JP6013559B1 - Elevator door equipment - Google Patents

Abstract

There is provided an elevator door device capable of accurately guiding opening and closing of a door without occurrence of door failure due to accumulation of foreign matter in a sill groove. According to one embodiment of the present invention, a door rail 12 provided horizontally in the sill longitudinal direction of an entrance 11, door panels 13 and 14 suspended from the door rail 12 to open and close the entrance 11, and the door panel 13. , 14 below the sill upper surface 15, a hole 16 in the center of the sill longitudinal direction of the sill upper surface 15, and sill grooves on both ends provided on the both ends in the sill longitudinal direction via the sill upper surface 15. The sill 19 having 17 and 18, the shoes 20 and 21 provided at the lower part of the end portion of the door pocket for each door panel 13 and 14 guided by the sill grooves 17 and 18 of the sill 19, and the door for each door panel 13 and 14 There is provided an elevator door device provided with rollers 22 and 23 respectively provided at the lower part of the contact side end portion and locked in the hole 16 when the door is closed. [Selection] Figure 1

Description

  The present invention relates to an elevator door device.

  A sill groove for guiding the shoe of the landing door is formed in the landing sill of the elevator entrance / exit. Conventionally, an elevator door sill device having a structure for removing foreign matters such as dust falling in a sill groove is known so as not to obstruct door opening / closing operation due to clogging in the sill groove (for example, Patent Document 1). reference). There is also known an elevator door closing device in which a tunnel-shaped guide hole is provided inside the sill longitudinal direction, the door is guided by the guide hole and the guide rod, and the sill groove is not shown on the upper surface of the sill (for example, a patent) Reference 2).

JP 2010-260699 A JP 2008-68941 A

  However, in the door guide structure in which the sill groove is completely removed from the sill upper surface, the door is opened and closed without the shoe being guided by the sill groove, so that the landing door moves in the getting-on / off direction intersecting the sill longitudinal direction. When the sill groove exists, a person or a carriage passes on the sill groove when getting on and off, and foreign matter such as dust is clogged in the sill groove, and a door failure occurs. The car door has the same problem as the landing door example.

  The present invention was devised in view of such problems, and provides an elevator door device capable of accurately guiding the opening and closing of the door by eliminating the occurrence of door failure due to accumulation of foreign matter in the sill groove. The purpose is to do.

  In order to solve such a problem, according to one embodiment of the present invention, a door rail provided horizontally in the sill longitudinal direction of the entrance and exit, a plurality of door panels suspended from the door rail and opening and closing the entrance and exit, The sill upper surface of the lower side of these door panels, the hole in the center of the sill longitudinal direction of the sill upper surface, and the sill grooves on both ends provided respectively on both ends in the sill longitudinal direction with respect to the hole via the sill upper surface And a shoe provided at a lower portion of the door-end portion for each door panel guided by the sill groove of the sill, and a lower portion of the door-contact side end portion for each door panel guided by the shoe. There is provided an elevator door device comprising a plurality of rollers each provided and locked in the hole when the door is closed.

  According to another embodiment of the present invention, a door rail provided horizontally in the sill longitudinal direction of the entrance / exit, a plurality of door panels suspended from the door rail and opening / closing the entrance / exit, and below the door panels The sill upper surface of the sill, a hole in the sill longitudinal center of the sill upper surface, and a sill having notches at both ends of the sill in the longitudinal direction of the sill, and a door contact side for each door panel guided by the sill upper surface of the sill A plurality of rollers respectively provided at the lower part of the end portion and locked in the hole when the door is closed, and each door panel opened by these rollers is provided at the end portion on the doorside and folded back to the center in the longitudinal direction of the sill. And a guide member to be inserted into the notch of the sill at an end portion of the door panel when the door is opened. It is.

  ADVANTAGE OF THE INVENTION According to this invention, the door apparatus of the elevator which can eliminate the generation | occurrence | production of the door failure by accumulation | storage in the sill groove | channel of a foreign material, and can guide opening / closing of a door correctly is provided.

