JP2008308898A - Sliding door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sliding door device having a self-closing function, a simple structure, an improved aesthetic appearance of the whole device, and also a large entrance near the ceiling surface. <P>SOLUTION: This sliding door device comprises: a fitting projecting piece fitted, from the inspection side, between a projecting connection seat attached to the upper end entrance side inner surfaces of a door end side vertical frame and an inspection side intermediate frame 3 and the lower surface of a base plate side lower projecting part 721; and an inspection side closing plate 74 so formed in a generally upwardly opened U-shape in cross section that the lower surface side is screwed to the projecting connection seat, projecting to the sliding door side, and closing the inspection side of an entrance upper part. With the inspection side closing plate 74 dismounted, the sliding door is detachable from the entrance side. With the sliding door attached to a rail member 5, the sliding door device is positioned between the rail member 5 and the sliding door upper end surface so that the adjustment part 92 of a brake device can be attached. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to a sliding door device having a self-closing function.

Conventionally, this type of sliding door device prevents the sudden closing movement of the sliding door, so that the closing speed of the sliding door is reduced near the closing and the air cylinder (the adjustment unit side of the brake device) and the air are closed slowly. It has a brake device composed of an operating protrusion for operating the cylinder.
In order to improve the design, it is common that the surface other than the entrance is covered with the same decorative board as the wall surface of the building.
Furthermore, because the sliding door of the sliding door device is installed after the interior of the building is completed, the sliding door, etc. is attached to the rail material of the sliding door frame built in the building in advance from the doorway, and then the sliding door sliding confirmation, brake device Various fine adjustments including adjustment of mounting and closing speed are performed.

For this reason, a removable inspection panel is constructed at the upper part of the inspection side (usually the indoor side) of the entrance and exit, with the panel removed, sliding door installation, sliding door sliding confirmation, air cylinder installation and air cylinder adjustment After making various fine adjustments including adjustment of the closing speed of the sliding door, the inspection panel was attached to the upper part of the entrance again to hide the rail member, air cylinder, etc.
For this reason, it is assumed that the above work is performed from the inspection panel side, the air cylinder is a fixed part facing the inspection panel, and it is installed above the rail material, which is hardly affected by sliding door sliding, Due to the need to conceal them, the panels were inevitably formed in considerable height dimensions. (For example, refer to Patent Document 1.)

For this reason, the design of the upper part of the entrance / exit is significantly different between the inspection side (usually the indoor side) and the fixed side (usually the outdoor side), and the surface other than the entrance / exit is covered with the same decorative board as the wall of the building. However, there is a problem that the design consideration of the entrance / exit part (particularly the upper part of the entrance / exit) is not sufficient although the overall design is improved.

Japanese Patent Laid-Open No. 10-8818 (FIGS. 1 and 3)

In view of the conventional problems, the present invention has a simple structure, and the design of the entrance / exit is substantially the same design on the inspection side (indoor side) and the fixed side (outdoor side), so that the overall aesthetics can be improved. It is an object of the present invention to provide a sliding door device that is easy to handle, can be safely removed, and can provide a large entrance / exit that is close to the ceiling surface by downsizing the part to be removed.

Therefore, in order to solve the above problems, the present invention is configured as a first means, which is formed in a gate shape from the door-end side vertical frame, the door-end side vertical frame, and the upper frame, and is fixed to the steel frame on the building side. The sliding door frame is arranged with the rail member lowered on the door end side, the sliding door is suspended from the rail member, the side where the sliding door is located in the closed state is the entrance / exit side, and the sliding door is in the opened state In the sliding door device, which is covered with a decorative board whose surface other than the entrance / exit is substantially flush with the wall surface, the inspection-side decorative projection and the fixed-side decorative projection that have the same lower end surface Is formed at the upper end of the entrance and exit, and the inspection-side decorative projection is configured to conceal the lower surface of the lower end edge of the inspection-side decorative board, , Inspection side blocking plate that is detachably mounted below the board side lower protrusion The inspection side blocking plate is inserted from the inspection side between the projection connecting seat attached to the inner surface of the upper side of the door end side vertical frame and the inspection side middle frame and the lower surface of the substrate side lower protrusion. It consists of a projecting piece and an inspection side blocking part that protrudes toward the sliding door and closes the inspection side at the upper part of the entrance and exits, with the inspection side blocking plate removed. In such a state, the sliding door can be attached and removed from the entrance / exit side, and with the sliding door attached to the rail member, it is positioned between the rail member and the upper end surface of the sliding door so that the adjusting part of the brake device can be attached. It is what.

