CN110080674A - A kind of folding ladder - Google Patents
A kind of folding ladder Download PDFInfo
- Publication number
- CN110080674A CN110080674A CN201910516414.2A CN201910516414A CN110080674A CN 110080674 A CN110080674 A CN 110080674A CN 201910516414 A CN201910516414 A CN 201910516414A CN 110080674 A CN110080674 A CN 110080674A
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- Prior art keywords
- column
- folding ladder
- lockwheel
- pedal
- locking mechanism
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- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- 239000002023 wood Substances 0.000 description 1
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
- E06C1/38—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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
Abstract
This application discloses a kind of folding ladders, comprising: the first column, the second column, the first pedal and first locking mechanism, first column is parallel with second column, and the both ends of first pedal are rotatedly connected with first column and the second column respectively；Wherein, the first locking mechanism can prevent first pedal from rotating relative to first column and the second column when the folding ladder has been unfolded；And the first locking mechanism can also allow relatively described first column of first pedal and the second column to rotate when the folding ladder is folded, so that first column and the second column are mutually drawn close.The folding ladder of the application can fold in use and reduce its shared volume, be readily transported and store.
Description
Technical field
This application involves ladder field, in particular to a kind of folding ladder.
Background technique
Ladder is a kind of climbing tool for being widely used in all trades and professions, and operating personnel can be helped to climb from lower
Operation is carried out to eminence.However, can exist if the occupied volume of ladder is too big and be not easy to move and store inconvenient ask
Topic.
Summary of the invention
One of the embodiment of the present application provides a kind of folding ladder, and the folding ladder is stepped on including the first column, the second column, first
Plate and first locking mechanism, first column is parallel with second column, the both ends of first pedal respectively with
First column and the second column are rotatedly connected；Wherein, the first locking mechanism can be unfolded in the folding ladder
When prevent first pedal from rotating relative to first column and the second column；And the first locking mechanism can also be in institute
Stating allows relatively described first column of first pedal and the second column to rotate when folding ladder is folded, so that institute
It states the first column and the second column is mutually drawn close.
In some embodiments, the first locking mechanism includes oblique fulcrum bar, the first end of the oblique fulcrum bar and described the
The rotation connection of two columns, and its second end can mutually be locked with first column or mutually be separated.
In some embodiments, the first locking mechanism further includes pull rod and lockwheel, and the upper end of the pull rod is set to institute
It states on the first column, and its lower end is connected with the lockwheel, the lockwheel is connected with first column by shaft, and described
Lockwheel is equipped with first connecting portion；The second end of the oblique fulcrum bar is equipped with can match with the first connecting portion second and connects
Socket part, wherein when the pull rod is pulled upwardly and the lockwheel is driven to rotate around the shaft, the first connecting portion
The state mutually separated can be changed by the state mutually locked with second connecting portion.
In some embodiments, the first connecting portion is hook formation, and the second connecting portion is rod-like structure, described
Hook formation can hook be set in the rod-like structure and the lockwheel mutually locked with the oblique fulcrum bar.
In some embodiments, first pedal is equipped with the guide groove extended along its length, the oblique fulcrum bar
Second connecting portion be slidably connected in the guide groove.
In some embodiments, the first resilient return member is equipped at the shaft, be pulled upwardly when the pull rod and
After driving the lockwheel to rotate, the lockwheel can rotation be multiple automatically under the effect of the elastic force of first resilient return member
Position.
In some embodiments, guiding surface is equipped with towards the side of the rod-like structure on the hook formation, wherein
When the second connecting portion is slided in the guide groove towards the first connecting portion, the rod-like structure can be along institute
It states guiding surface sliding and the lockwheel is pushed to rotate, it is described at this time until the rod-like structure is caught in the hook formation
Lockwheel rotates under the elastic force effect of first resilient return member to be resetted, so that the lockwheel is mutually locked with the oblique fulcrum bar
It is fixed.
