JPH11182123A - Sliding door guide tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the adjusting workability of a worker by providing a sliding door guide tool to facilitate the adjustment of a height of a roller. SOLUTION: A sliding door guide tool is equipped with an attaching body A having an attaching part 2 for attaching to an attaching face 70; a roller 9 for guiding the sliding door 71; and an elevating means C for elevating the roller 9 to the attaching part 2 in the direction of a rotary central axis. The elevating means C is provided so that the roller may be elevatable in a state where the sliding door 71 has been attached.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door guide for guiding a sliding door by a roller, and more particularly to a sliding door guide capable of adjusting the height of a roller.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 16, a sliding door guide of this type has a mounting piece 5 for mounting on a mounting surface 70 such as a floor.
0, a shaft 51 fixed to the mounting piece 50, and a shaft 5
1 and a roller 52 rotatably supported by a shaft 1 are known. As shown in FIG. 16, the sliding door guide fixes the mounting piece 50 to the mounting surface 70 with screws or the like, and the inner surfaces 72, 7 of the sliding door 71 suspended by rails or the like.
When the roller 52 comes into contact with and rotates, the sliding door 7 is rotated.
1 is used as a guide when moving.

[0003]

In such a sliding door guide, the height of the roller 52 with respect to the mounting piece 50 is always constant, and the mounting surface 70 is maintained even when mounted on the floor.
, The rotational position of the roller 52 with respect to
The height of the rail from the mounting surface 70 may vary due to defects during construction and the like, and the height of the mounting surface 70 with respect to the rail may also vary due to aging of the rail and the mounting surface 70. When the sliding door 71 is suspended from the rail, the rollers 52
And the sliding door 71 interferes in the height direction.

Therefore, as shown in FIG.
There is also known a sliding door guide capable of adjusting the height of the sliding door. Such a height adjusting type sliding door guide includes an anchor 53 driven into the floor, a bolt 55 screwed into a female screw 54 of the anchor 53, and a roller 52 pivotally supported on the upper end side of the bolt 55. And a nut 56 screwed to the bolt 55 between the roller 52 and the anchor 53. The bolt 55 is screwed into the anchor 53 driven into the floor, and the nut 56 is placed on the upper surface of the anchor 53. Then, the bolt 55 is fixed to the anchor 53 and the height of the roller 52 is fixed. When the height adjustment is performed, the nut 56 is loosened and the bolt 55 is rotated to adjust the screw-in amount, so that the height of the roller 52 is adjusted. After the height adjustment, the nut 56 is tightened again. Is fixed.

[0005] However, the sliding door guide is a sliding door 71.
In the state before mounting, the height can be adjusted freely, but when the sliding door 71 is mounted, the nut 56 and the bolt 55
Can not be adjusted in height because it is covered. Therefore, when adjusting the height, the attached sliding door 71 must be once removed and the height adjustment must be performed. This is extremely troublesome. It is necessary to repeat the work of mounting and removing until the height adjustment is completed,
The burden on the worker was extremely large. In order to adjust the height, a special tool such as a wrench used to loosen the nut 56 is required, and the adjustment work is complicated in this respect.

Further, since the rotation axis of the roller 52 coincides with the center of the bolt 55, the rotation of the roller 52 is transmitted to the bolt 55, and the nut 56 is gradually loosened.
, The rotational height of the sliding door 71 changes with time, and problems such as an increase in the moving load of the sliding door 71 and a stop of the moving have occurred. Further, when the height of the roller 52 changes, it is necessary to adjust the height again.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and provides a sliding door guide capable of easily adjusting the height of a roller, thereby improving the adjustment workability of an operator. That is the task.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a sliding door guide according to the present invention comprises a mounting member A having a mounting portion 2 for mounting to a mounting surface 70. , A roller 9 for guiding the sliding door 71, and elevating means C for elevating and lowering the roller 9 with respect to the mounting portion 2 in the direction of the center of rotation.
The roller 9 is provided so as to be able to move up and down with the sliding door 71 attached.

In the sliding door guide device according to the present invention, the height of the roller 9 can be adjusted by operating the lifting / lowering means C with respect to the mounting portion 2 and can be mounted on the mounting surface 70. Even when the body A is attached and the sliding door 71 is attached, the height of the roller 9 can be adjusted by operating the lifting / lowering means C. Therefore, it is not necessary to remove the sliding door 71 each time the height of the roller 9 is adjusted as in the related art.
The height of the roller 9 can be adjusted.

