CN212153949U

CN212153949U - Assembled stair for building

Info

Publication number: CN212153949U
Application number: CN202020423029.1U
Authority: CN
Inventors: 王雪飞; 刘宇; 杨军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-29
Filing date: 2020-03-29
Publication date: 2020-12-15
Anticipated expiration: 2030-03-29

Abstract

The utility model discloses an assembled stair for building, which comprises a stair step, a first connecting plate, a second connecting plate, an internal thread sleeve, a threaded rod, a lifting lug, a fixing sleeve, a fixing block and bolt holes, wherein the first connecting plate and the second connecting plate are respectively fixed at the two ends of the stair step, and the first connecting plate, the second connecting plate and the stair step are integrally formed by concrete pouring, the internal thread sleeve is symmetrically pre-embedded at the two ends of the stair step, the threaded rod is connected with the internal thread sleeve through the thread in the internal thread sleeve, the lifting lug is fixed at the top of the threaded rod, the fixing sleeve is pre-embedded at one side of the upper surface of the stair step at equal distance, the fixing block is symmetrically welded at the top of the fixing sleeve, the bolt holes are arranged in the middle part of the fixing block, positioning bulges are symmetrically fixed on the lower surfaces of, this assembled stair for building is convenient for the location installation of stair, and is convenient for the change of stair railing, and the people of being convenient for use.

Description

Assembled stair for building

Technical Field

The utility model relates to an assembled stair technical field specifically is an assembled stair for building.

Background

With the development and requirements of building energy conservation and emission reduction and housing industrialization, the advantages of the assembled structure are paid attention again. The prefabricated concrete technology can shorten the construction period, reduce the cost, ensure the quality of the building, save energy and resources and reduce the adverse effect of building waste on the environment through factory prefabrication and field assembly. The prefabricated assembly type structure system is the mainstream of the international residential building industry development, the assembly type stair is the main component of the assembly type building, the existing assembly type stair is simple in structure and inconvenient to install, and most stair handrails are welded on the stair and are inconvenient to replace. Therefore, the assembled stair for the building is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembled stair for building to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an assembled stair for building, includes that stair mark time, first connecting plate, second connecting plate, interior thread bush, threaded rod, lug, fixed sleeve, fixed block and bolt hole, the both ends of stair marking time are fixed with first connecting plate and second connecting plate respectively, and first connecting plate, second connecting plate and stair mark time and be concrete integrated into one piece, the both ends symmetry of stair marking time is pre-buried to have interior thread bush, interior thread bush inner wall threaded connection has the threaded rod, the threaded rod top is fixed with the lug, stair mark time upper surface one side equidistance pre-buried to have fixed sleeve, the symmetrical welding in fixed sleeve top has the fixed block, the bolt hole has been seted up at the fixed block middle part.

Preferably, the lower surfaces of the first connecting plate and the second connecting plate are symmetrically fixed with positioning protrusions, mounting holes are symmetrically formed in the two ends of the first connecting plate and the two ends of the second connecting plate, and the mounting holes penetrate through the positioning protrusions.

Preferably, the upper surface of the stair step is equidistantly fixed with anti-slip strips.

Preferably, the bottom of the positioning protrusion is provided with a chamfer.

Preferably, the inner side of the fixing block is arranged in an arc shape.

Compared with the prior art, the beneficial effects of the utility model are that:

when the installation, through including the threaded rod spiral, then hang the lug through the loop wheel machine and hang stair step to the installation region, make the location arch of first connecting plate and second connecting plate bottom and the mounted position block of the constant head tank of reserving on the building, and the mounting hole fixes first connecting plate and second connecting plate on the building, people make at the installation handrail, insert the stand of handrail fixed sleeve inner wall, then insert the bolt hole on the fixed block through the bolt, fix the stand of handrail, be convenient for people's later stage change handrail at any time, the location installation of stair of being convenient for of this device, and the change of the stair handrail of being convenient for, be convenient for people to use.

Drawings

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

FIG. 2 is a schematic view of the positioning protrusion structure of the present invention;

FIG. 3 is a schematic view of the fixing block structure of the present invention;

fig. 4 is the structural schematic diagram of the lifting lug of the present invention.

