CN113175165A - Intelligent home stair structure assisting wheelchair in climbing - Google Patents
Intelligent home stair structure assisting wheelchair in climbing Download PDFInfo
- Publication number
- CN113175165A CN113175165A CN202110492922.9A CN202110492922A CN113175165A CN 113175165 A CN113175165 A CN 113175165A CN 202110492922 A CN202110492922 A CN 202110492922A CN 113175165 A CN113175165 A CN 113175165A
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- Prior art keywords
- wheelchair
- rod
- climbing
- assisting
- stair
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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
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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
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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
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
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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
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
- E04F11/1817—Connections therefor
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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
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1868—Miscellaneous features of handrails not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1868—Miscellaneous features of handrails not otherwise provided for
- E04F2011/1876—Movable elements, e.g. against sunlight
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses an intelligent household stair structure for assisting a wheelchair to climb, which comprises a stair body and a motor, wherein a bottom rod and an ejector rod are fixedly arranged on the stair body, the bottom rod is positioned at the outer side of the ejector rod, the inner sides of the bottom rod and the ejector rod are respectively connected with the top of a transmission part in a sliding manner, the bottom of the transmission part is connected with the top end of an electric push rod, the bottom end of the electric push rod is fixedly connected with a movable table, a plurality of positioning parts are arranged on the movable table, the positioning parts are used for locking the position of the wheelchair by clamping rollers at the bottom of the wheelchair to prevent the wheelchair from deviating in the lifting process, because the clamping plates can rotate around pin shafts at the inner sides of through grooves, the rollers of the wheelchair can be clamped between the clamping plates and the through grooves to lock the position of the wheelchair, the wheelchair is prevented from deviating in the lifting process, the safety is improved, and the wheelchair is pulled to move by the sliding manner of the transmission parts, the movement is more stable and labor-saving, and the safety is stronger.
Description
Technical Field
The invention relates to the technical field of furniture equipment, in particular to an intelligent household stair structure for assisting a wheelchair to climb.
Background
At present, a large number of people with mobility inconvenience exist in the elderly, the disabled and the patients in China, the people form a large wheelchair demand group, the great demand promotes the rapid development of the wheelchair industry in China in recent years, and the electric wheelchairs and the manpower wheelchairs enter thousands of households in large quantity, so that the life quality is improved. However, both electric wheelchairs and manpower wheelchairs have the difficulty of going upstairs, but most people in China still live in multi-storey buildings without elevators nowadays, and go upstairs and downstairs depend on stairs, so that the popularization of the wheelchairs is limited to a certain extent.
Therefore, the wheelchair has a stair climbing function and becomes a subject to be attacked urgently, related manufacturers invest a large amount of manpower and material resources to research and develop, and at present, a plurality of electric wheelchairs with the stair climbing function are available, for example, the Chinese invention with the publication number of CN104207899B discloses a stair climbing wheelchair, which comprises a wheelchair stair climbing device, a seat and traveling wheels, wherein the wheelchair stair climbing device comprises a power part, a gear chain transmission system and a stair climbing structure, two sets of four-leg foot frames are driven by the wheel chain system to alternately move forwards and descend, but the wheelchair is unstable in movement, large in impact and hard in force and has certain potential safety hazard; when the wheelchair is adopted, the wheelchair is required to be refitted or replaced by a new wheelchair, and for the personnel groups of the existing wheelchair, the existing wheelchair is subjected to elimination and scrapping, so that the full utilization of resources is not facilitated, and the resources are wasted.
Therefore, an intelligent household stair structure assisting the climbing of the wheelchair is provided for solving the problems.
Disclosure of Invention
The invention aims to provide an intelligent household stair structure for assisting a wheelchair to climb so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent household stair structure assisting a wheelchair to climb comprises a stair body and a motor, wherein a bottom rod and an ejector rod are fixedly mounted on the stair body, the bottom rod is located at the outer side of the ejector rod, the inner sides of the bottom rod and the ejector rod are respectively connected with the top of a transmission part in a sliding mode, the bottom of the transmission part is connected with the top end of an electric push rod, the bottom end of the electric push rod is fixedly connected with a movable table, and a plurality of positioning parts are arranged on the movable table;
the positioning component is used for locking the position of the wheelchair by clamping the idler wheel at the bottom of the wheelchair, so that the wheelchair is prevented from deviating in the lifting process;
the transmission part is fixedly connected with one end of a steel wire rope, and the other end of the steel wire rope is fixedly connected with a driving part;
the driving part is used for winding and winding the steel wire rope so as to pull the transmission part to move.
