KR101761353B1 - Automatic locking device for preventing deformation of the fire door - Google Patents

Automatic locking device for preventing deformation of the fire door Download PDF

Info

Publication number
KR101761353B1
KR101761353B1 KR1020160027761A KR20160027761A KR101761353B1 KR 101761353 B1 KR101761353 B1 KR 101761353B1 KR 1020160027761 A KR1020160027761 A KR 1020160027761A KR 20160027761 A KR20160027761 A KR 20160027761A KR 101761353 B1 KR101761353 B1 KR 101761353B1
Authority
KR
South Korea
Prior art keywords
door
case
fire
groove
fire door
Prior art date
Application number
KR1020160027761A
Other languages
Korean (ko)
Inventor
백춘영
김주응
Original Assignee
백춘영
김주응
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 백춘영, 김주응 filed Critical 백춘영
Priority to KR1020160027761A priority Critical patent/KR101761353B1/en
Application granted granted Critical
Publication of KR101761353B1 publication Critical patent/KR101761353B1/en

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/72Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/34Form stability
    • E05Y2800/342Deformable
    • E05Y2800/344Deformable elastically
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40Physical or chemical protection
    • E05Y2800/414Physical or chemical protection against high or low temperatures
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40Physical or chemical protection
    • E05Y2800/42Physical or chemical protection against smoke or gas
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/132Doors
    • E05Y2900/134Fire doors

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)

Abstract

More particularly, the present invention relates to an automatic locking device for preventing deformation of a fire door, which is fixed in a closed state so as to prevent deformation of a fire door closed by heat generated during a fire, The door is hinged so that when the door is opened and closed, the guide member is inserted into the door and protrudes from the door, and the door is fixed at the upper and lower sides of the door. ≪ / RTI >

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic locking device for a fire door,

More particularly, the present invention relates to an automatic locking device for preventing deformation of a fire door, which is fixed in a closed state so as to prevent deformation of a fire door closed by heat generated during a fire, The present invention relates to an automatic locking device for preventing deformation of a fire door which is freely accessible.

Generally, a fire door is installed in an opening to prevent diffusion and combustion when a fire occurs in a building, and it is mandatory to install the fire door in a building of a certain scale or more so that the fire can be detected and blocked.

These fire doors are divided into two types, namely, A-type and S-type, and the area to be used in the building method is designated. The fire door is hinged to the user so that the fire door is closed when a fire occurs.

Therefore, when used for a long period of time, clearances between door frames and fire doors are generated, so that it is not possible to effectively prevent the spread of fire when a fire occurs, and maintenance and repair are taking place to prevent gas and heat leakage.

In addition, there is a problem that when fire occurs, deformation occurs at both ends where hinge and locking device are not formed due to high-temperature heat, so that fire can not be prevented.

Korean Patent No. 10-1065400 entitled " Automatic fire safety pin of fire door "has been proposed as a conventional technique to solve such a problem.

In the conventional technology, the locking part is fixed to the guide part through a thermal sensing fuse that senses the heat of the fire, and the locking part is protruded when the thermal sensing fuse is broken due to a certain temperature rise.

However, if the locking part is protruded, it can not be opened easily, so the inside person can not be evacuated or the fire brigade can not enter, so it is difficult to extinguish the fire. After the fire extinguishing, I have a problem.

In addition, there is a problem in that the fire door can not be closed in a state where the fire can be operated by receiving the temperature that can be detected by the fuse when a fire occurs, and malfunction due to the fire without being closed.

In addition, the performance and operation test can not be checked with one-time function, and replacement cost and replacement time are required to be changed at the time of use, and when the thermal fuse is broken due to impact for a long period of time, the door can not be locked or closed by force .

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above problems, and it is an object of the present invention to provide a fire door which can prevent heat from being deformed by heat when a fire occurs, And an automatic fixing device for preventing deformation.

It is a further object of the present invention to provide a fireproof door which is fixed in contact with a door frame when it is closed so as to be able to open and close the fire door and is easy to escape and extinguish fire by releasing weight and elasticity when opened, Device.

It is another object of the present invention to provide an automatic fixing device for preventing deformation of a fire door which can be easily installed in installed fire doors and installed fire doors, thereby saving cost and time and facilitating maintenance .

