JP3420557B2 - Door wheel that can be adjusted vertically and widthwise - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door wheel that can be adjusted in the vertical and width directions, and more particularly to a sliding door (including a sliding door, hereinafter simply referred to as a "sliding door"). )
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door wheel that can be adjusted in the vertical direction and the width direction so that the position of the roller in the vertical direction (projection amount) and the width direction with respect to the sliding door can be adjusted so that opening and closing of the sliding door can be always smoothly performed. 2. Description of the Related Art Conventionally, sliding doors have been used to facilitate opening and closing of sliding doors along rails laid on the floor.
A door roller is attached to the lower end. This door roller is composed of a main body case that is attached to the lower end of the sliding door with screws or the like, and a roller that is rotatably supported on the main body case, and is fixed to the lower end of the sliding door. By the way, in recent sliding doors and the like,
The erection structure and the like are diversified, and as a result, unexpected dimensional deviation after manufacturing, mounting error at the time of construction, and dimensional deviation due to temperature, humidity, and the like may occur later. In order to absorb this error, for example,
There is one disclosed in Registered Utility Model Publication No. 30053838. This door roller is provided with a vertical position adjustment structure for vertically moving a roller holder that supports a roller rotating and traveling on a rail, and by moving the roller holder up and down, the distance between the lower surface of the sliding door and the running surface of the rail is improved. The distance between the upper edge of the sliding door and the door is adjusted to prevent the sliding door from accidentally derailing, and to smoothly open and close the sliding door. [0004] However, in the conventional door roller described above, even if the amount of protrusion of the roller with respect to the sliding door can be adjusted, the position in the width direction cannot be adjusted, and mounting of the fittings is not performed. There has been a problem that sliding doors cannot be smoothly opened and closed due to friction or collision between sliding doors during opening and closing operations due to errors and distortions. [0005] In recent years, in order to address this problem, a door roller that can be adjusted in the vertical and width directions, for example, Japanese Patent No. 3001
No. 179 has been proposed, but this door roller has a new problem that the roller diameter cannot be increased due to the complicated structure, and running stability is poor. The present invention has been made in view of the above-mentioned problems of the conventional door pulley, and has excellent running stability and can always smoothly open and close the sliding door while enabling adjustment of the position of the roller with respect to the sliding door in the vertical and width directions. It is an object of the present invention to provide a door wheel that can be adjusted in the vertical direction and the width direction. [0007] In order to achieve the above object, the present invention provides a door wheel that can be adjusted in the vertical and width directions.
A main body case fixed to the lower end of the sliding door, a width direction moving case inserted movably in the width direction within the main body case, and a vertically movable member housed in the width direction moving case, and a roller therein. A vertically movable case rotatably supported, a vertical adjustment screw for adjusting the vertical position of the vertically movable case, and a rack formed on the widthwise movable case are meshed with each other to adjust the widthwise position of the widthwise movable case. Up and down and width direction consisting of width direction adjustment pinion to adjust and width direction fixing screw to fix width direction moving case to main body case
In the adjustable door wheel, insert the width direction adjustment pinion
Inner circumference of width direction adjustment pinion hole formed in main body case
Contact the outer circumference of the width direction adjustment pinion
A member with elasticity enough to temporarily lock the Nion
The stopper piece is projected from the body case integrally, and
On the outer circumference of the adjustment pinion and on the inner circumference of the width direction adjustment pinion hole
It is characterized in that a positioning groove into which the projecting locking piece is fitted is formed . The door wheel which can be adjusted in the up-down direction and the width direction can adjust the up-down position of the roller with respect to the sliding door by adjusting the up-down position of the up-down moving case with the up-down adjustment screw. By adjusting the width direction position of the width direction movement case with the width direction adjustment pinion that meshes with the rack formed on the movement case,
Adjust the width of the roller relative to the sliding door. Also,
Width adjustment that meshes with the rack formed in the widthwise moving case
Adjusting the width direction position of the width direction moving case with the adjustment pinion
The widthwise moving case with the widthwise fixing screw.
When fixing to the case, make sure that the widthwise moving case moves.
And the width direction moving case can be
Can be accurately fixed at a predetermined position on the surface. further,
When assembling a door roller, the rotation angle of the width direction adjustment pinion
Can be easily adjusted to the neutral position.
Phase the rack and the rack formed in the widthwise moving case.
