JP5052444B2 - Door assembly structure - Google Patents

Description

The present invention relates to an assembly structure of a door body.

In general, the door body includes a first surface portion that forms the first surface of the door body, a first upper surface portion that is bent at the periphery of the first surface portion, a first lower surface portion, left and right side portions, A first member having left and right contact portions extending in parallel with the first surface portion from the tip of the side surface portion, a second surface portion forming a second surface of the door body, and the second surface portion A second upper surface portion, a second lower surface portion, left and right side portions bent at the periphery, and left and right contact portions extending in parallel to the second surface portion from the tips of the left and right side portions. And a second member.

Conventionally, positioning of the first member and the second member has been performed via a reinforcing aggregate having a U-shaped cross-sectional view provided between the members. Further, in the conventional assembly structure, since a gap is generated in the corner portion of the door body, welding, sander processing, and putty processing are necessary as the gap closing processing of the corner portion. Patent Document 1 describes an assembly structure of a no-edge door, but does not mention a problem caused by welding of a corner portion. Patent Document 2 deals with a problem caused by welding of the corner portion, but does not mention positioning of members.
Actual Kosho 61-7357 Japanese Utility Model Publication No.57-29795

An object of this invention is to solve simultaneously the problem resulting from the positioning of members in the assembly structure of a door body, and the clearance gap which arises in a corner part.

The door assembly structure adopted by the present invention is:
A first surface portion that forms the first surface of the door body, a first upper surface portion that is bent at the periphery of the first surface portion, a first lower surface portion, left and right side surface portions, and a distal end of the left and right side surface portions. A first member including left and right contact portions extending in parallel with the first surface portion;
A second surface portion that forms the second surface of the door body; a second upper surface portion that is bent around the periphery of the second surface portion; a second lower surface portion; left and right side portions; A second member including left and right contact portions extending in parallel with the second surface portion;
Consists of
The left and right end portions of the first upper surface portion and the second upper surface portion are formed by bending the upper end side of the left and right side surface portions, respectively, and the first lower surface portion and the second upper surface portion are bent. The left and right end portions of the lower surface portion are each formed by bending the lower end portion on the lower end side of the left and right side portions,
The first member and the second member are such that the first surface portion and the second surface portion are opposed to each other so that the contact portions are in contact with each other, and ends of the first upper surface portion and the second upper surface portion. Assembled so that the edges of the first lower surface and the second lower surface meet each other,
The first upper surface portion and the second upper surface portion, and the first lower surface portion and the second lower surface portion are located at both end portions in the width direction of the door body and face each other when the edges are abutted with each other. At either one or both ends of the widthwise both ends of the door body when the edges are butted against each other, the door body is located at any one of the parts facing each other. A projecting piece extending in the expected direction is formed, and the other part is formed with a recess for receiving the projecting piece,
When the end edges are butted together, the projecting piece fits into the recess, and the projecting piece comes into contact with the upper and lower end edges of the contact portion from the outside.
In a preferred embodiment, one projecting piece fits into the other recess at both ends in the upper and lower width direction of the door body (that is, at positions close to the four corners of the door body). In the embodiment described later, a projecting piece is formed at one end of the first upper surface, a recess is formed at the other end, a recess is formed at one end of the second upper surface, and a projecting piece is formed at the other end. A recess on one end of the first lower surface, a protrusion on the other end, a protrusion on one end of the second lower surface, and a recess on the other end, A protruding piece is formed on one end side of one upper surface portion or the lower surface portion, and a concave portion is formed on the other end side. The aspect which forms the protrusion and the recessed part in this invention is not limited to this, You may form both ends of one upper surface part thru | or a lower surface part from a protrusion or a recessed part. In short, it is only necessary to form a protruding piece on one side and a concave part into which the protruding piece fits on the other side in a portion close to each corner of the door.

