CN219569401U - Prefabricated staircase convenient to installation - Google Patents

Abstract

The utility model discloses a prefabricated staircase convenient to install, which comprises a staircase main body and a lifting appliance, wherein a railing is arranged at the edge of the top end of the staircase main body, a round hole is formed in the staircase main body, a mounting hole is formed in the staircase main body, a first conical groove is formed in the top of the staircase main body, a second conical groove is formed in the bottom of the staircase main body, and the lifting appliance comprises a screw rod penetrating through the round hole, a lifting ring arranged at the top end of the screw rod and a nut in threaded connection with the screw rod. The screw rod arranged in the utility model can pass through the round hole, the rotatable nut is fixed with the screw rod after penetrating, the fixed screw rod can be connected with the lifting hook of the lifting device through the lifting ring on the lifting appliance so as to lift the stair body for installation, meanwhile, the first conical groove and the first positioning rod are matched to quickly correct the position of the top of the stair body, and the second conical groove and the second positioning rod are matched to quickly correct the position of the bottom of the stair body so as to facilitate installation.

Description

Prefabricated staircase convenient to installation

Technical Field

The utility model relates to the technical field of building components, in particular to a prefabricated staircase convenient to install.

Background

Stairs are members in buildings for vertical traffic between floors. The method is used for traffic connection between floors and when the height difference is large. The stairs can be divided into single running stairs, double running stairs and multiple running stairs according to the stairs section. The planar shape of the ladder section has straight, broken line and curve. In order to improve efficiency, a prefabricated stairway has appeared, and compared with the conventional stairway, the prefabricated concrete stairway has no need of setting a complicated frame, no need of considering weather is proper, and no need of spending a lot of time for mixing and pouring concrete. And the hollow nature of precast concrete stairways also makes them lighter. These factors combine to make precast concrete stairways much faster to install than conventional stairways.

By searching, the patent with the publication number of CN105544895A discloses a concrete precast stair, and the content of the concrete precast stair describes a precast stair and a stepping surface of the precast stair, wherein the stepping surface is a water brush stone surface. Further, the concrete prefabricated staircase, the bottoms of the two ends of the prefabricated staircase are provided with threaded holes for construction and installation. The concrete prefabricated staircase has high strength after site construction and installation, the surface of the concrete prefabricated staircase can directly perform post-work without manual roughening and chopping, and the construction period … …' is saved.

Disclosure of Invention

The present utility model is directed to solving the problems of the prior art or related art.

The technical scheme adopted by the utility model is as follows: the utility model provides a prefabricated staircase convenient to installation, includes stair main part, hoist, goes up supporting platform and lower supporting platform, the round hole has been seted up in the stair main part, first taper groove has been seted up at the top of stair main part, the second taper groove has been seted up to the bottom of stair main part, the hoist including run through the screw rod of round hole, setting are in rings on screw rod top and with screw rod threaded connection's nut, go up supporting platform and stair main part butt, the top of going up supporting platform is provided with first locating lever, lower supporting platform and stair main part butt, lower supporting platform's top is provided with the second locating lever.

Preferably, a railing is arranged at the edge of the top end of the stair body.

Preferably, the stair main body is provided with mounting holes, two adjacent mounting holes are in one group, and two groups are arranged.

Preferably, four lifting devices are arranged, and the four lifting devices are in one-to-one correspondence with the round holes.

Preferably, the stair-climbing device further comprises a storage cabinet, wherein the storage cabinet is arranged on the inclined plane of the stair body, and support rods are arranged at the corners of the bottom of the storage cabinet.

Preferably, two partition plates are arranged on the inner wall of the storage cabinet, and the thickness of the two partition plates is the same.

