JP3331292B2 - Adjustable door roller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adjustable door roller, particularly to a sliding door (including a sliding door), which is attached to the lower end of the door, and the door main body is laterally moved from the lower end surface of the sliding door to easily adjust the width of the sliding door with respect to the rail. The present invention relates to a adjustable adjustable door wheel.

[0002]

2. Description of the Related Art Conventionally, a sliding door is attached to a lower end of a sliding door in order to easily move the sliding door along a rail laid on a floor surface. 2. Description of the Related Art A conventional door roller includes a door roller case which is partially or entirely embedded in a lower end of a sliding door and is attached with screws or the like, and a door roller body rotatably supported in the door roller case.

[0003]

The above-mentioned conventional door stroller is generally buried and fixed at the lower end of a sliding door, and the mounting height of the door stall is fixed. For this reason, it is necessary to adjust the height position of the door roller by mounting fittings or the like. However, since the conventional door roller is a fixed type, the height cannot be adjusted. In recent years, in order to solve this problem, a method of adjusting the height of a door roller has been proposed. By the way, in general, the larger the door roller, the more stable the running of the sliding door, but there is a problem that the size of the door roller body is remarkably limited with respect to the size of the upper door case of the door mechanism, and the door roller body cannot be enlarged. . Furthermore, even if height adjustment is possible, even if mounting errors occur when buried in sliding doors, sliding doors warp sliding doors to contact each other and make sliding doors difficult to operate. However, the sliding door cannot be adjusted in the width direction. The present invention solves the above-mentioned problems of the conventional height-adjustable door roller, enables the large door roller body to move in the lateral direction, and moves the door roller placed in the door roller case in the width direction of the sliding door. It is an object of the present invention to provide an adjustable door roller that can easily adjust the horizontal direction of the door roller.

[0004]

Means for Solving the Problems To achieve the above object,
The adjustable door roller according to the present invention includes a door roller case 1 embedded and fixed to the lower end of a sliding door, a door roller adjustment frame housed in the door roller case so as to be swingable in the case width direction, and a turntable inside the door roller adjustment frame. A door roller body that is movably disposed, a door roller adjustment frame holder that restricts swinging of the door roller adjustment frame, and a fixing screw that fixes the door roller adjustment frame holder to a predetermined position of the door roller case. The fitting is formed with a fitting groove into which a side edge of the door wheel adjusting frame is loosely fitted.

[0005] The adjustable door roller of the present invention having the above-mentioned structure is provided with a door roller adjustment frame holder in which a side edge of a door roller adjustment frame in which a door roller body is rotatably provided in a door roller case is loosely fitted. It is configured to move in the horizontal direction within the door, so by moving the door roller adjustment frame holder with a simple structure, the door roller adjustment frame swings like a pendulum according to the amount of movement, and the sliding door The horizontal position of the door bogie body can be easily adjusted with respect to sleds and the like, and a sliding door or the like can be accurately attached to an opening of a building and adjusted.

In this adjustable door wheel, a part of the end surface of the door wheel adjustment frame mounted to be swingable like a pendulum is fitted and latched to the door wheel adjustment frame holder. Just by moving the holding tool laterally in the door case, the door adjustment frame provided with the door roller body is swung, so that the adjustment is reliably and easily performed, and the assembly can be easily performed.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an adjustable door roller according to an embodiment of the present invention. 1 to 6
Here is a reference example . Reference numeral 1 denotes a door case that can be buried and stored at the lower end of the sliding door D, and two door cases 1 are usually buried at the lower end of the sliding door D. The lower end surface of the door case 1 is open, the interior is a cavity 11, and a mounting hole 15 penetrating in the longitudinal direction at the upper end of one end side and an elongated hole-like adjustment in the width direction of the door case 1 are provided. A screw adjustment hole 14 is formed.

As shown in FIG. 3, a guide groove 1 for supporting an adjustment frame 2 to be inserted into the door case so as to be slidable in the width direction of the sliding door D is provided in the inner surface of the cavity 11 of the door case.
2, 13 and guide projections 16, 17 are formed. The number and shape of the guide grooves and guide protrusions are not limited to those shown in the drawings, and may be any as long as the adjustment frame 2 smoothly slides in the lateral direction. Furthermore, on the end side surface of the door case 1,
A screw insertion slot 18 for adjusting the adjustment frame in the width direction and fixing the adjustment frame at a predetermined position is formed below the mounting hole 15 and the adjustment hole 14 in the shape of a horizontally long hole.

