CN207228991U - Folded ladder - Google Patents
Folded ladder Download PDFInfo
- Publication number
- CN207228991U CN207228991U CN201721093552.7U CN201721093552U CN207228991U CN 207228991 U CN207228991 U CN 207228991U CN 201721093552 U CN201721093552 U CN 201721093552U CN 207228991 U CN207228991 U CN 207228991U
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- foot
- driven lever
- column
- transfer hole
- extension board
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Abstract
The utility model is suitable for ladder technical field, a kind of folded ladder is provided, which includes the second column for being arranged in parallel of the first column and first column and both ends are connected between first column and second column and along the spaced multiple treadles of length direction of first column and second column.The utility model is provided by being respectively provided with the first transfer hole and the second transfer hole on the first foot-driven lever and the second foot-driven lever, and first rotating shaft is worn in the first transfer hole and the second transfer hole, so that can mutually it be rotated between the first foot-driven lever and the second foot-driven lever, and realize the folding of ladder, it is this directly to be punched on the first foot-driven lever and the second foot-driven lever, realize the mode of rotation connection, compared to using hinge connection, it can bear larger power, connection reliability is higher, the accident that can effectively avoid junction from tearing and cause personnel to fall.
Description
Technical field
The utility model belongs to ladder technical field, more particularly to a kind of folded ladder.
Background technology
Ladder is widely used in all trades and professions, can help operating personnel from lower climbing to high-rise working.Current ladder
Son generally comprises the multiple treadles of two parallel columns and interval between two root posts, in order to enable ladder carrying side
Just and easy to storage, in existing, there are some Collapsible ladders, and treadle mainly is divided into two sections, this two section passes through hinge
Connection, so this two section can relatively rotate, and realize the folding of ladder.When needing to use ladder, ladder is unfolded, hinge with
Opened with the expansion action of ladder, when trampling bar with foot, hinge will bear huge pulling force, to keep treadle not curved
Song, it is this using add-on parts such as hinges come by the way of realizing ladder collapses function, it is easy to due to bearing excessive pressure, cause
Connection tear between hinge and treadle, causes personnel's fallen accident.
Utility model content
The purpose of this utility model is to provide a kind of folded ladder, it is intended to solves additional using hinge etc. in the prior art
Part realizes ladder collapses function, the connection tear being easy to cause between hinge and treadle, causes the skill of personnel fallen accident
Art problem.
The utility model is realized in this way a kind of folded ladder, including the first column, parallel with first column set
The second column put and both ends are connected between first column and second column and along first columns
With the spaced multiple treadles of length direction of second column, each treadle includes hinged with first column
First foot-driven lever and one end are hinged with second column and the other end and the crus secunda of first foot-driven lever rotation connection
Treadle, first foot-driven lever include the first pressure-bearing rod stepped on for foot and are arranged at first pressure-bearing rod close to described second
First transfer panel of foot-driven lever one end, first pressure-bearing rod include the first upper surface stepped on for foot and first upper surface
It is disposed adjacent back to the first lower surface of setting and with first upper surface and towards the of the second foot-driven lever side
End face, first transfer panel are located at the first end face and first lower surface intersection, first transfer panel with
First pressure-bearing rod is integrally formed, and first transfer panel is equipped with central axis and first foot-driven lever and described the
The first vertical transfer hole of two foot-driven lever length directions, second foot-driven lever include the second pressure-bearing rod stepped on for foot and set
Second transfer panel of second pressure-bearing rod close to described first foot-driven lever one end is placed in, second pressure-bearing rod includes stepping on for foot
The second upper surface, be disposed adjacent with second upper surface back to the second lower surface of setting and with second upper surface
And it is located at towards the second end face of the first foot-driven lever side, second transfer panel under the second end face and described second
Surface intersection, second transfer panel are integrally formed with second pressure-bearing rod, and second transfer panel is equipped with central shaft
Line second transfer hole vertical with first foot-driven lever and the second foot-driven lever length direction, first transfer hole
It is coaxially disposed with second transfer hole, the folded ladder, which further includes, is inserted in first transfer hole and second switching
First rotating shaft in hole.
Further, first foot-driven lever includes a pair of spaced first turntable, and second turntable is set
It is placed between a pair of first turntable.
Further, first foot-driven lever is equipped with the first bar shaped square groove set along its length.
Further, second foot-driven lever is equipped with the second bar shaped square groove set along its length.
