KR102450932B1 - Door lock apparatus without handling for rotation of door knob - Google Patents

Abstract

The present invention relates to a door lock device that does not require a handle rotation operation, and it is possible to open a door without rotation operation of the door handle, so that children, the elderly, the disabled, etc. can open the door without special difficulties.

Description

Door lock apparatus without handling for rotation of door knob

The present invention relates to a door lock technology, and more particularly, to a door lock device that does not require a handle rotation operation.

The door lock device is a device that is mounted on a door and locks the door to the door frame or unlocks the door from the locked state according to a user operation. Such a door lock device is largely divided into a mechanical door lock device, an electronic door lock device, and a manual/automatic combined door lock device.

The mechanical door lock device is provided with a rotary handle on each of the inner and outer sides of the door, and the user opens the door by pushing or pulling the door in a state in which the user holds the handle and rotates the handle to release the door lock.

The electronic door lock device opens the door by pushing or pulling the door in a state in which the door lock is automatically released after security authentication using a password input method, fingerprint recognition method, RF method, etc. in order to improve security reliability and increase usability.

The manual/automatic combination door lock device is implemented so that the opening of the door by manual and electric force is parallel as suggested in Korean Patent Application Laid-Open No. 10-2009-0102979 (October 1, 2009).

However, it is difficult for children, the elderly, and the disabled to open the door because it is not easy to rotate the door handle. Therefore, the present inventors researched a door lock technology that allows children, the elderly, the disabled, and the like to open the door without any special difficulties.

Republic of Korea Patent Publication No. 10-2009-0102979 (2009.10.01)

An object of the present invention is to provide a door lock device that does not require a handle rotation operation, which can open a door without rotating the door handle, so that children, the elderly, the disabled, etc. can open the door without special difficulties.

According to one aspect of the present invention for achieving the above object, a door lock device that does not require a handle rotation operation is inserted into a lock hole formed in a door frame in a closed state and a latch (latch) caught; a lock unit locking the latch so as not to rotate the latch, and releasing the latch lock when the latch is pushed back; an outer driving unit coupled to the outer handle, and pushing the locking unit backward while being pushed together when the user pushes the outer handle from the outside to release the latch lock; It is coupled to the inner handle, and when the user pulls the inner handle from the inside, it pulls the outer drive unit and the lock unit is pushed back by the outer drive unit to release the latch lock.

According to an additional aspect of the present invention, the latch lock is released by preventing the locking unit from being pushed back by the outer driving unit by limiting the distance that the outer driving unit is pushed even if the user pushes the outer handle in the door lock device that does not require the handle rotation operation. It further includes a lock switch to prevent it from happening.

According to a further aspect of the present invention, the lock switch comprises: an operation switch that a user manually presses inside; a lock switch body coupled to one end of the operation switch and pushed back when the operation switch is pressed; It is coupled to protrude from one end of the lock switch body, and includes a movement distance limiting part configured to prevent the locking part from being pushed back by fixing the inner driving part while being pushed together with the locking switch body to limit the distance at which the outer driving part is pushed.

According to an additional aspect of the present invention, the outer drive unit body and the outer drive unit one end is coupled to the outer handle; a spring installed between the other end of the outer driving unit body and the inner driving unit to provide a restoring force when the outer driving unit is pushed by the outer handle; It is formed to protrude from the side of the outer driving unit main body, and includes an inclined portion formed on a part of the bottom surface thereof so that when the outer driver main body is pushed, the locking portion is pushed back along the inclined portion to release the latch lock.

According to an additional aspect of the present invention, a latch fixing part for fixing the latch so that the locking part does not rotate the latch is formed at one end, and an inclination inducing part for guiding the lock body to be pushed back while being pushed along the inclined part of the unlocking part is at the other end. a lock body formed thereon; a latch shaft installation part installed on one end of the lock body, having a latch shaft installation groove formed at one end to rotate the latch, and a latch restoration spring installed at the other end to restore the latch pushed back to its original position when the door is opened and closed; a lock housing having the lock body seated therein, and guiding the lock body to be pushed back; and a lock body restoring spring installed between the other end of the lock body and the inside of the lock housing to restore the lock body pushed back to its original position.

