Telescopic stair convenient to adjust

By setting adjustment components between the first and second steels of the telescopic stairs, the problem of height difference between the stairs and floor slabs on the construction site is solved, and more efficient installation and safer use is achieved.

CN222686107UActive Publication Date: 2025-03-28CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP +1
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Patent Information

Application Number
CN202421265004.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-03-28
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

When the height difference of floor-standing scaffolding stairs at existing construction sites are not uniform, it is easy to have the phenomenon of high or low level of the last staircase and floor slab plane, which is troublesome to set up, reduce construction progress and poses safety hazards.

Method used

A telescopic staircase that is easy to adjust is designed. By setting adjustment components, tracking components, foot pedal components and fixing components between the first and second steels, telescopic adjustment and fixing are achieved to avoid the height difference between the stairs and floor slabs.

Benefits of technology

Through the design of the adjustment components, the problem of height difference between the stairs and floor slabs is solved, the frequency and safety of telescopic stairs are improved, and the practicality of the equipment is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of telescopic stairs, and discloses a telescopic stair convenient to adjust, which comprises first square steel and second square steel, an adjusting component is arranged between the first square steel and the second square steel, an orbit determination component is arranged between the first square steel and the second square steel, and the two first square steel and the second square steel are respectively provided with a pedal component. Fixing assemblies are arranged at the two ends of the first square steel and the second square steel; the adjusting assembly comprises first through holes and second through holes, the first through holes are formed in the first square steel at equal intervals, the second through holes are formed in the second square steel, and the first through holes and the second through holes correspond to the first square steel and the second square steel in a one-to-one mode. By arranging the adjusting assembly, the first square steel and the second square steel can be conveniently adjusted in a telescopic mode, the problem of height difference between the staircase and a floor in the outer frame staircase erecting process is solved, meanwhile, the use frequency of the telescopic staircase is improved, by arranging the fixing assembly, the body shape of the telescopic staircase is conveniently fixed, and safety protection is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of telescopic stairs, and more particularly to a telescopic staircase which is easy to adjust. Background Art

[0002] Stairs are components used for vertical transportation between floors in a building. They are used for transportation between floors and when there is a large height difference. Stairs should also be set up in multi-story and high-rise buildings that have elevators and escalators as the main means of vertical transportation. The most common thing on construction sites is scaffolding, and workers need to manually climb from the scaffolding to the designated floor.

[0003] The shortcomings of the existing technology: On existing construction sites, ground-based scaffolding is used. The height of the scaffolding increases with the height of the main structure, but the floor heights are often not uniform. At this time, the stairs in the external frame appear to have a height difference with the floor plane, and the last step of the stairs is higher or lower than the floor plane. At the same time, the construction is more troublesome, which reduces the progress of construction and poses a safety hazard. For this reason, we propose a telescopic staircase that is easy to adjust. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a telescopic staircase which is easy to adjust to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solution: a telescopic staircase that is easy to adjust, comprising a first square steel and a second square steel, an adjusting component is arranged between the first square steel and the second square steel, a track fixing component is arranged between the first square steel and the second square steel, footrest components are arranged respectively on the two first square steels and the second square steels, and fixing components are arranged at both ends of the first square steel and the second square steel;

[0006] The adjustment component includes a first through hole and a second through hole, the first through holes are equidistantly arranged inside the first square steel, the second through holes are arranged inside the second square steel, and the first through holes and the second through holes correspond to each other one by one.

[0007] Preferably, the track fixing assembly includes a first strap and a second strap, the first strap is sleeved on the outside of one of the first square steel and the second square steel, and the second strap is sleeved on the outside of the other of the first square steel and the second square steel.

[0008] Preferably, the adjustment assembly further comprises a fixing screw and a fixing nut, wherein the fixing screws successively penetrate the interior of the second through hole and the first through hole, and the fixing nuts are threadedly connected to the outer side of one end of the fixing screw.

