CN214616321U - Foot-operated elevator convenient to use - Google Patents

Abstract

The utility model discloses a foot is stepped on formula companion ladder convenient to use, including multistage telescopic ladder frame, multistage telescopic ladder frame each grade comprises foot beam and two support frames, and two support frames are located foot beam both sides and fixed connection with it, the support frame is the cavity form, the support frame is located foot beam department and lower extreme lateral wall and is equipped with first spacing hole, and is a plurality of be equipped with multistage expansion plate in the passageway that the support frame is constituteed, multistage expansion plate base and bottom support frame fixed connection, it has the spacing hole of second to open on every flexible level of multistage expansion plate. The utility model discloses its when satisfying the quick shrink of companion ladder, stability when can improving the companion ladder and expand guarantees that it can bear sufficient load.

Description

Foot-operated elevator convenient to use

Technical Field

The utility model relates to an elevator technical field especially relates to a formula elevator is stepped on to foot convenient to use.

Background

The ladder is the article that often uses in the middle of the daily life, and family can place a pair ladder for satisfy daily life's demand, especially in house decoration, among the process of cargo handling, the operation people of some eminences need just can accomplish with the help of the ladder.

However, most of common elevators are too long in length and large in occupied area, the common elevators are difficult to store in households, telescopic elevators are available in the market, most of the lifting joints of the common elevators are single in structure, the bearing capacity is low in normal use, the requirements of specific places are difficult to meet, and a foot-operated elevator convenient to use is needed in view of the above situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the foot of providing and stepping on formula companion ladder convenient to use, it is when satisfying the quick shrink of companion ladder, can improve the stability when the companion ladder expandes, guarantees that it can bear sufficient load.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a formula companion ladder is stepped on to foot convenient to use, includes multistage flexible ladder frame, multistage flexible ladder frame each grade comprises foot roof beam and two support frames, and two support frames are located foot roof beam both sides and fixed connection with it, the support frame is the cavity form, the support frame is located foot roof beam department and the lower extreme lateral wall is equipped with first spacing hole, and is a plurality of be equipped with multistage expansion plate in the passageway that the support frame is constituteed, multistage expansion plate base and bottom support frame fixed connection, it has the spacing hole of second to open on every flexible level of multistage expansion plate, the inside cavity that is equipped with of foot roof beam, foot roof beam lateral wall is opened has the bar mouth with the cavity intercommunication, be equipped with in cavity and the bar mouth and can carry out spacing stop gear to a plurality of support frames.

Preferably, the multistage expansion plate is stainless steel material, the terminal extension of multistage expansion plate is outside to the support frame, two fixedly connected with anchorage bar between the multistage expansion plate end.

Preferably, the aperture of the second limiting hole is the same as that of the first limiting hole.

Preferably, the limiting mechanism comprises two limiting rods in sliding connection with the cavity, and the diameters of the limiting rods are smaller than the caliber of the first limiting hole.

Preferably, sliding connection has two trigger bars in the bar mouth, two the trigger bar all extends to in the cavity and respectively with two gag lever post fixed connection, two pass through spring elastic connection between the trigger bar.

Preferably, the top two square pieces of foot roof beam lateral wall fixedly connected with, two square piece end all rotates and is connected with square board.

Compared with the prior art, the utility model, its beneficial effect does:

1. through set up the expansion plate in the passageway that a plurality of support frames are constituteed, pass the spacing hole of second when letting the gag lever post pass first spacing hole, can make the companion ladder after the expansion more firm for can bear bigger load after the companion ladder expandes.

2. Set up square piece and go up the square board of pivoted, the square board of pivoted can carry out effectual laminating with the wall to the protruding piece of square board lateral wall can increase the frictional force between square board and the wall, guarantees the stability of elevator at the placing process.

Drawings

Fig. 1 is a schematic perspective view of a foot-operated elevator convenient to use according to the present invention;

fig. 2 is a schematic diagram of a telescopic plate structure of a foot-operated elevator convenient to use;

fig. 3 is a schematic view of a single-stage telescopic ladder rack of a foot-operated elevator convenient to use according to the present invention.

In the figure: 1 support frame, 2 foot roof beams, 3 gag lever posts, 4 bar mouths, 5 trigger bars, 6 expansion plates, 7 anchorage bars, 8 square pieces, 9 square boards, 10 spacing holes of second, 11 first spacing holes.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a foot-operated escalator convenient for use, comprising a multi-stage telescopic ladder frame, each stage of the multi-stage telescopic ladder frame is composed of a foot beam 2 and two support frames 1, the two support frames 1 are positioned at both sides of the foot beam 2 and fixedly connected with the foot beam, the support frames 1 are hollow, the support frames 1 are positioned at the foot beam 2 and provided with first limiting holes 11 at the lower end side walls, a multi-stage telescopic plate 6 is arranged in a channel composed of the plurality of support frames 1, the base of the multi-stage telescopic plate 6 is fixedly connected with the support frame 1 at the bottom end, the multi-stage telescopic plate 6 is made of stainless steel, the tail end of the multi-stage telescopic plate 6 extends to the outside of the support frame 1, a fastening rod 7 is fixedly connected between the tail ends of the two multi-stage telescopic plates 6, the first limiting holes 11 penetrate through the support frames 1, and when the escalator is unfolded, the first limiting holes 11 at the lower end of the upper support frame 1 can correspond to the first limiting holes 11 at the upper end of the lower support frame 1, multistage expansion plate 6 that sets up in the passageway that a plurality of support frames 1 are constituteed can stretch out and draw back in its inside, guarantees holistic steadiness.

