JP2024004026A - Sliding door and storage apparatus - Google Patents

Abstract

To realize a structure in which sliding doors move relative to one another without rattling in a front-rear direction, including during operation.SOLUTION: In a sliding door B in which sliding doors 1-3 can move relative to one another between an open state B(1) where they substantially overlap one another and a closed state B(2) where the overlap is almost dissolved in a width direction, over most an operation area from the opening state B(1) to the closed state B(2), regulation means 7 is provided that regulates the adjacent sliding doors 1, 2 and the adjacent sliding doors 2, 3 together in a front-rear direction while allowing the relative movement in the width direction.SELECTED DRAWING: Figure 2

Description

The present invention relates to a sliding door and a storage device that enable the sliding doors to move relative to each other in the front-rear direction without rattling.

As this type of sliding doors, the one shown in, for example, Patent Document 1 is known. This is configured such that the plurality of sliding doors can be moved relative to each other in the width direction between an open state in which the sliding doors substantially overlap each other and a closed state in which the superposition is substantially eliminated.

JP2009-84925A

Incidentally, although the sliding doors are supported by upper and lower rails, gaps between the sliding doors are particularly noticeable when the sliding doors are in the closed state. Therefore, as shown in FIG. 10, in the conventional double sliding door, when the sliding doors 101 and 102 are changed from the state shown in FIG. 10(a) to the closed state shown in FIG. 10(b), one sliding door 101 A locking portion 107 that engages the other sliding door 102 in the width direction is provided.

However, in such a structure, the engagement between the sliding doors 101 and 102 is shallow, and the locking position of the sliding doors 101 and 102 is limited to the closed position shown in FIG. 11(a). It does not function in any position other than the closed position. For this reason, due to rattling of the sliding doors 101 and 102 in locations other than the closed position, the relationship between these doors and the upper and lower rails on the storage device main body side tends to become inappropriate, and due to this, the opening state or There are problems in that the closed state and locked state at the time of closing tend to be incomplete, and problems in that they tend to come off when external force is applied during assembly and transportation.

In particular, if the sliding doors 101 and 102 of the sliding door are narrow and tall, and the thickness of the sliding door is thin, so-called high type, warping or bending is likely to occur in the middle part in the vertical direction, resulting in the above problems. tends to be more noticeable.

The present invention has focused on such problems, and aims to realize a structure in which sliding doors move relative to each other in the front and rear direction without wobbling, including during operation, and thereby solve the above problems.

In order to achieve this object, the present invention takes the following measures.

That is, in the sliding door according to the present invention, a plurality of sliding doors can be moved relative to each other in the width direction between an open state in which they substantially overlap each other and a closed state in which the superposition is substantially eliminated. The sliding door is characterized by being provided with a regulating means that regulates adjacent sliding doors in the front-rear direction and allows relative movement in the width direction over most of the operating range from the to the closed state.

In this way, the sliding doors are regulated back and forth even when they are in the middle of opening and closing, suppressing rattling, warping, and deflection of the sliding doors, and ensuring proper movement from the closed state to the open state. It becomes possible to

In a preferred embodiment for ensuring regulation during operation, the regulating means is provided with an engaged portion provided on one of the adjacent sliding doors, and with respect to the engaged portion provided on the other adjacent sliding door. An example of this is an engagement part that engages in the front-rear direction.

In order to make the regulation simple and reliable, it is desirable that the engaging portion be a vertical piece.

In order to make the regulation simple and reliable, it is desirable that the engaging portion is a groove of a protruding member provided from the other side of the adjacent sliding door toward one side.

In a preferred embodiment for easily assembling the regulating means, the engaged portion has a notch that receives the engaging portion when the sliding doors are substantially overlapped in the front-rear direction, and the overlapping portion One example is one in which the engaging portion engages with the engaged portion by moving the sliding doors relative to each other along the width direction in a direction to eliminate overlapping.

