JP2001115727A - Door opening and closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door opening/closing device, by which the opening of a housing section is formed larger than a space at the front side, which is not viewed from the outside under the state that the door is closed, and by which a space on the floor face side of the housing section can be utilized maximally. SOLUTION: A ceiling-side fixing member 10 is fixed onto a ceiling section in furniture or a closet, and a door-side fixing member 40 is fixed to an upper section on the rear side of the door on the front of furniture or the like. Both link members 20, 30 have arm sections 21, 31 for adjusting length. The link members 20, 30 are journalled each at one end to the ceiling-side fixing member 10, and the arm sections 21, 31 are journalled each at one end to the door-side fixing member 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for opening and closing a door disposed on the front of a storage unit such as a closet or furniture.

[0002]

2. Description of the Related Art FIGS. 10A and 10B are perspective views showing the structure of a conventional closet.

As shown in FIGS. 10 (a) and 10 (b), a door D is provided on the front side of a closet storage section B, and a hinge A is attached to a side edge of the door D. Have been.

In such a closet, FIG.
As shown in FIG. 1, the door D is opened and closed by rotating the door D about a side edge on which the hinge A is mounted.

[0005]

However, when such a hinge A is used, in order to open the door D, a space larger than the width W of the door D is required on the front side of the closet. Therefore, when making a closet on a wall of a narrow corridor or the like, the frontage of the closet could not be expanded beyond the width of the corridor.

Further, in the state where the door D is closed, the hinge A is exposed to the outside as shown in FIG. 10 (a), so that the conventional hinge A also contributes to narrowing the width of the interior decoration design. Had become.

An object of the present invention is to make the frontage of the storage unit larger than the space on the front side, not to be seen from the outside when the door is closed, and to make maximum use of the space on the floor side of the storage unit. It is an object of the present invention to provide a door opening / closing device that can be operated.

[0008]

According to the first aspect of the present invention, there is provided a door opening / closing device mounted on a door disposed on a front surface of a storage section such as furniture. A door-side fixing member fixed to an upper portion on the left side of the door, a ceiling-side fixing member fixed to a ceiling portion of the storage portion adjacent to an upper right portion of the door, and one end of the door-side fixing member. Two link members having the same length, the other end of which is axially attached to the ceiling-side fixing member, and four axially attached points of the two link members are parallelograms in a horizontal plane. The two link members are arranged so as to form.

In order to achieve the above object, an invention according to claim 2 is a door opening / closing device mounted on a door disposed on the front of a storage section of furniture or the like. A door-side fixing member fixed to an upper portion, a ceiling-side fixing member fixed to a ceiling of the storage portion adjacent to an upper left portion of the door, one end of which is pivotally attached to the door-side fixing member, And two link members having the same length and attached to the ceiling-side fixing member.
The two link members are arranged so that two points form a parallelogram in a horizontal plane.

According to a third aspect of the present invention, a door opening / closing device for a right-opening door according to the first aspect is provided on the left side, and a left-opening door according to the second aspect is provided. The opening and closing devices for the two doors are connected to each other such that the opening and closing device is on the right side.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 shows Embodiment 1 of the present invention.
FIG. 2A is a plan view showing the configuration of FIG.
FIG. 2B is a front view thereof.

In FIGS. 1 and 2A and 2B, FIG.
Reference numeral 10 denotes a ceiling-side fixing member fixed to a ceiling of furniture or a closet. Reference numerals 20 and 30 denote link members having one end pivotally attached to the ceiling-side fixing member, and reference numeral 40 denotes a door-side fixing member fixed to an upper portion on the back side of a door of furniture or a closet.

The link members 20 and 30 are provided with arm portions 21 and 31 for adjusting the length of the link members, respectively. The distal ends of the arm portions 21 and 31 are provided with engaging portions 22 and 32 described later. It is axially attached to the door-side fixing member 40 through the middle.

Here, as shown in FIG. 2B, the width of the link member 30 in the height direction is selected to be smaller than the width of the link member 20 in the height direction. ,
As shown in FIG. 2A, even when the link member 20 and the link member 30 overlap, the link member 30 can move inside the link member 20.

FIG. 3 is an exploded perspective view of the first embodiment.

