CN110056304A - A kind of novel and multifunctional ladder - Google Patents
A kind of novel and multifunctional ladder Download PDFInfo
- Publication number
- CN110056304A CN110056304A CN201910192714.XA CN201910192714A CN110056304A CN 110056304 A CN110056304 A CN 110056304A CN 201910192714 A CN201910192714 A CN 201910192714A CN 110056304 A CN110056304 A CN 110056304A
- Authority
- CN
- China
- Prior art keywords
- cross bar
- strut
- connecting rod
- shell
- bar
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- 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
- E06C1/38—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
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Ladders (AREA)
Abstract
The present invention relates to a kind of novel and multifunctional ladders, including two supporting legs and two pedestals, two supporting legs are obliquely installed respectively, and the upper end of two supporting legs is hinged by connection fixture, two pedestals are located between two supporting legs, and the lower end that one end that two pedestals mutually deviate from passes through connection fixture and two supporting legs respectively is hinged;Supporting leg includes multiple ladder component units, is connected between two adjacent ladder component units by connector;The strut and the telescopic cross bar of Duo Gen that ladder component units are arranged by two spacing side by side are formed by connecting, and more cross bar spacing side by side and are slidably arranged between two struts.The beneficial effects of the invention are as follows can not only be used for vertical ladder use, vehicle use of hauling goods can also be acted on, transformation is flexible and convenient, and it is vdiverse in function, it is easy to use, it is with strong applicability.
Description
Technical field
The present invention relates to articles for daily use technical fields, and in particular to a kind of novel and multifunctional ladder.
Background technique
Ladder, by two root long thick bars as fixed edge, is crossed between two root long thick bars for climbing the tool ascended a height
It is provided with the cross bar for trampling;Ladder is also to be seen everywhere in life, and application is extremely wide;Field is used with for different
Conjunction, different use demands etc., ladder is gradually developed by simplest structure, is additionally arranged many more practical functions, such as
For the ease of storage, the development & production ladder that can be folded is strutted when in use, can be folded after use for storing,
Smaller to space hold, the workmanship of folding ladder must be solid secured, and just can guarantee has good supportive when strutting, simultaneously
Securely and reliably;Because folding ladder can convenient for storage, carry the advantages of, can be used for various civil engineerings, fitting-out work or
The occasions such as power grid maintenance are staff with many conveniences.In the prior art it is seen that most of ladder be herringbone
Ladder or vertical ladder, and have a single function, this to cause maintenance personal certain inconvenience, it is difficult to be applicable in different operation models
It encloses.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of novel and multifunctional ladders, can not only be used for vertical ladder use,
Vehicle use of hauling goods can be acted on, transformation is flexible and convenient, and it is vdiverse in function, it is easy to use, it is with strong applicability.
The technical scheme to solve the above technical problems is that
A kind of novel and multifunctional ladder, including two supporting legs and two pedestals, two supporting legs are obliquely installed respectively, and
The upper end of two supporting legs is hinged by connection fixture, and two pedestals are located between two supporting legs, and two
The lower end that one end that a pedestal mutually deviates from passes through the connection fixture and two supporting legs respectively is hinged;The branch
Leg includes multiple ladder component units, is connected between the ladder component units of adjacent two by connector;The ladder
The strut and the telescopic cross bar of Duo Gen that component units are arranged by two spacing side by side are formed by connecting, the more cross bars side by side between
Every and be slidably arranged between two struts.
The beneficial effects of the present invention are: two supporting legs, which set up inverted V shaped ladder by connection fixture, climbs part, two
A pedestal is hinged with the lower end of two supporting legs respectively, and pedestal plays a supporting role to entire ladder, and people is facilitated to utilize the application
Provided ladder is taken the article of eminence;Supporting leg includes multiple ladder component units, can select different numbers according to actual needs
The ladder component units of amount adjust operation height to assemble the supporting leg of different height to meet the different demands of people, user
Just;In addition, the length and quantity of cross bar can be adjusted according to actual needs, the climbing of different crowd can be suitable for,
Versatility is stronger.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the connection fixture includes the connection shell connecting with any one leg ends and remaining institute
Connector, turntable and the positioning component of leg ends or base end connection are stated, the turntable is rotatably installed in the company
In body contact body;The connector is arranged outside the connection shell and one end extends in the connection shell and with described turn
Disk connection, the connector is rotated together with the turntable and the connection shell is equipped with and the connector rotary motion trace
The opening one matched;The positioning component is arranged in the connection shell to position to the turntable.
Beneficial effect using above-mentioned further scheme is that connector is connected by turntable with housing into rotation is connect, and facilitates tune
Whole angle, so as to adjust the aperture between two supporting legs;After the completion of connector adjustment, turntable is positioned by positioning component
It is easy to operate two supporting legs to be fixed.
