CN209324248U

CN209324248U - A kind of multi-functional herring ladder

Info

Publication number: CN209324248U
Application number: CN201821184669.0U
Authority: CN
Inventors: 张云生; 金莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2019-08-30
Anticipated expiration: 2028-07-25

Abstract

The utility model discloses a kind of multi-functional herring ladders, including double ladder ontology, the double ladder ontology includes hinge, upper ladder and descending stair, the upper ladder and descending stair are equipped with multiple stulls, it is intermediate on the inside of the descending stair stull to be equipped with limit hole, it is equipped with the elastic pin cooperated with limit hole in the middle part of the upper terraced stull, the stull of the upper ladder is located at the inside of cat ladder beam, and the stull of descending stair is located at the outside of cat ladder beam；The cat ladder beam of the two sides of the descending stair is made of U-shaped groove bar, and the upper terraced U-shaped groove bar of the cat ladder beam casing loaded on descending stair is interior and can move up and down along the track that U-shaped groove is formed, and the side ladder beam frame of the descending stair cat ladder beam is equipped with 4 Universal pulleys.Pin is unscrewed on the other hand when the high low adjustment of the utility model ladder, another hand telescopic ladder operates more convenient convenience, and ladder can be changed into cargo transport trolley, tool, consumptive material etc. are put on ladder, hand draws ladder, and ladder, tool, consumptive material etc. are transported to designated position.

Description

A kind of multi-functional herring ladder

Technical field

The utility model belong to ladder field more particularly to it is a kind of for fitting up, decorateing when ascend a height the multi-functional people of operation Word ladder.

Background technique

It is well known that ladder, daily life tools do side by two root long thick bar, scansorial cross bar is crossed in centre, For climbing, under construction decoration, lamps and lanterns maintenance, the daily occasions such as keep a public place clean, it is required to ascend a height using ladder to facilitate.Such as Need to need using ladder when plastering wall, installation furred ceiling in construction decoration, needed when more changing the bulb, repairing lamps and lanterns using Ladder is needed when removing the dust spot at higher position using ladder.It and is exactly herringbone in the most common ladder in this place Ladder, the front and back ladder bars of double ladder and ground constitute an isosceles triangle, it appears that as " people " word, thus are referred to as people Word ladder, existing double ladder is divided into fixed double ladder and moving herringbone ladder, because the top of moving herringbone ladder is connected together with loose-leaf, moves Can be easy to carry altogether when dynamic, use is more extensive, but different places need the double ladder of different length, double ladder Length needs the double ladder not equal with multiple length if non-adjustable, and when use is very inconvenient, though in addition some double ladders Right length is adjustable, but it is above there are two fixator pins, after when adjustment length, needs two hands to unscrew pin, then the ladder that shrinks Son is twisted pin and is buckled and telescopic ladder cannot carry out simultaneously, inconvenience also wastes time when operation；There are also be exactly general carrying ladder The period of the day from 11 p.m. to 1 a.m is certain to carry corresponding tool, consumptive material etc., takes tool, consumptive material on the other hand, takes ladder to take action very much difficultly on the other hand Also very inconvenient.Therefore, how to solve the above problems, become the brainstorm subject of prior art.

Utility model content

In order to overcome the disadvantages mentioned above of the prior art, the utility model provides a kind of multi-functional herring ladder, not only ladder Length is adjustable, unscrews pin on the other hand when adjusting, another hand telescopic ladder operates more convenient convenience, and ladder can turn Become trolley of freighting, tool, consumptive material etc. is put on ladder, hand draws ladder, and ladder, tool, consumptive material etc. are transported to finger Positioning is set.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of multi-functional herring ladder, including double ladder Ontology, the double ladder ontology include that hinge, upper ladder and descending stair, the upper ladder top portion are equipped with hinge, and the upper ladder is sleeved on down In ladder, the upper ladder and descending stair are made of multiple stulls and cat ladder beam, intermediate equipped with limit hole on the inside of the descending stair stull, described It is equipped with the elastic pin cooperated with limit hole in the middle part of upper ladder the lowermost stull, the stull of the upper ladder is fixed on the interior of cat ladder beam Side, the stull of descending stair are fixed on the outside of cat ladder beam；The cat ladder beam of the two sides of the descending stair is made of U-shaped groove bar, it is described on U-shaped groove bar of the terraced cat ladder beam casing loaded on descending stair is interior and can move up and down along the track that U-shaped groove is formed, to realize herringbone Terraced ontology is whole to be stretched, and the side ladder beam frame of the descending stair cat ladder beam is equipped with 4 Universal pulleys.

