CN107237598A - A kind of folding extension ladder - Google Patents
A kind of folding extension ladder Download PDFInfo
- Publication number
- CN107237598A CN107237598A CN201710589429.2A CN201710589429A CN107237598A CN 107237598 A CN107237598 A CN 107237598A CN 201710589429 A CN201710589429 A CN 201710589429A CN 107237598 A CN107237598 A CN 107237598A
- Authority
- CN
- China
- Prior art keywords
- ladder
- hole
- retractor device
- folding
- medial surface
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
- E06C7/04—Hand-operated extending means carried by the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of folding extension ladder, including vertical rod, first retractor device, folding device and the second retractor device, symmetrical first retractor device of medial surface of the vertical rod, the medial surface front end of the vertical rod is arranged with ladder cross bar, the two ends of ladder cross bar are fixedly connected with the medial surface in two vertical rods, top end of sliding rod in first retractor device is provided with folding device, the lower end of contiguous block in the folding device is provided with fixed vertical ladder, two pillar upper surfaces of the fixed vertical ladder are arranged with the second retractor device, the folding extension ladder, carry and easy to use, fixed and support safety is reliable, use to user brings great convenience, and pass through the first retractor device, folding device and the second retractor device, realize the flexible of ladder and fold, reduce floor space, improve service efficiency.
Description
Technical field
The present invention relates to ladder equipment technical field, specially a kind of folding extension ladder.
Background technology
Ladder, daily life toolses do side, scansorial cross bar is crossed in centre, for climbing by two long thick bar,
In people live, climbing is ascended a height, it is necessary to which by ladder as support, therefore the demand of ladder is essential, but traditional ladder
Son, is carried and using letter inconvenience, floor space is larger, and fixed and support safety is not enough, and the use to user is brought greatly
Trouble, and the flexible of ladder can not be realized according to use demand and is folded, service efficiency is low, therefore, it is possible to solve this
Realizing for the folding extension ladder of class problem is imperative.
The content of the invention
The technical problem to be solved in the present invention is to overcome existing defect there is provided a kind of folding extension ladder, carry and
Easy to use, fixed and support safety is reliable, and the use to user brings great convenience, and is stretched by first
Compression apparatus, folding device and the second retractor device, realize the flexible of ladder and fold, reduce floor space, improve and use
Efficiency, the problem of effectively can solving in background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of folding extension ladder, including vertical rod,
One retractor device, folding device and the second retractor device, symmetrical first retractor device of medial surface of the vertical rod, the vertical rod
Medial surface front end is arranged with ladder cross bar, and the two ends of ladder cross bar are fixedly connected with the medial surface in two vertical rods, described
The lower end for the contiguous block that top end of sliding rod in one retractor device is provided with folding device, the folding device is provided with fixed vertical ladder,
Two pillar upper surfaces of the fixed vertical ladder are arranged with the upper of the sliding block on the second retractor device, second retractor device
End is fixedly connected with two pillar lower surfaces for sliding vertical ladder, and two pillar tops of the slip vertical ladder are arranged with inner screw sheath
Internal thread in hook, the lower beam external screw thread of hook and the cylinder of inner thread sleeve is equipped with cylinder, the cylinder of the inner thread sleeve to lead to
Threaded connection is crossed, the bottom of the vertical rod is equipped with round support base.
As a preferred technical solution of the present invention, first retractor device includes T-shaped groove, the T-shaped equal position of groove
In the medial surface of two vertical rods, be slidably connected slide bar in the groove of the T-shaped groove, and it is convex that the medial surface of slide bar is equipped with stripe shape
Block, the medial surface of stripe shape projection is fixedly connected with the two ends of treadle, and the lateral surface of the slide bar is arranged with fixing hole, described
The lateral surface of vertical rod is equipped with internal thread in adjusting knob, the bottom external screw thread of the adjusting knob and the hole of fixing hole and passes through spiral shell
Line is connected, and the junction of adjusting knob and vertical rod is equipped with screwed hole.
