CN111255370A

CN111255370A - Multifunctional telescopic ladder

Info

Publication number: CN111255370A
Application number: CN202010113222.XA
Authority: CN
Inventors: 胡林有
Original assignee: Yongkang Dongxu Elevator Co Ltd
Current assignee: Yongkang Dongxu Elevator Co Ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-06-09

Abstract

The invention discloses a multifunctional telescopic ladder, wherein box bodies are fixed on two sides of the top of a pedal, a pull rod is arranged below the pedal, movable rods inserted into the box bodies are respectively fixed on two sides of the pull rod, the top of each movable rod is fixed on the top of an inner cavity of the box body through a tension spring, an oblique tongue is connected to one side of the box body in a sliding mode, a connecting rod is hinged to one side, located in the inner cavity of the box body, of the oblique tongue, one side, far away from the oblique tongue, of the connecting rod is hinged to one side of each movable rod, and ratchet racks matched with the oblique tongues are fixed on the. This ladder makes the ladder extend through aerifing through directly taking the ladder by leaning on the building, can judge directly perceivedly whether the ladder reaches the high requirement of target to can need not to judge the target height according to the eye measurement and adjust the ladder length, avoid falling the long loaded down with trivial details operation of ladder adjustment because of the needs that the eye measurement inaccuracy leads to many times.

Description

Multifunctional telescopic ladder

Technical Field

The invention relates to the technical field of ladders, in particular to a multifunctional telescopic ladder.

Background

The ladder is the instrument that is used for the climbing among the people's daily life, is used for people's eminence on the one hand to get, put, usage such as construction, and on the other hand provides the space for depositing of collapsible ladder, plays the effect of saving space, conveniently carrying. The main use occasions are home use and worker use.

The existing household telescopic ladder needs to be adjusted in advance to complete the height building and then used, the height of the ladder is adjusted by a person through visual inspection, the length of the ladder is adjusted after the height of the ladder is adjusted, and the length of the ladder is adjusted easily due to large visual inspection errors, so that the length of the ladder is adjusted many times, and time and labor are wasted. Therefore, a multifunctional telescopic ladder is provided, and secondly, the function of the ladder is single, the ladder is only used for storage most of time, and the utilization rate is low.

Disclosure of Invention

The invention aims to provide a multifunctional telescopic ladder to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a multifunctional telescopic ladder comprises a telescopic column, wherein the telescopic column comprises a first cylinder barrel, a second cylinder barrel, a third cylinder barrel and a cylinder body, a first piston is arranged in an inner cavity of the first cylinder barrel, the top of the first piston is fixed to the bottom of the second cylinder barrel, a second piston is arranged in an inner cavity of the second cylinder barrel, the top of the second piston is fixed to the bottom of the third cylinder barrel, a third piston is arranged in an inner cavity of the third cylinder barrel, the third piston is fixed to the bottom of the cylinder body, an air inlet pipe and an exhaust pipe are respectively communicated with two sides of the bottom of the first cylinder barrel, pedals are respectively fixed to the upper portions of the first cylinder barrel, the second cylinder barrel, the third cylinder barrel and the cylinder body, box bodies are respectively fixed to two sides of the tops of the pedals, pull rods are respectively fixed to two sides of the pull rods, movable rods inserted into the box bodies are respectively fixed to two sides of the pull rods, and the, one side sliding connection of box body has the latch tongue, the one side that the latch tongue is located the box body inner chamber articulates there is the connecting rod, one side that the latch tongue was kept away from to the connecting rod articulates in one side of movable rod, the outside of second cylinder, third cylinder and cylinder all is fixed with the ratchet with latch tongue assorted, still includes infrared ray measuring apparatu, infrared ray measuring apparatu detachable connects on the outer wall of flexible post, infrared ray measuring apparatu passes through the mode of magnetism to be connected with the outer wall of flexible post can dismantle.

Preferably, the oblique tongue is located and is fixed with the arch at the inner chamber top of box body, the inner chamber top of box body is fixed with the shell fragment, the lower part one side laminating of shell fragment is in bellied one side.

Preferably, an air inlet one-way valve is arranged at the pipe orifice of the air inlet pipe.

Preferably, a valve is arranged at the pipe orifice of the exhaust pipe.

