JPH0523729Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an auxiliary lock, and particularly to an auxiliary lock used for locking a sliding door made of aluminum sash or the like to which a cooler or the like is retrofitted.

[Background and purpose of the invention] Conventionally, sliding doors with window frames such as aluminum sashes that have been retrofitted with air conditioners, etc., are generally fitted with a sliding door that is locked in the middle to prevent it from opening for reasons such as crime prevention. An auxiliary lock is attached to the aluminum sash.

Here, some conventional auxiliary locks have an L-shaped cross section and are comprised of a base plate bolted to the sash and a door stop plate extending substantially perpendicularly from the base plate.

There is also a type of auxiliary lock in which the door stop plate is attached to the door frame so that the base plate and the door stop plate can rotate in a hinge-like manner.

However, this device is a further improvement on the conventional auxiliary lock, and is an auxiliary lock that can be attached to a door frame that has been retrofitted with a cooler, air conditioner, etc. If you want to open the window after installation, you can use it with a single touch. The window can be opened easily by unlocking the locked state, and the door plate is configured so that it locks in the unlocked state, that is, in a position parallel to the board, and furthermore, it can be easily opened again from that state. To provide an auxiliary lock capable of creating a locked state in a door plate, and configured so that a sickle protruding from a door plate fits into a door frame of a sliding door with a single touch operation.

[Structure of the invention] In order to achieve the above object, the auxiliary lock of the present invention is structured as follows.

A board 1 is attached to one door frame of the sliding door, and a door stop plate 2 is attached to the side end of the board 1 via an operation pin 8 in a hinge shape.

A sickle support plate 3 is attached to the door stop plate 2 and is rotatable about a shaft support 14.
protrudes outward from the door stop plate 2.

A hook-shaped sickle 4 is attached to the tip side of the sickle support plate 3, and this sickle 4 comes into contact with the end of the other door frame when the door is locked.

Attached to the proximal end of the sickle support plate 3 is a hooking piece 12 whose tip is bent into an L-shape and has a cutout groove 13 continuous at right angles along the bent surface.

An operation pin 8 is inserted through a connecting portion 7 where the base plate 1 and the door stop plate 2 are connected in a hinge-like manner.

A long hole-shaped cutout guide groove 21 is formed in the connecting portion 7 on the substrate 1 side.

Further, in the center portion 40 of the connecting portion 7 on the side of the door stop plate 2, a notched guide groove 20 is formed which is diagonally faced and cut out in a circular arc shape at 90 degrees.

An engaging protrusion 31 is formed on the distal end side of the operating pin 8 so as to protrude from the notched guide groove 21 of the connecting portion 7 and to be fitted into the notched groove 13 of the engaging piece 12.

Furthermore, on the center side of the operation pin 8, there is a notch guide groove 20 in the center portion 40 of the connecting portion 7 on the door stop plate 2 side.
A more protruding engaging protrusion 30 is formed.

Further, a spring 9 is interposed between the connecting portion 7 and the operating pin 8 to bias the operating pin 8 outward.

[Example] The present invention will be described below based on an example shown in the drawings.

FIG. 1 is a schematic diagram showing a state in which the auxiliary lock A according to the present invention is attached to a sash retrofitted with a cooler, air conditioner, etc.

2 and 3 are perspective views showing the auxiliary lock according to the present invention.

In the drawings, reference numeral 1 indicates a substrate. This base plate 1 has a rectangular shape, and a door stop plate 2 which is bent into a hinge shape from one side of the base plate 1 is connected to the base plate 1 so as to be able to rotate approximately 90 degrees (see FIG. 2).

Further, a sickle support plate 3 is provided from the door stop plate 2 and extends outward from the door stop plate 2.

This sickle support plate 3 is slightly thick and formed into a substantially square shape with a space inside, and one end thereof is rotatable about a pivot support 14 and attached to the door stop plate 2. attached.

A hook-shaped sickle 4 is attached to the space of the sickle support plate 3 so as to be movable in the longitudinal direction of the sickle support plate 3.

That is, a guide elongated hole 5 is bored in the upper surface of the sickle support plate 3 in the longitudinal direction thereof, and a screw 6 that loosely fits into the guide elongated hole 5 is attached to one end of the sickle 4 to connect the guide elongated hole 5. The sickle 4 can be moved forward and backward by the width of , and its length can be adjusted by moving the sickle 4 forward and backward depending on the thickness of the adjacent sliding door C with which the sickle 4 engages.

Incidentally, an operating pin 8 is passed through a connecting portion 7 where the base plate 1 and the door stop plate 2 are connected in a hinge-like manner. The operating pin 8 is inserted into the connecting portion 7 from one end thereof via a spring 9 having a resilient force in the pulling direction.

As shown in FIGS. 2 and 3, the connecting portion 7 has at least two notched guide grooves 20,
21 is provided, and the cutout guide grooves 20, 2
1 includes an operating pin 8 inserted into the connecting portion 7.
Engagement protrusions 30 and 31 protruding from each other engage with each other.

In particular, as shown in FIGS. 2 and 3, the engaging protrusion 31 provided on the tip side of the operating pin 8 engages with the notched guide groove 21, and also stands up from the proximal end of the sickle support plate 3. It engages with a notched groove 13 formed in the raised L-shaped engagement piece 12, and when the operating pin 8 is pushed inside the connecting part 7,
The engaging protrusion 31 moves forward in the longitudinal direction of the connecting portion 7, and in conjunction with this, the sickle support plate 3
The door stopper plate 2 is also configured to be able to rotate about a pivot support 14 with the door stop plate 2 as a fulcrum (see FIG. 3).

