CN106460457A - Folding ladder that can be converted into a transportation trolley - Google Patents
Folding ladder that can be converted into a transportation trolley Download PDFInfo
- Publication number
- CN106460457A CN106460457A CN201580016042.7A CN201580016042A CN106460457A CN 106460457 A CN106460457 A CN 106460457A CN 201580016042 A CN201580016042 A CN 201580016042A CN 106460457 A CN106460457 A CN 106460457A
- Authority
- CN
- China
- Prior art keywords
- ladder
- handbarrow
- folding
- convertible
- support member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
- B62B1/12—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- 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
- E06C1/397—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 characterised by having wheels, rollers, or runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
- B62B2206/006—Convertible hand-propelled vehicles or sledges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/008—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor having more than two axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
Abstract
The invention relates to a folding ladder which can be converted into a transportation trolley, comprising a ladder part (1) that has tiers (2) or rungs and, in the upper region, a first pivoting joint (3) to which a support part (4) is attached so as to be pivotable, characterized in that said support part (4) consists of at least two partial support parts (5, 6) that are interconnected by means of a second pivoting joint (7) in order for the lower partial support part (6) to be pivoted towards the ladder part (1), and at least one trolley roller means (8) being designed on said support part (4) in the region of this second pivoting joint (7). At the end (9) of the lower partial support part (6) that lies opposite to the second pivoting joint (7), a means for detachably connecting said lower partial support part (6) to the ladder part (1) is designed such that when the lower partial support part (6) is connected to the ladder part (1), a closed support frame (11) is produced which can be moved on the at least one trolley roller means (8), with the ladder part (1) forming the load retaining section (12) for receiving a load (13).
Description
Technical field
The present invention relates to being convertible into the folding ladder of the handbarrow that can go upstairs, it has the ladder portion with step or glazing bar
Part and support member.
Background technology
Handicraft field is frequently necessary to use ladder, so as to completing manual tasks, and can be closely located
Higher, there is goods and the storage of material.Shortcoming using conventional ladder is it is necessary to dividually transport ladder and goods
With material it means that extra work process.
Now in order to simplify work process and transportation, ladder and handbarrow are combined, wherein can be in function
On ladder is converted into handbarrow, then can transport object by handbarrow.
In simplest deformation program, the batten ladder of the one of commercial standard (CS) or binary increased wheel on side
Son, increased load thin slice on an another side.This system is known by DE 20 2,010 010 339 U1.This modular plus
Dress only can be applicable in shorter ladder.
DE 1 931 791 describes a kind of handbarrow (hand barrow), is wherein used for supporting the framework of load extraly
There is step, and these wheels are fixed on the support that can open, this support outwards overturns backwards for erect a ladder, wherein
These wheels are raised from ground.
In the solution by DE 2 227 035, the dorsal part of handbarrow (hand barrow) is provided with ladder,
Folding ladder translated into by the opened support that it can pass through in the load-side of handbarrow, and wherein this ladder support is in this support and folding
On the thin slice of ladder.
Disclose the complex scenario for long ladder in DE 198 15 236 A1, which depict have can padlock hinge
The multicompartment formula ladder of chain, wherein be provided with end piece load and support wheel, they are positioned such that, that is, make they
Do not contact with ground during as double ladder.This ladder is so folded into travelling bogie so that this end piece structure together with roller
Become dolly bottom, and component home below is foldedly placed on this dolly bottom, and the other end part of ladder erects
On the spot play the effect of push-and-pull shelf rest.
The shortcoming being convertible into the folding ladder of handbarrow known to these is to be difficult to overcome step or building by this function
Ladder.Further drawback is to need when not in use to occupy very big space to dispose.
Content of the invention
Therefore the purpose of the present invention is, a kind of folding ladder being convertible into handbarrow is described, on the one hand it can make heaviness
And uncontrolled object serves stair along both direction additionally it is possible to as loading flat board when freighting in buggy and unloading
With, and contribute to overcoming various streets curb or big threshold with a wet finger, on the other hand can also be used for big as vehicle trailer
The object of volume.
