JP3296860B2 - Window crescent - Google Patents

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 building as an anti-theft locking device.

[0002]

2. Description of the Related Art Conventionally, a crescent with a key has been on the market as a method of locking a crescent. . For example, a house may have many windows, each with a crescent, but without a key, an intruder from the outside could open part of the window glass, Open the window by breaking to get into the house.

In order to prevent this, a so-called keyed crescent in which a key is attached to the crescent has become popular.
Each of the many windows has a key, which puts a heavy burden on daily opening and closing of the windows.Moreover, if the keyholes are different, the number of keys will increase. It is common to stay unlocked. Therefore, in order to improve this, a slide key was attached near the crescent, and the operation of the slide piece was used to lock and unlock the crescent.However, in this type of crescent, the place where the key was Since intruders know the location of the slide key, intrusion accidents often occur through windows. Therefore, conventionally, in order to prevent an intrusion accident through a window, a dial locking / unlocking mechanism is provided in the hollow of the long box-shaped case main body, and a dial locking / unlocking mechanism is provided at an inner end of a fitting portion fitted to the case main body. There has been proposed a window crescent provided with a plurality of operation levers each having a plurality of dial members and a cam plate which is locked or unlocked via a tilting plate (for example, Japanese Utility Model Laid-Open No. 53-124293). However, this type of conventional window crescent has problems that the number of components constituting the dial locking / unlocking mechanism is large or the structure is complicated, so that the manufacturing cost is high and the assembly is troublesome.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned drawbacks, the first object of the present invention is to provide a dial lock (character combination lock having characters on the peripheral side wall) which is generally used as a locking / unlocking mechanism. ), The resident is freed from having many keys, and anyone can easily and freely lock and unlock from indoors at any time, while outside intruders are more protected from unauthorized entry. At the same time, it is necessary for the user to be free from the hassle of inserting the key into the keyhole each time and to easily lock and unlock the key. A second object is to reduce the number of parts constituting the dial mechanism as much as possible on the premise that a generally used dial plate is used, to reduce the manufacturing cost, and to facilitate the assembly. A third object is that the operation of applying and unlocking the dial plate is simple.

[0005]

According to the present invention, there is provided a window crescent having a dial locking / unlocking mechanism in the hollow of a long box-shaped case main body, and a dial locking / unlocking mechanism at an inner end of a fitting portion fitted to the case main body. In a window crescent, each having an operation engagement / disengagement lever having a plurality of rotation plates of a lock mechanism and a cam plate which can be locked or unlocked via a locking member, One dial member as a drive plate with a short shaft protruding toward the lid facing the inner wall surface of the case main body at one end side of the inner wall surface, and the short axis is provided with recitation characters on the peripheral side surface A rotating plate rotated by the dial member is provided so as to overlap with each other, and a cam plate provided on a fitting portion of the operation engagement / disengagement lever at the center portion or the other end side of the inner wall surface of the case main body. Plate-shaped rockin with pressed end The sliding body is slidably provided, and the plate-shaped locking sliding body is provided only when the cutouts of the driving plate and the rotating plate coincide with each other, against the spring force of the spring member provided in the case body, and While sliding in the longitudinal direction of the case body while being guided by the guide plate, while the engaging projection provided at the distal end of the locking sliding body is engaged with the notch of the driving plate and the rotating plate. When the operating lever is rotated in the direction of engagement of the crescent, the plate-like locking sliding body automatically returns to the original position by the spring force of the spring member, and the driving plate and the rotating plate become free. It is characterized in that rotation is allowed.

[0006]

When locking, the engaging projection of the locking sliding member abuts against the outer peripheral wall of the rotary plate on the dial member side and cannot be retracted. 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 bracket of the other opposing sash.

