CN206785287U - Family expenses do not fall terraced - Google Patents
Family expenses do not fall terraced Download PDFInfo
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- CN206785287U CN206785287U CN201720650991.7U CN201720650991U CN206785287U CN 206785287 U CN206785287 U CN 206785287U CN 201720650991 U CN201720650991 U CN 201720650991U CN 206785287 U CN206785287 U CN 206785287U
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- ladder
- cleat stanchion
- support bar
- hinge
- lateral support
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Abstract
The utility model provide a kind of family expenses fall ladder, including：The two panels ladder being hinged by hinge hinge, first ladder include：First vertical edge, the second vertical edge and multiple horizontal edges, ladder also includes the family expenses：The the first lateral support bar for being arranged on the side of two panels ladder first and the second lateral support bar for being arranged on the side of two panels ladder second；The first lateral support bar and the second lateral support bar are hinged on the hinge hinge by articulated structure respectively；The articulated structure includes：The supporting leg axle sleeve being set on the hinge hinge that can be rotated and the supporting leg connecting shaft radially across the supporting leg axle sleeve, the axis of the vertical supporting leg axle sleeve of the axis of the supporting leg connecting shaft, the supporting leg is hinged on supporting leg axle sleeve by supporting leg connecting shaft, and the supporting leg is hinged on the hinge hinge by the supporting leg axle sleeve.The utility model adds security.
Description
Technical field
A kind of ladder is the utility model is related to, especially a kind of double ladder, specially a kind of family expenses do not fall terraced.
Background technology
Household ladder is mainly used on indoor smooth working face, and at present, conventional household ladder is double ladder.Double ladder is by two
Piece ladder forms, and first ladder is provided with horizontal ladder or pedal, is climbed for people, second ladder is the support of support, does not supply people to climb
Climb, play a part of to support first ladder.Double ladder folding convenient, but it is not firm enough, easily fall down at work.
In summary, problems with the prior art be present：Double ladder is not firm enough, easily falls down at work.
Utility model content
The utility model provides a kind of ladder, and for example, family expenses do not fall terraced, not firm enough to solve double ladder, easily in work
The problem of being fallen down in work.
Ladder includes family expenses of the present utility model：The two panels ladder being hinged by hinge hinge, the be hinged ladder of two panels
Respectively first ladder and second ladder, first ladder and second ladder be hinged to form double ladder, and described the
A piece of ladder includes：First vertical edge, the second vertical edge and the multiple horizontal strokes being connected between first vertical edge and the second vertical edge
Side, second ladder are the support for supporting first ladder；
Ladder also includes the family expenses：It is arranged on the first lateral support bar of the side of two panels ladder first and is arranged on
Second lateral support bar of the side of two panels ladder second；The first lateral support bar and the second lateral support bar pass through respectively
Articulated structure is hinged on the hinge hinge；
The articulated structure includes：Can rotate the supporting leg axle sleeve being set on the hinge hinge and radially across institute
State the supporting leg connecting shaft of supporting leg axle sleeve, the axis of the vertical supporting leg axle sleeve of the axis of the supporting leg connecting shaft, institute
State the first lateral support bar or the second lateral support bar is hinged on supporting leg axle sleeve by supporting leg connecting shaft, and institute
State the first lateral support bar or the second lateral support bar is hinged on the hinge hinge by the supporting leg axle sleeve.
Further, first vertical edge includes：The first main cleat stanchion for being hinged with the hinge hinge, it is arranged on described the
The lower section of one main cleat stanchion and can the first flexible cleat stanchion and cleat stanchion locking device for sliding of relatively described first main cleat stanchion, it is described
First main cleat stanchion is connected with the first flexible cleat stanchion by the cleat stanchion locking device clamping.
Further, the cleat stanchion locking device includes：First location division of protrusion, the first main cleat stanchion or described the
One flexible cleat stanchion is provided with the first rack being connected with first location division clamping or multiple first grids arranged in strip,
First rack is provided with multiple parallel teeth, multiple parallel teeth or multiple first grids along the described first main ladder
The length direction arrangement of post or the first flexible cleat stanchion.
Further, the described first main cleat stanchion and the first flexible cleat stanchion are rectangle or circle.