As a preferred technical solution of the present invention, the folding device includes bearing block, the top pair of two slide bars
Claim to be provided with bearing block, the upper end of bearing block is equipped with bearing, and the inside of the bearing is equipped with rotating shaft, and the surface of the rotating shaft is set
There is contiguous block, the two ends of the rotating shaft are arranged with adjustment disk, and the lateral surface of the adjustment disk is arranged with adjustment hole, described
Regulating bolt is provided with the hole of adjustment hole, the bottom of regulating bolt and the flank threads hole of bearing block are connected through a screw thread, adjusted
The external screw thread of bolt and the internal thread of adjustment hole are connected through a screw thread.
As a preferred technical solution of the present invention, second retractor device includes chute, and chute is located at fixed straight
Be slidably connected sliding block, the outside of two pillars of the fixed vertical ladder in two pillar upper surfaces of ladder, the groove of the chute
Surface, which is arranged with tapped through hole, the hole of the tapped through hole, is equipped with rotary screw, the external screw thread of the rotary screw
It is connected through a screw thread with the flank threads hole of sliding block.
As a preferred technical solution of the present invention, the height of the stripe shape projection is more than the medial surface of vertical rod away from slide bar
The length and width of the height of medial surface, the length of the stripe shape projection and the wide T-shaped mouth for being respectively less than T-shaped groove.
Compared with prior art, the beneficial effects of the invention are as follows：This folding extension ladder, is carried and using simple side
Just, hung by linking up with, round support base bottom support, realizing device, fixed and support safety is reliable in itself, to user's
Using bringing great convenience, and can according to use demand, by slide bar in the first retractor device T-shaped groove cunning
The dynamic, rotation by rotating shaft in folding device in bearing, by sliding block being slidably connected in chute in the second retractor device,
Realize the flexible of ladder and fold, reduce floor space, improve service efficiency.
Brief description of the drawings
Fig. 1 is structure front schematic view of the present invention；
Fig. 2 is texture edge schematic top plan view of the present invention；
Fig. 3 is structured rear surface schematic top plan view of the present invention；
Fig. 4 is the floor map that is slidably connected that structure of the present invention slides vertical ladder and fixed vertical ladder.
In figure：1 vertical rod, 2 first retractor devices, 21 T-shaped grooves, 22 slide bars, 23 stripe shape projections, 24 treadles, 25 are fixed
Hole, 26 adjusting knobs, 3 folding devices, 31 bearing blocks, 32 bearings, 33 rotating shafts, 34 contiguous blocks, 35 adjustment disks, 36 adjustment holes, 37
Vertical ladder, 5 second retractor devices, 51 chutes, 52 sliding blocks, 53 tapped through holes, 54 rotary screws, 6 slips are fixed directly in regulating bolt, 4
Ladder, 7 inner thread sleeves, 8 hooks, 9 round support bases, 10 ladder cross bars.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme：A kind of folding extension ladder, including vertical rod 1, first
Retractor device 2, the retractor device 5 of folding device 3 and second, vertical rod 1 provide support for top device and lay the effect in place, the
One retractor device 2 realizes the equivalent flexible of device, and folding device 3 realizes turning folding for device, and the second retractor device 5 is further
The flexible of device is realized, ladder floor space is smaller, is easy to carry, and does not influence security and use, the medial surface pair of vertical rod 1
Claim the first retractor device 2, the first retractor device 2 includes T-shaped groove 21, and T-shaped groove 21 provides place, T for the slip of slide bar 22
Type groove 21 is respectively positioned in the medial surface of two vertical rods 1, the groove of T-shaped groove 21 be slidably connected slide bar 22, the inner side of slide bar 22
Face is equipped with stripe shape projection 23, and stripe shape projection 23 is that treadle 24 provides support, and the height of stripe shape projection 23 is more than the inner side of vertical rod 1
The length and width of the height of the medial surface of identity distance slide bar 22, the length of stripe shape projection 23 and the wide T-shaped mouth for being respectively less than T-shaped groove 21, stripe shape
The medial surface of projection 23 is fixedly connected with the two ends of treadle 24, and treadle 24 is easy to user to climb, and the lateral surface of slide bar 22 is right
