JP5000688B2 - Manual opening device for shutter device - Google Patents

Description

  The present invention relates to a manual opening device for manually opening and moving a shutter curtain that can freely open and close the shutter device, for example, disaster prevention for forming a disaster prevention zone with a shutter curtain when a fire or the like occurs. The present invention can be used for a shutter device for an opening and an opening shutter device for opening and closing an opening such as an entrance / exit with a shutter curtain.

  The shutter device equipped with a shutter curtain that can be freely opened and closed includes a shutter device for disaster prevention to form a disaster prevention zone with the shutter curtain in the event of a fire, etc., and to open and close openings such as entrances and exits with the shutter curtain There is a shutter device for the opening. In the shutter device, as shown in Patent Document 1 below, a hole is formed in a specific slat that is a constituent member of the shutter curtain, and a handle member is fitted into the hole, and the handle member is inserted into the hole. In some cases, the shutter curtain can be opened and moved manually by lifting the shutter curtain with a hand.

No. 4-4462 (column 5, line 32 to column 6, line 23, Fig. 4)

  Thus, conventionally, in order to dispose the handle member on the shutter curtain, it is necessary to form a fitting hole for the handle member on the shutter curtain. However, the shutter device has a screen type shutter device in which at least a part of the shutter curtain is a screen portion formed of a thin material, and an appropriate portion for disposing the shutter curtain handle member is the screen portion. In the screen type shutter device, it is not preferable to form a hole in the screen portion.

  For this reason, in such a screen type shutter device, it is possible to effectively dispose a handle member for enabling the shutter curtain to be opened and moved manually without forming a hole in the screen portion of the shutter curtain. Ingenuity is required.

  SUMMARY OF THE INVENTION An object of the present invention is to manually open a shutter device in which a handle member for enabling the shutter curtain to be opened and moved manually can be provided without forming a hole in the screen portion of the shutter curtain. The device is on offer.

  A manual opening device for a shutter device according to the present invention is a shutter device having a shutter curtain that can be opened and closed, and a handle member provided on the shutter curtain so that the shutter curtain can be opened and moved manually. In addition, at least a part of the shutter curtain is a screen portion formed of a thin material, and the handle member is disposed on the screen portion. The thin material forming the screen portion and the shutter curtain are opposed to each other in the thickness direction.

  According to the manual opening device of the shutter device, the handle member is arranged on the screen portion of the shutter curtain by making the handle member face the thin material forming the screen portion and the thickness direction of the shutter curtain. Therefore, there is no need to form a hole for fitting the handle member into the screen portion. For this reason, a handle member for opening and moving the shutter curtain by manual operation can be effectively disposed in the screen portion.

  In this manual opening device of the shutter device, in order to arrange the handle member on the shutter curtain so as to oppose the thin material forming the screen portion and the thickness direction of the shutter curtain, the screen portion is formed. The handle member may be directly attached, locked, engaged, etc. by sewing, welding, bonding, etc. to the thin material that is used, or indirectly attached via an attachment member such as Velcro or fastener or using an intermediate member And may be attached, locked, engaged, etc. with any member necessary for the shutter curtain interposed between the screen portion and the handle member. Good.

  In addition, the shape and structure of the handle member are arbitrary. However, in the shutter device in which the shutter curtain is retracted when the shutter curtain is wound around the take-up shaft when the handle is moved open, It is preferable to use an elongated member having a length in the width direction of the shutter curtain that is perpendicular to both the opening / closing movement direction of the curtain and the thickness direction of the shutter curtain.

  According to this, since the handle member is an elongated member having a length in the width direction of the shutter curtain, when the handle member is wound around the take-up shaft together with the shutter curtain, the handle member is taken up by the take-up shaft. The winding of the shutter curtain can be performed smoothly without significantly affecting the winding diameter of the shutter curtain, and the end on the closing movement side of the shutter curtain after winding can be parallel or substantially parallel to the winding shaft. it can.

  As described above, when the handle member is an elongated member having a length in the width direction of the shutter curtain, the handle member may be formed of a hard material such as metal or synthetic resin. Similar to the screen portion, it may be formed of a flexible material, or may be formed of a composite of a hard material and a flexible material.

  In the case where the handle member is made of a hard material, any structure can be adopted for disposing the handle member on the screen portion of the shutter curtain, and one of them is a bag portion on the screen portion. And providing at least a part of the handle member inside the bag portion.

  When a part of the handle member is inserted into the bag portion, the shutter curtain can be opened and moved by placing a hand on the exposed handle portion without being inserted into the bag portion. Further, when the entire handle member is inserted into the bag portion, the shutter curtain can be opened and moved by placing a hand on the handle member from above the bag portion.

  When a part of the handle member is inserted into the bag portion and the other portion is exposed from the bag portion, there is no need to provide this exposed portion, that is, the handle portion, or it is easy to grasp by hand. For this purpose, a grip member made of a pipe, a bar, a bar or the like may be provided.

  Moreover, the structure for providing a bag part in the screen part of a shutter curtain is also arbitrary. The 1st example is arrange | positioning the thin part for bag parts in a screen part, and forming a bag part with this thin part for bag parts and the thin material which forms the screen part. In the second example, the screen portion is formed of a plurality of thin materials, and these thin materials include two thin materials arranged side by side in the opening / closing movement direction of the shutter curtain. When a part of the material is superposed in the thickness direction of the shutter curtain, this superposed part is used as a bag part.

