Multifunctional folding ladder

By designing the U-shaped card slot at the bottom of the multi-function folding ladder, the problem of poor anti-slip performance at the bottom of the traditional M-shaped folding ladder is solved, and better anti-slip performance and stability are achieved.

CN222782592UActive Publication Date: 2025-04-22RUGAO HUAYANG ALUMINUM PROD
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Patent Information

Application Number
CN202421351231.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-22
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The bottom end anti-slip performance of the traditional M-type multifunction folding ladder is poor, resulting in a small contact area with the ground under the inclined state, easy to fall off, and poor stability.

Method used

A multi-function folding ladder is designed, with a U-shaped card slot specially opened at the bottom for installing anti-slip modules. The anti-slip module includes a clamping plate and an anti-slip block. The clamping plate is embedded in the U-shaped card slot. The anti-slip block has an anti-slip edge with an obtuse angle and angle, which increases the contact area and friction.

Benefits of technology

By installing anti-slip modules at the bottom of the ladder, the contact area is increased, the friction is improved, the anti-slip performance is significantly improved, and the stability is better.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a multifunctional folding ladder which comprises an M-shaped folding ladder body and is characterized in that the M-shaped folding ladder body comprises a frame A, a frame B, a frame C, a frame D, a first rotating shaft, a second rotating shaft, a third rotating shaft and an anti-skid module, firstly, the U-shaped clamping grooves are specially formed in the bottom end of the frame and used for installing the anti-skid modules, the limiting blocks are arranged on the clamping plates and embedded into the U-shaped clamping grooves in the bottom ends of the side rods, so that the anti-skid modules can be prevented from moving in the breadth direction of the ladder, and the stability is better; besides, the end parts of the clamping plates are nested with rotating anti-skid blocks, and anti-skid edges which can be completely attached to the ground when the M-shaped folding ladder is unfolded are arranged on the anti-skid blocks, so that the contact area is increased, the friction force is improved, and the anti-skid performance is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of folding ladders, in particular to a multifunctional folding ladder. Background Art

[0002] At present, there are some problems when using the M-type multifunctional folding ladder, the most important of which is the anti-slip performance. During use, ropes are often used to fasten two adjacent frame structures to ensure that the angle is fixed in the working state. In addition, a simple anti-slip rubber sleeve is nested at the bottom, which has a small contact area with the ground in the inclined state, is easy to fall off, and has poor stability. This method cannot solve the anti-slip problem at the contact point at the bottom of the multifunctional folding ladder. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a multifunctional folding ladder, which can solve the problem of poor anti-slip performance of the bottom end of a traditional M-shaped folding ladder.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a multifunctional folding ladder, including an M-shaped folding ladder body, and its innovation lies in: the M-shaped folding ladder body includes a frame A, a frame B, a frame C, a frame D, a first rotating shaft, a second rotating shaft, a third rotating shaft and an anti-slip module;

[0005] The top of the frame A is connected to the frame B via a first rotating shaft, the bottom of the frame B is connected to the frame C via a second rotating shaft, and the top of the frame C is connected to the frame D via a third rotating shaft; the frames A, B, C and D all include side bars and pedal bars; the side bars have a pair and are arranged parallel to each other, and the side bars are hollow rectangular cross-section structures; the pedal bars are vertically arranged between the side bars;

[0006] The bottom ends of the frame A and the frame D are both provided with U-shaped slots for accommodating the anti-slip module to be embedded;

[0007] The anti-slip module has a pair and includes a snap-in plate and an anti-slip block; the snap-in plate is a rectangular plate structure, and the snap-in plate is embedded in the U-shaped slot at the bottom of frame A and frame D; the two ends of the snap-in plate extend out of the outside of the side rod; the anti-slip block is nested on the end of the snap-in plate; the anti-slip block has a pair of anti-slip edges with obtuse angles, and the connection between the two anti-slip edges is located at the center line of the bottom end of the snap-in plate; the anti-slip block is provided with a connecting groove for accommodating the end of the snap-in plate to be embedded.

[0008] Furthermore, a limit block is provided on the outer contour of the clamping plate in the area located in the inner cavity of the side bar, and the limit block is tightly attached to the inner wall of the side bar to prevent the clamping plate from moving in the width direction of the M-type folding ladder body.

[0009] The advantages of the utility model are:

[0010] 1) In the utility model, a U-shaped slot is firstly specially provided at the bottom end of the frame for installing the anti-skid module. By arranging a limit block on the clamping plate and embedding it in the U-shaped slot at the bottom end of the side rod, the anti-skid module can be prevented from moving in the width direction of the ladder, thereby achieving better stability. In addition, a rotatable anti-sliding block is nested at the end of the clamping plate, and an anti-sliding edge is provided on the anti-sliding block so that the M-shaped folding ladder can completely fit the ground when in the unfolded state, thereby increasing the contact area, improving the friction force, and achieving better anti-slip performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Figure 1 The utility model is a three-dimensional structural diagram of a multifunctional folding ladder.

