JPH04213683A - Door opening/closing device - Google Patents

Abstract

PURPOSE:To open and close a suspended door body safety without damaging the suspended door body at the time of opening and closing the suspended door body. CONSTITUTION:Right and left suspended door bodies 32, 33 to open and close the front portion of a furniture body 1 are provided. One suspended door 32 out of the above two is provided with a guide roller 57, a stopper pin 54 and a locking pin 58 on its upper end portion and a guide roller 95 and a stopper 96 are provided on its bottom end portion. In the other suspended door body 33, a guide roller 73 and a locking portion 70 locked by said stopper 54 are provided on the upper portion and a guide roller 103 and as locking protruding portion 102 locked by said stopper 96 are provided on its bottom end portion. A stopper body 15 locking said locking pin 58 is provided on an upper rail body 6. Thus, any damage to one suspended door body 33 is prevented by the door knob of the other suspended door body 32. Fingers are not pinched between the suspended door bodies 32, 33.

Description

[Detailed description of the invention]

0001 [Purpose of the invention]

0002

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening/closing device, and mainly relates to a hanging type sliding door that opens and closes the front side of a furniture body in the left-right direction.

0003

[Prior Art] Conventionally, this type of door opening/closing device has, for example, provided and fixed front and rear guide rails extending in the left-right direction at the upper and lower parts of the furniture body, respectively, and the front and rear guide rails at the upper part engages respective guide rollers provided at the top of the left and right hanging door bodies, and engages respective guide rollers provided at the bottom of the left and right hanging door bodies with the front and rear guide rails of the lower part. The left and right hanging doors are provided so that they can be moved and closed in the left and right directions along the upper and lower guide rails via upper and lower guide rollers, respectively, and when the hanging doors are released, the hanging doors overlap back and forth. is taken.

0004

[Problem to be Solved by the Invention] In the case of the above structure, each hanging door body is usually provided with a handle for opening and closing the hanging door body, so the hanging door body is opened and closed by this handle. However, if the handle of the rear hanging door body protrudes forward from the front of the hanging door body when the hanging door is combined, the front hanging door body may be damaged by this handle. In addition, there is a danger that the hand holding the handle may get caught between the front hanging door body and the handle of the hanging door body that will be on the rear side when it overlaps, if it is buried in the hanging door body. There is a problem that there is a risk of getting your hand caught between the door and the front hanging door body.

[0005]The present invention was made in view of the above problems, and it is possible to reliably stop the left and right hanging doors at predetermined opening/closing positions, and when the hanging doors are opened/closed, they can be hung by the handles. To provide a door opening/closing device that can safely open and close a hanging door body without the risk of damaging the door body or getting your hand caught between the door body and the hanging door body.

[0006] [Structure of the invention]

[0007]

[Means for Solving the Problems] The door opening/closing device of the invention as claimed in claim 1 provides an upper rail body having front and rear parallel guide rails arranged and fixed on the upper part of the furniture body and extending in the left and right direction, and a lower part of the furniture body. a lower rail body having front and rear parallel guide rails arranged and fixed thereto and extending in the left-right direction; left and right hanging door bodies disposed between the upper and lower rail bodies for opening and closing the front part of the furniture body; It has a guide roller attached to the upper end of one of the hanging door bodies and movably engaged with the guide rail on the front side of the upper rail body, and a locking pin is protruded from the side thereof, and The upper part has an upper roller unit with a stopper pin projecting thereon, and a guide roller attached to the lower end of the one hanging door body and movably engaged with the guide rail on the front side of the lower rail body. , a lower roller unit having a stopper on its side, and a guide roller attached to the upper end of the other hanging door body and movably engaged with a guide rail on the rear side of the upper rail body, an upper roller unit having a locking part that is locked to the stopper pin; and a guide that is attached to the lower end of the other hanging door body and movably engaged with the guide rail on the rear side of the lower rail body. a lower roller unit having a roller and a locking protrusion that is locked to the stopper; and a lock that is fixed to a stop position of the one hanging door body in the upper rail body and locks the locking pin. A stopper body having a recessed portion.

[0008] The door opening/closing device of the invention according to claim 2 is provided in claim 1.
In this device, the upper rail body has a protrusion between the front and rear guide rails at the fixed position of the stopper body, and the mounting board of the stopper body is fitted and fixed to this protrusion.

[0009] The door opening/closing device of the invention according to claim 3 is the door opening/closing device according to claim 1.
In the above device, the upper rail body has an abutment portion formed rearward and upper than the rear guide rail to guide engagement of the guide roller with the rear guide rail.

0010

[Operation] In the door opening/closing device of the invention as claimed in claim 1, when the front part of the furniture body is to be opened, when one of the hanging door bodies is moved in the direction of releasing the front part of the furniture body, the hanging door body teeth,
The guide roller of the upper roller unit is moved along the guide rail on the front side of the upper rail body, and the guide roller of this lower roller unit is moved along the guide rail on the front side of the lower rail body in the moving direction. When the hanging door body is moved to the stop position, the locking pin on the side of the upper roller unit is engaged and locked in the locking recess of the stopper body, and the movement of the hanging door body is stopped.

