CN111963045A

CN111963045A - Portable full-telescopic single ladder

Info

Publication number: CN111963045A
Application number: CN202010869540.9A
Authority: CN
Inventors: 笪艺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-20

Abstract

The invention discloses a portable full-extension single ladder, which comprises an upper ladder body and a lower ladder body, wherein a guide rail is fixedly arranged above the lower ladder body, sliding grooves are formed in the middles of the inner sides of the upper ladder body and the lower ladder body, positioning holes are uniformly formed in the inner sides of the sliding grooves, movable cross rods are slidably arranged in the sliding grooves, hole grooves are formed below the movable cross rods, springs are fixedly arranged in the middles of the movable cross rods, compression parts are movably arranged on two sides of each spring, built-in cross rods are fixedly arranged on the outer sides of the compression parts, handles are fixedly arranged on the front sides of the upper ladder body, fastening bolts are movably arranged at four corners above the upper ladder body, bolt holes are formed above guide rails at four corners of the lower ladder body, and the lower part of the upper ladder body is slidably connected with the; the invention can realize the purposes of reducing the volume of a single ladder, being convenient to carry and move, having single function and additional function.

Description

Portable full-telescopic single ladder

Technical Field

The invention relates to the field of machinery, in particular to a portable full-extension single ladder.

Background

The ladder is a daily life appliance, the tool is made up of two long thick rods as the edge, the middle crosses the cross bar suitable for climbing, it is used for climbing, the ladder is divided into single ladder and double ladder, double ladder-type ladder-a kind of climbing tool used for decorating the space above the level (such as the roof), because it uses, the front and back ladder rods and ground form an isosceles triangle, look like a 'people' word, therefore call it the 'double ladder' like the figure.

Most single ladders suffer from the following disadvantages: firstly, the single ladder is too large and inconvenient to carry and move; secondly, the single ladder has single function and no additional function.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems of the prior art that a single ladder is too huge, inconvenient to carry and move, single in function and free of additional functions, the invention provides a portable full-extension single ladder, which can achieve the purposes of reducing the volume of the single ladder, being convenient to carry and move, having single function and having additional functions.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A portable full-extension single ladder comprises an upper ladder body and a lower ladder body, wherein a guide rail is fixedly arranged above the lower ladder body, guide rail grooves are formed in the lower portions of the front side and the rear side of the upper ladder body, sliding grooves are formed in the middles of the inner sides of the upper ladder body and the lower ladder body, positioning holes are uniformly formed in the inner sides of the sliding grooves, movable cross rods are slidably arranged in the sliding grooves, hole grooves are formed in the lower portions of the movable cross rods, springs are fixedly arranged in the middles of the inner portions of the movable cross rods, compression parts are movably arranged on two sides of the springs, built-in cross rods are fixedly arranged on the outer sides of the compression parts, a handle is fixedly arranged on the front side of the upper ladder body, fastening bolts are movably arranged at four corners above the upper ladder body, bolt holes are formed in four corners above the guide rails at, the built-in cross rod is in clearance fit with the movable cross rod.

Preferably, the outer end of the built-in cross rod is in clearance fit with the positioning hole.

Preferably, the hole groove is connected with the compression part through a hole.

Preferably, the movable cross rods are six, and three movable cross rods are respectively arranged inside the upper ladder body and inside the lower ladder body.

Preferably, the front side of the lower ladder body is provided with a part storage box.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) according to the invention, through the arranged guide rail groove, the guide rail, the fastening bolt, the bolt hole and the handle, the dovetail-shaped guide rail can bear overturning moment, so that the single ladder is not easy to tip, the upper ladder body and the lower ladder body can slide through the cooperation between the guide rail and the guide rail, the top end of the lower ladder body slides to the lower end of the upper ladder body, the upper ladder body and the lower ladder body are fixed through the cooperation between the fastening bolt and the bolt hole, after the upper ladder body and the lower ladder body are fixed, the climbing can be carried out, the handle is fixedly arranged on the front side of the upper ladder body, after the upper ladder body and the lower ladder body slide to the original positions, the upper ladder body and the lower ladder body are fixed through the fastening bolt and the bolt hole, and then the handle is lifted, so that the portable movement can be carried out.

(2) According to the invention, through the part storage box, small tools required by work can be placed in the part storage box, a worker can conveniently and quickly open the part storage box by one person to pick and place the small tools during work, the passing and receiving of tools below the part storage box are not required, the required tools can be put in advance, and the problem that the tools are forgotten to be taken again is solved, so that the problems that the function of a single ladder is single and additional functions are not available are solved.

(3) According to the invention, through the arrangement of the movable cross rod, the built-in cross rod, the spring, the compression part and the hole groove, the bottom of the compression part is pressed in the opposite direction by exposing the bottom of the compression part of the hole groove, the spring is compressed, and the built-in cross rod is retracted and separated from the positioning hole, so that the movable cross rod can freely slide in the sliding groove.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the descending ladder body of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a schematic view of the chute of the present invention;

FIG. 5 is a schematic structural view of a movable cross bar of the present invention;

fig. 6 is a schematic view showing the structure of the compressing member of the present invention.