In order to maintain the state after assembly, a second restricting means is provided that restricts the engaging portion from disengaging from the engaged portion again after the engaging portion has engaged with the engaged portion. It is desirable to have one.

The simple second regulating means is preferably a closing member that closes the notch of the engaging portion.

When three or more sliding doors are provided, by providing the regulating means between each set of adjacent sliding doors, it is possible to suppress the accumulation of rattling of the sliding doors.

In that case, in order to avoid interference between the regulating means, it is desirable that the height positions of the regulating means provided between each pair of sliding doors are different.

When adopting a configuration in which an interlocking mechanism is installed that interlocks each sliding door at a position where the engaging portion is engaged with the engaged portion, the interlocking mechanism is such that the engaging portion is engaged with the engaged portion again. It is desirable to assemble it so that it functions as a second restricting means for restricting release of the connection.

If a storage device is constructed by engaging the sliding doors of the present invention with rails provided on the upper and lower edges of the opening of the storage device main body, the rails themselves will play a role as a regulating means for regulating the sliding doors from each other in the front-rear direction. Combined with this, the relationship between the sliding door and the rail can be maintained appropriately during the opening/closing operation of the sliding door. As a result, it is possible to effectively solve the problem that the open state, the closed state, and the locked state at the time of closing are incomplete, and the problem that it is easy to come off when external force is applied during assembly and transportation.

Through the configuration described above, the sliding doors of the present invention restrict each other in the forward and backward directions even when the sliding doors are in the middle of opening and closing, thereby suppressing rattling, warping, and bending of the sliding doors themselves, and allowing the sliding doors to open from the closed state. It becomes possible to provide a sliding door and a storage device that allow the operation to reach the state to be performed appropriately.

1 is a diagonal front perspective view of a storage device to which a sliding door according to an embodiment of the present invention is applied; FIG. FIG. 3 is a schematic plan view showing the double sliding door in an open state, a closed state, and an intermediate state. A back view of the same sliding door. FIG. 5 is a partially enlarged perspective view of FIG. 4; FIG. 3 is a partially exploded perspective view of a regulating means according to the same embodiment. FIG. 3 is a partially enlarged vertical cross-sectional view of the regulating means. FIG. 7 is a diagram showing the procedure for assembling the regulating means. The figure which shows the assembly procedure of the interlocking member of the same embodiment. The figure which shows the operating state of the assembled regulating means. FIG. 7 is a diagram corresponding to FIG. 7 showing a conventional example. FIG. 3 is a diagram corresponding to FIG. 2 showing a conventional example.

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

In the storage device A shown in FIG. 1, the double sliding doors B of this embodiment are applied to three sliding doors, and the sliding doors 1 to 3 are arranged at positions where the opening of the storage device main body 4 is closed. This storage device is a so-called high type in which each sliding door is narrow in width, large in height, and relatively thin.

The sliding doors 1 to 3 are arranged so as to be able to slide back and forth as shown in FIGS. 2(a) to 2(c) by engaging with upper and lower rails R provided at the opening of the storage device main body 4, and are in the closed state. Between sliding door 1 located on the front side (sliding door on the right side when viewed from the front) and intermediate sliding door 2, and between intermediate sliding door 2 and sliding door 3 located on the back side (sliding door on the left side when viewed from the front). The dimensional relationship is set in such a way that there is a combination of (overlapping parts). Hereinafter, the sliding door on the right side when viewed from the front will be referred to as the first sliding door 1, the intermediate sliding door will be referred to as the second sliding door 2, and the sliding door on the left side when viewed from the front will be referred to as the third sliding door 3.

The first sliding door 1 and the third sliding door 3 have latches 1r and 3r shown in FIG. 2, and these latches 1r and 3r are configured to be moored to the inner surface of the side plate 41 of the corresponding storage device main body 4 in the closed position. be done. Handles 13 and 33 shown in FIG. 1 are provided near the edges 11 and 32 of the first sliding door 1 and the third sliding door 3 on the side far from the second sliding door 2, respectively, and these handles 13 and 33 close the latch 1r. , 3r can be released.