Claim to be provided with fixing hole 25, fixing hole 25 is easy to adjusting knob 26 to carry out the regulation of suitable telescopic level, and the lateral surface of vertical rod 1 is all provided with
There is adjusting knob 26, adjusting knob 26 adjusts the telescopic level of ladder, bottom external screw thread and the fixing hole 25 of adjusting knob 26
Internal thread is connected through a screw thread in hole, and adjusting knob 26 and the junction of vertical rod 1 are equipped with before screwed hole, the medial surface of vertical rod 1
End is arranged with ladder cross bar 10, and ladder cross bar 10 is easy to user to climb, and the two ends of ladder cross bar 10 are fixedly connected with two
The top of slide bar 22 in the medial surface of individual vertical rod 1, the first retractor device 2 is provided with folding device 3, and folding device 3 includes bearing block
31, bearing block 31 provides support platform for bearing, and the top of two slide bars 22 is arranged with bearing block 31, the upper end of bearing block 31
Bearing 32 is equipped with, the inside of bearing 32 is equipped with rotating shaft 33, and the surface of rotating shaft 33 is provided with contiguous block 34, plays connection support
Effect, the two ends of rotating shaft 33 are arranged with adjustment disk 35, provide support for top device, the lateral surface of adjustment disk 35 is symmetrically set
Have and regulating bolt 37 is provided with adjustment hole 36, the hole of adjustment hole 36, tightness of the regulation and control adjusting screw rod 37 in adjustment hole 36,
Adjustment disk 35 and rotating shaft 33 and the fixation of bearing block 31 are realized, and then realizes the regulation of folding angles, the bottom of regulating bolt 37
It is connected through a screw thread with the flank threads hole of bearing block 31, the external screw thread of regulating bolt 37 passes through spiral shell with the internal thread of adjustment hole 36
Line is connected, and the lower end of the contiguous block 34 in folding device 3 is provided with fixed vertical ladder 4, and two pillar upper surfaces of fixed vertical ladder 4 are symmetrical
Provided with the second retractor device 5, the second retractor device 5 includes chute 51, and chute 51 is that sliding block 52 provides slip place, chute 51
In the sliding block 52 that is slidably connected in two pillar upper surfaces of fixed vertical ladder 4, the groove of chute 51, two pillars of fixed vertical ladder 4
Outer surface be arranged with tapped through hole 53, the hole of tapped through hole 53 and be equipped with rotary screw 54, elastic rotary screw
54 tapped through hole 53 shrinkage degree, and then fasten or release rotary screw 54 and sliding block 52 flank threads hole connection,
So as to realize the holding to adjustment state, the external screw thread of rotary screw 54 is connected with the flank threads hole of sliding block 52 by screw thread
Connect, the upper end of the sliding block 52 on the second retractor device 5 is fixedly connected with two pillar lower surfaces for sliding vertical ladder 6, slide vertical ladder 6
Two pillar tops be arranged with inner thread sleeve 7, the placement for hook 8 is provided and is equipped with place, the cylinder of inner thread sleeve 7
Hook 8, is easy to device to hang stress in itself, ensures the security used, lower beam external screw thread and the inner thread sleeve 7 of hook 8
Internal thread is connected through a screw thread in cylinder, and the bottom of vertical rod 1 is equipped with round support base 9 there is provided bottom support, and lifting uses safety
Property.
When in use：By device band to region is used, the connection of adjusting knob 26 and fixing hole 25 is unclamped, vertical rod 1 is adjusted
And top device and slide bar 22 and the equivalent telescopic level of top device, after regulation is finished, adjusting knob 26 is tightened, section spiral shell is unclamped
Connection of the bar 37 in adjustment hole 36, the fixation vertical ladder 4 of rotating shaft 33 realizes the folding of device in itself, after the completion of folding, leads to
The connection for tightening adjusting screw rod 37 and the flank threads hole of bearing block 31 is crossed, realizes that adjustment disk 35 and rotating shaft 33 are fixed, and then is realized
The regulation of folding angles, elastic rotary screw 54 tapped through hole 53 shrinkage degree, and then fasten or release rotary screw 54
With the connection in the flank threads hole of sliding block 52, the telescopic level for sliding vertical ladder 6 and fixed vertical ladder 4 is adjusted so as to realize, will be hung
On the suspension strut bar of hook 8, the bottom support ground of round support base 9, after finishing, each device recovers former state.
