JP2007146545A - Sliding door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To stop the shake of a door body in a direction of door thickness in a sliding door device in which a travelling roller is mounted on the door body in an upward projecting manner and the travelling roller is movably hung to a travelling rail arranged above an opening part of a skeleton. <P>SOLUTION: A base member 19 is fixed to a first fixing member 5a of a first travelling roller unit 5 arranged on a front side of a first door body 2 in a manner of being freely adjustable in the obverse and reverse directions. An L-shaped plate 20 provided with a plate 20b oriented vertically is fixed to the base member 19. An arm member 21 is fixed to the plate 20b in a vertically adjustable manner. A swing stopping roller 22 is borne by a projecting front end part of a member 21d projecting toward a reverse side of the arm member 21. A shake stopping rail 23 is mounted, in a manner of being adjustable in obverse and reverse directions, on a supporting bracket 7 for supporting the rail arranged on a wall surface above the opening part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention belongs to the technical field of sliding door devices installed in buildings such as hospitals and welfare facilities.

  Generally, in this kind of sliding door device, a traveling roller protruding upward is provided on the door body, and the traveling body is movably suspended on a traveling rail disposed on the housing side above the opening so that the door body can be moved. Some are configured to open and close the opening while being guided by the running roller. In such a sliding door device, in the process of opening and closing the door body, swinging (swinging) in the door thickness direction (front and back direction) occurs with the suspending portion of the traveling roller on the traveling rail as a fulcrum, and smooth opening and closing operation May be damaged.

As an improvement measure, an anti-sway means is provided which is provided with an anti-slip roller on the top of the door surface on one side of the door body and an anti-skid rail on which the anti-slip roller is movably fitted on the housing ceiling. In the process of opening and closing the door body, the steady roller is moved in a state guided by the steady rail so that the door body is controlled to swing in the door thickness direction. Yes.
JP 2000-328833 A

  By the way, since the swing in the front and back direction of the door body occurs with the door body suspension portion as a fulcrum, the amplitude increases toward the lower side of the door body. For this reason, it can be set as the effective steadying of a door body by providing a steadying roller below the door body as much as possible. However, in the above-described conventional structure, the steadying rail into which the steadying roller is fitted is provided on the ceiling along the traveling rail, so that the base end of the roller arm provided with the steadying roller at the tip is the door body. It becomes the composition fixed to. In such a case, in the case where the base end portion of the roller arm is fixed below the door body in order to effectively prevent the door body from being steady, the entire length of the roller arm must be formed long. Then, it is assumed that the strength and durability of the roller arm are inferior, and in order to ensure these, there is a problem that not only the weight is increased but also the design property is inferior, and here the problem to be solved by the present invention There is.

The present invention was created in view of the above-described circumstances in order to solve these problems. The invention of claim 1 is provided with a traveling roller protruding upward on a door body, and the traveling roller Is movably suspended on a traveling rail disposed above the opening of the housing, and the door body is transformed into a fully closed posture in which the opening is closed and a door body in a fully open posture in which the opening is opened. In the sliding door device, there is provided a steadying means for movably fitting a steadying roller provided on the upper part of the door body via a roller arm to a steadying rail provided on the housing, and the suspension part of the door body is a fulcrum. In order to prevent the steadying of the door in the thickness direction, the position of the steadying roller is set between the suspension part of the door body on the running rail and the fixing part of the roller arm to the door body, and the door. While making it a position that is biased to one side in the thickness direction The steady rest rail, a configuration was sliding door device provided on a wall surface which is parallel to the opening above the door surface.
According to a second aspect of the present invention, the sliding door device is constituted by a plurality of door bodies, and a plurality of traveling rails in which traveling rollers provided for each door body are arranged in parallel in the door thickness direction on the wall surface above the opening of the housing. The door body is movably suspended, and the door body is adjacent to the width direction and the opening portion is closed, and the door body is stacked in the door thickness direction to open the opening portion. The swing-preventing roller is a sliding door device according to claim 1, wherein the steadying roller is provided in a door body located on the door end side in a fully closed posture.
According to a third aspect of the present invention, the door body is configured to be self-closed by a self-closing device provided at a door end side end portion of the wall surface parallel to the door surface, and the steadying roller is set to the fully closed posture of the door body. The sliding door device according to claim 1, wherein the steady rest rail is disposed from the self-closing device fixing portion toward the door-bottom side of the opening.
In the invention of claim 4, the roller arm is connected to the first member fixed to the upper end surface of the door body, and is connected to the first member, and extends upward along one surface in the door thickness direction of the door body. It is configured using a second member having a vertical extension portion and a third member having a horizontal extension portion projecting from the vertical extension portion toward the wall body. 4. The sliding door device according to claim 1, wherein the three members are incorporated in the door body so as to freely adjust a position in a door thickness direction and a vertical direction.
According to a fifth aspect of the present invention, the steadying rail includes a first rail member integrated with the wall body and a rail groove into which the steadying roller is fitted, and position adjustment in the door thickness direction with respect to the first rail member is possible. It is a sliding door apparatus as described in any one of Claims 1 thru | or 4 comprised using the free 2nd rail member.

