CN103510841B - Ladder - Google Patents
Ladder Download PDFInfo
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- CN103510841B CN103510841B CN201310402957.4A CN201310402957A CN103510841B CN 103510841 B CN103510841 B CN 103510841B CN 201310402957 A CN201310402957 A CN 201310402957A CN 103510841 B CN103510841 B CN 103510841B
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- ladder
- cross bar
- flexible wire
- ladder main
- main
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Abstract
The open a kind of ladder of the present invention, comprise ladder main, flexible wire and sway brace, described flexible wire arranges along the length direction of described ladder main and two ends are connected to the two ends of described ladder main, the middle part of described ladder main has the first cross bar, and described sway brace is supported between described first cross bar and described flexible wire. Ladder of the present invention has bigger than the intensity of general ladder, the advantage that length is longer.
Description
Technical field
The present invention relates to a kind of ladder, the intensity particularly relating to a kind of general ladder of ratio is bigger, the ladder that length is longer.
Background technology
In daily life, people often can use ladder to take and be placed on the thing of eminence, the common especially thing of ladder in finishing and building trade, the general ladder used is H type ladder now, this kind of ladder by mutual approximately parallel montant and etc. the cross bar being fixed on montant of spacing form; When H type ladder uses, ladder is relied on a support with tilting, people then can step on cross bar and on; This kind of ladder can also use as bridge, it may also be useful to time, only by its horizontal positioned, ladder need to be made to be overlapped in both sides high bit, thus is available for users to or depressed area low-lying conveniently by some.
But, existing ladder generally all does shorter, usually only has the length of three to four meters, and this is owing to the structure of ladder itself makes the intensity of ladder be restricted; If the length of general ladder being increased to six meters or longer, when vertical or when horizontal positioned uses, it may also be useful to person carries thereon, and the middle part of ladder there will be obvious flexural deformation, thus easier than general ladder fracture, thus reduce security; Therefore existing ladder can only limit in shorter length.
Summary of the invention
It is an object of the invention to provide the intensity of a kind of general ladder of ratio bigger, the ladder that length is longer.
In order to realize above-mentioned purpose, ladder provided by the invention, comprise ladder main, flexible wire and sway brace, described flexible wire arranges along the length direction of described ladder main and two ends are connected to the two ends of described ladder main, the middle part of described ladder main has the first cross bar, and described sway brace is supported between described first cross bar and described flexible wire.
Goodly, the two ends of described ladder main have the 2nd cross bar and the 3rd cross bar respectively, and the two ends of described flexible wire are connected on described 2nd cross bar and the 3rd cross bar. When ladder is longer, the intensity of the middle section of ladder main diminishes, easily fracture, therefore, described 2nd cross bar at the two ends being positioned at described ladder main by being connected on the limit, two ends of described flexible wire and the 3rd cross bar, thus make the two ends being distributed to ladder main by power at the middle part of ladder main, and then enhance the intensity at the middle part of ladder main.
Specifically, the two ends of described flexible wire are provided with the buckling piece being connected respectively with described 2nd cross bar and the 3rd cross bar. Utilize described buckling piece and described 2nd cross bar and the 3rd cross bar button to close, described flexible wire can be made to install fast and dismantle, it may also be useful to very convenient.
Goodly, it is provided with, in arbitrary cross bar of described ladder main, the containing cavities receiving described flexible wire.Not needing to use described flexible wire when described ladder does not need the intensity strengthening self, therefore, at this moment can be positioned in described containing cavities by described flexible wire, can prevent described flexible wire from losing on the one hand, another aspect is convenient for carrying, and uses at any time.
Goodly, the fold mechanism of sway brace described in folding it is provided with between described first cross bar and described sway brace. When not using described flexible wire, utilize described fold mechanism to be folded fast by described sway brace, prevent the normal use affecting ladder because described sway brace stretches out, and sway brace folding is conducive to saving parking space.
Goodly, described flexible wire is steel wire. Owing to the intensity of steel wire is relatively big, therefore, it may also be useful to steel wire can effectively improve the intensity of ladder.