In some embodiments, the folding ladder further includes multiple second pedals set on the top of first pedal,
The both ends of second pedal are rotatedly connected with first column and the second column respectively, multiple second pedal compartment of terrain
Between first column and the second column.
In some embodiments, accommodating chamber open toward one another, institute are equipped on first column and the second column
First pedal and the second pedal can be accommodated after first column and the second column are mutually drawn close by stating accommodating chamber.
In some embodiments, the lockwheel is equipped with arc groove, and the center of circle of the arc groove is overlapped with the shaft, institute
The lower end for stating pull rod is slidably connected in the arc groove.
In some embodiments, the first locking mechanism further includes vertically extending on first column
Sliding slot and the slide plate in the sliding slot, the slide plate are connected with the upper end of the pull rod, and the slide plate can be along described
Sliding slot slides upward or downward.
In some embodiments, the second resilient return member is equipped between the pull rod and the sliding slot, when the slide plate
After being made the pull rod drive the lockwheel rotation by upward sliding, bullet of the slide plate in second resilient return member
It being capable of automatic slide downward reset under power effect.
In some embodiments, first column and the second column include column body and lower prop, the column body
Lower end and the upper end of the lower prop be rotatablely connected, the second locking machine is equipped at the rotation connection of the column body and lower prop
Structure, the second locking mechanism can prevent the column body and lower prop from relatively rotating in locking.
In some embodiments, the second locking mechanism includes the first mounting plate, the second mounting plate of two panels and compression structure
Part, first mounting plate are set on one in the column body and lower prop, and second mounting plate is set on described
On another in cylinder and lower prop, the second mounting plate described in two panels is clamped in outside first mounting plate；The compression structure
Part can run through first mounting plate and the second mounting plate, and enable to second mounting plate by first mounting plate
It compresses.
In some embodiments, the folding ladder further includes the bottom for being respectively arranged on first column and the second column
Support base.
In some embodiments, the folding ladder further includes on first column and/or second column
Handle.
Detailed description of the invention
The application will further illustrate that these exemplary embodiments will be carried out by attached drawing in a manner of exemplary embodiment
Detailed description.These embodiments are simultaneously unrestricted, and in these embodiments, being identically numbered indicates identical structure, in which:
Fig. 1 is the schematic perspective view of the unfolded state of the folding ladder according to shown in the application some embodiments；
Fig. 2 is the schematic perspective view of the folded state of the folding ladder according to shown in the application some embodiments；
Fig. 3 is the structural schematic diagram of the folding ladder first locking mechanism according to shown in the application some embodiments；
Fig. 4 is the structural schematic diagram of the first locking mechanism of the folding ladder according to shown in the application some embodiments；
Fig. 5 is the detailed structure schematic diagram of the first locking mechanism of the folding ladder according to shown in the application some embodiments；
Fig. 6 is the detailed structure schematic diagram of the first locking mechanism of the folding ladder according to shown in the application some embodiments；
Fig. 7 is the detailed structure schematic diagram of the first locking mechanism of the folding ladder according to shown in the application some embodiments；
Fig. 8 is the detailed structure schematic diagram of the second locking mechanism of the folding ladder according to shown in the application some embodiments；
Fig. 9 is that angle of the folding ladder according to shown in the application some embodiments between column body and lower prop is 180 °
When schematic diagram；
Figure 10 is that angle of the folding ladder according to shown in the application some embodiments between column body and lower prop is 0 °
When schematic diagram.
In figure, 1 is the first column, and 2 be the second column, and 3 be the first pedal；4 be first locking mechanism, and 5 be the second pedal,
6 be second locking mechanism, and 7 be support base, and 8 be handle, and 11 be column body, and 12 be lower prop, and 31 be guide groove, and 41 be tiltedly branch
Bar, 42 be pull rod, and 43 be lockwheel, and 44 be shaft, and 45 be the first resilient return member, and 46 be sliding slot, and 47 be slide plate, and 48 be second
Resilient return member, 61 be the first mounting plate, and 62 be the second mounting plate, and 63 be pressed component, and 411 be first end, and 412 be second
End, 413 be second connecting portion, and 431 be first connecting portion, and 432 be arc groove, and 4311 be guiding surface.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
On the contrary, the application covers any substitution done in the spirit and scope of the application being defined by the claims, repairs
Change, equivalent method and scheme.Further, in order to make the public have a better understanding the application, below to the thin of the application
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
The application can also be understood completely in description.