[0010] In particular, as described in claim 2, by providing a rotating operation portion 15 which is exposed from the outer surface of the attached sliding door 71 and is rotatable from the outside to the lifting / lowering means C, a component for height adjustment is separately provided. Without preparation, the roller 9 can be moved up and down by rotating the rotation operation unit 15 exposed from the outer surface of the attached sliding door 71 to adjust the height.

Further, according to a third aspect of the present invention, the rotary operation unit 1
The rotation center axis of the roller 5 is separated from the rotation center axis of the roller 9 to separate the rotation of the roller 9 from the rotation of the rotation operation unit 15. 15 to prevent the rotation operation unit 15 from rotating.

Further, as set forth in claim 4, the rotary operation unit 1
When the height is adjusted by providing the sliding door 5 with the sliding door 71 so as to be able to move back and forth, the height adjustment is performed in a state where the rotation operation unit 15 is projected from the sliding door 71 to increase the projection amount. After the height adjustment is completed, the protrusion of the rotary operation unit 15 toward the inside of the sliding door 71 can be reduced.

In particular, by arranging a plurality of rollers 9 along the moving direction of the sliding door 71, the sliding door 71 can be moved more parallel when the sliding door 71 is moved. The roller 9 can be adjusted in a short period of time by making it possible to move up and down by the elevating means C.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. <First Embodiment> FIGS. 1 to 6 show a sliding door guide according to a first embodiment. The sliding door guide includes an attachment body A having an attachment portion 2 for attachment to an attachment surface 70, and a sliding door 71.
And a lifting means C for raising and lowering the roller 9 with respect to the mounting portion 2 in the direction of the rotation center axis, which will be described in detail below.

As shown in FIGS. 1 and 2, the mounting member A is formed by bending a single metal plate into a substantially convex shape in cross section, and has a pair of right and left mounting portions 2 having mounting holes 1. 2, a side portion 3 bent upward from the mounting portion 2, and left and right side portions 3,
3 and a connecting portion 4 formed in parallel with the mounting surface 70. The mounting hole 1 is shown in FIG.
As shown in the figure, the hole is formed in a long hole shape in a direction orthogonal to the left-right direction.

An upper through hole 5 is formed at the center of the connecting portion 4, and a pair of sliding holes 6 and 6 are formed at symmetrical positions about the upper through hole 5. Bearings 7 having upper and lower flanges are respectively inserted into the sliding holes 6, and are prevented from falling off by the flanges.

The guide B is slidably provided on the connecting portion 4. That is, the guide B is inserted into the bearing 7 of the connecting portion 4 and slidable up and down, and a pair of shafts 8, 8 is rotatably supported on the upper end side of the shaft 8 so as to be rotatable. And a shaft connecting portion 10 connecting the pair of shaft portions 8 and 8 at the lower end side, and the guide B has a pair of left and right shaft portions 8 and 8 which are bearings. 7,7
By sliding, the connecting portion 4 is slidably provided, and the sliding load is reduced by the bearing 7.

As described above, the rollers 9 are arranged in a pair on the left and right sides, and as shown in FIG.
When it moves, it is formed to be rotatable in contact with the inner surfaces 72, 72 of the sliding door 71.

The lower end of the shaft portion 8 is fixed to the shaft connecting portion 10 by caulking. Retaining rings 11 are provided above and below the roller 9 to prevent the roller 9 from coming off. Become attached to. A lower screw hole 12 having a female screw is provided at the center of the shaft connecting portion 10, and the lower screw hole 12 is provided at a position facing the upper through hole 5 of the connecting portion 4. Become.

The guide B having the above structure is provided so as to be vertically movable by the lifting / lowering means C. That is, the elevating means C includes an adjusting shaft 14 having a male screw 13,
The shaft connecting portion 10 fixed to the lower end of the adjusting shaft 14
The adjusting shaft 14 is provided with a lower screw hole 12 of the shaft connecting portion 10.
And the upper end side is inserted into the upper through hole 5 of the connecting portion 4 to connect the connecting portion 4 to the shaft connecting portion 10. Are prevented from falling off by the retaining rings 11, 11 provided in the arm.
The dial 15 is formed with irregularities on the outer peripheral surface over the entire circumference in order to prevent slippage.

