CN215484192U

CN215484192U - Steel structure stair convenient to disassemble

Info

Publication number: CN215484192U
Application number: CN202122105277.9U
Authority: CN
Inventors: 苏旻
Original assignee: Wuhan Waimao Technology Co ltd
Current assignee: Wuhan Waimao Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-11
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a conveniently-disassembled steel-structure stair which comprises a stair body, wherein a connecting plate is arranged at the rear of the top end of the stair body, a mounting groove is formed in the connecting plate, a fixing plate is arranged at the bottom of the stair body, an extrusion rod is arranged in the bottom end of the fixing plate, a bearing plate is connected to the bottom of the rear end of the stair body, a connecting rod is connected to the front of the supporting rod, a first steel frame is arranged behind the supporting rod, and a second steel frame is arranged on the right side of the first steel frame. This convenient steel structure stair of dismantling, back in the fixed plate inserts the mounting groove, can twist the stripper bar with fixed plate threaded connection, can make the stripper bar towards the inside slope trough-shaped structure that slides of fixed plate and extrudees the inside setting of movable block, make the movable block drive the locating piece monomer respectively towards controlling both ends and slide, make things convenient for the stable connection between fixed plate and the connecting plate, also convenient to detach when making things convenient for to assemble fast between the stair body.

Description

Steel structure stair convenient to disassemble

Technical Field

The utility model relates to the technical field of steel-structure stairs, in particular to a steel-structure stair convenient to disassemble.

Background

In the construction process of building, can use steel structure stair to build between upper and lower floor usually in choosing high apartment house or villa, supply the user to walk from top to bottom, along with the continuous popularization of steel structure stair, people also more and more strict to the requirement of steel structure stair, but the steel structure stair on the existing market still have following problem:

1. the existing steel-structured stairs are inconvenient to install and disassemble quickly, influence the construction speed and have poor practicability;

2. conventional steel constructs stair, and the bearing capacity is not high, has certain potential safety hazard in the in-process of daily use.

Aiming at the problems, the novel design is carried out on the basis of the original steel structure stair.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel-structure stair convenient to disassemble, and aims to solve the problems that when a top plate of a terminal is opened, a baffle plate usually occupies a large space, the terminal is inconvenient to store, and internal hardware is easy to damage when the terminal is impacted, so that the subsequent use of the hardware is influenced, and the service life of the terminal is shortened due to the lack of a protection mechanism for protecting the hardware.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a convenient steel structure stair of dismantling, includes the stair body, the top rear of stair body is provided with the connecting plate, and the inside of connecting plate has seted up the mounting groove, the bottom of stair body is provided with the fixed plate, and the bottom internally mounted of fixed plate has the stripper bar, the rear end bottom of stair body is connected with the loading board, and installs the bracing piece in the below of loading board, the place ahead of bracing piece is connected with the connecting rod, and the connecting rod is connected with the stair body through first bolt, first steelframe is installed to the rear of bracing piece, and the bracing piece is connected through the second bolt with first steelframe, the second steelframe is installed on the right side of first steelframe.

Preferably, the stair body is integrative family structure with connecting plate fixed connection, and the mounting groove is equidistant setting in the inside of connecting plate to the fixed plate is the one-to-one setting with the mounting groove.

Preferably, the fixed plate is connected with the extrusion rod in a threaded manner, a cavity structure is formed in the fixed plate, the left and right of the fixed plate are symmetrically provided with the positioning blocks, and the positioning blocks form a telescopic structure in the fixed plate.

Preferably, the locating piece is located the inside one end of fixed plate and is connected with the movable block fixed connection, and the locating piece is provided with reset spring with the one end outside that the movable block is connected to the movable block, and the movable block is close to the inside slope trough-shaped structure of having seted up of one end of extrusion pole.

Preferably, the connection mode of loading board and bracing piece is the welding, and the longitudinal section of bracing piece is zigzag structure to the bracing piece passes through the connecting rod and constitutes dismantlement structure with the stair body.

Preferably, the inclination degree of the lower half part of the supporting rod is the same as the inclination degrees of the first steel frame and the second steel frame, and the connecting mode of the supporting rod and the first steel frame and the second steel frame is bolt connection.