At the time of unlocking, the engaging projections at the distal end of the plate-like rocking sliding body and the notches of the plurality of rotating plates face each other, and the engaging protrusions of the locking sliding body are aligned with the notches of the rotating plate. You can get in. Then, when the operation engagement / disengagement lever is rotated, the locking sliding body is pushed by the cam piece of the cam plate. At this time, the locking sliding body resists the spring force of the spring member,
And it slides in the longitudinal direction of the case main body via at least one or more support portions provided on the case main body. as a result,
The engagement piece of the operation engagement / disengagement lever can be released from the crescent receiving bracket of the other opposing sash. Meanwhile, die
When setting the locking / unlocking mechanism to the locked state, use the operation release lever.
To rotate the so-called crescent to the crescent receiving bracket
May be engaged. Then, plate-like locking sliding
The body automatically returns to its original position by the spring force of the spring member
To allow free rotation of the drive plate and the rotation plate,
It is only necessary to rotate the dial member arbitrarily.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In FIG. 1 to FIG. 9, X is a crescent with a dial lock (hereinafter referred to as "crescent"). The Crescent X, when divided large configuration requirements, and the case body, the Ke - and dialing unlocking mechanism is incorporated in the scan body, Ke - an operation engaging and disengaging lever pivots scan body freely mounted, the plate Smooth locking sliding body
A row of support parts provided on the case body to move forward and backward
The guide and the operation lever in the crescent engagement direction.
When rotated, the plate-shaped locking slide is automatically returned to its original position.
It is composed of a spring member which is returned to the position . Therefore, the following description focuses on each main part of these components.

First, reference numeral 1 denotes a long box-shaped case main body having an opening on one side. Although the form of the case body 1 is not particularly limited, 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 formed with a side wall Y of a window or a sash.
And a projecting shape for mounting an operation engagement / disengagement lever 12 which is formed at a central portion or a portion from the central portion of the case body 1 and constitutes a part of the dial locking / unlocking mechanism. The mounting part 3 is required.

A through hole 5 for a sash mounting screw 4 is formed at an appropriate portion of the mounting portion 2.
The mounting portion 3 has a relatively large center hole 6 formed therein.

Next, reference numeral 11 denotes 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.

Reference numeral 12 denotes an operation engagement / disengagement lever which is rotatably fitted into the case body 1. This operating lever 12
The operation knob 13, a fitting portion 14 that is provided continuously with the distal end portion of the operation knob 13, and that fits into the center hole 6 of the case body 1, and is located above (outside) the fitting portion 14. It has a semicircular engaging piece 16 which is continuously provided and engages with a crescent receiving bracket 15 attached to a side wall Y of a window or a sash.

Reference numeral 20 denotes a cap-shaped dial member rotatably provided through a shaft hole 21 on a short shaft 7 protruding from one end of the case body. In this embodiment, the shaft 7 protrudes toward the lid facing the inner wall surface of the case body 1. Also, characters 23 of “1” to “0” are provided on the outer peripheral surface of the annular wall 22 of the dial member 20. Thus, dial member 20 is typically a common dial plate. Further, a driving plate 25 having a required space 24 inside the annular wall 22 and serving as a first rotating plate,
In this embodiment, it is provided integrally with the dial member 20. The drive plate 25 may be provided separately from the dial member 20. The driving engagement projection 26 is formed on the upper surface of one side of the driving plate 25, and a 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. On the lower surface of one side of the second rotating plate 28, like the driving plate, the engaging projections 26 are provided. , And a notch 30 is provided at an appropriate location on the outer peripheral portion.

Reference numeral 31 denotes a cylindrical cam plate which is integrally provided on the engagement / disengagement lever 12 with an appropriate fixing means such as caulking at a fitting end of the engagement portion 14 of the operation / removal lever 12. A semicircular cam piece 32 is formed on the cam plate 31 so as to project therefrom.

Reference numeral 33 denotes a slide member which is slidably housed in the case body 1 and has an engaging projection 34 on the dial member side for engaging and disengaging with the notch 30 of the rotary plate 28, and a cam plate 31 of the cam plate 31 on the opposite side. 32 is a plate-shaped locking sliding body having a sliding contact surface 35 that abuts or slides on the end surface 32a and the outer peripheral surface 32b of the sliding member 32, respectively. The locking sliding body is provided at the center or the other end of the inner wall surface of the case body 1.

The plate-like locking slide 33 has a guide slot 36 at the center. In this embodiment, the locking sliding body 33 is supported via the receiving plate 37 on the screw-shaped support portion 8 formed to protrude into the case main body 1 in this embodiment. The supporting portion 8 exhibits a guide function when the locking sliding body 33 slides in the longitudinal direction of the case body. Further, the locking sliding body 33 is urged in the releasing direction by a spring member 38 appropriately provided on the case main body 1, and extends through an extended portion 39 formed to protrude on the opposite side to the engaging projection 34. The advancing and retreating is guided in a fixed direction by a guide portion 40 appropriately provided in the case body. Locking sliding body 33
In this embodiment, the two supporting or guiding members (parts) of the one supporting portion 8 and the other guiding portion 40 separated from the supporting portion 8 in the direction of movement of the locking slide 33 are smooth. Is guided to slide.

