JP3233386B2 - Sliding door support device - 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 support device used for a sliding door device used as an opening / closing door of a built-in storage section or an opening / closing door of various storage furniture.

[0002]

2. Description of the Related Art In a sliding door device of the type in which a sliding door body covers the outside of a guide rail, guide rollers provided at upper and lower ends of the sliding door body are directly engaged with the guide rail. Can not do
It is necessary to connect a trolley movably engaged with the guide rail and a slide door body located outside the guide rail by a door body support arm.

[0003] In this type of conventional sliding door supporting apparatus, the end of the trolley side door supporting arm is generally screwed to a mounting plate mounted on the inner surface of the sliding door. There was a drawback that the setting was troublesome. In addition, a type in which the end of the door support arm is engaged with a mounting plate mounted on the inner surface of the slide door body was considered, but in this case, the slide door body is directed downward from above with respect to the door support arm. Because it was necessary to operate it as a hook, extra space must be secured above the sliding door body, and the upper end of the sliding door body cannot be close to the top plate or ceiling of furniture. There was a problem. An object of the present invention is to solve the conventional problems as described above.

[0004]

The constitutional features of the present invention for achieving the above object are indicated by reference numerals in the embodiments described later, and include a main body (40), a support member (42), and the like. Trolleys (4A, 3A, 3B, 6B) that movably engage with the guide rails (3A, 3B, 6B).
4B, 14b), the main body (40) is attached to the inside of the door body, has a concave portion (41), and the support member (42) is located on the inner side of the door body (1b) with respect to the main body concave portion (41). , 2b) can be fitted and disengaged only in the direction perpendicular to the door body support arm (5a, 5b, 67).
One end is supported by the trolley (4A, 4B, 14b) and the other end is supported by the support member (42).
Is characterized in that the support member (42) fitted in the main body concave portion (41) is prevented from coming off.

In carrying out the present invention, the upper toro
Lie (4A) with horizontal support wheels (23)
If it is a type of support device, the upper trolley (4A) has a door
A support member (42) connected via support arms (5a, 5b);
The main body recess (41) includes a support member fitted into the main body recess (41).
The vertical direction in which the body (40) descends with respect to (42) and fits together
A fitting part (50) can be provided.

[0006]

[0007]

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the overall structure and operation of a sliding door device constructed using the support device of the present invention will be described with reference to FIGS. 1 to 4. In FIG. A first guide rail (not shown) parallel to a pair of upper and lower linear second guide rails 3A and 3B for supporting and guiding the second door body 2
Is reciprocally supported. The second door body 2 is supported by a pair of upper and lower trolleys 4A, 4B engaging with the second guide rails 3A, 3B via door body support arms 5a, 5b, and overlaps with the traveling path of the first door body 1. Position P1 (FIG. 1
A), and the outer position P of the first door body 1 with respect to the traveling route.
2 can be translated.

More specifically, referring to FIGS. 2 to 4, a first guide rail for supporting and guiding the first door 1 is a pair of upper and lower first guide rails 6A and 6B. The first and second upper and lower guide rails 6A, 3A are integrated in two stages, such that the second guide rail 3A is on the upper side, and the first and second lower and upper guide rails 6B, 6B, 3B are integrally connected in two upper and lower stages such that the first guide rail 6B is on the upper side.

The upper first guide rail 6A includes an outwardly-opening groove-shaped rail portion 7 located immediately below the upper second guide rail 3A, and a downwardly-opening groove-shaped rail portion 8 located immediately below the upper second guide rail 3A. The upper second guide rail 3A includes
A pair of upper and lower grooved rail portions 9a and 9b vertically opposed to each other.
And a slit 10 opening outwardly near the upper grooved rail portion 9a. The lower first guide rail 6B includes a groove-shaped rail portion 11 that opens downward, and the lower second guide rail 3B includes a groove-shaped rail portion 12 that opens upward. These two guide rails 6B and 3B are integrally connected in two steps in the upper and lower stages so as to form an outward slit 13 in the middle thereof.
One guide rail having a substantially C-shaped cross section is formed.

