CN214195298U

CN214195298U - Scalable assembled prefabricated stair

Info

Publication number: CN214195298U
Application number: CN202022708570.XU
Authority: CN
Inventors: 代建敏
Original assignee: Zhaotong High Speed Prefabricated Construction Co ltd
Current assignee: Zhaotong High Speed Prefabricated Construction Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-09-14
Anticipated expiration: 2030-11-21

Abstract

The utility model relates to the technical field of stairs, in particular to a scalable assembled prefabricated staircase, which comprises two staircase sloping platforms, wherein each staircase sloping platform comprises a bottom block and a top block, a plurality of fixed blocks are arranged between the bottom block and the top block, the fixed blocks have the same structure with the top block, sliders are arranged on the inner walls of the two sides of each fixed block, the bottom block and the outer wall of one side, close to the top block, of each fixed block are welded with telescopic blocks, chutes are arranged on the outer walls of the two sides of each telescopic block, and the size of each slider is matched with that of each chute and is in sliding connection with the two sliders; be equipped with a plurality of footboards between two stair sloping platforms, the diapire of footboard is close to four sides department and all installs the gusset, and the welding has a plurality of bosses on the inner wall of gusset, and two holes of accomodating have been seted up to the inside of footboard, and the both sides department of footboard all is equipped with the mounting panel, and this prefabricated stair of scalable assembled can stretch out and draw back the assembly, conveniently transports and carries.

Description

Scalable assembled prefabricated stair

Technical Field

The utility model relates to a stair technical field, specifically speaking relates to a scalable assembled prefabricated staircase.

Background

The stair building is used as a component for vertical traffic between floors. The method is used for traffic connection between floors and when the height difference is large. However, the prefabricated staircase that uses at present is that integrated into one piece is fixed, can not carry out flexible assembly to it, because its volume is great, installs and transports comparatively inconveniently. In view of this, we propose a prefabricated staircase of retractable assembly type.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but prefabricated stair of scalable assembled 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:

a telescopic assembly type prefabricated staircase comprises two staircase sloping platforms, wherein each staircase sloping platform comprises a bottom block and a top block, a plurality of fixed blocks are arranged between the bottom block and the top block, the fixed blocks and the top blocks are identical in structure, sliding blocks are arranged on the inner walls of the two sides of each fixed block, telescopic blocks are welded on the outer walls of the bottom block and the fixed blocks, close to the top blocks, on one sides of the bottom block and the fixed blocks, sliding grooves are formed in the outer walls of the two sides of each telescopic block, the size of each sliding block is matched with the size of each sliding groove, and the sliding blocks are connected with the sliding grooves in a sliding mode; two be equipped with a plurality of footboards between the stair sloping platform, the diapire of footboard is close to four sides department and all installs the gusset, the welding has a plurality of bosses on the inner wall of gusset, two holes of accomodating have been seted up to the inside of footboard, the both sides department of footboard all is equipped with the mounting panel, the mounting panel is close to one side outer wall welding of footboard has two connecting rods, the connecting rod slides and pegs graft in the accomodating hole, the bottom position department of stair sloping platform is equipped with down links up the piece, first shock pad is installed to the diapire of linking up the piece down, the top position department of stair sloping platform is equipped with and links up the piece, the second shock pad is installed to the diapire of linking up the piece.

Preferably, the roof of fixed block has seted up the rectangular hole, the roof welding of flexible piece has the screw thread lug, the top of screw thread lug passes rectangular hole and threaded connection have the screw cap.

Preferably, a plurality of anti-slip convex strips are arranged on the top wall of the pedal.

Preferably, a plurality of locating holes are formed in the connecting rod, two threaded holes are formed in the position, close to two sides, of the bottom wall of the pedal, the aperture of each threaded hole is equal to that of each locating hole, and a locking bolt is connected to the threaded holes in an internal thread mode.

Preferably, the top wall of the lower connecting block is close to two sides and is provided with a first fixing frame, a first sleeve is welded inside the first fixing frame, a first rotating rod is welded on the outer wall of one side, away from the bottom block, of the bottom block, and the first rotating rod is inserted into the first sleeve and is connected with the first sleeve in a rotating mode.

Preferably, the front side wall of the upper connecting block is provided with a second fixing frame near two sides, a second sleeve is welded in the second fixing frame, a second rotating rod is welded on the outer wall of one side, far away from the two top blocks, of the second fixing frame, and the second rotating rod is inserted in the second sleeve and is rotatably connected with the second sleeve.

Preferably, a plurality of first fixing holes are formed in the lower connecting block, and a plurality of second fixing holes are formed in the upper connecting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this scalable assembled prefabricated staircase through the setting of bottom piece, kicking block, fixed block, slider, flexible piece, spout, screw thread lug and screw cap, can stretch out and draw back to the stair sloping platform, conveniently assembles it, and it is comparatively convenient to transport, has solved the prefabricated staircase that uses at present and has mostly been that integrated into one piece is fixed good, can not stretch out and draw back the assembly to it, because its is bulky, installs and transports comparatively inconveniently.

