KR102662787B1 - Apparatus for unlocking door - Google Patents

Abstract

The door unlocking device according to the present invention is installed between a door frame in which a latch groove is recessed so that the latch of a door that opens and closes in a hinged manner is inserted, and a catch installed around the latch groove and having a penetrating catch hole, and is made of a flexible material. A body portion formed in a strip shape; a fixing part extending from one end of the body and fixed between the door frame and the catch; and a gripping portion formed at the other end of the body portion and held and pulled by a user, wherein the body portion is folded in a folding direction from the outer space of the door to the inner space of the door, so that at least a portion of the body portion is outside the latch groove. is disposed in, and when the door is closed, it is bent by the latch and disposed with the latch inside the latch groove, and when the grip portion disposed in the inner space is pulled, it unfolds in a direction toward the outside of the latch groove. The door may be unlocked by moving the latch disposed inside the latch groove to the outside of the latch groove.

Description

Apparatus for unlocking door}

The present invention relates to a door unlocking device, and more specifically, to interlock a latch inserted into the latch groove of the door frame and a handle, so that when an external force is applied to the handle, the latch is inserted into the door and the latch is released from the latch groove. It relates to a door unlocking device that can unlock the door by disengaging the latch inserted in the latch groove from the latch groove even if the door is locked due to a failure of the interlocking part.

In general, doors that open the entrance are roughly divided into swing doors, which open and close by pulling or pushing the handle, and sliding doors, which open and close as the train moves along the rail, depending on the opening and closing method.

In a typical swing door, a door frame that maintains the shape of a square frame is installed on the wall of a building, and a heavy swing door (hereinafter referred to as a "door") is installed on the door frame so that it can be opened and closed by hinges.

In addition, a latch is installed on the door to appear and retract when the handle is pressed, and a recessed groove is formed in the door frame to maintain the closed state of the door by receiving the latch when the door is closed. The connection surface between the door frame and the door is formed. Packing (not shown) is fixed to each door to maintain confidentiality when the door is closed.

Therefore, when the latch installed to be retractable on the door is inserted into the recessed groove of the door frame, that is, when the door is closed and the inner door handle or the outer door handle is pressed, the latch is released from the recessed groove, so that the door can be opened.

For this purpose, the door will be provided with an interlocking part that links the inner door handle and the outer door handle and the latch so that the latch can be inserted into the inside of the door and removed from the groove according to the movement of the inner handle or outer handle of the door. You can.

If a failure occurs in the interlocking part, the latch is not inserted into the door and remains inserted into the groove even if the inner door handle or the outer door handle is pressed, preventing the user from opening the door. Problems arise.

Korean Patent No. 10-1237681

The purpose of the present invention is to interlock the latch and the handle inserted into the latch groove of the door frame, so that when an external force is applied to the handle, the latch is inserted into the door, even if the interlocking part that separates the latch from the latch groove is broken and the door is locked. The object is to provide a door unlocking device that can unlock the door by disengaging the latch inserted in the latch groove from the latch groove.

Specifically, the purpose of the present invention is to provide a fixing part fixed between the door frame and the catch extending from one end of the body portion formed in a strip shape, a gripping portion pulled by the user being formed at the other end of the body portion, and the body portion facing inward from the outside of the door. It is folded in the direction of folding and placed on the outside of the latch groove installed in the door frame. When the door is closed, the body is bent by the latch and placed with the latch on the inside of the latch groove. When the grip placed in the inner space of the door is pulled, it moves in the direction toward the latch. An object of the present invention is to provide a door unlocking device that can unlock the door by moving the latch disposed on the inside of the latch groove to the outside of the latch groove by unfolding the body portion.

The objects of the present invention are not limited to the objects mentioned above, and other objects and advantages of the present invention that are not mentioned can be understood by the following description and will be more clearly understood by the examples of the present invention. Additionally, it will be readily apparent that the objects and advantages of the present invention can be realized by the means and combinations thereof indicated in the patent claims.