In order to realize this purpose, illustrate a kind of folding ladder of the handbarrow being convertible into and going upstairs, it has band platform
Rank or the ladder sections of glazing bar, wherein ladder sections up have the first swing hinge in region, and support member is swingably
Lay on this swing hinge.It is characterized in that, described support member is made up of at least two local support parts, and they pass through
Second swing hinge is connected with each other, and therefore the local support part of lower section can swing along the direction of ladder sections, and in institute
State and at least one handbarrow rolling device is provided with the region of the second swing hinge on described support member.In lower section local
Support member relative with the second swing hinge and be provided with, on the end put, the lower section local support portion that connects for releasably
Part and the device of ladder sections.Therefore in described lower section local support part when described ladder sections are combined, create closing
Scaffold, its can roll on device motion at least one handbarrow and ladder sections here be configured to receive negative
The load keeper carrying.
The ladder sections of folding ladder are generally made up of two ladder position crossbeams, and the step of described ladder or glazing bar are flatly
It is arranged between these ladder position crossbeams.Described support member equally generally has two support member crossbeams, and they can
It is connected with each other by horizontal beam or glazing bar or step.This ladder position crossbeam and support member crossbeam can abreast set respectively
Put, that is, in embodiment below, the spacing of crossbeam is less than the bottom of positioned in the upper end of described ladder sections or support member
Spacing in the region holding up pillar in portion region.
Described support member is made up of two or more local support parts.From the local support part of top, (it passes through
First swing hinge is connected with ladder sections) start, another local support part is connected with each other.Adjacent local support part divides
Swingably it is not connected with each other by the second swing hinge.In other contents of description, statement " the second swing hinge " is
Refer to a hinge, two adjacent local support parts are swingably connected with each other by this hinge.
In simplest structural scheme, the support member of folding ladder is made up of two local support parts, their hinges
Shape ground is connected with each other round the rotation axiss of level by the second swing hinge.(to hold up folding in the state of opening
Ladder), lower section constitute the support member continuously extending straight together with the local support part of top.Folding ladder is by perpendicular
Play pillar to hold up securely, this is holded up on the end that pillar is located at the relative with the first swing hinge of ladder sections and puts.In order to
Stop support member from especially bending outwards, the pendulum radius of the second swing hinge is limited, so that hinge arms and passing through
The local support part that second swing hinge is connected can farthest be opened with 180 ° of angle, if therefore will be connected it
The second swing hinge fully open, then adjacent local support part is in the extension site of wire.
Additionally, the second swing hinge can be constituted in the way of padlock, and/or in the region of the second swing hinge
The backstop device extending in its wire extending part is provided with the outside of one local support part, for limiting adjacent setting
The motion outwardly of the local support part put, the respective support part crossbeam of adjacent local support part supports under the state of opening
Lean against on this backstop device.The sleeve that the side being preferably in the form of along ladder sections of backstop device is open upwards, a local
When support member overturns outwardly, its support member crossbeam embeds in this sleeve, and stops this local support part from adjacent
Excessively show in the extension plane of the prolongation of local support part.
Described support member generally has two support member crossbeams, and they can pass through one or multiple horizontal beam phase
Connect.It should be understood that each support member crossbeam is respectively provided with the second swing hinge, wherein said second swing hinge is in phase
Arrange on the supporting member on same height.
In order to functionally folding ladder is converted into handbarrow, the support member of binary swings along the direction of ladder sections,
Wherein lower section local support part round the second swing hinge hinge axis with respect to top local support part along ladder portion
The direction upset of part.
The end that the relative with the second swing hinge of lower section local support part is put is provided with one or more devices
Part, for releasably connecting lower section local support part and ladder sections, therefore in lower section local support part and ladder
Part with reference to when create the scaffold of closing.This ladder sections preferably has the corresponding device for connecting.
