KR20240048932A - Folding swing middle door with damper - Google Patents

Abstract

The present invention includes a frame portion including a horizontal fixed frame installed on the ceiling of an installation space, and a guide rail provided in the longitudinal direction at a lower portion of the horizontal fixed frame; A support door installed at the lower part of the frame and rotatably connected to the frame, an access door rotatably connected to the frame while sliding in the longitudinal direction of the horizontal fixed frame, the support door and the A door portion including a rotation guide member rotatably connected to the entrance door in both directions; and a moving member that moves on the guide rail and is connected to the access door, and rotates the support door when opening the door part and slides the access door when closing the door part, and then the rotated support door and the moved Provided is a folding swing middle door with a damper attached, including an opening/closing fixing unit that includes an automatic opening/closing means for fixing the entrance door.
Therefore, when the user applies an external force to open the door and slides the access door to one side, the access door and support door are rotated and folded and fixed to the lower part of the frame by the opening/closing fixing part, and when the door is closed, the access door and support door are rotated and folded. If the door is slid to the other side, after a certain point, the opening/closing fixing part closes the door without the user applying external force, thereby improving user convenience.

Description

Folding swing middle door with damper}

The present invention relates to a folding swing door with a damper, and more specifically, to a folding swing door with a damper that automatically opens, closes, and fixes a folding swing door installed on the ceiling of an indoor installation space.

Referring to the background technology described in Korean Patent Publication No. 2022-0073010, in general, a folding door literally refers to a folding door, and can be used as a replacement for the interior and exterior walls of a building wall and has durability in response to mechanical external force. This is guaranteed and is suitable for external use as it has soundproofing and windproofing effects. In addition, by applying glass to the product, visibility can be secured, and the design is excellent, so it is also used for internal purposes.

In addition, folding doors allow the 50% opening/closing structure of doors to be opened to more than 90% for valuable use of space, creating a spacious living space for residential use and facilitating accessibility for customers for commercial use, mainly used in high-end restaurants, apartments, and restaurants. It is being used for entrances or split doors of houses, commercial buildings, etc.

These folding doors are designed so that the entrance can be completely opened in places where there is no space to completely open the door outside the entrance of the wall. The door frame is constructed according to the shape of the entrance, and a plurality of sliding doors are attached to the hinge so that they can rotate around each other. and one end of the sliding door is connected to rotate on one side of the door frame.

In the conventional folding door, multiple doors are connected to each other by hinges, and when the door is opened and closed, the pushing force causes the door to rotate around the hinge at an undesirable rotational speed. Therefore, the rotational movement of the multiple folding doors cannot be predicted, There is a problem that causes inconvenience to users.

Additionally, when the user unconsciously closes the folding door, the folding door cannot be completely closed and remains open, so there is a problem in which the user must consciously check again to see if the folding door is completely closed.

Recently, the two-door folding system, in which two doors are interconnected, has been widely adopted as the main door or entrance of luxury homes, apartments, cafes, etc., but the doors of the two-door folding system are required to remain folded when fully opened and mutually folded. In addition, there is a need to develop a two-door folding system that automatically closes completely after a certain point when closing the folded door.

The present invention was created to meet the above-described situation. When a user applies an external force to open the door provided inside the frame and slides the entrance door to one side, the door and the support door of the door are rotated and then folded. In this state, it is automatically fixed to one side of the frame by the opening/closing fixing unit, and when the door is closed, the door is slid to the other side. After a certain point, the opening/closing fixing unit automatically locks the door without the user having to apply external force. The purpose is to provide a folding swing door with a damper attached that allows it to be moved and closed.

In order to achieve the above object, the present invention includes a horizontal fixed frame installed on the ceiling of an installation space, and a frame portion including a guide rail provided in the longitudinal direction at the lower part of the horizontal fixed frame; A support door installed at the lower part of the frame and rotatably connected to the frame, an access door rotatably connected to the frame while sliding in the longitudinal direction of the horizontal frame, the support door and the access door A door portion including a rotation guide member connected to the door so that it can rotate in both directions; and a moving member that moves on the guide rail and is connected to the access door, and rotates the support door when opening the door part and slides the access door when closing the door part, and then the rotated support door and the moved Provided is a folding swing middle door with a damper attached, including an opening/closing fixing unit that includes an automatic opening/closing means for fixing the entrance door.