Next, the other hanging door body is moved in the moving direction of the one hanging door body, and the guide roller of the upper roller unit is moved to the guide rail on the rear side of the upper rail body. Also, the guide rollers of this lower roller unit are moved in the moving direction along the guide rails on the rear side of the lower rail body. When this other hanging door body is moved to the stop position of one hanging door body, the locking part of the upper roller unit of this other hanging door body is moved to the stopper pin of the upper roller unit of one hanging door body. At the same time, the locking protrusion of the lower roller unit of the other hanging door body is locked to the stopper of the lower roller unit of one hanging door body.

[0012] Therefore, one hanging door body is reliably stopped at the stop position, the other hanging door body is securely stopped in a superposed state on the front part of this one hanging door body, and the front part of the furniture main body is released. be done. At this time, one hanging door body and the other hanging door body are stopped at appropriate positions by the action of their respective stoppers, and the hanging door body is not damaged by the handle of the hanging door body, or the hanging door body is not touched between the hanging door bodies. will not get caught.

In the door opening/closing device according to the second aspect of the invention, by fitting and fixing the mounting board of the stopper body to the protrusion between the front and rear guide rails of the upper rail body, the stopper body can be easily fixed when the stopper body is fixed. and securely fixed.

In the door opening/closing device according to the third aspect of the invention, the guide roller can be easily engaged with the rear guide rail using the abutting portion of the upper rail body as a guide. This abutting portion prevents the guide roller from slipping off.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

In the figure, reference numeral 1 denotes a furniture body, and the furniture body 1 has a top plate 2, a bottom plate 3, left and right side plates 4, and a back plate (not shown), and is formed with an open front part. Bottom plate 3
A leg body 5 is integrally attached to the lower part of the front and rear parts.

An upper rail body 6 extending in the left-right direction over the entire length of the top plate 2 is integrally fixed to the upper front end of the top plate 2. The upper rail body 6 has a mounting plate 7 fixed to the top plate 2 over the entire length thereof, and two parallel inner and outer guide rails 8 are integrally provided on the upper part of the mounting plate 7 at the front and rear sides. A protrusion 9 having a height lower than that of the guide rail 8 is integrally provided between the inner and outer guide rails 8. Also, on the upper rear edge of the mounting plate 7, there is a reverse L in side view.
A shaped support plate 10 is integrally protruded, and this support plate 10 includes a vertical plate part 12 with an abutting part 11 formed at the bottom, a horizontal plate part 13 continuing from the upper end of this vertical plate part 12, and The horizontal plate part 13 is formed with a support piece 14 protruding from the lower part of the vertical plate part 12 near the upper end thereof.

Further, upper stopper bodies 15 are fixed to the protrusions 9 at both left and right ends of the upper rail body 6. The upper stopper body 15 is made of synthetic resin, and has a mounting board 16 that is fixed by fitting a lower fitting recess into the protrusion 9, and extends inwardly and upwardly from the outer end of the mounting board 16. A clamping piece 17 is integrally provided upwardly and downwardly protruding toward the section,
A substantially cylindrical locking recess 18 is continuously formed between the outer ends of the upper and lower clamping pieces 17, and protrusions 19 are formed opposite to each other at the upper and lower parts of the inner opening of the locking recess 18. There is.

Further, a center stopper 20 for temporary locking is fixed to the protrusion 9 at the intermediate portion of the upper rail body 6. This center stopper 20 is made of synthetic resin and has a mounting board 21 fixed to the protrusion 9.
A stopper piece 23 having rising pieces 22 on the left and right sides is integrally protruded from approximately the middle upper part thereof so as to be elastically deformable in the vertical direction. The guide portion 24 is gradually inclined upwardly at a gentle inclination angle, and a substantially semicircular locking recess 25 is connected between the inner ends of the left and right guide portions 24.

Next, a lower rail body 26 is integrally fixed to the lower front end of the bottom plate 3 and extends in the left-right direction over the entire length thereof. This lower rail body 26 has a mounting plate 27 fixed over the entire length of the bottom plate 3.
In the lower part of the guide rail 7, two parallel inner and outer guide rails 28 are partitioned by a plurality of partition pieces 29 at the front and rear sides and are integrally formed.

Further, a lower stopper body 30 molded into a block shape from synthetic resin is fixed to both left and right ends of the guide rail 28 on the outer side of the lower rail body 26.

Reference numeral 31 denotes a sliding door for opening and closing the front opening of the furniture body 1, and when the front opening is closed, the sliding door 31 slides on the left and right sides on the same plane inside the furniture body 1 side. It is composed of three hanging door bodies 32 arranged on the left and right and a hanging door body 33 arranged on the outside between the intermediate parts so as to close the space between the left and right hanging door bodies 32. An upper mounting recess 35 with an open inner side is formed in the inner side of the left and right upper ends of each of the three hanging door bodies 32, 33, and the left and right lower ends of each of the hanging door bodies 32, 33 are formed with an open upper mounting recess 35. A lower mounting recess 36 with an open inner side is formed in the inner side thereof.

Next, in the left and right hanging door bodies 32 disposed in the left and right parts, the left and right upper mounting recesses 35 are respectively installed.
An upper roller unit 37 is fixed to the upper roller unit 37.

The upper roller unit 37 includes a metal fixed base body 38 that is attached to the upper mounting recess 35, a metal movable frame 39, and bolts that adjust the movable frame 39 vertically relative to the fixed base body 38. 40
It is configured with.

