JPH0350074B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a planar closed state by abutting at least three doors against each other at their side edges in an opening of a cabinet, etc., and from this state, the central door This invention relates to a flat-closing sliding door device for outset use, in which a desired opening state can be achieved by shifting the side doors back and forth so as to overlap one another.

Conventional general sliding doors create a step between the doors, detracting from the aesthetics of the design, so the above-mentioned flat-closing sliding doors have begun to be used. Unless a space is provided between the butting end surfaces of the two doors, the doors cannot be opened and opened in a stacked state, so it is not possible to completely close the door, and the butting end surfaces of both doors cannot be placed in an inclined state. There are various problems in use, manufacturing, and cost, such as the fact that opening and movement cannot be performed without chamfering.

Therefore, as a result of studies in view of the above-mentioned conventional problems, the present invention has three doors, a central door and left and right side doors, and each door is located at both upper and lower ends of each door. The central door has a bracket fixed to the center in the width direction of the door, and the left and right side doors have brackets fixed to the outer ends in the width direction of the door.
When each door is opened, arms extend symmetrically from the bracket of the center door toward the outer end so as to overlap the brackets of other doors, and arms extend toward the inner end from the brackets of the left and right side doors, respectively. and two running bodies such as rollers provided respectively on both arms of the center door, and on each bracket and each arm of the left and right side doors, and each of the doors has a door mounting mechanism. It can be opened and closed freely by being engaged with the upper wall door rail and the lower wall door rail provided on the upper and lower walls of the frame, respectively, and the left and right central parts of the straight parts of both door rails, as well as the left and right sides. The central door can be moved forward and backward, and the left and right side doors can be , whose inner ends are respectively supported so as to be rotatable and tiltable in the front-rear direction, so that the center door and the left and right side doors can be opened in a mutually stacked state,
As a result, it is possible to close the doors completely on a flat surface with no gaps, without having to cut out the butting ends of each door in an inclined state, and the center door and left and right side doors can be stacked together In addition to being able to open the door at a desired position as needed, it can be easily formed with one rail each for the top and bottom, making it easy to install the door. The objective is to provide an affordable flat-close sliding door device.

The present invention will be described in detail below based on the illustrated embodiment. As shown in FIGS. 1 to 4, a central door 1 and left and right side doors 2 and 3 each have the same width. It has three doors, each door 1, 2,
3 is an opening 4a of a door mounting frame 4 for a cabinet, etc.
The output is set as follows.

The above central door 1 and left and right side doors 2 and 3
protrudes from its upper and lower ends toward the door mounting frame 4 side, and the upper brackets 5, 5, 6, 6, 7, 7
are fixed parallel to each other, but in the case of the center door 1, the brackets 5, 5 project from the center in the door width direction, and their width is approximately 1/1/2 of the door width. It is formed around 3.

On the other hand, in the case of the left and right side doors 2 and 3, the brackets 6, 6, 7, and 7 are respectively protruded from the outer ends in the door width direction, and the width thereof is approximately 1 of the door width. It is formed to a width of /3.

In this way, by making the brackets 5 to 7 of each door 1, 2, and 3 approximately 1/3 the width of the door,
Each door 1, 2, and 3 is designed to be able to open a large amount.

Furthermore, arms 8, 8', 9, and 10 extend from the upper and lower brackets 5, 5, 6, 6, 7, and 7 of each of the doors 1, 2, and 3 in the door width direction, respectively. However, in the case of the central door 1, the arms 8,
8' is fixed, and the left and right side doors 2 and 3 are fixed.
In this case, arms 9, 10 are fixed to protrude from the inner ends of the brackets 6, 6, 7, 7 in the door width direction, and each arm 8, 8', 9, 10
The outer ends of the brackets 6 and 7 on the left and right side doors 2 and 3 are provided with rollers, etc., respectively.
running bodies 11, 11', 12, 12', 13, 1
3' is provided.

Each of the doors 1, 2, and 3 has the above-mentioned running body 11 on the upper wall door rail 14 and the lower wall door rail 15 provided on the upper wall 4b and the lower wall 4c of the door mounting frame 4, respectively. ,11',12,12',1
3 and 13', it is supported so as to be openable and closable.

