CN210563065U - Combined stairs - Google Patents
Combined stairs Download PDFInfo
- Publication number
- CN210563065U CN210563065U CN201921351046.2U CN201921351046U CN210563065U CN 210563065 U CN210563065 U CN 210563065U CN 201921351046 U CN201921351046 U CN 201921351046U CN 210563065 U CN210563065 U CN 210563065U
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- Prior art keywords
- stair
- angle wheel
- angle
- wedge
- gear teeth
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Abstract
The utility model discloses a combined stair, an angle adjusting device is arranged between a step and a stair mounting beam (2), the angle adjusting device comprises an angle wheel (7) and a step mounting pipe (5), the outer peripheral surface of the angle wheel (7) is provided with outer gear teeth, the inner peripheral surface of the step mounting pipe (5) is provided with inner gear teeth, the step mounting pipe (5) is sleeved on the angle wheel (7), and the outer gear teeth are meshed with the inner gear teeth; the step is fixed on the step mounting pipe (5); stair installation roof beam (2) have hollow structure, the rectangular hole has been seted up to stair installation roof beam (2) one side wall, the rectangle connecting piece is installed to stair installation roof beam (2), the rectangle connecting piece follow the rectangular hole stretch out and with angle wheel (7) axial is pegged graft. This stair installation is dismantled conveniently and easily transports, and the relative position of rotation angle wheel and step installation pipe can be adjusted on a large scale the footboard angle, has improved the high adaptability of stair to the building layer.
Description
Technical Field
The utility model relates to a stair technical field, in particular to modular stair.
Background
The stairs are used as members for vertical traffic between floors in a building and are used for traffic communication between floors and when the height difference is large. Stairs are also arranged in multi-storey and high-rise buildings provided with elevators and escalators as main vertical transportation means, and the stairs comprise continuous stair sections (also called stair runs), platforms (rest platforms), enclosure components and the like. The horizontal projection distance between the lowest step and the highest step of the stair is the length of the stair, and the total height of the steps is the height of the stair. The common stair types comprise a plate stair and a beam stair, an inclined plate of the plate stair is thick, when the span is large, the material consumption is large, the plate stair is mostly used for buildings such as houses, office buildings and teaching buildings, a beam stair formwork and construction are more complex than the plate stair, the appearance is heavy, and a plurality of stairs have the defects of being generally large and heavy, the material consumption is large, the stair is more troublesome in the disassembly process, complex machinery is required to be used, and even the stair is damaged to achieve the disassembly effect, so that the stair is difficult to achieve the capability of being removed from one place and transported to another place for reuse.
The patent numbers are: ZL 201820569049.2's chinese utility model patent discloses a load and unload convenient combination formula steel construction stair, include: the device comprises an upper platform plate, a lower platform plate, a force bearing column, a suspender, a holding rod, a platform cross beam, a step oblique beam, a step plate and a fastening device; go up the landing slab, lower landing slab passes through bolted connection with the building end respectively, ensures that the landing slab is firm, goes up the landing slab, lower landing slab, load post, jib, hold up the pole, the platform crossbeam, connect through the round pin axle fit between the ladder board of sloping, hold up the slide bar that the internally mounted of pole can remove, slide bar and spacing T platform threaded connection, the displacement of slide bar can be controlled to spacing T platform to the inclination of the ladder board that is connected with the jib is adjusted. The utility model discloses a connect through the round pin axle fit between each steel subassembly, simple to operate is quick and firm, can satisfy the needs that do not have the interim stair passageway of too high requirement to the bearing, and adjustable step plate inclination prevents falling in the antiskid when making down stairs, ensures personnel safety of passing, but the installation procedure is more, and is heavier, and the angularly adjustable scope is little.
SUMMERY OF THE UTILITY MODEL
To the not enough that prior art exists, the utility model discloses the technical problem that will solve is: the utility model provides a modular stair, this stair installation is dismantled conveniently and easily transport to can realize the stair wide-angle and adjust, improve the adaptability of stair to the building thing layer height.
