JP4932445B2 - Door mounting structure - Google Patents

Description

  The present invention relates to a door mounting structure for opening and closing a door to a front opening of a cabinet of furniture such as a cabinet.

As a hinge device that attaches the door to the front opening of the housing in a freely openable / closable manner, the door moves in the front-rear direction in conjunction with the opening / closing operation, and when the door is opened to 180 °, the entire door There is provided a hinge device that can be positioned in front of an adjacent door (see, for example, Patent Documents 1 to 3).
In this hinge device, the pivot that is the center of rotation of the movable piece fixed on the door side moves in the front-rear direction relative to the fixed piece fixed on the housing side in conjunction with the opening and closing operation of the door. The fixed piece and the movable piece are linked to each other with a link mechanism.
JP 2005-282253 A JP-A-8-193455 No. 7-605

  However, in the above-described hinge-moving type hinge device, the movable piece is pivotally attached to the fixed piece with the intermediate link and a plurality of pivots. It may not be possible to attach to the position.

  Therefore, it is possible to provide attachment position adjusting means for adjusting the attachment position of the fixed piece or the movable piece in the vertical direction and the horizontal direction between the fixed piece and the side plate of the housing or between the movable piece and the door. Although it is considered, when such a mounting position adjusting means is attached, the hinge device interferes with the cover member covering it or avoids the interference during the adjustment. Problems such as poor appearance occur.

  In view of the above problems of the prior art, the present invention can not only adjust the mounting position of the hinge device with respect to the housing or the door, but the hinge device does not interfere with the cover member during the adjustment, And it aims at providing the attachment structure of the door which improved the appearance of the attachment part of a hinge apparatus.

According to the present invention, the above problem is solved as follows.
(1) The fixed piece of the hinge device in which the movable piece is rotatable about the pivot axis is fixed to the fixed piece in a notch provided on the inner surface of the side plate in the case having an open front, and the case is fixed. In the door mounting structure in which the door is opened and closed freely by fixing the movable piece in the hinge device in a notch provided on the back surface of the door that closes the front surface of the body opening, the fixing Mounting position adjusting means for adjusting the mounting position of the fixed piece or the movable piece in the vertical direction and the horizontal direction is provided between the piece and the side plate, or between the movable piece and the door, and the fixed piece or the movable piece is provided. A cover member that covers the piece is attached to a member that is vertically adjusted together with the fixed piece or the movable piece in the attachment position adjusting means , and the size of the cover member is made larger than the size of the notch.

  (2) In the above item (1), the mounting position adjusting means includes a mounting plate fixed to the side plate or the door, a vertical position adjusting means for adjusting the position of the intermediate plate in the vertical direction with respect to the mounting plate, Horizontal position adjusting means for adjusting the position of the fixed piece or the movable piece in the horizontal direction with respect to the intermediate plate, and a cover member covering the fixed piece or the movable piece is attached to the intermediate plate.

  (3) In the above item (1) or (2), a notch for fitting a hinge device is provided at the corner between the inner surface and the front surface of the side plate or the corner between the rear surface and the outer surface when the door is closed. In this notch, the fitting part of the cover member covering the fixed piece or the movable piece is fitted, the vertical dimension of this fitting part is smaller than the vertical dimension of the notch, and in the cover member, The vertical dimension of the decorative edge part that projects from the upper and lower surfaces of the fitting part and covers the edge part of the notch is larger than the vertical dimension of the notch.

  (4) In the above item (3), the cover member that covers the fixed piece or the movable piece is fitted into a notch provided in the side plate or the door of the housing and is positioned in the vertical direction together with the fixed piece or the movable piece. A base cover attached to the member to be adjusted and a surface cover that is detachably attached to the base cover and covers the exposed portion of the hinge device are provided.

  (5) In any one of the above items (1) to (4), one of the cover member that covers the fixed piece or the movable piece and the member that is vertically adjusted together with the fixed piece or the movable piece, and the other A locking claw adapted to be elastically engaged with the engaged portion provided at the top is provided.

  (6) In any one of the above items (1) to (5), the pivot device that is the pivot center of the movable piece is moved in the front-rear direction with respect to the fixed piece in conjunction with the opening / closing operation of the door. The fixed piece and the movable piece are of a pivotal movement type linked with each other by a link mechanism so as to move.

