JP2003193747A - Opening/closing body interlocking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door interlocking device interlocking the opening operation of a second door body more smoothly with the opening operation of a first door body. <P>SOLUTION: In association with the opening operation of the first door body 11, a first arm body 44 is rotated, and pulleys 26a, 26b support the movement of a belt body 27. In association with the movement of the belt body 27, a running body 31b connected to a second arm body 46 moves, and the second arm body 46 is rotated. In association with the opening operation of the first door body 11, the second door body 12 is interlockingly put in opening operation. The running bodies 31a, 31b move along the moving direction of the belt body 27. The movement of the belt body 27 can be supported by the movement of the running bodies 31a, 31b in the moving direction of the belt body 27. The belt body 27 is moved more smoothly by the running bodies 31a, 31b. The second door body 12 is more smoothly interlocked with the opening operation of the first door body 11. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing body interlocking device that opens and closes an opening by interlocking a pair of opening / closing bodies rotatably attached to both ends of the opening.

[0002]

2. Description of the Related Art Conventionally, as this kind of opening / closing body interlocking device, for example, a structure disclosed in Japanese Utility Model Laid-Open No. 1-131202 is known.

The opening / closing body interlocking device disclosed in Japanese Utility Model Laid-Open No. 1-131202 is a pair of opening / closing bodies rotatably attached to both edges of an opening of an accommodation space of furniture or the like. In conjunction with the opening operation of one of the first door body and the second door body, the other of the first door body and the second door body is opened.

Further, in this opening / closing body interlocking device, a pair of elongated plate-shaped lever guides having a longitudinal direction along the width direction of the opening are attached to both sides of the upper inner surface of the opening. There is. Further, between the one lever guide located on the left side in front view and the back surface of the first door body located on the left side in front view, an elongated rod-shaped first connecting rod is rotatably attached. Further, between the other lever guide located on the right side in front view and the back surface of the second door body located on the right side in front view, a second elongated rod-shaped connecting rod is rotatably attached.

Here, each of the first connecting rod and the second connecting rod is movable along the longitudinal direction of the lever guide at the connection portion with each lever guide. Further, each of the connecting portions of the first connecting rod and the second connecting rod with the respective lever guides is connected to the portions of the annular wire intersecting the figure 8 that move in the relative directions. There is.

Therefore, the opening operation of the first door body is performed by opening the first door body from the state in which the opening is closed in each of the first door body and the second door body. Along with the rotation of the first connecting rod, the connecting portion between the first connecting rod and the lever guide moves toward the left side in the front view along the longitudinal direction of the lever guide, and the connecting portion moves. The wire rotates with the movement.

Then, with the rotation of the wire, the connecting portion between the second connecting rod and the lever guide moves toward the right side in front view, and the second door body is opened. The opening operation of the second door body is interlocked with the opening operation of the second door body.

[0008]

However, in the opening / closing body interlocking device described in Japanese Utility Model Laid-Open No. 1-131202, the opening is closed in each of the first door body and the second door body. When the opening operation of the first door body is performed from the above, the connecting portion between the first connecting rod and the lever guide is moved to the first position.
Must be moved in the direction along the plane of the door.

Therefore, the second door body is interlocked with the opening operation by the opening operation of only the first door body, and the opening portions are opened in both the first door body and the second door body. There is a problem that it is not easy to smoothly interlock the first door body and the second door body because the initial operation at the time of making them cannot be easily performed.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an opening / closing body interlocking device in which a pair of opening / closing bodies interlocks more smoothly.

[0011]

An opening / closing body interlocking device according to claim 1, wherein a pair of opening / closing bodies rotatably attached to both ends of the opening interlocks to open and close the opening. And a pair of supports provided on both sides of the opening, and a band that is wound between the pair of supports and is supported by the pair of supports to move. A pair of traveling bodies attached to the belt and traveling along the moving direction of the belt, and a pair of both ends of which are rotatably connected to the pair of traveling bodies and the pair of opening / closing bodies. And a connecting rod.