  In addition, when the shutter curtain is retracted when the shutter curtain is wound around the take-up shaft when the shutter curtain is moved, the handle member is made of a thin material having flexibility. The member may be an elongated member having a length in the opening / closing movement direction of the shutter curtain.

  According to this, even if the handle member wound around the winding shaft together with the shutter curtain when the shutter curtain is opened and moved is an elongated member having a length in the opening / closing movement direction of the shutter curtain, the handle member is Since it is made of a thin material, the handle member does not significantly affect the winding diameter of the shutter curtain on the winding shaft, and this winding can be performed smoothly, and the shutter curtain closing movement side after winding The end of each can be parallel or substantially parallel to the winding axis.

  In the above-described manual opening device of the shutter device according to the present invention, the number of the handle members may be one or plural. Further, the number of the handle portions provided on the handle member may be one or plural.

  When the number of the handle portions provided on the handle member is one, the position of this handle portion can be set to an arbitrary position in the width direction of the shutter curtain. It is to be approximately in the center. According to this, when the shutter curtain is opened and moved by placing a hand on the handle portion, the manual operation force is applied to the entire width direction of the shutter curtain evenly or substantially uniformly. Can be opened and moved uniformly.

  The manual opening device of the shutter device according to the present invention is a shutter device having a shutter curtain that can be opened and closed and a handle member that enables the shutter curtain to be opened and moved manually. At least a part of the screen is formed of a thin material, and one end of the string-like member is coupled to the end of the shutter curtain on the closing movement side or in the vicinity of the end, and the string-like member Is a direction reversing member that is extended to the opening movement side of the shutter curtain and is a direction reversing member disposed on the stationary member, and the extending direction is reversed to the closing movement side of the shutter curtain, and the other end of the reversed string-like member Further, the handle member is provided.

  According to the manual opening device of the shutter device, when the handle member provided on the string member is pulled in the closing movement direction of the shutter curtain, the string member whose extending direction is reversed by the direction reversing member is used to form the shutter curtain. Since the end of the closing movement side or the vicinity of this end is pulled in the opening movement direction of the shutter curtain, the shutter curtain can be opened and moved manually. And since this opening movement operation can be performed by the handle member provided in the string-like member, it is not necessary to form a hole for fitting the handle member into the screen portion of the shutter curtain.

  In the manual opening device of the shutter device, the string-like member may be an arbitrary member such as a wire, a rope, a belt, or a twisted string. The direction reversing member may also be a rotating member such as a pulley, a roller, or a pulley, or may be a stationary member made of a sliding material having a small frictional force.

  The present invention described above can be applied to a disaster prevention shutter device for forming a disaster prevention zone with a shutter curtain in the event of a fire or the like, and an opening shutter device for opening and closing an opening such as an entrance / exit with a shutter curtain, Further, the present invention can be applied to a shutter device installed in a loading platform or a container of a vehicle such as a truck, a garage shutter device, or the like.

  When the present invention is applied to a shutter device for disaster prevention, the space in which the disaster prevention section is formed by the shutter curtain may be an indoor space of a building, an underground city space, a space in a tunnel, or a transportation device such as a ship. Or a space before the elevator. In other words, the present invention can also be applied to a disaster prevention shutter device for an elevator in which the shutter curtain is closed and moved between the elevator and the elevator hall.

  Further, when the present invention is applied to an opening shutter device, the opening may be an entrance / exit, a window, or the like.

  The present invention also relates to a shutter device in which the opening / closing movement direction of the shutter curtain is a vertical direction, a shutter device in which the shutter curtain is a horizontal direction, and a shutter device having a tilt angle with respect to these directions. Applicable to.

  Furthermore, according to the present invention, as long as at least a part of the shutter curtain is a screen part made of a thin material, the other part of the shutter curtain may be formed of an arbitrary member or material. For example, it may be formed by connecting a plurality of slats, may be formed by connecting a plurality of panels that are inseparable or separable, may be formed by a net, and is connected by a link. It may be formed of a plurality of pipes, and may be formed of at least two of these.

  The thin material forming the screen portion may be made of cloth, synthetic resin, or the like.

  Also, as described above, the method for storing the shutter curtain that has moved open may be wound around the winding shaft, as in the case of an overhead door, as it is in the closed state or curved state. The shutter curtain may be sent in and stored, and further, when the shutter curtain has a part formed by a plurality of separable panels, the separated panels are stored so as to overlap each other. A thing may be sufficient and each panel may be folded and stored in a panel connection part.

  In addition, when the closing movement direction of the shutter curtain is the downward direction, the closing movement method may be a self-weight type, a manual type, a combination type of self-weight and manual, or an electric motor or the like. The automatic type used may be used.

  Further, in the present invention, a handle member is used to open and move the shutter curtain. However, the shutter curtain may be opened and moved only by a manual operation force applied to the handle member. It may be made by accumulating pressure such as a spring accumulating when the valve is closed and moved. In addition, the normal opening movement of the shutter curtain is performed by an automatic drive device such as an electric motor or a manual operation member that is different from the handle member. In addition, a handle member may be used.

  In the present invention, the handle member may be provided on one side of the front and back of the shutter curtain, or may be provided on both sides. Of course, in the shutter device in which the passage direction with respect to the shutter curtain opened and moved by the handle member is determined, the handle member may be provided only on one side which is the front side of the shutter curtain in the passing direction.