According to the present invention, the following effects can be achieved.
(1) According to the first aspect of the present invention, not only can the position of the hinge device attached to the housing or the door be adjusted, but also the cover member that covers the fixed piece or the movable piece moves up and down together with the hinge device. Therefore, the hinge device does not interfere with the cover member, and it is not necessary to increase the size of the cover member.
Further, since the cover member is made larger than the notch for fitting the hinge device, the gap between the fixed piece or the movable piece and the notch can be covered by the cover member, and dust can enter the housing from this gap. Can be prevented and the appearance can be improved.

  (2) According to the invention described in claim 2, since the cover member is attached to the intermediate plate that is vertically adjusted in the attachment position adjusting means, the cover member moves up and down integrally with the intermediate plate. In addition, the hinge device can be covered with good appearance without any interference with the hinge device.

  (3) According to the invention described in claim 3, since the vertical dimension of the fitting portion of the cover member is smaller than the vertical dimension of the notch for fitting the hinge device provided on the side plate or door of the housing, the cover member Can move up and down with the hinge device without interfering with the notch, and the vertical dimension of the decorative edge covering the edge of the notch in the cover member is larger than the vertical dimension of the notch. Therefore, the gap formed between the notch and the fitting portion of the cover member is covered by the decorative edge, and is not exposed to the outside, and can prevent dust from entering the housing. Can improve the appearance.

  (4) According to the invention described in claim 4, with the base cover attached to a member whose position is adjusted in the vertical direction together with the fixed piece or the movable piece, the attachment position of the hinge device with respect to the housing or the door is adjusted, After that, it is only necessary to attach the surface cover to the base cover, so that the assembly workability of the base cover and the hinge device can be improved.

  (5) According to the invention described in claim 5, the cover member can be easily and quickly attached to the member whose position is adjusted in the vertical direction together with the fixed piece or the movable piece.

(6) According to the invention described in claim 6, the door can be positioned in front of the door of the adjacent housing by opening approximately 180 ° while moving the center of rotation forward.
Further, when the hinge device is of a pivotal movement type having such a link mechanism and a plurality of pivots, the above-described effects of the present invention can be most exhibited.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
1-8 show a cabinet comprising one embodiment of the present invention.
As shown in FIG. 1, this cabinet has a door 5 covering the entire front end surface of both side plates 2, 2, top plate 3 and bottom plate 4 (see FIG. 3) on the front surface of a housing 1 whose front surface is open. With the pair of upper and lower hinge devices 6 and 6 shown in FIG. 2 and thereafter, the door is closed in a state where it is moved forward from the closing position shown by the solid line in FIG. The door 5 is mounted in a so-called outset system so that it can be moved to a fully open position rotated to the right by 180 ° about the front right corner of the door 5 at the time.

As shown in FIG. 2 and subsequent figures, each hinge device 6 is a rotation center of the movable piece 8 fixed to the inner surface of the door 5 with respect to the fixed piece 7 fixed to the inner surface of the side plate 2 of the housing 1. As described above, the fixed piece 7 and the movable piece 8 are linked to each other by the link mechanism 10 so that the pivot 9 that faces in the vertical direction moves substantially in the front-rear direction in conjunction with the opening / closing operation of the door 5. A similar pivoting type.
The configuration itself of the hinge device 6 is not directly related to the present invention, and may be the same as that described in, for example, the above-mentioned Patent Document 1 or 2.

  In this example, the link mechanism 10 is provided at the front end portion of the fixed piece 7 when attached to the inner surface of the side plate 2, at the intermediate portion of the movable piece 8 and the first link 12 whose base end portion is pivotally attached with the shaft 11. A base end portion is pivotally attached with a shaft 13, and a distal end portion is pivotally connected with a distal end portion of the first link 12 and a shaft 14, and an intermediate portion pivots with an intermediate portion of the first link 12 with a shaft 16. A horizontal end that is connected to the free end of the movable piece 8 with the pivot 9 and the upper and lower ends of the shaft 17 provided at the other end are bent at the upper and lower ends of the fixed piece 7. It comprises a third link 19 slidably fitted in a long hole 18 having a circular arc shape in a plan view provided in the pieces 7a, 7a and facing in the front-rear direction. The pivot 9 and the shafts 13, 14, 16 A part of the movable piece 8 that connects each other, a part of the first link 12, and a second link 15; By a portion of the third link 19, 4-bar linkage 20 is formed.