The door unlocking device according to the present invention is installed between a door frame in which a latch groove is recessed so that the latch of a door that opens and closes in a hinged manner is inserted, and a catch installed around the latch groove and having a penetrating catch hole, and is made of a flexible material. A body portion formed in a strip shape; a fixing part extending from one end of the body and fixed between the door frame and the catch; and a gripping portion formed at the other end of the body portion and held and pulled by a user, wherein the body portion is folded in a folding direction from the outer space of the door to the inner space of the door, so that at least a portion of the body portion is outside the latch groove. is disposed in, and when the door is closed, it is bent by the latch and disposed with the latch inside the latch groove, and when the grip portion disposed in the inner space is pulled, it unfolds in a direction toward the outside of the latch groove. The door may be unlocked by moving the latch disposed inside the latch groove to the outside of the latch groove.

Preferably, the body part is disposed in a space outside the door when the fixing part is fixed between the door frame and the catch and is not folded in the folding direction, and the fixing part is fixed between the door frame and the catch. In this state, when the door is folded in the folding direction, the remainder other than at least part of the door may be disposed in the inner space of the door.

Preferably, the holding part is disposed in an outer space of the door when the body part is not folded in the folding direction in a state in which the fixing part is fixed between the door frame and the catch, and the fixing part is fixed between the door frame and the catch. In the fixed state, when the body portion is folded in the folding direction, it can be placed in the inner space of the door.

Preferably, the fixing part is provided with a fixing hole formed through the catch to communicate with a catch fixing hole formed through the catch and a catch fixing groove formed in the door frame, and the fixing hole is a catch fixing member inserted and passed through the catch fixing hole. is inserted and passed through, and the catch fixing member inserted into and passed through the fixing hole may be inserted into the catch fixing groove.

Preferably, the fixing portion may be formed to branch from the body portion corresponding to one or more of the catch fixing holes and the catch fixing grooves, and the fixing hole may be provided at each branched end.

Preferably, the gripper may have a gripper hole formed through the gripper into which the user's finger can be inserted.

According to the present invention, the latch inserted into the latch groove of the door frame is interlocked with the handle, so that when an external force is applied to the handle, the latch is inserted into the door, so even if the interlocking part that separates the latch from the latch groove is broken and the door is locked, The door can be unlocked by removing the latch inserted in the latch groove from the latch groove.

Specifically, according to the present invention, the fixing part fixed between the door frame and the catch is formed extending from one end of the body part formed in a strip shape, a gripping part that is pulled by the user is formed at the other end of the body part, and the body part is folded from the outside of the door inward. It is folded in this direction and placed on the outside of the latch groove installed in the door frame. When the door is closed, the body is bent by the latch and placed with the latch on the inside of the latch groove. When the grip placed in the inner space of the door is pulled, the body moves in the direction toward the latch. As the part is unfolded, the latch disposed inside the latch groove can be moved to the outside of the latch groove to unlock the door.

1 is a perspective view of a door unlocking device according to an embodiment of the present invention.
Figure 2 is a top view of a door unlocking device according to an embodiment of the present invention.
Figure 3 is a diagram showing a door on which a door unlocking device is installed, a door latch, a door frame, and a catch installed on the door frame according to an embodiment of the present invention.
Figure 4 is a diagram for explaining a process in which a door unlocking device is installed on a door frame according to an embodiment of the present invention.
Figure 5 is a diagram showing a state in which the door unlocking device according to an embodiment of the present invention is installed on the door frame.
Figure 6 is a diagram showing a state in which the door unlocking device according to an embodiment of the present invention is installed on the door frame and the body portion is folded in the folding direction.
Figure 7 is a diagram illustrating a state in which a door is closed on a door frame on which a door unlocking device according to an embodiment of the present invention is installed.
Figure 8 is a cross-sectional view of a door closed on a door frame with a door unlocking device installed according to an embodiment of the present invention.
Figure 9 is a cross-sectional view of a state in which the grip part of Figure 8 is pulled and the door is unlocked.
Figure 10 is a diagram showing a state in which the door is unlocked.

Hereinafter, various embodiments of the present invention are described with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include various modifications, equivalents, and/or alternatives to the embodiments of the present invention. In connection with the description of the drawings, similar reference signs may be used for similar components.

In this document, expressions such as “have,” “may have,” “includes,” or “may include” refer to the presence of the corresponding feature (e.g., numerical value, function, operation, or component such as a part). , and does not rule out the existence of additional features.