Preferably, the bottoms of the first piston and the second piston are both provided with through holes.

Preferably, a support beam is fixed on the outer sides of the first cylinder barrel and the cylinder body.

Compared with the prior art, the invention has the beneficial effects that: this ladder makes the ladder extend through aerifing through directly taking the ladder by leaning on the building, can judge directly perceivedly whether the ladder reaches the target altitude requirement to can need not to judge the target altitude according to the eye measurement and adjust the ladder length, avoid putting down the long loaded down with trivial details operation of ladder adjustment because of the needs that the eye measurement inaccuracy leads to many times, through setting up infrared measuring instrument, can use when using the ladder, need not to carry in addition when measuring.

Drawings

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

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

fig. 3 is a schematic diagram of the box structure of the present invention.

In the figure: 1. a telescopic column; 2. a first cylinder; 3. a second cylinder; 4. a third cylinder; 5. a cylinder; 6. a first piston; 7. a second piston; 8. a third piston; 9. a through hole; 10. an air inlet pipe; 11. an exhaust pipe; 12. a pedal; 13. a movable rod; 14. a pull rod; 15. a box body; 16. a latch bolt; 17. a connecting rod; 18. a tension spring; 19. a spring plate; 20. a protrusion; 21. a ratchet bar; 22. an air inlet check valve; 23. and supporting the beam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the multifunctional telescopic ladder comprises a telescopic column 1, wherein the telescopic column 1 comprises a first cylinder barrel 2, a second cylinder barrel 3, a third cylinder barrel 4 and a column body 5, a first piston 6 is arranged in an inner cavity of the first cylinder barrel 2, the top of the first piston 6 is fixed at the bottom of the second cylinder barrel 3, a second piston 7 is arranged in an inner cavity of the second cylinder barrel 3, the top of the second piston 7 is fixed at the bottom of the third cylinder barrel 4, a third piston 8 is arranged in an inner cavity of the third cylinder barrel 4, the third piston 8 is fixed at the bottom of the column body 5, two sides of the bottom of the first cylinder barrel 2 are respectively communicated with an air inlet pipe 10 and an air outlet pipe 11, pedals 12 are respectively fixed at the upper parts of the first cylinder barrel 2, the second cylinder barrel 3, the third cylinder barrel 4 and the column body 5, box bodies 15 are respectively fixed at two sides of the top of the pedals 12, a pull rod 14 is arranged below the pedals 12, two sides of the pull rod 14 are respectively fixed with a movable rod 13 inserted into the box bodies, the top of movable rod 13 is fixed in the inner chamber top of box body 15 through extension spring 18, one side sliding connection of box body 15 has latch 16, latch 16 is located that one side of box body 15 inner chamber articulates there is connecting rod 17, one side that latch 16 was kept away from to connecting rod 17 articulates in one side of movable rod 13, the outside of second cylinder section of thick bamboo 3, third cylinder section of thick bamboo 4 and cylinder 5 all is fixed with and still includes infrared ray measuring apparatu with latch 16 assorted ratchet bar 21, infrared ray measuring apparatu detachable connects on the outer wall of flexible post, the infrared ray measuring apparatu can be dismantled through the mode of magnetism with the outer wall of flexible post and be connected.

Specifically, a protrusion 20 is fixed on the oblique tongue 16 at the top of the inner cavity of the box body 15, an elastic sheet 19 is fixed on the top of the inner cavity of the box body 15, and one side of the lower part of the elastic sheet 19 is attached to one side of the protrusion 20; the latch bolt 16 is arranged in a square rod body, and the elastic sheet 19 is used for assisting in pushing the latch bolt 16 to move. An air inlet one-way valve 22 is arranged at the pipe orifice of the air inlet pipe 10; the intake check valve 22 can prevent gas leakage. A valve is arranged at the pipe orifice of the exhaust pipe 11; for opening and closing the exhaust pipe 11. The bottoms of the first piston 6 and the second piston 7 are both provided with through holes 9; so that the first cylinder 2, the second cylinder 3 and the third cylinder 4 form spaces communicating with each other. Supporting beams 23 are fixed on the outer sides of the first cylinder barrel 2 and the cylinder 5; the support beam 23 is used to fix and support the first cylinder tube 2 and the cylinder 5.