As shown in FIG. 3, the link member 20 is rotatably mounted on the ceiling side fixing member 10 by shaft members 11, 13 and fixing brackets 12, 14, and the link member 30 is a shaft member. 15 and the fixing bracket 16 are attached to the ceiling side fixing member 10 so as to be rotatable in a horizontal plane. Here, 23 and 33 are collars, 34 is a spacer,
35 is a bearing.

A plurality of through holes to be screwed with fixing screws are formed in the upper portions of the arm portions 21 and 31, and the link members 20 and 3 are formed by appropriately selecting through holes to be screwed into the screws.
The length of the arms 21 and 31 extending from the leading end of the zero can be adjusted. Further, engaging portions 22 and 32 are fixed to the distal ends of the arm portions 21 and 31 with screws. The engaging portions 22 and 32 are engaged with a shaft member 41 fitted on the upper part of the door-side fixing member 40. That is, the distal ends of the arms 21 and 31 fixed to the link members 20 and 30 are rotatably mounted on the door-side fixing member 40 in a horizontal plane.

In the first embodiment, the distance between the fitting holes at both ends of the door-side fixing member 40 is set to be equal to the distance between the shaft member 15 and the shaft member 11 (or the shaft member 13). The shaft member 11 (or the shaft member 1
2 (a) by adjusting the arms 21 and 31 so that the distance between 3) and the tip of the arm 21 is equal to the distance between the shaft member 15 and the tip of the arm 31. As seen from above, a parallelogram having the two shaft members 41, the shaft members 11 (13), and the shaft member 15 located at both ends of the door-side fixing member 40 as vertices can be formed. .

In the first embodiment in which the lengths of the arms 21 and 31 are adjusted so that such a parallelogram is formed, the shaft member 11 can be positioned at any position in the longitudinal direction of the door-side fixing member 40. It becomes parallel to a straight line passing through (13) and the shaft member 15.

That is, when viewed from above as shown in FIG. 4, the ceiling passing through the two shaft members provided on the ceiling side fixing member 10 is parallel to the frontage direction of the storage section B. If the side fixing member 10 is fixed to the ceiling of the storage section B, the door D can be moved while maintaining a state parallel to the frontage direction. In the first embodiment in which the door D is moved as described above, the door D can be opened and closed even if the space on the front side of the storage section B is equal to or smaller than the width W of the door D.

Since the first embodiment is a door opening / closing device R for right-opening, the door-side fixing member 40 is fixed to the upper portion of the left back surface of the door D, and the ceiling-side fixing member 10 is D
Is fixed to the ceiling of the storage section B adjacent to the upper right side of the door D in a closed state. Here, in the first embodiment, the length of the arm portion can be adjusted in accordance with the width of the door D so that the distal end of the link member 20 is located at the left end of the door D. Even a door D having a wide width can be completely opened without blocking the front surface of the storage section B. When the door D is completely opened, the inner vertical surface of the link member 20 comes into contact with the outer vertical surface of the link member 30 as shown in FIG. In addition, the door D does not hit a wall surface or the like in this opening operation.

In the first embodiment, which is the door opening / closing device R for right-opening described above, since all the door opening / closing devices are disposed at the upper part on the back side of the door, the storage portion B The floor side becomes a usable space without being obstructed by the opening and closing device, and when the door is closed, the opening and closing device cannot be visually recognized from the outside.

(Embodiment 2) Next, Embodiment 2 of the present invention will be described with reference to the drawings.

FIG. 5 is a perspective view showing the structure of the second embodiment, and FIG. 6 is an exploded perspective view thereof.

In FIGS. 5 and 6, FIGS.
The same reference numerals indicate the same components.

In the second embodiment, an opening / closing attachment L of a left-opening door is provided.
The only difference from the first embodiment in which the opening / closing device R is used for right-opening is the mounting direction and the mounting position of the link member 20 and the link member 30. Other configurations and operations are substantially the same as those of the first embodiment. Therefore, the description is omitted.

In the second embodiment, which is an opening / closing device L for a left-opening door, the door-side fixing member 40 is fixed to the upper part of the right-side back surface of the door, and the ceiling-side fixing member 10 is closed. And fixed to the ceiling of the storage unit adjacent to the upper left side of the door.