  The shafts 11, 13, 14, 16, and 17 are all parallel to the pivot axis 9, that is, face in the vertical direction.

As shown in FIG. 4, rectangular cutouts 21 for accommodating the fixing pieces 7 are provided over the inner surface and the front end surface of the side plate 2 at two upper and lower portions (FIG. 4 shows only the lower one). ing.
A housing-side hinge cover 22 that covers the opening edge of the notch 21 and the fixing piece 7 of the hinge device 6 are fitted in a state of being coupled to each other, and are inserted rearward of the notch 21 in the fixing piece 7. This portion is fastened to the inner surface plate 2 a of the side plate 2 with two screws 23, 23 so that the housing-side hinge cover 22 is in close contact with the edge of the notch 21 and the front end of the fixed piece 7 The part is firmly attached so that it projects slightly forward from the front end face of the side plate 2.

  The casing-side hinge cover 22 includes a front decorative edge 24 that covers the edge of the notch 21 on the front end surface of the side plate 2, a side decorative edge 25 that covers the edge of the notch 21 on the inner surface of the side plate 2, A closing piece 26 that protrudes forward from the front decorative edge 24 in a U-shape and covers the outer surface of the front protruding portion of the fixed piece 7, and from the front decorative edge 24 that also has a U-shape in front view. It has the fitting part 27 which protrudes back.

  On the inner side surface of the closing piece 26, a pair of front and rear arc-shaped gripping pieces 28, 29 for elastically gripping an intermediate portion of the shaft 11 provided in the fixed piece 7 facing the up-down direction are integrally formed. In this example, one rear gripping piece 29 is arranged at the center in the vertical direction on the inner surface of the closing piece 26, and two upper and lower gripping pieces 28, 28 are placed in front of the gripping piece 29. They are spaced apart from each other in the vertical direction.

  In addition, an inwardly extending ridge 30 that faces in the vertical direction is provided on the inner side surface of the fitting portion 27, and this inwardly extending ridge 30 is provided at the edge of the upper and lower horizontal pieces 7 a and 7 a of the fixed piece 7. By engaging the notch 31, the casing-side hinge cover 22 and the fixed piece 7 are positioned and connected.

  In this example, a pair of front and rear arc-shaped grip pieces 28 and 29 for elastically gripping the shaft 11 and an inward protrusion 30 that engages with the notch 31 are engaged with the fixed piece 7 of the hinge device 6, respectively. And an engaging portion for positioning and connection.

  As shown in FIG. 4, the movable piece 8 in the hinge device 6 and the movable piece 8 extend from the side end surface and the back surface of the side frame portion 5 a in the door 5 corresponding to the pair of upper and lower cutouts 21, 21 in the side plate 2. Is attached to the rear surface of the door 5 so that the mounting position can be adjusted in the vertical direction and in the horizontal direction (left and right direction of the door 5 when the door is closed), and protrudes forward from the front end surface of the side plate 2 when the door is closed. A rectangular cutout 34 is provided for accommodating a front end portion of the fixed piece 7 and a door-side hinge cover (cover member) 33 that covers them.

Further, a small size corresponding to the notch 34 is formed on the side surface and the back surface of the rectangular tubular longitudinal reinforcing portion 5b provided on the back surface of the door 5 slightly inward from the side frame portion 5a. A square notch 35 is provided.
A pair of screw holes 36, 36 and relief holes 37, 37 are provided on the back surface of the vertical reinforcing portion 5b across the notch 35 with the screw holes 36, 36 inside.

  As shown in FIGS. 5 to 8, the mounting position adjusting means 32 is a mounting plate 38 fixed to the back surface of the door 5 and a vertical position for adjusting the position of the intermediate plate 39 in the vertical direction with respect to the mounting plate 38. An adjusting means 40 and a horizontal position adjusting means 41 for adjusting the position of the movable piece 8 in the horizontal direction with respect to the intermediate plate 39 are provided.

  The mounting plate 38 has a pair of upper and lower screw insertion holes 42 and 42, screw holes 43 and 43, and long holes 44 and 44 facing in the vertical direction from the inner end to the outer end. , And bent pieces 45, 45 toward the intermediate plate 39 are provided.