According to an additional aspect of the present invention, the inner drive unit comprises: an inner drive unit body, one end of which is coupled to the inner handle; It is formed so as to be caught by the outer drive at the other end of the inner drive body, and includes an outer drive traction part that pulls the outer drive part when the user pulls the inner handle from the inside.

According to an additional aspect of the present invention, the inner driving unit is formed to protrude from the side of the inner driving unit main body, and further includes a flow preventing unit for preventing the inner driving unit body from moving by seating a movement distance limiting unit that prevents the locking unit from being pushed back.

According to the present invention, since the door can be opened without rotating the door handle, children, the elderly, the disabled, etc. can open the door without special difficulties, thereby improving user convenience.

1 is an exploded perspective view showing the configuration of an embodiment of a door lock device that does not require a handle rotation operation according to the present invention.
Figure 2 is an exploded perspective view showing the configuration of an embodiment of the locking unit of the door lock device does not require a handle rotation operation according to the present invention.
3 is a perspective view illustrating a state in which an outer driving unit and an inner driving unit are coupled to the locking part of the door lock device that does not require a handle rotation operation according to the present invention.
Figure 4 is a side view showing the coupling relationship of the outer drive unit and the inner drive unit of the door lock device does not require a handle rotation operation according to the present invention.
5 is an exploded perspective view showing the coupling relationship of the outer drive unit and the inner drive unit of the door lock device that does not require a handle rotation operation according to the present invention.

Hereinafter, the present invention will be described in detail so that those skilled in the art can easily understand and reproduce it through preferred embodiments described with reference to the accompanying drawings. While specific embodiments are illustrated in the drawings and the related detailed description is set forth, they are not intended to limit the various embodiments of the present invention to specific forms.

In the description of the present invention, if it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the embodiments of the present invention, the detailed description thereof will be omitted.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be

On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

1 is an exploded perspective view showing the configuration of an embodiment of a door lock device that does not require a handle rotation operation according to the present invention. As shown in Figure 1, the door lock device 100 does not require a handle rotation operation according to this embodiment is a latch (latch) 110, a lock unit 120, an outer drive unit 130, and an inner drive unit (140).

The latch 110 is inserted and caught in a lock hole (not shown) formed in the door frame (not shown) in a state in which the door (not shown) is closed, so that the door is locked unless an external force acts on the door. Do not open it.

At this time, the latch 110 may be implemented so that the inner surface is not rounded and the outer surface is rounded so that the non-rounded inner surface can counteract the external force outside the door.

The locking unit 120 is locked by fixing the latch so that the latch 110 is not rotated, but when the latch 110 is pushed back, the latch is released and the lock of the latch 110 is released. Figure 2 is an exploded perspective view showing the configuration of an embodiment of the locking unit of the door lock device does not require a handle rotation operation according to the present invention.

As shown in FIG. 2 , the locking part 120 may include a locking part body 121 , a latch shaft tongue part 122 , a locking part housing 123 , and a locking part body restoring spring 124 . have.

The lock body 121 has a latch fixing part 121a that fixes the latch so that the latch 110 is not rotated at one end, and is pushed along the inclined part 133a of the lock release part 133 while being pushed along the lock body. (121) is formed at the other end of the inclination guide portion (121b) for inducing to be pushed back.

The latch shaft axial part 122 is installed at one end of the lock body 121, and a latch shaft axial groove 122a for rotating the latch 110 is formed at one end, and a latch 110 that is pushed back when the door is opened and closed. A latch restoration spring 122b for restoring it to its original position is installed at the other end. Unexplained reference numeral 122c denotes a rotation shaft for axially installing a latch.

The lock housing 123 guides the lock body 121 to be pushed back while the lock body 121 is seated therein. For example, the lock housing 123 includes a lock housing body 123a in which the lock body 121 is seated and guides, and a lock housing lid coupled to the upper portion of the lock housing body 123a to protect the inside. (123b) may be included.

The lock body restoring spring 124 is installed between the other end of the lock body 121 and the inside of the lock housing 123 to restore the lock body 121 pushed back to its original position.

