CN101487374B - Folding type boarding ladder - Google Patents
Folding type boarding ladder Download PDFInfo
- Publication number
- CN101487374B CN101487374B CN2009100249901A CN200910024990A CN101487374B CN 101487374 B CN101487374 B CN 101487374B CN 2009100249901 A CN2009100249901 A CN 2009100249901A CN 200910024990 A CN200910024990 A CN 200910024990A CN 101487374 B CN101487374 B CN 101487374B
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- hinged
- upset
- frame
- support
- boarding ladder
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Abstract
The invention discloses a foldable boarding ladder which comprises a fixed stand, a retroflexed tread rack. The upper end of the fixed stand is provided with an upper pivoting support and the lower end thereof is provided with a lower pivoting support; an upper pivoting block is hinged with the upper pivoting support through an upper hinge pin; the top end of the upper pivoting block is fixedly connected with the lower side of the platform of an automobile carriage. One side of the fixed stand is provided with a slant rod with a lower end being fixedly connected with the lower pivoting support. The pivoting block at the upper end of the slant rod is hinged with an internal pivoting support fixed on the lower side of the platform of the automobile carriage through the hinge pin. The retroflexed tread rack is arranged below the fixed stand, and the upper end of the retroflexed tread rack is hinged with the lower pivoting support of the fixed stand through a lower hinge pin. The retroflexed foldable boarding ladder can allow the opened retroflexed tread rack to extend out of the automobile lateral face; and an upper pedal and a lower pedal are staggered in space, which gives great convenience for getting on and off automobiles to passengers. The slant rod can be separated from the internal pivoting support, thus leading the foldable boarding ladder to rotate to a level, and being convenient for replacing tires.
Description
Technical field
The present invention relates to a kind of boarding ladder, particularly a kind of turning folding boarding ladder in vehicle platform below that is installed in belongs to the vehicular spare parts technical field.
Background technology
Boarding ladder is to be used for the auxiliary device that the occupant gets on or off the bus, because the layout difference in the compartment, car door may be arranged on the diverse location of compartment wall, when car door is arranged on wall side, compartment, and often is difficult to be provided with boarding ladder during with the more approaching position of wheel.Have the dual mode that is provided with of compartment boarding ladder now: 1, use the external hanging type boarding ladder; 2, use the step ring.The boarding ladder that mode 1 needs will lay is earlier onboard moved the car door below to, and the occupant can get on or off the bus, and uses inconvenient; Mode 2 is owing to be subjected to the restriction of vehicle-width direction, and the step ring can not surpass the vehicular sideview size, and occupant's inconvenience that gets on and off can only vertically be installed.
The applying date is on December 12nd, 2006, and the patent No. is that ZL 200620046858.2 discloses the Chinese utility model patent of a kind of " folding ladder for automobile ", and this attic ladder is divided into three sections, is connected into a flexible mechanism that closes up after connecting with axle.Mix hydraulic ram, form a carpal actuating mechanism of likeness in form, by the action of circuit modulated pressure valve, finish rotation, fold actions such as closing up, lift locking, improved service efficiency.But the structure of this attic ladder is comparatively complicated, and manufacturing cost and use cost is higher.
Summary of the invention
Use inconvenient, the higher shortcoming of manufacturing cost and use cost in order to overcome existing folding type boarding ladder, the invention provides a kind of folding type boarding ladder, the upper end of this attic ladder is fixed on envelope platform below, during vehicle ', its lower end is upset and the superimposed locking in upper end upwards, and this attic ladder does not exceed the width of envelope; When the occupant need get on and off, the back upset that unlocks was just opened and can be used, and makes things convenient for the occupant to get on or off the bus.
The present invention is achieved by the following technical programs.
A kind of folding type boarding ladder, comprise fixed support, overturn and step on frame that described support bracket fastened upper end is provided with hinged support, the lower end is provided with down hinged support, last hinged block is hinged by upper pin and last hinged support, captives joint with vehicle compartment platform downside in described top of going up hinged block; A described support bracket fastened side also is provided with brace, captives joint with following hinged support in the lower end of described brace, and the hinged block of described jib head is hinged with the interior hinged support that is fixed on vehicle compartment platform downside by bearing pin; Described upset is stepped on frame and is arranged on support bracket fastened below, and it is hinged by lower bearing pin that the upper end and the support bracket fastened down hinged support of frame stepped in described upset.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid folding type boarding ladder, wherein said fixed support comprises first montant, second montant, cross tube, upper footboard, sheer pole, strut, the two ends of described upper and lower cross bar are fixedly connected into a framework with the top and the lower hinge support of first montant, second montant respectively, upper footboard is horizontal in described framework, captive joint with first montant, second montant respectively in its two ends, the described strut bracing diagonal and second montant.
