CN205805399U - Multifunctional telescopic ladder - Google Patents

Abstract

A kind of Multifunctional telescopic ladder, belongs to everyday tools technical field.Including flexible ladder, bearing pin, idler wheel mechanism and position-limit mechanism, described flexible ladder has a pair, and each flexible ladder is identical by several structures, the terraced unit of size gradation forms along short transverse is the most nestable；The width of the described flexible ladder in bearing pin edge is arranged on the top of the ladder that stretches a pair, is become by a pair extension ladder framework and is movably hinged, and the two ends of bearing pin project to outside the sidewall of flexible ladder respectively；Described idler wheel mechanism has a pair, is separately positioned on the ladder that stretches a pair and is hinged the both sides at position, and two ends with bearing pin fixedly mount respectively；Described position-limit mechanism is arranged on the top of the ladder that stretches a pair, the folding angle stretched between ladder for a pair for regulation.Advantage: can change between double ladder and handbarrow, change simple to operate, easy-to-use, and save use cost；Telescopic structure can save accommodation space, convenient storage.

Description

Multifunctional telescopic ladder

Technical field

This utility model belongs to everyday tools technical field, is specifically related to a kind of Multifunctional telescopic ladder.

Background technology

At present the conventional products of a lot of function singlenesses can not meet people and lived multiple demands, function singleness Product is due to the limitation of its function so that people have to need buy new product, sink money, take sky Between.The multifunction of product has become as the main flow of modern designs, and the market share of multifunctional product rises day by day, has become Main consideration direction for people's daily selection product.

The daily life toolses such as double ladder, Small-scale Flat go-cart bring great convenience to the production of people, life, are to occupy Family's requisite articles for daily use of live and work, but their function singleness, the most independent use.The ladder of traditional integrated type Sub-moulding is fixed, it is impossible to arbitrarily adjust the length of ladder according to height, and volume is big, exists the most not when storage and carrying Just, it addition, traditional function of ladder is single, only as ascending tool.Go-cart is that goods handling is provided convenience, and traditional pushes away Car uses L-shaped structure, has one for the rack of arrangement of goods, is provided with handle in one end of rack, and at the bottom of rack More than one wheel is installed in portion.Prior art has pointed out the amendment of all multipair go-carts, but is only for realizing more easily grasping Make, more memory space, and not to its Function Extension in addition Improvement.

In view of above-mentioned prior art, if can develop a extension ladder having go-cart function concurrently will to daily life and Work provides the biggest convenience, to this end, the applicant has made useful design, technical scheme described below be Produce under this background.

Summary of the invention

The purpose of this utility model is to provide a kind of Multifunctional telescopic ladder, can be converted into go-cart and use, and conversion operation Simply, convenient in carrying, storage takes up room little.

The purpose of this utility model is such to reach, a kind of Multifunctional telescopic ladder, it is characterised in that: include extension ladder Frame, bearing pin, idler wheel mechanism and position-limit mechanism, described flexible ladder has a pair, and each flexible ladder is by several structure phases Same, the terraced unit of size gradation forms along short transverse is the most nestable；Described bearing pin sets along the width of flexible ladder Putting the top at a pair ladder that stretches, become by a pair extension ladder framework and be movably hinged, the two ends of bearing pin project to stretch respectively Outside the sidewall of ladder；Described idler wheel mechanism has a pair, is separately positioned on the ladder that stretches a pair and is hinged the both sides at position, and point Other and bearing pin two ends fixedly mount；Described position-limit mechanism is arranged on the top of the ladder that stretches a pair, stretches for a pair for regulation Folding angle between contracting ladder.

In a specific embodiment of the present utility model, described terraced unit is propped up by two supporting sleeves and two Cat ladder bar between support set pipe is formed by fixedly connecting with ∏ type structure.

