JP2007009626A - Opening and closing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an opening and closing device capable of well operating an operation body for unlocking. <P>SOLUTION: This opening and closing device 1 comprises a liftable opening and closing body 21 for opening and closing an opening part 3 and a locking means 23 restricting the rise of the opening and closing body 21 when the opening part 3 is closed. The operation body 36 for unlocking rotatingly operated upward when the unlocking means 23 is unlocked is vertically rotatably installed at the lower end of the opening and closing body 21. The operation body 36 for unlocking comprises, at its upper part, a hand operation part to which a hand is applied from the underside and, at its lower part, a projected part for crime prevention positioned on the lower side of the hand operation part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an opening / closing device with good operability of an unlocking operation body.

Conventionally, for example, an openable / closable opening / closing body that opens and closes an opening, a locking means that restricts the opening of the opening / closing body when the opening is closed, and a locking means that is provided on the lower end side of the opening / closing body so as to be vertically rotatable. Opening and closing of a window shutter device, etc., which is provided with an unlocking operation body (unlocking lever) that is pivoted upward at the time, and a lower part of the unlocking operation body is formed with a hand-operated operation part that is hooked from below An apparatus is known (see, for example, Patent Document 1).
JP 2003-321984 A

  However, in the above conventional opening / closing device, since the hand operating part is formed in the lower part of the unlocking operation body, the sash lower frame or the like becomes an obstacle when unlocking the locking means, and the unlocking operation is performed. It may be difficult to rotate the body upward.

  This invention is made | formed in view of such a point, and it aims at providing the opening / closing apparatus with favorable operativity of the operation body for unlocking.

  The opening and closing device according to claim 1 is a movable opening and closing body that opens and closes the opening, locking means that restricts the opening and closing of the opening and closing body when the opening is closed, An unlocking operation body that is pivotably provided and is rotated in the opening movement direction when the locking means is unlocked, and the unlocking operation body opens and moves the unlocking operation body. It has a hand-operated operation unit that places a hand near the direction from the closing movement direction.

  The opening / closing device according to claim 2 is the opening / closing device according to claim 1, wherein the unlocking operation body is located closer to the closing movement direction of the hand-operated operating portion and closer to the closing movement direction of the unlocking operation body. It has the convex part for crime prevention which faces and separates from the hand operating part.

  The opening / closing device according to claim 3 is the opening / closing device according to claim 2, wherein the unlocking operation body is provided on the indoor surface side of the opening / closing body, and the security convex portion is provided on the indoor surface side of the opening / closing body. It has a closed movement direction inclined part located in the closed movement direction inclined direction.

  The opening / closing device according to claim 4 is the opening / closing device according to claim 2, wherein the unlocking operation body is provided on the indoor surface side of the opening / closing body, and the security convex portion is spaced apart from the hand-operated operation portion. The opening / closing body has an opening movement direction inclined portion located in an inclination toward the opening movement direction toward the indoor surface side.

  According to the first aspect of the present invention, the unlocking operation body has the hand-operated operation portion that is approached from the closing movement direction side near the opening movement direction of the unlocking operation body, and therefore unlocks the locking means. In this case, the unlocking operation body can be easily rotated in the opening movement direction, and the operability of the unlocking operation body is good.

  According to the invention of claim 2, the unlocking operation body is located close to the closing movement direction of the unlocking operation body and close to the closing movement direction of the handing operation part, and is a crime prevention device facing and spaced apart from the handing operation part. Since it has the convex part for a crime, crime prevention can be improved.

  According to the invention of claim 3, the crime prevention convex portion has the closed movement direction inclined portion located in the closed movement direction inclined toward the indoor surface side of the opening / closing body, so that the crime prevention performance is further improved. it can.

  According to the invention of claim 4, the convex portion for crime prevention has the inclined portion in the open movement direction that is spaced apart from the handle operating portion and is inclined in the open movement direction toward the indoor surface of the opening / closing body. Therefore, the operability of the unlocking operation body can be further improved.

  An embodiment according to a switchgear of the present invention will be described with reference to the drawings.

  In FIG. 1, 1 is an opening / closing device, and this opening / closing device 1 is a manual window shutter device that opens and closes an opening 3 formed in a building 2 such as a house.

  The opening / closing device 1 includes a pair of left and right guide bodies (guide rails) 5 that are vertically spaced apart from each other via an opening 3. The guide body 5 has a guide groove portion 6 having a substantially U-shaped cross section opened toward the opening portion 3 and having a vertically long longitudinal shape.

