TWM577894U - Folding rotary type staircase - Google Patents

Abstract

A folding and rotating staircase is used to solve the problem that the conventional stair building cannot be folded and the space is wasted. The system includes: a base having a central shaft; a plurality of stepping members respectively having a positioning side and a supporting side, wherein the positioning side is rotatably connected to the central shaft, and each of the supporting sides has a relative a first binding end and a second binding end, the first bonding end and the second bonding end have a sliding rail group; and the plurality of rods respectively have a connecting portion and are located below the connecting portion A pulley assembly, each of the connecting portions is connected to each of the second joint ends, and each of the pulley assemblies is movably located on a sliding rail group of the adjacent stepping members.

Description

Folding spiral staircase

This creation is about a kind of stairs, especially a folding and rotating staircase.

In order to avoid the sun and rain when the car is parked, if there is an open space next to the house, a simple garage will be built in the open space, usually by setting up several columns directly in the open space, and then building a hood on the top of the column. The roof or the iron roof forms a lower space below the roof, and an upper space is formed above the roof. The lower space can be reserved for the car, and the upper space can be used for planting potted plants and people to rest.

However, in order to achieve the purpose of rain protection, the roof is closed, and the person cannot set up a stair building inside the garage to the upper space, so the stair building is placed outside the garage, although the stair building It is convenient for people to enter the upper space, but the stair building will occupy most of the space outside the garage, especially when the stair building is not used, the stair building cannot be properly folded, resulting in wasted space.

In view of this, the conventional stair buildings do still have to be improved.

In order to solve the above problems, the object of the present invention is to provide a folding and rotating staircase which can form a folded state and avoid the space occupied by the folding rotary staircase.

The second purpose of this creation is to provide a folding and rotating staircase that is effective for improving assembly convenience.

Another object of the present invention is to provide a folding and rotating staircase which can improve the structural strength of the folding rotary staircase.

A further object of the present invention is to provide a folding and rotating staircase that can improve the safety of use.

The directionality or similar terms in the full text of this work, such as "before", "after", "left", "right", "upper (top)", "lower (bottom)", "inside" and "outside" The "lateral" and the like are mainly referred to the orientation of the additional drawings, and the directionality or its approximation is only used to assist in the description and understanding of the embodiments of the present invention, and is not intended to limit the present invention.

Approximate terms such as "combination", "combination" or "assembly" as used in the full text of this work mainly include the separation of components without breaking the components, or the inseparability of components after joining, which is common knowledge in the field. The person can be selected according to the material or assembly requirements of the component to be connected.

The folding rotary staircase of the present invention comprises: a base having a central shaft; a plurality of stepping members respectively having a relative positioning side and a supporting side, each of the positioning sides rotatably connecting the central shaft, each of the positioning shafts The hand-held joint side has a first first joint end and a second joint end, and the first joint end and the second joint end have a slide rail group; and the plurality of rod bodies respectively have a connection And a pulley assembly located below the connecting portion, each connecting portion is connected to each of the second engaging ends, and each of the pulley assemblies is movably located in a sliding rail group of the adjacent stepping member.

Accordingly, the folding rotating staircase of the present invention is movably located on the adjacent rail group of the stepping member, so that each of the stepping members and each of the rod bodies can be deployed with respect to the central axis. Or the folding state, whereby the folding rotary staircase can form a folded state when the folding rotary staircase is not used, and the folding rotary staircase is prevented from occupying a space, thereby improving the convenience of use.

Each of the positioning sides has a sleeve, and each sleeve is sleeved on the central axis. In this way, the structure is simple and easy to assemble, and has the effect of improving assembly convenience.

Each of the stepping members has an upper plate and a lower plate, and each of the upper plates and each of the lower plates are connected between the first joint end and the second joint end, and each of the upper plates faces Extending away from the direction of the base, each of the lower plates extends toward the base, and the upper plate and the lower plate together form the slide group. Thus, the structure is simple and easy to manufacture and assemble, and has the effects of reducing manufacturing cost and improving assembly convenience.

Each of the stepping members has two side plates, and the two side plates are connected to two sides of the lower plate, and the two side plates extend toward the positioning side. In this way, the two side plates can be abutted by the lower pulleys, and have the effect of ensuring that each of the pulley assemblies can move on each of the sliding rail sets.

Each of the pulley assemblies has an upper pulley and a lower pulley, each of the upper pulleys movably coupling an upper plate of the adjacent stepping member, and each of the lower pulleys movably couples the lower portion of the adjacent stepping member Plate. Thus, the structure is simple and easy to manufacture and assemble, and has the effects of reducing manufacturing cost and improving assembly convenience.

Each of the step members has a rib, and each of the ribs connects the bottom of each step. Thus, it has the effect of improving the structural strength of the step member.

Each of the rods has a first end and a second end, the connecting portion is located between the first end and the second end, and the pulley assembly is located at the second end. In this way, the structure is simple and easy to assemble, and has the effect of improving assembly convenience.