Further, the first lateral support bar includes：The second main cleat stanchion for being connected with two panels ladder, be arranged on it is described
The lower section of second main cleat stanchion and can relatively described second main cleat stanchion the second flexible cleat stanchion and support rod locking device that slide,
The second main cleat stanchion is with the second flexible cleat stanchion by supporting rod locking device clamping to be connected.
Further, the described second main cleat stanchion and the second flexible cleat stanchion are rectangle or circle, the support rod locking device
For alignment pin.
Further, ladder also includes the family expenses：
First connecting rod, it is movably connected between first ladder and the first lateral support bar；
Second connecting rod, it is movably connected between second ladder and the first lateral support bar；
The first locking device of the first connecting rod and second connecting rod is locked, connects the first connecting rod and second connecting rod；
First locking device is arranged on the first lateral support bar.
Further, the end of the hinge hinge is provided with positive stop lug boss, and one end of the axle sleeve is provided with pilot hole, described
Axle sleeve is set on the hinge hinge by pilot hole, and the radial dimension of the positive stop lug boss is more than the hole of pilot hole
Footpath, the other end of the axle sleeve offer open slot, and the supporting leg connecting shaft passes perpendicularly through the opening of open slot, the support
The top of leg is provided with the connecting portion being hinged with the supporting leg connecting shaft, and the connecting portion can be rotatably arranged at the open slot
In.
Further, the first connecting rod has the second of both ends, the respectively first end of first connecting rod and first connecting rod
End, the first end of the first connecting rod are fixedly connected on first ladder, the slidable company in the second end of first connecting rod
It is connected on the first lateral support bar；The second connecting rod has both ends, and the respectively first end of second connecting rod and first connects
Second end of bar, the first end of the second connecting rod are fixedly connected on second ladder, the second end energy of second connecting rod
That slides is connected on the first lateral support bar；First locking device is slidable to be arranged on the first lateral support bar
On, first locking device connects the first connecting rod and second connecting rod simultaneously.
Further, first locking device includes：
First lock sleeve, it is set on the first lateral support bar, first lock sleeve is the annular with opening,
First lock sleeve has the first lock sleeve first end and first the second end of lock sleeve；The opening is arranged on first lock
Between tight set first end and first the second end of lock sleeve；
The regulating bolt of the openings of sizes is controlled, through the opening, and is connected to first lock sleeve first
Between end and first the second end of lock sleeve；The length side of the vertical first lateral support bar of the length direction of the regulating bolt
To；The head end of the regulating bolt is nut, and the tail end of the regulating bolt is screw rod end；
The hinge of locking device, is arranged on the tail end of the regulating bolt, the vertical tune of the length direction of the hinge
Save the length direction of bolt and the length direction of the parallel first lateral support bar；
Eccentric cam, is hinged on the hinge of the locking device and the outer rim of eccentric cam is pressed on first lock
On the lateral surface at the end of tight set second；
Handle, connect the eccentric cam；
Returning spring is locked, is set in the regulating bolt and positioned at the first lock sleeve first end and the first lock
Between the end of tight set second.
Side of the ladder is hinged on hinge hinge family expenses of the present utility model to provided with support bar, two panels ladder, support bar
It is hinged on respectively by articulated structure on the hinge hinge, is hinged, adds so that double ladder can form triadius type
The lateral support of double ladder, so as to add the lateral stability of double ladder, add the safety guarantee of double ladder work.
And then connected respectively by first connecting rod with second connecting rod between the be hinged ladder of two panels, so, add first
The stability of lateral support bar, add between the be hinged ladder of the first lateral support bar and two panels the stability of internal connection and
Intensity, and then, by the first locking device to the first lateral support bar and ladder main, i.e., carried out between the be hinged ladder of two panels
Locking, arbitrarily opens, reduces potential safety hazard in use so as to avoid the first lateral support bar.
And then the first vertical edge, the first connecting rod and the first lateral support bar of first ladder form triangle,
Firm attachment structure can be formed, adds the security of ladder.Meanwhile the triangle is changeability, thus, the first lock
Tight device realizes length locking and angle locking, realizes the multifunctionality of locking.
And then the ladder leg of first ladder of the utility model, such as the first vertical edge and/or the second vertical edge, it can stretch
Contracting, and the locking that can be consolidated after stretching, in such manner, it is possible to adapt to the adjustment of ladder working depth, add ladder work
Flexibility.And can be in the workplace of injustice, ladder can be stablized and be supported on the working face of injustice by flexible, increase
Safety coefficient.
