JP7446175B2 - Electric arc door device - Google Patents

Description

The present invention relates to the technical field of electric arc-shaped door devices installed at entrances and exits of booths (rooms) such as toilet booths and shower booths, and furthermore, at entrances and exits such as entrances and exits of buildings and other buildings. .

Today, as door devices installed at the entrances and exits of toilet booths, etc., a door body (door body, door body) that is arc-shaped in plan view is suspended from an arc-shaped guide rail provided above the entrance. 2. Description of the Related Art A so-called arc-shaped door device is known which is of a supported hanger type and whose doorway is opened and closed by sliding the door body from side to side.
In addition, even in such an arc-shaped door device, as in the case of a normal door device with a flat door body, it is required that the door body be configured to open and close automatically using an electric opening/closing machine. may be done. However, since the door body is guided by an arcuate guide rail rather than a straight line, a transmission body (such as a transmission belt) is interlocked with the electric opening/closing machine to open and close the door body. Also, it is necessary to arrange them not simply in a straight line but in an arc along the guide rail. For this purpose, an arc-shaped guide member is provided on the door body so as to move together with the door body, a transmission body is arranged along (in contact with) the outer peripheral surface of the guide member, and the transmission body is opened and closed. By moving the door body in the left and right direction (relative movement) in conjunction with the forward and reverse drive of the machine, the door body is moved in the left and right direction together with the guide member, allowing the door body to open and close in an arc. has been proposed (for example, see Patent Document 1).

Japanese Patent Application Publication No. 9-112120

By the way, in the conventional arc-shaped door device, the transmission body provided along the guide member is pulled out via a pair of intermediate wheels (for example, an intermediate sprocket or an intermediate pulley), and the pulled-out transmission body is connected to the intermediate wheels. It is necessary to configure the structure so that the driving wheel body (for example, a driving sprocket or a driving pulley) placed outside the body in the left and right direction and the driven wheel body are suspended, and as a result, not only the driving wheel body but also the driven wheel body and the Not only does a wheel body become necessary, which increases the number of parts, but also the drive wheel body must be placed closer to the door end than the door end edge of the closed door body, making the entire device wider. As the equipment becomes larger in size, it is necessary to secure space above the opening for the larger equipment, and if such equipment cannot be secured, it is difficult to electrify it. There are problems to be solved by the present invention.

The present invention has been created with the aim of solving these problems in view of the above-mentioned circumstances. a hanger-type door body having an arc shape that opens and closes an entrance/exit portion by moving in the left and right directions guided by the guide rail, and a guide member provided on the door body along the arc locus. and a long transmission body whose left and right end edges are connected to the guide member along the outer peripheral surface of the guide member, and a drive wheel body for opening and closing the door body by moving the transmission body from side to side. In an electric arc-shaped door device comprising an electric opening/closing machine, the drive wheel body is positioned at the door end edge position when the door body is in the closed position and in the open position. This electric arc-shaped door device is characterized in that it is arranged in an area between the door tip side edge position when the door is closed.
The invention of claim 2 provides a steady rest that engages with the lower edge of the door body to prevent the door body from swinging, and the position of the edge of the door when the door body is in the closed position and the open position. 2. The electrically operated arcuate door device according to claim 1, wherein the electric arc-shaped door device is disposed in a region between the door tip side edge position when the door is opened.
The invention according to claim 3 is the electric arc-shaped door device according to claim 2, characterized in that the driving wheel body is disposed directly above the steady rest body.
The invention of claim 4 provides that the entrance/exit portion is formed by the left and right front panels of the booth surrounded by the left and right front panel bodies on the door end side and the door tail side, and the side panel bodies provided at right angles to the front panel bodies. It is an entrance/exit part formed between panel bodies, and the drive wheel body is arranged at a part opposite to the door end side edge of the door bottom side front panel and opposite to the front side edge of the side panel. 4. An electric arcuate door device according to any one of claims 1 to 3, characterized in that:

