JP3201717B2 - Sliding door structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door structure.

[0002]

2. Description of the Related Art Conventionally, there are three sliding doors for enabling a disabled person to enter and exit a wheelchair.
When a person with a disability enters or exits, three sliding doors are moved to one end of the rail, and three sliding doors are overlapped so that approximately two sliding doors are opened to enter and exit.

[0003]

However, even with the three sliding doors described above, even if the three sliding doors are moved to one end of the rail and overlapped to be in a fully opened state, they still have approximately one sheet. The width of the sliding door cannot be opened, the entire width of the opening frame cannot be opened as an opening for access, and it may be difficult to pass through a wheelchair.

There is another problem that it is difficult to carry in and carry out luggage not only when passing through a wheelchair but also when carrying in and out luggage. The object of the present invention is to allow the entire opening frame to be opened as necessary while normally using it as a sliding door, and to easily mount the main door and the sub door on the storage rail in a state where they are stacked. Can move along the opening frame by fully moving, and when the main door and the sub door are used as normal sliding doors, the sub door moves carelessly along the storage rail. There is no sliding door structure to provide.

[0005]

According to a first aspect of the present invention, there is provided a sliding door structure having an opening frame provided with an upper rail and a lower rail. A lower main traveling body 6 is provided at one end of the lower portion so as to be able to run on the lower rail 3 so as not to be detached from the lower rail 3, and is fitted into the lower rail 3 at the other end at the lower portion of the main door body 4 so as to be able to run freely. Notch 7 provided at one end of lower rail 3
An auxiliary traveling body 8 which is detachable from the outside of the main door 4 is provided, and is fitted on the upper rail 2 so as to be freely runnable on the upper rail 2 on the lower main traveling body 6 side end portion of the main door body 4 so as not to detach from the upper rail 2. Main running body 9
The auxiliary door body 5 is attached to the front side of the main door body 4 by the slide connecting means 10 so as to be slidable in the horizontal direction with respect to the main door body 4, and the auxiliary door body 5 is drawn out from the main door body 4. In the state, the sizes of the opening frame 1, the main door body 4, and the sub door body 5 are set so as to close the opening frame 1 with the main door body 4 and the sub door body 5, and the lower rail 3
Of the upper rail 2 corresponding to the end provided with the notch 7 of FIG.
1 is provided, and an upper sub-traveling body 13 is provided at an end opposite to the upper main traveling body 9 of the main door body 4 above the sub-door 5, and the upper sub-traveling body 13 travels on the storage rail 11. Install freely, main door 4
An engagement portion 40 is provided at the end where the auxiliary traveling body 8 is provided,
An engaged portion 41 with which the engaging portion 40 is engaged in a state where the main door body 4 overlaps the sub door body 5 is provided at an end of the sub door body 5 where the upper sub-travel body 13 is provided. It is characterized by the following. Usually, the auxiliary traveling body 8 is located in the lower rail 3 and the upper sub traveling body 13 is located near the end of the upper rail 2 for the storage rail 11, so that the main door body 4 and the sub door body 5 are located. Can be arranged in the opening frame 1 like two sliding doors. The opening frame 1 is opened and closed by moving the main door body 4 along the upper rail 2 and the lower rail 3. When the main door body 4 is further moved while the main door body 4 is engaged with the sub-door body 5 by engaging with the engaged portion 41, the auxiliary traveling body 8 And the upper sub-traveling body 13 travels along the storage rail 11, and the upper main traveling body 9 and the lower main traveling body 6 of the main door body 4 further move along the upper and lower rails 2, 3. As a result, the main door 4 and the sub door 5 are moved in an overlapping state, and finally the storage rail 11 is moved.
And the opening frame 1 is almost completely opened. When the main door body 4 and the sub door body 5 move substantially along the storage rail 11 with the main door body 4 and the sub door body 5 overlapping, the engaging portion 4
By the engagement of the engagement portion 41 with the engagement member 41, the main door body 4 and the sub door body 5 do not separate from each other, so that the above-described operation can be performed smoothly while maintaining an accurate overlapping state.