The above-mentioned both door rails 14 and 15 have a straight portion 14
a, 15a, and the straight portion 14a, 1
Terminal evacuation portions A are provided at both ends of the straight portions 14a and 15a, but in the embodiment shown in FIGS. The curved inclined portion 14b, 1
5b is provided.

In the straight portions 14a and 15a, the traveling body 1
Evacuation parts 16, 16' and 17, 18, which are movable in the front-rear direction by engaging 1, 11' and 12, 13, are provided substantially perpendicular to the straight parts 14a, 15a. The front door 1 can be moved forward from the closed door state in a parallel state, while the left and right side doors 2 and 3 are designed so that their inner ends can be moved forward, and the terminal evacuation The curved and inclined parts 14b and 15b as part A are rotatable and tiltable using the other running bodies 12' and 13', which are the ends thereof, as fulcrums, and when the door is opened and closed, the center door 1 It is designed so as not to interfere with the

Here, the upper wall and lower wall door rails 14,
15 is provided in a concave groove or a convex groove,
When providing concave grooves, as shown in FIGS. 3 and 4, concave grooves 14',
15', or by fixing a concave-shaped separate member (not shown) to the surfaces of the upper wall 4b and the lower wall 4c. In this case, the evacuation parts 16, 16 ',17,1
8, a concave groove is provided at right angles rearward from the straight parts 14a, 15a, as shown in FIG. They are connected orthogonally.

In addition, when provided on a convex strip, as shown in FIGS. 6 to 8, a separate member 14'' having a convex shape in cross section,
15'' are fixedly provided on the surfaces of the upper wall 4b and lower wall 4c, but in both cases, both door rails 14, 1
As shown in FIGS. 1 and 2, 5 is a closed door that is parallel to the opening edge of the door mounting frame 4 while keeping an appropriate distance therebetween, and the doors 1, 2, and 3 are butted against each other. It is set up so that

Moreover, the above-mentioned traveling bodies 11, 11', 12, 12', 1
3 and 13', when the door rails 14 and 15 are provided in concave grooves, the sphere 20 is rotatably supported at the tip of the support shaft 19, as illustrated in FIGS. 4 and 5 A and B. roller 2 on the spindle 21.
2 rotatably supported on a shaft is used.

In addition, when provided on a convex strip, as shown in FIGS. 6 to 9, a separate member 23 having an inverted U-shape in cross section is attached to the brackets 6, 7 and each arm 8, 8', 9, 10. The arm is fixed to the separate member 23, or the arm itself is formed to have a generally inverted U-shape in cross section, and a grooved roller 24 is rotatably supported.

Figures 5A and 5B show the upper bracket 5 and arms 8, 8' of the center door 1, and the upper bracket 6 and arm 9 of the left side door 2, respectively. running body 11,1
Reference numerals 1', 12, and 12' indicate a support shaft 19 and a sphere 20, which are applied when both the upper wall and lower wall door rails 14, 15 are formed into concave grooves.

Also, the upper bracket 7 and arm 10 of the right side door 3 are provided symmetrically with those of the left side door 2, and the lower bracket and arm of each door are also similar to the upper bracket and arm. It is set symmetrically.

Furthermore, both the upper wall and lower wall door rails 14,1
Evacuation parts 16, 16', 1 when 5 is provided on a convex strip
7 and 18 can be formed by a switching device 33 as shown in FIGS. 6, 7, and 9.

That is, the switching device 33 has two rails 2 on the board 25, as clearly shown in FIG.
6 and 27, and the board 25 is formed on the guide plate 28 so as to be slidable in a direction perpendicular to the length direction of the rail parts 26 and 27 by engaging with a dovetail 29 and a dovetail groove 30, etc., The guide plate 28 is fixed to the surface of the upper wall 4b or lower wall 4c of the door mounting frame 4 in a direction substantially perpendicular to the length direction of the door rails 14, 15, and both rail parts 26 on the sliding board 25 are fixed. , 27 selectively, the door rail 14 or 1
The structure is such that it can be replaced as part of the straight portions 14a and 15a in the 5.

