KR101629501B1 - Interlocking apparatus for multi sliding door - Google Patents

Abstract

Provided is an interlocking apparatus for a multi-sliding door, capable of simplifying processing and assembling of a pivot roller and a hole into which the pivot roller is inserted to thus allow even a non-skilled person to simply assemble and install the multi-sliding door, comprising: a guide rail; a first pivot roller having a conic shape and installed at an upper end of a first door; a support plate installed to be movable along the guide rail and restraining the first pivot roller; a pair of pulleys installed at both end portions of the support plate; an interworking wire connected to the pair of pulleys; a first interworking member bound to the interworking wire, protruding toward a front side of the first door, and transferred together with the interworking wire; a second pivot roller having a conic shape, installed at an upper end of a second door disposed in front of the first door, and restrained by the first interworking member so as to be transferred together with the first interworking member; a second interworking member bound to the interworking wire, protruding toward a rear side of the first door, and transferred together with the interworking wire; and a third pivot roller having a conic shape, installed at an upper end of a third door disposed behind the first door, and restrained by the second interworking member so as to be transferred together with the second interworking member. Manufacturing costs can be reduced, durability can be enhanced, and assembling, installation, and maintenance can be simplified.

Description

{INTERLOCKING APPARATUS FOR MULTI SLIDING DOOR}

The present invention relates to a multi-sliding door interlock device, and more particularly, to a multi-sliding door interlock device that allows multiple sliding doors to be opened and closed together.

The interlocking type triple sliding door which opens and closes one door when installing a plurality of doors by a sliding method enables other doors to be opened and closed in a desired direction has advantages of being able to use a wide doorway compared to a conventional two door system .

With regard to the interlocking device installed in a plurality of doors in such a sliding manner, it has already been disclosed in Korean Patent Registration No. 1222841, "Interlocking Device of a Sliding Window Door to Control the Tension of a Rotating Belt".

The above-mentioned patent discloses that a plurality of doors are opened and closed in a sliding manner while being conveyed along a guide rail installed on an upper part of the door frame, respectively.

However, the roller portion disclosed in the above patent is provided in the form of a normal roller whose outer surface is in contact with the inner surface of the guide rail vertically and has a stepped portion with a different diameter.

When the rollers, the outer side surface and the inner side surfaces of the guide rollers are brought into contact with each other by a vertical plane, it is difficult to process grooves for insertion of the rollers, so that the manufacturing cost is increased. There is a problem that the labor cost is increased and the labor cost is increased.

Korean Patent No. 1222841

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-sliding door interlock device in which a hole into which a pivot roller and a pivot roller are inserted can be easily processed.

Another object of the present invention is to provide an interlocking device for a multiple sliding door which can be assembled easily, even if not a skilled person, by simply assembling the pivot roller and the hole.

The multi-sliding door interlock device according to the present invention includes a guide rail, a first pivot roller provided in a conical shape and installed at the upper end of the first door, a support plate provided so as to be able to move along the guide rail and restricting the first pivot roller, A pair of pulleys provided at both end portions of the support plate, an interlocking wire connected to the pair of pulleys, a first interlocking member connected to the interlocking wire and projecting toward the front of the first interlocking wire and fed together with the interlocking wire, A second pivot roller which is provided at the top of the second door arranged on the front surface of the first door and which is restrained by the first interlocking member and conveyed together with the first interlocking member, A second interlocking member protruding toward the rear face of the first door and being fed together with the interlocking wire, and a second interlocking member arranged in a conical shape and disposed on the rear face of the first door 3 is installed on the top contact, the second is bound to the second interlocking member may include a third pivot roller is conveyed with the second interlocking member.

The first pivot roller groove is formed in the support plate so that the inner diameter gradually decreases toward the upper side so that the inclined surface of the first pivot roller is in contact with the upper surface of the second pivot roller, A first pivot roller groove is formed in such a manner that the inner diameter gradually decreases toward the upper side so that the inclined surface of the third pivot roller comes into contact with the second pivot roller groove, .

The first pivot roller grooves, the second pivot roller grooves, and the third pivot roller grooves may be elongated in the longitudinal direction of the guide rails.