A locking means 42 for preventing the end of the sub-door 5 on the side of the upper sub-traveling body 13 from moving to the end where the upper sub-traveling body 13 is provided is provided with a locking means 42. The locking means 42 is provided so that the main door 4 is
It is also preferable that the engaging portion 40 is released from the lock receiving portion 43 by being pressed by the engaging portion 40 after being engaged with the engaged portion 41. With this configuration, when used as a sliding door, the locking means 42 is locked and the upper sub-running body 13 of the sub-door 5 is locked.
Does not move along the storage rail 11, and the sub-door 5 does not fall down even when an external force acts, and can be used stably as a sliding door.

Further, the lock means 42 is provided with a vertically movable body 4 which can be fitted into a lock receiving portion 43 provided on the rail.
4, a spring 45 for elastically biasing the vertical moving body 44 toward the lock receiving portion 43, and a first spring provided on the vertical moving body 44.
Of the spring 45 and the first inclined surface 46
A laterally movable body 48 having a second inclined surface portion 47 elastically in contact with the spring force of
It is also preferable that the horizontal moving body 48 is constituted by a contact portion 49 which is pressed by the engaging portion 40 in order to move the lateral moving body 48 in the direction opposite to the direction pressed by the spring force of the spring 45. . With such a configuration, after the main door body 4 is pushed to overlap the sub door body 5 and the engaging portion 40 is locked to the engaged portion 41, when the main door body 4 is further pressed, the engaging portion 40 is pressed.
Hits the hitting portion 49 and pushes the horizontal moving body 48, and when the horizontal moving body 48 is pushed, the second inclined surface 47 pushes the first inclined surface 46, and when the first inclined surface 46 is pushed, it moves up and down. The body 44 moves in the unlocking direction against the spring force of the spring 45 to release the lock.
By pressing, the engagement portion 40 is unlocked.
Can continuously move the upper sub running body 13 along the storage rail 11 by moving the upper sub running body 13 along the storage rail 11, thereby moving the main door body 4 and the sub door body 5 along the storage rail 11. The operation can be performed continuously.

Further, it is preferable that the contact portion 49 to which the engaging portion 40 comes into contact has an inclined surface. With such a configuration, the end of the sub-door 5 is moved forward (that is, the storage rail 11) by the engagement portion 40 hitting the inclined surface of the contact portion 49.
Side), and the sub door 5 and the main door 4 can be smoothly moved to the storage rail 11 side in a state where the sub door 5 and the main door 4 are overlapped.

[0009]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 14 show an embodiment of the present invention. An opening frame 1 is attached to an opening such as a room partition or an entrance. The opening frame 1 is constructed by framing an upper rail 2 and a lower rail 3 between upper and lower vertical frame members 100 on both sides. The main door body 4 is provided with a lower main traveling body 6 at one lower end, and an auxiliary traveling body 8 is provided at the lower other end of the main door body 4. An upper main traveling body 9 is provided at an upper portion of the end on which the traveling body 6 is provided. A notch 7 is provided at one end of the lower rail 3. The upper main traveling body 6 is constituted by a runner having wheels, and is suspended in the upper rail 2 so as to run freely.
In addition, the lower main traveling body 6 and the auxiliary traveling body 8 are respectively fitted in the lower rail 3 so as to be able to travel freely. Here, the auxiliary traveling body 8 has a shorter droop length than the lower main traveling body 6, and the lower rail 3
When the auxiliary traveling body 8 comes to the position of the notch 7 at the end of the notch 7, it can jump out of the notch 7 to the outside.
Therefore, while the upper main traveling body 9 and the lower main traveling body 6 are not detached from the upper rail 2 or the lower rail 3, the auxiliary traveling body 8 is notched to the lower rail 3 at the notch 7. It can be detached.