Preferably, the first positioning rod and the second positioning rod have the same length and thickness, and the first positioning rod and the second positioning rod are round rods.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows: the utility model discloses the round hole in the stair main part can be passed to the screw rod of hoist that sets up, rotatable nut is fixed with the screw rod after running through, can fix the hoist, lifting hook that lifting device was connected to rings on the accessible hoist after the fixed, so as to lift stair main part installation, the first taper groove that sets up simultaneously can aim at the first locating lever on the upper support platform, the position at stair main part top can be corrected fast to the cooperation of accessible first taper groove and first locating lever, the position at stair main part bottom can be corrected fast to the cooperation of accessible second taper groove and second locating lever, so that the installation, then the railing that sets up plays the effect that blocks, improve the security, the inside of locker that sets up afterwards can place article, and the baffle that sets up can cut apart the locker into a plurality of and deposit the region, so that classification deposits, bracing piece and ground contact that set up simultaneously, can improve the stability of stair main part.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the stair body of the present utility model;

FIG. 3 is a schematic view of the structure of the spreader of the present utility model;

FIG. 4 is a schematic view of the structure of the upper support platform of the present utility model;

fig. 5 is a schematic structural view of the lower support platform of the present utility model.

Reference numerals:

100. a stair body; 110. railing; 120. a round hole; 130. a first tapered groove; 140. a second tapered slot; 150. a mounting hole;

200. a lifting appliance; 210. a screw; 220. a hanging ring; 230. a nut;

300. a storage cabinet; 310. a partition plate; 320. a support rod;

400. an upper support platform; 410. a first positioning rod;

500. a lower support platform; 510. and a second positioning rod.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

Some embodiments of the present utility model are described below with reference to the accompanying drawings to provide a prefabricated staircase that is easy to install.

Embodiment one:

referring to fig. 1-5, a prefabricated staircase is provided for a first embodiment of the present utility model, which comprises a staircase body 100, a spreader 200, an upper support platform 400 and a lower support platform 500, which are easy to install.

Specifically, the round hole 120 is formed in the stair body 100, the lifting appliance 200 can penetrate through the round hole 120 so as to mount and dismount the lifting appliance 200, the first conical groove 130 is formed in the top of the stair body 100, the second conical groove 140 is formed in the bottom of the stair body 100, the railing 110 is arranged at the edge of the top end of the stair body 100, the railing 110 has a blocking effect, safety is improved, the stair body 100 is provided with the mounting holes 150, two adjacent mounting holes 150 are in a group, two groups are arranged in total, and the mounting holes 150 can be penetrated by bolts so that the bolts fix the stair body 100 on the upper support platform 400 and the lower support platform 500.

Specifically, the lifting appliance 200 comprises a screw rod 210 penetrating through the round hole 120, a lifting ring 220 arranged at the top end of the screw rod 210 and a nut 230 in threaded connection with the screw rod 210, the screw rod 210 of the lifting appliance 200 can be aligned with the round hole 120 on the stair body 100 and inserted, the rotatable nut 230 is fixed with the screw rod 210 after insertion, the lifting appliance 200 can be fixed, the lifting ring 220 on the lifting appliance 200 can be connected with a lifting hook of lifting equipment after fixing, so that the stair body 100 is lifted, four lifting appliances 200 are arranged, the four lifting appliances 200 correspond to the round holes 120 one by one, and the four lifting appliances 200 can be connected with the lifting equipment, so that the lifting stability is improved.

Specifically, the upper support platform 400 is abutted with the stair main body 100, the top end of the upper support platform 400 is provided with the first positioning rod 410, when in use, the first tapered groove 130 of the stair main body 100 can be aligned with the first positioning rod 410 on the upper support platform 400, and as the first positioning rod 410 is fixed, the position of the top of the stair main body 100 can be quickly corrected through the insertion of the first tapered groove 130 and the first positioning rod 410, so that the stair main body is convenient to install.

Specifically, the lower support platform 500 is abutted with the stair main body 100, the top end of the lower support platform 500 is provided with the second positioning rod 510, when in use, the second tapered slot 140 of the stair main body 100 can be aligned with the second positioning rod 510 on the lower support platform 500, and the position of the bottom of the stair main body 100 can be quickly corrected through the insertion of the second tapered slot 140 and the second positioning rod 510 due to the fact that the second positioning rod 510 is fixed, so that the stair main body is convenient to install.

