CN111021648B - Full-automatic pavilion escalator equipment - Google Patents
Full-automatic pavilion escalator equipment Download PDFInfo
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- CN111021648B CN111021648B CN201911349998.5A CN201911349998A CN111021648B CN 111021648 B CN111021648 B CN 111021648B CN 201911349998 A CN201911349998 A CN 201911349998A CN 111021648 B CN111021648 B CN 111021648B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
- E04F11/068—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic telescopic
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Abstract
The invention discloses full-automatic stair pavilion escalator equipment which comprises a main ladder body, wherein a slide cavity with a downward opening is arranged in the main ladder body, an auxiliary ladder is connected in the slide cavity in a sliding mode, T-shaped sliding grooves are symmetrically formed in the left and right positions of the top of the auxiliary ladder, T-shaped sliding blocks are connected in the T-shaped sliding grooves in a sliding mode, the T-shaped sliding blocks are connected with the main ladder body through telescopic devices, and the telescopic devices can control the auxiliary ladder to slide in the slide cavity; the novel manual extension ladder is simple in structure and convenient to use, realizes automatic control over the conventional manual extension ladder, is convenient for a user to use, simultaneously enables the pedals to be rotated and put into the ladder body, saves space, and is attractive in appearance.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a full-automatic pavilion escalator device.
Background
An attic, namely a room positioned at the lower part of a sloping roof of a house, is a building structure, namely a high space of the building is provided, and a layer of attic floor is newly manufactured in the middle of the building and is generally used for private spaces of storage, office work, people living and the like. The entrance and exit of the attic are generally positioned on the ceiling of the lower-level space, most of the existing buildings adopt a manual telescopic escalator to connect the attic and the lower-level space, when the retractable escalator is used, a user needs to open a blocking cover by a rod, then the telescopic escalator is pulled down by the rod, and the telescopic escalator is manually stretched to enable the bottom of the escalator to contact the ground. The telescopic escalator has certain limitation when in use, depends on the rod when in use, and is inconvenient for a user who holds articles on the hand or has injured hands. And the ladder is fixed on the entrance and exit of the attic and the floor of the lower space, so that the space occupied by the ladder is large, and the living experience is influenced.
Disclosure of Invention
The invention aims to provide a full-automatic pavilion escalator device which is used for overcoming the defects in the prior art.
The full-automatic pavilion ladder equipment comprises a main ladder body, a slide cavity with a downward opening is arranged in the main ladder body, an auxiliary ladder is connected in the slide cavity in a sliding mode, T-shaped sliding grooves are symmetrically formed in the left and right positions of the top of the auxiliary ladder, T-shaped sliding blocks are connected in the T-shaped sliding grooves in a sliding mode, the T-shaped sliding blocks are connected with the main ladder body through telescopic devices, the telescopic devices can control the auxiliary ladder to slide in the slide cavity, rack grooves are formed in the left side surface of the T-shaped sliding grooves on the left side, racks are connected in the rack grooves in a sliding mode, the right end of each rack is fixed on the left side surface of the T-shaped sliding block on the left side, a first linkage cavity is formed in the front side of each rack groove, a first rotating shaft is rotatably connected between the upper wall and the lower wall of the first linkage cavity, a first gear is fixedly arranged at the top of the first rotating shaft, three first bevel gears are fixedly arranged on the first rotating shaft at equal intervals, a pedal groove with a downward opening and penetrating through the front surface and the rear surface of the auxiliary ladder is arranged on the right side of the first linkage cavity, three first pedals are rotatably connected in the pedal groove at equal intervals, a first pedal shaft penetrating through the left side surface of the pedal groove and extending into the first linkage cavity is fixedly arranged on the left side surface of the first pedal, a second bevel gear meshed with the first bevel gear is fixedly arranged at the left end of the first pedal shaft, three first arc-shaped grooves with the centers of circles coinciding with the axis of the first pedal shaft are arranged in the left wall of the pedal groove at equal intervals, a first matching rod is connected in the first arc-shaped groove in a sliding mode, the right end of the first matching rod is fixedly connected with the left side surface of the first pedal, the right side surface of the first pedal is rotatably connected with the right wall of the pedal groove through a second pedal shaft, a first pedal groove is arranged in the front surface of the main ladder and positioned on the front side of the slide cavity, a second linkage cavity is arranged in the main ladder body and positioned on the right side of the first pedal groove, a second rotating shaft is rotatably connected between the upper wall and the lower wall of the second linkage cavity, a first reel is fixedly arranged at the top of the second rotating shaft, a coil spring is connected with the top wall of the first reel and the second linkage cavity and sleeved on the second rotating shaft, an elastic rope is fixedly arranged on the first reel, three third bevel gears are fixedly arranged at equal intervals on the second rotating shaft, four second pedals are arranged at equal intervals in the first pedal groove, a third pedal shaft which penetrates through the right side surface of the first pedal groove and extends into the second linkage cavity is fixedly arranged on the right side surface of the second pedal shaft, a fourth bevel gear meshed with the third bevel gear is fixedly arranged at the right end of the third pedal shaft, and second arc-shaped grooves with three circle centers superposed with the axis of the third pedal shaft are arranged at equal intervals downwards in the right wall of the first pedal groove, and a second matching rod is connected in the second arc-shaped groove in a sliding manner, the left end of the second matching rod is fixedly connected with the right side surface of the second pedal, and the right side surface of the second pedal is rotatably connected with the right wall of the first pedal groove through a fourth pedal shaft.
