JPH10169294A - Upper part adjusting device for sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate position adjustment of a guide roller in the thickness direction of a sliding door by engaging an adjusting member, fitted with the guide roller, with an adjusting groove of a body case so as to be movable for adjustment in an upper part adjusting device for the sliding door. SOLUTION: A body case 1 formed of metal such as aluminium or synthetic resin is embedded in the upper end part of a sliding door D and fastened through a fitting machine screw hole 13. An adjusting member 4 formed of the same material is fitted slidably in a slip-off stop state into an adjusting groove 11 and engaging grooves 15, 15 formed at the body case 1. A guide roller 2 is rotatably fitted to the top face of the adjusting member 4, and the adjusting member 4 is fixed to the body case 1 by a screw type fixing member 3. The adjusting member 4 is therefore slided in the body case 1 to adjust the position of the guide roller 2 in the thickness direction of the sliding door D, and the fixing member 3 is tightened to fix the adjusting member 4 so as to be able to easily adjust the fitting position of the guide roller 2 to a groove G of a head jamb.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for adjusting the upper part of a sliding door (including a one-sided door, a sliding door, a sliding door, a hanging door, and the like; the same applies hereinafter), in particular, distortion of the sliding door, mounting errors of fittings, etc. In the case where a sliding occurs, a guide roller (including a “runner” in the present specification) disposed on the upper part of the sliding door is moved in the thickness direction of the sliding door to easily adjust the groove of the Kamoi or the upper rail. The present invention relates to a sliding door upper adjusting device that can be operated.

[0002]

2. Description of the Related Art Conventionally, sliding doors have upper and lower ends respectively fitted into grooves provided in a dumbbell and a sill, and are guided by the ditch and a sill to open and close. Drawer doors that open at the same time, and hanging doors that are suspended from the upper rail and move. These sliding doors, especially in the type of sliding doors whose lower end is guided by rails laid on the floor of a sill groove or floor, are subject to time-dependent distortion due to use, errors in mounting the fitting frame, etc., In some cases, the sliding door interferes with the other sliding door, the fitting frame, the pillar, and the like, so that a smooth opening and closing operation cannot be performed. For this reason, in the related art, a gap is formed between the sliding door and the other sliding door, the fitting frame, the pillar, or the like in advance by predicting the occurrence of distortion of the sliding door and mounting errors of the fittings.

[0003]

However, the gap formed between the sliding door and the other sliding door, the fitting frame, the pillar, etc.
The sliding door is set large enough to deal with the distortion of the sliding door that may occur in the future.Therefore, there are problems such as the sliding door rattling at the time of opening and closing, and a factor of deteriorating the heat insulating and airtight performance of the room. . Furthermore, distortion of sliding door more than we expected,
In the case where a fitting error of a fitting or the like occurs, there is a problem that the sliding door interferes with the other sliding door, the fitting frame, the pillar, and the like, and a smooth opening and closing operation cannot be performed.

The present invention has been made in consideration of the above-mentioned problems of the conventional sliding door, and has been developed in the case where distortion of the sliding door and mounting errors of fittings and the like occur.
To provide a sliding door upper adjusting device that can move a guide roller disposed in an upper portion of a sliding door in a thickness direction of the sliding door, and can easily and accurately adjust the groove or the upper rail of the Kamoi. Aim.

[0005]

In order to achieve the above object, an apparatus for adjusting an upper portion of a sliding door according to the present invention is characterized in that an adjusting groove having both side surfaces opened in a main body case fixed to an upper end portion of a sliding door;
An adjusting member that supports the guide roller in the adjusting groove and locks the guide roller so as to be movable and adjustable in the width direction of the main body case is provided, and a fixing member that adjusts and fixes the adjusting member is a main body case. Is disposed on the exposed surface side of. Here, the “exposed surface of the main body case” is not necessarily limited to a surface where the main body case is directly exposed to the outside, and when the main body case is fixed to the sliding door, through an adjustment hole or the like formed in the sliding door. It shall include the surface exposed to the outside.

The sliding door upper adjusting device is provided with a fixing member for adjusting and fixing an adjusting member for supporting the guide roller on the exposed surface side of the main body case. Can be easily adjusted. In addition, since the adjusting member is disposed in the adjusting groove having both sides opened in the main body case, the entire width of the main body case can be used as an adjustment allowance for the adjusting member.

In this case, the adjusting member can be provided so as to be slidable or swingable in the width direction of the adjusting groove.

Further, the engaging groove can be formed in the width direction of the adjusting groove, and the engaging portion can be formed in the engaging groove in the width direction of the adjusting member.

[0009] Thus, the adjusting member can be disposed in the adjusting groove so as not to come off. Therefore, by using the guide roller as a runner, the upper adjusting device of the sliding door can be used as it is for the hanging door. Becomes

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a sliding door upper adjusting device according to an embodiment of the present invention.

FIG. 1 shows a first embodiment of an upper adjusting device for a sliding door according to the present invention. In this embodiment, the sliding door D is buried and fixed at the upper end of the sliding door D, and is supported by a guide rail G fixed to a ditch of a Kamoi or an upper frame of the fitting frame (both not shown). In the main body case 1 of the sliding door upper adjusting device, a guide roller 2 which is fitted to a guide rail G fixed to a groove of a gate or a fitting frame to move the sliding door D in the opening and closing direction, and a sliding door D of the guide roller 2 And a screw-type fixing member for moving and adjusting the adjusting member 4 in the main body case 1 in accordance with the distortion of the sliding door D and fixing the adjusting member 4 at a predetermined position. 3
And