The fixed base body 38 has a mounting board 41 extending in the left-right direction.
Guide pieces 42 are formed on the left and right sides of 1 by being cut and raised parallel and perpendicularly to each other, and long guide grooves 43 that are long in the vertical direction are formed in the left and right guide pieces 42 in parallel to each other. There is. Further, support pieces 44 and 45 are formed by cutting and raising vertically parallel to each other at a predetermined interval between the upper and lower portions of the intermediate portion of the mounting board 41, that is, between the left and right guide pieces 42. An insertion hole 46 for inserting a bolt that penetrates in the vertical direction is formed in the lower part, and the lower support piece 45 is connected to the insertion hole 46 to allow the bolt 40 to pass through.
A screw hole 47 is formed into which the screw shaft portion 40a of the screw shaft 40a is screwed so as to be freely retractable. Further, a plurality of mounting holes 48 are formed in the upper and lower portions of both left and right ends of the mounting board 41. Then, with the guide piece 42 and support pieces 44, 45 housed in the upper mounting recess 35, the mounting board 41 has both left and right ends of the mounting board 41 in contact with the opening edges of the upper mounting recess 35. The mounting board 41 is integrally fixed to the hanging door body 32 by screwing screws 49 into the hanging door body 32 through the respective attachment holes 48 at both left and right ends.

The movable frame 39 also has a narrow horizontal top plate 50 extending in the left-right direction, and an outer plate 51 and an inner plate connected in parallel to each other at the lower sides of both sides of the top plate 50 in the width direction. 52. An insertion hole 53 is formed in the middle part of the upper plate 50 and communicates with the insertion hole 46 and the screw hole 47, through which the bolt 40 is inserted. 54 are integrally provided in a protruding manner. Furthermore, guide protrusions 55 are integrally formed at both left and right ends of the outer plate 51 and are vertically movably inserted into the left and right guide grooves 43 of the fixed base body 38. Further, a support shaft 56 is integrally and horizontally protruded from the intermediate inner side of the inner plate 52, and is movably engaged with the guide rail 8 on the outside of the upper rail body 6. A guide roller 57 suspended from this guide rail 8 is rotatably mounted on an axis, and this inner plate 52
A locking pin 58 that is removably locked in the locking recess 18 of the upper stopper body 15 is horizontally protruded from the inner side of one end of the upper stopper body 15 .

The movable frame 39 inserts its outer plate 51 between the guide pieces 42 of the fixed base body 38, and inserts the left and right guide protrusions 55 of the outer plate 51 into the left and right guide grooves 43. The bolt 40 is inserted into the insertion hole 53 of the top plate 50 of the movable frame 39 into the insertion hole 46 of the support piece 44 on the upper part of the fixed base body 38, and the threaded shaft portion 40a of the bolt 40 is inserted into the It is screwed into the screw hole 47 of the lower support piece 45 so that it can move forward and backward. As a result, the movable frame 39 having the guide rollers 57 is connected to the fixed base body 38 via the bolts 40 in a height-adjustable manner, and the upper roller unit 37 is configured. Further, a cover body 59 is superimposed on the inner side of the mounting board 41 of the fixed base body 38 of the upper roller unit 37,
This cover body 59 is fastened together with the mounting board 41 to the hanging door body 32 using left and right upper and lower screws 49 screwed into the hanging door body 32. As a result, the inner side surface of the mounting board 41 is covered and the appearance is improved.

Next, the hanging door body 3 disposed in the intermediate portion
3, an upper roller unit 60 is fixed to the left and right upper mounting recesses 35.

The upper roller unit 60 includes a metal fixed base body 61 that is attached to the upper mounting recess 35, a metal movable frame 62, and bolts that adjust the vertical movement of the movable frame 62 with respect to the fixed base body 61. 63
It is configured with.

The fixed base body 61 is connected to the fixed base body 3 of the upper roller unit 37 fixed to the left and right parts.
Since it is formed with the same structure as 8, the reference numerals used for this fixed base body 38 will be written in each place and the explanation thereof will be omitted. Further, this fixed base body 61 is integrally fixed to the hanging door body 33 by the same means as the fixed base body 38.

The movable frame 62 also includes an upper plate 64 formed in a substantially rectangular shape, and an outer plate 65 and an inner plate 66 that are connected in parallel to each other at the lower portions of both the front and rear sides of the upper plate 64.
It is formed by A housing recess 67 is formed in the outer middle part of the upper surface plate 64, and this housing recess 67
An insertion hole 69 that communicates with the insertion hole 46 and the screw hole 47 and through which the bolt 63 is inserted is formed in the middle of the horizontal locking plate 68, and the left and right edges of the upper surface plate 64 A locking edge 70 is formed as a locking portion to be locked to the stopper pin 54. Further, at both left and right ends of the outer plate 65, guide protrusions 71 are inserted into the left and right guide grooves 43 of the fixed base body 61 so as to be movable up and down.
are integrally formed. Further, a support shaft 72 is integrally and horizontally protruded from the intermediate outer side of the inner plate 66, and is movably engaged with the guide rail 8 inside the upper rail body 6. A guide roller 73 suspended by the guide rail 8 is rotatably mounted on an axis, and is engaged with the guide portion 24 and the locking recess 25 of the stopper piece 23 of the center stopper 20 on the outer side of one end of the inner plate 66. A locking pin 74 that is removably locked is horizontally protruded. Further, this inner plate 66 comes into contact with the abutting portion 11 of the support plate 10 for positioning when it is set on the guide rail 8.

