JPH045660Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a security device for sliding doors that combines a security buzzer and a door lock auxiliary lock.

(Prior art) Conventionally, this type of security device has had a security buzzer and a door lock auxiliary lock each separately, so if you want to use it at home, you have to purchase two pieces, and it is also difficult to attach it to a sliding door. This had the disadvantage of being uneconomical and cumbersome to handle as it had to be done separately. In view of these conventional drawbacks, the present inventor has solved the above drawbacks by integrating the alarm part and the mounting part, and has made this into a practical application.
The application was filed as No. 118239.

(Problem to be Solved by the Invention) However, in the device of the above application, a magnet is attached to a sliding door, and an alarm is issued by operating a reed switch that faces the magnet. This is troublesome, and when changing the mounting position of the device, the position of the magnet must also be changed, which is inconvenient.

(Means for Solving the Problems) The present invention eliminates the above-mentioned drawbacks and provides a security device for sliding doors that can be installed at a desired position with a one-touch operation.

The present invention will be described in detail below with reference to the drawings.

In the drawings, A is an alarm part, B is a mounting part, C is one sliding door, D is a sliding door frame, and E is the other sliding door.

The alarm section A includes a case 1, an alarm sound generating section 11 housed in the case 1, and a limit switch 12 protruding from the side surface of the case 1 facing the other sliding door E. The limit switch 12 is the alarm generating section 11
When a sliding door C or E such as a window is opened by the limit switch 12, the circuit of the alarm sound generating section 11 is connected by pressure from the side surface of the sliding door E. Furthermore, in case 1, the alarm generating part 1
A battery 14 that serves as a power source for the 1 is housed. A household power source may be used instead of the battery 14. Further, a switch 15 for controlling the operation of the alarm sound generating section 11 may be provided.

The mounting portion B includes a sliding door pressure contact plate 2, a sliding door frame pressure contact plate 5, a spring 6, and an operating lever 7. Sliding door press plate 2
is extended so as to be substantially flush with the outer surface of the alarm section A on the sliding door C side of the case 1, that is, the back surface of the case 1. Although the extending direction is downward in the case of the figure, it may be extended to the side or upward as long as it does not interfere with the installation of the security device. Further, the sliding door pressure contact plate 2 may be molded integrally with the case 1, or may be fixed and integrated with the case 1 by fitting, screwing, adhesive, etc. after molding separately. Further, it is preferable to provide an anti-slip material 8 made of rubber, soft synthetic resin, etc. on the outer surface of the sliding door press-contacting plate 2 facing the sliding door C. In this case, the outer wall of the anti-slip material 8 is provided with irregularities such as a serrated cross section. You can leave it there.

The case 1 and the sliding door frame pressure contact plate 5 are connected by a support rod 4. That is, the support plate 3 extends downward from the surface of the case 1 substantially parallel to the sliding door pressure contact plate 2, and the support plate 3 has a through hole 31 into which one end of the support rod 4 is inserted. Note that the support plate 3 and the sliding door pressure contact plate 2 may be integrally formed in a box shape.

The support rod 4 slidably supports a sliding door frame press-contact plate 5, which will be described later.One end of the support rod 4 is fitted into a through hole 31 of the support plate 3, so that the support rod 4 is placed almost horizontally with respect to the support plate 3. is supported by That is, a groove 4 is formed at the end of the support rod 4 inserted into the through hole 31 of the support plate 3.
1 is carved into the groove 41, and the upper end of the locking plate 42 is inserted into the groove 41, so that one end of the support rod 4 is inserted into the through hole 31 of the support plate 3.
It is designed so that it does not fall out. Further, it is preferable that the support rod 4 is moved horizontally into the through hole 31 of the support plate 3 so that the distance between the case 1 and the sliding door frame pressure contact plate 5 can be adjusted. , screw the adjustment screw 44 from the sliding door pressure contact plate 2 into the female threaded hole 43 carved in the locking plate 42, and by rotating this adjustment screw 44, the locking plate 42
may be moved together with the support rod 4 along the adjustment screw 44, or the adjustment screw 44 may be screwed into the locking plate 42 from the support plate 3 side,
Adjustment screw 44 directly from the sliding door pressure contact plate 2 side to the support rod 4
You can also screw it in. In addition, when moving the support rod 4 in the horizontal direction, it is preferable that the moving length of the support rod 4 is visible from the outside.For example, as shown in the figure, the lower end of the locking plate 42 is tapered, so that A peephole 32 is bored in the bottom wall of the press plate 2 and the support plate 3, and the position of the lower end of the locking plate 42 is confirmed through the peephole 32, thereby determining the moving length of the support rod 4. You can also use the peephole 32.
It is preferable to attach a scale to the edge of the locking plate 42 so that the locking plate 42 can be easily adjusted.

Further, a spring receiver 45 to which one end of a spring 6 (described later) is locked is formed at the other end of the support rod 4, and near the center of the support rod 4, a leg portion 72 of an operating lever 7 of a sliding door frame pressure contact plate 5 (described later) is formed. An insertion hole 46 through which the is inserted is formed. It is preferable that the support rod 4 has a rectangular cross-sectional shape to avoid rotation.