In this document, expressions such as “A or B,” “at least one of A or/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together. . For example, “A or B,” “at least one of A and B,” or “at least one of A or B” (1) includes at least one A, (2) includes at least one B, or (3) It can refer to all cases including both at least one A and at least one B.

As used herein, expressions such as "first", "second", "first", or "second" may modify various elements in any order and/or importance, and may refer to one element. It is only used to distinguish from other components and does not limit the components. For example, a first user device and a second user device may represent different user devices regardless of order or importance. For example, a first component may be renamed a second component without departing from the scope of rights described in this document, and similarly, the second component may also be renamed the first component.

A component (e.g., a first component) is “(operatively or communicatively) coupled with/to” another component (e.g., a second component). When “connected to” is mentioned, it should be understood that any component may be directly connected to the other component or may be connected through another component (e.g., a third component). On the other hand, when a component (e.g., a first component) is referred to as being “directly connected” or “directly connected” to another component (e.g., a second component), it is said that the component and the other component are It may be understood that no other components (e.g., third components) exist between components.

The expression “configured to” used in this document may be used depending on the context, for example, “suitable for,” “having the capacity to.” )", "designed to", "adapted to", "made to", or "capable of". . The term “configured (or set) to” may not necessarily mean “specifically designed to” in hardware. Instead, in some contexts, the expression “a device configured to” may mean that the device is “capable of” working with other devices or components.

Terms used in this document are merely used to describe specific embodiments and may not be intended to limit the scope of other embodiments. Singular expressions may include plural expressions, unless the context clearly indicates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the technical field described in this document. Among the terms used in this document, terms defined in general dictionaries may be interpreted to have the same or similar meaning as the meaning they have in the context of related technology, and unless clearly defined in this document, they may be interpreted in an ideal or excessively formal sense. It is not interpreted. In some cases, even terms defined in this document cannot be interpreted to exclude embodiments of this document.

Figure 1 is a perspective view of a door unlocking device according to an embodiment of the present invention, Figure 2 is a top view of a door unlocking device according to an embodiment of the present invention, and Figure 3 is a perspective view of a door unlocking device according to an embodiment of the present invention. It is a diagram showing the door on which the door unlocking device is installed, the door latch, the door frame, and the catch installed on the door frame, and Figure 4 is a diagram for explaining the process of installing the door unlocking device on the door frame according to an embodiment of the present invention. , and Figure 5 is a diagram showing a state in which the door unlocking device according to an embodiment of the present invention is installed on the door frame.

1 to 5, the door unlocking device 100 according to an embodiment of the present invention is installed between the catch C installed on the door frame DF and the door frame DF. Even if the door D is locked in a closed state, the door D can be unlocked by a pulling force applied from the user.

Specifically, the door unlocking device 100 according to an embodiment of the present invention includes a first handle H1 located in the outer space of the door D or a second handle H1 located in the inner space of the door D. When the handle (H2) is rotated, the linkage part that inserts the latch (R) protruding outward of the door (D) into the inside of the door (D) breaks down and the first handle (H1) or the second handle (H2) is rotated. If the door (D) is not unlocked because the latch (R) is not inserted into the inside of the door (D), the pulling force applied from the user deforms the latch (R) to the inside of the door (D). You can unlock the door (D) by inserting it.

Here, a door frame (DF) on which the door unlocking device 100 according to an embodiment of the present invention is installed and a door (D) unlocked by the door unlocking device 100 according to an embodiment of the present invention. Can be opened and closed in a hinged manner.

For this purpose, the door (D) is linked to the rotation of the first handle (H1) located in the outer space when closed and the rotation of the second handle (H2) located in the inner space when closed. It may be provided with a latch (R) that protrudes from the edge or is inserted inward.

In addition, the door (D) further includes a linkage part that is linked to the rotation of the first handle (H1) or the rotation of the second handle (H2) to protrude the latch (R) from the edge of the door (D) or insert it inward. It can be done. Specifically, the latch (R) is inserted into the inside of the door (D) when one or more of the first handle (H1) and the second handle (H2) is rotated, and the first handle (H1) and the second handle (H2) are inserted into the door (D). If both handles (H2) are not rotated, they may protrude from the edge of the door (D).