Next, when the present invention is configured as the second means, in addition to the configuration as the first means, the adjusting portion of the brake device is connected to the lower surface of the rail member from below.

Next, when the present invention is configured as the third means, in addition to the configuration as the first means, the adjusting portion of the brake device is located between the rail member and the sliding door upper end surface and is inspected on the upper frame. It is connected from the side.

According to the first aspect of the present invention, the inspection-side decorative protrusion and the fixed-side decorative protrusion are formed at the entrance / exit upper end so that the lower end surfaces are substantially the same height, and the inspection-side closing plate is removed, and the sliding door Etc. can be installed and removed from the entrance / exit side, and it is located between the rail member and the upper end surface of the sliding door with the sliding door attached to the rail member. Regardless of the mounting height of the rail member, the height dimension of the decorative protrusion can be set to a small height dimension that takes into account the allowance for the upper part of the sliding door. Therefore, it is possible to make the height dimension of the inspection-side decorative protrusion close to the height dimension of the fixed-side decorative protrusion, and there is no sense of incongruity between the inspection side and fixed side designs at the upper part of the entrance and exit, and the overall aesthetics can be improved. .
In addition, since the inspection-side closing plate is reduced in size and weight as a whole, handling during installation and removal is easy, and the part to be removed is small, so the opening of the entrance and exit should be formed close to the ceiling surface. Is also possible.
In addition, the inspection-side closing plate is formed with a lower surface of the lower projection on the substrate side of the inspection-side ranma base panel and a fitting protrusion that is inserted between the protrusion connection seats from the inspection side. Even if it is not screwed), it will not fall inadvertently, so the inspection side decorative projection can be safely attached and detached.

According to the second aspect of the invention, in addition to the above-described effect, since the adjustment portion of the brake device is connected to the lower surface of the rail member, the member for attaching the adjustment portion of the brake device can also be used as the rail member. Therefore, the increase in the number of members can be suppressed, and the cost can be reduced as a whole.

According to the invention of claim 3, in addition to the effect of the invention of claim 1, the adjusting portion of the brake device is located between the rail member and the sliding door upper end surface and is connected to the upper frame from the inspection side. Therefore, the connecting operation of the adjusting part of the brake device can be performed from the inspection side with the inspection side blocking plate removed, and the operation is easy and safe.

In the present invention, a rail member is disposed on a sliding door frame that is formed in a gate shape from a door side vertical frame, a door bottom side vertical frame, and an upper frame and is fixed to a steel frame on the building side. When the sliding door is suspended from the member, the side where the sliding door is located is the entrance / exit side when the sliding door is closed, the side where the sliding door is located is the door pocket side when the sliding door is open, and the surface other than the entrance / exit is substantially flush with the wall surface. In the sliding door device covered with the decorative board, the inspection-side decorative protrusion and the fixed-side decorative protrusion are formed at the upper end of the entrance, and the inspection-side decorative protrusion is the inspection-side decorative board. A board-side lower protrusion having a substantially U-shaped cross-section formed at the lower end of the inspection-side ranma base panel, and a inspection-side closing plate detachably attached to the lower side of the substrate-side lower protrusion. The inspection side obstruction plate is projected from the upper end of the door side vertical frame and the inspection side middle frame. Sliding doors with a protruding connecting piece fitted on the inner surface of the mouth side and the lower surface of the board side lower protruding portion, and a protruding piece for fitting from the inspection side, and an upward generally U-shaped with the lower surface side screwed to the protruding connecting seat. It is composed of an inspection side blocking part that protrudes to the side and closes the inspection side at the upper part of the entrance / exit, and with the inspection side blocking plate removed, the sliding door etc. can be attached and removed from the entrance / exit side, and the sliding door is attached to the rail member In this state, the adjusting portion of the brake device is connected to the lower surface of the rail member from below.

