KR102517284B1 - Stair lift apparatus - Google Patents

Abstract

Disclosed is a stair lift device that is normally used as a staircase and can be transformed into a lift device such as a wheelchair. The stair lift device according to the present invention is installed at the boundary between the first floor and the second floor higher than the first floor, and a plurality of scaffolding members form a stair position and a horizontal plane that can be moved up and down. A variable stair assembly that can be transformed and used as a staircase or lift while being transformed into a lifting position; It is rotatably installed at the lower end of the end farthest from the second floor of the variable stair assembly, rotates inside the variable stair assembly when the variable stair assembly is in the form of a staircase, and is located on the inside of the variable stair assembly, and at the elevation position, the horizontal surface is on the first floor. a lamp that is rotated outwardly of the variable stair assembly when positioned, maintains a state in close contact with the first floor, and maintains an upright state at a position where the horizontal plane is higher than the first floor; and a control unit controlling a driving motor for rotating the lamp.

Description

Stair lift apparatus {Stair lift apparatus}

The present invention relates to a stair lift device that is normally used as a staircase and can be transformed into a lift device such as a wheelchair.

In general, stairs are constructed in places where entrances and exits to the inside of a building are formed, or in physical education departments, and are also called stairs. It is a stair-type passage constructed between the ground and the ground.

These stairs are mainly used by the general public, but the elderly, disabled people in wheelchairs, or strollers cannot use them, so in order to solve this, it is legally compulsory to construct a ramp. The ramp has a step difference of 1m between the two floors In this case, the length of the ramp was formed to be more than 12m, and the total length of the ramp should be constructed at 15m considering the crossing and horizontal sections, so the construction cost is high and it occupies a lot of space, so it is not effective.

Therefore, these ramps are easy to install in apartments or shopping malls where the space around the stairs is wide, but the stage, commercial facilities, religious facilities, etc. are very narrow and impossible to install or are reluctant to install due to fear of damaging the aesthetics. occurred frequently.

In addition, a platform with a higher ground clearance is provided in a school pulpit or other place for speeches or meetings, but in this case, a stair structure is required for people to go up to the pulpit. Usually, in this case, a simple staircase is installed because the height is not very high, but it is impossible for the disabled's wheelchair to pass through to go up to the podium, and it is very inconvenient to go up and down with the help of people around.

Patent Registration No. 10-0638176

An object of the present invention, to solve these problems, is to provide a stair lift device that can be used in the form of stairs in normal times and transformed into a lift form when moving a wheelchair or the like to safely lift a wheelchair.

As a specific means for achieving the above object, the present invention is installed at the boundary between the first floor and the second floor located higher than the first floor, and a plurality of scaffolding members form a staircase shape, and the stair position and elevation A variable stair assembly that can be transformed and used as a staircase or lift while being transformed into a lifting position forming a possible horizontal plane shape; It is rotatably installed at the lower end of the farthest end from the second floor of the variable stair assembly, rotates into the variable stair assembly when the variable stair assembly is in the form of a staircase, and is located on the inside of the variable stair assembly, and the horizontal surface is on the first floor at the elevation position a lamp that is rotated outwardly of the variable stair assembly when positioned, maintains a state in close contact with the first floor, and maintains an upright state at a position where the horizontal plane is higher than the first floor; and a control unit controlling a driving motor for rotating the lamp.

At this time, before the ramp is rotated inward and outward of the variable stair assembly, the control unit controls the ramp and the variable stair assembly so that the ramp is rotated in a state in which the ramp is elevated above a predetermined height from the first floor among the plurality of foothold members. can do.

At this time, the variable stair assembly includes a pair of first columns composed of an inner post and an outer post installed to be able to move up and down with respect to the inner post; a pair of second columns installed at a position closer to the boundary than the pair of first columns and consisting of an inner post and an outer post installed to be able to move up and down with respect to the inner post; upper and lower supports respectively connecting the pair of first and second columns at upper and lower portions; and a plurality of stair members having an upper end rotatably connected to an upper support of the upper and lower supports, a footrest formed at a lower end, and the footrest rotatably connected to the lower support of the upper and lower supports.

In this case, a guide installed between the boundary and the pair of second columns to guide the lifting of the pair of second columns may be included.

At this time, a detection sensor capable of detecting the passage of an object may be installed in the pair of first columns and the guide.