Further, the positioning component includes sliding block one, fixed link, handle and spring one, and the connection shell is described in
Being radially provided with for turntable is slidably arranged in the sliding slot one with its internal sliding slot one being connected to, the sliding block one, the turntable
It is circumferentially spaced about equipped with multiple with the sliding block one cooperation locating slots;The fixed link is slidably arranged in the sliding slot one
And one end is connect with the sliding block one far from one end of the locating slot, the spring one is set in the sliding block one and described
In fixed link, the handle is arranged outside the connection shell and one end extends in the sliding slot one and with the sliding block one
Connection, one end of the spring one are abutted with the handle, and the other end is abutted with the slot bottom of the sliding slot one, the connection shell
It is equipped with the opening five for being arranged along one glide direction of sliding block and being connected to the sliding slot one.
Beneficial effect using above-mentioned further scheme is manually to pass through handle when needing to rotate turntable and push sliding block one
Turntable is made it away from, spring one is in compressive state at this time;After turntable turns to setting position, handle is unclamped, sliding block one exists
Turntable is moved closer under the elasticity tension of spring one and one end is inserted into corresponding locating slot, so that turntable is positioned,
Prevent turntable from rotating, it is easy to operate.
Further, the cross bar includes cross bar one, cross bar two and latch assembly, two inner hollow of cross bar and one end is spacious
Mouthful, the other end of the cross bar two is slidably connected with any one strut;The cross bar two is protruded into one end of the cross bar one
Open at one end in and be slidably connected with the cross bar two, the other end is slidably connected with the remaining strut, the clamping lock group
Part is mounted on one end of the cross bar one or the cross bar two to fix the two;The opposite side of two struts is set respectively
There is the sliding slot two with the cross bar one and the cooperation of the cross bar two.
Beneficial effect using above-mentioned further scheme is that cross bar one is slidably mounted in cross bar two, to adjust cross bar
Length facilitates different occasions or different crowd to carry out climbing operation, and easy to use, versatility is stronger;Cross bar is adjusted to setting length
It after degree, is positioned by latch assembly, structure is simple, easy to operate.
Further, the latch assembly includes and the matched shell of two shape of cross bar and is mounted in the shell
Slide plate, positioning pin and at least one spring two, the shell be slidably mounted in the cross bar two and with the cross bar one
One end connection;The spring two is along perpendicular to the axial setting of the cross bar two and the inner sidewall of one end and shell company
It connects, axial setting and one side of the slide plate along the cross bar two are abutted with the other end of the spring two;The positioning pin
It is arranged along the axial direction perpendicular to the cross bar two and one end is connect with the other side of the slide plate, on the side wall of the cross bar two
Multiple location holes are equipped with along its axially spaced-apart, the other end of the positioning pin passes through the shell and matches with location hole clamping
It closes, the shell is equipped with the through-hole passed through for the positioning pin.
Beneficial effect using above-mentioned further scheme is when adjusting, by manually pressing positioning pin so that it is contracted to cross
In bar two, then slide cross bar one to positioning pin to corresponding location hole at, at this time positioning pin the other end in two bullet of spring
It is inserted into corresponding positioning hole under the action of property tension, to position to cross bar two, structure is simple, easy to operate.
Further, the side of the rectangular in cross-section of the shell, the slide plate is equipped with for stirring the slide plate slides
Shifting block, the shell, which is equipped with, stirs the opening two of path matching with the shifting block, on the cross bar two along its be axially arranged with
The opening three of the shifting block cooperation.
Beneficial effect using above-mentioned further scheme is to facilitate people to stir slide plate by shifting block, to receive positioning pin
It is reduced in cross bar two, it is easy to operate.
Further, the strut is equipped with roll wheel assembly, and the roll wheel assembly includes mobile jib, universal wheel, connecting rod four, connecting rod
Five and locating piece, one end of the mobile jib and the strut are hinged, and the universal wheel is rotatably installed in the other end of the mobile jib,
The locating piece is mounted on the strut and positions to one end of the mobile jib;One end of the connecting rod four and the branch
Bar is hinged, and one end of the connecting rod five and the other end of the connecting rod four are hinged, and the other end is with the mobile jib close to described universal
One end of wheel is hinged.
Beneficial effect using above-mentioned further scheme is to be laid flat two supporting legs to make the two in same level, so
The mobile jib on each strut, which is removed, afterwards keeps its in a vertical shape, and mobile jib is positioned, so that a vehicle use of hauling goods is formed,
It is easy to adjust flexible, it is vdiverse in function, it is easy to use.
