阅读说明：本技术 一种建筑施工用可折叠旋转楼梯 (Collapsible rotatory stair are used in construction ) 是由 孙智慧 王宝莹 谷晓峰 杨磊 赵新 于 2019-11-13 设计创作，主要内容包括：本发明涉及旋转楼梯技术领域,具体为一种建筑施工用可折叠旋转楼梯,包括连接杆,连接杆的外部上下依次嵌套有若干套环,套环底部一侧固定连接有第一滑块,套环的顶部一侧设有容纳第一滑块滑动的第一滑槽,套环的一侧固定连接梯台,梯台远离套环的一侧上下两端面分别设有相互匹配的第二滑槽和第二滑块,在发明中,套环在连接杆上相对转动,从而使若干梯台依次通过第一滑块在第一滑槽中滑动,以及第二滑块在第二滑槽中滑动,从而使若干梯台呈扇形展开,从而通过若干梯台形成螺旋型的楼梯,占用空间小,简单发明,更方便拆卸运输携带,回收利用率更高,更发明方便。(The invention relates to the technical field of spiral stairs, in particular to a foldable spiral stair for building construction, which comprises a connecting rod, wherein a plurality of lantern rings are sequentially nested up and down outside the connecting rod, one side of the bottom of each lantern ring is fixedly connected with a first sliding block, one side of the top of each lantern ring is provided with a first sliding groove for accommodating the first sliding block to slide, one side of each lantern ring is fixedly connected with a step, the upper end surface and the lower end surface of one side of the step, which is far away from the lantern rings, are respectively provided with a second sliding groove and a second sliding, in the invention, the lantern ring rotates relatively on the connecting rod, so that a plurality of terraces sequentially slide in the first sliding groove through the first sliding block and the second sliding block slides in the second sliding groove, the spiral stair is formed by the plurality of terraces, so that the occupied space is small, the spiral stair is simple, the spiral stair is more convenient to disassemble, transport and carry, the recycling rate is higher, and the spiral stair is more convenient to invent.)

1. The utility model provides a collapsible rotatory stair for construction, includes connecting rod (1), its characterized in that, the outside of connecting rod (1) is nested from top to bottom in proper order has a plurality of lantern rings (2), the first slider (3) of lantern ring (2) bottom one side fixedly connected with, top one side of the lantern ring (2) is equipped with holds the gliding first spout (4) of first slider (3), one side fixed connection halfpace (5) of the lantern ring (2), both ends face is equipped with second spout (8) and second slider (6) that match each other respectively about one side of the lantern ring (2) is kept away from in halfpace (5).

2. The foldable spiral stair for building construction according to claim 1, wherein; the first sliding groove (4) and the second sliding groove (8) are both arc-shaped structures and are both T-shaped structures, and the first sliding block (3) and the second sliding block (6) are also of T-shaped structures matched with each other.

3. The foldable spiral stair for building construction according to claim 1, wherein: the bottom of first spout (4) and second spout (8) all is equipped with the slide, the lower extreme of first slider (3) and second slider (6) is equipped with the ball that matches each other with the slide.

4. The foldable spiral stair for building construction according to claim 1, wherein: the upper end and the lower end of the connecting rod (1) are both provided with threads, and the upper end and the lower end of the connecting rod (1) are in threaded connection with locking rings (7) through the threads.

5. The foldable spiral stair for building construction according to claim 1, wherein: the through hole that holds connecting rod (1) is seted up at the inside center of lantern ring (2), first spout (4) set up on lantern ring (2) keep away from one side of through hole.

6. The foldable spiral stair for building construction according to claim 1, wherein: a plurality of folding grooves (9) have been seted up all around to the upper end of the lantern ring (2), the inside one end of folding groove (9) is rotated through the pivot and is connected with bracing piece (10), the other end of bracing piece (10) articulates the bottom in another lantern ring (2), groove (11) have been seted up to one side of bracing piece (10), the lower extreme of accomodating groove (11) articulates there is accomodate pole (12), the other end fixedly connected with locking lever (13) of accomodating pole (12), the one end that bracing piece (10) were kept away from in folding groove (9) is equipped with locking groove (14) that agrees with each other with locking lever (13).

7. The foldable spiral stair for building construction according to claim 6, wherein: a plurality of rotating seats (15) are arranged on the periphery of the bottom of the lantern ring (2), and the upper end of the supporting rod (10) is rotatably connected to the inside of the rotating seats (15) through a rotating shaft.