When the user pushes the outer handle 200 or pulls the inner handle 300 to open the door, the outer driving unit 130 is pushed and the inclined portion 133a of the unlocking unit 133 of the outer driving unit 130 is opened. It moves along the inclination guide part 121b of the lock body 121 to push the lock body 121 back.

When the lock body 121 is pushed back, the latch 110 is rotated while the latch fixing part 121a that has been fixing the fixing protrusion 111 of the latch is separated from the fixing protrusion 111 so that the latch 110 is not rotated. When the latch 110 is rotated by the user pushing the outer handle 200 or pulling the inner handle 300, the latch 110 is separated from the lock hole formed in the door frame, is opened

When the door is opened, the latch 110 is returned to the state before rotation by the latch restoration spring (not shown), and the lock body is installed between the other end of the lock body 121 and the inside of the lock housing 123 . The latch fixing part 121a is fixed to the fixing protrusion 111 so that the latch 110 does not rotate while the locking body 121 is restored to its original position by the restoring spring 124 .

The outer driving unit 130 is coupled to the outer handle 200 , and when the user pushes the outer handle from the outside, the lock unit 120 is pushed back to release the lock of the latch 110 while being pushed together.

3 is a perspective view illustrating a state in which an outer driving unit and an inner driving unit are coupled to the locking part of the door lock device that does not require a handle rotation operation according to the present invention. It is a side view showing the coupling relationship of the driving part and the inner driving part.

On the other hand, Figure 5 is an exploded perspective view showing the coupling relationship of the outer drive unit and the inner drive unit of the door lock device that does not require a handle rotation operation according to the present invention. 3 to 5 , the outer driving unit 130 may include an outer driving unit body 131 , a spring 132 , and a lock release unit 133 .

One end of the outer driving unit body 131 is coupled to the outer handle 200 . At this time, one end of the outer driving unit main body 131 and the outer handle 200 may be connected and coupled through the outer connecting rod 210 , and may be protected by the outer cover 220 .

The spring 132 is installed between the other end of the outer driving unit main body 131 and the inner driving unit 140 , and provides a restoring force when the outer driving unit 130 is pushed by the outer handle 200 to restore the outer driving unit 130 to its original state. restore to position

The lock release unit 133 is formed to protrude from the side of the outer driving unit main body 131, and an inclined portion 133a is formed on a part of the bottom surface so that when the outer driving unit main body 131 is pushed, the locking unit ( 120 is pushed back so that the latch 110 lock is released.

The inner driving unit 140 is coupled with the inner handle 300, and when the user pulls the inner handle 300 from the inside, it pulls the outer driving unit 130 while pulling the locking unit 120 by the outer driving unit 130. is pushed back so that the latch 110 lock is released.

3 to 5 , the inner driving unit 140 includes an inner driving unit main body 141 and an outer driving unit traction unit 142 . Meanwhile, the inner driving unit 140 may further include a flow preventing unit 143 .

One end of the inner driving unit body 141 is coupled to the inner handle 300 . At this time, one end of the inner driving unit main body 141 and the inner handle 300 may be connected and coupled through the inner connecting rod 310 , and may be protected by the inner cover 320 .

The outer driving unit traction unit 142 is formed to be caught on the outer driving unit 140 at the other end of the inner driving unit main body 141, and pulls the outer driving unit 140 when the user pulls the inner handle 300 from the inside.

The flow preventing part 143 is formed to protrude from the side of the inner driving unit main body 141, and the movement distance limiting part 153 that prevents the locking unit 120 from being pushed back is seated so that the inner driving unit main body 141 does not move. make sure not to

The operation of opening the door through the operation of the outer handle 200 of the door lock device 100 that does not require the handle rotation operation according to the present invention having the above configuration will be described. First, when the user pushes the outer handle 200 by hand, the outer drive unit body 131 connected to the outer handle 200 is pushed, and the inclined portion 133a of the unlocking unit 133 moves to the locking unit body 121 . It moves along the inclination induction part 121b of the locking part body 121 and pushes it back.

When the lock body 121 is pushed back, the latch 110 is rotated while the latch fixing part 121a that has been fixing the fixing protrusion 111 of the latch is separated from the fixing protrusion 111 so that the latch 110 is not rotated. In this state, the latch 110 is rotated by the user pushing the outer handle 200 and the latch 110 is separated from the lock hole formed in the door frame, and the door is opened.

