KR101128283B1 - A Folding Type Stairs - Google Patents

Abstract

The present invention relates to a folding staircase, the configuration of which comprises a first link formed in the shape of a bar, a second link formed in the shape of a bar, and one end of each of the first link and the second link are extended to each other. A connecting hinge rotatably coupled to be folded downward in parallel, and a connecting bar rotatably coupled at one end between the first link and the second link at the connecting hinge; And a plurality of plate-shaped scaffolding parts rotatably coupled to the other end of the connecting bar, wherein the first link includes a first-first link formed in a bar shape and a bar formed in a bar shape. 1-2 links; And, one end of the 1-1 link and the 1-2 link is unfolded so as to extend to each other and foldable hinge is rotatably coupled to fold downward; is configured to include, the second link is formed in a bar shape A 2-1 link to be formed, and a 2-2 link formed in a bar shape; And a folding hinge rotatably coupled to one end of the second link and the second link so that the ends of the second link and the second link are extended to each other. The first link, the second link, and the second link are connected to each other. The hinge, the connecting bar and the footrest are formed in pairs so as to be symmetrical about the footrest, and a plurality of repetitions are formed, and the footrests may be folded in a bellows shape.

 Connecting hinge, folding hinge, footrest

Description

Folding Stairs {A Folding Type Stairs}

The present invention relates to a foldable staircase, and more particularly, to a foldable staircase that can be easily installed when the operator moves the position of different heights.

In general, if the worker wants to move to a position where the height is different, the stairs will be installed. The stairs are to be installed in the temporary design stage for a certain period of work, such as construction sites.

The temporary design stage is made by using a single pipe pipe in advance to the fault portion, and the temporary design stages are assembled and installed one by one according to the frame length.

However, the above-described prior art has the following problems.

In the case of using the stairs intermittently, there is a problem that the stairs always occupy a lot of space because there is no method stored when not used.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, to provide a folding staircase that can be stored in a minimal place simply when not using the staircase.

According to a feature of the present invention for achieving the above object, the folding staircase of the present invention, the first link is formed in a bar shape, the second link is formed in a bar shape, each of the first link and the One end of the second link is extended so as to extend to each other, the connecting hinge is rotatably coupled so as to fold in parallel downward, and the connecting bar is rotatably coupled between the first link and the second link in the connecting hinge ; And a plurality of plate-shaped scaffolding parts rotatably coupled to the other end of the connecting bar, wherein the first link includes a first-first link formed in a bar shape and a bar formed in a bar shape. 1-2 links; And, one end of the 1-1 link and the 1-2 link is unfolded so as to extend to each other and foldable hinge is rotatably coupled to fold downward; is configured to include, the second link is formed in a bar shape A 2-1 link to be formed, and a 2-2 link formed in a bar shape; And a folding hinge rotatably coupled to one end of the second link and the second link so that the ends of the second link and the second link are extended to each other. The first link, the second link, and the second link are connected to each other. The hinge, the connecting bar and the footrest are formed in pairs so as to be symmetrical about the footrest, and a plurality of repetitions are formed, and the footrests may be folded in a bellows shape.

The scaffolding portion includes: a first scaffolding portion foldably coupled to the first connecting bar with an axis at the bottom of the first connecting bar among the connecting bars; and a half of the length of the side surface of the scaffolding portion at the bottom of the first connecting bar. A second scaffolding part pivotally coupled to the first connection bar in such a manner that a center of both sides is rotatably coupled thereto; And a third scaffolding portion which is symmetrically coupled to the first scaffolding portion to the first connecting bar upwardly by the length of the sidewall of the scaffolding portion at the lower end of the first connecting bar. can do.

In addition, the present invention, the folding staircase is further provided with a first scaffold connecting bar formed in a bar shape, the first scaffold connecting bar, one end is rotatably coupled to one side of the rear of the second scaffold, the center is the The first footrest may be rotatably coupled to the center of both side walls, and the other end may be rotatably coupled to one side of the front of the fourth footrest part.

