JPH0332219Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention comprises a handle rotatably attached to one side of the shoji and the shoji or the shoji and the frame, and a pedestal fixedly attached to the other, and coaxially with the handle. In a locking device for a sash, which locks a shoji by engaging a locking arm provided to rotate in conjunction with a handle with a locking protrusion protruding from a base,
The present invention relates to a locking device for a sash locking device that locks a locking arm in a state in which it is engaged with a locking protrusion.

BACKGROUND TECHNOLOGY As mentioned above, a double locking device for further locking a sash locking device that is locked by a locking arm is disclosed in U.S. Pat.
No. 164566, No. 168766, No. 168766, No. 168766, No. 168766, No. 168766
There are No. 174758, Utility Model No. 179760, etc. All of these conventional devices use a so-called lock device consisting of a key and a lock when performing double locking.

Problems to be Solved by the Invention As mentioned above, all of the conventional devices described above perform double locking using a locking device, so it is possible to ensure the security effect of preventing intrusion from the outside. . However, in these conventional devices, a key must be used to open the double lock, which makes it difficult to respond quickly in emergencies such as fires and earthquakes, which can be a big problem, especially at night. There is a risk that Furthermore, not only this, but if the location of the key is unknown due to the absence of the key holder, not only will it be a serious situation where the key cannot be released.
There are also problems such as the loss of keys, and there are disadvantages such as not being suitable for home use where management is not thorough.

Means for Solving the Problems The present application has improved the above-mentioned drawbacks of the conventional device into a device that performs double locking without using a locking device as described below, and overcomes the drawbacks of the conventional device without reducing the crime prevention effect. It is excluded.

That is, the present application includes a handle rotatably attached to one of the shoji and the shoji or the shoji and the frame, and a pedestal fixedly attached to the other, and is provided coaxially with the handle so as to rotate in conjunction with the handle. In a sash locking device in which a locking arm is engaged with a locking protrusion protruding from a pedestal to lock a shoji, the pedestal is provided with a locking portion, and the locking arm is provided with a locking piece and a knob. A locking body integrally provided with a locking piece is moved to a locked position where the locking arm can be engaged with the locking protrusion and an unlocked position where the locking arm cannot be engaged with the locking part. A fixed pin is provided on one of the sliding surfaces of the locking body and the locking arm, and the locking body is provided on the other side of the sliding surface of the locking arm. The locking member is characterized by being provided with a fixing groove that engages with the fixing pin to prevent rotation of the locking member when it moves linearly at the locked position.

Embodiments The present application will be described in detail below with reference to drawings showing embodiments. The present application can be widely applied to single-slip, double-slip, bypass sashes, etc., but in the description of the embodiments, a case where the present invention is applied to the single-slide sash shown in FIG. 3 will be described.

In FIG. 1, reference numeral 1 denotes a well-known locking device for a sash, in which a handle 4 is rotatably pivoted to a stile 3 of an outdoor shoji 2, and a locking arm 5 that rotates in conjunction with the handle 4. It is pivoted coaxially with the handle 4. In addition, a locking protrusion 7 is provided on the mullion 6 on the indoor side that corresponds to the connecting frame 3 when the shoji 2 is closed (or the connecting frame of the indoor shoji in the case of double sliding) in correspondence with the locking arm 5. The protruding pedestal 8 is attached, and the locking roller 9 of the rotating locking arm 5 engages with the locking protrusion 7 to lock the shoji 2 as before.

As described above, the locking device 10 of the present invention is as follows. As shown in the drawings, the tip of the locking arm 5 in this embodiment is a semicylindrical hollow casing 11 (Fig. 4). The locking body 14 of the locking device 12 is fitted to allow forward and reverse rotation and reciprocating movement in the longitudinal direction, that is, in the left-right direction in FIG. As is clear from FIG. 4, the casing 11 is provided with a through hole 13 that opens from its lower surface to the side surface facing the pedestal 8. The locking body 14 of the locking device 12 includes:
A locking piece 15 is provided that passes through the through hole 13 and points outward of the casing 11, and the tip of this locking piece 15 is designed so that it does not protrude outside the side wall in the normal state when the lock is released. is being done.
Further, in this embodiment, the locking roller 9 is rotatably attached to the side wall of the casing 11, as shown in FIG.

Next, a method for integrally preventing rotation of the locking body 14 and the casing 11 while the locking piece 15 is locked with a locking protrusion described later is carried out as follows. In FIG. 5, 16 is the casing 11
The fixing groove 16 is a guide groove 16a extending in the arcuate surface of the casing 11, that is, in the rotation direction of the locking body 14, and a guide groove 16a extending in the longitudinal direction (reciprocating direction) from the lower part of the guide groove 16a. , and a locking groove 16b protruding toward the outdoor shoji 2, forming an inverted L shape, and the length of the guide groove 16a is approximately equal to the length of the rotation range of the locking device 12. It is set to 18 is a fixing pin implanted in the locking body 14 of the locking device 12 and facing the fixing groove 16;
Fixed pin 18 in the normal state with the lock released.
is located at the uppermost end of the guide groove 16, as shown in FIG.