When the door is opened, the latch 110 is returned to the state before rotation by the latch restoring spring (not shown). Then, the outer driving unit body 131 is restored to its original position by the restoring force of the spring 132 installed between the other end of the outer driving unit main body 131 and the inner driving unit 140 .

In addition, the latch 110 is not rotated while the lock body 121 is restored to its original position by the lock body restoration spring 124 installed between the other end of the lock body 121 and the inside of the lock housing 123 . The latch fixing part 121a is fixed to the fixing protrusion 111 to prevent it from being fixed.

On the other hand, the operation of closing the door through the operation of the outer handle 200 of the door lock device 100 that does not require the handle rotation operation according to the present invention will be looked at. First, when the user pulls the outer handle 200 by hand, the outer drive unit body 131 connected to the outer handle 200 is dragged while the inner drive unit 140 is dragged together.

Then, the locking part housing 123 in which the outer driving part main body 131, the inner driving part main body 141, and the locking part main body 121 are mounted drags the locking part main body 121, and the locking part main body 121. The latch 110 is rotated while the latch fixing part 121a of the locking protrusion 111 is pushed out, and the latch 110 is rotated into the lock hole formed in the door frame as the rotated latch 110 is drawn along the door frame. is inserted and the door is closed.

When the door is closed, the latch 110 is returned to the state before rotation by the latch restoration spring (not shown), and the latch fixing part 121a is fixed to the fixing protrusion 111 so that the latch 110 is no longer rotated. it won't happen

On the other hand, the operation of opening the door through the operation of the inner handle 300 of the door lock device 100 that does not require a handle rotation operation according to the present invention will be examined. First, when the user pulls the inner handle 300 by hand, the inner drive unit body 141 connected to the inner handle 300 is dragged while the outer drive unit traction unit 142 pulls the outer drive unit 140 .

Then, as the outer driving unit main body 131 is pulled, the inclined portion 133a of the unlocking unit 133 moves along the inclination inducing portion 121b of the locking unit main body 121 to move the locking unit main body 121 backward. push out

When the lock body 121 is pushed back, the latch 110 is rotated while the latch fixing part 121a that has been fixing the fixing protrusion 111 of the latch is separated from the fixing protrusion 111 so that the latch 110 is not rotated. In this state, the latch 110 is separated from the lock hole formed in the door frame while the latch 110 is rotated by the force of the user pulling the inner handle 300 to open the door.

When the door is opened, the latch 110 is returned to the state before rotation by the latch restoring spring (not shown). In addition, the latch 110 is not rotated while the lock body 121 is restored to its original position by the lock body restoration spring 124 installed between the other end of the lock body 121 and the inside of the lock housing 123 . The latch fixing part 121a is fixed to the fixing protrusion 111 to prevent it from being fixed.

In addition, as the inclination part 133a of the unlocking part 133 is pushed along the inclination induction part 121b of the locking part body 121, the outer driving part main body 131 is pushed, and the pushed outer driving part main body 131 is the inner driving part. Push the body 141 to restore the original position.

On the other hand, the operation of closing the door through the operation of the inner handle 300 of the door lock device 100 that does not require the handle rotation operation according to the present invention will be looked at. First, when the user pushes the inner handle 300 by hand, the inner drive unit body 141 connected to the inner handle 300 is pushed.

Then, the locking part housing 123 in which the outer driving part main body 131, the inner driving part main body 141, and the locking part main body 121 are mounted pushes the locking part main body 121, and the locking part main body 121 The latch 110 is rotated while the latch fixing part 121a of the locking protrusion 111 is pushed out, and the latch 110 is rotated into the lock hole formed in the door frame as the rotated latch 110 is drawn along the door frame. is inserted and the door is closed.

When the door is closed, the latch 110 is returned to the state before rotation by the latch restoration spring (not shown), and the latch fixing part 121a is fixed to the fixing protrusion 111 so that the latch 110 is no longer rotated. it won't happen

In order to realize this, the present invention can open the door without rotating the door handle, so that children, the elderly, the disabled, etc. can open the door without special difficulties, thereby improving user convenience.

