FI115900B - Shaft door to a lift - Google Patents

Description

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LIFT LEVEL

The invention relates to an elevator level door as defined in the preamble of claim 1.

In the old elevators there was a single door on the level with a swing door that opens on the level out of the elevator car. The elevator car itself had no door at all in the old solutions. Over the years, 10 such lifts have resulted in several serious accidents in which the elevator passenger has somehow been in direct contact with the fixed structures of the building through the open front of the elevator car. Due to, among other things, this problem, doors to both the elevator car and floor levels have been required to improve safety. 15 In new buildings, there is no problem to equip elevators with both gate and level doors, but in old buildings, elevator shafts and elevator lounges are often so narrow that it is impossible to build separate gate and level doors according to new standards. This leaves the only 20 possibilities to continue to use the swing door as a level door, which today, however, is banned almost everywhere.

JP 10-25073 discloses an elevator level sonov, wherein at least a portion of the width of the sectional door is adapted to slide into the form of a lift plane into its protective casing upon opening. JP 62-196294 discloses an elevator level door in which a sectional door is adapted to pass through a pathway, the first part of which is in front of the elevator door opening jΓ and the second part of which is perpendicular to the first: 30 parts outside the elevator car width.

The object of the present invention is to eliminate the aforementioned drawbacks and to provide a safe, simple and: compact elevator level door that can be built into 35 modernized elevators, even in narrow elevator shafts. The elevator door according to Kek-115900 2 is characterized by what is disclosed in the characterizing part of claim 1. Similarly, other embodiments of the invention are characterized by what is set forth in the other claims.

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Inventive embodiments are also disclosed in the specification of this application. The inventive content contained in the application may also be defined otherwise than as set forth in the claims below. The inventive content may also consist of several separate inventions, especially if the invention is considered in the light of the express or implied subtasks or the benefits or groups of benefits achieved. In this case, some of the attributes contained in the claims below may be redundant for individual inventive ideas. Aspects of various embodiments of the invention may be applied in conjunction with other embodiments within the scope of the inventive concept.

An advantage of the leveling solution according to the invention is the space-saving: '·· and user-safe construction, which can also be automated. A further advantage is that the platform door according to the invention can be installed in modernized elevators with narrow-

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· ,,,: in the elevator shaft. It is also an advantage that the level door according to the invention meets current elevator standards.

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The invention will now be described in more detail in an embodiment of the invention; with reference to the accompanying drawings, in which Fig. 1 shows a simplified and schematic view of an elevator with a level door according to the invention: top view with the doors closed and 115900 3 Fig. 2 shows a simplified and diagrammatic view of an elevator with level door open.

Figures 1 and 2 show a top view of the elevator car 2 in the elevator shaft 1 at the floor level. The elevator car in question is, for example, a new car installed in an old shaft in connection with modernization, which, in connection with modernization, has been fitted with new, safe, standard car and level 10 doors required by standards. The old elevator shaft 1 was originally intended for a revolving door elevator, where the elevator car itself did not have a door, but said revolving door was only a level door. Therefore, there is no space reserved in the elevator shaft 1 and in the floor level for the sliding doors of the elevator currently used, which require space in the elevator width when opened. It is possible to provide the elevator car 2 with a bellows door opening inwardly in the car or a slat door 4 shown in the figures, which opens in the width direction from the center of the car 2 and has a travel path 3 curved from the front 20 to the sides of the car. The passage of the car's sectional door 4 • '·· 3 consists of, for example, C-rails above and below the sectional door, along which the door sections are guided in the direction of the car. * · * In front of the passage of the car . The drive mechanism 25 of the lamella door 4, not shown in the figures, may be located, for example, in connection with the elevator car 2.

; Correspondingly, the level door according to the invention is made of a parallel door 8 which is essentially similar in function and structure to the car door, which is a two-part door opening in the middle : along narrow lanes 7.

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The passageway 7 of the level sectional door 8 consists, for example, of C-rails above and below the sectional sectional 8, along which the door sections are guided to pass in front of the passage of the elevator car 2 and the door opening substantially perpendicular to the floor 7 extends about 200-400 mm from the surface of the plane wall 5. By the term "outside the elevator car width" it is meant herein that the horizontal distance between the other ends of the runway 7 extending to the level of the runway is a foot-10 greater than the width of the elevator car. The drive mechanism corresponding to the platform door basket door may also be located in the elevator car 2 and may cooperate with the platform door drive mechanism.

The plane lamella door 8 and its passage 7 are protected by housings 6 placed on the plane 15, which can be for example cases made of a thin sheet of steel. In addition, the housing 6 may be furnished, for example, by integrating the push buttons 9 of the elevator exits with the front surface of the housing 6 either directly or with a push button box.

20: It will be apparent to one skilled in the art that the invention is not limited to: the embodiments described above, wherein the invention is illustrated by way of example, but various embodiments of the invention are possible within the scope of the inventive idea defined by the claims below.

Thus, for example, the structure of the plane sectional door 8 may deviate from * * · above. Depending on the layout of the building, the position of the elevator shaft relative to the elevator lobby may be such that the planar sectional door 8 can be made one edge rather than the center-opening door, allowing the planar door to open substantially adjacent the elevator car end wall. pi-: to the truth. In this case, no more than one protective casing is needed for the level door, · directly adjacent to the level wall.

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It will also be apparent to one skilled in the art that the enclosure structure may be constituted by the building's own structures. In this case, the protective housing may be integrated or suitably embedded in the building's own structures, whereby the protective housing may look outwards, for example, from a decorative column, a support column or the like.

Claims (7)

A shaft door to an elevator extending in an elevator shaft (1), wherein the elevator basket (2) is provided with a separate basket door and the shaft door is a slat door (8), the width of which is at least part of which is slid into the opening. the space formed by the elevator plane, characterized in that the slat door (8) forming the shaft door is arranged to slide along at least one tread (7), the first part of which is located in front of the door opening of the elevator and the second part of the tread is set at substantially ninety degrees the first part. 2. Shaft door to an elevator according to claim 1, characterized in that the second part of the tread (7) reaches outside the elevator shaft, substantially out of the width of the elevator basket. »* · Shaft door to an elevator according to claim 1 or 2, characterized in that the lamella door (8) forming the elevator door in the shaft door is divided and arranged to open in the width direction of the elevator basket '1' (2) from the center of the elevator basket ( 2) towards the corner of the elevator basket (2). i *! I »» »> * t • · t» 4 »115900 4. A shaft door for a lift according to any of the preceding claims, characterized in that the ends of the slat door (8) open open and the treads (7) on the plane are placed in a protective housing (6). 5 Shaft door for an elevator according to any of the preceding claims, characterized in that the push buttons (9) for the external calls to the elevator are integrated in the protective housing (6). 6. A shaft door for a lift according to any of the preceding claims, characterized in that the shaft door drive machinery is located in the elevator car (2). 7. A shaft door for a lift according to any of the preceding claims, characterized in that the protective casings (6) are formed by the building's own structures. • · • «· • · •» • 1 1 · • 1 1 • · • 1 I 1 »4 1 1 • tl I I) I <I i • | • 1 • · I I I »I I '1