JP2008180051A - Storage cabinet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a storage cabinet which curbs manufacturing costs, without interfering with a worker's action in a kitchen, and which enables doors to be double-swung in a widely opened manner in an arbitrary location. <P>SOLUTION: This storage cabinet 2 comprises a main body inside which a storage portion is formed, and revolving doors 9, 10 and 11 capable of opening/closing openings 17, 18 and 19 communicating with the storage portion. The revolving doors 9, 10 and 11 are composed of at least three doors which are juxtaposed with one another. The revolving doors 9 and 10 provided at both ends have a single swinging structure which enables the revolving doors 9 and 10 to be revolved around one lateral side facing the revolving door 11 adjacent to the revolving doors 9 and 10. The revolving door 11, provided on the central side, except the revolving doors 9 and 10 provided at both the ends has a double swinging structure which enables the revolving door 11 to be revolved around either of two lateral sides adjacent to the revolving doors 9 and 10 on both the adjacent sides of the revolving door 11. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a storage cabinet having left and right double doors placed in a kitchen or the like.

  As a conventional storage cabinet, the door that opens and closes the front opening that communicates with the storage section is configured as a one-sided door that rotates around a vertical axis provided on either the left or right end, 2. Description of the Related Art A storage cabinet having two types of doors configured as a double door that is provided with vertical shafts at both left and right ends and is rotatable around either vertical shaft is widely known.

  In addition, the storage cabinet consisting of the above two doors has a main door in the center of the front, side doors on the left and right sides of the front, and a storage part that is covered by these doors, and the main door is configured as a single door The left and right side doors are configured as double doors, and the main door and one side door are configured as a double door that consists of a pair of single doors with vertical axes facing each other on the front opening surface. There is something. (For example, refer to Patent Document 1).

Japanese Patent Laying-Open No. 2005-66364 (page 4, FIG. 2)

  However, when such a storage cabinet is applied to a kitchen, in general, the kitchen has many articles that require a relatively large opening to be taken out from the storage section of the storage cabinet, such as a platter or a pan, and is narrow. Since it is a space, if the door of the storage cabinet applied to such a kitchen is configured as a single or double door, the opening can be made large, but the door's turning radius is large, so the worker in the kitchen Will significantly hinder their behavior.

  Further, if the predetermined number of doors of the storage cabinet are configured with only one opening, the turning radius becomes small, but the opening per sheet becomes small, so that an article requiring a large opening cannot be taken out. Furthermore, when the doors of the storage cabinet are configured to have only a double door, the opening can be made large while reducing the turning radius, but the manufacturing cost of the storage cabinet increases due to the complexity of the door structure.

  Further, when the structure of Patent Document 1 is applied to a storage cabinet of a kitchen, the main door and one side door can be configured as a double door opening, and the opening can be made large, but the other side door can be opened and closed only by one side opening. It is not possible to take a large opening without being able to.

  The present invention has been made paying attention to such problems, and it is possible to reduce the manufacturing cost without interfering with the behavior of the operator in the kitchen, and to provide a storage cabinet capable of widening the opening at an arbitrary position. The purpose is to provide.

In order to solve the above-described problem, a storage cabinet according to claim 1 of the present invention includes:
A storage cabinet comprising a main body having a storage portion formed therein, and a revolving door capable of opening and closing an opening communicating with the storage portion,
The pivot door is composed of at least three pieces arranged in parallel with each other,
The revolving doors provided at both ends have a single-open structure that can turn around one side facing the revolving door adjacent to the revolving door,
The revolving door provided on the center side excluding the revolving doors provided at both ends rotates around either one of the two side sides adjacent to the revolving doors on both sides of the revolving door. It is characterized by a double door structure that is possible.
According to this feature, one of the revolving door with a single-open structure that can be rotated around the one side that faces the adjacent revolving door, and the two sides that are adjacent to both adjacent revolving doors. A combination of a pivot door provided on the center side of a double door structure that can be rotated around the side is combined to reduce the manufacturing cost, and two adjacent pivot doors can be doubled. The opening area can be increased.