When one of the pair of opening / closing bodies is opened while the opening is closed by the pair of opening / closing bodies, the one opening / closing body is opened in association with the opening operation of the one opening / closing body. One of the connecting rods connected to is rotated, and the belt to which the one connecting rod is connected via the one traveling body is supported and moved by the pair of supporting bodies. Further, since the other traveling body moves along with the movement of the belt and the other connecting rod rotates, the opening operation of the other opening / closing body interlocks with the opening operation of the one opening / closing body. . At this time, since a pair of running bodies that move along the moving direction of the belt are attached between the belt and the pair of connecting rods, respectively, the moving direction of the belt by each of the pair of running bodies is increased. The movement of the band supports the movement of the belt. For this reason, the movement of the belt becomes smoother by the pair of running bodies, so that the opening / closing operation of the one opening / closing body causes the other opening / closing body to interlock more smoothly.

The opening / closing body interlocking device according to claim 2 is an opening / closing body interlocking device which interlocks a pair of opening / closing bodies rotatably attached to both ends of the opening to open / close the opening. A pair of supports provided on both sides of the part,
A band that is wound between the pair of supports and is moved by being supported by the pair of supports, and a first position of the band and one end of the pair of opening / closing bodies. One of a first connecting rod rotatably connected to the band, a second position of the band moving in a direction opposite to a movement of the first position of the band, and the pair of opening / closing bodies. The second connecting rod whose both ends are rotatably connected to the other end, and the first connecting rod and the second connecting rod are provided at the intersecting position, and
When opening the opening from a state in which the opening is closed by a pair of opening / closing bodies, one of the first connecting rod and the second connecting rod is connected to the first connecting rod and the second connecting rod. It is provided with an interlocking auxiliary body for assisting the operation of the other one of the connecting rods.

When one of the pair of opening / closing bodies is opened while the opening is closed by the pair of opening / closing bodies, the first connecting rod is opened along with the opening of the one opening / closing body. With the rotation, the band connecting the first connecting rod to the first position is supported and moved by the pair of supports.
Further, as the band moves, the second connecting rod connected to the second position, which moves in a direction opposite to the movement of the first position of the band, rotates, so that one opening / closing The other opening / closing body is interlocked with the opening operation of the body to perform the opening operation. At this time, one of the first connecting rod and the second connecting rod is connected to the first connecting rod by the interlocking auxiliary body provided at a position where the first connecting rod and the second connecting rod intersect. And the operation of either of the second connecting rods. Therefore, since the opening operation of the second opening / closing body linked to the opening operation of the first opening / closing body becomes smoother by the assistance of the interlocking auxiliary body, the opening / closing operation of one opening / closing body is more effective than the opening / closing body of the other. Works smoothly.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION The configuration of an embodiment of the opening / closing body interlocking device of the present invention will be described below with reference to FIGS.

In FIGS. 1 to 13, reference numeral 1 denotes furniture as a storage device, and a hollow storage space 2 is formed inside the furniture 1. In addition, in this furniture 1, the respective end portions in the longitudinal direction of the top plate 3, the bottom plate 4, the left side plate 5, and the right side plate 6 each formed in the shape of an elongated flat plate are connected at right angles to each other, and the top plate 3 is formed. , Bottom plate 4, left side plate 5
The back side of each of the right side plate 6 and the right side plate 6 is closed by a rectangular flat plate-shaped back plate 7. A rectangular opening 8 is opened on the front surface of the furniture 1, and a door device 9 as an opening / closing device that opens and closes the opening 8 is attached to the opening 8. ing.

The door device 9 includes a first door body 11 and a second door body 12 as a pair of rectangular flat plate opening / closing bodies that closes approximately half of the opening 8 of the furniture 1 in the width direction. ing. Then, the first door body 11 is provided on the other side piece of the pair of hinges 13 whose one side piece is rotatably connected to the opening edge on the inner side surface of the left side plate 5 of the furniture 1. One side surface in the width direction of the body 11 is connected and attached to the left side plate 5 so as to be rotatable in the horizontal direction.