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 perspective view showing an example of a roller of an elevator door device concerning a 1st embodiment of the present invention. It is the longitudinal cross-sectional view of the sill after renewal using the door apparatus of the elevator which concerns on 1st Embodiment of this invention. It is a front view 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 the modification of the elevator which concerns on 2nd Embodiment of this invention. (A) is a front view of the door apparatus of the elevator which concerns on 3rd Embodiment of this invention, (b) is an engagement piece used for the door apparatus of the elevator which concerns on 3rd Embodiment of this invention, an arm, and others (C) is a figure which shows the example of the position of the stopper used for the elevator car door apparatus which concerns on 3rd Embodiment of this invention. (A)-(c) is a several figure which shows the several position of the stopper of the door apparatus of the elevator which concerns on 3rd Embodiment of this invention. It is a front view of the door apparatus of the elevator which concerns on 4th Embodiment of this invention.

  Hereinafter, an elevator according to an embodiment of the present invention will be described with reference to FIGS. 1 to 9. 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 elevator door device according to the present embodiment is a landing door device, and is a door rail 12 provided horizontally in the sill longitudinal direction of the entrance 11 of the landing 10, and a double opening type that is suspended from the door rail 12 and opens and closes the entrance 11. Door panels 13 and 14.

  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.

  The elevator door device according to this embodiment includes a sill upper surface 15 below the door panels 13 and 14, a hole 16 provided in the sill upper surface center of the sill upper surface 15, and both ends of the hole 16 in the sill longitudinal direction. A landing sill 19 (sill) having sill grooves 17 and 18 on both ends provided respectively on the side through a sill upper surface 15 is provided. Furthermore, the elevator door device according to the present embodiment includes shoes 20 and 21 provided at the lower part of the door-side end portion for each of the door panels 13 and 14 guided by the sill grooves 17 and 18 of the landing sill 19. , 21 and rollers 22 and 23 respectively provided at the lower portions of the door-end side end portions of the door panels 13 and 14 and locked to the holes 16 when the door is closed.

  The entrance 11 in FIG. 1 communicates with the hoistway, and the hall 10 on each floor is provided with a three-sided frame 36 (FIG. 2B) consisting of left and right standing frames and an upper frame on the entrance 11. The three-way frame 36 is provided with an elevator door device according to the present embodiment. A header case 25 is provided on the hoistway wall surface 24 around the entrance 11, and the door rail 12 is attached to the header case 25 so as to be horizontal in the direction of the entrance of the entrance 11. A pair of door hangers 26 and 27 are slidably mounted on the door rail 12, and door panels 13 and 14 are suspended from the door hangers 26 and 27, respectively.

  The door panel 13 is suspended at two positions by the door hanger 26 at the upper end of the door panel 13, and the shoe 20 is supported by the sill groove 17 at the door bag side end of the door panel 13 at the lower end of the door panel 13. The door panel 14 is suspended at two locations by other door hangers 27 at the upper end of the door panel 14, and the shoe 21 is supported by the sill groove 18 at the door bag side end at the lower end of the door panel 14. Above the door panels 13 and 14, a locking mechanism 28 and an interlock device 29 are provided facing 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 door panel 14 is the same as the door panel 13 example.

  The landing sill 19 has a sill longitudinal direction in the entrance direction of the entrance 11. As shown in FIGS. 2 (b) and 2 (c), the landing sill 19 has one sill groove 17 formed from the door side end of one door panel 13 to one end 30 in the sill longitudinal direction when the door is closed, The other sill groove 18 formed from the door bag side end of the other door panel 14 to the other end 31 in the sill longitudinal direction when the door is closed, and the sill body 45 are provided. The sill grooves 17 and 18 may have the same groove width, the same groove depth, and the same groove cross-sectional shape. The landing sill 19 may have the groove centers of the sill grooves 17 and 18 arranged on the same line.

  The hole 16 has a hole bottom as shown in FIG. The hole 16 is located almost directly below the door end portion of one door panel 13 and the door end portion of the other door panel 14 when the door is closed. The dimension of the hole 16 in the sill longitudinal direction is larger than the added dimension of both roller diameters when the rollers 22 and 23 each having a roller diameter are juxtaposed along the sill longitudinal direction. The dimension in the sill longitudinal direction of the hole 16 is larger than the dimension obtained by adding the gap gap per door between the door panel 13 and the door panel 14 to the added dimension.

