JPS5932697Y2 - Lightweight electric grill shutter locking device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a locking device for a lightweight electric grill shutter.

Conventionally, as a locking device for an electric grill shutter, a locking method has been considered in which a shutter curtain and a rail are fixed.

In this method, the locking device is not electrically linked to the pushbutton switch or the opening/closing machine, so the shutter must be manually locked after being electrically closed, and in order to open the shutter, the shutter must be manually unlocked and then electrically opened using the pushbutton switch. This is troublesome as it requires double operations.

The present invention simplifies such operations so that they only need to be operated in one motion.By electrically interlocking the pushbutton switch, locking device, and opening/closing machine, there is no need to worry about motor burnout caused by forgetting to open the switch or forgetting to lock the door after closing the door. This is how it was done.

Furthermore, by providing the locking device within the shutter case, the present invention attempts to provide a locking device that is suitable for crime prevention.

Embodiments will be described below with reference to the accompanying drawings.

1 is a guide for the grill shutter. The pipe 2 of the grill shutter is guided by the guide plate 3 and the lintel is moved upwards.
down.

4a and 4b are lock levers, which are composed of a pair of levers whose tips are bent into an arc shape, and which lock the windows and the right guide plate 3, respectively.
penetrates through.

5 is a connecting link whose tip is connected to one lock lever 4a via a pin 5a, and 6 is the other lock lever 4b.
This is a connecting link that is connected via a pin 6a.

The connecting link 5 has a pin 5b at the tip of the Z-shaped sink 7a at the other end.
and the other end of the connecting link 6 and the guide plate 3 at the intermediate part.
They are connected by a shaft 8 fixed to the bottom of the.

The connecting link 6 is connected to the lock lever 4b by a pin 6a, and at the same time is connected to the tip of the Z-shaped sunk 7b by a pin 6a.

A solenoid 9 is operated in conjunction with a push button (not shown).

A return spring 10 always urges the rod 11 of the solenoid 9 in the locking direction (rightward in the figure).

In the Z-shaped sinks 7a and 7b, the rod 11 has a pin 1 at the tip.
It is fixed via 2.

13 is a mounting base.

Reference numeral 14 denotes a microswitch, which operates in conjunction with the operation of the pushbutton switch, and has the role of attracting the solenoid 9 and then starting the opening/closing machine.

With the above configuration, first, when the shutter is closed by operating the push button, the opening/closing machine is stopped, the energization to the solenoid 9 is stopped, and the return spring 10 causes the rod 11 to close.
protrudes and retracts the ends of the connecting links 5, 6 via the Z-shaped sockets 7a, 7b, so that the lock levers 4a, 4
b is closed at the center of the guide plates 3, 3, blocking and locking the shutter passage.

In other words, all you have to do is lower the shutter with the press of a button, and it will lock automatically afterwards.

To raise the shutter, when a push button is operated, the solenoid 9 is first energized by the microswitch 14, and the rod 11 is attracted.

Then, the Z-shaped sinks 7a and 7b are also pulled, and the ends of the connecting links 5 and 6 are opened, and the lock levers 4a and 4b are opened, and the obstruction between the guide plates 3 and 3 in the passage of the shutter disappears. .

At this time, the shutter starts to rise without any obstruction by the opening/closing machine activated by the instruction from the microswitch 14.

According to the present invention, the stroke of the solenoid can be short, so it is inexpensive.

Furthermore, since it is incorporated into the guide plate, the number of parts is small and it is economical.

Since the locking device is electrically interlocked with the operation of the opening/closing machine using the push button switch, it is possible to prevent motor burnout accidents caused by forgetting to unlock the door.

It is also linked to the operation of the opening/closing machine, so there is no need to worry about forgetting to lock it.

It is also preferable for crime prevention to be attached to the lintel of the shutter inside the case.

[Brief explanation of the drawing]

Figure 1 shows a locking device according to the present invention. Figure 2 is a left side view of Figure 1. In the figure: 1... Guide (of the pipe shutter), 2... Pipe, 3... Guide plate, 4 a, 4 b... Lock lever 15・・・
...Connecting link, 5 a, 5 b...Pin, 6...Connecting link, 6a...Pin, 7 a, 7 b... Z type sunk, 8...
...Axis, 9...Solenoid, 10...
・Return spring, 11...Rod, 12...
...Pin, 13...Mounting base.

Claims (1)

[Scope of utility model registration request] In the grill shutter that moves up and down inside the guide 1 electrically,
A pair of lock levers 4a and 4b for opening and closing the shutter passage at the upper end of the guide is provided in the shutter case, and one of the pair of lock levers is
4a connects the pin 5b to the Z-shaped sink 7a via the connecting link 5.
The other lock lever 4b is connected to a connecting link 6 and a Z-shaped sink 7b by a pin 6a, and the other ends of the Z-shaped sinks 7a and 7b are connected to a solenoid 9 operated in conjunction with a push button. The rod 1 is biased by the return spring 10 of
The connecting link 5 is fixed to the tip of the guide 1 through a pin 12, and the connecting link 5 is pivotally supported at the center by a shaft 8, which is located at the center of the guide and fixed to the bottom of the guide 1. A locking device for a lightweight electric grill shutter, characterized in that the center of a link 5 and the other end of a connecting link 6 are also pivotally supported.