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

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

However, when locking, the locking slide 33
Is in contact with the outer peripheral wall of the rotary plate 28 on the dial member side, and cannot be retracted. As a result, the cam plate 31 is restricted by the locking slide 33, and the operation engaging / disengaging lever 12 integrated 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 bracket 15 of the other opposing sash.

On the other hand, when the dial member 20 is rotated left and right based on the recitation number when unlocking, the notch 3
0 and the engaging projection 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 retreats against the spring force of the spring member 38, and the engagement protruding piece 34 is turned by the rotating plate. Into the cutout portion 30 of FIG. As a result, the engagement piece 16 can be released from the crescent receiving bracket 15 of the other opposing sash. On the other hand, when turning the dial member freely (the dial locking / unlocking mechanism is locked)
To make the state), rotate the operation release lever, so-called
The crescent may be engaged with the crescent receiving bracket.
Then, the plate-shaped locking sliding body will have the spring force of the spring member.
Automatically returns to the original position by the drive plate and rotating plate
The dial member can be freely rotated
Can be rotated.

[0023]

As is clear from the above description, the present invention has the following effects. (1) When locking the crescent , turn the operation release lever.
By simply turning the dial member , the dial member can be arbitrarily rotated. On the other hand, when unlocking the crescent, the dial member may be rotated left and right based on the recitation number. Therefore, the operation is simple. As a result, the resident can not only be released from having many keys, but also can be easily unlocked from inside, while making unauthorized entry more difficult for outside intruders. Therefore, a security effect can be expected. (2) No dial member is attached to the operation release lever
So the operation of conventional ordinary dial plate and crescent
While keeping the lever intact, turn the dial mechanism.
Can be incorporated into the case body. In other words, dial plate
It is not necessary to provide a complicated structure for the
No. (3) Reasonable (compact) components with a small number of parts
Combined to reduce the production cost, the case body
, Etc. can be easily achieved. Ma
In addition, it is necessary to install an operation panel on the upper wall of the operation release lever
Because there is no, it is also excellent in appearance.

[Brief description of the drawings]

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

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

FIG. 3 is an explanatory view from the plane of the present invention.

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

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

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

[Explanation of symbols]

X: Crescent, 1: Case body, 2: Mounting part,
DESCRIPTION OF SYMBOLS 3 ... Mounting part, 7 ... Shaft, 8 ... Support part, 11 ... Dial locking / unlocking mechanism, 12 ... Operation engaging / disengaging lever, 16 ... Engagement piece, 20
... Dial member, 25 ... Drive plate, 26,29 ... Engagement projection, 27, 30 ... Notch, 28 ... Rotating plate, 31 ... Cam plate, 32 ... Cam piece, 30 ... Drive plate, 33 ... Locking sliding body , 34 ... engaging projections.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05C 3/04 E05B 37/08 E05B 65/08

Claims (1)

(57) [Claims] 1. A locking / unlocking mechanism in a hollow of a long box-shaped case main body, and a plurality of rotating plates and a locking mechanism of the dial locking / unlocking mechanism are locked on an inner end of a fitting portion fitted to the case main body. In a window crescent having an operation engagement / disengagement lever having a cam plate which can be locked or unlocked via a member, an inner wall surface of the case main body is provided at one end side of an inner wall surface of the case main body. A short axis protrudes toward the opposing lid, and reclining characters are applied to the short axis on the peripheral side.
One dial member as a driving plate and a rotating plate rotated by the dial member are provided so as to overlap each other , and are provided at the center or the other end of the inner wall surface of the case body.
A cam plate provided at the fitting part of the operation release lever
The plate-shaped locking slide whose end is pushed is slidable.
The plate-shaped locking sliding body is provided
Only when the notch of the rotating plate matches,
To the case body against the spring force of the spring member
Is while sliding in the longitudinal direction of the case body, while the
The tip of the locking slide is inserted into the notch of the drive plate and the rotation plate.
In the state where the engaging protrusion provided on the portion is engaged,
Rotating the operation release lever in the direction of engagement of the crescent
And the plate-shaped locking sliding body is adapted to the spring force of the spring member.
It returns to the original position more automatically and the drive plate and the rotating plate
A window crescent characterized by allowing free rotation .