CN210713577U

CN210713577U - Steel-wood rotary stair

Info

Publication number: CN210713577U
Application number: CN201921412939.3U
Authority: CN
Inventors: 辛晓丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-09
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a rotatory stair technical field just discloses steel-wood rotatory stair, including integrative center pillar fossil fragments and tray, first mounting hole has been seted up to the inside of integrative center pillar fossil fragments, the inside sliding connection of first mounting hole has first bolt, the one end in the integrative center pillar fossil fragments outside that first bolt extends is pegged graft and is had the connecting plate. This steel-wood spiral stair, through setting up integrative center pillar fossil fragments, in the user equipment, can directly fix integrative center pillar fossil fragments at treating the mounting point, the first bolt that corresponds first mounting hole again is put into wherein, aim at the connecting plate to insert first bolt again, restrain first bolt, then insert first bolt to the second tray, and fix through fixation nut, place first footboard on the second tray again, screw up through first fixed screw, through such a mode, first tray, the second tray, first footboard and second footboard adopt screwed connection, convenient to use person oneself installs.

Description

Steel-wood rotary stair

Technical Field

The utility model relates to a rotatory stair technical field specifically is steel wood rotatory stair.

Background

Spiral stairs, commonly called spiral or spiral stairs, are usually arranged around a single column, which cannot be used as main pedestrian traffic and evacuation stairs, but are often used in office buildings, residential buildings or as building gadgets arranged in courtyards or rooms with few floors because of the beautiful, elegant and elegant streamline and space-saving.

At present, rotary staircases are all small and medium-sized staircases, so that a user cannot conveniently carry out manual assembly indoors, and a steel-wood rotary staircase is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a steel wood spiral stair possesses the installation of being convenient for and waits advantage, has solved present spiral stair and all is middle-size and small-size stair, and the person of not being convenient for carries out the problem of manual equipment indoor.

(II) technical scheme

In order to realize the convenient installation purpose, the utility model provides a following technical scheme: the steel-wood spiral stair comprises an integrated center pillar keel and a tray, wherein a first mounting hole is formed in the integrated center pillar keel, a first bolt is slidably connected in the first mounting hole, a connecting plate is inserted into one end, extending out of the integrated center pillar keel, of the first bolt, a second tray is sleeved on one side, opposite to the integrated center pillar keel, of the connecting plate, a fixing nut is connected to one end, extending to the lower portion of the second tray, of the first bolt in a threaded mode, a first pedal is movably mounted at the top of the second tray, a first fixing screw is connected to the bottom of the second tray in a threaded mode, one end of the first fixing screw extends into the first pedal, a second mounting hole is formed in the integrated center pillar keel, a second bolt is connected to the inner portion of the second mounting hole in a threaded mode, the outer side wall of the second bolt is sleeved with the first tray, and a second pedal is movably mounted at the top of the first tray, the bottom of the first tray is in threaded connection with a second fixing screw of which one end extends into the second pedal.

Preferably, the tray includes first tray, second tray, third tray and fourth tray, the equal threaded connection of third tray and fourth tray is in integrative center pillar fossil fragments outside.

Preferably, the tray is arc-shaped on the opposite side of the integrated central column keel, and the tray is attached to the integrated central column keel.

Preferably, first bolt slip joint is inside first mounting hole, first bolt is pegged graft and is had connecting plate and second tray, and first bolt wall threaded connection has the fixation nut with the laminating of second tray, first footboard aligns the laminating with the second tray, and the one end that integrative center pillar fossil fragments were kept away from to first footboard is provided with the lug.

Preferably, the first tray is inserted into one side opposite to the integrated center pillar keel and is provided with a second bolt, the second bolt extends to one end of the integrated center pillar keel and is in threaded connection with the second mounting hole, the top of the first tray is provided with a placing groove, the second pedal is located in the placing groove, and the second pedal is in threaded connection with a second fixing screw.

(III) advantageous effects

Compared with the prior art, the utility model provides a steel-wood spiral stair possesses following beneficial effect:

this steel-wood spiral stair, through setting up integrative center pillar fossil fragments, in the user equipment, can directly fix integrative center pillar fossil fragments at treating the mounting point, the first bolt that corresponds first mounting hole again is put into wherein, aim at first bolt and insert the connecting plate again, restrain first bolt, then insert first bolt to the second tray, and fix through fixation nut, place first footboard again on the second tray, screw up through first fixed screw, if be the second mounting hole, can directly insert first tray with the second bolt, and aim at the second mounting hole, screw up the second bolt, put into first tray with the second footboard again, fix through second fixed screw, and by such a way, first tray, the second tray, first footboard and second footboard adopt screwed connection, convenient to use person oneself installs.

Drawings

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

fig. 2 is an exploded view of the structure of the first embodiment of the present invention;

fig. 3 is an exploded view of a second embodiment of the present invention.

In the figure: 1 integrative center pillar fossil fragments, 2 trays, 201 first tray, 202 second tray, 203 third tray, 204 fourth tray, 3 first mounting holes, 4 first bolts, 5 connecting plates, 6 fixation nut, 7 first footboard, 8 first fixed screws, 9 second mounting holes, 10 second bolts, 11 second footboard, 12 second fixed screws.

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.

