CN212001994U - Collapsible prefabricated steel construction stair - Google Patents
Collapsible prefabricated steel construction stair Download PDFInfo
- Publication number
- CN212001994U CN212001994U CN201922444502.4U CN201922444502U CN212001994U CN 212001994 U CN212001994 U CN 212001994U CN 201922444502 U CN201922444502 U CN 201922444502U CN 212001994 U CN212001994 U CN 212001994U
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- ladder
- group
- side board
- pedal
- picture peg
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Abstract
The utility model discloses a collapsible prefabricated assembled steel structure stair, including top board, last group's ladder, lower group's ladder, connection hinge, pedal picture peg, handrail, locking groove, removal wheel and supporting seat, go up group's ladder lower extreme and lower group's ladder upper end and realize foldable connection through connecting the hinge side by side, the upper end of going up group's ladder is equipped with and is connected with the top board through spacing connection pivot, the bottom of top board is equipped with the slipmat, the positive both ends of lower group's ladder are fixed respectively and are equipped with the removal wheel, and the bottom of lower group's ladder is equipped with the supporting seat of hub connection, compares with prior art, this kind of collapsible prefabricated assembled steel structure stair wholly adopts the steel structure to make, long service life, and structural strength is high, wholly adopts foldable design of inserting, improves the portability and the mobility of whole stair greatly, reduces the space that stair occupy.
Description
Technical Field
The utility model relates to a steel construction stair especially relates to a collapsible prefabricated steel construction stair.
Background
The 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. Stairways are also provided in multi-story and high-rise buildings provided with elevators and escalators as the main means of vertical transportation. High-rise buildings, although using elevators as the main vertical transport means, still need to keep staircases for escape in case of fire. The stairs are composed of continuous stair sections (also called stair runs), platforms (rest platforms), enclosing members 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. Stairs have been engraved in the heavy room image on the copper ware in the warring period of China. In italy of the 15-16 th century, the indoor stairs are liberated from the traditional closed space, so that the indoor stairs become building components with varied shapes and decorative effects.
The steel structure stair is integrally made of a steel structure, the steel structure stair is long in service life, high in structural strength, integrally foldable and insertable in design, portability and mobility of the whole stair are greatly improved, and occupied space of the stair is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a collapsible prefabricated steel construction stair to solve the problem that proposes in the above-mentioned background art.
The purpose of the utility model is realized by the following technical proposal: the utility model provides a collapsible prefabricated assembled steel structure stair, includes top board, goes up the group ladder, organizes the ladder down, connects hinge, pedal picture peg, handrail, locking groove, removal wheel and supporting seat, go up group ladder lower extreme and organize the ladder upper end down and realize foldable connection through connecting the hinge side by side, the upper end of going up the group ladder is equipped with and is connected with the top board through spacing connection pivot, the bottom of top board is equipped with the slipmat, the positive both ends of organizing the ladder down are fixed respectively to be equipped with and remove the wheel, and the bottom of organizing the ladder down is equipped with the supporting seat of hub connection, and pedal picture peg bayonet installation respectively is in last group ladder and organize the ladder down.
Further, go up the group ladder and organize the ladder down and all include left side board and right side board and install the pedal picture peg between left side board and right side board, be equipped with the slot that is used for inserting the pedal picture peg of installation on the medial surface of left side board and right side board all, and all be equipped with the locating hole in the slot, the locating head position that is equipped with on locating hole and the pedal picture peg corresponds each other, the lower extreme of locating head passes through spring mounting in the pedal picture peg.
Furthermore, the upper pressure plate is accommodated in the upper group ladder and is connected with the rotating shaft through a limiting manner to realize outward 120-150 degrees of angular rotation.
Further, prevent the edge and the dryer sealing connection of refluence piece, and the middle part is equipped with central opening, the both sides junction of going up group's ladder and group's ladder down all is equipped with the locking groove that has the latch segment, makes the left side board and the left side board interconnect of group's ladder and group's ladder down through the latch segment, and right side board interconnect, simultaneously the latch segment is fixed in the locking inslot through fixed knob.
Furthermore, the upper assembled ladder is fixedly provided with a handrail, the top ends of the left side plate and the right side plate of the upper assembled ladder are fixedly connected through a connecting plate, and the lower ends of the left side plate and the right side plate of the lower assembled ladder are fixedly connected through a connecting plate.
Compared with the prior art, the device's beneficial effect is this kind of collapsible prefabricated assembled steel construction stair, wholly adopts the steel structure to make, long service life, and structural strength is high, wholly adopts foldable design that can insert, improves the portability and the mobility of whole stair greatly, reduces the space that stair occupy.
Drawings
Fig. 1 is an overall unfolded structural view of a foldable prefabricated steel structure staircase according to the present invention;
FIG. 2 is an overall folding structure view of a foldable prefabricated steel structure staircase according to the present invention;
fig. 3 is an assembly structure view of a pedal insertion plate of a foldable prefabricated steel structure stair.
In the figure: 1. the novel anti-skid device comprises an upper pressing plate, 11, a limiting connection rotating shaft, 12, an anti-skid pad, 2, an upper group ladder, 3, a lower group ladder, 4, a connection hinge, 5, a pedal inserting plate, 51, a positioning hole, 52, a spring, 53, a positioning head, 54, a slot, 6, a handrail, 7, a locking groove, 71, a locking block, 72, a fixing knob, 8, a moving wheel, 9, a supporting seat, a left side plate, b and a right side plate.
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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work are within the scope of the present invention.
