JP2012087471A - Door opening/closing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door opening/closing structure to/from which an opening/closing door can be easily attached/detached.SOLUTION: A door opening/closing structure includes an opening/closing door that has both ends rotatably fixed to a main body, and a rotational member that is attached to at least one of fixed locations of the opening/closing door in such a manner as to be rotatable with respect to the main body and that detachably engages the opening/closing door. Attraction members are attached to the opening/closing door and the rotational member in such a manner as to face each other. One of the attraction member of the opening/closing door and the attraction member of the rotational member is made of a magnet, and the other one of them is made of a magnetic material or a magnet mutually attached to the magnet.

Description

  The present invention relates to a door opening / closing structure, and more particularly, to a door opening / closing structure attached to a building, furniture, a figurine or the like, which opens and closes freely.

  Doors that can be freely opened and closed are widely used in buildings, furniture, figurines, and the like, and many of such door opening and closing structures include shaft members and bearings, hinges, and the like. The basic structure of the door opening / closing structure of Patent Document 1 is that a bearing is provided on the door side and the main body side at the center of rotation of the door, and a shaft member is rotatably engaged with both bearings. However, since these conventional door opening / closing structures do not assume the attachment / detachment of the door, if the door is to be removed from the main body, the unevenness of the shaft member and the bearing becomes an obstacle, and the attachment / detachment is not easy.

Utility Model Registration No. 3160035

  The present invention has been made in view of the above-described conventional problems, and an object thereof is to provide a door opening / closing structure in which an opening / closing door can be easily attached and detached.

  The door opening / closing structure of the present invention is pivotally attached to the main body at least at one of the opening and closing doors fixed to the main body at both ends, and the fixing position of the opening and closing doors. A door opening / closing structure comprising a releasable engaging member, wherein a suction member is attached to the opening / closing door and the turning member so as to face each other, and the suction member of the opening / closing door and the rotation member One of the attraction members of the moving member is made of a magnet, and the other is made of a magnetic material or a magnet that attracts the magnet.

  In addition, the pivot member is pivotably engaged with a hole formed in the main body, and an engagement with a U-shaped cross section that slidably and detachably engages the opening / closing door. It is preferable to comprise a part.

  Further, the suction member of the opening / closing door is embedded and fixed so as not to protrude from the mounting surface of the opening / closing door, and the suction member of the rotating member is embedded and fixed so as not to protrude from the mounting surface of the rotating member. Is preferred.

  Moreover, it is preferable that a covering material is provided on at least one of the opposing surfaces of the suction members.

  According to the present invention, since the open / close door is fixed to the rotating member by the magnet's attractive force, the open / close door can be removed against the attractive force of the magnet, and the attachment / detachment is easy. Therefore, the purchaser himself / herself can easily replace the door with a different design according to the room design and preference. In addition, because the doors can be exchanged for different designs, there is no need to manufacture doors for each design, manufacturers and distributors can reduce the number of stocks, simplify inventory management, and reduce costs. it can. Furthermore, since a variety of designs can be taken in just by replacing the doors, design options can be greatly increased. Furthermore, even if the opening / closing door is damaged, it is easy to replace the door, so that the cost burden during repair can be reduced.

  In addition, a rotating member configured to include a rotating shaft that engages with the main body and an engaging portion that has a U-shaped cross section that slidably and detachably engages the opening / closing door is attached to the opening / closing door. Easy to remove. Furthermore, since the suction member embedded and fixed has no obstacle when the opening / closing door is engaged with the rotating member, smooth attachment / detachment is possible. Furthermore, what provided the coating | covering material in the opposing surface of a suction member reduces the frictional resistance by suction members, and can prevent degradation by friction.

1 is a schematic perspective view of furniture according to a first embodiment of the present invention. It is a schematic sectional drawing of the door opening / closing structure with which the furniture of FIG. 1 was equipped. FIG. 2 is a schematic exploded perspective view of the rotating member of FIG. 1, illustrating the attachment of the rotating member.