Preferably, the transmission part comprises a center shaft, two ends of the center shaft are rotatably connected and inserted into the axis of the limiting block, the periphery of the limiting block is connected with the hollow inner groove inside the bottom rod or the top rod in a sliding mode, the periphery of the center shaft is fixedly connected with one end of the steel wire rope, the periphery of the center shaft is fixedly connected with the bottom of the fixing seat, and the periphery of the fixing seat penetrates through the opening at the bottom of the bottom rod or the top rod.
Preferably, fixing base bottom fixed connection telescopic link top, telescopic link bottom fixed connection fixed plate upper surface, the telescopic link week side cover is equipped with tension spring, both ends are fixed connection respectively about tension spring the fixing base bottom with the fixed plate upper surface, the fixed plate lower surface passes through the articulated electric putter top of connecting of free bearing.
Preferably, the driving part comprises a protective shell, the protective shell outer wall is fixedly connected with the bottom rod and the ejector rod end, the protective shell inner side wall is connected with two ends of a rotating shaft in a rotating mode, the rotating shaft is connected with a motor output shaft through a belt, the motor is fixedly installed on the bottom wall of the protective shell, two winding wheel axes are fixedly connected to the middle of the rotating shaft, and one end of a steel wire rope is fixedly connected to the periphery of each winding wheel.
Preferably, the positioning component comprises a pin shaft, the two ends of the pin shaft are fixedly connected with the inner sides of through grooves formed in the movable table, the through grooves are formed in the positions corresponding to the positions of the rollers at the bottom of the wheelchair, the periphery of the pin shaft is rotatably connected with the central position of a clamping plate, and the clamping plate can rotate around the pin shaft on the inner sides of the through grooves.
Preferably, the edge part of the movable table is an inclined surface.
Preferably, the ejector pin passes through a plurality of long supporting legs fixed connection stair body both sides, the sill bar passes through a plurality of short supporting legs fixed connection stair body both sides, on the ejector pin drive disk assembly with connect through the longer electric putter of stroke between the activity platform upper surface, make the activity platform keeps the level.
Preferably, the circumferential side of the steel wire rope penetrates through the side wall of the protective shell, and the perforated part is located in the center of the connecting part of the bottom rod and the protective shell.
Preferably, a placing groove is formed in the ground at the bottom of the stair body, and the inner side of the placing groove is attached to the edge of the movable table.
Compared with the prior art, the invention has the beneficial effects that:
1. in the lifting process of the movable table, the clamping plate can rotate around the pin shaft at the inner side of the through groove, the idler wheel of the wheelchair can be clamped between the clamping plate and the through groove, the position of the wheelchair is locked, the wheelchair is prevented from deviating in the lifting process, the safety is improved, the wheelchair is pulled to move in a sliding mode through the transmission part, the movement is more stable and labor-saving, and the safety is stronger;
2. the device can be suitable for the existing wheelchair, the wheelchair does not need to be modified, a new wheelchair does not need to be replaced, the device can be used only by being additionally arranged on a needed stair to drive the wheelchair to climb a building, and the device is suitable for various wheelchairs, is convenient to use and is beneficial to saving resources;
3. the movable platform can be placed in the placing groove and is kept horizontal with the ground, when the movable platform is not used for lifting, the ejector rod can be used as a common handrail, the structure is light and handy, the structure is mostly a built-in structure, and normal use stairs of normal personnel are not influenced when the wheelchair is convenient to move up and down.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the transmission member of the present invention;
FIG. 4 is a perspective view of a limiting block and a middle shaft of the transmission component of the present invention;
FIG. 5 is a schematic view of the structure of the driving member of the present invention;
FIG. 6 is a schematic view of a positioning member according to the present invention.