Wherein the second pivot rollers and the third pivot rollers each have an upper end penetrating through the first interlocking member and the second interlocking member and into the guide rails and the guide rails are engaged with the second pivot rollers and the third pivot rollers, An inclined rail groove may be formed in which a contact surface that contacts each of the inclined surfaces of the rollers is formed.

The multiple sliding door interlocking device according to the present invention can reduce the manufacturing cost by reducing the process of processing raw materials.

Further, the multi-sliding door interlock device according to the present invention has an effect of improving the durability by a simple structure.

Further, the multi-sliding door interlock device according to the present invention has an effect that the product is easily assembled, maintained, and maintained.

FIG. 1 is a perspective view illustrating an installation state of a multi-sliding door interlock device according to a preferred embodiment of the present invention.
2 is a cross-sectional view of a multi-sliding door interlock device according to a preferred embodiment of the present invention.
3 is a plan view showing a state in which a multiple sliding door with an interlocking device according to a preferred embodiment of the present invention is opened.
4 is a plan view showing a state in which a multiple sliding door provided with an interlocking device according to a preferred embodiment of the present invention is closed.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a multi-sliding door interlocking device according to the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a multi-sliding door interlock device according to a preferred embodiment of the present invention, and FIG. 2 is an exploded perspective view illustrating a multi-sliding door interlock device according to a preferred embodiment of the present invention.

Referring to Figures 1 and 2, multiple sliding doors may include a first door (1), a second door (2), and a third door (3). The second door (2) may be disposed on the front surface of the first door (1). The third door (3) may be disposed on the rear surface of the first door (1). As a result, the first door (1) may be an intermediate door of a multi-sliding door.

The multiple sliding door interlocking device includes a guide rail 110, a support roller 121, a support plate 122, a pair of pulleys 123, an interlocking wire 124 and first and second interlocking members 125 and 126, , 2, and 3 pivot rollers 131, 132, and 133.

The guide rails 110 may be installed on the upper side of the multiple sliding doors. Preferably, the guide rail 110 is installed in an upper frame of a door frame on which a plurality of sliding doors are installed, and a rail groove opening downward can be formed. The rail groove has a first rail groove 111 for guiding the conveyance of the first door 1, a second rail groove 112 for guiding the conveyance of the second door 2, And a second rail groove 112 for guiding the conveyance.

The support roller 121 may be inserted into the first rail groove 111. The inner side surface of the first rail groove 111 may be formed with an escape projection protruding inward of the first rail groove 111 to prevent the support roller 121 from being separated. Thus, the support roller 121 is constrained to the first rail groove 111 and can be transported along the first rail groove 111. A support plate 122 may be coupled to the lower portion of the support roller 121. The support plate 122 restrains the first pivot roller 131 to move the first door 1 together with the support roller 121.

That is, the first pivot roller 131 is installed at the upper end of the first door 1. The first pivot roller groove 132a into which the first pivot roller 131 is inserted is formed in the support plate 122. It is preferable that the first pivot roller 131 is elastically supported toward the support plate 122 so that the first pivot roller 131 is pressed toward the support plate 122 so that the first pivot roller 131 is kept in a confined state smoothly.

The first pivot roller groove 131a is formed in a conical shape whose diameter gradually decreases toward the upper side and the first pivot roller groove 132a is formed so as to correspond to the outer surface of the first pivot roller 131, Can be formed in a gradually reduced shape.

Thus, the inner surface of the first pivot roller groove 132a is formed with an inclined surface and the outer surface of the first pivot roller 131 is formed with an inclined surface. Therefore, even if the first pivot roller 131 is not precisely aligned with the first pivot roller groove 132a, the inclined surface of the first pivot roller 131 slides along the inclined surface of the first pivot roller groove 132a, The pivot roller 131 can be accurately inserted into the first pivot roller groove 132a.

The pair of pulleys 123 may be disposed at both ends of the support plate 122 and the interlocking wire 124 may be connected to the pair of pulleys 123. The first interlocking member 125 is fastened to one side of the interlocking wire 124 facing the front of the first door 1 and the second interlocking member 126 is fastened to one side of the interlocking wire 124 facing the rear face of the first door 1, (Not shown).

