JP2520387Y2 - Casement unlocking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention can be operated from inside and outside by operating handles provided on the outdoor surface and the indoor surface of the window frame that engage with the window frame. The present invention relates to a window unlocking device that can be unlocked.

[Conventional technology]

In a high-rise building, a high-rise hotel, or the like, when a fire occurs, if a room is locked, a firefighter cannot easily enter the room, which often hinders fire extinguishing. In particular, when the window glass is thick, it takes time to break the window glass, and even if the window glass can be broken, there is a possibility that the glass may cause injury.

Therefore, there is known an unlocking device that can be unlocked from the outdoor side in the event of a fire or the like. In such an unlocking device, as shown in FIG. 6, a lock tray 51 is fixed to a window frame 50, and
A connecting rod 53 penetrates through 52, and an indoor handle 54 and an outdoor handle 55 are fixed inside and outside the room at both ends thereof, so that an engaging portion 54a of the indoor handle 54 is disengaged from the lock receiver 51. .

[Problems to be solved by the device]

In such a conventional example, the indoor handle 54 and the outdoor handle 55 are simply connected by the connecting rod 53, which is structurally simple.

However, such a structure cannot be applied to a structure in which a handle on the indoor side is rotated many times, and the unlocking device of this type cannot be unlocked from outside.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide an opening window unlocking device in which a handle on the indoor side is formed in a plurality of rotations, and which can be unlocked by operating an external handle.

[Means for solving the problem]

The present invention is directed to a multi-rotation indoor handle attached to the indoor side of a window frame of an open window, an outdoor handle attached to the outdoor side of the window frame, and a window frame formed by rotating the indoor handle. A first actuating member that moves along, a motion connecting member that engages with the first actuating member and moves accordingly, and a movement window that holds the motion connecting member and moves as the motion connecting member moves A locking member for locking and unlocking the window frame, a release member housed in the operation connecting member, rotatably held by the first actuating member and moving together with the operation connecting member, and this release member. A release member positioning member for positioning with respect to the operation connecting member, and a second actuating member that moves along the window frame in accordance with the rotation of the outdoor handle, and the second operating member is unlocked from the outdoor side. Two
The operating member engages with the releasing member to rotate the releasing member, and moves the operation connecting member and the locking member to the unlocking position via the releasing member while leaving the first operating member on the indoor side in the locking position. Urging; and the release member has an elongated hole,
A connecting pin provided on the actuating member engages with the elongated hole, and the release member is rotated about the connecting pin by the turning operation of the outdoor handle to an intermediate position, and the outdoor handle continues. The release plate moves along the window frame by the rotating operation to move the lock member to the unlock position through the operation connecting member, and at this time, the elongated hole of the release member allows the movement. .

[Action]

When the indoor-side handle is rotated a plurality of times, the first actuating member moves along with the window frame accordingly, and the movement of the first actuating member causes the locking member to move and lock and unlock via the motion connecting member. . The release member held integrally with the operation coupling member also moves together with the first operation member, and the second operation member, which moves together with the handle on the outdoor side, engages with the release member when the handle on the outdoor side rotates. Occasionally, the lock member is moved through the motion connecting member to unlock. This makes the casement window releasable inward.

〔Example〕

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

1 and 2, an opening window 2 is provided in a window frame 1 so as to be openable and closable, and in this embodiment, the opening window 2 can be opened to the indoor side (left side in the drawing).

In the window frame 1, an outer plate 1a is formed on the outdoor side,
The packing 3 attached to the outdoor surface of the window frame 2a of the casement window 2 is in contact with the outer plate 1a. A closing plate 4 is provided at a frame end of the indoor surface of the window frame 2a, and a front end of the closing plate 4 abuts on a front end of the indoor wall 1b of the window frame 1 so as to prevent the casement window 2 from opening outside. It has become.

A lock plate 5 is provided at a position near the indoor side of the window frame 2a so as to be vertically slidable along a guide portion 6, and a predetermined number of lock pins 5a are provided at appropriate positions on the lock plate 5 to lock the lock. An L-shaped lock receiving piece 7 is attached to the opposing wall surface of the window frame 1 corresponding to the pin 5a, and when the lock pin 5a and the lock receiving piece 7 face each other, the window 2 is locked with respect to the window frame 1, When the lock plate 5 is moved upward to shift the height position of the lock pin 5a upward from the height position of the corresponding lock receiving piece 7, the window 2 becomes openable to the indoor side.