The present invention further includes a second step connecting bar formed in a bar shape, wherein the second step connecting bar is rotatably coupled to one side of the rear side of the first stepping unit, and the center of the second step connecting bar. It may be rotatably coupled to the center of both side walls of the fourth footrest portion, the other end is rotatably coupled to one side of the front of the fifth footrest portion.

A second connecting bar is further provided on the fourth scaffolding portion and the fifth scaffolding portion to be rotatably coupled, and the fourth scaffolding portion is the same as the third scaffolding portion, and the second scaffolding portion is connected to the fifth scaffolding portion. It may be characterized in that coupled to the second connecting bar corresponding to the first connecting bar at the same position.

In the folding stairs according to the present invention has the following effects.

The staircase can be easily installed at the location to be installed and can be folded in a bellows type. When not in use, the stairs can be folded and stored in a minimal space, thereby increasing the space utilization.

Hereinafter, preferred embodiments of the folding stairs according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the folding staircase according to the present invention includes a plurality of first links 10 formed in a bar shape, a plurality of second links 20 formed in a bar shape, and the respective first One end of the first link 10 and the second link 20 is extended to each other, the connecting hinge 30 is rotatably coupled to fold downward, the first link 10 and the second link ( 20, a plurality of connecting bars 40, one end of which is rotatably coupled between the connecting hinge 30, and a plurality of plate-shaped scaffolding parts 50 that are rotatably coupled to the other end of the connecting bar 40. It is configured to include, the scaffolding portion 50 may be characterized by being folded in a bellows format.

First, links 10 and 20 are provided in the folding stairs of the present invention. As shown in FIG. 1, the links 10 and 20 may include a plurality of links. The links 10 and 20 may be formed in a bar shape.

As shown in FIG. 1, the links 10 and 20 may be divided into a first link 10 and a second link 20. The first link 10 and the second link 20 are rotatably coupled to each other by a connection hinge 30.

That is, as shown in FIG. 2, one end of each of the first link 10 and the second link 20 is coupled to the connection hinge 30 to each other, so that the first link 10 and the first link 10 are connected to each other. The two links 20 extend to extend in a straight line with each other, and the first link 10 and the second link 20 can be operated to be folded downward.

In addition, when the first link 10 and the second link 20 is unfolded in a straight line with each other, the stopper for preventing the first link 10 and the second link 20 to further rotate upward ( 32 may be further provided.

The connection hinge 30 is provided with a connection bar 40. As shown in FIGS. 1 and 2, the connection bar 40 is provided between the first link 10 and the second link 20 and centers an axis coupled to the connection hinge 30. It is configured to be rotatable.

In other words, the first link 10, the second link 20, the connection hinge 30, and the connection bar 40 include the handle of the folding stairs of the present invention. That is, when a person climbs up and down the folding staircase of the present invention, it is guided stably using the said handle part.

In addition, the connection bar 40 is provided with a scaffolding portion 50. The scaffolding portion 50 serves to safely support the downward movement of the person moving along the folding stairs of the present inventors. As shown in FIG. 1, the scaffolding part 50 may be coupled to three connecting parts 40.

In more detail, the first scaffolding portion 52 is provided at the lowest end of the connecting bar 40. The first scaffolding portion 52 is configured in a plate shape, and is configured to be collapsible to the connecting bar 40 with one axis of the first scaffolding portion 52 as an axis at a lower end of the connecting bar 40.

Then, the second scaffolding portion 54 is provided at the upper half of the length of the side of the scaffolding portion 50 at the lower end of the connecting bar 40. As shown in FIGS. 1 and 2, the second scaffolding portion 54 is pivotally coupled to the connecting bar 40 so that the centers of both sides of the second scaffolding portion 54 are pivotally connected.

In addition, a third scaffolding portion 56 is provided upward from the lower end of the connecting bar 40 by the length of the side wall of the scaffolding portion 50. As shown in FIGS. 1 and 2, the third scaffold 56 is symmetrically coupled to the first scaffold 52 and foldably coupled to the connection bar 40. In other words, the connecting bar 40 is rotatably coupled to the footrest portion 50 in order from the bottom.

