JPS5840634B2 - interlocking sliding door - Google Patents

Description

[Detailed description of the invention] The present invention relates to interlocking sliding doors.

Conventionally used interlocking sliding doors have disadvantages in that the interlocking/sliding mechanism is complicated and often breaks down, and the vertically elongated sliding door with a small width can break and become difficult to open and close smoothly.

Alternatively, the interlocking mechanism may be exposed to the outside and pose a danger to the body.

The present invention eliminates these drawbacks, has a simple structure, can be manufactured at low cost, can be opened and closed easily and smoothly without any trouble, is highly safe because the interlocking mechanism 75@ cannot be ejected, and has a width of the entrance (passage area). To provide an interlocking sliding door whose dimensions can be adjusted to nearly twice the width of a door pocket and which can easily take in and take out large furniture.

Therefore, the present invention is characterized by comprising two inner and outer sliding doors each having a width that is approximately half the width of the entrance, and a door pocket that stores the inner and outer sliding doors in an overlapping manner. A rotor is rotatably attached to the edge near the left and right ends, and a transmission member such as a belt, rope, chain, etc. that can be stretched or curved is engaged in an endless manner between the rotors. A part of the transmission member is fixed to a fixed part such as a door pocket, and another part is fixed to the upper part of the outer sliding door on the entrance/exit side, so that the inner and outer sliding doors are connected to open and close in conjunction with each other via the endless transmission member. The point is that it is composed of:

Hereinafter, the present invention will be explained in detail based on the illustrated embodiments.

In FIGS. 1, 2, and 3, 1 is a door pocket, and the door pocket 1 is fixed to a surrounding frame member 6 consisting of left and right vertical members 2, 3, an upper rail 4, and an F rail 5. , it may be in the form of a fixed plate.

1 is an inner sliding door on the storage side where the door pocket 1 is located, and 8 is an outer sliding door on the entrance/exit 9 side.
are designed to open and close in conjunction with each other.

That is, as shown in FIG. 4 and FIGS. 1, 2, and 3,
A rotor 13.14 is rotatably attached to the upper edge 10 of the inner sliding door 7 near the left and right ends 11.12 by a shaft 15.15. Sprocket 13a.

14a is pivotally mounted, and the two sprockets 13a, 14a are approximately housed inside the upper rail 4.

Reference numeral 16 denotes an endless transmission member that is engaged between the rotors 13 and 14 and exhibits expansion, rectangular, and curved deformation. Specifically, a chain 16a that is engaged with the sprockets 13a and 14a in a meshing manner is exemplified. do.

A part of this transmission member 16 is fixed by a fixing fitting 17.
Although not shown, it is possible to fix a part of the transmission member 16 to a fixed part such as the upper rail 4, for example, in addition to the door pocket 1, which is fixed to the side edge of the entrance/exit 9 of the door pocket 1.

Furthermore, although the transmission member 16 has an elongated annular shape, in the vicinity of the symmetrical position with the fixed fitting 17, another fixed fitting 1
8 to the upper edge 19 of the outer sliding door 8.
The other parts are fixed.

Reference numerals 20 and 21 are transfer rollers for suspending the sliding doors 7 and 8 on the upper rail 4, respectively, and they roll in guide grooves 22 and 23 formed in the side wall of the upper rail 4.

As is clear from FIGS. 2 and 3, when the outer sliding door 8 is opened toward the storage side in the direction of arrow A, the elongated annular transmission member 16 is secured to the clock by the fixing fitting 18. The rotors 13 and 14 are also rotated clockwise to differentially open the inner sliding door 7 in the direction of arrow B.

When the outer sliding door 8 is pulled in the opposite direction to arrow A, the rotors 13 and 14 rotate in the opposite direction, and the inner sliding door 7 is pulled in the direction of arrow B.
and flips closed differentially in the opposite direction.

In this way, the outer sliding door 8 moves a longer distance than the inner sliding door 7 to open and close in conjunction with each other, but the ratio of the moving distance or speed of the outer sliding door 8 and the inner sliding door 7 is (2:1) from the figure. )
It is clear that

Therefore, the inner and outer sliding doors 7 and 8 can be opened by completely overlapping the door pocket 1.

Next, in the specific example shown in FIGS. 4 and 5, the lower rail 5
In order to prevent swinging of the sliding doors 1, 8 and guide them, fitting casing protrusions 25, 25 are protrudingly provided in grooves 24, 24 formed on the lower surfaces of the sliding doors γ, 8.

Further, the upper rail 4 is attached to an upper rail base 3 which is directly fixed by fasteners 28 and 29 to a horizontal member 27 that has an upper side 26 of an opening in a wall or the like in which the surrounding frame member 6 is attached in a fitted manner.
0 and a suspension guide 31 which is an open-shaped member at both longitudinal ends and has the guide grooves 22 and 23, and a fitting groove 32 and a fitting protrusion 33. The suspension guide 31 is detachably attached to the base body 30 by fitting and a connecting member 34 such as a bolt or screw.

In Fig. 5, fittings 35, 35 such as angles are fixed to the upper rail 4 and the bottom rail 5 with bolts, screws, etc., and a fixing plate or a door bag 1 in the form of a fixing plate is attached to these fittings 35, 35. 3
Install at 6,36.

At this time, the door pocket 1 can be screwed from the indoor side to prevent the door bag 1 from being removed from the outside. It is possible to fit the rollers 20, 21 into the guide grooves 22, 23 freely in the direction shown in FIG. After making it into a hanging shape, make it into a shape slightly inclined with respect to the vertical plane, fit the grooves 24, 24 into the protrusions 25, 25 of the lower rail 5, and push them in as shown by the arrow E in Fig. 4. , the suspension guide 31 of the upper rail 4 and the base body 30 can be assembled, and the grooves 32 and the protrusions 33 can be joined together and the connectors 34 can be used to firmly integrate them.