A storage cabinet according to a second aspect of the present invention is the storage cabinet according to the first aspect, wherein the pivot door is pivotally supported so as to open and close one continuous opening. .
According to this feature, two adjacent rotating doors can be opened as a double door, and a single opening having a large opening area can be used continuously, and a stored item can be taken in and out of the storage unit.

A storage cabinet according to a third aspect of the present invention is the storage cabinet according to the first or second aspect, wherein the openings are formed by at least three open surfaces formed at a predetermined angle with respect to each other. And at least three of the pivot doors are pivotally supported along the opening surface.
According to this feature, not only can the revolving door be appropriately installed according to the shape of the storage cabinet provided with the opening having a predetermined angle, but the opening can be fully opened with a small opening angle excluding the predetermined angle.

A storage cabinet according to a fourth aspect of the present invention is the storage cabinet according to any one of the first to third aspects, wherein the opening is formed by cutting off a central corner portion in a straight line when viewed from the side direction. , Formed by three opening surfaces formed at a predetermined angle with each other, and the three rotating doors are pivotally supported along the three opening surfaces, respectively. Yes.
According to this feature, the pivot door having the double door structure at the center opens and closes the central opening surface formed by cutting off the corner portion, so that the storage cabinet provided with the three-surface opening is relatively narrow such as a kitchen. Even if it is arranged at the corner of the place, the revolving door can be rotated without being in the way.

  Examples of the present invention will be described below.

  An embodiment of the present invention will be described with reference to the drawings. First, FIG. 1 is a plan view showing a kitchen equipped with a storage cabinet in the embodiment of the present invention, and FIG. 2 (b) is a perspective view showing a state in which the two right-handed rotating doors are double-opened, and FIG. 2 (c) is also a drawing of the two left-hand sides. FIG. 3 is a perspective view showing a state in which the revolving door is doubled, FIG. 3 is a plan view showing the storage cabinet, FIG. 4 is a front view showing a support device for the storage cabinet, and FIG. FIG. 5 (b) is a front view of the AA showing the support device, FIG. 6 is a perspective view showing the left opening of the central pivot door, and FIG. a) is a plan view showing a state in which the central pivot door is closed, and FIG. FIG. 8A is a plan view showing a left opening of the central revolving door, and FIG. 8B is a right view of the central revolving door. FIG. Hereinafter, the lower side of the sheet of FIG. 3 will be described as the front side of the storage cabinet.

  FIG. 1 is an example in which the storage cabinet 2 of the present invention is applied to the kitchen 1 of the present embodiment. The arrangement of each appliance in the kitchen 1 will be described. The refrigerator 5, the storage cabinet 2, and the cupboard 6 are arranged with their back surfaces or side surfaces in contact with each other so as to be generally L-shaped in plan view. ing. And the substantially L-shaped kitchen stand 3 extended in the planar view top direction and the left direction is arrange | positioned so that these may be pinched | interposed across the channel | path 4. As shown in FIG. A stove 7 is provided above the paper surface on the upper surface of the kitchen table 3, and a sink 8 is provided on the left side.

  As shown in FIGS. 2A to 2C and FIG. 3, the storage cabinet 2 will be described. First, the basic plan view shape of the storage cabinet 2 is oriented in the front direction (downward on the paper surface) of the square in plan view. It is formed as a substantially pentagon in which a virtual corner portion is cut off with a straight line. As the constituent members of the storage cabinet 2, the top plate 13 and the bottom plate 14 formed in a substantially pentagon shape as described above, and the L-shaped back plate 12 formed so that the lengths of two sides in the plan view are equal and substantially perpendicular to each other. By assembling, a main body having continuous opening surfaces 17, 18, and 19 is formed on the front surface side, and the revolving doors 9, 10, and 11 that open and close the opening surfaces 17, 18, and 19 are provided as described below. , Are mounted side by side and turnable.