The sliding door frame pressure contact plate 5 is arranged substantially parallel to the sliding door pressure contact plate 2 at a predetermined distance from the sliding door pressure contact plate 2,
This sliding door frame pressure contact plate 5 is provided with a through hole 54, into which the support rod 4 is inserted so as to be slidable in the horizontal direction. That is, from the periphery of the through hole 54 of the sliding door frame pressure contact plate 5 in the direction opposite to the sliding door C, a cylinder 51 having a cross-sectional inner shape approximately equal to the cross-sectional outer shape of the support rod 4 is integrally formed, and the support rod 4 is connected to the through hole. 54 to cylinder 51
Alternatively, the support rod 4 may be provided with a groove in the longitudinal direction, and the sliding door frame press plate 5 may receive a guide that slides along the groove. good. Also, the sliding door frame D of the sliding door frame pressure contact plate 5
Preferably, a non-slip member 8 made of rubber, soft synthetic resin, or the like is provided on the surface facing.

The spring 6 is used to separate the sliding door pressure contact plate 2 and the sliding door frame pressure contact plate 5 from each other by its repulsive force or tensile force. In the case shown in the figure, a coil spring having a repulsive force presses the other end of the support rod 4 and the sliding door frame. Although it is inserted between the spring receivers 45 and 52 formed at the bottom of the cylindrical body 51 of the plate 5, it has a repulsive force on the outer wall of the support rod 4 between the support plate 3 and the sliding door frame pressure contact plate 5. A coil spring 6 may be inserted, or a coil spring 6 having a tensile force may be used to connect the tip of the support rod 4 and the sliding door frame pressure contact plate 5.
You can also pull it directly with .

The operating lever 7 is for narrowing the distance between the sliding door pressure contact plate 2 and the sliding door frame pressure contact plate 5 against the force of the spring 6. The operating lever 7 has an operating portion 71 and a protruding portion 73. The leg part 72 passes through the insertion hole 46 of the support rod 4 from the notch 47 formed in the upper part of the cylindrical body 51 of the sliding door frame pressure contact plate 5, and the leg part 72 passes through the insertion hole 46 of the support rod 4 into the cylinder of the sliding door frame pressure contact plate 5. It is inserted into a bearing part 53 formed in the body 51 and is rotatably attached to this bearing part 53. Then, by placing a finger on the operating part 71 of the operating lever 7 and tilting it down as shown in FIG. The support rod 4 is pushed into the cylindrical body 51 while being moved.

(Operations and Effects of the Invention) The security device of the present invention is constructed as described above, and when using it, for example, in a sliding window made of aluminum sash, press the operating portion 71 of the operating lever 7 with your finger. , as shown in FIG. 2, tilt the operating lever 7 to narrow the distance between the sliding door pressure contact plate 2 and the sliding door frame pressure contact plate 5. In this state, the sliding door pressure contact plate 2 and the sliding door frame pressure contact plate 5 are inserted between the lower part of the inner surface of the closed sliding door C and the lower part of the inner sliding door frame D, and the operating part 71 of the operating lever 7 is inserted. Remove your finger. Then, due to the repulsive force of the spring 6, the distance between the sliding door pressure contact plate 2 and the sliding door frame pressure contact plate 5 attempts to restore to the original distance, and the sliding door pressure contact plate 2 and the sliding door frame pressure contact plate 5 are separated from each other by this restoring force. is pressed against the sliding door frame D.

As described above, the security device of the present invention is extremely convenient because it can be attached to a desired position on a sliding door by a so-called one-touch operation of pushing down the operating lever with a finger.

Furthermore, if you try to open either the sliding door C or the sliding door E from outside after installing the security device of the present invention, it will be difficult to open due to the pressing force of the sliding door press plate 2 and the sliding door frame press plate 5. When the sliding door is forcibly opened, the side surface of the other sliding door E presses a limit switch 12 protruding from the side surface of the case 1, and the operation of the limit switch 12 connects the circuit of the alarm sound generating section 11 and issues an alarm.

As mentioned above, the crime prevention device of the present invention issues an alarm by operating a limit switch protruding from the side of the case, so in summer, for example, the sliding door may be left slightly open to improve ventilation. When installing the security device of the present invention, there is no need for troublesome work such as changing the adhesion position of the reed switch and the corresponding magnet as in conventional devices, which is extremely convenient.

[Brief explanation of the drawing]

Figure 1 is a vertical cross-sectional view showing an example of the security device for sliding doors of the present invention, Figure 2 is a vertical cross-sectional view showing the operating lever of the device shown in Figure 1 in a folded state, and Figure 3 is a view showing the use of the present invention. It is a perspective view showing a state. A... Alarm part, B... Mounting part, C... One sliding door, D... Sliding door frame, E... Other sliding door, 1... Case, 11... Alarm generating part, 12... Limit switch, 2...Sliding door pressure contact plate, 4...Support rod, 5...
...Sliding door frame pressure contact plate, 6...Spring, 7...Operation lever.

Claims (1)

[Scope of utility model registration request] Alarm part A placed near the inner surface of one sliding door C
and a mounting part B attached between the sliding door C and the sliding door frame D, and the alarm part A faces the case 1, the alarm sound generating part 11 housed in the case 1, and the side surface of the other sliding door E. A limit switch 12 is provided protruding from the side surface of the case 1 of the alarm section A, and the limit switch 12 is configured to connect the circuit of the alarm sound generating section 11 when pressed by the side surface of the sliding door E. An extended sliding door pressure contact plate 2, a sliding door frame pressure contact plate 5 arranged substantially parallel to the sliding door pressure contact plate 2 at a predetermined interval, and separated by the force of a spring 6, and the spring 6.
This security device for sliding doors has an operation lever 7 that can narrow the distance between the plates 2 and 5 against the force of the sliding door.