KR102471518B1 - Window locking device with lock display function - Google Patents

Abstract

The present invention relates to a locking device for windows and doors equipped with a locking display function that enables visually checking whether or not a window is locked by providing a locking display unit interlocked when the locking device is operated near a handle for opening and closing a window. will be.

Description

Window locking device with lock display function {Window locking device with lock display function}

The present invention relates to a locking device for windows and doors, and more particularly, to a locking device for windows and doors equipped with a locking or non-locking display function for visually checking whether or not a window or door equipped with an automatic locking device is locked.

In general, a door or window installed in a living room or a veranda is equipped with a locking device. Recently, an automatic locking device capable of being locked by simply closing a window without a separate locking operation has been provided.

Regarding the locking device for such a window, there has been a prior application for Korean Utility Model Registration No. 20-0409014 (published date: February 22, 2006).

Referring to FIG. 1, a conventional automatic locking device for windows and doors is installed on a striker 1a fixedly installed on the inner circumferential surface of a window frame 1 and a window 2 that slides open and close to close the window 2 It includes a hardware (2a) equipped with a hook (not shown) that is pivotally manipulated so that it can be automatically hooked and fixed to the hooking part of the striker (1a) during operation. In this case, the hook is installed to be interlocked with the handle 2b via the rod, and lock/open operation is performed.

However, in the conventional automatic locking device for windows and doors as described above, since it is not visually confirmed whether the window 2 is properly locked, it is inconvenient to directly push the window 2 to check whether it is locked.

The present invention has been devised to solve the above-described problems, and a lock display unit is provided near a handle for opening and closing a window, which is interlocked when a locking device is operated, so that it is possible to visually check whether a window is locked or not. Its purpose is to provide a locking device for windows and doors equipped with functions.

The locking device for windows and doors equipped with a locking display function according to the present invention for realizing the above object is coupled to the indoor side of a sliding window, has a storage space formed with a shaft hole therein, and has a surface A main body having a display window;

a handle part rotatably coupled to the shaft hole of the main body via a driving shaft and coupled via a spring to automatically return to an original state after a rotational operation of the driving shaft;

Hardware including a hook embedded in one side groove of the window and coupled to the front end of the drive shaft and interlocked via a rod and a drive gear coupled to the drive shaft, wherein the hook attaches to the window frame when the window is closed. a locking unit that automatically locks and locks while rotating in contact with the installed striker, and unlocks the hook when the handle unit rotates; and

An operating button that elastically protrudes from the opposite surface of the hardware so that it can be pressed against the inner circumferential surface of the window frame when the window is closed, an interlocking pin that is elastically supported so that it can be pulled in conjunction with the pressing of the operating button, and The color display member elastically supported so that it can be released by the pulling operation of the interlocking pin and simultaneously moved to one side within the main body, and the interlocking pin elastically returned when the window is opened through the rotational manipulation of the handle. Including a rotating cam that pushes and moves the color display member to the other side while rotating integrally with the drive shaft so that the color display member can be locked again, whether or not the color display member is locked through the display window according to the moving position of the color display member A displayed lock display unit; includes.

According to the present invention according to the configuration as described above, a locking indicator interlocking with the locking unit is provided near the main body of the handle for opening and closing the window, so that it is easy to visually check whether the window is locked or not through the color change of the locking display. can

In addition, a separate auxiliary locking unit is provided on one side of the body unit to selectively block operation of the handle unit to prevent infants or children from opening the window, thereby preventing safety accidents from occurring.

1 is an indoor elevation view of a window equipped with a conventional automatic locking device;
Figure 2 is a perspective view of the main part of the locking device for windows equipped with a lock display function according to the present invention,
Figure 3 is an exploded perspective view of a locking device for windows equipped with a locking display function according to the present invention;
Figure 4 is a perspective view showing the internal configuration of the locking unit according to the present invention;
5 and 6 are detailed views showing a specific coupling structure of the operating button according to the present invention;
7a and 7b are a cross-sectional view along the line II' of FIG. 6 and an operating state diagram of the locking display unit;
8 is a perspective view of main parts showing the configuration of a lock display unit and an auxiliary locking unit according to the present invention;
9a to 9c are views showing the operation of the locking device for windows and doors according to the present invention.

Hereinafter, the configuration and operation of specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Here, in adding reference numerals to the components of each drawing, it should be noted that the same components are marked with the same numerals as much as possible, even if they are displayed on different drawings.

2 is a perspective view of the main part of the locking device for windows and doors equipped with a locking display function according to the present invention, and FIG. 3 is an exploded perspective view of the locking device for windows and doors.

Referring to FIG. 2, the locking device for windows and doors equipped with a locking display function according to a preferred embodiment of the present invention includes a body part 100, a handle part 200, a locking part 300, and a locking display part 400. ).

