KR20180009951A - Locking Apparatus for Sliding Door Can be Opened Partially - Google Patents

Abstract

The present invention relates to a locking device for a sliding window, which allows partial opening of a window even when being unlocked. The locking device for a sliding window is installed in a first and a second window in a sliding type that operate along a rail in the state that is connected thereto, in order to overlap each other or to be widened. In addition, the locking device comprises: a hanger loop which is fixed to a vertical window frame on a first window, that is, an outer window; a handle installation board which is fixed and installed onto the vertical window frame on a second window, that is, an inner window; a locking handle which is installed to be rotated in the handle installation board, is to lock the window by being hung on the hanger loop when bent upwards, and is to open the window by being separated from the hanger loop when being bend downwards; a locking pin which protrudes from a side surface of the locking handle towards the first window; a first lever where a pin hole for being combined with the locking pin is placed at one side thereof; and a second lever of which one side is hinged at the first lever and of which the other side is hinged at the hanger loop or the first window. Therefore, the locking device for a sliding window can open a limited section of the second window through the first and second levers by inserting the locking pin into the pin hole in a state where the locking handle is bent downwards.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a locking device for a sliding window,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a sliding window, and more particularly, to a locking device for a sliding window which enables a window to be partially opened even in a state in which the locking device is released, will be.

Sliding windows are widely used in residential buildings such as detached houses, townhouses and apartments, and windows of various industrial buildings. Sliding doors are considered to be the best way to increase space efficiency and ease of use.

The window is a necessary facility that can receive sunlight and wind as a means to communicate directly with the outside atmosphere. However, it is difficult to open windows in places where there is fear of intrusion from the outside. In particular, it is very dangerous to open a window on a summer night and to sleep, so residents suffer a lot of trouble. Although installing a security window such as a grate is one of the methods, there is a problem of cost and appearance damage, and there are many inconveniences in use. Korean Patent Application No. 10-2011-0065247 proposes to solve such a problem and solves the conventional problem in its own way. The present invention relates to improvements of this prior art.

1 is a window 100 widely used in a bathroom, a toilet, or a kitchen, and has a locking device 101 generally called a "crisscent". The lock device 101 is locked when the lock knob 103 is lifted up and opened when the lock knob 105 is pulled downward.

Such a sliding window has a structure in which the window can not be opened completely when the locking device 101 is opened. In other words, the window can not be kept halfway open. Winds often need to be blown through the windows or require ventilation. In this case, means are needed to partially open the windows while preventing intrusion from the outside.

Korean Patent Application No. 10-2011-0065247

It is an object of the present invention to provide a security apparatus for a sliding window which can prevent intrusion from the outside by keeping a partially open state of a window by assisting an existing locking apparatus as a locking apparatus for installing in a sliding door It is on.

The purpose of the above is; The first and second sliding-type windows being folded or unfolded along the rail in a state of being coupled to a rail provided on the window frame;

A hook secured to the vertical window frame of the first window which is the outer window; A handle mount fixedly installed on a vertical window frame of a second window as an inner window; And a locking knob rotatably installed on the knob mounting base so that the locking knob is hooked on the hook so that the window is locked, and when the locking knob is turned downward, the locking knob is released from the hook to open the window ;

A locking king pin protruding from a side of the locking handle toward the first window;

A first lever provided at one side thereof with a pinhole to which the locking pin is inserted and coupled; A second lever hinged to one side of the first lever and hinged to the hook or the first window;

;

Characterized in that the locking window is pinched in the pinhole with the locking knob bent downward so that the second window can be opened only in a limited section by the first and second levers The locking device for a sliding window, which enables partial opening, is provided.

According to another aspect of the present invention, the first lever is composed of two elastic plates spaced apart in parallel; The second lever may be hingedly connected to the elastic plate.

According to still another aspect of the present invention,

The locking pin is in the form of a round bar (41) in which a limiting protrusion (43) protrudes laterally; The pinhole is provided with a groove 45 into which the limiting protrusion is fitted;

The locking pin and the pin hole may be oriented with respect to the fitting direction.

According to still another aspect of the present invention,

The first lever is composed of two elastic plates spaced apart in parallel; The second lever is hingedly connected with the elastic plate;

A first projection is formed on a side surface of the second lever to prevent the first lever and the second lever from flowing arbitrarily; A first groove may be formed on an inner surface of the first lever to allow the first projection to be inserted therein.

According to still another aspect of the present invention,

So that the hook and second lever can be fixed to each other at a specific position;

A second projection is formed on the hook and a second groove on which the second projection is fitted may be formed on a side surface of the second lever.

According to the above construction, when the window is opened with the lock knob bent downward to release the locking device, the degree of opening by the first and second levers is restricted, so that the window can not be partially opened. Thus, an intruder can not enter through a window, and a window can be partially opened, allowing ventilation through a window. According to the present invention, since the locking device and the opening limiting device are interlocked with each other, installation and operation are facilitated.