Can be engaged accurately. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will now be described with reference to the accompanying drawings. FIG. 1 to FIG. 8 show an embodiment of a door wheel according to the present invention which can be adjusted in the vertical direction and the width direction. The door wheel W that can be adjusted in the up-down direction and the width direction includes a main body case 1 fixed to the lower end portion of the sliding door D, a width-direction moving case 2 that is movably inserted into the main body case 1 in the width direction, A vertically movable case 4 which is housed in a vertically movable case 2 so as to be movable vertically and rotatably supports a roller 3 therein, and is disposed on the main body case 1 via an adjusting screw holder 7 to be vertically movable. A vertical adjusting screw 5 that is screwed into the boss 43 of the moving case 4 and moves the vertical moving case 4 while swinging in the vertical direction to adjust the position of the roller 3 in the vertical direction;
The width which is inserted into the main body case 1, meshes with the rack 25 formed in the width direction moving case 2, slides and moves the width direction moving case 2 in the width direction, and adjusts the position of the roller 3 in the width direction. It comprises a direction adjusting pinion 6 and a width direction fixing screw 8 for fixing the width direction moving case 2 to the main body case 1. Usually, two main body cases 1 are buried at the lower end of the sliding door D at a predetermined interval, and fixed with screws or the like. As shown in FIG. 3, the main body case 1
The main body case 1 is formed in a U-shaped cross-section in which the width-direction moving case insertion portion 11 is opened at both side surfaces and the lower end surface in the width direction. A mounting hole 15 is formed in the upper piece 1c of the main body case 1 so as to penetrate in the longitudinal direction for mounting the main body case 1 to the sliding door D with a screw. Further, in order to guide the widthwise moving case 2, a slide guide piece 17 is provided on the lower surface of the upper piece 1c, a slide guide groove 16 is provided on the inner surface of the back piece 1b opposed to each other in a U-shape, and a slide guide groove is provided on the inner surface of the front piece 1a. The grooves 18 are respectively formed. Further, the front piece 1a facing each other in a U-shape is provided with a vertical adjustment screw hole 1.
2. Width adjustment pinion hole 13 and width fixing screw hole 1
4 are formed respectively. The slide guide piece 17 and the slide guide grooves 16 and 18 formed in the widthwise movable case insertion portion 11 of the main body case 1 are formed in the width direction parallel to the main body case 1, whereby The width direction moving case 2 to be inserted into the width direction moving case insertion portion 11 whose both sides in the width direction and the lower end surface are open is slid and moved only in the width direction of the main body case 1. The vertical adjusting screw hole 12 allows the vertical adjusting screw 5 to penetrate and rotate freely, and can cope with the case where the width direction moving case 2 is moved in the width direction with respect to the main body case 1. To form a horizontally long oval.
Similarly, the width direction fixing screw hole 14 is also provided in the width direction moving case 2.
Is formed in a horizontally long oval shape so that it can be fixed to the main body case 1 at a position moved in the width direction. The width direction adjusting pinion hole 13 is formed to have a diameter in which the width direction adjusting pinion 6 is rotatably fitted, and is in contact with the inner periphery of the width direction adjusting pinion hole 13 and the outer periphery of the width direction adjusting pinion 6. Locking piece 13 having elasticity enough to temporarily lock width direction adjusting pinion 6
a and 13a are integrally protruded from the main body case 1. For this reason, the main body case 1 is not particularly limited, but is formed of, for example, an elastic synthetic resin such as an acetal resin (POM). Thereby, after the width direction position of the width direction moving case 2 is adjusted by the width direction adjusting pinion 6 which meshes with the rack 25 formed on the width direction moving case 2, the width direction moving case 2 is moved by the width direction fixing screw 8 to the main body case. 1, the width direction moving case 2 can be prevented from moving, and the width direction moving case 2 can be accurately fixed to a predetermined position of the main body case 1. Further, on the outer periphery of the width direction adjusting pinion 6,
Positioning grooves 64, 64 into which the locking pieces 13a, 13a protruding from the inner periphery of the width direction adjusting pinion hole 13 are fitted are formed. Thereby, when assembling the door roller W, the rotation angle of the width direction adjusting pinion 6 can be easily adjusted to the neutral position, and the phase of the width direction adjusting pinion 6 and the rack 25 formed on the width direction moving case 2 can be adjusted. Together, they can be accurately engaged. As shown in FIG. 4, the widthwise moving case 2 is formed in a flat box shape having an opening at the lower end and a cavity 21 formed therein. In this case, when the width direction moving case 2 is inserted and stored in the width direction moving case insertion portion 11 of the main body case 1, the width direction moving case 2 is larger than the width of the main body case 1.