The present invention is carried and easy to use, is hung by hook 8, the bottom support of round support base 9, realizes device
Fixed and support safety itself is reliable, and the use to user brings great convenience, and can be led to according to use demand
Cross slip on T-shaped groove 21 of slide bar 22 in the first retractor device 2, by folding device 3 in rotating shaft 33 in bearing 32
Rotation, by being slidably connected in chute 51 of sliding block 52 in the second retractor device 5, realize the flexible of ladder and fold, contracting
Small floor space, improves service efficiency.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of folding extension ladder, including vertical rod（1）, the first retractor device（2）, folding device（3）With the second flexible dress
Put（5）, it is characterised in that：The vertical rod（1）Symmetrical first retractor device of medial surface（2）, the vertical rod（1）Medial surface before
End is arranged with ladder cross bar（10）, ladder cross bar（10）Two ends be fixedly connected with two vertical rods（1）Medial surface, it is described
First retractor device（2）In slide bar（22）Top is provided with folding device（3）, the folding device（3）On contiguous block（34）
Lower end be provided with fixed vertical ladder（4）, the fixed vertical ladder（4）Two pillar upper surfaces be arranged with the second retractor device（5）,
Second retractor device（5）On sliding block（52）Upper end be fixedly connected with slip vertical ladder（6）Two pillar lower surfaces, institute
State slip vertical ladder（6）Two pillar tops be arranged with inner thread sleeve（7）, the inner thread sleeve（7）Cylinder in be equipped with
Hook（8）, hook（8）Lower beam external screw thread and inner thread sleeve（7）Cylinder in internal thread be connected through a screw thread, the vertical rod
（1）Bottom be equipped with round support base（9）.
2. a kind of folding extension ladder according to claim 1, it is characterised in that：First retractor device（2）Bag
Include T-shaped groove（21）, T-shaped groove（21）It is respectively positioned on two vertical rods（1）Medial surface, the T-shaped groove（21）Groove in slide
Dynamic connection slide bar（22）, slide bar（22）Medial surface be equipped with stripe shape projection（23）, stripe shape projection（23）Medial surface fix
Connect treadle（24）Two ends, the slide bar（22）Lateral surface be arranged with fixing hole（25）, the vertical rod（1）Outside
Face is equipped with adjusting knob（26）, the adjusting knob（26）Bottom external screw thread and fixing hole（25）Hole in internal thread pass through
Threaded connection, adjusting knob（26）With vertical rod（1）Junction be equipped with screwed hole.
3. a kind of folding extension ladder according to claim 1, it is characterised in that：The folding device（3）Including axle
Bearing（31）, two slide bars（22）Top be arranged with bearing block（31）, bearing block（31）Upper end be equipped with bearing（32）,
The bearing（32）Inside be equipped with rotating shaft（33）, the rotating shaft（33）Surface be provided with contiguous block（34）, the rotating shaft
（33）Two ends be arranged with adjustment disk（35）, the adjustment disk（35）Lateral surface be arranged with adjustment hole（36）, it is described
Adjustment hole（36）Hole in be provided with regulating bolt（37）, regulating bolt（37）Bottom and bearing block（31）Flank threads hole lead to
Cross threaded connection, regulating bolt（37）External screw thread and adjustment hole（36）Internal thread be connected through a screw thread.
4. a kind of folding extension ladder according to claim 1, it is characterised in that：Second retractor device（5）Bag
Include chute（51）, chute（51）Positioned at fixed vertical ladder（4）Two pillar upper surfaces, the chute（51）Groove in slide connect
Connect sliding block（52）, the fixed vertical ladder（4）The outer surfaces of two pillars be arranged with tapped through hole（53）, the screw thread
Through hole（53）Hole in be equipped with rotary screw（54）, the rotary screw（54）External screw thread and sliding block（52）Flank threads
Kong Jun is connected through a screw thread.