According to the invention of claim 1, when the arc-shaped door device is configured to automatically open and close using an electric opening/closing machine, the driving wheel body provided on the opening/closing machine is arranged so that the door body is in a closed position. It is placed in the area between the position of the edge of the door when it is in the open position and the position of the edge of the door when it is in the open position, resulting in a compact design with a reduced number of parts. The space can be used for electrification.
By adopting the invention of claim 2, the steady rest for steadying the lower end of the door body can also be adjusted to the position of the door end edge when the door body is in the closed position and the position when the door body is in the open position. As a result, the door body is moved and guided in the same area above and below, making it more stable. It can be opened and closed in the closed state.
According to the invention of claim 3, the drive wheel body is further placed directly above the steady rest body, so that the driving position of the door body and the steady rest position are the same vertically, resulting in a more stable state. Can be moved open and closed.
According to the invention of claim 4, when the entrance/exit part is an entrance/exit of a booth such as a toilet booth, the driving wheel body faces the end edge of the door end side front panel, and the side panel The opening/closing machine can be placed in the area facing the front edge of the front panel, making it possible to use the corner of the front panel body and side panel body, contributing to compactness. It will be possible.

It is a front view of a toilet booth. FIG. 3 is a plan view of the toilet booth with the door body in a closed position. FIG. 3 is a plan view of the toilet booth with the door body in an open position. FIG. 3 is a vertical cross-sectional view of the toilet booth. FIG. 3 is a plan view of the opening/closing machine installation site with the door body in a closed position. FIG. 3 is a plan view of the opening/closing machine installation site with the door body in an open position. It is a longitudinal cross-sectional view of the opening/closing machine installation site. It is a longitudinal cross-sectional view of a guide member connection part. (A), (B), and (C) are schematic plan views showing states in which the door body is in a closed position, a partially opened position, and an open position. It is a top view which shows the arrangement|positioning state of a drive sprocket and a steady rest body.

Embodiments of the present invention will be described below based on the drawings. In the drawing, reference numeral 1 denotes a toilet booth, and a plurality of toilet booths 1 are installed adjacent to each other on the left and right, and there is an entrance/exit part on the front side (front side) to form an entrance/exit part (opening part) E. The front panel bodies 2 and 3 on the door edge side and the door tail side are erected from the floor surface F with a left and right gap as shown in FIG. The partition is formed by providing a side (depth) panel body 4 that partitions between these front panel bodies 2 and 3 and a side wall W of the frame such as the wall at the far end of the toilet booth. is also the same as before. Incidentally, in such a booth, one or both of the side panels may be constructed as a frame surface such as a wall, and these may be implemented as appropriate. In addition, T is a toilet bowl provided in the toilet booth 1, and P is a panel body located on the upper front side of the entrance/exit portion E.

Reference numeral 5 denotes a hanger-type door body (door body, door body) having an arcuate shape in plan view, and a hanger is provided at the upper left and right edges of the door body 5 so as to protrude upward through a connecting fitting 6a. A roller (hanging roller) 6 is provided, and the hanger roller 6 is rolled and guided by a guide rail (hanger rail, guide rail) 7 provided in the upper part of the toilet booth 1, so that the door body 5 is of a hanger type. It belongs to
The guide rail 7 has an arcuate movement locus in accordance with the arcuate shape of the door body 5, and is disposed above the doorway section E on the doorside front panel disposed at the edge of the doorway section E. It has an arcuate shape so that it enters into the toilet booth 1 from two parts of the body, beyond the three parts of the front panel on the bottom side of the door, and along the side panel part 4 on the bottom side of the door. In this embodiment, the guide rail 7 is provided with four first to fourth support brackets (of the present invention) at the upper ends of the left and right front panel bodies 2 and 3 and the side panel body 4 on the door end side. (corresponds to a "support member") 7a, 7b, 7c, and 7d so that they are connected to each other so that they are provided on the frame side.