The local support part of lower section is preferably separatedly connected into the pillar of holding up of ladder sections together with ladder sections
It is outstanding that the scaffold of closing, the therefore end of ladder sections pass through scaffold in front.Ladder sections and the office of lower section
The combination of portion's support member can by stop connect, threaded, patch connections, clamping connect or hook connect realization.Weight
Want, this connection is releasable.
Described lower section local support part enables in particular to be constituted in extensible mode.This structural scheme especially lower section
The extension site that the telescope-type of local support part can be released.
Therefore in above-described embodiment (support member is made up of two local support parts), create shape in side view
Formula is the scaffold of triangular framing, and its angle point constitutes the first and second swing hinges and ladder sections and lower section local
Complex between support member.Scaffold is made up of two triangular framings on the whole, and it passes through folding in ladder sections side
The step of folded ladder or glazing bar are connected with each other, and are connected with each other by horizontal beam in the region of support member.
In other embodiments, support member can be constituted by more than two local support parts, wherein adjacent office
It is connected with each other by another second swing hinge the same hinge shape of portion's support member, and these local support parts are along ladder
The direction of part is swingable.In the support member of this three bodies, scaffold has gimbaled wheel trapezoidal in side view
Wide.
At least one handbarrow roll packer is provided with the region of described second swing hinge on described support member
Part, handbarrow can roll device left-hand seat in this go-cart and move motion or as trailer rolling." go-cart rolling device " this is without exception
Read and the concept " front rolling device " mentioned in other places generally includes wheel, one or more width roller or continuous
Rolling roll.Thus, support member is made up of three or more local support parts, and can be in each the second pendulum
One or more go-carts are set in dynamic hinge and roll device.
" in the region of the second swing hinge " this concept includes multiple structural forms.In a preferred embodiment, handss
Go-cart rolls device axle and extends in the hinge axis of described second swing hinge, and wherein said go-cart rolls device and can be arranged on
The inner side of support member or outside.Additionally, horizontal beam, step or glazing bar that the support member crossbeam of support member is coupled together
Can extend in the hinge axis of the second swing hinge, go-cart rolls being pivotally supported in this hinge axis of device.
In another embodiment, go-cart roll device can in the region of the second swing hinge with the second swing hinge
Hinge axes are separatedly arranged on local support part, or arrange to separate with support member, its axis crossbeam
(Achsholm) it is connected with support member.
In a preferred embodiment, relative with described first swing hinge in described ladder sections and arrange on the end put
There is rolling device in front of at least one.The effect arranging rolling device in front of at least one is it is easier to ground overcomes step (for example
Street curb or stair).
Hold up between pillar and ladder sections and the junction of support member, in ladder sections, especially in ladder sections
It is respectively arranged with ladder sections are towards the side of support member front roll device, its when folding ladder is holded up in order to
Play and rise the effect of assistor and do not contact with ground, what folding ladder was erected at ladder sections and support member securely holds up pillar
On.
Front rolls device and also can be disposed directly on the bottom side holding up pillar.In this embodiment, front rolling
Dynamic device is preferably arranged in the way of swingable, so that front rolls device and can swing to such position towards folding ladder when holding up
In putting, in this position, front is rolled device and is not contacted with ground.
Front rolls device and can be directly anchored in ladder sections, or spaced apart by axle crossbeam and ladder portion
Part is connected.
The diameter rolling device in front of this is preferably smaller than the diameter that go-cart rolls device.By different size of rolling device
Cooperating of the geometry of diameter and scaffold, makes at least one go-cart described roll device and passes through by its work surface
Riser is up rolled on next step, but scaffold is not contacted with step edge.Front rolls diameter and the go-cart of device
Roll the ratio preferably 1/2 to 1/20, preferably 1/5 to 1/15, especially about 1/10 of the diameter of device.
In order to overcome stair, in a preferred embodiment, front rolls device and go-cart rolls between the work surface of device
Dead size c is more than value widthWherein a is tread length, and s is the lifting height of terraced tower rank.
