JPH0557287U - Lower rail groove closing device - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] To provide a groove closing device that can open and close the groove of the lower rail that guides the door by itself when the door is opened and closed. [Structure] A closing body 8 that covers the groove portion 7 of the lower rail is pivotally mounted via a hinge 11 so as to be openable and closable, and a rotation control body 16 is provided at an end portion of the closing body. The closing body is erected by engaging with the door-end frame 5 and is further separated from the door-end frame to collapse the closing body to close the groove.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a device for closing a groove portion of a lower rail on which a folding door is guided.

[0002]

[Prior Art]

 The folding door is composed of a plurality of panels that can be bent, and is suspended by an upper rail to open and close. The slider provided at the lower end is loosely fitted in the groove of the lower rail. Therefore, the slider slides along the groove as the folding door is opened and closed to guide the folding door. Therefore, when the folding door is extended and the frontage is closed, the folding door is located above the groove portion of the lower rail, so that the groove portion is in the closed state, but if it is folded and stored. The groove portion is in an open state.

The presence of such open groove portions on the floor not only impedes the opening and closing of the folding door due to the entry of dust and the like, but also the groove portions themselves obstruct passage. Therefore, when the folding door is folded, it is desirable that the opening groove portion be closed. As a conventional technique, there is known a "gap sealing device for opening frame" according to Japanese Patent Laid-Open No. 3-224986. In this device, the fixed frame (lower rail) part and the blocking movable frame (groove lid) are connected by a tilting arm (link), and the blocking movable frame can be moved up and down by the rotation of the tilting arm. In order to use this device, the depth of the lower rail must be deeper, which makes it easier to be constrained in construction. Also, because the link mechanism is adopted, the structure itself becomes complicated and the stability of the function is stable. Or leave a problem with maintenance.

[0004]

[Problems to be solved by the present invention]

 As described above, the conventional lower rail groove closing device has the above-mentioned problems. The problems to be solved by the present invention are these problems, and provide a closure device having a simple structure, maintenance-free, and a stable closure function.

[0005]

[Means for Solving the Problems]

 The groove closing device of the present invention has the following features in order to solve the above problems. That is, in the groove closing device, a closing body that covers the groove of the lower rail is pivotally mounted via a hinge so as to be openable and closable, and one end of the closing body has a rotation control body. The above-mentioned closing body is attached to the lower rail in a detachable state, and at the same time when the door is opened, the groove can be closed by itself, and conversely, when the door is closed, it can also be opened by itself. Fulfill.

That is, the rotation control body is engaged with a door end frame of a door or a member fixed to the door end frame to open the closing body, and closes the closing body by moving away from the door end frame. In order to make it possible, a continuous guide surface or guide line is formed from the tip edge of the closing body without steps, and the guide surface or the tip of the guide line extends toward the hinge side that pivotally attaches the closing body, and at least the front end frame Protruding from the surface of. Here, not only folding doors but also sliding doors are covered. Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

[0007]

【Example】

 FIG. 6 shows a general folding door device. As is well known, the folding door device is composed of a plurality of panels 1, 1, ... Which are flexibly connected via joints 2, 2 ,. The upper rail 3 is suspended via a traveling tool (not shown), and the lower end is guided by the lower rail 4. A door frame 5 is provided at the tip of the folding door, and a hanging frame 6 is provided at the hanging base side. By pressing the door frame 5 toward the hanging base side, each panel 1, 1 ... Is folded and stored. ..

FIG. 1 shows a concrete example of the groove closing device of the present invention, which is attached to the lower rail 4 and closes the groove 7 of the lower rail 4. In the figure, the folding door is folded. In this case, the closing body 8 of the lower rail 4 closes the groove portion 7, and when the folding door extends, the closing body 8 stands up to open the groove portion 7 and the folding door. The slider 9 slides along the groove 7. The closing body 8 is a plate-shaped body having a predetermined width, and can be opened and closed by being attached to the receiver 10 via the hinge 11. Moreover, the receiving body 10 can be detachably attached to the lower rail 4 by screws. It is worn. The lower rail 4 is composed of an outer member 12 and an inner member 13. The inner member 13 is put into an outer member 12 having a substantially U-shaped cross section and welded through an edge member 14 having an L-shaped cross section. The groove portion 7 is formed by being screwed to one side of the inner member 13. The closing body 8 covers the groove portion 7 and the receiver 10 in a closed state, and the leading edge 15 thereof is supported by the upper piece of the inner member 13.

