JPH08128255A - Support device for sliding door body - Google Patents

Abstract

PURPOSE: To facilitate the setting work of a door body, in a support device for sliding door body used in a double sliding door device, and dispense with the ensuring of large spaces above and under the door body. CONSTITUTION: A body 40, which is mounted on the inside of a door body, has a recessed part 41, and a support member 42 is set so that it can be fitted to and separated from to the body recessed part 14 only in the right-angled direction to a door body inside surface 2b. One-side ends of door body support arms 5a, 5b are supported by a trolley engaged with a guide rail, the other ends are supported by the support member 42, and a locking means 43 for dropping-out prevention locks the support member 42 fitted to the body recessed part 41.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supporting device for a sliding door used in a sliding door device used as an opening / closing door for a built-in storage unit or as an opening / closing door for various types of storage furniture.

[0002]

2. Description of the Related Art In a sliding door device of a type in which a slide door is covered on the outer side of a guide rail, guide rollers provided at both upper and lower ends of the slide door are directly engaged with the guide rail. Because I can't
It is necessary to connect the trolley engaged with the guide rail so that it can travel and the slide door body located outside the guide rail with the door body support arm.

In this type of conventional support device for a slide door body, it is common to screw the end of the door body support arm on the trolley side to a mounting plate attached to the inside surface of the slide door body. There was a drawback that it took time to set up. Also, a type was considered in which the end of the door support arm was engaged with a mounting plate attached to the inner surface of the slide door, but in this case, the slide door was turned downward from above the door support arm. Since it was necessary to operate it so that it would be hooked, an extra space had to be secured above the sliding door body, and the upper end of the sliding door body could not be brought close to the top plate or ceiling surface of furniture. There was a problem. The present invention aims to solve the above-mentioned conventional problems.

[0004]

The structural features of the present invention for attaining the above object are shown with reference numerals of the embodiments described later, and a main body (40), a supporting member (42) and , The retaining means (43) for retaining, the door body support arms (5a, 5b, 67), and the trolley (4A, 4A, 6B) movably engaged with the guide rails (3A, 3B, 6B).
4B, 14b), the main body (40) is attached to the inside of the door body, and the main body (40) is provided with a recess (41). , 2b) can be engaged and disengaged only in the direction perpendicular to the door body support arms (5a, 5b, 67).
One end is supported by the trolley (4A, 4B, 14b) and the other end is supported by the support member (42), and the retaining means (43) for retaining
Is characterized in that the support member (42) fitted in the main body recess (41) is prevented from coming off.

In carrying out the present invention, when the upper trolley (4A) is a door suspension type supporting device having a supporting horizontal axis wheel (23), the upper trolley (4A) and the door supporting arm are provided. Support member (42) connected via (5a, 5b)
Further, a vertical shaft body (29) whose position can be vertically adjusted by the height adjusting means (48) is provided, and the door body supporting arms (5a, 5b) can be attached to the vertical shaft body (29).

Further, the retaining means (43) for preventing slipping out is continuously provided from both the left and right sides of the support member (42), and the free end portion is the main body concave portion (41).
A pair of left and right elastic locking pieces (46) projecting outwardly from the outer side of the main body recessed part (41)
5) and a pair of left and right elastic locking pieces (46) are provided to prevent the retaining member (45) from coming off when the support member (42) is fitted into the recess (41) of the main body. A locking portion (47) that engages and prevents the support member (42) from coming off can be provided.

Further, in the case where the upper trolley (4A) is a door body suspension type supporting device having the supporting horizontal shaft wheel (23) as described above, the upper trolley (4A) has a door body supporting arm.
The supporting member (42) and the body recess (4
In (1), a vertical fitting portion (50) can be provided in which the main body (40) descends with respect to the support member (42) fitted in the main body recessed portion (41) and fits together.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the overall structure and operation of a sliding door device constructed by using the supporting 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 the pair of upper and lower linear second guide rails 3A and 3B that support and guide the second door body 2
It is supported for reciprocating movement. The second door body 2 is supported by a pair of upper and lower trolleys 4A and 4B engaging with the second guide rails 3A and 3B via door body support arms 5a and 5b, and overlaps the traveling path of the first door body 1 inside. Position P1 (Fig. 1
A)) and the outer position P of the first door body 1 with respect to the traveling route.
It is possible to move in parallel with the two.

