JP2017001854A - Door device of elevator - Google Patents

Door device of elevator Download PDF

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Publication number
JP2017001854A
JP2017001854A JP2015119528A JP2015119528A JP2017001854A JP 2017001854 A JP2017001854 A JP 2017001854A JP 2015119528 A JP2015119528 A JP 2015119528A JP 2015119528 A JP2015119528 A JP 2015119528A JP 2017001854 A JP2017001854 A JP 2017001854A
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Japan
Prior art keywords
door
sill
cam
pin
elevator
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JP2015119528A
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Japanese (ja)
Inventor
隼人 鈴木
Hayato Suzuki
隼人 鈴木
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東芝エレベータ株式会社
Toshiba Elevator Co Ltd
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Priority to JP2015119528A priority Critical patent/JP2017001854A/en
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Abstract

There is provided an elevator door device capable of eliminating the occurrence of a door failure due to accumulation of foreign matter in a sill groove and improving the impact resistance against an impact force in the direction of getting on and off the door panel. According to one embodiment of the present invention, a door panel is suspended from a horizontal door rail and has shoes at the lower side of the door end, respectively, and a sill upper surface below the door panel. 15, a sill 19 having sill grooves 17 and 18 formed in holes 80 and 81 opened on the upper surface 15 and sill longitudinal ends of the holes 80 and 81, respectively, and a position above the sill upper surface 15 of the sill 19 and The pins 82 and 83 of the door panels 13 and 14 that are moved up and down between the positions in the holes 80 and 81 and biased upward are raised or lowered in conjunction with the movement of the door panels 13 and 14. There is provided an elevator door device including door lock mechanisms 84 and 85 for inserting pins 82 and 83 into holes 80 and 81 when the door is closed. [Selection] Figure 1

Description

  The present invention relates to an elevator door device.

  A landing sill in which a sill groove is formed is provided at the elevator entrance / exit, and the landing door is opened and closed when the shoe of the door moves in the sill groove (see, for example, Patent Document 1). 2. Description of the Related Art Conventionally, there is known an elevator hall entrance / exit device having a structure in which the left and right landing doors are restrained from moving in the left-right direction so that the doors are not dropped off (see, for example, Patent Document 2). In addition, foreign materials such as dust may be clogged in the sill groove due to entrances and exits of people and trolleys, etc. An elevator door guide device is known (see, for example, Patent Document 3).

JP 2005-138916 A Japanese Patent Laid-Open No. 4-197990 JP 2009-166970 A

  However, in the sill groove-less structure in which the sill groove is completely eliminated from the sill, the door moves without being guided by the sill groove, so that the landing door moves in the getting-on / off direction intersecting the sill longitudinal direction. Since the lower end of the door panel cannot be fixed when the door is closed, the impact resistance against the impact force when a human body or a carriage collides with the door is not sufficient. It cannot cope with the impact force in the direction of getting on and off.

  The present invention has been devised in view of such a problem, and it is possible to eliminate the occurrence of door failure due to accumulation of foreign matter in the sill groove and to improve the impact resistance against the impact force in the direction of getting on and off the door panel. An object is to provide an elevator door device.

  In order to solve such a problem, according to one embodiment of the present invention, a plurality of door panels suspended from horizontal door rails and having a shoe below each end of the door pocket side, a sill upper surface below these door panels, A sill having a hole opened on the top surface of the sill for each door panel and a sill groove formed on each side in the sill longitudinal direction of the hole, and a position above the top surface of the sill and a position in the hole And a door lock mechanism that pushes the pin up and down in conjunction with the movement of the door panel and inserts the pin into the hole when the door is closed. An elevator door device is provided.

  According to another embodiment of the present invention, a plurality of door panels suspended from a horizontal door rail and having a shoe below each end portion on the door pocket side, a sill upper surface below these door panels and both sill longitudinal ends. And a pressing member for each door panel that is vertically moved between a position above the sill upper surface of the sill and a contact position in contact with the sill upper surface and biased upward. And a door lock mechanism that raises or lowers the pressing member in conjunction with the movement of the door panel, and closes the pressing member to the upper surface of the sill when the door is closed. Provided.

  According to the present invention, it is possible to eliminate the occurrence of door failure due to accumulation of foreign matter in the sill groove, and it is possible to improve impact resistance against impact force in the direction of getting on and off the door panel.

It is a front view of the door apparatus of the elevator which concerns on 1st Embodiment of this invention. (A) is a top view of the sill of the elevator door device according to the first embodiment of the present invention, and (b) shows the positional relationship between the door panel and the sill of the elevator door device according to the first embodiment of the present invention. It is a figure shown, (c) is a longitudinal cross-sectional view of the sill of the door apparatus of the elevator which concerns on 1st Embodiment of this invention. It is a figure which shows the connection structure of the door lock mechanism of the door apparatus of the elevator which concerns on 1st Embodiment of this invention. (A), (b) is a figure which shows the some cam surface used for the door lock mechanism of the door apparatus of the elevator which respectively concerns on 1st Embodiment of this invention. (A), (b) is a some figure which shows the raising or lowering of the pin used for the door lock mechanism of the door apparatus of the elevator which concerns on 1st Embodiment of this invention, respectively. It is a figure which shows the connection structure of the door lock mechanism of the door apparatus of the elevator which concerns on the 1st modification of 1st Embodiment of this invention. It is a figure which shows the connection structure of the door lock mechanism of the door apparatus of the elevator which concerns on the 2nd modification of 1st Embodiment of this invention. It is a figure which shows the principal part structure of the door lock mechanism of the door apparatus of the elevator which concerns on the 3rd modification of 1st Embodiment of this invention. (A), (b) is a several figure which shows the structure of the door lock mechanism of the door apparatus of the elevator which concerns on 2nd Embodiment of this invention. It is a figure which shows the longitudinal cross-sectional structure of the landing sill of the door apparatus of the elevator which concerns on 2nd Embodiment of this invention. It is a front view of the door apparatus of the elevator which concerns on 3rd Embodiment of this invention.