The adjustment frame 2 is inserted into the cavity 11 of the door case 1.
Is inserted. Therefore, the adjustment frame 2 has the same outer shape as the cavity 11 of the door case. That is, as shown in FIG.
Guide grooves 22 and 23 and guide grooves 26 and 27 are formed so as to fit with the guide protrusions 16 and 17 so as to fit with the guide grooves 2 and 13, and the adjustment frame 2 is inserted into the door case 1. When doing, the guide groove of both members having a relative positional relationship with each other,
The guide ridges are inserted into each other, and guided by these guide grooves and guide ridges, so as to be slidable in the width direction of the sliding door (the thickness direction of the sliding door).

The adjustment frame 2 to be inserted into the cavity 11 of the door case 1 slides in the lateral direction through the guide ridges and guide grooves shown in FIGS. As shown in FIG. 15, a swing type can be used. In this swing type, a guide ridge and a guide groove for slidingly guiding the adjustment frame 2 in the lateral direction inside the door case 1 are omitted, and the adjustment frame 2 is provided.
As shown in FIG. 11, a screw insertion hole 29 for inserting a mounting screw is formed in an upper portion of the housing at a position corresponding to 15 formed in the door case 1 when the adjustment frame is inserted into the door case 1. Set up. The lower end surface of the door case 1 is open, the interior is a cavity 11, and an adjustment hole 14 for an elongated adjustment screw is formed in one side surface in the width direction of the door case 1. Screw hole 28b for fixing
Is engraved.

Further, a cavity 21 is formed in the adjustment frame 2 for inserting the door roller main body and the door roller adjustment frame, and moves into the cavity inner top surface 26 by turning an adjustment screw. In order to regulate the moving range of the adjusting tool, a stopper 24 having a U-shaped groove is further suspended so as to hold the adjusting screw, and the intermediate portion of the adjusting screw 5 is rotatable in the U-shaped groove. To keep.

The adjusting frame 2 has a screw through hole 25 through which an adjusting screw 5 held in a U-shaped groove of a stopper 24 is inserted and a screw head 5a for rotating the screw is fitted.
Further, a plate insertion hole 28 through which the fixing plate 7 for fixing at a predetermined position is inserted after the adjustment frame 2 is slid in the door roller case 1 is formed in the guide ridge 22, A screw hole 28 a through which the fixing screw 8 is inserted is formed in the plate insertion hole 28.

Further, as shown in FIG. 7, the fixing plate 7 is omitted, a screw hole 28b is directly carved in the adjustment frame, a fixing screw 8 is screwed into the screw hole 28b, and adjustment is performed by fastening the fixing screw. The frame can be laterally moved in the door case and fixed at a predetermined position.

In the swing type reference example shown in FIG. 8 and subsequent figures, the fixing screw 8 is loosened and the lower end of the adjustment frame or the door roller is moved laterally with respect to the door roller case for adjustment. In this case, the adjustment frame swings the door screw laterally with respect to the door case by swinging the mounting screw like a stop shaft to the left and right around the mounting screw within a predetermined angle θ. It will be adjusted. The fixing is performed by fastening fixing screws in the same manner as in the reference example shown in FIG. 7, and the structure is simplified in this swing type. This angle θ is an angle at which the adjustment frame comes into contact with the side wall 1A as shown in FIGS.

Further, a door wheel main body 3 having a required outer shape and diameter is placed in a cavity 21 of the adjustment frame 2 shown in FIG. 4 or FIG.
The door roller adjusting frames 4 and 4 are respectively arranged on both side surfaces of the door roller main body 3, and the locking member 6 is inserted into an upper position of the door roller adjusting frame 4. The door car body 3 is as large as possible to be accommodated in the cavity 21 of the adjustment frame 2, and at the center of the door car body 3 through a bearing so as to rotate lightly or directly on the support shaft 3 </ b> S. Through the shaft 3
Both ends of S are fitted and supported by a door roller adjusting frame 4 along the outer surface of the door roller body, and rotatably support the door roller body 3.

As shown in detail in FIG. 5, the door roller adjusting frame 4 has a flat shape and a size and a shape that can be accommodated in the adjusting frame 2.
A shaft hole 41 that supports the support shaft 3S and a support hole 42 that supports the adjustment tool 6 at one end of the door roller adjustment frame are drilled, and the outer shape of the adjustment screw 5 with which the adjustment tool 6 is screwed is formed. When moving along the top surface of the cavity by motion, it is formed in an arc shape so as to be pivotable about the support shaft 3S, and the diameter passing through the support shaft is substantially equal to the inner width of the cavity of the adjustment frame 2, It is determined so as to be in contact with the inner side surface of the cavity and to enable the turning and vertical sliding of the door wheel adjusting frame 4.

