CN107795270A - A kind of full folding climbing ladder of chain type - Google Patents
A kind of full folding climbing ladder of chain type Download PDFInfo
- Publication number
- CN107795270A CN107795270A CN201610757592.0A CN201610757592A CN107795270A CN 107795270 A CN107795270 A CN 107795270A CN 201610757592 A CN201610757592 A CN 201610757592A CN 107795270 A CN107795270 A CN 107795270A
- Authority
- CN
- China
- Prior art keywords
- cross bar
- handrail
- blade
- hinged
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/52—Ladders in general with non-rigid longitudinal members
- E06C1/56—Rope or chain ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of full folding climbing ladder of chain type, including the step unit that multiple head and the tail are sequentially connected, the step unit includes two the first parallel handrails, two the second parallel handrails being each hinged with the first handrail lower end inside；Second handrail inner top side and lower end are respectively provided with the cross bar marked time, and cross bar includes the first cross bar and the second cross bar, is hinged therebetween, and the first cross bar and the second cross bar can be along the pin joint doublings of the two；The other end of first cross bar and the second cross bar is hinged with the second handrail respectively；First handrail can rotate around the pin joint of itself and the second handrail along the longitudinal direction of the second handrail；Second handrail and the first cross bar, the hinged place of the second cross bar are equipped with the locking device that first, second cross bar being tensioned to and limited, the first handrail and the second handrail relatively rotate.This cat ladder folding convenient, volume after folding is small, is convenient for carrying.Due to being chain structure, length arbitrarily increases and decreases, can arbitrarily overlapped.
Description
Technical field
The invention belongs to utility field, and in particular to a kind of full folding climbing ladder of chain type.
Background technology
Cat ladder is substantially the everyday tools that every household is required for, and common cat ladder can not all fold substantially, and volume is big, long
Degree length, space-consuming are larger.
Although there is the cat ladder of two sections of foldings on the market, and the cat ladder slided up and down, store still extremely difficult, receipts
Rear volume of receiving is still very big, inconvenient to carry.And the higher ladder of height stores more difficult, going out, it is more inconvenient to carry.
The content of the invention
In view of the above-mentioned problems, the present invention is intended to provide full folding climbing ladder of chain type convenient for collecting, easy to carry.
The technical scheme of the present invention that solves the problems, such as is：A kind of full folding climbing ladder of chain type, including multiple head and the tail are sequentially connected
Step unit, the step unit include two the first parallel handrails, each with the first handrail lower end inside be hinged two
The second parallel handrail；
Second handrail inner top side and lower end are respectively provided with the cross bar marked time, and the cross bar includes the first cross bar and the second horizontal stroke
Bar, it is hinged therebetween, and the first cross bar and the second cross bar can be along the pin joint doublings of the two；
The other end of first cross bar and the second cross bar is hinged with the second handrail respectively；
First handrail can rotate around the pin joint of itself and the second handrail along the longitudinal direction of the second handrail；
The hinged place of second handrail and the first cross bar, the second cross bar, which is equipped with, to be tensioned first, second cross bar and limit
The locking device that first handrail and the second handrail relatively rotate.
In such scheme, cross bar uses two sections of articulated structures, can be achieved laterally folded；First handrail and the second handrail pass through
Rotation is achievable longitudinal folding, is folded step by step similar to driving chain is the same, it is equal with handrail length to may ultimately reach length
Size, be extremely convenient for carrying.
Further, it is hinged between first handrail and the second handrail by rotating pin；
Be provided with through hole on the second handrail, positioned at the hinge area of first, second cross bar and the second handrail, on the first handrail with
The through hole corresponding position is provided with the first hole, and the first hole is equal with through-hole aperture；
The locking device includes installed in the locking hitching post that through hole is interior and coordinates with via clearance, is fixed on locking hitching post
First connecting rod axle, it is fixed on the first cross bar and the second connecting rod axle and connecting rod of second cross bar one end；
The connecting rod two end is set on first connecting rod axle and second connecting rod axle, and can be rotated around first, second pitman shaft；
The locking hitching post can move axially along through hole, and be movable in the first hole.
In such scheme, when cat ladder deploys, second connecting rod axle drivening rod, connecting rod will then be locked by first connecting rod axle
Hitching post presses to the first hole from through hole, until after cross bar is fully deployed, locking hitching post is located in the first hole, and now the first handrail is turning
While dynamic bearing pin and locking hitching post under effect, it is impossible to rotated relative to the second handrail.
