WO2024090621A1 - Appareil d'ouverture/fermeture automatique de porte - Google Patents

Appareil d'ouverture/fermeture automatique de porte Download PDF

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Publication number
WO2024090621A1
WO2024090621A1 PCT/KR2022/016650 KR2022016650W WO2024090621A1 WO 2024090621 A1 WO2024090621 A1 WO 2024090621A1 KR 2022016650 W KR2022016650 W KR 2022016650W WO 2024090621 A1 WO2024090621 A1 WO 2024090621A1
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WO
WIPO (PCT)
Prior art keywords
side wall
housing
piston
door
internal
Prior art date
Application number
PCT/KR2022/016650
Other languages
English (en)
Korean (ko)
Inventor
김용준
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2022/016650 priority Critical patent/WO2024090621A1/fr
Publication of WO2024090621A1 publication Critical patent/WO2024090621A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/614—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes

Definitions

  • the present invention relates to an automatic door opening and closing device.
  • a door for example, an entrance door to a house
  • a door closer that closes the door.
  • the user unlocks the closed door using a door key or door card, and opens the door by pulling or pushing the door handle.
  • a conventional door closer connected to the door can close the door even if the user releases the door handle.
  • the door closer has a hydraulic control valve, and the closing speed of the door can be adjusted by adjusting the hydraulic control valve.
  • the door lock when the door lock is unlocked, the door needs to be automatically opened to allow the user to enter or exit, or automatically closed to allow the lock to be locked.
  • the user is holding an object in both hands, or the door needs to open and close on its own when the user unlocks the lock inside the house.
  • the purpose of the present invention is to provide an automatic door opening and closing device that automatically opens or closes the door.
  • An automatic door opening and closing device includes a housing, an internal support unit, a piston assembly, an internal support drive unit, and a piston drive unit.
  • the housing is connected to the door and contains fluid therein.
  • the internal support portion is disposed inside the housing and is movable.
  • the piston assembly is disposed inside the housing, is connected to an internal support, and is movable.
  • the internal support drive unit is connected to the internal support unit and moves the internal support unit.
  • the piston driving unit is connected to the fixture and the piston assembly and moves the piston assembly.
  • the housing includes first to fourth side walls.
  • the second side wall faces the first side wall.
  • the third side wall connects one side of the first side wall and the second side wall.
  • the fourth side wall connects the other side of the first side wall and the second side wall and faces the third side wall.
  • the housing is provided with a first relief pipe, a second relief pipe, a first hydraulic pipe, and a second hydraulic pipe.
  • the first relief tube is connected to the first side wall and disposed adjacent to the third side wall.
  • the second relief tube is connected to the first side wall and disposed adjacent to the fourth side wall.
  • the first hydraulic tube is connected to the second side wall and is disposed adjacent to the third side wall.
  • the second hydraulic tube is connected to the second side wall and is disposed adjacent to the fourth side wall.
  • the first relief pipe, the second relief pipe, the first hydraulic pipe, and the second hydraulic pipe communicate with the interior of the housing.
  • a hydraulic valve that regulates the hydraulic pressure of the hydraulic pipe is disposed in each of the first hydraulic pipe and the
  • the internal support unit includes a first internal support unit, a second internal support unit, and a connection support unit.
  • the first internal support unit is connected to the internal support driving unit.
  • the second inner support portion faces the first inner support portion and is connected to the piston assembly.
  • the connection support portion connects the first inner support portion and the second inner support portion.
  • the connection support part includes a first hole and a second hole. The first hole is formed through a position adjacent to the first internal support part.
  • the second hole is formed through a position adjacent to the second internal support part.
  • the piston assembly includes a first piston, a second piston, an upper connection part, a lower connection part, and an elastic member.
  • the second piston is arranged to be spaced apart from the first piston at a preset distance.
  • the upper connection part connects one side of the first piston and one side of the second piston.
  • the lower connection part connects the other side of the first piston and the other side of the second piston.
  • the elastic member is disposed between the second piston and the inner support and is connected to the second piston and the inner support.
  • the first piston includes a first check valve disposed to penetrate the first piston in the thickness direction of the first piston.
  • the second piston includes a second check valve disposed through the second piston in the thickness direction of the second piston.
  • the lower connection portion includes gear teeth.
  • the gear teeth are engaged with the rotating gear of the piston drive unit.
  • the internal space of the housing is divided into a first chamber, an intermediate chamber, and a second chamber.
  • the first chamber is a space between the third side wall and the first piston.
  • the intermediate chamber is the space between the first piston and the second piston.
  • the second chamber is a space between the second piston and the fourth side wall.
  • the elastic member is disposed between the second piston and the second internal support and is connected to the second piston and the second internal support.
  • the internal support drive unit includes a motor, a linear gear, and a connecting gear.
  • the motor is fixed to the housing or door.
  • the linear gear is connected to the rotation axis of the motor.
  • the connecting gear connects the linear gear and the internal support and moves by driving a motor.
  • the piston driving unit includes a rotating gear and a connecting link.
  • the rotating gear is disposed inside the housing and meshes with gear teeth formed on the piston assembly.
  • One end of the connection link is connected to the rotating gear, and the other end is connected to the fixed body.
  • the automatic door opening and closing device further includes a control unit.
  • the control unit controls the internal support driving unit.
  • the control unit controls the internal support drive unit to operate when a door open signal or a door close signal is input.
  • An automatic door opening and closing device includes a housing, an internal moving part, a damper assembly, a damper driving part, and a body driving part.
  • the housing is connected to the door.
  • the internal moving part is disposed inside the housing and is movable.
  • the damper assembly is connected to the internal moving part and adjusts the speed of the internal moving part.
  • the damper driving unit is connected to the damper assembly.
  • the body driving part is connected to the fixed body and the internal moving part, and moves the internal moving part.
  • the housing includes a first side wall, a second side wall, a third side wall, and a fourth side wall.
  • the second side wall faces the first side wall.
  • the third side wall connects one side of the first side wall and the second side wall.
  • the fourth side wall connects the other side of the first side wall and the second side wall and faces the third side wall.
  • the housing includes a first slot, a second slot, a third slot, and a linear guide.
  • the first slot is formed in the first side wall and disposed adjacent to the third side wall.
  • the second slot is formed in the first side wall and disposed adjacent to the fourth side wall.
  • the third slot is formed in the second side wall and is disposed at a position facing the second slot.
  • One end and the other end of the linear guide are respectively connected to the inner surface of the third side wall and the inner surface of the fourth side wall.
  • the internal moving part moves along the linear guide.
  • the internal moving part includes a body, damper contact teeth, gear teeth, and an elastic member.
  • the body can move along a linear guide disposed in the inner space of the housing.
  • the damper contact teeth are formed to a preset length on one side of the body.
  • the gear teeth are formed to a preset length on one side of the body.
  • the elastic member is disposed between the body and the damper assembly.
  • the damper assembly includes a pair of rotary dampers, a joint link, an intermediate link, and a support link.
  • the pair of rotary dampers are disposed on the outside of the housing and engage with the internal moving part.
  • the joint link is connected to a pair of rotary dampers and can rotate.
  • the intermediate link is connected to the next link.
  • the support link is disposed to penetrate the interior of the housing and is connected to the intermediate link.
  • the pair of rotary dampers includes a first rotary damper and a second rotary damper.
  • the first rotary damper is a clockwise rotary damper
  • the second rotary damper is a counterclockwise rotary damper.
  • the damper contact teeth engage a pair of rotary dampers.
  • the elastic member is disposed between the body and the support link and is connected to the body and the support link.
  • the damper driving unit includes a motor, a linear gear, and a connecting gear.
  • the motor is fixed to the housing or door.
  • the linear gear is connected to the rotation axis of the motor.
  • the connecting gear connects the linear gear and the damper assembly and moves by driving a motor.
  • the body drive unit includes a rotating gear and a connecting link.
  • the rotating gear is disposed inside the housing and engages gear teeth formed on the internal moving part.
  • One end of the connecting link is connected to the rotating gear and the other end is connected to the fixed body.
  • the automatic door opening and closing device further includes a control unit.
  • the control unit controls the damper driving unit.
  • the control unit controls the damper driving unit to operate when a door open signal or a door close signal is input.
  • the automatic door opening and closing device has the effect of automatically opening a closed door or automatically closing an open door.
  • Figure 1 shows an automatic door opening and closing device according to an example according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view schematically showing the housing 10 of FIG. 1.
  • Figure 3 is a cross-sectional view schematically showing the inner support part of Figure 1.
  • Figure 4 is a cross-sectional view schematically showing the piston assembly of Figure 1.
  • Figure 5 is a cross-sectional view schematically showing the automatic door opening and closing device of the present invention in a closed state.
  • Figure 6 shows a state in which the internal support drive unit operates in a state in which the door is closed and the internal support unit moves in one direction.
  • Figure 7 shows a state in which the piston assembly moves and the door is opened.
  • Figure 8 shows a state in which the inner support drive unit operates while the door is open and the inner support unit moves in one direction opposite to the other.
  • Figure 9 shows an automatic door opening and closing device according to an example according to a second embodiment of the present invention.
  • FIG. 10 is a cross-sectional view schematically showing the housing 100 of FIG. 9.
  • Figure 11 is a cross-sectional view schematically showing the internal moving part of Figure 9.
  • FIG. 12 schematically shows the damper assembly of Figure 9.
  • Figure 13 is a cross-sectional view schematically showing the automatic door opening and closing device of the present invention in a closed state.
  • Figure 14 shows a state in which the damper drive unit operates with the door closed and the support link of the damper assembly moves in one direction.
  • Figure 15 shows a state in which the internal moving part moves and the door is opened.
  • Figure 16 shows a state in which the damper drive unit operates with the door open and the support link of the damper assembly moves in one direction opposite to the other.
  • a conventional door closer can close an open door, it has a problem in that it cannot automatically open a closed door.
  • the automatic door opening and closing device described in this specification can automatically open a closed door or automatically close an open door for user convenience.
  • Figure 1 shows an automatic door opening and closing device according to an example according to the first embodiment of the present invention
  • Figure 2 is a cross-sectional view schematically showing the housing 10 of Figure 1.