Then, a rotation control body 16 is attached to one end of the closing body 8 (folded door side), and the rotation control body 16 is engaged with the door end frame 5 of the folding door. It is detached and the closing body 8 is opened and closed. The rotation control body 16 is a kind of block body, the tip 17 of which is higher than the closing body 8 and located on the hinge 11 side, and moreover projects from the surface 18 of the door frame 5. A guide line 20 is formed from the tip 17 through the bending point 19 to the starting point 21, and the corner 22 of the door frame 5 moves along the guide line 20 and raises the closing body 8 to open the groove portion 7 as it moves. Therefore, it is preferable to form the guide line 20 with a smooth curve from the tip 17 to the starting point 21, and it is not necessary to form the bending point 19 as in the rotation control body 16 shown in FIG. Further, a guide surface may be formed instead of the guide wire 20 so as to make a line contact without making a point contact with the corner 22. The starting point 21 of the rotation control body 16 is continuous with the tip edge 15 of the closing body 8 without a step.

Here, the rotation control body 16 forms a block body and is screwed to the end of the closing body 8. However, it is also possible to form a plate-like molded body, and sometimes the closing body. The guide wire 20 may be formed by molding the end portion of the wire 8. Although the specific shape of the guide wire 20 is not limited, a line formed so as to be higher than the closing body 8 and to extend from the position of the tip 17 protruding from the surface 18 of the door frame 5 to the tip edge 15 of the closing body 8. Is.

FIG. 2 is a diagram showing FIG. 1 in a three-dimensional view. When the folding door is completely folded, the door frame 5 is separated from the rotation control body 16, and as a result, , The closing body 8 falls and closes the groove 7. In FIG. 3, the door frame 5 is moved slightly after coming into contact with the rotation control body 16, and as a result, the closing body 8 is in a slightly upright position. If the corner 22 of the door frame 5 contacts the guide wire 20, the component of the pressing force acts as a moment around the hinge shaft, and the closing body 8 stands up.

FIG. 4 shows a case where the door frame 5 is further moved. The door frame 5 reaches the closing body 8 beyond the rotation control body 16, and the door frame 5 is moved along the completely opened groove portion 7. 5 The slider 9 attached to the lower end moves. In this case, the standing closing body 8 is not perpendicular to the lower rail 4, but is in an inclined state with the leading edge 15 supported by the folding door. Therefore, when the folding door is folded and stored, the door end frame 5 is separated from the rotation control body 16, and at the same time, the closing body 8 naturally falls and closes the groove portion 7.

5A to 5C are sectional views showing the movements of the closing body 8 and the rotation control body 16, where a corresponds to FIG. 2, b corresponds to FIG. 3 and c corresponds to FIG. 4, respectively. As described above, the groove closing device for the lower rail of the present invention has the closing body for opening and closing the groove, and the rotation control body is provided at the end of the closing body so that it can be engaged with the door end frame of the door. You can obtain the following effects.

[0014]

[Effect of the device]

 The closing device of the present invention comprises a closing body provided with a rotation control body at an end thereof so as to be openably and closably attached, and a door end frame is engaged with the rotation control body to close the closing body. By raising the door, and conversely the door tip frame is separated from the rotation control body, it is possible to naturally fall and close the groove. In this way, the structure of the closing device is very simplified, and its operation is stable by the movement of the door, and no particular maintenance is required.

[Brief description of drawings]

1 is a plan view, b is a front view, and c is a sectional view showing an embodiment of the groove closing device of the present invention.

FIG. 2 is a state before the door-end frame of the folding door comes into contact with the rotation control body.

FIG. 3 shows a state in which the door end frame of the folding door is in contact with the rotation control body and the closing body is slightly raised.

FIG. 4 shows a state in which the closing body is completely erected and the groove is opened.

FIG. 5 shows movements of a rotation control body and a closing body.

FIG. 6 is a front view of a general folding door device.

[Explanation of symbols]

 1 panel 2 joint 3 upper rail 4 lower rail 5 door end frame 6 suspension base frame 7 groove part 8 closing body 9 slider 10 receiving 11 hinge 12 outer member 13 inner member 14 edge material 15 tip edge 16 rotation control body 17 tip 18 surface 19 Bending point 20 Guide line 21 Starting point 22 Square

Claims (1)

[Scope of utility model registration request] 1. A groove portion of a lower rail for guiding a door when opening and closing, wherein a closing body for covering the groove portion is rotatably pivoted through a hinge, and a door is provided at an end portion of the closing body. Is provided with a rotation control body for engaging the door end frame portion of the closing body to raise the closing body to open the groove portion, and the rotation control body forms a continuous guide line or guide surface without a step from the tip edge of the closing body. Forming,
The lower rail groove closing device is characterized in that the ends of the guide lines or the guide surfaces are higher than the closing body and are formed at a position further protruding from the surface of the door frame.