That is, the first interlocking member 125 may be located above the second door 2 and the second interlocking member 126 may be located above the third door 3. In this regard, the second pivot roller 132 may be installed at the upper end of the second door 2, and the third pivot roller 133 may be installed at the upper end of the third door 3.

 The first pivoting member 125 is formed with a second pivoting roller groove 132a into which the second pivoting roller 132 is inserted. The second pivot roller 132 is urged toward the first interlocking member 125 and urged toward the first interlocking member 125 so that the restraint state of the second pivoting roller 132 is smoothly maintained .

The second pivot roller 132 is provided in a conical shape whose diameter gradually decreases toward the upper side and the second pivot roller groove 132a is formed so as to correspond to the outer surface of the second pivot roller 132, Can be formed in a gradually reduced shape. The second pivot roller 132 may extend through the second pivot roller groove 132a and its upper end may extend inward of the second rail groove 112. The second rail groove 112 preferably includes an inclined rail groove whose inner surface is inclined so as to be in contact with the inclined surface of the second pivot roller 132.

Thus, the inner surface of the second pivot roller groove 132a is formed with an inclined surface, and the outer surface of the second pivot roller 132 is formed with an inclined surface. Therefore, even if the second pivot roller 132 is not precisely aligned with the second pivot roller groove 132a, the inclined surface of the second pivot roller 132 slides along the inclined surface of the second pivot roller groove 132a, The pivot roller 132 can be accurately inserted into the second pivot roller groove 132a.

A third pivot roller groove 133a into which the third pivot roller 133 is inserted is formed in the second interlocking member 126. The third pivot roller 133 is urged toward the second interlocking member 126 and urged toward the second interlocking member 126 so that the restraint state of the third pivoting roller 133 is smoothly maintained .

The third pivot roller 133 is provided in a conical shape whose diameter gradually decreases toward the upper side and the third pivot roller groove 133a is formed so as to correspond to the outer surface of the third pivot roller 133, Can be formed in a gradually reduced shape. The third pivot roller 133 may extend through the third pivot roller groove 133a and the upper end thereof may extend toward the inside of the third rail groove 113. The third rail groove 113 preferably has an inclined rail groove whose inner surface is inclined so as to be in contact with the inclined surface of the third pivot roller 133.

In this manner, the third pivot roller groove 133a has an inclined surface formed on the inner surface thereof and the third pivot roller 133 has an inclined surface formed on the outer surface thereof. Therefore, even if the third pivot roller 133 is not precisely aligned with the third pivot roller groove 133a, the inclined surface of the third pivot roller 133 slides along the inclined surface of the third pivot roller groove 133a, The pivot roller 133 can be accurately inserted into the third pivot roller groove 133a.

As described above, according to the preferred embodiment of the present invention, the multi-sliding door interlock device includes the first, second and third pivot rollers 131, 132 and 133 in a conical shape, The first and second pivot rollers 131a, 132a and 133a and the second and third rail grooves 112 and 113 are formed on the outer circumferential surfaces of the first, second and third pivot rollers 131, 132 and 133, respectively. Therefore, in the multiple sliding door interlock device according to the preferred embodiment of the present invention, the pivot roller grooves 131a, 132a, and 133a into which the pivot rollers 131, 132, and 133 are inserted are easily processed, 132, and 133 and the pivot roller grooves 131a, 132a, and 133a can be easily assembled to provide a convenience of being able to easily assemble and install the multiple sliding doors even if the sliding door is not an expert.

Hereinafter, the operation of the multiple sliding door interlocking device according to the present invention will be described.

FIG. 3 is a plan view showing a state in which a multi-sliding door with an interlock device according to a preferred embodiment of the present invention is opened, FIG. 4 is a plan view showing a state in which a multiple sliding door provided with an interlock device according to a preferred embodiment of the present invention is closed, to be.

3 and 4, when the door is opened, the first, second, and third doors (1, 2, 3) are positioned in one direction and all are overlapped. In this state, the multiple sliding doors are opened, the first interlocking member 125 is positioned on the lower side in the drawing of Fig. 3, and the second interlocking member 126 is located on the upper side of the drawing of Fig.

