CN207063896U - A kind of folding extension ladder - Google Patents
A kind of folding extension ladder Download PDFInfo
- Publication number
- CN207063896U CN207063896U CN201720875508.5U CN201720875508U CN207063896U CN 207063896 U CN207063896 U CN 207063896U CN 201720875508 U CN201720875508 U CN 201720875508U CN 207063896 U CN207063896 U CN 207063896U
- 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.)
- Expired - Fee Related
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Abstract
The utility model 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 both 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 space,Improve service efficiency.
Description
Technical field
Ladder equipment technical field is the utility model is related to, specially a kind of folding extension ladder.
Background technology
Ladder, daily life toolses, side doing by two root long thick bar, scansorial cross bar is crossed in centre, for climbing,
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, space is larger, and fixed and support safety deficiency, 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 can solve the problem that this
Realizing for the folding extension ladder of class problem is imperative.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of folding extension ladder, is taken
Band and easy to use, fixed and support safety is reliable, and the use to user brings great convenience, and passes through the
One retractor device, folding device and the second retractor device, realize the flexible of ladder and fold, reduce space, improve
Service efficiency, effectively can solve the problems, such as in background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of folding extension ladder, including it is vertical
Bar, the first retractor device, folding device and the second retractor device, symmetrical first retractor device of medial surface of the vertical rod are described
The medial surface front end of vertical rod is arranged with ladder cross bar, and the both 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, and the lower end of the contiguous block in the folding device, which is provided with, to be fixed
Vertical ladder, two pillar upper surfaces of the fixed vertical ladder are arranged with the second retractor device, the cunning on second retractor device
The upper end of block is fixedly connected with two pillar lower surfaces for sliding vertical ladder, and the two pillar tops for sliding vertical ladder are arranged with interior
Screw shell, is equipped with hook in the cylinder of the inner thread sleeve, in the lower beam external screw thread of hook and the cylinder of inner thread sleeve in
Threaded connection is threaded through, the bottom of the vertical rod is equipped with round support base.
As a kind of optimal technical scheme of the present utility model, first retractor device includes T-shaped groove, T-shaped groove
The medial surface of two vertical rods is respectively positioned on, be slidably connected slide bar in the groove of the T-shaped groove, and the medial surface of slide bar is equipped with stripe shape
Projection, the medial surface of stripe shape projection are fixedly connected with the both ends of treadle, and the lateral surface of the slide bar is arranged with fixing hole, institute
The lateral surface for stating vertical rod is equipped with adjusting knob, and internal thread passes through in the bottom external screw thread of the adjusting knob and the hole of fixing hole
The junction of threaded connection, adjusting knob and vertical rod is equipped with screwed hole.
As a kind of optimal technical scheme of the present utility model, the folding device includes bearing block, the top of two slide bars
End is arranged with bearing block, and the upper end of bearing block is equipped with bearing, and the inside of the bearing is equipped with rotating shaft, the table of the rotating shaft
Face is provided with contiguous block, and the both ends of the rotating shaft are arranged with adjustment disk, and the lateral surface of the adjustment disk is arranged with adjustment hole,
Regulating bolt is provided with the hole of the adjustment hole, the bottom of regulating bolt and the flank threads hole of bearing block are connected through a screw thread,
The external screw thread of regulating bolt and the internal thread of adjustment hole are connected through a screw thread.
As a kind of optimal technical scheme of the present utility model, second retractor device includes chute, and chute is positioned at solid
Determine two pillar upper surfaces of vertical ladder, be slidably connected sliding block in the groove of the chute, two pillars of the fixed vertical ladder
Outer surface is arranged with tapped through hole, is equipped with rotary screw in the hole of the tapped through hole, the rotary screw it is outer
The flank threads hole of screw thread and sliding block is connected through a screw thread.