The main body case 1 is generally made of a metal such as aluminum or a synthetic resin, and has a size and a shape that can be embedded and fixed at the upper end of the sliding door D. An adjusting groove 11 having an upper surface and both side surfaces on which the member 4 is provided is formed in the width direction of the main body case 1, and the main body case 1 is provided with a sliding door
Drill a mounting screw hole 13 for mounting on
When the main body case 1 is embedded and fixed at the upper end of the sliding door D, the insertion hole 12 of the fixing member 3 having a long hole shape in the width direction is formed on the exposed surface 10 facing the outside so as to communicate with the adjustment groove 11. To form

[0013] Engaging grooves 15, 15 are formed in the width direction in the opposing inner surfaces 14, 14 of the adjusting groove 11.
The engagement groove 15 is formed so that the engagement portion 41 formed in the lateral width direction of the adjustment member 4 can be fitted therein, whereby the adjustment member 4 is disposed in the adjustment groove 11 so as not to come off. Be able to do it. That is, in the present embodiment, as shown in FIG.
Dovetail-shaped engagement portions 4 formed on the adjustment member 4 in the engagement grooves 15.
1 prevents the adjustment member 4 from being pulled out of the main body case 1 in the vertical direction. By forming the engaging groove 15 in a dovetail shape as described above, when the upper adjusting device of the sliding door is used for a hanging door, even if the weight of the hanging door is applied to the upper adjusting device, the engaging groove 15 is formed. The length L of the engagement groove 15 does not increase due to the action of the dovetail-shaped engagement portion 41 formed on the adjustment member 4 fitted in the adjustment member 4, and therefore, the support strength of the upper adjustment device can be improved. Becomes

The shape of the engaging groove 15 is such that the engaging member 41 formed on the adjusting member 4 can be formed as long as the purpose of disposing the adjusting member 4 in the adjusting groove 11 in the retaining groove can be achieved. The position at which the engaging groove 15 is formed is not particularly limited, and the inner surfaces 14, 1 of the adjusting groove 11 are opposed to each other.
In addition to the four sides, only one of them may be used. However, when this sliding door upper adjustment device is used for a hanging door, it is necessary to have a strength capable of supporting the weight of the hanging door.

FIGS. 2A to 2D show modified examples of the engaging groove 15 and the engaging portion 41. FIG.
15 is formed by dividing the upper and lower parts of FIG.
The engagement grooves 15, 15 on one inner surface 14 of the adjustment groove 11.
Is formed in a dovetail shape on the other side, and is formed vertically on the other inner side surface 14.
5 is formed at the bottom of the adjustment groove 11, and FIG.
(D) is one in which the engaging grooves 15, 15 are formed in a curved surface shape. In particular, as shown in FIG. 2 (D), by forming the engagement grooves 15 and 15 into a curved shape, it is possible to make the upper adjustment device excellent in design.

The adjusting member 4 is made of a metal such as aluminum or a synthetic resin, like the main body case 1, and is inserted into the adjusting groove 11 of the main body case 1 in the engaging groove 15 of the adjusting groove 11. While fitting the engaging portion 41 formed in the direction,
The main body case 1 is arranged so as to be inserted horizontally from the side. Thus, the styling member 4 is slidably movable in the width direction of the main body case 1 and is arranged so as not to come off the main body case 1.

On the top surface of the adjusting member 4, a screw hole 43 for fixing a roller shaft 21 for rotatably supporting the guide roller 2 is formed.
1 is screwed and attached so that the roller shaft 21 does not come off from the adjustment member 4 even when a vertical pulling force is applied to the roller shaft 21. In order to prevent the roller shaft 21 from loosening naturally when the sliding door is opened and closed, the roller shaft 21 is integrally formed with a polygonal loosening portion 21a on a part thereof, and on the adjustment member 4 side, An elastic loosening piece (not shown) is provided on the outer surface of the loosening portion 21a to abut against a required pressure. This slack piece is formed of a leaf spring, a piano wire, or the like, and is attached to the adjusting member 4 like the slack piece 44 of the third embodiment of the sliding door upper adjusting device of the present invention shown in FIGS. They may be formed integrally.

A screw hole 42 is formed on the side surface of the adjusting member 4, that is, on the exposed surface 10 side of the main body case 1, and the screw-shaped fixing member 3 inserted into the insertion hole 12 of the fixing member 3 is screwed. To Thereby, the exposed surface 10 of the main body case 1 is
By rotating the fixing member 3 with a screwdriver or a hexagon wrench from the side, the adjustment member 4 can be slid from the outside with the sliding door installed, and the movement of the guide roller 2 can be adjusted.

The width w of the adjusting member 4 is smaller than the width W of the main body case 1. The difference between the two widths W and w is the maximum adjustment width when the adjustment member 4 disposed in the adjustment groove 11 of the main body case 1 is adjusted in the width direction of the main body case 1 due to distortion of the sliding door D or the like. In general, it is sufficient that the adjustment width is about 2 to 3 mm. Therefore, the width of the adjustment member 4 is set to be smaller than the width W of the main body case 1 by 2 to 3 mm. To Note that the length of the adjusting member 3 is set to be equal to the length L of the adjusting groove 11 of the main body case 1 so that the adjusting member 3 can smoothly slide in the lateral width direction without rattling in the adjusting groove 11. It is formed so as to be substantially equal.

Next, a description will be given of a method of adjusting the upper adjusting device for the sliding door according to the first embodiment thus constituted. By rotating the fixing member 3 slightly with a screwdriver,
The adjustment member 4 is movable in the width direction of the main body case 1. In this state, the sliding door D is moved in the thickness direction to adjust the sliding door D to an appropriate position in accordance with the distortion or the like, and then the fixing member 3 is tightened again to fix the adjusting member 4 to the main body case 1. This makes it possible to absorb the distortion and the like of the sliding door D and make adjustments so that the sliding door D can always be moved smoothly.

