KR100854298B1 - Door lock device - Google Patents

Abstract

The present invention, the outer handle for pulling the door from the outside to open the door; An inner handle that pushes the door from the inside to open the door; A moving lock moving to open the door by a force transmitted to the outer handle and the inner handle; A moving lock releasing unit for releasing the locking of the door by the moving lock; A deadlock for preventing the door from opening even when a force is applied to the outer handle; A lock casing accommodating the moving lock and the dead lock; A deadlock releasing unit which moves the deadlock to release the door lock by the deadlock; And an outer casing and an inner casing to accommodate the outer handle and the inner handle, respectively. In the door lock device comprising a, the deadlock release unit is coupled to the lock casing, the rotation shaft to move the deadlock by rotation to change the door to a locked state or unlocked state, and when applying a force to the inner handle It provides a door lock device characterized in that it comprises an interlock means for rotating the rotary shaft to unlock the door by the deadlock.

door lock

Description

Door Lock Device {Door-Lock Apparatus}

1 is a view for explaining an example of a conventional door lock device.

2 is a view for explaining another example of a conventional door lock device.

Figure 3 is an exploded perspective view of the door lock device according to an embodiment of the present invention.

4 to 7 are views for explaining the deadlock release unit of the present invention.

8 to 10 are views for explaining the moving lock release unit of the present invention.

** Explanation of symbols for the main parts of the drawing **

10: outer handle 11: outer casing

20: inner handle 21: inner casing

30: rock casing 31: moving lock

32: Deadlock 40: Deadlock Release Unit

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The present invention relates to a door lock device, and more particularly, in a door lock device that can open a door by applying a force in the same direction as the door opening direction, wherein a force is applied to the inner handle without operating a separate deadlock release lever. It is related with the door lock apparatus which can open and close a door only.

Conventionally, a door lock device employing a lever-shaped inner handle is used as shown in FIG. 1. In the case of the door lock device of this type, the inner handle 1 was rotated to move the moving lock 2 of the door D to unlock the door D.

In the case of the door lock device of this type, in order to release the locking state of the moving lock 2, an additional force must be applied in the direction in which the door D is opened in the state in which the door is opened and in the vertical direction. It caused inconvenience in use.

In order to solve this problem, the applicant of the present application has developed a so-called "push and pull type" door lock device in which the moving lock is released when a force is applied in the direction in which the door is opened, and is disclosed in Korean Utility Model Model No. 338996.

Figure 2 is a cross-sectional view showing the structure of the Republic of Korea Utility Model Utility No. 338996. In the case of the door lock device illustrated in FIG. 2, the moving lock 5 is released and the door D is opened by applying a force in a direction in which the door D is opened to the inner handle 3 and the outer handle 4.

However, even in the case of the door lock device shown in FIG. 2, in order to release the deadlock 6 from the indoor to the outdoor, it was necessary to rotate the rotary shaft 8 interlocking with the lever 7 by rotating the lever 7 from the inside. . That is, it was possible to go from the indoor to the outdoor only through two steps of rotating the lever 7 and pushing the inner handle 3, so that the process of opening the door D when going out had a very troublesome problem.

In particular, it is important to open the door D and escape from the room as soon as possible in an emergency, such as a fire in the room, so there is a need for a door lock device that can open the door D by a simple operation. very big.

In addition, older people may not recognize the locked state of the door D by the deadlock 6, and may operate only the inner handle 3 to open the door D. In this case, the door D ) Is not open, so you may have trouble asking the guard for help.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a door lock device capable of simultaneously releasing a locked state by a moving lock and a dead lock only by pushing the inner handle in a direction in which the door is opened.

In order to achieve the above object, the present invention,

An outer handle that pulls the door from the outside to open the door; An inner handle that pushes the door from the inside to open the door; A moving lock moving to open the door by a force transmitted to the outer handle and the inner handle; A moving lock releasing unit for releasing the locking of the door by the moving lock; A deadlock for preventing the door from opening even when a force is applied to the outer handle; A lock casing accommodating the moving lock and the dead lock; A deadlock releasing unit which moves the deadlock to release the door lock by the deadlock; And an outer casing and an inner casing to accommodate the outer handle and the inner handle, respectively. In the door lock device comprising a,

The deadlock release unit,

A rotating shaft coupled to the lock casing and moving the deadlock by rotation to change the door into a locked state or an unlocked state;

When applying a force to the inner handle provides a door lock device characterized in that it comprises an interlocking means for rotating the rotary shaft to release the lock of the door by the deadlock.

The interlocking means,

A push piece provided in the inner handle to linearly move in the same direction as the inner handle when pushing the inner handle;

It is preferable to include a rotation conversion mechanism for converting the linear motion of the push section into the rotational motion of the rotary shaft.

The rotation conversion mechanism,

A tapered portion, and a rotational piece that is rotatably coupled to the inner casing,

It includes a cam coupled to the rotary shaft impossible to rotate,

When the push piece is moved, the push piece pushes the tapered portion, so that the rotation piece rotates in one direction, and the rotation piece rotates in the one direction, thereby rotating the cam.