In the figure: 1. a stair body; 2. a bottom bar; 3. a top rod; 4. a drive member; 5. a movable table; 6. an electric push rod; 7. a positioning member; 8. a placement groove; 9. a transmission member; 10. a wire rope; 21. short supporting legs; 31. long supporting legs; 41. a protective shell; 42. a rotating shaft; 43. a winding wheel; 44. a belt; 45. an electric motor; 71. clamping a plate; 72. a pin shaft; 73. a through groove; 91. a telescopic rod; 92. a tension spring; 93. a fixing plate; 94. hinging seat; 95. a fixed seat; 96. a limiting block; 97. a middle shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an intelligent household stair structure assisting a wheelchair to climb comprises a stair body 1 and a motor 45, wherein a bottom rod 2 and an ejector rod 3 are fixedly installed on the stair body 1, the bottom rod 2 and the ejector rod 3 can be fixedly supported, the bottom rod 2 is located at the outer side of the ejector rod 3, a movable table 5 is prevented from touching the bottom rod 2 when moving, and the ejector rod 3 can be used as a common handrail when the movable table 5 is not used for lifting;
according to the invention, the inner sides of a bottom rod 2 and a top rod 3 are respectively connected with the top of a transmission part 9 in a sliding manner, the transmission part 9 can slide on the inner sides of the bottom rod 2 and the top rod 3, the bottom of the transmission part 9 is connected with the top end of an electric push rod 6, the bottom end of the electric push rod 6 is fixedly connected with a movable table 5, the transmission part 9 can drive the movable table 5 to move through the electric push rod 6 when moving, the electric push rod 6 can perform telescopic motion to drive the movable table 5 to perform lifting motion, the movable table 5 is prevented from touching steps on a stair body 1 when moving, and a plurality of positioning parts 7 are arranged on the movable table 5;
the positioning component 7 is used for locking the position of the wheelchair by clamping the idler wheel at the bottom of the wheelchair, so that the wheelchair is prevented from deviating in the lifting process;
in the invention, a transmission part 9 is fixedly connected with one end of a steel wire rope 10, and the other end of the steel wire rope 10 is fixedly connected with a driving part 4;
the driving part 4 is used for winding and winding the steel wire rope 10 so as to pull the transmission part 9 to move;
the transmission part 9 comprises a center shaft 97, two ends of the center shaft 97 are rotatably connected and inserted into the axis of a limiting block 96, the periphery of the limiting block 96 is connected with a hollow inner groove in a bottom rod 2 or a top rod 3 in a sliding manner, the limiting block 96 can move in the hollow inner groove in the bottom rod 2 or the top rod 3 in a sliding manner, the periphery of the center shaft 97 is fixedly connected with one end of a steel wire rope 10, the center shaft 97 can rotate in the limiting block 96, the steel wire rope 10 can drag the center shaft 97 to move and drag the whole transmission part 9 to move, the periphery of the center shaft 97 is fixedly connected with the top of a fixed seat 95, the periphery of the fixed seat 95 penetrates through an opening in the bottom of the bottom rod 2 or the top rod 3 and can play a role in fixing the fixed seat 95, and the fixed seat 95 is always positioned below the center shaft 96;
according to the stair, the bottom of a fixed seat 95 is fixedly connected with the top end of an expansion link 91, the bottom end of the expansion link 91 is fixedly connected with the upper surface of a fixed plate 93, a tension spring 92 is sleeved on the periphery of the expansion link 91, so that the transmission part 9 can be kept stable when passing through the bent parts of the bottom and the top of a stair body 1, the upper end and the lower end of the tension spring 92 are respectively and fixedly connected with the bottom of the fixed seat 95 and the upper surface of the fixed plate 93, and the lower surface of the fixed plate 93 is hinged with the top end of an electric push rod 6 through a hinged support 94;
the driving part 4 comprises a protective shell 41, wherein the outer wall of the protective shell 41 is fixedly connected with the end heads of the bottom rod 2 and the ejector rod 3, the inner side wall of the protective shell 41 is rotatably connected with two ends of a rotating shaft 42, the rotating shaft 42 is connected with an output shaft of a motor 45 through a belt 44, the motor 45 is fixedly arranged on the bottom wall of the protective shell 41, the middle part of the rotating shaft 42 is fixedly connected with the axle centers of two winding wheels 43, the peripheral sides of the winding wheels 43 are fixedly connected with one end of a steel wire rope 10, the rotating shaft 42 can be driven by the belt 44 to rotate when the motor 45 rotates, the rotating shaft 42 can drive the winding wheels 43 to rotate, the steel wire rope 10 can be wound on the peripheral sides when the winding wheels 42 rotate, and the steel wire rope 10 can drag a central shaft 96 to move in a traction manner;