Each of the rod bodies has a grip portion, and each of the grip portions is connected to each of the first ends. In this way, each of the grip portions can be held by the user, and has the effect of improving the safety of use.

The utility model further comprises a plurality of reinforcing members, each of the reinforcing members being respectively connected between two adjacent rod bodies. In this way, it has the effect of making each of the rods relatively stable.

The utility model further comprises a pull-out member connected to the rod body farthest from the base. In this way, the pull-out member can be pulled by the user, and has the effect of improving the convenience of use.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to Figures 1 and 2, a preferred embodiment of the present invention is a base, a plurality of step members 2 and a plurality of rods 3, and the plurality of step members 2 The base 1 is connected, and the plurality of rods 3 are connected to the plurality of step members 2.

The base 1 is fixed to the ground adjacent to a building M. The shape and state of the base 1 are not limited. In the embodiment, the base 1 is illustrated by a circular body, and the base 1 has A central shaft 11 extending in a direction away from the ground.

Each of the stepping members 2 has a pair of positioning sides 2a and a supporting side 2b, and each of the stepping members 2 is preferably tapered from the supporting side 2b toward the positioning side 2a, and the creation is not limited. Each of the positioning sides 2a is connected to the central axis 11. Each of the positioning sides 2a can have a sleeve 21, and the sleeves 21 are sleeved on the central axis 11 so that each of the step members 2 can be The sleeve 21 is coupled to the center shaft 11, and each of the sleeves 21 is rotatable relative to the center shaft 11. Each of the hand-held joints 2b of the stepping member 2 has a first joint end 22 and a second joint end 23, and a slide rail group is disposed between the first joint end 22 and the second joint end 23. P (as shown in Figure 4).

Referring to Figures 2 and 4, in detail, each of the step members 2 can have an upper plate 24 and a lower plate 25, and each of the upper plates 24 and each of the lower plates 25 are located in the respective hands. The upper side plate 24 and each of the lower plate pieces 25 are connected between the first joint end 22 and the second joint end 23, and each of the upper plate pieces 24 extends away from the base 1 Each of the lower plates 25 extends toward the base 1 , and the upper plate 24 and the lower plate 25 together form the slide group P. Each of the step members 2 may further have two side plates 26 and a rib 27 connected to both sides of the lower plate 25. The two side plates 26 extend toward the positioning side 2a, and the ribs 27 are connected. The bottom of the step member 2, in this way, can increase the structural strength of the step member 2.

As shown in the figures 2, 3, and 4, each of the rods 3 can have a first end 3a and a second end 3b, and a connecting portion 31 is formed between the first end 3a and the second end 3b. Each of the connecting portions 31 is connected to the second joint end 23 of each of the step members 2, and each of the connecting portions 31 and each of the second joint ends 23 is preferably welded. Each of the rod bodies 3 has a pulley assembly 32, and each of the pulley assemblies 32 is located at each of the second ends 3b. The pulley assembly 32 is movably located adjacent to the slide group P of the step members 2. In detail, each of the pulley assemblies 32 can have an upper pulley 32a and a lower pulley 32b, respectively. Each of the upper pulleys 32a movably couples the upper plate 24 of the adjacent stepping member 2, and each of the lower pulleys 32b can be moved. The lower plate 25 of the adjacent step member 2 is coupled to the lower plate 32, and the lower pulley 32b can be prevented from moving outside the range of each of the step members 2.

Referring to the second and third figures, each of the rod bodies 3 can have a grip portion 33, and each of the grip portions 33 connects the first end portions 3a, and the shape of each grip portion 33 is created. Without limitation, in the present embodiment, each of the grip portions 33 is preferably formed in a spherical shape.

The folding rotary staircase of the present invention may further comprise a plurality of reinforcing members 4, each of the reinforcing members 4 being located adjacent to the first end 3a of each of the rod bodies 3, and each of the reinforcing members 4 is connected to two adjacent rod bodies 3, respectively. Between so that the respective rods 3 can be relatively stable. In addition, the folding rotating staircase of the present invention may further comprise a pulling member 5 connected to the rod body 3 farthest from the base 1, the pulling member 5, which is used for the pulling member 5 For the user to pull.

Referring to the second, third, and fourth embodiments, according to the foregoing structure, the base 1 is fixed to the ground adjacent to the building M, and each of the sleeves 21 of each of the step members 2 is sleeved on the central axis 11. Since each of the sleeves 21 is rotatable relative to the central axis 11, the tread members 2 can be offset from each other by adjusting the angles at which the sleeves 21 are rotated by different amplitudes, and the tread members 2 are stacked in a rotating manner. Provided, each of the step members 2 and each of the rod bodies 3 can be in an unfolded state or a folded state with respect to the central axis 11.

Accordingly, when each of the step members 2 and each of the rod bodies 3 are to be in an unfolded state with respect to the central shaft 11, the user has a small load weight adjacent to the pull-up member 5, so the user pulls the When the lead member 5 is pulled, the pulley assemblies 32 can be moved from the first joint ends 22 toward the second joint ends 23 until the lower pulleys 32b abut against the side plates 26, Each of the step members 2 is formed in an unfolded state for the user to walk so that the user can access the upper space, and the user can hold each of the grip portions 33 to increase the safety thereof.

