JP2007070073A - Sill device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sill device for an elevator in which space between sills are reduced and their collision is prevented. <P>SOLUTION: The sill device comprises: a car floor 4 of a car of the elevator; a landing floor to which the car floor 4 is to land; a car sill 12 disposed to the car floor 4 to be opposed to the landing floor; a landing sill 13 disposed to the landing floor to be opposed to the car sill 12; and a guide roller 16 rotatably disposed to the car sill 12 to be projected from the car sill 12 in a direction of the landing sill 13. A cam 17 is disposed to the landing sill 13 at a position opposed to the guide roller 16. The guide roller 16 is at a position spaced from the cam of the landing sill 13 at the normal time, the guide roller 16 is brought into contact with the cam 17 when the car is oscillated or there are earthquakes, so that the collision between the sills is prevented. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an elevator sill apparatus.

  In the conventional elevator sill device, the gap between the elevator car sill and the landing sill is reduced in response to the barrier-free to reduce accidents caused by the elderly and disabled people, which has increased with the recent increase in the population of elderly people. I try to make it smaller. Here, if there is a device that engages the elevator car door and the landing door, the aforementioned gap interval cannot be reduced. Therefore, the car door engaging device is eliminated, and a door engaging device is provided at the doorway. There are things that are not placed. In this case, the sill interval can be set to about 8 to 10 mm in consideration of the maximum value of the sway determined by the gap between the rail and the guide shoe during normal traveling, the vibration isolating material of the car, the deflection of the rail, and the like. In addition, there is a sill portion on the lowermost floor in which the sill interval is reduced only on the lowermost floor because the door engaging device of the car does not descend to the sill portion of the landing (for example, Patent Document 1).

JP 2003-81562 A

  In the conventional elevator sill device, when the sill interval is reduced, the car sways abnormally due to mischief of passengers in the traveling elevator, or the car sill and the landing sill collide when an earthquake occurs. There was a problem of an accident.

  The present invention has been made in order to solve the above-described problems, and provides an elevator sill apparatus that copes with a collision between a car sill and a landing sill when the elevator car sways.

  In the elevator sill apparatus according to the present invention, the elevator car cab floor, the landing floor on which the cab floor is landed, the cab sill provided on the cab floor and facing the landing floor, and the sill provided on the landing floor. And a guide roller that is rotatably provided on the car sill and protrudes from the car sill toward the boarding sill.

  In addition, a car floor of the elevator car, a landing floor on which the car floor is landed, a car sill provided on the car floor facing the landing floor, a hall sill provided on the landing floor and facing the car sill, and a car sill Provided with a cam protruding from the car sill toward the landing sill.

  Further, the guide roller or cam is normally located at a position away from the landing threshold, and the guide roller or the cam comes into contact with the landing threshold when the car is greatly shaken in the landing direction.

  According to the present invention, the elevator sill interval can be further narrowed, and the collision between the car sill and the landing sill can be avoided.