Further, it is welded with support round bar in the descending stair cat ladder beam, is fixed on the inside of U-shaped groove bar.

Further, the hinge is endless belt hole chain, and the connector at both ends is knot that can be undone by a pull, and described knot that can be undone by a pull one end is fixed on On the cat ladder beam of upper ladder, knot that can be undone by a pull and hinge closed position, the elasticity of adjustable hinge, to guarantee double ladder ontology are adjusted Different folding angles.

Further, the resilient key attached bag includes the bottom plate of pin, spring, pull ring and fixed spring.

Compared with prior art, the utility model has the following beneficial effects: upper ladder cat ladder beam casing dress described in the utility model In in the U-shaped groove bar of descending stair and can be moved up and down along the track that U-shaped groove is formed, be equipped among the stull limit hole and The limit hole is equipped with elastic pin, and when double ladder ontology needs flexible, a hand unclamps the side stull of double ladder ontology Inner elastic pin, the dynamic upper ladder of another hand push, can be realized ladder and moves along the track that the U-shaped groove bar of descending stair is formed, When moving to suitable position, it is overlapped ladder and descending stair beam rail, that is, limit hole is overlapped, and presses what elastic pin was just realized Stretching for side double ladder ontology, similarly removes operation double ladder ontology other side stull and upper ladder, regulates terraced bottom hinge Elasticity, be achieved that whole flexible of double ladder, solving ladder in the prior art, there are two fixed lock, adjustment lengths When need after two hands unscrew lock, then the ladder that shrinks, that is, twisting pin and telescopic ladder cannot carry out simultaneously, and when operation is inconvenient Also waste time problem；The side ladder beam frame of the descending stair cat ladder beam is equipped with equally distributed 4 Universal pulleys, and upper ladder is complete Portion stretches into the U-shaped groove bar of descending stair, tightens elastic pin, and hinge-opening knot that can be undone by a pull regulates the elasticity of hinge, by herringbone Terraced ontology handstand makes Universal pulley contact ground, and hinge makes the expanded angle of 90 degree of descending stair two sides guarantee at this time, by tool, consumptive material And other items can be placed on the descending stair with Universal pulley, then haul the descending stair of the other side manually, double ladder ontology can be realized Movement, by double ladder as small automobile-used.

In short, not only ladder length is adjustable for the utility model, when adjusting, unscrews pin on the other hand, another hand telescopic ladder, More convenient convenience is operated, and ladder can be changed into cargo transport trolley, tool, consumptive material etc. are put on ladder, hand is drawn Ladder, tool, consumptive material etc. are transported to designated position by ladder.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The some embodiments recorded in application, it is for those of ordinary skill in the art, small in the premise not made the creative labor, It is also possible to obtain other drawings based on these drawings.

Fig. 1 show the utility model structure diagram；

Fig. 2 show the inside structure schematic diagram that the utility model double ladder ontology is seen from inside to outside；

Fig. 3 is shown after ladder enters descending stair on the utility model double ladder ontology, and structure is shown after double ladder ontology stands upside down It is intended to；

Fig. 4 show ladder and descending stair junction A-A sectional view.

Specific embodiment

It is described in detail below in conjunction with the technical scheme in the embodiment of the utility model:

Referring to Fig.1, shown in Fig. 2, Fig. 3, Fig. 4, a kind of multi-functional herring ladder, including double ladder ontology, the double ladder sheet Body includes hinge 1, upper terraced 2 and descending stair 3, and upper terraced 2 top is equipped with hinge 1, and described terraced 2 are sleeved in descending stair 3, it is described on Ladder 2 and descending stair 3 are equipped with multiple stulls 4, and 3 stull of descending stair, 4 inside is intermediate to be equipped with limit hole 5, in upper terraced 2 stull 4 Portion is equipped with the elastic pin 6 cooperated with limit hole 5, and upper terraced 2 stull 4 is located at the inside of cat ladder beam, the stull 4 of descending stair 3 It is located at the outside of cat ladder beam, the stull 4 of upper ladder 2 does not interfere upper terraced 2 to move downward when ladder 2 is inserted in descending stair 3 in guarantee；Under described The cat ladder beam of two sides of ladder 3 is made of U-shaped groove bar 7, the upper terraced 2 cat ladder beam casing loaded in the U-shaped groove bar 7 of descending stair 3 and It can be moved up and down along the track that U-shaped groove is formed, to realize whole flexible, the 3 cat ladder beam of descending stair of double ladder ontology Side ladder beam frame be equipped with 4 Universal pulleys 8.