Further, the upside of the strut is equipped with guardrail mechanism, and the guardrail mechanism includes guard bar, lifting assembly and extremely
A few connecting rod one, the guard bar are arranged in parallel in the top of the strut, and the lifting assembly and the connecting rod one are pacified respectively
Between the guard bar and the strut, and the lifting assembly top and bottom and the top and bottom of the connecting rod one
It is hinged with the guard bar and the strut respectively.
Beneficial effect using above-mentioned further scheme is to work as ladder to be changed into draw train in use, manual adjustment is gone up and down
Component rises guard bar, to play protective action to the cargo of carrying, prevents cargo from sliding from vehicle of hauling goods, and protects goods
Object.
Further, the lifting assembly includes connecting rod two, connecting rod three, sliding block two and block case, and the two of the connecting rod two
End is hinged with the guard bar and the strut respectively, and one end of the connecting rod three and the connecting rod two are hinged;The block case
It is mounted on the strut, the sliding block two slides axially along the strut to be mounted in the block case, and the sliding block
Position in shell close to one end is equipped with the limiting slot for being limited to the sliding block two;The side of the sliding block two and institute
The other end for stating connecting rod three is hinged, and the side wall of the block case is equipped with opening four identical with two track of sliding block.
Beneficial effect using above-mentioned further scheme is manually to push sliding block two to make it away from connecting rod two by connecting rod three
It is slided in limiting slot to sliding block two, so that guard bar be risen;When needing to pack up guard bar, manually pass through connecting rod three for sliding block two
It is lifted out of limiting slot, then sliding block two is pushed to make it close to connecting rod two, so that guard bar be packed up, structure is simple, easy to operate.
Further, the pedestal includes two curved bars, and one end of the curved bar passes through the connection fixture and position respectively
Hinged in one end of two struts of any one supporting leg bottom, the other end of any one curved bar is hollow and opens
Mouthful, and it is slidably located on the other end of the remaining curved bar.
Beneficial effect using above-mentioned further scheme is that the other end of any one curved bar and the other end of remaining curved bar are slided
Dynamic connection is not necessarily to positioning component, structure is simple, easy to operate so as to pedestal being adjusted according to the width adequate of supporting leg.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the structural schematic diagram of ladder component units in the present invention;
Fig. 3 is the enlarged drawing of B in Fig. 2;
Fig. 4 is the structural schematic diagram of latch assembly in the present invention;
Fig. 5 is the expanded view of ladder component units in the present invention, guardrail mechanism and roll wheel assembly assembling;
Fig. 6 is the enlarged drawing of C in Fig. 5;
Fig. 7 is the gathering figure of ladder component units in the present invention, guardrail mechanism and roll wheel assembly assembling;
Fig. 8 is one of the structural schematic diagram of connection fixture in the present invention;
Fig. 9 is the second structural representation of connection fixture in the present invention;
Figure 10 is the cross-sectional view in the direction A-A in Fig. 9;
Figure 11 is the structural schematic diagram of pedestal in the present invention;
Figure 12 is the structural schematic diagram that the present invention is converted to vehicle of hauling goods.
In attached drawing, parts list represented by the reference numerals are as follows:
1, supporting leg, 11, strut, 12, cross bar, 121, cross bar one, 122, cross bar two, 123, latch assembly, 1231, shell,
1232, slide plate, 1233, positioning pin, 1234, spring two, 1235, shifting block, 124, location hole, 2, pedestal, 21, curved bar, 3, connection
Fixing piece, 31, connection shell, 32, turntable, 33, connector, 34, positioning component, 341, sliding block one, 342, fixed link, 343,
Hand, 344, spring one, 4, guardrail mechanism, 41, guard bar, 42, lifting assembly, 421, connecting rod two, 422, connecting rod three, 423, sliding block
Two, 424, block case, 43, connecting rod one, 5, roll wheel assembly, 51, mobile jib, 52, universal wheel, 53, connecting rod four, 54, connecting rod five,
55, locating piece.
Specific embodiment
Principles and features of the present invention are described below in conjunction with drawings and the specific embodiments, example is served only for solving
The present invention is released, is not intended to limit the scope of the present invention.
As shown in Figures 1 to 12, the present invention provides a kind of novel and multifunctional ladder, including two supporting legs 1 and two pedestals
2, two supporting legs 1 are obliquely installed respectively, and the upper end of two supporting legs 1 is hinged by connection fixture 3, and two pedestals 2 distinguish position
Between two supporting legs 1, one end that two pedestals 2 mutually deviate from passes through connection fixture 3 respectively and the lower end of two supporting legs 1 is cut with scissors
It connects;Supporting leg 1 includes multiple ladder component units, is connected between two adjacent ladder component units by connector;Ladder group
The telescopic cross bar 12 of strut 11 and Duo Gen being arranged at unit by two spacing side by side is formed by connecting, more cross bars 12 side by side between
Every and be slidably arranged between two struts 11.Two supporting legs 1 set up inverted V shaped ladder climbing section by connection fixture 3
Point, two pedestals 2 are hinged with the lower end of two supporting legs 1 respectively, and pedestal 2 plays a supporting role to entire ladder, facilitate people sharp
It is taken the article of eminence with ladder provided herein;Supporting leg 1 includes multiple ladder component units, can be selected according to actual needs
The ladder component units of different number are selected to assemble the supporting leg 1 of different height, adjust operation height to meet the different need of people
It asks, it is easy to use;In addition, the length and quantity of cross bar 12 can be adjusted according to actual needs, difference can be suitable for
The climbing of crowd, versatility are stronger.
