KR101501161B1 - Smart Transforming Stairs for Wheel-typed Mobile Systems - Google Patents

Abstract

The present invention relates to smart stairs capable of easily being converted into a slope. The stairs comprises: a first step board having support shafts respectively mounted on both sides in the widthwise direction thereof; a second step board or an n^th step board including the support shaft installed on one side in the widthwise direction thereof and a connection member mounted on the support shaft of the first step board or a connection member mounted on a support shaft of a step board contiguous therewith; a rail installed to slide by having the end of a support shaft accommodated therein and arranged to have a predetermined angle; an angle converting device installed and interlocked with the first step board, and moving the first step board to make the second step board or the n^th step board be moved and rotated by the connection member and the support shaft in order to be converted into stairs or a slope, wherein the n^th step board has a support shaft fixated thereon to be converted into a step or a slope by a simple operation.

Description

{Smart Transforming Stairs for Wheel-typed Mobile Systems}

The present invention relates to a staircase, and more particularly, to a staircase that is used as a staircase in a normal situation and, when necessary, treads of stairs are interconnected to form a slope way, It is about possible smart stairs.

Generally, elevators, escalators or stairs are used to climb or descend a multi-story building, subway station or underpass. In particular, a lift is provided for a disabled person who is uncomfortable with his or her legs and can lift and lower a wheelchair on one side of a stairway. In addition, elevators have a high installation cost, malfunctions and maintenance difficulties, and it is not easy for a person with a disability to operate alone without the help of another person.

In addition, since the lift is installed only on relatively long steps and is not installed on the short stairs, it is inconvenient for a person with a wheelchair to be assisted by another person.

As a conventional technique for improving this, Korean Patent Publication No. 2011-0015281 has been described. As shown in FIG. 1, the technique includes a tread 100 having a flat surface 10 and a vertical surface 11, a hinge 12 interconnecting the plurality of treads 100, An upright member 14 coupled to the sliding plate 13 and guiding the horizontal movement of the sliding plate 13, an upright member 14 connected to the upright member 14 to horizontally move the upright member 14, And installed drive means (15). Here, the driving means 15 includes a conveying member 16 coupled with the upright member 14, a lead screw 17 on which the conveying member 16 is mounted, and a motor 18 for rotating the lead screw 17 Respectively.

Therefore, when the lead screw 17 is rotated by the motor 18, the conveying member 16 horizontally moves. When the upright member and the sliding plate 13 move horizontally together with the conveying member 16, the tread 100 The flat surface 10 and the vertical surface 11 are formed to be inclined.

However, in the structure in which the flat surface 10 and the vertical surface 11 are bent in a stepped shape or an expanded slope shape, a large downward force such as jumping in a stepped shape or a slanted shape or carrying a heavy load, There is a problem in that it is costly to repair or maintain it, and that there are too many components, which is complicated to install and there is also a lot of installation cost.

KR2011-0015281 10

In order to solve the above-described problems, the present invention has been devised to solve the above-mentioned problems, and it is an object of the present invention to provide a treadmill with a simple structure and supporting a large downward force by rotating the other side, And to provide a smart staircase capable of switching to a slope so as to reduce failure and maintenance costs.

According to an aspect of the present invention, there is provided a smart staircase comprising: a first tread plate having a support shaft mounted on both side portions in a widthwise direction of the staircase; A second tread plate to an n-th tread plate having a support shaft provided on one side in the width direction and a connection member mounted on a support shaft of the first tread plate or a support shaft of the adjacent tread plate; A rail disposed such that an end of the support shaft is received and slid and has a predetermined angle; And an angle changing device connected to the first tread so that the second tread through the nth tread is moved into a step or a ramp shape while being moved and rotated by the connecting member and the support shaft by moving the first tread, And the support shaft is fixed.

Here, the angle changing device includes a wire coupled at one end to the support shaft of the first tread plate, a power source installed to pull or loosen the wire, and a switch installed to operate the power source, wherein the first tread is moved .

A bearing or a roller is mounted on an end of the support shaft so that the support shaft end received in the rail can slide.

The second embodiment of the smart staircase according to the present invention includes a first tread plate having a support shaft mounted on both side portions in the width direction at a step, A second tread plate to an n-th tread plate provided with a support shaft provided on one side in the width direction and a connection member mounted on one support shaft of the first tread plate or a support shaft of an adjacent tread; A fixing bar installed at an end of the supporting shaft so as to have a predetermined angle; And an angle changing device for moving the fixed bar so that the first to n-th steps are moved and rotated by the connecting member and the supporting shaft so as to be converted into a step or a ramp shape, And is fixed.