In the figure: 1-going up the ladder body; 2-fastening bolts; 3-a movable cross bar; 4-a handle; 5-guide rail grooves; 6-bolt hole; 7-a guide rail; 8-a chute; 9-parts storage box; 10-descending ladder body; 11-a spring; 12-a compression member; 13-a built-in crossbar; 14-positioning holes; 15-hole groove.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Referring to fig. 1-6, a portable full-extension single ladder comprises an upper ladder body 1 and a lower ladder body 10, wherein a guide rail 7 is fixedly arranged above the lower ladder body 10, guide rail grooves 5 are arranged below the front side and the rear side of the upper ladder body 1, a sliding groove 8 is respectively arranged between the inner sides of the upper ladder body 1 and the lower ladder body 10, a positioning hole 14 is uniformly arranged on the inner side of the sliding groove 8, a movable cross rod 3 is slidably arranged in the sliding groove 8, a hole groove 15 is arranged below the movable cross rod 3, a spring 11 is fixedly arranged in the middle of the inner part of the movable cross rod 3, compression parts 12 are movably arranged on two sides of the spring 11, a built-in cross rod 13 is fixedly arranged on the outer side of the compression part 12, a handle 4 is fixedly arranged on the front side of the upper ladder body 1, fastening bolts 2 are movably arranged at four corners above the upper ladder body 1, bolt, the lower part of the upper ladder body 1 is connected with the upper part of the lower ladder body 10 in a sliding mode through a guide rail groove 5 and a guide rail 7, and the built-in cross rod 13 is in clearance fit with the movable cross rod 3.

Built-in horizontal pole 13 outer end and 14 clearance fit of locating hole prevent that the pole that becomes flexible and lead to from rotating and the lateral sliding from appearing between hole and the pole, hole groove 15 is connected with compression part 12 perforation, and compression part 12 bottom is worn out and is convenient for press, activity horizontal pole 3 is equipped with six, and goes up 1 inside of terraced body and the inside three of respectively installing of terraced body 10 down, and suitable quantity can be with apart from evenly distributed, part receiver 9 has been seted up to terraced body 10 front side, can accomodate.

The working principle is as follows: firstly, assembling all parts completely; secondly, the user unscrews fastening bolt 2, pull up body 1 again, screw up fastening bolt 2 of body 1 lower part of last ladder, through the compression part 12 bottom that exposes slot 15, the relative direction is pressed compression part 12 bottom, spring 11 is compressed, built-in horizontal pole 13 is withdrawed and is left locating hole 14, activity horizontal pole 3 can freely slide in 8 insides of spout, adjust every activity horizontal pole 3 to a certain position, and make built-in horizontal pole 13 kick-in locating hole 14, unscrew fastening bolt 2, pull up body 1 again, screw up fastening bolt 2 of body 1 lower part of last ladder, can climb after the completion.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a portable full flexible single ladder, includes ladder body (1) and lower ladder body (10), its characterized in that: the ladder is characterized in that a guide rail (7) is fixedly mounted above the lower ladder body (10), guide rail grooves (5) are formed in the lower portions of the front side and the rear side of the upper ladder body (1), sliding grooves (8) are formed in the middles of the inner sides of the upper ladder body (1) and the lower ladder body (10), positioning holes (14) are uniformly formed in the inner sides of the sliding grooves (8), movable transverse rods (3) are slidably mounted in the sliding grooves (8), hole grooves (15) are formed in the lower portions of the movable transverse rods (3), springs (11) are fixedly mounted in the middles of the inner portions of the movable transverse rods (3), compression parts (12) are movably mounted on two sides of the springs (11), built-in transverse rods (13) are fixedly mounted on the outer sides of the compression parts (12), handles (4) are fixedly mounted on the front side of the upper ladder body (, bolt holes (6) are formed in the upper portions of four corner guide rails (7) of the lower ladder body (10), the lower portion of the upper ladder body (1) is connected with the upper portion of the lower ladder body (10) in a sliding mode through guide rail grooves (5) and the guide rails (7), and the built-in cross rods (13) are in clearance fit with the movable cross rods (3).

2. A portable fully-telescopic single ladder as claimed in claim 1, wherein: the outer end of the built-in cross rod (13) is in clearance fit with the positioning hole (14).

3. A portable fully-telescopic single ladder as claimed in claim 1, wherein: the hole groove (15) is connected with the compression part (12) through a hole.

4. A portable fully-telescopic single ladder as claimed in claim 1, wherein: the movable cross rods (3) are six, and the number of the movable cross rods is three in the upper ladder body (1) and the number of the movable cross rods are three in the lower ladder body (10).

5. A portable fully-telescopic single ladder as claimed in claim 1, wherein: a part storage box (9) is arranged on the front side of the lower ladder body (10).