Also, on both left and right sides of the rail portion 27 on the board 25, retainers 31 and 32 for the traveling bodies 11, 11', 12, and 13 are provided, so that when the door 1 is moved in the front and back direction, When the inner ends of the doors 2 and 3 are rotated in the front-back direction, the rail portion 27
This prevents the traveling bodies 11, 11', 12, and 13 from disengaging, and also causes the base plate 25 to slide and prevents the rail portions 26, 27 from interfering with the linear portions 14a, 15a. It is now possible to switch without any hassle.

Furthermore, the upper and lower brackets 6, 7 of the left and right side doors 2, 3 are formed by dividing into two parts as shown in FIGS. 6 and 7, and are fixed to each door 2, 3. It may also be provided.

Moreover, the curved inclined part 14 which is the terminal evacuation part A described above
b, 15b, as shown in FIGS. 7 and 9, the terminal evacuation section A can also be formed by the above-mentioned switching device 33.

When using such a switching device 33, as shown in FIG.
15 at both ends of the straight parts 14a and 15a,
The rail portion 2 of the switching device 33 is placed on the outside thereof.
A board 25 having a cross section 7 is provided so as to be slidable at right angles to the straight parts 14a and 15a, and the rail part 27 is slidable from the closed position of the side doors 2 and 3 at the rear. By sliding the board 25 to a position where the portion 27 is in line with the linear portions 14a, 15a, the running bodies 12', 13' of the rail portion 27 can be introduced into the linear portions 14a, 15a, and the side door 2, 3 opening movements can be performed.

In the above configuration, the door opening/closing operation will be explained based on FIGS. 1 and 2.

The central door 1 and the left and right side doors 2, 3 are located at the left and right ends 1a, 1b of the central door 1, as shown by solid lines in the figure.
The door is closed with the inner ends 2a and 3a of the door facing each other, and this closed door state is caused by the door rails 14 and 15
Stoppers (not shown) provided at the ends or left and right curved inclined parts 14b, 14b, 15b, 15
The running bodies 12' and 13' are held in a butted state at the end of the door b, and thereby the three doors 1,
2 and 3 are connected in a planar manner, and in this state, the running bodies 11 and 11' of the central door 1 and the running bodies 12 and 13 at the inner ends of both the left and right side doors 2 and 3 are connected to each evacuation 16, 16', 17, 18, respectively, while the running bodies 12', 13' at the outer ends of the doors 2, 3 on both sides are naturally engaged with the terminal evacuation parts A of the door rails 14, 15. A certain curved slope part 14
b, 14b, 15b, 15b,
Similarly, the terminal evacuation area A clearly shown in Figures 7 and 9
In the case of the switching device 33, which is engaged with the rail portion 27 at the rear thereof, each of 1, 2, and 3 closes the opening 4a almost immediately with the opening edge of the door mounting frame 4. ing.

To open the central part 1 from the above-mentioned closed state, first hold the handle (not shown) provided on the front part of the door 1 and pull it forward, and the brackets 5, 5 will open.
Since a force is applied to the traveling bodies 11, 11' in the forward direction via the arms 8, 8', the traveling bodies 11, 1
1' escapes forward from the evacuation parts 16, 16' and engages with the straight parts 14a, 15a, and the door 1 is parallel to the opening edge of the door mounting frame 4, as shown by the two-dot broken line in FIG. It moves forward slightly larger than the thickness of each door.

Next, move the center door 1 in the direction of arrow a in FIG.
Or, when moving in the direction of arrow a', each traveling body 1
1, 11' are the upper and lower wall door rails 14, 1
5, and is moved to either the left or right as shown by the broken line in the figure.

At this time, the traveling bodies 11, 11' are the door rails 14,
15, so when it moves straight from the start of movement to the opening door stop position in a sideways state from the start of movement, and moves in the direction of arrow a shown in the figure, there is a heavy load on the outside of the left side door 2. When moving in the direction of arrow a', it is opened in a heavily loaded state on the outside of the right side door 3.

In addition, in reality, brackets 5, 6 or 5, 7 are attached to the central door 1 and both left and right side doors 2, 3.
A stopper (not shown) is provided which comes into contact with the stopper, and the bracket comes into contact with the stopper to form an open door end.