And then the ladder leg of first ladder of the utility model it is flexible using rack or grid as locking mode, one
It is that by the accurate of continuous and adjustable and adjusts repeatedly, extend, can again recall to and, elongation is inadequate, can pull out one again
Point, thus it is easy to adjust, and second, compared to the locking of existing circular hole bolt-type, rack or grid type of the present utility model are locked,
Locking force is bigger, but the destruction to ladder, terraced leg is small, and the stress of terraced leg is all by along ladder or terraced leg length side
To, the tensile force effect when the rack or grid on terraced leg, the power that rack or grid are born is 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 tensile strength
Or the direction stress that compression strength is 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 bear well
Normal flexible and support, will not be as the locking of circular hole bolt-type, and circular hole is through that after a period of time, can turn into stress concentration
Region, and gradually rupture, cause ladder to be scrapped.So ladder of the present utility model is after flexible, because stress is born all the time
Axial direction or the tensile force of 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 family expenses of the present utility model fall ladder main view direction dimensional structure diagram；
Fig. 2 be family expenses of the present utility model fall ladder rear apparent direction dimensional structure diagram；
Fig. 3 be family expenses of the present utility model fall ladder side view；
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 be family expenses of the present utility model fall ladder top 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 cleat stanchion locking device is shown
It is intended to；
Fig. 8 is the overall structure diagram of cleat stanchion locking device of the present utility model；
Fig. 9 is the decomposition texture schematic diagram of first angle of cleat stanchion locking device of the present utility model；
Figure 10 is the decomposition texture schematic diagram of second angle of cleat stanchion locking device of the present utility model；
Figure 11 is the side structure schematic view of cleat stanchion locking device of the present utility model, wherein, eliminate the first spanner；
Figure 12 is the overlooking the structure diagram of cleat stanchion 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；
Figure 15 diagrammatically illustrates to be tied according to the hinge hinge of the utility model embodiment and the three-dimensional of supporting leg connecting shaft
Structure；
Figure 16 diagrammatically illustrates the section view knot of the hinge hinge and supporting leg connecting shaft according to the utility model embodiment
Structure；
Figure 17 is the structural representation of the first locking device of the present utility model.
Drawing reference numeral explanation：
11st, first ladder, 12, second ladders 13, the first lateral support bar 14, the second lateral support bar 151,
First connecting rod 152, second connecting rod 153, third connecting rod 154, fourth link 111, the first vertical edge 112, the second vertical edge 113
Horizontal edge
The rack 1,130 first of 116 cleat stanchion 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
2nd, the first locking device 20, the first lock sleeve 21, regulating bolt 22, hinge 23, eccentric cam 24, handle
25th, returning spring 201, opening are locked
The pilot hole of 30 hinge hinge, 33 supporting leg axle sleeve, 34 supporting leg, 35 connecting shaft connecting portion, 305 positive stop lug boss 335
333 open slots
40 terminations (handle)
The connecting rod of 123 connecting rod 125
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, shown in Fig. 3 and Fig. 6, ladder includes family expenses of the present utility model：It is be hinged by hinge hinge 30
Two panels ladder, the be hinged ladder of two panels is respectively first ladder 11 and second ladder 12, first ladder 11 He
Second ladder 12 is be hinged to form double ladder, and the top of first ladder 11 is the termination (handle) 40 of closing, plays handle
Effect；
First ladder 11 includes：First vertical edge 111, the second vertical edge 112 and be connected to first vertical edge and
Multiple horizontal edges 113 between second vertical edge, second ladder 12 are, for example, the support for supporting first ladder 11；The
A piece of ladder is provided with horizontal ladder or pedal, is climbed for people, and second ladder 12 is, for example, the support supported, does not supply people to climb, and plays branch
Support the effect of first ladder；Second ladder 12 has two vertical edges (supporting leg) being supported on working face, two vertical edges