  Hereinafter, an elevator according to an embodiment of the present invention will be described with reference to FIGS. 1 to 11. In the drawings, the same portions are denoted by the same reference numerals, and redundant description is omitted.

(First embodiment)
FIG. 1 is a front view of an elevator door device according to a first embodiment of the present invention. The figure shows the back of a double door panel as seen from the hoistway side. The door device of the elevator according to the present embodiment is a landing door device, which is a double-opening type door panel 13, 14 that has a shoe 20, 21 that is suspended from a horizontal door rail 12 and that is below a door-end portion, respectively. , 14 lower sill upper surface 15, door panels 13, 14 each having holes 80, 81 opening in the sill upper surface 15 and sill grooves 17, 18 formed on both ends of the holes 80, 81 in the sill longitudinal direction, respectively. Sill 19 (Sill).

  Fig.2 (a) is a top view of the sill of the door apparatus of the elevator which concerns on this embodiment. FIG.2 (b) is a figure which shows the positional relationship of the door panel and sill of the door apparatus of the elevator which concerns on this embodiment. FIG.2 (c) is a longitudinal cross-sectional view in alignment with the AA 'line | wire of Fig.2 (a) of the sill of the door apparatus of the elevator which concerns on this embodiment. In these drawings, the upper and lower portions correspond to the hoistway and the landing 10, respectively. The same elements as those described above represent the same elements.

  Furthermore, the door device of the elevator according to the present embodiment moves up and down between the position above the sill upper surface 15 of the landing sill 19 and the position within the holes 80 and 81 and is urged upward. The door lock mechanisms 84 and 83 are inserted into the holes 80 and 81 when the doors are closed, and the pins 82 and 83 are raised or lowered in conjunction with the movement of the door panels 13 and 14, respectively. And.

  A three-way frame 36 (FIG. 2B) is provided at the entrance 11 of the hall 10 on each floor of FIG. 1, and a header case 25 is provided on the hoistway wall surface 24 around the entrance 11. The door rail 12 is mounted horizontally on the header case 25 in the direction of the entrance of the entrance 11 and is parallel to the longitudinal direction of the sill 19 and the entrance direction of the entrance 11. A pair of door hangers 26 and 27 are slidably mounted on the door rail 12 via hanger rollers (not shown), and door panels 13 and 14 are suspended from the door hangers 26 and 27, respectively.

  The door panel 13 is fixed to the door hanger 26 at two locations on the upper side, and a shoe 20 is fitted into the sill groove 17 at the door bag side end at the lower end of the door panel 13. The door panel 14 is also fixed to the door hanger 27 at two locations above, and a shoe 21 is fitted into the sill groove 18 at the lower end of the door pocket side. The boarding / exiting range through which a person passes out of the entire range of the sill upper surface 15 is a flat surface. The shoes 20 and 21 are both guide shoes. A locking mechanism 28 and an interlock device 29 may be provided above the door panels 13 and 14 so as to face the hoistway side. The locking mechanism 28 holds the door panels 13 and 14 in a closed state. The interlock device 29 holds the door panels 13 and 14 in the door-closed state by the locking mechanism 28 or releases the door-closed state.

  Further, as shown in FIG. 2B, the door panel 13 has a design surface 32 and foldings 33 on both sides formed along the vertical direction at both ends in the door opening / closing direction. The shoe 20 is attached to the opposite surface of the design surface 32 of the door panel 13 via a bracket 34. The door panel 14 is the same as the door panel 13 example. The shoe 21 is attached to the opposite surface of the design surface 32 of the door panel 14 via another bracket 34. One sill groove 17 is formed from one door panel 13 end of the door panel 13 to one end 30 in the sill longitudinal direction when the door is closed. The other sill groove 18 is formed from the door bag side end of the other door panel 14 when the door is closed to the other end 31 in the sill longitudinal direction.

  The holes 80 and 81 are formed at substantially equal distances from the center of the sill longitudinal direction as shown in FIG. 2C, and have signal level hole bottoms. These holes 80 and 81 are formed so that the door contact portion between the door panels 13 and 14 when the door is closed is disposed at the center between the holes 80 and 81. The position of the hole 80 in the boarding / alighting direction intersecting the sill longitudinal direction is determined by the shape and structure of the door lock mechanisms 84 and 85. The position of the hole 80 may be, for example, the center of the long side pair of the sill upper surface 15. Various values can be selected for the hole 80 with respect to the hole diameter, hole depth, opening shape, hole wall inclination, and the like. The hole 81 is the same as the hole 80. The pins 82 and 83 are members locked in the holes 80 and 81, and are made of, for example, metal. The pins 82 and 83 have a strength, a pin diameter, and a pin length that do not break even when a load is applied to the door panels 13 and 14 and the door lock mechanisms 84 and 85.

