CN104005524A - Adjustable type ladder - Google Patents
Adjustable type ladder Download PDFInfo
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- CN104005524A CN104005524A CN201310059472.XA CN201310059472A CN104005524A CN 104005524 A CN104005524 A CN 104005524A CN 201310059472 A CN201310059472 A CN 201310059472A CN 104005524 A CN104005524 A CN 104005524A
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- ladder
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- handrail
- rotation
- worm screw
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Abstract
The invention provides an adjustable type ladder, and relates to the step-shaped ladder field. The adjustable type ladder is simple in structure and convenient to use, and can be effectively switched between a step-shaped ladder and a bevel-shaped ladder. The adjustable type ladder comprises a support, handrails and a plurality of ladders, wherein the handrails are arranged above the plurality of the ladders through a plurality of stand columns and are connected with the top of the support, each ladder comprises a rotation shaft, a panel and a transmission mechanism, each rotation shaft is arranged on one side of each stand column and fixedly connected with the bottom of the support, and one end of each panel sleeves each rotation shaft and enables each panel to rotate around the corresponding rotation shaft. The adjustable type ladder achieves effective switching between the step-shaped ladder and the bevel-shaped ladder, can be conveniently switched between the step-shaped ladder and the bevel-shaped ladder, can meet requirements of disabled persons for independently walking up and down stairs, and simultaneously can be used for children to play.
Description
Technical field
The present invention relates to step-like ladder field, relate in particular to the improvement of adjusting stairs.
Background technology
At present, along with improving constantly of social civilization level, a lot of cities are according to Minstry of Housing and Urban-Rural Development of People Republic of China's " urban road and building barrier free design specification " requirement, barrier free design and construction on urban road construction and passage, are all carried out, therefore, how to change step-like ladder into Wheelchair Accessible and just become those skilled in the art's technical problem urgently to be resolved hurrily.To this, State Bureau discloses the file of a application number for " 200510050632.X ", " for the adjusting stairs of passenger getting on/off " by name on February 8th, 2006, in this case by between ladder riser and ladder panel by chain connection, power set adopt air pump or hydraulic means.By stretching of air pump control telescopic shaft, thereby make the cascaded surface that ladder riser and ladder panel form change shape, occur two kinds of shapes of step-like cascaded surface and inclined plane shape cascaded surface.Like this, can utilize inclined plane shape ladder to form Wheelchair Accessible.
But, some problem below this case still exists in concrete enforcement:, in this case, some ladder risers and ladder transverse slat jack-up being formed to inclined plane shape ladder, is exactly in fact the transition process from triangle to straight line; Be greater than the characteristic on the 3rd limit because triangle exists both sides sum, therefore, will inevitably bring the increase of step length, as be in the environment that length cannot increase, very easily support the pin joint of bad ladder riser and ladder panel.Two, this case certainly exists external control switch, if air pump or hydraulic means overhang are excessive, also can bring the damage of the pin joint of ladder riser and ladder panel.Three, in use, this case, in the face of individuals with disabilities and the continuous switching state of general public formula need, has been brought great load to power source, has also brought the problem of energy waste.
Summary of the invention
The present invention is directed to above problem, provide a kind of simple in structure, easy to use, the adjusting stairs that can effectively switch between step-like ladder and inclined plane shape ladder.
Technical scheme of the present invention is: comprise support, handrail and some ladders, described handrail is connected to some described ladder tops and is connected with described top of the trellis by some columns,
Described ladder comprises axis of rotation, panel and transmission mechanism, and described axis of rotation is located at a side of described column and is fixedly connected with frame bottom, and one end of described panel is socketed described axis of rotation, and described panel can be rotated around axis of rotation;
Described transmission mechanism comprises worm gear, worm screw, transmission arm and sliding axle, and described worm gear is fixedly connected on described column bottom, and described worm screw is located at the side of described worm gear towards described panel; Described panel middle part offers the sliding eye that cross section is key-way shape, and described sliding axle is located in described sliding eye and two ends are fixedly connected with described worm screw by transmission arm, and sliding axle can be rotated around described worm screw.
Described handrail is movably connected in a top of the trellis, and described column top is connected with helical gear, makes handrail connect described column by helical gear.