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

The upper first guide rail 6A includes an outwardly opening grooved rail portion 7 located directly below the upper second guide rail 3A and a downwardly opening grooved rail portion 8 located directly below the upper rail. The upper second guide rail 3A includes
A pair of upper and lower groove-shaped rail portions 9a and 9b facing each other vertically
And a slit 10 that opens outward near the upper groove-shaped rail portion 9a and has a substantially C-shaped cross section. 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. Both of these guide rails 6B and 3B are integrally provided in a two-tier structure 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 body 1 includes a pair of upper and lower trolleys 14.
It 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 mounted on the inner side near both ends of the first door 1 in the traveling direction.
a and 15b have the same structure, and each of them is a supporting horizontal shaft wheel 1 which is loosely fitted in the groove-shaped rail portion 7 of the upper first guide rail 6A and rolls on the horizontal rail surface 7a which is the bottom thereof.
6 and a vertical shaft wheel 17 which is loosely fitted in the groove-shaped rail portion 8 of the upper first guide rail 6A and rolls. The lower trolley 14B is provided with two wheel units 18a, 1 mounted inside the first door body 1 near both ends in the traveling direction.
8b, each of the wheel units 18a and 18b has the same structure, and each of the vertical shaft wheels 19 is loosely fitted into the groove-shaped rail portion 11 of the lower first guide rail 6B and rolls.
It has.

Upper trolley 4A for supporting the second door body 2
Is composed of two wheel units 20a, 20b and a connecting member 21 for connecting and integrating both of them.
Each wheel unit 20a, 20b has a pair of upper and lower vertical shaft wheels 22a, 22b which are loosely fitted into the pair of upper and lower groove-shaped rail portions 9a, 9b of the upper second guide rail 3A and roll.
And a supporting horizontal shaft wheel 23 which is loosely fitted in the lower grooved rail portion 9b and rolls on the horizontal rail surface 9c which is the bottom surface thereof.
It has and. The lower trolley 4B is composed of two wheel units 24a, 24b and a connecting member 25 for connecting and integrating the two wheel units 24a, 24b, and each wheel unit 24a, 24b is a groove-shaped rail portion of the lower second guide rail 3B. It has a vertical shaft wheel 26 that fits loosely in 12 and rolls.

The door support arms 5a and 5b have the same length and are parallel to each other, and each of the upper and lower trolleys 4A,
4B, door body support arms 5a, 5b, which connect the upper trolley 4A and the upper end of the second door body 2, are vertical shafts vertically supported by the wheel units 20a, 20b of the upper trolley 4A. Body 27 and bearing units 28a, 31 mounted at the upper end of the second door body 2 at both ends in the traveling direction.
Both ends are supported by a vertical shaft 29 that is vertically supported by a. The vertical shaft 27 on the side of each wheel unit 20a, 20b has a lower end portion protruding downward from the wheel unit 20a, 20b and a wheel unit 20a, 2b.
The vertical shaft wheels 22a, 22b are supported by the upper side of 0b and the upper end portion projecting upward from the door body supporting arms 5a, 5b. The door body supporting arms 5a and 5b connecting the lower trolley 4B and the lower end portion of the second door body 2 include a vertical shaft body 30 vertically supported by each wheel unit 24a and 24b of the lower trolley 4B, and Both ends are supported by a vertical shaft 32 which is vertically supported by bearing units 28b and 31b mounted at both ends in the traveling direction at the lower end of the two-door body 2.
The vertical shaft body 30 on the side of each wheel unit 24a, 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 connected.
A tension coil spring 33 is interposed between the and.
This spring 33 positions the second door body 2 to the outside position (see FIG. 1B).
(The position indicated by P2 in FIG. 1) is returned to the inner position (the position indicated by P1 in FIG. 1A). Therefore, between each wheel unit 20a, 20b, 24a, 24b and the door body supporting arm 5a, 5b, or each door body supporting arm 5
a, 5b and bearing units 28a, 28b, 31a, 31
b, or between the trolleys 4A and 4B and the second door body 2 or the like, or a torsion spring may be used instead of the tension coil spring depending on the location. .

