CN214461945U

CN214461945U - High-strength prefabricated staircase

Info

Publication number: CN214461945U
Application number: CN202023048594.3U
Authority: CN
Inventors: 刘虎山; 丁洪波; 张盛; 王瑞
Original assignee: Jiangsu Harmonious World Energy Saving Technology Co ltd
Current assignee: Jiangsu Harmonious World Energy Saving Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-22
Anticipated expiration: 2030-12-17

Abstract

The utility model belongs to the technical field of building engineering, especially, be a prefabricated staircase of high strength, including mobile jib, supporting leg and stair board, the bottom fixedly connected with of mobile jib is to the pipe, there is L shape inserted block one side of mobile jib through bolt fixed mounting No. one, sliding connection is respectively at the inner wall of supporting leg and to the pipe in the surface of L shape inserted block, the joint groove has all been seted up at the top of stair board and mobile jib, the inner wall sliding connection in joint groove has the joint pole, the top fixedly connected with triangle piece of joint pole, the stair board includes the rubber slab, the bottom fixedly connected with main steel sheet of rubber slab. The utility model discloses a cooperation of main steel sheet and vice steel sheet, intensity that can effectual reinforcing stair board through L shape inserted block and the cooperation to the pipe for joint strength between supporting leg and the mobile jib obtains further enhancement, and the effectual stair of having avoided is favorable to very using because the fracture that intensity leads to inadequately.

Description

High-strength prefabricated staircase

Technical Field

The utility model relates to a building engineering technical field specifically is a prefabricated stair of high strength.

Background

The building is used as a component for vertical traffic between floors. The method is 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. In the warring period of China, Italy of 5-16 th century of a stair main rod (1) has been engraved in the heavy house image on a copper ware, and indoor stairs are liberated from the traditional closed space to form a building component with a decorative shape.

The prefabricated staircase on the market at present has following problem:

1. most prefabricated staircases in the current market are not high enough in strength, and are easy to break when used for a long time, so that serious potential safety hazards are brought, and the use is extremely inconvenient;

2. the prefabricated staircase on the existing market mostly lacks effectual drainage, and when stair set up outdoors, rainy day, easy ponding on the stair, and cold weather can freeze to bring serious potential safety hazard, extremely be unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a prefabricated staircase of high strength has solved because the most intensity of prefabricated staircase on the existing market is not enough, when using for a long time, breaks easily, and then brings serious potential safety hazard, the problem of being unfavorable for the use extremely.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prefabricated staircase of high strength, includes mobile jib, supporting leg and stair board, the bottom fixedly connected with of mobile jib is to the pipe, there is L shape inserted block one side of mobile jib through bolt fixed mounting, sliding connection is respectively at the inner wall of supporting leg and butt joint pipe in the surface of L shape inserted block, the joint groove has all been seted up at the top of stair board and mobile jib, the inner wall sliding connection in joint groove has the joint pole, the three hornblocks of top fixedly connected with of joint pole, the stair board includes the rubber slab, the main steel sheet of bottom fixedly connected with of rubber slab, the bottom fixedly connected with cement slab of main steel sheet, the vice steel sheet of bottom fixedly connected with of cement slab, water guide antiskid ribbed tile and wash port have been seted up respectively at the top of stair board.

As an optimized technical scheme of the utility model, the top fixedly connected with fence of mobile jib, the surface of fence is provided with the slipmat.

As an optimal technical scheme of the utility model, the threaded hole is seted up at the top of stair tread, the inner wall sliding connection of three hornblocks has No. two bolts, No. two bolts and threaded hole looks adaptation.

As an optimal technical scheme of the utility model, the top of triangle piece has been seted up and has been hidden the groove, No. two bolts are located the inside of hiding the groove.

As an optimal technical scheme of the utility model, the bottom fixedly connected with antirust coat of vice steel sheet, the antirust coat is iron red alkyd paint.

As an optimized technical scheme of the utility model, the both ends of water guide antiskid groove all are linked together with the wash port, the wash port is circular.