Further, first column includes the first bottom plate and by lateral second column of first bottom plate two
The first extension board and the second extension board of direction extension, first foot-driven lever are rotationally connected with first extension board and described
Between second extension board, the distance between first extension board and second extension board are more than the width of first foot-driven lever
Degree.
Further, first extension board is equipped with the 3rd transfer hole, and second extension board is equipped with and described the
The 4th opposite transfer hole of three transfer hole, first foot-driven lever are equipped with and described first turn close to one end of first column
Connect hole and the 5th transfer hole that second transfer hole is coaxially disposed, the folded ladder, which further includes, is arranged in described 3rd turn
Connect second shaft in hole, the 4th transfer hole and the 5th transfer hole.
Further, first foot-driven lever towards the end face of first column close to the side of first upper surface
Arc surface is avoided equipped with first.
Further, second column includes the second bottom plate and by lateral first column of second bottom plate two
The 3rd extension board and the 4th extension board of direction extension, second foot-driven lever are rotationally connected with the 3rd extension board and described
Between 4th extension board, the distance between the 3rd extension board and the 4th extension board are more than the width of second foot-driven lever
Degree.
Further, the 3rd extension board is equipped with the 6th transfer hole, and the 4th extension board is equipped with and described the
The 7th opposite transfer hole of six transfer hole, second foot-driven lever are equipped with and described 6th turn close to one end of second column
Connect hole and the 8th transfer hole that the 7th transfer hole is coaxially disposed, the folded ladder, which further includes, is arranged in described 6th turn
Connect the 3rd shaft in hole, the 7th transfer hole and the 8th transfer hole.
Further, second foot-driven lever towards the end face of second column close to the side of second upper surface
Arc surface is avoided equipped with second.
The utility model has the technical effect that relative to the prior art：The utility model provide by the first foot-driven lever and
The first transfer hole and the second transfer hole are respectively provided with second foot-driven lever, and is worn in the first transfer hole and the second transfer hole
If first rotating shaft so that it can mutually be rotated between the first foot-driven lever and the second foot-driven lever, and realize the folding of ladder, this
Kind directly punched on the first foot-driven lever and the second foot-driven lever, realize the mode of rotation connection, compared to using hinge connection, its
Larger power can be born, connection reliability is higher, the accident that can effectively avoid junction from tearing and cause personnel to fall.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, below will to the utility model embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings described below is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram after the folded ladder that the utility model embodiment provides is opened；
Fig. 2 is schematic diagram when the folded ladder that the utility model embodiment provides folds；
Fig. 3 is the structure diagram after the folded ladder that the utility model embodiment provides folds；
Fig. 4 is the partial enlarged view of Fig. 2；
Fig. 5 is the exploded view of Fig. 4；
Fig. 6 is the exploded view of Fig. 4
Description of reference numerals：
| 10 | First column | 221 | Second upper surface |
| 11 | First bottom plate | 222 | Second lower surface |
| 12 | First extension board | 223 | Second end face |
| 121 | 3rd transfer hole | 224 | Second pressure-bearing rod |
| 13 | Second extension board | 225 | Second transfer panel |
| 131 | 4th transfer hole | 226 | Second transfer hole |
| 20 | Treadle | 227 | Second bar shaped square groove |
| 21 | First foot-driven lever | 228 | 8th transfer hole |
| 211 | First upper surface | 229 | Second avoids arc surface |
| 212 | First lower surface | 30 | First rotating shaft |
| 213 | First end face | 40 | Second shaft |
| 214 | First pressure-bearing rod | 50 | 3rd shaft |
| 215 | First transfer panel | 60 | Second column |
| 216 | First transfer hole | 61 | Second bottom plate |
| 217 | First bar shaped square groove | 62 | 3rd extension board |
| 218 | 5th transfer hole | 621 | 6th transfer hole |
| 219 | First avoids arc surface | 63 | 4th extension board |
| 22 | Second foot-driven lever | 631 | 7th transfer hole |
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
, it is necessary to which explanation, when element, to be referred to as " being fixed on " or " being arranged at " another in the description of the utility model
A element, it directly on another element or can be connected on another element.When an element is known as " even
It is connected to " another element, it can be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
For the ordinary skill in the art, above-mentioned term can be understood in the utility model as the case may be
In concrete meaning.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.