Is set to be smaller by about 2 mm on both sides in the width direction, that is, about 4 mm in total, so that the roller 3 can be moved and adjusted in the width direction (thickness direction) of the sliding door D. On the inner surface of the opposite side wall of the widthwise moving case 2, shaft guide grooves 21b, 21b for supporting the support shaft 31 of the roller 3 are formed at opposing positions, and the inner top surface 21a is connected to the vertical adjusting screw 5 Is formed on an inclined surface that is inclined so that the side into which it is inserted becomes lower, and an inverted U-shaped groove 21d for rotatably holding the vertical adjustment screw 5 is formed at the end of the inner top surface 21a. . On the opposing side wall of the width direction moving case 2, a holder insertion hole 29 is formed in the shape of a window near the groove 21d, and the vertical adjustment screw 5 is rotatably held in the holder insertion hole 29. For the vertical adjustment screw holder 7 for splitting. A slit-shaped slide guide groove 27 for fitting the slide guide piece 17 formed in the main body case 1 is formed on the top surface of the width direction moving case 2, and the main body case 1 is formed on the rear end surface. A slide guide piece 26 that fits into the slit-shaped slide guide groove 16, and a slide guide piece 28 that fits in the slide guide groove 18 on the front end face.
Are formed respectively. A vertical adjusting screw hole 22 for rotatably inserting the vertical adjusting screw 5 and a width adjusting pinion for fitting the width adjusting pinion 6 are provided on the front end surface of the width direction moving case 2. A width direction fixing screw hole 24 for screwing the accommodating portion 23 and the width direction fixing screw 8 is formed. Then, in the width direction adjusting pinion accommodating portion 23, the
As shown in (1), the width direction adjusting pinion 6 is formed to be horizontally long so as to be relatively movable in the width direction, and a rack 25 is formed on the lower surface thereof. For this reason, the width direction moving case 2
Although not particularly limited, for example, it is formed from a metal such as aluminum. Thereby, the pinion 6 of the width direction adjustment pinion 6 fitted into the width direction adjustment pinion housing portion 23 of the width direction moving case 2 from the width direction adjustment pinion hole 13 of the main body case 1 meshes with the width direction adjustment pinion 6. By rotating, the width direction moving case 2 is moved in the width direction within the main body case 1. This movement amount is set within a range in which the sliding door D can be adjusted in the width direction, for example, about 2 mm in the width direction. A stopper fitting hole 21c for fitting a caster stopper S shown in FIG. 8A is formed in the rear end surface of the width direction moving case 2. As shown in FIG. 5, the vertical moving case 4 has fan-shaped side plates 40 and 40 having a roller shaft hole 41 and a boss mounting hole 42 disposed therebetween so as to sandwich the roller 3 therebetween. A roller shaft 31 is inserted into 41 and the roller 3 is rotatably supported. A boss shaft 43 b projecting from an end of the boss 43 is fitted into the boss mounting hole 42, and the vertical adjustment screw 5 is screwed into a screw hole 43 a formed in the boss 43. Thus, by rotating the vertical adjusting screw 5, the boss 43 slides on the inclined surface formed on the inner top surface 21 a of the widthwise moving case 2, and moves along the longitudinal direction of the vertical adjusting screw 5. By moving, the vertical movement case 4 is moved while swinging in the vertical direction, and the position of the roller 3 in the vertical direction can be adjusted. When the vertical movement case 4 is adjusted in the vertical direction, the adjustment in the vertical direction may be about 5 mm, and the lower surface of the roller 3 may be positioned below the main body case 1 and the width direction movement case 2 at any adjustment position. It shall project below the end face. As shown in FIG. 6, the width-direction adjusting pinion 6 has a cylindrical shape, and its outer diameter can be inserted into the width-direction adjusting pinion hole 13 of the main body case 1. The pressing piece 13a protruding from the circumference contacts the outer circumference of the width direction adjusting pinion 6 so that the width direction adjusting pinion 6 can be temporarily locked. On the front end surface serving as the front surface of the main body case 1, a rotation operation portion 61 having a smaller diameter than the main body portion 60 of the width direction adjustment pinion 6 is provided.
8D, the width direction adjustment pinion 6 is formed using the plate 62 as shown in FIG. 8 (D).
3 so as to be rotatable and retainable. The fixture 9 made of a leaf spring shown in FIG.
Is formed with a hole 91 at the center for inserting the rotation operation part 61 of the width direction adjustment pinion 6, and a plurality of tongue pieces 92, 9 in the outer peripheral part.
2 is projected. The length of the tongue piece 92 is such that when the mounting tool 9 is inserted into the width direction adjustment pinion hole 13, the tip of the tongue piece 92 bites into the inner peripheral surface of the width direction adjustment pinion hole 13 as shown in FIG. So that it is fixed at. Also, on the outer periphery of the width direction adjusting pinion 6,
Locking piece 13 protruding from the inner periphery of width direction adjustment pinion hole 13
a, 13a are formed so as to form the positioning grooves 64, 64 to be fitted. The main body 60 of the width direction adjusting pinion 6 is also provided.