[0013] Figure 2 The utility model is a partial assembly diagram of an anti-skid module of a multifunctional folding ladder. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] like Figure 1 Figure 2 The multifunctional folding ladder shown includes an M-shaped folding ladder body, which includes a frame A1, a frame B2, a frame C3, a frame D4, a first rotating shaft 5, a second rotating shaft 6, a third rotating shaft 7 and an anti-slip module 8.

[0017] The top end of frame A1 is connected to frame B2 via a first rotating shaft 5, the bottom end of frame B2 is connected to frame C3 via a second rotating shaft 6, and the top end of frame C3 is connected to frame D4 via a third rotating shaft 7; frame A1, frame B2, frame C3, and frame D4 all include side rods and pedal rods; the side rods have a pair and are arranged parallel to each other, and the side rods are hollow rectangular cross-section structures; the pedal rods are vertically arranged between the side rods.

[0018] The bottom ends of the frame A1 and the frame D4 are both provided with U-shaped slots for accommodating the anti-skid module 8 to be embedded.

[0019] The anti-slip module 8 has a pair, and includes a snap-in plate 81 and an anti-slip block 82; the snap-in plate 81 is a rectangular plate structure, and the snap-in plate 81 is embedded in the U-shaped slot at the bottom of the frame A1 and the frame D4; the two ends of the snap-in plate 81 extend out of the outside of the side rod; the anti-slip block 82 is nested on the end of the snap-in plate 81; the anti-slip block 82 has a pair of anti-slip edges with obtuse angles, and the connection between the two anti-slip edges is located at the center line of the bottom end of the snap-in plate 81; the anti-slip block 82 is provided with a connecting groove for accommodating the end of the snap-in plate 81 to be embedded.

[0020] A limit block 83 is provided on the outer contour of the clamping plate 81 in the area of ​​the inner cavity of the side rod. The limit block 83 is tightly attached to the inner wall of the side rod to prevent the clamping plate 81 from moving in the width direction of the M-shaped folding ladder body.

[0021] The working principle of the utility model is as follows: first, a U-shaped slot is specially opened at the bottom end of the frame for installing the anti-skid module, and a limit block is arranged on the clamping plate, which is embedded in the U-shaped slot at the bottom end of the side rod to prevent the anti-skid module from moving in the width direction of the ladder, thereby improving stability; in addition, a rotatable anti-sliding block is nested at the end of the clamping plate, and an anti-sliding edge is arranged on the anti-sliding block so that the M-shaped folding ladder can completely fit the ground in the unfolded state, thereby increasing the contact area, improving the friction force, and improving the anti-slip performance.

[0022] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A multifunctional folding ladder, comprising an M-shaped folding ladder body, characterized in that: The M-shaped folding ladder body includes a frame A, a frame B, a frame C, a frame D, a first rotating shaft, a second rotating shaft, a third rotating shaft and an anti-slip module; The top of the frame A is connected to the frame B via a first rotating shaft, the bottom of the frame B is connected to the frame C via a second rotating shaft, and the top of the frame C is connected to the frame D via a third rotating shaft; the frames A, B, C and D all include side bars and pedal bars; the side bars have a pair and are arranged parallel to each other, and the side bars are hollow rectangular cross-section structures; the pedal bars are vertically arranged between the side bars; The bottom ends of the frame A and the frame D are both provided with U-shaped slots for accommodating the anti-slip module to be embedded; The anti-slip module has a pair and includes a snap-in plate and an anti-slip block; the snap-in plate is a rectangular plate structure, and the snap-in plate is embedded in the U-shaped slot at the bottom of frame A and frame D; the two ends of the snap-in plate extend out of the outside of the side rod; the anti-slip block is nested on the end of the snap-in plate; the anti-slip block has a pair of anti-slip edges with obtuse angles, and the connection between the two anti-slip edges is located at the center line of the bottom end of the snap-in plate; the anti-slip block is provided with a connecting groove for accommodating the end of the snap-in plate to be embedded.

2. A multifunctional folding ladder according to claim 1, characterized in that: A limiting block is provided on the outer contour of the clamping plate in the area located in the inner cavity of the side rod, and the limiting block is tightly attached to the inner wall of the side rod to prevent the clamping plate from moving in the width direction of the M-shaped folding ladder body.