By setting it as invention of Claim 1, a roller arm can be made compact, weight increase can be suppressed, and it is excellent also in durability and the designability.
By making it the invention of claim 2, it is possible to effectively absorb the vibration of the door body and achieve a quiet and stable opening and closing operation.
According to the third aspect of the present invention, even a door body configured to be self-closing can effectively absorb the swing of the door body in the process of opening and closing, and can achieve a quiet and stable opening and closing operation.
According to the fourth aspect of the present invention, the position of the steadying roller can be set with high accuracy, and a quiet and smooth opening / closing operation can be achieved.
According to the fifth aspect of the present invention, the position where the steadying rail is disposed can be set with high accuracy, and a quiet and smooth opening / closing operation can be achieved.

Next, embodiments of the present invention will be described with reference to the drawings.
In the drawings, 1 is a sliding door device provided at an entrance / exit to each room formed in a building, and the sliding door device 1 is a first door located on the door-end side in a closed posture for closing the opening. A body (door tip side door body) 2 and a second door body (door bottom side door body) 3 positioned on the door bottom side are provided. And these 1st, 2nd door bodies 2 and 3 are laminated | stacked on the door thickness direction along the panel body 4 distribute | arranged to the door bottom side part of the opening part, and are opened from the fully open attitude | position which open | releases an opening part. The second door bodies 2 and 3 are pulled out from the panel body 4 arrangement site, and change between the fully closed posture in which the opening is closed in parallel with the door end side and the door butt side of the opening. Thus, it is as usual that the configuration is such that the opening is opened and closed.

  Said 1st, 2nd door bodies 2, 3 and the panel body 4 are comprised by interposing core material 2b, 3b, 4b between a pair of front and back panel bodies 2a, 3a, 4a, respectively. Each has a predetermined thickness (door thickness) set in advance. Here, in the sliding door device 1 of the present embodiment, the first door body 2 is located on the most outdoor side, the second door body 3 is on the indoor side of the first door body 2, and the panel body 4 is further on the indoor side. These are arranged in a positional relationship where they are stacked in the door thickness direction (front and back direction). For convenience of explanation, the outdoor side direction of each of the door bodies 2 and 3 and the panel body 4 will be described as the surface direction.

Now, a pair of left and right (door end side and door bottom side) first and second traveling roller units 5 and 6 are integrally provided on the upper portions of the first and second door bodies 2 and 3, respectively. ing. The first and second traveling roller units 5 and 6 include first and second fixed pieces 5a and 6a fixed to upper end surfaces of the first and second door bodies 2 and 3, respectively. 1st and 2nd standing piece 5b, 6b which stands up from fixed piece 5a, 6a is comprised, and it protrudes from the upper end part of each standing piece 5b, 6b to the back surface side (indoor side). First and second travel rollers 5d and 6d are supported by the support shafts 5c and 6c, respectively, so as to be freely rotatable (rollable). Here, the first and second traveling rollers 5d and 6d are disposed in the direction directly above the first and second doors 2 and 3, respectively.
The first and second upright pieces 5b and 6b are formed to have different lengths in the vertical direction, and the upper edge of the second traveling roller 6d is disposed below the lower end of the first traveling roller 5d. Thus, the first and second traveling rollers 5d and 6d are configured not to overlap each other in the vertical direction.

