CN206785286U - Full landform is not fallen terraced - Google Patents
Full landform is not fallen terraced Download PDFInfo
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- CN206785286U CN206785286U CN201720650543.7U CN201720650543U CN206785286U CN 206785286 U CN206785286 U CN 206785286U CN 201720650543 U CN201720650543 U CN 201720650543U CN 206785286 U CN206785286 U CN 206785286U
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Abstract
The utility model provides a kind of full landform and does not fall ladder, and the full landform, which does not fall ladder, to be included：The be hinged ladder of two panels, the be hinged ladder of two panels is respectively first ladder and second ladder being hinged by the first hinge, and first ladder includes：First vertical edge, the second vertical edge；First vertical edge includes：The first main cleat stanchion for being hinged with first hinge, the lower section for being arranged on the described first main cleat stanchion and can first stretching cleat stanchion and the first locking device of sliding of relatively described first main cleat stanchion, the first main cleat stanchion is connected with the first flexible cleat stanchion by the first locking device clamping, and first locking device includes：First location division of protrusion, the first main cleat stanchion or the first flexible cleat stanchion are provided with the first rack being connected with first location division clamping or multiple first grids arranged in strip.In the workplace of injustice, ladder of the present utility model can be stablized and be supported on the working face of injustice, add safety coefficient by flexible.
Description
Technical field
A kind of ladder is the utility model is related to, is adapted to use in various landform, is particularly suitable in various uneven landform
Middle use, i.e., a kind of full landform are not fallen terraced.
Background technology
At present, existing ladder is generally used in plane, but for some workplaces, ground is uneven, ladder
Each fulcrum is not in a plane, and some fulcrums turn into hanging, and safety problem can be present by being worked on ladder.
In summary, problems with the prior art be present：In the occasion that ground is uneven, the fulcrum having of ladder turns into outstanding
Sky, work unsafe problem on ladder.
Utility model content
The utility model provides a kind of ladder, and especially a kind of full landform is not terraced, to solve in the uneven occasion in ground,
The fulcrum having of ladder turns into hanging, and work unsafe problem on ladder.
Therefore, not terraced the utility model proposes a kind of full landform, ladder includes the full landform：The be hinged ladder of two panels
Son, the be hinged ladder of two panels are respectively by the first hinge be hinged first ladder and second ladder, first ladder
Attached bag includes：First vertical edge, the second vertical edge and multiple first horizontal edges being connected between first vertical edge and the second vertical edge；
First vertical edge includes：With first hinge be hinged the first main cleat stanchion, be arranged on the described first main cleat stanchion
Lower section and can the first flexible cleat stanchion and the first locking device for sliding of relatively described first main cleat stanchion, the first main ladder
Post is connected with the first flexible cleat stanchion by the first locking device clamping, and first locking device includes：First positioning of protrusion
Portion, the first main cleat stanchion or the first flexible cleat stanchion be provided with the first rack for being connected with first location division clamping or
Multiple first grids arranged in strip, first rack are provided with multiple parallel teeth, multiple parallel teeth or more
Length direction of individual first grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.
Further, the described first main cleat stanchion is set in outside the described first flexible cleat stanchion, on the described first flexible cleat stanchion
Provided with first rack, the first main cleat stanchion is provided with the first perforate for accommodating the first location division disengaging.
Further, first locking device also includes：The first spanner for being connected with first location division, with it is described
Second hinge of the first spanner connection and the first torsion spring being set on second hinge, wherein, the first spanner tool
There are a first end and the second end, the line at the first end and the second end is the length direction of first spanner, second end
Connect first location division, the first end is press-side, the vertical company at the first end and the second end of second hinge
Line and between the first end and the second end.
Further, first locking device also includes：The first bearing being set on the described first main cleat stanchion, it is described
First spanner and the second hinge are arranged on first bearing.
Further, first bearing includes：First overcoat of tubular, the top of first overcoat, which is provided with, accommodates institute
The second perforate of the first location division disengaging is stated, two first lugs, second perforate are additionally provided with the top of first overcoat
Between described two first lugs, length direction extension of two first lugs along first overcoat, each first
Be respectively equipped with the mounting hole for installing second hinge on lug, second hinge be arranged between two first lugs and
The length direction of vertical first overcoat of second hinge.