  FIG. 3 is a view showing a connection structure of the door lock mechanism 84 of the elevator door device according to the present embodiment. The above described symbols represent the same elements. The door lock mechanism 84 includes an arm 86 (first swing member) and an arm 87 (second swing member) whose one ends are coaxially supported on the hoistway surface of the door panel 13, and the arm 86. A cam 88 having a cam surface that is pivotally supported at the end and slidably contacts the upper end of the pin 82, and a pivot fulcrum 89 that is pivotally supported at the other end of the arm 87 and fixed to the landing sill 19. This door lock mechanism 84 lowers the pin 82 in conjunction with the separation from the pivot fulcrum 89 when the door is closed, and the cam 88 rises in conjunction with the proximity to the pivot fulcrum 89 by opening the door. Or return to an upper position.

  In other words, the door lock mechanism 84 includes the cam 88 having the cam rotation shaft 90, the pivot end 93 to the cam 88, the pivot portion 94 on the door panel 13, the pivot fulcrum 89 fixed to the landing sill 19, and A link mechanism 95 that connects the pivot end 93, the pivot portion 94, and the rotation fulcrum 39 is provided. The link mechanism 95 includes an arm 86 (first swing member) between the pivot end 93 and the pivot portion 94, and an arm 87 (second swing portion) between the pivot portion 94 and the pivot fulcrum 39 coaxial with the arm 86. Moving member).

  In FIG. 1, the right door lock mechanism 85 includes a cam 88 and a link mechanism 95 provided on the door panel 14 side and arranged symmetrically with the door lock mechanism 84. The details of the connection structure of the door lock mechanism 85 are substantially the same as the configuration of the door lock mechanism 84 of FIG.

  FIG. 4A and FIG. 4B are views showing a plurality of cam surfaces used in the door lock mechanism 84 of the elevator door device according to the present embodiment. The above described symbols represent the same elements. The cam 88 has a cam curve on the outer peripheral portion that contacts the upper end of the pin 82. The cam 88 has a first cam surface 91 for inserting the pin 82 into the hole 80 at the first radius R1 from the cam rotation shaft 90 as shown in FIG. The cam 88 has the 2nd cam surface 92 which makes the pin 82 retract | emit from the hole 80 in 2nd radius R2 from the cam rotating shaft 90 like FIG.4 (b). Various shapes can be used for the cam shape and the positions of the cam surfaces 91 and 92 shown in FIGS. 4A and 4B, and the cam shape is not limited to the example shown in FIG.

  FIG. 5A and FIG. 5B are a plurality of views showing the ascending or descending of the pin 82 used in the door lock mechanism 84 of the elevator door device according to the present embodiment. The above described symbols represent the same elements. As shown in FIG. 5A, the cam 88 brings the cam surface 91 into contact with the pin 82 by the extension of the arm 86 and the arm 87 when the door is closed. The cam 88 abuts the cam surface 92 against the pin 82 by folding the arm 86 and the arm 87 by opening the door as shown in FIG. The insertion of the pin 83 into the hole 81 by the door lock mechanism 85, the ascending from the hole 81, the extension of the arms 86 and 87, and the example of the folding structure are the same as the examples of FIGS. 4 (a) to 5 (b).

  Next, the operation of the elevator door device (FIGS. 1 to 5) according to this embodiment having the above-described configuration will be described. In this elevator door device, the door panels 13 and 14 are initially closed, and the interlock device 29 is engaged with the car by the landing of the car, so that the locking mechanism 28 is unlocked. The door device for an elevator according to the present embodiment opens the door panels 13 and 14 in conjunction with the door opening operation of the car by the door opening driving force received from the car side.

  The door lock mechanism 84 in the state shown in FIG. 5A releases the locked state of the pins 82 as shown in FIG. The lower end of each pin 82 in the upwardly biased state rises above the sill upper surface 15. In conjunction with this operation, the door lock mechanism 84 folds the arms 86 and 87 from the state of FIG. 5A as shown in FIG. 5B. The door lock mechanism 85 is similar to the example of the door lock mechanism 84. The door panel 13 moves from the center in the sill longitudinal direction toward the one end 30 in the sill longitudinal direction while being supported by the shoe 20 at the upper left and right two places and the lower door pocket side end. The door panel 14 is also moved from the center of the sill longitudinal direction to the other end 31 by the shoe 21 at the upper and lower two positions and the door pocket side end. The door panels 13 and 14 open the entrance 11 in a double-opening manner in the left and right directions opposite to each other along the landing sill 19.

  Moreover, the door apparatus of the elevator which concerns on this embodiment closes the door panels 13 and 14 with the door closing drive force of a car door. The door panels 13 and 14 move in a direction approaching each other. In the door lock mechanism 84, the arms 86 and 87 extend from the state of FIG. 5B, and the respective cams 88 are rotated. The pin 82 is pushed down by the cam surface 92. The door panels 13 and 14 are locked by the locking mechanism 28, and the entrance 11 is fully closed.

  According to the elevator door device according to the present embodiment, no sill groove is formed on the sill upper surface 15 in the passing range of the passenger at the entrance / exit 11 out of the entire length of the hall sill 19 in the longitudinal direction of the sill. In the range, foreign materials such as dust are clogged in the sill groove and the door panels 13 and 14 do not break down. Passengers, trolleys and the like pass through the entrance 11 by using the elevator, but there is no need to discharge foreign matter from the landing sill 19 to the outside. The sill upper surface 15 is flat and is very easy to clean. The flat sill upper surface 15 does not cause a step, and even if the carriage or the bed passes through the landing sill 19, it does not receive an impact. The cane or heel is not caught in the sill groove.

