JP2016061049A - Opening/closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening/closing device that facilitates assembly work for a shutter curtain and a winding part, as well as protection and maintenance of components disposed on the winding part and subject to maintenance work.SOLUTION: A winding part 6 includes a mounting part 64 for a component subject to maintenance and a component 65 subject to maintenance placed on the mounting part for a component subject to maintenance, the mounting part being disposed between a wheel on a first side at the first side of a rotary central shaft 61 and a wheel on a second side at the second side of the rotary central shaft. An opening/closing body 4 wound by the winding part includes a connecting part 30 connected to a wheel 62, a slat part (opening/closing part) 10, and a sheet member 40 having one end connected to the connecting part and the other end connected to the slat part. The sheet member 40 covers the mounting part for a component subject to maintenance when the slat part totally closes an opening 13, and forms an opening 80 for maintenance work by rotating the wheel in a direction to feed out the opening/closing body further from the totally closed state of the opening/closing body.SELECTED DRAWING: Figure 4

Description

  The present invention relates to an opening / closing device that facilitates protection of a maintenance target part and maintenance work of a maintenance target part provided in a winding unit that winds the opening / closing body.

A shutter device as an opening / closing device includes a winding unit for winding a shutter curtain as an opening / closing body. The winding unit has a fixed shaft whose both ends are fixed to the building frame via brackets or the like, and is located at least near both ends of the fixed shaft and is rotatable with respect to the fixed shaft. Wheel is arranged. In a region between the two wheels in the winding unit, a spring for assisting the rotation of each wheel, or a maintenance target component such as a motor and a motor control panel is installed.
2. Description of the Related Art Conventionally, there is known a shutter device including a covering material that protects a maintenance target component provided in the winding unit and enables maintenance work of the maintenance target component (see, for example, Patent Documents 1 and 2).

JP 2002-235486 A Japanese Patent Laid-Open No. 11-81832

However, in the conventional switchgear, since the covering material and the shutter curtain are separate members, in the assembling work for assembling the shutter curtain and the winding part, the covering material is thermally contracted as an operation for covering the winding part with the covering material. It is necessary to perform a work for attaching the shutter curtain to the winding unit after performing the work, and the assembly work is complicated and the work time is increased, thereby increasing the work cost. There was concern.
The present invention facilitates the assembly work for assembling the shutter curtain and the winding unit, as well as the opening and closing of the maintenance target component provided in the winding unit for winding the opening and closing body and the maintenance operation of the maintenance target component. Providing equipment.

An opening / closing device according to the present invention includes a winding part and an opening / closing body attached to the winding part so as to be able to wind and steer to open and close the opening of the building. A rotation center axis supported by the building's housing, a plurality of wheels provided at least at both ends of the rotation center axis so as to be rotatable about the rotation center axis as a rotation center, and provided on one end side of the rotation center axis Opening / closing provided with a maintenance target component installation part that is an area between the one end side wheel and the other end side wheel provided on the other end side of the rotation center shaft, and a maintenance target part installed in the maintenance target part installation part In the apparatus, the opening / closing body includes a connecting part connected to the plurality of wheels of the winding part, an opening / closing part that opens and closes the opening of the building, one end connected to the connecting part, and the other end connected to the opening / closing part. A sheet-like member and a sheet The member covers the maintenance target component installation part when the opening and closing part is in a state where the opening of the building is fully closed, and the wheel is further extended in the direction in which the opening and closing part is further extended from when the opening and closing part is fully closed. It is characterized in that it is configured to form an opening for maintenance work necessary for maintaining the maintenance target part in the maintenance target part installation part by rotating.
Further, the sheet-like member covers the maintenance target component installation portion by forming a cylinder connecting the outer peripheral surface of the one end side wheel and the outer peripheral surface of the other end side wheel when the opening / closing body is fully closed.
Furthermore, the thickness dimension of a sheet-like member is smaller than the thickness dimension of an opening / closing part, It is characterized by the above-mentioned.