FIG. 3 shows the double sliding door B from the back side. The three sliding doors 1 to 3 forming the double sliding door B are associated with each other by an interlocking mechanism 5.

As shown in FIGS. 3 and 4, the interlocking mechanism 5 includes guide rails 24 and 34 that are located on the back surfaces of the second sliding door 2 and the third sliding door 3 and extend vertically, and one end 51a is attached to the back surface of the first sliding door 1. A long interlocking member 51 attached around the support shaft m1 is attached to the intermediate portion and the other end of the interlocking member 51 via support shafts m2 and m3 and engages with the guide rails 24 and 34 so as to be able to slide up and down. The rollers 52 and 53 are configured to include rollers 52 and 53. The mounting position of the one end 51a of the interlocking member 51 is from the edge 11 of the first sliding door 1 opposite to the edge 12 adjacent to the second sliding door 2, and the positions of the guide rails 24 and 34 are also the same. It is set closer to the edge 21 of the second sliding door 2 on the first sliding door 1 side and closer to the edge 31 of the third sliding door 3 on the second sliding door side.

When the interlocking member 51 rotates from the substantially horizontal position 51 (P) shown in FIG. The open state in which the second sliding door 2 and the third sliding door 3 move in the direction of overlapping the first sliding door 1 along the leftward arrow in FIG. 3 to open the opening of the storage device A (see FIG. 2(c)) leading to. Further, when the interlocking member 51 rotates from the upright position 51 (Q) toward the substantially horizontal position 51 (P) with one end 51 a as a fulcrum, the rollers 52 and 53 descend within the guide rails 4 and 34 and move toward the second position. The sliding door 2 and the third sliding door 3 move in a direction away from the first sliding door 1 along the rightward arrow in FIG. 3 to reach a closed state in which the storage device is closed (see FIG. 2(a)).

As shown in FIGS. 3 and 4, the interlocking member 51 has a U-shaped cross section that opens in a direction perpendicular to the longitudinal direction, and the second sliding door 2 and the third sliding door 3 are connected in a U-shape in the upright position 51 (Q). As shown in FIG. 2(c), the edges 21 and 31 of the second and third sliding doors can be placed as close as possible to the edge 11 of the first sliding door. There is.

The interlocking mechanism 5 is configured to be restrained from interlocking by a locking mechanism 6 shown in FIG. The locking mechanism 6 includes a locking portion 61 having a deadbolt 61a attached to the face plate portion of the third sliding door 3, a bent portion 62a at one end engages with the deadbolt 61a of the locking portion 61, and a bent portion 62a at the other end engages with the deadbolt 61a of the locking portion 61. The transmission shaft 62 is disposed such that the transmission shaft 62b can be engaged with and disengaged from a hole 51b provided at the other end of the interlocking member 51.

When the deadbolt 61a is raised or lowered by rotating the locking part 61, the bent part 62a at one end of the transmission shaft 62 is urged, the transmission shaft 62 rotates, and the bent part 62b at the other end of the transmission shaft 62 is rotated. moves toward the front in the paper and engages with the hole 51b at the other end of the interlocking member 51(P) in the substantially horizontal position in the closed state in FIG. 3, thereby realizing the locked state of the sliding door B. . When the locking part 61 is operated in the opposite direction, the bent part 62b moves to the back of the plane of FIG. 3 and comes out of the hole 51b, so that the interlocking member 51 is released from the locked state and can be operated upward.

As shown in FIG. 2(c), although the edge 12 of the first sliding door 1 and the edge 22 of the second sliding door 2 are almost aligned in the open state, the edge 22 of the second sliding door 2 If the edge 32 of the third sliding door 3 is completely overlapped, the handle 33 of the sliding door 3 on the back side cannot be operated, so the sliding door 3 located on the back side is provided with a required amount of remaining tension d.

