CN219033837U

CN219033837U - Column-free rotary stair

Info

Publication number: CN219033837U
Application number: CN202223431273.0U
Authority: CN
Inventors: 蔡颖华; 陈建纯; 谭丽珊; 梁锐涧
Original assignee: Guangzhou Zhimei Interior Design Consulting Co ltd
Current assignee: Guangzhou Zhimei Interior Design Consulting Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-16
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of rotary stairways, and discloses a column-free rotary stairway, which comprises a spiral mounting plate, a supporting plate, a stair plate, supporting legs, an arc top baffle and handrails, wherein fixing mechanisms are arranged on the surfaces of the spiral mounting plate, the supporting plate, the stair plate, the supporting legs, the arc top baffle and the handrails, and L-shaped connecting plates are arranged on the front surface and the rear surface of the spiral mounting plate. The L-shaped connecting plate is fixedly connected with the ground through the screw rod, so that the bottom of the stair can be firmly supported with the ground; the supporting legs are fixedly connected with the spiral mounting plate through the fixing blocks and the bolts, so that the supporting legs can stably support the armrests; the safety protection of the stairs is greatly improved by arranging the arc top baffle; the connecting plate is fastened and connected with the connecting surface of the stair top by the screw II, so that the stair top can be more firmly connected with the connecting surface of the stair; the clamping blocks are clamped in the reserved clamping grooves on the connecting surface of the stair, so that the whole stair is firmer.

Description

Column-free rotary stair

Technical Field

The utility model relates to the technical field of rotary stairways, in particular to a column-free rotary stairway.

Background

The rotating stairway is commonly referred to as a spiral or helical stairway, and is typically arranged around a single column. The streamline shape is attractive and elegant, and the space is saved, so that the streamline shape is popular. Spiral stairs are usually arranged around a single column, with a circular plane. The platform and the steps are fan-shaped planes, the width of the inner sides of the steps is small, a steep gradient is formed, the walking is unsafe, and the structure is complex. The rotary stairway is a middle column rotary stairway, and only one stress point, namely the center stress, exists.

The utility model provides a rotatory stair among the prior art mainly is including the rotatory stair of center pillar steel reinforcement cage, and the tip of stair flier has overlap joint structure, and a plurality of stair fliers upwards overlap joint through the first level of respective overlap joint structure and first level stagger in order along horizontal circumferencial direction, and a plurality of stair fliers form multistage layer of marking time. The rotary stair is rotationally assembled around a central shaft, the central shaft is long, a central shaft base is required to be installed firstly during installation, and then the stair tread is installed, and high-strength concrete still needs to be poured in between. The rotary stairway is complex to assemble, requires support of the center pillar, and cannot be reused. For this purpose, it is necessary to provide a column-free rotary stairway.

Disclosure of Invention

The present utility model is directed to a column-free rotary stair for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the column-free rotary stair comprises a spiral mounting plate, a supporting plate, stair plates, supporting legs, arc top baffles and handrails, wherein fixing mechanisms are arranged on the surfaces of the spiral mounting plate, the supporting plate, the stair plates, the supporting legs, the arc top baffles and the handrails;

the front and back surfaces of the spiral mounting plate are respectively provided with an L-shaped connecting plate, the two L-shaped connecting plates are identical in arrangement, the surface of the L-shaped connecting plate at the front end is inserted with a screw rod, the front and back surfaces of the spiral mounting plate are fixedly connected with the surface of the L-shaped connecting plate through the screw rod, the left and right surfaces of the supporting leg are provided with fixing blocks, the two fixing blocks are identical in arrangement, the connecting surface of the fixing block at the front end is fixedly connected with the left and right surfaces of the supporting leg, the front surface of the fixing block is provided with a bolt, the fixed block is connected with the front side of the spiral mounting plate through bolt fastening, the stair tread bottom surface is provided with an L-shaped supporting block, the L-shaped supporting block connecting surface is connected with the stair tread bottom surface and the inner wall of the spiral mounting plate through bolt fastening, the stair tread bottom surface is provided with a supporting plate, the top surface of the supporting plate is fixedly connected with the stair tread bottom surface, the inner wall of the spiral mounting plate is provided with a top block, and the top block connecting surface is connected with the inner wall of the spiral mounting plate through bolt fastening.

Preferably, the spiral mounting plate inner wall is fixedly connected with the front surface and the back surface of the support plate and the front surface and the back surface of the stair plate respectively, and the spiral mounting plate inner wall is fixedly connected with the front surface and the back surface of the support plate and the front surface and the back surface of the stair plate respectively, so that the support plate and the stair plate can be more stable.

Preferably, the bottom surface of the supporting plate is fixedly connected with the top surface of the stair board, the top surface of the supporting plate is fixedly connected with the bottom surface of the stair board, and the stability of the stair board is enhanced through the connection of the supporting plate and the stair board.