The utility model discloses a following technical scheme realizes: a combined stair comprises two stair mounting beams and a plurality of steps, wherein the steps are mounted between the two stair mounting beams; an angle adjusting device is arranged between the step and the stair mounting beam and comprises an angle wheel and a step mounting pipe, outer gear teeth are arranged on the outer peripheral surface of the angle wheel, inner gear teeth are arranged on the inner peripheral surface of the step mounting pipe, the step mounting pipe is sleeved on the angle wheel, and the outer gear teeth are meshed with the inner gear teeth; the step is fixed on the step mounting pipe; the stair mounting beam is of a hollow structure, a rectangular hole is formed in one side wall of the stair mounting beam, a rectangular connecting piece is mounted on the stair mounting beam, and the rectangular connecting piece extends out of the rectangular hole and is axially spliced with the angle wheel; and axial limiting devices are arranged among the angle wheel, the step mounting pipe and the rectangular connecting piece.
Preferably, the step comprises two pedals and pedal connecting pieces, connecting grooves are respectively formed in the opposite inner sides of the two pedals, and the pedal connecting pieces are inserted into the connecting grooves to connect the two pedals together.
Preferably, the connecting groove comprises an arc-shaped head part and an opening tail part, the arc-shaped head part is communicated with the opening tail part, and the size of the arc-shaped head part is larger than that of the opening tail part.
Preferably, the outer part of the pipe wall of the step mounting pipe is provided with a wedge-shaped clamping holder, the opposite inner sides of the two pedals are respectively provided with a wedge-shaped clamping groove, the two opposite wedge-shaped clamping grooves are matched with the wedge-shaped clamping holder in shape, and the wedge-shaped clamping holder is clamped in the two opposite wedge-shaped clamping grooves.
Preferably, pedal side plates are arranged on the outer sides of the two pedals.
Preferably, a cross-shaped support beam is arranged inside the stair mounting beam and abuts against the rectangular connecting piece.
Preferably, the axial limiting device comprises a bolt, bolt holes are respectively formed in the angle wheel, the step mounting pipe and the rectangular connecting piece, the bolt is inserted into the bolt holes of the angle wheel, the step mounting pipe and the rectangular connecting piece, the bolt holes in the angle wheel and the rectangular connecting piece are long bolt holes, and the length of each long bolt hole is matched with the adjustment angle of the step.
Preferably, each component of the stair is made of aluminum alloy.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
1) the stair adopts a combined structure, the connection mode and the structure are simple, the number of components is small, and the stair can be more conveniently installed and detached.
2) Aluminum profiles are selected for all the components, and compared with the traditional concrete and steel structure stairs, the stair has the advantages of lighter weight, lower transportation cost and more convenient processing.
3) According to actual installation requirements, the large-angle adjustment of the stair treads from 0-90 degrees is realized through the rotation change of the inner and outer teeth between the angle wheels and the step installation pipes, and the adaptability of the stair to the high building layer is improved.
Drawings
FIG. 1 is an assembly view of an embodiment of the modular stairway of the present invention;
FIG. 2 is a transverse cross-sectional view of FIG. 1;
FIG. 3 is an enlarged cross-sectional view taken at B-B of FIG. 2;
FIG. 4 is an exploded view of FIG. 2;
wherein: the stair climbing device comprises a 1-cross support frame, a 2-stair mounting beam, a 3-pedal, a 4-pedal connecting piece, a 5-step mounting pipe, a 6-bolt, a 7-angle wheel, an 8-rectangular connecting piece, a 9-pedal side plate, a 21-rectangular hole and a 51-wedge-shaped clamping support.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, in a combined stair, steps are installed between two stair installation beams 2.
