JPH11217958A - Lock mechanism of handle device for multifunctional window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase safety by preventing an accident from occurring on a multifunctional window. SOLUTION: A handle device installed on a kip dray window or a screen 10 of the dray kip window comprises a cylinder lock 6 at the base part 21 of a handle 2. In the space of the handle base 21, a displaceable lock piece 8 is interlocked with the rear end part of an inner cylinder 61 of a cylinder lock 6 through an interlocking means 7, and the inner cylinder 61 is rotated by a key inserted into a key hole so as to engage or disengage one end part 82 of the lock piece 8 with or from an engaging cutout 16 provided in a pedestal 1 of the handle 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock mechanism for a multifunctional window handle device. More specifically,
The present invention relates to a lock mechanism in a handle device that is attached to a kip-drain window or a shoji of a drip-kip window and operates an interlocking rod.

[0002]

2. Description of the Related Art A kip-dray window or a drip-kip window is operated by operating a handle of a handle device mounted on the indoor side of a shoji to lock and fix a shoji to a window frame in a closed state as a reference locking state, or In the kipped state, the shoji can be tilted inward (forward) under the restriction of the opening angle by the stay arm, and further, the shoji can be opened inward about the vertical axis (vertical axis) in the dray state. Things.

[0003] The function of the sliding door of the former kip-drain window is changed in the order of the kipping state and the dray state when the handle is rotated from the reference locking position. Function is changed.

[0004] However, when the above-mentioned multifunctional window is provided in a hospital, a nursery school, or the like, the handle of the conventional one can be freely rotated on the indoor side, so that the manager can lock the sliding door as a reference. Even if it is in a state (closed state) or in a kipped state where the shoji is restricted to half open for ventilation, the elderly or children may turn the handle to the dray position by accident or mischief, The shoji will be fully opened in the dray state, and you may get out of it and cause an accident.

[0005]

SUMMARY OF THE INVENTION The present invention has been proposed in order to allow only an administrator to set an operation for a reference locking state, a kipping state or a dray state of a multifunctional window sash. The purpose of the present invention is to prevent the accident of the multifunctional window in a dray state by incorporating a lock mechanism into the handle, and to enhance the safety of the multifunctional window.

[0006]

To achieve the above object, a lock mechanism in a handle device of a multifunctional window according to the first aspect of the present invention is attached to a kip-dray window or a sash of a drape-kip window to operate an interlocking rod. In the handle device to be provided, a cylinder lock is provided at the handle base, and the rear end of the inner cylinder of the cylinder lock is provided at the rear end of the cylinder lock in the space of the handle base substantially in the diametrical direction of the inner cylinder through a linking means for changing the rotational motion into a linear motion. By displacing a lock piece that can be displaced and rotating the inner cylinder with a key inserted into the key hole at the reference locking position of the handle, one end of the lock piece is engaged with a notch provided on the base of the handle. It is characterized by being made to disengage.

According to a second aspect of the present invention, there is provided a handle device which is attached to a shoji of a kip-dray window and operates an interlocking rod, wherein a cylinder lock is provided at a base of the handle, and an inner cylinder of the cylinder lock is provided in a space of the handle base. A locking piece that can be displaced substantially in the diametrical direction of the inner cylinder is linked to the rear end through a linking means that changes the rotational motion into a linear motion, and the portion corresponding to the reference locking position of the handle on the pedestal is moved to the kip position of the handle. An arcuate engagement groove is provided over a corresponding portion, and one end of the locking piece is disengaged from the engagement groove on the pedestal by rotating the inner cylinder with a key inserted into the keyhole. It is characterized by the following.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to two embodiments shown in the drawings. 1 to 4 show a first embodiment according to claim 1, and FIG. 5 shows a second embodiment according to claim 2.

In the first embodiment shown in FIGS. 1 to 4, reference numeral 1 denotes a hollow pedestal of a handle device which is attached to the indoor side of a kip-drain window or a shoji 10 of a drip-kip window by screws or the like, and 11 denotes a space portion of the pedestal 1. A back plate that covers 12, 11 a is an elongated hole provided in the back plate 11 to penetrate a mounting projection 53 of a rack 52 described below, and 2 is an L-shaped handle attached to the protrusion 13 of the pedestal 1. Each is shown.