The detailed description of the configuration of the present invention is as follows.

Referring to FIG. 3 , the body part 100 is coupled to the indoor side of the sliding window 20 and has a storage space formed with shaft holes 101 . In addition, a display window 111 is provided on the cover 110 coupled to the surface of the main body 100 . The display window 111 indicates whether the window 20 is locked or not by using a specific color. For example, the display window 111 may be formed in a lock shape.

The handle part 200 is rotatably coupled to the shaft hole 101 of the main body part 100 via the driving shaft 201, and when the window 20 is opened, it is rotated to one side, thereby locking the locking part 300. it unlocks In this case, the handle part 200 is coupled to the main body part 100 via a spring 203 so that it can automatically return to its original state after the driving shaft 201 is rotated. That is, the handle portion 200 always maintains a vertically arranged state when no external force is applied.

The locking unit 300 is configured to automatically set a locked state through the hardware 310 when the window 20 is closed, and the hardware ( 310) is buried and then fixedly installed via a fastening member (not shown). The front end of the drive shaft 201 is coupled to the installed hardware 310 .

4, the driving gear 311 inside the hardware 310 is rotatably coupled to the front end of the driving shaft 201, and the rod 313 can move up and down on the driving gear 311. fit together Hooks 315 are rotatably installed at the top and bottom of the elevating rod 313 while interlocking. Further, the hook 315 is elastically supported so as to be rotated (counterclockwise direction in the drawing) in a direction in which the hook 315 is engaged via a torsion spring (not shown).

When the window 20 is closed, the inclined surface of the front end of the hook 315 contacts the striker 320 installed on the inner circumferential surface of the window frame 10 and rotates at a predetermined angle in the locking part 300 having this configuration. By automatically engaging and fixing the locking jaw 321, it becomes a locked state.

Conversely, when the handle part 200 is rotated in the opening direction of the window 20 when the window 20 is opened, the interlocking rod 313 rotates the hook 315 (clockwise in the drawing). The lock is released by releasing the hook 315 from the hook 321 of the striker 320 .

Meanwhile, the hardware 310 is provided with an arm 330 that pivots and protrudes toward the inner circumferential surface of the window frame 10 while interlocking with the intermediate gear 312 when the drive gear 311 rotates. When the handle 200 is rotated for opening the window 20, the arm 330 rotates and protrudes around the rotation shaft 331 and pushes the inner circumferential surface of the window frame 10 to move the window 20 in the opening direction. They may be separated by a predetermined interval. That is, the window 20 can be easily opened with little force through the arm 330 . In this case, a roller 333 is provided at an end of the protruding arm 330 to reduce friction generated while contacting the inner circumferential surface of the window frame 10 when the arm 330 turns and protrudes.

The locking unit 300 as described above has been applied and used in various forms in the past, and a detailed description of the structure thereof will be omitted.

Referring back to FIG. 3 , the lock display unit 400 is provided to visually check whether or not the window 20 is locked. A color display member 430 and a rotation cam 440 may be included.

5 and 6, the operation button 410 is elastic to the opposite surface of the hardware 310 so that the window 20 is closed and pressed against the protrusion 11 on the inner circumferential surface of the window frame 10. It is installed so that it protrudes into Specifically, the operating button 410 is elastically supported in the first insertion hole 310a of the hardware 310 so that one end can elastically protrude toward the inner circumferential surface of the window frame 10 through a spring 411. do. The spring 411 may be installed in the installation space 410a within the operating button 410 . In this case, a fixing piece 317 for fixing one side of the spring 411 is provided in the installation space 410a, so that the operating button 410 can be elastically supported. In addition, an inclined protrusion 413 is formed at the other end of the operation button 410 . When the operation button 410 having this structure is pressed, the inclined protrusion 413 protrudes into the second insertion hole 310b communicating in a horizontal direction orthogonal to the first insertion hole 310a.

Referring to FIG. 7A , the interlocking pin 420 is installed in the second insertion hole 310b so that the interlocking pin 420 can be interlocked and pulled when the operation button 410 is pressed. Specifically, one end 420a of the interlocking pin 420 contacts the inclined surface 413a of the inclined protrusion 413 protruding into the second insertion hole 310b along the axial direction of the second insertion hole 310b. An insertion hole 421 into which the inclined protrusion 413 is inserted so as to be movable is provided. In addition, the other end 420b of the interlocking pin 420 protrudes toward the rear locking groove 431 of the color display member 430 by the elastic restoring force when the operation button 410 is released, so that the body portion 100 can be locked and fixed. ) is coupled via a spring 423 in the casing 103.

