KR200216751Y1 - Door lock - Google Patents

Abstract

The present invention relates to the improvement of the structure of the locking device to lock the door from the inside, and relates to a door lock device that is easy to switch the locking and unlocking of the lock and perfect the security in the locking position.

The front plate (2) provided with the folding open door (12) in the confined compartment (22) and the slider (7) seated on the slider seat (32b) in the front plate (2) are turned up and down. The locking lever 4 and the locking latch 4 are fastened and locked by the upper and lower jaws 4a and 4b being pushed by the rotation lever 8 and the locking projection 8c at the tip of the rotation lever 8. In the structure consisting of the hanger 3 formed integrally with the opening guide 23 for opening the door 13 and the opening door 12, the fittings provided on both ends of the slider 7 (7a) (7b) and the rear end portions 15 and 16 which protrude inwardly with the rear ends facing each other through the upper and lower square holes 5a and 6a of the front plate 2, respectively, the slider 7 Rotating on the front and rear shaft grooves (2a) and (2b) of the front end (2) and the locking depressor (5) and the depressor depressor (6) to be fitted to the fitting grooves (7a) and (7b) at both ends. Of the locking rod 21 for locking the lever 8 and the buttons 41 protruding on both sides. The stones takes place ohmeura or control spring 31 having a smaller section and is characterized in that the elastically configured to lock port 10 is installed within the head 11.

Description

Door lock

The present invention relates to the improvement of the structure of the utility model registration application No. 97-13808 (hereinafter referred to as "preliminary application draft"), which the applicant has previously filed, and in particular, it is easy to control the locking and unlocking of the clamp and secured at the locking position. To a more complete door lock.

The entrance door of a general house or apartment is usually a hinged door, and in addition to a lock that is locked out by a key from the outside, a separate locking device that can be locked inside the door for security and security is attached.

The door lock device having such a purpose is a lever type that allows the locking lever to be retracted and released by the lever movement of the rotation lever.

These lever-type door locks are small inlets provided in the door gap or the lower part of the door, and can not be removed by inserting abnormal tools such as long sticks or twisted wires. .

Therefore, although the opening limiting device is installed separately from the locking device, it is inconvenient to attach to the door and the appearance is complicated.

The draft application is to solve the problem of the conventional door lock device, to ensure the security of the clasp secure the slider to advance the clasp in order to facilitate the convenience of locking and unlocking the locking button and the locking button To improve the structure of the button operation, the opening limiting device is configured to be integrally installed on the front plate of the locking device to reduce the burden of the installation cost.

Such a draft application is not easy to operate the locking and unlocking button for advancing the lock of the locking device, and it is difficult to check the locking and unlocking state with the naked eye as it is returned by the spring as soon as you release the locking and unlocking button. There was inconvenience in use which had to be checked by hand.

It is an object of the present invention to provide a door lock device that facilitates the operation of the clasp and secures the security, and enables the user to check the ruled and unlocked state even with the naked eye.

In order to achieve the above object, the door lock device according to the present invention performs the lifting operation of the slider to induce the locking and unlocking of the clamp by the pressing operation of the locking and unlocking pusher, which is inverted from the upper and lower sides. In this case, the lock is moved forward while the button is pressed and the button is released.

The above is the main feature of the present invention, and the intended purpose is achieved as originally intended by such a configuration.

1 is a perspective view of the door lock according to the present invention.

2 is an exploded perspective view of the clasp drive unit.

3 (a) (b) is a front view showing when the lock is in the forward and backward positions with the cover plate removed.

FIG. 4 (a) (b) is a front view showing when the clasp is in the unlocked and locked position with a part of the cover plate cut away; FIG.

Figure 5 (a) (b) is a cross-sectional view showing the state of use of the dog problem.

* Explanation of symbols for main parts of the drawings

2: Front plate 2a, 2b: Shaft groove

3: hanger 4: clasp

5: jeongjeong pressing sphere 6: jeongjeong pressing sphere

5a, 6a: square hole 7: slider

7a, 7b: fitting groove 8: pivoting lever

10: fastener 11: tofu

21: lock rod 31: control spring

41: button

In FIG. 1, an open door 12 is installed in the restriction chamber 22 outside the front plate 2 of the locking device 1, and the open door 12 is connected to the left fixed end of the figure and its opening. The hinge shaft is inserted into the side restriction chamber 22, and the bottom is elastically supported and installed in a folding manner.