Here, the angle changing device includes a chain to which a fixed bar is fixed, a main gear and an auxiliary gear provided so as to form an infinite locus of the chain, a power source for operating the main gear, and a switch installed to operate the power source, And the first tread plate moves.

The main gear and the auxiliary gear are constituted by one main gear and two auxiliary gears, and the chain is provided so as to form an infinite trajectory of a triangular shape.

As described above, according to the present invention, there is an effect that a step can be switched to a step or a ramp shape by a simple operation by turning the other side portion of the tread plate with the axis as the axis, and forming a ramp while mutually adjoining tread plates .

Further, since the axis portion which is the axis of the tread plate is firmly supported and the turning portion of the tread plate is firmly connected to the axis portion of the adjacent tread, the effect of being able to sufficiently support the large downward force in the form of a step or a ramp have.

In the step shape, part of the turning part of the tread plate and part of the shaft part of the adjacent tread plate are overlapped in a planar shape in the step shape, and the turning part of the tread plate and the axis part of the adjacent tread plate are joined to form a ramp, The treads or slopes are converted into a stepped shape by supporting one treads in a mutually connected manner, so that the maintenance cost can be reduced while the failure rate is low due to a simple structure, and the treads can be installed at factories and marts carrying heavy loads.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, It should not be interpreted.
Figure 1 is a side view of a conventional ramp changeable step.
2 is a perspective view schematically showing a smart step that can be switched to a ramp according to the first embodiment of the present invention.
FIG. 3 is a perspective view showing a case where the smart step of FIG. 2 is a ramp.
Fig. 4 is a side view of the coupling relationship between treads when the smart step of Fig. 2 is changed from a stepped shape to a ramped shape.
Fig. 5 is a plan view of Fig. 2. Fig.
FIG. 6 is a perspective view schematically showing a smart staircase capable of switching to a slope according to a second embodiment of the present invention.
FIG. 7 is a perspective view showing a case where the smart step of FIG. 6 is a ramp.
8 is a side view illustrating the coupling relationship between treads when the smart step of FIG. 6 is changed from a stepped shape to a ramped shape.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the detailed description of known functions and configurations incorporated herein will be omitted when it may unnecessarily obscure the subject matter of the present invention.

≪ Embodiment 1 >

FIG. 2 is a perspective view schematically showing a smart staircase capable of switching to a slope according to a first embodiment of the present invention, FIG. 3 is a perspective view showing a case where the smart staircase of FIG. Fig. 5 is a plan view of Fig. 2; Fig. 5 is a side view of Fig. 2; Fig. 5 is a plan view of Fig. 2; Fig.

As shown in FIGS. 2 to 5, the smart step that can be switched to the inclination according to the first embodiment of the present invention includes a tread, a rail 160 as an angle adjusting member, and an angle changing device 170.

The tread plate is manufactured to have a width and a length enough for the user to climb and is made up of a first tread 100 on the top side and a second tread plate 110 to n-1 tread plate 120, And a lower n-th step 130. The supporting shaft 140 and the connecting member 150 are mounted on these treads.

Hereinafter, one side of the tread plate on which the support shaft 140 is mounted will be referred to as a shaft portion, and the other side of the tread provided with the connecting member 150 will be referred to as a " turning portion ". In FIG. 5, in the case of the second treading plate 110 to the n-th treading plate 130, the axis portion is lower in each tread, and the turning portion is in the upper side. In addition, in the case of the first tread plate 100, since the support shaft is mounted on the both side portions, both side portions become 'axis portions'.

In this case, the 'axis portion' is connected to both sides of the rail 160, and when a force is applied from the wire 171, the rails 160 for the first tread 100 and the n-1 tread 120 And is fixed to the rail 160 in the case of the n-th step 130. In addition, when the attraction force from the wire 171 is applied or loosened, the 'turning part' pulls or loosens the second treading plate 110 to the n-th stepping plate 130 while the first treading plate 100 moves, The turning portions of the second treading plate 110 to the n-th treading plate 130 pivot about the axis. Through the movement of these shaft and turning parts, they are converted into steps or ramps.