  According to the present invention, it is possible to obtain an effect that the handle member for enabling the shutter curtain to be opened and moved manually can be effectively disposed without forming a hole in the screen portion of the shutter curtain.

FIG. 1 is a front view showing an entire elevator disaster prevention shutter device that is a shutter device according to an embodiment of the present invention. 2 is a cross-sectional view taken along line S2-S2 of FIG. FIG. 3 is a longitudinal sectional view of the elevator disaster prevention shutter device of FIG. FIG. 4 is a view of the shutter curtain when fully closed as viewed from the elevator side. FIG. 5 is a diagram illustrating a part of the shutter curtain before both ends in the width direction are inserted into the left and right guide rails. FIG. 6 is a perspective view showing that a handle member made of a metal rod is inserted into a bag portion provided in a curtain body whose whole or main portion is a screen portion. FIG. 7 is a view similar to FIG. 5 showing an embodiment in which a plurality of handle members made of metal bars are disposed in the opening / closing movement direction of the shutter curtain. FIG. 8 is a view similar to FIG. 5 showing an embodiment in which one handle portion exposed from the bag portion is provided on a handle member made of a metal rod inserted into the bag portion. FIG. 9 is a view similar to FIG. 5 showing an embodiment in which three bag portions are formed using three thin bag portion materials. FIG. 10 is a view similar to FIG. 5 showing an embodiment in which the screen portion of the shutter curtain is formed of a plurality of thin materials. FIG. 11 is a perspective view showing the embodiment of FIG. 10 before sewing a plurality of thin materials. FIG. 12 is a view similar to FIG. 5 showing an embodiment in which a grip member is provided in the handle portion of the handle member. FIG. 13 is a view similar to FIG. 5 showing an embodiment in which the handle portion of the handle member has a crank shape and a grip member is provided on the handle portion. FIG. 14 is a view similar to FIG. 5 showing an embodiment in which an elongated handle member made of a thin material is disposed on the screen portion of the shutter curtain with the length direction being the opening / closing movement direction of the shutter curtain. FIG. 15 is a view similar to FIG. 5 showing an embodiment in which an elongated handle member made of a thin material is disposed on the screen portion of the shutter curtain with the length direction being the width direction of the shutter curtain. FIG. 16 is a view showing an embodiment in which the shutter curtain is opened and moved by a handle member provided on the string-like member, and the shutter curtain when fully closed is viewed from the elevator side. 17 is a cross-sectional view taken along line S17-S17 in FIG. FIG. 18 is a view similar to FIG. 17 showing the shutter curtain fully opened.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated based on drawing. The shutter device according to the present embodiment is a shutter device for disaster prevention for forming a disaster prevention zone with the shutter curtain when fully closed, and when the fire occurs, the shutter curtain is between the elevator and the elevator hall. It is a disaster prevention shutter device for an elevator that is closed and moved. The elevator disaster prevention shutter device will be described below. FIG. 1 is a front view showing the whole elevator disaster shutter device, FIG. 2 is a sectional view taken along line S2-S2 of FIG. 1, and FIG. 3 is a longitudinal sectional view of the elevator disaster shutter device of FIG.

  First, the overall structure of the elevator will be described. As shown in FIGS. 2 and 3, the concrete wall 4, which is a building frame that divides the vertical hole 2 and the elevator hall 3 in the building in which the elevator lifting and lowering box 1 moves up and down, has a lower surface on the elevator hall. An opening 6 that is a floor 5 continuing from 3 is formed, and an elevator door 7 is disposed at the back of the vertical hole 2 in the opening 6 that is an elevator entrance. In order to open and close the elevator door 7 disposed at a position deviated from the thickness of the wall 4 to the vertical hole 2 side, as shown in FIG. It is provided above and below the door 7.

  Upper and lower rollers 10 and 11 attached to the upper bracket 7A of the elevator door 7 are movably engaged with the upper rail 8, and the lower rail 9 provided on the floor 5 is connected to the lower surface of the elevator door 7. The elevator door 7 is a suspension type that is slidably engaged with the engaging member 12 attached to the upper roller 10 and is suspended by the upper roller 10. Due to the guiding action, it is opened and closed by a driving force of a driving means (not shown).

  As shown in FIG. 1, the upper frame member 13 and the side frame member 14 are disposed on the upper inner surface of the opening 6 and the left and right side inner surfaces, thereby forming an upper inner member that forms the upper inner surface of the opening 6. The upper frame member 13 and the side frame member 14 which is the side inner surface member forming the side inner surface are provided with an outer frame 15 for the opening which is a three-sided frame on the inner surface of the opening 6. . The upper frame member 13 and the side frame member 14 are made of a metal plate such as stainless steel and serve as a decorative material for the opening 6.

  As shown in FIG. 3, the upper frame member 13 includes a rising portion 13A on the elevator hall 3 side and an extending portion 13B extending horizontally from the lower end of the rising portion 13A to the elevator door 7 side. The rising portion 13A is attached to a mounting member 18 provided on the surface of the falling wall 4A above the opening 6 in the wall 4 on the elevator hole 3 side, and the extending portion 13B is the surface of the falling wall 4A on the vertical hole 2 side. Are coupled to a holding member 21 coupled via a coupling tool 19 and a bracket 20. The upper rail 8 is attached to the holding member 21.