  A pair of upper and lower elongated holes 46, 46 facing in the vertical direction are provided at the inner end of the intermediate plate 39, and a pair of upper and lower screw holes 47, 47 are provided at the outer end of the intermediate plate 39. However, a cut-and-raised piece 48 bent in an L shape in plan view toward the mounting plate 38 is provided at the center of the intermediate plate 39, and the upper and lower ends of the intermediate plate 39 on the outer side. Are provided with bent pieces 49 and 49 which are bent at right angles on the movable piece 8 side, and each of the bent pieces 49 and 49 is provided with a long hole 50 facing in the left-right direction. It has been.

  At the middle part of the movable piece 8 in the left-right direction, mounting pieces 51, 51 projecting in the up-down direction are provided, and each mounting piece 51 is provided with a long hole 52 facing in the left-right direction.

  The mounting plate 38 is tightened by screwing a pair of upper and lower fixing screws 53, 53 inserted through the screw insertion holes 42 into a pair of upper and lower screw holes 36, 36 provided in the vertical reinforcing portion 5 b of the door 5. At the same time, the cut-and-raised piece 48 of the intermediate plate 39 is firmly fixed to the door 5 by being engaged with the inner edge of the notch 35 provided in the vertical reinforcing portion 5b with the mounting plate 38 interposed therebetween. .

The intermediate plate 39 has a pair of upper and lower adjustment screws 54, 54 inserted into the long holes 46, with the outer edges of the intermediate plate 39 contacting the upper and lower bent pieces 45, 45 of the mounting plate 38. By screwing and tightening to 43, 43, it is firmly fixed to the mounting plate 38, and the adjustment screws 54, 54 are loosened so that the adjustment screws 54, 54 can move freely in the respective long holes 46. By moving it and tightening the adjusting screws 54 and 54 again, the mounting position in the vertical direction can be adjusted.
The adjusting screws 54, 54, the screw holes 43, 43, and the long holes 46, 46 form a vertical position adjusting means 40.

The movable piece 8 has a pair of upper and lower adjustment screws 55 inserted through the long holes 52 so that the upper and lower mounting pieces 51, 51 are sandwiched from above and below by the upper and lower bent pieces 49, 49 of the intermediate plate 39. , 55 are screwed into and tightened into the screw holes 47, 47 of the intermediate plate 39 to be firmly fixed to the mounting plate 38 via the intermediate plate 39, and the adjustment screws 55, 55 are loosened to adjust. The mounting positions in the left-right direction can be adjusted by moving the screws 55, 55 in the left-right direction within a range in which each of the long holes 52 can move freely and tightening the adjusting screws 55, 55 again.
A horizontal position adjusting means 41 is formed by the adjusting screws 55, 55, the screw holes 47, 47, and the long holes 52, 52.

  The door-side hinge cover 33 is fitted in the notch 34 of the door 5, and is attached to the base plate 56 attached to the intermediate plate 39 whose position is adjusted in the vertical direction together with the movable piece 8, and can be attached to and detached from the base cover 56. And a surface cover 57 that covers the exposed portion of the movable piece 8.

The base cover 56 is formed so as to protrude from the fitting portion 58 to be fitted into the notch 34 of the door 5 and the upper and lower surfaces and side surfaces of the fitting portion 58, and the opening edge of the side end surface of the door 5 at the notch 34. A side decorative rim 59 in which the opening edge is closed by fitting the closing piece 26 when the door 5 is closed, and a projection protruding from the upper and lower surfaces of the fitting 58, A back decorative edge 60 that covers the opening edge of the notch 34 on the back of the side frame 5a, and is connected to the back decorative edge 60 to cover the upper and lower and inner ends of the movable piece 8 and the attachment position adjusting means 32. that it has a frame portion 61.

  The base cover 56 is provided with elastic deformation provided at the upper and lower portions of the frame portion 61 so that the fitting portion 58 contacts the front surface of the movable piece 8 and the frame portion 61 covers the upper and lower sides and the inner end of the movable piece 8. The latching claw 62 that can be bent is moved up and down together with the intermediate plate 39 by elastically engaging with a long hole 50 that forms an engaged portion provided in the upper and lower bent pieces 49 of the intermediate plate 39. The fitting portion 58 is fitted to the notch 34 of the door 5 together with the attachment position adjusting means 32 and the movable piece 8.