The first door 1 includes a pair of upper and lower trolleys 14.
A is supported by the first guide rails 6A and 6B via A and 14B. The upper trolley 14A is composed of two wheel units 15a and 15b attached inside the vicinity of both ends of the first door body 1 in the traveling direction.
Reference numerals a and 15b have the same structure. Each of the supporting horizontal shaft wheels 1 loosely fits into the grooved rail portion 7 of the upper first guide rail 6A and rolls on the horizontal rail surface 7a as the bottom surface.
6 and a vertical shaft wheel 17 that is loosely fitted and rolls in the grooved rail portion 8 of the upper first guide rail 6A. The lower trolley 14B includes two wheel units 18a, 1 mounted inside the vicinity of both ends of the first door body 1 in the traveling direction.
8b, and each wheel unit 18a, 18b has the same structure, and each of the vertical shaft wheels 19 which are loosely fitted and rolled on the grooved rail portion 11 of the lower first guide rail 6B.
It has.

An upper trolley 4A for supporting the second door 2
Is composed of two wheel units 20a and 20b and a connecting member 21 for connecting and integrating the two wheel units with each other,
Each wheel unit 20a, 20b is a pair of upper and lower vertical shaft wheels 22a, 22b which are loosely fitted and rolled on a pair of upper and lower grooved rail portions 9a, 9b of the upper second guide rail 3A.
And a supporting horizontal shaft wheel 23 which is loosely fitted to the lower grooved rail portion 9b and rolls on the horizontal rail surface 9c which is a bottom surface thereof.
And The lower trolley 4B is composed of two wheel units 24a and 24b and a connecting member 25 for connecting and integrating the two wheel units 24a and 24b, and each wheel unit 24a and 24b is a groove-shaped rail portion of the lower second guide rail 3B. 12 is provided with a vertical axis wheel 26 which is loosely fitted and rolls.

The door support arms 5a and 5b are of the same length and are parallel to each other, and each of the upper and lower trolleys 4A and 5A
The door support arms 5a and 5b, which are provided for each of the upper trolleys 4A and connect the upper trolley 4A and the upper end of the second door 2, are vertically supported by the wheel units 20a and 20b of the upper trolley 4A. Body 27 and bearing units 28a, 31 attached to both ends in the running direction at the upper end of second door body 2.
Both ends are supported by a vertical shaft 29 which is supported vertically by a. The vertical shaft 27 on each wheel unit 20a, 20b side has a lower end protruding downward from the wheel unit 20a, 20b, and a lower end of the wheel unit 20a, 20b.
The vertical shaft wheels 22a and 22b are supported by upper ends of the upper side of the door support arms 5a and 5b above the door support arms 5a and 5b. The door support arms 5a and 5b for connecting the lower trolley 4B and the lower end of the second door 2 include a vertical shaft 30 vertically supported by the wheel units 24a and 24b of the lower trolley 4B, At the lower end of the two-door body 2, both ends are supported by a vertical shaft body 32 vertically supported by bearing units 28b and 31b attached to both ends in the traveling direction.
The vertical shaft 30 on each of the wheel units 24a and 24b also serves as a support shaft of the vertical shaft wheel 26.

As shown in FIG. 2, in this embodiment, the connecting member 21 of the upper trolley 4A and the door support arm 5a on one side are provided.
And a tension coil spring 33 is interposed therebetween.
The spring 33 moves the second door body 2 to the outside position (FIG. 1B).
(The position indicated by P2 in FIG. 1A) to return to the inner position (the position indicated by P1 in FIG. 1A). Therefore, between each wheel unit 20a, 20b, 24a, 24b and the door support arm 5a, 5b, or each door support arm 5,
a, 5b and bearing units 28a, 28b, 31a, 31
b, or between the trolleys 4A and 4B and the second door 2, etc., and depending on the place of installation, a torsion spring can be used instead of a tension coil spring. .