Preferably, the front surface and the rear surface of the spiral mounting plate are fixedly connected with the connecting surfaces of the supporting legs, the connecting surfaces between the supporting legs are fixedly connected with the left surface and the right surface of the arc top baffle, and the connecting surfaces between the supporting legs are fixedly connected with the left surface and the right surface of the arc top baffle, so that the protection performance of the arc top baffle is enhanced.

Preferably, the supporting leg top surface is provided with handle installation cover, handle installation cover bottom surface and supporting leg top surface fixed connection, handle installation cover inner wall and handrail surface fixed connection are through handle installation cover inner wall and handrail surface fixed connection for the handle can firm support at the supporting leg top surface.

Preferably, the top layer the backup pad openly is provided with the connecting rod, the connecting rod is followed with the positive fixed connection of top layer backup pad, the connecting rod bottom surface is provided with the fixture block, fixture block top surface and connecting rod bottom surface fixed connection are through reserving the draw-in groove with the fixture block joint in the stair joint face for the stair is whole more firm.

Preferably, the spiral mounting plate is provided with the connecting plate on front and back two sides, two the connecting plate sets up the same, and the front end the connecting plate openly is provided with screw rod two, the connecting plate openly passes through screw rod two fastening connection with spiral mounting plate openly, through with the connecting plate with screw rod two with stair top junction surface fastening connection for the stair top can be more firm with the stair junction surface.

Preferably, part of the bottom surface of the armrest is fixedly connected with the top surface of the supporting leg, and the stability of the armrest is further improved through the part of the bottom surface of the armrest and the top surface of the supporting leg.

Compared with the prior art, the utility model has the beneficial effects that: according to the column-free rotary stair, the L-shaped connecting plate is fixedly connected with the ground through the screw rod, so that the bottom of the stair can be stably supported with the ground; the supporting legs are fixedly connected with the spiral mounting plate through the fixing blocks and the bolts, so that the supporting legs can stably support the armrests; the safety protection of the stairs is greatly improved by arranging the arc top baffle; the connecting plate is fastened and connected with the connecting surface of the stair top by the screw II, so that the stair top can be more firmly connected with the connecting surface of the stair; the clamping blocks are clamped in the reserved clamping grooves on the connecting surface of the stair, so that the whole stair is firmer.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a top view of the overall three-dimensional structure of the present utility model;

FIG. 3 is a bottom view of the overall three-dimensional structure of the present utility model;

fig. 4 is a schematic view of a part of the structure of the fixing mechanism of the present utility model.

In the figure: spiral mounting panel 1, backup pad 2, stair board 3, supporting leg 4, arc top baffle 5, handrail 6, fixed establishment 7, L connecting plate 701, screw 702, fixed block 703, connecting plate 704, screw two 705, L supporting block 706, layer board 707, kicking block 708, handle installation cover 8, connecting rod 9, fixture block 10.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a no post rotation type stair, includes spiral mounting panel 1, backup pad 2, stair board 3, supporting leg 4, arc top baffle 5 and handrail 6, and spiral mounting panel 1 inner wall and backup pad 2 two sides and stair board 3 two sides fixed connection around, backup pad 2 bottom surface and one deck stair board 3 top surface fixed connection, backup pad 2 top surface and two deck stair board 3 bottom surface fixed connection. The front surface and the back surface of the spiral mounting plate 1 are fixedly connected with the connecting surfaces of the supporting legs 4, the connecting surfaces between the supporting legs 4 are fixedly connected with the left surface and the right surface of the arc top baffle 5, through the arrangement of the arc top baffle 5, the safety protection performance of the stair is greatly improved, the top surface of the supporting legs 4 is provided with a handle mounting sleeve 8, the bottom surface of the handle mounting sleeve 8 is fixedly connected with the top surface of the supporting legs 4, the inner wall of the handle mounting sleeve 8 is fixedly connected with the surface of the handrail 6, the bottom surface of part of the handrail 6 is fixedly connected with the top surface of the supporting legs 4, the front surface of the top supporting plate 2 is provided with a connecting rod 9, the back surface of the connecting rod 9 is fixedly connected with the front surface of the top supporting plate 2, the top surface of the clamping block 10 is fixedly connected with the bottom surface of the connecting rod 9, and the clamping block 10 is clamped in a reserved clamping groove on the connecting surface of the stair, so that the whole stair is more stable, and the surfaces of the spiral mounting plate 1, the supporting plate 2, the stair plate 3, the supporting legs 4, the arc top baffle 5 and the handrail 6 are provided with fixing mechanisms 7;

