KR20110101832A - Locking apparatus for sliding door - Google Patents

Abstract

The present invention relates to a sliding device for a sliding window that can be locked even when the window is partially opened. The composition is; A fixing plate 9 fixed to a lower portion of the first window 5 installed at the indoor side; The hinge plate is connected to the fixed plate 9 so as to be rotatable about a vertical axis X, so that it can be interviewed with the second window 7 installed on the outdoor side, and the starting plate on which the first shaft hole 13 is perforated ( 11); A first key member 17 having an L-shaped plate member having a second shaft hole 19 formed therein; The first shaft hole 13 and the second shaft hole 19 are sequentially formed in a state where the start plate 11 and the first key member 17 are overlapped so that the first and second shaft holes 13 and 19 are concentric. A second key member 23 penetrating through; A first fitting hole 27 into which the other end 17a of the first key member 17 is fitted in the bottom frame 3a of the window frame in which the rail is installed; The second window 7 is provided with a second fitting hole 29 into which the tip portion 23a of the second key member 23 penetrating and protruding from the first and second shaft holes 13 and 19 is inserted. It features.

Description

Locking Apparatus For Sliding Door}

The present invention relates to an auxiliary locking device, and more particularly, to a security device for a sliding window that can further enhance security by assisting an existing locking device and to be locked even when the door is partially opened.

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

The windows are designed to draw in sunlight and wind as a means of communicating with the outside air. However, it is difficult to stay open windows where there is a risk of intrusion from the outside. It is especially dangerous to go to bed with a window open on a summer night, so residents suffer a lot. Installing a security window such as a grate is one way, but there is a problem of cost or appearance damage and many inconveniences when using it.

An object of the present invention for the above problems, as a locking device to install on the sliding door can further enhance the security by assisting the existing locking device and the secondary lock device for sliding windows that can be locked even in a partially open state of the door. Is to provide. Another object of the present invention is to provide a sliding device for a sliding window door having a double locking function that can not be opened even by using a tool from the outside in the open window gap.

The above purpose is; It is used for a sliding window comprising two or more windows that are maneuvered and spread along the rails while being coupled to a rail provided in the window frame;

A fixed plate fixed to a lower portion of the first window installed at the indoor side; A starting plate connected to the fixing plate by a hinge means so as to be rotatable about a vertical axis, and being interviewed with a second window installed at an outdoor side, wherein the first shaft hole is perforated; A first key member having an L-shaped plate member having a second shaft hole perforated at one end thereof; A second key member which sequentially passes through the first shaft hole and the second shaft hole in a state in which the starting plate and the first key member are overlapped so that the first and second shaft holes are concentric;

A first fitting hole into which the other end of the first key member is fitted is provided in the bottom frame of the window frame in which the rail is installed;

The second window is achieved by a locking device for a sliding window, characterized in that the second fitting hole is provided with a front end portion of the second key member penetrating and protruding the first and second shaft holes.

According to a feature of the invention; First and second key grooves are recessed in the first and second shaft holes, respectively, and the second key member protrudes from a key protrusion inserted into the first and second key grooves;

The second key member is fitted into the first and second shaft holes only in a specific direction.

According to another feature of the invention, there is interposed between the starting plate and the first key member (key plate) in which a third shaft hole is perforated; A third key groove into which the key protrusion may be inserted may also be recessed in the third shaft hole.

According to another feature of the present invention, the starter plate may be provided with a stopper for limiting the rotation angle of the second key member of the first key member as the rotation axis.

According to still another feature of the present invention, at the front end of the second key member, a locking jaw is formed to protrude from the state in which the key member is inserted into the first and second shaft holes; A handle may be installed at the rear end of the key member.

According to the configuration as described above, when there are a plurality of first and second holes in the opening direction of the window, the user can lock the window in a state of opening as desired.

The user inserts the first key member into the first fitting hole provided in the bottom frame of the window frame and simultaneously inserts the second key member into the second fitting hole provided in the window so that the two windows can be simultaneously fixed at a specific position. do. Since the key protrusions of the first and second key grooves of the first and second shaft holes and the second key member cannot be matched from the outside, the second key member cannot be pulled out from the second fitting hole and thus the window cannot be opened. Therefore, a double locking device for the sliding door is provided.