  Moreover, according to the door device for an elevator according to the present embodiment, the door panels 13 and 14 are guided by the shoes 20 and 21 at the end portion on the door pocket side, and the door panels 13 and 14 are locked by the door lock mechanisms 84 and 85 when the door is closed. Therefore, these door panels 13 and 14 do not move in the getting-on / off direction. The lower end of the door panel can be fixed when the door is closed, and the strength can be improved against the impact force applied from the landing 10 to the hoistway. According to the elevator door device according to the present embodiment, it is possible to eliminate the occurrence of door failure due to accumulation of foreign matter in the sill groove, and it is possible to maintain the impact resistance against the impact force in the getting-on / off direction and to improve the impact resistance. Can be made.

(First modification)
In the elevator door device according to the present embodiment, a member having a shape other than the arms 86 and 87 may be used as the swing member.

  FIG. 6 is a view showing a connection structure of a door lock mechanism of an elevator door device according to a first modification of the present embodiment. The above described symbols represent the same elements. Unless otherwise specified, the door device for an elevator according to the first modification has the same configuration as that shown in FIGS. 1 to 5 except for the elements shown in FIG.

  The door lock mechanism 84A includes a cam 88 having a cam rotation shaft 90 that is in contact with the upper portion of the pin 82 at a position where the lower end of the pin is at an upper position and a lower end of the pin is in the hole 80, and perpendicular to the door panel 13. A pivot end 93A, a pivot portion 94A on the door panel 13, a pivot fulcrum 89 fixed to the landing sill 19, and a link mechanism 95A for connecting the pivot end 93A, the pivot portion 94A and the pivot fulcrum 39. The link mechanism 95A includes a plate 86A (first swing member) between the pivot end 93A and the pivot portion 94A, and a plate 87A (first pivot member) between the pivot portion 94A and the pivot fulcrum 39 that are coaxial with the plate 86A. 2 rocking members). The plate 87A has a guide hole 96.

  Thereby, the cam 88 moves away from the rotation fulcrum 39 by the rotation of the plates 86A and 87A in conjunction with the opening and closing of the door, or the cam 88 approaches the rotation fulcrum 39, and the pin 82 is lowered or raised or Return upward.

(Second modification)
The structure of the first embodiment may be connected to a self-closing device.

  FIG. 7 is a view showing a connection structure of a door lock mechanism of an elevator door device according to a second modification of the first embodiment of the present invention. The above described symbols represent the same elements. Unless otherwise specified, the elevator door device according to the second modified example has the same configuration as that shown in FIGS. 1 to 5 except for the elements shown in FIG.

  The elevator door device according to the second modification includes door lock mechanisms 37 and 38 for the door panels 13 and 14, respectively. The door lock mechanism 37 includes a self-closing device 52 that has a weight 51 that moves up and down at the end portion of the door panel 13 of the door panel 13 and biases the door panel 14 in the door closing direction by the gravity of the weight 51, and one end connected to the weight 51. The other end is provided with a wire 53 (cord) connected to the pin 82 side. The wire 53 lowers the pin 82 by the free fall of the weight 51 by the self-closing device 52, and raises the pin 82 by lifting the weight 51.

  Similarly, the door lock mechanism 38 includes a self-closing device 61 that has a weight 60 that moves up and down at the end of the door panel 14 on the door pocket side and biases the door panel 13 in the door closing direction due to the gravity of the weight 60, and one end to the weight 60. A wire 62 (cord) connected at the other end to the pin 83 side is provided. The wire 62 lowers the pin 83 by the free fall of the weight 60 by the self-closing device 61, and raises the pin 83 by lifting the weight 60.

  The left self-closing device 52 has one end of a wire 55 connected to the door hanger 27 of one door panel 14 by a fixture 54, and a weight 51 is connected to the other end on the free end side of the wire 55. The wire 55 is pulled out horizontally to the end of the other door panel 13 on the door pocket side, and is hung downward via a pulley 56. Further, one end of a wire 53 on the door lock mechanism 37 side is connected to the weight 51. The wire 53 is turned through a pulley 57, for example, is drawn horizontally downward from the landing sill 19 toward the center of the sill longitudinal direction, and the other end of the wire 53 is connected to a pin 82 through three pulleys 58. Has been.

  The right self-closing device 61 has one end of a wire 63 connected to the other door hanger 26 and a weight 60 connected to the other end of the wire 63. The wire 63 is drawn horizontally to the end portion of the door panel 14 on the door pocket side, and is hung downward via a pulley 64. Further, one end of a wire 62 on the door lock mechanism 38 side is connected to the weight 60. The wire 62 is turned through a pulley 65 and is drawn horizontally downward from the landing sill 19 toward the longitudinal center of the sill. The other end of the wire 62 is connected to a pin 83 through three pulleys 59. Yes.

  Next, the operation of the elevator door device according to the second modification will be described. The elevator door device raises the weights 51 and 60 by opening the door panel 13 and 14 from the closed state. As the weights 51 and 60 rise, the pins 82 and 83 rise. The locked state of the pins 82 and 83 is released respectively. The door panels 13 and 14 open the entrance 11 in a double-opening manner in opposite directions along the landing sill 19.

  Further, in the elevator door device according to the second modified example, when the door is closed, the weights 51 and 60 are lowered by their own weights. Therefore, when the weights 51 and 60 are lowered, the wires 53 and 62 are lowered by the own weights of the pins 82 and 83. Is pulled to. These pins 82 and 83 fall into the holes 80 and 81, and the door panels 13 and 14 are locked. In the door panels 13 and 14, pins 82 and 83 are locked in the holes 80 and 81, and the entrance 11 is fully closed. Accordingly, the pins 82 and 83 are raised by the door lock mechanisms 37 and 38 in conjunction with the door opening movement of the door panels 13 and 14. Further, the pins 82 and 83 are lowered in conjunction with the door closing movement of the door panels 13 and 14, and the pins 82 and 83 are inserted into the holes 80 and 81 when the door is closed.

