JP5358394B2 - Elevator device and elevator door device - Google Patents

Abstract

The present invention provides an elevator device and an elevator door device of the elevator, which cause a fact that a buffer component is changed at a state that the elevator door is not dismounted thereby shortening the replacement time of the buffer component. The elevator device (100) of the invention is provided with the following components: an elevator cage (101), the elevator door (1) and elevator door seam components (8a,8b). Buffer components (9,10) are accommodated in the elevator door seam components. The elevator door seam components are equipped with a state that the buffer components are oppositely equipped at a state that the elevator door is closed. The elevator door seam components are constructed to be detachably equipped on a door stop part at a state that the buffercomponents are accommodated. At least one buffer component is internally provided with a detection device (11) which detects whether a foreign matter is clamped when the elevator door is closed. Furthermore, in the elevator door device of the invention, an elevator door seam component unit which is composed of the elevator door seam components is equipped to the door stop part at the front end ofthe elevator door.

Description

  The present invention relates to an elevator apparatus and an elevator door apparatus, and more particularly to an improvement in a structure for mounting a buffer member to a door door contact portion.

  An elevator door in which a door joint integrally molded with a thin plate is attached as a design accent to the door-to-door part of the elevator and a buffer member is housed inside the door joint is considered (for example, see Patent Document 1).

Japanese Utility Model Publication No. 53-010680

  In the above document, a door joint is fixed with a screw to a door stop portion of an elevator door, and then a buffer member is inserted for assembly. Further, since the buffer member is flexible, it can be deformed and fitted into the door joint.

  However, in the prior art, since the cushioning member is inserted into the door joint after attaching the door joint, for example, when replacing the cushioning member, the door is removed and the cushioning member is removed, and then a new cushioning member is installed. Inserting or pulling out while deforming the cushioning member with the door jointed on the door, and deforming and fitting a new cushioning member is performed. However, when working with the door removed, a great deal of time is required for the replacement work. In addition, even when fitted, the door joint and cushioning member are constructed with such a hardness and structure that they will not fall out even if a person or object entering the elevator hits the cushioning member. It was not possible to easily perform the operation of inserting the cover, and it took a long time for the replacement work.

  In recent years, a detection device that detects that a foreign object has been caught in the elevator door may be provided. In this way, when a detection device that detects the trapping of a foreign object or the like is built into the buffer member, the detection device may break down if the buffer member is deformed and fitted into the door joint. It is desirable to assemble the cushioning member so as to be inserted from the door joint end. However, even if it becomes necessary to replace the shock absorbing member with the built-in detection device after the elevator is delivered to the customer due to a failure, the door must be removed to insert the shock absorbing member with the built-in detection device into the door joint. There is a problem that a lot of time is required.

  This invention is made | formed in view of the said subject, and it aims at providing the elevator apparatus and elevator door apparatus which can shorten the time which replace | exchanges a buffer member, without removing a door.

In order to achieve the above object, an elevator apparatus according to the present invention includes a car that moves up and down on a hoistway, a door that opens and closes when getting on and off the car, and a door joint that is attached to a door contact portion of the door. An elevator device in which a buffer member is housed inside the door joint, and the door joint is attached so that the buffer members are arranged to face each other with the door closed. A detection device that is configured as a door joint unit that can be detachably attached to the door contact portion in a state in which the buffer member is housed, and detects that a foreign object has been caught when at least one of the buffer members is closed. There is incorporated, together with the guide member to induce the detection device scoop foreign objects at the bottom of the door joint unit is mounted, the door joint Yoo A holding member for holding the buffer member so as not to come out of the door is attached to the lower end of the buffer member, and a portion of the guide member facing the lower part of the door joint unit is provided with the buffer including the detection device. A notch or a wiring through hole is provided for passing the wiring of the detection device when the door joint unit containing the member is attached .

In order to achieve the above object, an elevator door device according to the present invention is attached to a car that moves up and down in a hoistway, a door that opens and closes when getting on and off the car, and a door contact portion of the door. In an elevator door device, wherein a buffer member is housed inside the door joint, and the door joint is attached so that the buffer members are arranged to face each other with the door closed. The door joint is configured as a door joint unit that can be detachably attached to the door contact portion in a state in which the buffer member is housed, and foreign matter is sandwiched when the door is closed by at least one of the buffer members. detection device for detecting the internal, the door joint unit is attached to door stop portion of the door tip, a foreign matter at the bottom of the door joint unit A guide member that is lifted up and guided to the detection device is attached, and a pressing member that holds the buffer member so as not to come out of the door joint unit is attached to the lower end of the buffer member, and the door joint of the guide member is A portion facing the lower portion of the unit is provided with a notch or a wiring through hole for passing the wiring of the detection device when the door joint unit containing the buffer member containing the detection device is mounted. It is .