The movable frame 62 has its outer plate 65 inserted between the guide pieces 42 of the fixed base body 61, and the left and right guide protrusions 71 of the outer plate 65 inserted into the left and right guide grooves 43. The bolt 63 is inserted into the insertion hole 46 of the support piece 44 on the upper part of the fixed base body 61 from the insertion hole 69 of the accommodation recess 67 in the upper surface plate 64 of the movable frame 62, and the screw of this bolt 63 is inserted. The shaft portion 63a is screwed into the screw hole 47 of the lower support piece 45 so that it can move forward and backward. As a result, the movable frame 62 having the guide rollers 73 is connected to the fixed base body 61 via the bolts 63 in a height-adjustable manner, and the upper roller unit 60 is configured. Also, this upper roller unit 60
A cover body 59 is superimposed on the inner side of the mounting board 41 in the fixed base body 61 of
1 to the hanging door body 33 together with the mounting board 41 using left and right upper and lower screws 49 screwed into the hanging door body 33. As a result, the inner side surface of the mounting board 41 is covered and the appearance is improved.

[0033] Next, in the left and right hanging door bodies 32 disposed on the left and right parts, the respective left and right lower mounting recesses 36 are installed.
A lower roller unit 75 is fixed to the lower roller unit 75.

The lower roller unit 75 includes a metal fixed base 76 and a metal movable frame 77 that are attached to the lower mounting recess 36, and supports the movable frame 77 so as to be vertically movable relative to the fixed base 76. A pair of compression springs 78 are provided.

The fixed base body 76 has a mounting board 79 extending in the left-right direction.
Guide pieces 80 are formed on the left and right sides of the guide plate 9 by cutting and raising them in parallel and perpendicular shapes, and guide grooves 81 that are long in the vertical direction are formed in the left and right guide pieces 80 in parallel to each other. There is. Further, support pieces 82 and 83 are formed by cutting and raising vertically parallel to each other at a predetermined interval between the upper and lower portions of the intermediate portion of the mounting board 79, that is, between the left and right guide pieces 80. Locking pieces 84 for locking the lower ends of the compression springs 78 are formed on both left and right sides to protrude upward. Further, a plurality of mounting holes 85 are formed in the upper and lower portions of both left and right ends of the mounting board 79. And this mounting board 7
9, with the guide piece 80 and support pieces 82, 83 accommodated in the lower mounting recess 36, both left and right ends of the mounting board 79 are brought into contact with the opening edges of the lower mounting recess 36, and the left and right ends The mounting board 41 is integrally fixed to the hanging door body 32 by screwing screws 86 into the hanging door body 32 through each attachment hole 85 .

Furthermore, the movable frame 77 has a vertical plate portion 87, an inclined plate portion 88, and a horizontal plate portion 89, each having a width disposed between the left and right guide pieces 80 of the fixed base body 76 from the top to the bottom. It is formed by The upper and lower support pieces 82 are provided at the middle portion of the vertical plate portion 87 in the left-right direction.
, 83 is vertically movably inserted into the insertion recess 90 and is formed with an open upper part, and a vertical wall on one side of the insertion recess 90 is provided with a support piece 83 at the lower part of the fixed base body 76 from the left and right directions. A locking portion 91 that engages and disengages is formed in a cutout. Further, the fixed base body 7
Guide protrusions 92 are integrally inserted into the left and right guide long grooves 81 of 6 so as to be vertically movable. Furthermore, locking pieces 93 that lock the upper ends of the left and right compression springs 78 are formed to protrude downward from the left and right upper portions of the vertical plate portion 87.

Further, a support shaft 94 is provided at the intermediate portion of the horizontal plate portion 89.
A guide roller 95 that is movably engaged with the guide rail 28 on the outside of the lower rail body 26 is rotatably mounted on this support shaft 94 . Further, a plate-shaped stopper 96 is integrally and horizontally protruded from one end of the horizontal plate portion 89.

The movable frame 77 is disposed between the left and right guide pieces 80 of the fixed base body 76, and
The left and right guide protrusions 92 of the vertical plate portion 87 are connected to the left and right guide pieces 80.
A pair of compression springs 7 are inserted into the long guide groove 81 so as to be movable up and down, and between the locking pieces 84 and 93 that face each other vertically on the left and right sides.
Lock the upper and lower ends of 8. As a result, the fixed base body 7
A movable frame 77 having a guide roller 95 at 6 is connected via a pair of compression springs 78 to be vertically movable, and
A lower roller unit 75 is configured. Further, a cover body 97 is superimposed on the inner side of the mounting board 79 of the fixed base body 76 of this lower roller unit 75, and this cover body 9
7 are fastened together with the mounting board 79 to the hanging door body 32 using left and right, top and bottom screws 86 screwed into the hanging door body 32. As a result, the inner side surface of the mounting board 79 is covered and the appearance is improved.

Next, the hanging door body 3 disposed in the intermediate part
3, a lower roller unit 98 is fixed to the left and right lower mounting recesses 36.

This lower roller unit 98 includes a metal fixed base body 99 that is attached to the lower mounting recess 36, a metal movable frame 100, and this movable frame 10.
0 with respect to the fixed base body 99 so as to be movable up and down.

[0041] The fixed base body 99 is attached to the hanging door body 3.
Since it is formed to have the same structure as the fixed base body 76 of the lower roller unit 75 fixed to the left and right parts of No. 2, the reference numerals used for this fixed base body 76 will be written in each part and the explanation thereof will be omitted. Further, this fixed base body 99 is attached to the hanging door body 33 by the same means as the fixed base body 76.
is integrally fixed to.