Vertical shaft rollers 34a, 34b and 35a, 35b are pivotally supported at the four inner corners of the second door body 2.
The upper two vertical shaft rollers 34a and 35a are the bearing units 28 that pivotally support the upper door body support arms 5a and 5b.
a, 31a and two lower vertical shaft rollers 34
b and 35b are pivotally supported by bearing units 28b and 31b that pivotally support the lower door body support arms 5a and 5b. Then, the second door body 2 is biased inward by the biasing force of the spring 33 so as to approach the second guide rails 3A and 3B, so that the upper two vertical shaft rollers 34a and 35a move toward the upper second guide. By contacting the surface 3a of the rail 3A and the two lower vertical shaft rollers 34b, 35b contacting the surface 6a of the lower first guide rail 6B, the second door body 2
Is held at the inner position P1 where the surface is flush with the first door body 1.

On the other hand, belt-shaped cover members 36a, 36b and 37a, 37b which are continuous over the entire length in the running direction are attached to the upper and lower ends of the first door body 1 and the second door body 2, respectively. These strip-shaped cover members 36a to 37b are provided to protect the upper and lower edges of the wooden door bodies 1 and 2 and to obtain a design effect. The two vertical shaft rollers 34a, 35a are pivotally supported at the same level as the upper strip-shaped cover members 36a, 37a, and the two lower vertical shaft rollers 34b, 35b are at the same level as the lower strip-shaped cover members 36b, 37b. It is pivotally supported.

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

In the sliding door device constructed as described above, as shown in FIGS. 1A, 2 and 3, the second door body 2 is used.
Is at the inner position P1 overlapping the traveling path of the first door body 1 and the opening of the storage space is closed by both door bodies 1 and 2, the surfaces of both door bodies 1 and 2 are flush with each other. It is continuous.
When the first door body 1 is opened toward the second door body 2 as shown in FIG. 1B from this closed state, the pair of upper and lower inclined guide portions 38a, 38b at the wedge-shaped end portion 1a of the first door body 1 is moved. ,
As shown in FIGS. 2 and 3, the second door body 2 is pushed out through the pair of upper and lower vertical shaft rollers 34a and 34b of the adjacent second door bodies 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 body 1 is opened to the end of the traveling path, it is closed by the first door body 1 out of the openings of the storage space which were closed by the two door bodies 1 and 2. Almost half the area that had been opened is opened. From the state concerned, the first door body 1
1A to the original position shown in FIG. 1A, the second door body 2 is closed by pulling the first door body 1 from the inside of the second door body 2 while manually stopping the movement of the second door body 2. You can do it.
When the first door body 1 escapes from the inside of the second door body 2, the urging force of the spring 33 causes the second door body 2 to move in parallel from the outer position P2 to the inner position P1, and the opening of the storage space is It is closed again by both door bodies 1 and 2 which are connected in a flush state.

When the side closed by the second door body 2 is opened, the second door body 2 is moved to the side where the first door body 1 is present. As shown in FIG. 3, the pair of upper and lower vertical shaft rollers 34a, 34b at the wedge-shaped end portion 2a of the second door body 2 ride on the pair of upper and lower inclined guide portions 38a, 38b at the wedge-shaped end portion 1a of the first door body 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 to the end of the traveling path that overlaps the outside of the first door body 1, by the second door body 2 among the openings of the storage space closed by both door bodies 1 and 2. About half the area that was closed is opened.

Next, the bearing units 28a, 28b, 31a, 31 of the second door body 2 in the sliding door device having the above construction.
Describing b with reference to FIGS. 5 to 8, each of these bearing units has a main body 40 buried in the inner four corners of the second door body 2 and a recess 41 of the main body 40 with respect to the inside surface 2b of the door body (FIG. 3 and FIG. 4), a supporting member 42 that can be fitted and disengaged only in a direction perpendicular to the direction perpendicular to the main body recessed portion 41, and a retaining means 4 for preventing the member from coming off.
3 and a vertical vertical shaft body 2 supported by the support member 42.
9, 32, each vertical shaft body 29, 32 is the second door body 2
The door support arms 5a and 5b are supported at one end projecting in the vertical direction from both upper and lower ends of the.

More specifically, the main body 40 is buried in the second door body 2 so that the mounting flange portion 40a abuts on the inside surface 2b of the door, and is fixed by the wood screw 44 at the mounting flange portion 40a. . The second door body 2
Bearing units 28a, 31a adjacent to the wedge-shaped end 2a of the
Is formed such that one side thereof is flush with the wedge-shaped end 2a. The retaining means 43 for retaining is shown in FIGS.
As shown in FIG. 5, the retaining locked portions 45 formed on both the left and right sides of the main body recess 41 and the left and right sides of the support member 42 are integrally connected to each other so that the free end portion extends outward from the main body recess 41. It is composed of a pair of left and right protruding elastic locking pieces 46, and both elastic locking pieces 46 are engaged with the retaining locked portion 45 when the support member 42 is fitted in the main body recess 41. A locking portion 47 is formed to prevent the support member 42 from coming off.