According to the opening and closing apparatus according to the present invention, the sheet-like member covers the maintenance target component installation portion when the opening and closing body is fully closed, and further rotates the wheel in a direction in which the opening and closing body is further extended from when the opening and closing body is fully closed. As a result, the opening for maintenance work is formed, so that the assembly work for assembling the opening and closing body and the winding part can be facilitated, the protection of the maintenance target part provided in the winding part for winding the opening and closing body, and the maintenance target part The switchgear facilitates maintenance work.
Also, since the sheet-like member forms a cylinder that connects the outer peripheral surface of the one end side wheel and the outer peripheral surface of the other end side wheel when the opening / closing body is fully closed, the maintenance target component installation portion is installed. It is possible to reliably protect the maintenance target parts installed in the section.
Furthermore, since the thickness dimension of the sheet-like member is smaller than the thickness dimension of the opening / closing portion, the winding diameter wound around the winding portion when the opening / closing body is fully opened can be reduced, and the size of the case that accommodates the opening / closing body can be reduced. The default case can be used without change.

The perspective view of a shutter apparatus. The rear view which shows the shutter curtain attached to the winding part and the winding part. The perspective view which shows the shutter curtain attached to the winding part and the winding part. (A) is sectional drawing which shows the state at the time of shutter curtain fully closed, (b) is sectional drawing which shows the state of the shutter curtain at the time of a maintenance work.

  As shown in FIG. 1, a shutter device 1 as an example of an opening / closing device according to an embodiment includes a case 2 as an example of an opening / closing body housing case, an opening / closing mechanism, a shutter curtain 4 as an example of an opening / closing body, and a guide rail. 5.

The case 2 is attached to a housing 14 as an attachment portion for a stud, a beam and the like located above an opening 13 such as an entrance / exit formed in a building, and rotatably accommodates a winding portion 6 for winding the shutter curtain 4. In addition, it is configured to form an accommodating space for accommodating the shutter curtain 4 wound around the winding unit 6.
That is, the case 2 is configured to include an accommodating space that is provided above the opening 13 formed in the building and accommodates the shutter curtain 4.

  The opening / closing mechanism provided in the case 2 includes a winding unit 6 that winds up the shutter curtain 4, and an opening / closing drive unit that rotates the winding unit 6 around the rotation center line 6 a of the winding unit 6.

In the case of an electric shutter device, the opening / closing drive means is a motor (not shown) serving as a drive source for rotating the winding unit 6 in the winding direction and the feeding direction, and the rotational force of the motor is not shown in the figure. And a power transmission mechanism such as a gear transmission mechanism.
Further, in the case of a manual shutter device, the opening / closing drive means is a power transmission means such as a spring (not shown) that assists the rotation of the wheel 62 and a pulley that transmits the rotational force stored in the spring to the winding unit 6. Etc.

  As shown in FIG. 2, the winding unit 6 includes a rotation center shaft 61, a plurality of wheels 62 provided on at least both ends of the rotation center shaft 61, a connecting rod 63 that connects the plurality of wheels 62, A maintenance target component installation unit 64 in which the maintenance target component 65 is installed and a maintenance target component 65 installed in the maintenance target component installation unit 64 are configured.

  The wheel 62 is configured to include a central through hole 66 for allowing the rotation center shaft to pass through a central portion of a disk having a diameter larger than that of the circular rod-shaped rotation center shaft 61. In the case of a manual shutter device, for example, the wheel 62 is provided at three locations (one at both ends of the rotation center shaft 61 and the center side of the rotation center shaft 61). Are provided, for example, at four locations (two on both ends of the rotation center shaft 61 and on the center side of the rotation center shaft 61).

When the rotation center shaft 61 passes through the central through hole 66 of the wheel 62 and the wheel 62 is provided on the rotation center shaft 61 so as to be rotatable about the rotation center shaft 61, both ends of the rotation center shaft 61 are Each is fixed to brackets 2S; 2S.
When the rotation center shaft 61 passes through the central through hole 66 of the wheel 62 and the wheel 62 is fixed to the rotation center shaft 61, both ends of the rotation center shaft 61 are rotatably supported by the brackets 2S and 2S, respectively. Is done.
The brackets 2S; 2S constitute an end plate of the case 2, and the brackets 2S; 2S are fixed to the housing 14. Therefore, both ends of the rotation center shaft 61 of the winding unit 6 are supported by the building frame 14 via the brackets 2S; 2S.

  The maintenance target component installation unit 64 is around the rotation center axis 61 between the one end side wheel 62a provided on one end side of the rotation center axis 61 and the other end side wheel 62b provided on the other end side of the rotation center axis 61. It is an area.

  The maintenance target component 65 includes a spring (not shown) that assists rotation of each wheel 62 when the manual shutter device is opened and closed, and a motorized shutter device (not shown) that rotates the winding unit 6 in the winding direction and the feeding direction. A control panel of a motor as a drive source.