Further, the described first main cleat stanchion and/or the first flexible cleat stanchion include the first section bar of rectangle, the cylinder
First overcoat of shape is the tubular of cuboid, and second perforate is rectangle opening, and first location division is the first voussoir,
Along the length direction of the first rack, tight first rack of the first voussoir positive lock, first voussoir reversely can
Slided along first rack.
Further, second perforate is connected and overlapped with first perforate.
Further, ladder also includes the full landform：The lateral support bar set respectively in the both sides of two panels ladder,
The lateral support bar is respectively to be arranged on the first lateral support bar of the side of two panels ladder first and be arranged on two panels ladder the
Second lateral support bar of two sides；The first lateral support bar includes：The second main cleat stanchion for being connected with two panels ladder, it is arranged on
The lower section of the second main cleat stanchion simultaneously can relatively described second main cleat stanchion the second flexible cleat stanchion and the second locking dress that slide
Put, the second main cleat stanchion is connected with the second flexible cleat stanchion by the second locking device clamping, and second locking device includes：
Second location division of protrusion, the second main cleat stanchion or the second flexible cleat stanchion are provided with and connected with second location division clamping
The second rack connect or multiple second grids arranged in strip.
Further, the described second main cleat stanchion is set in outside the described second flexible cleat stanchion, on the described second flexible cleat stanchion
Provided with second rack, second locking device is identical with the structure of first locking device.
Further, the structure of second vertical edge is identical with the structure of first vertical edge, second ladder with
The structure of first ladder is identical.
Full landform of the present utility model does not fall the ladder leg of ladder, such as the first vertical edge and/or the second vertical edge, can stretch
Contracting, and the locking that can be consolidated after stretching, in this way, it is possible in the workplace of injustice, ladder can stablize branch by flexible
Support on the working face of injustice, add safety coefficient.And then the utility model using rack or grid as locking mode,
One is that by the accurate of continuous and adjustable and adjusts repeatedly, elongation, can again recall to and, and elongation is inadequate, can pull out again
A bit, it is thus easy to adjust, second, compared to the locking of existing circular hole bolt-type, rack or grid type lock of the present utility model
Tightly, locking force is bigger, but the destruction to ladder, terraced leg is small, and the stress of terraced leg is grown by along ladder or terraced leg
Spend direction, the tensile force effect when rack or grid on terraced leg, power that rack or grid are born be also along ladder or
Terraced leg length direction, this is the optimum orientation that ladder bears tensile force, i.e. ladder stretching is when being locked, and ladder is along bearing tension
The direction stress of intensity or compression strength maximum, i.e., in the utility model, ladder stretching is not subject to lateral tensile force, is solely subjected to
Axial direction or the tensile force of length direction, so, stretched even across multiple, ladder of the present utility model remains able to well
Normal flexible and support is born, will not be as the locking of circular hole bolt-type, circular hole is through that after a period of time, can turn into stress
The region of concentration, and gradually rupture, cause ladder to be scrapped.So ladder of the present utility model is after flexible, due to stress all the time
Bear the tensile force of axial direction or length direction, it is not easy to damage, still there is longer service life.
And then the utility model coordinates progress one-way locking using voussoir and rack, so, along the length of the first rack
Direction, tight first rack of the first voussoir positive lock, realizes quick locking；In addition, first voussoir reversely can
Slided along first rack, that is, when stretching ladder, Portable power saving.So, it can either ensure that ladder will not be retracted easily,
One-way locking could be released by only artificially opening locking device, the safety of ladder during so as to ensure work, on the other hand, moreover it is possible to make
During stretching, ladder can Rapid stretching in place, improve operating efficiency, shorten ladder adjustment time.