In the folding swing middle door with an attached damper according to the present invention, the horizontal fixing frame may include a fixing plate fixed to the ceiling surface of the installation space, and a protruding plate protruding downward from both sides of the fixing plate, The protruding plate may be provided with a guide rail that protrudes toward the central portion of the fixing plate, and an end of the guide rail may be bent.

The protruding plate may include a first protruding plate protruding downward from one side of the fixing plate and a second protruding plate protruding downward from the other side of the fixing plate, and the guide rail is located at the first protruding plate. A first guide rail that protrudes in the direction of the second protruding plate and whose end is bent in the direction of the fixing plate, and a second guide rail that protrudes from the second protruding plate in the direction of the first protruding plate in a shape corresponding to the first guide rail. 2Can include guide rails.

When the access door is opened and closed between the first guide rail and the second guide rail, it protrudes to the upper part of the access door and the rotation axis connected to the moving member can be moved, and the first protruding plate and the second protruding plate First and second support protrusions supporting the automatic opening and closing means from the bottom may protrude in the direction of the second plate and the first plate, respectively.

On the upper and lower surfaces of the other side of the support door, one side of which is connected to the access door by the rotation guide member, a first fixed shaft rotatably fixes the support door to the frame portion and the floor of the installation space. and a second fixed axis may protrude, and a support door mounting hole and an access door mounting hole on which the rotation guide member is mounted are provided on one side of the support door and one side of the access door connected to one side of the support door, respectively. It may be formed in the longitudinal direction of the support door and the access door.

The rotation guide member is rotated by a first rotation guide shaft and a second rotation guide shaft mounted on the support door mounting hole and the access door mounting hole, and a fastening means with the first rotation guide shaft and the second rotation guide shaft. It may include a fastening body that can be fastened.

The automatic opening and closing means is provided in the frame portion and selectively connected to the moving member connected to the access door, and automatically closes the access door when an external force is applied to close the door portion when connected to the moving member. A first automatic opening and closing means that provides power to fix the access door after it is closed, and a moving member that is provided in the frame part to be spaced apart from the first automatic opening and closing means and is disconnected from the first automatic opening and closing means are connected to each other. A second automatic opening and closing means is selectively connected and automatically rotates the support door when an external force is applied to open the door portion when connected to the moving member and then provides power to fix the rotated support door. It may include, and the first automatic opening and closing means and the second automatic opening and closing means may be arranged to have a shape corresponding to the frame portion.

The first automatic opening and closing means is installed on the frame portion and includes a first housing having a first through hole penetrating the upper and lower surfaces on one side, and slides along the longitudinal direction of the first housing to open the entrance door. A first switch in which a first connection end connected to the moving member rotatably connected to the first switch is provided to protrude from the lower part of the first housing, and is installed in the first housing to connect the first switch to the first rod through a first rod. It may include a first damper that is connected to one side and provides power to move the moving member when the access door is closed, and the second automatic opening and closing means is installed on the frame part and has an upper surface and a lower surface on one side. A second housing in which a second penetrating hole is formed, and a second connection end that slides along the longitudinal direction of the second housing and is connected to the first automatic opening and closing means, protrudes from the lower part of the second housing. It may include a second switch and a second damper installed in the second housing, connected to one side of the second switch through a second rod, and providing power to move the second switch.

A first slide movement groove through which the first switch slides may be formed on both inner sides of the first housing, and a first slide movement groove may be formed on the upper surface of the first housing to fix the first switch. A first fixing groove may be formed.