On the front side of the main door body 4, a slide connecting means 1 is provided.
0, the secondary door body 5 is slidably mounted in the horizontal direction to constitute the door device 12. Slide connection means 10
Has a configuration as shown in FIG. 1, FIG. 2 and FIG.
That is, slide rails 14a that are long in the lateral direction are provided on the upper and lower surfaces of the main door body 4 facing the sub door body 5, respectively, and the upper and lower surfaces of the end of the sub door body 5 facing the main door body 4 are respectively provided. The upper and lower two guide wheels 15b are provided, and the upper and lower two guide wheels 15b are fitted into the upper and lower slide rails 14a, respectively. The guide wheel 15b is rotatable on the upper surface of the slide rail 14a and the guide wheel 15b below the guide wheel 15b, which is a set of two upper and lower members, is connected to the slide rail 14a.
It is free to roll on the lower surface. Further, slide rails 15a which are long in the lateral direction are respectively provided on the upper and lower surfaces of the sub-door 5 facing the main door 4, and the upper and lower surfaces of the ends of the main door 4 facing the sub-door 5 are provided. Two upper and lower guide wheels 14b
The upper and lower two guide wheels 14b are fitted into the upper and lower slide rails 14a, respectively, and the upper and lower two guide wheels 14b are set on the guide wheels 14b.
b is rotatable on the upper surface of the slide rail 15a, and the guide wheel 1 under the guide wheel 14b is a set of two upper and lower parts.
4b is rotatable on the lower surface of the slide rail 15a. The main door body 4 and the sub door body 5 are slidably connected in the lateral direction by the slide connecting means 10.

Here, as shown in FIGS. 2 and 3, the upper and lower slide rails 14a are formed on the upper and lower horizontal rails 60a and 60b, which are constituent members of the main door body 4, respectively. The slide rails 14a are integrally formed at the same time when 60a and 60b are extruded from aluminum. The upper and lower slide rails 15a are formed on the upper and lower horizontal frames 61a and 61b, which are constituent members of the sub door body 5, and are simultaneously slid when the upper and lower horizontal frames 61a and 61b are extruded from aluminum. The rail 15a is formed integrally. Therefore, the slide rails 14a and 15a do not need to be specially prepared as separate members, and the slide rails 14a and 15a are formed integrally with the constituent members of the main door body 4 and the sub door body 5, so that separate members are provided. The slide accuracy can be improved as compared with the method of mounting the slide mechanism, the cost can be reduced, and the mounting process of the slide mechanism can be greatly reduced. In addition, the guide wheels 14b, 15b are corner blocks 50 to be incorporated in the ends of the vertical frames 62, 63 of the main door body 4 and the sub door body 5.
Is mounted with a wheel axle to reduce the number of parts. By the way, the guide wheels 14b, 15b
Are arranged in series in the up and down direction, and two are combined into one set.
Rolls on the upper and lower surfaces inside the slide rails 14a or 15a, respectively.
The direction in which the upper guide wheel of the pair of guide wheels rotates in contact with the upper surface of the slide rail coincides with the direction in which the lower guide wheel rotates in contact with the lower surface of the slide rail. Character will be obtained.

The sub-door 5 is slidably connected to the main door 4 as described above. Here, when the sub-door 5 is pulled out from the main door 4, the main door is pulled out. The sizes of the opening frame 1, the main door body 4, and the sub door body 5 are set so that the opening frame 1 is closed by the body 4 and the sub door body 5. In addition, main door body 4
At the lower end of the sub-door 5, a protruding seal piece 30 a is provided over the entire length, and when the sub-door 5 is arranged parallel to the lower rail 3, FIGS. As shown in FIG. 7, the sealing piece 30a having elasticity comes into contact with the outer surface of the lower rail 3 to perform sealing. The upper rail 2 is provided with a seal piece 30b as shown in FIGS. 2 and 3, and the main door body 4 and the sub-door body 5 are provided by the seal piece 30b.
To be pressed against the upper surface of the seal. Also,
Although not shown, the main door body 4 is provided with a handle used for opening and closing.

A storage rail 11 is provided to extend forward from a point near one end of the upper rail 2 corresponding to the end of the lower rail 3 where the cutout 7 is provided. Storage rail 1
Reference numeral 1 is attached to a wall (not shown) or the like by a support (not shown). The storage rail 11 is 9
It is led obliquely forward with an opening angle slightly wider than 0 °.

