JPH09279934A - Door opening/closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily adjust doors to be built perpendicular to the moving direction of the door, to be properly spaced each other without excessively approaching or opening and to be moved upward and downward. SOLUTION: A door opening/closing device consists of a guide rail, a door and a runner 12 arranged at the end of the door 7 and provided with a guide 11 engaged with the guide rail in a movable manner. The runner 12 has a case 13 fixed to the end of the door, a guide plate 35 provided in the case 13 with the guide 11 at the upper end and an association strip 41 at the lower end, a plate adjuster provided in the case 13 in a movable manner to associate the association strip 41 of the guide plate 35 therewith for adjusting the guide plate 35 perpendicular to the moving direction of the door and a forward and backward adjusting bolt 37 provided in the case 13 in a turnably movable manner to move the plate adjuster. The case 13 has an upward and downward adjuster 64 and an upward and downward adjusting bolt 65.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening / closing device,
For example, it relates to a support such as a sliding door, a folding door, and a partition that can be opened and closed.

[0002]

2. Description of the Related Art Conventionally, as a door opening / closing device of this type, for example, guide rails are arranged and fixed in parallel to each other, facing upper and lower top and bottom plates of furniture or the like, and between the upper and lower guide rails. Runners each having a guide roller movably engaged with the upper and lower guide rails are attached to the upper and lower ends of a door body that is openably and closably attached, and an upper runner in which the guide rollers are engaged with the upper guide rail The body has a base cup embedded and fixed in the upper end portion of the door body, a roller support is fitted and fixed to the base cup, and the roller support is engaged with the upper guide rail. A roller strut on which a guide roller is rotatably mounted is attached so that it can move up and down, and the roller strut is positioned at the upper end of the roller support and the height of the roller strut is adjusted in the vertical direction. There is a rotatably screwed with the structure of the nut.

[0003]

In the above-mentioned conventional configuration,
If the upper and lower joints of the door body are not aligned after the door body is mounted between the upper and lower guide rails via the runner body, the adjustment nut is turned to adjust the roller support to move up and down. You can match the joints above and below,
At this time, the adjustment nut has to be rotated in a narrow space between the upper guide rail and the upper end of the door body, and it is not easy to adjust the adjustment nut at that operation position.
Also, depending on how the doors are built, the doors may come too close to each other to interfere with each other when the doors are opened or closed, and the doors may not be opened or closed smoothly. There is a problem that there may be an excessive gap between the two.

The present invention has been made in view of such a point, and when the door bodies are too close to each other and the door bodies are too open, the door bodies can be easily adapted to each other. It is an object of the present invention to provide a door opening / closing device that can be adjusted to the interval and that can easily adjust the vertical movement of the door body such as matching the joints on the upper and lower sides of the door body.

[0005]

A door opening / closing device according to a first aspect of the present invention is a runner having a guide rail, a door body, and a guide provided at an end of the door body and movably engaged with the guide rail. It has a body. The runner body is movable to the case body, a case body fixed to an end portion of the door body, a guide plate provided on the case body having the guide at an upper end portion and an interlocking piece at a lower end portion, and the case body. A plate adjusting body that adjusts the guide plate in a direction orthogonal to the moving direction of the door body by interlocking an interlocking piece of the guide plate, and a plate adjusting body that is rotatably provided on the case body. And an adjusting bolt for back and forth adjustment for moving operation.

Then, by rotating the adjusting bolt to perform an adjusting operation, the plate adjusting body interlocked with the adjusting bolt moves and adjusts the guide plate in a direction orthogonal to the moving direction of the door body through the interlocking piece. Then, the door body is adjusted in the front-rear direction of the direction orthogonal to the moving direction with the guide of the guide plate as the center.

Therefore, the door bodies can be easily and easily adjusted to an appropriate interval without the door bodies coming too close to each other or the door bodies opening too much unnecessarily. And
When the door bodies are opened and closed, the door bodies are smoothly opened and closed without mutual interference of the door bodies, and when the door bodies are closed, the door bodies are closed without a gap between them.