It is welded with support round bar in the 3 cat ladder beam of descending stair, the inside of U-shaped groove bar 7 is fixed on, to 3 cat ladder of descending stair Beam plays reinforcement effect, prevents 3 cat ladder beam of descending stair from deforming.

The hinge 1 is endless belt hole chain, and the connector at both ends is knot that can be undone by a pull 9, and described 9 one end of knot that can be undone by a pull is fixed on terraced 2 Cat ladder beam on, adjust knot that can be undone by a pull 9 and 1 closed position of hinge, the elasticity of adjustable hinge 1, to guarantee double ladder ontology Different folding angles.

The elasticity pin 6 includes the bottom plate of pin, spring, pull ring and fixed spring that is, will be elastic with pull ring is pulled Pin is transferred to from limit hole 5, then mobile upper ladder 2, is made terraced 2 relative to the movement of descending stair 3 and designated position, trip spring pin Son 6, spring pin 6 is returned in limit hole 5 under spring force, has thus been locked upper terraced 2 and descending stair 3, has been completed Ladder ontology stretches.

Working principle of the utility model is:

Upper ladder is deep into descending stair first, elastic pin is tightened, regulates hinge, makes descending stair two sides at an angle of 90 degrees, it will Double ladder ontology stands upside down, and makes the terraced beam contact ground with universal wheel, then tool, consumptive material and other items are placed on above terraced beam, The cat ladder beam for pulling the other side, is sent to designated position for cargo；Then after reaching designated position, cargo is removed, by herringbone Terraced ontology righting, a hand, which unclamps, pops up pin on the inside of the stull of double ladder ontology side, and the dynamic upper ladder of another hand push can be realized Upper ladder is moved along the track that the U-shaped groove bar of descending stair is formed, and when moving to suitable position, makes ladder and descending stair beam rail weight It closes, that is, limit hole is overlapped, and tightens elastic pin, the side double ladder ontology just realized stretches；Finally similarly go to operate The other side stull of double ladder ontology and upper ladder are achieved that double ladder is whole and stretch, double ladder ontology is adjusted to suitable height After degree, pop-up pin is tightened, regulates hinge elasticity, just completes the adjusting work of double ladder ontology.

The above is only the specific embodiment of the application, it is noted that is the ordinary skill people of the art For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered It is considered as the protection scope of the application.

Claims

1. a kind of multi-functional herring ladder, including double ladder ontology, the double ladder ontology includes hinge, upper ladder and descending stair, spy Sign is: the upper ladder top portion is equipped with hinge, and the upper ladder is sleeved in descending stair, and the upper ladder and descending stair by multiple stulls and erect Terraced Liang Zucheng, the descending stair stull inside is intermediate to be equipped with limit hole, and upper terraced the lowermost stull middle part is equipped with and limit hole The stull of the elastic pin of cooperation, the upper ladder is fixed on the inside of cat ladder beam, and the stull of descending stair is fixed on the outside of cat ladder beam； The cat ladder beam of the two sides of the descending stair is made of U-shaped groove bar, the upper terraced cat ladder beam casing loaded in the U-shaped groove bar of descending stair and It can move up and down along the track that U-shaped groove is formed, stretch to realize that double ladder ontology is whole, the descending stair cat ladder beam Side ladder beam frame is equipped with 4 Universal pulleys.

2. a kind of multi-functional herring ladder according to claim 1, it is characterised in that: be welded with branch in the descending stair cat ladder beam Bar is held round, the inside of U-shaped groove bar is fixed on.

3. a kind of multi-functional herring ladder according to claim 1, it is characterised in that: the hinge is that common ring-type is with holes Chain, the connector at both ends are knot that can be undone by a pull, and described knot that can be undone by a pull one end is fixed on the cat ladder beam of ladder.

4. a kind of multi-functional herring ladder according to claim 1, it is characterised in that: the resilient key attached bag includes pin, bullet The bottom plate of spring, pull ring and fixed spring.