One end of the sub door 5 (that is, the guide wheel 15b)
An upper sub-running body 13 constituted by a runner having wheels is provided at the upper portion of the upper end of the sub-running body 13, and the upper sub-running body 13 is suspended on the storage rail 11 so as to be able to run. . Here, the upper main traveling body 9 and the upper sub traveling body 1 described above.
Numeral 3 is attached to the main door body 4 and the sub door body 5 so as to be horizontally rotatable by shafts.

An engagement portion 40 is provided at an upper portion and a lower portion of an end of the main door body 4 on which the auxiliary traveling body 8 is provided, respectively. On the other hand, the upper and lower surfaces of the side of the sub-door 5 where the upper sub-travel body 13 is provided facing the main door 4 are in a state where the main door 4 overlaps the sub-door 5. An engaged portion 41 with which the engaging portion 40 is engaged is provided. Further, a lock means 42 is provided at the end of the sub-door 5 where the upper sub-traveling body 13 is provided to prevent the end on the side of the upper sub-traveling body 13 of the sub-door 5 from moving. .

In the embodiment shown in the accompanying drawings, an engaged portion 41 is provided on a part of the constituent members of the lock means 42. Hereinafter, the engaged portion 41 will be described with reference to FIGS.
Will be described with respect to the lock means 42 provided in a part of the constituent members. Locking means 42 are provided on the upper and lower ends of the side where the upper sub-traveling body 13 is provided on the sub-door 5 respectively, but the basic configuration of the upper and lower locking means 42 is only upside down. Since the structure is the same, a description will be given based on the lock means 42 above. The corner block 50 provided at the corner portion of the sub door body 5 is provided with a lock means storage space 51. The lock means storage space 51 has a vertically movable body storage section 52 opened upward and a vertically movable body storage section 52.
And a lateral moving body storage unit 53 communicating with the
The lateral moving body storage section 53 is open in the thickness direction of the corner block 50. The vertically movable body 4 is stored in the vertically movable body storage 52.
The vertically movable body 44 is provided with a spring 45 in the direction of projecting upward by a spring 45. A first inclined surface portion 46 having an upper surface inclined is provided to project from a side portion of the vertical moving body 44. On the other hand, a horizontal moving body 48 is fitted into the horizontal moving body storage 53 so as to be movable in the horizontal direction. The lateral moving body 48 is provided with a second inclined surface part 47 having a lower surface inclined. The first inclined surface part 46 of the first vertical moving body 44 is laterally moved by the spring force of a spring 45. It is in elastic contact with the second inclined surface portion 47 of the body 48,
As a result, the horizontal moving body 48 is pushed and moved in a direction away from the vertical moving body 44, stops when the horizontal moving body 48 hits the stopper 59, and this state is the maximum protruding state of the vertical moving body 48. A hitting portion 49 is fixed to the lateral moving body 48 with a screw 54, and the corresponding portion 49 protrudes from a side surface of the corner block 50 so as to face the engaging portion 40. The contact portion 49 protrudes from the side surface of the corner block 50 so as to face the engaging portion 40 as described above, but the protruding surface of the corresponding portion 49 is an inclined surface. As shown in FIG. 9, the inclined surface provided on the protruding surface of the contact portion 49 has a shorter protruding length nearer to the engaging portion 40 and a longer protruding length further away from the engaging portion 40. It is an inclined surface. An engaged portion 41 is provided closer to the engaging portion 40 than the inclined surface of the contact portion 49. Here, the engaging portion 4
At least one or both of the 0 to the engaged portions 41 have elasticity.