  Further, the attachment member 18 above the rising portion 13A of the upper frame member 13 is disposed in a ceiling back space 17 that is partitioned from the elevator hall 3 by the ceiling member 16 in the vertical direction. As shown in FIG. 1, an elevator indicator 19 is disposed at the rising portion 13A.

  As shown in FIG. 1, the elevator disaster prevention shutter device according to the present embodiment includes a shutter curtain 30 that opens and closes the opening 6 by opening and closing, in other words, by moving up and down. As shown in FIG. 2, both left and right end portions of the shutter curtain 30, in other words, both end portions in the curtain width direction orthogonal to the opening / closing movement direction of the shutter curtain 30 are guide members while being prevented by the retaining members 30A. The guide rail 31 is slidably inserted. The pair of left and right guide rails 31 serving as guide members for guiding the opening and closing movement of the shutter curtain 30 is the surface of the side wall 4B provided on the left and right sides of the opening 6 in the wall 4 on the elevator hall 3 side. The decorative material 32 is arranged. These guide rails 31 are arranged on the side of the elevator hall 3 with respect to the outer frame 15 of the three-side frame that is the decorative material of the opening 6 and includes the upper frame member 13 and the side frame member 14. .

  As shown in FIG. 3, the opening / closing moving means 33 for opening and closing the shutter curtain 30 is arranged in a space above the ceiling member 16, that is, in the ceiling back space 17. The opening / closing moving means 33 includes a horizontal winding shaft 34 to which the upper end portion of the shutter curtain 30 is coupled, an opening / closing machine 36 connected to the winding shaft 34 via a transmission means 35 such as a sprocket or a chain, And a brake driving device 37 for starting and releasing a brake provided on the rotary shaft 36A of the opening / closing machine 36. The brake drive device 37 is provided with a manual operation unit, and the brake is activated and released by manually operating the manual operation unit. In addition, the brake drive device 37 is connected to a fire sensor installed at an appropriate place of a building such as a building where an elevator is installed or an underground shopping mall, and this fire sensor detects smoke, flame or heat and detects that. When a signal is input to the brake drive device 37, the brake is released.

  The brake drive device 37 described above is attached to the opening / closing machine 36, and the winding shaft 34 and the opening / closing machine 36 are attached to a bracket 38 coupled to the attachment member 18. As shown in FIG. 3, the shutter curtain 30 hangs downward from the winding shaft 34 of the opening / closing moving means 33 configured as described above through the slit of the lintel 41 disposed on the ceiling member 16. Has been.

  The shutter curtain 30 includes a screen-type curtain body 50 that is entirely or mainly made of a thin material, and a seat plate 51 that is an end member provided at a lower end that is a front end of the curtain body 50 on the closing movement side. The shutter curtain 30 that is guided by the guide rail 31 and moves to open and close is lowered, and since the brake is released, the rotating shaft 36A and the winding shaft 34 of the opening / closing machine 36 can be rotated. In this state, the rotary shaft 36A of the opening / closing machine 36 is rotated forward by a manual tool such as a handle or an electric tool such as a motor, and this forward rotation is transmitted to the winding shaft 34 via the connecting means 35. Thus, the shutter curtain 30 can be wound around the take-up shaft 34 and moved open. Pay is not able to open the opening 6.

  When the shutter curtain 30 is raised and the seat plate 51 reaches the height position of the lintel 41 of the ceiling member 16 and the brake is activated, in other words, the shutter curtain 30 opens the opening 6. When the shutter is opened, a detection signal of smoke, flame or heat from the fire sensor is input to the brake drive device 37. When the brake is released thereby, the shutter curtain 30 is wound by its own weight including the seat plate 51. By lowering the take-up shaft 34 while rotating in reverse, the seat plate 51 comes into contact with the floor 5, so that the opening 6 is closed by the shutter curtain 30 that is drawn out from the take-up shaft 34 and moved closed. Yes.

  As a result, the opening 6 is closed by the shutter curtain 30 at a location between the elevator in the building and the elevator hall 3 when a fire occurs, and a disaster prevention zone is formed by the shutter curtain 30 being fully closed. . On the other hand, the work of opening and moving the shutter curtain 30 by rotating the rotary shaft 36A of the opening / closing device 36 forward with the above-described handle or the like is performed at the time of maintenance inspection of the elevator disaster shutter device.

  As described above, when the shutter curtain 30 rotates and closes the winding shaft 34 by its own weight including the seat plate 51 as described above, the outer periphery of the winding shaft 34 or the inside of the winding shaft 34 that is hollow, etc. A return spring such as a coil spring that accumulates the spring force is disposed, and when the shutter curtain 30 that is fully closed or semi-closed is opened and moved, the winding shaft 34 that winds up the shutter curtain 30 has this return shaft. Since the accumulated pressure of the return spring acts as a rotation assisting force, the force required to open and move the shutter curtain 30 can be reduced.

  Note that, for example, a locked portion is provided on the seat plate 51 of the shutter curtain 30 or in the vicinity thereof, and a locking member that locks the locked portion when the shutter curtain 30 reaches the fully open position is provided. The locking device is arranged on the lintel 41, thereby maintaining the shutter curtain 30 in the normal state in the fully open position by the locking device, and when the occurrence of a fire is detected by the sensor, the locking device is detected by a signal from the sensor. The locking member is locked by driving a driving means such as a solenoid, by operating a control member by a person who knows a fire, or by one of both of them. The shutter curtain 30 is removed by the dead weight of the shutter curtain 30 including the seat plate 51, and the switch 36 and the brake device 37 shown in FIG. Also it may be able to be closed movement.