On the other hand, according to an additional aspect of the present invention, the door lock device 100 that does not require a handle rotation operation may further include a lock switch (150). The lock switch 150 limits the distance at which the outer driving unit 130 is pushed even when the user pushes the outer handle 200 from the outside, preventing the locking unit 120 from being pushed back by the outer driving unit 130, thereby preventing the latch 110 from being pushed back. ) to prevent unlocking.

For example, the lock switch 150 may include an operation switch 151 , a lock switch body 152 , and a movement distance limiter 153 . The operation switch 151 may be in the form of a push rod that a user can press inside by hand, but is not limited thereto. is pushed back when is pressed.

The movement distance limiter 153 is coupled to protrude from one end of the lock switch body 152 , and while being pushed together with the lock switch body 152 , the inner driving unit 140 is fixed, thereby limiting the distance at which the outer driving unit 130 is pushed. This prevents the locking part 120 from being pushed back.

At this time, one end of the movement distance limiting unit 153 is secured to the flow preventing unit 143 of the inner driving unit 140 to fix the inner driving unit 140 . On the other hand, the other end of the movement distance limiter 153 is caught by the locking part 120 to prevent the locking part 120 from being pushed back.

An operation of locking the door from the inside through the operation of the lock switch 150 of the door lock device 100 that does not require a handle rotation operation according to the present invention to prevent the door from being opened even when the outer handle is pushed from the outside will be described.

First, the user presses the operation switch 151 from the inside. Then, the lock switch body 152 is pushed back by the operation switch 151 and the movement distance limiting part 153 rolled together with the lock switch body 152 is formed to protrude from the side of the inner drive unit body 141 to prevent flow. It is seated on the part 143 so that the inner driving unit main body 141 does not move.

Then, even when the outer handle 200 is pushed from the outside, the movement distance is limited so as not to be pushed more than a certain distance by the spring 132 installed between the other end of the outer driving unit main body 131 and the inner driving unit 140, The door does not open even when pushed.

On the other hand, even if the operation switch 151 is pressed from the inside, if the inner handle 300 is pulled without a separate operation, the door is opened. In a state in which the operation switch 151 is pressed, the user pulls the inner handle 300 .

Then, the lock switch body ( 152 is pulled, and the operation switch 151 pressed therewith is pulled and released.

At the same time, the outer driving unit traction unit 142 pulls the outer driving unit main body 131 , and as the outer driving unit main body 131 is pulled, the inclined portion 133a of the unlocking unit 133 is inclined to the locking unit main body 121 . It moves along the guide part 121b to push the lock body 121 back.

When the lock body 121 is pushed back, the latch 110 is rotated while the latch fixing part 121a that has been fixing the fixing protrusion 111 of the latch is separated from the fixing protrusion 111 so that the latch 110 is not rotated. In this state, the latch 110 is separated from the lock hole formed in the door frame while the latch 110 is rotated by the force of the user pulling the inner handle 300 to open the door.

When the door is opened, the latch 110 is returned to the state before rotation by the latch restoring spring (not shown). In addition, the latch 110 is not rotated while the lock body 121 is restored to its original position by the lock body restoration spring 124 installed between the other end of the lock body 121 and the inside of the lock housing 123 . The latch fixing part 121a is fixed to the fixing protrusion 111 to prevent it from being fixed.

In addition, as the inclination part 133a of the unlocking part 133 is pushed along the inclination induction part 121b of the locking part body 121, the outer driving part main body 131 is pushed, and the pushed outer driving part main body 131 is the inner driving part. Push the body 141 to restore the original position.

By implementing in this way, the present invention can prevent the user from being able to open the door from the outside when the user locks the door from the inside, thereby preventing the inside from being exposed to the outside, thereby protecting the inside from the outside.

As described above, the present invention can open the door without rotating the door handle, so that children, the elderly, the disabled, etc. can open the door without special difficulties, thereby improving user convenience.

The various embodiments disclosed in the present specification and drawings are merely presented as specific examples to aid understanding, and are not intended to limit the scope of various embodiments of the present invention.