On the basis of the technical scheme, the telescoping device is including setting firmly first motor in the slide chamber left wall, first motor right flank install with slide chamber right wall rotates the second main shaft of connecting, the last left and right position symmetry of second main shaft has set firmly the dog ring, the left and right sides between the dog ring the last left and right position symmetry of second main shaft is equipped with left hand thread and right hand thread that the screw thread shape is opposite, threaded connection is equipped with left control slider on the left hand thread, threaded connection has right control slider on the right hand thread, right control slider with left control slider bottom rotates and is connected with the expansion bracket, T type slider top with the expansion bracket bottom rotates and is connected.
On the basis of the technical scheme, the rear wall of the slide cavity is rotatably connected with two auxiliary wheels with symmetrical left and right positions, the left and right positions in the rear wall of the auxiliary ladder are symmetrically provided with two roller grooves, and the roller grooves are in rolling connection with the auxiliary wheels.
On the basis of the technical scheme, the top wall of the slide cavity is connected with the top of the auxiliary ladder through two return springs which are symmetrical left and right, and the bottom of the auxiliary ladder is fixedly provided with an elastic gasket.
On the basis of the technical scheme, a second reel is rotatably connected in the slide cavity, a steel cable is wound on the second reel, one end of the steel cable is fixed to the top of the auxiliary ladder, and the other end of the steel cable is connected with the elastic rope.
On the basis of the technical scheme, a first main shaft is fixedly arranged above the slide cavity in the main ladder body and penetrates through the left side surface and the right side surface of the main ladder body, a second motor is fixedly arranged at the left end of the first main shaft and fixed in the left side wall of the wall body, and the right end of the first main shaft is rotatably connected with the right wall of the wall body.
The invention has the beneficial effects that: this application simple structure, convenient to use realizes automatic control with the manual extension ladder of the supplementary use of needs pole now. The motor is used for controlling the escalator to be transferred and recovered, the problem that a user cannot open and withdraw the escalator when hands are inconvenient is solved, and the user can use the escalator more conveniently. Meanwhile, most of the existing escalators are provided with the pedals which are fixed between the escalators, so that a larger storage space is required. The invention has lower cost, is suitable for houses of various house types, and can be popularized in decoration companies or furniture stores.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a fully automatic attic escalator installation of the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B-B in FIG. 1;
FIG. 4 is a schematic view of the structure at C-C in FIG. 1;
FIG. 5 is a schematic view of the structure at D-D in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-5, the full-automatic stair case ladder device according to the embodiment of the invention comprises a main ladder body 1, a downward-opening slide chamber 12 is arranged in the main ladder body 1, an auxiliary ladder 22 is slidably connected in the slide chamber 12, T-shaped chutes 32 are symmetrically arranged at left and right positions on the top of the auxiliary ladder 22, T-shaped sliders 31 are slidably connected in the T-shaped chutes 32, the T-shaped sliders 31 are connected with the main ladder body 1 through telescopic devices 101, the telescopic devices 101 can control the auxiliary ladder 22 to slide in the slide chamber 12, rack grooves 38 are arranged in the left side surface of the T-shaped chutes 32 on the left side, racks 34 are slidably connected in the rack grooves 38, the right ends of the racks 34 are fixed on the left side surface of the T-shaped sliders 31 on the left side surface, a first linkage chamber 16 is arranged on the front side of the rack grooves 38, a first rotating shaft 14 is rotatably connected