CN208347168U - A kind of portable and collapsible stair - Google Patents

Abstract

The utility model discloses a kind of portable and collapsible stair, including pedal, there are four the pedals, and the both side surface of pedal is each provided with two cradling pieces, the both ends of four pedals are provided with connection shaft with the junction of two cradling pieces respectively, the bottom end junction of two cradling pieces of the same side is provided with connection aluminium flake, pedal both ends in the present invention respectively pass through connection axis connection with two cradling pieces, in addition a pedal bottom on expansion pedestal and top passes through axis connection, so that Cargo Lift can realize opening and folding, with it is traditional it is fixed compared with, folding and unfolding enhanced convenience, space occupancy rate is small, it is easy to carry；Pedal bottom in the present invention increases can be with the slide plate of pull, stepped Cargo Lift can be become the structure of sliding board-type, intelligence more convenient to use in the edge of an adjacent pedal by load after slide plate stretching is opened, function is more diversified, and more time saving and energy saving.

Description

A kind of portable and collapsible stair

Technical field

The utility model belongs to Cargo Lift technical field, and in particular to a kind of portable and collapsible stair.

Background technique

Component in building as floor gap vertical transportation.For the traffic connection between floor and when height difference is larger System.Stair are also set in being equipped with the multilayer and skyscraper of elevator, autostairs as main vertical transportation means.High level is built Escape is used when building although with elevator as main vertical transportation instrument, but still retaining stair for fire.Stair are by even The compositions such as bench (also known as ladder is run), platform (half space) and the fender member of continuous step.

Present stair not only when floor between stair, some cargos carry when, there are height problems, generally all It will use the Cargo Lift of mobile handcart style, present Cargo Lift space occupied is larger, is not suitable for placing, in addition present step Cargo Lift function it is relatively simple, when freight conveys available sliding board-type, the Cargo Lift of step be cannot achieve, use It is not convenient and strength-saving enough, it has a single function.

Utility model content

The purpose of this utility model is to provide a kind of portable and collapsible stair, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of portable and collapsible stair, including steps on Plate, there are four the pedals, and the both side surface of pedal is each provided with two cradling pieces, the both ends of four pedals respectively with The junction of two cradling pieces is provided with connection shaft, and the bottom end junction of two cradling pieces of the same side is provided with connection Aluminium flake, the both ends of the connection aluminium flake pass through shaft with two cradling pieces and connect, the bottom two of the pedal on top An expansion pedestal is each provided at end margin, the expansion pedestal is connect with pedal by shaft, in the bottom of the pedal Meta position, which installs, is equipped with placing groove, and the both side surface of the placing groove is provided with sliding slot, and the placing groove is internally provided with slide plate, The both side surface end of the slide plate is each provided with a limitation slide bar, and one end of the limitation slide bar is extended to across sliding slot to be stepped on The rear surface in the outside of plate, the pedal is connected with stay hook by elastic string, and the rear surface edge of the slide plate is provided with Fixation hole, the other end of the stay hook is fixed with fixation hole to be connect.

Preferably, inclined-plane, the tilt angle and branch on the inclined-plane are provided at the top surface front edge of the pedal Corner dimension between hack lever opening state and ground is consistent.

Preferably, the both ends of the placing groove extend through the rear and front end of pedal, and the shape of placing groove is T junction Structure, the extension edge for placing trench bottom are 5cm smaller than the width of pedal.

Preferably, the width of the slide plate is consistent with the chamfer distance on two neighboring pedal.

Preferably, the structure of a raised strip, the protrusion are each provided at the upper surface edges at two ends of the slide plate Item is an integral structure with slide plate.

Compared with prior art, the utility model has the beneficial effects that pedal both ends in the present invention are respectively with two A cradling piece is by connection axis connection, and in addition a pedal bottom on expansion pedestal and top is by axis connection, so that Cargo Lift can Realize and open and fold, with it is traditional it is fixed compared with, folding and unfolding enhanced convenience, space occupancy rate is small, easy to carry；At this Pedal bottom in utility model increases can be with the slide plate of pull, and load is at the edge of an adjacent pedal after slide plate stretching is opened Stepped Cargo Lift, can be become the structure of sliding board-type, intelligence more convenient to use, function is more diversified, and more by place It is time saving and energy saving.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is that the pedal of the utility model faces schematic cross-sectional view；

Fig. 3 is side view schematic cross-sectional view under the slide plate tensional state of the utility model；