On the other hand, a bearing unit 28a for axially supporting the upper door body supporting arms 5a, 5b for suspending the second door body 2,
As shown in FIGS. 5A and 8, 31a is provided with height adjusting means 48 for adjusting the position of the vertical shaft 29 in the axial direction of the support member 42. That is, the vertical shaft 29 supported by the support member 42 of the bearing units 28a and 31a is supported by the angular shaft portion 29a so as to be movable up and down but not rotatable, and the lower end of the vertical shaft 29 is supported. Rotating female screw body 49 screwed into the screw shaft portion 29b
Are configured to receive the support member 42.

By rotating the female screw body 49 in the forward direction so as to move upward with respect to the vertical shaft body 29, the bearing units 28a and 31a, that is, the second door body 2 is lifted with respect to the vertical shaft body 29. On the contrary, by rotating the female screw body 49 in the reverse direction so as to descend with respect to the vertical shaft body 29, the bearing units 28a and 31 are attached to the vertical shaft body 29.
a, that is, the second door body 2 descends by gravity. Therefore, by operating the height adjusting means 48 of the both bearing units 28a and 31a as described above, the second door body 2 is moved up and down in parallel to adjust the level and to adjust the inclination in the traveling direction. You can

The lower door body supporting arm 5a shown in FIG. 5B,
The vertical shaft bodies 32 of the bearing units 28b and 31b that pivotally support 5b may be completely fixed to the support member 42 or may be rotatably supported. In addition, FIG. 5A, FIG.
And, as shown in FIG. 8, the upper bearing unit 28 for suspending the second door body 2 via the door body supporting arms 5a and 5b.
The main body recess 41 of the a and 31a and the support member 42 are vertically fitted with the main body 40 (the second door body 2) being fitted to the support member 42 fitted in the main body recess 41 so as to fit each other.
Is provided. Lower bearing unit 2 shown in FIG. 5B
8b, 31b, the main body recess 41 and the support member 42, the support member 42 fitted in the main body recess 41 descends with respect to the main body 40 (second door body 2) and fits in the vertical direction 51 is provided. These fitting portions 50 and 51 are formed by a recess on the main body recess 41 side and a protrusion on the support member 42 side.

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

The main body 40 of each bearing unit 28a, 28b, 31a, 31b is attached to the inner four corners of the second door body 2. The second door body 2 is provided with a support member 4 at the end of the door body support arms 5a and 5b from which the main body 40 of the upper bearing units 28a and 31a projects from the upper trolley 4A.
2, so that the support member 42 is fitted into the main body recess 41. At this time, the pair of left and right elastic locking pieces 46 of the supporting member 42 once elastically deforms inward when the locking portion 47 crosses over the pair of left and right locked portions 45 on the main body recess 41 side. After elastically returning, the locking portion 47 is engaged with the retaining locked portion 45, and the support member 42 is locked in the main body recess 41. At the same time, the second door body 2
The bearing units 28a, 31
The main body 40 is lowered with respect to the support member 42 of a, and the vertical fitting portions 50 between them are fitted to each other.

If the second door body 2 is hung on the upper trolley 4A via the door body supporting arms 5a and 5b and the bearing units 28a and 31a as described above, then the second door body 2 is suspended. Main body 40 of the lower bearing unit 28b, 31b
And the support member 42 at the end of the door support arms 5a and 5b protruding from the lower trolley 4B are adjacent to each other, and the support member 42 is placed in the main body recess 4 of the bearing units 28b and 31b.
1 is fitted in the inside in the same manner as described above, and is locked by the locking means 43 for retaining. The lower bearing unit 28
In b and 31b, the support member 42, together with the door body support arms 5a and 5b and the trolley 4B, is slightly lowered with respect to the main body 40 (second door body 2), so that both bearing units 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 body 2, in the lower bearing units 28b and 31b, the end portions of the pair of left and right elastic locking pieces 46 projecting from the main body recess 41 are sandwiched by fingertips. , The locking portion 47 is disengaged from the retaining locked portion 45 on the main body concave portion 41 side, and the support member 42 is slightly lifted so that the vertical fitting portions 51 between the main body concave portion 41 and the support member 42 are mutually connected. The support member 42 and the second door body 2 are separated from each other in this state,
From the inside of the main body recess 41 to the support member 42,
It is disengaged relatively inward at a right angle 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 recess 41 side as described above, and the second door body 2 Is slightly lifted to separate the vertical fitting portion 50 between the main body recess 41 and the support member 42 from each other, and in such a state, the support member 42 and the second door body 2 are separated from each other, so that the support member 42 is main body. It suffices to relatively disengage from the inside of the recess 41 toward the inside 2 at a right angle to the inner surface 2b of the door.