(III) advantageous effects

Compared with the prior art, the utility model provides a prefabricated staircase of high strength possesses following beneficial effect:

1. this prefabricated stair of high strength, through the cooperation of main steel sheet and vice steel sheet, the intensity that can effectual reinforcing stair board through L shape inserted block and the cooperation to the pipe for joint strength between supporting leg and the mobile jib obtains further enhancement, and the effectual fracture of having avoided stair because intensity leads to inadequately very is favorable to using.

2. This prefabricated staircase of high strength, through the cooperation of water guide antiskid groove and wash port, when raining, the rainwater can be discharged through the wash port fast through the guide in water guide antiskid groove, has avoided stair board surface ponding, through setting up the rubber slab for the skid resistance on stair board surface obtains strengthening, stability and security when having strengthened the user and walk, very are favorable to the use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection relationship between the triangular blocks and the clamping rods of the present invention;

fig. 4 is the schematic diagram of the stair board structure of the present invention.

In the figure: 1. a main rod; 2. supporting legs; 3. a stair tread; 301. a rubber plate; 302. a main steel plate; 303. a cement board; 304. a secondary steel plate; 305. a rust-proof layer; 4. a fence; 5. butt-joint pipes; 6. an L-shaped insert block; 7. a first bolt; 8. a triangular block; 9. a clamping and connecting rod; 10. a second bolt; 11. hiding the groove; 12. a threaded hole; 13. a clamping groove; 14. a water guide anti-skid groove; 15. and (4) draining the water.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a prefabricated staircase of high strength, including mobile jib 1, supporting leg 2 and stair board 3, the bottom fixedly connected with of mobile jib 1 is to managing 5, there is L shape inserted block 6 one side of mobile jib 1 through 7 fixed mounting of a bolt, sliding connection is respectively at supporting leg 2 and the inner wall to managing 5 on the surface of L shape inserted block 6, joint groove 13 has all been seted up at stair board 3 and mobile jib 1's top, the inner wall sliding connection of joint groove 13 has joint pole 9, the three hornblocks of top fixedly connected with 8 of joint pole 9, stair board 3 includes rubber slab 301, the main steel sheet 302 of bottom fixedly connected with of rubber slab 301, the bottom fixedly connected with cement slab 303 of main steel sheet 302, the vice steel sheet 304 of bottom fixedly connected with of cement slab 303, water guide antiskid ribbed tile 14 and wash port 15 have been seted up respectively at stair board 3's top.

In this embodiment, through the cooperation of main steel sheet 302 and vice steel sheet 304, can effectual reinforcing stair board 3's intensity, through L shape inserted block 6 and the cooperation to the stay 5, make the joint strength between supporting leg 2 and the mobile jib 1 obtain further enhancement, the effectual fracture of having avoided the stair because intensity leads to inadequately, through the cooperation of water guide antiskid ribbed tile 14 and wash port 15, during rainy, the rainwater can discharge through wash port 15 through the guide of water guide antiskid ribbed tile 14 fast, stair board 3 surface ponding has been avoided, through setting up rubber slab 301, make the skid resistance on stair board 3 surface obtain strengthening, stability and security when having strengthened the user and walked, very be favorable to the use.

Specifically, the top of the main rod 1 is fixedly connected with a fence 4, and the surface of the fence 4 is provided with an anti-slip mat.

In this embodiment, through setting up fence 4, can avoid the user to drop from stair both sides, use safety more.

Specifically, threaded hole 12 is seted up at the top of stair board 3, and the inner wall sliding connection of triangle piece 8 has No. two bolts 10, and No. two bolts 10 and threaded hole 12 looks adaptation.

In this embodiment, through No. two bolts 10 and screw hole 12, can be in the same place stair board 3 and triangle block 8 fixed mounting to promote the stability between stair board 3 and the mobile jib 1, very be favorable to using.

Specifically, the top of the triangular block 8 is provided with a hidden groove 11, and the second bolt 10 is located inside the hidden groove 11.

In this embodiment, hide groove 11 through the setting, can play better guard action to No. two bolts 10, and more pleasing to the eye, very be favorable to the use.

Specifically, the bottom of the auxiliary steel plate 304 is fixedly connected with an anti-rust layer 305, and the anti-rust layer 305 is iron red alkyd paint.

