JPH04213681A - Door opening/closing device - Google Patents

Abstract

PURPOSE:To prevent guide rollers from running off their rails when suspended door bodies are opened/closed by providing the door bodies in their suspending condition suitable to open and close smoothly. CONSTITUTION:Upper roller units 37, 60 are fixed to the upper end of suspended door bodies 32, 33. The upper roller units 37, 60 are composed of fixed based bodies 38, 61 and movable frames 39, 62 including guide rollers 57, 73. The movable frames 39, 62 are adjusted in their vertical movement against the fixed base bodies 38, 61 by means of bolts 40, 63. A supporting body 13 is provided above the upper roller units 37, 60. A stopper body 105 is fitted to the supporting body 13. A locking surface 108 is formed in an interval smaller than the height of guide rails 8, 8 between the bottom surface portion of the stopper body 105 and the upper parts of the upper roller units 37, 60.

Description

[Detailed description of the invention]

[Object 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, a guide rail arranged and fixed at each of the upper and lower parts of the furniture body, and the upper guide rail is provided at the upper part of the hanging door body. At the same time, a guide roller provided at the bottom of the hanging door body is engaged with the lower guide rail, and the hanging door body is moved along the upper and lower guide rails via the upper and lower guide rollers. The structure is such that it can be opened and closed freely.

0004

[Problems to be Solved by the Invention] In the above structure, the guide roller provided at the upper part of the hanging door cannot be adjusted vertically with respect to the hanging door, so If there is an installation error in the matched guide rollers or if the top plate of the furniture body is distorted, the hanging door may not be hung properly or vertically. Therefore, in such a case, the hanging door body is not in good shape and cannot be opened and closed smoothly, and when the hanging door body is closed, the opening There is a problem in that this may occur and it is not possible to block it in an orderly manner.

[0005] In addition, in such a case, if you try to directly adjust the upper guide roller itself, if the gap between the top plate of the furniture body and the ceiling of the building above this top plate is narrow, the adjustment will be difficult. Another problem is that the work is difficult and time-consuming.

Furthermore, in the above structure, it is not possible to support the guide roller at the upper part of the hanging door body from above while the upper guide roller is engaged with the upper guide rail. If the door is moved up and down, the guide roller at the top of the door may come off the upper guide rail, making it impossible to open and close the door constantly and smoothly. There's a problem.

[0007]The present invention has been made in view of the above problems, and it is an object of the present invention to easily adjust the vertical movement of a hanging door body in a state in which a guide roller is engaged with an upper guide rail by rotating a bolt. As a result, the hanging door body can be easily set in an appropriate state, and the hanging door body can be opened and closed smoothly without being affected by installation errors or distortion of the top plate. Another object of the present invention is to provide a door opening/closing device capable of orderly closing a hanging door body without creating a gap when closing the door body.

Further, according to the present invention, the stopper body prevents the upper guide roller of the hanging door from coming off from the upper guide rail, thereby allowing the hanging door to open and close constantly and smoothly. The purpose of this invention is to provide a door opening/closing device.

[0009] [Structure of the invention]

0010

[Means for Solving the Problem] The door opening/closing device of the invention according to claim 1 includes an upper rail body having a guide rail arranged and fixed on the upper part of the furniture body and extending in the left and right direction, and a front part of the furniture body. The upper roller unit includes a hanging door body that opens and closes, and an upper roller unit having a guide roller attached to the upper end of the hanging door body and movably engaged with a guide rail of the upper rail body. The movable frame includes a fixed base fixed to the upper end of the hanging door, a movable frame that is engaged and supported by the fixed base so as to be movable up and down and rotatably supports the guide roller, and the movable frame. A bolt is provided that connects and supports the fixed base body and adjusts the vertical movement of the hanging door body while the guide roller is engaged with the guide rail.