  The shoes 20 and 21 are both guide shoes. The shoe 20 is attached to the opposite surface of the design surface 32 of the door panel 13 via a bracket 34 as shown in FIG. Similarly, the shoe 21 is attached to the opposite surface of the design surface 32 of the door panel 14 via another bracket 34.

  The roller 22 is attached to the door panel 13 via a bracket 35, and the roller 23 is attached to the door panel 14 via a bracket 35. The rollers 22 and 23 reciprocate by rotation.

  FIG. 3 is a perspective view showing an example of the roller 22. The above described symbols represent the same elements. The roller 22 is provided between a roller main body (wheel) 37, a holder 38 on which the roller main body 37 is supported, a bracket 35 that holds the holder 38 in a vertically movable manner, and between the holder 38, the bracket 35, and the door panel 13. The spring 39 (elastic body) is provided, and the elastic repulsive force of the spring 39 is applied between the bracket 35 and the roller body 37. The roller 22 has a rotation shaft 40 parallel to the getting-on / off direction intersecting the sill longitudinal direction. An actuator or elastic rubber may be used for the elastic body instead of the spring 39. The roller 23 also has substantially the same structure as the roller 22.

  Next, the operation of the elevator door device (FIGS. 1 and 2) according to the present embodiment having the above-described configuration will be described. In this elevator door device, the door panels 13 and 14 are always closed by weights, and the door panels 13 and 14 are opened in conjunction with the door opening operation of the car door by the door opening driving force received from the car side that has landed. The posture of the door panel 13 is stabilized by four places: two places on the upper left and right sides, one place on the lower side with the shoe 21, and one place on the lower side with the roller 22. The posture of the door panel 14 is also stabilized at four locations. In this state, the rollers 22 and 23 move on the smooth sill upper surface 15. The shoes 20 and 21 are fitted and moved in the sill grooves 17 and 18, respectively. The door panels 13 and 14 move together with the door hangers 26 and 27 in the left and right directions opposite to each other along the door rail 12 and the landing sill 19 to open the entrance 11.

  Further, when the car door is closed, the door panels 13 and 14 are closed in conjunction with the door closing operation of the car door. The door panels 13 and 14 move in a direction approaching each other. The roller 22 of the door panel 13 moves while rotating the smooth sill upper surface 15 toward the center of the sill longitudinal direction, and falls into the hole 16. The roller 23 of the door panel 14 also rotates and moves on the smooth sill upper surface 15 to the center and falls into the hole 16. The rollers 22 and 23 stop at the hole 16. The shoes 20 and 21 are also moved by the sill grooves 17 and 18. The entrance / exit 11 is closed, and after the door is closed, the car-side engaging device is detached from the interlock device 29 when the car starts to run. The door panels 13 and 14 are locked by the locking mechanism 28, and the door is closed.

  Passengers, carts, and the like pass through the entrance 11 by opening the door. According to the elevator door device according to the present embodiment, the sill upper surface 15 in the range of the entrance 11 of the full length of the sill 19 in the sill longitudinal direction. Since the sill groove is not formed, the door panel 13, 14 does not occur in the range of the entrance / exit 11 because the sill groove is clogged with foreign matter such as dust. There is no need to discharge foreign matter from the inside of the landing sill 19 to the outside. In addition, according to the elevator door device according to the present embodiment, the door panels 13 and 14 are accurately guided by the rollers 22 and 23 along the lines to which the door panels 13 and 14 should move. Does not move in the direction of getting on and off. According to this elevator door device, since a sill groove-less structure is realized, the occurrence of door failure due to accumulation of foreign matter in the sill grooves 18, 18 can be eliminated, and the door panels 13, 14 can be accurately opened and closed. Will be able to. According to this elevator door device, measures against foreign matter discharge can be simplified.

  Moreover, the sill upper surface 15 of the landing sill 19 is flat, and cleaning becomes extremely easy. When the sill groove exists in the passing range of the person at the entrance / exit 11, unevenness is formed, so that when the bed or wheelchair passes over the sill groove, the wheel receives an impact from the sill groove. Alternatively, if a sill groove exists in the passing range of the person at the entrance 11, a person wearing a cane or a person wearing high heel shoes may get the wand and heel sandwiched between the sill grooves. According to the elevator door device according to the present embodiment, 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. The doors of the door panels 13 and 14 can be supported by the rollers 22 and 23, and the strength can be improved with respect to the impact force applied from the hoistway to the landing 10 and 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 improve the impact resistance performance along the direction of getting on and off.