In addition, the left hanger 3 is formed by integrally forming a known hanger 13 and the open guide 23 for the open-ended problem.

In FIG. 2, the driving portion of the clamp 4, which pushes the latch 4 and engages or unlocks, comprises the latch 5, the unlock 6, the slider 7 and the pivot lever 8. .

The ruler presser 5 and the staggerer presser 6 respectively install their rear end portions 15 and 16 in the fitting grooves 7a and 7b at both ends of the slider 7 so that they are installed outwardly. 7) will be pushed up or down.

When the slider 7 selectively presses the locking pusher 5 and the unlocking pusher 6, the slider 7 moves horizontally by the amount of their movement, thereby levering the pivoting lever 8, and the fitting grooves 7a of both ends ( 7b) In the center, the pin 17 for dynamically connecting the pivoting lever 8 is raised.

The rotation lever 8 is driven by the slider 7 and serves to move the clamping lever 4 up and down substantially.

The pivoting lever 8 has a long hole 8b inserted into the pin 17 in the first half with the shaft 8a as the center, and the upper end 4a and the lower jaw 4b of the rear end of the clamp 4 at the front end thereof. It forms a locking projection (8c) to be selectively caught, the rear end of the torsion spring (9) to keep a sense of stability after the rapid movement in the direction when the rotation lever (8) is switched to the locking position or unlocking position The hook groove 8d is formed.

In FIG. 3, the lock opening 10 of the rotation lever 8 is loosely inserted into the front and rear shaft grooves 2a and 2b formed on the front plate 2 on the rear end side of the rotation lever 8 within a limited range. The lock 10 is moved forward in the axial direction and locked, and reversed when the lock is released.

FIG. 3 (a) shows the state where the locking lever 8 is locked by advancing the locking mechanism 10 in the axial direction, and FIG. 3 (b) shows the locking lever 10 being reversed by the backward locking mechanism 10. The state is released.

The locking device 10 is the head 11 and the normal locking rod 21 is connected to each other by fitting, the concave inner surface of the head 11 is a protrusion of both ends bent outward to the locking rod 21 side Insert the elliptical control spring 31 facing toward the end to push the button 41 protruding on both sides, so that the protrusions are retracted or opened.

In FIG. 4, the boss (not shown) and the catch 4 which loosen the shaft 8a of the pivoting lever 8 in place on the inner surface 32 opposite the front plate 2 of the locking device 1 are provided. A slider seat 32b is provided so as to be parallel to the direction in which the locking seat 32a and the lock 4 move.

The clamp 4 is seated on the clamping seat 32a, the slide 7 is seated on the slider seat 32b, and the pivoting lever 8 fixes the shaft 8a to the boss and rests thereon.

At this time, the pivoting lever 8 sits on the slider 7 while the locking projection 8c is positioned between the upper jaw 4a and the lower jaw 4b of the clamp 4, and the pin hole 8b has a slider. The pin 17 of (7) is fitted.

And, the lower square hole (5a) of the front arm (2), the ruler pressing hole (5), and the upper square hole (6a) is provided with a locking presser (6).

The ruler presser (5) and the locker presser (6) and the rear end portions (15) and (16) of the ruler and the locker presser (5) (6) through the square hole (5a) (6a) in the installation process Insert them so as to face each other, and connect the rear ends 15 and 16 protruding inward on the fitting grooves 7a and 7b at both ends of the slider 7, respectively.

Finally, cover the cover plate 32 on the convex part of the front plate (2) and fix it by screwing the edge.

In the locking device 1 configured as described above, the present invention is a component of the elected draft, i.e., a slider 7 for driving an open door 12, a hanger 3, and a clamp 4 and a clamp 4; And the rotating lever 8 is used as it is.

Therefore, the present invention is connected to both ends of the slider (7) in the axial direction so as to lock or unlock the locking / unlocking pusher (5) (6) and the rotation lever (8) installed to move the slider (7) up and down. There is a feature in the configuration of the locking mechanism 10 provided.

In the figure, reference numeral 20 denotes an entrance door, 30 denotes a rim, and 40 denotes a doorpost.

Next, the process of using the door lock according to the present invention will be described.

FIG. 4 (a) shows the unlocked state of the catch 4, and in this state, pressing the latching pusher 5 exerts an upward pressure on the slider 7, thereby raising the slider 7. As shown in FIG.