  Further, the inside of the main body of the storage cabinet 2 will be described. Between the top plate 13 and the bottom plate 14, a rectangular plate having a long side substantially the same length as one surface of the inner wall portion 15 of the back plate 12, and the inner wall portion 15 A square plate having substantially half the length of one side is abutted on the same plane so as to be L-shaped in plan view, and configured as a single shelf 16, each of which has a plurality of shelf 16. Arranged to be parallel to the floor.

  Next, as shown in FIGS. 2 (b) and 2 (c), opening surfaces 17, 18, and 19 having predetermined angles in plan view are continuously formed on the three front surfaces of the storage cabinet 2. The three rotary doors 9, 10, and 11 are attached to the opening surfaces 17, 18, and 19 so as to be freely opened and closed.

  Specifically, as shown in FIG. 3, the left side door 20 is opened to the right on the left side end surface 20 of the back plate 12 located at the left end of the opening surface 17, that is, one side facing the center side door 11. It is pivotally supported around and attached. Conversely, on the right end surface 21 of the back plate 12 located at the right end of the opening surface 18, the right-hand turning door 10 can be rotated leftward, that is, around one side facing the center turning door 11. It is pivotally mounted. In addition, illustration of the axis | shaft in which the left side rotation door 9 and the right side rotation door 10 are pivotally supported is abbreviate | omitted.

  Here, the right opening means that the opening direction of the rotating door is the clockwise direction in the plan view, and the left opening means that the opening direction of the rotating door is the counterclockwise direction in the plan view. Furthermore, the right rotation described later means clockwise rotation in plan view, and the left rotation means counterclockwise rotation in plan view.

  Further, the plan view shape of the central revolving door 11 attached to the center of the opening surface 19 further extends with a predetermined angle in plan view beyond the opening surface 19 in both the left and right width directions, and in the adjacent opening surfaces 17 and 18. It is formed in a symmetrical shape in plan view so as to cover a part near the opening surface 19. The widths of the left and right turning doors 9 and 10 attached to the opening surfaces 17 and 18 are narrower than the widths of the opening surfaces 17 and 18. As shown in the drawing, when the revolving doors 9, 10, 11 are closed, the adjacent sides of the revolving doors 9, 10, 11 are close to each other.

  Next, the support device 25 used for turning the central turning door 11 will be described.

  As shown in FIGS. 3 and 4, on the back surface of the central pivot door 11, the central pivot door 11 is pivotally supported so as to be pivotable to both the right and left openings on the upper end side and the lower end side, respectively. A device 25 is provided. Since the support devices 25 provided on the upper end side and the lower end side on the back surface of the central rotating door 11 are the same devices arranged upside down, left and right, the description of the support device 25 provided on the lower end side is provided. Only the support device 25 provided on the upper end side will be described below.

  As shown in FIGS. 5A and 5B, the support device 25 has a double-open structure mainly composed of a first connecting arm 22, a second connecting arm 23, and a link member 24. Yes. One end of the first connecting arm 22 is rotatably connected to the first side (the right side in the figure) of the central rotating door 11 via a link member 24, and the other end is the main body of the storage cabinet 2. Is connected to the second side (the left side in the figure) in the closed state of the central pivot door 11 via a link member 24. The second connecting arm 23 is opposite to the first connecting arm 22 described above, and one end of the second connecting arm 23 is connected to the second side (the left side in the drawing) of the central pivot door 11 via the link member 24. The other end of the storage cabinet 2 is connected to the first side (the right side in the figure) in the closed state of the central rotating door 11 via the link member 24. ing.

