JP2745288B2 - Fitting with door roller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door and door fitting, and more particularly to a door and door fitting having an improved structure for mounting a door with a fitting adjustment function to a lower rail of a fitting body.

[0002]

2. Description of the Related Art There have been proposed various types of door wheels to be attached to a lower rail (also referred to as a lower frame) of a fitting body such as a shutter (for example, Japanese Utility Model Publication No. 47-34213, Japanese Utility Model Publication No. 49-197). No. 41843, Jpn.
Reference). Each of these door wheels is provided with a screw-type adjusting portion for enabling the fitting adjustment of the fittings.

[0003] Generally, such a door roller is provided with a mounting frame for mounting the wheel frame so as to be vertically movable with respect to a lower rail, in addition to a wheel frame supporting the wheels. The wheel frame is vertically moved and adjusted by adjusting screws screwed to the frame, the lower rail, and the like.

[0004]

However, the conventional door roller or door-attached fitting has a mounting frame in addition to the wheel frame and has a complicated structure with a large number of parts, so that it takes time to manufacture and assemble. However, there has been a problem that the cost must be increased. The lower rail is provided with a downwardly opened recess, and a guide hole is formed through the lower rail above the upper bottom of the recess, and an adjustment screw is screwed into the guide hole and the adjustment screw is screwed into the guide hole. A relatively simple structure of a door roller mounting device having a lower end rotatably connected to a door roller holder (Japanese Utility Model Application Laid-Open No. 51-889).
Japanese Patent Application Laid-Open No. 39-39) has been proposed, but there is a problem that when adjusting the door roller, the adjusting screw must be screwed into the guide hole of the lower rail, and the installation is troublesome.

An object of the present invention is to provide a door-fitting fitting having a simple structure, easy to manufacture and assemble, and capable of reducing costs.

[0006]

According to one aspect of the present invention, there is provided a fitting with a door roller according to the present invention, comprising: a fitting main body having a lower rail having a downwardly open groove; A door wheel having a wheel frame fitted in the groove of the door frame, the wheel frame being pivotally supported on the wheel frame, and the wheel frame provided at least on the side wall of the groove of the lower rail so that the wheel frame can be moved in the vertical direction. A guide screw, an adjusting screw screwed into the upper portion of the wheel frame, and a hole drilled in the upper wall of the groove of the lower rail to engage the head of the adjusting screw from below to expose it. And a hole.

According to a second aspect of the present invention, there is provided a fitting with a door roller, comprising a lower beam formed of a shape member having a groove opened downward by a side wall on both sides and an upper wall connecting the both sides. A door frame having a main frame, a wheel frame having a substantially inverted U-shaped cross-section fitted into a groove of a lower rail of the fitting main body, and a wheel frame pivotally supported by the wheel frame; A projection provided on the side piece, a guide groove formed on the side wall of the lower rail, and engaging the projection to support the wheel frame so as to be movable in the vertical direction; and an upper piece of the wheel frame. An adjustment screw having a flanged head screwed almost vertically to the part, and drilled in the upper wall of the lower crosspiece,
A hole for exposing the head of the adjusting screw by engaging it from below so that a flange thereof abuts on the lower surface of the upper wall.

[0008]

According to the door fitting with a door roller according to the first aspect of the present invention, the wheel frame of the door roller is fitted into the groove of the lower rail of the fitting body, and the guide is provided at least on the side wall of the groove of the lower rail. A structure that supports the wheel frame movably in the vertical direction, has a simple structure that does not require a door frame, and has a head of an adjusting screw screwed on the upper part of the wheel frame for the lower rail. It is configured to engage and expose the hole formed in the upper wall of the groove from below, so that the door wheel can be attached with one touch in the groove of the lower rail, making manufacture and assembly easy. Yes, cost can be reduced.