1 is a perspective view of a window showing an installation state of a conventional locking device for a sliding window.
2 is a perspective view of a window showing a state of installation of a locking device for a sliding window according to an embodiment of the present invention.
3 is a partial enlarged view of Fig.
4 is an exploded perspective view of a locking device for a sliding window according to an embodiment of the present invention.
5 is a side view of a locking device for a sliding window according to an embodiment of the present invention.
6 to 8 are front views of windows showing a state of use of the locking device for a sliding window according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings attached hereto.

The locking device for a sliding window of the present invention comprises first and second windows (5, 7) which are coupled to a rail (3) provided on a window frame (1) It is used for sliding windows. The number of windows may be more than three, since they are merely a selection of commonly used forms in the market.

The first window 5 is composed of a pair of horizontal window frames 9 and 11, a pair of vertical window frames 13 and 15, and a window pane 17 sandwiched between the window frames. The horizontal window frames 9 and 11 are composed of an upper horizontal window frame 9 and a lower horizontal window frame 11. The second window also comprises a pair of horizontal window frames 9 ', 11', a pair of vertical window frames 13 ', 15' and a window pane 17 'sandwiched between the window frames. The first window (5) is located on the outdoor side, and the second window (7) is located on the indoor side.

The hook 21 is fixed to the vertical window frame of the first window which is the outer window. The hook 21 includes a hook main body 23 bent in a diagonal shape and a hook fixing plate 25 provided with a screw hole so as to be fixed to the vertical window frame with a screw.

And a handle mounting base 27 is fixed to the side of the vertical window frame of the second window as an inner window by screws. The lock knob 29 is rotatably mounted on the knob mounting base 27 and is selectively engaged with the hook main body 23. The lock knob 29 is formed in a bar shape so that it can be held by a hand and has a handle 29a whose upper end is rotatably coupled to the knob mount 27. The lock knob 29 is integrally formed on the upper part of the knob 29a, And a lock portion 29b that can be fitted in the main body 23.

For example, when the locking handle 29 is turned upwards, the window is locked by being hooked on the hook, and when it is turned downward (D), the window can be opened by being detached from the hook 21. The above description is not so different from the conventional locking device. The features of the present invention reside in the opening limiting means described below.

The opening limiting means includes a locking pin 31 protruding from the side of the lock knob toward the first window 5 and a link mechanism 33 selectively engaging with the locking pin 31. The link mechanism 33 functions as an opening limiting device. According to the present invention, the opening limiting device is operatively associated with the locking device to operate organically.

The link mechanism 33 includes a first lever 37 provided at one side with a pinhole 35 to which the locking pin 31 is engaged and a second lever 37 having one side thereof fixed to the first lever 37 about the hinge pin 38 And the other side includes a second lever 39 hinged to the hook 21 or the first window 5. The other side of the second lever 39 is hingedly connected to the lever connecting hole 24 provided on the hook through the hinge pin 40 as shown in the figure. Thus, the first and second levers 37 and 39 are freely folded or unfolded like a joint.

The locking pin 31 is in the form of a round bar 41 and protrudes sideways of the round bar 41 and has a locking protrusion 43 for giving a directionality when the locking pin 41 is engaged with the pin hole as a key. The pinhole 35 is also a circular hole and has a groove 45 into which the limiting protrusion 43 is fitted. That is, they have a structure such as a key and a keyhole, thereby giving directionality to the fitting direction. To prevent it from being arbitrarily dropped during the next rotation.

5 (b), the locking window pin 31 is fitted into the pin hole 35, so that the second window 7 is locked to the first and second windows 1 and 2 by the lock pin 29. As a result, So that only the limited section can be opened by the levers 37 and 39. On the contrary, when the lock knob 29 is lifted up as shown in FIG. 5 (a), the first and second windows 5 and 7 are locked. The state of Fig. 5 (b) is a state in which the window can be opened only partially, and Fig. 5 (a) is a state in which the window can not be opened by the locking device.

5 (b), when the second window 7 is opened, the second window 7 is opened in the order shown in Figs. 6 to 8. As shown in Fig. Fig. 7 shows the intermediate open state, and Fig. 8 shows the fully open state, as shown, the windows 5,7 are not opened completely in any case. With the window fully open, the first and second levers 37 and 39 are unfolded to an angle K of less than 180 degrees as shown in FIG. The degree of opening of the window may be changed by changing the lengths of the first and second levers 37 and 39. [ If the first and second levers 37 and 39 are straight, it is difficult to open or close the door. That is, the link mechanism by the first and second levers 37, 39 and the lock knob 29 is limited in the spreading angle. However, the present invention proposes a method in which the material is less damaged even during forced operation.

The enlarged view of FIG. 8 is a simplified representation of the operating relationship of the lock knob 29, the first lever 37, the locking king pin 31 and the pinhole 35.

The first lever 37 and the pinhole 35 move in the direction of the arrow along the curve W1 when the window is opened since the second lever 39 is hinged via the fixed hinge pin 40. [ The pinhole 35 has a long hole shape. The lock pin 31 can flow in the pin hole 35 only if it is in the form of a long hole.