It should be noted that, the lengths and thicknesses of the first positioning rod 410 and the second positioning rod 510 are the same, the first positioning rod 410 and the second positioning rod 510 are round rods, the same first positioning rod 410 and second positioning rod 510 can be prefabricated,

embodiment two:

referring to fig. 1, a second embodiment of the present utility model is shown, which is different from the first embodiment in that: still include locker 300, the locker 300 sets up on the inclined plane of stair main part 100, and the inside of locker 300 can be placed article so that use, and the bottom corner of locker 300 all is provided with bracing piece 320, and bracing piece 320 and ground contact can improve the stability of stair main part 100 through the support of locker 300 and bracing piece 320, and the inner wall of locker 300 is provided with two baffles 310, and the thickness of two baffles 310 is the same, and two baffles 310 can cut apart the locker 300 into a plurality of and deposit the region, can sort to deposit, so that use.

The working principle and the using flow of the utility model are as follows: during installation, the screw 210 of the lifting appliance 200 can be aligned with the round hole 120 on the stair body 100 and inserted, the rotatable nut 230 and the screw 210 can be fixed after insertion, the lifting appliance 200 can be fixed, the lifting ring 220 on the lifting appliance 200 can be connected with the lifting hook of the lifting equipment after fixing, so that the stair body 100 is lifted for installation, when the lifting is aligned, the first conical groove 130 of the stair body 100 can be aligned with the first positioning rod 410 on the upper support platform 400, because the first positioning rod 410 is fixed, the position of the top of the stair body 100 can be quickly corrected through the insertion of the first conical groove 130 and the first positioning rod 410, and similarly, the position of the bottom of the stair body 100 can be quickly corrected through the insertion of the second conical groove 140 and the second positioning rod 510, so that the stair body 100 is convenient to install.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (7)

1. A prefabricated staircase convenient to install, comprising:

the stair comprises a stair body (100), wherein a round hole (120) is formed in the stair body (100), a first conical groove (130) is formed in the top of the stair body (100), and a second conical groove (140) is formed in the bottom of the stair body (100);

the lifting appliance (200) comprises a screw rod (210) penetrating through the round hole (120), a lifting ring (220) arranged at the top end of the screw rod (210) and a nut (230) in threaded connection with the screw rod (210);

an upper support platform (400), wherein the upper support platform (400) is abutted with the stair main body (100), and a first positioning rod (410) is arranged at the top end of the upper support platform (400);

the lower support platform (500), lower support platform (500) and stair main part (100) butt, the top of lower support platform (500) is provided with second locating lever (510).

2. A prefabricated staircase convenient to install according to claim 1, characterized in that the staircase body (100) is provided with a railing (110) at the top edge.

3. The prefabricated staircase convenient to install according to claim 2, characterized in that the staircase main body (100) is provided with installation holes (150), two adjacent installation holes (150) are arranged in one group, and two groups are arranged in total.

4. A prefabricated staircase convenient to install according to claim 3, characterized in that the spreaders (200) are provided with four, four spreaders (200) being in one-to-one correspondence with the circular holes (120).

5. The prefabricated staircase convenient to install according to claim 4, further comprising a locker (300), wherein the locker (300) is arranged on an inclined plane of the staircase main body (100), and support rods (320) are arranged at bottom corners of the locker (300).

6. The prefabricated staircase convenient to install according to claim 5, characterized in that the inner wall of the storage cabinet (300) is provided with two partition boards (310), and the thickness of the two partition boards (310) is the same.

7. The prefabricated staircase for easy installation according to claim 6, characterized in that the first positioning rod (410) and the second positioning rod (510) have the same length and thickness, and the first positioning rod (410) and the second positioning rod (510) are round rods.