According to the door fitting with a door roller according to the second aspect of the present invention, the wheel frame of the door roller is fitted into the groove of the lower rail made of the shape of the fitting main body, and is provided on the side piece of the wheel frame. A structure in which the protrusion is engaged with a guide groove formed in the side wall of the lower rail to support the wheel frame so as to be movable in the vertical direction. The head of the adjusting screw having a flanged head screwed into the upper piece of the wheel frame is inserted into the hole formed in the upper wall of the lower rail so that the flange contacts the lower surface of the upper wall. Since it is configured so as to be engaged and exposed from below, the door wheel can be attached with one touch in the groove of the lower rail, making it easy to manufacture and assemble and reducing costs.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a shutter will be described below in detail with reference to the accompanying drawings. In FIG. 2, reference numeral 1 denotes a main body of a shutter as a fitting (a fitting main body). The main body 1 is composed of an upper rail 2, a lower rail 3, and left and right vertical stiles 4 and 4, which are framed in a rectangular shape, and a panel material (face Material 5 is incorporated. As the panel material 5, a metal corrugated plate, a material in which a heat insulating material is sandwiched between metal plates, or the like is applied.

As shown in FIGS. 1 to 4, the lower rail 3 has vertical side walls located on the indoor side and the outdoor side (also referred to as side pieces, in order to avoid confusion with the side pieces of the wheel frame). A cross section having a shallow groove 6 opened upward and a deep groove 7 opened downward by a horizontal upper wall portion (also referred to as a connecting piece portion) 3c connecting these components to each other. It is formed of, for example, an extruded aluminum alloy formed in an H shape. In the upward groove 6, the panel material 5 having a thickness which is at least half the width of the groove is attached to the outdoor side so that the panel material is placed on the upper wall 3c which is the upper wall of the groove 7. A space area S is provided in which a rotation operation of an adjustment screw 16 described later can be performed from the indoor side without interfering with the space 5. The panel material 5 may have the same thickness as the width of the upward groove 6 and may be formed in a groove shape only at the adjustment screw 16 to secure the space area S.

In the downward groove 7 of the lower beam 3, two door wheels 8, 8 are attached at intervals in the longitudinal direction. The door roller 8 has a wheel frame (casing) 9 having a substantially inverted U-shaped cross section fitted into the groove 7 of the lower rail 3, and a horizontal support between both side pieces 9 a and 9 b of the wheel frame 9. A wheel 11 is rotatably supported via a shaft 10. The wheel frame 9 is made of a metal plate.
a, 9b are formed so that their outer widths are both side walls 3a, 3
It is formed by being bent at a right angle so as to be almost the same width as the inner width between b.

The one side wall 3a of the groove 7 and the corresponding side piece 9a of the wheel frame 9 are provided with the wheel frame 9
Is provided so that the wheel frame 9 can be tilted when the shutter is opened and closed, move left and right along the groove 7, or the door wheel 8 falls out of the groove 7. Has been prevented. In the present embodiment, as shown in FIGS. 3 and 4, the guide portion 12 is a vertically long protrusion (protrusion) 13 projecting outward from one side piece 9 a of the wheel frame 9.
And a vertically elongated guide groove 14 provided on one of the side wall portions 3a of the lower rail 3 corresponding thereto and supporting the wheel frame 9 movably in the up-down direction by engaging the protrusions 13. It is configured. This

The guide groove 14 is formed to be longer than the projection 13, and regulates the vertical movement of the wheel frame 9 within a predetermined range. In the present embodiment, the protrusion 13 is provided by punching, and the guide groove 14 is formed as a slit-like long hole penetrating the side wall 3a, thereby facilitating the manufacture. In addition, the protrusions 13 and the guide grooves 14 may be arranged in one line, but by having two lines, the stability of the wheel frame 9 is improved. Further, an inclined surface 13a is formed at the upper end of the protrusion 13, so that the wheel frame 9 is formed.
Can be easily inserted into the groove 7 of the lower rail 3 from below.