The invention relates to a kind of folding ladder, which can be unfolded when in use, need to transport and store
When fold.The folding ladder can be adapted for a variety of occasions, carry out for example, the folding ladder can be used for daily life to eminence object
It picks and places, can be used for architectural engineering operation, can be also used for the scenes such as fire-fighting and rescue, the application is without limitation.
Fig. 1 is the schematic perspective view of the unfolded state of the folding ladder according to shown in the application some embodiments, and Fig. 2 is
According to the schematic perspective view of the folded state of folding ladder shown in some embodiments of the application, below with reference to Fig. 1-2 pairs
Folding ladder involved in the embodiment of the present application is described in detail.It is worth noting that, following embodiment is only used to explain this
Application, does not constitute the restriction to the application.
In embodiments herein, as shown in Figs. 1-2, folding ladder may include the first column 1, the second column 2, first
Pedal 3 and first locking mechanism 4, the first column 1 is parallel with the second column 2, and the both ends of the first pedal 3 are vertical with first respectively
Column 1 and the second column 2 are rotatedly connected.Wherein, first locking mechanism 4 can be when folding ladder be unfolded (as shown in Figure 1
When state) prevent 3 opposite first column 1 of the first pedal and the rotation of the second column 2；And first locking mechanism 4 can also fold
Allow 3 opposite first column 1 of the first pedal when ladder is folded (when changing into state shown in Fig. 2 from state shown in FIG. 1)
It rotates with the second column 2, so that the first column 1 is mutually drawn close with the second column 2.It should be noted that art technology
Personnel can carry out specifically to be arranged according to actual needs the quantity of first locking mechanism 4, and quantity can be one, or more
It is a.In addition, those skilled in the art can also come specifically set 3 opposite first column 1 of the first pedal and the according to actual needs
The setting height of two columns 2.In addition, the first pedal 3 is preferably normal to the first column 1 when folding ladder is in unfolded state,
In order to which operating personnel climbs.The material of the folding ladder can choose as steel, wood or aluminium alloy etc., it is preferable that the folding
The material for folding ladder is aluminium alloy.
In some embodiments, first locking mechanism 4 includes oblique fulcrum bar 41, and the first end 411 of oblique fulcrum bar 41 and second stand
Column 2 is rotatablely connected, and its second end 412 can be locked with 1 phase of the first column or mutually be separated.When the folding ladder of the application is unfolded
Afterwards, the second end 412 of oblique fulcrum bar 41 and the first column 1 are locked, to prevent 3 opposite first column 1 and second of the first pedal
Column 2 rotates；When folding ladder is folded up by unfolded state, the second end 412 of oblique fulcrum bar 41 is separated with the first column 1,
So that the first pedal 3 can opposite first column 1 and the second column 2 rotate, while oblique fulcrum bar 41 also can be around it
It is rotated with the rotating joint of the second column 2, therefore the first column 1 and the second column 2 can be drawn close and folding ladder rolled over
It gathers into folds.It should be noted that the oblique fulcrum bar 41 in the present embodiment refers to when folding ladder is in unfolded state, at oblique fulcrum bar 41
In heeling condition (not parallel with the first pedal 3), such setting is so that oblique fulcrum bar 41, the first pedal 3 and the second column 2 can be with
The structure for forming a triangle or similar triangle, to improve the structural stability of folding ladder in the deployed state.Tiltedly branch
The second end 412 of bar 41 can be locked with the first column 1 in several ways, such as spiral shell is clamped or passed through by shackle member
Line connector is attached.