With this configuration, the door body 5 slides in the left-right direction along an arc locus as the hanger roller 6 rolls on the guide rail 7 in the left-right horizontal direction, and the door body 5 slides in the left-right direction along an arcuate trajectory. It is designed to change into a closed position in which it is closed, and an open position in which it enters the toilet booth 1 at the end of the door and opens the doorway E.
In this case, each edge of the door body 5, the door end side edge 5a when it is in the closed position, and the door end side end edge 5b when it is in the open position, are both at the door end. It is set to be located at a location close to the side front panel body 3.
More specifically, the end edge 5a of the door body 5 when the door body 5 is in the closed position and the edge 5b of the door body 5 on the door end side when the door body 5 is in the open position. , both of which are set to face the edge of the door end side front panel body 3 on the door end side and to face the front end edge of the side panel body 4 on the door end side, but in the closed position. The door bottom edge 5a in this case is located on the door bottom side with respect to the door tip side edge 5b in the open position. With this configuration, as shown in FIGS. 9 and 10, the position of the door end side edge 5a when the door body 5 is in the closed position and the door end side edge when the door body 5 is in the open position. The area X between the part 5b position is an area on the opening/closing movement (movement locus) of the door body 5, and the door body 5 is always located (exists) regardless of the opening/closing operation of the door body 5. This constitutes a closed area (overlap area) X that is always closed by the door body 5.

In this case, there is a gap S between the guide rail 7 and the ceiling surface H, and a member device for electrically opening and closing the door body 5 using this gap S is arranged. These will be explained in detail below. Incidentally, of the member devices including the guide rail 7, those disposed above the entrance/exit portion E are covered by the panel body P and are not visible from the front.

Reference numeral 8 denotes a guide member provided on the door body 5, and the guide member 8 is constructed using a plate-shaped body curved in an arc shape along the arc locus of the guide rail 7. It is connected to the upper end of the door body 5 via a connecting member 9.
Specifically, the first connecting member 9 is disposed so as to extend upward and downward from the guide rail 7 with a gap in the front and back direction on the inner peripheral side of the arc. , the lower end of the first connecting member 9 is attached to the upper end of the arcuate inner peripheral side surface 5c of the door body 5 via a screw 9a, and the guide member 8 is attached to the upper end via a screw 9b. In this way, the guide member 8 attached to the inner circumferential side of the arc of the guide rail 7 via the first connecting member 9 is biased upward and towards the inner circumferential side of the arc than the guide rail 7 (depending on the thickness of the door body 5). It is set to be arranged at a position that is offset toward the inner circumferential side of the arc with respect to the center of the width (or the center of the longitudinal width of the guide rail 7).

Further, the guide member 8 has a door end edge that does not reach the door end edge 5b of the door body 5, but a door end edge 5a of the door body 5. The length is set to extend in an arc shape toward the door end.
A transmission belt (toothed belt) 10, which corresponds to the "transmission body" of the present invention, is disposed on both left and right edges of the guide member 8 so as to run along (opposing) the outer circumferential surface 8a of the guide member 8. Both left and right edge portions are attached to both left and right edge portions of the guide member 8 via a holder 11 . In this case, the transmission belt 10 is a toothed belt provided with a toothed portion 10a, and is in a state where the toothed portion 10a faces the outer circumferential surface 8a of the guide member 8, and is not in a tensioned state with respect to the outer circumferential surface 8a. , is attached in a loose state so as to be suspended around the drive wheel body 13, as will be described later. In addition, in the figure, 11b is a screw for attaching the holder 11 to the guide member 8.

On the other hand, 12 is an electric opening/closing machine, and the opening/closing machine 12 has a pair of front and rear (door end side, door end side) so as to be located above the guide rail 7 at a position above the guide member 8. It is attached to the guide rail 7 via two connecting members 13 and 14, and a tooth portion 15a is provided between the switch 12 and the guide rail 7 so as to protrude downward from the switch 12. A space for arranging a drive sprocket 15 (corresponding to the "drive wheel body" of the present invention) with teeth is secured.