5. a kind of folding extension ladder according to claim 2, it is characterised in that：The stripe shape projection（23）Height
More than vertical rod（1）Medial surface away from slide bar（22）The height of medial surface, the stripe shape projection（23）Length and it is wide be respectively less than it is T-shaped recessed
Groove（21）T-shaped mouth length and width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710589429.2A CN107237598A (en) | 2017-07-19 | 2017-07-19 | A kind of folding extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710589429.2A CN107237598A (en) | 2017-07-19 | 2017-07-19 | A kind of folding extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107237598A true CN107237598A (en) | 2017-10-10 |
Family
ID=59991890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710589429.2A Pending CN107237598A (en) | 2017-07-19 | 2017-07-19 | A kind of folding extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237598A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184543A (en) * | 2018-10-18 | 2019-01-11 | 国网山东省电力公司烟台供电公司 | A kind of pruning trees dedicated extension ladder |
| CN110374490A (en) * | 2019-07-29 | 2019-10-25 | 浦江概念五金科技有限公司 | A kind of folded ladder |
| CN110388040A (en) * | 2019-07-06 | 2019-10-29 | 北京世纪金鳄建筑装饰有限公司 | A kind of mobile steel builder's jack device |
| CN111963045A (en) * | 2020-08-26 | 2020-11-20 | 笪艺 | Portable full-telescopic single ladder |
| USD966556S1 (en) | 2019-12-13 | 2022-10-11 | Murphy Ladder Llc | Ladder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201934004U (en) * | 2010-12-20 | 2011-08-17 | 新疆金风科技股份有限公司 | Suspended telescopic ladder |
| CN105003189A (en) * | 2015-07-23 | 2015-10-28 | 国网山东蓬莱市供电公司 | Multifunctional operation ladder |
| CN205605094U (en) * | 2016-04-21 | 2016-09-28 | 陈乙芳 | Scalable folding safe electric power ladder |
| CN206190196U (en) * | 2016-11-13 | 2017-05-24 | 重庆交通职业学院 | Electric power retractable closes ladder |
| CN207063896U (en) * | 2017-07-19 | 2018-03-02 | 温州奇思科技有限公司 | A kind of folding extension ladder |
-
2017
- 2017-07-19 CN CN201710589429.2A patent/CN107237598A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201934004U (en) * | 2010-12-20 | 2011-08-17 | 新疆金风科技股份有限公司 | Suspended telescopic ladder |
| CN105003189A (en) * | 2015-07-23 | 2015-10-28 | 国网山东蓬莱市供电公司 | Multifunctional operation ladder |
| CN205605094U (en) * | 2016-04-21 | 2016-09-28 | 陈乙芳 | Scalable folding safe electric power ladder |
| CN206190196U (en) * | 2016-11-13 | 2017-05-24 | 重庆交通职业学院 | Electric power retractable closes ladder |
| CN207063896U (en) * | 2017-07-19 | 2018-03-02 | 温州奇思科技有限公司 | A kind of folding extension ladder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184543A (en) * | 2018-10-18 | 2019-01-11 | 国网山东省电力公司烟台供电公司 | A kind of pruning trees dedicated extension ladder |
| CN110388040A (en) * | 2019-07-06 | 2019-10-29 | 北京世纪金鳄建筑装饰有限公司 | A kind of mobile steel builder's jack device |
| CN110374490A (en) * | 2019-07-29 | 2019-10-25 | 浦江概念五金科技有限公司 | A kind of folded ladder |
| CN110374490B (en) * | 2019-07-29 | 2020-06-09 | 浦江概念五金科技有限公司 | Folding ladder |
| USD966556S1 (en) | 2019-12-13 | 2022-10-11 | Murphy Ladder Llc | Ladder |
| CN111963045A (en) * | 2020-08-26 | 2020-11-20 | 笪艺 | Portable full-telescopic single ladder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |
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| RJ01 | Rejection of invention patent application after publication |