JPH10205208A - Sash sheave - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease the number of parts, to simplify structure and to reduce cost by forming a sash sheave of a main body, a wheel and left-right adjusting devices. SOLUTION: A bolt 18 for a vertical adjusting device 4 is rotated and operated by a driver, etc., from the front side of a sliding door. Consequently, a moving body 13 is moved longitudinally to a main body 2 by the screw action of the bolt 18 and a tapped hole 17, and a wheel 3 is moved vertically to the main body 2 by the cam action of a longitudinal slot 14, a diagonal slot 15 and an axle 10. The sliding door is adjusted and moved in the vertical direction to a rail. When a bolt 31 for a left-right adjusting device 5 is tuned and operated, a movable body 22 is shifted longitudinally to the main body 2 and the moving body 13 by the screw action of the bolt 31 and a tapped hole 30. A can body 24 and the wheel 3 are moved horizontally to the main body 2, the moving body 13 and the axle 10 by the cam action of the cam body 24 and a can piece 27. As a result, the sliding door is adjusted and shifted in the horizontally direction to the rail. Accordingly, the wheel can be moved laterally, accurately and rapidly by small force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a door roller applied to sliding doors such as sliding doors and shojis.

[0002]

2. Description of the Related Art Conventionally, as this type of door roller, for example, one described in Japanese Patent Application Laid-Open No. 8-284519 is known. This is basically provided between the main body and the wheel holder, the main body attached to the sliding doors, the wheels rolling on the rails, the wheel holder supporting the wheels rotatably around the horizontal axis. And a left and right adjusting device for moving the wheel holder left and right with respect to the main body. In such a device, when the left and right adjusting device is operated, the wheel is moved left and right by the left and right movement of the wheel holder with respect to the main body. Therefore, the sliding doors can be moved laterally in the short direction of the rail, and it is possible to prevent the sliding doors from sliding or contacting other sliding doors, walls, or the like, thereby preventing opening and closing or preventing damage.

[0003]

However, in such a device, the wheels are so-called indirectly traversed via a wheel holder by a left-right adjustment device, so that the number of parts is large and the structure is complicated. And the cost was high. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has been made in order to solve the problem. The object of the present invention is to reduce the number of parts, simplify the structure, and reduce the cost. To provide a door car.

[0004]

A door roller according to the present invention basically comprises a main body attached to sliding doors, a wheel rotatably supported on the main body about a horizontal axis and rolling on rails, and a main body. And a left-right adjustment device provided between the first and second wheels to move the wheels left and right with respect to the main body.

When the left and right adjusting device is operated, the wheels are moved left and right with respect to the main body, so that the sliding doors can be adjusted and moved in the left and right direction with respect to the rail, and the clearance can be adjusted with respect to other sliding doors and walls. Can be.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional side view showing a door roller according to a first example of the present invention. FIG. 2 is a cross-sectional bottom view of FIG. FIG. 3 is a view similar to FIG. 1 showing a state in which wheels are moved downward. FIG.
FIG. 3 is a diagram similar to FIG. 2, showing a state in which wheels are moved to the left. FIG.
FIG. 2 is an exploded perspective view of FIG.

The main part of the door roller 1 is composed of a main body 2, wheels 3, an up-down adjustment device 4, and a left-right adjustment device 5.

The main body 2 is attached to sliding doors.
In this example, the upper wall 6, the front and rear mounting holes 7 formed in the upper wall 6, the left and right side walls 8 suspended from the middle of the upper wall 6, and the front sides thereof are bent inward at right angles. Front wall 9
It has the shape of a thin box with a lower part and a rear part opened, and is made by pressing a metal plate.

Although not shown, the main body 2 is formed on the lower side of sliding doors such as sliding doors and shojis, is inserted into a receiving cavity opened downward, and is mounted by using mounting screws by using mounting holes 7. Can be

The wheel 3 is supported by the main body 2 so as to be rotatable about a horizontal axis and rolls on a rail. In this example, the wheel 3 is of a flat type and is made of synthetic resin.
0, it is supported by the main body 2 so as to be rotatable about a horizontal axis.