Hereinafter, a first embodiment will be described in detail with reference to the accompanying drawings.
1 and 2, reference numeral 1 denotes a sliding door frame.
As shown in FIG. 1 to FIG. 6, the sliding door frame 1 includes a door bottom side vertical frame 13 and a door end side vertical frame 14 fixed to a steel frame 11. Between the upper ends of the door-end side vertical frame 13 and the door-end side vertical frame 14, the gate shape is formed from the upper frame 15 disposed on the steel frame 11... On the building side via brackets 12. Is formed.

The upper end is fixed between the door bottom side vertical frame 13 and the door end side vertical frame 14 on both the inspection side (in the embodiment, indoor side) and the fixed side (in the embodiment, outdoor side) of the upper frame 15, and the lower end The inspection-side middle frame 3 and the fixed-side middle frame 30 whose parts are embedded in the floor surface are arranged at a predetermined interval on the inspection side and the fixed side.
Hereinafter, between the door bottom side vertical frame 13 and the inspection side middle frame 3 is the door bag inspection side, between the door bottom side vertical frame 13 and the fixed side middle frame 30 is the door bag fixing side, and the door bag inspection side and the door bag fixing side are combined. Between the door-end side vertical frame 14 and the inspection-side middle frame 3, the entrance-and-exit inspection side, between the door-end side vertical frame 14 and the fixed-side middle frame 30, the entrance / exit fixing side and the entrance / exit inspection side and the entrance / exit fixing side together say.

1, 2, and 3, reference numeral 5 denotes a rail member that is screwed to the inner surface of the fixed side of the upper frame 15.
Reference numeral 6 indicates a sliding door suspended from the rail member 5, reference numeral 16 indicates a base material fixed over the entire width of the floor surface on the door pocket side, and reference numeral 164 indicates a guide on the entrance / exit side end of the base material 16. A guide roller mounting member is provided in which a roller 17 is rotatably provided and is protruded and attached slightly to the entrance / exit side between the fixed-side middle frame 30 and the inspection-side middle frame 3.
1, 2, 5, and 6, reference numerals 4... Indicate base rails disposed at predetermined intervals in the vertical direction on both sides of the door inspection side and the door fixing side.
3 and 4, reference numeral 7 denotes an inspection-side rammer base panel attached to the point detection entrance side of the upper frame 15, and reference numeral 19 denotes a fixed-side rammer base panel provided on the fixed entrance / exit side of the upper frame 15. Yes.

And the said sliding door frame 1, the base material 16, the guide roller attachment member 164 to which the guide roller 17 was attached, the inspection side intermediate frame 3, the fixed side intermediate frame 30, the base frame 4 ..., the fixed side rammer base panel 19, The inspection-side ramper base panel 7 and the rail member 5 were constructed before the interior finish (attachment of a decorative board, cloth, etc.) was performed, and after finishing the interior finish, a part of the inspection-side ramper base panel 7 was removed. In the state, the sliding door 6 is hung on the rail member 5, the sliding door 6 is confirmed for sliding, the closing speed is adjusted, and then the part of the removed inspection-side base panel 7 is reattached, The sliding door device is completed.

Hereinafter, each member will be described in detail.
As shown in FIG. 6, the door bottom side vertical frame 13 is formed in a substantially U-shaped cross section from the entrance / exit side surface 131, the inspection side surface 133, and the fixed side surface 132, and has a predetermined interval in the vertical direction on the building side steel frame 11 side. The provided fixing members 134 are welded to the brackets 12 which are fixedly projected and fixed to the entrance / exit side of the building steel frame 11, and the lower ends are embedded and erected on the floor surface when the floor surface is finished. ing.
Then, when the sliding door 6 is opened, a buffer member 135 with which the door bottom side end surface of the sliding door 6 abuts is attached to the entrance / exit side surface 131.

As shown in FIG. 6, the door end side vertical frame 14 is provided with fixing members 141... At predetermined intervals in the vertical direction on the building side steel frame 11 side. And the inspection side board closing portion 147 that conceals the entrance / exit side end face of the decorative board 100 on the inspection side (indoor side), and conceals the entrance / exit end face of the fixed side decorative board 100 that projects toward the fixed side in the entrance / exit side direction. It is formed in a flat, substantially U-shape having a fixed-side board closing part 146, and a closing recess 148 is formed at a portion where the door end side end of the sliding door 6 on the entrance / exit side is located. The inspection-side board closing part 147 and the fixed-side board closing The portions 146 are connected in the vertical direction.

