JP6084904B2 - Locking device for switchgear - Google Patents

Description

  The present invention relates to a locking device for locking an opening / closing device.

  The shutter device for opening and closing the opening provided in various buildings is generally configured so that the shutter curtain can be wound and unwound along the guide rail provided at the edge of the opening. Has been. As one of such shutter devices, a lightweight balance shutter has been widely used. This lightweight balance shutter reduces the weight of the shutter curtain and employs a balance mechanism that reduces the load when the user lifts the shutter curtain so that the user can manually wind up and unwind the shutter curtain. It is configured to be possible.

  Such a lightweight balance shutter is provided with a locking device to prevent a third party other than a legitimate user from winding up the shutter curtain and illegally entering the building. This locking device locks the shutter curtain in a fully closed state so that it cannot be wound. For example, Patent Document 1 discloses a locking device for a shutter device. This locking device is provided on the indoor side surface of the shutter curtain, and includes a main locking tool, a secondary locking tool, a connecting link, and a locking body. Then, by operating the main locking device and the auxiliary locking device, the locking body protrudes toward the guide rail via the connection link, and the end of the locking body is locked to the lock receiving device provided on the guide rail. Thus, the shutter curtain can be locked. Here, the operation with respect to the main locking device and the auxiliary locking device can be performed from the outdoor side through the unlocking device, and from the indoor side through the operation knob (thumbturn). The operation knob is provided on the indoor side surface of the main locking device and the sub-locking device, and is arranged to protrude further toward the indoor side surface than the main locking device and the sub-locking device.

JP 2003-286783 A

  However, the conventional locking device for the shutter device has room for improvement in terms of operability. That is, since the operation knob of the locking device is arranged so as to protrude further toward the indoor side surface than the main locking device and the auxiliary locking device, the shutter curtain is wound around the central shaft in a concentric multiple form. In the state, the protruding end surface of the operation knob of the locking device contacts the side surface of the shutter curtain wound further closer to the center shaft than the locking device, and scratches the side surface of the shutter curtain. There was a possibility. Therefore, in order to reduce such a possibility, conventionally, the protrusion height has been reduced as much as possible by thinning the operation knob. However, when the operation knob is thinned in this way, there is a concern that the operability when the user operates the operation knob while holding it with a finger may be reduced.

  The present invention is for solving the above-described problems in the prior art, and can improve the user operability while reducing the possibility of scratching the side surface of the shutter curtain. An object of the present invention is to provide a locking device.

  In order to solve the above-described problems and achieve the object, a locking device for an opening / closing device according to claim 1 is for locking an opening / closing device provided with an opening / closing body movably in a winding direction and an unwinding direction. Switching operation between a locking state in which the opening / closing body cannot be moved at least in the winding direction and an unlocking state in which the opening / closing body is movable in the winding direction and the unwinding direction. A locking device body, which is a locking device main body fixed to the opening / closing body along the first surface of the opening / closing body, and rotates about a rotation axis orthogonal to the first surface A locking device main body provided with possible rotating means, and a locking means that detachably engages with a locked means provided at an immovable part adjacent to the opening / closing body in a fully closed state, Locking against locking means Therefore, the rotation of the rotating means is in the locked state in which the opening / closing body is in the locked state and in the unlocked state in which the opening / closing body is in the unlocked state by releasing the locking with respect to the locked means. A locking means movable according to the state, and an operating means arranged on a surface of the locking device main body opposite to the opening / closing body, wherein the rotating means is manually rotated, Operating means for switching the opening / closing body between the locked state and the unlocked state, and the operating means is disposed along a direction parallel to the first surface, and is the rotating means. And a pair of holding portions arranged side by side along a direction parallel to the first surface, and fixed to the base portion at opposite positions with the base portion as a center. A pair of holding portions, Each of the holding portion of, and forming at softer material than the base portion, is protruded toward a side away from the opening and closing body than the base portion.

  The locking device for an opening / closing device according to claim 2 is the locking device for an opening / closing device according to claim 1, wherein each of the pair of holding portions is set to be more than the other part of the operating means. It protruded toward the side away from.

  The locking device for an opening / closing device according to claim 3 is the locking device for an opening / closing device according to claim 1 or 2, wherein the operating means is switched so that the opening / closing body is in the unlocked state. In the above, the pair of holding portions are non-projecting from the locking device main body in the direction along the first surface.

  The locking device for an opening / closing device according to claim 4 is the locking device for an opening / closing device according to claim 3, wherein the operation means is switched so that the opening / closing body is in the locked state. A pair of holding | maintenance part was made into the non-projecting shape from the said locking device main body in the direction along the said 1st surface.

  The locking device for an opening / closing device according to claim 5 is the locking device for an opening / closing device according to any one of claims 1 to 4, wherein the locking means positions the holding portion at a first position. In this state, the non-locking state is achieved, and the holding portion is positioned at a second position which is a position rotated about the rotation axis by 180 degrees with respect to the first position. It will be locked.

  The locking device for an opening / closing device according to claim 6 is the locking device for an opening / closing device according to any one of claims 1 to 5, wherein the locking device is a side surface of the base portion and is opposite to the opening / closing body. The side surface on the side was an exposed surface exposed to the outside of the operation means.

  According to the locking device for an opening / closing device according to claim 1, since each of the pair of holding portions is made of a softer material than the base portion, the holding portion opens and closes when the opening / closing body is wound up. Even if it contacts the body, the possibility of scratching the opening / closing body can be reduced. Furthermore, since each of the pair of holding portions protrudes toward the side away from the opening / closing body from the base portion, even when the base portion is formed to be thin, the pair of holding portions can be operated by holding the pair of holding portions. The means can be easily operated, and the operability of the user can be improved while reducing the possibility of scratching the side surface of the shutter curtain.

  According to the locking device for an opening / closing device according to claim 2, since each of the pair of holding portions protrudes toward the side away from the opening / closing body rather than the other portion of the operating means, the pair of holding portions Since the contact force with the opening / closing body can be evenly distributed between the two, it becomes possible to further reduce the possibility of scratching the side surface of the opening / closing body compared to the case where only one holding part is provided, It is possible to reduce the degree of wear or the like when the holding portion comes into contact with the side surface of the opening / closing body.

  According to the locking device for an opening / closing device according to claim 3, in the unlocked state, the pair of holding portions are made non-projecting from the locking device main body in the direction along the first surface. When the opened opening / closing body is wound up, it is possible to reduce the possibility that the pair of holding parts are deformed by the pair of holding parts being pressed by the opening / closing body contacting the pair of holding parts. become.

  According to the locking device for the opening / closing device according to claim 4, in the locked state, the pair of holding portions are made non-projecting from the locking device main body in the direction along the first surface. By projecting from the locking device main body, it is possible to prevent the design of the opening / closing device from being deteriorated.

  According to the locking device for an opening / closing device according to claim 5, in a state where the holding portion is positioned at the first position, the locking portion is brought into a locked state, and the holding portion is centered on the rotation axis with respect to the first position. In the state where it is positioned at the second position, which is the position rotated 180 degrees, it is in the non-locking state, so by rotating the holding part 180 degrees, the locking means is switched between the locking state and the non-locking state. As a result, it is possible to intuitively grasp the operation position of the holding unit visually, so that the operability of the holding unit for the user can be further improved. In addition, even if the locking device is in either the locked state or the unlocked state, the pair of holding portions can be arranged side by side along the horizontal direction. Further improvement is possible.