In another specific embodiment of the present utility model, it is all provided with between the described terraced unit of neighbouring two There is clamping mechanism, make them will not sliding up and down under the extended state of flexible ladder for fixing each ladder unit；It is positioned at the end The terraced unit in portion is between a pair supporting sleeve and is parallel to cat ladder bar and is provided with bracing piece, is provided with operation on described bracing piece Button, for releasing the fixing to corresponding ladder unit of each clamping mechanism.

In another specific embodiment of the present utility model, described idler wheel mechanism includes three rollers, described Three rollers are configured to star by one and are distributed, and support is rotationally connected with bearing pin composition by being opened in the centre bore of central authorities.

In another specific embodiment of the present utility model, described a pair stretches the wherein extension ladder of ladder Frame, is respectively provided with fixing ear at the top of a pair supporting sleeve being positioned at the top, the ladder that stretches for a pair wherein another stretch Ladder, is respectively provided with fixing seat at the top of a pair supporting sleeve being positioned at the top, and the cross sectional shape of described fixing seat is U Shape, described fixing ear snaps in the facing each other between the two sides being set in parallel of fixing seat, and by described bearing pin Realize hinged.

Also having in a specific embodiment of the present utility model, described position-limit mechanism includes regulation band, adapter sleeve And pin, stretch with a pair centre of a wherein extension ladder top of the trellis of ladder, one end of described regulation band fixes and is connected, Regulation band is spaced along its length at the other end offers some spacing holes, one end of described adapter sleeve and the ladder that stretches for a pair Wherein the centre of another extension ladder top of the trellis is fixing connects, and adapter sleeve constitutes receiving chamber at the other end, and the other end of regulation band is more Plugging after crossing bearing pin to accommodating intracavity, offer pin hole accommodating chamber on the sidewall of spacing hole, described pin is worn successively Cross pin hole and spacing hole realizes regulation band and the fixing connection of adapter sleeve.

Of the present utility model more and in a specific embodiment, described flexible ladder is in place in a pair of bottom The bottom of supporting sleeve is respectively equipped with callosity.

This utility model is owing to have employed said structure, and compared with prior art, having the beneficial effect that can be at herringbone Change between ladder and handbarrow, change simple to operate, bring convenience to daily life and work, and saving uses into This；Telescopic structure can save accommodation space, convenient storage.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the A portion enlarged drawing of Fig. 1.

Fig. 3 is the application examples schematic diagram that this utility model is configured to go-cart.

In figure: 1. the ladder that stretches, 11. supporting sleeves, 111. fix ear, 112. fix seat, 12. cat ladder bars, 13. strengthen Bar, 14. operation button, 15. callosities；2. bearing pin；3. idler wheel mechanism, 31. rollers, 32. supports, 321. centre bores；4. position restrainer Structure, 41. regulation bands, 411. spacing holes, 42. adapter sleeves, 421. receiving chamber, 422. pin holes, 43. pins.

Detailed description of the invention

Detailed description of the invention of the present utility model is described in detail by applicant by combining accompanying drawing below, but applicant is to reality The description executing example is not the restriction to technical scheme, and any changing in the form rather than substance according to this utility model design is all answered When being considered as protection domain of the present utility model.

