CN106639856B - A kind of double ladder and multifunctional ladder - Google Patents
A kind of double ladder and multifunctional ladder Download PDFInfo
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- CN106639856B CN106639856B CN201611139881.0A CN201611139881A CN106639856B CN 106639856 B CN106639856 B CN 106639856B CN 201611139881 A CN201611139881 A CN 201611139881A CN 106639856 B CN106639856 B CN 106639856B
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- 230000006378 damage Effects 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
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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
- E06C1/38—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
- E06C1/387—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 having tip-up steps
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention provides a kind of double ladder and multifunctional ladders, belong to Multipurpose ladder technical field.The double ladder is hingedly made of two ladders, wherein at least one ladder is the first ladder, first ladder includes rack, the first connector, locating part and multiple pedals, pedal is rotatablely connected with rack by first rotating shaft, each pedal is hinged with the first connector respectively, multiple pedals can be simultaneously relative to gantry rotation by the first connector, and there is rack the first end close to two ladder hinged places, locating part to be located at first end.Its is vdiverse in function, and using effect is preferable, and operator is in use, if the higher position in double ladder, can realize that common double ladder becomes the function of slide, person's rapid decrease easy to operation, until the area of safety by operating locating part.The multifunctional ladder includes double ladder mentioned above, the repertoire with double ladder.
Description
Technical field
The present invention relates to Multipurpose ladder technical fields, in particular to a kind of double ladder and multifunctional ladder.
Background technology
Double ladder is also referred to as folding step, because of it in use, preceding for a kind of ascending tool that side space in the plane works
Ladder bars and ground afterwards constitute an isosceles triangle, it appears that are known as ' herringbone as ' people ' word, thus its image
Ladder '.
Practical double ladder has fixed double ladder and moving herringbone ladder.Fixed double ladder is that people build tool temporarily；It is living
Dynamic double ladder is that the top of two ladders is connected together with loose-leaf, can be flexible due to it altogether when mobile
Property, therefore be widely used in ascending a height in operation temporarily.The double ladder of early stage is usually what timber made, with the hair of metal industry
Exhibition utilizes aluminum alloy materials more now；Aluminium alloy herringbone ladder has the characteristics that light, beautiful and durable, and cost is not high, therefore by
It is widely used.
Inventor has found that traditional double ladder at least has the following disadvantages under study for action：
It has a single function, using effect is poor；
For worker in operation on double ladder, an emergency situation is encountered, and injury is easy when descending stair.
Invention content
The object of the present invention is to provide a kind of double ladders, improve the deficiencies in the prior art, vdiverse in function, use effect
Fruit is preferable, and operator is in use, if the higher position in double ladder, can realize common herringbone by operating locating part
Ladder becomes the function of slide, person's rapid decrease easy to operation, until the area of safety, slides that effect is preferable, and whole using effect is preferable.
Another object of the present invention is to provide a kind of multifunctional ladders, can realize multiple ladders while use,
Vdiverse in function, reasonable in design, mechanism is compact, by the way that similar and different ladder is hinged or detachable connection so that
The multifunctional ladder can adapt to different environment, this is simple in structure, and manufacturing cost is low, and market application potential is huge, uses effect
Fruit is preferable.
What the embodiment of the present invention was realized in：
The embodiment provides a kind of double ladders, are hingedly made of two ladders, and wherein at least one ladder is
First ladder, the first ladder include that rack, the first connector, locating part and multiple pedals, pedal are rotatable by first rotating shaft
Be connected to rack, each pedal is hinged with the first connector respectively, and multiple pedals can be opposite simultaneously by the first connector
In gantry rotation, there is rack the first end close to two ladder hinged places, locating part to be located at first end, and the first ladder has
Pedal tilts relative to the length direction of rack relative to the rotatable first state of rack and pedal and is made by locating part
Pedal is relative to fixed second state of rack.
Specifically, the double ladder is realized by the first connector while operating multiple pedals relative to rack while rotating,
When needed, locating part is operated, realizes multiple pedals relative to gantry rotation or fixation, it is simple in structure, it is vdiverse in function,
If operator can realize that common double ladder becomes the ladder that can be slided in the higher position of double ladder by operating locating part
Son, operator reduce damage to greatest extent by the ladder rapid decrease.This is reasonable in design, whole using effect
Preferably.