  A door opening and closing structure according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a schematic perspective view of the furniture according to the first embodiment of the present invention, FIG. 2 is a schematic cross-sectional view of a door opening / closing structure provided in the furniture of FIG. 1, and FIG. It is a general | schematic disassembled perspective view of this rotation member, Comprising: It is the figure explaining attachment of the rotation member.

  As shown in FIG. 1, the furniture A corresponds to the main body of the open / close door 1 a, has a top plate 5 and a base plate 6, is covered in three sides, and has a box shape with almost the entire front surface opened. A wooden structure having On both sides of the front surface of the furniture A, a pair of left and right open / close doors 1a and 1b for opening and closing the opening in a double door manner is attached. The two doors 1a and 1b are wooden rectangular plates. One end of each of the open / close doors 1a and 1b is in front of the opening end of the front surface of the furniture A, and the upper end thereof is rotatably fixed to the top plate 5 by a known shaft member / bearing (not shown), and the lower end is rotated. It is rotatably fixed to the main plate 6 via the member 10.

  As shown in FIGS. 2 and 3, a rotation member 10 is attached to the main plate 6 at the lower end of the rotation center of the opening / closing door 1 a. On the lower surface of the rotating member 10, a cylindrical rotating shaft 12 is formed that is rotatably engaged with a hole 16 formed on the upper surface of the main plate 6. Since the rotation member 10 is merely engaged with the rotation shaft 12 in the hole 16, it can be easily detached from the main plate 6. On the other hand, an engaging portion is provided on the upper surface of the rotating member 10 so as to slidably and detachably engage the corner of the door 1a with the rotating member 10 attached to the base plate 6.

  The engaging portion has a structure in which an upper surface and a surface into which the opening / closing door 1a enters are open and side walls are formed on both side surfaces, and a cross section perpendicular to the entering direction of the opening / closing door 1a is formed in a U shape. ing. As a result, the open / close door 1a enters the engaging portion from the opened side surface, slides inside the U-shape, and engages with the engaging portion. The material of the rotating member 10 is not particularly limited as long as it is nonmagnetic, and can be made of wood, synthetic resin, or nonmagnetic metal. In addition, the rotation member 10 is good also considering the side wall which comprises an L-shaped stand part as a stopper of the opening / closing door 1a by forming the cross section parallel to the approach direction of the opening / closing door 1a in L shape.

  A cylindrical suction member (hereinafter referred to as a first suction member) 15a is embedded and fixed on the lower surface of the open / close door 1a so as to be substantially flush with the lower surface. On the other hand, a cylindrical suction member (hereinafter referred to as a second suction member) 15b is embedded and fixed on the upper surface of the rotating member 10 at a position facing the first suction member 15a so as to be substantially flush with the upper surface. ing. The first suction member 15a and the second suction member 15b are fixed by fitting, pins, screws, or an adhesive.

  The first suction member 15a is made of a magnet, and the second suction member 15b is made of iron. Thus, the first suction member 15a sucks the second suction member 15b, and the open / close door 1a is detachably fixed to the rotating member 10. The type of magnet to be used is not particularly limited, but it is preferable to use a permanent magnet such as a ferrite magnet or a neodymium magnet that is easy to handle, and the second attracting member is not limited to iron, Other magnetic materials and ferromagnetic materials such as martensitic stainless steel can be used.

  Both the lower surface of the first suction member 15a and the upper surface of the second suction member 15b are smooth surfaces. As a result, frictional resistance due to contact between the first suction member 15a and the second suction member 15b is reduced, deterioration can be prevented over a long period of time, and the opening / closing door 1a can be easily detached from the rotating member 10. The upper end of the open / close door 1a is rotationally fixed by a known bearing. However, the same structure as that at the lower end of the open / close door 1a described above can be used. In addition, since the structure of the door opening / closing structure in the door 1b is basically the same as that in the door 1a, the description will not be repeated.