First, in the case of the first tread plate 100, as shown in FIG. 5, the support shaft 140 is mounted on both sides of the shaft without passing through the shaft portion and the turning portion, And both ends of these support shafts 140 are fastened to the rails 160 so as to move along the rails 160, respectively. At this time, a wire 171 is fastened to the supporting shaft 140 mounted on the upper part of the tread plate on the side of the lid 101 and a connecting member 150 of the second tread plate 110 is fastened to the supporting shaft 140 attached to the lower part. ). Accordingly, the first tread plate 100 is installed to slide the upper surface of the lid 101 because the two support shafts 140 move along the rails 160 by the attraction force or the repulsive force of the wires 171. Here, the first tread plate 100 may be installed in the lid 101 to be received and inserted therein.

The connecting member 150 is fastened to the upper portion of the second tread plate 110 to the n-1 tread plate 120, and the supporting shaft 140 is fastened to the lower portion of the second tread plate 110 to the n-1 tread plate 120. Of course, both ends of the support shaft 140 are fastened to the rails 160 to move along the rails 160, respectively. Further, the connecting member 150 is fastened to the neighboring support shaft 140 as shown in Figs. In order to allow the support shaft 140 of the first tread 100 to the n-1 tread 120 to slide along the rail 160, a sliding member (not shown) including bearings or rollers is mounted on the end of the support shaft 140 141 are mounted.

The connecting member 150 is fastened to the upper portion of the n-th step 130, and the supporting shaft 140 is fastened to the lower portion of the n-th step 130. At this time, both ends of the support shaft 140 are fixed so as not to move and are fastened to the rails 160. Of course, the support shaft 140 may be fixed to a member or portion other than the rail 160. [ Also, the connecting member 150 is fastened to the support shaft 140 of the neighboring n-1-th tread 120.

As shown in FIG. 4, the first tread 100 to the nth tread 130 having such a structure are arranged so that a portion of the adjacent tread is overlapped with each other when the tread is a step, do. Here, when the treads are stepped, the portions connected by the connecting member 150 on the side surface may be arranged to be in contact with each other, or may be disposed apart from each other. Which may vary depending on the length of the connecting member 150.

As the angle adjusting member, the rails 160 are disposed on both sides of the tread, and the ends of the support shaft 140 mounted on the first tread 100 to the (n-1) -th tread 120 are slidably engaged, And the end of the support shaft of the tread 130 is fixed. Here, the rail 160 is preferably formed with a groove that can receive the sliding member 141 to guide the movement of the sliding member 141 stably. At this time, the angle at which the rails 160 are installed is the angle of the ramp.

The angle changing device 170 includes a wire 171 so that the first tread 100 can be pulled or loosely released and a power source 172 installed to pull or unwind the wire 171 and a power source 172, And a switch 173 for operating the switch 173.

2 and 5, one end of the wire 171 is pulled up or pulled out by the operation of the power source 172 so that the first tread plate 100 is pulled or released, (140), and the other end is connected to the power source (172). A pair of wires 171 are mounted on the support shafts 140 on both sides of the first tread 100 to increase the reliability of the movement of the first tread 100, The ends may be installed in one or two power sources 172. At this time, if necessary, a roller 171a for changing the direction of the wire may be provided. Here, the wire 171 is one example of a common member capable of pulling or pushing the first tread 100, as another example, a shaft of a cylinder may be used, and a length of the lead- Can be replaced with various members such as a bar, a chain or a belt that can pull or push the tread 100.

The power source 172 and the switch 173 are installed to draw or insert the wire 171 so as to move the first tread 100 forward and backward. That is, when the switch 173 is operated, the power source 172 operates to pull or release the wire 171.

<Operation>

First, when the power source 172 is operated by operating the switch 173 in a stepwise manner, the first tread 100 is pulled out through the wire 171. The second tread plate 110 to the n-th tread plate 130 are pulled while the first tread 100 moves and the second tread plate 110 to the (n-1) The connecting member 150 is pulled up while moving upward along the rail 160 to turn the turning part of the tread plate upward to form a ramp. At this time, the n-th step 130 is rotated in a state where the support shaft 140 is fixed, and the ramp is completed.

When the power source 172 is operated by operating the switch 173 in the form of a ramp, the attraction force of the wire 171 is loosened and the first tread 100 returns to its original position. Then, the second tread plate 110 to the n-th tread plate 120 are stepped down by turning the swivel part downward by the weight of the support shaft 140 moving downward along the rail 160. At this time, the support shaft 140 of the n-th step 130 is fixed, and the turning part is turned downward to complete the step.