In the above configuration, in this embodiment, the operation from the open state B(1) of the double sliding door B shown in FIG. 2(c) to the closed state B(2) of the double sliding door B shown in FIG. 2(a) is performed. A regulating means 7 that allows relative movement in the width direction while regulating the adjacent first and second sliding doors 1 and 2 and the adjacent second and third sliding doors 2 and 3 in the front-rear direction over most of the area. has been established.

As shown in FIGS. 5 and 6, the regulating means 7 includes a vertical piece 71c, which is an engaged part, provided on the rail member 71, and a groove 72a, which is an engaging part, provided in the protrusion member 72. The rail member 71 is made by bending a sheet metal material into an L shape to form a vertical piece 71a and a horizontal piece 71b, and further folding back the tip of the horizontal piece 71b to form a vertical piece 71c. 2), and the vertical piece 71c has an open upper end and functions as an engaged part that is an engaged part of the engaging part 72a on the sliding door 2 (3) side.

The protruding member 72 is made of a resin material molded into a block shape, and is disposed at a position facing the rail member 71, and has a downward groove 72a serving as an engaging portion that engages with a vertical piece 71c of the rail member 71. ing. This groove 72a is composed of upright pieces 72a1 and 72a2 that sandwich the upright piece 71c from the front and back directions, and a horizontal piece 72a3 that connects between the upright pieces 72a1 and 72a2.

When looking at the relationship between the first sliding door 1 and the second sliding door 2, as shown in FIGS. 2 and 4, the rail member 71 is provided over almost the entire width direction on the back surface of the first sliding door 1, and is located on the vertical piece 71c. A notch 71d is provided at one end in the width direction.

On the other hand, as shown in FIGS. 5 and 6, the protruding member 72 has mounting pieces 72f and 72g that are inserted into the windows f and g provided at one end edge of the second sliding door 2. 72g and the groove 72a, which is the above-mentioned engaging portion, are integrally molded, and a protrusion 72b is provided inside the groove 72a to limit contact with the vertical piece 71c.

In the position shown in FIG. 2(c) where the first and second sliding doors 1 and 2 are substantially overlapped, the notch 71d provided in the vertical piece 71c faces the protruding member 72 as shown in FIG. 7(a). The groove 72a, which is the engaging portion of the protruding member 72, is located at a position where it can be received within the rail member 71. Then, as shown by the imaginary line in FIG. 7(b), the groove 72a, which is the engaging part of the protruding member 72, is received in the rail member 71, and from that position, the second sliding door 2 is prevented from overlapping with the first sliding door 1. By moving it in the direction of release, the groove 72a, which is the engaging part of the engaging member 72, engages with the vertical piece 71c, so that the second sliding door 2 is regulated in the front-rear direction with respect to the first sliding door 1. ing.

The relationship between the second sliding door 2 and the third sliding door 3 is also the same, and as shown in FIGS. 2 and 4, the rail member 71 is provided over almost the entire width direction on the back surface of the second sliding door 2, and is located on the vertical piece 71c. A notch 71d is provided at one end in the width direction.

On the other hand, as shown in FIGS. 5 and 6, the protruding member 72 has mounting pieces 72f and 72g that are inserted into the windows f and g provided at one end edge of the third sliding door 3. 72g and the groove 72a, which is the above-mentioned engaging portion, are integrally molded, and a protrusion 72b is provided inside the groove 72a to limit contact with the vertical piece 71c.