  Moreover, you may renew the door apparatus of the elevator which concerns on 1st Embodiment with respect to the existing hall sill.

  FIG. 4 is a longitudinal sectional view of a sill after installation in which an elevator door device according to an embodiment of the present invention is installed by renewal of an existing landing sill. The above described symbols represent the same elements. The landing sill 100 is a sill for an existing double door and has a sill groove 101 in the sill longitudinal direction. The landing sill 41 has a protrusion 42 that fits into the sill groove 101 (the existing sill groove of the existing sill). The ridge 42 is provided in the sill longitudinal direction over the sill longitudinal direction of the landing sill 41. The landing sill 41 faces the hoistway 66.

  Thereby, the renewal method inserts the new protrusion 42 on the landing sill 100, and installs the door panels 13 and 14 etc. suitable for the length. Or the renewal method adjusts and installs the dimension of top and bottom, such as an existing door panel or a door hanger. The elevator door device according to the present embodiment is convenient for renewal work.

(Second Embodiment)
FIG. 5 is a front view of an elevator door device according to a second embodiment of the present invention. The back of the double door panel as seen from the hoistway side is shown. Among the above-mentioned reference numerals, elements having the same reference numerals as those in FIGS. 1 to 4 represent the same elements.

  The door device of the elevator according to the present embodiment is a landing door device, which is suspended from the door rail 12 by a door rail 12 provided horizontally in the sill longitudinal direction of the entrance 11 and door hangers 26 and 27 to open and close the entrance 11. Double door panels 13 and 14 are provided. In the elevator door device according to the present embodiment, the sill upper surface 15 below the door panels 13, 14, the hole 16 in the sill longitudinal center of the sill upper surface 15, and the notches 43 and 44 at both ends of the sill longitudinal direction of the hole 16, respectively. It has a hall sill 46 (sill). Furthermore, the elevator door device according to the present embodiment is provided at the lower part of the door-side end portion of the door panels 13 and 14 guided by the sill upper surface 15 of the landing sill 46, and is locked in the hole 16 when the door is closed. Rollers 22 and 23 and guide members 47 and 48 that are provided at the door-bag side end portions and are turned back to the center in the sill longitudinal direction for each of the door panels 13 and 14 that are opened by the rollers 22 and 23. These guide members 47 and 48 are inserted into the notches 43 and 44 of the landing sill 46 at the door-bag side end portions of the door panels 13 and 14 when the door is opened.

  The landing sill 46 has notches 43 and 43 at the bottom of the sill body 45. Guide shoes are used for the guide members 47 and 48. The guide member 47 is provided on the folding surface of the folding 33 (FIG. 2B) of the door panel 13, and is a hanging member 49 suspended downward from the end portion on the door pocket side. A horizontal member 50 is provided, and the horizontal member 50 and the notch 43 of the landing sill 46 form an insertion structure that resists an impact force acting in the vertical direction. The guide member 48 also has a hanging member 49 and a horizontal member 50, and an insertion structure is formed by the horizontal member 50 and the notch 44. The rollers 22 and 23 may be biased downward from the door panels 13 and 14 by an elastic body such as a spring 39, an actuator, and elastic rubber, and the rollers 22 and 23 may absorb a drag force from the sill upper surface 15.

  Next, the operation of the elevator door device (FIG. 5) according to the present embodiment having the above-described configuration will be described. The elevator door device according to the present embodiment is configured such that the door panels 13 and 14 in a closed state are connected to a door from a car. Open by open driving force. The door panel 13 moves in a state supported by the upper two places, the guide member 47 and the roller 22. The door panel 14 also moves in a state where it is supported by the upper two places, the guide member 48 and the four places of the rollers 23. The guide members 47 and 48 move along the notches 43 and 44, and the door opening is completed. Further, after the door is opened, the rollers 22 and 23 move while rotating toward each other by the door closing driving force from the car door, and fall into the hole 16. The rollers 22 and 23 stop at the hole 16. The entrance 11 is closed.