Next, the structure for supporting the first door body 1 will be described. As shown in FIGS. 2 and 4, a pair of wheel units 15a, 15a, which constitutes an upper trolley 14A for supporting the upper end side of the first door body 1, As shown in FIG. 9, 15b includes a substrate 53 fixed to the inner surface 1b (see FIGS. 3 and 4) of the first door body 1 by a wood screw 52, and a long hole 54 vertically long in the substrate 53. The bearing plate 56 has a height adjustable by a fixing screw 55, and a height adjusting means 57 for the bearing plate 56.
6 and a vertical shaft wheel 17 are pivotally supported.

As shown in FIGS. 4 and 9, the height adjusting means 57 includes an adjusting screw 57 which vertically penetrates through a bent plate portion 56a formed on the lower side of the bearing plate 56, and a lower side of the base plate 53. A notch 58 with which the small diameter neck portion 57a of the adjusting screw 57 is rotatably engaged with the adjusting screw supporting plate portion 53a.
Are formed. Therefore, with the fixing screw 55 loosened, the adjusting screw 57 is rotated in the forward and reverse directions to adjust the height of the bearing plate 56, and after adjustment, the fixing screw 55 fixes the bearing plate 56 to the substrate 53.
The first door body 1 is moved up and down in parallel by adjusting the height adjusting means 57 of each of the pair of wheel units 15a and 15b to adjust the level, or in the traveling direction. The tilt can be adjusted.

The vertical shaft wheel 17 has a bearing plate 56.
Since it cannot be fitted into the downward grooved rail portion 8 of the upper first guide rail 6A if it is directly rotatably supported on the movable plate 6 which is rotatably supported on the bearing plate 56 by the front-rear horizontal support shaft 59.
There is also provided a locking means 61 for supporting the movable body 60 in a state of being pivotally supported at 0 and the shaft center of the vertical shaft wheel 17 being vertically oriented on the upper side of the support shaft 59. Therefore, since the space between the horizontal shaft wheel 16 and the vertical shaft wheel 17 is widened by laying down the movable body 60 sideways, the horizontal shaft wheel 16 is set in such a state so that the outward grooved rail portion 7 of the upper first guide rail 6A. Then, the movable body 60 is rotated by 90 degrees, and the vertical shaft wheel 1 located below the downward grooved rail portion 8 is engaged.
7 can be fitted into the downward grooved rail portion 8. The locking means 61 is a laterally projecting portion 60 a of the movable body 60.
Of the vertical shaft wheel 17 by rotating the movable body 60. The projection 62 is provided on the back side of the bearing plate 56 and the projection fitting recess 63 is formed on the side of the bearing plate 56.
The projection 62 fits into the projection fitting recess 63 to lock the movable body 60 when it is vertically oriented on the upper side of the. The movable body 60 is fixed to the bearing plate 56 with a screw. Is also good.

The pair of wheel units 18a and 18b forming the lower trolley 14B for supporting the lower end side of the first door body 1 as shown in FIGS. 3 and 4 are shown in FIG. The bearing unit 28 attached to the second door body 2 as a supporting means on the lower end side of the second door body 2 shown.
Since the bearing unit 65 is basically the same as that of the bearing units b and 31b, the bearing unit 65 has the same reference numerals as those of the bearing units 28b and 31b, and the description thereof will be omitted. However, the vertical shaft body 66 supported by the support member 42 of the bearing unit 65 is
It is completely fixed to 2 and cannot rotate.

Therefore, the main body 40 of the bearing unit 65 is attached to the inner lower end of the first door body 1 by the wood screw 44, and is fitted into the main body recess 41 of the bearing unit 65 and locking means for retaining. The vertical shaft body 66 supported by the support member 42 locked by the 43 is the bearing unit 6
5 is projected downward, and the door body support arm 6 is provided at the protruding end.
One end of 7 is fixed, and a vertical shaft wheel 19 is pivotally supported above the other end of the door body support arm 67.