Brief description of the drawings
Fig. 1 be full landform of the present utility model do not fall ladder first angle dimensional structure diagram；
Fig. 2 be full landform of the present utility model do not fall ladder second angle dimensional structure diagram；
Fig. 3 is that full landform of the present utility model does not fall the main structure diagram of ladder；
Fig. 4 is the dimensional structure diagram of first angle of the of the present utility model first flexible cleat stanchion；
Fig. 5 is the dimensional structure diagram of the of the present utility model first main cleat stanchion；
Fig. 6 is the of the present utility model first flexible cleat stanchion side structure schematic view；
Fig. 7 is that the structure that the of the present utility model first flexible cleat stanchion is locked with the first main cleat stanchion by the first locking device is shown
It is intended to；
Fig. 8 is the overall structure diagram of the first locking device of the present utility model；
Fig. 9 is the decomposition texture schematic diagram of first angle of the first locking device of the present utility model；
Figure 10 is the decomposition texture schematic diagram of second angle of the first locking device of the present utility model；
Figure 11 is the side structure schematic view of the first locking device of the present utility model, wherein, eliminate the first spanner；
Figure 12 is the overlooking the structure diagram of the first locking device of the present utility model, wherein, eliminate the first spanner；
Figure 13 is the dimensional structure diagram that the first location division of the present utility model is connected with the first spanner；
Figure 14 is the main structure diagram that the first location division of the present utility model is connected with the first spanner.
Drawing reference numeral explanation：
11st, first ladder, 12, second ladders 13, the first lateral support bar 14, the second lateral support bar
111st, the first vertical edge 112, the second vertical edge 16, the first hinge
The rack 1,130 first of 116 first locking device of the flexible cleat stanchion of 1110 first main cleat stanchions 1,115 first 118 first
Perforate
The first end 1168 of 1161 first location division, 1,162 first spanner, 1,163 second 1,164 first torsion spring of hinge 1167
Second end
The first lug of 117 first 1,170 first overcoat of bearing 1171
119 legs
153rd, third connecting rod 154, fourth link 157, the 5th connecting rod 158, six-bar linkage
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now control illustrates
The utility model.
As shown in Figure 1, Figure 2 and Figure 3, ladder (ladder for being applied to a variety of occasions) wraps full landform of the present utility model
Include：The be hinged ladder of two panels, the be hinged ladder of two panels are respectively first ladder 11 and second being hinged by the first hinge 16
Piece ladder 12, first ladder 11 include：First vertical edge 111, the second vertical edge 112 and it is connected to first vertical edge
And second multiple first horizontal edges between vertical edge；First vertical edge 111 and the second vertical edge 112 are used to be supported on working face, play branch
Support is acted on, and the first horizontal edge is climbed for people；First vertical edge 111 and the second vertical edge 112 and the first horizontal edge can be aluminium, aluminium alloy or
Steel or stainless steel is made, and the connection of the first vertical edge 111 and the first horizontal edge can be riveting or welding；Between the be hinged ladder of two panels
Angle can adjust, can be folded between the be hinged ladder of two panels, it can be suitable for more that full landform of the invention, which does not fall ladder,
The folding ladder of kind occasion；
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, first vertical edge 111 includes：It is hinged with first hinge 16
First main cleat stanchion 1110, the lower section for being arranged on the described first main cleat stanchion and can relatively described first main cleat stanchion slide it is first flexible
The locking device 116 of cleat stanchion 1115 and first, the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first pass through the first locking
The clamping of device 116 connects, and first locking device 116 includes：First location division 1161 of protrusion, the first main cleat stanchion
1110 or described first flexible cleat stanchions 1115 are provided with the first rack 118 being connected with the clamping of the first location division 1161 or are in
Multiple first grids of strip arrangement, first rack 118 are provided with multiple parallel teeth, multiple parallel teeth or more
Length direction of individual first grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.In order to further increase branch
The stability of support, leg 119 is also associated with the bottom of the first flexible cleat stanchion 1115.
As shown in Fig. 9, Figure 10, Figure 13 and Figure 14, the first location division 1161, for example, fixture block, realized with rack or grid
Clamping is locked, and the first location division 1161 is with being that linear contact lay or face contact between rack or grid, thus the stress of rack or grid
Area is larger, in the case of same material so that can be born between the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first
Bigger active force, thus, the stability that ladder works is added, especially in the uneven occasion in ground, every ladder or each
In the case of the unbalance stress of terraced leg (such as the first vertical edge 111 or second vertical edge 112), certain a piece of ladder or terraced leg are possible to hold
By larger heavy burden, if locked using latch or pivot pin or peg type, ladder then can have more than latch or pivot pin or pin is held
By the danger of intensity.The first location division 1161 and the clamping of rack or grid that the utility model uses are locked, by increasing capacitance it is possible to increase card
The contact area connect, increase the stability of support.