  Even when the emergency shutter device for elevators is configured in this way, as described above, by arranging a return spring inside the take-up shaft 34, etc., the shutter curtain 30 is moved by the rotation assisting force of this return spring. The force required to open and move can be reduced.

  In the above, since the guide rail 31 for guiding the vertical movement of the shutter curtain 30 is arranged on the elevator hall 3 side with respect to the opening 6 which is an entrance to the elevator, the shutter curtain 30 is arranged from the opening 6. Is also opened and closed on the elevator hall 3 side. In addition, the opening / closing moving means 33 for opening and closing the shutter curtain 30 is disposed in the ceiling space 17 close to the falling wall 4 </ b> A of the wall 4.

  As shown in FIG. 2, a smoke blocking member 40 is housed and disposed inside the guide rail 31 into which both ends of the curtain width direction of the shutter curtain 30 are inserted. It is also housed in the slit of the lintel 41 inserted vertically. Thereby, when the shutter curtain 30 is closed and moved to close the opening 6, smoke and flame reach the opposite side of the shutter curtain 30 through the inside of the guide rail 31 and the slit of the lintel 41. Is designed to be prevented. In addition, when the smoke barrier property and flame barrier property inside the guide rail 31 in the event of a fire are ensured by, for example, the shutter curtain 30 being in close contact with the inner surface of the guide rail 31, the inside of the guide rail 31 The smoke blocking member 40 may be omitted.

  In the above, the above-described thin material forming the curtain body 50 of the shutter curtain 30 is obtained by applying and / or impregnating a fireproof paint to a silica cloth or a glass cloth. , Fireproof and smokeproof. Of course, the metal seat plate 51 also has fireproofing and smoke shielding properties.

  And since this thin material is a member which forms all or the main parts of the curtain main body 50, most of the shutter curtain 30 is a screen portion formed of a thin material.

  4 is a view of the shutter curtain 30 when fully closed as viewed from the elevator side, and is a rear view of FIG. As shown in FIG. 4, the shutter curtain 30 that is fully closed is lifted from the elevator side to the elevator side surface (the surface opposite to the elevator hall 3 side) of the curtain body 50, that is, A handle member 60 is provided so that the shutter curtain 30 can be opened and moved manually. The handle member 60 is a metal round bar which is a hard material, and the handle member 60 which is an elongated member has a length direction in the opening / closing movement direction of the shutter curtain 30 and the thickness direction of the shutter curtain 30. Are arranged in the curtain body 50 in the width direction of the shutter curtain 30 orthogonal to both. Further, the position of the handle member 60 in the shutter curtain 30 is about the height of the person's waist in the shutter curtain 30 when fully closed.

  FIG. 5 shows a part of the shutter curtain 30 before both end portions in the width direction are inserted into the left and right guide rails 31 described above. The handle member 60 is disposed in the curtain body 50 by being inserted into a bag portion 61 provided in the curtain body 50. The bag portion 61 is formed by sewing a thin bag portion material 62 to the thin material forming the curtain body 50, and the thin bag portion material 62 becomes longer in the width direction of the shutter curtain 30. The upper and lower ends of the bag portion thin material 62 are sewn portions 62A and 62B over the entire length in the longitudinal direction, so that the thin material forming the curtain body 50 and the bag portion thin material 62 A space in which the handle member 60 can be inserted is formed therebetween.

  The bag portion thin material 62 is made of the same or different material as the thin material forming the curtain body 50, and the bag portion thin material 62 has an even number of cuts 62C in the length direction thereof. Are formed at intervals.

  As shown in FIG. 6, the insertion of the handle member 60 into the bag portion 61 is performed from either one of both ends of the opening of the bag portion 61 in the width direction of the shutter curtain 30. As can be seen from FIG. 5, this is performed by exposing a part of the handle member 60 from between the cuts 62 </ b> C forming a pair. In the embodiment of FIG. 6, since there are four cuts 62C, the handle member 60 is inserted into the bag portion 61 with two exposed portions. These exposed portions are portions that become the handle portions 60A for putting hands when the fully closed shutter curtain 30 is lifted and moved by the handle member 60.

  For this reason, with respect to the handle member 60 of this embodiment provided with two handle portions 60A, each handle portion 60A is provided so that the entire width direction of the shutter curtain 60 can be lifted evenly with both hands. The shutter curtain 30 is provided at an equidistant or substantially equidistant position from the center in the width direction to the end in the width direction.

  The operation of inserting the handle member 60 into the bag portion 61 may be performed at a factory before the shutter curtain 30 is shipped to the construction site of the emergency shutter device for elevators. You may carry out before inserting a direction both ends into the inside of the guide rail 31 on either side. Moreover, after inserting the handle member 60, both ends of the opened bag portion 61 may be closed by sewing or the like, and may not be closed. Also, after closing one end of the bag portion 61 in advance by sewing or the like and inserting the handle member 60 from the other open end, the open end is closed by sewing or the like. May be.