between the upper wall and the lower wall of the first linkage chamber 16, a first gear 13 is fixedly arranged at the top of the first rotating shaft 14, the rear end face of the first gear 13 is engaged with the front end face of the rack 34, when the T-shaped slider 31 moves left and right, the first rotating shaft 14 is driven to rotate, three first bevel gears 15 are fixedly arranged on the first rotating shaft 14 at equal intervals, a pedal groove 20 with a downward opening and penetrating through the front and rear faces of the auxiliary ladder 22 is arranged at the right side of the first linkage cavity 16, three first pedals 19 are rotatably connected in the pedal groove 20 at equal intervals, a first pedal shaft 18 penetrating through the left side face of the pedal groove 20 and extending into the first linkage cavity 16 is fixedly arranged on the left side face of the first pedal 19, a gear 17 engaged with the first bevel gear 15 is fixedly arranged at the left end of the first pedal shaft 18, three first arc-shaped grooves 43 with the centers of circles coinciding with the axis of the first pedal shaft 18 are fixedly arranged in the left wall of the pedal groove 20 at equal intervals, a first matching rod 44 is connected in the first arc-shaped groove 43 in a sliding manner, the right end of the first matching rod 44 is fixedly connected with the left side surface of the first pedal 19, the first matching rod 44 can slide in the first arc-shaped groove 43 along with the rotation of the first pedal 19, when the first matching rod 44 slides to the bottommost part of the first arc-shaped groove 43, the first pedal 19 cannot rotate continuously, so that the danger caused by the rotation of the first pedal 19 when a person steps on the first pedal 19 is prevented, the right side surface of the first pedal 19 is rotatably connected with the right wall of the pedal groove 20 through a second pedal shaft 21, the first gear 13 drives the first bevel gear 15 to rotate through the first rotating shaft 14, the first bevel gear 15 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the first pedal 19 to rotate, so that the first pedal 19 rotates from a vertical position to a horizontal position, a first pedal groove 37 is formed in the front surface of the main ladder body 1 and located in front of the slide chamber 12, a second linkage chamber 30 is formed in the main ladder body 1 and located on the right side of the first pedal groove 37, a second rotating shaft 42 is rotatably connected between the upper wall and the lower wall of the second linkage chamber 30, a first reel 47 is fixedly arranged at the top of the second rotating shaft 42, the top walls of the first reel 47 and the second linkage chamber 30 are connected with a coil spring 48, the coil spring 48 is sleeved on the second rotating shaft 42, an elastic rope 41 is fixedly arranged on the first reel 47, three third bevel gears 26 are fixedly arranged at equal intervals on the second rotating shaft 42, four second pedals 19 are equidistantly arranged in the first pedal groove 37, a third pedal shaft 24 penetrating through the right side surface of the first pedal groove 37 and extending into the second linkage chamber 30 is fixedly arranged on the right side surface of the second pedal 19, and a fourth bevel gear 25 meshed with the third bevel gear 26 is fixedly arranged at the right end of the third pedal shaft 24, a second arc-shaped groove 27 with three circle centers coinciding with the axis of the third pedal shaft 24 is arranged in the right wall of the first pedal groove 37 at equal intervals from top to bottom, a second matching rod 28 is connected in the second arc-shaped groove 27 in a sliding manner, the left end of the second matching rod 28 is fixedly connected with the right side face of the second pedal 19, the right side face of the second pedal 19 is rotatably connected with the right wall of the first pedal groove 37 through a fourth pedal shaft 45, the first reel 47 drives the second rotating shaft 42 to rotate, the second rotating shaft 42 drives the third bevel gear 26 to rotate, the third bevel gear 26 drives the fourth bevel gear 25 to rotate, and the fourth bevel gear 25 drives the second pedal 19 to rotate so as to enable the second pedal 19 to rotate from a vertical position to a horizontal position.