Finally, reference numeral 19 denotes a locking projection exemplified as a locking portion protruding from the base, and as shown in FIG. 7, the locking device 1
The height and length are set so as not to interfere with the side wall of the casing 11 and the locking roller 9, so that the locking piece 15 corresponds to the locking piece 15 of the locking device 12 when the lock is locked.

From the unlocked state shown in FIG. 1, turning the handle 1 as shown in FIG. 5 to lock the door is the same as in the prior art. At this time, the rotation locus of the locking arm 5 (the tip of the casing 11) is as shown by the imaginary line in FIG. The dimensions are set as follows, and the locking piece 15 of the locking device 12 is
As mentioned above, when the locking arm 5 is released, it is positioned so that it does not protrude outward from the side wall, so when looking three-dimensionally at the rotation of the locking arm 5 from the indoor side (right side in Fig. 1), The rotation locus of the casing side wall is as shown in the imaginary line in Figure 2, so there is no interference.
The handle 4 can be rotated freely in forward and reverse directions.

In the state shown in FIG. 5 in which the handle 4 is rotated to lock the door, the locking device 1 is locked in the following manner. Needless to say, in the state shown in FIG. 5, the locking piece 15 of the locking device 12 is positioned as shown by the dotted line in FIG. In the above manner, the knob 17
When the locking body 14 is rotated counterclockwise in FIG. 7 by hand, the locking piece 15 rotates as shown in FIG. will be controlled. Furthermore, when the locking body 14 rotates as described above, it reaches the uppermost end of the guide groove 16a (the fifth
Figure) The fixing pin 18 rotates downward within the guide groove 16a and moves to its lowest end.

Due to the rotation of the locking body 14, the locking piece 15 locks on the locking protrusion 19, and the rotation locus of the tip of the locking piece 15 is the seventh
As shown by the imaginary lines in the figure, the rotation of the locking arm 5 is in a positional relationship that should be restrained. However, as is clear from the drawings, since no rotation is provided between the locking device 12 and the casing 11, when the handle 4 is turned, the locking device 12
At the same time, the handle 4 is turned in the opposite direction, and the locking between the locking piece 15 and the locking protrusion 19 is naturally released, so that the handle 4 is turned in the opposite direction to release the lock and the locking device 1 is unlocked. In view of the above, in this embodiment, the locking device 12 is rotated as described above, and when the locking piece 15 locks with the locking protrusion 19 and the fixing pin 18 reaches the lowest end of the guide groove 16a, the locking device 12 is rotated as described above. The locking device 12 is pushed into the casing 11 and the fixing pin 18 is fitted into the locking groove 16b. By fitting the fixing pin 18 into the locking groove 16b in this manner, the locking device 12 is fixed to the casing 11, and the two become like an integral structure, and the locking device 12 is locked. 4 cannot be rotated and the lock cannot be unlocked. Further, the above-mentioned double locking can be released very easily by pulling out the locking device 12 and rotating it in the opposite direction to the above-described operation.

In the above embodiment, the fixing groove 16 is provided in the casing 11 and the fixing pin 18 is provided in the locking body 14, and the locking device 12 is pushed in. Locking device 12
Alternatively, the fixing groove 16 can be attached to the locking body 14 and the fixing pin 18 can be attached to the casing 11. Furthermore, in the above embodiment, the locking device 12 is biased toward the outdoor shoji 2 by the spring, but if a lining made of resin or the like is applied to the fitting surface with the casing 11, the locking device 12 is fixed in the locking groove 16b. It is preferable that when the pin 18 is fitted, the fitting can be ensured without coming off due to vibration or other causes.

Next, another embodiment of the present application will be described with reference to FIGS. 8 and 9, but the explanation of the same parts as the first embodiment will be omitted and only the different parts will be explained.

In FIG. 9, 111 is a hollow casing provided at the tip of the locking arm 5.
11 includes a locking device 112 that allows forward and reverse rotation in the left-right direction in FIG. 10 and reciprocating movement in the longitudinal direction, that is, in the left-right direction in FIG. 9, by manual operation.
mate. As is clear from the drawings, in this embodiment, the locking device 12 is fitted in a direction perpendicular to the shoji 2 in the first embodiment, whereas in this embodiment, the locking device 12 is fitted in a direction perpendicular to the shoji 2. It is fitted into the casing 111 so that. As is clear from FIGS. 10 and 12, the casing 111 has a through hole 113 that opens from its lower surface to the circumferential surface on the side facing the shoji 2 when the lock is locked by the locking device 1. is drilled. Locking device 11
A locking piece 115 that penetrates through the through hole 113 and projects outward from the casing 111 is provided on the second rod locking body, and this locking piece 115 is attached to the locking device 1 as shown in FIG. However, the locking device 110 is not yet locked and is oriented approximately in the 7 o'clock direction. Furthermore, in this embodiment, the locking roller 9
is rotatably provided on the end face of the casing 111, as shown in FIG.