As a kind of optimal technical scheme of the present utility model, the height of the stripe shape projection be more than the medial surface of vertical rod away from
The length and width of the height of slide bar 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 utility model are：This folding extension ladder, carry and using simple
It is convenient, hung by linking up with, round support base bottom support, fixed and support safety is reliable in itself for realization device, to user
Use bring great convenience, and can be according to use demand, by slide bar in the first retractor device in T-shaped groove
Slide, the rotation by rotating shaft in folding device in bearing, connected by slip of the sliding block in the second retractor device in chute
Connect, realize the flexible of ladder and fold, reduce space, improve service efficiency.
Brief description of the drawings
Fig. 1 is the utility model structure front schematic view；
Fig. 2 is the utility model texture edge schematic top plan view；
Fig. 3 is the utility model structured rear surface schematic top plan view；
Fig. 4 is the floor map that is slidably connected that the utility model structure 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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model 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 work in place
With the equivalent of the realization device of the first retractor device 2 stretches, and the realization device of folding device 3 turns folding, the second retractor device 5
Further realization device it is flexible, ladder floor space is smaller, is easy to carry, and does not influence security and use, vertical rod 1 it is interior
Symmetrical first retractor device 2 in side, the first retractor device 2 include T-shaped groove 21, and T-shaped groove 21 provides for the slip of slide bar 22
Place, T-shaped groove 21 are respectively positioned on the medial surface of two vertical rods 1, and be slidably connected slide bar 22 in the groove of T-shaped groove 21, slide bar 22
Medial surface be equipped with stripe shape projection 23, stripe shape projection 23 is that treadle 24 provides support, and the height of stripe shape projection 23 is more than vertical rod 1
Height of the medial surface away from the medial surface of slide bar 22, the length of stripe shape projection 23 and it is wide be respectively less than T-shaped groove 21 T-shaped mouth length and
Width, the medial surface of stripe shape projection 23 are fixedly connected with the both ends of treadle 24, and treadle 24 is easy to user to climb, the outside of slide bar 22
Face is arranged with fixing hole 25, and fixing hole 25 is easy to adjusting knob 26 to carry out the regulation of suitable telescopic level, the outside of vertical rod 1
Face is equipped with adjusting knob 26, and adjusting knob 26 adjusts the telescopic level of ladder, the bottom external screw thread of adjusting knob 26 and fixation
Internal thread is connected through a screw thread in the hole in hole 25, and the junction of adjusting knob 26 and vertical rod 1 is equipped with screwed hole, vertical rod 1 it is interior
Side front end is arranged with ladder cross bar 10, and ladder cross bar 10 is easy to user to climb, and the both ends of ladder cross bar 10 are fixed to be connected
It is connected on the medial surface of two vertical rods 1, the top of slide bar 22 in the first retractor device 2 is provided with folding device 3, and folding device 3 includes
Bearing block 31, bearing block 31 provide support platform for bearing, and the top of two slide bars 22 is arranged with bearing block 31, bearing block 31
Upper end be equipped with bearing 32, 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
The effect of support, the both ends of rotating shaft 33 are arranged with adjustment disk 35, provide support for top device, the lateral surface of adjustment disk 35 is equal
Adjustment hole 36 is arranged with, regulating bolt 37, pine of the regulation and control adjusting screw rod 37 in adjustment hole 36 are provided with the hole of adjustment hole 36
Tight degree, adjustment disk 35 and rotating shaft 33 and the fixation of bearing block 31 are realized, and then realize the regulation of folding angles, regulating bolt 37
Bottom and the flank threads hole of bearing block 31 be connected through a screw thread, the external screw thread of regulating bolt 37 and the internal thread of adjustment hole 36
It is connected through a screw thread, the lower end of the contiguous block 34 in folding device 3 is provided with fixed vertical ladder 4, two pillar upper tables of fixed vertical ladder 4
Face is arranged with the second retractor device 5, and the second retractor device 5 includes chute 51, and chute 51 is that sliding block 52 provides slip place, sliding
Groove 51 is located at two pillar upper surfaces of fixed vertical ladder 4, and be slidably connected sliding block 52 in the groove of chute 51, and the two of fixed vertical ladder 4
The outer surface of individual pillar is arranged with tapped through hole 53, and rotary screw 54, elastic rotation are equipped with the hole of tapped through hole 53
Turn shrinkage degree of the screw rod 54 in tapped through hole 53, and then fasten or discharge rotary screw 54 and the flank threads hole of sliding block 52
Connection, so as to realize the holding to adjustment state, the external screw thread of rotary screw 54 passes through spiral shell with the flank threads hole of sliding block 52
Line connects, and 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, slides
Two pillar tops of vertical ladder 6 are arranged with inner thread sleeve 7, and the placement for hook 8 provides place, in the cylinder of inner thread sleeve 7
Hook 8 is equipped with, is easy to device to hang stress in itself, ensures the security used, links up with 8 lower beam external screw thread and inner screw sheath
Internal thread is connected through a screw thread in the cylinder of cylinder 7, and the bottom of vertical rod 1 is equipped with round support base 9, there is provided bottom supports, and lifting makes
Use security.