Fig. 3 is the structural schematic diagram of the folding ladder first locking mechanism according to shown in the application some embodiments, and Fig. 4 is root
According to the detailed structure schematic diagram of the first locking mechanism of folding ladder shown in some embodiments of the application, Fig. 5 is according to the application
The detailed structure schematic diagram of the first locking mechanism of folding ladder shown in some embodiments, Fig. 6 are according to some implementations of the application
The detailed structure schematic diagram of the first locking mechanism of folding ladder shown in example, Fig. 7 is according to shown in some embodiments of the application
The detailed structure schematic diagram of the first locking mechanism of folding ladder.In the embodiment shown in Fig. 3-7, the first locking mechanism 4 is also
Including pull rod 42 and lockwheel 43, the upper end of pull rod 42 is set on the first column 1, and its lower end is connected with lockwheel 43, lockwheel 43 and
First column 1 is connected by shaft 44, and lockwheel 43 is equipped with first connecting portion 431.It should be noted that lockwheel 43 and first
Column 1 can be directly connected, and be also possible to be indirectly connected, such as lockwheel 43 can first be connected with the first pedal 3, then pass through
First pedal 3 is connected on the first column 1.The second end 412 of oblique fulcrum bar 41 is equipped with and can match with first connecting portion 431
Second connecting portion 413.Wherein, when pull rod 42 is pulled upwardly, and lockwheel 43 is driven to rotate around shaft 44, first connecting portion
431 can be changed into the state mutually separated by the state mutually locked with second connecting portion 413.In the present embodiment, pass through pulling
Pull rod 42 drives lockwheel 43 to move, to realize the unlock and locking of first locking mechanism 4, such locking control structure is simple
It is single reliable.In some alternate embodiments, lockwheel 43 can also be connected by knob with the first column 1, when the knob is revolved
Turn, knob is able to drive lockwheel 43 and rotates around shaft 44.
Specifically, as shown in fig. 7, first connecting portion 431 is hook formation, second connecting portion 413 is rod-like structure, hook-shaped
Structure can hook be set in rod-like structure and lockwheel 43 and 41 phase of oblique fulcrum bar locked.Pass through hook formation and rod-like structure
Cooperation, lockwheel 43 and oblique fulcrum bar 41 can more steadily link together, and the two is not easily disconnected from, and is existed to improve folding ladder
Security performance when use.In some alternate embodiments, first connecting portion 431 and second connecting portion 413 also be can be set
For other clamping structures (such as cooperation or bail and the cooperation of card hole etc. of grab and card slot).
In some embodiments, the first pedal 3 is equipped with the guide groove 31 that extends along its length, and the of oblique fulcrum bar 41
Two interconnecting pieces 413 are slidably connected in guide groove 31.Setting in this way is folded in the folding ladder to the application
During, after the disassembly of the first connecting portion 431 of the second connecting portion 413 of oblique fulcrum bar 41 and lockwheel 43 is separated, tiltedly propping up
While bar 41 is rotated around the rotating joint of itself and the second column 2, the second end 412 of oblique fulcrum bar 41 can be along guide groove 31
It slides and moves closer to the second column 2.Above structure is defined the position of the second end 412 of oblique fulcrum bar 41, and first steps on
Plate 3 will pull oblique fulcrum bar 41 and be rotated, to also be defined to the rotation direction of oblique fulcrum bar 41 in folding process.This
Outside, when needing for folding ladder to be unfolded by pulling open the first column 1 at a distance from the second column 2, the guide groove of the first pedal 3
31 can guide the second end 412 of oblique fulcrum bar 41 to move to the position with the locking of 43 phase of lockwheel.In some alternate embodiments
In, after first connecting portion 431 is separated with second connecting portion 413, the position of the second end 412 of oblique fulcrum bar 41 can not also be limited
It sets, that is to say, that the second end 412 of oblique fulcrum bar 41 can be set to after first connecting portion 431 is separated with second connecting portion 413
Directly vacantly it is connected without the other structures with folding ladder.Those skilled in the art can select to close according to actual use demand
Suitable mode is configured.