  As described above, the handle member 60 is inserted into the bag portion 61 provided in the curtain main body 50 while being partly exposed to the handle portion 60A. Thus, the shutter curtain 30 is supported. This arrangement is made by causing the handle member 60 to face the thin material forming the aforementioned screen portion of the shutter curtain 30 in the thickness direction of the shutter curtain 30.

  After the shutter curtain 30 is fully closed as described above due to the occurrence of a fire, in order for a person who evacuated using the elevator to open and move the shutter curtain 30 and escape to the elevator hall 3 side, The shutter curtain 30 is lifted by placing a hand on the handle portion 60 </ b> A of the handle member 60. At this time, since the accumulated pressure of the return spring described above becomes a rotation assisting force of the winding shaft 34 for winding the shutter curtain 30, the shutter curtain 30 can be moved even if the manual lifting force applied to the handle portion 60A is small. Can be lifted lightly.

  When an evacuee passes under the lifted shutter curtain 30, the shutter curtain 30 closes and moves by its own weight and returns to the fully closed state.

  According to the present embodiment described above, the handle member 60 is disposed on the shutter curtain 30 by providing the bag portion 61 in the curtain body 50 whose whole or main portion is a screen portion made of a thin material. Since a part of the handle member 60 is inserted into the interior of the shutter curtain 30, the handle member 60 is disposed on the shutter curtain 30. A hole for fitting the handle member 60 into the screen portion of the shutter curtain 30 is provided. Therefore, the handle member 60 can be appropriately provided on the screen portion where it is inappropriate to form the hole.

  Since the handle member 60 is an elongated member having a length in the width direction of the shutter curtain 30, the handle member 60 is wound around the winding shaft 34 together with the shutter curtain 30 in order to return the shutter curtain 30 to the fully open position. When being taken, the handle member 60 can smoothly perform the winding without greatly affecting the winding diameter of the shutter curtain 30 on the winding shaft 34, and the shutter curtain 30 is moved and closed after winding. The side end seat plate 51 can be parallel or substantially parallel to the winding shaft 34. That is, the seat plate 51 can be parallel or substantially parallel to the lintel 41 after the shutter curtain 30 is wound.

  Further, since the handle member 60 is a hard metal rod, the handle member 60 can effectively receive a manual operation force for lifting the shutter curtain 30. Further, even if the handle member 60 is disposed in the curtain body 50 by inserting the handle member 60 into the bag portion 61, a part of the handle member 60 is a handle portion 60 </ b> A exposed from the bag portion 61. Therefore, a manual operation force can be effectively applied to the handle member 60.

  Further, since the handle member 60 is an elongate member having a length over the entire length in the width direction of the shutter curtain 30 or substantially the entire length in the width direction, the entire width direction of the shutter curtain 30 can be opened and moved simultaneously or substantially simultaneously.

  In the embodiment of FIG. 7, a plurality of handle members 60 partially inserted into the bag portion 61 are arranged in the curtain body 50 in the opening / closing movement direction of the shutter curtain 30. According to this embodiment, the person who lifts the shutter curtain 30 and evacuates is a tall person, an average person, a child, a person in a wheelchair, etc. It is possible to select a specific handle member 60 arranged in the above.

  In the embodiment of FIG. 8, the number of the handle portions 60A of the handle member 60 is one. When the number of the handle portions 60A is one, the position of the handle portion 60A is the center in the width direction of the shutter curtain 30 or the substantially center in the width direction. Thereby, the whole width direction of the shutter curtain 30 can be opened and moved uniformly or substantially uniformly without lowering one end portion of the shutter curtain 30 in the width direction.

  In the embodiment of FIG. 9, three bag portions 63 are provided in the curtain body 50 in the width direction of the shutter curtain 30 by three thin bag portion materials 64, and the handle member 60 is inserted into the bag portion 63. is doing. There is an interval between the three bag portions 63, and the portion of the handle member 60 exposed from the bag portion 63 at these intervals is the handle portion 60A. According to this embodiment, it is not necessary to prepare a long thin material having the same or substantially the same length as the width of the shutter curtain 30 and to make a cut in the thin material, thus facilitating the work. it can.

  The embodiment of FIGS. 10 and 11 is an embodiment in which the screen portion of the curtain body 50 is formed by a plurality of thin screen materials 66 arranged side by side in the opening / closing movement direction of the shutter curtain 30. As shown in FIG. 11, of the two thin sheet materials 66 disposed adjacent to each other in the opening / closing movement direction of the shutter curtain 30, the lower portion 66 </ b> A of the thin film material 66 on the opening movement side is closed and moved. The upper portion 66B of the screen thin material 66 on the side is overlapped in the thickness direction of the shutter curtain 30, and is a sewn portion 67A, 67B (see FIG. 10) where the upper and lower portions of this overlapped portion are sewn. Thereby, the superposition | polymerization part is the bag part 65. FIG.

  The lower portion 66A is formed with four cuts 65A, and the handle member 60 is inserted into the bag portion 65 by exposing a portion of the two cut portions 65A between the cut portions 65A. . Thus, the handle member 60 is supported by the bag portion 65 while generating two handle portions 60A exposed from the bag portion 65.

  According to this embodiment, the bag portion 65 can be formed by using the two thin materials 66 originally required for forming the screen portion of the curtain body 50, and the bag portion 65 is specially formed. There is no need to prepare.