As shown in detail in FIG. 6, the adjuster 6 is interposed between the two opposing door wheel adjusting frames 4 and 4 and has support shafts 62 projecting from both sides to the upper portion of the door wheel adjusting frame 4. A screw hole 61 penetrating through the adjustment tool in a direction orthogonal to the support shaft 62 is formed in the support hole 62 drilled at the position, and the adjustment screw 5 is screwed into the screw hole 61. Are combined.

The adjusting tool 6 has a cylindrical shape as shown in the figure, and a part of the peripheral surface thereof can abut on the inner top surface 26 of the adjusting frame 2, that is, can slide. In addition, the adjusting device 6 and the door roller adjusting frames 4 and 4 each having the door roller body 3 attached thereto as a pair.
Is housed in the door case 1 via the adjustment frame 2 as described above, but as shown in FIG. Even if it moves down, it protrudes downward from the lower end surface of the door roller body 3 so that it does not come into contact with a guide rail or the like.

As shown in FIG. 1, the door frame is assembled in a door case 1 with an adjustment frame 2, a door wheel body 3 rotatably supported on a door wheel adjustment frame 4, an adjustment tool 6, and an adjustment screw 5,
This is buried in a door roller mounting hole formed on the lower end surface of the sliding door D. At this time, a mounting screw is inserted into the mounting hole 15 so that a part of the door bogie main body 3 protrudes from the lower end surface of the sliding door, and is screwed and fixed to the sliding door D.

The height of the door bogie body is adjusted by adjusting screws 5
When the door wheel adjusting frame 4 screwed to this screw moves along the top surface of the adjusting frame in the door wheel case by rotating the left or right direction, the door wheel adjusting frame is centered on the support shaft 3S. While turning, the support shaft supporting the door carriage main body and the door carriage adjustment frame move up and down in accordance with the movement amount, and the height of the door carriage main body is adjusted. In addition, in order to easily perform this adjustment, the door screw side of the door roller is attached to the side end outer surface side of the sliding door.

In order to adjust the horizontal position of the door body 3 with respect to the sliding door D, the adjusting frame 2 can be slid in the width direction with respect to the door case 1 by loosening the fixing screw 8. Then, the adjustment frame incorporating the door roller main body is moved in the lateral direction, and the door roller main body is adjusted to an accurate position on the rail, and then the fixing screw 8 is fastened again to be fixed.

FIGS. 12 to 16 show an embodiment of the present invention. In this embodiment, the adjustment frame 2 in the reference example is omitted, and the door roller adjustment frame 40 that rotatably supports the door roller body 3 is directly inserted into the door roller case 1, and the door roller adjustment frame 40 is inserted into the door roller case 1. It can be adjusted vertically and horizontally.

The door case 1 is formed with a cavity 11 having an open lower end surface in the interior as in the reference example, and a mounting hole 15 is formed in the upper part of the cavity 11 so as to penetrate in the longitudinal direction. An adjusting hole 14 and a screw insertion slot 18 parallel to the mounting hole 15 are formed on the opposite end side wall surface, and a stopper fitting hole 19 is formed on the opposite end side wall. 13 is fitted with the end of the support shaft 3S of the door roller body 3 rotatably supported on the door roller adjustment frame 4, and the support shaft guide grooves 11a, 11a for vertically guiding the door shaft are shown in FIG. The holder guide grooves 11b and 11c for fitting and guiding the door adjuster holder 9 which moves the door adjuster frame 40 laterally with respect to the door case 1 are also engraved as shown in FIG.

As shown in detail in FIG. 14, the door roller adjusting frame 40 is composed of two plates of the same shape having the same size and shape to be housed in the cavity, facing each other, and integrated by a connecting plate 43. ,
At this upper position, a support hole 42 for fitting and supporting the cylindrical adjustment tool 60 and a shaft hole 41 for fitting the support shaft 3S are formed, and the door wheel body 3 is inserted between the opposed plates. It is rotatably supported by the support shaft 3S and integrated. This support hole 4
Reference numeral 2 is larger than the reference example so that the columnar adjusting tool 60 can be directly inserted into the reference example .