  According to the locking device for an opening / closing device according to claim 6, since the side surface of the base portion opposite to the opening / closing body is an exposed surface exposed to the outside of the operating means, When linking a part with the rotating means by caulking a part, it becomes possible to perform caulking by bringing the support base for caulking etc. into contact with the exposed surface of the base part from the outside. Thus, it is possible to prevent the manufacturing efficiency of the locking device from being lowered.

It is a front view from the indoor side of the shutter apparatus and locking device which concern on embodiment of this invention. It is the elements on larger scale near a locking device, (a) is a figure seen from the indoor side, (b) is a side view of (a), (c) is a bottom view of (a), (d) is (c). It is the figure which looked at from the outdoor side. It is the elements on larger scale of a locking device main part, (a) is the figure seen from the indoor side, (b) is a top view of (a). It is the elements on larger scale which show the internal mechanism of a locking device main body, (a) is a figure which shows a locked state, (b) is a figure which shows an unlocked state. It is a figure which illustrates an indoor side operation part, (a) is the figure seen from the indoor side, (b) is the side view of (a), (c) is the figure seen from the outdoor side. It is a partial side view of the shutter curtain in a wound state. It is explanatory drawing which illustrates the attachment method of an indoor side operation part.

  Embodiments according to the present invention will be described below in detail with reference to the accompanying drawings. However, the present invention is not limited by this embodiment.

(Overview)
Initially, the outline | summary of the locking device for switchgears concerning this Embodiment is demonstrated.

  “Opening and closing device” is a device that includes an opening and closing body that can move in the winding direction and the unwinding direction. For example, a shutter device for opening and closing an opening provided in a building, sunshade and rain protection Including awning equipment. As the shutter device, the above-described lightweight balance shutter device is mainly applicable. However, the shutter device of any other purpose, type, installation location, structure, etc. may be targeted, such as a lightweight balance shutter device. In addition to a shutter device that assumes manual opening and closing, a shutter device that can be opened and closed both manually and automatically may be targeted. Furthermore, the opening / closing direction of the shutter curtain provided in the shutter device is also arbitrary, and includes a shutter device that opens / closes the shutter curtain along the horizontal direction in addition to the shutter device that opens / closes the shutter curtain along the vertical direction. Hereinafter, in this embodiment, an example in which the present invention is applied to a lightweight balance shutter device that opens and closes a shutter curtain along a vertical direction will be described.

  The “locking device” is a device for locking the opening / closing device. The locking device makes the opening / closing body of the shutter device immovable at least in the winding direction, and the opening / closing body can be moved in the winding direction and the unwinding direction. The device can be switched to the unlocked state. Here, the “locked state in which movement in at least the winding direction is impossible” includes a state in which movement is impossible only in the winding direction and a state in which movement is impossible in both the winding direction and the unwinding direction. That is, in general, for the purpose of crime prevention, the locked state may be any state that can make the opening / closing body immovable only in the winding direction in order to prevent the opening from being opened. The opening / closing body may be movable in the unwinding direction, but may be unmovable in both the winding direction and unwinding direction. In general, the locked state is a state in which the shutter curtain in the fully closed state cannot be moved. For example, the shutter curtain in the intermediate state between the fully opened state and the fully closed state cannot be moved. It may be.

(Constitution)
Next, the structure of the locking device for the switchgear according to the present embodiment will be described. FIG. 1 is a front view from the indoor side of the shutter device and the locking device according to the present embodiment. In the following description, the X direction in FIG. 1 is the width direction, the Y direction is the height direction (+ Y direction is upward, -Y direction is downward), and the direction orthogonal to the X direction and Y direction is the inward / outward direction or thickness direction. (The direction reaching the back side of FIG. 1 is referred to as the outdoor direction, and the direction reaching the front side of FIG. 1 is referred to as the indoor direction). As shown in FIG. 1, the shutter device 10 is provided with a locking device 50.

(Configuration-Shutter device)
First, the configuration of the shutter device 10 will be described. The shutter device 10 is an opening / closing device for opening and closing an opening 1 formed on an outer wall or exterior of a building, and is an opening / closing device for partitioning an outdoor space and an indoor space from each other. The shutter device 10 is generally configured to include a shutter storage unit 20 and a shutter curtain 30. In addition, about the structure of the shutter apparatus 10, since the structure of a well-known lightweight balance shutter apparatus can be employ | adopted, only the outline | summary is demonstrated below.

(Configuration-Shutter device-Shutter housing)
The shutter storage unit 20 is a shutter storage unit that stores the shutter curtain 30 so that the shutter curtain 30 can be wound and unwound, and includes a storage case 21, a bracket 22, and a winding shaft 23. The storage case 21 is a hollow body for storing each part of the shutter device 10, and is attached to a position near the upper end of the opening 1 in the building. A massa (not shown) is formed on the lower surface of the storage case 21, and the shutter curtain 30 can be taken in and out of the storage case 21 via the massa. The bracket 22 is a support plate arranged along the vertical direction at both ends in the width direction of the storage case 21 (if necessary, in addition to both ends in the width direction, an intermediate position in the width direction, etc.). The take-up shaft 23 is a mechanism for taking up and unwinding the shutter curtain 30, and includes a center shaft 24, a plurality of wheels 25, a stay 26, and an energy storage spring 27. The center shaft 24 is a rod-like body disposed along the horizontal direction, and is fixed to the bracket 22 so as not to rotate. The plurality of wheels 25 are arranged in parallel along the longitudinal direction of the central shaft 24, are arranged concentrically with the central shaft 24, and have a bearing (not shown) with respect to the central shaft 24. It is fixed so that it can rotate through. The plurality of wheels 25 are connected to suspension slats, which will be described later, arranged at the upper end of the shutter curtain 30. The stay 26 is a rod-like body arranged in parallel with the central shaft 24, and penetrates or is connected to the plurality of wheels 25 to connect the plurality of wheels 25 to each other. The accumulator spring 27 is an elastic body that accumulates an urging force when the shutter curtain 30 is unwound, and has one end fixed to the central shaft 24 and the other end fixed to at least one of the plurality of wheels 25. ing. The accumulating spring 27 is configured to accumulate an urging force substantially corresponding to a load balanced with the weight of the unwound shutter curtain 30 as the shutter curtain 30 is unwound.

(Configuration-Shutter device-Shutter curtain)
The shutter curtain 30 is an opening / closing body that is wound or unwound around the center shaft 24 to bring the opening 1 into a fully open state, a fully closed state, or an intermediate state between these two states. . The shutter curtain 30 is configured by connecting a plurality of slats 31 arranged in parallel in the vertical direction. Each slat 31 is a metal plate formed in the shape of a horizontally long plate from steel or the like, and its width dimension substantially corresponds to the width dimension of the opening 1 (except for a suspension slat described later). The height dimension is about 5 to 10 cm. The upper and lower end portions of each slat 31 are formed as side-arc-shaped slat connecting portions 32 (shown only in FIGS. 2B and 6 to be described later). Slats 31 are rotatably connected to adjacent slats 31. Among the plurality of slats 31, the slat 31 arranged at the top is called a suspension slat (not shown), and the upper ends of the suspension slats are fixed to the plurality of wheels 25 of the winding shaft 23. Is done. In addition, a handle 33 for the user to hold the shutter curtain 30 is provided in one of the slats 31 disposed on the lower side. Further, a seat plate 34 having a side surface shape of an inverted T shape is fixed to the lower end of the slat 31 arranged at the lowermost position. In the shutter device 10 which is a lightweight balance shutter device, the thickness of the slat 31 is made thinner than the thickness of the slat 31 of the heavy-duty shutter device, so that the weight of the slat is reduced, and the user can release the shutter. The load when lifting the curtain 30 is reduced.

