CN206000444U - 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
- CN206000444U CN206000444U CN201620979507.0U CN201620979507U CN206000444U CN 206000444 U CN206000444 U CN 206000444U CN 201620979507 U CN201620979507 U CN 201620979507U CN 206000444 U CN206000444 U CN 206000444U
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of full folding climbing ladder of chain type, the step unit being sequentially connected including multiple head and the tail, described step unit includes two the first parallel handrails, two each hinged with the first handrail lower end inside the second parallel handrails；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, 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 the first cross bar and the second cross bar is hinged with the second handrail respectively；First handrail can around its pin joint with the second handrail along the second handrail longitudinal direction rotation；The hinged place of the second handrail and the first cross bar, the second cross bar is equipped with and by first, second cross bar tensioning and can limit the locking device that the first handrail and the second handrail relatively rotate.This cat ladder folding convenient, volume after folding is little, is convenient for carrying.Due to being chain structure, length arbitrarily increases and decreases, and can arbitrarily overlap.
Description
Technical field
This utility model 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 all can not fold substantially, and volume is big, long
Degree length, takes up room larger.
Although there being the cat ladder of two sections of foldings on the market, and the cat ladder sliding up and down, store still extremely difficult, receive
Rear volume of receiving is still very big, inconvenient to carry.And the higher ladder of height store more difficult, outgoing carry more inconvenient.
Utility model content
For the problems referred to above, this utility model aims to provide convenient for collecting, the full folding climbing ladder of chain type easy to carry.
The technical scheme of this utility model solve problem is：A kind of full folding climbing ladder of chain type, connects successively including multiple head and the tail
The step unit connecing, described step unit includes two the first parallel handrails, each hinged with the first handrail lower end inside
Two the second parallel handrails；
Second handrail inner top side and lower end are respectively provided with the cross bar marked time, and described cross bar includes the first cross bar and
Two cross bars, 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 the first cross bar and the second cross bar is hinged with the second handrail respectively；
Described first handrail can around its pin joint with the second handrail along the second handrail longitudinal direction rotation；
The hinged place of described second handrail and the first cross bar, the second cross bar is equipped with can by first, second cross bar tensioning simultaneously
Limit the locking device that the first handrail and the second handrail relatively rotate.
In such scheme, cross bar adopts two sections of articulated structures, can achieve laterally folded；First handrail and the second handrail pass through
Rotation is achievable longitudinal folding, folds step by step similar to driving chain is the same, may ultimately reach length equal with handrail length
Size, be extremely convenient for carrying.
Further, pass through rotating pin between described first handrail and the second handrail hinged；
On the second handrail, the hinge area that is located at first, second cross bar and the second handrail be provided with through hole, in the first handrail
Upper and this through hole corresponding position has the first hole, and the first hole is equal with through-hole aperture；
Described locking device includes being arranged in through hole and the locking hitching post with via clearance cooperation, is fixed on locking hitching post
On first connecting rod axle, the second connecting rod axle being fixed on the first cross bar and second cross bar one end and connecting rod；
Described connecting rod two ends are set on first connecting rod axle and second connecting rod axle, and can be around first, second pitman shaft
Rotate；
Described locking hitching post can move axially along through hole, and is movable to the first in the hole.
In such scheme, when cat ladder launches, second connecting rod axle drivening rod, connecting rod will be locked by first connecting rod axle then
Hitching post presses to the first hole from through hole, until after cross bar is fully deployed, locking hitching post is located at the first in the hole, now the first handrail is turning
It is impossible to enough rotate with respect to the second handrail under effect while dynamic bearing pin and locking hitching post.
When cross bar collapses, second connecting rod axle drivening rod, connecting rod then passes through first connecting rod axle and drives locking hitching post to horizontal stroke
The bar direction that collapses is moved, and departs from the first hole, unlock the locking to the first handrail for the hitching post.Afterwards pull both sides handrail to
Centre is drawn close.
Further, described locking hitching post can turn round in through hole；
Described first cross bar, the second cross bar all can revolve along the longitudinal direction of the second handrail around the respective pin joint with the second handrail
Turn.
Specifically, described first cross bar, the second cross bar with the second handrail all by being engaged hinge, described occlusion hinge
The second blade including the first blade and the first vane hinge and third blade；
Described second blade lower end and third blade upper end are arcuate structure, and the arcwall face of two arcuate structures matches simultaneously
Occlusion, the second blade can arcuately be rotated against 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 laterally folded after, then with lock hitching post as rotating shaft, arcuately tie
Structure rotates to being hidden in the second handrail.