Aforesaid folding type boarding ladder, wherein said upset are stepped on frame and are comprised that upset steps on the frame body, is fixedly installed on upset respectively and steps on the following hinged block of frame both sides upper ends, be fixedly installed on the following treadle that the frame downside is stepped in upset.
Aforesaid folding type boarding ladder, also be provided with lockover mechanism, described lockover mechanism comprises and being fixedly installed on the spring tongue seat board that upset is stepped on the lockplate of frame one side, is fixedly installed on fixed support the same side, with spring tongue seat board vertical fixing bonded assembly first spring tongue, the pin-and-hole free-running fit of the round pin of described first spring tongue and described lockplate.
Aforesaid folding type boarding ladder, the outside of wherein said interior hinged support is provided with second spring tongue, the hinged block pin-and-hole free-running fit of the round pin of described second spring tongue and described jib head.
Aforesaid folding type boarding ladder, wherein said upset are stepped on frame when open mode, and the angle α that frame is stepped in fixed support and upset is 140 °～160 °.
Aforesaid folding type boarding ladder, wherein said upset are stepped on frame body and following treadle and are and are the U-shaped bar, and the U-shaped bar of described treadle down is 110 °～130 ° with the angle β that steps on the frame body that overturns.
The invention has the advantages that, owing to adopted the reversible foldable structure, make the upset of opening step on the extended vehicle body side of frame, following pedal is positioned at the car body outside, forms the space with upper footboard and interlocks, and brings great convenience for getting on or off the bus of occupant; Do not exceed the car body outside after overturning pedal folds and takes in, do not influence road holding; Though the present invention is arranged on the car body tire outside, as long as be positioned at the hinged support outside second spring tongue but extract, make the hinged block pin-and-hole of the round pin disengagement jib head of second spring tongue, like this, brace just can separate with interior hinged support, the present invention just can turn to level attitude around upper pin, is convenient for changing tire.
Advantage of the present invention and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is the block diagram of deployed condition of the present invention;
Fig. 2 is the block diagram of folded state of the present invention;
Fig. 3 is that A of the present invention is to view;
Fig. 4 is the block diagram that the present invention is installed in the vehicular sideview folded state;
Fig. 5 is the block diagram that the present invention is installed in the vehicular sideview deployed condition.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1,2,3,4 and shown in Figure 5, the present invention includes fixed support 1, overturn and step on frame 2, last hinged support 11, following hinged support 12 are welded on the two ends of fixed support 1 respectively, last hinged block 13 is hinged by upper pin 111 and last hinged support 11, top welding vehicle compartment platform 4 downsides of last hinged block 13; One side of fixed support 1 also is provided with brace 19, and the lower end of described brace 19 is welded to connect with following hinged support 12, and the hinged block 193 of brace 19 upper ends is hinged with the interior hinged support 192 that is fixed on vehicle compartment platform 4 downsides by bearing pin; The below that frame 2 is arranged on fixed support 1 is stepped in upset, and it is hinged that the upper end that frame 2 is stepped in upset and the following hinged support 12 of fixed support 1 pass through lower bearing pin 121.
Fixed support 1 comprises first montant 14, second montant 15, cross tube 16, upper footboard 17, sheer pole 18, strut 191, the two ends of cross tube 16, sheer pole 18 are fixedly connected into a framework with the top and the lower hinge support 12 of first montant 14, second montant 15 respectively, upper footboard 17 is horizontal in described framework, and its two ends are welded to connect with first montant 14, second montant 15 respectively; Strut 191 bracing diagonals 19 and second montant 15 make second montant 15, brace 19 and strut 191 constitute a constitutionally stable triangle.