As shown in Fig. 8 to Figure 10, in the present invention, connection fixture 3 includes the connection shell connecting with any one 1 end of supporting leg
Body 31, connector 33, turntable 32 and the positioning component 34 being connect with remaining 1 end of supporting leg or 2 end of pedestal, each strut 11
Both ends are equipped with extension, and extension and strut 11 are integrally formed;The other end of one end and connector 33 for connecting shell 31 is equipped with
With the matched groove of corresponding extension, and it is respectively equipped with interval screw hole on the side wall of extension and groove, will be prolonged by screw hole
Extending portion with connect shell 31 or extension and link together with connector 33, it is convenient for disassembly and assembly.Turntable 32 is rotatably installed in connection shell
In body 31, central axis is axially arranged with along it at the center of turntable 32, and the both ends of central axis turn with the two sides for connecting shell 31 respectively
The two sides of dynamic connection, connection shell 31 are equipped with the through-hole passed through for the both ends of central axis;The setting of connector 33 is in connection shell
Outside 31 and one end is extended in connection shell 31 and is connect with turntable 32, and connector 33 and turntable 32 are integrally formed, connector
33 rotated together with turntable 32 and connect shell 31 be equipped with 33 rotary motion trace of connector it is matched opening one, opening one be arc
Shape opening;The setting of positioning component 34 is in connection shell 31 to position to turntable 32.When assembling ladder, connector 33 passes through
Turntable 32 is rotatablely connected with shell 31 is connect, conveniently adjusting angle, so as to adjust the aperture between two supporting legs 1;Connector 33
After the completion of adjustment, turntable 32 is positioned so that two supporting legs 1 to be fixed by positioning component 34, it is easy to operate.
In the present invention, positioning component 34 includes sliding block 1, fixed link 342, handle 343 and spring 1, connects shell
Body 31 is slidably arranged in sliding slot one along being radially provided with for turntable 32 with its internal sliding slot one being connected to, sliding block 1, turntable 32
The circumferentially spaced about locating slots 321 cooperated equipped with multiple with sliding block 1;Fixed link 342 be slidably arranged in sliding slot one and
One end is connect with one end of the remotely located slot 321 of sliding block 1, and fixed link 342 and sliding block 1 are integrally formed;Spring one
344 are set on sliding block 1 and fixed link 342, and the setting of handle 343 is outer in connection shell 31 and one end extends to sliding slot one
Interior and connect (welding) with sliding block 1, one end of spring 1 is abutted with handle 343, and the slot bottom of the other end and sliding slot one supports
It connects, connection shell 31 is equipped with the opening five for being arranged along one 341 glide direction of sliding block and being connected to sliding slot one, and opening five is bar shaped
Opening.When needing to rotate turntable 32, manually sliding block 1 is pushed to make it away from turntable 32 by handle 343, at this time spring one
344 are in compressive state;After turntable 32 turns to setting position, handle 343, bullet of the sliding block 1 in spring 1 are unclamped
Property tension under move closer to turntable 32 and one end and be inserted into corresponding locating slot 321, to be positioned to turntable 32, prevent
Turntable 32 rotates, easy to operate, it is ensured that the stability of entire ladder.
In addition, above-mentioned fixed link 342 and one 341 split settings of sliding block, one end of fixed link 342 and the one of sliding block 1
End welds together, and the radial dimension of fixed link 342 be less than sliding block 1, at this time one 344 sets of spring fixed link 342, bullet
The both ends of spring 1 are abutted with the slot bottom of one 341 sliding slot one of sliding block respectively.As shown in Figures 2 to 7, in the present invention, cross bar 12 is wrapped
Include cross bar 1, cross bar 2 122 and latch assembly 123,2 122 inner hollow of cross bar and open at one end, cross bar 2 122 it is another
One end is slidably connected with any one strut 11;One end of cross bar 1 protrude into the open at one end of cross bar 2 122 and with cross bar two
122 are slidably connected, and the other end is slidably connected with remaining strut 11, and latch assembly 123 is mounted on cross bar 1 or cross bar two
To fix the two on 122 one end;The opposite side of two struts 11 is respectively equipped with and cross bar 1 and the cooperation of cross bar 2 122
Sliding slot two, sliding slot two formed by the concave surface of strut 11.When needing to adjust the length of cross bar 12, cross bar 1 is slided
It is mounted in cross bar 2 122, to adjust the length of cross bar 12, facilitates different occasions or different crowd to carry out climbing operation, make
With conveniently, versatility is stronger;It after cross bar 12 is adjusted to setting length, is positioned by latch assembly 123, structure is simple, behaviour
Make easy.