  The guide rails 5; 5 are members for guiding side edges (both left and right ends) of the shutter curtain 4 that opens and closes the opening 13, and the left and right directions (opening) with respect to the rectangular center of the opening 13. The guide groove 5 a is provided so as to stand upright at the left end; right end of the opening 13 and extend in the vertical direction of the opening 13. The left and right side edges 4a; 4a of the slat portion 10 in the shutter curtain 4 are guided in the vertical direction, which is the opening / closing direction of the shutter curtain 4, via the guide grooves 5a; Thus, the shutter curtain 4 moves up and down to open and close the opening 13. That is, when the shutter curtain 4 of the shutter device 1 is wound around the winding unit 6, the opening 13 of the building is opened, and when the shutter curtain 4 is drawn out from the winding unit 6, the opening 13 is closed.

  The shutter curtain 4 includes a slat portion 10, a seat plate 20, a connecting portion 30, and a sheet-like member 40. The slat part 10 and the seat plate 20 function as an opening / closing part that opens and closes the opening 13 of the building.

As shown in FIG. 1, the slat portion 10 is formed by a plurality of slat members 11. The slat member 11 is formed by a long member that is long in the direction along the rotation center line 6 a of the winding portion 6.
The slat portions 10 have both longitudinal ends of adjacent slat members 11 such that the plurality of slat members 11 are continuous in a direction orthogonal to the longitudinal direction of the slat members 11 (the direction along the long side of the slat members 11). The long sides are aligned with each other by the engaging portions 12; 12 (see FIG. 3), and are formed in a rectangular plate shape that can be bent at the connecting portion.

  The seat plate 20 is connected to the long side of the slat member 11 located at the other end (lower end) of the slat portion 10. The seat plate 20 is formed of a long member having a substantially inverted T-shaped cross section perpendicular to the longitudinal direction.

  As shown in FIG. 2; FIG. 3, the connecting portion 30 is provided so as to span the outer peripheral surface 62f of the one end side wheel 62a and the outer peripheral surface 62f of the other end side wheel 62b along the rotation center axis 61. For example, it is fixed to the outer peripheral surfaces 62f of all the wheels 62 by fixing means such as bolts 70.

The sheet-like member 40 is formed of, for example, a sheet material having a thickness of several mm or less (preferably about 1 mm to 2 mm). For example, the sheet-like member 40 is formed such that the length in the longitudinal direction along the rotation center line 6a of the winding portion 6 is the same as the length in the longitudinal direction of the slat member 11, and the sheet-like member 40 is perpendicular to the longitudinal direction. The length is formed to be longer than the length of one round of the outer peripheral surface 62 f of the wheel 62.
One end of the sheet-like member 40 is connected to the connecting portion 30 by fixing means such as a rivet 71, and the other end of the sheet-like member 40 is connected to one end (upper end) of the slat portion 10 by fixing means such as a rivet 72. .
The sheet-like member 40 covers the maintenance target component installation portion 64 when the shutter curtain 4 that closes the opening 13 is fully closed, and further overruns the shutter curtain 4 that has been fully closed in the direction of feeding. If a person can form a maintenance work opening 80 (see FIG. 4B) necessary for maintenance work of the maintenance target part 65 in the maintenance target part installation part 64 from outside the maintenance target part installation part 64, the longitudinal direction The length may be longer than the length of the slat member 11 in the longitudinal direction, may be shorter than the length of the slat member 11 in the longitudinal direction, and the length in the direction perpendicular to the longitudinal direction is the outer circumference of the wheel 62. It may be formed to be the same as or shorter than the length that goes around the surface 62f. Further, if the thickness dimension of the sheet-like member 40 is smaller (thinner) than the thickness dimension of the slat portion 10, it is possible to avoid an increase in the diameter of the shutter curtain 4 wound around the winding portion 6. However, the present invention is not limited to this and is optional as long as there is no problem in use.

That is, the shutter curtain 4 is connected to a slat member 11 whose seat plate 20 is located at the other end (lower end) of the slat portion 10, and for example, a slat for connection called a question bar located at one end (upper end) of the slat portion 10. The member 11a and the other end of the sheet-like member 40 are connected, and one end of the sheet-like member 40 and the connecting portion 30 are connected.
Then, the connecting portion 30 is connected to at least the outer peripheral surface 62f of the one end side wheel 62a and the outer peripheral surface 62f of the other end side wheel 62b of the winding portion 6, and each wheel 62 rotates in the winding direction, thereby releasing the shutter. The shutter curtain 4 is unrolled so that the curtain 4 is wound around the winding portion 6 and each wheel 62 rotates in the steering direction so that the slat portion 10 of the shutter curtain 4 closes the opening 13. It will be in the state.