In order to overcome stair, first front rolling device is placed on next time on step again, and along next step
Direction promote this handbarrow.Therefore roll device in front and go-cart rolls and there is idle step between device.Subsequently, will
Go-cart rolls device and rises to the tread of next step (idle step) from the tread of present load, and by handbarrow again
The direction of the secondary gradient along step promotes forward.In order to overcome next step, first front is rolled device from current again
The tread of load moves on on the tread of next step.
Intermediate cavity that can extraly between the upper end and ladder sections of support member by the folding ladder of the present invention
In there is Safety fuse auxiliary part, it is swingably arranged in ladder sections and for guaranteeing the state of ladder.
In order to stablize scaffold and the ladder state of handbarrow, described first swing hinge and/or the second swing hinge
Can be constituted in the way of padlock.
In another embodiment, described ladder sections are holded up at it and are had the load guarantor referring to upward or outwardly above pillar
Holder, the horizontal beam of the load keeping flat and/or load thin slice, for supporting the load lying in ladder sections from below.
In order that the handbarrow being made up of folding ladder is moved along easily, it is configured to handle in the upper end of ladder sections
Handss.The folding ladder of commercial standard (CS) often has the crossbeam of cincture above last step or Safety fuse auxiliary part, and it is used for protecting use
Family and there is hook for hanging object in some cases.This knot can be retained in the folding ladder by the present invention
Structure.
Additionally, the upper end of ladder sections has suspension bonder or is configured to hang bonder, so as to will be by
The handbarrow that folding ladder is constituted is suspended on vehicle (as bicycle, motor scooter or PKW).
In order to ensure the load in the ladder sections (it constitutes load keeper) of handbarrow, ladder sections are provided with
At least one immobilising device, for being fixed on described load in ladder sections.In simplest form, immobilising device can
It is eyelet, screw or the hook being connected with tightening belt, wherein tightening belt crowds around described load and here is by described load
It is pressed in load keeper or ladder sections.
For the stable described handbarrow being made up of described folding ladder, device axle and described ladder can be rolled in handbarrow
It is provided with support cross between the step of part.Described support cross can collapsibly with handbarrow roll device axle or
The step of ladder sections is connected.Alternatively, cross is supported can be constituted in removable mode.
In the upper area of ladder sections, preferably in the region of the first swing hinge, in order to be made up of folding ladder
Handbarrow be supported in cocked position, be provided with the upright support that preferably can open.
Brief description
Illustrating in detail the present invention by embodiment below.
Those figures show：
Fig. 1：Show the first embodiment of the folding ladder by the present invention in side view；
Fig. 2：Show the first embodiment of the folding ladder having been converted into handbarrow in side view；
Fig. 3：Show the first embodiment of the folding ladder having been converted into handbarrow in side view；
Fig. 4：First embodiment by the folding ladder having been converted into handbarrow describes principle of going upstairs；
Fig. 5：Show the second embodiment of the folding ladder having been converted into handbarrow in side view；And
Fig. 6：Show the second embodiment of the folding ladder by the present invention in side view.
Specific embodiment
Fig. 1 to Fig. 4 shows the first embodiment of the folding ladder being convertible into handbarrow.
Fig. 1 shows the folding ladder being convertible into handbarrow, and it has the ladder sections 1 with step 2, wherein ladder sections
1 up has the first swing hinge 3 in region, and support member 4 is swingably laid on this swing hinge.Support member 4
It is made up of two local support parts 5 and 6, they are connected with each other by the second swing hinge 7, therefore the local support portion of lower section
Part 6 can be along the direction upset of ladder sections 1.In the region of the second swing hinge 7, (do not show in the both sides of support member 4
Go out) on be respectively arranged with shallow wheel 8.Relative with the second swing hinge 7 in lower section local support part 6 and on the end 9 put
It is provided with hook 10, for releasably connecting lower section local support part 6 and ladder sections 1.
The ladder sections 1 of folding ladder are made up of two ladder position crossbeams, and step 2 is horizontally disposed at these ladder positions
Between crossbeam.Support member 4 equally has two support member crossbeams, and they pass through horizontal beam 21 and are connected.