In some embodiments, the first resilient return member 45 is equipped at shaft 44, when pull rod 42 is pulled upwardly and band
After dynamic lockwheel 43 rotates, lockwheel 43 is separated with oblique fulcrum bar 41, and after pull rod 42 is released, lockwheel 43 can be in the first elastic reset
The lower automatic rotation of the elastic force effect of component 45 resets.Specifically, which can choose as torsional spring.Into one
Step, guiding surface 4311 is equipped with towards the side of rod-like structure on hook formation, wherein when second connecting portion 413 is being oriented to
When sliding in slot towards first connecting portion 431, rod-like structure can be slided along guiding surface 4311 and lockwheel 43 is pushed to rotate,
Until rod-like structure is caught in hook formation, lockwheel 43 rotates multiple under the elastic force effect of the first resilient return member 45 at this time
Position, so that lockwheel 43 is locked with 41 phase of oblique fulcrum bar.By above-mentioned setting, operating personnel only needs during unfolded ladder
First column 1 and the second column 2 are pulled open, the second end 412 of oblique fulcrum bar 41 43 phase of lockwheel can lock automatically, this makes this
The operation that the folding ladder of application is unfolded under by folded state is very easy, especially in case of emergency (such as by the application
Folding ladder be used for fire-fighting and rescue when) quickly and easily folding ladder can be unfolded.
In some embodiments, the folding ladder of the application further includes multiple second pedals set on the top of the first pedal 3
5, the both ends of the second pedal 5 are rotatedly connected with the first column 1 and the second column 2 respectively, and multiple second pedal, 5 compartment of terrain are set to the
Between one column 1 and the second column 2.Second pedal 5 can be common plate or rod-like structure, may not need such as the first pedal 3
Guide groove is set like that, the difficulty of processing and manufacturing cost of the folding ladder of the application can be reduced on the whole in this way.Meanwhile it will
The top of the first pedal 3 is arranged in primarily in the process folded and unfolded to folding ladder convenient for behaviour in second pedal 5
Make, therefore, those skilled in the art can also be according to the actual needs by the position setting of the first pedal 3 to other positions, example
The top of some second pedals 5 is arrived as being arranged.
In some embodiments, in order to further reducing volume shared by folded folding ladder, 1 He of the first column
Accommodating chamber open toward one another is equipped on second column 2, accommodating chamber can mutually be drawn close in the first column 1 with the second column 2
After accommodate the first pedal 3 and the second pedal 5.
In some embodiments, lockwheel 43 is equipped with arc groove 432, and the center of circle of arc groove 432 is overlapped with shaft 44, pull rod
42 lower end is slidably connected in arc groove 432.During lockwheel 43 rotates, the lower end of pull rod 42 can be in arc groove
Sliding in 432, setting in this way, pull rod 42 can more swimmingly control the rotation of lockwheel 43, the lower end of pull rod 42 with
It is less prone to card resistance between lockwheel 43, so that the folding ladder of the application can be more stable and be successfully unfolded and rolls over
It is folded.In addition, pushing lockwheel 43 since rod-like structure can be slided along guiding surface 4311 during unfolded ladder
Rotation, and pass through the setting of arc groove 432, the rotation of lockwheel 43 at this time, which will not be constituted pull rod, to be influenced.
In some embodiments, first locking mechanism 4 further includes the vertically extending sliding slot 46 on the first column 1
With the slide plate 47 being set in sliding slot 46, slide plate 47 is connected with the upper end of pull rod 42, slide plate 47 can it is upward along sliding slot 46 or to
Lower slider.The position of the upper end of pull rod 42 is defined by sliding slot 46 and slide plate 47, is realized convenient for operating personnel by pull rod
42 operations pulled up.In some alternate embodiments, the upper end of pull rod 42 can also by the structures such as idler wheel with
First column 1 is connected, and pulls up pull rod 42 with the rotation by idler wheel.