[0011] The door opening/closing device of the invention according to claim 2 is provided in claim 1.
In the above device, the upper rail body includes a center stopper having a locking recess in the intermediate portion, and the upper roller unit has a locking pin on the movable frame that is removably locked in the locking recess of the center stopper. This is what we have in place.

[0012] The door opening/closing device according to the third aspect of the present invention includes an upper rail body having a guide rail arranged and fixed on the upper part of the furniture body and extending in the left-right direction, and a hanging door body for opening and closing the front part of the furniture body. and an upper roller unit having a guide roller attached to the upper end of the hanging door body and movably engaged with the guide rail of the upper rail body, the upper rail body having the upper roller unit. A support body extending above the unit is formed, and the support body has a stopper body having a locking surface on a lower surface thereof with a spacing smaller than the height of the guide rail between the support body and the upper part of the upper roller unit. This is the one with the .

[0013] The door opening/closing device of the invention according to claim 4 is
In this device, the upper rail body has a guide support plate protruding from the rear upper part of the guide rail for guiding the engagement of the guide roller with the guide rail, and a support body is formed horizontally at the upper end of the guide support plate. This is what I did.

[0014] The door opening/closing device of the invention according to claim 5 is provided in claim 3.
In the device described above, the stopper body is provided with a covering body on the front portion to cover the front side portion of the upper roller unit.

[0015]

[Operation] In the door opening/closing device of the invention as claimed in claim 1, the guide roller of the upper roller unit at the upper end of the hanging door body is engaged with the guide rail of the upper rail body, so that the hanging door body can be movably suspended on the guide rail. hold By rotating the bolt in the upper roller unit as necessary, the fixed base body is moved up and down with respect to the movable frame suspended on the guide rail via the guide roller at the upper end. The hanging door body to which the fixed base body is fixed is moved up and down, and the hanging door body is easily adjusted and set to an appropriate state. In this case, if the space between the upper guide rail and the ceiling is narrow, the bolt can be rotated from the side.
The adjustment work can be easily performed. As a result, the hanging door body can be easily set in a proper state, opened and closed smoothly, and when closed, the front part of the furniture body is neatly closed without creating a gap.

In the door opening/closing device of the second aspect of the invention, when the hanging door body is moved along the upper guide rail, the locking pin of the movable frame of the upper roller unit is automatically inserted into the locking recess of the center stopper. It is locked. This locks the movement of the hanging door body, prevents the hanging door body from inadvertently moving toward the end of the guide rail, and
Overburn can be prevented.

In the door opening/closing device according to the third aspect of the invention, the guide roller of the upper roller unit at the upper end of the hanging door body is engaged with the guide rail of the upper rail body, so that the hanging door body is movably suspended on the guide rail. hold The hanging door body is then moved along the guide rail via guide rollers to open and close the front part of the furniture body, but at this time, if the hanging door body is moved up and down, the stopper body The upper part of the upper roller unit of the hanging door body is prevented from moving up and down significantly by the locking surface, and therefore the guide roller of this upper roller unit is prevented from coming off the guide rail and coming off the rail.

In the door opening/closing device according to the fourth aspect of the invention, the guide roller can be easily engaged with the guide rail by the guide support plate.

In the door opening/closing device according to the fifth aspect of the present invention, the covering prevents the upper roller unit from being exposed to the front surface, thereby improving the appearance.

[0020]

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 support plate 10 as a shaped guide support plate is integrally protruded,
This support plate 10 includes a substantially vertical plate portion 12 having an abutting portion 11 formed at the bottom thereof, a horizontal plate portion 13 as a support continuing from the upper end of this vertical plate portion 12, and this horizontal plate portion. It is formed with a supporting 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 fitted and fixed to the protrusion 9 through a fitting recess formed in the lower part.
Clamping pieces 17 are integrally provided upwardly and downwardly protruding upwardly from the outer ends of the clamping pieces 17, and a substantially cylindrical locking recess 18 is continuously formed between the outer ends of the upper and lower clamping pieces 17. This locking recess 1
Protrusions 19 are formed at the upper and lower parts of the inner opening of 8 so as to face each other.