&Lt; Embodiment 2 >

6 is a perspective view schematically showing a smart staircase capable of switching to a slope according to a second embodiment of the present invention, FIG. 7 is a perspective view showing a case where the smart staircase of FIG. 6 is a slope, When the smart staircase is converted from a staircase shape to a ramp shape, the coupling relationship between the treads is a side view. The description of the smart stairs of the second embodiment shown in Figs. 6 to 8 is the same as that of the smart stairs of the first embodiment, and the same reference numerals are given to the same constituent elements having the same function, and the description thereof is simplified as necessary.

6 to 8, the smart staircase capable of switching to a slope according to the second embodiment of the present invention includes a tread, a fixing bar 180, and an angle changing device 170. As shown in FIG.

The treads are of the same or similar shape as the treads of the first embodiment, and various kinds of ordinary ones are applied, if necessary. The tread plate includes the first tread 100 to the nth tread plate 130 and the structure in which the support shaft 140 and the coupling member 150 are mounted on each tread is similar to or similar to that of the first embodiment. However, since the length of the connecting member 150 is longer than that of the first embodiment, a gap is formed between adjacent treads in a stepped shape as shown in FIG. Hereinafter, the same or similar shapes as those of the first embodiment in the tread are briefly described as necessary, and the different structures will be described in detail.

In the case of the first tread plate 100, the upper side of the lid 101 is placed on the lid 101 with a free end, and both ends of the lower side support shaft 140 are fastened to the fixing bar 180. Here, the first tread plate 100 is moved upward or backward by pulling the first tread 100 while the support shaft 140 is moved upward or backward by the fixing bar 180, 101). The first tread 100 in the second embodiment does not have a separate turning part.

Both end portions of the support shafts 140 of the second treading plate 110 to the (n-1) th treading plate 120 are fastened to the fixing bar 180. The support shaft 140 is moved upward or backward by the fixing bar 180 to pull up the second tread plate 110 to the (n-1) -th tread plate 120 to move the shaft upward, Thereby turning the turning part. So that the steps of the second treading plate 110 to the (n-1) th treading plate 120 are formed as steps or slopes.

Both ends of the support shaft 140 of the n-th step 130 are fastened to the fixing bar 180 so as to be fixed. Of course, the supporting shaft of the n-th step 130 can be fixed to a member or a part other than the fixing bar 180.

The fixed bar 180 is a member for replacing the function of the rail 160 of the first embodiment and is disposed on each side of the tread plate and one side is mounted on the chain 174 and the other side is mounted on the ground, . The end of the support shaft 140 attached to the first tread 100 is fastened to an intermediate portion of the fastening bar 180 so that when the fastening bar 180 is moved, The second tread plate 110 to the n-th tread plate 130 are moved and turned by turning the tread 100 to convert the treads into a step or a ramp shape. This fixing bar 180 is manufactured such that the multi-step single pieces are inserted or withdrawn in a sliding manner. This is because when one side of the fixing bar 180 is pulled or returned by the chain 174, To be increased or returned.

The angle changing device 170 is a device for pulling or retracting the fixing bar 180 and is provided with a chain 174, a main gear 175 and an auxiliary gear 176, a power source 172 (see FIG. 2), and a switch 173 , See Fig. 2).

First, the chain 174 is installed to form an infinite locus by the main gear 175 and the auxiliary gear 176, and the fixing bar 180 is fastened to a part of the chain 174. Thus, the chain 174 moves and moves the fixing bar 180 upward or downward. It is also preferable that the chains 174 are formed in pairs so as to be respectively installed on the fixing bars 180 provided on both sides of the tread. Only one portion of the upper portion of the fixing bar 180 may be fastened to the chain 174, or a plurality of portions may be fastened along the length of the fastening bar 180.

The main gear 175 and the auxiliary gear 176 are installed so that the chain 174 can reciprocate in an infinite locus. The main gear 175 and the auxiliary gear 176 are constituted by one main gear 175 and two auxiliary gears 176 as shown in FIG. 6 so that the chain 174 is installed so as to form an almost triangular endless track Or may be composed of one main gear 175 and an auxiliary gear 176. The main gear 175 and the auxiliary gear 176 are arranged in pairs on the chain 174 disposed on both sides of the tread plate. And is set to operate by the driving of the gear 175.