A main shaft 31 is fixed to the base 21 of the handle 2 at its flange portion by screws 19 or the like.
An auxiliary shaft 32, which is a square shaft, is fitted into a fitting hole provided on the distal end side of the first shaft 1. A stop pin 3 is provided between the main shaft 31 and the auxiliary shaft 32.
3 are connected.

Further, a click piece 41 and a pinion 51, each of which has a circular front surface, which will be described later, are overlapped and fixed to the tip of the auxiliary shaft 32. Reference numeral 34 in FIG.
At the caulking part at the tip of No. 2, click piece 41 and pinion 5
It plays a role of retaining one.

The main shaft 31 is rotatably fitted into the receiving hole 14 of the pedestal 1 via the bush 15. The click of the click piece 41 is carried out by the rear end of the receiving hole 14 in the pedestal 1. This is achieved by making contact with the peripheral edge on the side. Although not shown, a washer may be provided between the peripheral portion of the pedestal 1 on the rear end side of the receiving hole 14 and the click piece 41.

The click piece 41 has a stepped disk shape and has four fitting grooves 41a at an angle of 90 ° in the circumferential direction. Two balls 4 each energized separately at 42
Together with 3, 43, a click means is constituted.

In FIG. 2, reference numeral 44 denotes a compression coil spring 42 and a ball 43 mounted in a groove in the space 12 of the base 1.
The holding plate is fixed in the space portion 12 to prevent the falling off.

The click means 4 includes a reference locking position (a position shown in FIG. 2) of the handle 2 corresponding to the reference locking state of the sash 10 of the kip-drain window or the drape kip window, the kipping state or the dray state, the kipping position or the dray position. At
Each ball 43 is urged by the compression coil spring 42 to fit into the predetermined fitting groove 41a of the click piece 41, thereby holding the handle 2 in a stable state.

On the other hand, the pinion 51 fixed to the leading end of the auxiliary shaft 32 has a length direction (FIG. 2) in the space 12 of the pedestal 1.
The vertical cross-section is engaged with an L-shaped rack 52 which is slidably guided by a pinion 51 that rotates together with a turning operation (swinging operation) of the handle 2. It reciprocates along the length direction of the pedestal 1.

Further, a mounting projection 53 integrally projecting from the back of the rack 52 is projected rearward through the elongated hole 11a, and the projection 53 has a locking mechanism that has a locking function against a shoji. An operating rod 9 linked to a kip mechanism exhibiting a kipping function and a dray mechanism exhibiting a dray function (both not shown) are connected. Such a multifunctional window handle device is conventionally known.

Next, the main part of the present invention will be described.
As shown in FIG. 2, the cylinder lock 6 is provided on the base 21 of the handle 2 such that the center axis of the cylinder lock 6 is substantially coincident with or parallel to the rotation center axis of the handle main shaft 31.

In the illustrated cylinder lock 6, the inner cylinder 61 is directly inserted into the mounting hole 22 provided in the base 21 of the handle 2, and the peripheral wall 62 of the mounting hole 22 connects the outer cylinder of the cylinder lock. Although it is constituted so as to make, the outer cylinder can be provided as a separate body.

In FIGS. 1 and 2, reference numeral 63 denotes a keyhole of a cylinder lock 6 provided on the front of the handle base 21.
Reference numeral 4 denotes a tumbler for engaging and disengaging between the inner cylinder 61 and the outer cylinder 62.

A space 23 is provided in the mounting hole 22 of the handle base 21 so as to be continuous therewith. In the space 23, a rear end of the inner cylinder 61 of the cylinder lock 6 is provided. A locking piece 8 that can be displaced in a substantially diametrical direction of the inner cylinder 61 is linked through a linking means 7 composed of a set of an eccentric pin 71 and an elongated hole 72 eccentric to the rotation center axis.

The linking means 7 converts the rotational movement of the inner cylinder 61 into a linear movement.