In one aspect,
Each of the first member and the second member is formed by bending a substantially rectangular metal plate,
An upper bent piece, a lower bent piece, a first left bent piece, and a first right bent piece are formed on the periphery of the metal plate material, and further, the tip side of the first left bent piece Has a second left bent piece, and a second right bent piece is formed on the tip side of the first right bent piece, respectively.
The first upper surface portion and the second upper surface portion are mainly formed by bending the upper bent piece perpendicularly to the metal plate material,
The first lower surface portion and the second lower surface portion have, as main parts, portions formed by vertically bending the lower bent piece with respect to the metal plate material,
The left and right side portions are formed by bending the left and right first bent pieces perpendicularly to the metal plate material,
The left and right contact portions are formed by bending the left and right second bent pieces perpendicularly to the first bent piece,
The upper and lower ends of the left and right first bent pieces are formed with extended pieces as the surplus end portions, and the extended pieces are bent vertically with respect to the first bent pieces. A part of the left and right end portions of the first upper surface portion, the second upper surface portion, and the first lower surface portion and the second lower surface portion are formed by the bent extended pieces,
The concave portion includes an end edge in the left-right direction of the main part composed of a bent upper bent piece and a lower bent piece, and ends of extended pieces of upper and lower ends of the bent first bent piece. Formed with rims,
The protruding piece is
The part of the extended piece formed by bending at the upper end or the lower end of the side part, or
A projecting piece integrally formed with the main part, or
It is comprised from the extended piece bently formed by the upper end thru | or the lower end of the said contact part.

In the present invention, the upper and lower surplus end portions of the side surfaces of the first member and the second member are bent so that the surplus end portions are part of the left and right end portions of the upper surface portion and the lower surface portion. Since the corner portion of the door body is formed with a bent portion of the side surface portion, there is no gap in the corner portion, and the work for closing the gap in the corner portion is not required as in the prior art. .

In the present invention, the first member and the second member can be positioned in the left-right direction by fitting one projecting piece of the first member and the second member into the other recess, and further, Since the piece comes into contact with the upper and lower end edges of the contact portion from the outside (upper side and lower side), the first member and the second member can be positioned in the height direction.

At least a part of the concave portion and / or the protruding piece can be formed from the bent surplus end portion, and is caused by positioning between members and a gap generated in a corner portion with fewer components. The problem can be solved at the same time.

A preferred embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the door body is formed by assembling a first member 1 and a second member 2 formed from a metal plate material. The first member 1 includes a first surface portion 10 that forms the first surface of the door body, and a first upper surface portion 11 that is bent at the periphery of the first surface portion 10 so as to be perpendicular to the first surface portion 10; The first lower surface portion 12, the left and right side surface portions 13 and 15, and the left and right contact portions 14 and 16 extending in parallel to the first surface portion 10 from the tips of the left and right side surface portions 13 and 15 are provided. The second member 2 includes a second surface portion 20 that forms the second surface of the door body, and a second upper surface portion 21 that is formed at the periphery of the second surface portion 20 so as to be bent perpendicularly to the second surface portion 20; The second lower surface portion 22, left and right side surface portions 23, 25, and left and right contact portions 24, 26 extending in parallel to the second surface portion 20 from the tips of the left and right side surface portions 23, 25 are provided.

The first member 1 and the second member 2 are such that the first surface portion 10 and the second surface portion 20 face each other, the left contact portions 14 and 24 and the right contact portions 16 and 26 contact each other. In the state where the edges of the first upper surface portion 11 and the second upper surface portion 21, and the edges of the first lower surface portion 12 and the second lower surface portion 22 are abutted, the butted portions of the left side surface portions 13 and 23, The side parts 15 and 25 are assembled by welding the butted parts.

The first surface portion 10 and the second surface portion 20 form a finding surface of the door body, the first upper surface portion 11 and the second upper surface portion 21 form an upper end surface of the door body, and the first lower surface portion 12 and the second surface portion 20. 2 The lower surface portion 22 forms the lower end surface of the door body, and the left and right side surface portions 13, 23, 15, 25 form the side surface (expected surface) of the door body. In the illustrated example, a reinforcing aggregate having a U-shaped cross section is not provided between the first member 1 and the second member 2, but a reinforcing aggregate may be provided.