In the position shown in FIG. 2(c) where the second and third sliding doors 2 and 3 are substantially overlapped, the notch 71d provided in the vertical piece 71c faces the protruding member 72 as shown in FIG. 7(a). The groove 72a, which is the engaging portion of the protruding member 72, is located at a position where it can be received within the rail member 71. Then, as shown by the imaginary line in FIG. 7(b), the groove 72a, which is the engaging part of the protruding member 72, is received in the rail member 71, and from that position, the third sliding door 3 is prevented from overlapping with the second sliding door 2. By moving it in the direction of release, the groove 72a, which is the engaging part of the engaging member 72, engages with the vertical piece 71c, so that the third sliding door 3 is regulated in the front-rear direction with respect to the second sliding door 2. ing.

Such a regulating means 7 is incorporated when the sliding doors 1 to 3 are attached to the storage device main body 4. That is, when the first sliding door 1 is first engaged with the upper and lower rails R, and then the second sliding door 2 is engaged with the upper and lower rails R at a substantially overlapping position, the engaging portion 72a is opened at the notch 71d at that position. is received within the rail member 71 via. In this position, unless the second sliding door 2 is removed from the rail R, the engaging portion 72a will not immediately separate from the notch 71. Thereafter, by moving the second sliding door 2 in the closing direction with respect to the first sliding door 1, the engagement of the groove 72a, which is the engaging portion, with the vertical piece 71c is completed.

Similarly, when the second sliding door 2 is first engaged with the upper and lower rails R, and then the third sliding door 3 is engaged with the upper and lower rails R at a substantially overlapping position, the engaging portion 72a is cut out at that position. 71d and is received within the rail member 71. In this position, unless the third sliding door 3 is removed from the rail R, the engaging portion 72a will not immediately separate from the notch 71. Thereafter, by moving the third sliding door 3 in the closing direction with respect to the second sliding door 2, the engagement of the groove 72a, which is the engaging portion, with the vertical piece 71c is completed.

As shown in FIG. 3, the sliding doors 1 to 3 engage with the upper and lower rails R via active members s and t, such as wheels and sliders provided on the upper and lower sides. When attaching the sliding doors 1 to 3 to the rail R, first the lower active member s is engaged with the lower rail R in a vertical position, and then the upper active member t is projected upward from the retracted position. The active member t is configured to engage with the upper rail R by clicking and stopping.

In this embodiment, the interlocking member 51 is attached with the sliding doors 1 to 3 being attached to the rail member R in a substantially overlapping manner. As described above, the position where the sliding doors 1 to 3 are substantially overlapped is also the position where the groove 72a serving as the engaging portion can be inserted into the notch 71d, and conversely, the position where the sliding doors 1 to 3 can be removed. At this position, the rollers 52 and 53 of the interlocking member 51 shown in FIG. The end 51a is attached to the back surface of the first sliding door 1 around the support shaft m1. As a result, the sliding doors 1 to 3 are connected by the interlocking member 51 and start to interlock with each other, and the sliding doors 1 to 3 are integrated as a whole into a chained restraint state, making it difficult for them to come off the upper and lower rails R. . Unless the base end 51a of the interlocking member 51 is removed from the support shaft m, the restraining chain of the sliding doors 1 to 3 will not be released, the sliding doors 1 to 3 will not easily come off the rail R, and the groove 72a which is the engaging part will also be cut out. 71d, and the interlocking mechanism 5 functions as the second regulating means of the present invention.

As a result of the above, the assembly is completed with the sliding doors 1 and 2 and between 2 and 3 being regulated in the front and back direction by the regulating means 7, and as shown in FIG. The sliding movement is performed while the regulation by the means 7 is in effect. The regulating means 7(1) provided between the sliding doors 1 and 2 and the regulating means 7(2) provided between the sliding doors 2 and 3 are made to have different height positions.

As described above, the sliding doors B of the present embodiment move the plurality of sliding doors 1 to 3 between the open state B(1) in which they substantially overlap each other and the closed state B(2) in which the superposition is substantially eliminated. The sliding doors 1 and 2 can be moved relative to each other in the width direction, and the sliding doors 2 and 3 can be moved relative to each other across most of the operating range from the open state B (1) to the closed state B (2). It is provided with regulating means 7(1) and 7(2) that permit relative movement in the width direction while regulating it in the front-rear direction.