  • the automatic door opening and closing device includes a housing (10), an internal support part (20), a piston assembly (30), and an internal support drive part ( 40) and a piston driving unit 50.
  • the housing 10 forms the exterior of the automatic door opening and closing device of the present invention.
  • the housing 10 includes a first side wall 11 that forms the exterior of the automatic door opening and closing device of the present invention, a second side wall 12 facing the first side wall 11, the first side wall 11 and the A third side wall 13 connecting one side of the second side wall 12, a fourth side wall connecting the first side wall 11 and the other side of the second side wall 12 and facing the third side wall 13. It includes a side wall 14, a fifth side wall (not shown), and a sixth side wall (not shown). 1 and 2, the first side wall 11 represents the upper side wall, the second side wall 12 represents the lower side wall, the third side wall 13 represents the left wall, and the fourth side wall (14) represents the right side wall, the fifth side wall represents the front side wall, and the sixth side wall represents the rear side wall.
  • the first side wall 11 represents a side wall (upper side wall) that forms the upper surface of the housing 10.
  • the second side wall 12 represents a side wall (lower side wall) that forms the lower surface of the housing 10.
  • the fifth side wall represents a side wall (front side wall) that forms the front of the housing 10, and connects one side of the first side wall 11 and one side of the second side wall 12 in the front-back direction.
  • the sixth side wall represents a side wall (rear side wall) representing the rear side of the housing 10, and connects the other side of the first side wall 11 and the other side of the second side wall 12 in the front-back direction.
  • the third side wall 13 represents a side wall (left side wall) forming the left side of the housing 10, and the first side wall 11, the second side wall 12, and the fifth side wall are formed in the left and right direction (horizontal direction). and one side of each of the sixth side walls.
  • the fourth side wall 14 represents a side wall (right side wall) forming the right side of the housing 10, and in the left and right direction (horizontal direction), the first side wall 11, the second side wall 12, the fifth side wall, and The other side of each of the sixth side walls is connected.
  • the other side represents the side that is opposed to one side.
  • the first side wall 11, the second side wall 12, the third side wall 13, the fourth side wall 14, the fifth side wall, and the sixth side wall may be formed as a whole in a circular or oval shape, or It may include a partially circular or oval shape.
  • the housing 10 is formed in the shape of a hollow polygonal cylinder having a preset length in one direction.
  • the polygonal cylinder shape may partially include a circular shape or an elliptical shape.
  • the one direction refers to the left and right direction (horizontal direction) in FIGS. 1 and 2, for example.
  • the housing 10 contains fluid therein.
  • the fluid is accommodated in a space formed inside the housing 10 (this is referred to as 'internal space'), which will be described later.
  • the housing 10 has an internal space.
  • the housing 10 has an internal space having a preset length in one direction (eg, horizontal direction).
  • the internal space is formed surrounded by the first side wall 11, the second side wall 12, the third side wall 13, the fourth side wall 14, the fifth side wall, and the sixth side wall of the housing 10.
  • the internal space not only the fluid but also the internal support part 20 and the piston assembly 30 are disposed.
  • the housing 10 includes a first relief pipe 15, a second relief pipe 16, a first hydraulic pipe 17, and a second hydraulic pipe 18.
  • the first relief pipe 15 is formed in a pipe shape with a preset length in one direction.
  • the first relief pipe 15 is connected to the housing 10 and communicates with the interior of the housing 10.
  • the inside of the housing 10 represents the internal space of the housing 10.
  • Fluid may travel through the first relief tube (15). That is, the fluid inside the housing 10 can move in one direction or in the opposite direction along the passage (flow path) formed inside the first relief pipe 15.
  • the first relief tube 15 is disposed on the third side wall 13 side of the housing 10. In other words, the first relief tube 15 is disposed adjacent to the third side wall 13.
  • 'position adjacent to the third side wall 13' indicates that the first relief pipe 15 is located far from the fourth side wall 14 and close to the third side wall 13.
  • the first relief pipe 15 includes one end 151 and the other end 152 opposite to the one end 151.
  • the one end 151 is connected to the housing 10 at a position spaced apart from the third side wall 13 by a preset distance and communicates with the inside of the housing 10.
  • the other end 152 is connected to the housing 10 at a position spaced apart from the one end 151 by a preset distance in the direction of the fourth side wall 14, and communicates with the inside of the housing 10.
  • the first relief pipe 15 is connected to the first side wall 11 of the housing 10, but is not necessarily limited to the first side wall 11 of the housing 10.
  • the first relief pipe 15 may be connected to the second side wall 12, the fifth side wall, or the sixth side wall of the housing 10 and communicate with the inside of the housing 10, depending on the embodiment.
  • the second relief tube 16 is formed in a tube shape with a preset length in one direction.
  • the second relief pipe 16 is connected to the housing 10 and communicates with the interior of the housing 10.
  • the inside of the housing 10 represents the internal space of the housing 10.
  • Fluid may travel through the second relief tube (16). That is, the fluid inside the housing 10 can move in one direction or in the opposite direction along the passage (flow path) formed inside the second relief pipe 16.
  • the second relief tube 16 is disposed on the fourth side wall 14 side of the housing 10.
  • the second relief tube 16 is disposed adjacent to the fourth side wall 14.
  • 'position adjacent to the fourth side wall 14' indicates that the second relief pipe 16 is located far from the third side wall 13 and close to the fourth side wall 14.
  • the second relief pipe 16 includes one end 161 and an other end 162 opposite to the one end 161.
  • the one end 161 is connected to the housing 10 at a position spaced apart from the other end 152 of the first relief pipe 15 by a preset distance, and communicates with the inside of the housing 10.
  • the other end 162 is connected to the housing 10 at a position spaced apart from the one end 161 by a preset distance in the direction of the fourth side wall 14, and communicates with the inside of the housing 10.
  • the other end 162 is connected to the housing 10 at a position spaced apart from the fourth side wall 14 by a preset distance in the direction of the third side wall 13.
  • the second relief pipe 16 is connected to the first side wall 11 of the housing 10, but is not necessarily limited to the first side wall 11 of the housing 10.
  • the second relief pipe 16 may be connected to the second side wall 12, the fifth side wall, or the sixth side wall of the housing 10, depending on the embodiment, and communicate with the interior of the housing 10.
  • the first hydraulic pipe 17 is formed in a tube shape with a preset length in one direction.
  • the first hydraulic pipe 17 is connected to the housing 10 and communicates with the interior of the housing 10.
  • the inside of the housing 10 represents the internal space of the housing 10.
  • Fluid may move through the first hydraulic tube (17). That is, the fluid inside the housing 10 can move in one direction or in the opposite direction along the passage (flow path) formed inside the first hydraulic pipe 17.
  • the first hydraulic pipe 17 is disposed on the third side wall 13 side of the housing 10. In other words, the first hydraulic pipe 17 is disposed adjacent to the third side wall 13.
  • 'position adjacent to the third side wall 13' indicates that the first hydraulic pipe 17 is located far from the fourth side wall 14 and close to the third side wall 13.
  • the first hydraulic pipe 17 includes one end 171 and the other end 172 opposite to the one end 171.
  • the one end 171 is connected to the housing 10 at a position spaced apart from the third side wall 13 by a preset distance and communicates with the inside of the housing 10.
  • the other end 172 is connected to the housing 10 at a position spaced apart from the one end 171 by a preset distance in the direction of the fourth side wall 14, and communicates with the inside of the housing 10.
  • the first hydraulic pipe 17 is connected to the second side wall 12 of the housing 10, but is not necessarily limited to the second side wall 12 of the housing 10.
  • the first hydraulic pipe 17 may be connected to the first side wall 11, the fifth side wall, or the sixth side wall of the housing 10 and communicate with the inside of the housing 10, depending on the example of the embodiment.
  • the housing 10 of the present invention further includes a first hydraulic valve 17v disposed in the first hydraulic pipe 17.
  • the first hydraulic valve 17v is disposed (mounted) on one end 171 or the other end 172 of the first hydraulic pipe 17. Accordingly, a through hole into which the first hydraulic valve 17v can be mounted is formed in the first hydraulic pipe 17.
  • the first hydraulic valve 17v is a hydraulic control valve. Specifically, the first hydraulic valve 17v controls the speed of fluid moving inside the first hydraulic pipe 17.
  • the first hydraulic valve 17v may be screw, for example. Specifically, a male thread may be formed in the first hydraulic valve 17v, and a female thread may be formed in a through hole of the first hydraulic pipe 17 on which the first hydraulic valve 17v is mounted.
  • the first hydraulic valve 17v rotates clockwise (or counterclockwise) and moves inside the through hole, the flow path (passage through which the fluid moves) of the first hydraulic pipe 17 narrows, and the fluid flows into the first It moves slowly through the hydraulic pipe (17). Accordingly, the door connected to the housing 10 opens or closes slowly.
  • the second hydraulic pipe 18 is formed in the shape of a pipe having a preset length in one direction.
  • the second hydraulic pipe 18 is connected to the housing 10 and communicates with the interior of the housing 10.
  • the inside of the housing 10 represents the internal space of the housing 10.
  • Fluid may move through the second hydraulic tube (18). That is, the fluid inside the housing 10 may move in one direction or in the opposite direction along the passage (flow path) formed inside the second hydraulic pipe 18.
  • the second hydraulic pipe 18 is disposed on the fourth side wall 14 side of the housing 10.
  • the second hydraulic pipe 18 is disposed adjacent to the fourth side wall 14.
  • the 'position adjacent to the fourth side wall 14' indicates that the second hydraulic pipe 18 is located far from the third side wall 13 and close to the fourth side wall 14.
  • the second hydraulic pipe 18 includes one end 181 and the other end 182 opposite to the one end 181.
  • the one end 181 is connected to the housing 10 at a position spaced apart from the other end 172 of the first hydraulic pipe 17 by a preset distance and communicates with the inside of the housing 10.
  • the other end 182 is connected to the housing 10 at a position spaced apart from the one end 181 by a preset distance in the direction of the fourth side wall 14, and communicates with the inside of the housing 10.
  • the other end 182 is connected to the housing 10 at a position spaced apart from the fourth side wall 14 by a preset distance in the direction of the third side wall 13.