(Third Modification)
The door device for an elevator according to the embodiment may lock the door panels 13 and 14 by electrical control.

  FIG. 8 is a diagram showing a main configuration of a door lock mechanism of an elevator door device according to a third modification of the first embodiment of the present invention. The above described symbols represent the same elements. Unless otherwise specified, the door device for an elevator according to the third modified example has the same configuration as that shown in FIGS. 1 to 5 except for the elements shown in FIG.

  The elevator door device according to the third modification includes door lock mechanisms 70 on the door panels 13 and 14 respectively. The door lock mechanism 70 on the door panel 13 side includes an electric actuator 66 that moves the pin 82 up and down, and a controller 67 that lowers the pin 82 to a position in the hole 80 by driving the electric actuator 66 when the door is closed. Yes.

  The electric actuator 66 has a rod 69 that can be expanded and contracted from a case 68, and a pin 82 is connected to the tip of the rod 69. The electric actuator 66 advances the rod 69 from the case 68 in response to an ON signal from the controller 67 and causes the rod 69 to enter the case 68 in response to an OFF signal. The controller 67 is electrically connected to the elevator controller 72 via the wiring 71 in the building wall. An electric actuator 66 is driven for each door panel 13, 14, and each electric actuator 66 can be individually controlled by a controller 67.

  The elevator control unit 72 always outputs an off signal. When landing on the floor, the elevator control unit 72 outputs an ON signal to the controller 67 along with the output of the door open signal. The elevator control unit 72 outputs an off signal to the controller 67 when the door is closed. Thereby, control by a simple structure is attained.

(Second Embodiment)
A door lock mechanism having a structure other than the lock by pins and holes may be used.

  FIGS. 9A and 9B are a plurality of views showing the structure of the door lock mechanism of the elevator door device according to the second embodiment of the present invention. Among the above-described codes, elements having the same codes as those described above represent the same elements. Hereinafter, unless otherwise specified, the elevator door device according to the present embodiment has the same configuration as the door device of the first embodiment.

  The elevator door device according to the present embodiment includes a double door type door panel 13, 14, a sill upper surface 48 below the door panels 13, 14, and sill grooves 17, 18 formed on both ends in the sill longitudinal direction, respectively. 40. Furthermore, the door device of the elevator moves up and down between a position above the sill upper surface 48 of the landing sill 40 and a contact position in contact with the sill upper surface 48, and a pressing member 41 for each door panel 13, 14 biased upward. (Only one for the door panel 13 is shown), a door lock mechanism that raises or lowers the holding member 41 in conjunction with the movement of the door panels 13 and 14 and closes the holding member 41 to the sill upper surface 48 when the door is closed. 42.

  The holding member 41 is a foot portion of the door panel 13, which is narrower than the sill width of the landing sill 40 and is pressed against the sill upper surface 48, and a frame body that holds the molded body 45 and contacts the cam 47. 46. The molded body 45 is made of a material that does not damage the sill upper surface 48, for example, synthetic rubber. Alternatively, the molded body 45 may be made of a material having an inner layer made of aluminum and a surface layer of synthetic rubber covering the inner layer, and having cushioning properties and durability. The same pressing member 41 as the door panel 13 is also attached to the door panel 14.

  The door lock mechanism 42 includes arms 43 and 44 that are coaxially supported at one end on the door panel 13, a cam 47 that is pivotally supported at the other end of the arm 43 and abuts against the pressing member 41, and an arm 44 at the other end. And a pivoting fulcrum 89 that is pivotally supported.

  FIG. 10 is a view showing a longitudinal cross-sectional structure of the landing sill 40 of the elevator door device according to the present embodiment, and shows a cross section seen from the direction of arrow B in FIG. The above described symbols represent the same elements. The sill upper surface 48 of the landing sill 40 has one side 49 on the landing side and the other side 50 on the hoistway side in the getting-on / off direction, and the sill upper surface 48 is inclined upward from the one side 49 toward the other side 50. The bottom of the molded body 45 is in close contact with the sill upper surface 48 which is deformed and inclined by the weight of the door panel 13.

  Next, the operation of the elevator door device according to this embodiment will be described. As shown in FIG. 9A, when the door is closed, the door lock mechanism 42 on the door panel 13 side separates the cam 47 from the rotation fulcrum 89 in the horizontal direction, and lowers the pressing member 41 in conjunction with the separation operation. Since the door lock mechanism 42 applies a vertical drag to the pressing member 41 from above to below, a static frictional force acts between the contact surface of the pressing member 41 and the sill upper surface 48. The door panel 13 is locked in the door closed state. The door lock mechanism 42 (not shown) on the door panel 14 also brings the pressing member 41 into close contact with the door panel 14, and the door panel 14 is also locked in the door closed state. When the door is opened, as shown in FIG. 9B, the door lock mechanism 42 on the door panel 13 side raises the pressing member 41 by the rotation of the cam 47. Alternatively, the pressing member 41 returns to the upper position by the urging force.

  Even if an impact force is applied from the landing 10 to the hoistway due to the inclination of the sill upper surface 48 as shown in FIG. 10, the pressing member 41 is fixed to the inclined surface, so that the strength can be improved.

(Third embodiment)
In each of the first and second embodiments, the example is on the side of the landing sill 19 and the like, but the elevator door device according to the present embodiment may be used for a car sill on the car side.

  FIG. 11 is a front view of an elevator door device according to a third embodiment of the present invention. The figure shows a double-open car door as viewed from the landing 10 toward the hoistway.

