JP2000345778A - Expansion-contraction position controller for expansion- contraction door body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly open and close an expansion-contraction door body at all times, ensuring safety by installing bendable links at both end sections of a door-body component sash bar connected by an expansion-contraction mechanism and releasing constraints in the upper sections of guide rails by link guides for the guide rails in the links. SOLUTION: In expansion-contraction control means 3 for the expansion-contraction door body A, adjacent door-body component sash bars 1 are brought to a discretely expansible state while the discrete expansion and contraction of the adjacent door component sash bars 1 are controlled so as to be successively conducted in the open - close direction at fixed positions by interposing discrete expansion-contraction mechanism among the adjacent door-body component sash bars 1 respectively. A bendable link 32 is installed at both end sections of the door-body component sash bars 1 connected by the expansion-contraction mechanism at that time. The operation of the link 32 is controlled by releasing a constraint in the upper section of a guide rail 5 by a link guide 52 for the guide rail 5 in the link 32 and bringing the link 32 to a bent and folded state, and an opening surface can be opened and closed and moved forward under the state in which the door body A is extended.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telescopic door, and more particularly to a telescopic position regulating device.

[0002]

2. Description of the Related Art For example, Japanese Patent Laid-Open No. Hei 10-88939 by the present inventor is known as this kind of telescopic door. According to this, a large number of partition units are formed by making the pair of door body constituent bars extendable and contractible by providing an individual telescopic mechanism between a pair of adjacent door body constituent bars, and the large number of partition units are provided. The telescopic door body is configured so that the guide rollers of each partitioning unit are guided by guide rails to open and close by connecting the bodies in a freely bendable manner, for example, the longitudinal length of a pair of door body forming bars in each partitioning unit. A V-shape in which a guide roller for bending guide is installed at the end of a long side link by combining a long and short link with one end being made longer and the other being made shorter and the other being made shorter in the V-shape at the direction end. While providing the bending / extending link, it is installed so as to cover the entire length of the door in the opening and closing direction, and guides the guide rollers for the bending guide straight from the front end in the opening and closing direction to a predetermined position, so that each V-shaped link is provided. By maintaining the links in a stretched state, each of the V-shaped bending / extending links is restrained in an inwardly V-shaped expanded state, and the guide rollers for bending / extending guides are sequentially opened at predetermined positions, thereby forming the V-shaped bending / extending links. The above-mentioned restraint is released to release the stretched state, thereby providing a guide rail for bending and guiding the V-shaped bending and extending link in a bent and folded state inside the partitioning unit body, and a telescopic door body. Are restricted.

[0003]

In this case, since the partitioning unit of the telescopic door unit is individually expanded and contracted by the V-shaped bending / extending link, the telescopic door unit is opened and closed in the state where the partitioning unit is extended. , And sequentially expands and contracts at a predetermined position, preventing as much as possible a person's hand from being caught in opening and closing, and making it a vertical or horizontal pull that ensures safety For example, it is possible to provide a telescopic door body such as a see-through shutter, but it is possible to provide a V-shaped bending / extending link as a combination of long and short links, install a guide roller on the long link, and guide it straight. The V-shaped expanded state is constrained by maintaining the guide rail in a protruding state, and the opening and closing of the telescopic door body tends to be heavy. It may may become impossible, practically improve this point is desired.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to provide a telescopic door body capable of constantly maintaining smooth opening and closing while ensuring the above-mentioned safety. To provide a regulatory device.

[0005]