  Passengers, trolleys, beds, etc. may collide unexpectedly with the door panels 13 and 14. According to the elevator door device according to the present embodiment, the door panels 13 and 14 have shock resistance against an impact force in a test in which a human body collision is assumed, for example, a shot bag having a weight of 45 kg is applied to the door panel 13. Is prevented from falling on the top surface 15 of the sill and failing. Further, according to the elevator door device according to the present embodiment, the door panels 13 and 14 do not move in the getting-on / off direction because they are accurately guided by the rollers 22 and 23. According to this elevator door device, the sill groove-less structure can eliminate the occurrence of door failure due to accumulation of foreign matter in the sill grooves 17 and 18, and can accurately guide the opening and closing of the door panels 13 and 14. it can. According to this elevator door device, measures against foreign matter discharge can be simplified.

  The plug-in structure can be variously modified.

  FIG. 6 is a front view of an elevator door device according to a modification of the second embodiment of the present invention. The above described symbols represent the same elements. The landing sill 51 has notches 52 and 53 at both ends in the sill longitudinal direction. These notches 52 and 53 are inserted with the guide members 47 and 48 at the door pocket side end portions of the door panels 13 and 14 when the door is closed. The impact resistance can also be exhibited by the insertion structure of FIG. 6, and the door device for the elevator according to the present embodiment does not cause any failure of the door panels 13 and 14 due to vertical bounce or displacement.

  The elevator door device according to the present embodiment may also be laid on an existing hall sill. Similarly to the example of FIG. 4, the protrusion 42 is provided on the landing sill 46 (or the landing sill 51), and the elevator door device according to the second embodiment is placed on the existing landing sill 100 (FIG. 4). Renewal may be carried out by fitting.

(Third embodiment)
In the first embodiment and the second embodiment, the door device is locked by the rollers 22 and 23 in the hole 16 in the center in the sill longitudinal direction and closed by the rollers. It may be locked to 16 and closed.

  Fig.7 (a) is a front view of the door apparatus of the elevator which concerns on 3rd Embodiment of this invention. The back of the double door panel as seen from the hoistway side is shown. The above described symbols represent the same elements. The elevator door device according to the present embodiment locks the hole 55 using the landing sill 54, the hole 55 of the landing sill 54, the inclined surfaces 56 and 57 of the sill upper surface 15, and the inclined surfaces 56 and 57, or Stoppers 58 and 59 are provided for the door panels 13 and 14 for releasing the lock.

  FIG. 7B is a front view of an engagement piece, an arm, and other rollers used in the elevator door device according to the third embodiment of the present invention. The above described symbols represent the same elements. The stopper 58 is pivotally supported for each door panel 13, 14 and has an engagement piece 60 that is locked in the hole 55 and a position that is released from the hole 55, and the engagement piece 60 is in the lock position and release position. And an other roller 62 that is pivotally supported by the arm 61 and swings the arm 61 by contact with the inclined surface 56. The engaging piece 60 is pivotally supported by a shaft 63 at a door end side end. The arm 61 is pivotally supported by the shaft 63 at the door end side end thereof coaxially with the engagement piece 60. The stopper 58 may be provided with a reverse rotation motor 65 for returning the engagement piece 60 from the lock position to the release position. The engagement piece 60 has a lever shape. The engagement piece 60 takes a lock position that advances into the hole 55 and an open position that retreats from the hole 55. The stopper 59 on the inclined surface 57 side has substantially the same configuration as the stopper 58.

  FIG.7 (c) is a figure which shows the 1st position of the stopper 58 used for the door apparatus of the elevator which concerns on this embodiment.

  Next, operation | movement of the door apparatus of the elevator which concerns on this embodiment is demonstrated. First, as shown in FIG. 7C, the door panels 13 and 14 that are substantially fully opened start door closing by the door closing driving force from the car door. The roller 62 of the stopper 58 starts to rotate from the upper surface 15 of the sill to the right.

  FIGS. 8A to 8C are a plurality of views showing the second to fourth positions of the stopper of the elevator door device according to the third embodiment of the present invention. An example of the left door panel 13 as viewed from the 10 side is shown. The above described symbols represent the same elements.

  As shown in FIG. 8A, when the roller 62 of the stopper 58 comes into contact with the inclined surface 56, the stopper 58 swings the engaging piece 60 obliquely upward. In the second position in the figure, the roller 62 hits an inclined surface 56 continuous with the sill upper surface 15. The roller 62 moves from the inclined surface 56 toward the hill-shaped portion 64 at the center in the sill longitudinal direction.