In the present invention, latch assembly 123 includes and the matched shell 1231 of 2 122 shape of cross bar and is mounted on shell
Slide plate 1232, positioning pin 1233 and at least one spring 2 1234, shell 1231 in 1231 are slidably mounted in cross bar 2 122
And one end of cross bar 1 connects, one end of shell 1231 and cross bar 1 is welded or is bolted together, bullet
Spring 2 1234 is arranged along the axial direction perpendicular to cross bar 2 122 and one end connect (welding), slide plate with the inner sidewall of shell 1231
The 1232 axial setting and one side along cross bar 2 122 is abutted with the other end of spring 2 1234, the other end of spring 2 1234
It can also weld together with the corresponding side of slide plate 1232, increase the stability of spring 2 1234;Positioning pin 1233 is along perpendicular to cross
The axial direction of bar 2 122 is arranged and one end is connect (welding) with the other side of slide plate 1232, along its axis on the side wall of cross bar 2 122
To multiple location holes 124 are equipped at intervals with, the other end of positioning pin 1233 passes through shell 1231 and is engaged by clamping with location hole 124,
Shell 1231 is equipped with the through-hole passed through for positioning pin 1233.When adjusting, by manually pressing positioning pin 1233 so that it shrinks
To cross bar 2 122, then slide at cross bar 1 to positioning pin 1233 to corresponding location hole 124, at this time positioning pin 1233
The other end in 2 1234 elasticity tension of spring under the action of be inserted into corresponding location hole 124, thus to cross bar 2 122 into
Row positioning, structure is simple, easy to operate., it is preferred that in the present invention, the rectangular in cross-section of shell 1231, the side of slide plate 1232
Equipped with the shifting block 1235 for stirring the sliding of slide plate 1232, shifting block 1235 and slide bar 1232 are integrally formed;Shell 1231 is equipped with
It stirs the opening two of path matching with shifting block 1235, is axially arranged with the opening three cooperated with shifting block 1235 along it on cross bar 2 122,
Opening two and opening three are strip gab.When adjusting the length of cross bar 12, people stir slide plate 1232 by shifting block 1235, with
It is contracted to positioning pin 1233 in cross bar 2 122, it is easy to operate.
As shown in figure 5, strut 11 is equipped with roll wheel assembly 5 in the present invention, roll wheel assembly 5 is mounted on strut 11 and mutually carries on the back
From side;Roll wheel assembly 5 include mobile jib 51, universal wheel 52, connecting rod 4 53, connecting rod 5 54 and locating piece 55, the one of mobile jib 51
End is hinged with strut 11, and it is hinged to generally use hinge;Universal wheel 52 is rotatably installed in the other end of mobile jib 51, mobile jib 51 it is another
End is equipped with U-shaped mounting rack, and universal wheel 52 is rotatably installed in U-shaped frame by shaft.Locating piece 55 is mounted on strut 11 simultaneously
One end of mobile jib 51 is positioned, locating piece 55 herein includes positioning seat, and positioning seat is mounted on strut 11 close to mobile jib
It is respectively equipped with screw hole on the position of 51 one end, positioning seat and mobile jib 51, after mobile jib 51 turns to setting position, passes through bolt pair
It is positioned;One end of connecting rod 4 53 and strut 11 are hinged, specific connection type are as follows: strut 11 is equipped with rotation seat, connection
One end of bar 53 is rotatablely connected by pin shaft and strut 11;One end of connecting rod 5 54 and the other end of connecting rod 4 53 are hinged, usually
It is rotated using pin shaft, the other end is hinged close to one end of universal wheel 52 with mobile jib 51, and the respective end of mobile jib 51 is equipped with shaft, even
The other end and shaft of extension bar 5 54 are rotatablely connected.Two supporting legs 1, which are laid flat, makes the two in same level, then will be every
Mobile jib 51 on a strut 11, which is removed, keeps its in a vertical shape, and mobile jib 51 is positioned, so that a vehicle use of hauling goods is formed,
It is easy to adjust flexible, it is vdiverse in function, it is easy to use.