On the other hand, the lock knob 29 and the lock king pin 31 move along the horizontal line W2 in the direction of the arrow L. When the window is opened up to the state of FIG. 8, the right side surface of the lock king pin 31 comes into contact with the right side wall of the pin hole 35, and the direction in which they move is different (L, M) I can not. The end portion of the first lever 37, that is, the portion where the pinhole 35 is formed, is bent at a slight angle as shown in an enlarged view of FIG. The extension direction of the pinhole 35 is also inclined at a slight angle with respect to the extension of the first lever 37. [ With this configuration, the degree of spreading of the first and second levers 37 and 39 can be limited. The length of the first and second levers 37 and 39 can be adjusted so that the user can directly adjust the length of the first and second levers 37 and 39. [

According to another aspect of the present invention, the first lever 37 is composed of two elastic plates 47 and 49 spaced apart in parallel, and the second lever 39 is formed in a space between the elastic plates 47 and 49 And are hingedly connected to each other.

On the other hand, restricting means for preventing the first and second levers 37 and 39 from arbitrarily flowing is provided. This restraining means is means for keeping the pinhole 35 in a predetermined position in a state that the second window 7 is completely closed. The restricting means may be provided on the first lever 37. A hemispherical first protrusion 51 protrudes from one surface of the second lever 39. The first lever 39 is provided with a first protrusion A first groove 53 can be provided in which the protrusion can be snapped into the corresponding position. According to this configuration, the first lever 39 is inserted into the space between the elastic pieces 47 and 49 with a slight gap therebetween. In the process, the first protrusion 51 is inserted into the first groove 53 by snapping The first and second levers 37 and 39 are fixed to each other.

It is also preferable that the hook 21 and the second lever 39 can be fixed in a specific position, particularly in the state of FIG. 6 folded together. As this fixing means, a second projection 51 'is protruded from the hook, and a second groove 53' is formed on the side surface of the second lever 39. The second projection 51 'is provided on the projection mounting plate 22 protruding from the lower end of the hook holding plate 25.

Although not shown, a spring means may be interposed between the first lever 37 and the hook 21 so as to be resiliently returned to the original position.

According to an aspect of the present invention, in a state in which the lock knob 39 is only tilted by about half, the lock device is released and the lock king pin 31 is not engaged with the pin hole 35. The length of the locking pin 31 may be set appropriately. This is because the window must be fully open. In other words, when the window is unlocked, the window can be opened completely or partially opened.

The above is merely an example of the technical idea of the present invention. Therefore, those skilled in the art can devise various modifications and substitutions of some of the components based on the technical idea.

One ; Window frame 3; rail
5.7; First and second windows 9, 9 '; Upper horizontal window frame
11,11 '; Lower horizontal window frames 13, 13 ', 15, 15'; Vertical window frame
17, 17 '; Window 21: Hook
23: hooking body 25: hooking plate
27: Mounting bracket 29: Locking knob
31: Rock Kingpin 33: Link mechanism
35: pinhole 37, 39: first and second levers
41: round bar 43:
45: grooves 47, 49: first and second elastic plates
51, 51 ': first and second projections 53, 53': groove

Claims (4)

The first and second sliding-type windows being folded or unfolded along the rail in a state of being coupled to a rail provided on the window frame;
A hook secured to the vertical window frame of the first window which is the outer window; A handle mount fixedly installed on a vertical window frame of a second window as an inner window; And a locking knob which is rotatably installed on the knob mounting base so that the locking knob can be opened by being hooked on the hook to lock the window and to be released from the hook when the locking knob is turned downward, ;
A locking king pin protruding from a side of the locking handle toward the first window;
A first lever provided at one side thereof with a pinhole to which the locking pin is inserted and coupled; A second lever hinged to one side of the first lever and hinged to the hook or the first window;
;
Characterized in that the lock pin is fitted to the pin hole in a state in which the lock handle is folded down so that the first and second windows can be opened only in a limited section by the first and second levers. Locks for sliding windows to enable. The method according to claim 1,
The first lever is composed of two elastic plates spaced apart in parallel; And the second lever is hingedly connected with the elastic plate. The locking device for a sliding window according to claim 1, wherein the second lever is hingedly connected with the elastic plate. The method according to claim 1,
The locking pin is in the form of a round bar (41) in which a limiting protrusion (43) protrudes laterally;
The pinhole is provided with a groove 45 into which the limiting protrusion is fitted;
Wherein the locking pin and the pinhole have a directionality with respect to a direction in which the locking pin and the pinhole are fitted. The method according to claim 1,
The first lever is composed of two elastic plates spaced apart in parallel; The second lever is hingedly connected with the elastic plate;
A first projection is formed on a side surface of the second lever to prevent the first lever and the second lever from flowing arbitrarily; Wherein a first groove is formed in the inner side surface of the first lever so that the first projection can be fitted.

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