The power source 172 and the switch 173 are the same components having the same function as those of the first embodiment, and only the difference in operating the main gear 175 is present. The power source 172 and the switch 173 operate the main gear 175 so that the chain 174 reciprocates while the fixed bar 180 is moved so that the treads can be converted into a stepped or inclined shape, And is installed in the gear 175. Of course, the power source 172 may be installed in each of the main gears 175 on both sides.

<Operation>

First, when the power source 172 is operated by operating the switch 173 in the form of a step, the main gear 175 and the auxiliary gear 176 operate and the chain 174 rotates in one direction, Move. The second tread plate 110 to the n-th tread plate 130 are pulled while the first tread 100 is moved and the second tread plate 110 to the (n-1) -th tread plate 120 are moved upward, (150) is pulled to turn the turning part of the tread plate upward to form a ramp. At this time, the n-th step 130 is rotated in a state where the support shaft 140 is fixed, and the ramp is completed. Here, the holding in a fixed state after the chain 174 is moved can be controlled by controlling the power source 172 to prevent the chain 174 from moving, and the chain 174 can be fixed by a conventional technique, (180).

When the power source 172 is operated by operating the switch 173 in the form of a ramp, the main gear 175 and the auxiliary gear 176 operate and the chain 174 rotates in the opposite direction, Move down. The second tread plate 110 to the n-th tread plate 130 are pushed while the first tread 100 returns to the original position and the second tread plate 110 to the (n-1) -th tread 120 are moved downward And the step is formed by turning the turning part downward due to its own weight. At this time, the n-th step 130 is pivoted downward in a state where the support shaft is fixed, and the step is completed.

As described above, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive. 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: First tread
101: Cover
110: second tread
120: n-1 th step
130: nth step
140: Support shaft
141: Sliding member
150:
160: rail
170: Angle switching device
171: Wire
172: Power source
173: Switch
174: Chain
175: Main gear
176: Auxiliary gear
180: Fixed bar.

Claims (6)

In the stairs,
A first tread plate 100 provided with support shafts 140 mounted on both side portions in the width direction;
And a connecting member 150 mounted on a supporting shaft 140 of the first tread plate 100 or a supporting shaft 140 of a neighboring tread plate, (110) to an n-th step (130);
A rail 160 installed at an end of the support shaft 140 so as to be slidable and arranged to have a predetermined angle;
The first tread plate 100 is moved so that the second tread plate 110 to the nth tread plate 130 are moved or turned by the connecting member 150 and the support shaft 140 And an angle changing device (170) installed in association with the first tread plate (100)
Wherein the n-th step (130) is fixed to the support shaft (140).
The method according to claim 1,
The angle changing device 170 includes a wire 171 having one end connected to the support shaft 140 of the first tread 100, a power source 172 installed to pull or pull the wire 171, And a switch (173) provided to operate the power source (172)
And the first tread plate (100) is moved by the wire (171).
The method according to claim 1,
Wherein a sliding member (141) including a bearing or a roller is mounted on an end of the support shaft (140) so that an end of the support shaft (140) received in the rail (160) .
In the stairs,
A first tread plate 100 provided with support shafts 140 mounted on both side portions in the width direction;
A supporting shaft 140 provided at one side in the width direction and a connecting member 150 mounted to a supporting shaft 140 of the first tread 100 or a supporting shaft 140 of a neighboring tread, A tread 110 to an n-th tread 130;
A fixing bar 180 installed at an end of the support shaft 140 and having a predetermined angle;
The fixing bar 180 is moved so that the first tread 100 to the nth tread 130 are moved and rotated by the connecting member 150 and the supporting shaft 140 so that the fixing And an angle changing device (170) installed to move the bar (180)
Wherein the n-th step (130) is fixed to the support shaft (140).
5. The method of claim 4,
The angle changing device 170 includes a chain 174 to which the fixing bar 180 is fixed and a main gear 175 and an auxiliary gear 176 which are installed so that the chain 174 forms an infinite locus, A power source 172 for operating the power source 172 and a switch 173 for operating the power source 172,
Wherein the fixed bar (180) and the first tread plate (100) are moved by the operation of the chain (174).
6. The method of claim 5,
Wherein the main gear 175 and the auxiliary gear 176 are constituted by one main gear 175 and two auxiliary gears 176 so that the chain 174 is formed to have an infinite trajectory in a triangular shape. Smart stairs that can be switched.

Images