Similarly, the second door body 12 is also connected to the other side piece of the hinge 13 whose one side piece is rotatably connected to the opening edge on the inner surface of the right side plate 6 of the furniture 1. One side surface of the second door body 12 in the width direction is connected and attached to the right side plate 6 so as to be rotatable in the horizontal direction.
Here, each of the pair of hinges 13 has one side piece rotatably connected to both side regions in the longitudinal direction of the inner surface of each of the left side plate 5 and the right side plate 6.

Further, the first door body 11 and the second door body 12 are opened and closed by the opening and closing operation of one of the first door body 11 and the second door body 12. A door interlocking device 14 as an opening / closing interlocking device that opens or closes the opening 8 of the furniture 1 by interlocking the other of the body 11 and the second door 12
Is attached. As shown in FIGS. 1, 2 and 6, the door interlocking device 14 extends in the left-right direction along the longitudinal direction of the top plate 3 near the opening edge on the lower end surface of the top plate 3 of the furniture 1. The guide rail 15 as an existing rail body is provided.

The guide rail 15 is provided with an elongated flat plate-like mounting plate portion 16 as a base portion fixed to the lower end surface of the top plate 3, and the mounting plate portion 16 has a lower end surface on which the mounting plate portion 16 is attached. 16
On the other hand, an elongated flat plate-like support plate portion 17 whose surface direction is vertical is integrally erected. The support plate portion 17 is attached in the vicinity of one side edge in the width direction of the mounting plate portion 16, that is, in the state in which the longitudinal direction of the mounting plate portion 16 is along the longitudinal direction of the mounting plate portion 16 in the rearward direction. Has been.

As shown in FIG. 2, a pair of rail portions 18a having a substantially C-shaped cross section are provided on the front surface, which is one main surface of the support plate portion 17, and are separated along the vertical direction of the front surface. , 18b
Are integrally attached along the longitudinal direction of the support plate portion 17. Each of the pair of rail portions 18a, 18b has a running recess that opens toward the front side of the guide rail 15.
19a and 19b are formed along the longitudinal direction of these rail portions 18a and 18b.

Further, on the bottom surface portions 21a and 21b of the pair of traveling recessed portions 19a and 19b, a pair of locking members having a convex cross-section spaced at equal intervals along the width direction of the bottom surface portions 21a and 21b. Convex portion 22a,
22b are integrally provided so as to project along the longitudinal direction of these bottom surface portions 21a, 21b. Here, between the pair of rail portions 18a, 18b in the width direction, a mounting recess 23 having a substantially concave cross section is integrally provided along the longitudinal direction of the pair of rail portions 18a, 18b. .

Pulley supports 24a, 24b having heights larger than those of the rails 18a, 18b of the guide rail 15 are provided at both end regions in the longitudinal direction of the mounting recess 23 of the guide rail 15. It is installed. These pulley supports 24a, 24b are formed in a trapezoidal shape in a side view in which the base ends are wider than the tips, and belt ends (not shown) are formed on the outer peripheral surface at the tips of the pulley supports 24a, 24b. A pair of cylindrical pulleys 26a and 26b, which are pulleys as a support, are rotatably supported. The pair of pulleys 26a, 26b are rotatable along the surface direction of the support plate portion 17 and are rotatable along the width direction of each rail portion 18a, 18b.

Further, a belt member 27 as an annular belt is rotatably wound between the pair of pulleys 26a and 26b, and the belt member 27 is rotated by the pulleys 26a and 26b. Movement is supported. Further, on the inner side surface of the belt body 27, there is provided an engaging groove portion 28 having a corrugated cross section along the circumferential direction of the belt body 27, and the engaging groove portion 28 is
The rotation of the belt body 27 engages with the belt groove portions of the pulleys 26a and 26b to rotate the pulleys 26a and 26b.