This two local support part 5 and 6 vertically hinge shape ground and be connected with each other with being rotatably connected shape.Opening
In the state of (to hold up folding ladder), the local support part 6 of lower section constitutes continuously together with the local support part 5 of top
The support member 4 extending straight.This folding ladder by the end 9 of support member 4 and ladder sections 4 to hold up pillar 18 steady
Admittedly hold up.
In order to stop support member 4 from bending outwards in the second swing hinge 7, the pendulum radius to the second swing hinge 7
Limited, so that the local support part 5,6 being connected by the second swing hinge 7 can be farthest with 180 ° of angle
Open, if the therefore second swing hinge 7 fully opens, adjacent local support part 5,6 is in the extension site of wire
In.
For this reason, being up provided with its wire on the outside of local support part 5 in the region of the second swing hinge 7
The backstop device 22 extending in extending part, for limiting the motion outwardly of lower section local support part 6, lower section local support portion
The support member crossbeam of part 6 is resisted against under state on this backstop device in opening of folding ladder.The form of backstop device 22 is edge
The sleeve that the side of ladder sections 1 is open upwards, when lower section local support part 6 overturns outwardly, its support member crossbeam embeds
In this sleeve, and stop lower section the prolongation from top local support part 5 for the local support part 6 extension plane excessively put
Go out.
This embodiment of folding ladder also extraly intermediate cavity between the upper end and ladder sections 1 of support member 4
There is in 16 Safety fuse auxiliary part 17, it is swingably arranged in ladder sections 1 and in order to ensure the state of folding ladder is taken from behind
Then the horizontal beam 21 of support member 4.
Ladder sections 1 are holded up above pillar 18 in end regions 14 equipped with the load thin slice 19 referring to outwardly at it,
It is used for supporting the load 13 (Fig. 2 to Fig. 4) lying in ladder sections 1.
Hold up between the junction of pillar 18 and ladder sections 1 and support member 4, in ladder sections 1 in ladder sections 1
Both sides on, be respectively arranged with front-wheel 15 on ladder sections 1 are towards the side of support member 4, it is when folding ladder is holded up
Do not contact with ground to act the effect rising assistor, therefore folding ladder is erected at ladder sections 1 and support member 4 securely
Hold up on pillar 18.
Fig. 2 shows the folding ladder being functionally converted into handbarrow by Fig. 1.For this reason, lower section local support part 6 encloses
Hinge axis around the second swing hinge 7 swing along the direction of ladder sections 1 with respect to top local support part 5.It is located at down
Square local support part 6 relatively and the hook 10 on the end 9 put releasably is connected with ladder sections 1, its mode is：Should
Hook 10 surrounds the horizontal beam of ladder sections 1, this horizontal beam arrange with ladder sections 1 to hold up pillar 18 spaced apart.
By the combination of lower section local support part 6 and ladder sections 1, create the scaffold of the triangle of closing
11, it can move on shallow wheel 8 and ladder sections 1 here is configured to receive the load keeper 12 of load 13.Push away
The axletree of wheel 8 extends in the hinge axis of the second swing hinge 7, and wherein shallow wheel 8 is arranged on support member 4 from inner side.
Handbarrow in order to be made up of folding ladder is moved along easily, sets in the upper end of ladder sections 1
It is equipped with handle 23.Additionally, the upper end of ladder sections 1 is configured to hang bonder 24, so as to will be made up of folding ladder
Handbarrow be suspended on vehicle (as bicycle, motor scooter or PKW).
Fig. 3 also illustrates the folding ladder being functionally converted into handbarrow by Fig. 1, but front-wheel 15 and shallow wheel 8 are same
When load.Load 13 is supported thin slice 19 and supports from below, and is extraly fixed in ladder sections 1 by tightening belt
In the region of loading frame 12.Load 13 can easily be transported in this position, because this load is completely supported at front-wheel 15
On shallow wheel 8, therefore user need not apply extra power to fix this load in transportation.