8. The collapsible spiral stair for construction according to any one of claims 1 to 7, wherein: a plurality of screw holes (16) are sequentially formed in one side of the connecting rod (1) from top to bottom, a screw (17) is screwed on the side face of the lantern ring (2), and the other end of the screw (17) is screwed inside the screw holes (16).

Technical Field

The invention relates to the technical field of spiral stairs, in particular to a foldable spiral stair for building construction.

Background

The building is used as a component for vertical traffic between floors and is used for traffic connection between floors and when the height difference is large. The stairs are also arranged in multi-storey and high-rise buildings which are provided with elevators and escalators as main vertical transportation means, the high-rise buildings still need to be kept for escape in case of fire despite of adopting the elevators as main vertical transportation means, the stairs comprise continuous stair sections, platforms, enclosing members and the like, the horizontal projection distance between the lowest step and the highest step of the stairs is the stair length, the total height of the stairs is the stair height, and the stairs are engraved in the heavy house image on the copper ware in the Chinese war country period.

Traditional stair are mostly reinforced concrete structure, perhaps will fix through the welding mode between a plurality of steel sheets and link to each other, and recycle is low, inconvenient installation transportation, and occupation space is big, has the improvement.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a foldable spiral stair for building construction, which solves the problems of low recycling rate, inconvenience in installation and transportation and large occupied space of the traditional stair.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a collapsible rotatory stair for construction, includes the connecting rod, the outside of connecting rod is nested from top to bottom in proper order has a plurality of lantern rings, the first slider of lantern ring bottom one side fixedly connected with, top one side of the lantern ring is equipped with and holds the gliding first spout of first slider, one side fixed connection halfpace of the lantern ring, the halfpace is kept away from about one side of the lantern ring both ends face and is equipped with the second spout and the second slider that match each other respectively.

As a preferred technical solution of the present invention, the first sliding groove and the second sliding groove are both arc-shaped structures and are both T-shaped structures, and the first sliding block and the second sliding block are also T-shaped structures that are matched with each other.

As a preferable technical scheme of the invention, the bottom ends of the first sliding chute and the second sliding chute are respectively provided with a slideway, and the lower ends of the first sliding block and the second sliding block are provided with balls matched with the slideways.

As a preferred technical scheme of the invention, the upper end and the lower end of the connecting rod are both provided with threads, and the upper end and the lower end of the connecting rod are in threaded connection with locking rings through the threads.

As a preferable technical solution of the present invention, a through hole for accommodating the connecting rod is formed in an inner center of the collar, and the first sliding groove is disposed on a side of the collar away from the through hole.

As a preferred technical scheme of the invention, a plurality of folding grooves are formed around the upper end of each lantern ring, one end of each folding groove is rotatably connected with a supporting rod through a rotating shaft, the other end of each supporting rod is hinged to the bottom end of the other lantern ring, one side of each supporting rod is provided with a containing groove, the lower end of each containing groove is hinged with a containing rod, the other end of each containing rod is fixedly connected with a locking rod, and one end of each folding groove, far away from the corresponding supporting rod, is provided with a locking groove matched with the locking rod.

As a preferred technical scheme of the invention, a plurality of rotating seats are arranged around the bottom of the lantern ring, and the upper end of the supporting rod is rotatably connected inside the rotating seats through a rotating shaft.

As a preferred technical scheme of the invention, a plurality of screw holes are sequentially formed in one side of the connecting rod from top to bottom, the side surface of the lantern ring is screwed with a screw, and the other end of the screw is screwed in the screw hole.

Compared with the prior art, the invention provides a foldable spiral stair for building construction, which has the following beneficial effects:

according to the foldable spiral stair, the lantern ring rotates on the connecting rod relatively, so that the plurality of terraces sequentially slide in the first sliding groove through the first sliding block, the second sliding block slides in the second sliding groove, the plurality of terraces are unfolded in a fan shape, and the spiral stair is formed through the plurality of terraces.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a sectional view of the second chute of the present invention;

FIG. 3 is a schematic view of the support rod and its structure;

FIG. 4 is an enlarged view of the structure of the present invention at A;

FIG. 5 is a schematic view of a rotary base according to the present invention.

In the figure: 1. a connecting rod; 2. a collar; 3. a first slider; 4. a first chute; 5. a landing; 6. a second slider; 7. locking a ring; 8. a second chute; 9. a folding slot; 10. a support bar; 11. a receiving groove; 12. a storage rod; 13. a locking lever; 14. a locking groove; 15. a rotating seat; 16. a screw hole; 17. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.