On the indoor side of the window frame 2a, a plurality of rotation type indoor side handles 8 are provided. The indoor side handles 8 are provided with a rotary plate 9, and the rotary plate 9 is provided with a storage groove 10 in the diametrical direction.
A foldable handlebar 11 can be inserted into and taken out of the storage groove 10, and a rotary knob 12 is attached to the tip of the handle lever 11.

The indoor side handle 8 is attached to the vicinity of the lower end of the fixed frame 13 at an angle to the window surface, and the fixed frame 13 is fixed to the inner wall of the window frame 2a. A pinion 14 is attached to the rotary plate 9 of the indoor-side handle 8.
The rack 15 meshes with the rack 15 extending vertically in the fixed frame 13. A first actuating plate 16 is attached to the rack 15, and the first actuating plate 16 projects into the window frame 2a and is accommodated in a space 19 of the operation connecting frame m. A part of the release plate 17 as a release member is also housed in the space 19a adjacent to the operating plate 16. The first operating plate 16 has a connecting pin 18
Is fixed, and the connecting pin 18 is engaged with an elongated hole 17a formed in the release plate 17. In FIG. 1, the release plate 17 is provided with a first flat surface 17b that abuts a ceiling wall 19a of the space 19 of the dynamic coupling frame m, and an arcuate surface 17c is formed on the opposite side of the first flat surface 17b. A cutout 17d is formed in the arcuate surface 17c. A protrusion 17e is formed at the right end of the release plate 17 in the figure, the engaging pin 20 projects from the protrusion 17e, and a second flat surface 17g is formed adjacent to the protrusion 17e.

In the notch 17d of the release plate 17, the release plate 17
Steel balls 21 as a positioning member of the steel balls 21 are engaged to hold the release plate 17 in place.
Is fixed by a ball retainer 22 attached to the lower wall of the space 19 of the motion connecting frame m, and the steel ball 21 is biased upward by a coil spring 23 housed in the lower part of the motion connecting frame m, The spring 23 is supported by the plug 24.

On the other hand, a rotary lever type lever handle 25 is provided on the outdoor surface of the window frame 2a, and the lever handle 25 is a fixed frame.
A pinion 27 located in a fixed frame 26 is connected to the base of the lever handle 25, and the pinion 27 meshes with a rack 28 extending vertically in the fixed frame 26. A second actuating piece 30 as a second actuating member is attached to the inner surface of 28 via a connecting plate 29, and the upper surface of this actuating piece 30 faces the engaging pin 20 of the release plate 17.

 Next, the operation will be described.

FIG. 1 shows a state in which the indoor side handle 8 is in the locking position (the lock pin 5a of the lock plate 5 faces the lock receiving piece 7), and at this time, the upper surface of the first operating plate 16 operates. It is in contact with the ceiling wall 19a of the connecting frame m. At the same time, the first flat surface 17b of the release plate 17 also contacts the ceiling wall 19a, and the steel ball 22 as a positioning device engages with the notch 17d of the release plate, so that the release plate 17 maintains the horizontal position. At this time, the connecting pin 18 at the right end of the elongated hole 17a in the figure is engaged, and the engaging pin 20 of the release plate 17 faces the upper surface of the second operating piece 30 apart therefrom.

When the indoor handle 8 is rotated while holding the knob 12 from this state, as shown in FIG. 3, the first operating plate 16 rises, and the operation connecting frame m also rises along with it, and the lock pin of the lock plate 5 moves. 5a shifts upward from the position facing the lock receiving piece 7, and the open window 2 is in an unlocked state in which it can be opened to the indoor side. In addition,
At this time, the release plate 17 maintains its horizontal position.

When returning from the unlocked state to the locked state by the indoor side handle 8, the indoor side handle 8 is reversed to move the first operating plate 16
To lower. As a result, the lock pin 5a of the lock plate 5 is lowered by its own weight to the position where the lock pin 5a of the lock plate 5 faces the lock receiving piece 7 while the operation connecting frame m holds the release plate 17 and returns to the locked state.