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.

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 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 and a metal movable frame 39 that are attached to the upper mounting recess 35, 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 that are connected in parallel to each other at the lower portions 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 has its outer plate 51 inserted between the guide pieces 42 of the fixed base body 38, and the left and right guide protrusions 55 of this outer plate 51 inserted into the left and right guide grooves 43. Insert the movable frame 3 so that it can move up and down.
The bolt 40 is inserted from the insertion hole 53 of the top plate 50 of the fixed base body 38 into the insertion hole 46 of the upper support piece 44 of the fixed base body 38, and the threaded shaft portion 40a of this bolt 40 is inserted into the screw hole 47 of the lower support piece 45. It is screwed on 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.

[0033] Next, the hanging door body 3 disposed in the intermediate part
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 portion 70 that is locked to the stopper pin 54 is formed therein. Further, left and right guide grooves 43 of the fixed base body 61 are provided at both left and right ends of the outer plate 65.
A guide protrusion 71 is integrally inserted into the guide plate 71 so as to be vertically movable.

Furthermore, at the intermediate outer portion of the inner plate 66,
A support shaft 72 is integrally provided to protrude horizontally, and a guide roller 73 is movably engaged with the guide rail 8 inside the upper rail body 6 and suspended by the guide rail 8. is rotatably mounted on an axis, and the stopper piece 2 of the center stopper 20 is mounted on the outer side of one end of the inner plate 66.
A locking pin 74 that is removably locked in the guide portion 24 and the locking recess 25 of No. 3 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 this outer plate 65 inserted into the left and right guide grooves 43. Insert the movable frame 6 so that it can move up and down.
The bolt 63 is inserted through the insertion hole 69 of the accommodation recess 67 in the upper surface plate 64 of the fixed base body 61 into the insertion hole 46 of the upper support piece 44 of the fixed base body 61, and the threaded shaft portion 63a of this bolt 63 is inserted into the insertion hole 46 of the upper support piece 45 of the lower support piece 45. It is screwed into the screw hole 47 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. Further, a cover body 59 is superimposed on the inner side of the mounting board 41 on the fixed base body 61 of the upper roller unit 60, and this cover body 59 is attached to the inside of the mounting board 41.
are fastened together with the mounting board 41 to the hanging door body 33 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.

Next, in the left and right hanging door bodies 32 disposed in the left and right parts, the left and right lower mounting recesses 36 are respectively 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. The mounting board 79 is mounted with the guide piece 80 and support pieces 82, 83 housed in the lower mounting recess 36.
The left and right ends of 9 are brought into contact with the opening edges of the lower mounting recess 36, and the screws 86 are screwed into the hanging door body 32 through the respective mounting holes 85 at both left and right ends, so that the mounting board 41 is integrally fixed to the hanging door body 32. has been done.

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 allows the left and right guide protrusions 92 of the vertical plate portion 87 to move vertically into the guide grooves 81 of the left and right guide pieces 80. , and the upper and lower ends of the pair of compression springs 78 are locked between the locking pieces 84 and 93 that are vertically opposed to each other on the left and right sides.

As a result, the movable frame 77 having the guide roller 95 on the fixed base body 76 is connected to the pair of compression springs 7.
8, the lower roller unit 75 is configured to be vertically movable. In addition, a cover body 97 is superimposed on the inner side of the mounting board 79 on the fixed base body 76 of the lower roller unit 75, and the cover body 97 is attached by screws 86 on the left and right and top and bottom that screw the mounting board 79 into the hanging door body 32. It is fastened together with the board 79 to the hanging door body 32. As a result, the inner side surface of the mounting board 79 is covered and the appearance is improved.

[0046] 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.

[0048] 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 that is engaged with a stopper 96 is vertically provided, and a guide roller 103 that is movably engaged with the guide rail 28 inside the lower rail body 26 is rotatably mounted on this support shaft 102. It is mounted on a shaft.