A first fastening groove may be formed on the lower surface of the first housing to which the first connection end on one side of the first switch protruding from the lower part of the first housing is fastened when the first switch is fixed to the first fixing groove. On both sides of the first switch, first moving protrusions and first fixing protrusions inserted into the first slide moving groove and the first fixing groove may protrude to be spaced apart, and protrude to the lower portion of the first housing. The moving member may be inserted between the first connection end on one side and the connection end on the other side of the first switch to connect the first switch and the moving member.

According to the folding swing middle door with a damper according to the present invention, when the user applies an external force to open the door part and slides the access door to one side, the access door and the support door are rotated and then opened and closed by the opening and closing fixing part in a folded state. It is fixed to the lower part of one side of the unit, and when the door is closed, the access door can be slid to the other side. After a certain point, the access door is closed without the user applying external force due to the opening/closing fixing part, thereby improving user convenience.

Figure 1 is a diagram showing a folding swing middle door with a damper attached according to an embodiment of the present invention.
Figure 2 is a diagram schematically showing the process of opening the folding swing middle door with the damper attached shown in Figure 1.
FIG. 3 is a view showing the moving member and the first automatic opening and closing means of the opening and closing fixing unit shown in FIG. 2.
FIGS. 4 to 6 are diagrams schematically showing a state in which the door portion is moved and rotated within the frame portion by the automatic opening and closing portion shown in FIG. 2 when the door portion is opened.
FIGS. 7 and 8 are diagrams schematically showing a state in which the door portion is rotated and moved within the frame portion by the automatic opening and closing portion shown in FIG. 2 when the door portion is closed.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings. Prior to this, the terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor should appropriately define the concept of terms in order to explain his or her invention in the best way. It must be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of definability.

Referring to FIG. 1, the folding swing door 100 with a damper attached according to an embodiment of the present invention is installed on the ceiling surface of an indoor installation space to automatically open, close, and then fix the folding swing door. The frame portion 1100 ), a door part 1200, and an opening/closing fixing part 1300.

The frame unit 1100 includes a horizontal fixed frame 1110 and a guide rail 1120. The horizontal fixed frame 1110 is installed on the ceiling of the indoor installation space, and the guide rail 1120 is installed on the ceiling of the indoor installation space. The guide rail 1120 is provided at the lower part of the horizontal fixed frame 1110 in the longitudinal direction of the horizontal fixed frame 1110.

The horizontal fixing frame 1110 includes a fixing plate 1111 and a protruding plate 1112. The fixing plate 1111 is fixed to the ceiling surface of the indoor installation space, and the protruding plate 1112 protrudes downward on both sides of the fixing plate 1111, and the fixing plate 1111 and the protruding plate 1112 ) is formed integrally, and the guide rail 1120 protrudes from the protruding plate 1112 toward the central portion of the fixing plate 1111, and the end of the guide rail 1120 is preferably bent.

The protruding plate 1112 protruding downward from both sides of the fixing plate 1111 includes a first protruding plate 1112a protruding downward from one side of the fixing plate 1111, and the other side of the fixing plate 1111. It includes a second protruding plate 1112b that protrudes downward.

The guide rail 1120 includes a first guide rail 1121 and a second guide rail 1122, and the first guide rail 1121 is connected to the first protrusion plate 1112a and the second protrusion plate. It is preferable that the second guide rail 1122 protrudes in the direction (1112b) and has an end bent in the direction of the fixing plate 1111, and has a shape corresponding to the first guide rail 1121.

The first protruding plate 1112a and the second protruding plate 1112b include a first support protrusion 1112a-1 and a second support protrusion 1112a-1 that supports the automatic opening and closing means 1320 of the opening and closing fixing part 1300, which will be described later, from the bottom. A support protrusion (1112b-1) protrudes, and the first support protrusion (1112a-1) and the second support protrusion (1112b-1) are the second protrusion plate (1112b) and the first protrusion plate (1112a), respectively. ) direction.

Referring to Figures 1 and 2, a door part 1200 is installed at the lower part of the frame part 1100, and the door part 1200 includes a support door 1210, an entrance door 1220, and a rotation guide. Includes member 1230. The support door 1210 is rotatably connected to the frame portion 1100, and one side of the rotary door 1210 is rotatably connected to one side of the entrance door 1220 by a rotation guide member 1230. .

