Indoor assembly type stair

Abstract

The utility model discloses an indoor assembly type stair, and relates to the technical field of building construction. The indoor assembly type staircase comprises a staircase structure, a lap joint structure is arranged at the bottom of the staircase structure, the staircase structure comprises two side plates, pedals are movably inserted between the two side plates, and handrails are fixedly installed at the top ends of the side plates. According to the indoor fabricated staircase, by arranging the lap joint structure, the top end and the bottom end of the staircase structure can be reinforced in an auxiliary mode through the first mounting beam and the second mounting beam, so that the staircase structure and an original building structure are quickly spliced through the first mounting beam and the second mounting beam; and transition between the stair structure and an original building structure is more stable, so that the fabricated stair is not affected when being connected with the building structure, and then the mounting efficiency of the fabricated stair is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and particularly relates to an indoor assembled staircase. Background Technique

[0002] An assembled staircase refers to a form in which staircase components are prefabricated in a factory and then transported to the site for assembly and installation. Compared with traditional in-situ cast concrete staircases, assembled staircases have the following characteristics: high efficiency and speed, quality controllability, environmental friendliness, flexible design, and convenient maintenance. Generally speaking, assembled staircases have advantages in construction efficiency, quality control, and environmental friendliness. Among them, indoor assembled staircases are an assembled staircase system used in indoor spaces.

[0003] After retrieval, in the assembled staircase with the patent publication number CN219569399U, it is proposed that "the assembled staircase fittings have a simple structure, are convenient to process, can be produced standardly. At the same time, the assembled staircase is simple and flexible to assemble, and ordinary workers can complete the installation, reducing the construction types and shortening the project duration. Moreover, the assembled staircase can also be disassembled and reused."

[0004] However, there are still certain deficiencies in the above scheme in actual use. In this scheme, the tread board is assembled through the stringer, but connection structures are not provided at the top and bottom of the stringer, resulting in a certain impact on the connection between the assembled staircase and the building structure, thereby reducing the installation efficiency of the assembled staircase. Content of the Utility Model

[0005] The utility model provides an indoor assembled staircase to solve the problems in the background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme: An indoor assembled staircase, including a staircase structure, a lapping structure is arranged at the bottom of the staircase structure. The staircase structure includes two side plates, a tread board is movably inserted between the two side plates, and a handrail is fixedly installed at the top of the side plate.

[0007] The lapping structure includes a first installation beam and a second installation beam, a bent support rod is fixedly installed between the first installation beam and the second installation beam, the first installation beam is fixedly installed on the back side of the side plate, and the second installation beam is fixedly installed at the bottom end of the side plate.

[0008] A landing is arranged on the front side of the second installation beam, splicing grooves are respectively opened inside the second installation beam and the landing, the openings of the two splicing grooves face each other and are combined to form a splicing notch, and a splicing pin is movably inserted into the splicing notch.

[0009] Further, an installation groove is formed inside the side plate. A connecting pin is movably inserted into the installation groove. The connecting pin extends to the inside of the side end of the pedal. A cover is movably clamped at the opening of the installation groove.

[0010] Further, a connecting notch is formed on the back side of the side plate. The back side of the side plate is movably clamped with the front side of the first installation beam through the connecting notch.

[0011] Further, a connecting rod is fixedly connected to the outer side of the bent support rod. The other end of the connecting rod is fixedly installed on the back side of the side plate.

[0012] Further, a damping spring is arranged on the outer side of the second installation beam. A movable cover is fixedly installed at the movable end of the damping spring. The movable cover is located at the opening of the splicing notch.

[0013] Compared with the prior art, the present utility model provides an indoor prefabricated staircase, which has the following

[0014] beneficial effects:

[0015] For this indoor prefabricated staircase, by setting the lapping structure, the top and bottom of the staircase structure can be assisted and reinforced by using the first installation beam and the second installation beam, so that the first installation beam and the second installation beam can quickly complete the splicing between the staircase structure and the original building structure, making the transition between the staircase structure and the original building structure more stable, so that the prefabricated staircase is not affected when connected to the building structure, thereby improving the installation efficiency of the prefabricated staircase. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic diagram of the staircase structure of the present utility model;

[0018] Figure 3 is a schematic diagram of the lapping structure of the present utility model;

[0019] Figure 4 is an exploded view of the structure of the second installation beam of the present utility model.

[0020] In the figure: 1. Staircase structure; 101. Side plate; 102. Installation groove; 103. Pedal; 104. Connecting pin; 105. Cover; 106. Handrail; 107. Connecting notch; 2. Lapping structure; 201. First installation beam; 202. Second installation beam; 203. Bent support rod; 204. Connecting rod; 205. Landing; 206. Splicing groove; 207. Splicing pin; 208. Movable cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4 , the present utility model discloses an assembled staircase for indoor use, including a staircase structure 1, and a lapping structure 2 is arranged at the bottom of the staircase structure 1.

[0023] The staircase structure 1 includes two side plates 101, a tread 103 is movably inserted between the two side plates 101, a handrail 106 is fixedly installed at the top end of the side plate 101, an installation groove 102 is opened inside the side plate 101, a connecting pin 104 is movably inserted inside the installation groove 102, the connecting pin 104 extends to the inside of the side end of the tread 103, and a cover 105 is movably clamped at the opening of the installation groove 102.