As shown in FIGS. 3, 4, and 5, the upper frame 15 includes an upper surface wall 151, an inspection side wall 152 formed by hanging from the inspection side end portion of the upper surface wall 151, and a fixed side end portion of the upper surface wall 151. The fixed side wall 153 is formed in an inverted L shape from the fixed side wall 153 having a height approximately nine times as high as that of the inspection side wall 152. The luma support protrusion 154 that supports the lower end of the protrusion 19 protrudes toward the fixed side. The luma support protrusion 154 protrudes outside the lower end edge of the fixed decorative board 100, and the lower edge of the fixed decorative board 100 is A fixed-side makeup protrusion 155 to be concealed is connected.
In other words, the upper part on the fixed side of the entrance / exit is covered with the fixed side decorative board 100 except for the fixed side and the lower surface side of the fixed side decorative protrusion 155.

As shown in FIGS. 5 and 6, the base material 16 includes a fixed surface 161 located at the full width of the floor surface on the door pocket side, and a rising surface 162 formed at the end of the fixed surface 161 on the door bag inspection side and the door bag fixed side, A guide roller that is formed in a U-shaped cross section upward from 162 and that rotatably holds a guide roller 17 fitted in a fitting groove 60 formed in the lower end surface of the sliding door 6 on the upper end at an end located on the entrance / exit side. The attachment member 164 is attached to the end of the fixed surface 161 on the entrance / exit side.
And the edge part side of the door butt side vertical frame 13 side of the guide roller mounting member 164 is fixed to a floor surface with the base material 16 with an anchor bolt, and the entrance / exit side edge parts of the rising surfaces 162 and 162 are on the inspection side. The frame 3 is connected to the inner surface of the fixed side middle frame 30.

As shown in FIG. 6, the inspection-side middle frame 3 protrudes toward the inspection side from the reinforcement frame 31 located on the inner surface side and the end of the reinforcement frame 31 on the entrance / exit side. The inspection side middle frame protrusion 32 to be concealed, and the decorative board support part 33 that protrudes from the inner surface side end of the inspection side middle frame protrusion 32 toward the door bottom side vertical frame 13 and to which the inspection side door bag decorative board 100 is attached. The decorative board support part 33 projects in an L-shape from the end of the door butt side vertical frame 13 in the direction of the door butt side vertical frame 13, and the end of the base frame 4. The upper end is connected to the inspection side wall 152 of the upper frame 15, the lower end is connected to the base material 16, and the lower end is embedded in the floor when standing on the floor. .

As shown in FIG. 6, the fixed-side middle frame 30 protrudes toward the fixed side from the fixed-side reinforcing frame 301 located on the inner surface side, and the end of the fixed-side reinforcing frame 301 on the doorway side. A fixed-side middle frame protrusion 302 that conceals the side ends, and a fixed side that protrudes from the inner-surface-side end of the fixed-side intermediate frame protrusion 302 toward the door butt side vertical frame 13 and to which the fixed-side doorcase decorative board 100 is attached The decorative board support portion 303 and the fixed side decorative board support portion 303 project from the end of the door butt side vertical frame 13 in the direction of the door butt side vertical frame 13 and are fixed to the base frame 4. It is formed of a fixed side base beam connecting portion 304 to which an end portion on the 30 side is connected, an upper end portion is connected to a fixed side wall 153 of the upper frame 15, a lower end portion is connected to the base material 16, and a lower end is formed when flooring is finished. Built up on the floor.

As shown in FIGS. 5 and 6, the base rail 4 includes a substrate surface portion 41, upper and lower flange portions 42 and 43 in which upper and lower end portions of the substrate surface portion 41 are bent in an L shape, and a door bottom of the substrate surface portion 41. From a connecting flange portion 44 (shown in FIG. 6) that is bent in an L shape inward on the side end portion, and an intermediate frame side connecting portion 45 formed at the end portion on the inspection side intermediate frame 3 side of the substrate surface portion 41. The door bottom side vertical frame 13, the inspection side middle frame 3, and the fixed side middle frame 30 are arranged at predetermined intervals in the vertical direction.