On the other hand, a pair of running bodies 31a, 31b running along these running recesses 19a, 19b in the longitudinal direction are attached to the running recesses 19a, 19b of the pair of rail portions 18a, 18b, respectively. . Here, the one traveling body 31a is the guide rail 1
The rail portion 18a located on the lower side of the belt 5 is fitted to the traveling recessed portion 19a of the rail portion 18a so as to be able to travel, and is connected to the first position 30a on the lower side of the belt body 27 when viewed from the front. Further, the other traveling body 31b is fitted in the traveling recessed portion 19b of the rail portion 18b located above the guide rail 15 so as to be capable of traveling,
This belt body 2 is the second position 30b of the belt body 27 facing the first position 30a to which the one traveling body 31a is attached.
It is connected to the left side when viewed from the front on the upper side of 7.

As shown in FIG. 3, each of the pair of running bodies 31a and 31b is a running body having an elongated rectangular shape.
32, and on each of both side surfaces of both end regions in the longitudinal direction of the traveling main body 32, a substantially cylindrical horizontal roller 33 that rotates in a direction orthogonal to the width direction of the traveling main body 32, that is, horizontally. Are rotatably supported. These horizontal rollers 33 are rotatably fitted to both side areas of the locking projections 22a, 22b of the running recesses 19a, 19b of the rails 18a, 18b.

Further, inside the intermediate portion in the longitudinal direction of the traveling main bodies 32, vertical rollers 34 having outer peripheral edges protruding from both side surfaces of the traveling main bodies 32 are arranged in a direction orthogonal to the rotation direction of each horizontal roller 33. That is, it is rotatably supported along the vertical direction. This vertical roller 34 is
It has an outer diameter dimension that is approximately equal to the width dimension in 19a, 19b,
Traveling bodies 31a in the traveling recesses 19a, 19b of the rail portions 18a, 18b,
Disperses the stress in the width direction of 31b.

Further, in the middle region of one side surface in the longitudinal direction of the traveling main body 32, there is integrally provided a substantially flat plate-like connecting piece portion 35 projecting along the rotation direction of each horizontal roller 33. The outer surface of the tip of the connecting piece 35 is formed in an arc shape, and the tip of the connecting piece 35 has a boss penetrating in the vertical direction, which is the thickness direction of the connecting piece 35. An insertion hole 36 is provided.

The base end portion of one side surface located above the connecting piece portion 35 is provided with a base end portion of an elongated substantially flat plate-like belt connecting piece 37 protruding toward the side of the connecting piece portion 35. Is a screw body
It is fixed by screws 38. In addition, a pair of screw holes 39, which are separated from each other along the longitudinal direction of the belt connecting piece 37, are formed in the tip end portion of the belt connecting piece 37 in the thickness direction of the belt connecting piece 37. There is.

Further, a wavy belt fixing groove portion 41 corresponding to the engaging groove portion 28 of the belt body 27 is formed on the lower main surface of the one main surface located above the tip of the belt connecting piece 37. A belt fixing piece 42 continuously provided in the direction is attached. The belt fixing piece 42 has a pair of screw insertion holes spaced along the longitudinal direction of the belt fixing piece 42.
43 are provided, and the pair of screw insertion holes 43 are provided at positions communicating with the respective screw fastening holes 39 of the belt connecting piece 37, which are laterally displaced from the belt fixing groove portion 41.

The first position 30a on the lower side of the belt body 27
The connecting piece portion 35 of the traveling body 31a coupled to the first main body 11a of the traveling body 31a is attached to the rear surface of the first door body 11 located on the left side in a front view. The other end of the first arm body 44 as one connecting rod is rotatably connected. Further, one end of the connecting piece portion 35 of the traveling body 31b connected to the second position 30b on the upper side of the belt body 27 is rotatable on the back surface of the second door body 12 located on the right side in front view. The other end of the second arm body 46 as the connected second elongated rod-shaped connecting rod is rotatably connected.

