CN218623017U

CN218623017U - Prefabricated staircase that dry process is connected

Info

Publication number: CN218623017U
Application number: CN202222782909.XU
Authority: CN
Inventors: 陆峰; 刘天晨; 王有为
Original assignee: Shanghai Anyi Finished Construction Technology Co ltd
Current assignee: Shanghai Anyi Finished Construction Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-14
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a prefabricated staircase connected by a dry method, which comprises a staircase structure, a staircase connecting seat, a guardrail structure and a supporting rod, wherein the staircase structure is provided with a prefabricated staircase main body, a buffer connecting piece, an upper connecting block and a lower connecting block, the upper end and the lower end of the prefabricated staircase main body are respectively fixed with the upper connecting block and the lower connecting block, the upper connecting block and the lower connecting block can be lapped on the preset staircase connecting seat, and the upper connecting block and the lower connecting block are locked and fixed with the staircase connecting seat through bolts; the buffering connecting piece is arranged at the upper end of the prefabricated staircase main body and can connect the upper connecting block with the prefabricated staircase main body, the buffering connecting piece comprises a connecting bulge, a cross rod, a buffering elastic piece and a frame shell, the frame shell is embedded at the bottom side of the upper end of the prefabricated staircase main body, the inner side of the frame shell is connected with the cross rod, and the buffering elastic piece is wound on the cross rod. The utility model discloses a bracing piece supports to through set up the protection sideboard outside the main part, utilize a plurality of guardrail structures of installation on the protection sideboard to improve the protectiveness of stair.

Description

Prefabricated staircase that dry process is connected

Technical Field

The utility model relates to a prefabricated staircase field specifically is a prefabricated staircase that dry process is connected.

Background

Compared with cast-in-place stairs, the prefabricated stairs have the advantages that field wet operation can be obviously reduced, quality and appearance are easy to guarantee, the mounting process is simple, the prefabricated stairs tend to be in building structures along with high-speed development of assembly buildings in China, connecting nodes generally adopt embedded bolts in main body structures, holes are reserved at the tops of the prefabricated stairs, and the prefabricated stairs are connected and mounted in a bolt dry connection mode.

Application number CN201920708043.3 discloses an anchoring type connecting structure used between two adjacent groups of prefabricated stairs, and the anchoring type connecting structure is embedded into an L-shaped groove in the bottom of each prefabricated stair through a limiting block, so that dry connection of the prefabricated stairs is achieved. Although current prefabricated staircase can be installed to between stair upper beam and the stair underbeam through the bolt fast, owing to there is still to lack effectual antidetonation structure on the prefabricated staircase, when the earthquake, prefabricated staircase can be because of the displacement of upper beam connecting block and underbeam connecting block and the damage phenomenon that breaks, and then greatly reduced prefabricated staircase's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated stair that dry process is connected to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a prefabricated staircase connected by a dry method comprises a staircase structure, a staircase connecting seat, a guardrail structure and a supporting rod, wherein the staircase structure is provided with a prefabricated staircase main body, a buffer connecting piece, an upper connecting block and a lower connecting block, the upper end and the lower end of the prefabricated staircase main body are respectively fixed with the upper connecting block and the lower connecting block, the upper connecting block and the lower connecting block can be lapped on the preset staircase connecting seat, and the upper connecting block and the lower connecting block are locked and fixed with the staircase connecting seat through bolts; the buffering connecting piece is arranged at the upper end of the prefabricated staircase main body and can connect the upper connecting block with the prefabricated staircase main body, the buffering connecting piece comprises a connecting bulge, a cross rod, a buffering elastic piece and a frame shell, the frame shell is embedded at the bottom side of the upper end of the prefabricated staircase main body, the inner side of the frame shell is connected with the cross rod, and the buffering elastic piece is wound on the cross rod.

Preferably, the middle part of the cross rod is sleeved with a connecting bulge, and the connecting bulge is integrally formed at the end part of the upper connecting block.

Preferably, the upper connecting block and the upper end of the prefabricated staircase body are movably connected through connecting pieces.

Preferably, the bracing piece passes through the angle bar and is fixed in the connecting block, the connecting block outside down, and bracing piece bottom accessible foot stool supports on subaerial.

Preferably, the outer side of the prefabricated staircase main body is further provided with a protective side plate, and the guardrail structures are installed on the protective side plate and distributed at intervals along the moving direction of the prefabricated staircase main body.

Preferably, guardrail structure all includes an outer hurdle frame to and weld in the inboard H type pole of outer hurdle frame, outer hurdle frame bottom is adorned outside the guard edge plate admittedly through the installed part, and will prefabricate stair main part outside enclosure.

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

the utility model discloses a setting has the prefabricated stair of connection buffering, utilize the buffering connecting piece with prefabricated stair main part, go up the connecting block and connect, avoid prefabricated stair main part, go up the condition that the displacement that the rigid connection of connecting block caused breaks the damage, and stair adopt the bracing piece to support moreover, and through set up the protection sideboard outside the main part, install a plurality of guardrail structures on the protection sideboard, utilize the protection nature of guardrail structure improvement stair, and because the guardrail structure is not connected with the stair main part, damage that causes the stair main part when avoiding the guardrail to dismantle.

Drawings

Fig. 1 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 2 is a schematic plan view of the present invention.

