KR101262886B1 - Step apparatus for elevator - Google Patents

Abstract

An elevator scaffolding apparatus is disclosed, and the elevator scaffolding apparatus includes: a scaffolding mechanism having one end rotatably mounted up and down on a lower side of an elevator chamber; And a gear unit connecting the elevator door and the scaffold mechanism to rotate the scaffold mechanism according to opening and closing of the elevator door, wherein the gear part is a linear gear interlocked with the elevator door; A compound gear having a spur gear that meshes with the linear gear and converts linear movement of the linear gear into rotation, and a first bevel gear that is linked with rotation of the spur gear; And a second bevel gear meshed with the first bevel gear to convert the rotation of the compound gear into a rotation having the opening and closing direction of the elevator door as a rotation axis, and engaged with one end of the scaffolding mechanism to rotate the scaffolding mechanism. .

Description

Elevator footrest device {STEP APPARATUS FOR ELEVATOR}

The present invention relates to an elevator scaffolding device that compensates for the gap between the elevator and the platform.

When the car arrives at the hall, the car door and the landing door along each of the car sill and hall sill that guide the door while preventing the door from deviating. The hall door is opened together.

On the other hand, in order for the elevator to move up and down stably in the hoistway, an appropriate separation distance between the hoist and the hoistway must be maintained. However, when the door is opened, a space formed between the elevator chamber and the landing chamber may be exposed to the outside, and in order to prevent a safety accident that may occur due to this, a scaffolding device capable of adequately filling the spaces required is required. do.

By the way, the conventional scaffolding apparatus is provided mostly for the subway platform. For example, Korean Patent No. 10-0929482 discloses a safety platform for a subway platform. Since the subway moves in a horizontal direction unlike the elevator, if the footrest is provided so as to avoid interference only at the same height as the subway, there may be no problem for safety even if a problem occurs in the movement of the foothold.

On the contrary, since the elevator moves up and down along the hoistway, if a power source such as a drive motor or a control device for controlling the motor fails, the footrest installed in the hoistr cannot be operated in accordance with the opening and closing of the door. There is. For example, when the elevator does not move in a protruding state due to an abnormal control during operation of the elevator, there is a problem in that the elevator may be damaged due to collision with the hoistway or the platform or being subjected to excessive wind pressure.

The present invention is to solve the above-mentioned problems of the prior art, an object of the present invention is to provide an elevator scaffolding device that can be automatically operated in accordance with the opening and closing of the door without a separate power source and control device.

As a technical means for achieving the above technical problem, the elevator scaffolding apparatus according to the first aspect of the present invention, the elevator scaffolding device, the scaffolding mechanism is rotatably mounted up and down on the lower side of the elevator chamber; And a gear unit connecting the elevator door and the scaffold mechanism to rotate the scaffold mechanism according to opening and closing of the elevator door, wherein the gear part is a linear gear interlocked with the elevator door; A compound gear having a spur gear that meshes with the linear gear to convert the linear movement of the linear gear into rotation and a first bevel gear that is linked to the rotation of the spur gear; And a second bevel gear meshed with the first bevel gear to convert the rotation of the compound gear into a rotation having the opening and closing direction of the elevator door as a rotation axis, and fastened to one end of the scaffold mechanism to rotate the scaffold mechanism. Can be.

According to the above-described problem solving means of the present application, by providing a gear portion between the elevator door and the scaffold mechanism, the linear driving force of the elevator door can be converted to a rotation driving force that matches the rotation direction of the scaffold mechanism, so that a separate power source or control device Without opening or closing the elevator door can be automatically interposed or recovered in accordance with, without this, a separate power source or control device may cause an abnormal operation of the scaffolding device can be made more stable elevator operation can be made.

Figure 1 is a schematic cross-sectional view showing the lower portion of the elevator and the platform is equipped with an elevator scaffolding device according to an embodiment of the present application.
2 is a conceptual diagram for explaining the driving of the elevator scaffolding apparatus according to an embodiment of the present application.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. It should be understood, however, that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, the same reference numbers are used throughout the specification to refer to the same or like parts.

Throughout this specification, when a part is referred to as being "connected" to another part, it includes not only a case directly connected but also a case where it is physically or electrically connected with another part in between.

Throughout this specification, when a member is located "on" another member, this includes not only when one member is in contact with another member but also when another member exists between the two members.

Throughout this specification, when an element is referred to as "including " an element, it is understood that the element may include other elements as well, without departing from the other elements unless specifically stated otherwise. The terms "about "," substantially ", etc. used to the extent that they are used throughout the specification are intended to be taken to mean the approximation of the manufacturing and material tolerances inherent in the stated sense, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure. As used throughout this specification, the term "step to" or "step of" does not mean "step for."