And then first rack be provided with multiple equally spaced parallel teeth, multiple equally spaced parallel teeth or more
Length direction of individual equally spaced first grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged, so, can
To realize flexible accurate and adjust repeatedly, extend, can again recall to and, elongation is inadequate, can pull out a bit again, thus tune
Perfect square is just.Because clamping locking is realized in the first location division 1161 and rack or grid, rack or grid have sufficient width, because
And the width of the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 or first can be made full use of to bear to bear a heavy burden.Due to taking full advantage of
First main cleat stanchion 1110 or first stretch cleat stanchion 1115 width, under conditions of intensity is met, it is possible to reduce teeth or
The spacing of grid, the spacing of teeth could be arranged to 0.5mm, 1mm, 2mm or 3mm or several millimeter, can meet the step of various adjustment
Enter requirement and required precision, keep the continuity and accuracy of adjustment, can also cause the first vertical edge 111 or the second vertical edge 112 to protect
The synchronism of adjustment is held, it is also possible that in the case of uneven working face, the first vertical edge 111 or the second vertical edge 112 keep adjusting
Whole independence so that the 112 asynchronous adjustment of the first vertical edge 111 or the second vertical edge, it is non-interference.
Further, the described first main cleat stanchion 1110 is set in outside the described first flexible cleat stanchion 1115, the first main cleat stanchion
1110 vertical connections or the horizontal ladder of lateral connection, the connection of the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first is the first main cleat stanchion
The connection of 1110 length directions, the connection in the two directions be it is separate, so so that the first main cleat stanchion 1110 can be with
Horizontal ladder keeps stable and is fixedly connected, and and can keeps the flexible of relative first flexible cleat stanchion 1115.
As shown in Figure 4, Figure 5 and Figure 6, the described first flexible cleat stanchion 1115 is provided with first rack 118, and described first
Main cleat stanchion 1110, which is provided with, accommodates the first perforate 1130 that first location division 1161 passes in and out, i.e., the first main cleat stanchion 1110 and the
The facing face of one flexible cleat stanchion 1115 is provided with the first perforate 1130, so that the first location division 1161 passes in and out, realizes locking.
The utility model is with the first main cleat stanchion 1110 and horizontal terraced lateral connection, with the first flexible cleat stanchion 1115 in the first main ladder
Move and locked in post 1110, realize the vertical connection of telescopic direction, thus, reasonably it is assigned with flexible point of terraced leg
Work.Further, as shown in Figure 1, Figure 2 and Figure 3, the structure of second vertical edge is identical with the structure of first vertical edge, institute
State that second ladder is identical with the structure of first ladder, i.e. four legs (four vertical edges) of two panels ladder can independently be stretched
Contracting adjustment, moreover, second ladder can be climbed with first ladder, can also be supported.First main cleat stanchion 1110 and
One flexible cleat stanchion 1115 can be with identical, and for example, metal material such as aluminium, aluminium alloy, steel, stainless steel is made, and is easy to teeth or grid
Processing.
Further, as shown in Fig. 8, Fig. 9, Figure 11, Figure 12, Figure 13 and Figure 14, first locking device 116 also wraps
Include：The first spanner 1162 for being connected with first location division 1161, the second hinge 1163 being connected with first spanner, with
And the first torsion spring 1164 on second hinge 1163 is set in, wherein, first spanner has first end 1167 and
Two ends 1168, the line at the end 1168 of first end 1167 and second are the length direction of first spanner 1162, described the
Two ends 1168 connect first location division 1161, and the first end 1167 is press-side, the vertical institute of second hinge 1163
State the line of first end and the second end and between the first end and the second end.Second hinge 1163 has the work of fulcrum
With so that the end 1168 of first end 1167 and second and the second hinge 1163 form a lever, the end of first end 1167 and second
1168 rotate around the second hinge 1163 in stress.First spanner 1162, the second hinge 1163 and the first location division 1161
Material can with identical, such as the material of the first location division 1161 by aluminium, aluminium alloy, etc. metal material be made, be easy to process, also may be used
It is wear-resisting to be made of steel, especially stainless steel, long lifespan.