In a kind of specific scheme, described third blade upper end is provided with arcuate guide rail, and the second blade lower end is provided with and arc
The draw-in groove of shape guided way cooperation, can slide after draw-in groove and guided way snap-fit in guided way.
Preferably, pass through hinge between described first cross bar and the second cross bar hinged.
This utility model provides a kind of brand-new Foldable ladder, and its remarkable result shows：
1. folding convenient, volume after folding is little, is convenient for carrying.
2. due to being chain structure, length arbitrarily increases and decreases, and is short to a step ladder, grows to tens of rice, can arbitrarily overlap.
3., in existing cat ladder technology, do not have a kind of cat ladder can shorten, and this cat ladder has the characteristics that shortening.In spy
Different environment, in such as architectural engineering, when using on scaffold, takes a scaffold height again not, takes two scaffolds again
Superelevation, and any overlap joint function of this cat ladder, just can overcome the disadvantages that this defect.
Brief description
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 schematic diagram after fully deployed for this utility model cat ladder.
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 folding.
Fig. 6 is handrail folding process state diagram.
Fig. 7 fold completely for cat ladder after schematic diagram.
In figure：1- step unit, 2- first handrail, 3- second handrail, 4- first cross bar, 5- second cross bar, 6- rotational pin
Axle, 7- locks hitching post, 8- first connecting rod axle, 9- second connecting rod axle, 10- connecting rod, and 11- is engaged hinge, 12- hinge, 13- first
Hole, 111- first blade, 112- second blade, 113- third blade, 114- guided way, 115- draw-in groove.
Specific embodiment
For the ease of description, the relative position relation of each part（As：Upper and lower etc.）Description be all according to Figure of description
Butut direction come to 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, the step unit 1 being sequentially connected including multiple head and the tail.Described
Step unit 1 include two the first parallel handrails 2, each hinged with the first handrail 2 lower end inside two parallel second
Handrail 3.
Second handrail 3 inner top side and lower end are respectively provided with the cross bar marked time, and described cross bar includes the first cross bar 4 He
Second cross bar 5, 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 the first cross bar 4 and the second cross bar 5 is all hinged by being engaged hinge 11 with the second handrail 3 respectively.Described
Occlusion hinge 11 includes the first blade 111 second blade 112 hinged with the first blade 111 and third blade 113.Described
Second blade 112 lower end and third blade 113 upper end are arcuate structure, and the arcwall face of two arcuate structures matches and is engaged,
Second blade 112 can arcuately be rotated against in face with third blade 113.For example, a kind of preferred mode is, described third blade
113 upper ends are provided with arcuate guide rail 114, and the second blade 112 lower end is provided with the draw-in groove 115 with arcuate guide rail 114 cooperation, draw-in groove
115 with guided way 114 snap-fit after can slide in guided way 114.
First blade 111 is fixedly connected with first, second cross bar one end.
Described first handrail 2 can around its pin joint with the second handrail 3 along the second handrail 3 longitudinal direction rotation.
The hinged place of described second handrail 3 and the first cross bar 4, the second cross bar 5 is equipped with can be by first, second cross bar tensioning
And limit the locking device that the first handrail 2 and the second handrail 3 relatively rotate.
Pass through rotating pin 6 hinged between described first handrail 2 and the second handrail 3.
On the second handrail 3, the hinge area that is located at first, second cross bar and the second handrail 3 be provided with through hole.Help first
First hole 13 is had with this through hole corresponding position on handss 2, the first hole 13 is equal with through-hole aperture.
Described locking device includes being arranged in through hole and the locking hitching post 7 with via clearance cooperation, is fixed on locking bolt
First connecting rod axle 8 on post 7, the second connecting rod axle 9 being fixed on the first cross bar and second cross bar one end and connecting rod 10.
Described connecting rod 10 two ends are set on first connecting rod axle 8 and second connecting rod axle 9, and can around first, second even
Bar axle rotates.
Described locking hitching post 7 can move axially along through hole, and is movable in the first hole 13.And locking hitching post 7 can be logical
In the hole is turned round.