In addition, in one embodiment, the telescopic device 101 includes a first motor 11 fixedly arranged in the left wall of the slide chamber 12, a second main shaft 9 rotatably connected with the right wall of the slide chamber 12 is installed on the right side surface of the first motor 11, a block ring 8 is symmetrically and fixedly arranged on the second main shaft 9 at left and right positions, a left thread 6 and a right thread 4 with opposite thread shapes are symmetrically arranged on the second main shaft 9 between the block rings 8 at left and right sides, a left control slider 7 is arranged on the left thread 6 in a threaded connection manner, a right control slider 3 is arranged on the right thread 4 in a threaded connection manner, a telescopic frame 33 is rotatably connected to the bottoms of the right control slider 3 and the left control slider 7, the top of the T-shaped slider 31 is rotatably connected to the bottom of the telescopic frame 33, when the second main shaft 9 rotates, because the left thread 6 and the right thread 4 are symmetrically arranged, the left thread 6 is opposite to the right thread 4 in thread direction, the left control slide block 7 moves in opposite direction to the right control slide block 3 to drive the telescopic frame 33 to extend downwards, the telescopic frame 33 can drive the T-shaped slide block 31 to move downwards, and the T-shaped slide block 31 drives the auxiliary ladder 22 to move downwards.
In addition, in one embodiment, two auxiliary wheels 35 with symmetrical left and right positions are rotatably connected to the rear wall of the slide cavity 12, two roller grooves 36 are symmetrically arranged at left and right positions in the rear wall of the auxiliary ladder 22, the roller grooves 36 are rotatably connected with the auxiliary wheels 35, and when the auxiliary ladder 22 moves downwards, the auxiliary wheels 35 roll in the roller grooves 36, so that friction between the rear surface of the auxiliary ladder 22 and the rear wall of the slide cavity 12 is reduced.
In addition, in one embodiment, the top wall of the slide cavity 12 and the top of the auxiliary ladder 22 are connected through two restoring springs 2 which are symmetrically arranged at left and right positions, an elastic gasket 23 is fixedly arranged at the bottom of the auxiliary ladder 22, the restoring springs 2 enable the auxiliary ladder 22 to descend more smoothly when the auxiliary ladder 22 descends, and also play a role in withdrawing the auxiliary ladder 22, and the elastic gasket 23 prevents the auxiliary ladder 22 from being in direct contact with a bottom plate, reduces the abrasion of the bottom plate, and also increases the friction between the auxiliary ladder 22 and the bottom plate.
In addition, in one embodiment, a second reel 39 is rotatably connected in the slide chamber 12, a cable 40 is wound on the second reel 39, one end of the cable 40 is fixed on the top of the auxiliary ladder 22, the other end of the cable 40 is connected with the elastic rope 41, when the auxiliary ladder 22 descends, the cable 40 is driven to descend, the cable 40 drives the first reel 47 to rotate, the auxiliary ladder 22 descends and is rotationally linked with the second pedal 19, and the elastic rope 41 can prevent the influence of the descending of the auxiliary ladder 22 after the second pedal 19 rotates to the right position.
In addition, in one embodiment, a first main shaft 5 is fixedly arranged in the main ladder body 1 and above the slide cavity 12, the first main shaft 5 penetrates through the left and right side surfaces of the main ladder body 1, a second motor 10 is fixedly arranged at the left end of the first main shaft 5, the second motor 10 is fixed in the left side wall of the wall 46, and the right end of the first main shaft 5 is rotatably connected with the right wall of the wall 46.
In the initial state, the return spring 2 is in the extended state under the gravity of the auxiliary ladder 22, the telescopic frame 33 is in the contracted state, and the second pedal 19 and the first pedal 19 are in the vertical state.
When the main ladder body 1 needs to be put down, the second motor 10 starts to work to drive the first main shaft 5 to rotate, the first main shaft 5 drives the main ladder body 1 to rotate downwards, and after the main ladder body 1 rotates, the second motor 10 stops working.
When the auxiliary ladder 22 needs to be put down, the first motor 11 starts to work to drive the telescopic frame 33 to extend downwards, so that the auxiliary ladder 22 descends, the first pedal 19 slowly rotates to a horizontal state, the auxiliary ladder 22 descends and drives the first reel 47 to rotate through the steel cable 40, the second pedal 19 slowly rotates to the horizontal state, the elastic gasket 23 is in contact with the ground, the work is finished, and the first motor 11 stops working.