The utility model is arranged to：In its natural state, i.e., in the state of not being pressed, due to the work of the first torsion spring 1164
With first end 1167 is raised to maximum height, and the second end 1168 is then located at minimum point, and the first location division 1161 extend into first
In perforate 1130, clamping rack or grid；When needing adjustment, first end 1167 is pressed, the second end 1168 is then lifted, and first is fixed
Position portion 1161 departs from from the first perforate 1130 therewith, the first main cleat stanchion 1110 and first stretch cleat stanchion 1115 between then without
Constraint, the first flexible cleat stanchion 1115 can then be slided with respect to the first main cleat stanchion 1110, realized flexible.When stretching to specified location
Afterwards, the pressing to first end 1167 is unclamped, then the first location division 1161 is returned to locking shape in the presence of the first torsion spring 1164
State, it extend into the first perforate 1130.The utility model is pressed with not pressing first end 1167 or first end 1167 not being applied
The state of power is default conditions, and the state is locking state or is one-way locking state, this way it is ensured that not applying manually
Under conditions of power, ladder is one-way locking, can stretch but can not shrink, and so as to ensure that the security of ladder, prevents from missing
Operation.When only meeting the subjective intention that needs shrink, just cause one-way locking states thereof, realize and shrink.
Further, first locking device also includes：The first bearing being set on the described first main cleat stanchion 1110
117, the hinge 1163 of the first spanner 1162 and second is arranged on first bearing 117, so, is easy to the first locking
The fabrication and installation of device, it is easy to keep the consistent and complete of the first main processing of cleat stanchion 1110.
Further, first bearing 117 includes：First overcoat 1170 of tubular, set at the top of first overcoat
There is the second perforate for accommodating the first location division disengaging, two first lugs 1171 be additionally provided with the top of first overcoat,
Second perforate is between described two first lugs 1171, and two first lugs 1171 are along first overcoat 1170
Length direction extension, be respectively equipped with the mounting hole for installing second hinge 1163 in each first lug 1171, described the
Two hinges 1163 are arranged on the mounting hole of two first lugs, and vertical first overcoat of second hinge 1163
1170 length direction.
Further, the described first main cleat stanchion and/or the first flexible cleat stanchion include the first section bar of rectangle, are, for example,
Aluminium section bar or aluminium alloy extrusions or steel profile, so, after the opening for locking is provided with rectangle section bar, it is maintained to
Enough intensity.First overcoat 1170 of the tubular is the tubular of cuboid, is stretched with the first main cleat stanchion and/or described first
The shape of contracting cleat stanchion is corresponding.Second perforate is rectangle opening, and first location division 1161 is the first voussoir or fixture block,
First voussoir is projected as rectangle in vertical first voussoir disengaging direction, and first voussoir has and rack or grid clamping
Acute angle b, the first rack have the teeth being meshed with the acute angle b of straight first voussoir.
Each teeth on first rack are, for example, straight-tooth, i.e., each teeth (crown) are formed in the first flexible cleat stanchion upslide shadow
Parallel a plurality of straight line, the length directions of each teeth are the length direction of the vertical first flexible cleat stanchion, i.e., the extension side of each teeth
To the width for the first flexible cleat stanchion so that the contact with the teeth on the first rack of the first voussoir or clamping are straight line
(or rectangle plane) contacts or clamping.Grid can also be that straight line (or rectangle plane) connects by the contact with the first voussoir or clamping
Touch or clamping, grid are arranged to rectangular grid, also, rectangular grid and the frame of contact or the clamping of the first voussoir are vertical the
The length direction of one flexible cleat stanchion.So, locking force is bigger to obtain, the smaller effect of the destruction to ladder, terraced leg.