2. This scalable assembled prefabricated staircase through the setting of gusset and boss, can play fine reinforcing effect to the footboard, avoids the footboard to be stepped on the deformation.

Drawings

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

FIG. 2 is a schematic view of a partially exploded structure of the middle stair ramp of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

FIG. 4 is a schematic view of the exploded structure of the pedal of the present invention;

FIG. 5 is a schematic bottom view of the pedal of the present invention;

FIG. 6 is a schematic structural view of the middle and lower connecting blocks of the present invention;

fig. 7 is a schematic structural view of the middle upper connecting block of the present invention.

The meaning of the reference symbols in the figures is:

1. a stair ramp; 10. a bottom block; 100. a first rotating lever; 11. a top block; 110. a second rotating rod; 12. a fixed block; 120. a slider; 13. a rectangular hole; 14. a telescopic block; 140. a chute; 141. a threaded projection; 15. a threaded cap;

2. a pedal; 20. a receiving hole; 21. a threaded hole; 22. anti-skid convex strips; 23. mounting a plate; 24. a connecting rod; 240. positioning holes; 25. locking the bolt; 26. a rib plate; 27. a reinforcing block;

3. a lower connecting block; 30. a first fixing hole; 31. a first fixing frame; 32. a first sleeve; 33. a first cushion pad;

4. an upper connecting block; 40. a second fixing hole; 41. a second fixing frame; 42. a second sleeve; 43. a second cushion.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

a telescopic assembly type prefabricated staircase comprises two staircase sloping platforms 1, wherein each staircase sloping platform 1 comprises a bottom block 10 and a top block 11, a plurality of fixed blocks 12 are arranged between the bottom blocks 10 and the top blocks 11, the fixed blocks 12 and the top blocks 11 are identical in structure, sliding blocks 120 are arranged on the inner walls of two sides of the fixed blocks 12, telescopic blocks 14 are welded on the outer walls of one sides, close to the top blocks 11, of the bottom blocks 10 and the fixed blocks 12, sliding grooves 140 are formed in the outer walls of two sides of the telescopic blocks 14, and the sliding blocks 120 are matched with the sliding grooves 140 in size and are in sliding connection; be equipped with a plurality of footboards 2 between two stair sloping platforms 1, the diapire of footboard 2 is close to four sides department and all installs gusset 26, the welding has a plurality of bosses 27 on the inner wall of gusset 26, two holes 20 of accomodating have been seted up to the inside of footboard 2, the both sides department of footboard 2 all is equipped with mounting panel 23, mounting panel 23 has two connecting rods 24 near one side outer wall welding of footboard 2, connecting rod 24 slides and pegs graft in accomodating hole 20, the bottom position department of stair sloping platform 1 is equipped with down links up piece 3, first shock pad 33 is installed to the diapire of down links up piece 3, the top position department of stair sloping platform 1 is equipped with up links up piece 4, the second shock pad 43 is installed to the diapire of up piece 4.

In this embodiment, rectangular hole 13 has been seted up to the roof of fixed block 12, and the roof welding of flexible piece 14 has screw thread lug 141, and rectangular hole 13 and threaded connection have screw cap 15 are passed on screw thread lug 141's top, unscrews screw cap 15, can promote flexible piece 14 and slide movement in fixed block 12 to can stretch out and draw back the regulation to stair ramp 1, screw cap 15 and can fix flexible piece 14 in fixed block 12 steadily tightening.

It should be noted that the first cushion 33 and the second cushion 43 are made of rubber material, and have good elasticity and cushioning performance.

In this embodiment, a plurality of anti-slip convex strips 22 are installed on the top wall of the pedal 2, and the anti-slip convex strips 22 can increase the friction coefficient of the surface of the pedal 2, so that the friction force can be increased, and the anti-slip performance is good.

Further, a plurality of locating holes 240 have been seted up to connecting rod 24's inside, two screw holes 21 have all been seted up to the diapire of footboard 2 near both sides department, and the aperture of screw hole 21 equals with the aperture of locating hole 240, and screw hole 21 female connection has locking bolt 25, screws up locking bolt 25 and makes it insert in locating hole 240, can fix connecting rod 24 in footboard 2 steadily, and mounting panel 23 can be installed with between bottom block 10, kicking block 11 or the fixed block 12.

In this embodiment, the top wall of the lower connecting block 3 is close to both sides and is all installed with a first fixing frame 31, the inner welding of the first fixing frame 31 has a first sleeve 32, the outer wall of one side of two bottom blocks 10 away from each other has a first rotating rod 100, and the first rotating rod 100 is inserted in the first sleeve 32 and is rotatably connected with the first sleeve 32.