As shown in FIGS. 3 and 4, the fixed-side rammer base panel 19 is formed with an upper connecting protrusion 192 that is screwed to the upper end of the fixed side wall 153 of the upper frame 15 at the upper end of the fixed-side surface substrate 191. The lower end portion is supported by the luma support protrusion 154 of the upper frame 15.
The fixed-side decorative protrusion 155 is screwed to the ramer support protrusion 154 to hold and conceal the lower end edge of the fixed-side decorative board 100 attached to the surface of the fixed-side surface substrate 191.

As shown in FIGS. 3 and 4, the inspection-side rammer base panel 7 includes a substrate 72 and an inspection-side decorative protrusion 73 provided at the lower end portion of the substrate 72.
And the board | substrate 72 comprises the upper end connection protrusion 71 formed in the upper end, and a part of the inspection side makeup | decoration protrusion 73 in the cross-sectional substantially U shape which conceals the lower surface of the lower end edge of the inspection side decoration board 100. A substrate-side lower protrusion 721 is provided.

As shown in FIG. 7, the inspection-side decorative protrusion 73 includes a substrate-side lower protrusion 721 and an inspection-side blocking plate 74 that is detachably attached to the lower side of the substrate-side lower protrusion 721.
The inspection-side closing plate 74 is formed between the protrusion connection seats 70 and 70 attached to the door-end-side vertical frame 14 and the upper-side entrance / exit-side inner surface of the inspection-side middle frame 3, and the lower surface of the substrate-side lower protrusion 721. It is composed of a fitting protrusion 741 to be fitted more and an inspection-side blocking surface portion 742 that protrudes toward the sliding door and closes the inspection side at the upper part of the entrance and exit, with the lower surface side screwed to the protruding connection seat 70. ing.

Since the protrusion connection seats 70 and 70 are configured in the same shape facing each other, only one side will be described.
As shown in FIG. 8, the projecting portion connecting seat 70 projects to the entrance / exit side from the connecting wall 701 that is screwed to the inner surface of the upper end portion entrance / exit side of the inspection side middle frame 3 and the outer end of the connecting wall 701. And a decorative projecting portion having a connecting screw hole 703 projecting inwardly from the lower end portion of the gap closing wall 702 and connected to the inspection side closing portion 78 by screwing. The connecting wall 704 is configured.

The inspection-side rammer base panel 7 and the protrusion connection seats 70 and 70 are formed as described above, and the inspection-side side of the substrate 72 with the upper-end connection protrusion 71 screwed to the inspection side wall 152 of the upper frame 15. The inspection-side decorative board 100 is affixed to the surface of the base plate 4, the fixed-side decorative board 100 is affixed to the surface of the lower fixed-side surface substrate 191 of the fixed-side rammer base panel 19, and the connecting flange portion of the base bar 4. 44... And between the rising surfaces 162 and 162 of the base material 16 and the upper and lower flange portions 42, 43..., Between the upper flange 42... And the inspection side wall 152 and the fixed side wall 153 of the upper frame 15. In the state where the board 101... Is pasted and the decorative board 100 is pasted on the door pocket side of the surface of the base board 101..., The surface other than the entrance is the same as the wall of the building. After being covered with further so that the cross 103 and the like is attached to the indoor side.

That is, the inspection-side board closing portion 146, the fixed-side board closing portion 147, the inspection-side intermediate frame protrusion 32, the fixed-side intermediate frame protrusion 302, the board-side lower protrusion 721 of the door-end side vertical frame 14, The fixed side decorative protrusion 155 protrudes outward from the decorative board 100.
Then, after the final finishing is performed (the rail holding member 2, the sliding door 6 and the like are attached), the fitting protrusion 741 of the inspection-side closing plate 74 is connected to the lower surface of the board-side lower protrusion 721 and the protrusion. It fits between the upper end surfaces of the gap blocking walls 702, 702 of the seats 70, 70, and the inspection side blocking surface portion 742 is screwed to the projecting portion connecting seats 70, 70 from the lower surface, so that the inspection side decorative projection 73 is formed above the entrance / exit. Is configured.