Compared to the locking of existing circular hole bolt-type, rack or grid type locking of the present utility model, locking force is bigger,
But the destruction to ladder, terraced leg is smaller, the stress of terraced leg is all by along ladder or terraced leg length direction, the tensile force
When the rack or grid that act on terraced leg, power that rack or grid are born be also along ladder or terraced leg length direction, this
It is the optimum orientation that ladder bears tensile force, i.e. ladder stretching is when being locked, and ladder is along bearing tensile strength or compression strength
Maximum direction stress, i.e., in the utility model, ladder stretching is not subject to lateral tensile force, is solely subjected to axial direction or length direction
Tensile force, so, even across multiple flexible, ladder of the present utility model remains able to bear well normal flexible
And support, will not be as the locking of circular hole bolt-type, circular hole can turn into the region of stress concentration through after a period of time, and
Gradually rupture, causes ladder to be scrapped.So ladder of the present utility model is after flexible, due to stress bear all the time it is axially or long
Spend the tensile force in direction, it is not easy to damage, still there is longer service life.
Wherein, one-way locking refers to following two states：
A：When not pressing first end 1167, along on the length direction of the first rack, the first voussoir positive lock is tight
First rack, when forward direction is directed to recovery the first flexible cleat stanchion of contracting, the first voussoir locks first rack, i.e., is not pressing
When pressing first end 1167, the first flexible cleat stanchion can not shrink；Because the first voussoir has the acute angle b with rack or grid clamping,
Unidirectional i.e. positive locking can thus be realized.
B:First voussoir can reversely slide along first rack, reversely refer to be pulled outwardly the first flexible cleat stanchion
When, the first flexible cleat stanchion is not acted on then by locking, without pressing first end 1167, also can quickly be pulled out.In addition, the first voussoir
With the acute angle b for being all when rack or grid clamping, thus, when the first voussoir reversely moves along rack or grid, first wedge
Angle between block and rack or grid is then obtuse angle (180-b), the first voussoir be on multiple steps of rack or grid not
By the movement of snap action power, only by frictional force, will not be locked, so during stretching ladder, Portable power saving.Due to normal condition
Under, for ladder by the effect of ground supports condition and acting on for gravity, ladder support receives the support force on ground behind ground, because
And can not active drawing, in such manner, it is possible to ensure that ladder will not be retracted easily, and will not be drawn under default conditions stability under loading
To stretch, the safety of ladder during so as to ensure work, on the other hand, moreover it is possible to when making ladder need to be stretched, ladder can be pulled out quickly,
Operating efficiency is improved, shortens the time of ladder adjustment.
Further, second perforate is connected and overlapped with first perforate 1130, i.e., the first main He of cleat stanchion 1110
The first overcoat 1170 thereon is set in same position upper shed, to ensure that the first location division can be continuously in the first main ladder
Passed in and out in the overcoat 1170 of post 1110 and first.
Further, ladder also includes the full landform：The lateral support bar set respectively in the both sides of two panels ladder,
The lateral support bar is respectively to be arranged on the first lateral support bar 13 of the side of two panels ladder first and be arranged on two panels ladder
Second lateral support bar 14 of the second side, to increase the stability of support, increase the security performance of ladder.First lateral support bar
13 and two panels ladder can also be connected by the first hinge 16.Lateral support bar can adjust the angle of opening, can be locked
Tightly, so as to adjusting the angle of support.
First lateral support bar and/or the second lateral support bar can also use and the same or analogous knot of the first vertical edge
Structure, for example, the first lateral support bar includes：The second main cleat stanchion for being connected with two panels ladder, it is arranged on the described second main ladder
The lower section of post and can the second flexible cleat stanchion and the second locking device for sliding of relatively described second main cleat stanchion, second master
Cleat stanchion is connected with the second flexible cleat stanchion by the second locking device clamping, and second locking device includes：The second of protrusion is fixed
Position portion, the second main cleat stanchion or the second flexible cleat stanchion are provided with the second rack being connected with second location division clamping
Or multiple second grids arranged in strip.
Further, the described second main cleat stanchion is set in outside the described second flexible cleat stanchion, on the described second flexible cleat stanchion
Provided with second rack, second locking device is identical with the structure of first locking device.
That is the first lateral support bar and/or the second lateral support bar can use the stretching structure of the first vertical edge and locking to tie
Structure, for example, second locking device also includes：The second spanner being connected with second location division and second spanner
3rd hinge of connection and the second torsion spring being set on the 3rd hinge, second locking device also include：It is arranged
The second bearing on the described second main cleat stanchion, the second main cleat stanchion, which is provided with, accommodates the 3rd of the second location division disengaging
Perforate, second spanner and the 3rd hinge are arranged on second bearing.
