JPH0592384U - Folding door device - Google Patents

Abstract

(57) [Abstract] [Purpose] To eliminate the conventional defect that the guide groove is clogged with dust or dust by eliminating the guide groove with the upper opening on the lower guide rail that guides the folding door component plate. The purpose is. [Structure] One flap 28 of a pair of upper and lower hinges 27 is attached to at least one outer edge of a pair of folding door constituting plates 18 connected by a connecting hinge 24 so that an axis of a connecting pin 29 is coaxial. A bracket 30 is provided on the other flap 28 of the upper hinge 27, and a support roller 31 having an axis centered in the front-rear direction is provided on the bracket 30.
Is rotatably provided, the support roller 31 is guided by the upper guide rail 9 which is long in the left-right direction, and the other flap 28 of the lower hinge 27 is provided with a bracket 35 having an L-shaped cross section. A guide roller 36 having an axis centered in the up-down direction is rotatably provided on the upper part of the horizontal portion of 35, and the guide roller 36 is guided by a guide groove 7 opened below a lower guide rail 6 which is long in the left-right direction. ing.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a folding door device.

[0002]

[Prior Art]

 Conventionally, the following types of folding door devices have been known. That is, a bracket is horizontally rotatably provided on a vertical axis above at least one outer edge of a pair of folding door constituting plates connected by a connecting hinge, and a support roller having an axis centered in the front-rear direction is rotated on the bracket. This support roller is guided freely by the upper guide rail that is long in the left-right direction, and on the other hand, it is coaxial with the vertical axis below the outer edge of the folding door construction plate with the bracket attached. It is known that a hanging pin is provided, and the hanging pin is guided in a guide groove having an opening on the upper side of a lower guide rail that is long in the left-right direction.

[0003]

[Disadvantages of the prior art]

 The conventional folding door device has the following drawbacks. That is, since the hanging pin was designed so as to be guided by the guide groove having the opening on the upper side of the lower guide rail that is long in the left-right direction, dust and dust are likely to be clogged in the guide groove, which is why There were drawbacks such that dust and dust hindered the smooth movement of the hanging pin, and the guide groove having an opening on the upper side impaired the appearance.

[0004]

[Means for eliminating the above drawbacks]

 This invention adopts the following means in order to solve the above-mentioned drawbacks. According to the invention, one flap of a pair of upper and lower hinges is attached to at least one outer edge of a pair of folding door constituting plates connected by a connecting hinge so that the axial center of the connecting pin is coaxial with each other. A bracket is provided on the other flap of the hinge, and a support roller with its axis oriented in the front-rear direction is rotatably provided on this bracket, and this support roller is guided by an upper guide rail that is long in the left-right direction. A bracket having an L-shaped cross section is provided on the other flap of the lower hinge, and a guide roller having an axial center in the vertical direction is rotatably provided on the upper surface of the horizontal portion of the bracket. It is designed to be guided in a guide groove that opens below the lower guide rail that is long in the left-right direction.

[0005]

[Function of the device]

 This device has the following actions. The folding door opens and closes as the support roller and the guide roller move along the upper and lower guide rails.

[0006]

【Example】

 The present invention will be described below based on an embodiment shown in the drawings. In this specification, the front means the front side of FIG. 1, the rear means the back side, the left means the left side of FIG. 1, and the right means the right side. As shown in FIGS. 1 and 3, the frame body 4 of the folding door device 1 includes a pair of left and right vertical frame members 2 and a pair of upper and lower horizontal frame members 3 that are arranged above and below the vertical frame members 2. ing.

As shown in FIG. 3, a guide rail 6 that is long in the left-right direction is provided on the lower horizontal frame member 3, and the guide rail 6 has a guide groove 7 that opens downward. A guide rail 9 which is long in the left-right direction is provided on the upper horizontal frame member 3, and the guide rail 9 is provided with a vertical fixed base portion 10 and an upper surface which is provided on the fixed base portion 10 so as to extend horizontally toward the front. A horizontal wall 11 having a guide groove 12 is provided, and a roller drop-prevention rail 13 which is provided on the fixed base 10 so as to be adjustable in vertical position by a mechanism described later and which prevents a support roller 31 described later from coming off. is doing. Long holes 14 which are long in the up-down direction are formed at predetermined intervals in the left-right direction on the roller fall prevention rail 13, and screws 15 are screwed into the screw holes formed in the fixed base 10 through the long holes 14, The roller fall prevention rail 13 can be vertically moved with respect to the fixed base 10. Then, when the roller drop-out prevention rail 13 is moved to the uppermost position, a support roller 31 described later can be removed to the front side.

As shown in FIG. 2, the folding door 18 is composed of two folding door constituting plates 19 that are flexibly connected by a required number of connecting hinges 24. A concave step portion 20 having an L-shaped cross section is formed on the left and right edges and the upper and lower edges of the rear surface of each folding door constituting plate 19 (see also FIG. 3). Then, one decorative sheet 21 is attached to the front surface, the left and right side surfaces and the upper and lower side surfaces of the folding door constituting plate 19, and the edge portion of the decorative sheet 21 extends to the concave step portion 20 and is folded and attached thereto. There is. That is, the edge of the decorative sheet 21 is in the form of entering the concave step portion 20.