The moving lock releasing unit provided in the inner casing is

A rod bar provided on the inner handle;

One side thereof is rotatably coupled to the inner casing, and includes a rod having a pressing surface pressed by the rod bar,

Since the rod bar and the pressing surface are spaced apart from each other by the door in a closed state, when the inner handle is pushed, the inner handle and the rod move together by a predetermined distance, and thus the inner handle and the rod move together. It is preferable that the door lock is released.

Hereinafter, with reference to the drawings will be described in detail the configuration of an embodiment of the present invention.

Figure 3 is an exploded perspective view of the door lock device according to an embodiment of the present invention, Figures 4 to 7 are views for explaining the deadlock release unit of the present invention, Figures 8 to 10 illustrate the moving lock release unit of the present invention. It is a figure for following.

The door lock device according to the present embodiment is the outer handle 10, the outer casing 11, the inner handle 20, the inner casing 21, the lock casing 30, the moving lock 31, deadlock 32, deadlock Release unit 40, including a moving lock release unit.

The outer handle 10 is a handle for opening the door D by pulling the door D from the outside, and is installed in the outer casing 11. In general, since the door (D), which is a fire door used in an apartment, is opened in the direction of pulling in the outer direction and the direction of pushing in the inner side, the outer handle 10 is a moving lock (31) when applying a force in the direction of pulling the door (D) Will be released.

The outer casing 11 may be provided with a password input means, fingerprint recognition means, a key box for releasing the deadlock 32, etc., in addition to the outer handle 10, such a configuration is used in a general door lock device Further description will be omitted.

The inner handle 20 is a handle that opens the door D by pulling the door D from the inside, and is installed in the inner casing 21.

The moving lock 31 is a means for moving to open the door D by the force transmitted to the outer handle 10 and the inner handle 20, the locking of the door by the moving lock release unit. The state is released.

The deadlock 32 is a means for preventing the door D from opening even when a force is applied to the outer handle 10, and the deadlock 32 is released by the deadlock release means 40.

The moving lock 31 and the dead lock 32 are accommodated in the lock casing 30.

The deadlock release means 40 has a rotary shaft 41 and the interlocking means.

The rotary shaft 41 is fitted to the lock casing and moves the dead lock 32 by rotation to change the door (D) to the locked state or unlocked state.

The linkage means is configured to rotate the rotary shaft 41 when a force is applied to the inner handle 20, and includes a push piece 42 and a rotation conversion mechanism.

The push piece 42 is provided on the inner handle 20 and is a member having a rectangular cross section as a member that linearly moves in the same direction as the inner handle 20 when the inner handle 20 is pushed.

The rotation conversion mechanism is configured to convert the linear motion of the push piece 42 into the rotational motion of the rotation shaft 41, and includes a rotation piece 43 and a cam 44.

Rotating piece 43 is rotatably coupled to the inner casing 21, the tapered portion 431 is formed. The tapered portion 431 is provided in the form of a through hole in the rotation piece (43).

The cam 44 is coupled to the rotary shaft 41 so that relative rotation is impossible.

On the other hand, the rotary shaft 41 is basically rotated by the motor 45 and the gear 46 when a password or fingerprint stored in advance in the password input means, fingerprint input means, etc. provided in the outer casing 11, It is also possible to force the key into the key box of the outer casing (11).

The moving lock releasing unit is provided on the outer handle 10 and the inner handle 20, the detailed configuration is disclosed in the Republic of Korea Utility Model No. 338996, only the moving provided on the inner handle 20 of the present invention There is a difference between the lock release unit and the moving lock release unit disclosed in the registration utility model, which will be described below.

The moving lock release unit includes a rod bar 52 and a rod 51 provided on the inner handle 20.

The rod 51 is rotatably coupled to the inner casing 21 and an end thereof is fitted to the lock casing 30 to release the locking lock 31 by the movement of the rod 51. .

The rod 51 is provided with a pressing surface 511 pressurized by the rod bar 51. In the state in which the door D is closed, as shown in FIG. 8, the rod bar 52 and the pressing surface ( 511 is spaced a certain distance apart.

Hereinafter, the functions, operations and effects of the above-described embodiment will be described.

As described above, in order to enter the indoor from the outdoor, first, the lock state of the door D by the deadlock 32 must be released. For this purpose, the password input device provided in the inner casing 21 and the fingerprint input device are stored in advance. Enter your password or fingerprint. When the stored password or fingerprint is input, the motor 45 is rotated by the controller (not shown), and the gear 46 engaged with the output shaft of the motor 45 rotates together to rotate the rotary shaft 41. It is also possible to forcibly rotate the rotary shaft 41 in conjunction with the key box to the key box. When the lock state of the deadlock 32 is rotated, the outer handle 10 is pulled out to release the lock by the moving lock 31.

In order to go from the indoor to the outdoor, simply push the inner handle 20 to unlock the deadlock 32 and the moving lock 31, which will be described below with reference to FIGS.

