CN217175614U

CN217175614U - Adjustable size stair

Info

Publication number: CN217175614U
Application number: CN202220052490.XU
Authority: CN
Inventors: 王小磊; 张双刚; 余泉
Original assignee: Hubei Rentai Hengchang Technology Development Co ltd
Current assignee: Hubei Rentai Hengchang Technology Development Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-12
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of climbing frames, in particular to a stair with adjustable size, which solves the problem that the height of the climbing frame stair in the prior art is not adjustable or is inconvenient to adjust; the stair comprises two opposite stair frames, a stair board is connected between the stair frames, a first lengthening piece is sleeved at the bottom of each stair frame, a first pedal is connected between the first lengthening pieces, and the distance between the first pedal and the stair board at the bottommost layer is the same as the distance between the stair boards; this scheme sets up the first extension piece that can conveniently dismantle and splices the stair frame with the second extension piece to the different step distances of scaffold board for stair climbing frame size is adjustable, satisfies the different step distance demands of scaffold board, makes things convenient for on-the-spot personnel from top to bottom, facilitates for the construction, whole device simple structure, preparation convenience, low cost, and the practicality is stronger.

Description

Adjustable size stair

Technical Field

The utility model relates to a climb frame technical field, concretely relates to adjustable dimension stair.

Background

The attached lifting scaffold is an external scaffold which is erected at a certain height, attached to a main engineering structure, can climb or descend layer by layer along with the main engineering structure by depending on self lifting equipment and auxiliary devices, and is provided with an anti-overturning and anti-falling device, namely a climbing frame for short; because the climbing frame has the advantages of saving a large amount of labor and materials, being simple and convenient to operate, easy to manage, protecting the environment and the like compared with the traditional steel pipe fastener type scaffold, the climbing frame becomes standard matching equipment for high-rise and super high-rise building construction through more than ten years of development. The climbing frame mainly comprises a climbing frame body, lifting equipment, a guide rail and a wall-attached connecting device, wherein the climbing frame body mainly comprises a scaffold board, a vertical rod, a horizontal truss and an internal and external protective net mechanism.

The step pitch of the scaffold vertical surface scaffold board is 2m under the conventional condition, but the step pitch of the scaffold vertical surface scaffold board can be 2.2m or 2.4m for reasonably setting the scaffold according to the height of the building due to the difference of the building layer height. The height dimension of current climbing frame stair is not adjustable, or adjustable but complex operation structure, and this scheme expandes under this background promptly.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides an adjustable size stair to the height of climbing a stair is not adjustable among the solution prior art or adjusts inconvenient problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

size adjustable stair, including two stair frames that set up relatively, be connected with the stair board between the stair frame, first extension has been cup jointed to the bottom of stair frame, be connected with first footboard between the first extension, the stair board distance of first footboard and bottom is the same with the interval between the stair board.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the stair frame is a rectangular pipe, the first lengthening piece is inserted into the stair frame, and the first lengthening piece is flush with the outer wall of the stair frame.

Furthermore, a first positioning hole is formed in the side wall of the bottom of the stair frame, a first screw hole corresponding to the first positioning hole is formed in the first elongated member, and the first elongated member is inserted into the stair frame and then fixed through bolts.

Furthermore, a second lengthening piece is sleeved at the bottom of the first lengthening piece, a second pedal is connected between the second lengthening pieces, and the distance between the second pedal and the first pedal is equal to the distance between the stair boards.

Furthermore, the first elongated member is a rectangular tube, the second elongated member is inserted into the first elongated member, and the second elongated member is flush with the outer wall of the first elongated member.

Furthermore, a second positioning hole is formed in the side wall of the bottom of the first elongated member, a second screw hole corresponding to the second positioning hole is formed in the second elongated member, and the second elongated member is inserted into the first elongated member and then fixed by using a bolt.

Further, the height of the stair frame is 2m, and the height of the assembled stair frame and the first elongated member is 2.2 m.

Further, the height of the stair frame is 2m, and the height of the assembled stair frame, the first elongated member and the second elongated member is 2.4 m.

Further, the rectangular tube size of the stair frame is 70 x 50 x 3 mm.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

this scheme sets up the first extension piece that can conveniently dismantle and splices the stair frame with the second extension piece to the different step distances of scaffold board for stair climbing frame size is adjustable, satisfies the different step distance demands of scaffold board, makes things convenient for on-the-spot personnel from top to bottom, facilitates for the construction, whole device simple structure, preparation convenience, low cost, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural view of the embodiment of the present invention after the stair frame is sleeved with the first elongated member;

FIG. 2 is a schematic view of the structure of the stair frame after being nested with the first and second elongated members;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a stair frame; 2. a stair tread; 3. a first elongated member; 4. a first pedal; 5. a first positioning hole; 6. a first screw hole; 7. a second elongated member; 8. a second pedal; 9. a second positioning hole; 10. and a second screw hole.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under", "below", "beneath", "below", "over", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

The stair with the adjustable size as shown in figures 1-3 comprises two stair frames 1 which are oppositely arranged, and stair plates 2 are connected between the stair frames 1 to form a basic structure of a stair climbing frame. First extension 3 has been cup jointed to the bottom of stair frame 1, is connected with first footboard 4 between the first extension 3, and first footboard 4 is the same with the interval between 2 stair plates of the stair plate 2 of bottom apart from and the stair plate 2.