Fig. 4 again illustrates the folding ladder being functionally converted into handbarrow by Fig. 1, and it plays the work of terraced assistor
With.The diameter configuration of this front-wheel 15 must be less than the diameter of shallow wheel 8.Front-wheel 15 in front of this is placed on step.Scaffold
11 geometry can make shallow wheel 8 up be rolled on the tread of step by riser, but scaffold 11 not with step side
Edge contacts.
Fig. 5 and 6 shows the second embodiment of the folding ladder having been converted into handbarrow.
Fig. 5 shows the folding ladder holded up, and it has the ladder sections 1 with step 2, wherein ladder sections 1 up area
There is in domain the first swing hinge 3, support member 4 is swingably laid on this swing hinge.This support member 4 is by three offices
Portion's support member 5,6.1 and 6.2 constitute, they are connected with each other by the second swing hinge 7.1 or 7.2 respectively, therefore below
Local support part 6.1 and 6.2 can collapse along the direction of ladder sections 1 with respect to top local support part 5.At two
In the region of two swing hinges 7.1 and 7.2, the both sides of support member 4 are respectively arranged with shallow wheel 8.1 or 8.2.In lower section
Local support part 6.2 relative with the second swing hinge 7.2 and be provided with hook 10, for releasably on the end 9 put
Connect lower section local support part 6.2 and ladder sections 1.
The ladder sections 1 of folding ladder are made up of two ladder position crossbeams, and step 2 is horizontally disposed at these ladder positions
Between crossbeam.Support member 4 equally has two support member crossbeams, and they pass through horizontal beam 21 and are connected.
These three local support part 5,6.1 and 6.2 hinge shape ground are connected with each other round trunnion axis.As shown in figure 5,
In the state of opening (to hold up folding ladder), these three local support parts 5,6.1 and 6.2 composition continuously extends straight
Support member 4.This folding ladder is firmly holded up on holding up pillar 18.
In order to stop support member 4 from bending outwards in the second swing hinge 7.1 and 7.2, in this embodiment also to
The pendulum radius of two swing hinges 7.1 and 7.2 is limited so that hinge arms and respectively pass through the second swing hinge 7.1 or 7.2
Connected local support part 5 and 6.1 or 6.1 and 6.2 can farthest be opened with 180 ° of angle, if therefore each
Second swing hinge 7.1 and 7.2 all fully opens, then adjacent local support part 5,6.1 and 6.2 is all in the prolongation of wire
In position.
For this reason, in the region of each the second swing hinge 7.1 and 7.2 in the local support part 5 being disposed over or
The backstop device 22.1 or 22.2 extending in its wire extending part is provided with 6.1 outside, is arranged on down for limiting
Side local support part 6.1 or 6.2 motion outwardly, corresponding support member crossbeam folding ladder open under state against
On this backstop device.The form of this two backstop device 22.1 and 22.2 is along the unlimited sleeve in the direction of ladder sections 1.
By the present invention folding ladder this embodiment also extraly the upper end of support member 4 and ladder sections 1 it
Between intermediate cavity 16 in there is Safety fuse auxiliary part 17, to guarantee the state of folding ladder.
Ladder sections 1 are holded up above pillar 18 in end regions 14 equipped with the load thin slice 19 referring to outwardly at it.
On ladder sections 1 are towards the side of support member 4, hold up pillar 18 and ladder sections 1 in ladder sections 1
And between the junction of support member 4, it is respectively arranged with front-wheel 15, it is when folding ladder is holded up in order to act the work rising assistor
With not contacting with ground, therefore folding ladder is erected at the holding up on pillar 18 of ladder sections 1 and support member 4 securely.
Fig. 6 shows the folding ladder being functionally converted into handbarrow by Fig. 5.For this reason, lower section local support part 6.2
Hinge axis round the second swing hinge 7.2 overturn along the direction of ladder sections 1, wherein with middle local support part
6.1, and direction pendulum along ladder sections 1 same with respect to top local support part 5 in the second swing hinge 7.1
Dynamic.