On the other hand, a rail support bracket 7 having a mounting surface 7a in a positional relationship that is substantially flush with the surface of the panel body 4 is fixed to the housing wall body that extends from the upper part of the opening to the upper part of the panel body 4. A second traveling rail 8 for traveling the second traveling roller 6d is integrally provided at an intermediate portion in the vertical direction of the mounting surface 7a. Further, an auxiliary mounting surface 7b that protrudes to the outdoor side is integrally provided on the upper portion of the rail support bracket 7 and above the second traveling rail 8, and the first traveling roller 5d is provided here. A first traveling rail 9 for traveling is integrally provided, whereby the first and second traveling rails 9 and 8 are arranged in parallel in the front and back direction. Here, the first travel rail 9 is provided over substantially the entire length in the left-right direction of the rail support bracket 7, but the second travel rail 8 is moved from the position opposed to the second door body 3 in the fully closed position to the first position in the fully opened position. It is provided between the two-door body 3 facing position.
Then, the first and second door bodies 2 and 3 respectively lock the rotating surfaces of the pair of first and second traveling rollers 5d and 6d from above the first and second traveling rails 9 and 8, It is suspended so as to be stacked in the front and back direction, and is set to travel in the left-right direction while receiving movement guidance on the rails 9 and 8.

Furthermore, a belt coupling body 10 is provided on the upper end surface of the first door body 2 so as to be positioned between the left and right first traveling roller units 5. One end portions of long first and second belt bodies 11 and 12 for interlocking the second door bodies 2 and 3 are connected and fixed. And the free end part of the 1st belt body 11 is provided in the support bracket 7 for rails, after being hung around the door-end side pulley 13 provided in the state which protrudes in the door-end side of the 2nd door body 3. The first belt fixing tool 14 is fixed. The free end portion of the second belt body 12 is hung around a door-side pulley 15 provided on the door-side side of the second door body 3 and then the second belt provided on the rail support bracket 7. It is fixed to the fixture 14a. Here, in the fully closed posture of the sliding door device 1, the door-side pulley 13 of the second door body 3 is in a positional relationship that is located closer to the door-end side than the belt coupling body 10 provided in the first door body 2. The first and second belt fixtures 14, 14 a are respectively disposed in a positional relationship that is located closer to the door tip side than the door bottom pulley 15.
When the first door body 2 is opened, the belt coupling body 10 is displaced in the opening direction, so that the first belt body 11 acts to pull the door-end pulley 13 and the second door body 3 is moved. When the second door body 2 is closed and the belt connecting body 10 is displaced in the closing direction, the second belt body 12 acts to pull the door-side pulley 15. The second door body 3 is forcibly closed. At this time, the door end side and door bottom side pulleys 13 and 15 each function as a moving pulley, and the second door body 3 is the first door body 2 that is opened and closed at a predetermined speed. It is set to open and close at half the speed of the door body 2.
Reference numeral 2c denotes a handle provided on the door end side of the first door body 2, and is configured so that a light opening operation can be performed by holding the handle 2c.

Further, the sliding door device 1 is provided with a self-closing device 16 that automatically closes the first and second door bodies 2 and 3, and performs the opening operation by grasping the handle 2 c. The first and second door bodies 2 and 3 are automatically closed by releasing the handle 2c after the door bodies 2 and 3 are opened as necessary.
The self-closing device 16 is disposed at a door end side end portion of the rail support bracket 7 fixed to the wall body above the opening, and the self-closing device 16 is provided with a winding tool (not shown). The distal end portion of the wire 16a wound around the winding device is configured to extend from the casing 16b constituting the self-closing device 16 toward the right side (door bottom side). The extending end of the wire 16a is connected to the first upright piece side 5b of the first traveling roller unit 5 provided on the door end side of the first door body 2, and the opening operation of the first door body 2 is performed. Accordingly, the wire 16a is set so as to be pulled out from the casing 16b, and the winding device is set so as to store the stored energy in the direction of winding the wire 16a based on the drawing of the wire 16a. As a result, when the opening operation is canceled, the first door body 2 moves in the closing direction while being pulled by the wire 16a receiving the stored force of the winding tool, and accordingly, the first and second door bodies 2 are moved. 3 is set so that the closing operation of 3 is performed in conjunction.