When cross bar collapses, second connecting rod axle drivening rod, connecting rod then drives locking hitching post to horizontal stroke by first connecting rod axle
Bar collapse direction movement, and depart from the first hole, unlock locking of the hitching post to the first handrail.Afterwards pull both sides handrail to
Centre is drawn close.
Further, the locking hitching post can turn round in through hole；
First cross bar, the second cross bar can rotate around the pin joint each with the second handrail along the longitudinal direction of the second handrail.
Specifically, first cross bar, the second cross bar are hinged with the second handrail by being engaged hinge, the occlusion hinge
The second blade and third blade including the first blade, with the first vane hinge；
The second blade lower end and third blade upper end are arcuate structure, and the arcwall face of two arcuate structures matches and stung
Close, the second blade can be rotated against arcuately in face with third blade；
First blade is fixedly connected with first, second cross bar one end.
In such scheme, the first cross bar and the second cross bar are laterally folded and then to lock hitching post as rotating shaft, arcuately tie
Structure is rotated to being hidden in the second handrail.
In a kind of specific scheme, the third blade upper end is provided with arcuate guide rail, and the second blade lower end is provided with and arc
The neck that shape guided way coordinates, neck after guided way snap-fit in guided way with can slide.
Preferably, it is hinged between first cross bar and the second cross bar by hinge.
The invention provides a kind of brand-new Foldable ladder, its remarkable result is shown：
1. folding convenient, volume after folding is small, is convenient for carrying.
2. due to being chain structure, length arbitrarily increases and decreases, and is short to step ladder, grows to tens of rice, can arbitrarily overlap.
3. in existing cat ladder technology, can shorten without a kind of cat ladder, and this cat ladder has the characteristics of shortening.In spy
Different environment, such as in architectural engineering, in use, to take a scaffold height again inadequate on scaffold, take two scaffolds again
Superelevation, and any overlap joint function of this cat ladder, it just can overcome the disadvantages that this defect.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram after cat ladder of the present invention is fully deployed.
Fig. 2 is cat ladder partial schematic diagram.
Fig. 3 is in Fig. 2 I enlarged drawing.
Fig. 4 is occlusion hinge arrangement figure.
Fig. 5 is the state diagram after cross bar folds.
Fig. 6 is handrail folding process state diagram.
Fig. 7 is the schematic diagram after cat ladder folds completely.
In figure：1- step units, the handrails of 2- first, the handrails of 3- second, the cross bars of 4- first, the cross bars of 5- second, 6- rotational pins
Axle, 7- locking hitching posts, 8- first connecting rod axles, 9- second connecting rod axles, 10- connecting rods, 11- occlusion hinges, 12- hinges, 13- first
Hole, the blades of 111- first, the blades of 112- second, 113- third blades, 114- guided ways, 115- necks.
Embodiment
For the ease of description, the relative position relation of each part（Such as：It is upper and lower etc.）Description be according to Figure of description
Butut direction be described, restriction effect is not played to the structure of this patent.
As shown in Fig. 1~7, a kind of full folding climbing ladder of chain type, including the step unit 1 that multiple head and the tail are sequentially connected.It is described
Step unit 1 include two the first parallel handrails 2, each with the lower end inside of the first handrail 2 be hinged two parallel second
Handrail 3.
The inner top side of second handrail 3 and lower end are respectively provided with the cross bar marked time, and the cross bar includes the He of the first cross bar 4
Second cross bar 5, it is be hinged by hinge 12 therebetween, and the first cross bar 4 and the second cross bar 5 can be along the pin joint doublings of the two.
The other end of first cross bar 4 and the second cross bar 5 is be hinged by being engaged hinge 11 with the second handrail 3 respectively.It is described
Being engaged hinge 11 includes the first blade 111, the second blade 112 being hinged with the first blade 111 and third blade 113.It is described
The lower end of second blade 112 and the upper end of third blade 113 are arcuate structure, and the arcwall face of two arcuate structures matches and is engaged,
Second blade 112 can be rotated against arcuately in face with third blade 113.For example, a kind of preferable mode is the third blade
113 upper ends are provided with arcuate guide rail 114, and the lower end of the second blade 112 is provided with the neck 115 coordinated with arcuate guide rail 114, neck
115 after the snap-fit of guided way 114 in guided way 114 with can slide.
First blade 111 is fixedly connected with first, second cross bar one end.
First handrail 2 can rotate around the pin joint of itself and the second handrail 3 along the longitudinal direction of the second handrail 3.
The cross bar 4 of second handrail 3 and first, the hinged place of the second cross bar 5 is equipped with to be tensioned first, second cross bar
And limit the locking device that the first handrail 2 and the second handrail 3 relatively rotate.