(supporting leg) is connected by the connecting rod 123 laterally set, and connecting rod 123 plays the steady of two vertical edges (supporting leg) of connection and reinforcement
Qualitatively act on, in order to mitigate the overall weight of ladder, connecting rod 123 is done thinner, it is impossible to supports people, it is impossible to climbed for people；
Certainly, if considered for firm, it is also possible that the comparison that connecting rod 123 is done is thick, can be manned；First ladder 11 and
Connecting rod 125 is additionally provided between two ladders 12, connecting rod 125 is hinged between first ladder 11 and second ladder 12, played
Control the effect of two panels ladder open angle；
Ladder also includes the family expenses：It is arranged on the first lateral support bar 13 of the side of two panels ladder first and sets
The second lateral support bar 14 in the side of two panels ladder second；The first lateral support bar and the second lateral support bar difference
It is hinged on by articulated structure on the hinge hinge 30；First lateral support bar 13 is located at first ladder 11 and second ladder
Outside the rectangular parallelepiped space of the formation of son 12 or trapezoidal shape space, the second lateral support bar 14 also is located at first ladder 11 and second
Outside the rectangular parallelepiped space of the formation of piece ladder 12 or trapezoidal shape space；
As shown in Figure 15 and Figure 16, the articulated structure includes：The branch being set on the hinge hinge 30 that can be rotated
Support leg axle sleeve 33 and the supporting leg connecting shaft 34 radially across the supporting leg axle sleeve 33, the axis of the supporting leg connecting shaft 34
It is consistent with the axis of hinge hinge 30, but the axis of the vertical supporting leg axle sleeve 33 of the axis of the supporting leg connecting shaft 34,
The first lateral support bar or the second lateral support bar are hinged on supporting leg axle sleeve 33 by supporting leg connecting shaft 34,
The first lateral support bar or the second lateral support bar are hinged on the hinge hinge by the supporting leg axle sleeve 33
On 30.It is, articulated structure of the present utility model is different from original two-opening type hinge, articulated structure of the present utility model is real
Showed hinge three open so that the axis of the vertical supporting leg axle sleeve 33 of the axis of supporting leg connecting shaft 34, are rotated
The change in direction, it is hinged on the lateral of two-opening type ladder for supporting leg and provides structure guarantee.Supporting leg axle sleeve 33 can be circle
Shape sleeve, or cuboid sleeve.
Further, as shown in Figure 15 and Figure 16, the end of the hinge hinge 30 is provided with positive stop lug boss 305, the axle
One end of set 33 is provided with pilot hole 335, and the axle sleeve 33 is set on the hinge hinge 30 by pilot hole 335, and institute
The radial dimension for stating positive stop lug boss 305 is more than the aperture of pilot hole 335, blocks the axle sleeve 33 and is slided from the end of hinge hinge 30
Go out.Open slot 333 is offered on the axle sleeve 33, the supporting leg connecting shaft 34 passes perpendicularly through the opening of open slot 333, described
The top of supporting leg is provided with the connecting portion 35 being hinged with the supporting leg connecting shaft, and the connecting portion 35 can be 34 turns around connecting shaft
It is dynamic, it is arranged in the open slot 33.
Two support bars are respectively supported at the both sides of double ladder, can prevent ladder from toppling over to either side, ensure people
The safety of member's operation.In addition, they sup-port, on the hinge hinge of ladder, the position of support has reached the sustainable of ladder
Extreme higher position, in terms of the overall amechanical angle of ladder, the support of whole ladder is the most stable, it is not easy to sideways.
And then support bar of the present utility model with two panels ladder is connected by the hinge of multi-direction opening, each support
Bar can rotate freely in the hemi-sphere range of every side, both can be around hinge hinge according to first ladder and second ladder
Opening direction rotation, can also vertical first ladder and second ladder opening direction rotation, can also a front and rear left side up and down
It is right with various Arbitrary Rotations, so, during deploying or packing up support bar, pass through different directions and different angle
Rotation, the work on the spot environment of complexity can be avoided, get around the barrier of the various barriers or diverse location in narrow space,
Realize expansion or pack up quick and easy.
And then the utility model is by the way of a support bar is set per side so that lateral supporting plane is three
It is angular, the stabilization of ladder is added to greatest extent.