A first fixed shaft 1211 and a second fixed shaft 1212 protrude outward from the upper and lower surfaces of the other side of the support door 1210, one side of which is connected to the access door 1220, and the support door ( The support door 1210 rotates on the frame part 1100 and the floor of the installation space by the first fixed axis 1211 and the second fixed axis 1212 that protrude upward and downward from the other side of the 1210). It can be fixed if possible.

The access door 1220, which is rotatably connected to one side of the support door 1210, is rotatably connected to the frame portion 1100 while sliding in the longitudinal direction of the horizontal fixed frame 1110, and the access door 1220 is rotatably connected to the frame portion 1100. The rotation axis 1221 protrudes from the top of the door 1220. The rotation axis 1221 moves between the first guide rail 1121 and the second guide rail 1122 when the access door 1220 slides, and the rotation axis 1221 operates as an opening/closing fixing unit 1300 to be described later. ) is preferably connected to the moving member 1310.

One side of the support door 1210 and one side of the access door 1220 are rotatably connected by a rotation guide member 1230, and the support door 1210 and the access door 1220 are connected by the rotation guide member 1230. As the door 1220 is connected, the support door 1210 and the access door 1220 are rotatably connected in both directions.

On one side of the support door 1210 and on one side of the access door 1220 connected to one side of the support door 1210, there is a support door mounting hole 1213 and an access door on which the rotation guide member 1230 is mounted, respectively. It is preferable that the mounting hole 1222 is formed in the longitudinal direction of the support door 1210 and the access door 1220.

The rotation guide member 1230, which rotatably connects the support door 1210 and the access door 1220, includes a first rotation guide shaft 1231, a second rotation guide shaft 1232, and a fastening body ( 1233).

The first rotation guide shaft 1231 and the second rotation guide shaft 1232 are provided to be spaced apart, and the first rotation guide shaft 1231 and the second rotation guide shaft 1232 are provided by a fastening means (not shown). It is rotatably fastened to the fastening body 1233, and the first rotation guide shaft 1231 and the second rotation guide shaft 1232 are respectively connected to the support door mounting hole 1213 and the access door mounting hole 1222. ), the support door 1210 and the access door 1220 are rotatably connected in both directions by the rotation guide unit 1230.

The horizontal fixing frame 1100 is provided with an opening and closing fixing part 1300, and the door part 1200 is automatically opened and closed and fixed by the opening and closing fixing part 1300, and the opening and closing fixing part 1300 is It includes a moving member 1310 and an automatic opening and closing means 1320.

The moving member 1310 moves on the guide rail 1120, and the moving member 1310 is rotatably connected to a rotation axis 1221 protruding from the top of the access door 1220, and the moving member ( 1310 and the access door 1220 are rotatably connected by the rotation axis 1221, so that even if the entrance door 1220 rotates around the rotation axis 1221, the moving member 1310 is connected to the guide rail ( 1120).

The moving member 1310 is connected to an automatic opening and closing means 1320, and the automatic opening and closing means 1320 automatically rotates the support door 1210 and opens the door part 1200. ), it automatically slides and moves the access door 1220 when the door is closed, and then serves to fix the rotated support door 1210 and the sliding access door 1220.

The automatic opening and closing means 1320, which automatically opens and closes the door part 1200 and fixes it when the door part 1200 is opened or closed, includes a first automatic opening and closing means 1321 and a second automatic opening and closing means 1322. ) includes. The first automatic opening and closing means 1321 and the second automatic opening and closing means 1322 are arranged to have a shape corresponding to the frame portion 1100, and the first automatic opening and closing means 1321 and the second automatic opening and closing means It is preferable that an air cylinder is used as the opening and closing means 1322.

Referring to Figures 2 and 3, the first automatic opening and closing means 1321 is provided on the frame portion 1100, and the first automatic opening and closing means 1321 is connected to the access door 1220 and the rotation shaft 1221. It is selectively connected to the moving member 1310 connected by . The first automatic opening and closing means 1321 serves to automatically close the access door 1220 when an external force is applied to close the open door part 1200 and then provide power to fix the closed door 1220. do.