Meanwhile, the door frame DF may be formed to surround the edge of the door D when the door D is closed. Additionally, the door frame DF may be formed with a recessed latch groove RH into which the latch R of the closed door D can be inserted.

Accordingly, when the first handle (H1) and the second handle (H2) are pulled without rotating while the door (D) is closed, the latch (R) is maintained inserted into the latch groove (RH) and the door ( D) can remain closed.

In addition, when the door (D) is closed and the first handle (H1) is rotated and then pulled or the second handle (H2) is rotated and then pushed, the latch (R) is inserted into the inside of the door (D) , the door (D) may be opened because it is not inserted into the latch groove (RH).

On the other hand, when the door (D) according to another embodiment is pushed after the first handle (H1) is rotated in a closed state or is pulled after the second handle (H2) is rotated, the latch (R) of the door (D) It is inserted inside, but not into the latch groove (RH), so the door (D) can be opened. At this time, the door frame (DF) is provided with a catch (C) so that the latch (R) can be smoothly inserted into the latch groove (RH). ) may be installed around the latch groove (RH). The catch (C) is formed of a plate made of metal, and may be in communication with the latch groove (RH) and may have a through-penetrating catch hole (CH).

This catch (C) can be fixed to the door frame (DF) by inserting a catch fixing member (B) into the penetrated catch fixing hole (BH).

Specifically, a recessed catch fixing groove (DFH) is formed in the door frame (DF), the catch fixing groove (DFH) communicates with the catch fixing hole (BH) of the catch (C), and the catch fixing hole (BH) communicates with each other. ) and the catch fixing member (B) are sequentially inserted into the catch fixing groove (DFH), so that the catch (C) is Can be installed on the door frame (DF).

Meanwhile, when the door (D) is closed and the locking device of the second handle (H2) located in the inner space of the door (D) is locked, the user uses the first handle (H1) located in the outer space of the door (D) Even if a rotational force to rotate is applied to the first handle (H1), the first handle (H1) may not be rotated due to the locking device.

Accordingly, if the locking device of the second handle H2 located in the inner space of the door is locked while the door D is closed, the door D can be locked and maintained in a closed state.

As described above, in the door unlocking device 100 according to an embodiment of the present invention, the latch (R) remains on the door (D) even if the linkage part is broken and the first handle (H1) or the second handle (H2) is rotated. If the door (D) is not unlocked because it is not inserted into the It can be released.

To this end, the door unlocking device 100 according to an embodiment of the present invention may include a body portion 110, a fixing portion 120, and a grip portion 130.

The body portion 110 is made of a flexible material and may be formed in a strip shape.

The body portion 110 may be made of various materials as long as it is flexible and can be folded or bent, such as nylon material or cotton material.

A fixing part 120 and a holding part 130 may be formed on one end and the other end of the body part 110, respectively.

The fixing part 120 may be fixed between the door frame DF and the catch C.

To this end, the fixing part 120 may be provided with a fixing hole 121 formed through the catch C to communicate with the catch fixing hole BH formed through the catch C and the catch fixing groove DFH formed recessed into the door frame DF. there is.

Specifically, the fixing part 120 is disposed in contact with the door frame DF so that the catch fixing groove DFH and the fixing hole 121 communicate with each other, and the catch C has the catch fixing groove DFH and the fixing hole 121 communicating with each other. It may be disposed in contact with the fixing portion 120 so that 121 and the catch fixing hole (BH) communicate further.

Afterwards, the catch fixing member (B) is sequentially inserted into the catch fixing hole (BH), the fixing hole 121, and the catch fixing groove (DFH) to fix the fixing part 120 and the catch (C) to the door frame (DF). You can.

In other words, the fixing hole 121 is passed through the catch fixing member B, which is inserted into and passed through the catch fixing hole BH, and the catch fixing member B inserted into and passed through the fixing hole 121 is It can be inserted into the catch fixing groove (DFH).

At this time, the fixing part 120 may be arranged so as to be fixed between the door frame DF and the catch C but not cover the outside of the latch groove RH.