Fig. 4 is the slide plate overlooking structure diagram of the utility model；

In figure: 1, cradling piece；2, aluminium flake is connected；3, expansion pedestal；4, shaft is connected；5, pedal；6, slide bar is limited；7, it puts Set slot；8, slide plate；9, sliding slot；10, stay hook；11, fixation hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1 to FIG. 4: a kind of portable and collapsible stair, including steps on Plate 5, there are four pedals 5, and the both side surface of pedal 5 is each provided with two cradling pieces 1, and the both ends of four pedals 5 are respectively with two The junction of a cradling piece 1 is provided with connection shaft 4, and the bottom end junction of two cradling pieces 1 of the same side is provided with connection aluminium The both ends of piece 2, connection aluminium flake 2 are connect by shaft with two cradling pieces 1, the bottom edges at two ends of a pedal 5 on top Place is each provided with an expansion pedestal 3, and expansion pedestal 3 is connect with pedal 5 by shaft, the bottom middle position setting of pedal 5 There is placing groove 7, the both side surface of placing groove 7 is provided with sliding slot 9, and placing groove 7 is internally provided with slide plate 8, the two sides table of slide plate 8 Face end is each provided with a limitation slide bar 6, and one end of limitation slide bar 6 passes through the outside that sliding slot 9 extends to pedal 5, pedal 5 Rear surface is connected with stay hook 10 by elastic string, and the rear surface edge of slide plate 8 is provided with fixation hole 11, stay hook 10 it is another One end is fixed with fixation hole 11 and connect.

In order to guarantee slide plate 8 place it is smooth, in the present embodiment, it is preferred that at the top surface front edge of pedal 5 be arranged There is inclined-plane, the tilt angle on inclined-plane is consistent with the corner dimension between 1 opening state of cradling piece and ground.

Slide plate 8 is rotated in order to facilitate when placing slide plate 8, while pulling out for convenience, in the present embodiment, it is preferred that place The both ends of slot 7 extend through the rear and front end of pedal 5, and the shape of placing groove 7 is T-type structure, the extension edge of 7 bottom of placing groove It is 5cm smaller than the width of pedal 5.

The inclined-plane on adjacent pedal 5 can be touched for slide plate 8, in the present embodiment, it is preferred that the width of slide plate 8 It is consistent with the chamfer distance on two neighboring pedal 5.

Article slides from 8 side surface of slide plate in order to prevent, in the present embodiment, it is preferred that the upper surface edges at two ends of slide plate 8 Place is each provided with the structure of a raised strip, and raised item is an integral structure with slide plate 8.

The working principle and process for using of the utility model: when the utility model is used, by 3 erect of expansion pedestal Come, then stretch the bottom end of cradling piece 1, until the pedal 5 and 3 plumbness of expansion pedestal at top, then tightens flexible branch The fastening bolt of seat 3 and 5 junction of pedal；

When needing as slide transport cargo, stay hook 10 can be taken out out of fixation hole 11, then pull slide plate 8, Slide plate 8 is slided by limitation slide bar 6 along sliding slot 9, and until limitation slide bar 6 slides into the end of sliding slot 9, slide plate 8 is from placing groove 7 Then one end that slide plate 8 stretches out is placed on the front end inclined-plane on adjacent pedal 5 by interior stretching, until will be on all pedals 5 Slide plate 8 be fully extended i.e. can be used.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of portable and collapsible stair, including pedal (5), it is characterised in that: there are four the pedals (5), and pedal (5) Both side surface be each provided with two cradling pieces (1), the both ends of four pedals (5) company with two cradling pieces (1) respectively The place of connecing is provided with connection shaft (4), and the bottom end junction of the cradling piece (1) of two of the same side is provided with connection aluminium flake (2), The both ends of connection aluminium flake (2) are connect by shaft with two cradling pieces (1), the bottom of the pedal (5) of one of top An expansion pedestal (3) is each provided at portion's edges at two ends, the expansion pedestal (3) is connect with pedal (5) by shaft, described The bottom middle position of pedal (5) is provided with placing groove (7), and the both side surface of the placing groove (7) is provided with sliding slot (9), institute Being internally provided with slide plate (8) for placing groove (7) is stated, the both side surface end of the slide plate (8) is each provided with a limitation slide bar (6), one end of limitation slide bar (6) passes through the outside that sliding slot (9) extend to pedal (5), and the rear surface of the pedal (5) is logical It crosses elastic string to be connected with stay hook (10), the rear surface edge of the slide plate (8) is provided with fixation hole (11), the stay hook (10) the other end is fixed with fixation hole (11) and connect.

2. a kind of portable and collapsible stair according to claim 1, it is characterised in that: the top table of the pedal (5) Inclined-plane, angle of the tilt angle and cradling piece (1) on the inclined-plane between opening state and ground are provided at end margin in front It is in the same size.

3. a kind of portable and collapsible stair according to claim 1, it is characterised in that: the both ends of the placing groove (7) The rear and front end of pedal (5) is extended through, and the shape of placing groove (7) is T-type structure, the extension of placing groove (7) bottom While 5cm smaller than the width of pedal (5).

4. a kind of portable and collapsible stair according to claim 2, it is characterised in that: the width of the slide plate (8) with Chamfer distance on two neighboring pedal (5) is consistent.

5. a kind of portable and collapsible stair according to claim 1, it is characterised in that: the upper surface of the slide plate (8) The structure of a raised strip is each provided at edges at two ends, the raised item is an integral structure with slide plate (8).