A door opening / closing device according to a second aspect is the door opening / closing device according to the first aspect, wherein the plate adjusting body is formed to be inclined at a predetermined inclination angle with respect to the moving direction of the door body. It has a guide groove that slidably engages one piece and a screw hole that rotatably screws an adjustment bolt.The adjustment bolt for front-rear adjustment has an operation portion exposed at the end of the case body. The case body is arranged along the moving direction of the door body.

By rotating the adjusting bolt to perform an adjusting operation, the plate adjusting body is moved by the adjusting bolt in the moving direction of the door body. At this time, the guide groove, which is formed in the plate adjustment body and is inclined at a predetermined inclination angle with respect to the moving direction of the door body, is slidably moved on the interlocking piece of the guide plate, so that the guide groove interlocks. The piece is interlocked with the inclination direction of the guide groove, and the guide plate having the interlocking piece is adjusted in the front-rear direction of the direction orthogonal to the moving direction of the door body.

The adjusting bolt is arranged along the moving direction of the door body, and the operating portion of the adjusting bolt is exposed at the end of the case body. When adjusting, this adjusting bolt is easily adjusted and operated.

According to another aspect of the present invention, there is provided a door opening / closing device including a guide rail, a door body, and a runner body provided at an end of the door body and having a guide movably engaged with the guide rail. The runner body has a case body fixed to an end of the door body, a guide provided at an upper end of the case body, and an interlocking pin at a predetermined position in a direction orthogonal to a moving direction of the door body. A guide plate that is provided, an up-down adjustment body that is rotatably supported by the case body, and adjusts the guide plate in the up-down direction by interlocking with interlocking pins of the guide plate, and is rotatably provided on the case body. And an adjusting bolt for adjusting the up and down for rotating the up and down adjuster.

By rotating the adjusting bolt to perform an adjusting operation, the guide plate is rotated and adjusted in the vertical direction via the interlocking pin by the vertical adjusting body interlocked with the adjusting bolt. The guide is easily adjusted up and down. Therefore, the height position of the door body can be easily adjusted by rotating the adjustment bolt and performing an adjustment operation as necessary, such as when the upper and lower joints of the door body are not aligned.

A door opening and closing device according to a fourth aspect is the door opening and closing device according to the third aspect, wherein the up-down adjustment body has an up-down adjustment plate and an up-down adjustment block, and the up-down adjustment plate has an upper end portion thereof. The up-down adjustment block has an insertion hole formed in the guide plate and through which the interlocking pin of the guide plate is inserted, and an engagement piece formed at the lower end of the guide plate and inclined downward from one side to the other side in the moving direction of the door body. , An adjusting engagement surface which is formed at the lower end portion thereof and is inclined downward from one side in the moving direction of the door body to the other side, and which engages with the engaging piece of the vertical adjustment plate, and an adjustment bolt for vertical adjustment. An adjusting bolt for vertically adjusting has a screw hole rotatably screwed, and an operating portion exposed at an end portion of the case body, and is arranged on the case body along a moving direction of the door body. It was done.

By rotating the adjusting bolt to perform an adjusting operation, the adjusting bolt moves the upper and lower adjusting blocks in the moving direction of the door body and engages with the slanting adjusting engagement surface. The upper and lower adjustment plates are rotated in the up and down direction around the support shaft by the piece. Further, when the vertical adjustment plate is rotated, the guide plate is vertically moved by the vertical adjustment plate via the interlocking pin, and the guide of the guide plate is easily vertically adjusted.

A door opening / closing device according to a fifth aspect is the door opening / closing device according to the third aspect, wherein the runner body is movably provided on the case body, and the guide plate is interlocked with the guide plate to move the guide plate in the moving direction of the door body. A plate adjusting body that adjusts in a direction orthogonal to the direction, and an adjustment bolt that is rotatably provided on the case body and that moves and operates the plate adjusting body.

By rotating the adjusting bolt to perform an adjusting operation, the plate adjusting body interlocked with the adjusting bolt moves and adjusts the guide plate in a direction orthogonal to the moving direction of the door body. The door body is adjusted in the front-rear direction of the direction orthogonal to the moving direction around the guide of. Therefore, in the case where the height position of the door body is easily adjusted, the door bodies can be easily and easily arranged at appropriate intervals without the door bodies coming too close to each other or the door bodies opening too much unnecessarily. Adjusted.