The second automatic opening and closing means 1322 is provided to be spaced apart from the first automatic opening and closing means 1321 in the frame portion 1100, and the moving member 1310 is disconnected from the first automatic opening and closing means 1321. ), and the second automatic opening and closing means 1322 automatically rotates the support door 1210 when an external force is applied to open the door portion 1200 and fixes the rotated support door 1210. It plays a role in providing the driving force.

The first automatic opening and closing means 1321 includes a first housing 1321a, a first switch 1321b, and a first damper 1321c. The first housing 1321a includes a first support protrusion 1112a-1 and a second support protrusion (1112a-1) provided to protrude from the first protrusion plate 1112a and the second protrusion plate 1112b of the frame portion 1100. 1112b-1), and a first through hole 1321a-1 is formed in the first housing 1321a to penetrate the upper and lower surfaces of the first housing 1321a.

A first switch (1321b) is provided inside the first housing (1321a) and slides along the longitudinal direction of the first housing (1321a), and the first switch (1321b) has a first connection end (1321b- 1) It is provided to protrude on one side. The first connection end 1321b-1 protrudes from the lower part of the first housing 1321a and is connected to the moving member 1310 rotatably connected to the access door 1220. The moving member 1310 is positioned between one connection end protruding from the lower part of the first housing 1321a and the other connection end, so that the moving member 1310 and the first switch 1321b are connected, and the first switch 1321b is connected to the first switch 1321b. As the switch 1321b slides inside the first housing 1321a, the access door 1220 moves in the direction in which the first switch 1321b moves and opens or closes.

A first damper (1321c) is installed inside the first housing (1321a), and the first damper (1321c) slides inside the first housing (1321a) through the first rod (1321c-1). It is connected to a possible first switch (1321b). The first damper 1321c provides a force to protrude the first rod 1321c-1 connected to the first switch 1321b to the outside of the first damper 1321c. When a force greater than the force causing the first damper 1321c to protrude the first rod 1321c-1 in the opposite direction is applied to the first rod 1321c-1, the first rod (1321c-1) 1321c-1 is inserted into the inside of the first damper 1321c, and when the applied force is released, the first rod 1321c-1 protrudes to the outside of the first damper 1321c-1, The first damper 1321c serves to provide power to automatically move the moving member 1310 when the access door 1220 is closed.

Referring to Figures 3 to 6, the second automatic opening and closing means 1322 includes a second housing (1322a), a second switch (1322b), and a second damper (1322c). Since the second housing 1322a and the second damper 1322c are the same as the first housing 1321a and the first damper 1321c, detailed description thereof will be omitted.

A second switch (1322b) is provided inside the second housing (1322a) and slides in the longitudinal direction of the second housing (1322a), and at one end of the second switch (1322b) is a second connection end (1322b). -1) is provided, and the moving member 1310, which is disconnected from the first automatic opening and closing means 1321, is located between one side and the other side of the second connection end 1322b-1, thereby providing a second automatic opening and closing means. (1322) and the moving member 1310 are connected.

First slide movement grooves 1321a-2 are formed on both inner sides of the first housing 1321a to guide the slide movement of the first switch 1321b, and a first slide movement groove 1321a-2 is formed on the upper surface of the first housing 1321a. 1Fixing groove 1321a-3 is formed. The first fixing groove (1321a-3) communicates with the first slide moving groove (1321a-2) and serves to fix the first switch (1321b) that is slidably moved inside the first housing (1321a). Preferably, the first fixing groove (1321a-3) communicates roundly to have a semicircular shape at the end of the first slide moving groove (1321a-2).

The first slide moves on both sides of the switch 1321b, which slides in the longitudinal direction of the first housing 1321a through the first slide movement groove 1321a-2 inside the first housing 1321a. The first moving protrusion 1321b-2 and the first fixing protrusion 1321b-3, which move into the groove 1321a-2, protrude outward.