Compared with the prior art, the utility model has the beneficial effects that: the steel-structure stair convenient to disassemble is provided with a plurality of steel-structure stairs,

1. by arranging the fixing plate, the extrusion rod and the positioning block, after the fixing plate is inserted into the mounting groove, the extrusion rod in threaded connection with the fixing plate can be screwed, the extrusion rod can slide towards the inside of the fixing plate and extrude an inclined groove-shaped structure arranged inside the movable block, so that the movable block drives the positioning block monomer to slide towards the left end and the right end respectively, the stable connection between the fixing plate and the connecting plate is facilitated, and the rapid assembly between the stair bodies is facilitated while the disassembly is facilitated;

2. through setting up the bracing piece, first steelframe and second steelframe, bracing piece through the dogleg structure, can improve the bearing capacity of stair body, and the degree of slope of the latter half of bracing piece is the same with the degree of slope homogeneous phase of first steelframe and second steelframe, makes things convenient for first steelframe and second steelframe to be connected with the bracing piece, connects into a whole with stair body monomer, the bearing capacity of the stair that can strengthen greatly, convenient to use.

Drawings

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

FIG. 2 is a schematic view of the overall rear view structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the fixing plate and the positioning block according to the present invention;

FIG. 4 is a schematic view of the connection structure of the positioning block and the movable block of the present invention.

In the figure: 1. a stair body; 2. a connecting plate; 3. mounting grooves; 4. a fixing plate; 5. an extrusion stem; 6. positioning blocks; 7. a return spring; 8. a movable block; 9. a carrier plate; 10. a support bar; 11. a connecting rod; 12. a first bolt; 13. a first steel frame; 14. a second bolt; 15. and a second steel frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 3 and fig. 4, the present invention provides a technical solution: a steel structure stair convenient to disassemble comprises a stair body 1, a connecting plate 2 can be arranged behind the top end of the stair body 1 in order to facilitate the installation and the disassembly of the stair, mounting grooves 3 are formed in the connecting plate 2, a fixing plate 4 is arranged at the bottom of the stair body 1, the stair body 1 and the connecting plate 2 are fixedly connected to form an integral structure, the mounting grooves 3 are arranged in the connecting plate 2 at equal intervals, the fixing plate 4 and the mounting grooves 3 are arranged in a one-to-one correspondence manner, extrusion rods 5 are arranged in the bottom end of the fixing plate 4, the fixing plate 4 is connected with the extrusion rods 5 through bolts, a cavity-shaped structure is formed in the fixing plate 4, positioning blocks 6 are symmetrically arranged on the left side and the right side of the fixing plate 4, the positioning blocks 6 form a telescopic structure in the fixing plate 4, and one ends, located in the fixing plate 4, of the positioning blocks 6 are fixedly connected with movable blocks 8, be provided with reset spring 7 in the one end outside that locating piece 6 and movable block 8 are connected, and the movable block 8 is close to the inside slope trough-shaped structure of having seted up of one end of 5, through rotating the extrusion stem 5 with 4 threaded connection of fixed plate, make extrusion stem 5 slide and extrude the inside slope trough-shaped structure of movable block 8, make movable block 8 drive locating piece 6 and slide and stretch out, make things convenient for the stable connection between fixed plate 4 and the connecting plate 2, also convenient to detach when carrying out quick assembly between the convenient stair body 1.

Referring to fig. 1, 2 and 3, in order to improve the load-bearing capacity of the staircase, a bearing plate 9 is connected to the bottom of the rear end of a staircase body 1, a support rod 10 is installed below the bearing plate 9, a connecting rod 11 is connected to the front of the support rod 10, the bearing plate 9 and the support rod 10 are connected by welding, the longitudinal section of the support rod 10 is of a zigzag structure, the support rod 10 and the staircase body 1 form a detachable structure by the connecting rod 11, the connecting rod 11 is connected to the staircase body 1 by a first bolt 12, a first steel frame 13 is installed behind the support rod 10, the support rod 10 and the first steel frame 13 are connected by a second bolt 14, a second steel frame 15 is installed on the right side of the first steel frame 13, the inclination degree of the lower half of the support rod 10 is the same as the inclination degree of the first steel frame 13 and the second steel frame 15, and the connection modes of the support rod 10 and the first steel frame 13 and the second steel frame 15 are both bolted, the purpose of improving the bearing capacity of the stairs can be achieved through the support rods 10 with the zigzag structures and the first steel frame 13 and the second steel frame 15 connected with the support rods.