In the figure: 1. prefabricating a stair main body; 2. an upper connecting block; 3. a stair connecting seat; 4. a bolt; 5. a connecting projection; 6. a cross bar; 7. a buffer elastic member; 8. a frame case; 9. a support bar; 10. a protective edge plate; 11. a fence frame; 12. an H-shaped rod.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a prefabricated staircase connected by a dry method comprises a staircase structure, a staircase connecting seat 3, a guardrail structure and a supporting rod 9, wherein the staircase structure is provided with a prefabricated staircase main body 1, a buffer connecting piece, an upper connecting block 2 and a lower connecting block, wherein the upper end and the lower end of the prefabricated staircase main body 1 are respectively fixed with the upper connecting block 2 and the lower connecting block, the upper connecting block 2 and the lower connecting block can be lapped on the preset staircase connecting seat 3, and the upper connecting block 2 and the lower connecting block are locked and fixed with the staircase connecting seat 3 through bolts 4; the buffering connecting piece is arranged at the upper end of the prefabricated stair body 1 and can connect the upper connecting block 2 with the prefabricated stair body 1, the buffering connecting piece comprises a connecting bulge 5, a cross rod 6, a buffering elastic piece 7 and a frame shell 8, the frame shell 8 is embedded at the bottom side of the upper end of the prefabricated stair body 1, the inner side of the frame shell 8 is connected with the cross rod 6, and the buffering elastic piece 7 is wound on the cross rod 6.

In this embodiment, the middle of the cross bar 6 is sleeved with a connecting protrusion 5, and the connecting protrusion 5 is integrally formed at the end of the upper connecting block 2.

In this embodiment, go up connecting block 2, prefabricated stair main part 1 upper end still passes through connection piece swing joint.

In this embodiment, the supporting rod 9 is fixed to the outer side of the upper connecting block 2 and the lower connecting block through angle iron, and the bottom end of the supporting rod 9 can be supported on the ground through a foot base.

In this embodiment, the outer side of the prefabricated staircase main body 1 is further provided with a protective side plate 10, and the guardrail structures are installed on the protective side plate 10 and distributed at intervals along the moving direction of the prefabricated staircase main body 1.

In this embodiment, the guardrail structure all includes an outer hurdle frame 11 to and weld in the inboard H type pole 12 of outer hurdle frame 11, and the 11 bottom of outer hurdle frame is adorned outside protection sideboard 10 admittedly through the installed part, and will prefabricate stair main part 1 outside enclosure.

In this embodiment, the aforesaid has the prefabricated stair of connecting the buffering through the setting, utilize the buffering connecting piece with prefabricated stair main part 1, go up connecting block 2 and connect, avoid prefabricated stair main part 1, go up the condition that the displacement that 2 rigid connection of connecting block caused breaks the damage, and stair adopt bracing piece 9 to support, and through set up protection sideboard 10 outside the main part, install a plurality of guardrail structures on the protection sideboard 10, utilize the guardrail structure to improve the protectiveness of stair, and because the guardrail structure is not connected with the stair main part, the damage that causes the stair main part when avoiding the guardrail to dismantle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 prefabricated staircase is characterized by comprising a staircase structure, a staircase connecting seat (3), a guardrail structure and a supporting rod (9), wherein the staircase structure is provided with a prefabricated staircase main body (1), a buffering connecting piece, an upper connecting block (2) and a lower connecting block, the upper end and the lower end of the prefabricated staircase main body (1) are respectively fixedly provided with the upper connecting block (2) and the lower connecting block, the upper connecting block (2) and the lower connecting block can be lapped on the preset staircase connecting seat (3), and the upper connecting block (2) and the lower connecting block are fixedly locked with the staircase connecting seat (3) through bolts (4); prefabricated stair main part (1) upper end is located to the buffering connecting piece, and the buffering connecting piece can be connected last connecting block (2), prefabricated stair main part (1), and the buffering connecting piece is including connecting arch (5), horizontal pole (6), buffering elastic component (7) and frame shell (8), and wherein frame shell (8) inlay and adorn in prefabricated stair main part (1) upper end bottom side, and frame shell (8) inboard even has a horizontal pole (6), and the winding has buffering elastic component (7) on this horizontal pole (6).

2. The dry-connect prefabricated staircase according to claim 1, characterized in that: the middle of the cross rod (6) is sleeved with a connecting bulge (5), and the connecting bulge (5) is integrally formed at the end part of the upper connecting block (2).

3. The dry-connect prefabricated staircase according to claim 1, characterized in that: go up connecting block (2), prefabricated stair main part (1) upper end still through connection piece swing joint.

4. The dry-connect prefabricated staircase according to claim 1, characterized in that: the supporting rod (9) is fixed on the outer sides of the upper connecting block (2) and the lower connecting block through angle iron, and the bottom end of the supporting rod (9) can be supported on the ground through a foot seat.

5. The dry-connect prefabricated staircase according to claim 1, characterized in that: the outer side of the prefabricated staircase main body (1) is further provided with a protective side plate (10), and guardrail structures are installed on the protective side plate (10) and distributed at intervals along the moving direction of the prefabricated staircase main body (1).

6. The dry-method prefabricated staircase according to claim 5, characterized in that: each guardrail structure all includes a fence frame (11) to and weld in H type pole (12) of fence frame (11) inboard, fence frame (11) bottom is adorned outside protection sideboard (10) admittedly through the installed part, and will prefabricate stair main part (1) outside enclosure.