  ADVANTAGE OF THE INVENTION According to this invention, the elevator apparatus and elevator door apparatus which can shorten the time which replace | exchanges a buffer member, without removing a door can be provided.

It is a figure which shows the whole elevator apparatus outline | summary in the Example of this invention. It is a front view of the door device of the elevator in the Example of this invention. It is an expanded sectional view which shows the AA cross section of the door stop part in FIG. It is an exploded view which shows the assembly procedure of FIG. It is an enlarged view of the door lower part B part in FIG.

  Hereinafter, the present invention will be described in detail by way of examples with reference to the drawings.

  FIG. 1 is a diagram showing an overall outline of an elevator apparatus according to an embodiment of the present invention. As shown in the figure, an elevator apparatus 100 in this embodiment drives a car 101 and a counterweight 102 that move up and down in a hoistway 110, and a rope 103 and a rope 103 that suspend the car 101 and the counterweight 102. Thus, a hoisting machine 104 that drives the car 101 and the counterweight 102 in the vertical direction of the hoistway 110 is provided. A sheave 105 is attached to the hoisting machine 104, and the rotational torque of the sheave 105 is transmitted to the rope 103 by the frictional force generated between the rope 103 and the sheave 105, and the counterweight 102 is counterbalanced with the car 101 via the rope 103. Moves.

  FIG. 2 is a front view of an elevator door device according to an embodiment of the present invention. As shown in the figure, the doors 1a and 1b of the door device 1 in this embodiment are suspended on the door rail 4 installed on the door rail frame 3 by the hangers 2a and 2b, and the hanger rollers 5a, 5b, 5c and 5d are the door rail 4. It has a structure that can be opened and closed by rolling upward, and is driven to open and close by a motor (not shown). Guide shoes 6a and 6b are attached to the lower portions of the doors 1a and 1b, and the doors 1a and 1b can be opened and closed while maintaining a vertical position by sliding smoothly in a groove provided in the sill 7. I have to. With such a configuration, the doors 1a and 1b of the door device 1 open and close the entrance / exit of the car 101.

  A pair of door joints 8a and 8b are attached to the door contact portions of the doors 1a and 1b, in the present embodiment, the door tips facing each other when the doors 1a and 1b are closed. Cushioning members 9 and 10 are provided from the joints 8a and 8b to the door stop side.

  3 is an enlarged cross-sectional view showing the AA cross section of the door stop portion in FIG. 2, and FIG. 4 is an exploded view showing the assembly procedure of FIG. As shown in FIGS. 3 and 4, the shock-absorbing member 9 has a convex contact surface, and the shock-absorbing member 10 has a concave door contact surface. The pair of door joints 8a and 8b have a symmetrical shape, and are attached so that the buffer members 9 and 10 are arranged to face each other with the door closed. As shown in FIG. 4, the doors 1 a and 1 b have a bowl-shaped cross section having a main body surface 22, a door front end surface 23 folded back from the main body surface 22, and a folded portion 24 folded back from the door front end surface 23. And the hole for attaching door joint 8a, 8b is made in the door front end surface 23 which is the door stop part of the door 1a, 1b.

  Moreover, the screw part of the volt | bolt 12 is provided as a fixing member in the back surface of the door joint 8a, 8b which is an attachment part to the door front end surface 23 which is a door stop part. The bolt 12 is attached to the back surface of the door joint 8b, that is, the surface opposite to the surface having the protrusion 9a of the buffer member 9 by welding or caulking so as to have a threaded portion. Similarly, a bolt 12 is also attached to the back surface of the door joint 8a by welding, caulking or the like so as to have a threaded portion on the surface opposite to the surface of the cushioning member 10 having the recess. This threaded portion is passed through a mounting hole in the door front end surface 23 which is a door contact surface of the door 1a, 1b, and is tightened with a nut 13 as a coupling member from the back side of the door 1a, 1b to fix the door joint 8a, 8b. .