While the above configuration is formed in pairs so as to be symmetrical with each other about the scaffolding portion 50, it forms one unit structure of the configuration of the folding staircase according to the present invention, this unit structure is repeated several times to constitute the entire folding staircase Done.

Here, in order to reduce the size of the unit structure, that is, the width of the scaffolding portion 50 and the length of the links 10 and 20, the following configuration may be further added.

First, to reduce the length of the first link 10 and the second link 20, it can be configured as follows. Here, the first link 10 and the second link 20 are symmetrical to each other, and only one configuration will be described.

The first link 10 includes a 1-1 link 12 formed in a bar shape, a 1-2 link 14 formed in a bar shape, the first link 12 and the first link 12. One or two ends of the first and second links 14 may be configured to include a folding hinge 16 which is rotatably coupled so as to extend to extend to each other and to be folded downward in parallel.

Here, the first-first link 12 and the first-second link 14 are each composed of half of the length of the first link 12. One end of each of the first-first link 12 and the first-second link 14 is rotatably coupled to the connection hinge 30 as shown in FIGS. 1 and 2.

In addition, a folding hinge 16 is provided between the first-first link 12 and the first-second link 14. The folding hinge 16 extends so that the first-first link 12 and the first-second link 14 extend to each other, and is pivotable to be folded downward.

In addition, when the folding hinge 16 is unfolded so that the first-first link 12 and the first-second link 14 extend to each other, the first-first link 12 and the first- The two links 14 serve to limit the upward rotation no longer.

In addition, in order to reduce the size of the scaffolding portion 50 that is rotatably coupled to the respective connecting bars 40, a scaffold connecting bar 60 may be further provided between the connecting bars 40. As shown in FIGS. 1 and 2, the scaffold connection bar 60 is rotatably coupled to the lower side of the rear of the second scaffold 54, and the center thereof is the first scaffold 52. It may be rotatably coupled to the center of the both side walls of the), the other end is rotatably coupled to one side of the front of the fourth footrest (58).

The footrest connection bar 60 may be configured in plural numbers between the connection bars 40, for example, as shown in FIGS. 1 and 2. The scaffold connection bar 60 described above is referred to as a first scaffold connection bar, and the remaining second scaffold connection bar 62 will be described below.

The second scaffold connecting bar 62 is formed in a bar shape, one end of which is rotatably coupled to one side of the rear of the first scaffolding part 52, and the center of both side walls of the fourth scaffolding part 58. It is rotatably coupled with the center of, the other end may be configured to be rotatably coupled to one side of the first half of the fifth scaffold (59).

1 and 2, another connecting bar, that is, a second connecting bar 42, is further provided on the fourth scaffold 58 and the fifth scaffold 59 to be rotatably coupled. The fourth scaffold 58 is the same as the third scaffold 56, and the second scaffold 54 is connected to the connection bar 40 at the same position as the fifth scaffold 59. It is characterized in that it is rotatably coupled to the corresponding second connecting bar (42).

As configured in the above manner, as shown in FIGS. 1 and 2, the scaffolding portions 50 are folded in a bellows form.

Hereinafter, the operation of the folding stairs according to the present invention having the configuration as described above in detail.

The folding stairs of the present invention are installed at different positions. In particular, the top of the folding staircase of the present invention is fixed to a position where the height is relatively high.

Then, when the footrest portion 50 or the connection bar 40 at the bottom of the folding stairs is grabbed and lowered, as shown in FIG. 2, the folding stairs are opened.

In more detail, the first link 10 and the second link 20 rotate around the connecting hinge 30 in a direction away from each other. That is, around the connecting hinge 30, the first link 10 is rotated in the clockwise direction, the second link 20 is rotated in the counterclockwise direction.

Then, a connection bar 40 connected to the other end of each of the first link 10 and the second link 20 is connected at the center of the first link 10 and the second link 20. It moves in a direction away from the bar 40.