Moreover, when the central door 1 is opened, the traveling bodies 1 provided on the arms 9 and 10 of the left and right side doors 2 and 3
Since the arms 2 and 13 are engaged with the evacuation parts 17 and 18, respectively, the arms 9 and 10 are connected to the door rail 1.
4 and 15, and is held parallel to the straight parts 14a and 15a, so that when the door 1 is opened, the traveling bodies 11 and 11' are prevented from traveling and Arm 8
The door 1 is opened as described above without interfering with the movement of the door 1.

Furthermore, in the above-mentioned open door position, the arm 8 or 8' of the door 1 is inserted under the bracket 6 of the left side door 2 or the bracket 7 of the right side door 3, and the two members do not collide with each other, so that the door is closed. The opening amount of door 1 increases, and both doors 1 and 2 or 1 and 3 are completely stacked and overlapped.

In addition, when closing the central door 1, when the door 1 is moved in the opposite direction of arrow a or a' from the above-mentioned open state, each traveling body 11, 11' moves toward both door rails 14,
The traveling body 11 or 11' moves horizontally in the opposite direction of the arrow a or a' while being guided by the straight portions 14a and 15a of 15, and stops at the center when it hits a stopper.

At this time, both traveling bodies 11, 11'
Since it is located at the entrance of the evacuation part 16, 16' of the a, 15a, when the door 1 is then pushed inward, the traveling body 1
1 and 11' are engaged with the evacuation parts 16 and 16', and the door 1 is closed as shown by the solid line in the figure, and is on the same plane as the left and right side doors 2 and 3, and the left and right side ends thereof are closed. 1a and 1b are the inner edges 2 of the left and right side doors 2 and 3
a, 3a, and the straight portions 14a, 3a of both door rails 14, 15 are closed.
It is prepared to allow the left and right side doors 2 and 3 of 15a to open.

For example, when opening the left side door 2, if the terminal evacuation part A is the curved inclined part 14b, 15b, first hold the handle (not shown) provided on the inner end 2a of the door 2 and move it forward. When the door is pulled, a force is applied to the traveling body 12 in the forward direction via the bracket 6 and the arm 9, so the door 2 rotates counterclockwise with the traveling body 12' at the outer end serving as a fulcrum. As a result, the traveling body 12 escapes from the evacuation part 17 forward and engages with the straight parts 14a and 15a as shown by the two-dot broken line in FIG. 2, and the inner end 2a of the door 2 moves forward. It becomes a tilted state.

Next, when the door 2 is moved in the direction of arrow b in the figure, the respective traveling bodies 12, 12' are guided by both the upper wall and lower wall door rails 14, 15 and move to the right. At this time, the traveling body 12 is on the straight parts 14a, 15a of both door rails 14, 15, but the traveling body 12' at the outer end is on the curved inclined part 14b, 15b.
As it engages with
The traveling body 1 rotates clockwise with
2' reaches the straight parts 14a and 15a, the door 2
It is parallel to the opening edge of the door mounting frame 4, and after that, it moves in a straight line to the opening door stop position in a sideways state, and then the second
As shown by the broken line in the figure, the center door 1 is opened in a heavily loaded state on the outside.

Further, the opening end of the door 2 is carried out by the bracket 6 or the like coming into contact with the above-mentioned stopper.

Furthermore, when the door 2 is opened, the traveling bodies 11, 11' of the center door 1 are opened by the evacuation parts 16, 1 as described above.
7' and is located inwardly away from the straight portions 14a, 15a, so that the movement of the traveling body 12 and the arm 9 is not hindered, so that the door 2 is opened as described above.

In the above-mentioned open door position, the arm 9 of the door 2 is inserted under the bracket 5 of the central door 1, and since both members do not collide with each other, the amount of opening of the door 2 is increased, and both doors 2, 1 are opened. It becomes a state of complete intussusception.

In addition, when closing the door 2, when the door 2 is moved in the opposite direction of the arrow b from the above-mentioned open door state, each traveling body 12, 12' is guided by the straight parts 14a, 15a of both door rails 14, 15 and is horizontally moved. The traveling body 12' continues to move to the left, and one of the traveling bodies 12' moves to the curved inclined part 14b,
15b, the door 2 moves while rotating counterclockwise, and the traveling body 12' hits the stopper or the end of the curved inclined portions 14b, 15b, reaching the closing end. , door 2 is the second
It is in the inclined state shown by the two-dot broken line in the figure.