In addition, the fixing portion 120 is formed by branching from the body portion 110 corresponding to one or more of the catch fixing holes (BH) and the catch fixing grooves (DFH), and has fixing holes 121 at each branched end. This can be provided.

For example, when the fixing part 120 has two catch fixing holes (BH) and two catch fixing grooves (DFH), the fixing part 120 is formed by branching into two branches from the body part 110, and has two ends formed by branching into two branches. A fixing hole 121 may be provided on each side.

The gripping portion 130 is formed at the other end of the body portion 110 and can be held and pulled by the user.

Because of this, the pulling force applied from the user to the gripping part 130 may be transmitted to the body part 110 connected to the gripping part 130.

To this end, the gripper 130 may be provided with a gripper hole formed through the user's finger to insert it so that the gripper 130 can be easily gripped and pulled by the user.

In the previous description, the process of installing the door unlocking device 100 according to an embodiment of the present invention to the door frame DF and the shape of each component of the door unlocking device 100 according to an embodiment of the present invention. explained about it.

In the following explanation, a situation in which the door D is closed and locked in a deformed state of the body portion 110 will be described.

Figure 6 is a view showing a state in which the door unlocking device according to an embodiment of the present invention is installed on the door frame and the body portion is folded in the folding direction, and Figure 7 is a diagram showing the door unlocking device according to an embodiment of the present invention. It is a drawing showing a state in which a door is closed on an installed door frame, and Figure 8 is a cross-sectional view of a state in which a door is closed on a door frame with a door unlocking device installed according to an embodiment of the present invention, and Figure 9 is a view showing a state in which the door is closed in a door frame in which the door unlocking device of Figure 8 is pulled. It is a cross-sectional view in an unlocked state, and Figure 10 is a diagram showing the door in an unlocked state.

Referring further to FIGS. 6 to 10, the body portion 110 is formed of a flexible material and can be folded or bent, as described above.

In this way, the body portion 110 is folded in a folding direction from the outer space of the door (D) toward the inner space of the door (D) with the fixing portion 120 fixed between the door frame (DF) and the catch (C). Can be folded by the user.

Accordingly, at least a portion of the body portion 110 may be disposed outside the latch groove (RH).

That is, at least a portion of the body portion 110 folded in the folding direction may be disposed in the upper space of the latch groove (RH), the catch hole (CH), and the catch (C).

In addition, the rest, other than at least a portion of the body portion 110 disposed in the latch groove (RH), catch hole (CH), and upper space of the catch (C), may be disposed in the inner space of the door (D).

Meanwhile, the gripping portion 130 formed at the other end of the body portion 110 can be placed in the inner space of the door D by folding the body portion 110 in the folding direction.

Conversely, the body portion 110 may be disposed in the outer space of the door D if it is not folded in the folding direction while the fixing portion 120 is fixed between the door frame DF and the catch C. .

Accordingly, the gripping portion 130 formed at the other end of the body portion 110 may also be disposed in the outer space of the door D if the body portion 110 is not folded in the folding direction.

On the other hand, when the door D is closed while the fixing part 120 is fixed between the door frame DF and the catch C and the body part 110 is folded in the folding direction, the body part 110 is latch ( It can be bent by R) and placed together with the latch (R) inside the latch groove (RH).

In other words, when the door (D) is closed with at least a portion of the body 110 disposed in the latch groove (RH), the catch hole (CH), and the upper space of the catch (C), the latch (R) At least a portion of the body portion 110 disposed in the latch groove (RH), the catch hole (CH), and the upper space of the catch (C) may be pushed in a direction toward the latch groove (RH).

At this time, because the grip part 130 is not pulled, tension is not applied to the body part 110, so the body part 110 cannot support the latch (R) being pushed in the direction toward the latch groove (RH) and the latch It can be inserted into the latch groove (RH) in contact with (R).

Thereafter, when the grip part 130 disposed in the inner space of the door (D) is pulled by the user, the body portion 110 that was disposed in a bent state along with the latch (R) inside the latch groove (RH) may unfold in a direction toward the outside of the latch groove (RH) due to a pulling force applied by the user.

