CN205591812U - Novel telescopic ladder - Google Patents

Abstract

The utility model discloses a novel telescopic ladder, including two telescopic ladder rack, the articulated herringbone structure that can open and shut that together forms in two telescopic ladder rack's top, the both sides of telescopic ladder rack bottom are connected with support piece respectively, and two support piece symmetry sets up, and two support piece form eight characters structure support subaerial. Two support piece connect respectively in the both sides of telescopic ladder rack bottom, and two support piece formation eight characters structure support is subaerial, and the span between two support piece is big, can support smoothly subaerial, increases the steadiness of ladder.

Description

A kind of novel telescopic ladder

Technical field

This utility model relates to a kind of ladder, particularly relates to a kind of novel telescopic ladder.

Background technology

Ladder is a kind of instrument often used during we live, and is used for operation of climbing, as more changed the bulb, Roof maintenance, interior decoration etc..Ladder can be divided into the ladder of extension type and non-telescoping according to function The ladder of formula, extension ladder can adjust the height of ladder, very easy to use, has become as now consumption The first-selection of person.Its ladder of existing extension ladder is made up of interior lower limb and outer lower limb two parts, and it is real that outer lower limb encases interior lower limb Stretching of existing ladder, and, the second half section of outer lower limb is outer eight structures of outward-dipping extension, although Neng Gouti High ladder is supported on ground stability, but, the outer lower limb of outer eight structures not only can increase the occupation of land of ladder Space, and interior lower limb is few with the area that outer lower limb overlaps, and interior lower limb is combined the most firm with outer lower limb.

Utility model content

This utility model provides the novel telescopic ladder of a kind of compact conformation, good stability, which overcomes background Deficiency existing for technology.This utility model solves its technical problem and be the technical scheme is that

A kind of novel telescopic ladder, including two flexible ladders, the top of two flexible ladders is hinged Formation can the herringbone structure of folding, the both sides bottom flexible ladder are connected to support member, two support members pair Claiming to arrange, two support members form Figure of eight structure and support on the ground.

Among one preferred embodiment: described flexible ladder includes the flexible interior ladder linked together and outer ladder, Described interior ladder includes two interior lower limbs and is connected to the interior cross bar between two interior lower limbs, and described outer ladder includes two The outer lower limb of root and be connected to the outer cross bar between two outer lower limbs, interior lower limb is slidably connected with outer lower limb；Described interior lower limb is perpendicular Straight long tube structure, described outer lower limb is vertical long tube structure；Described outer ladder also includes described support member, Support member is connected to outer lower limb bottom outside.

Among one preferred embodiment: described support member is the shell structure of medial surface opening, support member passes through it Lateral opening is buckled on outer lower limb, and support member and outer lower limb are riveted together by rivet.

Among one preferred embodiment: on the lateral surface of support member, projection is provided with rib.

Among one preferred embodiment: described interior lower limb, outer lower limb are aluminium materials, described support member is iron material matter.

Among one preferred embodiment: the cross section of interior lower limb and outer lower limb is closed hollow tubular construction.

Among one preferred embodiment: two outer lower limbs lay respectively at the outside of lower limb in two, the interior cross bar of interior ladder is positioned at Between two outer lower limbs of outer ladder；Interior cross bar is connected with the medial surface of interior lower limb, and outer cross bar and outer lower limb are towards user The front end face of side connects；Interior ladder is embedded in the middle of outer ladder.

Among one preferred embodiment: the front end face of interior lower limb is concordant with the front end face of outer lower limb；The rear end face of interior lower limb with The rear end face of outer lower limb is concordant.

Among one preferred embodiment: formed opposite each other between lateral surface and the medial surface of outer lower limb of described interior lower limb Sliding surface；The sliding surface of described interior lower limb is provided with lifting lug, and the sliding surface of described outer lower limb is provided with lifting lug, and interior lower limb is sliding The lifting lug in dynamic face slides with the lifting lug of outer lower limb sliding surface and snaps together.

Among one preferred embodiment: formed opposite each other between lateral surface and the medial surface of outer lower limb of described interior lower limb Sliding surface；The sliding surface of described interior lower limb is provided with chute, and the sliding surface of described outer lower limb is provided with slide rail, and slide rail is sliding Move and be inserted in chute.

The technical program is compared with background technology, and it has the advantage that

1. two support members are connected to the both sides bottom flexible ladder, and two support members form Figure of eight structure and support On the ground, the span between two support members is big, it is possible to smoothly support on the ground, increases the firm of ladder Property.