3 and 4 show a second embodiment of the sliding door upper adjusting device according to the present invention. In addition, in the following embodiments, particularly, the configuration of members and the like that are not described can adopt basically the same configuration as that of the first embodiment.
In this embodiment, the main body case 1 and the adjustment member 4 are formed of a metal such as aluminum or a synthetic resin, as in the first embodiment. As shown in FIG. 4, an adjustment groove 11 having both ends opened is formed in the main body case 1 in the width direction of the main body case 1, and the main body case 1 is attached to a sliding door (hanging door) D below the adjustment groove 11. When a mounting screw hole 13 for mounting is formed, and the main body case 1 is buried and fixed at the upper end of the sliding door D, a female screw is formed on the exposed surface 10 facing the outside so as to communicate with the adjustment groove 11. Hole 1 of fixing member 3 shaped like
Form 2

Then, engaging grooves 15, 15 are formed in the widthwise direction on the inner surfaces 14, 14 of the adjusting grooves 11 facing each other.
The engagement groove 15 is formed so that the engagement portion 41 formed in the lateral width direction of the adjustment member 4 can be fitted therein, whereby the adjustment member 4 is disposed in the adjustment groove 11 so as not to come off. Be able to do it.

On the top surface of the adjusting member 4, there is formed a screw hole 43 for fixing the runner shaft 21 supporting the runner R, and the screw-shaped runner shaft 21 is screwed into this. Thus, even if a vertical pull-out force is applied to the runner shaft 21, the runner single shaft 21 is prevented from falling out of the adjustment member 4. In order to prevent the runner shaft 21 from loosening naturally when the sliding door is opened and closed, the runner shaft 21 is integrally formed with a polygonal slack portion 21a on a part thereof. An elastic loosening piece (not shown) is provided on the outer surface of the loosening portion 21a to abut against a required pressure.

A set screw shape is formed by integrally forming a saw tooth shape or a rack shape tooth shape 45 on the side surface of the adjusting member 4, that is, the surface on the exposed surface 10 side of the main body case 1, and screwing into the insertion hole 12 of the main body case 1. Of the fixing member 3 is meshed with each other.

Next, a description will be given of a method of adjusting the upper adjusting device for the sliding door according to the second embodiment having the above-described configuration. When the set screw as the fixing member 3 is rotated and loosened by a screwdriver, the pressing force of the set screw against the adjustment member 4 is released, and the tip of the set screw is moved to the adjustment member 4.
When the adjustment member 4 is separated from the tooth shape 45 of the
Can be moved in the width direction. In this state, the sliding door D is moved in the thickness direction to adjust the sliding door D to an appropriate position in accordance with the distortion or the like, and then the fixing member 3 is tightened again to fix the adjusting member 4 to the main body case 1. This makes it possible to absorb the distortion and the like of the sliding door D and make adjustments so that the sliding door D can always be moved smoothly.

FIGS. 5 and 6 show a third embodiment of the sliding door upper adjusting device according to the present invention. In this embodiment, the main body case 1 and the adjustment member 4 are formed of a metal such as aluminum or a synthetic resin, as in the first embodiment.

In the present embodiment, the engaging groove 41 of the adjusting member 4 is formed in a hook shape, and the engaging portion 41 formed in the width direction of the adjusting member 4 is fitted into the engaging groove 41.
The adjustment member 4 can be disposed in the adjustment groove 11 so as to be prevented from falling off.

In this case, the type of the fixing member 3 for fixing the adjusting member 4 to the main body case 1 is a screw type as in the first embodiment, and a set screw type as in the second embodiment. It can also be.

On the top surface of the adjusting member 4, a screw hole 43 for fixing a roller shaft (not shown) for rotatably supporting the guide roller 2 is formed. The shaft is screwed and attached so that the roller shaft does not fall out of the adjustment member 4 even when a vertical pulling force is applied to the roller shaft. In order to prevent the roller shaft from loosening naturally when opening and closing the sliding door, a polygonal loosening portion (not shown) is integrally formed on a part of the roller shaft, and the roller member is provided on the adjustment member 4 side. Is formed integrally with an elastic relaxation piece 44 which comes into contact with the outer surface of the relaxation portion at a required pressure.

The adjustment of the upper adjusting device for the sliding door of the third embodiment can be adjusted by the same method as the adjusting method of the upper adjusting device of the sliding door of the first or second embodiment.

FIG. 7 shows a fourth embodiment of the sliding door upper adjusting device according to the present invention. In this embodiment, the main body case 1 and the adjustment member 4 are formed of a metal such as aluminum or a synthetic resin, as in the first embodiment. In the main body case 1, an adjusting groove 11 having an opening on both sides is formed in the width direction of the main body case 1, and the main body case 1 is attached to a sliding door (hanging door) D at an upper position of the main body case 1. When the flange 16 having the mounting screw hole 13 formed therein is protruded, and the main body case 1 is buried and fixed at the upper end of the sliding door D, it communicates with the adjustment groove 11 on the exposed surface 10 facing the outside. Then, the insertion hole 12 of the female screw-shaped fixing member 3 is formed.

Then, engagement grooves 15 are formed in the bottom of the adjustment groove 11 in the width direction. The engagement groove 15 is formed so that the engagement portion 41 formed in the lateral width direction of the adjustment member 4 can be fitted therein, whereby the adjustment member 4 is disposed in the adjustment groove 11 so as not to come off. Be able to do it.

A runner shaft 21 supporting the runner R is mounted on the top surface of the adjusting member 4 so that the runner shaft 21 does not come off from the adjusting member 4 even when a vertical pull-out force is applied to the runner shaft 21. In order to prevent the runner shaft 21 from loosening naturally when the sliding door is opened and closed, a polygonal slack portion (not shown) is formed integrally with the runner shaft 21 as necessary. On the adjusting member 4 side, an elastic relaxation piece (not shown) can be provided which comes into contact with the outer surface of the relaxation part at a required pressure.