It is still another object of the present invention to provide an automatic fixing device for preventing deformation of a fire door that can be easily released in a state where the door is fixed by a high temperature and a high temperature.

In order to achieve the above-mentioned object, the present invention provides a fire-extinguishing fire extinguisher having a guide groove formed to be exposed in the opening direction of a door, A door frame formed in a pair of grooves and formed on an upper side or a lower side of the door frame; a fire door hinged to the door frame so as to be openable and closable and having an insertion groove at a position corresponding to the guide groove, A case which is inserted into the insertion groove so as to be open at one side thereof, a first opening groove formed at an upper portion of the opened side, and a second opening groove formed at a lower portion thereof; An engaging member projecting outwardly through the first opening groove at an upper end of the connecting member to be coupled to the engaging groove; and a second engaging member projecting from the lower end of the connecting member to the second engaging member, A fixing part formed of a guide member protruding outward through the opening groove and inserted into the guide groove; And an urging part which is in contact with both the inner side surface of the case and the lower side surface of the connecting member at both ends so as to project the guide member outward by elasticity.

It is preferable to further include an opening means formed of a rotating body formed to forcibly rotate the fixed portion inside the case and a handle formed on the rotating body and being exposed to the outside of the door to rotate the rotating body Do.

Preferably, a heat insulating material is formed on the outside of the case to prevent heat from being transmitted to the inside of the case.

It is preferable that the upper and lower ends of one side of the case include an engaging portion that engages with the door.

It is preferable that the pressing portion comprises an elastic member which is brought into close contact with the inner surface of the case and the fixing portion and is rotated by elasticity.

Preferably, the pressing portion comprises a steel ball having a rail formed on an inner side surface of the case and rotating the fixing portion through a vertical movement of the rail.

According to the automatic fixing device for preventing deformation of a fire door of the present invention, when a guide member protruding from the door frame is inserted into the door frame when the door is opened and closed, the coupling member is fixed to the door frame, And it is possible to prevent the diffusion of gas and heat.

According to the present invention, there is an advantage that when the door is closed to be able to open and close the fire door, it is fixed by being in contact with the door frame and is released by the pressing portion when opened, thereby facilitating evacuation and fire suppression.

According to the present invention, the guide groove and the coupling groove are formed in the insertion groove and the door frame in the installed fire door and the fire door to be installed, so that it is possible to easily and cost-effectively save time and maintenance.

According to the present invention, there is an advantage that the fixing portion can be easily released from the door frame through the opening means in a state where the fire door has been fixed by a caulking or a high temperature.

1 is a perspective view showing a state in which an automatic fixing device for preventing deformation of a fire door according to the present invention is installed;
2 is a perspective view showing an automatic fixing device for preventing deformation of a fire door according to the present invention,
3 is a perspective view showing a decomposition state according to the present invention,
4 is a cross-sectional view showing an internal configuration according to the present invention,
5 is a conceptual view showing various shapes of the elastic member according to the present invention,
6 is a perspective view showing the opening means according to the present invention,
7 is a sectional view showing a safety plate according to the present invention,
FIG. 8 is a sectional view showing an operating state when the fire door is opened and closed according to the present invention,
9 is a conceptual diagram showing an operating state of the opening means according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an automatic fixing device for preventing deformation of a fire door according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a perspective view showing an automatic fixing device for preventing deformation of a fire door according to the present invention, and Fig. 3 is a perspective view showing the automatic fixing device for preventing deformation of a fire door according to the present invention. Fig. FIG. 5 is a conceptual view showing various shapes of the elastic member according to the present invention, and FIG. 6 is a perspective view showing an opening according to the present invention. 7 is a cross-sectional view showing a safety plate according to the present invention, FIG. 8 is a sectional view showing an operating state when the fire door is opened and closed according to the present invention, FIG. 9 is a perspective view showing the opening means according to the present invention, Fig.

1 to 9, the present invention relates to an automatic locking device for preventing deformation of a fire door, and more particularly, to an automatic locking device for a fire door that is fixed in a closed state to prevent deformation of a fire door closed by heat generated during a fire, The present invention relates to an automatic locking device for preventing deformation of a fire door which is freed from being locked in accordance with opening and closing of a fire door.

