CN214615100U - Steel structure stair for multi-storey industrial residential building - Google Patents
Steel structure stair for multi-storey industrial residential building Download PDFInfo
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- CN214615100U CN214615100U CN202023233148.XU CN202023233148U CN214615100U CN 214615100 U CN214615100 U CN 214615100U CN 202023233148 U CN202023233148 U CN 202023233148U CN 214615100 U CN214615100 U CN 214615100U
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- stair
- rod
- unlocking
- gear
- steel structure
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Abstract
The utility model belongs to the technical field of industrial steel structure equipment, in particular to a multi-layer industrial residential building steel structure stair, aiming at the problem of the defect that people can not escape quickly through the stair when meeting emergency, the utility model provides a stair base, the two sides of the stair base are rotationally connected with a plurality of pedals, the bottoms of the pedals are rotationally connected with a support column, and the support column is rotationally connected with a same linkage rod, the bottom of the linkage rod is fixedly provided with a telescopic rack, the bottom of the telescopic rack is engaged with a gear, the gear is rotationally connected with the stair base, the gear is rotationally connected with a connecting rod, the connecting rod is rotationally connected with a crank, the utility model has simple structure, the pedals are unlocked by pressing down the handrails, the pedals fall down to form an inclined plane, and people trapped can escape from the stair conveniently, the stair can be recovered by rotating the crank, the operation is simple, and the use is convenient.
Description
Technical Field
The utility model relates to an industrial steel structure equipment technical field especially relates to a multilayer industrialization residential building steel construction stair.
Background
The steel structure stair is favored by people due to good structure and strong decoration, is widely used in the building field and the decoration field, and particularly brings wide development space when a light steel integrated house is started;
the stair in the existing house or office place usually needs people to walk in a first order or go upstairs and downstairs through an elevator, but when accidents such as fire disasters occur in the house or office place and escape is needed, the elevator can not be used, people need to walk downwards in the first order on the stair, time is wasted, and people can not get out of the stairs and can be injured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that the steel structure stair of the multi-layer industrialized residential building cannot be quickly escaped through the stair when an emergency situation occurs in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a steel structure stair for a multi-storey industrial residential building comprises a stair base, wherein a plurality of pedals are rotatably connected to two sides of the stair base, a support column is rotatably connected to the bottom of each pedal, the same linkage rod is rotatably connected to the support column, a telescopic rack is fixedly mounted at the bottom of each linkage rod, a gear is meshed at the bottom of each telescopic rack, the gears are rotatably connected to the stair base, a connecting rod is rotatably connected to the gears, a crank is rotatably connected to the connecting rod, a buckling frame is fixedly mounted on each gear, a spring frame is fixedly mounted on the stair base, a second spring is fixedly mounted in each spring frame, a buckling block is fixedly mounted at the top end of each second spring and is in sliding contact with the buckling frame, unlocking frames are fixedly mounted on the tops of two sides of the stair base, and unlocking rods are slidably connected to the unlocking frames, the unlocking rod is characterized in that a central rod is fixedly installed at the bottom of the unlocking rod, the central rod is in sliding contact with the two linkage rods respectively, the unlocking rod is in sliding contact with the buckling block, and the crank is located below the unlocking rod.
Preferably, the cover is equipped with the button spring on the unblock pole, the bottom fixed mounting of button spring is on the unblock frame, the equal fixed mounting in both sides of unblock pole has the handrail for press the unblock pole and kick-back the unblock pole.
Preferably, the bottom of support column fixed mounting has the runner, runner and stair base sliding contact are used for reducing the friction between support column and the stair base.
Preferably, one side of the pedal is provided with an inclined plane, and the inclined plane is in sliding contact with the stair base and is used for tightly attaching the pedal to the stair base to prevent injury caused by sliding on the inclined plane.
Preferably, one side fixed mounting of footboard has the gag lever post, gag lever post and support column sliding contact for prevent that the support column is 90 with the open maximum angle of footboard.