The first member 1 and the second member 2 are formed by bending four peripheral edges of a substantially rectangular metal plate material. FIG. 3 is a development view of the metal plate material for forming the first member 1. In the illustrated embodiment, the first member 1 and the second member 2 have the same shape, and a door body is formed by combining the first member and the second member facing each other. Therefore, the developed view of the metal plate material for forming the second member 2 is substantially the same as that shown in FIG. As shown in FIG. 3, there are an upper bent piece 110 ′, a lower bent piece 120 ′, a first left bent piece 13 ′, and a first right bent at the four-sided periphery of the substantially rectangular metal plate material. A piece 15 ′ is formed, and further, a second left-side bent piece 14 ′ is provided at the tip side of the first left-side bent piece 13 ′, and a second right side is provided at the tip side of the first right-side bent piece 15 ′. A bent piece 16 'is formed.

In the drawing, the folding lines for folding these folding pieces are shown by two-dot chain lines, and the portions surrounded by the folding lines L1, L2, L3, and L5 are the first ones. It corresponds to the surface portion 10. The substantially rectangular metal plate shown in FIG. 3 can be formed by cutting out four corners of a rectangular metal plate into a predetermined shape.

The upper bent piece 110 ′ and the lower bent piece 120 ′ are notched in a predetermined shape at the end portions in the left-right direction, and the upper bent piece 110 ′ is cut along the fold line L 1 with the metal plate material (first The main portion 110 of the first upper surface portion 11 is formed by bending the surface portion 10) perpendicularly to the surface portion 10), and the lower bent piece 120 ′ is moved along the folding line L2 to the metal plate (first surface portion). The main portion 120 of the first lower surface portion 12 is formed by bending vertically with respect to 10). In the present specification, the “main part” is used in the sense that the bent piece occupies most of the area of the upper surface part and the lower surface part.

As shown in the lower diagrams of FIGS. 3 and 4, the left edge 110 </ b> B of the upper bent piece 110 ′ is formed in an inclined shape. Further, the end portion 110B and the inclined edge 130B of the extended piece 130 ′ form an angle of 90 degrees in a developed state, and when the upper bent piece 110 ′ and the extended piece 130 ′ are bent. The end portion 110B and the edge 130B are close to each other (see FIG. 5). The shape of the right edge of the lower bent piece 120 ′ is the same as the shape of the left edge 110B of the upper bent piece 110 ′, and further the right side of the upper bent piece forming the second member 2 Is the same as the shape of the left edge of the lower bent piece.

The shape of the right edge of the upper bent piece 110 ′ is the same as the shape of the left edge of the lower bent piece 120 ′, and further, the shape of the left side of the upper bent piece forming the second member 2 is the same. The shape of the edge is the same as the shape of the right edge of the lower bent piece. About the shape of these edge, description of the edge of the main part 210 mentioned later can be used.

By bending the left and right first bent pieces 13 ′ and 15 ′ perpendicularly to the metal plate (first surface portion 10) along the fold lines L 3 and L 5, respectively, 15 is formed, and the left and right second bent pieces 14 'and 16' are bent perpendicularly to the first bent piece along the bent lines L4 and L6, respectively. On the other hand, left and right contact portions 14 and 16 extending in parallel are formed.

At the upper and lower ends of the left first bent piece 13 ', extended pieces 130' and 131 'extending beyond the extended line L1' of the bent line L1 and the extended line L2 'of the bent line L2, respectively. The extension pieces 130 ′ and 131 ′ that are formed are bent vertically along the extension lines L1 ′ and L2 ′ with respect to the first bent piece 13 ′. A part on one end side in the left-right direction of the first upper surface portion 11 and the first lower surface portion 12 is formed by the protruding piece (only the extending piece 130 is illustrated in FIGS. 2, 4, and 5).

Similarly, at the upper and lower ends of the first bent piece 15 ′ on the right side, extended pieces 150 ′ extending beyond the extended line L1 ′ of the bent line L1 and the extended line L2 ′ of the bent line L2, respectively. 151 ′ is formed, and the extension pieces 150 ′ and 151 ′ are bent along the extension lines L1 ′ and L2 ′ so as to be perpendicular to the first bent piece 15 ′. Part of the other end side in the left-right direction of the first upper surface portion 11 and the first lower surface portion 12 is formed by the extended piece (not shown).