The present invention comprises a case (10), a fixing part (20), and a pressing part (30) for easily opening and closing the fire door and fixing the door to the door frame in a closed state to prevent external impact and fire .

In addition, the fire door 100 prevents fire from spreading and can be evacuated. An insertion groove 110 is formed in upper and lower portions of the fire door 100 so that the fire door 100 can be used in combination with the present invention. The guide groove 220 and the coupling groove 210 are formed at positions corresponding to the insertion groove 110 in a state where the fire door 100 is closed.

At this time, the insertion groove 110, the guide groove 220, and the coupling groove 210 are formed in the existing fire door and the installed fire door.

The case 10 is inserted into the insertion groove 110 so that one side thereof is opened. A first opening groove 11 is formed in an upper portion of the opened side, and a second opening groove 12 is formed in a lower portion.

The case 10 is formed so as to be disassembled and assembled, and is preferably coupled through screws or rivets so as not to be interfered with the outside.

An engaging portion 13 is formed at an upper end and a lower end of one side of the case 10 so as to engage with the fire door. The other end of the case 10 is inserted into the insertion groove 110 And is fixed to the side surface of the fire door 100 in a buried state.

A heat insulating material 50 is attached to the outside of the case 10 to prevent the heat generated by the fire from being transmitted to the inside of the case 10. The heat insulating material 50 is installed on the outside of the case 10 so as to prevent heat, (100) and the case (10).

The fixing part 20 includes a connecting member 23 and a connecting member 23 which are pivotably hinged to the inside of the case 10 and protrude outward from the upper end of the connecting member 23 through the first opening groove 11, A guide member 220 protruding outward from the lower end of the connecting member 23 through the second development groove 12 and inserted into the guide groove 220, 22).

Here, the fixing part 20 has a "C" shape, and the connecting member is hingedly coupled to the case.

The engaging member 21 is positioned forward of the guide member 22 so that the engaging member 21 is inserted into the door frame 200 and then the guide member 22 contacts the door frame 200 So that the coupling member 21 can be operated.

Further, the hinge coupling position can be adjusted so that the coupling member 21 can be projected by the rotation of the guide member 22, and can be manufactured through various methods such as bending, welding, and coupling.

The guide member 22 is heavier than the coupling member 21 so that the guide member 22 is protruded by the weight when installed so that the coupling member 21 can be inserted.

The guide member 22 and the engaging member 21 can be changed in such a way that the guide member 22 can be protruded by a load according to a direction in which the fire door is installed. So as to be able to have a weight through the structure.

The guide member 22 is formed with a sliding surface 22a so as to smoothly move in contact with the guide groove 220. The sliding member 22 is inserted into the coupling groove 210, A tapered surface 21a is formed so as to be easy to handle.

Here, the guide member 22 may be formed in a round or tapered shape in contact with the guide groove 220 when the fire door 100 is opened or closed, The member 21 is formed so as to protrude by the rotation of the guide member 22 and to be easily fixed to and detached from the coupling groove 210.

The pressing portion 30 is in close contact with both ends of the inner side surface of the case 10 and the lower side surface of the connecting member 23 so that the guide member 22 protrudes outward by elasticity.

Therefore, as shown in FIG. 6, the pressing unit 30 does not cause malfunction due to high-temperature heat generated in the event of a fire, and is provided with an elastic member 31, (33).

6 (a), the elastic member 31 is brought into close contact with the inner surface of the case 10 and the fixing portion 20 so that the guide member 22 protrudes outward by elasticity, 6 (b), the steel ball 33 is formed with a rail 32 on the inner side surface of the case 10, and is seated on the rail 32, 22).

That is, the elastic member 31 uses elastic force, and the steel ball 33 is formed at a position where the guide member 22 can protrude due to its weight, and can be variously changed and adjusted according to the situation It is preferable that the steel ball 31 is installed in a direction in which the guide member 22 can be protruded by weighting from the upper part to the lower part.

In addition, it prevents malfunction caused by heat, and it is easy to extinguish and extinguish fire in high temperature heat generated when a fire occurs.

The rotating body 41 is formed in the case 10 so as to forcibly rotate the fixing part 20. The rotating body 41 is exposed to the outside of the fire door, And an opening means (40) composed of a rotating handle (42).