4 and 5 show the state before the inner handle 20 is pushed. As shown in FIG. 5, the edge part of the push piece 42 is in contact with the edge part of the push piece 42 side of the taper part 431. As shown in FIG.

When the inner handle 20 is pushed in the state shown in FIGS. 4 and 5, the push piece 42 moves together with the inner handle 20 as shown in FIG. 7, and the push piece 42 is moved. The taper portion 431 provided on the rotating piece 43 is pressed.

When the tapered portion 431 is pressed while the push piece 42 moves, the rotation piece 43 rotates as shown in FIG. 6 by the force, and the cam piece 44 rotates while the rotation piece 43 rotates. Rotate to rotate the rotary shaft 41 coupled to the cam 44 and the relative rotation is impossible to release the locked state by the deadlock (32).

When the locking state of the deadlock 32 and the moving lock 31 is simultaneously performed when the inner handle 20 is pushed, the locking state of the moving lock 31 may be released before the deadlock 32 is locked. Since the door may not be opened even if it is pushed, it may cause inconvenience to the user. Thus, the mechanism of releasing the locked state of the deadlock 32 is included in the present embodiment, referring to FIGS. 8 to 10. This will be described.

The moving lock 31 is released by moving the rod 51 coupled to the lock casing 30, the lock state is released, the rod 51 is also moved together when pushing the inner handle (20).

However, in the state in which the door D is closed, as shown in FIG. 8, since the pressing surface 511 and the rod bar 52 of the rod 51 are spaced apart from each other by a predetermined distance, the inner handle 20 may be removed. When pushed by a predetermined distance, as shown in FIG. 9, the rod bar 52 comes into contact with the pressing surface 511. Therefore, until the rod bar 52 moves from the first position shown in FIG. 8 to the second position shown in FIG. 9, only the push piece 42 moves in the state in which the rod 51 does not move, thereby rotating the shaft 41. The deadlock 32 is released by rotating.

After the deadlock 32 is completely released, the rod 51 moves from the second position shown in FIG. 9 to the third position shown in FIG. 10 so that the rod 51 releases the moving lock 31. do.

Although the above has been described with respect to the embodiment including the rotational section and the cam as a rotation conversion mechanism, various configurations that can be converted to the linear motion of the push section to the rotational motion of the rotary shaft can be employed, even when taking such a configuration It is included in the technical idea of the present invention.

In the above description, but the embodiment in which the push section and the rotation conversion mechanism is adopted as the interlocking means, various configurations can be employed to release the deadlock by rotating the rotary shaft using the force applied to the inner door, Such modifications do not depart from the spirit of the present invention.

Although the preferred embodiments of the present invention have been described above, the technical idea of the present invention is not limited to the described embodiments, and may be implemented as various types of door lock devices without departing from the technical idea of the present invention. have.

According to the present invention as described above, by providing a door lock device capable of simultaneously releasing the locked state by the moving lock and dead lock simply by pushing the inner handle in the direction in which the door is opened to enable the door to be opened and closed by simple operation. It can be effective.

Claims (4)

An outer handle that pulls the door from the outside to open the door; An inner handle that pushes the door from the inside to open the door; A moving lock moving to open the door by a force transmitted to the outer handle and the inner handle; A moving lock releasing unit for releasing the locking of the door by the moving lock; A deadlock for preventing the door from opening even when a force is applied to the outer handle; A lock casing accommodating the moving lock and the dead lock; A deadlock releasing unit which moves the deadlock to release the door lock by the deadlock; And an outer casing and an inner casing to accommodate the outer handle and the inner handle, respectively. In the door lock device comprising a, The deadlock release unit, A rotating shaft coupled to the lock casing and moving the deadlock by rotation to change the door into a locked state or an unlocked state; When the force is applied to the inner handle door lock device characterized in that it comprises an interlock means for releasing the lock by the deadlock by rotating the rotary shaft. The method of claim 1, The interlocking means, A push piece provided in the inner handle to linearly move in the same direction as the inner handle when pushing the inner handle; And a rotation conversion mechanism for converting the linear motion of the push piece into the rotational motion of the rotary shaft. The method of claim 2, The rotation conversion mechanism, A tapered portion, and a rotational piece that is rotatably coupled to the inner casing, A cam coupled to the rotary shaft such that relative rotation is impossible; The push piece pushes the tapered portion during the movement of the push piece, so that the rotation piece rotates in one direction, and the rotation piece rotates the cam while rotating the cam in one direction. The method of claim 1, The moving lock releasing unit provided in the inner casing is A rod bar provided on the inner handle; One side thereof is rotatably coupled to the inner casing, and includes a rod having a pressing surface pressed by the rod bar, Since the rod bar and the pressing surface are spaced apart from each other by the door in a closed state, when the inner handle is pushed, the inner handle and the rod move together by a predetermined distance, and thus the inner handle and the rod move together. The door lock device, characterized in that the door lock is released.

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