JPH10299330A - Sliding door structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an auxiliary door body from jumping out of a main door body to collide with a wall at the time of storage. SOLUTION: A storage rail part 2 is extended forward from the end part of a rail part for an opening frame to constitute an upper rail 3. A main door body 6 suspensed free to travel from the upper rail 3, and an auxiliary door body 7 fitted in a laterally slidable state to the main door body 6 are provided, and it is so set that an opening part is closed with the main door body 6 and auxiliary door body 7 in the state of the auxiliary door body 7 being pulled out of the main door body 6 and that the opening part is fully opened by making the main door body 6 travel along the storage rail part 2 in the overlapped state of the main door body 6 and auxiliary door body 7. A stopper member 70 is provided at the tip part of the storage rail part 2. The stopper member 70 is provided with a main traveling body stopper part with which a main traveling body suspending the main door body free to travel from the upper rail 3 is brought into contact, and an auxiliary door body stopper part 70b with which the tip of the auxiliary door body 7 is brought into contact.

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 In a conventional sliding door, for example, an opening is closed by two sliding doors.
A state in which one sliding door is opened and overlapped with another sliding door is a fully opened state. However, in the conventional example described above, even if the opening is fully opened, the width of one sliding door cannot be opened, and for example, it is not possible to enter / exit by a wheelchair or carry in / out of a load. There is a problem that it is difficult to do.

[0003]

Therefore, the present inventor has proposed:
In the process of arriving at the present invention, as shown in FIG. 13, an opening frame rail portion 1 is provided above the opening portion 4 so as to cross the opening portion 4 and a storage frame is provided forward from an end of the opening frame rail portion 1. The upper rail 3 is formed by extending the
Main body 6 suspended so that it can run freely, and this main body 6
Is provided with a sub-door 7 slidably mounted in the lateral direction, and the main door 6 and the sub-door 7 close the opening 4 in a state where the sub-door 7 is pulled out with respect to the main door 6. Set as
A sliding door was considered in which the main door 6 was run on the storage frame rail portion 2 in a state where the main door 6 and the sub door 7 were overlapped, and the opening 4 was fully opened. However, in this case, when the main door 6 is moved along the storage frame rail portion 2 and stored, the sub door 7 is moved in the direction of the arrow with respect to the main door 6 as shown in FIG. It has been found that there is a problem that the sliding door and the wall 9 are slid out and collide with the wall 9 to damage the sliding door and the wall 9. Further, in a state where the main door body 6 is moved along the storage frame rail portion 2 and stored, there is no means for holding the stored state, and the main door body 6 tries to close the opening 4 carelessly. Sometimes moved.

The present invention has been made in view of the above-mentioned problems of the prior art, and when the main door body is moved along the storage frame rail portion 2 and stored, the sub-door body is moved to the main door. Prevented from jumping out of the body and colliding against the wall, both the main door and the sub door can be stopped accurately at the final storage position, and the main door was moved to the storage rail and stored. In this state, it is possible to prevent the inadvertent return to the direction in which the opening is closed, and to reduce the speed of the main traveling body immediately before the main traveling body provided in the main door hits the main traveling body stopper. It is an object of the present invention to provide a structure of a sliding door that does not violently collide with a main traveling body stopper.

[0005]

