Fabricated stair structure device

Abstract

The utility model relates to the field of assembly type stairs, and discloses an assembly type stair structure device. The device comprises a base, a first supporting column, a handrail reinforcing rod, a rotating platform and a second supporting column, the lower end of the second supporting column is fixedly connected with the upper end of the base, and the rear side of the lower end of the rotating platform is fixedly connected with the upper end of the first supporting column; a movable pedal mechanism is arranged at the lower end of the handrail reinforcing rod; a pedal is arranged at the upper end of the movable pedal mechanism; the stair is moved through the lifting wheels, the universal wheels are driven to move upwards through the hydraulic rods after movement is completed, the stair is placed and supported through the base, the position of the limiting sliding block is adjusted through sliding of the limiting sliding block and the limiting rods, the limiting sliding block is fixed through the limiting threaded nails after adjustment, and therefore the pedals are adjusted; after adjustment, the baffles of different sizes are installed according to the height between the pedals, during installation, fixing is conducted through connection of threaded nails, threaded holes and second threaded holes, and therefore gaps between the pedals are protected.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of prefabricated staircases, in particular to a prefabricated staircase structure device. BACKGROUND

[0002] The prefabricated staircase is a staircase assembled by prefabricated parts on the construction site. The advantage of this staircase is that the construction speed is fast, the climate condition is less restricted, the labor is saved and the construction quality is improved. The combination of a plurality of continuous steps or a plurality of continuous steps and a flat plate between two platforms, the prefabricated concrete staircase can be divided into plate type staircase and beam plate type staircase. The prefabricated staircase is one of the important elements in building engineering. The prefabricated staircase is directly fixed and connected to the house through a plurality of bolts, which is convenient for building operation and improves work efficiency.

[0003] According to the search of the patent file CN 214575218 U, a prefabricated staircase includes a plurality of groups of upper platforms and a plurality of groups of staircase segments which are detachably connected from top to bottom. The lower surface of the upper platform is connected with a plurality of support columns. The staircase segment includes two parallel side plates and a plurality of steps for walking up and down. The side close to the stepped part when walking up and down is the stepping end. The step is rotationally connected between the two side plates, and the step and the side plate are in interference fit. A plurality of blocking pieces are fixed between the two side plates. The blocking piece abuts against the step and blocks the step from rotating downward on the side close to the stepping end. The application has the effect of not needing to reinstall the step and the side plate during assembly, and the prefabricated staircase is easier to install.

[0004] However, the inventor has found that the technical solution still has at least the following defects:

[0005] After the assembly of the staircase, there is a certain gap between the adjacent two steps, which has a safety hazard, and the height of the staircase step cannot be adjusted. CONTENT OF THE UTILITY MODEL

[0006] The purpose of the present application is to solve the problems mentioned above, and to provide a prefabricated staircase structure device.

[0007] The technical solution adopted by the present application is as follows: a prefabricated staircase structure device, comprising a base, a support column one is fixedly connected to the rear upper end of the base, a handrail reinforcing rod is fixedly connected to the front upper end of the base, a rotating platform is fixedly connected to the rear end of the handrail reinforcing rod, a support column two is fixedly connected to the front lower end of the rotating platform, the lower end of the support column two is fixedly connected to the upper end of the base, and the lower rear end of the rotating platform is fixedly connected to the upper end of the support column one; an activity step mechanism is arranged at the lower end of the handrail reinforcing rod, and a step is arranged at the upper end of the activity step mechanism.

[0008] By adopting the above technical scheme, the stairs are moved through the lifting wheels, and after the movement is completed, the universal wheels are driven to move up through the hydraulic rods, the stairs are placed and supported by the base, the position of the limiting sliding block is adjusted through the sliding of the limiting sliding block and the limiting rod, and after the adjustment, the limiting sliding block is fixed through the limiting threaded nails, so that the tread is adjusted, and after the adjustment, the baffle of different sizes is installed according to the height between the treads, and during the installation, the threaded nails, the threaded holes and the threaded holes two are connected to be fixed, so that the gap of the tread is protected.

[0009] In a preferred embodiment, the movable tread mechanism comprises a limiting rod, the outer end of the limiting rod is slidingly connected with a limiting sliding block, a plurality of limiting holes are formed on the two sides of the limiting rod, a limiting threaded nail is threadedly connected with the two sides of the limiting sliding block, and the limiting threaded nail is matched with the limiting hole.

[0010] By adopting the above technical scheme, the limiting sliding block at different positions is fixed through the limiting hole and the limiting threaded nail, and the tread can be fixed.

[0011] In a preferred embodiment, the opposite inner side of the limiting sliding block is fixedly connected with a connecting cross rod, and the upper end of the connecting cross rod is fixedly connected with the lower end of the tread.