A set-screw shape in which a sawtooth-shaped or rack-shaped tooth 45 is integrally formed on the side surface of the adjusting member 4, that is, the surface on the exposed surface 10 side of the main body case 1, and screwed into the insertion hole 12 of the main body case 1 Of the fixing member 3 is meshed with each other.

Next, a description will be given of a method of adjusting the upper adjusting device for a sliding door according to the fourth embodiment having the above-described structure. When the set screw as the fixing member 3 is rotated and loosened by a driver through the adjustment hole D1 formed in the sliding door D, the pressing force of the set screw against the adjustment member 4 is released, and the tip of the set screw is adjusted by the adjustment member. When the adjustment member 4 is separated from the tooth form 45 of the fourth case 4, the adjustment member 4 can move in the width direction of the main body case 1. In this state, the sliding door D is moved in the thickness direction to adjust the sliding door D to an appropriate position in accordance with the distortion or the like, and then the fixing member 3 is tightened again to fix the adjusting member 4 to the main body case 1. This makes it possible to absorb the distortion and the like of the sliding door D and make adjustments so that the sliding door D can always be moved smoothly.

FIGS. 11 to 13 show a fifth embodiment of a sliding door upper adjusting device according to the present invention. In this embodiment, the main body case 1 is formed of the same material as that of the other embodiments, and has a U-shape in which both the upper surface and both side surfaces are opened. An adjusting member 4, which rotatably supports the guide roller 2 at the top, is fitted into the groove 11 so as to be movable and adjustable in the width direction of the main body case 1. The adjusting member 4 is provided with a means for restricting swinging so as not to swing greatly in three axial directions (X, Y, Z) when the sliding door is moved or the adjusting member is adjusted, and the fixing member 3 is loosened. When the adjustment member 4 is moved and adjusted in the first place, a means for reducing frictional resistance with the front wall is provided.

That is, the engaging groove 15a is formed on the inner bottom surface of the adjusting groove 11 and the engaging groove 15b is formed on the inner surface of the rear wall 18B in the width direction of the main body case 1, respectively. A mounting screw hole 1 is provided in the lower part of the main body case 1.
3. An insertion hole 12 of the fixing member 3 is formed in an upper portion of the front wall 18, and a vertical saw-tooth shape or a rack-shaped tooth shape 18c is formed on the inner surface of the front wall 18.

The adjusting member 4 has a longitudinal saw-tooth or rack-shaped tooth 45 formed on the front surface thereof so as to be able to engage with the tooth shape 18c. Is a ridge-shaped engaging portion 41a fitted into the engaging groove 15a.
On the back surface, an engaging portion 41b having a ridge shape to be fitted into the engaging groove 15b is formed, and a screw hole 42 penetrating in the front-rear direction is formed in the center portion. Are formed at the upper and lower positions or at either one of them, and a spring 4e as a separating member and a ball 4f are inserted into each of the recesses 4d, and the ball 4f is biased by the spring 4e. Thus, the main body case 1 is configured to be in contact with the inner surface of the front wall 18.

The depth D of the adjusting groove 11 of the main body case 1 is formed substantially equal to the height H of the adjusting member 4, and the width X between the front and rear walls thereof is larger than the length X0 of the adjusting member 4 in the front-rear direction. The engagement portion 41a is formed to be slightly smaller, and the thickness t1 of the engagement portion 41a projecting from the lower surface is smaller than the width t2 of the engagement groove 15a.
The relationship between the thickness t1 of the engaging portion 41a and the width t2 of the engaging groove 15a is such that the fixing member 3 is loosened to release the engagement state between the tooth profile 18c of the main body case 1 and the tooth profile 45 of the adjusting member 4, and the adjusting member 4
Is determined so that it can be moved and adjusted in the width direction of the main body case 1. The width of the engagement groove 15b in the vertical direction is determined such that when the engagement portion 41b is fitted, the adjustment member 4 moves smoothly in the front-rear direction of the main body case 1 and does not move in the vertical direction. With the engagement groove 15b
The engagement portion 4 is adjusted in accordance with the movement of the adjustment member 4 in the front-rear direction.
The protrusion amount t of the engagement portion 41b is set so that the engagement portion 41b can move.
3 and the depth t4 of the engagement groove 15b in the front-rear direction.

Next, a description will be given of a method of adjusting the sliding door upper adjusting device according to the fifth embodiment having the above-described structure. When the screw as the fixing member 3 is loosened, the tooth shape 18 of the main body case 1 is removed.
c and the tooth shape 45 of the adjustment member 4 are released, and the balls 4f are separated from each other by the action of the ball 4f abutting against the inner surface of the front wall 18 of the main body case 1 by the urging force of the spring 4e. In this state, the sliding door D is moved in the thickness direction and the sliding door D is moved.
After adjusting to the appropriate position according to the distortion of the
The adjustment member 4 is fixed to the main body case 1 by retightening the screw. In addition, when the adjusting member 4 is moved and adjusted by loosening the fixing member 3, a means for reducing the frictional resistance with the front wall is provided, so that the adjusting member 4 can be moved smoothly. This makes it possible to absorb the distortion and the like of the sliding door D and make adjustments so that the sliding door D can always be moved smoothly.

