CN213897860U

CN213897860U - Stair structure

Info

Publication number: CN213897860U
Application number: CN202022269971.XU
Authority: CN
Inventors: 龚伟; 华伊; 徐强
Original assignee: Wuhan Runfeng Decoration Design Engineering Co ltd
Current assignee: Wuhan Runfeng Decoration Design Engineering Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-08-06
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to a stair technical field just discloses a stair structure, including two supports, two the spout has all been seted up to the inside of support, two the equal slidable mounting in inside of spout has the slide bar, two the equal fixed mounting in bottom of support has the electric putter with slide bar bottom fixed connection, two the caulking groove has all been seted up on the right side of support, two the equal fixed mounting in relative one side of support has first bearing, two the equal fixed mounting in inside of first bearing has first pivot, two the equal fixed mounting in relative one side of first pivot has the extension board, two fixed mounting has the footboard between the extension board. This stair structure possesses the advantage of convertible ladder form, has solved prior art, and the stair mostly only has a ladder form, and people all very inconvenience when the crowd of carrying goods upstairs or walking obstacle upstairs needs to establish the passageway in addition, increases area's problem.

Description

Stair structure

Technical Field

The utility model relates to a stair technical field specifically is a stair structure.

Background

The staircase is composed of a stair section (also called a stair run), a platform (a rest platform), an enclosing member and the like of continuous steps, the horizontal projection distance between the lowest step and the highest step of the staircase is the step length, the total height of the steps is the step height, the staircase is engraved in a heavy house image on a copper ware in the warrior period of China, Italy in 15-16 th century is released from a traditional closed space, and the staircase becomes a building component part with a decorative shape rich in variation.

In the prior art, most of stairs have only one step shape, so people are very inconvenient to carry goods upstairs or walk-handicapped people upstairs, a channel needs to be additionally arranged, the occupied area is increased, and the problem is solved by providing a stair structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a stair structure possesses the advantage of convertible ladder form, has solved prior art, and the stair are mostly only a ladder form, and people all very inconvenience when the crowd of carrying goods upstairs or walking obstacle upstairs needs to establish the passageway in addition, increases area's problem.

(II) technical scheme

In order to realize the purpose of the above-mentioned convertible ladder shape, the utility model provides a following technical scheme: a stair structure comprises two supports, sliding grooves are formed in the two supports, sliding rods are slidably mounted in the two sliding grooves, electric push rods fixedly connected with the bottom ends of the sliding rods are fixedly mounted at the bottoms of the two supports, caulking grooves are formed in the right sides of the two supports, first bearings are fixedly mounted on opposite sides of the two supports, first rotating shafts are fixedly mounted in the first bearings, supporting plates are fixedly mounted on opposite sides of the two first rotating shafts, pedals are fixedly mounted between the two supporting plates, second bearings are fixedly mounted on opposite sides of the two supporting plates, second rotating shafts are fixedly mounted in the second bearings, mounting grooves are formed in the right sides of the two sliding rods, and fixing shafts are fixedly mounted in the mounting grooves, and the outer sides of the fixed shafts are fixedly provided with third bearings, and the outer sides of the third bearings are fixedly provided with supporting rods fixedly connected with the two second rotating shafts respectively.

Preferably, the two supports are symmetrically distributed in the front and back direction, and both the two supports are inclined.

Preferably, the right sides of the two sliding grooves are both in an open shape, and the caulking grooves are located on the opposite sides of the two sliding grooves.

Preferably, the two second bearings are respectively positioned on the right sides of the two first rotating shafts, and the diameter of the second rotating shaft is the same as the height of the caulking groove.

Preferably, the right side of the mounting groove is open, and the mounting groove is movably connected with the third bearing.