A packing 22 having a V-shaped cross section is attached to the edge of the folding door constituting plate 19 which is not connected by the connecting hinge 24 so as to extend in the vertical direction. The curved portion of the packing 22 has great elasticity. A packing 23 that prevents the connecting hinge 24 from being seen from the front is attached to the edge portion of the folding door constituting plate 19 which is connected by the connecting hinge 24 so as to be invisible from the front. The packing 23 has left and right hard base portions 23a and elastic bending portions 23b that connect the hard base portions 23a and bulge forward.

As shown in FIGS. 3, 5 and 6, each of the folding doors 18, specifically, the two folding door constituting plates 19 is provided with an upper hanging tool 26 and a lower guide tool 34. The guide rail 6 and the guide rail 9 are guided so as to be movable left and right. The suspending tool 26 includes a hinge 27 having a pair of flaps 28 connected by a connecting pin 29, a bracket 30 attached to one flap 28 of the hinge 27, and an axis center of the bracket 30. It has a pair of support rollers 31 rotatably provided so as to be oriented in the front-rear direction. The bracket 30 and the flap 28 to which the bracket 30 is attached may be integrated. The flap 28 to which the bracket 30 is not attached is attached to the upper right end of the rear folding door constituting plate 19 on the rear right side and the upper left end of the rear folding door constituting plate 19 on the left side. The support roller 31 is placed on the horizontal wall 11 of the guide rail 9. The guide tool 34 includes a hinge 27 having a pair of flaps 28 connected by a connecting pin 29, a bracket 35 having an L-shaped cross section attached to one flap 28 of the hinge 27, and a horizontal portion of the bracket 35. The upper part has a pair of guide rollers 36 rotatably provided with the axis centered in the vertical direction. The bracket 35 and the flap 28 to which the bracket 35 is attached may be integrated. The flap 28, to which the bracket 35 is not attached, is attached to the lower right end of the rear surface of the folding door forming plate 19 on the right side and the lower left end of the rear surface of the folding door forming plate 19 on the left side. The guide roller 36 is fitted in the guide groove 7 of the guide rail 6. The connecting pin 29 of the hanging tool 26 and the connecting pin 29 of the guide tool 34 located above and below are coaxial. With such a structure, the folding door 18 is designed to be able to be folded so as to project to the front side. That is, the flaps 28 of the hinges 27 are in close contact with the folding door constituting plates 19 aligned in a straight line (the folding doors 18 are closed), and the flaps 28 of the hinges 27 are opened as the folding doors 18 are opened. It is designed to be separated from each other. Alternatively, one of the folding door constituting plates 19 may be pivotally attached to the frame body 4.

[0011]

[Effect of the device]

 The present invention has the following effects due to the above-described configuration. One flap of a pair of upper and lower hinges is attached to at least one outer edge of the pair of folding door constituting plates connected by the connecting hinges so that the axis of the connecting pin is coaxial, and the upper hinge is attached. A bracket is provided on the other flap, and a support roller having an axis in the front-rear direction is rotatably provided on the bracket, and the support roller is guided by an upper guide rail that is long in the left-right direction, and the support roller of the lower side is provided. A bracket having an L-shaped cross section is provided on the other flap of the hinge, and a guide roller having an axial center in the vertical direction is rotatably provided on the upper surface of the horizontal portion of the bracket, and the guide roller is long in the left-right direction. Since it is guided by the guide groove opened below the lower guide rail, that is, unlike the prior art, there is no guide groove with an upper opening on the lower guide rail. Since the guide groove is not clogged with dust or dust, the guide roller can be moved smoothly at all times, and there is no guide groove with an opening on the upper side that spoils the appearance, so the appearance is refreshing. It can be something.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view taken along the line II-II of FIG.

FIG. 3 is an enlarged cross-sectional view of an intermediate illustration along line III-III of FIG.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a perspective view of a lifting tool.

FIG. 6 is a perspective view of a guide tool.

[Explanation of symbols]

 6 Guide Rails 7 Guide Grooves 9 Guide Rails 11 Horizontal Walls 12 Guide Grooves 18 Folding Doors 19 Folding Door Construction Plates 24 Connecting Hinge 27 Hinge 28 Flap 29 Connecting Pin 30 Bracket 31 Support Roller 34 Guide Tool 35 Bracket 36 Guide Roller

Claims (2)

[Scope of utility model registration request] 1. One flap of a pair of upper and lower hinges is attached to at least one outer edge of a pair of folding door constituting plates connected by a connecting hinge so that an axis of a connecting pin is coaxial, and an upper side of the pair of hinges is attached. A bracket is provided on the other flap of the hinge, and a support roller having an axis in the front-rear direction is rotatably provided on the bracket. The support roller is guided by an upper guide rail that is long in the left-right direction, and the lower side A bracket having an L-shaped cross section is provided on the other flap of the hinge, and a guide roller having an axial center in the vertical direction is rotatably provided on an upper portion of a horizontal portion of the bracket.
A folding door device in which the guide roller is guided in a guide groove opened below a lower guide rail that is long in the left-right direction. 2. The folding door device according to claim 1, wherein the hinge flap and the bracket are integrally formed.