CN108915573A - Mobile domestic folding ladder - Google Patents
Mobile domestic folding ladder Download PDFInfo
- Publication number
- CN108915573A CN108915573A CN201810772898.2A CN201810772898A CN108915573A CN 108915573 A CN108915573 A CN 108915573A CN 201810772898 A CN201810772898 A CN 201810772898A CN 108915573 A CN108915573 A CN 108915573A
- Authority
- CN
- China
- Prior art keywords
- ladder
- vertical edge
- castor
- support bar
- lateral support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/423—Ladder stabilising struts
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Abstract
The present invention provides a kind of Mobile domestic folding ladder, the Mobile domestic folding ladder includes：The hinged ladder of two panels and in the respectively arranged lateral support bar in the two sides of two panels ladder；The Mobile domestic folding ladder further includes：The castor of strap brake, is separately positioned on the bottom of each first vertical edge and each second vertical edge and the first lateral support bar and the second side is arranged in the bottom of support rod by number totally six；After the first lateral support bar and the second side are unfolded to support rod, hexagon is formed positioned at the castor of two first vertical edges and two second vertical edge bottoms and the line of the castor positioned at the first lateral support bar and the second side to support rod bottom；First ladder further include：The first pedal being connected between first vertical edge and the second vertical edge；Second ladder further include：The second pedal being connected between first vertical edge and the second vertical edge.Invention increases the mobility of ladder.
Description
Technical field
The present invention relates to ladder fields, and in particular to a kind of Mobile domestic folding ladder.
Background technique
The folding ladder service condition of household is usually more concordant ground, also smoother.Ladder currently used for family
Son, in order to guarantee its security performance, anti-sliding stop, ground terminal is fixed, immovable, but in this way, can be made to ladder
With bringing very big inconvenience, ladder, which from a place is moved to another place and needs people that ladder is lifted, can just accomplish, especially
It is when fitting up or being done housework indoors with ladder, and ladder is mobile frequently, in this way, increasing the labor intensity of operating personnel, is dropped
Low labor efficiency.In addition, existing ladder is because the reason of folding, top can not provide suitable workbench, in operation
When inconvenience place tool and article.
In conclusion following problems exist in the prior art：The ladder of household is moved to another ground from a place
Side, it is mobile inconvenient, and inconvenient place tool and article, it makes troubles to operation.
Summary of the invention
The present invention provides a kind of Mobile domestic folding ladder, and the mobile inconvenience of the ladder to solve household is inconvenient to place
The problem of tool and article, work inconvenience.
For this purpose, the present invention proposes that a kind of Mobile domestic folding ladder, the Mobile domestic folding ladder include：
The hinged ladder of two panels and in the respectively arranged lateral support bar in the two sides of two panels ladder, the hinged ladder of two panels
Son is respectively first ladder and second ladder, and the lateral support bar is respectively to be arranged in the first of the first side of two panels ladder
Lateral support bar and second side of two panels ladder second side is set to support rod；The first lateral support bar and second
Lateral support bar is respectively hinged at the two sides of two panels ladder and can stretch out to the outside of two panels ladder；
First ladder and second ladder include：It is used to support the first vertical edge and the second vertical edge on working face,
Altogether there are two the first vertical edge and two the second vertical edges, first ladder further includes the hinged ladder of two panels：It is connected to described
Multiple first horizontal edges between first vertical edge and the second vertical edge；
The Mobile domestic folding ladder further includes：The castor of strap brake, is separately positioned on each first by number totally six
The bottom of vertical edge and each second vertical edge and the first lateral support bar and the second side are set to the bottom of support rod；
Line positioned at the castor of two first vertical edges and two second vertical edge bottoms forms quadrangle；When first side
After being unfolded to support rod and the second side to support rod, positioned at the foot of two first vertical edges and two second vertical edge bottoms
The line of wheel and the castor positioned at the first lateral support bar and the second side to support rod bottom forms hexagon；It is described
The area of hexagon is greater than the quadrangle；
The castor includes：Idler wheel and brake pedal to roller brake, the idler wheel have horizontally disposed shaft, institute
Stating castor further includes：The mounting plate being connected in shaft, the mounting plate pass through the connection being vertically arranged and are bolted the first side
To support rod or the second side to support rod or the vertical edge of each ladder；
First ladder further include：The first pedal being connected between first vertical edge and the second vertical edge, it is described
First pedal is located at the top of first ladder；Second ladder further include：It is connected to first vertical edge and
The second pedal between two vertical edges, second pedal are located at the top of second ladder；First pedal with it is described
Second pedal is hinged by hinged shaft, in folded state, first pedal and the second pedal shape are angled α, and α is greater than etc.
It is less than or equal to 150 degree in 120 degree, the hinged shaft is located at the highest point of first pedal, and first ladder and the
Two ladders are hinged by the hinged shaft；In opening state, first pedal and the second pedal shape are angled 180
Degree, first pedal and second pedal form connecting platform.
Further, the line of two castors of the first vertical edge and the second vertical edge of first ladder forms the first sideline,
The line of two castors of the first vertical edge and the second vertical edge of second ladder forms the second sideline, the first lateral support bar
The first sideline parallel with the line of the second side to the castor of support rod bottom and the second sideline, also, first lateral support
Bar and castor from the second side to support rod bottom line between the first sideline and the second sideline and the first sideline of distance
It is equal with the second sideline.