Referring to FIG. 7B, the color display member 430 is disengaged by the pulling operation of the interlocking pin 420 and is simultaneously moved to one side within the main body 100, and the color display member 430 is the main body. Through the display window 111 of the unit 100, the fact that the window 20 is in a locked state is displayed in a specific color (for example, red). Specifically, the color display member 430 is movably coupled to the left and right within the main body 100, and coupled to be elastically supported to one side via a spring 433. In the color display member 430 having this structure, when the window 20 is closed, the locking of the interlocking pin 420 is released from the rear locking groove 431 by the pulling operation of the interlocking pin 420, and at the same time, the spring 433 ) The color display member 430 is moved to one side by the elastic restoring force. Accordingly, the display window 111 indicates that the window 20 is in a locked state. That is, on the front side of the color display member 430, identification plates 435 displaying different colors are provided on left and right sides so that a specific color can be displayed through the display window 111 of the cover 110. For example, on one side 435a of the identification plate 435, an inconspicuous color indicating that the window 20 is in an unlocked state (for example, the same color as the cover provided with the display window) is displayed, and the identification plate 435 ) may be displayed in red indicating the locked state of the window 20 on the other side 435b.

Referring to FIG. 8 , the rotational cam 440 pushes and moves the color display member 430 to the other side when the window 20 is opened by manipulating the handle 200, and the rotational cam 440 is coupled to the drive shaft 201 and rotates integrally. Specifically, a pressing protrusion 441 for pushing and moving the step 437 of the color display member 430 to the other side is provided on the outer circumferential surface of the rotation cam 440 . The rotation cam 440 of this configuration pushes and moves the color display member 430 to the other side simultaneously with the rotation operation of the handle 200, and the moment the moved color display member 430 is located at a predetermined point. The other end of the elastically returned interlocking pin 420 is caught in the locking groove 431 on the rear surface of the color display member 430, and the position is fixed (the state of FIG. 7A).

Meanwhile, the body part 100 may further include an auxiliary locking part 500 that selectively blocks manipulation of the handle part 200 so that infants or children cannot open the window 20 .

Specifically, the auxiliary locking part 500 includes an operating knob 510 slidably coupled along the guide rail 113 provided on one side of the main body 100, and the operating knob 510 is operated upward. By making the upper end of the start-up knob 510 catch on the stepped groove 443 provided on the outer circumferential surface of the rotation cam 440, it is possible to prevent the rotation operation of the handle unit 200 itself, thereby preventing safety accidents. can do.

Then, the operating principle of the locking device for windows having a function of indicating whether or not to lock according to the present invention configured as described above will be described with reference to FIGS. 9A to 9C.

Referring to FIG. 9A , in order to close the opened window 20 , the window 20 is slid toward the window frame 10 while holding the handle 200 . At this time, the handle portion 200 is maintained in a vertical state without being rotated. And the operating button 410 installed on the opposite surface of the hardware 310 facing the window frame 10 is in a state of elastically protruding. In addition, the lock display unit 400 indicates that the window 20 is currently unlocked as the color of one side 435a of the identification plate 435 is exposed through the display window 111 (see FIG. 7A).

Referring to FIG. 9B , the moment the window 20 comes into contact with the window frame 10 and closes, the front end of the hook 315 installed on the window 20 catches the hook 321 of the striker 320 installed on the inner circumferential surface of the window frame 10. ) is elastically hooked and locked. At the same time, as the operating button 410 comes into contact with the inner circumferential surface of the window frame 10 and is pressed, the color display member 430 moves to one side by the operation of the interlocking pin 420 interlocked therewith, and the display window 111 As the color (red) of the other side 435b of the identification plate 435 is exposed through ), it can be visually confirmed that the current window 20 is in a locked state (state in FIG. 7B).

Referring to FIG. 9C , when the handle 200 is rotated along the direction in which the window 20 is opened to open the window 20, the hook 315 is hooked and fixed by the operation of the rod 313. As this is released, the locked state of the locking unit 300 is released. At the same time, the arm 330 pivoting and protruding toward the inner circumferential surface of the window frame 10 pushes the inner circumferential surface of the window frame 10 at a predetermined distance, so that the window 20 can be easily opened. In addition, the rotation cam 440 (see FIG. 8) rotated by the turning operation of the handle part 200 pushes and moves the color display member 430 to the other side, and at the same time, to release the pressing of the operation button 410 As the other end 420b of the interlocking pin 420 is caught and fixed in the rear locking groove 431 of the color display member 430, the color of one side 435a of the identification plate 435 is exposed through the display window 111 will keep the status quo. Therefore, it can be confirmed with the naked eye that the current window 20 is unlocked (state of FIG. 7A).

In the above, the present invention has been shown and described with specific specific examples, but the present invention is not limited to the above-described embodiments, and various changes and modifications are possible without departing from the technical spirit of the present invention.