  • the second hydraulic pipe 18 is connected to the second side wall 12 of the housing 10, but is not necessarily limited to the second side wall 12 of the housing 10.
  • the second hydraulic pipe 18 may be connected to the first side wall 11, the fifth side wall, or the sixth side wall of the housing 10 and communicate with the inside of the housing 10, depending on the example of the embodiment.
  • the housing 10 of the present invention further includes a second hydraulic valve 18v disposed in the second hydraulic pipe 18.
  • the second hydraulic valve 18v is disposed (mounted) on one end 181 or the other end 182 of the second hydraulic pipe 18. Accordingly, a through hole into which the second hydraulic valve 18v can be mounted is formed in the second hydraulic pipe 18.
  • the second hydraulic valve 18v is a hydraulic control valve. Specifically, the second hydraulic valve 18v controls the speed of fluid moving inside the second hydraulic pipe 18.
  • the second hydraulic valve 18v may be screw, for example. Specifically, a male thread may be formed in the second hydraulic valve 18v, and a female thread may be formed in a through hole of the second hydraulic pipe 18 on which the second hydraulic valve 18v is mounted.
  • the second hydraulic valve 18v rotates clockwise (or counterclockwise) and moves inside the through hole, the flow path (passage through which fluid moves) of the second hydraulic pipe 18 narrows, and the fluid flows into the second hydraulic valve 18. It moves slowly through the hydraulic pipe (18). Accordingly, the door connected to the housing 10 opens or closes slowly.
  • the internal support part 20 is disposed in the internal space of the housing 10.
  • the internal support unit 20 can move in the internal space of the housing 10 by the internal support driving unit 40, which will be described later. Additionally, the internal support portion 20 may support the piston assembly 30, which will be described later.
  • Figure 3 is a cross-sectional view schematically showing the inner support part of Figure 1.
  • the internal support part 20 includes a first internal support part 21, a second internal support part 22, and a connection support part 23.
  • the first internal support part 21, the second internal support part 22, and the connection support part 23 are not limited to a specific shape.
  • each of the first inner support part 21, the second inner support part 22, and the connection support part 23 is formed in a bar shape or a plate shape with a preset length, but is not limited to this shape. If the inner support 20 is movable inside the housing 10 and can support the piston assembly 30, the first inner support 21, the second inner support 22 and the connecting support 23 can be configured to various It can be formed into a shape.
  • the first internal support part 21, the second internal support part 22, and the connection support part 23 may be manufactured separately and combined with each other, or may be formed as one piece.
  • the first internal support part 21 is disposed on the third side wall 13 of the housing 10.
  • the first internal support portion 21 is disposed adjacent to the third side wall 13 of the housing 10.
  • the 'position adjacent to the third side wall 13 of the housing 10' means that the first internal support part 21 is located far from the fourth side wall 14 of the housing 10 and the third side wall 13 ) indicates that it is in a close location.
  • the first internal support part 21 is connected to the internal support driving part 40 disposed on the outside of the housing 10. Specifically, one end of the first internal support unit 21 is engaged with the connection gear 42 of the internal support drive unit 40.
  • the first internal support part 21 can move in the internal space of the housing 10 by driving the internal support driving part 40. As the first inner support 21 moves, the connection support 23 connected to the first inner support 21 and the second inner support 22 connected to the connection support 23 also move. That is, when the first internal support part 21 moves, the internal support part 20 moves.
  • the first internal support unit 21 may move along the longitudinal direction of the housing 10 inside the housing 10 by driving the internal support driving unit 40 .
  • the longitudinal direction of the housing 10 represents the left and right direction (horizontal direction) of the housing 10 in FIGS. 1 and 2, for example.
  • the first internal support unit 21 moves from the third side wall 13 of the housing 10 to the fourth. It moves toward the side wall 14 (from left to right) by a preset distance.
  • the motor 41 of the internal support drive unit 40 rotates counterclockwise (or clockwise)
  • the first internal support unit 21 moves from the fourth side wall 14 side of the housing 10 to the third side wall side. (13) Move to the side (from right to left) by a preset distance.
  • the second internal support part 22 is disposed on the fourth side wall 14 of the housing 10.
  • the second internal support portion 22 is disposed adjacent to the fourth side wall 14 of the housing 10.
  • the 'position adjacent to the fourth side wall 14 of the housing 10' means that the second internal support portion 22 is located far from the third side wall 13 of the housing 10 and the fourth side wall 14 ) indicates that it is in a close location.
  • the second inner support part 22 is connected to the first inner support part 21 by a connecting support part 23.
  • the second internal support portion 22 supports the piston assembly 30, which will be described later.
  • connection support portion 23 connects the first inner support portion 21 and the second inner support portion 22. Specifically, the connection support part 23 is disposed between the first inner support part 21 and the second inner support part 22. One end of the connection support part 23 is connected to the first internal support part 21, and the other end of the connection support part 23 is connected to the second internal support part 22.
  • connection support portion 23 contacts the inner surface of the housing 10.
  • connection support portion 23 contacts one end 151 and/or the other end 152 of the first relief pipe 15 inside the housing 10 and communicating with the inside of the housing 10. Additionally, the connection support portion 23 contacts one end 161 and/or the other end 162 of the second relief pipe 16 inside the housing 10 and communicating with the inside of the housing 10. By this, the connection support portion 23 moves inside the housing 10 and connects to one end 151 and/or the other end 152 of the first relief pipe 15, or one end of the second relief pipe 16. The portion 161 and/or the other end 162 are opened and closed.
  • connection support portion 23 includes a first hole 231 and a second hole 232 through which fluid moves.
  • the first hole 231 and the second hole 232 are formed in the connection support part 23 and are holes that penetrate the connection support part 23.
  • the first hole 231 is disposed on the first internal support portion 21.
  • the first hole 231 is disposed adjacent to the first internal support portion 21.
  • 'position adjacent to the first internal support part 21' indicates that the first hole 231 is located far from the second internal support part 22 and close to the first internal support part 21.
  • the first hole 231 communicates with the first relief pipe 15 (specifically, the other end 152 of the first relief pipe 15) by moving the connection support portion 23, the inside of the housing 10
  • the fluid contained in can move to the first relief pipe 15 through the first hole 231.
  • the housing 10 if the first hole 231 does not communicate with the first relief pipe 15 (specifically, the other end 152 of the first relief pipe 15) due to movement of the connection support portion 23, the housing 10 ) is blocked by the connection support portion 23 and cannot move to the first relief pipe 15 through the first hole 231.
  • the second hole 232 is disposed on the second internal support portion 22.
  • the second hole 232 is disposed adjacent to the second internal support portion 22.
  • 'position adjacent to the second internal support part 22' indicates that the second hole 232 is located far from the first internal support part 21 and close to the second internal support part 22.
  • the second hole 232 does not communicate with the second relief pipe 16 (specifically, the other end 162 of the second relief pipe 16) due to movement of the connection support portion 23, the housing 10 ) is blocked by the connection support portion 23 and cannot move to the second relief pipe 16 through the second hole 232.
  • the piston assembly 30 is disposed inside the housing 10 and is supported by the internal support portion 20.
  • the piston assembly 30 can move in the internal space of the housing 10.
  • the piston assembly 30 is interlocked with the door by the piston driving unit 50, which will be described later. That is, the piston assembly 30 moves in one direction or in the opposite direction in the internal space of the housing 10 as the door is opened or closed.
  • Figure 4 is a cross-sectional view schematically showing the piston assembly of Figure 1.
  • the piston assembly 30 includes a first piston 31, a second piston 32, an upper connection part 33, a lower connection part 34, and an elastic member 35.
  • the first piston 31 is disposed on the third side wall 13 of the housing 10. In other words, the first piston 31 is disposed at a position far from the fourth side wall 14 of the housing 10 and adjacent to the third side wall 13 of the housing 10.
  • the first piston 31 may repeat linear reciprocating motion in the internal space of the housing 10.
  • the first piston 31 is connected to the second piston 32 by an upper connection part 33 and a lower connection part 34.
  • the first piston 31 includes a first check valve 31C.
  • the first check valve 31C is disposed on the first piston 31. Specifically, the first check valve 31C is disposed through (across) the first piston 31 in the thickness direction of the first piston 31.
  • the first check valve 31C is a one-way valve. Specifically, the fluid contained in the housing 10 can pass through the first piston 31 through the first check valve 31C and move from the right to the left of the first piston 31, but cannot move in the opposite direction. .
  • the second piston 32 is disposed on the fourth side wall 14 of the housing 10. In other words, the second piston 32 is disposed at a position far from the third side wall 13 of the housing 10 and adjacent to the fourth side wall 14 of the housing 10.
  • the second piston 32 may repeat linear reciprocating motion in the internal space of the housing 10.
  • the second piston 32 is connected to the first piston 31 by an upper connection part 33 and a lower connection part 34.
  • the second piston 32 includes a second check valve 32C.
  • the second check valve 32C is disposed on the second piston 32. Specifically, the second check valve 32C is disposed through (across) the second piston 32 in the thickness direction of the second piston 32.
  • the second check valve 32C is a one-way valve. Specifically, the fluid contained in the housing 10 can pass through the second piston 32 through the second check valve 32C and move from the left to the right of the second piston 32, but cannot move in the opposite direction. .
  • the first piston 31 and the second piston 32 are spaced apart by a preset distance by the upper connection part 33 and the lower connection part 34.
  • the upper connection part 33 and the lower connection part 34 connect the first piston 31 and the second piston 32 and support the first piston 31 and the second piston 32.
  • the upper connection part 33 and the lower connection part 34 are not limited to a specific shape.
  • the upper connection part 33 and the lower connection part 34 are formed in a bar shape (or plate shape) with a preset length, but are not limited to this shape. If the first piston 31 and the second piston 32 can be connected and supported, the upper connection part 33 and the lower connection part 34 can be formed in various shapes.
  • the upper connection portion 33 connects one side of the first piston 31 and one side of the second piston 32.
  • one side of the first piston 31 is located at a point (position) located on the edge of the first piston 31 in the radial direction of the first piston 31 or adjacent to the edge of the first piston 31. It represents a point (position) located in a certain direction
  • one side of the second piston 32 is a point (position) located at the edge of the second piston 32 in the radial direction of the second piston 32. Or, it represents a point (position) adjacent to an edge.