Both ends of the hanging guide body 31, which had an open shape, are connected to the vertical member 2.
, 3 so that the rollers 20, 21 do not fall out of the grooves 22, 23.

In the specific example shown in FIGS. 4 and 5, the upper rail 4 has a structure in which the suspension guide 31 and the upper rail base 30 are separated and assembled, so that the sliding door 7.8 can be easily and quickly opened. In addition to being able to be attached to the system, even if the interlocking mechanism should break down, it can be easily removed and repaired.

Further, as is clear from the figure, the interlocking mechanism can be stored compactly, and the width and height of the upper rail 4 can be greatly reduced.

The interlocking sliding door of the present invention is not limited to the above-mentioned embodiments, and the design can be changed freely. For example, the door pocket 1 can be made into a bag-like shape using bent thin plate material, and the sliding doors 7 and 8 can be made of various materials and shapes. It is.

In the past, belts, ropes, etc. were used as the transmission member 16, and belt pulleys or rope pulleys could also be used as the rotors 13 and 14, for example, when quietly opening and closing lightweight sliding doors 1 and 8. suitable for

-! It is also possible to set the shaft 15 horizontally and rotate the rotors 13, 14 in a vertical plane.

In addition, Fig. 6 is a comparative example, and the sliding door is 41.42°4.
3 is three, the protrusion 25 of the rail 5...
... has been increased to 3, and 4 rails and 2 sliding doors 4
The suspension guide 31 having guide grooves 47 and 48 for guiding the rollers 44 and 45 that suspend L 42 is similar to the above-mentioned example, but the roller 46 that suspends the other sliding door 43 rolls. The guide groove 49 is formed on the side wall of the rail base 30, and as shown in FIG. 46 can be fitted into the guide groove 49, and separately, the sliding door 41, 42 can be fitted into the groove 47 of the guide body 31,
If the rollers 44 and 45 are fitted into the opening end in the longitudinal direction of the slider 48, the fitting protrusion 33 is connected to the fitting groove 32, and the upper rail 4 is assembled and the sliding door 41 is assembled. , 42° 43 are movably attached.

Or, as in the comparative example in Fig. 1, three sliding doors 41,
Grooves 47, 48, 49 in which the respective rollers 44, 45, 46 of 42, 43 are rollingly guided are all formed in the suspension guide 31, and the three sliding doors 41, 4 are formed at once from the open end in the longitudinal direction.
After fitting 2.43, it is connected to the rail base 30.

Then, between the sliding doors 41 and 42, and further between the sliding doors 42 and 4.
3, if an interlocking mechanism as described above is provided, the opening/closing operation can be performed differentially.

In this way, the height and width dimensions of the cross section of the upper rail 4 are also very compact in the examples shown in FIGS. 6 and 7, and
It can be seen that the sliding doors 41, 42, 43 can be easily installed and removed.

As described in detail above, in the interlocking sliding door of the present invention, the rotors 13 and 14 are pivotally attached to the upper edge 10 of the inner sliding door 7 on the storage side near the left and right ends 1L12, and the rotors 13 and 14 are Child 13.14 An endless belt, rope,
A transmission member 16, such as a chain 16a, which can be freely extended or bent, is engaged, and a part of the transmission member 16 is fixed to a fixed part of the door pocket 1, etc., and the other part is attached to the upper edge 1 of the outer sliding door 8 on the doorway 9 side.
9, and the outer sliding door 8 moves a longer distance than the inner sliding door 7 to open and close in conjunction with each other. Therefore, the desired purpose is effectively achieved, a large entrance width is obtained, and the structure is also improved. It is simple, trouble-free and durable, can be opened and closed smoothly and easily, and the interlocking mechanism can be easily housed within the upper rail, so it is superior in terms of aesthetics and safety.

[Brief explanation of drawings]

Fig. 1 is an overall surface view showing one embodiment of the present invention, Figs. 2 and 3 are plan views showing the closed state and the partially opened/closed state, respectively, Fig. 4 is a detailed cross-sectional view, and Fig. 5 is the same sectional view for explaining the assembled state. FIGS. 6 and 7 are cross-sectional views of different comparative examples. 1...Door bag, 7...Inner sliding door, 8...Outer sliding door,
9... Doorway, 10... Upper edge, 11, 12...
Left and right ends, 13.14... Rotor, 16... Transmission member, 19... Upper edge.

Claims (1)

[Scope of Claims] 1. Comprising two inner and outer sliding doors 7 and 8 having a width approximately half the width of the entrance and exit 9, and a door pocket 1 that accommodates the inner and outer sliding doors 7 and 8 in an overlapping manner, the storage side The upper edge 10 of the sliding door 7 has its left and right ends 11.
Rotators 13 and 14 are rotatably pivoted near rotors 12, and a transmission member 16 such as a belt, rope, chain 16a, etc., which can be bent or curved, is engaged between the rotors 13 and 14 in an endless manner. A part of the transmission member 16 is fixed to a fixed part of the door pocket 1, etc., and the other part is fixed to the outer sliding door 8 on the entrance 9 side.
An interlocking sliding door characterized in that the interlocking sliding door is fixed to an upper edge 19 of the door and connected so that the inner and outer sliding doors 1 and 8 are opened and closed in an interlocking manner via the endless transmission member 16.