CN107587672B

CN107587672B - Turnover type building stair

Info

Publication number: CN107587672B
Application number: CN201710859410.5A
Authority: CN
Inventors: 钱月珍
Original assignee: Individual
Current assignee: Dong Hong
Priority date: 2017-09-21
Filing date: 2017-09-21
Publication date: 2020-07-03
Anticipated expiration: 2037-09-21
Also published as: CN107587672A

Abstract

The invention provides a turnover type building stair which comprises side bases extending upwards in an inclined mode; step surfaces formed by strip-shaped plates are uniformly distributed on the side base from bottom to top; horizontal rotating shafts are arranged on two sides of the step surface, and a bearing is coupled to each horizontal rotating shaft; the bearing is arranged in a movable bearing seat, and the movable bearing seat is supported on an elastic seat, so that the bearing seat can only move up and down; the lower part of the elastic seat is fixed on the side base; the horizontal rotating shaft extends into a shaft ring fixed with the side base, and a locking mechanism is arranged between the shaft ring and the horizontal rotating shaft; the locking mechanism locks the horizontal rotating shaft when the horizontal rotating shaft and the axis of the shaft ring deviate in the radial direction. The turnover building stair can turn over the step surface to provide a clean seat surface, so that people can play at leisure.

Description

Turnover type building stair

Technical Field

The invention relates to the field of building facilities, in particular to a building stair.

Background

At present, the building stairs generally adopt a fixed structure; people usually sit on stairs for leisure or play in the process of living activities; in particular, as the current urban houses are expensive, the stairs of the duplex houses occupy more space, and the duplex houses are expected to provide more functions for the life of people. For the existing fixed stairway, because the fixed stairway is stepped on for a long time, the surface of the fixed stairway has more dust, and before the fixed stairway sits on, the fixed stairway needs to be padded with paper or cleaned up, so that the fixed stairway is very troublesome to see, and the function of the stairway is inhibited.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a convertible building stair, which can be turned over its step surface to provide a clean seat surface, thereby facilitating people to play for leisure.

The technical scheme adopted by the invention for solving the technical problems is as follows: the turnover type building stair comprises side bases extending upwards in an inclined mode; step surfaces formed by strip-shaped plates are uniformly distributed on the side base from bottom to top; horizontal rotating shafts are arranged on two sides of the step surface, and a bearing is coupled to each horizontal rotating shaft; the bearing is arranged in a movable bearing seat, and the movable bearing seat is supported on an elastic seat, so that the bearing seat can only move up and down; the lower part of the elastic seat is fixed on the side base; the horizontal rotating shaft extends into a shaft ring fixed with the side base, and a locking mechanism is arranged between the shaft ring and the horizontal rotating shaft; the locking mechanism locks the horizontal rotating shaft when the horizontal rotating shaft and the axis of the shaft ring deviate in the radial direction.

Preferably, the bearing is a spring bearing and can rotate to an original state after the torsion is removed; so that the turned step surface is automatically turned to the original state after the artificial pressure is removed.

Preferably, the lower surface of the step surface is wrapped with a cushion to improve comfort.

Preferably, the locking mechanism comprises a rotating shaft friction plate fixed on the periphery of the horizontal rotating shaft and a shaft ring friction plate fixed in the shaft ring; when the friction plates of the rotating shaft and the friction plates of the shaft ring are radially compressed, the circumferential motion of the horizontal rotating shaft is locked.

The invention has the beneficial effects that: when the turnover type building stair is normally trampled, a human body applies downward pressure to the step surface, so that the horizontal rotating shaft and the axis of the shaft ring are radially deviated, the horizontal rotating shaft is locked by the locking mechanism, the step surface cannot rotate, and the body is prevented from shaking; when the seat is needed to be seated on the step surface, the step surface is turned over only under the condition that pressure is not applied to the step surface, so that the clean lower surface of the step surface faces upwards, and the step surface does not need to be cleaned any more.

Drawings

Fig. 1 is a side view schematic diagram of the turnover type building stair.