Throughout this specification, the term "combination of these" included in the expression of the makushi form means one or more mixtures or combinations selected from the group consisting of constituents described in the expression of the makushi form, wherein the constituents It means to include one or more selected from the group consisting of.

In addition, the description of constitution and technical matters which are obvious to a person having ordinary skill in the art to which the present invention belongs will be simplified or omitted.

1 is a schematic cross-sectional view showing a lower part of an elevator and a platform equipped with an elevator scaffolding apparatus according to an embodiment of the present disclosure, and FIG. 2 is a conceptual view illustrating driving of an elevator scaffolding apparatus according to an embodiment of the present disclosure.

The elevator scaffolding apparatus (hereinafter referred to as 'the elevator scaffolding apparatus') according to an embodiment of the present invention relates to a scaffolding apparatus that compensates for a gap between a hall sill and a car sill.

The elevator scaffolding device 100 is mounted on the elevator side, but may be mounted on the landing side as needed. However, since it is necessary to provide for each floor when it is attached to a boarding point side, it is preferable to attach to a boarding point side. Accordingly, hereinafter, the elevator scaffolding device 100 will be described as interlocking with the elevator door 200, but as described above, the elevator scaffolding device 100 may be provided to interlock with the landing door 300 of each floor. have.

First, the elevator scaffolding apparatus 100 includes the scaffolding mechanism 1.

Referring to FIG. 1, the scaffolding mechanism 1 is mounted on the lower side of the elevator chamber 220 in such a manner that the opening and closing direction of the elevator door 200 can be rotated up and down on a rotation axis.

For example, as shown in FIG. 1, the scaffolding mechanism 1 may be mounted on an outer surface of the elevator chamber supporting member 230 supporting the elevator chamber 220. Here, the outer surface may mean one or more of the outer vertical surface of the elevator chamber receiving member 230 and the outer lower surface of the supporting member 230. In other words, as shown in FIG. 1, one end of the scaffolding mechanism 1 may be mounted on the outer vertical surface of the backing member 230, and depending on the shape of the scaffolding mechanism 1, One end may be mounted or one end may be separately mounted on the outer bottom surface and the outer vertical surface of the support member 230.

1, the scaffolding mechanism 1 may include a plurality of links 12 and arm portions 11.

The plurality of links 12 are hinged to one end of each of the elevator chambers 220 below. For example, referring to FIG. 1, one end of each of the plurality of links 12 may be hinged so as to be rotatable vertically in an opening and closing direction of the elevator door 200 on an outer surface of the elevator chamber supporting member 230 by a rotation axis. Can be. For reference, a plurality of protruding members as shown in FIG. 1 may be provided on the outer surface of the elevator thread support member 230 for the hinge fastening.

In addition, the arm portion 11 is hinged to the other end of the plurality of links 12, the footrest 111 is provided on the upper end. For example, referring to FIG. 1, the arm part 11 may be provided as an arm having a rod shape, and a scaffold may be disposed at an upper end of the arm. Although not shown in the drawing, the arm part 11 may be provided in such a manner that a plurality of arms are arranged side by side in the horizontal direction.

Referring to FIG. 1, two or more links 12 may be hinged to each of the plurality of arms. In this way, the link driving of the scaffolding mechanism 1 can be made by hinge-fastening two or more links 12 to one arm.

In addition, the plurality of links 12 may be provided with the same length and may be fastened to the arm portions 11 to achieve the same rotation angle. Referring to FIG. 1, since the plurality of links 12 are provided with the same length to each other and are arranged side by side on a plane in which rotation is performed, link rotation may be smoothly performed.

When the scaffolding mechanism 1 is provided so as to interpose a scaffold between the elevator chamber 220 and the landing chamber 320 through only primary rotation, the scaffolding mechanism 1 is hinged below the elevator chamber 220. Since it can only be combined, there is a fear that interference with the landing chamber 320 and the like when the scaffolding mechanism 1 rotates.

On the contrary, when the scaffold mechanism 1 is provided in a link form, the scaffold can be inserted between the elevator chamber 220 and the landing chamber 320 much more easily without fear of interference as shown in FIG. 1.

Next, the elevator scaffolding device 100 includes a gear portion 2.

The gear unit 2 connects the elevator door 200 and the scaffolding mechanism 1 so that the scaffolding mechanism 1 rotates according to the opening and closing of the elevator door 200.

By way of example, in conjunction with opening the elevator door 200, the scaffolding mechanism 1 may be configured such that the scaffold mechanism 1 is positioned at a position that compensates for the gap between the elevator chamber 220 and the landing chamber 320. The opening and closing direction may be rotated upward with the rotation axis. On the contrary, in conjunction with the closing of the elevator door 200, the scaffolding mechanism 1 rotates the opening / closing direction of the elevator door 200 downward to the rotary shaft such that the scaffold placed between the elevator chamber 220 and the landing chamber 320 is recovered. Can be. As such, when the elevator door 200 is closed, the footrest is automatically recovered as shown in FIG. 1, so that the interference problem when the elevator moves up and down can be easily solved.