FIG. 11 shows a modification of the sliding door upper adjusting device of the fifth embodiment. In this embodiment, the adjusting member 4 is inserted into the adjusting groove 11 formed in the main body case 1 and the front wall 18 is inserted.
A tooth profile 18a is formed on the inner surface of the main body case 1 and a tooth profile 45 is formed on the outer surface of the adjusting member 4. The adjusting member 4 is loosely fitted in the adjusting groove 11 of the main body case 1 and a screw as the fixing member 3 is inserted into the insertion hole. 12 and screwed into a screw hole 42 formed in the adjusting member 4 to engage the tooth form 18a of the main body case 1 with the tooth form 45 of the adjusting member 4 to thereby adjust the adjusting member 4 to the main body case 1.
Is fixed at a predetermined position in the inside.

Next, a description will be given of an adjusting method of the present modified example configured as described above. When the screw as the fixing member 3 is loosened, the tooth profile 18a of the main body case 1 and the tooth profile 4 of the adjusting member 4 are removed.
5 is released. In this state, the sliding door D is moved in the thickness direction to adjust the sliding door D to an appropriate position in accordance with the distortion and the like, and then the screw as the fixing member 3 is tightened again to fix the adjusting member 4 to the main body case 1. This makes it possible to absorb the distortion and the like of the sliding door D and make adjustments so that the sliding door D can always be moved smoothly.

12 to 14 show a sixth embodiment of the sliding door upper adjusting device according to the present invention. First Embodiment to Fifth Embodiment
In the embodiment, the position of the adjusting member 4 can be adjusted by sliding the adjusting member 4 in the lateral width direction with respect to the main body case 1, whereas in the present embodiment, the adjusting member 4 is adjusted. 4 is configured to swing and move about a support shaft 4P. In the present embodiment, the main body case 1 and the adjusting member 4 are formed of a metal such as aluminum or a synthetic resin, and the center portion of the main body case 1 has an opening on both sides, as in the first embodiment. The groove 11 is formed in the width direction of the main body case 1, and a front wall 18 and a boss 19 are formed to face each other with the adjustment groove 11 interposed therebetween in a longitudinal direction orthogonal to the groove 11. And this front wall 18
On the side of the exposed surface 10 facing the outside, a groove 18b for inserting a head of the fixing member 3 when a cord as the fixing member 3 is inserted into the insertion hole 12 is formed. Is formed into a circular arc-shaped convex curved surface centered on the shaft hole 19a, thereby forming the groove 18a.
When the fixing member 3 inserted into the horizontally long hole-shaped insertion hole 12 formed in the vertical inner surface 18a of the b is moved along the insertion hole 12, the head of the fixing member 3 is moved outside the groove 18b. Without protruding, and the fixing member 3 is located on a straight line passing through the shaft hole 19a at any position in the insertion hole 12,
The supporting shaft 4P is supported.

The inner surface 18c of the front wall 18 is formed in a circular arc-shaped concave surface centered on the support hole 19a, similarly to the inner surface 18a of the groove 18b.

Then, a boss 19 is formed so as to face the inner surface 18c of the front wall 18 with the adjustment groove 11 interposed therebetween. The boss 19 protrudes above the inner bottom surface of the adjustment groove 11, is formed lower than the top surface of the front wall 18, and has a support hole 19 a perpendicular to the top surface of the boss portion 19. Set up. The support hole 19a is formed into a short hole into which the support shaft 4P protruding from the lower surface of the adjusting member 4 can be inserted and a long hole having a longer diameter than the short hole, whereby the support hole 19a is inserted into the support hole 19a. The support shaft 4P is movable in the front-rear direction in the support hole 19a.

The front face of the front wall 18 of the main body case 1 has a hole 13 and a groove 18b formed in the main body case 1 and a decorative cover so as to cover the head of the fixing member 3 inserted into the groove 18b. 5 is provided. In the present embodiment, a locking hole (not shown) formed on the back surface of the decorative cover 5 is provided with a projection 1 formed on the main body case 1 for positioning and locking.
By fitting to P, the makeup cover 5 is mounted. Note that a projection may be formed on the back surface of the decorative cover 5 and a locking hole may be formed on the main body case 1.

The adjusting member 4 has a width smaller than the width of the main body case 1 and a length that can be inserted into the adjusting groove 11, and a boss portion 48 is integrally formed at one end thereof.
The support shaft 4P is formed on the lower surface 47 of the main body case 1, and the support shaft 4P is inserted into the support shaft hole 19a formed in the boss 19 of the main body case 1. A roller shaft 21 for supporting the guide roller 2 protrudes from an upper surface of the adjusting member 4. Further, a front surface 49 of the adjusting member 4 is formed on a concave curved surface of an inner surface 18 c of the front wall 18 of the main body case 1. A screw hole 42 is formed on the front surface 49 toward the boss 48 so as to extend along the curved surface.

Next, a description will be given of a method of adjusting the upper adjusting device for a sliding door according to the sixth embodiment having the above-described structure. When the decorative cover 5 is removed and the screw as the fixing member 3 is turned and loosened by a screwdriver, the contact between the front surface 49 of the adjusting member 4 and the inner surface 18c of the front wall 18 of the main body case 1 is released, and the adjustment is performed. The member 4 is swingable in the width direction of the support shaft 4P in the adjustment groove 11 of the main body case 1 around the support shaft 4P. When the sliding door D is moved in the thickness direction in this state, the adjustment member 4 swings in the width direction around the support shaft 4P. After adjusting to a proper position according to the distortion of the sliding door D in this way, the fixing member 3 is tightened again to abut and fix the front surface 49 of the adjusting member 4 to the inner side surface 18c of the front wall 18 of the main body case 1. , Put on a makeup cover. This makes it possible to absorb the distortion and the like of the sliding door D and make adjustments so that the sliding door D can always be moved smoothly.