It is be hinged by rotating pin 6 between the handrail 3 of first handrail 2 and second.
Through hole is provided with the second handrail 3, positioned at the hinge area of first, second cross bar and the second handrail 3.Helped first
The first hole 13 is provided with hand 2 with the through hole corresponding position, the first hole 13 is equal with through-hole aperture.
The locking device includes installed in the locking hitching post 7 that through hole is interior and coordinates with via clearance, is fixed on locking bolt
First connecting rod axle 8 on post 7, it is fixed on the first cross bar and the second connecting rod axle 9 and connecting rod 10 of second cross bar one end.
The both ends of connecting rod 10 are set on first connecting rod axle 8 and second connecting rod axle 9, and can be connected around first, second
Bar axle rotates.
The locking hitching post 7 can move axially along through hole, and be movable in the first hole 13.And locking hitching post 7 can be logical
Turned round in hole.
When being folded by Fig. 1 its fully unfolded position, first by the first cross bar 4 and the doubling of the second cross bar 5, second connecting rod axle
9 drivening rods 10, connecting rod 10 then drives locking hitching post 7 to be moved to the cross bar direction that collapses by first connecting rod axle 8, and departs from the
One hole 13, unlock locking of the hitching post 7 to the first handrail 2.Pull the handrail on both sides to be drawn close to centre afterwards, form Fig. 5's
State.First cross bar 4 and the second cross bar 5 are laterally folded and then to lock hitching post 7 as rotating shaft, and arcuately structure is rotated to hidden
It is hidden in the second handrail 3.
The first handrail 2 and the second handrail 3 are realized by rotation again it is longitudinal folding, it is the same step by step similar to driving chain
Fold, its process is as shown in Figure 6.The length size equal with handrail length is may ultimately reach, is extremely convenient for carrying.
Cat ladder expansion process is the inverse process of said process, and after first, second cross bar is fully deployed, locking hitching post 7 is located at
In first hole 13, under now the first handrail 2 acts on while rotating pin 6 and locking hitching post 7, it is impossible to helped relative to second
Hand 3 rotates.
Claims (6)
1. a kind of full folding climbing ladder of chain type, including the step unit that multiple head and the tail are sequentially connected（1）, it is characterised in that：The ladder
Level unit（1）Including two the first parallel handrails（2）, each with the first handrail（2）Lower end inside be hinged two is parallel
Second handrail（3）；
Second handrail（3）Inner top side and lower end are respectively provided with the cross bar marked time, and the cross bar includes the first cross bar（4）With
Second cross bar（5）, it is hinged therebetween, and the first cross bar（4）With the second cross bar（5）Can be along the pin joint doubling of the two；
First cross bar（4）With the second cross bar（5）The other end respectively with the second handrail（3）It is be hinged；
First handrail（2）Can be around itself and the second handrail（3）Pin joint along the second handrail（3）Longitudinal direction rotation；
Second handrail（3）With the first cross bar（4）, the second cross bar（5）Be equipped with can be by first, second cross bar for hinged place
Tight and the first handrail of limitation（2）With the second handrail（3）The locking device of relative rotation.
2. the full folding climbing ladder of chain type according to claim 1, it is characterised in that：First handrail（2）With the second handrail
（3）Between pass through rotating pin（6）It is be hinged；
In the second handrail（3）Above, positioned at first, second cross bar and the second handrail（3）Hinge area be provided with through hole, helped first
Hand（2）The upper and through hole corresponding position is provided with the first hole（13）, the first hole（13）It is equal with through-hole aperture；
The locking hitching post that the locking device includes being arranged in through hole and coordinated with via clearance（7）, be fixed on locking hitching post
（7）On first connecting rod axle（8）, be fixed on the first cross bar and the second connecting rod axle of second cross bar one end（9）And connecting rod
（10）；
The connecting rod（10）Both ends are set in first connecting rod axle（8）With second connecting rod axle（9）On, and can be around first, second
Pitman shaft rotates；
The locking hitching post（7）It can be moved axially along through hole, and be movable to the first hole（13）It is interior.
3. the full folding climbing ladder of chain type according to claim 2, it is characterised in that：The locking hitching post（7）Can be in through hole
Revolution；
First cross bar（4）, the second cross bar（5）Can around each with the second handrail（3）Pin joint along the second handrail（3）'s
Longitudinal direction rotation.