  In the above embodiment, the main body is furniture, but the present invention is not limited to this, and can be widely applied to boxes, buildings, electronic devices, and the like. The openable / closable door is not limited to a pair of left and right doors or a single door, and can be applied to a vertically openable / closable door or a lid-like door. Opening / closing also includes partial opening / closing and half-opening. The door is not limited to wood, but may be made of a nonmagnetic material, and can be made of a nonmagnetic metal such as a synthetic resin or aluminum. Further, a known lock mechanism, a shock absorber mechanism such as a damper, or the like can be added to the door opening / closing structure of the present invention.

  Moreover, in the said embodiment, a rotation member is a U-shaped cross-section which slidably and detachably engages with the rotation axis | shaft which is rotatably engaged with the hole formed in the main body, and an opening-and-closing door. However, the present invention is not limited to this, and for example, a flat plate member or a member having an L-shaped cross section can be used.

  Furthermore, in the above embodiment, the suction member is fixed on the lower surface of the open / close door and the upper surface of the rotating member. However, if the suction members are mounted so as to face each other, the mounting position is particularly limited. It is not something. In the above-described embodiment, the suction member is fixed by embedding. However, the present invention is not limited to this, and the suction member can be externally attached to the opening / closing door or the rotating member.

  Furthermore, in the above embodiment, the shape of the suction member is a cylindrical shape, but is not limited to this, and may be a prismatic shape, a spherical shape, or a flat plate shape. Both the first suction member and the second suction member can be magnets. In this case, the suction members are arranged so that the magnetic poles at the opposite ends of the two suction members are different. Further, the attraction member is not limited to a magnet or a magnetic material alone, and may be a member including a magnet or a magnetic material. Examples of such members include a casing containing a magnet and a molded product made of a synthetic resin in which magnets and magnetic materials are mixed in the form of particles.

  Furthermore, in the said embodiment, although the smooth surface was formed in the opening / closing door and the suction member of the main body, this smooth surface may be formed by grinding | polishing using an abrasives. In order to reduce frictional resistance due to contact between the suction members, it is preferable that a covering material is provided on at least one of the opposing surfaces of the suction members. Coating materials include plating such as nickel, coating film made of synthetic resin such as Teflon (registered trademark), sheet member made of hard synthetic resin and rubber such as Duracon (registered trademark), wooden plate, synthetic Examples include resin-coated paper and lubricating oil. The thickness of these covering materials may be as long as the suction force between the suction members is not significantly reduced, and should be as thin as possible, preferably 2 mm or less. The sheet member, the wooden plate, and the coated paper can be fixed to the suction member with an adhesive.

A Furniture 1a, 1b Open / close door 5 Top plate 6 Base plate 10 Rotating member 12 Rotating shaft 15a (First) Suction member 15b (Second) Suction member 16 Hole

Claims (4)

A door that is pivotally fixed to the main body at both ends, and a pivot that is pivotally attached to the main body and detachably engages the door in at least one of the fixing positions of the door. A door opening and closing structure comprising a member,
A suction member is attached to the opening and closing door and the turning member so as to face each other, and one of the suction member of the opening and closing door and the suction member of the turning member is a magnet, and the other is a magnetic body or the magnet A door opening and closing structure characterized by consisting of magnets that attract each other. A pivot shaft in which the pivot member is pivotably engaged with a hole formed in the main body; and an engagement portion having a U-shaped cross section that slidably and detachably engages the opening / closing door. The door opening / closing structure according to claim 1, comprising: The suction member of the door is embedded and fixed so as not to protrude from the mounting surface of the door,
The door opening / closing structure according to claim 1 or 2, wherein the suction member of the rotating member is embedded and fixed so as not to protrude from a mounting surface of the rotating member. The door opening / closing structure according to claim 1, 2 or 3, wherein a covering material is provided on at least one of the opposing surfaces of the suction members.

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