Furthermore, since the movable frame 100 has almost the same structure as the movable frame 77 of the lower roller unit 75 fixed to the left and right sides of the hanging door body 32, parts having the same structure are designated by the same reference numerals. will be described and its explanation will be omitted. The inclined plate part 88 and the horizontal plate part 89 are formed wide so as to largely protrude inwardly, and the lower roller is located in the middle of the horizontal plate part 89 near the inner end. Movable frame 77 of unit 75
A support shaft 102 serving as a locking protrusion that is locked to the stopper 96 is vertically provided, and a guide movably engaged with the guide rail 28 inside the lower rail body 26 is provided on the support shaft 102. A roller 103 is rotatably mounted on an axis. This movable frame 100 is
It is arranged between the left and right guide pieces 80 of the fixed base body 99, and the left and right guide protrusions 92 of the vertical plate part 87 are inserted into the guide long grooves 81 of the left and right guide pieces 80 so as to be vertically movable. The upper and lower ends of the pair of compression springs 101 are locked between the opposing locking pieces 84 and 93.

As a result, the movable frame 100 having the guide roller 103 is connected to the fixed base body 99 via the pair of compression springs 101 so as to be vertically movable.
A lower roller unit 98 is configured. Also, a cover body 97 is superimposed on the inner side of the mounting board 79 in this lower roller unit 98, and this cover body 97 is attached to the mounting board 79.
are fastened together with the mounting board 79 to the hanging door body 33 using left and right upper and lower screws 86 screwed into the hanging door body 33. As a result, the inner side surface of the mounting board 79 is covered and the appearance is improved. Furthermore, a cover body 104 is attached between the inclined plate part 88 and the horizontal plate part 89 of the movable frame 100 in the left and right lower roller units 98.

Next, the support plate 10 of the upper rail body 6
A stopper body 1 for preventing wheel derailment is provided on the horizontal plate portion 13 in
05 can be installed. This stopper body 105 has an insertion groove 1 into which the horizontal plate portion 13 is inserted.
06, and an engagement surface 107 that comes into contact with the lower wall surface A of the ceiling is formed at its upper part, and a stopper pin 5 of the upper roller unit 37, 60 is formed at its lower part.
4 and the top plate 64 are formed. Therefore, the distance between the locking surface 108, the stopper pin 54, and the top plate 64 is formed to be smaller than the height of the two guide rails 8 of the upper rail body 6. When each hanging door body 32, 33 is lifted upward, each stopper pin 54 and top plate 64 are locked to the locking surface 108 of the stopper body 105, and each guide roller 57, 73 is locked. It is designed to prevent the wheels from falling off. Further, a decorative body 109 is attached to the front surface of the stopper body 105.

Next, each hanging door body 32, 33 is attached to the furniture body 1.
When installing, first, attach the guide rollers 57 of the upper roller units 37 at the upper left and right ends of the hanging door bodies 32 disposed on the left and right sides to the outer guide rails 8 of the upper rail body 6 of the furniture body 1. engage. Thereby, the hanging door bodies 32 disposed on the left and right sides are suspended from the outer guide rails 8 via the respective guide rollers 57 so as to be movable in the left and right directions.

[0046] When the left and right hanging door bodies 32 are suspended, the hanging door bodies 32 may tilt in the left-right direction due to distortion of the top plate 2 of the furniture body 1 or installation errors of the guide rollers 57. If a situation arises in which smooth opening and closing movement in the left and right directions cannot be expected, by rotating and adjusting the bolts 40 of the upper roller unit 37 at the locations that require adjustment,
The fixed base body 38 is vertically adjusted relative to the movable frame 39 of the upper roller unit 37 that engages the guide roller 57 with the guide rail 8 on the outside, and the hanging door body 32 can be vertically and smoothly opened and closed. The settings are adjusted to a possible state.

That is, when the bolt 40 is rotated with the guide roller 57 of the movable frame 39 engaged with the outer guide rail 8, the threaded shaft portion 40a at the lower end of the bolt 40 causes the fixed base body 38 to be rotated. The lower support piece 45 is moved up and down through this screw hole 47, and
The left and right guide pieces 42 of the fixed base body 38 pass through the guide long grooves 43 to the left and right guide protrusions 55 of the movable frame 39.
Therefore, by adjusting the rotation of the bolt 40, the fixed base body 38 is moved up and down with respect to the movable frame 39, and the hanging door body 32 to which this fixed base body 38 is fixed is tilted. The posture is changed from the state to vertical. In this case, the upper and lower parts of the bolt 40 are inserted into and supported by the insertion hole 53 of the movable frame 39 and the insertion hole 46 of the upper support piece 44 of the fixed base body 38, and the fixed base body 38 is supported by the left and right guides. Since the piece 42 is inserted into and supported by the left and right guide protrusions 55 of the movable frame 39 via the guide groove 43 so as to be vertically movable, the fixed base body 38 can not swing significantly in the left-right direction with respect to the movable frame 39. The vertical movement can be adjusted smoothly and in a stable state.