2. in, lower limb, outer lower limb are vertical long tube structures, and interior lower limb, outer lower limb overlapping area are big, and the two is connected Distance, steadiness is good, and it is little to take up room.

3. in, the cross section of lower limb and outer lower limb is all closed hollow tubular construction, and intensity is good, is unlikely to deform, it is possible to bear Bigger weight, on the premise of meeting requirement of strength, ladder materials of the present utility model can more save.

Outer lower limb is positioned at the outside of lower limb, the interior cross bar of interior ladder between two outer lower limbs of outer ladder, interior ladder Being integrally located at inside outer ladder, flexible ladder thickness is little, can keep less thickness after ladder folding.

Accompanying drawing explanation

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.

Fig. 1 depicts the schematic perspective view of this utility model a kind of novel telescopic ladder.

Fig. 2 depicts the elongation schematic diagram of ladder shown in Fig. 1.

Fig. 3 depicts the cross sectional representation of the flexible ladder of ladder shown in Fig. 1.

Fig. 4 a depicts lower limb and the first connection diagram of outer lower limb in flexible ladder.

Fig. 4 b depicts lower limb and the second connection diagram of outer lower limb in flexible ladder.

Fig. 4 c depicts lower limb and the third connection diagram of outer lower limb in flexible ladder.

Fig. 5 a depicts lower limb and the 4th kind of connection diagram of outer lower limb in flexible ladder.

Fig. 5 b depicts lower limb and the 5th kind of connection diagram of outer lower limb in flexible ladder.

Fig. 5 c depicts lower limb and the 6th kind of connection diagram of outer lower limb in flexible ladder.

Fig. 6 a depicts lower limb and the 7th kind of connection diagram of outer lower limb in flexible ladder.

Fig. 6 b depicts lower limb and the 8th kind of connection diagram of outer lower limb in flexible ladder.

Fig. 6 c depicts lower limb and the 9th kind of connection diagram of outer lower limb in flexible ladder.

Fig. 7 depicts support member and the connection diagram of outer lower limb of flexible ladder shown in Fig. 1.

Detailed description of the invention

Refer to Fig. 1 and Fig. 2, a kind of novel telescopic ladder of the present utility model, including two flexible ladders, The hinged formation in top of two flexible ladders can the herringbone structure of folding.Both sides bottom flexible ladder are divided Support member 21, two support members 21 Lian Jie not had to be symmetrical arranged, and two support members 21 form Figure of eight structure and are supported on ground On face.

Refer to Fig. 2 and Fig. 3, described flexible ladder includes the flexible interior ladder 10 linked together and outside staircase Frame 20, the top of the interior lower limb 12 of two interior ladders 10 is hinged.In described interior ladder 10 includes two Lower limb 12, connects many interior cross bars 14 between two interior lower limbs 12.Described outer ladder 20 includes two outer lower limbs 22, Many outer cross bars 24 are connected between two outer lower limbs 22.Two outer lower limbs 22 lay respectively at the outside of lower limb 12 in two, interior Lower limb 12 is slidably connected with outer lower limb 22.The interior cross bar 14 of interior ladder with the outer lower limb 22 of outer ladder on the same line, In i.e., the interior cross bar of ladder is between two outer lower limbs of outer ladder, and interior cross bar aligns with outer lower limb.Interior lower limb 12 and outer lower limb The cross section of 22 is closed hollow tubular construction.The front end face of interior lower limb 12 is concordant with the front end face of outer lower limb 22；Interior lower limb The rear end face of 12 is concordant with the rear end face of outer lower limb 22.

Interior cross bar 14 is connected with the medial surface of interior lower limb 12, and outer cross bar 24 and outer lower limb 22 are towards user side Front end face connects, and interior ladder 10 entirety is embedded in the middle of outer ladder 20.Described interior lower limb 12, outer lower limb 22 are perpendicular Straight long tube structure, described interior lower limb 12 and outer lower limb 22 are the tubular structures closed, outside described interior lower limb 12 Sliding surface opposite each other is formed between the medial surface of side and outer lower limb 22.

Refer to 4a to 4c, the sliding surface of described interior lower limb 12 is provided with lifting lug 16, the slip of described outer lower limb 22 Face is provided with lifting lug 26, and the lifting lug 16 of interior lower limb sliding surface snaps together with lifting lug 26 slip of outer lower limb sliding surface. Lifting lug 16, the quantity of lifting lug 26, formation are not restricted by, as long as slip can be coordinated to snap together.