[0017]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 denotes an elongated upper guide rail fixed along the top plate or ceiling of furniture or the like. The guide rail 1 includes a horizontal portion 2 fixed along the top plate or ceiling, The vertical portion 3 integrally projects downward from one end of the horizontal portion 2 in the width direction, and the vertical portion 3 is curved from the lower end of the vertical portion 3 toward the horizontal portion 2. An arc-shaped roller engaging portion 4 and the roller engaging portion 4
A roller insertion opening 6 is opened between the upward free end portion 5 and the horizontal portion 2.

Reference numeral 7 denotes a door body such as a sliding door or a folding door which is suspended along the guide rail 1 so as to be openable and closable. The door body 7 is a door contact of the door body 7 at upper end corners at both ends in the width direction. Each of the recesses 10 has a rectangular recess 10 that is open to the end 8 and an upper end 9 that is continuous with the door contact end 8.
A runner body 12 having a guide roller 11 as a guide engaged with the roller engaging portion 4 of the guide rail 1 is embedded and fixed therein.

The runner body 12 has a case body 13 embedded in the embedded recess 10, and the case body 13 is a base portion in the width direction of the door body 7 supported by the bottom of the embedded recess 10. 14
And an outer side wall 15 in the up-down direction which is continuous with one end of the base portion 14 and is continuous with the door-contact end portion 8 of the door body 7, and the base portion 14
The inner wall 16 in the up-down direction that is in contact with the back wall of the embedded recess 10 integrally with the other end of the embedded recess 10, and one end in the width direction of the base portion 14 and one end of the outer wall 15 and the inner wall 16. And a side plate 17 in the up-down direction, and is formed in a rectangular shape from synthetic resin.

Further, the base portion 14, the outer side wall 15, the inner side wall 16
The side wall 17 and the side wall 17 form a housing recess 18 having an open front side and an upper surface, and the base portion is provided on the front side facing the side plate 17.
A mounting step portion 19 is formed continuously with the other end portion in the width direction of 14 and the outer side wall 15 and the inner side wall 16, and a lid plate (not shown) for closing the accommodating recess 18 is attached to and detached from the mounting step portion 19. It can be attached freely.

Further, bolt insertion holes 20 are formed through the upper portions of the outer side wall 15 and the inner side wall 16 so as to face each other, and an opening edge portion of the bolt insertion hole 20 is enlarged in the outer side wall 15. The expanded recess 21 is formed, and the inner wall 16 is formed with an expanded recess 22 in which the opening edge of the bolt insertion hole 20 is expanded.

Further, bolt insertion holes 23 are formed so as to be opposed to each other at lower portions of the outer wall 15 and the inner wall 16, and an opening edge portion of the bolt insertion hole 23 is enlarged in the outer wall 15. The expanded recess 24 is formed, and the inner wall 16 is formed with an expanded recess 25 in which the opening edge of the bolt insertion hole 23 is expanded.

A supporting projection 27 having an insertion groove 26 formed between the receiving recess 18 and the inner surface of the outer wall 15 is integrally formed on the base portion 14 so as to project above the supporting projection 27. A through hole 28 communicating with the lower bolt insertion hole 23 is formed therethrough. A mounting hole 29 is formed so as to penetrate through the central portion of the base portion 14.

Further, a flange 30 that abuts on the upper end of the door 7 is integrally and horizontally projected inward at the upper end of the inner wall 16, and a mounting hole 31 is formed in the flange 30. Has been formed. Further, a tongue piece 32 is integrally and horizontally provided on the outer end of the flange 30 toward the inside of the accommodation recess 18. A bearing hole 33 in the front-rear direction is formed through the upper end of the inner wall 16 below the tongue 32.

Next, the case body 13 is provided with front-back adjusting means 34 for adjusting the guide roller 11 in the front-back direction (thickness direction of the door body 7) in a direction orthogonal to the moving direction of the door body 7. ing. The front-back adjusting means 34 includes a guide plate 35 having the guide roller 11 and the guide plate 35.
A plate adjusting body 36 for interlocking with the guide plate 35 to move and adjust the guide plate 35 in the front-back direction orthogonal to the moving direction of the door body 7, and an adjusting bolt 37 for front-rear adjustment for moving the plate adjusting body 36. And have.