When the closer 45 closes the opening 8 with the first door body 11 and the second door body 12, the first door body 11 and the second door body 12 close the first door body 11 and the second door body 12.
The rotation of the first arm body 44 with respect to the door body 11 is urged by an elastic force or the like, and the first door body 11 and the second door body 12 are
The closed state of the opening 8 is maintained.

A fitting recess 47 into which the tip of the connecting piece 35 is fitted is formed at the other end of each of the first arm body 44 and the second arm body 46. The fitting recess 47 has a communication hole 48 penetrating in the vertical direction, and the communication hole 48 is connected to the fitting recess 47 by a connecting piece.
When the tip portion of 35 is fitted, it communicates with the boss insertion hole 36 of the connecting piece portion 35. Therefore, the first arm body 44 and the second arm body 44
The other end of each of the arm bodies 46 is rotatably connected to the distal end portion of the connecting piece portion 35 of the traveling bodies 31a and 31b by rotatably connecting the communicating hole 48 and the boss insertion hole 36 that communicate with each other with the boss body 49. It is movably connected.

Further, the first door body 11 and the second door body 12
First arm body 44 in a state in which the opening 8 is closed by
At the intersection of the second arm body 46 and the first door body 11 and the second door body 12, the first door body 11 closes the first opening body 8 when the opening portion 8 is opened. The arm body 44
The auxiliary mechanism 51 as an interlocking auxiliary body that assists the operation of the other one of the first arm body 44 and the second arm body 46 by the operation of one of the second arm body 46 and the second arm body 46.
Is attached. The auxiliary mechanism 51 causes the second arm body 46 to interlock with the movement of the first arm body 44.

Further, the auxiliary mechanism 51 has the first door body 11 and the second door body 12 in the state where the opening 8 is closed.
A cylindrical engaging pin 52 is provided as an engaging portion projecting from the lower end surface of the second arm body 46 at the intersection of the arm body 44 and the second arm body 46. This engagement pin
52 has an axial direction along the vertical direction. Further, on the upper end surface of the first arm body 44 corresponding to the engaging pin 52, an engaging receiving portion 54 as an engaged portion having an engaging concave portion 53 with which the engaging pin 52 engages. It is installed.

The engagement receiving portion 54 has a width dimension slightly smaller than the width dimension of the first arm body 44.
The main body 55 is attached along the longitudinal direction of 44. In addition, a rectangular projecting piece 56 that projects in the width direction of the main body 55 is integrally provided at the center in the longitudinal direction of one side surface of the main body 55 in the width direction. Here, the engagement receiving portion 54 includes the main body portion 55 and the protruding piece portion.
56 is formed in a convex shape in a top view.

Further, the engagement recess 53 of the engagement receiving portion 54 is provided on the upper end surface of the engagement receiving portion 54, and the main body opposed from one side edge in the width direction of the protruding piece portion 56 to this one side edge. It is cut out toward the other side edge in the longitudinal direction of the portion 55. The engagement recess 53 is provided with an engagement groove 57 having a long groove cut out toward the other side edge in the longitudinal direction of the main body 55.

Further, at the base end edge of the engaging groove portion 57, the first
When the opening 8 is closed by each of the door body 11 and the second door body 12, the engagement pin 52 of the second arm body 46 is engaged. Further, the first door body is provided in the tip end region of the engagement groove portion 57.
When one of the first door body 11 and the second door body 12 is opened from the state in which the opening 8 is closed by each of the first door body 11 and the second door body 12, the second arm The engagement pin 52 of the body 46 engages.

Then, in the base end region of the engagement groove portion 57, from the side surface on the side of the protruding piece portion 56 in the base end region of the engagement groove portion 57, in the width direction of the protruding piece portion 56 continuously to this side surface. A release surface portion 58 that is inclined toward one side edge is formed flush. The release surface portion 58 engages with the engagement groove portion 57 when the engagement pin 52 is engaged with the engagement door portion 52 when the first door body 11 or the second door body 12 is further opened. The engagement of the engagement pin 52 with the groove 57 is released.