Next, when the indoor handle 8 is in the locked position and the outdoor handle 25 is rotated 180 ° in an emergency, the
As shown in the figure, the upper surface of the second operating piece 30 engages with the engaging pin 20 to rotate the release plate 17 about the connecting pin 18 by 90 ° counterclockwise in the figure. At this time, the release plate 17 is released while the notch 17d presses the steel ball 22 and becomes rotatable. From the horizontal position, the release plate 17
The second flat surface 17g rotates 90 ° and the second flat surface 17g operates. Ceiling wall 19a of the connection frame m
Abut. Until this time, the release plate 17 simply rotates, and the motion connection frame m and the lock plate 5 remain stationary.

Further, when the outdoor handle 25 is rotated 180 ° in the same direction and returned to the original position, as shown in FIG.
The motion connecting frame m, which is raised and stationary, raises the lock plate 5 to the unlocked position. At this time, the release plate 17 can be lifted while maintaining the vertical position by shifting the engaging position of the elongated hole 17a with the connecting pin 18. At this time,
The first actuating plate 16 remains stopped at the locking position, and is located below the space 19 of the motion connecting frame m.

When the outdoor handle 25 is rotated once in the opposite direction, the second actuating member 30 is lowered to its original position, and accordingly, the release plate 17 uses the elongated hole 17a and the connecting pin 18 as guides and is in a vertical state. 4, the lock plate 5 and the operation connecting frame m are lowered to the state shown in FIG. 4, and when the second operating piece 30 is further lowered, the release plate 17 is rotated by 90 ° about the connecting pin 18 by its own weight. Take the horizontal position shown in Figure 1.

[Effect of device]

Since the present invention is configured as described above, even when a handle having a plurality of rotations is provided on the indoor side, by rotating the handle on the outdoor side, the open window can be reliably opened with a simple structure. It can be locked. Further, the releasing member has an effect that the releasing member positioning member can surely perform positioning and positioning fixing.

[Brief description of drawings]

FIG. 1 is a partially sectional front view of the unlocking position of the opening window of the present invention,
2 is a sectional view taken along the line II-II of FIG. 1, FIG. 3 is a state diagram of the unlocking device in the unlocked state by rotating the indoor handle, and FIG. 4 is a view of rotating the outdoor handle. FIG. 5 is an explanatory view of an intermediate state when unlocking, FIG. 5 is an explanatory view of an unlocked state when the outdoor side handle is rotated to completely unlock, and FIG. 6 is a plan view of a conventional unlocking device. DESCRIPTION OF SYMBOLS 1 ... Window frame, 2 ... Opening window, 2a ... Window frame, 8 ... Indoor side handle, 16 ... 1st operating plate, 17 ... Release plate, 25 ... Outdoor handle, 30 ... 2nd operating piece.

Claims (2)

(57) [Scope of utility model registration request] 1. A multi-rotating indoor handle attached to the indoor side of a window frame of an open window, an outdoor handle attached to the outdoor side of the window frame, and a window frame rotated by rotation of the indoor handle. A first actuating member that moves along with the action actuating member that engages with the first actuating member and moves with it; and that holds the action actuating member and moves with the action actuating member. A lock member for locking and unlocking the opening window with respect to the window frame; a release member housed in the operation connecting member, rotatably held by the first operating member, and moving together with the operation connecting member; A releasing member positioning member that positions the releasing member with respect to the operation connecting member, and a second actuating member that moves along the window frame with the rotation of the outdoor handle, and when unlocking from the outdoor side The second
The operating member engages with the releasing member to rotate the releasing member, and moves the operation connecting member and the locking member to the unlocking position via the releasing member while leaving the first operating member on the indoor side in the locking position. An unlocking device for a casement window that is characterized by being squeezed. 2. The release member has an elongated hole, and a connecting pin provided on the actuating member engages with the elongated hole, and the release member is rotated by a rotation operation to an intermediate position of the outdoor handle. The connecting plate is rotated about the connecting pin, and the release plate is moved along the window frame by the subsequent rotating operation of the outdoor handle to move the lock member to the unlock position through the operation connecting member.
The unlocking device for an opening window according to claim 1, wherein at this time, the elongated hole of the releasing member permits the movement thereof.