Embodiment 1 FIG.
1 is a vertical sectional view of a hoistway around an elevator car door, a landing door, and an elevator sill apparatus according to Embodiment 1 of the present invention, and FIG. 2 is an enlarged view of part A (elevator sill apparatus part) in FIG. FIG. 3 is a perspective view showing the attachment of the guide rollers and cams provided at the front end of the car sill and the front end of the landing sill. FIG. 4 is a detailed view of the installation of the guide rollers and cams at C in FIG. FIG. Here, FIG. 4 shows an enlarged space between the car and the sill for easy understanding of the structure.
In the figure, 1 is an elevator car that moves up and down in the hoistway, 2 is a car door provided in the elevator car 1, 3 is a car door closing device that opens and closes by suspending the car door 2 from the upper end, 4 It is the car floor which comprises the bottom face of the elevator car 1.
5 is an elevator landing provided on each floor of the hoistway, 6 is a landing frame provided on the elevator landing 5, 7 is provided on the landing frame 6, a landing door facing the car door 2, and 8 is a landing door This is a door closing device for a landing that opens and closes 7 from the upper end. Reference numeral 9 denotes a hanger case that houses the door closing device 8 therein. Reference numeral 10 denotes a landing floor where the car floor 5 and the floor are at the same height, and serves as a scaffold when passengers get on and off the car floor 4.
Reference numeral 11 denotes an elevator sill apparatus. As shown in FIGS. 2 and 3, a car sill 12, a front beam 14, a pair of disk-shaped guide rollers 16, an apron 18 and a landing 5 provided on the elevator car 1 side. It is composed of a landing threshold 13, a threshold receiving beam 15, a pair of plate-shaped cams 17, and an apron 19 provided on the side. Each of the car sill 12 and the landing sill 13 is a hollow plate member having the same shape, and extends in the horizontal direction, and the front end sides thereof face each other symmetrically in the depth direction. It is. Further, the car sill 12 and the landing sill 13 are respectively in contact with the upper ends of the side surfaces of the car floor 4 and the landing floor 10 at the rear end side, and the upper surface is the same height as these floor surfaces. The gap between the landing floors 10 is filled to facilitate passengers. Reference numerals 12a and 13a denote concave groove-shaped rails that are provided on the car sill 12 and the landing sill 13 respectively and extend in the entire lateral direction. Reference numerals 2a and 7a are sliding members of the doors which are engaged with the rails 12a and 13a and slide in the lateral direction. The doors of the car 2 and the doors of the landings are provided via the door leg mounting plates 2b and 7b. 7 It connects with each lower end. As a result, the car door 2 and the lower end of the landing door 7 are movable only in the lateral direction (door opening / closing direction) without swinging in the depth direction. Here, as shown in FIG. 2, the vertical sections of the car sill 12 and the landing sill 13 have rails 12a and 13a that open upward at the center, front ends 12b and 13b that open downward, and a rear end. It is divided.
The front beam 14 and the sill receiving beam 15 are hollow square members that extend in the transverse direction and face each other, and the upper surfaces thereof are joined to the lower surfaces of the car sill 12 and the landing sill 13, and the respective side surfaces are car frames. , And the side of the landing floor 10, thereby supporting the car sill 12 and the landing sill 13 not to fall. Here, the space between the floor front beam 14 and the sill receiving beam 15 facing each other is wider than the car sill 12 and the landing sill 13.
As shown in FIGS. 3 and 4, the pair of disc-shaped guide rollers 16 are rotatably provided on the upper surfaces of both ends in the longitudinal direction of the front end portion 12b of the car sill 12 via guide roller mounting plates 16a and bearings 16b. It is a thing. The rotation axis of the pair of guide rollers 16 is in the lateral direction, the rotation circumferential surface faces the direction of the landing 5, and protrudes in the direction of the landing 5 from the tip of the car sill 15. Moreover, this protrusion amount is smaller than the space | interval regulation value 8-10 mm of the said car threshold 12 and the landing threshold 13. FIG. The pair of plate-like cams 17 are provided on the upper surfaces of both ends in the longitudinal direction of the front end portion 13b of the landing sill 13 via cam mounting plates 17a and have cam sliding surfaces 17b. The sliding surface 17b of the cam faces the direction of the car 1 and faces the rotating peripheral surface of the guide roller 16. The sliding surface 17b of the cam is a rectangle that is long in the vertical direction, and its upper and lower ends are gently warped backward. The front end surface of the cam sliding surface 17b in the car 1 direction protrudes from the front end of the landing threshold 13 in the car 1 direction. The amount of protrusion is such that the sliding surface 17b of the cam and the rotating peripheral surface of the guide roller 16 do not contact each other.
Reference numerals 18 and 19 denote aprons provided downward on the side surfaces of the front floor beam 14 and the sill receiving beam 15 that face each other.
Here, the front end of the hanger case 9 in the direction of the car 1 is positioned away from the front end surface on the landing 5 side of the rotating peripheral surface of the guide roller 16 and does not interfere.

  As a result, when the elevator 1 is abnormally shaken in the elevator car 1 due to an earthquake or a mischief of passengers during the traveling of the elevator and the car 1 approaches abnormally in the direction of the landing 5, it is provided in the car sill 12 and the landing sill 13. Further, when the rotating peripheral surface of the guide roller 16 and the sliding surface 17b of the cam 17 are in contact, the elevator car 1 does not move further to the landing 5 side and can prevent collision between the sills.

  Further, the sliding surface 17b of the cam 17 is long in the vertical direction, and the upper and lower ends are warped rearward, and the guide roller 16 rotates when it comes into contact with the cam 17, so that the elevator car 1 traveling is moved to the landing 5 side. When approaching abnormally, the car sill 12 is smoothly guided from a position shifted in the vertical direction with respect to the landing sill 13, and collision between the sills can be prevented without impairing the riding comfort of the elevator car 1.

  Moreover, this makes it possible to prevent the sills from colliding with each other with an inexpensive device.

Further, since the collision between the sills can be prevented, the interval between the sills can be reduced, and the passengers of the elevator can easily and safely travel between the floor 10 and the car floor 4 and can prevent accidents such as crawls.