Further, at both ends in the longitudinal direction of the main body portion 55 of the engagement receiving portion 54, screw insertion ports 59 penetrating vertically are formed respectively. These screw slots 59
A screw body 38 is inserted into each of the
The engagement receiving portion 54 is connected and fixed to the upper end surface of the first arm body 44 by screwing and fixing each of the 38 to the upper end surface of the first arm body 44.

Next, the opening / closing operation of the above embodiment will be described.

First, as shown in FIG. 7, by closing the first door body 11, the first door body 11 and the second door body 11 are closed.
The first door body 11 and the second door body 12 close the opening 8 by interlocking the door bodies 12 of the above.

At this time, the engaging pin 52 of the auxiliary mechanism 51 is engaged with the proximal end region of the engaging groove 57 of the engaging receiving portion 54 of the auxiliary mechanism 51, and The closing of the opening 8 by the first door body 11 and the second door body 12 is held by the closer 45 on the back surface.

Thereafter, when the first door body 11 is opened from this state, as shown in FIG. 8, the movement of the first arm body 44 interlocked with the first door body 11 causes this movement. The traveling body 31a connected to the first arm body 44 moves toward the left side in front view.

Then, along with the movement of the traveling body 31a, the belt body 27 rotates clockwise in the front view, and the traveling body 31b connected to the second arm body 46 moves toward the right side in the front view.

As a result, since the second connecting rod moves as the traveling body moves, the second door body 12 becomes the first door body.
The opening operation is performed in conjunction with the opening operation of 11.

At this time, with the engagement pin 52 of the auxiliary mechanism 51 engaged with the engagement groove portion 57 of the engagement receiving portion 54 of the auxiliary mechanism 51, the side surface of the engagement groove portion 57 on the rear side in front view. It is moved toward the tip end side of the engagement groove portion 57 while being supported by.

When the first door body 11 is further opened from this state, as shown in FIG. 9, the first arm body 44 is opened.
The rotation of the belt body 27 accompanying the movement of the second door body 12
Is operated in conjunction with the opening operation of the first door body 11.

At this time, with the engagement pin 52 of the auxiliary mechanism 51 engaged with the engagement groove portion 57 of the engagement receiving portion 54 of the auxiliary mechanism 51, the engagement pin 52 is further moved toward the tip side of the engagement groove portion 57. Moving.

When the first door body 11 is further opened from this state, as shown in FIG. 10, the second door body 12 is opened in conjunction with the opening operation of the first door body 11. While being operated, the engagement pin 52 of the auxiliary mechanism 51 further moves toward the tip end side of the engagement groove portion 57 of the engagement receiving portion 54 of the auxiliary mechanism 51.

When the first door body 11 is further opened from this state, the first door body 11 is opened as shown in FIG.
The second door body 12 is opened in conjunction with the opening operation of the door body 11, and the engaging pin 52 of the auxiliary mechanism 51 is
Inside the engagement groove portion 57 of the engagement receiving portion 54 of 51, the tip end side of the engagement groove portion 57 rotates.

When the first door 11 is further opened from this state, as shown in FIG. 12, the first door 11 is opened.
The second door body 12 is opened in conjunction with the opening operation of the door body 11, and the engaging pin 52 of the auxiliary mechanism 51 is
While being supported by the front side surface of the engagement groove portion 57 of the engagement receiving portion 54 of the front view 51, the engagement receiving portion 54 moves toward the base end side of the engagement groove portion.

When the first door body 11 is further opened from this state, as shown in FIG. 13, the first door body 11 is opened.
The second door body 12 is opened in association with the opening operation of 11, and the engagement pin 52 of the auxiliary mechanism 51 engages the engagement groove 54 with the engagement receiving portion 54. It is released at the release surface portion 58 of the portion 54.