Optionally, pedal is relatively fixed with first rotating shaft and is connected to rack, machine along the axially slidable of first rotating shaft
The slot that is embedded being equipped with for being embedded pedal is set up, locating part is articulated with rack, and one end of locating part is connected with the first connector, limit
When the other end rotation of position part, the first connector can make pedal closer or far from slot is embedded, and in the first state, pedal is detached from
It is embedded slot and pedal is rotatable relative to rack, in the second condition, pedal, which is embedded at, to be embedded in slot and pedal is relative to rack
It is fixed.
Optionally, the first ladder further includes return unit, and rack is connected with pedal by return unit, and return unit enables pedal have
Close to the movement tendency for being embedded slot.
Optionally, being provided with close to the side for being embedded slot for pedal coordinates the embedding part for being embedded slot.
Optionally, locating part includes handle part, auxiliary section and the rotation section being connect with gantry rotation, and auxiliary section and first connect
Fitting connects, and handle part and matching part are in the both sides of rotation section, and the length of handle part is more than the length of auxiliary section.
Optionally, the quantity of locating part is two, and two locating parts are located at the close first end of rack and separate
At first end, two handle parts of two locating parts are connected by connecting rod, and connecting rod, rack and two locating parts constitute four bars
Mechanism.
Optionally, rack is provided with sliding slot, and sliding slot extends along the length direction of rack, and the first ladder further includes transport group
Part, transport assembly include the second connector, control piece and sliding part, and sliding part includes the sliding being slidably embedded in sliding slot
Portion and first connecting portion for being connect with tool box, control piece are located at the close first end of rack, and the one of the second connector
End is connected with sliding part, and the other end of the second connector is connected with control piece, and control piece controls sliding part closer or far from control
Part.
Optionally, control piece includes runner and bull stick, and runner is rotatablely connected with rack, runner setting around the second shaft
There is a turn hole, turn hole is close to the edge of runner, and the axis of the axis of turn hole and the second shaft is arranged side by side, and bull stick is slidably worn
It is connected with sliding part in one end of turn hole, the second connector, the other end winding runner of the second connector, it is sliding when rotating wheel
For moving part closer or far from runner, turn hole is through-hole, control piece have runner can relative to the third state of gantry rotation, and
One end of bull stick abuts rack and runner is relative to fixed 4th state of rack.
Optionally, other in which ladder is the second ladder, and the second ladder is slide, and slide is provided with slide plate, on slide plate
It is provided with hole of creeping.
The embodiments of the present invention also provide a kind of multifunctional ladders comprising third ladder and herringbone mentioned above
Ladder, the both ends of third ladder are removably connected to the both ends of double ladder, and third ladder is arranged close to one end of the first ladder
There are second connecting portion, the first ladder to be provided with the third interconnecting piece of cooperation second connecting portion, multifunctional ladder has third ladder
The 5th state of triangle is formed with double ladder and second connecting portion coordinates third interconnecting piece and third ladder is along the first ladder
Length direction setting the 6th state.
Specifically, the multifunctional ladder includes double ladder mentioned above, the repertoire with the double ladder, and by
In having additional third ladder so that the function of the multifunctional ladder is more diversified, and reasonable design, mechanism is compact, by not
Same or identical ladder is hinged or detachable connection so that the multifunctional ladder can adapt to different environment, structure letter
Single, manufacturing cost is low, and market application potential is huge, and using effect is preferable.
Compared with prior art, the advantageous effect of the embodiment of the present invention is：
In conclusion the double ladder is realized by the first connector while operating multiple pedals relative to rack while turning
It is dynamic, when needed, locating part is operated, realizes multiple pedals relative to gantry rotation or fixation, simple in structure, function is more
Sample, if operator can realize that common double ladder becomes to slide in the higher position of double ladder by operating locating part
Ladder, operator by the ladder rapid decrease, and to greatest extent reduce damage.This is reasonable in design, whole to use
Effect is preferable.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram under the second state of the double ladder that the embodiment of the present invention 1 provides；
Fig. 2 is the schematic diagram under the first state of double ladder shown in FIG. 1；
Fig. 3 is the schematic diagram for being embedded slot of double ladder shown in FIG. 1；
Fig. 4 is the schematic diagram of the second ladder of double ladder shown in FIG. 1；
Fig. 5 is the schematic diagram for the locating part that the embodiment of the present invention 2 provides；
Fig. 6 is the schematic diagram of the transport assembly for the double ladder that the embodiment of the present invention 3 provides；
Fig. 7 is the partial enlarged view at the VII of double ladder shown in fig. 6；
Fig. 8 is the schematic diagram for the multifunctional ladder that the embodiment of the present invention 4 provides.