  The shutter curtain 30 configured as described above is movable along the guide rail 2 provided along the vertical direction at the left and right edges of the opening 1. More specifically, both end portions in the width direction of the shutter curtain 30 are inserted into the guide rails 2 provided along the vertical direction at the left and right edges of the opening 1, and the guide rails 2 in the vertical direction. The inside of the guide rail 2 is slidable and is regulated so as not to drop out of the guide rail 2 in the front-rear direction.

(Configuration-Shutter device-Operation)
The operation of the shutter device 10 configured as described above is as follows. That is, when the user holds and pulls down any part of the shutter curtain 30, the plurality of wheels 25 to which the shutter curtain 30 is connected rotate in a predetermined unwinding direction. Is unwound in the unwinding direction around the take-up shaft 23 and finally descends, and finally the opening 1 is fully closed by the shutter curtain 30. At the time of unwinding, as the shutter curtain 30 descends, a plurality of wheels 25 connected to each other by the stay 26 rotate in the unwinding direction, so that an energy storage spring having one end fixed to the wheel 25. The urging force is stored in 27. When the user holds and lifts the handle 33 or the like of the shutter curtain 30, the plurality of wheels 25 to which the shutter curtain 30 is connected rotate in a predetermined winding direction so that the shutter curtain 30 The winding shaft 23 is wound up in the winding direction around the winding shaft 23 and rises, and finally the opening 1 is fully opened. At the time of winding, the plurality of wheels 25 are urged toward the winding direction by the urging force stored in the accelerating spring 27, so that the load when the user lifts the shutter curtain 30 is reduced. .

(Configuration-Locking device)
Next, the locking device 50 of FIG. 1 will be described. 2 is a partially enlarged view of the vicinity of the locking device 50, (a) is a view seen from the indoor side, (b) is a side view of (a), (c) is a bottom view of (a), (d ) Is a view of (c) as viewed from the outdoor side. As shown in FIGS. 1 and 2, the locking device 50 is a device for locking the shutter device 10, and includes a locking device body 60, a pair of connecting portions 70, a pair of locking portions 80, an outdoor side operation portion 90, And the indoor side operation part 100 is comprised. Schematically, the locking device 50 is configured symmetrically about the locking device body 60, and the locking device body 60 is operated via the outdoor side operation unit 90 or the indoor side operation unit 100. Thus, at least the shutter curtain 30 of the shutter device 10 is wound by moving the connecting portion 70 left and right along the horizontal direction and moving the locking portion 80 left and right along the horizontal direction via the connecting portion 70. Switching operation can be performed between a locked state in which movement in the taking direction is impossible and an unlocked state in which the opening / closing body is movable in the winding direction and unwinding direction. In addition, about the structure of this locking device 50, since the structure of a well-known inner / outer lock can be employ | adopted except the structure of the indoor side operation part 100, below, about structures other than the indoor side operation part 100, Only the outline will be described.

(Configuration-Locking device-Locking device body)
The locking device main body 60 is fixed to the shutter curtain 30 along the first surface of the shutter curtain 30. Here, the “first surface” means an unlocking operation without using an unlocking tool among the two main side surfaces of the shutter curtain 30 (two side surfaces facing the space defined by the shutter curtain 30). It is a side surface on the side that allows to do. For example, when the outdoor space and the indoor space are separated from each other via the shutter device 10 as in the present embodiment, as shown in FIG. 2, the two main side surfaces are the outdoor side surface 30 a and the indoor side surface of the shutter curtain 30. 30b corresponds to the indoor side surface 30b of the shutter curtain 30 as the first surface. In the following description, it is assumed that the first surface is the indoor side surface 30b of the shutter curtain 30.

  FIG. 3 is a partially enlarged view of the locking device main body 60, where (a) is a view seen from the indoor side, and (b) is a bottom view of (a). FIG. 4 is a partially enlarged view showing the internal mechanism of the locking device main body 60, where (a) shows a locked state and (b) shows an unlocked state. In addition, in FIG.3 (b), about the outdoor side operation part 90, a decomposition | disassembly state is shown. As shown in FIGS. 3 and 4, the locking device main body 60 includes a main body case 61, a rotating body 62, a pair of operating bodies 63, and a pair of link bodies 64. The main body case 61 is accommodation means formed in a hollow rectangular box shape. The rotating body 62 is housed inside the main body case 61 and is a rotating means that can rotate around a rotation axis (virtual axis) orthogonal to the indoor side surface 30 b of the shutter curtain 30. It is rotatably fixed to the indoor side. The pair of actuating bodies 63 are housed inside the main body case 61 and are arranged so as to be symmetrical vertically and horizontally about the rotating body 62. Each actuating body 63 is formed as a plate-like body arranged along a direction parallel to the indoor side surface 30 b of the shutter curtain 30, and at one end in the longitudinal direction with respect to the non-rotation center position of the rotating body 62. Thus, it is rotatably connected via a connecting pin 65. The pair of link bodies 64 are arranged so as to extend from the inside of the main body case 61 to the outside, and are arranged so as to be symmetrical left and right about the rotating body 62. Each link body 64 is formed as a horizontally long plate-like body disposed along a direction parallel to the indoor side surface 30 b of the shutter curtain 30, and a connecting pin in the longitudinal direction of the operating body 63 at one end portion in the longitudinal direction. An end portion opposite to 65 is rotatably connected via a connecting pin 66.

  The locking device main body 60 configured as described above is connected to the surface plate 92, the shutter curtain 30, and the locking device main body 60, which will be described later, with the outdoor side surface thereof in contact with the indoor side surface 30b of the shutter curtain 30. It is fixed to the shutter curtain 30 by screws 67. Note that the specific fixing position of the locking device main body 60 on the indoor side surface 30b of the shutter curtain 30 is arbitrary, but the locking device main body 60 is a position where the user can easily operate the locking device 50 (for example, as shown in FIG. 1). Thus, it is preferable to fix to the center position of the shutter curtain 30 in the left-right direction and the position between the chest and the waist of the user having an average height in the vertical direction.

(Configuration-Locking device-Connecting part)
In FIG. 2, the pair of connecting portions 70 are connecting means for connecting the locking device main body 60 and the locking portion 80 to each other. The pair of connecting portions 70 are arranged so as to be symmetrical left and right about the locking device main body 60. Each connecting portion 70 is formed as a horizontally long rectangular parallelepiped arranged along a direction parallel to the indoor side surface 30b of the shutter curtain 30, and is supported by a fixed band 71 fixed to the shutter curtain 30 so as to be slidable to the left and right. Yes. Each connecting portion 70 is connected by an attaching screw 72 at one end portion in the longitudinal direction to an end portion on the opposite side of the operating body 63 in the longitudinal direction of the link body 64.