At the four inner corners of the second door 2, vertical shaft rollers 34a, 34b and 35a, 35b are pivotally supported.
The upper two vertical shaft rollers 34a, 35a are connected to the bearing unit 28 that supports the upper door support arms 5a, 5b.
a, the lower two vertical shaft rollers 34
b, 35b are pivotally supported by bearing units 28b, 31b that pivotally support the lower door body support arms 5a, 5b. When the second door body 2 is urged inward by the urging force of the spring 33 to approach the second guide rails 3A and 3B, the upper two vertical axis rollers 34a and 35a are moved upward by the upper second guide. By contacting the surface 3a of the rail 3A and the lower two vertical shaft rollers 34b, 35b contacting the surface 6a of the lower first guide rail 6B, the second door 2
At the inside position P1 where the surface is flush with the first door body 1.

On the other hand, strip-shaped cover members 36a, 36b and 37a, 37b are mounted on the upper and lower ends of the first door body 1 and the second door body 2 over their entire length in the traveling direction. These band-shaped cover members 36a to 37b are for protecting the upper and lower ends of the wooden doors 1 and 2 and for obtaining a design effect. The two vertical axis rollers 34a, 35a are pivotally supported at the same level as the upper band-shaped cover members 36a, 37a, and the two lower vertical axis rollers 34b, 35b are at the same level as the lower band-shaped cover members 36b, 37b. It is pivoted.

Further, as shown in FIGS. 1A, 2 and 3, an inner position P at which the second door 2 overlaps the traveling path of the first door 1.
1, when the opening of the storage space is closed by the two doors 1 and 2, the end 1a of the first door 1 adjacent to the end of the second door 2 is oblique in cross-sectional shape. An end 2a of the second door body 2 adjacent to the wedge-shaped end 1a is formed in a wedge shape having an obliquely inwardly inclined surface in a cross-sectional shape. The parts 1a and 2a are configured to overlap each other with a small gap therebetween. And the band-shaped cover members 36a to 37 of the doors 1 and 2
The end of b is also bent along the wedge-shaped ends 1a and 2a,
Due to the ends of the upper and lower band-shaped cover members 36a, 36b overlapping the wedge-shaped end 1a of the first door 1, the inclined guide portions 38a, 3
8b are formed.

In the sliding door device constructed as described above, as shown in FIGS. 1A, 2 and 3,
Is located at the inner position P1 overlapping the traveling route of the first door body 1, and in a state where the opening of the storage space is closed by the two door bodies 1 and 2, the surfaces of the two door bodies 1 and 2 are flush. It is continuous.
When the first door 1 is opened toward the second door 2 as shown in FIG. 1B from the closed state, a pair of upper and lower inclined guide portions 38a, 38b at the wedge-shaped end 1a of the first door 1 is formed. ,
As shown in FIGS. 2 and 3, the second door 2 is pushed outward through a pair of upper and lower vertical shaft rollers 34 a and 34 b of the adjacent second door 2. Therefore, as shown in FIG. 1B, the second door body 2 supported by the door body support arms 5a and 5b moves in parallel to the outside of the traveling path of the first door body 1.

As shown in FIG. 1C, when the first door 1 is opened to the end of the traveling path, the first door 1 closes the opening of the storage space closed by the two doors 1 and 2. About half of the area that has been opened is opened. From this state, the first door 1
1A to the original position shown in FIG. 1A, the first door 1 is closed so as to be pulled out from the inside of the second door 2 while stopping the movement of the second door 2 integrally. You can do it.
When the first door body 1 escapes from the inside of the second door body 2, the second door body 2 is moved in parallel from the outer position P2 to the inner position P1 by the urging force of the spring 33, and the opening of the storage space is closed. The doors 1 and 2 are closed again by the two doors 1 and 2 arranged in a flush state.

When the side closed by the second door 2 is opened, the second door 2 is moved to the side where the first door 1 is located. In this case, FIGS. As shown in FIG. 3, a pair of upper and lower vertical shaft rollers 34a, 34b at the wedge-shaped end 2a of the second door 2 ride on a pair of upper and lower inclined guides 38a, 38b at the wedge-shaped end 1a of the first door 1. As a result, the second door body 2 opens while moving in parallel to the outside of the first door body 1. And the second door body 2
As shown in FIG. 1D, by opening and moving to the end of the travel path overlapping the outside of the first door body 1, the second door body 2 opens the storage space closed by the two door bodies 1 and 2. About half of the closed area is opened.