Icon：200- multifunctional ladders；100- double ladders；The first ladders of 11-；The second ladders of 13-；21- third ladders；
111- racks；The first connectors of 113-；114- transport assemblies；115- locating parts；116- return units；117- pedals；119- first
Shaft；1111- is embedded slot；1113- sliding slots；1171- embedding parts；1151- handle parts；The rotation sections 1153-；The auxiliary sections 1155-；
The second connectors of 1141-；1143- control pieces；1145- sliding parts；11431- runners；11433- bull sticks；11435- turn holes；210-
Second connecting portion；110- third interconnecting pieces；131- slide plates；1311- creeps hole；The tool boxes 31-.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term "upper", "lower", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term
" first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
Embodiment 1
Referring to FIG. 1, present embodiments providing a kind of double ladder 100, hingedly it is made of two ladders.
Two hinged ladders show " people " font.The double ladder 100 can be widely applied to side space in the plane
In this kind of environment of operation, as ascending tool, double ladder 100 has its distinctive practical significance.
It please refers to Fig.1 with 2, specifically, the wherein at least one ladder of the double ladder 100 is the first ladder 11, the first ladder
Son 11 can by first rotating shaft 119 including rack 111, the first connector 113, locating part 115 and multiple pedals 117, pedal 117
Rotation is connected to rack 111, and each pedal 117 is hinged with the first connector 113 respectively, and multiple pedals 117 connect by first
Fitting 113 can be rotated relative to rack 111 simultaneously, and rack 111 has the first end close to two ladder hinged places, locating part
115 are located at first end, and the first ladder 11 has pedal 117 relative to 111 rotatable first state of rack and pedal
117 relative to rack 111 length direction tilt and make pedal 117 relative to rack 111 fixed second by locating part 115
State.
The double ladder 100 is realized by the first connector 113 while operating multiple pedals 117 relative to rack 111 simultaneously
Rotation operates locating part 115 when needed, realizes that multiple pedals 117 are rotated or fixed, structure relative to rack 111
Simply, vdiverse in function, if operator can realize ordinary people in the higher position of double ladder 100 by operating locating part 115
Word ladder 100 becomes the function for the ladder that can be slided, and operator reduces damage to greatest extent by the ladder rapid decrease
Wound.This is reasonable in design, and whole using effect is preferable.
Referring to FIG. 3, optional, pedal 117 is relatively fixed with first rotating shaft 119 and can along the axial direction of first rotating shaft 119
Sliding is connected to rack 111, and rack 111 is provided with is embedded slot 1111 for be embedded pedal 117, and locating part 115 is articulated with
Rack 111, one end of locating part 115 and the connection of the first connector 113, when the other end of locating part 115 rotates, the first connector
113 can make pedal 117 closer or far from slot 1111 is embedded, and in the first state, the disengaging of pedal 117 is embedded slot 1111 and pedal
117 is rotatable relative to rack 111, in the second condition, pedal 117 be embedded at be embedded in slot 1111 and pedal 117 relative to
Rack 111 is fixed.
Specifically, the pedal 117 can be fixedly connected with first rotating shaft 119, can also be integrally formed.Pass through pedal 117
Itself clamping is embedded slot 1111, and fixed effect is preferable, and pedal 117 cannot be rotated relative to rack 111, and the person of being conveniently operated is ascending a height
During, it is not easy to it slips.When rotary spacing part 115, according to lever principle, it can realize that the driving of the first connector 113 is stepped on
For plate 117 closer or far from slot 1111 is embedded, using effect is preferable.