At this time, the traveling body 12 of the arm 9 has a straight portion 14a,
15a is located at the entrance of the evacuation part 17, so when the inner end 2a of the door 2 is then pushed inward and the door is rotated clockwise, the traveling body 12 engages with the evacuation part 17, and the door 2 is closed as shown by the solid line in the figure, is on the same plane as the center door 1 and the right side door 3, and the left end 1a and the inner end 2a of the center door 1 are butted against each other. When the door is closed, the straight portions 14a and 15a of both door rails 14 and 15 are prepared to allow the center portion 1 to open.

Further, when opening and closing the right side door 3, the same operation as that of the left side door 2 described above is performed, so a description thereof will be omitted.

On the other hand, as the terminal evacuation section A, the switching device 33
Both left and right side doors 2 and 3 when using
In opening and closing, the traveling bodies 12, 12', 13, 13' are moved in the front and back direction by the evacuation parts 17, 18 and the switching device 33, so the doors 2, 3 are opened or closed. At the end of the process, the doors 2 and 3 are moved horizontally in the front and back direction in the same way as the central door 1, and at other times, the doors 2 and 3 are opened and closed by moving horizontally in the horizontal state as described above.

As explained above, the plane closing sliding door device according to the present invention has at least three doors, the central door 1 and the left and right side doors 2 and 3.
Each of the doors 1, 2, and 3 has an upper portion and upper brackets 5, 5, 6, 6, 7, and 7 that protrude toward the door mounting frame 4 at both upper and lower ends thereof, and each of the brackets 5 to 7. Arms 8, 8', 9, extending in the width direction of the door and toward the bracket side of each door.
10 are fixedly installed so as to overlap each other when the door is opened, and in the case of the center door 1, the brackets are attached to both arms 8, 8', and the brackets are attached to the left and right side doors 2, 3. 6, 7 and arms 9, 10
Two running bodies 11 and 1 each made of rollers etc.
1', 12, 12', 13, 13', respectively,
Each of the doors 1 to 3 has its running bodies 11 to 13' connected to an upper wall door rail 14 and a lower wall door rail 15 provided on the upper wall 4b and lower wall 4c of the door mounting frame 4, respectively. By being fitted together, the door mounting frame 4 can be opened and closed freely, and both door rails 14,
15, the straight portions 14a and 15a are located on the left and right sides of the center and in the vicinity of both left and right sides of the straight portions 14a and 15a.
an evacuation section 16 provided substantially perpendicular to a, 15a;
16', 17, 18 and the same door rails 14, 15
The center door 1 and the left side door 2 and the center door 1 and the right side are supported so as to be horizontally movable in the front and back direction by the terminal evacuation parts A provided at the left and right ends of the Since the central door 3 is configured to be opened in a stacked state in front and back of each other, the central door 1 and the left and right side doors 2, 3
There is no need to chamfer or otherwise process the back edges of each door 1, 2, 3, or to create a space between each door 1, 2, 3. 14 and the lower wall door rail 15, it is possible to open the door in a stacked state, and in particular, the center door 1 can be opened in a stacked state with respect to any of the left and right side doors 2 and 3. The left and right sides 2 and 3 can also be opened stacked in front of the center door 1, so the door mounting frame 4 can be opened as needed.
The opening 4a of the opening 4a can be opened and closed at will at its center, left side or right side, and the brackets 5, 5, 6, 6, 7, of each door 1, 2, 3,
7, the arms 8, 8', 9, 10 extend from the traveling bodies 11, 11', 1 to the bracket side of the other door.
2 and 13 are each evacuation section 16 and 1 when the door is opened.
6', 17, 18 in a detachable manner, and for opening other doors, both door rails 14,
The straight portions 14a, 15a at 15 are secured, and each arm 8, 8', 9, 10 is provided so as to fit under the bracket of another door, so that when the door is opened, the bracket and arm The desired door can be opened wide without mutual interference between the arms and arms, which makes it convenient for loading and unloading articles. 11,11',1
2, 12', 13, and 13', it is stably supported at four points at the top and bottom, so the door can be opened and closed smoothly without swinging not only when closing the door but also during opening and closing operations. Furthermore, since it is structurally simple to produce, it can be provided at low cost.