A pinion 65 is formed on the rear end side. This pinion 65 may be formed over the entire circumference of the main body, but as shown in the present embodiment, it should be formed only in a range corresponding to the length of the rack 25 that meshes with the width direction adjusting pinion 6. Can also. As shown in FIG. 8 (B), the vertical adjusting screw 5 is a bolt with a head, and the vertical adjusting screw 5 is inserted into the window holes 29 from outside the widthwise moving case 2. It is rotatably supported by the screw holder 7 in a retaining state. As shown in FIG. 7, the vertical adjustment screw holder 7 includes an engaging pin 73 on one side and split pieces 7A and 7B formed with an engaging hole 74 on the other side. , 7B,
A groove 71 for rotatably supporting the head 51 of the vertical adjustment screw 5 and an insertion groove 72 for fitting the screw portion 52 of the vertical adjustment screw 5 having a semicircular cross section are formed on opposite end faces. Form. Next, a method of assembling the door roller W will be described. The vertical adjusting screw 5 is screwed into the boss 43 of the vertical moving case 4 rotatably supporting the roller 3 via the roller support shaft 31, and is inserted into the width moving case 2. At this time, the end of the roller support shaft 31 is formed on the inner surface of the widthwise moving case 2 by the shaft guide grooves 21b, 21b.
Insert inside. Next, the window hole 29 of the width direction moving case 2,
The vertical adjustment screw holder 7 composed of the split pieces 7A and 7B is inserted into both sides in the width direction 29, and the engagement pin 73 is fitted into the engagement hole 74 to be integrated. As a result, the vertical adjusting screw 5 is disposed along the inner top surface of the widthwise moving case 2 and is rotatably supported. In addition, the caster stopper S is inserted into the hole 2 of the widthwise moving case 2.
Insert into 9. Thus, the widthwise moving case 2 incorporating the roller 3 is inserted into the widthwise moving case insertion portion 11 from the side of the main body case 1. In this case, the slide guide grooves 16, 1 of the main body case 1 and the widthwise moving case 2 are provided.
The slide guide pieces 17, 26, 28 are inserted into the slide guides 8, 27, so that the width direction movable case 2 can be adjusted in the width direction while maintaining the horizontal state. Next, the width direction adjustment pinion 6 is inserted into the width direction adjustment pinion hole 13 formed on the end side surface of the main body case 1. At this time, the locking pieces 13 a protruding from the inner periphery of the width direction adjusting pinion hole 13 are
The rotation angle of the width direction adjustment pinion 6 can be easily adjusted to the neutral position by fitting into the positioning grooves 64, 64 formed on the outer periphery of the width direction adjustment pinion 6 and the width direction moving case 2. Can be accurately engaged with the rack 25 formed in the same phase. Thereafter, the exterior cover 10 is attached to the main body case 1 to complete the assembly. This door roller W is usually buried in a door roller mounting hole (not shown) formed at the lower end of the sliding door D,
A mounting screw (not shown) is inserted into the mounting hole 15 and the sliding door D is inserted.
And fix it. At the time of fixing with the mounting screws, the exterior cover 10 is removed, the door roller W is fixed to the sliding door D, and then mounted again, so that the mounting screws, the vertical adjusting screw 5 and the width adjusting pinion 6 are covered from the outside. When adjusting the roller 3 of the door roller W in the up-down direction, the outer cover 10 is removed from the main body case 1 and the up-down adjustment screw 5 is rotated by a driver or the like from the outside to rotate. The vertical moving case 4 screwed with the vertical adjusting screw 5 is moved vertically in the width moving case 2, and the roller 3 is moved according to the moving amount.