In addition, being also equipped with returning face plate on strut 11, returning face plate is parallel to side and the branch of the setting of strut 11 and returning face plate
Bar 11 is hinged, generallys use hinge and carries out hingedly;Returning face plate is equipped at least one screw hole, and strut 11 is equipped with multiple and overturning
The screw hole that screw hole cooperates on plate, when returning face plate overturning as the fitting of strut 11 or it is parallel with strut 11 when pass through bolt and will turn over
Rotating plate is fixed together with strut 11.Entire roll wheel assembly 5 is mounted on returning face plate, specific mounting means are as follows: positioning seat
It is mounted on returning face plate, positioning seat and returning face plate are integrally formed;Returning face plate be equipped with rotation seat, rotation seat and returning face plate one at
One end of type, connecting rod 53 is rotatablely connected by pin shaft and rotation seat;One end of mobile jib 51 is hinged by hinge with returning face plate.
As shown in Figure 5 and Figure 6, in the present invention, the upside of strut 11 is equipped with guardrail mechanism 4, and guardrail mechanism 4 includes guard bar
41, lifting assembly 42 and at least one connecting rod 1, guard bar 41 are arranged in parallel in the top of strut 11, lifting assembly 42 and company
Bar 1 is separately mounted between guard bar 41 and strut 11, and 42 top and bottom of lifting assembly and the upper end of connecting rod 1 and
Lower end is hinged with guard bar 41 and strut 11 respectively, the top and bottom of above-mentioned 42 top and bottom of lifting assembly and connecting rod 1
Refer to when ladder treat as haul goods vehicle in use, guard bar 41 rise when 42 top and bottom of lifting assembly and connecting rod 1 it is upper
End and lower end;Strut 11 is equipped with hinged seat, and hinged seat and strut 11 are integrally formed, and the lower end of connecting rod 1 passes through shaft and hinge
Joint chair is hinged;In addition, the respective end of guard bar 41 is equipped with fixing axle, fixing axle and guard bar 41 are integrally formed, connecting rod 1 it is upper
End is rotatablely connected with fixing axle.Draw train in use, manual adjustment lifting assembly 42 makes 41 liters of guard bar when ladder to be changed into
It rises, to play protective action to the cargo of carrying, prevents cargo from sliding from vehicle of hauling goods, protect cargo.Herein, lifting assembly
Preferably two groups of 42 quantity, the both ends of guard bar 41 are separately positioned on, increase the stability of guard bar 41.
In the present invention, lifting assembly 42 includes connecting rod 2 421, connecting rod 3 422, sliding block 2 423 and block case 424, is connected
The both ends of bar 2 421 are hinged with guard bar 41 and strut 11 respectively, and strut 11 is equipped with hinged seat, and one end of connecting rod 2 421 passes through
Shaft and hinged seat are rotatablely connected;In addition, the respective end of guard bar 41 is equipped with fixing axle, fixing axle and guard bar 41 are integrally formed,
The upper end of connecting rod 2 421 and fixing axle are rotatablely connected.One end of connecting rod 3 422 and connecting rod 2 421 are hinged, pass through pin therebetween
Axis is hinged;Block case 424 is mounted on strut 11, and block case 424 is thinkable by those of ordinary skill in the art institute
Mode is for example welded or is bolted and is mounted on strut 11;Sliding block 2 423 slides axially along strut 11 and is mounted on block case
In 424, and the position in block case 424 close to one end is equipped with the limiting slot for being limited to sliding block 2 423;Sliding block two
423 side and the other end of connecting rod 3 422 are hinged, and sliding block 2 423 is equipped with fixing axle, the other end of connecting rod 3 422 and fixation
Axis rotation connection;The side wall of block case 424 is equipped with opening four identical with 2 423 track of sliding block.Manually pass through connecting rod three
422 promotion sliding blocks 2 423 make it away from connecting rod 2 421 to sliding block 2 423 and slide in limiting slot, so that guard bar 41 be risen;When
When needing to pack up guard bar 41, manually sliding block 2 423 is lifted by connecting rod 3 422 out of limiting slot, then pushes sliding block two
423 make it close to connecting rod 2 421, so that guard bar 41 be packed up, structure is simple, easy to operate.
As shown in figure 11, pedestal 2 includes two curved bars 21, and one end of curved bar 21 passes through connection fixture 3 respectively and is located at
One end of two struts 11 of any one 1 bottom of supporting leg is hinged, and the other end of any one curved bar 21 is hollow and open, and it is slided
It is set on the other end of remaining curved bar 21.The other end of any one curved bar 21 and the other end of remaining curved bar 21 are slidably connected,
So as to being adjusted according to the width adequate of supporting leg 1 of pedestal 2, it is not necessarily to positioning component, structure is simple, easy to operate.