Embodiment 2. FIG.
FIG. 5 is a diagram corresponding to FIG. 2 showing the second embodiment, and FIG. 6 is a diagram corresponding to FIG. In FIG. 5 and FIG. 6, the same or corresponding parts are denoted by the same reference numerals, and description thereof is omitted.
In the description of the first embodiment, a guide roller is provided on the sill of the car and a cam is provided on the sill of the landing. However, as shown in FIG. A method may be used in which the guide rollers are directly brought into contact with the landing sill by providing the guide rollers on the sill of the car.

Embodiment 3 FIG.
FIG. 7 is a diagram corresponding to FIG. 2 showing the third embodiment, and FIG. 8 is a diagram corresponding to FIG. 7 and 8, the same or corresponding parts are denoted by the same reference numerals, and the description thereof is omitted.
As shown in the figure, it is needless to say that the platform threshold may be configured to be long and the cam is provided only with the cage threshold so that the cage cam directly contacts the platform threshold.

Embodiment 4 FIG.
9 and FIG. 10 are diagrams corresponding to FIG. 2 showing the fourth embodiment, FIG. 11 is a diagram corresponding to FIG. 3, and FIG. 12 is a detailed view of a portion D in FIG. 9, 10, and 11, the same or corresponding parts are denoted by the same reference numerals, and the description thereof is omitted. 9 and 10 are shown with the cross-sectional positions shifted to facilitate the understanding of the structure.
In the figure, 12c and 13c are respectively a car sill and a landing sill having the same shape and the same configuration. 12d is a movable tip portion formed by a tip portion which is divided from the car sill 12c coupled to the floor beam 14 and becomes movable, and is provided with a guide roller 16. The shape of the divided part of the movable tip 12d and the car sill 12c overlaps vertically so that the movable tip 12d can slide in the depth direction. The movable tip portion 12d has a U-shaped cross section, and the upper side of the U-shape slides with the car sill 12c, and the lower side of the U-shape slides with the upper surface of the floor front beam 14. The side of the U shape forms the tip of the movable tip portion 12d. 12e is a biasing spring provided so as to expand and contract in the horizontal direction between the inner side of the movable tip 12d and the car sill 12c, and always biases the movable tip 12d in the tip direction. . As shown in FIG. 6, 12f is a plurality of plate-shaped sill guides that are provided on the car sill 12c by bolts and nuts 12g and extend in the distal direction. The lower surface of the sill guide 12f slides on the upper surface of the lower side of the movable tip portion 12d and restricts the position of the movable tip portion 12d in the lateral direction and the upward lift. Reference numeral 12h denotes a stopper engaging portion which is provided at the tip of the sill guide 12f and has a barb on the lower surface side. 12i is a convex engagement portion provided on the rear end side of the upper surface of the lower side of the movable tip portion 12d. The convex engaging portion 12i is hooked and engaged with the stopper engaging portion 12h, thereby restricting the movable range of the movable tip portion 12d in the tip direction. Here, since the movable tip portion 12d is always biased in the tip direction by the biasing spring 12e, the stopper engaging portion 12h and the convex engaging portion 12i are always engaged.
Reference numeral 13d denotes a movable tip portion which is formed by a tip portion which is divided from the landing sill 13c coupled to the sill receiving beam 15 and becomes movable, and is provided with a cam 17. The shape of the dividing portion of the movable tip portion 13d and the landing sill 13c overlaps vertically so that the movable tip portion 13d can slide in the depth direction. The movable tip portion 13 d has a U-shaped cross section, and the upper side of the U-shape slides with the landing threshold 13 c and the lower side of the U-shape slides with the upper surface of the threshold receiving beam 15. The side of the U-shape forms the tip of the movable tip 13d. 13e is an urging spring provided so as to expand and contract in the horizontal direction between the inner side of the movable tip portion 13d and the landing sill 13c, and always urges the movable tip portion 13d in the tip direction. . Reference numeral 13f denotes a plurality of plate-like sill guides that are provided on the landing sill 13c by bolts and nuts 13g as shown in FIG. The lower surface of the sill guide 13f slides on the upper surface of the lower side of the movable tip portion 13d, and restricts the position of the movable tip portion 13d in the lateral direction and the upward lift. Reference numeral 13h denotes a stopper engaging portion which is provided at the tip of the threshold guide 13f and has a barb on the lower surface side. 13i is a convex engagement portion provided on the rear end side of the upper surface of the lower side of the movable tip portion 13d. The convex engaging portion 13i is hooked and engaged with the stopper engaging portion 13h, thereby restricting the movable range of the movable tip portion 13d in the tip direction. Here, since the movable tip portion 13d is always biased in the tip direction by the biasing spring 13e, the stopper engaging portion 13h and the convex engaging portion 13i are always engaged.
Here, the stopper engaging portions 12h and 13h, and the convex engagement so that the tips of the movable tip portions 12d and 13d, that is, the tips of the car sill 12c and the landing sill 13c face each other with a specified distance of 8 to 10 mm. Joint portions 12i and 13i are provided.