At this time, as the pin 7c hangs on the upper surface of the pin hole 8b of the pivoting lever 8, the pivoting lever 8 pivots clockwise about the shaft 8a, and the upper jaw ( Since 4a) is caught by the upper surface of the locking projection 8c, the clamp 4 is determined as shown in FIG. 4 (b).

The torsion spring 8 is pushed in the direction toward the rear end of the rotation lever 8 when the rear end of the pivot lever 8 passes through the center of the shaft 8a. The slider 7 and the catch 4 are urgently moved in the ruled direction and remain at that position. 4 (b) shows the locking state of the catch 4, and in this state, pressing the unlocking pusher 6 as shown in FIG. 4 (a), this time, the lowering pressure is applied to the slider 7 as the slider ( 7) descends.

In this process, as the pin 7c hangs on the lower surface of the pin hole 8b, the pivoting lever 8 turns counterclockwise about the axis 8a, and the lower jaw 4b of the clamp 4 is caught. The catch 4 is unlocked by being caught by the bottom of the machine 8c as shown in FIG. 4 (a).

At this time, the torsion spring 9 is pushed in the direction toward which the rear end of the pivoting lever 8 faces when the rear end of the pivoting lever 8 passes through the center of the shaft 8a. 7) and the catch (4) hastily moved in the freezing direction to stay.

On the other hand, while pressing the button 41 protruding to both sides of the head 11 of the locking device 10 in the locking state of the locking device 4, as shown in Fig. 3 (b), both ends of the control spring 31 are raised. When the head 11 is pushed in, the locking rod 21 of the tip is advanced so that the pivoting lever 8 cannot be moved freely and thus is more secure.

After locking the pivoting lever 8 to move forward with the lock rod 21, release the button 41. Immediately after release, both buttons 41 are returned by the elasticity of the control spring 31. In response to the return of the control spring 31, both protrusions are opened and caught on the inner surface of the shaft groove 2b, so that the reverse operation is impossible without the button 41 being manipulated.

The locking state of the locking tool 10 is shown well in FIG. 3 (a).

Then, when releasing the locking state of the rotation lever 8, by pressing the button 41, both ends of the control spring 31 are released from the inner surface of the shaft groove 2b, and then retracted and released from the button 41. .

FIG. 5 is a view showing the state of use of the open door 12 to restrict the opening angle of the door 20. When the open door 12 is placed toward the door holder 40 as shown in FIG. 5 (a). Through the opening 12a of the rail of the opening problem 12, the pin 33 of the tip of the opening problem opening 23 of the locking stand 3 enters.

In this state, as shown in FIG. 5 (b), when the door 20 is pulled from the outside, the rail of the open door 12 is guided to the pin 33 and slides, and is controlled at the rear end so that it cannot be opened anymore.

The door locking device according to the present invention is to allow the locking and unlocking by selective pressing of the locking and unlocking pusher that protrudes to one side of the upper and lower sides, and the locking and unlocking operation is easy as well as the naked eye. The lock lever can be locked by pushing the button on the head and pressing the button on the inside, but the lock lever can not be operated from the outside, so improved security such as high security security is expected. It is a very useful design.

Claims (1)

Rotating pivoting up and down by the front plate (2) having the folding dog problem trunk (12) installed in the limited compartment 22 and the slider (7) being raised and lowered by the slider seat (32b) in the front plate (2) A locking mechanism 4 to which the upper and lower jaws 4a and 4b are pushed against the lever 8 and the locking projection 8c at the tip of the rotation lever 8, and the locking mechanism 4 is locked. (13) and the locking grooves 3 formed integrally with the guide opening 23 for limiting the number of times for the opening problem 12, the fitting grooves provided at both ends of the slider (7) ( 7a) (7b); The rear ends of the front plates 2 and 5a and 6a of the front plate 2 are fitted to face each other, and the rear ends 15 and 16 which protrude inwardly are fitted into the grooves 7a and the both ends of the slider 7, respectively. 7b) hooking pusher (5) and the locking presser (6) connected to the fitting type; A control spring having a front and rear shaft groove (2a) (2b) of the front plate (2) and a locking spring (21) for locking the pivoting lever (8) and a protrusion that is squeezed or opened by the operation of the button 41 protruding to both sides Door lock device, characterized in that consisting of a lock (10) elastically installed in the head (11).