Further, the sliding door device 1 of the present embodiment is provided with a stopper device 17 for maintaining the first and second door bodies 2 and 3 in the fully open posture when the first and second door bodies 2 and 3 are transformed into the fully open posture. The stopper device 17 is located on the upper edge door end side of the upright piece 5b of the traveling roller unit 5 provided on the door end side of the first door body 2, and is provided with a stop roller 17a provided in a state of protruding upward. And a roller receiver 17c that is fixed above the opening (above the rail support bracket 7) and has a mountain-shaped inclined surface 17b that protrudes downward and moves upward (pushing) with a predetermined pressing force. It is configured. When the opening operation is performed, the opening operation force of the first and second door bodies 2 and 3 is large, and the stop roller 17a presses the inclined surface 17b of the roller receiving member 17c to force the roller receiving member 17c. When the upper door body 2 is moved upward, the stop roller 17a gets over the inclined surface 17b and engages with the roller receiver 17c as the first and second door bodies 2 and 3 are fully opened. In this state, the first and second door bodies 2 and 3 are held in the fully open posture. At this time, the first and second door bodies 2 and 3 are closed in the closing direction by the self-closing device 16. A tensile force is acting. For this reason, the operating force necessary for forcibly moving the roller holder 17c upward (forced pushing) is stored in the winding device of the self-closing device 16 in the fully opened posture of the first and second door bodies 2 and 3. Thus, the first and second door bodies 2 and 3 are configured to be held in a fully open posture.
On the other hand, when the stopper device 17 releases the fully open posture, the first and second door bodies 2 and 3 are forcedly moved upward by the stop roller 17a pressing the inclined surface 17b. When the closing operation is performed with an operating force exceeding the required operating force, the fully open posture is released, and after the release, the self-closing device 16 is activated to be closed.

  Further, reference numeral 18 denotes a braking device. The braking device 18 is provided on the door-end side in which the first door body 2 forms an opening in the process in which the first and second door bodies 2 and 3 are fully closed. It is set so as to prevent shocking contact with the frame. The braking device 18 includes a pinion 18a provided on the upper edge of the upright edge 5b of the first traveling roller unit 5 on the door end side that operates integrally with the first door body 2, and a first pinion 18a. A rack 18b disposed on the traveling rail 9, and configured so that the pinion 18a is braked by traveling on the rack 18b before the first door body 2 is in the fully closed posture. Thereby, it is comprised so that the malfunction that the door end side end surface of the 1st door body 2 may contact | abut to the door end side frame of an opening part can be eliminated.

Furthermore, the first and second door bodies 2 and 3 constituting the sliding door device 1 are provided with a suspension portion of the first and second traveling rollers 5d and 6d to the first and second traveling rails 9 and 8 as fulcrums. An anti-sway mechanism is provided for anti-swaying in the front and back direction.
First, the second door body steadying body 3c is fixed to the opening floor in the vicinity of the panel body 4, and the second door body steadying body 3c is fixed to the second door body steadying body 3c. A steady-state recess 3d formed on the lower end surface is slidably fitted so that the back-and-forth movement in the opening / closing movement of the second door body 3 is prevented. Furthermore, the attachment piece 3e extended to the surface side (the 1st door body 2 side) is fixed to the lower end part door end side of the 2nd door body 3, The steadying body for 1st door bodies is fixed to this attachment piece 3e. 3f is provided, and the first and second doors are provided by movably fitting a steady-state recessed portion 2d formed on the lower end surface of the first door body 2 to the first door-body steady-state body 3f. The lower ends of the bodies 2 and 3 are connected to each other, and are configured to prevent not only the front and back steadying in the opening and closing movement of the first door body 2 but also the front end side portion of the second door body 3. ing. In this case, the first door body 2 receives a steady-rest function by the steady-state bodies 3c and 3f through the second door body 3, and the steady-rest function is the first and second door bodies 2. In the state in which 3 is located in the vicinity of the fully closed posture in a state where 3 are arranged in parallel in the left-right direction, it is effective only for the door bottom side portion, and the door end side cannot be steady.
Therefore, the steadying means of the present invention is provided to steady the door end side portion of the first door body 2.