When fitting the door roller adjustment frame 40 supporting the door roller body 3 into the cavity 11 of the door roller case 1, the door roller adjustment frame 40 is moved so as to be laterally adjustable with respect to the door roller case 1. The door roller adjustment frame holder 9 is inserted into the holder guide grooves 11b and 11c of the case 1. As shown in detail in FIG. 15, the door roller adjusting frame holder 9 has a screw hole 92 formed in a central portion, and a fitting groove 91 is formed along both side edges of the inner surface.
91 are formed in parallel with each other, and the edge of the door wheel adjusting frame 40 is fitted into the fitting grooves 91, 91, and the door wheel adjusting frame holder 9 is fitted.
Is moved to adjust the movement of the door roller adjustment frame 40. Therefore, the groove width t1 of the fitting groove 91 is slightly larger than the plate thickness t2 of the door roller adjusting frame 40. Thereby, the swing of the door wheel adjusting frame 40 is absorbed by the play of the groove width when the door wheel adjusting frame 40 swings right and left below the adjusting screw 5 as a center. Further, on the back side of the fitting groove 91, the door roller adjusting frame 40
Is formed at a lower position of the vehicle, and the protrusion 93 is fitted in a groove 11c formed in the door case 1 so that the door adjustment frame holder 9 is held at a predetermined fixed position in the door case 1. To

The adjusting screw 5 inserted into the adjusting hole 14 of the door roller case 1 has its tip end screwed into a columnar adjusting tool 60 fitted into the support hole 42 of the door roller adjusting frame 40. When the screw 5 rotates and slides along the inclined surface of the top surface inside the cavity of the door case 1, the door adjustment frame 40 moves up and down and the amount of protrusion of the door body 3 from the lower end of the door case is adjusted. The adjusting screw 5 is supported so as to be raised and rotatable within the angle permitted in the door case 1. This is shown in FIG. 1 in the holes 1H and 1H formed on the side of the door case 1.
The adjustment screw holders 10 and 10 shown in FIG. 6 are fitted, and the adjustment screw 5 is held in a rotation-permitted state.

The adjusting screw holder 10 having the configuration shown in FIG. 16 is used as a pair, and is formed in a split shape to simplify the attachment to the door case 1. The adjustment screw holder 10 includes a screw holding piece 105 that rotatably holds the adjustment screw 5 so as to face each other, a fitting support piece 104 that fits and is fixed in the hole 1H of the door case 1. Are formed integrally, and a semi-cylindrical screw holding groove 101 is formed on the screw holding piece 105, and a locking pin 102 and a locking hole 103 are formed on both end surfaces of the screw holding groove 101. . As shown in FIG. 16B, the screw holding groove 101 is tapered so that the adjusting screw 5 can swing vertically within an allowable angle.

As described above, the two adjusting screw holders 10 to be formed are inserted into the holes 1H of the door case 1 with the screw holding pieces 105, 105 facing each other, and the locking pins 1
02 is fitted into the locking groove 103 to be integrated therewith, whereby the adjusting screw 5 is rotatably held in the tapered hole-shaped screw holding groove 101 and is held in the door wheel case 1. .

In this embodiment , the height of the door body 3 is adjusted by rotating the adjusting screw 5 so that the cylindrical adjusting tool 6 screwed to the adjusting screw 5 moves along the inner top surface of the cavity 11. Since the top surface inside the cavity is an inclined surface, the door wheel adjuster 40 is moved up and down accordingly to be adjusted. When the door roller according to the present invention is buried in the lower end of the sliding door D and is built in the opening, the adjusting screw 5 is rotated by turning the adjusting screw 5 in order to immerse the sliding door body 3 in the sliding door case to facilitate the building. At the highest position of the inner surface of the door case, that is, at the position where it is moved to the right end position in FIG. 13 (A), the lower surface of the adjusting tool 6 is melted and held by the stopper S fitted and fixed in the hole 19. As a result, the door roller adjusting frame 4 is lowered into the door roller case via the adjusting tool 6 and the adjusting screw 5 by the stopper S to be in a fixed state, so that the door wheel main body 3 protrudes below the sliding door by its own weight. And easy to build. Then, after the installation, the adjusting screw is rotated to move the adjusting tool and the stopper is removed, so that the door wheel main body freely moves up and down, and the height is adjusted.

Further, in order to move the door bogie body laterally with respect to the sliding door by means of a sled of the sliding door or the like, the screw 18N inserted into the screw insertion slot 18 is loosened to loosen the screw 18N.
Can be moved laterally in the door case. In this state, the door roller body 3 or the door roller adjustment frame 40 is lightly tapped or pushed to move, and the screw 18N is fastened and fixed again at a predetermined position. In this way, the horizontal direction of the sliding door body is adjusted.