Further, second bearing includes：Second overcoat of tubular, the top of second overcoat, which is provided with, accommodates institute
The 4th perforate of the second location division disengaging is stated, second perforate connects with the 3rd perforate, the top of second overcoat
Two the second lugs are additionally provided with, second perforate is between described two second lugs, and two the second lugs are along described
The length direction extension of second overcoat, is respectively equipped with the mounting hole for installing the 3rd hinge on each second lug, and described the
Three hinges are arranged between two the second lugs and the length direction of vertical second overcoat of the 3rd hinge.
Further, the described second main cleat stanchion and/or the second flexible cleat stanchion include the second section bar of rectangle, the cylinder
Second overcoat of shape is the tubular of cuboid, and the 3rd perforate and the 4th perforate are rectangle opening, described second
Location division is the second voussoir, and second voussoir is positive to lock second rack, and second voussoir reversely being capable of edge
Second rack to slide.
So, the utility model enhances the function of the flexible adjustment of lateral support bar so that ladder is except traditional two
Outside the flexible adjustment of piece ladder, moreover it is possible to lateral flexible adjustment is carried out, further increases the adaptation to rough terrain, for example,
Ladder of the present utility model can have 6 fulcrums (four vertical edges and two lateral support bars are respectively as a fulcrum) to be supported on
On working face, the flexible of each fulcrum can be adjusted independently, and four vertical edges and two lateral support bars can carry out independent tune respectively
It is thus whole, it can be stretched according to topographic features progress is different, the operation in field, hillside, fluvial landform can be applicable.
The firm and security of ladder is not fallen in order to further strengthen full landform, and lateral support bar also passes through connecting rod and the respectively
A piece of ladder 11 or second ladder 12 are attached, for example, the second lateral support bar 14 is connected by third connecting rod 153 and the 4th
Bar 154 is connected to the top of second ladder 12, by the 5th connecting rod 157 and six-bar linkage 158, is connected to second ladder 12
Bottom, the second lateral support bar 14 forms small tetrahedral three sides, the second side with third connecting rod 153 and fourth link 154
Big tetrahedral three sides, lateral support bar and each vertical edge are formed to the connecting rod 157 of support bar 14 and the 5th and six-bar linkage 158
Connecting can be realized by the locking device including the first locking device, can also be using other existing locking devices come real
It is existing.So, lateral support bar and each vertical edge are connected firmly, and form the three-dimensional multi-level protection knot for preventing from translating into
Structure.When the flexible adjustment of two panels ladder and lateral support bar, can also prevent a certain fulcrum because flexible inadequate or long and
The caused jiggly problem of support.Similarly, the first lateral support bar 13 is also adopted with first ladder 11 or second ladder 12
Same or like dual linkage is taken to be attached.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.Each part of the present utility model can be mutually combined under conditions of not conflicting, any those skilled in the art,
Do not depart from it is of the present utility model design and principle on the premise of made by equivalent variations and modification, the utility model all should be belonged to
The scope of protection.
Claims (10)
1. a kind of full landform is not fallen terraced, it is characterised in that ladder includes the full landform：The be hinged ladder of two panels, two panels hinge
The ladder connect is respectively first ladder and second ladder being hinged by the first hinge, and first ladder includes：The
One vertical edge, the second vertical edge and multiple first horizontal edges being connected between first vertical edge and the second vertical edge；
First vertical edge includes：With first hinge be hinged the first main cleat stanchion, be arranged under the described first main cleat stanchion
The first flexible cleat stanchion and the first locking device that the relatively described first main cleat stanchions of Fang Bingneng slide, the first main cleat stanchion with
First flexible cleat stanchion is connected by the first locking device clamping, and first locking device includes：First location division of protrusion, institute
The first main cleat stanchion or the first flexible cleat stanchion are stated provided with the first rack being connected with first location division clamping or in bar
Multiple first grids of shape arrangement, first rack are provided with multiple parallel teeth, multiple parallel teeth or multiple the
Length direction of one grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.