As shown in fig. 2, 3 and 4, an angle adjusting device is arranged between the step and the stair installation beam 2, the angle adjusting device comprises an angle wheel 7 and a step installation pipe 5, outer gear teeth are arranged on the outer peripheral surface of the angle wheel 7, inner gear teeth are arranged on the inner peripheral surface of the step installation pipe 5, the angle wheel 7 is sleeved with the step installation pipe 5, and the outer gear teeth are meshed with the inner gear teeth; the step is fixed on the step mounting pipe 5; the stair mounting beam 2 is of a hollow structure, a rectangular hole 21 is formed in one side wall of the stair mounting beam 2, a rectangular connecting piece 8 is mounted on the stair mounting beam 2, and the rectangular connecting piece 8 extends out of the rectangular hole 21 and is axially inserted into the angle wheel 7; a cross supporting beam 1 is arranged inside the stair mounting beam 2, and the cross supporting beam 1 abuts against the rectangular connecting piece 8.
An axial limiting device is arranged among the angle wheel 7, the step mounting pipe 5 and the rectangular connecting piece 8. The axial limiting device comprises a bolt 6, an angle wheel 7, a step mounting pipe 5 and a rectangular connecting piece 8, wherein bolt holes are formed in the angle wheel 7, the step mounting pipe 5 and the rectangular connecting piece 8 respectively, the bolt 6 is inserted into the bolt holes of the angle wheel 7 and the step mounting pipe 8, the bolt holes are long bolt holes, and the length of each long bolt hole is matched with the adjustment angle of the step. During angle adjustment, take out bolt 6, break away from step installation pipe 5 and angle wheel 7, then after rotating corresponding angle, insert step installation pipe 5 angle wheel 7 again and make corresponding inside and outside tooth meshing, the adjustment of stair tread from 0 to 90 wide-angle can be realized to this structure, has improved the adaptability of stair to the high of building layer.
The step includes two footboards 3 and footboard connecting piece 4, and the relative inboard of two footboards 3 is provided with connecting groove respectively, and footboard connecting piece 4 peg graft in connecting groove links together two footboards 3. The connecting groove comprises an arc-shaped head part and an opening tail part, the arc-shaped head part is communicated with the opening tail part, and the size of the arc-shaped head part is larger than that of the opening tail part. The outer sides of the two pedals 3 are provided with pedal side plates 9.
The outer part of the pipe wall of the step mounting pipe 5 is provided with a wedge-shaped clamping holder 51, the opposite inner sides of the two pedals 3 are respectively provided with a wedge-shaped clamping groove, the shapes of the two oppositely arranged wedge-shaped clamping grooves are matched with the wedge-shaped clamping holder 51, and the wedge-shaped clamping holder 51 is clamped in the two oppositely arranged wedge-shaped clamping grooves.
The utility model discloses in, in order to lighten the transportation of being convenient for, each component all adopts aluminum alloy material to make.
The utility model discloses a modular structure, its assembly method is as follows:
firstly, a rectangular connecting piece 8 is arranged in a stair mounting beam 2, the rectangular connecting piece 8 is correspondingly arranged at the position of a rectangular hole 21 formed in the stair mounting beam 2, the small square end of the rectangular connecting piece 8 is pushed out towards the direction of the stair mounting beam 2 with the rectangular hole 21, a cross supporting beam 1 is inserted into the stair mounting beam 2, and the effects of reinforcing a stair and limiting the position of the rectangular connecting piece are achieved; aligning the inner rectangular hole on the angle wheel 7 with the small rectangular block on the rectangular connecting piece 8, and pushing the angle wheel 7 into the inner rectangular hole; the step mounting pipe 5 is inserted into the outer gear teeth of the angle wheel 7 at a corresponding angle, the bolt holes of the rectangular connecting piece 8, the angle wheel 7 and the step mounting pipe 5 are fixedly locked through the pin 6, the wedge-shaped clamping groove formed by combining the relative inner sides of the two pedals 3 is correspondingly clamped and combined with the wedge-shaped clamping support 51 on the pipe wall of the step mounting pipe 5 according to the pedal structure, a spliced connecting groove is formed at the upper end of the wedge-shaped clamping support 51 of the step mounting pipe 5 after the two pedals are combined, the pedal connecting piece 4 is inserted into the two matched pedals 3, the pedal side plate 9 is mounted on the outer side of the step formed by the two pedals 3, and steps on the positions of other rectangular holes 21 on the stair mounting beam 2 are mounted according to the principle.