Further, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 6, the family expenses, which do not fall ladder, also to be included：
First connecting rod 151, it is movably connected between the lateral support bar 13 of first ladder 11 and first；For example, the
One connecting rod 151 is slidable to be connected between the lateral support bar 13 of first ladder 11 and first；
Second connecting rod 152, it is movably connected between the lateral support bar 13 of second ladder 12 and first；For example, the
Two connecting rods 152 are slidable to be connected between the lateral support bar 13 of second ladder 12 and first；
The first locking device 2 of the first connecting rod and second connecting rod is locked, connects the first connecting rod and second connecting rod；
First connecting rod or second connecting rod can share a locking device locking；
First locking device 2 is arranged on the first lateral support bar.First lateral support bar and ladder main,
Connected respectively by first connecting rod with second connecting rod between the be hinged ladder of two panels, so, add the first lateral support bar
Stability, add the stability and intensity of internal connection between the be hinged ladder of the first lateral support bar and two panels, and then,
By the first locking device to the first lateral support bar and ladder main, i.e., locked between the ladder that two panels is hinged, so as to
Avoid the first lateral support bar arbitrarily to open in use, reduce potential safety hazard.Similarly, the second lateral support bar 14 passes through
Third connecting rod 153 and fourth link 154 are flexibly connected two panels ladder, accomplish symmetrical, have a safety feature；
Further, the first connecting rod 151 has both ends, and the respectively first end (upper end) of first connecting rod and first connects
The second end (lower end) of bar, the first end of the first connecting rod are fixedly connected on first ladder 11, first connecting rod
Second end is slidable to be connected on the first lateral support bar；The second connecting rod 12 has both ends, and respectively second connects
The first end (upper end) of bar and the second end (lower end) of first connecting rod, the first end of the second connecting rod are fixedly connected on described
On two ladders, the second end of second connecting rod is slidable to be connected on the first lateral support bar；The first locking dress
Put 2 it is slidable be arranged on the first lateral support bar 13, first locking device 2 connects the first connecting rod 151 simultaneously
With second connecting rod 152.
Only slidable first locking device 2 need to be set on the first lateral support bar 13, you can avoid first
The chute or track for rod slide are opened up on piece ladder and second ladder, reduces the link of manufacture and installation, Er Qieneng
Enough by the operation on the first lateral support bar to the first locking device, while first connecting rod and second connecting rod are controlled, accomplished
Kill two birds with one stone, accomplish quick control and locking.
Further, as shown in figure 17, first locking device includes：
First lock sleeve 20, elastic it can be set on the first lateral support bar 13, can be with the first lock sleeve 20
The rotating shaft being connected with first connecting rod, and the rotating shaft connected with second connecting rod are set respectively, and first connecting rod and second connecting rod can
Relative to the independent rotation of the first lock sleeve 20；First lock sleeve is the annular with opening 201, for example, with opening 201
Rectangle annular, the first lock sleeve 20 can be provided with lug on the outer wall of the offside of opening 201, for setting respectively and the
The rotating shaft of one connecting rod connection, and the rotating shaft connected with second connecting rod；
First lock sleeve has the first lock sleeve first end and first the second end of lock sleeve；The opening 201 is set
Between the first lock sleeve first end and first the second end of lock sleeve；When the opening 201 of the first lock sleeve 20 is loosened, the
There is space, the first lock sleeve 20 can be described first between the outer wall of the inwall of one lock sleeve 20 and the first lateral support bar 13
Slided on lateral support bar 13；When the opening of the first lock sleeve 20 is tightened up, the inwall of the first lock sleeve 20 and the first lateral branch
Space between the outer wall of strut 13 eliminates or reduced, the outer wall phase of the inwall of the first lock sleeve 20 and the first lateral support bar 13
Fitting is pushed against, and the two forms static friction so that the first lock sleeve 20 is fixed on the first lateral support bar 13, forms lock
Tightly；
The regulating bolt 21 of 201 sizes of the opening is controlled, through the opening 201, and is connected to first lock
Between the first end of tight set 20 and first the second end of lock sleeve；The vertical described first lateral branch of the length direction of the regulating bolt 21
The length direction of strut 13；The head end of the regulating bolt is nut, and the tail end of the regulating bolt is screw rod end；
The hinge 22 of locking device, is arranged on the tail end of the regulating bolt 21, and the length direction of the hinge 22 is vertical
The length direction of the length direction of the regulating bolt and the parallel first lateral support bar 13；
Eccentric cam 23, be hinged on the hinge 22 of the locking device and the outer rim of eccentric cam 23 be pressed on it is described
On the lateral surface at first the second end of lock sleeve；
Handle 24, connect the eccentric cam 23；
Returning spring 25 is locked, is set in the regulating bolt 22 and positioned at the first lock sleeve first end and the
Between one the second end of lock sleeve.