Referring to fig. 1-3, the steel-wood spiral staircase comprises an integral central pillar 1 and a tray 2, wherein a first mounting hole 3 is formed in the integral central pillar 1, the tray 2 comprises a first tray 201, a second tray 202, a third tray 203 and a fourth tray 204, the third tray 203 and the fourth tray 204 are both in threaded connection with the outer side of the integral central pillar 1, the first tray 201 is straight, the second tray 202 is wavy, the third tray 203 is shaped like a flower, the fourth tray 204 is semi-tray, the opposite sides of the tray 2 and the integral central pillar 1 are both arc-shaped, the tray 2 is attached to the integral central pillar 1, a first bolt 4 is slidably connected to the inside of the first mounting hole 3, a connecting plate 5 is inserted into one end of the first bolt 4 extending out of the integral central pillar 1, the second tray 202 is sleeved on the opposite side of the connecting plate 5 and the integral central pillar 1, first bolt 4 extends to one end threaded connection of second tray 202 below has fixation nut 6, the top movable mounting of second tray 202 has first footboard 7, the bottom threaded connection of second tray 202 has one end to extend to the inside first fixed screw 8 of first footboard 7, second mounting hole 9 has been seted up to the inside of integrative center pillar fossil fragments 1, the inside threaded connection of second mounting hole 9 has second bolt 10, first tray 201 has been cup jointed to the lateral wall of second bolt 10, the top movable mounting of first tray 201 has second footboard 11, the bottom threaded connection of first tray 201 has one end to extend to the inside second fixed screw 12 of second footboard 11.

In the first embodiment, please refer to fig. 2: first bolt 4 slip joint is inside first mounting hole 3, and first bolt 4 is pegged graft and is had connecting plate 5 and second tray 202, and 4 wall threaded connection of first bolt have with the fixation nut 6 of second tray 202 laminating, first footboard 7 aligns the laminating with second tray 202, and the one end that integrative center pillar fossil fragments 1 were kept away from to first footboard 7 is provided with the lug.

In the second embodiment, please refer to fig. 3: first tray 201 is pegged graft with integrative center pillar fossil fragments 1 one side relative and is had second bolt 10, and second bolt 10 extends to integrative center pillar fossil fragments 1's one end and 9 threaded connection of second mounting hole, and the standing groove has been seted up at the top of first tray 201, and second footboard 11 is located the standing groove, and second footboard 11 and second fixed screw 12 threaded connection.

In summary, in the steel-wood spiral stair, by providing the integrated central pillar 1, when a user assembles the stair, the integrated central pillar 1 can be directly fixed at a point to be installed, the first bolt 4 corresponding to the first installation hole 3 is placed therein, the first bolt 4 is inserted into the connecting plate 5 in alignment, the first bolt 4 is limited, the second tray 202 is inserted into the first bolt 4 and fixed by the fixing nut 6, the first tread 7 is placed on the second tray 202 and screwed by the first fixing screw 8, if the second installation hole 9 is formed, the second bolt 10 can be directly inserted into the first tray 201 in alignment with the second installation hole 9, the second bolt 10 is screwed, the second tread 11 is placed into the first tray 201 and fixed by the second fixing screw 12, by which the first tray 201, the second tray 202, the first tread 7 and the second tread 11 are connected by screws, the convenient to use person oneself installs, has solved present spiral staircase and all is middle-size and small-size stair, and the inconvenient to use person carries out the problem of manual equipment in the room.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. Steel wood spiral stair, including integrative center pillar fossil fragments (1) and tray (2), its characterized in that: a first mounting hole (3) is formed in the integrated center pillar keel (1), a first bolt (4) is slidably connected in the first mounting hole (3), a connecting plate (5) is inserted into one end, extending out of the integrated center pillar keel (1), of the first bolt (4), a second tray (202) is sleeved on one side, opposite to the integrated center pillar keel (1), of the connecting plate (5), a fixing nut (6) is connected to one end, extending to the lower side of the second tray (202), of the first bolt (4), a first pedal (7) is movably mounted at the top of the second tray (202), a first fixing screw (8) is connected to the bottom of the second tray (202) in a threaded manner, one end of the first fixing screw extends into the first pedal (7), a second mounting hole (9) is formed in the integrated center pillar keel (1), a second bolt (10) is connected to the inner portion of the second mounting hole (9) in a threaded manner, the lateral wall of second bolt (10) has cup jointed first tray (201), the top movable mounting of first tray (201) has second footboard (11), the bottom threaded connection of first tray (201) has one end to extend to inside second fixed screw (12) of second footboard (11).

2. The steel-wood spiral stair of claim 1, wherein: tray (2) include first tray (201), second tray (202), third tray (203) and fourth tray (204) equal threaded connection in integrative center pillar fossil fragments (1) outside.

3. The steel-wood spiral stair of claim 1, wherein: tray (2) all are circular-arc with integrative center pillar fossil fragments (1) relative one side, and tray (2) and integrative center pillar fossil fragments (1) laminating.

4. The steel-wood spiral stair of claim 1, wherein: first bolt (4) slip joint is inside first mounting hole (3), first bolt (4) are pegged graft and are had connecting plate (5) and second tray (202), and first bolt (4) wall threaded connection have with fixation nut (6) of second tray (202) laminating, first footboard (7) align the laminating with second tray (202), and the one end that integrative center pillar fossil fragments (1) were kept away from in first footboard (7) is provided with the lug.

5. The steel-wood spiral stair of claim 1, wherein: first tray (201) and the relative one side of integrative center pillar fossil fragments (1) are pegged graft and are had second bolt (10), and second bolt (10) extend to the one end and second mounting hole (9) threaded connection of integrative center pillar fossil fragments (1), the standing groove has been seted up at the top of first tray (201), second footboard (11) are located the standing groove, and second footboard (11) and second fixed screw (12) threaded connection.