  As a result, when the elevator car 1 and the landing 5 are abnormally close to each other and the guide roller 16 and the cam 17 are in contact with each other, the movable tip portions 12d and 13d of the car sill 12c and the landing sill 13c move so as to be retracted rearward. , You can reliably prevent the sills from colliding with each other.

  When the distance between the elevator car 1 and the landing 5 returns to a normal distance, the movable tip portions 12d and 13d are returned to their original positions by the biasing springs 12e and 13e, and there is no problem in getting on and off the passenger.

  In addition, in the case of the first embodiment, the cage sill 12c and the landing sill 13c are configured to be movable, so that the cage sill with a large capacity that cannot be prevented by the problem of the strength of the guide roller 16, the cam 17, or the sill between the sills. And the landing threshold can be reliably prevented.

Embodiment 5. FIG.
FIG. 13 is a view corresponding to FIG. In FIG. 13, the same reference numerals are assigned to the same or corresponding parts, and the description thereof is omitted.
In the figure, each of the car sill 12 and the landing sill 13 is provided with a cam 17 having sliding surfaces 17b facing each other.

  Thereby, compared with the first embodiment, the second embodiment, or the fourth embodiment, since the guide roller 16 is not used, there is no rotating portion, so that there is little failure and the reliability can be improved.

  Moreover, it can be manufactured at low cost.

Embodiment 6 FIG.
FIG. 14 is a front view of a cam showing the sixth embodiment.
In the figure, reference numeral 17c denotes a polymer-based sliding material having a low frictional resistance value attached to the sliding surface 17b of the cam 17.

  Thus, when the guide roller 16 or the sliding surface 17b of the opposing cam 17 is in contact with the sliding surface 17b of the cam 17, the ends of the car sill 12 and the landing sill 13 can be smoothly guided, and the elevator car 1 ride comfort will be improved.

Embodiment 7 FIG.
FIG. 15 is a view corresponding to FIG. In FIG. 15, the same or corresponding parts are denoted by the same reference numerals, and thus description thereof is omitted.
In the figure, 12j, 12l, and 12k are high-molecular sliding materials having a low frictional resistance value that are attached to the lower surface of the upper side, the lower side, and the lower surface of the sill guide 12f. is there. Similarly, 13j, 13l, and 13k are high-molecular sliding materials having a low frictional resistance value that are attached to the movable tip 13c of the landing sill 13b in the same configuration as the car sill 12b.

  As a result, the sliding portions of the movable tip portions 12d and 13d slide smoothly with lower resistance, and the movable tip portions 12c and 13c become more smoothly movable, leading to an improvement in the riding comfort of the elevator car.

Embodiment 8 FIG.
FIG. 16 is a view corresponding to FIG. In FIG. 16, the same or corresponding parts are denoted by the same reference numerals, and the description thereof is omitted.
The pair of guide rollers 16 and the cam 17 facing the guide rollers 16 are arranged immediately next to the effective width of the entrance / exit of the car door 2 and the landing door 7. Further, the guide roller 16 is arranged so as to be small so as not to interfere with the movement of the car door 7 in the opening and closing direction by being applied to the rail 12a.

  Thereby, when the guide roller 16 and the cam 17 are provided at both longitudinal ends of the car sill 12 and the landing sill 13, the action of the guide roller 16 and the cam 17 is caused by the bending of the car sill 12 and the landing sill 13. It can solve the problem that it is difficult to communicate.

FIG. 1 is a longitudinal sectional view of the vicinity of an elevator car door, a landing door, and an elevator sill device according to Embodiment 1 of the present invention. FIG. 2 is an enlarged vertical sectional view of a portion A in FIG. It is a perspective view which shows the attachment of the guide roller and cam which were provided in the front-end | tip part of a cage | basket sill, and the front-end | tip part of a landing sill. It is a perspective view which shows the attachment detail of the guide roller and cam of the C section of FIG. FIG. 3 is a diagram corresponding to FIG. FIG. 5 is a diagram corresponding to FIG. FIG. 3 is a diagram corresponding to FIG. FIG. 5 is a diagram corresponding to FIG. FIG. 6 is a diagram corresponding to FIG. FIG. 10 is a diagram corresponding to FIG. FIG. 6 is a diagram corresponding to FIG. FIG. 12 is a detailed view of a portion D in FIG. 11. FIG. 6 is a diagram corresponding to FIG. FIG. 10 is a front view of a cam showing a sixth embodiment. FIG. 10 is a diagram corresponding to FIG. FIG. 9 is a diagram corresponding to FIG.