In this way, the sliding doors 1 and 2 and the sliding doors 2 and 3 will be restrained from moving forward and backward even when the sliding doors 1 to 3 are opening and closing, so that warping and bending, including rattling of the sliding doors 1 to 3, will be prevented. This makes it possible to properly perform the operation from the closed state B(2) to the open state B(1).

Specifically, the regulating means 7 is provided at an engaged portion 71c provided on one of the adjacent sliding doors 1, 2 (2, 3) and on the other of the adjacent sliding doors 1, 2 (2, 3). and an engaging portion 72a that engages with the engaged portion 71c in the front-rear direction.

In this way, since the engagement is in the vertical direction, the regulation in the front and rear direction can be maintained even during the operation of the sliding doors 1 to 3, and the front and rear direction can be controlled through the positional relationship between the engaged part 71c and the engaging part 72a. Regulations can also be set appropriately.

Further, since the engaged portion 71c is a vertical piece, the front and back direction can be easily and appropriately controlled.

Furthermore, the engaging portion 72a is a groove of a protruding member 72 provided from the other side of the sliding doors 1, 2 (2, 3) toward one side, and by fixing the protruding member 72 to the sliding doors 1, 2, the groove 72a is It is possible to ensure the strength of regulations and, by extension, the strength of regulations.

On the other hand, the vertical piece 71c, which is the engaged portion, has a notch 71d that receives the engaging portion 72a when the sliding doors 1 and 2 and the sliding doors 2 and 3 are substantially overlapped in the front-rear direction, and the overlapped portion is The engaging portion 72a is configured to engage the vertical piece 71c, which is the engaged portion, by moving the sliding doors 1 and 2 and the sliding doors 2 and 3 relative to each other along the width direction in a direction to eliminate overlapping. Therefore, the regulating means 7 can be assembled extremely easily.

In addition, in this embodiment, after the groove 72a, which is the engaging part, engages with the vertical piece 71c, which is the engaged part, a second regulation is implemented to prevent it from disengaging again from the vertical piece 71c, which is the engaged part. Since the means 51 is provided, even if the sliding doors 1 and 2 and the sliding doors 2 and 3 are in the open state B(1) where they overlap each other, the restrictions on the sliding doors 1 and 2 and the sliding doors 2 and 3 are prevented from coming off. can do.

In particular, in this embodiment, the double sliding door A is composed of three sliding doors 1 to 3, and the regulating means 7(1), 7(2) are arranged between the sliding doors 1 and 2 of each adjacent set and between the sliding doors 2 and 3. ), even if the number of sliding doors increases, it is possible to prevent the accumulation of rattling, etc.

At this time, since the height positions of the regulating means 7(1) and 7(2) provided between each pair of sliding doors 1 and 2 and between sliding doors 2 and 3 are different, the sliding doors 1 to 3 are almost overlapped. Even in this position, interference between the regulating means 7(1) and 7(2) can be avoided.

In particular, an interlocking mechanism 5 is installed that interlocks each of the sliding doors 1 to 3 at a position where the engaging portion 72a engages with the engaged portion 71c, and the interlocking mechanism 5 is configured such that the engaging portion 72a again engages with the engaged portion 71c. Since it functions as a second restricting means for restricting release of engagement, the second restricting means can be configured with only necessary element parts.

Since the storage device A is constructed by engaging the sliding doors B configured in this manner with the rails R provided on the upper and lower edges of the opening of the storage device main body 4, the rails R themselves are connected to the sliding door 1, In addition to playing a role as a regulating means for regulating sliding doors 2 and 3 in the front-rear direction, it is necessary to maintain an appropriate relationship between sliding doors B and rail R during the opening and closing operations of sliding doors 1 to 3. Can be done. As a result, it is possible to effectively solve the problem that the locked state in the open state B (1), the closed state B (2), and the closed state is incomplete, and the problem that it easily comes off when external force is applied during assembly and transportation. It becomes possible.