Handle 24 is pulled with hand, drives eccentric cam 23 to be rotated around hinge 22, during eccentric cam 23 rotates, is driven
The advance and retreat of regulating bolt 21, so as to have adjusted the size of opening 201, thus, when the opening of the first lock sleeve 20 is tightened up, first
Space between the outer wall of the inwall of lock sleeve 20 and the first lateral support bar 13 eliminates or reduced, the inwall of the first lock sleeve 20
Fit or push against with the outer wall of the first lateral support bar 13, the two forms static friction so that the first lock sleeve 20 is fixed on institute
State on the first lateral support bar 13, form the locking of each connecting rod.Returning spring 25, for example, compression spring are locked, plays automatic return
Multiple effect, in favor of auto lock.By the first locking device with cam, bolt and spring reset structure, can realize
Quick adjustment, rapid translating, locking is firm, the effect of auto lock, adds security.
Further, first locking device 2 is located at the lower section of the first end of the first connecting rod 151, and is located at
The lower section of the first end of the second connecting rod 152.So, after staff descends on a ladder, can be achieved on the ground
Locking or unblock, it is not necessary to which it is to lock or unlock to climb to ladder again, ensure that the firm and safety of ladder before ladder, ensure that down
The convenience that ladder is packed up after ladder.
Further, as shown in Fig. 3, Fig. 4, Fig. 5, Fig. 7, first vertical edge 111 includes：Cut with scissors with the hinge hinge 30
The first main cleat stanchion 1110 for connecing, the lower section for being arranged on the described first main cleat stanchion and can relatively described first main cleat stanchion slide first
Flexible cleat stanchion 1115 and cleat stanchion locking device 116, the first main cleat stanchion 1110 is with the first flexible cleat stanchion 1115 by described
The clamping of cleat stanchion locking device 116 connects.
Further, the first vertical edge 111 and the second vertical edge 112 and the first horizontal edge can be aluminium, aluminium alloy or steel or not
Rust steel is made, and the connection of the first vertical edge 111 and the first horizontal edge can be riveting or welding；The first main cleat stanchion and first stretches
Cleat stanchion is rectangle or the aluminum or aluminum alloy section bar of circle.Selected as one kind, the first vertical edge 111 and the second vertical edge 112 can be only
Vertical flexible, second ladder is no longer flexible.
Further, the described first main cleat stanchion and the first flexible cleat stanchion are rectangular aluminum or aluminium alloy extrusions, as shown in figure 9,
The cleat stanchion locking device includes：First location division 1161 of protrusion, the first main cleat stanchion 1110 or first extension ladder
Post 1115 is provided with the first rack 118 being connected with the clamping of the first location division 1161 or the multiple first grids arranged in strip
Lattice, first rack 118 are provided with multiple parallel teeth, multiple parallel teeth or multiple first grids along described
The length direction arrangement of one main cleat stanchion or the first flexible cleat stanchion.
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, the first location division 1161, for example, fixture block, with tooth
Bar or grid realize that clamping is locked, and the first location division 1161 is with being that linear contact lay or face contact between rack or grid, thus rack
Or the lifting surface area of grid is larger, in the case of same material so that the first main cleat stanchion 1110 and first stretches cleat stanchion 1115
Between can bear bigger active force, thus, add the stability of ladder work, especially in the uneven occasion in ground,
In the case of the unbalance stress of every ladder or each terraced leg (such as the first vertical edge 111 or second vertical edge 112), certain a piece of ladder or
Terraced leg is possible to bear larger heavy burden, if locked using latch or pivot pin or peg type, ladder can then have more than latch or
The danger of pivot pin or pin bearing strength.The first location division 1161 and the clamping of rack or grid that the utility model uses are locked
Tightly, by increasing capacitance it is possible to increase the contact area of clamping, 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, the described first flexible cleat stanchion 1115 is provided with first rack 118, the first main ladder
Post 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 is stretched with first
The facing face of contracting 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, the cleat stanchion 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, the cleat stanchion 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 cleat stanchion to lock
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, the first lateral support bar includes：The second main cleat stanchion for being connected with two panels ladder, be arranged on it is described
The lower section of second main cleat stanchion and can relatively described second main cleat stanchion the second flexible cleat stanchion and support rod locking device that slide,
The second main cleat stanchion is with the second flexible cleat stanchion by supporting rod locking device clamping to be connected.It is, the first lateral support bar
Top be provided with the first locking device 2, the opening amplitude for locking support bar angle；The lower section of first lateral support bar is provided with
Rod locking device is supported, for the flexible of locking support bar；First lateral support bar is provided with two kinds of locking devices, realizes not
Same locking needs, and takes full advantage of space.