1 is a perspective view showing an installation state of a locking device for a sliding window according to an embodiment of the present invention.
Figure 2 is a perspective view of the locking device for a sliding window according to the first embodiment of the present invention, Figure 3 is an exploded perspective view.
4 is a cross-sectional view taken along line AA of FIG. 2.
5 is a front view of the locking device for a sliding window according to the first embodiment of the present invention.
6 is a perspective view of a lock for a sliding window according to a second embodiment of the present invention, Figure 7 is an exploded perspective view.
8 to 9 are cross-sectional views taken along the line BB of Figure 6 for showing the operating state of the locking device for a sliding window according to a second embodiment of the present invention.
10 is a perspective view of a lock for a sliding window according to a third embodiment of the present invention, Figure 11 is an exploded perspective view.

The sliding device for a sliding window of the present invention is a sliding door composed of two or more windows (5, 7) to be folded and unfolded while maneuvering along the rail (3) in a state coupled to the rail (3) provided in the window frame (1) It is used for window of form. In general, two windows 5 and 7 are installed, but there may be three or more windows, and the present invention does not exclude this.

The locking device for sliding windows of the present invention may be used only as an auxiliary means of the main locking device which is basically mounted on the windows 5 and 7, or as the only locking device in the absence of the main locking device. That is, when the locking device of the present invention is generalized, it can be a main locking device.

Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. 2 to 5.

The fixing plate 9 is fixed to the lower part of the narrow side surface (furnace) of the first window 5 installed on the indoor side by screws or the like.

The starting plate 11 is connected to the fixed plate 9 so as to be rotatable about the vertical axis X by a hinge means such as a hinge. The starter plate 11 may be interviewed by a second window 7, particularly its lower frame 7a, installed on the outdoor side. The first shaft hole 13 is drilled in the starting plate 11 in the form of a half moon. The first key hole 15 is provided in the first shaft hole 13 in a quadrangular shape.

The first key member 17 is an L-shaped plate member, the second shaft hole 19 is perforated at one end 17a, and the other end 17b is tapered with a sharp end. The second shaft hole 19 is circular and the second key groove 21 is provided in a square shape.

The second key member 23 includes the first shaft hole 13 and the second shaft in a state where the starting plate 11 and the first key member 17 are overlapped so that the first and second shaft holes 13 and 19 are concentric. It passes through the shaft hole 19 sequentially. The key protrusion 25 protrudes from the second key member 17. The hexahedron key protrusion 25 has a square shape and may be fitted into the first and second key grooves 15 and 21 provided in the first and second shaft holes 13 and 19. The key protrusion 25 may be composed of two unit key protrusions 25a and 25b spaced apart by the thickness of the first key member 17 as shown.

Since the first key member 17 can rotate about the second key member 23, the second key member 23 functions as an axis with respect to the first key member 17.

The locking device of the present invention includes: a first fitting hole 27 into which the other end 17b of the first key member 17 is fitted into the bottom frame 3a of the window frame on which the rail 3 is installed; The front end portion 23a of the second key member penetrating the first and second shaft holes 13 and 19 is inserted, and further includes a second fitting hole 29 provided in the second window 7.

The first and second fitting holes 27 and 29 described below may be provided in plural as shown. The number of first and second fitting holes 27 and 29 may be freely selected.

The first fitting hole 27 may be installed by perforating directly to the bottom frame 3a of the window frame, but may be installed via the lower fixing piece 31 as shown. The lower fixing piece 31 has a plurality of first fitting holes 27 into which the other end 17b of the first key member can be fitted at a predetermined interval on an elongated plate. Since the lower fixing piece 31 should not interfere with opening and closing of the window, it may be installed after the bottom frame 3a is properly dug or cut out.

The second fitting hole 29 is provided in the transverse direction on the side wall of the lower frame 7a of the second window provided on the outdoor side. Like the first fitting hole 27, the second fitting hole 29 may be installed by perforating the lower frame 7a of the second window directly, or may be installed through the side fixing piece 35. The side fixing piece 35 has a plurality of second fitting holes 29 having a shape in which the tip of the second key member 23 can be inserted into the elongated plate at a predetermined interval. It is clear that the side fixing piece 35 also should not give a future for the window to open and close.

The length of the lower fixing piece 31 and the side fixing piece 35 and the number and spacing of the first and second fitting holes 27 and 29 respectively provided therein may be arbitrarily changed.

According to the present embodiment, the locking jaw 39 protrudes from the front end of the second key member 23 to prevent the second key member 23 from being pulled out while being fitted into the first and second shaft holes 13 and 19. Become; Even after the second key member 23, the handle 41 having a size that cannot pass through the first and second shaft holes 13 and 19 may be integrally installed or assembled. As shown, the handle 41 is coupled to the second key member 23 by a mood bolt or the like. The second key member 23 is separated by the locking jaw 39 and the handle 41 while passing through the first and second shaft holes 13 and 19 of the starting plate 11 and the first key member 17. Will not be.

According to the configuration as described above, the user rotates the starter plate 11 in a state of partially opening the window and pastes it toward the lower frame 7a of the second window 7, and then the first key member 17 is removed. The second key member 23 is rotated about the axis to align the second key groove 21 and the key protrusion 25, and then the second key member 23 is pushed toward the second window 7. Then, the tip portion 23a of the second key member 23 is introduced into one of the second fitting holes 29 of the side fixing piece. As a result, the first and second windows 5 and 7 are fixed to each other. In this state, the first and second windows 5 and 7 may move along the rail 1 in a state where they are woven together.

As shown in FIG. 4, the first key member 17 is located in the space between the key protrusions 25 and is in a state in which it can be freely rotated. In this state, when the first key member 17 is rotated and drawn into one of the first fitting holes 27 of the lower fixing piece 31 installed on the bottom frame 3a of the window frame, the first and second windows 5 , 7) is fixed to the bottom frame 3a of the window frame.

When releasing the locking device, the second key member 17 is removed from the first fitting hole 27 and the second key groove 21 and the key protrusion 25 of the second key member 23 are aligned with each other. The key member 23 can be taken out from the second window 7.

According to this embodiment, the cross section of the 1st key groove 15 and the 2nd key member 23 can be made into the half-moon shape. According to this, the starting plate 11 and the second key member 23 may be coupled only at a specific angle. This is for ease of use so that only the first key member 17 needs to be rotated when the second key groove 21 and the key protrusion 25 are aligned.

The first key groove 15 provided in the first shaft hole 13 is for disassembling the second key member 23 and the starting plate 11 in a state where the handle 41 is separated. It is not an essential component to perform a function.

According to another embodiment of the present invention, the starter plate 11 may be provided with a stopper 43 for limiting the rotation angle of the second key member 23 of the first key member 17 as the rotation axis. The stopper 43 is a rod having a d-shaped (c) shape as shown in the drawing, and the first key member 17 is freely rotated so as to eliminate problems such as hitting the window or rattling. It is shown by the dotted line in the front view of FIG. 5 that the starting plate 11 is lifted by the stopper 43.

6 to 9 show a locking device according to a second embodiment of the present invention. This embodiment is intended to further secure the security by using a more complete double lock method is the best embodiment proposed by the present inventors. Since the basic configuration is the same as the above embodiment, repeated description thereof will be omitted. According to the present embodiment, the circular key plate 45 is further interposed between the starting plate 11 and the first key member 17. The third shaft hole 47 is bored in a circular shape in the key plate 45, and a third key groove 49 is provided in the third shaft hole 47.

FIG. 8 illustrates a locked state, and FIG. 9 illustrates a locked state.

In the unlocked state, the second key member 23 cannot be pulled out of the starting plate 11 by the locking jaw 39, and the key plate 45 and the first key member 17 are connected to the second key member ( 23 can be freely rotated with the shaft center (see FIG. 8). Of course, the first key member 17 is limited to the rotation by the stopper 43.

In this state, as shown in FIG. 9, the key plate 45 and the first key member 17 are rotated to allow the third key groove 49 and the second key groove 21 of the first key member 17 to rotate. ) To the key protrusion (25). In this process, the other end 17b of the first key member is inserted into the first fitting hole 27 of the lower fixing piece 31.

Then, the second key member 23 is inserted into the second fitting hole 29 of the side fixing piece 35. Then, the key board 45 is located in the space between the key protrusions 25 to be freely rotated, and one unit key protrusion 25b is the second key groove 21 of the first key member 17. To be fitted to. When the user rotates the key board 45 to be placed at an arbitrary position, the second key member 23 cannot be released from the second fitting hole 29, and in conjunction with this, the first key member 17 may also be rotated. It cannot be pulled out from the first fitting hole 27.

In order to release the locking device, the key plate 45 is rotated so that the third key groove 49 coincides with the key protrusion 25 of the second key member 23. In order to easily grasp the exact position (releaseable position) of the key board 45, a predetermined mark 51 can be engraved on the key board 45 and the starting plate 11, respectively. Reference numerals not described in FIGS. 6 to 9 may refer to the description of the first embodiment.