Use principle of the invention is as follows:
According to the demand of practical climbing operation, the quantity of ladder component units is selected, two neighboring ladder component units are logical
It crosses connection fixture 3 to link together, so that two supports of supporting leg 1 are to form inverted V-shaped ladder;What two pedestals 2 mutually deviated from
One end passes through connection fixture 3 respectively and connect with the lower end of two supporting legs 1;It is adjusted between two supporting legs 1 by actual demand
Width, ladder are completed, and guardrail mechanism 4 and roll wheel assembly 5 are in collapsed state at this time;
Vehicle is hauled goods in use, two supporting legs 1 are pulled into straight line first when needing for ladder to be assembled into, and by strut 11
On all expansion of roll wheel assembly 5, whole device is afterwards turned over, so that roll wheel assembly 5 supports whole device, the composition for vehicle of hauling goods
It completes.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of novel and multifunctional ladder, it is characterised in that: including two supporting legs (1) and two pedestals (2), two supporting legs
(1) it is obliquely installed respectively, and the upper end of two supporting legs (1) passes through connection fixture (3) hingedly, two pedestals (2)
It is located between two supporting legs (1), one end that two pedestals (2) are mutually deviated from passes through described be connected and fixed respectively
Part (3) and the lower end of two supporting legs (1) are hinged;The supporting leg (1) includes multiple ladder component units, two adjacent institutes
It states and is connected between ladder component units by connector;The strut (11) that the ladder component units are arranged by two spacing side by side
It is formed by connecting with more telescopic cross bars (12), more cross bar (12) spacing side by side and is slidably arranged in two branch
Between bar (11).
2. a kind of novel and multifunctional ladder according to claim 1, it is characterised in that: the connection fixture (3) includes
The connection shell (31) and remaining supporting leg (1) end or the pedestal (2) being connect with any one supporting leg (1) end
Connector (33), turntable (32) and the positioning component (34) of end connection, the turntable (32) are rotatably installed in the connection shell
In body (31);The connector (33) setting the connection shell (31) outside and one end extends to the connection shell (31)
Interior and connect with the turntable (32), the connector (33) rotates together with the turntable (32) and the connection shell (31)
It is equipped with and the matched opening one of the connector (33) rotary motion trace;The positioning component (34) is arranged in the connection shell
(31) to be positioned to the turntable (32) in.
3. a kind of novel and multifunctional ladder according to claim 2, it is characterised in that: the positioning component (34) includes sliding
Block one (341), fixed link (342), handle (343) and spring one (344), connection shell (31) is along the turntable (32)
Be radially provided with sliding slot one, the sliding block one (341) is slidably arranged in the sliding slot one, the turntable (32) it is circumferentially spaced about
Equipped with multiple locating slots (321) with the sliding block one (341) cooperation;The fixed link (342) is slidably arranged in the sliding slot
In one and one end is connect with the sliding block one (341) far from the one end of the locating slot (321), spring one (344) set
Be located on the sliding block one (341) and the fixed link (342), the handle (343) setting the connection shell (31) outside
And one end is extended in the sliding slot one and is connect with the sliding block one (341), one end of the spring one (344) with it is described
Handle (343) abuts, and the other end is abutted with the slot bottom of the sliding slot one, and the connection shell (31) is equipped with along the sliding block one
(341) opening five that glide direction is arranged and is connected to the sliding slot one.
4. a kind of novel and multifunctional ladder according to claim 1-3, it is characterised in that: cross bar (12) packet
Include cross bar one (121), cross bar two (122) and latch assembly (123), cross bar two (122) inner hollow and open at one end, institute
The other end and any one strut (11) for stating cross bar two (122) are slidably connected;Institute is protruded into one end of the cross bar one (121)
It states in the open at one end of cross bar two (122) and is slidably connected with the cross bar two (122), the other end and the remaining strut
(11) it is slidably connected, the latch assembly (123) is mounted on one end of the cross bar one (121) or the cross bar two (122)
The two to be fixed;The opposite side of two struts (11) is respectively equipped with and the cross bar one (121) and the cross bar two
(122) sliding slot two cooperated.
5. a kind of novel and multifunctional ladder according to claim 4, it is characterised in that: the latch assembly (123) includes
With the matched shell of cross bar two (122) shape (1231) and the slide plate (1232) being mounted in the shell (1231),
Positioning pin (1233) and at least one spring two (1234), the shell (1231) are slidably mounted in the cross bar two (122)
And it is connect with one end of the cross bar one (121);The spring two (1234) sets along the axial direction perpendicular to the cross bar two (122)
It sets and one end is connect with the inner sidewall of the shell (1231), axial direction of the slide plate (1232) along the cross bar two (122)
It is arranged and one side is abutted with the other end of the spring two (1234);The positioning pin (1233) is along perpendicular to the cross bar two
(122) axial setting and one end is connect with the other side of the slide plate (1232), edge on the side wall of the cross bar two (122)
Its axially spaced-apart is equipped with multiple location holes (124), the other end of the positioning pin (1233) pass through the shell (1231) and with
The location hole (124) is engaged by clamping, and the shell (1231) is equipped with the through-hole passed through for the positioning pin (1233).