Refer to 5a to 6c, it is also possible to be to be provided with chute 18 at the sliding surface of interior lower limb 12, outside lower limb 22 Sliding surface is provided with slide rail 28, and slide rail 28 is slideably inserted in chute 18, is capable of interior lower limb 12 equally with outer Lower limb 22 sliding extension connects.Or, the sliding surface of outer lower limb is provided with chute, and the sliding surface of interior lower limb is provided with slide rail, Slide rail is slideably inserted in chute.Described chute 18 preferably oat tail groove structure.

Refer to 4a to 6c, the cross section of described interior lower limb 12 is right-angled trapezium or square；Described outer lower limb 22 Cross section is right-angled trapezium or square.Preferably, the lateral surface of described outer lower limb 22 is outwardly arcwall face Structure.

Refer to Fig. 2 and Fig. 7, described outer ladder 20 also includes described support member 21, described support member 21 Quantity is two, and two support members 21 are connected to bottom two outer lower limbs 22, and are positioned at outside outer lower limb 22 Side, two support members 21 form Figure of eight structure and support on the ground.Described interior lower limb 12, outer lower limb 22 are aluminiums Matter, described support member 21 is iron material matter.Support member 21 is the shell structure of medial surface opening, support member 21 Being buckled on outer lower limb 22 by its lateral opening, support member 21 and outer lower limb 22 are riveted together by rivet.Preferably Ground, on the lateral surface of support member 21, projection is provided with rib 211.

The above, only this utility model preferred embodiment, therefore it is real to limit this utility model according to this The scope executed, the equivalence change i.e. made according to this utility model the scope of the claims and description and modification, all should Still belong in the range of this utility model contains.

Claims (10)

1. a novel telescopic ladder, including two flexible ladders, the top of two flexible ladders is hinged on one Act that formed can the herringbone structure of folding, it is characterised in that: the both sides bottom flexible ladder are connected to support Part, two support members are symmetrical arranged, and two support members form Figure of eight structure and support on the ground.

A kind of novel telescopic ladder the most according to claim 1, it is characterised in that: described flexible ladder Including the flexible interior ladder linked together and outer ladder, described interior ladder includes two interior lower limbs and is connected to two Interior cross bar between lower limb in root, described outer ladder includes two outer lower limbs and is connected to the outer horizontal stroke between two outer lower limbs Bar, interior lower limb is slidably connected with outer lower limb；Described interior lower limb is vertical long tube structure, and described outer lower limb is vertical length Tubular construction；Described outer ladder also includes described support member, and support member is connected to outer lower limb bottom outside.

A kind of novel telescopic ladder the most according to claim 2, it is characterised in that: described support member is The shell structure of medial surface opening, support member is buckled on outer lower limb by its lateral opening, rivet by support member and Outer lower limb is riveted together.

A kind of novel telescopic ladder the most according to claim 3, it is characterised in that: the outside of support member On face, projection is provided with rib.

A kind of novel telescopic ladder the most according to claim 2, it is characterised in that: described interior lower limb, outer Lower limb is aluminium material, and described support member is iron material matter.

A kind of novel telescopic ladder the most according to claim 2, it is characterised in that: interior lower limb and outer lower limb Cross section is closed hollow tubular construction.

A kind of novel telescopic ladder the most according to claim 6, it is characterised in that: two outer lower limbs position respectively The outside of lower limb in two, the interior cross bar of interior ladder is between two outer lower limbs of outer ladder；Interior cross bar and interior lower limb Medial surface connects, and outer cross bar is connected towards the front end face of user side with outer lower limb；Interior ladder is embedded into outside staircase In the middle of frame.

A kind of novel telescopic ladder the most according to claim 7, it is characterised in that: the front end face of interior lower limb Concordant with the front end face of outer lower limb；The rear end face of interior lower limb is concordant with the rear end face of outer lower limb.

A kind of novel telescopic ladder the most according to claim 2, it is characterised in that: outside described interior lower limb Sliding surface opposite each other is formed between the medial surface of side and outer lower limb；The sliding surface of described interior lower limb is provided with lifting lug, The sliding surface of described outer lower limb is provided with the lifting lug slip snapping of lifting lug, the lifting lug of interior lower limb sliding surface and outer lower limb sliding surface Together.

A kind of novel telescopic ladder the most according to claim 2, it is characterised in that: outside described interior lower limb Sliding surface opposite each other is formed between the medial surface of side and outer lower limb；The sliding surface of described interior lower limb is provided with chute, The sliding surface of described outer lower limb is provided with slide rail, and slide rail is slideably inserted in chute.