Here, the rotating body 41 rotates by the operation of the knob among various constructions such as a cam, a projection, and a bending, so that the engaging member 21 can be moved. The knob 42 is rotated, It is preferable that the rotating body 41 can be rotated through various methods.

Further, the handle 42 is exposed to the outside of the fire door 100 and is not interfered with when opened and closed, and is formed so that the user can easily operate the handle.

Therefore, even if a fire is generated and a chipped shape is generated in the insertion groove 110, it can be easily released through a user's operation.

In addition, a safety plate 60, which is inserted into the door frame, is coupled to one side of the case 10 to protect the guide member 22 from being exposed to the outside.

Therefore, the safety plate 60 is formed with a third opening 61 corresponding to the guide member 22 and is coupled to the side surface of the case 10 so as to be rotatable and insertable. The safety plate 60, And a spring 62 for externally exposing it to the outside by an elastic force.

As shown in FIG. 8, the operation is performed as follows according to opening and closing of the fire door.

The insertion groove 110 is formed in the fire door 100 and the door groove 220 and the coupling groove 210 are formed in the door frame 200 at positions corresponding to the insertion groove 110, The groove 220 and the coupling groove 210 are formed so that the guide member 22 and the coupling member 21 can be inserted, respectively.

In addition, the guide groove 220 is formed so that the guide member 22 slides and rotates to protrude the engaging member 21.

The guide groove 220 may be inclined downward or upward so as to be tapered to contact the side surface of the guide member 22 or to protrude the inner side surface of the guide groove 220, It is preferable that the front surface of the member 22 is formed so as to be able to rotate while being moved to the door frame 200 in contact with the front surface.

The case 10 inserted with the pressing portion 30 and the fixing portion 20 is inserted into the insertion groove 110 and then coupled through the coupling portion 13, A heat insulating material (50) is formed between the fire doors to block the heat transmitted by the fire.

Therefore, when the fire door 100 is in contact with the door frame 200 in a state where the guide member 22 is protruded by the pressing portion 30 when the fire door 100 is opened, the guide member 22 is moved along the guide groove 220, And is fixed to the coupling groove 210 while the coupling member 21 protrudes.

When the door is closed, the guide member 22 is pivotally moved by the pushing portion 30 to be inserted into the interior of the fire door 100, Can be opened and closed.

Accordingly, the fire door 100 can be easily opened and closed, and when the fire occurs, the coupling member 21 is fixed to the coupling groove 210 to prevent the fire door from being deformed by fire.

As shown in Fig. 9, the opening means is made as follows.

The opening means 40 is configured to forcibly rotate the fixing portion 20 so that the engaging member 21 can be inserted therein.

When the engaging member 21 and the guide member 22 are inserted into the engaging groove 210 and the guide groove 220 and can not be easily released by contact or the like, (42) to rotate the rotating body (41).

At this time, the engaging member 21 can be forced into contact with the fixing portion 20 so as to be inserted therein by the rotation of the rotating body 41.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. It is obvious that you can do it.

10: Case 11: First opening groove
12: second opening groove 13: engaging portion
20: fixing part 21: coupling member
21a: tapered surface 22: guide member
22a: sliding surface 23: connecting member
30: pressing portion 31: elastic member
32: rail 33: steel ball
40: opening means 41: rotating body
42: Handle 50: Insulation
60: a safety plate 61: a third opening groove
62: spring 100: fire door
110: insertion slot 200: door frame
210: coupling groove 220: guide groove

Claims (6)