A first fastening groove (1321a-4) is formed on the lower surface of the first housing (1321a), and the first fastening groove (1321a-4) has a first fixing protrusion (1321b-) of the first switch (1321b). 3) When fixed to the first fixing groove (1321a-3), one side of the first connection end (1321b-1) protrudes to the lower part of the first switch (1321b) and is exposed to the first housing (1321a). This is inserted and fastened.

When one side of the first connection end (1321b-1) is inserted into the first fastening groove (1321a-4), the first switch (1321b) rotates inside the first housing (1321a) and the first switch (1321b-1) is inserted into the first fastening groove (1321a-4). The first fixing protrusion 1321b-3 of 1321b) is inserted into the first fixing groove 1321a-3 which communicates roundly to have a semicircular shape at the end of the first slide moving groove 1321a-2.

Referring to FIGS. 4 to 6, when the door unit 1200 is opened, the force F1 by which the user slides the access door 1220 is applied to the first damper 1321c by the first rod 1321c- 1), if the force F2 protruding outward is greater than the first switch 1321b connected to the moving member 1310 and the first connection end 1321b-1 of the first housing 1321a. It slides and moves internally in the direction of the first damper (1321c). The first switch (1321b), which moves through the first slide movement groove (1321a-2), passes a point that communicates roundly to have a semicircular shape at the end of the first slide movement groove (1321a-2). It rotates, and the first fixing protrusion (1321b-3) is inserted into the first fixing groove (1321a-3). The first fixing protrusion (1321b-3) is inserted into and fixed to the first fixing groove (1321a-3), thereby causing the first damper (1321c) to protrude the first rod (1321c-1) outward ( Even if F2) acts, the first rod (1321c-1) does not protrude to the outside of the first damper (1321c).

When the first fixing protrusion (1321b-3) is inserted into the first fixing groove (1321a-3), one side of the first connection end (1321b-1) is inserted into the first fastening groove (1321a-4) The connection between the first switch 1321 and the moving member 1310 is disconnected, and the moving member 1310 uses a force (F1) by which the user slides the access door 1220 to open the door 1220. ) moves along the guide rail 1120.

The moving member 1310 moves and comes into close contact with the other side of the second connection end 1322b-1, one side of which is fastened to the second fastening groove 1322a-4 of the second housing 1322a, and the user enters and exits the space. The second connection fastened to the second fastening groove 1322a-4 as the moving member 1310 moves by the force F1 that slides the access door 1220 to open the door 1220. One side of the stage 1322b-1 is separated from the second fastening groove 1322a-4.

At the same time that one side of the second connection end (1322b-1) is separated from the second fastening groove (1322a-4), the second fixing protrusion (1322b-3) inserted into the second fixing groove (1322a-3) is It deviates from the second fixing groove 1322a-3, and as a result, the second rod 1322c-1 inserted into the second damper 1322c protrudes out of the second damper 1322c.

The second switch (1322b) to which the second rod (1322c-1) is connected slides and moves inside the second housing (1322a) by the force of the second damper (1322c), and the second switch (1322b) ) The moving member 1310 connected to the support door 1210 is rotated and folded while automatically moving along the guide rail 1120 and automatically rotating the access door 1220 and the support door 1210. and the access door 1220 is fixed.

Referring to Figures 6 to 8, when closing the door part 1200 fixed to one side of the frame part 1100 in a folded state, the user exerts a force (F1) to slide the access door 1220. If the second damper (1322c) is greater than the force (F2) causing the second rod (1322c-1) to protrude outward, the moving member (1310) is connected to the second connection end (1322b-1). The second switch (1322b) is slidably moved in the direction of the second damper (1321c) inside the second housing (1321a).

The second switch (1322b), which moves through the second slide movement groove (1322a-2), passes a point that communicates roundly to have a semicircular shape at the end of the second slide movement groove (1322a-2). It rotates, and the second fixing protrusion (1322b-3) is inserted into the second fixing groove (1322a-3). The second fixing protrusion (1322b-3) is inserted and fixed into the second fixing groove (1322a-3), thereby causing the second damper (1322c) to protrude the second rod (1322c-1) outward ( Even if F2) acts, the second rod 1322c-1 does not protrude to the outside of the second damper 1322c.