  Next, the shape of each member itself will be described. The first connecting arm 22 and the second connecting arm 23 are composed of members having the same shape and size. The plan view shape of the first connecting arm 22 and the second connecting arm 23 is a schematic shape obtained by reducing the plan view shape of the central rotary door 11 to be substantially the same, and one end of both ends extending at an angle. Is formed in a left-right asymmetric shape in plan view in which the angle is formed larger than the other end. Moreover, the link member 24 consists of the 1st link member 33 and the 2nd link member 34, and the 1st link member 33 is formed in the substantially linear form. The second link member 34 is formed in a substantially L shape in plan view that extends at an angle from the linear shape.

  Moreover, the plan view shape of the hanging metal fitting 29 provided on the top plate lower surface 28 is a schematic shape reduced to substantially the same shape as the plan view shape of the central rotary door 11, and both end portions extending at an angle are provided. The shape is wide. When viewed from the front, it is substantially U-shaped, and both ends are screwed to the top plate lower surface 28 with the U-shaped opening facing upward.

  The connecting fitting 27 includes a rectangular portion 30 having a mounting surface extending in the left-right direction, and a hinge portion 31 extending perpendicularly to the rectangular portion 30. Screw holes 32 are formed at the left and right ends of the rectangular portion 30, and the connecting metal fitting 27 is formed at the left and right ends of the back surface 26 of the central rotary door 11 by screws (not shown) inserted through the screw holes 32. Screwed and fixedly attached.

  The attachment of the connection arms 22 and 23 will be described. One end of the first connection arm 22 can be rotated to the connection fitting 27 via the link member 24 on one side of the back surface 26 of the central rotation door 11. While connecting, the other end is rotatably connected to the other side of the hanging metal fitting 29 provided on the top plate lower surface 28 of the storage cabinet 2 via the link member 24. Similarly, one end of the second connecting arm 23 is rotatably connected to the connecting bracket 27 via the link member 24 to the other side of the back surface 26 of the central rotating door 11, and the other end is A link member 24 is pivotally connected to one side of a hanging metal fitting 29 provided on the top plate lower surface 28 of the storage cabinet 2.

  Next, a specific configuration of the support device 25 will be described.

  As shown in FIGS. 5A and 5B, when the central pivot door 11 is closed, the connecting bracket 27 attached to the upper right side of the back surface 26 of the central pivot door 11 has the hinge portion 31. It is attached so as to be higher than the hanging metal fitting 29.

  One ends of the first link member 33 and the second link member 34 are pivotally supported at the tip of the hinge portion 31 by shaft pins 41 and 42 from above the hinge portion 31. Further, the other ends of the first link member 33 and the second link member 34 are pivotally supported by shaft pins 39 and 40 from above in the vicinity of the right end portion of the first connecting arm 22 in the figure.

  In addition, a first link member 33 and a second link member 34 are pivotally supported by shaft pins 49 and 50 from below in the vicinity of the right end of the second connecting arm 23 in the drawing, and the first link member 33 and the second link member 34 are further supported. The other end of the link member 34 is pivotally supported by the hanging metal fitting 29 from below by pivot pins 47 and 48. The first link member 33 and the second link member 34 pivoted from above and the first link member 33 and the second link member 34 pivoted from below are vertically moved with the hanging metal fitting 29 interposed therebetween. It is pivoted at the opposite position.

  The position of the connecting fitting 27 attached to the upper left side of the back surface 26 of the central rotating door 11 is attached so that the hinge portion 31 is below the hanging fitting 29 compared to the connecting fitting 27 at the right end of the figure. Thereby, since the 1st connection arm 22 and the 2nd connection arm 23 cross | intersect an up-down direction and can be rotated, it can prevent interfering with a mutual movement.

  One end of the first link member 33 and the second link member 34 is pivoted from below the hinge portion 31 by shaft pins 44 and 43 at the tip of the hinge portion 31 of the connecting metal fitting 27 attached to the upper left end of the figure. It is supported. Further, the other ends of the first link member 33 and the second link member 34 are pivotally supported by shaft pins 46 and 45 from below in the vicinity of the left end of the second connecting arm 23.