Further, the first lateral support bar and the second side to support rod be telescopic rod, it is described in folded state
The first of the first vertical edge and adjacent second ladder of first lateral support bar and adjacent first ladder
Vertical edge is close together, the foot of the first vertical edge of the castor of the first lateral support bar and adjacent first ladder
The castor of first vertical edge of wheel and adjacent second ladder forms first three bar three-point type supporting structure；Wherein,
The first vertical edge and adjacent second ladder of the first lateral support bar and adjacent first ladder
First vertical edge is parallel to each other；
First vertical edge and adjacent described second of second side to support rod and adjacent first ladder
First vertical edge of piece ladder is close together, castor from second side to support rod and adjacent first ladder
The castor of first vertical edge of the castor of one vertical edge and adjacent second ladder forms second three bar bikinis support
Structure；Wherein, first vertical edge and adjacent described of second side to support rod and adjacent first ladder
First vertical edge of two ladders is parallel to each other；
The Mobile domestic folding ladder is in folded state by first three bar three-point type supporting structure and second three bar
The supporting role of three-point type supporting structure reaches the stable equilibrium of vertical direction.
Further, the first lateral support bar, the second side are to support rod, first vertical edge and the second vertical edge
Hollow bar, the first lateral support bar, the second side are respectively equipped with releasing to support rod, first vertical edge and the second vertical edge
The unlocking mechanism of castor brake, the unlocking mechanism include：Wirerope and be arranged in each hollow bar at least two
Deflector roll, two deflector rolls include the first deflector roll and the second deflector roll, and each deflector roll has the V-type for accommodating and guiding the wirerope
Slot；
The wirerope includes two sections, respectively first segment wirerope and second segment wirerope, each hollow bar
Bottom is equipped with the first perforation, and the top of each hollow bar is equipped with the second perforation, and the brake pedal is perforated equipped with third,
The unlocking mechanism further includes：Preloading spring in each hollow bar is set；The preloading spring is connected to first segment
Between wirerope and second segment wirerope；First deflector roll is worn close to the first perforation setting, second deflector roll close to second
Hole setting；
The first segment wirerope connect the third perforate and pass through first perforation extend into the hollow bar, even
The preloading spring and the second segment wirerope are connect, the second segment wirerope is pierced by from described second；
The unlocking mechanism further includes：The unlock spanner at the top of each hollow bar is set and the unlock is pulled
The positioning chuck of hand positioning, the unlock spanner are equipped with the 4th perforation for connecting the second segment wirerope；The unlock is pulled
Hand has both ends, and the respectively second end of the first end of unlock spanner and unlock spanner, the first end for unlocking spanner is hinged on respectively
The top of the hollow bar, the second end of the unlock spanner is arranged in the 4th perforation, described to unlock the second of spanner
End connects the second segment wirerope, and the positioning chuck positions the second end of the unlock spanner；The unlock spanner
Length is 5 times or more of the brake pedal length.
Further, second ladder further includes：It is connected to multiple between first vertical edge and the second vertical edge
Second horizontal edge.
Further, the first lateral support bar and the second side this are arranged in support rod the two sides of two panels ladder,
Line positioned at the adjacent castor of the castor and first ladder of the first lateral support bar bottom forms third sideline, is located at
The line of the adjacent castor of the castor and second ladder of the first lateral support bar bottom forms the 4th sideline, the first sideline
It is 110 degree to 150 degree with the angle that third sideline is formed, the angle that third sideline and the 4th sideline are formed is 110 degree to 160
Degree.
Further, the Mobile domestic folding ladder further includes：
First connecting rod is movably connected between first ladder and the first lateral support bar；
Second connecting rod is movably connected between second ladder and the first lateral support bar；
The first locking device for locking the first connecting rod and second connecting rod, connects the first connecting rod and second connecting rod；
First locking device is arranged on the first lateral support bar；
The maximum angle of the lateral extension of the first lateral support bar is 37 degree.
The castor is universal wheel, and the material of the castor is rubber or nylon.
The present invention is inconvenient in order to overcome the ladder movement of household, in the castor for being additionally arranged at the bottom strap brake of ladder, is
Avoid the mobility of wheel to ladder course of work bring security risk, the present invention is using the ladder for laterally having support rod
Son installs castor additional on each supporting point, and after ladder is mobile, as long as checking castor, every side is triangular support, entire ladder
Son just becomes hexagon and supports, and makes ladder that can also obtain stable support in the case where there is wheel, wherein due to hexagon branch
Support, as long as checking two castors in 6 castors, can make entire ladder reach stable equilibrium, without all brakes, Neng Goujin
One step reduces time, improves operating efficiency.
Because of castor, ladder directly can be pushed to specified ground under opening state or working condition by the present invention
Point, after mobile, without adjusting the positional relationship and angle of ladder again, as long as checking castor after in place, so that it may directly use, section
Adjustment time is saved, is improved labor efficiency.Since in the present invention, castor forms hexagon support, and stability is good, even if user is
It can not have to get off, can push ladder or user that wall or roof is helped voluntarily to look for position, movement by others, into one
Step improves operating efficiency.