In this embodiment, the front side wall of the upper connecting block 4 near both sides is provided with a second fixing frame 41, a second sleeve 42 is welded in the second fixing frame 41, the outer wall of one side of the two top blocks 11 away from each other is welded with a second rotating rod 110, and the second rotating rod 110 is inserted in the second sleeve 42 and is rotatably connected with the second sleeve 42.

It should be added that the first and second

rotating shafts

100 and 110 are threaded rods, and are stably fixed at their ends by threaded nuts.

In this embodiment, a plurality of first fixing holes 30 are provided in the lower connecting block 3, a plurality of second fixing holes 40 are provided in the upper connecting block 4, and the lower connecting block 3 and the upper connecting block 4 are conveniently mounted by the first fixing holes 30 and the second fixing holes 40.

The scalable assembled prefabricated staircase of this embodiment is when using, before not installing, unscrew screw cap 15, promote flexible piece 14 and make it accomodate in fixed block 12, can get up the shrink of stair ramp 1, it carries to make things convenient for installing it, after installing well, through be equipped with anti-skidding sand grip 22 on footboard 2, can play fine anti-skidding effect, avoid people to skid when the climbing sole and fall down, the security is better, can strengthen footboard 2's self intensity at footboard 2's diapire installation gusset 26, avoid it to receive to trample and take place to warp impaired.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a scalable assembled prefabricated staircase, includes two stair sloping platforms (1), its characterized in that: the stair ramp (1) comprises a bottom block (10) and a top block (11), a plurality of fixed blocks (12) are arranged between the bottom block (10) and the top block (11), the fixed blocks (12) have the same structure as the top block (11), sliding blocks (120) are arranged on the inner walls of the two sides of the fixed blocks (12), telescopic blocks (14) are welded on the outer walls of the bottom block (10) and the fixed blocks (12) on one sides close to the top block (11), sliding grooves (140) are formed in the outer walls of the two sides of the telescopic blocks (14), and the sliding blocks (120) are matched with the sliding grooves (140) in size and are in sliding connection; a plurality of pedals (2) are arranged between the two stair ramps (1), rib plates (26) are arranged on the bottom wall of each pedal (2) close to the four edges, a plurality of reinforcing blocks (27) are welded on the inner wall of the rib plate (26), two accommodating holes (20) are formed in the pedal (2), mounting plates (23) are arranged at two sides of the pedal (2), two connecting rods (24) are welded on the outer wall of one side of the mounting plate (23) close to the pedal (2), the connecting rod (24) is inserted in the accommodating hole (20) in a sliding way, a lower connecting block (3) is arranged at the bottom end of the stair ramp (1), a first shock pad (33) is arranged on the bottom wall of the lower joining block (3), an upper joining block (4) is arranged at the top end of the stair ramp (1), and a second shock absorption pad (43) is arranged on the bottom wall of the upper connecting block (4).

2. The telescopically assembled prefabricated staircase of claim 1, wherein: rectangular hole (13) have been seted up to the roof of fixed block (12), the roof welding of flexible piece (14) has screw thread lug (141), the top of screw thread lug (141) passes rectangular hole (13) and threaded connection have screw cap (15).

3. The telescopically assembled prefabricated staircase of claim 1, wherein: a plurality of anti-slip convex strips (22) are installed on the top wall of the pedal (2).

4. The telescopically assembled prefabricated staircase of claim 1, wherein: a plurality of locating holes (240) are formed in the connecting rod (24), two threaded holes (21) are formed in the positions, close to two sides, of the bottom wall of the pedal (2), the aperture of each threaded hole (21) is equal to that of each locating hole (240), and locking bolts (25) are connected to the threaded holes (21) in an internal thread mode.

5. The telescopically assembled prefabricated staircase of claim 1, wherein: the top wall of lower link up piece (3) is close to both sides department and all installs first mount (31), the inside welding of first mount (31) has first sleeve pipe (32), two one side outer wall welding that bottom block (10) kept away from each other has first bull stick (100), first bull stick (100) are pegged graft in first sleeve pipe (32) and with rotate between first sleeve pipe (32) and be connected.

6. The telescopically assembled prefabricated staircase of claim 1, wherein: go up the preceding lateral wall of linking up piece (4) and all install second mount (41) near both sides department, second sleeve pipe (42) have been welded in second mount (41), two one side outer wall welding that kicking block (11) kept away from each other has second bull stick (110), second bull stick (110) are pegged graft in second sleeve pipe (42) and with rotate between second sleeve pipe (42) and be connected.

7. The telescopically assembled prefabricated staircase of claim 1, wherein: a plurality of first fixing holes (30) are formed in the lower connecting block (3), and a plurality of second fixing holes (40) are formed in the upper connecting block (4).