In order to solve the above-mentioned problems, a sliding door structure according to the present invention is provided with an opening frame rail portion 1 above an opening portion 4 so as to cross the opening portion 4 and to form a sliding door. An upper rail 3 is formed by extending the storage frame rail portion 2 forward from an end of the rail portion 1, and a main door body 6 suspended on the upper rail 3 so as to run freely. An auxiliary door body 7 slidably mounted in a lateral direction is provided, and the opening 4 is closed by the main door body 6 and the auxiliary door body 7 in a state where the auxiliary door body 7 is pulled out with respect to the main door body 6. Set to
With the main door body 6 and the sub-door body 7 overlapping each other, the main door body 6 is caused to run on the storage frame rail portion 2 so that the opening 4 is fully opened. A stopper 70 for the main traveling body, which is provided with a stopper member 70 at the distal end, and a main traveling body 17 that hangs the main door body 6 on the upper rail 3 so that the main door body 6 can travel freely, and a tip of the sub door body 7. And a stopper portion 70b for the sub-door body to which the contact is applied. With such a configuration, the main door body 6 is connected to the sub-door body 7 at the rail portion 1 for the opening frame of the upper rail 3.
, It is possible to open and close half of the opening 4 using the main door body 6 as a sliding door, and to overlap the main door body 6 with the sub door body 7 Is moved to the storage frame rail portion 2, the opening 4 can be fully opened. When the main door body 6 is moved along the storage frame rail portion 2 and stored, the main traveling body 17 provided on the main door body 6 hits the main traveling body stopper portion 70a, and the main door body 6 is moved.
Are accurately stopped at the final storage position, and the tip of the sub-door 7 hits the sub-door stopper 70b, so that the sub-door 7 is accurately stopped at the final storage position. As a result,
The secondary door 7 is prevented from jumping out of the main door 6 and colliding with the wall 9, and both the main door 6 and the secondary door 7 can be accurately stopped at the final storage position.

In addition, a return for holding and stopping the main traveling body 17 that has reached the main traveling body stopper 70a before the main traveling body stopper 70a that the main traveling body 17 of the stopper member 70 contacts. It is also preferable to provide stop prevention means 71. With this configuration, it is possible to prevent the main door body 6 from inadvertently moving in the closing direction of the opening 1 in the state where the main door body 6 is located at the final storage position.

Further, the main traveling body 1 is located in front of a main traveling body stopper 70a against which the main traveling body 17 of the stopper member 70 contacts.
It is also preferable to form the detent prevention means 71 by providing a projection 71 a projecting on the movement trajectory 7 and being pressed by the movement of the main traveling body 17. With such a configuration, the main traveling body 17 can be moved to the main traveling body stopper 70a.
Immediately before stopping, the deceleration is performed by pressing the elastic projection 71a, and the main traveling body 17 is moved to the main traveling body stopper portion 70.
a is prevented from colliding vigorously.

[0008]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The accompanying drawings show an embodiment of the present invention. Openings 4 such as room partitions and doorways
, An opening frame 16 is attached. As shown in FIGS. 1 and 2, the opening frame 16 is formed by framing an upper frame 5 and a lower frame 12 between upper and lower vertical frame members 16a on both sides.

The upper rail 3 has a substantially L-shape in plan view. One of the upper rails 3 is the rail 1 for the opening frame, and the other is the rail 2 for the storage frame. One piece of the opening frame rail portion 1 of the upper rail 3 is disposed in the upper frame 5 of the opening frame 16 and is fixed to the upper frame 5 with screws. As shown in FIGS. 1 and 2, a cutout window 20 is provided on the front surface of one end of the upper frame 5, and the storage frame rail portion 2 of the other piece of the upper rail 3 extends from the cutout window 20.
Are projected forward (in the embodiment shown in the accompanying drawings, diagonally forward) (see FIGS. 1, 3, and 4). The corner portion of the upper rail 3 which is substantially L-shaped in plan view is curved in an arc shape.

A stopper member 70 is attached to a tip end of the storage frame rail portion 2 of the upper rail 3. Stopper member 7
Numeral 0 is as shown in FIG. 12, which is formed by integral molding of a synthetic resin, and the lower part of one end surface of the fitting main body 70c becomes the main traveling body stopper 70a, and the main traveling body stopper 70a A protruding bifurcated elastic protruding piece 70d protrudes from the upper part, and a projection 71a is provided at the tip of the elastic protruding piece 70d. The center projection 70e and the elastic projection 70d define a runner fitting recess 70f. The detent preventing means 71 is constituted by the elastic projection 70d having the projection 71a, the central projection 70e, and the like. L is attached to the end of the fitting main body 70c opposite to the main traveling body stopper 70a.
A lower portion (that is, a portion protruding downward) of the L-shaped portion 70g serves as a sub door stopper 70b.