In this embodiment, the iron oxide red alkyd paint is used as the rust-preventive layer 305, so that the rust-preventive property of the stair tread 3 can be effectively improved, and the use is very facilitated.

Specifically, both ends of the water guide anti-slip groove 14 are communicated with the water drain hole 15, and the water drain hole 15 is circular.

In this embodiment, the water guide anti-slip groove 14 is communicated with the water discharge hole 15, so that the water discharge efficiency of the top of the stair tread 3 can be improved, and the use is very facilitated.

The utility model discloses a theory of operation and use flow: when the device is used, the supporting leg 2 is preset at a construction position, the butt joint pipe 5 at the bottom of the main rod 1 is aligned with the supporting leg 2 and pressed in, so that preliminary fixation between the main rod 1 and the supporting leg 2 is achieved, the L-shaped insert block 6 is inserted into the butt joint pipe 5, the L-shaped insert block 6 simultaneously penetrates through the butt joint pipe 5 and the supporting leg 2, so that the fixation strength between the supporting leg 2 and the butt joint pipe 5 is further enhanced, the L-shaped insert block 6 is fixedly arranged on the surface of the main rod 1 by using a first bolt 7, after the installation of the main rod 1 is completed, a user inserts one side of the stair plate 3 aligned with the inner part of the main rod 1, so that preliminary fixation between the stair plate 3 and the main rod 1 is achieved, the clamping rod 9 is aligned with the clamping groove 13 and pressed downwards, the clamping rod 9 penetrates through the stair plate 3 to enter the inner part of the main rod 1, so that the connection between the main rod 1 and the stair plate 3 is further enhanced, a second bolt 10 is rotated, no. two bolts 10 get into inside screw hole 12 for it is fixed to obtain between triangle piece 8 and the stair board 3, through the cooperation of main steel sheet 302 and vice steel sheet 304, make stair board 3 possess splendid rigid intensity, and during the rainy time, the rainwater gets into inside water guide anti-skidding groove 14, and flows to wash port 15 under the guide of water guide anti-skidding groove 14, flows away through wash port 15 at last, and the effectual surface of having avoided stair board 3 produces ponding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prefabricated staircase of high strength, includes mobile jib (1), supporting leg (2) and stair tread (3), its characterized in that: the bottom of the main rod (1) is fixedly connected with a butt joint pipe (5), one side of the main rod (1) is fixedly provided with an L-shaped insert block (6) through a first bolt (7), the surfaces of the L-shaped insertion blocks (6) are respectively connected with the inner walls of the supporting legs (2) and the butt joint pipes (5) in a sliding way, the tops of the stair boards (3) and the main rods (1) are both provided with clamping grooves (13), the inner wall of the clamping groove (13) is connected with a clamping rod (9) in a sliding way, the top of the clamping rod (9) is fixedly connected with a triangular block (8), the stair board (3) comprises a rubber plate (301), the bottom of the rubber plate (301) is fixedly connected with a main steel plate (302), the bottom of the main steel plate (302) is fixedly connected with a cement plate (303), the bottom of the cement plate (303) is fixedly connected with an auxiliary steel plate (304), the top of the stair tread (3) is respectively provided with a water guide anti-skid groove (14) and a water drainage hole (15).

2. A high strength prefabricated staircase according to claim 1, wherein: the top of the main rod (1) is fixedly connected with a fence (4), and the surface of the fence (4) is provided with an anti-slip mat.

3. A high strength prefabricated staircase according to claim 1, wherein: threaded holes (12) are formed in the tops of the stair boards (3), a second bolt (10) is connected to the inner wall of the triangular block (8) in a sliding mode, and the second bolt (10) is matched with the threaded holes (12).

4. A high strength prefabricated staircase according to claim 3, wherein: hidden grooves (11) are formed in the tops of the triangular blocks (8), and the second bolts (10) are located inside the hidden grooves (11).

5. A high strength prefabricated staircase according to claim 1, wherein: the bottom of the auxiliary steel plate (304) is fixedly connected with an anti-rust layer (305), and the anti-rust layer (305) is iron red alkyd paint.

6. A high strength prefabricated staircase according to claim 1, wherein: both ends of the water guide anti-skid groove (14) are communicated with a drain hole (15), and the drain hole (15) is circular.