JPH06146690A - Crescent for window - Google Patents

Abstract

PURPOSE:To make trespassing difficult and to attempt easy locking and unlocking by way of dial operation by a code number by means of cooperatively working a locking slide body, a revolving plate of a dial member and a cam plate provided on an operation connective lever. CONSTITUTION:By installing a crescent X on a sash side wall Y, an engagement piece 16 of an operation connective lever 12 is engaged with a bracket metal fitting of another sash facing against it. At the time of locking, an engagement projected piece 34 of a locking slide body 33 installed free to slide in a case l makes contact with an outer peripheral wall of a revolving plate 28 on the side of a dial member and becomes unable to retreat. Consequently, a cam plate 31 fastened on the lever 12 is regulated by the slide body 33, and the lever 12 is not rotated. Additionally, at the time of unlocking, a dial member 20 is revolved in accordance with a code number, and a cutout 30 of the revolving plate 28 and the projected piece 34 are made to face against each other. When the lever 12 is rotated, the slide body 33 is pushed by a cam piece 32, the projected piece 34 enters the cutout 30 and the engagement piece 16 is removed from the bracket metal fitting. Accordingly, it is possible to lock and unlock without carrying a key and to improve crime prevention.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crescent mounted on a window of a house or a building as an antitheft locking device.

[0002]

2. Description of the Related Art Conventionally, as a crescent locking method, a keyed crescent has been on the market. However, the loss of the key makes it impossible to lock the key and the trouble of the key operation causes the theft accident due to the non-locking. . For example, a house has many windows, each of which has a crescent, but without a key, an intruder from the outside will open a part of the windowpane, Open the window by opening and enter the house.

To prevent this, a so-called keyed crescent, in which a crescent has a key, is widely used.
Since there is a key in each of many windows, opening and closing the windows daily will be a heavy burden, and if the keyholes are different, the number of keys will increase, and moreover, due to the loss of keys, windows with locking and unlocking will actually be opened. It is routine to be left unlocked. Therefore, in order to improve this, a slide key was attached near the crescent, and the crescent was locked and unlocked by operating the slide piece, but this type of crescent has a fixed key location, Intruders want to know the location of the slide key, so the current situation is that an intrusion accident often occurs through a window.

[0004]

SUMMARY OF THE INVENTION In view of the above conventional drawbacks, the present invention adopts a dial lock (character matching lock) as a locking / unlocking mechanism, so that the resident can be released from having many keys. , Anyone can easily lock and unlock indoors at any time, while making it more difficult for outside intruders to enter illegally, and at the same time, for the user to put the key in the keyhole each time. To obtain a window crescent that can be easily locked and unlocked without being annoying to be put in, can improve the crime prevention effect, and can easily incorporate the dial mechanism into the case body. Is.

[0005]

The window crescent according to the present invention comprises a case body having a mounting portion for fixing to the side wall of the sash, and a dial locking / unlocking mechanism mounted on the case body. The dial locking / unlocking mechanism rotates an operating engagement / disengagement lever that is rotatably fitted in the case body and has a cam plate at the fitting end, and a rotating plate that is also provided in the case body and has a notch. A dial member having a driving engagement protrusion, an engagement protrusion that is slidably mounted in the case body, and engages and disengages with the cutout portion of the rotating plate on one side, and the cam plate on the other side. It is characterized by comprising a locking sliding body having a sliding contact surface in sliding contact, and a spring member provided in the case body so as to urge the locking sliding body in the releasing direction.

[0006]

When locked, the engaging projection of the locking sliding body comes into contact with the outer peripheral wall of the rotary plate on the dial member side and cannot retract. As a result, the cam plate is restricted by the locking sliding body, and the operation engagement / disengagement lever integrated with the cam plate does not rotate.
At this time, the engagement piece of the operation engagement / disengagement lever is engaged with the crescent receiving metal fitting of the other sash which opposes.