The locating part 115 is hinged by flexural pivot and rack 111, can be with when which rotates around first rotating shaft 119
It realizes multiple pedals 117 while rotating.When the locating part 115 is along the length direction rotation of first rotating shaft 119, pass through the first connection
The pulling function of part 113, the pedal 117 are moved along the width direction of rack 111, and the disengaging of pedal 117 is made to be embedded slot 1111 or embedding
Set on being embedded in slot 1111.
Herein, the pedal 117 and first rotating shaft 119 jointly relative to rack 111 slidably, can also be that this first
Shaft 119 is fixedly connected with rack 111, which is arranged in pedal 117, and the pedal 117 is relative to first rotating shaft
119 it is axially slidable.
Optionally, the first ladder 11 further includes return unit 116, and rack 111 and pedal 117 are connected by return unit 116, multiple
Position part 116 enables pedal 117 have close to the movement tendency for being embedded slot 1111.
The return unit 116 can be spring, elastic drag rope or other elastic constructions, due to having additional return unit 116 so that
Pedal 117 can firmly be embedded at and be embedded in slot 1111, and fixed effect is preferable.The elastic force adjusting of the return unit 116 is arrived
Suitable position, or the suitable spring of selection so that when operating locating part 115, required power is moderate, passes through rotary spacing
Part 115, lucky power can make the disengaging of pedal 117 be embedded slot 1111, and pedal 117 can be made to be rotated relative to rack 111,
When pedal 117 being needed to fix, the restoring force of return unit 116 can help operator that pedal 117 is embedded into being embedded in slot 1111.
Optionally, being provided with close to the side for being embedded slot 1111 for pedal 117 coordinates the embedding part 1171 for being embedded slot 1111.
The embedding part 1171 can be fixedly connected with pedal 117, can also be integrally formed.The embedding part 1171 is relative to stepping on
117 protrusion of plate, is embedded in slot 1111 convenient for being embedded at, avoids causing pedal 117 larger damage so that pedal 117 makes
It is improved significantly with the service life.
Referring to FIG. 4, optional, other in which ladder is the second ladder 13, and the second ladder 13 is slide, slide setting
There is slide plate 131, hole 1311 of creeping is provided on slide plate 131.
The double ladder 100 of this structure, can when in use, and operator directly passes through second in the eminence of double ladder 100
Ladder 13 slides.
Having in the family of child, the ladder of this structure can increase the interest of family, and children can be in slide plate 131
Side by creep hole 1311 practice creep, can also by the first ladder 11 arrive eminence, then from the second ladder 13 slide
Under, it can be recreational relatively strong, child grows are helped larger.
A kind of double ladder 100 provided according to embodiments of the present invention, the work step using double ladder 100 are：
Under normal condition, pedal 117, which is embedded at, to be embedded in slot 1111, and pedal 117 is fixed relative to rack 111.
Step 1：Operator is ascended a height by pedal 117, aloft operation；
Step 2：Rotary spacing part 115 makes the disengaging of pedal 117 be embedded slot 1111, and pedal 117 can turn relative to rack 111
It is dynamic；
Step 3：Rotary spacing part 115 makes pedal 117 rotate, and multiple pedals 117 are in a plane, multiple pedals
117 and rack 111 slidable channel is collectively formed；
Step 4：Operator is slided by the first ladder 11.
Operator can also be ascended a height operation by pedal 117, then be slided by the second ladder 13.
Embodiment 2
The present embodiment also provides a kind of double ladder 100, and the technical solution that embodiment 1 describes is equally applicable to this implementation
Example, 1 published technical solution of embodiment are not repeated to describe.
Referring to FIG. 5, specifically, the present embodiment and embodiment 1 difference lies in, locating part 115 include handle part 1151,
Auxiliary section 1155 and the rotation section 1153 being rotatablely connected with rack 111, auxiliary section 1155 and the connection of the first connector 113, hold
Portion 1151 and auxiliary section 1155 are located at the both sides of rotation section 1153, and the length of handle part 1151 is more than the length of auxiliary section 1155
Degree.
There are certain frictional resistances between the pedal 117 and rack 111, and according to lever principle, the length of handle part 1151 is big
Length in auxiliary section 1155, operator are more laborsaving when pulling locating part 115.
Optionally, the quantity of locating part 115 is two, and two locating parts 115 are located at the close first end of rack 111
At place and separate first end, two handle parts 1151 of two locating parts 115 are connected by connecting rod, connecting rod, 111 and of rack
Two locating parts 115 constitute four-bar mechanism.