The vertical adjustment device 4 is provided between the main body 2 and the wheel 3 to move the wheel 3 up and down with respect to the main body 2. In this example, the left and right side walls 11 are connected to their front sides. A movable body 13 which is formed by pressing a metal plate and which is provided so as to be able to move back and forth inside the body 2 and a side wall 8 of the body 2 Left and right vertically elongated holes 14 cut vertically from the lower end, left and right oblique holes 15 cut obliquely from the rear lower end to the front and upper sides of both side walls 11 of the moving body 13, and the wheel 3 can be rotated and horizontally. A stepped axle 10 that is movably supported so that both ends have a small diameter and that portion is inserted into the intersection of the vertically elongated hole 14 and the obliquely elongated hole 15.
A through hole 16 formed in the front wall 9 of the main body 2;
3, a screw hole 17 screwed into the front wall 12, a bolt 18 inserted into the through hole 16 and screwed into the screw hole 17, and a front wall 9 of the main body 2 And a compression type spring 19 interposed between the front wall 12.

The longitudinal hole 14, the oblique hole 15 and the axle 10
A so-called cam mechanism for converting the movement of the moving body 13 in the front-rear direction into the movement of the wheels 3 in the vertical direction is configured. The through hole 16, the screw hole 17, the bolt 18, and the spring 19
This constitutes a screw mechanism for positioning in the front-rear direction.

The left and right adjusting device 5 is provided between the main body 2 and the wheels 3 to move the wheels 3 left and right with respect to the main body 2. In this example, the left and right side walls 20 are connected to their front sides. A movable body 22 which is formed by pressing a metal plate and which is provided so as to be able to move back and forth inside the movable body 13, and which is adjacent to both sides of the wheel 3. The left and right truncated cones each having an acute angle (45 degrees) inclined surface 23 which is rotatably and laterally fitted to the axle 10 and gradually increases in diameter from the outside to the inside in the left-right direction. Cam body 24 and both side walls 20 of movable body 22
The left and right cutouts 25 are cut vertically from the lower end of the movable body 22 to avoid interference with the axle 10, and a part of both side walls 20 of the movable body 22 which are located forward and backward with respect to the cutouts 25 (135)
°) and left and right cam pieces 27 (the left cam piece 27 is provided with a notch 25 on the same side) having an acute angle (45 °) inclined surface 26 adapted to the inclined surface 23 of the cam body 24. The cam piece 27 on the right side is formed by bending the side wall 20 located on the rear side of the notch 25 on the same side. And the main body 2
The through hole 28 formed in the front wall 9 of the moving body 13 and the front wall 1 of the moving body 13
2, a screw hole 30 screwed into the front wall 21 of the movable body 22, a bolt 31 inserted into the through hole 28 and the through hole 29 and screwed into the screw hole 30. , And a compression spring 32 inserted between the front wall 9 of the main body 2 and the front wall 21 of the movable body 22 through the through hole 29.

The cam body 24, the cam piece 27 and the axle 10
A so-called cam mechanism for converting the movement of the movable body 22 in the front-rear direction into the movement of the wheels 3 in the left-right direction is configured. The through hole 28, the through hole 29, the screw hole 30, the bolt 31, and the spring 32
A screw mechanism for positioning the movable body 22 in the front-rear direction is configured.

Next, the operation will be described based on such a configuration. Tools such as a screwdriver (not shown) from the front of the sliding doors
When the bolt 18 of the vertical adjustment device 4 is rotated according to
The moving body 13 is moved back and forth with respect to the main body 2 by the screw action of the bolt 18 and the screw hole 17, and the wheel 3 is moved to the main body 2 by the cam action of the vertically long hole 14, the oblique hole 15 and the axle 10. The door is moved up and down, and the sliding doors are moved up and down with respect to the rail. For example, as shown in FIG. 3, when the moving body 13 is moved forward with respect to the main body 2 by rotating the bolt 18 of the vertical adjustment device 4, the cam action of the longitudinally elongated hole 14, the obliquely elongated hole 15, and the axle 10 causes The wheel 3 is moved down with respect to the main body 2. Accordingly, by appropriately adjusting the height of the door roller 1 provided before and after the sliding doors, the sliding doors can be tilted forward or backward to adjust the door stop against the sliding door frame.