Described panel is connected with extension board away from a side of described transmission mechanism.
In the present invention, Rotary cloumn can drive the rotation of worm-gear driven worm screw, then drives sliding axle to rotate around worm screw, thereby panel is rotated around axis of rotation, lifts motion; After panel in some ladders all lifts, can form inclined-plane, thereby realize the transformation from step-like ladder to inclined plane shape ladder.Meanwhile, can drive some columns to be rotated by the helical gear rotary handle that links together on handrail and column simultaneously, thereby drive the worm gear of column bottom to rotate, very simple, convenient.
The present invention in use can be below ladder rotary handle, after changing step ladder into ramp type ladder, the autonomous wheelchair that promotes is walked on ramp type ladder, after arriving ladder top, rotate backward again handrail, make ramp type ladder transform back into again step ladder, realized the effective switching between step-like ladder and inclined plane shape ladder.
The present invention is easy for installation, can be laid immediately on step-like ladder common in daily life, then its handrail and column are transformed.The present invention carries out easy switching between step-like ladder and inclined plane shape ladder, can meet the requirement of the autonomous stair activity of individuals with disabilities, also can play for children simultaneously.In addition, the present invention also can be used for the place such as airport, railway terminal, in the situation that large-scale case and bag are not easy to guide and support, by the adjusting stairs of this case, can drag easily case and bag, very simple and convenient.
Brief description of the drawings
Fig. 1 is structural representation of the present invention,
Fig. 2 is embodiments of the present invention schematic diagram one,
Fig. 3 is partial schematic diagram of the present invention,
Fig. 4 is embodiments of the present invention schematic diagram two,
Fig. 5 is the structural representation of ladder in the present invention,
Fig. 6 is the top view of Fig. 5,
Fig. 7 is embodiments of the present invention schematic diagram three;
In figure, 1 is support, the 2nd, and handrail, the 3rd, ladder, the 31st, axis of rotation, the 32nd, panel, the 320th, sliding eye, the 321st, extension board;
The 33rd, transmission mechanism, the 331st, worm gear, the 332nd, worm screw, the 333rd, transmission arm, the 334th, sliding axle;
The 4th, column, the 5th, helical gear.
Detailed description of the invention
The present invention is as shown in Fig. 1-7: comprise support 1, handrail 2 and some ladders 3, described handrail 2 is connected to some described ladders 3 tops by some columns 4 and is connected with described support 1 top,
Described ladder 3 comprises axis of rotation 31, panel 32 and transmission mechanism 33, described axis of rotation 31 is located at a side of described column 4 and is fixedly connected with support 1 bottom, one end of described panel 32 is socketed described axis of rotation 31, and described panel 32 can be rotated around axis of rotation 31;
Described transmission mechanism 33 comprises worm gear 331, worm screw 332, transmission arm 333 and sliding axle 334, and described worm gear 331 is fixedly connected on described column 4 bottoms, and described worm screw 332 is located at the side of described worm gear 331 towards described panel 32; Described panel 32 middle parts offer the sliding eye 320 that cross section is key-way shape, and described sliding axle 334 is located in described sliding eye 320 and two ends are fixedly connected with described worm screw 332 by transmission arm 333, and sliding axle 334 can be rotated around described worm screw 332.Like this, Rotary cloumn 4 can drive worm gear 331 to drive worm screw 332 to rotate, then drives sliding axle 334 to rotate around worm screw 332, thereby panel 32 is rotated around axis of rotation 31, lifts motion; After panel in some ladders 3 all lifts, can form inclined-plane, thereby realize the transformation from step-like ladder to inclined plane shape ladder.
Described handrail 2 is movably connected in 1 top of the trellis, and described column 4 tops are connected with helical gear 5, make handrail 2 connect described column 4 by helical gear 5.Like this, rotary handle 2 can drive some columns 4 to be rotated simultaneously, thereby drives the worm gear 331 of column 4 bottoms to rotate, very simple, convenient.
Described panel 32 is connected with the extension board 321(bottom away from a side of described transmission mechanism 33 extension board 321 is not set).In the time that ladder 3 is step-like, can effectively increases the length of ladder 3, thereby improve its safety; In the time that ladder 3 takes the form of inclined plane, can utilize the top of extension board 321 lap-joints at the panel 32 of the ladder 3 of lower one deck, avoid causing not because of panel 32 length the problem that occurs gap on inclined-plane.