Therefore, when the first door body 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 detached from the main body 40, and the procedure described above is performed. 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 to suspend the first door body 1 on the upper first guide rail 6A. In such a state, the vertical shaft wheels 19 of the pair of wheel units 18a and 18b of the lower trolley 14B are fitted into the groove-shaped rail portions 11 of the lower first guide rail 6B, and the vertical shaft wheels 19 support the door body. Support member 42 of bearing unit 65 connected through arm 67
The main body 4 attached to a predetermined position at the inner lower end of the first door body 1 in the same manner as when setting the second door body 2.
It suffices to fit and lock the recess 41 of 0.

In the above embodiment, five types of bearing units 28a, 28b, 31a, 31b, 65 are used, but the wedge-shaped end 2a of the second door body 2 to the bearing unit 2 is used.
If 8a and 28b can be mounted separately, as shown in FIG. 11, shaft holes 68a and 68b for pivotally supporting the vertical shaft rollers 34a to 35b are formed on both the left and right sides of the recess 41 into which the support member 42 fits. Using one kind of left-right symmetrical main body 40 provided, only the supporting member 42, the supporting member 42 having the vertical shaft body 29 whose height is adjusted by the height adjusting means 48, and the door body supporting arms 5a and 5b. A support member 42 provided with a vertical shaft body 32 that is capable of rotatably supporting one end of the
Then, the cost can be reduced by properly using the three types of the support member 42 having the vertical shaft body 66 fixed to the door body support arm 67 at one end and being non-rotatably fixed.

Incidentally, in FIG. 11, 69a and 69b
Is a screw hole for a fixing screw that fixes 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. Numeral 72 is a protrusion provided on the support member 42 for forming, and numeral 72 is a dent provided on the main body concave portion 41 for forming the other of the vertical fitting portions 50, 51.

In the above embodiment, the device of the present invention is used for supporting the sliding door body in the special flat type sliding door device, but it is also used for supporting the inner and outer sliding doors of the general sliding door device. You can also do it. In this case, a door body support arm that does not horizontally swing and is fixed and protrudes from the support member 42 fitted and locked in the recess 41 of the main body 40 attached to the door body side to the guide rail side (in the above embodiment, Door body support arm 67 for supporting the lower end side of the first door body 1
Or the wheel units 20a, 20b and 24a, 24b of the upper and lower trolleys 4A, 4B are attached to the tip end of the trolley 4A or 4B, or a vertical axis wheel or a horizontal axis wheel for support is directly attached to the tip end of the door body supporting arm. Just do it. When the horizontally swingable door body support arms 5a and 5b for supporting the first door body 2 of the above-described embodiment are unnecessary and the height adjusting means 48 is not necessary, the door body support arm is directly attached to the support member 42. The vertical shaft may be omitted by fixing one end of the.

[0039]

According to the sliding door body supporting device of the present invention, only the main body (40) is attached to the inside of the door body, and the supporting member (fittable / separable with respect to the main body (40) is detachable. 42)
Can be attached to the inside of the door by pre-installing it on the end of the door support arm (5a, 5b, 67) protruding from the trolley (4A, 4B, 14B). The trolley (4A, 4B, 14) that engages the door body with the guide rails (3A, 3B, 6B) by simply fitting it into the recess (41) of the main body (40)
B) can be supported via the door body supporting arms (5a, 5b, 67).

As described above, the setting operation of the door can be performed very easily and easily. Particularly, according to the configuration of the present invention, the concave portion (41) of the main body (40) attached to the inside of the door and the supporting member. (42) means that the door can be inserted and removed only in the direction perpendicular to the inside surface (1b, 2b) of the door.
It suffices if the door body can be moved in the horizontal front-rear direction, and a space for vertically moving the door body is not necessary above and below the door body. Therefore, when incorporating the sliding door body into furniture or the like, it is possible to bring the top plate or ceiling surface of the furniture close to the upper end of the door body and the bottom plate or floor surface of the furniture close to the lower end of the door body. .