  In the embodiment of FIG. 12, a grip member 68 made of a pipe is fitted to the handle portion 60A of the handle member 60 in the embodiment of FIGS. According to this, the hand grip portion 60A can be gripped by the grip member 68 provided on the hand grip portion 60A, and the hand grip portion 60A can be easily gripped, so that a manual operation for lifting the shutter curtain 30 can be facilitated.

  In the embodiment of FIG. 13, there is one handle member 70 made of a metal rod inserted into the bag portion 71 formed by the thin material forming the curtain body 50 and the thin material 72 for bag portion. The handle portion 70A is bent in a crank shape, and the handle member 70A is provided with a pipe gripping member 73. According to this embodiment, the hand operation for lifting the shutter curtain 30 can be performed more easily by the crank-shaped handle portion 70A and the gripping member 73.

  The handle member 80 of the embodiment of FIG. 14 is formed by disposing an elongated thin material made of the same or different material as the thin material on the thin material forming the curtain body 50. The flexible handle member 80 is disposed on the curtain body 50 with its length direction being the opening / closing movement direction of the shutter curtain 30, and a thin material whose upper and lower ends form the curtain body 50. The sewn portions 81A and 81B are sewn together. When the shutter curtain 30 is lifted, the handle member 80 is gripped and lifted at an intermediate portion between the sewing portions 81A and 81B.

  Also in this embodiment, the handle member 80 is opposed to the thin material forming the screen portion of the curtain body 50 in the thickness direction of the shutter curtain 30, and the handle member 80 is disposed on this screen portion. In addition, it is not necessary to provide a hole in the screen portion.

  Further, since the material of the handle member 80 is a thin material, even if the handle member 80 is disposed on the curtain body 50 with the opening / closing movement direction of the shutter curtain 30 being the length direction, the shutter curtain 30 is described above. When the take-up shaft 34 is wound and stored, the handle member 80 does not greatly affect the winding diameter of the shutter curtain 30 on the take-up shaft 34. Therefore, the take-up can be performed smoothly.

  The material of the handle member 90 according to the embodiment of FIG. 15 is also a thin and thin material having flexibility, but the length direction of the handle member 90 is the width direction of the shutter curtain 30 and the curtain. The main body 50 is disposed. The handle member 90 is attached to the curtain body 50 as sewing portions 91A and 91B which are sewn to a thin material having both ends in the length direction forming the curtain body 50. Also in this embodiment, when the shutter curtain 30 is lifted, the handle member 90 is gripped and lifted at an intermediate portion between the sewing portions 91A and 91B.

  According to this embodiment, the handle member 90 is made of a thin material, and the elongated handle member 90 is disposed on the curtain body 50 with the length direction being the width direction of the shutter curtain 30. When the curtain 30 is wound and stored by the winding shaft 34 described above, the influence of the handle member 90 on the winding diameter of the shutter curtain 30 on the winding shaft 34 can be made smaller than in the embodiment of FIG. This winding can be performed more smoothly.

  16 to 17 show an embodiment in which the handle member is not disposed on the shutter curtain. 16 is a view of the shutter curtain 30 when fully closed from the elevator side, and FIG. 17 is a cross-sectional view taken along line S17-S17 of FIG.

  In this embodiment, one end of the string-like member 100 is coupled to the elevator side portion of the seat plate 51 of the shutter curtain 30, and this string-like member 100 extends in the opening movement direction of the shutter curtain 30, and FIG. In the middle of this extending direction, the pulley 101 is hung on a pulley 101 disposed in a ceiling space 17 partitioned from the elevator hall 3 by a ceiling member 16 and serves as a direction reversal member. Thus, the extending direction of the string-like member 100 is reversed to the closing movement direction of the shutter curtain 30. And the handle member 102 is provided in the other edge part of the string-like member 100 in which the extending | stretching direction was reversed in this way. The pulley 101 is attached to an attachment member 18 that is an immovable member disposed in the ceiling space 17.

  A locking device 104 is installed on the lintel 103 disposed on the ceiling member 16, and the locking device 104 includes a locking member 105 that can be moved forward and backward in the thickness direction of the shutter curtain 30. . As shown in FIG. 18, when the shutter curtain 30 is wound around the winding shaft 34 and the shutter curtain 30 is fully open, the engagement is always urged forward by an elastic member such as a spring. The front end of the stop member 105 is locked to a recessed locking portion 51A formed on the seat plate 51, whereby the shutter curtain 30 is held in the fully open position.

  When the occurrence of fire is detected by a sensor (not shown), the locking member 105 is moved backward by a driving means such as a solenoid disposed in the locking device 104 by a signal from the sensor. Thereby, the locking of the locking member 105 to the locked portion 51A is released, and the shutter curtain 30 starts to move by its own weight including the seat plate 51, and reaches the fully closed position shown in FIG. Thus, when the shutter curtain 30 rotates and closes the winding shaft 34, a return spring by a coil spring or the like disposed on the outer periphery or inside of the winding shaft 34 is accumulated.

  After the shutter curtain 30 is fully closed due to the occurrence of a fire in this way, in order for a person who has evacuated using the elevator to open and move the shutter curtain 30 and escape to the elevator hall 3 side, The handle member 102 is pulled down toward the closing movement side of the shutter curtain 30. Thereby, the shutter curtain 30 is lifted from the seat plate 51 by the tensile force acting on the string-like member 100, and at this time, the accumulated pressure of the return spring and the rotation assisting force of the winding shaft 34 for winding the shutter curtain 30 Therefore, even if the manual operation force applied to the handle portion 102 is small, the shutter curtain 30 can be easily lifted.