  In addition, the opening / closing device 1 has a lower frame body 7 that is a laterally open / closed body contact portion positioned between the lower ends of both guide bodies 5 and a longitudinal length that is positioned between the upper ends of both guide bodies 5. And a substantially box-shaped storage case body 8. As shown in FIG. 4, the lower frame body 7 is attached to the outdoor surface of the wall portion 11 of the building 2, and a plurality of upright plate portions 13 a and 13 b are formed on the upper surface of the wall portion 11 of the building 2 from the base plate portion 12. , 13c is attached to a sash lower frame 14 that rises vertically. The upright plate portions 13a and 13b guide the glass door, and the upright plate portion 13c guides the screen door.

  Inside the housing case 8, a substantially cylindrical winding body (not shown) whose axial direction coincides with the horizontal direction is rotatable in the winding direction and the unwinding direction about the rotation center axis in the horizontal direction. It is arranged.

  Then, the winding body is wound up by rotation in the winding direction of the winding body around the rotation center axis, thereby rising along the opening 3 to open the opening 3, and the rotation center axis The upper end of a substantially planar opening / closing body (shutter curtain) 21 that descends along the opening 3 and closes the opening 3 by being rewound by rotation of the winding body around the center It is attached. In addition, the opening / closing device 1 includes a locking means 23 that restricts the opening (opening movement) of the opening / closing body 21 so that the opening 3 is not opened from the outdoor side of the building 2 when the opening 3 is closed.

  Here, the opening / closing body 21 is an opening / closing body main body portion 26 constituted by a plurality of longitudinally and substantially plate-like opening / closing body constituent members (slats) connected to each other by curls at the upper and lower edges so as to be rotatable. And a contact part (baseboard part) 27 that is rotatably connected to the opening / closing member constituting member at the lower end and contacts the lower frame body 7 when the opening 3 is closed.

  As shown in FIG. 2 to FIG. 4, an engagement rotating body 28 such as a latch is provided in the thickness direction of the opening / closing body 21 (indoor / outdoor) on both ends in the left-right direction of the contact portion 27 constituting the lower end side of the opening / closing body 21. Direction), and is provided so as to be rotatable up and down around a support shaft 29 in the front-rear direction. The shaft portion 30 of the engagement rotating body 28 is inserted into the long hole portion 32 of the slide body 31 that can slide in the left-right direction, and the slide body 31 has a notch 33 formed therein.

  Further, the contact portion 27 of the opening / closing body 21 has an axial portion 35 in the left-right direction that is located over the entire width of the opening / closing body 21 on the inner surface of the lower end portion of the opening / closing body 21 at the upper portion. When the operator unlocks the locking means 23 from the room, the unlocking operation body 36 such as a left-right longitudinal unlocking lever that rotates upward (in the opening movement direction) is centered on the shaft portion 35. It is provided so that it can rotate up and down. The unlocking operation body 36 has a length that extends over substantially the entire width of the opening / closing body 21, and is located at substantially the same height as the sash lower frame 14 when the opening 3 is closed, and is spaced apart from the sash lower frame 14. To do.

  The unlocking operation body 36 is in a locked state (lower position) where the downward rotation of the engagement rotation body 28 is restricted by the downward rotation about the left and right shaft portion 35 of the contact portion 27 of the opening / closing body 21. State (solid line state in FIG. 4), and an unlocking state (upper position state) that allows the engaging rotation body 28 to rotate downward by rotating upward about the shaft portion 35 in the left-right direction (state). State of two-dot chain line in FIG. 4). The unlocking operation body 36 is biased so as to return to the locked state by a biasing means such as a spring (not shown).

  In addition, the unlocking operation body 36 has a handle operating portion 41 for hooking a finger from below (on the side of the closing movement direction) when unlocking the locking means 23 on the upper part close to the opening movement direction. When the lock operating body 36 is in the locked state, the security convex portion 42 that is located below the hand operating portion 41 (on the closing movement direction side) and that faces the hand operating portion 41 is opposed to the lower portion that is closer to the closing movement direction. Have.

  That is, the unlocking operation body 36 has a fitting portion 44 having a substantially C-shaped cross section that is rotatably fitted to the shaft portion 35 of the contact portion 27 of the opening / closing body 21. From left to right, a substantially plate-shaped hand-operated operating portion 41 protrudes upward, and from the lower side of the fitting portion 44, a hollow, security convex portion 42 that extends in the left-right direction is integrated downward. Protruding.

