CN212535524U

CN212535524U - Folding herringbone aluminum ladder

Info

Publication number: CN212535524U
Application number: CN202020382550.5U
Authority: CN
Inventors: 周绣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-02-12
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a folding herringbone aluminum ladder, wherein the top ends of aluminum foot tubes of a first ladder frame and a second ladder frame are hinged, the aluminum foot tubes are arranged on two sides and are formed with a pedal mounting groove by adopting a U-shaped profile structure, the end part of the aluminum pedal tube is inserted into the pedal mounting groove and is welded and connected with the groove side wall of the pedal mounting groove, and a reinforcing support rod is welded and connected between the outer wall of the aluminum pedal tube and the groove side wall of the pedal mounting groove; the both sides cell wall surface of footboard mounting groove is gone up along the aluminium foot pipe trend and is equipped with the recess, anti-skidding callus on the sole suit corresponds the recess on aluminium foot pipe bottom and anti-skidding callus on the sole inner wall and is equipped with the positioning connection piece, positioning connection piece location is inserted in the recess, the callus on the sole wall riveting that anti-skidding callus on the sole passed anti-skidding callus on the sole through the rivet in the outer pipe wall of aluminium foot pipe, this outer pipe wall is the one end outer pipe wall relative with the notch of the footboard mounting groove of aluminium foot pipe, the aluminium foot pipe middle part of first ladder frame and second ladder frame is through folding hinged joint, structural strength is high, the steadiness is good, antiskid nature is good when tram.

Description

Folding herringbone aluminum ladder

Technical Field

The utility model belongs to the technical field of the ladder, concretely relates to herringbone aluminium ladder.

Background

The herringbone aluminum ladder generally mainly comprises two interconnected ladder frames, and often exist not enoughly in its structural strength of the herringbone aluminum ladder that uses often on the existing market and stability, can have not hard up problem, the footboard of ladder frame can't accomplish to ensure antiskid in structural design simultaneously, and the structural design is managed in square pipe of the usually simple adoption of ladder frame foot, structural strength and stability are lacked to some extent, have certain inconvenience and potential safety hazard in the use, await improvement.

Disclosure of Invention

Not enough to prior art, the utility model aims at providing a structural strength is high, the steadiness is good, when trampling antiskid nature is good, convenient to use's folding herringbone aluminium ladder.

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

a folding herringbone aluminum ladder comprises a first ladder frame and a second ladder frame, wherein the first ladder frame and the second ladder frame are identical in structure and are composed of aluminum foot tubes and aluminum pedal tubes, the top ends of the aluminum foot tubes of the first ladder frame and the second ladder frame are hinged, the aluminum foot tubes are arranged on two sides and are formed with pedal mounting grooves by adopting U-shaped profile structures, the aluminum pedal tubes stretch between the aluminum foot tubes on the two sides, the end parts of the aluminum pedal tubes are inserted into the pedal mounting grooves and are welded and connected to the groove side walls of the pedal mounting grooves, reinforcing support rods are welded and connected between the outer walls of the aluminum pedal tubes and the groove side walls of the pedal mounting grooves, the aluminum pedal tubes are aluminum square tubes, and anti-skid convex lines are arranged on the outer walls of the aluminum square tubes; the trend of following the aluminium foot pipe on the both sides cell wall surface of the footboard mounting groove of aluminium foot pipe is provided with the recess, be provided with anti-skidding burr on the outer pipe wall of the one end that the notch of aluminium foot pipe and footboard mounting groove is relative, anti-skidding callus on the sole is installed to the bottom of aluminium foot pipe, this anti-skidding callus on the sole preferably adopts stereoplasm plastic pad, anti-skidding callus on the sole suit corresponds the recess on the inner wall of the bottom of aluminium foot pipe and anti-skidding callus on the sole and is provided with the location connecting block, the location connecting block location is inserted in the recess, and anti-skidding callus on the sole wall riveting of anti-skidding callus on the sole that the rivet passed anti-skidding callus on the sole is on the outer pipe wall of aluminium foot pipe, this outer pipe wall is the outer pipe wall of the one end relative with the.