  The vertical dimension of the fitting portion 58 of the base cover 56 is smaller than the vertical dimension of the notch 34, and the vertical dimension of the decorative edge portions 59 and 60 covering the edge of the notch 34 in the base cover 56 is notched. Therefore, the base cover 56 can move up and down together with the movable piece 8 without interfering with the notch 34, and is formed between the notch 34 and the fitting portion 58. Since the gap S to be formed is covered by the decorative edge portions 59 and 60 and is not exposed to the outside, it is possible to prevent dust from entering the housing 1 and improve the appearance.

  The front cover 57 is formed by connecting inner ends of a thin plate-like upper cover portion 57a and a lower cover portion 57b facing in the left-right direction by an intermediate cover portion 57c having a U-shape in side view, Recesses 63, 63 provided at the outer ends of the cover 57 a and the lower cover 57 b are recessed portions provided in the stepped portion of the base cover 56 where the frame portion 61 and the back decorative edge 60 are connected ( A pair of upper and lower elastically bendable locking claws 64 provided near the inner ends of the upper cover portion 57a and the lower cover portion 57b are fixed to the frame portion of the base cover 56. 61. The base cover 56 is detachably mounted by being elastically engaged with a recess 65, which is an engaged portion, provided on the inner surface of the upper and lower portions 61, and the mounting position is adjusted by the upper cover portion 57a and the lower cover portion 57b. Parts of the upper and lower adjustment screws 54, 55 in the means 32 Covered by the intermediate cover portion 57c, it is to cover the front end portion of the movable piece 8.

  Therefore, by simply removing the front cover 57 from the base cover 56, the upper and lower adjustment screws 54 and 55 in the attachment position adjusting means 32 can be operated to easily adjust the attachment position of the movable piece 8 with respect to the door 5. After finishing the adjustment, the appearance can be improved by attaching the front cover 57 to the base cover 56.

  As shown in FIGS. 1 and 2, the cabinet in which the door 5 is mounted in the front opening of the housing 1 as described above has a notch 34 opened on the side end surface of the door 5 when the door is closed. It is closed by the side decorative edge 59 of the cover 33 and the closing piece 26 of the housing side hinge cover 22, and the hinge device 6 inside thereof is not exposed to the outside, and the appearance is good.

When the door 5 is opened from this state, the shaft 17 in the hinge device 6 slides forward along the long hole 18 and the pivot shaft 9 moves forward and is movable while the four-bar rotation chain 20 opens in a diamond shape. The piece 8 rotates together with the door 5 to the front right about the pivot 9.
When the door 5 is rotated to the right by approximately 180 ° from the closed position, the pivot 9 moves forward in the meantime, and as shown in FIG. 3, the doors 5 are adjacent cabinets arranged side by side as the same structure. In the front of the door 5 'when closed, it reaches a fully open position close to and parallel to the door 5'.

  In the middle of the rotation of the door 5 from the closed position to the fully opened position, the link mechanism 10 of the hinge device 6 is exposed to the inside of the door 5 that has been opened or opened. Since the movable piece 8 is accommodated in the notches 21 and 34 provided on the inner surfaces of the side plate 2 and the door 5 and is covered with the housing-side hinge cover 22 and the door-side hinge cover 33, the aesthetic appearance can be maintained. it can.

  When the door 5 is rotated from the fully open position to the original closed position, the operation returns to the state shown in FIG. In both cases of opening and closing, the door 5 and the hinge device 6 do not interfere with the adjacent door 5 ′.

The present invention can be widely applied not only to the above-described cabinet but also to a door mounting portion in, for example, a locker, storage, desk, or other furniture.
In the above embodiment, the attachment position adjusting means and the cover member are provided between the door and the movable piece of the hinge device, but the attachment is provided between the side plate of the housing and the fixed piece of the hinge device. It can also be carried out by providing a position adjusting means and a cover member.

It is an appearance perspective view of a cabinet provided with one embodiment of the present invention. FIG. 2 is an enlarged cross-sectional plan view taken along line II-II in FIG. 1. FIG. 3 is an enlarged cross-sectional plan view similar to FIG. 2 when the door is opened to a fully open position. It is an expansion disassembled perspective view of a hinge part. It is a disassembled perspective view of an attachment position adjustment means. It is the VI-VI line arrow directional view of FIG. It is a cross-sectional plan view which follows the VII-VII line of FIG. It is a vertical side view along the VIII-VIII line of FIG.