  Further, the nut 13 can be rotated by applying a tool such as a spanner for rotating the nut 13 to the folding length 17 of the door contact portion 24 of the door 1a, 1b when the nut 13 is attached to the bolt 12. The length is the same as or longer than the length of the tool, making it easier to use tools such as a spanner.

  Here, the door joint 8b provided with the bolts 12 is a state in which the shock absorbing member 9 containing the detection device 11 for detecting that the door has caught a foreign object is housed, and can be detachably attached to the door contact portion. It constitutes a door joint unit. Moreover, the door joint 8a provided with the bolts 12 constitutes one door joint unit that can be detachably attached to the door-stop portion in a state in which the buffer member 10 is housed. One of the pair of door joint units is attached to the door 1a, and the other is attached to the door end door contact portion of the door 1b to constitute the door device 1. With such a door joint unit, it is possible to perform the replacement work of the buffer member or the detection device after the elevator is delivered to the customer without removing the door.

  In addition to the bolt 12 as a fixing member, a claw hooking on a hole provided in the door front end surface 23 is provided, and the door and the door joint are fastened together with a screw or the like as a coupling member in a state where the claw is applied. You may comprise.

  With such a configuration, a buffer member with a built-in detection device and a door joint assembled in advance as a unit are attached to the door, and this unit is replaced when replacing, so the unit is assembled at the factory. Shipment is possible, and the quality is more stable than when a cushioning member containing a detection device is inserted into the door joint at the replacement work site. In addition, because the buffer member is flexible, care must be taken so that the positional relationship between the buffer member and the detection device does not change due to vibration during transportation, etc., or the buffer member incorporating the detection device is deformed and does not get wrinkled, By storing in the door joint, the posture of the buffer member incorporating the detection device is fixed, so no problem arises even with a normal transport method.

  In addition, a saddle-shaped reinforcing member 16 that reinforces the doors 1a and 1b is provided on the rear surface of the main body surface 22 of the doors 1a and 1b, and the strength of the doors 1a and 1b is maintained, and various devices can be attached. ing. The door joint unit can be fixed by the nut 13 as a coupling member from the space between the end of the reinforcing member 16 opposite to the surface joined to the back surface of the main body surface 22 and the end of the folded portion 24. ing.

  In this embodiment, the space between the end portion of the reinforcing member 16 and the end portion of the folded portion 24 is closed, and the fixed portions of the door joints 8a and 8b are L-shaped so that they cannot be seen by passengers riding on the elevator apparatus 100. The cover 14 is attached to the folded portion 24 with screws 15 that are cover attaching members.

  The cover 14 is bent in an L shape to increase the strength when the cover 14 itself and the doors 1a, 1b receive a force in a direction perpendicular to the main body surface 22, and the cut portion is hidden inside the door. , So that you won't get hurt if you touch it. Further, the gap between the reinforcing member 16 and the cover 14 is set to be approximately 3 mm or less so that even if a user's hand touches, it does not get inside.

  If the door joint unit is not painted, the cover 14 and the screw 15 are made of the same material as the door joints 8a and 8b or a material of the same color. If the door joint unit is painted, the cover By painting 14 and the screw 15 in the same or similar colors, the feeling of discomfort that the cover 14 and the screw 15 that are not provided in the conventional elevator doors are attached is relieved, and the doors 1a and 1b are in the vicinity of the door contact portion. It can give a sense of design unity. Conversely, the cover 14 and the screw 15 can be made inconspicuous by making them black.

  In addition, when the protrusion 9a of the buffer member 9 is pushed when a foreign object is pinched | interposed with the doors 1a and 1b, the detection apparatus 11 incorporated in the buffer member 9 will output a detection signal.

  There is no problem when the wiring of the detection device 11 exits from the upper part of the door 1b, but care must be taken when exiting from the lower part of the door 1b. That is, it is necessary to reduce the slack so that the wiring 20 does not rub the sill 7, and it is necessary to fix in that state. FIG. 5 is an enlarged view of a door lower portion B in FIG. As shown in the figure, a guide member 18 that scoops up foreign matter and guides it to the detection device 11 is attached to the lower portion of the door joint unit, and a pressing member 21 that holds the buffer member 9 from the door joint unit so as not to come out. 9 is attached to the lower end. In addition, although the door 1b is mentioned and demonstrated in this drawing, the structure of this part is the same also with the door 1a.