In one embodiment, the height of the stair frame 1 (in this embodiment, the height is the height from the lowest point to the highest point of the stair frame 1 in the vertical direction after the stair frame is obliquely arranged) is 2m, and the overall height of the stair frame 1 after the first elongated member 3 is sleeved is 2.2 m. Stair board 2 sets up between two stair frames 1 and with both butts, and stair board 2 is preferably the rectangle frame structure that four rectangular pipe concatenations formed, covers a decorative pattern steel sheet in rectangle frame structure top again, utilizes to use the mode of bolt fastening after punching to fix stair board 2 on stair frame 1, implements simply, low cost.

Preferably, stair frame 1 is the rectangular pipe, and first extension 3 is pegged graft in stair frame 1, and first extension 3 flushes with the outer wall of stair frame 1.

Particularly, first locating hole 5 has been seted up on the bottom lateral wall of stair frame 1, and first locating hole 5 is equipped with two sets ofly at least, sets up first screw 6 that corresponds first locating hole 5 on the first extension piece 3, and first extension piece 3 is pegged graft and is used the bolt fastening after stair frame 1 is inside.

The scheme can be further optimized in that the bottom of the first lengthening piece 3 is sleeved with a second lengthening piece 7, a second pedal 8 is connected between the second lengthening pieces 7, and the distance between the second pedal 8 and the first pedal 4 is equal to the distance between the stair boards 2. The height of the stair frame 1 after being assembled with the first elongated member 3 and the second elongated member 7 is 2.4 m.

Correspondingly, the first elongated member 3 is also a rectangular tube, the second elongated member 7 is inserted into the first elongated member 3, and the second elongated member 7 is flush with the outer wall of the first elongated member 3.

Specifically, the bottom side wall of the first elongated member 3 is provided with at least two second positioning holes 9, the second elongated member 7 is provided with a second screw hole 10 corresponding to the second positioning hole 9, and the second elongated member 7 is inserted into the first elongated member 3 and then fixed by bolts.

In order to facilitate manufacture and reduce cost, the stair boards 2, the first pedals 4 and the second pedals 8 have the same specification and size, and the first elongated members 3 and the second elongated members 7 are rectangular tubes.

The rectangular tube size of the stair frame 1 is 70 x 50 x 3 mm.

this scheme sets up the first extension 3 that can conveniently dismantle and splices stair frame 1 with second extension 7 to scaffold board different step, for stair climbing frame size is adjustable, satisfies scaffold board different step demands, makes things convenient for the on-the-spot personnel from top to bottom, facilitates for the construction, and whole device simple structure, preparation are convenient, low cost, and the practicality is stronger.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Size adjustable stair, its characterized in that, including two stair framves of relative setting, be connected with the stair board between the stair frame, first extension piece has been cup jointed to the bottom of stair frame, be connected with first footboard between the first extension piece, first footboard is the same with the stair board distance of bottom and the interval between the stair board.

2. A staircase as claimed in claim 1, wherein the frame is a rectangular tube and the first elongate member is received within the frame and is substantially flush with the outer wall of the frame.

3. The stair of claim 2, wherein the bottom side wall of the stair frame is provided with a first positioning hole, the first elongated member is provided with a first screw hole corresponding to the first positioning hole, and the first elongated member is inserted into the stair frame and then fixed by bolts.

4. The stair of claim 1, wherein the bottom of the first elongated member is sleeved with a second elongated member, a second tread is connected between the second elongated members, and the distance between the second tread and the first tread is equal to the distance between the stair treads.

5. A staircase according to claim 4, wherein the first elongate member is a rectangular tube and the second elongate member is received within the first elongate member, the second elongate member being flush with the outer wall of the first elongate member.

6. The stair of claim 5, wherein the first elongated member has a second positioning hole formed in a bottom side wall thereof, the second elongated member has a second screw hole formed therein corresponding to the second positioning hole, and the second elongated member is inserted into the first elongated member and then fixed thereto by a bolt.

7. An adjustable staircase as claimed in claim 1, wherein the height of the frame is 2m and the height of the frame, when assembled with the first elongate member, is 2.2 m.

8. An adjustable staircase as claimed in claim 4, wherein the height of the frame is 2m and the height of the frame when assembled with the first and second elongate members is 2.4 m.

9. The stair of claim 2, wherein the rectangular tubes of the stair cage are 70 x 50 x 3mm in size.