Next, while the left and right hanging door bodies 32 are suspended from the guide rail 8 on the outside of the upper rail body 6 so as to be movable in the left and right directions, the movable frame 77 of the lower roller unit 75 at the lower left and right ends of each When pulled downward, the movable frame 77 is pulled out from the fixed base body 76 against the left and right compression springs 78. The locking part 91 at one side of the insertion recess 90 of the movable frame 77 is connected to the support piece 83 at the lower part of the fixed base body 76.
When the movable frame 77 is moved laterally toward the support piece 83 side, the locking portion 91 is inserted and locked into the support piece 83, and the movable frame 77 is moved downward from the fixed base body 76. The guide roller 95 of this movable frame 77 is located below the lower end of the partition piece 29 on the outside of the guide rail 28 on the outside of the lower rail body 26. and is located below the guide rail 28 on the outside of the lower rail body 26. Then, when the movable frame 77 is laterally moved outward on the side opposite to the support piece 83 at the lower part of the fixed base body 76, the locking part 91 of the insertion recess 90 is disengaged from this support piece 83, and the movable frame 77 is temporarily moved. The lock will be released.

Further, the temporary lock of the movable frame 77 is released, and the movable frame 77 is pushed up by the restoring force of the left and right compression springs 78.
7 guide rollers 95 are automatically engaged within the guide rail 28 on the outside of the lower rail body 26. When the guide roller 95 of the lower roller unit 75 is engaged with the guide rail 28 on the outside of the lower rail body 26, the movable frame 77 has its insertion recess 90 aligned with the fixed base body 76.
The movable frame 77 is smoothly moved up and down with respect to the fixed base body 76. In addition, when temporarily locking the movable frame 77 and releasing this temporary lock, the movable frame 77
By moving the left and right guide pieces 80 laterally, the respective left and right guide pieces 80
Since the left and right guide protrusions 92 move in and out of the guide groove 81, the movable frame 77 can be temporarily locked and the temporary lock can be easily released.

In this way, the respective guides of the upper roller unit 37 and the lower roller unit 75 are placed on the left and right sides between the guide rail 8 on the outside of the upper rail body 6 and the guide rail 28 on the outside of the lower rail body 26. roller 57
, 95, the left and right hanging door bodies 32 are engaged and suspended so as to be movable in the left and right directions on the same plane.

Next, the guide rollers 73 of the upper roller units 60 on the left and right upper portions of the hanging door body 33 disposed in the intermediate portion are engaged with the inner guide rails 8 of the upper rail body 6 of the furniture body 1. Thereby, the hanging door body 33 disposed in the intermediate portion is suspended from the inner guide rail 8 via the left and right guide rollers 73 so as to be movable in the left and right direction.

[0052] When the hanging door body 33 at the intermediate portion is suspended, the hanging door body 33 may tilt in the left-right direction due to distortion of the top plate 2 of the furniture main body 1, installation error of the guide roller 73, etc. If a situation arises in which smooth opening and closing movement in the left and right directions cannot be expected, the guide roller 73 can be engaged with the inner guide rail 8 by adjusting the rotation of one or both bolts 63 of the upper roller unit 60. The fixed base body 61 is vertically adjusted relative to the movable frame 62 of the assembled upper roller unit 60, and the hanging door body 33 is adjusted and set in a state in which it can be opened and closed vertically and smoothly.

That is, when the bolt 63 is rotated with the guide roller 73 of the movable frame 62 engaged with the inner guide rail 8, the fixed base body 61 is rotated by the threaded shaft portion 63a at the lower end of the bolt 63. , is moved up and down in the same manner as the upper roller units 37 of the left and right hanging door bodies 32, and therefore, by adjusting the rotation of the bolt 63, the fixed base body 61 is moved up and down with respect to the movable frame 62. The hanging door body 33 to which the fixed base body 61 is fixed is changed from an inclined state to a vertical state. In this case, the upper and lower parts of the bolt 63 are inserted into and supported by the insertion hole 69 of the movable frame 62 and the insertion hole 46 of the upper support piece 44 of the fixed base body 61, and the fixed base body 61 is supported by the left and right guides. Since the piece 42 is inserted into and supported by the left and right guide protrusions 71 of the movable frame 62 via the guide groove 43 so as to be vertically movable, the fixed base body 61 can not swing significantly in the left-right direction with respect to the movable frame 62. The vertical movement can be adjusted smoothly and in a stable state.

Next, with the intermediate hanging door body 33 suspended from the guide rail 8 inside the upper rail body 6 so as to be movable in the left and right directions, the lower roller units 9 at the lower left and right ends are moved.
When the movable frame 100 at 8 is pulled downward,
This movable frame 100 has left and right compression springs 101
It is pulled out downward from the fixed base body 99 against the force. Then, this movable frame 100 is attached to the left and right hanging door bodies 3.
As in the case of the lower roller unit 75 in No. 2, when the lower roller unit 75 moves laterally toward the lateral support piece 83, the locking part 91 of the insertion recess 90 is inserted and locked into this support piece 83, and this movable frame 100 becomes the fixed base. The guide rollers 103 of the movable frame 100 are temporarily locked to the fixed base body 99 while being pulled out downward from the body 99, and the guide rollers 103 of the movable frame 100 are similar to the guide rollers 95 of the lower roller units 75 of the left and right hanging door bodies 32. It is located below the guide rail 28 inside the lower rail body 26.