As shown in fig. 1-3, the utility model discloses a collapsible prefabricated steel construction stair, including top board 1, go up group's ladder 2, lower group's ladder 3, connection hinge 4, pedal picture peg 5, handrail 6, locking groove 7, removal wheel 8 and supporting seat 9, its characterized in that: go up 2 lower extremes of group's ladder and 3 upper ends of group's ladder down side by side and realize foldable connection through connecting hinge 4, the upper end of going up group's ladder 2 is equipped with and is connected with top board 1 through spacing connection pivot 11, the bottom of top board 1 is equipped with slipmat 12, can improve the stability of whole stair greatly through the design of slipmat 12, avoids breaking away from, the positive both ends of group's ladder 3 down are fixed respectively and are equipped with removal wheel 8, and the bottom of group's ladder 3 down is equipped with supporting seat 9 of hub connection, and pedal picture peg 5 is bayonet installation respectively on go up in group's ladder 2 and the lower group's ladder 3.
Wherein, go up group's ladder 2 and lower group's ladder 3 and all include left side board an and right side board b and install pedal picture peg 5 between left side board a and right side board b, be equipped with the slot 54 that is used for inserting pedal picture peg 5 of installation on the medial surface of left side board a and right side board b all, and all be equipped with locating hole 51 in the slot 54, locating hole 51 corresponds each other with the location head 53 position that is equipped with on the pedal picture peg 5, the lower extreme of location head 53 passes through spring 52 and installs in pedal picture peg 5, makes pedal picture peg 5 location and fixed in locating hole 51 through location head 53 block and left and right sides board a, b. The upper pressing plate 1 is accommodated in the upper group of stairs 2, and the outward 120-150-degree angle rotation is realized through the limiting connection rotating shaft 11, so that the folding of the whole stair is facilitated. Prevent the edge and the dryer sealing connection of refluence piece 22, and the middle part is equipped with central opening, the both sides junction of going up group's ladder 2 and group's ladder 3 down all is equipped with the locking groove 7 that has latch segment 71, makes the left side board and the left side board interconnect of group's ladder 2 and group's ladder 3 down through latch segment 71, right side board and right side board interconnect, simultaneously latch segment 71 is fixed in locking groove 7 through fixed knob 72 in, can improve the loading capacity of whole stair greatly through setting up of latch segment 7. Go up fixed handrail 6 that is equipped with on the group's ladder 2, and go up the group's ladder 2 about curb plate an, b top pass through connecting plate fixed connection, the curb plate a, b lower extreme pass through connecting plate fixed connection about the lower group's ladder 3, guarantee the stability of overall structure, design more rationally.
This kind of collapsible prefabricated assembled steel construction stair wholly adopts the steel structure to make, long service life, and structural strength is high, wholly adopts foldable design that can insert, improves the portability and the mobility of whole stair greatly, reduces the space that stair occupy.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a collapsible prefabricated assembled steel construction stair, includes top board (1), goes up group's ladder (2), lower group's ladder (3), connects hinge (4), pedal picture peg (5), handrail (6), locking groove (7), removes wheel (8) and supporting seat (9), its characterized in that: go up group ladder (2) lower extreme and group ladder (3) upper end down and realize folding connection through connecting hinge (4) side by side, the upper end of going up group ladder (2) is equipped with and is connected with top board (1) through spacing connection pivot (11), the bottom of top board (1) is equipped with slipmat (12), the positive both ends of group ladder (3) are fixed respectively down and are equipped with removal wheel (8), and the bottom of group ladder (3) is equipped with supporting seat (9) of hub connection down, and pedal picture peg (5) are bayonet installation respectively on go up in group ladder (2) and lower group ladder (3).
2. A collapsible prefabricated steel structure staircase according to claim 1, characterized in that: go up group ladder (2) and lower group ladder (3) and all include left side board (a) and right side board (b) and install pedal picture peg (5) between left side board (a) and right side board (b), be equipped with slot (54) that are used for inserting pedal picture peg (5) of installation on the medial surface of left side board (a) and right side board (b) all, and all be equipped with locating hole (51) in slot (54), locating hole (51) and pedal picture peg (5) are gone up locating head (53) that is equipped with and are put and correspond each other, the lower extreme of locating head (53) passes through spring (52) and installs in pedal picture peg (5).
3. A collapsible prefabricated steel structure staircase according to claim 1, characterized in that: the upper pressing plate (1) is accommodated in the upper group ladder (2) and is connected with the rotating shaft (11) in a limiting manner to rotate outwards by an angle of 120-150 degrees.
4. A collapsible prefabricated steel structure staircase according to claim 1, characterized in that: prevent the edge and the dryer sealing connection of refluence spare (22), and the middle part is equipped with central opening, the both sides junction of going up group's ladder (2) and lower group's ladder (3) all is equipped with locking groove (7) that have latch segment (71), makes the left side board and the left side board interconnect of going up group's ladder (2) and lower group's ladder (3) through latch segment (71), right side board and right side board interconnect, simultaneously latch segment (71) are fixed in locking groove (7) through fixed knob (72).
5. A collapsible prefabricated steel structure staircase according to claim 1, characterized in that: go up fixed handrail (6) that are equipped with on group's ladder (2), and go up group's ladder (2) and control curb plate (a, b) top through connecting plate fixed connection, the curb plate (a, b) lower extreme passes through connecting plate fixed connection about lower group's ladder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444502.4U CN212001994U (en) | 2019-12-30 | 2019-12-30 | Collapsible prefabricated steel construction stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444502.4U CN212001994U (en) | 2019-12-30 | 2019-12-30 | Collapsible prefabricated steel construction stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212001994U true CN212001994U (en) | 2020-11-24 |
Family
ID=73428899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922444502.4U Active CN212001994U (en) | 2019-12-30 | 2019-12-30 | Collapsible prefabricated steel construction stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212001994U (en) |
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2019
- 2019-12-30 CN CN201922444502.4U patent/CN212001994U/en active Active
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