When the second fixing protrusion (1322b-3) is inserted into the second fixing groove (1322a-3), one side of the second connecting end (1322b-1) is inserted into the second fastening groove (1322a-4). The connection between the second switch 1322 and the moving member 1310 is disconnected, and the moving member 1310 uses a force (F1) by which the user slides the access door 1220 to close the door 1220. ) moves in the direction of the first automatic opening and closing means (1321) along the guide rail (1120).

The moving member 1310 moves and comes into close contact with the other side of the first connection end (1321b-1), one side of which is fastened to the first fastening groove (1321a-4) of the first housing (1321a), and the user enters and exits the The first connection fastened to the first fastening groove 1321a-4 as the moving member 1310 moves by the force F1 that slides the access door 1220 to close the door 1220. One side of the stage 1321b-1 is separated from the first fastening groove 1322a-1.

At the same time that one side of the first connection end (1321b-1) is separated from the first fastening groove (1321a-4), the first fixing protrusion (1321b-3) inserted into the first fixing groove (1321a-3) is It deviates from the first fixing groove 1321a-3, and as a result, the first rod 1321c-1 inserted into the first damper 1321c protrudes out of the first damper 1322c.

The first switch (1321b) to which the first rod (1321c-1) is connected slides and moves inside the first housing (1321a) by the force of the first damper (1321c), and the first switch (1321b) ) The moving member 1310 connected to automatically moves along the guide rail 1120, automatically moves the access door 1220 and the support door 1210, and automatically closes the access door 1220. do.

Therefore, when the user applies an external force to open the door unit 1200 and slides the access door 1220 to one side, the access door 1220 and the support door 1210 are rotated and then folded. It is automatically fixed to the lower part of one side of the frame part 1100 by the automatic opening and closing means 1320 of the opening and closing fixing part 1300, and when the door part 1200 is closed, the access door 1220 slides to the other side. If so, the access door 1220 is automatically closed by the opening/closing fixing unit 1300 after a certain point without the user applying external force, thereby improving user convenience.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely illustrative, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true scope of technical protection of the present invention should be determined by the technical spirit of the attached patent claims.

100: Folding swing middle door with damper attached 1100: Frame part
1110: Horizontal fixed frame 1111: Fixed plate
1112: Protrusion plate 1120: Guide rail
1121: first guide rail 1122: second guide rail
1200: Door part 1210: Support door
1220: Entry door 1230: Rotation guide member
1231: 1st rotation guide axis 1232: 2nd rotation guide axis
1233: Fastening body 1300: Opening/closing fixing unit
1310: Moving member 1320: Automatic opening and closing means
1321: First automatic opening and closing means 1322: Second automatic opening and closing means

Claims (11)