When the auxiliary ladder 22 needs to be retracted, the first motor 11 rotates reversely to drive the telescopic frame 33 to contract, so that the auxiliary ladder 22 ascends, meanwhile, the first pedal 19 rotates back to the vertical state, the first reel 47 rotates reversely under the action of the coil spring 48 to drive the second pedal 19 to rotate to the vertical state, and after the auxiliary ladder 22 is fully retracted into the slide cavity 12, the first motor 11 stops working.
When the main ladder body 1 needs to be retracted, the second motor 10 rotates reversely to rotate the main ladder body 1 into the wall 46, and the retraction work of the main ladder body 1 is completed.
The invention has the beneficial effects that: this application simple structure, convenient to use realizes automatic control with the manual extension ladder of the supplementary use of needs pole now. The motor is used for controlling the escalator to be transferred and recovered, the problem that a user cannot open and withdraw the escalator when hands are inconvenient is solved, and the user can use the escalator more conveniently. Meanwhile, most of the existing escalators are provided with the pedals which are fixed between the escalators, so that a larger storage space is required.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a full-automatic pavilion staircase equipment, includes the main ladder body, its characterized in that: a slide chamber with a downward opening is arranged in the main slide body, an auxiliary slide is connected in the slide chamber in a sliding manner, T-shaped chutes are symmetrically arranged at the left and right positions of the top of the auxiliary slide, T-shaped sliders are connected in the T-shaped chutes in a sliding manner, the T-shaped sliders are connected with the main slide body through telescopic devices, the telescopic devices can control the auxiliary slide to slide in the slide chamber, rack grooves are arranged in the left side surfaces of the T-shaped chutes on the left side, racks are connected in the rack grooves in a sliding manner, the right ends of the racks are fixed on the left side surfaces of the T-shaped sliders on the left side, a first linkage chamber is arranged on the front side of the rack grooves, a first rotating shaft is rotatably connected between the upper wall and the lower wall of the first linkage chamber, a first gear is fixedly arranged at the top of the first rotating shaft, the rear end surface of the first gear is meshed with the front, the right side of the first linkage cavity is provided with pedal grooves with downward openings and penetrating through the front and back surfaces of the auxiliary ladder, three first pedals are connected in the pedal grooves in an equidistant rotating manner, a first pedal shaft penetrating through the left side surface of the pedal groove and extending into the first linkage cavity is fixedly arranged on the left side surface of the first pedal, a second bevel gear meshed with the first bevel gear is fixedly arranged at the left end of the first pedal shaft, three first arc-shaped grooves with centers of circles coinciding with the axes of the first pedal shaft are arranged in the left wall of the pedal groove in an equidistant manner, a first matching rod is connected in the first arc-shaped grooves in a sliding manner, the right end of the first matching rod is fixedly connected with the left side surface of the first pedal, the right side surface of the first pedal is connected with the right wall of the pedal groove in a rotating manner through a second pedal shaft, a first pedal groove is arranged in the front surface of the main ladder and positioned on the front side of the slide ladder cavity, and a second linkage cavity is arranged in the main ladder body and positioned on the right side of the first, a second rotating shaft is rotatably connected between the upper wall and the lower wall of the second linkage cavity, a first reel is fixedly arranged at the top of the second rotating shaft, the top walls of the first reel and the second linkage cavity are connected with coil springs, the coil springs are sleeved on the second rotating shaft, an elastic rope is fixedly arranged on the first reel, three third bevel gears are fixedly arranged at equal intervals on the second rotating shaft, four second pedals are arranged at equal intervals in a first pedal groove, a third pedal shaft penetrating through the right side surface of the first pedal groove and extending into the second linkage cavity is fixedly arranged on the right side surface of the second pedal, fourth bevel gears meshed with the third bevel gears are fixedly arranged at the right end of the third pedal shaft, a second arc-shaped groove with three centers of circles coinciding with the axis of the third pedal shaft is formed in the right wall of the first pedal groove at equal intervals downwards, and a second matching rod is slidably connected in the second arc-shaped groove, the left end of the second matching rod is fixedly connected with the right side surface of the second pedal, and the right side surface of the second pedal is rotatably connected with the right wall of the first pedal groove through a fourth pedal shaft;
the slide intracavity rotates and is connected with the second reel, around there being the cable wire on the second reel, cable wire one end is fixed vice ladder top, the cable wire other end with elastic rope connects.