Goodly, described ladder main is flexible ladder. Use described flexible ladder to be conducive to ladder collapses, thus make its volume less, conveniently deposit and transport.
Compared with prior art, owing to the present invention by arranging flexible wire in described ladder main, and a sway brace is set between described flexible wire and ladder main, thus making to form between described ladder main, flexible wire and sway brace three two trilateral structures, the stability utilizing trilateral structure to have reaches the object of the intensity strengthening ladder main; When obtaining user and be in the middle part of described ladder main, described ladder main is subject to bigger pressure, prevent from, in the middle part of described ladder main, bigger distortion occurs by the supporting role of described sway brace and flexible wire, thus avoid ladder main to fracture because being subject to power excessive so that the ladder that the strength ratio of whole ladder is general is big, and, owing to intensity increases, the length of ladder can be done longer, reaches height or distance that general ladder can not arrive, significantly enhances the practicality of ladder.
Accompanying drawing explanation
Fig. 1 is the structural representation of ladder of the present invention.
Fig. 2 is the side-view of ladder of the present invention.
Embodiment
For the effect technology contents of the present invention, structural attitude being described in detail, realize, below in conjunction with enforcement mode and coordinate accompanying drawing to be explained in detail.
As shown in Figure 1, ladder 100 of the present invention comprises ladder main 1, flexible wire 2 and sway brace 3, and ladder main 1 has two ladder posts 11 and some cross bars being connected between two ladder posts 11; The middle part of ladder main 1 has the first cross bar 12, and sway brace 3 is supported between the first cross bar 12 and flexible wire 2; Flexible wire 2 is arranged along the length direction of ladder main 1, and the two ends of ladder main 1 have the 2nd cross bar 13 and the 3rd cross bar 14 respectively, and the two ends of flexible wire 2 are connected on the 2nd cross bar 13 and the 3rd cross bar 14; Flexible wire 2 is steel wire, and the intensity of steel wire is relatively big, therefore, it may also be useful to steel wire can effectively improve the intensity of ladder. When ladder is longer, the intensity of the middle section of ladder main 1 diminishes, easily fracture, therefore, 2nd cross bar 13 at the two ends being positioned at ladder main 1 by being connected at the two ends of flexible wire 2 and the 3rd cross bar 14, thus make the two ends being distributed to ladder main 1 by power at the middle part of ladder main 1, and then enhance the intensity at the middle part of ladder main 1. Above-mentioned ladder main 1 also can use flexible ladder, and this is conducive to ladder collapses, thus makes its volume less, conveniently deposits and transports
Composition graphs 1, Fig. 2, specifically, the two ends of flexible wire 2 are provided with the buckling piece 21 being connected respectively with the 2nd cross bar 13 and the 3rd cross bar 14.Utilize buckling piece 21 and the 2nd cross bar 13 and the 3rd cross bar 14 button to close, flexible wire 2 can be made to install fast and dismantle, it may also be useful to very convenient.
2nd cross bar 13 is provided with the containing cavities 13a of storage flexible wire 2. Not needing when ladder does not need the intensity strengthening self to use flexible wire 2, therefore, at this moment can be positioned in containing cavities 13a by flexible wire 2, can prevent flexible wire 2 from losing so on the one hand, another aspect is convenient for carrying, and uses at any time. Certainly, it is also possible in other cross bars of ladder main 1, containing cavities 13a is set.
The fold mechanism (not shown) of folding sway brace 3 it is provided with between first cross bar 12 and sway brace 3. When not using flexible wire 2, utilize fold mechanism to be folded fast by sway brace 3, prevent the normal use affecting ladder because sway brace 3 stretches out, and sway brace 3 folding is conducive to saving parking space.