(Embodiment 3) Next, Embodiment 3 of the present invention will be described with reference to the drawings.

FIGS. 7A and 7B are plan views showing the configuration of the third embodiment.

In the third embodiment, two doors D having the same dimensions are used.
This is a door opening / closing device used for furniture and the like configured to close the front surface of the storage unit using D1 and D2.

FIGS. 7A and 7B show the structure of the third embodiment.
As described above, the opening / closing device R for right-opening is located on the left side when viewed from the front, and the opening / closing device L for left-opening is described above.
Is provided with two opening / closing devices R and L in series so as to be located on the right side when viewed from the front.

The door-side fixing member of the right-opening opening / closing device R is fixed to the left door D1, and the door-side fixing member of the left-opening opening / closing device L is fixed to the right door D2.

FIGS. 8 and 9 are perspective views of furniture to which the third embodiment is attached. FIG. 8 is a perspective view corresponding to the state of FIG. 7A, and FIG. 9 is a perspective view corresponding to the state of FIG. 7B.

In the third embodiment, when the two doors D1 and D2 are closed as shown in FIGS. 7A and 8, the surfaces of the doors D1 and D2 are flush with each other. Can be.

In the state where the door D1 is opened, the door D1 is positioned so as to overlap with the door D2 as shown in FIG. 7B and FIG. In the case where there is a wall on the side, the door D
Either the door 1 or the door D2 can be opened.

[0037]

As described above, according to the present invention,
The frontage of the storage section can be made larger than the space on the front side, and when the door is closed, it is not visible from the outside, and the space on the floor side of the storage section can be used to the maximum.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a first embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a first embodiment of the present invention;
(A) is a plan view and (b) is a front view.

FIG. 3 is an exploded perspective view showing the configuration of the first embodiment of the present invention.

FIG. 4 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 5 is a perspective view showing a configuration of a second exemplary embodiment of the present invention.

FIG. 6 is an exploded perspective view showing the configuration of Embodiment 2 of the present invention.

FIG. 7 is a plan view showing a configuration of a third embodiment of the present invention.

FIG. 8 is an explanatory diagram of Embodiment 3 of the present invention.

FIG. 9 is an explanatory diagram of Embodiment 3 of the present invention.

FIG. 10 is an explanatory diagram of a conventional device.

FIG. 11 is an explanatory diagram of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Ceiling side fixing member 11, 13, 15, 41 Shaft member 12, 14, 16 Fixing bracket 20, 30 Link member 21, 31 Arm part 22, 32 Engaging part 23, 33 Collar 34 Spacer 35 Bearing 40 Door side fixing Member A Hinge B Storage D, D1, D2 Door L Door opening / closing device for left opening R Door opening / closing device for right opening

Claims (4)

[Claims] 1. A door opening / closing device mounted on a door disposed in front of a storage unit such as furniture, wherein a door-side fixing member fixed to an upper portion on a left side of the door, and a right side of the door. A ceiling-side fixing member fixed to the ceiling portion of the storage section adjacent to the upper part of the storage unit; and one end having the same length that is axially attached to the door-side fixing member and the other end is axially attached to the ceiling-side fixing member. A right link, comprising: two link members, wherein the two link members are disposed such that four points on which the two link members are axially attached form a parallelogram in a horizontal plane. Door opening and closing device. 2. A door opening / closing device mounted on a door provided on a front surface of a storage section such as furniture, a door-side fixing member fixed to an upper right portion of the door, and a left side of the door. A ceiling-side fixing member fixed to the ceiling portion of the storage section adjacent to the upper part of the storage unit; and one end having the same length that is axially attached to the door-side fixing member and the other end is axially attached to the ceiling-side fixing member. Left, characterized by comprising two link members, wherein the two link members are arranged so that four points at which the two link members are axially attached form a parallelogram in a horizontal plane. Door opening and closing device. 3. The opening / closing device for a right-opening door according to claim 1 is on the left side, and the opening / closing device for a left-opening door according to claim 2 is on the right side. A door opening / closing device, wherein devices are connected in series. 4. The door opening / closing device according to claim 1, wherein a length adjustment mechanism is provided on the link member.