Next, the bearing units 28a, 28b, 31a, 31 of the second door body 2 in the sliding door device having the above-described structure.
The bearing unit b will be described with reference to FIGS. 5 to 8. In each of these bearing units, the door body side surface 2 b (see FIG. 3 and 4), and a retaining means 4 for retaining the supporting member 42 at a position where the supporting member 42 is fitted into the main body concave portion 41.
3 and a vertical vertical shaft 2 supported by the support member 42.
9 and 32, and each vertical shaft body 29 and 32 is
The door body support arms 5a and 5b are supported at one end protruding vertically from both upper and lower ends.

More specifically, the main body 40 is buried in the second door body 2 so that the mounting flange portion 40a abuts on the inner side surface 2b of the door, and is fixed to the mounting flange portion 40a by a wood screw 44. . The second door 2
Bearing units 28a, 31a adjacent to wedge-shaped end 2a of
Is formed such that one side is flush with the wedge-shaped end 2a. FIGS. 6 and 7
As shown in FIG. 5, the retaining portions 45 for retaining formed on both left and right sides of the main body concave portion 41 and the left and right sides of the support member 42 are integrally connected to each other so that the free end extends outward from the main body concave portion 41. A pair of left and right elastic locking pieces 46 protruding, and the two elastic locking pieces 46 are engaged with the retaining portions 45 for retaining when the support member 42 is fitted into the main body concave portion 41. A locking portion 47 for preventing the support member 42 from coming off is formed.

On the other hand, a bearing unit 28a, which supports the upper door support arms 5a, 5b for suspending the second door 2,
As shown in FIGS. 5A and 8, the height adjustment means 48 for adjusting the position of the vertical shaft body 29 with respect to the support member 42 in the axial direction thereof is provided on the 31a. That is, the vertical shaft 29 supported by the support members 42 of the bearing units 28a and 31a is supported by the square shaft portion 29a so as to be able to move only up and down with respect to the support member 42 and not to rotate. Rotating female screw body 49 screwed into screw shaft portion 29b
Are configured to receive the support member 42.

When the rotary female screw body 49 is normally rotated so as to rise with respect to the vertical shaft body 29, the bearing units 28a and 31a, that is, the second door body 2 are lifted with respect to the vertical shaft body 29. Conversely, the rotating female screw body 49 is reversely rotated so as to descend with respect to the vertical shaft body 29, so that the bearing units 28a and 31
a, that is, the second door body 2 descends by gravity. Therefore, by operating the height adjusting means 48 of the dual-bearing units 28a and 31a as described above, the second door body 2 is moved up and down in parallel to adjust the level or adjust the inclination in the traveling direction. Can be.

The lower door support arms 5a, 5b, shown in FIG.
The vertical shaft 32 of the bearing units 28b and 31b that support the shaft 5b may be completely fixed to the support member 42, or may be rotatably supported. 5A, FIG.
As shown in FIG. 8, the upper bearing unit 28 for suspending the second door body 2 via the door body support arms 5a and 5b.
The upper and lower fitting portions 50 in which the main body 40 (the second door body 2) descends and engages with the support member 42 fitted in the main body recess 41 between the main body concave portion 41 and the support member 42 of the main body recess 31a.
Is provided. Lower bearing unit 2 shown in FIG. 5B
A vertical fitting portion in which the support member 42 fitted in the main body recess 41 is lowered with respect to the main body 40 (second door body 2) and fitted to each other in the main body concave portion 41 and the support member 42 of the base members 8b and 31b. 51 are provided. These fitting portions 50 and 51 are configured by a depression on the main body concave portion 41 side and a projection on the support member 42 side.