Preferably, the output shaft of the electric push rod penetrates through and extends to the inside of the sliding groove, and the output shaft of the electric push rod is movably connected with the sliding groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a stair structure possesses following beneficial effect:

when the stair structure is normally used, the electric push rod is started to push the slide rod to slide upwards, so that the slide rod drives the third bearing to move upwards through the fixed shaft, the third bearing drives the supporting rod to move upwards, the supporting rod, the supporting plate and the slide rod form a triangle, the supporting plate is horizontal at the moment, the supporting rod and the first rotating shaft respectively support two ends of the supporting plate, so that the supporting plate forms a ladder shape, the stair can be used like a conventional stair, when people carrying goods upstairs or walking obstacles upstairs, the electric push rod can drive the slide rod to slide downwards, so that the electric push rod drives the bottom end of the support rod to move downwards, finally the second rotating shaft is embedded into the caulking groove, the included angle between the support plate and the support rod is close to one hundred eighty degrees, two adjacent pedals are in front-back contact, the slide composed of the support plates can be formed, thereby being convenient for the wheelchair and the goods to be carried upstairs, and achieving the purpose of changing the shape of the ladder.

Drawings

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

FIG. 2 is a right side plan view of the support plate structure of the present invention;

fig. 3 is an enlarged schematic view of a position a in the structure diagram 2 of the present invention.

In the figure: 1. a support; 2. an electric push rod; 3. a slide bar; 4. caulking grooves; 5. a pedal; 6. a support plate; 7. a second bearing; 8. a second rotating shaft; 9. a strut; 10. a chute; 11. a first bearing; 12. a first rotating shaft; 13. mounting grooves; 14. a third bearing; 15. and fixing the shaft.

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 present invention provides the following technical solutions: a stair structure comprises two supports 1, wherein the two supports 1 are symmetrically distributed in the front and back direction, the two supports 1 are inclined, sliding grooves 10 are formed in the two supports 1, the right sides of the two sliding grooves 10 are open, caulking grooves 4 are formed in the opposite sides of the two sliding grooves 10, sliding rods 3 are slidably mounted in the two sliding grooves 10, electric push rods 2 fixedly connected with the bottom ends of the sliding rods 3 are fixedly mounted at the bottoms of the two supports 1, the types of the electric push rods 2 can be DYTZ, the right sides of the two supports 1 are provided with the caulking grooves 4, two second bearings 7 are respectively located on the right sides of two first rotating shafts 12, the diameters of the second rotating shafts 8 are the same as the heights of the caulking grooves 4, first bearings 11 are fixedly mounted on the opposite sides of the two supports 1, first rotating shafts 12 are fixedly mounted in the two first bearings 11, supporting plates 6 are fixedly mounted on the opposite sides of the two first rotating shafts 12, a pedal 5 is fixedly arranged between the two support plates 6, second bearings 7 are fixedly arranged on the opposite sides of the two support plates 6, second rotating shafts 8 are fixedly arranged inside the second bearings 7, mounting grooves 13 are formed in the right sides of the two slide bars 3, the right sides of the mounting grooves 13 are in an open shape, the mounting grooves 13 are movably connected with the third bearings 14, fixing shafts 15 are fixedly arranged inside the two mounting grooves 13, third bearings 14 are fixedly arranged on the outer sides of the two fixing shafts 15, an output shaft of the electric push rod 2 penetrates through and extends into the sliding groove 10, the output shaft of the electric push rod 2 is movably connected with the sliding groove 10, supporting rods 9 respectively fixedly connected with the two second rotating shafts 8 are fixedly arranged on the outer sides of the two third bearings 14, and when the electric push rod 2 is normally used, the electric push rod 2 is started to push the slide bars 3 to slide upwards, so that the slide bars 3 drive the third bearings 14 to move upwards through the fixing shafts 15, the third bearing 14 drives the supporting rod 9 to move upwards, so that the supporting rod 9, the supporting plate 6 and the sliding rod 3 form a triangle, the supporting plate 6 is horizontal, the supporting rod 9 and the first rotating shaft 12 respectively support two ends of the supporting plate 6, the supporting plate 6 forms a step shape, the stair can be used like a conventional stair, when people carrying goods upstairs or walking obstacles upstairs, the electric push rod 2 can drive the sliding rod 3 to slide downwards, the electric push rod 2 can drive the bottom end of the supporting rod 9 to move downwards, finally the second rotating shaft 8 is embedded into the caulking groove 4, the included angle between the supporting plate 6 and the supporting rod 9 is close to one hundred eighty degrees, two adjacent pedals 5 are in front-back contact, a slide composed of the supporting plates 6 can be formed, a wheelchair and goods can be conveniently carried upstairs, and the purpose of changing the step shape is achieved.