As described above, the lifting / lowering means C has the adjustment shaft 14 having the male screw 13 and the dial 15 as a rotary operation unit fixed thereto. By rotating the dial 15, the upper end of the adjustment shaft 14 is connected. By sliding with the upper through hole 5 of the part 4, the dial 15 is rotatably provided while maintaining the rotational position of the dial 15.

Therefore, as shown in FIG. 3, the rotation of the dial 15 raises and lowers the shaft connecting portion 10 screwed to the male screw 13 of the adjusting shaft 14, so that the height of the pair of rollers 9, 9 with respect to the mounting portion 2 is increased. A pair of left and right shaft portions 8, 8 spaced apart from the adjustment shaft 14 are slidably provided on the bearings 7, 7 to prevent rotation of the shaft connecting portion 10 during ascending and descending.

As shown in FIG. 2, the dial 15 is formed to have substantially the same diameter as the distance between the front and rear surfaces 73, 73 of the attached sliding door 71, and the lower surface 15a of the dial 15 is attached to the mounting portion. 2 is provided substantially flush with the lower surface 2a of the sliding door 2 and is provided so as to be exposed from between the lower end surface of the attached sliding door 71 and the mounting surface 70. That is, the dial 15 is formed so as to be exposed from the outer surface of the attached sliding door 71 and to be rotatable from the outside, and is configured as a rotary operation unit.

Next, the use state of the sliding door guide constructed as described above will be described. First, as shown in FIGS. 4 to 6, a fixture 80 such as an anchor is driven into a mounting surface 70 such as a floor along a moving direction of a sliding door 71 at a predetermined interval, and the position of the driven fastener 80 is determined. A screw 81 is inserted into the mounting hole 1 corresponding to the shape of the mounting hole 1 formed in a long hole shape.
The position in the direction perpendicular to the moving direction of the sliding door 71 is thus determined and attached.

After the sliding door guide is attached, the dial 15 is rotated so that the rollers 9 and 9 with respect to the attachment surface 70 are rotated.
The height of the sliding door 71, on which a pair of left and right pulleys 83 are provided on the upper surface, is suspended by engaging the pulley 83 with the upper rail 82, and the roller 9 of the sliding door guide at the lower end is adjusted. The sliding door 7 is brought into contact with the inner surfaces 72, 72.
Attach while sliding 1.

As described above, when the sliding door 71 is mounted, a slight gap is formed between the sliding door 71 and the mounting surface 70 of the floor, and the dial 15 as a rotary operation part is exposed from the gap. Moreover, in plan view, as shown in FIG. 2, the front and rear surfaces 73, 73 of the sliding door 71 and the outer periphery of the dial 15 are substantially the same, so that the dial 15 can be rotated from the outside. Therefore, when the sliding door 71 and the roller 9 interfere with each other, the height of the roller 9 can be adjusted by rotating the dial 15 from the outside, and the sliding door 71 can be smoothly moved. .

Then, the height adjustment of the roller 9 is completed, the sliding door 71 becomes movable, and the mounting operation of the sliding door 71 is completed. When the sliding door 71 is moved, the pulley 83 provided above the sliding door 71 is moved. Travels on the rail 82, and at the lower side of the sliding door 71, the roller 9 of the sliding door guide rotates and guides while contacting the inner surfaces 72, 72 of the sliding door 71, and moves in parallel with a small moving load. To go.

The first embodiment of the sliding door guide used as described above has the following advantages. First, when the sliding door guide is mounted, the sliding door guide is provided with a pair of rollers 9 and can be moved up and down by the elevating means C, so that adjustment can be performed in a short time. Note that the height of the roller 9 can be adjusted even before the sliding door 71 is mounted since the lifting means C is provided, and the position can be easily adjusted because the mounting hole 1 is formed in a long hole shape. You can also.