Preferably, between pull rod 42 and sliding slot 46 be equipped with the second resilient return member 48, when slide plate 47 by upward sliding and
So that slide plate 47 can automatically downwards under the elastic force effect of the second resilient return member 48 after pull rod 42 drives lockwheel 43 to rotate
Sliding resets.In the present embodiment, which may include spring and is fixed on the pull rod 42
Gasket, lower end and the gasket of the spring lean, and the upper end and the bottom end of sliding slot 46 lean.When slide plate 47 is by upward sliding
When, pull rod 42 moves upwards therewith, and gasket moves upwards and compressed spring.After lockwheel 43 and oblique fulcrum bar 41 unlock, in spring
Elastic force act on lower pull rod 42 and be pushed down, so that 47 slide downward of slide plate be pulled to reset.In addition, in the first elastic reset structure
Under the collective effect of part 45 and the second resilient return member 48, lockwheel 43 and slide plate 47 can after lockwheel 43 and oblique fulcrum bar 41 unlock
To realize synchronous reset, to guarantee that first locking mechanism 4 is not easy card resistance, and can work to all-the-time stable.
In some embodiments, the first column 1 and the second column 2 include column body 11 and lower prop 12, column body 11
Lower end and the upper end of lower prop 12 be rotatablely connected, second locking mechanism is equipped at the rotation connection of column body 11 and lower prop 12
6, second locking mechanism 6 can prevent column body 11 and lower prop 12 from relatively rotating in locking.Second locking mechanism 6 can be
Folding ladder expansion adjusts the angle of the angle between column body 11 and lower prop 12 when using, for example, second locking mechanism 6 can be with
The folding ladder of locking when angle between column body 11 and lower prop 12 is 180 °, such the application can be unfolded and be formed straight
Ladder (as shown in Figure 9).The angle of angle between column body 11 and lower prop 12 can also be adjusted to other angles, such as
0 °, 30 °, 35 ° or 45 ° degree etc..Referring to Fig.1 0, Figure 10 be the folding ladder according to shown in the application some embodiments in column body and
Schematic diagram when angle between lower prop is 0 °.Setting in this way, the user of service of folding ladder can be according to using field
Specifically the height of folding ladder is adjusted in the height that the concrete condition and needs on ground are climbed, to increase the application folding ladder
Universal adaptability in use process.In addition, during folding the folding ladder of the application, first by the upper of folding ladder
Cylinder 11 and lower prop 12 are drawn close, so that the angle of column body 11 and lower prop 12 is 0 °, i.e., so that folding ladder is in Figure 10 institute
Then the state shown forces the first column 1 to be drawn close with 2 phase of the second column again, so that folding ladder is in state shown in Fig. 2.
In some embodiments, it can be equipped with first locking mechanism on column body 11 and lower prop 12, so as to make folding ladder exist
It is more firm when expansion.In embodiment as shown in figs. 9-10,4 pedals are respectively included in column body 11 and lower prop 12
(including the first pedal and second pedal).In some alternate embodiments, the pedal quantity on folding ladder may be other
Quantity.For example, 3 pedals, 5 pedals or 6 pedals etc. can be respectively included on column body 11 and lower prop 12.
Fig. 8 is the detailed structure schematic diagram of the second locking mechanism of the folding ladder according to shown in the application some embodiments,
As shown in figure 8, the second locking mechanism 6 includes the first mounting plate 61, the second mounting plate of two panels 62 and pressed component 63, the first peace
Loading board 61 is set on one in column body and lower prop, and the second mounting plate 62 is set to another in column body and lower prop
On, the second mounting plate of two panels 62 is clamped in outside the first mounting plate 61.Pressed component 63 can run through the first mounting plate 61 and second
Mounting plate 62, and the second mounting plate 62 is enabled to compress the first mounting plate 61.It should be noted that above-mentioned pressed component 63
It can be the structures such as bolt or adjusting knob, the application is without limitation.
In some embodiments, the folding ladder of the application further includes the bottom for being respectively arranged on the first column 1 and the second column 2
Support base 7.The support base 7 is capable of increasing the contact area of the first column 1 and the second column 2 and ground, effectively prevent
First column 1 and the second column 2 skid on the ground, to improve the security performance of folding ladder in use.