Although one embodiment of the present invention has been described above, the specific configuration of each part is not limited to the above-described embodiment.

For example, from the viewpoint of configuring the regulating means by inserting the engaging part through the notch, the engaging part may be a roller or a slider that engages between the vertical pieces, instead of a groove that engages with the vertical pieces. do not have.

In addition, from the perspective of configuring the regulating means by engaging the groove in the vertical piece, it is also possible to adopt an installation procedure in which the engaging part of one sliding door is dropped from above and engaged with the vertical piece of the other sliding door. I do not care.

Furthermore, the engaged portion is not limited to the form of a vertical piece as long as it can be engaged in the front-rear direction.

Of course, the double sliding door may be composed of two or four or more sliding doors.

In the above embodiment, the interlocking member is used as the second regulating means, but in the case where the sliding door is composed of two sliding doors, for example, the notch in the vertical piece is filled in after the engaging part is engaged. It is also possible to close it with a closing member and use it as a second regulating means.

Furthermore, in the above embodiment, the vertical piece was provided on the sliding door 1 (2) side and the engaging part was provided on the sliding door 2 (3) side, but the engaging part was provided on the sliding door 1 (2) side and the engaging part was provided on the sliding door 2 (3) side. ) side may of course be provided with a vertical piece.

Other configurations can also be modified in various ways without departing from the spirit of the present invention.

1...Sliding door 2...Sliding door 3...Sliding door 7...Regulating means 7(1)...Regulating means 7(2)...Restricting means 51...Interlocking member (regulating means)
71c...Engaged part (vertical piece)
71d...Notch 72...Protruding member 72a...Engaging part (groove)
A...Storage device B...Sliding door B(1)...Open state B(2)...Closed state R...Rail

Claims (11)

A plurality of sliding doors are capable of relative movement in the width direction between an open state in which they substantially overlap each other and a closed state in which the superposition is substantially eliminated,
A double sliding door characterized in that a regulating means is provided for regulating adjacent sliding doors in the front-rear direction and allowing relative movement in the width direction over most of the operating range from the open state to the closed state. The regulating means includes an engaged portion provided on one of the adjacent sliding doors, and an engaging portion provided on the other of the adjacent sliding doors and engaged with the engaged portion in the front-rear direction. The sliding door according to claim 1, comprising: The sliding door according to claim 2, wherein the engaging portion is a vertical piece. The sliding door according to claim 2, wherein the engaging portion is a groove of a protruding member provided from the other side of the adjacent sliding door toward one side. The engaged portion has a notch that receives the engaging portion when the sliding doors are substantially overlapped in the front-rear direction, and the engaged portion is configured to move the sliding doors from the overlapped position in a direction to eliminate the overlap in the width direction. The sliding door according to claim 2, wherein the engaging portion is configured to engage with the engaged portion by relative movement. 6. The double sliding device according to claim 5, further comprising a second regulating means for regulating the engaging part from disengaging from the engaged part again after the engaging part engages with the engaged part. door. The sliding door according to claim 6, wherein the second restricting means is a closing member that closes a notch in the engaging portion. The double sliding door according to claim 1, comprising three or more sliding doors, and the regulating means is provided between each set of adjacent sliding doors. 9. The double sliding door according to claim 8, wherein the height positions of the regulating means provided between each set of sliding doors are different. An interlocking mechanism is installed that interlocks each sliding door at a position where the engaging part engages with the engaged part, and the interlocking mechanism prevents the engaging part from disengaging with the engaged part again. The sliding door according to claim 2, which functions as a second regulating means. A storage device, characterized in that the sliding door according to any one of claims 1 to 10 is engaged with rails provided on the upper and lower edges of the opening of the storage device main body.

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