  The elevator door device according to the present embodiment is a car door device, and a door rail 111 provided horizontally in the sill longitudinal direction of the car entrance 110 facing the entrance 11 of the hall 10 and a door pocket suspended from the door rail 111. Double-open door panels 114 and 115 having shoes 112 and 113 are provided below the side ends. Further, the elevator door device according to the present embodiment includes a sill upper surface 116 below the door panels 114 and 115, holes 117 and 118 that open to the sill upper surface 116 for each door panel 114 and 115, and both ends of the holes 117 and 118 in the sill longitudinal direction. And a car sill 121 (sill) having sill grooves 119 and 120 formed on the sides.

  Furthermore, the elevator door device according to the present embodiment moves up and down between the position above the sill upper surface 116 of the car sill 121 and the position within the holes 117 and 118 and is urged upward. The door lock mechanism 124, 125 is configured to raise or lower the pins 122, 123 in conjunction with the movement of the door panels 114, 115 and insert the pins 122, 123 into the holes 117, 118 when the door is closed. And.

  The elevator door device according to the present embodiment may be provided on the door panel 114 and may be provided with a car door side engaging portion 126 that provides an opening / closing driving force to the door panels 13 and 14 (FIG. 1 and the like) of the landing 10.

  Thereby, the door panels 114 and 115 are opened and closed in conjunction with the power of the car door driving device 128 on the car via the belt 127.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. The holes 80 and 81 may be through holes that penetrate the hall sill 19. Instead of the holes 80 and 81, a recess, a recess or a groove may be formed in the sill. The term referring to the holes 80 and 81 can be variously changed, and the superiority of the door device of the elevator according to the present embodiment is lost with respect to a product that is simply implemented by rephrasing the holes 80 and 81. I can't. The depth of the holes 80 and 81 into the sill body, the opening edge shape of the holes 80 and 81, the shape of the hole slope, the dimensions in the sill longitudinal direction, and the like can be variously changed. The holes 80 and 81 may be locked by a plurality of pins at a plurality of locations.

  The structure of the door lock mechanisms 84 and 85 in FIGS. 1 to 5 is an example, and the door lock mechanisms 84 and 85 can employ various shapes and structures. The rotation angle of the cam 88 and the shape of the cam surface can be changed, and are not limited to the example of FIG.

  In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

  DESCRIPTION OF SYMBOLS 10 ... Platform, 11 ... Entrance / exit, 12 ... Door rail, 13, 14 ... Door panel, 15 ... Sill upper surface, 17, 18 ... Sill groove, 19 ... Sill (landing sill), 20, 21 ... Shoe, 80, 81 ... Hole , 82, 83 ... pins, 84, 85 ... door lock mechanism.

In order to solve such a problem, according to one embodiment of the present invention, a plurality of door panels suspended from horizontal door rails and having a shoe below each end of the door pocket side, a sill upper surface below these door panels, between the position of the the sill with a hole and Shi Le longitudinal end sill groove formed respectively on the side that is open for each door panel to the sill upper surface, the upper position and the hole than the sill top of this sill And a door lock mechanism that pushes the pin up and down in conjunction with the movement of the door panel and inserts the pin into the hole when the door is closed. The door lock mechanism includes a rotation fulcrum for each door panel fixed to the sill at both ends of the sill longitudinal direction, and the door pad between the rotation fulcrum and the sill longitudinal center. A cam for each door panel having a cam rotation shaft pivotally supported by a cable; a first arm having one end pivotally supported by the cam; a second arm having one end pivotally supported by the rotation fulcrum; and these arms And a link mechanism having a pivot portion that is not fixed to the door panel and is pivotally supported above the pivot and the cam, and when the door is closed, the cam is closed in the door closing direction. The cam rotation shaft rotates the cam to lower the pin by a rotation amount corresponding to the first angle of the first arm with respect to the second arm by the movement of the first arm, and in the door opening direction of the cam when the door is opened. An elevator door device characterized in that the cam rotation shaft rotates the cam and returns the pin upward by a rotation amount corresponding to a second angle of the first arm with respect to the second arm by movement of the first arm. Is provided .

According to another embodiment of the present invention, a plurality of door panels suspended from a horizontal door rail and having a shoe below each end portion on the door pocket side, a sill upper surface below these door panels and both sill longitudinal ends. And a pressing member for each door panel that is vertically moved between a position above the sill upper surface of the sill and a contact position in contact with the sill upper surface and biased upward. When, the pressing member is raised or lowered in conjunction with the movement of the door panel, comprising a door lock mechanism for adhering the pressing member to the door closing on the sill top, the said door lock mechanism, it said sill longitudinal A pivot fulcrum for each door panel fixed to the sill on both ends, and a cam rotation pivoted on the door panel between the pivot fulcrum and the sill longitudinal center. A cam for each door panel having a shaft, a first arm whose one end is pivotally supported by the cam, a second arm whose one end is pivotally supported by the rotation fulcrum, and the other ends of these arms are the rotation fulcrums. And a link mechanism having a pivot portion that is not fixed to the door panel that is pivotally supported in a coaxial manner above the cam, and when the door is closed, the cam with respect to the second arm by movement in the door closing direction is provided. The cam rotation shaft rotates the cam by a rotation amount corresponding to the first angle of the first arm to lower the pressing member, and when the door is opened, the cam is moved in the door opening direction with respect to the second arm. An elevator door device is provided in which the cam rotation shaft rotates the cam by a rotation amount corresponding to a second angle of the first arm to return the pressing member upward .

