CN212337141U

CN212337141U - Multifunctional household extension ladder

Info

Publication number: CN212337141U
Application number: CN202020418851.9U
Authority: CN
Inventors: 胡林有
Original assignee: Yongkang Dongxu Elevator Co ltd
Current assignee: Yongkang Dongxu Elevator Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-01-12
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a multi-functional domestic extension ladder, including the extension ladder body, the extension ladder body includes telescopic joint and stull, the fixed axle has all been welded to the telescopic joint limit portion of extension ladder body, the external member has been cup jointed in the outside activity of fixed axle, the welding of the bottom of external member has the connecting rod, the lower extreme welding of connecting rod has the cylinder body, the universal wheel is installed to the bottom of cylinder body. The utility model discloses mainly by the extension ladder body, the cylinder body, parts such as universal wheel constitute, in the time of practical application, the pulling gag lever post breaks away from spacing hole, then rotate the cylinder body, expand the universal wheel, loosen the gag lever post again, the gag lever post is located the bottom of telescopic joint this moment, can fix the angle of cylinder body, thereby fix the position of universal wheel, use the stull as putting the thing board, make the whole transfer car (buggy) that forms a hand push, can be used for transporting article, the utilization ratio of extension ladder has been improved, it is more convenient to use.

Description

Multifunctional household extension ladder

Technical Field

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

Background

The extension ladder is a ladder which can be extended and shortened like a fishing rod and is divided into an engineering extension ladder and a bamboo joint extension ladder. It is very convenient to carry and store, and can be placed in a closet, a study room, under a bed or in a trunk of an automobile. Because of convenient use, the utility model is popular with people, but the function is single.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional domestic extension ladder to propose the comparatively single problem of extension ladder function among the prior art in solving above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional household extension ladder comprises an extension ladder body, wherein the extension ladder body comprises an extension joint and a cross brace, a fixed shaft is welded at the edge of the extension joint of the extension ladder body, a sleeve is movably sleeved outside the fixed shaft, a connecting rod is welded at the bottom of the sleeve, a cylinder body is welded at the lower end of the connecting rod, and universal wheels are mounted at the bottom of the cylinder body;

the inside activity of cylinder body is pegged graft and is had the gag lever post, the outside of gag lever post is equipped with the stopper, one side of stopper is equipped with the spring, the spring cup joints in the outside of gag lever post, the one end activity of gag lever post is pegged graft in the inside in spacing hole, limit hole sets up the limit portion in the telescopic joint, and the bottom of telescopic joint set up with gag lever post assorted recess.

Preferably, the other end of the limiting rod is fixedly connected with a pull ring.

Preferably, a bearing is sleeved outside the fixed shaft, and the sleeve is sleeved on an outer ring of the bearing.

Preferably, the lower extreme both sides of telescopic joint all weld the bracing piece, the tip of bracing piece is equipped with the block rubber.

Preferably, the top of the telescopic joint is provided with a jack, and an inserted rod is movably inserted into the jack.

Preferably, a rubber pad is bonded to the outer portion of the cross brace, and anti-skid grains are arranged on the surface of the rubber pad.

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

the utility model discloses mainly by the extension ladder body, the cylinder body, parts such as universal wheel constitute, in the time of practical application, the pulling gag lever post breaks away from spacing hole, then rotate the cylinder body, expand the universal wheel, loosen the gag lever post again, the gag lever post is located the bottom of telescopic joint this moment, can fix the angle of cylinder body, thereby fix the position of universal wheel, use the stull as putting the thing board, make the whole transfer car (buggy) that forms a hand push, can be used for transporting article, the utilization ratio of extension ladder has been improved, it is more convenient to use.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

fig. 4 is a schematic view of the sectional structure of the cylinder body of the present invention.

In the figure: 1. a telescopic ladder body; 2. an expansion joint; 3. a cross brace; 4. a fixed shaft; 5. a kit; 6. a cylinder body; 7. a universal wheel; 8. a limiting rod; 9. a limiting block; 10. a spring; 11. a limiting hole; 12. a connecting rod; 13. a groove; 14. a bearing; 15. a support bar; 16. a rubber block; 17. a jack; 18. inserting a rod; 19. a rubber pad; 20. and (4) a pull ring.

