CN212003001U

CN212003001U - Multifunctional extension ladder

Info

Publication number: CN212003001U
Application number: CN202020158282.9U
Authority: CN
Inventors: 胡林有
Original assignee: Yongkang Dongxu Elevator Co ltd
Current assignee: Yongkang Dongxu Elevator Co ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-11-24
Anticipated expiration: 2030-02-10

Abstract

The utility model discloses a multifunctional telescopic ladder, including telescopic ladder and running-board, telescopic ladder includes the ladder pole, the ladder pole comprises sleeve pipe and inserted bar, the inserted bar activity is pegged graft in sheathed tube inside, spacing hole has been seted up to the sheathed tube bottom, the spring groove has been seted up to the bottom side of inserted bar, the internally mounted in spring groove has the spring, the limiting plate of pegging graft in the spring groove is installed to the tip of spring, the bottom fixedly connected with stopper of limiting plate, the stopper activity is pegged graft in the inside in spacing hole. The utility model discloses mainly constitute by parts such as flexible ladder, running-board, according to the needs of in-service use, adjust the position of inserted bar in the sleeve pipe, adjust the width of flexible ladder, after adjusting the completion, spring extrusion stopper in the spring groove is inserted in the spacing hole of sleeve pipe bottom, is favorable to fixing the position of inserted bar for flexible ladder uses more conveniently.

Description

Multifunctional extension ladder

Technical Field

The utility model relates to an extension ladder technical field specifically is multi-functional extension ladder.

Background

When carrying out the building decoration design, need carry out the auxiliary operation with the help of some ladders usually, finishing appliances such as double ladder, scaffold frame bring very big convenience for people's production, life, but current extension ladder, scaffold frame function singleness, independent utility separately.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional extension ladder to propose current extension ladder, scaffold frame function singleness among the above-mentioned background of the solution, independent utility's problem separately.

In order to achieve the above object, the utility model provides a following technical scheme: the multifunctional extension ladder comprises an extension ladder and a pedal, wherein the extension ladder comprises a ladder rod, the ladder rod consists of a sleeve and an insertion rod, the insertion rod is movably inserted in the sleeve, a limiting hole is formed in the bottom of the sleeve, a spring groove is formed in the bottom side of the insertion rod, a spring is installed in the spring groove, a limiting plate inserted in the spring groove is installed at the end of the spring, a limiting block is fixedly connected to the bottom of the limiting plate, and the limiting block is movably inserted in the limiting hole;

the bottom welding of running-board has U type frame, the upper end welding of telescopic ladder has the trip with U type frame assorted, one side welding of trip has the supporting shoe.

Preferably, the linear bearing is inserted into the sleeve, and the linear bearing is sleeved outside the inserted rod.

Preferably, the pedal plate comprises an aluminum alloy frame, a cross brace is welded on the inner side of the aluminum alloy frame, and a screen plate is welded on the top of the cross brace.

Preferably, the lower extreme of flexible ladder is installed the block rubber, the bottom of block rubber is equipped with anti-skidding line.

Preferably, a handle is installed on the edge of the pedal, and a rubber sleeve is sleeved outside the handle.

Preferably, the bottom of the pedal plate is welded with two groups of protruding blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model mainly comprises a telescopic ladder, a pedal plate and other parts, the position of the inserted bar in the sleeve is adjusted according to the actual use requirement, the width of the telescopic ladder is adjusted, after the adjustment is completed, the spring extrusion limiting block in the spring groove is inserted in the limiting hole at the bottom of the sleeve, the position of the inserted bar is favorably fixed, and the telescopic ladder is more convenient to use; the clamping hooks at the upper end of the telescopic ladder are clamped in the U-shaped frame at the bottom of the pedal plate, so that the telescopic ladder and the pedal plate are assembled together, and the whole telescopic ladder can be used as a scaffold.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view of the ladder bar of the present invention;

fig. 4 is a schematic top view of the pedal of the present invention.