Next, the steadying means will be described based on the front view shown in FIG.
That is, the first fixed piece 5a constituting the first traveling roller unit 5 arranged on the door end side of the first door body 2 is provided with a base member (main member) which is a constituent member of the roller arm RA constituting the steadying means. The first member 19 of the invention is integrally provided. The base member 19 includes an attachment piece 19a along the back surface side (wall side) of the first upright piece 5b. The left-right width of the attachment piece 19a is longer than that of the first upright piece 5b. A pair of fastening pieces 19b projecting toward the surface side are bent at the left and right ends of the lower edge of the piece 19a. The pair of fastening pieces 19b are screwed to the upper surface of the first fixed piece 5a located on the left and right sides of the first upright piece 5b by using a set screw 19c, whereby the first door body of the base member 19 is obtained. Fixed to 2. The base member 19 is screwed into the first fixed piece 5a through a long hole 19d that is long in the front and back direction provided in each fastening piece 19b, thereby adjusting the position of the first door body 2 in the front and back direction. It is set so that it is built-in and fixed in the state where has been made.

  An L-shaped plate (second member of the present invention) 20 is fixed to the mounting piece 19 a of the base member 19. The L-shaped plate 20 extends upward from one plate 20a which is long in the left-right direction and one longitudinal direction of the one plate 20a (the door end side of the first door body 2 and the left end in FIG. 1). And the other plate 20b is configured so that the plate surfaces of the plates 20a and 20b have the same surface, and the surface of the plate 20a is directed to the upper half of the back surface of the mounting piece 19a. Therefore, it is assembled and fixed to the base member 19 by screwing and fixing using the screw 20c. Here, the left and right lengths of the one plate 20a are formed to be longer than the left and right lengths of the mounting piece 19a. In the present embodiment, the other plate 20b that stands upward is on the left side of the first standing piece 5b ( It is set so as to be positioned on the door end side).

Furthermore, an arm member (third member of the present invention) 21 formed by bending a long plate material into an L-shape is incorporated into the L-shaped plate 20, and the arm member 21 is oriented in the vertical direction. The piece 21a is fixed to the surface of the other plate 20b by using a screw 21b. At this time, the arm member 21 is screwed into the other plate 20b through a long hole 21c that is long in the vertical direction provided in the one piece portion 21a, so that the vertical direction with respect to the L-shaped plate 20 (first door body 2). It is configured to be incorporated and fixed in a state in which the position adjustment is performed. And the steadying roller 22 provided with the rotating shaft 22a which protrudes below is supported by the protrusion edge part of the other piece part 21d which protrudes in the back surface side of the arm member 21. As shown in FIG.
As described above, the roller arm RA according to the present embodiment is composed of the three members of the base member 19, the L-shaped plate 20, and the arm member 21, and these are the front and back directions and the vertical direction with respect to the first door body 2. In this state, the mounting position of the steadying roller 22 relative to the first door body 2 can be adjusted by mounting and fixing.
Here, the L-shaped plate 20 is fixed to the base member 19 fixed to the first traveling roller unit 5 with the front and back sides reversed, so that the other plate 20b rising upward is replaced with the first standing piece 5b. In this way, the roller arm RA can be placed in any of the sliding door devices (opening direction of the first and second door bodies 2 and 3) which are not right and left. A thing is also located and assembled | attached to the door-end side of the 1st driving | running | working roller unit 5. FIG.

  In the state where the steadying roller 22 is attached to the first door body 2 via the roller arm RA, the vertically arranged position of the steadying roller 22 supported by the arm member 21 is the first and second traveling positions. The first door body 2 (the first door body 2) which is further below the suspension portion of the rollers 5 d, 6 d to the first and second traveling rails 9, 8 but is fixed to the first door body 2 of the roller arm RA. The two-door body 3) is set so as to be located above the upper end surface, and the position of the anti-sway roller 22 in the front and back direction exceeds the second door body 3 laminated on the first door body 2, In order to reach the mounting surface 7a portion of the rail support bracket 7, the first door body 2 (second door body 3) is disposed so as to be biased toward the back side in the door thickness direction.