Referring to Fig. 1 and Fig. 2, this utility model relates to a kind of Multifunctional telescopic ladder, including flexible ladder 1, bearing pin 2, rolling Wheel mechanism 3 and position-limit mechanism 4.Described flexible ladder 1 has a pair, and each flexible ladder 1 is identical by several structures, size The terraced unit of gradual change forms along short transverse is the most nestable.Described terraced unit is by two supporting sleeves 11 and two supports Cat ladder bar 12 between sleeve pipe 11 is formed by fixedly connecting with ∏ type structure.It is all provided with between the described terraced unit of neighbouring two There is clamping mechanism, make them will not sliding up and down under the extended state of flexible ladder 1 for fixing each ladder unit.It is positioned at the end The terraced unit in portion is between a pair supporting sleeve 11 and is parallel to cat ladder bar 12 and is provided with bracing piece 13, on described bracing piece 13 It is provided with operation button 14, for releasing the fixing to corresponding ladder unit of each clamping mechanism.The operation button 14 of flexible ladder 1 and card Gu the fit structure between mechanism, using the design identical with the telescopic lever of conventional tie rod case, this design is in the prior art Existing many open, omit herein and repeat.Described bearing pin 2 is arranged on, along the width of flexible ladder 1, the ladder 1 that stretches a pair Top, the ladder 1 that stretches a pair is configured to be movably hinged, and the two ends of bearing pin 2 project to outside the sidewall of flexible ladder 1 respectively. Concrete, the wherein ladder 1 that stretches of the ladder 1 that stretches for a pair sets respectively at the top of a pair supporting sleeve 11 being positioned at the top Putting fixing ear 111, wherein another the flexible ladder 1 of the ladder 1 that stretches for a pair is on the top of a pair supporting sleeve 11 being positioned at the top Portion is respectively provided with fixing seat 112, and the cross sectional shape of described fixing seat 112 is U-shaped, and described fixing ear 111 snaps in fixing seat 112 face each other between the two sides being set in parallel, and realize hinged by described bearing pin 2.Described roller machine Structure 3 has a pair, is separately positioned on the ladder 1 that stretches a pair and is hinged the both sides at position, and the fixing peace with the two ends of bearing pin 2 respectively Dress.In the present embodiment, idler wheel mechanism 3 includes that three rollers 31, described three rollers 31 constitute star by a support 32 Distribution, support 32 is rotationally connected with bearing pin 2 composition by being opened in the centre bore 321 of central authorities.Described position-limit mechanism 4 is arranged on Stretch for a pair the top of ladder 1, stretch for a pair the folding angle between ladder 1 for regulation.Position-limit mechanism 4 includes regulation band 41, adapter sleeve 42 and pin 43, the described regulation wherein ladder 1 that stretches with one end and a pair ladder 1 that stretches of 41 pushes up The centre in portion is fixing to be connected, and regulation carries 41 to be spaced along its length at the other end and offers some spacing holes 411.Described adapter sleeve 42 are socketed with regulation band 41, and one end of adapter sleeve 42 is solid with the centre at wherein another flexible ladder 1 top of the ladder 1 that stretches for a pair Fixed connecting, adapter sleeve 42 constitutes at the other end and accommodates chamber 421, and the other end of regulation band 41 plugs to receiving chamber after crossing bearing pin 2 In 421.Offering pin hole 422 accommodating chamber 421 on the sidewall of spacing hole 411, described pin 43 sequentially passes through pin Hole 422 and spacing hole 411 realize regulation with 41 and the fixing connection of adapter sleeve 42.Described a pair ladder 1 that stretches passes through pin Axle 2 is hinged and constitutes retractable herringbone ladder, and the span of described double ladder can be regulated by position-limit mechanism 4, only need to change during operation Modified tone joint stretches into the length accommodating chamber 421 with 41, then fastens selected spacing hole 411 and pin hole 422 by pin 43. The height of ladder 1 of stretching for a pair can be controlled by the operation button 14 being each equipped with, and both are separate, are independent of each other.Described Flexible ladder 1 be respectively equipped with callosity 15 in the bottom of a pair supporting sleeve 11 being positioned at bottom.

Refer to Fig. 3, should be in use-case, the ladder 1 that stretched by a pair in Fig. 1 overturns, and makes a pair idler wheel mechanism 3 Ground, and the span between ladder 1 of stretching a pair is adjusted to 90 degree, adjusts the length of the ladder 1 that stretches for a pair the most respectively so that it is In the ladder 1 that stretches be configured to the rack of go-cart, and another flexible ladder 1 is configured to the push rod of go-cart, thus will this reality It is converted into handbarrow from retractable herringbone ladder with novel.Described idler wheel mechanism 3 is owing to using star distribution, except level land is carried out, Could be applicable to stair transport, when running into stairway step, use a roller 31 as support, another roller 31 is as turning over Roller, conversion can reach the purpose crossing step successively.