Referring to the figures 2, 4, and 5, when the stepping member 2 and each of the rod bodies 3 are to be folded toward the central axis 11, the user pushes the pulling member 5, Each of the step members 2 can be moved toward the side wall M1 (as shown in FIG. 1 ), and each of the pulley assemblies 32 is moved by the second joint ends 23 toward the first joint ends 22 until Each of the lower pulleys 32b abuts against each of the side plate pieces 26. At this time, each of the rod bodies 3 is adjacent to each other as shown in FIG. 5, so that each of the stepping members 2 is roughly stacked on top of each other. The folding rotary staircase can be abutted against the side wall M1 (as shown in FIG. 1), whereby the folding rotary staircase can be appropriately folded when the folding rotary staircase is not used. Avoid creating wasted space.

In summary, the folding rotating staircase of the present invention is movably located on the sliding rail group of the adjacent stepping member by using each of the pulley assemblies, so that each of the stepping members and each of the rod bodies can be formed with respect to the central axis. The unfolded state or the folded state, whereby the folding and rotating stair can form a folded state when the folding and rotating stair is not used, thereby avoiding the folding and rotating stair occupying space, and having the convenience of use. efficacy.

Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the present invention, and it is still within the spirit and scope of the present invention to make various changes and modifications to the above embodiments. The technical scope of the protection is created, so the scope of protection of this creation is subject to the definition of the patent application scope attached.

[this creation]

1‧‧‧Base

11‧‧‧ center axis

2‧‧‧Steps

2a‧‧‧ positioning side

2b‧‧‧Hand-held side

21‧‧‧Sleeve

22‧‧‧ first joint end

23‧‧‧Second junction

24‧‧‧Upper film

25‧‧‧ Lower plate

26‧‧‧ side panels

27‧‧‧ Ribs

3‧‧‧ rod body

3a‧‧‧ first end

3b‧‧‧ second end

31‧‧‧Connecting Department

32‧‧‧ Pulley assembly

32a‧‧‧Upper pulley

32b‧‧‧ Lower pulley

33‧‧‧ grips

4‧‧‧Strength

5‧‧‧ Pulling parts

M‧‧‧Buildings

M1‧‧‧ side wall

P‧‧‧slide group

[FIG. 1] A preferred embodiment of the present invention is used in a perspective view of a building. [Fig. 2] A partially exploded perspective view of a preferred embodiment of the present invention. [Fig. 3] A preferred partial embodiment of the present invention is an expanded partial plan view. [Fig. 4] A cross-sectional view taken along line A-A of Fig. 3. [Fig. 5] A partial plan view of a preferred embodiment of the present invention.

Claims (10)

A folding rotary staircase comprising: a base having a central shaft; a plurality of stepping members respectively having a relative positioning side and a hand-engaging side, each of the positioning sides rotatably connecting the central shaft, each of the hands The support side has a first joint end and a second joint end, and the first joint end and the second joint end have a slide rail group; and the plurality of rod bodies respectively have a connecting portion and A pulley assembly located below the connecting portion, each connecting portion is connected to each of the second engaging ends, and each of the pulley assemblies is movably located on a sliding rail group of the adjacent stepping member. The folding rotary staircase according to claim 1, wherein each of the positioning sides has a sleeve, and each sleeve is sleeved on the central axis. The folding rotary staircase according to claim 1, wherein each of the stepping members has an upper plate and a lower plate, and each of the upper plates and each of the lower plates are connected to the first combination. Between the end and the second joint end, each of the upper plates extends away from the base, and each of the lower plates extends toward the base, and the upper plate and the lower plate together form the slide group . The folding rotary staircase of claim 3, wherein each of the stepping members has two side plates, the two side plates are connected to two sides of the lower plate, and the two side plates extend toward the positioning side. . The folding rotary staircase according to claim 3, wherein each of the pulley assemblies has an upper pulley and a lower pulley, and each of the upper pulleys movably couples the upper plate of the adjacent stepping member. Each of the lower pulleys movably couples the lower plate of the adjacent step member. The folding rotary staircase according to claim 1, wherein each of the stepping members has a rib, and each of the ribs connects the bottom of each of the stepping members. The folding rotary staircase of claim 1, wherein each of the rods has a first end and a second end, and the connecting portion is located between the first end and the second end. The pulley assembly is located at the second end. The folding rotary staircase according to claim 7, wherein each of the rod bodies has a grip portion, and each of the grip portions is connected to each of the first ends. The folding rotary staircase according to any one of claims 1 to 8, further comprising a plurality of reinforcing members, each of the reinforcing members being respectively connected between two adjacent rod bodies. The folding rotary staircase according to claim 9 of the patent application, further comprising a pulling member connected to the rod body farthest from the base.