  The handle operating unit 41 includes a flat plate portion 45 that integrally protrudes obliquely upward from the upper side of the fitting portion 44 toward the indoor side when the unlocking operation body 36 is locked, and a tip of the flat plate portion 45. An upwardly convex curved plate portion 46 provided integrally is provided.

  Further, the security convex portion 42 is inclined in the closing direction in which the unlocking operation body 36 is located in a downwardly inclined manner from the position below the front end of the handle operation portion 41 toward the interior side of the opening / closing body 21 when the unlocking operation body 36 is locked. When the unlocking operation body 36 is in the locked state, it is spaced apart from the handle operation unit 41 in the vertical direction and from the position below the tip of the handle operation unit 41 to the indoor surface side of the opening / closing body 21 An upward inclined portion 52 that is an inclined portion in the opening movement direction that is located in an upwardly inclined manner, and a flat plate-like shape that contacts the indoor surface of the contact portion 27 of the opening / closing body 21 when the unlocking operation body 36 is locked. And a contact portion 53. The lower end of the upper inclined portion 52 and the upper end of the lower inclined portion 51 are connected, and this connecting portion 54 is almost directly below the tip of the curved plate portion 46 of the handle operating portion 41 when the unlocking operation body 36 is locked. Located in. The lower end of the lower inclined portion 51 and the lower end of the contact portion 53 are connected, and the upper end of the contact portion 53 is connected to the fitting portion 44. Further, when the unlocking operation body 36 is in the locked state, the tip of the curved plate portion 46 of the hand operating portion 41 is positioned at substantially the same height as the upper ends of the rising plate portions 13a and 13b of the sash lower frame 14. .

  The upper inclined portion 52 guides the finger of the operator's hand toward the hand-operated operation unit 41, and is formed of, for example, a flat plate. Further, as shown in FIG. 5, the lower inclined portion 51 prevents the small tool 50 inserted from the outdoor side through the space between the opening / closing body 21 and the lower frame body 7 from being caught by the hand operating part 41. For example, the unlocking operation body 36 is configured by a downwardly convex curved plate centering on the shaft portion 35 that is the rotation center.

  On the other hand, as shown in FIG. 2, an interlocking body 61 that rotates up and down together with the unlocking operation body 36 is attached to the left and right ends of the unlocking operation body 36. A substantially plate-like lock body 62 is attached to the slide body 31 so as to enter and exit the notch 33 according to the vertical rotation of the operation body 36.

  Further, as shown in FIGS. 1 and 3, on the lower end side of the guide body 5, there is an engagement receiving body 63 such as a latch hook that engages with the engagement rotating body 28 and restricts the lifting of the opening / closing body 21. The engagement receiving body 63 can be moved up and down with respect to the inside of the guide groove portion 6 of the guide body 5. When the opening 3 is closed and the unlocking operation body 36 is in the locked state, the engagement receiving body 63 is engaged with the engagement rotating body 28 in the state of being advanced into the guide groove 6 and the opening / closing body 21 is raised. To regulate. The engagement receiving body 63 is urged by an urging means 65 such as a spring so as to return to the state where it has advanced into the guide groove 6. Further, the engagement receiver 63 has a pair of substantially triangular counter plate portions 66 whose upper portions are rotatably connected to the support shaft 64. The inclined edge portions of the opposing plate portion 66 are connected by a connecting plate portion 67, and the lower edges of the opposing plate portion 66 are connected by an engagement receiving plate portion 68. In addition, a long hole 72 is formed in the opposing plate portion 66, and an insertion shaft 71 is inserted through the long hole 72.

  The locking means 23 is configured by the engagement rotating body 28, the slide body 31, the interlocking body 61, the lock body 62, the engagement receiving body 63, and the like.

  Next, the operation and the like of the opening / closing device 1 will be described.

  When closing the opening 3, the opening / closing body 21 is lowered to the lower limit position where the contact portion 27 of the opening / closing body 21 contacts the lower frame body 7.

  At this time, the projecting engagement rotating body 28 protruding from the side end of the opening / closing body 21 in the middle of the lowering of the opening / closing body 21 moves into the guide groove portion 6 of the guide body 5. When it comes into contact with the inclined connecting plate portion 67, the engagement rotating body 28 does not rotate due to contact with the stopper projection 70, but the engagement receiving body 63 is pushed by the engagement rotating body 28 and supported. It pivots downward about the shaft 64 and enters a retracted state in which it is retracted from the inside of the guide groove 6 and the opening / closing body 21 is allowed to descend.