In the figure: 1. stair stepping; 2. a first connecting plate; 3. a second connecting plate; 4. an internally threaded sleeve; 5. a threaded rod; 6. lifting lugs; 7. fixing the sleeve; 8. a fixed block; 9. bolt holes; 10. positioning the projection; 11. mounting holes; 12. and (4) an anti-slip strip.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an assembled stair for building, includes that stair mark time 1, first connecting plate 2, second connecting plate 3, internal thread sleeve 4, threaded rod 5, lug 6, fixed sleeve 7, fixed block 8 and

bolt hole

9, 1 both ends of stair mark time are fixed with first connecting plate 2 and second connecting plate 3 respectively, and first connecting plate 2, second connecting plate 3 and stair mark time 1 and be concrete integrated into one piece, 1 both ends symmetry of stair mark time is pre-buried to have

internal thread sleeve

4, 4 inner wall threaded connection of internal thread sleeve have threaded

rod

5, 5 tops of threaded rod are fixed with

lug

6, 1 upper surface one side equidistance of stair mark time is pre-buried to have fixed

sleeve

7, 7 top symmetric welding of fixed sleeve has fixed block 8, bolt hole 9 has been seted up at the middle part of fixed block 8.

The lower surface symmetry of first connecting plate 2 and second connecting plate 3 is fixed with location arch 10, mounting hole 11 has been seted up to first connecting

plate

2 and 3 both ends symmetries of second connecting plate, and mounting hole 11 passes location arch 10, the location installation of the first connecting plate 2 of being convenient for and second connecting plate 3.

The anti-skidding strips 12 are fixed on the upper surface of the stair step 1 at equal intervals, so that the anti-skidding performance of the surface of the stair step 1 is improved.

The bottom of the positioning bulge 10 is provided with a chamfer, so that the positioning bulge 10 can be conveniently clamped into a positioning groove reserved on a building.

8 inboards of fixed block are the arc setting, and the fixed block 8 of being convenient for is laminated with the stair railing stand more, improves stability.

The working principle is as follows: when the handrail is installed, the threaded rod 5 is screwed on the inner wall of the inner threaded sleeve 4, then the stair step 1 is hung to an installation area through the lifting lug 6 hung by the crane, the positioning protrusions 10 at the bottoms of the first connecting plate 2 and the second connecting plate 3 are clamped with installation positions of positioning grooves reserved on a building, the first connecting plate 2 and the second connecting plate 3 are fixed on the building through the installation holes 11, after the installation is completed, the threaded rod 5 is screwed out, the inner threaded sleeve 4 is blocked by concrete, when the handrail is installed, a user inserts the upright post of the handrail into the inner wall of the fixing sleeve 7, then inserts the upright post of the handrail into the bolt hole 9 in the fixing block 8 through the bolt, fixes the upright post of the handrail, and facilitates the later-stage replacement of the handrail at any time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides an assembled stair for building, includes stair step (1), first connecting plate (2), second connecting plate (3), internal thread sleeve (4), threaded rod (5), lug (6), fixed sleeve (7), fixed block (8) and bolt hole (9), its characterized in that: stair (1) both ends of marking time are fixed with first connecting plate (2) and second connecting plate (3) respectively, and first connecting plate (2), second connecting plate (3) and stair mark time (1) and be concrete integrated into one piece and pour the shaping, stair mark time (1) both ends symmetry pre-buried have internal thread sleeve (4), internal thread sleeve (4) inner wall threaded connection has threaded rod (5), threaded rod (5) top is fixed with lug (6), stair mark time (1) upper surface one side equidistance pre-buried have fixed sleeve (7), fixed sleeve (7) top symmetry welding has fixed block (8), bolt hole (9) have been seted up at fixed block (8) middle part.

2. The fabricated stairway for construction as claimed in claim 1, wherein: positioning protrusions (10) are symmetrically fixed on the lower surfaces of the first connecting plate (2) and the second connecting plate (3), mounting holes (11) are symmetrically formed in the two ends of the first connecting plate (2) and the second connecting plate (3), and the mounting holes (11) penetrate through the positioning protrusions (10).

3. The fabricated stairway for construction as claimed in claim 1, wherein: anti-slip strips (12) are fixed on the upper surface of the stair step (1) at equal intervals.

4. The fabricated stairway for construction as claimed in claim 2, wherein: and a chamfer is arranged at the bottom of the positioning bulge (10).

5. The fabricated stairway for construction as claimed in claim 1, wherein: the inner side of the fixing block (8) is arranged in an arc shape.