Next, a configuration in which the opening/closing machine 12 is attached using the second connecting members 13 and 14 will be specifically explained. is L-shaped, and the lower piece 13a is fixed to the upper surface of the guide rail 7 (specifically, the center part in the width direction of the guide rail 7) via a bolt 13b, and the vertical piece 13c is fixed to the guide rail 7 through a bolt 13b. It is arranged in an upright manner on the outside of the arc (outer circumferential side) of the rail 7, and a mounting bracket 12a provided on the switch 12 is fixed to the vertical piece 13c via a screw 12d. By doing so, the door end side edge portion of the opening/closing device 12 is attached to the guide rail 7 on the arcuate outer circumferential side of the guide rail 7 via the second connecting member 13.

On the other hand, the second connecting member 14 on the door end side also adopts the same connecting structure as the second connecting member 13 on the door end side (the shape differs depending on the connecting part), but the above-mentioned Regarding the second connecting member 13 on the door end side, a second support bracket is provided between the second connecting member lower piece 13a and the guide rail 7 for supporting the guide rail 7 on the door end side front panel body 3. 7b is fixed in a sandwiched state, and in this way, the opening/closing machine 12 is also fixed to the door end side front panel body 3, which is a frame side member, via the support bracket 7b. It is configured to be supported.
On the other hand, the second connecting member 14 on the door end side is attached only to the guide rail 7 and is not supported by the support bracket, which is different from the second connecting member 13 on the door end side. The opening/closing machine 12 is installed in the configuration. Of course, the second connecting member 14 on the door end side may also be configured to be attached to the third support bracket 7c for attaching the guide rail 7 to the side panel body 4.

By being installed in this way, the opening/closing machine 12 is located above (directly above) the guide rail 7 at the corner of the front panel body 3 and side panel body 4 on the door end side, and is located inside the booth 1. They are installed in an inclined manner.
The driving sprocket 15 provided to protrude downward from the opening/closing machine 12 is disposed in a corner-shaped space between the upper opening/closing machine 12 and the lower guide rail 7. The arrangement position is in the area It is configured to be within the range of

Further, the transmission belt 10 is suspended around the drive sprocket 15 provided in the opening/closing machine 12, but in this case, the transmission belt 10 is attached to a portion of the drive sprocket 15 opposite to the guide member 8, that is, a guide member 8 of the drive sprocket 15. The transmission belt 10 is suspended tangentially to both the left and right sides of the rail 7 on the outer peripheral side of the arc, with the teeth 10a and 15a meshing with each other.
When the opening/closing machine 12 is driven and the driving sprocket 15 rotates in the forward and reverse directions, the power transmission belt 10 moves in the left and right direction while maintaining the tangential state. The drive sprocket 15 is configured to move relative to the door body 5 in the left and right directions, thereby opening and closing the door body 5 in the left and right directions.

Further, in this case, a double-shaped groove 5d is formed at the lower edge of the door body 5, and a mounting bracket 16a is attached to the lower edge of the door end side front panel body 3 in the groove 5d. The attached steady rest body 16 is loosely fitted and is configured to prevent the lower end of the door body 5 from steadying, but the steady rest body 16, like the drive sprocket 15, It is arranged in a region In this embodiment, the driving sprocket 15 is located directly above the steady rest 16.

Furthermore, this device is provided with a control section 17 for executing opening/closing drive control of the opening/closing machine 12. In this embodiment, the control section 17 is provided with a guide rail on the side panel body 4 on the door end side. It is configured to be attached to the third and fourth support brackets 7c and 7d for supporting the control unit 7 while being placed on the upper surfaces of the third and fourth support brackets 7c and 7d. 17 is configured such that it can be mounted by effectively utilizing the space between the side panel 4 and the guide rail 7.