After being provided with the locating part 115 at the separate first end of rack 111, operator can operate limit in the position
Part 115 makes pedal 117 be rotated relative to rack 111, and when double ladder 100 is placed on the ground, operator can be close to ground
One end by 115 control pedal 117 of locating part, using effect is preferable, and person easy to operation uses.
A kind of double ladder 100 provided according to embodiments of the present invention, the work step using double ladder 100 are：
Under normal condition, which is in any position.
Step 1：Locating part 115 of the operation far from first end, makes the first ladder 11 be under the second state；
Step 2：Operator is ascended a height operation by pedal 117；
Step 3：Operation makes the first ladder 11 be under first state close to the locating part 115 of first end；
Step 4：Operator is slided by the first ladder 11.
Operator can also be ascended a height operation by pedal 117, then be slided by the second ladder 13.
Embodiment 3
The present embodiment also provides a kind of double ladder 100, and the technical solution that embodiment 1 or 2 describes is equally applicable to this reality
Example is applied, the published technical solution of embodiment 1 or 2 is not repeated to describe.
Referring to FIG. 6, specifically, the present embodiment is with embodiment 1 or 2, difference lies in rack 111 is provided with sliding slot
1113, sliding slot 1113 extends along the length direction of rack 111, and the first ladder 11 further includes transport assembly 114, transport assembly 114
Including the second connector 1141, control piece 1143 and sliding part 1145, sliding part 1145 includes slidably being embedded at sliding slot
Sliding part in 1113 and the first connecting portion for being connect with tool box 31, control piece 1143 be located at rack 111 close to the
At one end, one end of the second connector 1141 and sliding part 1145 connect, the other end and control piece of the second connector 1141
1143 connections, control piece 1143 control sliding part 1145 closer or far from control piece 1143.
Operator often carries tool in the high-rise working of double ladder 100, the transport assembly 114 which adds,
Before ascending a height, by tool inserter case 31, which effectively can help operator aloft to take work
Tool, using effect is preferable, in specific implementation, operator is avoided aloft in order to look for tool, to influence the balance of double ladder 100.The knot
Structure can effectively ensure that operator's is safe to use.
Optionally, which is drawstring or telescopic rod.By pulling 1141 implementation tool of the second connector
The function that case 31 moves.
In order to make those skilled in the art are clearer to understand the present embodiment, control piece 1143 is carried out specifically below
It is bright.
Referring to FIG. 7, control piece 1143 includes runner 11431 and bull stick 11433, runner 11431 can turn around the second shaft
Dynamic is connected to rack 111, and runner 11431 is provided with turn hole 11435, and turn hole 11435 is close to the edge of runner 11431, turn hole
11435 axis and the axis of the second shaft are arranged side by side, and bull stick 11433 is slidably arranged in turn hole 11435, the second connection
One end of part 1141 and sliding part 1145 connect, the other end winding runner 11431 of the second connector 1141, rotating wheel
When 11431, for sliding part 1145 closer or far from runner 11431, turn hole 11435 is through-hole, and control piece 1143 has runner 11431
Rack 111 can be abutted relative to the one end for the third state and bull stick 11433 that rack 111 rotates and runner 11431 is opposite
In 111 fixed 4th state of rack.
Runner 11431 rotates when needed, and realization is by tool box 31 to close to first from the separate first end of rack 111
Move back and forth between end, which may be implemented when needed, and rotation bull stick 11433 makes 11431 turns of runner
It is dynamic, drive the tool box 31 to move, when needing the tool box 31 to be fixed with respect to rack 111, by bull stick 11433 with respect to runner
11431 slidings make one end of the bull stick 11433 abut rack 111 and realize 11431 phase of runner by the abutting effect of itself
To 111 fixed effect of rack, easy to operate, using effect is preferable.
Optionally, the transport assembly 114 and locating part 115 are located at the same side of the first ladder 11 or are located at the first ladder
The both sides of son 11.