Then, the part constituting the detent prevention means 71 of the stopper member 70 having the above-described structure and the fitting main body 70c are fitted into the opening at the end of the storage frame rail portion 2 of the upper rail 3, and the screw is inserted. It is fixed to the storage frame rail portion 2 by a tool. With the stopper member 70 attached to the tip of the storage frame rail portion 2 of the upper rail 3 in this manner, the sub door stopper 70b protruding downward from the tip of the stopper member 70 is used for the storage frame. It will be located slightly below the rail section 2.

The storage frame rail portion 2 is mounted on a wall 9 orthogonal to the upper frame 5 via a mounting bracket 10 as shown in FIGS. The lower rail 12 for the opening frame is provided on the lower frame 12.
2a is provided, and an end of the lower rail portion 12a for the opening frame is notched and a notch portion 14 is provided. 15 in the figure
Is a lower rail member 15 for storage, and has an arc-shaped corner portion 15a at one end. The lower rail member 15 for storage is positioned such that the end on the side of the corner 15a is located in the notch 14 and communicates with the lower rail portion 12a for the opening frame. In the embodiment shown in the drawings, the lower rail portion 12a projects obliquely forward),
And the lower rail member 15 for storage constitute a lower rail 100. The storage lower rail member 15 is attached to the wall 9 to the floor by the lower support fitting 10a.

A main door body 6 is suspended from the upper rail 3, which is substantially L-shaped in plan view, so as to be able to run. Here, upper traveling bodies 17 are provided at both ends of the upper part of the main door body 6, and the upper traveling bodies 17 project the shaft 21 upward from the upper surface of the main door body 6, and A runner 17a having wheels 17b is rotatably mounted, and the runner 17a is connected to rail pieces 22 on both sides of the lower opening of the upper rail 3.
It can be run freely.

A lower traveling body 13 is provided at both lower ends of the main door body 6, and the lower traveling body 13 can freely travel on the lower rail 100. On the front side of the main door body 6, the sub door body 7 is slidably mounted in a lateral direction by a slide connecting means 23 to constitute a door device 24. The slide connecting means 23 has a configuration as shown in FIGS. That is, slide rails 25a which are long in the horizontal direction are provided on the upper and lower surfaces of the main door body 6 facing the sub door body 7, respectively, and the upper and lower surfaces of the end of the sub door body 7 facing the main door body 6 are respectively provided. Two upper and lower guide wheels 26b are provided, and the upper and lower two sets of guide wheels 26b are fitted into upper and lower slide rails 25a, respectively, and the upper and lower two sets of guide wheels 26b are placed on the guide wheels 26b. 26b to slide rail 25
The guide wheel 26b below the guide wheel 26b, which is a pair of upper and lower guide wheels 26b, is freely rollable on the lower surface inside the slide rail 25a. In addition, subdoor body 7
Slide rails 26a are provided in the upper and lower sides of the main door body 6 facing the main door body 6, respectively, and two upper and lower guide rails are provided on the upper and lower surfaces of the end of the main door body 6 facing the sub door body 7, respectively. The upper and lower two guide wheels 25b are fitted into upper and lower slide rails 25a, respectively, and the upper and lower two guide wheels 25b are mounted on the slide rails 26a. The guide wheel 25b below the guide wheel 25b, which is a set of upper and lower two guide wheels 25b, can freely roll on the lower surface inside the slide rail 26a. The main door body 6 and the sub door body 7 are slidably connected in the lateral direction by such slide connection means 23.

Here, two guide wheels 25b and 26b are arranged in series in the vertical direction and form a set of two, and roll on the upper and lower surfaces inside the slide rail 25a or 26a, respectively. The direction in which the upper guide wheel of a set of two guide wheels is rotated in contact with the upper surface of the slide rail and the lower guide wheel is rotated in contact with the lower surface of the slide rail. The direction of the sliding is the same, and the smoothness of the slide is obtained.