The movable frame 100 is disposed 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 portion 87 are inserted into the guide grooves 81 of the left and right guide pieces 80. The upper and lower ends of the pair of compression springs 101 are inserted between vertically opposing locking pieces 84 and 93 on the left and right sides. As a result, a movable frame 100 having a guide roller 103 is connected to the fixed base body 99 via a pair of compression springs 101 so as to be vertically movable, and a lower roller unit 98 is formed. In addition, a cover body 97 is superimposed on the inner side of the mounting board 79 in the lower roller unit 98, and the cover body 97 is attached to the hanging door together with the mounting board 79 by screws 86 on the left and right and top and bottom that screw the mounting board 79 into the hanging door body 33. body 33
Tighten together. 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 106 at the rear end into which the horizontal plate part 13 is inserted, and an engagement surface 107 that comes into contact with the lower wall surface A of the ceiling is formed on the upper surface thereof. A locking surface 1 for locking the stopper pin 54 and the top plate 64 of the upper roller units 37, 60 is provided on the lower surface.
08 is formed, and a locking portion inserted between the horizontal plate portion 13 and the support piece 14 is formed at the lower rear end. And the stopper body 105 is the horizontal plate part 1
It is supported by 3. Therefore, this locking surface 108
The distance between the stopper pin 54 and the top plate 64 is
They are formed at intervals smaller than the height of the two guide rails 8 of the upper rail body 6. And each hanging door body 32,
33 is lifted upward, each stopper pin 54 and top plate 64 are locked by the locking surface 108 of the stopper body 105, and the respective guide rollers 57,
73 can be prevented from coming off the respective guide rails 8, 8 and coming off the track. Further, a decorative body 109 is attached to the front side 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.

[0053] 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 screw 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 left and right lower ends of each is suspended. 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.
This 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 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 installed 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.

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 body 1 or installation error of the guide roller 73. 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. Then, 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 this support piece 83, and the movable frame 100
The temporary lock is released, and the movable frame 100 is pushed up by the restoring force of the left and right compression springs 101.
The guide roller 103 of this movable frame 100 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.

[0064] The large inclined plate portion 88 and horizontal plate portion 89 of the movable frame 100 of the lower roller unit 98 of the hanging door body 33 in the intermediate portion 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, when the locking pin 58 is inserted between the upper and lower clamping pieces 17, the upper and lower clamping pieces 17 are each elastically deformed in the vertical direction by the locking pin 58, and the space between the protrusions 19 is expanded. The locking pin 58 passes between the protrusions 19 and is inserted into the locking recess 18, and the upper and lower clamping pieces 17 automatically elastically return to their respective protrusions 19. The gap narrows, and the locking pin 58 is locked in the locking recess 18 by the upper and lower protrusions 19. Also, the upper part of the left and right hanging door bodies 32 in the moving direction is the upper roller unit 3.
7 and the upper stopper body 15, the guide roller 95 in the lower roller unit 75 at the lower part in the moving direction of the hanging door body 32 comes into contact with the lower stopper body 30, preventing its movement. is locked. Therefore, the left and right inner hanging door bodies 32 are 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.

[0068] At the same time, the upper part of the hanging door body 33 in the intermediate part 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 locked. 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.

Next, in the above embodiment, each hanging door body 32,
Each upper roller unit 37, 60 attached to the upper part of 33
The fixed base bodies 38 and 61 that support the respective movable frames 39 and 62 are made of metal, and the mounting board 4 of the fixed base bodies 38 and 61 is
1 is provided with a cover body 5 that covers the mounting board 41.
Although we have explained the case of installing 9, it is not limited to this.
The fixed base body 110 is a first base body 11 made of metal.
1 and a second base body 112 made of synthetic resin.