Upset is stepped on frame 2 and is comprised that upset steps on frame body 21, is fixedly installed on upset respectively and steps on the following hinged block 22 of frame 21 both sides upper ends, be fixedly installed on the following treadle 23 that frame 2 downsides are stepped in upset.Upset is stepped on frame body 21 and following treadle 23 and is and is the U-shaped bar, and the U-shaped bar of following treadle 23 and upset are stepped on frame body 21 and be welded to connect, and both angle β are 120 °.Upset is stepped on frame when open mode, and following treadle 23 is in horizontality, and the angle α that frame 2 is stepped in fixed support 1 and upset is 150 °, and like this, following treadle 23 has exceeded the width of envelope, is convenient to the occupant and gets on or off the bus.
Lockover mechanism 3 comprises the lockplate 31 that being fixedly installed on overturns steps on frame 2 one sides, the spring tongue seat board 32 that is fixedly installed on fixed support 1 the same side, with spring tongue seat board 32 vertical fixing bonded assemblys first spring tongue 33, the round pin 331 of this first spring tongue 33 and the pin-and-hole free-running fit of described lockplate 31.
The outside of interior hinged support 192 is provided with second spring tongue 34, the round pin 341 of this second spring tongue 34 and the hinged block 193 pin-and-hole free-running fits of described brace 19 upper ends.
When needing to fold boarding ladder before running car, frame 2 is stepped in upset upwards clockwise rotated 150 ° around lower bearing pin 121, being arranged on upset and stepping on the top that the lockplate 31 of frame 2 one sides turns to spring tongue seat board 32 this moment; Spur the handle of first spring tongue 33, spring tongue seat board 32 round pins 331 are descended; Aim at the pin-and-hole of lockplate 31 then, round pin 331 is put in the pin-and-hole of lockplate 31 under the effect of spring force, make handle be fixed on round pin 331 and put in the state of lockplate 31, like this, boarding ladder is just folding to have fixed, and the process that boarding ladder is opened is opposite with folding process.
The present invention adopts first spring, 33 latches to be locked in folding back, adopts second spring tongue 34 that brace of the present invention 19 upper ends and vehicle platform 4 downsides are constituted flexible connection, does not also influence the vehicle changing of tire even the present invention is installed in the vehicle tyre side.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. folding type boarding ladder, comprise fixed support, overturn and step on frame, it is characterized in that, described support bracket fastened upper end is provided with hinged support, the lower end is provided with down hinged support, last hinged block is hinged by upper pin and last hinged support, captives joint with vehicle compartment platform downside in described top of going up hinged block; A described support bracket fastened side also is provided with brace, captives joint with following hinged support in the lower end of described brace, and the hinged block of described jib head is hinged with the interior hinged support that is fixed on vehicle compartment platform downside by bearing pin; Described upset is stepped on frame and is arranged on support bracket fastened below, and it is hinged by lower bearing pin that the upper end and the support bracket fastened down hinged support of frame stepped in described upset.
2. folding type boarding ladder according to claim 1, it is characterized in that, described fixed support comprises first montant, second montant, cross tube, upper footboard, sheer pole, strut, the two ends of described cross tube, sheer pole are fixedly connected into a framework with the top and the lower hinge support of first montant, second montant respectively, described upper footboard is horizontal in described framework, captive joint with first montant, second montant respectively in its two ends, the described strut bracing diagonal and second montant.
3. folding type boarding ladder according to claim 1 and 2 is characterized in that, described upset is stepped on frame and comprised that upset steps on the frame body, is fixedly installed on upset respectively and steps on the following hinged block of frame both sides upper ends, be fixedly installed on the following treadle that the frame downside is stepped in upset.
4. folding type boarding ladder according to claim 1, it is characterized in that, also be provided with lockover mechanism, described lockover mechanism comprises and being fixedly installed on the spring tongue seat board that upset is stepped on the lockplate of frame one side, is fixedly installed on fixed support the same side, with spring tongue seat board vertical fixing bonded assembly first spring tongue, the pin-and-hole free-running fit of the round pin of described first spring tongue and described lockplate.
5. folding type boarding ladder according to claim 1 is characterized in that, the outside of described interior hinged support is provided with second spring tongue, the hinged block pin-and-hole free-running fit of the round pin of described second spring tongue and described jib head.
6. folding type boarding ladder according to claim 3 is characterized in that, described upset is stepped on frame when open mode, and the angle α that frame is stepped in fixed support and upset is 140 °～160 °.