In this embodiment configured as described above, the electric arc-shaped door device includes a guide rail 7 that is provided above the entrance/exit portion E and guides movement along the arc trajectory, and A hanger-type door body 5 having an arc shape that opens and closes the entrance/exit portion E by being guided and moved in the left and right direction, a guide member 8 provided on the door body 5 along the arc locus, and the guide member 8 A long power transmission belt 10 whose left and right end edges are connected to a guide member 8 along the outer peripheral surface of the door body 5 is provided, and a drive sprocket 15 for opening and closing the door body 5 by moving the power transmission belt 10 from side to side. In this case, the driving sprocket 15 is configured to have a position of the door end edge 5a when the door body 5 is in the closed position and an open position of the door body 5. This can be done by placing it in the area X between the position of the door edge 5b when the door is in the posture, resulting in a compact product with a reduced number of parts, making it possible to electrify even in a narrow space. be able to.
Moreover, in this case, the drive sprocket 15, which is provided in the opening/closing machine 12 and around which the transmission belt 10 is directly suspended in order to move the transmission belt 10 from side to side, is configured to move the door when the door body 5 is in the closed position. As a result, the driving sprocket 15 is disposed in the region X directly above the guide rail 7 between the position of the rear edge 5a and the position of the edge 5b of the door in the open position. , the door body 5 is placed at the intermediate position of the guide rail 7, which is located directly above the door body 5 during the entire movement from the closed position to the open position, and as a result, the door body 5 can be opened and closed. Since the traction force during movement is equalized, the door body 5 can be smoothly opened and closed.

Furthermore, in this case, the steady rest body 16 that engages with the groove 5d provided in the lower edge of the door body 5 to prevent steady movement at the lower part of the door body 5, prevents the door body 5 from being in the closed position. Since the door body 5 is disposed in the region The opening/closing movement is pulled (driven) and stabilized in the same area X above and below the sprocket 15, so that the door body 5 can be opened/closed more stably.
Furthermore, in this case, the driving sprocket 15 is arranged directly above the steady rest body 16, and as a result of the vertical alignment, the traction (driving) position of the door body 5 and the steady rest position are at the same vertical position. As a result, it can be opened and closed in an even more stable state.

Further, in this case, the entrance/exit part E is formed between the left and right front panels of the toilet booth 1, which is surrounded by the left and right front panels 2 and 3 on the door end side and the door end side, and the side panel body 4 in a rectangular shape. The drive sprocket 15 is disposed at a location opposite to the edge of the door end side front panel 3 and opposite to the front edge of the side panel 4. The opening/closing machine 12 provided with the driving sprocket 15 can be arranged using the corner portions of the front panel body 3 and the side panel body 4, contributing to compactness.

INDUSTRIAL APPLICATION This invention can be utilized for the electric arcuate door apparatus built in the entrance and exit of booths (rooms), such as a toilet booth and a shower booth, and also the entrance and exit of buildings, such as a building.

1 Toilet booth 5 Door body 5a Door end edge 5b Door tip edge 7 Guide rail 8 Guide member 10 Transmission belt 12 Opener 15 Drive sprocket 16 Steady rest 17 Control unit E Entrance/exit area

Claims (4)

A guide rail that is provided above the doorway and guides movement along an arcuate trajectory, and an arc-shaped hanger-type door body that opens and closes the doorway by moving left and right while being guided by the guide rail. , a guide member provided on the door body along the circular arc locus, an elongated power transmission body whose left and right end edges are connected to the guide member along the outer peripheral surface of the guide member, and a long power transmission body that connects the power transmission body to the left and right sides. An electric arc-shaped door device comprising an electric opening/closing machine provided with a driving wheel body for moving the door body to open and close the door body,
The driving wheel body is arranged in an area between the edge position on the door tail side when the door body is in the closed position and the edge position on the door tip side when the door body is in the open position. Electric arc-shaped door device. A steady rest that engages with the lower edge of the door body to prevent the door body from steadying is placed between the door end edge position when the door body is in the closed position and the door edge when the door body is in the open position. 2. The electrically operated arcuate door device according to claim 1, wherein the electric arcuate door device is disposed in a region between the side edge portion and the side edge portion. 3. The electric arc-shaped door device according to claim 2, wherein the drive wheel body is disposed directly above the steady rest body. The entrance/exit section is formed between the left and right front panels of the booth, which are surrounded by the left and right front panels on the door end side and the door end side, and the side panel bodies provided at right angles to the front panel bodies. Claim 1, which is an entrance/exit part, and the driving wheel body is disposed at a part opposite to the edge of the door end side front panel and opposite to the front edge of the side panel. 4. The electric arc-shaped door device according to any one of 3 to 3.

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