CN211850479U - Prefabricated staircase - Google Patents

Abstract

The utility model discloses a prefabricated staircase, which comprises a staircase board, wherein one side of the staircase board is fixedly connected with a first board body, the upper surface of the first board body is symmetrically provided with two limit chutes, the inner side walls of the two limit chutes are all connected with sliders in a sliding way, the adjacent side of the two sliders is fixedly connected with a bottom board, and the repellent side of the two sliders is provided with a roller, in the using process of the device, the device is convenient to be installed and fixed by the combination of the parts such as the staircase board, the first board body, the limit chutes, the sliders, the rollers, the bottom boards, guide grooves, guide wheels, U-shaped boards, threaded rods, fixed plates and the like, and meanwhile, the device is convenient to carry articles on the upstairs or downstairs, carries articles with different sizes, is convenient for users to carry articles on the upstairs or downstairs, and improves the safety of the users when carrying articles on the upstairs or downs, convenient to use, the security is high.

Description

Prefabricated staircase

Technical Field

The utility model relates to a building materials technical field specifically is prefabricated stair.

Background

The stair boards refer to boards between stair rest platforms, and can be a whole board or a plurality of small step boards. The stair plates are classified according to the material and the structural form, and the proper stair plates are designed according to the building construction characteristics of different types of stairs such as beam type stairs, plate type stairs, overhanging type stairs and the like. The stair is classified according to the structural style, and generally divided into beam type stairs, plate type stairs and overhanging stairs. The prefabricated stair board is a better structural form combining prefabrication and cast-in-place concrete, and the laminated floor slab and the upper cast-in-place concrete layer are combined into a whole to work together. The composite floor slab has the advantages of integrity, high rigidity, good crack resistance, no increase of reinforcing steel bar consumption, template saving and the like of a cast-in-place floor slab, and is a representative of prefabricated assembly type building products.

The Chinese patent CN201721129822.5 proposes a prefabricated stair tread, and in the using process, although the prefabricated stair tread is convenient to install and prepare by adjusting the structure of the prefabricated stair tread, and the manufacturing cost is reduced, in the actual using process, inconvenience is brought to users when carrying articles upstairs and downstairs, when carrying heavier articles, the users are difficult to carry, time and labor are wasted, and in the carrying process, the two hands are limited, safety protection is difficult to carry out, and the safety is poor, so that the prefabricated stair is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated staircase 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: the prefabricated staircase comprises a staircase board, wherein a first board body is fixedly connected to one side of the staircase board, two limiting chutes are symmetrically formed in the upper surface of the first board body, the inner side walls of the two limiting chutes are respectively connected with a sliding block in a sliding manner, a bottom board is fixedly connected to one side of the staircase board adjacent to the two sliding blocks, rollers are respectively installed on the sides of the two sliding blocks, the front surface of the first board body is symmetrically formed with two guide grooves, four guide wheels are symmetrically installed on the rear surface of the bottom board, a U-shaped board is fixedly connected to the front surface of the bottom board, a threaded rod is connected to one side of the U-shaped board in a threaded manner, a knob is fixedly connected to one end of the threaded rod, the other end of the threaded rod is rotatably connected with a fixed plate through a bearing, a connecting rod is hinged to the upper surface of the bottom board, the upper surface of first backup pad is fixed with the U-shaped piece, one side of U-shaped piece articulates there is the limiting plate, the lower fixed surface of limiting plate is connected with the spring, the one end of spring with U-shaped piece fixed connection.

As further preferable in the present technical solution: and one side of the fixed plate is bonded with an anti-slip pad.

As further preferable in the present technical solution: and the outer side wall of the handle is sleeved with an anti-slip sleeve.

As further preferable in the present technical solution: the equal fixedly connected with second backup pad in both sides of stair tread, two the equal symmetry fixedly connected with two bodies of rod of lower surface of second backup pad.

As further preferable in the present technical solution: the front surface of the stair tread is fixedly connected with a baffle.

As further preferable in the present technical solution: the upper surface of the baffle is fixedly connected with a handrail.