In the illustrated example, the extending piece 130 ′ and the extending piece 151 ′, and the extending piece 131 ′ and the extending piece 150 ′ have the same shape. Further, since the extension lines L1 ′ and L2 ′ that are bent portions are located at the corner portion of the door body, there is no gap in the corner portion, and it is not necessary to weld the corner portion as in the conventional case.

Although the metal plate material for forming the second member 2 is not shown, the shape of the metal plate material for the second member 2 is the same as the shape of the metal plate material for the first member 1, and the above-described first member 1 is formed. Description of the metal plate material for doing can be used. When the constituent elements of the second member 2 are illustrated, the reference numerals “1” of the corresponding constituent elements of the first member 1 are replaced with “2”. In addition, although only one corner on the upper side of the four corners of the door body is shown in FIGS. 2, 4 and 5, the other corners are substantially different only in the vertical and left and right spatial arrangements. Have the same structure.

As shown in FIGS. 2, 4, and 5, the second upper surface portion 21 includes a main portion 210 that is a bent upper bent piece and a bent extended piece 230. And the recessed part 4 is formed between the edge of the main part 210, and the edge of the bent extended piece 230. As shown in FIG. That is, the four corners of the rectangular metal plate for forming the second member 2 are notched in advance in such a shape that the concave portion 4 is formed after bending.

More specifically, the front end of the main portion 210 formed by bending the upper bent piece is an edge 210A extending in the width direction of the door body, and the left and right ends of the main portion 210 The part is cut out in an inclined manner at 45 degrees from the base end toward the tip (end edge 210A), and further, the tip side of the inclined edge is cut out in a stepped shape to extend in an inclined form. A first edge 210B, a second edge 210C extending in the width direction of the door body, and a third edge 210D extending in the expected direction of the door body are formed.

The bent extended piece 230 includes a first edge 230A extending in the width direction of the door body, a second edge 230B extending in an inclined manner, and a third edge 230C extending in the expected direction of the door body. And have. The inclined first edge 210B of the main portion 210 and the inclined second edge 230B of the extension piece 230 have the same length and are close to each other, and the second edge of the main portion 210 A recess 4 is formed from 210C, the third edge 210D, and the third edge 230C of the extension piece 230.

As shown in FIGS. 2, 4, and 5, the first upper surface portion 11 includes a main portion 110 including a bent upper bent piece 110 ′ and a bent extended piece 130. In addition, a projecting piece 3 that extends in the door body projection direction is integrally formed on the distal end side of the extending piece 130. The leading end of the main part 110 is an edge 110 </ b> A extending in the width direction of the door body, and the protruding piece 3 is in a state where the end edge 110 </ b> A of the main part 110 and the end edge 210 </ b> A of the main part 210 are in contact with each other. Is formed in the recess 4 (formed from the second edge 210C, the third edge 210D of the main portion 210, and the third edge 230C of the extension piece 230) formed in the second upper surface portion 21 of the second member 2. It fits. The protruding piece 3 is located in the recess 4 so as to be flush with the main portion 110, the main portion 210, and the extending piece 230.

As shown in FIG. 5, the projecting piece 3 has a width dimension slightly smaller than the width dimension of the recess 4, and the side edges 30 and 31 thereof are the third edges 210 </ b> D of the main part 210 that forms the recess 4. The extension piece 230 is in close proximity to the third edge 230C. Therefore, when the protruding piece 3 is fitted in the recess 4, the first member 1 and the second member 2 are positioned in the left-right direction (the width direction of the door body), and the left-right direction deviation is restricted.