Next, since the elevating means C is provided so that the roller 9 can be moved up and down even when the sliding door 71 is attached, it is not necessary to remove the sliding door 71 for each height adjustment as in the prior art. The adjustment of the sliding door 71 becomes extremely simple, the burden on the operator can be greatly reduced, and the mounting work of the sliding door 71 can be greatly improved compared to the related art. In particular, since the door 15 is exposed from the sliding door 71 to which the dial 15 as a rotation operation unit is attached, there is no need to separately prepare a component for height adjustment when performing height adjustment. The height of the roller 9 can be adjusted by easily rotating it. Further, since the outer peripheral surface of the dial 15 has irregularities, the dial can be easily rotated and finely adjusted.

Further, when the sliding door 71 is moved, a pair of rollers 9 are provided on the sliding door guide and are arranged side by side along the moving direction of the sliding door 71. Thus, the sliding door 71 can be moved while maintaining the parallel state.

Further, since the outer peripheral surface of the dial 15 is formed to be substantially the same as the outer surface of the sliding door 71, the dial 15 does not hinder the use of the sliding door 71 after the height adjustment is completed.

Since the rotation center axis of the dial 15 (center of the adjustment shaft 14) is separated from the rotation center axis of the roller 9 (center of the shaft portion 8), the rotation of the roller 9 and the dial 1
The rotation of the roller 9 is separated from the rotation of the roller 9 and the rotation of the roller 9 is prevented from being transmitted to the dial 15 even by the movement of the sliding door 71, so that the change in the height of the roller 9 can be reliably suppressed.

The position of the dial 15 is set so that the lower surface 15a of the dial 15 contacts the mounting surface 70 and is pressed upward from the mounting surface 70 when the mounting body A is mounted on the mounting surface 70. This is also preferable, so that even if vibrations or the like occur, the dial 15 is prevented from rotating carelessly.

<Second Embodiment> Next, a second embodiment of the present invention will be described, but the description of the same configuration as the first embodiment will be omitted. FIGS. 7 and 8 show a sliding door guide according to the second embodiment. In the mounting body, a flat mounting portion 2 has a pair of left and right long hole-shaped mounting holes 1, 1. A pin 20 for sliding the guide body B up and down is press-fitted into the mounting portion 2 and a side portion 3 is formed on only one side. A portion 21 is provided, and a sliding elongated hole 22 for sliding the guide body B up and down is formed at the upper end side.

A guide B is slidably provided on the attachment A as in the first embodiment. That is, the shaft connecting portion 10 of the guide body B is formed in a substantially L-shape, and the connecting side portion 23 bent upward has a sliding pin 25 facing outward.
The sliding pin 25 is inserted into the elongated sliding hole 22. Shafts 8, 8 having a pair of rollers 9, 9 are fixed to the flat portion 24, and the pin 20 is slidably inserted into the center between the pair of shafts 8, 8. And the shaft portion 8 and the connection side portion 23
An adjustment shaft 14 similar to that of the first embodiment is screwed in between, and a part of the dial 15 on the lower end side of the adjustment shaft 14 is inserted into the cutout 21 so that the side portion 3 The outer peripheral portion is exposed from the outer surface.

In the sliding door guide having the above structure, the guide B is moved up and down by moving the dial 15 in the same manner as in the first embodiment to move the pair of rollers 9 and 9 up and down. Can be adjusted,
In a state where the sliding door 71 is attached, adjustment can be performed even in a state where the sliding door 71 is attached by rotating the dial 15 that is exposed from a side edge in the moving direction of the sliding door 71. In particular, as shown in FIG. 9 (a sliding door guide is provided at Q in the figure), a double-sided door pocket 74 is provided such that the door pocket of the sliding door 71 covers the front and rear surfaces 73, 73 of the sliding door 71. There is an advantage that the height can be adjusted by rotating the dial 15 from the opening 74a of the double-sided door pocket 74 even when the guide is accommodated in the double-sided door pocket 74.

In this embodiment, the dial 15
Is provided so as to press against the inner surface of the notch 21, so that the inadvertent rotation of the dial 15 can be further suppressed.

<Third Embodiment> Next, a third embodiment of the present invention will be described with reference to FIGS. In the sliding door guide according to the third embodiment, the mounting body A is substantially the same as that of the first embodiment, and a guide plate 30 extends downward from the center of the connecting portion 4.
Is provided with a long sliding hole 31 which is long in the vertical direction. In addition, round holes 32, 32 are formed at positions facing left and right on the mounting portions 2, 2 of the both sides 3, 3, respectively.