As the connection bars 40 move away from each other, the respective footrest portions 50 rotatably coupled to each of the connection bars 40 are linked to each other in a bellows form so that they are positioned horizontally side by side.

In addition, when the first link 10 is unfolded, the first-first link 12 and the first- second link 14 are rotated and unfolded around the folding hinge 16, respectively. The first-first link 12 rotates counterclockwise around the fold hinge 16, and the first-second link 14 rotates clockwise around the fold hinge 16. As shown in FIG. This will allow other links to unfold by the same operation.

Then, as shown in Figure 1, the foldable staircase of the present invention is unfolded it is possible to move a person stably along the stairs.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

1 is a perspective view showing the configuration of the folding staircase according to the present invention.

Figure 2 is an operating state showing the operation of the folding staircase of FIG.

Explanation of symbols on the main parts of the drawings

10: first link 12: first-1-1 link

14: 1-2 link 16: folding hinge

20: second link 30: connection hinge

40: connecting bar 50: scaffolding

52: first footrest portion 54: second footrest portion

56: third footrest 58: fourth footrest

59: fifth footrest 60: footrest connecting bar

Claims (5)

A first link formed in a bar shape; A second link formed in a bar shape; One end of each of the first link and the second link is extended so as to extend from each other, and a connecting hinge rotatably coupled to be folded downward in parallel; A connection bar having one end rotatably coupled between the first link and the second link at the connection hinge; And, And a plurality of plate-shaped scaffolding parts rotatably coupled to the other end of the connecting bar. The first link is, A first first link formed in a bar shape; A second link formed in a bar shape; And, One end of the 1-1 link and the 1-2 link is expanded to extend to each other and the folding hinge is rotatably coupled to fold downward; The second link, A 2-1 link formed in a bar shape; 2-2 links formed in a bar shape; And, One end of the second link and the second link is expanded to extend to each other and folded to be pivotally coupled to fold downward; is configured to include, The first link, the second link, the connecting hinge, the connecting bar and the footrest is formed in pairs so as to be symmetrical about the footrest, and a plurality of repetitive configurations, the footrest is characterized in that the folding in the bellows type stairs. The method of claim 1, The scaffolding part, A first scaffolding part of which one end of the connection bar is foldably coupled to the first connection bar at one end of the first connection bar; A second scaffolding part which is pivotally coupled to the center of both sides so as to be foldable to the first connecting bar upwardly by half of the length of the side of the scaffolding portion at the lower end of the first connecting bar; And, And a third scaffolding part symmetrically coupled to the first scaffolding part to the first connection bar upwardly by the length of the side wall of the scaffolding part at the lower end of the first connection bar. stairs. 3. The method of claim 2, Further provided with a first scaffold connection bar formed in a bar shape, The first scaffold connection bar, One end of the first scaffold connecting bar is rotatably coupled to one side of the rear end in the direction of the first scaffolding portion from the second scaffolding portion to the first connecting bar, The center of the first scaffold connecting bar is rotatably coupled with the middle of both side walls of the first scaffolding portion, The other end of the first scaffolding connecting bar is foldable stairs, characterized in that rotatably coupled to one side of one end of the fourth scaffold. The method of claim 3, Further provided with a second scaffold connection bar formed in a bar shape, The second scaffold connection bar, One end of the second scaffold connecting bar is rotatably coupled to one side of the other end with respect to the first scaffold connecting bar in the first scaffolding part, The center of the second footrest connecting bar is rotatably coupled with the middle of both side walls of the fourth footrest, The other end of the second scaffold connecting bar is foldable stairs, characterized in that rotatably coupled to one side of one end of the fifth scaffold. The method of claim 4, wherein A second connecting bar is further provided on the fourth and fifth foot parts to be rotatably coupled, and the fourth foot part is the same as the third foot part, and the second foot part is the same as the fifth foot part. The folding staircase, characterized in that coupled to the second connecting bar corresponding to the first connecting bar in position.

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