FIG. 2A is a conceptual view schematically illustrating a state in which the gear 2 of FIG. 1 is viewed from the right, and FIG. 2B is a state in which the gear 2 of FIG. 2A is viewed from above. Is a conceptual diagram schematically showing.

1 and 2, the gear unit 2 includes a linear gear 21, a compound gear 22 and 23, and a second bevel gear 24.

The linear gear 21 is interlocked with the elevator door 200. Specifically, the gear unit 2 may be provided with a connecting member 3 for connecting the elevator door 200 and the linear gear 21, the linear gear 21 through the connecting member 3, the elevator door. It may be linked with the 200.

For example, the connection member 3 may connect the elevator door 200 and the linear gear 21 to the elevator chamber 220 through a slot formed in the opening and closing direction of the elevator door 200. At this time, the position of the slot formed in the elevator chamber 220 may be the bottom surface of the groove into which the guide shoe 210 is inserted, as shown in FIG. 1, but is not limited thereto, and the elevator chamber 220 maintains sufficient rigidity. Preferably, the slot is formed at a position where it can be.

The compound gears 22 and 23 mesh with the linear gear 21 to convert the linear movement of the linear gear 21 into rotation, and the first bevel gear 23 interlocked with the rotation of the spur gear 22. ).

Referring to FIG. 1 in which the linear gear 21 and the spur gear 22 are schematically shown, a gear tooth is formed on the lower surface of the linear gear 21, and the spur gear 22 is formed on the circumferential surface thereof. Gear teeth are formed, and the linear gear 21 and the spur gear 22 can be fastened so that both gear teeth are engaged with each other. In addition, the first bevel gear 23 may be attached to one surface of the spur gear 22, and the rotation axis of the spur gear 22 and the first bevel gear 23 may be set to be the same.

As such, the linear movement of the linear gear 21 is converted into the rotational movement through the compound gears 22 and 23 coupled so that the spur gear 22 and the first bevel gear 23 have the same rotation axis. It is transmitted to the bevel gear 24.

Referring to FIGS. 1 and 2, the second bevel gear 24 meshes with the first bevel gear 23 to rotate the composite gears 22 and 23 as a rotation in which the opening and closing direction of the elevator door 200 is the rotation axis. It is converted to one end of the scaffolding mechanism 1 and rotates the scaffolding mechanism 1.

Here, the rotation using the opening and closing direction of the elevator door 200 as the rotation axis refers to the rotation using the front and rear direction as the rotation axis when viewed with reference to FIG. 1, and when viewed with reference to FIGS. 2A and 2B. It may mean a rotation having the left and right directions as the rotation axis.

More specifically, the second bevel gear 24 may be configured to support the scaffolding mechanism 1 so that the scaffolding mechanism 1 is disposed between the elevator chamber 220 and the landing chamber 320 in conjunction with opening the elevator door 200. The first direction to rotate the opening and closing direction of the elevator door 200 upward to the rotation axis, and to rotate the opening and closing direction of the elevator door 200 downward to the rotation axis in conjunction with closing the elevator door 200. It can be engaged with the bevel gear (23).

Meanwhile, one or more gear units 2 may be provided and connected to one or more ends of the plurality of links 12, respectively. For example, referring to FIG. 1, the gear part 2 may be provided as one to be connected to one end of an upper link among the plurality of 12.

Hereinafter, the effect of the present elevator scaffolding device 100 according to the salping configuration will be exemplarily described with reference to FIGS. 1 and 2.

First, the driving of the elevator scaffolding apparatus 100 when the elevator door 200 is opened is examined.

Referring to FIG. 2A, when the elevator door 200 is opened to the right, the linear gear 21 is also moved to the right in association with the elevator door 200. According to the linear movement of the linear gear 21, the spur gear 22 disposed to engage with the gear teeth (not shown) of the lower surface of the linear gear 21 is to be rotated in the clockwise direction. In addition, the first bevel gear 23 coupled to one surface of the spur gear 22 also rotates in the clockwise direction with respect to the same rotation axis as the spur gear 22, and the first bevel gear 23 and the rotation shaft When the second bevel gear 24 meshes with each other so as to be perpendicular to each other, when viewed from the left side using the left and right direction, which is the opening and closing direction of the elevator door 200, as seen from the left side (Fig. 1 is a view of the state of Fig. 2A from the left side). Im) rotate in counterclockwise direction.