In this case, wheels are installed at lower ends of the pair of first columns, and the pair of first columns may be movably supported on the first layer by the wheels.

In this case, the lamp may be rotatably installed at the lower end of the pair of first columns.

As described above, the present invention has the following effects.

(1) In the present invention, when the ramp is normally located inside the stairs and operates as an elevator, it is rotated to be located in front of the stairs so that the wheelchair can be easily moved.

(2) The present invention can be used as a staircase in normal times with one-time control, and can be modified to be used as a wheelchair lifting device.

1 is a perspective view of a state in which a stair lift device according to the present invention is used as a staircase.
2 and 3 are perspective views in which the stair lift device according to the present invention is transformed into a lifting device and used.
4 to 9 are side views sequentially showing operations of the stair lift device according to the present invention being transformed into a stair position and a lifting position.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. This invention may be embodied in many different forms and is not limited to the embodiments set forth herein. In order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

In this specification, terms such as "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof. In addition, when a part such as a layer, film, region, plate, etc. is said to be “on” another part, this includes not only the case where it is “directly on” the other part, but also the case where there is another part in the middle. Conversely, when a part such as a layer, film, region, plate, etc. is said to be "under" another part, this includes not only the case where it is "directly below" the other part, but also the case where another part exists in the middle.

Hereinafter, a stair lift device according to an embodiment of the present invention will be described in more detail with reference to the drawings.

The stair lift device 10 according to the present invention includes a variable stair assembly 20, a ramp 30, and a controller (not shown).

Referring to FIGS. 1 to 9, the variable stair assembly 10 is installed at the boundary between the first floor 1 and the second floor 2 located higher than the first floor 1, and As the dog's footrest member 25b is transformed into a stair position forming a stair shape and a lifting position forming an ascending horizontal surface shape, it may be transformed and used as a staircase or a lift.

In this case, the first floor 1 may mean the floor of a building, and the second floor 2 may mean a place higher than the first floor, such as a platform. In addition, the boundary is a boundary between the first floor 1 and the second floor 2, and the stair lift device 10 according to the present invention is installed at the boundary but installed on the first floor 1 to move to the stair position and the lifting position. can be transformative.

1 to 9, the ramp 30 is rotatably installed at the lower end of the farthest end from the second floor 2 of the variable stair assembly 20, and the variable stair assembly 20 is When the stairs are in the position, they are rotated to the inside of the variable staircase assembly 20, and when the horizontal plane is located on the first floor 1 in the lifting position, they are rotated to the outside of the variable stairs assembly 20 to move to the first floor 1. ) and maintain a state in which the horizontal plane is erected vertically at a position higher than the first layer (1).

The ramp 30 is rotatably installed at the lower end of the front (farthest from the boundary) of the variable stair assembly 20, rotates to the inside of the variable stair assembly 20 when it is in the stair position, and is in the first lifting position. In the floor (1), it is positioned horizontally in front of the variable stair assembly 20 so that the wheelchair 100 is guided to go up the aisle where the stairs are flatly deformed. In addition, when the wheelchair 100 enters the aisle, the ramp is rotated for safety and adheres to a vertically erected position. Of course, these operations are controlled by the control unit.

The control unit controls the position of the lamp 30 by controlling a driving motor that rotates the lamp 30 . The controller controls the operation of the first column 21 and the second column 22 of the variable stair assembly 20 in addition to the driving motor for rotating the lamp 30 .

At this time, before the ramp 30 is rotated in and out of the variable stair assembly 20, the ramp 30 in a state of being elevated from the first layer 1 to a predetermined height or higher among the plurality of scaffolding members 22b ) may be controlled by the control unit to rotate the ramp 30 and the variable stair assembly 20 .

At this time, referring to FIGS. 1 to 9 , the variable stair assembly 20 includes a pair of inner posts 21b and outer posts 21a installed to be able to move up and down with respect to the inner posts 21b. One column 21 and an outer post 22a installed at a position closer to the boundary than the pair of first columns 21, and installed to be able to move up and down with respect to the inner post 22b and the inner post 22b. A pair of second columns 22 made of ), upper and lower supports 23 and 24 connecting the pair of first columns 21 and second columns 22 in parallel at upper and lower portions, respectively, and the upper and lower portions An upper end of the supports 23 and 24 is rotatably connected to the upper support 23, and a scaffolding member 25b is formed at the lower end, and the scaffolding member 25b is the lower support of the upper and lower supports 23 and 24. It may include a plurality of stair members 25 rotatably connected to (24).