  Further, a first link member 33 and a second link member 34 are pivotally supported by shaft pins 36 and 35 from above in the vicinity of the left end of the first connecting arm 22, and further the first link member 33 and the second link member. The other end of 34 is pivotally supported by the hanging metal fitting 29 from above by pivot pins 38 and 37. Similarly to the periphery of the right-end coupling fitting 27, the first link member 33 and the second link member 34 pivoted from above, and the first link member 33 and the second link member 34 pivoted from below are It is pivotally supported at a position facing the vertical direction across the hanging metal fitting 29.

  Next, the movement of the support device 25 will be described. As shown in FIGS. 7A and 7B, first, the central pivot door 11 is pulled forward in a direction substantially parallel to the opening surface 19, so that the left and right hinge portions 31, 31 that are the pivot centers are substantially omitted. It is moved evenly forward to prevent the end of the central pivot door 11 from contacting the adjacent pivot doors 9 and 10. That is, if the central pivot door 11 is opened by being pivoted as it is from the closed state, the end of the central pivot door 11 in the vicinity of the hinge portion 31 that is the pivot center is adjacent to the adjacent pivot door 9. , 10 can be solved, and the problem that it cannot be opened well can be solved.

  As shown in FIGS. 6 and 8 (a), from the state in which the central rotating door 11 of FIG. 7 (b) is pulled forward, the illustrated left side of the central rotating door 11 is pulled forward, thereby rotating the center. The door 11 turns left around the hinge portion 31 on the right side of the drawing, that is, around the shaft pins 39 to 42, and is left open (see the white arrow in FIG. 8A). At this time, the first connecting arm 22 stays at a position slightly protruding forward from the hanging metal fitting 29, and the hinge portion 31 at the right end of the central turning door 11 is in the vicinity of the shaft pins 39 to 42 serving as the turning center. Restrain and support so as not to move. By doing in this way, the center rotation door 11 can be smoothly rotated around the shaft pins 39 to 42.

  On the other hand, the second connecting arm 23 is left around the hinge 31 on the right side of the drawing together with the left turning of the central turning door 11 from the state intersecting with the first connecting arm 22 in the plan view of FIG. It rotates and moves along the back surface 26 of the central rotating door 11.

  Further, as shown in FIG. 8 (b), the central pivot door 11 is pulled forward from the center pivot door 11 shown in FIG. 11 rotates to the right around the hinge 31 on the left side of the drawing, that is, around the shaft pins 43 to 46 (see FIG. 5B), and is in a right-open state (see the white arrow in FIG. 8B). At this time, contrary to the left-open state described above, the second connecting arm 23 stays at a position slightly protruding forward from the hanging bracket 29 and rotates the hinge portion 31 at the left end of the central pivot door 11. It restrains and supports so that it may not move from the axial pin 43-46 vicinity used as the center. By doing in this way, the center rotation door 11 can be smoothly rotated around the shaft pins 43-46.

  On the other hand, the first connecting arm 22 is rotated around the hinge portion 31 on the left side of the drawing together with the right rotation of the central rotating door 11 from the state intersecting with the second connecting arm 23 in a plan view of FIG. It rotates and moves along the back surface of the central rotating door 11.

  As described above, the storage cabinet 2 includes a central pivot door 11 having a left-right double opening structure disposed in the center, a left pivot door 9 having a right opening structure provided on the left side of the central pivot door 11, and a central rotation door. A total of three doors, that is, a right-hand pivot door 10 having a left opening structure provided on the right side of the movable door 11 are provided side by side. When opening the opening surfaces 17, 18 and 19, as shown in FIGS. 2 (b) and 2 (c), the right pivot door 10 and the central pivot door 11, the left pivot door 9 and the central pivot door are opened. The combination of the movable doors 11 enables double door opening, so that articles can be taken in and out from two directions.