Claims (7)

1. a Multifunctional telescopic ladder, it is characterised in that: include flexible ladder (1), bearing pin (2), idler wheel mechanism (3) and spacing Mechanism (4), described flexible ladder (1) has a pair, and each flexible ladder (1) is identical by several structures, the ladder of size gradation Unit forms along short transverse is the most nestable；The width of the described flexible ladder (1) in bearing pin (2) edge is arranged on a pair and stretches The top of contracting ladder (1), the ladder (1) that stretches a pair is configured to be movably hinged, and the two ends of bearing pin (2) project to extension ladder respectively Outside the sidewall of frame (1)；Described idler wheel mechanism (3) has a pair, is separately positioned on the ladder that stretches (1) a pair and is hinged the two of position Side, and fixedly mount with the two ends of bearing pin (2) respectively；Described position-limit mechanism (4) is arranged on the top of the ladder that stretches (1) a pair Portion, for regulating the folding angle between ladder (1) of stretching for a pair.

Multifunctional telescopic ladder the most according to claim 1, it is characterised in that described terraced unit is by two supporting sleeves (11) the cat ladder bar (12) and between two supporting sleeves (11) is formed by fixedly connecting with ∏ type structure.

Multifunctional telescopic ladder the most according to claim 2, it is characterised in that the described terraced unit of neighbouring two it Between be equipped with clamping mechanism, be used for fixing each ladder unit and make them will not sliding up and down under the extended state of flexible ladder (1)； It is positioned at the terraced unit of bottommost and to be parallel to cat ladder bar (12) and be provided with bracing piece (13), in institute between a pair supporting sleeve (11) The bracing piece (13) stated is provided with operation button (14), for releasing the fixing to corresponding ladder unit of each clamping mechanism.

Multifunctional telescopic ladder the most according to claim 1, it is characterised in that described idler wheel mechanism (3) includes three rollers (31), three described rollers (31) constitute star by a support (32) and are distributed, and support (32) is by being opened in central authorities Central hole (321) is rotationally connected with bearing pin (2) composition.

Multifunctional telescopic ladder the most according to claim 2, it is characterised in that described a pair stretches wherein the one of ladder (1) Flexible ladder (1), is respectively provided with fixing ear (111), stretches for a pair at the top of a pair supporting sleeve (11) being positioned at the top Wherein another flexible ladder (1) of ladder (1), is respectively provided with fixing at the top of a pair supporting sleeve (11) being positioned at the top Seat (112), the cross sectional shape of described fixing seat (112) is U-shaped, and described fixing ear (111) snaps in that of fixing seat (112) Between these two sides being set in parallel face-to-face, and realize hinged by described bearing pin (2).

Multifunctional telescopic ladder the most according to claim 1, it is characterised in that described position-limit mechanism (4) includes regulation band (41), adapter sleeve (42) and pin (43), wherein stretching of one end of described regulation band (41) and a pair ladder that stretches (1) The centre at contracting ladder (1) top is fixing to be connected, and regulation band (41) is spaced along its length at the other end offers some spacing holes (411) centre at wherein another flexible ladder (1) top of one end of, described adapter sleeve (42) and the ladder (1) that stretches for a pair Fixing connection, adapter sleeve (42) constitutes receiving chamber (421) at the other end, and the other end of regulation band (41) is crossed bearing pin (2) and inserted afterwards If to accommodating in chamber (421), offering pin hole (422) accommodating chamber (421) on the sidewall of spacing hole (411), described Pin (43) sequentially passes through pin hole (422) and spacing hole (411) realizes regulation is carried (41) and the fixing company of adapter sleeve (42) Connect.

Multifunctional telescopic ladder the most according to claim 1, it is characterised in that described flexible ladder (1) is being positioned at bottom The bottom of a pair supporting sleeve (11) be respectively equipped with callosity (15).