Along with this, an engaging protrusion 30 on the other side that engages with a notched guide groove 20 provided on the operating pin 8 insertion side of the connecting portion 7 is arranged such that the notched guide groove 20 is As shown in the figure, since the notch is diagonally oriented, the door stop plate 2 is configured to swing 90 degrees in a direction parallel to the base plate 1 simply by pressing the operating pin 8.

That is, since the central portion 40 of the connecting portion 7 in which the notched guide groove 20 is provided is integrally formed with the door stop plate 2, when the central portion 40 of the connecting portion 7 rotates, the door stop plate 2 It is also configured to rotate in the same way.

In the above configuration, the usage state of the present invention will be explained. This auxiliary lock A is locked as shown in FIG. 2.

To release this locked state, the operating pin 8 may be pressed.

That is, when the operating pin 8 is pressed, the engaging protrusion 30 protruding from the operating pin 8 at the connecting portion 7,
31 moves in its longitudinal direction.

As a result of this movement, the central portion 40 of the connecting portion 7 where the notched guide groove 20 is provided rotates 90 degrees, and the sickle support plate 3 and the door stop plate 2 similarly rotate.
Rotate 90 degrees upwards.

In addition, the sickle support plate 3 swings together with the sickle 4 to the pressing side of the operating pin 8 (to the base end side of the operating pin 8) via the shaft support 14, and locks the adjacent sliding door C.
depart from.

At the same time as the door stop plate 2 is released, the door stop plate 2 rotates upward from the perpendicular direction and stands up in a direction substantially parallel to the base plate 1.

When the door stop plate 2, the sickle support plate 3, and the sickle 4 stand up in a direction parallel to the base plate 1, the engaging protrusion 30 provided on the operation pin 8 is inserted into the notched guide groove 20.
It is automatically locked to the locking portion 35 on the rear end side by the elastic force of the spring 9, and the door stop plate 2 and the like can be held in a parallel state.

In this way, the auxiliary lock A is unlocked, and it becomes possible to open the sliding door of the satsushi to which the cooler, air conditioner, etc. are attached.

If you want to close the sliding door and lock the window again using the auxiliary lock A, you can lock the auxiliary lock A by following the exact opposite procedure to the above.

That is, by manually pushing down one end of the door stop plate 2 that stands parallel to the board 1, that is, upward, the door stop board 2, the sickle support plate 3, and its sickle support plate are moved in a direction perpendicular to the board 1. A sickle 4 that can move forward and backward from 3 is extended.

Satsushi sliding door C that engages sickle 4 in this way
It can be easily locked by locking it at one end and tightening the mounting screw 6 again.

[Effect of the invention] As explained above, according to the auxiliary tablet of the present invention,
To easily unlock the auxiliary lock with a one-touch operation, and even if the door can be locked again, the sickle fits into the frame of the sliding door by simply pushing it down by hand, and the door can be locked smoothly. It has excellent effects such as:

[Brief explanation of the drawing]

Figure 1 is a schematic diagram showing the auxiliary lock according to this invention attached to a sash, Figures 2 and 3 are perspective views showing the operation of the auxiliary lock according to this invention, and Figure 4.
FIG. 5 shows the engaging protrusion 3 for the notched guide groove 20.
2 is an operation diagram showing a moving state of 0. A... Auxiliary lock, C... Adjacent sliding door, 1... Board, 2... Door stop plate, 3... Sickle support plate, 4... Sickle,
5... Guide long hole, 6... Screw, 7... Connecting part,
8... Operating pin, 9... Spring, 12... Engaging piece, 14... Pivotal support, 20, 21... Notch guide groove, 30, 31... Engaging protrusion, 35... Locking portion, 40... ...The central portion of the connecting portion 7.

Claims (1)

[Scope of claim for utility model registration] A board 1 attached to one door frame of a sliding door, a door stop plate 2 attached to the side end of the board 1 in a hinge-like manner via an operating pin 8, and a pivot support 14 A sickle support plate 3 is rotatably attached to the door stop plate 2 using the door stop plate 2 as a fulcrum, and extends outward from the door stop plate 2.A sickle support plate 3 is attached to the tip side of the sickle support plate 3, and when locked, it is attached to the end of the other door frame. It has a hook-shaped sickle 4 that comes into contact with it, and the tip of the sickle support plate 3 is bent into an L-shape, and a cutout groove 13 that continues at right angles along the bent surface is formed on the base end side of the sickle support plate 3. The operating pin 8 is inserted into the connecting part 7 where the board 1 and the door stop plate 2 are connected in a hinge-like manner, and the connecting part 7 on the board 1 side has a long hole. A notched guide groove 21 is formed in the shape of a notch, and a notched guide groove 20 is formed in the central portion 40 of the connecting portion 7 on the side of the door stop plate 2, and the notched guide groove 20 is diagonally faced and cut out in an arc shape at 90 degrees. An engaging protrusion 31 is formed on the tip side of the operating pin 8 to protrude from the notched guide groove 21 of the connecting portion 7 and to be fitted into the notched groove 13 of the engaging piece 12. A hooking protrusion 30 is formed that protrudes from the notch guide groove 20 of the central portion 40 of the side connecting portion 7, and between the connecting portion 7 and the operating pin 8, the operating pin 8
An auxiliary lock characterized in that a spring 9 is interposed to bias the auxiliary lock outwardly.