At the time of unlocking, the engaging projection of the locking sliding body and the notch of the rotating plate face each other, and the engaging projection of the locking sliding body can enter toward the notch of the rotating plate. Then, when the operation engagement / disengagement lever is rotated, the locking sliding body is pushed by the cam piece of the cam plate and moves backward while resisting the spring force of the spring member. As a result, the engagement piece of the operation engagement / disengagement lever can be released from the crescent receiving metal fitting of the other sash that faces the other.

[0008]

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

1 to 9, X is a crescent with a dial lock (hereinafter referred to as "crescent"). The crescent X is composed of a case and a dial locking / unlocking mechanism incorporated in the case main body when the structural requirements are roughly classified. Therefore, the main parts of these constituent elements will be mainly described below.

First, 1 is a case body in the shape of a long box with one side opening. The form of the case body 1 is not particularly limited, but the case body 1 is formed at least at both ends or the peripheral end of the case body 1, and the case body 1 is provided with a side wall Y of a window or a sash.
Mounting part 2 to be fixedly attached to the case main body 1 and a protrusion-like mounting for mounting an operating engagement / disengagement lever which is formed in the central part of the case main body 1 or a part from the central part and constitutes a part of the dial locking / unlocking mechanism. Part 3 is required.

A through hole 5 for the sash mounting screw 4 is formed at an appropriate portion of the mounting portion 2.
A central hole 6 having a relatively large diameter is formed in the mounting portion 3.

Next, 11 is a dial locking / unlocking mechanism incorporated in the case body 1. Therefore, the dial locking / unlocking mechanism 11 will be described in more detail with reference to FIGS. 1 and 2.

Reference numeral 12 denotes an operation engagement / disengagement lever which is rotatably fitted in the case body 1. This operation release lever 12
Is an operation knob portion 13, a fitting portion 14 which is connected to the distal end portion of the operation knob portion 13 and is fitted into the central hole 6 of the case body 1, and above (outside) the fitting portion 14. It is provided with a semi-arcuate engagement piece 16 that is continuous and is engaged with a crescent receiving fitting 15 attached to the side wall Y of the window or the sash.

Reference numeral 20 denotes a cap-shaped dial member rotatably provided through a shaft hole 21 on a shaft 7 projectingly formed on one end side in the case main body. This dial member 20
Characters "1" to "0" are provided on the outer peripheral surface of the annular wall 22 of No. 2, and the required space 2 is provided inside the annular wall 22.
A drive plate 25 having the number 4 and serving as a first rotating plate is provided integrally with the dial member 20 in this embodiment. The drive plate 25 may be provided separately from the dial member 20. Thus, the driving engagement protrusion 26 is formed on the upper surface of one side of the drive plate 25, and the notch 27 is provided at an appropriate position on the outer peripheral portion.

Reference numeral 28 denotes a second rotating plate rotatably provided on the shaft 7 of the case main body, and one side lower surface of the second rotating plate 28 has the engaging projection 26 similar to the drive plate. A driven engaging projection 29 for engaging with is formed, and a notch 30 is provided at an appropriate position on the outer peripheral portion.

Reference numeral 31 is a cylindrical cam plate integrally provided on the operation engagement / disengagement lever 12 by a suitable fixing means such as caulking at the fitting end of the fitting portion 14 of the operation engagement / disengagement lever 12. A semi-circular cam piece 32 is formed on the cam plate 31 so as to project therefrom.

Reference numeral 33 is slidably mounted in the case main body 1 and has an engaging projection 34 that engages and disengages with the cutout portion 30 of the rotary plate 28 on the dial member side, and a cam piece of the cam plate 31 on the opposite side. The rocking sliding body has an end surface 32a of 32 and an outer peripheral surface 32b, and a sliding contact surface 35 that abuts or slidably contacts with each other.

The locking sliding body 33 has a guide elongated hole 36 at the center thereof. Then, the locking sliding body 33
In the present embodiment, is supported via a receiving plate 37 by a screw-shaped support portion 8 formed to project inside the case body 1. Further, the locking sliding body 33 is biased in the releasing direction by a spring member 38 appropriately provided on the case main body, and via an extending portion 39 formed to project on the side opposite to the engaging projection 34, The advancing / retreating movement is guided in a fixed direction by a guide portion 40 appropriately provided on the case main body.