The sub-door 7 is slidably connected to the main door 6 as described above. When the sub-door 7 is pulled out from the main door 6, the sub-door 7 is connected to the main door 6. The opening frame 16, the main door 6, and the sub-door 7 close the opening frame 16.
The size of the secondary door 7 is set. Further, at the lower ends of the main door body 6 and the sub door body 7, an elastic sealing piece 30 a is provided so as to protrude over the entire length, and when the sub door body 7 is arranged parallel to the lower rail 12. As shown in FIGS. 5 and 6, this elastic seal piece 30a is
The sealing is performed by contacting the outer surface of the second member. Also, the upper end of the main door body 6 and the upper end of the sub door body 7 and the upper rail 3 are shown in FIG.
As shown in FIG. 6, a seal piece 30b is provided, and the upper piece 3 and the upper end of the main door body 6 and the sub door body 7 are sealed by the seal piece 30b. In addition, the main door body 6
Is provided with a handle 34 used for opening and closing.

A stopper 3 is provided at a substantially middle portion of the opening frame rail portion 1 of the upper rail 3 and a substantially middle portion of the lower rail 12.
5 is provided, and the sub-door 7 is connected to one half of the opening 4 (FIG. 1).
In the state where it is located at the right half part in FIG. 1, the contact parts 35 provided above and below the end part (the left end part in FIG. 1) of the sub door body 7.
a hits the stopper 35 to move the sub door 7 to the opening 4.
1 cannot be moved to the other half (the left half in FIG. 1).

A lock member 36 is provided above and below the other end of the sub-door 7 so as to be vertically movable. 7 to 10 show the operation of the lock member 36. FIG. This lock member 3
6 is elastically urged by a spring 37, the upper locking member 36 projects upward from the upper end surface of the sub-door 7 by the spring force of the spring 37, and the lower locking member 36 Of the sub-door 7 protrudes downward from the lower end surface of the sub-door 7 due to the spring force. Slide rail 2 of sub door 7
6a, a horizontally long hole 38 is provided in the back wall.
A guide member 39 fixed to the lock member 36 is movably arranged in the vertical and lateral directions inside the lock member 36, and the outer surface side of the guide member 39 is located in the slide rail 26a. The guide member 39 has a plate shape that is long in the horizontal direction. One end portion is a tapered guide portion 40 that is inclined so as to protrude in the horizontal direction toward the upper side, and a locking portion 41 is provided at the other end portion. It is. A projection 41a is provided at the base of the locking portion 41. One side edge of the projection 41a is an inclined edge and the other side is a vertical edge, and the vertical edge forms the locking portion 41. doing. The guide member 3 is attached to a guide wheel 25b which is fitted in the slide rail 26a of the sub door body 7 so as to be freely movable.
9, the guide member 40 contacts the guide member 40,
A guide member operating section 42 is provided for moving 9 upward or downward (upper guide member 39 is lower, lower guide member 39 is upward) against spring 37. The guide member operation section 42 is provided on a shaft of the guide wheel 25b.

A lock receiver 43 is provided at an end of the upper frame 5 and an end of the lower rail 12a for the opening frame. As the lock receiver 43, a groove portion is provided on the upper frame 5 or the lower frame 12 itself, and this groove portion is used as the lock receiver 43,
Alternatively, a lock receiver 43 is provided by providing a hole. When the guide member operating portion 42 of the guide wheel 25b is not in contact with the guide member 39 in a state where the sub door body 7 is positioned at one half of the opening 4, the lock member 36 is moved by the spring force of the spring 37. 7, are fitted into the upper and lower lock receivers 43, and are locked so that the sub-door 7 does not move. Therefore, the secondary door 7 is connected to the opening 4.
In the locked state, the opening frame of the upper rail 3 is operated by holding the handle 34 of the main door body 6 in a hand and operating the main door body 6 as a sliding door. Rail section 12 for opening frame of lower rail section 1 and lower rail 12
a to open and close the other half of the opening 4 (the left half in FIG. 1). At this time, the upper traveling body 17 moves through the opening frame rail 1 of the upper rail 3. Runs,
The lower traveling body 13 travels in the lower rail portion 12a for the opening frame.