10: window frame 11: protrusion
20: window 21: one side groove
100: body part 101: shaft hole
103: casing 110: cover
111: display window 113: guide rail
200: handle part 201: drive shaft
203: spring 300: locking part
310: hardware 310a: first insertion hole
310b: second insertion hole 311: drive gear
313: rod 315: hook
317: fixed piece 320: striker
321: locking jaw 330: arm
331: rotation shaft 333: roller
400: lock display unit 410: operation button
410a: installation space 411: spring
413: inclined protrusion 413a: inclined surface
420: interlocking pin 420a: once
420b: other end 421: insertion hole
423: spring 430: color display member
431: locking groove 433: spring
435: identification plate 435a: one side
435b: other side 437: stepped
440: rotation cam 441: pressing protrusion
443: stepped groove part 500: auxiliary locking part
510: operation knob

Claims (7)

It is coupled to the indoor side of the sliding opening and closing window 20, has an axis hole 101 formed on the surface and a storage space formed on the back side, and a hole matching the axis hole 101 in the cover 110 coupled to the surface and a body portion 100 having a display window 111;
It is rotatably coupled to the shaft hole 101 of the body portion 100 via a drive shaft 201, and is coupled via a spring 203 so that it can automatically return to its original state after the rotation operation of the drive shaft 201 handle part 200;
A hook coupled to the front end of the drive shaft 201 in a state embedded in the groove 21 on one side of the window 20 and interlocked via a drive gear 311 coupled to the drive shaft 201 and a rod 313 Including the hardware 310 equipped with 315, when the window 20 is closed, the hook 315 comes into contact with the striker 320 installed on the window frame 10 and rotates to be automatically caught and fixed. A locking unit 300 that releases the hook 315 when the handle unit 200 rotates; and
When the window 20 is closed, the operation button 410 elastically protrudes from the opposite surface of the hardware 310 so that it can be pressed in contact with the inner circumferential surface of the window frame 10, and the operation button 410 is pressed An interlocking pin 420 that is elastically supported so that it can be interlocked and pulled, and a color that is elastically supported so that it can be released from the jamming by the pulling operation of the interlocking pin 420 and move to one side within the main body part 100 When the window pane 20 is opened through rotation of the display member 430 and the handle 200, the interlocking pin 420 elastically returns, so that the color display member 430 can be hooked and fixed again. The display window 111 according to the moving position of the color display member 430, including a rotation cam 440 that rotates integrally with the drive shaft 201 and pushes the color display member 430 to the other side. A locking device for windows and doors including a lock display unit 400 that displays whether or not the lock is locked through.
According to claim 1,
The hook 315,
A locking device for windows and doors that is elastically supported via a torsion spring so that it can be elastically locked to the locking jaw 321 of the striker 320.
According to claim 1,
The operation button 410,
One end is elastically supported via a spring 411 to the first insertion hole 310a of the hardware 310 so as to protrude toward the inner circumferential surface of the window frame 10, and the other end is pressed by the operation button 410 The locking device for windows and doors is disposed so that the inclined protrusion 413 protrudes into the second insertion hole 310b communicating in a horizontal direction perpendicular to the first insertion hole 310a.
According to claim 3,
The interlocking pin 420,
The insertion hole 421 into which the inclined protrusion 413 is inserted is at one end 420a so as to contact and interlock with the inclined surface 413a of the inclined protrusion 413 protruding into the second insertion hole 310b. , and the other end 420b is within the casing 103 of the main body 100 so that it can be engaged and fixed in the rear locking groove 431 of the color display member 430 when the operation button 410 is released. A locking device for windows that is elastically supported via a spring 423.
According to claim 4,
The color display member 430,
It is coupled to be reciprocating left and right in the body part 100, but is coupled to be elastically supported to one side via a spring 433, and whether or not the locking part 300 is locked is recognized through the display window 111 on the surface. A locking device for windows and doors that is provided with identification plates 435 marked with different colors on the left and right sides so as to be able to do so.
According to claim 4,
The rotation cam 440,
It is integrally coupled to the driving shaft 201, and the other end of the interlocking pin 420 on the outer circumferential surface is rotated so that the other end of the interlocking pin 420 can be locked in the locking groove 431 of the color display member 430. The color display member 430 A locking device for windows and doors that is provided with; a pressing protrusion 441 for pushing and moving the step 437 to the other side.
According to claim 1 or 6,
On one side of the body portion 100,
When the operation knob 510, which is slidably coupled up and down along the guide rail 113, is operated to lift, the upper end of the operation knob 510 is caught and fixed to the step groove portion 443 of the rotation cam 440, and the handle portion A locking device for windows and doors further comprising a secondary locking unit 500 that blocks the rotation operation of 200.

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