(Configuration-Locking device-Locking part)
The pair of locking portions 80 are locking means that are detachably locked to the locked means.

  Here, the “locked means” is means provided at a stationary part adjacent to the shutter curtain 30 in the fully closed state. The phrase “adjacent to the shutter curtain 30 in the fully closed state” means that the locking portion 80 that protrudes outside from the shutter curtain 30 is located in a range that can be locked, and the shutter in the fully closed state. In addition to the position in close contact with the curtain 30 without a gap, the position includes a position in a range where the locking portion 80 can be locked even at a position spaced from the shutter curtain 30. In addition, as long as the locking portion 80 is located in a range in which locking is possible in this manner, the direction of the immovable portion adjacent to the shutter curtain 30 is arbitrary, and the left or right side of the shutter curtain 30 is left or right. In addition to the case of being adjacent to each other, the case of being adjacent in the upward, downward, or oblique directions is included. In addition, the “non-moving part” is a part that does not move with the movement of the shutter curtain 30, and is a non-moving part fixed to the ground or the building so as not to move, or the ground or the building. Even if it is a movable part, the incompletely stationary part which moves independently from the shutter curtain 30 corresponds. Examples of the completely immovable portion include a structural material positioned around the shutter curtain 30 in the fully closed state, a ground contact surface with which the seat plate of the shutter curtain 30 in the fully closed state is in contact, or the guide rail 2 described above. Moreover, as a non-completely immovable part, the support | pillar installed removably around the shutter curtain 30 in a fully closed state corresponds, for example. Below, the case where the immobile part is the guide rail 2 and the latch receiving part 3 (illustrated only in FIG. 1) as a to-be-latched means is provided in this guide rail 2 is demonstrated. The latch receiving portion 3 is configured to include, for example, a protrusion (not shown) in a guide rail 2 in which a later-described latching claw 84 of the latching portion 80 is detachably latched.

  The pair of locking portions 80 that are locked with respect to the locking receiving portion 3 are arranged so as to be symmetrical left and right about the locking device body 60. As shown in FIG. 2, each locking part 80 includes a main body case 81 and a locking body 82. The main body case 81 is formed as a horizontally long rectangular parallelepiped arranged along a direction parallel to the indoor side surface 30 b of the shutter curtain 30, and is fixed to the shutter curtain 30 with rivets (not shown). The locking body 82 is slidably accommodated in the main body case 81 and is formed as a plate-like body arranged along a direction parallel to the indoor side surface 30 b of the shutter curtain 30. The locking body 82 is connected at one end in the longitudinal direction to an end opposite to the link body 64 in the longitudinal direction of the connecting portion 70 by a mounting screw 83. A locking claw 84 is provided at the end. The locking claw 84 is detachably locked to the locking receiving portion 3 provided on the guide rail 2 adjacent to the locking portion 80. That is, the locking claw 84 is indirectly connected to the rotating body 62 of the locking device main body 60 via the connecting portion 70 and the like, and the locking receiving portion 3 is changed according to the rotation state of the rotating body 62. The shutter curtain 30 is moved to the locked state where the shutter curtain 30 is locked by being locked, and the unlocked state where the shutter curtain 30 is unlocked by releasing the lock on the lock receiving portion 3. It is configured to be possible.

(Configuration-Locking device-Outdoor operation unit)
The outdoor side operation unit 90 is an operation means for operating the locking device 50 from the outdoor side of the shutter curtain 30, and includes a cylinder lock 91 and a surface plate 92. The cylinder lock 91 is unlocking means that can be unlocked by an unlocking tool (cylinder key), and the locking device main body 60 is inserted through a hole (not shown) formed on the outdoor side surface of the main body case 61 of the locking device main body 60. The rotating body 62 is linked. The surface plate 92 is formed as a horizontally long plate-like body arranged along a direction parallel to the outdoor side surface of the shutter curtain 30, and is fixed at a position corresponding to the locking device body 60 on the outdoor side surface. The surface plate 92 is a decorative plate provided on the outdoor side surface 30 a of the shutter curtain 30, and is attached to the shutter curtain 30 by the connection screw 67 that penetrates the surface plate 92, the shutter curtain 30, and the locking device body 60. It is fixed against.

(Configuration-Locking device-Indoor side operation unit)
The indoor side operation unit 100 is an operation means for operating the locking device 50 from the indoor side of the shutter curtain 30, and is an operation means arranged on the surface of the locking device body 60 opposite to the shutter curtain 30. This is an operating means (thumb turn) for switching the shutter curtain 30 between the locked state and the unlocked state by manually rotating the rotating body 62 of the locking device body 60. 5A and 5B are diagrams illustrating the indoor side operation unit 100, where FIG. 5A is a view seen from the indoor side, FIG. 5B is a top view of FIG. 5A, and FIG. 5C is a view seen from the outdoor side. . 5B and 5C are partially cut away. As shown in FIG. 5, the indoor side operation unit 100 includes a base unit 110 and a pair of holding units 120.

  The base portion 110 is disposed along a direction parallel to the indoor side surface 30 b of the shutter curtain 30 and is a member linked to the rotating body 62 of the locking device main body 60. More specifically, the base portion 110 includes a base portion main body 111 and a base portion linkage body 112. The base portion main body 111 is configured to include a substantially disc-shaped base portion 111a and a pair of side portions 111b fixed to the base portion 110 at a position opposed to the base portion 111a. The shutter curtain 30 is disposed at a position close to the indoor side surface of the main body case 61 of the locking device main body 60 along a direction parallel to the indoor side surface 30 b of the shutter curtain 30. The base unit linkage body 112 includes a linkage main body 112a and a plurality of (four in this embodiment) linkage claws 112b. The linkage main body 112 a is fixed to the base portion main body 111 by being embedded in the base portion main body 111. The plurality of linkage claws 112b protrude from the linkage main body 112a embedded in the base portion main body 111 toward the locking device main body 60, and are formed in holes formed on the indoor side surface of the main body case 61 of the locking device main body 60 (illustrated). Via the rotating body 62 of the locking device main body 60. In addition, this base part 110 can be comprised similarly to the operation knob in the conventional locking device, for example.

  The pair of holding portions 120 is a protection for reducing the possibility that the locking device 50 contacts the side surface of the shutter curtain 30 when the shutter curtain 30 is wound and the side surface of the shutter curtain 30 is damaged. In addition to being a means, it is an operability improving means for improving operability when the user holds and operates the indoor side operation unit 100 with a finger. The pair of holding portions 120 are juxtaposed along a direction parallel to the indoor side surface 30 b of the shutter curtain 30, and are fixed to the base portion 110 at positions facing the base portion 110. Details of the indoor side operation unit 100 including the holding unit 120 will be described later.

(Configuration-Locking device-Operation)
The operation of the locking device 50 configured in this way is as follows. That is, as shown in FIGS. 1 to 4, in a state where the opening 1 is fully closed by the shutter curtain 30, the unlocking tool (not shown) is connected to the cylinder lock of the outdoor operation unit 90 from the outdoor side of the shutter curtain 30. Rotating body 62 of locking device main body 60 can be rotated in the locking direction by inserting into 91 and rotating in the predetermined locking direction, or the unlocking tool can be inserted into cylinder lock 91 and rotated in the predetermined unlocking direction Then, the rotating body 62 of the locking device main body 60 can be rotated in the unlocking direction.

