Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
  • B66B13/02—Door or gate operation
  • B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors

Definitions

• the present invention relates to an elevator door device for opening and closing an entrance / exit of an elevator car and an elevator hall when an elevator car is landed.
• the elevator platform on each floor of the building is provided with an entrance for getting on and off the elevator car.
• An entrance / exit frame is provided so as to surround the entrance / exit, and a sliding door type landing door is installed in the entrance / exit frame, and the entrance / exit is opened and closed by the landing door.
• This landing door is normally closed, and when the car that goes up and down in the hoistway reaches the elevator landing and stops, it receives the driving force of the car as much as the door. It opens and closes.
• the force door of the car is provided with an engagement mechanism for engaging the landing door and transmitting the driving force of the force door to the landing door.
• the force door with driving force first moves in the door opening direction, and after moving more than a certain amount, the engagement mechanism is activated by that operation, and the car door and the landing door are engaged.
• the driving force of the force door is transmitted to the landing door, and the landing door moves together with the force door in the door opening direction to reach the door pocket.
• This closer is composed of a spring and a weight that urges the landing door in the door closing direction.
• the closer 1 always urges the landing door in the door closing direction. Therefore, if the closing force of the closer 1 is strengthened, the landing door is piled on the self-closing force when the landing door is opened. There is a problem that the door must always be moved in the door opening direction with a large driving force through the force door, leading to an increase in the size of the driving mechanism.
• the present invention has been made paying attention to such points, and when the door of the landing door is closed without strengthening the power of the closer, the landing door is reliably moved to a predetermined door closing position. It is an object of the present invention to provide an elevator door device that can achieve complete closing.
• the elevator door device of the present invention has the following components.
• the power door is driven by a drive unit.
• the car door When the door is opened, the car door is closed.
• the placement force moves by a certain distance in the door opening direction, the force door engages with the landing door through the engagement mechanism by this operation, and the landing door is opened integrally with the force door by this engagement.
• the car door and the landing door that are engaged with each other move in the door closing direction so that the force door and the landing door are at a certain distance from the door closing position.
• a toggle spring mechanism is provided, and is characterized in that The
• the elevator door device of the present invention has the following constitutional force. That is,
• the aforementioned toggle spring mechanism force A bracket that is pivotally attached to an entrance / exit frame that is provided so as to surround the entrance / exit of the elevator, and is connected to the bracket, and the bracket rotates to one side of the neutral position as a boundary. And a spring member that elastically urges the bracket in the direction of rotation on one side and elastically urges the bracket in the direction of rotation on the other side when rotating to the other side.
• An engagement member that can be engaged with the bracket is provided on the doorway, and when the force door and the landing door move in the door closing direction and approach the door closing position, the landing door is inserted into the bracket via the engagement member.
• the bracket door is rotated beyond the neutral position by the movement of the car door and the landing door in the door closing direction, and the landing door is elastically moved in the door closing direction by the spring member in response to the rotation.
• Push It is characterized in that attached.
• the elevator door device of the present invention has the following structural force. That is,
• the aforementioned toggle spring mechanism is pivotally attached to the landing door and is connected to the bracket.
• the bracket rotates to one side of the neutral position, the bracket is moved to one side.
• a spring member that elastically urges in the direction of rotation of the door and urges it in the direction of rotation of the other side when rotating to the other side, and is provided so as to surround the entrance / exit of the elevator.
• An engagement member that can engage with the bracket is provided in the entrance / exit frame, and the bracket of the landing door is engaged when the force door and the landing door move in the door closing direction and approach the door closing position.
• the car door and landing door The bracket is rotated beyond the neutral position by the movement in the door closing direction, and the landing door is elastically pressed in the door closing direction by the spring member according to the rotation.