Compared with prior art, owing to the present invention by arranging flexible wire 2 in ladder main 1, and a sway brace 3 is set between flexible wire 2 and ladder main 1, thus making to form between ladder main 1, flexible wire 2 and sway brace 3 three two trilateral structures, the stability utilizing trilateral structure to have reaches the object of the intensity strengthening ladder main 1; When obtaining user and be in the middle part of ladder main 1, ladder main 1 is subject to bigger pressure, prevent from, in the middle part of ladder main 1, bigger distortion occurs by the supporting role of sway brace 3 and flexible wire 2, thus avoid ladder main 1 to fracture because being subject to power excessive so that the ladder that the strength ratio of whole ladder 100 is general is big, and, owing to intensity increases, the length of ladder can be done longer, reaches height or length distance that general ladder can not arrive, significantly enhances the practicality of ladder.
The above disclosed preferred embodiments being only the present invention, can not limit the interest field of the present invention certainly with this, and the equivalent variations therefore done according to the present patent application patent scope, still belongs to the scope that the present invention is contained.
Claims (3)
1. a ladder, it is characterized in that: comprise ladder main, flexible wire and sway brace, described flexible wire arranges along the length direction of described ladder main and two ends are connected to the two ends of described ladder main, the middle part of described ladder main has the first cross bar, and described sway brace is supported between described first cross bar and described flexible wire; The two ends of described ladder main have the 2nd cross bar and the 3rd cross bar respectively, and the two ends of described flexible wire are connected on described 2nd cross bar and the 3rd cross bar; The two ends of described flexible wire are provided with the buckling piece being connected respectively with described 2nd cross bar and the 3rd cross bar, and described buckling piece makes described flexible wire install fast and demolition; The containing cavities receiving described flexible wire it is provided with in arbitrary cross bar of described ladder main; The fold mechanism of sway brace described in folding it is provided with between described first cross bar and described sway brace.
2. ladder as claimed in claim 1, it is characterised in that: described flexible wire is steel wire.
3. ladder as claimed in claim 1, it is characterised in that: described ladder main is flexible ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402957.4A CN103510841B (en) | 2013-09-06 | 2013-09-06 | Ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402957.4A CN103510841B (en) | 2013-09-06 | 2013-09-06 | Ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103510841A CN103510841A (en) | 2014-01-15 |
| CN103510841B true CN103510841B (en) | 2016-06-08 |
Family
ID=49894207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310402957.4A Active CN103510841B (en) | 2013-09-06 | 2013-09-06 | Ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103510841B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2554740A (en) * | 2016-10-07 | 2018-04-11 | Bright Structures Ltd | A materials handling system |
| GB2572785A (en) * | 2018-04-10 | 2019-10-16 | Bright Structures Ltd | A frame |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002168078A (en) * | 2000-11-29 | 2002-06-11 | Taku Yoshizaki | Ladder distortion preventing instrument |
| JP2002227578A (en) * | 2001-02-05 | 2002-08-14 | Taku Yoshizaki | Ladder shaking preventing device |
| US20080011549A1 (en) * | 2006-07-14 | 2008-01-17 | Chris Lott | System for erecting ladder stand for hunting |
| CN200964785Y (en) * | 2006-10-31 | 2007-10-24 | 徐玉书 | High-altitude safety operation apparatus |
| CA2598594A1 (en) * | 2007-08-08 | 2009-02-08 | Daniel Mcmurray | Ladder stabilizer |
| CN102913120A (en) * | 2012-11-06 | 2013-02-06 | 枣庄矿业集团高庄煤业有限公司 | Maintenance tool lift |
| CN203035063U (en) * | 2012-12-04 | 2013-07-03 | 国家电网公司 | Barrier-crossing overhauling ladder |
-
2013
- 2013-09-06 CN CN201310402957.4A patent/CN103510841B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103510841A (en) | 2014-01-15 |
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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 | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20221019 Address after: 523000 No. 8, 1st Road, Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Patentee after: Guangdong Qunwang Technology Co.,Ltd. Address before: No. 12, Group 2, Qunhe Village, Buhe Town, Gong'an County, Jingmen City, Hubei Province, 434302 Patentee before: Yuan Shifeng |
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| TR01 | Transfer of patent right |