  On the other hand, from the indoor side of the shutter curtain 30, the holding unit 120 of the indoor side operation unit 100 is held, and when the holding unit 120 is rotated in a predetermined locking direction, the base unit 110 is locked along with the holding unit 120. The rotating body 62 of the locking device main body 60 linked to the linkage portion of the base portion 110 can be rotated in the locking direction. Alternatively, by holding the holding unit 120 of the indoor side operation unit 100 and rotating the holding unit 120 in a predetermined unlocking direction, the base unit 110 can be rotated in the unlocking direction along with the holding unit 120. The rotating body 62 of the locking device main body 60 linked to the base portion linkage body 112 of the base portion 110 can be rotated in the unlocking direction. The specific holding method of the holding unit by the user at the time of locking and unlocking is arbitrary. For example, when the user rotates the rotating body 62 in the clockwise direction when viewed from the indoor side, the index finger is placed on the right side. The rotating body 62 is rotated in a state where it is applied to the upper surface of the holding unit and the thumb is applied to the lower surface of the left holding unit. Conversely, when rotating the rotating body 62 in the counterclockwise direction when viewed from the indoor side, the rotating body 62 is placed with the index finger placed on the lower surface of the right holding portion and the thumb placed on the upper surface of the left holding portion. Rotate.

  When the rotating body 62 is rotated in the locking direction in this way, the pair of operating bodies 63 connected to the rotating body 62 moves in a direction away from the left and right with respect to the rotating body 62, and the pair of operating bodies A pair of link bodies 64 connected to 63 move in the direction away from the left and right along the horizontal direction with respect to the rotating body 62 (this state is shown in FIG. 4A). Then, the pair of connecting portions 70 connected to the pair of link bodies 64 move in the direction away from the left and right along the horizontal direction with respect to the rotating body 62. Further, the locking claws 84 of the pair of locking portions 80 connected to the pair of connecting members move in the direction toward the guide rail 2 adjacent to the locking portions 80, and the engagement of the guide rail 2 is increased. The retaining portion 3 is detachably locked. Thus, when the locking claw 84 is locked to the locking receiving portion 3, the shutter curtain 30 cannot move in the vertical direction, and the shutter curtain 30 can be locked.

  On the other hand, when the rotating body 62 is rotated in the unlocking direction, the pair of operating bodies 63 connected to the rotating body 62 moves in a direction approaching the rotating body 62, and the pair of operating bodies 63. The pair of link bodies 64 connected to each other moves in a direction approaching the rotating body 62 (this state is shown in FIG. 4B). Then, the pair of connecting portions 70 connected to the pair of link bodies 64 moves in the direction approaching the rotating body 62. Further, the locking claws 84 of the pair of locking portions 80 connected to the pair of connecting members move away from the guide rail 2 adjacent to the locking portion 80, and the engagement of the guide rail 2 The locked state with respect to the stopper 3 is released. Thus, in the state where the locking claw 84 is released from the locking with respect to the locking receiving portion 3, the shutter curtain 30 can be moved in the vertical direction, and the shutter curtain 30 can be unlocked.

(Configuration-Locking device-Indoor operation unit-Shape)
Next, the indoor side operation unit 100 will be described in more detail. First, the shape of the indoor side operation unit 100 will be described. In addition, regarding the shape of the indoor side operation unit 100, the shape when the indoor side operation unit 100 is viewed from the indoor side will be described as a front shape as necessary. As shown in FIG. 5, as described above, the base portion main body 111 includes a pair of base portions 111a that are substantially disk-shaped and fixed to the base portion 110 at positions facing the base portion 111a. The side part 111b is provided. Each side part 111b is formed so as to have a substantially trapezoidal front shape, similar to a holding part 120 described later. However, of the left and right side surfaces of each side portion 111b, the side surface closer to the base portion 110 has an arc shape corresponding to the outer peripheral surface of the base portion 111a, and is joined to the outer peripheral surface of the base portion 111a without a gap. Has been.

  Moreover, regarding the base part linkage body 112, the linkage body 112a is formed so that the front shape is a square shape. The linkage claws 112b protrude from the front center position of the linkage body 112a evenly vertically and horizontally, and more specifically, the upper and lower linkage claws 112b protrude in parallel in the horizontal direction. The left and right linkage claws 112b are arranged so as to protrude parallel to the vertical direction.

  Moreover, each holding | maintenance part 120 is formed so that a front shape may become a substantially trapezoid shape. That is, of the left and right side surfaces of each holding portion 120, the side surface closer to the base portion 110 has an arc shape corresponding to the outer peripheral surface of the base portion 111 a of the base portion main body 111. It is joined with no gap. The substantially trapezoidal shape of each holding portion 120 is slightly larger than the substantially trapezoidal shape of the side portion 111b of the base portion main body 111, and each such holding portion 120 is located indoors with respect to the side portion 111b. By arrange | positioning so that it may superpose | polymerize, the side part 111b is covered from the indoor side unexposed. Further, of the left and right side surfaces of each holding portion 120, a projection portion 120 a is formed at a corner portion of the side surface far from the base portion 110. For this reason, when the user places an index finger or thumb on the upper surface or the lower surface of each holding portion 120, the index finger or thumb is positioned between the protrusion 120a and the side surface of the base portion 110. The thumb is difficult to slide from the holding part 120.

  The side position of the indoor side of each part of the indoor side operation unit 100 formed in this way will be further described. Each holding part 120 is arranged so as to overlap with the side part 111 b of the base part main body 111 on the indoor side. The indoor side surface of each holding unit 120 is formed to be located on the indoor side with respect to the indoor side surface of the base unit 110, and each holding unit 120 is farther from the shutter curtain 30 than the base unit 110. Protrudes to the side. For this reason, when the shutter curtain 30 is wound up, it is possible to reduce the possibility that the locking device 50 contacts the side surface of the shutter curtain 30 and the side surface of the shutter curtain 30 is damaged. FIG. 6 is a partial side view of the shutter curtain 30 in a wound state. As shown in FIG. 6, in the winding state of the shutter curtain 30, a slat (hereinafter referred to as a mounting slat) 31A to which the locking device 50 is mounted is adjacent to the mounting slat 31A on the winding center side. The locking device main body 60 of the locking device 50 is located between the slats (hereinafter, adjacent slats) 31B. And since each holding part 120 of this locking device 50 protrudes toward the adjacent slat 31B side rather than the base part 110, only each holding part 120 contact | abuts to the adjacent slat 31B, and the locking device 50 containing the base part 110 is included. The other part is not in contact with the adjacent slat 31B. As will be described later, since each holding portion 120 is formed of a softer material than the base portion 110, the adjacent slats 31B are scratched compared to the case where the base portion 110 contacts the adjacent slats 31B. It is possible to reduce the possibility.