Here, when it is desired to fully open the opening 4,
The main door 6 is fully pushed into the sub door 7 in the opening frame 16. Then, the guide member 39 is operated by the guide operation section 42 in the order of FIG. 7 → FIG. 8 → FIG. 9 → FIG. 10 to unlock the lock member 36. That is,
FIG. 7 shows a state immediately before the main door body 6 is completely overlapped with the sub door body 7, and one half of the opening 4 is almost open.
Since the guide member operation section 42 provided on the guide wheel 25 b has not yet contacted the guide member 39, the lock member 36 is fitted into the lock receiver 43 by the spring force of the spring 37. When the main door body 6 is further pushed in from the state of FIG. 7, the guide member operating section 42 hits the inclined guide section 40 at the tip end of the guide member 39, and the main door body 6 is further pushed in, thereby causing the main door body 6 shown in FIG. As described above, the guide member 39 is moved up and down by the guide member operating portion 42 against the spring 37 (in FIG. 8, pushed upward), and the lock member 36 is released from the lock receiver 43 and unlocked. In this state, the upper traveling body 17 at one end of the main door body 6 starts to move from the opening frame rail 1 to the storage frame rail 2 side, and the lower traveling body 13 moves from the opening frame lower rail 12a. It starts to shift to the lower rail member 15 for storage. Accordingly, when the main door body 6 is further pushed in in this state, the state shown in FIG.
Are locked by the guide member operation unit 42. When the main door body 6 is further pressed in this locked state, the upper traveling body 17 provided at one end of the main traveling body 6 travels through the corner portion toward the storage frame rail portion 2 and is provided at one end. The lower traveling body 13 travels on the lower rail member 15 for storage through the corner portion while the main door body 6 is moving.
Is operated so that one end of the opening protrudes forward from the opening frame 16. In this case, the main door body 6 is completely overlapped with the sub door body 7,
Since the lock by the lock member 36 is released and the locking portion 14 is locked to the guide member operation portion 42, pressing the main door body 6 causes the sub door body 7 to overlap the main door body 6 and be supported. It jumps out forward in the state of having been done, and will be in the state of FIG. 4 is the upper traveling body 17 provided at one end of the main door body 6.
Shows a state in which the vehicle has traveled to the tip of the storage frame rail portion 2, and this state is a state in which the opening 4 is fully opened.

In this case, the wheels 17b of the runner 17a constituting the upper traveling body 17 provided at one end of the main door body 6 are shown in FIG.
As shown in FIG. 11 (a), the stopper member 70 stops on the main traveling body stopper portion 70a of the stopper member 70 to prevent the main door body 6 from traveling further. This is the final storage position of the main door 6. On the other hand, the upper end of the sub-door 7 stops at the sub-door body stopper 70b provided on the stopper member 70 and stops the sub-door 7 from moving further. It is designed to prevent trouble such as jumping out to the wall side and colliding with the wall.

The runner 17 constituting the upper traveling body 17
The elastic projection 7 in which the wheel 17b protrudes on the traveling locus of the wheel 17b immediately before the wheel 17b of the a contacts the main traveling body stopper 70a of the stopper member 70.
1a, while pushing the elastic projection 71a sideways, it is fitted into the runner fitting recess 70f between the forked elastic protruding piece 70d and the central protruding piece 70e.
When the wheel 7b gets over the protrusion 71a, the wheel 17b hits the main traveling body stopper 70a and stops. Therefore, just before the wheel 17b hits the main traveling body stopper 70a, the traveling speed of the wheel 17b is reduced by hitting the elastic projection 71a and hits the main traveling body stopper 70a. Part 70
When the wheel 17b climbs over the projection 71a, the projection 71a constituting the detent prevention means 71 is restored to its original state as shown in FIGS. 11 (b) and 11 (c). To prevent the wheels 17b from traveling on the side opposite to the main traveling body stopper 70a, so that the main door 6 is inadvertently opened with the main door 6 in the final storage position.
Is prevented from moving in the closing direction. In this case, both wheels 17b may be sandwiched from both sides by a bifurcated elastic protruding piece 70d having elasticity.