Refer to Fig. 1 to Fig. 4, the folded ladder that the utility model embodiment provides includes the first column 10, with described the
The second column 60 and both ends that one column 10 is arranged in parallel are connected to first column 10 and second column 60
Between and along the spaced multiple treadles 20 of length direction of first column 10 and second column 60, it is each described to step on
It is hinged and another with second column 60 that bar 20 includes first foot-driven lever 21 hinged with first column 10 and one end
End and the second foot-driven lever 22 of first foot-driven lever 21 rotation connection, first foot-driven lever 21 for foot is stepped on first including holding
Compression bar 214 and it is arranged at first transfer panel 215 of first pressure-bearing rod 214 close to described second foot-driven lever, 22 one end, institute
State the first upper surface 211 that the first pressure-bearing rod 214 includes stepping on for foot, with first upper surface 211 back under the first of setting
Surface 212 and it is disposed adjacent with first upper surface 211 and towards the first end face of 22 side of the second foot-driven lever
213, first transfer panel 215 is located at the first end face 213 and 212 intersection of the first lower surface, described first turn
Connect disk 215 to be integrally formed with first pressure-bearing rod 214, first transfer panel 215 is equipped with central axis and described first
Foot-driven lever 21 and vertical the first transfer hole 216 of 22 length direction of the second foot-driven lever, second foot-driven lever 22 wrap
Include the second pressure-bearing rod 224 stepped on for foot and be arranged at second pressure-bearing rod 224 close to described first foot-driven lever, 21 one end
Second transfer panel 225, second pressure-bearing rod 224 include the second upper surface 221 stepped on for foot and second upper surface 221
It is disposed adjacent back to the second lower surface 222 of setting and with second upper surface 221 and towards first foot-driven lever 21
The second end face 223 of side, second transfer panel 225 are located at the second end face 223 and intersect with second lower surface 222
Place, second transfer panel 225 are integrally formed with second pressure-bearing rod 224, and second transfer panel 225 is equipped with central shaft
Line second transfer hole 226 vertical with first foot-driven lever 21 and 22 length direction of the second foot-driven lever, described
One transfer hole 216 and second transfer hole 226 are coaxially disposed, and the folded ladder, which further includes, is inserted in first transfer hole
216 and second transfer hole 226 in first rotating shaft 30.
Fig. 1 to Fig. 4 is referred to, the utility model is provided by being set respectively on the first foot-driven lever 21 and the second foot-driven lever 22
The first transfer hole 216 and the second transfer hole 226 have been put, and has been worn in the first transfer hole 216 and the second transfer hole 226
One shaft 30 so that it can mutually be rotated between the first foot-driven lever 21 and the second foot-driven lever 22, and realize the folding of ladder, this
Kind is directly punched on the first foot-driven lever 21 and the second foot-driven lever 22, realizes the mode of rotation connection, is connected compared to using hinge
Connect, it can bear larger power, and connection reliability is higher, can effectively avoid junction from tearing and cause what personnel fell
Accident.Specifically, when needing to open on ladder, the first column 10 and the second column 60 can be pulled so that the first column 10
The distance between second column 60 increases, and at this time, the angle between the first foot-driven lever 21 and the second foot-driven lever 22 can also increase,
Until first end face 213 and second end face 223 are close to, that is, complete the opening of ladder, it is possible to understand that ground, bar 20 is trampled in foot
When, first end face 213 and second end face 223 will bear larger extruding force, and the first transfer panel 215 and the second transfer panel 225
Larger pulling force will be born, but due to the first transfer panel 215 and the second transfer panel 225 and the first pressure-bearing rod 214 and the second pressure-bearing
Bar 224 is integrally formed, and it is stronger that this connection mode allows it to bear the ability of pulling force, therefore, can effectively keep away
When exempting from foot and trampling bar 20, the junction fracture of the first foot-driven lever 21 and the second foot-driven lever 22 and cause personnel to fall.
Fig. 1 to Fig. 4 is referred to, further, first foot-driven lever 21 includes a pair of spaced described first turn
Disk, second turntable are arranged between a pair of first turntable.This mode coordinated of intersecting can be ridden to avoid first
The axial direction of 21 and second foot-driven lever 22 of bar along first rotating shaft 30 occurs dislocation and is disconnected relation.