  As described above, when the indoor side surface of each holding portion 120 is further protruded indoors than the indoor side surface of the base portion 110, the specific protrusion height of each holding portion 120 (dimensions of FIG. 5B). H) is optional, but when the protruding height is insufficient, each holding portion 120 is worn by contact with the adjacent slat 31B, thereby protecting the adjacent slat 31B by each holding portion 120. Is not preferable. On the other hand, when this protrusion height is excessive, the frictional force between each holding portion 120 and the adjacent slat 31B increases, and each holding portion 120 is damaged, and the resistance of the shutter curtain 30 to roll up or unwind is reduced. It is not preferable to increase. For this reason, it is preferable to determine the protrusion height of each holding | maintenance part 120 so that there may be no excess and deficiency. However, since the protrusion height without excess and deficiency may vary depending on various conditions such as the locking device 50 and the size of the slats, it is preferable to determine for each shutter device 10 in consideration of various conditions. In the present embodiment, the protruding height of each holding portion 120 is determined to be approximately the same as the thickness of the base portion 110, and the overall thickness of each holding portion 120 is the thickness of the base portion 110. About twice as much.

  Here, from the viewpoint of reducing the possibility of the adjacent slats 31B being scratched, for example, instead of the pair of holding portions 120, on the indoor side surface of the base portion 111a of the base portion main body 111, from other portions of the base portion 110 Alternatively, a soft resin body protruding toward the indoor side may be disposed. However, when the soft resin body is arranged in this manner, only this soft resin body is in contact with the adjacent slat 31B and is in a state of supporting the adjacent slat 31B with one place of only the soft resin body as a fulcrum. In such a state, for example, when the mounting slat 31A or the adjacent slat 31B vibrates due to vibration during winding or an external force such as wind after winding, it is adjacent with one place of the soft resin body as a fulcrum. This is not preferable because the slat 31B is inclined and the possibility that a portion other than the soft resin body in the locking device 50 abuts on the adjacent slat 31B is increased. Therefore, in the present embodiment, each of the pair of holding portions 120 protrudes toward the side away from the locking device 50 with respect to the other portions of the locking device 50, whereby 2 of the pair of holding portions 120. By supporting the adjacent slat 31B stably with the location as a fulcrum, even if the mounting slat 31A and the adjacent slat 31B vibrate, the possibility of the adjacent slat 31B tilting with the pair of holding portions 120 as fulcrums is reduced. Thus, the possibility that portions other than the pair of holding portions 120 in the locking device 50 abut on the adjacent slats 31B is reduced.

  Furthermore, from the viewpoint of increasing the function of such a stable support, the number of holding parts 120 may be further increased, or the formation range of the holding parts 120 may be expanded. For example, in addition to the pair of holding portions 120, the holding portions 120 are also arranged on the upper side surface and the lower side surface of the base portion 111 a of the base portion main body 111, or the annular holding portion 120 is arranged on the entire circumference of the base portion 111 a. May be. However, when such an arrangement is performed, for example, when the indoor operation unit 100 is switched so that the shutter curtain 30 is unlocked, the holding unit 120 is in the direction along the shutter curtain 30. In this state, the shutter curtain 30 is wound up, and the protruding holding part 120 comes into contact with the adjacent slat 31B, thereby increasing the possibility of the holding part 120 being damaged or the like. To do. That is, in the state shown in FIG. 6, the portion of the adjacent slat 31 </ b> B that is closest to the outdoor side (hereinafter referred to as the slat side contact portion) is in contact with the holding portion 120 at the upper and lower center vicinity position of the locking device body 60. . In this state, even if the holding part 120 is pressed to the outdoor side by the slat side contact part, since the holding part 120 is supported by the locking device main body 60, the possibility that the holding part 120 is deformed is low. Conceivable. However, depending on the winding state of the shutter curtain 30, the slat side contact portion may be displaced in either the upper or lower direction and may be located at an outer position that is deviated in either the upper or lower direction from the locking device body 60. is there. Here, when the holding part 120 protrudes from the locking device main body 60 in the direction along the shutter curtain 30, the protruding part is moved to the outdoor side by the slat side contact part displaced as described above. However, since the protruding portion is not supported by the locking device main body 60, the possibility of deformation or the like increases. For this reason, in the present embodiment, in a state in which the indoor side operation unit 100 is switched so that the shutter curtain 30 is unlocked, the holding unit 120 is locked in the direction along the shutter curtain 30. By disposing at a position that does not protrude from the holding portion 120, the possibility that the holding portion 120 is deformed due to the pressing of the holding portion 120 by the shutter curtain 30 or the like is reduced. The “position that is non-projecting from the locking device main body 60” refers to a position that is flush with a side surface orthogonal to the direction along the shutter curtain 30 among the side surfaces of the locking device main body 60. The position close | similar to the center position of the up-down and left-right of the locking device main body 60 is included.

  In addition, not only the state in which the indoor operation unit 100 is switched so that the shutter curtain 30 is unlocked as described above, but also the state where the indoor side operation unit 100 is switched so that the shutter curtain 30 is locked. In this case, it is preferable that the holding portion 120 does not protrude from the locking device main body 60 in the direction along the shutter curtain 30. That is, since the shutter curtain 30 is not wound up in the locked state, the holding unit 120 may be damaged even if the holding unit 120 protrudes from the locking device main body 60 in the direction along the shutter curtain 30. There is no increase in sex. However, when the holding portion 120 protrudes in this way, there is a possibility that the design of the locking device 50 may be lowered due to, for example, giving the user a sense of discomfort when viewing the locking device 50 from the indoor side. . For this reason, in the present embodiment, the locking device main body 60 is moved in the direction along the shutter curtain 30 even when the indoor operation unit 100 is switched so that the shutter curtain 30 is locked. The possibility that the designability of the locking device 50 is reduced is reduced by disposing it at a position that is non-protruding.

  In addition, as long as the holding unit 120 can be prevented from protruding from the locking device main body 60 in this way, the mounting position of the holding unit 120 with respect to the base 111a of the base unit main body 111 can be arbitrarily determined. From the viewpoint of improving the operability of the part 120 and the viewpoint of further improving the design of the locking device 50, as shown in FIG. 2A, a pair of holding parts 120 are arranged in parallel along the horizontal direction. It is preferable.

  Furthermore, in the case where the pair of holding portions 120 are arranged side by side in this way, from the viewpoint of improving the operability of the holding portion 120 for the user and further improving the design of the locking device 50, the locking receiver It is preferable that the holding unit 120 be positioned at a symmetrical position about the rotation axis of the rotating body 62 when the locking unit 80 is locked with respect to the part 3 and when the locking unit 80 is unlocked. For this reason, in the present embodiment, like the known locking device, the rotating body 62 is centered on the rotation axis by devising the connection position of the operating body 63 to the rotating body 62 and the shape of the operating body 63. While being rotated to a predetermined locking position (first position), the locking claw 84 of the locking portion 80 is locked, and the rotating body 62 is rotated 180 degrees around the rotation axis with respect to the locking position. The locking claw 84 of the locking part 80 is in a non-locking state in a state where the locking claw 84 is rotated to a predetermined unlocking position (second position) which is the position where it is moved. On this basis, in the present embodiment, the pair of holding portions 120 are arranged at positions facing each other about the rotation axis of the rotating body 62. For this reason, the locking claw 84 of the locking portion 80 is in the locked state when the holding portion 120 is positioned at the locked position, and is not engaged when the holding portion 120 is positioned at the unlocked position. It stops. Therefore, for the user, when the locking state and the unlocking state of the locking device 50 are switched to each other, the holding unit 120 can be rotated so that the left and right positions of the pair of holding units 120 are interchanged. Therefore, the operation position of the holding unit 120 can be intuitively grasped visually, and the operability of the holding unit 120 for the user can be improved. In addition, even when the locking device 50 is in either the locked state or the unlocked state, the pair of holding portions 120 can be arranged side by side along the horizontal direction. It becomes possible to further improve the design.