4. the full folding climbing ladder of chain type according to claim 3, it is characterised in that：First cross bar（4）, the second cross bar
（5）With the second handrail（3）By being engaged hinge（11）It is be hinged, the occlusion hinge（11）Including the first blade（111）And the
One blade（111）The second be hinged blade（112）And third blade（113）；
Second blade（112）Lower end and third blade（113）Upper end is arcuate structure, the arcwall face phase of two arcuate structures
Match and be engaged, the second blade（112）With third blade（113）Arcuately it can rotate against in face；
First blade（111）It is fixedly connected with first, second cross bar one end.
5. the full folding climbing ladder of chain type according to claim 4, it is characterised in that：The third blade（113）Upper end is provided with
Arcuate guide rail（114）, the second blade（112）Lower end is provided with and arcuate guide rail（114）The neck of cooperation（115）, neck
（115）With guided way（114）Can be in guided way after snap-fit（114）Interior slip.
6. the full folding climbing ladder of chain type according to claim 1, it is characterised in that：First cross bar（4）With the second cross bar
（5）Between pass through hinge（12）It is be hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757592.0A CN107795270B (en) | 2016-08-30 | 2016-08-30 | A kind of full folding climbing ladder of chain type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757592.0A CN107795270B (en) | 2016-08-30 | 2016-08-30 | A kind of full folding climbing ladder of chain type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107795270A true CN107795270A (en) | 2018-03-13 |
| CN107795270B CN107795270B (en) | 2019-11-22 |
Family
ID=61528029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610757592.0A Active CN107795270B (en) | 2016-08-30 | 2016-08-30 | A kind of full folding climbing ladder of chain type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107795270B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085933A (en) * | 2021-04-27 | 2021-07-09 | 中车唐山机车车辆有限公司 | Armrest device and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2886974A1 (en) * | 2005-06-08 | 2006-12-15 | Airbus France Sas | Ladder for use in e.g. civil aircraft, has posts spaced from each other, half bars disposed in extension from each other and articulations blocked toward bottom by mutual support of contact plates, in deployed position of posts and bars |
| CN202990824U (en) * | 2012-12-31 | 2013-06-12 | 重庆独到建材有限公司 | Foldable ladder |
| CN103147681A (en) * | 2013-03-28 | 2013-06-12 | 河南省电力公司信阳供电公司 | Multifunctional meter reading ladder |
| CN204252814U (en) * | 2014-11-11 | 2015-04-08 | 河海大学 | A kind of folding anti-slip ladder |
| DE202016001297U1 (en) * | 2016-02-29 | 2016-04-08 | Georg Kantorik | Collapsible ladder |
| CN206000444U (en) * | 2016-08-30 | 2017-03-08 | 刘剑君 | A kind of full folding climbing ladder of chain type |
-
2016
- 2016-08-30 CN CN201610757592.0A patent/CN107795270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2886974A1 (en) * | 2005-06-08 | 2006-12-15 | Airbus France Sas | Ladder for use in e.g. civil aircraft, has posts spaced from each other, half bars disposed in extension from each other and articulations blocked toward bottom by mutual support of contact plates, in deployed position of posts and bars |
| CN202990824U (en) * | 2012-12-31 | 2013-06-12 | 重庆独到建材有限公司 | Foldable ladder |
| CN103147681A (en) * | 2013-03-28 | 2013-06-12 | 河南省电力公司信阳供电公司 | Multifunctional meter reading ladder |
| CN204252814U (en) * | 2014-11-11 | 2015-04-08 | 河海大学 | A kind of folding anti-slip ladder |
| DE202016001297U1 (en) * | 2016-02-29 | 2016-04-08 | Georg Kantorik | Collapsible ladder |
| CN206000444U (en) * | 2016-08-30 | 2017-03-08 | 刘剑君 | A kind of full folding climbing ladder of chain type |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085933A (en) * | 2021-04-27 | 2021-07-09 | 中车唐山机车车辆有限公司 | Armrest device and vehicle |
| CN113085933B (en) * | 2021-04-27 | 2022-07-26 | 中车唐山机车车辆有限公司 | Armrest device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107795270B (en) | 2019-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Xuebo Inventor after: Luo Daiqiang Inventor after: Xin Hongsong Inventor after: Liu Jianjun Inventor before: Liu Jianjun |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: 551700 Gulou Community, Wulong Street, Jinsha County, Bijie City, Guizhou Province Patentee after: Guizhou Xidian Power Co.,Ltd. Qianbei power plant Address before: 410007, No. 76, Xinjian West Road, Yuhua District, Hunan, Changsha Patentee before: Liu Jianjun |