In some embodiments, the folding ladder of the application further includes handle 8, and handle 8 is either be arranged in the first column
1, it is also possible to be arranged on the second column 2, can also be and be provided with handle 8 on the first column 1 and the second column 2.It is logical
The setting of handle 8 is crossed, the folding ladder of the application can be more convenient for transporting.Preferably, on the first column 1 and the second column 2
It is provided with handle 8, and when folding ladder is in folded state, i.e., when the first column 1 is drawn close with 2 phase of the second column, first is vertical
Handle 8 on column 1 and the second column 2 is located in same level height.
The possible beneficial effect of folding ladder disclosed herein includes but is not limited to: (1) when the folding ladder needs
When being transported or being stored, it can be folded and reduce its shared volume, be readily transported and store；(2) folding ladder
Its height can be adjusted according to application site and use demand, so that the folding ladder of the application can be adapted for different fields
Scape；(3) folding ladder stable structure, security performance when being in unfolded state is higher；(4) folding ladder is folded and is opened up
The operation opened is all relatively simple convenient.It should be noted that the different issuable beneficial effects of embodiment are different, different
In embodiment, it is possible to create beneficial effect can be the combinations of any of the above one or more, be also possible to other it is any can
Obtainable beneficial effect.
The above is only the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within principle.
Claims (16)
1. a kind of folding ladder, which is characterized in that including the first column, the second column, the first pedal and first locking mechanism, institute
State that the first column is parallel with second column, the both ends of first pedal respectively with first column and the second column
It is rotatedly connected；
Wherein, the first locking mechanism can prevent first pedal relatively described when the folding ladder has been unfolded
One column and the rotation of the second column；And the first locking mechanism can also allow described when the folding ladder is folded
Relatively described first column of one pedal and the second column rotate, so that first column and the second column are mutually drawn close.
2. folding ladder as described in claim 1, which is characterized in that the first locking mechanism includes oblique fulcrum bar, the oblique branch
The first end of bar and second column are rotatablely connected, and its second end can mutually be locked with first column or mutually be separated.
3. folding ladder as claimed in claim 2, which is characterized in that the first locking mechanism further includes pull rod and lockwheel, institute
The upper end for stating pull rod is set on first column, and its lower end is connected with the lockwheel, the lockwheel and first column
It is connected by shaft, and the lockwheel is equipped with first connecting portion；The second end of the oblique fulcrum bar is equipped with can be with described first
The second connecting portion that interconnecting piece matches, wherein when the pull rod is pulled upwardly and drive the lockwheel around the shaft
When rotation, the first connecting portion can be changed into the state mutually separated by the state mutually locked with second connecting portion.
4. folding ladder as claimed in claim 3, which is characterized in that the first connecting portion is hook formation, and described second connects
Socket part is rod-like structure, the hook formation can hook be set in the rod-like structure and make the lockwheel and the oblique fulcrum bar
Mutually lock.
5. folding ladder as claimed in claim 4, which is characterized in that first pedal is equipped with to be extended along its length
Guide groove, the second connecting portion of the oblique fulcrum bar are slidably connected in the guide groove.
6. folding ladder as claimed in claim 5, which is characterized in that be equipped with the first resilient return member at the shaft, work as institute
It states pull rod to be pulled upwardly after driving the lockwheel to rotate, the lockwheel can be in the elastic force of first resilient return member
The lower automatic rotation of effect resets.
7. folding ladder as claimed in claim 6, which is characterized in that towards the side of the rod-like structure on the hook formation
Equipped with guiding surface, wherein described when the second connecting portion is slided in the guide groove towards the first connecting portion
Rod-like structure can be slided along the guiding surface and the lockwheel is pushed to rotate, until the rod-like structure is caught in the hook
In shape structure, the lockwheel is rotated under the elastic force effect of first resilient return member and is resetted at this time, so that the lock
Wheel is mutually locked with the oblique fulcrum bar.