  In the third position of FIG. 8B, the stopper 58 advances the roller 62 on the flat surface of the hill-shaped portion 64.

  In the fourth position in FIG. 8C, the engagement piece 60 swings around the shaft 63. The engagement piece 60 falls toward the hole 55. The engaging piece 60 is in a locked position where it engages with the hole 55. The stopper 58 locks and fixes the door panel 13.

  The operation of the door panel 14 from the door open state to the door close state by the stopper 59 is the same as that of the door panel 13. The engagement piece 60 of the stopper 59 falls from the right into the hole 55, and the door panel 14 is locked and fixed. The hole 55 falls into the hole 55 almost simultaneously from the left and right, and the all-doors closed state is maintained.

  When the door is closed, on the left door panel 13, the control device on the car side electrically sends a control signal to the motor 65, and the motor 65 is turned on. The stopper 58 returns the engagement piece 60 from the lock position to the release position. Thereafter, the stopper 58 is pulled by the door panel 13 and moves to the left on the flat surface of the hill-shaped portion 64 to return to the first position in FIG. The right door panel 14 operates in substantially the same manner as the door panel 13 example.

  Thus, in the elevator door device according to the present embodiment, the inclined surfaces 56 and 57 are provided on the landing sill 54, and the stoppers 58 are provided on the door panels 13 and 14, respectively. In the left stopper 58, the roller 62 climbs the left inclined surface 56 from the sill upper surface 15 in conjunction with the rightward movement of the door panel 13, and the flat surface of the hill-shaped portion 64 receives drag from the inclined surface 56. Continue on. The engagement piece 60 is locked in the hole 55 by swinging around the shaft 63. The operation example of the right stopper 58 is the same.

  According to the elevator door device of the present embodiment, the occurrence of door failure due to accumulation of foreign matter in the sill grooves 17 and 18 can be eliminated by the sill groove-less structure, and the opening and closing of the door panels 13 and 14 can be accurately guided. can do. According to this elevator door device, measures against foreign matter discharge can be simplified.

  The elevator door device according to the present embodiment may also be laid on an existing hall sill. As in the example of FIG. 4, the ridge 42 is provided on the landing sill 54, and the elevator door device according to the third embodiment is fitted on the existing landing sill 100 (FIG. 4) for renewal. You may implement.

(Fourth embodiment)
In each of the first to third 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. 9 is a front view of an elevator door device according to a fourth 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 70 horizontally provided in the sill longitudinal direction of the car entrance 69 facing the entrance 11 of the hall 10, and the car entrance suspended from the door rail 70. And double-open door panels 71 and 72 that open and close 69. Furthermore, the elevator door device according to the present embodiment includes a sill upper surface 73 below the door panels 71, 72, a hole 74 in the sill longitudinal center of the sill upper surface 73, and a sill upper surface on both ends in the sill longitudinal direction with respect to the hole 74. 73, each of which is provided with a sill groove 75 and 76 on both ends thereof, and a door panel side end portion for each door panel 71 and 72 guided by the sill grooves 75 and 76 of the car sill 77. Shoes 78 and 79 provided in the lower part, and rollers 80 and 81 provided in the lower part of the door-end side end part for each of the door panels 71 and 72 and locked in the hole 74 when the door is closed are provided. The elevator door device according to the present embodiment is provided on a door panel 72, and is provided with a car door side engaging portion 82 that applies an opening / closing driving force to the door panels 13 and 14 (FIG. 1 and the like) of the hall 10.

  Thus, the door panels 71 and 72 are opened and closed in conjunction with the power of the car door driving device 83 on the car via the belt 68. A cage sill with a sill groove-less structure can be realized.

  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 hole 16 may be a through hole that penetrates the landing sill 19. Instead of the hole 16, a recess, a depression, or a groove may be formed in the sill. The term referring to the hole 16 can be changed in various ways, and the superiority of the elevator door device according to the present embodiment is not impaired at all with respect to an embodiment in which the hole 16 is simply rephrased. The depth of the hole 16 into the sill body, the opening edge shape of the hole 16, the shape of the hole slope, the dimensions in the sill longitudinal direction, and the like can be variously changed. A plurality of holes 16 may be provided for each roller. The position of the hole 16 in the sill longitudinal direction can also be changed. A rubber shoe for cushioning or a safety shoe for reducing the pressing force in the door closing direction may be provided at each door end portion of the door panels 13 and 14.