Together with hook 10 on the local support part 6.2 of bottom is hooked in the horizontal beam of ladder sections 1, and
Pillar 18 is spaced apart with holding up.By the local support part 6.2 of bottom and the combination of ladder sections 1, create closing
Trapezoidal shape scaffold 11, wherein in the middle of local support part 6.1 abreast orient with ladder sections 1.This handbarrow
Can pull on shallow wheel 8.1 and 8.2 or promote.
Equally in the embodiment by Fig. 2, ladder sections 1 constitute the load keeper 12 for receiving load 13.
In order that motion is more prone to forward, the upper end of ladder sections is configured to handle 23, and it has extra setting
Suspension bonder 24.
Claims (14)
1. a kind of folding ladder being convertible into handbarrow, it has the ladder sections (1) of band step (2) or glazing bar, described ladder
Part up has the first swing hinge (3) in region, and support member (4) can swingingly be laid on this swing hinge,
It is characterized in that,
Described support member (4) is made up of at least two local support parts (5,6), and they pass through the second swing hinge (7) phase
Connect, the local support part (6) of therefore described lower section can swing along the direction of ladder sections (1), and described the
At least one handbarrow is provided with the region of two swing hinges (7) on described support member (4) and rolls device (8),
Wherein relative with the second swing hinge (7) in lower section local support part (6) and be provided with the end (9) put for
The device of (10) described lower section local support part (6) and described ladder sections (1) can be connected with getting loose, therefore under described
When square local support part (6) and described ladder sections (1) combine, create the scaffold (11) of closing, it can be extremely
A few handbarrow rolls the upper motion of device (8) and ladder sections (1) here is configured to receive the load of load (13) to protect
Holder (12).
2. the folding ladder being convertible into handbarrow according to claim 1 is it is characterised in that wherein in described ladder sections
(1) relative with described first swing hinge (3) and be provided with front of at least one on the end (14) put and roll device (15).
3. the folding ladder being convertible into handbarrow according to claim 2 is it is characterised in that this is described in front of at least one
The diameter configuration rolling device (15) must roll the diameter of device (8) less than at least one go-cart described.
4. the folding ladder being convertible into handbarrow according to claims 1 to 3 is it is characterised in that in described support member
(4), in the intermediate cavity between described upper end (16) and described ladder sections (1), Safety fuse auxiliary part (17) can swingingly be arranged
In described ladder sections (1).
5. the folding ladder being convertible into handbarrow according to Claims 1-4 is it is characterised in that described first swings hinge
Chain (3) and/or the second swing hinge (7) being capable of padlocks.
6. the folding ladder being convertible into handbarrow according to claim 1 to 5 is it is characterised in that described ladder sections (1)
Hold up the top of pillar (18) at it to there is the load keeper referring to upward or outwardly or the horizontal beam of load keeping flat or load thin
Piece (19), for supporting described load (13) from below.
7. the folding ladder being convertible into handbarrow according to claim 1 to 6 it is characterised in that described at least one push away
Car rolls device (8) and is supported on the axle coupling together the support member crossbeam (20) of local support part (5,6), and it is preferred
The hinge axis of described second swing hinge (7) extend.
8. the folding ladder being convertible into handbarrow according to claim 7 is it is characterised in that described connected axle is by office
Extend in the horizontal beam (21) that the support member crossbeam (20) of portion's support member (5,6) couples together.
9. the folding ladder being convertible into handbarrow according to claim 1 to 8 is it is characterised in that swing described second
The backstop device extending along its straight line extension site is provided with the region of hinge (7) on the outside of local support part (5)
(22), for limiting the motion outwardly of adjacent local support part (6).
10. the folding ladder being convertible into handbarrow according to claim 1 to 9 is it is characterised in that described ladder sections
(1) described upper end is configured to handle (23).
11. folding ladders being convertible into handbarrow according to claim 1 to 10 are it is characterised in that described ladder sections
(1) described upper end has suspension bonder (24).
12. folding ladders being convertible into handbarrow according to claim 1 to 11 are it is characterised in that described lower section local
Support member (6) is constituted in the way of can extending.