FIG. 15 shows a seventh embodiment of the sliding door upper adjusting device according to the present invention. In this embodiment, the main body case 1
In the center part, an adjusting groove 11 having both side surfaces opened is formed in the width direction of the main body case 1, and a long hole-shaped insertion hole 12 elongated in the width direction is formed in the front wall 18. At the lower position, a mounting screw hole 13 for mounting to a sliding door is formed, and a saw tooth shape or a rack shape tooth shape 18 a is formed on the inner surface of the front wall 18. The adjustment member 4 inserted into the adjustment groove 11 of the main body case 1 has a width smaller than the lateral width of the front wall 18 by an adjustment margin, and when inserted into the adjustment groove 11, the insertion hole 12 of the fixing member 3 Screw hole 4 at the position facing
2, and a tooth profile (projection) 45 meshing with the tooth profile 18a formed on the inner surface of the front wall 18 is formed at the position facing the tooth profile 18a.
The shaft insertion hole 4i of the roller shaft 21 and the elongated shaft hole 4g long in the longitudinal direction of the adjustment member 4 are formed. The roller shaft 21 of the guide roller 2 is inserted into the shaft insertion hole 4i.
And the support shaft 4p is inserted into the support shaft hole 4g. Then, the adjustment member 4 having the guide roller 2 is inserted into the adjustment groove 11 of the main body case 1, and the support shaft 4 p penetrates into the support hole 1 h formed on the inner bottom surface of the main body case 1 to swing the adjustment member 4. It is movably disposed, a screw as the fixing member 3 is inserted into the insertion hole 12 and screwed into the screw hole 42 to form the tooth profile 18a.
The adjustment member 4 is fixed at a predetermined position in the main body case 1.

Next, a description will be given of an adjusting method of the upper adjusting device for the sliding door according to the seventh embodiment constructed as described above. The screw as the fixing member 3 is rotated and loosened, and the tooth profile 18a and the tooth profile 4
5 is disengaged, and the adjusting groove 11 of the main body case 1 is released.
The main body case 1 includes an adjustment member 4 and a support shaft 4p as a fulcrum.
Of the tooth profile 18a
The adjustment member 4 is fixed at a predetermined position in the main body case l. Thereby, the guide roller 2
The adjustment member 4 is moved by a distance corresponding to the swing amount of the position of the shaft insertion hole 4i, absorbs distortion of the sliding door, mounting errors of fittings and the like, and adjusts so that the sliding door can always be moved smoothly. be able to.

FIG. 16 shows a modification of the sliding door upper adjusting device of the seventh embodiment. This embodiment is basically the same as the seventh embodiment in that the adjustment member 4 to which the support shaft 21 of the guide roller 2 is fixed is swingably inserted into the adjustment groove 11 of the main body case 1. And the fixing member 3
A circular insertion hole 12a is formed, and a screw hole 4
A long slot-like guide hole 42c is formed in place of 2 and the fixing member 3 is constituted by a disk-shaped rotating body 34 inserted along the inner surface of the front wall 18 of the main body case 1. Things. The rotating body 34 has a recess 34h for preventing rotation on its outer peripheral surface, and the operation cylinder 3 is formed on one side surface.
4g, a locking pin 34p is projected from the other side, and the locking pin 34p is fitted into a guide hole 42c formed in the adjustment member 4, and the operation cylinder 34g is inserted into the insertion hole 12a. It is. A pin 1p inserted into a lock 34h for preventing rotation of the rotating body 34 is provided in the main body case 1.
And a spring mechanism 1s for urging the pin 1p.

Next, a description will be given of an adjusting method of the present modified example configured as described above. By rotating the fixing member 3, that is, the rotating body 34, the locking pin 34 of the rotating body 34
The adjusting member 4 having the guide hole 42c in which the locking pin 34p is fitted is swung in the width direction of the main body case 1 around the support shaft 4p in accordance with the movement of the locking pin 34p. As a result, the guide roller 2
Can be moved by a distance corresponding to the amount of swing of the position of the shaft insertion hole 4i to absorb distortion of the sliding door, mounting errors of fittings and the like. This absorbs the distortion of the sliding door D, etc.
Can be adjusted so that it can always move smoothly.

FIG. 17A shows an eighth embodiment of the sliding door upper adjusting device according to the present invention. In this embodiment, the basic configuration of the main body case 1 has the same shape as that of the seventh embodiment, that is, an adjustment groove 11 having an open upper surface and both side surfaces is formed in a central portion, and this front wall 18 has An elongated operation hole 12 extending in the width direction, through which a lever piece 41 as a fixing member 3 is inserted.
In addition, a mounting screw hole 13 for mounting to a sliding door is formed in a lower position, and a tooth shape 18 a is formed in an inner surface of the front wall 18. The adjustment member 4 has a width smaller than the width of the front wall 18 by an adjustment allowance, and forms a tooth profile 45 that meshes with the tooth profile 18a at a position facing the tooth profile 18a. Shaft insertion hole 4 of roller shaft 21
A long support shaft hole 4g is formed in the longitudinal direction of the adjustment member 1 and the adjustment member 4. Further, an operation hole 12 is provided on the front surface of the adjustment member 4.
A lever piece 41 provided to contribute to d is protruded. A roller shaft 21 having a guide roller is inserted and fixed in the shaft hole 4i, a support shaft 4p is inserted through the support shaft hole 4g, and fitted into a support shaft hole 1h formed in the main body case 1. And fix it. A spring member 4 that inserts the adjustment member 4 into the adjustment groove 11 of the main body case 1 while inserting the lever piece 41 into the operation hole 12d and urges the adjustment member 4 toward the operation hole 12d.
s is disposed between the adjustment member 4 and the inner surface of the insertion hole 1 on the side opposite to the side on which the lever piece 41 protrudes, so that the opposed tooth forms 18a and 45 are engaged with each other, and To a predetermined position in the box.