[0012] By adopting the above technical scheme, the connecting cross rod can fix and support the tread.

[0013] In a preferred embodiment, the upper end of the tread is fixedly connected with a baffle, a plurality of threaded holes are formed in the front end of the baffle, a baffle is arranged at the rear end of the baffle, a threaded nail is threadedly connected in the threaded hole, and a threaded hole two matched with the threaded nail is formed in the front lower end of the baffle.

[0014] By adopting the above technical scheme, when the tread is moved with the movement of the limiting sliding block, the rear upper side of the tread is protected by replacing the baffles of different heights, so that the articles are prevented from falling from the gap.

[0015] In a preferred embodiment, the opposite inner side of the base is fixedly connected with a cover plate, and the lower end of the cover plate is fixedly connected with four lifting wheels at the corners.

[0016] By adopting the above technical scheme, the cover plate is used to protect the upper end of the base.

[0017] In a preferred embodiment, the lifting wheel comprises a hydraulic rod and a universal wheel, the upper end of the hydraulic rod is fixedly connected with the lower end of the cover plate, and the universal wheel is fixedly connected with the lower end of the hydraulic rod.

[0018] By adopting the above technical scheme, the hydraulic rod drives the universal wheel to move down, so that the stairs are moved.

[0019] Therefore, by adopting the technical scheme, the application has the beneficial effects:

[0020] In the application, the stairs are moved by the lifting wheels, and after the movement is completed, the universal wheels are driven by the hydraulic rods to move upward, the base supports the stairs, the position of the limiting sliding block is adjusted through the sliding of the limiting sliding block and the limiting rod, and after the adjustment, the limiting sliding block is fixed by the limiting threaded peg, so that the tread is adjusted, and after the adjustment, the different sizes of the baffle are installed according to the height between the treads, and during the installation, the threaded peg, the threaded hole and the threaded hole two are connected to be fixed, so that the gap of the tread is protected; through the cooperation of the above structure, the interval between the two steps is protected, and the height of the steps is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure of the application is shown in the figure;

[0022] Figure 2 The internal structure of the application is shown in the figure;

[0023] Figure 3 The front view of the application is shown in the figure;

[0024] Figure 4 The structure of the limiting sliding block and the connecting cross bar in the application is shown in the figure.

[0025] Markings in the figure: 1, base; 2, support column one; 3, support column two; 4, with rotating platform; 5, handrail reinforcing rod; 6, movable tread mechanism; 601, limiting rod; 602, limiting hole; 603, limiting sliding block; 604, limiting threaded peg; 605, connecting cross bar; 7, lifting wheel; 8, tread; 9, edge strip; 10, threaded hole; 11, baffle; 12, threaded peg; 13, cover plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the application more clear, the technical scheme in the embodiments of the application will be described clearly and completely below in combination with the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.

[0027] Embodiment:

[0028] Reference Figures 1-4A prefabricated stair structure device, comprising a base 1, a support column one 2 fixedly connected to the rear side of the upper end of the base 1, a handrail reinforcing rod 5 fixedly connected to the front side of the upper end of the base 1, a rotating platform 4 fixedly connected to the rear end of the handrail reinforcing rod 5, a support column two 3 fixedly connected to the front side of the lower end of the rotating platform 4, the lower end of the support column two 3 is fixedly connected to the upper end of the base 1, and the lower end of the rotating platform 4 is fixedly connected to the upper end of the support column one 2; the lower end of the handrail reinforcing rod 5 is provided with a movable pedal mechanism 6, and the upper end of the movable pedal mechanism 6 is provided with a pedal 8; the stairs are moved through lifting wheels 7, and after the movement is completed, the stairs are placed and supported by the base 1, the position of the limiting sliding block 603 is adjusted through the sliding of the limiting sliding block 603 and the limiting rod 601, and after the adjustment, the limiting sliding block 603 is fixed through the limiting threaded nails 604, so that the pedal 8 is adjusted, and after the adjustment, different sizes of the baffle 11 are installed according to the height between the pedals 8, and during the installation, the baffle 11 is fixed through the connection of the threaded nails 12, threaded holes 10 and threaded holes two, so that the gap of the distance between the pedals 8 is protected.

[0029] Referring to Figures 1-4 , the movable pedal mechanism 6 comprises a limiting rod 601, the outer end of the limiting rod 601 is slidably connected with a limiting sliding block 603, a plurality of limiting holes 602 are formed in the two sides of the limiting rod 601, the two sides of the limiting sliding block 603 are threadedly connected with limiting threaded nails 604, the limiting threaded nails 604 are matched with the limiting holes 602, and the limiting holes 602 and the limiting threaded nails 604 are used for fixing the limiting sliding block 603 at different positions, so that the pedal 8 can be fixed.