13. folding ladders being convertible into handbarrow according to claim 1 to 12 are it is characterised in that in order to stable by institute
State the described handbarrow of folding ladder composition, roll in handbarrow and arrange between device axle and the step (2) of described ladder sections (1)
There is support cross.
14. folding ladders being convertible into handbarrow according to claim 1 to 13 are it is characterised in that in order to will be by described
The handbarrow that folding ladder is constituted is supported in cocked position, is provided with to hold up and props up in the upper area of described ladder sections (1)
Frame.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201420000803 DE202014000803U1 (en) | 2014-01-23 | 2014-01-23 | Folding ladder convertible into a transport cart |
| DE102014001106.2 | 2014-01-23 | ||
| DE202014000803.5 | 2014-01-23 | ||
| DE102014001106.2A DE102014001106B3 (en) | 2014-01-23 | 2014-01-23 | Folding ladder convertible into a transport cart |
| PCT/DE2015/000031 WO2015110116A1 (en) | 2014-01-23 | 2015-01-23 | Folding ladder that can be converted into a transportation trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106460457A true CN106460457A (en) | 2017-02-22 |
Family
ID=53039133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580016042.7A Pending CN106460457A (en) | 2014-01-23 | 2015-01-23 | Folding ladder that can be converted into a transportation trolley |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106460457A (en) |
| WO (1) | WO2015110116A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531514A (en) * | 2017-09-22 | 2019-03-29 | 苏州宝时得电动工具有限公司 | Workbench |
| CN112572562A (en) * | 2020-12-05 | 2021-03-30 | 乐山职业技术学院 | Book transfer device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI546488B (en) * | 2015-02-03 | 2016-08-21 | 力山工業股份有限公司 | Collapsible stand |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358124A (en) * | 1978-09-26 | 1982-11-09 | Concept Engineering, Inc. | Utility cart |
| CN101469600A (en) * | 2007-12-28 | 2009-07-01 | 上海市松江区第六中学 | Multipurpose three-leg ladder |
| CN201486460U (en) * | 2009-08-03 | 2010-05-26 | 广州市新惠宝日用品有限公司 | Ladder and handcart combined device |
| EP2381061A2 (en) * | 2010-04-23 | 2011-10-26 | Lin, Shih-ming | Ladder assembly having the function of a carrier |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE200612C (en) * | ||||
| DE190518C (en) | 1906-06-30 | 1907-11-19 | ||
| JPS4991045U (en) * | 1972-11-29 | 1974-08-07 | ||
| FR2745544B1 (en) * | 1996-03-01 | 1998-05-15 | Jean Gauthier | FOLDING LADDER WHEELBARROW |
| DE19815236A1 (en) | 1998-04-04 | 1999-10-14 | Christian Guenther | Lean-to ladder with lockable links for transporting objects e.g. used in filming and photographing |
| DE202010010339U1 (en) | 2010-03-17 | 2010-10-14 | Friedmann, Bernhard | Ladder with accessories for universal use |
-
2015
- 2015-01-23 CN CN201580016042.7A patent/CN106460457A/en active Pending
- 2015-01-23 WO PCT/DE2015/000031 patent/WO2015110116A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358124A (en) * | 1978-09-26 | 1982-11-09 | Concept Engineering, Inc. | Utility cart |
| CN101469600A (en) * | 2007-12-28 | 2009-07-01 | 上海市松江区第六中学 | Multipurpose three-leg ladder |
| CN201486460U (en) * | 2009-08-03 | 2010-05-26 | 广州市新惠宝日用品有限公司 | Ladder and handcart combined device |
| EP2381061A2 (en) * | 2010-04-23 | 2011-10-26 | Lin, Shih-ming | Ladder assembly having the function of a carrier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531514A (en) * | 2017-09-22 | 2019-03-29 | 苏州宝时得电动工具有限公司 | Workbench |
| CN112572562A (en) * | 2020-12-05 | 2021-03-30 | 乐山职业技术学院 | Book transfer device |
| CN112572562B (en) * | 2020-12-05 | 2021-11-23 | 乐山职业技术学院 | Book transfer device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015110116A1 (en) | 2015-07-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |