KR200477705Y1 - Auto Locking Device for Sliding Window - Google Patents

Abstract

This design maintains the structural strength even when the distance between the two-point locking part is set in the range of 300 to 600 mm while maintaining the slim construction that facilitates installation in a narrow space of the window frame and door frame, It is an object of the present invention to provide an automatic locking device for a sliding window which can perform an unlocking operation.
The automatic lock assembly includes a locker that is locked or unlocked to the striker, a rotator, and a rotatable member that transmits the rotational movement of the rotator to the locker The automatic locking device for a sliding window device according to any one of claims 1 to 3, wherein the casing of the automatic locking assembly comprises a rotatable body accommodating the rotatable body in an intermediate portion thereof, And a support shaft for mounting the locker is provided at the end of the elongated portion. The length of the elongated portion of both the elongated portions is longer than that of the both elongated portions. And the support shaft is spaced apart in the range of 300 to 600 mm, and a plurality of the support axes are arranged along the longitudinal direction, Beneath interlock bar to maintain the horizontal and at the same time, is formed by connecting the both side walls of the case and the bottom parts of the reinforcing structure to reinforce the structural strength extended length portion.

Description

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

More particularly, the present invention relates to an automatic locking device for a sliding door, and more particularly, to a door locking device which automatically opens and closes a door by opening and closing the door, To a two-point type automatic locking device for a sliding window.

In general, a sliding door is installed in a rectangular window frame so as to move linearly, and the door is opened and closed by a sliding door, and one side of the door frame is opened or closed by contacting or separating from the window frame. Further, the automatic locking device for a sliding window is automatically locked when one side of the door frame is closed by being contacted with the window frame, and when the door is rotated by a predetermined angle in the direction of opening the door handle to open the door, .

Such an automatic locking device for a sliding window can be classified into a one-point type in which the locking portion is formed in one place and a two-point type in which the locking portion is provided in two places. Type.

The conventional structure of the automatic locking device for a two-point type sliding door window comprises a striker 3 (see FIG. 1) provided at an opposed position where the window frame 1 and the door frame 2 are in contact with each other, And an automatic locking assembly 4.

The automatic locking assembly 4 is installed by fixing the fixing portion 4b of the case 4a to the mounting groove wall 2a of the door frame 2 with screws or the like, (Not shown) interlocked by the rotation of the rotary body 6 and a shaft 6a formed with a shaft hole 5a to which the shaft 5a of the door handle 5 is fitted. And a locker 7 which is operated by the interlocking mechanism to be locked or unlocked to the striker 3 are provided.

Therefore, when the door frame 2 is closed close to the window frame 1, the locker 7 of the automatic locking assembly 4 is locked and automatically locked to the striker 3 at the opposed position, The lock mechanism 7 interlocks with the rotation body 6 of the automatic lock assembly 4 coupled with the shaft 5a of the door handle 5 to rotate the locker 7 in the direction of opening the knob 5 So that the door can be opened by releasing the lock from the striker (3).

However, the automatic locking device for a two-point type sliding door window of this construction is required to be installed in a narrow space between the window frame 1 and the door frame 2, so that the shaft 5a of the door handle 5 is connected The structure of the automatic locking assembly 4 is made as slim as possible while maintaining the distance between the shaft hole 6a of the automatic locking assembly 4 and the window frame 1 at a constant interval to minimize the narrow mounting groove wall surface 2a of the door frame 2 It has been urgently required to provide a very fast and convenient installation work.

In order to solve the above-described conventional problems, the inventor of the present invention has proposed a "automatic locking device for a sliding door window" of a registered utility model No. 20-0469307 in which the construction of the automatic locking assembly is made as slim as possible to improve the assembling property.

Recently, the height of the window has become longer due to the increase of the size of the sliding window for balconies, and the current automatic locking device in which the interval of the two-point locking portion is set to about 150 mm, It has become difficult to maintain stability. For this purpose, it is necessary to set the interval of the two-point locking part at least in the range of 300 to 600 mm. However, in the slim configuration as in the above-mentioned " automatic locking device for sliding window " of the registered Utility Model No. 20-0469307, In the case of extension, the structural strength is so weak that it is easily damaged or broken, and the locking and unlocking operation of the door is not stably performed.

The object of the present invention is to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a two-point locking device capable of maintaining a two-point locking portion at a distance of 300 to 300 mm while maintaining a slim structure for facilitating installation in a narrow space of a window frame and a door frame, The present invention provides an automatic locking device for a sliding window which can maintain a structural strength and can perform a smooth locking and unlocking operation even when the door is set in a range of 600 mm.

According to an aspect of the present invention, there is provided an automatic lock assembly comprising a striker provided on a window frame and an automatic lock assembly provided on a door frame facing the striker, the lock assembly including a locker locked or unlocked by the striker, A locking mechanism for locking the locker, the rotating body, and the interlocking mechanism to one side so as to receive therein the locker, the rotating body and the interlocking mechanism; And a cover coupled to cover the opening portion of the case, wherein the case of the automatic locking assembly has a sectional shape opened on one side and having both side walls and a bottom A rotating body accommodating portion in which the rotating body is accommodated is formed at an intermediate portion of the rotating body accommodating portion, And a supporting shaft for mounting the locker at an end of the elongated portion, wherein the interlocking mechanism includes an operating member interlocked with the rotational motion of the rotating body, And a pair of interlocking bars which are arranged along a length extending portion between the operating member and the locker and are engaged with the operating member and linearly moved to engage or disengage the locker at a position where the locker is locked to the striker, A first elastic member that applies an elastic force so that the locker is always in a position where it is unlocked from the striker and a second elastic member that applies an elastic force such that the operation member always comes in tight contact with the rotating body, The length of the portion is set to be spaced apart from the support shaft in the range of 300 to 600 mm, And a structure reinforcing portion for reinforcing the structural strength of the elongated portion by connecting both side walls of the case and the bottom to maintain the horizontal position of the interlocking bar of the interlocking mechanism. have.

In addition, in the present invention, a guide portion is formed at an intermediate portion of a length-extending portion of the case so as to protrude inwardly in a direction of movement of the interlocking bar by projecting one side wall of the case inward, Wherein the guide groove portion is longer than the guide portion and the moving stroke of the link bar is set by the difference between the length of the guide groove portion and the length of the guide portion.

Further, in the present invention, in order to maintain the horizontal position of the interlocking bar of the interlocking mechanism and to reinforce the structural strength of the guide portion formed in the extended portion of the case, an opposite side wall forming the guide portion is connected And the tubular reinforcing portion is formed in a rectangular shape along the longitudinal direction of the guide portion, and is characterized by an automatic locking device for a sliding window.

According to another aspect of the present invention, a plurality of coupling grooves are formed along the longitudinal direction of the elongated portion on the outer side of the upper end of both side walls forming the elongated portion of the case, And a plurality of coupling protrusions for preventing the door from being opened.

In addition, in the present invention, the case and the cover are combined by riveting a plurality of rivet shafts formed in the case through a plurality of rivet holes formed in the cover, followed by riveting the end of the rivet shaft, Some of the rivet shafts are characterized by automatic locks for sliding window doors with support shafts on which lockers are installed.

Further, in the present invention, the cover is divided and formed into two divided covers covering the remaining portions of both the elongated portions, and an intermediate cover covering a portion of the rotator accommodating portion and the elongated portion of the case, And an insertion protrusion for inserting the insertion groove into the connection end of the split cover to connect the intermediate cover and the two divided covers.

In addition, in the present invention, the operating member is provided so as to move in the direction of close contact or separation from the rotating body in conjunction with the rotating direction of the rotating body, and on one side thereof, Wherein the lock bar is provided with an operation protrusion which is inserted in and guided by the operating groove of the operating member and an automatic locking device for a sliding window which is engaged with the step formed in the locker and which has a hook portion for maintaining the locking state of the locker, .

According to the automatic locking device for a sliding window according to the present invention, the distance between the striker provided on the window frame and the upper and lower side lockers to be locked or unlocked is set in the range of 300 to 600 mm, The structure in which the locker, the rotating body and the case in which the interlocking mechanism are accommodated are reinforced and the interlocking mechanism is smoothly operated in correspondence with the extended length between the lockers, so that the installation of the window frame and the door frame in a narrow space is facilitated The door can be prevented from being damaged or deformed, and the locking and unlocking operation of the door can be stably performed. Thus, even when the door is opened, . ≪ / RTI >

1 is a longitudinal sectional view showing an installation state of a conventional automatic locking device for a sliding window.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic locking device for a sliding window,
3 is a perspective view showing an automatic locking assembly in an automatic locking device for a sliding window according to the present invention;
4 is an exploded perspective view showing an automatic locking assembly in an automatic locking device for a sliding window according to the present invention;
Figures 5 and 6 are front views of the automatic lock assembly of the present invention with the cover removed, with the automatic lock assembly in operative state;
Figure 7 is a cross-sectional view of the automatic lock assembly shown in Figure 3;
8 is a sectional view of a main part showing the operation of the rotating body and the operating member in the automatic locking assembly of the present invention;
9 is a sectional view taken along line AA in Fig.

Hereinafter, an automatic locking device for a sliding window according to the present invention will be described in detail with reference to the accompanying drawings. 5, the automatic locking device for a sliding window according to the present invention includes a striker 11 provided on a window frame 10, an automatic locking assembly 20 provided on a door frame 20 facing the striker 11, 3 and FIG. 5, the automatic locking assembly 30 includes a case 40 and a cover 80, and a case 40 that is installed inside the case 40 and the cover 80. As shown in FIGS. A rocker 50, a rotating body 60 and an interlocking mechanism 70. [

The case 40 is formed in a sectional shape having one side opened to accommodate the locker 50, the rotating body 60 and the interlocking mechanism 70 and having both side walls 40a and a bottom 40b (See Fig. 9), and at the intermediate portion thereof, a rotating-body accommodating portion 41 for accommodating the rotating body 60 is formed. A length extending portion 42 for receiving the locker 50 and the interlocking mechanism 70 is formed on both sides of the rotating body accommodating portion 41 as a reference, The locker 50 is rotatably mounted at the end of the length extending portion 42 so that the support shaft 43 can rotate freely .

The cover 80 is coupled so as to cover the opening of the case 40. The combination of the cover 80 and the cover 40 is such that a plurality of rivet shafts 44 formed in the case 40 are inserted into a plurality of rivets 7, the end of the rivet shaft 44 is riveted, and a part of the plurality of rivet shafts 44 is inserted into the hole 81, It is preferable to further simplify the structure of the case 40 by using the first and second connecting portions 43. [

4 to 6, the locker 50 is rotatably installed on the support shaft 43 of the case 40 so as to be locked to the striker 11 when the door is closed and to open the door handle (Not shown) is rotated to rotate the rotating body 60, the interlocking mechanism 70 is interlocked and released.

The rotating body 60 is provided in the rotating body accommodating portion 41 of the case 40 and has a shaft hole 61 to which a shaft of the door handle is coupled at the center of rotation. The protruding portion 63 and the flat portion 64 for interlocking the operation member 71 of the interlocking mechanism 70, which will be described later, are formed on the circumferential surface 62, Respectively.

The interlocking mechanism 70 is disposed between the locker 50 and the rotating body 60 to transmit the rotating motion of the rotating body 60 by the rotating operation of the door handle to the rocker 50, (70) interlocked with the actuating member (71) and extending along a length extending portion (42) between the actuating member (71) and the locker (50) A pair of interlocking bars 72 for locking or unlatching the locker 50 at a position where the rocker 50 is locked by the striker 11 when the locker 50 is moved by the striker 11 And a second elastic member 74 that applies an elastic force so that the operation member 71 always comes in tight contact with the rotating body 60. The first elastic member 73 is a spring .

5 and 6, the operation member 71 is moved in a direction close to or away from the rotating body 60 in association with the pressing of the projecting portion 63 by the rotation of the rotating body 60 Shaped operating groove 75 is formed on the front surface and gradually flaring in a direction away from the rotating body 60. As shown in FIG.

The interlocking bar 72 is provided with an actuating projection 76 which is guided by being inserted into the operating groove 75 of the actuating member 71 at the end of the actuating member 71, And a hook portion 77 which is retained by the step 51 formed in the retainer 50 and which keeps the locking state of the locker 50 is formed. The operation member 71 moves in the direction in which the operation member 71 closely contacts or separates from the rotating body 60 by the rotation of the rotating body 60 and the operation member 71 is interlocked with the ' The interlocking bar 72 is linearly reciprocated by the actuating projection 76 of the bar 72 so that the hooking portion 77 of the interlocking bar 72 engages or stops the step 51 of the locker 50 . 4, the portion having the operating protrusion 76 and the portion having the hooking portion 77 are assembled so as to be assembled so as to be capable of being assembled to the interlocking bar 72, It is preferable to facilitate the production.

The first elastic member 73 is elastically provided between the case 40 and the locker 50 so as to exert an elastic force such that the locker 50 is always in the unlocking position. (40) and fixing the other end to the locker (50).

The second elastic member 74 is provided between the case 40 and the actuating member 71 so as to apply an elastic force such that the actuating member 71 always moves to a position close to the rotary body 60, It is preferable that a plurality of compression coil springs are disposed as shown in FIG. 8 so that the operation of the operation member 71 is stabilized.

The present invention is characterized in that the length of each of the longitudinal extension portions 42 constituting the case 40 is set so as to be spaced apart from the support shaft 43 in the range of 300 to 600 mm, The upper and lower side lockers 50 are positioned within a range of 300 to 600 mm.