  In the kitchen 1 provided with the storage cabinet 2 in this way, the user of the stove 7 and the sink 8 stands in front of the storage cabinet 2 to put in and out the storage items in the storage cabinet 2 and then the door of the storage cabinet 2. There is no need to open and close the container, and the contents can be taken in and out from either the stove 7 or the sink 8.

  By constructing the storage cabinet 2 as described above, the right-hand pivot door 10 and the left-hand pivot door 9 having a single-open structure that can pivot around the side facing the adjacent central pivot door 11, both Combined with the adjacent right pivot door 10 and the central pivot door 11 provided on the center side of the double-open structure that can pivot around either one of the two sides adjacent to the left pivot door 9. Thus, the manufacturing cost can be reduced, and the opening area can be increased by making two adjacent rotating doors open.

  In addition, by configuring the storage cabinet 2 as described above, any two adjacent doors 9, 10, and 11 can be opened as a double door so that the opening area including the continuous opening surfaces 17, 18, and 19 can be increased. Using one large opening, things can be taken in and out of the storage.

  Further, by configuring the storage cabinet 2 as described above, the rotary doors 9, 10, and 11 can be appropriately installed in accordance with the shape of the storage cabinet provided with the opening having a predetermined angle. The opening surfaces 17, 18, and 19 can be fully opened with the small opening angle excluded.

  Furthermore, by configuring the storage cabinet 2 as described above, the central double door structure of the revolving door opens and closes the central opening surface formed by cutting off the corner portion, so that the storage having three openings is provided. Even if the cabinet is placed in a corner of a relatively small place such as a kitchen, the revolving door can be rotated without being disturbed.

  By configuring the support device 25 as described above, when the central rotating door 11 is rotated around one side by using one of the connecting arms 22 and 23, the other connecting arm 23 is used. , 22 can be smoothly rotated while supporting one side of the central rotating door 11, so that a double-open structure can be easily formed without requiring a complicated mechanism such as a conventional bellows mechanism. Also, in this case, since the other connecting arm 23, 22 is restrained and supported by the one connecting arm 22, 23 using the link member 24, the central rotating door 11 rotates around the other side. Since the movement to be controlled can be restricted, there is no need to configure a stopper mechanism using a conventional magnet or the like.

  Further, by configuring the support device 25 as described above, not only can the turning radius of the center turning door 11 of the double opening structure be made the same, but also the members of the connecting arms 22 and 23 can be made common to reduce the manufacturing cost. I can do it.

  Further, as described above, the support device 25 is configured as a double-open structure, so that it is not necessary to configure a special rotating member on the center side except for the upper and lower end edges facing each other, so that the opening can be widened. It is easy to put in and out the storage.

  Further, by configuring the support device 25 as described above, the first connecting arm 22 and the second connecting arm 23 can smoothly rotate the central rotating door 11 without interfering with each other. .

  Further, since the support device 25 is configured as described above, the pivot shaft of the central pivot door 11 can be appropriately moved by pivoting with the connecting arms 22 and 23 coupled via the link member 24. , And can be rotated without interfering with the adjacent rotating doors 9 and 10.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above embodiment, the storage cabinet 2 is formed in a substantially pentagonal shape in plan view, and continuous opening surfaces 17, 18, 19 having a predetermined angle are opened on the front surface. The visual shape is a rectangular shape having a wide front surface in the longitudinal direction, and a right side rotation door, a left side rotation door, and a center rotation door may be provided on the entire front surface, for example, a storage cabinet The shape in plan view is a square shape, and one side is opened and closed with a central pivot door that can be opened both sides, and the left and right sides are opened and closed with a right pivot door and a left pivot door. Also good. Further, the shape of the central pivot door or the shape of the hanging metal fitting is not necessarily limited to the present embodiment, and there may be a change in design as appropriate according to the shape of the storage cabinet.

  In addition, the left and right ends of the opening surface formed on one surface can be opened and closed with a single opening right and left rotation doors. It may be provided.