According to the first aspect of the present invention, in accordance with the above-mentioned object, an individual telescopic mechanism is interposed between the adjacent door-forming bars to form the adjacent door-forming structure. In a telescopic door body provided with expansion and contraction restricting means for making each of the crossbars individually expandable and contractable so that the individual expansion and contraction of the adjacent door body constituent crossbars is sequentially performed in the opening and closing direction at a predetermined position in the opening and closing direction, Are provided at the longitudinal end of each of the door body constituent bars, protruding at one of the front and rear sides, and a guide roller for opening / closing guide, and rotatably supported coaxially with the guide roller for opening / closing, to be adjacent to each other. A bendable / extendable member is provided between the longitudinal ends of the door body bar so as to be able to flex outwardly, and is provided on the other central portion in the longitudinal direction so as to alternate with the opening / closing guide roller at the front and rear sides. Plan A bending / extending link having a guide roller for one side, and one of the front and rear opening / closing guide portions which are installed so as to extend over the entire length of the opening / closing direction of the telescopic door body and guide the guide roller for opening / closing guide straightly from a front end to a predetermined position in the opening / closing direction; The extension / restriction link is extended and constrained by guiding the bending / extension guide guide roller by arranging the opening / closing guide portion in parallel to a predetermined position in the longitudinal direction to advance the telescopic door body, and the inclined portion facing outward at the predetermined position. A guide rail having a link guide portion arranged to be spaced apart from the opening / closing guide in parallel and guiding the bending / extension guide guide roller so as to release the restraint of the bending / extending link and make the bending / extending link bent and folded. The telescopic position regulating device for the telescopic door body, characterized in that the telescopic position regulating device is provided with In order to further stably and reliably regulate the telescopic position of the telescopic door, the telescopic guide guide roller and the bending / extending link are provided at both ends in the longitudinal direction of the adjacent door structural bar and the guide is provided. The telescopic position restricting device for telescopic doors according to claim 1, wherein the telescopic restricting means is provided on both sides of the telescopic door by providing a pair of rails at both ends of the telescopic door. Are the means of solving the above-mentioned problems, respectively, as the gist of the invention.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings, in which A is a telescopic door, and the telescopic door A is individually telescopic between adjacent door-forming bars 1. By interposing the mechanism 2, the adjacent door body constituent bars 1 can be individually expanded and contracted, and the adjacent door body constituent bars 1 can be individually expanded and contracted in the opening and closing direction at predetermined positions in the opening and closing direction, respectively. It is provided with expansion / contraction restricting means 3 which performs.

That is, the telescopic door body A of this embodiment is made of, for example, aluminum and is formed into a see-through structure vertically retracted from the opening into the storage section 6 at the upper end so as to be stored vertically. The shutter is a vertically extending shutter that opens and closes in the direction (i.e., direction), and a large number of door body constituting bars 1 are arranged in parallel to the opening / closing direction, while individual extending / contracting mechanisms 2 are interposed between adjacent door body constituting bars 1 respectively. Each of the adjacent door component bars 1 can be individually expanded and contracted.

In the present embodiment, the large number of door-forming bars 1 are
A pair of parallel bars are provided in the front and rear, and the longitudinal ends are formed to form a horizontally long frame connected by an inverted T-shaped connecting member 11, respectively. The component bars 1 are connected in the opening / closing direction.
Is fixed at one end rotatably to the adjacent door body component bar 1 and slidably engages the other end, so that the adjacent door body component bar 1 expands / contracts or falls. For example, an X-shaped link or a bar link with a single bar or the like, which constitutes a decorative element by a combination of a straight line, a curve, and the like, is provided. Are arranged in the longitudinal direction to stably and individually expand and contract the adjacent door-forming bars 1.

At this time, in the individual telescopic mechanism 2, in the case of the X-shaped link, one end of the link bar is rotatably supported on the adjacent door-forming bar 1, and the other end of the link bar is adjacent. Each of them is slidably engaged with a slide groove of the door body constituting bar 1 via a roller, and is rotatably supported at an intersection as necessary. It is rotatably supported by the body-constituting bar 1 and rotatably supported, and the other end is slidably engaged with the slide groove of the other door-constituting bar 1 similarly via a roller.