A method of assembling the second door body 2 will be described. An upper second guide rail 3A on which an upper trolley 4A is set in advance is mounted at a predetermined position. One end of each of the arms 5a and 5b is supported by a vertical shaft 27, and the door support arm 5
a, 5b are connected to corresponding bearing units 28a, 3
The supporting member 42 removed from the main body 40 of FIG. 1a is supported via the vertical shaft 29. A trolley 4B is attached to the lower second guide rail 3B attached at a predetermined position.
Is engaged with the trolley 4B.
a and 5b are supported at one end by a vertical shaft 30. At the other end of the door support arms 5a and 5b, the supporting members 4 detached from the main body 40 of the corresponding bearing units 28b and 31b.
2 is supported via a vertical shaft 32.

At the inner four corners of the second door 2, the main bodies 40 of the bearing units 28a, 28b, 31a, 31b are mounted. The second door body 2 is connected to the support members 4 at the ends of the door body support arms 5a, 5b from which the main body 40 of the upper bearing units 28a, 31a protrudes from the upper trolley 4A.
2 so that the support member 42 is fitted into the main body concave portion 41. At this time, the pair of left and right elastic locking pieces 46 of the support member 42 are once elastically deformed inward when the locking portion 47 passes over the pair of left and right retaining locked portions 45 on the main body concave portion 41 side, After the elastic recovery, the locking portion 47 is engaged with the locking portion 45 for retaining, and the supporting member 42 is locked in the main body concave portion 41. At the same time, the second door 2
Is slightly lowered, the dual bearing units 28a, 31
The main body 40 is lowered with respect to the supporting member 42 of a, and the vertical fitting portions 50 between them are fitted to each other.

After the second door 2 is suspended from the upper trolley 4A via the door support arms 5a, 5b and the bearing units 28a, 31a as described above, the second door 2 Main body 40 of lower bearing unit 28b, 31b
And the supporting members 42 at the ends of the door body supporting arms 5a and 5b protruding from the lower trolley 4B are adjacent to each other, and the supporting members 42 are attached to the main body concave portions 4 of the bearing units 28b and 31b.
1 and is locked by the locking means 43 for retaining. The lower bearing unit 28
b, 31b, the support member 42 is slightly lowered with respect to the main body 40 (second door body 2) together with the door body support arms 5a, 5b and the trolley 4B, so that the dual bearing unit 2
The supporting members 42 of 8b and 31b are lowered with respect to the main body 40, and the vertical fitting portions 51 between them are fitted to each other.

When it becomes necessary to remove the second door 2, the ends of a pair of left and right elastic locking pieces 46 protruding from the main body concave portion 41 are pinched by the fingertips in the lower bearing units 28b and 31b. The locking portion 47 is disengaged from the retaining portion 45 for retaining on the side of the main body concave portion 41, and the supporting member 42 is slightly lifted so that the vertical fitting portion 51 between the main body concave portion 41 and the supporting member 42 can be separated from each other. In such a state, the support member 42 and the second door body 2 are separated from each other,
The support member 42 is moved from the inside of the main body concave portion 41 to the inside surface 2 of the door.
relative to b. Next, in the upper bearing units 28a and 31a, the locking portion 47 of the elastic locking piece 46 is disengaged from the retaining locked portion 45 on the main body concave portion 41 side as described above, and the second door 2 Is slightly lifted to separate the vertical fitting portions 50 between the main body concave portion 41 and the support member 42 from each other, and in this state, the support member 42 and the second door body 2 are separated from each other so that the support member 42 is separated from the main body. What is necessary is just to make it detach | leave from the inside of the recessed part 41 inward at right angles with respect to the door inner surface 2b.

Next, the support structure of the first door 1 will be described. As shown in FIGS. 2 and 4, a pair of wheel units 15a, 15a, which constitute an upper trolley 14A which supports the upper end of the first door 1, is provided. As shown in FIG. 9, a board 53 fixed to the inner surface 1 b of the first door body 1 (see FIGS. 3 and 4) by a wood screw 52, and a long hole 54 long in the vertical direction in the board 53. The bearing plate 56 includes a bearing plate 56 attached to the fixing screw 55 so that the height can be adjusted, and height adjusting means 57 for the bearing plate 56.
6 and a vertical shaft wheel 17 are supported.