In folded state, the first pedal and the second pedal shape are angled α, and α is more than or equal to 120 degree and is less than or equal to
150 degree, the hinged shaft is located at the highest point of first pedal, and two panels ladder is folded up, and the folding for reducing two panels ladder is thick
Degree, is not take up the inner space of ladder；In opening state, first pedal and the second pedal shape are angled 180 degree,
First pedal and second pedal form connecting platform or workbench, and for example, seamless or straight platform can
So that operating personnel stands, squats or places article.There is this connecting platform, connection can be realized by the movement of castor
The movement of operating personnel or article on platform reduce the time up and down of operating personnel or article, facilitate the company for operation of ascending a height
Continuous property, improves operating efficiency.
In turn, the present invention forms the two three bar three-point type supporting structures in left and right, checks castor at this time, make in folded state
Stable balance can also be reached in folded state by obtaining ladder of the invention, and other existing ladders can not be vertical in folded state
Stablize and place, thus ladder of the invention this folded state, can push movement and it is static on the ground, be
The movement of ladder provides convenience under folded state, and the narrow environment for being more applicable for family can fold up movement.
The present invention can be moved in folded state and opening state, and can keep stable static, be further increased
The travelling performance and stability of ladder under various regimes, and the present invention can take into account in folded state and opening state
Travelling performance and security and stability can adapt to the more smooth place in the indoor ground such as family, supermarket, market.Relatively
In the ladder of not castor, castor of the invention makes the support zone of ladder for point support, relative to traditional lateral branch of band
The supporting surface of strut, every side bikini support of the invention can more increase the stability of ladder, moreover, because using rubber or
Material of the nylon as castor, castor have elasticity, are able to carry out dynamic and compensate, so that the support of every side bikini is more flexible steady
It is fixed.
Castor is universal wheel, is able to achieve 360 degree of steerings, thus, in 6 caster support ladders, especially in expansion shape
State, 6 castors can not be limited by angle, can be realized with various flexible angles to first ladder, second ladder, the
One side can be achieved with ladder as long as can satisfy the area of back-up roller wheel to support rod and the second side to the support of support rod
The orientation of support, castor can be there are many selection, and relative to the support of other foots pad or antiskid plate or non-slip mat, the present invention is more
There is the flexibility for adapting to working environment, it is easier to reach stable and smooth, be suitable for narrow working environment.
In addition, that is, in the fixed state of castor, the material of idler wheel is rubber or nylon in braking state, there is elasticity,
Under the pressure effect of brake pedal, idler wheel can deform, and brake pressure suffered by idler wheel is far longer than ladder itself
Gravity, the in this way support than common antiskid plate or non-slip mat, the stress of castor is more stable, and antiskid effect is more preferable.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the unfolded state of the Mobile domestic folding ladder of first embodiment of the invention；
Fig. 2 is the schematic perspective view of the folded state of the Mobile domestic folding ladder of first embodiment of the invention；
Fig. 3 is the structural schematic diagram of the unfolded state of the Mobile domestic folding ladder of second embodiment of the invention；
Fig. 4 is the schematic view of the front view of Fig. 3；
Fig. 5 is the attachment structure schematic diagram of castor and the first lateral support bar in Fig. 1；
Fig. 6 is the internal structure of the first lateral support bar of the invention and the structural schematic diagram of unlocking mechanism；
Fig. 7 is the side structure schematic view of the folded state of the Mobile domestic folding ladder of first embodiment of the invention.
Drawing reference numeral explanation
1, Mobile domestic folding ladder；10, hinged shaft；
11, first ladder；12, second ladder；13, the first lateral support bar；14, the second side is to support rod；
111, the first vertical edge；112, the second vertical edge；113, horizontal edge；
151, first connecting rod；152, second connecting rod；118, the first pedal；128, the second pedal；
3, the first locking device；6, castor；
61, idler wheel；63, shaft；65, mounting plate：67, brake pedal；
71, the first deflector roll；72, the second deflector roll；75 unlock spanners
80, preloading spring；81, first segment wirerope；82, second segment wirerope；
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
It is bright.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention proposes a kind of Mobile domestic folding ladder 1, Fig. 1, Fig. 2 shows
First embodiment, Fig. 3 and Fig. 4 show second embodiment；
The Mobile domestic folding ladder 1 of both embodiments all includes：
The hinged ladder of two panels and in the respectively arranged lateral support bar in the two sides of two panels ladder, the hinged ladder of two panels
Son is respectively first ladder 11 and second ladder 12, and the lateral support bar is respectively that the first side of two panels ladder is arranged in
First lateral support bar 13 and second side of two panels ladder second side is set to support rod 14；First lateral support
Bar 13 and the second side are respectively hinged at the two sides of two panels ladder to support rod 14 and can stretch out to the outside of two panels ladder；First
Ladder 11 and second ladder 12 are hinged by hinged shaft 10, and the first lateral support bar 13 and the second side are distinguished to support rod 14
It is hinged on the both ends of the hinged shaft 10；The hinged ladder of two panels and in the respectively arranged lateral support bar in the two sides of two panels ladder
Structure can with the patent in terms of the folding ladder of application reference people's previous application, such as：Application No. is 2012104030628 hairs
Bright patent；