  As described above, “the locking claw 84 of the locking portion 80 is set to the locked state in a state where the rotating body 62 is rotated to the predetermined locking position (first position) around the rotation axis”. The locking claw 84 is not limited to the locked state only when the rotating body 62 is rotated to the locking position, and at least the locking claw 84 is moved to the locked position. What is necessary is just to make it the latching state, Comprising: The state in which the latching claw 84 will be in the latching state in the state immediately before rotating the rotary body 62 to a locking position, or the state immediately after that is included. That is, the locking state of the locking claw 84 is determined with a mechanical slide operation, and does not necessarily switch instantaneously. Therefore, in practice, for example, in a state immediately before the rotating body 62 is rotated to the locking position, the locking claw 84 is already in the locking state, and further in a state where the rotating body 62 is rotated to the locking position, The case where this locked state is maintained is assumed. Even in such a case, in the state where the rotating body 62 is rotated to the locked position, the locking claw 84 remains in the locked state. This corresponds to “turning the locking claw 84 of the locking portion 80 into the locked state in a state where it is rotated to the locking position (first position)”. Similarly, “the locking claw 84 of the locking portion 80 is brought into a non-locking state in a state where the locking claw 84 is rotated to a predetermined unlocking position (second position) that is a position rotated 180 degrees around the rotation axis. "Is not limited to the state in which the locking claw 84 is unlocked only in the state where the rotating body 62 is rotated to the unlocked position, and at least in the state where the rotating body 62 is rotated to the unlocked position. The locking claw 84 only needs to be in the unlocked state, and the locking claw 84 is in the unlocked state immediately before or after the rotating body 62 is rotated to the unlocked position. Including.

(Configuration-Locking device-Indoor operation unit-Mounting method)
Next, an example of a method for attaching the indoor side operation unit 100 to the locking device body 60 will be described. FIG. 7 is an explanatory view illustrating a method of attaching the indoor side operation unit 100. In this FIG. 7, the state which looked at the indoor side operation part 100 from the side direction with a part etc. of the locking device main body 60 is shown. As shown in FIG. 7, the indoor side operation unit 100 is arranged on the upper surface of the pedestal 130. At this time, the indoor side operation unit 100 is arranged on the upper surface of the pedestal 130 so that the linking claw 112b of the base unit 110 faces upward and only the base 111a of the base unit main body 111 contacts the pedestal 130. To do. And the locking device main body 60 is arrange | positioned above the indoor side operation part 100. FIG. At this time, the locking device body 60 is arranged so that the indoor side surface of the locking device body 60 faces downward. Then, the plurality of linkage claws 112 b of the base unit linkage body 112 are respectively inserted into the body case 61 through a plurality of holes (not shown) formed in the body case 61 of the locking device body 60 in advance. Here, a rotating body 62 is accommodated in the body case 61, and holes (not shown) are formed in the rotating body 62 at positions and shapes corresponding to the plurality of holes of the body case 61. The plurality of linkage claws 112b inserted into the inside of the main body case 61 are further inserted into the plurality of holes of the rotating body 62 so as to protrude further upward from the plurality of holes of the rotating body 62. . And the press part 131 of a press machine is driven so that it may go from the upper direction of the locking device main body 60 to the downward direction, and this linkage claw 112b is pushed by pressing the linkage claw 112b protruded upward from the hole of the rotary body 62. By deforming and caulking in the direction along the rotating body 62, the linkage claw 112 b is linked to the rotating body 62 so as not to be disengaged. Moreover, the indoor side operation part 100 can be connected with respect to the locking device main body 60 by linking the linkage claw 112b to the rotating body 62 in this way. The direction shown in FIG. 7 is an example. For example, each part is arranged and attached in a direction opposite to the upper and lower directions or a direction rotated 90 degrees to the left and right with respect to the direction shown in FIG. Also good.

(Configuration-Locking device-Indoor side operation unit-Material)
Next, the material of the indoor side operation unit 100 will be described. Of the base unit 110 of the indoor side operation unit 100, the base unit linkage body 112 directly receives the pressing force when caulking by the press as described above, and therefore has rigidity that does not break even when receiving this pressing force. It is necessary to prepare. Further, the base link body 112 needs to have toughness that can be deformed without breaking when subjected to the pressing force at the time of caulking. Furthermore, the base unit linkage body 112 indirectly receives the user's operation force when operating the indoor side operation unit 100 to rotate the rotating body 62 via the base unit main body 111 and the holding unit 120. It is necessary to have rigidity that can withstand this operating force. From these things, the base part linkage body 112 is formed with metal materials, such as stainless steel and steel, for example.

  Further, among the base part 110 of the indoor side operation part 100, the base part main body 111 receives the pressing force when caulking by the press machine as described above indirectly via the base part linkage body 112. It is necessary to provide rigidity that does not break even when this pressing force is applied. Further, since the base body 111 receives the operation force of the user indirectly via the holding unit 120 when operating the indoor side operation unit 100 to rotate the rotating body 62, it can withstand this operation force. It is necessary to have the rigidity to obtain. For these reasons, the base portion main body 111 is formed of, for example, a metal material such as stainless steel or steel, or a hard resin such as nylon (polyamide) (6 nylon or 66 nylon).

  On the other hand, regarding the holding unit 120 of the indoor side operation unit 100, the holding unit 120 directly receives the user's operation force when operating the indoor side operation unit 100 to rotate the rotating body 62. It must be rigid enough to withstand this operating force. However, as shown in FIG. 7, the holding portion 120 is disposed on the side of the pedestal 130 and does not receive a pressing force during caulking by a press machine. The toughness and rigidity required for 111 are not required. In addition, the holding portion 120 is disposed so as to protrude toward the adjacent slat 31B side from the base portion 110, and reduces the possibility of the adjacent slat 31B being scratched. Is preferably small. For these reasons, the holding part 120 is formed of a softer material than the base part 110. Although the specific kind of such a soft material is arbitrary, natural rubber and synthetic rubber (polyurethane etc.) are employable, for example.

  Here, from the viewpoint of reducing the possibility of the adjacent slats 31B being scratched, not only the pair of holding portions 120 is formed of a soft resin, but, for example, a base portion positioned between the pair of holding portions 120 The indoor side surface of the base 111a of the main body 111 may be covered with a soft resin body so that the indoor side surface of the pair of holding portions 120 and the indoor side surface of the soft resin body may be flush with each other. However, in order to link the linking claws 112b of the base unit linking body 112 with the rotating body 62, it is preferable that the pressing force of the press does not escape via the soft resin. Therefore, in the present embodiment, the base portion main body 111 is formed from a metal material or a hard resin, and then the side surface of the base portion 110 is the side surface opposite to the shutter curtain 30 (that is, the base portion main body). The indoor side surface of the base portion 111a of 111 is an exposed surface that is exposed to the outside of the indoor side operation unit 100 without being covered with a soft resin. For this reason, as shown in FIG. 7, it becomes possible to arrange | position the indoor side operation part 100 on the upper surface of the base 130 so that only this exposed surface may contact the base 130, and the pressing force of a press is a soft resin. It is possible to prevent escape through. However, when such an effect is not required, the side surface of the base portion 110 that is opposite to the shutter curtain 30 is covered with a soft resin or the like so that the outside of the indoor side operation portion 100 is covered. And may be unexposed.