the front and back sides of the spiral mounting plate 1 are provided with L-shaped connecting plates 701, the two L-shaped connecting plates 701 are arranged identically, the surface of the front end L-shaped connecting plate 701 is inserted with a screw 702, the front and back sides of the spiral mounting plate 1 are connected with the surface of the L-shaped connecting plate 701 through the screw 702, the bottom of the stair can be firmly supported with the ground through the screw 702 which is connected with the L-shaped connecting plate 701, the left and right sides of the supporting leg 4 are provided with fixing blocks 703, the two fixing blocks 703 are arranged identically, the connecting surface of the front end fixing block 703 is fixedly connected with the left and right sides of the supporting leg 4, the front side of the fixing block 703 is provided with bolts, the front side of the fixing block 703 is connected with the front side of the spiral mounting plate 1 through the bolts, the supporting leg 4 is firmly connected with the spiral mounting plate 1 through the fixing block 703 and the bolts, the supporting leg 4 can firmly support the handrail 6, the front and back two sides of spiral mounting panel 1 are provided with connecting plates 704, two connecting plates 704 set up the same, front end connecting plate 704 openly is provided with screw rod two 705, connecting plate 704 openly passes through screw rod two 705 fastening connection with spiral mounting panel 1 openly, through with connecting plate 704 with screw rod two 705 and stair top junction surface fastening connection, make the stair top can be more firm with the stair junction surface, stair board 3 bottom surface is provided with L type supporting shoe 706, L type supporting shoe 706 junction surface passes through bolt fastening connection with stair board 3 bottom surface and spiral mounting panel 1 inner wall, stair board 3 bottom surface is provided with layer board 707, layer board 707 top surface and stair board 3 bottom surface fixed connection, spiral mounting panel 1 inner wall is provided with kicking block 708, kicking block 708 junction surface passes through bolt fastening connection with spiral mounting panel 1 inner wall.

During the use, with L type connecting plate 701 with screw rod 702 and ground fastening connection to pass through bolt fastening connection with spiral mounting panel 1, make stair bottom can with ground firm support, further with supporting leg 4 with fixed block 703 and bolt and spiral mounting panel 1 fastening connection, further guarantee the support of supporting leg 4 to handrail 6, be connected arc top baffle 5 with supporting leg 4, the people makes the protectiveness of stair have the improvement when using, with connecting plate 704 with screw rod two 705 and stair top junction surface fastening connection, reserve the draw-in groove with fixture block 10 joint in the stair junction surface, accomplish the stair installation.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a no post rotation type stair, includes spiral mounting panel (1), backup pad (2), stair tread (3), supporting leg (4), arc top baffle (5) and handrail (6), its characterized in that: the surface of the spiral mounting plate (1), the supporting plate (2), the stair plates (3), the supporting legs (4), the arc top baffle plate (5) and the handrail (6) is provided with a fixing mechanism (7);

the utility model discloses a stair climbing device, including spiral mounting panel (1), screw mounting panel (1), fixed block (703) connecting surface, screw mounting panel (1) front and back two sides all are equipped with L type connecting plate (701), two L type connecting plate (701) are equipped with, front end L type connecting plate (701) are the same, the front end L type connecting plate (701) are equipped with the bolt, the front of fixed block (703) is connected with both sides fixed connection about supporting leg (4) with screw mounting panel (706) are openly passed through bolt fastening with screw mounting panel (1), stair tread (3) bottom surface and screw mounting panel (1) inner wall pass through bolt fastening connection, stair tread (3) bottom surface are provided with fixed block (707), stair tread (708) are connected with screw mounting panel (1) through bolt fastening connection, stair tread (708) are connected with screw mounting panel (708).

2. A column-less rotary stairway according to claim 1, characterised in that: the inner wall of the spiral mounting plate (1) is fixedly connected with the front and back surfaces of the supporting plate (2) and the front and back surfaces of the stair plates (3) respectively.

3. A column-less rotary stairway according to claim 1, characterised in that: the bottom surface of the supporting plate (2) is fixedly connected with the top surface of the first-layer stair plate (3), and the top surface of the supporting plate (2) is fixedly connected with the bottom surface of the second-layer stair plate (3).

4. A column-less rotary stairway according to claim 1, characterised in that: the front surface and the rear surface of the spiral mounting plate (1) are fixedly connected with the connecting surfaces of the supporting legs (4), and the connecting surfaces between the supporting legs (4) are fixedly connected with the left surface and the right surface of the arc top baffle plate (5).

5. A column-less rotary stairway according to claim 1, characterised in that: the supporting leg (4) top surface is provided with handle installation cover (8), handle installation cover (8) bottom surface and supporting leg (4) top surface fixed connection, handle installation cover (8) inner wall and handrail (6) surface fixed connection.

6. A column-less rotary stairway according to claim 1, characterised in that: the top layer the backup pad (2) openly is provided with connecting rod (9), connecting rod (9) back and top layer backup pad (2) openly fixed connection, connecting rod (9) bottom surface is provided with fixture block (10), fixture block (10) top surface and connecting rod (9) bottom surface fixed connection.

7. A column-less rotary stairway according to claim 1, characterised in that: the front and rear sides of the spiral mounting plate (1) are provided with connecting plates (704), the two connecting plates (704) are identical in arrangement, the front end of each connecting plate (704) is provided with a screw rod II (705), and the front of each connecting plate (704) is fixedly connected with the front of the spiral mounting plate (1) through the screw rod II (705).

8. A column-less rotary stairway according to claim 1, characterised in that: part of the bottom surface of the armrest (6) is fixedly connected with the top surface of the supporting leg (4).