At this time, it may include a pair of guides 26 installed between the boundary and the pair of second columns 22 to guide the lifting of the pair of second columns 22 . The pair of guides 26 respectively support the pair of second columns 22 on both sides, and between the pair of guides 26, a fixing protrudes from the second layer 2 and is supported. A support plate 3 may be further included. Since the fixed support plate 3 protrudes from the end of the second layer 2 and is fixed, its position is fixed.

At this time, a detection sensor 31 capable of detecting the passage of an object may be installed in the pair of first columns 21 and the guide 26 . That is, a detection sensor 31 is installed in the first column 21 to determine whether an object passes or not, and a detection sensor 31 capable of detecting whether an object passes is also installed in the guide 26. . At this time, as the detection sensor 31, a photosensor may be applied.

At this time, wheels 33 are installed at the lower ends of the pair of first columns 21, and the pair of first columns 21 move on the first layer 1 by the wheels 33. can possibly be supported. Since the second column 22 is supported and guided by the guide 26, it is configured to allow movement in the vertical direction but not move in the horizontal direction. Here, when the variable stair assembly 20 is transformed into the stair position and the lifting position, the distance between the first column 21 and the second column 22 is changed, and the first column 21 moves in the horizontal direction. absorb displacement. Therefore, wheels 33 in the form of rollers are installed at the lower end of the outer post 21a of the first column 21 .

At this time, the pair of first and second columns 21 and 21 are composed of inner posts 21b and 22b and outer posts 21a and 22a, and the outer posts 21a and 21b are inner posts ( It is installed so that it can be lifted with respect to 21b and 22b). A combination of a motor and a rack and pinion gear may be applied to lift the outer posts 21a and 22a.

At this time, the upper support 23 and the lower support 24 are rotatably installed at the upper and lower ends of the outer posts 21a and 22a of the first column 21 and the second column 22, respectively.

At this time, the stair member 25 is composed of a vertical connecting rod 25a and a scaffolding member 25b, and the vertical linking rod 25a is fixed to the scaffolding member 25b in a vertically erected state. In that state, the upper end of the vertical linkage 25a is rotatably connected to the upper support 23, and the center of the scaffolding member 25b is rotatably connected to the lower support 24 as well. Therefore, the upper and lower supports 23 and 24 may be tilted horizontally or at a certain angle while always maintaining a parallel state, but the vertical post 25a always maintains a vertical state and the scaffolding member 25b always maintains a horizontal state. will do

At this time, the lamp 30 may be rotatably installed at the lower end of the pair of first columns 21 . If the lamp 30 is to be rotated by a driving motor, since the driving motor is controlled by the controller, the controller completely controls the rotational position of the lamp 30 .

Referring to Figure 1, it shows a state in which the stair lift device 10 according to the present invention is used as a stair. As shown, it is installed at the boundary between the first floor 1 and the second floor 2, and the variable stair assembly 20 is in a state of being deformed to the stair position. In this state, ordinary people will be able to go up and down to the second floor (2), which is the pulpit. At this time, the lamp 30 is in a state of being rotated to the inside of the variable stair assembly 20, and is not exposed to the outside and is concealed.

Referring to FIGS. 2 and 3 , a state in which the stair lift device 10 according to the present invention is used as a lift is shown. As shown, the variable stair assembly 20 is deformed to the lifting position, FIG. 2 shows a state in which the lifting passage is located at the bottom of the first floor 1, and FIG. ) is shown to be located at the same height. At this time, the ramp 30 is rotated to the outside of the variable stair assembly 20 in FIG. 2 to guide the wheels of the wheelchair 100 to easily enter and exit the passage, and in FIG. 3 it is erected vertically and serves as a safety handrail. will perform

Referring to Figures 4 to 9, the operating state of the stair lift device 10 according to the present invention is shown in order.

Referring to FIG. 4, it shows a case where the stair lift device 10 according to the present invention is normally in a stair position. The outer posts 21a of the first pair of front columns 21 are at the lowest position, and the outer posts 22a of the second column 22 are at the highest position. Therefore, the upper and lower supports 23 and 24 maintain an inclined state of about 35 degrees, and in the plurality of stair members 25, each step member 25b is at a different height to form a staircase. At this time, the ramp 30 is rotated to the inside of the variable stair assembly 20.