The expansion / contraction restricting means 3 is provided with an opening / closing guide roller 31 protruding at one of the front and rear sides provided at a longitudinal end of each of the door constituent bars 1, and coaxially with the opening / closing guide roller 31. The guide roller 31 for opening and closing guides is rotatably supported so as to bend outwardly between the longitudinal end portions of the adjacent door body constituting bars 1 in the outward direction and to the centrally bent portion in the longitudinal direction. And a bending / extending link 32 provided with a bending / extending guide roller 34 protruding from the front and rear so as to be alternately front and rear, and installed over the entire length of the door A in the opening and closing direction to reach a predetermined position from the front end in the opening and closing direction. The opening / closing guide portion 51 that guides the opening / closing guide roller 31 in a straight line between the opening and closing guide portion 51 and the guide roller for bending / extending guide, which are arranged parallel to the opening / closing guide portion 51 to a predetermined position in the longitudinal direction. 4 to guide the bending / extension link 32 to extend and restrict the extension door body A, and to dispose the bending / extension guide at the predetermined position in parallel with the opening / closing guide portion 51 via an outwardly inclined portion. Guide roller 34 for guiding the bending and stretching link 3
The link guide part 5 which releases the restraint of 2 and makes it bend and fold.
2 and a guide rail 5 having the same.

The opening / closing guide roller 31 of this embodiment is
A connecting member 11 connecting both longitudinal ends of the door body constituting bar 1 by the frame is projected toward the guide rail 5 so as to partially enter the guide rail 5, and from the connecting member 11 in the front-rear direction (inside and outside). ) Is rotatably supported at the front and rear ends of the shaft toward the direction (i.

The bending link 32 is a pair of link bars 33 of the same length, which are in a state of being extended in series and having a length corresponding to the interval between the adjacent door-forming bars 1.
The end of the link bar 33 on the side of the door body forming bar 1 is rotatably supported coaxially and rotatably coaxially with an axis from a connecting member that supports the opening / closing guide guide roller 31. And the connecting member 1 is rotatably supported on the intermediate end of the connecting member 1 so as to be alternately front and rear with the opening / closing guide roller 31 on an intermediate shaft on which the supporting is performed.
1, the guide roller 34 for bending and extension is protruded toward the opposite side to the guide roller 31 for opening and closing guide, and is rotatably supported by the guide roller 34. Then, each can be bent outward.

The guide rail 5 has an opening / closing guide section 51 and a link guide section 52, for example, provided on the front and rear opposing surfaces inside the guide rail 5, respectively. Guide rollers 34 are individually guided. At this time, the opening / closing guide section 51 is installed inside the front and rear of the guide rail 5 so as to form a C-shaped cross section over its entire length. The guide roller 31 is guided to open and close the telescopic door body A, and the link guide portion 52 is, for example, inside the guide rail 5 and inside the front and rear and the front and rear, and the same as the open / close guide portion 51. The opening and closing guide portion 51 is installed so as to have the same C-shaped cross section so as to be long, and guides the bending / extension guide roller 34 so that the opening and closing guide In combination with the opening / closing guide guide roller 34 guided by the door portion 51, the bending / extending link 32 is restrained in a linearly extended state, and by releasing this restraint, the expansion and contraction of the telescopic door body A is regulated. At this time, the link guide portion 52 is positioned at a predetermined position from the front end in the opening direction, that is, in this example, from the lower end position of the opening surface to the storage portion 6.
A first straight guide portion 53 facing and parallel to the opening / closing guide portion 51 up to the upper end position of the opening surface in the vicinity.
At the upper end of the opening surface at the predetermined position, the inclined guide portion 54 is inclined and branched from an extension of the first straight guide portion 53 and outwards, in this example, toward the side of the telescopic door body A; The first and second rectilinear guides 53, 5 are again interposed between the inclined guide 54 and the second rectilinear guide 55 in the storage section 6 parallel to the opening / closing guide 51 via the inclined guide 54.
5 is arranged to be deviated in the width direction of the inner and outer doors A, that is, in the width direction of the telescopic door body A. At this time, the first straight guide portion 53 is located at the same position in the width direction facing the opening / closing guide portion 51.
The deviation width of the second rectilinear guide portion 55, that is, the opening / closing guide portion 51
Is set to be the distance between the opening / closing guide roller 31 and the bending / extension guide roller 34, which is half the length of the bending / extending link 32.