Next, a description will be given of a method of adjusting the upper adjusting device for a sliding door according to the eighth embodiment having the above-described structure. By operating the lever piece 41 as the fixing member 3 with a finger or the like, the adjusting member 4 is moved against the urging force of the spring member 4s, and the engagement between the tooth profile 18a and the tooth profile 45 is released. After the adjustment member 4 is swung in the lateral width direction of the main body case 1 with the support shaft 4p as a fulcrum in 1, the operation of the lever piece 41 is released to mesh the tooth form 18a and the tooth form 45, and the adjustment member 4 is moved. It is fixed at a predetermined position in the main body case 1. Accordingly, the guide roller 2 moves by a distance corresponding to the swing amount of the position of the shaft insertion hole 4i of the adjustment member 4, absorbs the distortion of the sliding door D, and can always move the sliding door D smoothly. Can be adjusted as follows.

FIG. 17B shows a modification of the sliding door upper adjusting device of the eighth embodiment. In this modification, as a mechanism for swingably supporting the adjusting member 4 in the adjusting groove 11 of the main body case 1, a shaft hole 4 g formed in the adjusting member 4 according to the eighth embodiment is formed in the main body case 1. Instead of inserting the support shaft 4p fixed to the provided support hole 1h, a narrow support piece 4k formed at the end of the adjustment member 4 is replaced with a support groove 18d formed in the rear wall 18B of the main body case 1. Can be adopted.

FIG. 18 shows a ninth embodiment of the sliding door upper adjusting device according to the present invention. In the present embodiment, the bottom surface of the adjustment groove 11 for inserting the adjustment member 4 formed in the main body case 1 is stepped as shown in the figure, and an operation hole 12e through which a lever piece as a fixing member 3 described later is inserted is formed. The front wall side bottom portion to be formed is formed to be deep, and an operation hole 12e is formed so as to face the front wall inner bottom surface. The adjustment member 4 inserted into the adjustment groove 11 of the main body case 1 has a width smaller than the width of the front wall 18 by an adjustment margin, and the shaft insertion of the roller shaft 21 of the guide roller 2 in the vertical direction. Hole 4i and adjustment member 4
A hole 4g in the form of a long hole extending in the longitudinal direction is formed, and a vertical piece 4m is integrally formed below the side end of the shaft insertion hole 4i, and a tooth shape 45 is formed on the inner surface of the vertical piece 4m. I do. From the inside of the vertical piece 4m of the adjustment member 4 to the operation hole 12e formed in the main body case 1, the lever piece 3 as the fixing member 3
8 is extended. The lever piece 38 is inserted facing the hanging piece 4m of the adjustment member 4, and has a body case 1
An operation piece 38a to be inserted into the operation hole 12e formed in the above is protruded, and a tooth shape 38c meshing with the tooth shape 45 is formed on a surface facing the hanging piece 4m. When the lever piece 38 is disposed at the bottom of the adjustment groove 11 of the main body case 1, the spring member 38b for urging the lever piece 38 toward the operation hole 12e is moved to the operation hole 12e.
By disposing between the inner surface of the insertion hole on the side opposite to e and the lever piece 38, the tooth profile 38c formed on the lever piece 38 and the tooth profile 45 formed on the inner surface of the vertical piece 4m of the adjusting member 4 are engaged. The member 4 is fixed at a predetermined position in the main body case l.

Next, a description will be given of a method of adjusting the upper adjusting device for a sliding door according to the ninth embodiment having the above-described structure. By operating the operation piece 38a of the lever piece 38 as the fixing member 3,
The lever member 38 is moved against the urging force of the spring member 38b, and the engagement between the tooth profile 38c and the tooth profile 45 is released, and the adjusting member 4 is moved inside the main body case 1 using the support shaft 4p as a fulcrum. After swinging in the width direction of the case 1, the operation of the operation piece 38 a of the lever piece 38 is released to engage the tooth profile 38 c with the tooth profile 45, and the adjustment member 4 is fixed at a predetermined position in the main body case 1. Accordingly, the guide roller 2 moves by a distance corresponding to the swing amount of the position of the shaft insertion hole 4g of the adjustment member 4, absorbs the distortion of the sliding door D, and can always move the sliding door D smoothly. Can be adjusted as follows.

FIG. 19 shows a tenth embodiment of the sliding door upper adjusting device of the present invention. In this embodiment, the main body case 1
In the same manner as in the tenth embodiment, a support shaft 18p is protruded from the bottom on the shallow side, and a set screw as a fixing member 3 is provided on the front wall of the deep bottom. And a screw hole 13 for screwing to a sliding door at a position below the screw hole 12. The adjusting member 4 has a lower surface in a stepped shape according to the shape of the adjusting groove 11, and a support shaft hole 4 g is provided on the rear side, and a shaft insertion hole of the roller shaft 21 of the guide roller 2 is formed on the front end side. At the same time, the tip side face is formed in an arc shape, and the tooth shape 45 is formed. When this is inserted into the adjustment groove 11 of the main body case 1, the support shaft 4 p is inserted into the support shaft hole 4 g, and the tip of the set screw which is screwed into the screw hole 12 is attached to the adjustment member 4. The adjustment member 4 is fixed to a predetermined position in the main body case 1 by being fitted to any one of the tooth shapes 45 of the main body 1.