Referring to FIG. 1, as the counterclockwise rotation of the second bevel gear 24 rotates, the scaffolding mechanism 1 rotates upward, and the scaffold 111 moves on the elevator chamber 220 and the landing. It is interposed between the yarns 320 to compensate for the spaced apart.

Next, the driving of the elevator scaffolding apparatus 100 when the elevator door 200 is closed is examined.

Referring to FIG. 2A, when the elevator door 200 is closed to the left side, the linear gear 21 is also moved to the left in association with the elevator door 200. According to the linear movement of the linear gear 21, the spur gear 22 arranged to engage with the gear teeth (not shown) of the lower surface of the linear gear 21 is rotated counterclockwise. In addition, the first bevel gear 23 coupled to one surface of the spur gear 22 also rotates in the counterclockwise direction with respect to the same rotation axis as the spur gear 22, and the first bevel gear 23 The second bevel gear 24 meshed with the rotating shafts perpendicular to each other is viewed from the left side using the left and right directions, which are the opening and closing directions of the elevator doors 200, as shown in FIG. 1 from the left. It is a rotational movement clockwise.

Referring to FIG. 1, as the second bevel gear 24 rotates clockwise, the scaffolding mechanism 1 rotates downward so as not to interfere when the elevator moves up and down, and the elevator chamber 220. And the footrest 111 interposed between the landing chamber chamber 320 is recovered again.

As described above, the elevator scaffold device 100 is a series of gears 21, 22, 23, so as to use the opening and closing direction movement (door opening and closing operation) of the elevator door 200 in place of a separate power source such as a drive motor. The scaffolding mechanism 1 can be rotated and conveyed by engaging 24).

That is, the elevator scaffolding device 100 includes the gear portion 2 between the elevator door 200 and the scaffolding mechanism 1, so that the linear driving force of the elevator door 200 is in the direction of rotation of the scaffolding mechanism 1. It can be switched to the corresponding rotational driving force, the footrest can be automatically interposed or recovered in accordance with the opening and closing of the elevator door 200 without a separate power source or control device.

As a result, there is no fear that the scaffolding device may malfunction due to an abnormality in a separate power source or control device, and thus, the elevator apparatus may be more stably operated while having a scaffolding device that is automatically interposed or recovered. Risk of accidents can be greatly reduced.

It will be understood by those of ordinary skill in the art that the foregoing description of the embodiments is for illustrative purposes and that those skilled in the art can easily modify the invention without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

100: elevator stool device
1: scaffolding mechanism 11: arm part
111: scaffold 12: link
2: gear portion 21: linear gear
22: spur gear 23: first bevel gear
22, 23: compound gear 24: second bevel gear
3: connecting member
200: elevator door 210: guide shoe
220: elevator thread 230: elevator thread support member
300: platform door 310: guide shoe
320: platform seal 330: platform seal support member

Claims (7)

In the elevator scaffolding device of the elevator, the elevator door is opened and closed in the horizontal direction,
A scaffolding mechanism having one end mounted on a lower side of the elevator chamber so as to be rotatable up and down with a rotation axis of the elevator door; And
It includes a gear unit for connecting the elevator door and the scaffold mechanism so that the scaffold mechanism is rotated in accordance with the opening and closing of the elevator door,
The scaffold mechanism includes a plurality of links, one end of which is hinged to the lower side of the elevator chamber; And an arm portion hinged to the other ends of the plurality of links and provided with a scaffold at an upper end thereof,
The plurality of links are provided with the same length, respectively fastened to the arm portion to achieve the same rotation angle,
The gear unit includes a linear gear interlocked with the elevator door; A compound gear having a spur gear that meshes with the linear gear and converts linear movement of the linear gear into rotation, and a first bevel gear that is linked with rotation of the spur gear; And a second bevel gear engaged with the first bevel gear to convert the rotation of the composite gear into a rotation having an opening and closing direction of the elevator door as a rotation axis, and engaged with one end of the plurality of links to rotate the scaffold mechanism. Including;
The second bevel gear may be configured to rotate the scaffolding mechanism upward and downward in a rotational axis of the elevator door so that the scaffold is disposed between the elevator chamber and the landing chamber in conjunction with opening the elevator door, and closing the elevator door. And the first bevel gear is engaged with the first bevel gear to rotate the scaffolding mechanism downward in the rotational axis of the elevator door. delete delete The method of claim 1,
The elevator scaffolding apparatus is provided with at least one gear portion and connected to one or more ends of each of the plurality of links. delete The method of claim 1,
The gear unit further comprises a connecting member for connecting the elevator door and the linear gear through a slot formed in the opening and closing direction of the elevator door in the elevator chamber. The method of claim 1,
The scaffold mechanism is mounted on the outer surface of the elevator chamber supporting member for supporting the elevator chamber.

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