6. a kind of novel and multifunctional ladder according to claim 5, it is characterised in that: the section of the shell (1231) is in
Rectangle, the side of the slide plate (1232) are equipped with the shifting block (1235) for stirring the slide plate (1232) sliding, the shell
(1231) it is equipped with the opening two for stirring path matching with the shifting block (1235), is set on the cross bar two (122) along its axial direction
There is the opening three with the shifting block (1235) cooperation.
7. a kind of novel and multifunctional ladder according to claim 1-3, it is characterised in that: on the strut (11)
Equipped with roll wheel assembly (5), the roll wheel assembly (5) includes mobile jib (51), universal wheel (52), connecting rod four (53), connecting rod five (54)
With locating piece (55), hingedly, the universal wheel (52) is rotatably installed in institute for one end and the strut (11) of the mobile jib (51)
State the other end of mobile jib (51), the locating piece (55) be mounted on the strut (11) and to one end of the mobile jib (51) into
Row positioning;One end of the connecting rod four (53) and the strut (11) hingedly, one end of the connecting rod five (54) and the connecting rod
The other end of four (53) is hinged, and the other end is hinged close to the one end of the universal wheel (52) with the mobile jib (51).
8. a kind of novel and multifunctional ladder according to claim 1-3, it is characterised in that: the strut (11)
Upside is equipped with guardrail mechanism (4), and the guardrail mechanism (4) includes guard bar (41), lifting assembly (42) and at least one connecting rod
One (43), the guard bar (41) are arranged in parallel in the top of the strut (11), the lifting assembly (42) and the connecting rod one
(43) be separately mounted between the guard bar (41) and the strut (11), and the lifting assembly (42) top and bottom and
The top and bottom of the connecting rod one (43) are hinged with the guard bar (41) and the strut (11) respectively.
9. a kind of novel and multifunctional ladder according to claim 8, it is characterised in that: the lifting assembly (42) includes connecting
Bar two (421), connecting rod three (422), sliding block two (423) and block case (424), the both ends of the connecting rod two (421) respectively with
Hingedly, one end of the connecting rod three (422) and the connecting rod two (421) are hinged for the guard bar (41) and the strut (11);Institute
It states block case (424) to be mounted on the strut (11), the sliding block two (423) slides axially installation along the strut (11)
In the block case (424), and the position in the block case (424) close to one end is equipped with for the sliding block two
(423) limiting slot limited;The side of the sliding block two (423) and the other end of the connecting rod three (422) are hinged, described
The side wall of block case (424) is equipped with opening four identical with sliding block two (423) track.
10. a kind of novel and multifunctional ladder according to claim 1-3, it is characterised in that: pedestal (2) packet
Two curved bars (21) are included, one end of the curved bar (21) by the connection fixture (3) and is located at any one branch respectively
One end of the strut (11) of two of leg (1) bottom is hinged, and the other end of any one curved bar (21) is hollow and open, and
It is slidably located on the other end of the remaining curved bar (21).
Priority Applications (1)
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CN201910192714.XA CN110056304B (en) | 2019-03-14 | 2019-03-14 | Novel multifunctional ladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910192714.XA CN110056304B (en) | 2019-03-14 | 2019-03-14 | Novel multifunctional ladder |
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CN110056304A true CN110056304A (en) | 2019-07-26 |
CN110056304B CN110056304B (en) | 2021-02-09 |
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CN201910192714.XA Expired - Fee Related CN110056304B (en) | 2019-03-14 | 2019-03-14 | Novel multifunctional ladder |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111636810A (en) * | 2020-05-12 | 2020-09-08 | 浙江广成装饰工程有限公司 | Working ladder for building decoration project and use method thereof |
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EP2163721A1 (en) * | 2008-09-10 | 2010-03-17 | Laing Ban International Inc. | Collapsible platform ladder |
CN201727659U (en) * | 2010-07-01 | 2011-02-02 | 上海理工大学 | Multifunctional folding ambulance stretcher ladder |
CN202220545U (en) * | 2011-08-23 | 2012-05-16 | 戴雨晴 | Retractable ladder |
CN104612577A (en) * | 2015-01-20 | 2015-05-13 | 任云海 | Series-connected vertical fire ladder |
CN204521251U (en) * | 2015-04-07 | 2015-08-05 | 江汉大学 | A kind of folding Stretcher cart for giving first aid |
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CN111636810A (en) * | 2020-05-12 | 2020-09-08 | 浙江广成装饰工程有限公司 | Working ladder for building decoration project and use method thereof |
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CN110056304B (en) | 2021-02-09 |
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