The guide plate 35 has a vertical mounting plate portion 38, and a lower end portion of the mounting plate portion 38 is integrally provided with an interlocking plate portion 40 protruding downward through a curved plate portion 39. Is formed in. In addition, interlocking pieces 41 are respectively projected downward on both sides of the lower end of the interlocking plate portion 40, and the interlocking pieces 41 on both sides are formed to be slightly twisted with respect to a vertical plane. Has been done.

When the guide plate 35 is provided on the case body 13 by having the curved plate portion 39 in the middle portion, the mounting plate portion 38 causes the side plate 17 of the case body 13 to move.
The upper part of the interlocking plate part 40 is located at a substantially middle part of the accommodating recess 18 in the thickness direction.

Further, mounting holes 42 are formed in upper portions of both sides of the mounting plate portion 38, and roller support shafts 43 are projected in parallel and horizontally in the mounting holes 42 of both side portions. The guide rollers 11 are rotatably arranged side by side on the roller support shaft 43 of the above.

An insertion hole 44 is formed in the mounting plate portion 38 between the mounting holes 42 on both sides, and the insertion hole 44 is formed.
A rectangular locking hole is provided in the mounting plate 38 located below 44.
45 are formed. Further, the mounting shaft 46 is inserted in the insertion hole 44.
Is supported by being inserted therethrough, and a vertical wheel removal preventing body 47 is rotatably supported by the mounting shaft 46 in the vertical direction.

The wheel removal prevention body 47 has an elongated plate-shaped body 48 made of synthetic resin, and a rotatable insertion hole through which the mounting shaft 46 is inserted in an intermediate portion of the plate-shaped body 48. 49 is formed, and one side of the plate-shaped main body 48 centering on the insertion hole 49 closes the roller insertion opening 6 of the guide rail 1 when the pair of guide rollers 11 is engaged with the guide rail 1. Is formed as a wheel removal preventing plate portion 50 that protrudes in the direction. The tip end portion of the wheel removal preventing plate portion 50 is formed by the pair of guide rollers 11.
A stopper that prevents the pair of guide rollers 11 from coming off the roller engaging portion 4 of the guide rail 1 by coming into contact with the horizontal portion 2 of the guide rail 1 when the guide rail 1 is lifted.
Formed as 51.

Further, a plate-shaped main body centering on the insertion hole 49
The other side of 48 is formed as a support plate portion 52 that rotates along the attachment plate portion 38 and supports the wheel removal prevention plate portion 50, and the attachment plate is formed inside the lower end portion of the support plate portion 52. Locking hole of part 38
An arc-shaped locking projection 53 that is engageably and disengageably locked to the projection 45 is integrally projected, and a knob 54 is integrated on the outer side of the lower end of the support plate 52 opposite to the locking projection 53. Is projected on.

When the pair of guide rollers 11 is engaged with the guide rail 1, the wheel removal preventing body 47 rotates about the mounting shaft 46 and lowers the wheel removal preventing plate portion 50 low. In this inclined state, the pair of guide rollers 11 can be easily engaged with the guide rail 1, and when the pair of guide rollers 11 are engaged with the guide rail 1, the wheel slip prevention body 47 is The wheel removal prevention plate portion 50 is rotated about the mounting shaft 46 to make the wheel removal prevention plate portion 50 vertical, and the locking projection 53 at the lower end thereof is engaged with the locking hole 45 to make the wheel removal prevention plate portion 50 vertical. The state is maintained, and the stopper 51 of the wheel release prevention plate portion 50 is brought close to the horizontal portion 2 of the guide rail 1.

Further, a mounting hole 55 is formed in the intermediate portion of the interlocking plate portion 40, and an interlocking pin 56 is inserted into the mounting hole 55, and both ends of the interlocking pin 56 are formed on the case body 13. A bearing recess 57 formed on the inner side of the upper end of the side plate 17 and the inner side of the upper end of the lid (not shown) is pivotally supported so as to be vertically movable.

The guide plate 35 having the pair of guide rollers 11 is adapted to be moved and adjusted about the interlocking pin 56 in a direction orthogonal to the moving direction of the door body 7. Further, by vertically moving the interlocking pin 56, the guide plate 35 having the pair of guide rollers 11 is vertically moved and adjusted.