As shown in FIGS. 4 and 9, the height adjusting means 57 includes an adjusting screw 57 vertically screwed through a bent plate portion 56 a formed on the lower side of the bearing plate 56, and a lower side of the substrate 53. And a notch 58 into which the small-diameter neck portion 57a of the adjusting screw 57 is rotatably engaged only with the adjusting screw supporting plate portion 53a.
Are formed. Therefore, the height of the bearing plate 56 is adjusted by rotating the adjusting screw 57 in the normal and reverse directions while the fixing screw 55 is loosened.
By operating the height adjusting means 57 of the pair of wheel units 15a and 15b, the first door body 1 is moved up and down in parallel to adjust the level, and The tilt can be adjusted.

The vertical shaft wheel 17 has a bearing plate 56
Cannot be fitted to the downward grooved rail portion 8 of the upper first guide rail 6A, the movable body 6 supported on the bearing plate 56 by the horizontal support shaft 59 in the front-rear direction.
A locking means 61 that supports the movable body 60 in a state where it is supported at 0 and the axis of the vertical shaft wheel 17 is vertically oriented above the support shaft 59 is provided. Therefore, when the movable body 60 is turned over, the space between the horizontal axis wheel 16 and the vertical axis wheel 17 is increased. In such a state, the horizontal axis wheel 16 is moved outwardly of the upper first guide rail 6A. After rotating the movable body 60 by 90 degrees, the vertical shaft wheel 1 located below the downward grooved rail portion 8 is rotated.
7 can be fitted to the downward grooved rail portion 8. The locking means 61 includes a laterally projecting portion 60a of the movable body 60.
And a projection fitting recess 63 formed on the side of the bearing plate 56. The movable body 60 is rotated to rotate the vertical shaft wheel 17 into the support shaft 59.
The projection 62 fits into the projection fitting recess 63 when the vertical direction is at the upper side, and locks the movable body 60. The movable body 60 is fixed to the bearing plate 56 with screws. Is also good.

As shown in FIGS. 3 and 4, a pair of wheel units 18a and 18b constituting the lower trolley 14B supporting the lower end of the first door body 1 are arranged as shown in FIG. A bearing unit 28 attached to the second door body 2 as a support means on the lower end side of the second door body 2 shown
Since the bearing units 65 and 31b are basically configured using the same bearing unit 65, the same reference numerals are given to parts corresponding to the bearing units 28b and 31b, and the description is omitted. However, the vertical shaft 66 supported by the support member 42 of the bearing unit 65 is
2 is completely fixed and cannot rotate.

The main body 40 of the bearing unit 65 is attached to the lower end of the inside of the first door body 1 by the wood screw 44, and is fitted into the main body concave portion 41 of the bearing unit 65 and the retaining means for retaining the main body 40. The vertical shaft 66 supported by the support member 42 locked by the
5 projecting downward from the door support arm 6
One end of the door 7 is fixed, and a vertical shaft wheel 19 is supported on the upper end of the other end of the door support arm 67.

Accordingly, when the first door 1 is supported by the pair of upper and lower first guide rails 6A and 6B, the support member 42 of the lower bearing unit 65 is removed from the main body 40, and the procedure described above is performed. And a pair of wheel units 15a, 15 in the upper trolley 14A of the first door body 1.
b is engaged with the upper first guide rail 6A, and the first door 1 is suspended from the upper first guide rail 6A. In such a state, the vertical axis wheel 19 of the pair of wheel units 18a and 18b of the lower trolley 14B is fitted to the groove-shaped rail portion 11 of the lower first guide rail 6B, and the vertical axis wheel 19 supports the door. Support member 42 of bearing unit 65 connected via arm 67
The main body 4 attached to a predetermined position at the lower end on the inner side of the first door 1 in the manner of setting the second door 2
What is necessary is just to fit and lock in the 0 concave part 41.