[0030] Referring to Figures 1-4 , the opposite inner sides of the limiting sliding block 603 are fixedly connected with a connecting cross rod 605, the upper end of the connecting cross rod 605 is fixedly connected with the lower end of the pedal 8, and the connecting cross rod 605 can fixedly support the pedal 8.

[0031] Referring to Figures 1-4 , the upper end of the pedal 8 is fixedly connected with a side strip 9, a plurality of threaded holes 10 are formed in the front end of the side strip 9, the rear end of the side strip 9 is provided with a baffle 11, the threaded holes 10 are threadedly connected with threaded nails 12, and the front side of the lower end of the baffle 11 is provided with a threaded hole two matched with the threaded nails 12; when the pedal 8 is moved and changed along with the movement of the limiting sliding block 603, the rear end of the pedal 8 is protected by replacing baffles 11 of different heights, so that the articles are prevented from falling from the gap.

[0032] Referring to Figures 1-4 , the opposite inner sides of the base 1 are fixedly connected with a cover plate 13, the lower end of the cover plate 13 is fixedly connected with four lifting wheels 7, and the cover plate 13 is used for protecting the upper end of the base 1.

[0033] Referring toFigures 1-4 The lifting wheel 7 comprises a hydraulic rod and a universal wheel, the upper end of the hydraulic rod is fixedly connected with the lower end of the cover plate 13, the universal wheel is fixedly connected with the lower end of the hydraulic rod, the hydraulic rod drives the universal wheel to move downward, thereby facilitating the movement of the stairs.

[0034] The implementation principle of the embodiment of the assembled stair structure device is:

[0035] In use, the stairs are moved to the placement position by the lifting wheel 7, then the universal wheel is driven to move upward by the hydraulic rod of the lifting wheel 7, the stairs are placed and supported by the base 1, the base 1 is fixed, then the sliding limiting block 603 is fixed by the sliding of the limiting rod 601 and the limiting screw 604, thereby the tread plate 8 is adjusted, after the adjustment, the baffle 11 of different sizes is installed according to the height between the tread plates 8, the installation is fixed by the connection of the threaded screw 12, the threaded hole 10 and the second threaded hole, thereby the gap of the interval of the tread plate 8 is protected; by the cooperation of the above structure, the interval between the two steps is protected and the height of the steps is adjusted.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A prefabricated stair structure arrangement comprising a base (1), characterized in that: The upper end rear side of the base (1) is fixedly connected with a support column one (2), the upper end front side of the base (1) is fixedly connected with a handrail reinforcing rod (5), the rear end of the handrail reinforcing rod (5) is fixedly connected with a rotating platform (4), the lower end front side of the rotating platform (4) is fixedly connected with a support column two (3), the lower end of the support column two (3) is fixedly connected with the upper end of the base (1), the lower end rear side of the rotating platform (4) is fixedly connected with the upper end of the support column one (2), the lower end of the handrail reinforcing rod (5) is provided with a movable pedal mechanism (6), and the upper end of the movable pedal mechanism (6) is provided with a pedal (8).

2. A modular stair structure assembly as claimed in claim 1, wherein: The movable pedal mechanism (6) comprises a limiting rod (601), the outer end of the limiting rod (601) is slidably connected with a limiting sliding block (603), a plurality of limiting holes (602) are formed in the two sides of the limiting rod (601), the two sides of the limiting sliding block (603) are threadedly connected with limiting threaded pegs (604), and the limiting threaded pegs (604) are matched with the limiting holes (602).

3. A modular stair structure assembly as claimed in claim 2, wherein: The opposite inner sides of the limiting sliding block (603) are fixedly connected with a connecting cross rod (605), and the upper end of the connecting cross rod (605) is fixedly connected with the lower end of the pedal (8).

4. The prefabricated stair structure apparatus as claimed in claim 1, wherein: The upper end rear side of the pedal (8) is fixedly connected with a batten (9), a plurality of threaded holes (10) are formed in the front end of the batten (9), the rear end of the batten (9) is provided with a baffle (11), the inside of the threaded hole (10) is threadedly connected with a threaded peg (12), and the front side lower end of the baffle (11) is provided with a threaded hole two matched with the threaded peg (12).

5. A modular stair structure assembly as claimed in claim 1, wherein: The opposite inner sides of the base (1) are fixedly connected with a cover plate (13), and the lower end four corners of the cover plate (13) are fixedly connected with lifting wheels (7).

6. A modular stair structure assembly as claimed in claim 5, wherein: The lifting wheels (7) comprise a hydraulic rod and a universal wheel, the upper end of the hydraulic rod is fixedly connected with the lower end of the cover plate (13), and the universal wheel is fixedly connected with the lower end of the hydraulic rod.

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