Fig. 5 to Fig. 6 is referred to, further, first foot-driven lever 21 is equipped with first set along its length
Bar shaped square groove 217.Second foot-driven lever 22 is equipped with the second bar shaped square groove 227 set along its length.By
First bar shaped square groove 217 and the second bar shaped square groove 227 are set respectively on one foot-driven lever 21 and the second foot-driven lever 22, can ensured
On the premise of treadle 20 can bear larger pressure, mitigate the weight of ladder as far as possible, be convenient for carrying.
Fig. 4 is referred to, further, first column 10 includes the first bottom plate 11 and by 11 liang of first bottom plate
The first extension board 12 and the second extension board 13 of lateral second column, the 60 direction extension, first foot-driven lever 21, which rotates, to be connected
It is connected between first extension board 12 and second extension board 13, first extension board 12 and second extension board 13
The distance between be more than first foot-driven lever 21 width.This structure can cause ladder after folding, the first foot-driven lever 21
It can be contained between the first extension board 12 and the second extension board 13 so that the ladder after folding is compacter, is convenient for carrying.
Fig. 5 to Fig. 6 is referred to, further, first extension board 12 is equipped with the 3rd transfer hole 121, and described second
Extension board 13 is equipped with fourth transfer hole 131 opposite with the 3rd transfer hole 121, and first foot-driven lever 21 is close to described
One end of first column 10 is equipped with the 5th turn be coaxially disposed with first transfer hole 216 and second transfer hole 226
Hole 218 is connect, the folded ladder, which further includes, is arranged in the 3rd transfer hole 121, the 4th transfer hole 131 and described
Second shaft 40 of five transfer hole 218.First foot-driven lever 21 is towards the end face of first column 10 close to described first
The side of upper surface 211 is equipped with first and avoids arc surface 219.This structure can realize the first foot-driven lever 21 and the first column 10 it
Between rotation connection, additionally by set first avoid arc surface 219 can be to avoid the first foot-driven lever 21 around the second shaft 40
During rotating, interfered between the first column 10, hinder ladder collapses and the action opened.
Fig. 4 is referred to, further, second column 60 includes the second bottom plate 61 and by 61 liang of second bottom plate
The 3rd extension board 62 and the 4th extension board 63 of lateral first column, the 10 direction extension, second foot-driven lever 22, which rotates, to be connected
It is connected between the 3rd extension board 62 and the 4th extension board 63, the 3rd extension board 62 and the 4th extension board 63
The distance between be more than second foot-driven lever 22 width.This structure can cause ladder after folding, the second foot-driven lever 22
It can be contained between the 3rd extension board 62 and the 4th extension board 63 so that the ladder after folding is compacter, is convenient for carrying.
Fig. 5 to Fig. 6 is referred to, further, the 3rd extension board 62 is equipped with the 6th transfer hole 621, and the described 4th
Extension board 63 is equipped with seventh transfer hole 631 opposite with the 6th transfer hole 621, and second foot-driven lever 22 is close to described
One end of second column 60 is equipped with the eighth-turn being coaxially disposed with the 6th transfer hole 621 and the 7th transfer hole 631
Hole 228 is connect, the folded ladder, which further includes, is arranged in the 6th transfer hole 621, the 7th transfer hole 631 and described
3rd shaft 50 of eight transfer hole 228.Further, the end face of second foot-driven lever 22 towards second column 60 is close
The side of second upper surface 221 is equipped with second and avoids arc surface 229.This structure can realize the second foot-driven lever 22 and second
Rotation connection between column 60, additionally by set second avoid arc surface 229 can be to avoid crus secunda treadle 22 around the
During three shafts 50 are rotating, interfered between the second column 60, hinder ladder collapses and the action opened.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of folded ladder, including the first column, the second column for being arranged in parallel with first column and both ends are distinguished
It is connected between first column and second column and along first column and the length direction of second column
Spaced multiple treadles, it is characterised in that each treadle include first foot-driven lever hinged with first column with
And one end is hinged with second column and the other end and the second foot-driven lever of first foot-driven lever rotation connection, described first
Foot-driven lever includes the first pressure-bearing rod stepped on for foot and is arranged at first pressure-bearing rod close to described second foot-driven lever one end
First transfer panel, the first upper surface that first pressure-bearing rod includes stepping on for foot, with first upper surface back to setting the
A lower surface and it is disposed adjacent with first upper surface and towards the first end face of the second foot-driven lever side, described
One transfer panel is located at the first end face and first lower surface intersection, first transfer panel and first pressure-bearing rod
It is integrally formed, first transfer panel is equipped with central axis and first foot-driven lever and the second foot-driven lever length side
To the first vertical transfer hole, second foot-driven lever includes the second pressure-bearing rod stepped on for foot and is arranged at described second holding
Compression bar close to second transfer panel of described first foot-driven lever one end, the second upper surface that second pressure-bearing rod includes stepping on for foot,
It is disposed adjacent with second upper surface back to the second lower surface of setting and with second upper surface and towards described
The second end face of one foot-driven lever side, second transfer panel are located at the second end face and second lower surface intersection,
Second transfer panel is integrally formed with second pressure-bearing rod, and second transfer panel is equipped with central axis and described first
Foot-driven lever and vertical the second transfer hole of the second foot-driven lever length direction, first transfer hole and second turn described
Connect hole to be coaxially disposed, the folded ladder further includes first turn be inserted in first transfer hole and second transfer hole
Axis.