First ladder 11 and second ladder 12 include：The first vertical edge 111 being used to support on working face and
Two vertical edges 112, there are two the first vertical edge 111 and two the second vertical edges 112, first ladders 11 altogether for the hinged ladder of two panels
Further include：Multiple first horizontal edges 113 being connected between first vertical edge and the second vertical edge；First vertical edge 111 and second is perpendicular
Side 112 is used to support on working face, is played a supportive role, and the first horizontal edge is climbed for people；First vertical edge 111 and the second vertical edge 112
And first horizontal edge can be made of aluminium, aluminium alloy or steel or stainless steel, the connection of the first vertical edge 111 and the first horizontal edge can be
Rivet or weld；
The Mobile domestic folding ladder further includes：The castor 6 of strap brake, is separately positioned on each by number totally six
The bottom and setting of one vertical edge 111 and each second vertical edge 112 are in the first lateral support bar 13 and the second lateral support
The bottom of bar 14；Line positioned at the castor of two first vertical edges and two second vertical edge bottoms forms quadrangle；
After the first lateral support bar 13 and the second side are unfolded to support rod 14, it is located at described in two first vertical edges and two
The line of the castor of second vertical edge bottom and the castor positioned at the first lateral support bar and the second side to support rod bottom
Form hexagon；The area of the hexagon is greater than the quadrangle.I.e. after ladder expansion, every side is triangular support, and
Every side be isosceles triangle support, entire ladder just become hexagon support, make ladder have wheel or can roll, move
In the case of can also obtain stable support, wherein due to hexagon support, after expansion, operation in ladder self gravity and ladder
The pressure of personnel, so that each support rod and each vertical edge of ladder be all by outside active force, as long as checking two in 6 castors
A castor can make entire ladder reach stable equilibrium, without all brakes, can be further reduced time, improve and make
Industry efficiency.
Because of castor, ladder directly can be pushed to specified ground under opening state or working condition by the present invention
Point, it is rear in place directly to use without adjusting the positional relationship and angle of ladder again after mobile, adjustment time is saved, labour is improved
Efficiency.Since in the present invention, castor forms hexagon support, and stability is good, can also be by others even if user does not have to get off
It pushes ladder or user that wall or roof is helped voluntarily to look for position, movement, further improves operating efficiency.
Further, the line of two castors of the first vertical edge 111 and the second vertical edge 112 of first ladder 11 forms the
One sideline, the line of two castors of the first vertical edge and the second vertical edge of second ladder 12 form the second sideline, and described first
Parallel first sideline of the line of lateral support bar and the second side to the castor of support rod bottom and the second sideline, also, described
Line of one side to support rod and the second side to the castor of support rod bottom between the first sideline and the second sideline and away from
It is equal from the first sideline and the second sideline.In this manner it is achieved that support and the equilibrium of stress guarantee the stabilization of ladder with symmetrically
Property.Further, first ladder 11 is identical with the structure of second ladder 12, equal sized, 13 He of the first lateral support bar
The structure of second side to support rod 14 is identical, equal sized, it is thus possible to realize that ladder is symmetrical in stress all around, increase
The stability of ladder.
The first lateral support bar 13 and the second side to support rod 14 can be regular length, after expansion, the first side to
Support rod 13 and the second side are to support rod 14 and two panels ladder formation fixed angle, to realize rapid deployment and stablize locking.
Further, as shown in figure 4, the first lateral support bar 13 and the second side to support rod 14 be telescopic rod,
It is adjusted flexibly with realizing.In folded state, the first of the first lateral support bar 13 and adjacent first ladder 11
First vertical edge 111 of vertical edge 111 and adjacent second ladder 12 is close together, the first lateral support bar
Castor and adjacent first ladder the first vertical edge castor and adjacent second ladder it is first perpendicular
The castor on side forms first three bar three-point type supporting structure；Wherein, the first lateral support bar and adjacent described first
First vertical edge of the first vertical edge of piece ladder and adjacent second ladder is parallel to each other, and three does not interfere with each other, above-mentioned
Structure can using applicant's previous application folding ladder in terms of patent or hinge structure therein or articulated structure come real
It is existing；
As shown in figure 4, second side to the first vertical edge 111 of support rod 14 and adjacent first ladder 11,
And the first vertical edge 111 of adjacent second ladder 12 is close together, castor from second side to support rod and
The castor of first vertical edge of the castor of the first vertical edge of adjacent first ladder and adjacent second ladder
Form second three bar three-point type supporting structure；Wherein, second side is to support rod and adjacent first ladder
First vertical edge of the first vertical edge and adjacent second ladder is parallel to each other；
The Mobile domestic folding ladder 1 is in folded state by first three bar three-point type supporting structure and second three bar
The supporting role of three-point type supporting structure reaches the stable equilibrium of vertical direction.The present invention forms left and right two in folded state
Three bar three-point type supporting structures, so that ladder of the invention can also reach stable balance in folded state, and it is existing
Other ladders folded state can not be vertical stablize and place, thus ladder of the invention this folded state can push movement,
Again it is erectile it is static the movement for ladder under folded state provides convenience on the ground, be more applicable for the narrow of family
Environment can fold up movement.