As described above, the engaged portion 4
The locking means 42 provided with 1 is in a state where both the main door body 4 and the sub door body 5 are along the upper and lower rails 2 and 3 and the engaging portion 40 has passed over the engaged portion 41 and has not pushed the hitting portion 49. Due to the spring force of the spring 45, the vertical moving body 44 protrudes as much as possible, and the upper end of the vertical moving body 44 fits into the lock receiving portion 43 provided on the rail (upper rail 2) to be in a locked state. The state in which the upper sub-traveling body 13 provided on the sub-door 5 is located at the end of the storage rail 11 is maintained. On the other hand, when the main door body 4 is run to cause the engaging portion 40 to elastically ride over the engaged portion 41 to be in the engaged state, and further pushed in to press the inclined surface of the contact portion 49 with the engaging portion 40, The horizontal moving body 48 provided with the contact portion 49 moves in the horizontal direction, the second inclined surface portion 47 pushes the first inclined surface portion 46, and the first inclined surface portion 46 is pushed, so that the vertical moving body 44 becomes a spring 45. The lock is released by moving in the unlocking direction (downward in the embodiment) against the spring force of the above, and by further pressing the main door body 4, the engaging portion 40 is brought into contact with the contact portion 49 in the unlocked state. So that the upper sub-traveling body 13 is moved along the storage rail 11 so that the main door body 4 and the sub-door body 5 can be moved along the storage rail 11 in a state of being superimposed. It has become. The lock receiving portion 43 is formed integrally with a groove portion 43 a next to the rail portion 2 a on which the upper main traveling body 6 runs on the upper rail 2, and the concave groove portion 43 a serves as the lock receiving portion 43. As shown in FIG. 1, the lower rail 2 has a lock receiving portion 43 as a separate member fixed to the lower rail 2.

FIG. 4 shows a state in which the opening frame 1 is fully closed and the main door body 4 is fully drawn out to the side with respect to the sub-door body 5 in the above configuration. At this time, as shown in FIG. 1, the upper main traveling body 9 is located at one end of the upper rail 2, and the upper sub traveling body 13 is
(That is, the end on the one end side of the upper rail 2). In this state, the vertical moving body 44 of the locking means 42 is fitted into the lock receiving portion 43 and locked as described above. ing. Also, as shown in FIG. 1, the lower main traveling body 6 is located at one end of the lower rail 3 and the auxiliary traveling body 8
Is located at a substantially intermediate portion of the lower rail 3. In this way, the main door body 4 and the sub door body 5 connected by the slide connecting means 10 have one end side on the upper main traveling body 9 and the lower main traveling body 6 on the upper rail 2 and the lower rail 3, respectively. It is supported by being fitted, the intermediate part is supported by the auxiliary traveling body 8 being fitted to the lower rail 3, and the other end side is supported by the upper sub traveling body 13 being fitted to the storage rail 11. At the same time, it is suspended and supported by the upper main traveling body 9 and the upper sub traveling body 13, and maintains the fully closed state.

Next, by moving the main door body 4 along the upper and lower rails 2 and 3 using the main door body 4 as a sliding door from the state of FIG. 4, substantially half of the opening frame 1 can be opened and closed. next,
When the entire opening frame 1 is opened, the main door 4 is pushed along the upper and lower rails 2 and 3 so that the main door 4 is overlapped with the sub-door 5 and the engaging portion 40 is connected to the engaged portion 41. The state shown in FIG. 5 is obtained by pushing over the main door body 4 from the state shown in FIG. 5 and further pushing the main door body 4 from the state shown in FIG. State.

That is, this operation will be described in more detail.
Reference numeral 2 denotes a state before the engaging portion 40 gets over the engaged portion 41. In this state, as shown in FIG.
The upper and lower movable body 44 protrudes to the maximum and is fitted and locked in the lock receiving portion 43 as shown in FIG. 10C, but the engaging portion 40 gets over the engaged portion 41 as shown in FIG. When the main door 4 is pressed in this state, the engaging portion 40 hits the inclined surface of the contact portion 49 and moves the lateral moving body 48 in the lateral direction. Then, the second inclined surface portion 47 pushes the first inclined surface portion 46,
When the first inclined surface portion 46 is pushed, the vertical moving body 44 moves in the unlocking direction (downward in the embodiment) against the spring force of the spring 45 (this state is the state of FIG. 11), and the unlocking is performed. Is made. This unlocked state is shown in FIG.
(C), which corresponds to the state of FIG. In the position where the lock is released, the auxiliary traveling body 8 provided on the main door body 4 faces the notch 7. Further, by pushing the main door body 4 in the unlocked state, if the engaging portion 40 continues to push the inclined surface of the contact portion 49 in the unlocked state, the sub door body 5 is moved forward (that is, the storage rail). 11 side protruding)
The upper sub running body 13 is moved along the storage rail 11 to move the main door body 4 and the sub door body 5 to the storage rail 11 as shown in FIG. And the auxiliary traveling body 8 facing the notch 7 jumps out of the notch 7, the upper sub-traveling body 13 moves to the tip of the storage rail 11, and The main traveling body 9 moves to the end of the upper rail 2 on the storage rail 11 side, and the lower main traveling body 6 moves to the end of the lower rail 3 so that the opening frame 1 is fully opened as shown in FIG. Is what you do. As described above, when the main door body 4 and the sub door body 5 are moved along the storage rail 11, the engaging portion 40 is over the engaged portion 41 and is in the engaged state. 4 and the subdoor body 5 are kept in an overlapping state.