It is a front view of the door apparatus of the elevator which concerns on 1st Embodiment of this invention. (A) is a top view of the sill of the elevator door device according to the first embodiment of the present invention, and (b) shows the positional relationship between the door panel and the sill of the elevator door device according to the first embodiment of the present invention. It is a figure shown, (c) is a longitudinal cross-sectional view of the sill of the door apparatus of the elevator which concerns on 1st Embodiment of this invention. It is a figure which shows the connection structure of the door lock mechanism of the door apparatus of the elevator which concerns on 1st Embodiment of this invention. (A), (b) is a figure which shows the some cam surface used for the door lock mechanism of the door apparatus of the elevator which respectively concerns on 1st Embodiment of this invention. (A), (b) is a some figure which shows the raising or lowering of the pin used for the door lock mechanism of the door apparatus of the elevator which concerns on 1st Embodiment of this invention, respectively. It is a figure which shows the connection structure of the door lock mechanism of the door apparatus of the elevator which concerns on a reference example. It is a figure which shows the connection structure of the door lock mechanism of the door apparatus of the elevator which concerns on the 1st modification of 1st Embodiment of this invention. It is a figure which shows the principal part structure of the door lock mechanism of the door apparatus of the elevator which concerns on the 2nd modification of 1st Embodiment of this invention. (A), (b) is a several figure which shows the structure of the door lock mechanism of the door apparatus of the elevator which concerns on 2nd Embodiment of this invention. It is a figure which shows the longitudinal cross-sectional structure of the landing sill of the door apparatus of the elevator which concerns on 2nd Embodiment of this invention. It is a front view of the door apparatus of the elevator which concerns on 3rd Embodiment of this invention.

( Reference example)
Door device for elevators may be used a member having a shape other than the arms 86, 87 to the swing member.

FIG. 6 is a view showing a connection structure of a door lock mechanism of an elevator door device according to a reference example. The above described symbols represent the same elements. Unless otherwise specified, the elevator door device according to the reference example has the same configuration as that of FIGS. 1 to 5 except for the elements shown in FIG.

(First Modification)
The structure of the first embodiment may be connected to a self-closing device.

FIG. 7 is a view showing a connection structure of a door lock mechanism of an elevator door device according to a first modification of the first embodiment of the present invention. The above described symbols represent the same elements. Unless otherwise specified, the door device for an elevator according to the first modification has the same configuration as that shown in FIGS. 1 to 5 except for the elements shown in FIG.

The elevator door device according to the first modification includes door lock mechanisms 37 and 38 for the door panels 13 and 14, respectively. The door lock mechanism 37 includes a self-closing device 52 that has a weight 51 that moves up and down at the end portion of the door panel 13 of the door panel 13 and biases the door panel 14 in the door closing direction by the gravity of the weight 51, and one end connected to the weight 51. The other end is provided with a wire 53 (cord) connected to the pin 82 side. The wire 53 lowers the pin 82 by the free fall of the weight 51 by the self-closing device 52, and raises the pin 82 by lifting the weight 51.

Next, the operation of the elevator door device according to the first modification will be described. The elevator door device raises the weights 51 and 60 by opening the door panel 13 and 14 from the closed state. As the weights 51 and 60 rise, the pins 82 and 83 rise. The locked state of the pins 82 and 83 is released respectively. The door panels 13 and 14 open the entrance 11 in a double-opening manner in opposite directions along the landing sill 19.

Further, in the elevator door device according to the first modified example, when the door is closed, the weights 51 and 60 are lowered by their own weights. Therefore, when the weights 51 and 60 are lowered, the wires 53 and 62 are lowered by the own weights of the pins 82 and 83. Is pulled to. These pins 82 and 83 fall into the holes 80 and 81, and the door panels 13 and 14 are locked. In the door panels 13 and 14, pins 82 and 83 are locked in the holes 80 and 81, and the entrance 11 is fully closed. Accordingly, the pins 82 and 83 are raised by the door lock mechanisms 37 and 38 in conjunction with the door opening movement of the door panels 13 and 14. Further, the pins 82 and 83 are lowered in conjunction with the door closing movement of the door panels 13 and 14, and the pins 82 and 83 are inserted into the holes 80 and 81 when the door is closed.

( Second modification)
The door device for an elevator according to the embodiment may lock the door panels 13 and 14 by electrical control.

FIG. 8 is a diagram showing a main configuration of a door lock mechanism of an elevator door device according to a second modification of the first embodiment of the present invention. The above described symbols represent the same elements. Unless otherwise specified, the door device for an elevator according to the second modification has the same configuration as that shown in FIGS. 1 to 5 except for the elements shown in FIG.

The door device for an elevator according to the second modification is provided with a door lock mechanism 70 on each of the door panels 13 and 14. The door lock mechanism 70 on the door panel 13 side includes an electric actuator 66 that moves the pin 82 up and down, and a controller 67 that lowers the pin 82 to a position in the hole 80 by driving the electric actuator 66 when the door is closed. Yes.

