JP2504719B2 - Lock member drive - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock member drive incorporated in a shutter for a building or the like and operated by a pushing means such as a push button type lock to move a lock member such as a rod or a wire to an unlocked position. It relates to the device.

[0002]

2. Description of the Related Art A linear movement of a push-pushing means such as a push button on a surface orthogonal to a front plate portion of a bottom rail of a shutter is converted into a linear movement or an approximate linear movement of a lock member on a surface parallel to the front plate portion. Various driving structures are already known as driving devices.

However, since the stroke of the pushing means is relatively long in most of the conventional devices, it is necessary to set the depth of the shutter relatively deeply correspondingly, and the design size of the shutter is restricted by the lock member driving device. It was decided.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a lock member drive device which can be provided even for a shallow shutter because the stroke of the pushing means can be held relatively short. is there.

[0005]

The lock member driving device according to the present invention includes a pair of left and right supports 2 on the upper rear side of the left and right end portions of the base plate 1 according to the present invention. The passive plate 4 is arranged diagonally downward, the passive plate 4 is arranged in the left and right lateral directions behind the central opening 3 of the base plate 1, and the pair of left and right operation arms 5 are projected on the front side of the left and right end portions of the passive plate 4. Then, the middle portion of each operation arm 5 is pivotally attached to the tip end portion of each support 2 by the pivot 6 parallel to the base plate 1.

The middle bent portions of a pair of left and right L-shaped interlocking links 7 are provided at the middle portions on the back side of the left and right ends of the base plate 1.
A pressing projection 10 that is pivotally attached by a pivot 8 that is orthogonal to and that contacts the horizontal arm 9 of each interlocking link 7 is provided at the tip of the operation arm 5, and a lock member 12 is provided at the tip of the vertical arm 11 of each interlocking arm 7. The mounting portion 13 is provided, and the pushing means 14 of the passive plate 4 is arranged in the central opening 3 of the base plate 1.

[0007]

When the pushing means 14 is moved linearly in the plane orthogonal to the base plate 1, the passive plate 4 pushed by the pushing means 14 rotates about the pivot 6 and the operating arm 5 of the passive plate 4 is rotated.
Pushes the horizontal arm 9 of the interlocking link 7 by the pushing protrusion 10 at the tip. Therefore, the interlocking link 7 rotates about the pivot 8 in parallel with the base plate 1, and the vertical arm 11 moves inward.

The lock member 12 connected to the mounting portion 13 of the vertical arm 11 is pulled and driven inward, the tip of the lock member 12 is disengaged from the receiving member 15, and the shutter 17 is locked to the fixed frame 16 of the building. Is released.

[0009]

In the illustrated embodiment, a round bar type locking member 12 is used.
Is inserted into a guide member 19 provided on the bottom rail 18 of the shutter 17 and guided so as to move linearly. A compression coil spring 21 is inserted between the stop flange portion 20 of the lock member 12 and the guide member 19 to urge the lock member 12 to slide to the locked position.

The passive plate 4 of the lock member driving device and the compression coil spring 21 can also be used as the return urging means of the interlocking link 7. However, in this embodiment, the support 2 is provided with the spring mounting protrusion 22 and the passive plate 4 is provided. A spring mounting hole 23 is provided in the and a tension coil spring 24 is mounted between them.

[0011]

As described above, in the lock member driving device of the present invention, the intermediate portions of the pair of left and right operation arms 5 of the passive plate 4 are parallel to the base plate 1 at the tips of the pair of left and right supports 2 of the base plate 1. A pair of left and right L is attached to the base plate 1 by a simple pivot 6.
An intermediate bent portion of the character-shaped interlocking link 7 is pivotally attached by a pivot 8 orthogonal to the base plate 1, and a pressing protrusion 10 that abuts the horizontal arm 9 of the interlocking link 7 is provided at the tip end portion of the operation arm 5.
The lock member 1 is attached to the tip of the vertical arm 11 of the interlocking arm 7.
Since the second mounting portion 13 is provided, the central opening 3 of the base 1
The linear motion of the pushing means 14 arranged in the plane orthogonal to the base plate is smoothly converted into the reciprocating movement of the lock member 12 in the plane parallel to the base plate 1, and the stroke of the pushing means 14 is relatively short. Therefore, it can be incorporated into the lock mechanism of a shallow building shutter without any trouble.

[Brief description of drawings]

FIG. 1 is a front view of a lock member driving device according to an embodiment of the present invention.

FIG. 2 is a rear view of the lock member driving device.

FIG. 3 is a left side view of the lock member driving device.

FIG. 4 is a sectional view taken along line AA of FIG. 1;

[Explanation of symbols]

 1 base plate 2 support 3 central opening of base plate 4 passive plate 5 passive plate operation arm 6 passive plate pivot 7 interlocking link 8 interlocking link pivot 9 interlocking link horizontal arm 10 operating arm push protrusion 11 interlocking link Vertical arm 12 Lock member 13 Lock member mounting portion 14 Pushing means 15 Support spring mounting portion 16 Building fixed frame 17 Shutter 18 Bottom shutter rail 19 Lock member guide member 20 Lock member stop collar 21 Lock member Biasing compression coil spring 22 Support spring mounting protrusion 23 Passive plate spring mounting hole 24 Passive plate and interlocking link tension coil spring

Claims (1)

(57) [Claims] 1. A pair of left and right supports 2 are provided obliquely downwardly on the upper back side of the left and right ends of the base plate 1 to form a base plate 1.
The passive plate 4 is arranged in the left-right lateral direction at the rear side of the central opening 3, and a pair of left and right operation arms 5 are projectingly provided on the front side of the left and right ends of the passive plate 4, and the middle part of each operation arm 5 is It is pivotally attached to the tip of each support 2 by a pivot 6 parallel to the base plate 1,
Intermediate bent portions of a pair of left and right L-shaped interlocking links 7 are pivotally attached to a middle portion on the rear side of the left and right ends of the base plate 1 by a pivot 8 orthogonal to the base plate 1 and abut on a horizontal arm 9 of each interlocking link 7. The pressing protrusion 10 is provided at the tip of the operation arm 5,
A lock member drive device in which a mounting portion 13 of a lock member 12 is provided at a tip end portion of a vertical arm 11 of each interlocking arm 7, and a thrusting means 14 of a passive plate 4 is arranged in a central opening portion 3 of a base plate 1.