CN211899331U

CN211899331U - Modularization spiral stair

Info

Publication number: CN211899331U
Application number: CN201921896559.1U
Authority: CN
Inventors: 张忱琛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-11-10
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a modularization spiral stair, including the stair board, one side welding of stair board has the connecting piece, and one side welding that the stair board was kept away from to the connecting piece has outer tube or interior sleeve pipe, the interval sets up between outer tube and the interior sleeve pipe, and cup joints each other between outer tube and the interior sleeve pipe, all weld on outer tube inner wall and the interior sleeve pipe outer wall has stopper and contact piece. The utility model discloses in, cup joint interior sleeve pipe with the top of outer tube, and cup joint the outer tube at interior sheathed tube top, until reaching suitable when high, stop to add up, with this realize promptly that the stair height flexibility to the not co-altitude floor is adjusted, the application scope of stair has been increased, when demolising stair, with the bolt screw down, and with contacting the piece roll-off in the recess of stopper, the inside of the interior sleeve pipe outside outer tube after losing the restriction slides, thereby realize the adjustment of interval between the sleeve pipe, make in the transportation, the space that occupies is littleer, be convenient for transport.

Description

Modularization spiral stair

Technical Field

The utility model relates to a stair technical field especially relates to a modularization spiral staircase.

Background

The stairs are members used for vertical traffic between floors in buildings and are mainly used for traffic connection between floors and when the height difference is large. Stairways are also provided in multi-story and high-rise buildings provided with elevators and escalators as the main means of vertical transportation. High-rise buildings, although using elevators as the main vertical transport means, still need to keep staircases for escape in case of fire. The stairs are composed of continuous stair sections (also called stair runs), platforms (rest platforms), enclosing members and the like. The horizontal projection distance between the lowest step and the highest step of the stair is the length of the stair, and the total height of the steps is the height of the stair.

Most of the existing rotary staircases adopt middle upright posts, fixed structures of stair boards are arranged on the periphery of the middle upright posts through bolts, the installation process is complicated, the number of parts is large, and the rotary staircases are specially customized according to floors with different heights, so that the applicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the modularized spiral stair is provided for solving the problems that the existing spiral stair is inflexible in structure and complex in installation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a modularization spiral stair, includes the stair tread, the welding of one side of stair tread has the connecting piece, and the one side welding that the stair tread was kept away from to the connecting piece has outer tube or interior sleeve pipe, the interval sets up between outer tube and the interior sleeve pipe, and cup joints each other between outer tube and the interior sleeve pipe, all weld on outer tube inner wall and the interior sleeve pipe outer wall has stopper and contact block.

As a further description of the above technical solution:

the outer sleeve and the inner sleeve are fixedly connected through bolts.

As a further description of the above technical solution:

the limiting block and the contact block are located on different horizontal planes, and the horizontal plane where the limiting block is located is higher than the contact block.

As a further description of the above technical solution:

the limiting block is of an M-shaped structure, and two side edges are obliquely arranged.

As a further description of the above technical solution:

the contact block is in a V-shaped structure, and the bottom of the contact block is arranged corresponding to the groove part of the limiting block.

As a further description of the above technical solution:

the position of the limiting block and the contact block corresponds to the included angle between the external stair boards.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, sleeve pipe in cup jointing the top of outer tube, and cup joint the outer tube at inner sheathed tube top including, analogize with this, when reaching suitable height, stop to add up, realize promptly so that the stair highly flexible who is to the not co-altitude floor is adjusted, the application scope of stair has been increased, when demolising stair, with the bolt screw down, and will contact the block roll-off from the recess of stopper, the inside of the interior sleeve pipe outside the outer tube after losing the restriction slides, thereby realize the adjustment of the interval between the sleeve pipe, make in the transportation, the space that occupies is littleer, be convenient for transport.

2. The utility model discloses in, interior sleeve pipe rotates in the inside of first outer tube with first, contact between the stopper behind the welded contact piece on the inner tube outer wall this moment, because the stopper is M shape structure, the contact piece is check square shape structure, contact through the slope limit each other and slide, realize the lifting of interior sleeve pipe internal height in the outer tube, and finally make the bottom joint of contact piece go into the middle recess of outer tube stopper, fix the position of interior sleeve pipe and outer tube through the bolt, with this realization to the regulation of contained angle and height between two stair boards.