Further, as shown in Figure 1, the Mobile domestic folding ladder 1 further includes：
First connecting rod 151 is movably connected between first ladder 11 and the first lateral support bar 13；
Second connecting rod 152 is movably connected between second ladder 11 and the first lateral support bar 13；
The first locking device 3 for locking the first connecting rod and second connecting rod connects the first connecting rod 151 and second and connects
Bar 152；
First locking device 3 is arranged on the first lateral support bar 13；
By first connecting rod 151 and second connecting rod 152, it can flexibly realize the expansion of each lateral support bar and pack up,
The stability that ladder may be implemented can guarantee safety when ladder work by locking device, wherein the first locking device
3, the structure of first connecting rod 151 and second connecting rod 152 can be with the patent in terms of folding ladder that application reference people applies before this；
The maximum angle of the lateral extension of the first lateral support bar 13 is 37 degree, so that in more narrow space
It is interior, obtain stable support.
As shown in figure 5, the castor 6 of strap brake includes idler wheel 61 and the brake pedal 67 to roller brake or the pressing plate that brakes,
Normal danger is pulled or are pressed down to brake pedal 67 or brake pressing plate, can brake to idler wheel 61, realize brake, work as needs
When idler wheel is mobile, brake pedal or brake pressing plate are lifted, the braking to idler wheel 61 is released, idler wheel 61 is rotated around shaft 63, is turned
Axis 63 is horizontally disposed, thus idler wheel 61 can move on level ground.First lateral support bar 13 or the second side are to support rod
The vertical edge of 14 or each ladders is supported on mounting plate 65, and mounting plate 65 is equipped with horizontal supporting surface and is used to support the first side to branch
The vertical edge of strut 13 or each ladder, mounting plate 65 are connected in shaft, and mounting plate 65 passes through the connection bolt (figure being vertically arranged
In be not shown) connection the first lateral support bar 13 or the second side to support rod 14 or the vertical edge of each ladder, to realize that idler wheel exists
360 degree of rotations in horizontal plane；The castor 6 of strap brake can use existing various forms castor, can directly purchase from the market
?.
Further, the castor 6 is universal wheel.The castor 6 has idler wheel, and idler wheel is universal wheel, is able to achieve 360 degree
It turns to.Since castor 6 is universal wheel, 360 degree of steerings are able to achieve, thus, in 6 caster support ladders, especially it is being unfolded
State, 6 castors can not be limited by angle, can be realized with various flexible angles to first ladder, 11, second ladders
The support of sub 12, first lateral support bar 13 and the second side to support rod 14, the diameter of idler wheel is 5 times of width, 6 times, even
It is line contact or point contact in the contact theory on idler wheel or castor and ground, the width of practical upper roller is general to 10 times or more
It is 1 to 3cm, even if the contact area on idler wheel and ground is again smaller than the width of idler wheel, the usually width of idler wheel under loading conditions
The half or one third of degree, the i.e. contact width of idler wheel and ground be less than 1.5mm, for example, 0.3mm, 0.5mm,
0.8mm,1mm,1,2mm,1.5mm.As long as can satisfy the area of back-up roller wheel, the support of ladder, the side of castor 6 can be achieved with
Position can there are many selections, the plane where 6 castors can form a variety of flexible angles, be not limited to fixed angle, relatively
In the support of other foots pad or antiskid plate or non-slip mat, the present invention is more added with the flexibility for adapting to working environment, it is easier to reach
It is stable and smooth, it is suitable for narrow working environment.The material of idler wheel is rubber or nylon, has elasticity, by gravity or pressure
When be able to carry out dynamic and compensate, stable bikini support can be realized in all angles that ladder is unfolded, so that every side
Bikini support is more flexible to stablize.In addition, that is, in the fixed state of castor, the material of idler wheel is rubber in braking state
Or nylon, there is elasticity, under the pressure effect of brake pedal, idler wheel can deform, and brake pressure suffered by idler wheel is remote
Much larger than the gravity of ladder itself, support in this way than common antiskid plate or non-slip mat, the stress of castor is more stable, anti-skidding
Effect is more preferable.