116 is the casing 111 as in the above embodiment.
A fixing groove drilled in the guide groove 116a and the locking groove 1
16b, and its relative dimensions are the same as in the first embodiment. The locking body 114 is also provided in the fixing groove 116 in the same manner as described above.
The fixed pin 118 implanted in the lock faces the fixed pin 118.
As shown in FIG. 9, it is located at the uppermost end of the guide groove 116.

Finally, 119 is a locking protrusion 7 protruding from the pedestal 8.
This is a locking groove exemplified as a locking part provided along the locking surface 7a, the uppermost end of which is a locking surface 119a, and the locking protrusion 1 is provided on the locking surface 119a.
Locking is performed by engaging 15.

When the handle 4 is turned from the unlocked state shown in FIG.
As shown in the figure, since no interference occurs, the handle 4 can be rotated forward and backward without any problem to lock and release, and in the locked state shown in FIG. It has entered near the edge.

As described above, when the knob 117 is picked by hand and the locking device 112 is turned clockwise in FIG. 10, the locking piece 115 also rotates in the locking groove 119 and becomes locked as shown in FIG. The fixing pin 118 is locked to the stop surface 119a, and due to this rotation, the fixing pin 118, which was previously located at the uppermost end of the guide groove 116a, moves to the opposite side, that is, the lowermost end of the guide groove 116a. If the locking device 112 is turned and the locking piece 115 is locked as described above, as is clear from FIG. It interferes with the surface 119a. However, in this state, the locking device 112 is not provided with any means to prevent it from turning in the opposite direction, as in the above embodiment, so by turning the handle 4 in the opposite direction, the locking device 112 is also turned in the reverse direction and the lock is released. . Therefore, in this embodiment as well, the locking device 112 is connected to the casing 11 as in the above embodiment.
1 and insert the fixing pin 118 into the locking groove 116.
b, and the locking device 112 is fitted into the casing 111.
The handle 4 is integrally fixed and locked, and the handle 4 cannot be rotated. Also, the lock can be opened easily by pulling out the locking device 112 and rotating it in the opposite direction, as described above.

Furthermore, each of the modifications described for the above first embodiment, such as reversing the attachment of the fixing groove 116 and the fixing pin 118 and biasing the locking device 112 with a spring, can be applied to the present embodiment. All of these are also applicable.

Effects of the Device As detailed above, the present locking device is capable of double locking and unlocking without using a locking device unlike conventional devices, so it is possible to improve the crime prevention effect. It has become possible to quickly respond to emergencies day and night, and there is no need for special management such as storing keys as in the past, making it extremely useful especially when applied to household sashes.

[Brief explanation of the drawing]

Figure 1 is an enlarged sectional view taken along the line A-A in Figure 3, Figure 2 is a right side view of Figure 1, Figure 3 is a front view of the indoor side of the single-drawn sash, and Figure 4 shows only the main parts. B in Figure 2
-B line sectional view, Figure 5 is a sectional view showing the locked state,
Fig. 6 is a sectional view showing the locked state, Fig. 7 is a right side view of Fig. 6 with a part cut away to show only the essential parts, and Fig. 8 is a sectional view showing another embodiment with a part cut away. figure,
Figure 9 is a right side view of Figure 8, Figure 10 is a sectional view of the locked state, Figure 11 is a sectional view of the locked state, and Figure 1 is a sectional view of the locked state.
Figure 2 is an explanatory diagram of the operation. 1... Locking device, 4... Handle, 5... Locking arm, 7... Locking protrusion, 8... Pedestal, 10, 1
10... Lock device, 14, 114... Locking body,
15, 115... Locking piece, 16, 116... Fixing groove, 17, 117... Knob, 18, 118... Fixing pin, 19... Locking protrusion (locking part), 119...
...Latching groove (locking part).

Claims (1)

[Scope of utility model registration request] It is equipped with a handle rotatably attached to one side of the shoji and the shoji or the shoji and the frame, and a pedestal fixedly attached to the other, and a locking arm that is coaxial with the handle and rotates in conjunction with the handle. In a locking device for a sash, which is adapted to lock a shoji by engaging with a locking protrusion protruding from a base, the base is provided with a locking portion, and the locking arm has a locking piece and a knob integrated into one. The provided locking body is positioned such that the locking piece moves between a locked position where the locking arm can be engaged with the locking part and an unlocked position where the locking arm cannot be engaged, with the locking arm being engaged with the locking protrusion. A fixed pin is provided on one of the sliding surfaces of the locking body and the locking arm, and a fixing pin is provided on the other side of the sliding surface of the locking body and the locking arm so that the locking body can be moved linearly by a predetermined amount in the locked position. A locking device for a sash locking device, comprising a fixing groove that engages with the fixing pin in a moved state to prevent rotation of the locking body.