• the elevator door device of the present invention has the following constitutional force. That is,
• the above-mentioned toggle spring mechanism is equipped with a shock-absorbing member that reduces the impact when the bracket rotates! /
• FIG. 1 is a front view showing a state of the door device according to the first embodiment of the present invention when the door is opened.
• FIG. 2 is a front view showing a first stage state during the door closing operation of the door device.
• FIG. 3 is a front view showing a second stage state during the door closing operation of the door device.
• FIG. 4 is a front view showing a state when the door device is completely closed.
• FIG. 5 is a front view showing a modified example in which a buffer member is attached to a stagger of a toggle spring mechanism in the door device.
• FIG. 6 is a front view showing a state of a first stage in the middle of a door closing operation of a door device according to a second embodiment of the present invention.
• FIG. 7 is a front view showing a second stage state during the door closing operation of the door device.
• FIG. 8 is a front view showing a state of the door device when the door is completely closed.
• FIG. 9 is a front view showing a modification in which a buffer member is attached to a stagger of a toggle spring mechanism in the door device.
• FIG. 1 to 4 show a first embodiment. These figures are front views of the internal force of the elevator hoistway provided in the building as seen from the elevator landing side.
• An entrance / exit 1 is formed on the wall surface of the elevator hall, and an entrance / exit frame 2 is installed on the wall surface so as to surround the entrance / exit 1.
• the entrance / exit frame 2 has a pair of vertical beams 3a and 3b and a horizontal beam 4 installed between the upper portions of the vertical beams 3a and 3b.
• a guide rail 5 is attached to the horizontal beam 4 horizontally.
• Reference numeral 10 denotes a landing door that opens and closes the doorway 1.
• the landing door 10 has a hanger 11 on the upper part, and the hanger 11 is movably suspended on the above-described guide rail 5, and this landing door 10 is a guide. By moving along the rail 5, the doorway 1 is opened and closed.
• a toggle spring mechanism 14 is provided on the lateral beam 4 of the entrance / exit frame 2.
• the toggle spring mechanism 14 includes a bracket 15, and one end of the bracket 15 is rotatably attached to the cross beam 4 via a shaft 16.
• a U-shaped engagement groove 17 extending toward the intermediate portion is cut out from the other end of the bracket 15.
• the edge of the engagement groove 17 on the open side is a guide portion 18 that expands in a tapered shape toward the outside of the end portion of the bracket 15.
• First and second stoppers 20a and 20b are attached to the horizontal beam 4 on both the left and right sides of the bracket 15, and a coil, for example, is provided between the substantially middle portion of the bracket 15 and the horizontal beam 4.
• a spring member 22 made of a spring is stretched.
• the bracket 15 rotates about the shaft 16 in the clockwise and counterclockwise directions in the figure with a neutral position extending in a substantially vertical direction as a boundary.
• the spring member 22 extends substantially vertically along the center line of the bracket 15 when the bracket 15 is in a neutral position, and when the bracket 15 rotates clockwise, the spring member 22 is inclined obliquely downward to the left so that the bracket 15 is When the bracket 15 pivots counterclockwise and rotates counterclockwise, the direction of the bracket 15 and the bracket 15 is reversed and tilted diagonally to the right, and the bracket 15 is resiliently biased counterclockwise. I'm getting stronger.
• the bracket 15 is inertially urged through the spring member 22, thereby rotating clockwise and contacting the first stubber 20a, and counterclockwise rotating first. It is held in a bistable state with the state in contact with the second stagger 20b.
• An engagement pin 25 is attached to the hanger 11 of the landing door 10 as an engagement member that can engage with the engagement groove 17 of the bracket 15 according to the movement of the landing door 10. Yes.
• [0028] 27 shown by a chain line in the figure is a sliding door type car door that opens and closes the entrance / exit of the car that moves up and down in the hoistway, and this car door 27 can be engaged with the landing door 10 28 is provided.
• the car is provided with a drive (not shown) that drives the force door 27. It is.
• the landing door 10 moves in the door closing direction integrally with the force door 27 driven by the driving device.
• the bracket 15 is held in a stable state in contact with the first stopper 20a and inclined obliquely downward toward the door pocket 30 side.
• the bracket 15 When the landing door 10 reaches the door closing position S, the bracket 15 is held in a stable state in which the bracket 15 abuts against the second stopper 20b and tilts obliquely downward to the right.
• the force door 27 which is disengaged from the landing door 10 is moved to a predetermined door closing position by the driving force of the driving device, and the entrance of the car is closed.