When in use：By device band to using area, the connection of adjusting knob 26 and fixing hole 25 is unclamped, adjusts vertical rod 1
And top device and slide bar 22 and the equivalent telescopic level of top device, after regulation, adjusting knob 26 is tightened, unclamps section spiral shell
Connection of the bar 37 in adjustment hole 36, the fixation vertical ladder 4 of rotating shaft 33, the folding of realization device in itself, after the completion of folding, lead 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 use, each device recovers former state.
The utility model carry and it is easy to use, pass through hook 8 suspension, round support base 9 bottom support, realize
Device is fixed in itself and support safety is reliable, and the use to user brings great convenience, and can be according to using need
Ask, by slip of the slide bar 22 in the first retractor device 2 on T-shaped groove 21, by folding device 3 in rotating shaft 33 in bearing
Rotation in 32, by being slidably connected in chute 51 of sliding block 52 in the second retractor device 5, realize the flexible of ladder and roll over
It is folded, space is reduced, improves service efficiency.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
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）Both 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）.
A kind of 2. 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 it is sliding
Dynamic connection slide bar（22）, slide bar（22）Medial surface be equipped with stripe shape projection（23）, stripe shape projection（23）Medial surface it is fixed
Connect treadle（24）Both 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.
A kind of 3. 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）Both 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.
A kind of 4. 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.
A kind of 5. 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 |
|---|---|---|---|
| CN201720875508.5U CN207063896U (en) | 2017-07-19 | 2017-07-19 | A kind of folding extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875508.5U CN207063896U (en) | 2017-07-19 | 2017-07-19 | A kind of folding extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207063896U true CN207063896U (en) | 2018-03-02 |
Family
ID=61511961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875508.5U Expired - Fee Related CN207063896U (en) | 2017-07-19 | 2017-07-19 | A kind of folding extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207063896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237598A (en) * | 2017-07-19 | 2017-10-10 | 温州奇思科技有限公司 | A kind of folding extension ladder |
| CN111706246A (en) * | 2020-06-24 | 2020-09-25 | 张伟 | Telescopic ladder overturning equipment |
| CN113863841A (en) * | 2021-11-03 | 2021-12-31 | 国网山东省电力公司临沂供电公司 | Adjustable insulation flat ladder |
-
2017
- 2017-07-19 CN CN201720875508.5U patent/CN207063896U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237598A (en) * | 2017-07-19 | 2017-10-10 | 温州奇思科技有限公司 | A kind of folding extension ladder |
| CN111706246A (en) * | 2020-06-24 | 2020-09-25 | 张伟 | Telescopic ladder overturning equipment |
| CN113863841A (en) * | 2021-11-03 | 2021-12-31 | 国网山东省电力公司临沂供电公司 | Adjustable insulation flat ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180302 Termination date: 20200719 |