2. The full-automatic attic escalator installation according to claim 1, wherein: the telescoping device is including setting firmly first motor in the slide chamber left wall, first motor right flank install with slide chamber right wall rotates the second main shaft of connecting, the last bilateral symmetry of second main shaft has set firmly the dog ring, the left and right sides the dog between the ring bilateral symmetry of second main shaft is equipped with left hand thread and right hand thread that the screw thread shape is opposite, threaded connection is equipped with left control slider on the left hand thread, threaded connection has right control slider on the right hand thread, right side control slider with left side control slider bottom rotates and is connected with the expansion bracket, T type slider top with the expansion bracket bottom rotates and connects.
3. The full-automatic attic escalator installation according to claim 1, wherein: the slide is characterized in that two auxiliary wheels which are symmetrical left and right are connected in the rear wall of the slide cavity in a rotating mode, two roller grooves are symmetrically arranged left and right in the rear wall of the auxiliary ladder, and the roller grooves are in rolling connection with the auxiliary wheels.
4. The full-automatic attic escalator installation according to claim 1, wherein: the top wall of the slide cavity is connected with the top of the auxiliary ladder through two return springs which are symmetrical in left and right positions, and the bottom of the auxiliary ladder is fixedly provided with an elastic gasket.
5. The full-automatic attic escalator installation according to claim 1, wherein: the main ladder body is internally provided with a first main shaft fixedly arranged above the slide cavity, the first main shaft penetrates through the left side surface and the right side surface of the main ladder body, the left end of the first main shaft is fixedly provided with a second motor, the second motor is fixed in the left side wall of the wall body, and the right end of the first main shaft is rotatably connected with the right wall of the wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349998.5A CN111021648B (en) | 2019-12-24 | 2019-12-24 | Full-automatic pavilion escalator equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349998.5A CN111021648B (en) | 2019-12-24 | 2019-12-24 | Full-automatic pavilion escalator equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111021648A CN111021648A (en) | 2020-04-17 |
| CN111021648B true CN111021648B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911349998.5A Active CN111021648B (en) | 2019-12-24 | 2019-12-24 | Full-automatic pavilion escalator equipment |
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| CN (1) | CN111021648B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978738B (en) * | 2021-12-24 | 2022-03-11 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB450334A (en) * | 1935-03-08 | 1936-07-15 | Arthur Albert Clements | Loft ladders |
| GB685058A (en) * | 1949-11-11 | 1952-12-31 | Gravity Ladders Ltd | Improvements in extending ladders |
| JP3115857B2 (en) * | 1997-12-22 | 2000-12-11 | 酒井医療株式会社 | Staircase equipment |
| CN2515339Y (en) * | 2001-11-30 | 2002-10-09 | 李云芳 | Telescopic stairway |
| PL227158B1 (en) * | 2011-01-11 | 2017-11-30 | Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością | Unit for closing the ceiling opening with the folding stairs |
| CN206397011U (en) * | 2016-12-15 | 2017-08-11 | 彭博荣 | Folding stair |
| CN209339474U (en) * | 2018-11-13 | 2019-09-03 | 李勇豪 | A kind of collapsible loft ladder of adjustable-length and angle |
| CN110206340B (en) * | 2019-06-20 | 2024-03-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Telescopic stair |
| CN110453859B (en) * | 2019-08-21 | 2021-03-30 | 浙江恒鸿建设有限公司 | Reversible fast-assembling stair |
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2019
- 2019-12-24 CN CN201911349998.5A patent/CN111021648B/en active Active
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Effective date of registration: 20210506 Address after: 311800 room 603, unit 2, building F27, Futian garden, Zhuji Huandong street, Shaoxing City, Zhejiang Province Applicant after: Zhang Yijun Address before: No. 321400, Dinghu street, Jinyun County, Zhejiang Province Applicant before: Jinyun journey Machinery Technology Co.,Ltd. |
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