That is, this fixed base body 110 is
As shown in FIGS. 11 to 13, the metal first base body 111 has a substrate 113 extending in the left-right direction and disposed within the upper mounting recess 35 of the hanging door bodies 32, 33, A cutout recess 114 is formed in the middle of the substrate 113 and is open at the top, and a locking piece 116 having an insertion hole 115 is bent horizontally inward at the bottom of the cutout recess 114. ing. In addition, the substrate 113
Engagement pieces 117 are formed horizontally bent inward at the upper ends of the left and right sides. Furthermore, the substrate 113
There are upright pieces 118 that protrude inward at both left and right ends of the
Attachment pieces 119 are integrally formed vertically to be attached to the opening edge of the upper attachment recess 35 via the upper attachment recess 35, and a plurality of attachment holes 120 are formed in the vertical direction of the left and right attachment pieces 119.

[0074] Furthermore, the second base body 1 made of synthetic resin
12 has a substrate 121 extending in the left-right direction, and a substantially rectangular supporting frame 122 is integrally formed at the middle upper part of the outer side of this substrate 121 , and a horizontal upper frame 123 of this supporting frame 122 . An arcuate guide recess 124 is provided in the middle of the
A guide hole 126 is formed in the middle of the horizontal lower frame 125 of the support frame 122, and a horizontally long rectangular insertion frame 127 is integrated into the upper part of the support frame 122. This insertion frame 127
is vertically movably inserted into a horizontally long rectangular guide hole 128 formed in the outer plates 51, 65 of the movable frames 39, 62, and the guide hole 128 is vertically movable in the middle of the insertion frame 127. Recess 124 and guide port 126
An insertion hole 129 for inserting the bolt 63 is formed through the hole 129 to communicate with the bolt 63.

Further, at the middle lower part of the outer side of the substrate 121, there is a nut 1 into which the threaded shaft portion 63a of the bolt 63 is screwed.
A holding frame 131 that holds the support frame 130 in a non-rotating state is integrally formed. The locking piece 1 that locks the upper surface of the nut 130 is provided between the lower end of the frame 125 and the lower end of the frame 125.
An insertion space 133 for inserting the nut 130 is formed, and a support edge 134 for supporting the lower surface of the nut 130 is integrally formed at the lower ends of the left and right holding pieces 132. Furthermore, bosses 136 having vertical guide surfaces 135 on their outer surfaces are provided on the left and right sides of the outer side of the substrate 121 and project in parallel to the left and right in the vertical direction, and the upper ends of the left and right bosses 136 are provided with the first base Engagement protrusions 137 that engage the left and right engagement pieces 117 of the body 111 are integrally provided to protrude outward, and the lower ends of the left and right bosses 136 are provided with the base plate 113 of the first base body 111 . Engagement protrusions 138 that engage the left and right portions of the lower end are integrally provided to protrude outward. Furthermore, each mounting hole 120 of the first base body 111 is provided at both left and right ends of the substrate 121 in the up and down direction.
A plurality of mounting holes 139 are formed that communicate with the.

Further, the left and right upper ends of the outer side of the substrate 121, that is, the support frame 122 and the left and right bosses 1
A locking protrusion 140 is integrally formed on the left and right upper end portions between 36 and 36 to protrude outward.

[0077] In the structure thus constructed, the first
The fixed base body 110 is constructed by superimposing and locking the second base body 112 on the base body 111 from opposite directions, but at this time, the left and right engaging pieces 117 of the first base body 111 are inserted and locked into the guide surface 135 from the lower surface of the left and right engaging protrusions 137 of the second base body 112 , and the substrate 11 of the first base body 111
The tips of the left and right engaging protrusions 138 of the second base body 112 are engaged with the left and right lower portions of the first base body 1
The locking piece 116 of the second base body 112 is inserted and locked into the insertion space 133 of the second base body 112, and the second base body 1 is attached to the left and right mounting pieces 119 of the first base body 111.
Both left and right ends of the substrate 121 of the first base body 111 are overlapped, and in this state, screws 141 are inserted from the bottom of both left and right ends of the substrate 113 of the first base body 111 into the left and right engagement protrusions 138 of the second base body 112. The fixed base body 110 is constructed by tightening the screws.