As described above, the main frame 4 and the sub-frame 5 are moved from the fully opened state of the opening frame 1 shown in FIG. When the main door body 4 and the sub door body 5 are overlapped, the upper sub traveling body 13 is moved in the opposite direction along the storage rail 11 when the main door body 4 and the sub door body 5 are overlapped. Then, the upper main traveling body 9 and the lower main traveling body 6 are moved along the upper and lower rails 2 and 3, and the auxiliary traveling body 8 is inserted into the lower rail 3 from the notch 7 and returned to the state of FIG. . When the main door body 4 is pulled from the state of FIG. 6, the upper sub traveling body 13 is located at the end of the storage rail 11 and the sub door body 5 does not move, so that only the main door body 4 moves and engages. The portion 40 releases the pressing of the contact portion 49, and further moves over the engaged portion 41 in the disengagement direction to move the main door body 4.
Only the sliding door of the opening frame 1 can be used. In this case, when the engaging portion 40 releases the pressing against the contact portion 49, the vertical moving body 44 and the horizontal moving body 48 move by the spring force of the spring 45, and the tip of the vertical moving body 44 is The lock is performed by the lock means 42 so that even if an external force that falls down on the sub-door body 5 is applied, the sub-door body 5 does not tilt, and 13 can be prevented from moving along the storage rail 11.

In the above embodiment, when the main door body 4 is pulled with respect to the sub-door body 5 in releasing the engagement portion 40 from the engaged portion 41, the engagement portion 40 and the engaged The engaging portion 40 to the engaged portion 41 are bent by the elastic force of the portion 41 to release the locking. In the embodiment shown in FIGS. 15 and 16, the end of the main door body 4 is closed. A fitting groove 70 having a circular cross section is provided in the corner block 50 provided in the portion, an opening 71 is provided in the end face of the corner block 50, and a cylindrical body 72 having the same diameter as the fitting groove 70 is provided in the engaging portion 40. The cylindrical body 72 is rotatably fitted in the fitting groove 70, and the opening 71
The notch 73 is provided by notching one side of the opening, and the opening width of the opening 71 is reduced by providing the notch 73.
1 is slightly wider than the neck portion 74 located inside the main door body 4, whereby the main door body 4 is moved to the secondary door as shown by an arrow in FIG. When the body 5 is pulled with respect to the body 5, the columnar body 72 of the engaging portion 40 slightly rotates in the fitting groove 70, and the neck portion 74 becomes the notch 73 in the opening 71.
16 and the solid line in FIG.
When the engaging portion 40 to the engaged portion 41 bends and comes off due to the elastic force of the 0 to the engaged portion 41, the engaging portion 40 to the engaged portion 41 are easily released.

Next, still another embodiment of the present invention will be described with reference to FIG.
19 through FIG. In the present embodiment, the engaged portion 4 provided near the engagement portion 40 side of the contact portion 49 is provided.
When the main door 40 is pushed in from the state shown in FIG. 17, the engaging portion 40 forms the engaged portion 41 having elasticity as shown in FIG. 18. The projecting piece 90 can be easily overcome.
FIG. 19 shows a state where the main door body 40 is further pushed in from the state of FIG. 18, and shows the same operation state as FIG.