Further, the projecting piece 3 is in contact with the upper end edges 14A, 24A of the contact portions 14, 24 from above. That is, as shown by a dotted line in FIG. 5, the contact portions 14 and 24 have dimensions extending to the base end portion of the projecting piece 3, and upper end edges 14 </ b> A and 24 </ b> A are directly below the projecting piece 3. Is located. The four corners of the door body have a fitting structure similar to that shown in FIGS. 2, 4, and 5, and projecting pieces (second member 2 of the second member 2) are formed on the lower ends of the contact portions 14 and 24 from below. A projecting piece formed at the lower end, which is not shown. The configuration of the upper and lower ends of the contact portions 16 and 26 is the same, and the projecting pieces formed on the upper side of the second member 2 are in contact with the upper end edges of the contact portions 16 and 26 from the upper side. A projecting piece 3 (formed by bending the extended piece 151 ′) formed on the lower side of the first member 1 is in contact with the lower end edges of 16 and 26 from the lower side. Accordingly, the protrusion 3 is in contact with the contact portions 14 and 24 and the contact portions 16 and 26 from above and below, so that the first member 1 and the second member 2 are positioned in the vertical direction (the height direction of the door body). And vertical displacement is restricted.

FIG. 6 shows another embodiment of the present invention. Common components are given the same reference numerals throughout the specification, and descriptions of other parts of the specification can be used for descriptions of members having the same reference numbers. A feature of the embodiment shown in FIG. 6 is that the protruding piece 3 is composed of a part of the upper bent piece and the lower bent piece. More specifically, the protruding piece 3 is integrally formed by extending the front end side (end edge 110A side) of the inclined end edge 110B of the main portion 110 of the first embodiment in the expected direction of the door body. Has been.

FIG. 7 shows still another embodiment of the present invention. Common components are given the same reference numerals throughout the specification, and descriptions of other parts of the specification can be used for descriptions of members having the same reference numbers. A feature of the embodiment shown in FIG. 7 is that the protruding piece 3 is composed of a part of the contact portions 14 and 16. More specifically, as shown in the lower diagram of FIG. 7, the upper end portion of the second bent piece 14 ′ and the lower end portion of the second bent piece 16 ′ are extended lines of the folding line L 1. An extension piece 3 ′ extending beyond the extension line L2 ′ of L1 ′ and the fold line L2 is formed, and the extension piece 3 ′ is formed of a second fold piece 14 ′ and a second fold piece. The protruding piece 3 is formed by bending vertically with respect to 16 '. Further, in the embodiment shown in FIG. 3 (FIG. 4) and the embodiment shown in FIG. 7, the protruding piece 3 has the folding lines L1 and L2 as well as the extending pieces 130 ′, 150 ′, 131 ′, and 151 ′. Extending directly from the extension lines L1 ′ and L2 ′, and extending lines at the edges of the upper bent piece 110 ′, the lower bent piece 120 ′, and the left and right second bent pieces 14 ′ and 16 ′ ( It does not protrude from the lower line of FIG. Therefore, the first member 1 and the second member 2 of the present invention can be created by cutting out the four corners of a rectangular metal plate (see the lower diagram in FIG. 4) having the same width X and length Y as the conventional one, Yield is good.

The first member 1 and the second member 2 thus configured are positioned in the left-right direction by fitting one projecting piece 3 into the other recessed portion 4. The upper and lower protrusions 3 are in contact with the upper and lower edges of the contact portions 14, 24, 16, and 26 from the outside (upper and lower sides), so that the heights of the first member 1 and the second member 2 are increased. Directional positioning can be performed. In a door body assembly structure (temporary assembly structure) positioned and assembled in the width direction and the height direction, the butted portions of the left side surface portions 13 and 23 and the butted portions of the right side surface portions 15 and 25 are welded. Thus, the first member 1 and the second member 2 are fixed.

The present invention can be used as a configuration of a door body.