The opening / closing guide roller 31 and the link guide section 52 by the opening / closing guide section 51, and in particular, the bending / extension link 32 are brought into a serially extended state by the guide of the bending / extension guide roller 34 by the first straight guide section 53. While being constrained in this state, the door member bar 1 and the plurality of individual telescopic mechanisms 2 in the longitudinal direction thereof are maintained in the extended state to open and close the telescopic door member A, while the opening and closing guide roller 31 is opened. The straight extension guide by the opening / closing guide portion 51 and the link guide portion 52, in particular, the guide of the flexion / extension guide roller 34 by the inclined guide portion 54 and the second rectilinear guidance portion 55, cause the bending / extension link 32 to be in the above-described serially extended state. The guide roller 3 for bending / extension guide is released at an intermediate position of the bending / extending link 32 by the link guide portion 52.
By the pulling of 4, this is bent and folded, and the plurality of individual telescopic mechanisms 2 in the longitudinal direction of the telescopic door body A are each in a state where they can be expanded and contracted. It will be folded.

Therefore, the expansion and contraction restricting means 3 of this embodiment moves the expansion and contraction door A in the opening direction in the extended state when the expansion and contraction door A is opened, and puts a hand on the expansion and contraction while using the individual expansion and contraction mechanism 2. Even if it is possible to eliminate the possibility of the hand being caught in the door body constituting bar 1 or the expansion / contraction mechanism, it is possible to sequentially reduce and fold the door body constituting bar 1 at the upper end of the opening surface or at a predetermined position of the storage unit 6. On the contrary, at the time of closing, the expansion and extension of the telescopic door body A at the predetermined position and the advancement of the telescopic door body A in the closing direction in the extended state can be performed, and the expansion and contraction of the telescopic door body A can be suitably controlled.

In the drawing, reference numeral 56 denotes a guide block which defines the upper end of the first straight guide portion 53 of the link guide portion 52 and is installed so as to guide the guide roller 34 for bending guide to the tilt guide portion 54. Reference numeral 57 denotes tilt guide. A guide plate 58 fixed to the guide rail 5 so that the portion 54 is formed later defines a lower end of the second rectilinear guide portion 55 and is also installed so as to guide the bending guide roller 34 to the inclined guide portion 54. Guide block 62 supports the telescopic door body A on the upper frame 61 erected between the guide rails 5 so that the telescopic door body A can be stored in the storage part 6, and the telescopic link lowers the telescopic door body A to a fixed position. Reference numeral 63 denotes a shutter case provided at the upper end of the guide rail 5 so as to cover the rear side of the storage unit 6. Reference numeral 7 denotes an end fixed to an end slat at the lower end, and a telescopic door is hung. Shows a wire provided with a balancer 71 on the other end to facilitate the opening and closing, 72 cases of the balancer 71, 73 the diverting guide roller of the wire 7, respectively.

Although the illustrated example is as described above, instead of the above-mentioned vertically extending shutter, a horizontally extending shutter that expands and contracts in the left-right direction (width direction) is used instead of the vertically extending shutter. When the telescopic door body and the guide rail of the above example are turned over by rotating the relationship by 90 degrees, the guide rail is positioned up and down, and the telescopic door body is hung up and down to open and close in the left-right direction. That is, in the case of a horizontally extending telescopic door body, bend and stretch links are installed at the upper end side of the adjacent door body constituent bar, and telescopic regulation means are installed between the upper guide rail and the lower guide rail. The guide member guides the steady rest roller installed at the lower end of the door structure bar, and controls the expansion and contraction of the telescopic door body by one expansion and contraction control means on one side in the longitudinal direction of the door body structure bar. A single bar is used instead of the above-mentioned frame, and the individual telescopic mechanism is configured such that one end is rotatable to an adjacent door-body forming bar. An X-shaped telescopic link with an intermediate connecting portion having a plurality of fixed or slidably engaged link bars and an intermediate connecting portion for rotatably fixing the other end of each link bar. At this time, the intermediate connecting portion is divided into two parts and hinged at the divided portions, so that the individual telescopic mechanism is configured to be freely bendable in the crossing direction of the opening face between the adjacent door body constituent bars, Turn the above guide rail from the opening face in the cross direction
By forming the link guide portion, particularly the inclined guide portion or the second straight guide portion from the vicinity of the end of the opening surface in the cross direction, the extensible door body is formed near the end of the opening surface. In the implementation of the present invention, it is possible to extend and retract the door so that it can be stored in the cross direction, and to electrically open and close the elastic door. Specific materials, shapes and structures of mechanisms, expansion / contraction regulating means, guide rollers for opening / closing guides, bending / extension links, guide rollers for bending / extension guides, guide rails, opening / closing guides, link guides, etc., their relationships, and additions to these Can take various forms without departing from the gist of the invention.