[0024]

According to the first aspect of the present invention, as described above, the upper rail and the lower rail are provided on the opening frame, and the lower end rail of the main door body can run on the lower rail. A lower main traveling body which is fitted into the lower rail and which is not detached from the lower rail is provided. A detachable auxiliary traveling body is provided, and an upper main traveling body which is fitted to the upper rail so as to be freely movable and is not detached from the upper rail is provided above the lower main traveling body side end of the main door body. An opening frame is formed between the main door and the sub-door in a state where the sub-door is slidably mounted on the front side by a slide connecting means so as to be slidable laterally with respect to the main door, and the sub-door is pulled out from the main door. Who set the size of the opening frame, main door, and sub door so that they close A storage rail is provided which is led out from the vicinity of one end of the upper rail corresponding to the end, and an upper rail is provided at an end of the main door above the sub door opposite to the upper main traveling body. Since the traveling body is provided and the upper sub traveling body is mounted on the storage rail so that it can run freely, it is usually used as a sliding door, and if necessary, swing with the main door body and the sub door body overlapped It is possible to easily open the entire opening frame, and furthermore, an engaging portion is provided at the end of the main door body where the auxiliary traveling body is provided, and the main door body overlaps with the sub door body. Since the engaged portion to be engaged by the engaging portion in the state is provided at the end of the sub-door body where the upper sub-traveling body is provided, the main door body is moved to move the main door body and the sub-door body. When the main door body and the sub-door body move substantially along the storage rail with the main door body and the sub-door body superimposed on each other, the engagement portion can be engaged. And that the engaged portion are engaged, in which it can be operated smoothly without the departing and the Shutotai and Fukuto body.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, the upper side of the sub-door is provided at the end where the upper sub-running body is provided. Locking means for preventing the end on the side of the sub-running body from moving is provided, and the locking means causes the main door body to overlap the sub-door body due to the movement of the main door body, so that the engaging portion becomes the engaged portion. Since it is configured to be unlocked by being pressed by the engaging portion after being engaged,
When used as a sliding door, the locking means is locked, and the upper sub-traveling body of the sub-door does not move along the storage rails, and the sub-door is actuated even when an external force such as tilting the sub-door is applied. It does not fall down and can be used as a stable sliding door device.

According to the third aspect of the present invention, in addition to the effect of the second aspect of the present invention, the locking means further comprises:
An up-down movable body that can be freely fitted into a lock receiving portion provided on the rail, a spring that elastically biases the up-down movable body toward the lock receiving portion side, and a first inclined surface portion provided on the up-down movable body; A laterally movable body having a second inclined surface portion in which the first inclined surface portion is elastically contacted by the spring force of the spring; Since it is composed of a contact portion pressed by the engagement portion to move in the direction opposite to the direction pressed by the spring force, the lock is released by pressing the contact portion with the engagement portion. Locking means can be formed with a simple configuration,
The operation of moving the main door and the sub door along the storage rail in a state where the engagement and unlocking of the engaged part and the unlocked part are performed by pushing the main door is continuous. You can do it.

According to the fourth aspect of the present invention, in addition to the effect of the third aspect of the present invention, the end of the sub door body is moved forward (that is, the end portion of the sub door body is hit by the engaging portion hitting the inclined surface of the contact portion). A component force for moving to the storage rail side acts on the storage rail side in a state where the sub door body and the main door body are overlapped.

[Brief description of the drawings]

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

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a sectional view taken along line YY of FIG. 1;

FIG. 4 is a schematic plan view showing a state in which the opening frame is fully closed.

FIG. 5 is a schematic plan view showing a state where substantially half of the opening frame is opened.

FIG. 6 is a schematic plan view showing a state where the main door body is further pushed in with the engaging portion and the engaged portion being engaged with each other.

FIG. 7 is a schematic plan view showing a state in which the upper auxiliary traveling body is traveling along a storage rail.

FIG. 8 is a schematic plan view showing a state where the opening frame is fully opened.

9A and 9B show a state in which an unlocking means and an upper auxiliary traveling body are attached to the corner block used in the above, wherein FIG. 9A is a plan view, FIG. 9B is a front view, and FIG. 9C is a side view. is there.