According to the second aspect of the present invention, in the case where the upper trolley (4A) is a door suspension type supporting device provided with the supporting horizontal axis wheel (23), the door supporting arm is provided.
The height adjustment means (48) enables adjustment of the height of the door body suspended by (5a, 5b) and the inclination in the traveling direction, and the door body can be set accurately. Further, according to the configuration of claim 3, the support member (42) fitted in the main body recess (41) can be automatically locked, and
Even when the door is removed, the pair of left and right elastic locking pieces (46) protruding from the main body recess (41) are sandwiched between the fingertips to support the support member.
It suffices to pull out the (42) from the recessed portion (41) of the main body, so that the work of attaching and detaching the door can be performed more easily and efficiently.

Further, according to the structure of claim 4,
Vertical fitting part provided in the main body recess (41) and the support member (42)
With (50), lift the door once and lift it up and down (5
The support members (42) should be
Since it cannot be pulled out from (41), even if the retaining locking means (43) is damaged, the door will not come off immediately and it is safe. Further, even when the door body is removed, the door body does not fall down to the front simply by releasing the engagement between the support member (42) and the main body recess (41), and the work can be safely performed.

[Brief description of drawings]

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

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

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

FIG. 4 is a vertical cross-sectional side view with the first door body opened.

FIG. 5 is an elevation view of a pair of upper left and right bearing units of the second door body seen from the inside, and FIG. 5 is a view of the pair of lower left and right bearing units of the second door body seen 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 from each other.

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

FIG. 8 is a vertical side view of FIG. 7 (the vertical position is different between the upper half part and the lower half part).

FIG. 9 is an elevation view of the upper side support means of the first door body as viewed from the inside.

FIG. 10 is an elevation view of the lower side support means of the first door body as 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]

 1 1st door body 2 2nd door body 3A Upper 2nd guide rail 3B Lower 2nd guide rail 4A 2nd door upper trolley 4B 2nd door lower trolley 5a Door body support arm 5b Door body support arm 6A Upper guide rail of the first door body 6B Lower guide rail of the first door body 14A Upper trolley of the first door body 14B Lower trolley of the 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 Shaft Part 29b Spiral Shaft Part 30 Vertical Axis Body 31a Bearing Unit 31b Bearing Unit 32 vertical shaft body 33 tension coil spring 40 main body of bearing unit 41 main body recess 42 shaft Unit support member 43 Locking means for retaining 45 Secured portion for retaining 46 Elastic locking piece 47 Locking portion 48 Height adjusting means 49 Rotating female screw body 50 Vertical fitting portion 51 Vertical fitting portion 53 Substrate of wheel unit 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 (4)

[Claims] 1. A main body (40), a support member (42), a retaining means (43) for retaining, a door support arm (5a, 5b, 67), and a guide rail (3A, 3B, 6B). ) Rotatably engaged to the trolley (4A, 4A
B, 14b) and the main body (40) is to be installed inside the door, and the recess (4
1), the support member (42) is provided on the inside surface of the door (1b, 2
The door support arm (5a, 5b, 67) can be inserted and removed only in the direction perpendicular to b), and one end of the door support arm (5a, 5b, 67) is
4b) and the other end is also supported by the support member (42), and the retaining locking means (43) is a door body for retaining the support member (42) fitted in the main body recess (41). Support device. 2. The upper trolley (4A) is a supporting horizontal shaft wheel.
(23) A support device of a door suspension type having (23), wherein the support member (42) connected to the upper trolley (4A) via the door support arms (5a, 5b) is a height adjusting means. The door body according to claim 1, further comprising a vertical shaft body (29) whose position can be vertically adjusted by the (48), and the door body support arms (5a, 5b) are attached to the vertical shaft body (29). Support device. 3. A retaining member (42) for retaining locking means (43).
A pair of left and right elastic locking pieces (46) connected to the left and right sides of the main body and having free ends protruding outward from the main body recess (41).
1) Left and right locking retaining parts (45) formed on both sides.A pair of left and right elastic locking pieces (46) fit the support member (42) into the main body recess (41). Locked part to prevent slipping off
Locking part (47) that engages with (45) and prevents the support member (42) from coming off
The support device for a door body according to claim 1 or 2, further comprising: 4. The upper trolley (4A) is a supporting horizontal shaft wheel.
A support device of a door hanging type comprising (23), wherein a support member (42) and a main body recess (41) connected to the upper trolley (4A) via door support arms (5a, 5b). And in the body recess
The supporting member (42) fitted to the (41) is provided with an up-down fitting part (50) for fitting the main body (40) downward to fit each other. Door support device.