  The guide member 18 attached to the door 1b has an inclined surface cut toward the protrusion 9a of the buffer member 9, and when the door 1b closes, the foreign material is scooped up to the protrusion 9a and detected by the detection device 11 It is something that helps. In addition, the guide member 18 attached to the door 1a also has an inclined surface cut toward the buffer member 10, and when the door 1a closes, the foreign material is scooped up to the buffer member 10, and the door 1a and the door 1b Before closing, the detection device 11 provided in the door 1b assists in detecting pinching.

  Further, in the door 1b, the wiring of the detection device 11 when the door joint unit in which the buffer member 9 in which the detection device 11 is housed is installed is attached to the portion of the guide member 18 facing the lower portion of the door joint unit. A notch 19 is provided for this purpose. In this embodiment, the notch 19 is used, but this may be a wiring through hole. Further, the door 1a does not use the notch 19 or the wiring through hole, but even if the notch 19 or the wiring through hole is provided, there is no problem at all. By doing so, mass production becomes easier.

  When the guide member 18 that scoops up foreign matter and guides it to the detection device 11 at the lower part of the door contact side of the doors 1a and 1b is provided in this way, the guide member 18 is provided with a notch 19 to secure the wiring path of the wiring 20. It is preferable that a large load is not applied to the wiring 20. Further, if the through holes of the wiring 20 are made in the door 1b and the door joint 8b, wiring becomes easier.

  In addition, a holding member 21 is attached to the end portions of the buffer members 9 and 10 so that the buffer members 9 and 10 do not come out. However, if a flat wiring is used, the holding member 21 can be used to stably hold the wiring 20. I can do things. As shown in FIG. 5, the holding member 21 holds the buffer member 9 so as not to come out of the door joint unit, and fixes the wiring 20 of the detection device 11 that has come out of the guide member along the longitudinal direction of the door joint unit. It is possible. That is, when the pressing member 21 is attached, the wiring 20 is sandwiched and fixed, so that the wiring 20 does not hang down and interfere with surrounding parts, or it does not rub against the doors 1a and 1b due to vibration. Needless to say, the holding member 21 is also provided with a through hole for the wiring 20.

  As described above, the elevator apparatus 100 according to the present embodiment is attached to the car 101 that moves up and down the hoistway 110, the door 1 that opens and closes when the car 101 gets on and off, and the door contact portion of the door 1. A pair of door joints 8a and 8b. The buffer joints 9 and 10 are housed inside the door joints 8a and 8b, and the cushion members 9 and 10 are arranged to face each other with the door 1 closed. In the elevator apparatus 100 to which one of the pair of door joints 8a and 8b is attached, the door joints 8a and 8b can be detachably attached to the door contact portion in a state in which the buffer members 9 and 10 are accommodated. The at least one door joint unit 8a, 8b has a built-in detection device 11 for detecting that a foreign object is caught when the door 1 is closed by the buffer members 9, 10; Door joints 8a, is constituted by one of 8b. In the elevator door device 1 of the present embodiment, the door joint unit having such a configuration is attached to a door stop portion at the front end of the door 1. According to such an elevator and an elevator door device, it is possible to provide an elevator device and an elevator door device capable of shortening the time for replacing the buffer member without removing the door.

  In the present embodiment, an example in which the present invention is applied to a car door has been described. However, if the door is opened and closed when a person or a luggage is getting on or off, the elevator apparatus 100 is provided instead of the car door. The present invention may be applied to a landing door provided at a landing on each floor of the building, or may be applied to both a car door and a landing door.

  Further, the doors 1a and 1b described in the present embodiment can obtain the same effect even if the left and right are interchanged.

  In the embodiment of the present invention, the double door has been described, but the same structure can be applied to a high-speed door of a single door. In this case, one side may be a door-to-door pillar as a door-to-door part, and one door joint unit may be attached to this door-to-door pillar. 10 may be attached.

  In explaining this implementation, the door-stop portion represents the portion of the door facing the tip of the door when the door is closed, and in this example, because it is a double door, The door contact portion is the tip of both doors 1a and 1b. For example, when this is a one-sided door, it refers to a door-to-door pillar whose front end faces the front end when the door is closed.

  In addition, as a detection device applicable to the present invention, a pressure sensor, a sensor that can detect that the buffer member 9 is crushed by contact with an electrode, or the like can be applied.