Explanation of symbols

1 elevator car,
2 The cage door,
2a, 3a Door mounting plate,
2b, 3b door sliding material,
3 Car door closing device,
4 basket floor,
5 Elevator landing
6 landing frame,
7 Platform door,
8 Door closing device at the landing,
9 Hanger case,
10 landing floor,
11 Elevator sill device,
12, 12c Basket sill,
12a, 13a rail,
12b, 13b tip,
12d, 13d movable tip,
12e, 13e biasing spring,
12f, 13f threshold guide,
12g, 13g bolt and nut,
12h, 13h Stopper engaging part,
12i, 13i convex engagement part,
12j, 12k, 12l, 13j, 13k, 13l sliding material,
13, 13c Boarding threshold,
14 Floor beams,
15 Sill receiving beam,
16 Guide rollers,
16a, 17a mounting plate,
16b bearing,
17 Cam,
17b The sliding surface of the cam,
17c cam sliding material,
18, 19 Apron.

Claims (13)

Elevator car floor,
A landing floor on which the car floor is landed;
A car sill provided on the car floor and facing the landing floor;
A landing sill provided on the landing floor and facing the car sill;
An elevator sill apparatus comprising a guide roller provided rotatably on the car sill and protruding from the car sill toward a landing sill. Elevator car floor,
A landing floor on which the car floor is landed;
A car sill provided on the car floor and facing the landing floor;
A landing sill provided on the landing floor and facing the car sill;
An elevator sill device comprising a cam provided in the car sill and protruding from the car sill in a landing sill direction.   3. A predetermined distance between the car sill and the landing sill facing each other is 8 to 10 mm, and a protruding amount of the guide roller or the cam from the sill is smaller than the predetermined value. Elevator sill equipment.   The guide roller or cam is normally located away from the landing threshold, and the guide roller or the cam contacts the landing threshold when the car is greatly shaken in the landing direction. 4. The elevator sill device according to any one of 3 above. Elevator car floor,
A landing floor on which the car floor is landed;
A car sill provided on the car floor and facing the landing floor;
A landing sill provided on the landing floor and facing the car sill;
A guide roller which is rotatably provided on the car sill and protrudes from the car sill toward the landing sill,
A cam provided on a landing threshold and protruding from the landing threshold toward the car floor,
The elevator sill device characterized in that the guide roller and the cam are normally separated from each other and contact each other when the car is greatly shaken in the direction of the landing. Elevator car floor,
A landing floor on which the car floor is landed;
A car sill provided on the car floor and facing the landing floor;
A landing sill provided on the landing floor and facing the car sill;
A cam provided in the car sill and protruding from the car sill toward the landing sill;
A cam provided on a landing threshold and protruding from the landing threshold toward the car floor,
The elevator sill device characterized in that the cams are normally separated from each other and contact when the car is greatly shaken in the direction of the landing.   The elevator sill apparatus according to any one of claims 2 to 6, wherein a plate surface of the cam is longer in a vertical direction than a landing sill, and upper and lower ends are warped backward.   8. The car sill and the landing sill have a movable tip formed by dividing the tip, and the movable tip is provided with either a guide roller or a cam. The elevator sill apparatus in any one of.   9. The car sill and the landing sill have a guide device that engages and slides with each movable tip portion, and the guide device regulates the left-right position and the lift of the movable tip portion. The elevator sill device described.   When the engaging portion provided at the movable tip portion and the engaging portion provided at the guide device are respectively engaged, the movable tip portion is restricted in the movable range in the tip direction. The elevator sill device according to claim 8 or 9, which faces each other at a specified distance.   The elevator sill apparatus according to any one of claims 8 to 10, wherein each of the movable tip portions is always urged by a biasing spring in a direction toward the tip of the car sill and the landing sill.   The elevator sill apparatus according to any one of claims 2 to 11, wherein the cam has a polymer sliding material pasted on a surface thereof.   The elevator sill apparatus according to any one of claims 8 to 12, wherein a polymer-based sliding material is attached to a portion where the movable tip portion slides.

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