The present invention is not limited to the above embodiments, and all changes made based on the concept, structure, method and principle of the present invention will fall within the protection scope of the present invention.
Claims (8)
1. A modular stairway, comprising:
the stair installing structure comprises two stair installing beams and a plurality of steps, wherein the steps are installed between the two stair installing beams; it is characterized in that the preparation method is characterized in that,
an angle adjusting device is arranged between the step and the stair mounting beam and comprises an angle wheel and a step mounting pipe, outer gear teeth are arranged on the outer peripheral surface of the angle wheel, inner gear teeth are arranged on the inner peripheral surface of the step mounting pipe, the step mounting pipe is sleeved on the angle wheel, and the outer gear teeth are meshed with the inner gear teeth;
the step is fixed on the step mounting pipe;
the stair mounting beam is of a hollow structure, a rectangular hole is formed in one side wall of the stair mounting beam, a rectangular connecting piece is mounted on the stair mounting beam, and the rectangular connecting piece extends out of the rectangular hole and is axially spliced with the angle wheel;
and axial limiting devices are arranged among the angle wheel, the step mounting pipe and the rectangular connecting piece.
2. The modular stairway of claim 1, wherein the stairs comprise two treads and tread connectors, wherein the opposite inner sides of the two treads are respectively provided with a connecting groove, and the tread connectors are inserted into the connecting grooves to connect the two treads together.
3. The modular stairway of claim 2 wherein said attachment recess includes an arcuate head portion and an open tail portion, said arcuate head portion being in communication with said open tail portion and being of a greater size than said open tail portion.
4. The assembled staircase as claimed in claim 2, wherein the step mounting tube has a wedge-shaped engaging portion at an outer portion thereof, the two treads have a wedge-shaped engaging portion at opposite inner sides thereof, the two wedge-shaped engaging portions are adapted to the wedge-shaped engaging portion, and the wedge-shaped engaging portion is engaged with the two wedge-shaped engaging portions.
5. The modular stairway of claim 2 wherein tread side panels are provided on the outer sides of both of said treads.
6. A modular staircase as defined in claim 1, characterised in that a cross-shaped support beam is arranged inside the staircase-mounting beam, which cross-shaped support beam abuts against the rectangular connecting element.
7. The modular stairway as claimed in claim 1, wherein said axial stop means comprises a pin, said angle wheel, said step mounting tube and said rectangular connector are provided with pin holes respectively, said pin is inserted into said pin holes, said angle wheel and said rectangular connector are long pin holes, and the length of said long pin hole is adapted to the adjustment angle of said step.
8. The modular stairway of claim 1 wherein each of the plurality of stair components is formed of an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351046.2U CN210563065U (en) | 2019-08-19 | 2019-08-19 | Combined stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351046.2U CN210563065U (en) | 2019-08-19 | 2019-08-19 | Combined stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210563065U true CN210563065U (en) | 2020-05-19 |
Family
ID=70636253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921351046.2U Expired - Fee Related CN210563065U (en) | 2019-08-19 | 2019-08-19 | Combined stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210563065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388012A (en) * | 2019-08-19 | 2019-10-29 | 酷屋(山东)网络科技有限公司 | Modular stairway |
-
2019
- 2019-08-19 CN CN201921351046.2U patent/CN210563065U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388012A (en) * | 2019-08-19 | 2019-10-29 | 酷屋(山东)网络科技有限公司 | Modular stairway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20210819 |