2. folded ladder as claimed in claim 1, it is characterised in that first foot-driven lever includes a pair of spaced institute
The first turntable is stated, second turntable is arranged between a pair of first turntable.
3. folded ladder as claimed in claim 1, it is characterised in that first foot-driven lever is equipped with and sets along its length
The the first bar shaped square groove put.
4. folded ladder as claimed in claim 1, it is characterised in that second foot-driven lever is equipped with and sets along its length
The the second bar shaped square groove put.
5. the folded ladder as described in claim 1-4 any one, it is characterised in that first column includes the first bottom plate
And the first extension board and the second extension board by the lateral second column direction extension of first bottom plate two, described first
Foot-driven lever is rotationally connected between first extension board and second extension board, and first extension board and described second prolongs
Stretch the width that the distance between plate is more than first foot-driven lever.
6. folded ladder as claimed in claim 5, it is characterised in that first extension board is equipped with the 3rd transfer hole, institute
State the second extension board and be equipped with fourth transfer hole opposite with the 3rd transfer hole, first foot-driven lever is close to described first
One end of column is equipped with the 5th transfer hole being coaxially disposed with first transfer hole and second transfer hole, the folding
Ladder further includes the second shaft for being arranged in the 3rd transfer hole, the 4th transfer hole and the 5th transfer hole.
7. folded ladder as claimed in claim 6, it is characterised in that first foot-driven lever is towards the end of first column
Face is equipped with first close to the side of first upper surface and avoids arc surface.
8. the folded ladder as described in claim 1-4 any one, it is characterised in that second column includes the second bottom plate
And the 3rd extension board and the 4th extension board by the lateral first column direction extension of second bottom plate two, described second
Foot-driven lever is rotationally connected between the 3rd extension board and the 4th extension board, and the 3rd extension board and the described 4th prolongs
Stretch the width that the distance between plate is more than second foot-driven lever.
9. folded ladder as claimed in claim 8, it is characterised in that the 3rd extension board is equipped with the 6th transfer hole, institute
State the 4th extension board and be equipped with seventh transfer hole opposite with the 6th transfer hole, second foot-driven lever is close to described second
One end of column is equipped with the 8th transfer hole being coaxially disposed with the 6th transfer hole and the 7th transfer hole, the folding
Ladder further includes the 3rd shaft for being arranged in the 6th transfer hole, the 7th transfer hole and the 8th transfer hole.
10. folded ladder as claimed in claim 9, it is characterised in that second foot-driven lever is towards second column
End face is equipped with second close to the side of second upper surface and avoids arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093552.7U CN207228991U (en) | 2017-08-29 | 2017-08-29 | Folded ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093552.7U CN207228991U (en) | 2017-08-29 | 2017-08-29 | Folded ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207228991U true CN207228991U (en) | 2018-04-13 |
Family
ID=61859586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721093552.7U Active CN207228991U (en) | 2017-08-29 | 2017-08-29 | Folded ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207228991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI674357B (en) * | 2018-06-07 | 2019-10-11 | 孫守義 | Horizontally extendable ladder |
| CN110485910A (en) * | 2018-05-15 | 2019-11-22 | 孙守义 | The ladder that can be laterally extended |
-
2017
- 2017-08-29 CN CN201721093552.7U patent/CN207228991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485910A (en) * | 2018-05-15 | 2019-11-22 | 孙守义 | The ladder that can be laterally extended |
| TWI674357B (en) * | 2018-06-07 | 2019-10-11 | 孫守義 | Horizontally extendable ladder |
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