Therefore, the scope of various embodiments of the present invention, in addition to the embodiments described herein, all changes or modifications derived based on the technical idea of various embodiments of the present invention are included in the scope of various embodiments of the present invention should be interpreted as being

The present invention can be industrially used in the field of door lock technology and its application technology.

100: door lock device
110: latch
111: fixed projection
120: lock
121: lock body
121a: latch fixing part
121b: inclined induction part
122: latch shaft installation part
122a: latch shaft mounting groove
122b : Latch Restoration Spring
123: lock housing
124: lock body restoration spring
130: outer driving unit
131: outer drive unit body
132: spring
133: unlocking unit
133a: inclined part
140: inner driving unit
141: inner drive unit body
142: outer driving unit traction unit
143: flow prevention part
150: lock switch
151: operation switch
152: lock switch body
153: movement distance limiter
200: outer handle
300: inner handle

Claims (7)

a latch inserted into and caught in a lock hole formed in the door frame when the door is closed;
a lock unit locking the latch so as not to rotate the latch, and releasing the latch lock when the latch is pushed back;
an outer driving unit coupled to the outer handle, and pushing the locking unit backward while being pushed together when the user pushes the outer handle from the outside to release the latch lock;
an inner drive unit coupled to the inner handle, and pulling the outer drive unit while being pulled together when the user pulls the inner handle from the inside so that the lock unit is pushed back by the outer drive unit to release the latch lock;
including,
The outer drive unit and the inner drive unit are formed to engage with each other, the outer drive unit does not push the inner drive unit when the outer handle is pushed, and the inner drive unit pulls the outer drive unit when the inner handle is pulled A door lock device that does not require a handle rotation operation. The method of claim 1,
A door lock device that does not require knob rotation operation:
a lock switch that prevents the latch lock from being released by limiting the distance that the outer driving unit is pushed even when the user pushes the outer handle from the outside, thereby preventing the locking unit from being pushed back by the outer driving unit;
A door lock device that does not require a handle rotation operation to further include. 3. The method of claim 2,
Lock switch:
an operation switch that the user presses inside by hand;
a lock switch body coupled to one end of the operation switch and pushed back when the operation switch is pressed;
a movement distance limiting unit coupled to protrude from one end of the lock switch body and preventing the locking unit from being pushed back by fixing the inner driving unit while being pushed together with the lock switch main body to limit the distance at which the outer driving unit is pushed;
A door lock device that does not require a handle rotation operation with the included handle. The method of claim 1,
Outer drive:
an outer driving unit body having one end coupled to the outer handle;
a spring installed between the other end of the outer driving unit body and the inner driving unit to provide a restoring force when the outer driving unit is pushed by the outer handle;
a lock release unit protruding from the side of the outer driving unit main body, and having an inclined portion formed on a part of the bottom so that the lock is pushed back along the inclined portion when the outer driving unit body is pushed to release the latch lock;
A door lock device that does not require a handle rotation operation with the included handle. 5. The method of claim 4,
Lock:
a lock body having a latch fixing part configured to fix the latch so that the latch is not rotated, and an inclination inducing part guiding the lock body to be pushed back while being pushed along the inclined part of the unlocking part, at the other end;
a latch shaft installation part installed on one end of the lock body, having a latch shaft installation groove formed at one end to rotate the latch, and a latch restoration spring installed at the other end to restore the latch pushed back to its original position when the door is opened and closed;
a lock housing having the lock body seated therein, and guiding the lock body to be pushed back;
a lock body restoring spring installed between the other end of the lock body and the inside of the lock housing to restore the lock body pushed back to its original position;
A door lock device that does not require a handle rotation operation with the included handle. 4. The method of claim 3,
Inner drive:
an inner driving unit body having one end coupled to the inner handle;
an outer drive traction unit that is formed to be caught on the outer drive unit at the other end of the inner drive unit main body, and pulls the outer drive unit when the user pulls the inner handle from the inside;
A door lock device that does not require a handle rotation operation with the included handle. 7. The method of claim 6,
Inner drive:
a flow preventing unit protruding from the side of the inner driving unit main body, the movement distance limiting unit preventing the locking unit from being pushed back is seated to prevent the inner driving unit main body from moving;
A door lock device that does not require a handle rotation operation to further include.

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