Further, the steady rail unit 23 for fitting the steady roller 22 is provided on the rail support bracket 7 disposed on the wall surface of the casing above the opening.
That is, the mounting surface 7a of the rail support bracket 7 is formed with a recess 7c opposite to the position where the steadying roller 22 is disposed, and the rail unit 23 is provided here. The concave portion 7c is integrally formed over the entire length from the portion adjacent to the door butt side of the self-closing device 16 to the opening door butt side portion, and from the door tip side portion of the concave portion 7c to the panel body 4. A first rail member 24 that constitutes the rail unit 23 is fixed to a portion that extends above the door end side portion. The first rail member 24 has an upper piece 24a fixed to the groove bottom surface of the recess 7c, and a lower piece 24b that is offset to the front side of the upper piece 24a and whose lower end edge is abutted against the groove side piece of the recess 7c. In addition, the upper piece 24a and the lower piece 24b are connected to each other, and a step piece 24c facing in the horizontal direction is formed. The second rail member 25 is fixed to the step piece 24c. The second rail member 25 is integrally formed with a connecting piece 25a addressed to the upper surface of the step piece 24c and a front side edge of the connecting piece 25a. And a rail portion 25c that forms a concave rail groove 25b. The second rail member 25 is attached to the step piece 24c by a screw 25e through a long hole 25d that is long in the front and back direction formed in the connecting piece 25a, so that the position of the front and back direction with respect to the frame wall body is adjusted. It can be fixed with.

Then, the steady door roller 22 is fitted into the rail groove 25b (the steady rail 23), and the movement of the steady roller is restricted by a pair of front and back groove side pieces that are long in the left-right direction of the rail groove 25b. It is set so as to prevent the front and back steadying that occurs on the door side of the body 2. At this time, as described above, the position where the steadying roller 22 is disposed is lower than the first traveling rail 9 suspension of the first traveling roller 5d, and the fixed portion of the roller arm RA to the first door body 2 is fixed. The first door body 2 is located above the upper surface of the first door body 2 and is offset from the first door body 2 in the door thickness direction. Further, by providing the steady rail 23 on the rail support bracket 7 on the frame wall surface above the opening, the entire length of the roller arm RA can be shortened.
In addition, 26 is a cover body arrange | positioned above an opening part, Comprising: This cover body 26 is the 1st, 2nd traveling rail 9, It is comprised so that the front side of 8 arrangement | positioning site | parts may be covered.

  In this embodiment configured as described, the opening is configured to be opened and closed by the first and second door bodies 2 and 2 on the left and right sides. The stop is made by fitting the steady roller 22 arranged on the door end side to the steady rail 23. In this case, the steady roller 22 is suspended from the first traveling rail 9 of the first traveling roller 5d. Below the holding portion, above the upper surface of the first door body 2 that is a fixing portion of the roller arm RA to the first door body 2, and to the second door body 2 in the door thickness direction. It is provided at a close position. As a result, the steady rail 23 can be provided on the rail support bracket 7 on the chassis wall above the opening, and it is not necessary to lengthen the entire length of the roller arm RA as in the case where the steady rail is provided on the ceiling. In addition to being able to suppress weight increase, it is also excellent in durability and design.

And in this thing, the 1st and 2nd door steadying body 3c, 3f absorbs the shake of the 1st door body 2 which is hard to absorb, and also the door side of the 1st door body 2 Therefore, the opening and closing operations of the first and second door bodies 2 and 3 can be made quiet and stable in the whole process.
Further, in this structure, the rail support bracket 7 is provided with a self-closing device 16 so that the first and second door bodies 2 and 3 can be self-closed. Is provided in the first door body 2 so as to be adjacent to the door bottom side of the self-closing device 16 in the fully closed posture of the sliding door device 1. As a result, in the state where both the steadying roller 22 and the steadying rail 23 do not interfere with the self-closing device 16, it is provided at the most door-end portion of the first door body 2 and is effective. Therefore, the sliding door device 1 can be opened and closed stably and stably.

  In addition, in this structure, the roller arm RA is composed of three members: a base member 19, an L-shaped plate 20, and an arm member 21, and these can be adjusted with respect to the first door body 2 in the front and back direction and in the vertical direction. Since the structure can be assembled and fixed in a stable state, the position of the steadying roller 22 can be set based on these adjustments, and the installation error of the first door body 2 can be absorbed. .