In the upper piece 9c of the wheel frame 9, a screw hole 1 is provided at a position eccentric from the center so as to correspond to the space area S.
The screw hole 15 has a head 16 with a flange 16b.
An adjusting screw 16 having a is vertically screwed from above. A hole is formed in the upper wall 3c of the lower beam 3 to expose the head 16a of the adjusting screw 16 by engaging the head 16a from below so that the flange 16b of the adjusting screw 16 contacts the lower surface of the upper wall 3c. 17 are drilled. Head 16 of adjustment screw 16
a is formed in a plane circular shape, and the hole 17 is provided with an adjusting screw 16.
The adjusting screw 16 is formed in a circular shape having an inner diameter slightly larger than the head 16a so that the head 16a of the adjusting screw 16 is loosely engaged (fitted) rotatably. The flange 16b is integrally formed directly below the head 16a, and is formed in a circular shape having an outer diameter larger than that of the hole 17 so as to abut on the lower surface of the upper wall 3c. As a result, the door roller 8 can be mounted in the groove 7 of the lower rail 3 with one touch from below, and the head 16a of the adjusting screw 16 exposed upward from the hole 17 of the upper wall 3c of the lower rail 3 is mounted on the chamber. The door can be easily rotated by a driver or the like from the inside, and the installation of the shutter can be easily adjusted.

In the rain door having the above structure, the wheel frame 9 of the door roller 8 is fitted into the downward groove 7 of the lower rail 3 made of a profile, and is provided on the side piece 9a of the wheel frame 9. The projection 13 is formed in a guide groove 14 formed in the side wall 3a of the lower beam 3.
And has a simple structure that does not require a door frame, and has a flanged head screwed onto the upper part of the wheel frame 9. 16
The head 16a of the adjusting screw 16 having a flange 16b is formed in the hole 17 formed in the upper wall 3c of the lower rail 3 by the flange 16b.
Is configured to be engaged and exposed from below so as to abut on the lower surface of the.

Therefore, when the door roller 8 is mounted, the wheel frame 9 is inserted into the groove 7 of the lower rail 3 from below to engage the projection 13 in the guide groove 14 and the head 1 of the adjusting screw 16.
It is only necessary to engage the hole 6a with the hole 17 of the upper wall 3c of the lower rail 3 from below, and unlike the conventional door roller in which an adjusting screw is screwed into the hole of the lower rail 3, the door wheel 8 can be quickly mounted with one touch. And it can be easily performed, and the assembling workability is improved. In addition, since the shutter has a simple structure and a small number of parts as described above, the manufacturing and assembly can be facilitated and the cost can be reduced.

When the door roller 8 is mounted, the lower rail 3 is elastically deformed by the wheel frame 9 and the side walls 3a and 3b of the lower rail 3.
The wheel frame 9 can be easily fitted into the groove 7, but the protrusion 13 has the inclined surface 13a at the upper end, so that the wheel frame 9 can be fitted more easily, and the assembling workability can be improved. At the time of mounting adjustment, the head 16a of the adjusting screw 16
Can be rotated from the indoor side with a screwdriver or the like. When the adjustment screw 16 is rotated in a loosening direction, the flange 16b of the head 16a is rotated.
Is in contact with the lower surface of the upper wall portion 3c, the fitting body 1 is pushed up, and when the fitting body 1 is rotated in the direction of tightening the adjustment screw 16, the fitting body 1 comes to descend by its own weight. It can be easily performed from the indoor side. The adjusting screw 16 may be a forward screw, but is preferably a reverse screw in terms of operability.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various design modifications and the like are possible without departing from the gist of the present invention. It is. For example, in the shutter of the embodiment,
Due to the deep door groove of the sash frame, the indoor side wall 3a of the lower beam 3
Since the guide groove 14 formed in a slit shape can be concealed, it may be kept as it is, but in order to improve the external appearance, a blind seal for covering the guide groove 14 is attached to the outer surface of the side wall 3a of the lower rail 3. May be attached. Alternatively, as shown in FIG. 5, a guide groove 14 opened to the inside may be formed in the side wall 3a.