When the bolt 31 of the left / right adjusting device 5 is rotated from the front side of the sliding door with a tool such as a driver (not shown), the main body 2 is driven by the screw action of the bolt 31 and the screw hole 30.
The movable body 22 is moved back and forth with respect to the moving body 13 and the main body 2 and the moving body 1 by the cam action of the cam body 24 and the cam piece 27.
The cam 24 and the wheel 3 are moved left and right with respect to the axle 3 and the axle 10, and the sliding doors are adjusted and moved with respect to the rail in the left and right direction. For example, as shown in FIG. 4, the bolt 31 of the left / right adjustment device 5 is rotated to move the movable body 2 with respect to the main body 3 and the movable body 13.
When the front wheel 2 is moved forward, the cam body 24 and the wheel 3 are moved leftward with respect to the main body 2, the moving body 13 and the axle 10 by the cam action of the cam body 24 and the cam piece 27. Therefore, it is possible to adjust the gap with respect to other sliding doors, walls, and the like.

The up-down adjustment device 4 and the left-right adjustment device 5 are provided so as not to interfere with each other between the main body 2 and the wheel 3, so that when one is adjusted, the other is not hindered. You can also adjust both. Since the up-down adjustment device 4 and the left-right adjustment device 5 can be operated from the front side (kiguchi side) which is the same side of the sliding doors, the adjustment operation can be performed smoothly and easily. Since the left and right adjustment device 5 uses the axle 10 to move the wheels 3 left and right along the axle 10, it is direct and can be laterally moved with a small force.

Next, a second embodiment of the present invention will be described with reference to FIGS.
It will be described based on. In the second example, the left / right adjustment device 5 is configured as follows, and the other configuration is the same as the first example. The left and right adjustment device 5 is provided with left and right side walls 33 and a front wall 34 connecting these front sides to each other. And a notch 36 on the left and right sides which are vertically cut from the lower ends of both side walls 33 to avoid interference with the axle 10.
A part of both side walls 33 of the movable body 35 is formed by bending a part at an acute angle (45 °) at the front and rear sides with these being interposed therebetween, and the tip is wound so that the side surface of the wheel 3 and the axle 10 The bullet 37 in contact with the peripheral surface (the bullet 37 on the left is
6 and is formed by bending a side wall 33 on the same side. The right elastic piece 37 is located behind the notch 36 on the same side and is formed by bending the side wall 33 on the same side. )
A through hole 38 formed in the front wall 9 of the main body 2;
3, a through hole 39 formed in the front wall 12, a screw hole 40 formed in the front wall 34 of the movable body 35, and a through hole 38 and the through hole 39, which are screwed into the screw hole 40. And a compression type spring 42 inserted between the bolt 41 and the through hole 39 and interposed between the front wall 9 of the main body 2 and the front wall 34 of the movable body 35.

The bullet piece 37 and the axle 10 constitute a so-called cam mechanism for converting the forward and backward movement of the movable body 35 into the left and right movement of the wheel 3. Through hole 38, through hole 39, and screw hole 4
The 0, the bolt 41 and the spring 42 constitute a screw mechanism for positioning the movable body 35 in the front-rear direction.

Next, the operation will be described based on such a configuration. Tools such as a screwdriver (not shown) from the front of the sliding doors
When the bolt 18 of the vertical adjustment device 4 is rotated according to
The moving body 13 is moved back and forth with respect to the main body 2 by the screw action of the bolt 18 and the screw hole 17, and the wheel 3 is moved to the main body 2 by the cam action of the vertically long hole 14, the oblique hole 15 and the axle 10. The door is moved up and down, and the sliding doors are moved up and down with respect to the rail. For example, as shown in FIG. 8, when the moving body 13 is moved forward with respect to the main body 2 by rotating the bolt 18 of the vertical adjustment device 4, the cam action of the longitudinally elongated hole 14, the obliquely elongated hole 15, and the axle 10 causes The wheel 3 is moved down with respect to the main body 2. Accordingly, by appropriately adjusting the height of the door roller 1 provided before and after the sliding doors, the sliding doors can be tilted forward or backward to adjust the door stop against the sliding door frame.

When the bolt 41 of the left / right adjusting device 5 is rotated by a tool (not shown) such as a driver, the bolt 41 is rotated.
The movable body 35 is moved forward and backward with respect to the main body 2 and the moving body 13 by the screw action of the screw hole 40 and the wheel 3 with respect to the main body 2, the moving body 13 and the axle 10 by the cam action of the bullet 37. The door is moved left and right, and the sliding doors are adjusted and moved in the left and right direction with respect to the rail. For example, as shown in FIG. 9, when the movable body 35 is moved forward with respect to the main body 3 and the moving body 13 by rotating the bolt 41 of the left / right adjusting device 5,
, The wheel 3 is moved leftward with respect to the moving body 13 and the axle 10.
Therefore, it is possible to adjust the gap with respect to other sliding doors, walls, and the like.