In the above embodiment, five types of bearing units 28a, 28b, 31a, 31b, 65 are used.
8a and 28b can be separated from each other, as shown in FIG. 11, shaft holes 68a and 68b for supporting the vertical shaft rollers 34a to 35b are provided on the left and right sides of the concave portion 41 in which the support member 42 is fitted. A supporting member 42 having a vertical shaft 29 whose height is adjusted by height adjusting means 48 using only one type of main body 40 having a left-right symmetrical shape, and door supporting arms 5a and 5b. A support member 42 having a vertical shaft body 32 which only needs to rotatably support one end of
In addition, the cost can be reduced by selectively using the three types of the support member 42 having the vertical shaft 66 fixedly and non-rotatably fixed to the door support arm 67 at one end.

In FIG. 11, 69a, 69b
Is a screw hole for a fixing screw for fixing the support shaft 70 of the vertical shaft rollers 34a to 35b fitted in the shaft hole 68a or 68b, and 71 is one of the vertical fitting portions 50 and 51. The protrusion 72 is provided on the support member 42 for forming, and the recess 72 is provided on the main body concave portion 41 for forming the other of the vertical fitting portions 50 and 51.

In the above embodiment, the apparatus of the present invention is used for supporting a sliding door body in a special flat sliding door apparatus, but is used for supporting each sliding door inside and outside of a general sliding door apparatus. You can also. In this case, a horizontally non-swinging door support arm fixedly protruding from the support member 42 fitted and locked to the concave portion 41 of the main body 40 attached to the door body to the guide rail side (in the above embodiment, Door support arm 67 that supports the lower end of first door 1
The wheel units 20a, 20b and 24a, 24b of the upper and lower trolleys 4A, 4B are attached to the tip of the upper and lower trolleys, or the vertical axis wheel and the supporting horizontal axis wheel are directly supported at the tip of the door support arm. Just do it. When the horizontally swingable door support arms 5a and 5b for supporting the first door 2 of the above embodiment are unnecessary and the height adjusting means 48 is unnecessary, the door support arm is directly attached to the support member 42. May be fixed, and the vertical shaft body may be omitted.

[0039]

According to the sliding door support apparatus of the present invention, only the main body (40) is mounted inside the door body, and the supporting member ( 42)
By attaching the support members (42) inside the door body by attaching them in advance to the ends of the door body support arms (5a, 5b, 67) protruding from the trolleys (4A, 4B, 14B). The trolley (4A, 4B, 14B) that engages the door with the guide rails (3A, 3B, 6B) simply by fitting it into the recess (41) of the main body (40)
B) can be supported via door support arms (5a, 5b, 67).

As described above, the setting operation of the door body can be performed very easily and easily. In particular, according to the structure of the present invention, the concave portion (41) of the main body (40) attached to the inside of the door body and the supporting member are provided. (42) means that it can be fitted and disengaged only in the direction perpendicular to the inner surface of the door (1b, 2b).
It suffices if the door can be moved in the horizontal front-rear direction, and there is no need for a space for vertically moving the door above and below the door. Therefore, when assembling the sliding door body into furniture or the like, the top plate or ceiling surface of the furniture can be approached to the upper end of the door body, and the bottom plate or floor surface of the furniture can be approached to the lower end of the door body. .

Further , according to the structure of the present invention, the main body concave portion (4
The support member (42) fitted to (1) can be automatically locked.
As well as when removing the door,
A pair of left and right elastic locking pieces (46) projecting from (41)
It is sufficient to pull out the support member (42) from the main body concave portion (41)
Easy and efficient installation and removal of the door
I can do it.

According to the configuration of the second aspect , the vertical fitting portion (50) provided in the main body concave portion (41) and the support member (42).
By this, unless the door body is once lifted and the vertical fitting portions (50) are separated from each other, the support member (42) is attached to the main body concave portion (41).
Therefore, even if the locking means (43) for retaining is broken, the door body does not come off immediately and is safe. Also, when the door is removed, the door can be safely operated without releasing the door from falling forward by simply releasing the lock between the support member (42) and the main body recess (41).