Preferably, the folding hinge comprises a first hinge rod, a second hinge rod and L-shaped hinge parts, one end of the first hinge rod is hinged to the aluminum leg tube of the first ladder frame, one end of the second hinge rod is hinged to the aluminum leg tube of the second ladder frame, the other ends of the first hinge rod and the second hinge rod are respectively hinged to an L-shaped hinge part, the horizontal walls of the two L-shaped hinge parts are respectively hinged to the first hinge rod and the second hinge rod, and the vertical walls of the two L-shaped hinge parts are hinged to each other.

Preferably, the outer walls of the top ends of the aluminum foot tubes of the first ladder frame and the second ladder frame are respectively fixedly provided with a hinged plate through rivets, and the two hinged plates are hinged.

The utility model discloses following beneficial effect has:

the utility model discloses folding herringbone aluminum ladder, overall structure intensity is high, the steadiness is good, have better non-slip properties when trampling, and folding when packing up move aluminum leg pipe and the anti-skidding burr that sets up on the outer pipe wall of the one end that the notch of footboard mounting groove is relative also can play certain anti-skidding effect, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the folding herringbone aluminum ladder of the present invention.

In the figure: 1. a first ladder frame; 2. a second ladder frame; 3. an aluminum leg tube; 4. an aluminum pedal tube; 5. a pedal mounting groove; 6. reinforcing the supporting rod; 7. a groove; 8. anti-skid wales; 9. anti-skid foot pads; 10. positioning a connecting block; 11. Riveting; 12. a folding hinge; 13. a hinge plate; 121. a first hinge lever; 122. a second hinge lever; 123. An L-shaped hinge; 123a, a horizontal wall; 123b, vertical walls.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea claimed in the invention.

As shown in figure 1, the utility model relates to a folding herringbone aluminum ladder, which comprises a first ladder frame 1 and a second ladder frame 2, wherein the first ladder frame 1 and the second ladder frame 2 have the same structure and are both composed of an aluminum leg tube 3 and an aluminum pedal tube 4, the top ends of the aluminum leg tubes 3 of the first ladder frame 1 and the second ladder frame 2 are hinged, specifically, a hinged plate 13 is respectively arranged and fixed on the outer wall of the top end of the aluminum leg tube 3 of the first ladder frame 1 and the second ladder frame 2 through a rivet 11, the two hinged plates 13 are hinged, the aluminum leg tube 3 is arranged at two sides and adopts a U-shaped profile structure to form a pedal mounting groove 5, the aluminum pedal tube 4 is arranged between the aluminum leg tubes 3 at two sides in a crossing way, the end part of the aluminum pedal tube 4 is inserted into the pedal mounting groove 5 and is welded and connected with the groove side wall of the pedal mounting groove 5, a reinforcing support rod 6 is welded and connected between the outer wall of the aluminum pedal tube 4 and the groove side, the aluminum pedal tube 4 is firmly and stably installed and fixed and cannot be loosened, the aluminum pedal tube 4 is an aluminum square tube, and the outer wall of the aluminum pedal tube is provided with anti-skid convex patterns 8 which play a role of skid resistance when being trampled; grooves 7 are arranged on the outer surfaces of the two side groove walls of the pedal mounting groove 5 of the aluminum foot tube 3 along the trend of the aluminum foot tube 3, anti-skid convex patterns 8 are arranged on the outer pipe wall at one end of the aluminum foot tube 3 opposite to the notch of the pedal mounting groove 5, an anti-skid foot pad 9 is arranged at the bottom end of the aluminum foot tube 3, a hard plastic pad is preferably adopted as the anti-skid foot pad 9, the anti-skid foot pad 9 is sleeved at the bottom end of the aluminum foot tube 3, a positioning connecting block 10 is arranged on the inner wall of the anti-skid foot pad 9 corresponding to the groove 7, the positioning connecting block 10 is inserted in the groove 7 in a positioning way, the anti-skid foot pad 9 penetrates through the foot pad wall of the anti-skid foot pad 9 through rivets 11 and is riveted on the outer pipe wall of the aluminum foot tube 3 to reinforce and fix the anti-skid foot pad 9 at the bottom end of the aluminum foot tube 3, the outer pipe wall, the middle parts of the aluminum leg tubes 3 of the first ladder frame 1 and the second ladder frame 2 are connected through a folding hinge 12, the folding hinge 12 specifically comprises a first hinge rod 121, a second hinge rod 122 and L-shaped hinges 123, one end of the first hinge rod 121 is hinged to the aluminum leg tube 3 of the first ladder frame 1, one end of the second hinge rod 122 is hinged to the aluminum leg tube 3 of the second ladder frame 2, the other ends of the first hinge rod 121 and the second hinge rod 122 are respectively hinged to an L-shaped hinge 123, the horizontal walls 123a of the two L-shaped hinges 123 are respectively hinged to the first hinge rod 121 and the second hinge rod 122, and the vertical walls 123b of the two L-shaped hinges 123 are hinged to each other, the folding hinge 12 is foldable and provides a pulling force which is helpful for reinforcing the connecting structure strength of the first ladder frame 1 and the second ladder frame 2 when the first ladder frame 1 and the second ladder frame 2 are unfolded; the folding herringbone aluminum ladder has high overall structural strength and good stability, has better anti-skid performance when being trampled, and can also play a certain anti-skid role and be convenient to use due to the anti-skid convex lines 8 arranged on the outer pipe wall of one end of the aluminum foot pipe 3 opposite to the notch of the pedal mounting groove 5 when being folded, folded and moved.

Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.

Claims

1. The utility model provides a folding herringbone aluminum ladder, includes first ladder frame (1) and second ladder frame (2), and this first ladder frame (1) is the same with this second ladder frame (2) structure and by aluminium foot pipe (3) and aluminium pedal pipe (4) constitute, first ladder frame (1) with the articulated connection in aluminium foot pipe (3) top of second ladder frame (2), its characterized in that: the aluminum pedal tube (3) is arranged on two sides and is formed into a pedal mounting groove (5) by adopting a U-shaped profile structure, the aluminum pedal tube (4) is arranged between the aluminum pedal tubes (3) on the two sides in a crossing manner, the end part of the aluminum pedal tube (4) is inserted into the pedal mounting groove (5) and is welded and connected with the groove side wall of the pedal mounting groove (5), a reinforcing support rod (6) is welded and connected between the outer wall of the aluminum pedal tube (4) and the groove side wall of the pedal mounting groove (5), the aluminum pedal tube (4) is an aluminum square tube, and the outer wall of the aluminum square tube is provided with an anti-skid convex pattern (8);

grooves (7) are formed in the outer surfaces of the groove walls of the two sides of the pedal mounting groove (5) of the aluminum foot tube (3) along the trend of the aluminum foot tube (3), anti-skidding convex patterns (8) are arranged on the outer pipe wall of one end, opposite to the notch of the pedal mounting groove (5), of the aluminum foot tube (3), an anti-skidding foot pad (9) is mounted at the bottom end of the aluminum foot tube (3), the anti-skidding foot pad (9) is sleeved at the bottom end of the aluminum foot tube (3) and is provided with a positioning connecting block (10) on the inner wall of the anti-skidding foot pad (9) corresponding to the grooves (7), the positioning connecting block (10) is positioned and inserted in the grooves (7), the anti-skidding foot pad (9) penetrates through a foot pad wall of the anti-skidding foot pad (9) through a rivet (11) and is riveted to the outer pipe wall of the aluminum foot tube (3), and the outer pipe wall is the outer pipe wall of one end, opposite to the notch of the pedal mounting, the middle parts of the aluminum foot tubes (3) of the first ladder frame (1) and the second ladder frame (2) are connected through a folding hinge (12).

2. The folding herringbone aluminum ladder of claim 1, wherein: the folding hinge (12) comprises a first hinge rod (121), a second hinge rod (122) and L-shaped hinge pieces (123), one end of the first hinge rod (121) is hinged to an aluminum leg tube (3) of the first ladder frame (1), one end of the second hinge rod (122) is hinged to the aluminum leg tube (3) of the second ladder frame (2), the other ends of the first hinge rod (121) and the second hinge rod (122) are respectively hinged to one L-shaped hinge piece (123), horizontal walls (123a) of the two L-shaped hinge pieces (123) are respectively hinged to the first hinge rod (121) and the second hinge rod (122), and vertical walls (123b) of the two L-shaped hinge pieces (123) are hinged to each other.

3. The folding herringbone aluminum ladder of claim 1, wherein: and the outer walls of the top ends of the aluminum leg tubes (3) of the first ladder frame (1) and the second ladder frame (2) are respectively fixedly provided with a hinged plate (13) through rivets (11), and the two hinged plates (13) are hinged.

4. The folding herringbone aluminum ladder of claim 1, wherein: the anti-skid foot pad (9) is a hard plastic pad.