[0018]

Since the present invention has been configured as described above,
According to the first aspect of the present invention, the opening and closing guide portion of the guide rail guides the opening and closing guide roller, and the link guide portion guides the bending and extending guide roller of the bending and stretching link. The guide roller smoothly advances while being maintained, avoiding the application of a force that hinders the smooth opening and closing such as an excessive tension force between the telescopic door body and the guide rail, and smoothly opening and closing the telescopic door body. In order to secure the safety of the opening and closing of the telescopic door body by eliminating the possibility of your hands being caught when opening and closing the individually extensible telescopic door body, An expansion and contraction position regulating device can be provided, and the invention according to claim 2 enables the expansion and contraction door body to open and close more stably and reliably without twisting of the door body constituent bar, and to adjust the expansion and contraction position. It can be obtained by control in a more ensured.

[Brief description of the drawings]

FIG. 1 is a front view of a telescopic door body.

FIG. 2 is a longitudinal sectional view of a telescopic door body.

FIG. 3 is a partial longitudinal sectional view showing a folded state of the telescopic door body.

FIG. 4 is a partial cross-sectional view showing a state in which a telescopic door body is extended.

FIG. 5 is a partial cross-sectional view showing a contracted state of the telescopic door body.

FIG. 6 is a partial longitudinal sectional view showing a main part of the expansion / contraction regulating means.

[Explanation of symbols]

 A Telescopic door body 1 Door body constituent bar 2 Individual telescopic mechanism 3 Expansion / contraction regulating means 31 Guide roller for opening / closing guide 32 Flexion / extension link 34 Guide roller for flexion / extension guide 5 Guide rail 51 Opening / closing guide section 52 Link guide section

Claims (2)

[Claims] 1. An adjacent door body component bar is provided with an individual expansion / contraction mechanism between the adjacent door member component bars, thereby making the adjacent door body component bar individually expandable and contractable. In a telescopic door body provided with expansion and contraction restricting means for restricting the opening and closing directions to be sequentially performed at a predetermined position, the expansion and contraction restricting means is protrudingly provided at one of front and rear sides provided at a longitudinal end of each of the door constituent bars. A guide roller for opening and closing guide; and a bendable support for the outer side between the longitudinal ends of the adjacent door-forming bars by being rotatably supported coaxially with the guide roller for opening and closing, and A bending / extending link having a guide roller for bending guide protruding from the other front and rear so as to be alternately front and rear with the opening and closing guide roller at the center bending portion in the longitudinal direction, and a total length in the opening and closing direction of the telescopic door body. The opening / closing guide portion for guiding the opening / closing guide roller in a straight line from the front end to the predetermined position in the opening / closing direction and being arranged in parallel with the opening / closing guide portion up to a predetermined position in the longitudinal direction and the bending / extension guide. The extension / restriction link is extended and constrained by guiding the extension / retraction link, and the telescopic door body is advanced. At the predetermined position, the extension / extension guide is spaced apart from the opening / closing guide section via an inclined portion facing outward. A guide rail having a link guide portion for releasing the restraint of the bending / extending link by guiding the guide roller for bending and folding and folding the link, the telescopic position restricting device for the telescopic door body, . 2. The expansion / contraction regulating means by providing the guide roller for opening / closing guide and the bending / extending link at both ends in the longitudinal direction of the adjacent door-forming bar, and by providing a pair of the guide rails at both ends of the telescopic door. The telescopic door restricting device according to claim 1, wherein the telescopic door is provided on both sides of the telescopic door.