  • the lower connection portion 34 connects the other side (or other side) of the first piston 31 and the other side (or other side) of the second piston 32.
  • the other side (or other side) of the first piston 31 is any other point (position) located at the edge of the first piston 31 in the radial direction of the first piston 31 or the first piston ( Indicates another point (position) located adjacent to the edge of 31).
  • the other side (or other side) of the first piston 31 may be in a position opposite to the one side of the first piston 31.
  • the lower connection portion 34 includes gear teeth 341 formed on the lower connection portion 34.
  • the gear teeth 341 are formed in the lower connection portion 34 to a preset length. Accordingly, the lower connection portion 34 can function as a rack gear.
  • the gear teeth 341 mesh with the rotation gear (pinion gear) 51 of the piston driving unit 50, which will be described later.
  • the rotation gear 51 of the piston drive unit 50 rotates, the lower connection part 34 moves in a straight line.
  • linear movement indicates movement in the left and right direction (horizontal direction) in the internal space of the housing 10.
  • the linear movement of the lower connection portion 34 represents the linear movement of the piston assembly 30.
  • gear teeth 341 may be formed on the upper connection part 33, and the upper connection part 33 may function as a rack gear.
  • the internal space of the housing 10 is partitioned by the first piston 31 and the second piston 32 of the piston assembly 30.
  • the internal space of the housing 10 is divided into a first chamber (A), an intermediate chamber (B), and a second chamber (C) divided by the first piston 31 and the second piston 32. .
  • the first chamber A is connected to the third side wall 13 of the housing 10 and the piston assembly 30. represents the space between the first piston 31, the intermediate chamber (B) represents the space between the first piston 31 and the second piston 32 of the piston assembly 30, and the second chamber (C ) represents the space between the second piston 32 of the piston assembly 30 and the fourth side wall 14 of the housing 10.
  • the volumes of the first chamber (A) and the second chamber (C) change as the piston assembly 30 moves.
  • the elastic member 35 may be provided in any form capable of storing restoring force while its shape is deformed and transmitting the restoring force to the outside while returning to its original shape.
  • the elastic member 35 may be, for example, a coil spring.
  • the elastic member 35 is disposed between the inner support 20 and the piston assembly 30. Specifically, when the inner support 20 and the piston assembly 30 are disposed in the inner space of the housing 10, the elastic member 35 is connected to the second inner support 22 of the inner support 20 and the piston assembly. It is disposed between the second piston 32 of (30).
  • the elastic member 35 is fixed to the second inner support portion 22 of the inner support portion 20 and the second piston 32 of the piston assembly 30. That is, one end of the elastic member 35 is fixed to the second piston 32 of the piston assembly 30, and the other end of the elastic member 35 is fixed to the second internal support part 22 of the internal support part 20. do.
  • the elastic member 35 When the internal support 20 moves while the piston assembly 30 does not move, the elastic member 35 is tensioned (relaxed) or compressed (contracted). Additionally, when the piston assembly 30 moves without the internal support 20 moving, the elastic member 35 is tensioned (relaxed) or compressed (contracted).
  • the internal support driving unit 40 moves the internal support unit 20.
  • the internal support drive unit 40 is fixed to the housing 10 and/or the door.
  • the internal support drive unit 40 includes a motor 41, a linear gear 43, and a connecting gear 42.
  • the motor 41 represents a commonly used motor.
  • the motor generates rotational force by the force acting between the current flowing in the coil of the rotor and the magnetic field of the stator, and represents a machine that obtains rotational force from electrical energy.
  • the motor 41 includes wires (not shown) and is driven by electricity.
  • the motor 41 is fixed to the housing 10 and/or the door.
  • the linear gear 43 may be connected to the rotation axis of the motor or may be the rotation axis of the motor.
  • the linear gear 43 is formed in the shape of a bar with a circular cross-section and a preset length.
  • the linear gear 43 includes threads formed along the outer peripheral surface.
  • the connecting gear 42 connects the linear gear 43 and the internal support portion 20.
  • one end of the connecting gear 42 is movably connected to the linear gear 43, and the other end of the connecting gear 42 is connected to the internal support part 20 (specifically, the first internal support part 21) and connected.
  • One end of the connecting gear 42 includes a through hole.
  • a thread is formed on the inner peripheral surface of one end of the connection gear 42 surrounding the through hole.
  • a linear gear 43 is disposed in the through hole.
  • a slot which is a hole in which the connection gear 42 is placed, is formed in the housing 10.
  • the slot is formed to a preset length along the longitudinal direction of the housing 10.
  • the connecting gear 42 moves along the slot.
  • a sealing member is disposed in the slot.
  • the slot is sealed by the sealing member. Accordingly, even if the connection gear 42 moves along the slot, the fluid contained inside the housing 10 does not leak out to the outside through the slot.
  • the internal support drive unit 40 may be composed of a solenoid.
  • the solenoid represents a commonly used solenoid.
  • the solenoid generally has a structure in which a copper wire is wound around a fixed iron core in a coil shape, and a movable iron core moves up and down around the center of the solenoid.
  • the solenoid is fixed to the housing 10 and/or the door.
  • a solenoid is a device that converts electrical energy into mechanical movement.
  • the movable iron core moves by electromagnetic force, and when the current is cut off from the solenoid, the movable iron core returns to its original position by the restoring force of the spring fastened to the movable iron core.
  • the solenoid of the internal support drive unit 40 corresponds to the motor 41 of the internal support drive unit 40 according to an example of an embodiment of the present invention.
  • the movable iron core of the solenoid corresponds to the linear gear 43.
  • a connecting member corresponding to the connecting gear 42 is connected to the movable iron core of the solenoid.
  • the piston driving unit 50 moves the piston assembly 30.
  • the piston driving unit 50 connects the housing 10 and the fixture.
  • the piston drive unit 50 includes a rotating gear 51 and a connecting link 52.
  • the rotating gear 51 is disposed inside the housing 10. Specifically, the rotating gear 51 is disposed inside the housing 10 at a position where it engages with the gear teeth 341 formed on the piston assembly 30 (specifically, the lower connection portion 34).
  • the rotating gear 51 engages with gear teeth 341 formed on the lower connection portion 34 of the piston assembly 30 and can rotate.
  • the rotating gear 51 is a type of pinion gear, and the gear teeth 341 of the lower connection portion 34 constituting the piston assembly 30 are a type of rack gear.
  • the lower connection portion 34 moves linearly within the housing 10 along the longitudinal direction of the housing 10. Specifically, when the rotation gear 51 rotates clockwise or counterclockwise, the lower connection portion 34 moves straight within the housing 10 in one direction or in a direction opposite to one direction. That is, by the rotation of the rotary gear 51, the piston assembly 30 moves linearly in one direction or in a direction opposite to one direction within the housing 10. Also, on the contrary, when the piston assembly 30 moves linearly in one direction or the opposite direction within the housing 10, the rotation gear 51 rotates clockwise or counterclockwise.
  • the connecting link 52 is connected to the rotating gear 51.
  • the rotating gear 51 rotates clockwise or counterclockwise. Also, on the contrary, when the rotation gear 51 rotates clockwise or counterclockwise, the connecting link 52 moves along a constant trajectory.
  • the fixture refers to a wall or door frame on which a door is installed.
  • One end of the connecting link 52 is connected to the rotating gear 51 and rotates the rotating gear 51.
  • One end of the connecting link 52 may be connected to the rotating gear 51 by a bolt or screw fastening method.
  • the fastening method of one end of the connecting link 52 and the rotating gear 51 is all fastening methods in which one end of the connecting link 52 rotates the rotating gear 51 when the connecting link 52 moves. Includes.
  • connection link 52 is rotatably connected to the fixture.
  • connection link 52 may be connected to the fixture through a hinge coupling.
  • a plurality of connection links 52 may be provided.
  • the connecting link 52 includes a first connecting link and a second connecting link.
  • one end of the first connecting link is rotatably connected to the rotating gear 51
  • the other end of the first connecting link is rotatably connected to one end of the second connecting link
  • the second connecting link is rotatably connected to one end of the second connecting link.
  • the other end of the connection link is rotatably connected to the fixture.
  • the piston assembly 30 is interlocked with the door. That is, as the door is opened or closed, the piston assembly 30 moves in one direction or in the opposite direction in the internal space of the housing 10.
  • the housing 10 installed on the door moves together with the door.
  • the connecting link 52 rotatably connected to the rotating gear 51 disposed in the housing 10 also moves.
  • the rotation gear 51 rotates clockwise or counterclockwise.
  • the piston assembly 30 moves linearly in one direction or in the opposite direction within the housing 10. Also, on the contrary, when the piston assembly 30 moves in one direction or in the opposite direction in the inner space of the housing 10, the door is opened or closed.
  • a conventional door closer performs the role of closing an open door, but does not perform the role of opening a closed door.
  • the automatic door opening and closing device can automatically open the door and automatically close the opened door.
  • automatic indicates that the door is opened or closed by the operation of the automatic door opening and closing device of the present invention even if the user does not open or close the door.
  • the automatic door opening and closing device includes a control unit.
  • the control unit controls the internal support drive unit 40.
  • the control unit controls the internal support drive unit 40 so that the internal support drive unit 40 operates.
  • the door open signal represents an electrical signal generated when a user operates a door open button installed inside or outside the door.
  • the door closing signal represents an electrical signal generated when a user operates a door closing button installed inside or outside the door.
  • the door open button and the door close button may be formed as one door button.
  • a door open signal is generated and a door open signal is input to the control unit
  • a door close signal is generated and a door close signal is input to the control unit. is entered.
  • the door open signal represents an electrical signal generated when a user recognizes a door card in a door card recognition system installed inside or outside the door while the door is closed.
  • the door closing signal represents an electrical signal generated when a user recognizes a door card in a door card recognition system installed inside or outside the door while the door is open.
  • the door open signal or door close signal is input to the control unit.
  • the door open signal or the door close signal may be generated by a device or method other than the door open button or door close button, door button, and door card recognition system described above.