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: a multifunctional household extension ladder comprises an extension ladder body 1, the structure and the principle of the extension ladder body 1 are disclosed in a large number, not described in detail herein, the extension ladder body 1 comprises an extension joint 2 and a cross brace 3, a rubber pad 19 is bonded outside the cross brace 3, the surface of the rubber pad 19 is provided with anti-skid grains, when climbing the ladder, the friction force between the feet and the cross braces 3 is improved, the fixed shafts 4 are welded on the edges of the telescopic joints 2 of the telescopic ladder body 1, the bearing 14 is sleeved outside the fixed shaft 4, the inner ring of the bearing 14 is sleeved outside the fixed shaft 4 in an interference manner, the sleeve 5 is sleeved on the outer ring of the bearing 14, which is beneficial to reducing the friction between the sleeve 5 and the fixed shaft 4, the bottom of the external member 5 is welded with a connecting rod 12, the lower end of the connecting rod 12 is welded with a cylinder body 6, and the bottom of the cylinder body 6 is provided with a universal wheel 7;

the inside activity of cylinder body 6 is pegged graft and is had gag lever post 8, the outside of gag lever post 8 is equipped with stopper 9, one side of stopper 9 is equipped with spring 10, spring 10 cup joints in the outside of gag lever post 8, the one end activity of gag lever post 8 is pegged graft in the inside of spacing hole 11, spacing hole 11 is seted up in the limit portion of telescopic joint 2, and telescopic joint 2's bottom seted up with gag lever post 8 assorted recess 13, be favorable to restraining the position of gag lever post 8 in telescopic joint 2 bottom the other end fixedly connected with pull ring 20 of gag lever post 8 is convenient for spur gag lever post 8 and insert and break away from spacing hole 11.

The utility model discloses a ladder, including telescopic joint 2, bracing piece 15, the telescopic joint 2 of telescopic joint 15, bracing piece 15, the telescopic joint 2 of telescopic joint 2's lower extreme both sides all weld and have the bracing piece 15, and this bracing piece 15 is located the telescopic joint 2 of lower extreme, and when using, can support subaerial, improves the stability of ladder, the tip of bracing piece 15 is equipped with rubber block 16, is favorable to improving the frictional force on bracing piece 15 and ground. The top of the telescopic joint 2 is provided with an insertion hole 17, an insertion rod 18 is movably inserted in the insertion hole 17, and when the telescopic joint is used as a trolley, the insertion rod 18 can be inserted in the insertion hole 17 to block objects.

The working principle is as follows: in the time of practical application, pulling gag lever post 8 breaks away from spacing hole 11, then rotate cylinder body 6, expand universal wheel 7, loosen gag lever post 8 again, gag lever post 8 is arranged in the recess 13 of telescopic joint 2 bottom this moment, can fix the angle of cylinder body 6, thereby fix the position of universal wheel 7, use the stull 3 as putting the thing board, make the whole transfer car (buggy) that forms a hand push, can be used for transporting article, the utilization ratio of extension ladder has been improved, it is more convenient to use, when hiding universal wheel 7, rotate cylinder body 6, make gag lever post 8 insert in spacing hole 11, fix the position of universal wheel 7.

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. The utility model provides a multi-functional domestic extension ladder, includes the extension ladder body, the extension ladder body includes telescopic joint and stull, its characterized in that: the telescopic ladder comprises a telescopic ladder body and is characterized in that fixed shafts are welded on the edge portions of telescopic joints of the telescopic ladder body, a sleeve is movably sleeved outside the fixed shafts, a connecting rod is welded at the bottom of the sleeve, a cylinder body is welded at the lower end of the connecting rod, and universal wheels are mounted at the bottom of the cylinder body;

2. A multi-functional home extension ladder as claimed in claim 1, wherein: the other end of the limiting rod is fixedly connected with a pull ring.

3. A multi-functional home extension ladder as claimed in claim 1, wherein: the bearing is sleeved outside the fixed shaft, and the sleeve is sleeved on the outer ring of the bearing.

4. A multi-functional home extension ladder as claimed in claim 1, wherein: the telescopic joint is characterized in that supporting rods are welded on two sides of the lower end of the telescopic joint, and rubber blocks are arranged at the end parts of the supporting rods.

5. A multi-functional home extension ladder as claimed in claim 1, wherein: the top of the telescopic joint is provided with a jack, and an inserted rod is movably inserted in the jack.

6. A multi-functional home extension ladder as claimed in claim 1, wherein: the rubber pad is bonded to the outer portion of the cross brace, and anti-skid grains are arranged on the surface of the rubber pad.