In addition, the present invention has a construction for reinforcing the structural strength of the elongated portion 42 extended as described above, and for smoothly operating the interlocking mechanism 70.

That is, as shown in FIGS. 4 and 7, a plurality of structural reinforcing portions 45 are provided on the extended portion 42 of the case 40, The side walls 40a and the bottom 40b of the case 40 are integrally formed with each other at a predetermined interval along the longitudinal direction of the case 40 so as to support the interlocking bar 72 of the interlocking mechanism 70, Thereby reinforcing the structural strength of the elongated portion 42 to prevent the case 40 from being twisted or deformed to cause the opening portion to widen.

4 and 5, one side wall 40a of the case 40 is protruded inward to the middle of the elongated portion 42 of the case 40 so that the movement of the interlocking bar 72 And a guiding groove portion 78 guided by the guide portion 46 is formed in the interlocking bar 72 to induce a stable linear movement of the interlocking bar 72 The guide groove portion 78 is longer than the guide portion 46 so that the stable movement stroke of the link bar 72 can be set by the difference in length between the guide groove portion 78 and the guide portion 46 .

4 and 7, a tubular reinforcing portion 47 for connecting the side wall 40a of the case 40 to the side wall 40a for forming the guide portion 46 And the tubular reinforcing portion 47 is formed in a rectangular shape along the longitudinal direction of the guide portion 46. The cylindrical reinforcing portion 47 supports the interlocking bar 72 of the interlocking mechanism 70 and reinforces the structural strength of the guide portion 46 formed in the elongated portion 42 of the case 40 A plurality of structural reinforcing portions 45 and a lower portion of the interlocking bar 72 are supported by the plurality of structural reinforcement portions 45 so that the linear movement of the interlocking bar 72 is suppressed, So as to be smooth and stable.

As shown in FIGS. 4 and 9, on the outer side of the upper ends of both side walls 40a forming the elongated portion 42 of the case 40, a plurality of elongated portions 42 are formed along the longitudinal direction of the elongated portion 42, And the cover 80 is formed with a plurality of coupling protrusions 82 to be coupled to the coupling groove 48. The coupling groove 24 and the coupling protrusions 82 It is possible to further prevent the deformation of the opening portion of the elongated portion 42 from spreading.

4 and 7, the cover 80 includes an intermediate cover 83 that covers a portion of the rotating body accommodating portion 41 and the elongated portion 42 of the case 40, And two split covers 84 covering the remaining portion of the extension portion 42. The insertion cover 85 is formed on the inner surface of both ends of the intermediate cover 83, And an insertion protrusion 86 inserted into the insertion groove 85 is formed at an end of the intermediate cover 83 so as to connect the intermediate cover 83 to the two divided covers 84. The insertion groove 85 and the insertion projection 86, The intermediate cover 83 and the two divided covers 84 can be firmly connected only by riveting the case 40 and the cover 80 with the rivet shaft 44 without any separate connecting parts .

The distance between the upper and lower lockers 50 is preferably 300 to 600 mm. For example, the distance between the upper and lower lockers 50 is 300 mm The structural strength of the case 40 and the smooth movement of the interlocking mechanism 70 can be maintained. However, the distance between the upper and lower side lockers 50 is too short to stably maintain the locked state of the door It is difficult to prevent deformation such as twist of the elongated portion 42 and elongation of the opening portion due to the reinforcing structure described above, It is difficult to expect smooth operation of the battery 70.

Hereinafter, the operation of the automatic locking device for the sliding window of the present invention will be described. 5, when the door frame 20 is close to the window frame 10 and the locker 50 of the automatic lock assembly 30 is locked to the striker 11, Is pressed against the striker 11 to be locked while rotating, and the first elastic member 73 is in a compressed state at this time. The operating member 71 of the interlocking mechanism 70 is in contact with the flat portion 64 of the rotating body 60 by the elastic force of the second elastic member 74 and the operating protrusion 76 of the interlocking bar 72 The linking bar 72 is moved toward the locker 50 so that the hooking part 77 is in the locked position and the locker 50 So that the locked state of the locker 50 is maintained.

When the door handle is rotated to open the door in this state to rotate the rotating body 60 in the counterclockwise direction in the figure, the rotating body 60 rotates and the protrusion 73 is operated The actuating member 71 moves in a direction away from the rotating body 60 while compressing the second elastic member 74. As a result, At this time, the operation protrusion 76 of the interlocking bar 72 guided in the operation groove 75 of the operation member 71 is moved to the position where the operation groove 75 is collected, (71), that is, in a direction away from the locker (50).