When the movable frame 100 is laterally moved outward on the side opposite to the support piece 83 at the lower part of the fixed base body 99, the locking part 91 of the insertion recess 90 is disengaged from the support piece 83, and the movable frame The temporary lock of 100 is released, and this movable frame 100 is moved to the left and right compression springs 101.
This movable frame 1 is pushed up by the restoring force of
00 guide roller 103 is automatically engaged within the guide rail 28 inside the lower rail body 26.

The guide roller 103 of the lower roller unit 98 is attached to the guide rail 28 inside the lower rail body 26.
In the case of engaging the movable frame 100,
Since the movable frame 77 of the left and right hanging door bodies 32 can be moved up and down, the movable frame 100 can be smoothly moved up and down with respect to the fixed base body 99. Also, when the movable frame 100 is temporarily locked and the temporary lock is released, the movable frame 100 operates in the same manner as the movable frame 77, so that the temporary lock of the movable frame 100 and the release of the temporary lock are easily performed.

In this way, the respective guides of the upper roller unit 60 and the lower roller unit 98 are placed on the left and right sides between the guide rail 8 inside the upper rail body 6 and the guide rail 28 inside the lower rail body 26. roller 73
, 103, the hanging door body 33 at the intermediate portion is engaged and suspended so as to be movable laterally.

The large inclined plate part 88 and the horizontal plate part 89 of the movable frame 100 of the lower roller unit 98 of the hanging door body 33 in the middle part are connected to the left and right hanging door bodies 32.
The intermediate hanging door body 33 is suspended so as to be moved in the left-right direction below a position where it does not abut against the inclined plate part 88 and the horizontal plate part 89 on the movable frame 77 of the lower roller unit 75.

Next, the left and right hanging door bodies 32 and the middle hanging door body 33 are moved in the left-right direction along the upper and lower guide rails 8, 28 via the respective guide rollers 57, 73, 95, 103. By doing this, the front opening of the furniture body 1 is opened and closed. In this case, when the left and right hanging doors 32 are moved to both ends of the upper and lower guide rails 8 and 28 on the outside, the front opening of the furniture body 1 is opened and closed. The locking pin 58 of the movable frame 39 in the upper roller unit 37 at the upper part on the moving direction side of the hanging door body 32 is connected to the upper and lower clamping pieces 1 of the upper stopper body 15.
7 and is inserted into the locking recess 18 and locked.

That is, the locking pin 58 is connected to the upper and lower clamping pieces 1.
7, the upper and lower clamping pieces 17 are elastically deformed in the vertical direction by the locking pin 58 to widen the space between the protrusions 19, and the locking pin 58 passes through and the locking pin 58 is inserted into the locking recess 18, and the upper and lower clamping pieces 17 automatically return elastically to narrow the space between the respective protrusions 19. The locking pin 58 is locked in the locking recess 18 by the portion 19 . Further, the upper parts of the left and right hanging door bodies 32 on the moving direction side are locked by the locking pin 58 of the upper roller unit 37 and the upper stopper body 15, and at the same time, the hanging door bodies 32
The guide roller 95 in the lower roller unit 75 on the lower side in the moving direction comes into contact with the lower stopper body 30 and its movement is stopped. Therefore, the left and right inner hanging door bodies 3
2 is held vertically without tilting in the left-right direction.

Furthermore, when the left and right hanging door bodies 32 are moved toward the middle part of the upper and lower guide rails 8 and 28 on the outside, the locking pin 58 of the upper roller unit 37 engages with the locking recess of the upper stopper body 15. The upper and lower clamping pieces 1 from inside 18
7 and disengages, its lock is released and therefore,
The left and right hanging door bodies 32 are smoothly moved toward the middle part.

Next, when the intermediate hanging door body 33 is moved to one end of the inner upper and lower guide rails 8, 28 in the left-right direction, the upper roller unit at the upper part of the hanging door body 33 on the moving direction side Locking edge 70 of movable frame 62 at 60
However, the hanging door body 32 on the inside in the direction in which this hanging door body 33 moved
The movement of the upper roller unit 37 is stopped by contacting the stopper pin 54 in the movable frame 39 of the upper roller unit 37.

[0063] At the same time, the upper part of the hanging door body 33 in the intermediate portion on the moving direction side is locked by the stopper pin 54 of the upper roller units 37, 60 and the locking edge 70, and at the same time, the hanging door body 33 is Lower roller unit 9 on the lower side in the moving direction
A support shaft 102 having a guide roller 103 at 8
However, the hanging door body 32 on the inside in the direction in which this hanging door body 33 moved
The lower roller unit 37 comes into contact with a stopper 96 on the movable frame 77, and its movement is stopped. Therefore, the hanging door body 33 on the outside of the intermediate portion is held vertically without tilting in the left-right direction.

Furthermore, when the intermediate hanging door body 33 is moved toward the middle part of the upper and lower guide rails 8 and 28 on the inner side, the upper roller unit 60 of the intermediate hanging door body 33 is engaged with the movable frame 62. The stop pin 74 is locked in the locking recess 25 of the stopper piece 23 in the center stopper 20 at the middle portion of the upper rail body 6 . That is, when the locking pin 74 comes into contact with the guide portion 24 of the stopper piece 23 and gradually moves toward the locking recess 25, this locking pin 74
The stopper piece 23 is pushed downward and elastically deformed, and when the locking pin 74 is moved to the position of the locking recess 25, the stopper piece 23 is elastically returned to the position where the locking pin 74 and the locking recess 25 are connected. is engaged and locked. Therefore, the hanging door body 33 in the middle part is connected to the locking pin 7 of the upper roller unit 60.
4 and the center stopper 20 prevent excessive movement toward the other end in the left-right direction. As a result, when the left and right inner hanging door bodies 32 are moved to the left and right ends, the space between the left and right hanging door bodies 32 is
The left and right ends of the hanging door body 33 are closed by the hanging door body 33 on the outside of the intermediate portion in a state where they are overlapped with the respective inner ends of the left and right hanging door bodies 32.