4, when the second door 2 is moved in the upward direction of FIG. 4, the first interlocking member (not shown) for restricting the second pivot roller 132 125 are transported upward in Fig. Since the first interlocking member 125 is fastened to the interlocking wire 124, the interlocking wire 124 together with the first interlocking member 125 may be gradually transferred in the upward direction in FIG. 4 . Since the interlocking wire 124 is gradually transported upward in Fig. 4, the first door 1 can be transported together in the upward direction of Fig.

When the second door (2) and the first door (1) are thus transported toward the upper direction in Fig. 4, the multiple sliding doors can be kept in a completely closed state.

4, the second interlocking member 126 for restricting the third pivot roller 133 is moved in the downward direction of Fig. 4, do. At this time, since the second interlocking member 126 is fastened to the interlocking wire 124, the interlocking wire 124 together with the second interlocking member 126 can be transferred while being gradually transferred in the downward direction of FIG. 4 . Since the interlocking wire 124 is gradually transported upward in Fig. 4, the first door 1 can be transported together in the lower direction of Fig.

When the third door (3) and the first door (1) are conveyed in the downward direction of Fig. 4, the multiple sliding doors can be kept in a completely closed state.

Meanwhile, in the interlock device according to the preferred embodiment of the present invention, since the first, second and third pivot rollers 131, 132 and 133 are formed in a conical shape, an inclined surface is formed on the outer side surface of the first pivot roller groove 132a, Since the slopes corresponding to the first, second and third pivot rollers 131, 132 and 133 are formed in the first rail groove 111 and the second rail groove 112, It is possible to maintain a mutually stable contact state. Therefore, since unnecessary clearance between the roller and the rail groove is not generated, the noise can be reduced while the multiple sliding doors are opened and closed, and the durability of the parts can be improved.

The first, second and third pivot roller grooves 131a, 132a and 133a are shown in a circular shape so as to be held in contact with the outer diameters of the first, second and third pivot rollers 131, 132 and 133 However, the first, second, and third pivot roller grooves 131a, 132a, and 133a may be formed in the shape of a long elongated shape in the longitudinal direction of the guide rail 110 to assure easiness of assembly and installation.

1: Door 1: Door 2: Door 2
3: Third door 110: Guide rail
111: first rail groove 112: second rail groove
113: third rail groove 121: support roller
122: support plate 123: pulley
124: interlocking wire 125: first interlocking member
126: second interlocking member 131: first pivot roller
131a: first pivot roller groove 132: second pivot roller
132a: second pivot roller groove 133: third pivot roller
133a: Third pivot roller groove

Claims (4)

Guide rails;
A first pivot roller provided in a conical shape and installed at an upper end of the first door;
A support plate which is installed to be able to move along the guide rail and restrains the first pivot roller;
A pair of pulleys provided at both ends of the support plate;
An interlocking wire connected to the pair of pulleys;
A first interlocking member coupled to the interlocking wire and protruding toward the front of the first door and being fed together with the interlocking wire;
A second pivot roller provided on the top of a second door arranged in a conical shape and disposed on the front surface of the first door and being restrained by the first interlocking member and conveyed together with the first interlocking member;
A second interlocking member coupled to the interlocking wire and projecting toward a rear surface of the first door and being fed together with the interlocking wire;
And a third pivot roller provided on the top of a third door arranged in a conical shape and arranged on a rear surface of the first door and being restrained by the second interlocking member and conveyed together with the second interlocking member,
The upper end of the second pivot roller and the third pivot roller penetrate through the first interlocking member and the second interlocking member and are inserted into the guide rail,
Wherein the guide rails are formed with inclined rail grooves each having a contact surface that contacts the inclined surfaces of the second pivot roller and the third pivot roller.
The method according to claim 1,
A first pivot roller groove having a shape in which an inner diameter is gradually reduced toward an upper side so that an inclined surface of the first pivot roller comes into contact with the support plate,
Wherein the first interlocking member is formed with a second pivot roller groove having an inner diameter gradually reduced toward the upper side so that an inclined surface of the second pivot roller is contacted,
Wherein the second interlocking member is formed with a third pivot roller groove whose inner diameter is gradually reduced toward the upper side so that the inclined surface of the third pivot roller comes into contact with the third pivot roller groove.
3. The interlocking device according to claim 2, wherein the first pivot roller groove, the second pivot roller groove, and the third pivot roller groove are elongated in a longitudinal direction of the guide rail.
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