CN219411347U

CN219411347U - Shock insulation stair for assembled building

Info

Publication number: CN219411347U
Application number: CN202223288929.8U
Authority: CN
Inventors: 杨海龙; 陈敏; 张新光; 牛天富
Original assignee: Xinjiang Xinwei Building Integrated Technology Co ltd
Current assignee: Xinjiang Xinwei Building Integrated Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-25
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a shock insulation stair for an assembled building, which comprises an upper beam, a lower beam and a stair main body, wherein a mounting groove is formed at the joint of the upper beam and the lower beam with the stair main body, a connecting seat is fixedly arranged in the mounting groove, two ends of the stair main body are arranged in adjacent connecting seats, a plurality of connecting plates are fixedly connected in the connecting seats through bolts, the bolts are countersunk bolts and are arranged in counter bores of the connecting plates, guide posts are fixedly connected to the side walls of the connecting plates, guide holes matched with the guide posts are formed at the two ends of the stair main body.

Description

Shock insulation stair for assembled building

Technical Field

The utility model relates to the technical field of assembled buildings, in particular to a shock insulation stair for an assembled building.

Background

The stairway of the traditional cast-in-place building structure is generally formed by integrally pouring the stair beams, the stair plates and the platform boards, when the building encounters an earthquake, the stairway is subjected to vertical force and horizontal force, and the nodes of the stair plates and the stair beams are integrally poured, so that the stair plates, the stair plates and the platform boards are easily damaged when resisting the horizontal force, and the structural safety is affected. The stair room of the conventional assembled building structure is formed by prefabricating stair plates, integrally pouring stair beams and platform boards, wherein the prefabricated stair plates are placed on the stair beams to form a simple support structure with one fixed end and one sliding end, and the prefabricated stair can generate displacement under the action of earthquake force and collide with surrounding structures to influence the using function and even destroy the using function. Along with the rapid development of society, the assembled building stairway is increasingly widely applied to buildings, and the stairway is a member for vertical traffic between floors in the buildings.

The application number 201820743813.3 discloses the scheme as follows: the novel shock insulation stair comprises a stair connected between an upper floor slab and a lower floor slab and a shock-resistant mechanism, wherein a positioning clamping groove is formed in the surface of the upper floor slab corresponding to the lower surface of the upper end flat plate of the stair, a steel ball is sleeved in the positioning clamping groove, and the upper end flat plate of the stair is supported on the upper side of the steel ball; meanwhile, a deformation yielding gap is arranged between the back surface of the vertical plate at the upper end of the stair and the vertical surface of the corresponding upper floor plate, and an anti-seismic mechanism is arranged at the position of the deformation yielding gap; meanwhile, the lower floor slab is provided with caulking grooves, a lower flat plate and a lower vertical plate of the stair are matched and sleeved in the corresponding caulking grooves, a positioning clamping groove is formed in the bottom of the lower floor slab caulking groove corresponding to the lower surface of the lower flat plate of the stair, a steel ball is sleeved in the positioning clamping groove, and the lower flat plate of the stair is supported on the upper side of the steel ball; meanwhile, a deformation yielding gap is formed between the back of the vertical plate at the lower end of the stair and the inner vertical surface of the corresponding embedded groove of the lower floor slab, and an anti-seismic mechanism is arranged at the position of the deformation yielding gap, however, as the stair is in a bent shape, the two ends of the stair are inconvenient to install in the deformation yielding gap, and the stair is inconvenient to install, so that the earthquake-proof stair for the assembled building is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide an assembled building earthquake-proof stair so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an assembled shock insulation stair for building, includes upper beam and lower floor's roof beam and stair main part, the mounting groove has been seted up to upper beam and lower floor's roof beam and stair main part junction, fixed mounting has the connecting seat in the mounting groove, stair main part both ends are built-in adjacent connecting seat, through a plurality of connecting plates of bolt fixedly connected with in the connecting seat, the bolt is countersunk in the counter bore of connecting plate for countersunk bolt, connecting plate lateral wall fixedly connected with guide post, the guide hole with guide post looks adaptation has been seted up at stair main part both ends, and guide post one end is built-in the guide hole, and guide post and guide hole sliding connection, the guide post overlaps between connecting plate and stair main part and is equipped with the spring, the connecting seat of upper beam department passes through bolt fixedly connected with first apron, the connecting seat of lower floor beam department passes through bolt fixedly connected with first apron, the stair main part is close to lower floor beam department and has seted up the spout with second apron looks adaptation, second apron one end is built-in the spout, and second apron one end and spout sliding connection.

As a further scheme of the utility model: guard rails are fixedly arranged on two sides of the stair body.