2. full landform as claimed in claim 1 is not fallen terraced, it is characterised in that the first main cleat stanchion is set in described first and stretched
Outside contracting cleat stanchion, the described first flexible cleat stanchion is provided with first rack, and the first main cleat stanchion is provided with receiving described the
First perforate of one location division disengaging.
3. full landform as claimed in claim 2 is not fallen terraced, it is characterised in that first locking device also includes：With it is described
First spanner of the first location division connection, the second hinge for being connected with first spanner and it is set in second hinge
On the first torsion spring, wherein, first spanner has a first end and the second end, and the line at the first end and the second end is institute
State the length direction of the first spanner, second end connects first location division, and the first end is press-side, and described second
The vertical line at the first end and the second end and between the first end and the second end of hinge.
4. full landform as claimed in claim 3 is not fallen terraced, it is characterised in that first locking device also includes：It is set in
The first bearing on the first main cleat stanchion, first spanner and the second hinge are arranged on first bearing.
5. full landform as claimed in claim 4 is not fallen terraced, it is characterised in that first bearing includes：Outside the first of tubular
Set, the top of first overcoat are provided with the second perforate for accommodating the first location division disengaging, the top of first overcoat
Two first lugs are additionally provided with, second perforate is between described two first lugs, and two first lugs are along described
The length direction extension of first overcoat, is respectively equipped with the mounting hole for installing second hinge in each first lug, and described the
Two hinges are arranged between two first lugs and the length direction of vertical first overcoat of second hinge.
6. landform as claimed in claim 5 complete does not fall ladder, it is characterised in that the first main cleat stanchion and/or described first stretches
Contracting cleat stanchion includes the first section bar of rectangle, and the first overcoat of the tubular is the tubular of cuboid, and second perforate is square
Shape perforate, first location division is the first voussoir, along the length direction of the first rack, the tight institute of the first voussoir positive lock
The first rack is stated, first voussoir can reversely slide along first rack.
7. full landform as claimed in claim 5 is not fallen terraced, it is characterised in that second perforate connects with first perforate
And overlap.
8. full landform is not fallen terraced as claimed in claim 1, it is characterised in that ladder also includes the full landform：In two panels
The lateral support bar that the both sides of ladder are set respectively, the lateral support bar are respectively to be arranged on the first of the side of two panels ladder first
Lateral support bar and the second lateral support bar for being arranged on the side of two panels ladder second；The first lateral support bar includes：With
Second main cleat stanchion of two panels ladder connection, the lower section for being arranged on the described second main cleat stanchion and can relatively described second main cleat stanchion slip
The second flexible cleat stanchion and the second locking device, the second main cleat stanchion passes through the second locking device with second cleat stanchion that stretches
Clamping connects, and second locking device includes：Second location division of protrusion, the second main cleat stanchion or second extension ladder
Post is provided with the second rack being connected with second location division clamping or multiple second grids arranged in strip.
9. full landform as claimed in claim 8 is not fallen terraced, it is characterised in that the second main cleat stanchion is set in described second and stretched
Outside contracting cleat stanchion, the described second flexible cleat stanchion is provided with second rack, second locking device and the described first locking
The structure of device is identical.
10. full landform as claimed in claim 1 is not fallen terraced, it is characterised in that the structure of second vertical edge and described first
The structure of vertical edge is identical, and second ladder is identical with the structure of first ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650543.7U CN206785286U (en) | 2017-06-06 | 2017-06-06 | Full landform is not fallen terraced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650543.7U CN206785286U (en) | 2017-06-06 | 2017-06-06 | Full landform is not fallen terraced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785286U true CN206785286U (en) | 2017-12-22 |
Family
ID=60716284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720650543.7U Active CN206785286U (en) | 2017-06-06 | 2017-06-06 | Full landform is not fallen terraced |
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| Country | Link |
|---|---|
| CN (1) | CN206785286U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246236A (en) * | 2017-06-06 | 2017-10-13 | 黄崇华 | Full landform is not fallen terraced |
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
-
2017
- 2017-06-06 CN CN201720650543.7U patent/CN206785286U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
| CN107246236A (en) * | 2017-06-06 | 2017-10-13 | 黄崇华 | Full landform is not fallen terraced |
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