Claims (10)

  1. A plurality of door panels suspended from horizontal door rails, each having a shoe below the end of the door pocket,
    A sill top surface below the door panels, a sill having a hole opened on the sill top surface for each door panel, and a sill groove formed on each side of the sill longitudinal direction of the hole, and
    A pin for each door panel that moves up and down between the position above the sill upper surface of the sill and the position in the hole, and is biased upward.
    An elevator door device comprising: a door lock mechanism that raises or lowers the pin in conjunction with movement of the door panel and inserts the pin into the hole when the door is closed.
  2. The door lock mechanism is
    A cam having a cam rotation shaft that is in contact with the upper portion of the pin at a position where the lower portion of the pin is in the upper position and a position where the lower portion of the pin is in the hole is perpendicular to the door panel;
    A pivot end to the cam, a pivot portion on the door panel, a pivot fulcrum fixed to the sill, and a link mechanism for connecting the pivot end, the pivot portion and the pivot fulcrum. The elevator door device according to claim 1.
  3. The link mechanism is
    A first rocking member between the pivot end and the pivot portion;
    The elevator door device according to claim 2, further comprising: a first swing member, a second swing member between the pivot portion coaxial with the first swing member and the rotation fulcrum.
  4. The door lock mechanism is
    A first swing member and a second swing member, one end of which is coaxially supported by the door panel;
    A cam having a cam surface pivotally supported on the other end of the first swing member and in sliding contact with the pin;
    A pivot fulcrum pivotally supported at the other end of the second swing member and fixed to the sill,
    When the door is closed, the cam lowers the pin in conjunction with the separation from the rotation fulcrum, and when the door is opened, the cam returns to the upper position in conjunction with the proximity to the rotation fulcrum. The elevator door device according to claim 1, wherein:
  5. The cam
    A cam curve including a first cam surface for inserting the pin into the hole at a first radius from the cam rotation shaft and a second cam surface for retracting the pin from the hole at a second radius from the cam rotation shaft. The elevator door device according to claim 4.
  6. The cam
    The first cam surface is brought into contact with the pin by extension of the first swing member and the second swing member by the door closing;
    The elevator door device according to claim 5, wherein the second cam surface is brought into contact with the pin by folding the swinging member by the door opening.
  7. The door lock mechanism is
    An actuator for moving the pin up and down;
    The elevator door apparatus according to claim 1, further comprising a controller that lowers the pin to a position in the hole by driving the actuator when the door is closed.
  8. The door lock mechanism is
    A self-closing device having a weight that moves up and down at the door-bag side end of the door panel and biasing the door panel in the door closing direction by the gravity of the weight; one end connected to the weight and the other connected to the pin side A cable body, and
    The elevator door device according to claim 1, wherein the cable body lowers the pin by urging the self-closing device in the door closing direction and raises the pin by door opening.
  9. A plurality of door panels suspended from horizontal door rails, each having a shoe below the end of the door pocket,
    A sill having a sill groove formed on each sill upper surface and both ends in the sill longitudinal direction of the door panel,
    A pressing member for each door panel that moves up and down between a position above the sill upper surface of the sill and a contact position that contacts the sill upper surface, and is biased upward.
    An elevator door device comprising: a door lock mechanism that raises or lowers the pressing member in conjunction with the movement of the door panel, and closes the pressing member to the sill upper surface when the door is closed.
  10.   The sill upper surface of the sill has one side on the landing side and the other side on the hoistway side in the boarding / alighting direction intersecting the sill longitudinal direction, and the sill upper surface is inclined upward from the one side toward the other side. 10. The elevator door device according to claim 9, wherein
JP2015119528A 2015-06-12 2015-06-12 Door device of elevator Pending JP2017001854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015119528A JP2017001854A (en) 2015-06-12 2015-06-12 Door device of elevator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015119528A JP2017001854A (en) 2015-06-12 2015-06-12 Door device of elevator
CN201520663116.3U CN205061298U (en) 2015-06-12 2015-08-28 Elevator door device

Publications (1)

Publication Number Publication Date
JP2017001854A true JP2017001854A (en) 2017-01-05

Family

ID=55387879

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Application Number Title Priority Date Filing Date
JP2015119528A Pending JP2017001854A (en) 2015-06-12 2015-06-12 Door device of elevator

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Country Link
JP (1) JP2017001854A (en)
CN (1) CN205061298U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107381308B (en) * 2017-06-30 2019-06-25 合肥市迅立达电梯有限公司 A kind of safety-type elevator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035101A1 (en) * 1970-07-15 1972-01-20 Haevemeier & Sander Inh Zimmer
JPS5392866U (en) * 1976-12-27 1978-07-28
JPH039375U (en) * 1989-06-13 1991-01-29
JPH0710441A (en) * 1993-06-24 1995-01-13 Mitsubishi Denki Bill Techno Service Kk Door device for elevator
JPH09169482A (en) * 1995-12-21 1997-06-30 Mitsubishi Denki Bill Techno Service Kk Elevator door
JP2002220180A (en) * 2001-01-24 2002-08-06 Mitsubishi Electric Corp Elevator doorway device
JP2013155020A (en) * 2012-01-31 2013-08-15 Mitsubishi Electric Corp Door lock device for elevator
JP2014118258A (en) * 2012-12-17 2014-06-30 Toshiba Elevator Co Ltd Landing door lock device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035101A1 (en) * 1970-07-15 1972-01-20 Haevemeier & Sander Inh Zimmer
JPS5392866U (en) * 1976-12-27 1978-07-28
JPH039375U (en) * 1989-06-13 1991-01-29
JPH0710441A (en) * 1993-06-24 1995-01-13 Mitsubishi Denki Bill Techno Service Kk Door device for elevator
JPH09169482A (en) * 1995-12-21 1997-06-30 Mitsubishi Denki Bill Techno Service Kk Elevator door
JP2002220180A (en) * 2001-01-24 2002-08-06 Mitsubishi Electric Corp Elevator doorway device
JP2013155020A (en) * 2012-01-31 2013-08-15 Mitsubishi Electric Corp Door lock device for elevator
JP2014118258A (en) * 2012-12-17 2014-06-30 Toshiba Elevator Co Ltd Landing door lock device

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