  • the control unit When a door open signal or a door close signal is input, the control unit turns on or off the electricity supplied to the motor 41 or solenoid of the internal support drive unit 40 to operate the motor 41 or solenoid. Or it may stop working.
  • the operating principle of the automatic door opening and closing device according to the example of the first embodiment of the present invention is as follows.
  • the automatic door opening and closing device according to the example of the first embodiment of the present invention is mounted on the door and the fixture.
  • the automatic door opening and closing device of the present invention includes a housing 10, an internal support part 20 and a piston assembly 30 disposed inside the housing 10, and an internal support part 20 disposed outside the housing 10. ) and an internal support drive unit 40 connected to the piston assembly 30.
  • the housing 10 may be placed (mounted) on a door, for example, and the connecting link 52 of the piston drive unit 50 may be connected (fastened) to a fixture.
  • the automatic means that the door is opened or closed by the operation of the automatic door opening and closing device of the present invention even if the user does not open or close the door.
  • Figure 5 is a cross-sectional view schematically showing the automatic door opening and closing device of the present invention in a closed state.
  • the door is closed and the elastic member 35 is in a normal state.
  • the normal state of the elastic member 35 refers to a state in which the elastic member 35 is not stretched or compressed.
  • the first hole 231 of the inner support 20 and the first relief tube 15 of the housing 10 are They do not communicate with each other.
  • the second hole 232 of the internal support part 20 and the second relief pipe 16 (specifically, the other end 162) of the housing 10 communicate with each other.
  • Figure 6 shows a state in which the internal support drive unit operates in a state in which the door is closed and the internal support unit moves in one direction.
  • the control unit when a door open signal is input to the control unit in a closed state (state shown in FIG. 5), the control unit operates the internal support drive unit 40 (e.g., motor 41). I order it.
  • the internal support drive unit 40 By the operation of the internal support drive unit 40, the internal support unit 20 moves in one direction.
  • one direction represents a direction from the third side wall 13 side of the housing 10 to the fourth side wall 14 side.
  • the internal support unit 20 is pulled from the third side wall 13 side of the housing 10. 4 Move toward the side wall 14 (from left to right) a preset distance.
  • the elastic member 35 disposed between the second piston 32 and the second internal support portion 22 is The support portion 20 (specifically, the second inner support portion 22) is tensioned as it moves in one direction. That is, the door is in a closed state, and the elastic member 35 is in a tensioned state.
  • the first hole 231 of the inner support 20 and the first relief tube 15 of the housing 10 (Specifically, the other end 152) communicates with each other, and the second hole 232 of the internal support part 20 and the second relief pipe 16 of the housing 10 (specifically, the other end 162) do not communicate with each other.
  • Figure 7 shows a state in which the piston assembly moves and the door is opened.
  • one direction represents a direction from the third side wall 13 side of the housing 10 to the fourth side wall 14 side.
  • the second relief tube 16 (specifically, the other end 162) is blocked by the connection support part 23 of the internal support part 20, so that the fluid contained in the second chamber C flows through the second relief tube. It is not possible to move to the middle chamber (B) through (16).
  • the piston assembly 30 moves in one direction, the fluid contained in the intermediate chamber (B) flows through the first hole 231 of the internal support 20 and the first relief tube 15 of the housing 10 ( Specifically, it moves to the first chamber (A) through the other end (152).
  • first check valve 31C disposed on the first piston 31 only allows fluid to move from the intermediate chamber (B) to the first chamber (A), so the fluid contained in the intermediate chamber (B) It moves to the first chamber (A) through the first check valve (31C).
  • the door is open, and the elastic member 35 is returned to its original shape and is in a normal state.
  • the piston drive unit 50 When the user applies force to close the open door, the piston drive unit 50 operates (i.e., the connecting link 52 moves and the rotary gear 51 rotates), and the piston assembly 30 moves in one direction. You can move in any direction.
  • the direction opposite to one direction represents a direction from the fourth side wall 14 side of the housing 10 to the third side wall 13 side.
  • the fluid contained in the first chamber (A) flows into the intermediate chamber ( You can move to B). And, the fluid contained in the intermediate chamber (B) may move to the second chamber (C) through the second hydraulic pipe 18 and the second check valve 32C. Accordingly, the piston assembly 30 can move in one direction opposite to the other, the elastic member 35 is tensioned, and the door is closed.
  • Figure 8 shows a state in which the inner support drive unit operates while the door is open and the inner support unit moves in one direction opposite to the other.
  • the control unit when a door closing signal is input to the control unit while the door is open (state shown in FIG. 7), the control unit operates the internal support drive unit 40 (e.g., motor 41). I order it.
  • the internal support drive unit 40 By the operation of the internal support drive unit 40, the internal support unit 20 moves in one direction opposite to the other.
  • the direction opposite to one direction represents a direction from the fourth side wall 14 side of the housing 10 to the third side wall 13 side.
  • the internal support unit 20 moves from the fourth side wall 14 side of the housing 10 to the third side wall ( 13) Move sideways (from right to left) a preset distance.
  • the piston assembly 30 since the piston assembly 30 is in a state where it is not moving in the opposite direction (the door is still open), the elastic member 35 disposed between the second piston 32 and the second internal support portion 22 ) is compressed as the inner support 20 (specifically, the second inner support 22) moves in one direction opposite to the other. That is, the door is in an open state, and the elastic member 35 is in a compressed state.
  • the first hole 231 of the inner support 20 and the first relief tube of the housing 10 (15) (specifically, the other end 152) is not in communication with each other, and the second hole 232 of the internal support 20 and the second relief pipe 16 of the housing 10 (specifically, the other end) (162)) are connected to each other.
  • FIG. 5 shows a state in which the piston assembly moves and the door is closed. That is, Figure 5 is a cross-sectional view schematically showing the automatic door opening and closing device of the present invention in a closed state.
  • the elastic member 35 when the elastic member 35 is compressed while the door is open (state shown in FIG. 8), the elastic member 35 generates a restoring force, and the restoring force of the elastic member 35 As a result, the piston assembly 30 moves in the opposite direction.
  • the direction opposite to one direction represents a direction from the fourth side wall 14 side of the housing 10 to the third side wall 13 side.
  • the first relief tube 15 (specifically, the other end 152) is blocked by the connection support part 23 of the internal support part 20, so that the fluid contained in the first chamber (A) flows through the first relief tube. It is not possible to move to the middle chamber (B) through (15).
  • first check valve 31C disposed on the first piston 31 only allows fluid to move from the intermediate chamber B to the first chamber A, the fluid received in the first chamber A Fluid cannot move to the intermediate chamber (B) through the first check valve (31C).
  • the fluid contained in the intermediate chamber (B) flows through the second hole 232 of the internal support 20 and the second relief tube of the housing 10 ( 16) (specifically, the other end 162) and moves to the second chamber (C).
  • the second check valve 32C disposed on the second piston 32 only allows fluid to move from the intermediate chamber B to the second chamber C, so the fluid contained in the intermediate chamber B It moves to the second chamber (C) through the second check valve (32C).
  • the door is closed, and the elastic member 35 is returned to its original shape and is in a normal state.
  • one direction represents a direction from the third side wall 13 side of the housing 10 to the fourth side wall 14 side.
  • the fluid contained in the second chamber (C) flows into the middle chamber (C) through the second hole 232 of the inner support 20 and the second relief pipe 16 of the housing 10. You can move to B). And, the fluid contained in the intermediate chamber (B) may move to the first chamber (A) through the first hydraulic pipe (17) and the first check valve (31C). Accordingly, the piston assembly 30 can move in one direction, the elastic member 35 is compressed, and the door is opened.
  • FIG. 9 shows an automatic door opening and closing device according to an example according to a second embodiment of the present invention
  • FIG. 10 is a cross-sectional view schematically showing the housing 100 of FIG. 9.
  • the automatic door opening and closing device includes a housing 100, an internal moving part 200, a damper assembly 300, and a damper driving part 400. ) and a body driver 500.
  • the housing 100 forms the exterior of the automatic door opening and closing device of the present invention.
  • the housing 10 includes a first side wall 101 that forms the exterior of the automatic door opening and closing device of the present invention, a second side wall 102 facing the first side wall 101, the first side wall 101, and the A third side wall 103 connecting one side of the second side wall 102, a fourth side wall connecting the first side wall 101 and the other side of the second side wall 102 and facing the third side wall 103. It includes a side wall 104, a fifth side wall (not shown), and a sixth side wall (not shown).
  • the first side wall 101 represents the upper side wall
  • the second side wall 102 represents the lower side wall
  • the third side wall 103 represents the left wall
  • the fourth side wall 104 represents the right side wall
  • the fifth side wall represents the front side wall
  • the sixth side wall represents the rear side wall.
  • the first side wall 101 represents a side wall (upper side wall) that forms the upper surface of the housing 100.
  • the second side wall 102 represents a side wall (lower side wall) that forms the lower surface of the housing 100.
  • the fifth side wall represents a side wall (front side wall) that forms the front of the housing 100, and connects one side of the first side wall 101 and one side of the second side wall 102 in the front-back direction.
  • the sixth side wall represents a side wall (rear side wall) representing the back of the housing 100, and connects the other side of the first side wall 101 and the other side of the second side wall 102 in the front-back direction.
  • the third side wall 103 represents a side wall (left side wall) forming the left side of the housing 100, and the first side wall 101, the second side wall 102, and the fifth side wall are formed in the left and right direction (horizontal direction). and one side of each of the sixth side walls.
  • the fourth side wall 104 represents a side wall (right side wall) forming the right side of the housing 100, and is formed in the left and right direction (horizontal direction) by a first side wall 101, a second side wall 102, a fifth side wall, and The other side of each of the sixth side walls is connected.
  • the other side represents the side that is opposed to one side.
  • the first side wall 101, the second side wall 102, the third side wall 103, the fourth side wall 104, the fifth side wall, and the sixth side wall may be formed as a whole in a circular or oval shape, or It may include a partially circular or oval shape.
  • the housing 100 is formed in the shape of a hollow polygonal cylinder having a preset length in one direction.
  • the polygonal cylinder shape may partially include a circular shape or an elliptical shape.