[0078] As a result, the second base body 11
Nut 1 inserted in advance into the holding frame 131 of 2
30 is prevented from rotating by the left and right holding pieces 132 , and prevented from being removed in the vertical direction by the left and right supporting edges 134 and the locking pieces 116 , and also by the left and right holding pieces 132 of the first base body 111 . the engagement piece 117 and the left and right bosses 1 of the second base body 112 opposite thereto
The guide surface 135 at 36 and the left and right engaging protrusions 138
As a result, a long guide groove 142 into which the guide protrusion 71 of the movable frame 62 is vertically movably inserted is formed.

Next, the fixed base body 110 is inserted into the first base body 1 in the upper mounting recess 35 of the hanging door bodies 32, 33.
11 side, and this first base body 1
The left and right mounting pieces 119 of No. 11 are engaged with the opening edges of the upper mounting recess 35 . Next, the second base body 112
The fixed base body 110 is fixed by screwing the screws 143 into the opening edges of the upper mounting recess 35 through the mounting holes 139 at both left and right ends of the substrate 121 and the mounting holes 120 communicating therewith.
are fixed to the hanging door bodies 32 and 33. And nut 130
By rotating the bolt 63 relative to
At the same time, the guide hole 128 is moved up and down with respect to the insertion frame 127, and the guide roller 73 is adjusted up and down.

Next, in the above embodiment, the stopper body 1
05 describes the case where the stopper body 105 is inserted and locked to the horizontal plate portion 13 of the upper rail body 6, but the stopper body 105 is not limited to this, and the stopper body 105 may be fixed to the horizontal plate portion 13 with bolts 150. In this case, the stopper body 105
As shown in FIG. 14, an insertion groove 106 is formed whose rear end is open from approximately the middle part to the rear end, and the stopper body 105 is engaged with the lower surface of the horizontal plate part 13 from the lower part of the rear end rearward. An engaging plate 151 is provided protrudingly, and this engaging plate 15
1 is formed with an insertion part 152 to be inserted between the horizontal plate part 13 and the support piece 14, and a series of locking surfaces 108 are formed by the lower surface of the engagement plate 151 and the lower surface of the stopper body 105. It is formed.

[0081] This stopper body 105 is inserted deeply into the horizontal plate part 13 from the front through the insertion groove 106 to the rear, so that the engagement plate 151
The upper surface portion is engaged with the lower surface of the horizontal plate portion 13, and
An insertion portion 152 at the rear end is inserted and locked between the horizontal plate portion 13 and the support piece 14. Further, a bolt 1 is attached to the ceiling from the locking surface 108 of the stopper body 105 through the horizontal plate part 13.
50 and screw it in place. Thereby, the stopper body 105 is fixed together. Further, since a portion corresponding to the engagement plate 151 is not formed at the upper rear end of the stopper body 105, materials can be saved.

Further, as shown in FIG. 14, a covering member 153 which also serves as a decorative member for covering the front side portions of the upper roller units 37 and 60 is fixed to the front end of the stopper body 105. This covering body 153 is similar to the stopper body 105.
extends vertically with a width greater than the height of the front end of the
At this lower part 154, the upper roller units 37, 6
The front side of 0 is covered so that it is not exposed.

Furthermore, as shown in FIG. 14, the horizontal plate portion 13
Although the support plate 10 having the abutment part 11 is formed protruding forward at the lower part thereof has been described, the support plate 10 is not limited to this, and the support plate 10 may be formed with a slight inclination toward the rear and upper side. It's okay.

Further, in the embodiment described above, the case where the upper stopper body 15 is formed with the locking recess 18 by the upper and lower clamping pieces 17, 17 has been described, but the upper stopper body 15 is not limited to this. As shown in FIG.
A locking recess 18 may be formed by the upper clamping piece 17 and the upper clamping piece 17 . Since the lower clamping piece 17 is not required, material can be saved.