(A) is the sectional view on the AA line of FIG.1 (C). (B) is a BB line sectional view of Drawing 1 (C). (C) is a front view of the door body which consists of a 1st member and a 2nd member. It is a disassembled perspective view of one corner part of the door body which consists of a 1st member and a 2nd member. It is an expanded view of the metal plate material which forms the 1st member. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which concerns on 1st Embodiment, an upper figure is a partial top view of the upper end part of the door body which consists of a 1st member and a 2nd member, and a lower figure is a part of metal plate material which forms a 1st member FIG. It is a figure which expands and shows the fitting structure of the protrusion with respect to the recessed part in FIG. It is a figure which concerns on 2nd Embodiment, an upper figure is a partial top view of the upper end part of the door body which consists of a 1st member and a 2nd member, and a lower figure is a part of metal plate material which forms a 1st member FIG. It is a figure which concerns on 3rd Embodiment, an upper figure is a partial top view of the upper end part of the door body which consists of a 1st member and a 2nd member, and a lower figure is a part of metal plate material which forms a 1st member FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st member 10 1st surface part 11 1st upper surface part 12 1st lower surface part 13 Side surface part 14 Contact part 15 Side surface part 16 Contact part 2 2nd member 20 2nd surface part 21 2nd upper surface part 22 2nd lower surface part 23 Side part 24 Contact part 25 Side part 26 Contact part 3 Projection piece 4 Concave part

Claims (2)

A first surface portion that forms the first surface of the door body, a first upper surface portion that is bent at the periphery of the first surface portion, a first lower surface portion, left and right side surface portions, and a distal end of the left and right side surface portions. A first member including left and right contact portions extending in parallel with the first surface portion;
A second surface portion that forms the second surface of the door body; a second upper surface portion that is bent around the periphery of the second surface portion; a second lower surface portion; left and right side portions; A second member including left and right contact portions extending in parallel with the second surface portion;
Consists of
The left and right end portions of the first upper surface portion and the second upper surface portion are formed by bending the upper end side of the left and right side surface portions, respectively, and the first lower surface portion and the second upper surface portion are bent. The left and right end portions of the lower surface portion are each formed by bending the lower end portion on the lower end side of the left and right side portions,
The first member and the second member are such that the first surface portion and the second surface portion are opposed to each other so that the contact portions are in contact with each other, and ends of the first upper surface portion and the second upper surface portion. Assembled so that the edges of the first lower surface and the second lower surface meet each other,
The first upper surface portion and the second upper surface portion, and the first lower surface portion and the second lower surface portion are located at both end portions in the width direction of the door body and face each other when the edges are abutted with each other. At either one or both ends of the widthwise both ends of the door body when the edges are butted against each other, the door body is located at any one of the parts facing each other. A projecting piece extending in the expected direction is formed, and the other part is formed with a recess for receiving the projecting piece,
When the end edges are butted together, the projecting piece fits into the recess, and the projecting piece is configured to contact the upper and lower end edges of the contact portion from the outside.
Door assembly structure. Each of the first member and the second member is formed by bending a substantially rectangular metal plate,
An upper bent piece, a lower bent piece, a first left bent piece, and a first right bent piece are formed on the periphery of the metal plate material, and further, the tip side of the first left bent piece Has a second left bent piece, and a second right bent piece is formed on the tip side of the first right bent piece, respectively.
The first upper surface portion and the second upper surface portion are mainly formed by bending the upper bent piece perpendicularly to the metal plate material,
The first lower surface portion and the second lower surface portion have, as main parts, portions formed by vertically bending the lower bent piece with respect to the metal plate material,
The left and right side portions are formed by bending the left and right first bent pieces perpendicularly to the metal plate material,
The left and right contact portions are formed by bending the left and right second bent pieces perpendicularly to the first bent piece,
The upper and lower ends of the left and right first bent pieces are formed with extended pieces as the surplus end portions, and the extended pieces are bent vertically with respect to the first bent pieces. A part of the left and right end portions of the first upper surface portion, the second upper surface portion, and the first lower surface portion and the second lower surface portion are formed by the bent extended pieces,
The concave portion includes an end edge in the left-right direction of the main part composed of a bent upper bent piece and a lower bent piece, and ends of extended pieces of upper and lower ends of the bent first bent piece. Formed with rims,
The protruding piece is
The part of the extended piece formed by bending at the upper end or the lower end of the side part, or
A projecting piece integrally formed with the main part, or
It is composed of an extended piece that is bent at the upper end or the lower end of the contact portion,
The assembly structure of the door body of Claim 1.

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