Referring to FIG. 5 , a state in which the stair lift device 10 according to the present invention starts to be transformed into an elevation position in order to pass a wheelchair 100 or the like is shown. 4, the outer post 21a of the first column 21 starts to rise relative to the inner post 21b, and when it rises to a certain extent, the ramp 30 is rotated to be in a horizontal state. Of course, this operation will be performed by the control unit.

Referring to FIG. 6, both the outer posts 21a and 22a of the first column 21 and the second column 22 descend to the lowest position, so that the footrest members 25b of the stair member 25 move to the first floor ( 1) Attached to the floor, they are arranged horizontally in a row to form a wheelchair passage. In that state, the wheelchair 100 enters the passage by the guide 26 of the ramp 30. Of course, at this time, it is detected that the wheelchair 100 enters the passage by the photosensor 31, and the control unit receives this signal.

Referring to FIG. 7 , when a signal is received from the photosensor 31 in the same state as in FIG. 6 , the control unit rotates the lamp 30 so that it is erected vertically. At this time, the ramp 30 serves as a safety handrail.

Referring to FIG. 8 , in the state shown in FIG. 7 , the control unit controls the outer posts 21a and 22a of the first and second columns 21 and 22 to rise to the height of the second layer 2 . Then, the wheelchair 100 will be able to move from the hoistway to the second floor 2 . At this time, a detection signal through which the wheelchair 100 passes by the photosensor 31 will be received by the controller.

When the wheelchair 100 comes down from the platform, the above operation may be performed in reverse.

Referring to FIG. 9, an example of a process in which the stair lift device 10 according to the present invention is transformed from a lifting position to a stair position is shown. As shown, the ramp 30 rotates to the inside of the variable stair assembly 20, and only the outer post 21a of the first column 21 descends and returns to the original stair position.

On the other hand, it may be installed along with a control panel for manually or automatically controlling these series of operations.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments presented herein, and those skilled in the art who understand the spirit of the present invention may add elements within the scope of the same spirit. However, other embodiments can be easily proposed by means of changes, deletions, additions, etc., but these will also fall within the scope of the present invention.

1: first layer
2: second layer 3: fixed support plate
10: stair lift device 20: variable stair assembly
21: first column 21a, 22a: outer post
21b, 22b: inner post 22: second column
23: upper support 24: lower support
25: stair member 25a: vertical connecting rod
25b: scaffolding member 30: ramp
31: photosensor 33: wheel

Claims (7)

It is installed at the boundary between the first floor and the second floor at a position higher than the first floor, and a plurality of scaffolding members are transformed into a stair position forming a stair form and a lifting position forming an elevating horizontal surface form while stair or lift Adjustable stair assembly that can be transformed and used as;
It is rotatably installed at the lower end of the end farthest from the second floor of the variable stair assembly, rotates inside the variable stair assembly when the variable stair assembly is in the form of a staircase, and is located on the inside of the variable stair assembly, and at the elevation position, the horizontal surface is on the first floor. a lamp that is rotated outwardly of the variable stair assembly when positioned, maintains a state in close contact with the first floor, and maintains an upright state at a position where the horizontal plane is higher than the first floor; and
a controller for controlling a driving motor for rotating the lamp;
including,
Before the ramp is rotated in and out of the variable stair assembly, the control unit controls the ramp and the variable stair assembly so that the ramp is rotated in a state in which the ramp is elevated above a predetermined height from the first floor among the plurality of scaffolding members,
The variable stair assembly,
a pair of first columns composed of an inner post and an outer post movably installed with respect to the inner post;
a pair of second columns installed at a position closer to the boundary than the pair of first columns and consisting of an inner post and an outer post installed to be able to move up and down with respect to the inner post;
upper and lower supports respectively connecting the pair of first and second columns at upper and lower portions;
An upper end of the upper and lower supports is rotatably connected to an upper support, a footrest is formed at a lower end, and the footrest includes a plurality of stair members rotatably connected to the lower support of the upper and lower supports; and
A guide installed between the boundary and the pair of second columns to guide the lifting of the pair of second columns,
A sensor for detecting the passing of an object is installed in the pair of first columns and the guide, the stair lift device. delete delete delete delete According to claim 1,
A stair lift device, wherein wheels are installed at lower ends of the pair of first columns, and the pair of first columns are movably supported on the first floor by the wheels. delete

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