When the inflatable telescopic column is used, an electric or manual inflator pump is used for inflating gas into the telescopic column 1 through the gas inlet pipe 10; after entering the telescopic column 1 through the air inlet pipe 10, the air respectively enters the second cylinder 3 and the third cylinder 4 through the through hole 9, so that the second cylinder 3, the third cylinder 4 and the column 5 extend outwards from the inner cavity of the first cylinder 2; the number of the second cylinder 3 or the third cylinder 4 may be provided in plural to facilitate the setting to ladders of different heights. When the length of the telescopic column 1 is adjusted by continuously inflating air, the latch tongue 16 is pushed and inserted into the corresponding ratchet rack 21 tooth groove under the combined action of the elastic sheet 19 and the tension spring 18, so that the second cylinder 3, the third cylinder 4 and the column 5 are prevented from moving backwards. This ladder makes the ladder extend through aerifing through directly taking the ladder by leaning on the building, can judge directly perceivedly whether the ladder reaches the high requirement of target to can need not to judge the target height according to the eye measurement and adjust the ladder length, avoid falling the long loaded down with trivial details operation of ladder adjustment because of the needs that the eye measurement inaccuracy leads to many times. When the ladder is stored, the valve of the exhaust pipe 11 is opened, the pull rod 14 is sequentially pulled, the pull rod 14 pulls the movable rod 13 downward, the movable rod 13 pulls the latch tongue 16 through the connecting rod 17 to be separated from the tooth groove of the ratchet bar 21, the second cylinder 3, the third cylinder 4 and the column body 5 can freely move, and the gas in the telescopic column 1 is discharged by pressing, so that the ladder can be stored.

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 flexible ladder, including flexible post, its characterized in that: the telescopic column comprises a first cylinder barrel, a second cylinder barrel, a third cylinder barrel and a cylinder body, wherein a first piston is arranged in an inner cavity of the first cylinder barrel, the top of the first piston is fixed at the bottom of the second cylinder barrel, a second piston is arranged in an inner cavity of the second cylinder barrel, the top of the second piston is fixed at the bottom of the third cylinder barrel, a third piston is arranged in an inner cavity of the third cylinder barrel, the third piston is fixed at the bottom of the cylinder body, an air inlet pipe and an exhaust pipe are respectively communicated with two sides of the bottom of the first cylinder barrel, pedals are respectively fixed at the upper parts of the first cylinder barrel, the second cylinder barrel, the third cylinder barrel and the cylinder body, box bodies are respectively fixed at two sides of the top of the pedals, pull rods are arranged below the pedals, movable rods inserted into the box bodies are respectively fixed at two sides of the pull rods, the top of the movable rods is fixed at the top of the inner cavity of the, one side of the latch bolt, which is positioned in the inner cavity of the box body, is hinged with a connecting rod, one side of the connecting rod, which is far away from the latch bolt, is hinged with one side of the movable rod, and ratchet racks matched with the latch bolt are fixed on the outer sides of the second cylinder barrel, the third cylinder barrel and the cylinder body;

still include infrared measuring instrument, infrared measuring instrument detachable connects on the outer wall of flexible post.

2. The multifunctional telescopic ladder of claim 1, wherein: the infrared measuring instrument is detachably connected with the outer wall of the telescopic column in a magnetic attraction mode.

3. The multifunctional telescopic ladder of claim 1, wherein: the oblique tongue is fixed with a bulge at the top of the inner cavity of the box body, an elastic sheet is fixed at the top of the inner cavity of the box body, and one side of the lower part of the elastic sheet is attached to one side of the bulge.

4. The multifunctional telescopic ladder of claim 1, wherein: and an air inlet one-way valve is arranged at the pipe orifice of the air inlet pipe.

5. The multifunctional telescopic ladder of claim 1, wherein: and a valve is arranged at the pipe orifice of the exhaust pipe.

6. The multifunctional telescopic ladder of claim 1, wherein: the bottom of first piston and second piston has all seted up the through-hole.

7. The multifunctional telescopic ladder of claim 1, wherein: and supporting beams are fixed on the outer sides of the first cylinder barrel and the cylinder body.