[Brief explanation of drawings]

FIGS. 1 and 2 are plan views showing the operating state of the outset flat-closing sliding door device according to the present invention, and FIG. FIG. 4 is a vertical sectional side view taken along the line shown in FIG. 3, and FIGS. FIG. 6 is a perspective view showing an embodiment of the upper wall door rail, running section and evacuation section in the same door device, and FIG. 7 shows the upper wall door rail in the same door device and the running body. Perspective views showing other embodiments, FIGS. 8 and 9 are - lines in FIG.
FIG. 3 is an enlarged longitudinal cross-sectional side view in the direction of each arrow. 1...Central door, 2, 3...Left and right side doors, 2a, 3a...Inner edge of side door, 4...Door mounting frame, 4b...Top wall, 4c...Bottom wall, 5 ，
6, 7... Upper and lower brackets, 8, 8',
9, 10... Arm, 11, 11', 12, 1
2', 13, 13'... Traveling body, 14... Door rail for upper wall, 15... Door rail for lower wall, 14a1
5a...Straight section, 14b15b...Curved inclined section, 1
6, 16', 17, 18... Evacuation part, 25... Board, 27... Rail part, 33... Switching device,
A...Terminal evacuation department.

Claims (1)

[Scope of Claims] 1. At least three doors including a central door 1 and left and right side doors 2 and 3, each of which has a center door 1 and left and right side doors 2 and 3;
has upper and upper brackets 5, 5, 6, which protrude toward the door mounting frame 4 side at both upper and lower ends thereof.
6, 7, 7, and arms 8, 8', 9, 10 extending from each of the brackets 5 to 7 in the door width direction and toward the brackets 5 to 7 of each door,
They are fixedly installed in such a way that they overlap each other when the door is opened, and in the case of the central door 1, the arms 8 and 8' are fixed, and in the case of the left and right side doors 2 and 3,
The brackets 6, 7 and the arms 9, 10 are each provided with two running bodies 11, 11', 12, each made of rollers or the like.
12', 13, and 13' are provided respectively, and each of the above doors 1 to
3, the traveling bodies 11 to 13' are attached to the door mounting frame 4.
One upper wall door rail 14 and one lower wall door rail 15 provided on the upper wall 4b and the lower wall 4c, respectively.
The linear portions 14a can be opened and closed freely on the door mounting frame 4 by being engaged with the door rails 14, 15, and the linear portions 14a are located on the left and right center portions of the straight portions 14a, 15a of the door rails 14, 15, and in the vicinity of both left and right ends. , 15a, evacuation sections 16, 16', 17,
18 and terminal evacuation portions A provided at both left and right ends of the door rails 14 and 15, the central door 1, the left side door 2, and the central 1. A planar closing/sliding door device for outsetting, characterized in that a side door 1 and a right side door 3 are arranged in a front-back arrangement so as to be opened in a stacked state. 2 Terminal evacuation parts A provided at both left and right ends of the upper wall door rail 14 and the lower wall door rail 15
However, the straight portion 14 of the above-mentioned both door rails 14, 15
The left and right side doors 2, 3 are formed by curved inclined parts 14b, 14b, 15b, 15b which are curved backward from both ends of the doors 2a, 15a. 2. A planar closing sliding door device for outsetting according to claim 1, which can be opened and closed by rotating and tilting. 3 Terminal evacuation parts A provided at both left and right ends of the upper wall door rail 14 and the lower wall door rail 15
However, the straight portion 14 of the above-mentioned both door rails 14, 15
on the outside of both ends of a and 15a, respectively, the upper wall 4
b, a board formed by each switching device 33 provided on the lower wall 4c, and the switching device 33 is provided with a rail portion 27 on which the running bodies 12', 13' of the left and right side doors 2, 3 are guided; 25 is the straight part 14
The side doors 2, 3 can freely slide from the closed position where the rail portion 27 is rearward, orthogonal to a, 15a, to the position where the rail portion 27 is in line with the straight portions 14a, 15a. A flat closing sliding door device for outsetting according to claim 1, wherein the flat sliding door device is provided as claimed in claim 1.