Next, the plate adjusting body 36 has a main body 58 formed in a block shape in the moving direction (left and right direction) of the door body 7, and the main body 58 has a central portion of the door body 7 for the door body 7. A screw hole 59 penetrating in the moving direction is formed, and the adjusting bolt 37 is rotatably screwed into the screw hole 59 and inserted therein.

In addition, the upper side of the main body 58 has a predetermined inclination angle with respect to the moving direction of the door body 7, for example, the main body.
Guide grooves 60 are formed so as to be inclined at an angle of approximately 30 degrees with respect to the horizontal center line of the 58, and the interlocking pieces 41 on both sides of the guide plate 35 slide on the guide grooves 60 on both sides. It is engaged freely and vertically.

The plate adjusting member 36 is moved and adjusted in the moving direction of the door member 7 by the adjusting bolt 37, so that both sides of the plate adjusting member 36 are interlocked by the guide grooves 60 on both sides. The guide plate 35 can be moved and adjusted in a direction orthogonal to the moving direction of the door body 7 via the interlocking piece 41 of the section.

Further, the adjusting bolt 37 supporting the plate adjusting body 36 is rotatably inserted into the bolt insertion hole 20 in the upper portion of the case body 13, and the operating portion formed by the bolt head of the adjusting bolt 37. 61 is rotatably exposed and arranged in the expansion concave portion 21 of the outer side wall 15, and the tip portion thereof projects into the expansion concave portion 21 of the inner side wall 16 to prevent removal.
It is supported by retaining.

Next, the case body 13 is provided with vertical adjusting means 63 for vertically adjusting the guide plate 35 having the pair of guide rollers 11. The up-down adjusting means 63 has an up-down adjusting body 64 for rotating the guide plate 35 in the up-down direction, and an up-down adjusting bolt 65 for rotating the up-down adjusting body 64.

The vertical adjustment body 64 is a vertical adjustment plate 66.
And an up-down adjustment block 67 engaged with the up-down adjustment plate 66. The upper and lower adjustment plates 66 are opposite side plates with the plate adjustment body 36 movably interposed.
The both side plates 68 are provided with an insertion hole 70 formed on one side of the upper end portion of the both side plates 68 so as to rotatably insert both ends of a support shaft 69 inserted into the bearing hole 33 of the inner side wall 16 of the case body 13. Has been done.

On the other side of the upper ends of the side plates 68, there are inserted holes 71 through which both ends of the interlocking pin 56 are rotatably inserted.
The side plate 68 on one side and the guide plate are formed.
A coil spring 72 for urging the interlocking plate 40 is interposed between the interlocking plate 40 and the interlocking plate 40. Further, an engaging piece 73 is integrally formed between the lower end portions of the both side plates 68 and is inclined downward from one side in the moving direction of the door body 7 to the other side.

The up-down adjustment block 67 is movably arranged between both side plates 68 of the up-down adjustment plate 66, and its lower end is lowered from one side of the door body 7 in the moving direction to the other side. An adjustment engagement surface 74 slidably engaged with the engagement piece 73 between the lower end portions of the both side plates 68 is formed. Further, a screw hole 75 is formed in the vertical adjustment block 67 so that the adjustment bolt 65 is rotatably screwed and inserted therethrough so as to penetrate in the moving direction of the door body 7.

The adjusting bolt 65 supporting the vertical adjusting block 67 is provided in the bolt insertion hole 23 in the lower portion of the case body 13.
The operation portion 76, which is rotatably inserted through the adjustment bolt 65 and is composed of a bolt head portion of the adjustment bolt 65, is rotatably exposed and arranged in the expansion concave portion 24 of the outer wall 15, and its tip portion is The inner wall 16 is projected into the expanded recess 25 and is supported by a retaining member 77 so as not to be detached. Further, a reduced engagement step portion 78 is formed on the adjustment bolt 65 located near the operation portion 76,
A fork-shaped stopper 79 inserted from the insertion groove 26 of the case body 13 is fitted into the engagement step 78.

Next, the operation of the above embodiment will be described.