As shown in FIG. 6, the guide portion 12 for supporting the wheel frame 9 so as to be movable in the vertical direction is provided only on one side wall 3a of the lower frame 3 so as to regulate both ends of the wheel frame 9. May be provided in a rib shape. In the above embodiment, the wheel frame 9 is formed of a metal plate, but the wheel frame 9 may be made of a synthetic resin or the like. The lower rail 3 is preferably made of a metal, but may be made of a synthetic resin or the like, or may be a simple wooden material instead of the shape. The adjusting screw 16 does not necessarily have to have the flange 16b on the head 16a. For example, the head 16a is formed in a tapered or trapezoidal shape, and the tapered surface is formed in the hole 17 of the lower bar 3. You may make it engage. Further, in the above embodiment, an example in which the present invention is applied to a rain door is shown. However, the present invention can be applied to, for example, a sliding door in addition to a rain door, and it is not limited to indoor or outdoor use.

[0021]

In summary, according to the present invention, the following excellent effects can be obtained.

According to the first aspect of the present invention, the wheel frame of the door wheel is fitted into the groove of the lower rail of the fitting body and is provided at least on the side wall of the groove of the lower rail. A structure that supports the wheel frame movably in the vertical direction by a guide portion, has a simple structure that does not require a door frame, and has a head of an adjusting screw screwed into an upper portion of the wheel frame. Since it is configured to engage and expose a hole formed in the upper wall of the groove of the lower rail from below, a door wheel can be mounted in the groove of the lower rail with a single touch, thereby manufacturing and assembling. And the cost can be reduced.

(2) According to the door fitting with a door roller according to the second aspect of the invention, the wheel frame of the door roller is fitted into the groove of the lower crosspiece made of the shape of the fitting main body, and the side frame of the wheel frame is A structure in which the provided protrusion is engaged with a guide groove formed in the side piece of the lower rail to support the wheel frame movably in the vertical direction, and has a simple structure that does not require a mounting frame for a door wheel. In addition, the head of the adjusting screw having a flanged head screwed to the upper part of the wheel frame is brought into contact with a hole formed in the upper wall of the lower crosspiece so that the flange contacts the lower surface of the upper wall. Since it is configured to be engaged and exposed from below as described above, the door wheel can be attached with one touch in the groove of the lower rail, thereby facilitating manufacture and assembly, and reducing costs.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment in which the present invention is applied to a shutter.

FIG. 2 is a front view showing a schematic configuration of a shutter as viewed from the indoor side.

FIG. 3 is a front view of the door roller shown in FIG.

FIG. 4 is a perspective view showing a state where the door wheel is mounted on the lower rail.

FIG. 5 is a partial sectional view showing another embodiment of the present invention.

FIG. 6 is a bottom view showing still another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fitting main body 3 Lower beam 3a, 3b Side wall 3c Upper wall 7 Groove 8 Door car 9 Wheel frame 9a, 9b Side piece 9c Upper piece 11 Wheel 12 Guide 13 Projection 14 Guide groove 16 Adjustment screw 16a Head 16b Tsuba 17 hole

Claims (2)

(57) [Claims] 1. A fitting body provided with a lower rail having a downwardly open groove, and a wheel frame fitted in a groove of the lower rail of the fitting body, wherein a wheel is supported by the wheel frame. A door roller, a guide portion provided at least on a side wall portion of the groove of the lower rail and supporting the wheel frame movably in the vertical direction, an adjusting screw screwed to an upper portion of the wheel frame, And a hole formed in the upper wall portion of the groove of the crosspiece to expose the head of the adjusting screw by engaging the head from below. 2. A fitting main body having a lower crosspiece made of a shape member formed so as to have a groove opened downward by a side wall part on both sides and an upper wall part connecting the two, and a lower crosspiece of the fitting main body. Having a substantially U-shaped wheel frame fitted in the groove,
A door wheel having a wheel pivotally supported by the wheel frame, a protrusion provided on a side piece of the wheel frame of the door wheel, and a wheel formed by engaging the protrusion formed on a side wall portion of the lower rail. A guide groove for supporting the frame movably in the vertical direction, an adjusting screw having a flanged head screwed substantially perpendicularly to the upper piece of the wheel frame, and a hole drilled in the upper wall of the lower rail. And a hole for exposing and exposing the head of the adjusting screw from below so that its flange abuts against the lower surface of the upper wall.