After this, the first door body 11 is further removed from this state.
Is opened, the second door body 12 is opened in conjunction with the opening operation of the first door body 11, and the opening 8 is opened.

As described above, according to the first embodiment, the first arm body is moved along with the opening operation of the first door body 11.
When the 44 moves toward the left side when viewed from the front, each of the horizontal roller 33 and the vertical roller 34 of the traveling body 31a connected to the other end of the first arm body 44 travels on the rail portion 18a of the guide rail 15. While being held in the recess 19a, the belt member 27 moves in the moving direction of the belt 27 while rotating in the running recess 19a.

Further, along with the movement of the belt body 27, the horizontal roller 33 of the traveling body 31b connected to the second arm body 46.
Similarly, each of the vertical roller 34 and the vertical roller 34 is also held in the running recess 19b of the rail portion 18b of the guide rail 15 and moves along the moving direction of the belt body 27 while rotating in the running recess 19b. .

Therefore, the rail portion 18a of the guide rail 15
The horizontal movement of the belt body 27 is supported by holding the horizontal rollers 33 and the vertical rollers 34 of the traveling bodies 31a and 31b by the traveling concave portions 19a and 19b of the 18b. Therefore, this belt body 27
Since the rotation and movement of the first door body 11 become smoother,
The opening operation of the second door body 12 associated with the opening operation can be more smoothly linked.

Further, the rail portions 18a, 18b of the guide rail 15
Since the running bodies 31a and 31b are held in the running recesses 19a and 19b of the vehicle, the running recesses 19a and 19b hold the running bodies 31a and 31b to connect the running bodies 31a and 31b to the first running bodies 31a and 31b.
The arm body 44 and the second arm body 46 are respectively supported. Therefore, the first arm body 44 and the second arm body 46 are more reliably supported, so that the door interlocking device including the first arm body 44 and the second arm body 46 is provided.
The damage of 14 can be prevented more and the reliability of the door device 9 can be improved.

Furthermore, the first door body 11 and the second door body 12
The second door when the opening operation by the first door body 11 is started at the intersecting position of the first arm body 44 and the second arm body 46 with the opening 8 closed by Since the auxiliary mechanism 51 for assisting the interlocking opening movement of the body 12 is provided, the first door body
Since the interlocking opening operation of the second door body 12 at the start of the opening operation by 11 becomes smoother, the second door body 12 can be interlocked more smoothly by the opening operation of the first door body 11. , These first
The opening 8 can be easily opened and closed by the door body 11 and the second door body 12.

In the above embodiment, the first door body
The second door body 12 was interlocked by the opening operation of 11 and the second door body 12 was opened, but the first door body 11 was interlocked by the opening operation of the second door body 12. Even if the first door body 11 is opened, the same operation and effect as in the above-described embodiment can be obtained.

Further, the closer 45 is attached between the first arm body 44 and the back surface of the first door body 11. As shown in FIG. 14, the first door body 11 and the first arm body 11 are closed. The closer 45 may not be attached between the body 44 and the like.

Further, the opening 8 of the furniture 1 is provided with the first door 11
The door device 9 that opens and closes the second door body 12 by interlocking with each other has been described, but as shown in FIG.
The door device 9 can be used in a corresponding manner also as a partition device that partitions the opening 62 of the opening 61 so as to be opened and closed.

[0063]

According to the opening / closing body interlocking device of the first aspect, a pair of traveling bodies that move along the movement direction of the belt are provided.
Since it was installed between the band and the pair of connecting rods,
Since the movement of the belt can be supported by the movement of the belt by the pair of traveling bodies, the movement of the belt can be made smoother by the pair of traveling bodies, and the opening / closing operation of one opening / closing body can be performed. The other opening and closing body can be linked more smoothly.