Accordingly, the body portion 110 extending in a direction toward the outside of the latch groove (RH) moves the latch (R) to the outside of the latch groove (RH), thereby unlocking the door (D).

Therefore, the latch (R) maintains the unlocked state disposed outside the latch groove (RH) by the body portion 110, and when force is applied to the door (D) in the direction in which the door (D) is opened, The door (D) can be opened as the latch (R) is in an unlocked state where it is not caught in the latch groove (RH).

Through this, the door unlocking device 100 according to an embodiment of the present invention is locked by inserting the latch (R) into the latch groove (RH) with the door (D) closed to the door frame (DF), and then the interlocking unit Even if the latch (R) is inserted into the inside of the door (D) and does not deviate from the latch groove (RH) even if the first handle (H1) or the second handle (H2) is broken and rotated, the inner space of the door (D) The door (D) can be unlocked by pulling force applied from the user located at.

Meanwhile, the body portion 110 according to another embodiment may further include a protrusion having a predetermined thickness.

These protrusions are formed to be thicker than the thickness of the peripheral area of the body portion 110, and are formed at a position where they can come into contact with the latch R when the door D is closed in a state in which the body portion 110 is folded in the folding direction. It can be.

Accordingly, even if the grip part 130 disposed in the inner space of the door D is pulled by the user, the body part 110 is bent due to the flexibility of the body part 110 and latches to the outside of the latch groove (RH). (R) You can prevent the phenomenon of not being able to move everyone.

So far, the present invention has been examined with a focus on preferred embodiments. A person skilled in the art to which the present invention pertains will understand that the present invention can be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative rather than a restrictive perspective. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the equivalent scope should be construed as being included in the present invention.

As described above, although the present invention has been described with limited examples and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following will be understood by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalence of the patent claims to be described.

100: Door unlocking device
110: body part
120: fixing part
130: gripping part

Claims (6)

In the door unlocking device installed between a door frame in which a latch groove is recessed into which a latch of a door that opens and closes in a hinged manner is inserted, and a catch installed around the latch groove and having a penetrating catch hole,
A body portion formed of a flexible material and shaped like a strip;
a fixing portion extending from one end of the body portion and fixed between the door frame and the catch; and
It includes a gripping portion formed on the other end of the body portion and gripped and pulled by the user,
The body part
It is folded in a folding direction from the outer space of the door to the inner space of the door, and at least a portion is located outside the latch groove and is disposed outside the catch hole in communication with the latch groove, and is bent by the latch when the door is closed. It is disposed together with the latch inside the latch groove and inside the catch hole, and when the grip portion disposed in the inner space is pulled, it unfolds in a direction toward the outside of the latch groove, thereby holding the inside of the latch groove and the catch hole. Characterized in unlocking the door by moving the latch disposed on the inside to the outside of the catch hole located on the outside of the latch groove and communicating with the latch groove.
Door unlocking device.
According to paragraph 1,
The body part
When the fixing part is fixed between the door frame and the catch and is not folded in the folding direction, it is disposed in a space outside the door,
When the fixing part is fixed between the door frame and the catch and is folded in the folding direction, the remainder other than at least part of the door is disposed in the inner space of the door.
Door unlocking device.
According to paragraph 1,
The gripping part
When the fixing part is fixed between the door frame and the catch, if the body part is not folded in the folding direction, it is disposed in a space outside the door,
When the fixing part is fixed between the door frame and the catch and the body part is folded in the folding direction, it is disposed in the inner space of the door.
Door unlocking device.
According to paragraph 1,
The fixing part
A fixing hole formed through the catch is provided to communicate with a catch fixing hole formed through the catch and a catch fixing groove formed into the door frame,
The fixing hole is
The catch fixing member is inserted and passed through the catch fixing hole,
The catch fixing member inserted and passed through the fixing hole is
Characterized in that it is inserted into the catch fixing groove.
Door unlocking device.
According to clause 4,
The fixing part
Characterized in that the catch fixing hole and the catch fixing groove are formed to branch from the body corresponding to one or more of the number, and the fixing hole is provided at each branched end.
Door unlocking device.
According to paragraph 1,
The gripping part
Characterized by having a grip hole formed through the user's finger to be inserted.
Door unlocking device.