In conclusion, in the stair structure, during normal use, the electric push rod 2 is started to push the slide rod 3 to slide upwards, so that the slide rod 3 drives the third bearing 14 to move upwards through the fixed shaft 15, the third bearing 14 drives the supporting rod 9 to move upwards, the supporting rod 9, the supporting plate 6 and the slide rod 3 form a triangle, the supporting plate 6 is horizontal at the moment, the supporting rod 9 and the first rotating shaft 12 respectively support two ends of the supporting plate 6, so that the supporting plate 6 forms a step shape, the stair structure can be used as a conventional stair, when people carrying goods upstairs or walking obstacles go upstairs, the electric push rod 2 can drive the slide rod 3 to slide downwards, so that the electric push rod 2 drives the bottom end of the supporting rod 9 to move downwards, finally the second rotating shaft 8 is embedded into the embedding groove 4, the included angle between the supporting plate 6 and the supporting rod 9 is close to one hundred eighty degrees, so that two adjacent pedals 5 are in front-back contact, and a slide composed of the supporting plate 6 can be formed, the wheelchair and the goods of carrying of being convenient for go upstairs to reach the purpose of convertible ladder form, solved prior art, the stair mostly only has a ladder form, people all very inconvenience when the crowd of the transportation goods upstairs or walking obstacle goes upstairs, need establish the passageway in addition, increase area's problem.

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. A stair structure comprising two supports (1), characterized in that: the inner parts of the two supports (1) are respectively provided with a sliding chute (10), the inner parts of the two sliding chutes (10) are respectively provided with a sliding rod (3) in a sliding manner, the bottoms of the two supports (1) are respectively and fixedly provided with an electric push rod (2) fixedly connected with the bottom end of the sliding rod (3), the right sides of the two supports (1) are respectively provided with a caulking groove (4), one opposite side of each of the two supports (1) is respectively and fixedly provided with a first bearing (11), one inner part of each of the two first bearings (11) is respectively and fixedly provided with a first rotating shaft (12), one opposite side of each of the two first rotating shafts (12) is respectively and fixedly provided with a support plate (6), a pedal (5) is fixedly arranged between the two support plates (6), one opposite side of each of the two support plates (6) is respectively and fixedly provided with a second bearing (7), and the inner parts of the two second bearings (7) are respectively and fixedly provided with a second rotating shaft (8), two mounting groove (13), two have all been seted up on the right side of slide bar (3) the equal fixed mounting in inside of mounting groove (13) has fixed axle (15), two the equal fixed mounting in the outside of fixed axle (15) has third bearing (14), two the equal fixed mounting in the outside of third bearing (14) has branch (9) with two second pivot (8) fixed connection respectively.

2. A stair construction according to claim 1 wherein: two the support (1) is around symmetrical distribution, and two support (1) all are the slope form.

3. A stair construction according to claim 1 wherein: the right sides of the two sliding grooves (10) are both in an open shape, and the caulking groove (4) is located on the opposite side of the two sliding grooves (10).

4. A stair construction according to claim 1 wherein: the two second bearings (7) are respectively positioned on the right sides of the two first rotating shafts (12), and the diameter of the second rotating shaft (8) is the same as the height of the caulking groove (4).

5. A stair construction according to claim 1 wherein: the right side of the mounting groove (13) is open, and the mounting groove (13) is movably connected with the third bearing (14).

6. A stair construction according to claim 1 wherein: the output shaft of the electric push rod (2) penetrates through and extends to the inside of the sliding groove (10), and the output shaft of the electric push rod (2) is movably connected with the sliding groove (10).