The case body 13 of the runner body 12 is inserted from the inner wall 16 side into both the buried recesses 10 at the upper end of the door body 7, and the inner wall of the buried recess 10 is inserted from the mounting hole 29 at the lower end of the case body 13. By fixing the case body 13 with a fixing bolt (not shown) fastened to the outer wall 15 of the case body 13 in a continuous state at the door stop end 8 of the door body 7, This outer wall 15
Further, the operating portion 61 of the adjusting bolt 37 of the front-back adjusting means 34 and the operating portion 76 of the adjusting bolt 65 of the vertical adjusting means 63 are positioned in the respective expansion recesses 21 and 24 and are rotatably exposed.

Next, in the case of suspending the door body 7 on the upper guide rail 1 of furniture or the like, when the wheel removal preventing body 47 of the guide plate 35 is rotated downward from the vertical state about the mounting shaft 46, The locking projection 53 of the support plate portion 52 of the wheel removal prevention member 47 is disengaged from the locking hole 45 of the guide plate 35, and the wheel removal prevention plate portion 50 of the wheel removal prevention member 47 is rotated downward. The stopper 51 at the tip of the wheel release prevention plate 50 is lowered low. In this case, the locking projections 53 of the support plate 52, which are disengaged from the locking holes 45, come into contact with the mounting plate 38 of the guide plate 35, and the derailing prevention plate 50 is held in a low and lowered state.

Then, a pair of guide rollers 11 at the upper end of the door body 7 are inserted into and engaged with the roller engaging portion 4 of the upper guide rail 1 from the roller insertion opening 6 to guide the upper guide. The door 7 is easily hung on the rail 1. At this time, since the wheel release prevention plate portion 50 of the wheel release prevention body 47 is held in a lowered state, the pair of guide rollers 11 is easily engaged with the roller engagement portion 4 from the roller insertion opening 6. It When the roller insertion opening 6 is opened on the front surface of furniture or the like, the pair of guide rollers 11 are easily engaged with the roller engaging portion 4 from the front surface of the furniture or the like.

After the door body 7 is hung on the upper guide rail 1, the derailment prevention body 47 is pivoted about the mounting shaft 46 from the inclined state to the vertical state.
The locking projection 53 of the above is fitted into the locking hole 45 of the guide plate 35, and the stopper 51 of the wheel release prevention plate 50 projects toward the horizontal portion 2 of the upper guide rail 1. It is close to the horizontal portion 2.

At this time, the interval between the tip of the stopper 51 and the horizontal portion 2 is the depth of the roller engaging portion 4, that is, the bottom of the roller engaging portion 4 and the upper end of the free end 5. Since the gap is narrower than the gap between the pair of guide rollers 11,
When it is lifted from the top, the tip end of the stopper 51 of the wheel release prevention plate portion 50 first comes into contact with the horizontal portion 2 of the upper guide rail 1, and the stopper 51 and the horizontal portion 2 The lifting operation of the pair of guide rollers 11 is suppressed, and thus the pair of guide rollers 11 is prevented from being released from the roller engaging portion 4.

Next, when it is necessary to adjust the door body 7 in the front-back direction orthogonal to the moving direction of the door body 7 with the door body 7 suspended from the upper guide rail 1. By rotating and adjusting the adjusting bolt 37 of the front-rear adjusting means 34, the guide plate 35 is moved by the plate adjusting body 36 interlocked with the adjusting bolt 37 via the interlocking pieces 41 on both sides. Is adjusted in a direction orthogonal to the moving direction of the door plate 7, and the door body 7 is adjusted in the front-rear direction in a direction orthogonal to the moving direction with the pair of guide rollers 11 of the guide plate 35 as the center.

At this time, the guide grooves 60 on both sides of the plate adjusting body 36, which are inclined at a predetermined inclination angle with respect to the moving direction of the door body 7, slide on the interlocking pieces 41 on both sides of the guide plate 35. While being moved, the interlocking pieces 41 on both sides are interlocked with the guide grooves 60 on both sides in the inclination direction of the guide grooves 60 on both sides, and the guide plate having the interlocking pieces 41 on both sides is also moved. 35 is adjusted in the front-rear direction, which is a direction orthogonal to the moving direction of the door body 7.