  • the one direction represents the left and right direction (horizontal direction) in FIGS. 9 and 10, for example.
  • the automatic door opening and closing device according to the example of the second embodiment of the present invention does not accommodate fluid inside the housing 100.
  • the automatic door opening and closing device according to the second embodiment of the present invention has a simple structure and improved product reliability because it does not have a fluid or a passage through which the fluid moves.
  • the housing 100 has an internal space.
  • the housing 100 has an internal space having a preset length in one direction (eg, horizontal direction).
  • the internal space is formed surrounded by the first side wall 101, the second side wall 102, the third side wall 103, the fourth side wall 104, the fifth side wall, and the sixth side wall of the housing 100.
  • the internal moving part 200, the support link 305 of the damper assembly 300, and the rotation gear 501 of the body driving part 500 are disposed in the internal space.
  • the housing 100 includes a plurality of slots and a linear guide 105.
  • the plurality of slots include a first slot 106, a second slot 107, and a third slot 108.
  • the first slot 106 is formed to have a preset length along the longitudinal direction of the housing 100.
  • damper contact teeth 202 of the internal moving part 200 which will be described later, or a first rotary damper 301 or a second rotary damper 302 of the damper assembly 300 may be disposed. That is, the damper contact teeth 202 of the internal moving part 200 and the first rotary damper 301 or the second rotary damper 302 of the damper assembly 300 are engaged with each other through the first slot 106. You can. In an example embodiment in which the damper contact teeth 202 are disposed in the first slot 106, the damper contact teeth 202 may move along the longitudinal direction of the first slot 106.
  • the first slot 106 is formed in the first side wall 101 of the housing 100, but the present invention is not limited thereto.
  • the first slot 106 may be formed in the fifth side wall or the second side wall 102 depending on the embodiment.
  • the second slot 107 is formed to be spaced apart from the first slot 106 by a preset distance in the longitudinal direction of the housing 100.
  • the second slot 107 is formed to have a preset length along the longitudinal direction of the housing 100.
  • the support link 305 of the damper assembly 300 is disposed in the second slot 107.
  • the support link 305 can move along the longitudinal direction of the second slot 107.
  • the second slot 107 is formed in the first side wall 101 of the housing 100, but the present invention is not limited thereto.
  • the second slot 106 may be formed in the second side wall 102 according to an example of the embodiment.
  • the longitudinal central axis of the first slot 106 and the longitudinal central axis of the second slot 107 overlap. Accordingly, the rotary dampers 301 and 302 and the support link 305 of the damper assembly 300 are disposed parallel to the longitudinal central axis of the first slot 106 or the second slot 107, so that the damper assembly 300 can operate smoothly.
  • the third slot 108 is formed at a position facing the second slot 107. Specifically, the third slot 108 is formed at a position facing the second slot 107 in a direction perpendicular to the longitudinal direction of the housing 100.
  • the third slot 108 is formed on the first side wall 101 of the housing 100. It is formed on the second side wall 102, and the third slot 108 is formed at a position facing the second slot 107 in the direction perpendicular to the longitudinal direction of the housing 100 in the second side wall 102. do.
  • the third slot 108 is formed to have a preset length along the longitudinal direction of the housing 100.
  • the third slot 108 is where the support link 305 of the damper assembly 300 is disposed.
  • the support link 305 can move along the longitudinal direction of the third slot 108.
  • the support link 305 of the damper assembly 300 is disposed in the second slot 107 and the third slot 108.
  • the support link 305 is disposed through the second slot 107 and the third slot 108 in a direction perpendicular to the longitudinal direction of the second slot 107 and the third slot 108. , it can move along the longitudinal direction of the second slot 107 and the third slot 108.
  • the support link 305 is disposed to penetrate the housing 100 in a direction perpendicular to the longitudinal direction of the housing 100.
  • the lengths of the second slot 107 and the third slot 108 may be the same.
  • the linear guide 105 is disposed in the inner space of the housing 100.
  • the linear guide 105 has one end and the other end connected to the inner surface of the third side wall 103 and the fourth side wall 104 of the housing 100, respectively. It may be formed in a rod shape. A plurality of linear guides 105 may be disposed in the internal space of the housing 100, or one linear guide may be disposed.
  • the linear guide 105 guides and supports the internal moving part 200, which will be described later, so that the internal moving part 200 moves along the longitudinal direction of the housing 100. That is, the internal moving part 200 can move along the linear guide 105 in the internal space of the housing 100.
  • the linear guide 105 may be an LM rail of the commonly used LM Guide.
  • a commonly used LM guide includes an LM block and an LM rail, and the LM block can move along the LM rail.
  • the LM block may correspond to the internal moving part 200 of the present invention
  • the LM rail may correspond to the linear guide 105 of the present invention.
  • Figure 11 is a cross-sectional view schematically showing the internal moving part of Figure 9.
  • the internal moving part 200 is disposed inside the housing 100, and is guided and supported by a linear guide 105.
  • the internal moving part 200 can move in the internal space of the housing 100.
  • the internal moving unit 200 is linked with the door by the body driving unit 500, which will be described later. That is, the internal moving part 200 moves in one direction or in the opposite direction in the internal space of the housing 10 as the door is opened or closed.
  • the internal moving part 200 includes a body 201, damper contact teeth 202, gear teeth 203, and an elastic member 204.
  • the body 201 forms the body of the internal moving part 200.
  • the body 201 is formed to move along the linear guide 105 of the housing 100.
  • the body 201 is not limited to a specific shape.
  • the body 201 can be formed in various shapes as long as damper contact teeth 202 and gear teeth 203, which will be described later, can be formed.
  • the damper contact teeth 202 are formed on the body 201. Specifically, the damper contact teeth 202 are formed on one surface of the body 201 (the upper surface of the body 201 in FIGS. 9 and 11) to a preset length.
  • the damper contact teeth 202 are exposed to the outside of the housing 100 through the first slot 106 formed in the housing 100.
  • the damper contact teeth 202 serve as a rack gear.
  • the damper contact teeth 202 may be integrally formed on one surface of the body 201, or may be manufactured separately and fastened to one surface of the body 201.
  • the damper contact teeth 202 engage with the rotary dampers 301 and 302 of the damper assembly 300, which will be described later.
  • the rotary dampers 301 and 302 allow the body 201 to move slowly.
  • the gear teeth 203 are formed on the body 201. Specifically, the gear teeth 203 are formed to a preset length on another surface of the body 201 (the lower surface of the body 201 in FIGS. 9 and 11).
  • Gear teeth 203 serve as a rack gear.
  • the gear teeth 203 may be integrally formed on one side of the body 201, or may be manufactured separately and fastened to another side of the body 201.
  • linear movement indicates movement in the longitudinal direction of the housing 100. That is, linear movement represents movement in the left and right direction (horizontal direction) in the internal space of the housing 100.
  • the linear movement of the body 201 represents the linear movement of the internal moving part 200.
  • the elastic member 204 may be provided in any form capable of storing restoring force as its shape is deformed and transmitting the restoring force to the outside as it returns to its original shape.
  • the elastic member 204 may be, for example, a coil spring.
  • the elastic member 204 is disposed in the inner space of the housing 100 and is disposed between the body 201 and the damper assembly 300. Specifically, the elastic member 204 is disposed between one side of the body 201 and the support link 305 of the damper assembly 300.
  • the elastic member 204 is fixed to one side of the body 201 and the support link 305 of the damper assembly 300. That is, one end of the elastic member 204 is fixed to one side of the body 201, and the other end of the elastic member 204 is fixed to the support link 305 of the damper assembly 300.
  • the elastic member 204 When the support link 305 of the damper assembly 300 moves while the internal moving part 200 does not move, the elastic member 204 is tensioned (relaxed) or compressed (contracted). Additionally, when the internal moving part 200 moves while the support link 305 of the damper assembly 300 does not move, the elastic member 204 is tensioned (relaxed) or compressed (contracted).
  • FIG. 12 schematically shows the damper assembly of Figure 9.
  • the damper assembly 300 not only controls the moving speed of the internal moving part 200, but also moves the internal moving part 200.
  • the damper assembly 300 includes a pair of rotary dampers 301 and 302, a joint link 303, an intermediate link 304 and a support link 305.
  • the pair of rotary dampers 301 and 302 includes a first rotary damper 301 and a second rotary damper 302.
  • a pair of rotary dampers 301 and 302 are disposed outside the housing 100.
  • a pair of rotary dampers 301 and 302 serve as dampers in one direction.
  • the pair of rotary dampers 301 and 302 are gear-shaped dampers capable of rotating clockwise or counterclockwise, and perform the damper role only in one direction (clockwise or counterclockwise).
  • One of the pair of rotary dampers 301 and 302 engages with the internal moving part 200 (specifically, the damper contact teeth 202).
  • the pair of rotary dampers 301 and 302 serve as dampers and allow the internal moving part 200 to move slowly.
  • the first rotary damper 301 is a clockwise rotary damper. Specifically, the first rotary damper 301 serves as a damper when rotating clockwise (that is, clockwise rotation is slow due to the generation of torque). On the other hand, the first rotary damper 301 does not function as a damper when rotating counterclockwise (no torque is generated, so rotation in the counterclockwise direction is not slow. Rotation in the counterclockwise direction is relief without torque. (it is a state of relief).
  • the second rotary damper 302 is a counterclockwise rotary damper. Specifically, the second rotary damper 302 serves as a damper when rotating counterclockwise (that is, counterclockwise rotation is slow due to the generation of torque). On the other hand, the second rotary damper 302 does not function as a damper when rotating clockwise (clockwise rotation is not slow because no torque is generated. Clockwise rotation is a relief state without torque) am).
  • the joint link 303 is disposed on the outside of the housing 100 and connects a pair of rotary dampers 301 and 302 and the intermediate link 304.
  • Joint link 303 can rotate clockwise or counterclockwise.
  • the joint link 303 is a first joint link 3031 connecting a pair of rotary dampers 301 and 302, and a second joint link 3032 connecting the first joint link 3031 and the intermediate link 304. ) includes.
  • the first joint link 3031 and the second joint link 3032 may be formed as one piece, or may be manufactured separately and joined to each other.
  • the first joint link 3031 connects the first rotary damper 301 and the second rotary damper 302.