DESCRIPTION OF SYMBOLS 1 Door apparatus 1a, 1b Door 2a, 2b Hanger 3 Door rail frame 4 Door rail 5a, 5b, 5c, 5d Hanger roller 6a, 6b Guide shoe 7 Sill 8a, 8b Door joint 9 Buffer member (convex type)
9a Cushioning member (convex) projection 10 Buffering member (concave)
11 Foreign object detection device 12 Bolt (fixing member)
13 Nut (coupling member)
14 Cover 15 Screw (Cover mounting member)
16 Reinforcement member 17 Length of folded portion 18 of doors 1a and 1b Guide member 19 Notch 20 Wiring 21 Holding member 22 Main body surface 23 Door front end surface 24 Turned portion 100 Elevator device 101 Car 102 Balance weight 103 Rope 104 Hoisting machine 105 sheave 110 hoistway

Claims (6)

A car that moves up and down the hoistway, a door that opens and closes when getting on and off the car, and a door joint that is attached to a door contact portion of the door, and a buffer member is housed inside the door joint In the elevator apparatus to which the door joint is attached so that the buffer members are arranged to face each other with the door closed,
The door joint is configured as a door joint unit that can be detachably attached to the door contact portion in a state in which the buffer member is housed.
A detection device that detects that a foreign object has been caught when the door is closed to at least one of the buffer members is incorporated ,
A guide member for scooping up foreign matter and guiding it to the detection device is attached to the lower portion of the door joint unit, and a holding member for holding the buffer member from coming out of the door joint unit is attached to the lower end portion of the buffer member. In the portion of the guide member that faces the lower portion of the door joint unit, a cut-out for passing the wiring of the detection device when the door joint unit containing the buffer member containing the detection device is attached. An elevator apparatus provided with a notch or a wiring through hole .   In Claim 1, The fixing member is provided in the attachment part to the said door stop part of the said door joint unit, The hole into which the said fixing member is inserted is provided in the said door stop part, The said fixing member is said hole. The elevator apparatus is characterized in that it is inserted into the door and fixed with a coupling member from the rear surface of the door stop. 3. The door according to claim 2, wherein the door has a main body surface, a door front end surface folded back from the main body surface, and a cross-sectional saddle shape folded back from the door front end surface, to which the door joint unit is attached. The portion is the front end surface of the door, and a reinforcing member having a cross-sectional saddle shape that reinforces the door is provided on the back surface of the main body surface, and the coupling is performed from the space between the end of the reinforcing member and the end of the folded portion. The door joint unit is configured to be fixed with a member,
A cover having an L-shaped cross section that closes the space between the end of the reinforcing member and the end of the folded portion is fixed to the folded portion by a cover mounting member,
When the door joint unit is not painted, the cover and cover mounting member are made of the same material as the door joint or a similar color material, and when the door joint unit is painted, the cover And the cover mounting member is painted in the same or similar color.   4. The bolt according to claim 3, wherein a bolt is used as the fixing member, and a nut is used as the coupling member. The length of the nut is the length of the folded portion, and a tool for rotating the nut can be rotated over the nut. An elevator apparatus characterized in that the length is equal to or greater than the total length. 5. The pressing member according to claim 1 , wherein the pressing member holds the buffer member so that the buffer member does not come out of the door joint unit, and the wiring of the detection device that has come out of the guide member extends along the longitudinal direction of the door joint unit. An elevator device characterized in that it can be fixed. A car that moves up and down the hoistway, a door that opens and closes when getting on and off the car, and a door joint that is attached to a door contact portion of the door, and a buffer member is housed inside the door joint In the door device of the elevator to which the door joint is attached so that the buffer members are arranged to face each other with the door closed,
The door joint is configured as a door joint unit that can be detachably attached to the door contact portion in a state in which the buffer member is housed.
A detection device that detects that a foreign object has been caught when the door is closed to at least one of the buffer members is incorporated,
The door joint unit is attached to a door stop portion of the door tip ,
A guide member for scooping up foreign matter and guiding it to the detection device is attached to the lower portion of the door joint unit, and a holding member for holding the buffer member from coming out of the door joint unit is attached to the lower end portion of the buffer member. In the portion of the guide member that faces the lower portion of the door joint unit, a cut-out for passing the wiring of the detection device when the door joint unit containing the buffer member containing the detection device is attached. A door device for an elevator, wherein a notch or a wiring through hole is provided .

Images