Further, the elevating means C is provided with the two round holes 32, 3
2 and rotatably inserted therethrough, and a screw portion 33 on the outer periphery.
And an extraction rod 35 slidably and rotatably provided in the adjustment pipe 34 in the axial direction.
A slide block 36 screwed into the screw portion 33 of the adjusting pipe 34;
And a link arm 37 having a base end rotatably supported at the center in the axial direction and a distal end side rotatably supported up and down by the sliding elongated hole 31 vertically.

One end of the adjusting pipe 34 protrudes outward from the side 3 of the mounting body A, and is inserted into the leading end of the extraction rod 35 at right angles to the axial direction. An engagement notch 39 with which the engagement of the engagement notch 38 can be provided. The other end of the drawer bar 35 is externally fitted with a dial 15 having irregularities on the outer periphery.

Further, the tip of the link arm 37 on the side pivotally supported by the elongated sliding hole 31 abuts on the lower surface 10a of the shaft connecting portion 10 of the guide B having a pair of rollers 9 and 9, and The connecting portion 10 is provided so as to be pushed up and down by being pressed vertically.

The sliding door guide having the above structure is
The height of the roller 9 is adjusted as follows. That is, the dial 15 is pulled out and the guide pins 3
8 is engaged with the engagement notch 39, the draw-out rod 35 and the adjustment pipe 34 are connected and become integrally rotatable. When the dial 15 is rotated, the adjustment pipe 34 rotates and is screwed. The sliding block 36 moves in the left-right direction.

By moving the slide block 36,
The link arm 37 pivots on the slide block 36 side as a fulcrum, and slides up and down the sliding long hole 31 to slide the shaft connecting portion 10.
Is pressed in the vertical direction. Therefore, by rotating the dial 15, the link arm 37 presses the shaft connecting portion 10 to move the roller 9 up and down, so that the rotation height of the roller 9 can be changed. When the height adjustment of the roller 9 is completed, the dial 15 is pressed toward the side portion 3 of the mounting body A to house the drawer rod 35.

As described above, also in the present embodiment, similarly to the second embodiment, since the sliding door 71 to which the dial 15 is attached is provided so as to be able to move back and forth, the state in which the sliding door 71 is attached is provided. Also, the height of the roller 9 can be adjusted by pulling out and rotating the dial 15, and the amount of protrusion of the dial 15 toward the inside of the sliding door 71 can be reduced after the adjustment.

Further, in this embodiment, the dial 1
Since the rotation center axis of the roller 5 and the rotation center axis of the roller 9 are orthogonal to each other, there is an advantage that the rotation of the roller 9 can be further separated and the adjustment position can be maintained more reliably.

It should be noted that an elastic body may be provided on the draw-out bar 35 so as to be automatically housed when the draw-out bar 35 is housed from the pulled-out state, whereby the adjustment work can be further facilitated.

<Other Embodiments> In the above-described first embodiment, the shaft connecting portion 10 is provided below the connecting portion 4 of the mounting body A. However, as shown in FIGS. And an elliptical dial 40 may be used as shown in FIGS. That is, the longitudinal direction of the dial 40 is the front and rear surfaces 7 of the sliding door 71.
3, 73 may be provided so that the short axis direction is shorter than the distance between the front and rear surfaces 73, 73. This allows
The sliding door 71 can be easily rotated by using the outer peripheral portion in the long axis direction protruding from the front and rear surfaces, and can be stored inside the sliding door 71 after the adjustment as shown in FIG. In this way, the rotation operation unit 15 may be provided so as to be able to move out and out of the outer surface of the sliding door 71 (the front and rear surfaces 73, 73 in this embodiment).

The number of the rollers 9 arranged in parallel, the mounting member A, the guide member B, and the elevating means C are not limited to the above-described embodiment, and the design can be changed as appropriate. Dial 1
A pin or the like may be separately inserted into the adjustment shaft 14 and the pin may be rotated to move up and down without providing the rollers 5 and 40. The roller 9 can be moved up and down in the rotation center axis direction with the sliding door 71 attached. It is within the intended scope of the present invention.