[0009] Preferably, the pedal assembly comprises an angle steel and a tread plate, wherein the angle steel is fixedly installed at equal distances on the inner sides of the two first square steels and the second square steel, and the tread plate is fixedly installed between the two angle steels.

[0010] Preferably, the fixing assembly includes a first hook and a second hook, the first hooks are fixedly installed on the top end of the first square steel, and the second hooks are fixedly installed on the outer side of the bottom end of the second square steel.

[0011] Preferably, the top of the tread is provided with an anti-skid pad, and the outer sides of the first square steel and the second square steel are provided with anti-skid patterns.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model is provided with an adjustment component to facilitate telescopic adjustment of the first square steel and the second square steel, thereby preventing height differences between the stairs and the floor during the erection of the external staircase, and also increasing the frequency of use of the telescopic staircase.

[0014] 2. The utility model is provided with a footrest assembly, which makes it convenient for workers to climb high places, and is provided with a fixing assembly, which makes it convenient to fix the shape of the telescopic ladder and improve safety protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a side view of the utility model.

[0017] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle.

[0018] Figure 4 For the utility model Figure 2 Enlarged view of point B in the middle.

[0019] The figures are marked as follows: 1. first square steel; 2. second square steel; 3. first through hole; 4. second through hole; 5. fixing screw; 6. fixing nut; 7. first binding strap; 8. second binding strap; 9. angle steel; 10. step board; 11. first hook; 12. second hook. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the new structure involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0021] The utility model provides a telescopic staircase which is easy to adjust, comprising a first square steel 1 and a second square steel 2, an adjusting component is arranged between the first square steel 1 and the second square steel 2, a track fixing component is arranged between the first square steel 1 and the second square steel 2, the two first square steels 1 and the second square steels 2 are respectively provided with footrest components, and fixing components are arranged at both ends of the first square steel 1 and the second square steel 2. By providing the track fixing component, it is convenient to bundle the first square steel 1 and the second square steel 2 to prevent the first square steel 1 and the second square steel 2 from being separated, by providing the adjusting component, it is convenient to perform telescopic adjustment on the first square steel 1 and the second square steel 2, and the height difference problem between the stairs and the floor slab during the erection of the external frame stairs is prevented, and the use frequency of the telescopic staircase is also improved. By providing the footrest component, it is convenient for staff to climb high places, and by providing the fixing component, it is convenient to fix the shape of the telescopic staircase, improve safety protection, prevent the occurrence of safety accidents, increase the practicality of the equipment, and facilitate actual application and operation.

[0022] Furthermore, the track fixing assembly includes a first strap 7 and a second strap 8, the first strap 7 is sleeved on the outside of one of the first square steels 1 and the second square steel 2, and the second strap 8 is sleeved on the outside of the other of the first square steels 1 and the second square steel 2. By using the first strap 7 and the second strap 8 to be respectively sleeved on the first square steel 1 and the second square steel 2, the first square steel 1 and the second square steel 2 can be more conveniently telescopically adjusted.

[0023] Furthermore, the adjustment component includes a first through hole 3, a second through hole 4, a fixing screw 5 and a fixing nut 6. The first through holes 3 are equidistantly arranged inside the first square steel 1, and the second through holes 4 are arranged inside the second square steel 2. The first through holes 3 and the second through holes 4 correspond to each other one by one. The fixing screws 5 pass through the second through holes 4 and the first through holes 3 in sequence. The fixing nuts 6 are threadedly connected to the outside of one end of the fixing screw 5. When the first square steel 1 and the second square steel 2 are adjusted to a suitable position, the fixing screw 5 is used to pass through the second through hole 4 and the first through hole 3 in sequence, and then the fixing nut 6 is manually screwed on the fixing screw 5, so that the first square steel 1 and the second square steel 2 are fixed to achieve the effect of telescopic adjustment.