A kind of double ladder 100 provided according to embodiments of the present invention, the work step using double ladder 100 are：
Step 1：It will be in tool inserter case 31；
Step 2：Locating part 115 is operated, pedal 117 is made to be fixed relative to rack 111；
Step 3：Operator is ascended a height by pedal 117；
Step 4：Operator's rotating wheel 11431 makes tool box 31 close to first end, at the desired position, makes bull stick
11433 wear turn hole 11435, and one end of bull stick 11433 abuts rack 111, and tool box 31 is made to be fixed relative to rack 111.
Embodiment 4
Referring to FIG. 8, present embodiments providing a kind of multifunctional ladder 200, which includes third ladder
21 and double ladder 100 mentioned above, the both ends of third ladder 21 are removably connected to the both ends of double ladder 100, third ladder
Son 21 is provided with second connecting portion 210 close to one end of the first ladder 11, and the first ladder 11 is provided with cooperation second connecting portion
There is third ladder 21 and double ladder 100 to form the 5th shape of triangle for 210 third interconnecting piece 110, multifunctional ladder 200
What state and the cooperation third of second connecting portion 210 interconnecting piece 110 and third ladder 21 were arranged along the length direction of the first ladder 11
6th state.
The structure of double ladder 100 can have the institute of double ladder 100 active with reference implementation example 1-3, the multifunctional ladder 200
Energy.
The structure of third ladder 21 can be common ladder, can also be the first ladder 11 or the second ladder mentioned above
Son 13.Under peacetime state, third ladder 21 can be connected on double ladder 100, and the state that " △ " is presented when in use can
Third ladder 21 to be mounted on the first ladder 11, extend the length of the first ladder 11.Second ladder 13 rotates, and makes the second ladder
When son 13 extends along the length direction of the first ladder 11, the length of the multifunctional ladder 200 is further extended.
First connecting portion and second connecting portion 210 can be the internal thread and external screw thread being equipped with, 11 He of the first ladder
The both ends of third ladder 21 are threadedly coupled.
The both ends of first ladder 11 and third ladder 21 can also be clamping.
Specifically, due to having additional third ladder 21 so that the function of the multifunctional ladder 200 is more diversified, sets
Meter is reasonable, and mechanism is compact, by the way that similar and different ladder is hinged or detachable connection so that 200 energy of multifunctional ladder
Different environment is enough adapted to, this is simple in structure, and manufacturing cost is low, and market application potential is huge, and using effect is preferable.
In conclusion the present invention provides a kind of double ladder 100, which is realized together by the first connector 113
When operate multiple pedals 117 relative to rack 111 while rotating, when needed, operate locating part 115, realize and multiple steps on
Plate 117 is rotated or is fixed relative to rack 111, simple in structure, vdiverse in function, if operator is in the high bit of double ladder 100
It sets, can realize that common double ladder 100 becomes the ladder that can be slided by operating locating part 115, operator passes through the ladder
Sub- rapid decrease, and damage is reduced to greatest extent.This is reasonable in design, and whole using effect is preferable.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of double ladder is hingedly made of two ladders, which is characterized in that ladder described in wherein at least one is the first ladder
Son, first ladder include rack, the first connector, locating part and multiple pedals, and the pedal can be turned by first rotating shaft
Dynamic is connected to the rack, and each pedal is hinged with first connector respectively, and multiple pedals pass through described
First connector can be simultaneously relative to the gantry rotation, and the rack has first close to two ladder hinged places
End, the locating part are located at the first end, and first ladder has the pedal rotatable relative to the rack
First state and the pedal tilt relative to the length direction of the rack and make the pedal phase by the locating part
For fixed second state of the rack；
The pedal is relatively fixed with the first rotating shaft and is connected to the machine along the axially slidable of the first rotating shaft
Frame, the rack are provided with the slot that is embedded for being embedded the pedal, and the locating part is articulated with the rack, the locating part
One end connected with first connector, when the rotation of the other end of the locating part, first connector can make described
Pedal is embedded slot closer or far from described, in said first condition, slot and the pedal phase is embedded described in the pedal disengaging
Rotatable for the rack, in said second condition, the pedal is embedded at described be embedded in slot and the pedal is opposite
It is fixed in the rack.
2. double ladder according to claim 1, which is characterized in that first ladder further includes return unit, the rack
It is connected by the return unit with the pedal, the return unit enables the pedal that there is the movement for being embedded slot described in become
Gesture.