[Brief description of the drawings]

FIGS. 1A to 1C are schematic plan views showing a state of an opening operation of a first door body, and FIG. 1D is a schematic plan view showing a state of an opening operation of a second door body.

FIG. 2 is a cross-sectional plan view showing a support guide configuration on an upper side of each door body.

FIG. 3 is a cross-sectional plan view showing a support guide configuration on a lower side of each door body.

FIG. 4 is a longitudinal sectional side view in a state where a first door body is opened.

FIG. 5A is an elevational view of a pair of upper left and right bearing units of a second door body as viewed from the inside, and FIG. 5B is a bottom view of a pair of lower right and left bearing units of the second door body as viewed from the inside; FIG.

FIG. 6 is a cross-sectional bottom view in a state where the main body of the bearing unit and the support member are separated.

FIG. 7 is a cross-sectional bottom view in a state where a support member is fitted and locked to a main body of the bearing unit.

FIG. 8 is a vertical cross-sectional view of FIG. 7 (the vertical position is different between the upper half and the lower half).

FIG. 9 is an elevational view of the upper support means of the first door viewed from the inside.

FIG. 10 is an elevational view of the lower support means of the first door viewed from the inside.

FIG. 11 is an elevational view in a disassembled state for explaining a modified example of the bearing unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 First door body 2 Second door body 3A Upper second guide rail 3B Lower second guide rail 4A Upper trolley of second door body 4B Lower trolley of second door body 5a Door support arm 5b Door support arm 6A Upper guide rail of first door body 6B Lower guide rail of first door body 14A Upper trolley of first door body 14B Lower trolley of first door body 16 Horizontal axis wheel for support 17 Vertical axis wheel 19 Vertical axis wheel 22a vertical axis wheel 22b vertical axis wheel 23 supporting horizontal axis wheel 26 vertical axis wheel 27 vertical axis body 28a bearing unit 28b bearing unit 29 vertical axis body 29a angular axis section 29b screw axis section 30 vertical axis body 31a bearing unit 31b bearing unit 32 Vertical Shaft 33 Tension Coil Spring 40 Body of Bearing Unit 41 Body Recess 42 Shaft Unit support member 43 Locking means for retaining 45 Locked part for retaining 46 Elastic locking piece 47 Locking part 48 Height adjusting means 49 Rotating female screw body 50 Vertical fitting part 51 Vertical fitting part 53 Wheel unit substrate 56 Bearing plate 57 Height adjusting means 60 Movable body 61 Locking means 65 Bearing unit 66 Vertical shaft body 67 Door support arm

Claims (2)

(57) [Claims] 1. A body (40), a support member (42), a retaining means (43), a door support arm (5a, 5b, 67), and a guide rail (3A, 3B, 6B). ) (4A, 4A)
B, 14b), the main body (40) is attached to the inside of the door body, has a concave portion (41), and the support member (42) has a door inner side surface (1b) with respect to the main body concave portion (41). , 2b) can be fitted and disengaged only in the direction perpendicular to the door body support arm (5a, 5b, 67).
One end is supported by the trolley (4A, 4B, 14b) and the other end is supported by the support member (42).
Is a door supporting device for retaining the support member (42) fitted in the main body concave portion (41), and the retaining means (43) for retaining is provided on both left and right sides of the support member (42).
The free end protrudes outward from the main body recess (41)
A pair of left and right elastic locking pieces (46) and both left and right sides of the main body recess (41)
Left and right locking stoppers (45)
A pair of elastic locking pieces (46), the support member (42)
When it is fitted inside, it engages with the
A door support device having an engaging portion (47) for preventing the support member (42) from coming off . 2. An upper trolley (4A) is a supporting horizontal shaft wheel.
(23), which is a door suspension type support device, which is connected to the upper trolley (4A) via door support arms (5a, 5b).
The support member (42) and the main body concave portion (41)
The main body (40) descends with respect to the support member (42) fitted to (41).
3. The door supporting device according to claim 2, wherein a vertical fitting portion (50) that fits with each other is provided .