It has the spacing hole of second 10 to open on 6 every flexible grades of multistage expansion plate, the spacing hole of second 10 is the same with first spacing hole 11 bores, the spacing hole of a plurality of second 10 respectively with a plurality of first spacing hole 11 one-to-ones, when the companion ladder expandes, the first spacing hole 11 of 1 lower extreme of upper end support frame can coincide each other with the first spacing hole 11 of 1 upper end of lower extreme support frame, and the spacing hole of second 10 lies in between two first spacing holes 11 and coincides each other with it, guarantee that gag lever post 3 can pop out.

The inside cavity that is equipped with of foot roof beam 2, it has bar mouth 4 with the cavity intercommunication to open 2 lateral walls of foot roof beam, be equipped with in cavity and the bar mouth 4 and carry out spacing stop gear to a plurality of support frames 1, stop gear includes two gag lever posts 3 with cavity sliding connection, gag lever post 3 diameter is less than first spacing hole 11 bores, sliding connection has two trigger bars 5 in the bar mouth 4, two trigger bars 5 all extend to in the cavity and respectively with two gag lever posts 3 fixed connection, through spring elastic connection between two trigger bars 5, gag lever post 3 runs through foot roof beam 2 and can follow and pop out between first spacing hole 11 and the spacing hole of second 10 and extend to the outside, when gag lever post 3 popped out, it can let and keep relative stability between two support frames 1, it can make whole more stable to increase expansion plate 6.

2 lateral walls fixedly connected with square pieces 8 of top foot beam, 8 ends of two square pieces are all rotated and are connected with square board 9, and square board 9 lateral wall is equipped with the protruding piece of a plurality of rubber materials, and two 8 symmetric distributions of square piece can guarantee the stability that the companion ladder placed.

The utility model discloses during the use, when needs expand the companion ladder, pull out the support frame 1 at both ends this moment, make a plurality of support frames 1 extend, and through two expansion plates 6 of 7 stimulations of anchorage bar, make a plurality of gag lever posts 3 pop out from first spacing hole 11 and the spacing downthehole 10 of second, gag lever post 3 after popping out can realize spacing purpose between two support frames 1, place terminal square board 9 on the wall, pivoted square board 9 can closely laminate with the wall, and protruding piece on the square board 9 can increase the frictional force between square board 9 and the wall, guarantee that the companion ladder is whole in the relatively stable state.

When needs shrink the companion ladder, pinch gradually many pairs of bar mouth 4 this moment, draw the extension ladder frame of upper end into the great extension ladder frame of lower extreme in the middle of one by one, realize accomodating the companion ladder, reduce the area of companion ladder.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A foot-operated elevator convenient to use, which comprises a multi-stage telescopic ladder frame and is characterized in that, each stage of the multi-stage telescopic ladder frame consists of a foot beam (2) and two support frames (1), the two support frames (1) are positioned at the two sides of the foot beam (2) and are fixedly connected with the foot beam, the supporting frames (1) are hollow, first limiting holes (11) are formed in the supporting frames (1) at the foot beams (2) and on the side wall of the lower end of each supporting frame, a multi-stage expansion plate (6) is arranged in a channel formed by the supporting frames (1), the base of the multi-stage expansion plate (6) is fixedly connected with the support frame (1) at the bottommost end, each telescopic stage of the multi-stage telescopic plate (6) is provided with a second limiting hole (10), a cavity is arranged in the foot beam (2), a strip-shaped opening (4) communicated with the cavity is arranged on the side wall of the foot beam (2), limiting mechanisms capable of limiting the plurality of supporting frames (1) are arranged in the cavity and the strip-shaped openings (4).

2. The easy-to-use pedal type elevator as claimed in claim 1, wherein the multi-stage retractable plate (6) is made of stainless steel, the ends of the multi-stage retractable plate (6) extend to the outside of the supporting frame (1), and a fastening rod (7) is fixedly connected between the ends of the two multi-stage retractable plates (6).

3. A step-on escalator convenient for use according to claim 1, characterized in that said second limiting hole (10) has the same diameter as the first limiting hole (11).

4. A step-on escalator convenient for use according to claim 3, characterized in that, said limiting mechanism comprises two limiting rods (3) connected with the cavity in a sliding manner, and the diameter of said limiting rods (3) is smaller than the caliber of the first limiting hole (11).

5. The easy-to-use pedal type elevator as claimed in claim 4, wherein the bar-shaped opening (4) is slidably connected with two triggering rods (5), the two triggering rods (5) extend into the cavity and are respectively fixedly connected with the two limiting rods (3), and the two triggering rods (5) are elastically connected through a spring.

6. The easy-to-use pedal type elevator as claimed in claim 1, wherein two square blocks (8) are fixedly connected to the side wall of the foot beam (2) at the uppermost end, and a square plate (9) is rotatably connected to the ends of the two square blocks (8).

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