The movement or brake of ladder can realize in ladder base, operator get off to push from ladder top ladder walk or
It brakes in ladder base to castor, further, Fig. 6 shows the internal structure and unlocking mechanism of the first lateral support bar
Structure, as shown in fig. 6, during the first lateral support bar, the second side to support rod, first vertical edge and the second vertical edge be
Empty bar, the first lateral support bar, the second side are respectively equipped with releasing foot to support rod, first vertical edge and the second vertical edge
The unlocking mechanism of wheel brake, to realize that not having to lower ladder can be unlocked at top, further improve working efficiency.It is described
Unlocking mechanism includes：Wirerope and at least two deflector rolls being arranged in each hollow bar, two deflector rolls are led including first
Roller 71 and the second deflector roll 72, each deflector roll has the V-groove for accommodating and guiding the wirerope, in case wirerope tangles；
As shown in fig. 6, the wirerope includes two sections, respectively first segment wirerope 81 and second segment wirerope 82, respectively
The bottom of the hollow bar is equipped with the first perforation, and the top of each hollow bar is equipped with the second perforation, the brake pedal
It is equipped with third to perforate, the unlocking mechanism further includes：Preloading spring 80 in each hollow bar is set；The preload
Spring 80 is connected between first segment wirerope 81 and second segment wirerope 82；First deflector roll 71 is set close to the first perforation
It sets, guiding and positioning action is played to first segment wirerope 81, second deflector roll 72 is close to the second perforation setting, to second segment
Wirerope 82 plays guiding and positioning action；By two deflector rolls, moved towards convenient for the straight line of wirerope, reduction is tangled；
It is extend into described as shown in fig. 6, the first segment wirerope connection third perforates and passes through the first perforation
In empty bar, the preloading spring and the second segment wirerope are connected, the second segment wirerope is worn from described second
Out；To form complete unlock route；Preloading spring 80 plays the role of that wirerope is straightened, and wirerope is prevented to be bent, with reality
Existing quick release avoids wirerope because being bent or tangling and generate unlock failure；
As shown in fig. 6, the unlocking mechanism further includes：75 He of unlock spanner at the top of each hollow bar is set
To the positioning chuck (not shown) of the unlock spanner positioning, the unlock spanner 75, which is equipped with, connects the second segment steel
4th perforation of cord；The unlock spanner 75 has both ends, respectively the second of the first end of unlock spanner and unlock spanner
End, the first end for unlocking spanner are hinged on the top of each hollow bar, and the 4th perforation is arranged in the unlock spanner
Second end, the second end of the unlock spanner connects the second segment wirerope 82, and the positioning chuck pulls described unlock
The second end of hand positions；The length of the unlock spanner 75 is 5 times or more of 67 length of brake pedal, such as 7, and 8 times very
To 10 times, to play preferable leverage with the biggish arm of force, unlock laborsaving.
Second side can use solution identical with the first lateral support bar to support rod, first vertical edge and the second vertical edge
Latch mechanism.It by unlocking mechanism, may be implemented to be unlocked at top without lower ladder, by roof or wall hair
Power, energy Moving caster, further improves working efficiency.
Second ladder 12 further include：Multiple second be connected between first vertical edge and the second vertical edge are horizontal
Side.In the present invention, Fig. 1 and embodiment shown in Fig. 2 are that first ladder 11 is identical with the structure of second ladder 12, are all had
Horizontal edge 113, convenient for climbing operation from both direction.Further, second ladder is support first ladder
Bracket.In embodiment shown in Fig. 3 and Fig. 4, second ladder 12 does not have horizontal edge 113 then, and second ladder 12 itself cannot
Climbing can only be used as bracket, support first ladder 11, in such manner, it is possible to save cost, be arranged in the bottom of second ladder 12
Castor also facilitates this ladder walking and mobile and increase stability.
Further, as shown in Figure 1, Figure 2 and Figure 7, first ladder 11 further includes：It is connected to first vertical edge
And second the first pedal 118 between vertical edge, first pedal are located at the top of first ladder；Second ladder
Son further includes：The second pedal 128 being connected between first vertical edge and the second vertical edge, second pedal are located at described the
The top of two ladders；First pedal 118 be all larger than with second pedal 128 or equal to horizontal edge 113 width, described first
Pedal and second pedal are hinged by hinged shaft 10, in folded state, as shown in fig. 7, first pedal and described second
Pedal shape is angled α, and α is more than or equal to 120 degree and is less than or equal to 150 degree, and the hinged shaft 10 is located at the highest of first pedal
Point, two panels ladder are folded up, and are reduced the fold thicknesses of two panels ladder, are not take up the inner space of ladder；In opening state, institute
It states the first pedal 118 and is angled 180 degree with 128 shape of the second pedal, first pedal is formed with second pedal
Article can be stood, squat or be placed to connecting platform or workbench, for example, seamless platform for operating personnel.There is this
A connecting platform can realize the operating personnel on connecting platform or the movement of article, reduce operation people by the movement of castor
The time up and down of member or article, improve operating efficiency.
Further, the first lateral support bar 13 and the second side this are arranged in the two of two panels ladder to support rod 14
Side, the line positioned at the adjacent castor of the castor and first ladder of the first lateral support bar bottom form third sideline,
Positioned at the castor and second ladder of the first lateral support bar bottom adjacent castor line formed the 4th sideline, first
The angle that sideline and third sideline are formed is 110 degree to 150 degree, the angle of third sideline and the formation of the 4th sideline for 110 degree extremely
160 degree, to realize the stable effect of stress equalization.Wherein, preferred angle is the angle that the first sideline and third sideline are formed
It is 120 degree, the angle that third sideline and the 4th sideline are formed is 120 degree, this angle, it is contemplated that in ladder self weight and ladder
The weight of operating personnel and the height of operating personnel and ladder and people overall position of centre of gravity, the first lateral support bar
13 and second side it is all more balanced to the stress of support rod 14 and every ladder, and the area of hexagon that each castor surrounds
It is ideal, it ensure that center of gravity can sufficiently be fallen within the hexagon that each castor surrounds, and have enough surpluses, increase
Safety factor.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.For this
Each component part of invention can be combined with each other under conditions of not conflicting, any those skilled in the art, not depart from this
Made equivalent changes and modifications, should belong to the scope of protection of the invention under the premise of the conceptions and principles of invention.