According to the shutter device 1 of the embodiment, as illustrated in FIG. 4A, the rotation center shaft 61 of the winding unit 6 rotates in the direction in which the shutter curtain 4 is extended, and the seat plate 20 and the floor surface of the shutter curtain 4. 21, the sheet-like member 40 goes around the outer peripheral surface 62f of the one end side wheel 62a and the outer peripheral surface 62f of the other end side wheel 62b, and is subject to maintenance. It is comprised so that the component installation part 64 may be covered. That is, when the shutter curtain 4 is fully closed, the sheet-like member 40 forms a cylinder that connects the outer peripheral surface 62f of the one end side wheel 62a and the outer peripheral surface 62f of the other end side wheel 62b, thereby forming the maintenance target component installation unit 64. Since it covers, the maintenance target component 65 installed in the maintenance target component installation unit 64 can be protected.
When the maintenance target component 65 installed in the maintenance target component installation unit 64 is to be maintained, the wheel 62 of the winding unit 6 is further rotated in the direction in which the shutter curtain 4 in the fully closed state is extended (overrun). 4 (b), the sheet-like member 40 is drawn out from the take-up portion 6 and is loosened, and the space between the wheels 62 and 62 is opened. The maintenance target component 65 in the maintenance target component installation unit 64 can be maintained through the maintenance work opening 80 (see FIG. 4B).

  That is, the sheet-like member 40 covers the maintenance target component installation portion 64 when the shutter curtain 4 is fully closed when the slat portion 10 is fully closed, and further from when the shutter curtain 4 is fully closed. A maintenance work opening 80 (see FIG. 4B) necessary for maintaining the maintenance target component 65 in the maintenance target component installation section 64 is formed by rotating the wheel 62 in the direction in which the shutter curtain 4 is extended. Configured.

According to the shutter device 1 of the embodiment, when the shutter curtain 4 is fully closed, the sheet-like member 40 covers the maintenance target component installation unit 64, so that moisture, dust, etc. in the maintenance target component installation unit 64 can be obtained. Intrusion can be prevented, and the maintenance target component 65 installed in the maintenance target component installation unit 64 can be protected.
Further, at the time of maintenance work of the maintenance target component 65, the one end side wheel 62a is rotated by rotating the wheel 62 in the direction of further extending the opening / closing body from when the shutter curtain 4 is fully closed, that is, by overrunning the wheel 62. The sheet-like member 40 that has covered the maintenance target component installation part 64 between the wheel and the other end side wheel 62b is fed out from the winding part 6, and the sheet-like member 40 is moved between the one end side wheel 62a and the other end side wheel 62b. The maintenance target opening 65 necessary for performing maintenance work on the maintenance target component 65 in the maintenance target component installation unit 64 from the outside of the maintenance target component installation unit 64 is formed by gradually removing from the space. Since the portion 64 is exposed, the maintenance target component 65 The Maintenance Manual work so easily. The maintenance work is, for example, adjustment of the number of turns of a spring (not shown) for assisting the rotation of each wheel 62, replacement of a control panel of a motor (not shown), or the like.
When the maintenance work is completed, the shutter 62 is fully closed when the sheet member 40 covers the maintenance target component installation portion 64 by rotating the wheel 62 in the winding direction and winding the sheet member 40. Return to.
Thus, according to the shutter device 1 of the embodiment, the maintenance target component 65 installed in the maintenance target component installation unit 64 is removed by the sheet-like member 40 that covers the maintenance target component installation unit 64 when the shutter curtain 4 is fully closed. It can be protected, and the maintenance work opening 65 can be formed by rotating the wheel 62 in the direction in which the shutter curtain 4 is further extended from when the shutter curtain 4 is fully closed.
And the assembly operation | work which assembles the shutter curtain 4 and the winding part 6 for building the said shutter apparatus 1 also connects the shutter curtain 4 which attached the sheet-like member 40 to the wheel 62 of the winding part 6 only. Yes, it can be done easily without any special work.
As described above, in the embodiment, the assembling work for assembling the shutter curtain 4 and the winding unit 6 can be facilitated, and the maintenance target component 65 provided in the winding unit 6 for winding the shutter curtain 4 is protected and the maintenance target is provided. The shutter device 1 that facilitates the maintenance work of the component 65 is obtained.

