts after being fitted into this support material while elastically deforming both wing parts with the back part ahead of the open part of the support material,
And the fastener for a wall panel characterized by having a soft part or a thin part in the back part. Between both wing parts, it has a pair of sandwiching pieces at the joint end of the wall panel facing each other like a palm,
Each of the pair of sandwiching piece portions forms a gap between the sandwiching piece portion and the inner surface of the wing portion, so that the blades are connected by a connecting piece extending between the front end side of the sandwiching piece portion and the front end side of the wing portion. The wall panel joining fastener according to claim 1, wherein the fastener is connected to a portion.   3. The wall panel joining fastener according to claim 2, wherein a portion of the sandwiching piece that is in contact with the inner surface of the joining end of the wall panel is made of a soft material.   4. The wall panel joining fastener according to claim 2, wherein the connecting piece is inclined so as to gradually move away from the inner surface of the wing part as it goes toward the front end side of the sandwiching piece part.   5. The lip made of a soft material protruding from the wing portion toward the inside of the fastener is provided behind the rear end of the sandwiching piece portion. Fasteners for joining wall panels. The both wing portions of the fastener according to claim 1, which are fitted into the support material while elastically deforming both wing portions with the back portion ahead of the opening portion of the support material of the wall panel having a C-shaped channel shape,
This bent plate portion of the wall panel having a bent plate portion protruding toward the back side of the panel at the joining end is received from the front,
A wall panel joining structure characterized in that adjacent wall panels are joined together in a state where the outer surfaces of the bent plate portions are butted together.

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