[0031]

According to the adjustable door roller of the present invention , the door roller adjusting frame holder in which the side edge of the door roller adjusting frame in which the door roller body is rotatably provided in the door roller case is loosely fitted to the inside of the door roller case. The door swing adjustment frame is configured to be moved in the horizontal direction, so the door swing adjustment frame holder is moved with a simple structure, and the door swing adjustment frame swings like a pendulum according to the amount of movement, and the sliding door sleds. The horizontal position of the door bogie main body can be easily adjusted with respect to the door, etc., and the sliding door or the like can be accurately attached to the opening of the building and adjusted. Also, since the part of this end face of the door adjuster frame that is swingably mounted like a pendulum is fitted and locked to the door adjuster holder, the door adjuster holder is laterally moved in the door case. By simply swinging the door roller adjusting frame provided with the door roller main body, the adjustment can be reliably and easily performed, and the assembly can be easily performed.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional front view showing a reference example of an adjustable door roller .

FIG. 2 is a side view of the same.

FIG. 3 is an explanatory view of a door case, in which (A) is a sectional view,
(B) is a side view.

FIG. 4 is an explanatory view of an adjustment frame, (A) is a longitudinal front view,
(B) is a left side view, (C) is a right side view, and (D) is a bottom view.

FIG. 5 is an explanatory view of a door roller adjustment frame, (A) is a front view,
(B) is a side view.

FIGS. 6A and 6B are explanatory views of the adjusting tool, wherein FIG. 6A is a side view and FIG. 6B is a front view.

FIG. 7 is a diagram showing a method of fixing an adjustment frame in an adjustable door roller.
It is a vertical front view showing the reference example .

FIG. 8 is a longitudinal sectional front view showing a reference example of an adjustable door roller.

FIG. 9 is a vertical sectional side view of the same.

10A and 10B are explanatory views of a door case, in which FIG.
(B) is a partially broken side view.

11A and 11B are explanatory views of an adjustment frame, in which FIG.
(B) is a side view.

FIG. 12 is a longitudinal sectional front view showing one embodiment of the adjustable door roller of the present invention.

FIG. 13 is an explanatory view of a door case, (A) is a front view,
(B) is a left side view, (C) is a right side view, and (D) is a bottom view.

14A and 14B are explanatory diagrams of a door roller adjustment frame, wherein FIG. 14A is a front view,
(B) is a side view.

15A and 15B are explanatory diagrams of the door roller adjustment frame holder, wherein FIG. 15A is a front view, FIG. 15B is a side view, and FIG. 15C is a bottom view.

16 (A) is a front view, FIG. 16 (B) is a left side view, FIG. 16 (C) is a right side view, and FIG. 16 (D) is a bottom view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door car case 11 Cavity 12 Guide groove 13 Guide groove 16 Guide ridge 17 Guide ridge 2 Adjustment frame 26 Top surface in cavity 28a Screw hole 28b Screw hole 3 Door car body 4 Door car adjustment frame 40 Door car adjustment frame 5 Adjustment screw 6 Adjustment tool Reference Signs List 60 Adjustment tool 7 Fixing plate 8 Fixing screw 9 Door roller adjustment frame holder 10 Adjustment screw holder 18N Fixing screw

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-9-125799 (JP, A) JP-A-9-125800 (JP, A) JP-A-9-125803 (JP, A) JP-A-9-125 60399 (JP, A) JP-A-56-108477 (JP, A) JP-A 50-59832 (JP, U) JP-A 58-9964 (JP, Y1) JP-A 45-21479 (JP, Y1) J. 58-10858 (JP, Y1) (58) Field surveyed (Int. Cl. ⁷ , DB name) E05D 15/06 114

Claims (1)

(57) [Claims] 1. A door roller case (1) embedded and fixed to a lower end portion of a sliding door (D), a door roller adjustment frame (40) housed in the door roller case (1) so as to be swingable in a case width direction, and A door wheel body (3) rotatably disposed in the door wheel adjusting frame (40), a door wheel adjusting frame holder (9) for restricting swinging of the door wheel adjusting frame (40), and a door wheel adjusting frame holder ( And a fixing screw (18N) for fixing the door carrier case (1) to a predetermined position of the door carrier case (1).
An adjustable door roller characterized in that a fitting groove (91) into which the side edge of (0) is loosely fitted is formed.