At this time, the gap closing walls 702 and 702 of the protrusion connection seats 70 and 70 and the decorative protrusion connection walls 704 and 704 close the inspection-side inner frame 3 and the door-end-side vertical frame 14 on the entrance side and the inspection-side blockage. Since the gap formed between both end portions of the plate 74 (inspection side obstruction surface portion 742) is obstructed from the back surface side, the appearance is improved.
Further, when connecting the inspection-side closing plate 74, the insertion protrusion 741 is inserted between the lower surface of the substrate-side lower protrusion 721 and the upper end surfaces of the gap blocking walls 702 and 702 of the protrusion connection seats 70 and 70. Thus, since the inspection-side blocking surface portion 78 abuts against the front surface of the gap blocking wall 702, the inspection-side decorative protrusion 73 does not fall carelessly and can be easily connected.

As shown in FIG. 5, the rail member 5 includes a fixed side connection wall 51 connected to the inspection side surface of the fixed side wall 153 of the upper frame 15 with a connection bolt 50... And a lower end portion of the fixed side connection wall 51. A sliding door support wall 52 having a rail 53 protruding upward at the inspection side end and protruding upward at the inspection side end, and a predetermined distance below the sliding door support wall 52 at the lower end portion of the fixed side connection wall 51. The lower end protruding wall 54 protruding toward the inspection side is formed into an approximately L shape by extrusion molding of an aluminum material, and is connected to the upper frame 15 downwardly on the door end side over the door pocket side and the doorway side.

As shown in FIGS. 3, 4, and 6, the sliding door 6 has a panel shape in which hanging metal fittings 61 and 61 are provided on the upper end surfaces of the door end side end and the door bottom side end. A fitting groove 60 into which the guide roller 17 is fitted in the opening / closing direction is formed, and the door located on the door end side end surface of the sliding door 6 is located in the closing recess 148 of the door side vertical frame 14 in the closed state of the sliding door. The contact member 600 is provided to protrude in the direction of the door-end side vertical frame 14.
Reference numeral 300 denotes a handle provided on the inspection side (inside the room) and the fixed side (outside the room) at the door end side end of the sliding door 6.

4, 9, and 10, the hanging bracket 61 includes a pulley connecting wall 62 to which a grooved roller 60 is rotatably attached to a fixed side surface of an upper end portion, and an appropriate number of liners 63. A connecting screw hole is formed at a predetermined position of the pulley connecting wall 62 to which the uplift bolt 65 is screwed. In the embodiment, the door bottom side hanging bracket 61 is formed to have a predetermined dimension higher than the door end side hanging bracket 61, and the upper and lower end surfaces are substantially horizontal when the sliding door 6 is suspended. It is configured as follows.

In other words, the sliding door 6 was suspended from the rail member 5 by interposing an appropriate number of liners 63 between the upper end surface of the door-side hanging metal fitting 61, the door bottom side hanging metal fitting 61, and the sliding door 6, respectively. In this state, the hanging fittings 61 and 61 are connected to the sliding door 6 so that the upper and lower end surfaces are in a horizontal state.
Reference numeral 201 denotes an optional member mounting seat attached to the upper end surface of the door end side end of the sliding door 6.

Then, after the guide roller 17 is fitted into the fitting groove 60 from the door butt side from the inspection side of the entrance / exit where the inspection side blocking plate 74 is removed, the stopper bolt 65 is slightly screwed into the connecting screw hole. In this state, the grooved rollers 60, 60 are fitted and placed on the rail 53 of the rail member 5 arranged in an inclined state in which the door end side is lowered on the upper frame 15 (sliding door frame 1). The grooved rollers 60, 60 are removed from the rail 53 by adding a closing function and completely screwing the lifting bolt 65 with a spanner from below and projecting the tip of the screw shaft to the lower surface of the sliding door support wall 52. Prevents floating and falling off.
Next, optional members such as a fully open stopper device and a brake device are attached from the inspection side.

As shown in FIGS. 3, 9, and 10, the fully-open stopper device protrudes toward the door-end side vertical frame 14 at the entrance / exit side upper end of the inspection-side middle frame protrusion 32 via the stopper mounting seat 81. The fully-opening roller 84 attached to the elastic stopper piece 82 attached with the connecting screw 820 and the connecting screw 710 via the fully-opening roller holding member 83 on the inspection side of the option member mounting seat 201 on the door end side. It is made up of.
The elastic stopper 82 is made of an elastic body (plate spring material) in which a roller locking protrusion 821 that protrudes in a mountain shape upward is formed at the door end side end, and moves to the door pocket side when the sliding door 6 is opened. The fully opening roller 84 passes over the roller locking projection 821 against the elasticity of the elastic stopper 82, and the sliding door 6 is fully opened in a state where the sliding door 6 is located on the door pocket side. When the holding force of the fully opening roller 84 due to the elasticity of the elastic stopper 82 (roller locking protrusion 821) is increased, the fully open posture of the sliding door 6 is maintained.