On the other hand, in order to close the opening 4 from the fully opened state of the opening 4 shown in FIG. 4, the main door 6 is moved in the opposite direction from the state of FIG. Can be moved by moving the wheel 17b over the elastic projection 71a). In this case, since the locking portion 41 is locked to the guide member operating portion 42, when the main door body 6 moves, the sub-door body 7 also moves at the same time. In this manner, the sub-door 7 moves while overlapping with the main door 6, and the tapered portion 36a at the tip of the lock member 36 provided on the sub-door 7 is
In this state, the main door 6 is further moved in a state where the sub-doors 7 are overlapped with each other, so that the tapered portion 36a
2, the lock member 36 is lifted up, and the state shown in FIG. 9 is reached. The lock between the lock portion 14 and the guide member operation portion 42 is released, and the lock member 36 The leading end passes through the upper surface of the lower frame 12 and moves to a position where the lower end of the lock member 36 faces the lock receiver 43. In this state, the secondary door body 7 has the contact portion 3 provided at one end.
5a hits the stopper 35, so that the main door 6
Is moved, the sub door body 7 does not move, and only the main door body 6 moves. In this case, during the closing operation, the one upper traveling body 17 provided on the upper part of the main door body 6 and traveling on the rail part 2 for the storage frame moves to the rail part 1 for the opening frame and the sub door body. The lower traveling body 13 which is provided at the lower part of the lower part 7 and travels on the lower rail member 15 for storage moves to the lower rail part 12a for the opening frame. Further, when the main door body 6 is moved, the state shown in FIG. 8 is changed to the state shown in FIG. 6, and the guide member operating section 42 is separated from the guide member 39 as shown in FIG. The part is stuck in the lock receiver 43 to be locked. Therefore, in this state, only the main door 6 is moved while the half of the opening 4 is closed by the sub-door 7 so that the opening 4 is closed.
The other half is opened and closed.

[0024]

According to the first aspect of the present invention, as described above, the rail for the opening frame is provided above the opening so as to cross the opening and the end of the rail for the opening frame. The storage frame rail portion extends forward from the portion to form an upper rail, and a main door body hangably movably mounted on the upper rail, and a sub door slidably mounted on the main door body in a laterally slidable manner. A door is provided, and the main door and the sub-door are set so as to close the opening with the sub-door pulled out with respect to the main door,
The main door body and the sub door body are overlapped with each other, and the main door body is moved to the storage frame rail section so that the opening is fully opened, and a stopper member is provided at the tip of the storage frame rail section. Provided,
Since the stopper member is provided with a main traveling body stopper that hits the main traveling body that hangs the main door body on the upper rail so that it can run freely, and a sub door body stopper that strikes the tip of the sub door. By sliding the main door body relative to the sub door body at the rail section for the opening frame of the upper rail, it is possible to open and close half of the opening using the main door body as a sliding door, The main door body and the sub door body are overlapped, and the main door body is moved to the storage frame rail portion, so that the opening can be fully opened, and furthermore, the main door body extends along the storage frame rail portion. When the main door is moved and stored, the main traveling body provided on the main door strikes the stopper for the main traveling body, and the main door stops accurately at the final storage position. The secondary door body stops exactly at the final storage position upon hitting the body stopper, As a result, it is possible to prevent the secondary door body from jumping out of the main door body and colliding with the wall, thereby preventing damage to the wall and the secondary door body. It can be stopped accurately at the storage position, and the storage state becomes beautiful.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, the main traveling body is provided in front of the main traveling body stopper portion against which the main traveling body of the stopper member contacts. The main door body is located in the final storage position, so that the main door body is inadvertently moved in the direction to close the opening. Is prevented, and the fully opened state of the opening can be reliably maintained. Further, by providing the stopper member with the detent preventing member, the number of members is reduced, the structure is simplified, and the construction can be simplified. Things.