Further, the adjusting bolt 37 is arranged along the moving direction of the door body 7, and the operating portion 61 of the adjusting bolt 37 is positioned and exposed in the expanding concave portion 21 of the outer wall 15 of the case body 13. Therefore, when the adjusting bolt 37 is rotated for adjustment operation, the adjusting bolt 37 at the door-contact end 8 of the door body 7 is adjusted.
The operating portion 61 is easily rotated, and the plate adjusting body 36 is easily adjusted by the adjusting bolt 37.

Therefore, the door bodies 7 are easily and easily adjusted to an appropriate interval without the door bodies 7 coming too close to each other or the door bodies 7 opening too much unnecessarily. When the door body 7 is opened and closed, the door bodies 7 are smoothly opened and closed without mutual interference of the door bodies 7, and when the door body 7 is closed, there is no gap between the door bodies 7 and the door bodies 7 are sufficiently closed. It

Next, when it is necessary to adjust the door body 7 in the vertical direction when the door body 7 is suspended by the upper guide rail 1, the adjustment bolt 65 of the vertical adjustment means 63 is rotated. Then, the guide plate 35 is pivotally adjusted in the vertical direction via the interlocking pin 56 by the vertical adjustment body 64 that is interlocked with the adjustment bolt 65, and the pair of guide rollers 11 of the guide plate 35 is adjusted. Can be adjusted up and down easily.

At this time, the vertical adjustment block 67 is moved by the adjustment bolt 65 in the moving direction of the door body 7, and the vertical adjustment plate 66 is moved by the adjustment engagement surface 74 and the engagement piece 73 which are inclined to engage each other. The support shaft 69 is vertically rotated.
Further, by the rotation of the vertical adjustment plate 66, the guide plate 35 is vertically moved by the vertical adjustment plate 66 via the interlocking pin 56, and the pair of guide rollers 11 of the guide plate 35 is easily vertically adjusted. .

Further, the adjusting bolt 65 is arranged along the moving direction of the door body 7, and the operating portion 76 of the adjusting bolt 65 is positioned and exposed in the expansion recess 24 of the outer wall 15 of the case body 13. Therefore, when the adjusting bolt 65 is rotated for adjustment operation, the adjusting bolt 65 at the end 8 of the door 7 of the door body 7 is adjusted.
The operating portion 76 is easily rotated, and the adjusting bolt 65 allows the vertical adjusting body 64 to be easily adjusted.

Therefore, when the upper and lower joints of the door body 7 are not aligned, the upper and lower joints of the door body 7 can be easily aligned by rotating the adjusting bolt 65 and performing an adjusting operation as necessary. The height position of the door 7 is easily adjusted.

[0059]

According to the first aspect of the invention, the guide plate having the guide engaged with the guide rail is moved to the door by moving the plate adjusting body with the adjusting bolt according to the installation condition of the door body. It can be easily adjusted in the direction orthogonal to the moving direction of the body, and therefore the door body can be easily installed and adjusted in the direction orthogonal to the moving direction of the door body, and the door bodies are too close to each other. In the case and when the door bodies are too open, the door bodies can be easily adjusted to an appropriate interval, and the door bodies can be opened and closed smoothly. The body can be sufficiently closed without any gap between the ends.

According to the second aspect of the present invention, the guide groove formed in the plate adjusting body at a predetermined inclination angle with respect to the moving direction of the door body is slidably engaged with the guide groove. With the interlocking piece of the guide plate, the door can be easily finely adjusted in the direction orthogonal to the moving direction of the door. Also, since the operation part of the adjustment bolt for front-back adjustment for moving the plate adjustment body is exposed at the end of the case body,
The adjusting bolt can be easily adjusted and operated as compared with the case where the adjusting bolt is operated in a narrow space between the guide rail and the upper end portion of the door body.

According to the third aspect of the present invention, the guide having the guide engaged with the guide rail is obtained by rotating the vertical adjusting body with the adjusting bolt for vertical adjustment according to the installation condition of the door body. The plate can be easily adjusted in the vertical direction, so that the upper and lower joints of the door can be easily adjusted, and the door can be easily installed and adjusted in the vertical direction.

According to the fourth aspect of the present invention, the door body is vertically moved by the downwardly inclined engaging piece of the vertical adjusting plate and the downwardly inclined adjusting engaging surface of the vertical adjusting block engaged with the engaging piece. You can easily fine-tune the direction. Further, since the operation portion of the adjustment bolt for vertical adjustment for moving the vertical adjustment block is exposed at the end portion of the case body, the operation portion is rotated in the narrow space between the guide rail and the upper end portion of the door body. The adjustment bolt can be adjusted and operated more easily than the ones.