Further, the described second main cleat stanchion and the second flexible cleat stanchion are rectangle or circle, the support rod locking device
For alignment pin, the pin-and-hole for alignment pin insertion is respectively equipped with the second main cleat stanchion and the second flexible cleat stanchion, the second main cleat stanchion with
After pin-and-hole alignment on second flexible cleat stanchion, alignment pin is inserted, that is, realizes locking.Double ladder is so mainly in view of in family expenses ring
In border, lateral support bar mainly plays security protection, and the power born is smaller, is realized using circular pin and circular alignment pin
Locking, being generally capable of the support of double ladder needs.Two kinds of locking devices on first lateral support bar, function and structure
It is different, play the space multistory advantage of lateral support bar so that lateral support bar not only there is lateral support to play peace
The effect of full guard, moreover it is possible to accomplish to lock the effect of opening angle and collapsing length respectively.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.It can be mutually combined under conditions of not conflicting for each part of the present utility model, any those skilled in the art,
Made equivalent variations and modification, it is new all should to belong to this practicality on the premise of design of the present utility model and principle is not departed from
The scope of type protection.
Claims (10)
1. a kind of family expenses do not fall terraced, it is characterised in that ladder includes the family expenses：The two panels ladder being hinged by hinge hinge
Son, the be hinged ladder of two panels is respectively first ladder and second ladder, and first ladder and second ladder are hinged
Double ladder is formed, first ladder includes：First vertical edge, the second vertical edge and it is connected to first vertical edge and second
Multiple horizontal edges between vertical edge, second ladder are the support for supporting first ladder；
Ladder also includes the family expenses：It is arranged on the first lateral support bar of the side of two panels ladder first and is arranged on two panels
Second lateral support bar of the side of ladder second；The first lateral support bar and the second lateral support bar are respectively by be hinged
Structure is hinged on the hinge hinge；
The articulated structure includes：Can rotate the supporting leg axle sleeve being set on the hinge hinge and radially across the branch
The supporting leg connecting shaft of support leg axle sleeve, the axis of the vertical supporting leg axle sleeve of the axis of the supporting leg connecting shaft, described
One lateral support bar or the second lateral support bar are hinged on supporting leg axle sleeve by supporting leg connecting shaft, and described
One lateral support bar or the second lateral support bar are hinged on the hinge hinge by the supporting leg axle sleeve.
2. family expenses as claimed in claim 1 do not fall terraced, it is characterised in that first vertical edge includes：With the hinge hinge
Be hinged the first main cleat stanchion, the lower section for being arranged on the described first main cleat stanchion and can first stretching of sliding of relatively described first main cleat stanchion
Contracting cleat stanchion and cleat stanchion locking device, the first main cleat stanchion and the first flexible cleat stanchion pass through the cleat stanchion locking device clamping
Connection.
3. family expenses as claimed in claim 2 do not fall terraced, it is characterised in that the cleat stanchion locking device includes：The first of protrusion
Location division, the first main cleat stanchion or the first flexible cleat stanchion are provided with the first tooth being connected with first location division clamping
Bar or multiple first grids arranged in strip, first rack are provided with multiple parallel teeth, multiple parallel teeth
Or length direction of multiple first grids along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.
4. family expenses as claimed in claim 2 do not fall ladder, it is characterised in that the first main cleat stanchion and the first flexible cleat stanchion are square
Shape or circle.
5. family expenses as claimed in claim 1 do not fall terraced, it is characterised in that the first lateral support bar includes：With two panels ladder
Second main cleat stanchion of son connection, the lower section for being arranged on the described second main cleat stanchion and can relatively described second main cleat stanchion slip second
Flexible cleat stanchion and support rod locking device, the second main cleat stanchion and the second flexible cleat stanchion are by supporting rod locking device card
Connect in succession.