(Structure-Locking device-Indoor operation unit-Manufacturing method)
Next, the manufacturing method of the indoor side operation part 100 comprised with such a material is demonstrated. For example, the base part linkage body 112 is formed by molding a metal material with a press. And when forming the base part main body 111 with hard resin, by inserting the base part linkage body 112 into the mold, injecting hard resin around the base part linkage body 112, and insert molding, The base part main body 111 integrated with the base part linkage body 112 is manufactured. Or when forming the base part main body 111 with a metal material, you may shape | mold the base part linkage body 112 and the base part main body 111 integrally with a press. After that, the base part 110 in which the base part linkage body 112 and the base part main body 111 are integrated as described above is inserted into a mold, and the base part 110 is soft around each side part 111b of the base part main body 111. The holding part 120 integrated with the base part 110 is manufactured by injecting resin and performing insert molding. In order to increase the bonding force of the holding part 120 to the base part 110, for example, a step part or a hole part is provided in each side part 111b of the base part main body 111, and a soft resin is injected into the step part or hole part. The holding unit 120 may be manufactured. However, in addition to this, the holding portion 120 can be fixed to the base portion 110 by any method such as adhesion, welding, and screwing.

[Modifications to Embodiment]
Although the embodiments of the present invention have been described above, the specific configuration and means of the present invention can be arbitrarily modified and improved within the scope of the technical idea of each invention described in the claims. it can. Hereinafter, such a modification will be described.

(About problems to be solved and effects of the invention)
First, the problems to be solved by the invention and the effects of the invention are not limited to the above-described contents, and the present invention solves the problems not described above or has the effects not described above. There are also cases where only some of the described problems are solved or only some of the described effects are achieved. For example, even if only the user operability similar to the conventional one can be obtained, if the scratches on the side surface of the shutter curtain 30 can be prevented by means different from the conventional one, the problem of the present application is solved. ing.

(About the structure of the locking device)
In the above-described embodiment, the locking device 50 has been described as being openable and closable from the indoor side and the outdoor side. May be omitted.

(About the mounting position of the locking device)
In the said embodiment, although the case where the locking device main body 60 was fixed with respect to the said shutter curtain 30 along the indoor surface of the shutter curtain 30 was demonstrated, the 1st surface (unlocking tool is used, for example) When the unlocking operation is performed on the outdoor surface of the shutter curtain 30, the locking device main body 60 may be fixed to the outdoor surface, or an unlocking tool is used. When the side surfaces that allow the unlocking operation without being performed are both the indoor surface and the outdoor surface of the shutter curtain 30, the locking device main body 60 is fixed to any one or both of the indoor surface and the outdoor surface. May be. Further, even when the locking device main body 60 is fixed to the indoor surface of the shutter curtain 30, it is not limited to fixing all parts of the locking device main body 60 to the indoor surface. When a part of the shutter curtain 30 can be separated, the part may be fixed to the outdoor surface of the shutter curtain 30.

(About the structure of the operation means)
The shape and structure of the operation means can be arbitrarily changed. For example, the base portion 110 may be formed in a square plate shape or an elliptic plate shape instead of a disk shape. Further, in the above embodiment, the holding unit 120 is fixed to the base unit 110. For example, the holding unit 120 is detachably fixed to the base unit 110, and when necessary (that is, when the locking device 50 is operated). The holding part 120 may be attached to the base part 110 only when the shutter curtain 30 is rolled up.

(About the mounting position of the operating means)
The attachment position of the operation means can be arbitrarily changed. For example, the base unit 110 may be arranged at a position closer to either the left or right instead of the left and right center position of the locking device main body 60. Good.

DESCRIPTION OF SYMBOLS 1 Opening part 2 Guide rail 10 Shutter apparatus 20 Shutter storage part 21 Storage case 22 Bracket 23 Winding shaft 24 Center shaft 25 Wheel 26 Stay 27 Energy storage spring 30 Shutter curtain 30a Outdoor side surface 30b Indoor side surface 31 Slat 31A Attachment slat 31B Adjacent slat 32 Slat connecting portion 33 Handle 34 Seat plate 50 Locking device 60 Locking device main body 61 Main body case 62 Rotating body 63 Actuating body 64 Link body 65, 66 Connecting pin 67 Connecting screw 70 Connecting portion 71 Fixing band 72, 83 Mounting screw 80 Locking Part 81 Main body case 82 Locking body 84 Locking claw 90 Outdoor side operation part 100 Indoor side operation part 110 Base part 120 Holding part 120a Protrusion part 130 Base 131 Press part

Claims (6)

A locking device for locking an opening / closing device provided with an opening / closing body movably in a winding direction and an unwinding direction, wherein the opening / closing body cannot be moved at least in the winding direction; A locking device that can be switched to an unlocked state that is movable in the winding direction and the unwinding direction,
A locking device main body fixed to the opening / closing body so as to be along the first surface of the opening / closing body, the locking device comprising a rotating means rotatable about a rotation axis orthogonal to the first surface. The body,
A locking means for releasably locking with a locked means provided at an immovable part adjacent to the opening / closing body in a fully closed state, wherein the locking means is locked with the locked means. The rotating state of the rotating means is in the locked state in which the opening / closing body is in the locked state and in the unlocked state in which the opening / closing body is in the unlocked state by releasing the locking to the locked means. A locking means movable according to
Operation means disposed on a surface of the locking device main body opposite to the opening / closing body, and by manually rotating the rotating means, the opening / closing body is moved between the locked state and the unlocked state. Operating means for switching to
The operation means includes
A base portion disposed along a direction parallel to the first surface and linked to the rotating means;
A pair of holding portions arranged side by side along a direction parallel to the first surface, and a pair of holding portions fixed to the base portion at opposite positions around the base portion,
Each of the pair of holding portions is formed of a softer material than the base portion, and protruded toward the side away from the opening / closing body than the base portion,
Locking device for switchgear. Each of the pair of holding portions is protruded toward the side away from the opening / closing body rather than the other part of the operation means,
The locking device for the switchgear according to claim 1. In a state where the operation means is switched and operated so that the opening and closing body is in the unlocked state, the pair of holding portions are non-projecting from the locking device main body in a direction along the first surface.
A locking device for a switchgear according to claim 1 or 2. In a state in which the operation means is switched and operated so that the opening and closing body is in the locked state, the pair of holding portions are non-projecting from the locking device main body in a direction along the first surface.
The locking device for the switchgear according to claim 3. The locking means is in the locked state in a state where the holding portion is positioned at the first position, and has rotated the holding portion by 180 degrees with respect to the first position about the rotation axis. In the state where it is located at the second position, which is the position, the non-locking state,
The locking device for the switchgear according to any one of claims 1 to 4. A side surface of the base portion opposite to the opening / closing body is an exposed surface that is exposed to the outside of the operation means.
The locking device for the switchgear according to any one of claims 1 to 5.

Images