In such a device, since the cam mechanism of the left and right adjusting device 5 can be constituted only by the elastic piece 37 and the axle 10, the structure can be further simplified as compared with the first example, and the cost can be reduced.

In the above example, the wheel 3 has nothing interposed between the wheel 3 and the axle 10. However, the present invention is not limited to this. For example, a bearing or the like for smoothly rotating the wheel 3 between the wheel 3 and the axle 10 may be used. It may be interposed. The vertical adjustment device 4 is provided in the above example, but is not limited thereto, and may be omitted, for example. In this case, the axle 1 is formed by making the vertically long hole 14 of the vehicle body 2 into a circular shaft hole.
The movable bodies 22 and 35 are provided inside the main body 2 so as to be able to move back and forth while fitting both ends of the “0”. Although the up-down adjustment device 4 and the left-right adjustment device 5 use the cam mechanism in the above example, the invention is not limited to this, and may use, for example, a link mechanism. The cam body 24 is separate from the wheel 3 in the first example, but is not limited thereto, and may be provided, for example, integrally with the wheel 3. In the first example, nothing is provided between the cam body 24 and the wheel 3. However, the present invention is not limited to this. For example, a bearing or the like that smoothly rotates the wheel 3 is provided therebetween. Is also good. In the first example, the cam body 24 and the cam piece 27 are provided in a pair on the left and right. However, the present invention is not limited to this.
An elastic body such as a plate spring or a coil spring may be interposed between the side wall 20 and the wheel 3 to bias the wheel 3 toward one of the two. In the first example, the cam piece 27 is
2, but is not limited to this.
2, and may be attached later. In the second example, the pair of the elastic pieces 37 is provided on the left and right, but the present invention is not limited to this. For example, only one of the elastic pieces 37 is provided, and instead of the other, between the side wall 33 of the movable body 35 and the wheel 3 An elastic body such as a leaf spring or a coil spring may be interposed to urge the wheel 3 toward one side. The bullet 37 is provided integrally with the movable body 35 in the second example, but is not limited thereto.
For example, it may be manufactured separately from the movable body 35 and attached later.

[0024]

As described above, according to the present invention, as described above,
The following excellent effects can be obtained. (1) It is composed of a main body, wheels, and a left / right adjustment device. In particular, since a left / right adjustment device for moving the wheels left and right with respect to the main body is provided, the number of parts is small, the structure is simplified, and the cost is reduced. Can be. (2) Since the wheels are moved left and right directly by the left and right adjustment device, the wheels can be moved laterally accurately and quickly with a small force.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view showing a door roller according to a first example of the present invention.

FIG. 2 is a cross-sectional bottom view of FIG.

FIG. 3 is a view similar to FIG. 1, showing a state in which wheels are moved downward.

FIG. 4 is a view similar to FIG. 2, showing a state in which wheels are moved to the left.

FIG. 5 is an exploded perspective view of FIG. 1;

FIG. 6 is a longitudinal sectional side view showing a door roller according to a second example of the present invention.

FIG. 7 is a cross-sectional bottom view of FIG. 6;

FIG. 8 is a view similar to FIG. 6, showing a state in which wheels are moved downward.

FIG. 9 is a view similar to FIG. 7, showing a state in which wheels are moved to the left.

FIG. 10 is an exploded perspective view of FIG. 6;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Door car, 2 ... Body, 3 ... Wheels, 4 ... Vertical adjustment device, 5
... left and right adjustment device, 6 ... upper wall, 7 ... mounting holes, 8, 11, and 12
0, 33 ... side wall, 9, 12, 21, 34 ... front wall, 10 ...
Axle, 13: moving object, 14: vertically long hole, 15: oblique hole, 1
6, 28, 38 ... through hole, 17, 30, 40 ... screw hole, 1
8, 31, 41 ... bolt, 19, 32, 42 ... spring, 22, 35 ... movable body, 23, 26 ... inclined surface, 24 ...
Cam body, 25, 36 ... notch, 27 ... cam piece, 29, 39
... through holes, 37 ... bullets.

Claims (1)

[Claims] 1. A main body mounted on a sliding door, a wheel rotatably supported on the main body about a horizontal axis, and rolling on a rail, and a wheel provided between the main body and the wheel, the wheel being mounted on the main body. A door roller characterized by comprising a left-right adjustment device for moving left and right.