the positioning component 7 comprises a pin shaft 72, two ends of the pin shaft 72 are fixedly connected with the inner side of a through groove 73 formed in the movable table 5, the through groove 73 is arranged at the position of a roller at the bottom of the wheelchair, the peripheral side of the pin shaft 72 is rotatably connected with the central position of a clamping plate 71, and the clamping plate 71 can rotate around the pin shaft 72 at the inner side of the through groove 73;
according to the invention, the edge part of the movable platform 5 is an inclined plane, so that the wheelchair can conveniently go up and down;
according to the invention, the ejector rod 3 is fixedly connected with two sides of the stair body 1 through a plurality of long supporting feet 31, the bottom rod 2 is fixedly connected with two sides of the stair body 1 through a plurality of short supporting feet 21, and the transmission part 9 on the ejector rod 3 is connected with the upper surface of the movable platform 5 through the electric push rod 6 with a long stroke, so that the movable platform 5 is kept horizontal;
in the invention, the peripheral side of the steel wire rope 10 penetrates through the side wall of the protective shell 41, and the perforated part is positioned in the center of the connecting part of the bottom rod 2 and the protective shell 41, so that the central shaft 96 is conveniently dragged to move;
according to the stair disclosed by the invention, the placing groove 8 is formed in the ground at the bottom of the stair body 1, the inner side of the placing groove 8 is attached to the edge of the movable table 5, the movable table 5 can be placed, and meanwhile, the clamping plate 71 is convenient to reset and is parallel to the movable table 5.
The working principle is as follows: when the wheelchair is used, the wheelchair is pushed onto the movable table 5, the positions of the through grooves 73 and the rollers at the bottom of the wheelchair are controlled to contract, the movable table 5 is vertically raised, in the raising process, the clamping plates 71 can rotate around the pin shafts 72 at the inner sides of the through grooves 73, the rollers of the wheelchair can be clamped between the clamping plates 71 and the through grooves 73, the position of the wheelchair is locked, the wheelchair is prevented from deviating in the lifting process, the safety is improved, and the movable table 5 can be prevented from touching the stair body 1 when moving after the wheelchair is raised;
the motor 45 can drive the rotating shaft 42 to rotate through the belt 44 when rotating, the rotating shaft 42 can drive the winding wheel 43 to rotate, the winding wheel 42 can wind the steel wire rope 10 around when rotating, the steel wire rope 10 can drag the middle shaft 96 to do traction movement and drag the whole transmission part 9 to move, the bottom of the fixed seat 95 is fixedly connected with the top end of the telescopic rod 91, the bottom end of the telescopic rod 91 is fixedly connected with the upper surface of the fixed plate 93, the periphery of the telescopic rod 91 is sleeved with the tension spring 92, which is beneficial to leading the transmission part 9 to pass through the bending part at the bottom and the top of the stair body 1, the stability is kept during the process, the lower surface of the fixed plate 93 is hinged with the top end of the electric push rod 6 through the hinged seat 94, the movable platform 5 can be driven by the electric push rod 6 to move, the wheelchair is driven to slowly ascend to climb the stair, the wheelchair can be suitable for the existing wheelchair, does not need to reform the wheel irrigation, and can be used only by additionally installing the device on the needed stair, the wheelchair is convenient to use, the movable platform 5 is controlled to descend after use, the movable platform 5 is placed in the placing groove 8 and is kept horizontal with the ground, when the movable platform 5 is not used for lifting, the ejector rods 3 can be used as common handrails, the structure is light and handy, mostly is a built-in structure, and normal use stairs of normal personnel are not influenced while the wheelchair is convenient to move up and down.
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 (9)
1. The utility model provides an intelligent house stair structure that supplementary wheelchair climbed, includes stair body (1) and motor (45), its characterized in that: a bottom rod (2) and an ejector rod (3) are fixedly installed on the stair body (1), the bottom rod (2) is located at the outer side of the ejector rod (3), the inner sides of the bottom rod (2) and the ejector rod (3) are respectively connected with the top of a transmission part (9) in a sliding mode, the bottom of the transmission part (9) is connected with the top end of an electric push rod (6), the bottom end of the electric push rod (6) is fixedly connected with a movable table (5), and a plurality of positioning parts (7) are arranged on the movable table (5);
the positioning component (7) is used for locking the position of the wheelchair by clamping a roller at the bottom of the wheelchair so as to prevent the wheelchair from deviating in the lifting process;
the transmission component (9) is fixedly connected with one end of a steel wire rope (10), and the other end of the steel wire rope (10) is fixedly connected with a driving component (4);
the driving part (4) is used for winding and winding the steel wire rope (10) so as to pull the transmission part (9) to move.
2. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 1, wherein: drive disk assembly (9) are including axis (97), inside the stopper (96) axle center of inserting that axis (97) both ends rotate to be connected, stopper (96) week side sliding connection sill bar (2) or the inside cavity inside groove of ejector pin (3), axis (97) week side fixed connection wire rope (10) one end, axis (97) week side bottom fixed connection fixing base (95) top, fixing base (95) week side is passed sill bar (2) or the opening of ejector pin (3) bottom.
3. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 2, wherein: fixing base (95) bottom fixed connection telescopic link (91) top, telescopic link (91) bottom fixed connection fixed plate (93) upper surface, telescopic link (91) week side cover is equipped with tension spring (92), both ends difference fixed connection about tension spring (92) fixing base (95) bottom with fixed plate (93) upper surface, fixed plate (93) lower surface is through articulated connection electric putter (6) top of free bearing (94).
4. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 1, wherein: drive unit (4), including protective housing (41), protective housing (41) outer wall fixed connection bottom rod (2) with ejector pin (3) end, protective housing (41) inside wall rotates and connects pivot (42) both ends, motor (45) output shaft is connected through belt (44) in pivot (42), motor (45) fixed mounting is at protective housing (41) diapire, two winding wheel (43) axle centers of pivot (42) middle part fixed connection, winding wheel (43) week side fixed connection wire rope (10) one end.
5. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 1, wherein: the positioning component (7) comprises a pin shaft (72), the two ends of the pin shaft (72) are fixedly connected with the inner sides of through grooves (73) formed in the movable table (5), the positions of the through grooves (73) are arranged at the positions of rollers at the bottom of the wheelchair, the periphery of the pin shaft (72) is rotatably connected with the center of a clamping plate (71), and the clamping plate (71) can rotate around the pin shaft (72) to rotate at the inner sides of the through grooves (73).
6. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 1, wherein: the edge part of the movable table (5) is an inclined plane.
7. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 1, wherein: the push rod (3) is fixedly connected with two sides of the stair body (1) through a plurality of long supporting legs (31), the bottom rod (2) is fixedly connected with two sides of the stair body (1) through a plurality of short supporting legs (21), and the transmission part (9) on the push rod (3) is connected with the upper surface of the movable table (5) through a long-stroke electric push rod (6) to enable the movable table (5) to be kept horizontal.
8. The intelligent home stair structure for assisting the climbing of the wheelchair, according to claim 4, is characterized in that: the periphery of the steel wire rope (10) penetrates through the side wall of the protective shell (41), and the perforated part is located in the center of the connecting part of the bottom rod (2) and the protective shell (41).
9. The intelligent home stair structure for assisting the climbing of the wheelchair according to claim 1, wherein: the stair body (1) is provided with a placing groove (8) on the ground, and the inner side of the placing groove (8) is attached to the edge of the movable platform (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492922.9A CN113175165A (en) | 2021-05-07 | 2021-05-07 | Intelligent home stair structure assisting wheelchair in climbing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492922.9A CN113175165A (en) | 2021-05-07 | 2021-05-07 | Intelligent home stair structure assisting wheelchair in climbing |
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| CN113175165A true CN113175165A (en) | 2021-07-27 |
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| CN202110492922.9A Pending CN113175165A (en) | 2021-05-07 | 2021-05-07 | Intelligent home stair structure assisting wheelchair in climbing |
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| CN211080827U (en) * | 2019-09-21 | 2020-07-24 | 邹挺揆 | Stair for building |
| CN212129737U (en) * | 2020-02-28 | 2020-12-11 | 徐州正途安全科技研究院有限公司 | Patient wheelchair carrying device capable of sliding along stair handrail |
| CN212358902U (en) * | 2020-03-31 | 2021-01-15 | 张雅琪 | Deformation step capable of assisting disabled person to get on vehicle |
| CN112520541A (en) * | 2020-11-05 | 2021-03-19 | 徐莲雨 | Conversion type barrier-free passage structure for passage of library barrier people |
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Application publication date: 20210727 |