[0024] Furthermore, the foot pedal assembly includes an angle steel 9 and a tread plate 10. The angle steel 9 is fixedly installed on the inner side of the two first square steels 1 and the second square steel 2 at equal distances. The tread plate 10 is fixedly installed between the two angle steels 9. By arranging the tread plate 10 between the two angle steels 9, it is convenient for workers to climb.

[0025] Furthermore, the fixing assembly includes a first hook 11 and a second hook 12. The first hook 11 is fixedly installed on the top of the first square steel 1, and the second hook 12 is fixedly installed on the outer side of the bottom end of the second square steel 2. By setting the first hook 11 and the second hook 12, it is convenient to fix the telescopic stairs to prevent hidden dangers when the staff climbs.

[0026] Furthermore, an anti-skid pad is provided on the top of the stepping board 10, and anti-skid patterns are provided on the outer sides of the first square steel 1 and the second square steel 2. By providing the anti-skid pad, the friction between the sole of the foot and the stepping board 10 is increased, and by providing the anti-skid patterns, the friction between the palm of the staff and the outer sides of the first square steel 1 and the second square steel 2 is increased.

[0027] The working principle of the utility model is as follows: first manually clamp the first telescopic staircase and the second telescopic staircase together, first determine the height between the telescopic staircases, and then roughly determine the height, then lay the two telescopic staircases flat, then respectively put the first strap 7 and the second strap 8 on the outside of the first square steel 1 and the second square steel 2, and then use the fixing screw 5 to pass through the second through hole 4 and the inside of the first through hole 3 in turn, and then manually screw the fixing nut 6 on the fixing screw 5, so that the first square steel 1 and the second square steel 2 are fixed to achieve the effect of telescopic adjustment, and then the first hook 11 on the first square steel 1 is fixed on the round steel, and the second hook 12 at the bottom end of the second square steel 2 is fixed on the external frame, which is convenient for the staff to climb.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A telescopic staircase that is easy to adjust, comprising a first square steel (1) and a second square steel (2), characterized in that: An adjusting component is provided between the first square steel (1) and the second square steel (2), a track fixing component is provided between the first square steel (1) and the second square steel (2), a pedal component is provided on each of the first square steel (1) and the second square steel (2), and fixing components are provided at both ends of the first square steel (1) and the second square steel (2); The adjustment component comprises a first through hole (3) and a second through hole (4), wherein the first through holes (3) are equidistantly arranged inside the first square steel (1), and the second through holes (4) are arranged inside the second square steel (2), and the first through holes (3) and the second through holes (4) correspond to each other one by one.

2. The adjustable telescopic staircase according to claim 1, characterized in that: The track fixing assembly comprises a first binding belt (7) and a second binding belt (8), wherein the first binding belt (7) is sleeved on the outer side of one of the first square steel (1) and the second square steel (2), and the second binding belt (8) is sleeved on the outer side of another of the first square steel (1) and the second square steel (2).

3. The adjustable telescopic staircase according to claim 1, characterized in that: The adjustment assembly further comprises a fixing screw (5) and a fixing nut (6), wherein the fixing screw (5) passes through the interior of the second through hole (4) and the first through hole (3) in sequence, and the fixing nut (6) is threadedly connected to the outer side of one end of the fixing screw (5).

4. The adjustable telescopic staircase according to claim 1, characterized in that: The pedal assembly comprises an angle steel (9) and a tread plate (10), wherein the angle steel (9) is fixedly installed at equal distances on the inner sides of two first square steels (1) and a second square steel (2), and the tread plate (10) is fixedly installed between the two angle steels (9).

5. The adjustable telescopic staircase according to claim 1, characterized in that: The fixing assembly comprises a first hook (11) and a second hook (12), wherein the first hook (11) is fixedly mounted on the top end of the first square steel (1), and the second hook (12) is fixedly mounted on the outer side of the bottom end of the second square steel (2).

6. The adjustable telescopic staircase according to claim 4, characterized in that: The top of the tread (10) is provided with an anti-skid pad, and the outer sides of the first square steel (1) and the second square steel (2) are provided with anti-skid patterns.