CN219034593U

CN219034593U - Portable cat ladder

Info

Publication number: CN219034593U
Application number: CN202222508587.XU
Authority: CN
Inventors: 邵帅; 张晓文; 陈秀理
Original assignee: Individual
Current assignee: Liu Xixing
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-16
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to the technical field of ladders and discloses a portable ladder which comprises an upper frame and a lower frame, wherein the upper frame and the lower frame are connected through a hinge, the hinge is connected and arranged at the rear end between the upper frame and the lower frame, the upper frame and the lower frame are of hollow structures, a plurality of pedal rods are transversely welded and fixed on the inner sides of the upper frame and the lower frame, a fixing plate is rotatably arranged on a contact surface of the joint of the lower frame and the upper frame through a fixing plate, the fixing plate is fixed in a cavity of the lower frame in a welding mode, and the lower part of a roller is arranged in the cavity of the lower frame. According to the technical scheme, the upper frame and the lower frame are connected through the hinge, so that the cat ladder is in a foldable state, the rollers arranged on the surface of the lower frame can be leaked and supported on the ground to roll after being folded, the whole carrying and rotating are convenient, and the rollers can be collected in the cavities of the upper frame and the lower frame after being unfolded and used, so that the cat ladder has better carrying convenience than the traditional folding ladder.

Description

Portable cat ladder

Technical Field

The utility model relates to the technical field of ladders, in particular to a portable ladder.

Background

The building engineering is an engineering entity formed by building various house buildings and auxiliary facilities thereof and installing and moving matched lines, pipelines and equipment, and relates to the construction of various structures and the installation of equipment.

In order to realize convenient carrying of cat ladder, prior art makes it can be carried by folding through making the cat ladder set up to collapsible state, but folding back though can reduce the volume of cat ladder, but unable dead weight that reduces the cat ladder, and convenient to carry still remains to improve. Therefore, we propose a portable ladder stand.

Disclosure of Invention

The utility model aims to provide a portable crawling ladder, which is in a foldable state by connecting an upper frame and a lower frame through a hinge, and can enable rollers arranged on the surface of the lower frame to be leaked and supported on the ground to roll after being folded, so that the portable crawling ladder is convenient for carrying and rotating the whole body, and the rollers can be received in cavities of the upper frame and the lower frame after being unfolded and used, thereby having better portability than the traditional folding ladder and solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cat ladder convenient to carry, includes frame and lower frame, pass through hinge connection between frame and the lower frame, hinge connection installs the rear end between frame and lower frame, and frame and lower frame are hollow structure, and frame and the inboard all horizontal welded fastening of lower frame have a plurality of pedal levers, the fixed plate is installed through the fixed plate is rotatable to the contact surface of lower frame and frame junction, and the fixed plate passes through welded mode to be fixed in the cavity of lower frame, and the cavity of lower frame is arranged in to the below part of gyro wheel, and the side surface of frame and lower frame junction all transversely is fixed with the locking plate, and the locking plate bottom surface welded fastening of lower frame has the nut, runs through between the locking plate of top and below, and the bolt is in the child nut through the mode of spin-on.

As an alternative scheme of this application technical scheme, the top end of last frame and the bottom end of lower frame all are fixed with the rubber piece, and the rubber piece is fixed respectively at last frame and the terminal outer lane of lower frame through the mode of cover.

As an alternative scheme of this application technical scheme, the pedal lever outer lane at upper frame top and the pedal lever outer lane of below bottom all overlap and are fixed with the rubber sleeve, and the inner circle of rubber sleeve pastes tightly at the surface of pedal lever.

As an alternative of the technical scheme of the application, a through hole is formed in the middle surface of the locking plate, and the bolt penetrates through the locking plate through the through hole.

As an alternative of the technical solution of the application, the locking plate is fixed on the surfaces of the upper frame and the lower frame in a welding manner, and the locking plate is vertically arranged on the surfaces of the upper frame and the lower frame.