10 to 11 are a perspective view and an exploded perspective view of the locking device according to a third embodiment of the present invention. The present embodiment proposes another method for preventing the first and second key members 17 and 23 from being released from the outside in the locked state.

In this embodiment, the key protrusion 25 and the key grooves 15 and 21 in the first embodiment (see FIGS. 2 to 3) do not have a screw thread in the middle of the second key member 23. The male screw part 55 which protrudes about is formed. In addition, female threads 57 and 59 that can be screwed into the male screw portion 55 are formed in the first shaft hole 13 and the second shaft hole 19, respectively.

Thus, when the starter plate 11 and the first key member 17 penetrate through the male screw portion 55 of the second key member 23, the starting plate 11 and the first key member 17 are fixed by the locking jaw 39 and the male screw portion 55. It can be in a state that can flow freely only in the section.

The male screw 55 and the female screw of the first key member while rotating the second key member 23 in the direction of the arrow while the first key member 17 is inserted into the first fitting hole 27 in the engaged state of FIG. 10. When screwing the portion 59, the second key member 23 can not escape from the second fitting hole (29) unless it is rotated in the opposite direction to the arrow shown.

According to this embodiment, the second key member 23 has a round bar shape as shown in FIG. 11, and the first shaft hole 13 is also circular. The remaining reference numerals which are not described are the same as those described through the first embodiment.

As such, the technical idea of the present invention may be modified or modified in various forms, or may be implemented by omitting some components.

One ; Window frame 3; rail
5,7; First and second windows 9; Fixed plate
11; Starting plate 13,19,47; 1st, 2nd, 3rd axis
15,21,49; 1, 2, 3 keyway
17,23; First and second key members 25; Key turning
27,29; First and second fitting holes 31; Downward fixed flight
35; Lateral fixation piece 39; Jaw
41; Handle 43; stopper
45; Keypad 51; Mark
55; Male thread portion 57,59; Female thread

Claims (5)

It is used for sliding windows including first and second windows (5,7) to be moved along the rail (3) in the state coupled to the rail (3) provided in the window frame (1) to be folded or unfolded;
A fixing plate 9 fixed to a lower portion of the first window 5 installed at the indoor side; The hinge plate is connected to the fixed plate 9 so as to be rotatable about a vertical axis X, so that it can be interviewed with the second window 7 installed on the outdoor side, and the starting plate on which the first shaft hole 13 is perforated ( 11); A first key member 17 having an L-shaped plate member having a second shaft hole 19 formed therein; The first shaft hole 13 and the second shaft hole 19 are sequentially formed in a state where the start plate 11 and the first key member 17 are overlapped so that the first and second shaft holes 13 and 19 are concentric. A second key member 23 penetrating through;
A first fitting hole 27 into which the other end 17a of the first key member 17 is fitted in the bottom frame 3a of the window frame in which the rail is installed;
The second window 7 is provided with a second fitting hole 29 into which the tip portion 23a of the second key member 23 penetrating and protruding from the first and second shaft holes 13 and 19 is inserted. A sliding door lock for sliding windows. The first and second shaft holes 13 and 19 are provided with first and second key grooves 15 and 21, respectively, and the second and second key members 23 are provided with the first and second key grooves 15, respectively. The key protrusion 25 inserted into the protrusion 21 is formed to protrude;
The second key member (23) is a sliding device for a sliding window, characterized in that the fitting in the first and second shaft holes (13, 19) only in a specific direction. The method of claim 1, further comprising: The first and second shaft holes 13 and 19 are provided with first and second key grooves 15 and 21, respectively, and the second key member 23 is inserted into the first and second key grooves 15 and 21. A key protrusion 25 is formed; Between the starting plate 11 and the first key member 17 is interposed between a key plate 45 through which a third shaft hole 47 is perforated; The third shaft hole 47 is provided with a third key groove 49 into which the key protrusion 25 can be inserted; The key protrusion 25 is a lock device for a sliding window, characterized in that composed of two unit key protrusions (25a, 25b) spaced apart by the thickness of the key plate (45). The stopper 43 according to any one of claims 1 to 3, wherein the starter plate 11 has a stopper 43 for limiting the rotation angle of the second key member 23 of the first key member 17 as the rotation axis. Lock for sliding window, characterized in that the provided. The method of claim 1 or 3; A latching jaw (39) is formed at the tip of the second key member (23) to prevent the second key member (23) from being pulled out while being fitted into the first and second shaft holes (13, 19); Locking device for a sliding window, characterized in that the handle 41 is installed on the rear end of the second key member (23).

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