As still further aspects of the utility model: and the inner walls of the mounting grooves formed in the upper beam and the lower beam are fixedly connected with a layer of wear-resistant rubber pad.

As still further aspects of the utility model: the installation groove that sets up on upper beam and the lower floor's roof beam is interior even fixedly connected with a plurality of double-screw bolts, and the double-screw bolt runs through wear-resisting rubber pad, the connecting seat bottom set up with the mounting hole of double-screw bolt looks adaptation, the double-screw bolt runs through the mounting hole, and the double-screw bolt is at connecting seat internal thread coupling nut.

As still further aspects of the utility model: the front end of the first cover plate is fixedly connected with a first rubber strip, and the first rubber strip is tightly attached to the top of the upper end of the stair body.

As still further aspects of the utility model: the outer wall of the stair body is fixedly connected with a second rubber strip at the top of the second cover plate, and the second rubber strip is tightly attached to the top of the second cover plate.

As still further aspects of the utility model: the outer wall of the connecting plate is fixedly connected with a layer of buffer cushion.

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

1. according to the utility model, the connecting seat is placed in the mounting groove formed in the upper beam and the lower beam, the stud fixedly connected in the mounting groove penetrates through the mounting hole and is in threaded connection with the stud through the nut, the connecting seat is mounted in the mounting groove, two ends of the stair body are built in the adjacent connecting seat, and the two ends of the stair body are built in the connecting seat through the first cover plate and the second cover plate to cover the connecting seat, so that the stair is convenient to mount.

2. When the stair body is vibrated, the stair body guide post and the connecting seat shake in the connecting seat under the guide action of the stair body guide post and the connecting seat, the stair body extrudes the spring in the connecting seat and the abrasion-resistant rubber pad matched with the connecting seat and the mounting groove, so that the damage of vibration to the stair body is weakened, and the vibration isolation effect is achieved.

Drawings

Fig. 1 is a schematic structural view of an assembled building earthquake-proof stair.

Fig. 2 is a cross-sectional view of a fabricated building seismic isolation stair.

Fig. 3 is a partial enlarged view at a in fig. 2.

In the figure: 1. an upper beam; 2. a lower beam; 3. a stair body; 4. guard bars; 5. a mounting groove; 6. wear-resistant rubber pad; 7. a first cover plate; 8. a connecting seat; 9. a guide hole; 10. a guide post; 11. a first rubber strip; 12. a spring; 13. a connecting plate; 14. a cushion pad; 15. a stud; 16. a nut; 17. a mounting hole; 18. a second cover plate; 19. a second rubber strip; 20. and a sliding groove.

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. 1-3, in the embodiment of the utility model, an assembled building earthquake-proof stair comprises an upper beam 1, a lower beam 2 and a stair main body 3, wherein a mounting groove 5 is formed at the joint of the upper beam 1 and the lower beam 2 with the stair main body 3, a connecting seat 8 is fixedly installed in the mounting groove 5, two ends of the stair main body 3 are built in adjacent connecting seats 8, a plurality of connecting plates 13 are fixedly connected in the connecting seats 8 through bolts, the bolts are countersunk bolts and are built in counter bores of the connecting plates 13, the side walls of the connecting plates 13 are fixedly connected with guide posts 10, guide holes 9 matched with the guide posts 10 are formed at two ends of the stair main body 3, one end of each guide post 10 is built in each guide hole 9, the guide posts 10 are connected with the guide holes 9 in a sliding mode, springs 12 are sleeved between the connecting plates 13 and the stair main body 3, the connecting seats 8 at the upper beam 1 are fixedly connected with first cover plates 7 through bolts, the connecting seats 8 at the lower beam 2 are fixedly connected with first cover plates 7 through bolts, the stair main body 3 is provided with second cover plates 18 which are matched with second cover plates 20, and second sliding grooves 20 are built in the second sliding grooves 18 are arranged at the positions close to the lower beam 2, and the second cover plates 20 are connected with the second sliding grooves 18.

The guardrail 4 is fixedly installed on two sides of the stair body 3, a threaded hole for installation is formed in the installation position of the guardrail 4, the hanging ring can be installed in the threaded hole, lifting of the stair body 3 is facilitated, and the guardrail 4 protects pedestrians.

The inner walls of the mounting grooves 5 arranged on the upper beam 1 and the lower beam 2 are fixedly connected with a layer of wear-resistant rubber pad 6.

A plurality of studs 15 are uniformly and fixedly connected in the mounting grooves 5 formed in the upper beam 1 and the lower beam 2, the studs 15 penetrate through the wear-resistant rubber pad 6, mounting holes 17 matched with the studs 15 are formed in the bottom of the connecting seat 8, the studs 15 penetrate through the mounting holes 17, and the studs 15 are connected with nuts 16 in the connecting seat 8 in a threaded manner.