According to the opening / closing body interlocking device of the second aspect,
By the interlocking auxiliary body provided at the intersecting position of the first connecting rod and the second connecting rod, one of the first connecting rod and the second connecting rod is connected to the first connecting rod and the second connecting rod. Since the operation of the other of the rods is assisted, the opening operation of the second opening / closing body linked to the opening operation of the first opening / closing body can be made smoother, and the opening / closing operation of one opening / closing body can be performed by the opening / closing body of the other. Can be linked more smoothly.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an opening / closing body interlocking device of the present invention.

FIG. 2 is a partially cutaway perspective view showing a part of the above-mentioned opening / closing body interlocking device.

FIG. 3 is an exploded perspective view showing a part of the above-mentioned opening / closing body interlocking device.

FIG. 4 is a perspective view showing a part of an interlocking auxiliary body of the above-mentioned opening / closing body interlocking device.

FIG. 5 is an explanatory top view showing a part of the above-mentioned opening / closing body interlocking device.

FIG. 6 is an explanatory side view showing the above-mentioned opening / closing body interlocking device.

FIG. 7 is an explanatory top view showing a state in which the opening is closed by the above opening / closing body interlocking device.

FIG. 8 is an explanatory top view showing a state in which the opening is slightly opened by the opening / closing body interlocking device.

FIG. 9 is an explanatory top view showing a state in which the opening is further opened by the opening / closing body interlocking device.

FIG. 10 is an explanatory top view showing a state in which the opening is further opened by the opening / closing body interlocking device.

FIG. 11 is an explanatory top view showing a state in which the opening is further opened by the opening / closing body interlocking device.

FIG. 12 is an explanatory top view showing a state in which the opening portion is further opened by the opening / closing body interlocking device.

FIG. 13 is an explanatory top view showing a state in which the opening is further opened by the opening / closing body interlocking device.

FIG. 14 is a perspective view showing another embodiment of the opening / closing body interlocking device of the present invention.

FIG. 15 is an explanatory top view showing still another embodiment of the opening / closing body interlocking device of the present invention.

[Explanation of symbols]

8,62 Opening 11 First door body 12 as an opening / closing body 2 Second door body 14 as an opening / closing body Door interlocking device 26a, 26b as an opening / closing body interlocking device Pulley 27 as a support body Belt body as a belt 31a, 31b Running body 30a First position 30b Second position 44 First arm body that is a first connecting rod as a connecting rod 46 Second arm body 51 that is a second connecting rod as a connecting rod Auxiliary mechanism as an interlocking auxiliary body

Claims (2)

[Claims] 1. A rotatably mounted member 1 at both ends of an opening.
An opening / closing body interlocking device for opening / closing the opening by interlocking a pair of opening / closing bodies, the pair of supports being provided on both sides of the opening, and being wound between the pair of supports. , A band that is supported and moved by the pair of supports, a pair of running bodies that are attached to the band and travel along the moving direction of the band, and the pair of running bodies and An opening / closing body interlocking device comprising: a pair of opening / closing bodies, and a pair of connecting rods rotatably connected at both ends. 2. A rotatably mounted 1 at both ends of the opening.
An opening / closing body interlocking device for opening / closing the opening by interlocking a pair of opening / closing bodies, the pair of supports being provided on both sides of the opening, and being wound between the pair of supports. A band which is supported and moved by the pair of supports, and a first position of the band and a first band whose both ends are rotatably connected to either one of the pair of opening and closing bodies. Both ends thereof are rotatably connected to the connecting rod, the second position of the band that moves in a direction opposite to the movement of the first position of the band, and the other of the pair of opening / closing bodies. The second connecting rod and the first connecting rod and the second connecting rod are provided at the intersecting position, and the opening is opened from the state in which the opening is closed by the pair of opening / closing bodies. At this time, one of the first connecting rod and the second connecting rod is connected to the first connecting rod and the second connecting rod. Closing member interlocking device which is characterized in that it comprises the interlocking auxiliary member to assist the other one of the operation of the second connecting rod.