  In the above embodiment, the revolving doors 9, 10, and 11 are mounted horizontally, and can be opened and closed in the left-right direction by pivoting in the vertical direction. For example, the revolving door is erected in the vertical direction. In addition, a double-open structure composed of a first connecting arm and a second connecting arm is formed on a pair of left and right end edges of the opening in the main body of the storage cabinet. It is good also as opening and closing around. By doing in this way, it is not necessary to configure a special rotating member on the central side except for the left and right opposite edge sides of the opening in the main body, so that the opening can be widened, and the stored items are transferred to the storing portion. Easy to put in and out.

  For example, in the above embodiment, the first and The second connecting arms 22 and 23 are configured so as to intersect with each other in the vertical direction and through the first and second link members 33 and 34. Forming columnar projections, and further forming grooves to fit the above-mentioned cylindrical projections from the front direction on the left and right ends of the upper and lower surfaces of the central pivot door, The protrusion may function as the pivot of the central pivot door 11.

  Moreover, in the said Example, although the double opening structure of the center rotation door 11 was comprised using the support apparatus 25, for example, a double opening structure is provided with a hinge in the left or right one end of an opening surface, and it opens and closes with respect to an opening surface. You may comprise using the bellows mechanism comprised by the outer door attached to the inner door and the other door of the inner door which were attached so that opening and closing with respect to the inner door was further provided with a hinge.

It is a top view which shows the kitchen provided with the storage cabinet in the Example of this invention. (A) is a perspective view which shows the state which obstruct | occluded the rotation door of the storage cabinet, (b) is a perspective view which shows the state which made the two right-hand rotation doors into a double door, (c) FIG. 5 is a perspective view showing a state in which two left-handed rotary doors are double-opened. It is a top view which shows a storage cabinet. It is a front view which shows the support apparatus of a storage cabinet. (A) is a top view which shows a support apparatus, (b) is an AA front view which shows a support apparatus. It is a perspective view which shows the left opening of a center rotation door. (A) is a top view which shows the state which the center rotation door closed, (b) is a top view which shows the state by which the center rotation door was pulled ahead. (A) is a top view which shows the left opening of a center rotation door, (b) is a top view which shows the right opening of a center rotation door.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Kitchen 2 Storage cabinet 3 Kitchen stand 4 Passage 5 Refrigerator 6 Cupboard 9 Left side rotation door 10 Right side rotation door 11 Center rotation door 12 Back plate 13 Top plate 14 Bottom plate 16 Shelf plate 17 Opening surface 18 Opening surface 19 Opening surface 22 1st connection arm 23 2nd connection arm 24 Link member 25 Support apparatus 26 Back surface 27 Connection metal fitting 29 Suspension metal fitting 31 Hinge part 32 Screwing hole 33 1st link member 34 2nd link member 35-50 Axis pin

Claims (4)

A storage cabinet comprising a main body having a storage portion formed therein, and a revolving door capable of opening and closing an opening communicating with the storage portion,
The pivot door is composed of at least three pieces arranged in parallel with each other,
The revolving doors provided at both ends have a single-open structure that can turn around one side facing the revolving door adjacent to the revolving door,
The revolving door provided on the center side excluding the revolving doors provided at both ends rotates around either one of the two side sides adjacent to the revolving doors on both sides of the revolving door. A storage cabinet characterized by a double door structure.   The storage cabinet according to claim 1, wherein the pivot door is pivotally supported so that a continuous opening can be opened and closed.   The opening is formed by at least three opening surfaces formed at a predetermined angle with each other, and at least three of the rotating doors are pivotally supported along the opening surface. The storage cabinet according to claim 1 or 2, characterized by the above.   The opening is formed by three opening surfaces formed by cutting off a central corner portion in a straight line when viewed from the side direction and having a predetermined angle with each other, and along the opening surface of the three surfaces. The storage cabinet according to any one of claims 1 to 3, wherein each of the three pivot doors is pivotally supported.

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