Compared with the prior art, the beneficial effects of the utility model are that: in the in-process that this device used, through the stair tread, the first plate body, spacing spout, the slider, the gyro wheel, the bottom plate, the guide way, the leading wheel, the U-shaped board, the combination setting of parts such as threaded rod and fixed plate, it is convenient to install this device fixedly, conveniently carry article on upstairs or downstairs simultaneously, carry article to equidimension not and carry out the fixed protection of pertinence, make things convenient for user of service to carry article when upstairs or downstairs, the security when having improved user of service when carrying article upstairs or downstairs, facilitate the use, the security is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the first plate of the present invention;

fig. 4 is a schematic structural diagram of the U-shaped block of the present invention.

In the figure: 1. a stair tread; 2. a first plate body; 3. a limiting chute; 4. a slider; 5. a roller; 6. a base plate; 7. a guide groove; 8. a guide wheel; 9. a U-shaped plate; 10. a threaded rod; 11. a fixing plate; 12. a knob; 13. a non-slip mat; 14. a connecting rod; 15. a handle; 16. an anti-slip sleeve; 17. a first support plate; 18. a U-shaped block; 19. a limiting plate; 20. a spring; 21. a second support plate; 22. a rod body; 23. a baffle plate; 24. a handrail.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a prefabricated staircase comprises a staircase board 1, wherein one side of the staircase board 1 is fixedly connected with a first board body 2, the upper surface of the first board body 2 is symmetrically provided with two limiting chutes 3, the inner side walls of the two limiting chutes 3 are respectively connected with a slide block 4 in a sliding manner, one side adjacent to the two slide blocks 4 is fixedly connected with a bottom board 6, one side of the two slide blocks 4 which repel each other is respectively provided with a roller 5, the front surface of the first board body 2 is symmetrically provided with two guide grooves 7, the rear surface of the bottom board 6 is symmetrically provided with four guide wheels 8, the front surface of the bottom board 6 is fixedly connected with a U-shaped board 9, one side of the U-shaped board 9 is in threaded connection with a threaded rod 10, one end of the threaded rod 10 is fixedly connected with a knob 12, the other end of the threaded rod 10 is rotatably connected with a fixed board 11 through a bearing, the upper surface of the bottom board, the upper surface of first backup pad 17 is fixed and is connected with U-shaped piece 18, and one side of U-shaped piece 18 articulates there is limiting plate 19, and the lower fixed surface of limiting plate 19 is connected with spring 20, and spring 20's one end and U-shaped piece 18 fixed connection.

In this embodiment, specifically: the anti-slip mat 13 is adhered to one side of the fixing plate 11, and the anti-slip mat 13 adhered to the fixing plate 11 is arranged, so that when the fixing plate 11 is used for fixing the conveyed object, the friction force between the fixing plate 11 and the conveyed object is increased, and the conveyed object is more stable in the moving process.

In this embodiment, specifically: the lateral wall of handle 15 has cup jointed anti-skidding sleeve 16, and through the anti-skidding sleeve 16 that the lateral wall of handle 15 cup jointed, when user pulling handle 15, prevent to skid, make things convenient for user of service to use more.

In this embodiment, specifically: the equal fixedly connected with second backup pad 21 in both sides of stair board 1, two body of rods 22 of the equal symmetry fixedly connected with of lower surface of two second backup pads 21, through the setting of second backup pad 21, with the mounted position butt joint, insert the body of rod 22 in the through-hole that the mounted position was reserved, make the fixed of this device more firm.

In this embodiment, specifically: the front surface fixedly connected with baffle 23 of stair board 1 through the setting of baffle 23, uses this device to protect the user, prevents that the user from falling from the edge when using, protects user's safety.

In this embodiment, specifically: the handrail 24 is fixedly connected to the upper surface of the baffle 23, and through the arrangement of the handrail 24, when a user uses the handrail 24, the user can grasp the handrail 24, so that the user can more stably hold the handrail, the balance is better, and the safety of the user is improved.