In the figure: 1. a telescopic ladder; 2. a foot pedal; 3. a ladder bar; 4. a sleeve; 5. inserting a rod; 6. a spring slot; 7. a spring; 8. a limiting plate; 9. a limiting block; 10. a limiting hole; 11. a U-shaped frame; 12. a hook is clamped; 13. a support block; 14. a linear bearing; 15. an aluminum alloy frame; 16. a screen plate; 17. a cross brace; 18. a rubber block; 19. a handle; 20. a rubber sleeve; 21. and (4) a convex block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the multifunctional extension ladder comprises an extension ladder 1 and a pedal 2, wherein the extension ladder 1 comprises a ladder rod 3, the ladder rod 3 consists of a sleeve 4 and an inserting rod 5, the inserting rod 5 is movably inserted in the sleeve 4, a linear bearing 14 is inserted in the sleeve 4, the linear bearing 14 is sleeved outside the inserting rod 5, the linear bearing 14 is favorable for improving the connection tightness between the inserting rod 5 and the sleeve 4, the bottom of the sleeve 4 is provided with a limiting hole 10, the bottom side of the inserting rod 5 is provided with a spring groove 6, a spring 7 is arranged in the spring groove 6, the end part of the spring 7 is provided with a limiting plate 8 inserted in the spring groove 6, the bottom of the limiting plate 8 is fixedly connected with a limiting block 9, the limiting block 9 is movably inserted in the limiting hole 10, the lower end of the extension ladder 1 is provided with a rubber block 18, the bottom of the rubber block 18 is provided with anti-skid lines, and the rubber block 18 is beneficial to improving the friction force between the telescopic ladder 1 and the ground and improving the stability;

the bottom welding of running-board 2 has U type frame 11, the upper end welding of telescopic ladder 1 has the trip 12 with U type frame 11 assorted, the welding of one side of trip 12 has supporting shoe 13, and this supporting shoe 13 can push up in the bottom of running-board 2, is favorable to keeping telescopic ladder 1's inclination, the welding of the bottom of running-board 2 has two sets of protruding pieces 21, and the space between two sets of protruding pieces 21 is the same with the thickness of supporting shoe 13, is favorable to restricting the position of supporting shoe 13. The pedal plate 2 comprises an aluminum alloy frame 15, a cross brace 17 is welded on the inner side of the aluminum alloy frame 15, a screen plate 16 is welded on the top of the cross brace 17, the cross brace 17 is favorable for supporting the screen plate 16, the weight of the pedal plate 2 is reduced, a handle 19 is installed on the edge of the pedal plate 2, the pedal plate 2 is convenient to hold, a rubber sleeve 20 is sleeved outside the handle 19, and the comfort of the hand is improved.

The working principle is as follows: according to the actual use requirement, the position of the inserted rod 5 in the sleeve 4 is adjusted to adjust the width of the telescopic ladder 1, and after the adjustment is completed, the spring 7 in the spring groove 6 extrudes the limiting block 9 to be inserted into the limiting hole 10 at the bottom of the sleeve 4, so that the position of the inserted rod 5 is favorably fixed, and the telescopic ladder is more convenient to use; the clamping hook 12 at the upper end of the telescopic ladder 1 is clamped in the U-shaped frame 11 at the bottom of the pedal 2, so that the telescopic ladder 1 and the pedal 2 are assembled together, and the whole telescopic ladder can be used as a scaffold.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Multi-functional extension ladder, including extension ladder and running-board, its characterized in that: the telescopic ladder comprises a ladder rod, the ladder rod consists of a sleeve and an inserting rod, the inserting rod is movably inserted into the sleeve, a limiting hole is formed in the bottom of the sleeve, a spring groove is formed in the bottom side of the inserting rod, a spring is arranged in the spring groove, a limiting plate inserted into the spring groove is arranged at the end of the spring, a limiting block is fixedly connected to the bottom of the limiting plate, and the limiting block is movably inserted into the limiting hole;

2. The multi-functional extension ladder of claim 1, characterized in that: the inside of the sleeve is spliced with a linear bearing, and the linear bearing is sleeved outside the inserted rod.

3. The multi-functional extension ladder of claim 1, characterized in that: the pedal plate comprises an aluminum alloy frame, a cross brace is welded on the inner side of the aluminum alloy frame, and a screen plate is welded on the top of the cross brace.

4. The multi-functional extension ladder of claim 1, characterized in that: the lower extreme of flexible ladder is installed the rubber block, the bottom of rubber block is equipped with anti-skidding line.

5. The multi-functional extension ladder of claim 1, characterized in that: the handle is installed to the limit portion of running-board, the outside of handle has cup jointed the rubber sleeve.

6. The multi-functional extension ladder of claim 1, characterized in that: the bottom welding of running-board has protruding piece, protruding piece is provided with two sets ofly.