DESCRIPTION OF SYMBOLS 1 Housing | casing 2 Side plate 2a Inner surface plate 3 Top plate 4 Bottom plate 5 Door 5a side frame part 5b Vertical reinforcement part 6 Hinge apparatus 7 Fixed piece 7a Horizontal piece 8 Movable piece 9 Pivot 10 Link mechanism 11 Axis 12 First link 13, 14 axis 15 Second link 16, 17 Shaft 18 Long hole 19 Third link 20 Four-node rotation chain 21 Notch 22 Housing side hinge cover 23 Screw 24 Front decorative edge 25 Side decorative edge 26 Closing material 27 Fitting parts 28, 29 Grip piece engaging portion 30 Inward protrusion engaging portion 31 Notch 32 Mounting position adjusting means 33 Door side hinge cover (cover member)
34, 35 Notch 36 Screw hole 37 Relief hole 39 Intermediate plate 40 Vertical position adjusting means 41 Horizontal position adjusting means 42 Screw insertion hole 43 Screw hole 44 Long hole 45 Bending piece 46 Long hole 47 Screw hole 48 Cutting and raising piece 49 Folding Curved piece 50 long hole (engaged part)
51 Attachment piece 52 Long hole 53 Fixing screw 54, 55 Adjustment screw 56 Base cover 57 Front cover 57a Upper cover part 57b Lower cover part 57c Intermediate cover part 58 Fitting part 59 Side decorative edge part 60 Rear decorative edge part 61 Frame part 62 Locking claw 63 Projection 64 Locking claw 65 Recess (engaged part)
S clearance

Claims (6)

In the notch provided on the inner surface of the side plate in the casing having an open front surface, the fixed piece in the hinge device in which the movable piece is rotatable about the pivot axis with respect to the fixed piece is fixed, and the opening of the casing In the door mounting structure in which the door is opened and closed by fixing the movable piece in the hinge device in a notch provided on the back surface of the door that closes the front surface of the door,
Mounting position adjusting means for adjusting the mounting position of the fixed piece or the movable piece in the vertical direction and the horizontal direction is provided between the fixed piece and the side plate or between the movable piece and the door, and the fixed piece Alternatively, a cover member that covers the movable piece is attached to a member that is adjusted in the vertical direction together with the fixed piece or the movable piece in the attachment position adjusting means , and the dimension of the cover member is larger than the dimension of the notch. A door mounting structure characterized by that.   The mounting position adjusting means includes a mounting plate fixed to the side plate or the door, a vertical position adjusting means for adjusting the vertical position of the intermediate plate with respect to the mounting plate, and a fixed piece or movable with respect to the intermediate plate. The door mounting structure according to claim 1, further comprising a horizontal position adjusting means for adjusting the position of the piece in a horizontal direction, wherein a cover member that covers the fixed piece or the movable piece is attached to the intermediate plate.   A notch for fitting the hinge device is provided at the corner between the inner surface and the front surface of the side plate in the housing, or the corner between the rear surface and the outer surface when the door is closed, and a fixed piece or a movable piece is provided in this notch. A cut portion formed by fitting the fitting portion of the cover member to cover, making the vertical dimension of the fitting portion smaller than the vertical size of the notch, and projecting from the upper and lower surfaces of the fitting portion of the cover member. The door mounting structure according to claim 1 or 2, wherein the vertical dimension of the decorative edge part covering the edge part of the notch is larger than the vertical dimension of the notch.   A cover member that covers the fixed piece or the movable piece is fitted into a notch provided on the side plate or door of the housing, and is attached to a member that is vertically adjusted with the fixed piece or the movable piece. A door mounting structure according to claim 3, further comprising a surface cover that is detachably attached to the base cover and covers a exposed portion of the hinge device.   Locking that elastically engages an engaged portion provided on the other side of either the cover member that covers the fixed piece or the movable piece and the member that is adjusted in the vertical direction together with the fixed piece or the movable piece. The door mounting structure according to any one of claims 1 to 4, wherein a claw is provided.   Link the hinge piece to the fixed piece and the movable piece so that the pivot, which is the pivot center of the movable piece, moves in the front-rear direction relative to the fixed piece in conjunction with the opening and closing operation of the door. The door mounting structure according to any one of claims 1 to 5, wherein the door is of a pivotal movement type linked to each other.

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