7. folding type boarding ladder according to claim 3 is characterized in that, described upset is stepped on frame body and following treadle and is and is the U-shaped bar, and the U-shaped bar of described treadle down is 110 °～130 ° with the angle β that steps on the frame body that overturns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100249901A CN101487374B (en) | 2009-03-02 | 2009-03-02 | Folding type boarding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100249901A CN101487374B (en) | 2009-03-02 | 2009-03-02 | Folding type boarding ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487374A CN101487374A (en) | 2009-07-22 |
| CN101487374B true CN101487374B (en) | 2011-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100249901A Expired - Fee Related CN101487374B (en) | 2009-03-02 | 2009-03-02 | Folding type boarding ladder |
Country Status (1)
| Country | Link |
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| CN (1) | CN101487374B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381254A (en) * | 2010-08-30 | 2012-03-21 | 北汽福田汽车股份有限公司 | Stepping device for vehicles |
| CN105121225B (en) * | 2015-03-23 | 2016-09-14 | 株式会社小松制作所 | The lifting step of Operation Van |
| CN105291993B (en) * | 2015-11-23 | 2017-08-11 | 湖南三一路面机械有限公司 | Stair treads mechanism and engineering machinery |
| CN106347227B (en) * | 2016-08-31 | 2018-10-16 | 东风汽车公司 | Coordinated type is foldable from limit-type tread structure of getting on the bus |
| CN107117106B (en) * | 2017-04-19 | 2023-03-03 | 常熟华东汽车有限公司 | Draw-out type boarding platform combined with side protective guard for vehicle |
| DE102018110933A1 (en) | 2018-05-07 | 2019-11-07 | Karl-Heinz Kamlage | Transport system for an animal for inclusion in a motor vehicle |
| CN108747159A (en) * | 2018-07-20 | 2018-11-06 | 浙江腾云制冷科技有限公司 | A kind of welding bench of absorption system |
| CN111252097B (en) * | 2020-03-05 | 2021-03-16 | 南京康尼机电股份有限公司 | City rail emergency evacuation ramp locking device |
| CN111456128B (en) * | 2020-04-13 | 2022-04-01 | 江苏徐工工程机械研究院有限公司 | Boarding ladder and engineering machinery |
| CN112265585B (en) * | 2020-11-16 | 2023-10-20 | 内蒙古北方重型汽车股份有限公司 | Using method of rear axle box access cover of electric wheel mining dump truck |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB306184A (en) * | 1927-11-17 | 1929-02-18 | Joseph Lacey | Improvements in or relating to folding steps for vehicles |
| US5046582A (en) * | 1990-10-03 | 1991-09-10 | Albrecht Leonard N | Foldable ladder combination with truck cargo carrier |
| CN2745795Y (en) * | 2004-11-26 | 2005-12-14 | 清华同方威视技术股份有限公司 | Roll-over ladder structure suitable for assembling on vehicle |
| CN2815779Y (en) * | 2005-06-28 | 2006-09-13 | 东风汽车有限公司 | Folding pedal for passenger car |
| EP1738733A1 (en) * | 2005-06-29 | 2007-01-03 | Hübner Transportation GbmH | Ramp for vehicles, especially for buses |
| CN2923429Y (en) * | 2006-05-17 | 2007-07-18 | 王晓东 | Folding ladder for vehicle |
| CN200988458Y (en) * | 2006-10-17 | 2007-12-12 | 丁荣主 | Folding ladder for vehicle |
-
2009
- 2009-03-02 CN CN2009100249901A patent/CN101487374B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB306184A (en) * | 1927-11-17 | 1929-02-18 | Joseph Lacey | Improvements in or relating to folding steps for vehicles |
| US5046582A (en) * | 1990-10-03 | 1991-09-10 | Albrecht Leonard N | Foldable ladder combination with truck cargo carrier |
| CN2745795Y (en) * | 2004-11-26 | 2005-12-14 | 清华同方威视技术股份有限公司 | Roll-over ladder structure suitable for assembling on vehicle |
| CN2815779Y (en) * | 2005-06-28 | 2006-09-13 | 东风汽车有限公司 | Folding pedal for passenger car |
| EP1738733A1 (en) * | 2005-06-29 | 2007-01-03 | Hübner Transportation GbmH | Ramp for vehicles, especially for buses |
| CN2923429Y (en) * | 2006-05-17 | 2007-07-18 | 王晓东 | Folding ladder for vehicle |
| CN200988458Y (en) * | 2006-10-17 | 2007-12-12 | 丁荣主 | Folding ladder for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101487374A (en) | 2009-07-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20160302 |