8. folding ladder as claimed in claim 5, which is characterized in that further include set on multiple the of the top of first pedal
Two pedals, the both ends of second pedal are rotatedly connected with first column and the second column respectively, and multiple described second step on
Plate compartment of terrain is set between first column and the second column.
9. folding ladder as claimed in claim 8, which is characterized in that be equipped on first column and the second column towards that
The accommodating chamber of this opening, the accommodating chamber can accommodate first pedal after first column and the second column are mutually drawn close
With the second pedal.
10. folding ladder as claimed in claim 3, which is characterized in that the lockwheel is equipped with arc groove, the circle of the arc groove
The heart is overlapped with the shaft, and the lower end of the pull rod is slidably connected in the arc groove.
11. folding ladder as claimed in claim 3, which is characterized in that the first locking mechanism further includes being set to described first
Vertically extending sliding slot on column and the slide plate in the sliding slot, the slide plate are connected with the upper end of the pull rod,
The slide plate can slide upward or downward along the sliding slot.
12. folding ladder as claimed in claim 11, which is characterized in that be equipped with the second elasticity between the pull rod and the sliding slot
Reset components, after the slide plate makes the pull rod drive lockwheel rotation by upward sliding, the slide plate is described
It being capable of automatic slide downward reset under the elastic force effect of second resilient return member.
13. such as folding ladder of any of claims 1-12, which is characterized in that first column and the second column are equal
Including column body and lower prop, the upper end of the lower end of the column body and the lower prop is rotatablely connected, and the column body is under
At the rotation connection of cylinder be equipped with second locking mechanism, the second locking mechanism can locking when prevent the column body and
Lower prop relatively rotates.
14. folding ladder as claimed in claim 13, which is characterized in that the second locking mechanism includes the first mounting plate, two
The second mounting plate of piece and pressed component, first mounting plate are set on one in the column body and lower prop, and described
Second mounting plate is set on another in the column body and lower prop, and the second mounting plate described in two panels is clamped in described first
Outside mounting plate；The pressed component can run through first mounting plate and the second mounting plate, and enable to second peace
Loading board compresses first mounting plate.
15. such as folding ladder of any of claims 1-12, which is characterized in that further include being respectively arranged on described first to stand
The support base of the bottom of column and the second column.
16. such as folding ladder of any of claims 1-12, which is characterized in that further include being set to first column
And/or the handle on second column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910516414.2A CN110080674B (en) | 2019-06-14 | Folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910516414.2A CN110080674B (en) | 2019-06-14 | Folding ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110080674A true CN110080674A (en) | 2019-08-02 |
| CN110080674B CN110080674B (en) | 2024-05-07 |
Family
ID=
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| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
| CN109538107A (en) * | 2019-01-18 | 2019-03-29 | 安徽冠廷科技有限公司 | Multi-functional folding ladder |
| US20190136621A1 (en) * | 2017-11-06 | 2019-05-09 | Jiaxing Jackson Travel Products Co., Ltd | Folding ladder |
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| US6119811A (en) * | 1999-04-07 | 2000-09-19 | Tsung-Ping; Lin | Multiple functional, foldable, and portable ladder |
| US20040216954A1 (en) * | 2003-02-19 | 2004-11-04 | Chan Bok Lee | Hinge for folding ladders |
| CN201202396Y (en) * | 2008-05-07 | 2009-03-04 | 杨建明 | Folding type ladder |
| CN101446176A (en) * | 2008-12-23 | 2009-06-03 | 王万兴 | Collapsible ladder |
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Effective date of registration: 20240407 Address after: 215133 No.8 Zhongchuang Road, Yuanhe Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: SUZHOU ZHONGCHUANG ALUMINIUM PRODUCTS Co.,Ltd. Country or region after: China Address before: No. 168 Yuhang Road, Yuanhe Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215131 Applicant before: SHIYA ELECTRONIC (SUZHOU) CO.,LTD. Country or region before: China |
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