3. double ladder according to claim 1, which is characterized in that the pedal is arranged close to the side for being embedded slot
There is the embedding part that slot is embedded described in cooperation.
4. according to claim 1-3 any one of them double ladders, which is characterized in that the locating part includes handle part, cooperation
Portion and the rotation section being connect with the gantry rotation, the auxiliary section are connected with first connector, the handle part and institute
Matching part is stated in the both sides of the rotation section, and the length of the handle part is more than the length of the auxiliary section.
5. double ladder according to claim 4, which is characterized in that the quantity of the locating part is two, two limits
Position part is located at the close first end of the rack and at the separate first end, two of two locating parts
The handle part is connected by connecting rod, and the connecting rod, the rack and two locating parts constitute four-bar mechanism.
6. double ladder according to claim 1, which is characterized in that the rack is provided with sliding slot, and the sliding slot is described in
The length direction of rack extends, and first ladder further includes transport assembly, and the transport assembly includes the second connector, control
Part and sliding part, the sliding part include the sliding part being slidably embedded in the sliding slot and for being connect with tool box
First connecting portion, the control piece are located at the close first end of the rack, one end of second connector and institute
Sliding part connection is stated, the other end of second connector is connected with the control piece, and the control piece controls the sliding part
Closer or far from the control piece.
7. double ladder according to claim 6, which is characterized in that the control piece includes runner and bull stick, the runner
It is rotatablely connected with the rack around the second shaft, the runner is provided with turn hole, and the turn hole is close to the side of the runner
The axis of edge, the axis of the turn hole and second shaft is arranged side by side, and the bull stick is slidably arranged in the turn hole,
One end of second connector is connected with sliding part, runner described in the other end winding of second connector, rotating wheel
When, for the sliding part closer or far from the runner, the turn hole is through-hole, and the control piece has the runner can be opposite
In the third state of the gantry rotation and one end of the bull stick abuts the rack and the runner is relative to the machine
Fixed 4th state of frame.
8. double ladder according to claim 1, which is characterized in that other in which ladder be the second ladder, described second
Ladder is slide, and the slide is provided with slide plate, and hole of creeping is provided on the slide plate.
9. a kind of multifunctional ladder, which is characterized in that including third ladder and claim 1-8 any one of them double ladders,
The both ends of the third ladder are removably connected to the both ends of the double ladder, close first ladder of the third ladder
One end of son is provided with second connecting portion, and first ladder is provided with the third interconnecting piece for coordinating the second connecting portion, institute
It states multifunctional ladder and forms the 5th state of triangle and second connection with the third ladder and the double ladder
The 6th state that portion coordinates the third interconnecting piece and the third ladder is arranged along the length direction of first ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139881.0A CN106639856B (en) | 2016-12-12 | 2016-12-12 | A kind of double ladder and multifunctional ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139881.0A CN106639856B (en) | 2016-12-12 | 2016-12-12 | A kind of double ladder and multifunctional ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639856A CN106639856A (en) | 2017-05-10 |
| CN106639856B true CN106639856B (en) | 2018-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139881.0A Active CN106639856B (en) | 2016-12-12 | 2016-12-12 | A kind of double ladder and multifunctional ladder |
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| Country | Link |
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| CN (1) | CN106639856B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939274A (en) * | 2017-12-27 | 2018-04-20 | 江苏苏云医疗器材有限公司 | Convert ladder |
| CN109335751A (en) * | 2018-10-09 | 2019-02-15 | 董方舟 | Ladder device is pedaled in a kind of folding of logistics transportation truck |
| CN109538108A (en) * | 2019-01-04 | 2019-03-29 | 汪志勇 | A kind of adjustable ladder of pedal angle |
| CN111705661A (en) * | 2020-05-12 | 2020-09-25 | 中交一公局第四工程有限公司 | Bridging device with anchoring function |
| CN113802975A (en) * | 2021-10-25 | 2021-12-17 | 东莞长谷川金属制品有限公司 | Pedal system and ladder |
| CN114232453A (en) * | 2022-01-04 | 2022-03-25 | 晟民建设有限公司 | Overlap joint bridge that municipal works were used |
-
2016
- 2016-12-12 CN CN201611139881.0A patent/CN106639856B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106639856A (en) | 2017-05-10 |
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