[0049]

As described above, in the sliding door guide according to the present invention, the provision of the lifting means capable of raising and lowering the roller with the sliding door mounted thereon provides not only the state before the sliding door is mounted but also the state before the sliding door is mounted. The height of the roller can be adjusted even when the sliding door is attached. Therefore, it is not necessary to remove the sliding door every time the height of the roller is adjusted as in the prior art, and the height adjustment of the roller becomes extremely easy.
It is also possible to reduce the burden of the worker repeatedly attaching the sliding door.

In particular, by providing a rotating operation part which is exposed from the outer surface of the attached sliding door and which can be rotated from the outside, it is not necessary to separately prepare a component for height adjustment. There is an effect that the height adjustment of the roller is further facilitated.

In addition, by providing the rotation center axis of the rotation operation part at a distance from the rotation center axis of the roller, rotation of the rotation operation part due to rotation of the roller can be prevented, and the sliding door can be repeatedly opened. Even when the roller is moved, the rotational height of the roller can be reliably maintained.

Further, by providing the rotating operation part so as to be able to move out and retreat with respect to the sliding door to which the rotating operation part is attached, the rotation operating part projects from the sliding door when the height of the roller is adjusted and when the roller height is not adjusted. The amount can be adjusted, and there is an effect that it is possible to achieve both easy adjustment at the time of adjustment and storability at the time of non-adjustment.

In particular, by arranging a plurality of rollers along the moving direction of the sliding door, the parallelism at the time of moving the sliding door is further ensured, and the rollers are moved together by the elevating means. By moving up and down, adjustment can be performed in a shorter time, and adjustment can be further facilitated.

[Brief description of the drawings]

FIG. 1 is a front view including a partial cross section showing a sliding door guide according to a first embodiment of the present invention.

FIG. 2 is a plan view showing the sliding door guide of the first embodiment.

FIG. 3 is a front view including a partial cross section showing a use state of the sliding door guide of the first embodiment.

FIG. 4 is a front view including a partial cross section showing a use state of the sliding door guide of the first embodiment.

FIG. 5 is a side view showing a use state of the sliding door guide of the first embodiment.

FIG. 6 is an enlarged view of a part P in FIG. 4;

FIG. 7 is a front view including a partial cross section showing the sliding door guide of the second embodiment.

FIG. 8 is a front view including a partial cross section showing a use state of the sliding door guide of the second embodiment.

FIG. 9 is a plan view showing a use state of the sliding door guide of the second embodiment.

FIG. 10 is a front view including a partial cross section showing the sliding door guide of the third embodiment.

FIG. 11 is a front view including a partial cross section showing a usage state of the sliding door guide of the third embodiment.

FIG. 12 is a front view including a partial cross section showing a sliding door guide of another embodiment.

FIG. 13 is a front view including a partial cross section showing a usage state of a sliding door guide of another embodiment.

FIG. 14 is a plan view showing a sliding door guide of another embodiment.

FIG. 15 is a plan view showing a use state of a sliding door guide of another embodiment.

FIG. 16 is a side view showing a conventional sliding door guide.

FIG. 17 is a side view including a partial cross section showing a usage state of a conventional sliding door guide.

[Explanation of symbols]

A: mounting body, B: guide body, C: lifting / lowering means, 2: mounting part,
9: Roller, 15: Dial (rotary operating part), 40: Dial (rotary operating part) 70: Mounting surface, 71: Sliding door

Claims (5)

[Claims] 1. A mounting body (A) having a mounting portion (2) for mounting on a mounting surface (70), a roller (9) for guiding a sliding door (71), and the mounting portion (2). A lifting means (C) for raising and lowering the roller (9) in the direction of the rotation center axis. The lifting means (C) is provided with the sliding door (71) attached to the roller (9). 9) A sliding door guide which is provided so as to be able to move up and down. 2. The sliding door according to claim 1, wherein the lifting means (C) is provided with a rotating operation part (15) which is exposed from an outer surface of the attached sliding door (71) and is rotatable from outside. Guide. 3. The sliding door guide according to claim 2, wherein a rotation center axis of the rotation operation portion is separated from a rotation center axis of the roller. 4. The sliding door guide according to claim 2, wherein the rotating operation section (15) is provided so as to be able to go out and with respect to the attached sliding door (71). 5. The sliding door (71), wherein the roller (9) is
The sliding door according to any one of claims 1 to 4, wherein a plurality of the sliding doors (C) are provided so as to be able to raise and lower a plurality of rollers (9) together. Guide.