A frame unit including a horizontal fixed frame installed on the ceiling of the installation space and a guide rail provided in the longitudinal direction at the lower part of the horizontal fixed frame;
A support door installed at the lower part of the frame and rotatably connected to the frame, an access door rotatably connected to the frame while sliding in the longitudinal direction of the horizontal fixed frame, the support door and the A door portion including a rotation guide member rotatably connected to the entrance door in both directions; and
A moving member that moves on the guide rail and is connected to the access door, rotates the support door when opening the door unit and slides the access door when closing the door unit, and then rotates the support door and the moved access door. A folding swing double door equipped with a damper that includes an opening and closing fixture that includes an automatic opening and closing means that secures the door.
In claim 1,
The horizontal fixed frame is,
A fixing plate fixed to the ceiling of the installation space,
It includes protruding plates protruding downward from both sides of the fixing plate,
The protruding plate is provided with the guide rail that protrudes toward the center of the fixing plate,
The end of the guide rail is a folding swing door with a bending damper attached.
In claim 2,
The protruding plate is,
A first protruding plate protruding downward from one side of the fixing plate,
It includes a second protruding plate protruding downward from the other side of the fixing plate,
The guide rail is,
a first guide rail that protrudes from the first protruding plate in the direction of the second protruding plate and whose end is bent in the direction of the fixing plate;
A folding swing middle door with a damper attached, including a second guide rail that has a shape corresponding to the first guide rail and protrudes from the second protruding plate in the direction of the first protruding plate.
In claim 3,
A folding swing middle door with a damper attached, characterized in that when the access door is opened and closed between the first guide rail and the second guide rail, the access door protrudes to the top of the access door and the rotation axis connected to the moving member moves.
In claim 3,
The first protruding plate and the second protruding plate have a first support protrusion and a second support protrusion supporting the automatic opening and closing means from the bottom, respectively, and a foldable swing with a damper attached thereto protruding in the direction of the second plate and the first plate, respectively. Jungmun.
In claim 1,
On the upper and lower surfaces of the other side of the support door, one side of which is connected to the access door by the rotation guide member, a first fixed shaft rotatably fixes the support door to the frame portion and the floor of the installation space. and the second fixed axis protrudes,
On one side of the support door and on one side of the access door connected to one side of the support door, a support door mounting hole and an access door mounting hole on which the rotation guide member is mounted are formed in the longitudinal direction of the support door and the access door, respectively. A folding swing door with an attached damper.
In claim 6,
The rotation guide member,
A first rotation guide shaft and a second rotation guide shaft mounted on the support door mounting hole and the access door mounting hole,
A foldable swing middle door with a damper attached, including a fastening body rotatably fastened to the first and second rotary guide shafts and a fastening means.
In claim 1,
The automatic opening and closing means is,
The access door is provided in the frame part and selectively connected to the moving member connected to the access door, and automatically closes the access door when an external force is applied to close the door part when connected to the moving member. A first automatic opening and closing means that provides power to fix the
The moving member, which is provided in the frame part to be spaced apart from the first automatic opening and closing means and is disconnected from the first automatic opening and closing means, is selectively connected to the connection, and when connected to the moving member, an external force is applied to open the door portion. When applied, it includes a second automatic opening and closing means that automatically rotates the support door and then provides power to fix the rotated support door,
A folding swing middle door with a damper in which the first automatic opening and closing means and the second automatic opening and closing means are arranged to have a shape corresponding to the frame portion.
In claim 8,
The first automatic opening and closing means is,
A first housing installed on the frame unit and having a first through hole penetrating the upper and lower surfaces on one side,
A first switch that slides along the longitudinal direction of the first housing and has a first connection end connected to the moving member rotatably connected to the access door to protrude from a lower portion of the first housing;
A first damper installed in the first housing, connected to one side of the first switch through a first rod, and providing power to move the moving member when the access door is closed,
The second automatic opening and closing means is,
A second housing installed on the frame unit and having a second through hole penetrating the upper and lower surfaces on one side,
A second switch that slides along the longitudinal direction of the second housing and has a second connection end connected to the first automatic opening and closing means to protrude from the lower part of the second housing;
A foldable swing middle door with a damper attached, including a second damper installed in the second housing, connected to one side of the second switch through a second rod, and providing power to move the second switch.
In claim 9,
First slide movement grooves through which the first switch slides are formed on both inner sides of the first housing,
A foldable swing middle door with a damper attached to the upper surface of the first housing, which communicates with the first slide moving groove and has a first fixing groove for fixing the first switch.
In claim 10,
A first fastening groove is formed on the lower surface of the first housing into which the first connection end on one side of the first switch protruding from the lower part of the first housing is fastened when the first switch is fixed to the first fixing groove,
On both sides of the first switch, first moving protrusions and first fixing protrusions inserted into the first slide moving groove and the first fixing groove protrude to be spaced apart,
A foldable swing with a damper attached, characterized in that the moving member is inserted between the first connecting end on one side and the connecting end on the other side of the first switch protruding from the lower part of the first housing, so that the first switch and the moving member are connected. Jungmun.

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