  • a first rotary damper 301 is rotatably connected to one end of the first joint link 3031, and a second rotary damper 302 is rotatably connected to the other end of the first joint link 3031.
  • the first joint link 3031 shown in FIG. 12 is a simplified illustration, and the shape of the first joint link 3031 is not limited to the shape shown in FIG. 12 and may be formed in various shapes.
  • the second joint link 3032 is disposed between the first joint link 3031 and the intermediate link 304.
  • One end of the second joint link 3032 is connected to a portion of the first joint link 3031.
  • a portion of the first joint link 3031 represents a part of the first joint link 3031 that connects one end and the other end of the first joint link 3031.
  • the other end of the second joint link 3031 is rotatably connected to one end of the intermediate link 304.
  • the other end of the second joint link 3031 is connected to one end of the intermediate link 304, and can rotate clockwise or counterclockwise with one end of the intermediate link 304 as the central axis of rotation.
  • the second joint link 3032 shown in FIG. 12 is shown as a bar shape with a preset length, but is not limited thereto and may be formed in various shapes.
  • the intermediate link 304 is disposed outside the housing 100.
  • the intermediate link 304 is disposed between the joint link 303 and the support link 305 and connects the joint link 303 and the support link 305.
  • One end of the intermediate link 304 is rotatably connected to the other end of the second joint link 3032 constituting the joint link 303, as described above. And, the other end of the intermediate link 304 is connected to one end of the support link 305.
  • the intermediate link 304 shown in FIG. 12 is shown as a bar shape with a preset length, but is not limited thereto and may be formed in various shapes.
  • the support link 305 supports the elastic member 204 of the internal moving part 200, a pair of rotary dampers 301 and 302, the joint link 303, and the intermediate link 304.
  • the support link 305 is disposed to penetrate the interior of the housing 100. Specifically, the support link 305 is disposed to penetrate the housing 100 in a direction perpendicular to the longitudinal direction of the housing 100.
  • the support link 305 is disposed through the second slot 107 and the third slot 108 of the housing 100 and can move along the longitudinal direction of the second slot 107 and the third slot 108. there is.
  • the support link 305 is disposed between the intermediate link 304 and the damper driving unit 400, which will be described later, and connects the intermediate link 304 and the damper driving unit 400.
  • One end of the support link 305 is connected to the other end of the intermediate link 304. And, the other end of the support link 305 is connected to the connection gear 402 of the damper driving unit 400.
  • the support link 305 may move along the longitudinal direction of the second slot 107 and the third slot 108 of the housing 100 by driving the damper driving unit 400. As the support link 305 moves, the intermediate link 304, the joint link 303, and the pair of rotary dampers 301 and 302 connected to the support link 305 also move. That is, when the support link 305 moves, the damper assembly 300 moves.
  • the support link 305 moves from the third side wall 103 side of the housing 100 to the fourth side wall 104 side ( (from left to right) moves a preset distance.
  • the support link 305 moves from the fourth side wall 104 side of the housing 100 to the third side wall 103. Moves to the side (from right to left) by a preset distance.
  • the support link 305 shown in FIG. 12 is shown as a bar shape with a preset length, but is not limited thereto and may be formed in various shapes.
  • the intermediate link 304 and the support link 305 may be manufactured separately and combined with each other, but may be formed integrally to form one component.
  • the integrally formed link structure may have one or more bent bent portions.
  • the damper driving unit 400 is connected to the damper assembly 300. Specifically, the damper driving unit 400 is connected to the support link 305 of the damper assembly 300 and moves the damper assembly 300.
  • the damper driving unit 400 is fixed to the housing 100 and/or the door.
  • the damper driving unit 400 includes a motor 401, a linear gear 403, and a connecting gear 402.
  • the motor 401 represents a commonly used motor.
  • the motor generates rotational force by the force acting between the current flowing in the coil of the rotor and the magnetic field of the stator, and represents a machine that obtains rotational force from electrical energy.
  • the motor 401 includes wires (not shown) and is driven by electricity.
  • the motor 401 is fixed to the housing 100 and/or the door.
  • the linear gear 403 may be connected to the rotation axis of the motor or may be the rotation axis of the motor.
  • the linear gear 403 is formed in a bar shape with a circular cross-section and a preset length.
  • the linear gear 403 includes threads formed along the outer peripheral surface.
  • the linear gear 403 rotates clockwise or counterclockwise.
  • the connecting gear 402 connects the linear gear 403 and the damper assembly 300.
  • the connecting gear 402 is movably connected to the linear gear 403, and one side of the connecting gear 402 is connected to the damper assembly 300 (specifically, the support link 305).
  • the connecting gear 402 includes a through hole.
  • a thread is formed on the inner peripheral surface of the connection gear 402 surrounding the through hole.
  • a linear gear 403 is disposed in the through hole.
  • the connecting gear 402 moves away from the motor 401 (from left to right) or toward the motor 401. It moves a preset distance (from right to left). Accordingly, the damper assembly 300 connected to the connecting gear 42 also moves together with the connecting gear 42.
  • the damper driving unit 400 may be composed of a solenoid.
  • the solenoid represents a commonly used solenoid.
  • the solenoid generally has a structure in which a copper wire is wound around a fixed iron core in a coil shape, and a movable iron core moves up and down around the center of the solenoid.
  • the solenoid is fixed to the housing 100 and/or the door.
  • a solenoid is a device that converts electrical energy into mechanical movement.
  • the movable iron core moves by electromagnetic force, and when the current is cut off from the solenoid, the movable iron core returns to its original position by the restoring force of the spring fastened to the movable iron core.
  • the solenoid of the damper driving unit 400 corresponds to the motor 401 of the damper driving unit 400 according to an example of an embodiment of the present invention.
  • the movable iron core of the solenoid corresponds to the linear gear 403.
  • a connecting member corresponding to the connecting gear 402 is connected to the movable iron core of the solenoid.
  • the piston driving unit 50 moves the piston assembly 30.
  • the body driving unit 500 connects the housing 10 and the fixture.
  • the body drive unit 500 includes a rotating gear 501 and a connecting link 502.
  • the rotating gear 501 is disposed inside the housing 100. Specifically, the rotating gear 501 is disposed inside the housing 100 at a position where it engages with the gear teeth 203 formed on the internal moving part 200 (specifically, the body 201).
  • the rotating gear 501 engages with gear teeth 203 formed on the body 201 of the internal moving part 200 and can rotate.
  • the rotating gear 501 is a type of pinion gear
  • the gear teeth 203 of the internal moving part 200 are a type of rack gear.
  • the internal moving part 200 (specifically, the body 201) moves linearly within the housing 100 along the longitudinal direction of the housing 100.
  • the internal moving part 200 (specifically, the body 201) moves in one direction or the opposite direction of one direction within the housing 100. moves in a straight line. That is, by the rotation of the rotary gear 501, the internal moving part 200 (specifically, the body 201) moves linearly in one direction or in a direction opposite to one direction within the housing 100.
  • the rotating gear 501 rotates clockwise or It rotates counterclockwise.
  • the connecting link 502 is connected to the rotating gear 501.
  • the rotating gear 501 rotates clockwise or counterclockwise. Also, on the contrary, when the rotation gear 501 rotates clockwise or counterclockwise, the connecting link 502 moves along a constant trajectory.
  • the fixture refers to a wall or door frame on which a door is installed.
  • One end of the connecting link 502 is connected to the rotating gear 501 and rotates the rotating gear 501.
  • One end of the connecting link 502 may be connected to the rotating gear 501 by a bolt or screw fastening method.
  • the fastening method of one end of the connecting link 502 and the rotating gear 501 is all fastening methods in which one end of the connecting link 502 rotates the rotating gear 501 when the connecting link 502 moves. Includes.
  • connection link 502 is rotatably connected to the fixture.
  • connection link 502 may be connected to the fixture through a hinge coupling.
  • the connecting link 502 includes a first connecting link and a second connecting link.
  • one end of the first connecting link is rotatably connected to the rotation gear 501
  • the other end of the first connecting link is rotatably connected to one end of the second connecting link
  • the second connecting link is rotatably connected to one end of the second connecting link.
  • the other end of the connection link is rotatably connected to the fixture.
  • the internal moving unit 200 is interlocked with the door. That is, as the door is opened or closed, the internal moving part 200 moves in one direction or the opposite direction in the internal space of the housing 100.
  • the housing 100 installed on the door moves together with the door.
  • the connecting link 502 rotatably connected to the rotating gear 501 disposed in the housing 100 also moves.
  • the rotation gear 501 rotates clockwise or counterclockwise.
  • the internal moving part 200 moves linearly in one direction or in the opposite direction within the housing 100.
  • the door is opened or closed.
  • a conventional door closer performs the role of closing an open door, but does not perform the role of opening a closed door.
  • the automatic door opening and closing device can automatically open the door and automatically close the opened door.
  • automatic indicates that the door is opened or closed by the operation of the automatic door opening and closing device of the present invention even if the user does not open or close the door.
  • the automatic door opening and closing device includes a control unit.
  • the control unit controls the damper driving unit 400.
  • the control unit controls the damper driver 400 to operate the damper driver 400.
  • the door open signal represents an electrical signal generated when a user operates a door open button installed inside or outside the door.
  • the door closing signal represents an electrical signal generated when a user operates a door closing button installed inside or outside the door.
  • the door open button and the door close button may be formed as one door button.
  • a door open signal is generated and a door open signal is input to the control unit
  • a door close signal is generated and a door close signal is input to the control unit. is entered.
  • the door open signal represents an electrical signal generated when a user recognizes a door card in a door card recognition system installed inside or outside the door while the door is closed.
  • the door closing signal represents an electrical signal generated when a user recognizes a door card in a door card recognition system installed inside or outside the door while the door is open.
  • the door open signal or door close signal is input to the control unit.
  • the door open signal or the door close signal may be generated by a device or method other than the door open button or door close button, door button, and door card recognition system described above.
  • the control unit When a door open signal or a door close signal is input, the control unit turns on or off the electricity supplied to the motor 401 or solenoid of the damper driving unit 400 to operate the motor 401 or solenoid. It may stop working.