• the landing door 10 and the car door 27 are closed, the landing door 10 and the car door 27 are disengaged, and the car can be raised and lowered.
• bracket 15 When the landing door 10 moves in the door opening direction as shown in FIG. 4, the bracket 15 first stakes on the elastic force of the spring member 22 and rotates clockwise according to the movement. Then, when the landing door 10 moves to a certain distance, the bracket 15 exceeds the neutral position, the direction of action of the elastic force of the spring member 22 is reversed, and this acts as a force for rotating the bracket 15 clockwise.
• a buffer member 33 that also has an inertia material force such as rubber to the outer periphery of each of the stubbers 20a and 20b with which the bracket 15 abuts. According to the configuration, the shock and noise when the bracket 15 comes into contact with the stoppers 20a and 20b can be absorbed and reduced by the buffer member 33.
• a sheet-like buffer member that also has an inertia material force such as rubber is attached to both side edges of the bracket 15, and the bracket 15 is stopped via the buffer member. It is also possible to adopt a configuration in which it abuts against 20a, 20b. In this case as well, the shock and noise when the bracket 15 abuts against the stoppers 20a, 20b can be absorbed and reduced by the buffer member. .
• FIG. 6 to 8 show a second embodiment.
• the bracket 15 of the toggle spring mechanism 14 is pivotable to the hanger 11 of the landing door 10 via the shaft 16. It is installed.
• a spring member 22 is stretched between a substantially intermediate portion of the bracket 15 and the lateral beam 4 of the entrance / exit frame 2, and an engagement pin 25 that can be engaged with the engagement groove 17 of the bracket 15 is attached to the lateral beam 4.
• the landing door 10 approaches to just before the door closing position S.
• the elastic force of the spring member 22 is applied to the landing door 10, and thus the closer force that moves the landing door 10 in the door closing direction is strengthened. It is possible to achieve a complete closing by accurately moving the landing door 10 to the door closing position S.
• bracket 15 When the landing door 10 reaches the door closing position S, the bracket 15 is held in a stable state in which the bracket 15 contacts the second stopper 20b and is inclined obliquely upward to the left.
• the bracket 15 When the landing door 10 moves in the door opening direction as well, the bracket 15 first rotates clockwise around the shaft 16 against the elastic force of the spring member 22 according to the movement. When the landing door 10 moves to a certain distance, the bracket 15 exceeds the neutral position, the direction of the elastic force of the spring member 22 is reversed, and the bracket 15 works as a force for rotating the bracket 15 clockwise.
• a buffer member 33 that also has an inertia material force such as rubber is attached to the outer periphery of each stopper 20a, 20b with which the bracket 15 abuts. It is possible.
• the shock and noise when the bracket 15 comes into contact with the stoppers 20a and 20b can be absorbed and reduced by the buffer member 33.
• a sheet-like buffer member that also has an inertia material force such as rubber is attached to both side edges of the bracket 15, and the bracket 15 is brought into contact with the stoppers 20a and 20b via the buffer member In this case, the shock and noise when the bracket 15 comes into contact with the stoppers 20a and 20b can be absorbed and reduced by the buffer member.
• a single door type door device that opens and closes the entrance of the elevator platform by moving one landing door in the left-right direction.
• the two landing doors are connected to each other.
• the doors are of the double-opening type that opens and closes the doorway symmetrically, or multiple landing doors are lined up in front and back, and each landing door is in the same direction on the left and right
• the present invention can be similarly applied even to a multi-speed door device that opens and closes an entrance by moving at different speeds.
• the double door type or multi-speed door device described above has a structure in which the remaining landing doors move in conjunction with one landing door.
• the toggle spring mechanism of this invention should be incorporated into the door!
• the landing door when the landing door is closed without strengthening the power of the closer, the landing door is reliably moved to a predetermined door closing position to achieve complete closing. Is possible.

Landscapes

• Elevator Door Apparatuses (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37023599

Family Applications (1)

Country Status (5)

Families Citing this family (3)

Citations (2)

• 2005
  • 2005-03-23 JP JP2005084159A patent/JP2006264856A/ja active Pending
• 2006
  • 2006-03-06 TW TW095107460A patent/TW200702277A/zh not_active IP Right Cessation
  • 2006-03-09 CN CNA2006800059475A patent/CN101128386A/zh active Pending
  • 2006-03-09 WO PCT/JP2006/304575 patent/WO2006100928A1/ja active Application Filing
  • 2006-03-14 MY MYPI20061100 patent/MY149468A/en unknown

Patent Citations (2)

Also Published As

Similar Documents

Legal Events