  When the projecting engagement rotating body 28 descending together with the opening / closing body 21 moves over the retracted engagement receiving body 63 from the lower end of the inclined connecting plate portion 67 of the engagement receiving body 63, The receiving body 63 rotates upward about the support shaft 64 by the urging force of the urging means 65, and returns to the original advanced state.

  Then, the opening / closing body 21 in the closed state is in the locked state in which the opening 3 is closed and the unlocking operation body 36 is in the locked state and the lock body 62 has advanced into the notch 33 of the slide body 31. When an upward external force is applied to the opening / closing body 21 and the opening / closing body 21 is lifted slightly, the contact and engagement between the engagement rotating body 28 and the engagement receiving body 63 restricts the lifting of the opening / closing body 21 in the closed state, The closed state of the opening / closing body 21 is maintained. That is, the projecting engagement rotating body 28 is pushed by the advanced engagement receiving body 63 and attempts to rotate downward, but the slide body 31 abuts against the lock body 62 and is regulated to slide. The combined rotating body 28 does not rotate more than a predetermined amount, the contact engagement between the engaging rotating body 28 and the engagement receiving body 63 is maintained, and the lifting of the opening / closing body 21 is restricted.

  Next, a case where the opening 3 is opened will be described.

  When the opening 3 is opened by a one-action operation using only the unlocking operation body 36, as shown in FIG. The unlocking operation body 36 can be turned upward and the unlocking operation body 36 can be pivoted by operating the unlocking operation body 36 together with the unlocking operation body 36. Since it turns upward about 35 and naturally switches to the unlocked state, the opening / closing body 21 can be lifted as it is. As is apparent from FIG. 4, since there is a sufficient gap between the unlocking operation body 36 and the sash lower frame 14, the unlocking operation body 36 can be easily operated.

  When the operating body 21 is in the unlocked state, when the opening / closing body 21 is lifted, when the projecting engagement rotating body 28 comes into contact with the advanced engagement receiving body 63, the engagement receiving body 63 is inserted into the insertion shaft. 71 does not rotate because it contacts the portion facing the elongated hole 72 of the opposing plate portion 66, but the engagement rotating body 28 is pushed by the engagement receiving body 63 and rotates downward about the support shaft 29, The opening / closing body 21 is allowed to ascend in a non-projecting state in which the opening / closing body 21 is retracted into the contact portion 27 of the opening / closing body 21.

  When the non-projecting engagement rotating body 28 that rises together with the opening / closing body 21 moves away from the upper end of the opposing plate portion 66 of the engagement receiving body 63, the engagement rotating body 28 rotates upward by the urging force of the urging means. And return to the original protruding state.

  Further, as shown in FIG. 5, when the substantially L-shaped small tool 50 is inserted between the opening / closing body 21 and the lower frame body 7 when the opening 3 is closed, the small tool 50 is unwound. The small tool 50 does not get caught by the hand-operated operation part 41 and is locked by the locking means 23 because it hits the lower inclined part 51 of the security convex part 42 of the lock operating body 36.

  As described above, according to the opening / closing device 1, the unlocking operation body 36 has the handle operating portion 41 to be hooked from below at the upper portion, so that the locking means is compared with the configuration having the handle operating portion at the lower portion. When unlocking 23, the unlocking operation body 36 can be easily rotated upward, and the unlocking operation body 36 has good operability and excellent operability.

  Further, since the unlocking operation body 36 has the upper inclined portion 52, by moving the finger along the upper inclined portion 52, the hand operating portion 41 can be smoothly put on the finger. Excellent operability.

  Further, the unlocking operation body 36 has a security convex portion 42 located below the hand operating part 41 when the unlocking operation body 36 is in a locked state, that is, in a lower position state. Since the convex part 42 has the lower inclined part 51, the small tool 50 inserted from the outdoor side is not caught by the hand-operated operation part 41, so that the unlocking operation body 36 can be kept in the locked state, and the crime prevention property. Also excellent.

  Further, when the opening / closing body 21 is raised manually, it is not necessary to rotate the unlocking operation body 36 upward and then change the hand to, for example, the handle portion of the opening / closing body 21, and the unlocking operation body 36 The operation of switching to the unlocked state and the raising operation of the opening / closing body 21 can be performed with one action.

  In order to improve crime prevention, as shown in FIG. 6, the rising plate 80, which is a blocking member for blocking the small tool 50 from being inserted into the room, is directed upward on the upper surface of the lower frame body 7. You may project.