As shown in FIG. 2 and FIG.
A vertical cross section as a whole is formed in, for example, a U-shape, and a long leg portion 82 and a short leg portion 83 are formed at both ends of the main plate portion 81 by being integrally bent.

The locking piece 8 mounted in the space 23 of the handle base 21 is linearly displaced in a substantially diametric direction of the cylinder lock 6 by a guide groove provided in the space 23. It is sealed in the space 23 by a main shaft 31 fixed to the flange 21 by a flange.

The long leg 8 which is one end of the locking piece 8
Reference numeral 2 denotes an engagement notch provided in a protruding portion 13 of the pedestal 1 through a notch 31 a provided in a flange portion of the main shaft 31, and provided at an opening end (left end portion in FIG. 2) of the receiving hole 14 in the pedestal 1. 16 can be selectively engaged when locking the cylinder lock.

The engagement notch 16 is provided at least one at the opening end of the receiving hole 14 in the pedestal 1 in correspondence with the reference locking position of the handle 2. If it is desired to lock with the cylinder lock 6 even in the dray state, another engagement notch may be provided corresponding to the kip position and / or the dray position of the handle 2.

Next, the operation of the first embodiment of the present invention will be described. In the description, the window in which the present invention is implemented is referred to as a Kip-dray window in order to avoid the complexity. When the window is a drape window, the operation is the same.

In FIGS. 1, 2 and 4A,
The handle 2 is in the reference locking position, the shoji 10 is locked in a closed state with respect to the window frame, and the cylinder lock 6 is in the unlocked state.

Accordingly, the handle 2 is freely rotatable. For example, the handle 2 is moved counterclockwise from the reference locking position by 9 degrees.
When the sash 10 is rotated by 0 °, the sash 10 is in a kipped state. When the sash 10 is further rotated by 90 ° in the same direction, the sash 10 is in a dray state.

According to the present invention, when the administrator intends to keep the shoji 10 locked in the closed state, he inserts a key (not shown) as shown by an arrow K in FIG. After rotating the cylinder 61 clockwise, for example, by 180 °, the key may be removed, and the handle 2 is locked to the pedestal 1 by the locking piece 8.

More specifically, FIG.
In the state shown in FIG. 4A, since the long leg portion 82 which is one end of the locking piece 8 is not engaged with the engagement notch 16 in the receiving hole 14 of the pedestal 1, the rotation of the handle 2 is free. It is.

On the other hand, when the inner cylinder 61 is turned by the key as described above, the locking piece linked to the inner cylinder 61 via the linking means 7 slides and displaces in the direction of arrow P in FIG. Its one end 8
2 is engaged with the engagement notch 16 of the pedestal 1, and the turning operation of the handle 2 with respect to the pedestal 1 becomes impossible [FIGS. 3 and 4].
(B)).

In the locked state of the cylinder lock 6, a person who does not have a key other than the administrator cannot operate the handle 2, so the administrator places the shoji 10 in the closed state as intended. Can be.

Next, a second embodiment of the present invention will be described with reference to FIG. The embodiment of the invention of this example is a handle device for a kip drape window, and the handle device for a drip kip window is not an object to be implemented.

However, the configuration of the second embodiment is almost the same as the configuration of the first embodiment. In the second embodiment, only the engagement receiving groove 17 of the pedestal 1 on which the locking piece 8 is disengaged is formed. This is different from the first embodiment. Therefore, here, the description will be mainly given to avoid the duplication of the description as much as possible.

In the second embodiment, an engagement receiving groove 17 for engaging and disengaging one end 82 of the locking piece 8 is provided at a reference locking position of the handle 2 at an opening end of the receiving hole 14 in the pedestal 1. An arc (sector) is formed from the corresponding portion to the portion corresponding to the kip position when viewed from the front.

The angle of the circular arc (sector) of the engagement receiving groove 17 depends on the operating angle of the handle 2, but is usually about 90 ° or more.

As shown in FIG. 5A, when the handle 2 is in the reference locking position in the closed state of the shoji, the inner cylinder 61 is rotated clockwise, for example, by 180 ° with a key to remove the key. In this case, the cylinder lock 6 is locked.