The present invention in use can be below ladder rotary handle, after changing step ladder into ramp type ladder, the autonomous wheelchair that promotes is walked on ramp type ladder, after arriving ladder top, rotate backward again handrail, make ramp type ladder transform back into again step ladder, realized the effective switching between step-like ladder and inclined plane shape ladder.
The present invention can be laid immediately on step-like ladder common in daily life, then its handrail and column are transformed, and makes its installation very convenient.The present invention carries out easy switching between step-like ladder and inclined plane shape ladder, can meet the requirement of the autonomous stair activity of individuals with disabilities, also can play for children simultaneously.In addition, the present invention also can be used for the place such as airport, railway terminal, in the situation that large-scale case and bag are not easy to guide and support, by the adjusting stairs of this case, can drag easily case and bag, very simple and convenient.
Claims (3)
1. an adjusting stairs, comprises support, handrail and some ladders, and described handrail is connected to some described ladder tops and is connected with described top of the trellis by some columns, it is characterized in that,
Described ladder comprises axis of rotation, panel and transmission mechanism, and described axis of rotation is located at a side of described column and is fixedly connected with frame bottom, and one end of described panel is socketed described axis of rotation, and described panel can be rotated around axis of rotation;
Described transmission mechanism comprises worm gear, worm screw, transmission arm and sliding axle, and described worm gear is fixedly connected on described column bottom, and described worm screw is located at the side of described worm gear towards described panel; Described panel middle part offers the sliding eye that cross section is key-way shape, and described sliding axle is located in described sliding eye and two ends are fixedly connected with described worm screw by transmission arm, and sliding axle can be rotated around described worm screw.
2. a kind of adjusting stairs according to claim 1, is characterized in that, described handrail is movably connected in a top of the trellis, and described column top is connected with helical gear, makes handrail connect described column by helical gear.
3. a kind of adjusting stairs according to claim 1, is characterized in that, described panel is connected with extension board away from a side of described transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310059472.XA CN104005524A (en) | 2013-02-26 | 2013-02-26 | Adjustable type ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310059472.XA CN104005524A (en) | 2013-02-26 | 2013-02-26 | Adjustable type ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104005524A true CN104005524A (en) | 2014-08-27 |
Family
ID=51366410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310059472.XA Pending CN104005524A (en) | 2013-02-26 | 2013-02-26 | Adjustable type ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005524A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104317211A (en) * | 2014-08-29 | 2015-01-28 | 兰克峰 | Rotary step for small vertical height |
| CN106677449A (en) * | 2017-02-27 | 2017-05-17 | 太仓市康辉科技发展有限公司 | Lifting device used for wheelchair |
| CN109537826A (en) * | 2018-12-04 | 2019-03-29 | 江苏绿途环保科技有限公司 | One kind being convenient for deformable solar energy step for disabled |
| CN111634714A (en) * | 2019-12-09 | 2020-09-08 | 苏州罗克韦尔机械设备有限公司 | Fixed dock leveler with changeable panel structure |
| CN112972210A (en) * | 2021-03-16 | 2021-06-18 | 义乌市罗堂贸易有限公司 | Can avoid recovered stair of tumble injury |
-
2013
- 2013-02-26 CN CN201310059472.XA patent/CN104005524A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104317211A (en) * | 2014-08-29 | 2015-01-28 | 兰克峰 | Rotary step for small vertical height |
| CN106677449A (en) * | 2017-02-27 | 2017-05-17 | 太仓市康辉科技发展有限公司 | Lifting device used for wheelchair |
| CN109537826A (en) * | 2018-12-04 | 2019-03-29 | 江苏绿途环保科技有限公司 | One kind being convenient for deformable solar energy step for disabled |
| CN111634714A (en) * | 2019-12-09 | 2020-09-08 | 苏州罗克韦尔机械设备有限公司 | Fixed dock leveler with changeable panel structure |
| CN112972210A (en) * | 2021-03-16 | 2021-06-18 | 义乌市罗堂贸易有限公司 | Can avoid recovered stair of tumble injury |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140827 |