Compared with the prior art, the beneficial effects of the technical scheme are as follows:

1. according to the technical scheme, the crawling ladder is set to be in a foldable state through hinge connection between the upper frame and the lower frame, the rollers capable of enabling the surface of the lower frame to be mounted on the surface of the lower frame after folding are supported to roll on the ground in a leakage mode, the folding ladder is convenient to carry and rotate integrally, the rollers can be collected in the cavities of the upper frame and the lower frame after unfolding and use, and the folding ladder has better portability than a traditional folding ladder.

2. According to the technical scheme, the rubber blocks are fixed at the top end of the upper frame and the bottom end of the lower frame respectively, the rubber blocks are fixed at the tail end outer rings of the upper frame and the lower frame respectively in a sleeved mode, and the rubber blocks can provide an anti-slip effect for the upper frame and the lower frame when the lower frame is supported on the ground or the upper frame is abutted against the surface of a wall body.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the overall structure of a portable ladder stand of the present utility model;

fig. 2 is a detailed structural schematic diagram of a portable ladder stand at a position a;

fig. 3 is a schematic view showing a structure of a folded upper frame and a folded lower frame of the portable ladder stand.

In the figure: 1. an upper frame; 2. a lower frame; 3. a pedal lever; 4. a nut; 5. a bolt; 6. a locking plate; 7. a hinge; 8. a roller; 9. a rubber sleeve; 10. a fixing plate; 11. rubber blocks.

Detailed Description

Referring to fig. 1-3, the present utility model provides a technical solution: the portable crawling ladder comprises an upper frame 1 and a lower frame 2, wherein the upper frame 1 and the lower frame 2 are connected through a hinge 7, the hinge 7 is connected and installed at the rear end between the upper frame 1 and the lower frame 2, the upper frame 1 and the lower frame 2 are of hollow structures, and a plurality of pedal rods 3 are transversely welded and fixed on the inner sides of the upper frame 1 and the lower frame 2;

the contact surface of the joint of the lower frame 2 and the upper frame 1 is rotatably provided with a fixed plate 10 through the fixed plate 10, the fixed plate 10 is fixed in the cavity of the lower frame 2 in a welding mode, and the lower part of the roller 8 is arranged in the cavity of the lower frame 2;

the side surfaces of the joints of the upper frame 1 and the lower frame 2 are transversely fixed with locking plates 6, nuts 4 are welded and fixed on the bottom surfaces of the locking plates 6 of the lower frame 2, nuts 4 penetrate between the locking plates 6 above and below, and bolts 5 are screwed into the nuts 4 of the children in a screwing mode.

In this kind of technical scheme, through making between upper frame 1 and the lower frame 2 through hinge 7 connection, make the cat ladder set to folding state to can make lower frame 2 surface mounting's gyro wheel 8 by spilling support at ground roll after folding, the convenience is rotated holistic carrying, and the expansion is used back gyro wheel 8 can be received in the cavity of upper frame 1 and lower frame 2 again, and gyro wheel 8 can not influence the normal use of cat ladder.

In some technical schemes, rubber blocks 11 are fixed at the top end of the upper frame 1 and the bottom end of the lower frame 2, and the rubber blocks 11 are respectively fixed at the outer rings of the ends of the upper frame 1 and the lower frame 2 in a sleeved mode.

In this technical scheme, through making the top end of upper frame 1 and the bottom end of lower frame 2 all be fixed with rubber piece 11, rubber piece 11 is fixed respectively at the terminal outer lane of upper frame 1 and lower frame 2 through the mode of overlapping, when making lower frame 2 support on the ground or making upper frame 1 conflict at the wall surface, rubber piece 11 can provide anti-skidding effect for both.

In the technical proposal, a rubber sleeve 9 is sleeved and fixed on the outer ring of the pedal rod 3 at the top of the upper frame 1 and the outer ring of the pedal rod 3 at the bottom below, and the inner ring of the rubber sleeve 9 is tightly attached to the outer surface of the pedal rod 3.

In the technical scheme, through the arrangement of the rubber sleeve 9, when the upper frame 1 and the lower frame 2 are folded and inclined to enable the roller 8 to be placed on the ground for transferring, the roller can be held on the outer ring of the pedal rod 3 with the rubber sleeve 9 by hands, and a more comfortable holding effect is achieved.