According to the fifth aspect of the present invention, the door body can be easily adjusted in the front-rear direction, the vertical direction, or both directions in the direction orthogonal to the moving direction of the door body according to the installation condition of the door body. Therefore, the door bodies can be smoothly opened and closed as a whole, and the door bodies can be easily installed and adjusted at appropriate intervals.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a door opening / closing device showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the same as above assembled state.

FIG. 3 is a side view of a part of one side showing a state where the door body is suspended.

FIG. 4 is a cross-sectional view of the other side of the door body.

FIG. 5 is a side view of the same wheel removal prevention mechanism.

[Explanation of symbols]

 1 Guide rail 7 Door body 11 Guide 12 Runner body 13 Case body 35 Guide plate 36 Plate adjusting body 37 Adjusting bolt for front and rear adjustment 41 Interlocking piece 56 Interlocking pin 59 Screw hole 60 Guide groove 61 Operating part 64 Vertical adjusting body 65 Vertical adjustment Adjustment bolts 66 Vertical adjustment plate 67 Vertical adjustment block 71 Insertion hole 73 Engagement piece 74 Adjustment engagement surface 75 Screw hole 76 Operation part

Claims (5)

[Claims] 1. A guide rail, a door body, and a runner body provided at an end of the door body and having a guide movably engaged with the guide rail, wherein the runner body is the door body. A case body fixed to the end portion of the, and a guide plate provided on the case body having the guide at the upper end and an interlocking piece at the lower end,
A plate adjuster movably provided on the case body and interlocking with an interlocking piece of the guide plate to adjust the guide plate in a direction orthogonal to the moving direction of the door body, and a plate adjuster rotatably provided on the case body. And an adjusting bolt for front-back adjustment for moving and operating the plate adjusting body. 2. The plate adjustment body is formed to be inclined at a predetermined inclination angle with respect to the moving direction of the door body, and a guide groove slidably engaged with an interlocking piece of the guide plate and an adjustment bolt are rotated. The adjustment bolt having a screw hole that is screwed as much as possible, and the adjustment bolt for front-back adjustment has an operating portion exposed at the end of the case body, and is arranged in the case body along the moving direction of the door body. The door opening / closing device according to claim 1. 3. A guide rail, a door body, and a runner body provided at an end of the door body and having a guide movably engaged with the guide rail, wherein the runner body is the door body. A case body fixed to an end of the case body, a guide plate provided on the case body, having the guide at an upper end portion thereof, and having an interlocking pin at a predetermined position in a direction orthogonal to the moving direction of the door body, and the case body. And a vertical adjustment body that is rotatably supported by the guide plate and that adjusts the guide plate in the vertical direction by interlocking with the interlocking pin of the guide plate, and the vertical adjustment body that is rotatably provided on the case body. A door opening / closing device, comprising: an adjusting bolt for vertical adjustment. 4. The up-down adjustment body has an up-down adjustment plate and an up-down adjustment block, and the up-down adjustment plate has an insertion hole formed in an upper end thereof through which the interlocking pin of the guide plate is inserted and a lower end thereof. And an engaging piece that is inclined downward from one side in the moving direction of the door body to the other side, and the up-down adjustment block has its lower end portion facing from the one side to the other side in the moving direction of the door body. And an adjusting engagement surface which is formed to be inclined downward and is engaged with an engaging piece of the upper and lower adjusting plates,
And a screw hole into which an adjustment bolt for vertical adjustment is rotatably screwed, and the adjustment bolt for vertical adjustment has an operation portion exposed at the end of the case body, and the case body is provided with a door body of the door body. The door opening / closing device according to claim 3, wherein the door opening / closing device is arranged along a moving direction. 5. The runner body is movably provided on the case body, and a plate adjusting body that interlocks with the guide plate to adjust the guide plate in a direction orthogonal to the moving direction of the door body, and is rotated by the case body. The door opening / closing device according to claim 3, further comprising: an adjusting bolt that is freely provided and that is used to move and operate the plate adjusting body.