  Further, in this case, the steadying rail 23 is composed of two members, first and second rail members 24 and 25, and these members 24 and 25 can be adjusted in the front and back direction relative to the rail support bracket 7. The mounting position of the steadying rail 23 relative to the rail support bracket 7 can be adjusted as appropriate, and the steadying roller 22 and the steadying rail 23 are fitted with high precision. The first and second door bodies 2 and 3 can be made into a sliding door device that can be opened and closed quietly and smoothly while being provided with a steady rest.

It is a general | schematic whole front view in the fully-closed attitude | position of a sliding door apparatus. It is a general | schematic whole front view in the fully open attitude | position of a sliding door apparatus. It is a partially cutaway side view explaining a sliding door device. It is a partially notched top view explaining a sliding door apparatus. 5A, 5B, and 5C are a plan view, a side view, and a front view of the first traveling roller unit, respectively. 6A, 6B, 6C, and 6D are a plan view, a side view, a front view, and a bottom view of the second traveling roller unit, respectively. FIGS. 7A, 7B, and 7C are a plan view, a side view, and a rear view of the L-shaped plate, respectively. 8A, 8B, 8C, and 8D are a plan view, a side view, a bottom view, and a rear view of the arm member, respectively. FIGS. 9A, 9B, and 9C are a plan view, a side view, and a rear view of the roller arm, respectively. 10A, 10B, and 10C are a plan view, a front view, and a side view of the first rail member, respectively. 11A and 11B are a plan view and a side view of the second rail member, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sliding door apparatus 2 First door body 3 Second door body 4 Panel body 5d First traveling roller 6d Second traveling roller 8 Second traveling rail 9 First traveling rail 16 Self-closing device 17 Stopper device 18 Braking device 19 Base member 20 L-shaped plate 21 Arm member 22 Stabilizing roller 23 Stabilizing rail 24 First rail member 25 Second rail member

Claims (5)

  The door body is provided with a traveling roller protruding upward, and the traveling roller is movably suspended on a traveling rail disposed above the opening of the housing so that the door body closes the opening and the door body. In the sliding door device transformed into a fully open posture that opens the opening, the steadying roller provided on the upper part of the door body via the roller arm is movably fitted to the steadying rail provided on the housing. In order to prevent the steady movement of the door body in the direction of the thickness of the door using the suspension portion of the door body as a fulcrum, the position of the steady state roller is set to the suspension portion of the door body on the running rail and the roller arm. And a position where the door is biased to one side in the thickness direction of the door, and a steady rail is provided on the wall surface parallel to the door surface above the opening. Sliding door device.   The sliding door device is composed of a plurality of door bodies, and the traveling rollers provided for each door body are movably suspended on a plurality of traveling rails arranged in parallel in the door thickness direction on the wall surface above the opening of the housing. The door body is transformed into a fully closed position in which the opening is closed adjacent to the width direction and a door body is laminated in the door thickness direction to open the opening. The sliding door apparatus of Claim 1 provided in the door body located in the door tip side by a closed attitude | position.   The door body is configured to be self-closed by a self-closing device provided at the door end side end of the wall surface parallel to the door surface, and the steadying roller is set to the door bottom of the self-closing device in the fully closed posture of the door body. The sliding door device according to claim 1, wherein the steadying rail is disposed from the self-closing device fixing portion toward the door bottom side of the opening while being provided adjacent to the side.   The roller arm includes a first member that is fixed to the upper end surface of the door body, and a vertical extension portion that is connected to the first member and extends upward along one surface in the door thickness direction of the door body. It is configured using a second member and a third member having a horizontal extending portion that protrudes from the vertical extending portion toward the wall body, and the first, second, and third members are formed on the door body. 4. The sliding door device according to claim 1, wherein the door thickness direction and the vertical direction are freely adjusted. 5.   The steadying rail includes a first rail member integrated with the wall body, a rail groove into which the steadying roller is fitted, and a second rail member capable of adjusting the position in the door thickness direction with respect to the first rail member; The sliding door apparatus as described in any one of Claims 1 thru | or 4 comprised using this.

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