The working principle is as follows: when the steel-structure stair convenient to disassemble is used, firstly, in the process of assembling and splicing the stair bodies 1, the fixed plate 4 is inserted into the mounting groove 3 formed in the connecting plate 2 at the top end of the other stair body 1, the extrusion rod 5 in threaded connection with the fixed plate 4 is twisted to rotate through a tool such as a wrench and the like, the extrusion rod 5 slides towards the inside of the fixed plate 4 and extrudes an inclined groove-shaped structure formed in the movable block 8, the movable block 8 drives the positioning block 6 to slide towards the left end and the right end respectively, the stable connection between the fixed plate 4 and the connecting plate 2 is facilitated, and the rapid assembling and the disassembling of the stair bodies 1 are facilitated;

with bracing piece 10 through connecting rod 11 and first bolt 12 fixed connection in stair body 1's rear, and make loading board 9 laminate in stair body 1's top lower surface, bracing piece 10 through the dogleg structure, can improve stair body 1's bearing capacity, and the slope degree of the latter half of bracing piece 10 is the same with the slope degree of first steelframe 13 and second steelframe 15, make things convenient for first steelframe 13 and second steelframe 15 to pass through second bolt 14 and bracing piece 10 fixed connection, connect stair body 1 monomer into a whole, the bearing capacity of stair that can strengthen greatly, be convenient for the use of steel structure stair, above just be the working process of whole device, and the content that does not make detailed description in this description all belongs to the known prior art of skilled person in the art.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient steel that dismantles constructs stair, includes stair body (1), its characterized in that: the utility model discloses a stair body, including stair body (1), connecting plate (2), mounting groove (3) have been seted up to the top rear of stair body (1), and the inside of connecting plate (2) has seted up mounting groove (3), the bottom of stair body (1) is provided with fixed plate (4), and the bottom internally mounted of fixed plate (4) has stripper bar (5), the rear end bottom of stair body (1) is connected with loading board (9), and installs bracing piece (10) below of loading board (9), the place ahead of bracing piece (10) is connected with connecting rod (11), and connecting rod (11) are connected with stair body (1) through first bolt (12), first steelframe (13) are installed at the rear of bracing piece (10), and bracing piece (10) are connected through second bolt (14) with first steelframe (13), second steelframe (15) are installed on the right side of first steelframe (13).

2. The steel structure stair of convenient dismantlement of claim 1, characterized in that: stair body (1) is integrative family structure with connecting plate (2) fixed connection, and mounting groove (3) are equidistant setting in the inside of connecting plate (2) to fixed plate (4) are the one-to-one setting with mounting groove (3).

3. The steel structure stair of convenient dismantlement of claim 1, characterized in that: the connecting mode of the fixing plate (4) and the extrusion rod (5) is threaded connection, a cavity-shaped structure is arranged inside the fixing plate (4), the positioning blocks (6) are symmetrically arranged on the left and right of the fixing plate (4), and the positioning blocks (6) form a telescopic structure inside the fixing plate (4).

4. A steel structure stair convenient to dismantle according to claim 3, characterized in that: the positioning block (6) is located one end inside the fixing plate (4) and is fixedly connected with the movable block (8), a return spring (7) is arranged on the outer side of one end, connected with the movable block (8), of the positioning block (6), and an inclined groove-shaped structure is formed in one end, close to the extrusion rod (5), of the movable block (8).

5. The steel structure stair of convenient dismantlement of claim 1, characterized in that: the connection mode of loading board (9) and bracing piece (10) is the welding, and the longitudinal section of bracing piece (10) is zigzag structure to bracing piece (10) constitute through connecting rod (11) and stair body (1) and dismantle the structure.

6. The steel structure stair of convenient dismantlement of claim 1, characterized in that: the inclination degree of the lower half portion of the supporting rod (10) is identical to the inclination degrees of the first steel frame (13) and the second steel frame (15), and the connecting mode of the supporting rod (10) and the first steel frame (13) and the second steel frame (15) is bolt connection.