The first apron 7 front end fixedly connected with first rubber strip 11, the top of first rubber strip 11 and stair main part 3 upper end closely laminates, stair main part 3 outer wall is at second apron 18 top fixedly connected with second rubber strip 19, second rubber strip 19 closely laminates with second apron 18 top, the setting of first rubber strip 11 and second rubber strip 19 reduces the dust and gets into in the clearance to the sealed of the clearance department of motion when the stair main part 3 vibrations, and avoid pedestrian's clothing to be blocked wherein.

The outer wall of the connecting plate 13 is fixedly connected with a layer of buffer pad 14, and the buffer pad 14 plays a role in buffering when the spring fails 12.

The working principle of the utility model is as follows:

during the use, the connecting seat 8 that stair main part 3 both ends set up are built-in respectively in the mounting groove 5 that upper beam 1 and lower floor beam 2 were seted up, the double-screw bolt 15 of mounting groove 5 internal fixation connection runs through the mounting hole 17 of connecting seat 8 to through nut 16 and double-screw bolt 15 threaded connection, with connecting seat 8 fixed mounting in mounting groove 5, realize the quick installation of stair, when stair main part 3 received vibrations, stair main part 3 rocked under the direction effect of guide post 10 and connecting seat 8, stair main part 3 both ends extrusion spring 12, and stair main part 3 received the friction of connecting seat 8 inner wall and first apron 7, second apron 18, realize the energy-absorbing, and the wear-resisting rubber pad 6 that sets up between cooperation connecting seat 8 and the mounting groove 5 weakens the destruction of vibrations to stair main part 3, play the effect of shock insulation.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an assembled shock insulation stair for building, includes upper beam (1) and lower floor's roof beam (2) and stair main part (3), its characterized in that: the upper beam (1) and the lower beam (2) are connected with the stair main body (3) and are provided with mounting grooves (5), connecting seats (8) are fixedly mounted in the mounting grooves (5), two ends of the stair main body (3) are internally arranged in adjacent connecting seats (8), a plurality of connecting plates (13) are fixedly connected with each other through bolts in the connecting seats (8), the bolts are countersunk holes in the connecting plates (13), the side walls of the connecting plates (13) are fixedly connected with guide posts (10), guide holes (9) matched with the guide posts (10) are formed in two ends of the stair main body (3), one end of each guide post (10) is internally arranged in each guide hole (9), the guide posts (10) are in sliding connection with the guide holes (9), springs (12) are sleeved between the connecting plates (13) and the stair main body (3), the connecting seats (8) at the upper beam (1) are fixedly connected with first cover plates (7) through bolts, the connecting seats (8) at the lower beam (2) are fixedly connected with guide posts (10) through bolts, guide posts (8) are fixedly connected with second cover plates (18) are arranged at the positions close to the first cover plates (20) in the second cover plates (20) respectively, the second cover plates (18) are fixedly connected with the first cover plates (2) through the first cover plates (2) and the second cover plates (18), and the second cover plate (18) is in sliding connection with the chute (20).

2. The fabricated building earthquake-proof stairway according to claim 1, wherein: guard rails (4) are fixedly arranged on two sides of the stair main body (3).

3. The fabricated building earthquake-proof stairway according to claim 1, wherein: the inner walls of the mounting grooves (5) formed in the upper beam (1) and the lower beam (2) are fixedly connected with a layer of wear-resistant rubber pad (6).

4. The fabricated building earthquake-proof stairway according to claim 1, wherein: even fixedly connected with a plurality of double-screw bolts (15) in mounting groove (5) of seting up on upper beam (1) and lower floor's roof beam (2), double-screw bolt (15) run through wear-resisting rubber pad (6), connecting seat (8) bottom set up with mounting hole (17) of double-screw bolt (15) looks adaptation, double-screw bolt (15) run through mounting hole (17), and double-screw bolt (15) at connecting seat (8) internal thread coupling nut (16).

5. The fabricated building earthquake-proof stairway according to claim 1, wherein: the front end of the first cover plate (7) is fixedly connected with a first rubber strip (11), and the first rubber strip (11) is tightly attached to the top of the upper end of the stair body (3).

6. The fabricated building earthquake-proof stairway according to claim 1, wherein: the outer wall of the stair body (3) is fixedly connected with a second rubber strip (19) at the top of the second cover plate (18), and the second rubber strip (19) is tightly attached to the top of the second cover plate (18).

7. The fabricated building earthquake-proof stairway according to claim 1, wherein: the outer wall of the connecting plate (13) is fixedly connected with a layer of buffer pad (14).