Next, a description will be given of a method of adjusting the upper adjusting device for a sliding door according to the tenth embodiment having such a configuration. By loosening the set screw as the fixing member 3,
In a state in which the fixing of the adjusting member 4 by fitting the tip of the set screw to the tooth shape 45 of the adjusting member 4 is released, the adjusting member 4 is adjusted in the adjusting hole 11 of the main body case 1 using the support shaft 4p as a fulcrum. After swinging in the width direction of (1), the adjusting screw is tightened, and the tip of the adjusting screw is connected to the tooth shape 4 of the adjusting member 4.
5 and the adjustment member 4 is adjusted to the adjustment hole 11 of the main body case 1.
To be fixed at a predetermined position in the inside. As a result, the guide roller 2 moves by a distance corresponding to the swing amount of the tip of the adjusting member 4, absorbs distortion of the sliding door, mounting errors of fittings and the like, and can always move the sliding door smoothly. Can be adjusted.

[0060]

According to the upper adjusting device for a sliding door of the present invention,
The distortion of the sliding door, mounting errors of fittings, etc. can be easily adjusted, and the sliding door can be adjusted so that it can always move smoothly, and formed between the sliding door and the other sliding door, fitting frame, pillar, etc. It is not necessary to set the gap to be large enough to cope with the distortion of the sliding door that may occur in the future, so that the sliding door may rattle when the sliding door is opened and closed due to the gap, and the indoor insulation and airtight performance Can be solved. Further, by disposing a fixing member for adjusting and fixing the adjusting member supporting the guide roller on the exposed surface side of the main body case, it is possible to easily adjust the movement of the guide roller from the outside with the sliding door installed. it can. In addition, since the adjusting member is arranged in the adjusting groove having the both sides opened in the main body case, the entire width of the main body case can be used as an adjustment allowance for the adjusting member. On the other hand, a large adjustment margin can be taken, the width of the main body case can be made small, and the present invention can be applied to a sliding door having a small thickness.

Further, by forming an engaging groove in the width direction of the adjusting groove and forming an engaging portion to be fitted in the engaging groove in the width direction of the adjusting member, the adjusting member is prevented from falling into the adjusting groove. Therefore, by using the guide roller as a runner, the upper adjusting device of the sliding door can be used as it is for the suspension door.

[Brief description of the drawings]

1A and 1B show a first embodiment of a sliding door upper adjustment device of the present invention, wherein FIG. 1A is a front sectional view, FIG. 1B is a side view, and FIG. 1C is an exploded perspective view.

FIG. 2 is an exploded perspective view of a modification of the first embodiment of the sliding door upper adjustment device of the present invention.

3A and 3B show a second embodiment of a sliding door upper adjusting device according to the present invention, wherein FIG. 3A is a front sectional view and FIG. 3B is a side view.

FIG. 4 is an exploded perspective view of the same.

5A and 5B show an adjusting member of a third embodiment of an upper adjusting device for a sliding door according to the present invention, wherein FIG. 5A is a front sectional view and FIG. 5B is a plan view.

FIG. 6 is a perspective view of the main body case and the adjustment member.

7A and 7B show a fourth embodiment of the upper adjustment device for a sliding door according to the present invention, wherein FIG. 7A is a front sectional view, FIG. 7B is a side view, and FIG. .

8A and 8B show a fifth embodiment of a sliding door upper adjusting device according to the present invention, wherein FIG. 8A is a front sectional view, FIG. 8B is a side view, and FIG.

9A and 9B show the main body case, FIG. 9A is a front view, and FIG.
Is a side view, and (C) is a plan view.

10A and 10B show the adjusting member, FIG. 10A is a front view, and FIG.
Is a side view, and (C) is a plan view.

FIG. 11 is an exploded perspective view showing a modification of the fifth embodiment of the sliding door upper adjustment device of the present invention.

FIG. 12 is an exploded perspective view showing a sixth embodiment of the upper adjustment device for a sliding door of the present invention.

FIG. 13 shows the main body case, where (A) is a front view,
(B) is a plan view, and (C) is a side view.

14A and 14B show the adjustment member, wherein FIG. 14A is a front view and FIG.
Is a plan view, and (C) is a side view.

FIG. 15 is an exploded perspective view showing a seventh embodiment of the upper adjustment device for a sliding door of the present invention.

16A and 16B show a modification of the seventh embodiment of the sliding door upper adjustment device of the present invention, wherein FIG. 16A is an exploded perspective view, FIG. 16B is a plan view, and FIG. 16C is a side view.

17A and 17B are an exploded perspective view and an exploded perspective view showing a modification of the sliding door upper adjusting device according to the eighth embodiment of the present invention.

FIG. 18 is an exploded perspective view showing a ninth embodiment of the upper adjustment device for a sliding door of the present invention.

FIG. 19 is an exploded perspective view showing a tenth embodiment of the upper adjustment device for a sliding door of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body case 10 Exposed surface 11 Adjustment groove 14 Engagement part 15 Engagement groove 18 Front wall 18a Tooth shape 19 Boss part 2 Guide roller 21 Roller shaft (runner shaft) 3 Fixing member 4 Adjusting member 41 Engaging part 45 Tooth shape D Sliding door R runner

Claims (4)

[Claims] An adjusting groove (11) having both sides opened is formed in a main body case (1) fixed to an upper end portion of a sliding door (D),
An adjusting member (4) for supporting the guide roller (2) in the adjustment groove (11) and locking the guide roller (2) so as to be movable in the width direction of the main body case (1) is provided. And a fixing member (3) for adjusting and fixing the adjusting member (4) is disposed on the exposed surface (10) side of the main body case (1). 2. The upper adjusting device for a sliding door according to claim 1, wherein the adjusting member is disposed so as to be slidable in the width direction of the adjusting groove. 3. An engaging groove (1) extending in a width direction of the adjusting groove (11).
3. An upper adjusting device for a sliding door according to claim 2, wherein said engaging portion is formed in said engaging groove in a width direction of said adjusting member. . 4. The upper adjusting device for a sliding door according to claim 1, wherein the adjusting member is disposed so as to be swingable in a width direction of the adjusting groove.