Numeral 50 is a click ball for giving a click feeling when the dial member 20 is rotated left and right, and the click ball 50 is pressed against the outer peripheral wall of the dial member via the spring member 51. 52 is the case body 1
Is a lid that is appropriately attached to. Further, 53 is a washer attached to the fitting portion of the operation engagement / disengagement lever.

In the above structure, the crescent X is appropriately fixed to the side wall Y of the sash via the through hole 5 of the case body 1 by the sash mounting screw 4, the mounting metal fitting 42 and the like.

Therefore, when locking, the locking sliding body 33
The engaging projection 34 of the above abuts on the outer peripheral wall of the rotary plate 28 on the dial member side and cannot retract. As a result, the cam plate 31 is restricted by the locking sliding body 33, and the operation engagement / disengagement lever 12 that is integral with the cam plate 31 does not rotate. At this time, the engagement piece 16 of the operation engagement / disengagement lever 12 is engaged with the crescent receiving metal fitting 15 of the other sash which opposes.

On the other hand, when the dial member 20 is rotated to the left or right based on the password when unlocking, the notch 3 of the rotating plate 28 is used.
0 and the engaging protrusion 34 of the locking sliding body 33 face each other. Therefore, when the operation engagement / disengagement lever 12 is rotated, the locking sliding body 33 is pushed by the cam piece 32 of the cam plate 31 and retracts while resisting the spring force of the spring member 38, and the engaging projection 34 of the locking plate 34 is rotated. Into the notch 30. As a result, the engagement piece 16 can be released from the crescent receiving metal fitting 15 of the other sash that faces the engagement piece 16.

[0023]

As is clear from the above description, the present invention has the following effects. (1) When locking the crescent, the dial member may be arbitrarily rotated, while when unlocking the crescent, the dial member may be rotated left and right based on the recitation number.
Therefore, the resident is not only freed from having many keys, but can be locked and unlocked easily indoors, while:
Since illegal intrusion can be made more difficult for outside intruders, the effect of crime prevention can be expected. (2) Since the dial member is not attached to the operation engagement / disengagement lever, the dial mechanism can be incorporated into the case body in a state in which the operation engagement / disengagement lever of the conventional crescent can be used as it is. (3) The dial mechanism can be easily incorporated in the case body.

[Brief description of drawings]

FIG. 1 is a schematic sectional view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the present invention.

FIG. 3 is a plan view of the present invention.

FIG. 4 is an explanatory view showing the inside viewed from the bottom side of the present invention.

5 and 6 are explanatory views of an unlocked state of the present invention.

7 to 9 are explanatory views showing an operating state of a main part of the present invention.

[Explanation of Codes] X ... Crescent, 1 ... Case main body, 2 ... Mounting part, 3 ... Mounting part, 7 ... Shaft, 8 ... Supporting part, 11 ... Dial locking / unlocking mechanism, 12 ... Operation release lever, 16 ... Engagement Joint piece, 20 ... Dial member, 25 ... Drive plate, 26, 29 ... Engagement protrusion, 27, 30 ... Notch portion, 28 ... Rotating plate, 31 ... Cam plate, 32 ... Cam piece, 30 ... Drive plate, 33 ... locking sliding body, 34 ... engaging projection.

Claims (1)

[Claims] 1. A case main body having a mounting portion for fixing to a side wall of a sash, and a dial locking / unlocking mechanism mounted on the case main body, wherein the dial locking / unlocking mechanism is rotatable on the case main body. An operating engagement / disengagement lever which is fitted in the housing and has a cam plate at the fitting end, a dial member having a driving engagement projection for rotating a rotating plate also provided in the case body and having a notch, and a case A locking slide body that is slidably installed in the main body, has an engagement projection piece that engages and disengages with the cutout portion of the rotating plate on one side, and has a sliding contact surface that slides in contact with the cam plate on the other side, A window crescent comprising a spring member provided in the case body so as to urge the locking sliding body in the releasing direction.