Drawings

Fig. 1 shows a top view provided in accordance with an embodiment of the present invention;

fig. 2 illustrates a central sleeve deployment view provided in accordance with an embodiment of the present invention;

fig. 3 shows a central sleeve folding view provided according to an embodiment of the present invention;

fig. 4 illustrates a top view of a center sleeve provided in accordance with an embodiment of the present invention;

fig. 5 illustrates a deployment view of a cannula provided in accordance with an embodiment of the present invention;

illustration of the drawings:

1. an outer sleeve; 2. a stair tread; 3. a connecting member; 4. an inner sleeve; 5. a bolt; 6. a limiting block; 7. and a contact block.

Detailed Description

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

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a modularization spiral stair, including stair tread 2, one side welding of stair tread 2 has connecting piece 3, and connecting piece 3 keeps away from one side welding of stair tread 2 has outer tube 1 or interior sleeve pipe 4, the interval sets up between outer tube 1 and interior sleeve pipe 4, and cup joint each other between outer tube 1 and the interior sleeve pipe 4, all weld on outer tube 1 inner wall and the interior sleeve pipe 4 outer wall have stopper 6 and contact piece 7, through the effect of contact piece 7 with stopper 6, realize to the lifting of height and the change of angle between outer tube 1 and the interior sleeve pipe 4.

Specifically, as shown in fig. 1 to 3, the outer sleeve 1 and the inner sleeve 4 are fixedly connected by a bolt 5, so as to prevent accidents.

Specifically, as shown in fig. 4 and 5, the limiting block 6 and the contact block 7 are located on different horizontal planes, the horizontal plane where the limiting block 6 is located is higher than the contact block 7, the limiting block 6 is of an M-shaped structure, two side edges are obliquely arranged, the contact block 7 is of a check square structure, the bottom of the contact block 7 corresponds to the groove portion of the limiting block 6, the position arrangement of the limiting block 6 and the contact block 7 corresponds to the arrangement of an included angle between the outer stair plates 2, and the size of the included angle between two adjacent stair plates 2 is ensured to be equal.

The working principle is as follows: when the stair is used, the top of the outer sleeve 1 is sleeved with the inner sleeve 4, the top of the inner sleeve 4 is sleeved with the outer sleeve 1, and the rest is done in the same way until the proper height is reached, accumulation is stopped, so that the flexible adjustment of the heights of the stairs of floors with different heights is realized, and the application range of the stairs is enlarged; the first inner sleeve 4 is rotated in the first outer sleeve 1, contact blocks 7 and limit blocks 6 which are welded on the outer wall of the inner sleeve 4 are in contact at the moment, the limit blocks 6 are in an M-shaped structure, the contact blocks 7 are in a V-shaped structure, the lifting of the inner sleeve 4 in the inner part of the outer sleeve 1 is realized through the contact sliding of inclined edges, finally, the bottom end of the contact block 7 is clamped into a middle groove of the limit block 6 of the outer sleeve 1, and the positions of the inner sleeve 4 and the outer sleeve 1 are fixed through bolts 5, so that the adjustment of the included angle and the height between the two stair plates 2 is realized; when demolising stair, with bolt 5 screw down to slide out in the recess of contact piece 7 from stopper 6, the inside of interior sleeve pipe 4 outside sleeve pipe 1 that loses after the restriction slides, thereby realizes the adjustment of the interval between the sleeve pipe, makes in the transportation, and the space that occupies is littleer, the transportation of being convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a modularization spiral stair, includes stair board (2), its characterized in that, one side welding of stair board (2) has connecting piece (3), and one side welding that stair board (2) were kept away from in connecting piece (3) has outer tube (1) or interior sleeve pipe (4), the interval sets up between outer tube (1) and interior sleeve pipe (4), and cup joints each other between outer tube (1) and interior sleeve pipe (4), all weld on outer tube (1) inner wall and interior sleeve pipe (4) outer wall have stopper (6) and contact block (7).

2. Modular spiral staircase according to claim 1, characterised in that the outer casing (1) and the inner casing (4) are fixedly connected by means of bolts (5).

3. A modular spiral staircase according to claim 1, characterised in that the stop blocks (6) and the contact blocks (7) are located on different levels, and that the stop blocks (6) are located at a level higher than the contact blocks (7).

4. A modular spiral staircase according to claim 3, characterised in that said stop blocks (6) are M-shaped and have two inclined sides.

5. A modular spiral staircase as claimed in claim 3, characterised in that said contact blocks (7) have a v-shaped configuration, and in that the bottom of the contact blocks (7) is arranged in correspondence with the recessed portions of the stop blocks (6).

6. A modular spiral staircase according to claim 3, characterised in that the position of the stop blocks (6) and the contact blocks (7) corresponds to the angle between the outer staircase plates (2).