In the embodiment, the sheet-like member 40 of the shutter curtain 4 is wound around the take-up unit 6 about the outer periphery of the take-up unit 6. The winding diameter when fully opened increases.
Therefore, in the embodiment, as the sheet-like member 40, for example, a synthetic resin such as polyethylene terephthalate resin (PET), aluminum, or the like can be used without changing the size of the case 2 that accommodates the winding unit 6. A flexible sheet formed of a metal such as a steel plate, a mesh (mesh) sheet of carbon fiber, a cloth sheet, a reinforced paper sheet, or the like may be used, and a thin connecting portion 30 may be used.
The sheet-like member 40 may be a sheet having flexibility with a thickness dimension smaller than at least the thickness dimension of the slat member 11. Thus, if a sheet having flexibility with a thickness smaller than at least the thickness of the slat member 11 is used as the sheet-like member 40, the winding is performed when the shutter curtain 4 that opens the opening 13 is fully opened. The winding diameter wound around the take-up portion 6 can be reduced, and the prescribed case 2 can be used without changing the size of the case 2 for housing the shutter curtain 4.

  In particular, if a lightweight and flexible sheet such as a mesh sheet, a cloth sheet, a reinforced paper sheet or the like is used as the sheet-like member 40, the winding property to the winding unit 6 is improved, and the winding diameter when the shutter curtain 4 is fully opened is increased. This is preferable because it can be made smaller.

The open / close body of the open / close device to which the present invention is applied is not limited to a mode in which a plurality of so-called slats are arranged in the vertical direction as long as the open / close body is wound up, but pipes, panels, and sheet-like objects. Or the shutter curtain of the aspect formed by connecting one or more net-like things, or the shutter curtain which combined the slat, the panel, the pipe, the sheet-like thing, and the net-like thing suitably.
In addition, the opening / closing body is not only wound, but for example, the drive shaft is supported by the left and right side plates, such as a panel shutter in which a plurality of panels are suspended by a chain etc., and the opening / closing body configuration of each panel etc. Even if the members are accommodated by being folded or arranged, the sheet-like member is the maintenance target component installation section when the opening / closing body is fully closed (preferably even when the opening / closing body is moving or stopped). Maintenance to enable the operator to maintain the maintenance target part inside the maintenance target part installation part from outside the maintenance target part installation part by overrunning the fully closed state opening / closing body in the direction of extending. What is necessary is just to be comprised so that a working opening can be formed.

DESCRIPTION OF SYMBOLS 1 Shutter device (opening-closing device), 4 Shutter curtain (opening-closing body), 6 Winding part, 10 Slat part, 30 Connection part, 40 Sheet-like member, 61 Rotation center axis,
62 wheel, 62a one end side wheel, 62b other end side wheel,
64 maintenance target parts installation section, 65 maintenance target parts,
80 Opening for maintenance work.

Claims (3)

A winding part, and an opening / closing body attached to the winding part so as to be able to be wound and manipulated to open and close the opening of the building,
The winding unit includes a rotation center shaft supported at both ends by a building housing, a plurality of wheels provided at least at both ends of the rotation center shaft so as to be rotatable about the rotation center axis, and a rotation center shaft. Maintenance target component installation part that is an area between one end side wheel provided on one end side of the motor and the other end side wheel provided on the other end side of the rotation center shaft, and maintenance installed in the maintenance target part installation unit In a switchgear provided with a target part,
The opening / closing body includes a connecting portion connected to a plurality of wheels of the winding portion, an opening / closing portion that opens and closes an opening of the building, and a sheet-like member having one end connected to the connecting portion and the other end connected to the opening / closing portion. And
The sheet-like member covers the maintenance target component installation part when the opening and closing part is in a state in which the opening of the building is fully closed, and further extends the opening and closing body from the fully closed state of the opening and closing part. An opening / closing apparatus configured to form a maintenance work opening necessary for maintaining a maintenance target part in a maintenance target part installation unit by rotating a wheel.   The sheet-like member covers the maintenance target component installation portion by forming a cylinder connecting the outer peripheral surface of the one end side wheel and the outer peripheral surface of the other end side wheel when the opening / closing body is fully closed. The switchgear described in 1. The switchgear according to claim 1 or 2, wherein a thickness dimension of the sheet-like member is smaller than a thickness dimension of the switchgear.

Images