FIGS. 10A and 10B show a state in which the lock means is locked to a lock receiving portion, wherein FIG. 10A is a side view, FIG. 10B is a plan sectional view, and FIG. 10C is a front sectional view.

FIGS. 11A and 11B show a state in which the lock means is unlocked from the lock receiving portion, wherein FIG. 11A is a side view, FIG. 11B is a plan sectional view, and FIG. It is.

FIG. 12 is an explanatory diagram of a state before the engaging portion is engaged with the engaged portion.

FIG. 13 is an explanatory view showing a state where the engaging portion is engaged with the engaged portion and the contact portion is pressed by the engaging portion.

FIG. 14 is an explanatory view showing a state in which the main door body is further pushed in from the state of FIG.

FIG. 15 is a cross-sectional view showing another embodiment of the engaging portion of the present invention.

FIG. 16 is an operation explanatory view of the above.

FIG. 17 is an explanatory view showing a state before engaging an engaging portion with an engaged portion according to another embodiment of the present invention.

FIG. 18 is an explanatory diagram showing a state in which the engaging portion is engaged with an engaged portion.

FIG. 19 is an explanatory view showing a state in which the main door is further pushed in from the state of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Opening frame 2 Upper rail 3 Lower rail 4 Main door body 5 Sub door body 6 Lower main traveling body 7 Notch 8 Auxiliary traveling body 9 Upper main traveling body 10 Slide connection means 11 Storage rail 12 Door device 13 Upper auxiliary traveling body Reference Signs List 40 Engaging part 41 Engaged part 42 Lock means 43 Lock receiving part 44 Vertical moving body 45 Spring 46 Inclined surface part 47 Second inclined surface part 48 Lateral moving body 49 Contact part

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 59-167174 (JP, U) Japanese Utility Model Showa 57-180072 (JP, U) Japanese Utility Model Showa 61-146373 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) E05D 15/56-15/58 E05D 15/36

Claims (4)

(57) [Claims] An upper frame and a lower rail are provided in an opening frame,
A lower main traveling body is provided at one end of the lower portion of the main door so as to be freely slidable on the lower rail and is not detached from the lower rail. An auxiliary traveling body that can be detached to the outside from the notch provided at one end of the rail is provided, and it is fitted to the upper rail so that it can run freely on the upper rail above the lower main traveling body side end of the main door body. An upper main traveling body that does not detach is provided, and a sub door is slidably attached to the front side of the main door by a sliding connection means in a lateral direction with respect to the main door, and the sub door is pulled out from the main door. The size of the opening frame, main door body, and sub door body is set so that the opening frame is closed by the main door body and sub door body in the state where it is set, and it corresponds to the end with the cutout of the lower rail Provide a storage rail that is led out from the vicinity of one end of the upper rail, An upper sub-traveling body is provided at the end opposite to the upper main traveling body, and the upper sub-traveling body is movably mounted on the storage rail, and is provided at an end of the main door body where the auxiliary traveling body is provided. An engaging portion is provided, and an engaged portion to be engaged with the engaging portion in a state where the main door body overlaps the sub door body is provided at an end of the sub door body where the upper sub running body is provided. Sliding door structure characterized by: 2. A lock means for preventing an end on the side of the upper sub-running body of the sub-door from being provided at an end where the upper sub-running body of the sub-door is provided; The main door body is moved by the movement of the main door body so that the main door body overlaps with the sub-door body, and the engaging portion is engaged with the engaged portion, and then the lock is released by being pressed by the engaging portion. The sliding door structure according to claim 1, wherein: 3. A vertical moving body which can be freely fitted into a lock receiving portion provided on a rail, a spring for elastically biasing the vertical moving body toward the lock receiving portion side, and A laterally movable laterally movable body having a first inclined surface portion provided, a second inclined surface portion in which the first inclined surface portion elastically contacts the spring force of the spring, and pressing of the locking portion. 3. A contact portion which is pressed by an engaging portion to move the lateral moving body in a direction opposite to a direction in which the lateral moving member is pressed by the spring force of the spring. Sliding door structure. 4. The structure of a sliding door according to claim 3, wherein a contact portion of the sliding door is an inclined surface.