[0085]

According to the invention as claimed in claim 1, the vertical movement of the hanging door body can be easily adjusted with the guide roller engaged with the upper guide rail by rotating the bolt. can be easily set to the appropriate state, and this hanging door body can be opened and closed smoothly without being affected by installation errors or distortions of the top plate, and a gap is created when the hanging door body is closed. It can be closed in an orderly manner without any problems.

According to the second aspect of the invention, the hanging door body can be reliably locked to the intermediate portion of the guide rail by the center stopper and the locking pin of the upper roller unit.
It is possible to reliably prevent the hanging door body from inadvertently moving toward the end of the guide rail, and it is also possible to prevent the hanging door body from overrunning when opening and closing the hanging door body.

According to the third aspect of the invention, the locking action of the locking surface of the stopper body on the upper part of the upper roller unit can reliably prevent the guide roller of the upper roller unit from coming off the guide rail. At the same time, the hanging door body can be constantly and smoothly opened and closed.

According to the fourth aspect of the invention, the guide roller can be easily engaged and set with respect to the guide rail by the guiding action of the guide support plate.

According to the fifth aspect of the invention, the front side portion of the upper roller unit can be reliably covered with the covering body, and the upper roller unit can be prevented from being exposed on the front side portion, thereby improving the appearance.

[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.

FIG. 11 is a front view showing another embodiment of the upper roller unit.

FIG. 12 is a sectional view taken along line a-a of the same.

FIG. 13 is an exploded perspective view of the same as above.

FIG. 14 is a sectional view showing another example of a stopper body provided with a covering body.

FIG. 15 is a perspective view showing another embodiment of the upper stopper body.

[Explanation of symbols]

1 Furniture body 6 Upper rail body 8 Guide rail 10 Guide support plate 13 Support body 20 Center stopper 25 Locking recess 32, 33 Hanging door body 37, 60 Upper roller unit 38, 61
Fixed base body 39, 62 Movable frame 40, 63 Bolt 57, 73, 95, 103 Guide roller 74
Locking pin 105 Stopper body 108 Locking surface 153 Covering body

Claims (5)

[Claims] 1. An upper rail body having a guide rail arranged and fixed on the upper part of the furniture body and extending in the left-right direction, a hanging door body for opening and closing the front part of the furniture body, and an upper end of the hanging door body. an upper roller unit having a guide roller attached to the upper end portion and movably engaged with the guide rail of the upper rail body, the upper roller unit having a fixed roller fixed to the upper end of the hanging door body. a base body, a movable frame that is engaged and supported by the fixed base body so as to be movable up and down and rotatably supports the guide roller; A door opening/closing device characterized by comprising a bolt that adjusts the vertical movement of a hanging door body while engaged with a guide rail. 2. The upper rail body includes a center stopper having a locking recess in the intermediate portion, and the upper roller unit has a locking pin that is removably locked in the locking recess of the center stopper on the movable frame. The door opening/closing device according to claim 1, further comprising: 3. An upper rail body having a guide rail arranged and fixed on the upper part of the furniture body and extending in the left-right direction, a hanging door body for opening and closing a front part of the furniture body, and an upper end of the hanging door body. an upper roller unit having a guide roller attached to and movably engaged with a guide rail of the upper rail body, the upper rail body having a support extending above the upper roller unit. , and a stopper body is attached to the support body, the stopper body having a locking surface having an interval smaller than the height of the guide rail between the support body and the upper part of the upper roller unit. Switchgear. 4. The upper rail body has a guide support plate protruding from the rear upper part of the guide rail for guiding the engagement of the guide roller with the guide rail, and a support body is horizontally attached to the upper end of the guide support plate. 4. The door opening/closing device according to claim 3, further comprising a door opening/closing device. 5. The door opening/closing device according to claim 3, wherein the stopper body has a covering body provided at the front portion thereof to cover the front side portion of the upper roller unit.