The utility model has the advantages that: in an emergency, the handrail is pressed down to drive the unlocking rod to move downwards, the buckling block is separated from the gear after the handrail moves, the gear can rotate freely after the separation, the unlocking rod can also drive the central rod to descend, the central rod drives the linkage rod to move, the linkage rod retracts the supporting column, the pedals fall down after the linkage rod retracts, a plurality of pedals form an inclined plane, and at the moment, trapped people can quickly slide down through the inclined plane to escape from a corridor;
the gear is rotated through the crank, the gear drives the telescopic rack, the telescopic rack drives the linkage rod, the linkage rod extends the support column out and supports the pedal, and the support column is perpendicular to the pedal;
the utility model discloses simple structure, through pressing down the handrail, the footboard unblock is fallen with the handrail to constitute an inclined plane, makes things convenient for stranded personnel to escape the corridor, still can resume stair, easy operation, convenient to use through rotatory crank.
Drawings
Fig. 1 is a front view of a steel structure stair of a multi-storey industrial residential building according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: the stair comprises a stair base 1, an unlocking frame 2, a pedal 3, a support column 4, an unlocking rod 5, a linkage rod 6, a button spring 7, a telescopic rack 8, a connecting rod 9, a central rod 10, a second spring 11, a gear 12, a spring frame 13, a buckling block 14, a buckling frame 15 and a crank 16.
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.
Referring to fig. 1-3, a steel structure stair for multi-storey industrial residential buildings comprises a stair base 1, wherein a plurality of pedals 3 are rotatably connected to two sides of the stair base 1, a support column 4 is rotatably connected to the bottom of each pedal 3, the same linkage rod 6 is rotatably connected to the support column 4, a telescopic rack 8 is fixedly mounted at the bottom of the linkage rod 6, a gear 12 is meshed at the bottom of the telescopic rack 8, the gear 12 is rotatably connected to the stair base 1, a connecting rod 9 is rotatably connected to the gear 12, a crank 16 is rotatably connected to the connecting rod 9, a buckle frame 15 is fixedly mounted on the gear 12, a spring frame 13 is fixedly mounted on the stair base, a second spring 11 is fixedly mounted in the spring frame 13, a buckle block 14 is fixedly mounted at the top end of the second spring 11, the buckle block 14 is in sliding contact with the buckle frame 15, and unlocking frames 2 are fixedly mounted at the tops of two sides of the stair base 1, an unlocking rod 5 is connected in the unlocking frame 2 in a sliding mode, a central rod 10 is fixedly installed at the bottom of the unlocking rod 5, the central rod 10 is in sliding contact with the two linkage rods 6 respectively, the unlocking rod 5 is in sliding contact with the clamping block 14, and the crank 16 is located below the unlocking rod 5; the unlocking rod 5 is sleeved with a button spring 7, the bottom end of the button spring 7 is fixedly arranged on the unlocking frame 2, and handrails are fixedly arranged on two sides of the unlocking rod 5 and used for pressing the unlocking rod 5 and rebounding the unlocking rod 5; the bottom of the support column 4 is fixedly provided with a rotating wheel, and the rotating wheel is in sliding contact with the stair base 1 and is used for reducing friction between the support column 4 and the stair base 1; one side of the pedal 3 is provided with an inclined plane which is in sliding contact with the stair base 1 and is used for tightly attaching the pedal 3 to the stair base 1 so as to prevent injury caused by sliding on the pedal; one side fixed mounting of footboard 3 has the gag lever post, gag lever post and support column 4 sliding contact for prevent that support column 4 is 90 with the biggest angle that footboard 3 opened.