According to the third aspect of the present invention, in addition to the effect of the second aspect of the present invention, the main traveling body depresses the elastic projection just before the main traveling body hits the main traveling body stopper and stops. The main traveling body can be prevented from violently colliding with the main traveling body stopper portion, and the main traveling body can be prevented from being damaged due to the collision.

[Brief description of the drawings]

FIG. 1 is a perspective view of the present invention.

FIG. 2 is a front view, partially cut away, of the above.

FIG. 3 is a partially cutaway plan view of the above fully closed state.

FIG. 4 is a plan view for explaining an operation of storing the storage frame in the storage frame rail.

FIG. 5 is a vertical cross-sectional view of the above, with a part omitted;

FIG. 6 is a longitudinal sectional view in which other parts of the above are partially omitted.

FIG. 7 is a view showing an operation sequence of the lock member according to the embodiment;
(A) is a front view, (b) is a plan view, (c)
Is a sectional view.

FIG. 8 is a view showing an operation sequence of the lock member according to the embodiment;
(A) is a front view, (b) is a plan view, (c)
Is a sectional view.

FIG. 9 is a view showing an operation sequence of the lock member according to the embodiment;
(A) is a front view, (b) is a plan view, (c)
Is a sectional view.

FIG. 10 is a view showing an operation order of the lock member according to the embodiment;
(A) is a front view, (b) is a plan view, (c)
Is a sectional view.

FIG. 11 (a) is a partially omitted front view showing a state in which the above-mentioned wheels are in contact with a main traveling body stopper portion, and FIG. 11 (b) shows a state in which the above-mentioned detent prevention means prevents return. It is sectional drawing of a state, and (c) is a bottom view same as the above.

FIGS. 12A and 12B show a stopper member used in the above, wherein FIG. 12A is a front view, FIG. 12B is a side view, and FIG. 12C is a plan view.

FIG. 13 is an explanatory diagram showing a problem of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Opening frame rail part 2 Storage frame rail part 3 Upper rail 4 Opening part 6 Main door body 7 Secondary door body 12 Lower frame 17 Main traveling body 70 Stopper member 70a Main traveling body stopper part 70b Secondary door stopper part 71 detent prevention means 71a projection

Claims (3)

[Claims] An upper rail is provided at an upper portion of the opening so as to extend across the opening, and a storage rail extends forward from an end of the opening frame rail. A main door body suspended freely on the upper rail,
A main door body is provided with a sub-door body slidably mounted in a lateral direction so that the main door body and the sub-door body close an opening in a state where the sub-door body is pulled out with respect to the main door body. The main door body and the sub door body are overlapped, and the main door body is caused to travel on the storage rail section so that the opening is fully opened, and a stopper member is provided at the tip of the storage rail section. The stopper member is provided with a stopper portion for the main traveling body, which is a main traveling body that hangs the main door body on the upper rail so as to be able to travel freely, and a stopper portion for the sub door body, which is a tip of the sub door body. A sliding door structure characterized by being formed. 2. A detent preventing means for holding and stopping the main running body which has reached the main running body stopper portion is provided in front of the main running body stopper portion to which the main running body of the stopper member contacts. The sliding door structure according to claim 1, wherein the sliding door comprises: 3. A detent is provided in front of a main traveling body stopper portion with which the main traveling body of the stopper member abuts is provided so as to protrude on a movement trajectory of the main traveling body and is pressed by the movement of the main traveling body. 3. The sliding door structure according to claim 2, wherein said sliding door comprises a prevention means.