That is, with the rotation of the inner cylinder 61, the locking piece 8 linked to the inner cylinder 61 via the linking means 7 slides and displaces in the direction of arrow P in FIG. , One end 8
2 is engaged with the arc-shaped engagement receiving groove 17 of the pedestal 1 [FIG.
(B)).

In the locked state of the cylinder lock, the locking piece 8
The one end 82 of the inside of the engagement receiving groove 17 having an arc shape
In other words, a range from a position corresponding to the reference locking position of the handle 2 (the position in FIG. 5B) to a position corresponding to the kip position of the handle 2 (the position in FIG. 5C). It can be idle.

Therefore, according to the lock mechanism of the second embodiment, when the lock mechanism is in the locked state, even a person other than the administrator can rotate the handle 2 within a limited range, for example, 90 °. The shoji (shoji) 10 can be set to the reference locked state or the kipped state.

On the other hand, since the handle 2 cannot be rotated to the dray position and the shoji 10 cannot be set in the dray state, the flexibility of management and the safety of the operation of the kip-drain window can be improved. Will be.

In order to unlock the lock mechanisms of both embodiments, the inner cylinder 61 may be turned 180 ° counterclockwise with a key to return to the original position. After unlocking, the handle 2 can of course be rotated over the entire area.

[0044]

According to the lock mechanism of the multifunctional window handle device of the present invention described above, the setting of the handle operation for the standard locking state, the kipping state or the dray state of the sash is performed according to the administrator's intention. So that
This has the effect of preventing accidents in the multifunctional window and improving its safety.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a lock mechanism in a handle device of a multifunctional window according to the present invention in an unlocked state.

FIG. 2 is a vertical side view thereof.

FIG. 3 is a longitudinal sectional side view showing the locking mechanism of the first embodiment in a locked state.

FIGS. 4A and 4B are explanatory views showing the relationship between a locking piece and an engagement notch of a pedestal in the first embodiment, as viewed from the front, where FIG. 4A shows an unlocked state and FIG. Is shown.

FIG. 5 is an explanatory view showing the relationship between a locking piece and an arc-shaped engagement receiving groove of a pedestal according to a second embodiment of the present invention as viewed from the front, and FIG. 5A shows an unlocked state; (B) shows a locked state where the handle is placed at the reference locking position, and (C) shows a locked state where the handle is placed at the kip position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Shoji 1 Pedestal 2 Handle 21 Handle base 16 Engagement notch 17 Engagement receiving groove 2 Handle 6 Cylinder lock 61 Inner cylinder 7 Linkage means 71 Eccentric pin 72 Elongated hole 8 Lock piece 82 One end

Claims (2)

[Claims] 1. A handle device attached to a kip-dray window or a shoji of a drip-kip window and operating an interlocking rod, comprising a cylinder lock at a handle base, and a rear end of an inner cylinder of the cylinder lock in a space of the handle base. By connecting a locking piece that can be displaced in a substantially diametrical direction of the inner cylinder through a linking means for changing the rotary motion into a linear motion, the inner cylinder is rotated by a key inserted into a key hole at a reference locking position of the handle. A locking mechanism in the handle device for a multifunctional window, wherein one end of the locking piece is engaged and disengaged with an engaging notch provided in a pedestal of the handle. 2. A sash on a kip-dray window,
In a handle device for operating an interlocking rod, a cylinder lock is provided at a base of the handle, and a rear end portion of the inner cylinder of the cylinder lock is provided at a rear end of the inner cylinder of the handle in a space of the handle base through a linkage means for changing a rotary motion into a linear motion. A locking piece that can be displaced substantially in the diametrical direction is provided, and an arc-shaped engagement receiving groove is provided from a portion of the pedestal corresponding to the reference locking position of the handle to a portion of the pedestal corresponding to the kip position of the handle. A lock mechanism in a handle device for a multifunctional window, wherein one end of the locking piece is disengaged from an engagement receiving groove in a pedestal by rotating the inner cylinder with a key inserted into the lock.