When adjusting the roller 3 in the width direction, the width direction fixing screw 8 is loosened, and the width direction adjusting pinion 6 is rotated by a driver or the like from the outside of the fixing. The widthwise moving case 2 via the rack 25 meshed with the pinion 65 of the widthwise adjustment pinion 6
Are moved in the width direction, and the width direction of the roller 3 is adjusted together with the width direction moving case 2 in accordance with the amount of the movement. Then, after adjustment to a predetermined position, the width direction fixing screw 8 loosened before the adjustment is tightened and fixed again, and the outer cover 10 is attached to complete the adjustment. According to the door wheel of the present invention which can be adjusted in the vertical direction and the width direction, by adjusting the vertical position of the vertical moving case with the vertical adjusting screw, the vertical direction of the roller with respect to the sliding door can be adjusted. The position of the roller in the width direction with respect to the sliding door can be adjusted by adjusting the position and adjusting the position in the width direction of the width direction moving case with the width direction adjusting pinion that meshes with the rack formed in the width direction moving case. . As a result, the structure of the mechanism for adjusting the vertical and width directions of the roller can be simplified, the diameter of the roller can be increased, and the vertical and width directions of the roller can be adjusted according to the distortion of the sliding door, mounting errors, and the like. Since fine adjustment of the mechanism can be easily performed, the running stability of the door roller can be improved. Also, fit the width direction adjustment pinion
Inside the width adjustment pinion hole formed in the main body case to be inserted
Adjust the width direction by touching the outer circumference of the width direction adjustment pinion
Elastic enough to temporarily lock the pinion
The locking piece is protruded integrally with the main body case,
Width adjustment for meshing with the rack formed in the directional movement case
Adjust the width direction position of the width direction moving case with the pinion.
The widthwise moving case with the widthwise fixing screw.
When moving the case in the width direction when fixing it to the base
Can prevent the width direction moving case from the body case
Can be accurately fixed at a predetermined position. Furthermore, the width
At the outer circumference of the direction adjustment pinion,
Form a positioning groove into which the locking pieces protruding around
When assembling a door roller, the width direction adjustment pinion
Can be easily adjusted to the neutral position and the width
Rack formed on direction adjustment pinion and widthwise moving case
Can be accurately meshed with each other in phase.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing an embodiment of a door wheel according to the present invention that can be adjusted in a vertical direction and a width direction. 2A is a front view and FIG. 2B is a side view. FIG. 3 is an explanatory view of a main body case, (A) is a front sectional view,
(B) is a left side view, (C) is a right side view, and (D) is a bottom view. 4A and 4B are explanatory views of a widthwise moving case, wherein FIG. 4A is a front sectional view, FIG. 4B is a left side view, FIG. 4C is a right side view, and FIG. 5A and 5B are explanatory views of a vertically moving case, wherein FIG. 5A is a side view and FIG. 5B is a front view. 6A and 6B are explanatory diagrams of a width direction adjustment pinion, in which FIG. 6A is a side view, FIG. 6B is a front view, and FIG. 6C is a rear view. 7A and 7B are explanatory views of a vertical adjustment screw holder, wherein FIG. 7A is a front view of one of the split pieces, FIG. 7B is a left side view, FIG. 7C is a right side view, and FIG. , (E) are rear views. 8A and 8B show parts of a door roller, in which (A) is a caster stopper, (B) is a vertical adjustment screw, (C) is a width direction fixing screw, and (D) is a fixture. [Description of Signs] 1 Main body case 11 Width direction moving case insertion hole 12 Vertical direction adjustment screw hole 13 Width direction adjustment pinion hole 13a Pressing piece 14 Width direction fixing screw hole 15 Mounting hole 16 Slide guide groove 17 Slide guide piece 18 Slide guide Groove 2 Width direction moving case 21 Cavity 22 Vertical direction adjusting screw hole 23 Width direction adjusting pinion receiving portion 24 Fixed screw hole 25 Rack 26 Slide guide piece 27 Slide guide groove 28 Slide guide piece 29 Width direction moving case holder insertion hole 3 Roller 4 Vertical movement case 40 Side plate 41 Roller shaft hole 42 Boss mounting hole 43 Boss part 5 Vertical adjustment screw 6 Width adjustment pinion 64 Positioning groove 7 Vertical adjustment screw holder 8 Width fixing screw 9 Fixture D Sliding door W Door cart

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05D 15/00-15/58

Claims (1)

(57) [Claims] [Claim 1] A main body case fixed to a lower end portion of a sliding door,
A width-direction moving case fitted in the body case so as to be movable in the width direction, and a vertical-direction movement case housed in the width-direction movement case so as to be vertically movable and rotatably supported with rollers therein. A vertical adjusting screw for adjusting the vertical position of the vertical moving case, a width adjusting pinion for meshing with a rack formed on the width moving case, and adjusting the width position of the width moving case, and a width moving. Up and down direction consisting of width fixing screws for fixing the case to the main body case
And a width direction adjustable pinion
Width adjustment pinion formed on the body case to insert the ON
Contact the outer circumference of the width direction adjustment pinion
Elastic enough to temporarily lock the direction adjustment pinion
With a locking piece with
At the outer periphery of the width direction adjustment pinion
Forming a positioning groove to which the locking piece protruding from the inner circumference of the hole fits
Adjustable door roller in the vertical direction and the width direction, characterized in that the.