6. family expenses as claimed in claim 5 fall ladder, it is characterised in that the second main cleat stanchion with second stretch cleat stanchion be square
Shape or circle, the support rod locking device is alignment pin.
7. family expenses as claimed in claim 1 do not fall terraced, it is characterised in that ladder also includes the family expenses：
First connecting rod, it is movably connected between first ladder and the first lateral support bar；
Second connecting rod, it is movably connected between second ladder and the first lateral support bar；
The first locking device of the first connecting rod and second connecting rod is locked, connects the first connecting rod and second connecting rod；
First locking device is arranged on the first lateral support bar.
8. family expenses as claimed in claim 1 do not fall terraced, it is characterised in that the end of the hinge hinge is provided with positive stop lug boss,
One end of the axle sleeve is provided with pilot hole, and the axle sleeve is set on the hinge hinge by pilot hole, and described spacing
The radial dimension of boss is more than the aperture of pilot hole, and the other end of the axle sleeve offers open slot, the supporting leg connecting shaft
The opening of open slot is passed perpendicularly through, the top of the supporting leg is provided with the connecting portion being hinged with the supporting leg connecting shaft, described
Connecting portion can be rotatably arranged in the open slot.
9. family expenses as claimed in claim 7 do not fall terraced, it is characterised in that the first connecting rod has both ends, respectively first
The first end of connecting rod and the second end of first connecting rod, the first end of the first connecting rod are fixedly connected on first ladder
On, the second end of first connecting rod is slidable to be connected on the first lateral support bar；The second connecting rod has both ends, point
Not Wei the first end of second connecting rod and the second end of first connecting rod, the first end of the second connecting rod is fixedly connected on described second
On piece ladder, the second end of second connecting rod is slidable to be connected on the first lateral support bar；First locking device
Slidable to be arranged on the first lateral support bar, first locking device connects the first connecting rod and second and connected simultaneously
Bar.
10. family expenses as claimed in claim 9 do not fall terraced, it is characterised in that first locking device includes：
First lock sleeve, it is set on the first lateral support bar, first lock sleeve is the annular with opening, described
First lock sleeve has the first lock sleeve first end and first the second end of lock sleeve；The opening is arranged on first lock sleeve
Between first end and first the second end of lock sleeve；
Control the regulating bolt of the openings of sizes, through the opening, and be connected to the first lock sleeve first end and
Between first the second end of lock sleeve；The length direction of the vertical first lateral support bar of the length direction of the regulating bolt；
The head end of the regulating bolt is nut, and the tail end of the regulating bolt is screw rod end；
The hinge of locking device, is arranged on the tail end of the regulating bolt, the vertical regulation spiral shell of the length direction of the hinge
The length direction of the length direction of bolt and the parallel first lateral support bar；
Eccentric cam, is hinged on the hinge of the locking device and the outer rim of eccentric cam is pressed on first lock sleeve
On the lateral surface at the second end；
Handle, connect the eccentric cam；
Returning spring is locked, is set in the regulating bolt and is located at the first lock sleeve first end and the first lock sleeve
Between second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650991.7U CN206785287U (en) | 2017-06-06 | 2017-06-06 | Family expenses do not fall terraced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650991.7U CN206785287U (en) | 2017-06-06 | 2017-06-06 | Family expenses do not fall terraced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785287U true CN206785287U (en) | 2017-12-22 |
Family
ID=60716507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720650991.7U Active CN206785287U (en) | 2017-06-06 | 2017-06-06 | Family expenses do not fall terraced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201875A (en) * | 2017-06-06 | 2017-09-26 | 黄崇华 | Family expenses do not fall terraced |
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
| CN114687658A (en) * | 2022-03-29 | 2022-07-01 | 广东电网有限责任公司 | Anti-overturning supporting auxiliary device |
-
2017
- 2017-06-06 CN CN201720650991.7U patent/CN206785287U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
| CN107201875A (en) * | 2017-06-06 | 2017-09-26 | 黄崇华 | Family expenses do not fall terraced |
| CN114687658A (en) * | 2022-03-29 | 2022-07-01 | 广东电网有限责任公司 | Anti-overturning supporting auxiliary device |
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