  The structure of the roller 22 in FIG. 3 is an example, and the roller 22 can take various shapes and structures. The rollers 22 and 23 are not limited to the example of FIG. The example of FIGS. 1-9 is an illustration and is not limited to these illustrated examples.

  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, 16 ... Hole, 17, 18 ... Sill groove, 19, 41, 46, 51, 54 ... Sill (stop sill) 20, 21 ... shoe, 22, 23 ... roller.

Claims (10)

A door rail provided horizontally in the sill longitudinal direction of the entrance,
A plurality of door panels suspended from the door rail and opening and closing the entrance / exit,
The sill upper surface of the lower side of these door panels, the hole in the center of the sill longitudinal direction of the sill upper surface, and the sill grooves on both ends provided respectively on both ends in the sill longitudinal direction with respect to the hole via the sill upper surface A sill having
A shoe provided at the lower part of the door pocket side end for each door panel guided by the sill groove of the sill;
A door device for an elevator, comprising: a plurality of rollers provided at a lower portion of a door-contacting side end portion for each of the door panels guided by the shoe and locked in the hole when the door is closed. The sill is
One sill groove formed from the door-sack side end of one door panel when the door is closed to one end in the sill longitudinal direction, and from the door-bag side end of the other door panel when the door is closed to the other end in the sill longitudinal direction The elevator door device according to claim 1, further comprising a second sill groove formed in the sill groove.   2. The elevator door device according to claim 1, wherein the hole is located below a door contact side end of one door panel and a door contact side end of the other door panel when the door is closed.   The said hole has a dimension larger than the addition dimension of both roller diameters when each roller with a roller diameter is juxtaposed along the said sill longitudinal direction, The said sill longitudinal direction is characterized by the above-mentioned. Elevator door device.   The elevator door device according to claim 1, wherein the roller for each door panel has a rotation axis parallel to a boarding / alighting direction intersecting the sill longitudinal direction. The roller is
The roller body,
A holder on which the roller body is supported;
The elevator door device according to claim 1, further comprising an elastic body provided between the holder and the door panel. A door rail provided horizontally in the sill longitudinal direction of the entrance,
A plurality of door panels suspended from the door rail and opening and closing the entrance / exit,
A sill top surface below the door panels, a sill longitudinal center hole on the sill top surface, and sills each having a notch at both ends of the sill longitudinal direction of the hole;
A plurality of rollers provided at the lower part of the door end portion for each door panel guided on the sill upper surface of the sill and locked in the hole when the door is closed;
For each door panel that is opened by these rollers, it is provided at the end portion on the door pocket side and folded back to the center in the longitudinal direction of the sill, and is inserted into the notch of the sill at the door pocket side end portion of the door panel when the door is opened. And an elevator door device.   The guide member has a hanging member that is suspended downward from an end portion on the door pocket side of the door panel, and a horizontal member that extends from the hanging member to the door end portion, and the horizontal member and the notch The elevator door device according to claim 7, wherein an insertion structure is formed to resist an impact force acting in a vertical direction. A door rail provided horizontally in the sill longitudinal direction of the entrance,
A plurality of door panels suspended from the door rail and opening and closing the entrance / exit,
The sill upper surface of the lower side of these door panels, the hole in the center of the sill longitudinal direction of the sill upper surface, and the sill grooves on both ends provided respectively on both ends in the sill longitudinal direction with respect to the hole via the sill upper surface A sill having
An inclined surface provided on the sill upper surface;
A plurality of engagement pieces that take an open position from the lock position and the hole is pivotally supported on each house per end for each of the door panel fall into the hole,
A plurality of arms which are pivotally supported on the doorstop end for swinging between said lock position and said open position each engagement piece,
Contact by other plurality of rollers and the door device features and to Rue elevators that example Bei a for oscillating the arm to the inclined surface is pivotally supported on each arm.
The sill is
The elevator door device according to claim 1 or 7, further comprising a protrusion that fits into an existing sill groove of an existing sill provided at a landing before the installation of the elevator door device.

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