  Further, the lower inclined portion 51 of the unlocking operation body 36 may be configured by a flat plate, and the upper inclined portion 52 may be configured by a curved plate.

  Further, the hand operating part 41 of the unlocking operation body 36 is not limited to the one located over the entire width of the lower end side of the opening / closing body 21, for example, the side end position of the lower end part of the opening / closing body 21, or the opening / closing body 21. It may be located at the center position or the like of the lower end portion. That is, the unlocking operation body 36 may be singular or plural in the width direction of the opening / closing body 21, and may be, for example, one disposed only on either the left or right side of the opening 3. .

  On the other hand, the opening / closing device 1 is not limited to the window shutter device fixed around the opening 3, for example, another shutter device fixed around the other opening, a blind device, a screen device, etc. Of these devices, a plurality of the same type or different types may be arranged side by side.

  Further, when the opening / closing body 21 is a shutter curtain, it is not limited to a configuration using a plurality of slats, etc., a configuration using panels, pipes, sheets, nets, etc., or a configuration combining them appropriately, one sheet The structure etc. which were formed with the member and one plate-shaped member may be sufficient.

  Further, the contacted portion with which the contact portion 27 of the opening / closing body 21 contacts is not limited to the lower frame body 7, and is, for example, a projecting portion protruding from a guide body such as a floor surface or a guide rail. Also good.

  Furthermore, the opening 3 of the building 2 may be a sweep window opening, a high window opening, or a waist window opening. Further, other than the window, for example, a simple opening, an opening with a door, an opening with a sliding door, or the like may be used.

  In addition, the opening / closing body 21 is not limited to one that can move in the vertical direction, that is, can be moved up and down, for example, one that can move in the left-right direction, one that can move in the horizontal direction along the floor surface, etc. It is good also as what can move to the inclination direction inclined with respect to it, or the structure which can move to these compound directions.

  Furthermore, the opening / closing body 21 may be one that is lowered by its own weight when the brake of the opening / closing machine is released and closed by an electric motor or one that is electrically opened / closed by an electric motor. For example, a folding type, a feeding type, a separation polymerization type, or the like may be used.

  Further, the abutted portion with which the front end of the opening / closing body 21 abuts is not limited to the lower frame, and may be, for example, a floor or a protruding portion protruding from a guide body such as a guide rail. Good.

It is a perspective view which shows the switchgear concerning an embodiment of the invention. It is a perspective view which shows the contact part (baseboard part) of the opening / closing body of the opening / closing apparatus same as the above. It is a perspective view which shows the locking means of the opening / closing apparatus same as the above. It is side surface sectional drawing which shows the contact part of the opening / closing body of an opening / closing apparatus same as the above. It is side surface sectional drawing of the state in which the small tool was inserted. It is side surface sectional drawing which shows the lower frame which protruded the prevention member which prevents insertion of a small tool.

Explanation of symbols

1 Switchgear 3 Opening
21 Opening and closing body
23 Locking means
36 Control body for unlocking
41 Hand control part
42 Security convex part
51 Inclined part that is an inclined part in the closing direction
52 Upper inclined part which is inclined part in the opening movement direction

Claims (4)

A movable opening and closing body for opening and closing the opening;
Locking means for restricting the opening movement of the opening and closing body when the opening is closed;
An unlocking operation body that is rotatably provided on the front end side in the closing movement direction of the opening and closing body and that is rotated in the opening movement direction when unlocking the locking means,
The opening / closing device, wherein the unlocking operation body has a hand-operated operation unit that is placed closer to the opening movement direction of the unlocking operation body from the closing movement direction side. The unlocking operation body has a crime prevention convex portion that is positioned closer to the closing movement direction of the handle operating portion and closer to the closing movement direction of the unlocking operation body, and that is spaced from and opposed to the handle operation portion. The switchgear according to claim 1. The unlocking operation body is provided on the indoor surface side of the opening and closing body,
The opening / closing apparatus according to claim 2, wherein the security convex portion has a closed movement direction inclined portion positioned in an inclined direction toward the closing movement direction toward the indoor surface side of the opening / closing body. The unlocking operation body is provided on the indoor surface side of the opening and closing body,
The convex part for crime prevention has an opening movement direction inclined part which is spaced apart and opposed to the hand-operated operation part and is located in an inclination in the opening movement direction toward the indoor surface side of the opening / closing body. The switchgear described.

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