On the other hand, if the holding force in the fully open position is too strong compared to the self-closing force, the manual initial closing force when the sliding door 6 is closed from the fully open position of the sliding door 6 (the fully opening roller 84 causes the roller locking protrusion 821 to (Force to get over in the direction of the door end side vertical frame 14) becomes too large.
Therefore, in order to achieve a delicate balance between the self-closing force and the holding force, the option member mounting seat 201 is formed with long mounting holes 220 and 220 in the vertical direction, and the fully opening roller holding member 83 is mounted in the vertical direction. By making the position adjustable, the mounting height of the fully opening roller 84 can be adjusted, and the holding force of the fully opening roller 84 by the so-called roller locking protrusion 821 can be adjusted by pressing the elastic stopper 82 from above. .

As shown in FIGS. 4 and 10, the brake device includes a brake operation projecting piece 91 that is screwed to a door end side end portion of the hanging fitting 61 on the door bottom side and protrudes toward the fixed side, and an entrance / exit side The air cylinder (adjusting part of the brake device) 92 is connected to the lower surface of the lower end protruding wall 54 of the rail member 5 from below by screwing.
Note that the effect of the brake device including the air cylinder 92 (the adjusting portion of the brake device) and the brake operation protrusion 91 is the effect of the piston cylinder and the mounting bracket of the shock absorber described in JP-A-08-177305. Since it is the same as the effect, detailed description is omitted.

That is, in the brake device, after the fully open stopper device is attached in a state where the sliding door 6 is suspended from the rail member 5 via the hanging metal fitting 61, the brake operating protrusion 91 is attached to the door bottom side hanging metal fitting. 61, the sliding door 6 is opened, the lower end portion of the inspection side rammer base panel 7 and the fixed side rammer base panel 19 is opened, and the lower end protruding wall 54 on the entrance / exit side of the rail member 5 is faced upward. Next, the air cylinder 92 (adjustment part of the brake device) is inserted from below between the inspection side rammer base panel 7 and the fixed side rammer base panel 19, and is connected to the lower surface of the lower end protruding wall 54 at a predetermined position with a connecting screw from below Link.
Then, the closing speed is adjusted by the driver from the inspection side.

After all the adjustments are made, the insertion protrusion 741 of the inspection-side closing plate 74 is connected to the lower surface of the board-side lower protrusion 721 and the upper end surfaces of the gap blocking walls 702 and 702 of the protrusion connection seats 70 and 70. The inspection side closing surface portion 742 is screwed and connected to the projecting portion connecting seats 70, 70 from the lower surface, and the sliding door holding portion (lifting bolt 65...) Facing the inspection side, a fully open stopper device, a brake. All devices are hidden.

Next, a second embodiment will be described with reference to FIG.
In the second embodiment, the sliding door frame 1, the inspection side inner frame 3, the fixed side inner frame 30, the base frame 4, the sliding door 6, the inspection side rammer base panel 7, the fixed side rammer base panel, excluding the rail member 5 and the brake device. 19, the inspection side makeup protrusion 73 etc. are comprised similarly to the sliding door apparatus of a 1st example.
As shown in FIG. 11, the rail member 5 according to the second embodiment includes a fixed side connection wall 51 connected to the inspection side surface of the fixed side wall 153 of the upper frame 15 by a connection bolt, and a lower end portion of the fixed side connection wall 51. The sliding door support wall 52 having a rail 53 protruding upward at the inspection side end portion is formed into an approximately L shape by extrusion molding of aluminum material, and the door end side is lowered over the door pocket side and the doorway side. It is connected to the frame 15.