Working principle or structure principle, when in use, the device is butted with a mounting position through the arrangement of the second support plate 21, the rod body 22 is inserted into a through hole reserved in the mounting position, the fixation of the device is more stable, the device is convenient to mount, when a user needs to carry articles, the articles to be carried are placed on the bottom plate 6, the articles to be carried are limited in position through the U-shaped plate 9, the rotary knob 12 drives the threaded rod 10 to push the fixed plate 11 to fix the carried articles on the bottom plate 6, in the rotating process of the threaded rod 10, the threaded rod 10 is rotatably connected with the fixed plate 11 through the bearing, when the threaded rod 10 drives the fixed plate 11 to move, the fixed plate 11 only can generate position deviation, the position can not be moved, the carried articles can be conveniently extruded and fixed, through the arrangement of the anti-skid pad 13 bonded with the fixed plate 11, when the fixed plate 11 fixes the carried articles, the friction force between the fixing plate 11 and the carried objects is increased to make the carried objects more stable in the moving process, then the handle 15 is pulled to drive the bottom plate 6 to move through the connecting rod 14, the bottom plate 6 slides in the guide groove 7 through the guide wheel 8 to play a role of guiding, and simultaneously the friction force between the bottom plate 6 and the first plate body 2 is reduced, so that the movement is convenient, meanwhile, the position of the bottom plate 6 is limited through the arrangement of the slide block 4 and the limit slide groove 3, and simultaneously, the friction force between the bottom plate 6 and the first plate body 2 is further reduced, so that the objects on the bottom plate 6 are conveniently carried, the anti-skidding sleeve 16 sleeved on the outer side wall of the handle 15 prevents skidding when a user pulls the handle 15, the use is more convenient for the user, after the user reaches the top of the stair plate 1, the handle 15 is clamped in the U-shaped block 18, the position of the bottom plate 6 is limited, so that, the position is regulated by the stopper plate 19, and when the handle 15 is taken out, the stopper plate 19 is pressed to take out the handle 15, and the stopper plate 19 is returned by the spring 20.

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 (6)

1. Prefabricated staircase, including stair tread (1), its characterized in that: one side of the stair board (1) is fixedly connected with a first board body (2), the upper surface of the first board body (2) is symmetrically provided with two limiting sliding grooves (3), the inner side walls of the two limiting sliding grooves (3) are respectively and slidably connected with a sliding block (4), one side of the two sliding blocks (4) adjacent to each other is fixedly connected with a bottom board (6), one sides of the two sliding blocks (4) which repel each other are respectively provided with a roller (5), the front surface of the first board body (2) is symmetrically provided with two guide grooves (7), the rear surface of the bottom board (6) is symmetrically provided with four guide wheels (8), the front surface of the bottom board (6) is fixedly connected with a U-shaped board (9), one side of the U-shaped board (9) is in threaded connection with a threaded rod (10), one end of the threaded rod (10) is fixedly connected with a knob (12), and the other end of the threaded, the upper surface of bottom plate (6) articulates there is connecting rod (14), the one end fixedly connected with handle (15) of connecting rod (14), the last fixed surface of stair tread (1) is connected with first backup pad (17), the last fixed surface of first backup pad (17) is connected with U-shaped piece (18), one side of U-shaped piece (18) articulates there is limiting plate (19), the lower fixed surface of limiting plate (19) is connected with spring (20), the one end of spring (20) with U-shaped piece (18) fixed connection.

2. The prefabricated staircase of claim 1, wherein: and one side of the fixed plate (11) is bonded with an anti-skid pad (13).

3. The prefabricated staircase of claim 1, wherein: and an anti-skid sleeve (16) is sleeved on the outer side wall of the handle (15).

4. The prefabricated staircase of claim 1, wherein: the equal fixedly connected with second backup pad (21) in both sides of stair tread (1), two the equal symmetry fixedly connected with two body of rod (22) of lower surface of second backup pad (21).

5. The prefabricated staircase of claim 1, wherein: the front surface of the stair board (1) is fixedly connected with a baffle (23).

6. The prefabricated staircase of claim 5, wherein: the upper surface of the baffle plate (23) is fixedly connected with a handrail (24).

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