Fig. 2 is a schematic front view of a step surface of a first step in the turnover type building stair.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 2.

Detailed Description

The invention is further illustrated with reference to the following figures and examples:

in the embodiment shown in fig. 1-4, the convertible building stairway comprises side bases 1 extending obliquely upwards; step surfaces 2 formed by strip-shaped plates are uniformly distributed on the side base 1 from bottom to top; two sides of the step surface 2 are provided with horizontal rotating shafts 21, and the horizontal rotating shafts 21 are axially connected with a bearing 3; the bearing 3 is arranged in a movable bearing seat 31, and the movable bearing seat 31 is supported on an elastic seat 4, so that the bearing seat 31 can only move up and down; in this embodiment, the elastic seat is a buffer cylinder mechanism; the lower part of the elastic seat 4 is fixed on the side base 1; the horizontal rotating shaft 21 extends into a shaft ring 5 fixed with the side base 1, and a locking mechanism is arranged between the shaft ring 5 and the horizontal rotating shaft 21; the locking mechanism locks the horizontal rotating shaft when the horizontal rotating shaft 21 deviates from the axial line of the shaft ring 5 in the radial direction; as shown in fig. 4, in the present embodiment, the locking mechanism includes a friction plate group 6 composed of a rotation shaft friction plate fixed on the outer periphery of the horizontal rotation shaft 21 and a collar friction plate fixed in the collar; when the friction plates of the rotating shaft and the friction plates of the shaft ring are radially compressed, the circumferential motion of the horizontal rotating shaft 21 is locked.

In the turnover building stair, the bearing 3 is a spring bearing and can rotate to an original state after torsion is removed; so that the turned step surface 2 is automatically turned to an original state after the artificial pressure is removed; in practice, it is only necessary to provide a return spring between the inner race and the hub of the bearing 3.

In addition, a cushion can be wrapped on the lower surface of the step surface 2 to improve the comfort level.

When the turnover building stair is normally trampled, a human body applies downward pressure to the step surface, so that the horizontal rotating shaft 21 and the axis of the shaft ring 5 are radially deviated, the horizontal rotating shaft 21 is locked by the locking mechanism, and the step surface 2 cannot rotate so as to avoid body shaking; when the user needs to sit on the step surface 2, the step surface 2 is only required to be turned over under the condition that pressure is not applied to the step surface 2, the clean lower surface of the step surface faces upwards, and therefore the step surface does not need to be cleaned any more.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of the invention is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

Claims

1. A convertible building stairway comprises side bases (1) extending obliquely upwards; step surfaces (2) formed by strip-shaped plates are uniformly distributed on the side base (1) from bottom to top; the method is characterized in that: horizontal rotating shafts (21) are arranged on two sides of the step surface (2), and a bearing (3) is axially connected with the horizontal rotating shafts (21); the bearing (3) is arranged in a movable bearing seat (31), and the movable bearing seat (31) is supported on an elastic seat (4) so that the bearing seat (31) can only move up and down; the lower part of the elastic seat (4) is fixed on the side base (1); the horizontal rotating shaft (21) extends into a shaft ring (5) fixed with the side base (1), and a locking mechanism is arranged between the shaft ring (5) and the horizontal rotating shaft (21); the locking mechanism locks the horizontal rotating shaft (21) when the horizontal rotating shaft is deviated from the axis of the shaft ring (5) in the radial direction.

2. The convertible building stair of claim 1, wherein: the bearing (3) is a spring bearing and can rotate to an original state after torsion is removed; so that the turned step surface (2) can be automatically turned to the original state after the artificial pressure is removed.

3. The convertible building stair of claim 1, wherein: the lower surface of the step surface (2) is wrapped with a cushion.

4. The convertible building stair of claim 1, wherein: the locking mechanism comprises a rotating shaft friction plate fixed on the periphery of the horizontal rotating shaft (21) and a shaft ring friction plate fixed in the shaft ring (5); when the friction plates of the rotating shaft and the friction plates of the shaft ring are radially compressed, the circumferential motion of the horizontal rotating shaft (21) is locked.