  When an evacuee passes under the lifted shutter curtain 30, the shutter curtain 30 closes and moves by its own weight and returns to the fully closed state.

  When the shutter curtain 30 is returned to the fully open position after performing an evacuation drill or the like, first, the shutter curtain 30 is opened and moved to a halfway position until the shutter member 30 is fully opened by the lowering operation of the handle member 102, and then the seat plate 51 is pushed up greatly. Apply power. As a result, the shutter curtain 30 is raised by the resultant force with the accumulated pressure of the return spring. At this time, the locking member 105 of the locking device 104 has reached the forward position by the biasing force of the elastic member, but the inclined surface 51B of the seat plate 51 shown in FIG. By abutting on 105A, the locking member 105 is once retracted, and when the seat plate 51 reaches the position of the lintel 103, the locking member 105 moves forward by the urging force of the elastic member and the seat plate 51 is locked. Locks to the part 51A. As a result, the shutter curtain 30 that has reached the fully closed position is held at that position.

  Thus, when the shutter curtain 30 returns to the fully open position, the interior of the seat plate 51 is hollow, and this internal space communicates with the outside of the seat plate 51 through an opening 51C formed on the upper surface of the seat plate 51. Therefore, as shown in FIG. 18, the shutter curtain 30 can be moved to the fully open position while the string-like member 100 is housed in the internal space of the seat plate 51.

  In this embodiment, unlike the previous embodiments, a handle member 102 for manually opening and moving the shutter curtain 30 is attached to the curtain main body 50 of the shutter curtain 30 whose main part is a screen portion. However, as described above, the screen portion of the shutter curtain 30 is also formed by providing the handle member 102 on the string-like member 100 for opening and moving the shutter curtain 30 with a tensile force. Therefore, it is possible to effectively dispose the handle member 102 for enabling the shutter curtain 30 to be opened and moved manually without forming a hole in the thin material.

  INDUSTRIAL APPLICATION This invention can be utilized for shutter apparatuses, such as a shutter apparatus for disaster prevention provided with the shutter curtain opened and moved manually.

DESCRIPTION OF SYMBOLS 30 Shutter curtain 31 Guide rail 34 Winding shaft 50 Curtain main body 51 or 60, 70, 80, 90, 102 The handle member 60A, 70A Handle part 61, 63, 65, 71 Bag part 62, 64, 72 Thin material for bag part 66 Thin material for screen 100 String member 101 Pulley which is direction reversal member

Claims (9)

In a shutter device having an openable and closable shutter curtain, and a handle member provided on the shutter curtain to enable the shutter curtain to be opened and moved manually,
Both ends of the curtain width direction perpendicular to the opening / closing movement direction that is the vertical direction of the shutter curtain are slidably inserted into the guide rail for guiding the opening / closing movement of the shutter curtain while being prevented from being detached by a retaining member. And the shutter curtain is retracted when the shutter curtain is retracted by being wound around a winding shaft.
At least a part of the shutter curtain is a screen portion made of a thin material, and the handle member is arranged to face the thin material forming the screen portion in the thickness direction of the shutter curtain. Established,
The handle member is formed of a thin material having flexibility, and is an elongated member having a length in the opening / closing movement direction of the shutter curtain ,
The upper and lower ends of the handle member are coupled to the shutter curtain, and an intermediate portion between the upper and lower ends of the handle member is not coupled to the shutter curtain, and the handle member is gripped by the intermediate portion. Is possible,
The shutter curtain opens and closes an opening serving as an elevator doorway,
The manual opening device for a shutter device, wherein the handle member is provided on an elevator-side surface of the shutter curtain . The manual opening device of the shutter device according to claim 1, wherein the handle member is formed of the same material as the thin material forming the screen portion. apparatus. 3. The manual opening device for a shutter device according to claim 1, wherein upper and lower end portions of the handle member are joined to the screen portion by sewing. The manual opening device of the shutter device according to any one of claims 1 to 3, wherein the guide rail is disposed on a surface on an elevator hall side of a side wall provided on each of the left and right sides of the opening. A manual opening device for the shutter device. The manual opening device of the shutter device according to any one of claims 1 to 4 , wherein the winding shaft is disposed in a ceiling space above the ceiling member, and the shutter curtain is disposed on the ceiling member. A manual opening device for a shutter device, wherein the shutter device is suspended downward through a slit of a lintel. The manual opening device of the shutter device according to any one of claims 1 to 5 , wherein a position of the shutter curtain to which a lower end portion of the handle member is coupled is a center portion in the width direction of the shutter curtain. A manual opening device for the shutter device, wherein the shutter device is located at a central portion in the width direction of the shutter curtain so that the shutter curtain can be pulled up. The manual opening device of the shutter device according to any one of claims 1 to 6 , wherein a seat plate is provided at a lower end portion of the shutter curtain, and a position where the lower end portion of the handle member is coupled is the seat. A manual opening device for a shutter device, which is located above the plate. The manual opening device for a shutter device according to any one of claims 1 to 7 , wherein the handle member is disposed at a central portion in the width direction of the shutter curtain that coincides with a central portion in the width direction of the opening. A manual opening device for a shutter device, characterized in that: The manual opening device of the shutter device according to claim 1, wherein the shutter curtain is closed and movable by its own weight.

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