Claims (8)
1. a kind of Mobile domestic folding ladder, which is characterized in that the Mobile domestic folding ladder includes：
The hinged ladder of two panels and in the respectively arranged lateral support bar in the two sides of two panels ladder, the hinged ladder of two panels point
Not Wei first ladder and second ladder, the lateral support bar be respectively be arranged in the first side of the first side of two panels ladder to
Support rod and second side of two panels ladder second side is set to support rod；The first lateral support bar and the second side to
Support rod is respectively hinged at the two sides of two panels ladder and can stretch out to the outside of two panels ladder；
First ladder and second ladder include：It is used to support the first vertical edge and the second vertical edge on working face, two panels
Altogether there are two the first vertical edge and two the second vertical edges, first ladder further includes hinged ladder：It is connected to described first
Multiple first horizontal edges between vertical edge and the second vertical edge；
The Mobile domestic folding ladder further includes：The castor of strap brake, is separately positioned on each first vertical edge by number totally six
With the bottom of each second vertical edge and the first lateral support bar and the second side are set to the bottom of support rod；It is located at
The line of two first vertical edges and the castor of two second vertical edge bottoms forms quadrangle；When first side is to branch
After strut and the second side are unfolded to support rod, positioned at two first vertical edges and two second vertical edge bottoms castor,
And the line of the castor positioned at the first lateral support bar and the second side to support rod bottom forms hexagon；Six side
The area of shape is greater than the quadrangle；
The castor includes：Idler wheel and brake pedal to roller brake, the idler wheel have horizontally disposed shaft, the foot
Wheel further includes：The mounting plate being connected in shaft, the mounting plate pass through the connection being vertically arranged and are bolted the first side to branch
Strut or the second side are to support rod or the vertical edge of each ladder；
First ladder further include：The first pedal being connected between first vertical edge and the second vertical edge, described first
Pedal is located at the top of first ladder；Second ladder further include：First vertical edge and second is connected to erect
The second pedal between side, second pedal are located at the top of second ladder；First pedal and described second
Pedal is hinged by hinged shaft, and in folded state, first pedal and the second pedal shape are angled α, and α is more than or equal to
120 degree are less than or equal to 150 degree, and the hinged shaft is located at the highest point of first pedal, and first ladder and second
Piece ladder is hinged by the hinged shaft；In opening state, first pedal and the second pedal shape are angled 180 degree,
First pedal and second pedal form connecting platform.
2. Mobile domestic folding ladder as described in claim 1, which is characterized in that the first lateral support bar, second side
It is hollow bar to support rod, first vertical edge and the second vertical edge, the first lateral support bar, the second lateral support
Bar, first vertical edge and the second vertical edge are respectively equipped with the unlocking mechanism for releasing castor brake, and the unlocking mechanism includes：Steel wire
At least two deflector rolls restricted and be arranged in each hollow bar, two deflector rolls include the first deflector roll and the second deflector roll, each institute
Stating deflector roll has the V-groove for accommodating and guiding the wirerope；
The wirerope includes two sections, respectively first segment wirerope and second segment wirerope, the bottom of each hollow bar
Equipped with the first perforation, the top of each hollow bar is equipped with the second perforation, and the brake pedal is perforated equipped with third, described
Unlocking mechanism further includes：Preloading spring in each hollow bar is set；The preloading spring is connected to first segment steel wire
Between rope and second segment wirerope；First deflector roll is set close to the first perforation setting, second deflector roll close to the second perforation
It sets；
The first segment wirerope connect the third perforate and pass through first perforation extend into the hollow bar, connect institute
Preloading spring and the second segment wirerope are stated, the second segment wirerope is pierced by from described second；
The unlocking mechanism further includes：The unlock spanner at the top of each hollow bar is set and the unlock spanner is determined
The positioning chuck of position, the unlock spanner are equipped with the 4th perforation for connecting the second segment wirerope；The unlock spanner tool
Have a both ends, respectively the second end of the first end of unlock spanner and unlock spanner, unlock spanner first end be hinged on it is each described
The second end of the unlock spanner is arranged in the top of hollow bar, the 4th perforation, and the second end of the unlock spanner connects
The second segment wirerope is connect, the positioning chuck positions the second end of the unlock spanner；The length of the unlock spanner
It is 5 times or more of the brake pedal length.
3. Mobile domestic folding ladder as described in claim 1, which is characterized in that the castor is universal wheel.
4. Mobile domestic folding ladder as described in claim 1, which is characterized in that the first vertical edge and second of first ladder
The lines of two castors of vertical edge forms the first sideline, the company of two castors of the first vertical edge and the second vertical edge of second ladder
Line forms the second sideline, parallel first sideline of line of the castor of the first lateral support bar and the second side to support rod bottom
With the second sideline, also, the line of the castor of the first lateral support bar and the second side to support rod bottom is located at the first side
Between line and the second sideline and the first sideline of distance and the second sideline is equal.