[0024] The lapping structure 2 includes a first installation beam 201 and a second installation beam 202, a bent support rod 203 is fixedly installed between the first installation beam 201 and the second installation beam 202, the first installation beam 201 is fixedly installed on the back side of the side plate 101, and the second installation beam 202 is fixedly installed at the bottom end of the side plate 101;

[0025] A landing 205 is arranged on the front side of the second installation beam 202, splicing grooves 206 are opened inside both the second installation beam 202 and the landing 205, the openings of the two splicing grooves 206 face each other and are combined to form a splicing notch, and a splicing pin 207 is movably inserted inside the splicing notch.

[0026] By arranging the lapping structure 2, the top end and the bottom end of the staircase structure 1 can be assisted and reinforced by using the first installation beam 201 and the second installation beam 202, so that the first installation beam 201 and the second installation beam 202 can quickly complete the splicing between the staircase structure 1 and the original building structure, making the transition between the staircase structure 1 and the original building structure more stable, so that the assembled staircase is not affected when being connected to the building structure, thereby improving the installation efficiency of the assembled staircase.

[0027] Specifically, a connecting notch 107 is opened on the back side of the side plate 101, and the back side of the side plate 101 is movably clamped with the front side of the first installation beam 201 through the connecting notch 107.

[0028] In this implementation scheme, the connecting notch 107 can be quickly connected with the first installation beam 201 by using the connecting notch 107.

[0029] Specifically, a connecting rod 204 is fixedly connected to the outer side of the bent support rod 203, and the other end of the connecting rod 204 is fixedly installed on the back side of the side plate 101.

[0030] In this embodiment, the connecting rod 204 is used to enable the bent support rod 203 to assist in lifting the bottom end of the side plate 101.

[0031] Specifically, a damping spring is arranged on the outer side of the second installation beam 202, and a movable cover 208 is fixedly installed at the movable end of the damping spring. The movable cover 208 is located at the opening of the splicing notch.

[0032] In this embodiment, the automatic resilience of the damping spring can prompt the movable cover 208 to automatically slide on the side of the second installation beam 202, so that the movable cover 208 covers the opening of the splicing notch, further improving the insertion stability of the splicing pin 207.

[0033] During use, first, the splicing grooves 206 opened in the second installation beam 202 and the rest platform 205 are mutually butted so that the two splicing grooves 206 form a splicing notch. Then, the splicing pin 207 is inserted into the splicing notch formed by the two splicing grooves 206, so that the splicing pin 207 enters the splicing notch, combining the second installation beam 202 and the rest platform 205. Moreover, the automatic resilience of the damping spring can prompt the movable cover 208 to automatically slide on the side of the second installation beam 202, so that the movable cover 208 covers the opening of the splicing notch, further improving the insertion stability of the splicing pin 207;

[0034] Subsequently, the first installation beam 201 and the second installation beam 202 are respectively connected to the original building structure, completing the installation between the staircase structure 1 and the original building structure.

[0035] In summary, for this indoor prefabricated staircase, by setting the lapping structure 2, the first installation beam 201 and the second installation beam 202 can assist in strengthening the top and bottom ends of the staircase structure 1, enabling the first installation beam 201 and the second installation beam 202 to quickly complete the splicing between the staircase structure 1 and the original building structure, making the transition between the staircase structure 1 and the original building structure more stable, so that the connection of this prefabricated staircase to the building structure is not affected, thereby improving the installation efficiency of this prefabricated staircase.

[0036] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled staircase for indoor use, comprising a staircase structure (1), characterized in that: A lapping structure (2) is provided at the bottom of the stair structure (1). The stair structure (1) includes two side plates (101), and a tread (103) is movably inserted between the two side plates (101). An armrest (106) is fixedly installed at the top end of the side plate (101). The lapping structure (2) includes a first mounting beam (201) and a second mounting beam (202). A bent support rod (203) is fixedly installed between the first mounting beam (201) and the second mounting beam (202). The first mounting beam (201) is fixedly installed on the back side of the side plate (101), and the second mounting beam (202) is fixedly installed at the bottom end of the side plate (101). A landing (205) is provided on the front side of the second mounting beam (202). Splicing grooves (206) are formed inside both the second mounting beam (202) and the landing (205). The openings of the two splicing grooves (206) face each other and form a splicing notch. A splicing pin (207) is movably inserted into the splicing notch.

2. The prefabricated staircase for indoor use according to claim 1, wherein: An installation groove (102) is formed inside the side plate (101). A connecting pin (104) is movably inserted into the installation groove (102). The connecting pin (104) extends into the side end interior of the tread (103). A cover (105) is movably clamped at the opening of the installation groove (102).

3. The prefabricated staircase for indoor use according to claim 1, wherein: A connecting notch (107) is formed on the back side of the side plate (101). The back side of the side plate (101) is movably clamped with the front side of the first mounting beam (201) through the connecting notch (107).

4. The prefabricated staircase for indoor use according to claim 1, characterized in that: A connecting rod (204) is fixedly connected to the outer side of the bent support rod (203). The other end of the connecting rod (204) is fixedly installed on the back side of the side plate (101).

5. An indoor prefabricated staircase according to claim 1, characterized in that: A damping spring is provided on the outer side of the second mounting beam (202). The movable end of the damping spring is fixedly installed with a movable cover (208). The movable cover (208) is located at the opening of the splicing notch.

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