  • the operating principle of the automatic door opening and closing device according to the example of the second embodiment of the present invention is as follows.
  • the automatic door opening and closing device according to the example of the second embodiment of the present invention is mounted on the door and the fixture.
  • the automatic door opening and closing device of the present invention includes a housing 100, an internal moving part 200 disposed inside the housing 10, and a damper disposed outside the housing 100 and connected to the internal moving part 200. It is provided with an assembly 300, a body driving part 500, and a damper driving part 400 that moves the damper assembly 300.
  • the housing 100 may be placed (mounted) on a door, for example, and the connection link 502 of the body drive unit 500 may be connected (fastened) to a fixture.
  • Figure 13 is a cross-sectional view schematically showing the automatic door opening and closing device of the present invention in a closed state.
  • the door is closed and the elastic member 204 is in a normal state.
  • the normal state of the elastic member 204 refers to a state in which the elastic member 204 is not stretched or compressed.
  • the first rotary damper 301 or the second rotary damper 302 of the damper assembly 300 is connected to the damper contact teeth 202 of the internal moving part 200. They are interlocked.
  • Figure 14 shows a state in which the damper drive unit operates with the door closed and the support link of the damper assembly moves in one direction.
  • the control unit when a door open signal is input to the control unit in a closed state (state shown in FIG. 13), the control unit operates the damper driving unit 400 (e.g., motor 401). .
  • the damper driving unit 400 By the operation of the damper driving unit 400, the support link 305 of the damper assembly 300 moves in one direction.
  • one direction represents a direction from the third side wall 103 side of the housing 100 to the fourth side wall 104 side.
  • the support link 305 of the damper assembly 300 is positioned on the third side wall 103 side of the housing 100. It moves toward the fourth side wall 104 (from left to right) by a preset distance.
  • the internal moving part 200 is in a state where it is not moving in one direction (the door is still closed)
  • the elastic member 204 disposed in is tensioned as the support link 305 moves in one direction. That is, the door is in a closed state, and the elastic member 204 is in a tensioned state.
  • the intermediate link 304 connected to the support link 305 also moves in one direction.
  • the middle link 304 moves, it pulls the joint link 303 connected to the middle link 304 in one direction, and the joint link rotates clockwise.
  • the second rotary damper 302 of the damper assembly 300 is engaged with the damper contact teeth 202 of the internal moving part 200.
  • the second rotary damper 302 is a counterclockwise rotary damper.
  • Figure 15 shows a state in which the internal moving part moves and the door is opened.
  • one direction represents a direction from the third side wall 103 side of the housing 100 to the fourth side wall 104 side.
  • the second rotary damper 302 of the damper assembly 300 engaged with the damper contact teeth 202 of the internal moving part 200 rotates counterclockwise. Accordingly, the internal moving part 200 moves slowly (at a slow speed) in one direction.
  • the rotation gear 501 of the body driving part 500 engaged with the gear teeth 203 of the internal moving part 200 rotates. Accordingly, the connecting link 502 rotatably connected to the rotating gear 501 moves, and the door connected to the connecting link 502 also moves (opens). Since the internal moving part 200 moves slowly, the door also opens slowly.
  • the door is open, and the elastic member 204 is returned to its original shape and is in a normal state.
  • the body driving part 500 When the user applies force to close the open door, the body driving part 500 operates (that is, the connecting link 502 moves and the rotation gear 501 rotates), and the internal moving part 200 moves in one direction. You can move in the opposite direction.
  • the direction opposite to one direction represents a direction from the fourth side wall 104 side of the housing 100 to the third side wall 103 side.
  • the second rotary damper 302 of the damper assembly 300 engaged with the damper contact teeth 202 of the internal moving part 200 rotates clockwise. Since the second rotary damper 302 is a counterclockwise rotary damper, it can rotate clockwise in a relief state without torque. Accordingly, the internal moving part 200 can move in one direction opposite to the other, the elastic member 204 is tensioned, and the door is closed.
  • Figure 16 shows a state in which the damper drive unit operates with the door open and the support link of the damper assembly moves in one direction opposite to the other.
  • the control unit when a door closing signal is input to the control unit in an open state (state shown in FIG. 15), the control unit operates the damper driving unit 400 (e.g., motor 401). .
  • the damper driving unit 400 By the operation of the damper driving unit 400, the support link 305 of the damper assembly 300 moves in one direction opposite to the other.
  • the direction opposite to one direction indicates a direction from the fourth side wall 104 side of the housing 100 to the third side wall 103 side.
  • the support link 305 of the damper assembly 300 is positioned on the fourth side wall 104 side of the housing 100. It moves toward the third side wall 103 (from right to left) by a preset distance.
  • the support link since the internal moving part 200 is in a state where it is not moving in the opposite direction (the door is still open), the support link ( The elastic member 204 disposed between 305 is compressed as the support link 305 moves in one direction opposite to the other. That is, the door is in an open state, and the elastic member 204 is in a compressed state.
  • the intermediate link 304 connected to the support link 305 also moves in the opposite direction to one direction. moves to .
  • the middle link 304 moves, it pushes the joint link 303 connected to the middle link 304 in one direction opposite to the other, and the joint link rotates counterclockwise.
  • the first rotary damper 301 of the damper assembly 300 is engaged with the damper contact teeth 202 of the internal moving part 200.
  • the first rotary damper 302 is a clockwise rotary damper.
  • FIG. 13 shows a state in which the internal moving part moves and the door is closed. That is, Figure 13 is a cross-sectional view schematically showing the automatic door opening and closing device of the present invention in a closed state.
  • the elastic member 204 when the elastic member 204 is compressed while the door is open (state shown in FIG. 16), the elastic member 204 generates a restoring force, and the restoring force of the elastic member 204 As a result, the internal moving part 200 moves in the opposite direction of one direction along the linear guide 105.
  • the direction opposite to one direction represents a direction from the fourth side wall 104 side of the housing 100 to the third side wall 103 side.
  • the first rotary damper 301 of the damper assembly 300 engaged with the damper contact teeth 202 of the internal moving part 200 rotates clockwise. do. Accordingly, the internal moving part 200 moves slowly (at a slow speed) in the opposite direction of one direction.
  • the rotation gear 501 of the body driving unit 500 engaged with the gear teeth 203 of the internal moving unit 200 rotates. Accordingly, the connecting link 502 rotatably connected to the rotating gear 501 moves, and the door connected to the connecting link 502 also moves (closes). Since the internal moving part 200 moves slowly, the door also closes slowly.
  • the door is closed, and the elastic member 204 returns to its original shape and is in a normal state.
  • the body driving part 500 When a user applies force to open a closed door, the body driving part 500 operates (i.e., the connecting link 502 moves and the rotation gear 501 rotates), and the internal moving part 200 moves in one direction. You can move to .
  • one direction represents a direction from the third side wall 103 side of the housing 100 to the fourth side wall 104 side.
  • the first rotary damper 301 of the damper assembly 300 engaged with the damper contact teeth 202 of the internal moving part 200 rotates counterclockwise. Since the first rotary damper 301 is a clockwise rotary damper, it can rotate counterclockwise in a relief state without torque. Accordingly, the internal moving part 200 can move in one direction, the elastic member 204 is compressed, and the door is opened.
  • the automatic door opening and closing device can automatically open a closed door or automatically close an open door.
  • automatic indicates that the door is opened or closed by the operation of the automatic door opening and closing device of the present invention even if the user does not open or close the door.
  • This door opening and closing device of the present invention can be manufactured using (improved on) a conventional door closer.

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  • Power-Operated Mechanisms For Wings (AREA)

Abstract

Est divulgué un appareil d'ouverture/fermeture automatique de porte. L'appareil d'ouverture/fermeture automatique de porte ouvre automatiquement une porte fermée ou ferme automatiquement une porte ouverte. L'appareil d'ouverture/fermeture automatique de porte selon un mode de réalisation de la présente invention comprend un boîtier, une partie de support interne, un ensemble piston, une partie d'entraînement de support interne et une partie d'entraînement de piston. En outre, un appareil d'ouverture/fermeture automatique de porte selon un autre mode de réalisation de la présente invention comprend un boîtier, une partie de mouvement interne, un ensemble amortisseur, une partie d'entraînement d'amortisseur et une partie d'entraînement de corps.
PCT/KR2022/016650 2022-10-28 2022-10-28 Appareil d'ouverture/fermeture automatique de porte WO2024090621A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2022/016650 WO2024090621A1 (fr) 2022-10-28 2022-10-28 Appareil d'ouverture/fermeture automatique de porte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2022/016650 WO2024090621A1 (fr) 2022-10-28 2022-10-28 Appareil d'ouverture/fermeture automatique de porte

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WO2024090621A1 true WO2024090621A1 (fr) 2024-05-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0953365A (ja) * 1995-08-14 1997-02-25 Ryobi Ltd ドアクローザ
US20040035057A1 (en) * 2000-10-19 2004-02-26 Eric Backman Device for operating a door leaf or the like and door structure provided with such a device
JP2005282303A (ja) * 2004-03-31 2005-10-13 Fumiaki Tatsuma ドアクローザ
KR100899783B1 (ko) * 2008-11-27 2009-05-28 문홍식 도어체크의 분리형 방화문 폐문장치
EP2510174B1 (fr) * 2009-12-01 2020-12-30 dormakaba Deutschland GmbH Soupape hydraulique électromagnétique à voies et un dispositif de fermeture de porte avec un soupape hydraulique électromagnétique à voies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0953365A (ja) * 1995-08-14 1997-02-25 Ryobi Ltd ドアクローザ
US20040035057A1 (en) * 2000-10-19 2004-02-26 Eric Backman Device for operating a door leaf or the like and door structure provided with such a device
JP2005282303A (ja) * 2004-03-31 2005-10-13 Fumiaki Tatsuma ドアクローザ
KR100899783B1 (ko) * 2008-11-27 2009-05-28 문홍식 도어체크의 분리형 방화문 폐문장치
EP2510174B1 (fr) * 2009-12-01 2020-12-30 dormakaba Deutschland GmbH Soupape hydraulique électromagnétique à voies et un dispositif de fermeture de porte avec un soupape hydraulique électromagnétique à voies

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