5. Mobile domestic folding ladder as described in claim 1, which is characterized in that the first lateral support bar and second side
It is telescopic rod to support rod, in folded state, the first of the first lateral support bar and adjacent first ladder
First vertical edge of vertical edge and adjacent second ladder is close together, the castor of the first lateral support bar and
The castor of first vertical edge of the castor of the first vertical edge of adjacent first ladder and adjacent second ladder
Form first three bar three-point type supporting structure；Wherein, the first lateral support bar and adjacent first ladder
First vertical edge of the first vertical edge and adjacent second ladder is parallel to each other；
First vertical edge and the adjacent second piece ladder of second side to support rod and adjacent first ladder
First vertical edge of son is close together, castor from second side to support rod and adjacent first ladder it is first perpendicular
The castor of first vertical edge of the castor on side and adjacent second ladder forms second three bar bikinis support knot
Structure；Wherein, first vertical edge and adjacent described second of second side to support rod and adjacent first ladder
First vertical edge of piece ladder is parallel to each other；
The Mobile domestic folding ladder is in folded state by first three bar three-point type supporting structure and second 3 points of three bar
The supporting role of formula support construction reaches the stable equilibrium of vertical direction.
6. Mobile domestic folding ladder as described in claim 1, which is characterized in that second ladder further include：Connection
Multiple second horizontal edges between first vertical edge and the second vertical edge.
7. Mobile domestic folding ladder as described in claim 1, which is characterized in that the Mobile domestic folding ladder also wraps
It includes：
First connecting rod is movably connected between first ladder and the first lateral support bar；
Second connecting rod is movably connected between second ladder and the first lateral support bar；
The first locking device for locking the first connecting rod and second connecting rod, connects the first connecting rod and second connecting rod；
First locking device is arranged on the first lateral support bar；
The maximum angle of the lateral extension of the first lateral support bar is 37 degree.
8. Mobile domestic folding ladder as described in claim 1, which is characterized in that the first lateral support bar and second side
This is arranged in support rod the two sides of two panels ladder, the castor and first ladder positioned at the first lateral support bar bottom
Adjacent castor line formed third sideline, positioned at the phase of the castor and second ladder of the first lateral support bar bottom
The line of adjacent castor forms the 4th sideline, and the angle that the first sideline and third sideline are formed is 110 degree to 150 degree, third sideline
It is 110 degree to 160 with the angle that the 4th sideline is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772898.2A CN108915573A (en) | 2018-07-14 | 2018-07-14 | Mobile domestic folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772898.2A CN108915573A (en) | 2018-07-14 | 2018-07-14 | Mobile domestic folding ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108915573A true CN108915573A (en) | 2018-11-30 |
Family
ID=64411566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810772898.2A Withdrawn CN108915573A (en) | 2018-07-14 | 2018-07-14 | Mobile domestic folding ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915573A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630005A (en) * | 2019-01-08 | 2019-04-16 | 昆明理工大学 | A kind of liftable and the ladder being moved easily |
| CN110080674A (en) * | 2019-06-14 | 2019-08-02 | 世亚电子（苏州）有限公司 | A kind of folding ladder |
| CN111425128A (en) * | 2020-03-22 | 2020-07-17 | 刘可夫 | Indoor and outdoor electrician installation and maintenance operation device and operation method |
| CN114150997A (en) * | 2021-12-02 | 2022-03-08 | 中国船舶工业系统工程研究院 | Folding mechanical work ladder for ships |
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| JP2005273304A (en) * | 2004-03-25 | 2005-10-06 | Gop Kk | Portable work bench |
| CN107246236A (en) * | 2017-06-06 | 2017-10-13 | 黄崇华 | Full landform is not fallen terraced |
| CN107558923A (en) * | 2016-07-03 | 2018-01-09 | 朱英 | A kind of self-action gardens pruning ladder |
| CN206888902U (en) * | 2017-03-28 | 2018-01-16 | 包头职业技术学院 | Novel portable machine-building ladder |
| CN107928054A (en) * | 2017-12-29 | 2018-04-20 | 马闯闯 | The brake gear of aircraft wheel luggage case |
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| JP2005273304A (en) * | 2004-03-25 | 2005-10-06 | Gop Kk | Portable work bench |
| CN107558923A (en) * | 2016-07-03 | 2018-01-09 | 朱英 | A kind of self-action gardens pruning ladder |
| CN206888902U (en) * | 2017-03-28 | 2018-01-16 | 包头职业技术学院 | Novel portable machine-building ladder |
| CN107246236A (en) * | 2017-06-06 | 2017-10-13 | 黄崇华 | Full landform is not fallen terraced |
| CN107928054A (en) * | 2017-12-29 | 2018-04-20 | 马闯闯 | The brake gear of aircraft wheel luggage case |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630005A (en) * | 2019-01-08 | 2019-04-16 | 昆明理工大学 | A kind of liftable and the ladder being moved easily |
| CN109630005B (en) * | 2019-01-08 | 2024-03-19 | 昆明理工大学 | Liftable just convenient ladder that removes |
| CN110080674A (en) * | 2019-06-14 | 2019-08-02 | 世亚电子（苏州）有限公司 | A kind of folding ladder |
| CN110080674B (en) * | 2019-06-14 | 2024-05-07 | 苏州中创铝业有限公司 | Folding ladder |
| CN111425128A (en) * | 2020-03-22 | 2020-07-17 | 刘可夫 | Indoor and outdoor electrician installation and maintenance operation device and operation method |
| CN114150997A (en) * | 2021-12-02 | 2022-03-08 | 中国船舶工业系统工程研究院 | Folding mechanical work ladder for ships |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181130 |