As shown in FIG. 11, the brake device of the second embodiment includes a brake operation protrusion 91 that is screwed and connected to the door end side end of the hanging fitting 61 on the door bottom side and protrudes toward the fixed side, An adjusting portion mounting seat 921 having a lower end projecting downward is constituted by an air cylinder 92 (an adjusting portion of a brake device) connected to an opening / closing side end.
That is, in the brake device of the second embodiment, after the sliding door 6 is suspended from the rail member 5 via the hanging metal fitting 61, the fully open stopper device is attached, and then the brake operation protrusion 91 is attached to the door bottom. Of the adjusting portion mounting seat 921 so that the air cylinder (the adjusting portion of the brake device) 92 is positioned below the rail member 5 and above the sliding door 6. The lower end portion is screwed to the lower end portion of the fixed side wall 153 of the upper frame 15 from the inspection side.
Then, the closing speed is adjusted by the driver from the inspection side.

After all the adjustments are made, the insertion protrusion 741 of the inspection-side closing plate 74 is connected to the lower surface of the board-side lower protrusion 721 and the upper end surfaces of the gap blocking walls 702 and 702 of the protrusion connection seats 70 and 70. The inspection side closing surface portion 742 is screwed and connected to the protrusion connection seats 70, 70 from the lower surface, and the inspection side decorative protrusion 73 is formed at the upper part of the entrance and exit, and the sliding door holding portion (raising) facing the inspection side. The set bolt 65..., The fully open stopper device, and the brake device are all hidden.

The front view from the inspection side (indoor side) of 1st Example of this invention Front view from the inspection side (indoor side) of the first embodiment of the present invention with the decorative board and the inspection side base panel removed. AA line enlarged cross-sectional view of FIG. Fig. 1 is a magnified cross-sectional view along line BB in Fig. 1. Fig. 1 is an enlarged cross-sectional view of line CC The DD sectional view of FIG. Expanded cross-sectional view of the inspection-side makeup protrusion Perspective view of protrusion connection seat Enlarged view of the vicinity of the top edge of the door side vertical frame in Fig. 2 Enlarged view of the vicinity of the upper end of the inspection-side middle frame in Fig. 2 The principal part expanded sectional view of 2nd Example

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sliding door frame 11 Steel frame 13 Door bottom side vertical frame 14 Door tip side vertical frame 15 Upper frame 155 Fixed side makeup protrusion 100 Dressing board 3 Inspection side (indoor side) middle frame 30 Fixed side (outdoor side) middle frame
4 Underground rail 5 Rail member 6 Sliding door 65 Lifting bolt (holding part of sliding door)
7 Inspection side rammer base panel 72 Substrate 721 Substrate side lower projection 73 Inspection side decorative projection 74 Inspection side blocking plate 741 Insertion protrusion 742 Inspection side blocking surface portion 92 Air cylinder (Brake device adjustment unit)

Claims (3)

A rail member is disposed on a sliding door frame that is formed in a gate shape from the door side vertical frame, door bottom side vertical frame, and upper frame and is fixed to the steel frame on the building side. A decorative board that is suspended and the side where the sliding door is located in the closed state is the entrance / exit side, the side where the sliding door is located in the open state is the door pocket side, and the surface other than the entrance / exit is substantially flush with the wall surface In the sliding door device, the inspection-side decorative protrusion and the fixed-side decorative protrusion are formed at the upper end of the entrance and exit, and the inspection-side decorative protrusion is formed at the lower edge of the inspection-side decorative board. Consists of a board-side lower protrusion with a substantially U-shaped cross-section formed at the lower end of the inspection-side rammer base panel that conceals the lower surface, and an inspection-side blocking plate that is detachably attached to the lower side of the substrate-side lower protrusion, The inspection side obstruction plate is the door end side vertical frame and the inspection side middle frame at the upper end entrance / exit side inner surface A fitting piece to be fitted from the inspection side between the lower surface of the mounted projection connecting seat and the lower projection on the board side, and a generally upward U-shape with the lower surface screwed to the projection connecting seat, protruding toward the sliding door side It is composed of an inspection side blocking plate that closes the inspection side at the upper part of the entrance, and with the inspection side blocking plate removed, the sliding door can be attached and removed from the entrance side, and the sliding door is attached to the rail member, A sliding door device characterized in that it is positioned between the rail member and the upper end surface of the sliding door so that the adjusting portion of the brake device can be attached. The sliding door device according to claim 1, wherein the adjusting portion of the brake device is connected to the lower surface of the rail member from below. 2. The sliding door device according to claim 1, wherein the adjusting portion of the brake device is located between the rail member and the upper end surface of the sliding door and is connected to the upper frame from the inspection side.