In the utility model, when meeting emergency, only the handrail needs to be pressed down, the staircase can be directly changed into a slide after the handrail is pressed down, the handrail drives the unlocking rod 5 to descend, the unlocking rod 5 presses the buckling block 14 downwards to unlock the buckling block 14 and the buckling frame 15 on the gear 12, at the moment, the gear 12 can rotate freely, after the unlocking rod 5 descends continuously, the bottom of the unlocking rod 5 is fixedly provided with a central rod 10, the central rod 10 is provided with a triangular block, the linkage rod 9 is provided with an inclined plane, after the triangular block contacts with the inclined plane, after the contact, the linkage rod 9 above is pushed to the left side, the linkage rod 9 below is pushed to the right side, at the moment, the support column 4 can be retracted by the linkage rod 9, after the retraction, the pedals 3 fall down, a plurality of pedals 3 after the fall down form an inclined plane, at the moment, the trapped person can slide down quickly through the inclined plane to escape the corridor, when the danger is relieved and the stairs need to be restored to a normal state, a crank 16 needs to be rotated on a gear 12, the crank 16 drives the gear 12 to rotate, the gear 12 drives a telescopic rack 8 to move, the telescopic rack 8 drives a linkage rod 6 to move, the linkage rod 6 stretches out a supporting column 4, then a pedal 3 is supported, the gear 12 drives a clamping frame 15 to rotate after the gear 12 rotates, the gear rotates to be in contact with a clamping block 14 and clamps the clamping block 14 in the clamping frame 15, the supporting column 4 is completely stretched out at the moment, the pedal 3 is supported to be flat, and the supporting 4 columns are perpendicular to the pedal 3 at the moment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The steel structure stair for the multi-storey industrial residential building comprises a stair base (1) and is characterized in that a plurality of pedals (3) are rotatably connected to two sides of the stair base (1), a support column (4) is rotatably connected to the bottom of each pedal (3), the same linkage rod (6) is rotatably connected to each support column (4), a telescopic rack (8) is fixedly mounted at the bottom of each linkage rod (6), a gear (12) is meshed with the bottom of each telescopic rack (8), the gear (12) is rotatably connected to the stair base (1), a connecting rod (9) is rotatably connected to each gear (12), a crank (16) is rotatably connected to each connecting rod (9), a buckle frame (15) is fixedly mounted on each gear (12), a spring frame (13) is fixedly mounted on the stair base (1), and a second spring (11) is fixedly mounted in each spring frame (13), the top fixed mounting of second spring (11) has buckle piece (14), buckle piece (14) and buckle frame (15) sliding contact, equal fixed mounting has unlocking frame (2) on the both sides top of stair base (1), sliding connection has unlocking lever (5) in unlocking frame (2), unlocking lever (5) bottom fixed mounting has well core rod (10), well core rod (10) respectively with two gangbar (6) sliding contact, unlocking lever (5) and buckle piece (14) sliding contact, crank (16) are located unlocking lever (5) below.
2. The multi-storey steel structure stair for the industrialized residential buildings according to claim 1, wherein the unlocking rod (5) is sleeved with a button spring (7), the bottom end of the button spring (7) is fixedly installed on the unlocking frame (2), and handrails are fixedly installed on two sides of the unlocking rod (5).
3. The multi-storey industrial residential building steel structure staircase according to claim 1, wherein the bottom of the supporting column (4) is fixedly mounted with a rotating wheel, and the rotating wheel is in sliding contact with the staircase base (1).
4. The multi-storey industrial residential building steel structure staircase according to claim 1, characterized in that one side of the tread (3) is provided with a slope, which is in sliding contact with the staircase base (1).
5. The multi-storey industrial residential building steel structure stair is characterized in that a limiting rod is fixedly installed on one side of the pedal (3) and is in sliding contact with the supporting columns (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233148.XU CN214615100U (en) | 2020-12-29 | 2020-12-29 | Steel structure stair for multi-storey industrial residential building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233148.XU CN214615100U (en) | 2020-12-29 | 2020-12-29 | Steel structure stair for multi-storey industrial residential building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214615100U true CN214615100U (en) | 2021-11-05 |
Family
ID=78433179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023233148.XU Active CN214615100U (en) | 2020-12-29 | 2020-12-29 | Steel structure stair for multi-storey industrial residential building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214615100U (en) |
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2020
- 2020-12-29 CN CN202023233148.XU patent/CN214615100U/en active Active
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