Furthermore, when attempting to move the intermediate hanging door body 33 to one side in the left-right direction, the locking pin 74 of the upper roller unit 60 locks the center stopper 20.
The stopper piece 23 is pushed in the direction of movement and is elastically deformed, and the locking pin 74 comes out of the locking recess 25 of the stopper piece 23, and the lock is released. Therefore, the hanging door body 33 in the middle part can be easily moved. is moved to one side.

Next, when each hanging door body 32, 33 moves up and down and lifts up when opening and closing, the respective upper roller units 37, 60
The stopper pins 54 and top plates 64 of the movable frames 39, 62 are locked to the locking surfaces 108 on the bottom of the stopper body 105, and the guide rollers 57, 73 on the top of each are locked on the guide rails 8 on the top of each.
It is prevented from coming off.

[0067]

According to the invention of claim 1, by moving one hanging door body toward the stopper body, the locking pin of the upper roller unit of this one hanging door body locks the stopper body. The movement of one hanging door body can be stopped at the stop position by being locked in the recess, and the movement of one hanging door body can be stopped by moving the other hanging door body towards one hanging door body. The stopper pin of the upper roller unit is engaged with the locking part of the upper roller unit of the other hanging door body, and the stopper of the lower roller unit of one hanging door body is engaged with the lower roller unit of the other hanging door body. Therefore, the left and right hanging door bodies can be reliably stopped at the predetermined opening and closing positions, and the upper and lower parts of the other hanging door body are locked by one hanging door body. Therefore, the other hanging door body does not tilt in the opening/closing direction, and the other hanging door body can be moved and stopped in an orderly manner on the front part of one hanging door body. The hanging door body can be opened and closed safely and easily without the risk of damaging other hanging door bodies or getting your hand caught between the hanging door bodies.

According to the second aspect of the invention, the stopper body can be easily and reliably fixed to the upper rail body by the protrusion.

According to the third aspect of the invention, the guide roller can be easily engaged with the rear guide rail by the abutting portion of the upper rail body.

[Brief explanation of the drawing]

FIG. 1 is a partially omitted vertical cross-sectional view of a door opening/closing device of the present invention.

FIG. 2 is a longitudinal cross-sectional view of the inner hanging door body in a suspended state.

FIG. 3 is an exploded perspective view of an upper roller unit on the upper part of the inner hanging door body.

FIG. 4 is an exploded perspective view of the upper and lower roller units.

FIG. 5 is an exploded perspective view of the upper roller unit at the upper part of the outer hanging door body.

FIG. 6 is an exploded perspective view of the upper and lower roller units.

FIG. 7 is a partially cutaway front view of the inner and outer hanging door bodies partially overlapped.

FIG. 8 is a plan view of the same as above.

FIG. 9 is a top bottom view of the same.

FIG. 10 is a front view of the door opening/closing device.

[Explanation of symbols]

1 Furniture body 8, 28 Guide rail 9 Projection 11 Abutting portion 15, 20 Stopper body 16 Mounting board 18, 25 Locking recess 32, 33 Hanging door body 37, 60 Upper roller unit 54 Stopper pin 58, 74 Locking pin 57, 73, 95, 103 Guide roller 70
Locking part 96 Stopper 102 Locking protrusion

Claims (3)

[Claims] Claim 1: An upper rail body having front and back parallel guide rails arranged and fixed on the upper part of the furniture body and extending in the left-right direction, and an upper rail body having front and rear parallel guide rails arranged and fixed on the lower part of the furniture body and extending in the left-right direction. a lower rail body having a rail;
Left and right hanging door bodies are arranged between the upper and lower rail bodies to open and close the front part of the furniture body, and the left and right hanging door bodies are attached to the upper end of one of the hanging door bodies and move to the guide rail on the front side of the upper rail body. an upper roller unit having a freely engaged guide roller, a locking pin protruding from the side thereof, and a stopper pin protruding from the upper part thereof; and a lower end of the one hanging door body. a lower roller unit having a guide roller attached to the section and movably engaged with the guide rail on the front side of the lower rail body, and having a stopper on the side thereof; an upper roller unit having a guide roller attached and movably engaged with a guide rail on the rear side of the upper rail body, and having a locking part that is locked to the stopper pin;
It has a guide roller attached to the lower end of the other hanging door body and movably engaged with the guide rail on the rear side of the lower rail body, and has a locking protrusion that is locked to the stopper. a lower roller unit; a stopper body having a locking recess that is fixed to a stop position of the one hanging door body in the upper rail body and locks the locking pin;
A door opening/closing device characterized by comprising: [Claim 2] The upper rail body has a protrusion between the front and rear guide rails at the position where the stopper body is fixed, and the mounting board of the stopper body is fitted and fixed to this protrusion. The door opening/closing device described in Item 1. 3. The upper rail body has an abutment portion formed rearwardly above the rear guide rail for guiding the engagement of the guide roller with the rear guide rail. Door opening/closing device.