A guide groove 220 formed to be exposed to the opening direction of the door and a coupling groove 210 recessed inward are coupled to the wall surface so as to prevent fire, A door frame 200 formed at an upper portion or a lower portion of the door frame 200 and a fire door 100 formed of a fire door 100 hingedly coupled to the door frame 200 in a hinged manner and having an insertion groove 110 formed at a position corresponding to the guide groove 220 1. An automatic fixing device for preventing deformation,
A case 10 inserted into the insertion groove 110 so as to be open at one side thereof, a first opening 11 formed at an upper side of the opened side, and a second opening 12 formed at a lower side thereof;
A coupling member 23 rotatably hinged to the inside of the case 10 and a coupling member 23 protruding outward from the upper end of the coupling member through the first opening groove 11 and coupled to the coupling groove 210, (20) comprising a member (21) and a guide member (22) protruding outwardly from the lower end of the connecting member (23) through the second opening groove (12) and inserted into the guide groove (220);
And an urging part (30) which is in contact with both the inner side surface of the case (10) and the lower side surface of the connecting member (23) at both ends so as to project the guide member (22) outwardly by elasticity Automatic fixing device for preventing deformation of fire door.
The method according to claim 1,
A rotating body 41 formed in the case 10 so as to forcibly rotate the fixing part 20 and a rotating body 41 formed on the rotating body 41 and exposed to the outside of the fire door 100, Further comprising an opening means (40) composed of a handle (42) for rotating the whole body (41).
The method according to claim 1,
Wherein a heat insulating material (50) is formed on the outside of the case (10) to prevent heat from being transmitted to the inside of the case.
The method according to claim 1,
Wherein an upper portion and a lower portion of one side of the case (10) are provided with engaging portions (13) to be engaged with the doors.
The method according to claim 1,
The pressing portion (30)
And an elastic member (31) which is brought into close contact with the inner surface of the case (10) and the fixing portion and is rotated by elasticity.
The method according to claim 1,
The pressing portion (30)
, And a steel ball (33) formed on the inner side surface of the case (10) and rotating the fixing portion (20) through a vertical movement of the rail (32) Automatic fixing device for preventing deformation.
KR1020160027761A 2016-03-08 2016-03-08 Automatic locking device for preventing deformation of the fire door KR101761353B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160027761A KR101761353B1 (en) 2016-03-08 2016-03-08 Automatic locking device for preventing deformation of the fire door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160027761A KR101761353B1 (en) 2016-03-08 2016-03-08 Automatic locking device for preventing deformation of the fire door

Publications (1)

Publication Number Publication Date
KR101761353B1 true KR101761353B1 (en) 2017-07-25

Family

ID=59422584

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160027761A KR101761353B1 (en) 2016-03-08 2016-03-08 Automatic locking device for preventing deformation of the fire door

Country Status (1)

Country Link
KR (1) KR101761353B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102094319B1 (en) * 2019-07-22 2020-03-27 주식회사 대광도어 Safety Pin For Fire Door

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100816767B1 (en) 2007-02-21 2008-03-25 최호 An auto opening and shutting device for door

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100816767B1 (en) 2007-02-21 2008-03-25 최호 An auto opening and shutting device for door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102094319B1 (en) * 2019-07-22 2020-03-27 주식회사 대광도어 Safety Pin For Fire Door

Similar Documents

Publication Publication Date Title
KR101774830B1 (en) Buried double swing type fire door
KR101923643B1 (en) Anti-thermal deformation device of double fire doors
KR101641021B1 (en) Apparatus for locking windows and doors
JP6096462B2 (en) Opening device
KR101761353B1 (en) Automatic locking device for preventing deformation of the fire door
KR101716324B1 (en) Fire door of the side fixing device
JP2010007309A (en) Lock implement and lock device of fire door
KR20190003132U (en) Buried fire door
KR101705640B1 (en) Overhanging fire door of the fixing device
KR101744220B1 (en) a Fire protection door for building
EP1681413A2 (en) Selvage for secondary wing of fire doors
KR101081626B1 (en) A hinge structure for a door of fire shutter
JP6697189B2 (en) Switchgear for windows
KR100749912B1 (en) Crime prevention window
JPH08126714A (en) Door closer with automatic closing device
KR200452169Y1 (en) turn check
CN211691988U (en) Temperature control window closing device and temperature control window
JP5354645B2 (en) Fire seal device at the summing part of double doors
JP2016205656A (en) Ventilation device
KR100702937B1 (en) Interception Construction of Emergrncy Escape Door of Fireproof Shutter
KR100666510B1 (en) Emergency escape door of fireproof shutter
JP4343097B2 (en) Door guard
KR100858024B1 (en) Interception construction of emergrncy escape door of fireproof shutter
KR200423381Y1 (en) Fireproof shutter of a see through a glass
KR200272726Y1 (en) Device for locking of box

Legal Events

Date Code Title Description
GRNT Written decision to grant