In some technical solutions, a through hole is provided in the middle surface of the locking plate 6, and the bolt 5 penetrates through the locking plate 6 through the through hole.

In this technical solution, the purpose of the bolts 5 penetrating the locking plate 6 through the through openings is achieved by the through openings provided in the surface of the locking plate 6.

In some embodiments, the locking plate 6 is fixed on the surfaces of the upper frame 1 and the lower frame 2 by welding, and the locking plate 6 is vertically disposed on the surfaces of the upper frame 1 and the lower frame 2.

In this technical solution, the purpose of stably fixing the locking plate 6 to the side surfaces of the upper frame 1 and the lower frame 2 is achieved by means of welding.

When the upper frame is used, the bottom of the lower frame 2 is directly supported and abutted against the ground through the rubber block 11, the top of the upper frame 1 is supported on the surface of a wall through the rubber block 11, then the pedal rods 3 on the inner sides of the upper frame 1 and the lower frame 2 can be utilized to climb, when the upper frame is used and carried out, the bolts 5 are screwed out from the nuts 4 and pulled out from between the locking plates 6, the locking between the upper frame 1 and the lower frame 2 can be released, the upper frame 1 and the lower frame 2 are rotated around the hinges 7 and rotated to the state of fig. 3, the rollers 8 are leaked out, then the rollers 8 mounted on the inner sides of the lower frame 2 are supported on the ground, the hands hold the tail ends of the upper frame 1 or the lower frame 2 to work, the rollers 8 roll on the ground and drive the upper frame 1 and the lower frame 2 to move together to the designated positions, the upper frame 1 and the lower frame 2 are rotated around the hinges 7 again to be connected to the straight line state after the upper frame 1 and the lower frame 2 are retracted into the cavities inside the upper frame 1 and the lower frame 2, the bolts 5 are screwed into the locking plates 6 of the upper frame 1 and the lower frame 2 again, and the upper frame 2 are connected to the upper frame 2 through the nuts and the upper frame 2.

Claims

1. The utility model provides a cat ladder convenient to carry, includes frame (1) and lower frame (2), its characterized in that: the upper frame (1) is connected with the lower frame (2) through a hinge (7), the hinge (7) is connected and arranged at the rear end between the upper frame (1) and the lower frame (2), the upper frame (1) and the lower frame (2) are hollow structures, and a plurality of pedal rods (3) are transversely welded and fixed on the inner sides of the upper frame (1) and the lower frame (2);

the contact surface of the joint of the lower frame (2) and the upper frame (1) is rotatably provided with a fixed plate (10) through the fixed plate (10), the fixed plate (10) is fixed in the cavity of the lower frame (2) in a welding mode, and the lower part of the roller (8) is arranged in the cavity of the lower frame (2);

the side surfaces of the joints of the upper frame (1) and the lower frame (2) are transversely fixed with locking plates (6), nuts (4) are welded and fixed on the bottom surfaces of the locking plates (6) of the lower frame (2), the nuts (4) penetrate between the locking plates (6) above and below, and the bolts (5) are screwed into the child nuts (4) in a screwing mode.

2. The portable crawling ladder of claim 1, wherein: rubber blocks (11) are fixed at the top end of the upper frame (1) and the bottom end of the lower frame (2), and the rubber blocks (11) are respectively fixed at the outer rings of the ends of the upper frame (1) and the lower frame (2) in a sleeving manner.

3. The portable crawling ladder of claim 1, wherein: the outer ring of the pedal rod (3) at the top of the upper frame (1) and the outer ring of the pedal rod (3) at the bottom below are sleeved and fixed with rubber sleeves (9), and the inner rings of the rubber sleeves (9) are tightly attached to the outer surface of the pedal rod (3).

4. The portable crawling ladder of claim 1, wherein: the middle surface of the locking plate (6) is provided with a through hole, and the bolt (5) penetrates through the locking plate (6) through the through hole.

5. The portable crawling ladder of claim 1, wherein: the locking plate (6) is fixed on the surfaces of the upper frame (1) and the lower frame (2) in a welding mode, and the locking plate (6) is vertically arranged on the surfaces of the upper frame (1) and the lower frame (2).