The hooking portion 77 is released from the step 51 of the locker 50 by the movement of the interlocking bar 72 so that the locker 50 is urged by the resilient restoring force of the compressed first elastic member 73 The locking assembly 30 is rotated away from the striker 11 to open the door.

The automatic locking assembly 30 of the present invention operates in such a manner that the entire size of the case 40 is made as slim as possible to facilitate installation in the door frame 20, 600mm, it is possible to maintain a stable locking state against the increasingly large size balcony window sliding window.

It is to be understood that the scope of the present invention is not limited to the disclosed embodiment and that the scope of the present invention is not limited to the disclosed embodiments, It will be understood by those skilled in the art that various changes, modifications, or substitutions will be possible, and that these embodiments are within the scope of the present invention.

10: window frame 11: striker
20: door frame 30: automatic locking assembly
40: Case 41: Rotor housing part
42: length extension part 43: support shaft
45: structure reinforcing portion 46: guide portion
47: tubular reinforcement 48: engaging groove
50: rocker 60: rotating body
70: interlocking mechanism 71: operating member
72: interlocking bar 73: first elastic member
74: second elastic member 75: operating groove
78: guide groove 80: cover
82: engaging projection 83: intermediate cover
84: split cover

Claims (7)

A locker provided on a window frame and an automatic locking assembly provided on a door frame facing the striker, wherein the automatic locking assembly includes a locker that is locked or unlocked to the striker, A case in which an opening is formed at one side so as to receive the locker, the rotating body, and the interlocking mechanism, and a case in which the case is opened The automatic locking device for a sliding window according to claim 1,
The case of the automatic lock assembly is formed in a sectional shape having one side opened and having both side walls and a bottom, a rotating body accommodating portion accommodating the rotating body is formed at an intermediate portion thereof, And a support shaft for installing the locker at an end portion of the elongated portion,
Wherein the interlocking mechanism includes an operating member interlocked with the rotational motion of the rotating body and a locking member which is disposed along the extended portion between the operating member and the locker and is linearly moved in conjunction with the operating member so that the rocker is locked to the striker A first elastic member that applies an elastic force such that the locker is always in a position where it is unlocked from the striker, and a second elastic member which constantly applies an elastic force A second elastic member for imparting elasticity,
Wherein a length of both elongated portions of the case is set so as to be spaced apart from each other by a distance of 300 to 600 mm between the support shafts and a plurality of the elongated portions are arranged along the longitudinal direction of the elongated portion to support the interlocking bar of the interlocking mechanism, A structure reinforcing portion for reinforcing the structural strength of the elongated portion is formed by connecting both side walls and the floor,
The operation member is provided to move in a direction to close or separate from the rotating body by interlocking with the rotating direction of the rotating body, and on one side thereof, a 'V' shaped operating groove gradually extending in a direction away from the rotating body is formed Wherein the locking bar is provided with an operating projection which is inserted and guided in the operating groove of the operating member and a hook portion which is retained by the step formed on the locker and which maintains the locking state of the locking device. [2] The apparatus according to claim 1, further comprising: a guide portion formed at an intermediate portion of the case extending portion in a length direction in a direction of movement of the interlocking bar by projecting one side wall of the case inward, Wherein the guide groove portion is longer than the guide portion and the movement stroke of the link bar is set by the difference between the length of the guide groove portion and the length of the guide portion. The connecting device according to claim 2, further comprising a connecting portion for connecting the one side wall of the case and the opposite side wall forming the guide portion to reinforce the structural strength of the guide portion formed in the extended portion of the case, Further comprising a tubular reinforcing portion, wherein the tubular reinforcing portion is formed in a rectangular shape along the longitudinal direction of the guide portion. [3] The apparatus of claim 1, wherein a plurality of coupling grooves are formed along the longitudinal direction of the elongated portion on the outside of the upper ends of both side walls forming the elongated portion of the case, And a plurality of coupling protrusions are formed on the upper surface of the sliding door so as not to support the sliding door. The case according to claim 1, wherein the case and the cover are engaged by a plurality of rivet shafts formed in the case through a plurality of rivet holes formed in the cover and then riveting the end of the rivet shaft, Wherein a part of the rivet shaft is a support shaft on which a rocker is installed. 2. The apparatus as claimed in claim 1, wherein the cover comprises: an intermediate cover which covers a rotating body accommodating portion of the case and a part of the elongated portion; and two divided covers covering the remaining portions of both elongated portions, Wherein an insertion groove is formed in the side surface of the split cover and an insertion protrusion inserted into the insertion groove is formed in the connection end of the split cover to connect the intermediate cover and the two split covers. delete

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