When folding by its fully unfolded position of Fig. 1, first by the first cross bar 4 and the second cross bar 5 doubling, second connecting rod axle
9 drivening rods 10, connecting rod 10 drives locking hitching post 7 to move to the cross bar direction that collapses by first connecting rod axle 8 then, and departs from the
One hole 13, unlock the locking to the first handrail 2 for the hitching post 7.Pull the handrail on both sides to draw close to centre afterwards, form Fig. 5's
State.First cross bar 4 and the second cross bar 5 laterally folded after, then to lock hitching post 7 as rotating shaft, arcuately structure rotates to hidden
It is hidden in the second handrail 3.
Again the first handrail 2 and the second handrail 3 are realized longitudinal folding by rotation, the same step by step similar to driving chain
Fold, its process is as shown in Figure 6.May ultimately reach the length size equal with handrail length, be extremely convenient for carrying.
Cat ladder launches the inverse process that process is said process, and after first, second cross bar is fully deployed, locking hitching post 7 is located at
In first hole 13, it is impossible to enough help with respect to second under now the first handrail 2 effect while rotating pin 6 and locking hitching post 7
Handss 3 rotate.
Claims (6)
1. the full folding climbing ladder of a kind of chain type, the step unit being sequentially connected including multiple head and the tail（1）It is characterised in that：Described ladder
Level unit（1）Including two the first parallel handrails（2）, each with the first handrail（2）Lower end inside hinged two are parallel
Second handrail（3）；
Second handrail（3）Inner top side and lower end are respectively provided with the cross bar marked time, and described cross bar includes the first cross bar（4）With
Second cross bar（5）, 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）Hinged；
Described first handrail（2）Can be around it with the second handrail（3）Pin joint along the second handrail（3）Longitudinal direction rotation；
Described second handrail（3）With the first cross bar（4）, the second cross bar（5）Hinged place be equipped with and first, second cross bar can be opened
Tight and limit the first handrail（2）With the second handrail（3）The locking device relatively rotating.
2. the full folding climbing ladder of chain type according to claim 1 it is characterised in that：Described first handrail（2）With the second handrail
（3）Between pass through rotating pin（6）Hinged；
In the second handrail（3）Above, it is located at first, second cross bar and the second handrail（3）Hinge area be provided with through hole, help first
Handss（2）Upper and this through hole corresponding position has the first hole（13）, the first hole（13）Equal with through-hole aperture；
Described locking device includes the locking hitching post being arranged in through hole and coordinating 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）；
Described connecting rod（10）Two 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；
Described locking hitching post（7）Can move axially along through hole, and be movable to the first hole（13）Interior.
3. the full folding climbing ladder of chain type according to claim 2 it is characterised in that：Described locking hitching post（7）Can be in through hole
Revolution；
Described first cross bar（4）, the second cross bar（5）All can be around respective and the second handrail（3）Pin joint along the second handrail（3）'s
Longitudinally rotate.
4. the full folding climbing ladder of chain type according to claim 3 it is characterised in that：Described first cross bar（4）, the second cross bar
（5）With the second handrail（3）All by being engaged hinge（11）Hinged, described occlusion hinge（11）Including the first blade（111）, and
One blade（111）The second hinged blade（112）, and third blade（113）；
Described second blade（112）Lower end and third blade（113）Upper end is arcuate structure, the arcwall face phase of two arcuate structures
Mate and be engaged, the second blade（112）With third blade（113）Can arcuately 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：Described 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 draw-in groove of cooperation（115）, draw-in groove
（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：Described first cross bar（4）With the second cross bar
（5）Between pass through hinge（12）Hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979507.0U CN206000444U (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 |
|---|---|---|---|
| CN201620979507.0U CN206000444U (en) | 2016-08-30 | 2016-08-30 | A kind of full folding climbing ladder of chain type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000444U true CN206000444U (en) | 2017-03-08 |
Family
ID=58196160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979507.0U Withdrawn - After Issue CN206000444U (en) | 2016-08-30 | 2016-08-30 | A kind of full folding climbing ladder of chain type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795270A (en) * | 2016-08-30 | 2018-03-13 | 刘剑君 | A kind of full folding climbing ladder of chain type |
-
2016
- 2016-08-30 CN CN201620979507.0U patent/CN206000444U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795270A (en) * | 2016-08-30 | 2018-03-13 | 刘剑君 | A kind of full folding climbing ladder of chain type |
| CN107795270B (en) * | 2016-08-30 | 2019-11-22 | 刘剑君 | A kind of full folding climbing ladder of chain type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170308 Effective date of abandoning: 20191122 |
|
| AV01 | Patent right actively abandoned |